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movenc: Allow interleaving samples when writing fragmented files
[libav.git] / libavformat / movenc.c
CommitLineData
1cb5f7fd 1/*
7fbde343 2 * MOV, 3GP, MP4 muxer
406792e7
DB		 3 * Copyright (c) 2003 Thomas Raivio
4 * Copyright (c) 2004 Gildas Bazin <gbazin at videolan dot org>
7c4502c8 5 * Copyright (c) 2009 Baptiste Coudurier <baptiste dot coudurier at gmail dot com>
1cb5f7fd 6 *
2912e87a 7 * This file is part of Libav.
b78e7197 8 *
2912e87a 9 * Libav is free software; you can redistribute it and/or
1cb5f7fd
MN		 10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation; either
b78e7197 12 * version 2.1 of the License, or (at your option) any later version.
1cb5f7fd 13 *
2912e87a 14 * Libav is distributed in the hope that it will be useful,
1cb5f7fd
MN		 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
18 *
19 * You should have received a copy of the GNU Lesser General Public
2912e87a 20 * License along with Libav; if not, write to the Free Software
5509bffa 21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
1cb5f7fd 22 */
4909e517 23
8f8bc923 24#include <stdint.h>
cba4e606 25#include <inttypes.h>
8f8bc923 26
f72dad41 27#include "movenc.h"
1cb5f7fd 28#include "avformat.h"
0abdb293 29#include "avio_internal.h"
9d9f4119 30#include "riff.h"
1cb5f7fd 31#include "avio.h"
e40ee6a2 32#include "isom.h"
1bd2d763 33#include "avc.h"
9106a698 34#include "libavcodec/get_bits.h"
b2755007 35#include "libavcodec/put_bits.h"
4d55e9de 36#include "libavcodec/vc1_common.h"
e977af6f
MS		 37#include "internal.h"
38#include "libavutil/avstring.h"
3383a53e 39#include "libavutil/intfloat.h"
0ebcdf5c 40#include "libavutil/mathematics.h"
91e3a25e 41#include "libavutil/opt.h"
d2d67e42 42#include "libavutil/dict.h"
20b40a59 43#include "hevc.h"
d16cccac 44#include "rtpenc.h"
1fdf18f4 45#include "mov_chan.h"
1cb5f7fd 46
6e6d6dc0
MN		 47#undef NDEBUG
48#include <assert.h>
49
91e3a25e 50static const AVOption options[] = {
d58dd4b5 51 { "movflags", "MOV muxer flags", offsetof(MOVMuxContext, flags), AV_OPT_TYPE_FLAGS, {.i64 = 0}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" },
124134e4 52 { "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" },
95a449d3 53 { "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" },
124134e4
MS		 54 { "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" },
55 { "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" },
56 { "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" },
57 { "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" },
f8ef91ff 58 { "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" },
e7bf085b 59 { "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" },
0897d2fd 60 { "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" },
cf589faa 61 { "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" },
2ded5737 62 { "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" },
ee37620b 63 { "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" },
847bf598 64 { "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" },
5354a904 65 FF_RTP_FLAG_OPTS(MOVMuxContext, rtp_flags),
e6153f17
MS		 66 { "skip_iods", "Skip writing iods atom.", offsetof(MOVMuxContext, iods_skip), AV_OPT_TYPE_INT, {.i64 = 0}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM},
67 { "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},
68 { "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},
69 { "frag_duration", "Maximum fragment duration", offsetof(MOVMuxContext, max_fragment_duration), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
70 { "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},
71 { "frag_size", "Maximum fragment size", offsetof(MOVMuxContext, max_fragment_size), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
72 { "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},
1e9db41e 73 { "brand", "Override major brand", offsetof(MOVMuxContext, major_brand), AV_OPT_TYPE_STRING, {.str = NULL}, .flags = AV_OPT_FLAG_ENCODING_PARAM },
1d8a0c1b 74 { "use_editlist", "use edit list", offsetof(MOVMuxContext, use_editlist), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 1, AV_OPT_FLAG_ENCODING_PARAM},
448c8cfe 75 { "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},
2cb9c2fc 76 { "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 },
91e3a25e
MS		 77 { NULL },
78};
79
a4ea00d0
AK		 80#define MOV_CLASS(flavor)\
81static const AVClass flavor ## _muxer_class = {\
82 .class_name = #flavor " muxer",\
83 .item_name = av_default_item_name,\
84 .option = options,\
85 .version = LIBAVUTIL_VERSION_INT,\
91e3a25e
MS		 86};
87
da9cc22d
JS		 88static int utf8len(const uint8_t *b)
89{
90 int len = 0;
91 int val;
92 while (*b) {
93 GET_UTF8(val, *b++, return -1;)
94 len++;
95 }
96 return len;
97}
98
90b5b51e 99//FIXME support 64 bit variant with wide placeholders
b7d3dd90 100static int64_t update_size(AVIOContext *pb, int64_t pos)
1cb5f7fd 101{
a2704c97 102 int64_t curpos = avio_tell(pb);
6b4aa5da 103 avio_seek(pb, pos, SEEK_SET);
77eb5504 104 avio_wb32(pb, curpos - pos); /* rewrite size */
6b4aa5da 105 avio_seek(pb, curpos, SEEK_SET);
6e6d6dc0
MN		 106
107 return curpos - pos;
1cb5f7fd
MN		 108}
109
60198742
CB		 110static int co64_required(const MOVTrack *track)
111{
112 if (track->entry > 0 && track->cluster[track->entry - 1].pos + track->data_offset > UINT32_MAX)
113 return 1;
114 return 0;
115}
116
e45ccf79 117/* Chunk offset atom */
ae628ec1 118static int mov_write_stco_tag(AVIOContext *pb, MOVTrack *track)
1cb5f7fd
MN		 119{
120 int i;
60198742 121 int mode64 = co64_required(track); // use 32 bit size variant if possible
a2704c97 122 int64_t pos = avio_tell(pb);
77eb5504 123 avio_wb32(pb, 0); /* size */
60198742 124 if (mode64) {
0abdb293 125 ffio_wfourcc(pb, "co64");
b29af723 126 } else
0abdb293 127 ffio_wfourcc(pb, "stco");
77eb5504
AK		 128 avio_wb32(pb, 0); /* version & flags */
129 avio_wb32(pb, track->entry); /* entry count */
21732063
MS		 130 for (i = 0; i < track->entry; i++) {
131 if (mode64 == 1)
0c7b8b75 132 avio_wb64(pb, track->cluster[i].pos + track->data_offset);
b29af723 133 else
0c7b8b75 134 avio_wb32(pb, track->cluster[i].pos + track->data_offset);
1cb5f7fd 135 }
b7d3dd90 136 return update_size(pb, pos);
1cb5f7fd
MN		 137}
138
e45ccf79 139/* Sample size atom */
ae628ec1 140static int mov_write_stsz_tag(AVIOContext *pb, MOVTrack *track)
1cb5f7fd 141{
f578f938 142 int equalChunks = 1;
e45ccf79 143 int i, j, entries = 0, tst = -1, oldtst = -1;
1cb5f7fd 144
a2704c97 145 int64_t pos = avio_tell(pb);
77eb5504 146 avio_wb32(pb, 0); /* size */
0abdb293 147 ffio_wfourcc(pb, "stsz");
77eb5504 148 avio_wb32(pb, 0); /* version & flags */
1cb5f7fd 149
21732063
MS		 150 for (i = 0; i < track->entry; i++) {
151 tst = track->cluster[i].size / track->cluster[i].entries;
152 if (oldtst != -1 && tst != oldtst)
e45ccf79 153 equalChunks = 0;
f578f938 154 oldtst = tst;
0aec3c5c 155 entries += track->cluster[i].entries;
f578f938 156 }
83988d58 157 if (equalChunks && track->entry) {
21732063 158 int sSize = track->entry ? track->cluster[0].size / track->cluster[0].entries : 0;
7fe3207e 159 sSize = FFMAX(1, sSize); // adpcm mono case could make sSize == 0
77eb5504
AK		 160 avio_wb32(pb, sSize); // sample size
161 avio_wb32(pb, entries); // sample count
21732063 162 } else {
77eb5504
AK		 163 avio_wb32(pb, 0); // sample size
164 avio_wb32(pb, entries); // sample count
21732063
MS		 165 for (i = 0; i < track->entry; i++) {
166 for (j = 0; j < track->cluster[i].entries; j++) {
77eb5504 167 avio_wb32(pb, track->cluster[i].size /
21732063 168 track->cluster[i].entries);
e45ccf79 169 }
1cb5f7fd
MN		 170 }
171 }
b7d3dd90 172 return update_size(pb, pos);
1cb5f7fd
MN		 173}
174
e45ccf79 175/* Sample to chunk atom */
ae628ec1 176static int mov_write_stsc_tag(AVIOContext *pb, MOVTrack *track)
1cb5f7fd 177{
b29af723 178 int index = 0, oldval = -1, i;
bc5c918e 179 int64_t entryPos, curpos;
f578f938 180
a2704c97 181 int64_t pos = avio_tell(pb);
77eb5504 182 avio_wb32(pb, 0); /* size */
0abdb293 183 ffio_wfourcc(pb, "stsc");
77eb5504 184 avio_wb32(pb, 0); // version & flags
a2704c97 185 entryPos = avio_tell(pb);
77eb5504 186 avio_wb32(pb, track->entry); // entry count
21732063
MS		 187 for (i = 0; i < track->entry; i++) {
188 if (oldval != track->cluster[i].samples_in_chunk) {
189 avio_wb32(pb, i + 1); // first chunk
b7d3dd90 190 avio_wb32(pb, track->cluster[i].samples_in_chunk); // samples per chunk
77eb5504 191 avio_wb32(pb, 0x1); // sample description index
b7d3dd90 192 oldval = track->cluster[i].samples_in_chunk;
f578f938 193 index++;
1cb5f7fd
MN		 194 }
195 }
a2704c97 196 curpos = avio_tell(pb);
6b4aa5da 197 avio_seek(pb, entryPos, SEEK_SET);
77eb5504 198 avio_wb32(pb, index); // rewrite size
6b4aa5da 199 avio_seek(pb, curpos, SEEK_SET);
1cb5f7fd 200
b7d3dd90 201 return update_size(pb, pos);
1cb5f7fd
MN		 202}
203
e45ccf79 204/* Sync sample atom */
ae628ec1 205static int mov_write_stss_tag(AVIOContext *pb, MOVTrack *track, uint32_t flag)
1cb5f7fd 206{
bc5c918e 207 int64_t curpos, entryPos;
b29af723 208 int i, index = 0;
a2704c97 209 int64_t pos = avio_tell(pb);
77eb5504 210 avio_wb32(pb, 0); // size
0abdb293 211 ffio_wfourcc(pb, flag == MOV_SYNC_SAMPLE ? "stss" : "stps");
77eb5504 212 avio_wb32(pb, 0); // version & flags
a2704c97 213 entryPos = avio_tell(pb);
77eb5504 214 avio_wb32(pb, track->entry); // entry count
21732063 215 for (i = 0; i < track->entry; i++) {
e1316b19 216 if (track->cluster[i].flags & flag) {
21732063 217 avio_wb32(pb, i + 1);
f578f938
TR		 218 index++;
219 }
220 }
a2704c97 221 curpos = avio_tell(pb);
6b4aa5da 222 avio_seek(pb, entryPos, SEEK_SET);
77eb5504 223 avio_wb32(pb, index); // rewrite size
6b4aa5da 224 avio_seek(pb, curpos, SEEK_SET);
b7d3dd90 225 return update_size(pb, pos);
1cb5f7fd
MN		 226}
227
ae628ec1 228static int mov_write_amr_tag(AVIOContext *pb, MOVTrack *track)
1cb5f7fd 229{
77eb5504 230 avio_wb32(pb, 0x11); /* size */
0abdb293
AK		 231 if (track->mode == MODE_MOV) ffio_wfourcc(pb, "samr");
232 else ffio_wfourcc(pb, "damr");
233 ffio_wfourcc(pb, "FFMP");
77eb5504 234 avio_w8(pb, 0); /* decoder version */
3a72cbd9 235
77eb5504
AK		 236 avio_wb16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */
237 avio_w8(pb, 0x00); /* Mode change period (no restriction) */
238 avio_w8(pb, 0x01); /* Frames per sample */
3a72cbd9
BC		 239 return 0x11;
240}
241
ae628ec1 242static int mov_write_ac3_tag(AVIOContext *pb, MOVTrack *track)
d4a240cb
BC		 243{
244 GetBitContext gbc;
245 PutBitContext pbc;
246 uint8_t buf[3];
247 int fscod, bsid, bsmod, acmod, lfeon, frmsizecod;
248
b7d3dd90 249 if (track->vos_len < 7)
d4a240cb
BC		 250 return -1;
251
77eb5504 252 avio_wb32(pb, 11);
0abdb293 253 ffio_wfourcc(pb, "dac3");
d4a240cb 254
b7d3dd90 255 init_get_bits(&gbc, track->vos_data + 4, (track->vos_len - 4) * 8);
d4a240cb
BC		 256 fscod = get_bits(&gbc, 2);
257 frmsizecod = get_bits(&gbc, 6);
258 bsid = get_bits(&gbc, 5);
259 bsmod = get_bits(&gbc, 3);
260 acmod = get_bits(&gbc, 3);
261 if (acmod == 2) {
262 skip_bits(&gbc, 2); // dsurmod
263 } else {
264 if ((acmod & 1) && acmod != 1)
265 skip_bits(&gbc, 2); // cmixlev
266 if (acmod & 4)
267 skip_bits(&gbc, 2); // surmixlev
268 }
269 lfeon = get_bits1(&gbc);
270
271 init_put_bits(&pbc, buf, sizeof(buf));
272 put_bits(&pbc, 2, fscod);
273 put_bits(&pbc, 5, bsid);
274 put_bits(&pbc, 3, bsmod);
275 put_bits(&pbc, 3, acmod);
276 put_bits(&pbc, 1, lfeon);
21732063 277 put_bits(&pbc, 5, frmsizecod >> 1); // bit_rate_code
d4a240cb
BC		 278 put_bits(&pbc, 5, 0); // reserved
279
280 flush_put_bits(&pbc);
77eb5504 281 avio_write(pb, buf, sizeof(buf));
d4a240cb
BC		 282
283 return 11;
284}
285
463e7afd
BC		 286/**
287 * This function writes extradata "as is".
da9cea77 288 * Extradata must be formatted like a valid atom (with size and tag).
