7234 lines
264 KiB
C
Executable File
7234 lines
264 KiB
C
Executable File
/*
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* MOV, 3GP, MP4 muxer
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* Copyright (c) 2003 Thomas Raivio
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* Copyright (c) 2004 Gildas Bazin <gbazin at videolan dot org>
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* Copyright (c) 2009 Baptiste Coudurier <baptiste dot coudurier at gmail dot com>
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <stdint.h>
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#include <inttypes.h>
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#include "movenc.h"
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#include "avformat.h"
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#include "avio_internal.h"
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#include "riff.h"
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#include "avio.h"
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#include "isom.h"
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#include "av1.h"
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#include "avc.h"
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#include "libavcodec/ac3_parser_internal.h"
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#include "libavcodec/dnxhddata.h"
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#include "libavcodec/flac.h"
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#include "libavcodec/get_bits.h"
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#include "libavcodec/internal.h"
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#include "libavcodec/put_bits.h"
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#include "libavcodec/vc1_common.h"
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#include "libavcodec/raw.h"
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#include "internal.h"
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#include "libavutil/avstring.h"
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#include "libavutil/intfloat.h"
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#include "libavutil/mathematics.h"
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#include "libavutil/libm.h"
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#include "libavutil/opt.h"
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#include "libavutil/dict.h"
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#include "libavutil/pixdesc.h"
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#include "libavutil/stereo3d.h"
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#include "libavutil/timecode.h"
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#include "libavutil/dovi_meta.h"
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#include "libavutil/color_utils.h"
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#include "hevc.h"
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#include "rtpenc.h"
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#include "mov_chan.h"
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#include "vpcc.h"
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static const AVOption options[] = {
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{ "movflags", "MOV muxer flags", offsetof(MOVMuxContext, flags), AV_OPT_TYPE_FLAGS, {.i64 = 0}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
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{ "rtphint", "Add RTP hint tracks", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_RTP_HINT}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
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{ "moov_size", "maximum moov size so it can be placed at the begin", offsetof(MOVMuxContext, reserved_moov_size), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, 0 },
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{ "empty_moov", "Make the initial moov atom empty", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_EMPTY_MOOV}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
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{ "frag_keyframe", "Fragment at video keyframes", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_FRAG_KEYFRAME}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
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{ "frag_every_frame", "Fragment at every frame", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_FRAG_EVERY_FRAME}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
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{ "separate_moof", "Write separate moof/mdat atoms for each track", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_SEPARATE_MOOF}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
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{ "frag_custom", "Flush fragments on caller requests", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_FRAG_CUSTOM}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
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{ "isml", "Create a live smooth streaming feed (for pushing to a publishing point)", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_ISML}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
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{ "faststart", "Run a second pass to put the index (moov atom) at the beginning of the file", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_FASTSTART}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
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{ "omit_tfhd_offset", "Omit the base data offset in tfhd atoms", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_OMIT_TFHD_OFFSET}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
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{ "disable_chpl", "Disable Nero chapter atom", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_DISABLE_CHPL}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
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{ "default_base_moof", "Set the default-base-is-moof flag in tfhd atoms", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_DEFAULT_BASE_MOOF}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
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{ "dash", "Write DASH compatible fragmented MP4", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_DASH}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
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{ "cmaf", "Write CMAF compatible fragmented MP4", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_CMAF}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
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{ "frag_discont", "Signal that the next fragment is discontinuous from earlier ones", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_FRAG_DISCONT}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
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{ "delay_moov", "Delay writing the initial moov until the first fragment is cut, or until the first fragment flush", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_DELAY_MOOV}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
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{ "global_sidx", "Write a global sidx index at the start of the file", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_GLOBAL_SIDX}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
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{ "skip_sidx", "Skip writing of sidx atom", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_SKIP_SIDX}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
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{ "write_colr", "Write colr atom (Experimental, may be renamed or changed, do not use from scripts)", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_WRITE_COLR}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
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{ "prefer_icc", "If writing colr atom prioritise usage of ICC profile if it exists in stream packet side data", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_PREFER_ICC}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
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{ "write_gama", "Write deprecated gama atom", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_WRITE_GAMA}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
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{ "use_metadata_tags", "Use mdta atom for metadata.", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_USE_MDTA}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
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{ "skip_trailer", "Skip writing the mfra/tfra/mfro trailer for fragmented files", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_SKIP_TRAILER}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
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{ "negative_cts_offsets", "Use negative CTS offsets (reducing the need for edit lists)", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
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FF_RTP_FLAG_OPTS(MOVMuxContext, rtp_flags),
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{ "skip_iods", "Skip writing iods atom.", offsetof(MOVMuxContext, iods_skip), AV_OPT_TYPE_BOOL, {.i64 = 1}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
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{ "iods_audio_profile", "iods audio profile atom.", offsetof(MOVMuxContext, iods_audio_profile), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 255, AV_OPT_FLAG_ENCODING_PARAM},
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{ "iods_video_profile", "iods video profile atom.", offsetof(MOVMuxContext, iods_video_profile), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 255, AV_OPT_FLAG_ENCODING_PARAM},
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{ "frag_duration", "Maximum fragment duration", offsetof(MOVMuxContext, max_fragment_duration), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
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{ "min_frag_duration", "Minimum fragment duration", offsetof(MOVMuxContext, min_fragment_duration), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
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{ "frag_size", "Maximum fragment size", offsetof(MOVMuxContext, max_fragment_size), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
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{ "ism_lookahead", "Number of lookahead entries for ISM files", offsetof(MOVMuxContext, ism_lookahead), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
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{ "video_track_timescale", "set timescale of all video tracks", offsetof(MOVMuxContext, video_track_timescale), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
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{ "brand", "Override major brand", offsetof(MOVMuxContext, major_brand), AV_OPT_TYPE_STRING, {.str = NULL}, .flags = AV_OPT_FLAG_ENCODING_PARAM },
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{ "use_editlist", "use edit list", offsetof(MOVMuxContext, use_editlist), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, AV_OPT_FLAG_ENCODING_PARAM},
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{ "fragment_index", "Fragment number of the next fragment", offsetof(MOVMuxContext, fragments), AV_OPT_TYPE_INT, {.i64 = 1}, 1, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
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{ "mov_gamma", "gamma value for gama atom", offsetof(MOVMuxContext, gamma), AV_OPT_TYPE_FLOAT, {.dbl = 0.0 }, 0.0, 10, AV_OPT_FLAG_ENCODING_PARAM},
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{ "frag_interleave", "Interleave samples within fragments (max number of consecutive samples, lower is tighter interleaving, but with more overhead)", offsetof(MOVMuxContext, frag_interleave), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM },
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{ "encryption_scheme", "Configures the encryption scheme, allowed values are none, cenc-aes-ctr", offsetof(MOVMuxContext, encryption_scheme_str), AV_OPT_TYPE_STRING, {.str = NULL}, .flags = AV_OPT_FLAG_ENCODING_PARAM },
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{ "encryption_key", "The media encryption key (hex)", offsetof(MOVMuxContext, encryption_key), AV_OPT_TYPE_BINARY, .flags = AV_OPT_FLAG_ENCODING_PARAM },
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{ "encryption_kid", "The media encryption key identifier (hex)", offsetof(MOVMuxContext, encryption_kid), AV_OPT_TYPE_BINARY, .flags = AV_OPT_FLAG_ENCODING_PARAM },
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{ "use_stream_ids_as_track_ids", "use stream ids as track ids", offsetof(MOVMuxContext, use_stream_ids_as_track_ids), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
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{ "write_tmcd", "force or disable writing tmcd", offsetof(MOVMuxContext, write_tmcd), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, AV_OPT_FLAG_ENCODING_PARAM},
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{ "write_prft", "Write producer reference time box with specified time source", offsetof(MOVMuxContext, write_prft), AV_OPT_TYPE_INT, {.i64 = MOV_PRFT_NONE}, 0, MOV_PRFT_NB-1, AV_OPT_FLAG_ENCODING_PARAM, "prft"},
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{ "wallclock", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = MOV_PRFT_SRC_WALLCLOCK}, 0, 0, AV_OPT_FLAG_ENCODING_PARAM, "prft"},
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{ "pts", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = MOV_PRFT_SRC_PTS}, 0, 0, AV_OPT_FLAG_ENCODING_PARAM, "prft"},
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{ "empty_hdlr_name", "write zero-length name string in hdlr atoms within mdia and minf atoms", offsetof(MOVMuxContext, empty_hdlr_name), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
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{ NULL },
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};
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#define MOV_CLASS(flavor)\
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static const AVClass flavor ## _muxer_class = {\
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.class_name = #flavor " muxer",\
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.item_name = av_default_item_name,\
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.option = options,\
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.version = LIBAVUTIL_VERSION_INT,\
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};
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static int get_moov_size(AVFormatContext *s);
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static int utf8len(const uint8_t *b)
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{
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int len = 0;
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int val;
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while (*b) {
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GET_UTF8(val, *b++, return -1;)
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len++;
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}
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return len;
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}
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//FIXME support 64 bit variant with wide placeholders
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static int64_t update_size(AVIOContext *pb, int64_t pos)
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{
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int64_t curpos = avio_tell(pb);
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avio_seek(pb, pos, SEEK_SET);
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avio_wb32(pb, curpos - pos); /* rewrite size */
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avio_seek(pb, curpos, SEEK_SET);
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return curpos - pos;
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}
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static int co64_required(const MOVTrack *track)
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{
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if (track->entry > 0 && track->cluster[track->entry - 1].pos + track->data_offset > UINT32_MAX)
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return 1;
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return 0;
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}
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static int is_cover_image(const AVStream *st)
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{
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/* Eg. AV_DISPOSITION_ATTACHED_PIC | AV_DISPOSITION_TIMED_THUMBNAILS
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* is encoded as sparse video track */
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return st && st->disposition == AV_DISPOSITION_ATTACHED_PIC;
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}
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static int rtp_hinting_needed(const AVStream *st)
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{
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/* Add hint tracks for each real audio and video stream */
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if (is_cover_image(st))
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return 0;
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return st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO ||
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st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO;
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}
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/* Chunk offset atom */
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static int mov_write_stco_tag(AVIOContext *pb, MOVTrack *track)
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{
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int i;
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int mode64 = co64_required(track); // use 32 bit size variant if possible
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int64_t pos = avio_tell(pb);
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avio_wb32(pb, 0); /* size */
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if (mode64)
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ffio_wfourcc(pb, "co64");
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else
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ffio_wfourcc(pb, "stco");
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avio_wb32(pb, 0); /* version & flags */
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avio_wb32(pb, track->chunkCount); /* entry count */
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for (i = 0; i < track->entry; i++) {
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if (!track->cluster[i].chunkNum)
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continue;
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if (mode64 == 1)
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avio_wb64(pb, track->cluster[i].pos + track->data_offset);
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else
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avio_wb32(pb, track->cluster[i].pos + track->data_offset);
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}
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return update_size(pb, pos);
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}
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/* Sample size atom */
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static int mov_write_stsz_tag(AVIOContext *pb, MOVTrack *track)
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{
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int equalChunks = 1;
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int i, j, entries = 0, tst = -1, oldtst = -1;
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int64_t pos = avio_tell(pb);
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avio_wb32(pb, 0); /* size */
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ffio_wfourcc(pb, "stsz");
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avio_wb32(pb, 0); /* version & flags */
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for (i = 0; i < track->entry; i++) {
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tst = track->cluster[i].size / track->cluster[i].entries;
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if (oldtst != -1 && tst != oldtst)
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equalChunks = 0;
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oldtst = tst;
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entries += track->cluster[i].entries;
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}
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if (equalChunks && track->entry) {
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int sSize = track->entry ? track->cluster[0].size / track->cluster[0].entries : 0;
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sSize = FFMAX(1, sSize); // adpcm mono case could make sSize == 0
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avio_wb32(pb, sSize); // sample size
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avio_wb32(pb, entries); // sample count
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} else {
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avio_wb32(pb, 0); // sample size
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avio_wb32(pb, entries); // sample count
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for (i = 0; i < track->entry; i++) {
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for (j = 0; j < track->cluster[i].entries; j++) {
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avio_wb32(pb, track->cluster[i].size /
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track->cluster[i].entries);
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}
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}
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}
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return update_size(pb, pos);
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}
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/* Sample to chunk atom */
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static int mov_write_stsc_tag(AVIOContext *pb, MOVTrack *track)
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{
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int index = 0, oldval = -1, i;
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int64_t entryPos, curpos;
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int64_t pos = avio_tell(pb);
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avio_wb32(pb, 0); /* size */
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ffio_wfourcc(pb, "stsc");
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avio_wb32(pb, 0); // version & flags
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entryPos = avio_tell(pb);
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avio_wb32(pb, track->chunkCount); // entry count
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for (i = 0; i < track->entry; i++) {
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if (oldval != track->cluster[i].samples_in_chunk && track->cluster[i].chunkNum) {
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avio_wb32(pb, track->cluster[i].chunkNum); // first chunk
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avio_wb32(pb, track->cluster[i].samples_in_chunk); // samples per chunk
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avio_wb32(pb, 0x1); // sample description index
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oldval = track->cluster[i].samples_in_chunk;
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index++;
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}
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}
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curpos = avio_tell(pb);
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avio_seek(pb, entryPos, SEEK_SET);
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avio_wb32(pb, index); // rewrite size
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avio_seek(pb, curpos, SEEK_SET);
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return update_size(pb, pos);
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}
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/* Sync sample atom */
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static int mov_write_stss_tag(AVIOContext *pb, MOVTrack *track, uint32_t flag)
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{
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int64_t curpos, entryPos;
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int i, index = 0;
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int64_t pos = avio_tell(pb);
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avio_wb32(pb, 0); // size
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ffio_wfourcc(pb, flag == MOV_SYNC_SAMPLE ? "stss" : "stps");
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avio_wb32(pb, 0); // version & flags
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entryPos = avio_tell(pb);
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avio_wb32(pb, track->entry); // entry count
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for (i = 0; i < track->entry; i++) {
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if (track->cluster[i].flags & flag) {
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avio_wb32(pb, i + 1);
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index++;
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}
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}
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curpos = avio_tell(pb);
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avio_seek(pb, entryPos, SEEK_SET);
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avio_wb32(pb, index); // rewrite size
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avio_seek(pb, curpos, SEEK_SET);
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return update_size(pb, pos);
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}
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/* Sample dependency atom */
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static int mov_write_sdtp_tag(AVIOContext *pb, MOVTrack *track)
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{
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int i;
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uint8_t leading, dependent, reference, redundancy;
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int64_t pos = avio_tell(pb);
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avio_wb32(pb, 0); // size
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ffio_wfourcc(pb, "sdtp");
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avio_wb32(pb, 0); // version & flags
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for (i = 0; i < track->entry; i++) {
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dependent = MOV_SAMPLE_DEPENDENCY_YES;
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leading = reference = redundancy = MOV_SAMPLE_DEPENDENCY_UNKNOWN;
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if (track->cluster[i].flags & MOV_DISPOSABLE_SAMPLE) {
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reference = MOV_SAMPLE_DEPENDENCY_NO;
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}
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if (track->cluster[i].flags & MOV_SYNC_SAMPLE) {
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dependent = MOV_SAMPLE_DEPENDENCY_NO;
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}
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avio_w8(pb, (leading << 6) | (dependent << 4) |
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(reference << 2) | redundancy);
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}
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return update_size(pb, pos);
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}
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static int mov_write_amr_tag(AVIOContext *pb, MOVTrack *track)
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{
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avio_wb32(pb, 0x11); /* size */
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if (track->mode == MODE_MOV) ffio_wfourcc(pb, "samr");
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else ffio_wfourcc(pb, "damr");
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ffio_wfourcc(pb, "FFMP");
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avio_w8(pb, 0); /* decoder version */
|
|
|
|
avio_wb16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
|
|
avio_w8(pb, 0x00); /* Mode change period (no restriction) */
|
|
avio_w8(pb, 0x01); /* Frames per sample */
|
|
return 0x11;
|
|
}
|
|
|
|
static int mov_write_ac3_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
|
|
{
|
|
GetBitContext gbc;
|
|
PutBitContext pbc;
|
|
uint8_t buf[3];
|
|
int fscod, bsid, bsmod, acmod, lfeon, frmsizecod;
|
|
|
|
if (track->vos_len < 7) {
|
|
av_log(s, AV_LOG_ERROR,
|
|
"Cannot write moov atom before AC3 packets."
|
|
" Set the delay_moov flag to fix this.\n");
|
|
return AVERROR(EINVAL);
|
|
}
|
|
|
|
avio_wb32(pb, 11);
|
|
ffio_wfourcc(pb, "dac3");
|
|
|
|
init_get_bits(&gbc, track->vos_data + 4, (track->vos_len - 4) * 8);
|
|
fscod = get_bits(&gbc, 2);
|
|
frmsizecod = get_bits(&gbc, 6);
|
|
bsid = get_bits(&gbc, 5);
|
|
bsmod = get_bits(&gbc, 3);
|
|
acmod = get_bits(&gbc, 3);
|
|
if (acmod == 2) {
|
|
skip_bits(&gbc, 2); // dsurmod
|
|
} else {
|
|
if ((acmod & 1) && acmod != 1)
|
|
skip_bits(&gbc, 2); // cmixlev
|
|
if (acmod & 4)
|
|
skip_bits(&gbc, 2); // surmixlev
|
|
}
|
|
lfeon = get_bits1(&gbc);
|
|
|
|
init_put_bits(&pbc, buf, sizeof(buf));
|
|
put_bits(&pbc, 2, fscod);
|
|
put_bits(&pbc, 5, bsid);
|
|
put_bits(&pbc, 3, bsmod);
|
|
put_bits(&pbc, 3, acmod);
|
|
put_bits(&pbc, 1, lfeon);
|
|
put_bits(&pbc, 5, frmsizecod >> 1); // bit_rate_code
|
|
put_bits(&pbc, 5, 0); // reserved
|
|
|
|
flush_put_bits(&pbc);
|
|
avio_write(pb, buf, sizeof(buf));
|
|
|
|
return 11;
|
|
}
|
|
|
|
struct eac3_info {
|
|
AVPacket pkt;
|
|
uint8_t ec3_done;
|
|
uint8_t num_blocks;
|
|
|
|
/* Layout of the EC3SpecificBox */
|
|
/* maximum bitrate */
|
|
uint16_t data_rate;
|
|
/* number of independent substreams */
|
|
uint8_t num_ind_sub;
|
|
struct {
|
|
/* sample rate code (see ff_ac3_sample_rate_tab) 2 bits */
|
|
uint8_t fscod;
|
|
/* bit stream identification 5 bits */
|
|
uint8_t bsid;
|
|
/* one bit reserved */
|
|
/* audio service mixing (not supported yet) 1 bit */
|
|
/* bit stream mode 3 bits */
|
|
uint8_t bsmod;
|
|
/* audio coding mode 3 bits */
|
|
uint8_t acmod;
|
|
/* sub woofer on 1 bit */
|
|
uint8_t lfeon;
|
|
/* 3 bits reserved */
|
|
/* number of dependent substreams associated with this substream 4 bits */
|
|
uint8_t num_dep_sub;
|
|
/* channel locations of the dependent substream(s), if any, 9 bits */
|
|
uint16_t chan_loc;
|
|
/* if there is no dependent substream, then one bit reserved instead */
|
|
} substream[1]; /* TODO: support 8 independent substreams */
|
|
};
|
|
|
|
#if CONFIG_AC3_PARSER
|
|
static int handle_eac3(MOVMuxContext *mov, AVPacket *pkt, MOVTrack *track)
|
|
{
|
|
AC3HeaderInfo *hdr = NULL;
|
|
struct eac3_info *info;
|
|
int num_blocks, ret;
|
|
|
|
if (!track->eac3_priv && !(track->eac3_priv = av_mallocz(sizeof(*info))))
|
|
return AVERROR(ENOMEM);
|
|
info = track->eac3_priv;
|
|
|
|
if (avpriv_ac3_parse_header(&hdr, pkt->data, pkt->size) < 0) {
|
|
/* drop the packets until we see a good one */
|
|
if (!track->entry) {
|
|
av_log(mov->fc, AV_LOG_WARNING, "Dropping invalid packet from start of the stream\n");
|
|
ret = 0;
|
|
} else
|
|
ret = AVERROR_INVALIDDATA;
|
|
goto end;
|
|
}
|
|
|
|
info->data_rate = FFMAX(info->data_rate, hdr->bit_rate / 1000);
|
|
num_blocks = hdr->num_blocks;
|
|
|
|
if (!info->ec3_done) {
|
|
/* AC-3 substream must be the first one */
|
|
if (hdr->bitstream_id <= 10 && hdr->substreamid != 0) {
|
|
ret = AVERROR(EINVAL);
|
|
goto end;
|
|
}
|
|
|
|
/* this should always be the case, given that our AC-3 parser
|
|
* concatenates dependent frames to their independent parent */
|
|
if (hdr->frame_type == EAC3_FRAME_TYPE_INDEPENDENT) {
|
|
/* substream ids must be incremental */
|
|
if (hdr->substreamid > info->num_ind_sub + 1) {
|
|
ret = AVERROR(EINVAL);
|
|
goto end;
|
|
}
|
|
|
|
if (hdr->substreamid == info->num_ind_sub + 1) {
|
|
//info->num_ind_sub++;
|
|
avpriv_request_sample(mov->fc, "Multiple independent substreams");
|
|
ret = AVERROR_PATCHWELCOME;
|
|
goto end;
|
|
} else if (hdr->substreamid < info->num_ind_sub ||
|
|
hdr->substreamid == 0 && info->substream[0].bsid) {
|
|
info->ec3_done = 1;
|
|
goto concatenate;
|
|
}
|
|
} else {
|
|
if (hdr->substreamid != 0) {
|
|
avpriv_request_sample(mov->fc, "Multiple non EAC3 independent substreams");
|
|
ret = AVERROR_PATCHWELCOME;
|
|
goto end;
|
|
}
|
|
}
|
|
|
|
/* fill the info needed for the "dec3" atom */
|
|
info->substream[hdr->substreamid].fscod = hdr->sr_code;
|
|
info->substream[hdr->substreamid].bsid = hdr->bitstream_id;
|
|
info->substream[hdr->substreamid].bsmod = hdr->bitstream_mode;
|
|
info->substream[hdr->substreamid].acmod = hdr->channel_mode;
|
|
info->substream[hdr->substreamid].lfeon = hdr->lfe_on;
|
|
|
|
/* Parse dependent substream(s), if any */
|
|
if (pkt->size != hdr->frame_size) {
|
|
int cumul_size = hdr->frame_size;
|
|
int parent = hdr->substreamid;
|
|
|
|
while (cumul_size != pkt->size) {
|
|
GetBitContext gbc;
|
|
int i;
|
|
ret = avpriv_ac3_parse_header(&hdr, pkt->data + cumul_size, pkt->size - cumul_size);
|
|
if (ret < 0)
|
|
goto end;
|
|
if (hdr->frame_type != EAC3_FRAME_TYPE_DEPENDENT) {
|
|
ret = AVERROR(EINVAL);
|
|
goto end;
|
|
}
|
|
info->substream[parent].num_dep_sub++;
|
|
ret /= 8;
|
|
|
|
/* header is parsed up to lfeon, but custom channel map may be needed */
|
|
init_get_bits8(&gbc, pkt->data + cumul_size + ret, pkt->size - cumul_size - ret);
|
|
/* skip bsid */
|
|
skip_bits(&gbc, 5);
|
|
/* skip volume control params */
|
|
for (i = 0; i < (hdr->channel_mode ? 1 : 2); i++) {
|
|
skip_bits(&gbc, 5); // skip dialog normalization
|
|
if (get_bits1(&gbc)) {
|
|
skip_bits(&gbc, 8); // skip compression gain word
|
|
}
|
|
}
|
|
/* get the dependent stream channel map, if exists */
|
|
if (get_bits1(&gbc))
|
|
info->substream[parent].chan_loc |= (get_bits(&gbc, 16) >> 5) & 0x1f;
|
|
else
|
|
info->substream[parent].chan_loc |= hdr->channel_mode;
|
|
cumul_size += hdr->frame_size;
|
|
}
|
|
}
|
|
}
|
|
|
|
concatenate:
|
|
if (!info->num_blocks && num_blocks == 6) {
|
|
ret = pkt->size;
|
|
goto end;
|
|
}
|
|
else if (info->num_blocks + num_blocks > 6) {
|
|
ret = AVERROR_INVALIDDATA;
|
|
goto end;
|
|
}
|
|
|
|
if (!info->num_blocks) {
|
|
ret = av_packet_ref(&info->pkt, pkt);
|
|
if (!ret)
|
|
info->num_blocks = num_blocks;
|
|
goto end;
|
|
} else {
|
|
if ((ret = av_grow_packet(&info->pkt, pkt->size)) < 0)
|
|
goto end;
|
|
memcpy(info->pkt.data + info->pkt.size - pkt->size, pkt->data, pkt->size);
|
|
info->num_blocks += num_blocks;
|
|
info->pkt.duration += pkt->duration;
|
|
if (info->num_blocks != 6)
|
|
goto end;
|
|
av_packet_unref(pkt);
|
|
av_packet_move_ref(pkt, &info->pkt);
|
|
info->num_blocks = 0;
|
|
}
|
|
ret = pkt->size;
|
|
|
|
end:
|
|
av_free(hdr);
|
|
|
|
return ret;
|
|
}
|
|
#endif
|
|
|
|
static int mov_write_eac3_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
|
|
{
|
|
PutBitContext pbc;
|
|
uint8_t *buf;
|
|
struct eac3_info *info;
|
|
int size, i;
|
|
|
|
if (!track->eac3_priv) {
|
|
av_log(s, AV_LOG_ERROR,
|
|
"Cannot write moov atom before EAC3 packets parsed.\n");
|
|
return AVERROR(EINVAL);
|
|
}
|
|
|
|
info = track->eac3_priv;
|
|
size = 2 + ((34 * (info->num_ind_sub + 1) + 7) >> 3);
|
|
buf = av_malloc(size);
|
|
if (!buf) {
|
|
return AVERROR(ENOMEM);
|
|
}
|
|
|
|
init_put_bits(&pbc, buf, size);
|
|
put_bits(&pbc, 13, info->data_rate);
|
|
put_bits(&pbc, 3, info->num_ind_sub);
|
|
for (i = 0; i <= info->num_ind_sub; i++) {
|
|
put_bits(&pbc, 2, info->substream[i].fscod);
|
|
put_bits(&pbc, 5, info->substream[i].bsid);
|
|
put_bits(&pbc, 1, 0); /* reserved */
|
|
put_bits(&pbc, 1, 0); /* asvc */
|
|
put_bits(&pbc, 3, info->substream[i].bsmod);
|
|
put_bits(&pbc, 3, info->substream[i].acmod);
|
|
put_bits(&pbc, 1, info->substream[i].lfeon);
|
|
put_bits(&pbc, 5, 0); /* reserved */
|
|
put_bits(&pbc, 4, info->substream[i].num_dep_sub);
|
|
if (!info->substream[i].num_dep_sub) {
|
|
put_bits(&pbc, 1, 0); /* reserved */
|
|
} else {
|
|
put_bits(&pbc, 9, info->substream[i].chan_loc);
|
|
}
|
|
}
|
|
flush_put_bits(&pbc);
|
|
size = put_bits_count(&pbc) >> 3;
|
|
|
|
avio_wb32(pb, size + 8);
|
|
ffio_wfourcc(pb, "dec3");
|
|
avio_write(pb, buf, size);
|
|
|
|
av_free(buf);
|
|
|
|
return size;
|
|
}
|
|
|
|
/**
|
|
* This function writes extradata "as is".
|
|
* Extradata must be formatted like a valid atom (with size and tag).
|
|
*/
|
|
static int mov_write_extradata_tag(AVIOContext *pb, MOVTrack *track)
|
|
{
|
|
avio_write(pb, track->par->extradata, track->par->extradata_size);
|
|
return track->par->extradata_size;
|
|
}
|
|
|
|
static int mov_write_enda_tag(AVIOContext *pb)
|
|
{
|
|
avio_wb32(pb, 10);
|
|
ffio_wfourcc(pb, "enda");
|
|
avio_wb16(pb, 1); /* little endian */
|
|
return 10;
|
|
}
|
|
|
|
static int mov_write_enda_tag_be(AVIOContext *pb)
|
|
{
|
|
avio_wb32(pb, 10);
|
|
ffio_wfourcc(pb, "enda");
|
|
avio_wb16(pb, 0); /* big endian */
|
|
return 10;
|
|
}
|
|
|
|
static void put_descr(AVIOContext *pb, int tag, unsigned int size)
|
|
{
|
|
int i = 3;
|
|
avio_w8(pb, tag);
|
|
for (; i > 0; i--)
|
|
avio_w8(pb, (size >> (7 * i)) | 0x80);
|
|
avio_w8(pb, size & 0x7F);
|
|
}
|
|
|
|
static unsigned compute_avg_bitrate(MOVTrack *track)
|
|
{
|
|
uint64_t size = 0;
|
|
int i;
|
|
if (!track->track_duration)
|
|
return 0;
|
|
for (i = 0; i < track->entry; i++)
|
|
size += track->cluster[i].size;
|
|
return size * 8 * track->timescale / track->track_duration;
|
|
}
|
|
|
|
static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track) // Basic
|
|
{
|
|
AVCPBProperties *props;
|
|
int64_t pos = avio_tell(pb);
|
|
int decoder_specific_info_len = track->vos_len ? 5 + track->vos_len : 0;
|
|
unsigned avg_bitrate;
|
|
|
|
avio_wb32(pb, 0); // size
|
|
ffio_wfourcc(pb, "esds");
|
|
avio_wb32(pb, 0); // Version
|
|
|
|
// ES descriptor
|
|
put_descr(pb, 0x03, 3 + 5+13 + decoder_specific_info_len + 5+1);
|
|
avio_wb16(pb, track->track_id);
|
|
avio_w8(pb, 0x00); // flags (= no flags)
|
|
|
|
// DecoderConfig descriptor
|
|
put_descr(pb, 0x04, 13 + decoder_specific_info_len);
|
|
|
|
// Object type indication
|
|
if ((track->par->codec_id == AV_CODEC_ID_MP2 ||
|
|
track->par->codec_id == AV_CODEC_ID_MP3) &&
|
|
track->par->sample_rate > 24000)
|
|
avio_w8(pb, 0x6B); // 11172-3
|
|
else
|
|
avio_w8(pb, ff_codec_get_tag(ff_mp4_obj_type, track->par->codec_id));
|
|
|
|
// the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
|
|
// plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
|
|
if (track->par->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
|
|
avio_w8(pb, (0x38 << 2) | 1); // flags (= NeroSubpicStream)
|
|
else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
|
|
avio_w8(pb, 0x15); // flags (= Audiostream)
|
|
else
|
|
avio_w8(pb, 0x11); // flags (= Visualstream)
|
|
|
|
props = (AVCPBProperties*)av_stream_get_side_data(track->st, AV_PKT_DATA_CPB_PROPERTIES,
|
|
NULL);
|
|
|
|
avio_wb24(pb, props ? props->buffer_size / 8 : 0); // Buffersize DB
|
|
|
|
avg_bitrate = compute_avg_bitrate(track);
|
|
avio_wb32(pb, props ? FFMAX3(props->max_bitrate, props->avg_bitrate, avg_bitrate) : FFMAX(track->par->bit_rate, avg_bitrate)); // maxbitrate (FIXME should be max rate in any 1 sec window)
|
|
avio_wb32(pb, avg_bitrate);
|
|
|
|
if (track->vos_len) {
|
|
// DecoderSpecific info descriptor
|
|
put_descr(pb, 0x05, track->vos_len);
|
|
avio_write(pb, track->vos_data, track->vos_len);
|
|
}
|
|
|
|
// SL descriptor
|
|
put_descr(pb, 0x06, 1);
|
|
avio_w8(pb, 0x02);
|
|
return update_size(pb, pos);
|
|
}
|
|
|
|
static int mov_pcm_le_gt16(enum AVCodecID codec_id)
|
|
{
|
|
return codec_id == AV_CODEC_ID_PCM_S24LE ||
|
|
codec_id == AV_CODEC_ID_PCM_S32LE ||
|
|
codec_id == AV_CODEC_ID_PCM_F32LE ||
|
|
codec_id == AV_CODEC_ID_PCM_F64LE;
|
|
}
|
|
|
|
static int mov_pcm_be_gt16(enum AVCodecID codec_id)
|
|
{
|
|
return codec_id == AV_CODEC_ID_PCM_S24BE ||
|
|
codec_id == AV_CODEC_ID_PCM_S32BE ||
|
|
codec_id == AV_CODEC_ID_PCM_F32BE ||
|
|
codec_id == AV_CODEC_ID_PCM_F64BE;
|
|
}
|
|
|
|
static int mov_write_ms_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
|
|
{
|
|
int ret;
|
|
int64_t pos = avio_tell(pb);
|
|
avio_wb32(pb, 0);
|
|
avio_wl32(pb, track->tag); // store it byteswapped
|
|
track->par->codec_tag = av_bswap16(track->tag >> 16);
|
|
if ((ret = ff_put_wav_header(s, pb, track->par, 0)) < 0)
|
|
return ret;
|
|
return update_size(pb, pos);
|
|
}
|
|
|
|
static int mov_write_wfex_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
|
|
{
|
|
int ret;
|
|
int64_t pos = avio_tell(pb);
|
|
avio_wb32(pb, 0);
|
|
ffio_wfourcc(pb, "wfex");
|
|
if ((ret = ff_put_wav_header(s, pb, track->st->codecpar, FF_PUT_WAV_HEADER_FORCE_WAVEFORMATEX)) < 0)
|
|
return ret;
|
|
return update_size(pb, pos);
|
|
}
|
|
|
|
static int mov_write_dfla_tag(AVIOContext *pb, MOVTrack *track)
|
|
{
|
|
int64_t pos = avio_tell(pb);
|
|
avio_wb32(pb, 0);
|
|
ffio_wfourcc(pb, "dfLa");
|
|
avio_w8(pb, 0); /* version */
|
|
avio_wb24(pb, 0); /* flags */
|
|
|
|
/* Expect the encoder to pass a METADATA_BLOCK_TYPE_STREAMINFO. */
|
|
if (track->par->extradata_size != FLAC_STREAMINFO_SIZE)
|
|
return AVERROR_INVALIDDATA;
|
|
|
|
/* TODO: Write other METADATA_BLOCK_TYPEs if the encoder makes them available. */
|
|
avio_w8(pb, 1 << 7 | FLAC_METADATA_TYPE_STREAMINFO); /* LastMetadataBlockFlag << 7 | BlockType */
|
|
avio_wb24(pb, track->par->extradata_size); /* Length */
|
|
avio_write(pb, track->par->extradata, track->par->extradata_size); /* BlockData[Length] */
|
|
|
|
return update_size(pb, pos);
|
|
}
|
|
|
|
static int mov_write_dops_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
|
|
{
|
|
int64_t pos = avio_tell(pb);
|
|
avio_wb32(pb, 0);
|
|
ffio_wfourcc(pb, "dOps");
|
|
avio_w8(pb, 0); /* Version */
|
|
if (track->par->extradata_size < 19) {
|
|
av_log(s, AV_LOG_ERROR, "invalid extradata size\n");
|
|
return AVERROR_INVALIDDATA;
|
|
}
|
|
/* extradata contains an Ogg OpusHead, other than byte-ordering and
|
|
OpusHead's preceeding magic/version, OpusSpecificBox is currently
|
|
identical. */
|
|
avio_w8(pb, AV_RB8(track->par->extradata + 9)); /* OuputChannelCount */
|
|
avio_wb16(pb, AV_RL16(track->par->extradata + 10)); /* PreSkip */
|
|
avio_wb32(pb, AV_RL32(track->par->extradata + 12)); /* InputSampleRate */
|
|
avio_wb16(pb, AV_RL16(track->par->extradata + 16)); /* OutputGain */
|
|
/* Write the rest of the header out without byte-swapping. */
|
|
avio_write(pb, track->par->extradata + 18, track->par->extradata_size - 18);
|
|
|
|
return update_size(pb, pos);
|
|
}
|
|
|
|
static int mov_write_dmlp_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
|
|
{
|
|
int64_t pos = avio_tell(pb);
|
|
int length;
|
|
avio_wb32(pb, 0);
|
|
ffio_wfourcc(pb, "dmlp");
|
|
|
|
if (track->vos_len < 20) {
|
|
av_log(s, AV_LOG_ERROR,
|
|
"Cannot write moov atom before TrueHD packets."
|
|
" Set the delay_moov flag to fix this.\n");
|
|
return AVERROR(EINVAL);
|
|
}
|
|
|
|
length = (AV_RB16(track->vos_data) & 0xFFF) * 2;
|
|
if (length < 20 || length > track->vos_len)
|
|
return AVERROR_INVALIDDATA;
|
|
|
|
// Only TrueHD is supported
|
|
if (AV_RB32(track->vos_data + 4) != 0xF8726FBA)
|
|
return AVERROR_INVALIDDATA;
|
|
|
|
avio_wb32(pb, AV_RB32(track->vos_data + 8)); /* format_info */
|
|
avio_wb16(pb, AV_RB16(track->vos_data + 18) << 1); /* peak_data_rate */
|
|
avio_wb32(pb, 0); /* reserved */
|
|
|
|
return update_size(pb, pos);
|
|
}
|
|
|
|
static int mov_write_chan_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
|
|
{
|
|
uint32_t layout_tag, bitmap;
|
|
int64_t pos = avio_tell(pb);
|
|
|
|
layout_tag = ff_mov_get_channel_layout_tag(track->par->codec_id,
|
|
track->par->channel_layout,
|
|
&bitmap);
|
|
if (!layout_tag) {
|
|
av_log(s, AV_LOG_WARNING, "not writing 'chan' tag due to "
|
|
"lack of channel information\n");
|
|
return 0;
|
|
}
|
|
|
|
if (track->multichannel_as_mono)
|
|
return 0;
|
|
|
|
avio_wb32(pb, 0); // Size
|
|
ffio_wfourcc(pb, "chan"); // Type
|
|
avio_w8(pb, 0); // Version
|
|
avio_wb24(pb, 0); // Flags
|
|
avio_wb32(pb, layout_tag); // mChannelLayoutTag
|
|
avio_wb32(pb, bitmap); // mChannelBitmap
|
|
avio_wb32(pb, 0); // mNumberChannelDescriptions
|
|
|
|
return update_size(pb, pos);
|
|
}
|
|
|
|
static int mov_write_wave_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
|
|
{
|
|
int64_t pos = avio_tell(pb);
|
|
|
|
avio_wb32(pb, 0); /* size */
|
|
ffio_wfourcc(pb, "wave");
|
|
|
|
if (track->par->codec_id != AV_CODEC_ID_QDM2) {
|
|
avio_wb32(pb, 12); /* size */
|
|
ffio_wfourcc(pb, "frma");
|
|
avio_wl32(pb, track->tag);
|
|
}
|
|
|
|
if (track->par->codec_id == AV_CODEC_ID_AAC) {
|
|
/* useless atom needed by mplayer, ipod, not needed by quicktime */
|
|
avio_wb32(pb, 12); /* size */
|
|
ffio_wfourcc(pb, "mp4a");
|
|
avio_wb32(pb, 0);
|
|
mov_write_esds_tag(pb, track);
|
|
} else if (mov_pcm_le_gt16(track->par->codec_id)) {
|
|
mov_write_enda_tag(pb);
|
|
} else if (mov_pcm_be_gt16(track->par->codec_id)) {
|
|
mov_write_enda_tag_be(pb);
|
|
} else if (track->par->codec_id == AV_CODEC_ID_AMR_NB) {
|
|
mov_write_amr_tag(pb, track);
|
|
} else if (track->par->codec_id == AV_CODEC_ID_AC3) {
|
|
mov_write_ac3_tag(s, pb, track);
|
|
} else if (track->par->codec_id == AV_CODEC_ID_EAC3) {
|
|
mov_write_eac3_tag(s, pb, track);
|
|
} else if (track->par->codec_id == AV_CODEC_ID_ALAC ||
|
|
track->par->codec_id == AV_CODEC_ID_QDM2) {
|
|
mov_write_extradata_tag(pb, track);
|
|
} else if (track->par->codec_id == AV_CODEC_ID_ADPCM_MS ||
|
|
track->par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
|
|
mov_write_ms_tag(s, pb, track);
|
|
}
|
|
|
|
avio_wb32(pb, 8); /* size */
|
|
avio_wb32(pb, 0); /* null tag */
|
|
|
|
return update_size(pb, pos);
|
|
}
|
|
|
|
static int mov_write_dvc1_structs(MOVTrack *track, uint8_t *buf)
|
|
{
|
|
uint8_t *unescaped;
|
|
const uint8_t *start, *next, *end = track->vos_data + track->vos_len;
|
|
int unescaped_size, seq_found = 0;
|
|
int level = 0, interlace = 0;
|
|
int packet_seq = track->vc1_info.packet_seq;
|
|
int packet_entry = track->vc1_info.packet_entry;
|
|
int slices = track->vc1_info.slices;
|
|
PutBitContext pbc;
|
|
|
|
if (track->start_dts == AV_NOPTS_VALUE) {
|
|
/* No packets written yet, vc1_info isn't authoritative yet. */
|
|
/* Assume inline sequence and entry headers. */
|
|
packet_seq = packet_entry = 1;
|
|
av_log(NULL, AV_LOG_WARNING,
|
|
"moov atom written before any packets, unable to write correct "
|
|
"dvc1 atom. Set the delay_moov flag to fix this.\n");
|
|
}
|
|
|
|
unescaped = av_mallocz(track->vos_len + AV_INPUT_BUFFER_PADDING_SIZE);
|
|
if (!unescaped)
|
|
return AVERROR(ENOMEM);
|
|
start = find_next_marker(track->vos_data, end);
|
|
for (next = start; next < end; start = next) {
|
|
GetBitContext gb;
|
|
int size;
|
|
next = find_next_marker(start + 4, end);
|
|
size = next - start - 4;
|
|
if (size <= 0)
|
|
continue;
|
|
unescaped_size = vc1_unescape_buffer(start + 4, size, unescaped);
|
|
init_get_bits(&gb, unescaped, 8 * unescaped_size);
|
|
if (AV_RB32(start) == VC1_CODE_SEQHDR) {
|
|
int profile = get_bits(&gb, 2);
|
|
if (profile != PROFILE_ADVANCED) {
|
|
av_free(unescaped);
|
|
return AVERROR(ENOSYS);
|
|
}
|
|
seq_found = 1;
|
|
level = get_bits(&gb, 3);
|
|
/* chromaformat, frmrtq_postproc, bitrtq_postproc, postprocflag,
|
|
* width, height */
|
|
skip_bits_long(&gb, 2 + 3 + 5 + 1 + 2*12);
|
|
skip_bits(&gb, 1); /* broadcast */
|
|
interlace = get_bits1(&gb);
|
|
skip_bits(&gb, 4); /* tfcntrflag, finterpflag, reserved, psf */
|
|
}
|
|
}
|
|
if (!seq_found) {
|
|
av_free(unescaped);
|
|
return AVERROR(ENOSYS);
|
|
}
|
|
|
|
init_put_bits(&pbc, buf, 7);
|
|
/* VC1DecSpecStruc */
|
|
put_bits(&pbc, 4, 12); /* profile - advanced */
|
|
put_bits(&pbc, 3, level);
|
|
put_bits(&pbc, 1, 0); /* reserved */
|
|
/* VC1AdvDecSpecStruc */
|
|
put_bits(&pbc, 3, level);
|
|
put_bits(&pbc, 1, 0); /* cbr */
|
|
put_bits(&pbc, 6, 0); /* reserved */
|
|
put_bits(&pbc, 1, !interlace); /* no interlace */
|
|
put_bits(&pbc, 1, !packet_seq); /* no multiple seq */
|
|
put_bits(&pbc, 1, !packet_entry); /* no multiple entry */
|
|
put_bits(&pbc, 1, !slices); /* no slice code */
|
|
put_bits(&pbc, 1, 0); /* no bframe */
|
|
put_bits(&pbc, 1, 0); /* reserved */
|
|
|
|
/* framerate */
|
|
if (track->st->avg_frame_rate.num > 0 && track->st->avg_frame_rate.den > 0)
|
|
put_bits32(&pbc, track->st->avg_frame_rate.num / track->st->avg_frame_rate.den);
|
|
else
|
|
put_bits32(&pbc, 0xffffffff);
|
|
|
|
flush_put_bits(&pbc);
|
|
|
|
av_free(unescaped);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int mov_write_dvc1_tag(AVIOContext *pb, MOVTrack *track)
|
|
{
|
|
uint8_t buf[7] = { 0 };
|
|
int ret;
|
|
|
|
if ((ret = mov_write_dvc1_structs(track, buf)) < 0)
|
|
return ret;
|
|
|
|
avio_wb32(pb, track->vos_len + 8 + sizeof(buf));
|
|
ffio_wfourcc(pb, "dvc1");
|
|
avio_write(pb, buf, sizeof(buf));
|
|
avio_write(pb, track->vos_data, track->vos_len);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track)
|
|
{
|
|
avio_wb32(pb, track->vos_len + 8);
|
|
ffio_wfourcc(pb, "glbl");
|
|
avio_write(pb, track->vos_data, track->vos_len);
|
|
return 8 + track->vos_len;
|
|
}
|
|
|
|
/**
|
|
* Compute flags for 'lpcm' tag.
