| 1 | /* |
| 2 | * MOV, 3GP, MP4 muxer |
| 3 | * Copyright (c) 2003 Thomas Raivio |
| 4 | * Copyright (c) 2004 Gildas Bazin <gbazin at videolan dot org> |
| 5 | * Copyright (c) 2009 Baptiste Coudurier <baptiste dot coudurier at gmail dot com> |
| 6 | * |
| 7 | * This file is part of FFmpeg. |
| 8 | * |
| 9 | * FFmpeg is free software; you can redistribute it and/or |
| 10 | * modify it under the terms of the GNU Lesser General Public |
| 11 | * License as published by the Free Software Foundation; either |
| 12 | * version 2.1 of the License, or (at your option) any later version. |
| 13 | * |
| 14 | * FFmpeg is distributed in the hope that it will be useful, |
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 17 | * Lesser General Public License for more details. |
| 18 | * |
| 19 | * You should have received a copy of the GNU Lesser General Public |
| 20 | * License along with FFmpeg; if not, write to the Free Software |
| 21 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| 22 | */ |
| 23 | |
| 24 | #include <stdint.h> |
| 25 | #include <inttypes.h> |
| 26 | |
| 27 | #include "movenc.h" |
| 28 | #include "avformat.h" |
| 29 | #include "avio_internal.h" |
| 30 | #include "riff.h" |
| 31 | #include "avio.h" |
| 32 | #include "isom.h" |
| 33 | #include "avc.h" |
| 34 | #include "libavcodec/get_bits.h" |
| 35 | #include "libavcodec/put_bits.h" |
| 36 | #include "libavcodec/vc1_common.h" |
| 37 | #include "libavcodec/raw.h" |
| 38 | #include "internal.h" |
| 39 | #include "libavutil/avstring.h" |
| 40 | #include "libavutil/intfloat.h" |
| 41 | #include "libavutil/mathematics.h" |
| 42 | #include "libavutil/opt.h" |
| 43 | #include "libavutil/dict.h" |
| 44 | #include "libavutil/pixdesc.h" |
| 45 | #include "libavutil/timecode.h" |
| 46 | #include "hevc.h" |
| 47 | #include "rtpenc.h" |
| 48 | #include "mov_chan.h" |
| 49 | |
| 50 | #undef NDEBUG |
| 51 | #include <assert.h> |
| 52 | |
| 53 | static const AVOption options[] = { |
| 54 | { "movflags", "MOV muxer flags", offsetof(MOVMuxContext, flags), AV_OPT_TYPE_FLAGS, {.i64 = 0}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" }, |
| 55 | { "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" }, |
| 56 | { "moov_size", "maximum moov size so it can be placed at the begin", offsetof(MOVMuxContext, reserved_moov_size), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, 0 }, |
| 57 | { "empty_moov", "Make the initial moov atom empty (not supported by QuickTime)", 0, AV_OPT_TYPE_CONST, {.i64 = FF_MOV_FLAG_EMPTY_MOOV}, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM, "movflags" }, |
| 58 | { "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" }, |
| 59 | { "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" }, |
| 60 | { "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" }, |
| 61 | { "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" }, |
| 62 | { "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" }, |
| 63 | { "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" }, |
| 64 | { "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" }, |
| 65 | FF_RTP_FLAG_OPTS(MOVMuxContext, rtp_flags), |
| 66 | { "skip_iods", "Skip writing iods atom.", offsetof(MOVMuxContext, iods_skip), AV_OPT_TYPE_INT, {.i64 = 1}, 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}, |
| 73 | { "use_editlist", "use edit list", offsetof(MOVMuxContext, use_editlist), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 1, AV_OPT_FLAG_ENCODING_PARAM}, |
| 74 | { "video_track_timescale", "set timescale of all video tracks", offsetof(MOVMuxContext, video_track_timescale), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM}, |
| 75 | { "brand", "Override major brand", offsetof(MOVMuxContext, major_brand), AV_OPT_TYPE_STRING, {.str = NULL}, .flags = AV_OPT_FLAG_ENCODING_PARAM }, |
| 76 | { NULL }, |
| 77 | }; |
| 78 | |
| 79 | #define MOV_CLASS(flavor)\ |
| 80 | static const AVClass flavor ## _muxer_class = {\ |
| 81 | .class_name = #flavor " muxer",\ |
| 82 | .item_name = av_default_item_name,\ |
| 83 | .option = options,\ |
| 84 | .version = LIBAVUTIL_VERSION_INT,\ |
| 85 | }; |
| 86 | |
| 87 | static int get_moov_size(AVFormatContext *s); |
| 88 | |
| 89 | static int utf8len(const uint8_t *b) |
| 90 | { |
| 91 | int len = 0; |
| 92 | int val; |
| 93 | while (*b) { |
| 94 | GET_UTF8(val, *b++, return -1;) |
| 95 | len++; |
| 96 | } |
| 97 | return len; |
| 98 | } |
| 99 | |
| 100 | //FIXME support 64 bit variant with wide placeholders |
| 101 | static int64_t update_size(AVIOContext *pb, int64_t pos) |
| 102 | { |
| 103 | int64_t curpos = avio_tell(pb); |
| 104 | avio_seek(pb, pos, SEEK_SET); |
| 105 | avio_wb32(pb, curpos - pos); /* rewrite size */ |
| 106 | avio_seek(pb, curpos, SEEK_SET); |
| 107 | |
| 108 | return curpos - pos; |
| 109 | } |
| 110 | |
| 111 | static int supports_edts(MOVMuxContext *mov) |
| 112 | { |
| 113 | // EDTS with fragments is tricky as we don't know the duration when its written |
| 114 | return (mov->use_editlist<0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT)) || mov->use_editlist>0; |
| 115 | } |
| 116 | |
| 117 | static int co64_required(const MOVTrack *track) |
| 118 | { |
| 119 | if (track->entry > 0 && track->cluster[track->entry - 1].pos + track->data_offset > UINT32_MAX) |
| 120 | return 1; |
| 121 | return 0; |
| 122 | } |
| 123 | |
| 124 | /* Chunk offset atom */ |
| 125 | static int mov_write_stco_tag(AVIOContext *pb, MOVTrack *track) |
| 126 | { |
| 127 | int i; |
| 128 | int mode64 = co64_required(track); // use 32 bit size variant if possible |
| 129 | int64_t pos = avio_tell(pb); |
| 130 | avio_wb32(pb, 0); /* size */ |
| 131 | if (mode64) |
| 132 | ffio_wfourcc(pb, "co64"); |
| 133 | else |
| 134 | ffio_wfourcc(pb, "stco"); |
| 135 | avio_wb32(pb, 0); /* version & flags */ |
| 136 | avio_wb32(pb, track->chunkCount); /* entry count */ |
| 137 | for (i = 0; i < track->entry; i++) { |
| 138 | if (!track->cluster[i].chunkNum) |
| 139 | continue; |
| 140 | if (mode64 == 1) |
| 141 | avio_wb64(pb, track->cluster[i].pos + track->data_offset); |
| 142 | else |
| 143 | avio_wb32(pb, track->cluster[i].pos + track->data_offset); |
| 144 | } |
| 145 | return update_size(pb, pos); |
| 146 | } |
| 147 | |
| 148 | /* Sample size atom */ |
| 149 | static int mov_write_stsz_tag(AVIOContext *pb, MOVTrack *track) |
| 150 | { |
| 151 | int equalChunks = 1; |
| 152 | int i, j, entries = 0, tst = -1, oldtst = -1; |
| 153 | |
| 154 | int64_t pos = avio_tell(pb); |
| 155 | avio_wb32(pb, 0); /* size */ |
| 156 | ffio_wfourcc(pb, "stsz"); |
| 157 | avio_wb32(pb, 0); /* version & flags */ |
| 158 | |
| 159 | for (i = 0; i < track->entry; i++) { |
| 160 | tst = track->cluster[i].size / track->cluster[i].entries; |
| 161 | if (oldtst != -1 && tst != oldtst) |
| 162 | equalChunks = 0; |
| 163 | oldtst = tst; |
| 164 | entries += track->cluster[i].entries; |
| 165 | } |
| 166 | if (equalChunks && track->entry) { |
| 167 | int sSize = track->entry ? track->cluster[0].size / track->cluster[0].entries : 0; |
| 168 | sSize = FFMAX(1, sSize); // adpcm mono case could make sSize == 0 |
| 169 | avio_wb32(pb, sSize); // sample size |
| 170 | avio_wb32(pb, entries); // sample count |
| 171 | } else { |
| 172 | avio_wb32(pb, 0); // sample size |
| 173 | avio_wb32(pb, entries); // sample count |
| 174 | for (i = 0; i < track->entry; i++) { |
| 175 | for (j = 0; j < track->cluster[i].entries; j++) { |
| 176 | avio_wb32(pb, track->cluster[i].size / |
| 177 | track->cluster[i].entries); |
| 178 | } |
| 179 | } |
| 180 | } |
| 181 | return update_size(pb, pos); |
| 182 | } |
| 183 | |
| 184 | /* Sample to chunk atom */ |
| 185 | static int mov_write_stsc_tag(AVIOContext *pb, MOVTrack *track) |
| 186 | { |
| 187 | int index = 0, oldval = -1, i; |
| 188 | int64_t entryPos, curpos; |
| 189 | |
| 190 | int64_t pos = avio_tell(pb); |
| 191 | avio_wb32(pb, 0); /* size */ |
| 192 | ffio_wfourcc(pb, "stsc"); |
| 193 | avio_wb32(pb, 0); // version & flags |
| 194 | entryPos = avio_tell(pb); |
| 195 | avio_wb32(pb, track->chunkCount); // entry count |
| 196 | for (i = 0; i < track->entry; i++) { |
| 197 | if (oldval != track->cluster[i].samples_in_chunk && track->cluster[i].chunkNum) { |
| 198 | avio_wb32(pb, track->cluster[i].chunkNum); // first chunk |
| 199 | avio_wb32(pb, track->cluster[i].samples_in_chunk); // samples per chunk |
| 200 | avio_wb32(pb, 0x1); // sample description index |
| 201 | oldval = track->cluster[i].samples_in_chunk; |
| 202 | index++; |
| 203 | } |
| 204 | } |
| 205 | curpos = avio_tell(pb); |
| 206 | avio_seek(pb, entryPos, SEEK_SET); |
| 207 | avio_wb32(pb, index); // rewrite size |
| 208 | avio_seek(pb, curpos, SEEK_SET); |
| 209 | |
| 210 | return update_size(pb, pos); |
| 211 | } |
| 212 | |
| 213 | /* Sync sample atom */ |
| 214 | static int mov_write_stss_tag(AVIOContext *pb, MOVTrack *track, uint32_t flag) |
| 215 | { |
| 216 | int64_t curpos, entryPos; |
| 217 | int i, index = 0; |
| 218 | int64_t pos = avio_tell(pb); |
| 219 | avio_wb32(pb, 0); // size |
| 220 | ffio_wfourcc(pb, flag == MOV_SYNC_SAMPLE ? "stss" : "stps"); |
| 221 | avio_wb32(pb, 0); // version & flags |
| 222 | entryPos = avio_tell(pb); |
| 223 | avio_wb32(pb, track->entry); // entry count |
| 224 | for (i = 0; i < track->entry; i++) { |
| 225 | if (track->cluster[i].flags & flag) { |
| 226 | avio_wb32(pb, i + 1); |
| 227 | index++; |
| 228 | } |
| 229 | } |
| 230 | curpos = avio_tell(pb); |
| 231 | avio_seek(pb, entryPos, SEEK_SET); |
| 232 | avio_wb32(pb, index); // rewrite size |
| 233 | avio_seek(pb, curpos, SEEK_SET); |
| 234 | return update_size(pb, pos); |
| 235 | } |
| 236 | |
| 237 | static int mov_write_amr_tag(AVIOContext *pb, MOVTrack *track) |
| 238 | { |
| 239 | avio_wb32(pb, 0x11); /* size */ |
| 240 | if (track->mode == MODE_MOV) ffio_wfourcc(pb, "samr"); |
| 241 | else ffio_wfourcc(pb, "damr"); |
| 242 | ffio_wfourcc(pb, "FFMP"); |
| 243 | avio_w8(pb, 0); /* decoder version */ |
| 244 | |
| 245 | avio_wb16(pb, 0x81FF); /* Mode set (all modes for AMR_NB) */ |
| 246 | avio_w8(pb, 0x00); /* Mode change period (no restriction) */ |
| 247 | avio_w8(pb, 0x01); /* Frames per sample */ |
| 248 | return 0x11; |
| 249 | } |
| 250 | |
| 251 | static int mov_write_ac3_tag(AVIOContext *pb, MOVTrack *track) |
| 252 | { |
| 253 | GetBitContext gbc; |
| 254 | PutBitContext pbc; |
| 255 | uint8_t buf[3]; |
| 256 | int fscod, bsid, bsmod, acmod, lfeon, frmsizecod; |
| 257 | |
| 258 | if (track->vos_len < 7) |
| 259 | return -1; |
| 260 | |
| 261 | avio_wb32(pb, 11); |
| 262 | ffio_wfourcc(pb, "dac3"); |
| 263 | |
| 264 | init_get_bits(&gbc, track->vos_data + 4, (track->vos_len - 4) * 8); |
| 265 | fscod = get_bits(&gbc, 2); |
