libavformat/avidec.c File Reference

#include <strings.h>
#include "libavutil/intreadwrite.h"
#include "libavutil/bswap.h"
#include "libavutil/dict.h"
#include "avformat.h"
#include "avi.h"
#include "dv.h"
#include "riff.h"
#include <assert.h>

Go to the source code of this file.

Data Structures
struct	AVIStream
struct	AVIContext
Defines
#define	MAX_ODML_DEPTH   1000
#define	print_tag(str, tag, size)
Typedefs
typedef struct AVIStream	AVIStream
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_read_info (AVFormatContext *s, uint64_t end)
static void	avi_metadata_creation_time (AVDictionary **metadata, char *date)
static void	avi_read_nikon (AVFormatContext *s, uint64_t end)
static int	avi_read_header (AVFormatContext *s, AVFormatParameters *ap)
static int	read_gab2_sub (AVStream *st, AVPacket *pkt)
static AVStream *	get_subtitle_pkt (AVFormatContext *s, AVStream *next_st, AVPacket *pkt)
static int	get_stream_idx (int *d)
static int	avi_read_packet (AVFormatContext *s, AVPacket *pkt)
static int	avi_read_idx1 (AVFormatContext *s, int size)
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 char	avi_headers [][8]
static const char	months [12][4]
AVInputFormat	ff_avi_demuxer

---

Define Documentation

#define MAX_ODML_DEPTH   1000

Definition at line 69 of file avidec.c.

Referenced by read_braindead_odml_indx().

#define print_tag	(		str,
			tag,
			size
	)

Value:

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

Definition at line 84 of file avidec.c.

Referenced by avi_read_header().

---

Typedef Documentation

typedef struct AVIStream AVIStream

---

Function Documentation

static int avi_load_index

(

AVFormatContext *

s

)

[static]

Definition at line 1194 of file avidec.c.

Referenced by avi_read_header(), and avi_read_seek().

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

Definition at line 275 of file avidec.c.

Referenced by avi_read_header().

static int avi_probe

(

AVProbeData *

p

)

[static]

Definition at line 1353 of file avidec.c.

static int avi_read_close

(

AVFormatContext *

s

)

[static]

Definition at line 1330 of file avidec.c.

static int avi_read_header	(	AVFormatContext *	s,
		AVFormatParameters *	ap
	)		[static]

Definition at line 330 of file avidec.c.

static int avi_read_idx1	(	AVFormatContext *	s,
		int	size
	)		[static]

Definition at line 1115 of file avidec.c.

Referenced by avi_load_index().

static void avi_read_info	(	AVFormatContext *	s,
		uint64_t	end
	)		[static]

Definition at line 263 of file avidec.c.

Referenced by avi_read_header().

static void avi_read_nikon	(	AVFormatContext *	s,
		uint64_t	end
	)		[static]

Definition at line 294 of file avidec.c.

Referenced by avi_read_header().

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

Definition at line 839 of file avidec.c.

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

Definition at line 1246 of file avidec.c.

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

Definition at line 242 of file avidec.c.

Referenced by avi_read_header(), and avi_read_info().

static void clean_index

(

AVFormatContext *

s

)

[static]

Definition at line 216 of file avidec.c.

Referenced by avi_read_header().

static int get_duration	(	AVIStream *	ast,
		int	len
	)		[inline, static]

Definition at line 92 of file avidec.c.

Referenced by avi_read_idx1(), and read_braindead_odml_indx().

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

Definition at line 101 of file avidec.c.

Referenced by avi_read_header().

static int get_stream_idx

(

int *

d

)

[static]

Definition at line 830 of file avidec.c.

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

Definition at line 797 of file avidec.c.

static int guess_ni_flag

(

AVFormatContext *

s

)

[static]

Definition at line 1163 of file avidec.c.

Referenced by avi_read_header().

static int read_braindead_odml_indx	(	AVFormatContext *	s,
		int	frame_num
	)		[static]

Definition at line 125 of file avidec.c.

Referenced by avi_read_header().

static int read_gab2_sub	(	AVStream *	st,
		AVPacket *	pkt
	)		[static]

Definition at line 749 of file avidec.c.

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

Definition at line 1236 of file avidec.c.

Referenced by avi_read_seek().

---

Variable Documentation

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 72 of file avidec.c.

Referenced by avi_probe(), and get_riff().

AVInputFormat ff_avi_demuxer

Initial value:

 {
    "avi",
    NULL_IF_CONFIG_SMALL("AVI format"),
    sizeof(AVIContext),
    avi_probe,
    avi_read_header,
    avi_read_packet,
    avi_read_close,
    avi_read_seek,
}

Definition at line 1366 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 272 of file avidec.c.

Referenced by avi_metadata_creation_time().