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movenc.c
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1 /*
2  * MOV, 3GP, MP4 muxer
3  * Copyright (c) 2003 Thomas Raivio
4  * Copyright (c) 2004 Gildas Bazin <gbazin at videolan dot org>
5  * Copyright (c) 2009 Baptiste Coudurier <baptiste dot coudurier at gmail dot com>
6  *
7  * This file is part of FFmpeg.
8  *
9  * FFmpeg is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU Lesser General Public
11  * License as published by the Free Software Foundation; either
12  * version 2.1 of the License, or (at your option) any later version.
13  *
14  * FFmpeg is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17  * Lesser General Public License for more details.
18  *
19  * You should have received a copy of the GNU Lesser General Public
20  * License along with FFmpeg; if not, write to the Free Software
21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22  */
23 
24 #include "movenc.h"
25 #include "avformat.h"
26 #include "avio_internal.h"
27 #include "riff.h"
28 #include "avio.h"
29 #include "isom.h"
30 #include "avc.h"
31 #include "libavcodec/get_bits.h"
32 #include "libavcodec/put_bits.h"
33 #include "libavcodec/vc1.h"
34 #include "internal.h"
35 #include "libavutil/avstring.h"
36 #include "libavutil/intfloat.h"
37 #include "libavutil/mathematics.h"
38 #include "libavutil/opt.h"
39 #include "libavutil/dict.h"
40 #include "rtpenc.h"
41 #include "mov_chan.h"
42 
43 #undef NDEBUG
44 #include <assert.h>
45 
46 static const AVOption options[] = {
47  { "movflags", "MOV muxer flags", offsetof(MOVMuxContext, flags), AV_OPT_TYPE_FLAGS, {.i64 = 0}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
48  { "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" },
49  { "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 },
50  { "empty_moov", "Make the initial moov atom empty (not supported by QuickTime)", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_EMPTY_MOOV}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
51  { "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" },
52  { "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" },
53  { "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" },
54  { "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" },
55  { "faststart", "Run a second pass to put the moov 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" },
56  FF_RTP_FLAG_OPTS(MOVMuxContext, rtp_flags),
57  { "skip_iods", "Skip writing iods atom.", offsetof(MOVMuxContext, iods_skip), AV_OPT_TYPE_INT, {.i64 = 1}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
58  { "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},
59  { "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},
60  { "frag_duration", "Maximum fragment duration", offsetof(MOVMuxContext, max_fragment_duration), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
61  { "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},
62  { "frag_size", "Maximum fragment size", offsetof(MOVMuxContext, max_fragment_size), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
63  { "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},
64  { "use_editlist", "use edit list", offsetof(MOVMuxContext, use_editlist), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 1, AV_OPT_FLAG_ENCODING_PARAM},
65  { NULL },
66 };
67 
68 #define MOV_CLASS(flavor)\
69 static const AVClass flavor ## _muxer_class = {\
70  .class_name = #flavor " muxer",\
71  .item_name = av_default_item_name,\
72  .option = options,\
73  .version = LIBAVUTIL_VERSION_INT,\
74 };
75 
76 //FIXME support 64 bit variant with wide placeholders
77 static int64_t update_size(AVIOContext *pb, int64_t pos)
78 {
79  int64_t curpos = avio_tell(pb);
80  avio_seek(pb, pos, SEEK_SET);
81  avio_wb32(pb, curpos - pos); /* rewrite size */
82  avio_seek(pb, curpos, SEEK_SET);
83 
84  return curpos - pos;
85 }
86 
87 static int supports_edts(MOVMuxContext *mov)
88 {
89  // EDTS with fragments is tricky as we dont know the duration when its written
90  return (mov->use_editlist<0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT)) || mov->use_editlist>0;
91 }
92 
93 static int is_co64_required(const MOVTrack *track)
94 {
95  int i;
96 
97  for (i = 0; i < track->entry; i++) {
98  if (!track->cluster[i].chunkNum)
99  continue;
100  if (track->cluster[i].pos + track->data_offset > UINT32_MAX)
101  return 1;
102  }
103  return 0;
104 }
105 
106 /* Chunk offset atom */
107 static int mov_write_stco_tag(AVIOContext *pb, MOVTrack *track)
108 {
109  int i;
110  int mode64 = is_co64_required(track); // use 32 bit size variant if possible
111  int64_t pos = avio_tell(pb);
112  avio_wb32(pb, 0); /* size */
113  if (mode64)
114  ffio_wfourcc(pb, "co64");
115  else
116  ffio_wfourcc(pb, "stco");
117  avio_wb32(pb, 0); /* version & flags */
118  avio_wb32(pb, track->chunkCount); /* entry count */
119  for (i=0; i<track->entry; i++) {
120  if(!track->cluster[i].chunkNum)
121  continue;
122  if(mode64 == 1)
123  avio_wb64(pb, track->cluster[i].pos + track->data_offset);
124  else
125  avio_wb32(pb, track->cluster[i].pos + track->data_offset);
126  }
127  return update_size(pb, pos);
128 }
129 
130 /* Sample size atom */
131 static int mov_write_stsz_tag(AVIOContext *pb, MOVTrack *track)
132 {
133  int equalChunks = 1;
134  int i, j, entries = 0, tst = -1, oldtst = -1;
135 
136  int64_t pos = avio_tell(pb);
137  avio_wb32(pb, 0); /* size */
138  ffio_wfourcc(pb, "stsz");
139  avio_wb32(pb, 0); /* version & flags */
140 
141  for (i=0; i<track->entry; i++) {
142  tst = track->cluster[i].size/track->cluster[i].entries;
143  if(oldtst != -1 && tst != oldtst) {
144  equalChunks = 0;
145  }
146  oldtst = tst;
147  entries += track->cluster[i].entries;
148  }
149  if (equalChunks && track->entry) {
150  int sSize = track->entry ? track->cluster[0].size/track->cluster[0].entries : 0;
151  sSize = FFMAX(1, sSize); // adpcm mono case could make sSize == 0
152  avio_wb32(pb, sSize); // sample size
153  avio_wb32(pb, entries); // sample count
154  }
155  else {
156  avio_wb32(pb, 0); // sample size
157  avio_wb32(pb, entries); // sample count
158  for (i=0; i<track->entry; i++) {
159  for (j=0; j<track->cluster[i].entries; j++) {
160  avio_wb32(pb, track->cluster[i].size /
161  track->cluster[i].entries);
162  }
163  }
164  }
165  return update_size(pb, pos);
166 }
167 
168 /* Sample to chunk atom */
169 static int mov_write_stsc_tag(AVIOContext *pb, MOVTrack *track)
170 {
171  int index = 0, oldval = -1, i;
172  int64_t entryPos, curpos;
173 
174  int64_t pos = avio_tell(pb);
175  avio_wb32(pb, 0); /* size */
176  ffio_wfourcc(pb, "stsc");
177  avio_wb32(pb, 0); // version & flags
178  entryPos = avio_tell(pb);
179  avio_wb32(pb, track->chunkCount); // entry count
180  for (i=0; i<track->entry; i++) {
181  if (oldval != track->cluster[i].samples_in_chunk && track->cluster[i].chunkNum)
182  {
183  avio_wb32(pb, track->cluster[i].chunkNum); // first chunk
184  avio_wb32(pb, track->cluster[i].samples_in_chunk); // samples per chunk
185  avio_wb32(pb, 0x1); // sample description index
186  oldval = track->cluster[i].samples_in_chunk;
187  index++;
188  }
189  }
190  curpos = avio_tell(pb);
191  avio_seek(pb, entryPos, SEEK_SET);
192  avio_wb32(pb, index); // rewrite size
193  avio_seek(pb, curpos, SEEK_SET);
194 
195  return update_size(pb, pos);
196 }
197 
198 /* Sync sample atom */
199 static int mov_write_stss_tag(AVIOContext *pb, MOVTrack *track, uint32_t flag)
200 {
201  int64_t curpos, entryPos;
202  int i, index = 0;
203  int64_t pos = avio_tell(pb);
204  avio_wb32(pb, 0); // size
205  ffio_wfourcc(pb, flag == MOV_SYNC_SAMPLE ? "stss" : "stps");
206  avio_wb32(pb, 0); // version & flags
207  entryPos = avio_tell(pb);
208  avio_wb32(pb, track->entry); // entry count
209  for (i=0; i<track->entry; i++) {
210  if (track->cluster[i].flags & flag) {
211  avio_wb32(pb, i+1);
212  index++;
213  }
214  }
215  curpos = avio_tell(pb);
216  avio_seek(pb, entryPos, SEEK_SET);
217  avio_wb32(pb, index); // rewrite size
218  avio_seek(pb, curpos, SEEK_SET);
219  return update_size(pb, pos);
220 }
221 
222 static int mov_write_amr_tag(AVIOContext *pb, MOVTrack *track)
223 {
224  avio_wb32(pb, 0x11); /* size */
225  if (track->mode == MODE_MOV) ffio_wfourcc(pb, "samr");
226  else ffio_wfourcc(pb, "damr");
227  ffio_wfourcc(pb, "FFMP");
228  avio_w8(pb, 0); /* decoder version */
229 
230  avio_wb16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
231  avio_w8(pb, 0x00); /* Mode change period (no restriction) */
232  avio_w8(pb, 0x01); /* Frames per sample */
233  return 0x11;
234 }
235 
236 static int mov_write_ac3_tag(AVIOContext *pb, MOVTrack *track)
237 {
238  GetBitContext gbc;
239  PutBitContext pbc;
240  uint8_t buf[3];
241  int fscod, bsid, bsmod, acmod, lfeon, frmsizecod;
242 
243  if (track->vos_len < 7)
244  return -1;
245 
246  avio_wb32(pb, 11);
247  ffio_wfourcc(pb, "dac3");
248 
249  init_get_bits(&gbc, track->vos_data + 4, (track->vos_len - 4) * 8);
250  fscod = get_bits(&gbc, 2);
251  frmsizecod = get_bits(&gbc, 6);
252  bsid = get_bits(&gbc, 5);
253  bsmod = get_bits(&gbc, 3);
254  acmod = get_bits(&gbc, 3);
255  if (acmod == 2) {
256  skip_bits(&gbc, 2); // dsurmod
257  } else {
258  if ((acmod & 1) && acmod != 1)
259  skip_bits(&gbc, 2); // cmixlev
260  if (acmod & 4)
261  skip_bits(&gbc, 2); // surmixlev
262  }
263  lfeon = get_bits1(&gbc);
264 
265  init_put_bits(&pbc, buf, sizeof(buf));
266  put_bits(&pbc, 2, fscod);
267  put_bits(&pbc, 5, bsid);
268  put_bits(&pbc, 3, bsmod);
269  put_bits(&pbc, 3, acmod);
270  put_bits(&pbc, 1, lfeon);
271  put_bits(&pbc, 5, frmsizecod>>1); // bit_rate_code
272  put_bits(&pbc, 5, 0); // reserved
273 
274  flush_put_bits(&pbc);
275  avio_write(pb, buf, sizeof(buf));
276 
277  return 11;
278 }
279 
280 /**
281  * This function writes extradata "as is".
282  * Extradata must be formatted like a valid atom (with size and tag).
283  */
285 {
286  avio_write(pb, track->enc->extradata, track->enc->extradata_size);
287  return track->enc->extradata_size;
288 }
289 
291 {
292  avio_wb32(pb, 10);
293  ffio_wfourcc(pb, "enda");
294  avio_wb16(pb, 1); /* little endian */
295  return 10;
296 }
297 
299 {
300  avio_wb32(pb, 10);
301  ffio_wfourcc(pb, "enda");
302  avio_wb16(pb, 0); /* big endian */
303  return 10;
304 }
305 
306 static void put_descr(AVIOContext *pb, int tag, unsigned int size)
307 {
308  int i = 3;
309  avio_w8(pb, tag);
310  for(; i>0; i--)
311  avio_w8(pb, (size>>(7*i)) | 0x80);
312  avio_w8(pb, size & 0x7F);
313 }
314 
315 static unsigned compute_avg_bitrate(MOVTrack *track)
316 {
317  uint64_t size = 0;
318  int i;
319  if (!track->track_duration)
320  return 0;
321  for (i = 0; i < track->entry; i++)
322  size += track->cluster[i].size;
323  return size * 8 * track->timescale / track->track_duration;
324 }
325 
326 static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track) // Basic
327 {
328  int64_t pos = avio_tell(pb);
329  int decoder_specific_info_len = track->vos_len ? 5 + track->vos_len : 0;
330  unsigned avg_bitrate;
331 
332  avio_wb32(pb, 0); // size
333  ffio_wfourcc(pb, "esds");
334  avio_wb32(pb, 0); // Version
335 
336  // ES descriptor
337  put_descr(pb, 0x03, 3 + 5+13 + decoder_specific_info_len + 5+1);
338  avio_wb16(pb, track->track_id);
339  avio_w8(pb, 0x00); // flags (= no flags)
340 
341  // DecoderConfig descriptor
342  put_descr(pb, 0x04, 13 + decoder_specific_info_len);
343 
344  // Object type indication
345  if ((track->enc->codec_id == AV_CODEC_ID_MP2 ||
346  track->enc->codec_id == AV_CODEC_ID_MP3) &&
347  track->enc->sample_rate > 24000)
348  avio_w8(pb, 0x6B); // 11172-3
349  else
351 
352  // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
353  // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
354  if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
355  avio_w8(pb, 0x15); // flags (= Audiostream)
356  else
357  avio_w8(pb, 0x11); // flags (= Visualstream)
358 
359  avio_wb24(pb, track->enc->rc_buffer_size >> 3); // Buffersize DB
360 
361  avg_bitrate = compute_avg_bitrate(track);
362  // maxbitrate (FIXME should be max rate in any 1 sec window)
363  avio_wb32(pb, FFMAX3(track->enc->bit_rate, track->enc->rc_max_rate, avg_bitrate));
364  avio_wb32(pb, avg_bitrate);
365 
366  if (track->vos_len) {
367  // DecoderSpecific info descriptor
368  put_descr(pb, 0x05, track->vos_len);
369  avio_write(pb, track->vos_data, track->vos_len);
370  }
371 
372  // SL descriptor
373  put_descr(pb, 0x06, 1);
374  avio_w8(pb, 0x02);
375  return update_size(pb, pos);
376 }
377 
379 {
380  return codec_id == AV_CODEC_ID_PCM_S24LE ||
381  codec_id == AV_CODEC_ID_PCM_S32LE ||
382  codec_id == AV_CODEC_ID_PCM_F32LE ||
383  codec_id == AV_CODEC_ID_PCM_F64LE;
384 }
385 
387 {
388  return codec_id == AV_CODEC_ID_PCM_S24BE ||
389  codec_id == AV_CODEC_ID_PCM_S32BE ||
390  codec_id == AV_CODEC_ID_PCM_F32BE ||
391  codec_id == AV_CODEC_ID_PCM_F64BE;
392 }
393 
394 static int mov_write_ms_tag(AVIOContext *pb, MOVTrack *track)
395 {
396  int64_t pos = avio_tell(pb);
397  avio_wb32(pb, 0);
398  avio_wl32(pb, track->tag); // store it byteswapped
399  track->enc->codec_tag = av_bswap16(track->tag >> 16);
400  ff_put_wav_header(pb, track->enc);
401  return update_size(pb, pos);
402 }
403 
404 static int mov_write_wfex_tag(AVIOContext *pb, MOVTrack *track)
405 {
406  int64_t pos = avio_tell(pb);
407  avio_wb32(pb, 0);
408  ffio_wfourcc(pb, "wfex");
409  ff_put_wav_header(pb, track->enc);
410  return update_size(pb, pos);
411 }
412 
413 static int mov_write_chan_tag(AVIOContext *pb, MOVTrack *track)
414 {
415  uint32_t layout_tag, bitmap;
416  int64_t pos = avio_tell(pb);
417 
418  layout_tag = ff_mov_get_channel_layout_tag(track->enc->codec_id,
419  track->enc->channel_layout,
420  &bitmap);
421  if (!layout_tag) {
422  av_log(track->enc, AV_LOG_WARNING, "not writing 'chan' tag due to "
423  "lack of channel information\n");
424  return 0;
425  }
426 
427  avio_wb32(pb, 0); // Size
428  ffio_wfourcc(pb, "chan"); // Type
429  avio_w8(pb, 0); // Version
430  avio_wb24(pb, 0); // Flags
431  avio_wb32(pb, layout_tag); // mChannelLayoutTag
432  avio_wb32(pb, bitmap); // mChannelBitmap
433  avio_wb32(pb, 0); // mNumberChannelDescriptions
434 
435  return update_size(pb, pos);
436 }
437 
438 static int mov_write_wave_tag(AVIOContext *pb, MOVTrack *track)
439 {
440  int64_t pos = avio_tell(pb);
441 
442  avio_wb32(pb, 0); /* size */
443  ffio_wfourcc(pb, "wave");
444 
445  if (track->enc->codec_id != AV_CODEC_ID_QDM2) {
446  avio_wb32(pb, 12); /* size */
447  ffio_wfourcc(pb, "frma");
448  avio_wl32(pb, track->tag);
449  }
450 
451  if (track->enc->codec_id == AV_CODEC_ID_AAC) {
452  /* useless atom needed by mplayer, ipod, not needed by quicktime */
453  avio_wb32(pb, 12); /* size */
454  ffio_wfourcc(pb, "mp4a");
455  avio_wb32(pb, 0);
456  mov_write_esds_tag(pb, track);
457  } else if (mov_pcm_le_gt16(track->enc->codec_id)) {
458  mov_write_enda_tag(pb);
459  } else if (mov_pcm_be_gt16(track->enc->codec_id)) {
461  } else if (track->enc->codec_id == AV_CODEC_ID_AMR_NB) {
462  mov_write_amr_tag(pb, track);
463  } else if (track->enc->codec_id == AV_CODEC_ID_AC3) {
464  mov_write_ac3_tag(pb, track);
465  } else if (track->enc->codec_id == AV_CODEC_ID_ALAC ||
466  track->enc->codec_id == AV_CODEC_ID_QDM2) {
467  mov_write_extradata_tag(pb, track);
468  } else if (track->enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
470  mov_write_ms_tag(pb, track);
471  }
472 
473  avio_wb32(pb, 8); /* size */
474  avio_wb32(pb, 0); /* null tag */
475 
476  return update_size(pb, pos);
477 }
478 
479 static int mov_write_dvc1_structs(MOVTrack *track, uint8_t *buf)
480 {
481  uint8_t *unescaped;
482  const uint8_t *start, *next, *end = track->vos_data + track->vos_len;
483  int unescaped_size, seq_found = 0;
484  int level = 0, interlace = 0;
485  int packet_seq = track->vc1_info.packet_seq;
486  int packet_entry = track->vc1_info.packet_entry;
487  int slices = track->vc1_info.slices;
488  PutBitContext pbc;
489 
490  if (track->start_dts == AV_NOPTS_VALUE) {
491  /* No packets written yet, vc1_info isn't authoritative yet. */
492  /* Assume inline sequence and entry headers. This will be
493  * overwritten at the end if the file is seekable. */
494  packet_seq = packet_entry = 1;
495  }
496 
497  unescaped = av_mallocz(track->vos_len + FF_INPUT_BUFFER_PADDING_SIZE);
498  if (!unescaped)
499  return AVERROR(ENOMEM);
500  start = find_next_marker(track->vos_data, end);
501  for (next = start; next < end; start = next) {
502  GetBitContext gb;
503  int size;
504  next = find_next_marker(start + 4, end);
505  size = next - start - 4;
506  if (size <= 0)
507  continue;
508  unescaped_size = vc1_unescape_buffer(start + 4, size, unescaped);
509  init_get_bits(&gb, unescaped, 8 * unescaped_size);
510  if (AV_RB32(start) == VC1_CODE_SEQHDR) {
511  int profile = get_bits(&gb, 2);
512  if (profile != PROFILE_ADVANCED) {
513  av_free(unescaped);
514  return AVERROR(ENOSYS);
515  }
516  seq_found = 1;
517  level = get_bits(&gb, 3);
518  /* chromaformat, frmrtq_postproc, bitrtq_postproc, postprocflag,
519  * width, height */
520  skip_bits_long(&gb, 2 + 3 + 5 + 1 + 2*12);
521  skip_bits(&gb, 1); /* broadcast */
522  interlace = get_bits1(&gb);
523  skip_bits(&gb, 4); /* tfcntrflag, finterpflag, reserved, psf */
524  }
525  }
526  if (!seq_found) {
527  av_free(unescaped);
528  return AVERROR(ENOSYS);
529  }
530 
531  init_put_bits(&pbc, buf, 7);
532  /* VC1DecSpecStruc */
533  put_bits(&pbc, 4, 12); /* profile - advanced */
534  put_bits(&pbc, 3, level);
535  put_bits(&pbc, 1, 0); /* reserved */
536  /* VC1AdvDecSpecStruc */
537  put_bits(&pbc, 3, level);
538  put_bits(&pbc, 1, 0); /* cbr */
539  put_bits(&pbc, 6, 0); /* reserved */
540  put_bits(&pbc, 1, !interlace); /* no interlace */
541  put_bits(&pbc, 1, !packet_seq); /* no multiple seq */
542  put_bits(&pbc, 1, !packet_entry); /* no multiple entry */
543  put_bits(&pbc, 1, !slices); /* no slice code */
544  put_bits(&pbc, 1, 0); /* no bframe */
545  put_bits(&pbc, 1, 0); /* reserved */
546  put_bits32(&pbc, track->enc->time_base.den); /* framerate */
547  flush_put_bits(&pbc);
548 
549  av_free(unescaped);
550 
551  return 0;
552 }
553 
554 static int mov_write_dvc1_tag(AVIOContext *pb, MOVTrack *track)
555 {
556  uint8_t buf[7] = { 0 };
557  int ret;
558 
559  if ((ret = mov_write_dvc1_structs(track, buf)) < 0)
560  return ret;
561 
562  avio_wb32(pb, track->vos_len + 8 + sizeof(buf));
563  ffio_wfourcc(pb, "dvc1");
564  track->vc1_info.struct_offset = avio_tell(pb);
565  avio_write(pb, buf, sizeof(buf));
566  avio_write(pb, track->vos_data, track->vos_len);
567 
568  return 0;
569 }
570 
571 static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track)
572 {
573  avio_wb32(pb, track->vos_len + 8);
574  ffio_wfourcc(pb, "glbl");
575  avio_write(pb, track->vos_data, track->vos_len);
576  return 8 + track->vos_len;
577 }
578 
579 /**
580  * Compute flags for 'lpcm' tag.
