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"
#include "metadata.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)
int	ff_read_riff_info (AVFormatContext *s, int64_t size)
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 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.

---

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 67 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 86 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 65 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 61 of file riff.h.

---

Function Documentation

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

Definition at line 2282 of file utils.c.

Referenced by asf_read_stream_properties(), au_read_header(), av_codec_get_id(), avi_read_header(), avisynth_read_header(), decode_stream_header(), ff_mov_read_stsd_entries(), ff_mp4_read_dec_config_descr(), ff_rm_read_mdpr_codecdata(), get_aiff_header(), get_codec_data(), lxf_read_header(), matroska_read_header(), nsv_parse_NSVs_header(), nut_read_header(), ogm_dshow_header(), ogm_header(), oma_read_header(), parse_media_type(), read_desc_chunk(), read_header(), rm_read_audio_stream_info(), rso_read_header(), smjpeg_read_header(), swf_read_packet(), and voc_get_packet().

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

Definition at line 2272 of file utils.c.

Referenced by av_codec_get_tag(), caf_write_header(), gxf_write_header(), ipod_get_codec_tag(), mkv_write_codecprivate(), mkv_write_tracks(), mov_find_codec_tag(), mov_get_codec_tag(), mov_write_esds_tag(), mp4_get_codec_tag(), and swf_write_video().

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

Definition at line 677 of file riff.c.

Referenced by parse_media_type().

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
	)

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
	)

Definition at line 671 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().

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().

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

Definition at line 70 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_parse_specific_params	(	AVCodecContext *	stream,
		int *	au_rate,
		int *	au_ssize,
		int *	au_scale
	)

Definition at line 649 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
	)

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(), and write_stream_codec_info().

int ff_read_riff_info	(	AVFormatContext *	s,
		int64_t	size
	)

Definition at line 687 of file riff.c.

Referenced by avi_read_header().

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

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

enum CodecID ff_wav_codec_get_id	(	unsigned int	tag,
		int	bps
	)

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

---

Variable Documentation

const AVCodecTag ff_codec_bmp_tags[]

Definition at line 31 of file riff.c.

Referenced by asf_read_stream_properties(), asf_write_header1(), avi_read_header(), avi_write_header(), avisynth_read_header(), decode_stream_header(), ff_mov_read_stsd_entries(), get_codec_data(), 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 AVCodecGuid ff_codec_wav_guids[]

Definition at line 357 of file riff.c.

Referenced by parse_media_type(), and write_stream_codec_info().

const AVCodecTag ff_codec_wav_tags[]

Definition at line 297 of file riff.c.

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

const AVMetadataConv ff_riff_info_conv[]

Definition at line 365 of file riff.c.

Referenced by avi_read_header().

const char ff_riff_tags[][5]

Definition at line 380 of file riff.c.