FFmpeg
libavcodec
xiph.h
Go to the documentation of this file.
1
/*
2
* Copyright (C) 2007 The FFmpeg Project
3
*
4
* This file is part of FFmpeg.
5
*
6
* FFmpeg is free software; you can redistribute it and/or
7
* modify it under the terms of the GNU Lesser General Public
8
* License as published by the Free Software Foundation; either
9
* version 2.1 of the License, or (at your option) any later version.
10
*
11
* FFmpeg is distributed in the hope that it will be useful,
12
* but WITHOUT ANY WARRANTY; without even the implied warranty of
13
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14
* Lesser General Public License for more details.
15
*
16
* You should have received a copy of the GNU Lesser General Public
17
* License along with FFmpeg; if not, write to the Free Software
18
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19
*/
20
21
#ifndef AVCODEC_XIPH_H
22
#define AVCODEC_XIPH_H
23
24
#include <stdint.h>
25
26
/**
27
* Split a single extradata buffer into the three headers that most
28
* Xiph codecs use. (e.g. Theora and Vorbis)
29
* Works both with Matroska's packing and lavc's packing.
30
*
31
* @param[in] extradata The single chunk that combines all three headers
32
* @param[in] extradata_size The size of the extradata buffer
33
* @param[in] first_header_size The size of the first header, used to
34
* differentiate between the Matroska packing and lavc packing.
35
* @param[out] header_start Pointers to the start of the three separate headers.
36
* @param[out] header_len The sizes of each of the three headers.
37
* @return On error a negative value is returned, on success zero.
38
*/
39
int
avpriv_split_xiph_headers
(
const
uint8_t *extradata,
int
extradata_size,
40
int
first_header_size,
const
uint8_t *header_start[3],
41
int
header_len[3]);
42
43
#endif
/* AVCODEC_XIPH_H */
avpriv_split_xiph_headers
int avpriv_split_xiph_headers(const uint8_t *extradata, int extradata_size, int first_header_size, const uint8_t *header_start[3], int header_len[3])
Split a single extradata buffer into the three headers that most Xiph codecs use.
Definition:
xiph.c:26
Generated on Wed Dec 11 2024 19:22:10 for FFmpeg by
1.8.17