| 266 | frmsizecod = get_bits(&gbc, 6); |
| 267 | bsid = get_bits(&gbc, 5); |
| 268 | bsmod = get_bits(&gbc, 3); |
| 269 | acmod = get_bits(&gbc, 3); |
| 270 | if (acmod == 2) { |
| 271 | skip_bits(&gbc, 2); // dsurmod |
| 272 | } else { |
| 273 | if ((acmod & 1) && acmod != 1) |
| 274 | skip_bits(&gbc, 2); // cmixlev |
| 275 | if (acmod & 4) |
| 276 | skip_bits(&gbc, 2); // surmixlev |
| 277 | } |
| 278 | lfeon = get_bits1(&gbc); |
| 279 | |
| 280 | init_put_bits(&pbc, buf, sizeof(buf)); |
| 281 | put_bits(&pbc, 2, fscod); |
| 282 | put_bits(&pbc, 5, bsid); |
| 283 | put_bits(&pbc, 3, bsmod); |
| 284 | put_bits(&pbc, 3, acmod); |
| 285 | put_bits(&pbc, 1, lfeon); |
| 286 | put_bits(&pbc, 5, frmsizecod >> 1); // bit_rate_code |
| 287 | put_bits(&pbc, 5, 0); // reserved |
| 288 | |
| 289 | flush_put_bits(&pbc); |
| 290 | avio_write(pb, buf, sizeof(buf)); |
| 291 | |
| 292 | return 11; |
| 293 | } |
| 294 | |
| 295 | /** |
| 296 | * This function writes extradata "as is". |
| 297 | * Extradata must be formatted like a valid atom (with size and tag). |
| 298 | */ |
| 299 | static int mov_write_extradata_tag(AVIOContext *pb, MOVTrack *track) |
| 300 | { |
| 301 | avio_write(pb, track->enc->extradata, track->enc->extradata_size); |
| 302 | return track->enc->extradata_size; |
| 303 | } |
| 304 | |
| 305 | static int mov_write_enda_tag(AVIOContext *pb) |
| 306 | { |
| 307 | avio_wb32(pb, 10); |
| 308 | ffio_wfourcc(pb, "enda"); |
| 309 | avio_wb16(pb, 1); /* little endian */ |
| 310 | return 10; |
| 311 | } |
| 312 | |
| 313 | static int mov_write_enda_tag_be(AVIOContext *pb) |
| 314 | { |
| 315 | avio_wb32(pb, 10); |
| 316 | ffio_wfourcc(pb, "enda"); |
| 317 | avio_wb16(pb, 0); /* big endian */ |
| 318 | return 10; |
| 319 | } |
| 320 | |
| 321 | static void put_descr(AVIOContext *pb, int tag, unsigned int size) |
| 322 | { |
| 323 | int i = 3; |
| 324 | avio_w8(pb, tag); |
| 325 | for (; i > 0; i--) |
| 326 | avio_w8(pb, (size >> (7 * i)) | 0x80); |
| 327 | avio_w8(pb, size & 0x7F); |
| 328 | } |
| 329 | |
| 330 | static unsigned compute_avg_bitrate(MOVTrack *track) |
| 331 | { |
| 332 | uint64_t size = 0; |
| 333 | int i; |
| 334 | if (!track->track_duration) |
| 335 | return 0; |
| 336 | for (i = 0; i < track->entry; i++) |
| 337 | size += track->cluster[i].size; |
| 338 | return size * 8 * track->timescale / track->track_duration; |
| 339 | } |
| 340 | |
| 341 | static int mov_write_esds_tag(AVIOContext *pb, MOVTrack *track) // Basic |
| 342 | { |
| 343 | int64_t pos = avio_tell(pb); |
| 344 | int decoder_specific_info_len = track->vos_len ? 5 + track->vos_len : 0; |
| 345 | unsigned avg_bitrate; |
| 346 | |
| 347 | avio_wb32(pb, 0); // size |
| 348 | ffio_wfourcc(pb, "esds"); |
| 349 | avio_wb32(pb, 0); // Version |
| 350 | |
| 351 | // ES descriptor |
| 352 | put_descr(pb, 0x03, 3 + 5+13 + decoder_specific_info_len + 5+1); |
| 353 | avio_wb16(pb, track->track_id); |
| 354 | avio_w8(pb, 0x00); // flags (= no flags) |
| 355 | |
| 356 | // DecoderConfig descriptor |
| 357 | put_descr(pb, 0x04, 13 + decoder_specific_info_len); |
| 358 | |
| 359 | // Object type indication |
| 360 | if ((track->enc->codec_id == AV_CODEC_ID_MP2 || |
| 361 | track->enc->codec_id == AV_CODEC_ID_MP3) && |
| 362 | track->enc->sample_rate > 24000) |
| 363 | avio_w8(pb, 0x6B); // 11172-3 |
| 364 | else |
| 365 | avio_w8(pb, ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id)); |
| 366 | |
| 367 | // the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio) |
| 368 | // plus 1 bit to indicate upstream and 1 bit set to 1 (reserved) |
| 369 | if (track->enc->codec_id == AV_CODEC_ID_DVD_SUBTITLE) |
| 370 | avio_w8(pb, (0x38 << 2) | 1); // flags (= NeroSubpicStream) |
| 371 | else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) |
| 372 | avio_w8(pb, 0x15); // flags (= Audiostream) |
| 373 | else |
| 374 | avio_w8(pb, 0x11); // flags (= Visualstream) |
| 375 | |
| 376 | avio_wb24(pb, track->enc->rc_buffer_size >> 3); // Buffersize DB |
| 377 | |
| 378 | avg_bitrate = compute_avg_bitrate(track); |
| 379 | // maxbitrate (FIXME should be max rate in any 1 sec window) |
| 380 | avio_wb32(pb, FFMAX3(track->enc->bit_rate, track->enc->rc_max_rate, avg_bitrate)); |
| 381 | avio_wb32(pb, avg_bitrate); |
| 382 | |
| 383 | if (track->vos_len) { |
| 384 | // DecoderSpecific info descriptor |
| 385 | put_descr(pb, 0x05, track->vos_len); |
| 386 | avio_write(pb, track->vos_data, track->vos_len); |
| 387 | } |
| 388 | |
| 389 | // SL descriptor |
| 390 | put_descr(pb, 0x06, 1); |
| 391 | avio_w8(pb, 0x02); |
| 392 | return update_size(pb, pos); |
| 393 | } |
| 394 | |
| 395 | static int mov_pcm_le_gt16(enum AVCodecID codec_id) |
| 396 | { |
| 397 | return codec_id == AV_CODEC_ID_PCM_S24LE || |
| 398 | codec_id == AV_CODEC_ID_PCM_S32LE || |
| 399 | codec_id == AV_CODEC_ID_PCM_F32LE || |
| 400 | codec_id == AV_CODEC_ID_PCM_F64LE; |
| 401 | } |
| 402 | |
| 403 | static int mov_pcm_be_gt16(enum AVCodecID codec_id) |
| 404 | { |
| 405 | return codec_id == AV_CODEC_ID_PCM_S24BE || |
| 406 | codec_id == AV_CODEC_ID_PCM_S32BE || |
| 407 | codec_id == AV_CODEC_ID_PCM_F32BE || |
| 408 | codec_id == AV_CODEC_ID_PCM_F64BE; |
| 409 | } |
| 410 | |
| 411 | static int mov_write_ms_tag(AVIOContext *pb, MOVTrack *track) |
| 412 | { |
| 413 | int ret; |
| 414 | int64_t pos = avio_tell(pb); |
| 415 | avio_wb32(pb, 0); |
| 416 | avio_wl32(pb, track->tag); // store it byteswapped |
| 417 | track->enc->codec_tag = av_bswap16(track->tag >> 16); |
| 418 | if ((ret = ff_put_wav_header(pb, track->enc, 0)) < 0) |
| 419 | return ret; |
| 420 | return update_size(pb, pos); |
| 421 | } |
| 422 | |
| 423 | static int mov_write_wfex_tag(AVIOContext *pb, MOVTrack *track) |
| 424 | { |
| 425 | int ret; |
| 426 | int64_t pos = avio_tell(pb); |
| 427 | avio_wb32(pb, 0); |
| 428 | ffio_wfourcc(pb, "wfex"); |
| 429 | if ((ret = ff_put_wav_header(pb, track->enc, FF_PUT_WAV_HEADER_FORCE_WAVEFORMATEX)) < 0) |
| 430 | return ret; |
| 431 | return update_size(pb, pos); |
| 432 | } |
| 433 | |
| 434 | static int mov_write_chan_tag(AVIOContext *pb, MOVTrack *track) |
| 435 | { |
| 436 | uint32_t layout_tag, bitmap; |
| 437 | int64_t pos = avio_tell(pb); |
| 438 | |
| 439 | layout_tag = ff_mov_get_channel_layout_tag(track->enc->codec_id, |
| 440 | track->enc->channel_layout, |
| 441 | &bitmap); |
| 442 | if (!layout_tag) { |
| 443 | av_log(track->enc, AV_LOG_WARNING, "not writing 'chan' tag due to " |
| 444 | "lack of channel information\n"); |
| 445 | return 0; |
| 446 | } |
| 447 | |
| 448 | if (track->multichannel_as_mono) |
| 449 | return 0; |
| 450 | |
| 451 | avio_wb32(pb, 0); // Size |
| 452 | ffio_wfourcc(pb, "chan"); // Type |
| 453 | avio_w8(pb, 0); // Version |
| 454 | avio_wb24(pb, 0); // Flags |
| 455 | avio_wb32(pb, layout_tag); // mChannelLayoutTag |
| 456 | avio_wb32(pb, bitmap); // mChannelBitmap |
| 457 | avio_wb32(pb, 0); // mNumberChannelDescriptions |
| 458 | |
| 459 | return update_size(pb, pos); |
| 460 | } |
| 461 | |
| 462 | static int mov_write_wave_tag(AVIOContext *pb, MOVTrack *track) |
| 463 | { |
| 464 | int64_t pos = avio_tell(pb); |
| 465 | |
| 466 | avio_wb32(pb, 0); /* size */ |
| 467 | ffio_wfourcc(pb, "wave"); |
| 468 | |
| 469 | if (track->enc->codec_id != AV_CODEC_ID_QDM2) { |
| 470 | avio_wb32(pb, 12); /* size */ |
| 471 | ffio_wfourcc(pb, "frma"); |
| 472 | avio_wl32(pb, track->tag); |
| 473 | } |
| 474 | |
| 475 | if (track->enc->codec_id == AV_CODEC_ID_AAC) { |
| 476 | /* useless atom needed by mplayer, ipod, not needed by quicktime */ |
| 477 | avio_wb32(pb, 12); /* size */ |
| 478 | ffio_wfourcc(pb, "mp4a"); |
| 479 | avio_wb32(pb, 0); |
| 480 | mov_write_esds_tag(pb, track); |
| 481 | } else if (mov_pcm_le_gt16(track->enc->codec_id)) { |
| 482 | mov_write_enda_tag(pb); |
| 483 | } else if (mov_pcm_be_gt16(track->enc->codec_id)) { |
| 484 | mov_write_enda_tag_be(pb); |
| 485 | } else if (track->enc->codec_id == AV_CODEC_ID_AMR_NB) { |
| 486 | mov_write_amr_tag(pb, track); |
| 487 | } else if (track->enc->codec_id == AV_CODEC_ID_AC3) { |
| 488 | mov_write_ac3_tag(pb, track); |
| 489 | } else if (track->enc->codec_id == AV_CODEC_ID_ALAC || |
| 490 | track->enc->codec_id == AV_CODEC_ID_QDM2) { |
| 491 | mov_write_extradata_tag(pb, track); |
| 492 | } else if (track->enc->codec_id == AV_CODEC_ID_ADPCM_MS || |
| 493 | track->enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) { |
| 494 | mov_write_ms_tag(pb, track); |
| 495 | } |
| 496 | |
| 497 | avio_wb32(pb, 8); /* size */ |
| 498 | avio_wb32(pb, 0); /* null tag */ |
| 499 | |
| 500 | return update_size(pb, pos); |
| 501 | } |
| 502 | |
| 503 | static int mov_write_dvc1_structs(MOVTrack *track, uint8_t *buf) |
| 504 | { |
| 505 | uint8_t *unescaped; |
| 506 | const uint8_t *start, *next, *end = track->vos_data + track->vos_len; |
| 507 | int unescaped_size, seq_found = 0; |
| 508 | int level = 0, interlace = 0; |
| 509 | int packet_seq = track->vc1_info.packet_seq; |
| 510 | int packet_entry = track->vc1_info.packet_entry; |
| 511 | int slices = track->vc1_info.slices; |
| 512 | PutBitContext pbc; |
| 513 | |
| 514 | if (track->start_dts == AV_NOPTS_VALUE) { |
| 515 | /* No packets written yet, vc1_info isn't authoritative yet. */ |
| 516 | /* Assume inline sequence and entry headers. This will be |
| 517 | * overwritten at the end if the file is seekable. */ |
| 518 | packet_seq = packet_entry = 1; |
| 519 | } |
| 520 | |
| 521 | unescaped = av_mallocz(track->vos_len + FF_INPUT_BUFFER_PADDING_SIZE); |
| 522 | if (!unescaped) |
| 523 | return AVERROR(ENOMEM); |
| 524 | start = find_next_marker(track->vos_data, end); |
| 525 | for (next = start; next < end; start = next) { |
| 526 | GetBitContext gb; |
| 527 | int size; |
| 528 | next = find_next_marker(start + 4, end); |
| 529 | size = next - start - 4; |
| 530 | if (size <= 0) |
| 531 | continue; |
| 532 | unescaped_size = vc1_unescape_buffer(start + 4, size, unescaped); |
| 533 | init_get_bits(&gb, unescaped, 8 * unescaped_size); |
| 534 | if (AV_RB32(start) == VC1_CODE_SEQHDR) { |
| 535 | int profile = get_bits(&gb, 2); |
| 536 | if (profile != PROFILE_ADVANCED) { |
| 537 | av_free(unescaped); |
| 538 | return AVERROR(ENOSYS); |
| 539 | } |
| 540 | seq_found = 1; |
| 541 | level = get_bits(&gb, 3); |
| 542 | /* chromaformat, frmrtq_postproc, bitrtq_postproc, postprocflag, |
| 543 | * width, height */ |
| 544 | skip_bits_long(&gb, 2 + 3 + 5 + 1 + 2*12); |
| 545 | skip_bits(&gb, 1); /* broadcast */ |
| 546 | interlace = get_bits1(&gb); |
| 547 | skip_bits(&gb, 4); /* tfcntrflag, finterpflag, reserved, psf */ |
| 548 | } |
| 549 | } |
| 550 | if (!seq_found) { |
| 551 | av_free(unescaped); |
| 552 | return AVERROR(ENOSYS); |
