mov.c File Reference
#include <limits.h>
#include "libavutil/audioconvert.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

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 1049 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 512 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 1080 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 1691 of file mov.c.

Referenced by mov_read_trak().

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

Definition at line 2592 of file mov.c.

Referenced by mov_read_packet().

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

Definition at line 712 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 113 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 86 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 102 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 68 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 1876 of file mov.c.

Referenced by mov_read_trak().

static int mov_probe ( AVProbeData p)
static

Definition at line 2447 of file mov.c.

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

Definition at line 563 of file mov.c.

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

Definition at line 2161 of file mov.c.

static void mov_read_chapters ( AVFormatContext s)
static

Definition at line 2492 of file mov.c.

Referenced by mov_read_header().

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

Definition at line 270 of file mov.c.

static int mov_read_close ( AVFormatContext s)
static

Definition at line 2761 of file mov.c.

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

Definition at line 2300 of file mov.c.

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

Definition at line 1650 of file mov.c.

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

Definition at line 539 of file mov.c.

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

Definition at line 371 of file mov.c.

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

Definition at line 2349 of file mov.c.

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

Definition at line 827 of file mov.c.

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

Definition at line 534 of file mov.c.

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

Definition at line 894 of file mov.c.

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

Definition at line 859 of file mov.c.

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

Definition at line 661 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 950 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 475 of file mov.c.

static int mov_read_header ( AVFormatContext s,
AVFormatParameters ap 
)
static

Definition at line 2561 of file mov.c.

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

Definition at line 2020 of file mov.c.

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

Definition at line 149 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 652 of file mov.c.

Referenced by mov_read_wide().

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

Definition at line 725 of file mov.c.

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

Definition at line 2029 of file mov.c.

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

Definition at line 705 of file mov.c.

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

Definition at line 693 of file mov.c.

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

Definition at line 765 of file mov.c.

static int mov_read_packet ( AVFormatContext s,
AVPacket pkt 
)
static

Definition at line 2618 of file mov.c.

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

Definition at line 628 of file mov.c.

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

Definition at line 2730 of file mov.c.

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

Definition at line 803 of file mov.c.

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

Definition at line 1007 of file mov.c.

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

Definition at line 1464 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 984 of file mov.c.

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

Definition at line 1429 of file mov.c.

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

Definition at line 1418 of file mov.c.

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

Definition at line 1493 of file mov.c.

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

Definition at line 1527 of file mov.c.

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

Definition at line 1597 of file mov.c.

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

Definition at line 2126 of file mov.c.

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

Definition at line 2043 of file mov.c.

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

Definition at line 1920 of file mov.c.

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

Definition at line 2167 of file mov.c.

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

Definition at line 2188 of file mov.c.

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

Definition at line 167 of file mov.c.

Referenced by mov_read_default().

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

Definition at line 918 of file mov.c.

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

Definition at line 615 of file mov.c.

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

Definition at line 2280 of file mov.c.

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

Definition at line 2700 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),
}

Definition at line 2794 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 130 of file mov.c.

Referenced by mov_read_mac_string().

static const MOVParseTableEntry mov_default_parse_table
static

Definition at line 66 of file mov.c.