libavformat/mov.c File Reference

#include <limits.h>
#include "libavutil/intreadwrite.h"
#include "libavutil/avstring.h"
#include "avformat.h"
#include "avio_internal.h"
#include "riff.h"
#include "isom.h"
#include "libavcodec/get_bits.h"
#include "qtpalette.h"
#include <assert.h>

Go to the source code of this file.

Data Structures

struct  MOVParseTableEntry

Functions

static int mov_metadata_trkn (MOVContext *c, AVIOContext *pb, unsigned len)
static int mov_read_mac_string (MOVContext *c, AVIOContext *pb, int len, char *dst, int dstlen)
static int mov_read_udta_string (MOVContext *c, AVIOContext *pb, MOVAtom atom)
static int mov_read_chpl (MOVContext *c, AVIOContext *pb, MOVAtom atom)
static int mov_read_default (MOVContext *c, AVIOContext *pb, MOVAtom atom)
static int mov_read_dref (MOVContext *c, AVIOContext *pb, MOVAtom atom)
static int mov_read_hdlr (MOVContext *c, AVIOContext *pb, MOVAtom atom)
int ff_mov_read_esds (AVFormatContext *fc, AVIOContext *pb, MOVAtom atom)
static int mov_read_esds (MOVContext *c, AVIOContext *pb, MOVAtom atom)
static int mov_read_dac3 (MOVContext *c, AVIOContext *pb, MOVAtom atom)
static int mov_read_pasp (MOVContext *c, AVIOContext *pb, MOVAtom atom)
static int mov_read_mdat (MOVContext *c, AVIOContext *pb, MOVAtom atom)
static int mov_read_ftyp (MOVContext *c, AVIOContext *pb, MOVAtom atom)
static int mov_read_moov (MOVContext *c, AVIOContext *pb, MOVAtom atom)
static int mov_read_moof (MOVContext *c, AVIOContext *pb, MOVAtom atom)
static void mov_metadata_creation_time (AVMetadata **metadata, time_t time)
static int mov_read_mdhd (MOVContext *c, AVIOContext *pb, MOVAtom atom)
static int mov_read_mvhd (MOVContext *c, AVIOContext *pb, MOVAtom atom)
static int mov_read_smi (MOVContext *c, AVIOContext *pb, MOVAtom atom)
static int mov_read_enda (MOVContext *c, AVIOContext *pb, MOVAtom atom)
static int mov_read_extradata (MOVContext *c, AVIOContext *pb, MOVAtom atom)
static int mov_read_wave (MOVContext *c, AVIOContext *pb, MOVAtom atom)
static int mov_read_glbl (MOVContext *c, AVIOContext *pb, MOVAtom atom)
 This function reads atom content and puts data in extradata without tag nor size unlike mov_read_extradata.
static int mov_read_strf (MOVContext *c, AVIOContext *pb, MOVAtom atom)
 An strf atom is a BITMAPINFOHEADER struct.
static int mov_read_stco (MOVContext *c, AVIOContext *pb, MOVAtom atom)
enum CodecID ff_mov_get_lpcm_codec_id (int bps, int flags)
 Compute codec id for 'lpcm' tag.
int ff_mov_read_stsd_entries (MOVContext *c, AVIOContext *pb, int entries)
static int mov_read_stsd (MOVContext *c, AVIOContext *pb, MOVAtom atom)
static int mov_read_stsc (MOVContext *c, AVIOContext *pb, MOVAtom atom)
static int mov_read_stps (MOVContext *c, AVIOContext *pb, MOVAtom atom)
static int mov_read_stss (MOVContext *c, AVIOContext *pb, MOVAtom atom)
static int mov_read_stsz (MOVContext *c, AVIOContext *pb, MOVAtom atom)
static int mov_read_stts (MOVContext *c, AVIOContext *pb, MOVAtom atom)
static int mov_read_ctts (MOVContext *c, AVIOContext *pb, MOVAtom atom)
static void mov_build_index (MOVContext *mov, AVStream *st)
static int mov_open_dref (AVIOContext **pb, char *src, MOVDref *ref)
static int mov_read_trak (MOVContext *c, AVIOContext *pb, MOVAtom atom)
static int mov_read_ilst (MOVContext *c, AVIOContext *pb, MOVAtom atom)
static int mov_read_meta (MOVContext *c, AVIOContext *pb, MOVAtom atom)
static int mov_read_tkhd (MOVContext *c, AVIOContext *pb, MOVAtom atom)
static int mov_read_tfhd (MOVContext *c, AVIOContext *pb, MOVAtom atom)
static int mov_read_chap (MOVContext *c, AVIOContext *pb, MOVAtom atom)
static int mov_read_trex (MOVContext *c, AVIOContext *pb, MOVAtom atom)
static int mov_read_trun (MOVContext *c, AVIOContext *pb, MOVAtom atom)
static int mov_read_wide (MOVContext *c, AVIOContext *pb, MOVAtom atom)
static int mov_read_cmov (MOVContext *c, AVIOContext *pb, MOVAtom atom)
static int mov_read_elst (MOVContext *c, AVIOContext *pb, MOVAtom atom)
static int mov_probe (AVProbeData *p)
static void mov_read_chapters (AVFormatContext *s)
static int mov_read_header (AVFormatContext *s, AVFormatParameters *ap)
static AVIndexEntrymov_find_next_sample (AVFormatContext *s, AVStream **st)
static int mov_read_packet (AVFormatContext *s, AVPacket *pkt)
static int mov_seek_stream (AVFormatContext *s, AVStream *st, int64_t timestamp, int flags)
static int mov_read_seek (AVFormatContext *s, int stream_index, int64_t sample_time, int flags)
static int mov_read_close (AVFormatContext *s)

