summaryrefslogtreecommitdiff
path: root/libavformat/movenc.c (plain)
blob: 9280dc8d236baf2f9c07395c1074f20de95216dd
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#include <stdint.h>
25#include <inttypes.h>
26
27#include "movenc.h"
28#include "avformat.h"
29#include "avio_internal.h"
30#include "riff.h"
31#include "avio.h"
32#include "isom.h"
33#include "avc.h"
34#include "libavcodec/ac3_parser.h"
35#include "libavcodec/dnxhddata.h"
36#include "libavcodec/flac.h"
37#include "libavcodec/get_bits.h"
38#include "libavcodec/put_bits.h"
39#include "libavcodec/vc1_common.h"
40#include "libavcodec/raw.h"
41#include "internal.h"
42#include "libavutil/avstring.h"
43#include "libavutil/intfloat.h"
44#include "libavutil/mathematics.h"
45#include "libavutil/libm.h"
46#include "libavutil/opt.h"
47#include "libavutil/dict.h"
48#include "libavutil/pixdesc.h"
49#include "libavutil/stereo3d.h"
50#include "libavutil/timecode.h"
51#include "libavutil/color_utils.h"
52#include "hevc.h"
53#include "rtpenc.h"
54#include "mov_chan.h"
55#include "vpcc.h"
56
57static const AVOption options[] = {
58 { "movflags", "MOV muxer flags", offsetof(MOVMuxContext, flags), AV_OPT_TYPE_FLAGS, {.i64 = 0}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
59 { "rtphint", "Add RTP hint tracks", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_RTP_HINT}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
60 { "moov_size", "maximum moov size so it can be placed at the begin", offsetof(MOVMuxContext, reserved_moov_size), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, 0 },
61 { "empty_moov", "Make the initial moov atom empty", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_EMPTY_MOOV}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
62 { "frag_keyframe", "Fragment at video keyframes", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_FRAG_KEYFRAME}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
63 { "separate_moof", "Write separate moof/mdat atoms for each track", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_SEPARATE_MOOF}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
64 { "frag_custom", "Flush fragments on caller requests", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_FRAG_CUSTOM}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
65 { "isml", "Create a live smooth streaming feed (for pushing to a publishing point)", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_ISML}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
66 { "faststart", "Run a second pass to put the index (moov atom) at the beginning of the file", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_FASTSTART}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
67 { "omit_tfhd_offset", "Omit the base data offset in tfhd atoms", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_OMIT_TFHD_OFFSET}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
68 { "disable_chpl", "Disable Nero chapter atom", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_DISABLE_CHPL}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
69 { "default_base_moof", "Set the default-base-is-moof flag in tfhd atoms", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_DEFAULT_BASE_MOOF}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
70 { "dash", "Write DASH compatible fragmented MP4", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_DASH}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
71 { "frag_discont", "Signal that the next fragment is discontinuous from earlier ones", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_FRAG_DISCONT}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
72 { "delay_moov", "Delay writing the initial moov until the first fragment is cut, or until the first fragment flush", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_DELAY_MOOV}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
73 { "global_sidx", "Write a global sidx index at the start of the file", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_GLOBAL_SIDX}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
74 { "write_colr", "Write colr atom (Experimental, may be renamed or changed, do not use from scripts)", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_WRITE_COLR}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
75 { "write_gama", "Write deprecated gama atom", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_WRITE_GAMA}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
76 { "use_metadata_tags", "Use mdta atom for metadata.", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_USE_MDTA}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
77 { "skip_trailer", "Skip writing the mfra/tfra/mfro trailer for fragmented files", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_SKIP_TRAILER}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
78 FF_RTP_FLAG_OPTS(MOVMuxContext, rtp_flags),
79 { "skip_iods", "Skip writing iods atom.", offsetof(MOVMuxContext, iods_skip), AV_OPT_TYPE_BOOL, {.i64 = 1}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
80 { "iods_audio_profile", "iods audio profile atom.", offsetof(MOVMuxContext, iods_audio_profile), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 255, AV_OPT_FLAG_ENCODING_PARAM},
81 { "iods_video_profile", "iods video profile atom.", offsetof(MOVMuxContext, iods_video_profile), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 255, AV_OPT_FLAG_ENCODING_PARAM},
82 { "frag_duration", "Maximum fragment duration", offsetof(MOVMuxContext, max_fragment_duration), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
83 { "min_frag_duration", "Minimum fragment duration", offsetof(MOVMuxContext, min_fragment_duration), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
84 { "frag_size", "Maximum fragment size", offsetof(MOVMuxContext, max_fragment_size), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
85 { "ism_lookahead", "Number of lookahead entries for ISM files", offsetof(MOVMuxContext, ism_lookahead), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
86 { "video_track_timescale", "set timescale of all video tracks", offsetof(MOVMuxContext, video_track_timescale), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
87 { "brand", "Override major brand", offsetof(MOVMuxContext, major_brand), AV_OPT_TYPE_STRING, {.str = NULL}, .flags = AV_OPT_FLAG_ENCODING_PARAM },
88 { "use_editlist", "use edit list", offsetof(MOVMuxContext, use_editlist), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, AV_OPT_FLAG_ENCODING_PARAM},
89 { "fragment_index", "Fragment number of the next fragment", offsetof(MOVMuxContext, fragments), AV_OPT_TYPE_INT, {.i64 = 1}, 1, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
90 { "mov_gamma", "gamma value for gama atom", offsetof(MOVMuxContext, gamma), AV_OPT_TYPE_FLOAT, {.dbl = 0.0 }, 0.0, 10, AV_OPT_FLAG_ENCODING_PARAM},
91 { "frag_interleave", "Interleave samples within fragments (max number of consecutive samples, lower is tighter interleaving, but with more overhead)", offsetof(MOVMuxContext, frag_interleave), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM },
92 { "encryption_scheme", "Configures the encryption scheme, allowed values are none, cenc-aes-ctr", offsetof(MOVMuxContext, encryption_scheme_str), AV_OPT_TYPE_STRING, {.str = NULL}, .flags = AV_OPT_FLAG_ENCODING_PARAM },
93 { "encryption_key", "The media encryption key (hex)", offsetof(MOVMuxContext, encryption_key), AV_OPT_TYPE_BINARY, .flags = AV_OPT_FLAG_ENCODING_PARAM },
94 { "encryption_kid", "The media encryption key identifier (hex)", offsetof(MOVMuxContext, encryption_kid), AV_OPT_TYPE_BINARY, .flags = AV_OPT_FLAG_ENCODING_PARAM },
95 { "use_stream_ids_as_track_ids", "use stream ids as track ids", offsetof(MOVMuxContext, use_stream_ids_as_track_ids), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
96 { "write_tmcd", "force or disable writing tmcd", offsetof(MOVMuxContext, write_tmcd), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, AV_OPT_FLAG_ENCODING_PARAM},
97 { NULL },
98};
99
100#define MOV_CLASS(flavor)\
101static const AVClass flavor ## _muxer_class = {\
102 .class_name = #flavor " muxer",\
103 .item_name = av_default_item_name,\
104 .option = options,\
105 .version = LIBAVUTIL_VERSION_INT,\
106};
107
108static int get_moov_size(AVFormatContext *s);
109
110static int utf8len(const uint8_t *b)
111{
112 int len = 0;
113 int val;
114 while (*b) {
115 GET_UTF8(val, *b++, return -1;)
116 len++;
117 }
118 return len;
119}
120
121//FIXME support 64 bit variant with wide placeholders
122static int64_t update_size(AVIOContext *pb, int64_t pos)
123{
124 int64_t curpos = avio_tell(pb);
125 avio_seek(pb, pos, SEEK_SET);
126 avio_wb32(pb, curpos - pos); /* rewrite size */
127 avio_seek(pb, curpos, SEEK_SET);
128
129 return curpos - pos;
130}
131
132static int co64_required(const MOVTrack *track)
133{
134 if (track->entry > 0 && track->cluster[track->entry - 1].pos + track->data_offset > UINT32_MAX)
135 return 1;
136 return 0;
137}
138
139/* Chunk offset atom */
140static int mov_write_stco_tag(AVIOContext *pb, MOVTrack *track)
141{
142 int i;
143 int mode64 = co64_required(track); // use 32 bit size variant if possible
144 int64_t pos = avio_tell(pb);
145 avio_wb32(pb, 0); /* size */
146 if (mode64)
147 ffio_wfourcc(pb, "co64");
148 else
149 ffio_wfourcc(pb, "stco");
150 avio_wb32(pb, 0); /* version & flags */
151 avio_wb32(pb, track->chunkCount); /* entry count */
152 for (i = 0; i < track->entry; i++) {
153 if (!track->cluster[i].chunkNum)
154 continue;
155 if (mode64 == 1)
156 avio_wb64(pb, track->cluster[i].pos + track->data_offset);
157 else
158 avio_wb32(pb, track->cluster[i].pos + track->data_offset);
159 }
160 return update_size(pb, pos);
161}
162
163/* Sample size atom */
164static int mov_write_stsz_tag(AVIOContext *pb, MOVTrack *track)
165{
166 int equalChunks = 1;
167 int i, j, entries = 0, tst = -1, oldtst = -1;
168
169 int64_t pos = avio_tell(pb);
170 avio_wb32(pb, 0); /* size */
171 ffio_wfourcc(pb, "stsz");
172 avio_wb32(pb, 0); /* version & flags */
173
174 for (i = 0; i < track->entry; i++) {
175 tst = track->cluster[i].size / track->cluster[i].entries;
176 if (oldtst != -1 && tst != oldtst)
177 equalChunks = 0;
178 oldtst = tst;
179 entries += track->cluster[i].entries;
180 }
181 if (equalChunks && track->entry) {
182 int sSize = track->entry ? track->cluster[0].size / track->cluster[0].entries : 0;
183 sSize = FFMAX(1, sSize); // adpcm mono case could make sSize == 0
184 avio_wb32(pb, sSize); // sample size
185 avio_wb32(pb, entries); // sample count
186 } else {
187 avio_wb32(pb, 0); // sample size
188 avio_wb32(pb, entries); // sample count
189 for (i = 0; i < track->entry; i++) {
190 for (j = 0; j < track->cluster[i].entries; j++) {
191 avio_wb32(pb, track->cluster[i].size /
192 track->cluster[i].entries);
193 }
194 }
195 }
196 return update_size(pb, pos);
197}
198
199/* Sample to chunk atom */
200static int mov_write_stsc_tag(AVIOContext *pb, MOVTrack *track)
201{
202 int index = 0, oldval = -1, i;
203 int64_t entryPos, curpos;
204
205 int64_t pos = avio_tell(pb);
206 avio_wb32(pb, 0); /* size */
207 ffio_wfourcc(pb, "stsc");
208 avio_wb32(pb, 0); // version & flags
209 entryPos = avio_tell(pb);
210 avio_wb32(pb, track->chunkCount); // entry count
211 for (i = 0; i < track->entry; i++) {
212 if (oldval != track->cluster[i].samples_in_chunk && track->cluster[i].chunkNum) {
213 avio_wb32(pb, track->cluster[i].chunkNum); // first chunk
214 avio_wb32(pb, track->cluster[i].samples_in_chunk); // samples per chunk
215 avio_wb32(pb, 0x1); // sample description index
216 oldval = track->cluster[i].samples_in_chunk;
217 index++;
218 }
219 }
220 curpos = avio_tell(pb);
221 avio_seek(pb, entryPos, SEEK_SET);
222 avio_wb32(pb, index); // rewrite size
223 avio_seek(pb, curpos, SEEK_SET);
224
225 return update_size(pb, pos);
226}
227
228/* Sync sample atom */
229static int mov_write_stss_tag(AVIOContext *pb, MOVTrack *track, uint32_t flag)
230{
231 int64_t curpos, entryPos;
232 int i, index = 0;
233 int64_t pos = avio_tell(pb);
234 avio_wb32(pb, 0); // size
235 ffio_wfourcc(pb, flag == MOV_SYNC_SAMPLE ? "stss" : "stps");
236 avio_wb32(pb, 0); // version & flags
237 entryPos = avio_tell(pb);
238 avio_wb32(pb, track->entry); // entry count
239 for (i = 0; i < track->entry; i++) {
240 if (track->cluster[i].flags & flag) {
241 avio_wb32(pb, i + 1);
242 index++;
243 }
244 }
245 curpos = avio_tell(pb);
246 avio_seek(pb, entryPos, SEEK_SET);
247 avio_wb32(pb, index); // rewrite size
248 avio_seek(pb, curpos, SEEK_SET);
249 return update_size(pb, pos);
250}
251
252static int mov_write_amr_tag(AVIOContext *pb, MOVTrack *track)
253{
254 avio_wb32(pb, 0x11); /* size */
255 if (track->mode == MODE_MOV) ffio_wfourcc(pb, "samr");
256 else ffio_wfourcc(pb, "damr");
257 ffio_wfourcc(pb, "FFMP");
258 avio_w8(pb, 0); /* decoder version */
259
260 avio_wb16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
261 avio_w8(pb, 0x00); /* Mode change period (no restriction) */
262 avio_w8(pb, 0x01); /* Frames per sample */
263 return 0x11;
264}
265
266static int mov_write_ac3_tag(AVIOContext *pb, MOVTrack *track)
267{
268 GetBitContext gbc;
269 PutBitContext pbc;
270 uint8_t buf[3];
271 int fscod, bsid, bsmod, acmod, lfeon, frmsizecod;
272
273 if (track->vos_len < 7)
274 return -1;
275
276 avio_wb32(pb, 11);
277 ffio_wfourcc(pb, "dac3");
278
279 init_get_bits(&gbc, track->vos_data + 4, (track->vos_len - 4) * 8);
280 fscod = get_bits(&gbc, 2);
281 frmsizecod = get_bits(&gbc, 6);
282 bsid = get_bits(&gbc, 5);
283 bsmod = get_bits(&gbc, 3);
284 acmod = get_bits(&gbc, 3);
285 if (acmod == 2) {
286 skip_bits(&gbc, 2); // dsurmod
287 } else {
288 if ((acmod & 1) && acmod != 1)
289 skip_bits(&gbc, 2); // cmixlev
290 if (acmod & 4)
291 skip_bits(&gbc, 2); // surmixlev
292 }
293 lfeon = get_bits1(&gbc);
294
295 init_put_bits(&pbc, buf, sizeof(buf));
296 put_bits(&pbc, 2, fscod);
297 put_bits(&pbc, 5, bsid);
298 put_bits(&pbc, 3, bsmod);
299 put_bits(&pbc, 3, acmod);
300 put_bits(&pbc, 1, lfeon);
301 put_bits(&pbc, 5, frmsizecod >> 1); // bit_rate_code
302 put_bits(&pbc, 5, 0); // reserved
303
304 flush_put_bits(&pbc);
305 avio_write(pb, buf, sizeof(buf));
306
307 return 11;
308}
309
310struct eac3_info {
311 AVPacket pkt;
312 uint8_t ec3_done;
313 uint8_t num_blocks;
314
315 /* Layout of the EC3SpecificBox */
316 /* maximum bitrate */
317 uint16_t data_rate;
318 /* number of independent substreams */
319 uint8_t num_ind_sub;
320 struct {
321 /* sample rate code (see ff_ac3_sample_rate_tab) 2 bits */
322 uint8_t fscod;
323 /* bit stream identification 5 bits */
324 uint8_t bsid;
325 /* one bit reserved */
326 /* audio service mixing (not supported yet) 1 bit */
327 /* bit stream mode 3 bits */
328 uint8_t bsmod;
329 /* audio coding mode 3 bits */
330 uint8_t acmod;
331 /* sub woofer on 1 bit */
332 uint8_t lfeon;
333 /* 3 bits reserved */
334 /* number of dependent substreams associated with this substream 4 bits */
335 uint8_t num_dep_sub;
336 /* channel locations of the dependent substream(s), if any, 9 bits */
337 uint16_t chan_loc;
338 /* if there is no dependent substream, then one bit reserved instead */
339 } substream[1]; /* TODO: support 8 independent substreams */
340};
341
342#if CONFIG_AC3_PARSER
343static int handle_eac3(MOVMuxContext *mov, AVPacket *pkt, MOVTrack *track)
344{
345 GetBitContext gbc;
346 AC3HeaderInfo tmp, *hdr = &tmp;
347 struct eac3_info *info;
348 int num_blocks;
349
350 if (!track->eac3_priv && !(track->eac3_priv = av_mallocz(sizeof(*info))))
351 return AVERROR(ENOMEM);
352 info = track->eac3_priv;
353
354 init_get_bits(&gbc, pkt->data, pkt->size * 8);
355 if (avpriv_ac3_parse_header(&gbc, &hdr) < 0) {
356 /* drop the packets until we see a good one */
357 if (!track->entry) {
358 av_log(mov, AV_LOG_WARNING, "Dropping invalid packet from start of the stream\n");
359 return 0;
360 }
361 return AVERROR_INVALIDDATA;
362 }
363
364 info->data_rate = FFMAX(info->data_rate, hdr->bit_rate / 1000);
365 num_blocks = hdr->num_blocks;
366
367 if (!info->ec3_done) {
368 /* AC-3 substream must be the first one */
369 if (hdr->bitstream_id <= 10 && hdr->substreamid != 0)
370 return AVERROR(EINVAL);
371
372 /* this should always be the case, given that our AC-3 parser
373 * concatenates dependent frames to their independent parent */
374 if (hdr->frame_type == EAC3_FRAME_TYPE_INDEPENDENT) {
375 /* substream ids must be incremental */
376 if (hdr->substreamid > info->num_ind_sub + 1)
377 return AVERROR(EINVAL);
378
379 if (hdr->substreamid == info->num_ind_sub + 1) {
380 //info->num_ind_sub++;
381 avpriv_request_sample(track->par, "Multiple independent substreams");
382 return AVERROR_PATCHWELCOME;
383 } else if (hdr->substreamid < info->num_ind_sub ||
384 hdr->substreamid == 0 && info->substream[0].bsid) {
385 info->ec3_done = 1;
386 goto concatenate;
387 }
388 }
389
390 /* fill the info needed for the "dec3" atom */
391 info->substream[hdr->substreamid].fscod = hdr->sr_code;
392 info->substream[hdr->substreamid].bsid = hdr->bitstream_id;
393 info->substream[hdr->substreamid].bsmod = hdr->bitstream_mode;
394 info->substream[hdr->substreamid].acmod = hdr->channel_mode;
395 info->substream[hdr->substreamid].lfeon = hdr->lfe_on;
396
397 /* Parse dependent substream(s), if any */
398 if (pkt->size != hdr->frame_size) {
399 int cumul_size = hdr->frame_size;
400 int parent = hdr->substreamid;
401
402 while (cumul_size != pkt->size) {
403 int i;
404 init_get_bits(&gbc, pkt->data + cumul_size, (pkt->size - cumul_size) * 8);
405 if (avpriv_ac3_parse_header(&gbc, &hdr) < 0)
406 return AVERROR_INVALIDDATA;
407 if (hdr->frame_type != EAC3_FRAME_TYPE_DEPENDENT)
408 return AVERROR(EINVAL);
409 cumul_size += hdr->frame_size;
410 info->substream[parent].num_dep_sub++;
411
412 /* header is parsed up to lfeon, but custom channel map may be needed */
413 /* skip bsid */
414 skip_bits(&gbc, 5);
415 /* skip volume control params */
416 for (i = 0; i < (hdr->channel_mode ? 1 : 2); i++) {
417 skip_bits(&gbc, 5); // skip dialog normalization
418 if (get_bits1(&gbc)) {
419 skip_bits(&gbc, 8); // skip compression gain word
420 }
421 }
422 /* get the dependent stream channel map, if exists */
423 if (get_bits1(&gbc))
424 info->substream[parent].chan_loc |= (get_bits(&gbc, 16) >> 5) & 0x1f;
425 else
426 info->substream[parent].chan_loc |= hdr->channel_mode;
427 }
428 }
429 }
430
431concatenate:
432 if (!info->num_blocks && num_blocks == 6)
433 return pkt->size;
434 else if (info->num_blocks + num_blocks > 6)
435 return AVERROR_INVALIDDATA;
436
437 if (!info->num_blocks) {
438 int ret;
439 if ((ret = av_copy_packet(&info->pkt, pkt)) < 0)
440 return ret;
441 info->num_blocks = num_blocks;
442 return 0;
443 } else {
444 int ret;
445 if ((ret = av_grow_packet(&info->pkt, pkt->size)) < 0)
446 return ret;
447 memcpy(info->pkt.data + info->pkt.size - pkt->size, pkt->data, pkt->size);
448 info->num_blocks += num_blocks;
449 info->pkt.duration += pkt->duration;
450 if ((ret = av_copy_packet_side_data(&info->pkt, pkt)) < 0)
451 return ret;
452 if (info->num_blocks != 6)
453 return 0;
454 av_packet_unref(pkt);
455 if ((ret = av_copy_packet(pkt, &info->pkt)) < 0)
456 return ret;
457 av_packet_unref(&info->pkt);
458 info->num_blocks = 0;
459 }
460
461 return pkt->size;
462}
463#endif
464
465static int mov_write_eac3_tag(AVIOContext *pb, MOVTrack *track)
466{
467 PutBitContext pbc;
468 uint8_t *buf;
469 struct eac3_info *info;
470 int size, i;
471
472 if (!track->eac3_priv)
473 return AVERROR(EINVAL);
474
475 info = track->eac3_priv;
476 size = 2 + 4 * (info->num_ind_sub + 1);
477 buf = av_malloc(size);
478 if (!buf) {
479 size = AVERROR(ENOMEM);
480 goto end;
481 }
482
483 init_put_bits(&pbc, buf, size);
484 put_bits(&pbc, 13, info->data_rate);
485 put_bits(&pbc, 3, info->num_ind_sub);
486 for (i = 0; i <= info->num_ind_sub; i++) {
487 put_bits(&pbc, 2, info->substream[i].fscod);
488 put_bits(&pbc, 5, info->substream[i].bsid);
489 put_bits(&pbc, 1, 0); /* reserved */
490 put_bits(&pbc, 1, 0); /* asvc */
491 put_bits(&pbc, 3, info->substream[i].bsmod);
492 put_bits(&pbc, 3, info->substream[i].acmod);
493 put_bits(&pbc, 1, info->substream[i].lfeon);
494 put_bits(&pbc, 5, 0); /* reserved */
495 put_bits(&pbc, 4, info->substream[i].num_dep_sub);
496 if (!info->substream[i].num_dep_sub) {
497 put_bits(&pbc, 1, 0); /* reserved */
498 size--;
499 } else {
500 put_bits(&pbc, 9, info->substream[i].chan_loc);
501 }
502 }
503 flush_put_bits(&pbc);
504
505 avio_wb32(pb, size + 8);
506 ffio_wfourcc(pb, "dec3");
507 avio_write(pb, buf, size);
508
509 av_free(buf);
510
511end:
512 av_packet_unref(&info->pkt);
513 av_freep(&track->eac3_priv);
514
515 return size;
516}
517
518/**
519 * This function writes extradata "as is".
520 * Extradata must be formatted like a valid atom (with size and tag).
521 */
522static int mov_write_extradata_tag(AVIOContext *pb, MOVTrack *track)
523{
524 avio_write(pb, track->par->extradata, track->par->extradata_size);
525 return track->par->extradata_size;
526}
527
528static int mov_write_enda_tag(AVIOContext *pb)
529{
530 avio_wb32(pb, 10);
531 ffio_wfourcc(pb, "enda");
532 avio_wb16(pb, 1); /* little endian */
533 return 10;
534}
535
536static int mov_write_enda_tag_be(AVIOContext *pb)
537{
538 avio_wb32(pb, 10);
539 ffio_wfourcc(pb, "enda");
540 avio_wb16(pb, 0); /* big endian */
541 return 10;
542}
543
544static void put_descr(AVIOContext *pb, int tag, unsigned int size)
545{
546 int i = 3;
547 avio_w8(pb, tag);
548 for (; i > 0; i--)
549 avio_w8(pb, (size >> (7 * i)) | 0x80);
550 avio_w8(pb, size & 0x7F);
551}
552
553static unsigned compute_avg_bitrate(MOVTrack *track)
554{
555 uint64_t size = 0;
556 int i;
557 if (!track->track_duration)
558 return 0;
559 for (i = 0; i < track->entry; i++)
560 size += track->cluster[i].size;
561 return size * 8 * track->timescale / track->track_duration;
562}
563
564static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track) // Basic
565{
566 AVCPBProperties *props;
567 int64_t pos = avio_tell(pb);
568 int decoder_specific_info_len = track->vos_len ? 5 + track->vos_len : 0;
569 unsigned avg_bitrate;
570
571 avio_wb32(pb, 0); // size
572 ffio_wfourcc(pb, "esds");
573 avio_wb32(pb, 0); // Version
574
575 // ES descriptor
576 put_descr(pb, 0x03, 3 + 5+13 + decoder_specific_info_len + 5+1);
577 avio_wb16(pb, track->track_id);
578 avio_w8(pb, 0x00); // flags (= no flags)
579
580 // DecoderConfig descriptor
581 put_descr(pb, 0x04, 13 + decoder_specific_info_len);
582
583 // Object type indication
584 if ((track->par->codec_id == AV_CODEC_ID_MP2 ||
585 track->par->codec_id == AV_CODEC_ID_MP3) &&
586 track->par->sample_rate > 24000)
587 avio_w8(pb, 0x6B); // 11172-3
588 else
589 avio_w8(pb, ff_codec_get_tag(ff_mp4_obj_type, track->par->codec_id));
590
591 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
592 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
593 if (track->par->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
594 avio_w8(pb, (0x38 << 2) | 1); // flags (= NeroSubpicStream)
595 else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
596 avio_w8(pb, 0x15); // flags (= Audiostream)
597 else
598 avio_w8(pb, 0x11); // flags (= Visualstream)
599
600 props = (AVCPBProperties*)av_stream_get_side_data(track->st, AV_PKT_DATA_CPB_PROPERTIES,
601 NULL);
602
603 avio_wb24(pb, props ? props->buffer_size / 8 : 0); // Buffersize DB
604
605 avg_bitrate = compute_avg_bitrate(track);
606 avio_wb32(pb, props ? FFMAX3(props->max_bitrate, props->avg_bitrate, avg_bitrate) : FFMAX(track->par->bit_rate, avg_bitrate)); // maxbitrate (FIXME should be max rate in any 1 sec window)
607 avio_wb32(pb, avg_bitrate);
608
609 if (track->vos_len) {
610 // DecoderSpecific info descriptor
611 put_descr(pb, 0x05, track->vos_len);
612 avio_write(pb, track->vos_data, track->vos_len);
613 }
614
615 // SL descriptor
616 put_descr(pb, 0x06, 1);
617 avio_w8(pb, 0x02);
618 return update_size(pb, pos);
619}
620
621static int mov_pcm_le_gt16(enum AVCodecID codec_id)
622{
623 return codec_id == AV_CODEC_ID_PCM_S24LE ||
624 codec_id == AV_CODEC_ID_PCM_S32LE ||
625 codec_id == AV_CODEC_ID_PCM_F32LE ||
626 codec_id == AV_CODEC_ID_PCM_F64LE;
627}
628
629static int mov_pcm_be_gt16(enum AVCodecID codec_id)
630{
631 return codec_id == AV_CODEC_ID_PCM_S24BE ||
632 codec_id == AV_CODEC_ID_PCM_S32BE ||
633 codec_id == AV_CODEC_ID_PCM_F32BE ||
634 codec_id == AV_CODEC_ID_PCM_F64BE;
635}
636
637static int mov_write_ms_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
638{
639 int ret;
640 int64_t pos = avio_tell(pb);
641 avio_wb32(pb, 0);
642 avio_wl32(pb, track->tag); // store it byteswapped
643 track->par->codec_tag = av_bswap16(track->tag >> 16);
644 if ((ret = ff_put_wav_header(s, pb, track->par, 0)) < 0)
645 return ret;
646 return update_size(pb, pos);
647}
648
649static int mov_write_wfex_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
650{
651 int ret;
652 int64_t pos = avio_tell(pb);
653 avio_wb32(pb, 0);
654 ffio_wfourcc(pb, "wfex");
655 if ((ret = ff_put_wav_header(s, pb, track->st->codecpar, FF_PUT_WAV_HEADER_FORCE_WAVEFORMATEX)) < 0)
656 return ret;
657 return update_size(pb, pos);
658}
659
660static int mov_write_dfla_tag(AVIOContext *pb, MOVTrack *track)
661{
662 int64_t pos = avio_tell(pb);
663 avio_wb32(pb, 0);
664 ffio_wfourcc(pb, "dfLa");
665 avio_w8(pb, 0); /* version */
666 avio_wb24(pb, 0); /* flags */
667
668 /* Expect the encoder to pass a METADATA_BLOCK_TYPE_STREAMINFO. */
669 if (track->par->extradata_size != FLAC_STREAMINFO_SIZE)
670 return AVERROR_INVALIDDATA;
671
672 /* TODO: Write other METADATA_BLOCK_TYPEs if the encoder makes them available. */
673 avio_w8(pb, 1 << 7 | FLAC_METADATA_TYPE_STREAMINFO); /* LastMetadataBlockFlag << 7 | BlockType */
674 avio_wb24(pb, track->par->extradata_size); /* Length */
675 avio_write(pb, track->par->extradata, track->par->extradata_size); /* BlockData[Length] */
676
677 return update_size(pb, pos);
678}
679
680static int mov_write_chan_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
681{
682 uint32_t layout_tag, bitmap;
683 int64_t pos = avio_tell(pb);
684
685 layout_tag = ff_mov_get_channel_layout_tag(track->par->codec_id,
686 track->par->channel_layout,
687 &bitmap);
688 if (!layout_tag) {
689 av_log(s, AV_LOG_WARNING, "not writing 'chan' tag due to "
690 "lack of channel information\n");
691 return 0;
692 }
693
694 if (track->multichannel_as_mono)
695 return 0;
696
697 avio_wb32(pb, 0); // Size
698 ffio_wfourcc(pb, "chan"); // Type
699 avio_w8(pb, 0); // Version
700 avio_wb24(pb, 0); // Flags
701 avio_wb32(pb, layout_tag); // mChannelLayoutTag
702 avio_wb32(pb, bitmap); // mChannelBitmap
703 avio_wb32(pb, 0); // mNumberChannelDescriptions
704
705 return update_size(pb, pos);
706}
707
708static int mov_write_wave_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
709{
710 int64_t pos = avio_tell(pb);
711
712 avio_wb32(pb, 0); /* size */
713 ffio_wfourcc(pb, "wave");
714
715 if (track->par->codec_id != AV_CODEC_ID_QDM2) {
716 avio_wb32(pb, 12); /* size */
717 ffio_wfourcc(pb, "frma");
718 avio_wl32(pb, track->tag);
719 }
720
721 if (track->par->codec_id == AV_CODEC_ID_AAC) {
722 /* useless atom needed by mplayer, ipod, not needed by quicktime */
723 avio_wb32(pb, 12); /* size */
724 ffio_wfourcc(pb, "mp4a");
725 avio_wb32(pb, 0);
726 mov_write_esds_tag(pb, track);
727 } else if (mov_pcm_le_gt16(track->par->codec_id)) {
728 mov_write_enda_tag(pb);
729 } else if (mov_pcm_be_gt16(track->par->codec_id)) {
730 mov_write_enda_tag_be(pb);
731 } else if (track->par->codec_id == AV_CODEC_ID_AMR_NB) {
732 mov_write_amr_tag(pb, track);
733 } else if (track->par->codec_id == AV_CODEC_ID_AC3) {
734 mov_write_ac3_tag(pb, track);
735 } else if (track->par->codec_id == AV_CODEC_ID_EAC3) {
736 mov_write_eac3_tag(pb, track);
737 } else if (track->par->codec_id == AV_CODEC_ID_ALAC ||
738 track->par->codec_id == AV_CODEC_ID_QDM2) {
739 mov_write_extradata_tag(pb, track);
740 } else if (track->par->codec_id == AV_CODEC_ID_ADPCM_MS ||
741 track->par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
742 mov_write_ms_tag(s, pb, track);
743 }
744
745 avio_wb32(pb, 8); /* size */
746 avio_wb32(pb, 0); /* null tag */
747
748 return update_size(pb, pos);
749}
750
751static int mov_write_dvc1_structs(MOVTrack *track, uint8_t *buf)
752{
753 uint8_t *unescaped;
754 const uint8_t *start, *next, *end = track->vos_data + track->vos_len;
755 int unescaped_size, seq_found = 0;
756 int level = 0, interlace = 0;
757 int packet_seq = track->vc1_info.packet_seq;
758 int packet_entry = track->vc1_info.packet_entry;
759 int slices = track->vc1_info.slices;
760 PutBitContext pbc;
761
762 if (track->start_dts == AV_NOPTS_VALUE) {
763 /* No packets written yet, vc1_info isn't authoritative yet. */
764 /* Assume inline sequence and entry headers. */
765 packet_seq = packet_entry = 1;
766 av_log(NULL, AV_LOG_WARNING,
767 "moov atom written before any packets, unable to write correct "
768 "dvc1 atom. Set the delay_moov flag to fix this.\n");
769 }
770
771 unescaped = av_mallocz(track->vos_len + AV_INPUT_BUFFER_PADDING_SIZE);
772 if (!unescaped)
773 return AVERROR(ENOMEM);
774 start = find_next_marker(track->vos_data, end);
775 for (next = start; next < end; start = next) {
776 GetBitContext gb;
777 int size;
778 next = find_next_marker(start + 4, end);
779 size = next - start - 4;
780 if (size <= 0)
781 continue;
782 unescaped_size = vc1_unescape_buffer(start + 4, size, unescaped);
783 init_get_bits(&gb, unescaped, 8 * unescaped_size);
784 if (AV_RB32(start) == VC1_CODE_SEQHDR) {
785 int profile = get_bits(&gb, 2);
786 if (profile != PROFILE_ADVANCED) {
787 av_free(unescaped);
788 return AVERROR(ENOSYS);
789 }
790 seq_found = 1;
791 level = get_bits(&gb, 3);
792 /* chromaformat, frmrtq_postproc, bitrtq_postproc, postprocflag,
793 * width, height */
794 skip_bits_long(&gb, 2 + 3 + 5 + 1 + 2*12);
795 skip_bits(&gb, 1); /* broadcast */
796 interlace = get_bits1(&gb);
797 skip_bits(&gb, 4); /* tfcntrflag, finterpflag, reserved, psf */
798 }
799 }
800 if (!seq_found) {
801 av_free(unescaped);
802 return AVERROR(ENOSYS);
803 }
804
805 init_put_bits(&pbc, buf, 7);
806 /* VC1DecSpecStruc */
807 put_bits(&pbc, 4, 12); /* profile - advanced */
808 put_bits(&pbc, 3, level);
809 put_bits(&pbc, 1, 0); /* reserved */
810 /* VC1AdvDecSpecStruc */
811 put_bits(&pbc, 3, level);
812 put_bits(&pbc, 1, 0); /* cbr */
813 put_bits(&pbc, 6, 0); /* reserved */
814 put_bits(&pbc, 1, !interlace); /* no interlace */
815 put_bits(&pbc, 1, !packet_seq); /* no multiple seq */
816 put_bits(&pbc, 1, !packet_entry); /* no multiple entry */
817 put_bits(&pbc, 1, !slices); /* no slice code */
818 put_bits(&pbc, 1, 0); /* no bframe */
819 put_bits(&pbc, 1, 0); /* reserved */
820
821 /* framerate */
822 if (track->st->avg_frame_rate.num > 0 && track->st->avg_frame_rate.den > 0)
823 put_bits32(&pbc, track->st->avg_frame_rate.num / track->st->avg_frame_rate.den);
824 else
825 put_bits32(&pbc, 0xffffffff);
826
827 flush_put_bits(&pbc);
828
829 av_free(unescaped);
830
831 return 0;
832}
833
834static int mov_write_dvc1_tag(AVIOContext *pb, MOVTrack *track)
835{
836 uint8_t buf[7] = { 0 };
837 int ret;
838
839 if ((ret = mov_write_dvc1_structs(track, buf)) < 0)
840 return ret;
841
842 avio_wb32(pb, track->vos_len + 8 + sizeof(buf));
843 ffio_wfourcc(pb, "dvc1");
844 avio_write(pb, buf, sizeof(buf));
845 avio_write(pb, track->vos_data, track->vos_len);
846
847 return 0;
848}
849
850static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track)
851{
852 avio_wb32(pb, track->vos_len + 8);
853 ffio_wfourcc(pb, "glbl");
854 avio_write(pb, track->vos_data, track->vos_len);
855 return 8 + track->vos_len;
856}
857
858/**
859 * Compute flags for 'lpcm' tag.