|
|
* See CoreAudioTypes and AudioStreamBasicDescription at Apple.
|
|
*/
|
|
static int mov_get_lpcm_flags(enum AVCodecID codec_id)
|
|
{
|
|
switch (codec_id) {
|
|
case AV_CODEC_ID_PCM_F32BE:
|
|
case AV_CODEC_ID_PCM_F64BE:
|
|
return 11;
|
|
case AV_CODEC_ID_PCM_F32LE:
|
|
case AV_CODEC_ID_PCM_F64LE:
|
|
return 9;
|
|
case AV_CODEC_ID_PCM_U8:
|
|
return 10;
|
|
case AV_CODEC_ID_PCM_S16BE:
|
|
case AV_CODEC_ID_PCM_S24BE:
|
|
case AV_CODEC_ID_PCM_S32BE:
|
|
return 14;
|
|
case AV_CODEC_ID_PCM_S8:
|
|
case AV_CODEC_ID_PCM_S16LE:
|
|
case AV_CODEC_ID_PCM_S24LE:
|
|
case AV_CODEC_ID_PCM_S32LE:
|
|
return 12;
|
|
default:
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
static int get_cluster_duration(MOVTrack *track, int cluster_idx)
|
|
{
|
|
int64_t next_dts;
|
|
|
|
if (cluster_idx >= track->entry)
|
|
return 0;
|
|
|
|
if (cluster_idx + 1 == track->entry)
|
|
next_dts = track->track_duration + track->start_dts;
|
|
else
|
|
next_dts = track->cluster[cluster_idx + 1].dts;
|
|
|
|
next_dts -= track->cluster[cluster_idx].dts;
|
|
|
|
av_assert0(next_dts >= 0);
|
|
av_assert0(next_dts <= INT_MAX);
|
|
|
|
return next_dts;
|
|
}
|
|
|
|
static int get_samples_per_packet(MOVTrack *track)
|
|
{
|
|
int i, first_duration;
|
|
|
|
// return track->par->frame_size;
|
|
|
|
/* use 1 for raw PCM */
|
|
if (!track->audio_vbr)
|
|
return 1;
|
|
|
|
/* check to see if duration is constant for all clusters */
|
|
if (!track->entry)
|
|
return 0;
|
|
first_duration = get_cluster_duration(track, 0);
|
|
for (i = 1; i < track->entry; i++) {
|
|
if (get_cluster_duration(track, i) != first_duration)
|
|
return 0;
|
|
}
|
|
return first_duration;
|
|
}
|
|
|
|
static int mov_write_audio_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
|
|
{
|
|
int64_t pos = avio_tell(pb);
|
|
int version = 0;
|
|
uint32_t tag = track->tag;
|
|
int ret = 0;
|
|
|
|
if (track->mode == MODE_MOV) {
|
|
if (track->timescale > UINT16_MAX || !track->par->channels) {
|
|
if (mov_get_lpcm_flags(track->par->codec_id))
|
|
tag = AV_RL32("lpcm");
|
|
version = 2;
|
|
} else if (track->audio_vbr || mov_pcm_le_gt16(track->par->codec_id) ||
|
|
mov_pcm_be_gt16(track->par->codec_id) ||
|
|
track->par->codec_id == AV_CODEC_ID_ADPCM_MS ||
|
|
track->par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
|
|
track->par->codec_id == AV_CODEC_ID_QDM2) {
|
|
version = 1;
|
|
}
|
|
}
|
|
|
|
avio_wb32(pb, 0); /* size */
|
|
if (mov->encryption_scheme != MOV_ENC_NONE) {
|
|
ffio_wfourcc(pb, "enca");
|
|
} else {
|
|
avio_wl32(pb, tag); // store it byteswapped
|
|
}
|
|
avio_wb32(pb, 0); /* Reserved */
|
|
avio_wb16(pb, 0); /* Reserved */
|
|
avio_wb16(pb, 1); /* Data-reference index, XXX == 1 */
|
|
|
|
/* SoundDescription */
|
|
avio_wb16(pb, version); /* Version */
|
|
avio_wb16(pb, 0); /* Revision level */
|
|
avio_wb32(pb, 0); /* Reserved */
|
|
|
|
if (version == 2) {
|
|
avio_wb16(pb, 3);
|
|
avio_wb16(pb, 16);
|
|
avio_wb16(pb, 0xfffe);
|
|
avio_wb16(pb, 0);
|
|
avio_wb32(pb, 0x00010000);
|
|
avio_wb32(pb, 72);
|
|
avio_wb64(pb, av_double2int(track->par->sample_rate));
|
|
avio_wb32(pb, track->par->channels);
|
|
avio_wb32(pb, 0x7F000000);
|
|
avio_wb32(pb, av_get_bits_per_sample(track->par->codec_id));
|
|
avio_wb32(pb, mov_get_lpcm_flags(track->par->codec_id));
|
|
avio_wb32(pb, track->sample_size);
|
|
avio_wb32(pb, get_samples_per_packet(track));
|
|
} else {
|
|
if (track->mode == MODE_MOV) {
|
|
avio_wb16(pb, track->par->channels);
|
|
if (track->par->codec_id == AV_CODEC_ID_PCM_U8 ||
|
|
track->par->codec_id == AV_CODEC_ID_PCM_S8)
|
|
avio_wb16(pb, 8); /* bits per sample */
|
|
else if (track->par->codec_id == AV_CODEC_ID_ADPCM_G726)
|
|
avio_wb16(pb, track->par->bits_per_coded_sample);
|
|
else
|
|
avio_wb16(pb, 16);
|
|
avio_wb16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
|
|
} else { /* reserved for mp4/3gp */
|
|
if (track->par->codec_id == AV_CODEC_ID_FLAC ||
|
|
track->par->codec_id == AV_CODEC_ID_ALAC ||
|
|
track->par->codec_id == AV_CODEC_ID_OPUS) {
|
|
avio_wb16(pb, track->par->channels);
|
|
} else {
|
|
avio_wb16(pb, 2);
|
|
}
|
|
if (track->par->codec_id == AV_CODEC_ID_FLAC ||
|
|
track->par->codec_id == AV_CODEC_ID_ALAC) {
|
|
avio_wb16(pb, track->par->bits_per_raw_sample);
|
|
} else {
|
|
avio_wb16(pb, 16);
|
|
}
|
|
avio_wb16(pb, 0);
|
|
}
|
|
|
|
avio_wb16(pb, 0); /* packet size (= 0) */
|
|
if (track->par->codec_id == AV_CODEC_ID_OPUS)
|
|
avio_wb16(pb, 48000);
|
|
else if (track->par->codec_id == AV_CODEC_ID_TRUEHD)
|
|
avio_wb32(pb, track->par->sample_rate);
|
|
else
|
|
avio_wb16(pb, track->par->sample_rate <= UINT16_MAX ?
|
|
track->par->sample_rate : 0);
|
|
|
|
if (track->par->codec_id != AV_CODEC_ID_TRUEHD)
|
|
avio_wb16(pb, 0); /* Reserved */
|
|
}
|
|
|
|
if (version == 1) { /* SoundDescription V1 extended info */
|
|
if (mov_pcm_le_gt16(track->par->codec_id) ||
|
|
mov_pcm_be_gt16(track->par->codec_id))
|
|
avio_wb32(pb, 1); /* must be 1 for uncompressed formats */
|
|
else
|
|
avio_wb32(pb, track->par->frame_size); /* Samples per packet */
|
|
avio_wb32(pb, track->sample_size / track->par->channels); /* Bytes per packet */
|
|
avio_wb32(pb, track->sample_size); /* Bytes per frame */
|
|
avio_wb32(pb, 2); /* Bytes per sample */
|
|
}
|
|
|
|
if (track->mode == MODE_MOV &&
|
|
(track->par->codec_id == AV_CODEC_ID_AAC ||
|
|
track->par->codec_id == AV_CODEC_ID_AC3 ||
|
|
track->par->codec_id == AV_CODEC_ID_EAC3 ||
|
|
track->par->codec_id == AV_CODEC_ID_AMR_NB ||
|
|
track->par->codec_id == AV_CODEC_ID_ALAC ||
|
|
track->par->codec_id == AV_CODEC_ID_ADPCM_MS ||
|
|
track->par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
|
|
track->par->codec_id == AV_CODEC_ID_QDM2 ||
|
|
(mov_pcm_le_gt16(track->par->codec_id) && version==1) ||
|
|
(mov_pcm_be_gt16(track->par->codec_id) && version==1)))
|
|
ret = mov_write_wave_tag(s, pb, track);
|
|
else if (track->tag == MKTAG('m','p','4','a'))
|
|
ret = mov_write_esds_tag(pb, track);
|
|
else if (track->par->codec_id == AV_CODEC_ID_AMR_NB)
|
|
ret = mov_write_amr_tag(pb, track);
|
|
else if (track->par->codec_id == AV_CODEC_ID_AC3)
|
|
ret = mov_write_ac3_tag(s, pb, track);
|
|
else if (track->par->codec_id == AV_CODEC_ID_EAC3)
|
|
ret = mov_write_eac3_tag(s, pb, track);
|
|
else if (track->par->codec_id == AV_CODEC_ID_ALAC)
|
|
ret = mov_write_extradata_tag(pb, track);
|
|
else if (track->par->codec_id == AV_CODEC_ID_WMAPRO)
|
|
ret = mov_write_wfex_tag(s, pb, track);
|
|
else if (track->par->codec_id == AV_CODEC_ID_FLAC)
|
|
ret = mov_write_dfla_tag(pb, track);
|
|
else if (track->par->codec_id == AV_CODEC_ID_OPUS)
|
|
ret = mov_write_dops_tag(s, pb, track);
|
|
else if (track->par->codec_id == AV_CODEC_ID_TRUEHD)
|
|
ret = mov_write_dmlp_tag(s, pb, track);
|
|
else if (track->vos_len > 0)
|
|
ret = mov_write_glbl_tag(pb, track);
|
|
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
if (track->mode == MODE_MOV && track->par->codec_type == AVMEDIA_TYPE_AUDIO
|
|
&& ((ret = mov_write_chan_tag(s, pb, track)) < 0)) {
|
|
return ret;
|
|
}
|
|
|
|
if (mov->encryption_scheme != MOV_ENC_NONE
|
|
&& ((ret = ff_mov_cenc_write_sinf_tag(track, pb, mov->encryption_kid)) < 0)) {
|
|
return ret;
|
|
}
|
|
|
|
ret = update_size(pb, pos);
|
|
return ret;
|
|
}
|
|
|
|
static int mov_write_d263_tag(AVIOContext *pb)
|
|
{
|
|
avio_wb32(pb, 0xf); /* size */
|
|
ffio_wfourcc(pb, "d263");
|
|
ffio_wfourcc(pb, "FFMP");
|
|
avio_w8(pb, 0); /* decoder version */
|
|
/* FIXME use AVCodecContext level/profile, when encoder will set values */
|
|
avio_w8(pb, 0xa); /* level */
|
|
avio_w8(pb, 0); /* profile */
|
|
return 0xf;
|
|
}
|
|
|
|
static int mov_write_av1c_tag(AVIOContext *pb, MOVTrack *track)
|
|
{
|
|
int64_t pos = avio_tell(pb);
|
|
|
|
avio_wb32(pb, 0);
|
|
ffio_wfourcc(pb, "av1C");
|
|
ff_isom_write_av1c(pb, track->vos_data, track->vos_len);
|
|
return update_size(pb, pos);
|
|
}
|
|
|
|
static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
|
|
{
|
|
int64_t pos = avio_tell(pb);
|
|
|
|
avio_wb32(pb, 0);
|
|
ffio_wfourcc(pb, "avcC");
|
|
ff_isom_write_avcc(pb, track->vos_data, track->vos_len);
|
|
return update_size(pb, pos);
|
|
}
|
|
|
|
static int mov_write_vpcc_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
|
|
{
|
|
int64_t pos = avio_tell(pb);
|
|
|
|
avio_wb32(pb, 0);
|
|
ffio_wfourcc(pb, "vpcC");
|
|
avio_w8(pb, 1); /* version */
|
|
avio_wb24(pb, 0); /* flags */
|
|
ff_isom_write_vpcc(s, pb, track->par);
|
|
return update_size(pb, pos);
|
|
}
|
|
|
|
static int mov_write_hvcc_tag(AVIOContext *pb, MOVTrack *track)
|
|
{
|
|
int64_t pos = avio_tell(pb);
|
|
|
|
avio_wb32(pb, 0);
|
|
ffio_wfourcc(pb, "hvcC");
|
|
if (track->tag == MKTAG('h','v','c','1'))
|
|
ff_isom_write_hvcc(pb, track->vos_data, track->vos_len, 1);
|
|
else
|
|
ff_isom_write_hvcc(pb, track->vos_data, track->vos_len, 0);
|
|
return update_size(pb, pos);
|
|
}
|
|
|
|
/* also used by all avid codecs (dv, imx, meridien) and their variants */
|
|
static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
|
|
{
|
|
int i;
|
|
int interlaced;
|
|
int cid;
|
|
int display_width = track->par->width;
|
|
|
|
if (track->vos_data && track->vos_len > 0x29) {
|
|
if (ff_dnxhd_parse_header_prefix(track->vos_data) != 0) {
|
|
/* looks like a DNxHD bit stream */
|
|
interlaced = (track->vos_data[5] & 2);
|
|
cid = AV_RB32(track->vos_data + 0x28);
|
|
} else {
|
|
av_log(NULL, AV_LOG_WARNING, "Could not locate DNxHD bit stream in vos_data\n");
|
|
return 0;
|
|
}
|
|
} else {
|
|
av_log(NULL, AV_LOG_WARNING, "Could not locate DNxHD bit stream, vos_data too small\n");
|
|
return 0;
|
|
}
|
|
|
|
avio_wb32(pb, 24); /* size */
|
|
ffio_wfourcc(pb, "ACLR");
|
|
ffio_wfourcc(pb, "ACLR");
|
|
ffio_wfourcc(pb, "0001");
|
|
if (track->par->color_range == AVCOL_RANGE_MPEG || /* Legal range (16-235) */
|
|
track->par->color_range == AVCOL_RANGE_UNSPECIFIED) {
|
|
avio_wb32(pb, 1); /* Corresponds to 709 in official encoder */
|
|
} else { /* Full range (0-255) */
|
|
avio_wb32(pb, 2); /* Corresponds to RGB in official encoder */
|
|
}
|
|
avio_wb32(pb, 0); /* unknown */
|
|
|
|
if (track->tag == MKTAG('A','V','d','h')) {
|
|
avio_wb32(pb, 32);
|
|
ffio_wfourcc(pb, "ADHR");
|
|
ffio_wfourcc(pb, "0001");
|
|
avio_wb32(pb, cid);
|
|
avio_wb32(pb, 0); /* unknown */
|
|
avio_wb32(pb, 1); /* unknown */
|
|
avio_wb32(pb, 0); /* unknown */
|
|
avio_wb32(pb, 0); /* unknown */
|
|
return 0;
|
|
}
|
|
|
|
avio_wb32(pb, 24); /* size */
|
|
ffio_wfourcc(pb, "APRG");
|
|
ffio_wfourcc(pb, "APRG");
|
|
ffio_wfourcc(pb, "0001");
|
|
avio_wb32(pb, 1); /* unknown */
|
|
avio_wb32(pb, 0); /* unknown */
|
|
|
|
avio_wb32(pb, 120); /* size */
|
|
ffio_wfourcc(pb, "ARES");
|
|
ffio_wfourcc(pb, "ARES");
|
|
ffio_wfourcc(pb, "0001");
|
|
avio_wb32(pb, cid); /* dnxhd cid, some id ? */
|
|
if ( track->par->sample_aspect_ratio.num > 0
|
|
&& track->par->sample_aspect_ratio.den > 0)
|
|
display_width = display_width * track->par->sample_aspect_ratio.num / track->par->sample_aspect_ratio.den;
|
|
avio_wb32(pb, display_width);
|
|
/* values below are based on samples created with quicktime and avid codecs */
|
|
if (interlaced) {
|
|
avio_wb32(pb, track->par->height / 2);
|
|
avio_wb32(pb, 2); /* unknown */
|
|
avio_wb32(pb, 0); /* unknown */
|
|
avio_wb32(pb, 4); /* unknown */
|
|
} else {
|
|
avio_wb32(pb, track->par->height);
|
|
avio_wb32(pb, 1); /* unknown */
|
|
avio_wb32(pb, 0); /* unknown */
|
|
if (track->par->height == 1080)
|
|
avio_wb32(pb, 5); /* unknown */
|
|
else
|
|
avio_wb32(pb, 6); /* unknown */
|
|
}
|
|
/* padding */
|
|
for (i = 0; i < 10; i++)
|
|
avio_wb64(pb, 0);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int mov_write_dpxe_tag(AVIOContext *pb, MOVTrack *track)
|
|
{
|
|
avio_wb32(pb, 12);
|
|
ffio_wfourcc(pb, "DpxE");
|
|
if (track->par->extradata_size >= 12 &&
|
|
!memcmp(&track->par->extradata[4], "DpxE", 4)) {
|
|
avio_wb32(pb, track->par->extradata[11]);
|
|
} else {
|
|
avio_wb32(pb, 1);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
|
|
{
|
|
int tag;
|
|
|
|
if (track->par->width == 720) { /* SD */
|
|
if (track->par->height == 480) { /* NTSC */
|
|
if (track->par->format == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
|
|
else tag = MKTAG('d','v','c',' ');
|
|
}else if (track->par->format == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
|
|
else if (track->par->format == AV_PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
|
|
else tag = MKTAG('d','v','p','p');
|
|
} else if (track->par->height == 720) { /* HD 720 line */
|
|
if (track->st->time_base.den == 50) tag = MKTAG('d','v','h','q');
|
|
else tag = MKTAG('d','v','h','p');
|
|
} else if (track->par->height == 1080) { /* HD 1080 line */
|
|
if (track->st->time_base.den == 25) tag = MKTAG('d','v','h','5');
|
|
else tag = MKTAG('d','v','h','6');
|
|
} else {
|
|
av_log(s, AV_LOG_ERROR, "unsupported height for dv codec\n");
|
|
return 0;
|
|
}
|
|
|
|
return tag;
|
|
}
|
|
|
|
static AVRational find_fps(AVFormatContext *s, AVStream *st)
|
|
{
|
|
AVRational rate = st->avg_frame_rate;
|
|
|
|
#if FF_API_LAVF_AVCTX
|
|
FF_DISABLE_DEPRECATION_WARNINGS
|
|
rate = av_inv_q(st->codec->time_base);
|
|
if (av_timecode_check_frame_rate(rate) < 0) {
|
|
av_log(s, AV_LOG_DEBUG, "timecode: tbc=%d/%d invalid, fallback on %d/%d\n",
|
|
rate.num, rate.den, st->avg_frame_rate.num, st->avg_frame_rate.den);
|
|
rate = st->avg_frame_rate;
|
|
}
|
|
FF_ENABLE_DEPRECATION_WARNINGS
|
|
#endif
|
|
|
|
return rate;
|
|
}
|
|
|
|
static int defined_frame_rate(AVFormatContext *s, AVStream *st)
|
|
{
|
|
AVRational rational_framerate = find_fps(s, st);
|
|
int rate = 0;
|
|
if (rational_framerate.den != 0)
|
|
rate = av_q2d(rational_framerate);
|
|
return rate;
|
|
}
|
|
|
|
static int mov_get_mpeg2_xdcam_codec_tag(AVFormatContext *s, MOVTrack *track)
|
|
{
|
|
int tag = track->par->codec_tag;
|
|
int interlaced = track->par->field_order > AV_FIELD_PROGRESSIVE;
|
|
AVStream *st = track->st;
|
|
int rate = defined_frame_rate(s, st);
|
|
|
|
if (!tag)
|
|
tag = MKTAG('m', '2', 'v', '1'); //fallback tag
|
|
|
|
if (track->par->format == AV_PIX_FMT_YUV420P) {
|
|
if (track->par->width == 1280 && track->par->height == 720) {
|
|
if (!interlaced) {
|
|
if (rate == 24) tag = MKTAG('x','d','v','4');
|
|
else if (rate == 25) tag = MKTAG('x','d','v','5');
|
|
else if (rate == 30) tag = MKTAG('x','d','v','1');
|
|
else if (rate == 50) tag = MKTAG('x','d','v','a');
|
|
else if (rate == 60) tag = MKTAG('x','d','v','9');
|
|
}
|
|
} else if (track->par->width == 1440 && track->par->height == 1080) {
|
|
if (!interlaced) {
|
|
if (rate == 24) tag = MKTAG('x','d','v','6');
|
|
else if (rate == 25) tag = MKTAG('x','d','v','7');
|
|
else if (rate == 30) tag = MKTAG('x','d','v','8');
|
|
} else {
|
|
if (rate == 25) tag = MKTAG('x','d','v','3');
|
|
else if (rate == 30) tag = MKTAG('x','d','v','2');
|
|
}
|
|
} else if (track->par->width == 1920 && track->par->height == 1080) {
|
|
if (!interlaced) {
|
|
if (rate == 24) tag = MKTAG('x','d','v','d');
|
|
else if (rate == 25) tag = MKTAG('x','d','v','e');
|
|
else if (rate == 30) tag = MKTAG('x','d','v','f');
|
|
} else {
|
|
if (rate == 25) tag = MKTAG('x','d','v','c');
|
|
else if (rate == 30) tag = MKTAG('x','d','v','b');
|
|
}
|
|
}
|
|
} else if (track->par->format == AV_PIX_FMT_YUV422P) {
|
|
if (track->par->width == 1280 && track->par->height == 720) {
|
|
if (!interlaced) {
|
|
if (rate == 24) tag = MKTAG('x','d','5','4');
|
|
else if (rate == 25) tag = MKTAG('x','d','5','5');
|
|
else if (rate == 30) tag = MKTAG('x','d','5','1');
|
|
else if (rate == 50) tag = MKTAG('x','d','5','a');
|
|
else if (rate == 60) tag = MKTAG('x','d','5','9');
|
|
}
|
|
} else if (track->par->width == 1920 && track->par->height == 1080) {
|
|
if (!interlaced) {
|
|
if (rate == 24) tag = MKTAG('x','d','5','d');
|
|
else if (rate == 25) tag = MKTAG('x','d','5','e');
|
|
else if (rate == 30) tag = MKTAG('x','d','5','f');
|
|
} else {
|
|
if (rate == 25) tag = MKTAG('x','d','5','c');
|
|
else if (rate == 30) tag = MKTAG('x','d','5','b');
|
|
}
|
|
}
|
|
}
|
|
|
|
return tag;
|
|
}
|
|
|
|
static int mov_get_h264_codec_tag(AVFormatContext *s, MOVTrack *track)
|
|
{
|
|
int tag = track->par->codec_tag;
|
|
int interlaced = track->par->field_order > AV_FIELD_PROGRESSIVE;
|
|
AVStream *st = track->st;
|
|
int rate = defined_frame_rate(s, st);
|
|
|
|
if (!tag)
|
|
tag = MKTAG('a', 'v', 'c', 'i'); //fallback tag
|
|
|
|
if (track->par->format == AV_PIX_FMT_YUV420P10) {
|
|
if (track->par->width == 960 && track->par->height == 720) {
|
|
if (!interlaced) {
|
|
if (rate == 24) tag = MKTAG('a','i','5','p');
|
|
else if (rate == 25) tag = MKTAG('a','i','5','q');
|
|
else if (rate == 30) tag = MKTAG('a','i','5','p');
|
|
else if (rate == 50) tag = MKTAG('a','i','5','q');
|
|
else if (rate == 60) tag = MKTAG('a','i','5','p');
|
|
}
|
|
} else if (track->par->width == 1440 && track->par->height == 1080) {
|
|
if (!interlaced) {
|
|
if (rate == 24) tag = MKTAG('a','i','5','3');
|
|
else if (rate == 25) tag = MKTAG('a','i','5','2');
|
|
else if (rate == 30) tag = MKTAG('a','i','5','3');
|
|
} else {
|
|
if (rate == 50) tag = MKTAG('a','i','5','5');
|
|
else if (rate == 60) tag = MKTAG('a','i','5','6');
|
|
}
|
|
}
|
|
} else if (track->par->format == AV_PIX_FMT_YUV422P10) {
|
|
if (track->par->width == 1280 && track->par->height == 720) {
|
|
if (!interlaced) {
|
|
if (rate == 24) tag = MKTAG('a','i','1','p');
|
|
else if (rate == 25) tag = MKTAG('a','i','1','q');
|
|
else if (rate == 30) tag = MKTAG('a','i','1','p');
|
|
else if (rate == 50) tag = MKTAG('a','i','1','q');
|
|
else if (rate == 60) tag = MKTAG('a','i','1','p');
|
|
}
|
|
} else if (track->par->width == 1920 && track->par->height == 1080) {
|
|
if (!interlaced) {
|
|
if (rate == 24) tag = MKTAG('a','i','1','3');
|
|
else if (rate == 25) tag = MKTAG('a','i','1','2');
|
|
else if (rate == 30) tag = MKTAG('a','i','1','3');
|
|
} else {
|
|
if (rate == 25) tag = MKTAG('a','i','1','5');
|
|
else if (rate == 50) tag = MKTAG('a','i','1','5');
|
|
else if (rate == 60) tag = MKTAG('a','i','1','6');
|
|
}
|
|
} else if ( track->par->width == 4096 && track->par->height == 2160
|
|
|| track->par->width == 3840 && track->par->height == 2160
|
|
|| track->par->width == 2048 && track->par->height == 1080) {
|
|
tag = MKTAG('a','i','v','x');
|
|
}
|
|
}
|
|
|
|
return tag;
|
|
}
|
|
|
|
static const struct {
|
|
enum AVPixelFormat pix_fmt;
|
|
uint32_t tag;
|
|
unsigned bps;
|
|
} mov_pix_fmt_tags[] = {
|
|
{ AV_PIX_FMT_YUYV422, MKTAG('y','u','v','2'), 0 },
|
|
{ AV_PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
|
|
{ AV_PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
|
|
{ AV_PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 },
|
|
{ AV_PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
|
|
{ AV_PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
|
|
{ AV_PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
|
|
{ AV_PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 },
|
|
{ AV_PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
|
|
{ AV_PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
|
|
{ AV_PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
|
|
{ AV_PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
|
|
{ AV_PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
|
|
{ AV_PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 },
|
|
{ AV_PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
|
|
};
|
|
|
|
static int mov_get_dnxhd_codec_tag(AVFormatContext *s, MOVTrack *track)
|
|
{
|
|
int tag = MKTAG('A','V','d','n');
|
|
if (track->par->profile != FF_PROFILE_UNKNOWN &&
|
|
track->par->profile != FF_PROFILE_DNXHD)
|
|
tag = MKTAG('A','V','d','h');
|
|
return tag;
|
|
}
|
|
|
|
static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
|
|
{
|
|
int tag = track->par->codec_tag;
|
|
int i;
|
|
enum AVPixelFormat pix_fmt;
|
|
|
|
for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
|
|
if (track->par->format == mov_pix_fmt_tags[i].pix_fmt) {
|
|
tag = mov_pix_fmt_tags[i].tag;
|
|
track->par->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
|
|
if (track->par->codec_tag == mov_pix_fmt_tags[i].tag)
|
|
break;
|
|
}
|
|
}
|
|
|
|
pix_fmt = avpriv_find_pix_fmt(avpriv_pix_fmt_bps_mov,
|
|
track->par->bits_per_coded_sample);
|
|
if (tag == MKTAG('r','a','w',' ') &&
|
|
track->par->format != pix_fmt &&
|
|
track->par->format != AV_PIX_FMT_GRAY8 &&
|
|
track->par->format != AV_PIX_FMT_NONE)
|
|
av_log(s, AV_LOG_ERROR, "%s rawvideo cannot be written to mov, output file will be unreadable\n",
|
|
av_get_pix_fmt_name(track->par->format));
|
|
return tag;
|
|
}
|
|
|
|
static unsigned int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
|
|
{
|
|
unsigned int tag = track->par->codec_tag;
|
|
|
|
if (!tag || (s->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
|
|
(track->par->codec_id == AV_CODEC_ID_DVVIDEO ||
|
|
track->par->codec_id == AV_CODEC_ID_RAWVIDEO ||
|
|
track->par->codec_id == AV_CODEC_ID_H263 ||
|
|
track->par->codec_id == AV_CODEC_ID_H264 ||
|
|
track->par->codec_id == AV_CODEC_ID_DNXHD ||
|
|
track->par->codec_id == AV_CODEC_ID_MPEG2VIDEO ||
|
|
av_get_bits_per_sample(track->par->codec_id)))) { // pcm audio
|
|
if (track->par->codec_id == AV_CODEC_ID_DVVIDEO)
|
|
tag = mov_get_dv_codec_tag(s, track);
|
|
else if (track->par->codec_id == AV_CODEC_ID_RAWVIDEO)
|
|
tag = mov_get_rawvideo_codec_tag(s, track);
|
|
else if (track->par->codec_id == AV_CODEC_ID_MPEG2VIDEO)
|
|
tag = mov_get_mpeg2_xdcam_codec_tag(s, track);
|
|
else if (track->par->codec_id == AV_CODEC_ID_H264)
|
|
tag = mov_get_h264_codec_tag(s, track);
|
|
else if (track->par->codec_id == AV_CODEC_ID_DNXHD)
|
|
tag = mov_get_dnxhd_codec_tag(s, track);
|
|
else if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
|
|
tag = ff_codec_get_tag(ff_codec_movvideo_tags, track->par->codec_id);
|
|
if (!tag) { // if no mac fcc found, try with Microsoft tags
|
|
tag = ff_codec_get_tag(ff_codec_bmp_tags, track->par->codec_id);
|
|
if (tag)
|
|
av_log(s, AV_LOG_WARNING, "Using MS style video codec tag, "
|
|
"the file may be unplayable!\n");
|
|
}
|
|
} else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
|
|
tag = ff_codec_get_tag(ff_codec_movaudio_tags, track->par->codec_id);
|
|
if (!tag) { // if no mac fcc found, try with Microsoft tags
|
|
int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->par->codec_id);
|
|
if (ms_tag) {
|
|
tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
|
|
av_log(s, AV_LOG_WARNING, "Using MS style audio codec tag, "
|
|
"the file may be unplayable!\n");
|
|
}
|
|
}
|
|
} else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE)
|
|
tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->par->codec_id);
|
|
}
|
|
|
|
return tag;
|
|
}
|
|
|
|
static const AVCodecTag codec_cover_image_tags[] = {
|
|
{ AV_CODEC_ID_MJPEG, 0xD },
|
|
{ AV_CODEC_ID_PNG, 0xE },
|
|
{ AV_CODEC_ID_BMP, 0x1B },
|
|
{ AV_CODEC_ID_NONE, 0 },
|
|
};
|
|
|
|
static unsigned int validate_codec_tag(const AVCodecTag *const *tags,
|
|
unsigned int tag, int codec_id)
|
|
{
|
|
int i;
|
|
|
|
/**
|
|
* Check that tag + id is in the table
|
|
*/
|
|
for (i = 0; tags && tags[i]; i++) {
|
|
const AVCodecTag *codec_tags = tags[i];
|
|
while (codec_tags->id != AV_CODEC_ID_NONE) {
|
|
if (avpriv_toupper4(codec_tags->tag) == avpriv_toupper4(tag) &&
|
|
codec_tags->id == codec_id)
|
|
return codec_tags->tag;
|
|
codec_tags++;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static unsigned int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
|
|
{
|
|
if (is_cover_image(track->st))
|
|
return ff_codec_get_tag(codec_cover_image_tags, track->par->codec_id);
|
|
|
|
if (track->mode == MODE_IPOD)
|
|
if (!av_match_ext(s->url, "m4a") &&
|
|
!av_match_ext(s->url, "m4v") &&
|
|
!av_match_ext(s->url, "m4b"))
|
|
av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
|
|
"Quicktime/Ipod might not play the file\n");
|
|
|
|
if (track->mode == MODE_MOV) {
|
|
return mov_get_codec_tag(s, track);
|
|
} else
|
|
return validate_codec_tag(s->oformat->codec_tag, track->par->codec_tag,
|
|
track->par->codec_id);
|
|
}
|
|
|
|
/** Write uuid atom.