463e7afd 289 */
ae628ec1 290static int mov_write_extradata_tag(AVIOContext *pb, MOVTrack *track)
463e7afd 291{
77eb5504 292 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
463e7afd
BC		 293 return track->enc->extradata_size;
294}
295
b7d3dd90 296static void put_descr(AVIOContext *pb, int tag, unsigned int size)
039627cf 297{
7e19a6e8 298 int i = 3;
77eb5504 299 avio_w8(pb, tag);
21732063
MS		 300 for (; i > 0; i--)
301 avio_w8(pb, (size >> (7 * i)) | 0x80);
77eb5504 302 avio_w8(pb, size & 0x7F);
039627cf
BC		 303}
304
ae628ec1 305static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track) // Basic
039627cf 306{
a2704c97 307 int64_t pos = avio_tell(pb);
b7d3dd90 308 int decoder_specific_info_len = track->vos_len ? 5 + track->vos_len : 0;
039627cf 309
77eb5504 310 avio_wb32(pb, 0); // size
0abdb293 311 ffio_wfourcc(pb, "esds");
77eb5504 312 avio_wb32(pb, 0); // Version
039627cf
BC		 313
314 // ES descriptor
b7d3dd90
MS		 315 put_descr(pb, 0x03, 3 + 5+13 + decoder_specific_info_len + 5+1);
316 avio_wb16(pb, track->track_id);
77eb5504 317 avio_w8(pb, 0x00); // flags (= no flags)
039627cf
BC		 318
319 // DecoderConfig descriptor
b7d3dd90 320 put_descr(pb, 0x04, 13 + decoder_specific_info_len);
039627cf
BC		 321
322 // Object type indication
36ef5369
AK		 323 if ((track->enc->codec_id == AV_CODEC_ID_MP2 ||
324 track->enc->codec_id == AV_CODEC_ID_MP3) &&
c4e02d70 325 track->enc->sample_rate > 24000)
77eb5504 326 avio_w8(pb, 0x6B); // 11172-3
dfce888f 327 else
77eb5504 328 avio_w8(pb, ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id));
039627cf
BC		 329
330 // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
331 // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
6adf3bc4
JS		 332 if (track->enc->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
333 avio_w8(pb, (0x38 << 2) | 1); // flags (= NeroSubpicStream)
334 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
77eb5504 335 avio_w8(pb, 0x15); // flags (= Audiostream)
039627cf 336 else
77eb5504 337 avio_w8(pb, 0x11); // flags (= Visualstream)
039627cf 338
61d36761 339 avio_wb24(pb, track->enc->rc_buffer_size >> 3); // Buffersize DB
039627cf 340
77eb5504 341 avio_wb32(pb, FFMAX(track->enc->bit_rate, track->enc->rc_max_rate)); // maxbitrate (FIXME should be max rate in any 1 sec window)
21732063
MS		 342 if (track->enc->rc_max_rate != track->enc->rc_min_rate ||
343 track->enc->rc_min_rate == 0)
77eb5504 344 avio_wb32(pb, 0); // vbr
039627cf 345 else
77eb5504 346 avio_wb32(pb, track->enc->rc_max_rate); // avg bitrate
039627cf 347
b7d3dd90 348 if (track->vos_len) {
039627cf 349 // DecoderSpecific info descriptor
b7d3dd90
MS		 350 put_descr(pb, 0x05, track->vos_len);
351 avio_write(pb, track->vos_data, track->vos_len);
039627cf
BC		 352 }
353
039627cf 354 // SL descriptor
b7d3dd90 355 put_descr(pb, 0x06, 1);
77eb5504 356 avio_w8(pb, 0x02);
b7d3dd90 357 return update_size(pb, pos);
039627cf
BC		 358}
359
ae628ec1 360static int mov_write_ms_tag(AVIOContext *pb, MOVTrack *track)
f2589642 361{
a2704c97 362 int64_t pos = avio_tell(pb);
77eb5504
AK		 363 avio_wb32(pb, 0);
364 avio_wl32(pb, track->tag); // store it byteswapped
795ed278 365 track->enc->codec_tag = av_bswap16(track->tag >> 16);
f2589642 366 ff_put_wav_header(pb, track->enc);
b7d3dd90 367 return update_size(pb, pos);
f2589642
BC		 368}
369
5d561514
MS		 370static int mov_write_wfex_tag(AVIOContext *pb, MOVTrack *track)
371{
372 int64_t pos = avio_tell(pb);
373 avio_wb32(pb, 0);
374 ffio_wfourcc(pb, "wfex");
375 ff_put_wav_header(pb, track->enc);
376 return update_size(pb, pos);
377}
378
1fdf18f4
JR		 379static int mov_write_chan_tag(AVIOContext *pb, MOVTrack *track)
380{
381 uint32_t layout_tag, bitmap;
382 int64_t pos = avio_tell(pb);
383
384 layout_tag = ff_mov_get_channel_layout_tag(track->enc->codec_id,
385 track->enc->channel_layout,
386 &bitmap);
387 if (!layout_tag) {
388 av_log(track->enc, AV_LOG_WARNING, "not writing 'chan' tag due to "
389 "lack of channel information\n");
390 return 0;
391 }
392
393 avio_wb32(pb, 0); // Size
394 ffio_wfourcc(pb, "chan"); // Type
395 avio_w8(pb, 0); // Version
396 avio_wb24(pb, 0); // Flags
397 avio_wb32(pb, layout_tag); // mChannelLayoutTag
398 avio_wb32(pb, bitmap); // mChannelBitmap
399 avio_wb32(pb, 0); // mNumberChannelDescriptions
400
b7d3dd90 401 return update_size(pb, pos);
1fdf18f4
JR		 402}
403
ae628ec1 404static int mov_write_wave_tag(AVIOContext *pb, MOVTrack *track)
69dde1ad 405{
a2704c97 406 int64_t pos = avio_tell(pb);
69dde1ad 407
77eb5504 408 avio_wb32(pb, 0); /* size */
0abdb293 409 ffio_wfourcc(pb, "wave");
69dde1ad 410
77eb5504 411 avio_wb32(pb, 12); /* size */
0abdb293 412 ffio_wfourcc(pb, "frma");
77eb5504 413 avio_wl32(pb, track->tag);
69dde1ad 414
36ef5369 415 if (track->enc->codec_id == AV_CODEC_ID_AAC) {
aa1c1c61 416 /* useless atom needed by mplayer, ipod, not needed by quicktime */
77eb5504 417 avio_wb32(pb, 12); /* size */
0abdb293 418 ffio_wfourcc(pb, "mp4a");
77eb5504 419 avio_wb32(pb, 0);
fcef991a 420 mov_write_esds_tag(pb, track);
36ef5369 421 } else if (track->enc->codec_id == AV_CODEC_ID_AMR_NB) {
b7d9da10 422 mov_write_amr_tag(pb, track);
36ef5369 423 } else if (track->enc->codec_id == AV_CODEC_ID_AC3) {
d4a240cb 424 mov_write_ac3_tag(pb, track);
36ef5369 425 } else if (track->enc->codec_id == AV_CODEC_ID_ALAC) {
463e7afd 426 mov_write_extradata_tag(pb, track);
36ef5369
AK		 427 } else if (track->enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
428 track->enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
f2589642 429 mov_write_ms_tag(pb, track);
fcef991a 430 }
69dde1ad 431
77eb5504
AK		 432 avio_wb32(pb, 8); /* size */
433 avio_wb32(pb, 0); /* null tag */
69dde1ad 434
b7d3dd90 435 return update_size(pb, pos);
69dde1ad
GB		 436}
437
4ace130e
MS		 438static int mov_write_dvc1_structs(MOVTrack *track, uint8_t *buf)
439{
440 uint8_t *unescaped;
441 const uint8_t *start, *next, *end = track->vos_data + track->vos_len;
442 int unescaped_size, seq_found = 0;
443 int level = 0, interlace = 0;
444 int packet_seq = track->vc1_info.packet_seq;
445 int packet_entry = track->vc1_info.packet_entry;
446 int slices = track->vc1_info.slices;
447 PutBitContext pbc;
448
449 if (track->start_dts == AV_NOPTS_VALUE) {
450 /* No packets written yet, vc1_info isn't authoritative yet. */
b3b0b35d 451 /* Assume inline sequence and entry headers. */
4ace130e 452 packet_seq = packet_entry = 1;
b3b0b35d
MS		 453 av_log(NULL, AV_LOG_WARNING,
454 "moov atom written before any packets, unable to write correct "
455 "dvc1 atom. Set the delay_moov flag to fix this.\n");
4ace130e
MS		 456 }
457
458 unescaped = av_mallocz(track->vos_len + FF_INPUT_BUFFER_PADDING_SIZE);
459 if (!unescaped)
460 return AVERROR(ENOMEM);
461 start = find_next_marker(track->vos_data, end);
462 for (next = start; next < end; start = next) {
463 GetBitContext gb;
464 int size;
465 next = find_next_marker(start + 4, end);
466 size = next - start - 4;
467 if (size <= 0)
468 continue;
469 unescaped_size = vc1_unescape_buffer(start + 4, size, unescaped);
470 init_get_bits(&gb, unescaped, 8 * unescaped_size);
471 if (AV_RB32(start) == VC1_CODE_SEQHDR) {
472 int profile = get_bits(&gb, 2);
473 if (profile != PROFILE_ADVANCED) {
474 av_free(unescaped);
475 return AVERROR(ENOSYS);
476 }
477 seq_found = 1;
478 level = get_bits(&gb, 3);
479 /* chromaformat, frmrtq_postproc, bitrtq_postproc, postprocflag,
480 * width, height */
481 skip_bits_long(&gb, 2 + 3 + 5 + 1 + 2*12);
482 skip_bits(&gb, 1); /* broadcast */
483 interlace = get_bits1(&gb);
484 skip_bits(&gb, 4); /* tfcntrflag, finterpflag, reserved, psf */
485 }
486 }
487 if (!seq_found) {
488 av_free(unescaped);
489 return AVERROR(ENOSYS);
490 }
491
492 init_put_bits(&pbc, buf, 7);
493 /* VC1DecSpecStruc */
494 put_bits(&pbc, 4, 12); /* profile - advanced */
495 put_bits(&pbc, 3, level);
496 put_bits(&pbc, 1, 0); /* reserved */
497 /* VC1AdvDecSpecStruc */
498 put_bits(&pbc, 3, level);
499 put_bits(&pbc, 1, 0); /* cbr */
500 put_bits(&pbc, 6, 0); /* reserved */
501 put_bits(&pbc, 1, !interlace); /* no interlace */
502 put_bits(&pbc, 1, !packet_seq); /* no multiple seq */
503 put_bits(&pbc, 1, !packet_entry); /* no multiple entry */
504 put_bits(&pbc, 1, !slices); /* no slice code */
505 put_bits(&pbc, 1, 0); /* no bframe */
506 put_bits(&pbc, 1, 0); /* reserved */
cf697771
AK		 507
508 /* framerate */
509 if (track->st->avg_frame_rate.num > 0 && track->st->avg_frame_rate.den > 0)
510 put_bits32(&pbc, track->st->avg_frame_rate.num / track->st->avg_frame_rate.den);
511 else
512 put_bits32(&pbc, 0xffffffff);
513
4ace130e
MS		 514 flush_put_bits(&pbc);
515
516 av_free(unescaped);
517
518 return 0;
519}
520
521static int mov_write_dvc1_tag(AVIOContext *pb, MOVTrack *track)
522{
523 uint8_t buf[7] = { 0 };
524 int ret;
525
526 if ((ret = mov_write_dvc1_structs(track, buf)) < 0)
527 return ret;
528
529 avio_wb32(pb, track->vos_len + 8 + sizeof(buf));
530 ffio_wfourcc(pb, "dvc1");
4ace130e
MS		 531 avio_write(pb, buf, sizeof(buf));
532 avio_write(pb, track->vos_data, track->vos_len);
533
534 return 0;
535}
536
ae628ec1 537static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track)
79e42311 538{
b7d3dd90 539 avio_wb32(pb, track->vos_len + 8);
0abdb293 540 ffio_wfourcc(pb, "glbl");
b7d3dd90
MS		 541 avio_write(pb, track->vos_data, track->vos_len);
542 return 8 + track->vos_len;
79e42311
BC		 543}
544
feaa8d11
BC		 545/**
546 * Compute flags for 'lpcm' tag.
547 * See CoreAudioTypes and AudioStreamBasicDescription at Apple.
548 */
36ef5369 549static int mov_get_lpcm_flags(enum AVCodecID codec_id)
feaa8d11
BC		 550{
551 switch (codec_id) {
36ef5369
AK		 552 case AV_CODEC_ID_PCM_F32BE:
553 case AV_CODEC_ID_PCM_F64BE:
feaa8d11 554 return 11;
36ef5369
AK		 555 case AV_CODEC_ID_PCM_F32LE:
556 case AV_CODEC_ID_PCM_F64LE:
feaa8d11 557 return 9;
36ef5369 558 case AV_CODEC_ID_PCM_U8:
feaa8d11 559 return 10;
36ef5369
AK		 560 case AV_CODEC_ID_PCM_S16BE:
561 case AV_CODEC_ID_PCM_S24BE:
562 case AV_CODEC_ID_PCM_S32BE:
feaa8d11 563 return 14;
36ef5369
AK		 564 case AV_CODEC_ID_PCM_S8:
565 case AV_CODEC_ID_PCM_S16LE:
566 case AV_CODEC_ID_PCM_S24LE:
567 case AV_CODEC_ID_PCM_S32LE:
feaa8d11
BC		 568 return 12;
569 default:
570 return 0;
571 }
572}
573
681d1726
JR		 574static int get_cluster_duration(MOVTrack *track, int cluster_idx)
575{
576 int64_t next_dts;
577
578 if (cluster_idx >= track->entry)
579 return 0;
580
581 if (cluster_idx + 1 == track->entry)
582 next_dts = track->track_duration + track->start_dts;
583 else
584 next_dts = track->cluster[cluster_idx + 1].dts;
585
586 return next_dts - track->cluster[cluster_idx].dts;
587}
588
f234e8a3
JR		 589static int get_samples_per_packet(MOVTrack *track)
590{
591 int i, first_duration;
592
593 /* use 1 for raw PCM */
594 if (!track->audio_vbr)
595 return 1;
596
597 /* check to see if duration is constant for all clusters */
598 if (!track->entry)
599 return 0;
600 first_duration = get_cluster_duration(track, 0);
601 for (i = 1; i < track->entry; i++) {
602 if (get_cluster_duration(track, i) != first_duration)
603 return 0;
604 }
605 return first_duration;
606}
607
ae628ec1 608static int mov_write_audio_tag(AVIOContext *pb, MOVTrack *track)
1cb5f7fd 609{
a2704c97 610 int64_t pos = avio_tell(pb);
feaa8d11
BC		 611 int version = 0;
612 uint32_t tag = track->tag;
613
614 if (track->mode == MODE_MOV) {
8e8c5131
JR		 615 if (mov_get_lpcm_flags(track->enc->codec_id))
616 tag = AV_RL32("lpcm");
617 version = 2;
feaa8d11 618 }
115329f1 619
77eb5504
AK		 620 avio_wb32(pb, 0); /* size */
621 avio_wl32(pb, tag); // store it byteswapped
622 avio_wb32(pb, 0); /* Reserved */
623 avio_wb16(pb, 0); /* Reserved */
624 avio_wb16(pb, 1); /* Data-reference index, XXX == 1 */
69dde1ad 625
e45ccf79 626 /* SoundDescription */
77eb5504
AK		 627 avio_wb16(pb, version); /* Version */
628 avio_wb16(pb, 0); /* Revision level */
629 avio_wb32(pb, 0); /* Reserved */
1cb5f7fd 630
feaa8d11 631 if (version == 2) {
77eb5504
AK		 632 avio_wb16(pb, 3);
633 avio_wb16(pb, 16);
634 avio_wb16(pb, 0xfffe);
635 avio_wb16(pb, 0);
636 avio_wb32(pb, 0x00010000);
637 avio_wb32(pb, 72);
3b5d4428 638 avio_wb64(pb, av_double2int(track->enc->sample_rate));
77eb5504
AK		 639 avio_wb32(pb, track->enc->channels);
640 avio_wb32(pb, 0x7F000000);
641 avio_wb32(pb, av_get_bits_per_sample(track->enc->codec_id));
642 avio_wb32(pb, mov_get_lpcm_flags(track->enc->codec_id));
b7d3dd90 643 avio_wb32(pb, track->sample_size);
f234e8a3 644 avio_wb32(pb, get_samples_per_packet(track));
feaa8d11 645 } else {
8e8c5131
JR		 646 /* reserved for mp4/3gp */
647 avio_wb16(pb, 2);
648 avio_wb16(pb, 16);
649 avio_wb16(pb, 0);
ef19c7eb 650
77eb5504 651 avio_wb16(pb, 0); /* packet size (= 0) */
dc878b96
AC		 652 avio_wb16(pb, track->enc->sample_rate <= UINT16_MAX ?
653 track->enc->sample_rate : 0);
77eb5504 654 avio_wb16(pb, 0); /* Reserved */
feaa8d11 655 }
1cb5f7fd 656
21732063
MS		 657 if (track->mode == MODE_MOV &&
658 (track->enc->codec_id == AV_CODEC_ID_AAC ||
659 track->enc->codec_id == AV_CODEC_ID_AC3 ||
660 track->enc->codec_id == AV_CODEC_ID_AMR_NB ||
661 track->enc->codec_id == AV_CODEC_ID_ALAC ||
662 track->enc->codec_id == AV_CODEC_ID_ADPCM_MS ||
663 track->enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV))
fcef991a 664 mov_write_wave_tag(pb, track);
21732063 665 else if (track->tag == MKTAG('m','p','4','a'))
3a72cbd9 666 mov_write_esds_tag(pb, track);
21732063 667 else if (track->enc->codec_id == AV_CODEC_ID_AMR_NB)
b7d9da10 668 mov_write_amr_tag(pb, track);
21732063 669 else if (track->enc->codec_id == AV_CODEC_ID_AC3)
4ed19420 670 mov_write_ac3_tag(pb, track);
21732063 671 else if (track->enc->codec_id == AV_CODEC_ID_ALAC)
709c9f8d 672 mov_write_extradata_tag(pb, track);
36ef5369 673 else if (track->enc->codec_id == AV_CODEC_ID_WMAPRO)
5d561514 674 mov_write_wfex_tag(pb, track);
b7d3dd90 675 else if (track->vos_len > 0)
79e42311 676 mov_write_glbl_tag(pb, track);
3a72cbd9 677
41e9682a
AC		 678 if (track->mode == MODE_MOV && track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
679 mov_write_chan_tag(pb, track);
680
b7d3dd90 681 return update_size(pb, pos);
1cb5f7fd
MN		 682}
683
ae628ec1 684static int mov_write_d263_tag(AVIOContext *pb)
1cb5f7fd 685{
77eb5504 686 avio_wb32(pb, 0xf); /* size */
0abdb293
AK		 687 ffio_wfourcc(pb, "d263");
688 ffio_wfourcc(pb, "FFMP");
77eb5504 689 avio_w8(pb, 0); /* decoder version */
87494ea0 690 /* FIXME use AVCodecContext level/profile, when encoder will set values */
77eb5504
AK		 691 avio_w8(pb, 0xa); /* level */
692 avio_w8(pb, 0); /* profile */
1cb5f7fd
MN		 693 return 0xf;
694}
695
f578f938 696/* TODO: No idea about these values */
ae628ec1 697static int mov_write_svq3_tag(AVIOContext *pb)
1cb5f7fd 698{
77eb5504 699 avio_wb32(pb, 0x15);
0abdb293
AK		 700 ffio_wfourcc(pb, "SMI ");
701 ffio_wfourcc(pb, "SEQH");
77eb5504
AK		 702 avio_wb32(pb, 0x5);
703 avio_wb32(pb, 0xe2c0211d);
704 avio_wb32(pb, 0xc0000000);
705 avio_w8(pb, 0);
f578f938 706 return 0x15;
1cb5f7fd
MN		 707}
708
ae628ec1 709static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track)
6e6eebf9 710{
a2704c97 711 int64_t pos = avio_tell(pb);
6e6eebf9 712
77eb5504 713 avio_wb32(pb, 0);
0abdb293 714 ffio_wfourcc(pb, "avcC");
b7d3dd90
