riffenc.c File Reference

#include "libavutil/dict.h"
#include "libavutil/log.h"
#include "libavutil/mathematics.h"
#include "libavcodec/avcodec.h"
#include "libavcodec/bytestream.h"
#include "avformat.h"
#include "avio_internal.h"
#include "riff.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_put_wav_header (AVIOContext *pb, AVCodecContext *enc, int flags)
	Write WAVEFORMAT header structure.
void	ff_put_bmp_header (AVIOContext *pb, AVCodecContext *enc, const AVCodecTag *tags, int for_asf, int ignore_extradata)
void	ff_parse_specific_params (AVStream *st, int *au_rate, int *au_ssize, int *au_scale)
void	ff_riff_write_info_tag (AVIOContext *pb, const char *tag, const char *str)
	Write a single RIFF info tag.
static int	riff_has_valid_tags (AVFormatContext *s)
void	ff_riff_write_info (AVFormatContext *s)
	Write all recognized RIFF tags from s->metadata.
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)

Variables
static const char	riff_tags [][5]

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_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().

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().

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().

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 int riff_has_valid_tags ( AVFormatContext *  s )

static

Definition at line 290 of file riffenc.c.

Referenced by ff_riff_write_info().

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_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().

Variable Documentation

const char riff_tags[][5]

static

Initial value:

= {
    "IARL", "IART", "ICMS", "ICMT", "ICOP", "ICRD", "ICRP", "IDIM", "IDPI",
    "IENG", "IGNR", "IKEY", "ILGT", "ILNG", "IMED", "INAM", "IPLT", "IPRD",
    "IPRT", "ITRK", "ISBJ", "ISFT", "ISHP", "ISMP", "ISRC", "ISRF", "ITCH",
    { 0 }
}

Definition at line 283 of file riffenc.c.

Referenced by ff_riff_write_info(), and riff_has_valid_tags().