860 * See CoreAudioTypes and AudioStreamBasicDescription at Apple.
861 */
862static int mov_get_lpcm_flags(enum AVCodecID codec_id)
863{
864 switch (codec_id) {
865 case AV_CODEC_ID_PCM_F32BE:
866 case AV_CODEC_ID_PCM_F64BE:
867 return 11;
868 case AV_CODEC_ID_PCM_F32LE:
869 case AV_CODEC_ID_PCM_F64LE:
870 return 9;
871 case AV_CODEC_ID_PCM_U8:
872 return 10;
873 case AV_CODEC_ID_PCM_S16BE:
874 case AV_CODEC_ID_PCM_S24BE:
875 case AV_CODEC_ID_PCM_S32BE:
876 return 14;
877 case AV_CODEC_ID_PCM_S8:
878 case AV_CODEC_ID_PCM_S16LE:
879 case AV_CODEC_ID_PCM_S24LE:
880 case AV_CODEC_ID_PCM_S32LE:
881 return 12;
882 default:
883 return 0;
884 }
885}
886
887static int get_cluster_duration(MOVTrack *track, int cluster_idx)
888{
889 int64_t next_dts;
890
891 if (cluster_idx >= track->entry)
892 return 0;
893
894 if (cluster_idx + 1 == track->entry)
895 next_dts = track->track_duration + track->start_dts;
896 else
897 next_dts = track->cluster[cluster_idx + 1].dts;
898
899 next_dts -= track->cluster[cluster_idx].dts;
900
901 av_assert0(next_dts >= 0);
902 av_assert0(next_dts <= INT_MAX);
903
904 return next_dts;
905}
906
907static int get_samples_per_packet(MOVTrack *track)
908{
909 int i, first_duration;
910
911// return track->par->frame_size;
912
913 /* use 1 for raw PCM */
914 if (!track->audio_vbr)
915 return 1;
916
917 /* check to see if duration is constant for all clusters */
918 if (!track->entry)
919 return 0;
920 first_duration = get_cluster_duration(track, 0);
921 for (i = 1; i < track->entry; i++) {
922 if (get_cluster_duration(track, i) != first_duration)
923 return 0;
924 }
925 return first_duration;
926}
927
928static int mov_write_audio_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
929{
930 int64_t pos = avio_tell(pb);
931 int version = 0;
932 uint32_t tag = track->tag;
933
934 if (track->mode == MODE_MOV) {
935 if (track->timescale > UINT16_MAX) {
936 if (mov_get_lpcm_flags(track->par->codec_id))
937 tag = AV_RL32("lpcm");
938 version = 2;
939 } else if (track->audio_vbr || mov_pcm_le_gt16(track->par->codec_id) ||
940 mov_pcm_be_gt16(track->par->codec_id) ||
941 track->par->codec_id == AV_CODEC_ID_ADPCM_MS ||
942 track->par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
943 track->par->codec_id == AV_CODEC_ID_QDM2) {
944 version = 1;
945 }
946 }
947
948 avio_wb32(pb, 0); /* size */
949 if (mov->encryption_scheme != MOV_ENC_NONE) {
950 ffio_wfourcc(pb, "enca");
951 } else {
952 avio_wl32(pb, tag); // store it byteswapped
953 }
954 avio_wb32(pb, 0); /* Reserved */
955 avio_wb16(pb, 0); /* Reserved */
956 avio_wb16(pb, 1); /* Data-reference index, XXX == 1 */
957
958 /* SoundDescription */
959 avio_wb16(pb, version); /* Version */
960 avio_wb16(pb, 0); /* Revision level */
961 avio_wb32(pb, 0); /* Reserved */
962
963 if (version == 2) {
964 avio_wb16(pb, 3);
965 avio_wb16(pb, 16);
966 avio_wb16(pb, 0xfffe);
967 avio_wb16(pb, 0);
968 avio_wb32(pb, 0x00010000);
969 avio_wb32(pb, 72);
970 avio_wb64(pb, av_double2int(track->par->sample_rate));
971 avio_wb32(pb, track->par->channels);
972 avio_wb32(pb, 0x7F000000);
973 avio_wb32(pb, av_get_bits_per_sample(track->par->codec_id));
974 avio_wb32(pb, mov_get_lpcm_flags(track->par->codec_id));
975 avio_wb32(pb, track->sample_size);
976 avio_wb32(pb, get_samples_per_packet(track));
977 } else {
978 if (track->mode == MODE_MOV) {
979 avio_wb16(pb, track->par->channels);
980 if (track->par->codec_id == AV_CODEC_ID_PCM_U8 ||
981 track->par->codec_id == AV_CODEC_ID_PCM_S8)
982 avio_wb16(pb, 8); /* bits per sample */
983 else if (track->par->codec_id == AV_CODEC_ID_ADPCM_G726)
984 avio_wb16(pb, track->par->bits_per_coded_sample);
985 else
986 avio_wb16(pb, 16);
987 avio_wb16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
988 } else { /* reserved for mp4/3gp */
989 if (track->par->codec_id == AV_CODEC_ID_FLAC) {
990 avio_wb16(pb, track->par->channels);
991 avio_wb16(pb, track->par->bits_per_raw_sample);
992 } else {
993 avio_wb16(pb, 2);
994 avio_wb16(pb, 16);
995 }
996 avio_wb16(pb, 0);
997 }
998
999 avio_wb16(pb, 0); /* packet size (= 0) */
1000 avio_wb16(pb, track->par->sample_rate <= UINT16_MAX ?
1001 track->par->sample_rate : 0);
1002 avio_wb16(pb, 0); /* Reserved */
1003 }
1004
1005 if (version == 1) { /* SoundDescription V1 extended info */
1006 if (mov_pcm_le_gt16(track->par->codec_id) ||
1007 mov_pcm_be_gt16(track->par->codec_id))
1008 avio_wb32(pb, 1); /* must be 1 for uncompressed formats */
1009 else
1010 avio_wb32(pb, track->par->frame_size); /* Samples per packet */
1011 avio_wb32(pb, track->sample_size / track->par->channels); /* Bytes per packet */
1012 avio_wb32(pb, track->sample_size); /* Bytes per frame */
1013 avio_wb32(pb, 2); /* Bytes per sample */
1014 }
1015
1016 if (track->mode == MODE_MOV &&
1017 (track->par->codec_id == AV_CODEC_ID_AAC ||
1018 track->par->codec_id == AV_CODEC_ID_AC3 ||
1019 track->par->codec_id == AV_CODEC_ID_EAC3 ||
1020 track->par->codec_id == AV_CODEC_ID_AMR_NB ||
1021 track->par->codec_id == AV_CODEC_ID_ALAC ||
1022 track->par->codec_id == AV_CODEC_ID_ADPCM_MS ||
1023 track->par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
1024 track->par->codec_id == AV_CODEC_ID_QDM2 ||
1025 (mov_pcm_le_gt16(track->par->codec_id) && version==1) ||
1026 (mov_pcm_be_gt16(track->par->codec_id) && version==1)))
1027 mov_write_wave_tag(s, pb, track);
1028 else if (track->tag == MKTAG('m','p','4','a'))
1029 mov_write_esds_tag(pb, track);
1030 else if (track->par->codec_id == AV_CODEC_ID_AMR_NB)
1031 mov_write_amr_tag(pb, track);
1032 else if (track->par->codec_id == AV_CODEC_ID_AC3)
1033 mov_write_ac3_tag(pb, track);
1034 else if (track->par->codec_id == AV_CODEC_ID_EAC3)
1035 mov_write_eac3_tag(pb, track);
1036 else if (track->par->codec_id == AV_CODEC_ID_ALAC)
1037 mov_write_extradata_tag(pb, track);
1038 else if (track->par->codec_id == AV_CODEC_ID_WMAPRO)
1039 mov_write_wfex_tag(s, pb, track);
1040 else if (track->par->codec_id == AV_CODEC_ID_FLAC)
1041 mov_write_dfla_tag(pb, track);
1042 else if (track->vos_len > 0)
1043 mov_write_glbl_tag(pb, track);
1044
1045 if (track->mode == MODE_MOV && track->par->codec_type == AVMEDIA_TYPE_AUDIO)
1046 mov_write_chan_tag(s, pb, track);
1047
1048 if (mov->encryption_scheme != MOV_ENC_NONE) {
1049 ff_mov_cenc_write_sinf_tag(track, pb, mov->encryption_kid);
1050 }
1051
1052 return update_size(pb, pos);
1053}
1054
1055static int mov_write_d263_tag(AVIOContext *pb)
1056{
1057 avio_wb32(pb, 0xf); /* size */
1058 ffio_wfourcc(pb, "d263");
1059 ffio_wfourcc(pb, "FFMP");
1060 avio_w8(pb, 0); /* decoder version */
1061 /* FIXME use AVCodecContext level/profile, when encoder will set values */
1062 avio_w8(pb, 0xa); /* level */
1063 avio_w8(pb, 0); /* profile */
1064 return 0xf;
1065}
1066
1067static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
1068{
1069 int64_t pos = avio_tell(pb);
1070
1071 avio_wb32(pb, 0);
1072 ffio_wfourcc(pb, "avcC");
1073 ff_isom_write_avcc(pb, track->vos_data, track->vos_len);
1074 return update_size(pb, pos);
1075}
1076
1077static int mov_write_vpcc_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
1078{
1079 int64_t pos = avio_tell(pb);
1080
1081 avio_wb32(pb, 0);
1082 ffio_wfourcc(pb, "vpcC");
1083 avio_wb32(pb, 0); /* version & flags */
1084 ff_isom_write_vpcc(s, pb, track->par);
1085 return update_size(pb, pos);
1086}
1087
1088static int mov_write_hvcc_tag(AVIOContext *pb, MOVTrack *track)
1089{
1090 int64_t pos = avio_tell(pb);
1091
1092 avio_wb32(pb, 0);
1093 ffio_wfourcc(pb, "hvcC");
1094 ff_isom_write_hvcc(pb, track->vos_data, track->vos_len, 0);
1095 return update_size(pb, pos);
1096}
1097
1098/* also used by all avid codecs (dv, imx, meridien) and their variants */
1099static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
1100{
1101 int i;
1102 int interlaced;
1103 int cid;
1104 int display_width = track->par->width;
1105
1106 if (track->vos_data && track->vos_len > 0x29) {
1107 if (ff_dnxhd_parse_header_prefix(track->vos_data) != 0) {
1108 /* looks like a DNxHD bit stream */
1109 interlaced = (track->vos_data[5] & 2);
1110 cid = AV_RB32(track->vos_data + 0x28);
1111 } else {
1112 av_log(NULL, AV_LOG_WARNING, "Could not locate DNxHD bit stream in vos_data\n");
1113 return 0;
1114 }
1115 } else {
1116 av_log(NULL, AV_LOG_WARNING, "Could not locate DNxHD bit stream, vos_data too small\n");
1117 return 0;
1118 }
1119
1120 avio_wb32(pb, 24); /* size */
1121 ffio_wfourcc(pb, "ACLR");
1122 ffio_wfourcc(pb, "ACLR");
1123 ffio_wfourcc(pb, "0001");
1124 if (track->par->color_range == AVCOL_RANGE_MPEG || /* Legal range (16-235) */
1125 track->par->color_range == AVCOL_RANGE_UNSPECIFIED) {
1126 avio_wb32(pb, 1); /* Corresponds to 709 in official encoder */
1127 } else { /* Full range (0-255) */
1128 avio_wb32(pb, 2); /* Corresponds to RGB in official encoder */
1129 }
1130 avio_wb32(pb, 0); /* unknown */
1131
1132 if (track->tag == MKTAG('A','V','d','h')) {
1133 avio_wb32(pb, 32);
1134 ffio_wfourcc(pb, "ADHR");
1135 ffio_wfourcc(pb, "0001");
1136 avio_wb32(pb, cid);
1137 avio_wb32(pb, 0); /* unknown */
1138 avio_wb32(pb, 1); /* unknown */
1139 avio_wb32(pb, 0); /* unknown */
1140 avio_wb32(pb, 0); /* unknown */
1141 return 0;
1142 }
1143
1144 avio_wb32(pb, 24); /* size */
1145 ffio_wfourcc(pb, "APRG");
1146 ffio_wfourcc(pb, "APRG");
1147 ffio_wfourcc(pb, "0001");
1148 avio_wb32(pb, 1); /* unknown */
1149 avio_wb32(pb, 0); /* unknown */
1150
1151 avio_wb32(pb, 120); /* size */
1152 ffio_wfourcc(pb, "ARES");
1153 ffio_wfourcc(pb, "ARES");
1154 ffio_wfourcc(pb, "0001");
1155 avio_wb32(pb, cid); /* dnxhd cid, some id ? */
1156 if ( track->par->sample_aspect_ratio.num > 0
1157 && track->par->sample_aspect_ratio.den > 0)
1158 display_width = display_width * track->par->sample_aspect_ratio.num / track->par->sample_aspect_ratio.den;
1159 avio_wb32(pb, display_width);
1160 /* values below are based on samples created with quicktime and avid codecs */
1161 if (interlaced) {
1162 avio_wb32(pb, track->par->height / 2);
1163 avio_wb32(pb, 2); /* unknown */
1164 avio_wb32(pb, 0); /* unknown */
1165 avio_wb32(pb, 4); /* unknown */
1166 } else {
1167 avio_wb32(pb, track->par->height);
1168 avio_wb32(pb, 1); /* unknown */
1169 avio_wb32(pb, 0); /* unknown */
1170 if (track->par->height == 1080)
1171 avio_wb32(pb, 5); /* unknown */
1172 else
1173 avio_wb32(pb, 6); /* unknown */
1174 }
1175 /* padding */
1176 for (i = 0; i < 10; i++)
1177 avio_wb64(pb, 0);
1178
1179 return 0;
1180}
1181
1182static int mov_write_dpxe_tag(AVIOContext *pb, MOVTrack *track)
1183{
1184 avio_wb32(pb, 12);
1185 ffio_wfourcc(pb, "DpxE");
1186 if (track->par->extradata_size >= 12 &&
1187 !memcmp(&track->par->extradata[4], "DpxE", 4)) {
1188 avio_wb32(pb, track->par->extradata[11]);
1189 } else {
1190 avio_wb32(pb, 1);
1191 }
1192 return 0;
1193}
1194
1195static int mp4_get_codec_tag(AVFormatContext *s, MOVTrack *track)
1196{
1197 int tag = track->par->codec_tag;
1198
1199 if (!ff_codec_get_tag(ff_mp4_obj_type, track->par->codec_id))
1200 return 0;
1201
1202 if (track->par->codec_id == AV_CODEC_ID_H264) tag = MKTAG('a','v','c','1');
1203 else if (track->par->codec_id == AV_CODEC_ID_HEVC) tag = MKTAG('h','e','v','1');
1204 else if (track->par->codec_id == AV_CODEC_ID_VP9) tag = MKTAG('v','p','0','9');
1205 else if (track->par->codec_id == AV_CODEC_ID_AC3) tag = MKTAG('a','c','-','3');
1206 else if (track->par->codec_id == AV_CODEC_ID_EAC3) tag = MKTAG('e','c','-','3');
1207 else if (track->par->codec_id == AV_CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c');
1208 else if (track->par->codec_id == AV_CODEC_ID_MOV_TEXT) tag = MKTAG('t','x','3','g');
1209 else if (track->par->codec_id == AV_CODEC_ID_VC1) tag = MKTAG('v','c','-','1');
1210 else if (track->par->codec_id == AV_CODEC_ID_FLAC) tag = MKTAG('f','L','a','C');
1211 else if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) tag = MKTAG('m','p','4','v');
1212 else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) tag = MKTAG('m','p','4','a');
1213 else if (track->par->codec_id == AV_CODEC_ID_DVD_SUBTITLE) tag = MKTAG('m','p','4','s');
1214
1215 return tag;
1216}
1217
1218static const AVCodecTag codec_ipod_tags[] = {
1219 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
1220 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
1221 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
1222 { AV_CODEC_ID_ALAC, MKTAG('a','l','a','c') },
1223 { AV_CODEC_ID_AC3, MKTAG('a','c','-','3') },
1224 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
1225 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
1226 { AV_CODEC_ID_NONE, 0 },
1227};
1228
1229static int ipod_get_codec_tag(AVFormatContext *s, MOVTrack *track)
1230{
1231 int tag = track->par->codec_tag;
1232
1233 // keep original tag for subs, ipod supports both formats
1234 if (!(track->par->codec_type == AVMEDIA_TYPE_SUBTITLE &&
1235 (tag == MKTAG('t', 'x', '3', 'g') ||
1236 tag == MKTAG('t', 'e', 'x', 't'))))
1237 tag = ff_codec_get_tag(codec_ipod_tags, track->par->codec_id);
1238
1239 if (!av_match_ext(s->filename, "m4a") &&
1240 !av_match_ext(s->filename, "m4b") &&
1241 !av_match_ext(s->filename, "m4v"))
1242 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a, .m4v nor .m4b "
1243 "Quicktime/Ipod might not play the file\n");
1244
1245 return tag;
1246}
1247
1248static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
1249{
1250 int tag;
1251
1252 if (track->par->width == 720) { /* SD */
1253 if (track->par->height == 480) { /* NTSC */
1254 if (track->par->format == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
1255 else tag = MKTAG('d','v','c',' ');
1256 }else if (track->par->format == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
1257 else if (track->par->format == AV_PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
1258 else tag = MKTAG('d','v','p','p');
1259 } else if (track->par->height == 720) { /* HD 720 line */
1260 if (track->st->time_base.den == 50) tag = MKTAG('d','v','h','q');
1261 else tag = MKTAG('d','v','h','p');
1262 } else if (track->par->height == 1080) { /* HD 1080 line */
1263 if (track->st->time_base.den == 25) tag = MKTAG('d','v','h','5');
1264 else tag = MKTAG('d','v','h','6');
1265 } else {
1266 av_log(s, AV_LOG_ERROR, "unsupported height for dv codec\n");
1267 return 0;
1268 }
1269
1270 return tag;
1271}
1272
1273static AVRational find_fps(AVFormatContext *s, AVStream *st)
1274{
1275 AVRational rate = st->avg_frame_rate;
1276
1277#if FF_API_LAVF_AVCTX
1278 FF_DISABLE_DEPRECATION_WARNINGS
1279 rate = av_inv_q(st->codec->time_base);
1280 if (av_timecode_check_frame_rate(rate) < 0) {
1281 av_log(s, AV_LOG_DEBUG, "timecode: tbc=%d/%d invalid, fallback on %d/%d\n",
1282 rate.num, rate.den, st->avg_frame_rate.num, st->avg_frame_rate.den);
1283 rate = st->avg_frame_rate;
1284 }
1285 FF_ENABLE_DEPRECATION_WARNINGS
1286#endif
1287
1288 return rate;
1289}
1290
1291static int mov_get_mpeg2_xdcam_codec_tag(AVFormatContext *s, MOVTrack *track)
1292{
1293 int tag = track->par->codec_tag;
1294 int interlaced = track->par->field_order > AV_FIELD_PROGRESSIVE;
1295 AVStream *st = track->st;
1296 int rate = av_q2d(find_fps(s, st));
1297
1298 if (!tag)
1299 tag = MKTAG('m', '2', 'v', '1'); //fallback tag
1300
1301 if (track->par->format == AV_PIX_FMT_YUV420P) {
1302 if (track->par->width == 1280 && track->par->height == 720) {
1303 if (!interlaced) {
1304 if (rate == 24) tag = MKTAG('x','d','v','4');
1305 else if (rate == 25) tag = MKTAG('x','d','v','5');
1306 else if (rate == 30) tag = MKTAG('x','d','v','1');
1307 else if (rate == 50) tag = MKTAG('x','d','v','a');
1308 else if (rate == 60) tag = MKTAG('x','d','v','9');
1309 }
1310 } else if (track->par->width == 1440 && track->par->height == 1080) {
1311 if (!interlaced) {
1312 if (rate == 24) tag = MKTAG('x','d','v','6');
1313 else if (rate == 25) tag = MKTAG('x','d','v','7');
1314 else if (rate == 30) tag = MKTAG('x','d','v','8');
1315 } else {
1316 if (rate == 25) tag = MKTAG('x','d','v','3');
1317 else if (rate == 30) tag = MKTAG('x','d','v','2');
1318 }
1319 } else if (track->par->width == 1920 && track->par->height == 1080) {
1320 if (!interlaced) {
1321 if (rate == 24) tag = MKTAG('x','d','v','d');
1322 else if (rate == 25) tag = MKTAG('x','d','v','e');
1323 else if (rate == 30) tag = MKTAG('x','d','v','f');
1324 } else {
1325 if (rate == 25) tag = MKTAG('x','d','v','c');
1326 else if (rate == 30) tag = MKTAG('x','d','v','b');
1327 }
1328 }
1329 } else if (track->par->format == AV_PIX_FMT_YUV422P) {
1330 if (track->par->width == 1280 && track->par->height == 720) {
1331 if (!interlaced) {
1332 if (rate == 24) tag = MKTAG('x','d','5','4');
1333 else if (rate == 25) tag = MKTAG('x','d','5','5');
1334 else if (rate == 30) tag = MKTAG('x','d','5','1');
1335 else if (rate == 50) tag = MKTAG('x','d','5','a');
1336 else if (rate == 60) tag = MKTAG('x','d','5','9');
1337 }
1338 } else if (track->par->width == 1920 && track->par->height == 1080) {
1339 if (!interlaced) {
1340 if (rate == 24) tag = MKTAG('x','d','5','d');
1341 else if (rate == 25) tag = MKTAG('x','d','5','e');
1342 else if (rate == 30) tag = MKTAG('x','d','5','f');
1343 } else {
1344 if (rate == 25) tag = MKTAG('x','d','5','c');
1345 else if (rate == 30) tag = MKTAG('x','d','5','b');
1346 }
1347 }
1348 }
1349
1350 return tag;
1351}
1352
1353static int mov_get_h264_codec_tag(AVFormatContext *s, MOVTrack *track)
1354{
1355 int tag = track->par->codec_tag;
1356 int interlaced = track->par->field_order > AV_FIELD_PROGRESSIVE;
1357 AVStream *st = track->st;
1358 int rate = av_q2d(find_fps(s, st));
1359
1360 if (!tag)
1361 tag = MKTAG('a', 'v', 'c', 'i'); //fallback tag
1362
1363 if (track->par->format == AV_PIX_FMT_YUV420P10) {
1364 if (track->par->width == 960 && track->par->height == 720) {
1365 if (!interlaced) {
1366 if (rate == 24) tag = MKTAG('a','i','5','p');
1367 else if (rate == 25) tag = MKTAG('a','i','5','q');
1368 else if (rate == 30) tag = MKTAG('a','i','5','p');
1369 else if (rate == 50) tag = MKTAG('a','i','5','q');
1370 else if (rate == 60) tag = MKTAG('a','i','5','p');
1371 }
1372 } else if (track->par->width == 1440 && track->par->height == 1080) {
1373 if (!interlaced) {
1374 if (rate == 24) tag = MKTAG('a','i','5','3');
1375 else if (rate == 25) tag = MKTAG('a','i','5','2');
1376 else if (rate == 30) tag = MKTAG('a','i','5','3');
1377 } else {
1378 if (rate == 50) tag = MKTAG('a','i','5','5');
1379 else if (rate == 60) tag = MKTAG('a','i','5','6');
1380 }
1381 }
1382 } else if (track->par->format == AV_PIX_FMT_YUV422P10) {
1383 if (track->par->width == 1280 && track->par->height == 720) {
1384 if (!interlaced) {
1385 if (rate == 24) tag = MKTAG('a','i','1','p');
1386 else if (rate == 25) tag = MKTAG('a','i','1','q');
1387 else if (rate == 30) tag = MKTAG('a','i','1','p');
1388 else if (rate == 50) tag = MKTAG('a','i','1','q');
1389 else if (rate == 60) tag = MKTAG('a','i','1','p');
1390 }
1391 } else if (track->par->width == 1920 && track->par->height == 1080) {
1392 if (!interlaced) {
1393 if (rate == 24) tag = MKTAG('a','i','1','3');
1394 else if (rate == 25) tag = MKTAG('a','i','1','2');
1395 else if (rate == 30) tag = MKTAG('a','i','1','3');
1396 } else {
1397 if (rate == 25) tag = MKTAG('a','i','1','5');
1398 else if (rate == 50) tag = MKTAG('a','i','1','5');
1399 else if (rate == 60) tag = MKTAG('a','i','1','6');
1400 }
1401 } else if ( track->par->width == 4096 && track->par->height == 2160
1402 || track->par->width == 3840 && track->par->height == 2160
1403 || track->par->width == 2048 && track->par->height == 1080) {
1404 tag = MKTAG('a','i','v','x');
1405 }
1406 }
1407
1408 return tag;
1409}
1410
1411static const struct {
1412 enum AVPixelFormat pix_fmt;
1413 uint32_t tag;
1414 unsigned bps;
1415} mov_pix_fmt_tags[] = {
1416 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','2'), 0 },
1417 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
1418 { AV_PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
1419 { AV_PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 },
1420 { AV_PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
1421 { AV_PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
1422 { AV_PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
1423 { AV_PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 },
1424 { AV_PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
1425 { AV_PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
1426 { AV_PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
1427 { AV_PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
1428 { AV_PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
1429 { AV_PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 },
1430 { AV_PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
1431};
1432
1433static int mov_get_dnxhd_codec_tag(AVFormatContext *s, MOVTrack *track)
1434{
1435 int tag = MKTAG('A','V','d','n');
1436 if (track->par->profile != FF_PROFILE_UNKNOWN &&
1437 track->par->profile != FF_PROFILE_DNXHD)
1438 tag = MKTAG('A','V','d','h');
1439 return tag;
1440}
1441
1442static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
1443{
1444 int tag = track->par->codec_tag;
1445 int i;
1446 enum AVPixelFormat pix_fmt;
1447
1448 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
1449 if (track->par->format == mov_pix_fmt_tags[i].pix_fmt) {
1450 tag = mov_pix_fmt_tags[i].tag;
1451 track->par->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
1452 if (track->par->codec_tag == mov_pix_fmt_tags[i].tag)
1453 break;
1454 }
1455 }
1456
1457 pix_fmt = avpriv_find_pix_fmt(avpriv_pix_fmt_bps_mov,
1458 track->par->bits_per_coded_sample);
1459 if (tag == MKTAG('r','a','w',' ') &&
1460 track->par->format != pix_fmt &&
1461 track->par->format != AV_PIX_FMT_GRAY8 &&
1462 track->par->format != AV_PIX_FMT_NONE)
1463 av_log(s, AV_LOG_ERROR, "%s rawvideo cannot be written to mov, output file will be unreadable\n",
1464 av_get_pix_fmt_name(track->par->format));
1465 return tag;
1466}
1467
1468static int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
1469{
1470 int tag = track->par->codec_tag;
1471
1472 if (!tag || (s->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
1473 (track->par->codec_id == AV_CODEC_ID_DVVIDEO ||
1474 track->par->codec_id == AV_CODEC_ID_RAWVIDEO ||
1475 track->par->codec_id == AV_CODEC_ID_H263 ||
1476 track->par->codec_id == AV_CODEC_ID_H264 ||
1477 track->par->codec_id == AV_CODEC_ID_DNXHD ||
1478 track->par->codec_id == AV_CODEC_ID_MPEG2VIDEO ||
1479 av_get_bits_per_sample(track->par->codec_id)))) { // pcm audio
1480 if (track->par->codec_id == AV_CODEC_ID_DVVIDEO)
1481 tag = mov_get_dv_codec_tag(s, track);
1482 else if (track->par->codec_id == AV_CODEC_ID_RAWVIDEO)
1483 tag = mov_get_rawvideo_codec_tag(s, track);
1484 else if (track->par->codec_id == AV_CODEC_ID_MPEG2VIDEO)
1485 tag = mov_get_mpeg2_xdcam_codec_tag(s, track);
1486 else if (track->par->codec_id == AV_CODEC_ID_H264)
1487 tag = mov_get_h264_codec_tag(s, track);
1488 else if (track->par->codec_id == AV_CODEC_ID_DNXHD)
1489 tag = mov_get_dnxhd_codec_tag(s, track);
1490 else if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
1491 tag = ff_codec_get_tag(ff_codec_movvideo_tags, track->par->codec_id);
1492 if (!tag) { // if no mac fcc found, try with Microsoft tags
1493 tag = ff_codec_get_tag(ff_codec_bmp_tags, track->par->codec_id);
1494 if (tag)
1495 av_log(s, AV_LOG_WARNING, "Using MS style video codec tag, "
1496 "the file may be unplayable!\n");
1497 }
1498 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
1499 tag = ff_codec_get_tag(ff_codec_movaudio_tags, track->par->codec_id);
1500 if (!tag) { // if no mac fcc found, try with Microsoft tags
1501 int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->par->codec_id);
1502 if (ms_tag) {
1503 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
1504 av_log(s, AV_LOG_WARNING, "Using MS style audio codec tag, "
1505 "the file may be unplayable!\n");
1506 }
1507 }
1508 } else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE)
1509 tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->par->codec_id);
1510 }
1511
1512 return tag;
1513}
1514
1515static const AVCodecTag codec_3gp_tags[] = {
1516 { AV_CODEC_ID_H263, MKTAG('s','2','6','3') },
1517 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
1518 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
1519 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
1520 { AV_CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
1521 { AV_CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
1522 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
1523 { AV_CODEC_ID_NONE, 0 },
1524};
1525
1526static const AVCodecTag codec_f4v_tags[] = { // XXX: add GIF/PNG/JPEG?
1527 { AV_CODEC_ID_MP3, MKTAG('.','m','p','3') },
1528 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
1529 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
1530 { AV_CODEC_ID_VP6A, MKTAG('V','P','6','A') },
1531 { AV_CODEC_ID_VP6F, MKTAG('V','P','6','F') },
1532 { AV_CODEC_ID_NONE, 0 },
1533};
1534
1535static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
1536{
1537 int tag;
1538
1539 if (track->mode == MODE_MP4 || track->mode == MODE_PSP)
1540 tag = mp4_get_codec_tag(s, track);
1541 else if (track->mode == MODE_ISM) {
1542 tag = mp4_get_codec_tag(s, track);
1543 if (!tag && track->par->codec_id == AV_CODEC_ID_WMAPRO)
1544 tag = MKTAG('w', 'm', 'a', ' ');
1545 } else if (track->mode == MODE_IPOD)
1546 tag = ipod_get_codec_tag(s, track);
1547 else if (track->mode & MODE_3GP)
1548 tag = ff_codec_get_tag(codec_3gp_tags, track->par->codec_id);
1549 else if (track->mode == MODE_F4V)
1550 tag = ff_codec_get_tag(codec_f4v_tags, track->par->codec_id);
1551 else
1552 tag = mov_get_codec_tag(s, track);
1553
1554 return tag;
1555}
1556
1557/** Write uuid atom.