MS		 715 ff_isom_write_avcc(pb, track->vos_data, track->vos_len);
716 return update_size(pb, pos);
c1b8e6d8
BC		 717}
718
20b40a59
TW		 719static int mov_write_hvcc_tag(AVIOContext *pb, MOVTrack *track)
720{
721 int64_t pos = avio_tell(pb);
722
723 avio_wb32(pb, 0);
724 ffio_wfourcc(pb, "hvcC");
725 ff_isom_write_hvcc(pb, track->vos_data, track->vos_len, 0);
726 return update_size(pb, pos);
727}
728
fc4cbc16 729/* also used by all avid codecs (dv, imx, meridien) and their variants */
ae628ec1 730static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track)
fc4cbc16
BC		 731{
732 int i;
77eb5504 733 avio_wb32(pb, 24); /* size */
0abdb293
AK		 734 ffio_wfourcc(pb, "ACLR");
735 ffio_wfourcc(pb, "ACLR");
736 ffio_wfourcc(pb, "0001");
304e983d 737 avio_wb32(pb, 2); /* yuv range: full 1 / normal 2 */
77eb5504 738 avio_wb32(pb, 0); /* unknown */
fc4cbc16 739
77eb5504 740 avio_wb32(pb, 24); /* size */
0abdb293
AK		 741 ffio_wfourcc(pb, "APRG");
742 ffio_wfourcc(pb, "APRG");
743 ffio_wfourcc(pb, "0001");
77eb5504
AK		 744 avio_wb32(pb, 1); /* unknown */
745 avio_wb32(pb, 0); /* unknown */
fc4cbc16 746
77eb5504 747 avio_wb32(pb, 120); /* size */
0abdb293
AK		 748 ffio_wfourcc(pb, "ARES");
749 ffio_wfourcc(pb, "ARES");
750 ffio_wfourcc(pb, "0001");
b7d3dd90 751 avio_wb32(pb, AV_RB32(track->vos_data + 0x28)); /* dnxhd cid, some id ? */
77eb5504 752 avio_wb32(pb, track->enc->width);
fc4cbc16 753 /* values below are based on samples created with quicktime and avid codecs */
b7d3dd90 754 if (track->vos_data[5] & 2) { // interlaced
21732063 755 avio_wb32(pb, track->enc->height / 2);
77eb5504
AK		 756 avio_wb32(pb, 2); /* unknown */
757 avio_wb32(pb, 0); /* unknown */
758 avio_wb32(pb, 4); /* unknown */
fc4cbc16 759 } else {
77eb5504
AK		 760 avio_wb32(pb, track->enc->height);
761 avio_wb32(pb, 1); /* unknown */
762 avio_wb32(pb, 0); /* unknown */
44fb8ebb 763 if (track->enc->height == 1080)
77eb5504 764 avio_wb32(pb, 5); /* unknown */
44fb8ebb 765 else
77eb5504 766 avio_wb32(pb, 6); /* unknown */
fc4cbc16
BC		 767 }
768 /* padding */
769 for (i = 0; i < 10; i++)
77eb5504 770 avio_wb64(pb, 0);
fc4cbc16
BC		 771
772 /* extra padding for stsd needed */
77eb5504 773 avio_wb32(pb, 0);
fc4cbc16
BC		 774 return 0;
775}
776
6b600285 777static int mp4_get_codec_tag(AVFormatContext *s, MOVTrack *track)
8e321619 778{
039627cf 779 int tag = track->enc->codec_tag;
2ab57c04 780
1a40491e 781 if (!ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id))
2ab57c04
BC		 782 return 0;
783
36ef5369 784 if (track->enc->codec_id == AV_CODEC_ID_H264) tag = MKTAG('a','v','c','1');
4f3db5d3 785 else if (track->enc->codec_id == AV_CODEC_ID_HEVC) tag = MKTAG('h','e','v','1');
36ef5369
AK		 786 else if (track->enc->codec_id == AV_CODEC_ID_AC3) tag = MKTAG('a','c','-','3');
787 else if (track->enc->codec_id == AV_CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c');
788 else if (track->enc->codec_id == AV_CODEC_ID_MOV_TEXT) tag = MKTAG('t','x','3','g');
789 else if (track->enc->codec_id == AV_CODEC_ID_VC1) tag = MKTAG('v','c','-','1');
21732063
MS		 790 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) tag = MKTAG('m','p','4','v');
791 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) tag = MKTAG('m','p','4','a');
6adf3bc4 792 else if (track->enc->codec_id == AV_CODEC_ID_DVD_SUBTITLE) tag = MKTAG('m','p','4','s');
6b600285
BC		 793
794 return tag;
795}
796
3c8d1447 797static const AVCodecTag codec_ipod_tags[] = {
21732063
MS		 798 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
799 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
800 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
801 { AV_CODEC_ID_ALAC, MKTAG('a','l','a','c') },
802 { AV_CODEC_ID_AC3, MKTAG('a','c','-','3') },
36ef5369
AK		 803 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
804 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') },
805 { AV_CODEC_ID_NONE, 0 },
3c8d1447
BC		 806};
807
6b600285
BC		 808static int ipod_get_codec_tag(AVFormatContext *s, MOVTrack *track)
809{
810 int tag = track->enc->codec_tag;
811
130ba4b1 812 // keep original tag for subs, ipod supports both formats
72415b2a 813 if (!(track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE &&
21732063
MS		 814 (tag == MKTAG('t', 'x', '3', 'g') ||
815 tag == MKTAG('t', 'e', 'x', 't'))))
1a40491e 816 tag = ff_codec_get_tag(codec_ipod_tags, track->enc->codec_id);
0872acc4 817
ade5b91d 818 if (!av_match_ext(s->filename, "m4a") && !av_match_ext(s->filename, "m4v"))
2ab57c04
BC		 819 av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a nor .m4v "
820 "Quicktime/Ipod might not play the file\n");
6b600285
BC		 821
822 return tag;
823}
824
825static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track)
826{
827 int tag;
828
06ed4873
BC		 829 if (track->enc->width == 720) /* SD */
830 if (track->enc->height == 480) /* NTSC */
716d413c 831 if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n');
21732063 832 else tag = MKTAG('d','v','c',' ');
716d413c
AK		 833 else if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p');
834 else if (track->enc->pix_fmt == AV_PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p');
21732063 835 else tag = MKTAG('d','v','p','p');
06ed4873 836 else if (track->enc->height == 720) /* HD 720 line */
194be1f4 837 if (track->st->time_base.den == 50) tag = MKTAG('d','v','h','q');
21732063 838 else tag = MKTAG('d','v','h','p');
06ed4873 839 else if (track->enc->height == 1080) /* HD 1080 line */
194be1f4 840 if (track->st->time_base.den == 25) tag = MKTAG('d','v','h','5');
21732063 841 else tag = MKTAG('d','v','h','6');
06ed4873
BC		 842 else {
843 av_log(s, AV_LOG_ERROR, "unsupported height for dv codec\n");
844 return 0;
845 }
6b600285
BC		 846
847 return tag;
848}
849
3c8d1447 850static const struct {
716d413c 851 enum AVPixelFormat pix_fmt;
3c8d1447
BC		 852 uint32_t tag;
853 unsigned bps;
854} mov_pix_fmt_tags[] = {
716d413c
AK		 855 { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 },
856 { AV_PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 },
857 { AV_PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 },
858 { AV_PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 },
859 { AV_PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 },
860 { AV_PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 },
861 { AV_PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 },
862 { AV_PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 },
863 { AV_PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 },
864 { AV_PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 },
865 { AV_PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 },
866 { AV_PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 },
867 { AV_PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 },
868 { AV_PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 },
3c8d1447
BC		 869};
870
6b600285
BC		 871static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track)
872{
873 int tag = track->enc->codec_tag;
2ab57c04
BC		 874 int i;
875
876 for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) {
877 if (track->enc->pix_fmt == mov_pix_fmt_tags[i].pix_fmt) {
878 tag = mov_pix_fmt_tags[i].tag;
879 track->enc->bits_per_coded_sample = mov_pix_fmt_tags[i].bps;
880 break;
881 }
882 }
6b600285
BC		 883
884 return tag;
885}
886
887static int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track)
888{
889 int tag = track->enc->codec_tag;
890
91e8d2eb 891 if (!tag || (s->strict_std_compliance >= FF_COMPLIANCE_NORMAL &&
36ef5369
AK		 892 (track->enc->codec_id == AV_CODEC_ID_DVVIDEO ||
893 track->enc->codec_id == AV_CODEC_ID_RAWVIDEO ||
894 track->enc->codec_id == AV_CODEC_ID_H263 ||
6b600285 895 av_get_bits_per_sample(track->enc->codec_id)))) { // pcm audio
36ef5369 896 if (track->enc->codec_id == AV_CODEC_ID_DVVIDEO)
6b600285 897 tag = mov_get_dv_codec_tag(s, track);
36ef5369 898 else if (track->enc->codec_id == AV_CODEC_ID_RAWVIDEO)
6b600285 899 tag = mov_get_rawvideo_codec_tag(s, track);
72415b2a 900 else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
167f3b8d 901 tag = ff_codec_get_tag(ff_codec_movvideo_tags, track->enc->codec_id);
08680ab8 902 if (!tag) { // if no mac fcc found, try with Microsoft tags
1a40491e 903 tag = ff_codec_get_tag(ff_codec_bmp_tags, track->enc->codec_id);
08680ab8 904 if (tag)
eb97dbb0 905 av_log(s, AV_LOG_WARNING, "Using MS style video codec tag, "
08680ab8
BC		 906 "the file may be unplayable!\n");
907 }
72415b2a 908 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
167f3b8d 909 tag = ff_codec_get_tag(ff_codec_movaudio_tags, track->enc->codec_id);
08680ab8 910 if (!tag) { // if no mac fcc found, try with Microsoft tags
1a40491e 911 int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->enc->codec_id);
08680ab8
BC		 912 if (ms_tag) {
913 tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff));
eb97dbb0 914 av_log(s, AV_LOG_WARNING, "Using MS style audio codec tag, "
08680ab8 915 "the file may be unplayable!\n");
d97f2144 916 }
08680ab8 917 }
72415b2a 918 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
1a40491e 919 tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->enc->codec_id);
a23c9c4a 920 }
2ab57c04 921
8e321619
BC		 922 return tag;
923}
924
3c8d1447 925static const AVCodecTag codec_3gp_tags[] = {
21732063
MS		 926 { AV_CODEC_ID_H263, MKTAG('s','2','6','3') },
927 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
928 { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') },
929 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
930 { AV_CODEC_ID_AMR_NB, MKTAG('s','a','m','r') },
931 { AV_CODEC_ID_AMR_WB, MKTAG('s','a','w','b') },
36ef5369
AK		 932 { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') },
933 { AV_CODEC_ID_NONE, 0 },
3c8d1447
BC		 934};
935
e01fba55
CB		 936static const AVCodecTag codec_f4v_tags[] = {
937 { AV_CODEC_ID_MP3, MKTAG('.','m','p','3') },
938 { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') },
939 { AV_CODEC_ID_H264, MKTAG('a','v','c','1') },
940 { AV_CODEC_ID_VP6A, MKTAG('V','P','6','A') },
941 { AV_CODEC_ID_VP6F, MKTAG('V','P','6','F') },
942 { AV_CODEC_ID_NONE, 0 },
943};
944
6b600285
BC		 945static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track)
946{
73b7437f 947 int tag;
6b600285 948
5d561514
MS		 949 if (track->mode == MODE_MP4 || track->mode == MODE_PSP)
950 tag = mp4_get_codec_tag(s, track);
951 else if (track->mode == MODE_ISM) {
6b600285 952 tag = mp4_get_codec_tag(s, track);
36ef5369 953 if (!tag && track->enc->codec_id == AV_CODEC_ID_WMAPRO)
5d561514
MS		 954 tag = MKTAG('w', 'm', 'a', ' ');
955 } else if (track->mode == MODE_IPOD)
6b600285
BC		 956 tag = ipod_get_codec_tag(s, track);
957 else if (track->mode & MODE_3GP)
1a40491e 958 tag = ff_codec_get_tag(codec_3gp_tags, track->enc->codec_id);
e01fba55
CB		 959 else if (track->mode == MODE_F4V)
960 tag = ff_codec_get_tag(codec_f4v_tags, track->enc->codec_id);
6b600285
BC		 961 else
962 tag = mov_get_codec_tag(s, track);
963
964 return tag;
965}
966
aa9f4208
BC		 967/** Write uuid atom.
968 * Needed to make file play in iPods running newest firmware
969 * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1
970 */
ae628ec1 971static int mov_write_uuid_tag_ipod(AVIOContext *pb)
aa9f4208 972{
77eb5504 973 avio_wb32(pb, 28);
0abdb293 974 ffio_wfourcc(pb, "uuid");
77eb5504
AK		 975 avio_wb32(pb, 0x6b6840f2);
976 avio_wb32(pb, 0x5f244fc5);
977 avio_wb32(pb, 0xba39a51b);
978 avio_wb32(pb, 0xcf0323f3);
979 avio_wb32(pb, 0x0);
aa9f4208
BC		 980 return 28;
981}
982
4bf3c8f2
AC		 983static const uint16_t fiel_data[] = {
984 0x0000, 0x0100, 0x0201, 0x0206, 0x0209, 0x020e
985};
986
987static int mov_write_fiel_tag(AVIOContext *pb, MOVTrack *track)
988{
989 unsigned mov_field_order = 0;
990 if (track->enc->field_order < FF_ARRAY_ELEMS(fiel_data))
991 mov_field_order = fiel_data[track->enc->field_order];
992 else
993 return 0;
994 avio_wb32(pb, 10);
995 ffio_wfourcc(pb, "fiel");
996 avio_wb16(pb, mov_field_order);
997 return 10;
998}
999
ae628ec1 1000static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track)
f6204886 1001{
a2704c97 1002 int64_t pos = avio_tell(pb);
77eb5504
AK		 1003 avio_wb32(pb, 0); /* size */
1004 avio_wl32(pb, track->tag); // store it byteswapped
1005 avio_wb32(pb, 0); /* Reserved */
1006 avio_wb16(pb, 0); /* Reserved */
1007 avio_wb16(pb, 1); /* Data-reference index */
f6204886 1008
6adf3bc4
JS		 1009 if (track->enc->codec_id == AV_CODEC_ID_DVD_SUBTITLE)
1010 mov_write_esds_tag(pb, track);
1011 else if (track->enc->extradata_size)
77eb5504 1012 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
f6204886 1013
b7d3dd90 1014 return update_size(pb, pos);
f6204886
DC		 1015}
1016
ae628ec1 1017static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track)
b015be21
BC		 1018{
1019 AVRational sar;
1020 av_reduce(&sar.num, &sar.den, track->enc->sample_aspect_ratio.num,
1021 track->enc->sample_aspect_ratio.den, INT_MAX);
1022
77eb5504 1023 avio_wb32(pb, 16);
0abdb293 1024 ffio_wfourcc(pb, "pasp");
77eb5504
AK		 1025 avio_wb32(pb, sar.num);
1026 avio_wb32(pb, sar.den);
b015be21
BC		 1027 return 16;
1028}
1029
ae628ec1 1030static int mov_write_video_tag(AVIOContext *pb, MOVTrack *track)
1cb5f7fd 1031{
0ba5299a 1032 AVDictionaryEntry *encoder;
a2704c97 1033 int64_t pos = avio_tell(pb);
a92be9b8 1034 char compressor_name[32] = { 0 };
8cc7a34d 1035
77eb5504
AK		 1036 avio_wb32(pb, 0); /* size */
1037 avio_wl32(pb, track->tag); // store it byteswapped
1038 avio_wb32(pb, 0); /* Reserved */
1039 avio_wb16(pb, 0); /* Reserved */
1040 avio_wb16(pb, 1); /* Data-reference index */
f578f938 1041
77eb5504
AK		 1042 avio_wb16(pb, 0); /* Codec stream version */
1043 avio_wb16(pb, 0); /* Codec stream revision (=0) */
5997ed78 1044 if (track->mode == MODE_MOV) {
0abdb293 1045 ffio_wfourcc(pb, "FFMP"); /* Vendor */
21732063 1046 if (track->enc->codec_id == AV_CODEC_ID_RAWVIDEO) {
77eb5504
AK		 1047 avio_wb32(pb, 0); /* Temporal Quality */
1048 avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/
915282e5 1049 } else {
77eb5504
AK		 1050 avio_wb32(pb, 0x200); /* Temporal Quality = normal */
1051 avio_wb32(pb, 0x200); /* Spatial Quality = normal */
915282e5 1052 }
5997ed78 1053 } else {
77eb5504
AK		 1054 avio_wb32(pb, 0); /* Reserved */
1055 avio_wb32(pb, 0); /* Reserved */
1056 avio_wb32(pb, 0); /* Reserved */
5997ed78 1057 }
77eb5504
AK		 1058 avio_wb16(pb, track->enc->width); /* Video width */
1059 avio_wb16(pb, track->height); /* Video height */
1060 avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */
1061 avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */
1062 avio_wb32(pb, 0); /* Data size (= 0) */
1063 avio_wb16(pb, 1); /* Frame count (= 1) */
115329f1 1064
5997ed78 1065 /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */
0ba5299a
AK		 1066 if (track->mode == MODE_MOV &&
1067 (encoder = av_dict_get(track->st->metadata, "encoder", NULL, 0)))
1068 av_strlcpy(compressor_name, encoder->value, 32);
77eb5504
AK		 1069 avio_w8(pb, strlen(compressor_name));
1070 avio_write(pb, compressor_name, 31);
115329f1 1071
dd1c8f3e 1072 if (track->mode == MODE_MOV && track->enc->bits_per_coded_sample)
77eb5504 1073 avio_wb16(pb, track->enc->bits_per_coded_sample);
ccac8438 1074 else
77eb5504
