FFmpeg
 All Data Structures Files Functions Variables Typedefs Enumerations Enumerator Macros Groups Pages
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_INDEX_CLUSTER_SIZE 16384
30 #define MOV_TIMESCALE 1000
31 
32 #define RTP_MAX_PACKET_SIZE 1450
33 
34 #define MODE_MP4 0x01
35 #define MODE_MOV 0x02
36 #define MODE_3GP 0x04
37 #define MODE_PSP 0x08 // example working PSP command line:
38 // ffmpeg -i testinput.avi -f psp -r 14.985 -s 320x240 -b 768 -ar 24000 -ab 32 M4V00001.MP4
39 #define MODE_3G2 0x10
40 #define MODE_IPOD 0x20
41 #define MODE_ISM 0x40
42 #define MODE_F4V 0x80
43 
44 typedef struct MOVIentry {
45  uint64_t pos;
46  int64_t dts;
47  unsigned int size;
48  unsigned int samples_in_chunk;
49  unsigned int chunkNum; ///< Chunk number if the current entry is a chunk start otherwise 0
50  unsigned int entries;
51  int cts;
52 #define MOV_SYNC_SAMPLE 0x0001
53 #define MOV_PARTIAL_SYNC_SAMPLE 0x0002
54  uint32_t flags;
55 } MOVIentry;
56 
57 typedef struct HintSample {
59  int size;
61  int offset;
62  int own_data;
63 } HintSample;
64 
65 typedef struct HintSampleQueue {
66  int size;
67  int len;
70 
71 typedef struct MOVFragmentInfo {
72  int64_t offset;
73  int64_t time;
74  int64_t duration;
75  int64_t tfrf_offset;
77 
78 typedef struct MOVIndex {
79  int mode;
80  int entry;
81  unsigned timescale;
82  uint64_t time;
83  int64_t track_duration;
87  long chunkCount;
89 #define MOV_TRACK_CTTS 0x0001
90 #define MOV_TRACK_STPS 0x0002
91  uint32_t flags;
92 #define MOV_TIMECODE_FLAG_DROPFRAME 0x0001
93 #define MOV_TIMECODE_FLAG_24HOURSMAX 0x0002
94 #define MOV_TIMECODE_FLAG_ALLOWNEGATIVE 0x0004
95  uint32_t timecode_flags;
96  int language;
97  int secondary;
98  int track_id;
99  int tag; ///< stsd fourcc
101 
102  int vos_len;
106  int height; ///< active picture (w/o VBI) height for D-10/IMX
107  uint32_t tref_tag;
108  int tref_id; ///< trackID of the referenced track
109  int64_t start_dts;
110 
111  int hint_track; ///< the track that hints this track, -1 if no hint track is set
112  int src_track; ///< the track that this hint (or tmcd) track describes
113  AVFormatContext *rtp_ctx; ///< the format context for the hinting rtp muxer
114  uint32_t prev_rtp_ts;
116  uint32_t max_packet_size;
117 
120  uint32_t default_size;
121 
123 
126  int64_t data_offset;
127  int64_t frag_start;
128  int64_t tfrf_offset;
129 
132 
133  struct {
134  int64_t struct_offset;
139  int slices;
140  } vc1_info;
141 } MOVTrack;
142 
143 typedef struct MOVMuxContext {
145  int mode;
146  int64_t time;
148  int nb_meta_tmcd; ///< number of new created tmcd track based on metadata (aka not data copy)
149  int chapter_track; ///< qt chapter track number
150  int64_t mdat_pos;
151  uint64_t mdat_size;
153 
154  int flags;
156  int reserved_moov_size; ///< 0 for disabled, -1 for automatic, size otherwise
158 
162 
169 
171 } MOVMuxContext;
172 
173 #define FF_MOV_FLAG_RTP_HINT 1
174 #define FF_MOV_FLAG_FRAGMENT 2
175 #define FF_MOV_FLAG_EMPTY_MOOV 4
176 #define FF_MOV_FLAG_FRAG_KEYFRAME 8
177 #define FF_MOV_FLAG_SEPARATE_MOOF 16
178 #define FF_MOV_FLAG_FRAG_CUSTOM 32
179 #define FF_MOV_FLAG_ISML 64
180 #define FF_MOV_FLAG_FASTSTART 128
181 
183 
184 int ff_mov_init_hinting(AVFormatContext *s, int index, int src_index);
186  int track_index, int sample,
187  uint8_t *sample_data, int sample_size);
188 void ff_mov_close_hinting(MOVTrack *track);
189 
190 #endif /* AVFORMAT_MOVENC_H */