FFmpeg  2.1.1
movenc.h
Go to the documentation of this file.
1 /*
2  * MOV, 3GP, MP4 muxer
3  * Copyright (c) 2003 Thomas Raivio
4  * Copyright (c) 2004 Gildas Bazin <gbazin at videolan dot org>
5  * Copyright (c) 2009 Baptiste Coudurier <baptiste dot coudurier at gmail dot com>
6  *
7  * This file is part of FFmpeg.
8  *
9  * FFmpeg is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU Lesser General Public
11  * License as published by the Free Software Foundation; either
12  * version 2.1 of the License, or (at your option) any later version.
13  *
14  * FFmpeg is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17  * Lesser General Public License for more details.
18  *
19  * You should have received a copy of the GNU Lesser General Public
20  * License along with FFmpeg; if not, write to the Free Software
21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22  */
23 
24 #ifndef AVFORMAT_MOVENC_H
25 #define AVFORMAT_MOVENC_H
26 
27 #include "avformat.h"
28 
29 #define MOV_FRAG_INFO_ALLOC_INCREMENT 64
30 #define MOV_INDEX_CLUSTER_SIZE 1024
31 #define MOV_TIMESCALE 1000
32 
33 #define RTP_MAX_PACKET_SIZE 1450
34 
35 #define MODE_MP4 0x01
36 #define MODE_MOV 0x02
37 #define MODE_3GP 0x04
38 #define MODE_PSP 0x08 // example working PSP command line:
39 // ffmpeg -i testinput.avi -f psp -r 14.985 -s 320x240 -b 768 -ar 24000 -ab 32 M4V00001.MP4
40 #define MODE_3G2 0x10
41 #define MODE_IPOD 0x20
42 #define MODE_ISM 0x40
43 #define MODE_F4V 0x80
44 
45 typedef struct MOVIentry {
46  uint64_t pos;
47  int64_t dts;
48  unsigned int size;
49  unsigned int samples_in_chunk;
50  unsigned int chunkNum; ///< Chunk number if the current entry is a chunk start otherwise 0
51  unsigned int entries;
52  int cts;
53 #define MOV_SYNC_SAMPLE 0x0001
54 #define MOV_PARTIAL_SYNC_SAMPLE 0x0002
55  uint32_t flags;
56 } MOVIentry;
57 
58 typedef struct HintSample {
60  int size;
62  int offset;
63  int own_data;
64 } HintSample;
65 
66 typedef struct HintSampleQueue {
67  int size;
68  int len;
71 
72 typedef struct MOVFragmentInfo {
73  int64_t offset;
74  int64_t time;
75  int64_t duration;
76  int64_t tfrf_offset;
78 
79 typedef struct MOVTrack {
80  int mode;
81  int entry;
82  unsigned timescale;
83  uint64_t time;
84  int64_t track_duration;
88  long chunkCount;
90 #define MOV_TRACK_CTTS 0x0001
91 #define MOV_TRACK_STPS 0x0002
92 #define MOV_TRACK_ENABLED 0x0004
93  uint32_t flags;
94 #define MOV_TIMECODE_FLAG_DROPFRAME 0x0001
95 #define MOV_TIMECODE_FLAG_24HOURSMAX 0x0002
96 #define MOV_TIMECODE_FLAG_ALLOWNEGATIVE 0x0004
97  uint32_t timecode_flags;
98  int language;
99  int track_id;
100  int tag; ///< stsd fourcc
103 
104  int vos_len;