AK		 1075 avio_wb16(pb, 0x18); /* Reserved */
1076 avio_wb16(pb, 0xffff); /* Reserved */
21732063 1077 if (track->tag == MKTAG('m','p','4','v'))
f578f938 1078 mov_write_esds_tag(pb, track);
21732063 1079 else if (track->enc->codec_id == AV_CODEC_ID_H263)
f578f938 1080 mov_write_d263_tag(pb);
21732063 1081 else if (track->enc->codec_id == AV_CODEC_ID_SVQ3)
115329f1 1082 mov_write_svq3_tag(pb);
21732063 1083 else if (track->enc->codec_id == AV_CODEC_ID_DNXHD)
7b0f4c9a 1084 mov_write_avid_tag(pb, track);
20b40a59
TW		 1085 else if (track->enc->codec_id == AV_CODEC_ID_HEVC)
1086 mov_write_hvcc_tag(pb, track);
21732063 1087 else if (track->enc->codec_id == AV_CODEC_ID_H264) {
c1b8e6d8 1088 mov_write_avcc_tag(pb, track);
21732063 1089 if (track->mode == MODE_IPOD)
aa9f4208 1090 mov_write_uuid_tag_ipod(pb);
4bf3c8f2
AC		 1091 } else if (track->enc->field_order != AV_FIELD_UNKNOWN)
1092 mov_write_fiel_tag(pb, track);
36ef5369 1093 else if (track->enc->codec_id == AV_CODEC_ID_VC1 && track->vos_len > 0)
4ace130e 1094 mov_write_dvc1_tag(pb, track);
e01fba55
CB		 1095 else if (track->enc->codec_id == AV_CODEC_ID_VP6F ||
1096 track->enc->codec_id == AV_CODEC_ID_VP6A) {
1097 /* Don't write any potential extradata here - the cropping
1098 * is signalled via the normal width/height fields. */
1099 } else if (track->vos_len > 0)
79e42311 1100 mov_write_glbl_tag(pb, track);
f578f938 1101
d184c86c 1102 if (track->enc->sample_aspect_ratio.den && track->enc->sample_aspect_ratio.num &&
b015be21
BC		 1103 track->enc->sample_aspect_ratio.den != track->enc->sample_aspect_ratio.num) {
1104 mov_write_pasp_tag(pb, track);
1105 }
1106
b7d3dd90 1107 return update_size(pb, pos);
1cb5f7fd
MN		 1108}
1109
ae628ec1 1110static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track)
e977af6f 1111{
a2704c97 1112 int64_t pos = avio_tell(pb);
77eb5504 1113 avio_wb32(pb, 0); /* size */
0abdb293 1114 ffio_wfourcc(pb, "rtp ");
77eb5504
AK		 1115 avio_wb32(pb, 0); /* Reserved */
1116 avio_wb16(pb, 0); /* Reserved */
1117 avio_wb16(pb, 1); /* Data-reference index */
e977af6f 1118
77eb5504
AK		 1119 avio_wb16(pb, 1); /* Hint track version */
1120 avio_wb16(pb, 1); /* Highest compatible version */
1121 avio_wb32(pb, track->max_packet_size); /* Max packet size */
e977af6f 1122
77eb5504 1123 avio_wb32(pb, 12); /* size */
0abdb293 1124 ffio_wfourcc(pb, "tims");
77eb5504 1125 avio_wb32(pb, track->timescale);
e977af6f 1126
b7d3dd90 1127 return update_size(pb, pos);
e977af6f
MS		 1128}
1129
b89e8759
LB		 1130static int mov_write_tmcd_tag(AVIOContext *pb, MOVTrack *track)
1131{
1132 int64_t pos = avio_tell(pb);
1133
1134 avio_wb32(pb, 0); /* size */
1135 ffio_wfourcc(pb, "tmcd"); /* Data format */
1136 avio_wb32(pb, 0); /* Reserved */
1137 avio_wb32(pb, 1); /* Data reference index */
1138 if (track->enc->extradata_size)
1139 avio_write(pb, track->enc->extradata, track->enc->extradata_size);
1140 return update_size(pb, pos);
1141}
1142
ae628ec1 1143static int mov_write_stsd_tag(AVIOContext *pb, MOVTrack *track)
1cb5f7fd 1144{
a2704c97 1145 int64_t pos = avio_tell(pb);
77eb5504 1146 avio_wb32(pb, 0); /* size */
0abdb293 1147 ffio_wfourcc(pb, "stsd");
77eb5504
AK		 1148 avio_wb32(pb, 0); /* version & flags */
1149 avio_wb32(pb, 1); /* entry count */
72415b2a 1150 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
f578f938 1151 mov_write_video_tag(pb, track);
72415b2a 1152 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
f578f938 1153 mov_write_audio_tag(pb, track);
72415b2a 1154 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)
f6204886 1155 mov_write_subtitle_tag(pb, track);
e977af6f
MS		 1156 else if (track->enc->codec_tag == MKTAG('r','t','p',' '))
1157 mov_write_rtp_tag(pb, track);
b89e8759
LB		 1158 else if (track->enc->codec_tag == MKTAG('t','m','c','d'))
1159 mov_write_tmcd_tag(pb, track);
b7d3dd90 1160 return update_size(pb, pos);
1cb5f7fd
MN		 1161}
1162
ae628ec1 1163static int mov_write_ctts_tag(AVIOContext *pb, MOVTrack *track)
b4712e3c 1164{
c3e92a6c 1165 MOVStts *ctts_entries;
b4712e3c
BC		 1166 uint32_t entries = 0;
1167 uint32_t atom_size;
1168 int i;
1169
1170 ctts_entries = av_malloc((track->entry + 1) * sizeof(*ctts_entries)); /* worst case */
a8765852
HBL		 1171 if (!ctts_entries)
1172 return AVERROR(ENOMEM);
b4712e3c 1173 ctts_entries[0].count = 1;
0aec3c5c 1174 ctts_entries[0].duration = track->cluster[0].cts;
21732063 1175 for (i = 1; i < track->entry; i++) {
0aec3c5c 1176 if (track->cluster[i].cts == ctts_entries[entries].duration) {
b4712e3c
BC		 1177 ctts_entries[entries].count++; /* compress */
1178 } else {
1179 entries++;
0aec3c5c 1180 ctts_entries[entries].duration = track->cluster[i].cts;
b4712e3c
BC		 1181 ctts_entries[entries].count = 1;
1182 }
1183 }
1184 entries++; /* last one */
1185 atom_size = 16 + (entries * 8);
77eb5504 1186 avio_wb32(pb, atom_size); /* size */
0abdb293 1187 ffio_wfourcc(pb, "ctts");
77eb5504
AK		 1188 avio_wb32(pb, 0); /* version & flags */
1189 avio_wb32(pb, entries); /* entry count */
21732063 1190 for (i = 0; i < entries; i++) {
77eb5504
AK		 1191 avio_wb32(pb, ctts_entries[i].count);
1192 avio_wb32(pb, ctts_entries[i].duration);
b4712e3c
BC		 1193 }
1194 av_free(ctts_entries);
1195 return atom_size;
1196}
1197
e45ccf79 1198/* Time to sample atom */
ae628ec1 1199static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track)
1cb5f7fd 1200{
9731cf40 1201 MOVStts *stts_entries = NULL;
aa90239f
BC		 1202 uint32_t entries = -1;
1203 uint32_t atom_size;
1204 int i;
1205
72415b2a 1206 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) {
aa90239f 1207 stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */
a8765852
HBL		 1208 if (!stts_entries)
1209 return AVERROR(ENOMEM);
b7d3dd90 1210 stts_entries[0].count = track->sample_count;
aa90239f
BC		 1211 stts_entries[0].duration = 1;
1212 entries = 1;
1213 } else {
9731cf40
MS		 1214 if (track->entry) {
1215 stts_entries = av_malloc(track->entry * sizeof(*stts_entries)); /* worst case */
1216 if (!stts_entries)
1217 return AVERROR(ENOMEM);
1218 }
21732063 1219 for (i = 0; i < track->entry; i++) {
681d1726 1220 int duration = get_cluster_duration(track, i);
aa90239f
BC		 1221 if (i && duration == stts_entries[entries].duration) {
1222 stts_entries[entries].count++; /* compress */
1223 } else {
1224 entries++;
1225 stts_entries[entries].duration = duration;
1226 stts_entries[entries].count = 1;
1227 }
1228 }
1229 entries++; /* last one */
1230 }
1231 atom_size = 16 + (entries * 8);
77eb5504 1232 avio_wb32(pb, atom_size); /* size */
0abdb293 1233 ffio_wfourcc(pb, "stts");
77eb5504
AK		 1234 avio_wb32(pb, 0); /* version & flags */
1235 avio_wb32(pb, entries); /* entry count */
21732063 1236 for (i = 0; i < entries; i++) {
77eb5504
AK		 1237 avio_wb32(pb, stts_entries[i].count);
1238 avio_wb32(pb, stts_entries[i].duration);
aa90239f
BC		 1239 }
1240 av_free(stts_entries);
1241 return atom_size;
1cb5f7fd
MN		 1242}
1243
ae628ec1 1244static int mov_write_dref_tag(AVIOContext *pb)
1cb5f7fd 1245{
77eb5504 1246 avio_wb32(pb, 28); /* size */
0abdb293 1247 ffio_wfourcc(pb, "dref");
77eb5504
AK		 1248 avio_wb32(pb, 0); /* version & flags */
1249 avio_wb32(pb, 1); /* entry count */
1cb5f7fd 1250
77eb5504 1251 avio_wb32(pb, 0xc); /* size */
0abdb293 1252 ffio_wfourcc(pb, "url ");
77eb5504 1253 avio_wb32(pb, 1); /* version & flags */
1cb5f7fd
MN		 1254
1255 return 28;
1256}
1257
ae628ec1 1258static int mov_write_stbl_tag(AVIOContext *pb, MOVTrack *track)
1cb5f7fd 1259{
a2704c97 1260 int64_t pos = avio_tell(pb);
77eb5504 1261 avio_wb32(pb, 0); /* size */
0abdb293 1262 ffio_wfourcc(pb, "stbl");
6e6d6dc0
MN		 1263 mov_write_stsd_tag(pb, track);
1264 mov_write_stts_tag(pb, track);
e977af6f
MS		 1265 if ((track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1266 track->enc->codec_tag == MKTAG('r','t','p',' ')) &&
b7d3dd90 1267 track->has_keyframes && track->has_keyframes < track->entry)
e1316b19
BC		 1268 mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE);
1269 if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS)
1270 mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE);
72415b2a 1271 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO &&
847bf598 1272 track->flags & MOV_TRACK_CTTS && track->entry)
b4712e3c 1273 mov_write_ctts_tag(pb, track);
6e6d6dc0
MN		 1274 mov_write_stsc_tag(pb, track);
1275 mov_write_stsz_tag(pb, track);
1276 mov_write_stco_tag(pb, track);
b7d3dd90 1277 return update_size(pb, pos);
1cb5f7fd
MN		 1278}
1279
ae628ec1 1280static int mov_write_dinf_tag(AVIOContext *pb)
1cb5f7fd 1281{
a2704c97 1282 int64_t pos = avio_tell(pb);
77eb5504 1283 avio_wb32(pb, 0); /* size */
0abdb293 1284 ffio_wfourcc(pb, "dinf");
6e6d6dc0 1285 mov_write_dref_tag(pb);
b7d3dd90 1286 return update_size(pb, pos);
1cb5f7fd
MN		 1287}
1288
ae628ec1 1289static int mov_write_nmhd_tag(AVIOContext *pb)
f6204886 1290{
77eb5504 1291 avio_wb32(pb, 12);
0abdb293 1292 ffio_wfourcc(pb, "nmhd");
77eb5504 1293 avio_wb32(pb, 0);
f6204886
DC		 1294 return 12;
1295}
1296
ae628ec1 1297static int mov_write_gmhd_tag(AVIOContext *pb)
f6204886 1298{
77eb5504 1299 avio_wb32(pb, 0x20); /* size */
0abdb293 1300 ffio_wfourcc(pb, "gmhd");
77eb5504 1301 avio_wb32(pb, 0x18); /* gmin size */
0abdb293 1302 ffio_wfourcc(pb, "gmin");/* generic media info */
77eb5504
AK		 1303 avio_wb32(pb, 0); /* version & flags */
1304 avio_wb16(pb, 0x40); /* graphics mode = */
1305 avio_wb16(pb, 0x8000); /* opColor (r?) */
1306 avio_wb16(pb, 0x8000); /* opColor (g?) */
1307 avio_wb16(pb, 0x8000); /* opColor (b?) */
1308 avio_wb16(pb, 0); /* balance */
1309 avio_wb16(pb, 0); /* reserved */
f6204886
DC		 1310 return 0x20;
1311}
1312
ae628ec1 1313static int mov_write_smhd_tag(AVIOContext *pb)
1cb5f7fd 1314{
77eb5504 1315 avio_wb32(pb, 16); /* size */
0abdb293 1316 ffio_wfourcc(pb, "smhd");
77eb5504
AK		 1317 avio_wb32(pb, 0); /* version & flags */
1318 avio_wb16(pb, 0); /* reserved (balance, normally = 0) */
1319 avio_wb16(pb, 0); /* reserved */
1cb5f7fd
MN		 1320 return 16;
1321}
1322
ae628ec1 1323static int mov_write_vmhd_tag(AVIOContext *pb)
1cb5f7fd 1324{
77eb5504 1325 avio_wb32(pb, 0x14); /* size (always 0x14) */
0abdb293 1326 ffio_wfourcc(pb, "vmhd");
77eb5504
AK		 1327 avio_wb32(pb, 0x01); /* version & flags */
1328 avio_wb64(pb, 0); /* reserved (graphics mode = copy) */
1cb5f7fd
MN		 1329 return 0x14;
1330}
1331
99e22b78
MG		 1332static int is_clcp_track(MOVTrack *track)
1333{
1334 return track->tag == MKTAG('c','7','0','8') ||
1335 track->tag == MKTAG('c','6','0','8');
1336}
1337
ae628ec1 1338static int mov_write_hdlr_tag(AVIOContext *pb, MOVTrack *track)
1cb5f7fd 1339{
985688b8 1340 const char *hdlr, *descr = NULL, *hdlr_type = NULL;
a2704c97 1341 int64_t pos = avio_tell(pb);
115329f1 1342
67400f6b
LB		 1343 hdlr = "dhlr";
1344 hdlr_type = "url ";
1345 descr = "DataHandler";
1346
1347 if (track) {
bb270c08 1348 hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0";
72415b2a 1349 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
bb270c08 1350 hdlr_type = "vide";
21732063 1351 descr = "VideoHandler";
72415b2a 1352 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
bb270c08 1353 hdlr_type = "soun";
21732063 1354 descr = "SoundHandler";
72415b2a 1355 } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
f94371b1
MN		 1356 if (track->tag == MKTAG('t','x','3','g')) {
1357 hdlr_type = "sbtl";
1358 } else if (track->tag == MKTAG('m','p','4','s')) {
1359 hdlr_type = "subp";
99e22b78
MG		 1360 } else if (is_clcp_track(track)) {
1361 hdlr_type = "clcp";
f94371b1
MN		 1362 } else {
1363 hdlr_type = "text";
1364 }
f6204886 1365 descr = "SubtitleHandler";
e977af6f
MS		 1366 } else if (track->enc->codec_tag == MKTAG('r','t','p',' ')) {
1367 hdlr_type = "hint";
21732063 1368 descr = "HintHandler";
67400f6b
LB		 1369 } else if (track->enc->codec_tag == MKTAG('t','m','c','d')) {
1370 hdlr_type = "tmcd";
1371 descr = "TimeCodeHandler";
1372 } else {
1373 char tag_buf[32];
1374 av_get_codec_tag_string(tag_buf, sizeof(tag_buf),
1375 track->enc->codec_tag);
1376
1377 av_log(track->enc, AV_LOG_WARNING,
1378 "Unknown hldr_type for %s / 0x%04X, writing dummy values\n",
1379 tag_buf, track->enc->codec_tag);
bb270c08 1380 }
da9cc22d
JS		 1381 if (track->st) {
1382 // hdlr.name is used by some players to identify the content title
1383 // of the track. So if an alternate handler description is
1384 // specified, use it.
1385 AVDictionaryEntry *t;
1386 t = av_dict_get(track->st->metadata, "handler", NULL, 0);
1387 if (t && utf8len(t->value))
1388 descr = t->value;
1389 }
9a4d9388 1390 }
115329f1 1391
77eb5504 1392 avio_wb32(pb, 0); /* size */
0abdb293 1393 ffio_wfourcc(pb, "hdlr");
77eb5504
AK		 1394 avio_wb32(pb, 0); /* Version & flags */
1395 avio_write(pb, hdlr, 4); /* handler */
0abdb293 1396 ffio_wfourcc(pb, hdlr_type); /* handler type */
21732063
MS		 1397 avio_wb32(pb, 0); /* reserved */
1398 avio_wb32(pb, 0); /* reserved */
1399 avio_wb32(pb, 0); /* reserved */
606d48ce 1400 if (!track || track->mode == MODE_MOV)
77eb5504
AK		 1401 avio_w8(pb, strlen(descr)); /* pascal string */
1402 avio_write(pb, descr, strlen(descr)); /* handler description */
606d48ce 1403 if (track && track->mode != MODE_MOV)
77eb5504 1404 avio_w8(pb, 0); /* c string */
b7d3dd90 1405 return update_size(pb, pos);
9a4d9388
RS		 1406}
1407
ae628ec1 1408static int mov_write_hmhd_tag(AVIOContext *pb)
e977af6f
MS		 1409{
1410 /* This atom must be present, but leaving the values at zero
1411 * seems harmless. */
77eb5504 1412 avio_wb32(pb, 28); /* size */
0abdb293 1413 ffio_wfourcc(pb, "hmhd");
77eb5504
AK		 1414 avio_wb32(pb, 0); /* version, flags */
1415 avio_wb16(pb, 0); /* maxPDUsize */
1416 avio_wb16(pb, 0); /* avgPDUsize */
1417 avio_wb32(pb, 0); /* maxbitrate */
1418 avio_wb32(pb, 0); /* avgbitrate */
1419 avio_wb32(pb, 0); /* reserved */
e977af6f
MS		 1420 return 28;
1421}
1422
ae628ec1 1423static int mov_write_minf_tag(AVIOContext *pb, MOVTrack *track)
9a4d9388 1424{
a2704c97 1425 int64_t pos = avio_tell(pb);
77eb5504 1426 avio_wb32(pb, 0); /* size */
0abdb293 1427 ffio_wfourcc(pb, "minf");
21732063 1428 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO)
9a4d9388 1429 mov_write_vmhd_tag(pb);
72415b2a 1430 else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
9a4d9388 1431 mov_write_smhd_tag(pb);
72415b2a 1432 else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) {
99e22b78
MG		 1433 if (track->tag == MKTAG('t','e','x','t') || is_clcp_track(track)) {
1434 mov_write_gmhd_tag(pb);
1435 } else {
1436 mov_write_nmhd_tag(pb);
1437 }
e977af6f
MS		 1438 } else if (track->tag == MKTAG('r','t','p',' ')) {
1439 mov_write_hmhd_tag(pb);
b89e8759
LB		 1440 } else if (track->tag == MKTAG('t','m','c','d')) {
1441 mov_write_gmhd_tag(pb);
f6204886 1442 }
9a4d9388
RS		 1443 if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */
1444 mov_write_hdlr_tag(pb, NULL);
1445 mov_write_dinf_tag(pb);
1446 mov_write_stbl_tag(pb, track);
b7d3dd90 1447 return update_size(pb, pos);
1cb5f7fd
MN		 1448}
1449
00c67fe1
MS		 1450static int mov_write_mdhd_tag(AVIOContext *pb, MOVMuxContext *mov,
1451 MOVTrack *track)
1cb5f7fd 1452{
b7d3dd90 1453 int version = track->track_duration < INT32_MAX ? 0 : 1;
a3a80ddc 1454
53026339
MS		 1455 if (track->mode == MODE_ISM)
1456 version = 1;
1457
