early-access version 1432
This commit is contained in:
pineappleEA
560
externals/ffmpeg/libavcodec/mediacodecdec.c
vendored
Executable file
560
externals/ffmpeg/libavcodec/mediacodecdec.c
vendored
Executable file
@@ -0,0 +1,560 @@
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/*
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* Android MediaCodec MPEG-2 / H.264 / H.265 / MPEG-4 / VP8 / VP9 decoders
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*
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* Copyright (c) 2015-2016 Matthieu Bouron <matthieu.bouron stupeflix.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 <string.h>
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#include "libavutil/avassert.h"
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#include "libavutil/common.h"
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#include "libavutil/opt.h"
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#include "libavutil/intreadwrite.h"
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#include "libavutil/pixfmt.h"
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#include "libavutil/internal.h"
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#include "avcodec.h"
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#include "decode.h"
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#include "h264_parse.h"
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#include "hevc_parse.h"
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#include "hwconfig.h"
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#include "internal.h"
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#include "mediacodec_wrapper.h"
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#include "mediacodecdec_common.h"
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typedef struct MediaCodecH264DecContext {
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AVClass *avclass;
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MediaCodecDecContext *ctx;
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AVPacket buffered_pkt;
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int delay_flush;
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int amlogic_mpeg2_api23_workaround;
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} MediaCodecH264DecContext;
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static av_cold int mediacodec_decode_close(AVCodecContext *avctx)
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{
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MediaCodecH264DecContext *s = avctx->priv_data;
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ff_mediacodec_dec_close(avctx, s->ctx);
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s->ctx = NULL;
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av_packet_unref(&s->buffered_pkt);
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return 0;
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}
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#if CONFIG_H264_MEDIACODEC_DECODER || CONFIG_HEVC_MEDIACODEC_DECODER
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static int h2645_ps_to_nalu(const uint8_t *src, int src_size, uint8_t **out, int *out_size)
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{
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int i;
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int ret = 0;
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uint8_t *p = NULL;
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static const uint8_t nalu_header[] = { 0x00, 0x00, 0x00, 0x01 };
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if (!out || !out_size) {
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return AVERROR(EINVAL);
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}
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p = av_malloc(sizeof(nalu_header) + src_size);
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if (!p) {
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return AVERROR(ENOMEM);
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}
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*out = p;
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*out_size = sizeof(nalu_header) + src_size;
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memcpy(p, nalu_header, sizeof(nalu_header));
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memcpy(p + sizeof(nalu_header), src, src_size);
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/* Escape 0x00, 0x00, 0x0{0-3} pattern */
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for (i = 4; i < *out_size; i++) {
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if (i < *out_size - 3 &&
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p[i + 0] == 0 &&
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p[i + 1] == 0 &&
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p[i + 2] <= 3) {
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uint8_t *new;
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*out_size += 1;
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new = av_realloc(*out, *out_size);
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if (!new) {