| 553 | } |
| 554 | |
| 555 | init_put_bits(&pbc, buf, 7); |
| 556 | /* VC1DecSpecStruc */ |
| 557 | put_bits(&pbc, 4, 12); /* profile - advanced */ |
| 558 | put_bits(&pbc, 3, level); |
| 559 | put_bits(&pbc, 1, 0); /* reserved */ |
| 560 | /* VC1AdvDecSpecStruc */ |
| 561 | put_bits(&pbc, 3, level); |
| 562 | put_bits(&pbc, 1, 0); /* cbr */ |
| 563 | put_bits(&pbc, 6, 0); /* reserved */ |
| 564 | put_bits(&pbc, 1, !interlace); /* no interlace */ |
| 565 | put_bits(&pbc, 1, !packet_seq); /* no multiple seq */ |
| 566 | put_bits(&pbc, 1, !packet_entry); /* no multiple entry */ |
| 567 | put_bits(&pbc, 1, !slices); /* no slice code */ |
| 568 | put_bits(&pbc, 1, 0); /* no bframe */ |
| 569 | put_bits(&pbc, 1, 0); /* reserved */ |
| 570 | |
| 571 | /* framerate */ |
| 572 | if (track->st->avg_frame_rate.num > 0 && track->st->avg_frame_rate.den > 0) |
| 573 | put_bits32(&pbc, track->st->avg_frame_rate.num / track->st->avg_frame_rate.den); |
| 574 | else |
| 575 | put_bits32(&pbc, 0xffffffff); |
| 576 | |
| 577 | flush_put_bits(&pbc); |
| 578 | |
| 579 | av_free(unescaped); |
| 580 | |
| 581 | return 0; |
| 582 | } |
| 583 | |
| 584 | static int mov_write_dvc1_tag(AVIOContext *pb, MOVTrack *track) |
| 585 | { |
| 586 | uint8_t buf[7] = { 0 }; |
| 587 | int ret; |
| 588 | |
| 589 | if ((ret = mov_write_dvc1_structs(track, buf)) < 0) |
| 590 | return ret; |
| 591 | |
| 592 | avio_wb32(pb, track->vos_len + 8 + sizeof(buf)); |
| 593 | ffio_wfourcc(pb, "dvc1"); |
| 594 | track->vc1_info.struct_offset = avio_tell(pb); |
| 595 | avio_write(pb, buf, sizeof(buf)); |
| 596 | avio_write(pb, track->vos_data, track->vos_len); |
| 597 | |
| 598 | return 0; |
| 599 | } |
| 600 | |
| 601 | static int mov_write_glbl_tag(AVIOContext *pb, MOVTrack *track) |
| 602 | { |
| 603 | avio_wb32(pb, track->vos_len + 8); |
| 604 | ffio_wfourcc(pb, "glbl"); |
| 605 | avio_write(pb, track->vos_data, track->vos_len); |
| 606 | return 8 + track->vos_len; |
| 607 | } |
| 608 | |
| 609 | /** |
| 610 | * Compute flags for 'lpcm' tag. |
| 611 | * See CoreAudioTypes and AudioStreamBasicDescription at Apple. |
| 612 | */ |
| 613 | static int mov_get_lpcm_flags(enum AVCodecID codec_id) |
| 614 | { |
| 615 | switch (codec_id) { |
| 616 | case AV_CODEC_ID_PCM_F32BE: |
| 617 | case AV_CODEC_ID_PCM_F64BE: |
| 618 | return 11; |
| 619 | case AV_CODEC_ID_PCM_F32LE: |
| 620 | case AV_CODEC_ID_PCM_F64LE: |
| 621 | return 9; |
| 622 | case AV_CODEC_ID_PCM_U8: |
| 623 | return 10; |
| 624 | case AV_CODEC_ID_PCM_S16BE: |
| 625 | case AV_CODEC_ID_PCM_S24BE: |
| 626 | case AV_CODEC_ID_PCM_S32BE: |
| 627 | return 14; |
| 628 | case AV_CODEC_ID_PCM_S8: |
| 629 | case AV_CODEC_ID_PCM_S16LE: |
| 630 | case AV_CODEC_ID_PCM_S24LE: |
| 631 | case AV_CODEC_ID_PCM_S32LE: |
| 632 | return 12; |
| 633 | default: |
| 634 | return 0; |
| 635 | } |
| 636 | } |
| 637 | |
| 638 | static int get_cluster_duration(MOVTrack *track, int cluster_idx) |
| 639 | { |
| 640 | int64_t next_dts; |
| 641 | |
| 642 | if (cluster_idx >= track->entry) |
| 643 | return 0; |
| 644 | |
| 645 | if (cluster_idx + 1 == track->entry) |
| 646 | next_dts = track->track_duration + track->start_dts; |
| 647 | else |
| 648 | next_dts = track->cluster[cluster_idx + 1].dts; |
| 649 | |
| 650 | next_dts -= track->cluster[cluster_idx].dts; |
| 651 | |
| 652 | av_assert0(next_dts >= 0); |
| 653 | av_assert0(next_dts <= INT_MAX); |
| 654 | |
| 655 | return next_dts; |
| 656 | } |
| 657 | |
| 658 | static int get_samples_per_packet(MOVTrack *track) |
| 659 | { |
| 660 | int i, first_duration; |
| 661 | |
| 662 | // return track->enc->frame_size; |
| 663 | |
| 664 | /* use 1 for raw PCM */ |
| 665 | if (!track->audio_vbr) |
| 666 | return 1; |
| 667 | |
| 668 | /* check to see if duration is constant for all clusters */ |
| 669 | if (!track->entry) |
| 670 | return 0; |
| 671 | first_duration = get_cluster_duration(track, 0); |
| 672 | for (i = 1; i < track->entry; i++) { |
| 673 | if (get_cluster_duration(track, i) != first_duration) |
| 674 | return 0; |
| 675 | } |
| 676 | return first_duration; |
| 677 | } |
| 678 | |
| 679 | static int mov_write_audio_tag(AVIOContext *pb, MOVTrack *track) |
| 680 | { |
| 681 | int64_t pos = avio_tell(pb); |
| 682 | int version = 0; |
| 683 | uint32_t tag = track->tag; |
| 684 | |
| 685 | if (track->mode == MODE_MOV) { |
| 686 | if (track->timescale > UINT16_MAX) { |
| 687 | if (mov_get_lpcm_flags(track->enc->codec_id)) |
| 688 | tag = AV_RL32("lpcm"); |
| 689 | version = 2; |
| 690 | } else if (track->audio_vbr || mov_pcm_le_gt16(track->enc->codec_id) || |
| 691 | mov_pcm_be_gt16(track->enc->codec_id) || |
| 692 | track->enc->codec_id == AV_CODEC_ID_ADPCM_MS || |
| 693 | track->enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV || |
| 694 | track->enc->codec_id == AV_CODEC_ID_QDM2) { |
| 695 | version = 1; |
| 696 | } |
| 697 | } |
| 698 | |
| 699 | avio_wb32(pb, 0); /* size */ |
| 700 | avio_wl32(pb, tag); // store it byteswapped |
| 701 | avio_wb32(pb, 0); /* Reserved */ |
| 702 | avio_wb16(pb, 0); /* Reserved */ |
| 703 | avio_wb16(pb, 1); /* Data-reference index, XXX == 1 */ |
| 704 | |
| 705 | /* SoundDescription */ |
| 706 | avio_wb16(pb, version); /* Version */ |
| 707 | avio_wb16(pb, 0); /* Revision level */ |
| 708 | avio_wb32(pb, 0); /* Reserved */ |
| 709 | |
| 710 | if (version == 2) { |
| 711 | avio_wb16(pb, 3); |
| 712 | avio_wb16(pb, 16); |
| 713 | avio_wb16(pb, 0xfffe); |
| 714 | avio_wb16(pb, 0); |
| 715 | avio_wb32(pb, 0x00010000); |
| 716 | avio_wb32(pb, 72); |
| 717 | avio_wb64(pb, av_double2int(track->enc->sample_rate)); |
| 718 | avio_wb32(pb, track->enc->channels); |
| 719 | avio_wb32(pb, 0x7F000000); |
| 720 | avio_wb32(pb, av_get_bits_per_sample(track->enc->codec_id)); |
| 721 | avio_wb32(pb, mov_get_lpcm_flags(track->enc->codec_id)); |
| 722 | avio_wb32(pb, track->sample_size); |
| 723 | avio_wb32(pb, get_samples_per_packet(track)); |
| 724 | } else { |
| 725 | if (track->mode == MODE_MOV) { |
| 726 | avio_wb16(pb, track->enc->channels); |
| 727 | if (track->enc->codec_id == AV_CODEC_ID_PCM_U8 || |
| 728 | track->enc->codec_id == AV_CODEC_ID_PCM_S8) |
| 729 | avio_wb16(pb, 8); /* bits per sample */ |
| 730 | else |
| 731 | avio_wb16(pb, 16); |
| 732 | avio_wb16(pb, track->audio_vbr ? -2 : 0); /* compression ID */ |
| 733 | } else { /* reserved for mp4/3gp */ |
| 734 | avio_wb16(pb, 2); |
| 735 | avio_wb16(pb, 16); |
| 736 | avio_wb16(pb, 0); |
| 737 | } |
| 738 | |
| 739 | avio_wb16(pb, 0); /* packet size (= 0) */ |
| 740 | avio_wb16(pb, track->enc->sample_rate <= UINT16_MAX ? |
| 741 | track->enc->sample_rate : 0); |
| 742 | avio_wb16(pb, 0); /* Reserved */ |
| 743 | } |
| 744 | |
| 745 | if (version == 1) { /* SoundDescription V1 extended info */ |
| 746 | if (mov_pcm_le_gt16(track->enc->codec_id) || |
| 747 | mov_pcm_be_gt16(track->enc->codec_id)) |
| 748 | avio_wb32(pb, 1); /* must be 1 for uncompressed formats */ |
| 749 | else |
| 750 | avio_wb32(pb, track->enc->frame_size); /* Samples per packet */ |
| 751 | avio_wb32(pb, track->sample_size / track->enc->channels); /* Bytes per packet */ |
| 752 | avio_wb32(pb, track->sample_size); /* Bytes per frame */ |
| 753 | avio_wb32(pb, 2); /* Bytes per sample */ |
| 754 | } |
| 755 | |
| 756 | if (track->mode == MODE_MOV && |
| 757 | (track->enc->codec_id == AV_CODEC_ID_AAC || |
| 758 | track->enc->codec_id == AV_CODEC_ID_AC3 || |
| 759 | track->enc->codec_id == AV_CODEC_ID_AMR_NB || |
| 760 | track->enc->codec_id == AV_CODEC_ID_ALAC || |
| 761 | track->enc->codec_id == AV_CODEC_ID_ADPCM_MS || |
| 762 | track->enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV || |
| 763 | track->enc->codec_id == AV_CODEC_ID_QDM2 || |
| 764 | (mov_pcm_le_gt16(track->enc->codec_id) && version==1) || |
| 765 | (mov_pcm_be_gt16(track->enc->codec_id) && version==1))) |
| 766 | mov_write_wave_tag(pb, track); |
| 767 | else if (track->tag == MKTAG('m','p','4','a')) |
| 768 | mov_write_esds_tag(pb, track); |
| 769 | else if (track->enc->codec_id == AV_CODEC_ID_AMR_NB) |
| 770 | mov_write_amr_tag(pb, track); |
| 771 | else if (track->enc->codec_id == AV_CODEC_ID_AC3) |
| 772 | mov_write_ac3_tag(pb, track); |
| 773 | else if (track->enc->codec_id == AV_CODEC_ID_ALAC) |
| 774 | mov_write_extradata_tag(pb, track); |
| 775 | else if (track->enc->codec_id == AV_CODEC_ID_WMAPRO) |
| 776 | mov_write_wfex_tag(pb, track); |
| 777 | else if (track->vos_len > 0) |
| 778 | mov_write_glbl_tag(pb, track); |
| 779 | |
| 780 | if (track->mode == MODE_MOV && track->enc->codec_type == AVMEDIA_TYPE_AUDIO) |
| 781 | mov_write_chan_tag(pb, track); |
| 782 | |
| 783 | return update_size(pb, pos); |
| 784 | } |
| 785 | |
| 786 | static int mov_write_d263_tag(AVIOContext *pb) |
| 787 | { |
| 788 | avio_wb32(pb, 0xf); /* size */ |
| 789 | ffio_wfourcc(pb, "d263"); |
| 790 | ffio_wfourcc(pb, "FFMP"); |
| 791 | avio_w8(pb, 0); /* decoder version */ |
| 792 | /* FIXME use AVCodecContext level/profile, when encoder will set values */ |
| 793 | avio_w8(pb, 0xa); /* level */ |
| 794 | avio_w8(pb, 0); /* profile */ |
| 795 | return 0xf; |
| 796 | } |
| 797 | |
| 798 | static int mov_write_avcc_tag(AVIOContext *pb, MOVTrack *track) |
| 799 | { |
| 800 | int64_t pos = avio_tell(pb); |
| 801 | |
| 802 | avio_wb32(pb, 0); |
| 803 | ffio_wfourcc(pb, "avcC"); |
| 804 | ff_isom_write_avcc(pb, track->vos_data, track->vos_len); |
| 805 | return update_size(pb, pos); |
| 806 | } |
| 807 | |
| 808 | static int mov_write_hvcc_tag(AVIOContext *pb, MOVTrack *track) |
| 809 | { |
| 810 | int64_t pos = avio_tell(pb); |
| 811 | |
| 812 | avio_wb32(pb, 0); |
| 813 | ffio_wfourcc(pb, "hvcC"); |
| 814 | ff_isom_write_hvcc(pb, track->vos_data, track->vos_len, 0); |
| 815 | return update_size(pb, pos); |
| 816 | } |
| 817 | |
| 818 | /* also used by all avid codecs (dv, imx, meridien) and their variants */ |
| 819 | static int mov_write_avid_tag(AVIOContext *pb, MOVTrack *track) |
| 820 | { |
| 821 | int i; |
| 822 | avio_wb32(pb, 24); /* size */ |
| 823 | ffio_wfourcc(pb, "ACLR"); |
| 824 | ffio_wfourcc(pb, "ACLR"); |
| 825 | ffio_wfourcc(pb, "0001"); |
| 826 | if (track->enc->color_range == AVCOL_RANGE_MPEG) { /* Legal range (16-235) */ |
| 827 | avio_wb32(pb, 1); /* Corresponds to 709 in official encoder */ |
| 828 | } else { /* Full range (0-255) */ |
| 829 | avio_wb32(pb, 2); /* Corresponds to RGB in official encoder */ |
| 830 | } |
| 831 | avio_wb32(pb, 0); /* unknown */ |
| 832 | |
| 833 | avio_wb32(pb, 24); /* size */ |
| 834 | ffio_wfourcc(pb, "APRG"); |
| 835 | ffio_wfourcc(pb, "APRG"); |
| 836 | ffio_wfourcc(pb, "0001"); |
| 837 | avio_wb32(pb, 1); /* unknown */ |
| 838 | avio_wb32(pb, 0); /* unknown */ |
| 839 | |
| 840 | avio_wb32(pb, 120); /* size */ |