581  * See CoreAudioTypes and AudioStreamBasicDescription at Apple.
582  */
584 {
585  switch (codec_id) {
588  return 11;
591  return 9;
592  case AV_CODEC_ID_PCM_U8:
593  return 10;
597  return 14;
598  case AV_CODEC_ID_PCM_S8:
602  return 12;
603  default:
604  return 0;
605  }
606 }
607 
608 static int get_cluster_duration(MOVTrack *track, int cluster_idx)
609 {
610  int64_t next_dts;
611 
612  if (cluster_idx >= track->entry)
613  return 0;
614 
615  if (cluster_idx + 1 == track->entry)
616  next_dts = track->track_duration + track->start_dts;
617  else
618  next_dts = track->cluster[cluster_idx + 1].dts;
619 
620  return next_dts - track->cluster[cluster_idx].dts;
621 }
622 
624 {
625  int i, first_duration;
626 
627 // return track->enc->frame_size;
628 
629  /* use 1 for raw PCM */
630  if (!track->audio_vbr)
631  return 1;
632 
633  /* check to see if duration is constant for all clusters */
634  if (!track->entry)
635  return 0;
636  first_duration = get_cluster_duration(track, 0);
637  for (i = 1; i < track->entry; i++) {
638  if (get_cluster_duration(track, i) != first_duration)
639  return 0;
640  }
641  return first_duration;
642 }
643 
644 static int mov_write_audio_tag(AVIOContext *pb, MOVTrack *track)
645 {
646  int64_t pos = avio_tell(pb);
647  int version = 0;
648  uint32_t tag = track->tag;
649 
650  if (track->mode == MODE_MOV) {
651  if (track->timescale > UINT16_MAX) {
652  if (mov_get_lpcm_flags(track->enc->codec_id))
653  tag = AV_RL32("lpcm");
654  version = 2;
655  } else if (track->audio_vbr || mov_pcm_le_gt16(track->enc->codec_id) ||
656  mov_pcm_be_gt16(track->enc->codec_id) ||
657  track->enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
659  track->enc->codec_id == AV_CODEC_ID_QDM2) {
660  version = 1;
661  }
662  }
663 
664  avio_wb32(pb, 0); /* size */
665  avio_wl32(pb, tag); // store it byteswapped
666  avio_wb32(pb, 0); /* Reserved */
667  avio_wb16(pb, 0); /* Reserved */
668  avio_wb16(pb, 1); /* Data-reference index, XXX == 1 */
669 
670  /* SoundDescription */
671  avio_wb16(pb, version); /* Version */
672  avio_wb16(pb, 0); /* Revision level */
673  avio_wb32(pb, 0); /* Reserved */
674 
675  if (version == 2) {
676  avio_wb16(pb, 3);
677  avio_wb16(pb, 16);
678  avio_wb16(pb, 0xfffe);
679  avio_wb16(pb, 0);
680  avio_wb32(pb, 0x00010000);
681  avio_wb32(pb, 72);
682  avio_wb64(pb, av_double2int(track->enc->sample_rate));
683  avio_wb32(pb, track->enc->channels);
684  avio_wb32(pb, 0x7F000000);
687  avio_wb32(pb, track->sample_size);
688  avio_wb32(pb, get_samples_per_packet(track));
689  } else {
690  if (track->mode == MODE_MOV) {
691  avio_wb16(pb, track->enc->channels);
692  if (track->enc->codec_id == AV_CODEC_ID_PCM_U8 ||
693  track->enc->codec_id == AV_CODEC_ID_PCM_S8)
694  avio_wb16(pb, 8); /* bits per sample */
695  else
696  avio_wb16(pb, 16);
697  avio_wb16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
698  } else { /* reserved for mp4/3gp */
699  avio_wb16(pb, 2);
700  avio_wb16(pb, 16);
701  avio_wb16(pb, 0);
702  }
703 
704  avio_wb16(pb, 0); /* packet size (= 0) */
705  avio_wb16(pb, track->enc->sample_rate <= UINT16_MAX ?
706  track->enc->sample_rate : 0);
707  avio_wb16(pb, 0); /* Reserved */
708  }
709 
710  if(version == 1) { /* SoundDescription V1 extended info */
711  if (mov_pcm_le_gt16(track->enc->codec_id) ||
712  mov_pcm_be_gt16(track->enc->codec_id))
713  avio_wb32(pb, 1); /* must be 1 for uncompressed formats */
714  else
715  avio_wb32(pb, track->enc->frame_size); /* Samples per packet */
716  avio_wb32(pb, track->sample_size / track->enc->channels); /* Bytes per packet */
717  avio_wb32(pb, track->sample_size); /* Bytes per frame */
718  avio_wb32(pb, 2); /* Bytes per sample */
719  }
720 
721  if(track->mode == MODE_MOV &&
722  (track->enc->codec_id == AV_CODEC_ID_AAC ||
723  track->enc->codec_id == AV_CODEC_ID_AC3 ||
724  track->enc->codec_id == AV_CODEC_ID_AMR_NB ||
725  track->enc->codec_id == AV_CODEC_ID_ALAC ||
726  track->enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
728  track->enc->codec_id == AV_CODEC_ID_QDM2 ||
729  (mov_pcm_le_gt16(track->enc->codec_id) && version==1) ||
730  (mov_pcm_be_gt16(track->enc->codec_id) && version==1)))
731  mov_write_wave_tag(pb, track);
732  else if(track->tag == MKTAG('m','p','4','a'))
733  mov_write_esds_tag(pb, track);
734  else if(track->enc->codec_id == AV_CODEC_ID_AMR_NB)
735  mov_write_amr_tag(pb, track);
736  else if(track->enc->codec_id == AV_CODEC_ID_AC3)
737  mov_write_ac3_tag(pb, track);
738  else if(track->enc->codec_id == AV_CODEC_ID_ALAC)
739  mov_write_extradata_tag(pb, track);
740  else if (track->enc->codec_id == AV_CODEC_ID_WMAPRO)
741  mov_write_wfex_tag(pb, track);
742  else if (track->vos_len > 0)
743  mov_write_glbl_tag(pb, track);
744 
745  if (track->mode == MODE_MOV && track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
746  mov_write_chan_tag(pb, track);
747 
748  return update_size(pb, pos);
749 }
750 
752 {
753  avio_wb32(pb, 0xf); /* size */
754  ffio_wfourcc(pb, "d263");
755  ffio_wfourcc(pb, "FFMP");
756  avio_w8(pb, 0); /* decoder version */
757  /* FIXME use AVCodecContext level/profile, when encoder will set values */
758  avio_w8(pb, 0xa); /* level */
759  avio_w8(pb, 0); /* profile */
760  return 0xf;
761 }
762 
763 static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
764 {
765  int64_t pos = avio_tell(pb);
766 
767  avio_wb32(pb, 0);
768  ffio_wfourcc(pb, "avcC");
769  ff_isom_write_avcc(pb, track->vos_data, track->vos_len);
770  return update_size(pb, pos);
771 }
772 
773 /* also used by all avid codecs (dv, imx, meridien) and their variants */
774 static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
775 {
776  int i;
777  avio_wb32(pb, 24); /* size */
778  ffio_wfourcc(pb, "ACLR");
779  ffio_wfourcc(pb, "ACLR");
780  ffio_wfourcc(pb, "0001");
781  avio_wb32(pb, 2); /* yuv range: full 1 / normal 2 */
782  avio_wb32(pb, 0); /* unknown */
783 
784  avio_wb32(pb, 24); /* size */
785  ffio_wfourcc(pb, "APRG");
786  ffio_wfourcc(pb, "APRG");
787  ffio_wfourcc(pb, "0001");
788  avio_wb32(pb, 1); /* unknown */
789  avio_wb32(pb, 0); /* unknown */
790 
791  avio_wb32(pb, 120); /* size */
792  ffio_wfourcc(pb, "ARES");
793  ffio_wfourcc(pb, "ARES");
794  ffio_wfourcc(pb, "0001");
795  avio_wb32(pb, AV_RB32(track->vos_data + 0x28)); /* dnxhd cid, some id ? */
796  avio_wb32(pb, track->enc->width);
797  /* values below are based on samples created with quicktime and avid codecs */
798  if (track->vos_data[5] & 2) { // interlaced
799  avio_wb32(pb, track->enc->height/2);
800  avio_wb32(pb, 2); /* unknown */
801  avio_wb32(pb, 0); /* unknown */
802  avio_wb32(pb, 4); /* unknown */
803  } else {
804  avio_wb32(pb, track->enc->height);
805  avio_wb32(pb, 1); /* unknown */
806  avio_wb32(pb, 0); /* unknown */
807  if (track->enc->height == 1080)
808  avio_wb32(pb, 5); /* unknown */
809  else
810  avio_wb32(pb, 6); /* unknown */
811  }
812  /* padding */
813  for (i = 0; i < 10; i++)
814  avio_wb64(pb, 0);
815 
816  /* extra padding for stsd needed */
817  avio_wb32(pb, 0);
818  return 0;
819 }
820 
822 {
823  int tag = track->enc->codec_tag;
824 
826  return 0;
827 
828  if (track->enc->codec_id == AV_CODEC_ID_H264) tag = MKTAG('a','v','c','1');
829  else if (track->enc->codec_id == AV_CODEC_ID_AC3) tag = MKTAG('a','c','-','3');
830  else if (track->enc->codec_id == AV_CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c');
831  else if (track->enc->codec_id == AV_CODEC_ID_MOV_TEXT) tag = MKTAG('t','x','3','g');
832  else if (track->enc->codec_id == AV_CODEC_ID_VC1) tag = MKTAG('v','c','-','1');
833  else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) tag = MKTAG('m','p','4','v');
834  else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) tag = MKTAG('m','p','4','a');
835 
836  return tag;
837 }
838 
839 static const AVCodecTag codec_ipod_tags[] = {
840  { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
841  { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
842  { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
843  { AV_CODEC_ID_ALAC, MKTAG('a','l','a','c') },
844  { AV_CODEC_ID_AC3, MKTAG('a','c','-','3') },
845  { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
846  { AV_CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
847  { AV_CODEC_ID_NONE, 0 },
848 };
849 
851 {
852  int tag = track->enc->codec_tag;
853 
854  // keep original tag for subs, ipod supports both formats
855  if (!(track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE &&
856  (tag == MKTAG('t','x','3','g') ||
857  tag == MKTAG('t','e','x','t'))))
858  tag = ff_codec_get_tag(codec_ipod_tags, track->enc->codec_id);
859 
860  if (!av_match_ext(s->filename, "m4a") && !av_match_ext(s->filename, "m4v"))
861  av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
862  "Quicktime/Ipod might not play the file\n");
863 
864  return tag;
865 }
866 
868 {
869  int tag;
870 
871  if (track->enc->width == 720) { /* SD */
872  if (track->enc->height == 480) { /* NTSC */
873  if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
874  else tag = MKTAG('d','v','c',' ');
875  }else if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
876  else if (track->enc->pix_fmt == AV_PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
877  else tag = MKTAG('d','v','p','p');
878  } else if (track->enc->height == 720) { /* HD 720 line */
879  if (track->enc->time_base.den == 50) tag = MKTAG('d','v','h','q');
880  else tag = MKTAG('d','v','h','p');
881  } else if (track->enc->height == 1080) { /* HD 1080 line */
882  if (track->enc->time_base.den == 25) tag = MKTAG('d','v','h','5');
883  else tag = MKTAG('d','v','h','6');
884  } else {
885  av_log(s, AV_LOG_ERROR, "unsupported height for dv codec\n");
886  return 0;
887  }
888 
889  return tag;
890 }
891 
892 static const struct {
894  uint32_t tag;
895  unsigned bps;
896 } mov_pix_fmt_tags[] = {
897  { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','2'), 0 },
898  { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
899  { AV_PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
900  { AV_PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 },
901  { AV_PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
902  { AV_PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
903  { AV_PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
904  { AV_PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 },
905  { AV_PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
906  { AV_PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
907  { AV_PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
908  { AV_PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
909  { AV_PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
910  { AV_PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 },
911  { AV_PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
912 };
913 
915 {
916  int tag = track->enc->codec_tag;
917  int i;
918 
919  for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
920  if (track->enc->pix_fmt == mov_pix_fmt_tags[i].pix_fmt) {
921  tag = mov_pix_fmt_tags[i].tag;
922  track->enc->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
923  if (track->enc->codec_tag == mov_pix_fmt_tags[i].tag)
924  break;
925  }
926  }
927 
928  return tag;
929 }
930 
932 {
933  int tag = track->enc->codec_tag;
934 
935  if (!tag || (track->enc->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
936  (track->enc->codec_id == AV_CODEC_ID_DVVIDEO ||
937  track->enc->codec_id == AV_CODEC_ID_RAWVIDEO ||
938  track->enc->codec_id == AV_CODEC_ID_H263 ||
939  av_get_bits_per_sample(track->enc->codec_id)))) { // pcm audio
940  if (track->enc->codec_id == AV_CODEC_ID_DVVIDEO)
941  tag = mov_get_dv_codec_tag(s, track);
942  else if (track->enc->codec_id == AV_CODEC_ID_RAWVIDEO)
943  tag = mov_get_rawvideo_codec_tag(s, track);
944  else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
946  if (!tag) { // if no mac fcc found, try with Microsoft tags
948  if (tag)
949  av_log(s, AV_LOG_WARNING, "Using MS style video codec tag, "
950  "the file may be unplayable!\n");
951  }
952  } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
954  if (!tag) { // if no mac fcc found, try with Microsoft tags
955  int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->enc->codec_id);
956  if (ms_tag) {
957  tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
958  av_log(s, AV_LOG_WARNING, "Using MS style audio codec tag, "
959  "the file may be unplayable!\n");
960  }
961  }
962  } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
964  }
965 
966  return tag;
967 }
968 
969 static const AVCodecTag codec_3gp_tags[] = {
970  { AV_CODEC_ID_H263, MKTAG('s','2','6','3') },
971  { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
972  { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
973  { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
974  { AV_CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
975  { AV_CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
976  { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
977  { AV_CODEC_ID_NONE, 0 },
978 };
979 
980 static const AVCodecTag codec_f4v_tags[] = { // XXX: add GIF/PNG/JPEG?
981  { AV_CODEC_ID_MP3, MKTAG('.','m','p','3') },
982  { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
983  { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
984  { AV_CODEC_ID_VP6F, MKTAG('V','P','6','F') },
985  { AV_CODEC_ID_NONE, 0 },
986 };
987 
989 {
990  int tag;
991 
992  if (track->mode == MODE_MP4 || track->mode == MODE_PSP)
993  tag = mp4_get_codec_tag(s, track);
994  else if (track->mode == MODE_ISM) {
995  tag = mp4_get_codec_tag(s, track);
996  if (!tag && track->enc->codec_id == AV_CODEC_ID_WMAPRO)
997  tag = MKTAG('w', 'm', 'a', ' ');
998  } else if (track->mode == MODE_IPOD)
999  tag = ipod_get_codec_tag(s, track);
1000  else if (track->mode & MODE_3GP)
1001  tag = ff_codec_get_tag(codec_3gp_tags, track->enc->codec_id);
1002  else if (track->mode & MODE_F4V)
1003  tag = ff_codec_get_tag(codec_f4v_tags, track->enc->codec_id);
1004  else
1005  tag = mov_get_codec_tag(s, track);
1006 
1007  return tag;
1008 }
1009 
1010 /** Write uuid atom.