|
|
* Needed to make file play in iPods running newest firmware
|
|
* goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
|
|
*/
|
|
static int mov_write_uuid_tag_ipod(AVIOContext *pb)
|
|
{
|
|
avio_wb32(pb, 28);
|
|
ffio_wfourcc(pb, "uuid");
|
|
avio_wb32(pb, 0x6b6840f2);
|
|
avio_wb32(pb, 0x5f244fc5);
|
|
avio_wb32(pb, 0xba39a51b);
|
|
avio_wb32(pb, 0xcf0323f3);
|
|
avio_wb32(pb, 0x0);
|
|
return 28;
|
|
}
|
|
|
|
static const uint16_t fiel_data[] = {
|
|
0x0000, 0x0100, 0x0201, 0x0206, 0x0209, 0x020e
|
|
};
|
|
|
|
static int mov_write_fiel_tag(AVIOContext *pb, MOVTrack *track, int field_order)
|
|
{
|
|
unsigned mov_field_order = 0;
|
|
if (field_order < FF_ARRAY_ELEMS(fiel_data))
|
|
mov_field_order = fiel_data[field_order];
|
|
else
|
|
return 0;
|
|
avio_wb32(pb, 10);
|
|
ffio_wfourcc(pb, "fiel");
|
|
avio_wb16(pb, mov_field_order);
|
|
return 10;
|
|
}
|
|
|
|
static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
|
|
{
|
|
int64_t pos = avio_tell(pb);
|
|
avio_wb32(pb, 0); /* size */
|
|
avio_wl32(pb, track->tag); // store it byteswapped
|
|
avio_wb32(pb, 0); /* Reserved */
|
|
avio_wb16(pb, 0); /* Reserved */
|
|
avio_wb16(pb, 1); /* Data-reference index */
|
|
|
|
if (track->par->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
|
|
mov_write_esds_tag(pb, track);
|
|
else if (track->par->extradata_size)
|
|
avio_write(pb, track->par->extradata, track->par->extradata_size);
|
|
|
|
return update_size(pb, pos);
|
|
}
|
|
|
|
static int mov_write_st3d_tag(AVFormatContext *s, AVIOContext *pb, AVStereo3D *stereo_3d)
|
|
{
|
|
int8_t stereo_mode;
|
|
|
|
if (stereo_3d->flags != 0) {
|
|
av_log(s, AV_LOG_WARNING, "Unsupported stereo_3d flags %x. st3d not written.\n", stereo_3d->flags);
|
|
return 0;
|
|
}
|
|
|
|
switch (stereo_3d->type) {
|
|
case AV_STEREO3D_2D:
|
|
stereo_mode = 0;
|
|
break;
|
|
case AV_STEREO3D_TOPBOTTOM:
|
|
stereo_mode = 1;
|
|
break;
|
|
case AV_STEREO3D_SIDEBYSIDE:
|
|
stereo_mode = 2;
|
|
break;
|
|
default:
|
|
av_log(s, AV_LOG_WARNING, "Unsupported stereo_3d type %s. st3d not written.\n", av_stereo3d_type_name(stereo_3d->type));
|
|
return 0;
|
|
}
|
|
avio_wb32(pb, 13); /* size */
|
|
ffio_wfourcc(pb, "st3d");
|
|
avio_wb32(pb, 0); /* version = 0 & flags = 0 */
|
|
avio_w8(pb, stereo_mode);
|
|
return 13;
|
|
}
|
|
|
|
static int mov_write_sv3d_tag(AVFormatContext *s, AVIOContext *pb, AVSphericalMapping *spherical_mapping)
|
|
{
|
|
int64_t sv3d_pos, svhd_pos, proj_pos;
|
|
const char* metadata_source = s->flags & AVFMT_FLAG_BITEXACT ? "Lavf" : LIBAVFORMAT_IDENT;
|
|
|
|
if (spherical_mapping->projection != AV_SPHERICAL_EQUIRECTANGULAR &&
|
|
spherical_mapping->projection != AV_SPHERICAL_EQUIRECTANGULAR_TILE &&
|
|
spherical_mapping->projection != AV_SPHERICAL_CUBEMAP) {
|
|
av_log(s, AV_LOG_WARNING, "Unsupported projection %d. sv3d not written.\n", spherical_mapping->projection);
|
|
return 0;
|
|
}
|
|
|
|
sv3d_pos = avio_tell(pb);
|
|
avio_wb32(pb, 0); /* size */
|
|
ffio_wfourcc(pb, "sv3d");
|
|
|
|
svhd_pos = avio_tell(pb);
|
|
avio_wb32(pb, 0); /* size */
|
|
ffio_wfourcc(pb, "svhd");
|
|
avio_wb32(pb, 0); /* version = 0 & flags = 0 */
|
|
avio_put_str(pb, metadata_source);
|
|
update_size(pb, svhd_pos);
|
|
|
|
proj_pos = avio_tell(pb);
|
|
avio_wb32(pb, 0); /* size */
|
|
ffio_wfourcc(pb, "proj");
|
|
|
|
avio_wb32(pb, 24); /* size */
|
|
ffio_wfourcc(pb, "prhd");
|
|
avio_wb32(pb, 0); /* version = 0 & flags = 0 */
|
|
avio_wb32(pb, spherical_mapping->yaw);
|
|
avio_wb32(pb, spherical_mapping->pitch);
|
|
avio_wb32(pb, spherical_mapping->roll);
|
|
|
|
switch (spherical_mapping->projection) {
|
|
case AV_SPHERICAL_EQUIRECTANGULAR:
|
|
case AV_SPHERICAL_EQUIRECTANGULAR_TILE:
|
|
avio_wb32(pb, 28); /* size */
|
|
ffio_wfourcc(pb, "equi");
|
|
avio_wb32(pb, 0); /* version = 0 & flags = 0 */
|
|
avio_wb32(pb, spherical_mapping->bound_top);
|
|
avio_wb32(pb, spherical_mapping->bound_bottom);
|
|
avio_wb32(pb, spherical_mapping->bound_left);
|
|
avio_wb32(pb, spherical_mapping->bound_right);
|
|
break;
|
|
case AV_SPHERICAL_CUBEMAP:
|
|
avio_wb32(pb, 20); /* size */
|
|
ffio_wfourcc(pb, "cbmp");
|
|
avio_wb32(pb, 0); /* version = 0 & flags = 0 */
|
|
avio_wb32(pb, 0); /* layout */
|
|
avio_wb32(pb, spherical_mapping->padding); /* padding */
|
|
break;
|
|
}
|
|
update_size(pb, proj_pos);
|
|
|
|
return update_size(pb, sv3d_pos);
|
|
}
|
|
|
|
static int mov_write_dvcc_dvvc_tag(AVFormatContext *s, AVIOContext *pb, AVDOVIDecoderConfigurationRecord *dovi)
|
|
{
|
|
avio_wb32(pb, 32); /* size = 8 + 24 */
|
|
if (dovi->dv_profile > 7)
|
|
ffio_wfourcc(pb, "dvvC");
|
|
else
|
|
ffio_wfourcc(pb, "dvcC");
|
|
avio_w8(pb, dovi->dv_version_major);
|
|
avio_w8(pb, dovi->dv_version_minor);
|
|
avio_wb16(pb, (dovi->dv_profile << 9) | (dovi->dv_level << 3) |
|
|
(dovi->rpu_present_flag << 2) | (dovi->el_present_flag << 1) |
|
|
dovi->bl_present_flag);
|
|
avio_wb32(pb, (dovi->dv_bl_signal_compatibility_id << 28) | 0);
|
|
|
|
avio_wb32(pb, 0); /* reserved */
|
|
avio_wb32(pb, 0); /* reserved */
|
|
avio_wb32(pb, 0); /* reserved */
|
|
avio_wb32(pb, 0); /* reserved */
|
|
av_log(s, AV_LOG_DEBUG, "DOVI in %s box, version: %d.%d, profile: %d, level: %d, "
|
|
"rpu flag: %d, el flag: %d, bl flag: %d, compatibility id: %d\n",
|
|
dovi->dv_profile > 7 ? "dvvC" : "dvcC",
|
|
dovi->dv_version_major, dovi->dv_version_minor,
|
|
dovi->dv_profile, dovi->dv_level,
|
|
dovi->rpu_present_flag,
|
|
dovi->el_present_flag,
|
|
dovi->bl_present_flag,
|
|
dovi->dv_bl_signal_compatibility_id);
|
|
return 32; /* 8 + 24 */
|
|
}
|
|
|
|
static int mov_write_clap_tag(AVIOContext *pb, MOVTrack *track)
|
|
{
|
|
avio_wb32(pb, 40);
|
|
ffio_wfourcc(pb, "clap");
|
|
avio_wb32(pb, track->par->width); /* apertureWidth_N */
|
|
avio_wb32(pb, 1); /* apertureWidth_D (= 1) */
|
|
avio_wb32(pb, track->height); /* apertureHeight_N */
|
|
avio_wb32(pb, 1); /* apertureHeight_D (= 1) */
|
|
avio_wb32(pb, 0); /* horizOff_N (= 0) */
|
|
avio_wb32(pb, 1); /* horizOff_D (= 1) */
|
|
avio_wb32(pb, 0); /* vertOff_N (= 0) */
|
|
avio_wb32(pb, 1); /* vertOff_D (= 1) */
|
|
return 40;
|
|
}
|
|
|
|
static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
|
|
{
|
|
AVRational sar;
|
|
av_reduce(&sar.num, &sar.den, track->par->sample_aspect_ratio.num,
|
|
track->par->sample_aspect_ratio.den, INT_MAX);
|
|
|
|
avio_wb32(pb, 16);
|
|
ffio_wfourcc(pb, "pasp");
|
|
avio_wb32(pb, sar.num);
|
|
avio_wb32(pb, sar.den);
|
|
return 16;
|
|
}
|
|
|
|
static int mov_write_gama_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track, double gamma)
|
|
{
|
|
uint32_t gama = 0;
|
|
if (gamma <= 0.0) {
|
|
gamma = avpriv_get_gamma_from_trc(track->par->color_trc);
|
|
}
|
|
av_log(s, AV_LOG_DEBUG, "gamma value %g\n", gamma);
|
|
|
|
if (gamma > 1e-6) {
|
|
gama = (uint32_t)lrint((double)(1<<16) * gamma);
|
|
av_log(s, AV_LOG_DEBUG, "writing gama value %"PRId32"\n", gama);
|
|
|
|
av_assert0(track->mode == MODE_MOV);
|
|
avio_wb32(pb, 12);
|
|
ffio_wfourcc(pb, "gama");
|
|
avio_wb32(pb, gama);
|
|
return 12;
|
|
} else {
|
|
av_log(s, AV_LOG_WARNING, "gamma value unknown, unable to write gama atom\n");
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int mov_write_colr_tag(AVIOContext *pb, MOVTrack *track, int prefer_icc)
|
|
{
|
|
int64_t pos = avio_tell(pb);
|
|
|
|
// Ref (MOV): https://developer.apple.com/library/mac/technotes/tn2162/_index.html#//apple_ref/doc/uid/DTS40013070-CH1-TNTAG9
|
|
// Ref (MP4): ISO/IEC 14496-12:2012
|
|
|
|
const uint8_t *icc_profile;
|
|
int icc_profile_size;
|
|
|
|
if (prefer_icc) {
|
|
icc_profile = av_stream_get_side_data(track->st, AV_PKT_DATA_ICC_PROFILE, &icc_profile_size);
|
|
|
|
if (icc_profile) {
|
|
avio_wb32(pb, 12 + icc_profile_size);
|
|
ffio_wfourcc(pb, "colr");
|
|
ffio_wfourcc(pb, "prof");
|
|
avio_write(pb, icc_profile, icc_profile_size);
|
|
return 12 + icc_profile_size;
|
|
}
|
|
else {
|
|
av_log(NULL, AV_LOG_INFO, "no ICC profile found, will write nclx/nclc colour info instead\n");
|
|
}
|
|
}
|
|
|
|
/* We should only ever be called by MOV or MP4. */
|
|
av_assert0(track->mode == MODE_MOV || track->mode == MODE_MP4);
|
|
|
|
avio_wb32(pb, 0); /* size */
|
|
ffio_wfourcc(pb, "colr");
|
|
if (track->mode == MODE_MP4)
|
|
ffio_wfourcc(pb, "nclx");
|
|
else
|
|
ffio_wfourcc(pb, "nclc");
|
|
// Do not try to guess the color info if it is AVCOL_PRI_UNSPECIFIED.
|
|
// e.g., Dolby Vision for Apple devices should be set to AVCOL_PRI_UNSPECIFIED. See
|
|
// https://developer.apple.com/av-foundation/High-Dynamic-Range-Metadata-for-Apple-Devices.pdf
|
|
avio_wb16(pb, track->par->color_primaries);
|
|
avio_wb16(pb, track->par->color_trc);
|
|
avio_wb16(pb, track->par->color_space);
|
|
if (track->mode == MODE_MP4) {
|
|
int full_range = track->par->color_range == AVCOL_RANGE_JPEG;
|
|
avio_w8(pb, full_range << 7);
|
|
}
|
|
|
|
return update_size(pb, pos);
|
|
}
|
|
|
|
static int mov_write_clli_tag(AVIOContext *pb, MOVTrack *track)
|
|
{
|
|
const uint8_t *side_data;
|
|
const AVContentLightMetadata *content_light_metadata;
|
|
|
|
side_data = av_stream_get_side_data(track->st, AV_PKT_DATA_CONTENT_LIGHT_LEVEL, NULL);
|
|
if (!side_data) {
|
|
av_log(NULL, AV_LOG_VERBOSE, "Not writing 'clli' atom. No content light level info.\n");
|
|
return 0;
|
|
}
|
|
content_light_metadata = (const AVContentLightMetadata*)side_data;
|
|
|
|
avio_wb32(pb, 12); // size
|
|
ffio_wfourcc(pb, "clli");
|
|
avio_wb16(pb, content_light_metadata->MaxCLL);
|
|
avio_wb16(pb, content_light_metadata->MaxFALL);
|
|
return 12;
|
|
}
|
|
|
|
static inline int64_t rescale_mdcv(AVRational q, int b)
|
|
{
|
|
return av_rescale(q.num, b, q.den);
|
|
}
|
|
|
|
static int mov_write_mdcv_tag(AVIOContext *pb, MOVTrack *track)
|
|
{
|
|
const int chroma_den = 50000;
|
|
const int luma_den = 10000;
|
|
const uint8_t *side_data;
|
|
const AVMasteringDisplayMetadata *metadata;
|
|
|
|
side_data = av_stream_get_side_data(track->st, AV_PKT_DATA_MASTERING_DISPLAY_METADATA, NULL);
|
|
metadata = (const AVMasteringDisplayMetadata*)side_data;
|
|
if (!metadata || !metadata->has_primaries || !metadata->has_luminance) {
|
|
av_log(NULL, AV_LOG_VERBOSE, "Not writing 'mdcv' atom. Missing mastering metadata.\n");
|
|
return 0;
|
|
}
|
|
|
|
avio_wb32(pb, 32); // size
|
|
ffio_wfourcc(pb, "mdcv");
|
|
avio_wb16(pb, rescale_mdcv(metadata->display_primaries[1][0], chroma_den));
|
|
avio_wb16(pb, rescale_mdcv(metadata->display_primaries[1][1], chroma_den));
|
|
avio_wb16(pb, rescale_mdcv(metadata->display_primaries[2][0], chroma_den));
|
|
avio_wb16(pb, rescale_mdcv(metadata->display_primaries[2][1], chroma_den));
|
|
avio_wb16(pb, rescale_mdcv(metadata->display_primaries[0][0], chroma_den));
|
|
avio_wb16(pb, rescale_mdcv(metadata->display_primaries[0][1], chroma_den));
|
|
avio_wb16(pb, rescale_mdcv(metadata->white_point[0], chroma_den));
|
|
avio_wb16(pb, rescale_mdcv(metadata->white_point[1], chroma_den));
|
|
avio_wb32(pb, rescale_mdcv(metadata->max_luminance, luma_den));
|
|
avio_wb32(pb, rescale_mdcv(metadata->min_luminance, luma_den));
|
|
return 32;
|
|
}
|
|
|
|
static void find_compressor(char * compressor_name, int len, MOVTrack *track)
|
|
{
|
|
AVDictionaryEntry *encoder;
|
|
int xdcam_res = (track->par->width == 1280 && track->par->height == 720)
|
|
|| (track->par->width == 1440 && track->par->height == 1080)
|
|
|| (track->par->width == 1920 && track->par->height == 1080);
|
|
|
|
if (track->mode == MODE_MOV &&
|
|
(encoder = av_dict_get(track->st->metadata, "encoder", NULL, 0))) {
|
|
av_strlcpy(compressor_name, encoder->value, 32);
|
|
} else if (track->par->codec_id == AV_CODEC_ID_MPEG2VIDEO && xdcam_res) {
|
|
int interlaced = track->par->field_order > AV_FIELD_PROGRESSIVE;
|
|
AVStream *st = track->st;
|
|
int rate = defined_frame_rate(NULL, st);
|
|
av_strlcatf(compressor_name, len, "XDCAM");
|
|
if (track->par->format == AV_PIX_FMT_YUV422P) {
|
|
av_strlcatf(compressor_name, len, " HD422");
|
|
} else if(track->par->width == 1440) {
|
|
av_strlcatf(compressor_name, len, " HD");
|
|
} else
|
|
av_strlcatf(compressor_name, len, " EX");
|
|
|
|
av_strlcatf(compressor_name, len, " %d%c", track->par->height, interlaced ? 'i' : 'p');
|
|
|
|
av_strlcatf(compressor_name, len, "%d", rate * (interlaced + 1));
|
|
}
|
|
}
|
|
|
|
static int mov_write_video_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
|
|
{
|
|
int64_t pos = avio_tell(pb);
|
|
char compressor_name[32] = { 0 };
|
|
int avid = 0;
|
|
|
|
int uncompressed_ycbcr = ((track->par->codec_id == AV_CODEC_ID_RAWVIDEO && track->par->format == AV_PIX_FMT_UYVY422)
|
|
|| (track->par->codec_id == AV_CODEC_ID_RAWVIDEO && track->par->format == AV_PIX_FMT_YUYV422)
|
|
|| track->par->codec_id == AV_CODEC_ID_V308
|
|
|| track->par->codec_id == AV_CODEC_ID_V408
|
|
|| track->par->codec_id == AV_CODEC_ID_V410
|
|
|| track->par->codec_id == AV_CODEC_ID_V210);
|
|
|
|
avio_wb32(pb, 0); /* size */
|
|
if (mov->encryption_scheme != MOV_ENC_NONE) {
|
|
ffio_wfourcc(pb, "encv");
|
|
} else {
|
|
avio_wl32(pb, track->tag); // store it byteswapped
|
|
}
|
|
avio_wb32(pb, 0); /* Reserved */
|
|
avio_wb16(pb, 0); /* Reserved */
|
|
avio_wb16(pb, 1); /* Data-reference index */
|
|
|
|
if (uncompressed_ycbcr) {
|
|
avio_wb16(pb, 2); /* Codec stream version */
|
|
} else {
|
|
avio_wb16(pb, 0); /* Codec stream version */
|
|
}
|
|
avio_wb16(pb, 0); /* Codec stream revision (=0) */
|
|
if (track->mode == MODE_MOV) {
|
|
ffio_wfourcc(pb, "FFMP"); /* Vendor */
|
|
if (track->par->codec_id == AV_CODEC_ID_RAWVIDEO || uncompressed_ycbcr) {
|
|
avio_wb32(pb, 0); /* Temporal Quality */
|
|
avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/
|
|
} else {
|
|
avio_wb32(pb, 0x200); /* Temporal Quality = normal */
|
|
avio_wb32(pb, 0x200); /* Spatial Quality = normal */
|
|
}
|
|
} else {
|
|
avio_wb32(pb, 0); /* Reserved */
|
|
avio_wb32(pb, 0); /* Reserved */
|
|
avio_wb32(pb, 0); /* Reserved */
|
|
}
|
|
avio_wb16(pb, track->par->width); /* Video width */
|
|
avio_wb16(pb, track->height); /* Video height */
|
|
avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */
|
|
avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */
|
|
avio_wb32(pb, 0); /* Data size (= 0) */
|
|
avio_wb16(pb, 1); /* Frame count (= 1) */
|
|
|
|
/* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
|
|
find_compressor(compressor_name, 32, track);
|
|
avio_w8(pb, strlen(compressor_name));
|
|
avio_write(pb, compressor_name, 31);
|
|
|
|
if (track->mode == MODE_MOV &&
|
|
(track->par->codec_id == AV_CODEC_ID_V410 || track->par->codec_id == AV_CODEC_ID_V210))
|
|
avio_wb16(pb, 0x18);
|
|
else if (track->mode == MODE_MOV && track->par->bits_per_coded_sample)
|
|
avio_wb16(pb, track->par->bits_per_coded_sample |
|
|
(track->par->format == AV_PIX_FMT_GRAY8 ? 0x20 : 0));
|
|
else
|
|
avio_wb16(pb, 0x18); /* Reserved */
|
|
|
|
if (track->mode == MODE_MOV && track->par->format == AV_PIX_FMT_PAL8) {
|
|
int pal_size = 1 << track->par->bits_per_coded_sample;
|
|
int i;
|
|
avio_wb16(pb, 0); /* Color table ID */
|
|
avio_wb32(pb, 0); /* Color table seed */
|
|
avio_wb16(pb, 0x8000); /* Color table flags */
|
|
avio_wb16(pb, pal_size - 1); /* Color table size (zero-relative) */
|
|
for (i = 0; i < pal_size; i++) {
|
|
uint32_t rgb = track->palette[i];
|
|
uint16_t r = (rgb >> 16) & 0xff;
|
|
uint16_t g = (rgb >> 8) & 0xff;
|
|
uint16_t b = rgb & 0xff;
|
|
avio_wb16(pb, 0);
|
|
avio_wb16(pb, (r << 8) | r);
|
|
avio_wb16(pb, (g << 8) | g);
|
|
avio_wb16(pb, (b << 8) | b);
|
|
}
|
|
} else
|
|
avio_wb16(pb, 0xffff); /* Reserved */
|
|
|
|
if (track->tag == MKTAG('m','p','4','v'))
|
|
mov_write_esds_tag(pb, track);
|
|
else if (track->par->codec_id == AV_CODEC_ID_H263)
|
|
mov_write_d263_tag(pb);
|
|
else if (track->par->codec_id == AV_CODEC_ID_AVUI ||
|
|
track->par->codec_id == AV_CODEC_ID_SVQ3) {
|
|
mov_write_extradata_tag(pb, track);
|
|
avio_wb32(pb, 0);
|
|
} else if (track->par->codec_id == AV_CODEC_ID_DNXHD) {
|
|
mov_write_avid_tag(pb, track);
|
|
avid = 1;
|
|
} else if (track->par->codec_id == AV_CODEC_ID_HEVC)
|
|
mov_write_hvcc_tag(pb, track);
|
|
else if (track->par->codec_id == AV_CODEC_ID_H264 && !TAG_IS_AVCI(track->tag)) {
|
|
mov_write_avcc_tag(pb, track);
|
|
if (track->mode == MODE_IPOD)
|
|
mov_write_uuid_tag_ipod(pb);
|
|
} else if (track->par->codec_id == AV_CODEC_ID_VP9) {
|
|
mov_write_vpcc_tag(mov->fc, pb, track);
|
|
} else if (track->par->codec_id == AV_CODEC_ID_AV1) {
|
|
mov_write_av1c_tag(pb, track);
|
|
} else if (track->par->codec_id == AV_CODEC_ID_VC1 && track->vos_len > 0)
|
|
mov_write_dvc1_tag(pb, track);
|
|
else if (track->par->codec_id == AV_CODEC_ID_VP6F ||
|
|
track->par->codec_id == AV_CODEC_ID_VP6A) {
|
|
/* Don't write any potential extradata here - the cropping
|
|
* is signalled via the normal width/height fields. */
|
|
} else if (track->par->codec_id == AV_CODEC_ID_R10K) {
|
|
if (track->par->codec_tag == MKTAG('R','1','0','k'))
|
|
mov_write_dpxe_tag(pb, track);
|
|
} else if (track->vos_len > 0)
|
|
mov_write_glbl_tag(pb, track);
|
|
|
|
if (track->par->codec_id != AV_CODEC_ID_H264 &&
|
|
track->par->codec_id != AV_CODEC_ID_MPEG4 &&
|
|
track->par->codec_id != AV_CODEC_ID_DNXHD) {
|
|
int field_order = track->par->field_order;
|
|
|
|
#if FF_API_LAVF_AVCTX
|
|
FF_DISABLE_DEPRECATION_WARNINGS
|
|
if (field_order != track->st->codec->field_order && track->st->codec->field_order != AV_FIELD_UNKNOWN)
|
|
field_order = track->st->codec->field_order;
|
|
FF_ENABLE_DEPRECATION_WARNINGS
|
|
#endif
|
|
|
|
if (field_order != AV_FIELD_UNKNOWN)
|
|
mov_write_fiel_tag(pb, track, field_order);
|
|
}
|
|
|
|
if (mov->flags & FF_MOV_FLAG_WRITE_GAMA) {
|
|
if (track->mode == MODE_MOV)
|
|
mov_write_gama_tag(s, pb, track, mov->gamma);
|
|
else
|
|
av_log(mov->fc, AV_LOG_WARNING, "Not writing 'gama' atom. Format is not MOV.\n");
|
|
}
|
|
if (mov->flags & FF_MOV_FLAG_WRITE_COLR) {
|
|
if (track->mode == MODE_MOV || track->mode == MODE_MP4)
|
|
mov_write_colr_tag(pb, track, mov->flags & FF_MOV_FLAG_PREFER_ICC);
|
|
else
|
|
av_log(mov->fc, AV_LOG_WARNING, "Not writing 'colr' atom. Format is not MOV or MP4.\n");
|
|
}
|
|
if (track->mode == MODE_MOV || track->mode == MODE_MP4) {
|
|
mov_write_clli_tag(pb, track);
|
|
mov_write_mdcv_tag(pb, track);
|
|
}
|
|
|
|
if (track->mode == MODE_MP4 && mov->fc->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL) {
|
|
AVStereo3D* stereo_3d = (AVStereo3D*) av_stream_get_side_data(track->st, AV_PKT_DATA_STEREO3D, NULL);
|
|
AVSphericalMapping* spherical_mapping = (AVSphericalMapping*)av_stream_get_side_data(track->st, AV_PKT_DATA_SPHERICAL, NULL);
|
|
AVDOVIDecoderConfigurationRecord *dovi = (AVDOVIDecoderConfigurationRecord *)
|
|
av_stream_get_side_data(track->st, AV_PKT_DATA_DOVI_CONF, NULL);;
|
|
|
|
if (stereo_3d)
|
|
mov_write_st3d_tag(s, pb, stereo_3d);
|
|
if (spherical_mapping)
|
|
mov_write_sv3d_tag(mov->fc, pb, spherical_mapping);
|
|
if (dovi)
|
|
mov_write_dvcc_dvvc_tag(s, pb, dovi);
|
|
}
|
|
|
|
if (track->par->sample_aspect_ratio.den && track->par->sample_aspect_ratio.num) {
|
|
mov_write_pasp_tag(pb, track);
|
|
}
|
|
|
|
if (uncompressed_ycbcr){
|
|
mov_write_clap_tag(pb, track);
|
|
}
|
|
|
|
if (mov->encryption_scheme != MOV_ENC_NONE) {
|
|
ff_mov_cenc_write_sinf_tag(track, pb, mov->encryption_kid);
|
|
}
|
|
|
|
/* extra padding for avid stsd */
|
|
/* https://developer.apple.com/library/mac/documentation/QuickTime/QTFF/QTFFChap2/qtff2.html#//apple_ref/doc/uid/TP40000939-CH204-61112 */
|
|
if (avid)
|
|
avio_wb32(pb, 0);
|
|
|
|
return update_size(pb, pos);
|
|
}
|
|
|
|
static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
|
|
{
|
|
int64_t pos = avio_tell(pb);
|
|
avio_wb32(pb, 0); /* size */
|
|
ffio_wfourcc(pb, "rtp ");
|
|
avio_wb32(pb, 0); /* Reserved */
|
|
avio_wb16(pb, 0); /* Reserved */
|
|
avio_wb16(pb, 1); /* Data-reference index */
|
|
|
|
avio_wb16(pb, 1); /* Hint track version */
|
|
avio_wb16(pb, 1); /* Highest compatible version */
|
|
avio_wb32(pb, track->max_packet_size); /* Max packet size */
|
|
|
|
avio_wb32(pb, 12); /* size */
|
|
ffio_wfourcc(pb, "tims");
|
|
avio_wb32(pb, track->timescale);
|
|
|
|
return update_size(pb, pos);
|
|
}
|
|
|
|
static int mov_write_source_reference_tag(AVIOContext *pb, MOVTrack *track, const char *reel_name)
|
|
{
|
|
uint64_t str_size =strlen(reel_name);
|
|
int64_t pos = avio_tell(pb);
|
|
|
|
if (str_size >= UINT16_MAX){
|
|
av_log(NULL, AV_LOG_ERROR, "reel_name length %"PRIu64" is too large\n", str_size);
|
|
avio_wb16(pb, 0);
|
|
return AVERROR(EINVAL);
|
|
}
|
|
|
|
avio_wb32(pb, 0); /* size */
|
|
ffio_wfourcc(pb, "name"); /* Data format */
|
|
avio_wb16(pb, str_size); /* string size */
|
|
avio_wb16(pb, track->language); /* langcode */
|
|
avio_write(pb, reel_name, str_size); /* reel name */
|
|
return update_size(pb,pos);
|
|
}
|
|
|
|
static int mov_write_tmcd_tag(AVIOContext *pb, MOVTrack *track)
|
|
{
|
|
int64_t pos = avio_tell(pb);
|
|
#if 1
|
|
int frame_duration;
|
|
int nb_frames;
|
|
AVDictionaryEntry *t = NULL;
|
|
|
|
if (!track->st->avg_frame_rate.num || !track->st->avg_frame_rate.den) {
|
|
#if FF_API_LAVF_AVCTX
|
|
FF_DISABLE_DEPRECATION_WARNINGS
|
|
frame_duration = av_rescale(track->timescale, track->st->codec->time_base.num, track->st->codec->time_base.den);
|
|
nb_frames = ROUNDED_DIV(track->st->codec->time_base.den, track->st->codec->time_base.num);
|
|
FF_ENABLE_DEPRECATION_WARNINGS
|
|
#else
|
|
av_log(NULL, AV_LOG_ERROR, "avg_frame_rate not set for tmcd track.\n");
|
|
return AVERROR(EINVAL);
|
|
#endif
|
|
} else {
|
|
frame_duration = av_rescale(track->timescale, track->st->avg_frame_rate.num, track->st->avg_frame_rate.den);
|
|
nb_frames = ROUNDED_DIV(track->st->avg_frame_rate.den, track->st->avg_frame_rate.num);
|
|
}
|
|
|
|
if (nb_frames > 255) {
|
|
av_log(NULL, AV_LOG_ERROR, "fps %d is too large\n", nb_frames);
|
|
return AVERROR(EINVAL);
|
|
}
|
|
|
|
avio_wb32(pb, 0); /* size */
|
|
ffio_wfourcc(pb, "tmcd"); /* Data format */
|
|
avio_wb32(pb, 0); /* Reserved */
|
|
avio_wb32(pb, 1); /* Data reference index */
|
|
avio_wb32(pb, 0); /* Flags */
|
|
avio_wb32(pb, track->timecode_flags); /* Flags (timecode) */
|
|
avio_wb32(pb, track->timescale); /* Timescale */
|
|
avio_wb32(pb, frame_duration); /* Frame duration */
|
|
avio_w8(pb, nb_frames); /* Number of frames */
|
|
avio_w8(pb, 0); /* Reserved */
|
|
|
|
t = av_dict_get(track->st->metadata, "reel_name", NULL, 0);
|
|
if (t && utf8len(t->value) && track->mode != MODE_MP4)
|
|
mov_write_source_reference_tag(pb, track, t->value);
|
|
else
|
|
avio_wb16(pb, 0); /* zero size */
|
|
#else
|
|
|
|
avio_wb32(pb, 0); /* size */
|
|
ffio_wfourcc(pb, "tmcd"); /* Data format */
|
|
avio_wb32(pb, 0); /* Reserved */
|
|
avio_wb32(pb, 1); /* Data reference index */
|
|
if (track->par->extradata_size)
|
|
avio_write(pb, track->par->extradata, track->par->extradata_size);
|
|
#endif
|
|
return update_size(pb, pos);
|
|
}
|
|
|
|
static int mov_write_gpmd_tag(AVIOContext *pb, const MOVTrack *track)
|
|
{
|
|
int64_t pos = avio_tell(pb);
|
|
avio_wb32(pb, 0); /* size */
|
|
ffio_wfourcc(pb, "gpmd");
|
|
avio_wb32(pb, 0); /* Reserved */
|
|
avio_wb16(pb, 0); /* Reserved */
|
|
avio_wb16(pb, 1); /* Data-reference index */
|
|
avio_wb32(pb, 0); /* Reserved */
|
|
return update_size(pb, pos);
|
|
}
|
|
|
|
static int mov_write_stsd_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
|
|
{
|
|
int64_t pos = avio_tell(pb);
|
|
int ret = 0;
|
|
avio_wb32(pb, 0); /* size */
|
|
ffio_wfourcc(pb, "stsd");
|
|
avio_wb32(pb, 0); /* version & flags */
|
|
avio_wb32(pb, 1); /* entry count */
|
|
if (track->par->codec_type == AVMEDIA_TYPE_VIDEO)
|
|
ret = mov_write_video_tag(s, pb, mov, track);
|
|
else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
|
|
ret = mov_write_audio_tag(s, pb, mov, track);
|
|
else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE)
|
|
ret = mov_write_subtitle_tag(pb, track);
|
|
else if (track->par->codec_tag == MKTAG('r','t','p',' '))
|
|
ret = mov_write_rtp_tag(pb, track);
|
|
else if (track->par->codec_tag == MKTAG('t','m','c','d'))
|
|
ret = mov_write_tmcd_tag(pb, track);
|
|
else if (track->par->codec_tag == MKTAG('g','p','m','d'))
|
|
ret = mov_write_gpmd_tag(pb, track);
|
|
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
return update_size(pb, pos);
|
|
}
|
|
|
|
static int mov_write_ctts_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
|
|
{
|
|
MOVMuxContext *mov = s->priv_data;
|
|
MOVStts *ctts_entries;
|
|
uint32_t entries = 0;
|
|
uint32_t atom_size;
|
|
int i;
|
|
|
|
ctts_entries = av_malloc_array((track->entry + 1), sizeof(*ctts_entries)); /* worst case */
|
|
if (!ctts_entries)
|
|
return AVERROR(ENOMEM);
|
|
ctts_entries[0].count = 1;
|
|
ctts_entries[0].duration = track->cluster[0].cts;
|
|
for (i = 1; i < track->entry; i++) {
|
|
if (track->cluster[i].cts == ctts_entries[entries].duration) {
|
|
ctts_entries[entries].count++; /* compress */
|
|
} else {
|
|
entries++;
|
|
ctts_entries[entries].duration = track->cluster[i].cts;
|
|
ctts_entries[entries].count = 1;
|
|
}
|
|
}
|
|
entries++; /* last one */
|
|
atom_size = 16 + (entries * 8);
|
|
avio_wb32(pb, atom_size); /* size */
|
|
ffio_wfourcc(pb, "ctts");
|
|
if (mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
|
|
avio_w8(pb, 1); /* version */
|
|
else
|
|
avio_w8(pb, 0); /* version */
|
|
avio_wb24(pb, 0); /* flags */
|
|
avio_wb32(pb, entries); /* entry count */
|
|
for (i = 0; i < entries; i++) {
|
|
avio_wb32(pb, ctts_entries[i].count);
|
|
avio_wb32(pb, ctts_entries[i].duration);
|
|
}
|
|
av_free(ctts_entries);
|
|
return atom_size;
|
|
}
|
|
|
|
/* Time to sample atom */
|
|
static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
|
|
{
|
|
MOVStts *stts_entries = NULL;
|
|
uint32_t entries = -1;
|
|
uint32_t atom_size;
|
|
int i;
|
|
|
|
if (track->par->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
|
|
stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
|
|
if (!stts_entries)
|
|
return AVERROR(ENOMEM);
|
|
stts_entries[0].count = track->sample_count;
|
|
stts_entries[0].duration = 1;
|
|
entries = 1;
|
|
} else {
|
|
if (track->entry) {
|
|
stts_entries = av_malloc_array(track->entry, sizeof(*stts_entries)); /* worst case */
|
|
if (!stts_entries)
|
|
return AVERROR(ENOMEM);
|
|
}
|
|
for (i = 0; i < track->entry; i++) {
|
|
int duration = get_cluster_duration(track, i);
|
|
if (i && duration == stts_entries[entries].duration) {
|
|
stts_entries[entries].count++; /* compress */
|
|
} else {
|
|
entries++;
|
|
stts_entries[entries].duration = duration;
|
|
stts_entries[entries].count = 1;
|
|
}
|
|
}
|
|
entries++; /* last one */
|
|
}
|
|
atom_size = 16 + (entries * 8);
|
|
avio_wb32(pb, atom_size); /* size */
|
|
ffio_wfourcc(pb, "stts");
|
|
avio_wb32(pb, 0); /* version & flags */
|
|
avio_wb32(pb, entries); /* entry count */
|
|
for (i = 0; i < entries; i++) {
|
|
avio_wb32(pb, stts_entries[i].count);
|
|
avio_wb32(pb, stts_entries[i].duration);
|
|
}
|
|
av_free(stts_entries);
|
|
return atom_size;
|
|
}
|
|
|
|
static int mov_write_dref_tag(AVIOContext *pb)
|
|
{
|
|
avio_wb32(pb, 28); /* size */
|
|
ffio_wfourcc(pb, "dref");
|
|
avio_wb32(pb, 0); /* version & flags */
|
|
avio_wb32(pb, 1); /* entry count */
|
|
|
|
avio_wb32(pb, 0xc); /* size */
|
|
//FIXME add the alis and rsrc atom
|
|
ffio_wfourcc(pb, "url ");
|
|
avio_wb32(pb, 1); /* version & flags */
|
|
|
|
return 28;
|
|
}
|
|
|
|
static int mov_preroll_write_stbl_atoms(AVIOContext *pb, MOVTrack *track)
|
|
{
|
|
struct sgpd_entry {
|
|
int count;
|
|
int16_t roll_distance;
|
|
int group_description_index;
|
|
};
|
|
|
|
struct sgpd_entry *sgpd_entries = NULL;
|
|
int entries = -1;
|
|
int group = 0;
|
|
int i, j;
|
|
|
|
const int OPUS_SEEK_PREROLL_MS = 80;
|
|
int roll_samples = av_rescale_q(OPUS_SEEK_PREROLL_MS,
|
|
(AVRational){1, 1000},
|
|
(AVRational){1, 48000});
|
|
|
|
if (!track->entry)
|
|
return 0;
|
|
|
|
sgpd_entries = av_malloc_array(track->entry, sizeof(*sgpd_entries));
|
|
if (!sgpd_entries)
|
|
return AVERROR(ENOMEM);
|
|
|
|
av_assert0(track->par->codec_id == AV_CODEC_ID_OPUS || track->par->codec_id == AV_CODEC_ID_AAC);
|
|
|
|
if (track->par->codec_id == AV_CODEC_ID_OPUS) {
|
|
for (i = 0; i < track->entry; i++) {
|
|
int roll_samples_remaining = roll_samples;
|
|
int distance = 0;
|
|
for (j = i - 1; j >= 0; j--) {
|
|
roll_samples_remaining -= get_cluster_duration(track, j);
|
|
distance++;
|
|
if (roll_samples_remaining <= 0)
|
|
break;
|
|
}
|
|
/* We don't have enough preceeding samples to compute a valid
|
|
roll_distance here, so this sample can't be independently
|
|
decoded. */
|
|
if (roll_samples_remaining > 0)
|
|
distance = 0;
|
|
/* Verify distance is a maximum of 32 (2.5ms) packets. */
|
|
if (distance > 32)
|
|
return AVERROR_INVALIDDATA;
|
|
if (i && distance == sgpd_entries[entries].roll_distance) {
|
|
sgpd_entries[entries].count++;
|
|
} else {
|
|
entries++;
|
|
sgpd_entries[entries].count = 1;
|
|
sgpd_entries[entries].roll_distance = distance;
|
|
sgpd_entries[entries].group_description_index = distance ? ++group : 0;
|
|
}
|
|
}
|
|
} else {
|
|
entries++;
|
|
sgpd_entries[entries].count = track->sample_count;
|
|
sgpd_entries[entries].roll_distance = 1;
|
|
sgpd_entries[entries].group_description_index = ++group;
|
|
}
|
|
entries++;
|
|
|
|
if (!group) {
|
|
av_free(sgpd_entries);
|
|
return 0;
|
|
}
|
|
|
|
/* Write sgpd tag */
|
|
avio_wb32(pb, 24 + (group * 2)); /* size */
|
|
ffio_wfourcc(pb, "sgpd");
|
|
avio_wb32(pb, 1 << 24); /* fullbox */
|
|
ffio_wfourcc(pb, "roll");
|
|
avio_wb32(pb, 2); /* default_length */
|
|
avio_wb32(pb, group); /* entry_count */
|
|
for (i = 0; i < entries; i++) {
|
|
if (sgpd_entries[i].group_description_index) {
|
|
avio_wb16(pb, -sgpd_entries[i].roll_distance); /* roll_distance */
|
|
}
|
|
}
|
|
|
|
/* Write sbgp tag */
|
|
avio_wb32(pb, 20 + (entries * 8)); /* size */
|
|
ffio_wfourcc(pb, "sbgp");
|
|
avio_wb32(pb, 0); /* fullbox */
|
|
ffio_wfourcc(pb, "roll");
|
|
avio_wb32(pb, entries); /* entry_count */
|
|
for (i = 0; i < entries; i++) {
|
|
avio_wb32(pb, sgpd_entries[i].count); /* sample_count */
|
|
avio_wb32(pb, sgpd_entries[i].group_description_index); /* group_description_index */
|
|
}
|
|
|
|
av_free(sgpd_entries);
|
|
return 0;
|
|
}
|
|
|
|
static int mov_write_stbl_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
|
|
{
|
|
int64_t pos = avio_tell(pb);
|
|
int ret = 0;
|
|
|
|
avio_wb32(pb, 0); /* size */
|
|
ffio_wfourcc(pb, "stbl");
|
|
if ((ret = mov_write_stsd_tag(s, pb, mov, track)) < 0)
|
|
return ret;
|
|
mov_write_stts_tag(pb, track);
|
|
if ((track->par->codec_type == AVMEDIA_TYPE_VIDEO ||
|
|
track->par->codec_id == AV_CODEC_ID_TRUEHD ||
|
|
track->par->codec_id == AV_CODEC_ID_MPEGH_3D_AUDIO ||
|
|
track->par->codec_tag == MKTAG('r','t','p',' ')) &&
|
|
track->has_keyframes && track->has_keyframes < track->entry)
|
|
mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
|
|
if (track->par->codec_type == AVMEDIA_TYPE_VIDEO && track->has_disposable)
|
|
mov_write_sdtp_tag(pb, track);
|
|
if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
|
|
mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
|
|
if (track->par->codec_type == AVMEDIA_TYPE_VIDEO &&
|
|
track->flags & MOV_TRACK_CTTS && track->entry) {
|
|
|
|
if ((ret = mov_write_ctts_tag(s, pb, track)) < 0)
|
|
return ret;
|
|
}
|
|
mov_write_stsc_tag(pb, track);
|
|
mov_write_stsz_tag(pb, track);
|
|
mov_write_stco_tag(pb, track);
|
|
if (track->cenc.aes_ctr) {
|
|
ff_mov_cenc_write_stbl_atoms(&track->cenc, pb);
|
|
}
|
|
if (track->par->codec_id == AV_CODEC_ID_OPUS || track->par->codec_id == AV_CODEC_ID_AAC) {
|
|
mov_preroll_write_stbl_atoms(pb, track);
|
|
}
|
|
return update_size(pb, pos);
|
|
}
|
|
|
|
static int mov_write_dinf_tag(AVIOContext *pb)
|
|
{
|
|
int64_t pos = avio_tell(pb);
|
|
avio_wb32(pb, 0); /* size */
|
|
ffio_wfourcc(pb, "dinf");
|
|
mov_write_dref_tag(pb);
|
|
return update_size(pb, pos);
|
|
}
|
|
|
|
static int mov_write_nmhd_tag(AVIOContext *pb)
|
|
{
|
|
avio_wb32(pb, 12);
|
|
ffio_wfourcc(pb, "nmhd");
|
|
avio_wb32(pb, 0);
|
|
return 12;
|
|
}
|
|
|
|
static int mov_write_tcmi_tag(AVIOContext *pb, MOVTrack *track)
|
|
{
|
|
int64_t pos = avio_tell(pb);
|
|
const char *font = "Lucida Grande";
|
|
avio_wb32(pb, 0); /* size */
|
|
ffio_wfourcc(pb, "tcmi"); /* timecode media information atom */
|
|
avio_wb32(pb, 0); /* version & flags */
|
|
avio_wb16(pb, 0); /* text font */
|
|
avio_wb16(pb, 0); /* text face */
|
|
avio_wb16(pb, 12); /* text size */
|
|
avio_wb16(pb, 0); /* (unknown, not in the QT specs...) */
|
|
avio_wb16(pb, 0x0000); /* text color (red) */
|
|
avio_wb16(pb, 0x0000); /* text color (green) */
|
|
avio_wb16(pb, 0x0000); /* text color (blue) */
|
|
avio_wb16(pb, 0xffff); /* background color (red) */
|
|
avio_wb16(pb, 0xffff); /* background color (green) */
|
|
avio_wb16(pb, 0xffff); /* background color (blue) */
|
|
avio_w8(pb, strlen(font)); /* font len (part of the pascal string) */
|
|
avio_write(pb, font, strlen(font)); /* font name */
|
|
return update_size(pb, pos);
|
|
}
|
|
|
|
static int mov_write_gmhd_tag(AVIOContext *pb, MOVTrack *track)
|
|
{
|
|
int64_t pos = avio_tell(pb);
|
|
avio_wb32(pb, 0); /* size */
|
|
ffio_wfourcc(pb, "gmhd");
|
|
avio_wb32(pb, 0x18); /* gmin size */
|
|
ffio_wfourcc(pb, "gmin");/* generic media info */
|
|
avio_wb32(pb, 0); /* version & flags */
|
|
avio_wb16(pb, 0x40); /* graphics mode = */
|
|
avio_wb16(pb, 0x8000); /* opColor (r?) */
|
|
avio_wb16(pb, 0x8000); /* opColor (g?) */
|
|
avio_wb16(pb, 0x8000); /* opColor (b?) */
|
|
avio_wb16(pb, 0); /* balance */
|
|
avio_wb16(pb, 0); /* reserved */
|
|
|
|
/*
|
|
* This special text atom is required for
|
|
* Apple Quicktime chapters. The contents
|
|
* don't appear to be documented, so the
|
|
* bytes are copied verbatim.