| 841 | ffio_wfourcc(pb, "ARES"); |
| 842 | ffio_wfourcc(pb, "ARES"); |
| 843 | ffio_wfourcc(pb, "0001"); |
| 844 | avio_wb32(pb, AV_RB32(track->vos_data + 0x28)); /* dnxhd cid, some id ? */ |
| 845 | avio_wb32(pb, track->enc->width); |
| 846 | /* values below are based on samples created with quicktime and avid codecs */ |
| 847 | if (track->vos_data[5] & 2) { // interlaced |
| 848 | avio_wb32(pb, track->enc->height / 2); |
| 849 | avio_wb32(pb, 2); /* unknown */ |
| 850 | avio_wb32(pb, 0); /* unknown */ |
| 851 | avio_wb32(pb, 4); /* unknown */ |
| 852 | } else { |
| 853 | avio_wb32(pb, track->enc->height); |
| 854 | avio_wb32(pb, 1); /* unknown */ |
| 855 | avio_wb32(pb, 0); /* unknown */ |
| 856 | if (track->enc->height == 1080) |
| 857 | avio_wb32(pb, 5); /* unknown */ |
| 858 | else |
| 859 | avio_wb32(pb, 6); /* unknown */ |
| 860 | } |
| 861 | /* padding */ |
| 862 | for (i = 0; i < 10; i++) |
| 863 | avio_wb64(pb, 0); |
| 864 | |
| 865 | /* extra padding for stsd needed */ |
| 866 | avio_wb32(pb, 0); |
| 867 | return 0; |
| 868 | } |
| 869 | |
| 870 | static int mp4_get_codec_tag(AVFormatContext *s, MOVTrack *track) |
| 871 | { |
| 872 | int tag = track->enc->codec_tag; |
| 873 | |
| 874 | if (!ff_codec_get_tag(ff_mp4_obj_type, track->enc->codec_id)) |
| 875 | return 0; |
| 876 | |
| 877 | if (track->enc->codec_id == AV_CODEC_ID_H264) tag = MKTAG('a','v','c','1'); |
| 878 | else if (track->enc->codec_id == AV_CODEC_ID_HEVC) tag = MKTAG('h','e','v','1'); |
| 879 | else if (track->enc->codec_id == AV_CODEC_ID_AC3) tag = MKTAG('a','c','-','3'); |
| 880 | else if (track->enc->codec_id == AV_CODEC_ID_DIRAC) tag = MKTAG('d','r','a','c'); |
| 881 | else if (track->enc->codec_id == AV_CODEC_ID_MOV_TEXT) tag = MKTAG('t','x','3','g'); |
| 882 | else if (track->enc->codec_id == AV_CODEC_ID_VC1) tag = MKTAG('v','c','-','1'); |
| 883 | else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) tag = MKTAG('m','p','4','v'); |
| 884 | else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) tag = MKTAG('m','p','4','a'); |
| 885 | else if (track->enc->codec_id == AV_CODEC_ID_DVD_SUBTITLE) tag = MKTAG('m','p','4','s'); |
| 886 | |
| 887 | return tag; |
| 888 | } |
| 889 | |
| 890 | static const AVCodecTag codec_ipod_tags[] = { |
| 891 | { AV_CODEC_ID_H264, MKTAG('a','v','c','1') }, |
| 892 | { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') }, |
| 893 | { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') }, |
| 894 | { AV_CODEC_ID_ALAC, MKTAG('a','l','a','c') }, |
| 895 | { AV_CODEC_ID_AC3, MKTAG('a','c','-','3') }, |
| 896 | { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') }, |
| 897 | { AV_CODEC_ID_MOV_TEXT, MKTAG('t','e','x','t') }, |
| 898 | { AV_CODEC_ID_NONE, 0 }, |
| 899 | }; |
| 900 | |
| 901 | static int ipod_get_codec_tag(AVFormatContext *s, MOVTrack *track) |
| 902 | { |
| 903 | int tag = track->enc->codec_tag; |
| 904 | |
| 905 | // keep original tag for subs, ipod supports both formats |
| 906 | if (!(track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE && |
| 907 | (tag == MKTAG('t', 'x', '3', 'g') || |
| 908 | tag == MKTAG('t', 'e', 'x', 't')))) |
| 909 | tag = ff_codec_get_tag(codec_ipod_tags, track->enc->codec_id); |
| 910 | |
| 911 | if (!av_match_ext(s->filename, "m4a") && |
| 912 | !av_match_ext(s->filename, "m4b") && |
| 913 | !av_match_ext(s->filename, "m4v")) |
| 914 | av_log(s, AV_LOG_WARNING, "Warning, extension is not .m4a, .m4v nor .m4b " |
| 915 | "Quicktime/Ipod might not play the file\n"); |
| 916 | |
| 917 | return tag; |
| 918 | } |
| 919 | |
| 920 | static int mov_get_dv_codec_tag(AVFormatContext *s, MOVTrack *track) |
| 921 | { |
| 922 | int tag; |
| 923 | |
| 924 | if (track->enc->width == 720) { /* SD */ |
| 925 | if (track->enc->height == 480) { /* NTSC */ |
| 926 | if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','n'); |
| 927 | else tag = MKTAG('d','v','c',' '); |
| 928 | }else if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) tag = MKTAG('d','v','5','p'); |
| 929 | else if (track->enc->pix_fmt == AV_PIX_FMT_YUV420P) tag = MKTAG('d','v','c','p'); |
| 930 | else tag = MKTAG('d','v','p','p'); |
| 931 | } else if (track->enc->height == 720) { /* HD 720 line */ |
| 932 | if (track->st->time_base.den == 50) tag = MKTAG('d','v','h','q'); |
| 933 | else tag = MKTAG('d','v','h','p'); |
| 934 | } else if (track->enc->height == 1080) { /* HD 1080 line */ |
| 935 | if (track->st->time_base.den == 25) tag = MKTAG('d','v','h','5'); |
| 936 | else tag = MKTAG('d','v','h','6'); |
| 937 | } else { |
| 938 | av_log(s, AV_LOG_ERROR, "unsupported height for dv codec\n"); |
| 939 | return 0; |
| 940 | } |
| 941 | |
| 942 | return tag; |
| 943 | } |
| 944 | |
| 945 | static AVRational find_fps(AVFormatContext *s, AVStream *st) |
| 946 | { |
| 947 | AVRational rate = {st->codec->time_base.den, st->codec->time_base.num}; |
| 948 | /* if the codec time base makes no sense, try to fallback on stream frame rate */ |
| 949 | if (av_timecode_check_frame_rate(rate) < 0) { |
| 950 | av_log(s, AV_LOG_DEBUG, "timecode: tbc=%d/%d invalid, fallback on %d/%d\n", |
| 951 | rate.num, rate.den, st->avg_frame_rate.num, st->avg_frame_rate.den); |
| 952 | rate = st->avg_frame_rate; |
| 953 | } |
| 954 | |
| 955 | return rate; |
| 956 | } |
| 957 | |
| 958 | static int mov_get_mpeg2_xdcam_codec_tag(AVFormatContext *s, MOVTrack *track) |
| 959 | { |
| 960 | int tag = track->enc->codec_tag; |
| 961 | int interlaced = track->enc->field_order > AV_FIELD_PROGRESSIVE; |
| 962 | AVStream *st = track->st; |
| 963 | int rate = av_q2d(find_fps(s, st)); |
| 964 | |
| 965 | if (!tag) |
| 966 | tag = MKTAG('m', '2', 'v', '1'); //fallback tag |
| 967 | |
| 968 | if (track->enc->pix_fmt == AV_PIX_FMT_YUV420P) { |
| 969 | if (track->enc->width == 1280 && track->enc->height == 720) { |
| 970 | if (!interlaced) { |
| 971 | if (rate == 24) tag = MKTAG('x','d','v','4'); |
| 972 | else if (rate == 25) tag = MKTAG('x','d','v','5'); |
| 973 | else if (rate == 30) tag = MKTAG('x','d','v','1'); |
| 974 | else if (rate == 50) tag = MKTAG('x','d','v','a'); |
| 975 | else if (rate == 60) tag = MKTAG('x','d','v','9'); |
| 976 | } |
| 977 | } else if (track->enc->width == 1440 && track->enc->height == 1080) { |
| 978 | if (!interlaced) { |
| 979 | if (rate == 24) tag = MKTAG('x','d','v','6'); |
| 980 | else if (rate == 25) tag = MKTAG('x','d','v','7'); |
| 981 | else if (rate == 30) tag = MKTAG('x','d','v','8'); |
| 982 | } else { |
| 983 | if (rate == 25) tag = MKTAG('x','d','v','3'); |
| 984 | else if (rate == 30) tag = MKTAG('x','d','v','2'); |
| 985 | } |
| 986 | } else if (track->enc->width == 1920 && track->enc->height == 1080) { |
| 987 | if (!interlaced) { |
| 988 | if (rate == 24) tag = MKTAG('x','d','v','d'); |
| 989 | else if (rate == 25) tag = MKTAG('x','d','v','e'); |
| 990 | else if (rate == 30) tag = MKTAG('x','d','v','f'); |
| 991 | } else { |
| 992 | if (rate == 25) tag = MKTAG('x','d','v','c'); |
| 993 | else if (rate == 30) tag = MKTAG('x','d','v','b'); |
| 994 | } |
| 995 | } |
| 996 | } else if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) { |
| 997 | if (track->enc->width == 1280 && track->enc->height == 720) { |
| 998 | if (!interlaced) { |
| 999 | if (rate == 24) tag = MKTAG('x','d','5','4'); |
| 1000 | else if (rate == 25) tag = MKTAG('x','d','5','5'); |
| 1001 | else if (rate == 30) tag = MKTAG('x','d','5','1'); |
| 1002 | else if (rate == 50) tag = MKTAG('x','d','5','a'); |
| 1003 | else if (rate == 60) tag = MKTAG('x','d','5','9'); |
| 1004 | } |
| 1005 | } else if (track->enc->width == 1920 && track->enc->height == 1080) { |
| 1006 | if (!interlaced) { |
| 1007 | if (rate == 24) tag = MKTAG('x','d','5','d'); |
| 1008 | else if (rate == 25) tag = MKTAG('x','d','5','e'); |
| 1009 | else if (rate == 30) tag = MKTAG('x','d','5','f'); |
| 1010 | } else { |
| 1011 | if (rate == 25) tag = MKTAG('x','d','5','c'); |
| 1012 | else if (rate == 30) tag = MKTAG('x','d','5','b'); |
| 1013 | } |
| 1014 | } |
| 1015 | } |
| 1016 | |
| 1017 | return tag; |
| 1018 | } |
| 1019 | |
| 1020 | static const struct { |
| 1021 | enum AVPixelFormat pix_fmt; |
| 1022 | uint32_t tag; |
| 1023 | unsigned bps; |
| 1024 | } mov_pix_fmt_tags[] = { |
| 1025 | { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','2'), 0 }, |
| 1026 | { AV_PIX_FMT_YUYV422, MKTAG('y','u','v','s'), 0 }, |
| 1027 | { AV_PIX_FMT_UYVY422, MKTAG('2','v','u','y'), 0 }, |
| 1028 | { AV_PIX_FMT_RGB555BE,MKTAG('r','a','w',' '), 16 }, |
| 1029 | { AV_PIX_FMT_RGB555LE,MKTAG('L','5','5','5'), 16 }, |
| 1030 | { AV_PIX_FMT_RGB565LE,MKTAG('L','5','6','5'), 16 }, |
| 1031 | { AV_PIX_FMT_RGB565BE,MKTAG('B','5','6','5'), 16 }, |
| 1032 | { AV_PIX_FMT_GRAY16BE,MKTAG('b','1','6','g'), 16 }, |
| 1033 | { AV_PIX_FMT_RGB24, MKTAG('r','a','w',' '), 24 }, |
| 1034 | { AV_PIX_FMT_BGR24, MKTAG('2','4','B','G'), 24 }, |
| 1035 | { AV_PIX_FMT_ARGB, MKTAG('r','a','w',' '), 32 }, |
| 1036 | { AV_PIX_FMT_BGRA, MKTAG('B','G','R','A'), 32 }, |
| 1037 | { AV_PIX_FMT_RGBA, MKTAG('R','G','B','A'), 32 }, |
| 1038 | { AV_PIX_FMT_ABGR, MKTAG('A','B','G','R'), 32 }, |
| 1039 | { AV_PIX_FMT_RGB48BE, MKTAG('b','4','8','r'), 48 }, |
| 1040 | }; |
| 1041 | |
| 1042 | static int mov_get_rawvideo_codec_tag(AVFormatContext *s, MOVTrack *track) |
| 1043 | { |
| 1044 | int tag = track->enc->codec_tag; |
| 1045 | int i; |
| 1046 | enum AVPixelFormat pix_fmt; |
| 1047 | |
| 1048 | for (i = 0; i < FF_ARRAY_ELEMS(mov_pix_fmt_tags); i++) { |
| 1049 | if (track->enc->pix_fmt == mov_pix_fmt_tags[i].pix_fmt) { |
| 1050 | tag = mov_pix_fmt_tags[i].tag; |
| 1051 | track->enc->bits_per_coded_sample = mov_pix_fmt_tags[i].bps; |
| 1052 | if (track->enc->codec_tag == mov_pix_fmt_tags[i].tag) |
| 1053 | break; |
| 1054 | } |
| 1055 | } |
| 1056 | |
| 1057 | pix_fmt = avpriv_find_pix_fmt(avpriv_pix_fmt_bps_mov, |
| 1058 | track->enc->bits_per_coded_sample); |
| 1059 | if (tag == MKTAG('r','a','w',' ') && |
| 1060 | track->enc->pix_fmt != pix_fmt && |
| 1061 | track->enc->pix_fmt != AV_PIX_FMT_NONE) |
| 1062 | av_log(s, AV_LOG_ERROR, "%s rawvideo cannot be written to mov, output file will be unreadable\n", |
| 1063 | av_get_pix_fmt_name(track->enc->pix_fmt)); |
| 1064 | return tag; |
| 1065 | } |
| 1066 | |
| 1067 | static int mov_get_codec_tag(AVFormatContext *s, MOVTrack *track) |
| 1068 | { |
| 1069 | int tag = track->enc->codec_tag; |
| 1070 | |
| 1071 | if (!tag || (track->enc->strict_std_compliance >= FF_COMPLIANCE_NORMAL && |
| 1072 | (track->enc->codec_id == AV_CODEC_ID_DVVIDEO || |
| 1073 | track->enc->codec_id == AV_CODEC_ID_RAWVIDEO || |
| 1074 | track->enc->codec_id == AV_CODEC_ID_H263 || |
| 1075 | track->enc->codec_id == AV_CODEC_ID_MPEG2VIDEO || |
