#include <inttypes.h>
#include "libavutil/avassert.h"
#include "libavutil/avstring.h"
#include "libavutil/bswap.h"
#include "libavutil/opt.h"
#include "libavutil/dict.h"
#include "libavutil/internal.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/mathematics.h"
#include "avformat.h"
#include "avi.h"
#include "dv.h"
#include "internal.h"
#include "riff.h"
#include "libavcodec/bytestream.h"
#include "libavcodec/exif.h"
#include "libavformat/isom.h"

Data Structures
struct	AVIStream
struct	AVIContext

Macros
#define	MAX_ODML_DEPTH 1000
#define	print_tag(str, tag, size)

Functions
static int	avi_load_index (AVFormatContext *s)
static int	guess_ni_flag (AVFormatContext *s)
static int	get_duration (AVIStream *ast, int len)
static int	get_riff (AVFormatContext s, AVIOContext pb)
static int	read_braindead_odml_indx (AVFormatContext *s, int frame_num)
static void	clean_index (AVFormatContext *s)
static int	avi_read_tag (AVFormatContext s, AVStream st, uint32_t tag, uint32_t size)
static void	avi_metadata_creation_time (AVDictionary *metadata, char date)
static void	avi_read_nikon (AVFormatContext *s, uint64_t end)
static int	avi_extract_stream_metadata (AVStream *st)
static int	calculate_bitrate (AVFormatContext *s)
static int	avi_read_header (AVFormatContext *s)
static int	read_gab2_sub (AVFormatContext s, AVStream st, AVPacket *pkt)
static AVStream *	get_subtitle_pkt (AVFormatContext s, AVStream next_st, AVPacket *pkt)
static int	get_stream_idx (const unsigned *d)
static int	avi_sync (AVFormatContext *s, int exit_early)
static int	avi_read_packet (AVFormatContext s, AVPacket pkt)
static int	avi_read_idx1 (AVFormatContext *s, int size)
static int	check_stream_max_drift (AVFormatContext *s)
static void	seek_subtitle (AVStream st, AVStream st2, int64_t timestamp)
static int	avi_read_seek (AVFormatContext *s, int stream_index, int64_t timestamp, int flags)
static int	avi_read_close (AVFormatContext *s)
static int	avi_probe (AVProbeData *p)

Variables
static const AVOption	options []
static const AVClass	demuxer_class
static const char	avi_headers [][8]
static const AVMetadataConv	avi_metadata_conv []
static const char	months [12][4]
AVInputFormat	ff_avi_demuxer

Macro Definition Documentation

#define MAX_ODML_DEPTH 1000

Definition at line 83 of file avidec.c.

Referenced by read_braindead_odml_indx().

#define print_tag	(	str,
		tag,
		size
	)

Value:

av_dlog(NULL, "pos:%"PRIX64" %s: tag=%c%c%c%c size=0x%x\n", \
            avio_tell(pb), str, tag & 0xff,              \
            (tag >> 8) & 0xff,                           \
            (tag >> 16) & 0xff,                          \
            (tag >> 24) & 0xff,                          \
            size)

Definition at line 119 of file avidec.c.

Referenced by avi_read_header().

Function Documentation

static int avi_load_index ( AVFormatContext * s )

static

Definition at line 1699 of file avidec.c.

Referenced by avi_read_header(), and avi_read_seek().

static int guess_ni_flag ( AVFormatContext * s )

static

Definition at line 1663 of file avidec.c.

Referenced by avi_read_header().

static int get_duration	(	AVIStream *	ast,
		int	len
	)

inlinestatic

Definition at line 127 of file avidec.c.

Referenced by avi_read_idx1(), avi_sync(), and read_braindead_odml_indx().

static int get_riff	(	AVFormatContext *	s,
		AVIOContext *	pb
	)

static

Definition at line 137 of file avidec.c.

Referenced by avi_read_header().

static int read_braindead_odml_indx	(	AVFormatContext *	s,
		int	frame_num
	)

static

Definition at line 162 of file avidec.c.

Referenced by avi_read_header().

static void clean_index ( AVFormatContext * s )

static

Definition at line 270 of file avidec.c.

Referenced by avi_read_header().

static int avi_read_tag	(	AVFormatContext *	s,
		AVStream *	st,
		uint32_t	tag,
		uint32_t	size
	)

static

Definition at line 298 of file avidec.c.

Referenced by avi_read_header().

static void avi_metadata_creation_time	(	AVDictionary **	metadata,
		char *	date
	)

static

Definition at line 325 of file avidec.c.

Referenced by avi_read_header().

static void avi_read_nikon	(	AVFormatContext *	s,
		uint64_t	end
	)

static

Definition at line 344 of file avidec.c.

