early-access version 1432

externals/ffmpeg/libavformat/avc.h

@@ -0,0 +1,53 @@
+/*
+ * AVC helper functions for muxers
+ * Copyright (c) 2008 Aurelien Jacobs <aurel@gnuage.org>
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef AVFORMAT_AVC_H
+#define AVFORMAT_AVC_H
+
+#include <stdint.h>
+#include "avio.h"
+
+int ff_avc_parse_nal_units(AVIOContext *s, const uint8_t *buf, int size);
+int ff_avc_parse_nal_units_buf(const uint8_t *buf_in, uint8_t **buf, int *size);
+int ff_isom_write_avcc(AVIOContext *pb, const uint8_t *data, int len);
+const uint8_t *ff_avc_find_startcode(const uint8_t *p, const uint8_t *end);
+int ff_avc_write_annexb_extradata(const uint8_t *in, uint8_t **buf, int *size);
+const uint8_t *ff_avc_mp4_find_startcode(const uint8_t *start,
+                                         const uint8_t *end,
+                                         int nal_length_size);
+uint8_t *ff_nal_unit_extract_rbsp(const uint8_t *src, uint32_t src_len,
+                                  uint32_t *dst_len, int header_len);
+
+typedef struct {
+    uint8_t id;
+    uint8_t profile_idc;
+    uint8_t level_idc;
+    uint8_t constraint_set_flags;
+    uint8_t chroma_format_idc;
+    uint8_t bit_depth_luma;
+    uint8_t bit_depth_chroma;
+    uint8_t frame_mbs_only_flag;
+    AVRational sar;
+} H264SPS;
+
+int ff_avc_decode_sps(H264SPS *sps, const uint8_t *buf, int buf_size);
+
+#endif /* AVFORMAT_AVC_H */