Data Structures | Macros | Typedefs | Functions | Variables
mov.c File Reference
#include <limits.h>
#include "libavutil/attributes.h"
#include "libavutil/channel_layout.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/intfloat.h"
#include "libavutil/mathematics.h"
#include "libavutil/avstring.h"
#include "libavutil/dict.h"
#include "libavcodec/ac3tab.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

Macros

#define MIN_DATA_ENTRY_BOX_SIZE   12

Typedefs

typedef struct MOVParseTableEntry MOVParseTableEntry

Functions

static int mov_read_default (MOVContext *c, AVIOContext *pb, MOVAtom atom)
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_covr (MOVContext *c, AVIOContext *pb, int type, int len)
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_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_dec3 (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_dvc1 (MOVContext *c, AVIOContext *pb, MOVAtom atom)
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 AVCodecID 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 int mov_read_sbgp (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_close (AVFormatContext *s)
static int mov_read_header (AVFormatContext *s)
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)

Variables

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

Macro Definition Documentation

#define MIN_DATA_ENTRY_BOX_SIZE   12

Definition at line 354 of file mov.c.

Referenced by mov_read_dref().

Typedef Documentation

typedef struct MOVParseTableEntry MOVParseTableEntry

Function Documentation

enum AVCodecID 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 1065 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 500 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 1774 of file mov.c.

Referenced by mov_read_trak().

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

Definition at line 2829 of file mov.c.

Referenced by mov_read_packet().

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

Definition at line 692 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 115 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 88 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 104 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 69 of file mov.c.

Referenced by mov_read_udta_string().

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

Definition at line 1971 of file mov.c.

Referenced by mov_read_trak().

static int mov_probe ( AVProbeData *  p)
static

Definition at line 2631 of file mov.c.

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

Definition at line 579 of file mov.c.

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

Definition at line 2252 of file mov.c.

static void mov_read_chapters ( AVFormatContext *  s)
static

Definition at line 2676 of file mov.c.

Referenced by mov_read_header().

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

Definition at line 322 of file mov.c.

static int mov_read_close ( AVFormatContext *  s)
static

Definition at line 2745 of file mov.c.

Referenced by mov_read_header().

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

Definition at line 2402 of file mov.c.

static int mov_read_covr ( MOVContext *  c,
AVIOContext *  pb,
int  type,
int  len 
)
static

Definition at line 169 of file mov.c.

Referenced by mov_read_udta_string().

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

Definition at line 1689 of file mov.c.

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

Definition at line 527 of file mov.c.

static int mov_read_dec3 ( MOVContext *  c,
AVIOContext *  pb,
MOVAtom  atom 
)
static

Definition at line 551 of file mov.c.

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

Definition at line 2552 of file mov.c.

Referenced by ff_mov_read_stsd_entries(), mov_read_cmov(), mov_read_glbl(), 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 355 of file mov.c.

static int mov_read_dvc1 ( MOVContext *  c,
AVIOContext *  pb,
MOVAtom  atom 
)
static

Definition at line 964 of file mov.c.

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

Definition at line 2451 of file mov.c.

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

Definition at line 812 of file mov.c.

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

Definition at line 522 of file mov.c.

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

Definition at line 879 of file mov.c.

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

Definition at line 844 of file mov.c.

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

Definition at line 641 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 935 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 463 of file mov.c.

static int mov_read_header ( AVFormatContext *  s)
static

Definition at line 2786 of file mov.c.

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

Definition at line 2109 of file mov.c.

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

Definition at line 151 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 632 of file mov.c.

Referenced by mov_read_wide().

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

Definition at line 705 of file mov.c.

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

Definition at line 2118 of file mov.c.

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

Definition at line 685 of file mov.c.

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

Definition at line 673 of file mov.c.

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

Definition at line 750 of file mov.c.

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

Definition at line 2855 of file mov.c.

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

Definition at line 608 of file mov.c.

static int mov_read_sbgp ( MOVContext *  c,
AVIOContext *  pb,
MOVAtom  atom 
)
static

Definition at line 1734 of file mov.c.

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

Definition at line 2970 of file mov.c.

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

Definition at line 788 of file mov.c.

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

Definition at line 1018 of file mov.c.

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

Definition at line 1475 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 995 of file mov.c.

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

Definition at line 1435 of file mov.c.

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

Definition at line 1424 of file mov.c.

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

Definition at line 1508 of file mov.c.

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

Definition at line 1550 of file mov.c.

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

Definition at line 1627 of file mov.c.

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

Definition at line 2215 of file mov.c.

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

Definition at line 2132 of file mov.c.

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

Definition at line 2015 of file mov.c.

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

Definition at line 2258 of file mov.c.

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

Definition at line 2279 of file mov.c.

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

Definition at line 211 of file mov.c.

Referenced by mov_read_default().

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

Definition at line 903 of file mov.c.

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

Definition at line 595 of file mov.c.

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

Definition at line 2382 of file mov.c.

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

Definition at line 2940 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 / MOV"),
.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 3001 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 132 of file mov.c.

Referenced by mov_read_mac_string().

const MOVParseTableEntry mov_default_parse_table[]
static

Definition at line 2491 of file mov.c.