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>
7 * This file is part of FFmpeg.
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.
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.
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
29 #include "avio_internal.h"
34 #include "libavcodec/ac3_parser.h"
35 #include "libavcodec/dnxhddata.h"
36 #include "libavcodec/get_bits.h"
37 #include "libavcodec/put_bits.h"
38 #include "libavcodec/vc1_common.h"
39 #include "libavcodec/raw.h"
41 #include "libavutil/avstring.h"
42 #include "libavutil/intfloat.h"
43 #include "libavutil/mathematics.h"
44 #include "libavutil/libm.h"
45 #include "libavutil/opt.h"
46 #include "libavutil/dict.h"
47 #include "libavutil/pixdesc.h"
48 #include "libavutil/timecode.h"
49 #include "libavutil/color_utils.h"
55 static const AVOption options[] = {
56 { "movflags", "MOV muxer flags", offsetof(MOVMuxContext, flags), AV_OPT_TYPE_FLAGS, {.i64 = 0}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
57 { "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" },
58 { "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 },
59 { "empty_moov", "Make the initial moov atom empty", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_EMPTY_MOOV}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
60 { "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" },
61 { "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" },
62 { "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" },
63 { "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" },
64 { "faststart", "Run a second pass to put the index (moov atom) at the beginning of the file", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_FASTSTART}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
65 { "omit_tfhd_offset", "Omit the base data offset in tfhd atoms", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_OMIT_TFHD_OFFSET}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
66 { "disable_chpl", "Disable Nero chapter atom", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_DISABLE_CHPL}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
67 { "default_base_moof", "Set the default-base-is-moof flag in tfhd atoms", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_DEFAULT_BASE_MOOF}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
68 { "dash", "Write DASH compatible fragmented MP4", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_DASH}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
69 { "frag_discont", "Signal that the next fragment is discontinuous from earlier ones", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_FRAG_DISCONT}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
70 { "delay_moov", "Delay writing the initial moov until the first fragment is cut, or until the first fragment flush", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_DELAY_MOOV}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
71 { "global_sidx", "Write a global sidx index at the start of the file", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_GLOBAL_SIDX}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
72 { "write_colr", "Write colr atom (Experimental, may be renamed or changed, do not use from scripts)", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_WRITE_COLR}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
73 { "write_gama", "Write deprecated gama atom", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_WRITE_GAMA}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
74 { "use_metadata_tags", "Use mdta atom for metadata.", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_USE_MDTA}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
75 FF_RTP_FLAG_OPTS(MOVMuxContext, rtp_flags),
76 { "skip_iods", "Skip writing iods atom.", offsetof(MOVMuxContext, iods_skip), AV_OPT_TYPE_BOOL, {.i64 = 1}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
77 { "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},
78 { "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},
79 { "frag_duration", "Maximum fragment duration", offsetof(MOVMuxContext, max_fragment_duration), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
80 { "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},
81 { "frag_size", "Maximum fragment size", offsetof(MOVMuxContext, max_fragment_size), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
82 { "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},
83 { "video_track_timescale", "set timescale of all video tracks", offsetof(MOVMuxContext, video_track_timescale), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
84 { "brand", "Override major brand", offsetof(MOVMuxContext, major_brand), AV_OPT_TYPE_STRING, {.str = NULL}, .flags = AV_OPT_FLAG_ENCODING_PARAM },
85 { "use_editlist", "use edit list", offsetof(MOVMuxContext, use_editlist), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, AV_OPT_FLAG_ENCODING_PARAM},
86 { "fragment_index", "Fragment number of the next fragment", offsetof(MOVMuxContext, fragments), AV_OPT_TYPE_INT, {.i64 = 1}, 1, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
87 { "mov_gamma", "gamma value for gama atom", offsetof(MOVMuxContext, gamma), AV_OPT_TYPE_FLOAT, {.dbl = 0.0 }, 0.0, 10, AV_OPT_FLAG_ENCODING_PARAM},
88 { "frag_interleave", "Interleave samples within fragments (max number of consecutive samples, lower is tighter interleaving, but with more overhead)", offsetof(MOVMuxContext, frag_interleave), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM },
89 { "encryption_scheme", "Configures the encryption scheme, allowed values are none, cenc-aes-ctr", offsetof(MOVMuxContext, encryption_scheme_str), AV_OPT_TYPE_STRING, {.str = NULL}, .flags = AV_OPT_FLAG_ENCODING_PARAM },
90 { "encryption_key", "The media encryption key (hex)", offsetof(MOVMuxContext, encryption_key), AV_OPT_TYPE_BINARY, .flags = AV_OPT_FLAG_ENCODING_PARAM },
91 { "encryption_kid", "The media encryption key identifier (hex)", offsetof(MOVMuxContext, encryption_kid), AV_OPT_TYPE_BINARY, .flags = AV_OPT_FLAG_ENCODING_PARAM },
92 { "use_stream_ids_as_track_ids", "use stream ids as track ids", offsetof(MOVMuxContext, use_stream_ids_as_track_ids), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
96 #define MOV_CLASS(flavor)\
97 static const AVClass flavor ## _muxer_class = {\
98 .class_name = #flavor " muxer",\
99 .item_name = av_default_item_name,\
101 .version = LIBAVUTIL_VERSION_INT,\
104 static int get_moov_size(AVFormatContext *s);
106 static int utf8len(const uint8_t *b)
111 GET_UTF8(val, *b++, return -1;)
117 //FIXME support 64 bit variant with wide placeholders
118 static int64_t update_size(AVIOContext *pb, int64_t pos)
120 int64_t curpos = avio_tell(pb);
121 avio_seek(pb, pos, SEEK_SET);
122 avio_wb32(pb, curpos - pos); /* rewrite size */
123 avio_seek(pb, curpos, SEEK_SET);
128 static int co64_required(const MOVTrack *track)
130 if (track->entry > 0 && track->cluster[track->entry - 1].pos + track->data_offset > UINT32_MAX)
135 /* Chunk offset atom */
136 static int mov_write_stco_tag(AVIOContext *pb, MOVTrack *track)
139 int mode64 = co64_required(track); // use 32 bit size variant if possible
140 int64_t pos = avio_tell(pb);
141 avio_wb32(pb, 0); /* size */
143 ffio_wfourcc(pb, "co64");
145 ffio_wfourcc(pb, "stco");
146 avio_wb32(pb, 0); /* version & flags */
147 avio_wb32(pb, track->chunkCount); /* entry count */
148 for (i = 0; i < track->entry; i++) {
149 if (!track->cluster[i].chunkNum)
152 avio_wb64(pb, track->cluster[i].pos + track->data_offset);
154 avio_wb32(pb, track->cluster[i].pos + track->data_offset);
156 return update_size(pb, pos);
159 /* Sample size atom */
160 static int mov_write_stsz_tag(AVIOContext *pb, MOVTrack *track)
163 int i, j, entries = 0, tst = -1, oldtst = -1;
165 int64_t pos = avio_tell(pb);
166 avio_wb32(pb, 0); /* size */
167 ffio_wfourcc(pb, "stsz");
168 avio_wb32(pb, 0); /* version & flags */
170 for (i = 0; i < track->entry; i++) {
171 tst = track->cluster[i].size / track->cluster[i].entries;
172 if (oldtst != -1 && tst != oldtst)
175 entries += track->cluster[i].entries;
177 if (equalChunks && track->entry) {
178 int sSize = track->entry ? track->cluster[0].size / track->cluster[0].entries : 0;
179 sSize = FFMAX(1, sSize); // adpcm mono case could make sSize == 0
180 avio_wb32(pb, sSize); // sample size
181 avio_wb32(pb, entries); // sample count
183 avio_wb32(pb, 0); // sample size
184 avio_wb32(pb, entries); // sample count
185 for (i = 0; i < track->entry; i++) {
186 for (j = 0; j < track->cluster[i].entries; j++) {
187 avio_wb32(pb, track->cluster[i].size /
188 track->cluster[i].entries);
192 return update_size(pb, pos);
195 /* Sample to chunk atom */
196 static int mov_write_stsc_tag(AVIOContext *pb, MOVTrack *track)
198 int index = 0, oldval = -1, i;
199 int64_t entryPos, curpos;
201 int64_t pos = avio_tell(pb);
202 avio_wb32(pb, 0); /* size */
203 ffio_wfourcc(pb, "stsc");
204 avio_wb32(pb, 0); // version & flags
205 entryPos = avio_tell(pb);
206 avio_wb32(pb, track->chunkCount); // entry count
207 for (i = 0; i < track->entry; i++) {
208 if (oldval != track->cluster[i].samples_in_chunk && track->cluster[i].chunkNum) {
209 avio_wb32(pb, track->cluster[i].chunkNum); // first chunk
210 avio_wb32(pb, track->cluster[i].samples_in_chunk); // samples per chunk
211 avio_wb32(pb, 0x1); // sample description index
212 oldval = track->cluster[i].samples_in_chunk;
216 curpos = avio_tell(pb);
217 avio_seek(pb, entryPos, SEEK_SET);
218 avio_wb32(pb, index); // rewrite size
219 avio_seek(pb, curpos, SEEK_SET);
221 return update_size(pb, pos);
224 /* Sync sample atom */
225 static int mov_write_stss_tag(AVIOContext *pb, MOVTrack *track, uint32_t flag)
227 int64_t curpos, entryPos;
229 int64_t pos = avio_tell(pb);
230 avio_wb32(pb, 0); // size
231 ffio_wfourcc(pb, flag == MOV_SYNC_SAMPLE ? "stss" : "stps");
232 avio_wb32(pb, 0); // version & flags
233 entryPos = avio_tell(pb);
234 avio_wb32(pb, track->entry); // entry count
235 for (i = 0; i < track->entry; i++) {
236 if (track->cluster[i].flags & flag) {
237 avio_wb32(pb, i + 1);
241 curpos = avio_tell(pb);
242 avio_seek(pb, entryPos, SEEK_SET);
243 avio_wb32(pb, index); // rewrite size
244 avio_seek(pb, curpos, SEEK_SET);
245 return update_size(pb, pos);
248 static int mov_write_amr_tag(AVIOContext *pb, MOVTrack *track)
250 avio_wb32(pb, 0x11); /* size */
251 if (track->mode == MODE_MOV) ffio_wfourcc(pb, "samr");
252 else ffio_wfourcc(pb, "damr");
253 ffio_wfourcc(pb, "FFMP");
254 avio_w8(pb, 0); /* decoder version */
256 avio_wb16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
257 avio_w8(pb, 0x00); /* Mode change period (no restriction) */
258 avio_w8(pb, 0x01); /* Frames per sample */
262 static int mov_write_ac3_tag(AVIOContext *pb, MOVTrack *track)
267 int fscod, bsid, bsmod, acmod, lfeon, frmsizecod;
269 if (track->vos_len < 7)
273 ffio_wfourcc(pb, "dac3");
275 init_get_bits(&gbc, track->vos_data + 4, (track->vos_len - 4) * 8);
276 fscod = get_bits(&gbc, 2);
277 frmsizecod = get_bits(&gbc, 6);
278 bsid = get_bits(&gbc, 5);
279 bsmod = get_bits(&gbc, 3);
280 acmod = get_bits(&gbc, 3);
282 skip_bits(&gbc, 2); // dsurmod
284 if ((acmod & 1) && acmod != 1)
285 skip_bits(&gbc, 2); // cmixlev
287 skip_bits(&gbc, 2); // surmixlev
289 lfeon = get_bits1(&gbc);
291 init_put_bits(&pbc, buf, sizeof(buf));
292 put_bits(&pbc, 2, fscod);
293 put_bits(&pbc, 5, bsid);
294 put_bits(&pbc, 3, bsmod);
295 put_bits(&pbc, 3, acmod);
296 put_bits(&pbc, 1, lfeon);
297 put_bits(&pbc, 5, frmsizecod >> 1); // bit_rate_code
298 put_bits(&pbc, 5, 0); // reserved
300 flush_put_bits(&pbc);
301 avio_write(pb, buf, sizeof(buf));
311 /* Layout of the EC3SpecificBox */
312 /* maximum bitrate */
314 /* number of independent substreams */
317 /* sample rate code (see ff_ac3_sample_rate_tab) 2 bits */
319 /* bit stream identification 5 bits */
321 /* one bit reserved */
322 /* audio service mixing (not supported yet) 1 bit */
323 /* bit stream mode 3 bits */
325 /* audio coding mode 3 bits */
327 /* sub woofer on 1 bit */
329 /* 3 bits reserved */
330 /* number of dependent substreams associated with this substream 4 bits */
332 /* channel locations of the dependent substream(s), if any, 9 bits */
334 /* if there is no dependent substream, then one bit reserved instead */
335 } substream[1]; /* TODO: support 8 independent substreams */
338 #if CONFIG_AC3_PARSER
339 static int handle_eac3(MOVMuxContext *mov, AVPacket *pkt, MOVTrack *track)
342 AC3HeaderInfo tmp, *hdr = &tmp;
343 struct eac3_info *info;
346 if (!track->eac3_priv && !(track->eac3_priv = av_mallocz(sizeof(*info))))
347 return AVERROR(ENOMEM);
348 info = track->eac3_priv;
350 init_get_bits(&gbc, pkt->data, pkt->size * 8);
351 if (avpriv_ac3_parse_header(&gbc, &hdr) < 0) {
352 /* drop the packets until we see a good one */
354 av_log(mov, AV_LOG_WARNING, "Dropping invalid packet from start of the stream\n");
357 return AVERROR_INVALIDDATA;
360 info->data_rate = FFMAX(info->data_rate, hdr->bit_rate / 1000);
361 num_blocks = hdr->num_blocks;
363 if (!info->ec3_done) {
364 /* AC-3 substream must be the first one */
365 if (hdr->bitstream_id <= 10 && hdr->substreamid != 0)
366 return AVERROR(EINVAL);
368 /* this should always be the case, given that our AC-3 parser
369 * concatenates dependent frames to their independent parent */
370 if (hdr->frame_type == EAC3_FRAME_TYPE_INDEPENDENT) {
371 /* substream ids must be incremental */
372 if (hdr->substreamid > info->num_ind_sub + 1)
373 return AVERROR(EINVAL);
375 if (hdr->substreamid == info->num_ind_sub + 1) {
376 //info->num_ind_sub++;
377 avpriv_request_sample(track->par, "Multiple independent substreams");
378 return AVERROR_PATCHWELCOME;
379 } else if (hdr->substreamid < info->num_ind_sub ||
380 hdr->substreamid == 0 && info->substream[0].bsid) {
386 /* fill the info needed for the "dec3" atom */
387 info->substream[hdr->substreamid].fscod = hdr->sr_code;
388 info->substream[hdr->substreamid].bsid = hdr->bitstream_id;
389 info->substream[hdr->substreamid].bsmod = hdr->bitstream_mode;
390 info->substream[hdr->substreamid].acmod = hdr->channel_mode;
391 info->substream[hdr->substreamid].lfeon = hdr->lfe_on;
393 /* Parse dependent substream(s), if any */
394 if (pkt->size != hdr->frame_size) {
395 int cumul_size = hdr->frame_size;
396 int parent = hdr->substreamid;
398 while (cumul_size != pkt->size) {
400 init_get_bits(&gbc, pkt->data + cumul_size, (pkt->size - cumul_size) * 8);
401 if (avpriv_ac3_parse_header(&gbc, &hdr) < 0)
402 return AVERROR_INVALIDDATA;
403 if (hdr->frame_type != EAC3_FRAME_TYPE_DEPENDENT)
404 return AVERROR(EINVAL);
405 cumul_size += hdr->frame_size;
406 info->substream[parent].num_dep_sub++;
408 /* header is parsed up to lfeon, but custom channel map may be needed */
411 /* skip volume control params */
412 for (i = 0; i < (hdr->channel_mode ? 1 : 2); i++) {
413 skip_bits(&gbc, 5); // skip dialog normalization
414 if (get_bits1(&gbc)) {
415 skip_bits(&gbc, 8); // skip compression gain word
418 /* get the dependent stream channel map, if exists */
420 info->substream[parent].chan_loc |= (get_bits(&gbc, 16) >> 5) & 0x1f;
422 info->substream[parent].chan_loc |= hdr->channel_mode;
428 if (!info->num_blocks && num_blocks == 6)
430 else if (info->num_blocks + num_blocks > 6)
431 return AVERROR_INVALIDDATA;
433 if (!info->num_blocks) {
435 if ((ret = av_copy_packet(&info->pkt, pkt)) < 0)
437 info->num_blocks = num_blocks;
441 if ((ret = av_grow_packet(&info->pkt, pkt->size)) < 0)
443 memcpy(info->pkt.data + info->pkt.size - pkt->size, pkt->data, pkt->size);
444 info->num_blocks += num_blocks;
445 info->pkt.duration += pkt->duration;
446 if ((ret = av_copy_packet_side_data(&info->pkt, pkt)) < 0)
448 if (info->num_blocks != 6)
450 av_packet_unref(pkt);
451 if ((ret = av_copy_packet(pkt, &info->pkt)) < 0)
453 av_packet_unref(&info->pkt);
454 info->num_blocks = 0;
461 static int mov_write_eac3_tag(AVIOContext *pb, MOVTrack *track)
465 struct eac3_info *info;
468 if (!track->eac3_priv)
469 return AVERROR(EINVAL);
471 info = track->eac3_priv;
472 size = 2 + 4 * (info->num_ind_sub + 1);
473 buf = av_malloc(size);
475 size = AVERROR(ENOMEM);
479 init_put_bits(&pbc, buf, size);
480 put_bits(&pbc, 13, info->data_rate);
481 put_bits(&pbc, 3, info->num_ind_sub);
482 for (i = 0; i <= info->num_ind_sub; i++) {
483 put_bits(&pbc, 2, info->substream[i].fscod);
484 put_bits(&pbc, 5, info->substream[i].bsid);
485 put_bits(&pbc, 1, 0); /* reserved */
486 put_bits(&pbc, 1, 0); /* asvc */
487 put_bits(&pbc, 3, info->substream[i].bsmod);
488 put_bits(&pbc, 3, info->substream[i].acmod);
489 put_bits(&pbc, 1, info->substream[i].lfeon);
490 put_bits(&pbc, 5, 0); /* reserved */
491 put_bits(&pbc, 4, info->substream[i].num_dep_sub);
492 if (!info->substream[i].num_dep_sub) {
493 put_bits(&pbc, 1, 0); /* reserved */
496 put_bits(&pbc, 9, info->substream[i].chan_loc);
499 flush_put_bits(&pbc);
501 avio_wb32(pb, size + 8);
502 ffio_wfourcc(pb, "dec3");
503 avio_write(pb, buf, size);
508 av_packet_unref(&info->pkt);
509 av_freep(&track->eac3_priv);
515 * This function writes extradata "as is".
516 * Extradata must be formatted like a valid atom (with size and tag).
518 static int mov_write_extradata_tag(AVIOContext *pb, MOVTrack *track)
520 avio_write(pb, track->par->extradata, track->par->extradata_size);
521 return track->par->extradata_size;
524 static int mov_write_enda_tag(AVIOContext *pb)
527 ffio_wfourcc(pb, "enda");
528 avio_wb16(pb, 1); /* little endian */
532 static int mov_write_enda_tag_be(AVIOContext *pb)
535 ffio_wfourcc(pb, "enda");
536 avio_wb16(pb, 0); /* big endian */
540 static void put_descr(AVIOContext *pb, int tag, unsigned int size)
545 avio_w8(pb, (size >> (7 * i)) | 0x80);
546 avio_w8(pb, size & 0x7F);
549 static unsigned compute_avg_bitrate(MOVTrack *track)
553 if (!track->track_duration)
555 for (i = 0; i < track->entry; i++)
556 size += track->cluster[i].size;
557 return size * 8 * track->timescale / track->track_duration;
560 static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track) // Basic
562 AVCPBProperties *props;
563 int64_t pos = avio_tell(pb);
564 int decoder_specific_info_len = track->vos_len ? 5 + track->vos_len : 0;
565 unsigned avg_bitrate;
567 avio_wb32(pb, 0); // size
568 ffio_wfourcc(pb, "esds");
569 avio_wb32(pb, 0); // Version
572 put_descr(pb, 0x03, 3 + 5+13 + decoder_specific_info_len + 5+1);
573 avio_wb16(pb, track->track_id);
574 avio_w8(pb, 0x00); // flags (= no flags)
576 // DecoderConfig descriptor
577 put_descr(pb, 0x04, 13 + decoder_specific_info_len);
579 // Object type indication
580 if ((track->par->codec_id == AV_CODEC_ID_MP2 ||
581 track->par->codec_id == AV_CODEC_ID_MP3) &&
582 track->par->sample_rate > 24000)
583 avio_w8(pb, 0x6B); // 11172-3
585 avio_w8(pb, ff_codec_get_tag(ff_mp4_obj_type, track->par->codec_id));
587 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
588 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
589 if (track->par->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
590 avio_w8(pb, (0x38 << 2) | 1); // flags (= NeroSubpicStream)
591 else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
592 avio_w8(pb, 0x15); // flags (= Audiostream)
594 avio_w8(pb, 0x11); // flags (= Visualstream)
596 props = (AVCPBProperties*)av_stream_get_side_data(track->st, AV_PKT_DATA_CPB_PROPERTIES,
599 avio_wb24(pb, props ? props->buffer_size / 8 : 0); // Buffersize DB
601 avg_bitrate = compute_avg_bitrate(track);
602 avio_wb32(pb, props ? FFMAX3(props->max_bitrate, props->avg_bitrate, avg_bitrate) : FFMAX(track->par->bit_rate, avg_bitrate)); // maxbitrate (FIXME should be max rate in any 1 sec window)
603 avio_wb32(pb, avg_bitrate);
605 if (track->vos_len) {
606 // DecoderSpecific info descriptor
607 put_descr(pb, 0x05, track->vos_len);
608 avio_write(pb, track->vos_data, track->vos_len);
612 put_descr(pb, 0x06, 1);
614 return update_size(pb, pos);
617 static int mov_pcm_le_gt16(enum AVCodecID codec_id)
619 return codec_id == AV_CODEC_ID_PCM_S24LE ||
620 codec_id == AV_CODEC_ID_PCM_S32LE ||
621 codec_id == AV_CODEC_ID_PCM_F32LE ||
622 codec_id == AV_CODEC_ID_PCM_F64LE;
625 static int mov_pcm_be_gt16(enum AVCodecID codec_id)
627 return codec_id == AV_CODEC_ID_PCM_S24BE ||
628 codec_id == AV_CODEC_ID_PCM_S32BE ||
629 codec_id == AV_CODEC_ID_PCM_F32BE ||
630 codec_id == AV_CODEC_ID_PCM_F64BE;
633 static int mov_write_ms_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
636 int64_t pos = avio_tell(pb);
638 avio_wl32(pb, track->tag); // store it byteswapped
639 track->par->codec_tag = av_bswap16(track->tag >> 16);
640 if ((ret = ff_put_wav_header(s, pb, track->par, 0)) < 0)
642 return update_size(pb, pos);
645 static int mov_write_wfex_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
648 int64_t pos = avio_tell(pb);
650 ffio_wfourcc(pb, "wfex");
651 if ((ret = ff_put_wav_header(s, pb, track->st->codecpar, FF_PUT_WAV_HEADER_FORCE_WAVEFORMATEX)) < 0)
653 return update_size(pb, pos);
656 static int mov_write_chan_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
658 uint32_t layout_tag, bitmap;
659 int64_t pos = avio_tell(pb);
661 layout_tag = ff_mov_get_channel_layout_tag(track->par->codec_id,
662 track->par->channel_layout,
665 av_log(s, AV_LOG_WARNING, "not writing 'chan' tag due to "
666 "lack of channel information\n");
670 if (track->multichannel_as_mono)
673 avio_wb32(pb, 0); // Size
674 ffio_wfourcc(pb, "chan"); // Type
675 avio_w8(pb, 0); // Version
676 avio_wb24(pb, 0); // Flags
677 avio_wb32(pb, layout_tag); // mChannelLayoutTag
678 avio_wb32(pb, bitmap); // mChannelBitmap
679 avio_wb32(pb, 0); // mNumberChannelDescriptions
681 return update_size(pb, pos);
684 static int mov_write_wave_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
686 int64_t pos = avio_tell(pb);
688 avio_wb32(pb, 0); /* size */
689 ffio_wfourcc(pb, "wave");
691 if (track->par->codec_id != AV_CODEC_ID_QDM2) {
692 avio_wb32(pb, 12); /* size */
693 ffio_wfourcc(pb, "frma");
694 avio_wl32(pb, track->tag);
697 if (track->par->codec_id == AV_CODEC_ID_AAC) {
698 /* useless atom needed by mplayer, ipod, not needed by quicktime */
699 avio_wb32(pb, 12); /* size */
700 ffio_wfourcc(pb, "mp4a");
702 mov_write_esds_tag(pb, track);
703 } else if (mov_pcm_le_gt16(track->par->codec_id)) {
704 mov_write_enda_tag(pb);
705 } else if (mov_pcm_be_gt16(track->par->codec_id)) {
706 mov_write_enda_tag_be(pb);
707 } else if (track->par->codec_id == AV_CODEC_ID_AMR_NB) {
708 mov_write_amr_tag(pb, track);
709 } else if (track->par->codec_id == AV_CODEC_ID_AC3) {
710 mov_write_ac3_tag(pb, track);
711 } else if (track->par->codec_id == AV_CODEC_ID_EAC3) {
712 mov_write_eac3_tag(pb, track);
713 } else if (track->par->codec_id == AV_CODEC_ID_ALAC ||
714 track->par->codec_id == AV_CODEC_ID_QDM2) {
715 mov_write_extradata_tag(pb, track);
716 } else if (track->par->codec_id == AV_CODEC_ID_ADPCM_MS ||
717 track->par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
718 mov_write_ms_tag(s, pb, track);
721 avio_wb32(pb, 8); /* size */
722 avio_wb32(pb, 0); /* null tag */
724 return update_size(pb, pos);
727 static int mov_write_dvc1_structs(MOVTrack *track, uint8_t *buf)
730 const uint8_t *start, *next, *end = track->vos_data + track->vos_len;
731 int unescaped_size, seq_found = 0;
732 int level = 0, interlace = 0;
733 int packet_seq = track->vc1_info.packet_seq;
734 int packet_entry = track->vc1_info.packet_entry;
735 int slices = track->vc1_info.slices;
738 if (track->start_dts == AV_NOPTS_VALUE) {
739 /* No packets written yet, vc1_info isn't authoritative yet. */
740 /* Assume inline sequence and entry headers. */
741 packet_seq = packet_entry = 1;
742 av_log(NULL, AV_LOG_WARNING,
743 "moov atom written before any packets, unable to write correct "
744 "dvc1 atom. Set the delay_moov flag to fix this.\n");
747 unescaped = av_mallocz(track->vos_len + AV_INPUT_BUFFER_PADDING_SIZE);
749 return AVERROR(ENOMEM);
750 start = find_next_marker(track->vos_data, end);
751 for (next = start; next < end; start = next) {
754 next = find_next_marker(start + 4, end);
755 size = next - start - 4;
758 unescaped_size = vc1_unescape_buffer(start + 4, size, unescaped);
759 init_get_bits(&gb, unescaped, 8 * unescaped_size);
760 if (AV_RB32(start) == VC1_CODE_SEQHDR) {
761 int profile = get_bits(&gb, 2);
762 if (profile != PROFILE_ADVANCED) {
764 return AVERROR(ENOSYS);
767 level = get_bits(&gb, 3);
768 /* chromaformat, frmrtq_postproc, bitrtq_postproc, postprocflag,
770 skip_bits_long(&gb, 2 + 3 + 5 + 1 + 2*12);
771 skip_bits(&gb, 1); /* broadcast */
772 interlace = get_bits1(&gb);
773 skip_bits(&gb, 4); /* tfcntrflag, finterpflag, reserved, psf */
778 return AVERROR(ENOSYS);
781 init_put_bits(&pbc, buf, 7);
782 /* VC1DecSpecStruc */
783 put_bits(&pbc, 4, 12); /* profile - advanced */
784 put_bits(&pbc, 3, level);
785 put_bits(&pbc, 1, 0); /* reserved */
786 /* VC1AdvDecSpecStruc */
787 put_bits(&pbc, 3, level);
788 put_bits(&pbc, 1, 0); /* cbr */
789 put_bits(&pbc, 6, 0); /* reserved */
790 put_bits(&pbc, 1, !interlace); /* no interlace */
791 put_bits(&pbc, 1, !packet_seq); /* no multiple seq */
792 put_bits(&pbc, 1, !packet_entry); /* no multiple entry */
793 put_bits(&pbc, 1, !slices); /* no slice code */
794 put_bits(&pbc, 1, 0); /* no bframe */
795 put_bits(&pbc, 1, 0); /* reserved */
798 if (track->st->avg_frame_rate.num > 0 && track->st->avg_frame_rate.den > 0)
799 put_bits32(&pbc, track->st->avg_frame_rate.num / track->st->avg_frame_rate.den);
801 put_bits32(&pbc, 0xffffffff);
803 flush_put_bits(&pbc);
810 static int mov_write_dvc1_tag(AVIOContext *pb, MOVTrack *track)
812 uint8_t buf[7] = { 0 };
815 if ((ret = mov_write_dvc1_structs(track, buf)) < 0)
818 avio_wb32(pb, track->vos_len + 8 + sizeof(buf));
819 ffio_wfourcc(pb, "dvc1");
820 avio_write(pb, buf, sizeof(buf));
821 avio_write(pb, track->vos_data, track->vos_len);
826 static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track)
828 avio_wb32(pb, track->vos_len + 8);
829 ffio_wfourcc(pb, "glbl");
830 avio_write(pb, track->vos_data, track->vos_len);
831 return 8 + track->vos_len;
835 * Compute flags for 'lpcm' tag.