109  int height; ///< active picture (w/o VBI) height for D-10/IMX
110  uint32_t tref_tag;
111  int tref_id; ///< trackID of the referenced track
112  int64_t start_dts;
113 
114  int hint_track; ///< the track that hints this track, -1 if no hint track is set
115  int src_track; ///< the track that this hint (or tmcd) track describes
116  AVFormatContext *rtp_ctx; ///< the format context for the hinting rtp muxer
117  uint32_t prev_rtp_ts;
119  uint32_t max_packet_size;
120 
123  uint32_t default_size;
124 
126 
128  int64_t data_offset;
129  int64_t frag_start;
130  int64_t tfrf_offset;
131 
135 
136  struct {
137  int64_t struct_offset;
142  int slices;
143  } vc1_info;
144 } MOVTrack;
145 
146 typedef struct MOVMuxContext {
148  int mode;
149  int64_t time;
151  int nb_meta_tmcd; ///< number of new created tmcd track based on metadata (aka not data copy)
152  int chapter_track; ///< qt chapter track number
153  int64_t mdat_pos;
154  uint64_t mdat_size;
156 
157  int flags;
159 
163 
170 
173 
174  int reserved_moov_size; ///< 0 for disabled, -1 for automatic, size otherwise
176 } MOVMuxContext;
177 
178 #define FF_MOV_FLAG_RTP_HINT 1
179 #define FF_MOV_FLAG_FRAGMENT 2
180 #define FF_MOV_FLAG_EMPTY_MOOV 4
181 #define FF_MOV_FLAG_FRAG_KEYFRAME 8
182 #define FF_MOV_FLAG_SEPARATE_MOOF 16
183 #define FF_MOV_FLAG_FRAG_CUSTOM 32
184 #define FF_MOV_FLAG_ISML 64
185 #define FF_MOV_FLAG_FASTSTART 128
186 #define FF_MOV_FLAG_OMIT_TFHD_OFFSET 256
187 
189 
190 int ff_mov_init_hinting(AVFormatContext *s, int index, int src_index);
192  int track_index, int sample,
193  uint8_t *sample_data, int sample_size);
194 void ff_mov_close_hinting(MOVTrack *track);
195 
196 #endif /* AVFORMAT_MOVENC_H */
uint8_t * data
Definition: movenc.h:59
const char * s
Definition: avisynth_c.h:668
Bytestream IO Context.
Definition: avio.h:68
int packet_entry
Definition: movenc.h:141
long chunkCount
Definition: movenc.h:88
int use_editlist
Definition: movenc.h:171
AVCodecContext * enc
Definition: movenc.h:102
int tag
stsd fourcc
Definition: movenc.h:100
int language
Definition: movenc.h:98
unsigned int entries
Definition: movenc.h:51
AVIOContext * mdat_buf
Definition: movenc.h:169
int nb_frag_info
Definition: movenc.h:132
int max_fragment_size
Definition: movenc.h:167
int ff_mov_add_hinted_packet(AVFormatContext *s, AVPacket *pkt, int track_index, int sample, uint8_t *sample_data, int sample_size)
Definition: movenchint.c:401
long sample_count
Definition: movenc.h:86
int rtp_flags
Definition: movenc.h:158
AVStream * st
Definition: movenc.h:101
#define sample
int64_t track_duration
Definition: movenc.h:84
int last_sample_is_subtitle_end
Definition: movenc.h:85
struct MOVTrack::@152 vc1_info
Format I/O context.