Referenced by avi_read_header().

static int avi_extract_stream_metadata ( AVStream * st )

static

Definition at line 387 of file avidec.c.

Referenced by avi_read_header().

static int calculate_bitrate ( AVFormatContext * s )

static

Definition at line 425 of file avidec.c.

Referenced by avi_read_header().

static int avi_read_header ( AVFormatContext * s )

static

Definition at line 469 of file avidec.c.

static int read_gab2_sub	(	AVFormatContext *	s,
		AVStream *	st,
		AVPacket *	pkt
	)

static

Definition at line 1035 of file avidec.c.

static AVStream* get_subtitle_pkt	(	AVFormatContext *	s,
		AVStream *	next_st,
		AVPacket *	pkt
	)

static

Definition at line 1100 of file avidec.c.

static int get_stream_idx ( const unsigned * d )

static

Definition at line 1134 of file avidec.c.

Referenced by avi_sync().

static int avi_sync	(	AVFormatContext *	s,
		int	exit_early
	)

static

Parameters

exit_early set to 1 to just gather packet position without making the changes needed to actually read & return the packet

Definition at line 1148 of file avidec.c.

Referenced by avi_read_idx1().

static int avi_read_packet	(	AVFormatContext *	s,
		AVPacket *	pkt
	)

static

Definition at line 1296 of file avidec.c.

static int avi_read_idx1	(	AVFormatContext *	s,
		int	size
	)

static

Definition at line 1526 of file avidec.c.

Referenced by avi_load_index().

static int check_stream_max_drift ( AVFormatContext * s )

static

Definition at line 1608 of file avidec.c.

Referenced by guess_ni_flag().

static void seek_subtitle	(	AVStream *	st,
		AVStream *	st2,
		int64_t	timestamp
	)

static

Definition at line 1746 of file avidec.c.

Referenced by avi_read_seek().

static int avi_read_seek	(	AVFormatContext *	s,
		int	stream_index,
		int64_t	timestamp,
		int	flags
	)

static

Definition at line 1756 of file avidec.c.

static int avi_read_close ( AVFormatContext * s )

static

Definition at line 1874 of file avidec.c.

static int avi_probe ( AVProbeData * p )

static

Definition at line 1897 of file avidec.c.

Variable Documentation

const AVOption options[]

static

Initial value:

 {
    { "use_odml", "use odml index", 0x42, AV_OPT_TYPE_INT, {.i64 = 1}, -1, 1, AV_OPT_FLAG_DECODING_PARAM},
    { NULL },
}

Definition at line 88 of file avidec.c.

const AVClass demuxer_class

static

Initial value:

 {
    .class_name = "avi",
    .item_name  = av_default_item_name,
    .option     = options,
    .version    = LIBAVUTIL_VERSION_INT,
    .category   = AV_CLASS_CATEGORY_DEMUXER,
}

Definition at line 93 of file avidec.c.

const char avi_headers[][8]

static

Initial value:

 {
    { 'R', 'I', 'F', 'F', 'A', 'V', 'I', ' '  },
    { 'R', 'I', 'F', 'F', 'A', 'V', 'I', 'X'  },
    { 'R', 'I', 'F', 'F', 'A', 'V', 'I', 0x19 },
    { 'O', 'N', '2', ' ', 'O', 'N', '2', 'f'  },
    { 'R', 'I', 'F', 'F', 'A', 'M', 'V', ' '  },
    { 0 }
}

Definition at line 102 of file avidec.c.

Referenced by avi_probe(), and get_riff().

const AVMetadataConv avi_metadata_conv[]

static

Initial value:

 {
    { "strn", "title" },
    { 0 },
}

Definition at line 111 of file avidec.c.

const char months[12][4]

static

Initial value:

{ "Jan", "Feb", "Mar", "Apr", "May", "Jun",

"Jul", "Aug", "Sep", "Oct", "Nov", "Dec" }

Definition at line 322 of file avidec.c.

Referenced by avi_metadata_creation_time().

AVInputFormat ff_avi_demuxer

Initial value:

 {
    .name           = "avi",
    .long_name      = NULL_IF_CONFIG_SMALL("AVI (Audio Video Interleaved)"),
    .priv_data_size = sizeof(AVIContext),
    .extensions     = "avi",
    .read_probe     = avi_probe,
    .read_header    = avi_read_header,
    .read_packet    = avi_read_packet,
    .read_close     = avi_read_close,
    .read_seek      = avi_read_seek,
    .priv_class = &demuxer_class,
}

Definition at line 1910 of file avidec.c.

Data Structures

Macros

Functions

Variables

Macro Definition Documentation

Function Documentation

Variable Documentation