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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 FFmpeg. | |
8 | * | |
9 | * FFmpeg 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 | * FFmpeg 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 FFmpeg; 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_FRAG_INFO_ALLOC_INCREMENT 64 | |
30 | #define MOV_INDEX_CLUSTER_SIZE 1024 | |
31 | #define MOV_TIMESCALE 1000 | |
32 | ||
33 | #define RTP_MAX_PACKET_SIZE 1450 | |
34 | ||
35 | #define MODE_MP4 0x01 | |
36 | #define MODE_MOV 0x02 | |
37 | #define MODE_3GP 0x04 | |
38 | #define MODE_PSP 0x08 // example working PSP command line: | |
39 | // ffmpeg -i testinput.avi -f psp -r 14.985 -s 320x240 -b 768 -ar 24000 -ab 32 M4V00001.MP4 | |
40 | #define MODE_3G2 0x10 | |
41 | #define MODE_IPOD 0x20 | |
42 | #define MODE_ISM 0x40 | |
43 | #define MODE_F4V 0x80 | |
44 | ||
45 | typedef struct MOVIentry { | |
46 | uint64_t pos; | |
47 | int64_t dts; | |
48 | unsigned int size; | |
49 | unsigned int samples_in_chunk; | |
50 | unsigned int chunkNum; ///< Chunk number if the current entry is a chunk start otherwise 0 | |
51 | unsigned int entries; | |
52 | int cts; | |
53 | #define MOV_SYNC_SAMPLE 0x0001 | |
54 | #define MOV_PARTIAL_SYNC_SAMPLE 0x0002 | |
55 | uint32_t flags; | |
56 | } MOVIentry; | |
57 | ||
58 | typedef struct HintSample { | |
59 | uint8_t *data; | |
60 | int size; | |
61 | int sample_number; | |
62 | int offset; | |
63 | int own_data; | |
64 | } HintSample; | |
65 | ||
66 | typedef struct HintSampleQueue { | |
67 | int size; | |
68 | int len; | |
69 | HintSample *samples; | |
70 | } HintSampleQueue; | |
71 | ||
72 | typedef struct MOVFragmentInfo { | |
73 | int64_t offset; | |
74 | int64_t time; | |
75 | int64_t duration; | |
76 | int64_t tfrf_offset; | |
77 | } MOVFragmentInfo; | |
78 | ||
79 | typedef struct MOVTrack { | |
80 | int mode; | |
81 | int entry; | |
82 | unsigned timescale; | |
83 | uint64_t time; | |
84 | int64_t track_duration; | |
85 | int last_sample_is_subtitle_end; | |
86 | long sample_count; | |
87 | long sample_size; | |
88 | long chunkCount; | |
89 | int has_keyframes; | |
90 | #define MOV_TRACK_CTTS 0x0001 | |
91 | #define MOV_TRACK_STPS 0x0002 | |
92 | #define MOV_TRACK_ENABLED 0x0004 | |
93 | uint32_t flags; | |
94 | #define MOV_TIMECODE_FLAG_DROPFRAME 0x0001 | |
95 | #define MOV_TIMECODE_FLAG_24HOURSMAX 0x0002 | |
96 | #define MOV_TIMECODE_FLAG_ALLOWNEGATIVE 0x0004 | |
97 | uint32_t timecode_flags; | |
98 | int language; | |
99 | int track_id; | |
100 | int tag; ///< stsd fourcc | |
101 | AVStream *st; | |
102 | AVCodecContext *enc; | |
103 | int multichannel_as_mono; | |
104 | ||
105 | int vos_len; | |
106 | uint8_t *vos_data; | |
107 | MOVIentry *cluster; | |
108 | unsigned cluster_capacity; | |
109 | int audio_vbr; | |
110 | int height; ///< active picture (w/o VBI) height for D-10/IMX | |
111 | uint32_t tref_tag; | |
112 | int tref_id; ///< trackID of the referenced track | |
113 | int64_t start_dts; | |
114 | ||
