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
42typedef 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
54typedef struct HintSample {
55    uint8_t *data;
56    int size;
57    int sample_number;
58    int offset;
59    int own_data;
60} HintSample;
61
62typedef struct {
63    int size;
64    int len;
65    HintSample *samples;
66} HintSampleQueue;
67
68typedef struct MOVIndex {
69    int         mode;
70    int         entry;
71    unsigned    timescale;
72    uint64_t    time;
73    int64_t     trackDuration;
74    long        sampleCount;
75    long        sampleSize;
76    int         hasKeyframes;
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; ///< stsd fourcc
83    AVCodecContext *enc;
84
85    int         vosLen;
86    uint8_t     *vosData;
87    MOVIentry   *cluster;
88    int         audio_vbr;
89    int         height; ///< active picture (w/o VBI) height for D-10/IMX
90    uint32_t    tref_tag;
91    int         tref_id; ///< trackID of the referenced track
92
93    int         hint_track;   ///< the track that hints this track, -1 if no hint track is set
94    int         src_track;    ///< the track that this hint track describes
95    AVFormatContext *rtp_ctx; ///< the format context for the hinting rtp muxer
96    uint32_t    prev_rtp_ts;
97    int64_t     cur_rtp_ts_unwrapped;
98    uint32_t    max_packet_size;
99
100    HintSampleQueue sample_queue;
101} MOVTrack;
102
103typedef struct MOVMuxContext {
104    const AVClass *av_class;
105    int     mode;
106    int64_t time;
107    int     nb_streams;
108    int     chapter_track; ///< qt chapter track number
109    int64_t mdat_pos;
110    uint64_t mdat_size;
111    MOVTrack *tracks;
112
113    int flags;
114    int rtp_flags;
115    int iods_skip;
116    int iods_video_profile;
117    int iods_audio_profile;
118} MOVMuxContext;
119
120#define FF_MOV_FLAG_RTP_HINT 1
121
122int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt);
123
124int ff_mov_init_hinting(AVFormatContext *s, int index, int src_index);
125int ff_mov_add_hinted_packet(AVFormatContext *s, AVPacket *pkt,
126                             int track_index, int sample,
127                             uint8_t *sample_data, int sample_size);
128void ff_mov_close_hinting(MOVTrack *track);
129
130#endif /* AVFORMAT_MOVENC_H */
131