Variables

static const MOVParseTableEntry mov_default_parse_table []
static const uint32_t mac_to_unicode [128]
AVInputFormat ff_mov_demuxer


Function Documentation

enum CodecID ff_mov_get_lpcm_codec_id ( int  bps,
int  flags 
)

Compute codec id for 'lpcm' tag.

See CoreAudioTypes and AudioStreamBasicDescription at Apple.

Definition at line 881 of file mov.c.

Referenced by ff_mov_read_stsd_entries(), and read_desc_chunk().

int ff_mov_read_esds ( AVFormatContext fc,
AVIOContext pb,
MOVAtom  atom 
)

Definition at line 464 of file mov.c.

Referenced by mov_read_esds(), and read_kuki_chunk().

int ff_mov_read_stsd_entries ( MOVContext c,
AVIOContext pb,
int  entries 
)

Definition at line 912 of file mov.c.

Referenced by mov_read_stsd(), and qt_rtp_parse_packet().

static void mov_build_index ( MOVContext mov,
AVStream st 
) [static]

Definition at line 1507 of file mov.c.

Referenced by mov_read_trak().

static AVIndexEntry* mov_find_next_sample ( AVFormatContext s,
AVStream **  st 
) [static]

Definition at line 2375 of file mov.c.

Referenced by mov_read_packet().

static void mov_metadata_creation_time ( AVMetadata **  metadata,
time_t  time 
) [static]

Definition at line 591 of file mov.c.

Referenced by mov_read_mdhd(), and mov_read_mvhd().

static int mov_metadata_trkn ( MOVContext c,
AVIOContext pb,
unsigned  len 
) [static]

Definition at line 82 of file mov.c.

Referenced by mov_read_udta_string().

static int mov_open_dref ( AVIOContext **  pb,
char *  src,
MOVDref ref 
) [static]

Definition at line 1686 of file mov.c.

Referenced by mov_read_trak().

static int mov_probe ( AVProbeData p  )  [static]

Definition at line 2236 of file mov.c.

static int mov_read_chap ( MOVContext c,
AVIOContext pb,
MOVAtom  atom 
) [static]

Definition at line 1969 of file mov.c.

static void mov_read_chapters ( AVFormatContext s  )  [static]

Definition at line 2282 of file mov.c.

Referenced by mov_read_header().

static int mov_read_chpl ( MOVContext c,
AVIOContext pb,
MOVAtom  atom 
) [static]

Definition at line 222 of file mov.c.

static int mov_read_close ( AVFormatContext s  )  [static]

Definition at line 2533 of file mov.c.

static int mov_read_cmov ( MOVContext c,
AVIOContext pb,
MOVAtom  atom 
) [static]

Definition at line 2094 of file mov.c.

static int mov_read_ctts ( MOVContext c,
AVIOContext pb,
MOVAtom  atom 
) [static]

Definition at line 1468 of file mov.c.

static int mov_read_dac3 ( MOVContext c,
AVIOContext pb,
MOVAtom  atom 
) [static]

Definition at line 492 of file mov.c.

static int mov_read_default ( MOVContext c,
AVIOContext pb,
MOVAtom  atom 
) [static]

static int mov_read_dref ( MOVContext c,
AVIOContext pb,
MOVAtom  atom 
) [static]