|
|
*/
|
|
if (track->tag != MKTAG('c','6','0','8')) {
|
|
avio_wb32(pb, 0x2C); /* size */
|
|
ffio_wfourcc(pb, "text");
|
|
avio_wb16(pb, 0x01);
|
|
avio_wb32(pb, 0x00);
|
|
avio_wb32(pb, 0x00);
|
|
avio_wb32(pb, 0x00);
|
|
avio_wb32(pb, 0x01);
|
|
avio_wb32(pb, 0x00);
|
|
avio_wb32(pb, 0x00);
|
|
avio_wb32(pb, 0x00);
|
|
avio_wb32(pb, 0x00004000);
|
|
avio_wb16(pb, 0x0000);
|
|
}
|
|
|
|
if (track->par->codec_tag == MKTAG('t','m','c','d')) {
|
|
int64_t tmcd_pos = avio_tell(pb);
|
|
avio_wb32(pb, 0); /* size */
|
|
ffio_wfourcc(pb, "tmcd");
|
|
mov_write_tcmi_tag(pb, track);
|
|
update_size(pb, tmcd_pos);
|
|
} else if (track->par->codec_tag == MKTAG('g','p','m','d')) {
|
|
int64_t gpmd_pos = avio_tell(pb);
|
|
avio_wb32(pb, 0); /* size */
|
|
ffio_wfourcc(pb, "gpmd");
|
|
avio_wb32(pb, 0); /* version */
|
|
update_size(pb, gpmd_pos);
|
|
}
|
|
return update_size(pb, pos);
|
|
}
|
|
|
|
static int mov_write_smhd_tag(AVIOContext *pb)
|
|
{
|
|
avio_wb32(pb, 16); /* size */
|
|
ffio_wfourcc(pb, "smhd");
|
|
avio_wb32(pb, 0); /* version & flags */
|
|
avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
|
|
avio_wb16(pb, 0); /* reserved */
|
|
return 16;
|
|
}
|
|
|
|
static int mov_write_vmhd_tag(AVIOContext *pb)
|
|
{
|
|
avio_wb32(pb, 0x14); /* size (always 0x14) */
|
|
ffio_wfourcc(pb, "vmhd");
|
|
avio_wb32(pb, 0x01); /* version & flags */
|
|
avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
|
|
return 0x14;
|
|
}
|
|
|
|
static int is_clcp_track(MOVTrack *track)
|
|
{
|
|
return track->tag == MKTAG('c','7','0','8') ||
|
|
track->tag == MKTAG('c','6','0','8');
|
|
}
|
|
|
|
static int mov_write_hdlr_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
|
|
{
|
|
MOVMuxContext *mov = s->priv_data;
|
|
const char *hdlr, *descr = NULL, *hdlr_type = NULL;
|
|
int64_t pos = avio_tell(pb);
|
|
|
|
hdlr = "dhlr";
|
|
hdlr_type = "url ";
|
|
descr = "DataHandler";
|
|
|
|
if (track) {
|
|
hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
|
|
if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
|
|
hdlr_type = "vide";
|
|
descr = "VideoHandler";
|
|
} else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
|
|
hdlr_type = "soun";
|
|
descr = "SoundHandler";
|
|
} else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE) {
|
|
if (is_clcp_track(track)) {
|
|
hdlr_type = "clcp";
|
|
descr = "ClosedCaptionHandler";
|
|
} else {
|
|
if (track->tag == MKTAG('t','x','3','g')) {
|
|
hdlr_type = "sbtl";
|
|
} else if (track->tag == MKTAG('m','p','4','s')) {
|
|
hdlr_type = "subp";
|
|
} else {
|
|
hdlr_type = "text";
|
|
}
|
|
descr = "SubtitleHandler";
|
|
}
|
|
} else if (track->par->codec_tag == MKTAG('r','t','p',' ')) {
|
|
hdlr_type = "hint";
|
|
descr = "HintHandler";
|
|
} else if (track->par->codec_tag == MKTAG('t','m','c','d')) {
|
|
hdlr_type = "tmcd";
|
|
descr = "TimeCodeHandler";
|
|
} else if (track->par->codec_tag == MKTAG('g','p','m','d')) {
|
|
hdlr_type = "meta";
|
|
descr = "GoPro MET"; // GoPro Metadata
|
|
} else {
|
|
av_log(s, AV_LOG_WARNING,
|
|
"Unknown hldr_type for %s, writing dummy values\n",
|
|
av_fourcc2str(track->par->codec_tag));
|
|
}
|
|
if (track->st) {
|
|
// hdlr.name is used by some players to identify the content title
|
|
// of the track. So if an alternate handler description is
|
|
// specified, use it.
|
|
AVDictionaryEntry *t;
|
|
t = av_dict_get(track->st->metadata, "handler_name", NULL, 0);
|
|
if (t && utf8len(t->value))
|
|
descr = t->value;
|
|
}
|
|
}
|
|
|
|
if (mov->empty_hdlr_name) /* expressly allowed by QTFF and not prohibited in ISO 14496-12 8.4.3.3 */
|
|
descr = "";
|
|
|
|
avio_wb32(pb, 0); /* size */
|
|
ffio_wfourcc(pb, "hdlr");
|
|
avio_wb32(pb, 0); /* Version & flags */
|
|
avio_write(pb, hdlr, 4); /* handler */
|
|
ffio_wfourcc(pb, hdlr_type); /* handler type */
|
|
avio_wb32(pb, 0); /* reserved */
|
|
avio_wb32(pb, 0); /* reserved */
|
|
avio_wb32(pb, 0); /* reserved */
|
|
if (!track || track->mode == MODE_MOV)
|
|
avio_w8(pb, strlen(descr)); /* pascal string */
|
|
avio_write(pb, descr, strlen(descr)); /* handler description */
|
|
if (track && track->mode != MODE_MOV)
|
|
avio_w8(pb, 0); /* c string */
|
|
return update_size(pb, pos);
|
|
}
|
|
|
|
static int mov_write_hmhd_tag(AVIOContext *pb)
|
|
{
|
|
/* This atom must be present, but leaving the values at zero
|
|
* seems harmless. */
|
|
avio_wb32(pb, 28); /* size */
|
|
ffio_wfourcc(pb, "hmhd");
|
|
avio_wb32(pb, 0); /* version, flags */
|
|
avio_wb16(pb, 0); /* maxPDUsize */
|
|
avio_wb16(pb, 0); /* avgPDUsize */
|
|
avio_wb32(pb, 0); /* maxbitrate */
|
|
avio_wb32(pb, 0); /* avgbitrate */
|
|
avio_wb32(pb, 0); /* reserved */
|
|
return 28;
|
|
}
|
|
|
|
static int mov_write_minf_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
|
|
{
|
|
int64_t pos = avio_tell(pb);
|
|
int ret;
|
|
|
|
avio_wb32(pb, 0); /* size */
|
|
ffio_wfourcc(pb, "minf");
|
|
if (track->par->codec_type == AVMEDIA_TYPE_VIDEO)
|
|
mov_write_vmhd_tag(pb);
|
|
else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
|
|
mov_write_smhd_tag(pb);
|
|
else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE) {
|
|
if (track->tag == MKTAG('t','e','x','t') || is_clcp_track(track)) {
|
|
mov_write_gmhd_tag(pb, track);
|
|
} else {
|
|
mov_write_nmhd_tag(pb);
|
|
}
|
|
} else if (track->tag == MKTAG('r','t','p',' ')) {
|
|
mov_write_hmhd_tag(pb);
|
|
} else if (track->tag == MKTAG('t','m','c','d')) {
|
|
if (track->mode != MODE_MOV)
|
|
mov_write_nmhd_tag(pb);
|
|
else
|
|
mov_write_gmhd_tag(pb, track);
|
|
} else if (track->tag == MKTAG('g','p','m','d')) {
|
|
mov_write_gmhd_tag(pb, track);
|
|
}
|
|
if (track->mode == MODE_MOV) /* ISO 14496-12 8.4.3.1 specifies hdlr only within mdia or meta boxes */
|
|
mov_write_hdlr_tag(s, pb, NULL);
|
|
mov_write_dinf_tag(pb);
|
|
if ((ret = mov_write_stbl_tag(s, pb, mov, track)) < 0)
|
|
return ret;
|
|
return update_size(pb, pos);
|
|
}
|
|
|
|
static int64_t calc_pts_duration(MOVMuxContext *mov, MOVTrack *track)
|
|
{
|
|
if (track->tag == MKTAG('t','m','c','d')) {
|
|
// tmcd tracks gets track_duration set in mov_write_moov_tag from
|
|
// another track's duration, while the end_pts may be left at zero.
|
|
// Calculate the pts duration for that track instead.
|
|
return av_rescale(calc_pts_duration(mov, &mov->tracks[track->src_track]),
|
|
track->timescale, mov->tracks[track->src_track].timescale);
|
|
}
|
|
if (track->end_pts != AV_NOPTS_VALUE &&
|
|
track->start_dts != AV_NOPTS_VALUE &&
|
|
track->start_cts != AV_NOPTS_VALUE) {
|
|
return track->end_pts - (track->start_dts + track->start_cts);
|
|
}
|
|
return track->track_duration;
|
|
}
|
|
|
|
static int mov_write_mdhd_tag(AVIOContext *pb, MOVMuxContext *mov,
|
|
MOVTrack *track)
|
|
{
|
|
int64_t duration = calc_pts_duration(mov, track);
|
|
int version = duration < INT32_MAX ? 0 : 1;
|
|
|
|
if (track->mode == MODE_ISM)
|
|
version = 1;
|
|
|
|
(version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
|
|
ffio_wfourcc(pb, "mdhd");
|
|
avio_w8(pb, version);
|
|
avio_wb24(pb, 0); /* flags */
|
|
if (version == 1) {
|
|
avio_wb64(pb, track->time);
|
|
avio_wb64(pb, track->time);
|
|
} else {
|
|
avio_wb32(pb, track->time); /* creation time */
|
|
avio_wb32(pb, track->time); /* modification time */
|
|
}
|
|
avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
|
|
if (!track->entry && mov->mode == MODE_ISM)
|
|
(version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
|
|
else if (!track->entry)
|
|
(version == 1) ? avio_wb64(pb, 0) : avio_wb32(pb, 0);
|
|
else
|
|
(version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration); /* duration */
|
|
avio_wb16(pb, track->language); /* language */
|
|
avio_wb16(pb, 0); /* reserved (quality) */
|
|
|
|
if (version != 0 && track->mode == MODE_MOV) {
|
|
av_log(NULL, AV_LOG_ERROR,
|
|
"FATAL error, file duration too long for timebase, this file will not be\n"
|
|
"playable with QuickTime. Choose a different timebase with "
|
|
"-video_track_timescale or a different container format\n");
|
|
}
|
|
|
|
return 32;
|
|
}
|
|
|
|
static int mov_write_mdia_tag(AVFormatContext *s, AVIOContext *pb,
|
|
MOVMuxContext *mov, MOVTrack *track)
|
|
{
|
|
int64_t pos = avio_tell(pb);
|
|
int ret;
|
|
|
|
avio_wb32(pb, 0); /* size */
|
|
ffio_wfourcc(pb, "mdia");
|
|
mov_write_mdhd_tag(pb, mov, track);
|
|
mov_write_hdlr_tag(s, pb, track);
|
|
if ((ret = mov_write_minf_tag(s, pb, mov, track)) < 0)
|
|
return ret;
|
|
return update_size(pb, pos);
|
|
}
|
|
|
|
/* transformation matrix
|
|
|a b u|
|
|
|c d v|
|
|
|tx ty w| */
|
|
static void write_matrix(AVIOContext *pb, int16_t a, int16_t b, int16_t c,
|
|
int16_t d, int16_t tx, int16_t ty)
|
|
{
|
|
avio_wb32(pb, a << 16); /* 16.16 format */
|
|
avio_wb32(pb, b << 16); /* 16.16 format */
|
|
avio_wb32(pb, 0); /* u in 2.30 format */
|
|
avio_wb32(pb, c << 16); /* 16.16 format */
|
|
avio_wb32(pb, d << 16); /* 16.16 format */
|
|
avio_wb32(pb, 0); /* v in 2.30 format */
|
|
avio_wb32(pb, tx << 16); /* 16.16 format */
|
|
avio_wb32(pb, ty << 16); /* 16.16 format */
|
|
avio_wb32(pb, 1 << 30); /* w in 2.30 format */
|
|
}
|
|
|
|
static int mov_write_tkhd_tag(AVIOContext *pb, MOVMuxContext *mov,
|
|
MOVTrack *track, AVStream *st)
|
|
{
|
|
int64_t duration = av_rescale_rnd(calc_pts_duration(mov, track),
|
|
MOV_TIMESCALE, track->timescale,
|
|
AV_ROUND_UP);
|
|
int version = duration < INT32_MAX ? 0 : 1;
|
|
int flags = MOV_TKHD_FLAG_IN_MOVIE;
|
|
int rotation = 0;
|
|
int group = 0;
|
|
|
|
uint32_t *display_matrix = NULL;
|
|
int display_matrix_size, i;
|
|
|
|
if (st) {
|
|
if (mov->per_stream_grouping)
|
|
group = st->index;
|
|
else
|
|
group = st->codecpar->codec_type;
|
|
|
|
display_matrix = (uint32_t*)av_stream_get_side_data(st, AV_PKT_DATA_DISPLAYMATRIX,
|
|
&display_matrix_size);
|
|
if (display_matrix && display_matrix_size < 9 * sizeof(*display_matrix))
|
|
display_matrix = NULL;
|
|
}
|
|
|
|
if (track->flags & MOV_TRACK_ENABLED)
|
|
flags |= MOV_TKHD_FLAG_ENABLED;
|
|
|
|
if (track->mode == MODE_ISM)
|
|
version = 1;
|
|
|
|
(version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
|
|
ffio_wfourcc(pb, "tkhd");
|
|
avio_w8(pb, version);
|
|
avio_wb24(pb, flags);
|
|
if (version == 1) {
|
|
avio_wb64(pb, track->time);
|
|
avio_wb64(pb, track->time);
|
|
} else {
|
|
avio_wb32(pb, track->time); /* creation time */
|
|
avio_wb32(pb, track->time); /* modification time */
|
|
}
|
|
avio_wb32(pb, track->track_id); /* track-id */
|
|
avio_wb32(pb, 0); /* reserved */
|
|
if (!track->entry && mov->mode == MODE_ISM)
|
|
(version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
|
|
else if (!track->entry)
|
|
(version == 1) ? avio_wb64(pb, 0) : avio_wb32(pb, 0);
|
|
else
|
|
(version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
|
|
|
|
avio_wb32(pb, 0); /* reserved */
|
|
avio_wb32(pb, 0); /* reserved */
|
|
avio_wb16(pb, 0); /* layer */
|
|
avio_wb16(pb, group); /* alternate group) */
|
|
/* Volume, only for audio */
|
|
if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
|
|
avio_wb16(pb, 0x0100);
|
|
else
|
|
avio_wb16(pb, 0);
|
|
avio_wb16(pb, 0); /* reserved */
|
|
|
|
/* Matrix structure */
|
|
#if FF_API_OLD_ROTATE_API
|
|
if (st && st->metadata) {
|
|
AVDictionaryEntry *rot = av_dict_get(st->metadata, "rotate", NULL, 0);
|
|
rotation = (rot && rot->value) ? atoi(rot->value) : 0;
|
|
}
|
|
#endif
|
|
if (display_matrix) {
|
|
for (i = 0; i < 9; i++)
|
|
avio_wb32(pb, display_matrix[i]);
|
|
#if FF_API_OLD_ROTATE_API
|
|
} else if (rotation == 90) {
|
|
write_matrix(pb, 0, 1, -1, 0, track->par->height, 0);
|
|
} else if (rotation == 180) {
|
|
write_matrix(pb, -1, 0, 0, -1, track->par->width, track->par->height);
|
|
} else if (rotation == 270) {
|
|
write_matrix(pb, 0, -1, 1, 0, 0, track->par->width);
|
|
#endif
|
|
} else {
|
|
write_matrix(pb, 1, 0, 0, 1, 0, 0);
|
|
}
|
|
/* Track width and height, for visual only */
|
|
if (st && (track->par->codec_type == AVMEDIA_TYPE_VIDEO ||
|
|
track->par->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
|
|
int64_t track_width_1616;
|
|
if (track->mode == MODE_MOV) {
|
|
track_width_1616 = track->par->width * 0x10000ULL;
|
|
} else {
|
|
track_width_1616 = av_rescale(st->sample_aspect_ratio.num,
|
|
track->par->width * 0x10000LL,
|
|
st->sample_aspect_ratio.den);
|
|
if (!track_width_1616 ||
|
|
track->height != track->par->height ||
|
|
track_width_1616 > UINT32_MAX)
|
|
track_width_1616 = track->par->width * 0x10000ULL;
|
|
}
|
|
if (track_width_1616 > UINT32_MAX) {
|
|
av_log(mov->fc, AV_LOG_WARNING, "track width is too large\n");
|
|
track_width_1616 = 0;
|
|
}
|
|
avio_wb32(pb, track_width_1616);
|
|
if (track->height > 0xFFFF) {
|
|
av_log(mov->fc, AV_LOG_WARNING, "track height is too large\n");
|
|
avio_wb32(pb, 0);
|
|
} else
|
|
avio_wb32(pb, track->height * 0x10000U);
|
|
} else {
|
|
avio_wb32(pb, 0);
|
|
avio_wb32(pb, 0);
|
|
}
|
|
return 0x5c;
|
|
}
|
|
|
|
static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
|
|
{
|
|
int32_t width = av_rescale(track->par->sample_aspect_ratio.num, track->par->width,
|
|
track->par->sample_aspect_ratio.den);
|
|
|
|
int64_t pos = avio_tell(pb);
|
|
|
|
avio_wb32(pb, 0); /* size */
|
|
ffio_wfourcc(pb, "tapt");
|
|
|
|
avio_wb32(pb, 20);
|
|
ffio_wfourcc(pb, "clef");
|
|
avio_wb32(pb, 0);
|
|
avio_wb32(pb, width << 16);
|
|
avio_wb32(pb, track->par->height << 16);
|
|
|
|
avio_wb32(pb, 20);
|
|
ffio_wfourcc(pb, "prof");
|
|
avio_wb32(pb, 0);
|
|
avio_wb32(pb, width << 16);
|
|
avio_wb32(pb, track->par->height << 16);
|
|
|
|
avio_wb32(pb, 20);
|
|
ffio_wfourcc(pb, "enof");
|
|
avio_wb32(pb, 0);
|
|
avio_wb32(pb, track->par->width << 16);
|
|
avio_wb32(pb, track->par->height << 16);
|
|
|
|
return update_size(pb, pos);
|
|
}
|
|
|
|
// This box seems important for the psp playback ... without it the movie seems to hang
|
|
static int mov_write_edts_tag(AVIOContext *pb, MOVMuxContext *mov,
|
|
MOVTrack *track)
|
|
{
|
|
int64_t duration = av_rescale_rnd(calc_pts_duration(mov, track),
|
|
MOV_TIMESCALE, track->timescale,
|
|
AV_ROUND_UP);
|
|
int version = duration < INT32_MAX ? 0 : 1;
|
|
int entry_size, entry_count, size;
|
|
int64_t delay, start_ct = track->start_cts;
|
|
int64_t start_dts = track->start_dts;
|
|
|
|
if (track->entry) {
|
|
if (start_dts != track->cluster[0].dts || start_ct != track->cluster[0].cts) {
|
|
|
|
av_log(mov->fc, AV_LOG_DEBUG,
|
|
"EDTS using dts:%"PRId64" cts:%d instead of dts:%"PRId64" cts:%"PRId64" tid:%d\n",
|
|
track->cluster[0].dts, track->cluster[0].cts,
|
|
start_dts, start_ct, track->track_id);
|
|
start_dts = track->cluster[0].dts;
|
|
start_ct = track->cluster[0].cts;
|
|
}
|
|
}
|
|
|
|
delay = av_rescale_rnd(start_dts + start_ct, MOV_TIMESCALE,
|
|
track->timescale, AV_ROUND_DOWN);
|
|
version |= delay < INT32_MAX ? 0 : 1;
|
|
|
|
entry_size = (version == 1) ? 20 : 12;
|
|
entry_count = 1 + (delay > 0);
|
|
size = 24 + entry_count * entry_size;
|
|
|
|
/* write the atom data */
|
|
avio_wb32(pb, size);
|
|
ffio_wfourcc(pb, "edts");
|
|
avio_wb32(pb, size - 8);
|
|
ffio_wfourcc(pb, "elst");
|
|
avio_w8(pb, version);
|
|
avio_wb24(pb, 0); /* flags */
|
|
|
|
avio_wb32(pb, entry_count);
|
|
if (delay > 0) { /* add an empty edit to delay presentation */
|
|
/* In the positive delay case, the delay includes the cts
|
|
* offset, and the second edit list entry below trims out
|
|
* the same amount from the actual content. This makes sure
|
|
* that the offset last sample is included in the edit
|
|
* list duration as well. */
|
|
if (version == 1) {
|
|
avio_wb64(pb, delay);
|
|
avio_wb64(pb, -1);
|
|
} else {
|
|
avio_wb32(pb, delay);
|
|
avio_wb32(pb, -1);
|
|
}
|
|
avio_wb32(pb, 0x00010000);
|
|
} else {
|
|
/* Avoid accidentally ending up with start_ct = -1 which has got a
|
|
* special meaning. Normally start_ct should end up positive or zero
|
|
* here, but use FFMIN in case dts is a small positive integer
|
|
* rounded to 0 when represented in MOV_TIMESCALE units. */
|
|
av_assert0(av_rescale_rnd(start_dts, MOV_TIMESCALE, track->timescale, AV_ROUND_DOWN) <= 0);
|
|
start_ct = -FFMIN(start_dts, 0);
|
|
/* Note, this delay is calculated from the pts of the first sample,
|
|
* ensuring that we don't reduce the duration for cases with
|
|
* dts<0 pts=0. */
|
|
duration += delay;
|
|
}
|
|
|
|
/* For fragmented files, we don't know the full length yet. Setting
|
|
* duration to 0 allows us to only specify the offset, including
|
|
* the rest of the content (from all future fragments) without specifying
|
|
* an explicit duration. */
|
|
if (mov->flags & FF_MOV_FLAG_FRAGMENT)
|
|
duration = 0;
|
|
|
|
/* duration */
|
|
if (version == 1) {
|
|
avio_wb64(pb, duration);
|
|
avio_wb64(pb, start_ct);
|
|
} else {
|
|
avio_wb32(pb, duration);
|
|
avio_wb32(pb, start_ct);
|
|
}
|
|
avio_wb32(pb, 0x00010000);
|
|
return size;
|
|
}
|
|
|
|
static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
|
|
{
|
|
avio_wb32(pb, 20); // size
|
|
ffio_wfourcc(pb, "tref");
|
|
avio_wb32(pb, 12); // size (subatom)
|
|
avio_wl32(pb, track->tref_tag);
|
|
avio_wb32(pb, track->tref_id);
|
|
return 20;
|
|
}
|
|
|
|
// goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
|
|
static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
|
|
{
|
|
avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
|
|
ffio_wfourcc(pb, "uuid");
|
|
ffio_wfourcc(pb, "USMT");
|
|
avio_wb32(pb, 0x21d24fce);
|
|
avio_wb32(pb, 0xbb88695c);
|
|
avio_wb32(pb, 0xfac9c740);
|
|
avio_wb32(pb, 0x1c); // another size here!
|
|
ffio_wfourcc(pb, "MTDT");
|
|
avio_wb32(pb, 0x00010012);
|
|
avio_wb32(pb, 0x0a);
|
|
avio_wb32(pb, 0x55c40000);
|
|
avio_wb32(pb, 0x1);
|
|
avio_wb32(pb, 0x0);
|
|
return 0x34;
|
|
}
|
|
|
|
static int mov_write_udta_sdp(AVIOContext *pb, MOVTrack *track)
|
|
{
|
|
AVFormatContext *ctx = track->rtp_ctx;
|
|
char buf[1000] = "";
|
|
int len;
|
|
|
|
ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0], track->src_track,
|
|
NULL, NULL, 0, 0, ctx);
|
|
av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", track->track_id);
|
|
len = strlen(buf);
|
|
|
|
avio_wb32(pb, len + 24);
|
|
ffio_wfourcc(pb, "udta");
|
|
avio_wb32(pb, len + 16);
|
|
ffio_wfourcc(pb, "hnti");
|
|
avio_wb32(pb, len + 8);
|
|
ffio_wfourcc(pb, "sdp ");
|
|
avio_write(pb, buf, len);
|
|
return len + 24;
|
|
}
|
|
|
|
static int mov_write_track_metadata(AVIOContext *pb, AVStream *st,
|
|
const char *tag, const char *str)
|
|
{
|
|
int64_t pos = avio_tell(pb);
|
|
AVDictionaryEntry *t = av_dict_get(st->metadata, str, NULL, 0);
|
|
if (!t || !utf8len(t->value))
|
|
return 0;
|
|
|
|
avio_wb32(pb, 0); /* size */
|
|
ffio_wfourcc(pb, tag); /* type */
|
|
avio_write(pb, t->value, strlen(t->value)); /* UTF8 string value */
|
|
return update_size(pb, pos);
|
|
}
|
|
|
|
static int mov_write_track_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
|
|
AVStream *st)
|
|
{
|
|
AVIOContext *pb_buf;
|
|
int ret, size;
|
|
uint8_t *buf;
|
|
|
|
if (!st)
|
|
return 0;
|
|
|
|
ret = avio_open_dyn_buf(&pb_buf);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
if (mov->mode & (MODE_MP4|MODE_MOV))
|
|
mov_write_track_metadata(pb_buf, st, "name", "title");
|
|
|
|
if ((size = avio_get_dyn_buf(pb_buf, &buf)) > 0) {
|
|
avio_wb32(pb, size + 8);
|
|
ffio_wfourcc(pb, "udta");
|
|
avio_write(pb, buf, size);
|
|
}
|
|
ffio_free_dyn_buf(&pb_buf);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int mov_write_trak_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov,
|
|
MOVTrack *track, AVStream *st)
|
|
{
|
|
int64_t pos = avio_tell(pb);
|
|
int entry_backup = track->entry;
|
|
int chunk_backup = track->chunkCount;
|
|
int ret;
|
|
|
|
/* If we want to have an empty moov, but some samples already have been
|
|
* buffered (delay_moov), pretend that no samples have been written yet. */
|
|
if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV)
|
|
track->chunkCount = track->entry = 0;
|
|
|
|
avio_wb32(pb, 0); /* size */
|
|
ffio_wfourcc(pb, "trak");
|
|
mov_write_tkhd_tag(pb, mov, track, st);
|
|
|
|
av_assert2(mov->use_editlist >= 0);
|
|
|
|
if (track->start_dts != AV_NOPTS_VALUE) {
|
|
if (mov->use_editlist)
|
|
mov_write_edts_tag(pb, mov, track); // PSP Movies and several other cases require edts box
|
|
else if ((track->entry && track->cluster[0].dts) || track->mode == MODE_PSP || is_clcp_track(track))
|
|
av_log(mov->fc, AV_LOG_WARNING,
|
|
"Not writing any edit list even though one would have been required\n");
|
|
}
|
|
|
|
if (track->tref_tag)
|
|
mov_write_tref_tag(pb, track);
|
|
|
|
if ((ret = mov_write_mdia_tag(s, pb, mov, track)) < 0)
|
|
return ret;
|
|
if (track->mode == MODE_PSP)
|
|
mov_write_uuid_tag_psp(pb, track); // PSP Movies require this uuid box
|
|
if (track->tag == MKTAG('r','t','p',' '))
|
|
mov_write_udta_sdp(pb, track);
|
|
if (track->mode == MODE_MOV) {
|
|
if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
|
|
double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
|
|
if (st->sample_aspect_ratio.num && 1.0 != sample_aspect_ratio) {
|
|
mov_write_tapt_tag(pb, track);
|
|
}
|
|
}
|
|
if (is_clcp_track(track) && st->sample_aspect_ratio.num) {
|
|
mov_write_tapt_tag(pb, track);
|
|
}
|
|
}
|
|
mov_write_track_udta_tag(pb, mov, st);
|
|
track->entry = entry_backup;
|
|
track->chunkCount = chunk_backup;
|
|
return update_size(pb, pos);
|
|
}
|
|
|
|
static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
|
|
{
|
|
int i, has_audio = 0, has_video = 0;
|
|
int64_t pos = avio_tell(pb);
|
|
int audio_profile = mov->iods_audio_profile;
|
|
int video_profile = mov->iods_video_profile;
|
|
for (i = 0; i < mov->nb_streams; i++) {
|
|
if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
|
|
has_audio |= mov->tracks[i].par->codec_type == AVMEDIA_TYPE_AUDIO;
|
|
has_video |= mov->tracks[i].par->codec_type == AVMEDIA_TYPE_VIDEO;
|
|
}
|
|
}
|
|
if (audio_profile < 0)
|
|
audio_profile = 0xFF - has_audio;
|
|
if (video_profile < 0)
|
|
video_profile = 0xFF - has_video;
|
|
avio_wb32(pb, 0x0); /* size */
|
|
ffio_wfourcc(pb, "iods");
|
|
avio_wb32(pb, 0); /* version & flags */
|
|
put_descr(pb, 0x10, 7);
|
|
avio_wb16(pb, 0x004f);
|
|
avio_w8(pb, 0xff);
|
|
avio_w8(pb, 0xff);
|
|
avio_w8(pb, audio_profile);
|
|
avio_w8(pb, video_profile);
|
|
avio_w8(pb, 0xff);
|
|
return update_size(pb, pos);
|
|
}
|
|
|
|
static int mov_write_trex_tag(AVIOContext *pb, MOVTrack *track)
|
|
{
|
|
avio_wb32(pb, 0x20); /* size */
|
|
ffio_wfourcc(pb, "trex");
|
|
avio_wb32(pb, 0); /* version & flags */
|
|
avio_wb32(pb, track->track_id); /* track ID */
|
|
avio_wb32(pb, 1); /* default sample description index */
|
|
avio_wb32(pb, 0); /* default sample duration */
|
|
avio_wb32(pb, 0); /* default sample size */
|
|
avio_wb32(pb, 0); /* default sample flags */
|
|
return 0;
|
|
}
|
|
|
|
static int mov_write_mvex_tag(AVIOContext *pb, MOVMuxContext *mov)
|
|
{
|
|
int64_t pos = avio_tell(pb);
|
|
int i;
|
|
avio_wb32(pb, 0x0); /* size */
|
|
ffio_wfourcc(pb, "mvex");
|
|
for (i = 0; i < mov->nb_streams; i++)
|
|
mov_write_trex_tag(pb, &mov->tracks[i]);
|
|
return update_size(pb, pos);
|
|
}
|
|
|
|
static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
|
|
{
|
|
int max_track_id = 1, i;
|
|
int64_t max_track_len = 0;
|
|
int version;
|
|
|
|
for (i = 0; i < mov->nb_streams; i++) {
|
|
if (mov->tracks[i].entry > 0 && mov->tracks[i].timescale) {
|
|
int64_t max_track_len_temp = av_rescale_rnd(
|
|
calc_pts_duration(mov, &mov->tracks[i]),
|
|
MOV_TIMESCALE,
|
|
mov->tracks[i].timescale,
|
|
AV_ROUND_UP);
|
|
if (max_track_len < max_track_len_temp)
|
|
max_track_len = max_track_len_temp;
|
|
if (max_track_id < mov->tracks[i].track_id)
|
|
max_track_id = mov->tracks[i].track_id;
|
|
}
|
|
}
|
|
/* If using delay_moov, make sure the output is the same as if no
|
|
* samples had been written yet. */
|
|
if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
|
|
max_track_len = 0;
|
|
max_track_id = 1;
|
|
}
|
|
|
|
version = max_track_len < UINT32_MAX ? 0 : 1;
|
|
avio_wb32(pb, version == 1 ? 120 : 108); /* size */
|
|
|
|
ffio_wfourcc(pb, "mvhd");
|
|
avio_w8(pb, version);
|
|
avio_wb24(pb, 0); /* flags */
|
|
if (version == 1) {
|
|
avio_wb64(pb, mov->time);
|
|
avio_wb64(pb, mov->time);
|
|
} else {
|
|
avio_wb32(pb, mov->time); /* creation time */
|
|
avio_wb32(pb, mov->time); /* modification time */
|
|
}
|
|
avio_wb32(pb, MOV_TIMESCALE);
|
|
(version == 1) ? avio_wb64(pb, max_track_len) : avio_wb32(pb, max_track_len); /* duration of longest track */
|
|
|
|
avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
|
|
avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
|
|
avio_wb16(pb, 0); /* reserved */
|
|
avio_wb32(pb, 0); /* reserved */
|
|
avio_wb32(pb, 0); /* reserved */
|
|
|
|
/* Matrix structure */
|
|
write_matrix(pb, 1, 0, 0, 1, 0, 0);
|
|
|
|
avio_wb32(pb, 0); /* reserved (preview time) */
|
|
avio_wb32(pb, 0); /* reserved (preview duration) */
|
|
avio_wb32(pb, 0); /* reserved (poster time) */
|
|
avio_wb32(pb, 0); /* reserved (selection time) */
|
|
avio_wb32(pb, 0); /* reserved (selection duration) */
|
|
avio_wb32(pb, 0); /* reserved (current time) */
|
|
avio_wb32(pb, max_track_id + 1); /* Next track id */
|
|
return 0x6c;
|
|
}
|
|
|
|
static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
|
|
AVFormatContext *s)
|
|
{
|
|
avio_wb32(pb, 33); /* size */
|
|
ffio_wfourcc(pb, "hdlr");
|
|
avio_wb32(pb, 0);
|
|
avio_wb32(pb, 0);
|
|
ffio_wfourcc(pb, "mdir");
|
|
ffio_wfourcc(pb, "appl");
|
|
avio_wb32(pb, 0);
|
|
avio_wb32(pb, 0);
|
|
avio_w8(pb, 0);
|
|
return 33;
|
|
}
|
|
|
|
/* helper function to write a data tag with the specified string as data */
|
|
static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
|
|
{
|
|
if (long_style) {
|
|
int size = 16 + strlen(data);
|
|
avio_wb32(pb, size); /* size */
|
|
ffio_wfourcc(pb, "data");
|
|
avio_wb32(pb, 1);
|
|
avio_wb32(pb, 0);
|
|
avio_write(pb, data, strlen(data));
|
|
return size;
|
|
} else {
|
|
if (!lang)
|
|
lang = ff_mov_iso639_to_lang("und", 1);
|
|
avio_wb16(pb, strlen(data)); /* string length */
|
|
avio_wb16(pb, lang);
|
|
avio_write(pb, data, strlen(data));
|
|
return strlen(data) + 4;
|
|
}
|
|
}
|
|
|
|
static int mov_write_string_tag(AVIOContext *pb, const char *name,
|
|
const char *value, int lang, int long_style)
|
|
{
|
|
int size = 0;
|
|
if (value && value[0]) {
|
|
int64_t pos = avio_tell(pb);
|
|
avio_wb32(pb, 0); /* size */
|
|
ffio_wfourcc(pb, name);
|
|
mov_write_string_data_tag(pb, value, lang, long_style);
|
|
size = update_size(pb, pos);
|
|
}
|
|
return size;
|
|
}
|
|
|
|
static AVDictionaryEntry *get_metadata_lang(AVFormatContext *s,
|
|
const char *tag, int *lang)
|
|
{
|
|
int l, len, len2;
|
|
AVDictionaryEntry *t, *t2 = NULL;
|
|
char tag2[16];
|
|
|
|
*lang = 0;
|
|
|
|
if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
|
|
return NULL;
|
|
|
|
len = strlen(t->key);
|
|
snprintf(tag2, sizeof(tag2), "%s-", tag);
|
|
while ((t2 = av_dict_get(s->metadata, tag2, t2, AV_DICT_IGNORE_SUFFIX))) {
|
|
len2 = strlen(t2->key);
|
|
if (len2 == len + 4 && !strcmp(t->value, t2->value)
|
|
&& (l = ff_mov_iso639_to_lang(&t2->key[len2 - 3], 1)) >= 0) {
|
|
*lang = l;
|
|
return t;
|
|
}
|
|
}
|
|
return t;
|
|
}
|
|
|
|
static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
|
|
const char *name, const char *tag,
|
|
int long_style)
|
|
{
|
|
int lang;
|
|
AVDictionaryEntry *t = get_metadata_lang(s, tag, &lang);
|
|
if (!t)
|
|
return 0;
|
|
return mov_write_string_tag(pb, name, t->value, lang, long_style);
|
|
}
|
|
|
|
/* iTunes bpm number */
|
|
static int mov_write_tmpo_tag(AVIOContext *pb, AVFormatContext *s)
|
|
{
|
|
AVDictionaryEntry *t = av_dict_get(s->metadata, "tmpo", NULL, 0);
|
|
int size = 0, tmpo = t ? atoi(t->value) : 0;
|
|
if (tmpo) {
|
|
size = 26;
|
|
avio_wb32(pb, size);
|
|
ffio_wfourcc(pb, "tmpo");
|
|
avio_wb32(pb, size-8); /* size */
|
|
ffio_wfourcc(pb, "data");
|
|
avio_wb32(pb, 0x15); //type specifier
|
|
avio_wb32(pb, 0);
|
|
avio_wb16(pb, tmpo); // data
|
|
}
|
|
return size;
|
|
}
|
|
|
|
/* 3GPP TS 26.244 */
|
|
static int mov_write_loci_tag(AVFormatContext *s, AVIOContext *pb)
|
|
{
|
|
int lang;
|
|
int64_t pos = avio_tell(pb);
|
|
double latitude, longitude, altitude;
|
|
int32_t latitude_fix, longitude_fix, altitude_fix;
|
|
AVDictionaryEntry *t = get_metadata_lang(s, "location", &lang);
|
|
const char *ptr, *place = "";
|
|
char *end;
|
|
static const char *astronomical_body = "earth";
|
|
if (!t)
|
|
return 0;
|
|
|
|
ptr = t->value;
|
|
longitude = strtod(ptr, &end);
|
|
if (end == ptr) {
|
|
av_log(s, AV_LOG_WARNING, "malformed location metadata\n");
|
|
return 0;
|
|
}
|
|
ptr = end;
|
|
latitude = strtod(ptr, &end);
|
|
if (end == ptr) {
|
|
av_log(s, AV_LOG_WARNING, "malformed location metadata\n");
|
|
return 0;
|
|
}
|
|
ptr = end;
|
|
altitude = strtod(ptr, &end);
|
|
/* If no altitude was present, the default 0 should be fine */
|
|
if (*end == '/')
|
|
place = end + 1;
|
|
|
|
latitude_fix = (int32_t) ((1 << 16) * latitude);
|
|
longitude_fix = (int32_t) ((1 << 16) * longitude);
|
|
altitude_fix = (int32_t) ((1 << 16) * altitude);
|
|
|
|
avio_wb32(pb, 0); /* size */
|
|
ffio_wfourcc(pb, "loci"); /* type */
|
|
avio_wb32(pb, 0); /* version + flags */
|
|
avio_wb16(pb, lang);
|
|
avio_write(pb, place, strlen(place) + 1);
|
|
avio_w8(pb, 0); /* role of place (0 == shooting location, 1 == real location, 2 == fictional location) */
|
|
avio_wb32(pb, latitude_fix);
|
|
avio_wb32(pb, longitude_fix);
|
|
avio_wb32(pb, altitude_fix);
|
|
avio_write(pb, astronomical_body, strlen(astronomical_body) + 1);
|
|
avio_w8(pb, 0); /* additional notes, null terminated string */
|
|
|
|
return update_size(pb, pos);
|
|
}
|
|
|
|
/* iTunes track or disc number */
|
|
static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
|
|
AVFormatContext *s, int disc)
|
|
{
|
|
AVDictionaryEntry *t = av_dict_get(s->metadata,
|
|
disc ? "disc" : "track",
|
|
NULL, 0);
|
|
int size = 0, track = t ? atoi(t->value) : 0;
|
|
if (track) {
|
|
int tracks = 0;
|
|
char *slash = strchr(t->value, '/');
|
|
if (slash)
|
|
tracks = atoi(slash + 1);
|
|
avio_wb32(pb, 32); /* size */
|
|
ffio_wfourcc(pb, disc ? "disk" : "trkn");
|
|
avio_wb32(pb, 24); /* size */
|
|
ffio_wfourcc(pb, "data");
|
|
avio_wb32(pb, 0); // 8 bytes empty
|
|
avio_wb32(pb, 0);
|
|
avio_wb16(pb, 0); // empty
|
|
