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 Libav.
8  *
9  * Libav 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  * Libav 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 Libav; 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 // avconv -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 
43 typedef struct MOVIentry {
44  uint64_t pos;
45  int64_t dts;
46  unsigned int size;
47  unsigned int samples_in_chunk;
48  unsigned int entries;
49  int cts;
50 #define MOV_SYNC_SAMPLE 0x0001
51 #define MOV_PARTIAL_SYNC_SAMPLE 0x0002
52  uint32_t flags;
53 } MOVIentry;
54 
55 typedef struct HintSample {
57  int size;
59  int offset;
60  int own_data;
61 } HintSample;
62 
63 typedef struct HintSampleQueue {
64  int size;
65  int len;
68 
69 typedef struct MOVFragmentInfo {
70  int64_t offset;
71  int64_t time;
72  int64_t duration;
73  int64_t tfrf_offset;
75 
76 typedef struct MOVIndex {
77  int mode;
78  int entry;
79  unsigned timescale;
80  uint64_t time;
81  int64_t track_duration;
85 #define MOV_TRACK_CTTS 0x0001
86 #define MOV_TRACK_STPS 0x0002
87  uint32_t flags;
88  int language;
89  int track_id;
90  int tag;
92 
93  int vos_len;
96  int audio_vbr;
97  int height;
98  uint32_t tref_tag;
99  int tref_id;
100  int64_t start_dts;
101 
103  int src_track;
105  uint32_t prev_rtp_ts;
107  uint32_t max_packet_size;
108 
111  uint32_t default_size;
112 
114 
117  int64_t data_offset;
118  int64_t frag_start;
119  int64_t tfrf_offset;
120 
123 
124  struct {
125  int64_t struct_offset;
130  int slices;
131  } vc1_info;
132 } MOVTrack;
133 
134 typedef struct MOVMuxContext {
136  int mode;
137  int64_t time;
140  int64_t mdat_pos;
141  uint64_t mdat_size;
143 
144  int flags;
149 
156 } MOVMuxContext;
157 
158 #define FF_MOV_FLAG_RTP_HINT 1
159 #define FF_MOV_FLAG_FRAGMENT 2
160 #define FF_MOV_FLAG_EMPTY_MOOV 4
161 #define FF_MOV_FLAG_FRAG_KEYFRAME 8
162 #define FF_MOV_FLAG_SEPARATE_MOOF 16
163 #define FF_MOV_FLAG_FRAG_CUSTOM 32
164 #define FF_MOV_FLAG_ISML 64
165 
167 
168 int ff_mov_init_hinting(AVFormatContext *s, int index, int src_index);
170  int track_index, int sample,
171  uint8_t *sample_data, int sample_size);
172 void ff_mov_close_hinting(MOVTrack *track);
173 
174 #endif /* AVFORMAT_MOVENC_H */