1011  * Needed to make file play in iPods running newest firmware
1012  * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
1013  */
1015 {
1016  avio_wb32(pb, 28);
1017  ffio_wfourcc(pb, "uuid");
1018  avio_wb32(pb, 0x6b6840f2);
1019  avio_wb32(pb, 0x5f244fc5);
1020  avio_wb32(pb, 0xba39a51b);
1021  avio_wb32(pb, 0xcf0323f3);
1022  avio_wb32(pb, 0x0);
1023  return 28;
1024 }
1025 
1026 static const uint16_t fiel_data[] = {
1027  0x0000, 0x0100, 0x0201, 0x0206, 0x0209, 0x020e
1028 };
1029 
1030 static int mov_write_fiel_tag(AVIOContext *pb, MOVTrack *track)
1031 {
1032  unsigned mov_field_order = 0;
1033  if (track->enc->field_order < FF_ARRAY_ELEMS(fiel_data))
1034  mov_field_order = fiel_data[track->enc->field_order];
1035  else
1036  return 0;
1037  avio_wb32(pb, 10);
1038  ffio_wfourcc(pb, "fiel");
1039  avio_wb16(pb, mov_field_order);
1040  return 10;
1041 }
1042 
1044 {
1045  int64_t pos = avio_tell(pb);
1046  avio_wb32(pb, 0); /* size */
1047  avio_wl32(pb, track->tag); // store it byteswapped
1048  avio_wb32(pb, 0); /* Reserved */
1049  avio_wb16(pb, 0); /* Reserved */
1050  avio_wb16(pb, 1); /* Data-reference index */
1051 
1052  if (track->enc->extradata_size)
1053  avio_write(pb, track->enc->extradata, track->enc->extradata_size);
1054 
1055  return update_size(pb, pos);
1056 }
1057 
1058 static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
1059 {
1060  AVRational sar;
1061  av_reduce(&sar.num, &sar.den, track->enc->sample_aspect_ratio.num,
1062  track->enc->sample_aspect_ratio.den, INT_MAX);
1063 
1064  avio_wb32(pb, 16);
1065  ffio_wfourcc(pb, "pasp");
1066  avio_wb32(pb, sar.num);
1067  avio_wb32(pb, sar.den);
1068  return 16;
1069 }
1070 
1072 {
1073  int64_t pos = avio_tell(pb);
1074  char compressor_name[32] = { 0 };
1075 
1076  avio_wb32(pb, 0); /* size */
1077  avio_wl32(pb, track->tag); // store it byteswapped
1078  avio_wb32(pb, 0); /* Reserved */
1079  avio_wb16(pb, 0); /* Reserved */
1080  avio_wb16(pb, 1); /* Data-reference index */
1081 
1082  avio_wb16(pb, 0); /* Codec stream version */
1083  avio_wb16(pb, 0); /* Codec stream revision (=0) */
1084  if (track->mode == MODE_MOV) {
1085  ffio_wfourcc(pb, "FFMP"); /* Vendor */
1086  if(track->enc->codec_id == AV_CODEC_ID_RAWVIDEO) {
1087  avio_wb32(pb, 0); /* Temporal Quality */
1088  avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/
1089  } else {
1090  avio_wb32(pb, 0x200); /* Temporal Quality = normal */
1091  avio_wb32(pb, 0x200); /* Spatial Quality = normal */
1092  }
1093  } else {
1094  avio_wb32(pb, 0); /* Reserved */
1095  avio_wb32(pb, 0); /* Reserved */
1096  avio_wb32(pb, 0); /* Reserved */
1097  }
1098  avio_wb16(pb, track->enc->width); /* Video width */
1099  avio_wb16(pb, track->height); /* Video height */
1100  avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */
1101  avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */
1102  avio_wb32(pb, 0); /* Data size (= 0) */
1103  avio_wb16(pb, 1); /* Frame count (= 1) */
1104 
1105  /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
1106  if (track->mode == MODE_MOV && track->enc->codec && track->enc->codec->name)
1107  av_strlcpy(compressor_name,track->enc->codec->name,32);
1108  avio_w8(pb, strlen(compressor_name));
1109  avio_write(pb, compressor_name, 31);
1110 
1111  if (track->mode == MODE_MOV && track->enc->bits_per_coded_sample)
1112  avio_wb16(pb, track->enc->bits_per_coded_sample);
1113  else
1114  avio_wb16(pb, 0x18); /* Reserved */
1115  avio_wb16(pb, 0xffff); /* Reserved */
1116  if(track->tag == MKTAG('m','p','4','v'))
1117  mov_write_esds_tag(pb, track);
1118  else if(track->enc->codec_id == AV_CODEC_ID_H263)
1119  mov_write_d263_tag(pb);
1120  else if(track->enc->codec_id == AV_CODEC_ID_AVUI ||
1121  track->enc->codec_id == AV_CODEC_ID_SVQ3) {
1122  mov_write_extradata_tag(pb, track);
1123  avio_wb32(pb, 0);
1124  } else if(track->enc->codec_id == AV_CODEC_ID_DNXHD)
1125  mov_write_avid_tag(pb, track);
1126  else if(track->enc->codec_id == AV_CODEC_ID_H264) {
1127  mov_write_avcc_tag(pb, track);
1128  if(track->mode == MODE_IPOD)
1130  } else if (track->enc->codec_id == AV_CODEC_ID_VC1 && track->vos_len > 0)
1131  mov_write_dvc1_tag(pb, track);
1132  else if (track->vos_len > 0)
1133  mov_write_glbl_tag(pb, track);
1134 
1135  if (track->enc->codec_id != AV_CODEC_ID_H264 &&
1136  track->enc->codec_id != AV_CODEC_ID_MPEG4 &&
1137  track->enc->codec_id != AV_CODEC_ID_DNXHD)
1138  if (track->enc->field_order != AV_FIELD_UNKNOWN)
1139  mov_write_fiel_tag(pb, track);
1140 
1141  if (track->enc->sample_aspect_ratio.den && track->enc->sample_aspect_ratio.num &&
1142  track->enc->sample_aspect_ratio.den != track->enc->sample_aspect_ratio.num) {
1143  mov_write_pasp_tag(pb, track);
1144  }
1145 
1146  return update_size(pb, pos);
1147 }
1148 
1149 static int mov_write_tmcd_tag(AVIOContext *pb, MOVTrack *track)
1150 {
1151  int64_t pos = avio_tell(pb);
1152  int frame_duration = av_rescale(track->timescale, track->enc->time_base.num, track->enc->time_base.den);
1153  int nb_frames = 1.0/av_q2d(track->enc->time_base) + 0.5;
1154 
1155  if (nb_frames > 255) {
1156  av_log(NULL, AV_LOG_ERROR, "fps %d is too large\n", nb_frames);
1157  return AVERROR(EINVAL);
1158  }
1159 
1160  avio_wb32(pb, 0); /* size */
1161  ffio_wfourcc(pb, "tmcd"); /* Data format */
1162  avio_wb32(pb, 0); /* Reserved */
1163  avio_wb32(pb, 1); /* Data reference index */
1164  avio_wb32(pb, 0); /* Flags */
1165  avio_wb32(pb, track->timecode_flags); /* Flags (timecode) */
1166  avio_wb32(pb, track->timescale); /* Timescale */
1167  avio_wb32(pb, frame_duration); /* Frame duration */
1168  avio_w8(pb, nb_frames); /* Number of frames */
1169  avio_wb24(pb, 0); /* Reserved */
1170  /* TODO: source reference string */
1171  return update_size(pb, pos);
1172 }
1173 
1174 static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
1175 {
1176  int64_t pos = avio_tell(pb);
1177  avio_wb32(pb, 0); /* size */
1178  ffio_wfourcc(pb, "rtp ");
1179  avio_wb32(pb, 0); /* Reserved */
1180  avio_wb16(pb, 0); /* Reserved */
1181  avio_wb16(pb, 1); /* Data-reference index */
1182 
1183  avio_wb16(pb, 1); /* Hint track version */
1184  avio_wb16(pb, 1); /* Highest compatible version */
1185  avio_wb32(pb, track->max_packet_size); /* Max packet size */
1186 
1187  avio_wb32(pb, 12); /* size */
1188  ffio_wfourcc(pb, "tims");
1189  avio_wb32(pb, track->timescale);
1190 
1191  return update_size(pb, pos);
1192 }
1193 
1194 static int mov_write_stsd_tag(AVIOContext *pb, MOVTrack *track)
1195 {
1196  int64_t pos = avio_tell(pb);
1197  avio_wb32(pb, 0); /* size */
1198  ffio_wfourcc(pb, "stsd");
1199  avio_wb32(pb, 0); /* version & flags */
1200  avio_wb32(pb, 1); /* entry count */
1201  if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1202  mov_write_video_tag(pb, track);
1203  else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1204  mov_write_audio_tag(pb, track);
1205  else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
1206  mov_write_subtitle_tag(pb, track);
1207  else if (track->enc->codec_tag == MKTAG('r','t','p',' '))
1208  mov_write_rtp_tag(pb, track);
1209  else if (track->enc->codec_tag == MKTAG('t','m','c','d'))
1210  mov_write_tmcd_tag(pb, track);
1211  return update_size(pb, pos);
1212 }
1213 
1214 static int mov_write_ctts_tag(AVIOContext *pb, MOVTrack *track)
1215 {
1216  MOVStts *ctts_entries;
1217  uint32_t entries = 0;
1218  uint32_t atom_size;
1219  int i;
1220 
1221  ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */
1222  ctts_entries[0].count = 1;
1223  ctts_entries[0].duration = track->cluster[0].cts;
1224  for (i=1; i<track->entry; i++) {
1225  if (track->cluster[i].cts == ctts_entries[entries].duration) {
1226  ctts_entries[entries].count++; /* compress */
1227  } else {
1228  entries++;
1229  ctts_entries[entries].duration = track->cluster[i].cts;
1230  ctts_entries[entries].count = 1;
1231  }
1232  }
1233  entries++; /* last one */
1234  atom_size = 16 + (entries * 8);
1235  avio_wb32(pb, atom_size); /* size */
1236  ffio_wfourcc(pb, "ctts");
1237  avio_wb32(pb, 0); /* version & flags */
1238  avio_wb32(pb, entries); /* entry count */
1239  for (i=0; i<entries; i++) {
1240  avio_wb32(pb, ctts_entries[i].count);
1241  avio_wb32(pb, ctts_entries[i].duration);
1242  }
1243  av_free(ctts_entries);
1244  return atom_size;
1245 }
1246 
1247 /* Time to sample atom */
1248 static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
1249 {
1250  MOVStts *stts_entries;
1251  uint32_t entries = -1;
1252  uint32_t atom_size;
1253  int i;
1254 
1255  if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
1256  stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
1257  stts_entries[0].count = track->sample_count;
1258  stts_entries[0].duration = 1;
1259  entries = 1;
1260  } else {
1261  stts_entries = track->entry ?
1262  av_malloc(track->entry * sizeof(*stts_entries)) : /* worst case */
1263  NULL;
1264  for (i=0; i<track->entry; i++) {
1265  int duration = get_cluster_duration(track, i);
1266  if (i && duration == stts_entries[entries].duration) {
1267  stts_entries[entries].count++; /* compress */
1268  } else {
1269  entries++;
1270  stts_entries[entries].duration = duration;
1271  stts_entries[entries].count = 1;
1272  }
1273  }
1274  entries++; /* last one */
1275  }
1276  atom_size = 16 + (entries * 8);
1277  avio_wb32(pb, atom_size); /* size */
1278  ffio_wfourcc(pb, "stts");
1279  avio_wb32(pb, 0); /* version & flags */
1280  avio_wb32(pb, entries); /* entry count */
1281  for (i=0; i<entries; i++) {
1282  avio_wb32(pb, stts_entries[i].count);
1283  avio_wb32(pb, stts_entries[i].duration);
1284  }
1285  av_free(stts_entries);
1286  return atom_size;
1287 }
1288 
1290 {
1291  avio_wb32(pb, 28); /* size */
1292  ffio_wfourcc(pb, "dref");
1293  avio_wb32(pb, 0); /* version & flags */
1294  avio_wb32(pb, 1); /* entry count */
1295 
1296  avio_wb32(pb, 0xc); /* size */
1297  //FIXME add the alis and rsrc atom
1298  ffio_wfourcc(pb, "url ");
1299  avio_wb32(pb, 1); /* version & flags */
1300 
1301  return 28;
1302 }
1303 
1304 static int mov_write_stbl_tag(AVIOContext *pb, MOVTrack *track)
1305 {
1306  int64_t pos = avio_tell(pb);
1307  avio_wb32(pb, 0); /* size */
1308  ffio_wfourcc(pb, "stbl");
1309  mov_write_stsd_tag(pb, track);
1310  mov_write_stts_tag(pb, track);
1311  if ((track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1312  track->enc->codec_tag == MKTAG('r','t','p',' ')) &&
1313  track->has_keyframes && track->has_keyframes < track->entry)
1314  mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
1315  if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
1317  if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO &&
1318  track->flags & MOV_TRACK_CTTS)
1319  mov_write_ctts_tag(pb, track);
1320  mov_write_stsc_tag(pb, track);
1321  mov_write_stsz_tag(pb, track);
1322  mov_write_stco_tag(pb, track);
1323  return update_size(pb, pos);
1324 }
1325 
1327 {
1328  int64_t pos = avio_tell(pb);
1329  avio_wb32(pb, 0); /* size */
1330  ffio_wfourcc(pb, "dinf");
1331  mov_write_dref_tag(pb);
1332  return update_size(pb, pos);
1333 }
1334 
1336 {
1337  avio_wb32(pb, 12);
1338  ffio_wfourcc(pb, "nmhd");
1339  avio_wb32(pb, 0);
1340  return 12;
1341 }
1342 
1343 static int mov_write_tcmi_tag(AVIOContext *pb, MOVTrack *track)
1344 {
1345  int64_t pos = avio_tell(pb);
1346  const char *font = "Lucida Grande";
1347  avio_wb32(pb, 0); /* size */
1348  ffio_wfourcc(pb, "tcmi"); /* timecode media information atom */
1349  avio_wb32(pb, 0); /* version & flags */
1350  avio_wb16(pb, 0); /* text font */
1351  avio_wb16(pb, 0); /* text face */
1352  avio_wb16(pb, 12); /* text size */
1353  avio_wb16(pb, 0); /* (unknown, not in the QT specs...) */
1354  avio_wb16(pb, 0x0000); /* text color (red) */
1355  avio_wb16(pb, 0x0000); /* text color (green) */
1356  avio_wb16(pb, 0x0000); /* text color (blue) */
1357  avio_wb16(pb, 0xffff); /* background color (red) */
1358  avio_wb16(pb, 0xffff); /* background color (green) */
1359  avio_wb16(pb, 0xffff); /* background color (blue) */
1360  avio_w8(pb, strlen(font)); /* font len (part of the pascal string) */
1361  avio_write(pb, font, strlen(font)); /* font name */
1362  return update_size(pb, pos);
1363 }
1364 
1365 static int mov_write_gmhd_tag(AVIOContext *pb, MOVTrack *track)
1366 {
1367  int64_t pos = avio_tell(pb);
1368  avio_wb32(pb, 0); /* size */
1369  ffio_wfourcc(pb, "gmhd");
1370  avio_wb32(pb, 0x18); /* gmin size */
1371  ffio_wfourcc(pb, "gmin");/* generic media info */
1372  avio_wb32(pb, 0); /* version & flags */
1373  avio_wb16(pb, 0x40); /* graphics mode = */
1374  avio_wb16(pb, 0x8000); /* opColor (r?) */
1375  avio_wb16(pb, 0x8000); /* opColor (g?) */
1376  avio_wb16(pb, 0x8000); /* opColor (b?) */
1377  avio_wb16(pb, 0); /* balance */
1378  avio_wb16(pb, 0); /* reserved */
1379 
1380  /*
1381  * This special text atom is required for
1382  * Apple Quicktime chapters. The contents
1383  * don't appear to be documented, so the
1384  * bytes are copied verbatim.