836 * See CoreAudioTypes and AudioStreamBasicDescription at Apple.
838 static int mov_get_lpcm_flags(enum AVCodecID codec_id)
841 case AV_CODEC_ID_PCM_F32BE:
842 case AV_CODEC_ID_PCM_F64BE:
844 case AV_CODEC_ID_PCM_F32LE:
845 case AV_CODEC_ID_PCM_F64LE:
847 case AV_CODEC_ID_PCM_U8:
849 case AV_CODEC_ID_PCM_S16BE:
850 case AV_CODEC_ID_PCM_S24BE:
851 case AV_CODEC_ID_PCM_S32BE:
853 case AV_CODEC_ID_PCM_S8:
854 case AV_CODEC_ID_PCM_S16LE:
855 case AV_CODEC_ID_PCM_S24LE:
856 case AV_CODEC_ID_PCM_S32LE:
863 static int get_cluster_duration(MOVTrack *track, int cluster_idx)
867 if (cluster_idx >= track->entry)
870 if (cluster_idx + 1 == track->entry)
871 next_dts = track->track_duration + track->start_dts;
873 next_dts = track->cluster[cluster_idx + 1].dts;
875 next_dts -= track->cluster[cluster_idx].dts;
877 av_assert0(next_dts >= 0);
878 av_assert0(next_dts <= INT_MAX);
883 static int get_samples_per_packet(MOVTrack *track)
885 int i, first_duration;
887 // return track->par->frame_size;
889 /* use 1 for raw PCM */
890 if (!track->audio_vbr)
893 /* check to see if duration is constant for all clusters */
896 first_duration = get_cluster_duration(track, 0);
897 for (i = 1; i < track->entry; i++) {
898 if (get_cluster_duration(track, i) != first_duration)
901 return first_duration;
904 static int mov_write_audio_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
906 int64_t pos = avio_tell(pb);
908 uint32_t tag = track->tag;
910 if (track->mode == MODE_MOV) {
911 if (track->timescale > UINT16_MAX) {
912 if (mov_get_lpcm_flags(track->par->codec_id))
913 tag = AV_RL32("lpcm");
915 } else if (track->audio_vbr || mov_pcm_le_gt16(track->par->codec_id) ||
916 mov_pcm_be_gt16(track->par->codec_id) ||
917 track->par->codec_id == AV_CODEC_ID_ADPCM_MS ||
918 track->par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
919 track->par->codec_id == AV_CODEC_ID_QDM2) {
924 avio_wb32(pb, 0); /* size */
925 if (mov->encryption_scheme != MOV_ENC_NONE) {
926 ffio_wfourcc(pb, "enca");
928 avio_wl32(pb, tag); // store it byteswapped
930 avio_wb32(pb, 0); /* Reserved */
931 avio_wb16(pb, 0); /* Reserved */
932 avio_wb16(pb, 1); /* Data-reference index, XXX == 1 */
934 /* SoundDescription */
935 avio_wb16(pb, version); /* Version */
936 avio_wb16(pb, 0); /* Revision level */
937 avio_wb32(pb, 0); /* Reserved */
942 avio_wb16(pb, 0xfffe);
944 avio_wb32(pb, 0x00010000);
946 avio_wb64(pb, av_double2int(track->par->sample_rate));
947 avio_wb32(pb, track->par->channels);
948 avio_wb32(pb, 0x7F000000);
949 avio_wb32(pb, av_get_bits_per_sample(track->par->codec_id));
950 avio_wb32(pb, mov_get_lpcm_flags(track->par->codec_id));
951 avio_wb32(pb, track->sample_size);
952 avio_wb32(pb, get_samples_per_packet(track));
954 if (track->mode == MODE_MOV) {
955 avio_wb16(pb, track->par->channels);
956 if (track->par->codec_id == AV_CODEC_ID_PCM_U8 ||
957 track->par->codec_id == AV_CODEC_ID_PCM_S8)
958 avio_wb16(pb, 8); /* bits per sample */
959 else if (track->par->codec_id == AV_CODEC_ID_ADPCM_G726)
960 avio_wb16(pb, track->par->bits_per_coded_sample);
963 avio_wb16(pb, track->audio_vbr ? -2 : 0); /* compression ID */
964 } else { /* reserved for mp4/3gp */
970 avio_wb16(pb, 0); /* packet size (= 0) */
971 avio_wb16(pb, track->par->sample_rate <= UINT16_MAX ?
972 track->par->sample_rate : 0);
973 avio_wb16(pb, 0); /* Reserved */
976 if (version == 1) { /* SoundDescription V1 extended info */
977 if (mov_pcm_le_gt16(track->par->codec_id) ||
978 mov_pcm_be_gt16(track->par->codec_id))
979 avio_wb32(pb, 1); /* must be 1 for uncompressed formats */
981 avio_wb32(pb, track->par->frame_size); /* Samples per packet */
982 avio_wb32(pb, track->sample_size / track->par->channels); /* Bytes per packet */
983 avio_wb32(pb, track->sample_size); /* Bytes per frame */
984 avio_wb32(pb, 2); /* Bytes per sample */
987 if (track->mode == MODE_MOV &&
988 (track->par->codec_id == AV_CODEC_ID_AAC ||
989 track->par->codec_id == AV_CODEC_ID_AC3 ||
990 track->par->codec_id == AV_CODEC_ID_EAC3 ||
991 track->par->codec_id == AV_CODEC_ID_AMR_NB ||
992 track->par->codec_id == AV_CODEC_ID_ALAC ||
993 track->par->codec_id == AV_CODEC_ID_ADPCM_MS ||
994 track->par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
995 track->par->codec_id == AV_CODEC_ID_QDM2 ||
996 (mov_pcm_le_gt16(track->par->codec_id) && version==1) ||
997 (mov_pcm_be_gt16(track->par->codec_id) && version==1)))
998 mov_write_wave_tag(s, pb, track);
999 else if (track->tag == MKTAG('m','p','4','a'))
1000 mov_write_esds_tag(pb, track);
1001 else if (track->par->codec_id == AV_CODEC_ID_AMR_NB)
1002 mov_write_amr_tag(pb, track);
1003 else if (track->par->codec_id == AV_CODEC_ID_AC3)
1004 mov_write_ac3_tag(pb, track);
1005 else if (track->par->codec_id == AV_CODEC_ID_EAC3)
1006 mov_write_eac3_tag(pb, track);
1007 else if (track->par->codec_id == AV_CODEC_ID_ALAC)
1008 mov_write_extradata_tag(pb, track);
1009 else if (track->par->codec_id == AV_CODEC_ID_WMAPRO)
1010 mov_write_wfex_tag(s, pb, track);
1011 else if (track->vos_len > 0)
1012 mov_write_glbl_tag(pb, track);
1014 if (track->mode == MODE_MOV && track->par->codec_type == AVMEDIA_TYPE_AUDIO)
1015 mov_write_chan_tag(s, pb, track);
1017 if (mov->encryption_scheme != MOV_ENC_NONE) {
1018 ff_mov_cenc_write_sinf_tag(track, pb, mov->encryption_kid);
1021 return update_size(pb, pos);
1024 static int mov_write_d263_tag(AVIOContext *pb)
1026 avio_wb32(pb, 0xf); /* size */
1027 ffio_wfourcc(pb, "d263");
1028 ffio_wfourcc(pb, "FFMP");
1029 avio_w8(pb, 0); /* decoder version */
1030 /* FIXME use AVCodecContext level/profile, when encoder will set values */
1031 avio_w8(pb, 0xa); /* level */
1032 avio_w8(pb, 0); /* profile */
1036 static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
1038 int64_t pos = avio_tell(pb);
1041 ffio_wfourcc(pb, "avcC");
1042 ff_isom_write_avcc(pb, track->vos_data, track->vos_len);
1043 return update_size(pb, pos);
1046 static int mov_write_vpcc_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
1048 int64_t pos = avio_tell(pb);
1051 ffio_wfourcc(pb, "vpcC");
1052 avio_wb32(pb, 0); /* version & flags */
1053 ff_isom_write_vpcc(s, pb, track->par);
1054 return update_size(pb, pos);
1057 static int mov_write_hvcc_tag(AVIOContext *pb, MOVTrack *track)
1059 int64_t pos = avio_tell(pb);
1062 ffio_wfourcc(pb, "hvcC");
1063 ff_isom_write_hvcc(pb, track->vos_data, track->vos_len, 0);
1064 return update_size(pb, pos);
1067 /* also used by all avid codecs (dv, imx, meridien) and their variants */
1068 static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
1074 if (track->vos_data && track->vos_len > 0x29) {
1075 if (ff_dnxhd_parse_header_prefix(track->vos_data) != 0) {
1076 /* looks like a DNxHD bit stream */
1077 interlaced = (track->vos_data[5] & 2);
1078 cid = AV_RB32(track->vos_data + 0x28);
1080 av_log(NULL, AV_LOG_WARNING, "Could not locate DNxHD bit stream in vos_data\n");
1084 av_log(NULL, AV_LOG_WARNING, "Could not locate DNxHD bit stream, vos_data too small\n");
1088 avio_wb32(pb, 24); /* size */
1089 ffio_wfourcc(pb, "ACLR");
1090 ffio_wfourcc(pb, "ACLR");
1091 ffio_wfourcc(pb, "0001");
1092 if (track->par->color_range == AVCOL_RANGE_MPEG || /* Legal range (16-235) */
1093 track->par->color_range == AVCOL_RANGE_UNSPECIFIED) {
1094 avio_wb32(pb, 1); /* Corresponds to 709 in official encoder */
1095 } else { /* Full range (0-255) */
1096 avio_wb32(pb, 2); /* Corresponds to RGB in official encoder */
1098 avio_wb32(pb, 0); /* unknown */
1100 if (track->tag == MKTAG('A','V','d','h')) {
1102 ffio_wfourcc(pb, "ADHR");
1103 ffio_wfourcc(pb, "0001");
1105 avio_wb32(pb, 0); /* unknown */
1106 avio_wb32(pb, 1); /* unknown */
1107 avio_wb32(pb, 0); /* unknown */
1108 avio_wb32(pb, 0); /* unknown */
1112 avio_wb32(pb, 24); /* size */
1113 ffio_wfourcc(pb, "APRG");
1114 ffio_wfourcc(pb, "APRG");
1115 ffio_wfourcc(pb, "0001");
1116 avio_wb32(pb, 1); /* unknown */
1117 avio_wb32(pb, 0); /* unknown */
1119 avio_wb32(pb, 120); /* size */
1120 ffio_wfourcc(pb, "ARES");
1121 ffio_wfourcc(pb, "ARES");
1122 ffio_wfourcc(pb, "0001");
1123 avio_wb32(pb, cid); /* dnxhd cid, some id ? */
1124 avio_wb32(pb, track->par->width);
1125 /* values below are based on samples created with quicktime and avid codecs */
1127 avio_wb32(pb, track->par->height / 2);
1128 avio_wb32(pb, 2); /* unknown */
1129 avio_wb32(pb, 0); /* unknown */
1130 avio_wb32(pb, 4); /* unknown */
1132 avio_wb32(pb, track->par->height);
1133 avio_wb32(pb, 1); /* unknown */
1134 avio_wb32(pb, 0); /* unknown */
1135 if (track->par->height == 1080)
1136 avio_wb32(pb, 5); /* unknown */
1138 avio_wb32(pb, 6); /* unknown */
1141 for (i = 0; i < 10; i++)
1147 static int mov_write_dpxe_tag(AVIOContext *pb, MOVTrack *track)
1150 ffio_wfourcc(pb, "DpxE");
1151 if (track->par->extradata_size >= 12 &&
1152 !memcmp(&track->par->extradata[4], "DpxE", 4)) {
1153 avio_wb32(pb, track->par->extradata[11]);
1160 static int mp4_get_codec_tag(AVFormatContext *s, MOVTrack *track)
1162 int tag = track->par->codec_tag;
1164 if (!ff_codec_get_tag(ff_mp4_obj_type, track->par->codec_id))
1167 if (track->par->codec_id == AV_CODEC_ID_H264) tag = MKTAG('a','v','c','1');
1168 else if (track->par->codec_id == AV_CODEC_ID_HEVC) tag = MKTAG('h','e','v','1');
1169 else if (track->par->codec_id == AV_CODEC_ID_VP9) tag = MKTAG('v','p','0','9');
1170 else if (track->par->codec_id == AV_CODEC_ID_AC3) tag = MKTAG('a','c','-','3');
1171 else if (track->par->codec_id == AV_CODEC_ID_EAC3) tag = MKTAG('e','c','-','3');
1172 else if (track->par->codec_id == AV_CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c');
1173 else if (track->par->codec_id == AV_CODEC_ID_MOV_TEXT) tag = MKTAG('t','x','3','g');
1174 else if (track->par->codec_id == AV_CODEC_ID_VC1) tag = MKTAG('v','c','-','1');
1175 else if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) tag = MKTAG('m','p','4','v');
1176 else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) tag = MKTAG('m','p','4','a');
1177 else if (track->par->codec_id == AV_CODEC_ID_DVD_SUBTITLE) tag = MKTAG('m','p','4','s');
1182 static const AVCodecTag codec_ipod_tags[] = {
1183 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
1184 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
1185 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
1186 { AV_CODEC_ID_ALAC, MKTAG('a','l','a','c') },
1187 { AV_CODEC_ID_AC3, MKTAG('a','c','-','3') },
1188 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
1189 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
1190 { AV_CODEC_ID_NONE, 0 },
1193 static int ipod_get_codec_tag(AVFormatContext *s, MOVTrack *track)
1195 int tag = track->par->codec_tag;
1197 // keep original tag for subs, ipod supports both formats
1198 if (!(track->par->codec_type == AVMEDIA_TYPE_SUBTITLE &&
1199 (tag == MKTAG('t', 'x', '3', 'g') ||
1200 tag == MKTAG('t', 'e', 'x', 't'))))
1201 tag = ff_codec_get_tag(codec_ipod_tags, track->par->codec_id);
1203 if (!av_match_ext(s->filename, "m4a") &&
1204 !av_match_ext(s->filename, "m4b") &&
1205 !av_match_ext(s->filename, "m4v"))
1206 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a, .m4v nor .m4b "
1207 "Quicktime/Ipod might not play the file\n");
1212 static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
1216 if (track->par->width == 720) { /* SD */
1217 if (track->par->height == 480) { /* NTSC */
1218 if (track->par->format == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
1219 else tag = MKTAG('d','v','c',' ');
1220 }else if (track->par->format == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
1221 else if (track->par->format == AV_PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
1222 else tag = MKTAG('d','v','p','p');
1223 } else if (track->par->height == 720) { /* HD 720 line */
1224 if (track->st->time_base.den == 50) tag = MKTAG('d','v','h','q');
1225 else tag = MKTAG('d','v','h','p');
1226 } else if (track->par->height == 1080) { /* HD 1080 line */
1227 if (track->st->time_base.den == 25) tag = MKTAG('d','v','h','5');
1228 else tag = MKTAG('d','v','h','6');
1230 av_log(s, AV_LOG_ERROR, "unsupported height for dv codec\n");
1237 static AVRational find_fps(AVFormatContext *s, AVStream *st)
1239 AVRational rate = st->avg_frame_rate;
1241 #if FF_API_LAVF_AVCTX
1242 FF_DISABLE_DEPRECATION_WARNINGS
1243 rate = av_inv_q(st->codec->time_base);
1244 if (av_timecode_check_frame_rate(rate) < 0) {
1245 av_log(s, AV_LOG_DEBUG, "timecode: tbc=%d/%d invalid, fallback on %d/%d\n",
1246 rate.num, rate.den, st->avg_frame_rate.num, st->avg_frame_rate.den);
1247 rate = st->avg_frame_rate;
1249 FF_ENABLE_DEPRECATION_WARNINGS
1255 static int mov_get_mpeg2_xdcam_codec_tag(AVFormatContext *s, MOVTrack *track)
1257 int tag = track->par->codec_tag;
1258 int interlaced = track->par->field_order > AV_FIELD_PROGRESSIVE;
1259 AVStream *st = track->st;
1260 int rate = av_q2d(find_fps(s, st));
1263 tag = MKTAG('m', '2', 'v', '1'); //fallback tag
1265 if (track->par->format == AV_PIX_FMT_YUV420P) {
1266 if (track->par->width == 1280 && track->par->height == 720) {
1268 if (rate == 24) tag = MKTAG('x','d','v','4');
1269 else if (rate == 25) tag = MKTAG('x','d','v','5');
1270 else if (rate == 30) tag = MKTAG('x','d','v','1');
1271 else if (rate == 50) tag = MKTAG('x','d','v','a');
1272 else if (rate == 60) tag = MKTAG('x','d','v','9');
1274 } else if (track->par->width == 1440 && track->par->height == 1080) {
1276 if (rate == 24) tag = MKTAG('x','d','v','6');
1277 else if (rate == 25) tag = MKTAG('x','d','v','7');
1278 else if (rate == 30) tag = MKTAG('x','d','v','8');
1280 if (rate == 25) tag = MKTAG('x','d','v','3');
1281 else if (rate == 30) tag = MKTAG('x','d','v','2');
1283 } else if (track->par->width == 1920 && track->par->height == 1080) {
1285 if (rate == 24) tag = MKTAG('x','d','v','d');
1286 else if (rate == 25) tag = MKTAG('x','d','v','e');
1287 else if (rate == 30) tag = MKTAG('x','d','v','f');
1289 if (rate == 25) tag = MKTAG('x','d','v','c');
1290 else if (rate == 30) tag = MKTAG('x','d','v','b');
1293 } else if (track->par->format == AV_PIX_FMT_YUV422P) {
1294 if (track->par->width == 1280 && track->par->height == 720) {
1296 if (rate == 24) tag = MKTAG('x','d','5','4');
1297 else if (rate == 25) tag = MKTAG('x','d','5','5');
1298 else if (rate == 30) tag = MKTAG('x','d','5','1');
1299 else if (rate == 50) tag = MKTAG('x','d','5','a');
1300 else if (rate == 60) tag = MKTAG('x','d','5','9');
1302 } else if (track->par->width == 1920 && track->par->height == 1080) {
1304 if (rate == 24) tag = MKTAG('x','d','5','d');
1305 else if (rate == 25) tag = MKTAG('x','d','5','e');
1306 else if (rate == 30) tag = MKTAG('x','d','5','f');
1308 if (rate == 25) tag = MKTAG('x','d','5','c');
1309 else if (rate == 30) tag = MKTAG('x','d','5','b');
1317 static int mov_get_h264_codec_tag(AVFormatContext *s, MOVTrack *track)
1319 int tag = track->par->codec_tag;
1320 int interlaced = track->par->field_order > AV_FIELD_PROGRESSIVE;
1321 AVStream *st = track->st;
1322 int rate = av_q2d(find_fps(s, st));
1325 tag = MKTAG('a', 'v', 'c', 'i'); //fallback tag
1327 if (track->par->format == AV_PIX_FMT_YUV420P10) {
1328 if (track->par->width == 960 && track->par->height == 720) {
1330 if (rate == 24) tag = MKTAG('a','i','5','p');
1331 else if (rate == 25) tag = MKTAG('a','i','5','q');
1332 else if (rate == 30) tag = MKTAG('a','i','5','p');
1333 else if (rate == 50) tag = MKTAG('a','i','5','q');
1334 else if (rate == 60) tag = MKTAG('a','i','5','p');
1336 } else if (track->par->width == 1440 && track->par->height == 1080) {
1338 if (rate == 24) tag = MKTAG('a','i','5','3');
1339 else if (rate == 25) tag = MKTAG('a','i','5','2');
1340 else if (rate == 30) tag = MKTAG('a','i','5','3');
1342 if (rate == 50) tag = MKTAG('a','i','5','5');
1343 else if (rate == 60) tag = MKTAG('a','i','5','6');
1346 } else if (track->par->format == AV_PIX_FMT_YUV422P10) {
1347 if (track->par->width == 1280 && track->par->height == 720) {
1349 if (rate == 24) tag = MKTAG('a','i','1','p');
1350 else if (rate == 25) tag = MKTAG('a','i','1','q');
1351 else if (rate == 30) tag = MKTAG('a','i','1','p');
1352 else if (rate == 50) tag = MKTAG('a','i','1','q');
1353 else if (rate == 60) tag = MKTAG('a','i','1','p');
1355 } else if (track->par->width == 1920 && track->par->height == 1080) {
1357 if (rate == 24) tag = MKTAG('a','i','1','3');
1358 else if (rate == 25) tag = MKTAG('a','i','1','2');
1359 else if (rate == 30) tag = MKTAG('a','i','1','3');
1361 if (rate == 25) tag = MKTAG('a','i','1','5');
1362 else if (rate == 50) tag = MKTAG('a','i','1','5');
1363 else if (rate == 60) tag = MKTAG('a','i','1','6');
1365 } else if ( track->par->width == 4096 && track->par->height == 2160
1366 || track->par->width == 3840 && track->par->height == 2160
1367 || track->par->width == 2048 && track->par->height == 1080) {
1368 tag = MKTAG('a','i','v','x');
1375 static const struct {
1376 enum AVPixelFormat pix_fmt;
1379 } mov_pix_fmt_tags[] = {
1380 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','2'), 0 },
1381 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
1382 { AV_PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
1383 { AV_PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 },
1384 { AV_PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
1385 { AV_PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
1386 { AV_PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
1387 { AV_PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 },
1388 { AV_PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
1389 { AV_PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
1390 { AV_PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
1391 { AV_PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
1392 { AV_PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
1393 { AV_PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 },
1394 { AV_PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
1397 static int mov_get_dnxhd_codec_tag(AVFormatContext *s, MOVTrack *track)
1399 int tag = MKTAG('A','V','d','n');
1400 if (track->par->profile != FF_PROFILE_UNKNOWN &&
1401 track->par->profile != FF_PROFILE_DNXHD)
1402 tag = MKTAG('A','V','d','h');
1406 static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
1408 int tag = track->par->codec_tag;
1410 enum AVPixelFormat pix_fmt;
1412 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
1413 if (track->par->format == mov_pix_fmt_tags[i].pix_fmt) {
1414 tag = mov_pix_fmt_tags[i].tag;
1415 track->par->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
1416 if (track->par->codec_tag == mov_pix_fmt_tags[i].tag)
1421 pix_fmt = avpriv_find_pix_fmt(avpriv_pix_fmt_bps_mov,
1422 track->par->bits_per_coded_sample);
1423 if (tag == MKTAG('r','a','w',' ') &&
1424 track->par->format != pix_fmt &&
1425 track->par->format != AV_PIX_FMT_NONE)
1426 av_log(s, AV_LOG_ERROR, "%s rawvideo cannot be written to mov, output file will be unreadable\n",
1427 av_get_pix_fmt_name(track->par->format));
1431 static int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
1433 int tag = track->par->codec_tag;
1435 if (!tag || (s->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
1436 (track->par->codec_id == AV_CODEC_ID_DVVIDEO ||
1437 track->par->codec_id == AV_CODEC_ID_RAWVIDEO ||
1438 track->par->codec_id == AV_CODEC_ID_H263 ||
1439 track->par->codec_id == AV_CODEC_ID_H264 ||
1440 track->par->codec_id == AV_CODEC_ID_DNXHD ||
1441 track->par->codec_id == AV_CODEC_ID_MPEG2VIDEO ||
1442 av_get_bits_per_sample(track->par->codec_id)))) { // pcm audio
1443 if (track->par->codec_id == AV_CODEC_ID_DVVIDEO)
1444 tag = mov_get_dv_codec_tag(s, track);
1445 else if (track->par->codec_id == AV_CODEC_ID_RAWVIDEO)
1446 tag = mov_get_rawvideo_codec_tag(s, track);
1447 else if (track->par->codec_id == AV_CODEC_ID_MPEG2VIDEO)
1448 tag = mov_get_mpeg2_xdcam_codec_tag(s, track);
1449 else if (track->par->codec_id == AV_CODEC_ID_H264)
1450 tag = mov_get_h264_codec_tag(s, track);
1451 else if (track->par->codec_id == AV_CODEC_ID_DNXHD)
1452 tag = mov_get_dnxhd_codec_tag(s, track);
1453 else if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
1454 tag = ff_codec_get_tag(ff_codec_movvideo_tags, track->par->codec_id);
1455 if (!tag) { // if no mac fcc found, try with Microsoft tags
1456 tag = ff_codec_get_tag(ff_codec_bmp_tags, track->par->codec_id);
1458 av_log(s, AV_LOG_WARNING, "Using MS style video codec tag, "
1459 "the file may be unplayable!\n");
1461 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
1462 tag = ff_codec_get_tag(ff_codec_movaudio_tags, track->par->codec_id);
1463 if (!tag) { // if no mac fcc found, try with Microsoft tags
1464 int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->par->codec_id);
1466 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
1467 av_log(s, AV_LOG_WARNING, "Using MS style audio codec tag, "
1468 "the file may be unplayable!\n");
1471 } else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE)
1472 tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->par->codec_id);
1478 static const AVCodecTag codec_3gp_tags[] = {
1479 { AV_CODEC_ID_H263, MKTAG('s','2','6','3') },
1480 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
1481 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
1482 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
1483 { AV_CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
1484 { AV_CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
1485 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
1486 { AV_CODEC_ID_NONE, 0 },
1489 static const AVCodecTag codec_f4v_tags[] = { // XXX: add GIF/PNG/JPEG?
1490 { AV_CODEC_ID_MP3, MKTAG('.','m','p','3') },
1491 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
1492 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
1493 { AV_CODEC_ID_VP6A, MKTAG('V','P','6','A') },
1494 { AV_CODEC_ID_VP6F, MKTAG('V','P','6','F') },
1495 { AV_CODEC_ID_NONE, 0 },
1498 static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
1502 if (track->mode == MODE_MP4 || track->mode == MODE_PSP)
1503 tag = mp4_get_codec_tag(s, track);
1504 else if (track->mode == MODE_ISM) {
1505 tag = mp4_get_codec_tag(s, track);
1506 if (!tag && track->par->codec_id == AV_CODEC_ID_WMAPRO)
1507 tag = MKTAG('w', 'm', 'a', ' ');
1508 } else if (track->mode == MODE_IPOD)
1509 tag = ipod_get_codec_tag(s, track);
1510 else if (track->mode & MODE_3GP)
1511 tag = ff_codec_get_tag(codec_3gp_tags, track->par->codec_id);
1512 else if (track->mode == MODE_F4V)
1513 tag = ff_codec_get_tag(codec_f4v_tags, track->par->codec_id);
1515 tag = mov_get_codec_tag(s, track);
1520 /** Write uuid atom.