1558 * Needed to make file play in iPods running newest firmware
1559 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
1560 */
1561static int mov_write_uuid_tag_ipod(AVIOContext *pb)
1562{
1563 avio_wb32(pb, 28);
1564 ffio_wfourcc(pb, "uuid");
1565 avio_wb32(pb, 0x6b6840f2);
1566 avio_wb32(pb, 0x5f244fc5);
1567 avio_wb32(pb, 0xba39a51b);
1568 avio_wb32(pb, 0xcf0323f3);
1569 avio_wb32(pb, 0x0);
1570 return 28;
1571}
1572
1573static const uint16_t fiel_data[] = {
1574 0x0000, 0x0100, 0x0201, 0x0206, 0x0209, 0x020e
1575};
1576
1577static int mov_write_fiel_tag(AVIOContext *pb, MOVTrack *track, int field_order)
1578{
1579 unsigned mov_field_order = 0;
1580 if (field_order < FF_ARRAY_ELEMS(fiel_data))
1581 mov_field_order = fiel_data[field_order];
1582 else
1583 return 0;
1584 avio_wb32(pb, 10);
1585 ffio_wfourcc(pb, "fiel");
1586 avio_wb16(pb, mov_field_order);
1587 return 10;
1588}
1589
1590static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
1591{
1592 int64_t pos = avio_tell(pb);
1593 avio_wb32(pb, 0); /* size */
1594 avio_wl32(pb, track->tag); // store it byteswapped
1595 avio_wb32(pb, 0); /* Reserved */
1596 avio_wb16(pb, 0); /* Reserved */
1597 avio_wb16(pb, 1); /* Data-reference index */
1598
1599 if (track->par->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
1600 mov_write_esds_tag(pb, track);
1601 else if (track->par->extradata_size)
1602 avio_write(pb, track->par->extradata, track->par->extradata_size);
1603
1604 return update_size(pb, pos);
1605}
1606
1607static int mov_write_st3d_tag(AVIOContext *pb, AVStereo3D *stereo_3d)
1608{
1609 int8_t stereo_mode;
1610
1611 if (stereo_3d->flags != 0) {
1612 av_log(pb, AV_LOG_WARNING, "Unsupported stereo_3d flags %x. st3d not written.\n", stereo_3d->flags);
1613 return 0;
1614 }
1615
1616 switch (stereo_3d->type) {
1617 case AV_STEREO3D_2D:
1618 stereo_mode = 0;
1619 break;
1620 case AV_STEREO3D_TOPBOTTOM:
1621 stereo_mode = 1;
1622 break;
1623 case AV_STEREO3D_SIDEBYSIDE:
1624 stereo_mode = 2;
1625 break;
1626 default:
1627 av_log(pb, AV_LOG_WARNING, "Unsupported stereo_3d type %s. st3d not written.\n", av_stereo3d_type_name(stereo_3d->type));
1628 return 0;
1629 }
1630 avio_wb32(pb, 13); /* size */
1631 ffio_wfourcc(pb, "st3d");
1632 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1633 avio_w8(pb, stereo_mode);
1634 return 13;
1635}
1636
1637static int mov_write_sv3d_tag(AVFormatContext *s, AVIOContext *pb, AVSphericalMapping *spherical_mapping)
1638{
1639 int64_t sv3d_pos, svhd_pos, proj_pos;
1640 const char* metadata_source = s->flags & AVFMT_FLAG_BITEXACT ? "Lavf" : LIBAVFORMAT_IDENT;
1641
1642 if (spherical_mapping->projection != AV_SPHERICAL_EQUIRECTANGULAR &&
1643 spherical_mapping->projection != AV_SPHERICAL_EQUIRECTANGULAR_TILE &&
1644 spherical_mapping->projection != AV_SPHERICAL_CUBEMAP) {
1645 av_log(pb, AV_LOG_WARNING, "Unsupported projection %d. sv3d not written.\n", spherical_mapping->projection);
1646 return 0;
1647 }
1648
1649 sv3d_pos = avio_tell(pb);
1650 avio_wb32(pb, 0); /* size */
1651 ffio_wfourcc(pb, "sv3d");
1652
1653 svhd_pos = avio_tell(pb);
1654 avio_wb32(pb, 0); /* size */
1655 ffio_wfourcc(pb, "svhd");
1656 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1657 avio_put_str(pb, metadata_source);
1658 update_size(pb, svhd_pos);
1659
1660 proj_pos = avio_tell(pb);
1661 avio_wb32(pb, 0); /* size */
1662 ffio_wfourcc(pb, "proj");
1663
1664 avio_wb32(pb, 24); /* size */
1665 ffio_wfourcc(pb, "prhd");
1666 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1667 avio_wb32(pb, spherical_mapping->yaw);
1668 avio_wb32(pb, spherical_mapping->pitch);
1669 avio_wb32(pb, spherical_mapping->roll);
1670
1671 switch (spherical_mapping->projection) {
1672 case AV_SPHERICAL_EQUIRECTANGULAR:
1673 case AV_SPHERICAL_EQUIRECTANGULAR_TILE:
1674 avio_wb32(pb, 28); /* size */
1675 ffio_wfourcc(pb, "equi");
1676 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1677 avio_wb32(pb, spherical_mapping->bound_top);
1678 avio_wb32(pb, spherical_mapping->bound_bottom);
1679 avio_wb32(pb, spherical_mapping->bound_left);
1680 avio_wb32(pb, spherical_mapping->bound_right);
1681 break;
1682 case AV_SPHERICAL_CUBEMAP:
1683 avio_wb32(pb, 20); /* size */
1684 ffio_wfourcc(pb, "cbmp");
1685 avio_wb32(pb, 0); /* version = 0 & flags = 0 */
1686 avio_wb32(pb, 0); /* layout */
1687 avio_wb32(pb, spherical_mapping->padding); /* padding */
1688 break;
1689 }
1690 update_size(pb, proj_pos);
1691
1692 return update_size(pb, sv3d_pos);
1693}
1694
1695static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
1696{
1697 AVRational sar;
1698 av_reduce(&sar.num, &sar.den, track->par->sample_aspect_ratio.num,
1699 track->par->sample_aspect_ratio.den, INT_MAX);
1700
1701 avio_wb32(pb, 16);
1702 ffio_wfourcc(pb, "pasp");
1703 avio_wb32(pb, sar.num);
1704 avio_wb32(pb, sar.den);
1705 return 16;
1706}
1707
1708static int mov_write_gama_tag(AVIOContext *pb, MOVTrack *track, double gamma)
1709{
1710 uint32_t gama = 0;
1711 if (gamma <= 0.0)
1712 {
1713 gamma = avpriv_get_gamma_from_trc(track->par->color_trc);
1714 }
1715 av_log(pb, AV_LOG_DEBUG, "gamma value %g\n", gamma);
1716
1717 if (gamma > 1e-6) {
1718 gama = (uint32_t)lrint((double)(1<<16) * gamma);
1719 av_log(pb, AV_LOG_DEBUG, "writing gama value %"PRId32"\n", gama);
1720
1721 av_assert0(track->mode == MODE_MOV);
1722 avio_wb32(pb, 12);
1723 ffio_wfourcc(pb, "gama");
1724 avio_wb32(pb, gama);
1725 return 12;
1726 }
1727 else {
1728 av_log(pb, AV_LOG_WARNING, "gamma value unknown, unable to write gama atom\n");
1729 }
1730 return 0;
1731}
1732
1733static int mov_write_colr_tag(AVIOContext *pb, MOVTrack *track)
1734{
1735 // Ref (MOV): https://developer.apple.com/library/mac/technotes/tn2162/_index.html#//apple_ref/doc/uid/DTS40013070-CH1-TNTAG9
1736 // Ref (MP4): ISO/IEC 14496-12:2012
1737
1738 if (track->par->color_primaries == AVCOL_PRI_UNSPECIFIED &&
1739 track->par->color_trc == AVCOL_TRC_UNSPECIFIED &&
1740 track->par->color_space == AVCOL_SPC_UNSPECIFIED) {
1741 if ((track->par->width >= 1920 && track->par->height >= 1080)
1742 || (track->par->width == 1280 && track->par->height == 720)) {
1743 av_log(NULL, AV_LOG_WARNING, "color primaries unspecified, assuming bt709\n");
1744 track->par->color_primaries = AVCOL_PRI_BT709;
1745 } else if (track->par->width == 720 && track->height == 576) {
1746 av_log(NULL, AV_LOG_WARNING, "color primaries unspecified, assuming bt470bg\n");
1747 track->par->color_primaries = AVCOL_PRI_BT470BG;
1748 } else if (track->par->width == 720 &&
1749 (track->height == 486 || track->height == 480)) {
1750 av_log(NULL, AV_LOG_WARNING, "color primaries unspecified, assuming smpte170\n");
1751 track->par->color_primaries = AVCOL_PRI_SMPTE170M;
1752 } else {
1753 av_log(NULL, AV_LOG_WARNING, "color primaries unspecified, unable to assume anything\n");
1754 }
1755 switch (track->par->color_primaries) {
1756 case AVCOL_PRI_BT709:
1757 track->par->color_trc = AVCOL_TRC_BT709;
1758 track->par->color_space = AVCOL_SPC_BT709;
1759 break;
1760 case AVCOL_PRI_SMPTE170M:
1761 case AVCOL_PRI_BT470BG:
1762 track->par->color_trc = AVCOL_TRC_BT709;
1763 track->par->color_space = AVCOL_SPC_SMPTE170M;
1764 break;
1765 }
1766 }
1767
1768 /* We should only ever be called by MOV or MP4. */
1769 av_assert0(track->mode == MODE_MOV || track->mode == MODE_MP4);
1770
1771 avio_wb32(pb, 18 + (track->mode == MODE_MP4));
1772 ffio_wfourcc(pb, "colr");
1773 if (track->mode == MODE_MP4)
1774 ffio_wfourcc(pb, "nclx");
1775 else
1776 ffio_wfourcc(pb, "nclc");
1777 switch (track->par->color_primaries) {
1778 case AVCOL_PRI_BT709: avio_wb16(pb, 1); break;
1779 case AVCOL_PRI_SMPTE170M:
1780 case AVCOL_PRI_SMPTE240M: avio_wb16(pb, 6); break;
1781 case AVCOL_PRI_BT470BG: avio_wb16(pb, 5); break;
1782 default: avio_wb16(pb, 2);
1783 }
1784 switch (track->par->color_trc) {
1785 case AVCOL_TRC_BT709: avio_wb16(pb, 1); break;
1786 case AVCOL_TRC_SMPTE170M: avio_wb16(pb, 1); break; // remapped
1787 case AVCOL_TRC_SMPTE240M: avio_wb16(pb, 7); break;
1788 default: avio_wb16(pb, 2);
1789 }
1790 switch (track->par->color_space) {
1791 case AVCOL_SPC_BT709: avio_wb16(pb, 1); break;
1792 case AVCOL_SPC_BT470BG:
1793 case AVCOL_SPC_SMPTE170M: avio_wb16(pb, 6); break;
1794 case AVCOL_SPC_SMPTE240M: avio_wb16(pb, 7); break;
1795 default: avio_wb16(pb, 2);
1796 }
1797
1798 if (track->mode == MODE_MP4) {
1799 int full_range = track->par->color_range == AVCOL_RANGE_JPEG;
1800 avio_w8(pb, full_range << 7);
1801 return 19;
1802 } else {
1803 return 18;
1804 }
1805}
1806
1807static void find_compressor(char * compressor_name, int len, MOVTrack *track)
1808{
1809 AVDictionaryEntry *encoder;
1810 int xdcam_res = (track->par->width == 1280 && track->par->height == 720)
1811 || (track->par->width == 1440 && track->par->height == 1080)
1812 || (track->par->width == 1920 && track->par->height == 1080);
1813
1814 if (track->mode == MODE_MOV &&
1815 (encoder = av_dict_get(track->st->metadata, "encoder", NULL, 0))) {
1816 av_strlcpy(compressor_name, encoder->value, 32);
1817 } else if (track->par->codec_id == AV_CODEC_ID_MPEG2VIDEO && xdcam_res) {
1818 int interlaced = track->par->field_order > AV_FIELD_PROGRESSIVE;
1819 AVStream *st = track->st;
1820 int rate = av_q2d(find_fps(NULL, st));
1821 av_strlcatf(compressor_name, len, "XDCAM");
1822 if (track->par->format == AV_PIX_FMT_YUV422P) {
1823 av_strlcatf(compressor_name, len, " HD422");
1824 } else if(track->par->width == 1440) {
1825 av_strlcatf(compressor_name, len, " HD");
1826 } else
1827 av_strlcatf(compressor_name, len, " EX");
1828
1829 av_strlcatf(compressor_name, len, " %d%c", track->par->height, interlaced ? 'i' : 'p');
1830
1831 av_strlcatf(compressor_name, len, "%d", rate * (interlaced + 1));
1832 }
1833}
1834
1835static int mov_write_video_tag(AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
1836{
1837 int64_t pos = avio_tell(pb);
1838 char compressor_name[32] = { 0 };
1839 int avid = 0;
1840
1841 avio_wb32(pb, 0); /* size */
1842 if (mov->encryption_scheme != MOV_ENC_NONE) {
1843 ffio_wfourcc(pb, "encv");
1844 } else {
1845 avio_wl32(pb, track->tag); // store it byteswapped
1846 }
1847 avio_wb32(pb, 0); /* Reserved */
1848 avio_wb16(pb, 0); /* Reserved */
1849 avio_wb16(pb, 1); /* Data-reference index */
1850
1851 avio_wb16(pb, 0); /* Codec stream version */
1852 avio_wb16(pb, 0); /* Codec stream revision (=0) */
1853 if (track->mode == MODE_MOV) {
1854 ffio_wfourcc(pb, "FFMP"); /* Vendor */
1855 if (track->par->codec_id == AV_CODEC_ID_RAWVIDEO) {
1856 avio_wb32(pb, 0); /* Temporal Quality */
1857 avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/
1858 } else {
1859 avio_wb32(pb, 0x200); /* Temporal Quality = normal */
1860 avio_wb32(pb, 0x200); /* Spatial Quality = normal */
1861 }
1862 } else {
1863 avio_wb32(pb, 0); /* Reserved */
1864 avio_wb32(pb, 0); /* Reserved */
1865 avio_wb32(pb, 0); /* Reserved */
1866 }
1867 avio_wb16(pb, track->par->width); /* Video width */
1868 avio_wb16(pb, track->height); /* Video height */
1869 avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */
1870 avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */
1871 avio_wb32(pb, 0); /* Data size (= 0) */
1872 avio_wb16(pb, 1); /* Frame count (= 1) */
1873
1874 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
1875 find_compressor(compressor_name, 32, track);
1876 avio_w8(pb, strlen(compressor_name));
1877 avio_write(pb, compressor_name, 31);
1878
1879 if (track->mode == MODE_MOV && track->par->bits_per_coded_sample)
1880 avio_wb16(pb, track->par->bits_per_coded_sample |
1881 (track->par->format == AV_PIX_FMT_GRAY8 ? 0x20 : 0));
1882 else
1883 avio_wb16(pb, 0x18); /* Reserved */
1884
1885 if (track->mode == MODE_MOV && track->par->format == AV_PIX_FMT_PAL8) {
1886 int pal_size = 1 << track->par->bits_per_coded_sample;
1887 int i;
1888 avio_wb16(pb, 0); /* Color table ID */
1889 avio_wb32(pb, 0); /* Color table seed */
1890 avio_wb16(pb, 0x8000); /* Color table flags */
1891 avio_wb16(pb, pal_size - 1); /* Color table size (zero-relative) */
1892 for (i = 0; i < pal_size; i++) {
1893 uint32_t rgb = track->palette[i];
1894 uint16_t r = (rgb >> 16) & 0xff;
1895 uint16_t g = (rgb >> 8) & 0xff;
1896 uint16_t b = rgb & 0xff;
1897 avio_wb16(pb, 0);
1898 avio_wb16(pb, (r << 8) | r);
1899 avio_wb16(pb, (g << 8) | g);
1900 avio_wb16(pb, (b << 8) | b);
1901 }
1902 } else
1903 avio_wb16(pb, 0xffff); /* Reserved */
1904
1905 if (track->tag == MKTAG('m','p','4','v'))
1906 mov_write_esds_tag(pb, track);
1907 else if (track->par->codec_id == AV_CODEC_ID_H263)
1908 mov_write_d263_tag(pb);
1909 else if (track->par->codec_id == AV_CODEC_ID_AVUI ||
1910 track->par->codec_id == AV_CODEC_ID_SVQ3) {
1911 mov_write_extradata_tag(pb, track);
1912 avio_wb32(pb, 0);
1913 } else if (track->par->codec_id == AV_CODEC_ID_DNXHD) {
1914 mov_write_avid_tag(pb, track);
1915 avid = 1;
1916 } else if (track->par->codec_id == AV_CODEC_ID_HEVC)
1917 mov_write_hvcc_tag(pb, track);
1918 else if (track->par->codec_id == AV_CODEC_ID_H264 && !TAG_IS_AVCI(track->tag)) {
1919 mov_write_avcc_tag(pb, track);
1920 if (track->mode == MODE_IPOD)
1921 mov_write_uuid_tag_ipod(pb);
1922 } else if (track->par->codec_id == AV_CODEC_ID_VP9) {
1923 mov_write_vpcc_tag(mov->fc, pb, track);
1924 } else if (track->par->codec_id == AV_CODEC_ID_VC1 && track->vos_len > 0)
1925 mov_write_dvc1_tag(pb, track);
1926 else if (track->par->codec_id == AV_CODEC_ID_VP6F ||
1927 track->par->codec_id == AV_CODEC_ID_VP6A) {
1928 /* Don't write any potential extradata here - the cropping
1929 * is signalled via the normal width/height fields. */
1930 } else if (track->par->codec_id == AV_CODEC_ID_R10K) {
1931 if (track->par->codec_tag == MKTAG('R','1','0','k'))
1932 mov_write_dpxe_tag(pb, track);
1933 } else if (track->vos_len > 0)
1934 mov_write_glbl_tag(pb, track);
1935
1936 if (track->par->codec_id != AV_CODEC_ID_H264 &&
1937 track->par->codec_id != AV_CODEC_ID_MPEG4 &&
1938 track->par->codec_id != AV_CODEC_ID_DNXHD) {
1939 int field_order = track->par->field_order;
1940
1941#if FF_API_LAVF_AVCTX
1942 FF_DISABLE_DEPRECATION_WARNINGS
1943 if (field_order != track->st->codec->field_order && track->st->codec->field_order != AV_FIELD_UNKNOWN)
1944 field_order = track->st->codec->field_order;
1945 FF_ENABLE_DEPRECATION_WARNINGS
1946#endif
1947
1948 if (field_order != AV_FIELD_UNKNOWN)
1949 mov_write_fiel_tag(pb, track, field_order);
1950 }
1951
1952 if (mov->flags & FF_MOV_FLAG_WRITE_GAMA) {
1953 if (track->mode == MODE_MOV)
1954 mov_write_gama_tag(pb, track, mov->gamma);
1955 else
1956 av_log(mov->fc, AV_LOG_WARNING, "Not writing 'gama' atom. Format is not MOV.\n");
1957 }
1958 if (mov->flags & FF_MOV_FLAG_WRITE_COLR) {
1959 if (track->mode == MODE_MOV || track->mode == MODE_MP4)
1960 mov_write_colr_tag(pb, track);
1961 else
1962 av_log(mov->fc, AV_LOG_WARNING, "Not writing 'colr' atom. Format is not MOV or MP4.\n");
1963 }
1964
1965 if (track->mode == MODE_MP4 && mov->fc->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL) {
1966 AVStereo3D* stereo_3d = (AVStereo3D*) av_stream_get_side_data(track->st, AV_PKT_DATA_STEREO3D, NULL);
1967 AVSphericalMapping* spherical_mapping = (AVSphericalMapping*)av_stream_get_side_data(track->st, AV_PKT_DATA_SPHERICAL, NULL);
1968
1969 if (stereo_3d)
1970 mov_write_st3d_tag(pb, stereo_3d);
1971 if (spherical_mapping)
1972 mov_write_sv3d_tag(mov->fc, pb, spherical_mapping);
1973 }
1974
1975 if (track->par->sample_aspect_ratio.den && track->par->sample_aspect_ratio.num) {
1976 mov_write_pasp_tag(pb, track);
1977 }
1978
1979 if (mov->encryption_scheme != MOV_ENC_NONE) {
1980 ff_mov_cenc_write_sinf_tag(track, pb, mov->encryption_kid);
1981 }
1982
1983 /* extra padding for avid stsd */
1984 /* https://developer.apple.com/library/mac/documentation/QuickTime/QTFF/QTFFChap2/qtff2.html#//apple_ref/doc/uid/TP40000939-CH204-61112 */
1985 if (avid)
1986 avio_wb32(pb, 0);
1987
1988 return update_size(pb, pos);
1989}
1990
1991static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
1992{
1993 int64_t pos = avio_tell(pb);
1994 avio_wb32(pb, 0); /* size */
1995 ffio_wfourcc(pb, "rtp ");
1996 avio_wb32(pb, 0); /* Reserved */
1997 avio_wb16(pb, 0); /* Reserved */
1998 avio_wb16(pb, 1); /* Data-reference index */
1999
2000 avio_wb16(pb, 1); /* Hint track version */
2001 avio_wb16(pb, 1); /* Highest compatible version */
2002 avio_wb32(pb, track->max_packet_size); /* Max packet size */
2003
2004 avio_wb32(pb, 12); /* size */
2005 ffio_wfourcc(pb, "tims");
2006 avio_wb32(pb, track->timescale);
2007
2008 return update_size(pb, pos);
2009}
2010
2011static int mov_write_source_reference_tag(AVIOContext *pb, MOVTrack *track, const char *reel_name)
2012{
2013 uint64_t str_size =strlen(reel_name);
2014 int64_t pos = avio_tell(pb);
2015
2016 if (str_size >= UINT16_MAX){
2017 av_log(NULL, AV_LOG_ERROR, "reel_name length %"PRIu64" is too large\n", str_size);
2018 avio_wb16(pb, 0);
2019 return AVERROR(EINVAL);
2020 }
2021
2022 avio_wb32(pb, 0); /* size */
2023 ffio_wfourcc(pb, "name"); /* Data format */
2024 avio_wb16(pb, str_size); /* string size */
2025 avio_wb16(pb, track->language); /* langcode */
2026 avio_write(pb, reel_name, str_size); /* reel name */
2027 return update_size(pb,pos);
2028}
2029
2030static int mov_write_tmcd_tag(AVIOContext *pb, MOVTrack *track)
2031{
2032 int64_t pos = avio_tell(pb);
2033#if 1
2034 int frame_duration;
2035 int nb_frames;
2036 AVDictionaryEntry *t = NULL;
2037
2038 if (!track->st->avg_frame_rate.num || !track->st->avg_frame_rate.den) {
2039#if FF_API_LAVF_AVCTX
2040 FF_DISABLE_DEPRECATION_WARNINGS
2041 frame_duration = av_rescale(track->timescale, track->st->codec->time_base.num, track->st->codec->time_base.den);
2042 nb_frames = ROUNDED_DIV(track->st->codec->time_base.den, track->st->codec->time_base.num);
2043 FF_ENABLE_DEPRECATION_WARNINGS
2044#else
2045 av_log(NULL, AV_LOG_ERROR, "avg_frame_rate not set for tmcd track.\n");
2046 return AVERROR(EINVAL);
2047#endif
2048 } else {
2049 frame_duration = av_rescale(track->timescale, track->st->avg_frame_rate.num, track->st->avg_frame_rate.den);
2050 nb_frames = ROUNDED_DIV(track->st->avg_frame_rate.den, track->st->avg_frame_rate.num);
2051 }
2052
2053 if (nb_frames > 255) {
2054 av_log(NULL, AV_LOG_ERROR, "fps %d is too large\n", nb_frames);
2055 return AVERROR(EINVAL);
2056 }
2057
2058 avio_wb32(pb, 0); /* size */
2059 ffio_wfourcc(pb, "tmcd"); /* Data format */
2060 avio_wb32(pb, 0); /* Reserved */
2061 avio_wb32(pb, 1); /* Data reference index */
2062 avio_wb32(pb, 0); /* Flags */
2063 avio_wb32(pb, track->timecode_flags); /* Flags (timecode) */
2064 avio_wb32(pb, track->timescale); /* Timescale */
2065 avio_wb32(pb, frame_duration); /* Frame duration */
2066 avio_w8(pb, nb_frames); /* Number of frames */
2067 avio_w8(pb, 0); /* Reserved */
2068
2069 t = av_dict_get(track->st->metadata, "reel_name", NULL, 0);
2070 if (t && utf8len(t->value) && track->mode != MODE_MP4)
2071 mov_write_source_reference_tag(pb, track, t->value);
2072 else
2073 avio_wb16(pb, 0); /* zero size */
2074#else
2075
2076 avio_wb32(pb, 0); /* size */
2077 ffio_wfourcc(pb, "tmcd"); /* Data format */
2078 avio_wb32(pb, 0); /* Reserved */
2079 avio_wb32(pb, 1); /* Data reference index */
2080 if (track->par->extradata_size)
2081 avio_write(pb, track->par->extradata, track->par->extradata_size);
2082#endif
2083 return update_size(pb, pos);
2084}
2085
2086static int mov_write_stsd_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
2087{
2088 int64_t pos = avio_tell(pb);
2089 avio_wb32(pb, 0); /* size */
2090 ffio_wfourcc(pb, "stsd");
2091 avio_wb32(pb, 0); /* version & flags */
2092 avio_wb32(pb, 1); /* entry count */
2093 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO)
2094 mov_write_video_tag(pb, mov, track);
2095 else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
2096 mov_write_audio_tag(s, pb, mov, track);
2097 else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE)
2098 mov_write_subtitle_tag(pb, track);
2099 else if (track->par->codec_tag == MKTAG('r','t','p',' '))
2100 mov_write_rtp_tag(pb, track);
2101 else if (track->par->codec_tag == MKTAG('t','m','c','d'))
2102 mov_write_tmcd_tag(pb, track);
2103 return update_size(pb, pos);
2104}
2105
2106static int mov_write_ctts_tag(AVIOContext *pb, MOVTrack *track)
2107{
2108 MOVStts *ctts_entries;
2109 uint32_t entries = 0;
2110 uint32_t atom_size;
2111 int i;
2112
2113 ctts_entries = av_malloc_array((track->entry + 1), sizeof(*ctts_entries)); /* worst case */
2114 if (!ctts_entries)
2115 return AVERROR(ENOMEM);
2116 ctts_entries[0].count = 1;
2117 ctts_entries[0].duration = track->cluster[0].cts;
2118 for (i = 1; i < track->entry; i++) {
2119 if (track->cluster[i].cts == ctts_entries[entries].duration) {
2120 ctts_entries[entries].count++; /* compress */
2121 } else {
2122 entries++;
2123 ctts_entries[entries].duration = track->cluster[i].cts;
2124 ctts_entries[entries].count = 1;
2125 }
2126 }
2127 entries++; /* last one */
2128 atom_size = 16 + (entries * 8);
2129 avio_wb32(pb, atom_size); /* size */
2130 ffio_wfourcc(pb, "ctts");
2131 avio_wb32(pb, 0); /* version & flags */
2132 avio_wb32(pb, entries); /* entry count */
2133 for (i = 0; i < entries; i++) {
2134 avio_wb32(pb, ctts_entries[i].count);
2135 avio_wb32(pb, ctts_entries[i].duration);
2136 }
2137 av_free(ctts_entries);
2138 return atom_size;
2139}
2140
2141/* Time to sample atom */
2142static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
2143{
2144 MOVStts *stts_entries = NULL;
2145 uint32_t entries = -1;
2146 uint32_t atom_size;
2147 int i;
2148
2149 if (track->par->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
2150 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
2151 if (!stts_entries)
2152 return AVERROR(ENOMEM);
2153 stts_entries[0].count = track->sample_count;
2154 stts_entries[0].duration = 1;
2155 entries = 1;
2156 } else {
2157 if (track->entry) {
2158 stts_entries = av_malloc_array(track->entry, sizeof(*stts_entries)); /* worst case */
2159 if (!stts_entries)
2160 return AVERROR(ENOMEM);
2161 }
2162 for (i = 0; i < track->entry; i++) {
2163 int duration = get_cluster_duration(track, i);
2164 if (i && duration == stts_entries[entries].duration) {
2165 stts_entries[entries].count++; /* compress */
2166 } else {
2167 entries++;
2168 stts_entries[entries].duration = duration;
2169 stts_entries[entries].count = 1;
2170 }
2171 }
2172 entries++; /* last one */
2173 }
2174 atom_size = 16 + (entries * 8);
2175 avio_wb32(pb, atom_size); /* size */
2176 ffio_wfourcc(pb, "stts");
2177 avio_wb32(pb, 0); /* version & flags */
2178 avio_wb32(pb, entries); /* entry count */
2179 for (i = 0; i < entries; i++) {
2180 avio_wb32(pb, stts_entries[i].count);
2181 avio_wb32(pb, stts_entries[i].duration);
2182 }
2183 av_free(stts_entries);
2184 return atom_size;
2185}
2186
2187static int mov_write_dref_tag(AVIOContext *pb)
2188{
2189 avio_wb32(pb, 28); /* size */
2190 ffio_wfourcc(pb, "dref");
2191 avio_wb32(pb, 0); /* version & flags */
2192 avio_wb32(pb, 1); /* entry count */
2193
2194 avio_wb32(pb, 0xc); /* size */
2195 //FIXME add the alis and rsrc atom
2196 ffio_wfourcc(pb, "url ");
2197 avio_wb32(pb, 1); /* version & flags */
2198
2199 return 28;
2200}
2201
2202static int mov_write_stbl_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
2203{
2204 int64_t pos = avio_tell(pb);
2205 int ret;
2206
2207 avio_wb32(pb, 0); /* size */
2208 ffio_wfourcc(pb, "stbl");
2209 mov_write_stsd_tag(s, pb, mov, track);
2210 mov_write_stts_tag(pb, track);
2211 if ((track->par->codec_type == AVMEDIA_TYPE_VIDEO ||
2212 track->par->codec_tag == MKTAG('r','t','p',' ')) &&
2213 track->has_keyframes && track->has_keyframes < track->entry)
2214 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
2215 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
2216 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
2217 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO &&
2218 track->flags & MOV_TRACK_CTTS && track->entry) {
2219
2220 if ((ret = mov_write_ctts_tag(pb, track)) < 0)
2221 return ret;
2222 }
2223 mov_write_stsc_tag(pb, track);
2224 mov_write_stsz_tag(pb, track);
2225 mov_write_stco_tag(pb, track);
2226 if (mov->encryption_scheme == MOV_ENC_CENC_AES_CTR) {
2227 ff_mov_cenc_write_stbl_atoms(&track->cenc, pb);
2228 }
2229 return update_size(pb, pos);
2230}
2231
2232static int mov_write_dinf_tag(AVIOContext *pb)
2233{
2234 int64_t pos = avio_tell(pb);
2235 avio_wb32(pb, 0); /* size */
2236 ffio_wfourcc(pb, "dinf");
2237 mov_write_dref_tag(pb);
2238 return update_size(pb, pos);
2239}
2240
2241static int mov_write_nmhd_tag(AVIOContext *pb)
2242{
2243 avio_wb32(pb, 12);
2244 ffio_wfourcc(pb, "nmhd");
2245 avio_wb32(pb, 0);
2246 return 12;
2247}
2248
2249static int mov_write_tcmi_tag(AVIOContext *pb, MOVTrack *track)
2250{
2251 int64_t pos = avio_tell(pb);
2252 const char *font = "Lucida Grande";
2253 avio_wb32(pb, 0); /* size */
2254 ffio_wfourcc(pb, "tcmi"); /* timecode media information atom */
2255 avio_wb32(pb, 0); /* version & flags */
2256 avio_wb16(pb, 0); /* text font */
2257 avio_wb16(pb, 0); /* text face */
2258 avio_wb16(pb, 12); /* text size */
2259 avio_wb16(pb, 0); /* (unknown, not in the QT specs...) */
2260 avio_wb16(pb, 0x0000); /* text color (red) */
2261 avio_wb16(pb, 0x0000); /* text color (green) */
2262 avio_wb16(pb, 0x0000); /* text color (blue) */
2263 avio_wb16(pb, 0xffff); /* background color (red) */
2264 avio_wb16(pb, 0xffff); /* background color (green) */
2265 avio_wb16(pb, 0xffff); /* background color (blue) */
2266 avio_w8(pb, strlen(font)); /* font len (part of the pascal string) */
2267 avio_write(pb, font, strlen(font)); /* font name */
2268 return update_size(pb, pos);
2269}
2270
2271static int mov_write_gmhd_tag(AVIOContext *pb, MOVTrack *track)
2272{
2273 int64_t pos = avio_tell(pb);
2274 avio_wb32(pb, 0); /* size */
2275 ffio_wfourcc(pb, "gmhd");
2276 avio_wb32(pb, 0x18); /* gmin size */
2277 ffio_wfourcc(pb, "gmin");/* generic media info */
2278 avio_wb32(pb, 0); /* version & flags */
2279 avio_wb16(pb, 0x40); /* graphics mode = */
2280 avio_wb16(pb, 0x8000); /* opColor (r?) */
2281 avio_wb16(pb, 0x8000); /* opColor (g?) */
2282 avio_wb16(pb, 0x8000); /* opColor (b?) */
2283 avio_wb16(pb, 0); /* balance */
2284 avio_wb16(pb, 0); /* reserved */
2285
2286 /*
2287 * This special text atom is required for
2288 * Apple Quicktime chapters. The contents
2289 * don't appear to be documented, so the
2290 * bytes are copied verbatim.