77eb5504 1458 (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */
0abdb293 1459 ffio_wfourcc(pb, "mdhd");
77eb5504
AK		 1460 avio_w8(pb, version);
1461 avio_wb24(pb, 0); /* flags */
a3a80ddc 1462 if (version == 1) {
77eb5504
AK		 1463 avio_wb64(pb, track->time);
1464 avio_wb64(pb, track->time);
a3a80ddc 1465 } else {
77eb5504
AK		 1466 avio_wb32(pb, track->time); /* creation time */
1467 avio_wb32(pb, track->time); /* modification time */
a3a80ddc 1468 }
77eb5504 1469 avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */
00c67fe1 1470 if (!track->entry && mov->mode == MODE_ISM)
99a357f4 1471 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
00c67fe1
MS		 1472 else if (!track->entry)
1473 (version == 1) ? avio_wb64(pb, 0) : avio_wb32(pb, 0);
99a357f4
MS		 1474 else
1475 (version == 1) ? avio_wb64(pb, track->track_duration) : avio_wb32(pb, track->track_duration); /* duration */
77eb5504
AK		 1476 avio_wb16(pb, track->language); /* language */
1477 avio_wb16(pb, 0); /* reserved (quality) */
db8f4a92 1478
21732063 1479 if (version != 0 && track->mode == MODE_MOV) {
db8f4a92 1480 av_log(NULL, AV_LOG_ERROR,
21732063
MS		 1481 "FATAL error, file duration too long for timebase, this file will not be\n"
1482 "playable with quicktime. Choose a different timebase or a different\n"
1483 "container format\n");
db8f4a92
MN		 1484 }
1485
1cb5f7fd
MN		 1486 return 32;
1487}
1488
00c67fe1
MS		 1489static int mov_write_mdia_tag(AVIOContext *pb, MOVMuxContext *mov,
1490 MOVTrack *track)
1cb5f7fd 1491{
a2704c97 1492 int64_t pos = avio_tell(pb);
77eb5504 1493 avio_wb32(pb, 0); /* size */
0abdb293 1494 ffio_wfourcc(pb, "mdia");
00c67fe1 1495 mov_write_mdhd_tag(pb, mov, track);
6e6d6dc0
MN		 1496 mov_write_hdlr_tag(pb, track);
1497 mov_write_minf_tag(pb, track);
b7d3dd90 1498 return update_size(pb, pos);
1cb5f7fd
MN		 1499}
1500
f9072969
LB		 1501static int mov_write_tkhd_tag(AVIOContext *pb, MOVMuxContext *mov,
1502 MOVTrack *track, AVStream *st)
1cb5f7fd 1503{
b7d3dd90 1504 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
729ef3ba 1505 track->timescale, AV_ROUND_UP);
a3a80ddc 1506 int version = duration < INT32_MAX ? 0 : 1;
df2aa222 1507 int flags = MOV_TKHD_FLAG_IN_MOVIE;
f9072969
LB		 1508 int group = 0;
1509
df2aa222 1510
f9072969
LB		 1511 if (st) {
1512 if (mov->per_stream_grouping)
1513 group = st->index;
1514 else
1515 group = st->codec->codec_type;
1516 }
a3a80ddc 1517
df2aa222
LB		 1518 if (track->flags & MOV_TRACK_ENABLED)
1519 flags |= MOV_TKHD_FLAG_ENABLED;
1520
53026339
MS		 1521 if (track->mode == MODE_ISM)
1522 version = 1;
1523
77eb5504 1524 (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */
0abdb293 1525 ffio_wfourcc(pb, "tkhd");
77eb5504 1526 avio_w8(pb, version);
df2aa222 1527 avio_wb24(pb, flags);
a3a80ddc 1528 if (version == 1) {
77eb5504
AK		 1529 avio_wb64(pb, track->time);
1530 avio_wb64(pb, track->time);
a3a80ddc 1531 } else {
77eb5504
AK		 1532 avio_wb32(pb, track->time); /* creation time */
1533 avio_wb32(pb, track->time); /* modification time */
a3a80ddc 1534 }
b7d3dd90 1535 avio_wb32(pb, track->track_id); /* track-id */
77eb5504 1536 avio_wb32(pb, 0); /* reserved */
00c67fe1 1537 if (!track->entry && mov->mode == MODE_ISM)
99a357f4 1538 (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff);
00c67fe1
MS		 1539 else if (!track->entry)
1540 (version == 1) ? avio_wb64(pb, 0) : avio_wb32(pb, 0);
99a357f4
MS		 1541 else
1542 (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration);
1cb5f7fd 1543
77eb5504
AK		 1544 avio_wb32(pb, 0); /* reserved */
1545 avio_wb32(pb, 0); /* reserved */
7574cacb 1546 avio_wb16(pb, 0); /* layer */
f9072969 1547 avio_wb16(pb, group); /* alternate group) */
1cb5f7fd 1548 /* Volume, only for audio */
21732063 1549 if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
77eb5504 1550 avio_wb16(pb, 0x0100);
1cb5f7fd 1551 else
77eb5504
AK		 1552 avio_wb16(pb, 0);
1553 avio_wb16(pb, 0); /* reserved */
1cb5f7fd
MN		 1554
1555 /* Matrix structure */
77eb5504
AK		 1556 avio_wb32(pb, 0x00010000); /* reserved */
1557 avio_wb32(pb, 0x0); /* reserved */
1558 avio_wb32(pb, 0x0); /* reserved */
1559 avio_wb32(pb, 0x0); /* reserved */
1560 avio_wb32(pb, 0x00010000); /* reserved */
1561 avio_wb32(pb, 0x0); /* reserved */
1562 avio_wb32(pb, 0x0); /* reserved */
1563 avio_wb32(pb, 0x0); /* reserved */
1564 avio_wb32(pb, 0x40000000); /* reserved */
1cb5f7fd
MN		 1565
1566 /* Track width and height, for visual only */
21732063
MS		 1567 if (st && (track->enc->codec_type == AVMEDIA_TYPE_VIDEO ||
1568 track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)) {
1569 if (track->mode == MODE_MOV) {
ea1afa12 1570 avio_wb32(pb, track->enc->width << 16);
fffdee89 1571 avio_wb32(pb, track->height << 16);
ea1afa12 1572 } else {
77d207cb 1573 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
21732063 1574 if (!sample_aspect_ratio || track->height != track->enc->height)
77d207cb 1575 sample_aspect_ratio = 1;
21732063
MS		 1576 avio_wb32(pb, sample_aspect_ratio * track->enc->width * 0x10000);
1577 avio_wb32(pb, track->height * 0x10000);
ea1afa12 1578 }
21732063 1579 } else {
77eb5504
AK		 1580 avio_wb32(pb, 0);
1581 avio_wb32(pb, 0);
1cb5f7fd
MN		 1582 }
1583 return 0x5c;
1584}
1585
13ff92d1 1586static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track)
ea1afa12
MV		 1587{
1588 int32_t width = av_rescale(track->enc->sample_aspect_ratio.num, track->enc->width,
1589 track->enc->sample_aspect_ratio.den);
1590
a2704c97 1591 int64_t pos = avio_tell(pb);
ea1afa12
MV		 1592
1593 avio_wb32(pb, 0); /* size */
13ff92d1 1594 ffio_wfourcc(pb, "tapt");
ea1afa12
MV		 1595
1596 avio_wb32(pb, 20);
13ff92d1 1597 ffio_wfourcc(pb, "clef");
ea1afa12
MV		 1598 avio_wb32(pb, 0);
1599 avio_wb32(pb, width << 16);
1600 avio_wb32(pb, track->enc->height << 16);
802385db
AS		 1601
1602 avio_wb32(pb, 20);
1603 ffio_wfourcc(pb, "prof");
1604 avio_wb32(pb, 0);
1605 avio_wb32(pb, width << 16);
1606 avio_wb32(pb, track->enc->height << 16);
ea1afa12
MV		 1607
1608 avio_wb32(pb, 20);
13ff92d1 1609 ffio_wfourcc(pb, "enof");
ea1afa12
MV		 1610 avio_wb32(pb, 0);
1611 avio_wb32(pb, track->enc->width << 16);
1612 avio_wb32(pb, track->enc->height << 16);
1613
b7d3dd90 1614 return update_size(pb, pos);
373211d8 1615}
ea1afa12 1616
8af18154 1617// This box seems important for the psp playback ... without it the movie seems to hang
dbb472cb
MS		 1618static int mov_write_edts_tag(AVIOContext *pb, MOVMuxContext *mov,
1619 MOVTrack *track)
8af18154 1620{
b7d3dd90 1621 int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE,
c1691948
GP		 1622 track->timescale, AV_ROUND_UP);
1623 int version = duration < INT32_MAX ? 0 : 1;
1624 int entry_size, entry_count, size;
c725faeb
MS		 1625 int64_t delay, start_ct = track->start_cts;
1626 delay = av_rescale_rnd(track->start_dts + start_ct, MOV_TIMESCALE,
c1691948
GP		 1627 track->timescale, AV_ROUND_DOWN);
1628 version |= delay < INT32_MAX ? 0 : 1;
1629
1630 entry_size = (version == 1) ? 20 : 12;
1631 entry_count = 1 + (delay > 0);
1632 size = 24 + entry_count * entry_size;
1633
1634 /* write the atom data */
1635 avio_wb32(pb, size);
0abdb293 1636 ffio_wfourcc(pb, "edts");
c1691948 1637 avio_wb32(pb, size - 8);
0abdb293 1638 ffio_wfourcc(pb, "elst");
c1691948
GP		 1639 avio_w8(pb, version);
1640 avio_wb24(pb, 0); /* flags */
8af18154 1641
c1691948
GP		 1642 avio_wb32(pb, entry_count);
1643 if (delay > 0) { /* add an empty edit to delay presentation */
95ee4e2c
MS		 1644 /* In the positive delay case, the delay includes the cts
1645 * offset, and the second edit list entry below trims out
1646 * the same amount from the actual content. This makes sure
1647 * that the offsetted last sample is included in the edit
1648 * list duration as well. */
c1691948
GP		 1649 if (version == 1) {
1650 avio_wb64(pb, delay);
1651 avio_wb64(pb, -1);
1652 } else {
1653 avio_wb32(pb, delay);
1654 avio_wb32(pb, -1);
1655 }
1656 avio_wb32(pb, 0x00010000);
72f80161
MN		 1657 } else {
1658 /* Avoid accidentally ending up with start_ct = -1 which has got a
1659 * special meaning. Normally start_ct should end up positive or zero
1660 * here, but use FFMIN in case dts is a a small positive integer
1661 * rounded to 0 when represented in MOV_TIMESCALE units. */
c725faeb 1662 start_ct = -FFMIN(track->start_dts, 0);
95ee4e2c
MS		 1663 /* Note, this delay is calculated from the pts of the first sample,
1664 * ensuring that we don't reduce the duration for cases with
1665 * dts<0 pts=0. */
72f80161 1666 duration += delay;
c1691948 1667 }
8af18154 1668
dbb472cb
MS		 1669 /* For fragmented files, we don't know the full length yet. Setting
1670 * duration to 0 allows us to only specify the offset, including
1671 * the rest of the content (from all future fragments) without specifying
1672 * an explicit duration. */
1673 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
1674 duration = 0;
1675
c1691948
GP		 1676 /* duration */
1677 if (version == 1) {
1678 avio_wb64(pb, duration);
1679 avio_wb64(pb, start_ct);
1680 } else {
1681 avio_wb32(pb, duration);
1682 avio_wb32(pb, start_ct);
1683 }
77eb5504 1684 avio_wb32(pb, 0x00010000);
c1691948 1685 return size;
8af18154 1686}
1687
ae628ec1 1688static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track)
ddb63017 1689{
77eb5504 1690 avio_wb32(pb, 20); // size
0abdb293 1691 ffio_wfourcc(pb, "tref");
77eb5504
AK		 1692 avio_wb32(pb, 12); // size (subatom)
1693 avio_wl32(pb, track->tref_tag);
1694 avio_wb32(pb, track->tref_id);
ddb63017
DC		 1695 return 20;
1696}
1697
8af18154 1698// goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
ae628ec1 1699static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov)
8af18154 1700{
77eb5504 1701 avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */
0abdb293
AK		 1702 ffio_wfourcc(pb, "uuid");
1703 ffio_wfourcc(pb, "USMT");
77eb5504
AK		 1704 avio_wb32(pb, 0x21d24fce);
1705 avio_wb32(pb, 0xbb88695c);
1706 avio_wb32(pb, 0xfac9c740);
1707 avio_wb32(pb, 0x1c); // another size here!
0abdb293 1708 ffio_wfourcc(pb, "MTDT");
77eb5504
AK		 1709 avio_wb32(pb, 0x00010012);
1710 avio_wb32(pb, 0x0a);
1711 avio_wb32(pb, 0x55c40000);
1712 avio_wb32(pb, 0x1);
1713 avio_wb32(pb, 0x0);
8af18154 1714 return 0x34;
1715}
1716
8034130e 1717static int mov_write_udta_sdp(AVIOContext *pb, MOVTrack *track)
e977af6f 1718{
8034130e 1719 AVFormatContext *ctx = track->rtp_ctx;
e977af6f
MS		 1720 char buf[1000] = "";
1721 int len;
1722
8034130e
LB		 1723 ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0], track->src_track,
1724 NULL, NULL, 0, 0, ctx);
1725 av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", track->track_id);
e977af6f
MS		 1726 len = strlen(buf);
1727
77eb5504 1728 avio_wb32(pb, len + 24);
0abdb293 1729 ffio_wfourcc(pb, "udta");
77eb5504 1730 avio_wb32(pb, len + 16);
0abdb293 1731 ffio_wfourcc(pb, "hnti");
77eb5504 1732 avio_wb32(pb, len + 8);
0abdb293 1733 ffio_wfourcc(pb, "sdp ");
77eb5504 1734 avio_write(pb, buf, len);
e977af6f
MS		 1735 return len + 24;
1736}
1737
da9cc22d
JS		 1738static int mov_write_track_metadata(AVIOContext *pb, AVStream *st,
1739 const char *tag, const char *str)
1740{
1741 int64_t pos = avio_tell(pb);
1742 AVDictionaryEntry *t = av_dict_get(st->metadata, str, NULL, 0);
1743 if (!t || !utf8len(t->value))
1744 return 0;
1745
1746 avio_wb32(pb, 0); /* size */
1747 ffio_wfourcc(pb, tag); /* type */
1748 avio_write(pb, t->value, strlen(t->value)); /* UTF8 string value */
1749 return update_size(pb, pos);
1750}
1751
1752static int mov_write_track_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
1753 AVStream *st)
1754{
1755 AVIOContext *pb_buf;
1756 int ret, size;
1757 uint8_t *buf;
1758
f929ab05 1759 if (!st || mov->fc->flags & AVFMT_FLAG_BITEXACT)
da9cc22d
JS		 1760 return 0;
1761
1762 ret = avio_open_dyn_buf(&pb_buf);
1763 if (ret < 0)
1764 return ret;
1765
1766 if (mov->mode & MODE_MP4)
1767 mov_write_track_metadata(pb_buf, st, "name", "title");
1768
1769 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
1770 avio_wb32(pb, size + 8);
1771 ffio_wfourcc(pb, "udta");
1772 avio_write(pb, buf, size);
1773 }
1774 av_free(buf);
1775
1776 return 0;
1777}
1778
83988d58
MS		 1779static int mov_write_trak_tag(AVIOContext *pb, MOVMuxContext *mov,
1780 MOVTrack *track, AVStream *st)
1cb5f7fd 1781{
a2704c97 1782 int64_t pos = avio_tell(pb);
847bf598
MS		 1783 int entry_backup = track->entry;
1784 /* If we want to have an empty moov, but some samples already have been
1785 * buffered (delay_moov), pretend that no samples have been written yet. */
1786 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV)
1787 track->entry = 0;
1788
77eb5504 1789 avio_wb32(pb, 0); /* size */
0abdb293 1790 ffio_wfourcc(pb, "trak");
f9072969 1791 mov_write_tkhd_tag(pb, mov, track, st);
c725faeb 1792 if (track->start_dts != AV_NOPTS_VALUE &&
9a5ac36b 1793 (track->mode == MODE_PSP || track->flags & MOV_TRACK_CTTS ||
c725faeb 1794 track->start_dts || is_clcp_track(track))) {
1d8a0c1b
MS		 1795 if (mov->use_editlist)
1796 mov_write_edts_tag(pb, mov, track); // PSP Movies require edts box
1797 else if ((track->entry && track->cluster[0].dts) || track->mode == MODE_PSP || is_clcp_track(track))
1798 av_log(mov->fc, AV_LOG_WARNING,
1799 "Not writing any edit list even though one would have been required\n");
83988d58 1800 }
ddb63017
DC		 1801 if (track->tref_tag)
1802 mov_write_tref_tag(pb, track);
00c67fe1 1803 mov_write_mdia_tag(pb, mov, track);
115329f1 1804 if (track->mode == MODE_PSP)
21732063 1805 mov_write_uuid_tag_psp(pb, track); // PSP Movies require this uuid box
e977af6f 1806 if (track->tag == MKTAG('r','t','p',' '))
8034130e 1807 mov_write_udta_sdp(pb, track);
99e22b78
MG		 1808 if (track->mode == MODE_MOV) {
1809 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1810 double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio);
1811 if ((0.0 != sample_aspect_ratio && 1.0 != sample_aspect_ratio)) {
1812 mov_write_tapt_tag(pb, track);
1813 }
1814 }
1815 if (is_clcp_track(track)) {
ea1afa12 1816 mov_write_tapt_tag(pb, track);
99e22b78 1817 }
21732063 1818 }
da9cc22d 1819 mov_write_track_udta_tag(pb, mov, st);
847bf598 1820 track->entry = entry_backup;
b7d3dd90 1821 return update_size(pb, pos);
1cb5f7fd
MN		 1822}
1823
ae628ec1 1824static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov)
1cb5f7fd 1825{
d3b8bde2
AC		 1826 int i, has_audio = 0, has_video = 0;
1827 int64_t pos = avio_tell(pb);
1828 int audio_profile = mov->iods_audio_profile;
1829 int video_profile = mov->iods_video_profile;
1830 for (i = 0; i < mov->nb_streams; i++) {
0f9eb916 1831 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
d3b8bde2
AC		 1832 has_audio |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_AUDIO;
1833 has_video |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_VIDEO;
1834 }
1835 }
1836 if (audio_profile < 0)
1837 audio_profile = 0xFF - has_audio;
1838 if (video_profile < 0)
1839 video_profile = 0xFF - has_video;
1840 avio_wb32(pb, 0x0); /* size */
0abdb293 1841 ffio_wfourcc(pb, "iods");
77eb5504 1842 avio_wb32(pb, 0); /* version & flags */
b7d3dd90 1843 put_descr(pb, 0x10, 7);
d3b8bde2
AC		 1844 avio_wb16(pb, 0x004f);
1845 avio_w8(pb, 0xff);
1846 avio_w8(pb, 0xff);
1847 avio_w8(pb, audio_profile);
1848 avio_w8(pb, video_profile);