Definition: avformat.h:968
int64_t frag_start
Definition: movenc.h:129
HintSampleQueue sample_queue
Definition: movenc.h:125
int offset
Definition: movenc.h:62
int64_t default_duration
Definition: movenc.h:121
uint32_t flags
Definition: movenc.h:93
uint8_t
const AVClass * av_class
Definition: movenc.h:147
unsigned frag_info_capacity
Definition: movenc.h:134
uint64_t mdat_size
Definition: movenc.h:154
unsigned int samples_in_chunk
Definition: movenc.h:49
int chapter_track
qt chapter track number
Definition: movenc.h:152
int own_data
Definition: movenc.h:63
int64_t time
Definition: movenc.h:74
int fragments
Definition: movenc.h:164
int iods_audio_profile
Definition: movenc.h:162
int max_fragment_duration
Definition: movenc.h:165
int64_t mdat_pos
Definition: movenc.h:153
void ff_mov_close_hinting(MOVTrack *track)
Definition: movenchint.c:459
unsigned int size
Definition: movenc.h:48
int ism_lookahead
Definition: movenc.h:168
int sample_number
Definition: movenc.h:61
uint32_t tref_tag
Definition: movenc.h:110
uint32_t flags
Definition: movenc.h:55
int64_t tfrf_offset
Definition: movenc.h:76
HintSample * samples
Definition: movenc.h:69
int64_t duration
Definition: movenc.h:75
int64_t struct_offset
Definition: movenc.h:137
uint32_t prev_rtp_ts
Definition: movenc.h:117
int video_track_timescale
Definition: movenc.h:172
int height
active picture (w/o VBI) height for D-10/IMX
Definition: movenc.h:109
int mode
Definition: movenc.h:80
int vos_len
Definition: movenc.h:104
int iods_skip
Definition: movenc.h:160
uint64_t pos
Definition: movenc.h:46
int64_t dts
Definition: movenc.h:47
int64_t data_offset
Definition: movenc.h:128
int nb_meta_tmcd
number of new created tmcd track based on metadata (aka not data copy)
Definition: movenc.h:151
int audio_vbr
Definition: movenc.h:108
int64_t tfrf_offset
Definition: movenc.h:130
int ff_mov_init_hinting(AVFormatContext *s, int index, int src_index)
Definition: movenchint.c:29
long sample_size
Definition: movenc.h:87
int reserved_moov_size
0 for disabled, -1 for automatic, size otherwise
Definition: movenc.h:174
int size
Definition: movenc.h:60
int iods_video_profile
Definition: movenc.h:161
Stream structure.
Definition: avformat.h:667
int64_t reserved_moov_pos
Definition: movenc.h:175
int cts
Definition: movenc.h:52
main external API structure.
Definition: avcodec.h:1146
uint32_t timecode_flags
Definition: movenc.h:97
int hint_track
the track that hints this track, -1 if no hint track is set
Definition: movenc.h:114
int slices
Definition: movenc.h:142
uint32_t default_size
Definition: movenc.h:123
Describe the class of an AVClass context structure.
Definition: log.h:50
int index
Definition: gxfenc.c:89
unsigned int chunkNum
Chunk number if the current entry is a chunk start otherwise 0.
Definition: movenc.h:50
uint64_t time
Definition: movenc.h:83
int first_packet_seq
Definition: movenc.h:138
int64_t time
Definition: movenc.h:149
int has_keyframes
Definition: movenc.h:89
int entry
Definition: movenc.h:81
MOVFragmentInfo * frag_info
Definition: movenc.h:133
uint8_t * vos_data
Definition: movenc.h:105
int first_packet_entry
Definition: movenc.h:139
AVFormatContext * rtp_ctx
the format context for the hinting rtp muxer
Definition: movenc.h:116
int track_id
Definition: movenc.h:99
int packet_seq
Definition: movenc.h:140
Main libavformat public API header.
uint32_t max_packet_size
Definition: movenc.h:119
int src_track
the track that this hint (or tmcd) track describes
Definition: movenc.h:115
MOVIentry * cluster
Definition: movenc.h:106
uint32_t default_sample_flags
Definition: movenc.h:122
unsigned timescale
Definition: movenc.h:82
int64_t start_dts
Definition: movenc.h:112
int tref_id
trackID of the referenced track
Definition: movenc.h:111
unsigned cluster_capacity
Definition: movenc.h:107
static AVPacket pkt
Definition: demuxing.c:52
int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
Definition: movenc.c:3246
This structure stores compressed data.
Definition: avcodec.h:1040
int64_t offset
Definition: movenc.h:73
int min_fragment_duration
Definition: movenc.h:166
MOVTrack * tracks
Definition: movenc.h:155
int64_t cur_rtp_ts_unwrapped
Definition: movenc.h:118
AVIOContext * mdat_buf
Definition: movenc.h:127
int nb_streams
Definition: movenc.h:150