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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#include "movenccenc.h"
29
30#define MOV_FRAG_INFO_ALLOC_INCREMENT 64
31#define MOV_INDEX_CLUSTER_SIZE 1024
32#define MOV_TIMESCALE 1000
33
34#define RTP_MAX_PACKET_SIZE 1450
35
36#define MODE_MP4 0x01
37#define MODE_MOV 0x02
38#define MODE_3GP 0x04
39#define MODE_PSP 0x08 // example working PSP command line:
40// ffmpeg -i testinput.avi -f psp -r 14.985 -s 320x240 -b 768 -ar 24000 -ab 32 M4V00001.MP4
41#define MODE_3G2 0x10
42#define MODE_IPOD 0x20
43#define MODE_ISM 0x40
44#define MODE_F4V 0x80
45
46typedef struct MOVIentry {
47 uint64_t pos;
48 int64_t dts;
49 unsigned int size;
50 unsigned int samples_in_chunk;
51 unsigned int chunkNum; ///< Chunk number if the current entry is a chunk start otherwise 0
52 unsigned int entries;
53 int cts;
54#define MOV_SYNC_SAMPLE 0x0001
55#define MOV_PARTIAL_SYNC_SAMPLE 0x0002
56 uint32_t flags;
57} MOVIentry;
58
59typedef struct HintSample {
60 uint8_t *data;
61 int size;
62 int sample_number;
63 int offset;
64 int own_data;
65} HintSample;
66
67typedef struct HintSampleQueue {
68 int size;
69 int len;
70 HintSample *samples;
71} HintSampleQueue;
72
73typedef struct MOVFragmentInfo {
74 int64_t offset;
75 int64_t time;
76 int64_t duration;
77 int64_t tfrf_offset;
78 int size;
79} MOVFragmentInfo;
80
81typedef struct MOVTrack {
82 int mode;
83 int entry;
84 unsigned timescale;
85 uint64_t time;
86 int64_t track_duration;
87 int last_sample_is_subtitle_end;
88 long sample_count;
89 long sample_size;
90 long chunkCount;
91 int has_keyframes;
92#define MOV_TRACK_CTTS 0x0001
93#define MOV_TRACK_STPS 0x0002
94#define MOV_TRACK_ENABLED 0x0004
95 uint32_t flags;
96#define MOV_TIMECODE_FLAG_DROPFRAME 0x0001
97#define MOV_TIMECODE_FLAG_24HOURSMAX 0x0002
98#define MOV_TIMECODE_FLAG_ALLOWNEGATIVE 0x0004
99 uint32_t timecode_flags;
100 int language;
101 int track_id;
102 int tag; ///< stsd fourcc
103 AVStream *st;
104 AVCodecParameters *par;
105 int multichannel_as_mono;
106
107 int vos_len;
108 uint8_t *vos_data;
109 MOVIentry *cluster;
110 unsigned cluster_capacity;
111 int audio_vbr;
112 int height; ///< active picture (w/o VBI) height for D-10/IMX
113 uint32_t tref_tag;
114 int tref_id; ///< trackID of the referenced track
115 int64_t start_dts;
116 int64_t start_cts;
117 int64_t end_pts;
118 int end_reliable;
119
120 int hint_track; ///< the track that hints this track, -1 if no hint track is set
121 int src_track; ///< the track that this hint (or tmcd) track describes
122 AVFormatContext *rtp_ctx; ///< the format context for the hinting rtp muxer
123 uint32_t prev_rtp_ts;
124 int64_t cur_rtp_ts_unwrapped;
125 uint32_t max_packet_size;
126
127 int64_t default_duration;
128 uint32_t default_sample_flags;
129 uint32_t default_size;
130
131 HintSampleQueue sample_queue;
132
133 AVIOContext *mdat_buf;
134 int64_t data_offset;
135 int64_t frag_start;
136 int frag_discont;
137 int entries_flushed;
138
139 int nb_frag_info;
140 MOVFragmentInfo *frag_info;
141 unsigned frag_info_capacity;
