libavformat/mov.c File Reference

#include <limits.h>
#include "libavutil/intreadwrite.h"
#include "libavutil/intfloat.h"
#include "libavutil/mathematics.h"
#include "libavutil/avstring.h"
#include "libavutil/dict.h"
#include "avformat.h"
#include "internal.h"
#include "avio_internal.h"
#include "riff.h"
#include "isom.h"
#include "libavcodec/get_bits.h"
#include "id3v1.h"
#include "mov_chan.h"
#include "qtpalette.h"
#include <assert.h>

Go to the source code of this file.

Data Structures

struct  MOVParseTableEntry

Typedefs

typedef struct MOVParseTableEntry MOVParseTableEntry

Functions

static int mov_metadata_track_or_disc_number (MOVContext *c, AVIOContext *pb, unsigned len, const char *key)
static int mov_metadata_int8_bypass_padding (MOVContext *c, AVIOContext *pb, unsigned len, const char *key)
static int mov_metadata_int8_no_padding (MOVContext *c, AVIOContext *pb, unsigned len, const char *key)
static int mov_metadata_gnre (MOVContext *c, AVIOContext *pb, unsigned len, const char *key)
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_chan (MOVContext *c, AVIOContext *pb, MOVAtom atom)
static int mov_read_wfex (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 (AVDictionary **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_fiel (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, AVIOInterruptCB *int_cb)
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

Typedef Documentation


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 1044 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 510 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 1075 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 1684 of file mov.c.

Referenced by mov_read_trak().

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

Definition at line 2582 of file mov.c.

Referenced by mov_read_packet().

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

Definition at line 707 of file mov.c.

Referenced by mov_read_mdhd(), and mov_read_mvhd().

static int mov_metadata_gnre ( MOVContext c,
AVIOContext pb,
unsigned  len,
const char *  key 
) [static]

Definition at line 111 of file mov.c.

static int mov_metadata_int8_bypass_padding ( MOVContext c,
AVIOContext pb,
unsigned  len,
const char *  key 
) [static]

Definition at line 84 of file mov.c.

static int mov_metadata_int8_no_padding ( MOVContext c,
AVIOContext pb,
unsigned  len,
const char *  key 
) [static]

Definition at line 100 of file mov.c.

static int mov_metadata_track_or_disc_number ( MOVContext c,
AVIOContext pb,
unsigned  len,
const char *  key 
) [static]

Definition at line 66 of file mov.c.

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

Definition at line 1866 of file mov.c.

Referenced by mov_read_trak().

static int mov_probe ( AVProbeData p  )  [static]

Definition at line 2437 of file mov.c.

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

Definition at line 558 of file mov.c.

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

Definition at line 2151 of file mov.c.

static void mov_read_chapters ( AVFormatContext s  )  [static]

Definition at line 2482 of file mov.c.

Referenced by mov_read_header().

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

Definition at line 268 of file mov.c.

static int mov_read_close ( AVFormatContext s  )  [static]

Definition at line 2751 of file mov.c.

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

Definition at line 2290 of file mov.c.

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

Definition at line 1643 of file mov.c.

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

Definition at line 537 of file mov.c.

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

Definition at line 369 of file mov.c.

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

Definition at line 2339 of file mov.c.

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

Definition at line 822 of file mov.c.

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

Definition at line 532 of file mov.c.

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

Definition at line 889 of file mov.c.

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

Definition at line 854 of file mov.c.

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

Definition at line 656 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 945 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 473 of file mov.c.

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

Definition at line 2551 of file mov.c.

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

Definition at line 2010 of file mov.c.

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

Definition at line 147 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 647 of file mov.c.

Referenced by mov_read_wide().

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

Definition at line 720 of file mov.c.

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

Definition at line 2019 of file mov.c.

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

Definition at line 700 of file mov.c.

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

Definition at line 688 of file mov.c.

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

Definition at line 760 of file mov.c.

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

Definition at line 2608 of file mov.c.

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

Definition at line 623 of file mov.c.

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

Definition at line 2720 of file mov.c.

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

Definition at line 798 of file mov.c.

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

Definition at line 1002 of file mov.c.

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

Definition at line 1459 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 979 of file mov.c.

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

Definition at line 1424 of file mov.c.

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

Definition at line 1413 of file mov.c.

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

Definition at line 1488 of file mov.c.

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

Definition at line 1520 of file mov.c.

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

Definition at line 1590 of file mov.c.

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

Definition at line 2116 of file mov.c.

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

Definition at line 2033 of file mov.c.

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

Definition at line 1910 of file mov.c.

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

Definition at line 2157 of file mov.c.

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

Definition at line 2178 of file mov.c.

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

Definition at line 165 of file mov.c.

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

Definition at line 913 of file mov.c.

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

Definition at line 610 of file mov.c.

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

Definition at line 2270 of file mov.c.

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

Definition at line 2690 of file mov.c.

Referenced by mov_read_seek().


Variable Documentation

Initial value:
 {
    .name           = "mov,mp4,m4a,3gp,3g2,mj2",
    .long_name      = NULL_IF_CONFIG_SMALL("QuickTime/MPEG-4/Motion JPEG 2000 format"),
    .priv_data_size = sizeof(MOVContext),
    .read_probe     = mov_probe,
    .read_header    = mov_read_header,
    .read_packet    = mov_read_packet,
    .read_close     = mov_read_close,
    .read_seek      = mov_read_seek,
}

Definition at line 2784 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 128 of file mov.c.

Referenced by mov_read_mac_string().

Definition at line 64 of file mov.c.