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ret = AVERROR(ENOMEM);
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goto done;
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}
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*out = p = new;
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i = i + 2;
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memmove(p + i + 1, p + i, *out_size - (i + 1));
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p[i] = 0x03;
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}
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}
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done:
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if (ret < 0) {
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av_freep(out);
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*out_size = 0;
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}
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return ret;
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}
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#endif
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#if CONFIG_H264_MEDIACODEC_DECODER
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static int h264_set_extradata(AVCodecContext *avctx, FFAMediaFormat *format)
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{
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int i;
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int ret;
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H264ParamSets ps;
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const PPS *pps = NULL;
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const SPS *sps = NULL;
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int is_avc = 0;
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int nal_length_size = 0;
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memset(&ps, 0, sizeof(ps));
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ret = ff_h264_decode_extradata(avctx->extradata, avctx->extradata_size,
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&ps, &is_avc, &nal_length_size, 0, avctx);
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if (ret < 0) {
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goto done;
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}
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for (i = 0; i < MAX_PPS_COUNT; i++) {
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if (ps.pps_list[i]) {
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pps = (const PPS*)ps.pps_list[i]->data;
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break;
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}
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}
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if (pps) {
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if (ps.sps_list[pps->sps_id]) {
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sps = (const SPS*)ps.sps_list[pps->sps_id]->data;
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}
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}
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if (pps && sps) {
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uint8_t *data = NULL;
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int data_size = 0;
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if ((ret = h2645_ps_to_nalu(sps->data, sps->data_size, &data, &data_size)) < 0) {
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goto done;
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}
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ff_AMediaFormat_setBuffer(format, "csd-0", (void*)data, data_size);
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av_freep(&data);
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if ((ret = h2645_ps_to_nalu(pps->data, pps->data_size, &data, &data_size)) < 0) {
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goto done;
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}
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ff_AMediaFormat_setBuffer(format, "csd-1", (void*)data, data_size);
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av_freep(&data);
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} else {
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av_log(avctx, AV_LOG_ERROR, "Could not extract PPS/SPS from extradata");
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ret = AVERROR_INVALIDDATA;
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}
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done:
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ff_h264_ps_uninit(&ps);
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return ret;
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}
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#endif
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#if CONFIG_HEVC_MEDIACODEC_DECODER
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static int hevc_set_extradata(AVCodecContext *avctx, FFAMediaFormat *format)
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{
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int i;
