summaryrefslogtreecommitdiff
path: root/libavformat/movenc.h
blob: e54053c6aa8338e65b420362f7a9b37d3821a497 (plain)
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
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
/*
 * 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 FFmpeg.
 *
 * FFmpeg 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.
 *
 * FFmpeg 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 FFmpeg; 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:
// ffmpeg -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
#define MODE_ISM  0x40

typedef struct MOVIentry {
    uint64_t     pos;
    int64_t      dts;
    unsigned int size;
    unsigned int samples_in_chunk;
    unsigned int chunkNum;              ///< Chunk number if the current entry is a chunk start otherwise 0
    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 {
    int64_t offset;
    int64_t time;
    int64_t duration;
    int64_t tfrf_offset;
} MOVFragmentInfo;

typedef struct MOVIndex {
    int         mode;
    int         entry;
    unsigned    timescale;
    uint64_t    time;
    int64_t     track_duration;
    long        sample_count;
    long        sample_size;
    long        chunkCount;
    int         has_keyframes;
#define MOV_TRACK_CTTS         0x0001
#define MOV_TRACK_STPS         0x0002
    uint32_t    flags;
    int         language;
    int         track_id;
    int         tag; ///< stsd fourcc
    AVCodecContext *enc;

    int         vos_len;
    uint8_t     *vos_data;
    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
    int64_t     start_dts;

    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;

    int64_t     default_duration;
    uint32_t    default_sample_flags;
    uint32_t    default_size;

    HintSampleQueue sample_queue;

    AVIOContext *mdat_buf;
    int64_t     moof_size_offset;
    int64_t     data_offset;
    int64_t     frag_start;
    int64_t     tfrf_offset;

    int         nb_frag_info;
    MOVFragmentInfo *frag_info;
} 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 reserved_moov_size;
    int64_t reserved_moov_pos;

    int iods_skip;
    int iods_video_profile;
    int iods_audio_profile;

    int fragments;
    int max_fragment_duration;
    int max_fragment_size;
    int ism_lookahead;
} MOVMuxContext;

#define FF_MOV_FLAG_RTP_HINT 1
#define FF_MOV_FLAG_FRAGMENT 2
#define FF_MOV_FLAG_EMPTY_MOOV 4
#define FF_MOV_FLAG_FRAG_KEYFRAME 8
#define FF_MOV_FLAG_SEPARATE_MOOF 16
#define FF_MOV_FLAG_FRAG_CUSTOM 32
#define FF_MOV_FLAG_ISML 64

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 */