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
void	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, AVCodecContext *c)
int	ff_get_wav_header (AVIOContext *pb, AVCodecContext *codec, int size)
enum AVCodecID	ff_wav_codec_get_id (unsigned int tag, int bps)
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.
int	ff_read_riff_info (AVFormatContext *s, int64_t size)

Variables
const AVCodecGuid	ff_codec_wav_guids []

Function Documentation

void ff_get_guid	(	AVIOContext *	s,
		ff_asf_guid *	g
	)

Definition at line 40 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().

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

Definition at line 47 of file riffdec.c.

Referenced by parse_media_type(), and parse_waveformatex().

static void parse_waveformatex ( AVIOContext *  pb, AVCodecContext *  c  )

static

Definition at line 64 of file riffdec.c.

Referenced by ff_get_wav_header().

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

Definition at line 88 of file riffdec.c.

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().

enum AVCodecID ff_wav_codec_get_id	(	unsigned int	tag,
		int	bps
	)

Definition at line 148 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,
		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 165 of file riffdec.c.

Referenced by avi_read_header(), and parse_videoinfoheader2().

int ff_read_riff_info	(	AVFormatContext *	s,
		int64_t	size
	)

Definition at line 183 of file riffdec.c.

Referenced by avi_load_index(), and avi_read_header().

Variable Documentation

const AVCodecGuid ff_codec_wav_guids[]

Initial value:

= {
    { AV_CODEC_ID_AC3,      { 0x2C, 0x80, 0x6D, 0xE0, 0x46, 0xDB, 0xCF, 0x11, 0xB4, 0xD1, 0x00, 0x80, 0x5F, 0x6C, 0xBB, 0xEA } },
    { AV_CODEC_ID_ATRAC3P,  { 0xBF, 0xAA, 0x23, 0xE9, 0x58, 0xCB, 0x71, 0x44, 0xA1, 0x19, 0xFF, 0xFA, 0x01, 0xE4, 0xCE, 0x62 } },
    { AV_CODEC_ID_EAC3,     { 0xAF, 0x87, 0xFB, 0xA7, 0x02, 0x2D, 0xFB, 0x42, 0xA4, 0xD4, 0x05, 0xCD, 0x93, 0x84, 0x3B, 0xDD } },
    { AV_CODEC_ID_MP2,      { 0x2B, 0x80, 0x6D, 0xE0, 0x46, 0xDB, 0xCF, 0x11, 0xB4, 0xD1, 0x00, 0x80, 0x5F, 0x6C, 0xBB, 0xEA } },
    { AV_CODEC_ID_NONE }
}

Definition at line 32 of file riffdec.c.

Referenced by parse_media_type(), and write_stream_codec_info().