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.

Data Structures
struct	AVCodecGuid

Macros
#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)
#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, unsigned *esize)
	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 AVCodecID	ff_wav_codec_get_id (unsigned int tag, int bps)
int	ff_get_wav_header (AVIOContext *pb, AVCodecContext *codec, int size)
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)
void	ff_riff_write_info (AVFormatContext *s)
	Write all recognized RIFF tags from s->metadata.
void	ff_riff_write_info_tag (AVIOContext *pb, const char *tag, const char *str)
	Write a single RIFF info tag.
static av_always_inline int	ff_guidcmp (const void *g1, const void *g2)
void	ff_get_guid (AVIOContext *s, ff_asf_guid *g)
enum AVCodecID	ff_codec_guid_get_id (const AVCodecGuid *guids, ff_asf_guid guid)

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 []
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.

Macro Definition Documentation

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

Definition at line 80 of file riff.h.

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

#define FF_ARG_GUID

(

g

)

Value:

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 83 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 87 of file riff.h.

Referenced by parse_media_type().

Typedef Documentation

typedef uint8_t ff_asf_guid[16]

Definition at line 71 of file riff.h.

Function Documentation

int64_t ff_start_tag	(	AVIOContext *	pb,
		const char *	tag
	)

Referenced by avi_start_new_riff(), avi_write_header(), and avi_write_idx1().

void ff_end_tag	(	AVIOContext *	pb,
		int64_t	start
	)

Referenced by avi_write_header(), avi_write_idx1(), avi_write_packet(), and avi_write_trailer().

int ff_get_bmp_header	(	AVIOContext *	pb,
		AVStream *	st,
		unsigned *	esize
	)

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_put_bmp_header	(	AVIOContext *	pb,
		AVCodecContext *	enc,
		const AVCodecTag *	tags,
		int	for_asf
	)

Referenced by asf_write_header1(), avi_write_header(), mkv_write_codecprivate(), and write_stream_codec_info().

int ff_put_wav_header	(	AVIOContext *	pb,
		AVCodecContext *	enc
	)

Referenced by asf_write_header1(), avi_write_header(), mkv_write_codecprivate(), mov_write_ms_tag(), mov_write_wfex_tag(), and write_stream_codec_info().

enum AVCodecID ff_wav_codec_get_id	(	unsigned int	tag,
		int	bps
	)

Referenced by get_codec_data(), parse_media_type(), and xmv_read_header().

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

Referenced by asf_read_stream_properties(), avi_read_header(), dxa_read_header(), matroska_read_header(), mov_read_wfex(), parse_media_type(), read_header(), and xwma_read_header().

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

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

int ff_read_riff_info	(	AVFormatContext *	s,
		int64_t	size
	)

Referenced by avi_load_index(), and avi_read_header().

void ff_riff_write_info

(

AVFormatContext *

s

)

Write all recognized RIFF tags from s->metadata.

void ff_riff_write_info_tag	(	AVIOContext *	pb,
		const char *	tag,
		const char *	str
	)

Write a single RIFF info tag.

Referenced by avi_write_header().

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

static

Definition at line 90 of file riff.h.

Referenced by asf_build_simple_index(), asf_probe(), asf_read_header(), asf_read_stream_properties(), ff_codec_guid_get_id(), parse_chunks(), parse_legacy_attrib(), parse_media_type(), read_probe(), and wtvfile_open2().

void ff_get_guid	(	AVIOContext *	s,
		ff_asf_guid *	g
	)

Definition at line 448 of file riff.c.

Referenced by asf_build_simple_index(), asf_read_ext_stream_properties(), asf_read_file_properties(), asf_read_header(), asf_read_stream_properties(), parse_chunks(), parse_legacy_attrib(), and parse_media_type().

enum AVCodecID ff_codec_guid_get_id	(	const AVCodecGuid *	guids,
		ff_asf_guid	guid
	)

Definition at line 455 of file riff.c.

Referenced by parse_media_type().

Variable Documentation

const AVMetadataConv ff_riff_info_conv[]

Definition at line 432 of file riff.c.

Referenced by avi_read_header().

const char ff_riff_tags[][5]

const AVCodecTag ff_codec_bmp_tags[]

Definition at line 35 of file riff.c.

Referenced by asf_read_stream_properties(), asf_write_header1(), avformat_get_riff_video_tags(), avi_read_header(), avi_write_header(), decode_stream_header(), ff_mov_read_stsd_entries(), get_codec_data(), lvf_read_header(), matroska_read_header(), mkv_write_codecprivate(), mkv_write_tracks(), mov_get_codec_tag(), nut_read_header(), ogm_dshow_header(), ogm_header(), parse_media_type(), read_header(), and write_stream_codec_info().

const AVCodecTag ff_codec_wav_tags[]

Definition at line 357 of file riff.c.

Referenced by avformat_get_riff_audio_tags(), decode_stream_header(), ff_mov_read_stsd_entries(), lvf_read_header(), mkv_write_codecprivate(), mov_get_codec_tag(), mov_write_isml_manifest(), nut_read_header(), ogm_dshow_header(), and ogm_header().

const AVCodecGuid ff_codec_wav_guids[]

Definition at line 424 of file riff.c.

Referenced by parse_media_type(), and write_stream_codec_info().