1849 avio_w8(pb, 0xff);
b7d3dd90 1850 return update_size(pb, pos);
1cb5f7fd
MN		 1851}
1852
83988d58
MS		 1853static int mov_write_trex_tag(AVIOContext *pb, MOVTrack *track)
1854{
1855 avio_wb32(pb, 0x20); /* size */
1856 ffio_wfourcc(pb, "trex");
1857 avio_wb32(pb, 0); /* version & flags */
b7d3dd90 1858 avio_wb32(pb, track->track_id); /* track ID */
83988d58
MS		 1859 avio_wb32(pb, 1); /* default sample description index */
1860 avio_wb32(pb, 0); /* default sample duration */
1861 avio_wb32(pb, 0); /* default sample size */
1862 avio_wb32(pb, 0); /* default sample flags */
1863 return 0;
1864}
1865
1866static int mov_write_mvex_tag(AVIOContext *pb, MOVMuxContext *mov)
1867{
1868 int64_t pos = avio_tell(pb);
1869 int i;
1870 avio_wb32(pb, 0x0); /* size */
1871 ffio_wfourcc(pb, "mvex");
1872 for (i = 0; i < mov->nb_streams; i++)
1873 mov_write_trex_tag(pb, &mov->tracks[i]);
b7d3dd90 1874 return update_size(pb, pos);
83988d58
MS		 1875}
1876
ae628ec1 1877static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov)
1cb5f7fd 1878{
b7d3dd90
MS		 1879 int max_track_id = 1, i;
1880 int64_t max_track_len_temp, max_track_len = 0;
a3a80ddc 1881 int version;
1cb5f7fd 1882
21732063 1883 for (i = 0; i < mov->nb_streams; i++) {
22de0f83 1884 if (mov->tracks[i].entry > 0 && mov->tracks[i].timescale) {
b7d3dd90
MS		 1885 max_track_len_temp = av_rescale_rnd(mov->tracks[i].track_duration,
1886 MOV_TIMESCALE,
1887 mov->tracks[i].timescale,
1888 AV_ROUND_UP);
1889 if (max_track_len < max_track_len_temp)
1890 max_track_len = max_track_len_temp;
1891 if (max_track_id < mov->tracks[i].track_id)
1892 max_track_id = mov->tracks[i].track_id;
1cb5f7fd
MN		 1893 }
1894 }
847bf598
MS		 1895 /* If using delay_moov, make sure the output is the same as if no
1896 * samples had been written yet. */
1897 if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV) {
1898 max_track_len = 0;
1899 max_track_id = 1;
1900 }
a3a80ddc 1901
b7d3dd90 1902 version = max_track_len < UINT32_MAX ? 0 : 1;
77eb5504 1903 (version == 1) ? avio_wb32(pb, 120) : avio_wb32(pb, 108); /* size */
0abdb293 1904 ffio_wfourcc(pb, "mvhd");
77eb5504
AK		 1905 avio_w8(pb, version);
1906 avio_wb24(pb, 0); /* flags */
a3a80ddc 1907 if (version == 1) {
77eb5504
AK		 1908 avio_wb64(pb, mov->time);
1909 avio_wb64(pb, mov->time);
a3a80ddc 1910 } else {
77eb5504
AK		 1911 avio_wb32(pb, mov->time); /* creation time */
1912 avio_wb32(pb, mov->time); /* modification time */
a3a80ddc 1913 }
77eb5504 1914 avio_wb32(pb, MOV_TIMESCALE);
b7d3dd90 1915 (version == 1) ? avio_wb64(pb, max_track_len) : avio_wb32(pb, max_track_len); /* duration of longest track */
1cb5f7fd 1916
77eb5504
AK		 1917 avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */
1918 avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */
1919 avio_wb16(pb, 0); /* reserved */
1920 avio_wb32(pb, 0); /* reserved */
1921 avio_wb32(pb, 0); /* reserved */
1cb5f7fd
MN		 1922
1923 /* Matrix structure */
77eb5504
AK		 1924 avio_wb32(pb, 0x00010000); /* reserved */
1925 avio_wb32(pb, 0x0); /* reserved */
1926 avio_wb32(pb, 0x0); /* reserved */
1927 avio_wb32(pb, 0x0); /* reserved */
1928 avio_wb32(pb, 0x00010000); /* reserved */
1929 avio_wb32(pb, 0x0); /* reserved */
1930 avio_wb32(pb, 0x0); /* reserved */
1931 avio_wb32(pb, 0x0); /* reserved */
1932 avio_wb32(pb, 0x40000000); /* reserved */
1933
1934 avio_wb32(pb, 0); /* reserved (preview time) */
1935 avio_wb32(pb, 0); /* reserved (preview duration) */
1936 avio_wb32(pb, 0); /* reserved (poster time) */
1937 avio_wb32(pb, 0); /* reserved (selection time) */
1938 avio_wb32(pb, 0); /* reserved (selection duration) */
1939 avio_wb32(pb, 0); /* reserved (current time) */
b7d3dd90 1940 avio_wb32(pb, max_track_id + 1); /* Next track id */
1cb5f7fd
MN		 1941 return 0x6c;
1942}
1943
ae628ec1 1944static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov,
b6c50eb1
PB		 1945 AVFormatContext *s)
1946{
77eb5504 1947 avio_wb32(pb, 33); /* size */
0abdb293 1948 ffio_wfourcc(pb, "hdlr");
77eb5504
AK		 1949 avio_wb32(pb, 0);
1950 avio_wb32(pb, 0);
0abdb293
AK		 1951 ffio_wfourcc(pb, "mdir");
1952 ffio_wfourcc(pb, "appl");
77eb5504
AK		 1953 avio_wb32(pb, 0);
1954 avio_wb32(pb, 0);
1955 avio_w8(pb, 0);
6b174197 1956 return 33;
b6c50eb1
PB		 1957}
1958
1959/* helper function to write a data tag with the specified string as data */
ae628ec1 1960static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style)
b6c50eb1 1961{
21732063 1962 if (long_style) {
6b174197 1963 int size = 16 + strlen(data);
77eb5504 1964 avio_wb32(pb, size); /* size */
0abdb293 1965 ffio_wfourcc(pb, "data");
77eb5504
AK		 1966 avio_wb32(pb, 1);
1967 avio_wb32(pb, 0);
1968 avio_write(pb, data, strlen(data));
6b174197 1969 return size;
21732063 1970 } else {
fe3ab8ad
BC		 1971 if (!lang)
1972 lang = ff_mov_iso639_to_lang("und", 1);
77eb5504
AK		 1973 avio_wb16(pb, strlen(data)); /* string length */
1974 avio_wb16(pb, lang);
1975 avio_write(pb, data, strlen(data));
efda3395 1976 return strlen(data) + 4;
b6c50eb1 1977 }
b6c50eb1
PB		 1978}
1979
21732063
MS		 1980static int mov_write_string_tag(AVIOContext *pb, const char *name,
1981 const char *value, int lang, int long_style)
1982{
b6c50eb1 1983 int size = 0;
91208916 1984 if (value && value[0]) {
a2704c97 1985 int64_t pos = avio_tell(pb);
77eb5504 1986 avio_wb32(pb, 0); /* size */
0abdb293 1987 ffio_wfourcc(pb, name);
d9fc9ff3 1988 mov_write_string_data_tag(pb, value, lang, long_style);
b7d3dd90 1989 size = update_size(pb, pos);
b6c50eb1
PB		 1990 }
1991 return size;
1992}
1993
ae628ec1 1994static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb,
1ee2d448
AJ		 1995 const char *name, const char *tag,
1996 int long_style)
b6c50eb1 1997{
d9fc9ff3 1998 int l, lang = 0, len, len2;
d2d67e42 1999 AVDictionaryEntry *t, *t2 = NULL;
d9fc9ff3 2000 char tag2[16];
1ee2d448 2001
d2d67e42 2002 if (!(t = av_dict_get(s->metadata, tag, NULL, 0)))
efda3395 2003 return 0;
1ee2d448 2004
d9fc9ff3
AJ		 2005 len = strlen(t->key);
2006 snprintf(tag2, sizeof(tag2), "%s-", tag);
d2d67e42 2007 while ((t2 = av_dict_get(s->metadata, tag2, t2, AV_DICT_IGNORE_SUFFIX))) {
d9fc9ff3 2008 len2 = strlen(t2->key);
21732063
MS		 2009 if (len2 == len + 4 && !strcmp(t->value, t2->value)
2010 && (l = ff_mov_iso639_to_lang(&t2->key[len2 - 3], 1)) >= 0) {
d9fc9ff3
AJ		 2011 lang = l;
2012 break;
2013 }
2014 }
2015 return mov_write_string_tag(pb, name, t->value, lang, long_style);
b6c50eb1
PB		 2016}
2017
2018/* iTunes track number */
ae628ec1 2019static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov,
b6c50eb1
PB		 2020 AVFormatContext *s)
2021{
d2d67e42 2022 AVDictionaryEntry *t = av_dict_get(s->metadata, "track", NULL, 0);
1ee2d448
AJ		 2023 int size = 0, track = t ? atoi(t->value) : 0;
2024 if (track) {
77eb5504 2025 avio_wb32(pb, 32); /* size */
0abdb293 2026 ffio_wfourcc(pb, "trkn");
21732063
MS		 2027 avio_wb32(pb, 24); /* size */
2028 ffio_wfourcc(pb, "data");
2029 avio_wb32(pb, 0); // 8 bytes empty
2030 avio_wb32(pb, 0);
2031 avio_wb16(pb, 0); // empty
2032 avio_wb16(pb, track); // track number
2033 avio_wb16(pb, 0); // total track number
2034 avio_wb16(pb, 0); // empty
6b174197 2035 size = 32;
b6c50eb1
PB		 2036 }
2037 return size;
2038}
2039
2040/* iTunes meta data list */
ae628ec1 2041static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov,
b6c50eb1
PB		 2042 AVFormatContext *s)
2043{
a2704c97 2044 int64_t pos = avio_tell(pb);
77eb5504 2045 avio_wb32(pb, 0); /* size */
0abdb293 2046 ffio_wfourcc(pb, "ilst");
1ee2d448 2047 mov_write_string_metadata(s, pb, "\251nam", "title" , 1);
ea4c4d7f 2048 mov_write_string_metadata(s, pb, "\251ART", "artist" , 1);
2cf9c7ef 2049 mov_write_string_metadata(s, pb, "aART", "album_artist", 1);
620af1a1 2050 mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1);
1ee2d448 2051 mov_write_string_metadata(s, pb, "\251alb", "album" , 1);
ca76a119 2052 mov_write_string_metadata(s, pb, "\251day", "date" , 1);
565e0c6d
JS		 2053 if (!mov_write_string_metadata(s, pb, "\251too", "encoding_tool", 1))
2054 mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1);
1ee2d448
AJ		 2055 mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1);
2056 mov_write_string_metadata(s, pb, "\251gen", "genre" , 1);
2057 mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1);
2cf9c7ef
MM		 2058 mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1);
2059 mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1);
7382902b
DC		 2060 mov_write_string_metadata(s, pb, "desc", "description",1);
2061 mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1);
2062 mov_write_string_metadata(s, pb, "tvsh", "show" , 1);
2063 mov_write_string_metadata(s, pb, "tven", "episode_id",1);
2064 mov_write_string_metadata(s, pb, "tvnn", "network" , 1);
b6c50eb1 2065 mov_write_trkn_tag(pb, mov, s);
b7d3dd90 2066 return update_size(pb, pos);
b6c50eb1
PB		 2067}
2068
2069/* iTunes meta data tag */
ae628ec1 2070static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov,
b6c50eb1
PB		 2071 AVFormatContext *s)
2072{
2073 int size = 0;
a2704c97 2074 int64_t pos = avio_tell(pb);
77eb5504 2075 avio_wb32(pb, 0); /* size */
0abdb293 2076 ffio_wfourcc(pb, "meta");
77eb5504 2077 avio_wb32(pb, 0);
b97fb809
AJ		 2078 mov_write_itunes_hdlr_tag(pb, mov, s);
2079 mov_write_ilst_tag(pb, mov, s);
b7d3dd90 2080 size = update_size(pb, pos);
b6c50eb1
PB		 2081 return size;
2082}
115329f1 2083
ae628ec1 2084static int ascii_to_wc(AVIOContext *pb, const uint8_t *b)
07b7b06d
BC		 2085{
2086 int val;
21732063 2087 while (*b) {
07b7b06d 2088 GET_UTF8(val, *b++, return -1;)
77eb5504 2089 avio_wb16(pb, val);
07b7b06d 2090 }
77eb5504 2091 avio_wb16(pb, 0x00);
07b7b06d
BC		 2092 return 0;
2093}
2094
2095static uint16_t language_code(const char *str)
2096{
21732063
MS		 2097 return (((str[0] - 0x60) & 0x1F) << 10) +
2098 (((str[1] - 0x60) & 0x1F) << 5) +
2099 (( str[2] - 0x60) & 0x1F);
07b7b06d
BC		 2100}
2101
ae628ec1 2102static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s,
c6e2c6c9
BC		 2103 const char *tag, const char *str)
2104{
a2704c97 2105 int64_t pos = avio_tell(pb);
d2d67e42 2106 AVDictionaryEntry *t = av_dict_get(s->metadata, str, NULL, 0);
1ee2d448 2107 if (!t || !utf8len(t->value))
c6e2c6c9 2108 return 0;
77eb5504 2109 avio_wb32(pb, 0); /* size */
0abdb293 2110 ffio_wfourcc(pb, tag); /* type */
77eb5504 2111 avio_wb32(pb, 0); /* version + flags */
c6e2c6c9 2112 if (!strcmp(tag, "yrrc"))
77eb5504 2113 avio_wb16(pb, atoi(t->value));
c6e2c6c9 2114 else {
77eb5504 2115 avio_wb16(pb, language_code("eng")); /* language */
21732063 2116 avio_write(pb, t->value, strlen(t->value) + 1); /* UTF8 string value */
1ee2d448 2117 if (!strcmp(tag, "albm") &&
d2d67e42 2118 (t = av_dict_get(s->metadata, "track", NULL, 0)))
77eb5504 2119 avio_w8(pb, atoi(t->value));
c6e2c6c9 2120 }
b7d3dd90 2121 return update_size(pb, pos);
c6e2c6c9
BC		 2122}
2123
ae628ec1 2124static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s)
dc75e4e3 2125{
a2704c97 2126 int64_t pos = avio_tell(pb);
dc75e4e3
DC		 2127 int i, nb_chapters = FFMIN(s->nb_chapters, 255);
2128
77eb5504 2129 avio_wb32(pb, 0); // size
0abdb293 2130 ffio_wfourcc(pb, "chpl");
77eb5504
AK		 2131 avio_wb32(pb, 0x01000000); // version + flags
2132 avio_wb32(pb, 0); // unknown
2133 avio_w8(pb, nb_chapters);
dc75e4e3
DC		 2134
2135 for (i = 0; i < nb_chapters; i++) {
2136 AVChapter *c = s->chapters[i];
d2d67e42 2137 AVDictionaryEntry *t;
77eb5504 2138 avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
dc75e4e3 2139
d2d67e42 2140 if ((t = av_dict_get(c->metadata, "title", NULL, 0))) {
dc75e4e3 2141 int len = FFMIN(strlen(t->value), 255);
77eb5504
AK		 2142 avio_w8(pb, len);
2143 avio_write(pb, t->value, len);
dc75e4e3 2144 } else
77eb5504 2145 avio_w8(pb, 0);
dc75e4e3 2146 }
b7d3dd90 2147 return update_size(pb, pos);
dc75e4e3
DC		 2148}
2149
ae628ec1 2150static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
69dde1ad
GB		 2151 AVFormatContext *s)
2152{
ae628ec1 2153 AVIOContext *pb_buf;
d9432789 2154 int ret, size;
1ee2d448 2155 uint8_t *buf;
89a0d790 2156
d9432789
JS		 2157 if (s->flags & AVFMT_FLAG_BITEXACT)
2158 return 0;
d1d87dfb 2159
b92c5452 2160 ret = avio_open_dyn_buf(&pb_buf);
21732063 2161 if (ret < 0)
1ee2d448 2162 return ret;
69dde1ad 2163
21732063
MS		 2164 if (mov->mode & MODE_3GP) {
2165 mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist");
2166 mov_write_3gp_udta_tag(pb_buf, s, "titl", "title");
2167 mov_write_3gp_udta_tag(pb_buf, s, "auth", "author");
2168 mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre");
2169 mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment");
2170 mov_write_3gp_udta_tag(pb_buf, s, "albm", "album");
2171 mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright");
2172 mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date");
2173 } else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4
2174 mov_write_string_metadata(s, pb_buf, "\251ART", "artist", 0);
2175 mov_write_string_metadata(s, pb_buf, "\251nam", "title", 0);
2176 mov_write_string_metadata(s, pb_buf, "\251aut", "author", 0);
2177 mov_write_string_metadata(s, pb_buf, "\251alb", "album", 0);
2178 mov_write_string_metadata(s, pb_buf, "\251day", "date", 0);
2179 mov_write_string_metadata(s, pb_buf, "\251swr", "encoder", 0);
2180 mov_write_string_metadata(s, pb_buf, "\251des", "comment", 0);
2181 mov_write_string_metadata(s, pb_buf, "\251gen", "genre", 0);
2182 mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright", 0);
2183 } else {
2184 /* iTunes meta data */
2185 mov_write_meta_tag(pb_buf, mov, s);
2186 }
1ee2d448 2187
0897d2fd 2188 if (s->nb_chapters && !(mov->flags & FF_MOV_FLAG_DISABLE_CHPL))
21732063 2189 mov_write_chpl_tag(pb_buf, s);
dc75e4e3 2190
6dc7d80d 2191 if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) {
21732063 2192 avio_wb32(pb, size + 8);
0abdb293 2193 ffio_wfourcc(pb, "udta");
77eb5504 2194 avio_write(pb, buf, size);
89a0d790 2195 }
8b6e0aec 2196 av_free(buf);
89a0d790
BF		 2197
2198 return 0;
69dde1ad
GB		 2199}
2200
ae628ec1 2201static void mov_write_psp_udta_tag(AVIOContext *pb,
21732063 2202 const char *str, const char *lang, int type)
20e22af8 2203{
21732063
MS		 2204 int len = utf8len(str) + 1;
2205 if (len <= 0)
d32d6def 2206 return;
21732063 2207 avio_wb16(pb, len * 2 + 10); /* size */
77eb5504
AK		 2208 avio_wb32(pb, type); /* type */
2209 avio_wb16(pb, language_code(lang)); /* language */
2210 avio_wb16(pb, 0x01); /* ? */
20e22af8 2211 ascii_to_wc(pb, str);
20e22af8
BC		 2212}
2213
ae628ec1 2214static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s)
dcfdb046 2215{
d2d67e42 2216 AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0);
bc5c918e 2217 int64_t pos, pos2;
dcfdb046 2218
1ee2d448 2219 if (title) {
a2704c97 2220 pos = avio_tell(pb);
77eb5504 2221 avio_wb32(pb, 0); /* size placeholder*/
0abdb293
AK		 2222 ffio_wfourcc(pb, "uuid");
2223 ffio_wfourcc(pb, "USMT");
77eb5504
AK		 2224 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
2225 avio_wb32(pb, 0xbb88695c);
2226 avio_wb32(pb, 0xfac9c740);
dcfdb046 2227
a2704c97 2228 pos2 = avio_tell(pb);
77eb5504 2229 avio_wb32(pb, 0); /* size placeholder*/
0abdb293 2230 ffio_wfourcc(pb, "MTDT");
77eb5504 2231 avio_wb16(pb, 4);
dcfdb046 2232
7cf0e16f 2233 // ?