| 1076 | av_get_bits_per_sample(track->enc->codec_id)))) { // pcm audio |
| 1077 | if (track->enc->codec_id == AV_CODEC_ID_DVVIDEO) |
| 1078 | tag = mov_get_dv_codec_tag(s, track); |
| 1079 | else if (track->enc->codec_id == AV_CODEC_ID_RAWVIDEO) |
| 1080 | tag = mov_get_rawvideo_codec_tag(s, track); |
| 1081 | else if (track->enc->codec_id == AV_CODEC_ID_MPEG2VIDEO) |
| 1082 | tag = mov_get_mpeg2_xdcam_codec_tag(s, track); |
| 1083 | else if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) { |
| 1084 | tag = ff_codec_get_tag(ff_codec_movvideo_tags, track->enc->codec_id); |
| 1085 | if (!tag) { // if no mac fcc found, try with Microsoft tags |
| 1086 | tag = ff_codec_get_tag(ff_codec_bmp_tags, track->enc->codec_id); |
| 1087 | if (tag) |
| 1088 | av_log(s, AV_LOG_WARNING, "Using MS style video codec tag, " |
| 1089 | "the file may be unplayable!\n"); |
| 1090 | } |
| 1091 | } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) { |
| 1092 | tag = ff_codec_get_tag(ff_codec_movaudio_tags, track->enc->codec_id); |
| 1093 | if (!tag) { // if no mac fcc found, try with Microsoft tags |
| 1094 | int ms_tag = ff_codec_get_tag(ff_codec_wav_tags, track->enc->codec_id); |
| 1095 | if (ms_tag) { |
| 1096 | tag = MKTAG('m', 's', ((ms_tag >> 8) & 0xff), (ms_tag & 0xff)); |
| 1097 | av_log(s, AV_LOG_WARNING, "Using MS style audio codec tag, " |
| 1098 | "the file may be unplayable!\n"); |
| 1099 | } |
| 1100 | } |
| 1101 | } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) |
| 1102 | tag = ff_codec_get_tag(ff_codec_movsubtitle_tags, track->enc->codec_id); |
| 1103 | } |
| 1104 | |
| 1105 | return tag; |
| 1106 | } |
| 1107 | |
| 1108 | static const AVCodecTag codec_3gp_tags[] = { |
| 1109 | { AV_CODEC_ID_H263, MKTAG('s','2','6','3') }, |
| 1110 | { AV_CODEC_ID_H264, MKTAG('a','v','c','1') }, |
| 1111 | { AV_CODEC_ID_MPEG4, MKTAG('m','p','4','v') }, |
| 1112 | { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') }, |
| 1113 | { AV_CODEC_ID_AMR_NB, MKTAG('s','a','m','r') }, |
| 1114 | { AV_CODEC_ID_AMR_WB, MKTAG('s','a','w','b') }, |
| 1115 | { AV_CODEC_ID_MOV_TEXT, MKTAG('t','x','3','g') }, |
| 1116 | { AV_CODEC_ID_NONE, 0 }, |
| 1117 | }; |
| 1118 | |
| 1119 | static const AVCodecTag codec_f4v_tags[] = { // XXX: add GIF/PNG/JPEG? |
| 1120 | { AV_CODEC_ID_MP3, MKTAG('.','m','p','3') }, |
| 1121 | { AV_CODEC_ID_AAC, MKTAG('m','p','4','a') }, |
| 1122 | { AV_CODEC_ID_H264, MKTAG('a','v','c','1') }, |
| 1123 | { AV_CODEC_ID_VP6A, MKTAG('V','P','6','A') }, |
| 1124 | { AV_CODEC_ID_VP6F, MKTAG('V','P','6','F') }, |
| 1125 | { AV_CODEC_ID_NONE, 0 }, |
| 1126 | }; |
| 1127 | |
| 1128 | static int mov_find_codec_tag(AVFormatContext *s, MOVTrack *track) |
| 1129 | { |
| 1130 | int tag; |
| 1131 | |
| 1132 | if (track->mode == MODE_MP4 || track->mode == MODE_PSP) |
| 1133 | tag = mp4_get_codec_tag(s, track); |
| 1134 | else if (track->mode == MODE_ISM) { |
| 1135 | tag = mp4_get_codec_tag(s, track); |
| 1136 | if (!tag && track->enc->codec_id == AV_CODEC_ID_WMAPRO) |
| 1137 | tag = MKTAG('w', 'm', 'a', ' '); |
| 1138 | } else if (track->mode == MODE_IPOD) |
| 1139 | tag = ipod_get_codec_tag(s, track); |
| 1140 | else if (track->mode & MODE_3GP) |
| 1141 | tag = ff_codec_get_tag(codec_3gp_tags, track->enc->codec_id); |
| 1142 | else if (track->mode == MODE_F4V) |
| 1143 | tag = ff_codec_get_tag(codec_f4v_tags, track->enc->codec_id); |
| 1144 | else |
| 1145 | tag = mov_get_codec_tag(s, track); |
| 1146 | |
| 1147 | return tag; |
| 1148 | } |
| 1149 | |
| 1150 | /** Write uuid atom. |
| 1151 | * Needed to make file play in iPods running newest firmware |
| 1152 | * goes after avcC atom in moov.trak.mdia.minf.stbl.stsd.avc1 |
| 1153 | */ |
| 1154 | static int mov_write_uuid_tag_ipod(AVIOContext *pb) |
| 1155 | { |
| 1156 | avio_wb32(pb, 28); |
| 1157 | ffio_wfourcc(pb, "uuid"); |
| 1158 | avio_wb32(pb, 0x6b6840f2); |
| 1159 | avio_wb32(pb, 0x5f244fc5); |
| 1160 | avio_wb32(pb, 0xba39a51b); |
| 1161 | avio_wb32(pb, 0xcf0323f3); |
| 1162 | avio_wb32(pb, 0x0); |
| 1163 | return 28; |
| 1164 | } |
| 1165 | |
| 1166 | static const uint16_t fiel_data[] = { |
| 1167 | 0x0000, 0x0100, 0x0201, 0x0206, 0x0209, 0x020e |
| 1168 | }; |
| 1169 | |
| 1170 | static int mov_write_fiel_tag(AVIOContext *pb, MOVTrack *track) |
| 1171 | { |
| 1172 | unsigned mov_field_order = 0; |
| 1173 | if (track->enc->field_order < FF_ARRAY_ELEMS(fiel_data)) |
| 1174 | mov_field_order = fiel_data[track->enc->field_order]; |
| 1175 | else |
| 1176 | return 0; |
| 1177 | avio_wb32(pb, 10); |
| 1178 | ffio_wfourcc(pb, "fiel"); |
| 1179 | avio_wb16(pb, mov_field_order); |
| 1180 | return 10; |
| 1181 | } |
| 1182 | |
| 1183 | static int mov_write_subtitle_tag(AVIOContext *pb, MOVTrack *track) |
| 1184 | { |
| 1185 | int64_t pos = avio_tell(pb); |
| 1186 | avio_wb32(pb, 0); /* size */ |
| 1187 | avio_wl32(pb, track->tag); // store it byteswapped |
| 1188 | avio_wb32(pb, 0); /* Reserved */ |
| 1189 | avio_wb16(pb, 0); /* Reserved */ |
| 1190 | avio_wb16(pb, 1); /* Data-reference index */ |
| 1191 | |
| 1192 | if (track->enc->codec_id == AV_CODEC_ID_DVD_SUBTITLE) |
| 1193 | mov_write_esds_tag(pb, track); |
| 1194 | else if (track->enc->extradata_size) |
| 1195 | avio_write(pb, track->enc->extradata, track->enc->extradata_size); |
| 1196 | |
| 1197 | return update_size(pb, pos); |
| 1198 | } |
| 1199 | |
| 1200 | static int mov_write_pasp_tag(AVIOContext *pb, MOVTrack *track) |
| 1201 | { |
| 1202 | AVRational sar; |
| 1203 | av_reduce(&sar.num, &sar.den, track->enc->sample_aspect_ratio.num, |
| 1204 | track->enc->sample_aspect_ratio.den, INT_MAX); |
| 1205 | |
| 1206 | avio_wb32(pb, 16); |
| 1207 | ffio_wfourcc(pb, "pasp"); |
| 1208 | avio_wb32(pb, sar.num); |
| 1209 | avio_wb32(pb, sar.den); |
| 1210 | return 16; |
| 1211 | } |
| 1212 | |
| 1213 | static void find_compressor(char * compressor_name, int len, MOVTrack *track) |
| 1214 | { |
| 1215 | AVDictionaryEntry *encoder; |
| 1216 | int xdcam_res = (track->enc->width == 1280 && track->enc->height == 720) |
| 1217 | || (track->enc->width == 1440 && track->enc->height == 1080) |
| 1218 | || (track->enc->width == 1920 && track->enc->height == 1080); |
| 1219 | |
| 1220 | if (track->mode == MODE_MOV && |
| 1221 | (encoder = av_dict_get(track->st->metadata, "encoder", NULL, 0))) { |
| 1222 | av_strlcpy(compressor_name, encoder->value, 32); |
| 1223 | } else if (track->enc->codec_id == AV_CODEC_ID_MPEG2VIDEO && xdcam_res) { |
| 1224 | int interlaced = track->enc->field_order > AV_FIELD_PROGRESSIVE; |
| 1225 | AVStream *st = track->st; |
| 1226 | int rate = av_q2d(find_fps(NULL, st)); |
| 1227 | av_strlcatf(compressor_name, len, "XDCAM"); |
| 1228 | if (track->enc->pix_fmt == AV_PIX_FMT_YUV422P) { |
| 1229 | av_strlcatf(compressor_name, len, " HD422"); |
| 1230 | } else if(track->enc->width == 1440) { |
| 1231 | av_strlcatf(compressor_name, len, " HD"); |
| 1232 | } else |
| 1233 | av_strlcatf(compressor_name, len, " EX"); |
| 1234 | |
| 1235 | av_strlcatf(compressor_name, len, " %d%c", track->enc->height, interlaced ? 'i' : 'p'); |
| 1236 | |
| 1237 | av_strlcatf(compressor_name, len, "%d", rate * (interlaced + 1)); |
| 1238 | } |
| 1239 | } |
| 1240 | |
| 1241 | static int mov_write_video_tag(AVIOContext *pb, MOVTrack *track) |
| 1242 | { |
| 1243 | int64_t pos = avio_tell(pb); |
| 1244 | char compressor_name[32] = { 0 }; |
| 1245 | |
| 1246 | avio_wb32(pb, 0); /* size */ |
| 1247 | avio_wl32(pb, track->tag); // store it byteswapped |
| 1248 | avio_wb32(pb, 0); /* Reserved */ |
| 1249 | avio_wb16(pb, 0); /* Reserved */ |
| 1250 | avio_wb16(pb, 1); /* Data-reference index */ |
| 1251 | |
| 1252 | avio_wb16(pb, 0); /* Codec stream version */ |
| 1253 | avio_wb16(pb, 0); /* Codec stream revision (=0) */ |
| 1254 | if (track->mode == MODE_MOV) { |
| 1255 | ffio_wfourcc(pb, "FFMP"); /* Vendor */ |
| 1256 | if (track->enc->codec_id == AV_CODEC_ID_RAWVIDEO) { |
| 1257 | avio_wb32(pb, 0); /* Temporal Quality */ |
| 1258 | avio_wb32(pb, 0x400); /* Spatial Quality = lossless*/ |
| 1259 | } else { |
| 1260 | avio_wb32(pb, 0x200); /* Temporal Quality = normal */ |
| 1261 | avio_wb32(pb, 0x200); /* Spatial Quality = normal */ |
| 1262 | } |
| 1263 | } else { |
| 1264 | avio_wb32(pb, 0); /* Reserved */ |
| 1265 | avio_wb32(pb, 0); /* Reserved */ |
| 1266 | avio_wb32(pb, 0); /* Reserved */ |
| 1267 | } |
| 1268 | avio_wb16(pb, track->enc->width); /* Video width */ |
| 1269 | avio_wb16(pb, track->height); /* Video height */ |
| 1270 | avio_wb32(pb, 0x00480000); /* Horizontal resolution 72dpi */ |
| 1271 | avio_wb32(pb, 0x00480000); /* Vertical resolution 72dpi */ |
| 1272 | avio_wb32(pb, 0); /* Data size (= 0) */ |
| 1273 | avio_wb16(pb, 1); /* Frame count (= 1) */ |
| 1274 | |
| 1275 | /* FIXME not sure, ISO 14496-1 draft where it shall be set to 0 */ |
| 1276 | find_compressor(compressor_name, 32, track); |
| 1277 | avio_w8(pb, strlen(compressor_name)); |
| 1278 | avio_write(pb, compressor_name, 31); |
| 1279 | |
| 1280 | if (track->mode == MODE_MOV && track->enc->bits_per_coded_sample) |
| 1281 | avio_wb16(pb, track->enc->bits_per_coded_sample); |
| 1282 | else |
| 1283 | avio_wb16(pb, 0x18); /* Reserved */ |
| 1284 | avio_wb16(pb, 0xffff); /* Reserved */ |
| 1285 | if (track->tag == MKTAG('m','p','4','v')) |
| 1286 | mov_write_esds_tag(pb, track); |
| 1287 | else if (track->enc->codec_id == AV_CODEC_ID_H263) |
| 1288 | mov_write_d263_tag(pb); |
| 1289 | else if (track->enc->codec_id == AV_CODEC_ID_AVUI || |
| 1290 | track->enc->codec_id == AV_CODEC_ID_SVQ3) { |
| 1291 | mov_write_extradata_tag(pb, track); |
| 1292 | avio_wb32(pb, 0); |
| 1293 | } else if (track->enc->codec_id == AV_CODEC_ID_DNXHD) |
| 1294 | mov_write_avid_tag(pb, track); |
| 1295 | else if (track->enc->codec_id == AV_CODEC_ID_HEVC) |
| 1296 | mov_write_hvcc_tag(pb, track); |
| 1297 | else if (track->enc->codec_id == AV_CODEC_ID_H264) { |
| 1298 | mov_write_avcc_tag(pb, track); |
| 1299 | if (track->mode == MODE_IPOD) |
| 1300 | mov_write_uuid_tag_ipod(pb); |
| 1301 | } else if (track->enc->codec_id == AV_CODEC_ID_VC1 && track->vos_len > 0) |
| 1302 | mov_write_dvc1_tag(pb, track); |
| 1303 | else if (track->enc->codec_id == AV_CODEC_ID_VP6F || |
| 1304 | track->enc->codec_id == AV_CODEC_ID_VP6A) { |
| 1305 | /* Don't write any potential extradata here - the cropping |
| 1306 | * is signalled via the normal width/height fields. */ |
| 1307 | } else if (track->vos_len > 0) |
| 1308 | mov_write_glbl_tag(pb, track); |
| 1309 | |
| 1310 | if (track->enc->codec_id != AV_CODEC_ID_H264 && |
| 1311 | track->enc->codec_id != AV_CODEC_ID_MPEG4 && |
| 1312 | track->enc->codec_id != AV_CODEC_ID_DNXHD) |
| 1313 | if (track->enc->field_order != AV_FIELD_UNKNOWN) |