1521 * Needed to make file play in iPods running newest firmware
1522 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
1524 static int mov_write_uuid_tag_ipod(AVIOContext *pb)
1527 ffio_wfourcc(pb, "uuid");
1528 avio_wb32(pb, 0x6b6840f2);
1529 avio_wb32(pb, 0x5f244fc5);
1530 avio_wb32(pb, 0xba39a51b);
1531 avio_wb32(pb, 0xcf0323f3);
1536 static const uint16_t fiel_data[] = {
1537 0x0000, 0x0100, 0x0201, 0x0206, 0x0209, 0x020e
1540 static int mov_write_fiel_tag(AVIOContext *pb, MOVTrack *track, int field_order)
1542 unsigned mov_field_order = 0;
1543 if (field_order < FF_ARRAY_ELEMS(fiel_data))
1544 mov_field_order = fiel_data[field_order];
1548 ffio_wfourcc(pb, "fiel");
1549 avio_wb16(pb, mov_field_order);
1553 static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
1555 int64_t pos = avio_tell(pb);
1556 avio_wb32(pb, 0); /* size */
1557 avio_wl32(pb, track->tag); // store it byteswapped
1558 avio_wb32(pb, 0); /* Reserved */
1559 avio_wb16(pb, 0); /* Reserved */
1560 avio_wb16(pb, 1); /* Data-reference index */
1562 if (track->par->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
1563 mov_write_esds_tag(pb, track);
1564 else if (track->par->extradata_size)
1565 avio_write(pb, track->par->extradata, track->par->extradata_size);
1567 return update_size(pb, pos);
1570 static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
1573 av_reduce(&sar.num, &sar.den, track->par->sample_aspect_ratio.num,
1574 track->par->sample_aspect_ratio.den, INT_MAX);
1577 ffio_wfourcc(pb, "pasp");
1578 avio_wb32(pb, sar.num);
1579 avio_wb32(pb, sar.den);
1583 static int mov_write_gama_tag(AVIOContext *pb, MOVTrack *track, double gamma)
1588 gamma = avpriv_get_gamma_from_trc(track->par->color_trc);
1590 av_log(pb, AV_LOG_DEBUG, "gamma value %g\n", gamma);
1593 gama = (uint32_t)lrint((double)(1<<16) * gamma);
1594 av_log(pb, AV_LOG_DEBUG, "writing gama value %d\n", gama);
1596 av_assert0(track->mode == MODE_MOV);
1598 ffio_wfourcc(pb, "gama");
1599 avio_wb32(pb, gama);
1603 av_log(pb, AV_LOG_WARNING, "gamma value unknown, unable to write gama atom\n");
1608 static int mov_write_colr_tag(AVIOContext *pb, MOVTrack *track)
1610 // Ref (MOV): https://developer.apple.com/library/mac/technotes/tn2162/_index.html#//apple_ref/doc/uid/DTS40013070-CH1-TNTAG9
1611 // Ref (MP4): ISO/IEC 14496-12:2012
1613 if (track->par->color_primaries == AVCOL_PRI_UNSPECIFIED &&
1614 track->par->color_trc == AVCOL_TRC_UNSPECIFIED &&
1615 track->par->color_space == AVCOL_SPC_UNSPECIFIED) {
1616 if ((track->par->width >= 1920 && track->par->height >= 1080)
1617 || (track->par->width == 1280 && track->par->height == 720)) {
1618 av_log(NULL, AV_LOG_WARNING, "color primaries unspecified, assuming bt709\n");
1619 track->par->color_primaries = AVCOL_PRI_BT709;
1620 } else if (track->par->width == 720 && track->height == 576) {
1621 av_log(NULL, AV_LOG_WARNING, "color primaries unspecified, assuming bt470bg\n");
1622 track->par->color_primaries = AVCOL_PRI_BT470BG;
1623 } else if (track->par->width == 720 &&
1624 (track->height == 486 || track->height == 480)) {
1625 av_log(NULL, AV_LOG_WARNING, "color primaries unspecified, assuming smpte170\n");
1626 track->par->color_primaries = AVCOL_PRI_SMPTE170M;
1628 av_log(NULL, AV_LOG_WARNING, "color primaries unspecified, unable to assume anything\n");
1630 switch (track->par->color_primaries) {
1631 case AVCOL_PRI_BT709:
1632 track->par->color_trc = AVCOL_TRC_BT709;
1633 track->par->color_space = AVCOL_SPC_BT709;
1635 case AVCOL_PRI_SMPTE170M:
1636 case AVCOL_PRI_BT470BG:
1637 track->par->color_trc = AVCOL_TRC_BT709;
1638 track->par->color_space = AVCOL_SPC_SMPTE170M;
1643 /* We should only ever be called by MOV or MP4. */
1644 av_assert0(track->mode == MODE_MOV || track->mode == MODE_MP4);
1646 avio_wb32(pb, 18 + (track->mode == MODE_MP4));
1647 ffio_wfourcc(pb, "colr");
1648 if (track->mode == MODE_MP4)
1649 ffio_wfourcc(pb, "nclx");
1651 ffio_wfourcc(pb, "nclc");
1652 switch (track->par->color_primaries) {
1653 case AVCOL_PRI_BT709: avio_wb16(pb, 1); break;
1654 case AVCOL_PRI_SMPTE170M:
1655 case AVCOL_PRI_SMPTE240M: avio_wb16(pb, 6); break;
1656 case AVCOL_PRI_BT470BG: avio_wb16(pb, 5); break;
1657 default: avio_wb16(pb, 2);
1659 switch (track->par->color_trc) {
1660 case AVCOL_TRC_BT709: avio_wb16(pb, 1); break;
1661 case AVCOL_TRC_SMPTE170M: avio_wb16(pb, 1); break; // remapped
1662 case AVCOL_TRC_SMPTE240M: avio_wb16(pb, 7); break;
1663 default: avio_wb16(pb, 2);
1665 switch (track->par->color_space) {
1666 case AVCOL_SPC_BT709: avio_wb16(pb, 1); break;
1667 case AVCOL_SPC_BT470BG:
1668 case AVCOL_SPC_SMPTE170M: avio_wb16(pb, 6); break;
1669 case AVCOL_SPC_SMPTE240M: avio_wb16(pb, 7); break;
1670 default: avio_wb16(pb, 2);
1673 if (track->mode == MODE_MP4) {
1674 int full_range = track->par->color_range == AVCOL_RANGE_JPEG;
1675 avio_w8(pb, full_range << 7);
1682 static void find_compressor(char * compressor_name, int len, MOVTrack *track)
1684 AVDictionaryEntry *encoder;
1685 int xdcam_res = (track->par->width == 1280 && track->par->height == 720)
1686 || (track->par->width == 1440 && track->par->height == 1080)
1687 || (track->par->width == 1920 && track->par->height == 1080);
1689 if (track->mode == MODE_MOV &&
1690 (encoder = av_dict_get(track->st->metadata, "encoder", NULL, 0))) {
1691 av_strlcpy(compressor_name, encoder->value, 32);
1692 } else if (track->par->codec_id == AV_CODEC_ID_MPEG2VIDEO && xdcam_res) {
1693 int interlaced = track->par->field_order > AV_FIELD_PROGRESSIVE;
1694 AVStream *st = track->st;
1695 int rate = av_q2d(find_fps(NULL, st));
1696 av_strlcatf(compressor_name, len, "XDCAM");
1697 if (track->par->format == AV_PIX_FMT_YUV422P) {
1698 av_strlcatf(compressor_name, len, " HD422");
1699 } else if(track->par->width == 1440) {
1700 av_strlcatf(compressor_name, len, " HD");
1702 av_strlcatf(compressor_name, len, " EX");
1704 av_strlcatf(compressor_name, len, " %d%c", track->par->height, interlaced ? 'i' : 'p');
1706 av_strlcatf(compressor_name, len, "%d", rate * (interlaced + 1));
1710 static int mov_write_video_tag(AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
1712 int64_t pos = avio_tell(pb);
1713 char compressor_name[32] = { 0 };
1716 avio_wb32(pb, 0); /* size */
1717 if (mov->encryption_scheme != MOV_ENC_NONE) {
1718 ffio_wfourcc(pb, "encv");
1720 avio_wl32(pb, track->tag); // store it byteswapped
1722 avio_wb32(pb, 0); /* Reserved */
1723 avio_wb16(pb, 0); /* Reserved */
1724 avio_wb16(pb, 1); /* Data-reference index */
1726 avio_wb16(pb, 0); /* Codec stream version */
1727 avio_wb16(pb, 0); /* Codec stream revision (=0) */
1728 if (track->mode == MODE_MOV) {
1729 ffio_wfourcc(pb, "FFMP"); /* Vendor */
1730 if (track->par->codec_id == AV_CODEC_ID_RAWVIDEO) {
1731 avio_wb32(pb, 0); /* Temporal Quality */
1732 avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/
1734 avio_wb32(pb, 0x200); /* Temporal Quality = normal */
1735 avio_wb32(pb, 0x200); /* Spatial Quality = normal */
1738 avio_wb32(pb, 0); /* Reserved */
1739 avio_wb32(pb, 0); /* Reserved */
1740 avio_wb32(pb, 0); /* Reserved */
1742 avio_wb16(pb, track->par->width); /* Video width */
1743 avio_wb16(pb, track->height); /* Video height */
1744 avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */
1745 avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */
1746 avio_wb32(pb, 0); /* Data size (= 0) */
1747 avio_wb16(pb, 1); /* Frame count (= 1) */
1749 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
1750 find_compressor(compressor_name, 32, track);
1751 avio_w8(pb, strlen(compressor_name));
1752 avio_write(pb, compressor_name, 31);
1754 if (track->mode == MODE_MOV && track->par->bits_per_coded_sample)
1755 avio_wb16(pb, track->par->bits_per_coded_sample |
1756 (track->par->format == AV_PIX_FMT_GRAY8 ? 0x20 : 0));
1758 avio_wb16(pb, 0x18); /* Reserved */
1760 if (track->mode == MODE_MOV && track->par->format == AV_PIX_FMT_PAL8) {
1761 int pal_size = 1 << track->par->bits_per_coded_sample;
1763 avio_wb16(pb, 0); /* Color table ID */
1764 avio_wb32(pb, 0); /* Color table seed */
1765 avio_wb16(pb, 0x8000); /* Color table flags */
1766 avio_wb16(pb, pal_size - 1); /* Color table size (zero-relative) */
1767 for (i = 0; i < pal_size; i++) {
1768 uint32_t rgb = track->palette[i];
1769 uint16_t r = (rgb >> 16) & 0xff;
1770 uint16_t g = (rgb >> 8) & 0xff;
1771 uint16_t b = rgb & 0xff;
1773 avio_wb16(pb, (r << 8) | r);
1774 avio_wb16(pb, (g << 8) | g);
1775 avio_wb16(pb, (b << 8) | b);
1778 avio_wb16(pb, 0xffff); /* Reserved */
1780 if (track->tag == MKTAG('m','p','4','v'))
1781 mov_write_esds_tag(pb, track);
1782 else if (track->par->codec_id == AV_CODEC_ID_H263)
1783 mov_write_d263_tag(pb);
1784 else if (track->par->codec_id == AV_CODEC_ID_AVUI ||
1785 track->par->codec_id == AV_CODEC_ID_SVQ3) {
1786 mov_write_extradata_tag(pb, track);
1788 } else if (track->par->codec_id == AV_CODEC_ID_DNXHD) {
1789 mov_write_avid_tag(pb, track);
1791 } else if (track->par->codec_id == AV_CODEC_ID_HEVC)
1792 mov_write_hvcc_tag(pb, track);
1793 else if (track->par->codec_id == AV_CODEC_ID_H264 && !TAG_IS_AVCI(track->tag)) {
1794 mov_write_avcc_tag(pb, track);
1795 if (track->mode == MODE_IPOD)
1796 mov_write_uuid_tag_ipod(pb);
1797 } else if (track->par->codec_id == AV_CODEC_ID_VP9) {
1798 mov_write_vpcc_tag(mov->fc, pb, track);
1799 } else if (track->par->codec_id == AV_CODEC_ID_VC1 && track->vos_len > 0)
1800 mov_write_dvc1_tag(pb, track);
1801 else if (track->par->codec_id == AV_CODEC_ID_VP6F ||
1802 track->par->codec_id == AV_CODEC_ID_VP6A) {
1803 /* Don't write any potential extradata here - the cropping
1804 * is signalled via the normal width/height fields. */
1805 } else if (track->par->codec_id == AV_CODEC_ID_R10K) {
1806 if (track->par->codec_tag == MKTAG('R','1','0','k'))
1807 mov_write_dpxe_tag(pb, track);
1808 } else if (track->vos_len > 0)
1809 mov_write_glbl_tag(pb, track);
1811 if (track->par->codec_id != AV_CODEC_ID_H264 &&
1812 track->par->codec_id != AV_CODEC_ID_MPEG4 &&
1813 track->par->codec_id != AV_CODEC_ID_DNXHD) {
1814 int field_order = track->par->field_order;
1816 #if FF_API_LAVF_AVCTX
1817 FF_DISABLE_DEPRECATION_WARNINGS
1818 if (field_order != track->st->codec->field_order && track->st->codec->field_order != AV_FIELD_UNKNOWN)
1819 field_order = track->st->codec->field_order;
1820 FF_ENABLE_DEPRECATION_WARNINGS
1823 if (field_order != AV_FIELD_UNKNOWN)
1824 mov_write_fiel_tag(pb, track, field_order);
1827 if (mov->flags & FF_MOV_FLAG_WRITE_GAMA) {
1828 if (track->mode == MODE_MOV)
1829 mov_write_gama_tag(pb, track, mov->gamma);
1831 av_log(mov->fc, AV_LOG_WARNING, "Not writing 'gama' atom. Format is not MOV.\n");
1833 if (mov->flags & FF_MOV_FLAG_WRITE_COLR) {
1834 if (track->mode == MODE_MOV || track->mode == MODE_MP4)
1835 mov_write_colr_tag(pb, track);
1837 av_log(mov->fc, AV_LOG_WARNING, "Not writing 'colr' atom. Format is not MOV or MP4.\n");
1840 if (track->par->sample_aspect_ratio.den && track->par->sample_aspect_ratio.num &&
1841 track->par->sample_aspect_ratio.den != track->par->sample_aspect_ratio.num) {
1842 mov_write_pasp_tag(pb, track);
1845 if (mov->encryption_scheme != MOV_ENC_NONE) {
1846 ff_mov_cenc_write_sinf_tag(track, pb, mov->encryption_kid);
1849 /* extra padding for avid stsd */
1850 /* https://developer.apple.com/library/mac/documentation/QuickTime/QTFF/QTFFChap2/qtff2.html#//apple_ref/doc/uid/TP40000939-CH204-61112 */
1854 return update_size(pb, pos);
1857 static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
1859 int64_t pos = avio_tell(pb);
1860 avio_wb32(pb, 0); /* size */
1861 ffio_wfourcc(pb, "rtp ");
1862 avio_wb32(pb, 0); /* Reserved */
1863 avio_wb16(pb, 0); /* Reserved */
1864 avio_wb16(pb, 1); /* Data-reference index */
1866 avio_wb16(pb, 1); /* Hint track version */
1867 avio_wb16(pb, 1); /* Highest compatible version */
1868 avio_wb32(pb, track->max_packet_size); /* Max packet size */
1870 avio_wb32(pb, 12); /* size */
1871 ffio_wfourcc(pb, "tims");
1872 avio_wb32(pb, track->timescale);
1874 return update_size(pb, pos);
1877 static int mov_write_source_reference_tag(AVIOContext *pb, MOVTrack *track, const char *reel_name)
1879 uint64_t str_size =strlen(reel_name);
1880 int64_t pos = avio_tell(pb);
1882 if (str_size >= UINT16_MAX){
1883 av_log(NULL, AV_LOG_ERROR, "reel_name length %"PRIu64" is too large\n", str_size);
1885 return AVERROR(EINVAL);
1888 avio_wb32(pb, 0); /* size */
1889 ffio_wfourcc(pb, "name"); /* Data format */
1890 avio_wb16(pb, str_size); /* string size */
1891 avio_wb16(pb, track->language); /* langcode */
1892 avio_write(pb, reel_name, str_size); /* reel name */
1893 return update_size(pb,pos);
1896 static int mov_write_tmcd_tag(AVIOContext *pb, MOVTrack *track)
1898 int64_t pos = avio_tell(pb);
1902 AVDictionaryEntry *t = NULL;
1904 if (!track->st->avg_frame_rate.num || !track->st->avg_frame_rate.den) {
1905 #if FF_API_LAVF_AVCTX
1906 FF_DISABLE_DEPRECATION_WARNINGS
1907 frame_duration = av_rescale(track->timescale, track->st->codec->time_base.num, track->st->codec->time_base.den);
1908 nb_frames = ROUNDED_DIV(track->st->codec->time_base.den, track->st->codec->time_base.num);
1909 FF_ENABLE_DEPRECATION_WARNINGS
1911 av_log(NULL, AV_LOG_ERROR, "avg_frame_rate not set for tmcd track.\n");
1912 return AVERROR(EINVAL);
1915 frame_duration = av_rescale(track->timescale, track->st->avg_frame_rate.num, track->st->avg_frame_rate.den);
1916 nb_frames = ROUNDED_DIV(track->st->avg_frame_rate.den, track->st->avg_frame_rate.num);
1919 if (nb_frames > 255) {
1920 av_log(NULL, AV_LOG_ERROR, "fps %d is too large\n", nb_frames);
1921 return AVERROR(EINVAL);
1924 avio_wb32(pb, 0); /* size */
1925 ffio_wfourcc(pb, "tmcd"); /* Data format */
1926 avio_wb32(pb, 0); /* Reserved */
1927 avio_wb32(pb, 1); /* Data reference index */
1928 avio_wb32(pb, 0); /* Flags */
1929 avio_wb32(pb, track->timecode_flags); /* Flags (timecode) */
1930 avio_wb32(pb, track->timescale); /* Timescale */
1931 avio_wb32(pb, frame_duration); /* Frame duration */
1932 avio_w8(pb, nb_frames); /* Number of frames */
1933 avio_w8(pb, 0); /* Reserved */
1935 t = av_dict_get(track->st->metadata, "reel_name", NULL, 0);
1936 if (t && utf8len(t->value) && track->mode != MODE_MP4)
1937 mov_write_source_reference_tag(pb, track, t->value);
1939 avio_wb16(pb, 0); /* zero size */
1942 avio_wb32(pb, 0); /* size */
1943 ffio_wfourcc(pb, "tmcd"); /* Data format */
1944 avio_wb32(pb, 0); /* Reserved */
1945 avio_wb32(pb, 1); /* Data reference index */
1946 if (track->par->extradata_size)
1947 avio_write(pb, track->par->extradata, track->par->extradata_size);
1949 return update_size(pb, pos);
1952 static int mov_write_stsd_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
1954 int64_t pos = avio_tell(pb);
1955 avio_wb32(pb, 0); /* size */
1956 ffio_wfourcc(pb, "stsd");
1957 avio_wb32(pb, 0); /* version & flags */
1958 avio_wb32(pb, 1); /* entry count */
1959 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO)
1960 mov_write_video_tag(pb, mov, track);
1961 else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
1962 mov_write_audio_tag(s, pb, mov, track);
1963 else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE)
1964 mov_write_subtitle_tag(pb, track);
1965 else if (track->par->codec_tag == MKTAG('r','t','p',' '))
1966 mov_write_rtp_tag(pb, track);
1967 else if (track->par->codec_tag == MKTAG('t','m','c','d'))
1968 mov_write_tmcd_tag(pb, track);
1969 return update_size(pb, pos);
1972 static int mov_write_ctts_tag(AVIOContext *pb, MOVTrack *track)
1974 MOVStts *ctts_entries;
1975 uint32_t entries = 0;
1979 ctts_entries = av_malloc_array((track->entry + 1), sizeof(*ctts_entries)); /* worst case */
1981 return AVERROR(ENOMEM);
1982 ctts_entries[0].count = 1;
1983 ctts_entries[0].duration = track->cluster[0].cts;
1984 for (i = 1; i < track->entry; i++) {
1985 if (track->cluster[i].cts == ctts_entries[entries].duration) {
1986 ctts_entries[entries].count++; /* compress */
1989 ctts_entries[entries].duration = track->cluster[i].cts;
1990 ctts_entries[entries].count = 1;
1993 entries++; /* last one */
1994 atom_size = 16 + (entries * 8);
1995 avio_wb32(pb, atom_size); /* size */
1996 ffio_wfourcc(pb, "ctts");
1997 avio_wb32(pb, 0); /* version & flags */
1998 avio_wb32(pb, entries); /* entry count */
1999 for (i = 0; i < entries; i++) {
2000 avio_wb32(pb, ctts_entries[i].count);
2001 avio_wb32(pb, ctts_entries[i].duration);
2003 av_free(ctts_entries);
2007 /* Time to sample atom */
2008 static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
2010 MOVStts *stts_entries = NULL;
2011 uint32_t entries = -1;
2015 if (track->par->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
2016 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
2018 return AVERROR(ENOMEM);
2019 stts_entries[0].count = track->sample_count;
2020 stts_entries[0].duration = 1;
2024 stts_entries = av_malloc_array(track->entry, sizeof(*stts_entries)); /* worst case */
2026 return AVERROR(ENOMEM);
2028 for (i = 0; i < track->entry; i++) {
2029 int duration = get_cluster_duration(track, i);
2030 if (i && duration == stts_entries[entries].duration) {
2031 stts_entries[entries].count++; /* compress */
2034 stts_entries[entries].duration = duration;
2035 stts_entries[entries].count = 1;
2038 entries++; /* last one */
2040 atom_size = 16 + (entries * 8);
2041 avio_wb32(pb, atom_size); /* size */
2042 ffio_wfourcc(pb, "stts");
2043 avio_wb32(pb, 0); /* version & flags */
2044 avio_wb32(pb, entries); /* entry count */
2045 for (i = 0; i < entries; i++) {
2046 avio_wb32(pb, stts_entries[i].count);
2047 avio_wb32(pb, stts_entries[i].duration);
2049 av_free(stts_entries);
2053 static int mov_write_dref_tag(AVIOContext *pb)
2055 avio_wb32(pb, 28); /* size */
2056 ffio_wfourcc(pb, "dref");
2057 avio_wb32(pb, 0); /* version & flags */
2058 avio_wb32(pb, 1); /* entry count */
2060 avio_wb32(pb, 0xc); /* size */
2061 //FIXME add the alis and rsrc atom
2062 ffio_wfourcc(pb, "url ");
2063 avio_wb32(pb, 1); /* version & flags */
2068 static int mov_write_stbl_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
2070 int64_t pos = avio_tell(pb);
2073 avio_wb32(pb, 0); /* size */
2074 ffio_wfourcc(pb, "stbl");
2075 mov_write_stsd_tag(s, pb, mov, track);
2076 mov_write_stts_tag(pb, track);
2077 if ((track->par->codec_type == AVMEDIA_TYPE_VIDEO ||
2078 track->par->codec_tag == MKTAG('r','t','p',' ')) &&
2079 track->has_keyframes && track->has_keyframes < track->entry)
2080 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
2081 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
2082 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
2083 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO &&
2084 track->flags & MOV_TRACK_CTTS && track->entry) {
2086 if ((ret = mov_write_ctts_tag(pb, track)) < 0)
2089 mov_write_stsc_tag(pb, track);
2090 mov_write_stsz_tag(pb, track);
2091 mov_write_stco_tag(pb, track);
2092 if (mov->encryption_scheme == MOV_ENC_CENC_AES_CTR) {
2093 ff_mov_cenc_write_stbl_atoms(&track->cenc, pb);
2095 return update_size(pb, pos);
2098 static int mov_write_dinf_tag(AVIOContext *pb)
2100 int64_t pos = avio_tell(pb);
2101 avio_wb32(pb, 0); /* size */
2102 ffio_wfourcc(pb, "dinf");
2103 mov_write_dref_tag(pb);
2104 return update_size(pb, pos);
2107 static int mov_write_nmhd_tag(AVIOContext *pb)
2110 ffio_wfourcc(pb, "nmhd");
2115 static int mov_write_tcmi_tag(AVIOContext *pb, MOVTrack *track)
2117 int64_t pos = avio_tell(pb);
2118 const char *font = "Lucida Grande";
2119 avio_wb32(pb, 0); /* size */
2120 ffio_wfourcc(pb, "tcmi"); /* timecode media information atom */
2121 avio_wb32(pb, 0); /* version & flags */
2122 avio_wb16(pb, 0); /* text font */
2123 avio_wb16(pb, 0); /* text face */
2124 avio_wb16(pb, 12); /* text size */
2125 avio_wb16(pb, 0); /* (unknown, not in the QT specs...) */
2126 avio_wb16(pb, 0x0000); /* text color (red) */
2127 avio_wb16(pb, 0x0000); /* text color (green) */
2128 avio_wb16(pb, 0x0000); /* text color (blue) */
2129 avio_wb16(pb, 0xffff); /* background color (red) */
2130 avio_wb16(pb, 0xffff); /* background color (green) */
2131 avio_wb16(pb, 0xffff); /* background color (blue) */
2132 avio_w8(pb, strlen(font)); /* font len (part of the pascal string) */
2133 avio_write(pb, font, strlen(font)); /* font name */
2134 return update_size(pb, pos);
2137 static int mov_write_gmhd_tag(AVIOContext *pb, MOVTrack *track)
2139 int64_t pos = avio_tell(pb);
2140 avio_wb32(pb, 0); /* size */
2141 ffio_wfourcc(pb, "gmhd");
2142 avio_wb32(pb, 0x18); /* gmin size */
2143 ffio_wfourcc(pb, "gmin");/* generic media info */
2144 avio_wb32(pb, 0); /* version & flags */
2145 avio_wb16(pb, 0x40); /* graphics mode = */
2146 avio_wb16(pb, 0x8000); /* opColor (r?) */
2147 avio_wb16(pb, 0x8000); /* opColor (g?) */
2148 avio_wb16(pb, 0x8000); /* opColor (b?) */
2149 avio_wb16(pb, 0); /* balance */
2150 avio_wb16(pb, 0); /* reserved */
2153 * This special text atom is required for
2154 * Apple Quicktime chapters. The contents
2155 * don't appear to be documented, so the
2156 * bytes are copied verbatim.
2158 if (track->tag != MKTAG('c','6','0','8')) {
2159 avio_wb32(pb, 0x2C); /* size */
2160 ffio_wfourcc(pb, "text");
2161 avio_wb16(pb, 0x01);
2162 avio_wb32(pb, 0x00);
2163 avio_wb32(pb, 0x00);
2164 avio_wb32(pb, 0x00);
2165 avio_wb32(pb, 0x01);
2166 avio_wb32(pb, 0x00);
2167 avio_wb32(pb, 0x00);
2168 avio_wb32(pb, 0x00);
2169 avio_wb32(pb, 0x00004000);
2170 avio_wb16(pb, 0x0000);
2173 if (track->par->codec_tag == MKTAG('t','m','c','d')) {
2174 int64_t tmcd_pos = avio_tell(pb);
2175 avio_wb32(pb, 0); /* size */
2176 ffio_wfourcc(pb, "tmcd");
2177 mov_write_tcmi_tag(pb, track);
2178 update_size(pb, tmcd_pos);
2180 return update_size(pb, pos);
2183 static int mov_write_smhd_tag(AVIOContext *pb)
2185 avio_wb32(pb, 16); /* size */
2186 ffio_wfourcc(pb, "smhd");
2187 avio_wb32(pb, 0); /* version & flags */
2188 avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
2189 avio_wb16(pb, 0); /* reserved */
2193 static int mov_write_vmhd_tag(AVIOContext *pb)
2195 avio_wb32(pb, 0x14); /* size (always 0x14) */
2196 ffio_wfourcc(pb, "vmhd");
2197 avio_wb32(pb, 0x01); /* version & flags */
2198 avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
2202 static int is_clcp_track(MOVTrack *track)
2204 return track->tag == MKTAG('c','7','0','8') ||
2205 track->tag == MKTAG('c','6','0','8');
2208 static int mov_write_hdlr_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *track)
2210 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
2211 int64_t pos = avio_tell(pb);
2215 descr = "DataHandler";
2218 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
2219 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
2221 descr = "VideoHandler";
2222 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
2224 descr = "SoundHandler";
2225 } else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE) {
2226 if (is_clcp_track(track)) {
2228 descr = "ClosedCaptionHandler";
2230 if (track->tag == MKTAG('t','x','3','g')) {
2232 } else if (track->tag == MKTAG('m','p','4','s')) {
2237 descr = "SubtitleHandler";
2239 } else if (track->par->codec_tag == MKTAG('r','t','p',' ')) {
2241 descr = "HintHandler";
2242 } else if (track->par->codec_tag == MKTAG('t','m','c','d')) {
2244 descr = "TimeCodeHandler";
2247 av_get_codec_tag_string(tag_buf, sizeof(tag_buf),
2248 track->par->codec_tag);
2250 av_log(s, AV_LOG_WARNING,
2251 "Unknown hldr_type for %s / 0x%04X, writing dummy values\n",
2252 tag_buf, track->par->codec_tag);
2255 // hdlr.name is used by some players to identify the content title
2256 // of the track. So if an alternate handler description is
2257 // specified, use it.
