libavformat/mov.c File Reference

#include <limits.h>
#include "libavutil/intreadwrite.h"
#include "libavutil/avstring.h"
#include "libavutil/dict.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_track_or_disc_number (MOVContext *c, AVIOContext *pb, unsigned len, const char *type)
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_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)
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_chan (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 927 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 467 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 958 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 1553 of file mov.c.

Referenced by mov_read_trak().

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

Definition at line 2461 of file mov.c.

Referenced by mov_read_packet().

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

Definition at line 611 of file mov.c.

Referenced by mov_read_mdhd(), and mov_read_mvhd().

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

Definition at line 82 of file mov.c.

Referenced by mov_read_udta_string().

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

Definition at line 1733 of file mov.c.

Referenced by mov_read_trak().

static int mov_probe ( AVProbeData *  p  )  [static]

Definition at line 2315 of file mov.c.

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

Definition at line 788 of file mov.c.

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

Definition at line 793 of file mov.c.

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

Definition at line 2248 of file mov.c.

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

Definition at line 2020 of file mov.c.

static void mov_read_chapters ( AVFormatContext *  s  )  [static]

Definition at line 2361 of file mov.c.

Referenced by mov_read_header().

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

Definition at line 225 of file mov.c.

static int mov_read_close ( AVFormatContext *  s  )  [static]

Definition at line 2619 of file mov.c.

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

Definition at line 2159 of file mov.c.

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

Definition at line 1514 of file mov.c.

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

Definition at line 495 of file mov.c.

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

Definition at line 257 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 326 of file mov.c.

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

Definition at line 2208 of file mov.c.

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

Definition at line 725 of file mov.c.

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

Definition at line 490 of file mov.c.

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

Definition at line 758 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 798 of file mov.c.

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

Definition at line 562 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 839 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 430 of file mov.c.

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

Definition at line 2430 of file mov.c.

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

Definition at line 1875 of file mov.c.

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

Definition at line 803 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 553 of file mov.c.

Referenced by mov_read_wide().

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

Definition at line 624 of file mov.c.

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

Definition at line 1884 of file mov.c.

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

Definition at line 604 of file mov.c.

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

Definition at line 594 of file mov.c.

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

Definition at line 663 of file mov.c.

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

Definition at line 2487 of file mov.c.

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

Definition at line 529 of file mov.c.

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

Definition at line 2588 of file mov.c.

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

Definition at line 701 of file mov.c.

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

Definition at line 887 of file mov.c.

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

Definition at line 1338 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 864 of file mov.c.

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

Definition at line 1305 of file mov.c.

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

Definition at line 1294 of file mov.c.

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

Definition at line 1367 of file mov.c.

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

Definition at line 1399 of file mov.c.

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

Definition at line 1467 of file mov.c.

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

Definition at line 1985 of file mov.c.

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

Definition at line 1898 of file mov.c.

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

Definition at line 1776 of file mov.c.

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

Definition at line 2026 of file mov.c.

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

Definition at line 2047 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 808 of file mov.c.

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

Definition at line 516 of file mov.c.

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

Definition at line 2139 of file mov.c.

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

Definition at line 2558 of file mov.c.

Referenced by mov_read_seek().

Variable Documentation

AVInputFormat ff_mov_demuxer

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 2654 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().

static const MOVParseTableEntry mov_default_parse_table [static]

Definition at line 80 of file mov.c.

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