IFF file demuxer by Jaikrishnan Menon for more information on the .iff file format, visit: http://wiki.multimedia.cx/index.php?title=IFF. More...

#include <inttypes.h>
#include "libavutil/avassert.h"
#include "libavutil/channel_layout.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/dict.h"
#include "libavutil/mem.h"
#include "libavcodec/bytestream.h"
#include "avformat.h"
#include "avio_internal.h"
#include "demux.h"
#include "id3v2.h"
#include "internal.h"

Data Structures
struct	IffDemuxContext

struct	DSDLayoutDesc

Macros
#define	ID_8SVX MKTAG('8','S','V','X')

#define	ID_16SV MKTAG('1','6','S','V')

#define	ID_MAUD MKTAG('M','A','U','D')

#define	ID_MHDR MKTAG('M','H','D','R')

#define	ID_MDAT MKTAG('M','D','A','T')

#define	ID_VHDR MKTAG('V','H','D','R')

#define	ID_ATAK MKTAG('A','T','A','K')

#define	ID_RLSE MKTAG('R','L','S','E')

#define	ID_CHAN MKTAG('C','H','A','N')

#define	ID_PBM MKTAG('P','B','M',' ')

#define	ID_ILBM MKTAG('I','L','B','M')

#define	ID_BMHD MKTAG('B','M','H','D')

#define	ID_DGBL MKTAG('D','G','B','L')

#define	ID_CAMG MKTAG('C','A','M','G')

#define	ID_CMAP MKTAG('C','M','A','P')

#define	ID_ACBM MKTAG('A','C','B','M')

#define	ID_DEEP MKTAG('D','E','E','P')

#define	ID_RGB8 MKTAG('R','G','B','8')

#define	ID_RGBN MKTAG('R','G','B','N')

#define	ID_DSD MKTAG('D','S','D',' ')

#define	ID_DST MKTAG('D','S','T',' ')

#define	ID_DSTC MKTAG('D','S','T','C')

#define	ID_DSTF MKTAG('D','S','T','F')

#define	ID_FRTE MKTAG('F','R','T','E')

#define	ID_ANIM MKTAG('A','N','I','M')

#define	ID_ANHD MKTAG('A','N','H','D')

#define	ID_DLTA MKTAG('D','L','T','A')

#define	ID_DPAN MKTAG('D','P','A','N')

#define	ID_FORM MKTAG('F','O','R','M')

#define	ID_FRM8 MKTAG('F','R','M','8')

#define	ID_ANNO MKTAG('A','N','N','O')

#define	ID_AUTH MKTAG('A','U','T','H')

#define	ID_CHRS MKTAG('C','H','R','S')

#define	ID_COPYRIGHT MKTAG('(','c',')',' ')

#define	ID_CSET MKTAG('C','S','E','T')

#define	ID_FVER MKTAG('F','V','E','R')

#define	ID_NAME MKTAG('N','A','M','E')

#define	ID_TEXT MKTAG('T','E','X','T')

#define	ID_ABIT MKTAG('A','B','I','T')

#define	ID_BODY MKTAG('B','O','D','Y')

#define	ID_DBOD MKTAG('D','B','O','D')

#define	ID_DPEL MKTAG('D','P','E','L')

#define	ID_DLOC MKTAG('D','L','O','C')

#define	ID_TVDC MKTAG('T','V','D','C')

#define	LEFT 2

#define	RIGHT 4

#define	STEREO 6

#define	IFF_EXTRA_VIDEO_SIZE 41
	This number of bytes if added at the beginning of each AVPacket which contain additional information about video properties which has to be shared between demuxer and decoder.

#define	DSD_SLFT MKTAG('S','L','F','T')

#define	DSD_SRGT MKTAG('S','R','G','T')

#define	DSD_MLFT MKTAG('M','L','F','T')

#define	DSD_MRGT MKTAG('M','R','G','T')

#define	DSD_C MKTAG('C',' ',' ',' ')

#define	DSD_LS MKTAG('L','S',' ',' ')

#define	DSD_RS MKTAG('R','S',' ',' ')

#define	DSD_LFE MKTAG('L','F','E',' ')

Enumerations
enum	svx8_compression_type { COMP_NONE , COMP_FIB , COMP_EXP }

Functions
static int	get_metadata (AVFormatContext s, const char const tag, const unsigned data_size)

static int	iff_probe (const AVProbeData *p)

static int	parse_dsd_diin (AVFormatContext s, AVStream st, uint64_t eof)

static int	parse_dsd_prop (AVFormatContext s, AVStream st, uint64_t eof)

static int	read_dst_frame (AVFormatContext s, AVPacket pkt)

static AVStream *	new_stream (AVFormatContext s, AVStream st_ptr, int index_ptr, enum AVMediaType codec_type)

static int	iff_read_header (AVFormatContext *s)

static unsigned	get_anim_duration (uint8_t *buf, int size)

static int64_t	get_sbdy_offset (uint8_t *buf, int size)

static int	iff_read_packet (AVFormatContext s, AVPacket pkt)