2258 AVDictionaryEntry *t;
2259 t = av_dict_get(track->st->metadata, "handler", NULL, 0);
2260 if (t && utf8len(t->value))
2265 avio_wb32(pb, 0); /* size */
2266 ffio_wfourcc(pb, "hdlr");
2267 avio_wb32(pb, 0); /* Version & flags */
2268 avio_write(pb, hdlr, 4); /* handler */
2269 ffio_wfourcc(pb, hdlr_type); /* handler type */
2270 avio_wb32(pb, 0); /* reserved */
2271 avio_wb32(pb, 0); /* reserved */
2272 avio_wb32(pb, 0); /* reserved */
2273 if (!track || track->mode == MODE_MOV)
2274 avio_w8(pb, strlen(descr)); /* pascal string */
2275 avio_write(pb, descr, strlen(descr)); /* handler description */
2276 if (track && track->mode != MODE_MOV)
2277 avio_w8(pb, 0); /* c string */
2278 return update_size(pb, pos);
2281 static int mov_write_hmhd_tag(AVIOContext *pb)
2283 /* This atom must be present, but leaving the values at zero
2284 * seems harmless. */
2285 avio_wb32(pb, 28); /* size */
2286 ffio_wfourcc(pb, "hmhd");
2287 avio_wb32(pb, 0); /* version, flags */
2288 avio_wb16(pb, 0); /* maxPDUsize */
2289 avio_wb16(pb, 0); /* avgPDUsize */
2290 avio_wb32(pb, 0); /* maxbitrate */
2291 avio_wb32(pb, 0); /* avgbitrate */
2292 avio_wb32(pb, 0); /* reserved */
2296 static int mov_write_minf_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov, MOVTrack *track)
2298 int64_t pos = avio_tell(pb);
2301 avio_wb32(pb, 0); /* size */
2302 ffio_wfourcc(pb, "minf");
2303 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO)
2304 mov_write_vmhd_tag(pb);
2305 else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
2306 mov_write_smhd_tag(pb);
2307 else if (track->par->codec_type == AVMEDIA_TYPE_SUBTITLE) {
2308 if (track->tag == MKTAG('t','e','x','t') || is_clcp_track(track)) {
2309 mov_write_gmhd_tag(pb, track);
2311 mov_write_nmhd_tag(pb);
2313 } else if (track->tag == MKTAG('r','t','p',' ')) {
2314 mov_write_hmhd_tag(pb);
2315 } else if (track->tag == MKTAG('t','m','c','d')) {
2316 if (track->mode == MODE_MP4)
2317 mov_write_nmhd_tag(pb);
2319 mov_write_gmhd_tag(pb, track);
2321 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
2322 mov_write_hdlr_tag(s, pb, NULL);
2323 mov_write_dinf_tag(pb);
2324 if ((ret = mov_write_stbl_tag(s, pb, mov, track)) < 0)
2326 return update_size(pb, pos);
2329 static int mov_write_mdhd_tag(AVIOContext *pb, MOVMuxContext *mov,
2332 int version = track->track_duration < INT32_MAX ? 0 : 1;
2334 if (track->mode == MODE_ISM)
2337 (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
2338 ffio_wfourcc(pb, "mdhd");
2339 avio_w8(pb, version);
2340 avio_wb24(pb, 0); /* flags */
2342 avio_wb64(pb, track->time);
2343 avio_wb64(pb, track->time);
2345 avio_wb32(pb, track->time); /* creation time */
2346 avio_wb32(pb, track->time); /* modification time */
2348 avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
2349 if (!track->entry && mov->mode == MODE_ISM)
2350 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
2351 else if (!track->entry)
2352 (version == 1) ? avio_wb64(pb, 0) : avio_wb32(pb, 0);
2354 (version == 1) ? avio_wb64(pb, track->track_duration) : avio_wb32(pb, track->track_duration); /* duration */
2355 avio_wb16(pb, track->language); /* language */
2356 avio_wb16(pb, 0); /* reserved (quality) */
2358 if (version != 0 && track->mode == MODE_MOV) {
2359 av_log(NULL, AV_LOG_ERROR,
2360 "FATAL error, file duration too long for timebase, this file will not be\n"
2361 "playable with quicktime. Choose a different timebase or a different\n"
2362 "container format\n");
2368 static int mov_write_mdia_tag(AVFormatContext *s, AVIOContext *pb,
2369 MOVMuxContext *mov, MOVTrack *track)
2371 int64_t pos = avio_tell(pb);
2374 avio_wb32(pb, 0); /* size */
2375 ffio_wfourcc(pb, "mdia");
2376 mov_write_mdhd_tag(pb, mov, track);
2377 mov_write_hdlr_tag(s, pb, track);
2378 if ((ret = mov_write_minf_tag(s, pb, mov, track)) < 0)
2380 return update_size(pb, pos);
2383 /* transformation matrix
2387 static void write_matrix(AVIOContext *pb, int16_t a, int16_t b, int16_t c,
2388 int16_t d, int16_t tx, int16_t ty)
2390 avio_wb32(pb, a << 16); /* 16.16 format */
2391 avio_wb32(pb, b << 16); /* 16.16 format */
2392 avio_wb32(pb, 0); /* u in 2.30 format */
2393 avio_wb32(pb, c << 16); /* 16.16 format */
2394 avio_wb32(pb, d << 16); /* 16.16 format */
2395 avio_wb32(pb, 0); /* v in 2.30 format */
2396 avio_wb32(pb, tx << 16); /* 16.16 format */
2397 avio_wb32(pb, ty << 16); /* 16.16 format */
2398 avio_wb32(pb, 1 << 30); /* w in 2.30 format */
2401 static int mov_write_tkhd_tag(AVIOContext *pb, MOVMuxContext *mov,
2402 MOVTrack *track, AVStream *st)
2404 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
2405 track->timescale, AV_ROUND_UP);
2406 int version = duration < INT32_MAX ? 0 : 1;
2407 int flags = MOV_TKHD_FLAG_IN_MOVIE;
2411 uint32_t *display_matrix = NULL;
2412 int display_matrix_size, i;
2415 if (mov->per_stream_grouping)
2418 group = st->codecpar->codec_type;
2420 display_matrix = (uint32_t*)av_stream_get_side_data(st, AV_PKT_DATA_DISPLAYMATRIX,
2421 &display_matrix_size);
2422 if (display_matrix && display_matrix_size < 9 * sizeof(*display_matrix))
2423 display_matrix = NULL;
2426 if (track->flags & MOV_TRACK_ENABLED)
2427 flags |= MOV_TKHD_FLAG_ENABLED;
2429 if (track->mode == MODE_ISM)
2432 (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
2433 ffio_wfourcc(pb, "tkhd");
2434 avio_w8(pb, version);
2435 avio_wb24(pb, flags);
2437 avio_wb64(pb, track->time);
2438 avio_wb64(pb, track->time);
2440 avio_wb32(pb, track->time); /* creation time */
2441 avio_wb32(pb, track->time); /* modification time */
2443 avio_wb32(pb, track->track_id); /* track-id */
2444 avio_wb32(pb, 0); /* reserved */
2445 if (!track->entry && mov->mode == MODE_ISM)
2446 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
2447 else if (!track->entry)
2448 (version == 1) ? avio_wb64(pb, 0) : avio_wb32(pb, 0);
2450 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
2452 avio_wb32(pb, 0); /* reserved */
2453 avio_wb32(pb, 0); /* reserved */
2454 avio_wb16(pb, 0); /* layer */
2455 avio_wb16(pb, group); /* alternate group) */
2456 /* Volume, only for audio */
2457 if (track->par->codec_type == AVMEDIA_TYPE_AUDIO)
2458 avio_wb16(pb, 0x0100);
2461 avio_wb16(pb, 0); /* reserved */
2463 /* Matrix structure */
2464 if (st && st->metadata) {
2465 AVDictionaryEntry *rot = av_dict_get(st->metadata, "rotate", NULL, 0);
2466 rotation = (rot && rot->value) ? atoi(rot->value) : 0;
2468 if (display_matrix) {
2469 for (i = 0; i < 9; i++)
2470 avio_wb32(pb, display_matrix[i]);
2471 } else if (rotation == 90) {
2472 write_matrix(pb, 0, 1, -1, 0, track->par->height, 0);
2473 } else if (rotation == 180) {
2474 write_matrix(pb, -1, 0, 0, -1, track->par->width, track->par->height);
2475 } else if (rotation == 270) {
2476 write_matrix(pb, 0, -1, 1, 0, 0, track->par->width);
2478 write_matrix(pb, 1, 0, 0, 1, 0, 0);
2480 /* Track width and height, for visual only */
2481 if (st && (track->par->codec_type == AVMEDIA_TYPE_VIDEO ||
2482 track->par->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
2483 int64_t track_width_1616;
2484 if (track->mode == MODE_MOV) {
2485 track_width_1616 = track->par->width * 0x10000ULL;
2487 track_width_1616 = av_rescale(st->sample_aspect_ratio.num,
2488 track->par->width * 0x10000LL,
2489 st->sample_aspect_ratio.den);
2490 if (!track_width_1616 ||
2491 track->height != track->par->height ||
2492 track_width_1616 > UINT32_MAX)
2493 track_width_1616 = track->par->width * 0x10000ULL;
2495 if (track_width_1616 > UINT32_MAX) {
2496 av_log(mov->fc, AV_LOG_WARNING, "track width is too large\n");
2497 track_width_1616 = 0;
2499 avio_wb32(pb, track_width_1616);
2500 if (track->height > 0xFFFF) {
2501 av_log(mov->fc, AV_LOG_WARNING, "track height is too large\n");
2504 avio_wb32(pb, track->height * 0x10000U);
2512 static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
2514 int32_t width = av_rescale(track->par->sample_aspect_ratio.num, track->par->width,
2515 track->par->sample_aspect_ratio.den);
2517 int64_t pos = avio_tell(pb);
2519 avio_wb32(pb, 0); /* size */
2520 ffio_wfourcc(pb, "tapt");
2523 ffio_wfourcc(pb, "clef");
2525 avio_wb32(pb, width << 16);
2526 avio_wb32(pb, track->par->height << 16);
2529 ffio_wfourcc(pb, "prof");
2531 avio_wb32(pb, width << 16);
2532 avio_wb32(pb, track->par->height << 16);
2535 ffio_wfourcc(pb, "enof");
2537 avio_wb32(pb, track->par->width << 16);
2538 avio_wb32(pb, track->par->height << 16);
2540 return update_size(pb, pos);
2543 // This box seems important for the psp playback ... without it the movie seems to hang
2544 static int mov_write_edts_tag(AVIOContext *pb, MOVMuxContext *mov,
2547 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
2548 track->timescale, AV_ROUND_UP);
2549 int version = duration < INT32_MAX ? 0 : 1;
2550 int entry_size, entry_count, size;
2551 int64_t delay, start_ct = track->start_cts;
2552 int64_t start_dts = track->start_dts;
2555 if (start_dts != track->cluster[0].dts || start_ct != track->cluster[0].cts) {
2557 av_log(mov->fc, AV_LOG_DEBUG,
2558 "EDTS using dts:%"PRId64" cts:%d instead of dts:%"PRId64" cts:%"PRId64" tid:%d\n",
2559 track->cluster[0].dts, track->cluster[0].cts,
2560 start_dts, start_ct, track->track_id);
2561 start_dts = track->cluster[0].dts;
2562 start_ct = track->cluster[0].cts;
2566 delay = av_rescale_rnd(start_dts + start_ct, MOV_TIMESCALE,
2567 track->timescale, AV_ROUND_DOWN);
2568 version |= delay < INT32_MAX ? 0 : 1;
2570 entry_size = (version == 1) ? 20 : 12;
2571 entry_count = 1 + (delay > 0);
2572 size = 24 + entry_count * entry_size;
2574 /* write the atom data */
2575 avio_wb32(pb, size);
2576 ffio_wfourcc(pb, "edts");
2577 avio_wb32(pb, size - 8);
2578 ffio_wfourcc(pb, "elst");
2579 avio_w8(pb, version);
2580 avio_wb24(pb, 0); /* flags */
2582 avio_wb32(pb, entry_count);
2583 if (delay > 0) { /* add an empty edit to delay presentation */
2584 /* In the positive delay case, the delay includes the cts
2585 * offset, and the second edit list entry below trims out
2586 * the same amount from the actual content. This makes sure
2587 * that the offset last sample is included in the edit
2588 * list duration as well. */
2590 avio_wb64(pb, delay);
2593 avio_wb32(pb, delay);
2596 avio_wb32(pb, 0x00010000);
2598 /* Avoid accidentally ending up with start_ct = -1 which has got a
2599 * special meaning. Normally start_ct should end up positive or zero
2600 * here, but use FFMIN in case dts is a small positive integer
2601 * rounded to 0 when represented in MOV_TIMESCALE units. */
2602 av_assert0(av_rescale_rnd(start_dts, MOV_TIMESCALE, track->timescale, AV_ROUND_DOWN) <= 0);
2603 start_ct = -FFMIN(start_dts, 0);
2604 /* Note, this delay is calculated from the pts of the first sample,
2605 * ensuring that we don't reduce the duration for cases with
2610 /* For fragmented files, we don't know the full length yet. Setting
2611 * duration to 0 allows us to only specify the offset, including
2612 * the rest of the content (from all future fragments) without specifying
2613 * an explicit duration. */
2614 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
2619 avio_wb64(pb, duration);
2620 avio_wb64(pb, start_ct);
2622 avio_wb32(pb, duration);
2623 avio_wb32(pb, start_ct);
2625 avio_wb32(pb, 0x00010000);
2629 static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
2631 avio_wb32(pb, 20); // size
2632 ffio_wfourcc(pb, "tref");
2633 avio_wb32(pb, 12); // size (subatom)
2634 avio_wl32(pb, track->tref_tag);
2635 avio_wb32(pb, track->tref_id);
2639 // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
2640 static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
2642 avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
2643 ffio_wfourcc(pb, "uuid");
2644 ffio_wfourcc(pb, "USMT");
2645 avio_wb32(pb, 0x21d24fce);
2646 avio_wb32(pb, 0xbb88695c);
2647 avio_wb32(pb, 0xfac9c740);
2648 avio_wb32(pb, 0x1c); // another size here!
2649 ffio_wfourcc(pb, "MTDT");
2650 avio_wb32(pb, 0x00010012);
2651 avio_wb32(pb, 0x0a);
2652 avio_wb32(pb, 0x55c40000);
2658 static int mov_write_udta_sdp(AVIOContext *pb, MOVTrack *track)
2660 AVFormatContext *ctx = track->rtp_ctx;
2661 char buf[1000] = "";
2664 ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0], track->src_track,
2665 NULL, NULL, 0, 0, ctx);
2666 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", track->track_id);
2669 avio_wb32(pb, len + 24);
2670 ffio_wfourcc(pb, "udta");
2671 avio_wb32(pb, len + 16);
2672 ffio_wfourcc(pb, "hnti");
2673 avio_wb32(pb, len + 8);
2674 ffio_wfourcc(pb, "sdp ");
2675 avio_write(pb, buf, len);
2679 static int mov_write_track_metadata(AVIOContext *pb, AVStream *st,
2680 const char *tag, const char *str)
2682 int64_t pos = avio_tell(pb);
2683 AVDictionaryEntry *t = av_dict_get(st->metadata, str, NULL, 0);
2684 if (!t || !utf8len(t->value))
2687 avio_wb32(pb, 0); /* size */
2688 ffio_wfourcc(pb, tag); /* type */
2689 avio_write(pb, t->value, strlen(t->value)); /* UTF8 string value */
2690 return update_size(pb, pos);
2693 static int mov_write_track_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
2696 AVIOContext *pb_buf;
2703 ret = avio_open_dyn_buf(&pb_buf);
2707 if (mov->mode & MODE_MP4)
2708 mov_write_track_metadata(pb_buf, st, "name", "title");
2710 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
2711 avio_wb32(pb, size + 8);
2712 ffio_wfourcc(pb, "udta");
2713 avio_write(pb, buf, size);
2720 static int mov_write_trak_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContext *mov,
2721 MOVTrack *track, AVStream *st)
2723 int64_t pos = avio_tell(pb);
2724 int entry_backup = track->entry;
2725 int chunk_backup = track->chunkCount;
2728 /* If we want to have an empty moov, but some samples already have been
2729 * buffered (delay_moov), pretend that no samples have been written yet. */
2730 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV)
2731 track->chunkCount = track->entry = 0;
2733 avio_wb32(pb, 0); /* size */
2734 ffio_wfourcc(pb, "trak");
2735 mov_write_tkhd_tag(pb, mov, track, st);
2737 av_assert2(mov->use_editlist >= 0);
2739 if (track->start_dts != AV_NOPTS_VALUE) {
2740 if (mov->use_editlist)
2741 mov_write_edts_tag(pb, mov, track); // PSP Movies and several other cases require edts box
2742 else if ((track->entry && track->cluster[0].dts) || track->mode == MODE_PSP || is_clcp_track(track))
2743 av_log(mov->fc, AV_LOG_WARNING,
2744 "Not writing any edit list even though one would have been required\n");
2747 if (track->tref_tag)
2748 mov_write_tref_tag(pb, track);
2750 if ((ret = mov_write_mdia_tag(s, pb, mov, track)) < 0)
2752 if (track->mode == MODE_PSP)
2753 mov_write_uuid_tag_psp(pb, track); // PSP Movies require this uuid box
2754 if (track->tag == MKTAG('r','t','p',' '))
2755 mov_write_udta_sdp(pb, track);
2756 if (track->mode == MODE_MOV) {
2757 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
2758 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
2759 if (st->sample_aspect_ratio.num && 1.0 != sample_aspect_ratio) {
2760 mov_write_tapt_tag(pb, track);
2763 if (is_clcp_track(track) && st->sample_aspect_ratio.num) {
2764 mov_write_tapt_tag(pb, track);
2767 mov_write_track_udta_tag(pb, mov, st);
2768 track->entry = entry_backup;
2769 track->chunkCount = chunk_backup;
2770 return update_size(pb, pos);
2773 static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
2775 int i, has_audio = 0, has_video = 0;
2776 int64_t pos = avio_tell(pb);
2777 int audio_profile = mov->iods_audio_profile;
2778 int video_profile = mov->iods_video_profile;
2779 for (i = 0; i < mov->nb_streams; i++) {
2780 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
2781 has_audio |= mov->tracks[i].par->codec_type == AVMEDIA_TYPE_AUDIO;
2782 has_video |= mov->tracks[i].par->codec_type == AVMEDIA_TYPE_VIDEO;
2785 if (audio_profile < 0)
2786 audio_profile = 0xFF - has_audio;
2787 if (video_profile < 0)
2788 video_profile = 0xFF - has_video;
2789 avio_wb32(pb, 0x0); /* size */
2790 ffio_wfourcc(pb, "iods");
2791 avio_wb32(pb, 0); /* version & flags */
2792 put_descr(pb, 0x10, 7);
2793 avio_wb16(pb, 0x004f);
2796 avio_w8(pb, audio_profile);
2797 avio_w8(pb, video_profile);
2799 return update_size(pb, pos);
2802 static int mov_write_trex_tag(AVIOContext *pb, MOVTrack *track)
2804 avio_wb32(pb, 0x20); /* size */
2805 ffio_wfourcc(pb, "trex");
2806 avio_wb32(pb, 0); /* version & flags */
2807 avio_wb32(pb, track->track_id); /* track ID */
2808 avio_wb32(pb, 1); /* default sample description index */
2809 avio_wb32(pb, 0); /* default sample duration */
2810 avio_wb32(pb, 0); /* default sample size */
2811 avio_wb32(pb, 0); /* default sample flags */
2815 static int mov_write_mvex_tag(AVIOContext *pb, MOVMuxContext *mov)
2817 int64_t pos = avio_tell(pb);
2819 avio_wb32(pb, 0x0); /* size */
2820 ffio_wfourcc(pb, "mvex");
2821 for (i = 0; i < mov->nb_streams; i++)
2822 mov_write_trex_tag(pb, &mov->tracks[i]);
2823 return update_size(pb, pos);
2826 static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
2828 int max_track_id = 1, i;
2829 int64_t max_track_len = 0;
2832 for (i = 0; i < mov->nb_streams; i++) {
2833 if (mov->tracks[i].entry > 0 && mov->tracks[i].timescale) {
2834 int64_t max_track_len_temp = av_rescale_rnd(mov->tracks[i].track_duration,
2836 mov->tracks[i].timescale,
2838 if (max_track_len < max_track_len_temp)
2839 max_track_len = max_track_len_temp;
2840 if (max_track_id < mov->tracks[i].track_id)
2841 max_track_id = mov->tracks[i].track_id;
2844 /* If using delay_moov, make sure the output is the same as if no
2845 * samples had been written yet. */
2846 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
2851 version = max_track_len < UINT32_MAX ? 0 : 1;
2852 avio_wb32(pb, version == 1 ? 120 : 108); /* size */
2854 ffio_wfourcc(pb, "mvhd");
2855 avio_w8(pb, version);
2856 avio_wb24(pb, 0); /* flags */
2858 avio_wb64(pb, mov->time);
2859 avio_wb64(pb, mov->time);
2861 avio_wb32(pb, mov->time); /* creation time */
2862 avio_wb32(pb, mov->time); /* modification time */
2864 avio_wb32(pb, MOV_TIMESCALE);
2865 (version == 1) ? avio_wb64(pb, max_track_len) : avio_wb32(pb, max_track_len); /* duration of longest track */
2867 avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
2868 avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
2869 avio_wb16(pb, 0); /* reserved */
2870 avio_wb32(pb, 0); /* reserved */
2871 avio_wb32(pb, 0); /* reserved */
2873 /* Matrix structure */
2874 write_matrix(pb, 1, 0, 0, 1, 0, 0);
2876 avio_wb32(pb, 0); /* reserved (preview time) */
2877 avio_wb32(pb, 0); /* reserved (preview duration) */
2878 avio_wb32(pb, 0); /* reserved (poster time) */
2879 avio_wb32(pb, 0); /* reserved (selection time) */
2880 avio_wb32(pb, 0); /* reserved (selection duration) */
2881 avio_wb32(pb, 0); /* reserved (current time) */
2882 avio_wb32(pb, max_track_id + 1); /* Next track id */
2886 static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
2889 avio_wb32(pb, 33); /* size */
2890 ffio_wfourcc(pb, "hdlr");
2893 ffio_wfourcc(pb, "mdir");
2894 ffio_wfourcc(pb, "appl");
2901 /* helper function to write a data tag with the specified string as data */
2902 static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
2905 int size = 16 + strlen(data);
2906 avio_wb32(pb, size); /* size */
2907 ffio_wfourcc(pb, "data");
2910 avio_write(pb, data, strlen(data));
2914 lang = ff_mov_iso639_to_lang("und", 1);
2915 avio_wb16(pb, strlen(data)); /* string length */
2916 avio_wb16(pb, lang);
2917 avio_write(pb, data, strlen(data));
2918 return strlen(data) + 4;
2922 static int mov_write_string_tag(AVIOContext *pb, const char *name,
2923 const char *value, int lang, int long_style)
2926 if (value && value[0]) {
2927 int64_t pos = avio_tell(pb);
2928 avio_wb32(pb, 0); /* size */
2929 ffio_wfourcc(pb, name);
2930 mov_write_string_data_tag(pb, value, lang, long_style);
2931 size = update_size(pb, pos);
2936 static AVDictionaryEntry *get_metadata_lang(AVFormatContext *s,
2937 const char *tag, int *lang)
2940 AVDictionaryEntry *t, *t2 = NULL;
2945 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
2948 len = strlen(t->key);
2949 snprintf(tag2, sizeof(tag2), "%s-", tag);
2950 while ((t2 = av_dict_get(s->metadata, tag2, t2, AV_DICT_IGNORE_SUFFIX))) {
2951 len2 = strlen(t2->key);
2952 if (len2 == len + 4 && !strcmp(t->value, t2->value)
2953 && (l = ff_mov_iso639_to_lang(&t2->key[len2 - 3], 1)) >= 0) {
2961 static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
2962 const char *name, const char *tag,
2966 AVDictionaryEntry *t = get_metadata_lang(s, tag, &lang);
2969 return mov_write_string_tag(pb, name, t->value, lang, long_style);
2972 /* iTunes bpm number */
2973 static int mov_write_tmpo_tag(AVIOContext *pb, AVFormatContext *s)
2975 AVDictionaryEntry *t = av_dict_get(s->metadata, "tmpo", NULL, 0);
2976 int size = 0, tmpo = t ? atoi(t->value) : 0;
2979 avio_wb32(pb, size);
2980 ffio_wfourcc(pb, "tmpo");
2981 avio_wb32(pb, size-8); /* size */
2982 ffio_wfourcc(pb, "data");
2983 avio_wb32(pb, 0x15); //type specifier
2985 avio_wb16(pb, tmpo); // data
2990 /* 3GPP TS 26.244 */
2991 static int mov_write_loci_tag(AVFormatContext *s, AVIOContext *pb)
2994 int64_t pos = avio_tell(pb);
2995 double latitude, longitude, altitude;
2996 int32_t latitude_fix, longitude_fix, altitude_fix;
2997 AVDictionaryEntry *t = get_metadata_lang(s, "location", &lang);
2998 const char *ptr, *place = "";
3000 static const char *astronomical_body = "earth";
3005 longitude = strtod(ptr, &end);
3007 av_log(s, AV_LOG_WARNING, "malformed location metadata\n");
3011 latitude = strtod(ptr, &end);
3013 av_log(s, AV_LOG_WARNING, "malformed location metadata\n");
3017 altitude = strtod(ptr, &end);
3018 /* If no altitude was present, the default 0 should be fine */
3022 latitude_fix = (int32_t) ((1 << 16) * latitude);
3023 longitude_fix = (int32_t) ((1 << 16) * longitude);
3024 altitude_fix = (int32_t) ((1 << 16) * altitude);
3026 avio_wb32(pb, 0); /* size */
3027 ffio_wfourcc(pb, "loci"); /* type */
3028 avio_wb32(pb, 0); /* version + flags */
3029 avio_wb16(pb, lang);
3030 avio_write(pb, place, strlen(place) + 1);
3031 avio_w8(pb, 0); /* role of place (0 == shooting location, 1 == real location, 2 == fictional location) */
3032 avio_wb32(pb, latitude_fix);
3033 avio_wb32(pb, longitude_fix);
3034 avio_wb32(pb, altitude_fix);
3035 avio_write(pb, astronomical_body, strlen(astronomical_body) + 1);
3036 avio_w8(pb, 0); /* additional notes, null terminated string */
3038 return update_size(pb, pos);
3041 /* iTunes track or disc number */
3042 static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
3043 AVFormatContext *s, int disc)
3045 AVDictionaryEntry *t = av_dict_get(s->metadata,
3046 disc ? "disc" : "track",
3048 int size = 0, track = t ? atoi(t->value) : 0;
3051 char *slash = strchr(t->value, '/');
3053 tracks = atoi(slash + 1);
3054 avio_wb32(pb, 32); /* size */
3055 ffio_wfourcc(pb, disc ? "disk" : "trkn");
3056 avio_wb32(pb, 24); /* size */
3057 ffio_wfourcc(pb, "data");
3058 avio_wb32(pb, 0); // 8 bytes empty
3060 avio_wb16(pb, 0); // empty
3061 avio_wb16(pb, track); // track / disc number
3062 avio_wb16(pb, tracks); // total track / disc number
3063 avio_wb16(pb, 0); // empty
3069 static int mov_write_int8_metadata(AVFormatContext *s, AVIOContext *pb,
3070 const char *name, const char *tag,
3073 AVDictionaryEntry *t = NULL;
3075 int size = 24 + len;
3077 if (len != 1 && len != 4)
3080 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
3082 num = atoi(t->value);
3084 avio_wb32(pb, size);
3085 ffio_wfourcc(pb, name);
3086 avio_wb32(pb, size - 8);
3087 ffio_wfourcc(pb, "data");
3088 avio_wb32(pb, 0x15);
3090 if (len==4) avio_wb32(pb, num);
3091 else avio_w8 (pb, num);
3096 /* iTunes meta data list */
3097 static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
3100 int64_t pos = avio_tell(pb);
3101 avio_wb32(pb, 0); /* size */
3102 ffio_wfourcc(pb, "ilst");
3103 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
3104 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
3105 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
3106 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
3107 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
3108 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
