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git-svn-id: svn://kolibrios.org@4349 a494cfbc-eb01-0410-851d-a64ba20cac60
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Sergey Semyonov (Serge)
2013-12-15 08:09:20 +00:00
parent 6c6781f799
commit 754f9336f0
5801 changed files with 1688660 additions and 0 deletions
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contrib/sdk/sources/ffmpeg/libavformat/riff.h Normal file
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/*
* RIFF common functions and data
* copyright (c) 2000 Fabrice Bellard
*
* 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
* 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[];
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, unsigned *esize);
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[]; // exposed through avformat_get_riff_video_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);
typedef uint8_t ff_asf_guid[16];
typedef struct AVCodecGuid {
enum AVCodecID id;
ff_asf_guid guid;
} AVCodecGuid;
extern const AVCodecGuid ff_codec_wav_guids[];
#define FF_PRI_GUID \
"%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x"
#define FF_ARG_GUID(g) \
g[0], g[1], g[2], g[3], g[4], g[5], g[6], g[7], \
g[8], g[9], g[10], g[11], g[12], g[13], g[14], g[15]
#define FF_MEDIASUBTYPE_BASE_GUID \
0x00, 0x00, 0x10, 0x00, 0x80, 0x00, 0x00, 0xAA, 0x00, 0x38, 0x9B, 0x71
static av_always_inline int ff_guidcmp(const void *g1, const void *g2)
{
return memcmp(g1, g2, sizeof(ff_asf_guid));
}
void ff_get_guid(AVIOContext *s, ff_asf_guid *g);
enum AVCodecID ff_codec_guid_get_id(const AVCodecGuid *guids, ff_asf_guid guid);
#endif /* AVFORMAT_RIFF_H */