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int ret;
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HEVCParamSets ps;
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HEVCSEI sei;
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const HEVCVPS *vps = NULL;
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const HEVCPPS *pps = NULL;
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const HEVCSPS *sps = NULL;
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int is_nalff = 0;
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int nal_length_size = 0;
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uint8_t *vps_data = NULL;
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uint8_t *sps_data = NULL;
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uint8_t *pps_data = NULL;
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int vps_data_size = 0;
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int sps_data_size = 0;
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int pps_data_size = 0;
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memset(&ps, 0, sizeof(ps));
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memset(&sei, 0, sizeof(sei));
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ret = ff_hevc_decode_extradata(avctx->extradata, avctx->extradata_size,
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&ps, &sei, &is_nalff, &nal_length_size, 0, 1, avctx);
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if (ret < 0) {
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goto done;
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}
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for (i = 0; i < HEVC_MAX_VPS_COUNT; i++) {
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if (ps.vps_list[i]) {
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vps = (const HEVCVPS*)ps.vps_list[i]->data;
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break;
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}
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}
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for (i = 0; i < HEVC_MAX_PPS_COUNT; i++) {
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if (ps.pps_list[i]) {
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pps = (const HEVCPPS*)ps.pps_list[i]->data;
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break;
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}
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}
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if (pps) {
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if (ps.sps_list[pps->sps_id]) {
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sps = (const HEVCSPS*)ps.sps_list[pps->sps_id]->data;
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}
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}
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if (vps && pps && sps) {
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uint8_t *data;
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int data_size;
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if ((ret = h2645_ps_to_nalu(vps->data, vps->data_size, &vps_data, &vps_data_size)) < 0 ||
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(ret = h2645_ps_to_nalu(sps->data, sps->data_size, &sps_data, &sps_data_size)) < 0 ||
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(ret = h2645_ps_to_nalu(pps->data, pps->data_size, &pps_data, &pps_data_size)) < 0) {
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goto done;
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}
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data_size = vps_data_size + sps_data_size + pps_data_size;
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data = av_mallocz(data_size);
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if (!data) {
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ret = AVERROR(ENOMEM);
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goto done;
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}
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memcpy(data , vps_data, vps_data_size);
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memcpy(data + vps_data_size , sps_data, sps_data_size);
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memcpy(data + vps_data_size + sps_data_size, pps_data, pps_data_size);
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ff_AMediaFormat_setBuffer(format, "csd-0", data, data_size);
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av_freep(&data);
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} else {
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av_log(avctx, AV_LOG_ERROR, "Could not extract VPS/PPS/SPS from extradata");
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ret = AVERROR_INVALIDDATA;
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}
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done:
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ff_hevc_ps_uninit(&ps);
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av_freep(&vps_data);
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av_freep(&sps_data);
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av_freep(&pps_data);