77eb5504
AK		 2234 avio_wb16(pb, 0x0C); /* size */
2235 avio_wb32(pb, 0x0B); /* type */
2236 avio_wb16(pb, language_code("und")); /* language */
2237 avio_wb16(pb, 0x0); /* ? */
2238 avio_wb16(pb, 0x021C); /* data */
7cf0e16f 2239
d32d6def 2240 mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04);
1ee2d448 2241 mov_write_psp_udta_tag(pb, title->value, "eng", 0x01);
d32d6def
BC		 2242 mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03);
2243
b7d3dd90
MS		 2244 update_size(pb, pos2);
2245 return update_size(pb, pos);
dcfdb046
BL		 2246 }
2247
d32d6def 2248 return 0;
dcfdb046
BL		 2249}
2250
ae628ec1 2251static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov,
69dde1ad 2252 AVFormatContext *s)
1cb5f7fd 2253{
b29af723 2254 int i;
a2704c97 2255 int64_t pos = avio_tell(pb);
77eb5504 2256 avio_wb32(pb, 0); /* size placeholder*/
0abdb293 2257 ffio_wfourcc(pb, "moov");
1cb5f7fd 2258
21732063 2259 for (i = 0; i < mov->nb_streams; i++) {
83988d58
MS		 2260 if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT))
2261 continue;
e45ccf79 2262
21732063
MS		 2263 mov->tracks[i].time = mov->time;
2264 mov->tracks[i].track_id = i + 1;
1cb5f7fd
MN		 2265 }
2266
ddb63017 2267 if (mov->chapter_track)
21732063 2268 for (i = 0; i < s->nb_streams; i++) {
ddb63017 2269 mov->tracks[i].tref_tag = MKTAG('c','h','a','p');
21732063 2270 mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].track_id;
ddb63017 2271 }
e977af6f
MS		 2272 for (i = 0; i < mov->nb_streams; i++) {
2273 if (mov->tracks[i].tag == MKTAG('r','t','p',' ')) {
2274 mov->tracks[i].tref_tag = MKTAG('h','i','n','t');
2275 mov->tracks[i].tref_id =
b7d3dd90 2276 mov->tracks[mov->tracks[i].src_track].track_id;
e977af6f
MS		 2277 }
2278 }
ddb63017 2279
6e6d6dc0 2280 mov_write_mvhd_tag(pb, mov);
d3b8bde2
AC		 2281 if (mov->mode != MODE_MOV && !mov->iods_skip)
2282 mov_write_iods_tag(pb, mov);
21732063 2283 for (i = 0; i < mov->nb_streams; i++) {
83988d58
MS		 2284 if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_FRAGMENT) {
2285 mov_write_trak_tag(pb, mov, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL);
1cb5f7fd
MN		 2286 }
2287 }
83988d58
MS		 2288 if (mov->flags & FF_MOV_FLAG_FRAGMENT)
2289 mov_write_mvex_tag(pb, mov); /* QuickTime requires trak to precede this */
1cb5f7fd 2290
dcfdb046
BL		 2291 if (mov->mode == MODE_PSP)
2292 mov_write_uuidusmt_tag(pb, s);
c6e2c6c9 2293 else
e344c1ea 2294 mov_write_udta_tag(pb, mov, s);
69dde1ad 2295
b7d3dd90 2296 return update_size(pb, pos);
1cb5f7fd
MN		 2297}
2298
f5322104
MS		 2299static void param_write_int(AVIOContext *pb, const char *name, int value)
2300{
2301 avio_printf(pb, "<param name=\"%s\" value=\"%d\" valuetype=\"data\"/>\n", name, value);
2302}
2303
2304static void param_write_string(AVIOContext *pb, const char *name, const char *value)
2305{
2306 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, value);
2307}
2308
2309static void param_write_hex(AVIOContext *pb, const char *name, const uint8_t *value, int len)
2310{
2311 char buf[150];
21732063 2312 len = FFMIN(sizeof(buf) / 2 - 1, len);
f5322104 2313 ff_data_to_hex(buf, value, len, 0);
21732063 2314 buf[2 * len] = '\0';
f5322104
MS		 2315 avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, buf);
2316}
2317
f5322104
MS		 2318static int mov_write_isml_manifest(AVIOContext *pb, MOVMuxContext *mov)
2319{
2320 int64_t pos = avio_tell(pb);
2321 int i;
2322 const uint8_t uuid[] = {
2323 0xa5, 0xd4, 0x0b, 0x30, 0xe8, 0x14, 0x11, 0xdd,
2324 0xba, 0x2f, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66
2325 };
2326
2327 avio_wb32(pb, 0);
2328 ffio_wfourcc(pb, "uuid");
2329 avio_write(pb, uuid, sizeof(uuid));
2330 avio_wb32(pb, 0);
2331
2332 avio_printf(pb, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
2333 avio_printf(pb, "<smil xmlns=\"http://www.w3.org/2001/SMIL20/Language\">\n");
2334 avio_printf(pb, "<head>\n");
2335 avio_printf(pb, "<meta name=\"creator\" content=\"%s\" />\n",
2336 LIBAVFORMAT_IDENT);
2337 avio_printf(pb, "</head>\n");
2338 avio_printf(pb, "<body>\n");
2339 avio_printf(pb, "<switch>\n");
2340 for (i = 0; i < mov->nb_streams; i++) {
2341 MOVTrack *track = &mov->tracks[i];
2342 const char *type;
b7d3dd90 2343 /* track->track_id is initialized in write_moov, and thus isn't known
f5322104
MS		 2344 * here yet */
2345 int track_id = i + 1;
2346
2347 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2348 type = "video";
2349 } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) {
2350 type = "audio";
2351 } else {
2352 continue;
2353 }
2354 avio_printf(pb, "<%s systemBitrate=\"%d\">\n", type,
2355 track->enc->bit_rate);
2356 param_write_int(pb, "systemBitrate", track->enc->bit_rate);
2357 param_write_int(pb, "trackID", track_id);
2358 if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) {
36ef5369 2359 if (track->enc->codec_id == AV_CODEC_ID_H264) {
d5ed5e7d
MS		 2360 uint8_t *ptr;
2361 int size = track->enc->extradata_size;
2362 if (!ff_avc_write_annexb_extradata(track->enc->extradata, &ptr,
2363 &size)) {
2364 param_write_hex(pb, "CodecPrivateData",
2365 ptr ? ptr : track->enc->extradata,
2366 size);
2367 av_free(ptr);
2368 }
f5322104 2369 param_write_string(pb, "FourCC", "H264");
36ef5369 2370 } else if (track->enc->codec_id == AV_CODEC_ID_VC1) {
f5322104 2371 param_write_string(pb, "FourCC", "WVC1");
68893afe
MS		 2372 param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
2373 track->enc->extradata_size);
f5322104
MS		 2374 }
2375 param_write_int(pb, "MaxWidth", track->enc->width);
2376 param_write_int(pb, "MaxHeight", track->enc->height);
2377 param_write_int(pb, "DisplayWidth", track->enc->width);
2378 param_write_int(pb, "DisplayHeight", track->enc->height);
2379 } else {
36ef5369 2380 if (track->enc->codec_id == AV_CODEC_ID_AAC) {
f5322104 2381 param_write_string(pb, "FourCC", "AACL");
36ef5369 2382 } else if (track->enc->codec_id == AV_CODEC_ID_WMAPRO) {
f5322104
MS		 2383 param_write_string(pb, "FourCC", "WMAP");
2384 }
2385 param_write_hex(pb, "CodecPrivateData", track->enc->extradata,
2386 track->enc->extradata_size);
2387 param_write_int(pb, "AudioTag", ff_codec_get_tag(ff_codec_wav_tags,
21732063 2388 track->enc->codec_id));
f5322104
MS		 2389 param_write_int(pb, "Channels", track->enc->channels);
2390 param_write_int(pb, "SamplingRate", track->enc->sample_rate);
2391 param_write_int(pb, "BitsPerSample", 16);
2392 param_write_int(pb, "PacketSize", track->enc->block_align ?
2393 track->enc->block_align : 4);
2394 }
2395 avio_printf(pb, "</%s>\n", type);
2396 }
2397 avio_printf(pb, "</switch>\n");
2398 avio_printf(pb, "</body>\n");
2399 avio_printf(pb, "</smil>\n");
2400
b7d3dd90 2401 return update_size(pb, pos);
f5322104
MS		 2402}
2403
83988d58
MS		 2404static int mov_write_mfhd_tag(AVIOContext *pb, MOVMuxContext *mov)
2405{
2406 avio_wb32(pb, 16);
2407 ffio_wfourcc(pb, "mfhd");
2408 avio_wb32(pb, 0);
2409 avio_wb32(pb, mov->fragments);
2410 return 0;
2411}
2412
00d751d4
MS		 2413static uint32_t get_sample_flags(MOVTrack *track, MOVIentry *entry)
2414{
2415 return entry->flags & MOV_SYNC_SAMPLE ? MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO :
2416 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC);
2417}
2418
e7bf085b
MS		 2419static int mov_write_tfhd_tag(AVIOContext *pb, MOVMuxContext *mov,
2420 MOVTrack *track, int64_t moof_offset)
83988d58
MS		 2421{
2422 int64_t pos = avio_tell(pb);
73328f24
MS		 2423 uint32_t flags = MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
2424 MOV_TFHD_BASE_DATA_OFFSET;
83988d58 2425 if (!track->entry) {
73328f24 2426 flags |= MOV_TFHD_DURATION_IS_EMPTY;
83988d58 2427 } else {
73328f24 2428 flags |= MOV_TFHD_DEFAULT_FLAGS;
83988d58 2429 }
e7bf085b
MS		 2430 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET)
2431 flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
cf589faa
MS		 2432 if (mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF) {
2433 flags &= ~MOV_TFHD_BASE_DATA_OFFSET;
2434 flags |= MOV_TFHD_DEFAULT_BASE_IS_MOOF;
2435 }
83988d58 2436
51df7b23
MS		 2437 /* Don't set a default sample size, the silverlight player refuses
2438 * to play files with that set. Don't set a default sample duration,
40bbbce7
JH		 2439 * WMP freaks out if it is set. Don't set a base data offset, PIFF
2440 * file format says it MUST NOT be set. */
4ddd54da 2441 if (track->mode == MODE_ISM)
40bbbce7
JH		 2442 flags &= ~(MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION |
2443 MOV_TFHD_BASE_DATA_OFFSET);
4ddd54da 2444
83988d58
MS		 2445 avio_wb32(pb, 0); /* size placeholder */
2446 ffio_wfourcc(pb, "tfhd");
2447 avio_w8(pb, 0); /* version */
2448 avio_wb24(pb, flags);
2449
b7d3dd90 2450 avio_wb32(pb, track->track_id); /* track-id */
73328f24 2451 if (flags & MOV_TFHD_BASE_DATA_OFFSET)
83988d58 2452 avio_wb64(pb, moof_offset);
73328f24 2453 if (flags & MOV_TFHD_DEFAULT_DURATION) {
f3dab5fb 2454 track->default_duration = get_cluster_duration(track, 0);
83988d58
MS		 2455 avio_wb32(pb, track->default_duration);
2456 }
73328f24 2457 if (flags & MOV_TFHD_DEFAULT_SIZE) {
83988d58
MS		 2458 track->default_size = track->entry ? track->cluster[0].size : 1;
2459 avio_wb32(pb, track->default_size);
2460 } else
2461 track->default_size = -1;
2462
73328f24 2463 if (flags & MOV_TFHD_DEFAULT_FLAGS) {
00d751d4
MS		 2464 /* Set the default flags based on the second sample, if available.
2465 * If the first sample is different, that can be signaled via a separate field. */
2466 if (track->entry > 1)
2467 track->default_sample_flags = get_sample_flags(track, &track->cluster[1]);
2468 else
2469 track->default_sample_flags =
2470 track->enc->codec_type == AVMEDIA_TYPE_VIDEO ?
2471 (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC) :
2472 MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO;
83988d58
MS		 2473 avio_wb32(pb, track->default_sample_flags);
2474 }
2475
b7d3dd90 2476 return update_size(pb, pos);
83988d58
MS		 2477}
2478
e7bf085b 2479static int mov_write_trun_tag(AVIOContext *pb, MOVMuxContext *mov,
50ff0c05
MS		 2480 MOVTrack *track, int moof_size,
2481 int first, int end)
83988d58
MS		 2482{
2483 int64_t pos = avio_tell(pb);
3eec23f3 2484 uint32_t flags = MOV_TRUN_DATA_OFFSET;
83988d58
MS		 2485 int i;
2486
50ff0c05 2487 for (i = first; i < end; i++) {
681d1726 2488 if (get_cluster_duration(track, i) != track->default_duration)
3eec23f3 2489 flags |= MOV_TRUN_SAMPLE_DURATION;
83988d58 2490 if (track->cluster[i].size != track->default_size)
3eec23f3 2491 flags |= MOV_TRUN_SAMPLE_SIZE;
50ff0c05 2492 if (i > first && get_sample_flags(track, &track->cluster[i]) != track->default_sample_flags)
3eec23f3 2493 flags |= MOV_TRUN_SAMPLE_FLAGS;
83988d58 2494 }
46d4d857
MS		 2495 if (!(flags & MOV_TRUN_SAMPLE_FLAGS) && track->entry > 0 &&
2496 get_sample_flags(track, &track->cluster[0]) != track->default_sample_flags)
3eec23f3 2497 flags |= MOV_TRUN_FIRST_SAMPLE_FLAGS;
83988d58 2498 if (track->flags & MOV_TRACK_CTTS)
3eec23f3 2499 flags |= MOV_TRUN_SAMPLE_CTS;
83988d58
MS		 2500
2501 avio_wb32(pb, 0); /* size placeholder */
2502 ffio_wfourcc(pb, "trun");
2503 avio_w8(pb, 0); /* version */
2504 avio_wb24(pb, flags);
2505
50ff0c05 2506 avio_wb32(pb, end - first); /* sample count */
e7bf085b 2507 if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET &&
e7d20f12 2508 !(mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF) &&
573b1de2 2509 !mov->first_trun)
e7bf085b
MS		 2510 avio_wb32(pb, 0); /* Later tracks follow immediately after the previous one */
2511 else
2512 avio_wb32(pb, moof_size + 8 + track->data_offset +
50ff0c05 2513 track->cluster[first].pos); /* data offset */
3eec23f3 2514 if (flags & MOV_TRUN_FIRST_SAMPLE_FLAGS)
50ff0c05 2515 avio_wb32(pb, get_sample_flags(track, &track->cluster[first]));
83988d58 2516
50ff0c05 2517 for (i = first; i < end; i++) {
3eec23f3 2518 if (flags & MOV_TRUN_SAMPLE_DURATION)
681d1726 2519 avio_wb32(pb, get_cluster_duration(track, i));
3eec23f3 2520 if (flags & MOV_TRUN_SAMPLE_SIZE)
83988d58 2521 avio_wb32(pb, track->cluster[i].size);
3eec23f3 2522 if (flags & MOV_TRUN_SAMPLE_FLAGS)
83988d58 2523 avio_wb32(pb, get_sample_flags(track, &track->cluster[i]));
3eec23f3 2524 if (flags & MOV_TRUN_SAMPLE_CTS)
83988d58
MS		 2525 avio_wb32(pb, track->cluster[i].cts);
2526 }
2527
573b1de2 2528 mov->first_trun = 0;
b7d3dd90 2529 return update_size(pb, pos);
83988d58
MS		 2530}
2531
4ddd54da
MS		 2532static int mov_write_tfxd_tag(AVIOContext *pb, MOVTrack *track)
2533{
2534 int64_t pos = avio_tell(pb);
2535 const uint8_t uuid[] = {
2536 0x6d, 0x1d, 0x9b, 0x05, 0x42, 0xd5, 0x44, 0xe6,
2537 0x80, 0xe2, 0x14, 0x1d, 0xaf, 0xf7, 0x57, 0xb2
2538 };
2539
2540 avio_wb32(pb, 0); /* size placeholder */
2541 ffio_wfourcc(pb, "uuid");
2542 avio_write(pb, uuid, sizeof(uuid));
2543 avio_w8(pb, 1);
2544 avio_wb24(pb, 0);
2545 avio_wb64(pb, track->frag_start);
b7d3dd90 2546 avio_wb64(pb, track->start_dts + track->track_duration -
4ddd54da
MS		 2547 track->cluster[0].dts);
2548
b7d3dd90 2549 return update_size(pb, pos);
4ddd54da
MS		 2550}
2551
2552static int mov_write_tfrf_tag(AVIOContext *pb, MOVMuxContext *mov,
2553 MOVTrack *track, int entry)
2554{
2555 int n = track->nb_frag_info - 1 - entry, i;
2556 int size = 8 + 16 + 4 + 1 + 16*n;
2557 const uint8_t uuid[] = {
2558 0xd4, 0x80, 0x7e, 0xf2, 0xca, 0x39, 0x46, 0x95,
2559 0x8e, 0x54, 0x26, 0xcb, 0x9e, 0x46, 0xa7, 0x9f
2560 };
2561
2562 if (entry < 0)
2563 return 0;
2564
2565 avio_seek(pb, track->frag_info[entry].tfrf_offset, SEEK_SET);
2566 avio_wb32(pb, size);
2567 ffio_wfourcc(pb, "uuid");
2568 avio_write(pb, uuid, sizeof(uuid));
2569 avio_w8(pb, 1);
2570 avio_wb24(pb, 0);
2571 avio_w8(pb, n);
2572 for (i = 0; i < n; i++) {
2573 int index = entry + 1 + i;
2574 avio_wb64(pb, track->frag_info[index].time);
2575 avio_wb64(pb, track->frag_info[index].duration);
2576 }
2577 if (n < mov->ism_lookahead) {
21732063 2578 int free_size = 16 * (mov->ism_lookahead - n);
4ddd54da
MS		 2579 avio_wb32(pb, free_size);
2580 ffio_wfourcc(pb, "free");
2581 for (i = 0; i < free_size - 8; i++)
2582 avio_w8(pb, 0);
2583 }
2584
2585 return 0;
2586}
2587
2588static int mov_write_tfrf_tags(AVIOContext *pb, MOVMuxContext *mov,
2589 MOVTrack *track)
2590{
2591 int64_t pos = avio_tell(pb);
2592 int i;
2593 for (i = 0; i < mov->ism_lookahead; i++) {
2594 /* Update the tfrf tag for the last ism_lookahead fragments,
2595 * nb_frag_info - 1 is the next fragment to be written. */
2596 mov_write_tfrf_tag(pb, mov, track, track->nb_frag_info - 2 - i);
2597 }
2598 avio_seek(pb, pos, SEEK_SET);
2599 return 0;
2600}
2601
40ed1cbf
MS		 2602static int mov_add_tfra_entries(AVIOContext *pb, MOVMuxContext *mov, int tracks,
2603 int size)
2d9d6afb
MS		 2604{
2605 int i;
2606 for (i = 0; i < mov->nb_streams; i++) {
2607 MOVTrack *track = &mov->tracks[i];
2608 MOVFragmentInfo *info;
2609 if ((tracks >= 0 && i != tracks) || !track->entry)
2610 continue;
2611 track->nb_frag_info++;
2612 if (track->nb_frag_info >= track->frag_info_capacity) {
2613 unsigned new_capacity = track->nb_frag_info + MOV_FRAG_INFO_ALLOC_INCREMENT;
2614 if (av_reallocp_array(&track->frag_info,
2615 new_capacity,
2616 sizeof(*track->frag_info)))
2617 return AVERROR(ENOMEM);
2618 track->frag_info_capacity = new_capacity;
2619 }
2620 info = &track->frag_info[track->nb_frag_info - 1];
2621 info->offset = avio_tell(pb);
40ed1cbf 2622 info->size = size;
2d9d6afb
MS		 2623 // Try to recreate the original pts for the first packet
2624 // from the fields we have stored
2625 info->time = track->start_dts + track->frag_start +
2626 track->cluster[0].cts;
2627 // If the pts is less than zero, we will have trimmed
2628 // away parts of the media track using an edit list,
2629 // and the corresponding start presentation time is zero.
