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movenc.h
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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;
77  int size;
79 
80 typedef struct MOVTrack {
81  int mode;
82  int entry;
83  unsigned timescale;
84  uint64_t time;
85  int64_t track_duration;
89  long chunkCount;
91 #define MOV_TRACK_CTTS 0x0001
92 #define MOV_TRACK_STPS 0x0002
93 #define MOV_TRACK_ENABLED 0x0004
94  uint32_t flags;
95 #define MOV_TIMECODE_FLAG_DROPFRAME 0x0001
96 #define MOV_TIMECODE_FLAG_24HOURSMAX 0x0002
97 #define MOV_TIMECODE_FLAG_ALLOWNEGATIVE 0x0004
98  uint32_t timecode_flags;
99  int language;
100  int track_id;
101  int tag; ///< stsd fourcc
105 
106  int vos_len;
111  int height; ///< active picture (w/o VBI) height for D-10/IMX
112  uint32_t tref_tag;
113  int tref_id; ///< trackID of the referenced track
114  int64_t start_dts;
115  int64_t start_cts;
116  int64_t end_pts;
117 
118  int hint_track; ///< the track that hints this track, -1 if no hint track is set
119  int src_track; ///< the track that this hint (or tmcd) track describes
120  AVFormatContext *rtp_ctx; ///< the format context for the hinting rtp muxer
121  uint32_t prev_rtp_ts;
123  uint32_t max_packet_size;
124 
127  uint32_t default_size;
128 
130 
132  int64_t data_offset;
133  int64_t frag_start;
136 
140 
141  struct {
148  int slices;
149  } vc1_info;
150 
151  void *eac3_priv;
152 } MOVTrack;
153 
154 typedef struct MOVMuxContext {
156  int mode;
157  int64_t time;
159  int nb_meta_tmcd; ///< number of new created tmcd track based on metadata (aka not data copy)
160  int chapter_track; ///< qt chapter track number
161  int64_t mdat_pos;
162  uint64_t mdat_size;
164 
165  int flags;
167  int exact;
168 
172 
181 
183 
184  int reserved_moov_size; ///< 0 for disabled, -1 for automatic, size otherwise
186 
187  char *major_brand;
188 
191 
193  float gamma;
194 
197 } MOVMuxContext;
198 
199 #define FF_MOV_FLAG_RTP_HINT (1 << 0)
200 #define FF_MOV_FLAG_FRAGMENT (1 << 1)
201 #define FF_MOV_FLAG_EMPTY_MOOV (1 << 2)
202 #define FF_MOV_FLAG_FRAG_KEYFRAME (1 << 3)
203 #define FF_MOV_FLAG_SEPARATE_MOOF (1 << 4)
204 #define FF_MOV_FLAG_FRAG_CUSTOM (1 << 5)
205 #define FF_MOV_FLAG_ISML (1 << 6)
206 #define FF_MOV_FLAG_FASTSTART (1 << 7)
207 #define FF_MOV_FLAG_OMIT_TFHD_OFFSET (1 << 8)
208 #define FF_MOV_FLAG_DISABLE_CHPL (1 << 9)
209 #define FF_MOV_FLAG_DEFAULT_BASE_MOOF (1 << 10)
210 #define FF_MOV_FLAG_DASH (1 << 11)
211 #define FF_MOV_FLAG_FRAG_DISCONT (1 << 12)
212 #define FF_MOV_FLAG_DELAY_MOOV (1 << 13)
213 #define FF_MOV_FLAG_WRITE_COLR (1 << 14)
214 #define FF_MOV_FLAG_WRITE_GAMA (1 << 15)
215 
217 
218 int ff_mov_init_hinting(AVFormatContext *s, int index, int src_index);
220  int track_index, int sample,
221  uint8_t *sample_data, int sample_size);
222 void ff_mov_close_hinting(MOVTrack *track);
223 
224 #endif /* AVFORMAT_MOVENC_H */
uint8_t * data
Definition: movenc.h:59
const char * s
Definition: avisynth_c.h:631
Bytestream IO Context.
Definition: avio.h:111
int packet_entry
Definition: movenc.h:147
long chunkCount
Definition: movenc.h:89
int use_editlist
Definition: movenc.h:192
AVCodecContext * enc
Definition: movenc.h:103
int tag
stsd fourcc
Definition: movenc.h:101
int language
Definition: movenc.h:99
unsigned int entries
Definition: movenc.h:51
AVIOContext * mdat_buf
Definition: movenc.h:179
int nb_frag_info
Definition: movenc.h:137
int max_fragment_size
Definition: movenc.h:177
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:87
int rtp_flags
Definition: movenc.h:166
static AVPacket pkt
AVStream * st
Definition: movenc.h:102
struct MOVTrack::@161 vc1_info
#define sample
int64_t track_duration
Definition: movenc.h:85
int last_sample_is_subtitle_end
Definition: movenc.h:86
int entries_flushed
Definition: movenc.h:135
Format I/O context.
