2 * AVC helper functions for muxers
3 * Copyright (c) 2008 Aurelien Jacobs <aurel@gnuage.org>
5 * This file is part of FFmpeg.
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22 #ifndef AVFORMAT_AVC_H
23 #define AVFORMAT_AVC_H
28 int ff_avc_parse_nal_units(AVIOContext *s, const uint8_t *buf, int size);
29 int ff_avc_parse_nal_units_buf(const uint8_t *buf_in, uint8_t **buf, int *size);
30 int ff_isom_write_avcc(AVIOContext *pb, const uint8_t *data, int len);
31 const uint8_t *ff_avc_find_startcode(const uint8_t *p, const uint8_t *end);
32 int ff_avc_write_annexb_extradata(const uint8_t *in, uint8_t **buf, int *size);
33 const uint8_t *ff_avc_mp4_find_startcode(const uint8_t *start,
36 uint8_t *ff_nal_unit_extract_rbsp(const uint8_t *src, uint32_t src_len,
37 uint32_t *dst_len, int header_len);
43 uint8_t constraint_set_flags;
44 uint8_t chroma_format_idc;
45 uint8_t bit_depth_luma;
46 uint8_t bit_depth_chroma;
47 uint8_t frame_mbs_only_flag;
49 } H264SequenceParameterSet;
51 H264SequenceParameterSet *ff_avc_decode_sps(const uint8_t *src, int src_len);
53 #endif /* AVFORMAT_AVC_H */