1385  */
1386  if (track->tag != MKTAG('c','6','0','8')) {
1387  avio_wb32(pb, 0x2C); /* size */
1388  ffio_wfourcc(pb, "text");
1389  avio_wb16(pb, 0x01);
1390  avio_wb32(pb, 0x00);
1391  avio_wb32(pb, 0x00);
1392  avio_wb32(pb, 0x00);
1393  avio_wb32(pb, 0x01);
1394  avio_wb32(pb, 0x00);
1395  avio_wb32(pb, 0x00);
1396  avio_wb32(pb, 0x00);
1397  avio_wb32(pb, 0x00004000);
1398  avio_wb16(pb, 0x0000);
1399  }
1400 
1401  if (track->enc->codec_tag == MKTAG('t','m','c','d')) {
1402  int64_t tmcd_pos = avio_tell(pb);
1403  avio_wb32(pb, 0); /* size */
1404  ffio_wfourcc(pb, "tmcd");
1405  mov_write_tcmi_tag(pb, track);
1406  update_size(pb, tmcd_pos);
1407  }
1408  return update_size(pb, pos);
1409 }
1410 
1412 {
1413  avio_wb32(pb, 16); /* size */
1414  ffio_wfourcc(pb, "smhd");
1415  avio_wb32(pb, 0); /* version & flags */
1416  avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
1417  avio_wb16(pb, 0); /* reserved */
1418  return 16;
1419 }
1420 
1422 {
1423  avio_wb32(pb, 0x14); /* size (always 0x14) */
1424  ffio_wfourcc(pb, "vmhd");
1425  avio_wb32(pb, 0x01); /* version & flags */
1426  avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
1427  return 0x14;
1428 }
1429 
1430 static int mov_write_hdlr_tag(AVIOContext *pb, MOVTrack *track)
1431 {
1432  const char *hdlr, *descr = NULL, *hdlr_type = NULL;
1433  int64_t pos = avio_tell(pb);
1434 
1435  if (!track) { /* no media --> data handler */
1436  hdlr = "dhlr";
1437  hdlr_type = "url ";
1438  descr = "DataHandler";
1439  } else {
1440  hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
1441  if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1442  hdlr_type = "vide";
1443  descr = "VideoHandler";
1444  } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
1445  hdlr_type = "soun";
1446  descr = "SoundHandler";
1447  } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1448  if (track->tag == MKTAG('c','6','0','8')) {
1449  hdlr_type = "clcp";
1450  descr = "ClosedCaptionHandler";
1451  } else {
1452  if (track->tag == MKTAG('t','x','3','g')) hdlr_type = "sbtl";
1453  else hdlr_type = "text";
1454  descr = "SubtitleHandler";
1455  }
1456  } else if (track->enc->codec_tag == MKTAG('t','m','c','d')) {
1457  hdlr_type = "tmcd";
1458  descr = "TimeCodeHandler";
1459  } else if (track->enc->codec_tag == MKTAG('r','t','p',' ')) {
1460  hdlr_type = "hint";
1461  descr = "HintHandler";
1462  } else {
1463  hdlr = "dhlr";
1464  hdlr_type = "url ";
1465  descr = "DataHandler";
1466  }
1467  }
1468 
1469  avio_wb32(pb, 0); /* size */
1470  ffio_wfourcc(pb, "hdlr");
1471  avio_wb32(pb, 0); /* Version & flags */
1472  avio_write(pb, hdlr, 4); /* handler */
1473  ffio_wfourcc(pb, hdlr_type); /* handler type */
1474  avio_wb32(pb ,0); /* reserved */
1475  avio_wb32(pb ,0); /* reserved */
1476  avio_wb32(pb ,0); /* reserved */
1477  if (!track || track->mode == MODE_MOV)
1478  avio_w8(pb, strlen(descr)); /* pascal string */
1479  avio_write(pb, descr, strlen(descr)); /* handler description */
1480  if (track && track->mode != MODE_MOV)
1481  avio_w8(pb, 0); /* c string */
1482  return update_size(pb, pos);
1483 }
1484 
1486 {
1487  /* This atom must be present, but leaving the values at zero
1488  * seems harmless. */
1489  avio_wb32(pb, 28); /* size */
1490  ffio_wfourcc(pb, "hmhd");
1491  avio_wb32(pb, 0); /* version, flags */
1492  avio_wb16(pb, 0); /* maxPDUsize */
1493  avio_wb16(pb, 0); /* avgPDUsize */
1494  avio_wb32(pb, 0); /* maxbitrate */
1495  avio_wb32(pb, 0); /* avgbitrate */
1496  avio_wb32(pb, 0); /* reserved */
1497  return 28;
1498 }
1499 
1500 static int mov_write_minf_tag(AVIOContext *pb, MOVTrack *track)
1501 {
1502  int64_t pos = avio_tell(pb);
1503  avio_wb32(pb, 0); /* size */
1504  ffio_wfourcc(pb, "minf");
1505  if(track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
1506  mov_write_vmhd_tag(pb);
1507  else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1508  mov_write_smhd_tag(pb);
1509  else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1510  if (track->tag == MKTAG('t','e','x','t') || track->tag == MKTAG('c','6','0','8')) {
1511  mov_write_gmhd_tag(pb, track);
1512  } else {
1513  mov_write_nmhd_tag(pb);
1514  }
1515  } else if (track->tag == MKTAG('t','m','c','d')) {
1516  mov_write_gmhd_tag(pb, track);
1517  } else if (track->tag == MKTAG('r','t','p',' ')) {
1518  mov_write_hmhd_tag(pb);
1519  }
1520  if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
1521  mov_write_hdlr_tag(pb, NULL);
1522  mov_write_dinf_tag(pb);
1523  mov_write_stbl_tag(pb, track);
1524  return update_size(pb, pos);
1525 }
1526 
1527 static int mov_write_mdhd_tag(AVIOContext *pb, MOVTrack *track)
1528 {
1529  int version = track->track_duration < INT32_MAX ? 0 : 1;
1530 
1531  if (track->mode == MODE_ISM)
1532  version = 1;
1533 
1534  (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
1535  ffio_wfourcc(pb, "mdhd");
1536  avio_w8(pb, version);
1537  avio_wb24(pb, 0); /* flags */
1538  if (version == 1) {
1539  avio_wb64(pb, track->time);
1540  avio_wb64(pb, track->time);
1541  } else {
1542  avio_wb32(pb, track->time); /* creation time */
1543  avio_wb32(pb, track->time); /* modification time */
1544  }
1545  avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
1546  if (!track->entry)
1547  (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
1548  else
1549  (version == 1) ? avio_wb64(pb, track->track_duration) : avio_wb32(pb, track->track_duration); /* duration */
1550  avio_wb16(pb, track->language); /* language */
1551  avio_wb16(pb, 0); /* reserved (quality) */
1552 
1553  if(version!=0 && track->mode == MODE_MOV){
1555  "FATAL error, file duration too long for timebase, this file will not be\n"
1556  "playable with quicktime. Choose a different timebase or a different\n"
1557  "container format\n");
1558  }
1559 
1560  return 32;
1561 }
1562 
1563 static int mov_write_mdia_tag(AVIOContext *pb, MOVTrack *track)
1564 {
1565  int64_t pos = avio_tell(pb);
1566  avio_wb32(pb, 0); /* size */
1567  ffio_wfourcc(pb, "mdia");
1568  mov_write_mdhd_tag(pb, track);
1569  mov_write_hdlr_tag(pb, track);
1570  mov_write_minf_tag(pb, track);
1571  return update_size(pb, pos);
1572 }
1573 
1574 /* transformation matrix
1575  |a b u|
1576  |c d v|
1577  |tx ty w| */
1578 static void write_matrix(AVIOContext *pb, int16_t a, int16_t b, int16_t c,
1579  int16_t d, int16_t tx, int16_t ty)
1580 {
1581  avio_wb32(pb, a << 16); /* 16.16 format */
1582  avio_wb32(pb, b << 16); /* 16.16 format */
1583  avio_wb32(pb, 0); /* u in 2.30 format */
1584  avio_wb32(pb, c << 16); /* 16.16 format */
1585  avio_wb32(pb, d << 16); /* 16.16 format */
1586  avio_wb32(pb, 0); /* v in 2.30 format */
1587  avio_wb32(pb, tx << 16); /* 16.16 format */
1588  avio_wb32(pb, ty << 16); /* 16.16 format */
1589  avio_wb32(pb, 1 << 30); /* w in 2.30 format */
1590 }
1591 
1592 static int mov_write_tkhd_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
1593 {
1595  track->timescale, AV_ROUND_UP);
1596  int version = duration < INT32_MAX ? 0 : 1;
1597  int rotation = 0;
1598 
1599  if (track->mode == MODE_ISM)
1600  version = 1;
1601 
1602  (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
1603  ffio_wfourcc(pb, "tkhd");
1604  avio_w8(pb, version);
1605  avio_wb24(pb, track->secondary ? 0x2 : 0xf); /* flags (first track enabled) */
1606  if (version == 1) {
1607  avio_wb64(pb, track->time);
1608  avio_wb64(pb, track->time);
1609  } else {
1610  avio_wb32(pb, track->time); /* creation time */
1611  avio_wb32(pb, track->time); /* modification time */
1612  }
1613  avio_wb32(pb, track->track_id); /* track-id */
1614  avio_wb32(pb, 0); /* reserved */
1615  if (!track->entry)
1616  (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
1617  else
1618  (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
1619 
1620  avio_wb32(pb, 0); /* reserved */
1621  avio_wb32(pb, 0); /* reserved */
1622  avio_wb16(pb, 0); /* layer */
1623  avio_wb16(pb, st ? st->codec->codec_type : 0); /* alternate group) */
1624  /* Volume, only for audio */
1625  if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
1626  avio_wb16(pb, 0x0100);
1627  else
1628  avio_wb16(pb, 0);
1629  avio_wb16(pb, 0); /* reserved */
1630 
1631  /* Matrix structure */
1632  if (st && st->metadata) {
1633  AVDictionaryEntry *rot = av_dict_get(st->metadata, "rotate", NULL, 0);
1634  rotation = (rot && rot->value) ? atoi(rot->value) : 0;
1635  }
1636  if (rotation == 90) {
1637  write_matrix(pb, 0, 1, -1, 0, track->enc->height, 0);
1638  } else if (rotation == 180) {
1639  write_matrix(pb, -1, 0, 0, -1, track->enc->width, track->enc->height);
1640  } else if (rotation == 270) {
1641  write_matrix(pb, 0, -1, 1, 0, 0, track->enc->width);
1642  } else {
1643  write_matrix(pb, 1, 0, 0, 1, 0, 0);
1644  }
1645  /* Track width and height, for visual only */
1646  if(st && (track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1647  track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
1648  if(track->mode == MODE_MOV) {
1649  avio_wb32(pb, track->enc->width << 16);
1650  avio_wb32(pb, track->height << 16);
1651  } else {
1652  double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1653  if(!sample_aspect_ratio || track->height != track->enc->height)
1654  sample_aspect_ratio = 1;
1655  avio_wb32(pb, sample_aspect_ratio * track->enc->width*0x10000);
1656  avio_wb32(pb, track->height*0x10000);
1657  }
1658  }
1659  else {
1660  avio_wb32(pb, 0);
1661  avio_wb32(pb, 0);
1662  }
1663  return 0x5c;
1664 }
1665 
1666 static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
1667 {
1669  track->enc->sample_aspect_ratio.den);
1670 
1671  int64_t pos = avio_tell(pb);
1672 
1673  avio_wb32(pb, 0); /* size */
1674  ffio_wfourcc(pb, "tapt");
1675 
1676  avio_wb32(pb, 20);
1677  ffio_wfourcc(pb, "clef");
1678  avio_wb32(pb, 0);
1679  avio_wb32(pb, width << 16);
1680  avio_wb32(pb, track->enc->height << 16);
1681 
1682  avio_wb32(pb, 20);
1683  ffio_wfourcc(pb, "prof");
1684  avio_wb32(pb, 0);
1685  avio_wb32(pb, width << 16);
1686  avio_wb32(pb, track->enc->height << 16);
1687 
1688  avio_wb32(pb, 20);
1689  ffio_wfourcc(pb, "enof");
1690  avio_wb32(pb, 0);
1691  avio_wb32(pb, track->enc->width << 16);
1692  avio_wb32(pb, track->enc->height << 16);
1693 
1694  return update_size(pb, pos);
1695 }
1696 
1697 // This box seems important for the psp playback ... without it the movie seems to hang
1698 static int mov_write_edts_tag(AVIOContext *pb, MOVTrack *track)
1699 {
1701  track->timescale, AV_ROUND_UP);
1702  int version = duration < INT32_MAX ? 0 : 1;
1703  int entry_size, entry_count, size;
1704  int64_t delay, start_ct = track->cluster[0].cts;
1705  delay = av_rescale_rnd(track->cluster[0].dts + start_ct, MOV_TIMESCALE,
1706  track->timescale, AV_ROUND_DOWN);
1707  version |= delay < INT32_MAX ? 0 : 1;
1708 
1709  entry_size = (version == 1) ? 20 : 12;
1710  entry_count = 1 + (delay > 0);
1711  size = 24 + entry_count * entry_size;
1712 
1713  /* write the atom data */
1714  avio_wb32(pb, size);
1715  ffio_wfourcc(pb, "edts");
1716  avio_wb32(pb, size - 8);
1717  ffio_wfourcc(pb, "elst");
1718  avio_w8(pb, version);
1719  avio_wb24(pb, 0); /* flags */
1720 
1721  avio_wb32(pb, entry_count);
1722  if (delay > 0) { /* add an empty edit to delay presentation */
1723  if (version == 1) {
1724  avio_wb64(pb, delay);
1725  avio_wb64(pb, -1);
1726  } else {
1727  avio_wb32(pb, delay);
1728  avio_wb32(pb, -1);
1729  }
1730  avio_wb32(pb, 0x00010000);
1731  } else {
1733  start_ct = -FFMIN(track->cluster[0].dts, 0); //FFMIN needed due to rounding
1734  duration += delay;
1735  }
1736 
1737  /* duration */
1738  if (version == 1) {
1739  avio_wb64(pb, duration);
1740  avio_wb64(pb, start_ct);
1741  } else {
1742  avio_wb32(pb, duration);
1743  avio_wb32(pb, start_ct);
1744  }
1745  avio_wb32(pb, 0x00010000);
1746  return size;
1747 }
1748 
1749 static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
1750 {
1751  avio_wb32(pb, 20); // size
1752  ffio_wfourcc(pb, "tref");
1753  avio_wb32(pb, 12); // size (subatom)
1754  avio_wl32(pb, track->tref_tag);
1755  avio_wb32(pb, track->tref_id);
1756  return 20;
1757 }
1758 
1759 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
1761 {
1762  avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
1763  ffio_wfourcc(pb, "uuid");
1764  ffio_wfourcc(pb, "USMT");
1765  avio_wb32(pb, 0x21d24fce);
1766  avio_wb32(pb, 0xbb88695c);
1767  avio_wb32(pb, 0xfac9c740);
1768  avio_wb32(pb, 0x1c); // another size here!
1769  ffio_wfourcc(pb, "MTDT");
1770  avio_wb32(pb, 0x00010012);
1771  avio_wb32(pb, 0x0a);
1772  avio_wb32(pb, 0x55c40000);
1773  avio_wb32(pb, 0x1);
1774  avio_wb32(pb, 0x0);
1775  return 0x34;
1776 }
1777 
1778 static int mov_write_udta_sdp(AVIOContext *pb, MOVTrack *track)
1779 {
1780 
1781  AVFormatContext *ctx = track->rtp_ctx;
1782  char buf[1000] = "";
1783  int len;
1784 
1785  ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0], track->src_track,
1786  NULL, NULL, 0, 0, ctx);
1787  av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", track->track_id);
1788  len = strlen(buf);
1789 
1790  avio_wb32(pb, len + 24);
1791  ffio_wfourcc(pb, "udta");
1792  avio_wb32(pb, len + 16);
1793  ffio_wfourcc(pb, "hnti");
1794  avio_wb32(pb, len + 8);
1795  ffio_wfourcc(pb, "sdp ");
1796  avio_write(pb, buf, len);
1797  return len + 24;
1798 }
1799 
1801  MOVTrack *track, AVStream *st)
1802 {
1803  int64_t pos = avio_tell(pb);
1804  avio_wb32(pb, 0); /* size */
1805  ffio_wfourcc(pb, "trak");
1806  mov_write_tkhd_tag(pb, track, st);
1807  if (supports_edts(mov))
1808  mov_write_edts_tag(pb, track); // PSP Movies and several other cases require edts box
1809  if (track->tref_tag)
1810  mov_write_tref_tag(pb, track);
1811  mov_write_mdia_tag(pb, track);
1812  if (track->mode == MODE_PSP)
1813  mov_write_uuid_tag_psp(pb,track); // PSP Movies require this uuid box
1814  if (track->tag == MKTAG('r','t','p',' '))
1815  mov_write_udta_sdp(pb, track);
1816  if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO && track->mode == MODE_MOV) {
1817  double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1818  if (st->sample_aspect_ratio.num && 1.0 != sample_aspect_ratio)
1819  mov_write_tapt_tag(pb, track);
1820  };
1821  return update_size(pb, pos);
1822 }
1823 
1825 {
1826  int i, has_audio = 0, has_video = 0;
1827  int64_t pos = avio_tell(pb);
1828  int audio_profile = mov->iods_audio_profile;
1829  int video_profile = mov->iods_video_profile;
1830  for (i = 0; i < mov->nb_streams; i++) {
1831  if(mov->tracks[i].entry > 0) {
1832  has_audio |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_AUDIO;
1833  has_video |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_VIDEO;
1834  }
1835  }
1836  if (audio_profile < 0)
1837  audio_profile = 0xFF - has_audio;
1838  if (video_profile < 0)
1839  video_profile = 0xFF - has_video;
1840  avio_wb32(pb, 0x0); /* size */
1841  ffio_wfourcc(pb, "iods");
1842  avio_wb32(pb, 0); /* version & flags */
1843  put_descr(pb, 0x10, 7);
1844  avio_wb16(pb, 0x004f);
1845  avio_w8(pb, 0xff);
1846  avio_w8(pb, 0xff);
1847  avio_w8(pb, audio_profile);
1848  avio_w8(pb, video_profile);
1849  avio_w8(pb, 0xff);
1850  return update_size(pb, pos);
1851 }
1852 
1853 static int mov_write_trex_tag(AVIOContext *pb, MOVTrack *track)
1854 {
1855  avio_wb32(pb, 0x20); /* size */
1856  ffio_wfourcc(pb, "trex");
1857  avio_wb32(pb, 0); /* version & flags */
1858  avio_wb32(pb, track->track_id); /* track ID */
1859  avio_wb32(pb, 1); /* default sample description index */
1860  avio_wb32(pb, 0); /* default sample duration */
1861  avio_wb32(pb, 0); /* default sample size */
1862  avio_wb32(pb, 0); /* default sample flags */
1863  return 0;
1864 }
1865 
1867 {
1868  int64_t pos = avio_tell(pb);
1869  int i;
1870  avio_wb32(pb, 0x0); /* size */
1871  ffio_wfourcc(pb, "mvex");
1872  for (i = 0; i < mov->nb_streams; i++)
1873  mov_write_trex_tag(pb, &mov->tracks[i]);
1874  return update_size(pb, pos);
1875 }
1876 
1878 {
1879  int max_track_id = 1, i;
1880  int64_t max_track_len_temp, max_track_len = 0;
1881  int version;
1882 
1883  for (i=0; i<mov->nb_streams; i++) {
1884  if(mov->tracks[i].entry > 0) {
1885  max_track_len_temp = av_rescale_rnd(mov->tracks[i].track_duration,
1886  MOV_TIMESCALE,
1887  mov->tracks[i].timescale,
1888  AV_ROUND_UP);
1889  if (max_track_len < max_track_len_temp)
1890  max_track_len = max_track_len_temp;
1891  if (max_track_id < mov->tracks[i].track_id)
1892  max_track_id = mov->tracks[i].track_id;
1893  }
1894  }
1895 
1896  version = max_track_len < UINT32_MAX ? 0 : 1;
1897  (version == 1) ? avio_wb32(pb, 120) : avio_wb32(pb, 108); /* size */
1898  ffio_wfourcc(pb, "mvhd");
1899  avio_w8(pb, version);
1900  avio_wb24(pb, 0); /* flags */
1901  if (version == 1) {
1902  avio_wb64(pb, mov->time);
1903  avio_wb64(pb, mov->time);
1904  } else {
1905  avio_wb32(pb, mov->time); /* creation time */
1906  avio_wb32(pb, mov->time); /* modification time */
1907  }
1908  avio_wb32(pb, MOV_TIMESCALE);
1909  (version == 1) ? avio_wb64(pb, max_track_len) : avio_wb32(pb, max_track_len); /* duration of longest track */
1910 
1911  avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
1912  avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
1913  avio_wb16(pb, 0); /* reserved */
1914  avio_wb32(pb, 0); /* reserved */
1915  avio_wb32(pb, 0); /* reserved */
1916 
1917  /* Matrix structure */
1918  write_matrix(pb, 1, 0, 0, 1, 0, 0);
1919 
1920  avio_wb32(pb, 0); /* reserved (preview time) */
1921  avio_wb32(pb, 0); /* reserved (preview duration) */
1922  avio_wb32(pb, 0); /* reserved (poster time) */
1923  avio_wb32(pb, 0); /* reserved (selection time) */
1924  avio_wb32(pb, 0); /* reserved (selection duration) */
1925  avio_wb32(pb, 0); /* reserved (current time) */
1926  avio_wb32(pb, max_track_id + 1); /* Next track id */
1927  return 0x6c;
1928 }
1929 
1931  AVFormatContext *s)
1932 {
1933  avio_wb32(pb, 33); /* size */
1934  ffio_wfourcc(pb, "hdlr");
1935  avio_wb32(pb, 0);
1936  avio_wb32(pb, 0);
1937  ffio_wfourcc(pb, "mdir");
1938  ffio_wfourcc(pb, "appl");
1939  avio_wb32(pb, 0);
1940  avio_wb32(pb, 0);
1941  avio_w8(pb, 0);
1942  return 33;
1943 }
1944 
1945 /* helper function to write a data tag with the specified string as data */
1946 static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
1947 {
1948  if(long_style){
1949  int size = 16 + strlen(data);
1950  avio_wb32(pb, size); /* size */
1951  ffio_wfourcc(pb, "data");
1952  avio_wb32(pb, 1);
1953  avio_wb32(pb, 0);
1954  avio_write(pb, data, strlen(data));