2291 */
2292 if (track->tag != MKTAG('c','6','0','8')) {
2293 avio_wb32(pb, 0x2C); /* size */
2294 ffio_wfourcc(pb, "text");
2295 avio_wb16(pb, 0x01);
2296 avio_wb32(pb, 0x00);
2297 avio_wb32(pb, 0x00);
2298 avio_wb32(pb, 0x00);
2299 avio_wb32(pb, 0x01);
2300 avio_wb32(pb, 0x00);
2301 avio_wb32(pb, 0x00);
2302 avio_wb32(pb, 0x00);
2303 avio_wb32(pb, 0x00004000);
2304 avio_wb16(pb, 0x0000);
2305 }
2306
2307 if (track->par->codec_tag == MKTAG('t','m','c','d')) {
2308 int64_t tmcd_pos = avio_tell(pb);
2309 avio_wb32(pb, 0); /* size */
2310 ffio_wfourcc(pb, "tmcd");
2311 mov_write_tcmi_tag(pb, track);
2312 update_size(pb, tmcd_pos);
2313 }
2314 return update_size(pb, pos);
2315}
2316
2317static int mov_write_smhd_tag(AVIOContext *pb)
2318{
2319 avio_wb32(pb, 16); /* size */
2320 ffio_wfourcc(pb, "smhd");
2321 avio_wb32(pb, 0); /* version & flags */
2322 avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
2323 avio_wb16(pb, 0); /* reserved */
2324 return 16;
2325}
2326
2327static int mov_write_vmhd_tag(AVIOContext *pb)
2328{
2329 avio_wb32(pb, 0x14); /* size (always 0x14) */
2330 ffio_wfourcc(pb, "vmhd");
2331 avio_wb32(pb, 0x01); /* version & flags */
2332 avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
2333 return 0x14;
2334}
2335
2336static int is_clcp_track(MOVTrack *track)
2337{
2338 return track->tag == MKTAG('c','7','0','8') ||
2339 track->tag == MKTAG('c','6','0','8');
2340}
2341
2342static int mov_write_hdlr_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
2343{
2344 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
2345 int64_t pos = avio_tell(pb);
2346
2347 hdlr = "dhlr";
2348 hdlr_type = "url ";
2349 descr = "DataHandler";
2350
2351 if (track) {
2352 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
2353 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
2354 hdlr_type = "vide";
2355 descr = "VideoHandler";
2356 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
2357 hdlr_type = "soun";
2358 descr = "SoundHandler";
2359 } else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE) {
2360 if (is_clcp_track(track)) {
2361 hdlr_type = "clcp";
2362 descr = "ClosedCaptionHandler";
2363 } else {
2364 if (track->tag == MKTAG('t','x','3','g')) {
2365 hdlr_type = "sbtl";
2366 } else if (track->tag == MKTAG('m','p','4','s')) {
2367 hdlr_type = "subp";
2368 } else {
2369 hdlr_type = "text";
2370 }
2371 descr = "SubtitleHandler";
2372 }
2373 } else if (track->par->codec_tag == MKTAG('r','t','p',' ')) {
2374 hdlr_type = "hint";
2375 descr = "HintHandler";
2376 } else if (track->par->codec_tag == MKTAG('t','m','c','d')) {
2377 hdlr_type = "tmcd";
2378 descr = "TimeCodeHandler";
2379 } else {
2380 av_log(s, AV_LOG_WARNING,
2381 "Unknown hldr_type for %s, writing dummy values\n",
2382 av_fourcc2str(track->par->codec_tag));
2383 }
2384 if (track->st) {
2385 // hdlr.name is used by some players to identify the content title
2386 // of the track. So if an alternate handler description is
2387 // specified, use it.
2388 AVDictionaryEntry *t;
2389 t = av_dict_get(track->st->metadata, "handler", NULL, 0);
2390 if (t && utf8len(t->value))
2391 descr = t->value;
2392 }
2393 }
2394
2395 avio_wb32(pb, 0); /* size */
2396 ffio_wfourcc(pb, "hdlr");
2397 avio_wb32(pb, 0); /* Version & flags */
2398 avio_write(pb, hdlr, 4); /* handler */
2399 ffio_wfourcc(pb, hdlr_type); /* handler type */
2400 avio_wb32(pb, 0); /* reserved */
2401 avio_wb32(pb, 0); /* reserved */
2402 avio_wb32(pb, 0); /* reserved */
2403 if (!track || track->mode == MODE_MOV)
2404 avio_w8(pb, strlen(descr)); /* pascal string */
2405 avio_write(pb, descr, strlen(descr)); /* handler description */
2406 if (track && track->mode != MODE_MOV)
2407 avio_w8(pb, 0); /* c string */
2408 return update_size(pb, pos);
2409}
2410
2411static int mov_write_hmhd_tag(AVIOContext *pb)
2412{
2413 /* This atom must be present, but leaving the values at zero
2414 * seems harmless. */
2415 avio_wb32(pb, 28); /* size */
2416 ffio_wfourcc(pb, "hmhd");
2417 avio_wb32(pb, 0); /* version, flags */
2418 avio_wb16(pb, 0); /* maxPDUsize */
2419 avio_wb16(pb, 0); /* avgPDUsize */
2420 avio_wb32(pb, 0); /* maxbitrate */
2421 avio_wb32(pb, 0); /* avgbitrate */
2422 avio_wb32(pb, 0); /* reserved */
2423 return 28;
2424}
2425
2426static int mov_write_minf_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
2427{
2428 int64_t pos = avio_tell(pb);
2429 int ret;
2430
2431 avio_wb32(pb, 0); /* size */
2432 ffio_wfourcc(pb, "minf");
2433 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO)
2434 mov_write_vmhd_tag(pb);
2435 else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
2436 mov_write_smhd_tag(pb);
2437 else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE) {
2438 if (track->tag == MKTAG('t','e','x','t') || is_clcp_track(track)) {
2439 mov_write_gmhd_tag(pb, track);
2440 } else {
2441 mov_write_nmhd_tag(pb);
2442 }
2443 } else if (track->tag == MKTAG('r','t','p',' ')) {
2444 mov_write_hmhd_tag(pb);
2445 } else if (track->tag == MKTAG('t','m','c','d')) {
2446 if (track->mode != MODE_MOV)
2447 mov_write_nmhd_tag(pb);
2448 else
2449 mov_write_gmhd_tag(pb, track);
2450 }
2451 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
2452 mov_write_hdlr_tag(s, pb, NULL);
2453 mov_write_dinf_tag(pb);
2454 if ((ret = mov_write_stbl_tag(s, pb, mov, track)) < 0)
2455 return ret;
2456 return update_size(pb, pos);
2457}
2458
2459static int mov_write_mdhd_tag(AVIOContext *pb, MOVMuxContext *mov,
2460 MOVTrack *track)
2461{
2462 int version = track->track_duration < INT32_MAX ? 0 : 1;
2463
2464 if (track->mode == MODE_ISM)
2465 version = 1;
2466
2467 (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
2468 ffio_wfourcc(pb, "mdhd");
2469 avio_w8(pb, version);
2470 avio_wb24(pb, 0); /* flags */
2471 if (version == 1) {
2472 avio_wb64(pb, track->time);
2473 avio_wb64(pb, track->time);
2474 } else {
2475 avio_wb32(pb, track->time); /* creation time */
2476 avio_wb32(pb, track->time); /* modification time */
2477 }
2478 avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
2479 if (!track->entry && mov->mode == MODE_ISM)
2480 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
2481 else if (!track->entry)
2482 (version == 1) ? avio_wb64(pb, 0) : avio_wb32(pb, 0);
2483 else
2484 (version == 1) ? avio_wb64(pb, track->track_duration) : avio_wb32(pb, track->track_duration); /* duration */
2485 avio_wb16(pb, track->language); /* language */
2486 avio_wb16(pb, 0); /* reserved (quality) */
2487
2488 if (version != 0 && track->mode == MODE_MOV) {
2489 av_log(NULL, AV_LOG_ERROR,
2490 "FATAL error, file duration too long for timebase, this file will not be\n"
2491 "playable with quicktime. Choose a different timebase or a different\n"
2492 "container format\n");
2493 }
2494
2495 return 32;
2496}
2497
2498static int mov_write_mdia_tag(AVFormatContext *s, AVIOContext *pb,
2499 MOVMuxContext *mov, MOVTrack *track)
2500{
2501 int64_t pos = avio_tell(pb);
2502 int ret;
2503
2504 avio_wb32(pb, 0); /* size */
2505 ffio_wfourcc(pb, "mdia");
2506 mov_write_mdhd_tag(pb, mov, track);
2507 mov_write_hdlr_tag(s, pb, track);
2508 if ((ret = mov_write_minf_tag(s, pb, mov, track)) < 0)
2509 return ret;
2510 return update_size(pb, pos);
2511}
2512
2513/* transformation matrix
2514 |a b u|
2515 |c d v|
2516 |tx ty w| */
2517static void write_matrix(AVIOContext *pb, int16_t a, int16_t b, int16_t c,
2518 int16_t d, int16_t tx, int16_t ty)
2519{
2520 avio_wb32(pb, a << 16); /* 16.16 format */
2521 avio_wb32(pb, b << 16); /* 16.16 format */
2522 avio_wb32(pb, 0); /* u in 2.30 format */
2523 avio_wb32(pb, c << 16); /* 16.16 format */
2524 avio_wb32(pb, d << 16); /* 16.16 format */
2525 avio_wb32(pb, 0); /* v in 2.30 format */
2526 avio_wb32(pb, tx << 16); /* 16.16 format */
2527 avio_wb32(pb, ty << 16); /* 16.16 format */
2528 avio_wb32(pb, 1 << 30); /* w in 2.30 format */
2529}
2530
2531static int mov_write_tkhd_tag(AVIOContext *pb, MOVMuxContext *mov,
2532 MOVTrack *track, AVStream *st)
2533{
2534 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
2535 track->timescale, AV_ROUND_UP);
2536 int version = duration < INT32_MAX ? 0 : 1;
2537 int flags = MOV_TKHD_FLAG_IN_MOVIE;
2538 int rotation = 0;
2539 int group = 0;
2540
2541 uint32_t *display_matrix = NULL;
2542 int display_matrix_size, i;
2543
2544 if (st) {
2545 if (mov->per_stream_grouping)
2546 group = st->index;
2547 else
2548 group = st->codecpar->codec_type;
2549
2550 display_matrix = (uint32_t*)av_stream_get_side_data(st, AV_PKT_DATA_DISPLAYMATRIX,
2551 &display_matrix_size);
2552 if (display_matrix && display_matrix_size < 9 * sizeof(*display_matrix))
2553 display_matrix = NULL;
2554 }
2555
2556 if (track->flags & MOV_TRACK_ENABLED)
2557 flags |= MOV_TKHD_FLAG_ENABLED;
2558
2559 if (track->mode == MODE_ISM)
2560 version = 1;
2561
2562 (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
2563 ffio_wfourcc(pb, "tkhd");
2564 avio_w8(pb, version);
2565 avio_wb24(pb, flags);
2566 if (version == 1) {
2567 avio_wb64(pb, track->time);
2568 avio_wb64(pb, track->time);
2569 } else {
2570 avio_wb32(pb, track->time); /* creation time */
2571 avio_wb32(pb, track->time); /* modification time */
2572 }
2573 avio_wb32(pb, track->track_id); /* track-id */
2574 avio_wb32(pb, 0); /* reserved */
2575 if (!track->entry && mov->mode == MODE_ISM)
2576 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
2577 else if (!track->entry)
2578 (version == 1) ? avio_wb64(pb, 0) : avio_wb32(pb, 0);
2579 else
2580 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
2581
2582 avio_wb32(pb, 0); /* reserved */
2583 avio_wb32(pb, 0); /* reserved */
2584 avio_wb16(pb, 0); /* layer */
2585 avio_wb16(pb, group); /* alternate group) */
2586 /* Volume, only for audio */
2587 if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
2588 avio_wb16(pb, 0x0100);
2589 else
2590 avio_wb16(pb, 0);
2591 avio_wb16(pb, 0); /* reserved */
2592
2593 /* Matrix structure */
2594#if FF_API_OLD_ROTATE_API
2595 if (st && st->metadata) {
2596 AVDictionaryEntry *rot = av_dict_get(st->metadata, "rotate", NULL, 0);
2597 rotation = (rot && rot->value) ? atoi(rot->value) : 0;
2598 }
2599#endif
2600 if (display_matrix) {
2601 for (i = 0; i < 9; i++)
2602 avio_wb32(pb, display_matrix[i]);
2603#if FF_API_OLD_ROTATE_API
2604 } else if (rotation == 90) {
2605 write_matrix(pb, 0, 1, -1, 0, track->par->height, 0);
2606 } else if (rotation == 180) {
2607 write_matrix(pb, -1, 0, 0, -1, track->par->width, track->par->height);
2608 } else if (rotation == 270) {
2609 write_matrix(pb, 0, -1, 1, 0, 0, track->par->width);
2610#endif
2611 } else {
2612 write_matrix(pb, 1, 0, 0, 1, 0, 0);
2613 }
2614 /* Track width and height, for visual only */
2615 if (st && (track->par->codec_type == AVMEDIA_TYPE_VIDEO ||
2616 track->par->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
2617 int64_t track_width_1616;
2618 if (track->mode == MODE_MOV) {
2619 track_width_1616 = track->par->width * 0x10000ULL;
2620 } else {
2621 track_width_1616 = av_rescale(st->sample_aspect_ratio.num,
2622 track->par->width * 0x10000LL,
2623 st->sample_aspect_ratio.den);
2624 if (!track_width_1616 ||
2625 track->height != track->par->height ||
2626 track_width_1616 > UINT32_MAX)
2627 track_width_1616 = track->par->width * 0x10000ULL;
2628 }
2629 if (track_width_1616 > UINT32_MAX) {
2630 av_log(mov->fc, AV_LOG_WARNING, "track width is too large\n");
2631 track_width_1616 = 0;
2632 }
2633 avio_wb32(pb, track_width_1616);
2634 if (track->height > 0xFFFF) {
2635 av_log(mov->fc, AV_LOG_WARNING, "track height is too large\n");
2636 avio_wb32(pb, 0);
2637 } else
2638 avio_wb32(pb, track->height * 0x10000U);
2639 } else {
2640 avio_wb32(pb, 0);
2641 avio_wb32(pb, 0);
2642 }
2643 return 0x5c;
2644}
2645
2646static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
2647{
2648 int32_t width = av_rescale(track->par->sample_aspect_ratio.num, track->par->width,
2649 track->par->sample_aspect_ratio.den);
2650
2651 int64_t pos = avio_tell(pb);
2652
2653 avio_wb32(pb, 0); /* size */
2654 ffio_wfourcc(pb, "tapt");
2655
2656 avio_wb32(pb, 20);
2657 ffio_wfourcc(pb, "clef");
2658 avio_wb32(pb, 0);
2659 avio_wb32(pb, width << 16);
2660 avio_wb32(pb, track->par->height << 16);
2661
2662 avio_wb32(pb, 20);
2663 ffio_wfourcc(pb, "prof");
2664 avio_wb32(pb, 0);
2665 avio_wb32(pb, width << 16);
2666 avio_wb32(pb, track->par->height << 16);
2667
2668 avio_wb32(pb, 20);
2669 ffio_wfourcc(pb, "enof");
2670 avio_wb32(pb, 0);
2671 avio_wb32(pb, track->par->width << 16);
2672 avio_wb32(pb, track->par->height << 16);
2673
2674 return update_size(pb, pos);
2675}
2676
2677// This box seems important for the psp playback ... without it the movie seems to hang
2678static int mov_write_edts_tag(AVIOContext *pb, MOVMuxContext *mov,
2679 MOVTrack *track)
2680{
2681 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
2682 track->timescale, AV_ROUND_UP);
2683 int version = duration < INT32_MAX ? 0 : 1;
2684 int entry_size, entry_count, size;
2685 int64_t delay, start_ct = track->start_cts;
2686 int64_t start_dts = track->start_dts;
2687
2688 if (track->entry) {
2689 if (start_dts != track->cluster[0].dts || start_ct != track->cluster[0].cts) {
2690
2691 av_log(mov->fc, AV_LOG_DEBUG,
2692 "EDTS using dts:%"PRId64" cts:%d instead of dts:%"PRId64" cts:%"PRId64" tid:%d\n",
2693 track->cluster[0].dts, track->cluster[0].cts,
2694 start_dts, start_ct, track->track_id);
2695 start_dts = track->cluster[0].dts;
2696 start_ct = track->cluster[0].cts;
2697 }
2698 }
2699
2700 delay = av_rescale_rnd(start_dts + start_ct, MOV_TIMESCALE,
2701 track->timescale, AV_ROUND_DOWN);
2702 version |= delay < INT32_MAX ? 0 : 1;
2703
2704 entry_size = (version == 1) ? 20 : 12;
2705 entry_count = 1 + (delay > 0);
2706 size = 24 + entry_count * entry_size;
2707
2708 /* write the atom data */
2709 avio_wb32(pb, size);
2710 ffio_wfourcc(pb, "edts");
2711 avio_wb32(pb, size - 8);
2712 ffio_wfourcc(pb, "elst");
2713 avio_w8(pb, version);
2714 avio_wb24(pb, 0); /* flags */
2715
2716 avio_wb32(pb, entry_count);
2717 if (delay > 0) { /* add an empty edit to delay presentation */
2718 /* In the positive delay case, the delay includes the cts
2719 * offset, and the second edit list entry below trims out
2720 * the same amount from the actual content. This makes sure
2721 * that the offset last sample is included in the edit
2722 * list duration as well. */
2723 if (version == 1) {
2724 avio_wb64(pb, delay);
2725 avio_wb64(pb, -1);
2726 } else {
2727 avio_wb32(pb, delay);
2728 avio_wb32(pb, -1);
2729 }
2730 avio_wb32(pb, 0x00010000);
2731 } else {
2732 /* Avoid accidentally ending up with start_ct = -1 which has got a
2733 * special meaning. Normally start_ct should end up positive or zero
2734 * here, but use FFMIN in case dts is a small positive integer
2735 * rounded to 0 when represented in MOV_TIMESCALE units. */
2736 av_assert0(av_rescale_rnd(start_dts, MOV_TIMESCALE, track->timescale, AV_ROUND_DOWN) <= 0);
2737 start_ct = -FFMIN(start_dts, 0);
2738 /* Note, this delay is calculated from the pts of the first sample,
2739 * ensuring that we don't reduce the duration for cases with
2740 * dts<0 pts=0. */
2741 duration += delay;
2742 }
2743
2744 /* For fragmented files, we don't know the full length yet. Setting
2745 * duration to 0 allows us to only specify the offset, including
2746 * the rest of the content (from all future fragments) without specifying
2747 * an explicit duration. */
2748 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
2749 duration = 0;
2750
2751 /* duration */
2752 if (version == 1) {
2753 avio_wb64(pb, duration);
2754 avio_wb64(pb, start_ct);
2755 } else {
2756 avio_wb32(pb, duration);
2757 avio_wb32(pb, start_ct);
2758 }
2759 avio_wb32(pb, 0x00010000);
2760 return size;
2761}
2762
2763static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
2764{
2765 avio_wb32(pb, 20); // size
2766 ffio_wfourcc(pb, "tref");
2767 avio_wb32(pb, 12); // size (subatom)
2768 avio_wl32(pb, track->tref_tag);
2769 avio_wb32(pb, track->tref_id);
2770 return 20;
2771}
2772
2773// goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
2774static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
2775{
2776 avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
2777 ffio_wfourcc(pb, "uuid");
2778 ffio_wfourcc(pb, "USMT");
2779 avio_wb32(pb, 0x21d24fce);
2780 avio_wb32(pb, 0xbb88695c);
2781 avio_wb32(pb, 0xfac9c740);
2782 avio_wb32(pb, 0x1c); // another size here!
2783 ffio_wfourcc(pb, "MTDT");
2784 avio_wb32(pb, 0x00010012);
2785 avio_wb32(pb, 0x0a);
2786 avio_wb32(pb, 0x55c40000);
2787 avio_wb32(pb, 0x1);
2788 avio_wb32(pb, 0x0);
2789 return 0x34;
2790}
2791
2792static int mov_write_udta_sdp(AVIOContext *pb, MOVTrack *track)
2793{
2794 AVFormatContext *ctx = track->rtp_ctx;
2795 char buf[1000] = "";
2796 int len;
2797
2798 ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0], track->src_track,
2799 NULL, NULL, 0, 0, ctx);
2800 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", track->track_id);
2801 len = strlen(buf);
2802
2803 avio_wb32(pb, len + 24);
2804 ffio_wfourcc(pb, "udta");
2805 avio_wb32(pb, len + 16);
2806 ffio_wfourcc(pb, "hnti");
2807 avio_wb32(pb, len + 8);
2808 ffio_wfourcc(pb, "sdp ");
2809 avio_write(pb, buf, len);
2810 return len + 24;
2811}
2812
2813static int mov_write_track_metadata(AVIOContext *pb, AVStream *st,
2814 const char *tag, const char *str)
2815{
2816 int64_t pos = avio_tell(pb);
2817 AVDictionaryEntry *t = av_dict_get(st->metadata, str, NULL, 0);
2818 if (!t || !utf8len(t->value))
2819 return 0;
2820
2821 avio_wb32(pb, 0); /* size */
2822 ffio_wfourcc(pb, tag); /* type */
2823 avio_write(pb, t->value, strlen(t->value)); /* UTF8 string value */
2824 return update_size(pb, pos);
2825}
2826
2827static int mov_write_track_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
2828 AVStream *st)
2829{
2830 AVIOContext *pb_buf;
2831 int ret, size;
2832 uint8_t *buf;
2833
2834 if (!st)
2835 return 0;
2836
2837 ret = avio_open_dyn_buf(&pb_buf);
2838 if (ret < 0)
2839 return ret;
2840
2841 if (mov->mode & MODE_MP4)
2842 mov_write_track_metadata(pb_buf, st, "name", "title");
2843
2844 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
2845 avio_wb32(pb, size + 8);
2846 ffio_wfourcc(pb, "udta");
2847 avio_write(pb, buf, size);
2848 }
2849 av_free(buf);
2850
2851 return 0;
2852}
2853
2854static int mov_write_trak_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov,
2855 MOVTrack *track, AVStream *st)
2856{
2857 int64_t pos = avio_tell(pb);
2858 int entry_backup = track->entry;
2859 int chunk_backup = track->chunkCount;
2860 int ret;
2861
2862 /* If we want to have an empty moov, but some samples already have been
2863 * buffered (delay_moov), pretend that no samples have been written yet. */
2864 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV)
2865 track->chunkCount = track->entry = 0;
2866
2867 avio_wb32(pb, 0); /* size */
2868 ffio_wfourcc(pb, "trak");
2869 mov_write_tkhd_tag(pb, mov, track, st);
2870
2871 av_assert2(mov->use_editlist >= 0);
2872
2873 if (track->start_dts != AV_NOPTS_VALUE) {
2874 if (mov->use_editlist)
2875 mov_write_edts_tag(pb, mov, track); // PSP Movies and several other cases require edts box
2876 else if ((track->entry && track->cluster[0].dts) || track->mode == MODE_PSP || is_clcp_track(track))
2877 av_log(mov->fc, AV_LOG_WARNING,
2878 "Not writing any edit list even though one would have been required\n");
2879 }
2880
2881 if (track->tref_tag)
2882 mov_write_tref_tag(pb, track);
2883
2884 if ((ret = mov_write_mdia_tag(s, pb, mov, track)) < 0)
2885 return ret;
2886 if (track->mode == MODE_PSP)
2887 mov_write_uuid_tag_psp(pb, track); // PSP Movies require this uuid box
2888 if (track->tag == MKTAG('r','t','p',' '))
2889 mov_write_udta_sdp(pb, track);
2890 if (track->mode == MODE_MOV) {
2891 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
2892 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
2893 if (st->sample_aspect_ratio.num && 1.0 != sample_aspect_ratio) {
2894 mov_write_tapt_tag(pb, track);
2895 }
2896 }
2897 if (is_clcp_track(track) && st->sample_aspect_ratio.num) {
2898 mov_write_tapt_tag(pb, track);
2899 }
2900 }
2901 mov_write_track_udta_tag(pb, mov, st);
2902 track->entry = entry_backup;
2903 track->chunkCount = chunk_backup;
2904 return update_size(pb, pos);
2905}
2906
2907static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
2908{
2909 int i, has_audio = 0, has_video = 0;
2910 int64_t pos = avio_tell(pb);
2911 int audio_profile = mov->iods_audio_profile;
2912 int video_profile = mov->iods_video_profile;
2913 for (i = 0; i < mov->nb_streams; i++) {
2914 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
2915 has_audio |= mov->tracks[i].par->codec_type == AVMEDIA_TYPE_AUDIO;
2916 has_video |= mov->tracks[i].par->codec_type == AVMEDIA_TYPE_VIDEO;
2917 }
2918 }
2919 if (audio_profile < 0)
2920 audio_profile = 0xFF - has_audio;
2921 if (video_profile < 0)
2922 video_profile = 0xFF - has_video;
2923 avio_wb32(pb, 0x0); /* size */
2924 ffio_wfourcc(pb, "iods");
2925 avio_wb32(pb, 0); /* version & flags */
2926 put_descr(pb, 0x10, 7);
2927 avio_wb16(pb, 0x004f);
2928 avio_w8(pb, 0xff);
2929 avio_w8(pb, 0xff);
2930 avio_w8(pb, audio_profile);
2931 avio_w8(pb, video_profile);
2932 avio_w8(pb, 0xff);
2933 return update_size(pb, pos);
2934}
2935
2936static int mov_write_trex_tag(AVIOContext *pb, MOVTrack *track)
2937{
2938 avio_wb32(pb, 0x20); /* size */
2939 ffio_wfourcc(pb, "trex");
2940 avio_wb32(pb, 0); /* version & flags */
2941 avio_wb32(pb, track->track_id); /* track ID */
2942 avio_wb32(pb, 1); /* default sample description index */
2943 avio_wb32(pb, 0); /* default sample duration */
2944 avio_wb32(pb, 0); /* default sample size */
2945 avio_wb32(pb, 0); /* default sample flags */
2946 return 0;
2947}
2948
2949static int mov_write_mvex_tag(AVIOContext *pb, MOVMuxContext *mov)
2950{
2951 int64_t pos = avio_tell(pb);
2952 int i;
2953 avio_wb32(pb, 0x0); /* size */
2954 ffio_wfourcc(pb, "mvex");
2955 for (i = 0; i < mov->nb_streams; i++)
2956 mov_write_trex_tag(pb, &mov->tracks[i]);
2957 return update_size(pb, pos);
2958}
2959
2960static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
2961{
2962 int max_track_id = 1, i;
2963 int64_t max_track_len = 0;
2964 int version;
2965
2966 for (i = 0; i < mov->nb_streams; i++) {
2967 if (mov->tracks[i].entry > 0 && mov->tracks[i].timescale) {
2968 int64_t max_track_len_temp = av_rescale_rnd(mov->tracks[i].track_duration,
2969 MOV_TIMESCALE,
2970 mov->tracks[i].timescale,
2971 AV_ROUND_UP);
2972 if (max_track_len < max_track_len_temp)
2973 max_track_len = max_track_len_temp;
2974 if (max_track_id < mov->tracks[i].track_id)
2975 max_track_id = mov->tracks[i].track_id;
2976 }
2977 }
2978 /* If using delay_moov, make sure the output is the same as if no
2979 * samples had been written yet. */
2980 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
2981 max_track_len = 0;
2982 max_track_id = 1;
2983 }
2984
2985 version = max_track_len < UINT32_MAX ? 0 : 1;
2986 avio_wb32(pb, version == 1 ? 120 : 108); /* size */
2987
2988 ffio_wfourcc(pb, "mvhd");
2989 avio_w8(pb, version);
2990 avio_wb24(pb, 0); /* flags */
2991 if (version == 1) {
2992 avio_wb64(pb, mov->time);
2993 avio_wb64(pb, mov->time);
2994 } else {
2995 avio_wb32(pb, mov->time); /* creation time */
2996 avio_wb32(pb, mov->time); /* modification time */
2997 }
2998 avio_wb32(pb, MOV_TIMESCALE);
2999 (version == 1) ? avio_wb64(pb, max_track_len) : avio_wb32(pb, max_track_len); /* duration of longest track */
3000
3001 avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
3002 avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
3003 avio_wb16(pb, 0); /* reserved */
3004 avio_wb32(pb, 0); /* reserved */
3005 avio_wb32(pb, 0); /* reserved */
3006
3007 /* Matrix structure */
3008 write_matrix(pb, 1, 0, 0, 1, 0, 0);
3009
3010 avio_wb32(pb, 0); /* reserved (preview time) */
3011 avio_wb32(pb, 0); /* reserved (preview duration) */
3012 avio_wb32(pb, 0); /* reserved (poster time) */
3013 avio_wb32(pb, 0); /* reserved (selection time) */
3014 avio_wb32(pb, 0); /* reserved (selection duration) */
3015 avio_wb32(pb, 0); /* reserved (current time) */
3016 avio_wb32(pb, max_track_id + 1); /* Next track id */
3017 return 0x6c;
3018}
3019
3020static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
3021 AVFormatContext *s)
3022{
3023 avio_wb32(pb, 33); /* size */
3024 ffio_wfourcc(pb, "hdlr");
3025 avio_wb32(pb, 0);
3026 avio_wb32(pb, 0);
3027 ffio_wfourcc(pb, "mdir");
3028 ffio_wfourcc(pb, "appl");
3029 avio_wb32(pb, 0);
3030 avio_wb32(pb, 0);
3031 avio_w8(pb, 0);
3032 return 33;
3033}
3034
3035/* helper function to write a data tag with the specified string as data */
3036static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
3037{
3038 if (long_style) {
3039 int size = 16 + strlen(data);
3040 avio_wb32(pb, size); /* size */
3041 ffio_wfourcc(pb, "data");
3042 avio_wb32(pb, 1);
3043 avio_wb32(pb, 0);
3044 avio_write(pb, data, strlen(data));
3045 return size;
3046 } else {
3047 if (!lang)
3048 lang = ff_mov_iso639_to_lang("und", 1);
3049 avio_wb16(pb, strlen(data)); /* string length */
3050 avio_wb16(pb, lang);
3051 avio_write(pb, data, strlen(data));
3052 return strlen(data) + 4;
3053 }
3054}
3055
3056static int mov_write_string_tag(AVIOContext *pb, const char *name,
3057 const char *value, int lang, int long_style)
3058{
3059 int size = 0;
3060 if (value && value[0]) {
3061 int64_t pos = avio_tell(pb);
3062 avio_wb32(pb, 0); /* size */
3063 ffio_wfourcc(pb, name);
3064 mov_write_string_data_tag(pb, value, lang, long_style);
3065 size = update_size(pb, pos);
3066 }
3067 return size;
3068}
3069
3070static AVDictionaryEntry *get_metadata_lang(AVFormatContext *s,
3071 const char *tag, int *lang)
3072{
3073 int l, len, len2;
3074 AVDictionaryEntry *t, *t2 = NULL;
3075 char tag2[16];
3076
3077 *lang = 0;
3078
3079 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
3080 return NULL;
3081
3082 len = strlen(t->key);
3083 snprintf(tag2, sizeof(tag2), "%s-", tag);
3084 while ((t2 = av_dict_get(s->metadata, tag2, t2, AV_DICT_IGNORE_SUFFIX))) {
3085 len2 = strlen(t2->key);
3086 if (len2 == len + 4 && !strcmp(t->value, t2->value)
3087 && (l = ff_mov_iso639_to_lang(&t2->key[len2 - 3], 1)) >= 0) {
3088 *lang = l;
3089 return t;
3090 }
3091 }
3092 return t;
3093}
3094
3095static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
3096 const char *name, const char *tag,
3097 int long_style)
3098{
3099 int lang;
3100 AVDictionaryEntry *t = get_metadata_lang(s, tag, &lang);
3101 if (!t)
3102 return 0;
3103 return mov_write_string_tag(pb, name, t->value, lang, long_style);
3104}
3105
3106/* iTunes bpm number */
3107static int mov_write_tmpo_tag(AVIOContext *pb, AVFormatContext *s)
3108{
3109 AVDictionaryEntry *t = av_dict_get(s->metadata, "tmpo", NULL, 0);
3110 int size = 0, tmpo = t ? atoi(t->value) : 0;
3111 if (tmpo) {
3112 size = 26;
3113 avio_wb32(pb, size);
3114 ffio_wfourcc(pb, "tmpo");
3115 avio_wb32(pb, size-8); /* size */
3116 ffio_wfourcc(pb, "data");
3117 avio_wb32(pb, 0x15); //type specifier
3118 avio_wb32(pb, 0);
3119 avio_wb16(pb, tmpo); // data
3120 }
3121 return size;
3122}
3123
3124/* 3GPP TS 26.244 */
3125static int mov_write_loci_tag(AVFormatContext *s, AVIOContext *pb)
3126{
3127 int lang;
3128 int64_t pos = avio_tell(pb);
3129 double latitude, longitude, altitude;
3130 int32_t latitude_fix, longitude_fix, altitude_fix;
3131 AVDictionaryEntry *t = get_metadata_lang(s, "location", &lang);
3132 const char *ptr, *place = "";
3133 char *end;
3134 static const char *astronomical_body = "earth";
3135 if (!t)
3136 return 0;
3137
3138 ptr = t->value;
3139 longitude = strtod(ptr, &end);
3140 if (end == ptr) {
3141 av_log(s, AV_LOG_WARNING, "malformed location metadata\n");
3142 return 0;
3143 }
3144 ptr = end;
3145 latitude = strtod(ptr, &end);
3146 if (end == ptr) {
3147 av_log(s, AV_LOG_WARNING, "malformed location metadata\n");
3148 return 0;
3149 }
3150 ptr = end;
3151 altitude = strtod(ptr, &end);
3152 /* If no altitude was present, the default 0 should be fine */
3153 if (*end == '/')
3154 place = end + 1;
3155
3156 latitude_fix = (int32_t) ((1 << 16) * latitude);
3157 longitude_fix = (int32_t) ((1 << 16) * longitude);
3158 altitude_fix = (int32_t) ((1 << 16) * altitude);
3159
3160 avio_wb32(pb, 0); /* size */
3161 ffio_wfourcc(pb, "loci"); /* type */
3162 avio_wb32(pb, 0); /* version + flags */
3163 avio_wb16(pb, lang);
3164 avio_write(pb, place, strlen(place) + 1);
3165 avio_w8(pb, 0); /* role of place (0 == shooting location, 1 == real location, 2 == fictional location) */
3166 avio_wb32(pb, latitude_fix);
3167 avio_wb32(pb, longitude_fix);
3168 avio_wb32(pb, altitude_fix);
3169 avio_write(pb, astronomical_body, strlen(astronomical_body) + 1);
3170 avio_w8(pb, 0); /* additional notes, null terminated string */
3171
3172 return update_size(pb, pos);
3173}
3174
3175/* iTunes track or disc number */
3176static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
3177 AVFormatContext *s, int disc)
3178{
3179 AVDictionaryEntry *t = av_dict_get(s->metadata,
3180 disc ? "disc" : "track",
3181 NULL, 0);
3182 int size = 0, track = t ? atoi(t->value) : 0;
3183 if (track) {
3184 int tracks = 0;
3185 char *slash = strchr(t->value, '/');
3186 if (slash)
3187 tracks = atoi(slash + 1);
3188 avio_wb32(pb, 32); /* size */
3189 ffio_wfourcc(pb, disc ? "disk" : "trkn");
3190 avio_wb32(pb, 24); /* size */
3191 ffio_wfourcc(pb, "data");
3192 avio_wb32(pb, 0); // 8 bytes empty
3193 avio_wb32(pb, 0);
3194 avio_wb16(pb, 0); // empty
3195 avio_wb16(pb, track); // track / disc number
3196 avio_wb16(pb, tracks); // total track / disc number
3197 avio_wb16(pb, 0); // empty
3198 size = 32;
3199 }
3200 return size;
3201}
