riffdec.c File Reference

#include "libavutil/dict.h"
#include "libavutil/error.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
int	ff_get_guid (AVIOContext *s, ff_asf_guid *g)
enum AVCodecID	ff_codec_guid_get_id (const AVCodecGuid *guids, ff_asf_guid guid)
static void	parse_waveformatex (AVIOContext *pb, AVCodecParameters *par)
int	ff_get_wav_header (AVFormatContext *s, AVIOContext *pb, AVCodecParameters *par, int size, int big_endian)
enum AVCodecID	ff_wav_codec_get_id (unsigned int tag, int bps)
int	ff_get_bmp_header (AVIOContext *pb, AVStream *st, uint32_t *size)
	Read BITMAPINFOHEADER structure and set AVStream codec width, height and bits_per_encoded_sample fields. More...
int	ff_read_riff_info (AVFormatContext *s, int64_t size)

Function Documentation

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(), detect_unknown_subobject(), parse_chunks(), parse_legacy_attrib(), parse_media_type(), parse_waveformatex(), and process_metadata().

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

Definition at line 44 of file riffdec.c.

Referenced by parse_media_type(), and parse_waveformatex().

static void parse_waveformatex ( AVIOContext *  pb, AVCodecParameters *  par  )

static

Definition at line 61 of file riffdec.c.

Referenced by ff_get_wav_header().

int ff_get_wav_header	(	AVFormatContext *	s,
		AVIOContext *	pb,
		AVCodecParameters *	par,
		int	size,
		int	big_endian
	)

Definition at line 91 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().

enum AVCodecID ff_wav_codec_get_id	(	unsigned int	tag,
		int	bps
	)

Definition at line 194 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_bmp_header	(	AVIOContext *	pb,
		AVStream *	st,
		uint32_t *	size
	)

Read BITMAPINFOHEADER structure and set AVStream codec width, height and bits_per_encoded_sample fields.

Does not read extradata. Writes the size of the BMP file to *size.

Returns

codec tag

Definition at line 211 of file riffdec.c.

Referenced by avi_read_header(), parse_video_info(), and parse_videoinfoheader2().

int ff_read_riff_info	(	AVFormatContext *	s,
		int64_t	size
	)

Definition at line 230 of file riffdec.c.

Referenced by avi_load_index(), and avi_read_header().