1955  return size;
1956  }else{
1957  if (!lang)
1958  lang = ff_mov_iso639_to_lang("und", 1);
1959  avio_wb16(pb, strlen(data)); /* string length */
1960  avio_wb16(pb, lang);
1961  avio_write(pb, data, strlen(data));
1962  return strlen(data) + 4;
1963  }
1964 }
1965 
1966 static int mov_write_string_tag(AVIOContext *pb, const char *name, const char *value, int lang, int long_style){
1967  int size = 0;
1968  if (value && value[0]) {
1969  int64_t pos = avio_tell(pb);
1970  avio_wb32(pb, 0); /* size */
1971  ffio_wfourcc(pb, name);
1972  mov_write_string_data_tag(pb, value, lang, long_style);
1973  size = update_size(pb, pos);
1974  }
1975  return size;
1976 }
1977 
1979  const char *name, const char *tag,
1980  int long_style)
1981 {
1982  int l, lang = 0, len, len2;
1983  AVDictionaryEntry *t, *t2 = NULL;
1984  char tag2[16];
1985 
1986  if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
1987  return 0;
1988 
1989  len = strlen(t->key);
1990  snprintf(tag2, sizeof(tag2), "%s-", tag);
1991  while ((t2 = av_dict_get(s->metadata, tag2, t2, AV_DICT_IGNORE_SUFFIX))) {
1992  len2 = strlen(t2->key);
1993  if (len2 == len+4 && !strcmp(t->value, t2->value)
1994  && (l=ff_mov_iso639_to_lang(&t2->key[len2-3], 1)) >= 0) {
1995  lang = l;
1996  break;
1997  }
1998  }
1999  return mov_write_string_tag(pb, name, t->value, lang, long_style);
2000 }
2001 
2002 /* iTunes bpm number */
2004 {
2005  AVDictionaryEntry *t = av_dict_get(s->metadata, "tmpo", NULL, 0);
2006  int size = 0, tmpo = t ? atoi(t->value) : 0;
2007  if (tmpo) {
2008  size = 26;
2009  avio_wb32(pb, size);
2010  ffio_wfourcc(pb, "tmpo");
2011  avio_wb32(pb, size-8); /* size */
2012  ffio_wfourcc(pb, "data");
2013  avio_wb32(pb, 0x15); //type specifier
2014  avio_wb32(pb, 0);
2015  avio_wb16(pb, tmpo); // data
2016  }
2017  return size;
2018 }
2019 
2020 /* iTunes track number */
2022  AVFormatContext *s)
2023 {
2024  AVDictionaryEntry *t = av_dict_get(s->metadata, "track", NULL, 0);
2025  int size = 0, track = t ? atoi(t->value) : 0;
2026  if (track) {
2027  avio_wb32(pb, 32); /* size */
2028  ffio_wfourcc(pb, "trkn");
2029  avio_wb32(pb, 24); /* size */
2030  ffio_wfourcc(pb, "data");
2031  avio_wb32(pb, 0); // 8 bytes empty
2032  avio_wb32(pb, 0);
2033  avio_wb16(pb, 0); // empty
2034  avio_wb16(pb, track); // track number
2035  avio_wb16(pb, 0); // total track number
2036  avio_wb16(pb, 0); // empty
2037  size = 32;
2038  }
2039  return size;
2040 }
2041 
2043  const char *name, const char *tag,
2044  int len)
2045 {
2047  uint8_t num;
2048 
2049  if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
2050  return 0;
2051  num = atoi(t->value);
2052 
2053  avio_wb32(pb, len+8);
2054  ffio_wfourcc(pb, name);
2055  if (len==4) avio_wb32(pb, num);
2056  else avio_w8 (pb, num);
2057  return len+8;
2058 }
2059 
2060 /* iTunes meta data list */
2062  AVFormatContext *s)
2063 {
2064  int64_t pos = avio_tell(pb);
2065  avio_wb32(pb, 0); /* size */
2066  ffio_wfourcc(pb, "ilst");
2067  mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
2068  mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
2069  mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
2070  mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
2071  mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
2072  mov_write_string_metadata(s, pb, "\251day", "date" , 1);
2073  mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
2074  mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
2075  mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
2076  mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1);
2077  mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
2078  mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
2079  mov_write_string_metadata(s, pb, "desc", "description",1);
2080  mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
2081  mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
2082  mov_write_string_metadata(s, pb, "tven", "episode_id",1);
2083  mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
2084  mov_write_int8_metadata (s, pb, "tves", "episode_sort",4);
2085  mov_write_int8_metadata (s, pb, "tvsn", "season_number",4);
2086  mov_write_int8_metadata (s, pb, "stik", "media_type",1);
2087  mov_write_int8_metadata (s, pb, "hdvd", "hd_video", 1);
2088  mov_write_int8_metadata (s, pb, "pgap", "gapless_playback",1);
2089  mov_write_trkn_tag(pb, mov, s);
2090  mov_write_tmpo_tag(pb, s);
2091  return update_size(pb, pos);
2092 }
2093 
2094 /* iTunes meta data tag */
2096  AVFormatContext *s)
2097 {
2098  int size = 0;
2099  int64_t pos = avio_tell(pb);
2100  avio_wb32(pb, 0); /* size */
2101  ffio_wfourcc(pb, "meta");
2102  avio_wb32(pb, 0);
2103  mov_write_itunes_hdlr_tag(pb, mov, s);
2104  mov_write_ilst_tag(pb, mov, s);
2105  size = update_size(pb, pos);
2106  return size;
2107 }
2108 
2109 static int utf8len(const uint8_t *b)
2110 {
2111  int len=0;
2112  int val;
2113  while(*b){
2114  GET_UTF8(val, *b++, return -1;)
2115  len++;
2116  }
2117  return len;
2118 }
2119 
2120 static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
2121 {
2122  int val;
2123  while(*b){
2124  GET_UTF8(val, *b++, return -1;)
2125  avio_wb16(pb, val);
2126  }
2127  avio_wb16(pb, 0x00);
2128  return 0;
2129 }
2130 
2131 static uint16_t language_code(const char *str)
2132 {
2133  return (((str[0]-0x60) & 0x1F) << 10) + (((str[1]-0x60) & 0x1F) << 5) + ((str[2]-0x60) & 0x1F);
2134 }
2135 
2137  const char *tag, const char *str)
2138 {
2139  int64_t pos = avio_tell(pb);
2140  AVDictionaryEntry *t = av_dict_get(s->metadata, str, NULL, 0);
2141  if (!t || !utf8len(t->value))
2142  return 0;
2143  avio_wb32(pb, 0); /* size */
2144  ffio_wfourcc(pb, tag); /* type */
2145  avio_wb32(pb, 0); /* version + flags */
2146  if (!strcmp(tag, "yrrc"))
2147  avio_wb16(pb, atoi(t->value));
2148  else {
2149  avio_wb16(pb, language_code("eng")); /* language */
2150  avio_write(pb, t->value, strlen(t->value)+1); /* UTF8 string value */
2151  if (!strcmp(tag, "albm") &&
2152  (t = av_dict_get(s->metadata, "track", NULL, 0)))
2153  avio_w8(pb, atoi(t->value));
2154  }
2155  return update_size(pb, pos);
2156 }
2157 
2159 {
2160  int64_t pos = avio_tell(pb);
2161  int i, nb_chapters = FFMIN(s->nb_chapters, 255);
2162 
2163  avio_wb32(pb, 0); // size
2164  ffio_wfourcc(pb, "chpl");
2165  avio_wb32(pb, 0x01000000); // version + flags
2166  avio_wb32(pb, 0); // unknown
2167  avio_w8(pb, nb_chapters);
2168 
2169  for (i = 0; i < nb_chapters; i++) {
2170  AVChapter *c = s->chapters[i];
2172  avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
2173 
2174  if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
2175  int len = FFMIN(strlen(t->value), 255);
2176  avio_w8(pb, len);
2177  avio_write(pb, t->value, len);
2178  } else
2179  avio_w8(pb, 0);
2180  }
2181  return update_size(pb, pos);
2182 }
2183 
2185  AVFormatContext *s)
2186 {
2187  AVIOContext *pb_buf;
2188  int i, ret, size;
2189  uint8_t *buf;
2190 
2191  for (i = 0; i < s->nb_streams; i++)
2192  if (mov->tracks[i].enc->flags & CODEC_FLAG_BITEXACT) {
2193  return 0;
2194  }
2195 
2196  ret = avio_open_dyn_buf(&pb_buf);
2197  if(ret < 0)
2198  return ret;
2199 
2200  if (mov->mode & MODE_3GP) {
2201  mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
2202  mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
2203  mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
2204  mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
2205  mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
2206  mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
2207  mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
2208  mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
2209  } else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
2210  mov_write_string_metadata(s, pb_buf, "\251ART", "artist" , 0);
2211  mov_write_string_metadata(s, pb_buf, "\251nam", "title" , 0);
2212  mov_write_string_metadata(s, pb_buf, "\251aut", "author" , 0);
2213  mov_write_string_metadata(s, pb_buf, "\251alb", "album" , 0);
2214  mov_write_string_metadata(s, pb_buf, "\251day", "date" , 0);
2215  mov_write_string_metadata(s, pb_buf, "\251swr", "encoder" , 0);
2216  // currently ignored by mov.c
2217  mov_write_string_metadata(s, pb_buf, "\251des", "comment" , 0);
2218  // add support for libquicktime, this atom is also actually read by mov.c
2219  mov_write_string_metadata(s, pb_buf, "\251cmt", "comment" , 0);
2220  mov_write_string_metadata(s, pb_buf, "\251gen", "genre" , 0);
2221  mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright" , 0);
2222  } else {
2223  /* iTunes meta data */
2224  mov_write_meta_tag(pb_buf, mov, s);
2225  }
2226 
2227  if (s->nb_chapters)
2228  mov_write_chpl_tag(pb_buf, s);
2229 
2230  if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
2231  avio_wb32(pb, size+8);
2232  ffio_wfourcc(pb, "udta");
2233  avio_write(pb, buf, size);
2234  }
2235  av_free(buf);
2236 
2237  return 0;
2238 }
2239 
2241  const char *str, const char *lang, int type)
2242 {
2243  int len = utf8len(str)+1;
2244  if(len<=0)
2245  return;
2246  avio_wb16(pb, len*2+10); /* size */
2247  avio_wb32(pb, type); /* type */
2248  avio_wb16(pb, language_code(lang)); /* language */
2249  avio_wb16(pb, 0x01); /* ? */
2250  ascii_to_wc(pb, str);
2251 }
2252 
2254 {
2255  AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0);
2256  int64_t pos, pos2;
2257 
2258  if (title) {
2259  pos = avio_tell(pb);
2260  avio_wb32(pb, 0); /* size placeholder*/
2261  ffio_wfourcc(pb, "uuid");
2262  ffio_wfourcc(pb, "USMT");
2263  avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
2264  avio_wb32(pb, 0xbb88695c);
2265  avio_wb32(pb, 0xfac9c740);
2266 
2267  pos2 = avio_tell(pb);
2268  avio_wb32(pb, 0); /* size placeholder*/
2269  ffio_wfourcc(pb, "MTDT");
2270  avio_wb16(pb, 4);
2271 
2272  // ?
2273  avio_wb16(pb, 0x0C); /* size */
2274  avio_wb32(pb, 0x0B); /* type */
2275  avio_wb16(pb, language_code("und")); /* language */
2276  avio_wb16(pb, 0x0); /* ? */
2277  avio_wb16(pb, 0x021C); /* data */
2278 
2279  mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
2280  mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
2281  mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
2282 
2283  update_size(pb, pos2);
2284  return update_size(pb, pos);
2285  }
2286 
2287  return 0;
2288 }
2289 
2290 static void build_chunks(MOVTrack *trk)
2291 {
2292  int i;
2293  MOVIentry *chunk= &trk->cluster[0];
2294  uint64_t chunkSize = chunk->size;
2295  chunk->chunkNum= 1;
2296  if (trk->chunkCount)
2297  return;
2298  trk->chunkCount= 1;
2299  for(i=1; i<trk->entry; i++){
2300  if(chunk->pos + chunkSize == trk->cluster[i].pos &&
2301  chunkSize + trk->cluster[i].size < (1<<20)){
2302  chunkSize += trk->cluster[i].size;
2303  chunk->samples_in_chunk += trk->cluster[i].entries;
2304  }else{
2305  trk->cluster[i].chunkNum = chunk->chunkNum+1;
2306  chunk=&trk->cluster[i];
2307  chunkSize = chunk->size;
2308  trk->chunkCount++;
2309  }
2310  }
2311 }
2312 
2314  AVFormatContext *s)
2315 {
2316  int i;
2317  int64_t pos = avio_tell(pb);
2318  int not_first[AVMEDIA_TYPE_NB]={0};
2319  avio_wb32(pb, 0); /* size placeholder*/
2320  ffio_wfourcc(pb, "moov");
2321 
2322  for (i=0; i<mov->nb_streams; i++) {
2323  if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
2324  continue;
2325 
2326  mov->tracks[i].time = mov->time;
2327  mov->tracks[i].track_id = i+1;
2328 
2329  if (mov->tracks[i].entry)
2330  build_chunks(&mov->tracks[i]);
2331  }
2332 
2333  if (mov->chapter_track)
2334  for (i=0; i<s->nb_streams; i++) {
2335  mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
2336  mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].track_id;
2337  }
2338  for (i = 0; i < mov->nb_streams; i++) {
2339  if (mov->tracks[i].tag == MKTAG('r','t','p',' ')) {
2340  mov->tracks[i].tref_tag = MKTAG('h','i','n','t');
2341  mov->tracks[i].tref_id =
2342  mov->tracks[mov->tracks[i].src_track].track_id;
2343  }
2344  }
2345  for (i = 0; i < mov->nb_streams; i++) {
2346  if (mov->tracks[i].tag == MKTAG('t','m','c','d')) {
2347  int src_trk = mov->tracks[i].src_track;
2348  mov->tracks[src_trk].tref_tag = mov->tracks[i].tag;
2349  mov->tracks[src_trk].tref_id = mov->tracks[i].track_id;
2350  mov->tracks[i].track_duration = mov->tracks[src_trk].track_duration;
2351  }
2352  }
2353 
2354  mov_write_mvhd_tag(pb, mov);
2355  if (mov->mode != MODE_MOV && !mov->iods_skip)
2356  mov_write_iods_tag(pb, mov);
2357  for (i=0; i<mov->nb_streams; i++) {
2358  if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_FRAGMENT) {
2359  if(i < s->nb_streams){
2360  int codec_type= s->streams[i]->codec->codec_type;
2361  if(codec_type==AVMEDIA_TYPE_AUDIO || codec_type==AVMEDIA_TYPE_SUBTITLE){
2362  mov->tracks[i].secondary= not_first[codec_type];
2363  not_first[codec_type]= 1;
2364  }
2365  }
2366  mov_write_trak_tag(pb, mov, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
2367  }
2368  }
2369  if (mov->flags & FF_MOV_FLAG_FRAGMENT)
2370  mov_write_mvex_tag(pb, mov); /* QuickTime requires trak to precede this */
2371 
2372  if (mov->mode == MODE_PSP)
2373  mov_write_uuidusmt_tag(pb, s);
2374  else
2375  mov_write_udta_tag(pb, mov, s);
2376 
2377  return update_size(pb, pos);
2378 }
2379 
2380 static void param_write_int(AVIOContext *pb, const char *name, int value)
2381 {
2382  avio_printf(pb, "<param name=\"%s\" value=\"%d\" valuetype=\"data\"/>\n", name, value);
2383 }
2384 
2385 static void param_write_string(AVIOContext *pb, const char *name, const char *value)
2386 {
2387  avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, value);
2388 }
2389 
2390 static void param_write_hex(AVIOContext *pb, const char *name, const uint8_t *value, int len)
2391 {
2392  char buf[150];
2393  len = FFMIN(sizeof(buf)/2 - 1, len);
2394  ff_data_to_hex(buf, value, len, 0);
2395  buf[2*len] = '\0';
2396  avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, buf);
2397 }
2398 
2400 {
2401  int64_t pos = avio_tell(pb);
2402  int i;
2403  const uint8_t uuid[] = {
2404  0xa5, 0xd4, 0x0b, 0x30, 0xe8, 0x14, 0x11, 0xdd,
2405  0xba, 0x2f, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66
2406  };
2407 
2408  avio_wb32(pb, 0);
2409  ffio_wfourcc(pb, "uuid");
2410  avio_write(pb, uuid, sizeof(uuid));
2411  avio_wb32(pb, 0);
2412 
2413  avio_printf(pb, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
2414  avio_printf(pb, "<smil xmlns=\"http://www.w3.org/2001/SMIL20/Language\">\n");
2415  avio_printf(pb, "<head>\n");
2416  avio_printf(pb, "<meta name=\"creator\" content=\"%s\" />\n",
2418  avio_printf(pb, "</head>\n");
2419  avio_printf(pb, "<body>\n");
2420  avio_printf(pb, "<switch>\n");
2421  for (i = 0; i < mov->nb_streams; i++) {
2422  MOVTrack *track = &mov->tracks[i];
2423  const char *type;
2424  /* track->track_id is initialized in write_moov, and thus isn't known
2425  * here yet */
2426  int track_id = i + 1;
2427 
2428  if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2429  type = "video";
2430  } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
2431  type = "audio";
2432  } else {
2433  continue;
2434  }
2435  avio_printf(pb, "<%s systemBitrate=\"%d\">\n", type,
2436  track->enc->bit_rate);
2437  param_write_int(pb, "systemBitrate", track->enc->bit_rate);
2438  param_write_int(pb, "trackID", track_id);
2439  if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2440  if (track->enc->codec_id == AV_CODEC_ID_H264) {
2441  uint8_t *ptr;
2442  int size = track->enc->extradata_size;
2443  if (!ff_avc_write_annexb_extradata(track->enc->extradata, &ptr,
2444  &size)) {
2445  param_write_hex(pb, "CodecPrivateData",
2446  ptr ? ptr : track->enc->extradata,
2447  size);
2448  av_free(ptr);
2449  }
2450  param_write_string(pb, "FourCC", "H264");
2451  } else if (track->enc->codec_id == AV_CODEC_ID_VC1) {
2452  param_write_string(pb, "FourCC", "WVC1");
2453  param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
2454  track->enc->extradata_size);
2455  }
2456  param_write_int(pb, "MaxWidth", track->enc->width);
2457  param_write_int(pb, "MaxHeight", track->enc->height);
2458  param_write_int(pb, "DisplayWidth", track->enc->width);
2459  param_write_int(pb, "DisplayHeight", track->enc->height);
2460  } else {
2461  if (track->enc->codec_id == AV_CODEC_ID_AAC) {
2462  param_write_string(pb, "FourCC", "AACL");
2463  } else if (track->enc->codec_id == AV_CODEC_ID_WMAPRO) {
2464  param_write_string(pb, "FourCC", "WMAP");
2465  }
2466  param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
2467  track->enc->extradata_size);
2469  track->enc->codec_id));
2470  param_write_int(pb, "Channels", track->enc->channels);
2471  param_write_int(pb, "SamplingRate", track->enc->sample_rate);
2472  param_write_int(pb, "BitsPerSample", 16);
2473  param_write_int(pb, "PacketSize", track->enc->block_align ?
2474  track->enc->block_align : 4);
2475  }
2476  avio_printf(pb, "</%s>\n", type);
2477  }
2478  avio_printf(pb, "</switch>\n");
2479  avio_printf(pb, "</body>\n");
2480  avio_printf(pb, "</smil>\n");
2481 
2482  return update_size(pb, pos);
2483 }
2484 
2486 {
2487  avio_wb32(pb, 16);
2488  ffio_wfourcc(pb, "mfhd");
2489  avio_wb32(pb, 0);
2490  avio_wb32(pb, mov->fragments);
2491  return 0;
2492 }
2493 
2494 static int mov_write_tfhd_tag(AVIOContext *pb, MOVTrack *track,
2495  int64_t moof_offset)
2496 {
2497  int64_t pos = avio_tell(pb);
2500  if (!track->entry) {
2501  flags |= MOV_TFHD_DURATION_IS_EMPTY;
2502  } else {
2503  flags |= MOV_TFHD_DEFAULT_FLAGS;
2504  }
2505 
2506  /* Don't set a default sample size, the silverlight player refuses
2507  * to play files with that set. Don't set a default sample duration,
2508  * WMP freaks out if it is set. */
2509  if (track->mode == MODE_ISM)
2511 
2512  avio_wb32(pb, 0); /* size placeholder */
2513  ffio_wfourcc(pb, "tfhd");
2514  avio_w8(pb, 0); /* version */
2515  avio_wb24(pb, flags);
2516 
2517  avio_wb32(pb, track->track_id); /* track-id */
2518  if (flags & MOV_TFHD_BASE_DATA_OFFSET)
2519  avio_wb64(pb, moof_offset);
2520  if (flags & MOV_TFHD_DEFAULT_DURATION) {
2521  track->default_duration = get_cluster_duration(track, 0);
2522  avio_wb32(pb, track->default_duration);
2523  }
2524  if (flags & MOV_TFHD_DEFAULT_SIZE) {
2525  track->default_size = track->entry ? track->cluster[0].size : 1;
2526  avio_wb32(pb, track->default_size);
2527  } else
2528  track->default_size = -1;
2529 
2530  if (flags & MOV_TFHD_DEFAULT_FLAGS) {
2531  track->default_sample_flags =
2532  track->enc->codec_type == AVMEDIA_TYPE_VIDEO ?