115 | int hint_track; ///< the track that hints this track, -1 if no hint track is set | |
116 | int src_track; ///< the track that this hint (or tmcd) track describes | |
117 | AVFormatContext *rtp_ctx; ///< the format context for the hinting rtp muxer | |
118 | uint32_t prev_rtp_ts; | |
119 | int64_t cur_rtp_ts_unwrapped; | |
120 | uint32_t max_packet_size; | |
121 | ||
122 | int64_t default_duration; | |
123 | uint32_t default_sample_flags; | |
124 | uint32_t default_size; | |
125 | ||
126 | HintSampleQueue sample_queue; | |
127 | ||
128 | AVIOContext *mdat_buf; | |
129 | int64_t data_offset; | |
130 | int64_t frag_start; | |
131 | int64_t tfrf_offset; | |
132 | ||
133 | int nb_frag_info; | |
134 | MOVFragmentInfo *frag_info; | |
135 | unsigned frag_info_capacity; | |
136 | ||
137 | struct { | |
138 | int64_t struct_offset; | |
139 | int first_packet_seq; | |
140 | int first_packet_entry; | |
141 | int packet_seq; | |
142 | int packet_entry; | |
143 | int slices; | |
144 | } vc1_info; | |
145 | } MOVTrack; | |
146 | ||
147 | typedef struct MOVMuxContext { | |
148 | const AVClass *av_class; | |
149 | int mode; | |
150 | int64_t time; | |
151 | int nb_streams; | |
152 | int nb_meta_tmcd; ///< number of new created tmcd track based on metadata (aka not data copy) | |
153 | int chapter_track; ///< qt chapter track number | |
154 | int64_t mdat_pos; | |
155 | uint64_t mdat_size; | |
156 | MOVTrack *tracks; | |
157 | ||
158 | int flags; | |
159 | int rtp_flags; | |
160 | int exact; | |
161 | ||
162 | int iods_skip; | |
163 | int iods_video_profile; | |
164 | int iods_audio_profile; | |
165 | ||
166 | int fragments; | |
167 | int max_fragment_duration; | |
168 | int min_fragment_duration; | |
169 | int max_fragment_size; | |
170 | int ism_lookahead; | |
171 | AVIOContext *mdat_buf; | |
172 | ||
173 | int use_editlist; | |
174 | int video_track_timescale; | |
175 | ||
176 | int reserved_moov_size; ///< 0 for disabled, -1 for automatic, size otherwise | |
177 | int64_t reserved_moov_pos; | |
178 | ||
179 | char *major_brand; | |
180 | ||
181 | int per_stream_grouping; | |
182 | AVFormatContext *fc; | |
183 | } MOVMuxContext; | |
184 | ||
185 | #define FF_MOV_FLAG_RTP_HINT 1 | |
186 | #define FF_MOV_FLAG_FRAGMENT 2 | |
187 | #define FF_MOV_FLAG_EMPTY_MOOV 4 | |
188 | #define FF_MOV_FLAG_FRAG_KEYFRAME 8 | |
189 | #define FF_MOV_FLAG_SEPARATE_MOOF 16 | |
190 | #define FF_MOV_FLAG_FRAG_CUSTOM 32 | |
191 | #define FF_MOV_FLAG_ISML 64 | |
192 | #define FF_MOV_FLAG_FASTSTART 128 | |
193 | #define FF_MOV_FLAG_OMIT_TFHD_OFFSET 256 | |
194 | #define FF_MOV_FLAG_DISABLE_CHPL 512 | |
195 | ||
196 | int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt); | |
197 | ||
198 | int ff_mov_init_hinting(AVFormatContext *s, int index, int src_index); | |
199 | int ff_mov_add_hinted_packet(AVFormatContext *s, AVPacket *pkt, | |
200 | int track_index, int sample, | |
201 | uint8_t *sample_data, int sample_size); | |
202 | void ff_mov_close_hinting(MOVTrack *track); | |
203 | ||
204 | #endif /* AVFORMAT_MOVENC_H */ |