avio_wb16(pb, track); // track / disc number
|
|
avio_wb16(pb, tracks); // total track / disc number
|
|
avio_wb16(pb, 0); // empty
|
|
size = 32;
|
|
}
|
|
return size;
|
|
}
|
|
|
|
static int mov_write_int8_metadata(AVFormatContext *s, AVIOContext *pb,
|
|
const char *name, const char *tag,
|
|
int len)
|
|
{
|
|
AVDictionaryEntry *t = NULL;
|
|
uint8_t num;
|
|
int size = 24 + len;
|
|
|
|
if (len != 1 && len != 4)
|
|
return -1;
|
|
|
|
if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
|
|
return 0;
|
|
num = atoi(t->value);
|
|
|
|
avio_wb32(pb, size);
|
|
ffio_wfourcc(pb, name);
|
|
avio_wb32(pb, size - 8);
|
|
ffio_wfourcc(pb, "data");
|
|
avio_wb32(pb, 0x15);
|
|
avio_wb32(pb, 0);
|
|
if (len==4) avio_wb32(pb, num);
|
|
else avio_w8 (pb, num);
|
|
|
|
return size;
|
|
}
|
|
|
|
static int mov_write_covr(AVIOContext *pb, AVFormatContext *s)
|
|
{
|
|
MOVMuxContext *mov = s->priv_data;
|
|
int64_t pos = 0;
|
|
int i;
|
|
|
|
for (i = 0; i < s->nb_streams; i++) {
|
|
MOVTrack *trk = &mov->tracks[i];
|
|
|
|
if (!is_cover_image(trk->st) || trk->cover_image.size <= 0)
|
|
continue;
|
|
|
|
if (!pos) {
|
|
pos = avio_tell(pb);
|
|
avio_wb32(pb, 0);
|
|
ffio_wfourcc(pb, "covr");
|
|
}
|
|
avio_wb32(pb, 16 + trk->cover_image.size);
|
|
ffio_wfourcc(pb, "data");
|
|
avio_wb32(pb, trk->tag);
|
|
avio_wb32(pb , 0);
|
|
avio_write(pb, trk->cover_image.data, trk->cover_image.size);
|
|
}
|
|
|
|
return pos ? update_size(pb, pos) : 0;
|
|
}
|
|
|
|
/* iTunes meta data list */
|
|
static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
|
|
AVFormatContext *s)
|
|
{
|
|
int64_t pos = avio_tell(pb);
|
|
avio_wb32(pb, 0); /* size */
|
|
ffio_wfourcc(pb, "ilst");
|
|
mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
|
|
mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
|
|
mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
|
|
mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
|
|
mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
|
|
mov_write_string_metadata(s, pb, "\251day", "date" , 1);
|
|
if (!mov_write_string_metadata(s, pb, "\251too", "encoding_tool", 1)) {
|
|
if (!(s->flags & AVFMT_FLAG_BITEXACT))
|
|
mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
|
|
}
|
|
mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
|
|
mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
|
|
mov_write_string_metadata(s, pb, "cprt", "copyright", 1);
|
|
mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
|
|
mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
|
|
mov_write_string_metadata(s, pb, "desc", "description",1);
|
|
mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
|
|
mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
|
|
mov_write_string_metadata(s, pb, "tven", "episode_id",1);
|
|
mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
|
|
mov_write_string_metadata(s, pb, "keyw", "keywords" , 1);
|
|
mov_write_int8_metadata (s, pb, "tves", "episode_sort",4);
|
|
mov_write_int8_metadata (s, pb, "tvsn", "season_number",4);
|
|
mov_write_int8_metadata (s, pb, "stik", "media_type",1);
|
|
mov_write_int8_metadata (s, pb, "hdvd", "hd_video", 1);
|
|
mov_write_int8_metadata (s, pb, "pgap", "gapless_playback",1);
|
|
mov_write_int8_metadata (s, pb, "cpil", "compilation", 1);
|
|
mov_write_covr(pb, s);
|
|
mov_write_trkn_tag(pb, mov, s, 0); // track number
|
|
mov_write_trkn_tag(pb, mov, s, 1); // disc number
|
|
mov_write_tmpo_tag(pb, s);
|
|
return update_size(pb, pos);
|
|
}
|
|
|
|
static int mov_write_mdta_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
|
|
AVFormatContext *s)
|
|
{
|
|
avio_wb32(pb, 33); /* size */
|
|
ffio_wfourcc(pb, "hdlr");
|
|
avio_wb32(pb, 0);
|
|
avio_wb32(pb, 0);
|
|
ffio_wfourcc(pb, "mdta");
|
|
avio_wb32(pb, 0);
|
|
avio_wb32(pb, 0);
|
|
avio_wb32(pb, 0);
|
|
avio_w8(pb, 0);
|
|
return 33;
|
|
}
|
|
|
|
static int mov_write_mdta_keys_tag(AVIOContext *pb, MOVMuxContext *mov,
|
|
AVFormatContext *s)
|
|
{
|
|
AVDictionaryEntry *t = NULL;
|
|
int64_t pos = avio_tell(pb);
|
|
int64_t curpos, entry_pos;
|
|
int count = 0;
|
|
|
|
avio_wb32(pb, 0); /* size */
|
|
ffio_wfourcc(pb, "keys");
|
|
avio_wb32(pb, 0);
|
|
entry_pos = avio_tell(pb);
|
|
avio_wb32(pb, 0); /* entry count */
|
|
|
|
while (t = av_dict_get(s->metadata, "", t, AV_DICT_IGNORE_SUFFIX)) {
|
|
avio_wb32(pb, strlen(t->key) + 8);
|
|
ffio_wfourcc(pb, "mdta");
|
|
avio_write(pb, t->key, strlen(t->key));
|
|
count += 1;
|
|
}
|
|
curpos = avio_tell(pb);
|
|
avio_seek(pb, entry_pos, SEEK_SET);
|
|
avio_wb32(pb, count); // rewrite entry count
|
|
avio_seek(pb, curpos, SEEK_SET);
|
|
|
|
return update_size(pb, pos);
|
|
}
|
|
|
|
static int mov_write_mdta_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
|
|
AVFormatContext *s)
|
|
{
|
|
AVDictionaryEntry *t = NULL;
|
|
int64_t pos = avio_tell(pb);
|
|
int count = 1; /* keys are 1-index based */
|
|
|
|
avio_wb32(pb, 0); /* size */
|
|
ffio_wfourcc(pb, "ilst");
|
|
|
|
while (t = av_dict_get(s->metadata, "", t, AV_DICT_IGNORE_SUFFIX)) {
|
|
int64_t entry_pos = avio_tell(pb);
|
|
avio_wb32(pb, 0); /* size */
|
|
avio_wb32(pb, count); /* key */
|
|
mov_write_string_data_tag(pb, t->value, 0, 1);
|
|
update_size(pb, entry_pos);
|
|
count += 1;
|
|
}
|
|
return update_size(pb, pos);
|
|
}
|
|
|
|
/* meta data tags */
|
|
static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
|
|
AVFormatContext *s)
|
|
{
|
|
int size = 0;
|
|
int64_t pos = avio_tell(pb);
|
|
avio_wb32(pb, 0); /* size */
|
|
ffio_wfourcc(pb, "meta");
|
|
avio_wb32(pb, 0);
|
|
if (mov->flags & FF_MOV_FLAG_USE_MDTA) {
|
|
mov_write_mdta_hdlr_tag(pb, mov, s);
|
|
mov_write_mdta_keys_tag(pb, mov, s);
|
|
mov_write_mdta_ilst_tag(pb, mov, s);
|
|
}
|
|
else {
|
|
/* iTunes metadata tag */
|
|
mov_write_itunes_hdlr_tag(pb, mov, s);
|
|
mov_write_ilst_tag(pb, mov, s);
|
|
}
|
|
size = update_size(pb, pos);
|
|
return size;
|
|
}
|
|
|
|
static int mov_write_raw_metadata_tag(AVFormatContext *s, AVIOContext *pb,
|
|
const char *name, const char *key)
|
|
{
|
|
int len;
|
|
AVDictionaryEntry *t;
|
|
|
|
if (!(t = av_dict_get(s->metadata, key, NULL, 0)))
|
|
return 0;
|
|
|
|
len = strlen(t->value);
|
|
if (len > 0) {
|
|
int size = len + 8;
|
|
avio_wb32(pb, size);
|
|
ffio_wfourcc(pb, name);
|
|
avio_write(pb, t->value, len);
|
|
return size;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
|
|
{
|
|
int val;
|
|
while (*b) {
|
|
GET_UTF8(val, *b++, return -1;)
|
|
avio_wb16(pb, val);
|
|
}
|
|
avio_wb16(pb, 0x00);
|
|
return 0;
|
|
}
|
|
|
|
static uint16_t language_code(const char *str)
|
|
{
|
|
return (((str[0] - 0x60) & 0x1F) << 10) +
|
|
(((str[1] - 0x60) & 0x1F) << 5) +
|
|
(( str[2] - 0x60) & 0x1F);
|
|
}
|
|
|
|
static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
|
|
const char *tag, const char *str)
|
|
{
|
|
int64_t pos = avio_tell(pb);
|
|
AVDictionaryEntry *t = av_dict_get(s->metadata, str, NULL, 0);
|
|
if (!t || !utf8len(t->value))
|
|
return 0;
|
|
avio_wb32(pb, 0); /* size */
|
|
ffio_wfourcc(pb, tag); /* type */
|
|
avio_wb32(pb, 0); /* version + flags */
|
|
if (!strcmp(tag, "yrrc"))
|
|
avio_wb16(pb, atoi(t->value));
|
|
else {
|
|
avio_wb16(pb, language_code("eng")); /* language */
|
|
avio_write(pb, t->value, strlen(t->value) + 1); /* UTF8 string value */
|
|
if (!strcmp(tag, "albm") &&
|
|
(t = av_dict_get(s->metadata, "track", NULL, 0)))
|
|
avio_w8(pb, atoi(t->value));
|
|
}
|
|
return update_size(pb, pos);
|
|
}
|
|
|
|
static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
|
|
{
|
|
int64_t pos = avio_tell(pb);
|
|
int i, nb_chapters = FFMIN(s->nb_chapters, 255);
|
|
|
|
avio_wb32(pb, 0); // size
|
|
ffio_wfourcc(pb, "chpl");
|
|
avio_wb32(pb, 0x01000000); // version + flags
|
|
avio_wb32(pb, 0); // unknown
|
|
avio_w8(pb, nb_chapters);
|
|
|
|
for (i = 0; i < nb_chapters; i++) {
|
|
AVChapter *c = s->chapters[i];
|
|
AVDictionaryEntry *t;
|
|
avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
|
|
|
|
if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
|
|
int len = FFMIN(strlen(t->value), 255);
|
|
avio_w8(pb, len);
|
|
avio_write(pb, t->value, len);
|
|
} else
|
|
avio_w8(pb, 0);
|
|
}
|
|
return update_size(pb, pos);
|
|
}
|
|
|
|
static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
|
|
AVFormatContext *s)
|
|
{
|
|
AVIOContext *pb_buf;
|
|
int ret, size;
|
|
uint8_t *buf;
|
|
|
|
ret = avio_open_dyn_buf(&pb_buf);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
if (mov->mode & MODE_3GP) {
|
|
mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
|
|
mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
|
|
mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
|
|
mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
|
|
mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
|
|
mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
|
|
mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
|
|
mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
|
|
mov_write_loci_tag(s, pb_buf);
|
|
} else if (mov->mode == MODE_MOV && !(mov->flags & FF_MOV_FLAG_USE_MDTA)) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
|
|
mov_write_string_metadata(s, pb_buf, "\251ART", "artist", 0);
|
|
mov_write_string_metadata(s, pb_buf, "\251nam", "title", 0);
|
|
mov_write_string_metadata(s, pb_buf, "\251aut", "author", 0);
|
|
mov_write_string_metadata(s, pb_buf, "\251alb", "album", 0);
|
|
mov_write_string_metadata(s, pb_buf, "\251day", "date", 0);
|
|
mov_write_string_metadata(s, pb_buf, "\251swr", "encoder", 0);
|
|
// currently ignored by mov.c
|
|
mov_write_string_metadata(s, pb_buf, "\251des", "comment", 0);
|
|
// add support for libquicktime, this atom is also actually read by mov.c
|
|
mov_write_string_metadata(s, pb_buf, "\251cmt", "comment", 0);
|
|
mov_write_string_metadata(s, pb_buf, "\251gen", "genre", 0);
|
|
mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright", 0);
|
|
mov_write_string_metadata(s, pb_buf, "\251mak", "make", 0);
|
|
mov_write_string_metadata(s, pb_buf, "\251mod", "model", 0);
|
|
mov_write_string_metadata(s, pb_buf, "\251xyz", "location", 0);
|
|
mov_write_string_metadata(s, pb_buf, "\251key", "keywords", 0);
|
|
mov_write_raw_metadata_tag(s, pb_buf, "XMP_", "xmp");
|
|
} else {
|
|
/* iTunes meta data */
|
|
mov_write_meta_tag(pb_buf, mov, s);
|
|
mov_write_loci_tag(s, pb_buf);
|
|
}
|
|
|
|
if (s->nb_chapters && !(mov->flags & FF_MOV_FLAG_DISABLE_CHPL))
|
|
mov_write_chpl_tag(pb_buf, s);
|
|
|
|
if ((size = avio_get_dyn_buf(pb_buf, &buf)) > 0) {
|
|
avio_wb32(pb, size + 8);
|
|
ffio_wfourcc(pb, "udta");
|
|
avio_write(pb, buf, size);
|
|
}
|
|
ffio_free_dyn_buf(&pb_buf);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void mov_write_psp_udta_tag(AVIOContext *pb,
|
|
const char *str, const char *lang, int type)
|
|
{
|
|
int len = utf8len(str) + 1;
|
|
if (len <= 0)
|
|
return;
|
|
avio_wb16(pb, len * 2 + 10); /* size */
|
|
avio_wb32(pb, type); /* type */
|
|
avio_wb16(pb, language_code(lang)); /* language */
|
|
avio_wb16(pb, 0x01); /* ? */
|
|
ascii_to_wc(pb, str);
|
|
}
|
|
|
|
static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
|
|
{
|
|
AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0);
|
|
int64_t pos, pos2;
|
|
|
|
if (title) {
|
|
pos = avio_tell(pb);
|
|
avio_wb32(pb, 0); /* size placeholder*/
|
|
ffio_wfourcc(pb, "uuid");
|
|
ffio_wfourcc(pb, "USMT");
|
|
avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
|
|
avio_wb32(pb, 0xbb88695c);
|
|
avio_wb32(pb, 0xfac9c740);
|
|
|
|
pos2 = avio_tell(pb);
|
|
avio_wb32(pb, 0); /* size placeholder*/
|
|
ffio_wfourcc(pb, "MTDT");
|
|
avio_wb16(pb, 4);
|
|
|
|
// ?
|
|
avio_wb16(pb, 0x0C); /* size */
|
|
avio_wb32(pb, 0x0B); /* type */
|
|
avio_wb16(pb, language_code("und")); /* language */
|
|
avio_wb16(pb, 0x0); /* ? */
|
|
avio_wb16(pb, 0x021C); /* data */
|
|
|
|
if (!(s->flags & AVFMT_FLAG_BITEXACT))
|
|
mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
|
|
mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
|
|
mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
|
|
|
|
update_size(pb, pos2);
|
|
return update_size(pb, pos);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void build_chunks(MOVTrack *trk)
|
|
{
|
|
int i;
|
|
MOVIentry *chunk = &trk->cluster[0];
|
|
uint64_t chunkSize = chunk->size;
|
|
chunk->chunkNum = 1;
|
|
if (trk->chunkCount)
|
|
return;
|
|
trk->chunkCount = 1;
|
|
for (i = 1; i<trk->entry; i++){
|
|
if (chunk->pos + chunkSize == trk->cluster[i].pos &&
|
|
chunkSize + trk->cluster[i].size < (1<<20)){
|
|
chunkSize += trk->cluster[i].size;
|
|
chunk->samples_in_chunk += trk->cluster[i].entries;
|
|
} else {
|
|
trk->cluster[i].chunkNum = chunk->chunkNum+1;
|
|
chunk=&trk->cluster[i];
|
|
chunkSize = chunk->size;
|
|
trk->chunkCount++;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Assign track ids. If option "use_stream_ids_as_track_ids" is set,
|
|
* the stream ids are used as track ids.
|
|
*
|
|
* This assumes mov->tracks and s->streams are in the same order and
|
|
* there are no gaps in either of them (so mov->tracks[n] refers to
|
|
* s->streams[n]).
|
|
*
|
|
* As an exception, there can be more entries in
|
|
* s->streams than in mov->tracks, in which case new track ids are
|
|
* generated (starting after the largest found stream id).
|
|
*/
|
|
static int mov_setup_track_ids(MOVMuxContext *mov, AVFormatContext *s)
|
|
{
|
|
int i;
|
|
|
|
if (mov->track_ids_ok)
|
|
return 0;
|
|
|
|
if (mov->use_stream_ids_as_track_ids) {
|
|
int next_generated_track_id = 0;
|
|
for (i = 0; i < s->nb_streams; i++) {
|
|
if (s->streams[i]->id > next_generated_track_id)
|
|
next_generated_track_id = s->streams[i]->id;
|
|
}
|
|
|
|
for (i = 0; i < mov->nb_streams; i++) {
|
|
if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
|
|
continue;
|
|
|
|
mov->tracks[i].track_id = i >= s->nb_streams ? ++next_generated_track_id : s->streams[i]->id;
|
|
}
|
|
} else {
|
|
for (i = 0; i < mov->nb_streams; i++) {
|
|
if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
|
|
continue;
|
|
|
|
mov->tracks[i].track_id = i + 1;
|
|
}
|
|
}
|
|
|
|
mov->track_ids_ok = 1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
|
|
AVFormatContext *s)
|
|
{
|
|
int i;
|
|
int64_t pos = avio_tell(pb);
|
|
avio_wb32(pb, 0); /* size placeholder*/
|
|
ffio_wfourcc(pb, "moov");
|
|
|
|
mov_setup_track_ids(mov, s);
|
|
|
|
for (i = 0; i < mov->nb_streams; i++) {
|
|
if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
|
|
continue;
|
|
|
|
mov->tracks[i].time = mov->time;
|
|
|
|
if (mov->tracks[i].entry)
|
|
build_chunks(&mov->tracks[i]);
|
|
}
|
|
|
|
if (mov->chapter_track)
|
|
for (i = 0; i < s->nb_streams; i++) {
|
|
mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
|
|
mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].track_id;
|
|
}
|
|
for (i = 0; i < mov->nb_streams; i++) {
|
|
MOVTrack *track = &mov->tracks[i];
|
|
if (track->tag == MKTAG('r','t','p',' ')) {
|
|
track->tref_tag = MKTAG('h','i','n','t');
|
|
track->tref_id = mov->tracks[track->src_track].track_id;
|
|
} else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
|
|
int * fallback, size;
|
|
fallback = (int*)av_stream_get_side_data(track->st,
|
|
AV_PKT_DATA_FALLBACK_TRACK,
|
|
&size);
|
|
if (fallback != NULL && size == sizeof(int)) {
|
|
if (*fallback >= 0 && *fallback < mov->nb_streams) {
|
|
track->tref_tag = MKTAG('f','a','l','l');
|
|
track->tref_id = mov->tracks[*fallback].track_id;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
for (i = 0; i < mov->nb_streams; i++) {
|
|
if (mov->tracks[i].tag == MKTAG('t','m','c','d')) {
|
|
int src_trk = mov->tracks[i].src_track;
|
|
mov->tracks[src_trk].tref_tag = mov->tracks[i].tag;
|
|
mov->tracks[src_trk].tref_id = mov->tracks[i].track_id;
|
|
//src_trk may have a different timescale than the tmcd track
|
|
mov->tracks[i].track_duration = av_rescale(mov->tracks[src_trk].track_duration,
|
|
mov->tracks[i].timescale,
|
|
mov->tracks[src_trk].timescale);
|
|
}
|
|
}
|
|
|
|
mov_write_mvhd_tag(pb, mov);
|
|
if (mov->mode != MODE_MOV && !mov->iods_skip)
|
|
mov_write_iods_tag(pb, mov);
|
|
for (i = 0; i < mov->nb_streams; i++) {
|
|
if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_FRAGMENT) {
|
|
int ret = mov_write_trak_tag(s, pb, mov, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
|
|
if (ret < 0)
|
|
return ret;
|
|
}
|
|
}
|
|
if (mov->flags & FF_MOV_FLAG_FRAGMENT)
|
|
mov_write_mvex_tag(pb, mov); /* QuickTime requires trak to precede this */
|
|
|
|
if (mov->mode == MODE_PSP)
|
|
mov_write_uuidusmt_tag(pb, s);
|
|
else
|
|
mov_write_udta_tag(pb, mov, s);
|
|
|
|
return update_size(pb, pos);
|
|
}
|
|
|
|
static void param_write_int(AVIOContext *pb, const char *name, int value)
|
|
{
|
|
avio_printf(pb, "<param name=\"%s\" value=\"%d\" valuetype=\"data\"/>\n", name, value);
|
|
}
|
|
|
|
static void param_write_string(AVIOContext *pb, const char *name, const char *value)
|
|
{
|
|
avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, value);
|
|
}
|
|
|
|
static void param_write_hex(AVIOContext *pb, const char *name, const uint8_t *value, int len)
|
|
{
|
|
char buf[150];
|
|
len = FFMIN(sizeof(buf) / 2 - 1, len);
|
|
ff_data_to_hex(buf, value, len, 0);
|
|
buf[2 * len] = '\0';
|
|
avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, buf);
|
|
}
|
|
|
|
static int mov_write_isml_manifest(AVIOContext *pb, MOVMuxContext *mov, AVFormatContext *s)
|
|
{
|
|
int64_t pos = avio_tell(pb);
|
|
int i;
|
|
int64_t manifest_bit_rate = 0;
|
|
AVCPBProperties *props = NULL;
|
|
|
|
static const uint8_t uuid[] = {
|
|
0xa5, 0xd4, 0x0b, 0x30, 0xe8, 0x14, 0x11, 0xdd,
|
|
0xba, 0x2f, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66
|
|
};
|
|
|
|
avio_wb32(pb, 0);
|
|
ffio_wfourcc(pb, "uuid");
|
|
avio_write(pb, uuid, sizeof(uuid));
|
|
avio_wb32(pb, 0);
|
|
|
|
avio_printf(pb, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
|
|
avio_printf(pb, "<smil xmlns=\"http://www.w3.org/2001/SMIL20/Language\">\n");
|
|
avio_printf(pb, "<head>\n");
|
|
if (!(mov->fc->flags & AVFMT_FLAG_BITEXACT))
|
|
avio_printf(pb, "<meta name=\"creator\" content=\"%s\" />\n",
|
|
LIBAVFORMAT_IDENT);
|
|
avio_printf(pb, "</head>\n");
|
|
avio_printf(pb, "<body>\n");
|
|
avio_printf(pb, "<switch>\n");
|
|
|
|
mov_setup_track_ids(mov, s);
|
|
|
|
for (i = 0; i < mov->nb_streams; i++) {
|
|
MOVTrack *track = &mov->tracks[i];
|
|
const char *type;
|
|
int track_id = track->track_id;
|
|
char track_name_buf[32] = { 0 };
|
|
|
|
AVStream *st = track->st;
|
|
AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
|
|
|
|
if (track->par->codec_type == AVMEDIA_TYPE_VIDEO && !is_cover_image(st)) {
|
|
type = "video";
|
|
} else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
|
|
type = "audio";
|
|
} else {
|
|
continue;
|
|
}
|
|
|
|
props = (AVCPBProperties*)av_stream_get_side_data(track->st, AV_PKT_DATA_CPB_PROPERTIES, NULL);
|
|
|
|
if (track->par->bit_rate) {
|
|
manifest_bit_rate = track->par->bit_rate;
|
|
} else if (props) {
|
|
manifest_bit_rate = props->max_bitrate;
|
|
}
|
|
|
|
avio_printf(pb, "<%s systemBitrate=\"%"PRId64"\">\n", type,
|
|
manifest_bit_rate);
|
|
param_write_int(pb, "systemBitrate", manifest_bit_rate);
|
|
param_write_int(pb, "trackID", track_id);
|
|
param_write_string(pb, "systemLanguage", lang ? lang->value : "und");
|
|
|
|
/* Build track name piece by piece: */
|
|
/* 1. track type */
|
|
av_strlcat(track_name_buf, type, sizeof(track_name_buf));
|
|
/* 2. track language, if available */
|
|
if (lang)
|
|
av_strlcatf(track_name_buf, sizeof(track_name_buf),
|
|
"_%s", lang->value);
|
|
/* 3. special type suffix */
|
|
/* "_cc" = closed captions, "_ad" = audio_description */
|
|
if (st->disposition & AV_DISPOSITION_HEARING_IMPAIRED)
|
|
av_strlcat(track_name_buf, "_cc", sizeof(track_name_buf));
|
|
else if (st->disposition & AV_DISPOSITION_VISUAL_IMPAIRED)
|
|
av_strlcat(track_name_buf, "_ad", sizeof(track_name_buf));
|
|
|
|
param_write_string(pb, "trackName", track_name_buf);
|
|
|
|
if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
|
|
if (track->par->codec_id == AV_CODEC_ID_H264) {
|
|
uint8_t *ptr;
|
|
int size = track->par->extradata_size;
|
|
if (!ff_avc_write_annexb_extradata(track->par->extradata, &ptr,
|
|
&size)) {
|
|
param_write_hex(pb, "CodecPrivateData",
|
|
ptr ? ptr : track->par->extradata,
|
|
size);
|
|
av_free(ptr);
|
|
}
|
|
param_write_string(pb, "FourCC", "H264");
|
|
} else if (track->par->codec_id == AV_CODEC_ID_VC1) {
|
|
param_write_string(pb, "FourCC", "WVC1");
|
|
param_write_hex(pb, "CodecPrivateData", track->par->extradata,
|
|
track->par->extradata_size);
|
|
}
|
|
param_write_int(pb, "MaxWidth", track->par->width);
|
|
param_write_int(pb, "MaxHeight", track->par->height);
|
|
param_write_int(pb, "DisplayWidth", track->par->width);
|
|
param_write_int(pb, "DisplayHeight", track->par->height);
|
|
} else {
|
|
if (track->par->codec_id == AV_CODEC_ID_AAC) {
|
|
switch (track->par->profile)
|
|
{
|
|
case FF_PROFILE_AAC_HE_V2:
|
|
param_write_string(pb, "FourCC", "AACP");
|
|
break;
|
|
case FF_PROFILE_AAC_HE:
|
|
param_write_string(pb, "FourCC", "AACH");
|
|
break;
|
|
default:
|
|
param_write_string(pb, "FourCC", "AACL");
|
|
}
|
|
} else if (track->par->codec_id == AV_CODEC_ID_WMAPRO) {
|
|
param_write_string(pb, "FourCC", "WMAP");
|
|
}
|
|
param_write_hex(pb, "CodecPrivateData", track->par->extradata,
|
|
track->par->extradata_size);
|
|
param_write_int(pb, "AudioTag", ff_codec_get_tag(ff_codec_wav_tags,
|
|
track->par->codec_id));
|
|
param_write_int(pb, "Channels", track->par->channels);
|
|
param_write_int(pb, "SamplingRate", track->par->sample_rate);
|
|
param_write_int(pb, "BitsPerSample", 16);
|
|
param_write_int(pb, "PacketSize", track->par->block_align ?
|
|
track->par->block_align : 4);
|
|
}
|
|
avio_printf(pb, "</%s>\n", type);
|
|
}
|
|
avio_printf(pb, "</switch>\n");
|
|
avio_printf(pb, "</body>\n");
|
|
avio_printf(pb, "</smil>\n");
|
|
|
|
return update_size(pb, pos);
|
|
}
|
|
|
|
static int mov_write_mfhd_tag(AVIOContext *pb, MOVMuxContext *mov)
|
|
{
|
|
avio_wb32(pb, 16);
|
|
ffio_wfourcc(pb, "mfhd");
|
|
avio_wb32(pb, 0);
|
|
avio_wb32(pb, mov->fragments);
|
|
return 0;
|
|
}
|
|
|
|
static uint32_t get_sample_flags(MOVTrack *track, MOVIentry *entry)
|
|
{
|
|
return entry->flags & MOV_SYNC_SAMPLE ? MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO :
|
|
(MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC);
|
|
}
|
|
|
|
static int mov_write_tfhd_tag(AVIOContext *pb, MOVMuxContext *mov,
|
|
MOVTrack *track, int64_t moof_offset)
|
|
{
|
|
int64_t pos = avio_tell(pb);
|
|
uint32_t flags = MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
|
|
MOV_TFHD_BASE_DATA_OFFSET;
|
|
if (!track->entry) {
|
|
flags |= MOV_TFHD_DURATION_IS_EMPTY;
|
|
} else {
|
|
flags |= MOV_TFHD_DEFAULT_FLAGS;
|
|
}
|
|
if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET)
|
|
flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
|
|
if (mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF) {
|
|
flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
|
|
flags |= MOV_TFHD_DEFAULT_BASE_IS_MOOF;
|
|
}
|
|
/* CMAF requires all values to be explicit in tfhd atoms */
|
|
if (mov->flags & FF_MOV_FLAG_CMAF)
|
|
flags |= MOV_TFHD_STSD_ID;
|
|
|
|
/* Don't set a default sample size, the silverlight player refuses
|
|
* to play files with that set. Don't set a default sample duration,
|
|
* WMP freaks out if it is set. Don't set a base data offset, PIFF
|
|
* file format says it MUST NOT be set. */
|
|
if (track->mode == MODE_ISM)
|
|
flags &= ~(MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
|
|
MOV_TFHD_BASE_DATA_OFFSET | MOV_TFHD_STSD_ID);
|
|
|
|
avio_wb32(pb, 0); /* size placeholder */
|
|
ffio_wfourcc(pb, "tfhd");
|
|
avio_w8(pb, 0); /* version */
|
|
avio_wb24(pb, flags);
|
|
|
|
avio_wb32(pb, track->track_id); /* track-id */
|
|
if (flags & MOV_TFHD_BASE_DATA_OFFSET)
|
|
avio_wb64(pb, moof_offset);
|
|
if (flags & MOV_TFHD_STSD_ID) {
|
|
avio_wb32(pb, 1);
|
|
}
|
|
if (flags & MOV_TFHD_DEFAULT_DURATION) {
|
|
track->default_duration = get_cluster_duration(track, 0);
|
|
avio_wb32(pb, track->default_duration);
|
|
}
|
|
if (flags & MOV_TFHD_DEFAULT_SIZE) {
|
|
track->default_size = track->entry ? track->cluster[0].size : 1;
|
|
avio_wb32(pb, track->default_size);
|
|
} else
|
|
track->default_size = -1;
|
|
|
|
if (flags & MOV_TFHD_DEFAULT_FLAGS) {
|
|
/* Set the default flags based on the second sample, if available.
|
|
* If the first sample is different, that can be signaled via a separate field. */
|
|
if (track->entry > 1)
|
|
track->default_sample_flags = get_sample_flags(track, &track->cluster[1]);
|
|
else
|
|
track->default_sample_flags =
|
|
track->par->codec_type == AVMEDIA_TYPE_VIDEO ?
|
|
(MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC) :
|
|
MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO;
|
|
avio_wb32(pb, track->default_sample_flags);
|
|
}
|
|
|
|
return update_size(pb, pos);
|
|
}
|
|
|
|
static int mov_write_trun_tag(AVIOContext *pb, MOVMuxContext *mov,
|
|
MOVTrack *track, int moof_size,
|
|
int first, int end)
|
|
{
|
|
int64_t pos = avio_tell(pb);
|
|
uint32_t flags = MOV_TRUN_DATA_OFFSET;
|
|
int i;
|
|
|
|
for (i = first; i < end; i++) {
|
|
if (get_cluster_duration(track, i) != track->default_duration)
|
|
flags |= MOV_TRUN_SAMPLE_DURATION;
|
|
if (track->cluster[i].size != track->default_size)
|
|
flags |= MOV_TRUN_SAMPLE_SIZE;
|
|
if (i > first && get_sample_flags(track, &track->cluster[i]) != track->default_sample_flags)
|
|
flags |= MOV_TRUN_SAMPLE_FLAGS;
|
|
}
|
|
if (!(flags & MOV_TRUN_SAMPLE_FLAGS) && track->entry > 0 &&
|
|
get_sample_flags(track, &track->cluster[0]) != track->default_sample_flags)
|
|
flags |= MOV_TRUN_FIRST_SAMPLE_FLAGS;
|
|
if (track->flags & MOV_TRACK_CTTS)
|
|
flags |= MOV_TRUN_SAMPLE_CTS;
|
|
|
|
avio_wb32(pb, 0); /* size placeholder */
|
|
ffio_wfourcc(pb, "trun");
|
|
if (mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
|
|
avio_w8(pb, 1); /* version */
|
|
else
|
|
avio_w8(pb, 0); /* version */
|
|
avio_wb24(pb, flags);
|
|
|
|
avio_wb32(pb, end - first); /* sample count */
|
|
if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET &&
|
|
!(mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF) &&
|
|
!mov->first_trun)
|
|
avio_wb32(pb, 0); /* Later tracks follow immediately after the previous one */
|
|
else
|
|
avio_wb32(pb, moof_size + 8 + track->data_offset +
|
|
track->cluster[first].pos); /* data offset */
|
|
if (flags & MOV_TRUN_FIRST_SAMPLE_FLAGS)
|
|
avio_wb32(pb, get_sample_flags(track, &track->cluster[first]));
|
|
|
|
for (i = first; i < end; i++) {
|
|
if (flags & MOV_TRUN_SAMPLE_DURATION)
|
|
avio_wb32(pb, get_cluster_duration(track, i));
|
|
if (flags & MOV_TRUN_SAMPLE_SIZE)
|
|
avio_wb32(pb, track->cluster[i].size);
|
|
if (flags & MOV_TRUN_SAMPLE_FLAGS)
|
|
avio_wb32(pb, get_sample_flags(track, &track->cluster[i]));
|
|
if (flags & MOV_TRUN_SAMPLE_CTS)
|
|
avio_wb32(pb, track->cluster[i].cts);
|
|
}
|
|
|
|
mov->first_trun = 0;
|
|
return update_size(pb, pos);
|
|
}
|
|
|
|
static int mov_write_tfxd_tag(AVIOContext *pb, MOVTrack *track)
|
|
{
|
|
int64_t pos = avio_tell(pb);
|
|
static const uint8_t uuid[] = {
|
|
0x6d, 0x1d, 0x9b, 0x05, 0x42, 0xd5, 0x44, 0xe6,
|
|
0x80, 0xe2, 0x14, 0x1d, 0xaf, 0xf7, 0x57, 0xb2
|
|
};
|
|
|
|
avio_wb32(pb, 0); /* size placeholder */
|
|
ffio_wfourcc(pb, "uuid");
|
|
avio_write(pb, uuid, sizeof(uuid));
|
|
avio_w8(pb, 1);
|
|
avio_wb24(pb, 0);
|
|
avio_wb64(pb, track->start_dts + track->frag_start +
|
|
track->cluster[0].cts);
|
|
avio_wb64(pb, track->end_pts -
|
|
(track->cluster[0].dts + track->cluster[0].cts));
|
|
|
|
return update_size(pb, pos);
|
|
}
|
|
|
|
static int mov_write_tfrf_tag(AVIOContext *pb, MOVMuxContext *mov,
|
|
MOVTrack *track, int entry)
|
|
{
|
|
int n = track->nb_frag_info - 1 - entry, i;
|
|
int size = 8 + 16 + 4 + 1 + 16*n;
|
|
static const uint8_t uuid[] = {
|
|
0xd4, 0x80, 0x7e, 0xf2, 0xca, 0x39, 0x46, 0x95,
|
|
0x8e, 0x54, 0x26, 0xcb, 0x9e, 0x46, 0xa7, 0x9f
|
|
};
|
|
|
|
if (entry < 0)
|
|
return 0;
|
|
|
|
avio_seek(pb, track->frag_info[entry].tfrf_offset, SEEK_SET);
|
|
avio_wb32(pb, size);
|
|
ffio_wfourcc(pb, "uuid");
|
|
avio_write(pb, uuid, sizeof(uuid));
|
|
avio_w8(pb, 1);
|
|
avio_wb24(pb, 0);
|
|
avio_w8(pb, n);
|
|
for (i = 0; i < n; i++) {
|
|
int index = entry + 1 + i;
|
|
avio_wb64(pb, track->frag_info[index].time);
|
|
avio_wb64(pb, track->frag_info[index].duration);
|
|
}
|
|
if (n < mov->ism_lookahead) {
|
|
int free_size = 16 * (mov->ism_lookahead - n);
|
|
avio_wb32(pb, free_size);
|
|
ffio_wfourcc(pb, "free");
|
|
ffio_fill(pb, 0, free_size - 8);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int mov_write_tfrf_tags(AVIOContext *pb, MOVMuxContext *mov,
|
|
MOVTrack *track)
|
|
{
|
|
int64_t pos = avio_tell(pb);
|
|
int i;
|
|
for (i = 0; i < mov->ism_lookahead; i++) {
|
|
/* Update the tfrf tag for the last ism_lookahead fragments,
|
|
* nb_frag_info - 1 is the next fragment to be written. */
|
|
mov_write_tfrf_tag(pb, mov, track, track->nb_frag_info - 2 - i);
|
|
}
|
|
avio_seek(pb, pos, SEEK_SET);
|
|
return 0;
|
|
}
|
|
|
|
static int mov_add_tfra_entries(AVIOContext *pb, MOVMuxContext *mov, int tracks,
|
|
int size)
|
|
{
|
|
int i;
|
|
for (i = 0; i < mov->nb_streams; i++) {
|
|
MOVTrack *track = &mov->tracks[i];
|
|
MOVFragmentInfo *info;
|
|
if ((tracks >= 0 && i != tracks) || !track->entry)
|
|
continue;
|
|
track->nb_frag_info++;
|
|
if (track->nb_frag_info >= track->frag_info_capacity) {
|
|
unsigned new_capacity = track->nb_frag_info + MOV_FRAG_INFO_ALLOC_INCREMENT;
|
|
if (av_reallocp_array(&track->frag_info,
|
|
new_capacity,
|
|
sizeof(*track->frag_info)))
|
|
return AVERROR(ENOMEM);
|
|
track->frag_info_capacity = new_capacity;
|
|
}
|
|
info = &track->frag_info[track->nb_frag_info - 1];
|
|
info->offset = avio_tell(pb);
|
|
info->size = size;
|
|
// Try to recreate the original pts for the first packet
|
|
// from the fields we have stored
|
|
info->time = track->start_dts + track->frag_start +
|
|
track->cluster[0].cts;
|
|
info->duration = track->end_pts -
|
|
(track->cluster[0].dts + track->cluster[0].cts);
|
|
// If the pts is less than zero, we will have trimmed
|
|
// away parts of the media track using an edit list,
|
|
// and the corresponding start presentation time is zero.