Variables
static const AVCodecTag	dsd_codec_tags []

static const uint32_t	dsd_stereo [] = { DSD_SLFT, DSD_SRGT }

static const uint32_t	dsd_5point0 [] = { DSD_MLFT, DSD_MRGT, DSD_C, DSD_LS, DSD_RS }

static const uint32_t	dsd_5point1 [] = { DSD_MLFT, DSD_MRGT, DSD_C, DSD_LFE, DSD_LS, DSD_RS }

static const DSDLayoutDesc	dsd_channel_layout []

static const AVChannelLayout	dsd_loudspeaker_config []

static const char *	dsd_source_comment []

static const char *	dsd_history_comment []

static const uint8_t	deep_rgb24 [] = {0, 0, 0, 3, 0, 1, 0, 8, 0, 2, 0, 8, 0, 3, 0, 8}

static const uint8_t	deep_rgba [] = {0, 0, 0, 4, 0, 1, 0, 8, 0, 2, 0, 8, 0, 3, 0, 8}

static const uint8_t	deep_bgra [] = {0, 0, 0, 4, 0, 3, 0, 8, 0, 2, 0, 8, 0, 1, 0, 8}

static const uint8_t	deep_argb [] = {0, 0, 0, 4, 0,17, 0, 8, 0, 1, 0, 8, 0, 2, 0, 8}

static const uint8_t	deep_abgr [] = {0, 0, 0, 4, 0,17, 0, 8, 0, 3, 0, 8, 0, 2, 0, 8}

const FFInputFormat	ff_iff_demuxer

Detailed Description

IFF file demuxer by Jaikrishnan Menon for more information on the .iff file format, visit: http://wiki.multimedia.cx/index.php?title=IFF.

Definition in file iff.c.

Macro Definition Documentation

◆ ID_8SVX

#define ID_8SVX MKTAG('8','S','V','X')

Definition at line 45 of file iff.c.

Referenced by iff_probe().

◆ ID_16SV

#define ID_16SV MKTAG('1','6','S','V')

Definition at line 46 of file iff.c.

Referenced by iff_probe(), and iff_read_header().

◆ ID_MAUD

#define ID_MAUD MKTAG('M','A','U','D')

Definition at line 47 of file iff.c.

Referenced by iff_probe(), iff_read_header(), and iff_read_packet().

◆ ID_MHDR

#define ID_MHDR MKTAG('M','H','D','R')

Definition at line 48 of file iff.c.

Data Structures

Macros

Enumerations

Functions

Variables

Detailed Description

Macro Definition Documentation

◆ ID_8SVX

◆ ID_16SV

◆ ID_MAUD

◆ ID_MHDR

◆ ID_MDAT

◆ ID_VHDR

◆ ID_ATAK

◆ ID_RLSE

◆ ID_CHAN

◆ ID_PBM

◆ ID_ILBM

◆ ID_BMHD

◆ ID_DGBL

◆ ID_CAMG

◆ ID_CMAP

◆ ID_ACBM

◆ ID_DEEP

◆ ID_RGB8

◆ ID_RGBN

◆ ID_DSD

◆ ID_DST

◆ ID_DSTC

◆ ID_DSTF

◆ ID_FRTE

◆ ID_ANIM

◆ ID_ANHD

◆ ID_DLTA

◆ ID_DPAN

◆ ID_FORM

◆ ID_FRM8

◆ ID_ANNO

◆ ID_AUTH

◆ ID_CHRS

◆ ID_COPYRIGHT

◆ ID_CSET

◆ ID_FVER

◆ ID_NAME

◆ ID_TEXT

◆ ID_ABIT

◆ ID_BODY

◆ ID_DBOD

◆ ID_DPEL

◆ ID_DLOC

◆ ID_TVDC

◆ LEFT

◆ RIGHT

◆ STEREO

◆ IFF_EXTRA_VIDEO_SIZE

◆ DSD_SLFT

◆ DSD_SRGT

◆ DSD_MLFT

◆ DSD_MRGT

◆ DSD_C

◆ DSD_LS

◆ DSD_RS

◆ DSD_LFE

Enumeration Type Documentation

◆ svx8_compression_type

Function Documentation

◆ get_metadata()

◆ iff_probe()

◆ parse_dsd_diin()

◆ parse_dsd_prop()

◆ read_dst_frame()

◆ new_stream()

◆ iff_read_header()

◆ get_anim_duration()

◆ get_sbdy_offset()

◆ iff_read_packet()

Variable Documentation

◆ dsd_codec_tags

◆ dsd_stereo

◆ dsd_5point0