3202
3203static int mov_write_int8_metadata(AVFormatContext *s, AVIOContext *pb,
3204 const char *name, const char *tag,
3205 int len)
3206{
3207 AVDictionaryEntry *t = NULL;
3208 uint8_t num;
3209 int size = 24 + len;
3210
3211 if (len != 1 && len != 4)
3212 return -1;
3213
3214 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
3215 return 0;
3216 num = atoi(t->value);
3217
3218 avio_wb32(pb, size);
3219 ffio_wfourcc(pb, name);
3220 avio_wb32(pb, size - 8);
3221 ffio_wfourcc(pb, "data");
3222 avio_wb32(pb, 0x15);
3223 avio_wb32(pb, 0);
3224 if (len==4) avio_wb32(pb, num);
3225 else avio_w8 (pb, num);
3226
3227 return size;
3228}
3229
3230/* iTunes meta data list */
3231static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
3232 AVFormatContext *s)
3233{
3234 int64_t pos = avio_tell(pb);
3235 avio_wb32(pb, 0); /* size */
3236 ffio_wfourcc(pb, "ilst");
3237 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
3238 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
3239 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
3240 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
3241 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
3242 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
3243 if (!mov_write_string_metadata(s, pb, "\251too", "encoding_tool", 1)) {
3244 if (!(s->flags & AVFMT_FLAG_BITEXACT))
3245 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
3246 }
3247 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
3248 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
3249 mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1);
3250 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
3251 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
3252 mov_write_string_metadata(s, pb, "desc", "description",1);
3253 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
3254 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
3255 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
3256 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
3257 mov_write_int8_metadata (s, pb, "tves", "episode_sort",4);
3258 mov_write_int8_metadata (s, pb, "tvsn", "season_number",4);
3259 mov_write_int8_metadata (s, pb, "stik", "media_type",1);
3260 mov_write_int8_metadata (s, pb, "hdvd", "hd_video", 1);
3261 mov_write_int8_metadata (s, pb, "pgap", "gapless_playback",1);
3262 mov_write_int8_metadata (s, pb, "cpil", "compilation", 1);
3263 mov_write_trkn_tag(pb, mov, s, 0); // track number
3264 mov_write_trkn_tag(pb, mov, s, 1); // disc number
3265 mov_write_tmpo_tag(pb, s);
3266 return update_size(pb, pos);
3267}
3268
3269static int mov_write_mdta_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
3270 AVFormatContext *s)
3271{
3272 avio_wb32(pb, 33); /* size */
3273 ffio_wfourcc(pb, "hdlr");
3274 avio_wb32(pb, 0);
3275 avio_wb32(pb, 0);
3276 ffio_wfourcc(pb, "mdta");
3277 avio_wb32(pb, 0);
3278 avio_wb32(pb, 0);
3279 avio_wb32(pb, 0);
3280 avio_w8(pb, 0);
3281 return 33;
3282}
3283
3284static int mov_write_mdta_keys_tag(AVIOContext *pb, MOVMuxContext *mov,
3285 AVFormatContext *s)
3286{
3287 AVDictionaryEntry *t = NULL;
3288 int64_t pos = avio_tell(pb);
3289 int64_t curpos, entry_pos;
3290 int count = 0;
3291
3292 avio_wb32(pb, 0); /* size */
3293 ffio_wfourcc(pb, "keys");
3294 avio_wb32(pb, 0);
3295 entry_pos = avio_tell(pb);
3296 avio_wb32(pb, 0); /* entry count */
3297
3298 while (t = av_dict_get(s->metadata, "", t, AV_DICT_IGNORE_SUFFIX)) {
3299 avio_wb32(pb, strlen(t->key) + 8);
3300 ffio_wfourcc(pb, "mdta");
3301 avio_write(pb, t->key, strlen(t->key));
3302 count += 1;
3303 }
3304 curpos = avio_tell(pb);
3305 avio_seek(pb, entry_pos, SEEK_SET);
3306 avio_wb32(pb, count); // rewrite entry count
3307 avio_seek(pb, curpos, SEEK_SET);
3308
3309 return update_size(pb, pos);
3310}
3311
3312static int mov_write_mdta_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
3313 AVFormatContext *s)
3314{
3315 AVDictionaryEntry *t = NULL;
3316 int64_t pos = avio_tell(pb);
3317 int count = 1; /* keys are 1-index based */
3318
3319 avio_wb32(pb, 0); /* size */
3320 ffio_wfourcc(pb, "ilst");
3321
3322 while (t = av_dict_get(s->metadata, "", t, AV_DICT_IGNORE_SUFFIX)) {
3323 int64_t entry_pos = avio_tell(pb);
3324 avio_wb32(pb, 0); /* size */
3325 avio_wb32(pb, count); /* key */
3326 mov_write_string_data_tag(pb, t->value, 0, 1);
3327 update_size(pb, entry_pos);
3328 count += 1;
3329 }
3330 return update_size(pb, pos);
3331}
3332
3333/* meta data tags */
3334static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
3335 AVFormatContext *s)
3336{
3337 int size = 0;
3338 int64_t pos = avio_tell(pb);
3339 avio_wb32(pb, 0); /* size */
3340 ffio_wfourcc(pb, "meta");
3341 avio_wb32(pb, 0);
3342 if (mov->flags & FF_MOV_FLAG_USE_MDTA) {
3343 mov_write_mdta_hdlr_tag(pb, mov, s);
3344 mov_write_mdta_keys_tag(pb, mov, s);
3345 mov_write_mdta_ilst_tag(pb, mov, s);
3346 }
3347 else {
3348 /* iTunes metadata tag */
3349 mov_write_itunes_hdlr_tag(pb, mov, s);
3350 mov_write_ilst_tag(pb, mov, s);
3351 }
3352 size = update_size(pb, pos);
3353 return size;
3354}
3355
3356static int mov_write_raw_metadata_tag(AVFormatContext *s, AVIOContext *pb,
3357 const char *name, const char *key)
3358{
3359 int len;
3360 AVDictionaryEntry *t;
3361
3362 if (!(t = av_dict_get(s->metadata, key, NULL, 0)))
3363 return 0;
3364
3365 len = strlen(t->value);
3366 if (len > 0) {
3367 int size = len + 8;
3368 avio_wb32(pb, size);
3369 ffio_wfourcc(pb, name);
3370 avio_write(pb, t->value, len);
3371 return size;
3372 }
3373 return 0;
3374}
3375
3376static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
3377{
3378 int val;
3379 while (*b) {
3380 GET_UTF8(val, *b++, return -1;)
3381 avio_wb16(pb, val);
3382 }
3383 avio_wb16(pb, 0x00);
3384 return 0;
3385}
3386
3387static uint16_t language_code(const char *str)
3388{
3389 return (((str[0] - 0x60) & 0x1F) << 10) +
3390 (((str[1] - 0x60) & 0x1F) << 5) +
3391 (( str[2] - 0x60) & 0x1F);
3392}
3393
3394static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
3395 const char *tag, const char *str)
3396{
3397 int64_t pos = avio_tell(pb);
3398 AVDictionaryEntry *t = av_dict_get(s->metadata, str, NULL, 0);
3399 if (!t || !utf8len(t->value))
3400 return 0;
3401 avio_wb32(pb, 0); /* size */
3402 ffio_wfourcc(pb, tag); /* type */
3403 avio_wb32(pb, 0); /* version + flags */
3404 if (!strcmp(tag, "yrrc"))
3405 avio_wb16(pb, atoi(t->value));
3406 else {
3407 avio_wb16(pb, language_code("eng")); /* language */
3408 avio_write(pb, t->value, strlen(t->value) + 1); /* UTF8 string value */
3409 if (!strcmp(tag, "albm") &&
3410 (t = av_dict_get(s->metadata, "track", NULL, 0)))
3411 avio_w8(pb, atoi(t->value));
3412 }
3413 return update_size(pb, pos);
3414}
3415
3416static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
3417{
3418 int64_t pos = avio_tell(pb);
3419 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
3420
3421 avio_wb32(pb, 0); // size
3422 ffio_wfourcc(pb, "chpl");
3423 avio_wb32(pb, 0x01000000); // version + flags
3424 avio_wb32(pb, 0); // unknown
3425 avio_w8(pb, nb_chapters);
3426
3427 for (i = 0; i < nb_chapters; i++) {
3428 AVChapter *c = s->chapters[i];
3429 AVDictionaryEntry *t;
3430 avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
3431
3432 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
3433 int len = FFMIN(strlen(t->value), 255);
3434 avio_w8(pb, len);
3435 avio_write(pb, t->value, len);
3436 } else
3437 avio_w8(pb, 0);
3438 }
3439 return update_size(pb, pos);
3440}
3441
3442static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
3443 AVFormatContext *s)
3444{
3445 AVIOContext *pb_buf;
3446 int ret, size;
3447 uint8_t *buf;
3448
3449 ret = avio_open_dyn_buf(&pb_buf);
3450 if (ret < 0)
3451 return ret;
3452
3453 if (mov->mode & MODE_3GP) {
3454 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
3455 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
3456 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
3457 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
3458 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
3459 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
3460 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
3461 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
3462 mov_write_loci_tag(s, pb_buf);
3463 } else if (mov->mode == MODE_MOV && !(mov->flags & FF_MOV_FLAG_USE_MDTA)) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
3464 mov_write_string_metadata(s, pb_buf, "\251ART", "artist", 0);
3465 mov_write_string_metadata(s, pb_buf, "\251nam", "title", 0);
3466 mov_write_string_metadata(s, pb_buf, "\251aut", "author", 0);
3467 mov_write_string_metadata(s, pb_buf, "\251alb", "album", 0);
3468 mov_write_string_metadata(s, pb_buf, "\251day", "date", 0);
3469 mov_write_string_metadata(s, pb_buf, "\251swr", "encoder", 0);
3470 // currently ignored by mov.c
3471 mov_write_string_metadata(s, pb_buf, "\251des", "comment", 0);
3472 // add support for libquicktime, this atom is also actually read by mov.c
3473 mov_write_string_metadata(s, pb_buf, "\251cmt", "comment", 0);
3474 mov_write_string_metadata(s, pb_buf, "\251gen", "genre", 0);
3475 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright", 0);
3476 mov_write_string_metadata(s, pb_buf, "\251mak", "make", 0);
3477 mov_write_string_metadata(s, pb_buf, "\251mod", "model", 0);
3478 mov_write_string_metadata(s, pb_buf, "\251xyz", "location", 0);
3479 mov_write_raw_metadata_tag(s, pb_buf, "XMP_", "xmp");
3480 } else {
3481 /* iTunes meta data */
3482 mov_write_meta_tag(pb_buf, mov, s);
3483 mov_write_loci_tag(s, pb_buf);
3484 }
3485
3486 if (s->nb_chapters && !(mov->flags & FF_MOV_FLAG_DISABLE_CHPL))
3487 mov_write_chpl_tag(pb_buf, s);
3488
3489 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
3490 avio_wb32(pb, size + 8);
3491 ffio_wfourcc(pb, "udta");
3492 avio_write(pb, buf, size);
3493 }
3494 av_free(buf);
3495
3496 return 0;
3497}
3498
3499static void mov_write_psp_udta_tag(AVIOContext *pb,
3500 const char *str, const char *lang, int type)
3501{
3502 int len = utf8len(str) + 1;
3503 if (len <= 0)
3504 return;
3505 avio_wb16(pb, len * 2 + 10); /* size */
3506 avio_wb32(pb, type); /* type */
3507 avio_wb16(pb, language_code(lang)); /* language */
3508 avio_wb16(pb, 0x01); /* ? */
3509 ascii_to_wc(pb, str);
3510}
3511
3512static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
3513{
3514 AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0);
3515 int64_t pos, pos2;
3516
3517 if (title) {
3518 pos = avio_tell(pb);
3519 avio_wb32(pb, 0); /* size placeholder*/
3520 ffio_wfourcc(pb, "uuid");
3521 ffio_wfourcc(pb, "USMT");
3522 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
3523 avio_wb32(pb, 0xbb88695c);
3524 avio_wb32(pb, 0xfac9c740);
3525
3526 pos2 = avio_tell(pb);
3527 avio_wb32(pb, 0); /* size placeholder*/
3528 ffio_wfourcc(pb, "MTDT");
3529 avio_wb16(pb, 4);
3530
3531 // ?
3532 avio_wb16(pb, 0x0C); /* size */
3533 avio_wb32(pb, 0x0B); /* type */
3534 avio_wb16(pb, language_code("und")); /* language */
3535 avio_wb16(pb, 0x0); /* ? */
3536 avio_wb16(pb, 0x021C); /* data */
3537
3538 if (!(s->flags & AVFMT_FLAG_BITEXACT))
3539 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
3540 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
3541 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
3542
3543 update_size(pb, pos2);
3544 return update_size(pb, pos);
3545 }
3546
3547 return 0;
3548}
3549
3550static void build_chunks(MOVTrack *trk)
3551{
3552 int i;
3553 MOVIentry *chunk = &trk->cluster[0];
3554 uint64_t chunkSize = chunk->size;
3555 chunk->chunkNum = 1;
3556 if (trk->chunkCount)
3557 return;
3558 trk->chunkCount = 1;
3559 for (i = 1; i<trk->entry; i++){
3560 if (chunk->pos + chunkSize == trk->cluster[i].pos &&
3561 chunkSize + trk->cluster[i].size < (1<<20)){
3562 chunkSize += trk->cluster[i].size;
3563 chunk->samples_in_chunk += trk->cluster[i].entries;
3564 } else {
3565 trk->cluster[i].chunkNum = chunk->chunkNum+1;
3566 chunk=&trk->cluster[i];
3567 chunkSize = chunk->size;
3568 trk->chunkCount++;
3569 }
3570 }
3571}
3572
3573/**
3574 * Assign track ids. If option "use_stream_ids_as_track_ids" is set,
3575 * the stream ids are used as track ids.
3576 *
3577 * This assumes mov->tracks and s->streams are in the same order and
3578 * there are no gaps in either of them (so mov->tracks[n] refers to
3579 * s->streams[n]).
3580 *
3581 * As an exception, there can be more entries in
3582 * s->streams than in mov->tracks, in which case new track ids are
3583 * generated (starting after the largest found stream id).
3584 */
3585static int mov_setup_track_ids(MOVMuxContext *mov, AVFormatContext *s)
3586{
3587 int i;
3588
3589 if (mov->track_ids_ok)
3590 return 0;
3591
3592 if (mov->use_stream_ids_as_track_ids) {
3593 int next_generated_track_id = 0;
3594 for (i = 0; i < s->nb_streams; i++) {
3595 if (s->streams[i]->id > next_generated_track_id)
3596 next_generated_track_id = s->streams[i]->id;
3597 }
3598
3599 for (i = 0; i < mov->nb_streams; i++) {
3600 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
3601 continue;
3602
3603 mov->tracks[i].track_id = i >= s->nb_streams ? ++next_generated_track_id : s->streams[i]->id;
3604 }
3605 } else {
3606 for (i = 0; i < mov->nb_streams; i++) {
3607 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
3608 continue;
3609
3610 mov->tracks[i].track_id = i + 1;
3611 }
3612 }
3613
3614 mov->track_ids_ok = 1;
3615
3616 return 0;
3617}
3618
3619static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
3620 AVFormatContext *s)
3621{
3622 int i;
3623 int64_t pos = avio_tell(pb);
3624 avio_wb32(pb, 0); /* size placeholder*/
3625 ffio_wfourcc(pb, "moov");
3626
3627 mov_setup_track_ids(mov, s);
3628
3629 for (i = 0; i < mov->nb_streams; i++) {
3630 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
3631 continue;
3632
3633 mov->tracks[i].time = mov->time;
3634
3635 if (mov->tracks[i].entry)
3636 build_chunks(&mov->tracks[i]);
3637 }
3638
3639 if (mov->chapter_track)
3640 for (i = 0; i < s->nb_streams; i++) {
3641 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
3642 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].track_id;
3643 }
3644 for (i = 0; i < mov->nb_streams; i++) {
3645 MOVTrack *track = &mov->tracks[i];
3646 if (track->tag == MKTAG('r','t','p',' ')) {
3647 track->tref_tag = MKTAG('h','i','n','t');
3648 track->tref_id = mov->tracks[track->src_track].track_id;
3649 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
3650 int * fallback, size;
3651 fallback = (int*)av_stream_get_side_data(track->st,
3652 AV_PKT_DATA_FALLBACK_TRACK,
3653 &size);
3654 if (fallback != NULL && size == sizeof(int)) {
3655 if (*fallback >= 0 && *fallback < mov->nb_streams) {
3656 track->tref_tag = MKTAG('f','a','l','l');
3657 track->tref_id = mov->tracks[*fallback].track_id;
3658 }
3659 }
3660 }
3661 }
3662 for (i = 0; i < mov->nb_streams; i++) {
3663 if (mov->tracks[i].tag == MKTAG('t','m','c','d')) {
3664 int src_trk = mov->tracks[i].src_track;
3665 mov->tracks[src_trk].tref_tag = mov->tracks[i].tag;
3666 mov->tracks[src_trk].tref_id = mov->tracks[i].track_id;
3667 //src_trk may have a different timescale than the tmcd track
3668 mov->tracks[i].track_duration = av_rescale(mov->tracks[src_trk].track_duration,
3669 mov->tracks[i].timescale,
3670 mov->tracks[src_trk].timescale);
3671 }
3672 }
3673
3674 mov_write_mvhd_tag(pb, mov);
3675 if (mov->mode != MODE_MOV && !mov->iods_skip)
3676 mov_write_iods_tag(pb, mov);
3677 for (i = 0; i < mov->nb_streams; i++) {
3678 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_FRAGMENT) {
3679 int ret = mov_write_trak_tag(s, pb, mov, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
3680 if (ret < 0)
3681 return ret;
3682 }
3683 }
3684 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
3685 mov_write_mvex_tag(pb, mov); /* QuickTime requires trak to precede this */
3686
3687 if (mov->mode == MODE_PSP)
3688 mov_write_uuidusmt_tag(pb, s);
3689 else
3690 mov_write_udta_tag(pb, mov, s);
3691
3692 return update_size(pb, pos);
3693}
3694
3695static void param_write_int(AVIOContext *pb, const char *name, int value)
3696{
3697 avio_printf(pb, "<param name=\"%s\" value=\"%d\" valuetype=\"data\"/>\n", name, value);
3698}
3699
3700static void param_write_string(AVIOContext *pb, const char *name, const char *value)
3701{
3702 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, value);
3703}
3704
3705static void param_write_hex(AVIOContext *pb, const char *name, const uint8_t *value, int len)
3706{
3707 char buf[150];
3708 len = FFMIN(sizeof(buf) / 2 - 1, len);
3709 ff_data_to_hex(buf, value, len, 0);
3710 buf[2 * len] = '\0';
3711 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, buf);
3712}
3713
3714static int mov_write_isml_manifest(AVIOContext *pb, MOVMuxContext *mov, AVFormatContext *s)
3715{
3716 int64_t pos = avio_tell(pb);
3717 int i;
3718 int64_t manifest_bit_rate = 0;
3719 AVCPBProperties *props = NULL;
3720
3721 static const uint8_t uuid[] = {
3722 0xa5, 0xd4, 0x0b, 0x30, 0xe8, 0x14, 0x11, 0xdd,
3723 0xba, 0x2f, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66
3724 };
3725
3726 avio_wb32(pb, 0);
3727 ffio_wfourcc(pb, "uuid");
3728 avio_write(pb, uuid, sizeof(uuid));
3729 avio_wb32(pb, 0);
3730
3731 avio_printf(pb, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
3732 avio_printf(pb, "<smil xmlns=\"http://www.w3.org/2001/SMIL20/Language\">\n");
3733 avio_printf(pb, "<head>\n");
3734 if (!(mov->fc->flags & AVFMT_FLAG_BITEXACT))
3735 avio_printf(pb, "<meta name=\"creator\" content=\"%s\" />\n",
3736 LIBAVFORMAT_IDENT);
3737 avio_printf(pb, "</head>\n");
3738 avio_printf(pb, "<body>\n");
3739 avio_printf(pb, "<switch>\n");
3740
3741 mov_setup_track_ids(mov, s);
3742
3743 for (i = 0; i < mov->nb_streams; i++) {
3744 MOVTrack *track = &mov->tracks[i];
3745 const char *type;
3746 int track_id = track->track_id;
3747 char track_name_buf[32] = { 0 };
3748
3749 AVStream *st = track->st;
3750 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
3751
3752 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
3753 type = "video";
3754 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
3755 type = "audio";
3756 } else {
3757 continue;
3758 }
3759
3760 props = (AVCPBProperties*)av_stream_get_side_data(track->st, AV_PKT_DATA_CPB_PROPERTIES, NULL);
3761
3762 if (track->par->bit_rate) {
3763 manifest_bit_rate = track->par->bit_rate;
3764 } else if (props) {
3765 manifest_bit_rate = props->max_bitrate;
3766 }
3767
3768 avio_printf(pb, "<%s systemBitrate=\"%"PRId64"\">\n", type,
3769 manifest_bit_rate);
3770 param_write_int(pb, "systemBitrate", manifest_bit_rate);
3771 param_write_int(pb, "trackID", track_id);
3772 param_write_string(pb, "systemLanguage", lang ? lang->value : "und");
3773
3774 /* Build track name piece by piece: */
3775 /* 1. track type */
3776 av_strlcat(track_name_buf, type, sizeof(track_name_buf));
3777 /* 2. track language, if available */
3778 if (lang)
3779 av_strlcatf(track_name_buf, sizeof(track_name_buf),
3780 "_%s", lang->value);
3781 /* 3. special type suffix */
3782 /* "_cc" = closed captions, "_ad" = audio_description */
3783 if (st->disposition & AV_DISPOSITION_HEARING_IMPAIRED)
3784 av_strlcat(track_name_buf, "_cc", sizeof(track_name_buf));
3785 else if (st->disposition & AV_DISPOSITION_VISUAL_IMPAIRED)
3786 av_strlcat(track_name_buf, "_ad", sizeof(track_name_buf));
3787
3788 param_write_string(pb, "trackName", track_name_buf);
3789
3790 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
3791 if (track->par->codec_id == AV_CODEC_ID_H264) {
3792 uint8_t *ptr;
3793 int size = track->par->extradata_size;
3794 if (!ff_avc_write_annexb_extradata(track->par->extradata, &ptr,
3795 &size)) {
3796 param_write_hex(pb, "CodecPrivateData",
3797 ptr ? ptr : track->par->extradata,
3798 size);
3799 av_free(ptr);
3800 }
3801 param_write_string(pb, "FourCC", "H264");
3802 } else if (track->par->codec_id == AV_CODEC_ID_VC1) {
3803 param_write_string(pb, "FourCC", "WVC1");
3804 param_write_hex(pb, "CodecPrivateData", track->par->extradata,
3805 track->par->extradata_size);
3806 }
3807 param_write_int(pb, "MaxWidth", track->par->width);
3808 param_write_int(pb, "MaxHeight", track->par->height);
3809 param_write_int(pb, "DisplayWidth", track->par->width);
3810 param_write_int(pb, "DisplayHeight", track->par->height);
3811 } else {
3812 if (track->par->codec_id == AV_CODEC_ID_AAC) {
3813 switch (track->par->profile)
3814 {
3815 case FF_PROFILE_AAC_HE_V2:
3816 param_write_string(pb, "FourCC", "AACP");
3817 break;
3818 case FF_PROFILE_AAC_HE:
3819 param_write_string(pb, "FourCC", "AACH");
3820 break;
3821 default:
3822 param_write_string(pb, "FourCC", "AACL");
3823 }
3824 } else if (track->par->codec_id == AV_CODEC_ID_WMAPRO) {
3825 param_write_string(pb, "FourCC", "WMAP");
3826 }
3827 param_write_hex(pb, "CodecPrivateData", track->par->extradata,
3828 track->par->extradata_size);
3829 param_write_int(pb, "AudioTag", ff_codec_get_tag(ff_codec_wav_tags,
3830 track->par->codec_id));
3831 param_write_int(pb, "Channels", track->par->channels);
3832 param_write_int(pb, "SamplingRate", track->par->sample_rate);
3833 param_write_int(pb, "BitsPerSample", 16);
3834 param_write_int(pb, "PacketSize", track->par->block_align ?
3835 track->par->block_align : 4);
3836 }
3837 avio_printf(pb, "</%s>\n", type);
3838 }
3839 avio_printf(pb, "</switch>\n");
3840 avio_printf(pb, "</body>\n");
3841 avio_printf(pb, "</smil>\n");
3842
3843 return update_size(pb, pos);
3844}
3845
3846static int mov_write_mfhd_tag(AVIOContext *pb, MOVMuxContext *mov)
3847{
3848 avio_wb32(pb, 16);
3849 ffio_wfourcc(pb, "mfhd");
3850 avio_wb32(pb, 0);
3851 avio_wb32(pb, mov->fragments);
3852 return 0;
3853}
3854
3855static uint32_t get_sample_flags(MOVTrack *track, MOVIentry *entry)
3856{
3857 return entry->flags & MOV_SYNC_SAMPLE ? MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO :
3858 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC);
3859}
3860
3861static int mov_write_tfhd_tag(AVIOContext *pb, MOVMuxContext *mov,
3862 MOVTrack *track, int64_t moof_offset)
3863{
3864 int64_t pos = avio_tell(pb);
3865 uint32_t flags = MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
3866 MOV_TFHD_BASE_DATA_OFFSET;
3867 if (!track->entry) {
3868 flags |= MOV_TFHD_DURATION_IS_EMPTY;
3869 } else {
3870 flags |= MOV_TFHD_DEFAULT_FLAGS;
3871 }
3872 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET)
3873 flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
3874 if (mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF) {
3875 flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
3876 flags |= MOV_TFHD_DEFAULT_BASE_IS_MOOF;
3877 }
3878
3879 /* Don't set a default sample size, the silverlight player refuses
3880 * to play files with that set. Don't set a default sample duration,
3881 * WMP freaks out if it is set. Don't set a base data offset, PIFF
3882 * file format says it MUST NOT be set. */
3883 if (track->mode == MODE_ISM)
3884 flags &= ~(MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
3885 MOV_TFHD_BASE_DATA_OFFSET);
3886
3887 avio_wb32(pb, 0); /* size placeholder */
3888 ffio_wfourcc(pb, "tfhd");
3889 avio_w8(pb, 0); /* version */
3890 avio_wb24(pb, flags);
3891
3892 avio_wb32(pb, track->track_id); /* track-id */
3893 if (flags & MOV_TFHD_BASE_DATA_OFFSET)
3894 avio_wb64(pb, moof_offset);
3895 if (flags & MOV_TFHD_DEFAULT_DURATION) {
3896 track->default_duration = get_cluster_duration(track, 0);
3897 avio_wb32(pb, track->default_duration);
3898 }
3899 if (flags & MOV_TFHD_DEFAULT_SIZE) {
3900 track->default_size = track->entry ? track->cluster[0].size : 1;
3901 avio_wb32(pb, track->default_size);
3902 } else
3903 track->default_size = -1;
3904
3905 if (flags & MOV_TFHD_DEFAULT_FLAGS) {
3906 /* Set the default flags based on the second sample, if available.
3907 * If the first sample is different, that can be signaled via a separate field. */
3908 if (track->entry > 1)
3909 track->default_sample_flags = get_sample_flags(track, &track->cluster[1]);
3910 else
3911 track->default_sample_flags =
3912 track->par->codec_type == AVMEDIA_TYPE_VIDEO ?
3913 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC) :
3914 MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO;
3915 avio_wb32(pb, track->default_sample_flags);
3916 }
3917
3918 return update_size(pb, pos);
3919}
3920
3921static int mov_write_trun_tag(AVIOContext *pb, MOVMuxContext *mov,
3922 MOVTrack *track, int moof_size,
3923 int first, int end)
3924{
3925 int64_t pos = avio_tell(pb);
3926 uint32_t flags = MOV_TRUN_DATA_OFFSET;
3927 int i;
3928
3929 for (i = first; i < end; i++) {
3930 if (get_cluster_duration(track, i) != track->default_duration)
3931 flags |= MOV_TRUN_SAMPLE_DURATION;
3932 if (track->cluster[i].size != track->default_size)
3933 flags |= MOV_TRUN_SAMPLE_SIZE;
3934 if (i > first && get_sample_flags(track, &track->cluster[i]) != track->default_sample_flags)
3935 flags |= MOV_TRUN_SAMPLE_FLAGS;
3936 }
3937 if (!(flags & MOV_TRUN_SAMPLE_FLAGS) && track->entry > 0 &&
3938 get_sample_flags(track, &track->cluster[0]) != track->default_sample_flags)
3939 flags |= MOV_TRUN_FIRST_SAMPLE_FLAGS;
3940 if (track->flags & MOV_TRACK_CTTS)
3941 flags |= MOV_TRUN_SAMPLE_CTS;
3942
3943 avio_wb32(pb, 0); /* size placeholder */
3944 ffio_wfourcc(pb, "trun");
3945 avio_w8(pb, 0); /* version */
3946 avio_wb24(pb, flags);
3947
3948 avio_wb32(pb, end - first); /* sample count */
3949 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET &&
3950 !(mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF) &&
3951 !mov->first_trun)
3952 avio_wb32(pb, 0); /* Later tracks follow immediately after the previous one */
3953 else
3954 avio_wb32(pb, moof_size + 8 + track->data_offset +
3955 track->cluster[first].pos); /* data offset */
3956 if (flags & MOV_TRUN_FIRST_SAMPLE_FLAGS)
3957 avio_wb32(pb, get_sample_flags(track, &track->cluster[first]));
3958
3959 for (i = first; i < end; i++) {
3960 if (flags & MOV_TRUN_SAMPLE_DURATION)
3961 avio_wb32(pb, get_cluster_duration(track, i));
3962 if (flags & MOV_TRUN_SAMPLE_SIZE)
3963 avio_wb32(pb, track->cluster[i].size);
3964 if (flags & MOV_TRUN_SAMPLE_FLAGS)
3965 avio_wb32(pb, get_sample_flags(track, &track->cluster[i]));
3966 if (flags & MOV_TRUN_SAMPLE_CTS)
3967 avio_wb32(pb, track->cluster[i].cts);
3968 }
3969
3970 mov->first_trun = 0;
3971 return update_size(pb, pos);
3972}
3973
3974static int mov_write_tfxd_tag(AVIOContext *pb, MOVTrack *track)
3975{
3976 int64_t pos = avio_tell(pb);
3977 static const uint8_t uuid[] = {
3978 0x6d, 0x1d, 0x9b, 0x05, 0x42, 0xd5, 0x44, 0xe6,
3979 0x80, 0xe2, 0x14, 0x1d, 0xaf, 0xf7, 0x57, 0xb2
3980 };
3981
3982 avio_wb32(pb, 0); /* size placeholder */
3983 ffio_wfourcc(pb, "uuid");
3984 avio_write(pb, uuid, sizeof(uuid));
3985 avio_w8(pb, 1);
3986 avio_wb24(pb, 0);
3987 avio_wb64(pb, track->start_dts + track->frag_start +
3988 track->cluster[0].cts);
3989 avio_wb64(pb, track->end_pts -
3990 (track->cluster[0].dts + track->cluster[0].cts));
3991
3992 return update_size(pb, pos);
3993}
3994
3995static int mov_write_tfrf_tag(AVIOContext *pb, MOVMuxContext *mov,
3996 MOVTrack *track, int entry)
3997{
3998 int n = track->nb_frag_info - 1 - entry, i;
3999 int size = 8 + 16 + 4 + 1 + 16*n;
4000 static const uint8_t uuid[] = {
4001 0xd4, 0x80, 0x7e, 0xf2, 0xca, 0x39, 0x46, 0x95,
4002 0x8e, 0x54, 0x26, 0xcb, 0x9e, 0x46, 0xa7, 0x9f
4003 };
4004
4005 if (entry < 0)
4006 return 0;
4007
4008 avio_seek(pb, track->frag_info[entry].tfrf_offset, SEEK_SET);
4009 avio_wb32(pb, size);
4010 ffio_wfourcc(pb, "uuid");
4011 avio_write(pb, uuid, sizeof(uuid));
4012 avio_w8(pb, 1);
4013 avio_wb24(pb, 0);
4014 avio_w8(pb, n);
4015 for (i = 0; i < n; i++) {
4016 int index = entry + 1 + i;
4017 avio_wb64(pb, track->frag_info[index].time);
4018 avio_wb64(pb, track->frag_info[index].duration);
4019 }
4020 if (n < mov->ism_lookahead) {
4021 int free_size = 16 * (mov->ism_lookahead - n);
4022 avio_wb32(pb, free_size);
4023 ffio_wfourcc(pb, "free");
4024 ffio_fill(pb, 0, free_size - 8);
4025 }
4026
4027 return 0;
4028}
4029
4030static int mov_write_tfrf_tags(AVIOContext *pb, MOVMuxContext *mov,
4031 MOVTrack *track)
4032{
4033 int64_t pos = avio_tell(pb);
4034 int i;
4035 for (i = 0; i < mov->ism_lookahead; i++) {
4036 /* Update the tfrf tag for the last ism_lookahead fragments,
4037 * nb_frag_info - 1 is the next fragment to be written. */
4038 mov_write_tfrf_tag(pb, mov, track, track->nb_frag_info - 2 - i);
4039 }
4040 avio_seek(pb, pos, SEEK_SET);
4041 return 0;
4042}
4043
4044static int mov_add_tfra_entries(AVIOContext *pb, MOVMuxContext *mov, int tracks,
4045 int size)
4046{
4047 int i;
4048 for (i = 0; i < mov->nb_streams; i++) {
4049 MOVTrack *track = &mov->tracks[i];
4050 MOVFragmentInfo *info;
4051 if ((tracks >= 0 && i != tracks) || !track->entry)
4052 continue;
4053 track->nb_frag_info++;
4054 if (track->nb_frag_info >= track->frag_info_capacity) {
4055 unsigned new_capacity = track->nb_frag_info + MOV_FRAG_INFO_ALLOC_INCREMENT;
4056 if (av_reallocp_array(&track->frag_info,
4057 new_capacity,
4058 sizeof(*track->frag_info)))
4059 return AVERROR(ENOMEM);
4060 track->frag_info_capacity = new_capacity;
4061 }
4062 info = &track->frag_info[track->nb_frag_info - 1];
4063 info->offset = avio_tell(pb);
4064 info->size = size;
4065 // Try to recreate the original pts for the first packet
4066 // from the fields we have stored
4067 info->time = track->start_dts + track->frag_start +
4068 track->cluster[0].cts;
4069 info->duration = track->end_pts -
4070 (track->cluster[0].dts + track->cluster[0].cts);
4071 // If the pts is less than zero, we will have trimmed
4072 // away parts of the media track using an edit list,
4073 // and the corresponding start presentation time is zero.
