libavformat/mov.c File Reference

#include <limits.h>
#include "libavutil/intreadwrite.h"
#include "libavutil/intfloat_readwrite.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

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_extradata (MOVContext *c, AVIOContext *pb, MOVAtom atom, enum CodecID codec_id)
static int mov_read_alac (MOVContext *c, AVIOContext *pb, MOVAtom atom)
static int mov_read_avss (MOVContext *c, AVIOContext *pb, MOVAtom atom)
static int mov_read_fiel (MOVContext *c, AVIOContext *pb, MOVAtom atom)
static int mov_read_jp2h (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, const 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_read_chan2 (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 AVIndexEntry * mov_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 1032 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 526 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 1063 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 1697 of file mov.c.

Referenced by mov_read_trak().

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

Definition at line 2612 of file mov.c.

Referenced by mov_read_packet().

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

Definition at line 714 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 112 of file mov.c.

Referenced by mov_read_udta_string().

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

Definition at line 85 of file mov.c.

Referenced by mov_read_udta_string().

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

Definition at line 101 of file mov.c.

Referenced by mov_read_udta_string().

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.

Referenced by mov_read_udta_string().

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

Definition at line 1881 of file mov.c.

Referenced by mov_read_trak().

static int mov_probe ( AVProbeData *  p  )  [static]

Definition at line 2467 of file mov.c.

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

Definition at line 891 of file mov.c.

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

Definition at line 896 of file mov.c.

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

Definition at line 574 of file mov.c.

static int mov_read_chan2 ( MOVContext *  c,
AVIOContext *  pb,
MOVAtom  atom 
) [static]

Definition at line 2400 of file mov.c.

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

Definition at line 2170 of file mov.c.

static void mov_read_chapters ( AVFormatContext *  s  )  [static]

Definition at line 2512 of file mov.c.

Referenced by mov_read_header().

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

Definition at line 271 of file mov.c.

static int mov_read_close ( AVFormatContext *  s  )  [static]

Definition at line 2781 of file mov.c.

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

Definition at line 2309 of file mov.c.

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

Definition at line 1656 of file mov.c.

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

Definition at line 553 of file mov.c.

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

Definition at line 303 of file mov.c.

Referenced by ff_mov_read_stsd_entries(), mov_read_cmov(), mov_read_header(), mov_read_ilst(), mov_read_meta(), mov_read_moof(), mov_read_moov(), mov_read_packet(), mov_read_trak(), and mov_read_wave().

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

Definition at line 370 of file mov.c.

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

Definition at line 2358 of file mov.c.

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

Definition at line 828 of file mov.c.

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

Definition at line 548 of file mov.c.

static int mov_read_extradata ( MOVContext *  c,
AVIOContext *  pb,
MOVAtom  atom,
enum CodecID  codec_id 
) [static]

Definition at line 861 of file mov.c.

Referenced by mov_read_alac(), mov_read_avss(), mov_read_fiel(), and mov_read_jp2h().

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

Definition at line 901 of file mov.c.

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

Definition at line 665 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 942 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 476 of file mov.c.

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

Definition at line 2581 of file mov.c.

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

Definition at line 2025 of file mov.c.

static int mov_read_jp2h ( MOVContext *  c,
AVIOContext *  pb,
MOVAtom  atom 
) [static]

Definition at line 906 of file mov.c.

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

Definition at line 148 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 656 of file mov.c.

Referenced by mov_read_wide().

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

Definition at line 727 of file mov.c.

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

Definition at line 2034 of file mov.c.

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

Definition at line 707 of file mov.c.

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

Definition at line 697 of file mov.c.

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

Definition at line 766 of file mov.c.

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

Definition at line 2638 of file mov.c.

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

Definition at line 632 of file mov.c.

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

Definition at line 2750 of file mov.c.

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

Definition at line 804 of file mov.c.

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

Definition at line 990 of file mov.c.

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

Definition at line 1469 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 967 of file mov.c.

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

Definition at line 1434 of file mov.c.

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

Definition at line 1423 of file mov.c.

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

Definition at line 1498 of file mov.c.

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

Definition at line 1530 of file mov.c.

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

Definition at line 1600 of file mov.c.

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

Definition at line 2135 of file mov.c.

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

Definition at line 2048 of file mov.c.

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

Definition at line 1925 of file mov.c.

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

Definition at line 2176 of file mov.c.

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

Definition at line 2197 of file mov.c.

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

Definition at line 166 of file mov.c.

Referenced by mov_read_default().

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

Definition at line 911 of file mov.c.

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

Definition at line 619 of file mov.c.

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

Definition at line 2289 of file mov.c.

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

Definition at line 2720 of file mov.c.

Referenced by mov_read_seek().

Variable Documentation

AVInputFormat ff_mov_demuxer

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 2814 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 129 of file mov.c.

Referenced by mov_read_mac_string().

static const MOVParseTableEntry mov_default_parse_table [static]

Definition at line 64 of file mov.c.

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