mirror of https://github.com/FFmpeg/FFmpeg.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
77 lines
2.3 KiB
77 lines
2.3 KiB
/* |
|
* |
|
* 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 |
|
*/ |
|
|
|
/** |
|
* @file |
|
* A public API for Vorbis parsing |
|
* |
|
* Determines the duration for each packet. |
|
*/ |
|
|
|
#ifndef AVCODEC_VORBIS_PARSE_H |
|
#define AVCODEC_VORBIS_PARSE_H |
|
|
|
#include <stdint.h> |
|
|
|
typedef struct AVVorbisParseContext AVVorbisParseContext; |
|
|
|
/** |
|
* Allocate and initialize the Vorbis parser using headers in the extradata. |
|
* |
|
* @param avctx codec context |
|
* @param s Vorbis parser context |
|
*/ |
|
AVVorbisParseContext *av_vorbis_parse_init(const uint8_t *extradata, |
|
int extradata_size); |
|
|
|
/** |
|
* Free the parser and everything associated with it. |
|
*/ |
|
void av_vorbis_parse_free(AVVorbisParseContext **s); |
|
|
|
#define VORBIS_FLAG_HEADER 0x00000001 |
|
#define VORBIS_FLAG_COMMENT 0x00000002 |
|
|
|
/** |
|
* Get the duration for a Vorbis packet. |
|
* |
|
* If @p flags is @c NULL, |
|
* special frames are considered invalid. |
|
* |
|
* @param s Vorbis parser context |
|
* @param buf buffer containing a Vorbis frame |
|
* @param buf_size size of the buffer |
|
* @param flags flags for special frames |
|
*/ |
|
int av_vorbis_parse_frame_flags(AVVorbisParseContext *s, const uint8_t *buf, |
|
int buf_size, int *flags); |
|
|
|
/** |
|
* Get the duration for a Vorbis packet. |
|
* |
|
* @param s Vorbis parser context |
|
* @param buf buffer containing a Vorbis frame |
|
* @param buf_size size of the buffer |
|
*/ |
|
int av_vorbis_parse_frame(AVVorbisParseContext *s, const uint8_t *buf, |
|
int buf_size); |
|
|
|
void av_vorbis_parse_reset(AVVorbisParseContext *s); |
|
|
|
#endif /* AVCODEC_VORBIS_PARSE_H */
|
|
|