| 1314 | mov_write_fiel_tag(pb, track); |
| 1315 | |
| 1316 | if (track->enc->sample_aspect_ratio.den && track->enc->sample_aspect_ratio.num && |
| 1317 | track->enc->sample_aspect_ratio.den != track->enc->sample_aspect_ratio.num) { |
| 1318 | mov_write_pasp_tag(pb, track); |
| 1319 | } |
| 1320 | |
| 1321 | return update_size(pb, pos); |
| 1322 | } |
| 1323 | |
| 1324 | static int mov_write_rtp_tag(AVIOContext *pb, MOVTrack *track) |
| 1325 | { |
| 1326 | int64_t pos = avio_tell(pb); |
| 1327 | avio_wb32(pb, 0); /* size */ |
| 1328 | ffio_wfourcc(pb, "rtp "); |
| 1329 | avio_wb32(pb, 0); /* Reserved */ |
| 1330 | avio_wb16(pb, 0); /* Reserved */ |
| 1331 | avio_wb16(pb, 1); /* Data-reference index */ |
| 1332 | |
| 1333 | avio_wb16(pb, 1); /* Hint track version */ |
| 1334 | avio_wb16(pb, 1); /* Highest compatible version */ |
| 1335 | avio_wb32(pb, track->max_packet_size); /* Max packet size */ |
| 1336 | |
| 1337 | avio_wb32(pb, 12); /* size */ |
| 1338 | ffio_wfourcc(pb, "tims"); |
| 1339 | avio_wb32(pb, track->timescale); |
| 1340 | |
| 1341 | return update_size(pb, pos); |
| 1342 | } |
| 1343 | |
| 1344 | static int mov_write_source_reference_tag(AVIOContext *pb, MOVTrack *track, const char *reel_name) |
| 1345 | { |
| 1346 | uint64_t str_size =strlen(reel_name); |
| 1347 | int64_t pos = avio_tell(pb); |
| 1348 | |
| 1349 | if (str_size >= UINT16_MAX){ |
| 1350 | av_log(NULL, AV_LOG_ERROR, "reel_name length %"PRIu64" is too large\n", str_size); |
| 1351 | avio_wb16(pb, 0); |
| 1352 | return AVERROR(EINVAL); |
| 1353 | } |
| 1354 | |
| 1355 | avio_wb32(pb, 0); /* size */ |
| 1356 | ffio_wfourcc(pb, "name"); /* Data format */ |
| 1357 | avio_wb16(pb, str_size); /* string size */ |
| 1358 | avio_wb16(pb, track->language); /* langcode */ |
| 1359 | avio_write(pb, reel_name, str_size); /* reel name */ |
| 1360 | return update_size(pb,pos); |
| 1361 | } |
| 1362 | |
| 1363 | static int mov_write_tmcd_tag(AVIOContext *pb, MOVTrack *track) |
| 1364 | { |
| 1365 | int64_t pos = avio_tell(pb); |
| 1366 | #if 1 |
| 1367 | int frame_duration = av_rescale(track->timescale, track->enc->time_base.num, track->enc->time_base.den); |
| 1368 | int nb_frames = 1.0/av_q2d(track->enc->time_base) + 0.5; |
| 1369 | AVDictionaryEntry *t = NULL; |
| 1370 | |
| 1371 | if (nb_frames > 255) { |
| 1372 | av_log(NULL, AV_LOG_ERROR, "fps %d is too large\n", nb_frames); |
| 1373 | return AVERROR(EINVAL); |
| 1374 | } |
| 1375 | |
| 1376 | avio_wb32(pb, 0); /* size */ |
| 1377 | ffio_wfourcc(pb, "tmcd"); /* Data format */ |
| 1378 | avio_wb32(pb, 0); /* Reserved */ |
| 1379 | avio_wb32(pb, 1); /* Data reference index */ |
| 1380 | avio_wb32(pb, 0); /* Flags */ |
| 1381 | avio_wb32(pb, track->timecode_flags); /* Flags (timecode) */ |
| 1382 | avio_wb32(pb, track->timescale); /* Timescale */ |
| 1383 | avio_wb32(pb, frame_duration); /* Frame duration */ |
| 1384 | avio_w8(pb, nb_frames); /* Number of frames */ |
| 1385 | avio_w8(pb, 0); /* Reserved */ |
| 1386 | |
| 1387 | if (track->st) |
| 1388 | t = av_dict_get(track->st->metadata, "reel_name", NULL, 0); |
| 1389 | |
| 1390 | if (t && utf8len(t->value)) |
| 1391 | mov_write_source_reference_tag(pb, track, t->value); |
| 1392 | else |
| 1393 | avio_wb16(pb, 0); /* zero size */ |
| 1394 | #else |
| 1395 | |
| 1396 | avio_wb32(pb, 0); /* size */ |
| 1397 | ffio_wfourcc(pb, "tmcd"); /* Data format */ |
| 1398 | avio_wb32(pb, 0); /* Reserved */ |
| 1399 | avio_wb32(pb, 1); /* Data reference index */ |
| 1400 | if (track->enc->extradata_size) |
| 1401 | avio_write(pb, track->enc->extradata, track->enc->extradata_size); |
| 1402 | #endif |
| 1403 | return update_size(pb, pos); |
| 1404 | } |
| 1405 | |
| 1406 | static int mov_write_stsd_tag(AVIOContext *pb, MOVTrack *track) |
| 1407 | { |
| 1408 | int64_t pos = avio_tell(pb); |
| 1409 | avio_wb32(pb, 0); /* size */ |
| 1410 | ffio_wfourcc(pb, "stsd"); |
| 1411 | avio_wb32(pb, 0); /* version & flags */ |
| 1412 | avio_wb32(pb, 1); /* entry count */ |
| 1413 | if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) |
| 1414 | mov_write_video_tag(pb, track); |
| 1415 | else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) |
| 1416 | mov_write_audio_tag(pb, track); |
| 1417 | else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) |
| 1418 | mov_write_subtitle_tag(pb, track); |
| 1419 | else if (track->enc->codec_tag == MKTAG('r','t','p',' ')) |
| 1420 | mov_write_rtp_tag(pb, track); |
| 1421 | else if (track->enc->codec_tag == MKTAG('t','m','c','d')) |
| 1422 | mov_write_tmcd_tag(pb, track); |
| 1423 | return update_size(pb, pos); |
| 1424 | } |
| 1425 | |
| 1426 | static int mov_write_ctts_tag(AVIOContext *pb, MOVTrack *track) |
| 1427 | { |
| 1428 | MOVStts *ctts_entries; |
| 1429 | uint32_t entries = 0; |
| 1430 | uint32_t atom_size; |
| 1431 | int i; |
| 1432 | |
| 1433 | ctts_entries = av_malloc_array((track->entry + 1), sizeof(*ctts_entries)); /* worst case */ |
| 1434 | ctts_entries[0].count = 1; |
| 1435 | ctts_entries[0].duration = track->cluster[0].cts; |
| 1436 | for (i = 1; i < track->entry; i++) { |
| 1437 | if (track->cluster[i].cts == ctts_entries[entries].duration) { |
| 1438 | ctts_entries[entries].count++; /* compress */ |
| 1439 | } else { |
| 1440 | entries++; |
| 1441 | ctts_entries[entries].duration = track->cluster[i].cts; |
| 1442 | ctts_entries[entries].count = 1; |
| 1443 | } |
| 1444 | } |
| 1445 | entries++; /* last one */ |
| 1446 | atom_size = 16 + (entries * 8); |
| 1447 | avio_wb32(pb, atom_size); /* size */ |
| 1448 | ffio_wfourcc(pb, "ctts"); |
| 1449 | avio_wb32(pb, 0); /* version & flags */ |
| 1450 | avio_wb32(pb, entries); /* entry count */ |
| 1451 | for (i = 0; i < entries; i++) { |
| 1452 | avio_wb32(pb, ctts_entries[i].count); |
| 1453 | avio_wb32(pb, ctts_entries[i].duration); |
| 1454 | } |
| 1455 | av_free(ctts_entries); |
| 1456 | return atom_size; |
| 1457 | } |
| 1458 | |
| 1459 | /* Time to sample atom */ |
| 1460 | static int mov_write_stts_tag(AVIOContext *pb, MOVTrack *track) |
| 1461 | { |
| 1462 | MOVStts *stts_entries; |
| 1463 | uint32_t entries = -1; |
| 1464 | uint32_t atom_size; |
| 1465 | int i; |
| 1466 | |
| 1467 | if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO && !track->audio_vbr) { |
| 1468 | stts_entries = av_malloc(sizeof(*stts_entries)); /* one entry */ |
| 1469 | stts_entries[0].count = track->sample_count; |
| 1470 | stts_entries[0].duration = 1; |
| 1471 | entries = 1; |
| 1472 | } else { |
| 1473 | stts_entries = track->entry ? |
| 1474 | av_malloc_array(track->entry, sizeof(*stts_entries)) : /* worst case */ |
| 1475 | NULL; |
| 1476 | for (i = 0; i < track->entry; i++) { |
| 1477 | int duration = get_cluster_duration(track, i); |
| 1478 | if (i && duration == stts_entries[entries].duration) { |
| 1479 | stts_entries[entries].count++; /* compress */ |
| 1480 | } else { |
| 1481 | entries++; |
| 1482 | stts_entries[entries].duration = duration; |
| 1483 | stts_entries[entries].count = 1; |
| 1484 | } |
| 1485 | } |
| 1486 | entries++; /* last one */ |
| 1487 | } |
| 1488 | atom_size = 16 + (entries * 8); |
| 1489 | avio_wb32(pb, atom_size); /* size */ |
| 1490 | ffio_wfourcc(pb, "stts"); |
| 1491 | avio_wb32(pb, 0); /* version & flags */ |
| 1492 | avio_wb32(pb, entries); /* entry count */ |
| 1493 | for (i = 0; i < entries; i++) { |
| 1494 | avio_wb32(pb, stts_entries[i].count); |
| 1495 | avio_wb32(pb, stts_entries[i].duration); |
| 1496 | } |
| 1497 | av_free(stts_entries); |
| 1498 | return atom_size; |
| 1499 | } |
| 1500 | |
| 1501 | static int mov_write_dref_tag(AVIOContext *pb) |
| 1502 | { |
| 1503 | avio_wb32(pb, 28); /* size */ |
| 1504 | ffio_wfourcc(pb, "dref"); |
| 1505 | avio_wb32(pb, 0); /* version & flags */ |
| 1506 | avio_wb32(pb, 1); /* entry count */ |
| 1507 | |
| 1508 | avio_wb32(pb, 0xc); /* size */ |
| 1509 | //FIXME add the alis and rsrc atom |
| 1510 | ffio_wfourcc(pb, "url "); |
| 1511 | avio_wb32(pb, 1); /* version & flags */ |
| 1512 | |
| 1513 | return 28; |
| 1514 | } |
| 1515 | |
| 1516 | static int mov_write_stbl_tag(AVIOContext *pb, MOVTrack *track) |
| 1517 | { |
| 1518 | int64_t pos = avio_tell(pb); |
| 1519 | avio_wb32(pb, 0); /* size */ |
| 1520 | ffio_wfourcc(pb, "stbl"); |
| 1521 | mov_write_stsd_tag(pb, track); |
| 1522 | mov_write_stts_tag(pb, track); |
| 1523 | if ((track->enc->codec_type == AVMEDIA_TYPE_VIDEO || |
| 1524 | track->enc->codec_tag == MKTAG('r','t','p',' ')) && |
| 1525 | track->has_keyframes && track->has_keyframes < track->entry) |
| 1526 | mov_write_stss_tag(pb, track, MOV_SYNC_SAMPLE); |
| 1527 | if (track->mode == MODE_MOV && track->flags & MOV_TRACK_STPS) |
| 1528 | mov_write_stss_tag(pb, track, MOV_PARTIAL_SYNC_SAMPLE); |
| 1529 | if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO && |
| 1530 | track->flags & MOV_TRACK_CTTS) |
| 1531 | mov_write_ctts_tag(pb, track); |
| 1532 | mov_write_stsc_tag(pb, track); |
| 1533 | mov_write_stsz_tag(pb, track); |
| 1534 | mov_write_stco_tag(pb, track); |
| 1535 | return update_size(pb, pos); |
| 1536 | } |
| 1537 | |
| 1538 | static int mov_write_dinf_tag(AVIOContext *pb) |
| 1539 | { |
| 1540 | int64_t pos = avio_tell(pb); |
| 1541 | avio_wb32(pb, 0); /* size */ |
| 1542 | ffio_wfourcc(pb, "dinf"); |
| 1543 | mov_write_dref_tag(pb); |
| 1544 | return update_size(pb, pos); |
| 1545 | } |
| 1546 | |
| 1547 | static int mov_write_nmhd_tag(AVIOContext *pb) |
| 1548 | { |
| 1549 | avio_wb32(pb, 12); |
| 1550 | ffio_wfourcc(pb, "nmhd"); |
| 1551 | avio_wb32(pb, 0); |
| 1552 | return 12; |
| 1553 | } |
| 1554 | |
| 1555 | static int mov_write_tcmi_tag(AVIOContext *pb, MOVTrack *track) |
| 1556 | { |
| 1557 | int64_t pos = avio_tell(pb); |
| 1558 | const char *font = "Lucida Grande"; |
| 1559 | avio_wb32(pb, 0); /* size */ |
| 1560 | ffio_wfourcc(pb, "tcmi"); /* timecode media information atom */ |
| 1561 | avio_wb32(pb, 0); /* version & flags */ |
| 1562 | avio_wb16(pb, 0); /* text font */ |
| 1563 | avio_wb16(pb, 0); /* text face */ |
| 1564 | avio_wb16(pb, 12); /* text size */ |
| 1565 | avio_wb16(pb, 0); /* (unknown, not in the QT specs...) */ |
| 1566 | avio_wb16(pb, 0x0000); /* text color (red) */ |
| 1567 | avio_wb16(pb, 0x0000); /* text color (green) */ |
| 1568 | avio_wb16(pb, 0x0000); /* text color (blue) */ |
| 1569 | avio_wb16(pb, 0xffff); /* background color (red) */ |
| 1570 | avio_wb16(pb, 0xffff); /* background color (green) */ |
| 1571 | avio_wb16(pb, 0xffff); /* background color (blue) */ |
| 1572 | avio_w8(pb, strlen(font)); /* font len (part of the pascal string) */ |
| 1573 | avio_write(pb, font, strlen(font)); /* font name */ |
| 1574 | return update_size(pb, pos); |
| 1575 | } |
| 1576 | |