4074 if (info->time < 0) {
4075 info->duration += info->time;
4076 info->time = 0;
4077 }
4078 info->tfrf_offset = 0;
4079 mov_write_tfrf_tags(pb, mov, track);
4080 }
4081 return 0;
4082}
4083
4084static void mov_prune_frag_info(MOVMuxContext *mov, int tracks, int max)
4085{
4086 int i;
4087 for (i = 0; i < mov->nb_streams; i++) {
4088 MOVTrack *track = &mov->tracks[i];
4089 if ((tracks >= 0 && i != tracks) || !track->entry)
4090 continue;
4091 if (track->nb_frag_info > max) {
4092 memmove(track->frag_info, track->frag_info + (track->nb_frag_info - max), max * sizeof(*track->frag_info));
4093 track->nb_frag_info = max;
4094 }
4095 }
4096}
4097
4098static int mov_write_tfdt_tag(AVIOContext *pb, MOVTrack *track)
4099{
4100 int64_t pos = avio_tell(pb);
4101
4102 avio_wb32(pb, 0); /* size */
4103 ffio_wfourcc(pb, "tfdt");
4104 avio_w8(pb, 1); /* version */
4105 avio_wb24(pb, 0);
4106 avio_wb64(pb, track->frag_start);
4107 return update_size(pb, pos);
4108}
4109
4110static int mov_write_traf_tag(AVIOContext *pb, MOVMuxContext *mov,
4111 MOVTrack *track, int64_t moof_offset,
4112 int moof_size)
4113{
4114 int64_t pos = avio_tell(pb);
4115 int i, start = 0;
4116 avio_wb32(pb, 0); /* size placeholder */
4117 ffio_wfourcc(pb, "traf");
4118
4119 mov_write_tfhd_tag(pb, mov, track, moof_offset);
4120 if (mov->mode != MODE_ISM)
4121 mov_write_tfdt_tag(pb, track);
4122 for (i = 1; i < track->entry; i++) {
4123 if (track->cluster[i].pos != track->cluster[i - 1].pos + track->cluster[i - 1].size) {
4124 mov_write_trun_tag(pb, mov, track, moof_size, start, i);
4125 start = i;
4126 }
4127 }
4128 mov_write_trun_tag(pb, mov, track, moof_size, start, track->entry);
4129 if (mov->mode == MODE_ISM) {
4130 mov_write_tfxd_tag(pb, track);
4131
4132 if (mov->ism_lookahead) {
4133 int i, size = 16 + 4 + 1 + 16 * mov->ism_lookahead;
4134
4135 if (track->nb_frag_info > 0) {
4136 MOVFragmentInfo *info = &track->frag_info[track->nb_frag_info - 1];
4137 if (!info->tfrf_offset)
4138 info->tfrf_offset = avio_tell(pb);
4139 }
4140 avio_wb32(pb, 8 + size);
4141 ffio_wfourcc(pb, "free");
4142 for (i = 0; i < size; i++)
4143 avio_w8(pb, 0);
4144 }
4145 }
4146
4147 return update_size(pb, pos);
4148}
4149
4150static int mov_write_moof_tag_internal(AVIOContext *pb, MOVMuxContext *mov,
4151 int tracks, int moof_size)
4152{
4153 int64_t pos = avio_tell(pb);
4154 int i;
4155
4156 avio_wb32(pb, 0); /* size placeholder */
4157 ffio_wfourcc(pb, "moof");
4158 mov->first_trun = 1;
4159
4160 mov_write_mfhd_tag(pb, mov);
4161 for (i = 0; i < mov->nb_streams; i++) {
4162 MOVTrack *track = &mov->tracks[i];
4163 if (tracks >= 0 && i != tracks)
4164 continue;
4165 if (!track->entry)
4166 continue;
4167 mov_write_traf_tag(pb, mov, track, pos, moof_size);
4168 }
4169
4170 return update_size(pb, pos);
4171}
4172
4173static int mov_write_sidx_tag(AVIOContext *pb,
4174 MOVTrack *track, int ref_size, int total_sidx_size)
4175{
4176 int64_t pos = avio_tell(pb), offset_pos, end_pos;
4177 int64_t presentation_time, duration, offset;
4178 int starts_with_SAP, i, entries;
4179
4180 if (track->entry) {
4181 entries = 1;
4182 presentation_time = track->start_dts + track->frag_start +
4183 track->cluster[0].cts;
4184 duration = track->end_pts -
4185 (track->cluster[0].dts + track->cluster[0].cts);
4186 starts_with_SAP = track->cluster[0].flags & MOV_SYNC_SAMPLE;
4187
4188 // pts<0 should be cut away using edts
4189 if (presentation_time < 0) {
4190 duration += presentation_time;
4191 presentation_time = 0;
4192 }
4193 } else {
4194 entries = track->nb_frag_info;
4195 if (entries <= 0)
4196 return 0;
4197 presentation_time = track->frag_info[0].time;
4198 }
4199
4200 avio_wb32(pb, 0); /* size */
4201 ffio_wfourcc(pb, "sidx");
4202 avio_w8(pb, 1); /* version */
4203 avio_wb24(pb, 0);
4204 avio_wb32(pb, track->track_id); /* reference_ID */
4205 avio_wb32(pb, track->timescale); /* timescale */
4206 avio_wb64(pb, presentation_time); /* earliest_presentation_time */
4207 offset_pos = avio_tell(pb);
4208 avio_wb64(pb, 0); /* first_offset (offset to referenced moof) */
4209 avio_wb16(pb, 0); /* reserved */
4210
4211 avio_wb16(pb, entries); /* reference_count */
4212 for (i = 0; i < entries; i++) {
4213 if (!track->entry) {
4214 if (i > 1 && track->frag_info[i].offset != track->frag_info[i - 1].offset + track->frag_info[i - 1].size) {
4215 av_log(NULL, AV_LOG_ERROR, "Non-consecutive fragments, writing incorrect sidx\n");
4216 }
4217 duration = track->frag_info[i].duration;
4218 ref_size = track->frag_info[i].size;
4219 starts_with_SAP = 1;
4220 }
4221 avio_wb32(pb, (0 << 31) | (ref_size & 0x7fffffff)); /* reference_type (0 = media) | referenced_size */
4222 avio_wb32(pb, duration); /* subsegment_duration */
4223 avio_wb32(pb, (starts_with_SAP << 31) | (0 << 28) | 0); /* starts_with_SAP | SAP_type | SAP_delta_time */
4224 }
4225
4226 end_pos = avio_tell(pb);
4227 offset = pos + total_sidx_size - end_pos;
4228 avio_seek(pb, offset_pos, SEEK_SET);
4229 avio_wb64(pb, offset);
4230 avio_seek(pb, end_pos, SEEK_SET);
4231 return update_size(pb, pos);
4232}
4233
4234static int mov_write_sidx_tags(AVIOContext *pb, MOVMuxContext *mov,
4235 int tracks, int ref_size)
4236{
4237 int i, round, ret;
4238 AVIOContext *avio_buf;
4239 int total_size = 0;
4240 for (round = 0; round < 2; round++) {
4241 // First run one round to calculate the total size of all
4242 // sidx atoms.
4243 // This would be much simpler if we'd only write one sidx
4244 // atom, for the first track in the moof.
4245 if (round == 0) {
4246 if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
4247 return ret;
4248 } else {
4249 avio_buf = pb;
4250 }
4251 for (i = 0; i < mov->nb_streams; i++) {
4252 MOVTrack *track = &mov->tracks[i];
4253 if (tracks >= 0 && i != tracks)
4254 continue;
4255 // When writing a sidx for the full file, entry is 0, but
4256 // we want to include all tracks. ref_size is 0 in this case,
4257 // since we read it from frag_info instead.
4258 if (!track->entry && ref_size > 0)
4259 continue;
4260 total_size -= mov_write_sidx_tag(avio_buf, track, ref_size,
4261 total_size);
4262 }
4263 if (round == 0)
4264 total_size = ffio_close_null_buf(avio_buf);
4265 }
4266 return 0;
4267}
4268
4269static int mov_write_moof_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks,
4270 int64_t mdat_size)
4271{
4272 AVIOContext *avio_buf;
4273 int ret, moof_size;
4274
4275 if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
4276 return ret;
4277 mov_write_moof_tag_internal(avio_buf, mov, tracks, 0);
4278 moof_size = ffio_close_null_buf(avio_buf);
4279
4280 if (mov->flags & FF_MOV_FLAG_DASH && !(mov->flags & FF_MOV_FLAG_GLOBAL_SIDX))
4281 mov_write_sidx_tags(pb, mov, tracks, moof_size + 8 + mdat_size);
4282
4283 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX ||
4284 !(mov->flags & FF_MOV_FLAG_SKIP_TRAILER) ||
4285 mov->ism_lookahead) {
4286 if ((ret = mov_add_tfra_entries(pb, mov, tracks, moof_size + 8 + mdat_size)) < 0)
4287 return ret;
4288 if (!(mov->flags & FF_MOV_FLAG_GLOBAL_SIDX) &&
4289 mov->flags & FF_MOV_FLAG_SKIP_TRAILER) {
4290 mov_prune_frag_info(mov, tracks, mov->ism_lookahead + 1);
4291 }
4292 }
4293
4294 return mov_write_moof_tag_internal(pb, mov, tracks, moof_size);
4295}
4296
4297static int mov_write_tfra_tag(AVIOContext *pb, MOVTrack *track)
4298{
4299 int64_t pos = avio_tell(pb);
4300 int i;
4301
4302 avio_wb32(pb, 0); /* size placeholder */
4303 ffio_wfourcc(pb, "tfra");
4304 avio_w8(pb, 1); /* version */
4305 avio_wb24(pb, 0);
4306
4307 avio_wb32(pb, track->track_id);
4308 avio_wb32(pb, 0); /* length of traf/trun/sample num */
4309 avio_wb32(pb, track->nb_frag_info);
4310 for (i = 0; i < track->nb_frag_info; i++) {
4311 avio_wb64(pb, track->frag_info[i].time);
4312 avio_wb64(pb, track->frag_info[i].offset + track->data_offset);
4313 avio_w8(pb, 1); /* traf number */
4314 avio_w8(pb, 1); /* trun number */
4315 avio_w8(pb, 1); /* sample number */
4316 }
4317
4318 return update_size(pb, pos);
4319}
4320
4321static int mov_write_mfra_tag(AVIOContext *pb, MOVMuxContext *mov)
4322{
4323 int64_t pos = avio_tell(pb);
4324 int i;
4325
4326 avio_wb32(pb, 0); /* size placeholder */
4327 ffio_wfourcc(pb, "mfra");
4328 /* An empty mfra atom is enough to indicate to the publishing point that
4329 * the stream has ended. */
4330 if (mov->flags & FF_MOV_FLAG_ISML)
4331 return update_size(pb, pos);
4332
4333 for (i = 0; i < mov->nb_streams; i++) {
4334 MOVTrack *track = &mov->tracks[i];
4335 if (track->nb_frag_info)
4336 mov_write_tfra_tag(pb, track);
4337 }
4338
4339 avio_wb32(pb, 16);
4340 ffio_wfourcc(pb, "mfro");
4341 avio_wb32(pb, 0); /* version + flags */
4342 avio_wb32(pb, avio_tell(pb) + 4 - pos);
4343
4344 return update_size(pb, pos);
4345}
4346
4347static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
4348{
4349 avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
4350 ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
4351
4352 mov->mdat_pos = avio_tell(pb);
4353 avio_wb32(pb, 0); /* size placeholder*/
4354 ffio_wfourcc(pb, "mdat");
4355 return 0;
4356}
4357
4358/* TODO: This needs to be more general */
4359static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
4360{
4361 MOVMuxContext *mov = s->priv_data;
4362 int64_t pos = avio_tell(pb);
4363 int has_h264 = 0, has_video = 0;
4364 int minor = 0x200;
4365 int i;
4366
4367 for (i = 0; i < s->nb_streams; i++) {
4368 AVStream *st = s->streams[i];
4369 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
4370 has_video = 1;
4371 if (st->codecpar->codec_id == AV_CODEC_ID_H264)
4372 has_h264 = 1;
4373 }
4374
4375 avio_wb32(pb, 0); /* size */
4376 ffio_wfourcc(pb, "ftyp");
4377
4378 if (mov->major_brand && strlen(mov->major_brand) >= 4)
4379 ffio_wfourcc(pb, mov->major_brand);
4380 else if (mov->mode == MODE_3GP) {
4381 ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
4382 minor = has_h264 ? 0x100 : 0x200;
4383 } else if (mov->mode & MODE_3G2) {
4384 ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
4385 minor = has_h264 ? 0x20000 : 0x10000;
4386 } else if (mov->mode == MODE_PSP)
4387 ffio_wfourcc(pb, "MSNV");
4388 else if (mov->mode == MODE_MP4 && mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)
4389 ffio_wfourcc(pb, "iso5"); // Required when using default-base-is-moof
4390 else if (mov->mode == MODE_MP4)
4391 ffio_wfourcc(pb, "isom");
4392 else if (mov->mode == MODE_IPOD)
4393 ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
4394 else if (mov->mode == MODE_ISM)
4395 ffio_wfourcc(pb, "isml");
4396 else if (mov->mode == MODE_F4V)
4397 ffio_wfourcc(pb, "f4v ");
4398 else
4399 ffio_wfourcc(pb, "qt ");
4400
4401 avio_wb32(pb, minor);
4402
4403 if (mov->mode == MODE_MOV)
4404 ffio_wfourcc(pb, "qt ");
4405 else if (mov->mode == MODE_ISM) {
4406 ffio_wfourcc(pb, "piff");
4407 } else if (!(mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)) {
4408 ffio_wfourcc(pb, "isom");
4409 ffio_wfourcc(pb, "iso2");
4410 if (has_h264)
4411 ffio_wfourcc(pb, "avc1");
4412 }
4413
4414 // We add tfdt atoms when fragmenting, signal this with the iso6 compatible
4415 // brand. This is compatible with users that don't understand tfdt.
4416 if (mov->flags & FF_MOV_FLAG_FRAGMENT && mov->mode != MODE_ISM)
4417 ffio_wfourcc(pb, "iso6");
4418
4419 if (mov->mode == MODE_3GP)
4420 ffio_wfourcc(pb, has_h264 ? "3gp6":"3gp4");
4421 else if (mov->mode & MODE_3G2)
4422 ffio_wfourcc(pb, has_h264 ? "3g2b":"3g2a");
4423 else if (mov->mode == MODE_PSP)
4424 ffio_wfourcc(pb, "MSNV");
4425 else if (mov->mode == MODE_MP4)
4426 ffio_wfourcc(pb, "mp41");
4427
4428 if (mov->flags & FF_MOV_FLAG_DASH && mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
4429 ffio_wfourcc(pb, "dash");
4430
4431 return update_size(pb, pos);
4432}
4433
4434static int mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
4435{
4436 AVStream *video_st = s->streams[0];
4437 AVCodecParameters *video_par = s->streams[0]->codecpar;
4438 AVCodecParameters *audio_par = s->streams[1]->codecpar;
4439 int audio_rate = audio_par->sample_rate;
4440 int64_t frame_rate = video_st->avg_frame_rate.den ?
4441 (video_st->avg_frame_rate.num * 0x10000LL) / video_st->avg_frame_rate.den :
4442 0;
4443 int audio_kbitrate = audio_par->bit_rate / 1000;
4444 int video_kbitrate = FFMIN(video_par->bit_rate / 1000, 800 - audio_kbitrate);
4445
4446 if (frame_rate < 0 || frame_rate > INT32_MAX) {
4447 av_log(s, AV_LOG_ERROR, "Frame rate %f outside supported range\n", frame_rate / (double)0x10000);
4448 return AVERROR(EINVAL);
4449 }
4450
4451 avio_wb32(pb, 0x94); /* size */
4452 ffio_wfourcc(pb, "uuid");
4453 ffio_wfourcc(pb, "PROF");
4454
4455 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
4456 avio_wb32(pb, 0xbb88695c);
4457 avio_wb32(pb, 0xfac9c740);
4458
4459 avio_wb32(pb, 0x0); /* ? */
4460 avio_wb32(pb, 0x3); /* 3 sections ? */
4461
4462 avio_wb32(pb, 0x14); /* size */
4463 ffio_wfourcc(pb, "FPRF");
4464 avio_wb32(pb, 0x0); /* ? */
4465 avio_wb32(pb, 0x0); /* ? */
4466 avio_wb32(pb, 0x0); /* ? */
4467
4468 avio_wb32(pb, 0x2c); /* size */
4469 ffio_wfourcc(pb, "APRF"); /* audio */
4470 avio_wb32(pb, 0x0);
4471 avio_wb32(pb, 0x2); /* TrackID */
4472 ffio_wfourcc(pb, "mp4a");
4473 avio_wb32(pb, 0x20f);
4474 avio_wb32(pb, 0x0);
4475 avio_wb32(pb, audio_kbitrate);
4476 avio_wb32(pb, audio_kbitrate);
4477 avio_wb32(pb, audio_rate);
4478 avio_wb32(pb, audio_par->channels);
4479
4480 avio_wb32(pb, 0x34); /* size */
4481 ffio_wfourcc(pb, "VPRF"); /* video */
4482 avio_wb32(pb, 0x0);
4483 avio_wb32(pb, 0x1); /* TrackID */
4484 if (video_par->codec_id == AV_CODEC_ID_H264) {
4485 ffio_wfourcc(pb, "avc1");
4486 avio_wb16(pb, 0x014D);
4487 avio_wb16(pb, 0x0015);
4488 } else {
4489 ffio_wfourcc(pb, "mp4v");
4490 avio_wb16(pb, 0x0000);
4491 avio_wb16(pb, 0x0103);
4492 }
4493 avio_wb32(pb, 0x0);
4494 avio_wb32(pb, video_kbitrate);
4495 avio_wb32(pb, video_kbitrate);
4496 avio_wb32(pb, frame_rate);
4497 avio_wb32(pb, frame_rate);
4498 avio_wb16(pb, video_par->width);
4499 avio_wb16(pb, video_par->height);
4500 avio_wb32(pb, 0x010001); /* ? */
4501
4502 return 0;
4503}
4504
4505static int mov_write_identification(AVIOContext *pb, AVFormatContext *s)
4506{
4507 MOVMuxContext *mov = s->priv_data;
4508 int i;
4509
4510 mov_write_ftyp_tag(pb,s);
4511 if (mov->mode == MODE_PSP) {
4512 int video_streams_nb = 0, audio_streams_nb = 0, other_streams_nb = 0;
4513 for (i = 0; i < s->nb_streams; i++) {
4514 AVStream *st = s->streams[i];
4515 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
4516 video_streams_nb++;
4517 else if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO)
4518 audio_streams_nb++;
4519 else
4520 other_streams_nb++;
4521 }
4522
4523 if (video_streams_nb != 1 || audio_streams_nb != 1 || other_streams_nb) {
4524 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
4525 return AVERROR(EINVAL);
4526 }
4527 return mov_write_uuidprof_tag(pb, s);
4528 }
4529 return 0;
4530}
4531
4532static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
4533{
4534 uint32_t c = -1;
4535 int i, closed_gop = 0;
4536
4537 for (i = 0; i < pkt->size - 4; i++) {
4538 c = (c << 8) + pkt->data[i];
4539 if (c == 0x1b8) { // gop
4540 closed_gop = pkt->data[i + 4] >> 6 & 0x01;
4541 } else if (c == 0x100) { // pic
4542 int temp_ref = (pkt->data[i + 1] << 2) | (pkt->data[i + 2] >> 6);
4543 if (!temp_ref || closed_gop) // I picture is not reordered
4544 *flags = MOV_SYNC_SAMPLE;
4545 else
4546 *flags = MOV_PARTIAL_SYNC_SAMPLE;
4547 break;
4548 }
4549 }
4550 return 0;
4551}
4552
4553static void mov_parse_vc1_frame(AVPacket *pkt, MOVTrack *trk)
4554{
4555 const uint8_t *start, *next, *end = pkt->data + pkt->size;
4556 int seq = 0, entry = 0;
4557 int key = pkt->flags & AV_PKT_FLAG_KEY;
4558 start = find_next_marker(pkt->data, end);
4559 for (next = start; next < end; start = next) {
4560 next = find_next_marker(start + 4, end);
4561 switch (AV_RB32(start)) {
4562 case VC1_CODE_SEQHDR:
4563 seq = 1;
4564 break;
4565 case VC1_CODE_ENTRYPOINT:
4566 entry = 1;
4567 break;
4568 case VC1_CODE_SLICE:
4569 trk->vc1_info.slices = 1;
4570 break;
4571 }
4572 }
4573 if (!trk->entry && trk->vc1_info.first_packet_seen)
4574 trk->vc1_info.first_frag_written = 1;
4575 if (!trk->entry && !trk->vc1_info.first_frag_written) {
4576 /* First packet in first fragment */
4577 trk->vc1_info.first_packet_seq = seq;
4578 trk->vc1_info.first_packet_entry = entry;
4579 trk->vc1_info.first_packet_seen = 1;
4580 } else if ((seq && !trk->vc1_info.packet_seq) ||
4581 (entry && !trk->vc1_info.packet_entry)) {
4582 int i;
4583 for (i = 0; i < trk->entry; i++)
4584 trk->cluster[i].flags &= ~MOV_SYNC_SAMPLE;
4585 trk->has_keyframes = 0;
4586 if (seq)
4587 trk->vc1_info.packet_seq = 1;
4588 if (entry)
4589 trk->vc1_info.packet_entry = 1;
4590 if (!trk->vc1_info.first_frag_written) {
4591 /* First fragment */
4592 if ((!seq || trk->vc1_info.first_packet_seq) &&
4593 (!entry || trk->vc1_info.first_packet_entry)) {
4594 /* First packet had the same headers as this one, readd the
4595 * sync sample flag. */
4596 trk->cluster[0].flags |= MOV_SYNC_SAMPLE;
4597 trk->has_keyframes = 1;
4598 }
4599 }
4600 }
4601 if (trk->vc1_info.packet_seq && trk->vc1_info.packet_entry)
4602 key = seq && entry;
4603 else if (trk->vc1_info.packet_seq)
4604 key = seq;
4605 else if (trk->vc1_info.packet_entry)
4606 key = entry;
4607 if (key) {
4608 trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
4609 trk->has_keyframes++;
4610 }
4611}
4612
4613static int mov_flush_fragment_interleaving(AVFormatContext *s, MOVTrack *track)
4614{
4615 MOVMuxContext *mov = s->priv_data;
4616 int ret, buf_size;
4617 uint8_t *buf;
4618 int i, offset;
4619
4620 if (!track->mdat_buf)
4621 return 0;
4622 if (!mov->mdat_buf) {
4623 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
4624 return ret;
4625 }
4626 buf_size = avio_close_dyn_buf(track->mdat_buf, &buf);
4627 track->mdat_buf = NULL;
4628
4629 offset = avio_tell(mov->mdat_buf);
4630 avio_write(mov->mdat_buf, buf, buf_size);
4631 av_free(buf);
4632
4633 for (i = track->entries_flushed; i < track->entry; i++)
4634 track->cluster[i].pos += offset;
4635 track->entries_flushed = track->entry;
4636 return 0;
4637}
4638
4639static int mov_flush_fragment(AVFormatContext *s, int force)
4640{
4641 MOVMuxContext *mov = s->priv_data;
4642 int i, first_track = -1;
4643 int64_t mdat_size = 0;
4644 int ret;
4645 int has_video = 0, starts_with_key = 0, first_video_track = 1;
4646
4647 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
4648 return 0;
4649
4650 // Try to fill in the duration of the last packet in each stream
4651 // from queued packets in the interleave queues. If the flushing
4652 // of fragments was triggered automatically by an AVPacket, we
4653 // already have reliable info for the end of that track, but other
4654 // tracks may need to be filled in.
4655 for (i = 0; i < s->nb_streams; i++) {
4656 MOVTrack *track = &mov->tracks[i];
4657 if (!track->end_reliable) {
4658 AVPacket pkt;
4659 if (!ff_interleaved_peek(s, i, &pkt, 1)) {
4660 track->track_duration = pkt.dts - track->start_dts;
4661 if (pkt.pts != AV_NOPTS_VALUE)
4662 track->end_pts = pkt.pts;
4663 else
4664 track->end_pts = pkt.dts;
4665 }
4666 }
4667 }
4668
4669 for (i = 0; i < mov->nb_streams; i++) {
4670 MOVTrack *track = &mov->tracks[i];
4671 if (track->entry <= 1)
4672 continue;
4673 // Sample durations are calculated as the diff of dts values,
4674 // but for the last sample in a fragment, we don't know the dts
4675 // of the first sample in the next fragment, so we have to rely
4676 // on what was set as duration in the AVPacket. Not all callers
4677 // set this though, so we might want to replace it with an
4678 // estimate if it currently is zero.
4679 if (get_cluster_duration(track, track->entry - 1) != 0)
4680 continue;
4681 // Use the duration (i.e. dts diff) of the second last sample for
4682 // the last one. This is a wild guess (and fatal if it turns out
4683 // to be too long), but probably the best we can do - having a zero
4684 // duration is bad as well.
4685 track->track_duration += get_cluster_duration(track, track->entry - 2);
4686 track->end_pts += get_cluster_duration(track, track->entry - 2);
4687 if (!mov->missing_duration_warned) {
4688 av_log(s, AV_LOG_WARNING,
4689 "Estimating the duration of the last packet in a "
4690 "fragment, consider setting the duration field in "
4691 "AVPacket instead.\n");
4692 mov->missing_duration_warned = 1;
4693 }
4694 }
4695
4696 if (!mov->moov_written) {
4697 int64_t pos = avio_tell(s->pb);
4698 uint8_t *buf;
4699 int buf_size, moov_size;
4700
4701 for (i = 0; i < mov->nb_streams; i++)
4702 if (!mov->tracks[i].entry)
4703 break;
4704 /* Don't write the initial moov unless all tracks have data */
4705 if (i < mov->nb_streams && !force)
4706 return 0;
4707
4708 moov_size = get_moov_size(s);
4709 for (i = 0; i < mov->nb_streams; i++)
4710 mov->tracks[i].data_offset = pos + moov_size + 8;
4711
4712 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_HEADER);
4713 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV)
4714 mov_write_identification(s->pb, s);
4715 if ((ret = mov_write_moov_tag(s->pb, mov, s)) < 0)
4716 return ret;
4717
4718 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV) {
4719 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
4720 mov->reserved_header_pos = avio_tell(s->pb);
4721 avio_flush(s->pb);
4722 mov->moov_written = 1;
4723 return 0;
4724 }
4725
4726 buf_size = avio_close_dyn_buf(mov->mdat_buf, &buf);
4727 mov->mdat_buf = NULL;
4728 avio_wb32(s->pb, buf_size + 8);
4729 ffio_wfourcc(s->pb, "mdat");
4730 avio_write(s->pb, buf, buf_size);
4731 av_free(buf);
4732
4733 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
4734 mov->reserved_header_pos = avio_tell(s->pb);
4735
4736 mov->moov_written = 1;
4737 mov->mdat_size = 0;
4738 for (i = 0; i < mov->nb_streams; i++) {
4739 if (mov->tracks[i].entry)
4740 mov->tracks[i].frag_start += mov->tracks[i].start_dts +
4741 mov->tracks[i].track_duration -
4742 mov->tracks[i].cluster[0].dts;
4743 mov->tracks[i].entry = 0;
4744 mov->tracks[i].end_reliable = 0;
4745 }
4746 avio_flush(s->pb);
4747 return 0;
4748 }
4749
4750 if (mov->frag_interleave) {
4751 for (i = 0; i < mov->nb_streams; i++) {
4752 MOVTrack *track = &mov->tracks[i];
4753 int ret;
4754 if ((ret = mov_flush_fragment_interleaving(s, track)) < 0)
4755 return ret;
4756 }
4757
4758 if (!mov->mdat_buf)
4759 return 0;
4760 mdat_size = avio_tell(mov->mdat_buf);
4761 }
4762
4763 for (i = 0; i < mov->nb_streams; i++) {
4764 MOVTrack *track = &mov->tracks[i];
4765 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF || mov->frag_interleave)
4766 track->data_offset = 0;
4767 else
4768 track->data_offset = mdat_size;
4769 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
4770 has_video = 1;
4771 if (first_video_track) {
4772 if (track->entry)
4773 starts_with_key = track->cluster[0].flags & MOV_SYNC_SAMPLE;
4774 first_video_track = 0;
4775 }
4776 }
4777 if (!track->entry)
4778 continue;
4779 if (track->mdat_buf)
4780 mdat_size += avio_tell(track->mdat_buf);
4781 if (first_track < 0)
4782 first_track = i;
4783 }
4784
4785 if (!mdat_size)
4786 return 0;
4787
4788 avio_write_marker(s->pb,
4789 av_rescale(mov->tracks[first_track].cluster[0].dts, AV_TIME_BASE, mov->tracks[first_track].timescale),
4790 (has_video ? starts_with_key : mov->tracks[first_track].cluster[0].flags & MOV_SYNC_SAMPLE) ? AVIO_DATA_MARKER_SYNC_POINT : AVIO_DATA_MARKER_BOUNDARY_POINT);
4791
4792 for (i = 0; i < mov->nb_streams; i++) {
4793 MOVTrack *track = &mov->tracks[i];
4794 int buf_size, write_moof = 1, moof_tracks = -1;
4795 uint8_t *buf;
4796 int64_t duration = 0;
4797
4798 if (track->entry)
4799 duration = track->start_dts + track->track_duration -
4800 track->cluster[0].dts;
4801 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) {
4802 if (!track->mdat_buf)
4803 continue;
4804 mdat_size = avio_tell(track->mdat_buf);
4805 moof_tracks = i;
4806 } else {
4807 write_moof = i == first_track;
4808 }
4809
4810 if (write_moof) {
4811 avio_flush(s->pb);
4812
4813 mov_write_moof_tag(s->pb, mov, moof_tracks, mdat_size);
4814 mov->fragments++;
4815
4816 avio_wb32(s->pb, mdat_size + 8);
4817 ffio_wfourcc(s->pb, "mdat");
4818 }
4819
4820 if (track->entry)
4821 track->frag_start += duration;
4822 track->entry = 0;
4823 track->entries_flushed = 0;
4824 track->end_reliable = 0;
4825 if (!mov->frag_interleave) {
4826 if (!track->mdat_buf)
4827 continue;
4828 buf_size = avio_close_dyn_buf(track->mdat_buf, &buf);
4829 track->mdat_buf = NULL;
4830 } else {
4831 if (!mov->mdat_buf)
4832 continue;
4833 buf_size = avio_close_dyn_buf(mov->mdat_buf, &buf);
4834 mov->mdat_buf = NULL;
4835 }
4836
4837 avio_write(s->pb, buf, buf_size);
4838 av_free(buf);
4839 }
4840
4841 mov->mdat_size = 0;
4842
4843 avio_flush(s->pb);
4844 return 0;
4845}
4846
4847static int mov_auto_flush_fragment(AVFormatContext *s, int force)
4848{
4849 MOVMuxContext *mov = s->priv_data;
4850 int had_moov = mov->moov_written;
4851 int ret = mov_flush_fragment(s, force);
4852 if (ret < 0)
4853 return ret;
4854 // If using delay_moov, the first flush only wrote the moov,
4855 // not the actual moof+mdat pair, thus flush once again.
