aboutsummaryrefslogtreecommitdiffstats
path: root/libavformat/movenc.h
blob: 5595ac71a84fbaed2d59630e1d32e274ae8a281a (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
/*
 * MOV, 3GP, MP4 muxer
 * Copyright (c) 2003 Thomas Raivio
 * Copyright (c) 2004 Gildas Bazin <gbazin at videolan dot org>
 * Copyright (c) 2009 Baptiste Coudurier <baptiste dot coudurier at gmail dot com>
 *
 * This file is part of Libav.
 *
 * Libav is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * Libav is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with Libav; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

#ifndef AVFORMAT_MOVENC_H
#define AVFORMAT_MOVENC_H

#include "avformat.h"

#define MOV_INDEX_CLUSTER_SIZE 16384
#define MOV_TIMESCALE 1000

#define RTP_MAX_PACKET_SIZE 1450

#define MODE_MP4  0x01
#define MODE_MOV  0x02
#define MODE_3GP  0x04
#define MODE_PSP  0x08 // example working PSP command line:
// avconv -i testinput.avi  -f psp -r 14.985 -s 320x240 -b 768 -ar 24000 -ab 32 M4V00001.MP4
#define MODE_3G2  0x10
#define MODE_IPOD 0x20

typedef struct MOVIentry {
    uint64_t     pos;
    int64_t      dts;
    unsigned int size;
    unsigned int samplesInChunk;
    unsigned int entries;
    int          cts;
#define MOV_SYNC_SAMPLE         0x0001
#define MOV_PARTIAL_SYNC_SAMPLE 0x0002
    uint32_t     flags;
} MOVIentry;

typedef struct HintSample {
    uint8_t *data;
    int size;
    int sample_number;
    int offset;
    int own_data;
} HintSample;

typedef struct {
    int size;
    int len;
    HintSample *samples;
} HintSampleQueue;

typedef struct MOVIndex {
    int         mode;
    int         entry;
    unsigned    timescale;
    uint64_t    time;
    int64_t     trackDuration;
    long        sampleCount;
    long        sampleSize;
    int         hasKeyframes;
#define MOV_TRACK_CTTS         0x0001
#define MOV_TRACK_STPS         0x0002
    uint32_t    flags;
    int         language;
    int         trackID;
    int         tag; ///< stsd fourcc
    AVCodecContext *enc;

    int         vosLen;
    uint8_t     *vosData;
    MOVIentry   *cluster;
    int         audio_vbr;
    int         height; ///< active picture (w/o VBI) height for D-10/IMX
    uint32_t    tref_tag;
    int         tref_id; ///< trackID of the referenced track

    int         hint_track;   ///< the track that hints this track, -1 if no hint track is set
    int         src_track;    ///< the track that this hint track describes
    AVFormatContext *rtp_ctx; ///< the format context for the hinting rtp muxer
    uint32_t    prev_rtp_ts;
    int64_t     cur_rtp_ts_unwrapped;
    uint32_t    max_packet_size;

    HintSampleQueue sample_queue;
} MOVTrack;

typedef struct MOVMuxContext {
    const AVClass *av_class;
    int     mode;
    int64_t time;
    int     nb_streams;
    int     chapter_track; ///< qt chapter track number
    int64_t mdat_pos;
    uint64_t mdat_size;
    MOVTrack *tracks;

    int flags;
    int rtp_flags;
    int iods_skip;
    int iods_video_profile;
    int iods_audio_profile;
} MOVMuxContext;

#define FF_MOV_FLAG_RTP_HINT 1

int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt);

int ff_mov_init_hinting(AVFormatContext *s, int index, int src_index);
int ff_mov_add_hinted_packet(AVFormatContext *s, AVPacket *pkt,
                             int track_index, int sample,
                             uint8_t *sample_data, int sample_size);
void ff_mov_close_hinting(MOVTrack *track);

#endif /* AVFORMAT_MOVENC_H */