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 
42 typedef struct MOVIentry {
43  uint64_t pos;
44  int64_t dts;
45  unsigned int size;
46  unsigned int samplesInChunk;
47  unsigned int entries;
48  int cts;
49 #define MOV_SYNC_SAMPLE 0x0001
50 #define MOV_PARTIAL_SYNC_SAMPLE 0x0002
51  uint32_t flags;
52 } MOVIentry;
53 
54 typedef struct HintSample {
55  uint8_t *data;
56  int size;
58  int offset;
59  int own_data;
60 } HintSample;
61 
62 typedef struct {
63  int size;
64  int len;
67 
68 typedef struct MOVIndex {
69  int mode;
70  int entry;
71  unsigned timescale;
72  uint64_t time;
73  int64_t trackDuration;
75  long sampleSize;
77 #define MOV_TRACK_CTTS 0x0001
78 #define MOV_TRACK_STPS 0x0002
79  uint32_t flags;
80  int language;
81  int trackID;
82  int tag;
84 
85  int vosLen;
86  uint8_t *vosData;
88  int audio_vbr;
89  int height;
90  uint32_t tref_tag;
91  int tref_id;
92 
93  int hint_track;
94  int src_track;
96  uint32_t prev_rtp_ts;
98  uint32_t max_packet_size;
99 
101 } MOVTrack;
102 
103 typedef struct MOVMuxContext {
105  int mode;
106  int64_t time;
109  int64_t mdat_pos;
110  uint64_t mdat_size;
112 
113  int flags;
118 } MOVMuxContext;
119 
120 #define FF_MOV_FLAG_RTP_HINT 1
121 
123 
124 int ff_mov_init_hinting(AVFormatContext *s, int index, int src_index);
126  int track_index, int sample,
127  uint8_t *sample_data, int sample_size);
128 void ff_mov_close_hinting(MOVTrack *track);
129 
130 #endif /* AVFORMAT_MOVENC_H */