2630 if (info->time < 0)
2631 info->time = 0;
2632 info->duration = track->start_dts + track->track_duration -
2633 track->cluster[0].dts;
2634 info->tfrf_offset = 0;
2635 mov_write_tfrf_tags(pb, mov, track);
2d9d6afb
MS		 2636 }
2637 return 0;
2638}
2639
c2c22c75
MS		 2640static int mov_write_tfdt_tag(AVIOContext *pb, MOVTrack *track)
2641{
2642 int64_t pos = avio_tell(pb);
2643
2644 avio_wb32(pb, 0); /* size */
2645 ffio_wfourcc(pb, "tfdt");
2646 avio_w8(pb, 1); /* version */
2647 avio_wb24(pb, 0);
2648 avio_wb64(pb, track->frag_start);
2649 return update_size(pb, pos);
2650}
2651
4ddd54da 2652static int mov_write_traf_tag(AVIOContext *pb, MOVMuxContext *mov,
a4adabb4
MS		 2653 MOVTrack *track, int64_t moof_offset,
2654 int moof_size)
83988d58
MS		 2655{
2656 int64_t pos = avio_tell(pb);
50ff0c05 2657 int i, start = 0;
83988d58
MS		 2658 avio_wb32(pb, 0); /* size placeholder */
2659 ffio_wfourcc(pb, "traf");
2660
e7bf085b 2661 mov_write_tfhd_tag(pb, mov, track, moof_offset);
c55d1d38
MS		 2662 if (mov->mode != MODE_ISM)
2663 mov_write_tfdt_tag(pb, track);
50ff0c05
MS		 2664 for (i = 1; i < track->entry; i++) {
2665 if (track->cluster[i].pos != track->cluster[i - 1].pos + track->cluster[i - 1].size) {
2666 mov_write_trun_tag(pb, mov, track, moof_size, start, i);
2667 start = i;
2668 }
2669 }
2670 mov_write_trun_tag(pb, mov, track, moof_size, start, track->entry);
4ddd54da
MS		 2671 if (mov->mode == MODE_ISM) {
2672 mov_write_tfxd_tag(pb, track);
2673
2674 if (mov->ism_lookahead) {
21732063 2675 int i, size = 16 + 4 + 1 + 16 * mov->ism_lookahead;
4ddd54da 2676
2d9d6afb
MS		 2677 if (track->nb_frag_info > 0) {
2678 MOVFragmentInfo *info = &track->frag_info[track->nb_frag_info - 1];
2679 if (!info->tfrf_offset)
2680 info->tfrf_offset = avio_tell(pb);
2681 }
4ddd54da
MS		 2682 avio_wb32(pb, 8 + size);
2683 ffio_wfourcc(pb, "free");
2684 for (i = 0; i < size; i++)
2685 avio_w8(pb, 0);
2686 }
2687 }
83988d58 2688
b7d3dd90 2689 return update_size(pb, pos);
83988d58
MS		 2690}
2691
a4adabb4
MS		 2692static int mov_write_moof_tag_internal(AVIOContext *pb, MOVMuxContext *mov,
2693 int tracks, int moof_size)
83988d58 2694{
a4adabb4
MS		 2695 int64_t pos = avio_tell(pb);
2696 int i;
83988d58
MS		 2697
2698 avio_wb32(pb, 0); /* size placeholder */
2699 ffio_wfourcc(pb, "moof");
573b1de2 2700 mov->first_trun = 1;
83988d58
MS		 2701
2702 mov_write_mfhd_tag(pb, mov);
2703 for (i = 0; i < mov->nb_streams; i++) {
2704 MOVTrack *track = &mov->tracks[i];
2705 if (tracks >= 0 && i != tracks)
2706 continue;
2707 if (!track->entry)
2708 continue;
a4adabb4 2709 mov_write_traf_tag(pb, mov, track, pos, moof_size);
83988d58
MS		 2710 }
2711
b7d3dd90 2712 return update_size(pb, pos);
83988d58
MS		 2713}
2714
2ded5737
MS		 2715static int mov_write_sidx_tag(AVIOContext *pb,
2716 MOVTrack *track, int ref_size, int total_sidx_size)
2717{
2718 int64_t pos = avio_tell(pb), offset_pos, end_pos;
40ed1cbf
MS		 2719 int64_t presentation_time, duration, offset;
2720 int starts_with_SAP, i, entries;
2721
2722 if (track->entry) {
2723 entries = 1;
2724 presentation_time = track->start_dts + track->frag_start +
2725 track->cluster[0].cts;
2726 duration = track->start_dts + track->track_duration -
2727 track->cluster[0].dts;
2728 starts_with_SAP = track->cluster[0].flags & MOV_SYNC_SAMPLE;
2729 } else {
2730 entries = track->nb_frag_info;
2731 presentation_time = track->frag_info[0].time;
2732 }
2ded5737
MS		 2733
2734 // pts<0 should be cut away using edts
2735 if (presentation_time < 0)
2736 presentation_time = 0;
2737
2738 avio_wb32(pb, 0); /* size */
2739 ffio_wfourcc(pb, "sidx");
2740 avio_w8(pb, 1); /* version */
2741 avio_wb24(pb, 0);
2742 avio_wb32(pb, track->track_id); /* reference_ID */
2743 avio_wb32(pb, track->timescale); /* timescale */
2744 avio_wb64(pb, presentation_time); /* earliest_presentation_time */
2745 offset_pos = avio_tell(pb);
2746 avio_wb64(pb, 0); /* first_offset (offset to referenced moof) */
2747 avio_wb16(pb, 0); /* reserved */
40ed1cbf
MS		 2748
2749 avio_wb16(pb, entries); /* reference_count */
2750 for (i = 0; i < entries; i++) {
2751 if (!track->entry) {
2752 if (i > 1 && track->frag_info[i].offset != track->frag_info[i - 1].offset + track->frag_info[i - 1].size) {
2753 av_log(NULL, AV_LOG_ERROR, "Non-consecutive fragments, writing incorrect sidx\n");
2754 }
2755 duration = track->frag_info[i].duration;
2756 ref_size = track->frag_info[i].size;
2757 starts_with_SAP = 1;
2758 }
2759 avio_wb32(pb, (0 << 31) | (ref_size & 0x7fffffff)); /* reference_type (0 = media) | referenced_size */
2760 avio_wb32(pb, duration); /* subsegment_duration */
2761 avio_wb32(pb, (starts_with_SAP << 31) | (0 << 28) | 0); /* starts_with_SAP | SAP_type | SAP_delta_time */
2762 }
2ded5737
MS		 2763
2764 end_pos = avio_tell(pb);
2765 offset = pos + total_sidx_size - end_pos;
2766 avio_seek(pb, offset_pos, SEEK_SET);
2767 avio_wb64(pb, offset);
2768 avio_seek(pb, end_pos, SEEK_SET);
2769 return update_size(pb, pos);
2770}
2771
2772static int mov_write_sidx_tags(AVIOContext *pb, MOVMuxContext *mov,
2773 int tracks, int ref_size)
2774{
2775 int i, round, ret;
2776 AVIOContext *avio_buf;
2777 int total_size = 0;
2778 for (round = 0; round < 2; round++) {
2779 // First run one round to calculate the total size of all
2780 // sidx atoms.
2781 // This would be much simpler if we'd only write one sidx
2782 // atom, for the first track in the moof.
2783 if (round == 0) {
2784 if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
2785 return ret;
2786 } else {
2787 avio_buf = pb;
2788 }
2789 for (i = 0; i < mov->nb_streams; i++) {
2790 MOVTrack *track = &mov->tracks[i];
2791 if (tracks >= 0 && i != tracks)
2792 continue;
40ed1cbf
MS		 2793 // When writing a sidx for the full file, entry is 0, but
2794 // we want to include all tracks. ref_size is 0 in this case,
2795 // since we read it from frag_info instead.
2796 if (!track->entry && ref_size > 0)
2ded5737
MS		 2797 continue;
2798 total_size -= mov_write_sidx_tag(avio_buf, track, ref_size,
2799 total_size);
2800 }
2801 if (round == 0)
2802 total_size = ffio_close_null_buf(avio_buf);
2803 }
2804 return 0;
2805}
2806
2807static int mov_write_moof_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks,
2808 int64_t mdat_size)
a4adabb4
MS		 2809{
2810 AVIOContext *avio_buf;
2811 int ret, moof_size;
a4adabb4 2812
72fe16a1 2813 if ((ret = ffio_open_null_buf(&avio_buf)) < 0)
a4adabb4
MS		 2814 return ret;
2815 mov_write_moof_tag_internal(avio_buf, mov, tracks, 0);
72fe16a1 2816 moof_size = ffio_close_null_buf(avio_buf);
2d9d6afb 2817
40ed1cbf 2818 if (mov->flags & FF_MOV_FLAG_DASH && !(mov->flags & FF_MOV_FLAG_FASTSTART))
2ded5737
MS		 2819 mov_write_sidx_tags(pb, mov, tracks, moof_size + 8 + mdat_size);
2820
40ed1cbf 2821 if ((ret = mov_add_tfra_entries(pb, mov, tracks, moof_size + 8 + mdat_size)) < 0)
2d9d6afb
MS		 2822 return ret;
2823
a4adabb4
MS		 2824 return mov_write_moof_tag_internal(pb, mov, tracks, moof_size);
2825}
2826
83988d58
MS		 2827static int mov_write_tfra_tag(AVIOContext *pb, MOVTrack *track)
2828{
2829 int64_t pos = avio_tell(pb);
2830 int i;
2831
2832 avio_wb32(pb, 0); /* size placeholder */
2833 ffio_wfourcc(pb, "tfra");
2834 avio_w8(pb, 1); /* version */
2835 avio_wb24(pb, 0);
2836
b7d3dd90 2837 avio_wb32(pb, track->track_id);
83988d58
MS		 2838 avio_wb32(pb, 0); /* length of traf/trun/sample num */
2839 avio_wb32(pb, track->nb_frag_info);
2840 for (i = 0; i < track->nb_frag_info; i++) {
2841 avio_wb64(pb, track->frag_info[i].time);
40ed1cbf 2842 avio_wb64(pb, track->frag_info[i].offset + track->data_offset);
83988d58
MS		 2843 avio_w8(pb, 1); /* traf number */
2844 avio_w8(pb, 1); /* trun number */
2845 avio_w8(pb, 1); /* sample number */
2846 }
2847
b7d3dd90 2848 return update_size(pb, pos);
83988d58
MS		 2849}
2850
2851static int mov_write_mfra_tag(AVIOContext *pb, MOVMuxContext *mov)
2852{
2853 int64_t pos = avio_tell(pb);
2854 int i;
2855
2856 avio_wb32(pb, 0); /* size placeholder */
2857 ffio_wfourcc(pb, "mfra");
f5322104
MS		 2858 /* An empty mfra atom is enough to indicate to the publishing point that
2859 * the stream has ended. */
2860 if (mov->flags & FF_MOV_FLAG_ISML)
b7d3dd90 2861 return update_size(pb, pos);
83988d58
MS		 2862
2863 for (i = 0; i < mov->nb_streams; i++) {
2864 MOVTrack *track = &mov->tracks[i];
2865 if (track->nb_frag_info)
2866 mov_write_tfra_tag(pb, track);
2867 }
2868
2869 avio_wb32(pb, 16);
2870 ffio_wfourcc(pb, "mfro");
2871 avio_wb32(pb, 0); /* version + flags */
2872 avio_wb32(pb, avio_tell(pb) + 4 - pos);
2873
b7d3dd90 2874 return update_size(pb, pos);
83988d58
MS		 2875}
2876
ae628ec1 2877static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov)
1cb5f7fd 2878{
77eb5504 2879 avio_wb32(pb, 8); // placeholder for extended size field (64 bit)
0abdb293 2880 ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free");
b29af723 2881
a2704c97 2882 mov->mdat_pos = avio_tell(pb);
77eb5504 2883 avio_wb32(pb, 0); /* size placeholder*/
0abdb293 2884 ffio_wfourcc(pb, "mdat");
1cb5f7fd
MN		 2885 return 0;
2886}
2887
2888/* TODO: This needs to be more general */
ae628ec1 2889static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s)
1cb5f7fd 2890{
2d243fb3 2891 MOVMuxContext *mov = s->priv_data;
a2704c97 2892 int64_t pos = avio_tell(pb);
cd70d17f 2893 int has_h264 = 0, has_video = 0;
40f8675c 2894 int minor = 0x200;
c55cc074 2895 int i;
69dde1ad 2896
83579084
BC		 2897 for (i = 0; i < s->nb_streams; i++) {
2898 AVStream *st = s->streams[i];
72415b2a 2899 if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
cd70d17f 2900 has_video = 1;
36ef5369 2901 if (st->codec->codec_id == AV_CODEC_ID_H264)
83579084
BC		 2902 has_h264 = 1;
2903 }
2904
77eb5504 2905 avio_wb32(pb, 0); /* size */
0abdb293 2906 ffio_wfourcc(pb, "ftyp");
e45ccf79 2907
1e9db41e
JS		 2908 if (mov->major_brand && strlen(mov->major_brand) >= 4)
2909 ffio_wfourcc(pb, mov->major_brand);
2910 else if (mov->mode == MODE_3GP) {
0abdb293 2911 ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4");
40f8675c
BC		 2912 minor = has_h264 ? 0x100 : 0x200;
2913 } else if (mov->mode & MODE_3G2) {
0abdb293 2914 ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a");
40f8675c 2915 minor = has_h264 ? 0x20000 : 0x10000;
21732063 2916 } else if (mov->mode == MODE_PSP)
0abdb293 2917 ffio_wfourcc(pb, "MSNV");
cf589faa
MS		 2918 else if (mov->mode == MODE_MP4 && mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)
2919 ffio_wfourcc(pb, "iso5"); // Required when using default-base-is-moof
c55cc074 2920 else if (mov->mode == MODE_MP4)
0abdb293 2921 ffio_wfourcc(pb, "isom");
cd70d17f 2922 else if (mov->mode == MODE_IPOD)
0abdb293 2923 ffio_wfourcc(pb, has_video ? "M4V ":"M4A ");
4ddd54da
MS		 2924 else if (mov->mode == MODE_ISM)
2925 ffio_wfourcc(pb, "isml");
e01fba55
CB		 2926 else if (mov->mode == MODE_F4V)
2927 ffio_wfourcc(pb, "f4v ");
cd70d17f 2928 else
0abdb293 2929 ffio_wfourcc(pb, "qt ");
e45ccf79 2930
77eb5504 2931 avio_wb32(pb, minor);
e45ccf79 2932
21732063 2933 if (mov->mode == MODE_MOV)
0abdb293 2934 ffio_wfourcc(pb, "qt ");
4ddd54da
MS		 2935 else if (mov->mode == MODE_ISM) {
2936 ffio_wfourcc(pb, "piff");
cf589faa 2937 } else if (!(mov->flags & FF_MOV_FLAG_DEFAULT_BASE_MOOF)) {
0abdb293
AK		 2938 ffio_wfourcc(pb, "isom");
2939 ffio_wfourcc(pb, "iso2");
21732063 2940 if (has_h264)
0abdb293 2941 ffio_wfourcc(pb, "avc1");
6ba9ed95 2942 }
ed6e47c2 2943
600d5ee6
MS		 2944 // We add tfdt atoms when fragmenting, signal this with the iso6 compatible
2945 // brand. This is compatible with users that don't understand tfdt.
c55d1d38 2946 if (mov->flags & FF_MOV_FLAG_FRAGMENT && mov->mode != MODE_ISM)
600d5ee6
MS		 2947 ffio_wfourcc(pb, "iso6");
2948
91208916 2949 if (mov->mode == MODE_3GP)
0abdb293 2950 ffio_wfourcc(pb, has_h264 ? "3gp6":"3gp4");
a04aec6d 2951 else if (mov->mode & MODE_3G2)
0abdb293 2952 ffio_wfourcc(pb, has_h264 ? "3g2b":"3g2a");
91208916 2953 else if (mov->mode == MODE_PSP)
0abdb293 2954 ffio_wfourcc(pb, "MSNV");
c55cc074 2955 else if (mov->mode == MODE_MP4)
0abdb293 2956 ffio_wfourcc(pb, "mp41");
40ed1cbf
MS		 2957
2958 if (mov->flags & FF_MOV_FLAG_DASH && mov->flags & FF_MOV_FLAG_FASTSTART)
2959 ffio_wfourcc(pb, "dash");
2960
b7d3dd90 2961 return update_size(pb, pos);
1cb5f7fd
MN		 2962}
2963
ae628ec1 2964static void mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s)
8af18154 2965{
194be1f4 2966 AVStream *video_st = s->streams[0];
b7d3dd90
MS		 2967 AVCodecContext *video_codec = s->streams[0]->codec;
2968 AVCodecContext *audio_codec = s->streams[1]->codec;
2969 int audio_rate = audio_codec->sample_rate;
194be1f4
AK		 2970 // TODO: should be avg_frame_rate
2971 int frame_rate = ((video_st->time_base.den) * (0x10000)) / (video_st->time_base.num);
b7d3dd90
MS		 2972 int audio_kbitrate = audio_codec->bit_rate / 1000;
2973 int video_kbitrate = FFMIN(video_codec->bit_rate / 1000, 800 - audio_kbitrate);
8af18154 2974
77eb5504 2975 avio_wb32(pb, 0x94); /* size */
0abdb293
AK		 2976 ffio_wfourcc(pb, "uuid");
2977 ffio_wfourcc(pb, "PROF");
8af18154 2978
77eb5504
AK		 2979 avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */
2980 avio_wb32(pb, 0xbb88695c);
2981 avio_wb32(pb, 0xfac9c740);
8af18154 2982
77eb5504
AK		 2983 avio_wb32(pb, 0x0); /* ? */
2984 avio_wb32(pb, 0x3); /* 3 sections ? */
8af18154 2985
77eb5504 2986 avio_wb32(pb, 0x14); /* size */
0abdb293 2987 ffio_wfourcc(pb, "FPRF");
77eb5504
AK		 2988 avio_wb32(pb, 0x0); /* ? */
2989 avio_wb32(pb, 0x0); /* ? */
2990 avio_wb32(pb, 0x0); /* ? */
8af18154 2991
77eb5504 2992 avio_wb32(pb, 0x2c); /* size */
21732063 2993 ffio_wfourcc(pb, "APRF"); /* audio */
77eb5504
AK		 2994 avio_wb32(pb, 0x0);
2995 avio_wb32(pb, 0x2); /* TrackID */
0abdb293 2996 ffio_wfourcc(pb, "mp4a");
77eb5504
AK		 2997 avio_wb32(pb, 0x20f);
2998 avio_wb32(pb, 0x0);
2999 avio_wb32(pb, audio_kbitrate);
3000 avio_wb32(pb, audio_kbitrate);
b7d3dd90
MS		 3001 avio_wb32(pb, audio_rate);
3002 avio_wb32(pb, audio_codec->channels);
77eb5504
AK		 3003
3004 avio_wb32(pb, 0x34); /* size */
0abdb293 3005 ffio_wfourcc(pb, "VPRF"); /* video */
77eb5504
AK		 3006 avio_wb32(pb, 0x0);
3007 avio_wb32(pb, 0x1); /* TrackID */
36ef5369 3008 if (video_codec->codec_id == AV_CODEC_ID_H264) {
0abdb293 3009 ffio_wfourcc(pb, "avc1");
77eb5504
AK		 3010 avio_wb16(pb, 0x014D);
3011 avio_wb16(pb, 0x0015);
87b041e0 3012 } else {
0abdb293 3013 ffio_wfourcc(pb, "mp4v");
77eb5504
AK		 3014 avio_wb16(pb, 0x0000);
3015 avio_wb16(pb, 0x0103);
87b041e0 3016 }
77eb5504
AK		 3017 avio_wb32(pb, 0x0);
3018 avio_wb32(pb, video_kbitrate);
3019 avio_wb32(pb, video_kbitrate);
b7d3dd90
MS		 3020 avio_wb32(pb, frame_rate);
3021 avio_wb32(pb, frame_rate);
3022 avio_wb16(pb, video_codec->width);
3023 avio_wb16(pb, video_codec->height);
77eb5504 3024 avio_wb32(pb, 0x010001); /* ? */
8af18154 3025}
3026
355d01a1
MS		 3027static int mov_write_identification(AVIOContext *pb, AVFormatContext *s)
3028{
3029 MOVMuxContext *mov = s->priv_data;
3030 mov_write_ftyp_tag(pb,s);
3031 if (mov->mode == MODE_PSP) {
3032 if (s->nb_streams != 2) {
3033 av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
3034 return AVERROR(EINVAL);
3035 }
3036 mov_write_uuidprof_tag(pb, s);
3037 }
3038 return 0;
3039}
3040
e1316b19
BC		 3041static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags)
3042{
3043 uint32_t c = -1;
3044 int i, closed_gop = 0;
3045
3046 for (i = 0; i < pkt->size - 4; i++) {
21732063 3047 c = (c << 8) + pkt->data[i];
e1316b19 3048 if (c == 0x1b8) { // gop
21732063 3049 closed_gop = pkt->data[i + 4] >> 6 & 0x01;
e1316b19 3050 } else if (c == 0x100) { // pic
21732063 3051 int temp_ref = (pkt->data[i + 1] << 2) | (pkt->data[i + 2] >> 6);
e1316b19
BC		 3052 if (!temp_ref || closed_gop) // I picture is not reordered
3053 *flags = MOV_SYNC_SAMPLE;
3054 else
3055 *flags = MOV_PARTIAL_SYNC_SAMPLE;
3056 break;
3057 }
3058 }
3059 return 0;
3060}
3061
0c5e380c