3109 if (!mov_write_string_metadata(s, pb, "\251too", "encoding_tool", 1)) {
3110 if (!(s->flags & AVFMT_FLAG_BITEXACT))
3111 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
3113 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
3114 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
3115 mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1);
3116 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
3117 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
3118 mov_write_string_metadata(s, pb, "desc", "description",1);
3119 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
3120 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
3121 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
3122 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
3123 mov_write_int8_metadata (s, pb, "tves", "episode_sort",4);
3124 mov_write_int8_metadata (s, pb, "tvsn", "season_number",4);
3125 mov_write_int8_metadata (s, pb, "stik", "media_type",1);
3126 mov_write_int8_metadata (s, pb, "hdvd", "hd_video", 1);
3127 mov_write_int8_metadata (s, pb, "pgap", "gapless_playback",1);
3128 mov_write_int8_metadata (s, pb, "cpil", "compilation", 1);
3129 mov_write_trkn_tag(pb, mov, s, 0); // track number
3130 mov_write_trkn_tag(pb, mov, s, 1); // disc number
3131 mov_write_tmpo_tag(pb, s);
3132 return update_size(pb, pos);
3135 static int mov_write_mdta_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
3138 avio_wb32(pb, 33); /* size */
3139 ffio_wfourcc(pb, "hdlr");
3142 ffio_wfourcc(pb, "mdta");
3150 static int mov_write_mdta_keys_tag(AVIOContext *pb, MOVMuxContext *mov,
3153 AVDictionaryEntry *t = NULL;
3154 int64_t pos = avio_tell(pb);
3155 int64_t curpos, entry_pos;
3158 avio_wb32(pb, 0); /* size */
3159 ffio_wfourcc(pb, "keys");
3161 entry_pos = avio_tell(pb);
3162 avio_wb32(pb, 0); /* entry count */
3164 while (t = av_dict_get(s->metadata, "", t, AV_DICT_IGNORE_SUFFIX)) {
3165 avio_wb32(pb, strlen(t->key) + 8);
3166 ffio_wfourcc(pb, "mdta");
3167 avio_write(pb, t->key, strlen(t->key));
3170 curpos = avio_tell(pb);
3171 avio_seek(pb, entry_pos, SEEK_SET);
3172 avio_wb32(pb, count); // rewrite entry count
3173 avio_seek(pb, curpos, SEEK_SET);
3175 return update_size(pb, pos);
3178 static int mov_write_mdta_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
3181 AVDictionaryEntry *t = NULL;
3182 int64_t pos = avio_tell(pb);
3183 int count = 1; /* keys are 1-index based */
3185 avio_wb32(pb, 0); /* size */
3186 ffio_wfourcc(pb, "ilst");
3188 while (t = av_dict_get(s->metadata, "", t, AV_DICT_IGNORE_SUFFIX)) {
3189 int64_t entry_pos = avio_tell(pb);
3190 avio_wb32(pb, 0); /* size */
3191 avio_wb32(pb, count); /* key */
3192 mov_write_string_data_tag(pb, t->value, 0, 1);
3193 update_size(pb, entry_pos);
3196 return update_size(pb, pos);
3199 /* meta data tags */
3200 static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
3204 int64_t pos = avio_tell(pb);
3205 avio_wb32(pb, 0); /* size */
3206 ffio_wfourcc(pb, "meta");
3208 if (mov->flags & FF_MOV_FLAG_USE_MDTA) {
3209 mov_write_mdta_hdlr_tag(pb, mov, s);
3210 mov_write_mdta_keys_tag(pb, mov, s);
3211 mov_write_mdta_ilst_tag(pb, mov, s);
3214 /* iTunes metadata tag */
3215 mov_write_itunes_hdlr_tag(pb, mov, s);
3216 mov_write_ilst_tag(pb, mov, s);
3218 size = update_size(pb, pos);
3222 static int mov_write_raw_metadata_tag(AVFormatContext *s, AVIOContext *pb,
3223 const char *name, const char *key)
3226 AVDictionaryEntry *t;
3228 if (!(t = av_dict_get(s->metadata, key, NULL, 0)))
3231 len = strlen(t->value);
3234 avio_wb32(pb, size);
3235 ffio_wfourcc(pb, name);
3236 avio_write(pb, t->value, len);
3242 static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
3246 GET_UTF8(val, *b++, return -1;)
3249 avio_wb16(pb, 0x00);
3253 static uint16_t language_code(const char *str)
3255 return (((str[0] - 0x60) & 0x1F) << 10) +
3256 (((str[1] - 0x60) & 0x1F) << 5) +
3257 (( str[2] - 0x60) & 0x1F);
3260 static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
3261 const char *tag, const char *str)
3263 int64_t pos = avio_tell(pb);
3264 AVDictionaryEntry *t = av_dict_get(s->metadata, str, NULL, 0);
3265 if (!t || !utf8len(t->value))
3267 avio_wb32(pb, 0); /* size */
3268 ffio_wfourcc(pb, tag); /* type */
3269 avio_wb32(pb, 0); /* version + flags */
3270 if (!strcmp(tag, "yrrc"))
3271 avio_wb16(pb, atoi(t->value));
3273 avio_wb16(pb, language_code("eng")); /* language */
3274 avio_write(pb, t->value, strlen(t->value) + 1); /* UTF8 string value */
3275 if (!strcmp(tag, "albm") &&
3276 (t = av_dict_get(s->metadata, "track", NULL, 0)))
3277 avio_w8(pb, atoi(t->value));
3279 return update_size(pb, pos);
3282 static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
3284 int64_t pos = avio_tell(pb);
3285 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
3287 avio_wb32(pb, 0); // size
3288 ffio_wfourcc(pb, "chpl");
3289 avio_wb32(pb, 0x01000000); // version + flags
3290 avio_wb32(pb, 0); // unknown
3291 avio_w8(pb, nb_chapters);
3293 for (i = 0; i < nb_chapters; i++) {
3294 AVChapter *c = s->chapters[i];
3295 AVDictionaryEntry *t;
3296 avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
3298 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
3299 int len = FFMIN(strlen(t->value), 255);
3301 avio_write(pb, t->value, len);
3305 return update_size(pb, pos);
3308 static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
3311 AVIOContext *pb_buf;
3315 ret = avio_open_dyn_buf(&pb_buf);
3319 if (mov->mode & MODE_3GP) {
3320 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
3321 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
3322 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
3323 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
3324 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
3325 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
3326 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
3327 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
3328 mov_write_loci_tag(s, pb_buf);
3329 } else if (mov->mode == MODE_MOV && !(mov->flags & FF_MOV_FLAG_USE_MDTA)) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
3330 mov_write_string_metadata(s, pb_buf, "\251ART", "artist", 0);
3331 mov_write_string_metadata(s, pb_buf, "\251nam", "title", 0);
3332 mov_write_string_metadata(s, pb_buf, "\251aut", "author", 0);
3333 mov_write_string_metadata(s, pb_buf, "\251alb", "album", 0);
3334 mov_write_string_metadata(s, pb_buf, "\251day", "date", 0);
3335 mov_write_string_metadata(s, pb_buf, "\251swr", "encoder", 0);
3336 // currently ignored by mov.c
3337 mov_write_string_metadata(s, pb_buf, "\251des", "comment", 0);
3338 // add support for libquicktime, this atom is also actually read by mov.c
3339 mov_write_string_metadata(s, pb_buf, "\251cmt", "comment", 0);
3340 mov_write_string_metadata(s, pb_buf, "\251gen", "genre", 0);
3341 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright", 0);
3342 mov_write_string_metadata(s, pb_buf, "\251mak", "make", 0);
3343 mov_write_string_metadata(s, pb_buf, "\251mod", "model", 0);
3344 mov_write_string_metadata(s, pb_buf, "\251xyz", "location", 0);
3345 mov_write_raw_metadata_tag(s, pb_buf, "XMP_", "xmp");
3347 /* iTunes meta data */
3348 mov_write_meta_tag(pb_buf, mov, s);
3349 mov_write_loci_tag(s, pb_buf);
3352 if (s->nb_chapters && !(mov->flags & FF_MOV_FLAG_DISABLE_CHPL))
3353 mov_write_chpl_tag(pb_buf, s);
3355 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
3356 avio_wb32(pb, size + 8);
3357 ffio_wfourcc(pb, "udta");
3358 avio_write(pb, buf, size);
3365 static void mov_write_psp_udta_tag(AVIOContext *pb,
3366 const char *str, const char *lang, int type)
3368 int len = utf8len(str) + 1;
3371 avio_wb16(pb, len * 2 + 10); /* size */
3372 avio_wb32(pb, type); /* type */
3373 avio_wb16(pb, language_code(lang)); /* language */
3374 avio_wb16(pb, 0x01); /* ? */
3375 ascii_to_wc(pb, str);
3378 static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
3380 AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0);
3384 pos = avio_tell(pb);
3385 avio_wb32(pb, 0); /* size placeholder*/
3386 ffio_wfourcc(pb, "uuid");
3387 ffio_wfourcc(pb, "USMT");
3388 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
3389 avio_wb32(pb, 0xbb88695c);
3390 avio_wb32(pb, 0xfac9c740);
3392 pos2 = avio_tell(pb);
3393 avio_wb32(pb, 0); /* size placeholder*/
3394 ffio_wfourcc(pb, "MTDT");
3398 avio_wb16(pb, 0x0C); /* size */
3399 avio_wb32(pb, 0x0B); /* type */
3400 avio_wb16(pb, language_code("und")); /* language */
3401 avio_wb16(pb, 0x0); /* ? */
3402 avio_wb16(pb, 0x021C); /* data */
3404 if (!(s->flags & AVFMT_FLAG_BITEXACT))
3405 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
3406 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
3407 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
3409 update_size(pb, pos2);
3410 return update_size(pb, pos);
3416 static void build_chunks(MOVTrack *trk)
3419 MOVIentry *chunk = &trk->cluster[0];
3420 uint64_t chunkSize = chunk->size;
3421 chunk->chunkNum = 1;
3422 if (trk->chunkCount)
3424 trk->chunkCount = 1;
3425 for (i = 1; i<trk->entry; i++){
3426 if (chunk->pos + chunkSize == trk->cluster[i].pos &&
3427 chunkSize + trk->cluster[i].size < (1<<20)){
3428 chunkSize += trk->cluster[i].size;
3429 chunk->samples_in_chunk += trk->cluster[i].entries;
3431 trk->cluster[i].chunkNum = chunk->chunkNum+1;
3432 chunk=&trk->cluster[i];
3433 chunkSize = chunk->size;
3440 * Assign track ids. If option "use_stream_ids_as_track_ids" is set,
3441 * the stream ids are used as track ids.
3443 * This assumes mov->tracks and s->streams are in the same order and
3444 * there are no gaps in either of them (so mov->tracks[n] refers to
3447 * As an exception, there can be more entries in
3448 * s->streams than in mov->tracks, in which case new track ids are
3449 * generated (starting after the largest found stream id).
3451 static int mov_setup_track_ids(MOVMuxContext *mov, AVFormatContext *s)
3455 if (mov->track_ids_ok)
3458 if (mov->use_stream_ids_as_track_ids) {
3459 int next_generated_track_id = 0;
3460 for (i = 0; i < s->nb_streams; i++) {
3461 if (s->streams[i]->id > next_generated_track_id)
3462 next_generated_track_id = s->streams[i]->id;
3465 for (i = 0; i < mov->nb_streams; i++) {
3466 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
3469 mov->tracks[i].track_id = i >= s->nb_streams ? ++next_generated_track_id : s->streams[i]->id;
3472 for (i = 0; i < mov->nb_streams; i++) {
3473 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
3476 mov->tracks[i].track_id = i + 1;
3480 mov->track_ids_ok = 1;
3485 static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
3489 int64_t pos = avio_tell(pb);
3490 avio_wb32(pb, 0); /* size placeholder*/
3491 ffio_wfourcc(pb, "moov");
3493 mov_setup_track_ids(mov, s);
3495 for (i = 0; i < mov->nb_streams; i++) {
3496 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
3499 mov->tracks[i].time = mov->time;
3501 if (mov->tracks[i].entry)
3502 build_chunks(&mov->tracks[i]);
3505 if (mov->chapter_track)
3506 for (i = 0; i < s->nb_streams; i++) {
3507 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
3508 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].track_id;
3510 for (i = 0; i < mov->nb_streams; i++) {
3511 MOVTrack *track = &mov->tracks[i];
3512 if (track->tag == MKTAG('r','t','p',' ')) {
3513 track->tref_tag = MKTAG('h','i','n','t');
3514 track->tref_id = mov->tracks[track->src_track].track_id;
3515 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
3516 int * fallback, size;
3517 fallback = (int*)av_stream_get_side_data(track->st,
3518 AV_PKT_DATA_FALLBACK_TRACK,
3520 if (fallback != NULL && size == sizeof(int)) {
3521 if (*fallback >= 0 && *fallback < mov->nb_streams) {
3522 track->tref_tag = MKTAG('f','a','l','l');
3523 track->tref_id = mov->tracks[*fallback].track_id;
3528 for (i = 0; i < mov->nb_streams; i++) {
3529 if (mov->tracks[i].tag == MKTAG('t','m','c','d')) {
3530 int src_trk = mov->tracks[i].src_track;
3531 mov->tracks[src_trk].tref_tag = mov->tracks[i].tag;
3532 mov->tracks[src_trk].tref_id = mov->tracks[i].track_id;
3533 //src_trk may have a different timescale than the tmcd track
3534 mov->tracks[i].track_duration = av_rescale(mov->tracks[src_trk].track_duration,
3535 mov->tracks[i].timescale,
3536 mov->tracks[src_trk].timescale);
3540 mov_write_mvhd_tag(pb, mov);
3541 if (mov->mode != MODE_MOV && !mov->iods_skip)
3542 mov_write_iods_tag(pb, mov);
3543 for (i = 0; i < mov->nb_streams; i++) {
3544 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_FRAGMENT) {
3545 int ret = mov_write_trak_tag(s, pb, mov, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
3550 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
3551 mov_write_mvex_tag(pb, mov); /* QuickTime requires trak to precede this */
3553 if (mov->mode == MODE_PSP)
3554 mov_write_uuidusmt_tag(pb, s);
3556 mov_write_udta_tag(pb, mov, s);
3558 return update_size(pb, pos);
3561 static void param_write_int(AVIOContext *pb, const char *name, int value)
3563 avio_printf(pb, "<param name=\"%s\" value=\"%d\" valuetype=\"data\"/>\n", name, value);
3566 static void param_write_string(AVIOContext *pb, const char *name, const char *value)
3568 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, value);
3571 static void param_write_hex(AVIOContext *pb, const char *name, const uint8_t *value, int len)
3574 len = FFMIN(sizeof(buf) / 2 - 1, len);
3575 ff_data_to_hex(buf, value, len, 0);
3576 buf[2 * len] = '\0';
3577 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, buf);
3580 static int mov_write_isml_manifest(AVIOContext *pb, MOVMuxContext *mov, AVFormatContext *s)
3582 int64_t pos = avio_tell(pb);
3584 static const uint8_t uuid[] = {
3585 0xa5, 0xd4, 0x0b, 0x30, 0xe8, 0x14, 0x11, 0xdd,
3586 0xba, 0x2f, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66
3590 ffio_wfourcc(pb, "uuid");
3591 avio_write(pb, uuid, sizeof(uuid));
3594 avio_printf(pb, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
3595 avio_printf(pb, "<smil xmlns=\"http://www.w3.org/2001/SMIL20/Language\">\n");
3596 avio_printf(pb, "<head>\n");
3597 if (!(mov->fc->flags & AVFMT_FLAG_BITEXACT))
3598 avio_printf(pb, "<meta name=\"creator\" content=\"%s\" />\n",
3600 avio_printf(pb, "</head>\n");
3601 avio_printf(pb, "<body>\n");
3602 avio_printf(pb, "<switch>\n");
3604 mov_setup_track_ids(mov, s);
3606 for (i = 0; i < mov->nb_streams; i++) {
3607 MOVTrack *track = &mov->tracks[i];
3609 int track_id = track->track_id;
3611 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
3613 } else if (track->par->codec_type == AVMEDIA_TYPE_AUDIO) {
3618 avio_printf(pb, "<%s systemBitrate=\"%"PRId64"\">\n", type,
3619 (int64_t)track->par->bit_rate);
3620 param_write_int(pb, "systemBitrate", track->par->bit_rate);
3621 param_write_int(pb, "trackID", track_id);
3622 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
3623 if (track->par->codec_id == AV_CODEC_ID_H264) {
3625 int size = track->par->extradata_size;
3626 if (!ff_avc_write_annexb_extradata(track->par->extradata, &ptr,
3628 param_write_hex(pb, "CodecPrivateData",
3629 ptr ? ptr : track->par->extradata,
3633 param_write_string(pb, "FourCC", "H264");
3634 } else if (track->par->codec_id == AV_CODEC_ID_VC1) {
3635 param_write_string(pb, "FourCC", "WVC1");
3636 param_write_hex(pb, "CodecPrivateData", track->par->extradata,
3637 track->par->extradata_size);
3639 param_write_int(pb, "MaxWidth", track->par->width);
3640 param_write_int(pb, "MaxHeight", track->par->height);
3641 param_write_int(pb, "DisplayWidth", track->par->width);
3642 param_write_int(pb, "DisplayHeight", track->par->height);
3644 if (track->par->codec_id == AV_CODEC_ID_AAC) {
3645 switch (track->par->profile)
3647 case FF_PROFILE_AAC_HE_V2:
3648 param_write_string(pb, "FourCC", "AACP");
3650 case FF_PROFILE_AAC_HE:
3651 param_write_string(pb, "FourCC", "AACH");
3654 param_write_string(pb, "FourCC", "AACL");
3656 } else if (track->par->codec_id == AV_CODEC_ID_WMAPRO) {
3657 param_write_string(pb, "FourCC", "WMAP");
3659 param_write_hex(pb, "CodecPrivateData", track->par->extradata,
3660 track->par->extradata_size);
3661 param_write_int(pb, "AudioTag", ff_codec_get_tag(ff_codec_wav_tags,
3662 track->par->codec_id));
3663 param_write_int(pb, "Channels", track->par->channels);
3664 param_write_int(pb, "SamplingRate", track->par->sample_rate);
3665 param_write_int(pb, "BitsPerSample", 16);
3666 param_write_int(pb, "PacketSize", track->par->block_align ?
3667 track->par->block_align : 4);
3669 avio_printf(pb, "</%s>\n", type);
3671 avio_printf(pb, "</switch>\n");
3672 avio_printf(pb, "</body>\n");
3673 avio_printf(pb, "</smil>\n");
3675 return update_size(pb, pos);
3678 static int mov_write_mfhd_tag(AVIOContext *pb, MOVMuxContext *mov)
3681 ffio_wfourcc(pb, "mfhd");
3683 avio_wb32(pb, mov->fragments);
3687 static uint32_t get_sample_flags(MOVTrack *track, MOVIentry *entry)
3689 return entry->flags & MOV_SYNC_SAMPLE ? MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO :
3690 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC);
3693 static int mov_write_tfhd_tag(AVIOContext *pb, MOVMuxContext *mov,
3694 MOVTrack *track, int64_t moof_offset)
3696 int64_t pos = avio_tell(pb);
3697 uint32_t flags = MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
3698 MOV_TFHD_BASE_DATA_OFFSET;
3699 if (!track->entry) {
3700 flags |= MOV_TFHD_DURATION_IS_EMPTY;
3702 flags |= MOV_TFHD_DEFAULT_FLAGS;
3704 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET)
3705 flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
3706 if (mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF) {
3707 flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
3708 flags |= MOV_TFHD_DEFAULT_BASE_IS_MOOF;
3711 /* Don't set a default sample size, the silverlight player refuses
3712 * to play files with that set. Don't set a default sample duration,
3713 * WMP freaks out if it is set. Don't set a base data offset, PIFF
3714 * file format says it MUST NOT be set. */
3715 if (track->mode == MODE_ISM)
3716 flags &= ~(MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
3717 MOV_TFHD_BASE_DATA_OFFSET);
3719 avio_wb32(pb, 0); /* size placeholder */
3720 ffio_wfourcc(pb, "tfhd");
3721 avio_w8(pb, 0); /* version */
3722 avio_wb24(pb, flags);
3724 avio_wb32(pb, track->track_id); /* track-id */
3725 if (flags & MOV_TFHD_BASE_DATA_OFFSET)
3726 avio_wb64(pb, moof_offset);
3727 if (flags & MOV_TFHD_DEFAULT_DURATION) {
3728 track->default_duration = get_cluster_duration(track, 0);
3729 avio_wb32(pb, track->default_duration);
3731 if (flags & MOV_TFHD_DEFAULT_SIZE) {
3732 track->default_size = track->entry ? track->cluster[0].size : 1;
3733 avio_wb32(pb, track->default_size);
3735 track->default_size = -1;
3737 if (flags & MOV_TFHD_DEFAULT_FLAGS) {
3738 /* Set the default flags based on the second sample, if available.
3739 * If the first sample is different, that can be signaled via a separate field. */
3740 if (track->entry > 1)
3741 track->default_sample_flags = get_sample_flags(track, &track->cluster[1]);
3743 track->default_sample_flags =
3744 track->par->codec_type == AVMEDIA_TYPE_VIDEO ?
3745 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC) :
3746 MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO;
3747 avio_wb32(pb, track->default_sample_flags);
3750 return update_size(pb, pos);
3753 static int mov_write_trun_tag(AVIOContext *pb, MOVMuxContext *mov,
3754 MOVTrack *track, int moof_size,
3757 int64_t pos = avio_tell(pb);
3758 uint32_t flags = MOV_TRUN_DATA_OFFSET;
3761 for (i = first; i < end; i++) {
3762 if (get_cluster_duration(track, i) != track->default_duration)
3763 flags |= MOV_TRUN_SAMPLE_DURATION;
3764 if (track->cluster[i].size != track->default_size)
3765 flags |= MOV_TRUN_SAMPLE_SIZE;
3766 if (i > first && get_sample_flags(track, &track->cluster[i]) != track->default_sample_flags)
3767 flags |= MOV_TRUN_SAMPLE_FLAGS;
3769 if (!(flags & MOV_TRUN_SAMPLE_FLAGS) && track->entry > 0 &&
3770 get_sample_flags(track, &track->cluster[0]) != track->default_sample_flags)
3771 flags |= MOV_TRUN_FIRST_SAMPLE_FLAGS;
3772 if (track->flags & MOV_TRACK_CTTS)
3773 flags |= MOV_TRUN_SAMPLE_CTS;
3775 avio_wb32(pb, 0); /* size placeholder */
3776 ffio_wfourcc(pb, "trun");
3777 avio_w8(pb, 0); /* version */
3778 avio_wb24(pb, flags);
3780 avio_wb32(pb, end - first); /* sample count */
3781 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET &&
3782 !(mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF) &&
3784 avio_wb32(pb, 0); /* Later tracks follow immediately after the previous one */
3786 avio_wb32(pb, moof_size + 8 + track->data_offset +
3787 track->cluster[first].pos); /* data offset */
3788 if (flags & MOV_TRUN_FIRST_SAMPLE_FLAGS)
3789 avio_wb32(pb, get_sample_flags(track, &track->cluster[first]));
3791 for (i = first; i < end; i++) {
3792 if (flags & MOV_TRUN_SAMPLE_DURATION)
3793 avio_wb32(pb, get_cluster_duration(track, i));
3794 if (flags & MOV_TRUN_SAMPLE_SIZE)
3795 avio_wb32(pb, track->cluster[i].size);
3796 if (flags & MOV_TRUN_SAMPLE_FLAGS)
3797 avio_wb32(pb, get_sample_flags(track, &track->cluster[i]));
3798 if (flags & MOV_TRUN_SAMPLE_CTS)
3799 avio_wb32(pb, track->cluster[i].cts);
3802 mov->first_trun = 0;
3803 return update_size(pb, pos);
3806 static int mov_write_tfxd_tag(AVIOContext *pb, MOVTrack *track)
3808 int64_t pos = avio_tell(pb);
3809 static const uint8_t uuid[] = {
3810 0x6d, 0x1d, 0x9b, 0x05, 0x42, 0xd5, 0x44, 0xe6,
3811 0x80, 0xe2, 0x14, 0x1d, 0xaf, 0xf7, 0x57, 0xb2
3814 avio_wb32(pb, 0); /* size placeholder */
3815 ffio_wfourcc(pb, "uuid");
3816 avio_write(pb, uuid, sizeof(uuid));
3819 avio_wb64(pb, track->start_dts + track->frag_start +
3820 track->cluster[0].cts);
3821 avio_wb64(pb, track->end_pts -
3822 (track->cluster[0].dts + track->cluster[0].cts));
3824 return update_size(pb, pos);
3827 static int mov_write_tfrf_tag(AVIOContext *pb, MOVMuxContext *mov,
3828 MOVTrack *track, int entry)
3830 int n = track->nb_frag_info - 1 - entry, i;
3831 int size = 8 + 16 + 4 + 1 + 16*n;
3832 static const uint8_t uuid[] = {
3833 0xd4, 0x80, 0x7e, 0xf2, 0xca, 0x39, 0x46, 0x95,
3834 0x8e, 0x54, 0x26, 0xcb, 0x9e, 0x46, 0xa7, 0x9f
3840 avio_seek(pb, track->frag_info[entry].tfrf_offset, SEEK_SET);
3841 avio_wb32(pb, size);
3842 ffio_wfourcc(pb, "uuid");
3843 avio_write(pb, uuid, sizeof(uuid));
3847 for (i = 0; i < n; i++) {
3848 int index = entry + 1 + i;
3849 avio_wb64(pb, track->frag_info[index].time);
3850 avio_wb64(pb, track->frag_info[index].duration);
3852 if (n < mov->ism_lookahead) {
3853 int free_size = 16 * (mov->ism_lookahead - n);
3854 avio_wb32(pb, free_size);
3855 ffio_wfourcc(pb, "free");
3856 ffio_fill(pb, 0, free_size - 8);
3862 static int mov_write_tfrf_tags(AVIOContext *pb, MOVMuxContext *mov,
3865 int64_t pos = avio_tell(pb);
3867 for (i = 0; i < mov->ism_lookahead; i++) {
3868 /* Update the tfrf tag for the last ism_lookahead fragments,
3869 * nb_frag_info - 1 is the next fragment to be written. */
3870 mov_write_tfrf_tag(pb, mov, track, track->nb_frag_info - 2 - i);
3872 avio_seek(pb, pos, SEEK_SET);
3876 static int mov_add_tfra_entries(AVIOContext *pb, MOVMuxContext *mov, int tracks,
3880 for (i = 0; i < mov->nb_streams; i++) {
3881 MOVTrack *track = &mov->tracks[i];
3882 MOVFragmentInfo *info;
3883 if ((tracks >= 0 && i != tracks) || !track->entry)
3885 track->nb_frag_info++;
3886 if (track->nb_frag_info >= track->frag_info_capacity) {
3887 unsigned new_capacity = track->nb_frag_info + MOV_FRAG_INFO_ALLOC_INCREMENT;
3888 if (av_reallocp_array(&track->frag_info,
3890 sizeof(*track->frag_info)))
3891 return AVERROR(ENOMEM);
3892 track->frag_info_capacity = new_capacity;
3894 info = &track->frag_info[track->nb_frag_info - 1];
3895 info->offset = avio_tell(pb);
3897 // Try to recreate the original pts for the first packet
3898 // from the fields we have stored
3899 info->time = track->start_dts + track->frag_start +
3900 track->cluster[0].cts;
3901 info->duration = track->end_pts -
3902 (track->cluster[0].dts + track->cluster[0].cts);
3903 // If the pts is less than zero, we will have trimmed
3904 // away parts of the media track using an edit list,
3905 // and the corresponding start presentation time is zero.
