riff.h File Reference

internal header for RIFF based (de)muxers do NOT include this in end user applications More...

#include "libavcodec/avcodec.h"
#include "avio.h"
#include "internal.h"
#include "metadata.h"

Go to the source code of this file.

Functions

int64_t ff_start_tag (AVIOContext *pb, const char *tag)
void ff_end_tag (AVIOContext *pb, int64_t start)
int ff_get_bmp_header (AVIOContext *pb, AVStream *st)
 Read BITMAPINFOHEADER structure and set AVStream codec width, height and bits_per_encoded_sample fields.
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 CodecID ff_wav_codec_get_id (unsigned int tag, int bps)
int ff_get_wav_header (AVIOContext *pb, AVCodecContext *codec, int size)
unsigned int ff_codec_get_tag (const AVCodecTag *tags, enum CodecID id)
enum CodecID ff_codec_get_id (const AVCodecTag *tags, unsigned int tag)
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)

Variables

const AVMetadataConv ff_riff_info_conv []
const char ff_riff_tags [][5]
const AVCodecTag ff_codec_bmp_tags []
const AVCodecTag ff_codec_wav_tags []

Detailed Description

internal header for RIFF based (de)muxers do NOT include this in end user applications

Definition in file riff.h.

Function Documentation

void ff_end_tag ( AVIOContext pb,
int64_t  start 
)
int ff_get_bmp_header ( AVIOContext pb,
AVStream st 
)

Read BITMAPINFOHEADER structure and set AVStream codec width, height and bits_per_encoded_sample fields.

Does not read extradata.

Returns
codec tag

Referenced by avi_read_header(), and parse_videoinfoheader2().

void ff_parse_specific_params ( AVCodecContext stream,
int *  au_rate,
int *  au_ssize,
int *  au_scale 
)

Definition at line 623 of file riff.c.

Referenced by avi_write_counters(), avi_write_header(), and nut_write_header().

void ff_put_bmp_header ( AVIOContext pb,
AVCodecContext enc,
const AVCodecTag tags,
int  for_asf 
)
int ff_put_wav_header ( AVIOContext pb,
AVCodecContext enc 
)
int ff_read_riff_info ( AVFormatContext s,
int64_t  size 
)

Definition at line 645 of file riff.c.

Referenced by avi_read_header().

int64_t ff_start_tag ( AVIOContext pb,
const char *  tag 
)
enum CodecID ff_wav_codec_get_id ( unsigned int  tag,
int  bps 
)

Variable Documentation

const AVMetadataConv ff_riff_info_conv[]

Definition at line 346 of file riff.c.

Referenced by avi_read_header().

const char ff_riff_tags[][5]

Definition at line 361 of file riff.c.