libavformat/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"

Go to the source code of this file.

Data Structures

struct  AVCodecGuid

Defines

#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

Typedefs

typedef uint8_t ff_asf_guid [16]

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)
static av_always_inline int ff_guidcmp (const void *g1, const void *g2)
void ff_get_guid (AVIOContext *s, ff_asf_guid *g)
enum CodecID ff_codec_guid_get_id (const AVCodecGuid *guids, ff_asf_guid guid)

Variables

const AVCodecTag ff_codec_bmp_tags []
const AVCodecTag ff_codec_wav_tags []
const AVCodecGuid ff_codec_wav_guids []


Detailed Description

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

Definition in file riff.h.


Define Documentation

#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]

Definition at line 61 of file riff.h.

Referenced by parse_chunks(), parse_legacy_attrib(), parse_media_type(), and wtvfile_open2().

#define FF_MEDIASUBTYPE_BASE_GUID   0x00,0x00,0x10,0x00,0x80,0x00,0x00,0xAA,0x00,0x38,0x9B,0x71

Definition at line 80 of file riff.h.

Referenced by parse_media_type().

#define FF_PRI_GUID   "%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x"

Definition at line 59 of file riff.h.

Referenced by parse_chunks(), parse_legacy_attrib(), parse_media_type(), and wtvfile_open2().


Typedef Documentation

typedef uint8_t ff_asf_guid[16]

Definition at line 57 of file riff.h.


Function Documentation

enum CodecID ff_codec_get_id ( const AVCodecTag tags,
unsigned int  tag 
)

unsigned int ff_codec_get_tag ( const AVCodecTag tags,
enum CodecID  id 
)

enum CodecID ff_codec_guid_get_id ( const AVCodecGuid guids,
ff_asf_guid  guid 
)

Definition at line 630 of file riff.c.

Referenced by parse_media_type().

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_get_guid ( AVIOContext s,
ff_asf_guid g 
)

int ff_get_wav_header ( AVIOContext pb,
AVCodecContext codec,
int  size 
)

static av_always_inline int ff_guidcmp ( const void *  g1,
const void *  g2 
) [static]

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

Definition at line 602 of file riff.c.

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

int64_t ff_start_tag ( AVIOContext pb,
const char *  tag 
)

enum CodecID ff_wav_codec_get_id ( unsigned int  tag,
int  bps 
)


Variable Documentation

Definition at line 333 of file riff.c.

Referenced by parse_media_type().


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