3906 if (info->time < 0) {
3907 info->duration += info->time;
3910 info->tfrf_offset = 0;
3911 mov_write_tfrf_tags(pb, mov, track);
3916 static int mov_write_tfdt_tag(AVIOContext *pb, MOVTrack *track)
3918 int64_t pos = avio_tell(pb);
3920 avio_wb32(pb, 0); /* size */
3921 ffio_wfourcc(pb, "tfdt");
3922 avio_w8(pb, 1); /* version */
3924 avio_wb64(pb, track->frag_start);
3925 return update_size(pb, pos);
3928 static int mov_write_traf_tag(AVIOContext *pb, MOVMuxContext *mov,
3929 MOVTrack *track, int64_t moof_offset,
3932 int64_t pos = avio_tell(pb);
3934 avio_wb32(pb, 0); /* size placeholder */
3935 ffio_wfourcc(pb, "traf");
3937 mov_write_tfhd_tag(pb, mov, track, moof_offset);
3938 if (mov->mode != MODE_ISM)
3939 mov_write_tfdt_tag(pb, track);
3940 for (i = 1; i < track->entry; i++) {
3941 if (track->cluster[i].pos != track->cluster[i - 1].pos + track->cluster[i - 1].size) {
3942 mov_write_trun_tag(pb, mov, track, moof_size, start, i);
3946 mov_write_trun_tag(pb, mov, track, moof_size, start, track->entry);
3947 if (mov->mode == MODE_ISM) {
3948 mov_write_tfxd_tag(pb, track);
3950 if (mov->ism_lookahead) {
3951 int i, size = 16 + 4 + 1 + 16 * mov->ism_lookahead;
3953 if (track->nb_frag_info > 0) {
3954 MOVFragmentInfo *info = &track->frag_info[track->nb_frag_info - 1];
3955 if (!info->tfrf_offset)
3956 info->tfrf_offset = avio_tell(pb);
3958 avio_wb32(pb, 8 + size);
3959 ffio_wfourcc(pb, "free");
3960 for (i = 0; i < size; i++)
3965 return update_size(pb, pos);
3968 static int mov_write_moof_tag_internal(AVIOContext *pb, MOVMuxContext *mov,
3969 int tracks, int moof_size)
3971 int64_t pos = avio_tell(pb);
3974 avio_wb32(pb, 0); /* size placeholder */
3975 ffio_wfourcc(pb, "moof");
3976 mov->first_trun = 1;
3978 mov_write_mfhd_tag(pb, mov);
3979 for (i = 0; i < mov->nb_streams; i++) {
3980 MOVTrack *track = &mov->tracks[i];
3981 if (tracks >= 0 && i != tracks)
3985 mov_write_traf_tag(pb, mov, track, pos, moof_size);
3988 return update_size(pb, pos);
3991 static int mov_write_sidx_tag(AVIOContext *pb,
3992 MOVTrack *track, int ref_size, int total_sidx_size)
3994 int64_t pos = avio_tell(pb), offset_pos, end_pos;
3995 int64_t presentation_time, duration, offset;
3996 int starts_with_SAP, i, entries;
4000 presentation_time = track->start_dts + track->frag_start +
4001 track->cluster[0].cts;
4002 duration = track->end_pts -
4003 (track->cluster[0].dts + track->cluster[0].cts);
4004 starts_with_SAP = track->cluster[0].flags & MOV_SYNC_SAMPLE;
4006 // pts<0 should be cut away using edts
4007 if (presentation_time < 0) {
4008 duration += presentation_time;
4009 presentation_time = 0;
4012 entries = track->nb_frag_info;
4015 presentation_time = track->frag_info[0].time;
4018 avio_wb32(pb, 0); /* size */
4019 ffio_wfourcc(pb, "sidx");
4020 avio_w8(pb, 1); /* version */
4022 avio_wb32(pb, track->track_id); /* reference_ID */
4023 avio_wb32(pb, track->timescale); /* timescale */
4024 avio_wb64(pb, presentation_time); /* earliest_presentation_time */
4025 offset_pos = avio_tell(pb);
4026 avio_wb64(pb, 0); /* first_offset (offset to referenced moof) */
4027 avio_wb16(pb, 0); /* reserved */
4029 avio_wb16(pb, entries); /* reference_count */
4030 for (i = 0; i < entries; i++) {
4031 if (!track->entry) {
4032 if (i > 1 && track->frag_info[i].offset != track->frag_info[i - 1].offset + track->frag_info[i - 1].size) {
4033 av_log(NULL, AV_LOG_ERROR, "Non-consecutive fragments, writing incorrect sidx\n");
4035 duration = track->frag_info[i].duration;
4036 ref_size = track->frag_info[i].size;
4037 starts_with_SAP = 1;
4039 avio_wb32(pb, (0 << 31) | (ref_size & 0x7fffffff)); /* reference_type (0 = media) | referenced_size */
4040 avio_wb32(pb, duration); /* subsegment_duration */
4041 avio_wb32(pb, (starts_with_SAP << 31) | (0 << 28) | 0); /* starts_with_SAP | SAP_type | SAP_delta_time */
4044 end_pos = avio_tell(pb);
4045 offset = pos + total_sidx_size - end_pos;
4046 avio_seek(pb, offset_pos, SEEK_SET);
4047 avio_wb64(pb, offset);
4048 avio_seek(pb, end_pos, SEEK_SET);
4049 return update_size(pb, pos);
4052 static int mov_write_sidx_tags(AVIOContext *pb, MOVMuxContext *mov,
4053 int tracks, int ref_size)
4056 AVIOContext *avio_buf;
4058 for (round = 0; round < 2; round++) {
4059 // First run one round to calculate the total size of all
4061 // This would be much simpler if we'd only write one sidx
4062 // atom, for the first track in the moof.
4064 if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
4069 for (i = 0; i < mov->nb_streams; i++) {
4070 MOVTrack *track = &mov->tracks[i];
4071 if (tracks >= 0 && i != tracks)
4073 // When writing a sidx for the full file, entry is 0, but
4074 // we want to include all tracks. ref_size is 0 in this case,
4075 // since we read it from frag_info instead.
4076 if (!track->entry && ref_size > 0)
4078 total_size -= mov_write_sidx_tag(avio_buf, track, ref_size,
4082 total_size = ffio_close_null_buf(avio_buf);
4087 static int mov_write_moof_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks,
4090 AVIOContext *avio_buf;
4093 if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
4095 mov_write_moof_tag_internal(avio_buf, mov, tracks, 0);
4096 moof_size = ffio_close_null_buf(avio_buf);
4098 if (mov->flags & FF_MOV_FLAG_DASH && !(mov->flags & FF_MOV_FLAG_GLOBAL_SIDX))
4099 mov_write_sidx_tags(pb, mov, tracks, moof_size + 8 + mdat_size);
4101 if ((ret = mov_add_tfra_entries(pb, mov, tracks, moof_size + 8 + mdat_size)) < 0)
4104 return mov_write_moof_tag_internal(pb, mov, tracks, moof_size);
4107 static int mov_write_tfra_tag(AVIOContext *pb, MOVTrack *track)
4109 int64_t pos = avio_tell(pb);
4112 avio_wb32(pb, 0); /* size placeholder */
4113 ffio_wfourcc(pb, "tfra");
4114 avio_w8(pb, 1); /* version */
4117 avio_wb32(pb, track->track_id);
4118 avio_wb32(pb, 0); /* length of traf/trun/sample num */
4119 avio_wb32(pb, track->nb_frag_info);
4120 for (i = 0; i < track->nb_frag_info; i++) {
4121 avio_wb64(pb, track->frag_info[i].time);
4122 avio_wb64(pb, track->frag_info[i].offset + track->data_offset);
4123 avio_w8(pb, 1); /* traf number */
4124 avio_w8(pb, 1); /* trun number */
4125 avio_w8(pb, 1); /* sample number */
4128 return update_size(pb, pos);
4131 static int mov_write_mfra_tag(AVIOContext *pb, MOVMuxContext *mov)
4133 int64_t pos = avio_tell(pb);
4136 avio_wb32(pb, 0); /* size placeholder */
4137 ffio_wfourcc(pb, "mfra");
4138 /* An empty mfra atom is enough to indicate to the publishing point that
4139 * the stream has ended. */
4140 if (mov->flags & FF_MOV_FLAG_ISML)
4141 return update_size(pb, pos);
4143 for (i = 0; i < mov->nb_streams; i++) {
4144 MOVTrack *track = &mov->tracks[i];
4145 if (track->nb_frag_info)
4146 mov_write_tfra_tag(pb, track);
4150 ffio_wfourcc(pb, "mfro");
4151 avio_wb32(pb, 0); /* version + flags */
4152 avio_wb32(pb, avio_tell(pb) + 4 - pos);
4154 return update_size(pb, pos);
4157 static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
4159 avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
4160 ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
4162 mov->mdat_pos = avio_tell(pb);
4163 avio_wb32(pb, 0); /* size placeholder*/
4164 ffio_wfourcc(pb, "mdat");
4168 /* TODO: This needs to be more general */
4169 static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
4171 MOVMuxContext *mov = s->priv_data;
4172 int64_t pos = avio_tell(pb);
4173 int has_h264 = 0, has_video = 0;
4177 for (i = 0; i < s->nb_streams; i++) {
4178 AVStream *st = s->streams[i];
4179 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
4181 if (st->codecpar->codec_id == AV_CODEC_ID_H264)
4185 avio_wb32(pb, 0); /* size */
4186 ffio_wfourcc(pb, "ftyp");
4188 if (mov->major_brand && strlen(mov->major_brand) >= 4)
4189 ffio_wfourcc(pb, mov->major_brand);
4190 else if (mov->mode == MODE_3GP) {
4191 ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
4192 minor = has_h264 ? 0x100 : 0x200;
4193 } else if (mov->mode & MODE_3G2) {
4194 ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
4195 minor = has_h264 ? 0x20000 : 0x10000;
4196 } else if (mov->mode == MODE_PSP)
4197 ffio_wfourcc(pb, "MSNV");
4198 else if (mov->mode == MODE_MP4 && mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)
4199 ffio_wfourcc(pb, "iso5"); // Required when using default-base-is-moof
4200 else if (mov->mode == MODE_MP4)
4201 ffio_wfourcc(pb, "isom");
4202 else if (mov->mode == MODE_IPOD)
4203 ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
4204 else if (mov->mode == MODE_ISM)
4205 ffio_wfourcc(pb, "isml");
4206 else if (mov->mode == MODE_F4V)
4207 ffio_wfourcc(pb, "f4v ");
4209 ffio_wfourcc(pb, "qt ");
4211 avio_wb32(pb, minor);
4213 if (mov->mode == MODE_MOV)
4214 ffio_wfourcc(pb, "qt ");
4215 else if (mov->mode == MODE_ISM) {
4216 ffio_wfourcc(pb, "piff");
4217 } else if (!(mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)) {
4218 ffio_wfourcc(pb, "isom");
4219 ffio_wfourcc(pb, "iso2");
4221 ffio_wfourcc(pb, "avc1");
4224 // We add tfdt atoms when fragmenting, signal this with the iso6 compatible
4225 // brand. This is compatible with users that don't understand tfdt.
4226 if (mov->flags & FF_MOV_FLAG_FRAGMENT && mov->mode != MODE_ISM)
4227 ffio_wfourcc(pb, "iso6");
4229 if (mov->mode == MODE_3GP)
4230 ffio_wfourcc(pb, has_h264 ? "3gp6":"3gp4");
4231 else if (mov->mode & MODE_3G2)
4232 ffio_wfourcc(pb, has_h264 ? "3g2b":"3g2a");
4233 else if (mov->mode == MODE_PSP)
4234 ffio_wfourcc(pb, "MSNV");
4235 else if (mov->mode == MODE_MP4)
4236 ffio_wfourcc(pb, "mp41");
4238 if (mov->flags & FF_MOV_FLAG_DASH && mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
4239 ffio_wfourcc(pb, "dash");
4241 return update_size(pb, pos);
4244 static void mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
4246 AVStream *video_st = s->streams[0];
4247 AVCodecParameters *video_par = s->streams[0]->codecpar;
4248 AVCodecParameters *audio_par = s->streams[1]->codecpar;
4249 int audio_rate = audio_par->sample_rate;
4250 // TODO: should be avg_frame_rate
4251 int frame_rate = ((video_st->time_base.den) * (0x10000)) / (video_st->time_base.num);
4252 int audio_kbitrate = audio_par->bit_rate / 1000;
4253 int video_kbitrate = FFMIN(video_par->bit_rate / 1000, 800 - audio_kbitrate);
4255 avio_wb32(pb, 0x94); /* size */
4256 ffio_wfourcc(pb, "uuid");
4257 ffio_wfourcc(pb, "PROF");
4259 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
4260 avio_wb32(pb, 0xbb88695c);
4261 avio_wb32(pb, 0xfac9c740);
4263 avio_wb32(pb, 0x0); /* ? */
4264 avio_wb32(pb, 0x3); /* 3 sections ? */
4266 avio_wb32(pb, 0x14); /* size */
4267 ffio_wfourcc(pb, "FPRF");
4268 avio_wb32(pb, 0x0); /* ? */
4269 avio_wb32(pb, 0x0); /* ? */
4270 avio_wb32(pb, 0x0); /* ? */
4272 avio_wb32(pb, 0x2c); /* size */
4273 ffio_wfourcc(pb, "APRF"); /* audio */
4275 avio_wb32(pb, 0x2); /* TrackID */
4276 ffio_wfourcc(pb, "mp4a");
4277 avio_wb32(pb, 0x20f);
4279 avio_wb32(pb, audio_kbitrate);
4280 avio_wb32(pb, audio_kbitrate);
4281 avio_wb32(pb, audio_rate);
4282 avio_wb32(pb, audio_par->channels);
4284 avio_wb32(pb, 0x34); /* size */
4285 ffio_wfourcc(pb, "VPRF"); /* video */
4287 avio_wb32(pb, 0x1); /* TrackID */
4288 if (video_par->codec_id == AV_CODEC_ID_H264) {
4289 ffio_wfourcc(pb, "avc1");
4290 avio_wb16(pb, 0x014D);
4291 avio_wb16(pb, 0x0015);
4293 ffio_wfourcc(pb, "mp4v");
4294 avio_wb16(pb, 0x0000);
4295 avio_wb16(pb, 0x0103);
4298 avio_wb32(pb, video_kbitrate);
4299 avio_wb32(pb, video_kbitrate);
4300 avio_wb32(pb, frame_rate);
4301 avio_wb32(pb, frame_rate);
4302 avio_wb16(pb, video_par->width);
4303 avio_wb16(pb, video_par->height);
4304 avio_wb32(pb, 0x010001); /* ? */
4307 static int mov_write_identification(AVIOContext *pb, AVFormatContext *s)
4309 MOVMuxContext *mov = s->priv_data;
4312 mov_write_ftyp_tag(pb,s);
4313 if (mov->mode == MODE_PSP) {
4314 int video_streams_nb = 0, audio_streams_nb = 0, other_streams_nb = 0;
4315 for (i = 0; i < s->nb_streams; i++) {
4316 AVStream *st = s->streams[i];
4317 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
4319 else if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO)
4325 if (video_streams_nb != 1 || audio_streams_nb != 1 || other_streams_nb) {
4326 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
4327 return AVERROR(EINVAL);
4329 mov_write_uuidprof_tag(pb, s);
4334 static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
4337 int i, closed_gop = 0;
4339 for (i = 0; i < pkt->size - 4; i++) {
4340 c = (c << 8) + pkt->data[i];
4341 if (c == 0x1b8) { // gop
4342 closed_gop = pkt->data[i + 4] >> 6 & 0x01;
4343 } else if (c == 0x100) { // pic
4344 int temp_ref = (pkt->data[i + 1] << 2) | (pkt->data[i + 2] >> 6);
4345 if (!temp_ref || closed_gop) // I picture is not reordered
4346 *flags = MOV_SYNC_SAMPLE;
4348 *flags = MOV_PARTIAL_SYNC_SAMPLE;
4355 static void mov_parse_vc1_frame(AVPacket *pkt, MOVTrack *trk)
4357 const uint8_t *start, *next, *end = pkt->data + pkt->size;
4358 int seq = 0, entry = 0;
4359 int key = pkt->flags & AV_PKT_FLAG_KEY;
4360 start = find_next_marker(pkt->data, end);
4361 for (next = start; next < end; start = next) {
4362 next = find_next_marker(start + 4, end);
4363 switch (AV_RB32(start)) {
4364 case VC1_CODE_SEQHDR:
4367 case VC1_CODE_ENTRYPOINT:
4370 case VC1_CODE_SLICE:
4371 trk->vc1_info.slices = 1;
4375 if (!trk->entry && trk->vc1_info.first_packet_seen)
4376 trk->vc1_info.first_frag_written = 1;
4377 if (!trk->entry && !trk->vc1_info.first_frag_written) {
4378 /* First packet in first fragment */
4379 trk->vc1_info.first_packet_seq = seq;
4380 trk->vc1_info.first_packet_entry = entry;
4381 trk->vc1_info.first_packet_seen = 1;
4382 } else if ((seq && !trk->vc1_info.packet_seq) ||
4383 (entry && !trk->vc1_info.packet_entry)) {
4385 for (i = 0; i < trk->entry; i++)
4386 trk->cluster[i].flags &= ~MOV_SYNC_SAMPLE;
4387 trk->has_keyframes = 0;
4389 trk->vc1_info.packet_seq = 1;
4391 trk->vc1_info.packet_entry = 1;
4392 if (!trk->vc1_info.first_frag_written) {
4393 /* First fragment */
4394 if ((!seq || trk->vc1_info.first_packet_seq) &&
4395 (!entry || trk->vc1_info.first_packet_entry)) {
4396 /* First packet had the same headers as this one, readd the
4397 * sync sample flag. */
4398 trk->cluster[0].flags |= MOV_SYNC_SAMPLE;
4399 trk->has_keyframes = 1;
4403 if (trk->vc1_info.packet_seq && trk->vc1_info.packet_entry)
4405 else if (trk->vc1_info.packet_seq)
4407 else if (trk->vc1_info.packet_entry)
4410 trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE;
4411 trk->has_keyframes++;
4415 static int mov_flush_fragment_interleaving(AVFormatContext *s, MOVTrack *track)
4417 MOVMuxContext *mov = s->priv_data;
4422 if (!track->mdat_buf)
4424 if (!mov->mdat_buf) {
4425 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
4428 buf_size = avio_close_dyn_buf(track->mdat_buf, &buf);
4429 track->mdat_buf = NULL;
4431 offset = avio_tell(mov->mdat_buf);
4432 avio_write(mov->mdat_buf, buf, buf_size);
4435 for (i = track->entries_flushed; i < track->entry; i++)
4436 track->cluster[i].pos += offset;
4437 track->entries_flushed = track->entry;
4441 static int mov_flush_fragment(AVFormatContext *s, int force)
4443 MOVMuxContext *mov = s->priv_data;
4444 int i, first_track = -1;
4445 int64_t mdat_size = 0;
4447 int has_video = 0, starts_with_key = 0, first_video_track = 1;
4449 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT))
4452 // Try to fill in the duration of the last packet in each stream
4453 // from queued packets in the interleave queues. If the flushing
4454 // of fragments was triggered automatically by an AVPacket, we
4455 // already have reliable info for the end of that track, but other
4456 // tracks may need to be filled in.
4457 for (i = 0; i < s->nb_streams; i++) {
4458 MOVTrack *track = &mov->tracks[i];
4459 if (!track->end_reliable) {
4461 const AVPacket *next = ff_interleaved_peek(s, i, &ts_offset);
4463 track->track_duration = next->dts - track->start_dts + ts_offset;
4464 if (next->pts != AV_NOPTS_VALUE)
4465 track->end_pts = next->pts;
4467 track->end_pts = next->dts;
4468 track->end_pts += ts_offset;
4473 for (i = 0; i < mov->nb_streams; i++) {
4474 MOVTrack *track = &mov->tracks[i];
4475 if (track->entry <= 1)
4477 // Sample durations are calculated as the diff of dts values,
4478 // but for the last sample in a fragment, we don't know the dts
4479 // of the first sample in the next fragment, so we have to rely
4480 // on what was set as duration in the AVPacket. Not all callers
4481 // set this though, so we might want to replace it with an
4482 // estimate if it currently is zero.
4483 if (get_cluster_duration(track, track->entry - 1) != 0)
4485 // Use the duration (i.e. dts diff) of the second last sample for
4486 // the last one. This is a wild guess (and fatal if it turns out
4487 // to be too long), but probably the best we can do - having a zero
4488 // duration is bad as well.
4489 track->track_duration += get_cluster_duration(track, track->entry - 2);
4490 track->end_pts += get_cluster_duration(track, track->entry - 2);
4491 if (!mov->missing_duration_warned) {
4492 av_log(s, AV_LOG_WARNING,
4493 "Estimating the duration of the last packet in a "
4494 "fragment, consider setting the duration field in "
4495 "AVPacket instead.\n");
4496 mov->missing_duration_warned = 1;
4500 if (!mov->moov_written) {
4501 int64_t pos = avio_tell(s->pb);
4503 int buf_size, moov_size;
4505 for (i = 0; i < mov->nb_streams; i++)
4506 if (!mov->tracks[i].entry)
4508 /* Don't write the initial moov unless all tracks have data */
4509 if (i < mov->nb_streams && !force)
4512 moov_size = get_moov_size(s);
4513 for (i = 0; i < mov->nb_streams; i++)
4514 mov->tracks[i].data_offset = pos + moov_size + 8;
4516 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_HEADER);
4517 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV)
4518 mov_write_identification(s->pb, s);
4519 if ((ret = mov_write_moov_tag(s->pb, mov, s)) < 0)
4522 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV) {
4523 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
4524 mov->reserved_header_pos = avio_tell(s->pb);
4526 mov->moov_written = 1;
4530 buf_size = avio_close_dyn_buf(mov->mdat_buf, &buf);
4531 mov->mdat_buf = NULL;
4532 avio_wb32(s->pb, buf_size + 8);
4533 ffio_wfourcc(s->pb, "mdat");
4534 avio_write(s->pb, buf, buf_size);
4537 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
4538 mov->reserved_header_pos = avio_tell(s->pb);
4540 mov->moov_written = 1;
4542 for (i = 0; i < mov->nb_streams; i++) {
4543 if (mov->tracks[i].entry)
4544 mov->tracks[i].frag_start += mov->tracks[i].start_dts +
4545 mov->tracks[i].track_duration -
4546 mov->tracks[i].cluster[0].dts;
4547 mov->tracks[i].entry = 0;
4548 mov->tracks[i].end_reliable = 0;
4554 if (mov->frag_interleave) {
4555 for (i = 0; i < mov->nb_streams; i++) {
4556 MOVTrack *track = &mov->tracks[i];
4558 if ((ret = mov_flush_fragment_interleaving(s, track)) < 0)
4564 mdat_size = avio_tell(mov->mdat_buf);
4567 for (i = 0; i < mov->nb_streams; i++) {
4568 MOVTrack *track = &mov->tracks[i];
4569 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF || mov->frag_interleave)
4570 track->data_offset = 0;
4572 track->data_offset = mdat_size;
4573 if (track->par->codec_type == AVMEDIA_TYPE_VIDEO) {
4575 if (first_video_track) {
4577 starts_with_key = track->cluster[0].flags & MOV_SYNC_SAMPLE;
4578 first_video_track = 0;
4583 if (track->mdat_buf)
4584 mdat_size += avio_tell(track->mdat_buf);
4585 if (first_track < 0)
4592 avio_write_marker(s->pb,
4593 av_rescale(mov->tracks[first_track].cluster[0].dts, AV_TIME_BASE, mov->tracks[first_track].timescale),
4594 (has_video ? starts_with_key : mov->tracks[first_track].cluster[0].flags & MOV_SYNC_SAMPLE) ? AVIO_DATA_MARKER_SYNC_POINT : AVIO_DATA_MARKER_BOUNDARY_POINT);
4596 for (i = 0; i < mov->nb_streams; i++) {
4597 MOVTrack *track = &mov->tracks[i];
4598 int buf_size, write_moof = 1, moof_tracks = -1;
4600 int64_t duration = 0;
4603 duration = track->start_dts + track->track_duration -
4604 track->cluster[0].dts;
4605 if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) {
4606 if (!track->mdat_buf)
4608 mdat_size = avio_tell(track->mdat_buf);
4611 write_moof = i == first_track;
4617 mov_write_moof_tag(s->pb, mov, moof_tracks, mdat_size);
4620 avio_wb32(s->pb, mdat_size + 8);
4621 ffio_wfourcc(s->pb, "mdat");
4625 track->frag_start += duration;
4627 track->entries_flushed = 0;
4628 track->end_reliable = 0;
4629 if (!mov->frag_interleave) {
4630 if (!track->mdat_buf)
4632 buf_size = avio_close_dyn_buf(track->mdat_buf, &buf);
4633 track->mdat_buf = NULL;
4637 buf_size = avio_close_dyn_buf(mov->mdat_buf, &buf);
4638 mov->mdat_buf = NULL;
4641 avio_write(s->pb, buf, buf_size);
4651 static int mov_auto_flush_fragment(AVFormatContext *s, int force)
4653 MOVMuxContext *mov = s->priv_data;
4654 int had_moov = mov->moov_written;
4655 int ret = mov_flush_fragment(s, force);
4658 // If using delay_moov, the first flush only wrote the moov,
4659 // not the actual moof+mdat pair, thus flush once again.