4856 if (!had_moov && mov->flags & FF_MOV_FLAG_DELAY_MOOV)
4857 ret = mov_flush_fragment(s, force);
4858 return ret;
4859}
4860
4861static int check_pkt(AVFormatContext *s, AVPacket *pkt)
4862{
4863 MOVMuxContext *mov = s->priv_data;
4864 MOVTrack *trk = &mov->tracks[pkt->stream_index];
4865 int64_t ref;
4866 uint64_t duration;
4867
4868 if (trk->entry) {
4869 ref = trk->cluster[trk->entry - 1].dts;
4870 } else if ( trk->start_dts != AV_NOPTS_VALUE
4871 && !trk->frag_discont) {
4872 ref = trk->start_dts + trk->track_duration;
4873 } else
4874 ref = pkt->dts; // Skip tests for the first packet
4875
4876 duration = pkt->dts - ref;
4877 if (pkt->dts < ref || duration >= INT_MAX) {
4878 av_log(s, AV_LOG_ERROR, "Application provided duration: %"PRId64" / timestamp: %"PRId64" is out of range for mov/mp4 format\n",
4879 duration, pkt->dts
4880 );
4881
4882 pkt->dts = ref + 1;
4883 pkt->pts = AV_NOPTS_VALUE;
4884 }
4885
4886 if (pkt->duration < 0 || pkt->duration > INT_MAX) {
4887 av_log(s, AV_LOG_ERROR, "Application provided duration: %"PRId64" is invalid\n", pkt->duration);
4888 return AVERROR(EINVAL);
4889 }
4890 return 0;
4891}
4892
4893int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
4894{
4895 MOVMuxContext *mov = s->priv_data;
4896 AVIOContext *pb = s->pb;
4897 MOVTrack *trk = &mov->tracks[pkt->stream_index];
4898 AVCodecParameters *par = trk->par;
4899 unsigned int samples_in_chunk = 0;
4900 int size = pkt->size, ret = 0;
4901 uint8_t *reformatted_data = NULL;
4902
4903 ret = check_pkt(s, pkt);
4904 if (ret < 0)
4905 return ret;
4906
4907 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
4908 int ret;
4909 if (mov->moov_written || mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
4910 if (mov->frag_interleave && mov->fragments > 0) {
4911 if (trk->entry - trk->entries_flushed >= mov->frag_interleave) {
4912 if ((ret = mov_flush_fragment_interleaving(s, trk)) < 0)
4913 return ret;
4914 }
4915 }
4916
4917 if (!trk->mdat_buf) {
4918 if ((ret = avio_open_dyn_buf(&trk->mdat_buf)) < 0)
4919 return ret;
4920 }
4921 pb = trk->mdat_buf;
4922 } else {
4923 if (!mov->mdat_buf) {
4924 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
4925 return ret;
4926 }
4927 pb = mov->mdat_buf;
4928 }
4929 }
4930
4931 if (par->codec_id == AV_CODEC_ID_AMR_NB) {
4932 /* We must find out how many AMR blocks there are in one packet */
4933 static const uint16_t packed_size[16] =
4934 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 1};
4935 int len = 0;
4936
4937 while (len < size && samples_in_chunk < 100) {
4938 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
4939 samples_in_chunk++;
4940 }
4941 if (samples_in_chunk > 1) {
4942 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
4943 return -1;
4944 }
4945 } else if (par->codec_id == AV_CODEC_ID_ADPCM_MS ||
4946 par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
4947 samples_in_chunk = trk->par->frame_size;
4948 } else if (trk->sample_size)
4949 samples_in_chunk = size / trk->sample_size;
4950 else
4951 samples_in_chunk = 1;
4952
4953 /* copy extradata if it exists */
4954 if (trk->vos_len == 0 && par->extradata_size > 0 &&
4955 !TAG_IS_AVCI(trk->tag) &&
4956 (par->codec_id != AV_CODEC_ID_DNXHD)) {
4957 trk->vos_len = par->extradata_size;
4958 trk->vos_data = av_malloc(trk->vos_len);
4959 if (!trk->vos_data) {
4960 ret = AVERROR(ENOMEM);
4961 goto err;
4962 }
4963 memcpy(trk->vos_data, par->extradata, trk->vos_len);
4964 }
4965
4966 if (par->codec_id == AV_CODEC_ID_AAC && pkt->size > 2 &&
4967 (AV_RB16(pkt->data) & 0xfff0) == 0xfff0) {
4968 if (!s->streams[pkt->stream_index]->nb_frames) {
4969 av_log(s, AV_LOG_ERROR, "Malformed AAC bitstream detected: "
4970 "use the audio bitstream filter 'aac_adtstoasc' to fix it "
4971 "('-bsf:a aac_adtstoasc' option with ffmpeg)\n");
4972 return -1;
4973 }
4974 av_log(s, AV_LOG_WARNING, "aac bitstream error\n");
4975 }
4976 if (par->codec_id == AV_CODEC_ID_H264 && trk->vos_len > 0 && *(uint8_t *)trk->vos_data != 1 && !TAG_IS_AVCI(trk->tag)) {
4977 /* from x264 or from bytestream H.264 */
4978 /* NAL reformatting needed */
4979 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
4980 ff_avc_parse_nal_units_buf(pkt->data, &reformatted_data,
4981 &size);
4982 avio_write(pb, reformatted_data, size);
4983 } else {
4984 if (mov->encryption_scheme == MOV_ENC_CENC_AES_CTR) {
4985 size = ff_mov_cenc_avc_parse_nal_units(&trk->cenc, pb, pkt->data, size);
4986 if (size < 0) {
4987 ret = size;
4988 goto err;
4989 }
4990 } else {
4991 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
4992 }
4993 }
4994 } else if (par->codec_id == AV_CODEC_ID_HEVC && trk->vos_len > 6 &&
4995 (AV_RB24(trk->vos_data) == 1 || AV_RB32(trk->vos_data) == 1)) {
4996 /* extradata is Annex B, assume the bitstream is too and convert it */
4997 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
4998 ff_hevc_annexb2mp4_buf(pkt->data, &reformatted_data, &size, 0, NULL);
4999 avio_write(pb, reformatted_data, size);
5000 } else {
5001 size = ff_hevc_annexb2mp4(pb, pkt->data, pkt->size, 0, NULL);
5002 }
5003#if CONFIG_AC3_PARSER
5004 } else if (par->codec_id == AV_CODEC_ID_EAC3) {
5005 size = handle_eac3(mov, pkt, trk);
5006 if (size < 0)
5007 return size;
5008 else if (!size)
5009 goto end;
5010 avio_write(pb, pkt->data, size);
5011#endif
5012 } else {
5013 if (mov->encryption_scheme == MOV_ENC_CENC_AES_CTR) {
5014 if (par->codec_id == AV_CODEC_ID_H264 && par->extradata_size > 4) {
5015 int nal_size_length = (par->extradata[4] & 0x3) + 1;
5016 ret = ff_mov_cenc_avc_write_nal_units(s, &trk->cenc, nal_size_length, pb, pkt->data, size);
5017 } else {
5018 ret = ff_mov_cenc_write_packet(&trk->cenc, pb, pkt->data, size);
5019 }
5020
5021 if (ret) {
5022 goto err;
5023 }
5024 } else {
5025 avio_write(pb, pkt->data, size);
5026 }
5027 }
5028
5029 if ((par->codec_id == AV_CODEC_ID_DNXHD ||
5030 par->codec_id == AV_CODEC_ID_AC3) && !trk->vos_len) {
5031 /* copy frame to create needed atoms */
5032 trk->vos_len = size;
5033 trk->vos_data = av_malloc(size);
5034 if (!trk->vos_data) {
5035 ret = AVERROR(ENOMEM);
5036 goto err;
5037 }
5038 memcpy(trk->vos_data, pkt->data, size);
5039 }
5040
5041 if (trk->entry >= trk->cluster_capacity) {
5042 unsigned new_capacity = 2 * (trk->entry + MOV_INDEX_CLUSTER_SIZE);
5043 if (av_reallocp_array(&trk->cluster, new_capacity,
5044 sizeof(*trk->cluster))) {
5045 ret = AVERROR(ENOMEM);
5046 goto err;
5047 }
5048 trk->cluster_capacity = new_capacity;
5049 }
5050
5051 trk->cluster[trk->entry].pos = avio_tell(pb) - size;
5052 trk->cluster[trk->entry].samples_in_chunk = samples_in_chunk;
5053 trk->cluster[trk->entry].chunkNum = 0;
5054 trk->cluster[trk->entry].size = size;
5055 trk->cluster[trk->entry].entries = samples_in_chunk;
5056 trk->cluster[trk->entry].dts = pkt->dts;
5057 if (!trk->entry && trk->start_dts != AV_NOPTS_VALUE) {
5058 if (!trk->frag_discont) {
5059 /* First packet of a new fragment. We already wrote the duration
5060 * of the last packet of the previous fragment based on track_duration,
5061 * which might not exactly match our dts. Therefore adjust the dts
5062 * of this packet to be what the previous packets duration implies. */
5063 trk->cluster[trk->entry].dts = trk->start_dts + trk->track_duration;
5064 /* We also may have written the pts and the corresponding duration
5065 * in sidx/tfrf/tfxd tags; make sure the sidx pts and duration match up with
5066 * the next fragment. This means the cts of the first sample must
5067 * be the same in all fragments, unless end_pts was updated by
5068 * the packet causing the fragment to be written. */
5069 if ((mov->flags & FF_MOV_FLAG_DASH && !(mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)) ||
5070 mov->mode == MODE_ISM)
5071 pkt->pts = pkt->dts + trk->end_pts - trk->cluster[trk->entry].dts;
5072 } else {
5073 /* New fragment, but discontinuous from previous fragments.
5074 * Pretend the duration sum of the earlier fragments is
5075 * pkt->dts - trk->start_dts. */
5076 trk->frag_start = pkt->dts - trk->start_dts;
5077 trk->end_pts = AV_NOPTS_VALUE;
5078 trk->frag_discont = 0;
5079 }
5080 }
5081
5082 if (!trk->entry && trk->start_dts == AV_NOPTS_VALUE && !mov->use_editlist &&
5083 s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_MAKE_ZERO) {
5084 /* Not using edit lists and shifting the first track to start from zero.
5085 * If the other streams start from a later timestamp, we won't be able
5086 * to signal the difference in starting time without an edit list.
5087 * Thus move the timestamp for this first sample to 0, increasing
5088 * its duration instead. */
5089 trk->cluster[trk->entry].dts = trk->start_dts = 0;
5090 }
5091 if (trk->start_dts == AV_NOPTS_VALUE) {
5092 trk->start_dts = pkt->dts;
5093 if (trk->frag_discont) {
5094 if (mov->use_editlist) {
5095 /* Pretend the whole stream started at pts=0, with earlier fragments
5096 * already written. If the stream started at pts=0, the duration sum
5097 * of earlier fragments would have been pkt->pts. */
5098 trk->frag_start = pkt->pts;
5099 trk->start_dts = pkt->dts - pkt->pts;
5100 } else {
5101 /* Pretend the whole stream started at dts=0, with earlier fragments
5102 * already written, with a duration summing up to pkt->dts. */
5103 trk->frag_start = pkt->dts;
5104 trk->start_dts = 0;
5105 }
5106 trk->frag_discont = 0;
5107 } else if (pkt->dts && mov->moov_written)
5108 av_log(s, AV_LOG_WARNING,
5109 "Track %d starts with a nonzero dts %"PRId64", while the moov "
5110 "already has been written. Set the delay_moov flag to handle "
5111 "this case.\n",
5112 pkt->stream_index, pkt->dts);
5113 }
5114 trk->track_duration = pkt->dts - trk->start_dts + pkt->duration;
5115 trk->last_sample_is_subtitle_end = 0;
5116
5117 if (pkt->pts == AV_NOPTS_VALUE) {
5118 av_log(s, AV_LOG_WARNING, "pts has no value\n");
5119 pkt->pts = pkt->dts;
5120 }
5121 if (pkt->dts != pkt->pts)
5122 trk->flags |= MOV_TRACK_CTTS;
5123 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
5124 trk->cluster[trk->entry].flags = 0;
5125 if (trk->start_cts == AV_NOPTS_VALUE)
5126 trk->start_cts = pkt->pts - pkt->dts;
5127 if (trk->end_pts == AV_NOPTS_VALUE)
5128 trk->end_pts = trk->cluster[trk->entry].dts +
5129 trk->cluster[trk->entry].cts + pkt->duration;
5130 else
5131 trk->end_pts = FFMAX(trk->end_pts, trk->cluster[trk->entry].dts +
5132 trk->cluster[trk->entry].cts +
5133 pkt->duration);
5134
5135 if (par->codec_id == AV_CODEC_ID_VC1) {
5136 mov_parse_vc1_frame(pkt, trk);
5137 } else if (pkt->flags & AV_PKT_FLAG_KEY) {
5138 if (mov->mode == MODE_MOV && par->codec_id == AV_CODEC_ID_MPEG2VIDEO &&
5139 trk->entry > 0) { // force sync sample for the first key frame
5140 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
5141 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
5142 trk->flags |= MOV_TRACK_STPS;
5143 } else {
5144 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
5145 }
5146 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
5147 trk->has_keyframes++;
5148 }
5149 trk->entry++;
5150 trk->sample_count += samples_in_chunk;
5151 mov->mdat_size += size;
5152
5153 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
5154 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry,
5155 reformatted_data, size);
5156
5157end:
5158err:
5159
5160 av_free(reformatted_data);
5161 return ret;
5162}
5163
5164static int mov_write_single_packet(AVFormatContext *s, AVPacket *pkt)
5165{
5166 MOVMuxContext *mov = s->priv_data;
5167 MOVTrack *trk = &mov->tracks[pkt->stream_index];
5168 AVCodecParameters *par = trk->par;
5169 int64_t frag_duration = 0;
5170 int size = pkt->size;
5171
5172 int ret = check_pkt(s, pkt);
5173 if (ret < 0)
5174 return ret;
5175
5176 if (mov->flags & FF_MOV_FLAG_FRAG_DISCONT) {
5177 int i;
5178 for (i = 0; i < s->nb_streams; i++)
5179 mov->tracks[i].frag_discont = 1;
5180 mov->flags &= ~FF_MOV_FLAG_FRAG_DISCONT;
5181 }
5182
5183 if (!pkt->size) {
5184 if (trk->start_dts == AV_NOPTS_VALUE && trk->frag_discont) {
5185 trk->start_dts = pkt->dts;
5186 if (pkt->pts != AV_NOPTS_VALUE)
5187 trk->start_cts = pkt->pts - pkt->dts;
5188 else
5189 trk->start_cts = 0;
5190 }
5191
5192 if (trk->par->codec_id == AV_CODEC_ID_MP4ALS ||
5193 trk->par->codec_id == AV_CODEC_ID_FLAC) {
5194 int side_size = 0;
5195 uint8_t *side = av_packet_get_side_data(pkt, AV_PKT_DATA_NEW_EXTRADATA, &side_size);
5196 if (side && side_size > 0 && (side_size != par->extradata_size || memcmp(side, par->extradata, side_size))) {
5197 void *newextra = av_mallocz(side_size + AV_INPUT_BUFFER_PADDING_SIZE);
5198 if (!newextra)
5199 return AVERROR(ENOMEM);
5200 av_free(par->extradata);
5201 par->extradata = newextra;
5202 memcpy(par->extradata, side, side_size);
5203 par->extradata_size = side_size;
5204 mov->need_rewrite_extradata = 1;
5205 }
5206 }
5207
5208 return 0; /* Discard 0 sized packets */
5209 }
5210
5211 if (trk->entry && pkt->stream_index < s->nb_streams)
5212 frag_duration = av_rescale_q(pkt->dts - trk->cluster[0].dts,
5213 s->streams[pkt->stream_index]->time_base,
5214 AV_TIME_BASE_Q);
5215 if ((mov->max_fragment_duration &&
5216 frag_duration >= mov->max_fragment_duration) ||
5217 (mov->max_fragment_size && mov->mdat_size + size >= mov->max_fragment_size) ||
5218 (mov->flags & FF_MOV_FLAG_FRAG_KEYFRAME &&
5219 par->codec_type == AVMEDIA_TYPE_VIDEO &&
5220 trk->entry && pkt->flags & AV_PKT_FLAG_KEY)) {
5221 if (frag_duration >= mov->min_fragment_duration) {
5222 // Set the duration of this track to line up with the next
5223 // sample in this track. This avoids relying on AVPacket
5224 // duration, but only helps for this particular track, not
5225 // for the other ones that are flushed at the same time.
5226 trk->track_duration = pkt->dts - trk->start_dts;
5227 if (pkt->pts != AV_NOPTS_VALUE)
5228 trk->end_pts = pkt->pts;
5229 else
5230 trk->end_pts = pkt->dts;
5231 trk->end_reliable = 1;
5232 mov_auto_flush_fragment(s, 0);
5233 }
5234 }
5235
5236 return ff_mov_write_packet(s, pkt);
5237}
5238
5239static int mov_write_subtitle_end_packet(AVFormatContext *s,
5240 int stream_index,
5241 int64_t dts) {
5242 AVPacket end;
5243 uint8_t data[2] = {0};
5244 int ret;
5245
5246 av_init_packet(&end);
5247 end.size = sizeof(data);
5248 end.data = data;
5249 end.pts = dts;
5250 end.dts = dts;
5251 end.duration = 0;
5252 end.stream_index = stream_index;
5253
5254 ret = mov_write_single_packet(s, &end);
5255 av_packet_unref(&end);
5256
5257 return ret;
5258}
5259
5260static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
5261{
5262 if (!pkt) {
5263 mov_flush_fragment(s, 1);
5264 return 1;
5265 } else {
5266 int i;
5267 MOVMuxContext *mov = s->priv_data;
5268 MOVTrack *trk = &mov->tracks[pkt->stream_index];
5269
5270 if (!pkt->size)
5271 return mov_write_single_packet(s, pkt); /* Passthrough. */
5272
5273 /*
5274 * Subtitles require special handling.
5275 *
5276 * 1) For full complaince, every track must have a sample at
5277 * dts == 0, which is rarely true for subtitles. So, as soon
5278 * as we see any packet with dts > 0, write an empty subtitle
5279 * at dts == 0 for any subtitle track with no samples in it.
5280 *
5281 * 2) For each subtitle track, check if the current packet's
5282 * dts is past the duration of the last subtitle sample. If
5283 * so, we now need to write an end sample for that subtitle.
5284 *
5285 * This must be done conditionally to allow for subtitles that
5286 * immediately replace each other, in which case an end sample
5287 * is not needed, and is, in fact, actively harmful.
5288 *
5289 * 3) See mov_write_trailer for how the final end sample is
5290 * handled.
5291 */
5292 for (i = 0; i < mov->nb_streams; i++) {
5293 MOVTrack *trk = &mov->tracks[i];
5294 int ret;
5295
5296 if (trk->par->codec_id == AV_CODEC_ID_MOV_TEXT &&
5297 trk->track_duration < pkt->dts &&
5298 (trk->entry == 0 || !trk->last_sample_is_subtitle_end)) {
5299 ret = mov_write_subtitle_end_packet(s, i, trk->track_duration);
5300 if (ret < 0) return ret;
5301 trk->last_sample_is_subtitle_end = 1;
5302 }
5303 }
5304
5305 if (trk->mode == MODE_MOV && trk->par->codec_type == AVMEDIA_TYPE_VIDEO) {
5306 AVPacket *opkt = pkt;
5307 int reshuffle_ret, ret;
5308 if (trk->is_unaligned_qt_rgb) {
5309 int64_t bpc = trk->par->bits_per_coded_sample != 15 ? trk->par->bits_per_coded_sample : 16;
5310 int expected_stride = ((trk->par->width * bpc + 15) >> 4)*2;
5311 reshuffle_ret = ff_reshuffle_raw_rgb(s, &pkt, trk->par, expected_stride);
5312 if (reshuffle_ret < 0)
5313 return reshuffle_ret;
5314 } else
5315 reshuffle_ret = 0;
5316 if (trk->par->format == AV_PIX_FMT_PAL8 && !trk->pal_done) {
5317 ret = ff_get_packet_palette(s, opkt, reshuffle_ret, trk->palette);
5318 if (ret < 0)
5319 goto fail;
5320 if (ret)
5321 trk->pal_done++;
5322 } else if (trk->par->codec_id == AV_CODEC_ID_RAWVIDEO &&
5323 (trk->par->format == AV_PIX_FMT_GRAY8 ||
5324 trk->par->format == AV_PIX_FMT_MONOBLACK)) {
5325 for (i = 0; i < pkt->size; i++)
5326 pkt->data[i] = ~pkt->data[i];
5327 }
5328 if (reshuffle_ret) {
5329 ret = mov_write_single_packet(s, pkt);
5330fail:
5331 if (reshuffle_ret)
5332 av_packet_free(&pkt);
5333 return ret;
5334 }
5335 }
5336
5337 return mov_write_single_packet(s, pkt);
5338 }
5339}
5340
5341// QuickTime chapters involve an additional text track with the chapter names
5342// as samples, and a tref pointing from the other tracks to the chapter one.
5343static int mov_create_chapter_track(AVFormatContext *s, int tracknum)
5344{
5345 AVIOContext *pb;
5346
5347 MOVMuxContext *mov = s->priv_data;
5348 MOVTrack *track = &mov->tracks[tracknum];
5349 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
5350 int i, len;
5351
5352 track->mode = mov->mode;
5353 track->tag = MKTAG('t','e','x','t');
5354 track->timescale = MOV_TIMESCALE;
5355 track->par = avcodec_parameters_alloc();
5356 if (!track->par)
5357 return AVERROR(ENOMEM);
5358 track->par->codec_type = AVMEDIA_TYPE_SUBTITLE;
5359#if 0
5360 // These properties are required to make QT recognize the chapter track
5361 uint8_t chapter_properties[43] = { 0, 0, 0, 0, 0, 0, 0, 1, };
5362 if (ff_alloc_extradata(track->par, sizeof(chapter_properties)))
5363 return AVERROR(ENOMEM);
5364 memcpy(track->par->extradata, chapter_properties, sizeof(chapter_properties));
5365#else
5366 if (avio_open_dyn_buf(&pb) >= 0) {
5367 int size;
5368 uint8_t *buf;
5369
5370 /* Stub header (usually for Quicktime chapter track) */
5371 // TextSampleEntry
5372 avio_wb32(pb, 0x01); // displayFlags
5373 avio_w8(pb, 0x00); // horizontal justification
5374 avio_w8(pb, 0x00); // vertical justification
5375 avio_w8(pb, 0x00); // bgColourRed
5376 avio_w8(pb, 0x00); // bgColourGreen
5377 avio_w8(pb, 0x00); // bgColourBlue
5378 avio_w8(pb, 0x00); // bgColourAlpha
5379 // BoxRecord
5380 avio_wb16(pb, 0x00); // defTextBoxTop
5381 avio_wb16(pb, 0x00); // defTextBoxLeft
5382 avio_wb16(pb, 0x00); // defTextBoxBottom
5383 avio_wb16(pb, 0x00); // defTextBoxRight
5384 // StyleRecord
5385 avio_wb16(pb, 0x00); // startChar
5386 avio_wb16(pb, 0x00); // endChar
5387 avio_wb16(pb, 0x01); // fontID
5388 avio_w8(pb, 0x00); // fontStyleFlags
5389 avio_w8(pb, 0x00); // fontSize
5390 avio_w8(pb, 0x00); // fgColourRed
5391 avio_w8(pb, 0x00); // fgColourGreen
5392 avio_w8(pb, 0x00); // fgColourBlue
5393 avio_w8(pb, 0x00); // fgColourAlpha
5394 // FontTableBox
5395 avio_wb32(pb, 0x0D); // box size
5396 ffio_wfourcc(pb, "ftab"); // box atom name
5397 avio_wb16(pb, 0x01); // entry count
5398 // FontRecord
5399 avio_wb16(pb, 0x01); // font ID
5400 avio_w8(pb, 0x00); // font name length
5401
5402 if ((size = avio_close_dyn_buf(pb, &buf)) > 0) {
5403 track->par->extradata = buf;
5404 track->par->extradata_size = size;
5405 } else {
5406 av_freep(&buf);
5407 }
5408 }
5409#endif
5410
5411 for (i = 0; i < s->nb_chapters; i++) {
5412 AVChapter *c = s->chapters[i];
5413 AVDictionaryEntry *t;
5414
5415 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
5416 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
5417 pkt.duration = end - pkt.dts;
5418
5419 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
5420 static const char encd[12] = {
5421 0x00, 0x00, 0x00, 0x0C,
5422 'e', 'n', 'c', 'd',
5423 0x00, 0x00, 0x01, 0x00 };
5424 len = strlen(t->value);
5425 pkt.size = len + 2 + 12;
5426 pkt.data = av_malloc(pkt.size);
5427 if (!pkt.data)
5428 return AVERROR(ENOMEM);
5429 AV_WB16(pkt.data, len);
5430 memcpy(pkt.data + 2, t->value, len);
5431 memcpy(pkt.data + len + 2, encd, sizeof(encd));
5432 ff_mov_write_packet(s, &pkt);
5433 av_freep(&pkt.data);
5434 }
5435 }
5436
5437 return 0;
5438}
5439
5440
5441static int mov_check_timecode_track(AVFormatContext *s, AVTimecode *tc, int src_index, const char *tcstr)
5442{
5443 int ret;
5444
5445 /* compute the frame number */
5446 ret = av_timecode_init_from_string(tc, find_fps(s, s->streams[src_index]), tcstr, s);
5447 return ret;
5448}
5449
5450static int mov_create_timecode_track(AVFormatContext *s, int index, int src_index, AVTimecode tc)
5451{
5452 int ret;
5453 MOVMuxContext *mov = s->priv_data;
5454 MOVTrack *track = &mov->tracks[index];
5455 AVStream *src_st = s->streams[src_index];
5456 AVPacket pkt = {.stream_index = index, .flags = AV_PKT_FLAG_KEY, .size = 4};
5457 AVRational rate = find_fps(s, src_st);
5458
5459 /* tmcd track based on video stream */
5460 track->mode = mov->mode;
5461 track->tag = MKTAG('t','m','c','d');
5462 track->src_track = src_index;
5463 track->timescale = mov->tracks[src_index].timescale;
5464 if (tc.flags & AV_TIMECODE_FLAG_DROPFRAME)
5465 track->timecode_flags |= MOV_TIMECODE_FLAG_DROPFRAME;
5466
5467 /* set st to src_st for metadata access*/
5468 track->st = src_st;
5469
5470 /* encode context: tmcd data stream */
5471 track->par = avcodec_parameters_alloc();
5472 if (!track->par)
5473 return AVERROR(ENOMEM);
5474 track->par->codec_type = AVMEDIA_TYPE_DATA;
5475 track->par->codec_tag = track->tag;
5476 track->st->avg_frame_rate = av_inv_q(rate);
5477
5478 /* the tmcd track just contains one packet with the frame number */
5479 pkt.data = av_malloc(pkt.size);
5480 if (!pkt.data)
5481 return AVERROR(ENOMEM);
5482 AV_WB32(pkt.data, tc.start);
5483 ret = ff_mov_write_packet(s, &pkt);
5484 av_free(pkt.data);
5485 return ret;
5486}
5487
5488/*
5489 * st->disposition controls the "enabled" flag in the tkhd tag.
5490 * QuickTime will not play a track if it is not enabled. So make sure
5491 * that one track of each type (audio, video, subtitle) is enabled.
5492 *
5493 * Subtitles are special. For audio and video, setting "enabled" also
5494 * makes the track "default" (i.e. it is rendered when played). For
5495 * subtitles, an "enabled" subtitle is not rendered by default, but
5496 * if no subtitle is enabled, the subtitle menu in QuickTime will be
5497 * empty!
5498 */
5499static void enable_tracks(AVFormatContext *s)
5500{
5501 MOVMuxContext *mov = s->priv_data;
5502 int i;
5503 int enabled[AVMEDIA_TYPE_NB];
5504 int first[AVMEDIA_TYPE_NB];
5505
5506 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
5507 enabled[i] = 0;
5508 first[i] = -1;
5509 }
5510
5511 for (i = 0; i < s->nb_streams; i++) {
5512 AVStream *st = s->streams[i];
5513
5514 if (st->codecpar->codec_type <= AVMEDIA_TYPE_UNKNOWN ||
5515 st->codecpar->codec_type >= AVMEDIA_TYPE_NB)
5516 continue;
5517
5518 if (first[st->codecpar->codec_type] < 0)
5519 first[st->codecpar->codec_type] = i;
5520 if (st->disposition & AV_DISPOSITION_DEFAULT) {
5521 mov->tracks[i].flags |= MOV_TRACK_ENABLED;
5522 enabled[st->codecpar->codec_type]++;
5523 }
5524 }
5525
5526 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
5527 switch (i) {
5528 case AVMEDIA_TYPE_VIDEO:
5529 case AVMEDIA_TYPE_AUDIO:
5530 case AVMEDIA_TYPE_SUBTITLE:
5531 if (enabled[i] > 1)
5532 mov->per_stream_grouping = 1;
5533 if (!enabled[i] && first[i] >= 0)
5534 mov->tracks[first[i]].flags |= MOV_TRACK_ENABLED;
5535 break;
5536 }
5537 }
5538}
5539
5540static void mov_free(AVFormatContext *s)
5541{
5542 MOVMuxContext *mov = s->priv_data;
5543 int i;
5544
5545 if (mov->chapter_track) {
5546 if (mov->tracks[mov->chapter_track].par)
5547 av_freep(&mov->tracks[mov->chapter_track].par->extradata);
5548 av_freep(&mov->tracks[mov->chapter_track].par);
5549 }
5550
5551 for (i = 0; i < mov->nb_streams; i++) {
5552 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
5553 ff_mov_close_hinting(&mov->tracks[i]);
5554 else if (mov->tracks[i].tag == MKTAG('t','m','c','d') && mov->nb_meta_tmcd)
5555 av_freep(&mov->tracks[i].par);
5556 av_freep(&mov->tracks[i].cluster);
5557 av_freep(&mov->tracks[i].frag_info);
5558
5559 if (mov->tracks[i].vos_len)
5560 av_freep(&mov->tracks[i].vos_data);
5561
5562 ff_mov_cenc_free(&mov->tracks[i].cenc);
5563 }
5564
5565 av_freep(&mov->tracks);
5566}
5567
5568static uint32_t rgb_to_yuv(uint32_t rgb)
5569{
5570 uint8_t r, g, b;
5571 int y, cb, cr;
5572
5573 r = (rgb >> 16) & 0xFF;
5574 g = (rgb >> 8) & 0xFF;
5575 b = (rgb ) & 0xFF;
5576
5577 y = av_clip_uint8(( 16000 + 257 * r + 504 * g + 98 * b)/1000);
5578 cb = av_clip_uint8((128000 - 148 * r - 291 * g + 439 * b)/1000);
5579 cr = av_clip_uint8((128000 + 439 * r - 368 * g - 71 * b)/1000);
5580
5581 return (y << 16) | (cr << 8) | cb;
5582}
5583
5584static int mov_create_dvd_sub_decoder_specific_info(MOVTrack *track,
5585 AVStream *st)
5586{
5587 int i, width = 720, height = 480;
5588 int have_palette = 0, have_size = 0;
5589 uint32_t palette[16];
5590 char *cur = st->codecpar->extradata;
5591
5592 while (cur && *cur) {
5593 if (strncmp("palette:", cur, 8) == 0) {
5594 int i, count;
5595 count = sscanf(cur + 8,
5596 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
5597 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
5598 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
5599 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32"",
5600 &palette[ 0], &palette[ 1], &palette[ 2], &palette[ 3],
5601 &palette[ 4], &palette[ 5], &palette[ 6], &palette[ 7],
5602 &palette[ 8], &palette[ 9], &palette[10], &palette[11],
5603 &palette[12], &palette[13], &palette[14], &palette[15]);
5604
5605 for (i = 0; i < count; i++) {
5606 palette[i] = rgb_to_yuv(palette[i]);
5607 }
5608 have_palette = 1;
5609 } else if (!strncmp("size:", cur, 5)) {
5610 sscanf(cur + 5, "%dx%d", &width, &height);
5611 have_size = 1;
5612 }
5613 if (have_palette && have_size)
5614 break;
5615 cur += strcspn(cur, "\n\r");
5616 cur += strspn(cur, "\n\r");
5617 }
5618 if (have_palette) {
5619 track->vos_data = av_malloc(16*4);
5620 if (!track->vos_data)
5621 return AVERROR(ENOMEM);
5622 for (i = 0; i < 16; i++) {
5623 AV_WB32(track->vos_data + i * 4, palette[i]);
5624 }
5625 track->vos_len = 16 * 4;
5626 }
5627 st->codecpar->width = width;
5628 st->codecpar->height = track->height = height;
5629
5630 return 0;
5631}
5632
5633static int mov_init(AVFormatContext *s)
5634{
5635 MOVMuxContext *mov = s->priv_data;
5636 AVDictionaryEntry *global_tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
5637 int i, ret;
5638
5639 mov->fc = s;
5640
5641 /* Default mode == MP4 */
5642 mov->mode = MODE_MP4;
5643
5644 if (s->oformat) {
5645 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
5646 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
5647 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
5648 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
5649 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
5650 else if (!strcmp("ismv",s->oformat->name)) mov->mode = MODE_ISM;
5651 else if (!strcmp("f4v", s->oformat->name)) mov->mode = MODE_F4V;
5652 }
5653
5654 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV)
5655 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV;
5656
5657 /* Set the FRAGMENT flag if any of the fragmentation methods are
5658 * enabled. */
5659 if (mov->max_fragment_duration || mov->max_fragment_size ||
5660 mov->flags & (FF_MOV_FLAG_EMPTY_MOOV |
5661 FF_MOV_FLAG_FRAG_KEYFRAME |
5662 FF_MOV_FLAG_FRAG_CUSTOM))
5663 mov->flags |= FF_MOV_FLAG_FRAGMENT;
5664
5665 /* Set other implicit flags immediately */
5666 if (mov->mode == MODE_ISM)
5667 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV | FF_MOV_FLAG_SEPARATE_MOOF |
5668 FF_MOV_FLAG_FRAGMENT;
5669 if (mov->flags & FF_MOV_FLAG_DASH)
5670 mov->flags |= FF_MOV_FLAG_FRAGMENT | FF_MOV_FLAG_EMPTY_MOOV |
5671 FF_MOV_FLAG_DEFAULT_BASE_MOOF;
5672
5673 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV && s->flags & AVFMT_FLAG_AUTO_BSF) {
5674 av_log(s, AV_LOG_VERBOSE, "Empty MOOV enabled; disabling automatic bitstream filtering\n");
5675 s->flags &= ~AVFMT_FLAG_AUTO_BSF;
5676 }
5677
5678 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
5679 mov->reserved_moov_size = -1;
5680 }
5681
5682 if (mov->use_editlist < 0) {
5683 mov->use_editlist = 1;
5684 if (mov->flags & FF_MOV_FLAG_FRAGMENT &&
5685 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
5686 // If we can avoid needing an edit list by shifting the
5687 // tracks, prefer that over (trying to) write edit lists
5688 // in fragmented output.