Definition at line 323 of file mov.c.

static int mov_read_elst ( MOVContext c,
AVIOContext pb,
MOVAtom  atom 
) [static]

Definition at line 2146 of file mov.c.

static int mov_read_enda ( MOVContext c,
AVIOContext pb,
MOVAtom  atom 
) [static]

Definition at line 705 of file mov.c.

static int mov_read_esds ( MOVContext c,
AVIOContext pb,
MOVAtom  atom 
) [static]

Definition at line 487 of file mov.c.

static int mov_read_extradata ( MOVContext c,
AVIOContext pb,
MOVAtom  atom 
) [static]

Definition at line 738 of file mov.c.

static int mov_read_ftyp ( MOVContext c,
AVIOContext pb,
MOVAtom  atom 
) [static]

Definition at line 542 of file mov.c.

static int mov_read_glbl ( MOVContext c,
AVIOContext pb,
MOVAtom  atom 
) [static]

This function reads atom content and puts data in extradata without tag nor size unlike mov_read_extradata.

Definition at line 793 of file mov.c.

Referenced by ff_mov_read_stsd_entries().

static int mov_read_hdlr ( MOVContext c,
AVIOContext pb,
MOVAtom  atom 
) [static]

Definition at line 427 of file mov.c.

static int mov_read_header ( AVFormatContext s,
AVFormatParameters ap 
) [static]

Definition at line 2344 of file mov.c.

static int mov_read_ilst ( MOVContext c,
AVIOContext pb,
MOVAtom  atom 
) [static]

Definition at line 1828 of file mov.c.

static int mov_read_mac_string ( MOVContext c,
AVIOContext pb,
int  len,
char *  dst,
int  dstlen 
) [static]

Definition at line 114 of file mov.c.

Referenced by ff_mov_read_stsd_entries(), and mov_read_udta_string().

static int mov_read_mdat ( MOVContext c,
AVIOContext pb,
MOVAtom  atom 
) [static]

Definition at line 533 of file mov.c.

Referenced by mov_read_wide().

static int mov_read_mdhd ( MOVContext c,
AVIOContext pb,
MOVAtom  atom 
) [static]

Definition at line 604 of file mov.c.

static int mov_read_meta ( MOVContext c,
AVIOContext pb,
MOVAtom  atom 
) [static]

Definition at line 1837 of file mov.c.

static int mov_read_moof ( MOVContext c,
AVIOContext pb,
MOVAtom  atom 
) [static]

Definition at line 584 of file mov.c.

static int mov_read_moov ( MOVContext c,
AVIOContext pb,
MOVAtom  atom 
) [static]

Definition at line 574 of file mov.c.

static int mov_read_mvhd ( MOVContext c,
AVIOContext pb,
MOVAtom  atom 
) [static]

Definition at line 643 of file mov.c.

static int mov_read_packet ( AVFormatContext s,
AVPacket pkt 
) [static]

Definition at line 2401 of file mov.c.

static int mov_read_pasp ( MOVContext c,
AVIOContext pb,
MOVAtom  atom 
) [static]

Definition at line 509 of file mov.c.

static int mov_read_seek ( AVFormatContext s,
int  stream_index,
int64_t  sample_time,
int  flags 
) [static]

Definition at line 2502 of file mov.c.

static int mov_read_smi ( MOVContext c,
AVIOContext pb,
MOVAtom  atom 
) [static]

Definition at line 681 of file mov.c.

static int mov_read_stco ( MOVContext c,
AVIOContext pb,
MOVAtom  atom 
) [static]

Definition at line 841 of file mov.c.

static int mov_read_stps ( MOVContext c,
AVIOContext pb,
MOVAtom  atom 
) [static]

Definition at line 1292 of file mov.c.

static int mov_read_strf ( MOVContext c,
AVIOContext pb,
MOVAtom  atom 
) [static]

An strf atom is a BITMAPINFOHEADER struct.

This struct is 40 bytes itself, but can have extradata appended at the end after the 40 bytes belonging to the struct.