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return ret;
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}
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#endif
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#if CONFIG_MPEG2_MEDIACODEC_DECODER || \
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CONFIG_MPEG4_MEDIACODEC_DECODER || \
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CONFIG_VP8_MEDIACODEC_DECODER || \
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CONFIG_VP9_MEDIACODEC_DECODER
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static int common_set_extradata(AVCodecContext *avctx, FFAMediaFormat *format)
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{
|
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int ret = 0;
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if (avctx->extradata) {
|
||||
ff_AMediaFormat_setBuffer(format, "csd-0", avctx->extradata, avctx->extradata_size);
|
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}
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return ret;
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}
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#endif
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static av_cold int mediacodec_decode_init(AVCodecContext *avctx)
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{
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int ret;
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int sdk_int;
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||||
const char *codec_mime = NULL;
|
||||
|
||||
FFAMediaFormat *format = NULL;
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MediaCodecH264DecContext *s = avctx->priv_data;
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||||
format = ff_AMediaFormat_new();
|
||||
if (!format) {
|
||||
av_log(avctx, AV_LOG_ERROR, "Failed to create media format\n");
|
||||
ret = AVERROR_EXTERNAL;
|
||||
goto done;
|
||||
}
|
||||
|
||||
switch (avctx->codec_id) {
|
||||
#if CONFIG_H264_MEDIACODEC_DECODER
|
||||
case AV_CODEC_ID_H264:
|
||||
codec_mime = "video/avc";
|
||||
|
||||
ret = h264_set_extradata(avctx, format);
|
||||
if (ret < 0)
|
||||
goto done;
|
||||
break;
|
||||
#endif
|
||||
#if CONFIG_HEVC_MEDIACODEC_DECODER
|
||||
case AV_CODEC_ID_HEVC:
|
||||
codec_mime = "video/hevc";
|
||||
|
||||
ret = hevc_set_extradata(avctx, format);
|
||||
if (ret < 0)
|
||||
goto done;
|
||||
break;
|
||||
#endif
|
||||
#if CONFIG_MPEG2_MEDIACODEC_DECODER
|
||||
case AV_CODEC_ID_MPEG2VIDEO:
|
||||
codec_mime = "video/mpeg2";
|
||||
|
||||
ret = common_set_extradata(avctx, format);
|
||||
if (ret < 0)
|
||||
goto done;
|
||||
break;
|
||||
#endif
|
||||
#if CONFIG_MPEG4_MEDIACODEC_DECODER
|
||||
case AV_CODEC_ID_MPEG4:
|
||||
codec_mime = "video/mp4v-es",
|
||||
|
||||
ret = common_set_extradata(avctx, format);
|
||||
if (ret < 0)
|
||||
goto done;
|
||||
break;
|
||||
#endif
|
||||
#if CONFIG_VP8_MEDIACODEC_DECODER
|
||||
case AV_CODEC_ID_VP8:
|
||||
codec_mime = "video/x-vnd.on2.vp8";
|
||||
|
||||
ret = common_set_extradata(avctx, format);
|
||||
if (ret < 0)
|
||||
goto done;
|
||||
break;
|
||||
#endif
|
||||
#if CONFIG_VP9_MEDIACODEC_DECODER
|
||||
case AV_CODEC_ID_VP9:
|
||||
codec_mime = "video/x-vnd.on2.vp9";
|
||||
|
||||
ret = common_set_extradata(avctx, format);
|
||||
if (ret < 0)
|
||||
goto done;
|
||||
break;
|
||||
#endif
|
||||
default:
|
||||
av_assert0(0);
|
||||
}
|
||||
|
||||
ff_AMediaFormat_setString(format, "mime", codec_mime);
|
||||
ff_AMediaFormat_setInt32(format, "width", avctx->width);
|
||||
ff_AMediaFormat_setInt32(format, "height", avctx->height);
|
||||
|
||||
s->ctx = av_mallocz(sizeof(*s->ctx));
|
||||
if (!s->ctx) {
|
||||
av_log(avctx, AV_LOG_ERROR, "Failed to allocate MediaCodecDecContext\n");
|
||||
ret = AVERROR(ENOMEM);
|
||||
goto done;
|
||||
}
|
||||
|
||||
s->ctx->delay_flush = s->delay_flush;
|
||||
|
||||
if ((ret = ff_mediacodec_dec_init(avctx, s->ctx, codec_mime, format)) < 0) {
|
||||
s->ctx = NULL;
|
||||
goto done;
|
||||
}
|
||||
|
||||
av_log(avctx, AV_LOG_INFO,
|
||||
"MediaCodec started successfully: codec = %s, ret = %d\n",
|
||||
s->ctx->codec_name, ret);
|
||||
|
||||
sdk_int = ff_Build_SDK_INT(avctx);
|
||||
if (sdk_int <= 23 &&
|
||||
strcmp(s->ctx->codec_name, "OMX.amlogic.mpeg2.decoder.awesome") == 0) {
|
||||
av_log(avctx, AV_LOG_INFO, "Enabling workaround for %s on API=%d\n",
|
||||
s->ctx->codec_name, sdk_int);
|
||||
s->amlogic_mpeg2_api23_workaround = 1;
|
||||
}
|
||||
|
||||
done:
|
||||
if (format) {
|
||||
ff_AMediaFormat_delete(format);
|
||||
}
|
||||
|
||||
if (ret < 0) {
|
||||
mediacodec_decode_close(avctx);
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int mediacodec_receive_frame(AVCodecContext *avctx, AVFrame *frame)
|
||||
{
|
||||
MediaCodecH264DecContext *s = avctx->priv_data;
|
||||
int ret;
|
||||
ssize_t index;
|
||||
|
||||
/* In delay_flush mode, wait until the user has released or rendered
|
||||
all retained frames. */
|
||||
if (s->delay_flush && ff_mediacodec_dec_is_flushing(avctx, s->ctx)) {
|
||||
if (!ff_mediacodec_dec_flush(avctx, s->ctx)) {
|
||||
return AVERROR(EAGAIN);
|
||||
}
|
||||
}
|
||||
|
||||
/* poll for new frame */