Definition: avformat.h:1272
int64_t frag_start
Definition: movenc.h:133
HintSampleQueue sample_queue
Definition: movenc.h:129
int first_trun
Definition: movenc.h:180
int offset
Definition: movenc.h:62
int64_t default_duration
Definition: movenc.h:125
uint32_t flags
Definition: movenc.h:94
uint8_t
const AVClass * av_class
Definition: movenc.h:155
unsigned frag_info_capacity
Definition: movenc.h:139
int missing_duration_warned
Definition: movenc.h:196
uint64_t mdat_size
Definition: movenc.h:162
unsigned int samples_in_chunk
Definition: movenc.h:49
int frag_interleave
Definition: movenc.h:195
int chapter_track
qt chapter track number
Definition: movenc.h:160
int own_data
Definition: movenc.h:63
int64_t time
Definition: movenc.h:74
int fragments
Definition: movenc.h:174
int iods_audio_profile
Definition: movenc.h:171
int max_fragment_duration
Definition: movenc.h:175
int64_t mdat_pos
Definition: movenc.h:161
void ff_mov_close_hinting(MOVTrack *track)
Definition: movenchint.c:459
unsigned int size
Definition: movenc.h:48
int ism_lookahead
Definition: movenc.h:178
int sample_number
Definition: movenc.h:61
uint32_t tref_tag
Definition: movenc.h:112
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
uint32_t prev_rtp_ts
Definition: movenc.h:121
int video_track_timescale
Definition: movenc.h:182
int height
active picture (w/o VBI) height for D-10/IMX
Definition: movenc.h:111
int mode
Definition: movenc.h:81
int vos_len
Definition: movenc.h:106
int iods_skip
Definition: movenc.h:169
uint64_t pos
Definition: movenc.h:46
int first_frag_written
Definition: movenc.h:145
int64_t dts
Definition: movenc.h:47
int per_stream_grouping
Definition: movenc.h:189
int64_t data_offset
Definition: movenc.h:132
int nb_meta_tmcd
number of new created tmcd track based on metadata (aka not data copy)
Definition: movenc.h:159
int audio_vbr
Definition: movenc.h:110
int ff_mov_init_hinting(AVFormatContext *s, int index, int src_index)
Definition: movenchint.c:29
long sample_size
Definition: movenc.h:88
int frag_discont
Definition: movenc.h:134
int reserved_moov_size
0 for disabled, -1 for automatic, size otherwise
Definition: movenc.h:184
int size
Definition: movenc.h:60
int iods_video_profile
Definition: movenc.h:170
Stream structure.
Definition: avformat.h:842
int64_t reserved_moov_pos
Definition: movenc.h:185
int64_t end_pts
Definition: movenc.h:116
int cts
Definition: movenc.h:52
main external API structure.
Definition: avcodec.h:1241
uint32_t timecode_flags
Definition: movenc.h:98
int hint_track
the track that hints this track, -1 if no hint track is set
Definition: movenc.h:118
int slices
Definition: movenc.h:148
uint32_t default_size
Definition: movenc.h:127
float gamma
Definition: movenc.h:193
Describe the class of an AVClass context structure.
Definition: log.h:67
AVFormatContext * fc
Definition: movenc.h:190
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:84
int first_packet_seq
Definition: movenc.h:142
int64_t time
Definition: movenc.h:157
int has_keyframes
Definition: movenc.h:90
int entry
Definition: movenc.h:82
MOVFragmentInfo * frag_info
Definition: movenc.h:138
char * major_brand
Definition: movenc.h:187
int64_t start_cts
Definition: movenc.h:115
uint8_t * vos_data
Definition: movenc.h:107
int first_packet_entry
Definition: movenc.h:143
AVFormatContext * rtp_ctx
the format context for the hinting rtp muxer
Definition: movenc.h:120
int track_id
Definition: movenc.h:100
Main libavformat public API header.
int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
Definition: movenc.c:4293
int packet_seq
Definition: movenc.h:146
uint32_t max_packet_size
Definition: movenc.h:123
int src_track
the track that this hint (or tmcd) track describes
Definition: movenc.h:119
int multichannel_as_mono
Definition: movenc.h:104
MOVIentry * cluster
Definition: movenc.h:108
uint32_t default_sample_flags
Definition: movenc.h:126
unsigned timescale
Definition: movenc.h:83
int64_t start_dts
Definition: movenc.h:114
int tref_id
trackID of the referenced track
Definition: movenc.h:113
int first_packet_seen
Definition: movenc.h:144
int moov_written
Definition: movenc.h:173
unsigned cluster_capacity
Definition: movenc.h:109
void * eac3_priv
Definition: movenc.h:151
This structure stores compressed data.
Definition: avcodec.h:1139
int64_t offset
Definition: movenc.h:73
int min_fragment_duration
Definition: movenc.h:176
MOVTrack * tracks
Definition: movenc.h:163
int64_t cur_rtp_ts_unwrapped
Definition: movenc.h:122
AVIOContext * mdat_buf
Definition: movenc.h:131
int nb_streams
Definition: movenc.h:158