4660 if (!had_moov && mov->flags & FF_MOV_FLAG_DELAY_MOOV)
4661 ret = mov_flush_fragment(s, force);
4665 int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
4667 MOVMuxContext *mov = s->priv_data;
4668 AVIOContext *pb = s->pb;
4669 MOVTrack *trk = &mov->tracks[pkt->stream_index];
4670 AVCodecParameters *par = trk->par;
4671 unsigned int samples_in_chunk = 0;
4672 int size = pkt->size, ret = 0;
4673 uint8_t *reformatted_data = NULL;
4676 int64_t duration = pkt->dts - trk->cluster[trk->entry - 1].dts;
4677 if (duration < 0 || duration > INT_MAX) {
4678 av_log(s, AV_LOG_ERROR, "Application provided duration: %"PRId64" / timestamp: %"PRId64" is out of range for mov/mp4 format\n",
4682 pkt->dts = trk->cluster[trk->entry - 1].dts + 1;
4683 pkt->pts = AV_NOPTS_VALUE;
4685 } else if (pkt->dts <= INT_MIN || pkt->dts >= INT_MAX) {
4686 av_log(s, AV_LOG_ERROR, "Application provided initial timestamp: %"PRId64" is out of range for mov/mp4 format\n",
4691 pkt->pts = AV_NOPTS_VALUE;
4693 if (pkt->duration < 0 || pkt->duration > INT_MAX) {
4694 av_log(s, AV_LOG_ERROR, "Application provided duration: %"PRId64" is invalid\n", pkt->duration);
4695 return AVERROR(EINVAL);
4697 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
4699 if (mov->moov_written || mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
4700 if (mov->frag_interleave && mov->fragments > 0) {
4701 if (trk->entry - trk->entries_flushed >= mov->frag_interleave) {
4702 if ((ret = mov_flush_fragment_interleaving(s, trk)) < 0)
4707 if (!trk->mdat_buf) {
4708 if ((ret = avio_open_dyn_buf(&trk->mdat_buf)) < 0)
4713 if (!mov->mdat_buf) {
4714 if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0)
4721 if (par->codec_id == AV_CODEC_ID_AMR_NB) {
4722 /* We must find out how many AMR blocks there are in one packet */
4723 static const uint16_t packed_size[16] =
4724 {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 1};
4727 while (len < size && samples_in_chunk < 100) {
4728 len += packed_size[(pkt->data[len] >> 3) & 0x0F];
4731 if (samples_in_chunk > 1) {
4732 av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n");
4735 } else if (par->codec_id == AV_CODEC_ID_ADPCM_MS ||
4736 par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
4737 samples_in_chunk = trk->par->frame_size;
4738 } else if (trk->sample_size)
4739 samples_in_chunk = size / trk->sample_size;
4741 samples_in_chunk = 1;
4743 /* copy extradata if it exists */
4744 if (trk->vos_len == 0 && par->extradata_size > 0 &&
4745 !TAG_IS_AVCI(trk->tag) &&
4746 (par->codec_id != AV_CODEC_ID_DNXHD)) {
4747 trk->vos_len = par->extradata_size;
4748 trk->vos_data = av_malloc(trk->vos_len);
4749 if (!trk->vos_data) {
4750 ret = AVERROR(ENOMEM);
4753 memcpy(trk->vos_data, par->extradata, trk->vos_len);
4756 if (par->codec_id == AV_CODEC_ID_AAC && pkt->size > 2 &&
4757 (AV_RB16(pkt->data) & 0xfff0) == 0xfff0) {
4758 if (!s->streams[pkt->stream_index]->nb_frames) {
4759 av_log(s, AV_LOG_ERROR, "Malformed AAC bitstream detected: "
4760 "use the audio bitstream filter 'aac_adtstoasc' to fix it "
4761 "('-bsf:a aac_adtstoasc' option with ffmpeg)\n");
4764 av_log(s, AV_LOG_WARNING, "aac bitstream error\n");
4766 if (par->codec_id == AV_CODEC_ID_H264 && trk->vos_len > 0 && *(uint8_t *)trk->vos_data != 1 && !TAG_IS_AVCI(trk->tag)) {
4767 /* from x264 or from bytestream H.264 */
4768 /* NAL reformatting needed */
4769 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
4770 ff_avc_parse_nal_units_buf(pkt->data, &reformatted_data,
4772 avio_write(pb, reformatted_data, size);
4774 if (mov->encryption_scheme == MOV_ENC_CENC_AES_CTR) {
4775 size = ff_mov_cenc_avc_parse_nal_units(&trk->cenc, pb, pkt->data, size);
4781 size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
4784 } else if (par->codec_id == AV_CODEC_ID_HEVC && trk->vos_len > 6 &&
4785 (AV_RB24(trk->vos_data) == 1 || AV_RB32(trk->vos_data) == 1)) {
4786 /* extradata is Annex B, assume the bitstream is too and convert it */
4787 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) {
4788 ff_hevc_annexb2mp4_buf(pkt->data, &reformatted_data, &size, 0, NULL);
4789 avio_write(pb, reformatted_data, size);
4791 size = ff_hevc_annexb2mp4(pb, pkt->data, pkt->size, 0, NULL);
4793 #if CONFIG_AC3_PARSER
4794 } else if (par->codec_id == AV_CODEC_ID_EAC3) {
4795 size = handle_eac3(mov, pkt, trk);
4800 avio_write(pb, pkt->data, size);
4803 if (mov->encryption_scheme == MOV_ENC_CENC_AES_CTR) {
4804 if (par->codec_id == AV_CODEC_ID_H264 && par->extradata_size > 4) {
4805 int nal_size_length = (par->extradata[4] & 0x3) + 1;
4806 ret = ff_mov_cenc_avc_write_nal_units(s, &trk->cenc, nal_size_length, pb, pkt->data, size);
4808 ret = ff_mov_cenc_write_packet(&trk->cenc, pb, pkt->data, size);
4815 avio_write(pb, pkt->data, size);
4819 if ((par->codec_id == AV_CODEC_ID_DNXHD ||
4820 par->codec_id == AV_CODEC_ID_AC3) && !trk->vos_len) {
4821 /* copy frame to create needed atoms */
4822 trk->vos_len = size;
4823 trk->vos_data = av_malloc(size);
4824 if (!trk->vos_data) {
4825 ret = AVERROR(ENOMEM);
4828 memcpy(trk->vos_data, pkt->data, size);
4831 if (trk->entry >= trk->cluster_capacity) {
4832 unsigned new_capacity = 2 * (trk->entry + MOV_INDEX_CLUSTER_SIZE);
4833 if (av_reallocp_array(&trk->cluster, new_capacity,
4834 sizeof(*trk->cluster))) {
4835 ret = AVERROR(ENOMEM);
4838 trk->cluster_capacity = new_capacity;
4841 trk->cluster[trk->entry].pos = avio_tell(pb) - size;
4842 trk->cluster[trk->entry].samples_in_chunk = samples_in_chunk;
4843 trk->cluster[trk->entry].chunkNum = 0;
4844 trk->cluster[trk->entry].size = size;
4845 trk->cluster[trk->entry].entries = samples_in_chunk;
4846 trk->cluster[trk->entry].dts = pkt->dts;
4847 if (!trk->entry && trk->start_dts != AV_NOPTS_VALUE) {
4848 if (!trk->frag_discont) {
4849 /* First packet of a new fragment. We already wrote the duration
4850 * of the last packet of the previous fragment based on track_duration,
4851 * which might not exactly match our dts. Therefore adjust the dts
4852 * of this packet to be what the previous packets duration implies. */
4853 trk->cluster[trk->entry].dts = trk->start_dts + trk->track_duration;
4854 /* We also may have written the pts and the corresponding duration
4855 * in sidx/tfrf/tfxd tags; make sure the sidx pts and duration match up with
4856 * the next fragment. This means the cts of the first sample must
4857 * be the same in all fragments, unless end_pts was updated by
4858 * the packet causing the fragment to be written. */
4859 if ((mov->flags & FF_MOV_FLAG_DASH && !(mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)) ||
4860 mov->mode == MODE_ISM)
4861 pkt->pts = pkt->dts + trk->end_pts - trk->cluster[trk->entry].dts;
4863 /* New fragment, but discontinuous from previous fragments.
4864 * Pretend the duration sum of the earlier fragments is
4865 * pkt->dts - trk->start_dts. */
4866 trk->frag_start = pkt->dts - trk->start_dts;
4867 trk->end_pts = AV_NOPTS_VALUE;
4868 trk->frag_discont = 0;
4872 if (!trk->entry && trk->start_dts == AV_NOPTS_VALUE && !mov->use_editlist &&
4873 s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_MAKE_ZERO) {
4874 /* Not using edit lists and shifting the first track to start from zero.
4875 * If the other streams start from a later timestamp, we won't be able
4876 * to signal the difference in starting time without an edit list.
4877 * Thus move the timestamp for this first sample to 0, increasing
4878 * its duration instead. */
4879 trk->cluster[trk->entry].dts = trk->start_dts = 0;
4881 if (trk->start_dts == AV_NOPTS_VALUE) {
4882 trk->start_dts = pkt->dts;
4883 if (trk->frag_discont) {
4884 if (mov->use_editlist) {
4885 /* Pretend the whole stream started at pts=0, with earlier fragments
4886 * already written. If the stream started at pts=0, the duration sum
4887 * of earlier fragments would have been pkt->pts. */
4888 trk->frag_start = pkt->pts;
4889 trk->start_dts = pkt->dts - pkt->pts;
4891 /* Pretend the whole stream started at dts=0, with earlier fragments
4892 * already written, with a duration summing up to pkt->dts. */
4893 trk->frag_start = pkt->dts;
4896 trk->frag_discont = 0;
4897 } else if (pkt->dts && mov->moov_written)
4898 av_log(s, AV_LOG_WARNING,
4899 "Track %d starts with a nonzero dts %"PRId64", while the moov "
4900 "already has been written. Set the delay_moov flag to handle "
4902 pkt->stream_index, pkt->dts);
4904 trk->track_duration = pkt->dts - trk->start_dts + pkt->duration;
4905 trk->last_sample_is_subtitle_end = 0;
4907 if (pkt->pts == AV_NOPTS_VALUE) {
4908 av_log(s, AV_LOG_WARNING, "pts has no value\n");
4909 pkt->pts = pkt->dts;
4911 if (pkt->dts != pkt->pts)
4912 trk->flags |= MOV_TRACK_CTTS;
4913 trk->cluster[trk->entry].cts = pkt->pts - pkt->dts;
4914 trk->cluster[trk->entry].flags = 0;
4915 if (trk->start_cts == AV_NOPTS_VALUE)
4916 trk->start_cts = pkt->pts - pkt->dts;
4917 if (trk->end_pts == AV_NOPTS_VALUE)
4918 trk->end_pts = trk->cluster[trk->entry].dts +
4919 trk->cluster[trk->entry].cts + pkt->duration;
4921 trk->end_pts = FFMAX(trk->end_pts, trk->cluster[trk->entry].dts +
4922 trk->cluster[trk->entry].cts +
4925 if (par->codec_id == AV_CODEC_ID_VC1) {
4926 mov_parse_vc1_frame(pkt, trk);
4927 } else if (pkt->flags & AV_PKT_FLAG_KEY) {
4928 if (mov->mode == MODE_MOV && par->codec_id == AV_CODEC_ID_MPEG2VIDEO &&
4929 trk->entry > 0) { // force sync sample for the first key frame
4930 mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags);
4931 if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE)
4932 trk->flags |= MOV_TRACK_STPS;
4934 trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE;
4936 if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE)
4937 trk->has_keyframes++;
4940 trk->sample_count += samples_in_chunk;
4941 mov->mdat_size += size;
4943 if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams)
4944 ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry,
4945 reformatted_data, size);
4950 av_free(reformatted_data);
4954 static int mov_write_single_packet(AVFormatContext *s, AVPacket *pkt)
4956 MOVMuxContext *mov = s->priv_data;
4957 MOVTrack *trk = &mov->tracks[pkt->stream_index];
4958 AVCodecParameters *par = trk->par;
4959 int64_t frag_duration = 0;
4960 int size = pkt->size;
4962 if (mov->flags & FF_MOV_FLAG_FRAG_DISCONT) {
4964 for (i = 0; i < s->nb_streams; i++)
4965 mov->tracks[i].frag_discont = 1;
4966 mov->flags &= ~FF_MOV_FLAG_FRAG_DISCONT;
4970 if (trk->start_dts == AV_NOPTS_VALUE && trk->frag_discont) {
4971 trk->start_dts = pkt->dts;
4972 if (pkt->pts != AV_NOPTS_VALUE)
4973 trk->start_cts = pkt->pts - pkt->dts;
4978 if (trk->par->codec_id == AV_CODEC_ID_MP4ALS) {
4980 uint8_t *side = av_packet_get_side_data(pkt, AV_PKT_DATA_NEW_EXTRADATA, &side_size);
4981 if (side && side_size > 0 && (side_size != par->extradata_size || memcmp(side, par->extradata, side_size))) {
4982 void *newextra = av_mallocz(side_size + AV_INPUT_BUFFER_PADDING_SIZE);
4984 return AVERROR(ENOMEM);
4985 av_free(par->extradata);
4986 par->extradata = newextra;
4987 memcpy(par->extradata, side, side_size);
4988 par->extradata_size = side_size;
4989 mov->need_rewrite_extradata = 1;
4993 return 0; /* Discard 0 sized packets */
4996 if (trk->entry && pkt->stream_index < s->nb_streams)
4997 frag_duration = av_rescale_q(pkt->dts - trk->cluster[0].dts,
4998 s->streams[pkt->stream_index]->time_base,
5000 if ((mov->max_fragment_duration &&
5001 frag_duration >= mov->max_fragment_duration) ||
5002 (mov->max_fragment_size && mov->mdat_size + size >= mov->max_fragment_size) ||
5003 (mov->flags & FF_MOV_FLAG_FRAG_KEYFRAME &&
5004 par->codec_type == AVMEDIA_TYPE_VIDEO &&
5005 trk->entry && pkt->flags & AV_PKT_FLAG_KEY)) {
5006 if (frag_duration >= mov->min_fragment_duration) {
5007 // Set the duration of this track to line up with the next
5008 // sample in this track. This avoids relying on AVPacket
5009 // duration, but only helps for this particular track, not
5010 // for the other ones that are flushed at the same time.
5011 trk->track_duration = pkt->dts - trk->start_dts;
5012 if (pkt->pts != AV_NOPTS_VALUE)
5013 trk->end_pts = pkt->pts;
5015 trk->end_pts = pkt->dts;
5016 trk->end_reliable = 1;
5017 mov_auto_flush_fragment(s, 0);
5021 return ff_mov_write_packet(s, pkt);
5024 static int mov_write_subtitle_end_packet(AVFormatContext *s,
5028 uint8_t data[2] = {0};
5031 av_init_packet(&end);
5032 end.size = sizeof(data);
5037 end.stream_index = stream_index;
5039 ret = mov_write_single_packet(s, &end);
5040 av_packet_unref(&end);
5045 static int mov_write_packet(AVFormatContext *s, AVPacket *pkt)
5048 mov_flush_fragment(s, 1);
5052 MOVMuxContext *mov = s->priv_data;
5053 MOVTrack *trk = &mov->tracks[pkt->stream_index];
5056 return mov_write_single_packet(s, pkt); /* Passthrough. */
5059 * Subtitles require special handling.
5061 * 1) For full complaince, every track must have a sample at
5062 * dts == 0, which is rarely true for subtitles. So, as soon
5063 * as we see any packet with dts > 0, write an empty subtitle
5064 * at dts == 0 for any subtitle track with no samples in it.
5066 * 2) For each subtitle track, check if the current packet's
5067 * dts is past the duration of the last subtitle sample. If
5068 * so, we now need to write an end sample for that subtitle.
5070 * This must be done conditionally to allow for subtitles that
5071 * immediately replace each other, in which case an end sample
5072 * is not needed, and is, in fact, actively harmful.
5074 * 3) See mov_write_trailer for how the final end sample is
5077 for (i = 0; i < mov->nb_streams; i++) {
5078 MOVTrack *trk = &mov->tracks[i];
5081 if (trk->par->codec_id == AV_CODEC_ID_MOV_TEXT &&
5082 trk->track_duration < pkt->dts &&
5083 (trk->entry == 0 || !trk->last_sample_is_subtitle_end)) {
5084 ret = mov_write_subtitle_end_packet(s, i, trk->track_duration);
5085 if (ret < 0) return ret;
5086 trk->last_sample_is_subtitle_end = 1;
5090 if (trk->mode == MODE_MOV && trk->par->codec_type == AVMEDIA_TYPE_VIDEO) {
5091 AVPacket *opkt = pkt;
5092 int reshuffle_ret, ret;
5093 if (trk->is_unaligned_qt_rgb) {
5094 int64_t bpc = trk->par->bits_per_coded_sample != 15 ? trk->par->bits_per_coded_sample : 16;
5095 int expected_stride = ((trk->par->width * bpc + 15) >> 4)*2;
5096 reshuffle_ret = ff_reshuffle_raw_rgb(s, &pkt, trk->par, expected_stride);
5097 if (reshuffle_ret < 0)
5098 return reshuffle_ret;
5101 if (trk->par->format == AV_PIX_FMT_PAL8 && !trk->pal_done) {
5102 ret = ff_get_packet_palette(s, opkt, reshuffle_ret, trk->palette);
5107 } else if (trk->par->codec_id == AV_CODEC_ID_RAWVIDEO &&
5108 (trk->par->format == AV_PIX_FMT_GRAY8 ||
5109 trk->par->format == AV_PIX_FMT_MONOBLACK)) {
5110 for (i = 0; i < pkt->size; i++)
5111 pkt->data[i] = ~pkt->data[i];
5113 if (reshuffle_ret) {
5114 ret = mov_write_single_packet(s, pkt);
5117 av_packet_free(&pkt);
5122 return mov_write_single_packet(s, pkt);
5126 // QuickTime chapters involve an additional text track with the chapter names
5127 // as samples, and a tref pointing from the other tracks to the chapter one.
5128 static int mov_create_chapter_track(AVFormatContext *s, int tracknum)
5132 MOVMuxContext *mov = s->priv_data;
5133 MOVTrack *track = &mov->tracks[tracknum];
5134 AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
5137 track->mode = mov->mode;
5138 track->tag = MKTAG('t','e','x','t');
5139 track->timescale = MOV_TIMESCALE;
5140 track->par = avcodec_parameters_alloc();
5142 return AVERROR(ENOMEM);
5143 track->par->codec_type = AVMEDIA_TYPE_SUBTITLE;
5145 // These properties are required to make QT recognize the chapter track
5146 uint8_t chapter_properties[43] = { 0, 0, 0, 0, 0, 0, 0, 1, };
5147 if (ff_alloc_extradata(track->par, sizeof(chapter_properties)))
5148 return AVERROR(ENOMEM);
5149 memcpy(track->par->extradata, chapter_properties, sizeof(chapter_properties));
5151 if (avio_open_dyn_buf(&pb) >= 0) {
5155 /* Stub header (usually for Quicktime chapter track) */
5157 avio_wb32(pb, 0x01); // displayFlags
5158 avio_w8(pb, 0x00); // horizontal justification
5159 avio_w8(pb, 0x00); // vertical justification
5160 avio_w8(pb, 0x00); // bgColourRed
5161 avio_w8(pb, 0x00); // bgColourGreen
5162 avio_w8(pb, 0x00); // bgColourBlue
5163 avio_w8(pb, 0x00); // bgColourAlpha
5165 avio_wb16(pb, 0x00); // defTextBoxTop
5166 avio_wb16(pb, 0x00); // defTextBoxLeft
5167 avio_wb16(pb, 0x00); // defTextBoxBottom
5168 avio_wb16(pb, 0x00); // defTextBoxRight
5170 avio_wb16(pb, 0x00); // startChar
5171 avio_wb16(pb, 0x00); // endChar
5172 avio_wb16(pb, 0x01); // fontID
5173 avio_w8(pb, 0x00); // fontStyleFlags
5174 avio_w8(pb, 0x00); // fontSize
5175 avio_w8(pb, 0x00); // fgColourRed
5176 avio_w8(pb, 0x00); // fgColourGreen
5177 avio_w8(pb, 0x00); // fgColourBlue
5178 avio_w8(pb, 0x00); // fgColourAlpha
5180 avio_wb32(pb, 0x0D); // box size
5181 ffio_wfourcc(pb, "ftab"); // box atom name
5182 avio_wb16(pb, 0x01); // entry count
5184 avio_wb16(pb, 0x01); // font ID
5185 avio_w8(pb, 0x00); // font name length
5187 if ((size = avio_close_dyn_buf(pb, &buf)) > 0) {
5188 track->par->extradata = buf;
5189 track->par->extradata_size = size;
5196 for (i = 0; i < s->nb_chapters; i++) {
5197 AVChapter *c = s->chapters[i];
5198 AVDictionaryEntry *t;
5200 int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE});
5201 pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE});
5202 pkt.duration = end - pkt.dts;
5204 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
5205 static const char encd[12] = {
5206 0x00, 0x00, 0x00, 0x0C,
5208 0x00, 0x00, 0x01, 0x00 };
5209 len = strlen(t->value);
5210 pkt.size = len + 2 + 12;
5211 pkt.data = av_malloc(pkt.size);
5213 return AVERROR(ENOMEM);
5214 AV_WB16(pkt.data, len);
5215 memcpy(pkt.data + 2, t->value, len);
5216 memcpy(pkt.data + len + 2, encd, sizeof(encd));
5217 ff_mov_write_packet(s, &pkt);
5218 av_freep(&pkt.data);
5226 static int mov_check_timecode_track(AVFormatContext *s, AVTimecode *tc, int src_index, const char *tcstr)
5230 /* compute the frame number */
5231 ret = av_timecode_init_from_string(tc, find_fps(s, s->streams[src_index]), tcstr, s);
5235 static int mov_create_timecode_track(AVFormatContext *s, int index, int src_index, AVTimecode tc)
5238 MOVMuxContext *mov = s->priv_data;
5239 MOVTrack *track = &mov->tracks[index];
5240 AVStream *src_st = s->streams[src_index];
5241 AVPacket pkt = {.stream_index = index, .flags = AV_PKT_FLAG_KEY, .size = 4};
5242 AVRational rate = find_fps(s, src_st);
5244 /* tmcd track based on video stream */
5245 track->mode = mov->mode;
5246 track->tag = MKTAG('t','m','c','d');
5247 track->src_track = src_index;
5248 track->timescale = mov->tracks[src_index].timescale;
5249 if (tc.flags & AV_TIMECODE_FLAG_DROPFRAME)
5250 track->timecode_flags |= MOV_TIMECODE_FLAG_DROPFRAME;
5252 /* set st to src_st for metadata access*/
5255 /* encode context: tmcd data stream */
5256 track->par = avcodec_parameters_alloc();
5258 return AVERROR(ENOMEM);
5259 track->par->codec_type = AVMEDIA_TYPE_DATA;
5260 track->par->codec_tag = track->tag;
5261 track->st->avg_frame_rate = av_inv_q(rate);
5263 /* the tmcd track just contains one packet with the frame number */
5264 pkt.data = av_malloc(pkt.size);
5266 return AVERROR(ENOMEM);
5267 AV_WB32(pkt.data, tc.start);
5268 ret = ff_mov_write_packet(s, &pkt);
5274 * st->disposition controls the "enabled" flag in the tkhd tag.
5275 * QuickTime will not play a track if it is not enabled. So make sure
5276 * that one track of each type (audio, video, subtitle) is enabled.
5278 * Subtitles are special. For audio and video, setting "enabled" also
5279 * makes the track "default" (i.e. it is rendered when played). For
5280 * subtitles, an "enabled" subtitle is not rendered by default, but
5281 * if no subtitle is enabled, the subtitle menu in QuickTime will be
5284 static void enable_tracks(AVFormatContext *s)
5286 MOVMuxContext *mov = s->priv_data;
5288 int enabled[AVMEDIA_TYPE_NB];
5289 int first[AVMEDIA_TYPE_NB];
5291 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
5296 for (i = 0; i < s->nb_streams; i++) {
5297 AVStream *st = s->streams[i];
5299 if (st->codecpar->codec_type <= AVMEDIA_TYPE_UNKNOWN ||
5300 st->codecpar->codec_type >= AVMEDIA_TYPE_NB)
5303 if (first[st->codecpar->codec_type] < 0)
5304 first[st->codecpar->codec_type] = i;
5305 if (st->disposition & AV_DISPOSITION_DEFAULT) {
5306 mov->tracks[i].flags |= MOV_TRACK_ENABLED;
5307 enabled[st->codecpar->codec_type]++;
5311 for (i = 0; i < AVMEDIA_TYPE_NB; i++) {
5313 case AVMEDIA_TYPE_VIDEO:
5314 case AVMEDIA_TYPE_AUDIO:
5315 case AVMEDIA_TYPE_SUBTITLE:
5317 mov->per_stream_grouping = 1;
5318 if (!enabled[i] && first[i] >= 0)
5319 mov->tracks[first[i]].flags |= MOV_TRACK_ENABLED;
5325 static void mov_free(AVFormatContext *s)
5327 MOVMuxContext *mov = s->priv_data;
5330 if (mov->chapter_track) {
5331 if (mov->tracks[mov->chapter_track].par)
5332 av_freep(&mov->tracks[mov->chapter_track].par->extradata);
5333 av_freep(&mov->tracks[mov->chapter_track].par);
5336 for (i = 0; i < mov->nb_streams; i++) {
5337 if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
5338 ff_mov_close_hinting(&mov->tracks[i]);
5339 else if (mov->tracks[i].tag == MKTAG('t','m','c','d') && mov->nb_meta_tmcd)
5340 av_freep(&mov->tracks[i].par);
5341 av_freep(&mov->tracks[i].cluster);
5342 av_freep(&mov->tracks[i].frag_info);
5344 if (mov->tracks[i].vos_len)
5345 av_freep(&mov->tracks[i].vos_data);
5347 ff_mov_cenc_free(&mov->tracks[i].cenc);
5350 av_freep(&mov->tracks);
5353 static uint32_t rgb_to_yuv(uint32_t rgb)
5358 r = (rgb >> 16) & 0xFF;
5359 g = (rgb >> 8) & 0xFF;
5362 y = av_clip_uint8(( 16000 + 257 * r + 504 * g + 98 * b)/1000);
5363 cb = av_clip_uint8((128000 - 148 * r - 291 * g + 439 * b)/1000);
5364 cr = av_clip_uint8((128000 + 439 * r - 368 * g - 71 * b)/1000);
5366 return (y << 16) | (cr << 8) | cb;
5369 static int mov_create_dvd_sub_decoder_specific_info(MOVTrack *track,
5372 int i, width = 720, height = 480;
5373 int have_palette = 0, have_size = 0;
5374 uint32_t palette[16];
5375 char *cur = st->codecpar->extradata;
5377 while (cur && *cur) {
5378 if (strncmp("palette:", cur, 8) == 0) {
5380 count = sscanf(cur + 8,
5381 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
5382 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
5383 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", "
5384 "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32"",
5385 &palette[ 0], &palette[ 1], &palette[ 2], &palette[ 3],
5386 &palette[ 4], &palette[ 5], &palette[ 6], &palette[ 7],
5387 &palette[ 8], &palette[ 9], &palette[10], &palette[11],
5388 &palette[12], &palette[13], &palette[14], &palette[15]);
5390 for (i = 0; i < count; i++) {
5391 palette[i] = rgb_to_yuv(palette[i]);
5394 } else if (!strncmp("size:", cur, 5)) {
5395 sscanf(cur + 5, "%dx%d", &width, &height);
5398 if (have_palette && have_size)
5400 cur += strcspn(cur, "\n\r");
5401 cur += strspn(cur, "\n\r");
5404 track->vos_data = av_malloc(16*4);
5405 if (!track->vos_data)
5406 return AVERROR(ENOMEM);
5407 for (i = 0; i < 16; i++) {
5408 AV_WB32(track->vos_data + i * 4, palette[i]);
5410 track->vos_len = 16 * 4;
5412 st->codecpar->width = width;
5413 st->codecpar->height = track->height = height;
5418 static int mov_write_header(AVFormatContext *s)
5420 AVIOContext *pb = s->pb;
5421 MOVMuxContext *mov = s->priv_data;
5422 AVDictionaryEntry *t, *global_tcr = av_dict_get(s->metadata, "timecode", NULL, 0);
5423 int i, ret, hint_track = 0, tmcd_track = 0;
5427 /* Default mode == MP4 */
5428 mov->mode = MODE_MP4;
5431 if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP;
5432 else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2;
5433 else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV;
5434 else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP;
5435 else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD;
5436 else if (!strcmp("ismv",s->oformat->name)) mov->mode = MODE_ISM;
5437 else if (!strcmp("f4v", s->oformat->name)) mov->mode = MODE_F4V;
5440 if (mov->flags & FF_MOV_FLAG_DELAY_MOOV)
5441 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV;
5443 /* Set the FRAGMENT flag if any of the fragmentation methods are
5445 if (mov->max_fragment_duration || mov->max_fragment_size ||
5446 mov->flags & (FF_MOV_FLAG_EMPTY_MOOV |
5447 FF_MOV_FLAG_FRAG_KEYFRAME |
5448 FF_MOV_FLAG_FRAG_CUSTOM))
5449 mov->flags |= FF_MOV_FLAG_FRAGMENT;
5451 /* Set other implicit flags immediately */
5452 if (mov->mode == MODE_ISM)
5453 mov->flags |= FF_MOV_FLAG_EMPTY_MOOV | FF_MOV_FLAG_SEPARATE_MOOF |
5454 FF_MOV_FLAG_FRAGMENT;
5455 if (mov->flags & FF_MOV_FLAG_DASH)
5456 mov->flags |= FF_MOV_FLAG_FRAGMENT | FF_MOV_FLAG_EMPTY_MOOV |
5457 FF_MOV_FLAG_DEFAULT_BASE_MOOF;
5459 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
5460 mov->reserved_moov_size = -1;
5463 if (mov->use_editlist < 0) {
5464 mov->use_editlist = 1;
5465 if (mov->flags & FF_MOV_FLAG_FRAGMENT &&
5466 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
5467 // If we can avoid needing an edit list by shifting the
5468 // tracks, prefer that over (trying to) write edit lists
5469 // in fragmented output.
