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.
71 lines
2.3 KiB
71 lines
2.3 KiB
/* |
|
* RIFF common functions and data |
|
* copyright (c) 2000 Fabrice Bellard |
|
* |
|
* This file is part of Libav. |
|
* |
|
* Libav 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. |
|
* |
|
* Libav 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 Libav; if not, write to the Free Software |
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
|
*/ |
|
|
|
/** |
|
* @file |
|
* internal header for RIFF based (de)muxers |
|
* do NOT include this in end user applications |
|
*/ |
|
|
|
#ifndef AVFORMAT_RIFF_H |
|
#define AVFORMAT_RIFF_H |
|
|
|
#include "libavcodec/avcodec.h" |
|
#include "avio.h" |
|
#include "internal.h" |
|
#include "metadata.h" |
|
|
|
extern const AVMetadataConv ff_riff_info_conv[]; |
|
extern const char ff_riff_tags[][5]; |
|
|
|
int64_t ff_start_tag(AVIOContext *pb, const char *tag); |
|
void ff_end_tag(AVIOContext *pb, int64_t start); |
|
|
|
/** |
|
* Read BITMAPINFOHEADER structure and set AVStream codec width, height and |
|
* bits_per_encoded_sample fields. Does not read extradata. |
|
* @return codec tag |
|
*/ |
|
int ff_get_bmp_header(AVIOContext *pb, AVStream *st); |
|
|
|
void ff_put_bmp_header(AVIOContext *pb, AVCodecContext *enc, const AVCodecTag *tags, int for_asf); |
|
int ff_put_wav_header(AVIOContext *pb, AVCodecContext *enc); |
|
enum AVCodecID ff_wav_codec_get_id(unsigned int tag, int bps); |
|
int ff_get_wav_header(AVIOContext *pb, AVCodecContext *codec, int size); |
|
|
|
extern const AVCodecTag ff_codec_bmp_tags[]; |
|
extern const AVCodecTag ff_codec_wav_tags[]; |
|
|
|
void ff_parse_specific_params(AVCodecContext *stream, int *au_rate, int *au_ssize, int *au_scale); |
|
|
|
int ff_read_riff_info(AVFormatContext *s, int64_t size); |
|
|
|
/** |
|
* Write all recognized RIFF tags from s->metadata |
|
*/ |
|
void ff_riff_write_info(AVFormatContext *s); |
|
|
|
/** |
|
* Write a single RIFF info tag |
|
*/ |
|
void ff_riff_write_info_tag(AVIOContext *pb, const char *tag, const char *str); |
|
|
|
#endif /* AVFORMAT_RIFF_H */
|
|
|