2535  avio_wb32(pb, track->default_sample_flags);
2536  }
2537 
2538  return update_size(pb, pos);
2539 }
2540 
2541 static uint32_t get_sample_flags(MOVTrack *track, MOVIentry *entry)
2542 {
2545 }
2546 
2547 static int mov_write_trun_tag(AVIOContext *pb, MOVTrack *track)
2548 {
2549  int64_t pos = avio_tell(pb);
2550  uint32_t flags = MOV_TRUN_DATA_OFFSET;
2551  int i;
2552 
2553  for (i = 0; i < track->entry; i++) {
2554  if (get_cluster_duration(track, i) != track->default_duration)
2555  flags |= MOV_TRUN_SAMPLE_DURATION;
2556  if (track->cluster[i].size != track->default_size)
2557  flags |= MOV_TRUN_SAMPLE_SIZE;
2558  if (i > 0 && get_sample_flags(track, &track->cluster[i]) != track->default_sample_flags)
2559  flags |= MOV_TRUN_SAMPLE_FLAGS;
2560  }
2561  if (!(flags & MOV_TRUN_SAMPLE_FLAGS))
2562  flags |= MOV_TRUN_FIRST_SAMPLE_FLAGS;
2563  if (track->flags & MOV_TRACK_CTTS)
2564  flags |= MOV_TRUN_SAMPLE_CTS;
2565 
2566  avio_wb32(pb, 0); /* size placeholder */
2567  ffio_wfourcc(pb, "trun");
2568  avio_w8(pb, 0); /* version */
2569  avio_wb24(pb, flags);
2570 
2571  avio_wb32(pb, track->entry); /* sample count */
2572  track->moof_size_offset = avio_tell(pb);
2573  avio_wb32(pb, 0); /* data offset */
2574  if (flags & MOV_TRUN_FIRST_SAMPLE_FLAGS)
2575  avio_wb32(pb, get_sample_flags(track, &track->cluster[0]));
2576 
2577  for (i = 0; i < track->entry; i++) {
2578  if (flags & MOV_TRUN_SAMPLE_DURATION)
2579  avio_wb32(pb, get_cluster_duration(track, i));
2580  if (flags & MOV_TRUN_SAMPLE_SIZE)
2581  avio_wb32(pb, track->cluster[i].size);
2582  if (flags & MOV_TRUN_SAMPLE_FLAGS)
2583  avio_wb32(pb, get_sample_flags(track, &track->cluster[i]));
2584  if (flags & MOV_TRUN_SAMPLE_CTS)
2585  avio_wb32(pb, track->cluster[i].cts);
2586  }
2587 
2588  return update_size(pb, pos);
2589 }
2590 
2591 static int mov_write_tfxd_tag(AVIOContext *pb, MOVTrack *track)
2592 {
2593  int64_t pos = avio_tell(pb);
2594  const uint8_t uuid[] = {
2595  0x6d, 0x1d, 0x9b, 0x05, 0x42, 0xd5, 0x44, 0xe6,
2596  0x80, 0xe2, 0x14, 0x1d, 0xaf, 0xf7, 0x57, 0xb2
2597  };
2598 
2599  avio_wb32(pb, 0); /* size placeholder */
2600  ffio_wfourcc(pb, "uuid");
2601  avio_write(pb, uuid, sizeof(uuid));
2602  avio_w8(pb, 1);
2603  avio_wb24(pb, 0);
2604  avio_wb64(pb, track->frag_start);
2605  avio_wb64(pb, track->start_dts + track->track_duration -
2606  track->cluster[0].dts);
2607 
2608  return update_size(pb, pos);
2609 }
2610 
2612  MOVTrack *track, int entry)
2613 {
2614  int n = track->nb_frag_info - 1 - entry, i;
2615  int size = 8 + 16 + 4 + 1 + 16*n;
2616  const uint8_t uuid[] = {
2617  0xd4, 0x80, 0x7e, 0xf2, 0xca, 0x39, 0x46, 0x95,
2618  0x8e, 0x54, 0x26, 0xcb, 0x9e, 0x46, 0xa7, 0x9f
2619  };
2620 
2621  if (entry < 0)
2622  return 0;
2623 
2624  avio_seek(pb, track->frag_info[entry].tfrf_offset, SEEK_SET);
2625  avio_wb32(pb, size);
2626  ffio_wfourcc(pb, "uuid");
2627  avio_write(pb, uuid, sizeof(uuid));
2628  avio_w8(pb, 1);
2629  avio_wb24(pb, 0);
2630  avio_w8(pb, n);
2631  for (i = 0; i < n; i++) {
2632  int index = entry + 1 + i;
2633  avio_wb64(pb, track->frag_info[index].time);
2634  avio_wb64(pb, track->frag_info[index].duration);
2635  }
2636  if (n < mov->ism_lookahead) {
2637  int free_size = 16*(mov->ism_lookahead - n);
2638  avio_wb32(pb, free_size);
2639  ffio_wfourcc(pb, "free");
2640  for (i = 0; i < free_size - 8; i++)
2641  avio_w8(pb, 0);
2642  }
2643 
2644  return 0;
2645 }
2646 
2648  MOVTrack *track)
2649 {
2650  int64_t pos = avio_tell(pb);
2651  int i;
2652  for (i = 0; i < mov->ism_lookahead; i++) {
2653  /* Update the tfrf tag for the last ism_lookahead fragments,
2654  * nb_frag_info - 1 is the next fragment to be written. */
2655  mov_write_tfrf_tag(pb, mov, track, track->nb_frag_info - 2 - i);
2656  }
2657  avio_seek(pb, pos, SEEK_SET);
2658  return 0;
2659 }
2660 
2662  MOVTrack *track, int64_t moof_offset)
2663 {
2664  int64_t pos = avio_tell(pb);
2665  avio_wb32(pb, 0); /* size placeholder */
2666  ffio_wfourcc(pb, "traf");
2667 
2668  mov_write_tfhd_tag(pb, track, moof_offset);
2669  mov_write_trun_tag(pb, track);
2670  if (mov->mode == MODE_ISM) {
2671  mov_write_tfxd_tag(pb, track);
2672 
2673  if (mov->ism_lookahead) {
2674  int i, size = 16 + 4 + 1 + 16*mov->ism_lookahead;
2675 
2676  track->tfrf_offset = avio_tell(pb);
2677  avio_wb32(pb, 8 + size);
2678  ffio_wfourcc(pb, "free");
2679  for (i = 0; i < size; i++)
2680  avio_w8(pb, 0);
2681  }
2682  }
2683 
2684  return update_size(pb, pos);
2685 }
2686 
2687 static int mov_write_moof_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks)
2688 {
2689  int64_t pos = avio_tell(pb), end;
2690  int i, moof_size;
2691 
2692  avio_wb32(pb, 0); /* size placeholder */
2693  ffio_wfourcc(pb, "moof");
2694 
2695  mov_write_mfhd_tag(pb, mov);
2696  for (i = 0; i < mov->nb_streams; i++) {
2697  MOVTrack *track = &mov->tracks[i];
2698  if (tracks >= 0 && i != tracks)
2699  continue;
2700  if (!track->entry)
2701  continue;
2702  mov_write_traf_tag(pb, mov, track, pos);
2703  }
2704 
2705  end = avio_tell(pb);
2706  moof_size = end - pos;
2707  for (i = 0; i < mov->nb_streams; i++) {
2708  MOVTrack *track = &mov->tracks[i];
2709  if (tracks >= 0 && i != tracks)
2710  continue;
2711  if (!track->entry)
2712  continue;
2713  avio_seek(pb, mov->tracks[i].moof_size_offset, SEEK_SET);
2714  avio_wb32(pb, moof_size + 8 + mov->tracks[i].data_offset);
2715  }
2716  avio_seek(pb, end, SEEK_SET);
2717 
2718  return update_size(pb, pos);
2719 }
2720 
2721 static int mov_write_tfra_tag(AVIOContext *pb, MOVTrack *track)
2722 {
2723  int64_t pos = avio_tell(pb);
2724  int i;
2725 
2726  avio_wb32(pb, 0); /* size placeholder */
2727  ffio_wfourcc(pb, "tfra");
2728  avio_w8(pb, 1); /* version */
2729  avio_wb24(pb, 0);
2730 
2731  avio_wb32(pb, track->track_id);
2732  avio_wb32(pb, 0); /* length of traf/trun/sample num */
2733  avio_wb32(pb, track->nb_frag_info);
2734  for (i = 0; i < track->nb_frag_info; i++) {
2735  avio_wb64(pb, track->frag_info[i].time);
2736  avio_wb64(pb, track->frag_info[i].offset);
2737  avio_w8(pb, 1); /* traf number */
2738  avio_w8(pb, 1); /* trun number */
2739  avio_w8(pb, 1); /* sample number */
2740  }
2741 
2742  return update_size(pb, pos);
2743 }
2744 
2746 {
2747  int64_t pos = avio_tell(pb);
2748  int i;
2749 
2750  avio_wb32(pb, 0); /* size placeholder */
2751  ffio_wfourcc(pb, "mfra");
2752  /* An empty mfra atom is enough to indicate to the publishing point that
2753  * the stream has ended. */
2754  if (mov->flags & FF_MOV_FLAG_ISML)
2755  return update_size(pb, pos);
2756 
2757  for (i = 0; i < mov->nb_streams; i++) {
2758  MOVTrack *track = &mov->tracks[i];
2759  if (track->nb_frag_info)
2760  mov_write_tfra_tag(pb, track);
2761  }
2762 
2763  avio_wb32(pb, 16);
2764  ffio_wfourcc(pb, "mfro");
2765  avio_wb32(pb, 0); /* version + flags */
2766  avio_wb32(pb, avio_tell(pb) + 4 - pos);
2767 
2768  return update_size(pb, pos);
2769 }
2770 
2772 {
2773  avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
2774  ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
2775 
2776  mov->mdat_pos = avio_tell(pb);
2777  avio_wb32(pb, 0); /* size placeholder*/
2778  ffio_wfourcc(pb, "mdat");
2779  return 0;
2780 }
2781 
2782 /* TODO: This needs to be more general */
2784 {
2785  MOVMuxContext *mov = s->priv_data;
2786  int64_t pos = avio_tell(pb);
2787  int has_h264 = 0, has_video = 0;
2788  int minor = 0x200;
2789  int i;
2790 
2791  for (i = 0; i < s->nb_streams; i++) {
2792  AVStream *st = s->streams[i];
2793  if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
2794  has_video = 1;
2795  if (st->codec->codec_id == AV_CODEC_ID_H264)
2796  has_h264 = 1;
2797  }
2798 
2799  avio_wb32(pb, 0); /* size */
2800  ffio_wfourcc(pb, "ftyp");
2801 
2802  if (mov->mode == MODE_3GP) {
2803  ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
2804  minor = has_h264 ? 0x100 : 0x200;
2805  } else if (mov->mode & MODE_3G2) {
2806  ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
2807  minor = has_h264 ? 0x20000 : 0x10000;
2808  }else if (mov->mode == MODE_PSP)
2809  ffio_wfourcc(pb, "MSNV");
2810  else if (mov->mode == MODE_MP4)
2811  ffio_wfourcc(pb, "isom");
2812  else if (mov->mode == MODE_IPOD)
2813  ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
2814  else if (mov->mode == MODE_ISM)
2815  ffio_wfourcc(pb, "isml");
2816  else if (mov->mode == MODE_F4V)
2817  ffio_wfourcc(pb, "f4v ");
2818  else
2819  ffio_wfourcc(pb, "qt ");
2820 
2821  avio_wb32(pb, minor);
2822 
2823  if(mov->mode == MODE_MOV)
2824  ffio_wfourcc(pb, "qt ");
2825  else if (mov->mode == MODE_ISM) {
2826  ffio_wfourcc(pb, "piff");
2827  ffio_wfourcc(pb, "iso2");
2828  } else {
2829  ffio_wfourcc(pb, "isom");
2830  ffio_wfourcc(pb, "iso2");
2831  if(has_h264)
2832  ffio_wfourcc(pb, "avc1");
2833  }
2834 
2835  if (mov->mode == MODE_3GP)
2836  ffio_wfourcc(pb, has_h264 ? "3gp6":"3gp4");
2837  else if (mov->mode & MODE_3G2)
2838  ffio_wfourcc(pb, has_h264 ? "3g2b":"3g2a");
2839  else if (mov->mode == MODE_PSP)
2840  ffio_wfourcc(pb, "MSNV");
2841  else if (mov->mode == MODE_MP4)
2842  ffio_wfourcc(pb, "mp41");
2843  return update_size(pb, pos);
2844 }
2845 
2847 {
2848  AVCodecContext *video_codec = s->streams[0]->codec;
2849  AVCodecContext *audio_codec = s->streams[1]->codec;
2850  int audio_rate = audio_codec->sample_rate;
2851  int frame_rate = ((video_codec->time_base.den) * (0x10000))/ (video_codec->time_base.num);
2852  int audio_kbitrate = audio_codec->bit_rate / 1000;
2853  int video_kbitrate = FFMIN(video_codec->bit_rate / 1000, 800 - audio_kbitrate);
2854 
2855  avio_wb32(pb, 0x94); /* size */
2856  ffio_wfourcc(pb, "uuid");
2857  ffio_wfourcc(pb, "PROF");
2858 
2859  avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
2860  avio_wb32(pb, 0xbb88695c);
2861  avio_wb32(pb, 0xfac9c740);
2862 
2863  avio_wb32(pb, 0x0); /* ? */
2864  avio_wb32(pb, 0x3); /* 3 sections ? */
2865 
2866  avio_wb32(pb, 0x14); /* size */
2867  ffio_wfourcc(pb, "FPRF");
2868  avio_wb32(pb, 0x0); /* ? */
2869  avio_wb32(pb, 0x0); /* ? */
2870  avio_wb32(pb, 0x0); /* ? */
2871 
2872  avio_wb32(pb, 0x2c); /* size */
2873  ffio_wfourcc(pb, "APRF");/* audio */
2874  avio_wb32(pb, 0x0);
2875  avio_wb32(pb, 0x2); /* TrackID */
2876  ffio_wfourcc(pb, "mp4a");
2877  avio_wb32(pb, 0x20f);
2878  avio_wb32(pb, 0x0);
2879  avio_wb32(pb, audio_kbitrate);
2880  avio_wb32(pb, audio_kbitrate);
2881  avio_wb32(pb, audio_rate);
2882  avio_wb32(pb, audio_codec->channels);
2883 
2884  avio_wb32(pb, 0x34); /* size */
2885  ffio_wfourcc(pb, "VPRF"); /* video */
2886  avio_wb32(pb, 0x0);
2887  avio_wb32(pb, 0x1); /* TrackID */
2888  if (video_codec->codec_id == AV_CODEC_ID_H264) {
2889  ffio_wfourcc(pb, "avc1");
2890  avio_wb16(pb, 0x014D);
2891  avio_wb16(pb, 0x0015);
2892  } else {
2893  ffio_wfourcc(pb, "mp4v");
2894  avio_wb16(pb, 0x0000);
2895  avio_wb16(pb, 0x0103);
2896  }
2897  avio_wb32(pb, 0x0);
2898  avio_wb32(pb, video_kbitrate);
2899  avio_wb32(pb, video_kbitrate);
2900  avio_wb32(pb, frame_rate);
2901  avio_wb32(pb, frame_rate);
2902  avio_wb16(pb, video_codec->width);
2903  avio_wb16(pb, video_codec->height);
2904  avio_wb32(pb, 0x010001); /* ? */
2905 }
2906 
2907 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
2908 {
2909  uint32_t c = -1;
2910  int i, closed_gop = 0;
2911 
2912  for (i = 0; i < pkt->size - 4; i++) {
2913  c = (c<<8) + pkt->data[i];
2914  if (c == 0x1b8) { // gop
2915  closed_gop = pkt->data[i+4]>>6 & 0x01;
2916  } else if (c == 0x100) { // pic
2917  int temp_ref = (pkt->data[i+1]<<2) | (pkt->data[i+2]>>6);
2918  if (!temp_ref || closed_gop) // I picture is not reordered
2919  *flags = MOV_SYNC_SAMPLE;
2920  else
2921  *flags = MOV_PARTIAL_SYNC_SAMPLE;
2922  break;
2923  }
2924  }
2925  return 0;
2926 }
2927 
2928 static void mov_parse_vc1_frame(AVPacket *pkt, MOVTrack *trk, int fragment)
2929 {
2930  const uint8_t *start, *next, *end = pkt->data + pkt->size;
2931  int seq = 0, entry = 0;
2932  int key = pkt->flags & AV_PKT_FLAG_KEY;
2933  start = find_next_marker(pkt->data, end);
2934  for (next = start; next < end; start = next) {
2935  next = find_next_marker(start + 4, end);
2936  switch (AV_RB32(start)) {
2937  case VC1_CODE_SEQHDR:
2938  seq = 1;
2939  break;
2940  case VC1_CODE_ENTRYPOINT:
2941  entry = 1;
2942  break;
2943  case VC1_CODE_SLICE:
2944  trk->vc1_info.slices = 1;
2945  break;
2946  }
2947  }
2948  if (!trk->entry && !fragment) {
2949  /* First packet in first fragment */
2950  trk->vc1_info.first_packet_seq = seq;
2951  trk->vc1_info.first_packet_entry = entry;
2952  } else if ((seq && !trk->vc1_info.packet_seq) ||
2953  (entry && !trk->vc1_info.packet_entry)) {
2954  int i;
2955  for (i = 0; i < trk->entry; i++)
2956  trk->cluster[i].flags &= ~MOV_SYNC_SAMPLE;
2957  trk->has_keyframes = 0;
2958  if (seq)
2959  trk->vc1_info.packet_seq = 1;
2960  if (entry)
2961  trk->vc1_info.packet_entry = 1;
2962  if (!fragment) {
2963  /* First fragment */
2964  if ((!seq || trk->vc1_info.first_packet_seq) &&
2965  (!entry || trk->vc1_info.first_packet_entry)) {
2966  /* First packet had the same headers as this one, readd the
2967  * sync sample flag. */
2968  trk->cluster[0].flags |= MOV_SYNC_SAMPLE;
2969  trk->has_keyframes = 1;
2970  }
2971  }
2972  }
2973  if (trk->vc1_info.packet_seq && trk->vc1_info.packet_entry)
2974  key = seq && entry;
2975  else if (trk->vc1_info.packet_seq)
2976  key = seq;
2977  else if (trk->vc1_info.packet_entry)
2978  key = entry;
2979  if (key) {
2980  trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
2981  trk->has_keyframes++;
2982  }
2983 }
2984 
2986 {
2987  int ret;
2988  uint8_t *buf;
2989  AVIOContext *moov_buf;
2990  MOVMuxContext *mov = s->priv_data;
2991 
2992  if ((ret = avio_open_dyn_buf(&moov_buf)) < 0)
2993  return ret;
2994  mov_write_moov_tag(moov_buf, mov, s);
2995  ret = avio_close_dyn_buf(moov_buf, &buf);
2996  av_free(buf);
2997  return ret;
2998 }
2999 
3001 {
3002  MOVMuxContext *mov = s->priv_data;
3003  int i, first_track = -1;
3004  int64_t mdat_size = 0;
3005 
3006  if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
3007  return 0;
3008 
3009  if (!(mov->flags & FF_MOV_FLAG_EMPTY_MOOV) && mov->fragments == 0) {
3010  int64_t pos = avio_tell(s->pb);
3011  uint8_t *buf;
3012  int buf_size, moov_size;
3013 
3014  for (i = 0; i < mov->nb_streams; i++)
3015  if (!mov->tracks[i].entry)
3016  break;
3017  /* Don't write the initial moov unless all tracks have data */
3018  if (i < mov->nb_streams)
3019  return 0;
3020 
3021  moov_size = get_moov_size(s);
3022  for (i = 0; i < mov->nb_streams; i++)
3023  mov->tracks[i].data_offset = pos + moov_size + 8;
3024 
3025  mov_write_moov_tag(s->pb, mov, s);
3026 
3027  buf_size = avio_close_dyn_buf(mov->mdat_buf, &buf);
3028  mov->mdat_buf = NULL;
3029  avio_wb32(s->pb, buf_size + 8);
3030  ffio_wfourcc(s->pb, "mdat");
3031  avio_write(s->pb, buf, buf_size);
3032  av_free(buf);
3033 
3034  mov->fragments++;
3035  mov->mdat_size = 0;
3036  for (i = 0; i < mov->nb_streams; i++) {
3037  if (mov->tracks[i].entry)
3038  mov->tracks[i].frag_start += mov->tracks[i].start_dts +
3039  mov->tracks[i].track_duration -
3040  mov->tracks[i].cluster[0].dts;
3041  mov->tracks[i].entry = 0;
3042  }
3043  avio_flush(s->pb);
3044  return 0;
3045  }
3046 
3047  for (i = 0; i < mov->nb_streams; i++) {
3048  MOVTrack *track = &mov->tracks[i];
3049  if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF)
3050  track->data_offset = 0;
3051  else
3052  track->data_offset = mdat_size;
3053  if (!track->mdat_buf)
3054  continue;
3055  mdat_size += avio_tell(track->mdat_buf);
3056  if (first_track < 0)
3057  first_track = i;
3058  }
3059 
3060  if (!mdat_size)
3061  return 0;
3062 
3063  for (i = 0; i < mov->nb_streams; i++) {
3064  MOVTrack *track = &mov->tracks[i];
3065  int buf_size, write_moof = 1, moof_tracks = -1;
3066  uint8_t *buf;
3067  int64_t duration = 0;
3068 
3069  if (track->entry)
3070  duration = track->start_dts + track->track_duration -
3071  track->cluster[0].dts;
3072  if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) {
3073  if (!track->mdat_buf)
3074  continue;
3075  mdat_size = avio_tell(track->mdat_buf);
3076  moof_tracks = i;
3077  } else {
3078  write_moof = i == first_track;
3079  }
3080 
3081  if (write_moof) {