|
|
if (info->time < 0) {
|
|
info->duration += info->time;
|
|
info->time = 0;
|
|
}
|
|
info->tfrf_offset = 0;
|
|
mov_write_tfrf_tags(pb, mov, track);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static void mov_prune_frag_info(MOVMuxContext *mov, int tracks, int max)
|
|
{
|
|
int i;
|
|
for (i = 0; i < mov->nb_streams; i++) {
|
|
MOVTrack *track = &mov->tracks[i];
|
|
if ((tracks >= 0 && i != tracks) || !track->entry)
|
|
continue;
|
|
if (track->nb_frag_info > max) {
|
|
memmove(track->frag_info, track->frag_info + (track->nb_frag_info - max), max * sizeof(*track->frag_info));
|
|
track->nb_frag_info = max;
|
|
}
|
|
}
|
|
}
|
|
|
|
static int mov_write_tfdt_tag(AVIOContext *pb, MOVTrack *track)
|
|
{
|
|
int64_t pos = avio_tell(pb);
|
|
|
|
avio_wb32(pb, 0); /* size */
|
|
ffio_wfourcc(pb, "tfdt");
|
|
avio_w8(pb, 1); /* version */
|
|
avio_wb24(pb, 0);
|
|
avio_wb64(pb, track->frag_start);
|
|
return update_size(pb, pos);
|
|
}
|
|
|
|
static int mov_write_traf_tag(AVIOContext *pb, MOVMuxContext *mov,
|
|
MOVTrack *track, int64_t moof_offset,
|
|
int moof_size)
|
|
{
|
|
int64_t pos = avio_tell(pb);
|
|
int i, start = 0;
|
|
avio_wb32(pb, 0); /* size placeholder */
|
|
ffio_wfourcc(pb, "traf");
|
|
|
|
mov_write_tfhd_tag(pb, mov, track, moof_offset);
|
|
if (mov->mode != MODE_ISM)
|
|
mov_write_tfdt_tag(pb, track);
|
|
for (i = 1; i < track->entry; i++) {
|
|
if (track->cluster[i].pos != track->cluster[i - 1].pos + track->cluster[i - 1].size) {
|
|
mov_write_trun_tag(pb, mov, track, moof_size, start, i);
|
|
start = i;
|
|
}
|
|
}
|
|
mov_write_trun_tag(pb, mov, track, moof_size, start, track->entry);
|
|
if (mov->mode == MODE_ISM) {
|
|
mov_write_tfxd_tag(pb, track);
|
|
|
|
if (mov->ism_lookahead) {
|
|
int i, size = 16 + 4 + 1 + 16 * mov->ism_lookahead;
|
|
|
|
if (track->nb_frag_info > 0) {
|
|
MOVFragmentInfo *info = &track->frag_info[track->nb_frag_info - 1];
|
|
if (!info->tfrf_offset)
|
|
info->tfrf_offset = avio_tell(pb);
|
|
}
|
|
avio_wb32(pb, 8 + size);
|
|
ffio_wfourcc(pb, "free");
|
|
for (i = 0; i < size; i++)
|
|
avio_w8(pb, 0);
|
|
}
|
|
}
|
|
|
|
return update_size(pb, pos);
|
|
}
|
|
|
|
static int mov_write_moof_tag_internal(AVIOContext *pb, MOVMuxContext *mov,
|
|
int tracks, int moof_size)
|
|
{
|
|
int64_t pos = avio_tell(pb);
|
|
int i;
|
|
|
|
avio_wb32(pb, 0); /* size placeholder */
|
|
ffio_wfourcc(pb, "moof");
|
|
mov->first_trun = 1;
|
|
|
|
mov_write_mfhd_tag(pb, mov);
|
|
for (i = 0; i < mov->nb_streams; i++) {
|
|
MOVTrack *track = &mov->tracks[i];
|
|
if (tracks >= 0 && i != tracks)
|
|
continue;
|
|
if (!track->entry)
|
|
continue;
|
|
mov_write_traf_tag(pb, mov, track, pos, moof_size);
|
|
}
|
|
|
|
return update_size(pb, pos);
|
|
}
|
|
|
|
static int mov_write_sidx_tag(AVIOContext *pb,
|
|
MOVTrack *track, int ref_size, int total_sidx_size)
|
|
{
|
|
int64_t pos = avio_tell(pb), offset_pos, end_pos;
|
|
int64_t presentation_time, duration, offset;
|
|
unsigned starts_with_SAP;
|
|
int i, entries;
|
|
|
|
if (track->entry) {
|
|
entries = 1;
|
|
presentation_time = track->start_dts + track->frag_start +
|
|
track->cluster[0].cts;
|
|
duration = track->end_pts -
|
|
(track->cluster[0].dts + track->cluster[0].cts);
|
|
starts_with_SAP = track->cluster[0].flags & MOV_SYNC_SAMPLE;
|
|
|
|
// pts<0 should be cut away using edts
|
|
if (presentation_time < 0) {
|
|
duration += presentation_time;
|
|
presentation_time = 0;
|
|
}
|
|
} else {
|
|
entries = track->nb_frag_info;
|
|
if (entries <= 0)
|
|
return 0;
|
|
presentation_time = track->frag_info[0].time;
|
|
}
|
|
|
|
avio_wb32(pb, 0); /* size */
|
|
ffio_wfourcc(pb, "sidx");
|
|
avio_w8(pb, 1); /* version */
|
|
avio_wb24(pb, 0);
|
|
avio_wb32(pb, track->track_id); /* reference_ID */
|
|
avio_wb32(pb, track->timescale); /* timescale */
|
|
avio_wb64(pb, presentation_time); /* earliest_presentation_time */
|
|
offset_pos = avio_tell(pb);
|
|
avio_wb64(pb, 0); /* first_offset (offset to referenced moof) */
|
|
avio_wb16(pb, 0); /* reserved */
|
|
|
|
avio_wb16(pb, entries); /* reference_count */
|
|
for (i = 0; i < entries; i++) {
|
|
if (!track->entry) {
|
|
if (i > 1 && track->frag_info[i].offset != track->frag_info[i - 1].offset + track->frag_info[i - 1].size) {
|
|
av_log(NULL, AV_LOG_ERROR, "Non-consecutive fragments, writing incorrect sidx\n");
|
|
}
|
|
duration = track->frag_info[i].duration;
|
|
ref_size = track->frag_info[i].size;
|
|
starts_with_SAP = 1;
|
|
}
|
|
avio_wb32(pb, (0 << 31) | (ref_size & 0x7fffffff)); /* reference_type (0 = media) | referenced_size */
|
|
avio_wb32(pb, duration); /* subsegment_duration */
|
|
avio_wb32(pb, (starts_with_SAP << 31) | (0 << 28) | 0); /* starts_with_SAP | SAP_type | SAP_delta_time */
|
|
}
|
|
|
|
end_pos = avio_tell(pb);
|
|
offset = pos + total_sidx_size - end_pos;
|
|
avio_seek(pb, offset_pos, SEEK_SET);
|
|
avio_wb64(pb, offset);
|
|
avio_seek(pb, end_pos, SEEK_SET);
|
|
return update_size(pb, pos);
|
|
}
|
|
|
|
static int mov_write_sidx_tags(AVIOContext *pb, MOVMuxContext *mov,
|
|
int tracks, int ref_size)
|
|
{
|
|
int i, round, ret;
|
|
AVIOContext *avio_buf;
|
|
int total_size = 0;
|
|
for (round = 0; round < 2; round++) {
|
|
// First run one round to calculate the total size of all
|
|
// sidx atoms.
|
|
// This would be much simpler if we'd only write one sidx
|
|
// atom, for the first track in the moof.
|
|
if (round == 0) {
|
|
if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
|
|
return ret;
|
|
} else {
|
|
avio_buf = pb;
|
|
}
|
|
for (i = 0; i < mov->nb_streams; i++) {
|
|
MOVTrack *track = &mov->tracks[i];
|
|
if (tracks >= 0 && i != tracks)
|
|
continue;
|
|
// When writing a sidx for the full file, entry is 0, but
|
|
// we want to include all tracks. ref_size is 0 in this case,
|
|
// since we read it from frag_info instead.
|
|
if (!track->entry && ref_size > 0)
|
|
continue;
|
|
total_size -= mov_write_sidx_tag(avio_buf, track, ref_size,
|
|
total_size);
|
|
}
|
|
if (round == 0)
|
|
total_size = ffio_close_null_buf(avio_buf);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int mov_write_prft_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks)
|
|
{
|
|
int64_t pos = avio_tell(pb), pts_us, ntp_ts;
|
|
MOVTrack *first_track;
|
|
int flags = 24;
|
|
|
|
/* PRFT should be associated with at most one track. So, choosing only the
|
|
* first track. */
|
|
if (tracks > 0)
|
|
return 0;
|
|
first_track = &(mov->tracks[0]);
|
|
|
|
if (!first_track->entry) {
|
|
av_log(mov->fc, AV_LOG_WARNING, "Unable to write PRFT, no entries in the track\n");
|
|
return 0;
|
|
}
|
|
|
|
if (first_track->cluster[0].pts == AV_NOPTS_VALUE) {
|
|
av_log(mov->fc, AV_LOG_WARNING, "Unable to write PRFT, first PTS is invalid\n");
|
|
return 0;
|
|
}
|
|
|
|
if (mov->write_prft == MOV_PRFT_SRC_WALLCLOCK) {
|
|
if (first_track->cluster[0].prft.wallclock) {
|
|
/* Round the NTP time to whole milliseconds. */
|
|
ntp_ts = ff_get_formatted_ntp_time((first_track->cluster[0].prft.wallclock / 1000) * 1000 +
|
|
NTP_OFFSET_US);
|
|
flags = first_track->cluster[0].prft.flags;
|
|
} else
|
|
ntp_ts = ff_get_formatted_ntp_time(ff_ntp_time());
|
|
} else if (mov->write_prft == MOV_PRFT_SRC_PTS) {
|
|
pts_us = av_rescale_q(first_track->cluster[0].pts,
|
|
first_track->st->time_base, AV_TIME_BASE_Q);
|
|
ntp_ts = ff_get_formatted_ntp_time(pts_us + NTP_OFFSET_US);
|
|
} else {
|
|
av_log(mov->fc, AV_LOG_WARNING, "Unsupported PRFT box configuration: %d\n",
|
|
mov->write_prft);
|
|
return 0;
|
|
}
|
|
|
|
avio_wb32(pb, 0); // Size place holder
|
|
ffio_wfourcc(pb, "prft"); // Type
|
|
avio_w8(pb, 1); // Version
|
|
avio_wb24(pb, flags); // Flags
|
|
avio_wb32(pb, first_track->track_id); // reference track ID
|
|
avio_wb64(pb, ntp_ts); // NTP time stamp
|
|
avio_wb64(pb, first_track->cluster[0].pts); //media time
|
|
return update_size(pb, pos);
|
|
}
|
|
|
|
static int mov_write_moof_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks,
|
|
int64_t mdat_size)
|
|
{
|
|
AVIOContext *avio_buf;
|
|
int ret, moof_size;
|
|
|
|
if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
|
|
return ret;
|
|
mov_write_moof_tag_internal(avio_buf, mov, tracks, 0);
|
|
moof_size = ffio_close_null_buf(avio_buf);
|
|
|
|
if (mov->flags & FF_MOV_FLAG_DASH &&
|
|
!(mov->flags & (FF_MOV_FLAG_GLOBAL_SIDX | FF_MOV_FLAG_SKIP_SIDX)))
|
|
mov_write_sidx_tags(pb, mov, tracks, moof_size + 8 + mdat_size);
|
|
|
|
if (mov->write_prft > MOV_PRFT_NONE && mov->write_prft < MOV_PRFT_NB)
|
|
mov_write_prft_tag(pb, mov, tracks);
|
|
|
|
if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX ||
|
|
!(mov->flags & FF_MOV_FLAG_SKIP_TRAILER) ||
|
|
mov->ism_lookahead) {
|
|
if ((ret = mov_add_tfra_entries(pb, mov, tracks, moof_size + 8 + mdat_size)) < 0)
|
|
return ret;
|
|
if (!(mov->flags & FF_MOV_FLAG_GLOBAL_SIDX) &&
|
|
mov->flags & FF_MOV_FLAG_SKIP_TRAILER) {
|
|
mov_prune_frag_info(mov, tracks, mov->ism_lookahead + 1);
|
|
}
|
|
}
|
|
|
|
return mov_write_moof_tag_internal(pb, mov, tracks, moof_size);
|
|
}
|
|
|
|
static int mov_write_tfra_tag(AVIOContext *pb, MOVTrack *track)
|
|
{
|
|
int64_t pos = avio_tell(pb);
|
|
int i;
|
|
|
|
avio_wb32(pb, 0); /* size placeholder */
|
|
ffio_wfourcc(pb, "tfra");
|
|
avio_w8(pb, 1); /* version */
|
|
avio_wb24(pb, 0);
|
|
|
|
avio_wb32(pb, track->track_id);
|
|
avio_wb32(pb, 0); /* length of traf/trun/sample num */
|
|
avio_wb32(pb, track->nb_frag_info);
|
|
for (i = 0; i < track->nb_frag_info; i++) {
|
|
avio_wb64(pb, track->frag_info[i].time);
|
|
avio_wb64(pb, track->frag_info[i].offset + track->data_offset);
|
|
avio_w8(pb, 1); /* traf number */
|
|
avio_w8(pb, 1); /* trun number */
|
|
avio_w8(pb, 1); /* sample number */
|
|
}
|
|
|
|
return update_size(pb, pos);
|
|
}
|
|
|
|
static int mov_write_mfra_tag(AVIOContext *pb, MOVMuxContext *mov)
|
|
{
|
|
int64_t pos = avio_tell(pb);
|
|
int i;
|
|
|
|
avio_wb32(pb, 0); /* size placeholder */
|
|
ffio_wfourcc(pb, "mfra");
|
|
/* An empty mfra atom is enough to indicate to the publishing point that
|
|
* the stream has ended. */
|
|
if (mov->flags & FF_MOV_FLAG_ISML)
|
|
return update_size(pb, pos);
|
|
|
|
for (i = 0; i < mov->nb_streams; i++) {
|
|
MOVTrack *track = &mov->tracks[i];
|
|
if (track->nb_frag_info)
|
|
mov_write_tfra_tag(pb, track);
|
|
}
|
|
|
|
avio_wb32(pb, 16);
|
|
ffio_wfourcc(pb, "mfro");
|
|
avio_wb32(pb, 0); /* version + flags */
|
|
avio_wb32(pb, avio_tell(pb) + 4 - pos);
|
|
|
|
return update_size(pb, pos);
|
|
}
|
|
|
|
static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
|
|
{
|
|
avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
|
|
ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
|
|
|
|
mov->mdat_pos = avio_tell(pb);
|
|
avio_wb32(pb, 0); /* size placeholder*/
|
|
ffio_wfourcc(pb, "mdat");
|
|
return 0;
|
|
}
|
|
|
|
static void mov_write_ftyp_tag_internal(AVIOContext *pb, AVFormatContext *s,
|
|
int has_h264, int has_video, int write_minor)
|
|
{
|
|
MOVMuxContext *mov = s->priv_data;
|
|
int minor = 0x200;
|
|
|
|
if (mov->major_brand && strlen(mov->major_brand) >= 4)
|
|
ffio_wfourcc(pb, mov->major_brand);
|
|
else if (mov->mode == MODE_3GP) {
|
|
ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
|
|
minor = has_h264 ? 0x100 : 0x200;
|
|
} else if (mov->mode & MODE_3G2) {
|
|
ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
|
|
minor = has_h264 ? 0x20000 : 0x10000;
|
|
} else if (mov->mode == MODE_PSP)
|
|
ffio_wfourcc(pb, "MSNV");
|
|
else if (mov->mode == MODE_MP4 && mov->flags & FF_MOV_FLAG_FRAGMENT &&
|
|
mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
|
|
ffio_wfourcc(pb, "iso6"); // Required when using signed CTS offsets in trun boxes
|
|
else if (mov->mode == MODE_MP4 && mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)
|
|
ffio_wfourcc(pb, "iso5"); // Required when using default-base-is-moof
|
|
else if (mov->mode == MODE_MP4 && mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
|
|
ffio_wfourcc(pb, "iso4");
|
|
else if (mov->mode == MODE_MP4)
|
|
ffio_wfourcc(pb, "isom");
|
|
else if (mov->mode == MODE_IPOD)
|
|
ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
|
|
else if (mov->mode == MODE_ISM)
|
|
ffio_wfourcc(pb, "isml");
|
|
else if (mov->mode == MODE_F4V)
|
|
ffio_wfourcc(pb, "f4v ");
|
|
else
|
|
ffio_wfourcc(pb, "qt ");
|
|
|
|
if (write_minor)
|
|
avio_wb32(pb, minor);
|
|
}
|
|
|
|
static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
|
|
{
|
|
MOVMuxContext *mov = s->priv_data;
|
|
int64_t pos = avio_tell(pb);
|
|
int has_h264 = 0, has_video = 0;
|
|
int i;
|
|
|
|
for (i = 0; i < s->nb_streams; i++) {
|
|
AVStream *st = s->streams[i];
|
|
if (is_cover_image(st))
|
|
continue;
|
|
if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
|
|
has_video = 1;
|
|
if (st->codecpar->codec_id == AV_CODEC_ID_H264)
|
|
has_h264 = 1;
|
|
}
|
|
|
|
avio_wb32(pb, 0); /* size */
|
|
ffio_wfourcc(pb, "ftyp");
|
|
|
|
// Write major brand
|
|
mov_write_ftyp_tag_internal(pb, s, has_h264, has_video, 1);
|
|
// Write the major brand as the first compatible brand as well
|
|
mov_write_ftyp_tag_internal(pb, s, has_h264, has_video, 0);
|
|
|
|
// Write compatible brands, ensuring that we don't write the major brand as a
|
|
// compatible brand a second time.
|
|
if (mov->mode == MODE_ISM) {
|
|
ffio_wfourcc(pb, "piff");
|
|
} else if (mov->mode != MODE_MOV) {
|
|
// We add tfdt atoms when fragmenting, signal this with the iso6 compatible
|
|
// brand, if not already the major brand. This is compatible with users that
|
|
// don't understand tfdt.
|
|
if (mov->mode == MODE_MP4) {
|
|
if (mov->flags & FF_MOV_FLAG_CMAF)
|
|
ffio_wfourcc(pb, "cmfc");
|
|
if (mov->flags & FF_MOV_FLAG_FRAGMENT && !(mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS))
|
|
ffio_wfourcc(pb, "iso6");
|
|
} else {
|
|
if (mov->flags & FF_MOV_FLAG_FRAGMENT)
|
|
ffio_wfourcc(pb, "iso6");
|
|
if (mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)
|
|
ffio_wfourcc(pb, "iso5");
|
|
else if (mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
|
|
ffio_wfourcc(pb, "iso4");
|
|
}
|
|
// Brands prior to iso5 can't be signaled when using default-base-is-moof
|
|
if (!(mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)) {
|
|
// write isom for mp4 only if it it's not the major brand already.
|
|
if (mov->mode != MODE_MP4 || mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS)
|
|
ffio_wfourcc(pb, "isom");
|
|
ffio_wfourcc(pb, "iso2");
|
|
if (has_h264)
|
|
ffio_wfourcc(pb, "avc1");
|
|
}
|
|
}
|
|
|
|
if (mov->mode == MODE_MP4)
|
|
ffio_wfourcc(pb, "mp41");
|
|
|
|
if (mov->flags & FF_MOV_FLAG_DASH && mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
|
|
ffio_wfourcc(pb, "dash");
|
|
|
|
return update_size(pb, pos);
|
|
}
|
|
|
|
static int mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
|
|
{
|
|
AVStream *video_st = s->streams[0];
|
|
AVCodecParameters *video_par = s->streams[0]->codecpar;
|
|
AVCodecParameters *audio_par = s->streams[1]->codecpar;
|
|
int audio_rate = audio_par->sample_rate;
|
|
int64_t frame_rate = video_st->avg_frame_rate.den ?
|
|
(video_st->avg_frame_rate.num * 0x10000LL) / video_st->avg_frame_rate.den :
|
|
0;
|
|
int audio_kbitrate = audio_par->bit_rate / 1000;
|
|
int video_kbitrate = FFMIN(video_par->bit_rate / 1000, 800 - audio_kbitrate);
|
|
|
|
if (frame_rate < 0 || frame_rate > INT32_MAX) {
|
|
av_log(s, AV_LOG_ERROR, "Frame rate %f outside supported range\n", frame_rate / (double)0x10000);
|
|
return AVERROR(EINVAL);
|
|
}
|
|
|
|
avio_wb32(pb, 0x94); /* size */
|
|
ffio_wfourcc(pb, "uuid");
|
|
ffio_wfourcc(pb, "PROF");
|
|
|
|
avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
|
|
avio_wb32(pb, 0xbb88695c);
|
|
avio_wb32(pb, 0xfac9c740);
|
|
|
|
avio_wb32(pb, 0x0); /* ? */
|
|
avio_wb32(pb, 0x3); /* 3 sections ? */
|
|
|
|
avio_wb32(pb, 0x14); /* size */
|
|
ffio_wfourcc(pb, "FPRF");
|
|
avio_wb32(pb, 0x0); /* ? */
|
|
avio_wb32(pb, 0x0); /* ? */
|
|
avio_wb32(pb, 0x0); /* ? */
|
|
|
|
avio_wb32(pb, 0x2c); /* size */
|
|
ffio_wfourcc(pb, "APRF"); /* audio */
|
|
avio_wb32(pb, 0x0);
|
|
avio_wb32(pb, 0x2); /* TrackID */
|
|
ffio_wfourcc(pb, "mp4a");
|
|
avio_wb32(pb, 0x20f);
|
|
avio_wb32(pb, 0x0);
|
|
avio_wb32(pb, audio_kbitrate);
|
|
avio_wb32(pb, audio_kbitrate);
|
|
avio_wb32(pb, audio_rate);
|
|
avio_wb32(pb, audio_par->channels);
|
|
|
|
avio_wb32(pb, 0x34); /* size */
|
|
ffio_wfourcc(pb, "VPRF"); /* video */
|
|
avio_wb32(pb, 0x0);
|
|
avio_wb32(pb, 0x1); /* TrackID */
|
|
if (video_par->codec_id == AV_CODEC_ID_H264) {
|
|
ffio_wfourcc(pb, "avc1");
|
|
avio_wb16(pb, 0x014D);
|
|
avio_wb16(pb, 0x0015);
|
|
} else {
|
|
ffio_wfourcc(pb, "mp4v");
|
|
avio_wb16(pb, 0x0000);
|
|
avio_wb16(pb, 0x0103);
|
|
}
|
|
avio_wb32(pb, 0x0);
|
|
avio_wb32(pb, video_kbitrate);
|
|
avio_wb32(pb, video_kbitrate);
|
|
avio_wb32(pb, frame_rate);
|
|
avio_wb32(pb, frame_rate);
|
|
avio_wb16(pb, video_par->width);
|
|
avio_wb16(pb, video_par->height);
|
|
avio_wb32(pb, 0x010001); /* ? */
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int mov_write_identification(AVIOContext *pb, AVFormatContext *s)
|
|
{
|
|
MOVMuxContext *mov = s->priv_data;
|
|
int i;
|
|
|
|
mov_write_ftyp_tag(pb,s);
|
|
if (mov->mode == MODE_PSP) {
|
|
int video_streams_nb = 0, audio_streams_nb = 0, other_streams_nb = 0;
|
|
for (i = 0; i < s->nb_streams; i++) {
|
|
AVStream *st = s->streams[i];
|
|
if (is_cover_image(st))
|
|
continue;
|
|
if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
|
|
video_streams_nb++;
|
|
else if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO)
|
|
audio_streams_nb++;
|
|
else
|
|
other_streams_nb++;
|
|
}
|
|
|
|
if (video_streams_nb != 1 || audio_streams_nb != 1 || other_streams_nb) {
|
|
av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
|
|
return AVERROR(EINVAL);
|
|
}
|
|
return mov_write_uuidprof_tag(pb, s);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
|
|
{
|
|
uint32_t c = -1;
|
|
int i, closed_gop = 0;
|
|
|
|
for (i = 0; i < pkt->size - 4; i++) {
|
|
c = (c << 8) + pkt->data[i];
|
|
if (c == 0x1b8) { // gop
|
|
closed_gop = pkt->data[i + 4] >> 6 & 0x01;
|
|
} else if (c == 0x100) { // pic
|
|
int temp_ref = (pkt->data[i + 1] << 2) | (pkt->data[i + 2] >> 6);
|
|
if (!temp_ref || closed_gop) // I picture is not reordered
|
|
*flags = MOV_SYNC_SAMPLE;
|
|
else
|
|
*flags = MOV_PARTIAL_SYNC_SAMPLE;
|
|
break;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static void mov_parse_vc1_frame(AVPacket *pkt, MOVTrack *trk)
|
|
{
|
|
const uint8_t *start, *next, *end = pkt->data + pkt->size;
|
|
int seq = 0, entry = 0;
|
|
int key = pkt->flags & AV_PKT_FLAG_KEY;
|
|
start = find_next_marker(pkt->data, end);
|
|
for (next = start; next < end; start = next) {
|
|
next = find_next_marker(start + 4, end);
|
|
switch (AV_RB32(start)) {
|
|
case VC1_CODE_SEQHDR:
|
|
seq = 1;
|
|
break;
|
|
case VC1_CODE_ENTRYPOINT:
|
|
entry = 1;
|
|
break;
|
|
case VC1_CODE_SLICE:
|
|
trk->vc1_info.slices = 1;
|
|
break;
|
|
}
|
|
}
|
|
if (!trk->entry && trk->vc1_info.first_packet_seen)
|
|
trk->vc1_info.first_frag_written = 1;
|
|
if (!trk->entry && !trk->vc1_info.first_frag_written) {
|
|
/* First packet in first fragment */
|
|
trk->vc1_info.first_packet_seq = seq;
|
|
trk->vc1_info.first_packet_entry = entry;
|
|
trk->vc1_info.first_packet_seen = 1;
|
|
} else if ((seq && !trk->vc1_info.packet_seq) ||
|
|
(entry && !trk->vc1_info.packet_entry)) {
|
|
int i;
|
|
for (i = 0; i < trk->entry; i++)
|
|
trk->cluster[i].flags &= ~MOV_SYNC_SAMPLE;
|
|
trk->has_keyframes = 0;
|
|
if (seq)
|
|
trk->vc1_info.packet_seq = 1;
|
|
if (entry)
|
|
trk->vc1_info.packet_entry = 1;
|
|
if (!trk->vc1_info.first_frag_written) {
|
|
/* First fragment */
|
|
if ((!seq || trk->vc1_info.first_packet_seq) &&
|
|
(!entry || trk->vc1_info.first_packet_entry)) {
|
|
/* First packet had the same headers as this one, readd the
|
|
* sync sample flag. */
|
|
trk->cluster[0].flags |= MOV_SYNC_SAMPLE;
|
|
trk->has_keyframes = 1;
|
|
}
|
|
}
|
|
}
|
|
if (trk->vc1_info.packet_seq && trk->vc1_info.packet_entry)
|
|
key = seq && entry;
|
|
else if (trk->vc1_info.packet_seq)
|
|
key = seq;
|
|
else if (trk->vc1_info.packet_entry)
|
|
key = entry;
|
|
if (key) {
|
|
trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
|
|
trk->has_keyframes++;
|
|
}
|
|
}
|
|
|
|
static void mov_parse_truehd_frame(AVPacket *pkt, MOVTrack *trk)
|
|
{
|
|
int length;
|
|
|
|
if (pkt->size < 8)
|
|
return;
|
|
|
|
length = (AV_RB16(pkt->data) & 0xFFF) * 2;
|
|
if (length < 8 || length > pkt->size)
|
|
return;
|
|
|
|
if (AV_RB32(pkt->data + 4) == 0xF8726FBA) {
|
|
trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
|
|
trk->has_keyframes++;
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
static int mov_flush_fragment_interleaving(AVFormatContext *s, MOVTrack *track)
|
|
{
|
|
MOVMuxContext *mov = s->priv_data;
|
|
int ret, buf_size;
|
|
uint8_t *buf;
|
|
int i, offset;
|
|
|
|
if (!track->mdat_buf)
|
|
return 0;
|
|
if (!mov->mdat_buf) {
|
|
if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
|
|
return ret;
|
|
}
|
|
buf_size = avio_get_dyn_buf(track->mdat_buf, &buf);
|
|
|
|
offset = avio_tell(mov->mdat_buf);
|
|
avio_write(mov->mdat_buf, buf, buf_size);
|
|
ffio_free_dyn_buf(&track->mdat_buf);
|
|
|
|
for (i = track->entries_flushed; i < track->entry; i++)
|
|
track->cluster[i].pos += offset;
|
|
track->entries_flushed = track->entry;
|
|
return 0;
|
|
}
|
|
|
|
static int mov_flush_fragment(AVFormatContext *s, int force)
|
|
{
|
|
MOVMuxContext *mov = s->priv_data;
|
|
int i, first_track = -1;
|
|
int64_t mdat_size = 0;
|
|
int ret;
|
|
int has_video = 0, starts_with_key = 0, first_video_track = 1;
|
|
|
|
if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
|
|
return 0;
|
|
|
|
// Try to fill in the duration of the last packet in each stream
|
|
// from queued packets in the interleave queues. If the flushing
|
|
// of fragments was triggered automatically by an AVPacket, we
|
|
// already have reliable info for the end of that track, but other
|
|
// tracks may need to be filled in.
|
|
for (i = 0; i < s->nb_streams; i++) {
|
|
MOVTrack *track = &mov->tracks[i];
|
|
if (!track->end_reliable) {
|
|
AVPacket pkt;
|
|
if (!ff_interleaved_peek(s, i, &pkt, 1)) {
|
|
if (track->dts_shift != AV_NOPTS_VALUE)
|
|
pkt.dts += track->dts_shift;
|
|
track->track_duration = pkt.dts - track->start_dts;
|
|
if (pkt.pts != AV_NOPTS_VALUE)
|
|
track->end_pts = pkt.pts;
|
|
else
|
|
track->end_pts = pkt.dts;
|
|
}
|
|
}
|
|
}
|
|
|
|
for (i = 0; i < mov->nb_streams; i++) {
|
|
MOVTrack *track = &mov->tracks[i];
|
|
if (track->entry <= 1)
|
|
continue;
|
|
// Sample durations are calculated as the diff of dts values,
|
|
// but for the last sample in a fragment, we don't know the dts
|
|
// of the first sample in the next fragment, so we have to rely
|
|
// on what was set as duration in the AVPacket. Not all callers
|
|
// set this though, so we might want to replace it with an
|
|
// estimate if it currently is zero.
|
|
if (get_cluster_duration(track, track->entry - 1) != 0)
|
|
continue;
|
|
// Use the duration (i.e. dts diff) of the second last sample for
|
|
// the last one. This is a wild guess (and fatal if it turns out
|
|
// to be too long), but probably the best we can do - having a zero
|
|
// duration is bad as well.
|
|
track->track_duration += get_cluster_duration(track, track->entry - 2);
|
|
track->end_pts += get_cluster_duration(track, track->entry - 2);
|
|
if (!mov->missing_duration_warned) {
|
|
av_log(s, AV_LOG_WARNING,
|
|
"Estimating the duration of the last packet in a "
|
|
"fragment, consider setting the duration field in "
|
|
"AVPacket instead.\n");
|
|
mov->missing_duration_warned = 1;
|
|
}
|
|
}
|
|
|
|
if (!mov->moov_written) {
|
|
int64_t pos = avio_tell(s->pb);
|
|
uint8_t *buf;
|
|
int buf_size, moov_size;
|
|
|
|
for (i = 0; i < mov->nb_streams; i++)
|
|
if (!mov->tracks[i].entry && !is_cover_image(mov->tracks[i].st))
|
|
break;
|
|
/* Don't write the initial moov unless all tracks have data */
|
|
if (i < mov->nb_streams && !force)
|
|
return 0;
|
|
|
|
moov_size = get_moov_size(s);
|
|
for (i = 0; i < mov->nb_streams; i++)
|
|
mov->tracks[i].data_offset = pos + moov_size + 8;
|
|
|
|
avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_HEADER);
|
|
if (mov->flags & FF_MOV_FLAG_DELAY_MOOV)
|
|
mov_write_identification(s->pb, s);
|
|
if ((ret = mov_write_moov_tag(s->pb, mov, s)) < 0)
|
|
return ret;
|
|
|
|
if (mov->flags & FF_MOV_FLAG_DELAY_MOOV) {
|
|
if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
|
|
mov->reserved_header_pos = avio_tell(s->pb);
|
|
avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_FLUSH_POINT);
|
|
mov->moov_written = 1;
|
|
return 0;
|
|
}
|
|
|
|
buf_size = avio_get_dyn_buf(mov->mdat_buf, &buf);
|
|
avio_wb32(s->pb, buf_size + 8);
|
|
ffio_wfourcc(s->pb, "mdat");
|
|
avio_write(s->pb, buf, buf_size);
|
|
ffio_free_dyn_buf(&mov->mdat_buf);
|
|
|
|
if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
|
|
mov->reserved_header_pos = avio_tell(s->pb);
|
|
|
|
mov->moov_written = 1;
|
|
mov->mdat_size = 0;
|
|
for (i = 0; i < mov->nb_streams; i++) {
|
|
if (mov->tracks[i].entry)
|
|
mov->tracks[i].frag_start += mov->tracks[i].start_dts +
|
|
mov->tracks[i].track_duration -
|
|
mov->tracks[i].cluster[0].dts;
|
|
mov->tracks[i].entry = 0;
|
|
mov->tracks[i].end_reliable = 0;
|
|
}
|
|
avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_FLUSH_POINT);
|
|
return 0;
|
|
}
|
|
|
|
if (mov->frag_interleave) {
|
|
for (i = 0; i < mov->nb_streams; i++) {
|
|
MOVTrack *track = &mov->tracks[i];
|
|
int ret;
|
|
if ((ret = mov_flush_fragment_interleaving(s, track)) < 0)
|
|
return ret;
|
|
}
|
|
|
|
if (!mov->mdat_buf)
|
|
return 0;
|
|
mdat_size = avio_tell(mov->mdat_buf);
|
|
}
|
|
|
|
for (i = 0; i < mov->nb_streams; i++) {
|
|
MOVTrack *track = &mov->tracks[i];
|
|
if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF || mov->frag_interleave)
|
|
track->data_offset = 0;
|
|
else
|
|
track->data_offset = mdat_size;
|
|
if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
|
|
has_video = 1;
|
|
if (first_video_track) {
|
|
if (track->entry)
|
|
starts_with_key = track->cluster[0].flags & MOV_SYNC_SAMPLE;
|
|
first_video_track = 0;
|
|
}
|
|
}
|
|
if (!track->entry)
|
|
continue;
|
|
if (track->mdat_buf)
|
|
mdat_size += avio_tell(track->mdat_buf);
|
|
if (first_track < 0)
|
|
first_track = i;
|
|
}
|
|
|
|
if (!mdat_size)
|
|
return 0;
|
|
|
|
avio_write_marker(s->pb,
|
|
av_rescale(mov->tracks[first_track].cluster[0].dts, AV_TIME_BASE, mov->tracks[first_track].timescale),
|
|
(has_video ? starts_with_key : mov->tracks[first_track].cluster[0].flags & MOV_SYNC_SAMPLE) ? AVIO_DATA_MARKER_SYNC_POINT : AVIO_DATA_MARKER_BOUNDARY_POINT);
|
|
|
|
for (i = 0; i < mov->nb_streams; i++) {
|
|
MOVTrack *track = &mov->tracks[i];
|
|
int buf_size, write_moof = 1, moof_tracks = -1;
|
|
uint8_t *buf;
|
|
int64_t duration = 0;
|
|
|
|
if (track->entry)
|
|
duration = track->start_dts + track->track_duration -
|
|
track->cluster[0].dts;
|
|
if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) {
|
|
if (!track->mdat_buf)
|
|
continue;
|
|
mdat_size = avio_tell(track->mdat_buf);
|
|
moof_tracks = i;
|
|
} else {
|
|
write_moof = i == first_track;
|
|
}
|
|
|
|
if (write_moof) {
|
|
avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_FLUSH_POINT);
|
|
|
|
mov_write_moof_tag(s->pb, mov, moof_tracks, mdat_size);
|
|
mov->fragments++;
|
|
|
|
avio_wb32(s->pb, mdat_size + 8);
|
|
ffio_wfourcc(s->pb, "mdat");
|
|
}
|
|
|
|
if (track->entry)
|
|
track->frag_start += duration;
|
|
track->entry = 0;
|
|
track->entries_flushed = 0;
|
|
track->end_reliable = 0;
|
|
if (!mov->frag_interleave) {
|
|
if (!track->mdat_buf)
|
|
continue;
|
|
buf_size = avio_close_dyn_buf(track->mdat_buf, &buf);
|
|
track->mdat_buf = NULL;
|
|
} else {
|
|
if (!mov->mdat_buf)
|
|
continue;
|
|
buf_size = avio_close_dyn_buf(mov->mdat_buf, &buf);
|
|
mov->mdat_buf = NULL;
|
|
}
|
|
|
|
avio_write(s->pb, buf, buf_size);
|
|
av_free(buf);
|
|
}
|
|
|
|
mov->mdat_size = 0;
|
|
|
|
avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_FLUSH_POINT);
|
|
return 0;
|
|
}
|
|
|
|
static int mov_auto_flush_fragment(AVFormatContext *s, int force)
|
|
{
|
|
MOVMuxContext *mov = s->priv_data;
|
|
int had_moov = mov->moov_written;
|
|
int ret = mov_flush_fragment(s, force);
|
|
if (ret < 0)
|
|
return ret;
|
|
// If using delay_moov, the first flush only wrote the moov,
|
|
// not the actual moof+mdat pair, thus flush once again.