5470 if (s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_AUTO ||
5471 s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_MAKE_ZERO)
5472 mov->use_editlist = 0;
5475 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV &&
5476 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV) && mov->use_editlist)
5477 av_log(s, AV_LOG_WARNING, "No meaningful edit list will be written when using empty_moov without delay_moov\n");
5479 if (!mov->use_editlist && s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_AUTO)
5480 s->avoid_negative_ts = AVFMT_AVOID_NEG_TS_MAKE_ZERO;
5482 /* Clear the omit_tfhd_offset flag if default_base_moof is set;
5483 * if the latter is set that's enough and omit_tfhd_offset doesn't
5484 * add anything extra on top of that. */
5485 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET &&
5486 mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)
5487 mov->flags &= ~FF_MOV_FLAG_OMIT_TFHD_OFFSET;
5489 if (mov->frag_interleave &&
5490 mov->flags & (FF_MOV_FLAG_OMIT_TFHD_OFFSET | FF_MOV_FLAG_SEPARATE_MOOF)) {
5491 av_log(s, AV_LOG_ERROR,
5492 "Sample interleaving in fragments is mutually exclusive with "
5493 "omit_tfhd_offset and separate_moof\n");
5494 return AVERROR(EINVAL);
5497 /* Non-seekable output is ok if using fragmentation. If ism_lookahead
5498 * is enabled, we don't support non-seekable output at all. */
5499 if (!s->pb->seekable &&
5500 (!(mov->flags & FF_MOV_FLAG_FRAGMENT) || mov->ism_lookahead)) {
5501 av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n");
5502 return AVERROR(EINVAL);
5505 if (!(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
5506 if ((ret = mov_write_identification(pb, s)) < 0)
5510 mov->nb_streams = s->nb_streams;
5511 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters)
5512 mov->chapter_track = mov->nb_streams++;
5514 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
5515 /* Add hint tracks for each audio and video stream */
5516 hint_track = mov->nb_streams;
5517 for (i = 0; i < s->nb_streams; i++) {
5518 AVStream *st = s->streams[i];
5519 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO ||
5520 st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
5526 if (mov->mode == MODE_MOV || mov->mode == MODE_MP4) {
5527 tmcd_track = mov->nb_streams;
5529 /* +1 tmcd track for each video stream with a timecode */
5530 for (i = 0; i < s->nb_streams; i++) {
5531 AVStream *st = s->streams[i];
5533 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO &&
5534 (t || (t=av_dict_get(st->metadata, "timecode", NULL, 0)))) {
5536 ret = mov_check_timecode_track(s, &tc, i, t->value);
5538 mov->nb_meta_tmcd++;
5542 /* check if there is already a tmcd track to remux */
5543 if (mov->nb_meta_tmcd) {
5544 for (i = 0; i < s->nb_streams; i++) {
5545 AVStream *st = s->streams[i];
5546 if (st->codecpar->codec_tag == MKTAG('t','m','c','d')) {
5547 av_log(s, AV_LOG_WARNING, "You requested a copy of the original timecode track "
5548 "so timecode metadata are now ignored\n");
5549 mov->nb_meta_tmcd = 0;
5554 mov->nb_streams += mov->nb_meta_tmcd;
5557 // Reserve an extra stream for chapters for the case where chapters
5558 // are written in the trailer
5559 mov->tracks = av_mallocz_array((mov->nb_streams + 1), sizeof(*mov->tracks));
5561 return AVERROR(ENOMEM);
5563 if (mov->encryption_scheme_str != NULL && strcmp(mov->encryption_scheme_str, "none") != 0) {
5564 if (strcmp(mov->encryption_scheme_str, "cenc-aes-ctr") == 0) {
5565 mov->encryption_scheme = MOV_ENC_CENC_AES_CTR;
5567 if (mov->encryption_key_len != AES_CTR_KEY_SIZE) {
5568 av_log(s, AV_LOG_ERROR, "Invalid encryption key len %d expected %d\n",
5569 mov->encryption_key_len, AES_CTR_KEY_SIZE);
5570 ret = AVERROR(EINVAL);
5574 if (mov->encryption_kid_len != CENC_KID_SIZE) {
5575 av_log(s, AV_LOG_ERROR, "Invalid encryption kid len %d expected %d\n",
5576 mov->encryption_kid_len, CENC_KID_SIZE);
5577 ret = AVERROR(EINVAL);
5581 av_log(s, AV_LOG_ERROR, "unsupported encryption scheme %s\n",
5582 mov->encryption_scheme_str);
5583 ret = AVERROR(EINVAL);
5588 for (i = 0; i < s->nb_streams; i++) {
5589 AVStream *st= s->streams[i];
5590 MOVTrack *track= &mov->tracks[i];
5591 AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0);
5594 track->par = st->codecpar;
5595 track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
5596 if (track->language < 0)
5597 track->language = 0;
5598 track->mode = mov->mode;
5599 track->tag = mov_find_codec_tag(s, track);
5601 av_log(s, AV_LOG_ERROR, "Could not find tag for codec %s in stream #%d, "
5602 "codec not currently supported in container\n",
5603 avcodec_get_name(st->codecpar->codec_id), i);
5604 ret = AVERROR(EINVAL);
5607 /* If hinting of this track is enabled by a later hint track,
5608 * this is updated. */
5609 track->hint_track = -1;
5610 track->start_dts = AV_NOPTS_VALUE;
5611 track->start_cts = AV_NOPTS_VALUE;
5612 track->end_pts = AV_NOPTS_VALUE;
5613 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
5614 if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') ||
5615 track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') ||
5616 track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) {
5617 if (st->codecpar->width != 720 || (st->codecpar->height != 608 && st->codecpar->height != 512)) {
5618 av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n");
5619 ret = AVERROR(EINVAL);
5622 track->height = track->tag >> 24 == 'n' ? 486 : 576;
5624 if (mov->video_track_timescale) {
5625 track->timescale = mov->video_track_timescale;
5627 track->timescale = st->time_base.den;
5628 while(track->timescale < 10000)
5629 track->timescale *= 2;
5631 if (st->codecpar->width > 65535 || st->codecpar->height > 65535) {
5632 av_log(s, AV_LOG_ERROR, "Resolution %dx%d too large for mov/mp4\n", st->codecpar->width, st->codecpar->height);
5633 ret = AVERROR(EINVAL);
5636 if (track->mode == MODE_MOV && track->timescale > 100000)
5637 av_log(s, AV_LOG_WARNING,
5638 "WARNING codec timebase is very high. If duration is too long,\n"
5639 "file may not be playable by quicktime. Specify a shorter timebase\n"
5640 "or choose different container.\n");
5641 if (track->mode == MODE_MOV &&
5642 track->par->codec_id == AV_CODEC_ID_RAWVIDEO &&
5643 track->tag == MKTAG('r','a','w',' ')) {
5644 enum AVPixelFormat pix_fmt = track->par->format;
5645 if (pix_fmt == AV_PIX_FMT_NONE && track->par->bits_per_coded_sample == 1)
5646 pix_fmt = AV_PIX_FMT_MONOWHITE;
5647 track->is_unaligned_qt_rgb =
5648 pix_fmt == AV_PIX_FMT_RGB24 ||
5649 pix_fmt == AV_PIX_FMT_BGR24 ||
5650 pix_fmt == AV_PIX_FMT_PAL8 ||
5651 pix_fmt == AV_PIX_FMT_GRAY8 ||
5652 pix_fmt == AV_PIX_FMT_MONOWHITE ||
5653 pix_fmt == AV_PIX_FMT_MONOBLACK;
5655 if (track->mode == MODE_MP4 &&
5656 track->par->codec_id == AV_CODEC_ID_VP9) {
5657 if (s->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
5658 av_log(s, AV_LOG_ERROR,
5659 "VP9 in MP4 support is experimental, add "
5660 "'-strict %d' if you want to use it.\n",
5661 FF_COMPLIANCE_EXPERIMENTAL);
5662 ret = AVERROR_EXPERIMENTAL;
5666 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
5667 track->timescale = st->codecpar->sample_rate;
5668 if (!st->codecpar->frame_size && !av_get_bits_per_sample(st->codecpar->codec_id)) {
5669 av_log(s, AV_LOG_WARNING, "track %d: codec frame size is not set\n", i);
5670 track->audio_vbr = 1;
5671 }else if (st->codecpar->codec_id == AV_CODEC_ID_ADPCM_MS ||
5672 st->codecpar->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV ||
5673 st->codecpar->codec_id == AV_CODEC_ID_ILBC){
5674 if (!st->codecpar->block_align) {
5675 av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set for adpcm\n", i);
5676 ret = AVERROR(EINVAL);
5679 track->sample_size = st->codecpar->block_align;
5680 }else if (st->codecpar->frame_size > 1){ /* assume compressed audio */
5681 track->audio_vbr = 1;
5683 track->sample_size = (av_get_bits_per_sample(st->codecpar->codec_id) >> 3) * st->codecpar->channels;
5685 if (st->codecpar->codec_id == AV_CODEC_ID_ILBC ||
5686 st->codecpar->codec_id == AV_CODEC_ID_ADPCM_IMA_QT) {
5687 track->audio_vbr = 1;
5689 if (track->mode != MODE_MOV &&
5690 track->par->codec_id == AV_CODEC_ID_MP3 && track->timescale < 16000) {
5691 if (s->strict_std_compliance >= FF_COMPLIANCE_NORMAL) {
5692 av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not standard, to mux anyway set strict to -1\n",
5693 i, track->par->sample_rate);
5694 ret = AVERROR(EINVAL);
5697 av_log(s, AV_LOG_WARNING, "track %d: muxing mp3 at %dhz is not standard in MP4\n",
5698 i, track->par->sample_rate);
5701 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE) {
5702 track->timescale = st->time_base.den;
5703 } else if (st->codecpar->codec_type == AVMEDIA_TYPE_DATA) {
5704 track->timescale = st->time_base.den;
5706 track->timescale = MOV_TIMESCALE;
5709 track->height = st->codecpar->height;
5710 /* The ism specific timescale isn't mandatory, but is assumed by
5711 * some tools, such as mp4split. */
5712 if (mov->mode == MODE_ISM)
5713 track->timescale = 10000000;
5715 avpriv_set_pts_info(st, 64, 1, track->timescale);
5717 /* copy extradata if it exists */
5718 if (st->codecpar->extradata_size) {
5719 if (st->codecpar->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
5720 mov_create_dvd_sub_decoder_specific_info(track, st);
5721 else if (!TAG_IS_AVCI(track->tag) && st->codecpar->codec_id != AV_CODEC_ID_DNXHD) {
5722 track->vos_len = st->codecpar->extradata_size;
5723 track->vos_data = av_malloc(track->vos_len);
5724 if (!track->vos_data) {
5725 ret = AVERROR(ENOMEM);
5728 memcpy(track->vos_data, st->codecpar->extradata, track->vos_len);
5732 if (mov->encryption_scheme == MOV_ENC_CENC_AES_CTR) {
5733 ret = ff_mov_cenc_init(&track->cenc, mov->encryption_key,
5734 track->par->codec_id == AV_CODEC_ID_H264, s->flags & AVFMT_FLAG_BITEXACT);
5741 for (i = 0; i < s->nb_streams; i++) {
5743 AVStream *st= s->streams[i];
5744 MOVTrack *track= &mov->tracks[i];
5746 if (st->codecpar->codec_type != AVMEDIA_TYPE_AUDIO ||
5747 track->par->channel_layout != AV_CH_LAYOUT_MONO)
5750 for (j = 0; j < s->nb_streams; j++) {
5751 AVStream *stj= s->streams[j];
5752 MOVTrack *trackj= &mov->tracks[j];
5756 if (stj->codecpar->codec_type != AVMEDIA_TYPE_AUDIO ||
5757 trackj->par->channel_layout != AV_CH_LAYOUT_MONO ||
5758 trackj->language != track->language ||
5759 trackj->tag != track->tag
5762 track->multichannel_as_mono++;
5769 if (mov->reserved_moov_size){
5770 mov->reserved_header_pos = avio_tell(pb);
5771 if (mov->reserved_moov_size > 0)
5772 avio_skip(pb, mov->reserved_moov_size);
5775 if (mov->flags & FF_MOV_FLAG_FRAGMENT) {
5776 /* If no fragmentation options have been set, set a default. */
5777 if (!(mov->flags & (FF_MOV_FLAG_FRAG_KEYFRAME |
5778 FF_MOV_FLAG_FRAG_CUSTOM)) &&
5779 !mov->max_fragment_duration && !mov->max_fragment_size)
5780 mov->flags |= FF_MOV_FLAG_FRAG_KEYFRAME;
5782 if (mov->flags & FF_MOV_FLAG_FASTSTART)
5783 mov->reserved_header_pos = avio_tell(pb);
5784 mov_write_mdat_tag(pb, mov);
5787 ff_parse_creation_time_metadata(s, &mov->time, 1);
5789 mov->time += 0x7C25B080; // 1970 based -> 1904 based
5791 if (mov->chapter_track)
5792 if ((ret = mov_create_chapter_track(s, mov->chapter_track)) < 0)
5795 if (mov->flags & FF_MOV_FLAG_RTP_HINT) {
5796 /* Initialize the hint tracks for each audio and video stream */
5797 for (i = 0; i < s->nb_streams; i++) {
5798 AVStream *st = s->streams[i];
5799 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO ||
5800 st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
5801 if ((ret = ff_mov_init_hinting(s, hint_track, i)) < 0)
5808 if (mov->nb_meta_tmcd) {
5809 /* Initialize the tmcd tracks */
5810 for (i = 0; i < s->nb_streams; i++) {
5811 AVStream *st = s->streams[i];
5814 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
5817 t = av_dict_get(st->metadata, "timecode", NULL, 0);
5820 if (mov_check_timecode_track(s, &tc, i, t->value) < 0)
5822 if ((ret = mov_create_timecode_track(s, tmcd_track, i, tc)) < 0)
5831 if (mov->flags & FF_MOV_FLAG_ISML)
5832 mov_write_isml_manifest(pb, mov, s);
5834 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV &&
5835 !(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
5836 if ((ret = mov_write_moov_tag(pb, mov, s)) < 0)
5839 mov->moov_written = 1;
5840 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
5841 mov->reserved_header_pos = avio_tell(pb);
5850 static int get_moov_size(AVFormatContext *s)
5853 AVIOContext *moov_buf;
5854 MOVMuxContext *mov = s->priv_data;
5856 if ((ret = ffio_open_null_buf(&moov_buf)) < 0)
5858 if ((ret = mov_write_moov_tag(moov_buf, mov, s)) < 0)
5860 return ffio_close_null_buf(moov_buf);
5863 static int get_sidx_size(AVFormatContext *s)
5867 MOVMuxContext *mov = s->priv_data;
5869 if ((ret = ffio_open_null_buf(&buf)) < 0)
5871 mov_write_sidx_tags(buf, mov, -1, 0);
5872 return ffio_close_null_buf(buf);
5876 * This function gets the moov size if moved to the top of the file: the chunk
5877 * offset table can switch between stco (32-bit entries) to co64 (64-bit
5878 * entries) when the moov is moved to the beginning, so the size of the moov
5879 * would change. It also updates the chunk offset tables.
5881 static int compute_moov_size(AVFormatContext *s)
5883 int i, moov_size, moov_size2;
5884 MOVMuxContext *mov = s->priv_data;
5886 moov_size = get_moov_size(s);
5890 for (i = 0; i < mov->nb_streams; i++)
5891 mov->tracks[i].data_offset += moov_size;
5893 moov_size2 = get_moov_size(s);
5897 /* if the size changed, we just switched from stco to co64 and need to
5898 * update the offsets */
5899 if (moov_size2 != moov_size)
5900 for (i = 0; i < mov->nb_streams; i++)
5901 mov->tracks[i].data_offset += moov_size2 - moov_size;
5906 static int compute_sidx_size(AVFormatContext *s)
5909 MOVMuxContext *mov = s->priv_data;
5911 sidx_size = get_sidx_size(s);
5915 for (i = 0; i < mov->nb_streams; i++)
5916 mov->tracks[i].data_offset += sidx_size;
5921 static int shift_data(AVFormatContext *s)
5923 int ret = 0, moov_size;
5924 MOVMuxContext *mov = s->priv_data;
5925 int64_t pos, pos_end = avio_tell(s->pb);
5926 uint8_t *buf, *read_buf[2];
5927 int read_buf_id = 0;
5929 AVIOContext *read_pb;
5931 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
5932 moov_size = compute_sidx_size(s);
5934 moov_size = compute_moov_size(s);
5938 buf = av_malloc(moov_size * 2);
5940 return AVERROR(ENOMEM);
5942 read_buf[1] = buf + moov_size;
5944 /* Shift the data: the AVIO context of the output can only be used for
5945 * writing, so we re-open the same output, but for reading. It also avoids
5946 * a read/seek/write/seek back and forth. */
5948 ret = s->io_open(s, &read_pb, s->filename, AVIO_FLAG_READ, NULL);
5950 av_log(s, AV_LOG_ERROR, "Unable to re-open %s output file for "
5951 "the second pass (faststart)\n", s->filename);
5955 /* mark the end of the shift to up to the last data we wrote, and get ready
5957 pos_end = avio_tell(s->pb);
5958 avio_seek(s->pb, mov->reserved_header_pos + moov_size, SEEK_SET);
5960 /* start reading at where the new moov will be placed */
5961 avio_seek(read_pb, mov->reserved_header_pos, SEEK_SET);
5962 pos = avio_tell(read_pb);
5964 #define READ_BLOCK do { \
5965 read_size[read_buf_id] = avio_read(read_pb, read_buf[read_buf_id], moov_size); \
5969 /* shift data by chunk of at most moov_size */
5974 n = read_size[read_buf_id];
5977 avio_write(s->pb, read_buf[read_buf_id], n);
5979 } while (pos < pos_end);
5980 ff_format_io_close(s, &read_pb);
5987 static int mov_write_trailer(AVFormatContext *s)
5989 MOVMuxContext *mov = s->priv_data;
5990 AVIOContext *pb = s->pb;
5995 if (mov->need_rewrite_extradata) {
5996 for (i = 0; i < s->nb_streams; i++) {
5997 MOVTrack *track = &mov->tracks[i];
5998 AVCodecParameters *par = track->par;
6000 track->vos_len = par->extradata_size;
6001 track->vos_data = av_malloc(track->vos_len);
6002 if (!track->vos_data) {
6003 res = AVERROR(ENOMEM);
6006 memcpy(track->vos_data, par->extradata, track->vos_len);
6008 mov->need_rewrite_extradata = 0;
6012 * Before actually writing the trailer, make sure that there are no
6013 * dangling subtitles, that need a terminating sample.
6015 for (i = 0; i < mov->nb_streams; i++) {
6016 MOVTrack *trk = &mov->tracks[i];
6017 if (trk->par->codec_id == AV_CODEC_ID_MOV_TEXT &&
6018 !trk->last_sample_is_subtitle_end) {
6019 mov_write_subtitle_end_packet(s, i, trk->track_duration);
6020 trk->last_sample_is_subtitle_end = 1;
6024 // If there were no chapters when the header was written, but there
6025 // are chapters now, write them in the trailer. This only works
6026 // when we are not doing fragments.
6027 if (!mov->chapter_track && !(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
6028 if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters) {
6029 mov->chapter_track = mov->nb_streams++;
6030 if ((res = mov_create_chapter_track(s, mov->chapter_track)) < 0)
6035 if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) {
6036 moov_pos = avio_tell(pb);
6038 /* Write size of mdat tag */
6039 if (mov->mdat_size + 8 <= UINT32_MAX) {
6040 avio_seek(pb, mov->mdat_pos, SEEK_SET);
6041 avio_wb32(pb, mov->mdat_size + 8);
6043 /* overwrite 'wide' placeholder atom */
6044 avio_seek(pb, mov->mdat_pos - 8, SEEK_SET);
6045 /* special value: real atom size will be 64 bit value after
6048 ffio_wfourcc(pb, "mdat");
6049 avio_wb64(pb, mov->mdat_size + 16);
6051 avio_seek(pb, mov->reserved_moov_size > 0 ? mov->reserved_header_pos : moov_pos, SEEK_SET);
6053 if (mov->flags & FF_MOV_FLAG_FASTSTART) {
6054 av_log(s, AV_LOG_INFO, "Starting second pass: moving the moov atom to the beginning of the file\n");
6055 res = shift_data(s);
6058 avio_seek(pb, mov->reserved_header_pos, SEEK_SET);
6059 if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
6061 } else if (mov->reserved_moov_size > 0) {
6063 if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
6065 size = mov->reserved_moov_size - (avio_tell(pb) - mov->reserved_header_pos);
6067 av_log(s, AV_LOG_ERROR, "reserved_moov_size is too small, needed %"PRId64" additional\n", 8-size);
6068 res = AVERROR(EINVAL);
6071 avio_wb32(pb, size);
6072 ffio_wfourcc(pb, "free");
6073 ffio_fill(pb, 0, size - 8);
6074 avio_seek(pb, moov_pos, SEEK_SET);
6076 if ((res = mov_write_moov_tag(pb, mov, s)) < 0)
6081 mov_auto_flush_fragment(s, 1);
6082 for (i = 0; i < mov->nb_streams; i++)
6083 mov->tracks[i].data_offset = 0;
6084 if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX) {
6086 av_log(s, AV_LOG_INFO, "Starting second pass: inserting sidx atoms\n");
6087 res = shift_data(s);
6090 end = avio_tell(pb);
6091 avio_seek(pb, mov->reserved_header_pos, SEEK_SET);
6092 mov_write_sidx_tags(pb, mov, -1, 0);
6093 avio_seek(pb, end, SEEK_SET);
6094 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_TRAILER);
6095 mov_write_mfra_tag(pb, mov);
6097 avio_write_marker(s->pb, AV_NOPTS_VALUE, AVIO_DATA_MARKER_TRAILER);
6098 mov_write_mfra_tag(pb, mov);
6108 #if CONFIG_MOV_MUXER
6110 AVOutputFormat ff_mov_muxer = {
6112 .long_name = NULL_IF_CONFIG_SMALL("QuickTime / MOV"),
6113 .extensions = "mov",
6114 .priv_data_size = sizeof(MOVMuxContext),
6115 .audio_codec = AV_CODEC_ID_AAC,
6116 .video_codec = CONFIG_LIBX264_ENCODER ?
6117 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
6118 .write_header = mov_write_header,
6119 .write_packet = mov_write_packet,
6120 .write_trailer = mov_write_trailer,
6121 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
6122 .codec_tag = (const AVCodecTag* const []){
6123 ff_codec_movvideo_tags, ff_codec_movaudio_tags, 0
6125 .priv_class = &mov_muxer_class,
6128 #if CONFIG_TGP_MUXER
6130 AVOutputFormat ff_tgp_muxer = {
6132 .long_name = NULL_IF_CONFIG_SMALL("3GP (3GPP file format)"),
6133 .extensions = "3gp",
6134 .priv_data_size = sizeof(MOVMuxContext),
6135 .audio_codec = AV_CODEC_ID_AMR_NB,
6136 .video_codec = AV_CODEC_ID_H263,
6137 .write_header = mov_write_header,
6138 .write_packet = mov_write_packet,
6139 .write_trailer = mov_write_trailer,
6140 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
6141 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
6142 .priv_class = &tgp_muxer_class,
6145 #if CONFIG_MP4_MUXER
6147 AVOutputFormat ff_mp4_muxer = {
6149 .long_name = NULL_IF_CONFIG_SMALL("MP4 (MPEG-4 Part 14)"),
6150 .mime_type = "video/mp4",
6151 .extensions = "mp4",
6152 .priv_data_size = sizeof(MOVMuxContext),
6153 .audio_codec = AV_CODEC_ID_AAC,
6154 .video_codec = CONFIG_LIBX264_ENCODER ?
6155 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
6156 .write_header = mov_write_header,
6157 .write_packet = mov_write_packet,
6158 .write_trailer = mov_write_trailer,
6159 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
6160 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
6161 .priv_class = &mp4_muxer_class,
6164 #if CONFIG_PSP_MUXER
6166 AVOutputFormat ff_psp_muxer = {
6168 .long_name = NULL_IF_CONFIG_SMALL("PSP MP4 (MPEG-4 Part 14)"),
6169 .extensions = "mp4,psp",
6170 .priv_data_size = sizeof(MOVMuxContext),
6171 .audio_codec = AV_CODEC_ID_AAC,
6172 .video_codec = CONFIG_LIBX264_ENCODER ?
6173 AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4,
6174 .write_header = mov_write_header,
6175 .write_packet = mov_write_packet,
6176 .write_trailer = mov_write_trailer,
6177 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
6178 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
6179 .priv_class = &psp_muxer_class,
6182 #if CONFIG_TG2_MUXER
6184 AVOutputFormat ff_tg2_muxer = {
6186 .long_name = NULL_IF_CONFIG_SMALL("3GP2 (3GPP2 file format)"),
6187 .extensions = "3g2",
6188 .priv_data_size = sizeof(MOVMuxContext),
6189 .audio_codec = AV_CODEC_ID_AMR_NB,
6190 .video_codec = AV_CODEC_ID_H263,
6191 .write_header = mov_write_header,
6192 .write_packet = mov_write_packet,
6193 .write_trailer = mov_write_trailer,
6194 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
6195 .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 },
6196 .priv_class = &tg2_muxer_class,
6199 #if CONFIG_IPOD_MUXER
6201 AVOutputFormat ff_ipod_muxer = {
6203 .long_name = NULL_IF_CONFIG_SMALL("iPod H.264 MP4 (MPEG-4 Part 14)"),
6204 .mime_type = "video/mp4",
6205 .extensions = "m4v,m4a",
6206 .priv_data_size = sizeof(MOVMuxContext),
6207 .audio_codec = AV_CODEC_ID_AAC,
6208 .video_codec = AV_CODEC_ID_H264,
6209 .write_header = mov_write_header,
6210 .write_packet = mov_write_packet,
6211 .write_trailer = mov_write_trailer,
6212 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
6213 .codec_tag = (const AVCodecTag* const []){ codec_ipod_tags, 0 },
6214 .priv_class = &ipod_muxer_class,
6217 #if CONFIG_ISMV_MUXER
6219 AVOutputFormat ff_ismv_muxer = {
6221 .long_name = NULL_IF_CONFIG_SMALL("ISMV/ISMA (Smooth Streaming)"),
6222 .mime_type = "video/mp4",
6223 .extensions = "ismv,isma",
6224 .priv_data_size = sizeof(MOVMuxContext),
6225 .audio_codec = AV_CODEC_ID_AAC,
6226 .video_codec = AV_CODEC_ID_H264,
6227 .write_header = mov_write_header,
6228 .write_packet = mov_write_packet,
6229 .write_trailer = mov_write_trailer,
6230 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE,
6231 .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 },
6232 .priv_class = &ismv_muxer_class,
6235 #if CONFIG_F4V_MUXER
6237 AVOutputFormat ff_f4v_muxer = {
6239 .long_name = NULL_IF_CONFIG_SMALL("F4V Adobe Flash Video"),
6240 .mime_type = "application/f4v",
6241 .extensions = "f4v",
6242 .priv_data_size = sizeof(MOVMuxContext),
6243 .audio_codec = AV_CODEC_ID_AAC,
6244 .video_codec = AV_CODEC_ID_H264,
6245 .write_header = mov_write_header,
6246 .write_packet = mov_write_packet,
6247 .write_trailer = mov_write_trailer,
6248 .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH,
6249 .codec_tag = (const AVCodecTag* const []){ codec_f4v_tags, 0 },
6250 .priv_class = &f4v_muxer_class,