3082  MOVFragmentInfo *info;
3083  avio_flush(s->pb);
3084  track->nb_frag_info++;
3085  track->frag_info = av_realloc(track->frag_info,
3086  sizeof(*track->frag_info) *
3087  track->nb_frag_info);
3088  info = &track->frag_info[track->nb_frag_info - 1];
3089  info->offset = avio_tell(s->pb);
3090  info->time = mov->tracks[i].frag_start;
3091  info->duration = duration;
3092  mov_write_tfrf_tags(s->pb, mov, track);
3093 
3094  mov_write_moof_tag(s->pb, mov, moof_tracks);
3095  info->tfrf_offset = track->tfrf_offset;
3096  mov->fragments++;
3097 
3098  avio_wb32(s->pb, mdat_size + 8);
3099  ffio_wfourcc(s->pb, "mdat");
3100  }
3101 
3102  if (track->entry)
3103  track->frag_start += duration;
3104  track->entry = 0;
3105  if (!track->mdat_buf)
3106  continue;
3107  buf_size = avio_close_dyn_buf(track->mdat_buf, &buf);
3108  track->mdat_buf = NULL;
3109 
3110  avio_write(s->pb, buf, buf_size);
3111  av_free(buf);
3112  }
3113 
3114  mov->mdat_size = 0;
3115 
3116  avio_flush(s->pb);
3117  return 0;
3118 }
3119 
3121 {
3122  MOVMuxContext *mov = s->priv_data;
3123  AVIOContext *pb = s->pb;
3124  MOVTrack *trk = &mov->tracks[pkt->stream_index];
3125  AVCodecContext *enc = trk->enc;
3126  unsigned int samples_in_chunk = 0;
3127  int size= pkt->size;
3128  uint8_t *reformatted_data = NULL;
3129 
3130  if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
3131  int ret;
3132  if (mov->fragments > 0) {
3133  if (!trk->mdat_buf) {
3134  if ((ret = avio_open_dyn_buf(&trk->mdat_buf)) < 0)
3135  return ret;
3136  }
3137  pb = trk->mdat_buf;
3138  } else {
3139  if (!mov->mdat_buf) {
3140  if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
3141  return ret;
3142  }
3143  pb = mov->mdat_buf;
3144  }
3145  }
3146 
3147  if (enc->codec_id == AV_CODEC_ID_AMR_NB) {
3148  /* We must find out how many AMR blocks there are in one packet */
3149  static uint16_t packed_size[16] =
3150  {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 1};
3151  int len = 0;
3152 
3153  while (len < size && samples_in_chunk < 100) {
3154  len += packed_size[(pkt->data[len] >> 3) & 0x0F];
3155  samples_in_chunk++;
3156  }
3157  if (samples_in_chunk > 1) {
3158  av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
3159  return -1;
3160  }
3161  } else if (enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
3163  samples_in_chunk = enc->frame_size;
3164  } else if (trk->sample_size)
3165  samples_in_chunk = size / trk->sample_size;
3166  else
3167  samples_in_chunk = 1;
3168 
3169  /* copy extradata if it exists */
3170  if (trk->vos_len == 0 && enc->extradata_size > 0) {
3171  trk->vos_len = enc->extradata_size;
3172  trk->vos_data = av_malloc(trk->vos_len);
3173  memcpy(trk->vos_data, enc->extradata, trk->vos_len);
3174  }
3175 
3176  if (enc->codec_id == AV_CODEC_ID_AAC && pkt->size > 2 &&
3177  (AV_RB16(pkt->data) & 0xfff0) == 0xfff0) {
3178  if (!s->streams[pkt->stream_index]->nb_frames) {
3179  av_log(s, AV_LOG_ERROR, "malformated aac bitstream, use -absf aac_adtstoasc\n");
3180  return -1;
3181  }
3182  av_log(s, AV_LOG_WARNING, "aac bitstream error\n");
3183  }
3184  if (enc->codec_id == AV_CODEC_ID_H264 && trk->vos_len > 0 && *(uint8_t *)trk->vos_data != 1) {
3185  /* from x264 or from bytestream h264 */
3186  /* nal reformating needed */
3187  if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
3188  ff_avc_parse_nal_units_buf(pkt->data, &reformatted_data,
3189  &size);
3190  avio_write(pb, reformatted_data, size);
3191  } else {
3192  size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
3193  }
3194  } else {
3195  avio_write(pb, pkt->data, size);
3196  }
3197 
3198  if ((enc->codec_id == AV_CODEC_ID_DNXHD ||
3199  enc->codec_id == AV_CODEC_ID_AC3) && !trk->vos_len) {
3200  /* copy frame to create needed atoms */
3201  trk->vos_len = size;
3202  trk->vos_data = av_malloc(size);
3203  if (!trk->vos_data)
3204  return AVERROR(ENOMEM);
3205  memcpy(trk->vos_data, pkt->data, size);
3206  }
3207 
3208  if (!(trk->entry % MOV_INDEX_CLUSTER_SIZE)) {
3209  trk->cluster = av_realloc_f(trk->cluster, sizeof(*trk->cluster), (trk->entry + MOV_INDEX_CLUSTER_SIZE));
3210  if (!trk->cluster)
3211  return -1;
3212  }
3213 
3214  trk->cluster[trk->entry].pos = avio_tell(pb) - size;
3215  trk->cluster[trk->entry].samples_in_chunk = samples_in_chunk;
3216  trk->cluster[trk->entry].chunkNum = 0;
3217  trk->cluster[trk->entry].size = size;
3218  trk->cluster[trk->entry].entries = samples_in_chunk;
3219  trk->cluster[trk->entry].dts = pkt->dts;
3220  if (!trk->entry && trk->start_dts != AV_NOPTS_VALUE) {
3221  /* First packet of a new fragment. We already wrote the duration
3222  * of the last packet of the previous fragment based on track_duration,
3223  * which might not exactly match our dts. Therefore adjust the dts
3224  * of this packet to be what the previous packets duration implies. */
3225  trk->cluster[trk->entry].dts = trk->start_dts + trk->track_duration;
3226  }
3227  if (!trk->entry && trk->start_dts == AV_NOPTS_VALUE && !supports_edts(mov)) {
3228  trk->cluster[trk->entry].dts = trk->start_dts = 0;
3229  }
3230  if (trk->start_dts == AV_NOPTS_VALUE)
3231  trk->start_dts = pkt->dts;
3232  trk->track_duration = pkt->dts - trk->start_dts + pkt->duration;
3233  trk->last_sample_is_subtitle_end = 0;
3234 
3235  if (pkt->pts == AV_NOPTS_VALUE) {
3236  av_log(s, AV_LOG_WARNING, "pts has no value\n");
3237  pkt->pts = pkt->dts;
3238  }
3239  if (pkt->dts != pkt->pts)
3240  trk->flags |= MOV_TRACK_CTTS;
3241  trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
3242  trk->cluster[trk->entry].flags = 0;
3243  if (enc->codec_id == AV_CODEC_ID_VC1) {
3244  mov_parse_vc1_frame(pkt, trk, mov->fragments);
3245  } else if (pkt->flags & AV_PKT_FLAG_KEY) {
3246  if (mov->mode == MODE_MOV && enc->codec_id == AV_CODEC_ID_MPEG2VIDEO &&
3247  trk->entry > 0) { // force sync sample for the first key frame
3248  mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
3249  if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
3250  trk->flags |= MOV_TRACK_STPS;
3251  } else {
3252  trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
3253  }
3254  if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
3255  trk->has_keyframes++;
3256  }
3257  trk->entry++;
3258  trk->sample_count += samples_in_chunk;
3259  mov->mdat_size += size;
3260 
3261  avio_flush(pb);
3262 
3263  if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
3264  ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry,
3265  reformatted_data, size);
3266  av_free(reformatted_data);
3267  return 0;
3268 }
3269 
3271 {
3272  MOVMuxContext *mov = s->priv_data;
3273  MOVTrack *trk = &mov->tracks[pkt->stream_index];
3274  AVCodecContext *enc = trk->enc;
3275  int64_t frag_duration = 0;
3276  int size = pkt->size;
3277 
3278  if (!pkt->size) return 0; /* Discard 0 sized packets */
3279 
3280  if (trk->entry && pkt->stream_index < s->nb_streams)
3281  frag_duration = av_rescale_q(pkt->dts - trk->cluster[0].dts,
3282  s->streams[pkt->stream_index]->time_base,
3283  AV_TIME_BASE_Q);
3284  if ((mov->max_fragment_duration &&
3285  frag_duration >= mov->max_fragment_duration) ||
3286  (mov->max_fragment_size && mov->mdat_size + size >= mov->max_fragment_size) ||
3287  (mov->flags & FF_MOV_FLAG_FRAG_KEYFRAME &&
3288  enc->codec_type == AVMEDIA_TYPE_VIDEO &&
3289  trk->entry && pkt->flags & AV_PKT_FLAG_KEY)) {
3290  if (frag_duration >= mov->min_fragment_duration)
3291  mov_flush_fragment(s);
3292  }
3293 
3294  return ff_mov_write_packet(s, pkt);
3295 }
3296 
3298  int stream_index,
3299  int64_t dts) {
3300  AVPacket end;
3301  uint8_t data[2] = {0};
3302  int ret;
3303 
3304  av_init_packet(&end);
3305  end.size = sizeof(data);
3306  end.data = data;
3307  end.pts = dts;
3308  end.dts = dts;
3309  end.duration = 0;
3310  end.stream_index = stream_index;
3311 
3312  ret = mov_write_single_packet(s, &end);
3313  av_free_packet(&end);
3314 
3315  return ret;
3316 }
3317 
3319 {
3320  if (!pkt) {
3321  mov_flush_fragment(s);
3322  return 1;
3323  } else {
3324  int i;
3325  MOVMuxContext *mov = s->priv_data;
3326 
3327  if (!pkt->size) return 0; /* Discard 0 sized packets */
3328 
3329  /*
3330  * Subtitles require special handling.
3331  *
3332  * 1) For full complaince, every track must have a sample at
3333  * dts == 0, which is rarely true for subtitles. So, as soon
3334  * as we see any packet with dts > 0, write an empty subtitle
3335  * at dts == 0 for any subtitle track with no samples in it.
3336  *
3337  * 2) For each subtitle track, check if the current packet's
3338  * dts is past the duration of the last subtitle sample. If
3339  * so, we now need to write an end sample for that subtitle.
3340  *
3341  * This must be done conditionally to allow for subtitles that
3342  * immediately replace each other, in which case an end sample
3343  * is not needed, and is, in fact, actively harmful.
3344  *
3345  * 3) See mov_write_trailer for how the final end sample is
3346  * handled.
3347  */
3348  for (i = 0; i < mov->nb_streams; i++) {
3349  MOVTrack *trk = &mov->tracks[i];
3350  int ret;
3351 
3352  if (trk->enc->codec_id == AV_CODEC_ID_MOV_TEXT &&
3353  trk->track_duration < pkt->dts &&
3354  (trk->entry == 0 || !trk->last_sample_is_subtitle_end)) {
3356  if (ret < 0) return ret;
3357  trk->last_sample_is_subtitle_end = 1;
3358  }
3359  }
3360 
3361  return mov_write_single_packet(s, pkt);
3362  }
3363 }
3364 
3365 // QuickTime chapters involve an additional text track with the chapter names
3366 // as samples, and a tref pointing from the other tracks to the chapter one.
3367 static void mov_create_chapter_track(AVFormatContext *s, int tracknum)
3368 {
3369  AVIOContext *pb;
3370 
3371  MOVMuxContext *mov = s->priv_data;
3372  MOVTrack *track = &mov->tracks[tracknum];
3373  AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
3374  int i, len;
3375 
3376  track->mode = mov->mode;
3377  track->tag = MKTAG('t','e','x','t');
3378  track->timescale = MOV_TIMESCALE;
3379  track->enc = avcodec_alloc_context3(NULL);
3381 
3382  if (avio_open_dyn_buf(&pb) >= 0) {
3383  int size;
3384  uint8_t *buf;
3385 
3386  /* Stub header (usually for Quicktime chapter track) */
3387  // TextSampleEntry
3388  avio_wb32(pb, 0x01); // displayFlags
3389  avio_w8(pb, 0x00); // horizontal justification
3390  avio_w8(pb, 0x00); // vertical justification
3391  avio_w8(pb, 0x00); // bgColourRed
3392  avio_w8(pb, 0x00); // bgColourGreen
3393  avio_w8(pb, 0x00); // bgColourBlue
3394  avio_w8(pb, 0x00); // bgColourAlpha
3395  // BoxRecord
3396  avio_wb16(pb, 0x00); // defTextBoxTop
3397  avio_wb16(pb, 0x00); // defTextBoxLeft
3398  avio_wb16(pb, 0x00); // defTextBoxBottom
3399  avio_wb16(pb, 0x00); // defTextBoxRight
3400  // StyleRecord
3401  avio_wb16(pb, 0x00); // startChar
3402  avio_wb16(pb, 0x00); // endChar
3403  avio_wb16(pb, 0x01); // fontID
3404  avio_w8(pb, 0x00); // fontStyleFlags
3405  avio_w8(pb, 0x00); // fontSize
3406  avio_w8(pb, 0x00); // fgColourRed
3407  avio_w8(pb, 0x00); // fgColourGreen
3408  avio_w8(pb, 0x00); // fgColourBlue
3409  avio_w8(pb, 0x00); // fgColourAlpha
3410  // FontTableBox
3411  avio_wb32(pb, 0x0D); // box size
3412  ffio_wfourcc(pb, "ftab"); // box atom name
3413  avio_wb16(pb, 0x01); // entry count
3414  // FontRecord
3415  avio_wb16(pb, 0x01); // font ID
3416  avio_w8(pb, 0x00); // font name length
3417 
3418  if ((size = avio_close_dyn_buf(pb, &buf)) > 0) {
3419  track->enc->extradata = buf;
3420  track->enc->extradata_size = size;
3421  } else {
3422  av_free(&buf);
3423  }
3424  }
3425 
3426  for (i = 0; i < s->nb_chapters; i++) {
3427  AVChapter *c = s->chapters[i];
3429 
3430  int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
3431  pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
3432  pkt.duration = end - pkt.dts;
3433 
3434  if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
3435  len = strlen(t->value);
3436  pkt.size = len+2;
3437  pkt.data = av_malloc(pkt.size);
3438  AV_WB16(pkt.data, len);
3439  memcpy(pkt.data+2, t->value, len);
3440  ff_mov_write_packet(s, &pkt);
3441  av_freep(&pkt.data);
3442  }
3443  }
3444 }
3445 
3446 static int mov_create_timecode_track(AVFormatContext *s, int index, int src_index, const char *tcstr)
3447 {
3448  int ret;
3449  MOVMuxContext *mov = s->priv_data;
3450  MOVTrack *track = &mov->tracks[index];
3451  AVStream *src_st = s->streams[src_index];
3452  AVTimecode tc;
3453  AVPacket pkt = {.stream_index = index, .flags = AV_PKT_FLAG_KEY, .size = 4};
3454  AVRational rate = {src_st->codec->time_base.den, src_st->codec->time_base.num};
3455 
3456  /* if the codec time base makes no sense, try to fallback on stream frame rate */
3457  if (av_timecode_check_frame_rate(rate) < 0) {
3458  av_log(s, AV_LOG_DEBUG, "timecode: tbc=%d/%d invalid, fallback on %d/%d\n",
3459  rate.num, rate.den, src_st->avg_frame_rate.num, src_st->avg_frame_rate.den);
3460  rate = src_st->avg_frame_rate;
3461  }
3462 
3463  /* compute the frame number */
3464  ret = av_timecode_init_from_string(&tc, rate, tcstr, s);
3465  if (ret < 0)
3466  return ret;
3467 
3468  /* tmcd track based on video stream */
3469  track->mode = mov->mode;
3470  track->tag = MKTAG('t','m','c','d');
3471  track->src_track = src_index;
3472  track->timescale = mov->tracks[src_index].timescale;
3475 
3476  /* encode context: tmcd data stream */
3477  track->enc = avcodec_alloc_context3(NULL);
3478  track->enc->codec_type = AVMEDIA_TYPE_DATA;
3479  track->enc->codec_tag = track->tag;
3480  track->enc->time_base = src_st->codec->time_base;
3481 
3482  /* the tmcd track just contains one packet with the frame number */
3483  pkt.data = av_malloc(pkt.size);
3484  AV_WB32(pkt.data, tc.start);
3485  ret = ff_mov_write_packet(s, &pkt);
3486  av_free(pkt.data);
3487  return ret;
3488 }
3489 
3491 {
3492  AVIOContext *pb = s->pb;
3493  MOVMuxContext *mov = s->priv_data;
3494  AVDictionaryEntry *t, *global_tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
3495  int i, hint_track = 0, tmcd_track = 0;
3496 
3497  /* Set the FRAGMENT flag if any of the fragmentation methods are
3498  * enabled. */
3499  if (mov->max_fragment_duration || mov->max_fragment_size ||
3500  mov->flags & (FF_MOV_FLAG_EMPTY_MOOV |
3503  mov->flags |= FF_MOV_FLAG_FRAGMENT;
3504 
3505  /* faststart: moov at the beginning of the file, if supported */
3506  if (mov->flags & FF_MOV_FLAG_FASTSTART) {
3507  if (mov->flags & FF_MOV_FLAG_FRAGMENT)
3508  mov->flags &= ~FF_MOV_FLAG_FASTSTART;
3509  else
3510  mov->reserved_moov_size = -1;
3511  }
3512 
3513  if (!supports_edts(mov) && s->avoid_negative_ts < 0) {
3514  s->avoid_negative_ts = 1;
3515  }
3516 
3517  /* Non-seekable output is ok if using fragmentation. If ism_lookahead
3518  * is enabled, we don't support non-seekable output at all. */
3519  if (!s->pb->seekable &&
3520  ((!(mov->flags & FF_MOV_FLAG_FRAGMENT) &&
3521  !(s->oformat && !strcmp(s->oformat->name, "ismv")))
3522  || mov->ism_lookahead)) {
3523  av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
3524  return -1;
3525  }
3526 
3527  /* Default mode == MP4 */
3528  mov->mode = MODE_MP4;
3529 
3530  if (s->oformat != NULL) {
3531  if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
3532  else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
3533  else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
3534  else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
3535  else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
3536  else if (!strcmp("ismv",s->oformat->name)) mov->mode = MODE_ISM;
3537  else if (!strcmp("f4v", s->oformat->name)) mov->mode = MODE_F4V;
3538 
3539  mov_write_ftyp_tag(pb,s);
3540  if (mov->mode == MODE_PSP) {
3541  if (s->nb_streams != 2) {
3542  av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
3543  return -1;
3544  }
3545  mov_write_uuidprof_tag(pb,s);
3546  }
3547  }
3548 
3549  mov->nb_streams = s->nb_streams;
3550  if (mov->mode & (MODE_MOV|MODE_IPOD) && s->nb_chapters)
3551  mov->chapter_track = mov->nb_streams++;
3552 
3553  if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
3554  /* Add hint tracks for each audio and video stream */
3555  hint_track = mov->nb_streams;
3556  for (i = 0; i < s->nb_streams; i++) {
3557  AVStream *st = s->streams[i];
3558  if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