5689 if (s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_AUTO ||
5690 s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_MAKE_ZERO)
5691 mov->use_editlist = 0;
5692 }
5693 }
5694 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV &&
5695 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV) && mov->use_editlist)
5696 av_log(s, AV_LOG_WARNING, "No meaningful edit list will be written when using empty_moov without delay_moov\n");
5697
5698 if (!mov->use_editlist && s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_AUTO)
5699 s->avoid_negative_ts = AVFMT_AVOID_NEG_TS_MAKE_ZERO;
5700
5701 /* Clear the omit_tfhd_offset flag if default_base_moof is set;
5702 * if the latter is set that's enough and omit_tfhd_offset doesn't
5703 * add anything extra on top of that. */
5704 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET &&
5705 mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)
5706 mov->flags &= ~FF_MOV_FLAG_OMIT_TFHD_OFFSET;
5707
5708 if (mov->frag_interleave &&
5709 mov->flags & (FF_MOV_FLAG_OMIT_TFHD_OFFSET | FF_MOV_FLAG_SEPARATE_MOOF)) {
5710 av_log(s, AV_LOG_ERROR,
5711 "Sample interleaving in fragments is mutually exclusive with "
5712 "omit_tfhd_offset and separate_moof\n");
5713 return AVERROR(EINVAL);
5714 }
5715
5716 /* Non-seekable output is ok if using fragmentation. If ism_lookahead
5717 * is enabled, we don't support non-seekable output at all. */
5718 if (!(s->pb->seekable & AVIO_SEEKABLE_NORMAL) &&
5719 (!(mov->flags & FF_MOV_FLAG_FRAGMENT) || mov->ism_lookahead)) {
5720 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
5721 return AVERROR(EINVAL);
5722 }
5723
5724 mov->nb_streams = s->nb_streams;
5725 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters)
5726 mov->chapter_track = mov->nb_streams++;
5727
5728 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
5729 /* Add hint tracks for each audio and video stream */
5730 for (i = 0; i < s->nb_streams; i++) {
5731 AVStream *st = s->streams[i];
5732 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO ||
5733 st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
5734 mov->nb_streams++;
5735 }
5736 }
5737 }
5738
5739 if ( mov->write_tmcd == -1 && (mov->mode == MODE_MOV || mov->mode == MODE_MP4)
5740 || mov->write_tmcd == 1) {
5741 /* +1 tmcd track for each video stream with a timecode */
5742 for (i = 0; i < s->nb_streams; i++) {
5743 AVStream *st = s->streams[i];
5744 AVDictionaryEntry *t = global_tcr;
5745 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO &&
5746 (t || (t=av_dict_get(st->metadata, "timecode", NULL, 0)))) {
5747 AVTimecode tc;
5748 ret = mov_check_timecode_track(s, &tc, i, t->value);
5749 if (ret >= 0)
5750 mov->nb_meta_tmcd++;
5751 }
5752 }
5753
5754 /* check if there is already a tmcd track to remux */
5755 if (mov->nb_meta_tmcd) {
5756 for (i = 0; i < s->nb_streams; i++) {
5757 AVStream *st = s->streams[i];
5758 if (st->codecpar->codec_tag == MKTAG('t','m','c','d')) {
5759 av_log(s, AV_LOG_WARNING, "You requested a copy of the original timecode track "
5760 "so timecode metadata are now ignored\n");
5761 mov->nb_meta_tmcd = 0;
5762 }
5763 }
5764 }
5765
5766 mov->nb_streams += mov->nb_meta_tmcd;
5767 }
5768
5769 // Reserve an extra stream for chapters for the case where chapters
5770 // are written in the trailer
5771 mov->tracks = av_mallocz_array((mov->nb_streams + 1), sizeof(*mov->tracks));
5772 if (!mov->tracks)
5773 return AVERROR(ENOMEM);
5774
5775 if (mov->encryption_scheme_str != NULL && strcmp(mov->encryption_scheme_str, "none") != 0) {
5776 if (strcmp(mov->encryption_scheme_str, "cenc-aes-ctr") == 0) {
5777 mov->encryption_scheme = MOV_ENC_CENC_AES_CTR;
5778
5779 if (mov->encryption_key_len != AES_CTR_KEY_SIZE) {
5780 av_log(s, AV_LOG_ERROR, "Invalid encryption key len %d expected %d\n",
5781 mov->encryption_key_len, AES_CTR_KEY_SIZE);
5782 return AVERROR(EINVAL);
5783 }
5784
5785 if (mov->encryption_kid_len != CENC_KID_SIZE) {
5786 av_log(s, AV_LOG_ERROR, "Invalid encryption kid len %d expected %d\n",
5787 mov->encryption_kid_len, CENC_KID_SIZE);
5788 return AVERROR(EINVAL);
5789 }
5790 } else {
5791 av_log(s, AV_LOG_ERROR, "unsupported encryption scheme %s\n",
5792 mov->encryption_scheme_str);
5793 return AVERROR(EINVAL);
5794 }
5795 }
5796
5797 for (i = 0; i < s->nb_streams; i++) {
5798 AVStream *st= s->streams[i];
5799 MOVTrack *track= &mov->tracks[i];
5800 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
5801
5802 track->st = st;
5803 track->par = st->codecpar;
5804 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
5805 if (track->language < 0)
5806 track->language = 0;
5807 track->mode = mov->mode;
5808 track->tag = mov_find_codec_tag(s, track);
5809 if (!track->tag) {
5810 av_log(s, AV_LOG_ERROR, "Could not find tag for codec %s in stream #%d, "
5811 "codec not currently supported in container\n",
5812 avcodec_get_name(st->codecpar->codec_id), i);
5813 return AVERROR(EINVAL);
5814 }
5815 /* If hinting of this track is enabled by a later hint track,
5816 * this is updated. */
5817 track->hint_track = -1;
5818 track->start_dts = AV_NOPTS_VALUE;
5819 track->start_cts = AV_NOPTS_VALUE;
5820 track->end_pts = AV_NOPTS_VALUE;
5821 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
5822 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
5823 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
5824 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
5825 if (st->codecpar->width != 720 || (st->codecpar->height != 608 && st->codecpar->height != 512)) {
5826 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
5827 return AVERROR(EINVAL);
5828 }
5829 track->height = track->tag >> 24 == 'n' ? 486 : 576;
5830 }
5831 if (mov->video_track_timescale) {
5832 track->timescale = mov->video_track_timescale;
5833 } else {
5834 track->timescale = st->time_base.den;
5835 while(track->timescale < 10000)
5836 track->timescale *= 2;
5837 }
5838 if (st->codecpar->width > 65535 || st->codecpar->height > 65535) {
5839 av_log(s, AV_LOG_ERROR, "Resolution %dx%d too large for mov/mp4\n", st->codecpar->width, st->codecpar->height);
5840 return AVERROR(EINVAL);
5841 }
5842 if (track->mode == MODE_MOV && track->timescale > 100000)
5843 av_log(s, AV_LOG_WARNING,
5844 "WARNING codec timebase is very high. If duration is too long,\n"
5845 "file may not be playable by quicktime. Specify a shorter timebase\n"
5846 "or choose different container.\n");
5847 if (track->mode == MODE_MOV &&
5848 track->par->codec_id == AV_CODEC_ID_RAWVIDEO &&
5849 track->tag == MKTAG('r','a','w',' ')) {
5850 enum AVPixelFormat pix_fmt = track->par->format;
5851 if (pix_fmt == AV_PIX_FMT_NONE && track->par->bits_per_coded_sample == 1)
5852 pix_fmt = AV_PIX_FMT_MONOWHITE;
5853 track->is_unaligned_qt_rgb =
5854 pix_fmt == AV_PIX_FMT_RGB24 ||
5855 pix_fmt == AV_PIX_FMT_BGR24 ||
5856 pix_fmt == AV_PIX_FMT_PAL8 ||
5857 pix_fmt == AV_PIX_FMT_GRAY8 ||
5858 pix_fmt == AV_PIX_FMT_MONOWHITE ||
5859 pix_fmt == AV_PIX_FMT_MONOBLACK;
5860 }
5861 if (track->par->codec_id == AV_CODEC_ID_VP9) {
5862 if (track->mode != MODE_MP4) {
5863 av_log(s, AV_LOG_ERROR, "VP9 only supported in MP4.\n");
5864 return AVERROR(EINVAL);
5865 }
5866 if (s->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
5867 av_log(s, AV_LOG_ERROR,
5868 "VP9 in MP4 support is experimental, add "
5869 "'-strict %d' if you want to use it.\n",
5870 FF_COMPLIANCE_EXPERIMENTAL);
5871 return AVERROR_EXPERIMENTAL;
5872 }
5873 }
5874 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
5875 track->timescale = st->codecpar->sample_rate;
5876 if (!st->codecpar->frame_size && !av_get_bits_per_sample(st->codecpar->codec_id)) {
5877 av_log(s, AV_LOG_WARNING, "track %d: codec frame size is not set\n", i);
5878 track->audio_vbr = 1;
5879 }else if (st->codecpar->codec_id == AV_CODEC_ID_ADPCM_MS ||
5880 st->codecpar->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
5881 st->codecpar->codec_id == AV_CODEC_ID_ILBC){
5882 if (!st->codecpar->block_align) {
5883 av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set for adpcm\n", i);
5884 return AVERROR(EINVAL);
5885 }
5886 track->sample_size = st->codecpar->block_align;
5887 }else if (st->codecpar->frame_size > 1){ /* assume compressed audio */
5888 track->audio_vbr = 1;
5889 }else{
5890 track->sample_size = (av_get_bits_per_sample(st->codecpar->codec_id) >> 3) * st->codecpar->channels;
5891 }
5892 if (st->codecpar->codec_id == AV_CODEC_ID_ILBC ||
5893 st->codecpar->codec_id == AV_CODEC_ID_ADPCM_IMA_QT) {
5894 track->audio_vbr = 1;
5895 }
5896 if (track->mode != MODE_MOV &&
5897 track->par->codec_id == AV_CODEC_ID_MP3 && track->timescale < 16000) {
5898 if (s->strict_std_compliance >= FF_COMPLIANCE_NORMAL) {
5899 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not standard, to mux anyway set strict to -1\n",
5900 i, track->par->sample_rate);
5901 return AVERROR(EINVAL);
5902 } else {
5903 av_log(s, AV_LOG_WARNING, "track %d: muxing mp3 at %dhz is not standard in MP4\n",
5904 i, track->par->sample_rate);
5905 }
5906 }
5907 if (track->par->codec_id == AV_CODEC_ID_FLAC) {
5908 if (track->mode != MODE_MP4) {
5909 av_log(s, AV_LOG_ERROR, "FLAC only supported in MP4.\n");
5910 return AVERROR(EINVAL);
5911 }
5912 if (s->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
5913 av_log(s, AV_LOG_ERROR,
5914 "FLAC in MP4 support is experimental, add "
5915 "'-strict %d' if you want to use it.\n",
5916 FF_COMPLIANCE_EXPERIMENTAL);
5917 return AVERROR_EXPERIMENTAL;
5918 }
5919 }
5920 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE) {
5921 track->timescale = st->time_base.den;
5922 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_DATA) {
5923 track->timescale = st->time_base.den;
5924 } else {
5925 track->timescale = MOV_TIMESCALE;
5926 }
5927 if (!track->height)
5928 track->height = st->codecpar->height;
5929 /* The ism specific timescale isn't mandatory, but is assumed by
5930 * some tools, such as mp4split. */
5931 if (mov->mode == MODE_ISM)
5932 track->timescale = 10000000;
5933
5934 avpriv_set_pts_info(st, 64, 1, track->timescale);
5935
5936 if (mov->encryption_scheme == MOV_ENC_CENC_AES_CTR) {
5937 ret = ff_mov_cenc_init(&track->cenc, mov->encryption_key,
5938 track->par->codec_id == AV_CODEC_ID_H264, s->flags & AVFMT_FLAG_BITEXACT);
5939 if (ret)
5940 return ret;
5941 }
5942 }
5943
5944 enable_tracks(s);
5945 return 0;
5946}
5947
5948static int mov_write_header(AVFormatContext *s)
5949{
5950 AVIOContext *pb = s->pb;
5951 MOVMuxContext *mov = s->priv_data;
5952 AVDictionaryEntry *t, *global_tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
5953 int i, ret, hint_track = 0, tmcd_track = 0, nb_tracks = s->nb_streams;
5954
5955 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters)
5956 nb_tracks++;
5957
5958 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
5959 /* Add hint tracks for each audio and video stream */
5960 hint_track = nb_tracks;
5961 for (i = 0; i < s->nb_streams; i++) {
5962 AVStream *st = s->streams[i];
5963 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO ||
5964 st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
5965 nb_tracks++;
5966 }
5967 }
5968 }
5969
5970 if (mov->mode == MODE_MOV || mov->mode == MODE_MP4)
5971 tmcd_track = nb_tracks;
5972
5973 for (i = 0; i < s->nb_streams; i++) {
5974 int j;
5975 AVStream *st= s->streams[i];
5976 MOVTrack *track= &mov->tracks[i];
5977
5978 /* copy extradata if it exists */
5979 if (st->codecpar->extradata_size) {
5980 if (st->codecpar->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
5981 mov_create_dvd_sub_decoder_specific_info(track, st);
5982 else if (!TAG_IS_AVCI(track->tag) && st->codecpar->codec_id != AV_CODEC_ID_DNXHD) {
5983 track->vos_len = st->codecpar->extradata_size;
5984 track->vos_data = av_malloc(track->vos_len);
5985 if (!track->vos_data) {
5986 return AVERROR(ENOMEM);
5987 }
5988 memcpy(track->vos_data, st->codecpar->extradata, track->vos_len);
5989 }
5990 }
5991
5992 if (st->codecpar->codec_type != AVMEDIA_TYPE_AUDIO ||
5993 track->par->channel_layout != AV_CH_LAYOUT_MONO)
5994 continue;
5995
5996 for (j = 0; j < s->nb_streams; j++) {
5997 AVStream *stj= s->streams[j];
5998 MOVTrack *trackj= &mov->tracks[j];
5999 if (j == i)
6000 continue;
6001
6002 if (stj->codecpar->codec_type != AVMEDIA_TYPE_AUDIO ||
6003 trackj->par->channel_layout != AV_CH_LAYOUT_MONO ||
6004 trackj->language != track->language ||
6005 trackj->tag != track->tag
6006 )
6007 continue;
6008 track->multichannel_as_mono++;
6009 }
6010 }
6011
6012 if (!(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
6013 if ((ret = mov_write_identification(pb, s)) < 0)
6014 return ret;
6015 }
6016
6017 if (mov->reserved_moov_size){
6018 mov->reserved_header_pos = avio_tell(pb);
6019 if (mov->reserved_moov_size > 0)
6020 avio_skip(pb, mov->reserved_moov_size);
6021 }
6022
6023 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
6024 /* If no fragmentation options have been set, set a default. */
6025 if (!(mov->flags & (FF_MOV_FLAG_FRAG_KEYFRAME |
6026 FF_MOV_FLAG_FRAG_CUSTOM)) &&
6027 !mov->max_fragment_duration && !mov->max_fragment_size)
6028 mov->flags |= FF_MOV_FLAG_FRAG_KEYFRAME;
6029 } else {
6030 if (mov->flags & FF_MOV_FLAG_FASTSTART)
6031 mov->reserved_header_pos = avio_tell(pb);
6032 mov_write_mdat_tag(pb, mov);
6033 }
6034
6035 ff_parse_creation_time_metadata(s, &mov->time, 1);
6036 if (mov->time)
6037 mov->time += 0x7C25B080; // 1970 based -> 1904 based
6038
6039 if (mov->chapter_track)
6040 if ((ret = mov_create_chapter_track(s, mov->chapter_track)) < 0)
6041 return ret;
6042
6043 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
6044 /* Initialize the hint tracks for each audio and video stream */
6045 for (i = 0; i < s->nb_streams; i++) {
6046 AVStream *st = s->streams[i];
6047 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO ||
6048 st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
6049 if ((ret = ff_mov_init_hinting(s, hint_track, i)) < 0)
6050 return ret;
6051 hint_track++;
6052 }
6053 }
6054 }
6055
6056 if (mov->nb_meta_tmcd) {
6057 /* Initialize the tmcd tracks */
6058 for (i = 0; i < s->nb_streams; i++) {
6059 AVStream *st = s->streams[i];
6060 t = global_tcr;
6061
6062 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
6063 AVTimecode tc;
6064 if (!t)
6065 t = av_dict_get(st->metadata, "timecode", NULL, 0);
6066 if (!t)
6067 continue;
6068 if (mov_check_timecode_track(s, &tc, i, t->value) < 0)
6069 continue;
6070 if ((ret = mov_create_timecode_track(s, tmcd_track, i, tc)) < 0)
6071 return ret;
6072 tmcd_track++;
6073 }
6074 }
6075 }
6076
6077 avio_flush(pb);
6078
6079 if (mov->flags & FF_MOV_FLAG_ISML)
6080 mov_write_isml_manifest(pb, mov, s);
6081
6082 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV &&
6083 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
6084 if ((ret = mov_write_moov_tag(pb, mov, s)) < 0)
6085 return ret;
6086 avio_flush(pb);
6087 mov->moov_written = 1;
6088 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
6089 mov->reserved_header_pos = avio_tell(pb);
6090 }
6091
6092 return 0;
6093}
6094
6095static int get_moov_size(AVFormatContext *s)
6096{
6097 int ret;
6098 AVIOContext *moov_buf;
6099 MOVMuxContext *mov = s->priv_data;
6100
6101 if ((ret = ffio_open_null_buf(&moov_buf)) < 0)
6102 return ret;
6103 if ((ret = mov_write_moov_tag(moov_buf, mov, s)) < 0)
6104 return ret;
6105 return ffio_close_null_buf(moov_buf);
6106}
6107
6108static int get_sidx_size(AVFormatContext *s)
6109{
6110 int ret;
6111 AVIOContext *buf;
6112 MOVMuxContext *mov = s->priv_data;
6113
6114 if ((ret = ffio_open_null_buf(&buf)) < 0)
6115 return ret;
6116 mov_write_sidx_tags(buf, mov, -1, 0);
6117 return ffio_close_null_buf(buf);
6118}
6119
6120/*
6121 * This function gets the moov size if moved to the top of the file: the chunk
6122 * offset table can switch between stco (32-bit entries) to co64 (64-bit
6123 * entries) when the moov is moved to the beginning, so the size of the moov
6124 * would change. It also updates the chunk offset tables.
6125 */
6126static int compute_moov_size(AVFormatContext *s)
6127{
6128 int i, moov_size, moov_size2;
6129 MOVMuxContext *mov = s->priv_data;
6130
6131 moov_size = get_moov_size(s);
6132 if (moov_size < 0)
6133 return moov_size;
6134
6135 for (i = 0; i < mov->nb_streams; i++)
6136 mov->tracks[i].data_offset += moov_size;
6137
6138 moov_size2 = get_moov_size(s);
6139 if (moov_size2 < 0)
6140 return moov_size2;
6141
6142 /* if the size changed, we just switched from stco to co64 and need to
6143 * update the offsets */
6144 if (moov_size2 != moov_size)
6145 for (i = 0; i < mov->nb_streams; i++)
6146 mov->tracks[i].data_offset += moov_size2 - moov_size;
6147
6148 return moov_size2;
6149}
6150
6151static int compute_sidx_size(AVFormatContext *s)
6152{
6153 int i, sidx_size;
6154 MOVMuxContext *mov = s->priv_data;
6155
6156 sidx_size = get_sidx_size(s);
6157 if (sidx_size < 0)
6158 return sidx_size;
6159
6160 for (i = 0; i < mov->nb_streams; i++)
6161 mov->tracks[i].data_offset += sidx_size;
6162
6163 return sidx_size;
6164}
6165
6166static int shift_data(AVFormatContext *s)
6167{
6168 int ret = 0, moov_size;
6169 MOVMuxContext *mov = s->priv_data;
6170 int64_t pos, pos_end = avio_tell(s->pb);
6171 uint8_t *buf, *read_buf[2];
6172 int read_buf_id = 0;
6173 int read_size[2];
6174 AVIOContext *read_pb;
6175
6176 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
6177 moov_size = compute_sidx_size(s);
6178 else
6179 moov_size = compute_moov_size(s);
6180 if (moov_size < 0)
6181 return moov_size;
6182
6183 buf = av_malloc(moov_size * 2);
6184 if (!buf)
6185 return AVERROR(ENOMEM);
6186 read_buf[0] = buf;
6187 read_buf[1] = buf + moov_size;
6188
6189 /* Shift the data: the AVIO context of the output can only be used for
6190 * writing, so we re-open the same output, but for reading. It also avoids
6191 * a read/seek/write/seek back and forth. */
6192 avio_flush(s->pb);
6193 ret = s->io_open(s, &read_pb, s->filename, AVIO_FLAG_READ, NULL);
6194 if (ret < 0) {
6195 av_log(s, AV_LOG_ERROR, "Unable to re-open %s output file for "
6196 "the second pass (faststart)\n", s->filename);
6197 goto end;
6198 }
6199
6200 /* mark the end of the shift to up to the last data we wrote, and get ready
6201 * for writing */
6202 pos_end = avio_tell(s->pb);
6203 avio_seek(s->pb, mov->reserved_header_pos + moov_size, SEEK_SET);
6204
6205 /* start reading at where the new moov will be placed */
6206 avio_seek(read_pb, mov->reserved_header_pos, SEEK_SET);
6207 pos = avio_tell(read_pb);
6208
6209#define READ_BLOCK do { \
6210 read_size[read_buf_id] = avio_read(read_pb, read_buf[read_buf_id], moov_size); \
6211 read_buf_id ^= 1; \
6212} while (0)
6213
6214 /* shift data by chunk of at most moov_size */
6215 READ_BLOCK;
6216 do {
6217 int n;
6218 READ_BLOCK;
6219 n = read_size[read_buf_id];
6220 if (n <= 0)
6221 break;
6222 avio_write(s->pb, read_buf[read_buf_id], n);
6223 pos += n;
6224 } while (pos < pos_end);
6225 ff_format_io_close(s, &read_pb);
6226
6227end:
6228 av_free(buf);
6229 return ret;
6230}
6231
6232static int mov_write_trailer(AVFormatContext *s)
6233{
6234 MOVMuxContext *mov = s->priv_data;
6235 AVIOContext *pb = s->pb;
6236 int res = 0;
6237 int i;
6238 int64_t moov_pos;
6239
6240 if (mov->need_rewrite_extradata) {
6241 for (i = 0; i < s->nb_streams; i++) {
6242 MOVTrack *track = &mov->tracks[i];
6243 AVCodecParameters *par = track->par;
6244
6245 track->vos_len = par->extradata_size;
6246 track->vos_data = av_malloc(track->vos_len);
6247 if (!track->vos_data)
6248 return AVERROR(ENOMEM);
6249 memcpy(track->vos_data, par->extradata, track->vos_len);
6250 }
6251 mov->need_rewrite_extradata = 0;
6252 }
6253
6254 /*
6255 * Before actually writing the trailer, make sure that there are no
6256 * dangling subtitles, that need a terminating sample.
6257 */
6258 for (i = 0; i < mov->nb_streams; i++) {
6259 MOVTrack *trk = &mov->tracks[i];
6260 if (trk->par->codec_id == AV_CODEC_ID_MOV_TEXT &&
6261 !trk->last_sample_is_subtitle_end) {
6262 mov_write_subtitle_end_packet(s, i, trk->track_duration);
6263 trk->last_sample_is_subtitle_end = 1;
6264 }
6265 }
6266
6267 // If there were no chapters when the header was written, but there
6268 // are chapters now, write them in the trailer. This only works
6269 // when we are not doing fragments.
6270 if (!mov->chapter_track && !(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
6271 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters) {
6272 mov->chapter_track = mov->nb_streams++;
6273 if ((res = mov_create_chapter_track(s, mov->chapter_track)) < 0)
6274 return res;
6275 }
6276 }
6277
6278 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
6279 moov_pos = avio_tell(pb);
6280
6281 /* Write size of mdat tag */
6282 if (mov->mdat_size + 8 <= UINT32_MAX) {
6283 avio_seek(pb, mov->mdat_pos, SEEK_SET);
6284 avio_wb32(pb, mov->mdat_size + 8);
6285 } else {
6286 /* overwrite 'wide' placeholder atom */
6287 avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
6288 /* special value: real atom size will be 64 bit value after
6289 * tag field */
6290 avio_wb32(pb, 1);
6291 ffio_wfourcc(pb, "mdat");
6292 avio_wb64(pb, mov->mdat_size + 16);
6293 }
6294 avio_seek(pb, mov->reserved_moov_size > 0 ? mov->reserved_header_pos : moov_pos, SEEK_SET);
6295
6296 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
6297 av_log(s, AV_LOG_INFO, "Starting second pass: moving the moov atom to the beginning of the file\n");
6298 res = shift_data(s);
6299 if (res < 0)
6300 return res;
6301 avio_seek(pb, mov->reserved_header_pos, SEEK_SET);
6302 if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
6303 return res;
6304 } else if (mov->reserved_moov_size > 0) {
6305 int64_t size;
6306 if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
6307 return res;
6308 size = mov->reserved_moov_size - (avio_tell(pb) - mov->reserved_header_pos);
6309 if (size < 8){
6310 av_log(s, AV_LOG_ERROR, "reserved_moov_size is too small, needed %"PRId64" additional\n", 8-size);
6311 return AVERROR(EINVAL);
6312 }
6313 avio_wb32(pb, size);
6314 ffio_wfourcc(pb, "free");
6315 ffio_fill(pb, 0, size - 8);
6316 avio_seek(pb, moov_pos, SEEK_SET);
6317 } else {
6318 if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
6319 return res;
6320 }
6321 res = 0;
6322 } else {
6323 mov_auto_flush_fragment(s, 1);
6324 for (i = 0; i < mov->nb_streams; i++)
6325 mov->tracks[i].data_offset = 0;
6326 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX) {
6327 int64_t end;
6328 av_log(s, AV_LOG_INFO, "Starting second pass: inserting sidx atoms\n");
6329 res = shift_data(s);
6330 if (res < 0)
6331 return res;
6332 end = avio_tell(pb);
6333 avio_seek(pb, mov->reserved_header_pos, SEEK_SET);
6334 mov_write_sidx_tags(pb, mov, -1, 0);
6335 avio_seek(pb, end, SEEK_SET);
6336 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_TRAILER);
6337 mov_write_mfra_tag(pb, mov);
6338 } else if (!(mov->flags & FF_MOV_FLAG_SKIP_TRAILER)) {
6339 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_TRAILER);
6340 mov_write_mfra_tag(pb, mov);
6341 }
6342 }
6343
6344 return res;
6345}
6346
6347static int mov_check_bitstream(struct AVFormatContext *s, const AVPacket *pkt)
6348{
6349 int ret = 1;
6350 AVStream *st = s->streams[pkt->stream_index];
6351
6352 if (st->codecpar->codec_id == AV_CODEC_ID_AAC) {
6353 if (pkt->size > 2 && (AV_RB16(pkt->data) & 0xfff0) == 0xfff0)
6354 ret = ff_stream_add_bitstream_filter(st, "aac_adtstoasc", NULL);
6355 } else if (st->codecpar->codec_id == AV_CODEC_ID_VP9) {
6356 ret = ff_stream_add_bitstream_filter(st, "vp9_superframe", NULL);
6357 }
6358
6359 return ret;
6360}
6361
6362#if CONFIG_MOV_MUXER
6363MOV_CLASS(mov)
6364AVOutputFormat ff_mov_muxer = {
6365 .name = "mov",
6366 .long_name = NULL_IF_CONFIG_SMALL("QuickTime / MOV"),
6367 .extensions = "mov",
6368 .priv_data_size = sizeof(MOVMuxContext),
6369 .audio_codec = AV_CODEC_ID_AAC,
6370 .video_codec = CONFIG_LIBX264_ENCODER ?
6371 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
6372 .init = mov_init,
6373 .write_header = mov_write_header,
6374 .write_packet = mov_write_packet,
6375 .write_trailer = mov_write_trailer,
6376 .deinit = mov_free,
6377 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
6378 .codec_tag = (const AVCodecTag* const []){
6379 ff_codec_movvideo_tags, ff_codec_movaudio_tags, 0
6380 },
6381 .check_bitstream = mov_check_bitstream,
6382 .priv_class = &mov_muxer_class,
6383};
6384#endif
6385#if CONFIG_TGP_MUXER
6386MOV_CLASS(tgp)
6387AVOutputFormat ff_tgp_muxer = {
6388 .name = "3gp",
6389 .long_name = NULL_IF_CONFIG_SMALL("3GP (3GPP file format)"),
6390 .extensions = "3gp",
6391 .priv_data_size = sizeof(MOVMuxContext),
6392 .audio_codec = AV_CODEC_ID_AMR_NB,
6393 .video_codec = AV_CODEC_ID_H263,
6394 .init = mov_init,
6395 .write_header = mov_write_header,
6396 .write_packet = mov_write_packet,
6397 .write_trailer = mov_write_trailer,
6398 .deinit = mov_free,
6399 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
6400 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
6401 .check_bitstream = mov_check_bitstream,
6402 .priv_class = &tgp_muxer_class,
6403};
6404#endif
6405#if CONFIG_MP4_MUXER
6406MOV_CLASS(mp4)
6407AVOutputFormat ff_mp4_muxer = {
6408 .name = "mp4",
6409 .long_name = NULL_IF_CONFIG_SMALL("MP4 (MPEG-4 Part 14)"),
6410 .mime_type = "video/mp4",
6411 .extensions = "mp4",
6412 .priv_data_size = sizeof(MOVMuxContext),
6413 .audio_codec = AV_CODEC_ID_AAC,
6414 .video_codec = CONFIG_LIBX264_ENCODER ?
6415 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
6416 .init = mov_init,
6417 .write_header = mov_write_header,
6418 .write_packet = mov_write_packet,
6419 .write_trailer = mov_write_trailer,
6420 .deinit = mov_free,
6421 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
6422 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
6423 .check_bitstream = mov_check_bitstream,
6424 .priv_class = &mp4_muxer_class,
6425};
6426#endif
6427#if CONFIG_PSP_MUXER
6428MOV_CLASS(psp)
6429AVOutputFormat ff_psp_muxer = {
6430 .name = "psp",
6431 .long_name = NULL_IF_CONFIG_SMALL("PSP MP4 (MPEG-4 Part 14)"),
6432 .extensions = "mp4,psp",
6433 .priv_data_size = sizeof(MOVMuxContext),
6434 .audio_codec = AV_CODEC_ID_AAC,
6435 .video_codec = CONFIG_LIBX264_ENCODER ?
6436 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
6437 .init = mov_init,
6438 .write_header = mov_write_header,
6439 .write_packet = mov_write_packet,
6440 .write_trailer = mov_write_trailer,
6441 .deinit = mov_free,
6442 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
6443 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
6444 .check_bitstream = mov_check_bitstream,
6445 .priv_class = &psp_muxer_class,
6446};
6447#endif
6448#if CONFIG_TG2_MUXER
6449MOV_CLASS(tg2)
6450AVOutputFormat ff_tg2_muxer = {
6451 .name = "3g2",
6452 .long_name = NULL_IF_CONFIG_SMALL("3GP2 (3GPP2 file format)"),
6453 .extensions = "3g2",
6454 .priv_data_size = sizeof(MOVMuxContext),
6455 .audio_codec = AV_CODEC_ID_AMR_NB,
6456 .video_codec = AV_CODEC_ID_H263,
6457 .init = mov_init,
6458 .write_header = mov_write_header,
6459 .write_packet = mov_write_packet,
6460 .write_trailer = mov_write_trailer,
6461 .deinit = mov_free,
6462 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
6463 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
6464 .check_bitstream = mov_check_bitstream,
6465 .priv_class = &tg2_muxer_class,
6466};
6467#endif
6468#if CONFIG_IPOD_MUXER
6469MOV_CLASS(ipod)
6470AVOutputFormat ff_ipod_muxer = {
6471 .name = "ipod",
6472 .long_name = NULL_IF_CONFIG_SMALL("iPod H.264 MP4 (MPEG-4 Part 14)"),
6473 .mime_type = "video/mp4",
6474 .extensions = "m4v,m4a",
6475 .priv_data_size = sizeof(MOVMuxContext),
6476 .audio_codec = AV_CODEC_ID_AAC,
6477 .video_codec = AV_CODEC_ID_H264,
6478 .init = mov_init,
6479 .write_header = mov_write_header,
6480 .write_packet = mov_write_packet,
6481 .write_trailer = mov_write_trailer,
6482 .deinit = mov_free,
6483 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
6484 .codec_tag = (const AVCodecTag* const []){ codec_ipod_tags, 0 },
6485 .check_bitstream = mov_check_bitstream,
6486 .priv_class = &ipod_muxer_class,
6487};
6488#endif
6489#if CONFIG_ISMV_MUXER
6490MOV_CLASS(ismv)
6491AVOutputFormat ff_ismv_muxer = {
6492 .name = "ismv",
6493 .long_name = NULL_IF_CONFIG_SMALL("ISMV/ISMA (Smooth Streaming)"),
6494 .mime_type = "video/mp4",
6495 .extensions = "ismv,isma",
6496 .priv_data_size = sizeof(MOVMuxContext),
6497 .audio_codec = AV_CODEC_ID_AAC,
6498 .video_codec = AV_CODEC_ID_H264,
6499 .init = mov_init,
6500 .write_header = mov_write_header,
6501 .write_packet = mov_write_packet,
6502 .write_trailer = mov_write_trailer,
6503 .deinit = mov_free,
6504 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
6505 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
6506 .check_bitstream = mov_check_bitstream,
6507 .priv_class = &ismv_muxer_class,
6508};
6509#endif
6510#if CONFIG_F4V_MUXER
6511MOV_CLASS(f4v)
6512AVOutputFormat ff_f4v_muxer = {
6513 .name = "f4v",
6514 .long_name = NULL_IF_CONFIG_SMALL("F4V Adobe Flash Video"),
6515 .mime_type = "application/f4v",
6516 .extensions = "f4v",
6517 .priv_data_size = sizeof(MOVMuxContext),
6518 .audio_codec = AV_CODEC_ID_AAC,
6519 .video_codec = AV_CODEC_ID_H264,
6520 .init = mov_init,
6521 .write_header = mov_write_header,
6522 .write_packet = mov_write_packet,
6523 .write_trailer = mov_write_trailer,
6524 .deinit = mov_free,
6525 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
6526 .codec_tag = (const AVCodecTag* const []){ codec_f4v_tags, 0 },
6527 .check_bitstream = mov_check_bitstream,
6528 .priv_class = &f4v_muxer_class,
6529};
6530#endif
6531
generated by cgit at 2024-05-17 06:13:26 (GMT)