|
|
if (!had_moov && mov->flags & FF_MOV_FLAG_DELAY_MOOV)
|
|
ret = mov_flush_fragment(s, force);
|
|
return ret;
|
|
}
|
|
|
|
static int check_pkt(AVFormatContext *s, AVPacket *pkt)
|
|
{
|
|
MOVMuxContext *mov = s->priv_data;
|
|
MOVTrack *trk = &mov->tracks[pkt->stream_index];
|
|
int64_t ref;
|
|
uint64_t duration;
|
|
|
|
if (trk->entry) {
|
|
ref = trk->cluster[trk->entry - 1].dts;
|
|
} else if ( trk->start_dts != AV_NOPTS_VALUE
|
|
&& !trk->frag_discont) {
|
|
ref = trk->start_dts + trk->track_duration;
|
|
} else
|
|
ref = pkt->dts; // Skip tests for the first packet
|
|
|
|
if (trk->dts_shift != AV_NOPTS_VALUE) {
|
|
/* With negative CTS offsets we have set an offset to the DTS,
|
|
* reverse this for the check. */
|
|
ref -= trk->dts_shift;
|
|
}
|
|
|
|
duration = pkt->dts - ref;
|
|
if (pkt->dts < ref || duration >= INT_MAX) {
|
|
av_log(s, AV_LOG_ERROR, "Application provided duration: %"PRId64" / timestamp: %"PRId64" is out of range for mov/mp4 format\n",
|
|
duration, pkt->dts
|
|
);
|
|
|
|
pkt->dts = ref + 1;
|
|
pkt->pts = AV_NOPTS_VALUE;
|
|
}
|
|
|
|
if (pkt->duration < 0 || pkt->duration > INT_MAX) {
|
|
av_log(s, AV_LOG_ERROR, "Application provided duration: %"PRId64" is invalid\n", pkt->duration);
|
|
return AVERROR(EINVAL);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
|
|
{
|
|
MOVMuxContext *mov = s->priv_data;
|
|
AVIOContext *pb = s->pb;
|
|
MOVTrack *trk = &mov->tracks[pkt->stream_index];
|
|
AVCodecParameters *par = trk->par;
|
|
AVProducerReferenceTime *prft;
|
|
unsigned int samples_in_chunk = 0;
|
|
int size = pkt->size, ret = 0, offset = 0;
|
|
int prft_size;
|
|
uint8_t *reformatted_data = NULL;
|
|
|
|
ret = check_pkt(s, pkt);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
|
|
int ret;
|
|
if (mov->moov_written || mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
|
|
if (mov->frag_interleave && mov->fragments > 0) {
|
|
if (trk->entry - trk->entries_flushed >= mov->frag_interleave) {
|
|
if ((ret = mov_flush_fragment_interleaving(s, trk)) < 0)
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
if (!trk->mdat_buf) {
|
|
if ((ret = avio_open_dyn_buf(&trk->mdat_buf)) < 0)
|
|
return ret;
|
|
}
|
|
pb = trk->mdat_buf;
|
|
} else {
|
|
if (!mov->mdat_buf) {
|
|
if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
|
|
return ret;
|
|
}
|
|
pb = mov->mdat_buf;
|
|
}
|
|
}
|
|
|
|
if (par->codec_id == AV_CODEC_ID_AMR_NB) {
|
|
/* We must find out how many AMR blocks there are in one packet */
|
|
static const uint16_t packed_size[16] =
|
|
{13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 1};
|
|
int len = 0;
|
|
|
|
while (len < size && samples_in_chunk < 100) {
|
|
len += packed_size[(pkt->data[len] >> 3) & 0x0F];
|
|
samples_in_chunk++;
|
|
}
|
|
if (samples_in_chunk > 1) {
|
|
av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
|
|
return -1;
|
|
}
|
|
} else if (par->codec_id == AV_CODEC_ID_ADPCM_MS ||
|
|
par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
|
|
samples_in_chunk = trk->par->frame_size;
|
|
} else if (trk->sample_size)
|
|
samples_in_chunk = size / trk->sample_size;
|
|
else
|
|
samples_in_chunk = 1;
|
|
|
|
if (samples_in_chunk < 1) {
|
|
av_log(s, AV_LOG_ERROR, "fatal error, input packet contains no samples\n");
|
|
return AVERROR_PATCHWELCOME;
|
|
}
|
|
|
|
/* copy extradata if it exists */
|
|
if (trk->vos_len == 0 && par->extradata_size > 0 &&
|
|
!TAG_IS_AVCI(trk->tag) &&
|
|
(par->codec_id != AV_CODEC_ID_DNXHD)) {
|
|
trk->vos_len = par->extradata_size;
|
|
trk->vos_data = av_malloc(trk->vos_len + AV_INPUT_BUFFER_PADDING_SIZE);
|
|
if (!trk->vos_data) {
|
|
ret = AVERROR(ENOMEM);
|
|
goto err;
|
|
}
|
|
memcpy(trk->vos_data, par->extradata, trk->vos_len);
|
|
memset(trk->vos_data + trk->vos_len, 0, AV_INPUT_BUFFER_PADDING_SIZE);
|
|
}
|
|
|
|
if ((par->codec_id == AV_CODEC_ID_DNXHD ||
|
|
par->codec_id == AV_CODEC_ID_H264 ||
|
|
par->codec_id == AV_CODEC_ID_HEVC ||
|
|
par->codec_id == AV_CODEC_ID_TRUEHD ||
|
|
par->codec_id == AV_CODEC_ID_AC3) && !trk->vos_len &&
|
|
!TAG_IS_AVCI(trk->tag)) {
|
|
/* copy frame to create needed atoms */
|
|
trk->vos_len = size;
|
|
trk->vos_data = av_malloc(size + AV_INPUT_BUFFER_PADDING_SIZE);
|
|
if (!trk->vos_data) {
|
|
ret = AVERROR(ENOMEM);
|
|
goto err;
|
|
}
|
|
memcpy(trk->vos_data, pkt->data, size);
|
|
memset(trk->vos_data + size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
|
|
}
|
|
|
|
if (par->codec_id == AV_CODEC_ID_AAC && pkt->size > 2 &&
|
|
(AV_RB16(pkt->data) & 0xfff0) == 0xfff0) {
|
|
if (!s->streams[pkt->stream_index]->nb_frames) {
|
|
av_log(s, AV_LOG_ERROR, "Malformed AAC bitstream detected: "
|
|
"use the audio bitstream filter 'aac_adtstoasc' to fix it "
|
|
"('-bsf:a aac_adtstoasc' option with ffmpeg)\n");
|
|
return -1;
|
|
}
|
|
av_log(s, AV_LOG_WARNING, "aac bitstream error\n");
|
|
}
|
|
if (par->codec_id == AV_CODEC_ID_H264 && trk->vos_len > 0 && *(uint8_t *)trk->vos_data != 1 && !TAG_IS_AVCI(trk->tag)) {
|
|
/* from x264 or from bytestream H.264 */
|
|
/* NAL reformatting needed */
|
|
if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
|
|
ret = ff_avc_parse_nal_units_buf(pkt->data, &reformatted_data,
|
|
&size);
|
|
if (ret < 0)
|
|
return ret;
|
|
avio_write(pb, reformatted_data, size);
|
|
} else {
|
|
if (trk->cenc.aes_ctr) {
|
|
size = ff_mov_cenc_avc_parse_nal_units(&trk->cenc, pb, pkt->data, size);
|
|
if (size < 0) {
|
|
ret = size;
|
|
goto err;
|
|
}
|
|
} else {
|
|
size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
|
|
}
|
|
}
|
|
} else if (par->codec_id == AV_CODEC_ID_HEVC && trk->vos_len > 6 &&
|
|
(AV_RB24(trk->vos_data) == 1 || AV_RB32(trk->vos_data) == 1)) {
|
|
/* extradata is Annex B, assume the bitstream is too and convert it */
|
|
if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
|
|
ret = ff_hevc_annexb2mp4_buf(pkt->data, &reformatted_data,
|
|
&size, 0, NULL);
|
|
if (ret < 0)
|
|
return ret;
|
|
avio_write(pb, reformatted_data, size);
|
|
} else {
|
|
size = ff_hevc_annexb2mp4(pb, pkt->data, pkt->size, 0, NULL);
|
|
}
|
|
} else if (par->codec_id == AV_CODEC_ID_AV1) {
|
|
if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
|
|
ret = ff_av1_filter_obus_buf(pkt->data, &reformatted_data,
|
|
&size, &offset);
|
|
if (ret < 0)
|
|
return ret;
|
|
avio_write(pb, reformatted_data, size);
|
|
} else {
|
|
size = ff_av1_filter_obus(pb, pkt->data, pkt->size);
|
|
}
|
|
#if CONFIG_AC3_PARSER
|
|
} else if (par->codec_id == AV_CODEC_ID_EAC3) {
|
|
size = handle_eac3(mov, pkt, trk);
|
|
if (size < 0)
|
|
return size;
|
|
else if (!size)
|
|
goto end;
|
|
avio_write(pb, pkt->data, size);
|
|
#endif
|
|
} else {
|
|
if (trk->cenc.aes_ctr) {
|
|
if (par->codec_id == AV_CODEC_ID_H264 && par->extradata_size > 4) {
|
|
int nal_size_length = (par->extradata[4] & 0x3) + 1;
|
|
ret = ff_mov_cenc_avc_write_nal_units(s, &trk->cenc, nal_size_length, pb, pkt->data, size);
|
|
} else {
|
|
ret = ff_mov_cenc_write_packet(&trk->cenc, pb, pkt->data, size);
|
|
}
|
|
|
|
if (ret) {
|
|
goto err;
|
|
}
|
|
} else {
|
|
avio_write(pb, pkt->data, size);
|
|
}
|
|
}
|
|
|
|
if (trk->entry >= trk->cluster_capacity) {
|
|
unsigned new_capacity = trk->entry + MOV_INDEX_CLUSTER_SIZE;
|
|
if (av_reallocp_array(&trk->cluster, new_capacity,
|
|
sizeof(*trk->cluster))) {
|
|
ret = AVERROR(ENOMEM);
|
|
goto err;
|
|
}
|
|
trk->cluster_capacity = new_capacity;
|
|
}
|
|
|
|
trk->cluster[trk->entry].pos = avio_tell(pb) - size;
|
|
trk->cluster[trk->entry].samples_in_chunk = samples_in_chunk;
|
|
trk->cluster[trk->entry].chunkNum = 0;
|
|
trk->cluster[trk->entry].size = size;
|
|
trk->cluster[trk->entry].entries = samples_in_chunk;
|
|
trk->cluster[trk->entry].dts = pkt->dts;
|
|
trk->cluster[trk->entry].pts = pkt->pts;
|
|
if (!trk->entry && trk->start_dts != AV_NOPTS_VALUE) {
|
|
if (!trk->frag_discont) {
|
|
/* First packet of a new fragment. We already wrote the duration
|
|
* of the last packet of the previous fragment based on track_duration,
|
|
* which might not exactly match our dts. Therefore adjust the dts
|
|
* of this packet to be what the previous packets duration implies. */
|
|
trk->cluster[trk->entry].dts = trk->start_dts + trk->track_duration;
|
|
/* We also may have written the pts and the corresponding duration
|
|
* in sidx/tfrf/tfxd tags; make sure the sidx pts and duration match up with
|
|
* the next fragment. This means the cts of the first sample must
|
|
* be the same in all fragments, unless end_pts was updated by
|
|
* the packet causing the fragment to be written. */
|
|
if ((mov->flags & FF_MOV_FLAG_DASH &&
|
|
!(mov->flags & (FF_MOV_FLAG_GLOBAL_SIDX | FF_MOV_FLAG_SKIP_SIDX))) ||
|
|
mov->mode == MODE_ISM)
|
|
pkt->pts = pkt->dts + trk->end_pts - trk->cluster[trk->entry].dts;
|
|
} else {
|
|
/* New fragment, but discontinuous from previous fragments.
|
|
* Pretend the duration sum of the earlier fragments is
|
|
* pkt->dts - trk->start_dts. */
|
|
trk->frag_start = pkt->dts - trk->start_dts;
|
|
trk->end_pts = AV_NOPTS_VALUE;
|
|
trk->frag_discont = 0;
|
|
}
|
|
}
|
|
|
|
if (!trk->entry && trk->start_dts == AV_NOPTS_VALUE && !mov->use_editlist &&
|
|
s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_MAKE_ZERO) {
|
|
/* Not using edit lists and shifting the first track to start from zero.
|
|
* If the other streams start from a later timestamp, we won't be able
|
|
* to signal the difference in starting time without an edit list.
|
|
* Thus move the timestamp for this first sample to 0, increasing
|
|
* its duration instead. */
|
|
trk->cluster[trk->entry].dts = trk->start_dts = 0;
|
|
}
|
|
if (trk->start_dts == AV_NOPTS_VALUE) {
|
|
trk->start_dts = pkt->dts;
|
|
if (trk->frag_discont) {
|
|
if (mov->use_editlist) {
|
|
/* Pretend the whole stream started at pts=0, with earlier fragments
|
|
* already written. If the stream started at pts=0, the duration sum
|
|
* of earlier fragments would have been pkt->pts. */
|
|
trk->frag_start = pkt->pts;
|
|
trk->start_dts = pkt->dts - pkt->pts;
|
|
} else {
|
|
/* Pretend the whole stream started at dts=0, with earlier fragments
|
|
* already written, with a duration summing up to pkt->dts. */
|
|
trk->frag_start = pkt->dts;
|
|
trk->start_dts = 0;
|
|
}
|
|
trk->frag_discont = 0;
|
|
} else if (pkt->dts && mov->moov_written)
|
|
av_log(s, AV_LOG_WARNING,
|
|
"Track %d starts with a nonzero dts %"PRId64", while the moov "
|
|
"already has been written. Set the delay_moov flag to handle "
|
|
"this case.\n",
|
|
pkt->stream_index, pkt->dts);
|
|
}
|
|
trk->track_duration = pkt->dts - trk->start_dts + pkt->duration;
|
|
trk->last_sample_is_subtitle_end = 0;
|
|
|
|
if (pkt->pts == AV_NOPTS_VALUE) {
|
|
av_log(s, AV_LOG_WARNING, "pts has no value\n");
|
|
pkt->pts = pkt->dts;
|
|
}
|
|
if (pkt->dts != pkt->pts)
|
|
trk->flags |= MOV_TRACK_CTTS;
|
|
trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
|
|
trk->cluster[trk->entry].flags = 0;
|
|
if (trk->start_cts == AV_NOPTS_VALUE)
|
|
trk->start_cts = pkt->pts - pkt->dts;
|
|
if (trk->end_pts == AV_NOPTS_VALUE)
|
|
trk->end_pts = trk->cluster[trk->entry].dts +
|
|
trk->cluster[trk->entry].cts + pkt->duration;
|
|
else
|
|
trk->end_pts = FFMAX(trk->end_pts, trk->cluster[trk->entry].dts +
|
|
trk->cluster[trk->entry].cts +
|
|
pkt->duration);
|
|
|
|
if (par->codec_id == AV_CODEC_ID_VC1) {
|
|
mov_parse_vc1_frame(pkt, trk);
|
|
} else if (par->codec_id == AV_CODEC_ID_TRUEHD) {
|
|
mov_parse_truehd_frame(pkt, trk);
|
|
} else if (pkt->flags & AV_PKT_FLAG_KEY) {
|
|
if (mov->mode == MODE_MOV && par->codec_id == AV_CODEC_ID_MPEG2VIDEO &&
|
|
trk->entry > 0) { // force sync sample for the first key frame
|
|
mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
|
|
if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
|
|
trk->flags |= MOV_TRACK_STPS;
|
|
} else {
|
|
trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
|
|
}
|
|
if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
|
|
trk->has_keyframes++;
|
|
}
|
|
if (pkt->flags & AV_PKT_FLAG_DISPOSABLE) {
|
|
trk->cluster[trk->entry].flags |= MOV_DISPOSABLE_SAMPLE;
|
|
trk->has_disposable++;
|
|
}
|
|
|
|
prft = (AVProducerReferenceTime *)av_packet_get_side_data(pkt, AV_PKT_DATA_PRFT, &prft_size);
|
|
if (prft && prft_size == sizeof(AVProducerReferenceTime))
|
|
memcpy(&trk->cluster[trk->entry].prft, prft, prft_size);
|
|
else
|
|
memset(&trk->cluster[trk->entry].prft, 0, sizeof(AVProducerReferenceTime));
|
|
|
|
trk->entry++;
|
|
trk->sample_count += samples_in_chunk;
|
|
mov->mdat_size += size;
|
|
|
|
if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
|
|
ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry,
|
|
reformatted_data ? reformatted_data + offset
|
|
: NULL, size);
|
|
|
|
end:
|
|
err:
|
|
|
|
if (pkt->data != reformatted_data)
|
|
av_free(reformatted_data);
|
|
return ret;
|
|
}
|
|
|
|
static int mov_write_single_packet(AVFormatContext *s, AVPacket *pkt)
|
|
{
|
|
MOVMuxContext *mov = s->priv_data;
|
|
MOVTrack *trk = &mov->tracks[pkt->stream_index];
|
|
AVCodecParameters *par = trk->par;
|
|
int64_t frag_duration = 0;
|
|
int size = pkt->size;
|
|
|
|
int ret = check_pkt(s, pkt);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
if (mov->flags & FF_MOV_FLAG_FRAG_DISCONT) {
|
|
int i;
|
|
for (i = 0; i < s->nb_streams; i++)
|
|
mov->tracks[i].frag_discont = 1;
|
|
mov->flags &= ~FF_MOV_FLAG_FRAG_DISCONT;
|
|
}
|
|
|
|
if (mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS) {
|
|
if (trk->dts_shift == AV_NOPTS_VALUE)
|
|
trk->dts_shift = pkt->pts - pkt->dts;
|
|
pkt->dts += trk->dts_shift;
|
|
}
|
|
|
|
if (trk->par->codec_id == AV_CODEC_ID_MP4ALS ||
|
|
trk->par->codec_id == AV_CODEC_ID_AAC ||
|
|
trk->par->codec_id == AV_CODEC_ID_AV1 ||
|
|
trk->par->codec_id == AV_CODEC_ID_FLAC) {
|
|
int side_size = 0;
|
|
uint8_t *side = av_packet_get_side_data(pkt, AV_PKT_DATA_NEW_EXTRADATA, &side_size);
|
|
if (side && side_size > 0 && (side_size != par->extradata_size || memcmp(side, par->extradata, side_size))) {
|
|
void *newextra = av_mallocz(side_size + AV_INPUT_BUFFER_PADDING_SIZE);
|
|
if (!newextra)
|
|
return AVERROR(ENOMEM);
|
|
av_free(par->extradata);
|
|
par->extradata = newextra;
|
|
memcpy(par->extradata, side, side_size);
|
|
par->extradata_size = side_size;
|
|
if (!pkt->size) // Flush packet
|
|
mov->need_rewrite_extradata = 1;
|
|
}
|
|
}
|
|
|
|
if (!pkt->size) {
|
|
if (trk->start_dts == AV_NOPTS_VALUE && trk->frag_discont) {
|
|
trk->start_dts = pkt->dts;
|
|
if (pkt->pts != AV_NOPTS_VALUE)
|
|
trk->start_cts = pkt->pts - pkt->dts;
|
|
else
|
|
trk->start_cts = 0;
|
|
}
|
|
|
|
return 0; /* Discard 0 sized packets */
|
|
}
|
|
|
|
if (trk->entry && pkt->stream_index < s->nb_streams)
|
|
frag_duration = av_rescale_q(pkt->dts - trk->cluster[0].dts,
|
|
s->streams[pkt->stream_index]->time_base,
|
|
AV_TIME_BASE_Q);
|
|
if ((mov->max_fragment_duration &&
|
|
frag_duration >= mov->max_fragment_duration) ||
|
|
(mov->max_fragment_size && mov->mdat_size + size >= mov->max_fragment_size) ||
|
|
(mov->flags & FF_MOV_FLAG_FRAG_KEYFRAME &&
|
|
par->codec_type == AVMEDIA_TYPE_VIDEO &&
|
|
trk->entry && pkt->flags & AV_PKT_FLAG_KEY) ||
|
|
(mov->flags & FF_MOV_FLAG_FRAG_EVERY_FRAME)) {
|
|
if (frag_duration >= mov->min_fragment_duration) {
|
|
// Set the duration of this track to line up with the next
|
|
// sample in this track. This avoids relying on AVPacket
|
|
// duration, but only helps for this particular track, not
|
|
// for the other ones that are flushed at the same time.
|
|
trk->track_duration = pkt->dts - trk->start_dts;
|
|
if (pkt->pts != AV_NOPTS_VALUE)
|
|
trk->end_pts = pkt->pts;
|
|
else
|
|
trk->end_pts = pkt->dts;
|
|
trk->end_reliable = 1;
|
|
mov_auto_flush_fragment(s, 0);
|
|
}
|
|
}
|
|
|
|
return ff_mov_write_packet(s, pkt);
|
|
}
|
|
|
|
static int mov_write_subtitle_end_packet(AVFormatContext *s,
|
|
int stream_index,
|
|
int64_t dts) {
|
|
AVPacket end;
|
|
uint8_t data[2] = {0};
|
|
int ret;
|
|
|
|
av_init_packet(&end);
|
|
end.size = sizeof(data);
|
|
end.data = data;
|
|
end.pts = dts;
|
|
end.dts = dts;
|
|
end.duration = 0;
|
|
end.stream_index = stream_index;
|
|
|
|
ret = mov_write_single_packet(s, &end);
|
|
av_packet_unref(&end);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
|
|
{
|
|
MOVMuxContext *mov = s->priv_data;
|
|
MOVTrack *trk;
|
|
|
|
if (!pkt) {
|
|
mov_flush_fragment(s, 1);
|
|
return 1;
|
|
}
|
|
|
|
trk = &mov->tracks[pkt->stream_index];
|
|
|
|
if (is_cover_image(trk->st)) {
|
|
int ret;
|
|
|
|
if (trk->st->nb_frames >= 1) {
|
|
if (trk->st->nb_frames == 1)
|
|
av_log(s, AV_LOG_WARNING, "Got more than one picture in stream %d,"
|
|
" ignoring.\n", pkt->stream_index);
|
|
return 0;
|
|
}
|
|
|
|
if ((ret = av_packet_ref(&trk->cover_image, pkt)) < 0)
|
|
return ret;
|
|
|
|
return 0;
|
|
} else {
|
|
int i;
|
|
|
|
if (!pkt->size)
|
|
return mov_write_single_packet(s, pkt); /* Passthrough. */
|
|
|
|
/*
|
|
* Subtitles require special handling.
|
|
*
|
|
* 1) For full complaince, every track must have a sample at
|
|
* dts == 0, which is rarely true for subtitles. So, as soon
|
|
* as we see any packet with dts > 0, write an empty subtitle
|
|
* at dts == 0 for any subtitle track with no samples in it.
|
|
*
|
|
* 2) For each subtitle track, check if the current packet's
|
|
* dts is past the duration of the last subtitle sample. If
|
|
* so, we now need to write an end sample for that subtitle.
|
|
*
|
|
* This must be done conditionally to allow for subtitles that
|
|
* immediately replace each other, in which case an end sample
|
|
* is not needed, and is, in fact, actively harmful.
|
|
*
|
|
* 3) See mov_write_trailer for how the final end sample is
|
|
* handled.
|
|
*/
|
|
for (i = 0; i < mov->nb_streams; i++) {
|
|
MOVTrack *trk = &mov->tracks[i];
|
|
int ret;
|
|
|
|
if (trk->par->codec_id == AV_CODEC_ID_MOV_TEXT &&
|
|
trk->track_duration < pkt->dts &&
|
|
(trk->entry == 0 || !trk->last_sample_is_subtitle_end)) {
|
|
ret = mov_write_subtitle_end_packet(s, i, trk->track_duration);
|
|
if (ret < 0) return ret;
|
|
trk->last_sample_is_subtitle_end = 1;
|
|
}
|
|
}
|
|
|
|
if (trk->mode == MODE_MOV && trk->par->codec_type == AVMEDIA_TYPE_VIDEO) {
|
|
AVPacket *opkt = pkt;
|
|
int reshuffle_ret, ret;
|
|
if (trk->is_unaligned_qt_rgb) {
|
|
int64_t bpc = trk->par->bits_per_coded_sample != 15 ? trk->par->bits_per_coded_sample : 16;
|
|
int expected_stride = ((trk->par->width * bpc + 15) >> 4)*2;
|
|
reshuffle_ret = ff_reshuffle_raw_rgb(s, &pkt, trk->par, expected_stride);
|
|
if (reshuffle_ret < 0)
|
|
return reshuffle_ret;
|
|
} else
|
|
reshuffle_ret = 0;
|
|
if (trk->par->format == AV_PIX_FMT_PAL8 && !trk->pal_done) {
|
|
ret = ff_get_packet_palette(s, opkt, reshuffle_ret, trk->palette);
|
|
if (ret < 0)
|
|
goto fail;
|
|
if (ret)
|
|
trk->pal_done++;
|
|
} else if (trk->par->codec_id == AV_CODEC_ID_RAWVIDEO &&
|
|
(trk->par->format == AV_PIX_FMT_GRAY8 ||
|
|
trk->par->format == AV_PIX_FMT_MONOBLACK)) {
|
|
for (i = 0; i < pkt->size; i++)
|
|
pkt->data[i] = ~pkt->data[i];
|
|
}
|
|
if (reshuffle_ret) {
|
|
ret = mov_write_single_packet(s, pkt);
|
|
fail:
|
|
if (reshuffle_ret)
|
|
av_packet_free(&pkt);
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
return mov_write_single_packet(s, pkt);
|
|
}
|
|
}
|
|
|
|
// QuickTime chapters involve an additional text track with the chapter names
|
|
// as samples, and a tref pointing from the other tracks to the chapter one.
|
|
static int mov_create_chapter_track(AVFormatContext *s, int tracknum)
|
|
{
|
|
AVIOContext *pb;
|
|
|
|
MOVMuxContext *mov = s->priv_data;
|
|
MOVTrack *track = &mov->tracks[tracknum];
|
|
AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
|
|
int i, len;
|
|
|
|
track->mode = mov->mode;
|
|
track->tag = MKTAG('t','e','x','t');
|
|
track->timescale = MOV_TIMESCALE;
|
|
track->par = avcodec_parameters_alloc();
|
|
if (!track->par)
|
|
return AVERROR(ENOMEM);
|
|
track->par->codec_type = AVMEDIA_TYPE_SUBTITLE;
|
|
#if 0
|
|
// These properties are required to make QT recognize the chapter track
|
|
uint8_t chapter_properties[43] = { 0, 0, 0, 0, 0, 0, 0, 1, };
|
|
if (ff_alloc_extradata(track->par, sizeof(chapter_properties)))
|
|
return AVERROR(ENOMEM);
|
|
memcpy(track->par->extradata, chapter_properties, sizeof(chapter_properties));
|
|
#else
|
|
if (avio_open_dyn_buf(&pb) >= 0) {
|
|
int size;
|
|
uint8_t *buf;
|
|
|
|
/* Stub header (usually for Quicktime chapter track) */
|
|
// TextSampleEntry
|
|
avio_wb32(pb, 0x01); // displayFlags
|
|
avio_w8(pb, 0x00); // horizontal justification
|
|
avio_w8(pb, 0x00); // vertical justification
|
|
avio_w8(pb, 0x00); // bgColourRed
|
|
avio_w8(pb, 0x00); // bgColourGreen
|
|
avio_w8(pb, 0x00); // bgColourBlue
|
|
avio_w8(pb, 0x00); // bgColourAlpha
|
|
// BoxRecord
|
|
avio_wb16(pb, 0x00); // defTextBoxTop
|
|
avio_wb16(pb, 0x00); // defTextBoxLeft
|
|
avio_wb16(pb, 0x00); // defTextBoxBottom
|
|
avio_wb16(pb, 0x00); // defTextBoxRight
|
|
// StyleRecord
|
|
avio_wb16(pb, 0x00); // startChar
|
|
avio_wb16(pb, 0x00); // endChar
|
|
avio_wb16(pb, 0x01); // fontID
|
|
avio_w8(pb, 0x00); // fontStyleFlags
|
|
avio_w8(pb, 0x00); // fontSize
|
|
avio_w8(pb, 0x00); // fgColourRed
|
|
avio_w8(pb, 0x00); // fgColourGreen
|
|
avio_w8(pb, 0x00); // fgColourBlue
|
|
avio_w8(pb, 0x00); // fgColourAlpha
|
|
// FontTableBox
|
|
avio_wb32(pb, 0x0D); // box size
|
|
ffio_wfourcc(pb, "ftab"); // box atom name
|
|
avio_wb16(pb, 0x01); // entry count
|
|
// FontRecord
|
|
avio_wb16(pb, 0x01); // font ID
|
|
avio_w8(pb, 0x00); // font name length
|
|
|
|
if ((size = avio_close_dyn_buf(pb, &buf)) > 0) {
|
|
track->par->extradata = buf;
|
|
track->par->extradata_size = size;
|
|
} else {
|
|
av_freep(&buf);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
for (i = 0; i < s->nb_chapters; i++) {
|
|
AVChapter *c = s->chapters[i];
|
|
AVDictionaryEntry *t;
|
|
|
|
int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
|
|
pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
|
|
pkt.duration = end - pkt.dts;
|
|
|
|
if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
|
|
static const char encd[12] = {
|
|
0x00, 0x00, 0x00, 0x0C,
|
|
'e', 'n', 'c', 'd',
|
|
0x00, 0x00, 0x01, 0x00 };
|
|
len = strlen(t->value);
|
|
pkt.size = len + 2 + 12;
|
|
pkt.data = av_malloc(pkt.size);
|
|
if (!pkt.data)
|
|
return AVERROR(ENOMEM);
|
|
AV_WB16(pkt.data, len);
|
|
memcpy(pkt.data + 2, t->value, len);
|
|
memcpy(pkt.data + len + 2, encd, sizeof(encd));
|
|
ff_mov_write_packet(s, &pkt);
|
|
av_freep(&pkt.data);
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
static int mov_check_timecode_track(AVFormatContext *s, AVTimecode *tc, int src_index, const char *tcstr)
|
|
{
|
|
int ret;
|
|
|
|
/* compute the frame number */
|
|
ret = av_timecode_init_from_string(tc, find_fps(s, s->streams[src_index]), tcstr, s);
|
|
return ret;
|
|
}
|
|
|
|
static int mov_create_timecode_track(AVFormatContext *s, int index, int src_index, AVTimecode tc)
|
|
{
|
|
int ret;
|
|
MOVMuxContext *mov = s->priv_data;
|
|
MOVTrack *track = &mov->tracks[index];
|
|
AVStream *src_st = s->streams[src_index];
|
|
AVPacket pkt = {.stream_index = index, .flags = AV_PKT_FLAG_KEY, .size = 4};
|
|
AVRational rate = find_fps(s, src_st);
|
|
|
|
/* tmcd track based on video stream */
|
|
track->mode = mov->mode;
|
|
track->tag = MKTAG('t','m','c','d');
|
|
track->src_track = src_index;
|
|
track->timescale = mov->tracks[src_index].timescale;
|
|
if (tc.flags & AV_TIMECODE_FLAG_DROPFRAME)
|
|
track->timecode_flags |= MOV_TIMECODE_FLAG_DROPFRAME;
|
|
|
|
/* set st to src_st for metadata access*/
|
|
track->st = src_st;
|
|
|
|
/* encode context: tmcd data stream */
|
|
track->par = avcodec_parameters_alloc();
|
|
if (!track->par)
|
|
return AVERROR(ENOMEM);
|
|
track->par->codec_type = AVMEDIA_TYPE_DATA;
|
|
track->par->codec_tag = track->tag;
|
|
track->st->avg_frame_rate = av_inv_q(rate);
|
|
|
|
/* the tmcd track just contains one packet with the frame number */
|
|
pkt.data = av_malloc(pkt.size);
|
|
if (!pkt.data)
|
|
return AVERROR(ENOMEM);
|
|
AV_WB32(pkt.data, tc.start);
|
|
ret = ff_mov_write_packet(s, &pkt);
|
|
av_free(pkt.data);
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* st->disposition controls the "enabled" flag in the tkhd tag.
|
|
* QuickTime will not play a track if it is not enabled. So make sure
|
|
* that one track of each type (audio, video, subtitle) is enabled.
|
|
*
|
|
* Subtitles are special. For audio and video, setting "enabled" also
|
|
* makes the track "default" (i.e. it is rendered when played). For
|
|
* subtitles, an "enabled" subtitle is not rendered by default, but
|
|
* if no subtitle is enabled, the subtitle menu in QuickTime will be
|
|
* empty!
|
|
*/
|
|
static void enable_tracks(AVFormatContext *s)
|
|
{
|
|
MOVMuxContext *mov = s->priv_data;
|
|
int i;
|
|
int enabled[AVMEDIA_TYPE_NB];
|
|
int first[AVMEDIA_TYPE_NB];
|
|
|
|
for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
|
|
enabled[i] = 0;
|
|
first[i] = -1;
|
|
}
|
|
|
|
for (i = 0; i < s->nb_streams; i++) {
|
|
AVStream *st = s->streams[i];
|
|
|
|
if (st->codecpar->codec_type <= AVMEDIA_TYPE_UNKNOWN ||
|
|
st->codecpar->codec_type >= AVMEDIA_TYPE_NB ||
|
|
is_cover_image(st))
|
|
continue;
|
|
|
|
if (first[st->codecpar->codec_type] < 0)
|
|
first[st->codecpar->codec_type] = i;
|
|
if (st->disposition & AV_DISPOSITION_DEFAULT) {
|
|
mov->tracks[i].flags |= MOV_TRACK_ENABLED;
|
|
enabled[st->codecpar->codec_type]++;
|
|
}
|
|
}
|
|
|
|
for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
|
|
switch (i) {
|
|
case AVMEDIA_TYPE_VIDEO:
|
|
case AVMEDIA_TYPE_AUDIO:
|
|
case AVMEDIA_TYPE_SUBTITLE:
|
|
if (enabled[i] > 1)
|
|
mov->per_stream_grouping = 1;
|
|
if (!enabled[i] && first[i] >= 0)
|
|
mov->tracks[first[i]].flags |= MOV_TRACK_ENABLED;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void mov_free(AVFormatContext *s)
|
|
{
|
|
MOVMuxContext *mov = s->priv_data;
|
|
int i;
|
|
|
|
if (mov->chapter_track) {
|
|
if (mov->tracks[mov->chapter_track].par)
|
|
av_freep(&mov->tracks[mov->chapter_track].par->extradata);
|
|
av_freep(&mov->tracks[mov->chapter_track].par);
|
|
}
|
|
|
|
for (i = 0; i < mov->nb_streams; i++) {
|
|
if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
|
|
ff_mov_close_hinting(&mov->tracks[i]);
|
|
else if (mov->tracks[i].tag == MKTAG('t','m','c','d') && mov->nb_meta_tmcd)
|
|
av_freep(&mov->tracks[i].par);
|
|
av_freep(&mov->tracks[i].cluster);
|
|
av_freep(&mov->tracks[i].frag_info);
|
|
av_packet_unref(&mov->tracks[i].cover_image);
|
|
|
|
if (mov->tracks[i].eac3_priv) {
|
|
struct eac3_info *info = mov->tracks[i].eac3_priv;
|
|
av_packet_unref(&info->pkt);
|
|
av_freep(&mov->tracks[i].eac3_priv);
|
|
}
|
|
if (mov->tracks[i].vos_len)
|
|
av_freep(&mov->tracks[i].vos_data);
|
|
|
|
ff_mov_cenc_free(&mov->tracks[i].cenc);
|
|
}
|
|
|
|
av_freep(&mov->tracks);
|
|
}
|
|
|
|
static uint32_t rgb_to_yuv(uint32_t rgb)
|
|
{
|
|
uint8_t r, g, b;
|
|
int y, cb, cr;
|
|
|
|
r = (rgb >> 16) & 0xFF;
|
|
g = (rgb >> 8) & 0xFF;
|
|
b = (rgb ) & 0xFF;
|
|
|
|
y = av_clip_uint8(( 16000 + 257 * r + 504 * g + 98 * b)/1000);
|
|
cb = av_clip_uint8((128000 - 148 * r - 291 * g + 439 * b)/1000);
|
|
cr = av_clip_uint8((128000 + 439 * r - 368 * g - 71 * b)/1000);
|
|
|
|
return (y << 16) | (cr << 8) | cb;
|
|
}
|
|
|
|
static int mov_create_dvd_sub_decoder_specific_info(MOVTrack *track,
|
|
AVStream *st)
|
|
{
|
|
int i, width = 720, height = 480;
|
|
int have_palette = 0, have_size = 0;
|
|
uint32_t palette[16];
|
|
char *cur = st->codecpar->extradata;
|
|
|
|
while (cur && *cur) {
|
|
if (strncmp("palette:", cur, 8) == 0) {
|
|
int i, count;
|
|
count = sscanf(cur + 8,
|
|
"%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
|
|
"%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
|
|
"%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
|
|
"%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32"",
|
|
&palette[ 0], &palette[ 1], &palette[ 2], &palette[ 3],
|
|
&palette[ 4], &palette[ 5], &palette[ 6], &palette[ 7],
|
|
&palette[ 8], &palette[ 9], &palette[10], &palette[11],
|
|
&palette[12], &palette[13], &palette[14], &palette[15]);
|
|
|
|
for (i = 0; i < count; i++) {
|
|
palette[i] = rgb_to_yuv(palette[i]);
|
|
}
|
|
have_palette = 1;
|
|
} else if (!strncmp("size:", cur, 5)) {
|
|
sscanf(cur + 5, "%dx%d", &width, &height);
|
|
have_size = 1;
|
|
}
|
|
if (have_palette && have_size)
|
|
break;
|
|
cur += strcspn(cur, "\n\r");
|
|
cur += strspn(cur, "\n\r");
|
|
}
|
|
if (have_palette) {
|
|
track->vos_data = av_malloc(16*4 + AV_INPUT_BUFFER_PADDING_SIZE);
|
|
if (!track->vos_data)
|
|
return AVERROR(ENOMEM);
|
|
for (i = 0; i < 16; i++) {
|
|
AV_WB32(track->vos_data + i * 4, palette[i]);
|
|
}
|
|
memset(track->vos_data + 16*4, 0, AV_INPUT_BUFFER_PADDING_SIZE);
|
|
track->vos_len = 16 * 4;
|
|
}
|
|
st->codecpar->width = width;
|
|
st->codecpar->height = track->height = height;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int mov_init(AVFormatContext *s)
|
|
{
|
|
MOVMuxContext *mov = s->priv_data;
|
|
AVDictionaryEntry *global_tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
|
|
int i, ret;
|
|
|
|
mov->fc = s;
|
|
|
|
/* Default mode == MP4 */
|
|
mov->mode = MODE_MP4;
|
|
|
|
if (s->oformat) {
|
|
if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
|
|
else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
|
|
else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
|
|
else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
|
|
else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
|
|
else if (!strcmp("ismv",s->oformat->name)) mov->mode = MODE_ISM;
|
|
else if (!strcmp("f4v", s->oformat->name)) mov->mode = MODE_F4V;
|
|
}
|
|
|
|
if (mov->flags & FF_MOV_FLAG_DELAY_MOOV)
|
|
mov->flags |= FF_MOV_FLAG_EMPTY_MOOV;
|
|
|
|
/* Set the FRAGMENT flag if any of the fragmentation methods are
|
|
* enabled. */
|
|
if (mov->max_fragment_duration || mov->max_fragment_size ||
|
|
mov->flags & (FF_MOV_FLAG_EMPTY_MOOV |
|
|
FF_MOV_FLAG_FRAG_KEYFRAME |
|
|
FF_MOV_FLAG_FRAG_CUSTOM |
|
|
FF_MOV_FLAG_FRAG_EVERY_FRAME))
|
|
mov->flags |= FF_MOV_FLAG_FRAGMENT;
|
|
|
|
/* Set other implicit flags immediately */
|
|
if (mov->mode == MODE_ISM)
|
|
mov->flags |= FF_MOV_FLAG_EMPTY_MOOV | FF_MOV_FLAG_SEPARATE_MOOF |
|
|
FF_MOV_FLAG_FRAGMENT | FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS;
|
|
if (mov->flags & FF_MOV_FLAG_DASH)
|
|
mov->flags |= FF_MOV_FLAG_FRAGMENT | FF_MOV_FLAG_EMPTY_MOOV |
|
|
FF_MOV_FLAG_DEFAULT_BASE_MOOF;
|
|
if (mov->flags & FF_MOV_FLAG_CMAF)
|
|
mov->flags |= FF_MOV_FLAG_FRAGMENT | FF_MOV_FLAG_EMPTY_MOOV |
|
|
FF_MOV_FLAG_DEFAULT_BASE_MOOF | FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS;
|
|
|
|
if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV && s->flags & AVFMT_FLAG_AUTO_BSF) {
|
|
av_log(s, AV_LOG_VERBOSE, "Empty MOOV enabled; disabling automatic bitstream filtering\n");
|
|
s->flags &= ~AVFMT_FLAG_AUTO_BSF;
|
|
}
|
|
|
|
if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX && mov->flags & FF_MOV_FLAG_SKIP_SIDX) {
|
|
av_log(s, AV_LOG_WARNING, "Global SIDX enabled; Ignoring skip_sidx option\n");
|
|
mov->flags &= ~FF_MOV_FLAG_SKIP_SIDX;
|
|
}
|
|
|
|
if (mov->flags & FF_MOV_FLAG_FASTSTART) {
|
|
mov->reserved_moov_size = -1;
|
|
}
|
|
|
|
if (mov->use_editlist < 0) {
|
|
mov->use_editlist = 1;
|
|
if (mov->flags & FF_MOV_FLAG_FRAGMENT &&
|
|
!(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
|
|
// If we can avoid needing an edit list by shifting the
|
|
// tracks, prefer that over (trying to) write edit lists
|
|
// in fragmented output.