3560  mov->nb_streams++;
3561  }
3562  }
3563  }
3564 
3565  if (mov->mode == MODE_MOV) {
3566  tmcd_track = mov->nb_streams;
3567 
3568  /* +1 tmcd track for each video stream with a timecode */
3569  for (i = 0; i < s->nb_streams; i++) {
3570  AVStream *st = s->streams[i];
3571  if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
3572  (global_tcr || av_dict_get(st->metadata, "timecode", NULL, 0)))
3573  mov->nb_meta_tmcd++;
3574  }
3575 
3576  /* check if there is already a tmcd track to remux */
3577  if (mov->nb_meta_tmcd) {
3578  for (i = 0; i < s->nb_streams; i++) {
3579  AVStream *st = s->streams[i];
3580  if (st->codec->codec_tag == MKTAG('t','m','c','d')) {
3581  av_log(s, AV_LOG_WARNING, "You requested a copy of the original timecode track "
3582  "so timecode metadata are now ignored\n");
3583  mov->nb_meta_tmcd = 0;
3584  }
3585  }
3586  }
3587 
3588  mov->nb_streams += mov->nb_meta_tmcd;
3589  }
3590 
3591  mov->tracks = av_mallocz(mov->nb_streams*sizeof(*mov->tracks));
3592  if (!mov->tracks)
3593  return AVERROR(ENOMEM);
3594 
3595  for(i=0; i<s->nb_streams; i++){
3596  AVStream *st= s->streams[i];
3597  MOVTrack *track= &mov->tracks[i];
3598  AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
3599 
3600  track->enc = st->codec;
3601  track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
3602  if (track->language < 0)
3603  track->language = 0;
3604  track->mode = mov->mode;
3605  track->tag = mov_find_codec_tag(s, track);
3606  if (!track->tag) {
3607  av_log(s, AV_LOG_ERROR, "track %d: could not find tag, "
3608  "codec not currently supported in container\n", i);
3609  goto error;
3610  }
3611  /* If hinting of this track is enabled by a later hint track,
3612  * this is updated. */
3613  track->hint_track = -1;
3614  track->start_dts = AV_NOPTS_VALUE;
3615  if(st->codec->codec_type == AVMEDIA_TYPE_VIDEO){
3616  if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
3617  track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
3618  track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
3619  if (st->codec->width != 720 || (st->codec->height != 608 && st->codec->height != 512)) {
3620  av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
3621  goto error;
3622  }
3623  track->height = track->tag>>24 == 'n' ? 486 : 576;
3624  }
3625  track->timescale = st->codec->time_base.den;
3626  while(track->timescale < 10000)
3627  track->timescale *= 2;
3628  if (track->mode == MODE_MOV && track->timescale > 100000)
3630  "WARNING codec timebase is very high. If duration is too long,\n"
3631  "file may not be playable by quicktime. Specify a shorter timebase\n"
3632  "or choose different container.\n");
3633  }else if(st->codec->codec_type == AVMEDIA_TYPE_AUDIO){
3634  track->timescale = st->codec->sample_rate;
3635  if(!st->codec->frame_size && !av_get_bits_per_sample(st->codec->codec_id)) {
3636  av_log(s, AV_LOG_WARNING, "track %d: codec frame size is not set\n", i);
3637  track->audio_vbr = 1;
3638  }else if(st->codec->codec_id == AV_CODEC_ID_ADPCM_MS ||
3640  st->codec->codec_id == AV_CODEC_ID_ILBC){
3641  if (!st->codec->block_align) {
3642  av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set for adpcm\n", i);
3643  goto error;
3644  }
3645  track->sample_size = st->codec->block_align;
3646  }else if(st->codec->frame_size > 1){ /* assume compressed audio */
3647  track->audio_vbr = 1;
3648  }else{
3649  track->sample_size = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels;
3650  }
3651  if (track->mode != MODE_MOV &&
3652  track->enc->codec_id == AV_CODEC_ID_MP3 && track->timescale < 16000) {
3653  av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n",
3654  i, track->enc->sample_rate);
3655  goto error;
3656  }
3657  }else if(st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE){
3658  track->timescale = st->codec->time_base.den;
3659  }else{
3660  track->timescale = MOV_TIMESCALE;
3661  }
3662  if (!track->height)
3663  track->height = st->codec->height;
3664  /* The ism specific timescale isn't mandatory, but is assumed by
3665  * some tools, such as mp4split. */
3666  if (mov->mode == MODE_ISM)
3667  track->timescale = 10000000;
3668 
3669  avpriv_set_pts_info(st, 64, 1, track->timescale);
3670 
3671  /* copy extradata if it exists */
3672  if (st->codec->extradata_size) {
3673  track->vos_len = st->codec->extradata_size;
3674  track->vos_data = av_malloc(track->vos_len);
3675  memcpy(track->vos_data, st->codec->extradata, track->vos_len);
3676  }
3677  }
3678 
3679  if (mov->mode == MODE_ISM) {
3680  /* If no fragmentation options have been set, set a default. */
3681  if (!(mov->flags & (FF_MOV_FLAG_FRAG_KEYFRAME |
3684  mov->max_fragment_duration = 5000000;
3687  }
3688 
3689  if(mov->reserved_moov_size){
3690  mov->reserved_moov_pos= avio_tell(pb);
3691  if (mov->reserved_moov_size > 0)
3692  avio_skip(pb, mov->reserved_moov_size);
3693  }
3694 
3695  if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
3696  mov_write_mdat_tag(pb, mov);
3697 
3698  if (t = av_dict_get(s->metadata, "creation_time", NULL, 0))
3699  mov->time = ff_iso8601_to_unix_time(t->value);
3700  if (mov->time)
3701  mov->time += 0x7C25B080; // 1970 based -> 1904 based
3702 
3703  if (mov->chapter_track)
3705 
3706  if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
3707  /* Initialize the hint tracks for each audio and video stream */
3708  for (i = 0; i < s->nb_streams; i++) {
3709  AVStream *st = s->streams[i];
3710  if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
3712  ff_mov_init_hinting(s, hint_track, i);
3713  hint_track++;
3714  }
3715  }
3716  }
3717 
3718  if (mov->nb_meta_tmcd) {
3719  /* Initialize the tmcd tracks */
3720  for (i = 0; i < s->nb_streams; i++) {
3721  AVStream *st = s->streams[i];
3722  t = global_tcr;
3723 
3724  if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
3725  if (!t)
3726  t = av_dict_get(st->metadata, "timecode", NULL, 0);
3727  if (!t)
3728  continue;
3729  if (mov_create_timecode_track(s, tmcd_track, i, t->value) < 0)
3730  goto error;
3731  tmcd_track++;
3732  }
3733  }
3734  }
3735 
3736  avio_flush(pb);
3737 
3738  if (mov->flags & FF_MOV_FLAG_ISML)
3739  mov_write_isml_manifest(pb, mov);
3740 
3741  if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
3742  mov_write_moov_tag(pb, mov, s);
3743  mov->fragments++;
3744  }
3745 
3746  return 0;
3747  error:
3748  av_freep(&mov->tracks);
3749  return -1;
3750 }
3751 
3752 /**
3753  * This function gets the moov size if moved to the top of the file: the chunk
3754  * offset table can switch between stco (32-bit entries) to co64 (64-bit
3755  * entries) when the moov is moved to the top, so the size of the moov would
3756  * change. It also updates the chunk offset tables.
3757  */
3759 {
3760  int i, moov_size, moov_size2;
3761  MOVMuxContext *mov = s->priv_data;
3762 
3763  moov_size = get_moov_size(s);
3764  if (moov_size < 0)
3765  return moov_size;
3766 
3767  for (i = 0; i < mov->nb_streams; i++)
3768  mov->tracks[i].data_offset += moov_size;
3769 
3770  moov_size2 = get_moov_size(s);
3771  if (moov_size2 < 0)
3772  return moov_size2;
3773 
3774  /* if the size changed, we just switched from stco to co64 and needs to
3775  * update the offsets */
3776  if (moov_size2 != moov_size)
3777  for (i = 0; i < mov->nb_streams; i++)
3778  mov->tracks[i].data_offset += moov_size2 - moov_size;
3779 
3780  return moov_size2;
3781 }
3782 
3784 {
3785  int ret = 0, moov_size;
3786  MOVMuxContext *mov = s->priv_data;
3787  int64_t pos, pos_end = avio_tell(s->pb);
3788  uint8_t *buf, *read_buf[2];
3789  int read_buf_id = 0;
3790  int read_size[2];
3791  AVIOContext *read_pb;
3792 
3793  moov_size = compute_moov_size(s);
3794  if (moov_size < 0)
3795  return moov_size;
3796 
3797  buf = av_malloc(moov_size * 2);
3798  if (!buf)
3799  return AVERROR(ENOMEM);
3800  read_buf[0] = buf;
3801  read_buf[1] = buf + moov_size;
3802 
3803  /* Shift the data: the AVIO context of the output can only be used for
3804  * writing, so we re-open the same output, but for reading. It also avoids
3805  * a read/seek/write/seek back and forth. */
3806  avio_flush(s->pb);
3807  ret = avio_open(&read_pb, s->filename, AVIO_FLAG_READ);
3808  if (ret < 0) {
3809  av_log(s, AV_LOG_ERROR, "Unable to re-open %s output file for "
3810  "the second pass (faststart)\n", s->filename);
3811  goto end;
3812  }
3813 
3814  /* mark the end of the shift to up to the last data we wrote, and get ready
3815  * for writing */
3816  pos_end = avio_tell(s->pb);
3817  avio_seek(s->pb, mov->reserved_moov_pos + moov_size, SEEK_SET);
3818 
3819  /* start reading at where the new moov will be placed */
3820  avio_seek(read_pb, mov->reserved_moov_pos, SEEK_SET);
3821  pos = avio_tell(read_pb);
3822 
3823 #define READ_BLOCK do { \
3824  read_size[read_buf_id] = avio_read(read_pb, read_buf[read_buf_id], moov_size); \
3825  read_buf_id ^= 1; \
3826 } while (0)
3827 
3828  /* shift data by chunk of at most moov_size */
3829  READ_BLOCK;
3830  do {
3831  int n;
3832  READ_BLOCK;
3833  n = read_size[read_buf_id];
3834  if (n <= 0)
3835  break;
3836  avio_write(s->pb, read_buf[read_buf_id], n);
3837  pos += n;
3838  } while (pos < pos_end);
3839  avio_close(read_pb);
3840 
3841 end:
3842  av_free(buf);
3843  return ret;
3844 }
3845 
3847 {
3848  MOVMuxContext *mov = s->priv_data;
3849  AVIOContext *pb = s->pb;
3850  int64_t moov_pos;
3851  int res = 0;
3852  int i;
3853 
3854  /*
3855  * Before actually writing the trailer, make sure that there are no
3856  * dangling subtitles, that need a terminating sample.
3857  */
3858  for (i = 0; i < mov->nb_streams; i++) {
3859  MOVTrack *trk = &mov->tracks[i];
3860  if (trk->enc->codec_id == AV_CODEC_ID_MOV_TEXT &&
3863  trk->last_sample_is_subtitle_end = 1;
3864  }
3865  }
3866 
3867  moov_pos = avio_tell(pb);
3868 
3869  if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
3870  /* Write size of mdat tag */
3871  if (mov->mdat_size + 8 <= UINT32_MAX) {
3872  avio_seek(pb, mov->mdat_pos, SEEK_SET);
3873  avio_wb32(pb, mov->mdat_size + 8);
3874  } else {
3875  /* overwrite 'wide' placeholder atom */
3876  avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
3877  /* special value: real atom size will be 64 bit value after
3878  * tag field */
3879  avio_wb32(pb, 1);
3880  ffio_wfourcc(pb, "mdat");
3881  avio_wb64(pb, mov->mdat_size + 16);
3882  }
3883  avio_seek(pb, mov->reserved_moov_size > 0 ? mov->reserved_moov_pos : moov_pos, SEEK_SET);
3884 
3885  if (mov->reserved_moov_size == -1) {
3886  av_log(s, AV_LOG_INFO, "Starting second pass: moving header on top of the file\n");
3887  res = shift_data(s);
3888  if (res == 0) {
3889  avio_seek(s->pb, mov->reserved_moov_pos, SEEK_SET);
3890  mov_write_moov_tag(pb, mov, s);
3891  }
3892  } else if (mov->reserved_moov_size > 0) {
3893  int64_t size;
3894  mov_write_moov_tag(pb, mov, s);
3895  size = mov->reserved_moov_size - (avio_tell(pb) - mov->reserved_moov_pos);
3896  if(size < 8){
3897  av_log(s, AV_LOG_ERROR, "reserved_moov_size is too small, needed %"PRId64" additional\n", 8-size);
3898  return -1;
3899  }
3900  avio_wb32(pb, size);
3901  ffio_wfourcc(pb, "free");
3902  for(i=0; i<size; i++)
3903  avio_w8(pb, 0);
3904  avio_seek(pb, moov_pos, SEEK_SET);
3905  } else {
3906  mov_write_moov_tag(pb, mov, s);
3907  }
3908  } else {
3909  mov_flush_fragment(s);
3910  mov_write_mfra_tag(pb, mov);
3911  }
3912 
3913  if (mov->chapter_track)
3914  av_freep(&mov->tracks[mov->chapter_track].enc);
3915 
3916  for (i=0; i<mov->nb_streams; i++) {
3917  if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
3918  ff_mov_close_hinting(&mov->tracks[i]);
3919  else if (mov->tracks[i].tag == MKTAG('t','m','c','d') && mov->nb_meta_tmcd)
3920  av_freep(&mov->tracks[i].enc);
3921  if (mov->flags & FF_MOV_FLAG_FRAGMENT &&
3922  mov->tracks[i].vc1_info.struct_offset && s->pb->seekable) {
3923  int64_t off = avio_tell(pb);
3924  uint8_t buf[7];
3925  if (mov_write_dvc1_structs(&mov->tracks[i], buf) >= 0) {
3926  avio_seek(pb, mov->tracks[i].vc1_info.struct_offset, SEEK_SET);
3927  avio_write(pb, buf, 7);
3928  avio_seek(pb, off, SEEK_SET);
3929  }
3930  }
3931  av_freep(&mov->tracks[i].cluster);
3932  av_freep(&mov->tracks[i].frag_info);
3933 
3934  if (mov->tracks[i].vos_len)
3935  av_free(mov->tracks[i].vos_data);
3936 
3937  }
3938 
3939  av_freep(&mov->tracks);
3940 
3941  return res;
3942 }
3943 
3944 #if CONFIG_MOV_MUXER
3945 MOV_CLASS(mov)
3946 AVOutputFormat ff_mov_muxer = {
3947  .name = "mov",
3948  .long_name = NULL_IF_CONFIG_SMALL("QuickTime / MOV"),
3949  .extensions = "mov",
3950  .priv_data_size = sizeof(MOVMuxContext),
3951  .audio_codec = AV_CODEC_ID_AAC,
3952  .video_codec = CONFIG_LIBX264_ENCODER ?
3958  .codec_tag = (const AVCodecTag* const []){
3960  },
3961  .priv_class = &mov_muxer_class,
3962 };
3963 #endif
3964 #if CONFIG_TGP_MUXER
3965 MOV_CLASS(tgp)
3966 AVOutputFormat ff_tgp_muxer = {
3967  .name = "3gp",
3968  .long_name = NULL_IF_CONFIG_SMALL("3GP (3GPP file format)"),
3969  .extensions = "3gp",
3970  .priv_data_size = sizeof(MOVMuxContext),
3971  .audio_codec = AV_CODEC_ID_AMR_NB,
3972  .video_codec = AV_CODEC_ID_H263,
3977  .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
3978  .priv_class = &tgp_muxer_class,
3979 };
3980 #endif
3981 #if CONFIG_MP4_MUXER
3982 MOV_CLASS(mp4)
3983 AVOutputFormat ff_mp4_muxer = {
3984  .name = "mp4",
3985  .long_name = NULL_IF_CONFIG_SMALL("MP4 (MPEG-4 Part 14)"),
3986  .mime_type = "application/mp4",
3987  .extensions = "mp4",
3988  .priv_data_size = sizeof(MOVMuxContext),
3989  .audio_codec = AV_CODEC_ID_AAC,
3990  .video_codec = CONFIG_LIBX264_ENCODER ?
3991  AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
3996  .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
3997  .priv_class = &mp4_muxer_class,
3998 };
3999 #endif
4000 #if CONFIG_PSP_MUXER
4001 MOV_CLASS(psp)
4002 AVOutputFormat ff_psp_muxer = {
4003  .name = "psp",
4004  .long_name = NULL_IF_CONFIG_SMALL("PSP MP4 (MPEG-4 Part 14)"),
4005  .extensions = "mp4,psp",
4006  .priv_data_size = sizeof(MOVMuxContext),
4007  .audio_codec = AV_CODEC_ID_AAC,
4008  .video_codec = CONFIG_LIBX264_ENCODER ?
4009  AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
4014  .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
4015  .priv_class = &psp_muxer_class,
4016 };
4017 #endif
4018 #if CONFIG_TG2_MUXER
4019 MOV_CLASS(tg2)
4020 AVOutputFormat ff_tg2_muxer = {
4021  .name = "3g2",
4022  .long_name = NULL_IF_CONFIG_SMALL("3GP2 (3GPP2 file format)"),
4023  .extensions = "3g2",
4024  .priv_data_size = sizeof(MOVMuxContext),
4025  .audio_codec = AV_CODEC_ID_AMR_NB,
4026  .video_codec = AV_CODEC_ID_H263,
4031  .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
4032  .priv_class = &tg2_muxer_class,
4033 };
4034 #endif
4035 #if CONFIG_IPOD_MUXER
4036 MOV_CLASS(ipod)
4037 AVOutputFormat ff_ipod_muxer = {
4038  .name = "ipod",
4039  .long_name = NULL_IF_CONFIG_SMALL("iPod H.264 MP4 (MPEG-4 Part 14)"),
4040  .mime_type = "application/mp4",
4041  .extensions = "m4v,m4a",
4042  .priv_data_size = sizeof(MOVMuxContext),
4043  .audio_codec = AV_CODEC_ID_AAC,
4044  .video_codec = AV_CODEC_ID_H264,
4049  .codec_tag = (const AVCodecTag* const []){ codec_ipod_tags, 0 },
4050  .priv_class = &ipod_muxer_class,
4051 };
4052 #endif
4053 #if CONFIG_ISMV_MUXER
4054 MOV_CLASS(ismv)
4055 AVOutputFormat ff_ismv_muxer = {
4056  .name = "ismv",
4057  .long_name = NULL_IF_CONFIG_SMALL("ISMV/ISMA (Smooth Streaming)"),
4058  .mime_type = "application/mp4",
4059  .extensions = "ismv,isma",
4060  .priv_data_size = sizeof(MOVMuxContext),
4061  .audio_codec = AV_CODEC_ID_AAC,
4062  .video_codec = AV_CODEC_ID_H264,
4067  .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
4068  .priv_class = &ismv_muxer_class,
4069 };
4070 #endif
4071 #if CONFIG_F4V_MUXER
4072 MOV_CLASS(f4v)
4073 AVOutputFormat ff_f4v_muxer = {
4074  .name = "f4v",
4075  .long_name = NULL_IF_CONFIG_SMALL("F4V Adobe Flash Video"),
4076  .mime_type = "application/f4v",
4077  .extensions = "f4v",
4078  .priv_data_size = sizeof(MOVMuxContext),
4079  .audio_codec = AV_CODEC_ID_AAC,
4080  .video_codec = AV_CODEC_ID_H264,
4085  .codec_tag = (const AVCodecTag* const []){ codec_f4v_tags, 0 },
4086  .priv_class = &f4v_muxer_class,
4087 };
4088 #endif