| 1577 | static int mov_write_gmhd_tag(AVIOContext *pb, MOVTrack *track) |
| 1578 | { |
| 1579 | int64_t pos = avio_tell(pb); |
| 1580 | avio_wb32(pb, 0); /* size */ |
| 1581 | ffio_wfourcc(pb, "gmhd"); |
| 1582 | avio_wb32(pb, 0x18); /* gmin size */ |
| 1583 | ffio_wfourcc(pb, "gmin");/* generic media info */ |
| 1584 | avio_wb32(pb, 0); /* version & flags */ |
| 1585 | avio_wb16(pb, 0x40); /* graphics mode = */ |
| 1586 | avio_wb16(pb, 0x8000); /* opColor (r?) */ |
| 1587 | avio_wb16(pb, 0x8000); /* opColor (g?) */ |
| 1588 | avio_wb16(pb, 0x8000); /* opColor (b?) */ |
| 1589 | avio_wb16(pb, 0); /* balance */ |
| 1590 | avio_wb16(pb, 0); /* reserved */ |
| 1591 | |
| 1592 | /* |
| 1593 | * This special text atom is required for |
| 1594 | * Apple Quicktime chapters. The contents |
| 1595 | * don't appear to be documented, so the |
| 1596 | * bytes are copied verbatim. |
| 1597 | */ |
| 1598 | if (track->tag != MKTAG('c','6','0','8')) { |
| 1599 | avio_wb32(pb, 0x2C); /* size */ |
| 1600 | ffio_wfourcc(pb, "text"); |
| 1601 | avio_wb16(pb, 0x01); |
| 1602 | avio_wb32(pb, 0x00); |
| 1603 | avio_wb32(pb, 0x00); |
| 1604 | avio_wb32(pb, 0x00); |
| 1605 | avio_wb32(pb, 0x01); |
| 1606 | avio_wb32(pb, 0x00); |
| 1607 | avio_wb32(pb, 0x00); |
| 1608 | avio_wb32(pb, 0x00); |
| 1609 | avio_wb32(pb, 0x00004000); |
| 1610 | avio_wb16(pb, 0x0000); |
| 1611 | } |
| 1612 | |
| 1613 | if (track->enc->codec_tag == MKTAG('t','m','c','d')) { |
| 1614 | int64_t tmcd_pos = avio_tell(pb); |
| 1615 | avio_wb32(pb, 0); /* size */ |
| 1616 | ffio_wfourcc(pb, "tmcd"); |
| 1617 | mov_write_tcmi_tag(pb, track); |
| 1618 | update_size(pb, tmcd_pos); |
| 1619 | } |
| 1620 | return update_size(pb, pos); |
| 1621 | } |
| 1622 | |
| 1623 | static int mov_write_smhd_tag(AVIOContext *pb) |
| 1624 | { |
| 1625 | avio_wb32(pb, 16); /* size */ |
| 1626 | ffio_wfourcc(pb, "smhd"); |
| 1627 | avio_wb32(pb, 0); /* version & flags */ |
| 1628 | avio_wb16(pb, 0); /* reserved (balance, normally = 0) */ |
| 1629 | avio_wb16(pb, 0); /* reserved */ |
| 1630 | return 16; |
| 1631 | } |
| 1632 | |
| 1633 | static int mov_write_vmhd_tag(AVIOContext *pb) |
| 1634 | { |
| 1635 | avio_wb32(pb, 0x14); /* size (always 0x14) */ |
| 1636 | ffio_wfourcc(pb, "vmhd"); |
| 1637 | avio_wb32(pb, 0x01); /* version & flags */ |
| 1638 | avio_wb64(pb, 0); /* reserved (graphics mode = copy) */ |
| 1639 | return 0x14; |
| 1640 | } |
| 1641 | |
| 1642 | static int is_clcp_track(MOVTrack *track) |
| 1643 | { |
| 1644 | return track->tag == MKTAG('c','7','0','8') || |
| 1645 | track->tag == MKTAG('c','6','0','8'); |
| 1646 | } |
| 1647 | |
| 1648 | static int mov_write_hdlr_tag(AVIOContext *pb, MOVTrack *track) |
| 1649 | { |
| 1650 | const char *hdlr, *descr = NULL, *hdlr_type = NULL; |
| 1651 | int64_t pos = avio_tell(pb); |
| 1652 | |
| 1653 | hdlr = "dhlr"; |
| 1654 | hdlr_type = "url "; |
| 1655 | descr = "DataHandler"; |
| 1656 | |
| 1657 | if (track) { |
| 1658 | hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0"; |
| 1659 | if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) { |
| 1660 | hdlr_type = "vide"; |
| 1661 | descr = "VideoHandler"; |
| 1662 | } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) { |
| 1663 | hdlr_type = "soun"; |
| 1664 | descr = "SoundHandler"; |
| 1665 | } else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) { |
| 1666 | if (is_clcp_track(track)) { |
| 1667 | hdlr_type = "clcp"; |
| 1668 | descr = "ClosedCaptionHandler"; |
| 1669 | } else { |
| 1670 | if (track->tag == MKTAG('t','x','3','g')) { |
| 1671 | hdlr_type = "sbtl"; |
| 1672 | } else if (track->tag == MKTAG('m','p','4','s')) { |
| 1673 | hdlr_type = "subp"; |
| 1674 | } else { |
| 1675 | hdlr_type = "text"; |
| 1676 | } |
| 1677 | descr = "SubtitleHandler"; |
| 1678 | } |
| 1679 | } else if (track->enc->codec_tag == MKTAG('r','t','p',' ')) { |
| 1680 | hdlr_type = "hint"; |
| 1681 | descr = "HintHandler"; |
| 1682 | } else if (track->enc->codec_tag == MKTAG('t','m','c','d')) { |
| 1683 | hdlr_type = "tmcd"; |
| 1684 | descr = "TimeCodeHandler"; |
| 1685 | } else { |
| 1686 | char tag_buf[32]; |
| 1687 | av_get_codec_tag_string(tag_buf, sizeof(tag_buf), |
| 1688 | track->enc->codec_tag); |
| 1689 | |
| 1690 | av_log(track->enc, AV_LOG_WARNING, |
| 1691 | "Unknown hldr_type for %s / 0x%04X, writing dummy values\n", |
| 1692 | tag_buf, track->enc->codec_tag); |
| 1693 | } |
| 1694 | if (track->st) { |
| 1695 | // hdlr.name is used by some players to identify the content title |
| 1696 | // of the track. So if an alternate handler description is |
| 1697 | // specified, use it. |
| 1698 | AVDictionaryEntry *t; |
| 1699 | t = av_dict_get(track->st->metadata, "handler", NULL, 0); |
| 1700 | if (t && utf8len(t->value)) |
| 1701 | descr = t->value; |
| 1702 | } |
| 1703 | } |
| 1704 | |
| 1705 | avio_wb32(pb, 0); /* size */ |
| 1706 | ffio_wfourcc(pb, "hdlr"); |
| 1707 | avio_wb32(pb, 0); /* Version & flags */ |
| 1708 | avio_write(pb, hdlr, 4); /* handler */ |
| 1709 | ffio_wfourcc(pb, hdlr_type); /* handler type */ |
| 1710 | avio_wb32(pb, 0); /* reserved */ |
| 1711 | avio_wb32(pb, 0); /* reserved */ |
| 1712 | avio_wb32(pb, 0); /* reserved */ |
| 1713 | if (!track || track->mode == MODE_MOV) |
| 1714 | avio_w8(pb, strlen(descr)); /* pascal string */ |
| 1715 | avio_write(pb, descr, strlen(descr)); /* handler description */ |
| 1716 | if (track && track->mode != MODE_MOV) |
| 1717 | avio_w8(pb, 0); /* c string */ |
| 1718 | return update_size(pb, pos); |
| 1719 | } |
| 1720 | |
| 1721 | static int mov_write_hmhd_tag(AVIOContext *pb) |
| 1722 | { |
| 1723 | /* This atom must be present, but leaving the values at zero |
| 1724 | * seems harmless. */ |
| 1725 | avio_wb32(pb, 28); /* size */ |
| 1726 | ffio_wfourcc(pb, "hmhd"); |
| 1727 | avio_wb32(pb, 0); /* version, flags */ |
| 1728 | avio_wb16(pb, 0); /* maxPDUsize */ |
| 1729 | avio_wb16(pb, 0); /* avgPDUsize */ |
| 1730 | avio_wb32(pb, 0); /* maxbitrate */ |
| 1731 | avio_wb32(pb, 0); /* avgbitrate */ |
| 1732 | avio_wb32(pb, 0); /* reserved */ |
| 1733 | return 28; |
| 1734 | } |
| 1735 | |
| 1736 | static int mov_write_minf_tag(AVIOContext *pb, MOVTrack *track) |
| 1737 | { |
| 1738 | int64_t pos = avio_tell(pb); |
| 1739 | avio_wb32(pb, 0); /* size */ |
| 1740 | ffio_wfourcc(pb, "minf"); |
| 1741 | if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) |
| 1742 | mov_write_vmhd_tag(pb); |
| 1743 | else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) |
| 1744 | mov_write_smhd_tag(pb); |
| 1745 | else if (track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE) { |
| 1746 | if (track->tag == MKTAG('t','e','x','t') || is_clcp_track(track)) { |
| 1747 | mov_write_gmhd_tag(pb, track); |
| 1748 | } else { |
| 1749 | mov_write_nmhd_tag(pb); |
| 1750 | } |
| 1751 | } else if (track->tag == MKTAG('r','t','p',' ')) { |
| 1752 | mov_write_hmhd_tag(pb); |
| 1753 | } else if (track->tag == MKTAG('t','m','c','d')) { |
| 1754 | mov_write_gmhd_tag(pb, track); |
| 1755 | } |
| 1756 | if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */ |
| 1757 | mov_write_hdlr_tag(pb, NULL); |
| 1758 | mov_write_dinf_tag(pb); |
| 1759 | mov_write_stbl_tag(pb, track); |
| 1760 | return update_size(pb, pos); |
| 1761 | } |
| 1762 | |
| 1763 | static int mov_write_mdhd_tag(AVIOContext *pb, MOVTrack *track) |
| 1764 | { |
| 1765 | int version = track->track_duration < INT32_MAX ? 0 : 1; |
| 1766 | |
| 1767 | if (track->mode == MODE_ISM) |
| 1768 | version = 1; |
| 1769 | |
| 1770 | (version == 1) ? avio_wb32(pb, 44) : avio_wb32(pb, 32); /* size */ |
| 1771 | ffio_wfourcc(pb, "mdhd"); |
| 1772 | avio_w8(pb, version); |
| 1773 | avio_wb24(pb, 0); /* flags */ |
| 1774 | if (version == 1) { |
| 1775 | avio_wb64(pb, track->time); |
| 1776 | avio_wb64(pb, track->time); |
| 1777 | } else { |
| 1778 | avio_wb32(pb, track->time); /* creation time */ |
| 1779 | avio_wb32(pb, track->time); /* modification time */ |
| 1780 | } |
| 1781 | avio_wb32(pb, track->timescale); /* time scale (sample rate for audio) */ |
| 1782 | if (!track->entry) |
| 1783 | (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff); |
| 1784 | else |
| 1785 | (version == 1) ? avio_wb64(pb, track->track_duration) : avio_wb32(pb, track->track_duration); /* duration */ |
| 1786 | avio_wb16(pb, track->language); /* language */ |
| 1787 | avio_wb16(pb, 0); /* reserved (quality) */ |
| 1788 | |
| 1789 | if (version != 0 && track->mode == MODE_MOV) { |
| 1790 | av_log(NULL, AV_LOG_ERROR, |
| 1791 | "FATAL error, file duration too long for timebase, this file will not be\n" |
| 1792 | "playable with quicktime. Choose a different timebase or a different\n" |
| 1793 | "container format\n"); |
| 1794 | } |
| 1795 | |
| 1796 | return 32; |
| 1797 | } |
| 1798 | |
| 1799 | static int mov_write_mdia_tag(AVIOContext *pb, MOVTrack *track) |
| 1800 | { |
| 1801 | int64_t pos = avio_tell(pb); |
| 1802 | avio_wb32(pb, 0); /* size */ |
| 1803 | ffio_wfourcc(pb, "mdia"); |
| 1804 | mov_write_mdhd_tag(pb, track); |
| 1805 | mov_write_hdlr_tag(pb, track); |
| 1806 | mov_write_minf_tag(pb, track); |
| 1807 | return update_size(pb, pos); |
| 1808 | } |
| 1809 | |
| 1810 | /* transformation matrix |
| 1811 | |a b u| |
| 1812 | |c d v| |
| 1813 | |tx ty w| */ |
| 1814 | static void write_matrix(AVIOContext *pb, int16_t a, int16_t b, int16_t c, |
| 1815 | int16_t d, int16_t tx, int16_t ty) |
| 1816 | { |
| 1817 | avio_wb32(pb, a << 16); /* 16.16 format */ |
| 1818 | avio_wb32(pb, b << 16); /* 16.16 format */ |
| 1819 | avio_wb32(pb, 0); /* u in 2.30 format */ |
| 1820 | avio_wb32(pb, c << 16); /* 16.16 format */ |
| 1821 | avio_wb32(pb, d << 16); /* 16.16 format */ |
| 1822 | avio_wb32(pb, 0); /* v in 2.30 format */ |
| 1823 | avio_wb32(pb, tx << 16); /* 16.16 format */ |
| 1824 | avio_wb32(pb, ty << 16); /* 16.16 format */ |
| 1825 | avio_wb32(pb, 1 << 30); /* w in 2.30 format */ |
| 1826 | } |
| 1827 | |
| 1828 | static int mov_write_tkhd_tag(AVIOContext *pb, MOVMuxContext *mov, |
| 1829 | MOVTrack *track, AVStream *st) |
| 1830 | { |
| 1831 | int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE, |
| 1832 | track->timescale, AV_ROUND_UP); |
| 1833 | int version = duration < INT32_MAX ? 0 : 1; |
| 1834 | int flags = MOV_TKHD_FLAG_IN_MOVIE; |
| 1835 | int rotation = 0; |
| 1836 | int group = 0; |
| 1837 | |
| 1838 | |
| 1839 | if (st) { |
| 1840 | if (mov->per_stream_grouping) |
| 1841 | group = st->index; |
| 1842 | else |
| 1843 | group = st->codec->codec_type; |
| 1844 | } |
| 1845 | |
| 1846 | if (track->flags & MOV_TRACK_ENABLED) |
| 1847 | flags |= MOV_TKHD_FLAG_ENABLED; |
| 1848 | |
| 1849 | if (track->mode == MODE_ISM) |
| 1850 | version = 1; |
| 1851 | |
