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"

Data Structures
struct	AVCodecGuid

Macros
#define	FF_PUT_WAV_HEADER_FORCE_WAVEFORMATEX 0x00000001
	Tell ff_put_wav_header() to use WAVEFORMATEX even for PCM codecs.

#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 ignore_extradata)

int	ff_put_wav_header (AVIOContext pb, AVCodecContext enc, int flags)
	Write WAVEFORMAT header structure.

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 (AVStream st, 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)

int	ff_get_guid (AVIOContext s, ff_asf_guid g)

void	ff_put_guid (AVIOContext s, const ff_asf_guid g)

const ff_asf_guid *	get_codec_guid (enum AVCodecID id, const AVCodecGuid *av_guid)

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

Variables
const AVMetadataConv	ff_riff_info_conv []

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_PUT_WAV_HEADER_FORCE_WAVEFORMATEX 0x00000001

Tell ff_put_wav_header() to use WAVEFORMATEX even for PCM codecs.

Definition at line 53 of file riff.h.

Referenced by asf_write_header1(), ff_put_wav_header(), mkv_write_codecprivate(), and mov_write_wfex_tag().

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

Definition at line 93 of file riff.h.

Referenced by parse_chunks(), parse_legacy_attrib(), parse_media_type(), parse_waveformatex(), 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 96 of file riff.h.

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

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

Definition at line 100 of file riff.h.

Referenced by parse_media_type(), parse_waveformatex(), and write_stream_codec_info().

Typedef Documentation

typedef uint8_t ff_asf_guid[16]

Definition at line 84 of file riff.h.

Function Documentation

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

Definition at line 31 of file riffenc.c.

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

void ff_end_tag	(	AVIOContext *	pb,
		int64_t	start
	)

Definition at line 38 of file riffenc.c.

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

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

Definition at line 159 of file riffdec.c.

Referenced by avi_read_header(), and parse_videoinfoheader2().

void ff_put_bmp_header	(	AVIOContext *	pb,
		AVCodecContext *	enc,
		const AVCodecTag *	tags,
		int	for_asf,
		int	ignore_extradata
	)

Definition at line 209 of file riffenc.c.

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

int ff_put_wav_header	(	AVIOContext *	pb,
		AVCodecContext *	enc,
		int	flags
	)

Write WAVEFORMAT header structure.

Parameters

flags a combination of FF_PUT_WAV_HEADER_* constants

Returns: the size or -1 on error

Definition at line 54 of file riffenc.c.

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
	)

Definition at line 142 of file riffdec.c.

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

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

Definition at line 83 of file riffdec.c.

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

void ff_parse_specific_params	(	AVStream *	st,
		int *	au_rate,
		int *	au_ssize,
		int *	au_scale
	)

Definition at line 237 of file riffenc.c.

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

int ff_read_riff_info	(	AVFormatContext *	s,
		int64_t	size
	)

Definition at line 177 of file riffdec.c.

Referenced by avi_load_index(), and avi_read_header().

void ff_riff_write_info ( AVFormatContext * s )

Write all recognized RIFF tags from s->metadata.

Definition at line 301 of file riffenc.c.

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

Write a single RIFF info tag.

Definition at line 270 of file riffenc.c.

Referenced by avi_write_header(), and ff_riff_write_info().

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

static

Definition at line 103 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().

int ff_get_guid	(	AVIOContext *	s,
		ff_asf_guid *	g
	)

Definition at line 32 of file riffdec.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(), parse_media_type(), and parse_waveformatex().

void ff_put_guid	(	AVIOContext *	s,
		const ff_asf_guid *	g
	)

Definition at line 323 of file riffenc.c.

Referenced by asf_write_header1(), asf_write_index(), asf_write_markers(), ff_put_wav_header(), put_header(), write_chunk_header(), write_header(), write_index(), write_metadata_header(), write_root_table(), and write_stream_codec_info().

const ff_asf_guid* get_codec_guid	(	enum AVCodecID	id,
		const AVCodecGuid *	av_guid
	)

Definition at line 329 of file riffenc.c.

Referenced by ff_put_wav_header(), and write_stream_codec_info().

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

Definition at line 42 of file riffdec.c.

Referenced by parse_media_type(), and parse_waveformatex().

Variable Documentation

const AVMetadataConv ff_riff_info_conv[]

Definition at line 440 of file riff.c.

Referenced by avi_read_header(), and ff_riff_write_info().

const AVCodecTag ff_codec_bmp_tags[]

const AVCodecTag ff_codec_wav_tags[]

Definition at line 365 of file riff.c.

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

const AVCodecGuid ff_codec_wav_guids[]

Definition at line 467 of file riff.c.

Referenced by ff_put_wav_header(), parse_media_type(), parse_waveformatex(), and write_stream_codec_info().

Data Structures

Macros

Typedefs

Functions

Variables

Detailed Description

Macro Definition Documentation

Typedef Documentation

Function Documentation

Variable Documentation