Definition at line 818 of file mov.c.

static int mov_read_stsc ( MOVContext c,
AVIOContext pb,
MOVAtom  atom 
) [static]

Definition at line 1259 of file mov.c.

static int mov_read_stsd ( MOVContext c,
AVIOContext pb,
MOVAtom  atom 
) [static]

Definition at line 1248 of file mov.c.

static int mov_read_stss ( MOVContext c,
AVIOContext pb,
MOVAtom  atom 
) [static]

Definition at line 1321 of file mov.c.

static int mov_read_stsz ( MOVContext c,
AVIOContext pb,
MOVAtom  atom 
) [static]

Definition at line 1353 of file mov.c.

static int mov_read_stts ( MOVContext c,
AVIOContext pb,
MOVAtom  atom 
) [static]

Definition at line 1421 of file mov.c.

static int mov_read_tfhd ( MOVContext c,
AVIOContext pb,
MOVAtom  atom 
) [static]

Definition at line 1934 of file mov.c.

static int mov_read_tkhd ( MOVContext c,
AVIOContext pb,
MOVAtom  atom 
) [static]

Definition at line 1851 of file mov.c.

static int mov_read_trak ( MOVContext c,
AVIOContext pb,
MOVAtom  atom 
) [static]

Definition at line 1729 of file mov.c.

static int mov_read_trex ( MOVContext c,
AVIOContext pb,
MOVAtom  atom 
) [static]

Definition at line 1975 of file mov.c.

static int mov_read_trun ( MOVContext c,
AVIOContext pb,
MOVAtom  atom 
) [static]

Definition at line 1996 of file mov.c.

static int mov_read_udta_string ( MOVContext c,
AVIOContext pb,
MOVAtom  atom 
) [static]

Definition at line 132 of file mov.c.

Referenced by mov_read_default().

static int mov_read_wave ( MOVContext c,
AVIOContext pb,
MOVAtom  atom 
) [static]

Definition at line 762 of file mov.c.

static int mov_read_wide ( MOVContext c,
AVIOContext pb,
MOVAtom  atom 
) [static]

Definition at line 2074 of file mov.c.

static int mov_seek_stream ( AVFormatContext s,
AVStream st,
int64_t  timestamp,
int  flags 
) [static]

Definition at line 2472 of file mov.c.

Referenced by mov_read_seek().


Variable Documentation

Initial value:

 {
    "mov,mp4,m4a,3gp,3g2,mj2",
    NULL_IF_CONFIG_SMALL("QuickTime/MPEG-4/Motion JPEG 2000 format"),
    sizeof(MOVContext),
    mov_probe,
    mov_read_header,
    mov_read_packet,
    mov_read_close,
    mov_read_seek,
}

Definition at line 2568 of file mov.c.

const uint32_t mac_to_unicode[128] [static]

Initial value:

 {
    0x00C4,0x00C5,0x00C7,0x00C9,0x00D1,0x00D6,0x00DC,0x00E1,
    0x00E0,0x00E2,0x00E4,0x00E3,0x00E5,0x00E7,0x00E9,0x00E8,
    0x00EA,0x00EB,0x00ED,0x00EC,0x00EE,0x00EF,0x00F1,0x00F3,
    0x00F2,0x00F4,0x00F6,0x00F5,0x00FA,0x00F9,0x00FB,0x00FC,
    0x2020,0x00B0,0x00A2,0x00A3,0x00A7,0x2022,0x00B6,0x00DF,
    0x00AE,0x00A9,0x2122,0x00B4,0x00A8,0x2260,0x00C6,0x00D8,
    0x221E,0x00B1,0x2264,0x2265,0x00A5,0x00B5,0x2202,0x2211,
    0x220F,0x03C0,0x222B,0x00AA,0x00BA,0x03A9,0x00E6,0x00F8,
    0x00BF,0x00A1,0x00AC,0x221A,0x0192,0x2248,0x2206,0x00AB,
    0x00BB,0x2026,0x00A0,0x00C0,0x00C3,0x00D5,0x0152,0x0153,
    0x2013,0x2014,0x201C,0x201D,0x2018,0x2019,0x00F7,0x25CA,
    0x00FF,0x0178,0x2044,0x20AC,0x2039,0x203A,0xFB01,0xFB02,
    0x2021,0x00B7,0x201A,0x201E,0x2030,0x00C2,0x00CA,0x00C1,
    0x00CB,0x00C8,0x00CD,0x00CE,0x00CF,0x00CC,0x00D3,0x00D4,
    0xF8FF,0x00D2,0x00DA,0x00DB,0x00D9,0x0131,0x02C6,0x02DC,
    0x00AF,0x02D8,0x02D9,0x02DA,0x00B8,0x02DD,0x02DB,0x02C7,
}

Definition at line 95 of file mov.c.

Referenced by mov_read_mac_string().

Definition at line 80 of file mov.c.


Generated on Mon May 2 19:50:27 2011 for FFmpeg by  doxygen 1.5.6