Data Structures | Macros | Typedefs | Functions | Variables
avidec.c File Reference
#include "libavutil/intreadwrite.h"
#include "libavutil/mathematics.h"
#include "libavutil/bswap.h"
#include "libavutil/dict.h"
#include "libavutil/avstring.h"
#include "avformat.h"
#include "internal.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

Macros

#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_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_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 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 71 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 91 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 1301 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 273 of file avidec.c.

Referenced by avi_read_header().

static int avi_probe ( AVProbeData *  p)
static

Definition at line 1460 of file avidec.c.

static int avi_read_close ( AVFormatContext *  s)
static

Definition at line 1437 of file avidec.c.

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

Definition at line 328 of file avidec.c.

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

Definition at line 1146 of file avidec.c.

Referenced by avi_load_index().

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

Definition at line 292 of file avidec.c.

Referenced by avi_read_header().

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

Definition at line 982 of file avidec.c.

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

Definition at line 1349 of file avidec.c.

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

Definition at line 249 of file avidec.c.

Referenced by avi_read_header().

static int avi_sync ( AVFormatContext *  s,
int  exit_early 
)
static

Definition at line 848 of file avidec.c.

Referenced by avi_read_idx1().

static int check_stream_max_drift ( AVFormatContext *  s)
static

Definition at line 1208 of file avidec.c.

Referenced by guess_ni_flag().

static void clean_index ( AVFormatContext *  s)
static

Definition at line 223 of file avidec.c.

Referenced by avi_read_header().

static int get_duration ( AVIStream *  ast,
int  len 
)
inlinestatic

Definition at line 99 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 108 of file avidec.c.

Referenced by avi_read_header().

static int get_stream_idx ( int *  d)
static

Definition at line 839 of file avidec.c.

Referenced by avi_sync().

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

Definition at line 806 of file avidec.c.

static int guess_ni_flag ( AVFormatContext *  s)
static

Definition at line 1266 of file avidec.c.

Referenced by avi_read_header().

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

Definition at line 132 of file avidec.c.

Referenced by avi_read_header().

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

Definition at line 756 of file avidec.c.

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

Definition at line 1339 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 74 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 83 of file avidec.c.

AVInputFormat ff_avi_demuxer
Initial value:
{
.name = "avi",
.long_name = NULL_IF_CONFIG_SMALL("AVI format"),
.priv_data_size = sizeof(AVIContext),
.read_probe = avi_probe,
.read_header = avi_read_header,
.read_packet = avi_read_packet,
.read_close = avi_read_close,
.read_seek = avi_read_seek,
}

Definition at line 1473 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 270 of file avidec.c.

Referenced by avi_metadata_creation_time().