|
||||
ret = ff_mediacodec_dec_receive(avctx, s->ctx, frame, false);
|
||||
if (ret != AVERROR(EAGAIN))
|
||||
return ret;
|
||||
|
||||
/* feed decoder */
|
||||
while (1) {
|
||||
if (s->ctx->current_input_buffer < 0) {
|
||||
/* poll for input space */
|
||||
index = ff_AMediaCodec_dequeueInputBuffer(s->ctx->codec, 0);
|
||||
if (index < 0) {
|
||||
/* no space, block for an output frame to appear */
|
||||
return ff_mediacodec_dec_receive(avctx, s->ctx, frame, true);
|
||||
}
|
||||
s->ctx->current_input_buffer = index;
|
||||
}
|
||||
|
||||
/* try to flush any buffered packet data */
|
||||
if (s->buffered_pkt.size > 0) {
|
||||
ret = ff_mediacodec_dec_send(avctx, s->ctx, &s->buffered_pkt, false);
|
||||
if (ret >= 0) {
|
||||
s->buffered_pkt.size -= ret;
|
||||
s->buffered_pkt.data += ret;
|
||||
if (s->buffered_pkt.size <= 0) {
|
||||
av_packet_unref(&s->buffered_pkt);
|
||||
} else {
|
||||
av_log(avctx, AV_LOG_WARNING,
|
||||
"could not send entire packet in single input buffer (%d < %d)\n",
|
||||
ret, s->buffered_pkt.size+ret);
|
||||
}
|
||||
} else if (ret < 0 && ret != AVERROR(EAGAIN)) {
|
||||
return ret;
|
||||
}
|
||||
|
||||
if (s->amlogic_mpeg2_api23_workaround && s->buffered_pkt.size <= 0) {
|
||||
/* fallthrough to fetch next packet regardless of input buffer space */
|
||||
} else {
|
||||
/* poll for space again */
|
||||
continue;
|
||||
}
|
||||
}
|
||||
|
||||
/* fetch new packet or eof */
|
||||
ret = ff_decode_get_packet(avctx, &s->buffered_pkt);
|
||||
if (ret == AVERROR_EOF) {
|
||||
AVPacket null_pkt = { 0 };
|
||||
ret = ff_mediacodec_dec_send(avctx, s->ctx, &null_pkt, true);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
return ff_mediacodec_dec_receive(avctx, s->ctx, frame, true);
|
||||
} else if (ret == AVERROR(EAGAIN) && s->ctx->current_input_buffer < 0) {
|
||||
return ff_mediacodec_dec_receive(avctx, s->ctx, frame, true);
|
||||
} else if (ret < 0) {
|
||||
return ret;
|
||||
}
|
||||
}
|
||||
|
||||
return AVERROR(EAGAIN);
|
||||
}
|
||||
|
||||
static void mediacodec_decode_flush(AVCodecContext *avctx)
|
||||
{
|
||||
MediaCodecH264DecContext *s = avctx->priv_data;
|
||||
|
||||
av_packet_unref(&s->buffered_pkt);
|
||||
|
||||
ff_mediacodec_dec_flush(avctx, s->ctx);
|
||||
}
|
||||
|
||||
static const AVCodecHWConfigInternal *mediacodec_hw_configs[] = {
|
||||
&(const AVCodecHWConfigInternal) {
|
||||
.public = {
|
||||
.pix_fmt = AV_PIX_FMT_MEDIACODEC,
|
||||
.methods = AV_CODEC_HW_CONFIG_METHOD_AD_HOC |
|
||||
AV_CODEC_HW_CONFIG_METHOD_HW_DEVICE_CTX,
|
||||
.device_type = AV_HWDEVICE_TYPE_MEDIACODEC,
|
||||
},
|
||||
.hwaccel = NULL,
|
||||
},
|
||||
NULL
|
||||
};
|
||||
|
||||
#define OFFSET(x) offsetof(MediaCodecH264DecContext, x)
|
||||
#define VD AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM
|
||||
static const AVOption ff_mediacodec_vdec_options[] = {
|
||||
{ "delay_flush", "Delay flush until hw output buffers are returned to the decoder",
|
||||
OFFSET(delay_flush), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, VD },
|
||||
{ NULL }
|
||||
};
|
||||
|
||||
#define DECLARE_MEDIACODEC_VCLASS(short_name) \
|
||||
static const AVClass ff_##short_name##_mediacodec_dec_class = { \
|
||||
.class_name = #short_name "_mediacodec", \
|
||||
.item_name = av_default_item_name, \
|
||||
.option = ff_mediacodec_vdec_options, \
|
||||
.version = LIBAVUTIL_VERSION_INT, \
|
||||
};
|
||||
|
||||
#define DECLARE_MEDIACODEC_VDEC(short_name, full_name, codec_id, bsf) \
|
||||
DECLARE_MEDIACODEC_VCLASS(short_name) \
|
||||
AVCodec ff_##short_name##_mediacodec_decoder = { \
|
||||
.name = #short_name "_mediacodec", \
|
||||
.long_name = NULL_IF_CONFIG_SMALL(full_name " Android MediaCodec decoder"), \
|
||||
.type = AVMEDIA_TYPE_VIDEO, \
|
||||
.id = codec_id, \
|
||||
.priv_class = &ff_##short_name##_mediacodec_dec_class, \
|
||||
.priv_data_size = sizeof(MediaCodecH264DecContext), \
|
||||
.init = mediacodec_decode_init, \
|
||||
.receive_frame = mediacodec_receive_frame, \
|
||||
.flush = mediacodec_decode_flush, \
|
||||
.close = mediacodec_decode_close, \
|
||||
.capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_AVOID_PROBING | AV_CODEC_CAP_HARDWARE, \
|
||||
.caps_internal = FF_CODEC_CAP_SETS_PKT_DTS, \
|
||||
.bsfs = bsf, \
|
||||
.hw_configs = mediacodec_hw_configs, \
|
||||
.wrapper_name = "mediacodec", \
|
||||
}; \
|
||||
|
||||
#if CONFIG_H264_MEDIACODEC_DECODER
|
||||
DECLARE_MEDIACODEC_VDEC(h264, "H.264", AV_CODEC_ID_H264, "h264_mp4toannexb")
|
||||
#endif
|
||||
|
||||
#if CONFIG_HEVC_MEDIACODEC_DECODER
|
||||
DECLARE_MEDIACODEC_VDEC(hevc, "H.265", AV_CODEC_ID_HEVC, "hevc_mp4toannexb")
|
||||
#endif
|
||||
|
||||
#if CONFIG_MPEG2_MEDIACODEC_DECODER
|
||||
DECLARE_MEDIACODEC_VDEC(mpeg2, "MPEG-2", AV_CODEC_ID_MPEG2VIDEO, NULL)
|
||||
#endif
|
||||
|
||||
#if CONFIG_MPEG4_MEDIACODEC_DECODER
|
||||
DECLARE_MEDIACODEC_VDEC(mpeg4, "MPEG-4", AV_CODEC_ID_MPEG4, NULL)
|
||||
#endif
|
||||
|
||||
#if CONFIG_VP8_MEDIACODEC_DECODER
|
||||
DECLARE_MEDIACODEC_VDEC(vp8, "VP8", AV_CODEC_ID_VP8, NULL)
|
||||
#endif
|
||||
|
||||
#if CONFIG_VP9_MEDIACODEC_DECODER
|
||||
DECLARE_MEDIACODEC_VDEC(vp9, "VP9", AV_CODEC_ID_VP9, NULL)
|
||||
#endif
|
||||
Reference in New Issue
Block a user