142
143 struct {
144 int first_packet_seq;
145 int first_packet_entry;
146 int first_packet_seen;
147 int first_frag_written;
148 int packet_seq;
149 int packet_entry;
150 int slices;
151 } vc1_info;
152
153 void *eac3_priv;
154
155 MOVMuxCencContext cenc;
156
157 uint32_t palette[AVPALETTE_COUNT];
158 int pal_done;
159
160 int is_unaligned_qt_rgb;
161} MOVTrack;
162
163typedef enum {
164 MOV_ENC_NONE = 0,
165 MOV_ENC_CENC_AES_CTR,
166} MOVEncryptionScheme;
167
168typedef struct MOVMuxContext {
169 const AVClass *av_class;
170 int mode;
171 int64_t time;
172 int nb_streams;
173 int nb_meta_tmcd; ///< number of new created tmcd track based on metadata (aka not data copy)
174 int chapter_track; ///< qt chapter track number
175 int64_t mdat_pos;
176 uint64_t mdat_size;
177 MOVTrack *tracks;
178
179 int flags;
180 int rtp_flags;
181
182 int iods_skip;
183 int iods_video_profile;
184 int iods_audio_profile;
185
186 int moov_written;
187 int fragments;
188 int max_fragment_duration;
189 int min_fragment_duration;
190 int max_fragment_size;
191 int ism_lookahead;
192 AVIOContext *mdat_buf;
193 int first_trun;
194
195 int video_track_timescale;
196
197 int reserved_moov_size; ///< 0 for disabled, -1 for automatic, size otherwise
198 int64_t reserved_header_pos;
199
200 char *major_brand;
201
202 int per_stream_grouping;
203 AVFormatContext *fc;
204
205 int use_editlist;
206 float gamma;
207
208 int frag_interleave;
209 int missing_duration_warned;
210
211 char *encryption_scheme_str;
212 MOVEncryptionScheme encryption_scheme;
213 uint8_t *encryption_key;
214 int encryption_key_len;
215 uint8_t *encryption_kid;
216 int encryption_kid_len;
217
218 int need_rewrite_extradata;
219
220 int use_stream_ids_as_track_ids;
221 int track_ids_ok;
222 int write_tmcd;
223} MOVMuxContext;
224
225#define FF_MOV_FLAG_RTP_HINT (1 << 0)
226#define FF_MOV_FLAG_FRAGMENT (1 << 1)
227#define FF_MOV_FLAG_EMPTY_MOOV (1 << 2)
228#define FF_MOV_FLAG_FRAG_KEYFRAME (1 << 3)
229#define FF_MOV_FLAG_SEPARATE_MOOF (1 << 4)
230#define FF_MOV_FLAG_FRAG_CUSTOM (1 << 5)
231#define FF_MOV_FLAG_ISML (1 << 6)
232#define FF_MOV_FLAG_FASTSTART (1 << 7)
233#define FF_MOV_FLAG_OMIT_TFHD_OFFSET (1 << 8)
234#define FF_MOV_FLAG_DISABLE_CHPL (1 << 9)
235#define FF_MOV_FLAG_DEFAULT_BASE_MOOF (1 << 10)
236#define FF_MOV_FLAG_DASH (1 << 11)
237#define FF_MOV_FLAG_FRAG_DISCONT (1 << 12)
238#define FF_MOV_FLAG_DELAY_MOOV (1 << 13)
239#define FF_MOV_FLAG_GLOBAL_SIDX (1 << 14)
240#define FF_MOV_FLAG_WRITE_COLR (1 << 15)
241#define FF_MOV_FLAG_WRITE_GAMA (1 << 16)
242#define FF_MOV_FLAG_USE_MDTA (1 << 17)
243#define FF_MOV_FLAG_SKIP_TRAILER (1 << 18)
244
245int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt);
246
247int ff_mov_init_hinting(AVFormatContext *s, int index, int src_index);
248int ff_mov_add_hinted_packet(AVFormatContext *s, AVPacket *pkt,
249 int track_index, int sample,
250 uint8_t *sample_data, int sample_size);
251void ff_mov_close_hinting(MOVTrack *track);
252
253#endif /* AVFORMAT_MOVENC_H */
254
generated by cgit at 2024-05-17 03:27:07 (GMT)