|
|
if (s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_AUTO ||
|
|
s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_MAKE_ZERO)
|
|
mov->use_editlist = 0;
|
|
}
|
|
if (mov->flags & FF_MOV_FLAG_CMAF) {
|
|
// CMAF Track requires negative cts offsets without edit lists
|
|
mov->use_editlist = 0;
|
|
}
|
|
}
|
|
if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV &&
|
|
!(mov->flags & FF_MOV_FLAG_DELAY_MOOV) && mov->use_editlist)
|
|
av_log(s, AV_LOG_WARNING, "No meaningful edit list will be written when using empty_moov without delay_moov\n");
|
|
|
|
if (mov->flags & FF_MOV_FLAG_CMAF && mov->use_editlist) {
|
|
av_log(s, AV_LOG_WARNING, "Edit list enabled; Assuming writing CMAF Track File\n");
|
|
mov->flags &= ~FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS;
|
|
}
|
|
if (!mov->use_editlist && s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_AUTO &&
|
|
!(mov->flags & FF_MOV_FLAG_NEGATIVE_CTS_OFFSETS))
|
|
s->avoid_negative_ts = AVFMT_AVOID_NEG_TS_MAKE_ZERO;
|
|
|
|
/* Clear the omit_tfhd_offset flag if default_base_moof is set;
|
|
* if the latter is set that's enough and omit_tfhd_offset doesn't
|
|
* add anything extra on top of that. */
|
|
if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET &&
|
|
mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)
|
|
mov->flags &= ~FF_MOV_FLAG_OMIT_TFHD_OFFSET;
|
|
|
|
if (mov->frag_interleave &&
|
|
mov->flags & (FF_MOV_FLAG_OMIT_TFHD_OFFSET | FF_MOV_FLAG_SEPARATE_MOOF)) {
|
|
av_log(s, AV_LOG_ERROR,
|
|
"Sample interleaving in fragments is mutually exclusive with "
|
|
"omit_tfhd_offset and separate_moof\n");
|
|
return AVERROR(EINVAL);
|
|
}
|
|
|
|
/* Non-seekable output is ok if using fragmentation. If ism_lookahead
|
|
* is enabled, we don't support non-seekable output at all. */
|
|
if (!(s->pb->seekable & AVIO_SEEKABLE_NORMAL) &&
|
|
(!(mov->flags & FF_MOV_FLAG_FRAGMENT) || mov->ism_lookahead)) {
|
|
av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
|
|
return AVERROR(EINVAL);
|
|
}
|
|
|
|
mov->nb_streams = s->nb_streams;
|
|
if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters)
|
|
mov->chapter_track = mov->nb_streams++;
|
|
|
|
if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
|
|
for (i = 0; i < s->nb_streams; i++)
|
|
if (rtp_hinting_needed(s->streams[i]))
|
|
mov->nb_streams++;
|
|
}
|
|
|
|
if ( mov->write_tmcd == -1 && (mov->mode == MODE_MOV || mov->mode == MODE_MP4)
|
|
|| mov->write_tmcd == 1) {
|
|
/* +1 tmcd track for each video stream with a timecode */
|
|
for (i = 0; i < s->nb_streams; i++) {
|
|
AVStream *st = s->streams[i];
|
|
AVDictionaryEntry *t = global_tcr;
|
|
if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO &&
|
|
(t || (t=av_dict_get(st->metadata, "timecode", NULL, 0)))) {
|
|
AVTimecode tc;
|
|
ret = mov_check_timecode_track(s, &tc, i, t->value);
|
|
if (ret >= 0)
|
|
mov->nb_meta_tmcd++;
|
|
}
|
|
}
|
|
|
|
/* check if there is already a tmcd track to remux */
|
|
if (mov->nb_meta_tmcd) {
|
|
for (i = 0; i < s->nb_streams; i++) {
|
|
AVStream *st = s->streams[i];
|
|
if (st->codecpar->codec_tag == MKTAG('t','m','c','d')) {
|
|
av_log(s, AV_LOG_WARNING, "You requested a copy of the original timecode track "
|
|
"so timecode metadata are now ignored\n");
|
|
mov->nb_meta_tmcd = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
mov->nb_streams += mov->nb_meta_tmcd;
|
|
}
|
|
|
|
// Reserve an extra stream for chapters for the case where chapters
|
|
// are written in the trailer
|
|
mov->tracks = av_mallocz_array((mov->nb_streams + 1), sizeof(*mov->tracks));
|
|
if (!mov->tracks)
|
|
return AVERROR(ENOMEM);
|
|
|
|
if (mov->encryption_scheme_str != NULL && strcmp(mov->encryption_scheme_str, "none") != 0) {
|
|
if (strcmp(mov->encryption_scheme_str, "cenc-aes-ctr") == 0) {
|
|
mov->encryption_scheme = MOV_ENC_CENC_AES_CTR;
|
|
|
|
if (mov->encryption_key_len != AES_CTR_KEY_SIZE) {
|
|
av_log(s, AV_LOG_ERROR, "Invalid encryption key len %d expected %d\n",
|
|
mov->encryption_key_len, AES_CTR_KEY_SIZE);
|
|
return AVERROR(EINVAL);
|
|
}
|
|
|
|
if (mov->encryption_kid_len != CENC_KID_SIZE) {
|
|
av_log(s, AV_LOG_ERROR, "Invalid encryption kid len %d expected %d\n",
|
|
mov->encryption_kid_len, CENC_KID_SIZE);
|
|
return AVERROR(EINVAL);
|
|
}
|
|
} else {
|
|
av_log(s, AV_LOG_ERROR, "unsupported encryption scheme %s\n",
|
|
mov->encryption_scheme_str);
|
|
return AVERROR(EINVAL);
|
|
}
|
|
}
|
|
|
|
for (i = 0; i < s->nb_streams; i++) {
|
|
AVStream *st= s->streams[i];
|
|
MOVTrack *track= &mov->tracks[i];
|
|
AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
|
|
|
|
track->st = st;
|
|
track->par = st->codecpar;
|
|
track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
|
|
if (track->language < 0)
|
|
track->language = 32767; // Unspecified Macintosh language code
|
|
track->mode = mov->mode;
|
|
track->tag = mov_find_codec_tag(s, track);
|
|
if (!track->tag) {
|
|
av_log(s, AV_LOG_ERROR, "Could not find tag for codec %s in stream #%d, "
|
|
"codec not currently supported in container\n",
|
|
avcodec_get_name(st->codecpar->codec_id), i);
|
|
return AVERROR(EINVAL);
|
|
}
|
|
/* If hinting of this track is enabled by a later hint track,
|
|
* this is updated. */
|
|
track->hint_track = -1;
|
|
track->start_dts = AV_NOPTS_VALUE;
|
|
track->start_cts = AV_NOPTS_VALUE;
|
|
track->end_pts = AV_NOPTS_VALUE;
|
|
track->dts_shift = AV_NOPTS_VALUE;
|
|
if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
|
|
if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
|
|
track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
|
|
track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
|
|
if (st->codecpar->width != 720 || (st->codecpar->height != 608 && st->codecpar->height != 512)) {
|
|
av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
|
|
return AVERROR(EINVAL);
|
|
}
|
|
track->height = track->tag >> 24 == 'n' ? 486 : 576;
|
|
}
|
|
if (mov->video_track_timescale) {
|
|
track->timescale = mov->video_track_timescale;
|
|
if (mov->mode == MODE_ISM && mov->video_track_timescale != 10000000)
|
|
av_log(s, AV_LOG_WARNING, "Warning: some tools, like mp4split, assume a timescale of 10000000 for ISMV.\n");
|
|
} else {
|
|
track->timescale = st->time_base.den;
|
|
while(track->timescale < 10000)
|
|
track->timescale *= 2;
|
|
}
|
|
if (st->codecpar->width > 65535 || st->codecpar->height > 65535) {
|
|
av_log(s, AV_LOG_ERROR, "Resolution %dx%d too large for mov/mp4\n", st->codecpar->width, st->codecpar->height);
|
|
return AVERROR(EINVAL);
|
|
}
|
|
if (track->mode == MODE_MOV && track->timescale > 100000)
|
|
av_log(s, AV_LOG_WARNING,
|
|
"WARNING codec timebase is very high. If duration is too long,\n"
|
|
"file may not be playable by quicktime. Specify a shorter timebase\n"
|
|
"or choose different container.\n");
|
|
if (track->mode == MODE_MOV &&
|
|
track->par->codec_id == AV_CODEC_ID_RAWVIDEO &&
|
|
track->tag == MKTAG('r','a','w',' ')) {
|
|
enum AVPixelFormat pix_fmt = track->par->format;
|
|
if (pix_fmt == AV_PIX_FMT_NONE && track->par->bits_per_coded_sample == 1)
|
|
pix_fmt = AV_PIX_FMT_MONOWHITE;
|
|
track->is_unaligned_qt_rgb =
|
|
pix_fmt == AV_PIX_FMT_RGB24 ||
|
|
pix_fmt == AV_PIX_FMT_BGR24 ||
|
|
pix_fmt == AV_PIX_FMT_PAL8 ||
|
|
pix_fmt == AV_PIX_FMT_GRAY8 ||
|
|
pix_fmt == AV_PIX_FMT_MONOWHITE ||
|
|
pix_fmt == AV_PIX_FMT_MONOBLACK;
|
|
}
|
|
if (track->par->codec_id == AV_CODEC_ID_VP9 ||
|
|
track->par->codec_id == AV_CODEC_ID_AV1) {
|
|
if (track->mode != MODE_MP4) {
|
|
av_log(s, AV_LOG_ERROR, "%s only supported in MP4.\n", avcodec_get_name(track->par->codec_id));
|
|
return AVERROR(EINVAL);
|
|
}
|
|
} else if (track->par->codec_id == AV_CODEC_ID_VP8) {
|
|
/* altref frames handling is not defined in the spec as of version v1.0,
|
|
* so just forbid muxing VP8 streams altogether until a new version does */
|
|
av_log(s, AV_LOG_ERROR, "VP8 muxing is currently not supported.\n");
|
|
return AVERROR_PATCHWELCOME;
|
|
}
|
|
} else if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
|
|
track->timescale = st->codecpar->sample_rate;
|
|
if (!st->codecpar->frame_size && !av_get_bits_per_sample(st->codecpar->codec_id)) {
|
|
av_log(s, AV_LOG_WARNING, "track %d: codec frame size is not set\n", i);
|
|
track->audio_vbr = 1;
|
|
}else if (st->codecpar->codec_id == AV_CODEC_ID_ADPCM_MS ||
|
|
st->codecpar->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
|
|
st->codecpar->codec_id == AV_CODEC_ID_ILBC){
|
|
if (!st->codecpar->block_align) {
|
|
av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set for adpcm\n", i);
|
|
return AVERROR(EINVAL);
|
|
}
|
|
track->sample_size = st->codecpar->block_align;
|
|
}else if (st->codecpar->frame_size > 1){ /* assume compressed audio */
|
|
track->audio_vbr = 1;
|
|
}else{
|
|
track->sample_size = (av_get_bits_per_sample(st->codecpar->codec_id) >> 3) * st->codecpar->channels;
|
|
}
|
|
if (st->codecpar->codec_id == AV_CODEC_ID_ILBC ||
|
|
st->codecpar->codec_id == AV_CODEC_ID_ADPCM_IMA_QT) {
|
|
track->audio_vbr = 1;
|
|
}
|
|
if (track->mode != MODE_MOV &&
|
|
track->par->codec_id == AV_CODEC_ID_MP3 && track->timescale < 16000) {
|
|
if (s->strict_std_compliance >= FF_COMPLIANCE_NORMAL) {
|
|
av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not standard, to mux anyway set strict to -1\n",
|
|
i, track->par->sample_rate);
|
|
return AVERROR(EINVAL);
|
|
} else {
|
|
av_log(s, AV_LOG_WARNING, "track %d: muxing mp3 at %dhz is not standard in MP4\n",
|
|
i, track->par->sample_rate);
|
|
}
|
|
}
|
|
if (track->par->codec_id == AV_CODEC_ID_FLAC ||
|
|
track->par->codec_id == AV_CODEC_ID_TRUEHD ||
|
|
track->par->codec_id == AV_CODEC_ID_OPUS) {
|
|
if (track->mode != MODE_MP4) {
|
|
av_log(s, AV_LOG_ERROR, "%s only supported in MP4.\n", avcodec_get_name(track->par->codec_id));
|
|
return AVERROR(EINVAL);
|
|
}
|
|
if (track->par->codec_id != AV_CODEC_ID_OPUS &&
|
|
s->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
|
|
av_log(s, AV_LOG_ERROR,
|
|
"%s in MP4 support is experimental, add "
|
|
"'-strict %d' if you want to use it.\n",
|
|
avcodec_get_name(track->par->codec_id), FF_COMPLIANCE_EXPERIMENTAL);
|
|
return AVERROR_EXPERIMENTAL;
|
|
}
|
|
}
|
|
} else if (st->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE) {
|
|
track->timescale = st->time_base.den;
|
|
} else if (st->codecpar->codec_type == AVMEDIA_TYPE_DATA) {
|
|
track->timescale = st->time_base.den;
|
|
} else {
|
|
track->timescale = MOV_TIMESCALE;
|
|
}
|
|
if (!track->height)
|
|
track->height = st->codecpar->height;
|
|
/* The Protected Interoperable File Format (PIFF) standard, used by ISMV recommends but
|
|
doesn't mandate a track timescale of 10,000,000. The muxer allows a custom timescale
|
|
for video tracks, so if user-set, it isn't overwritten */
|
|
if (mov->mode == MODE_ISM &&
|
|
(st->codecpar->codec_type != AVMEDIA_TYPE_VIDEO ||
|
|
(st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO && !mov->video_track_timescale))) {
|
|
track->timescale = 10000000;
|
|
}
|
|
|
|
avpriv_set_pts_info(st, 64, 1, track->timescale);
|
|
|
|
if (mov->encryption_scheme == MOV_ENC_CENC_AES_CTR) {
|
|
ret = ff_mov_cenc_init(&track->cenc, mov->encryption_key,
|
|
track->par->codec_id == AV_CODEC_ID_H264, s->flags & AVFMT_FLAG_BITEXACT);
|
|
if (ret)
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
enable_tracks(s);
|
|
return 0;
|
|
}
|
|
|
|
static int mov_write_header(AVFormatContext *s)
|
|
{
|
|
AVIOContext *pb = s->pb;
|
|
MOVMuxContext *mov = s->priv_data;
|
|
AVDictionaryEntry *t, *global_tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
|
|
int i, ret, hint_track = 0, tmcd_track = 0, nb_tracks = s->nb_streams;
|
|
|
|
if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters)
|
|
nb_tracks++;
|
|
|
|
if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
|
|
hint_track = nb_tracks;
|
|
for (i = 0; i < s->nb_streams; i++)
|
|
if (rtp_hinting_needed(s->streams[i]))
|
|
nb_tracks++;
|
|
}
|
|
|
|
if (mov->nb_meta_tmcd)
|
|
tmcd_track = nb_tracks;
|
|
|
|
for (i = 0; i < s->nb_streams; i++) {
|
|
int j;
|
|
AVStream *st= s->streams[i];
|
|
MOVTrack *track= &mov->tracks[i];
|
|
|
|
/* copy extradata if it exists */
|
|
if (st->codecpar->extradata_size) {
|
|
if (st->codecpar->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
|
|
mov_create_dvd_sub_decoder_specific_info(track, st);
|
|
else if (!TAG_IS_AVCI(track->tag) && st->codecpar->codec_id != AV_CODEC_ID_DNXHD) {
|
|
track->vos_len = st->codecpar->extradata_size;
|
|
track->vos_data = av_malloc(track->vos_len + AV_INPUT_BUFFER_PADDING_SIZE);
|
|
if (!track->vos_data) {
|
|
return AVERROR(ENOMEM);
|
|
}
|
|
memcpy(track->vos_data, st->codecpar->extradata, track->vos_len);
|
|
memset(track->vos_data + track->vos_len, 0, AV_INPUT_BUFFER_PADDING_SIZE);
|
|
}
|
|
}
|
|
|
|
if (st->codecpar->codec_type != AVMEDIA_TYPE_AUDIO ||
|
|
track->par->channel_layout != AV_CH_LAYOUT_MONO)
|
|
continue;
|
|
|
|
for (j = 0; j < s->nb_streams; j++) {
|
|
AVStream *stj= s->streams[j];
|
|
MOVTrack *trackj= &mov->tracks[j];
|
|
if (j == i)
|
|
continue;
|
|
|
|
if (stj->codecpar->codec_type != AVMEDIA_TYPE_AUDIO ||
|
|
trackj->par->channel_layout != AV_CH_LAYOUT_MONO ||
|
|
trackj->language != track->language ||
|
|
trackj->tag != track->tag
|
|
)
|
|
continue;
|
|
track->multichannel_as_mono++;
|
|
}
|
|
}
|
|
|
|
if (!(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
|
|
if ((ret = mov_write_identification(pb, s)) < 0)
|
|
return ret;
|
|
}
|
|
|
|
if (mov->reserved_moov_size){
|
|
mov->reserved_header_pos = avio_tell(pb);
|
|
if (mov->reserved_moov_size > 0)
|
|
avio_skip(pb, mov->reserved_moov_size);
|
|
}
|
|
|
|
if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
|
|
/* If no fragmentation options have been set, set a default. */
|
|
if (!(mov->flags & (FF_MOV_FLAG_FRAG_KEYFRAME |
|
|
FF_MOV_FLAG_FRAG_CUSTOM |
|
|
FF_MOV_FLAG_FRAG_EVERY_FRAME)) &&
|
|
!mov->max_fragment_duration && !mov->max_fragment_size)
|
|
mov->flags |= FF_MOV_FLAG_FRAG_KEYFRAME;
|
|
} else {
|
|
if (mov->flags & FF_MOV_FLAG_FASTSTART)
|
|
mov->reserved_header_pos = avio_tell(pb);
|
|
mov_write_mdat_tag(pb, mov);
|
|
}
|
|
|
|
ff_parse_creation_time_metadata(s, &mov->time, 1);
|
|
if (mov->time)
|
|
mov->time += 0x7C25B080; // 1970 based -> 1904 based
|
|
|
|
if (mov->chapter_track)
|
|
if ((ret = mov_create_chapter_track(s, mov->chapter_track)) < 0)
|
|
return ret;
|
|
|
|
if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
|
|
for (i = 0; i < s->nb_streams; i++) {
|
|
if (rtp_hinting_needed(s->streams[i])) {
|
|
if ((ret = ff_mov_init_hinting(s, hint_track, i)) < 0)
|
|
return ret;
|
|
hint_track++;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (mov->nb_meta_tmcd) {
|
|
/* Initialize the tmcd tracks */
|
|
for (i = 0; i < s->nb_streams; i++) {
|
|
AVStream *st = s->streams[i];
|
|
t = global_tcr;
|
|
|
|
if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
|
|
AVTimecode tc;
|
|
if (!t)
|
|
t = av_dict_get(st->metadata, "timecode", NULL, 0);
|
|
if (!t)
|
|
continue;
|
|
if (mov_check_timecode_track(s, &tc, i, t->value) < 0)
|
|
continue;
|
|
if ((ret = mov_create_timecode_track(s, tmcd_track, i, tc)) < 0)
|
|
return ret;
|
|
tmcd_track++;
|
|
}
|
|
}
|
|
}
|
|
|
|
avio_flush(pb);
|
|
|
|
if (mov->flags & FF_MOV_FLAG_ISML)
|
|
mov_write_isml_manifest(pb, mov, s);
|
|
|
|
if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV &&
|
|
!(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
|
|
if ((ret = mov_write_moov_tag(pb, mov, s)) < 0)
|
|
return ret;
|
|
mov->moov_written = 1;
|
|
if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
|
|
mov->reserved_header_pos = avio_tell(pb);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int get_moov_size(AVFormatContext *s)
|
|
{
|
|
int ret;
|
|
AVIOContext *moov_buf;
|
|
MOVMuxContext *mov = s->priv_data;
|
|
|
|
if ((ret = ffio_open_null_buf(&moov_buf)) < 0)
|
|
return ret;
|
|
if ((ret = mov_write_moov_tag(moov_buf, mov, s)) < 0)
|
|
return ret;
|
|
return ffio_close_null_buf(moov_buf);
|
|
}
|
|
|
|
static int get_sidx_size(AVFormatContext *s)
|
|
{
|
|
int ret;
|
|
AVIOContext *buf;
|
|
MOVMuxContext *mov = s->priv_data;
|
|
|
|
if ((ret = ffio_open_null_buf(&buf)) < 0)
|
|
return ret;
|
|
mov_write_sidx_tags(buf, mov, -1, 0);
|
|
return ffio_close_null_buf(buf);
|
|
}
|
|
|
|
/*
|
|
* This function gets the moov size if moved to the top of the file: the chunk
|
|
* offset table can switch between stco (32-bit entries) to co64 (64-bit
|
|
* entries) when the moov is moved to the beginning, so the size of the moov
|
|
* would change. It also updates the chunk offset tables.
|
|
*/
|
|
static int compute_moov_size(AVFormatContext *s)
|
|
{
|
|
int i, moov_size, moov_size2;
|
|
MOVMuxContext *mov = s->priv_data;
|
|
|
|
moov_size = get_moov_size(s);
|
|
if (moov_size < 0)
|
|
return moov_size;
|
|
|
|
for (i = 0; i < mov->nb_streams; i++)
|
|
mov->tracks[i].data_offset += moov_size;
|
|
|
|
moov_size2 = get_moov_size(s);
|
|
if (moov_size2 < 0)
|
|
return moov_size2;
|
|
|
|
/* if the size changed, we just switched from stco to co64 and need to
|
|
* update the offsets */
|
|
if (moov_size2 != moov_size)
|
|
for (i = 0; i < mov->nb_streams; i++)
|
|
mov->tracks[i].data_offset += moov_size2 - moov_size;
|
|
|
|
return moov_size2;
|
|
}
|
|
|
|
static int compute_sidx_size(AVFormatContext *s)
|
|
{
|
|
int i, sidx_size;
|
|
MOVMuxContext *mov = s->priv_data;
|
|
|
|
sidx_size = get_sidx_size(s);
|
|
if (sidx_size < 0)
|
|
return sidx_size;
|
|
|
|
for (i = 0; i < mov->nb_streams; i++)
|
|
mov->tracks[i].data_offset += sidx_size;
|
|
|
|
return sidx_size;
|
|
}
|
|
|
|
static int shift_data(AVFormatContext *s)
|
|
{
|
|
int ret = 0, moov_size;
|
|
MOVMuxContext *mov = s->priv_data;
|
|
int64_t pos, pos_end;
|
|
uint8_t *buf, *read_buf[2];
|
|
int read_buf_id = 0;
|
|
int read_size[2];
|
|
AVIOContext *read_pb;
|
|
|
|
if (mov->flags & FF_MOV_FLAG_FRAGMENT)
|
|
moov_size = compute_sidx_size(s);
|
|
else
|
|
moov_size = compute_moov_size(s);
|
|
if (moov_size < 0)
|
|
return moov_size;
|
|
|
|
buf = av_malloc(moov_size * 2);
|
|
if (!buf)
|
|
return AVERROR(ENOMEM);
|
|
read_buf[0] = buf;
|
|
read_buf[1] = buf + moov_size;
|
|
|
|
/* Shift the data: the AVIO context of the output can only be used for
|
|
* writing, so we re-open the same output, but for reading. It also avoids
|
|
* a read/seek/write/seek back and forth. */
|
|
avio_flush(s->pb);
|
|
ret = s->io_open(s, &read_pb, s->url, AVIO_FLAG_READ, NULL);
|
|
if (ret < 0) {
|
|
av_log(s, AV_LOG_ERROR, "Unable to re-open %s output file for "
|
|
"the second pass (faststart)\n", s->url);
|
|
goto end;
|
|
}
|
|
|
|
/* mark the end of the shift to up to the last data we wrote, and get ready
|
|
* for writing */
|
|
pos_end = avio_tell(s->pb);
|
|
avio_seek(s->pb, mov->reserved_header_pos + moov_size, SEEK_SET);
|
|
|
|
/* start reading at where the new moov will be placed */
|
|
avio_seek(read_pb, mov->reserved_header_pos, SEEK_SET);
|
|
pos = avio_tell(read_pb);
|
|
|
|
#define READ_BLOCK do { \
|
|
read_size[read_buf_id] = avio_read(read_pb, read_buf[read_buf_id], moov_size); \
|
|
read_buf_id ^= 1; \
|
|
} while (0)
|
|
|
|
/* shift data by chunk of at most moov_size */
|
|
READ_BLOCK;
|
|
do {
|
|
int n;
|
|
READ_BLOCK;
|
|
n = read_size[read_buf_id];
|
|
if (n <= 0)
|
|
break;
|
|
avio_write(s->pb, read_buf[read_buf_id], n);
|
|
pos += n;
|
|
} while (pos < pos_end);
|
|
ff_format_io_close(s, &read_pb);
|
|
|
|
end:
|
|
av_free(buf);
|
|
return ret;
|
|
}
|
|
|
|
static int mov_write_trailer(AVFormatContext *s)
|
|
{
|
|
MOVMuxContext *mov = s->priv_data;
|
|
AVIOContext *pb = s->pb;
|
|
int res = 0;
|
|
int i;
|
|
int64_t moov_pos;
|
|
|
|
if (mov->need_rewrite_extradata) {
|
|
for (i = 0; i < s->nb_streams; i++) {
|
|
MOVTrack *track = &mov->tracks[i];
|
|
AVCodecParameters *par = track->par;
|
|
|
|
track->vos_len = par->extradata_size;
|
|
track->vos_data = av_malloc(track->vos_len + AV_INPUT_BUFFER_PADDING_SIZE);
|
|
if (!track->vos_data)
|
|
return AVERROR(ENOMEM);
|
|
memcpy(track->vos_data, par->extradata, track->vos_len);
|
|
memset(track->vos_data + track->vos_len, 0, AV_INPUT_BUFFER_PADDING_SIZE);
|
|
}
|
|
mov->need_rewrite_extradata = 0;
|
|
}
|
|
|
|
/*
|
|
* Before actually writing the trailer, make sure that there are no
|
|
* dangling subtitles, that need a terminating sample.
|
|
*/
|
|
for (i = 0; i < mov->nb_streams; i++) {
|
|
MOVTrack *trk = &mov->tracks[i];
|
|
if (trk->par->codec_id == AV_CODEC_ID_MOV_TEXT &&
|
|
!trk->last_sample_is_subtitle_end) {
|
|
mov_write_subtitle_end_packet(s, i, trk->track_duration);
|
|
trk->last_sample_is_subtitle_end = 1;
|
|
}
|
|
}
|
|
|
|
// If there were no chapters when the header was written, but there
|
|
// are chapters now, write them in the trailer. This only works
|
|
// when we are not doing fragments.
|
|
if (!mov->chapter_track && !(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
|
|
if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters) {
|
|
mov->chapter_track = mov->nb_streams++;
|
|
if ((res = mov_create_chapter_track(s, mov->chapter_track)) < 0)
|
|
return res;
|
|
}
|
|
}
|
|
|
|
if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
|
|
moov_pos = avio_tell(pb);
|
|
|
|
/* Write size of mdat tag */
|
|
if (mov->mdat_size + 8 <= UINT32_MAX) {
|
|
avio_seek(pb, mov->mdat_pos, SEEK_SET);
|
|
avio_wb32(pb, mov->mdat_size + 8);
|
|
} else {
|
|
/* overwrite 'wide' placeholder atom */
|
|
avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
|
|
/* special value: real atom size will be 64 bit value after
|
|
* tag field */
|
|
avio_wb32(pb, 1);
|
|
ffio_wfourcc(pb, "mdat");
|
|
avio_wb64(pb, mov->mdat_size + 16);
|
|
}
|
|
avio_seek(pb, mov->reserved_moov_size > 0 ? mov->reserved_header_pos : moov_pos, SEEK_SET);
|
|
|
|
if (mov->flags & FF_MOV_FLAG_FASTSTART) {
|
|
av_log(s, AV_LOG_INFO, "Starting second pass: moving the moov atom to the beginning of the file\n");
|
|
res = shift_data(s);
|
|
if (res < 0)
|
|
return res;
|
|
avio_seek(pb, mov->reserved_header_pos, SEEK_SET);
|
|
if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
|
|
return res;
|
|
} else if (mov->reserved_moov_size > 0) {
|
|
int64_t size;
|
|
if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
|
|
return res;
|
|
size = mov->reserved_moov_size - (avio_tell(pb) - mov->reserved_header_pos);
|
|
if (size < 8){
|
|
av_log(s, AV_LOG_ERROR, "reserved_moov_size is too small, needed %"PRId64" additional\n", 8-size);
|
|
return AVERROR(EINVAL);
|
|
}
|
|
avio_wb32(pb, size);
|
|
ffio_wfourcc(pb, "free");
|
|
ffio_fill(pb, 0, size - 8);
|
|
avio_seek(pb, moov_pos, SEEK_SET);
|
|
} else {
|
|
if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
|
|
return res;
|
|
}
|
|
res = 0;
|
|
} else {
|
|
mov_auto_flush_fragment(s, 1);
|
|
for (i = 0; i < mov->nb_streams; i++)
|
|
mov->tracks[i].data_offset = 0;
|
|
if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX) {
|
|
int64_t end;
|
|
av_log(s, AV_LOG_INFO, "Starting second pass: inserting sidx atoms\n");
|
|
res = shift_data(s);
|
|
if (res < 0)
|
|
return res;
|
|
end = avio_tell(pb);
|
|
avio_seek(pb, mov->reserved_header_pos, SEEK_SET);
|
|
mov_write_sidx_tags(pb, mov, -1, 0);
|
|
avio_seek(pb, end, SEEK_SET);
|
|
}
|
|
if (!(mov->flags & FF_MOV_FLAG_SKIP_TRAILER)) {
|
|
avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_TRAILER);
|
|
mov_write_mfra_tag(pb, mov);
|
|
}
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
static int mov_check_bitstream(struct AVFormatContext *s, const AVPacket *pkt)
|
|
{
|
|
int ret = 1;
|
|
AVStream *st = s->streams[pkt->stream_index];
|
|
|
|
if (st->codecpar->codec_id == AV_CODEC_ID_AAC) {
|
|
if (pkt->size > 2 && (AV_RB16(pkt->data) & 0xfff0) == 0xfff0)
|
|
ret = ff_stream_add_bitstream_filter(st, "aac_adtstoasc", NULL);
|
|
} else if (st->codecpar->codec_id == AV_CODEC_ID_VP9) {
|
|
ret = ff_stream_add_bitstream_filter(st, "vp9_superframe", NULL);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static const AVCodecTag codec_3gp_tags[] = {
|
|
{ AV_CODEC_ID_H263, MKTAG('s','2','6','3') },
|
|
{ AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
|
|
{ AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
|
|
{ AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
|
|
{ AV_CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
|
|
{ AV_CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
|
|
{ AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
|
|
{ AV_CODEC_ID_NONE, 0 },
|
|
};
|
|
|
|
const AVCodecTag codec_mp4_tags[] = {
|
|
{ AV_CODEC_ID_MPEG4, MKTAG('m', 'p', '4', 'v') },
|
|
{ AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '1') },
|
|
{ AV_CODEC_ID_H264, MKTAG('a', 'v', 'c', '3') },
|
|
{ AV_CODEC_ID_HEVC, MKTAG('h', 'e', 'v', '1') },
|
|
{ AV_CODEC_ID_HEVC, MKTAG('h', 'v', 'c', '1') },
|
|
{ AV_CODEC_ID_MPEG2VIDEO, MKTAG('m', 'p', '4', 'v') },
|
|
{ AV_CODEC_ID_MPEG1VIDEO, MKTAG('m', 'p', '4', 'v') },
|
|
{ AV_CODEC_ID_MJPEG, MKTAG('m', 'p', '4', 'v') },
|
|
{ AV_CODEC_ID_PNG, MKTAG('m', 'p', '4', 'v') },
|
|
{ AV_CODEC_ID_JPEG2000, MKTAG('m', 'p', '4', 'v') },
|
|
{ AV_CODEC_ID_VC1, MKTAG('v', 'c', '-', '1') },
|
|
{ AV_CODEC_ID_DIRAC, MKTAG('d', 'r', 'a', 'c') },
|
|
{ AV_CODEC_ID_TSCC2, MKTAG('m', 'p', '4', 'v') },
|
|
{ AV_CODEC_ID_VP9, MKTAG('v', 'p', '0', '9') },
|
|
{ AV_CODEC_ID_AV1, MKTAG('a', 'v', '0', '1') },
|
|
{ AV_CODEC_ID_AAC, MKTAG('m', 'p', '4', 'a') },
|
|
{ AV_CODEC_ID_MP4ALS, MKTAG('m', 'p', '4', 'a') },
|
|
{ AV_CODEC_ID_MP3, MKTAG('m', 'p', '4', 'a') },
|
|
{ AV_CODEC_ID_MP2, MKTAG('m', 'p', '4', 'a') },
|
|
{ AV_CODEC_ID_AC3, MKTAG('a', 'c', '-', '3') },
|
|
{ AV_CODEC_ID_EAC3, MKTAG('e', 'c', '-', '3') },
|
|
{ AV_CODEC_ID_DTS, MKTAG('m', 'p', '4', 'a') },
|
|
{ AV_CODEC_ID_TRUEHD, MKTAG('m', 'l', 'p', 'a') },
|
|
{ AV_CODEC_ID_FLAC, MKTAG('f', 'L', 'a', 'C') },
|
|
{ AV_CODEC_ID_OPUS, MKTAG('O', 'p', 'u', 's') },
|
|
{ AV_CODEC_ID_VORBIS, MKTAG('m', 'p', '4', 'a') },
|
|
{ AV_CODEC_ID_QCELP, MKTAG('m', 'p', '4', 'a') },
|
|
{ AV_CODEC_ID_EVRC, MKTAG('m', 'p', '4', 'a') },
|
|
{ AV_CODEC_ID_DVD_SUBTITLE, MKTAG('m', 'p', '4', 's') },
|
|
{ AV_CODEC_ID_MOV_TEXT, MKTAG('t', 'x', '3', 'g') },
|
|
{ AV_CODEC_ID_BIN_DATA, MKTAG('g', 'p', 'm', 'd') },
|
|
{ AV_CODEC_ID_MPEGH_3D_AUDIO, MKTAG('m', 'h', 'm', '1') },
|
|
{ AV_CODEC_ID_NONE, 0 },
|
|
};
|
|
|
|
const AVCodecTag codec_ism_tags[] = {
|
|
{ AV_CODEC_ID_WMAPRO , MKTAG('w', 'm', 'a', ' ') },
|
|
{ AV_CODEC_ID_NONE , 0 },
|
|
};
|
|
|
|
static const AVCodecTag codec_ipod_tags[] = {
|
|
{ AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
|
|
{ AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
|
|
{ AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
|
|
{ AV_CODEC_ID_ALAC, MKTAG('a','l','a','c') },
|
|
{ AV_CODEC_ID_AC3, MKTAG('a','c','-','3') },
|
|
{ AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
|
|
{ AV_CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
|
|
{ AV_CODEC_ID_NONE, 0 },
|
|
};
|
|
|
|
static const AVCodecTag codec_f4v_tags[] = {
|
|
{ AV_CODEC_ID_MP3, MKTAG('.','m','p','3') },
|
|
{ AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
|
|
{ AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
|
|
{ AV_CODEC_ID_VP6A, MKTAG('V','P','6','A') },
|
|
{ AV_CODEC_ID_VP6F, MKTAG('V','P','6','F') },
|
|
{ AV_CODEC_ID_NONE, 0 },
|
|
};
|
|
|
|
#if CONFIG_MOV_MUXER
|
|
MOV_CLASS(mov)
|
|
AVOutputFormat ff_mov_muxer = {
|
|
.name = "mov",
|
|
.long_name = NULL_IF_CONFIG_SMALL("QuickTime / MOV"),
|
|
.extensions = "mov",
|
|
.priv_data_size = sizeof(MOVMuxContext),
|
|
.audio_codec = AV_CODEC_ID_AAC,
|
|
.video_codec = CONFIG_LIBX264_ENCODER ?
|
|
AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
|
|
.init = mov_init,
|
|
.write_header = mov_write_header,
|
|
.write_packet = mov_write_packet,
|
|
.write_trailer = mov_write_trailer,
|
|
.deinit = mov_free,
|
|
.flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
|
|
.codec_tag = (const AVCodecTag* const []){
|
|
ff_codec_movvideo_tags, ff_codec_movaudio_tags, ff_codec_movsubtitle_tags, 0
|
|
},
|
|
.check_bitstream = mov_check_bitstream,
|
|
.priv_class = &mov_muxer_class,
|
|
};
|
|
#endif
|
|
#if CONFIG_TGP_MUXER
|
|
MOV_CLASS(tgp)
|
|
AVOutputFormat ff_tgp_muxer = {
|
|
.name = "3gp",
|
|
.long_name = NULL_IF_CONFIG_SMALL("3GP (3GPP file format)"),
|
|
.extensions = "3gp",
|
|
.priv_data_size = sizeof(MOVMuxContext),
|
|
.audio_codec = AV_CODEC_ID_AMR_NB,
|
|
.video_codec = AV_CODEC_ID_H263,
|
|
.init = mov_init,
|
|
.write_header = mov_write_header,
|
|
.write_packet = mov_write_packet,
|
|
.write_trailer = mov_write_trailer,
|
|
.deinit = mov_free,
|
|
.flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
|
|
.codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
|
|
.check_bitstream = mov_check_bitstream,
|
|
.priv_class = &tgp_muxer_class,
|
|
};
|
|
#endif
|
|
#if CONFIG_MP4_MUXER
|
|
MOV_CLASS(mp4)
|
|
AVOutputFormat ff_mp4_muxer = {
|
|
.name = "mp4",
|
|
.long_name = NULL_IF_CONFIG_SMALL("MP4 (MPEG-4 Part 14)"),
|
|
.mime_type = "video/mp4",
|
|
.extensions = "mp4",
|
|
.priv_data_size = sizeof(MOVMuxContext),
|
|
.audio_codec = AV_CODEC_ID_AAC,
|
|
.video_codec = CONFIG_LIBX264_ENCODER ?
|
|
AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
|
|
.init = mov_init,
|
|
.write_header = mov_write_header,
|
|
.write_packet = mov_write_packet,
|
|
.write_trailer = mov_write_trailer,
|
|
.deinit = mov_free,
|
|
.flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
|
|
.codec_tag = (const AVCodecTag* const []){ codec_mp4_tags, 0 },
|
|
.check_bitstream = mov_check_bitstream,
|
|
.priv_class = &mp4_muxer_class,
|
|
};
|
|
#endif
|
|
#if CONFIG_PSP_MUXER
|
|
MOV_CLASS(psp)
|
|
AVOutputFormat ff_psp_muxer = {
|
|
.name = "psp",
|
|
.long_name = NULL_IF_CONFIG_SMALL("PSP MP4 (MPEG-4 Part 14)"),
|
|
.extensions = "mp4,psp",
|
|
.priv_data_size = sizeof(MOVMuxContext),
|
|
.audio_codec = AV_CODEC_ID_AAC,
|
|
.video_codec = CONFIG_LIBX264_ENCODER ?
|
|
AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
|
|
.init = mov_init,
|
|
.write_header = mov_write_header,
|
|
.write_packet = mov_write_packet,
|
|
.write_trailer = mov_write_trailer,
|
|
.deinit = mov_free,
|
|
.flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
|
|
.codec_tag = (const AVCodecTag* const []){ codec_mp4_tags, 0 },
|
|
.check_bitstream = mov_check_bitstream,
|
|
.priv_class = &psp_muxer_class,
|
|
};
|
|
#endif
|
|
#if CONFIG_TG2_MUXER
|
|
MOV_CLASS(tg2)
|
|
AVOutputFormat ff_tg2_muxer = {
|
|
.name = "3g2",
|
|
.long_name = NULL_IF_CONFIG_SMALL("3GP2 (3GPP2 file format)"),
|
|
.extensions = "3g2",
|
|
.priv_data_size = sizeof(MOVMuxContext),
|
|
.audio_codec = AV_CODEC_ID_AMR_NB,
|
|
.video_codec = AV_CODEC_ID_H263,
|
|
.init = mov_init,
|
|
.write_header = mov_write_header,
|
|
.write_packet = mov_write_packet,
|
|
.write_trailer = mov_write_trailer,
|
|
.deinit = mov_free,
|
|
.flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
|
|
.codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
|
|
.check_bitstream = mov_check_bitstream,
|
|
.priv_class = &tg2_muxer_class,
|
|
};
|
|
#endif
|
|
#if CONFIG_IPOD_MUXER
|
|
MOV_CLASS(ipod)
|
|
AVOutputFormat ff_ipod_muxer = {
|
|
.name = "ipod",
|
|
.long_name = NULL_IF_CONFIG_SMALL("iPod H.264 MP4 (MPEG-4 Part 14)"),
|
|
.mime_type = "video/mp4",
|
|
.extensions = "m4v,m4a,m4b",
|
|
.priv_data_size = sizeof(MOVMuxContext),
|
|
.audio_codec = AV_CODEC_ID_AAC,
|
|
.video_codec = AV_CODEC_ID_H264,
|
|
.init = mov_init,
|
|
.write_header = mov_write_header,
|
|
.write_packet = mov_write_packet,
|
|
.write_trailer = mov_write_trailer,
|
|
.deinit = mov_free,
|
|
.flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
|
|
.codec_tag = (const AVCodecTag* const []){ codec_ipod_tags, 0 },
|
|
.check_bitstream = mov_check_bitstream,
|
|
.priv_class = &ipod_muxer_class,
|
|
};
|
|
#endif
|
|
#if CONFIG_ISMV_MUXER
|
|
MOV_CLASS(ismv)
|
|
AVOutputFormat ff_ismv_muxer = {
|
|
.name = "ismv",
|
|
.long_name = NULL_IF_CONFIG_SMALL("ISMV/ISMA (Smooth Streaming)"),
|
|
.mime_type = "video/mp4",
|
|
.extensions = "ismv,isma",
|
|
.priv_data_size = sizeof(MOVMuxContext),
|
|
.audio_codec = AV_CODEC_ID_AAC,
|
|
.video_codec = AV_CODEC_ID_H264,
|
|
.init = mov_init,
|
|
.write_header = mov_write_header,
|
|
.write_packet = mov_write_packet,
|
|
.write_trailer = mov_write_trailer,
|
|
.deinit = mov_free,
|
|
.flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
|
|
.codec_tag = (const AVCodecTag* const []){
|
|
codec_mp4_tags, codec_ism_tags, 0 },
|
|
.check_bitstream = mov_check_bitstream,
|
|
.priv_class = &ismv_muxer_class,
|
|
};
|
|
#endif
|
|
#if CONFIG_F4V_MUXER
|
|
MOV_CLASS(f4v)
|
|
AVOutputFormat ff_f4v_muxer = {
|
|
.name = "f4v",
|
|
.long_name = NULL_IF_CONFIG_SMALL("F4V Adobe Flash Video"),
|
|
.mime_type = "application/f4v",
|
|
.extensions = "f4v",
|
|
.priv_data_size = sizeof(MOVMuxContext),
|
|
.audio_codec = AV_CODEC_ID_AAC,
|
|
.video_codec = AV_CODEC_ID_H264,
|
|
.init = mov_init,
|
|
.write_header = mov_write_header,
|
|
.write_packet = mov_write_packet,
|
|
.write_trailer = mov_write_trailer,
|
|
.deinit = mov_free,
|
|
.flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
|
|
.codec_tag = (const AVCodecTag* const []){ codec_f4v_tags, 0 },
|
|
.check_bitstream = mov_check_bitstream,
|
|
.priv_class = &f4v_muxer_class,
|
|
};
|
|
#endif
|