| 1852 | (version == 1) ? avio_wb32(pb, 104) : avio_wb32(pb, 92); /* size */ |
| 1853 | ffio_wfourcc(pb, "tkhd"); |
| 1854 | avio_w8(pb, version); |
| 1855 | avio_wb24(pb, flags); |
| 1856 | if (version == 1) { |
| 1857 | avio_wb64(pb, track->time); |
| 1858 | avio_wb64(pb, track->time); |
| 1859 | } else { |
| 1860 | avio_wb32(pb, track->time); /* creation time */ |
| 1861 | avio_wb32(pb, track->time); /* modification time */ |
| 1862 | } |
| 1863 | avio_wb32(pb, track->track_id); /* track-id */ |
| 1864 | avio_wb32(pb, 0); /* reserved */ |
| 1865 | if (!track->entry) |
| 1866 | (version == 1) ? avio_wb64(pb, UINT64_C(0xffffffffffffffff)) : avio_wb32(pb, 0xffffffff); |
| 1867 | else |
| 1868 | (version == 1) ? avio_wb64(pb, duration) : avio_wb32(pb, duration); |
| 1869 | |
| 1870 | avio_wb32(pb, 0); /* reserved */ |
| 1871 | avio_wb32(pb, 0); /* reserved */ |
| 1872 | avio_wb16(pb, 0); /* layer */ |
| 1873 | avio_wb16(pb, group); /* alternate group) */ |
| 1874 | /* Volume, only for audio */ |
| 1875 | if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) |
| 1876 | avio_wb16(pb, 0x0100); |
| 1877 | else |
| 1878 | avio_wb16(pb, 0); |
| 1879 | avio_wb16(pb, 0); /* reserved */ |
| 1880 | |
| 1881 | /* Matrix structure */ |
| 1882 | if (st && st->metadata) { |
| 1883 | AVDictionaryEntry *rot = av_dict_get(st->metadata, "rotate", NULL, 0); |
| 1884 | rotation = (rot && rot->value) ? atoi(rot->value) : 0; |
| 1885 | } |
| 1886 | if (rotation == 90) { |
| 1887 | write_matrix(pb, 0, 1, -1, 0, track->enc->height, 0); |
| 1888 | } else if (rotation == 180) { |
| 1889 | write_matrix(pb, -1, 0, 0, -1, track->enc->width, track->enc->height); |
| 1890 | } else if (rotation == 270) { |
| 1891 | write_matrix(pb, 0, -1, 1, 0, 0, track->enc->width); |
| 1892 | } else { |
| 1893 | write_matrix(pb, 1, 0, 0, 1, 0, 0); |
| 1894 | } |
| 1895 | /* Track width and height, for visual only */ |
| 1896 | if (st && (track->enc->codec_type == AVMEDIA_TYPE_VIDEO || |
| 1897 | track->enc->codec_type == AVMEDIA_TYPE_SUBTITLE)) { |
| 1898 | if (track->mode == MODE_MOV) { |
| 1899 | avio_wb32(pb, track->enc->width << 16); |
| 1900 | avio_wb32(pb, track->height << 16); |
| 1901 | } else { |
| 1902 | double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio); |
| 1903 | if (!sample_aspect_ratio || track->height != track->enc->height) |
| 1904 | sample_aspect_ratio = 1; |
| 1905 | avio_wb32(pb, sample_aspect_ratio * track->enc->width * 0x10000); |
| 1906 | avio_wb32(pb, track->height * 0x10000); |
| 1907 | } |
| 1908 | } else { |
| 1909 | avio_wb32(pb, 0); |
| 1910 | avio_wb32(pb, 0); |
| 1911 | } |
| 1912 | return 0x5c; |
| 1913 | } |
| 1914 | |
| 1915 | static int mov_write_tapt_tag(AVIOContext *pb, MOVTrack *track) |
| 1916 | { |
| 1917 | int32_t width = av_rescale(track->enc->sample_aspect_ratio.num, track->enc->width, |
| 1918 | track->enc->sample_aspect_ratio.den); |
| 1919 | |
| 1920 | int64_t pos = avio_tell(pb); |
| 1921 | |
| 1922 | avio_wb32(pb, 0); /* size */ |
| 1923 | ffio_wfourcc(pb, "tapt"); |
| 1924 | |
| 1925 | avio_wb32(pb, 20); |
| 1926 | ffio_wfourcc(pb, "clef"); |
| 1927 | avio_wb32(pb, 0); |
| 1928 | avio_wb32(pb, width << 16); |
| 1929 | avio_wb32(pb, track->enc->height << 16); |
| 1930 | |
| 1931 | avio_wb32(pb, 20); |
| 1932 | ffio_wfourcc(pb, "prof"); |
| 1933 | avio_wb32(pb, 0); |
| 1934 | avio_wb32(pb, width << 16); |
| 1935 | avio_wb32(pb, track->enc->height << 16); |
| 1936 | |
| 1937 | avio_wb32(pb, 20); |
| 1938 | ffio_wfourcc(pb, "enof"); |
| 1939 | avio_wb32(pb, 0); |
| 1940 | avio_wb32(pb, track->enc->width << 16); |
| 1941 | avio_wb32(pb, track->enc->height << 16); |
| 1942 | |
| 1943 | return update_size(pb, pos); |
| 1944 | } |
| 1945 | |
| 1946 | // This box seems important for the psp playback ... without it the movie seems to hang |
| 1947 | static int mov_write_edts_tag(AVIOContext *pb, MOVTrack *track) |
| 1948 | { |
| 1949 | int64_t duration = av_rescale_rnd(track->track_duration, MOV_TIMESCALE, |
| 1950 | track->timescale, AV_ROUND_UP); |
| 1951 | int version = duration < INT32_MAX ? 0 : 1; |
| 1952 | int entry_size, entry_count, size; |
| 1953 | int64_t delay, start_ct = track->cluster[0].cts; |
| 1954 | delay = av_rescale_rnd(track->cluster[0].dts + start_ct, MOV_TIMESCALE, |
| 1955 | track->timescale, AV_ROUND_DOWN); |
| 1956 | version |= delay < INT32_MAX ? 0 : 1; |
| 1957 | |
| 1958 | entry_size = (version == 1) ? 20 : 12; |
| 1959 | entry_count = 1 + (delay > 0); |
| 1960 | size = 24 + entry_count * entry_size; |
| 1961 | |
| 1962 | /* write the atom data */ |
| 1963 | avio_wb32(pb, size); |
| 1964 | ffio_wfourcc(pb, "edts"); |
| 1965 | avio_wb32(pb, size - 8); |
| 1966 | ffio_wfourcc(pb, "elst"); |
| 1967 | avio_w8(pb, version); |
| 1968 | avio_wb24(pb, 0); /* flags */ |
| 1969 | |
| 1970 | avio_wb32(pb, entry_count); |
| 1971 | if (delay > 0) { /* add an empty edit to delay presentation */ |
| 1972 | if (version == 1) { |
| 1973 | avio_wb64(pb, delay); |
| 1974 | avio_wb64(pb, -1); |
| 1975 | } else { |
| 1976 | avio_wb32(pb, delay); |
| 1977 | avio_wb32(pb, -1); |
| 1978 | } |
| 1979 | avio_wb32(pb, 0x00010000); |
| 1980 | } else { |
| 1981 | av_assert0(av_rescale_rnd(track->cluster[0].dts, MOV_TIMESCALE, track->timescale, AV_ROUND_DOWN) <= 0); |
| 1982 | start_ct = -FFMIN(track->cluster[0].dts, 0); //FFMIN needed due to rounding |
| 1983 | duration += delay; |
| 1984 | } |
| 1985 | |
| 1986 | /* duration */ |
| 1987 | if (version == 1) { |
| 1988 | avio_wb64(pb, duration); |
| 1989 | avio_wb64(pb, start_ct); |
| 1990 | } else { |
| 1991 | avio_wb32(pb, duration); |
| 1992 | avio_wb32(pb, start_ct); |
| 1993 | } |
| 1994 | avio_wb32(pb, 0x00010000); |
| 1995 | return size; |
| 1996 | } |
| 1997 | |
| 1998 | static int mov_write_tref_tag(AVIOContext *pb, MOVTrack *track) |
| 1999 | { |
| 2000 | avio_wb32(pb, 20); // size |
| 2001 | ffio_wfourcc(pb, "tref"); |
| 2002 | avio_wb32(pb, 12); // size (subatom) |
| 2003 | avio_wl32(pb, track->tref_tag); |
| 2004 | avio_wb32(pb, track->tref_id); |
| 2005 | return 20; |
| 2006 | } |
| 2007 | |
| 2008 | // goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it) |
| 2009 | static int mov_write_uuid_tag_psp(AVIOContext *pb, MOVTrack *mov) |
| 2010 | { |
| 2011 | avio_wb32(pb, 0x34); /* size ... reports as 28 in mp4box! */ |
| 2012 | ffio_wfourcc(pb, "uuid"); |
| 2013 | ffio_wfourcc(pb, "USMT"); |
| 2014 | avio_wb32(pb, 0x21d24fce); |
| 2015 | avio_wb32(pb, 0xbb88695c); |
| 2016 | avio_wb32(pb, 0xfac9c740); |
| 2017 | avio_wb32(pb, 0x1c); // another size here! |
| 2018 | ffio_wfourcc(pb, "MTDT"); |
| 2019 | avio_wb32(pb, 0x00010012); |
| 2020 | avio_wb32(pb, 0x0a); |
| 2021 | avio_wb32(pb, 0x55c40000); |
| 2022 | avio_wb32(pb, 0x1); |
| 2023 | avio_wb32(pb, 0x0); |
| 2024 | return 0x34; |
| 2025 | } |
| 2026 | |
| 2027 | static int mov_write_udta_sdp(AVIOContext *pb, MOVTrack *track) |
| 2028 | { |
| 2029 | AVFormatContext *ctx = track->rtp_ctx; |
| 2030 | char buf[1000] = ""; |
| 2031 | int len; |
| 2032 | |
| 2033 | ff_sdp_write_media(buf, sizeof(buf), ctx->streams[0], track->src_track, |
| 2034 | NULL, NULL, 0, 0, ctx); |
| 2035 | av_strlcatf(buf, sizeof(buf), "a=control:streamid=%d\r\n", track->track_id); |
| 2036 | len = strlen(buf); |
| 2037 | |
| 2038 | avio_wb32(pb, len + 24); |
| 2039 | ffio_wfourcc(pb, "udta"); |
| 2040 | avio_wb32(pb, len + 16); |
| 2041 | ffio_wfourcc(pb, "hnti"); |
| 2042 | avio_wb32(pb, len + 8); |
| 2043 | ffio_wfourcc(pb, "sdp "); |
| 2044 | avio_write(pb, buf, len); |
| 2045 | return len + 24; |
| 2046 | } |
| 2047 | |
| 2048 | static int mov_write_track_metadata(AVIOContext *pb, AVStream *st, |
| 2049 | const char *tag, const char *str) |
| 2050 | { |
| 2051 | int64_t pos = avio_tell(pb); |
| 2052 | AVDictionaryEntry *t = av_dict_get(st->metadata, str, NULL, 0); |
| 2053 | if (!t || !utf8len(t->value)) |
| 2054 | return 0; |
| 2055 | |
| 2056 | avio_wb32(pb, 0); /* size */ |
| 2057 | ffio_wfourcc(pb, tag); /* type */ |
| 2058 | avio_write(pb, t->value, strlen(t->value)); /* UTF8 string value */ |
| 2059 | return update_size(pb, pos); |
| 2060 | } |
| 2061 | |
| 2062 | static int mov_write_track_udta_tag(AVIOContext *pb, MOVMuxContext *mov, |
| 2063 | AVStream *st) |
| 2064 | { |
| 2065 | AVIOContext *pb_buf; |
| 2066 | int ret, size; |
| 2067 | uint8_t *buf; |
| 2068 | |
| 2069 | if (!st || mov->fc->flags & AVFMT_FLAG_BITEXACT) |
| 2070 | return 0; |
| 2071 | |
| 2072 | ret = avio_open_dyn_buf(&pb_buf); |
| 2073 | if (ret < 0) |
| 2074 | return ret; |
| 2075 | |
| 2076 | if (mov->mode & MODE_MP4) |
| 2077 | mov_write_track_metadata(pb_buf, st, "name", "title"); |
| 2078 | |
| 2079 | if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) { |
| 2080 | avio_wb32(pb, size + 8); |
| 2081 | ffio_wfourcc(pb, "udta"); |
| 2082 | avio_write(pb, buf, size); |
| 2083 | } |
| 2084 | av_free(buf); |
| 2085 | |
| 2086 | return 0; |
| 2087 | } |
| 2088 | |
| 2089 | static int mov_write_trak_tag(AVIOContext *pb, MOVMuxContext *mov, |
| 2090 | MOVTrack *track, AVStream *st) |
| 2091 | { |
| 2092 | int64_t pos = avio_tell(pb); |
| 2093 | avio_wb32(pb, 0); /* size */ |
| 2094 | ffio_wfourcc(pb, "trak"); |
| 2095 | mov_write_tkhd_tag(pb, mov, track, st); |
| 2096 | if (supports_edts(mov)) |
| 2097 | mov_write_edts_tag(pb, track); // PSP Movies and several other cases require edts box |
| 2098 | if (track->tref_tag) |
| 2099 | mov_write_tref_tag(pb, track); |
| 2100 | mov_write_mdia_tag(pb, track); |
| 2101 | if (track->mode == MODE_PSP) |
| 2102 | mov_write_uuid_tag_psp(pb, track); // PSP Movies require this uuid box |
| 2103 | if (track->tag == MKTAG('r','t','p',' ')) |
| 2104 | mov_write_udta_sdp(pb, track); |
| 2105 | if (track->mode == MODE_MOV) { |
| 2106 | if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) { |
| 2107 | double sample_aspect_ratio = av_q2d(st->sample_aspect_ratio); |
| 2108 | if (st->sample_aspect_ratio.num && 1.0 != sample_aspect_ratio) { |
| 2109 | mov_write_tapt_tag(pb, track); |
| 2110 | } |
| 2111 | } |
| 2112 | if (is_clcp_track(track) && st->sample_aspect_ratio.num) { |
| 2113 | mov_write_tapt_tag(pb, track); |
| 2114 | } |
| 2115 | } |
| 2116 | mov_write_track_udta_tag(pb, mov, st); |
| 2117 | return update_size(pb, pos); |
| 2118 | } |
| 2119 | |
| 2120 | static int mov_write_iods_tag(AVIOContext *pb, MOVMuxContext *mov) |
| 2121 | { |
| 2122 | int i, has_audio = 0, has_video = 0; |
| 2123 | int64_t pos = avio_tell(pb); |
| 2124 | int audio_profile = mov->iods_audio_profile; |
| 2125 | int video_profile = mov->iods_video_profile; |
| 2126 | for (i = 0; i < mov->nb_streams; i++) { |
| 2127 | if (mov->tracks[i].entry > 0) { |
| 2128 | has_audio |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_AUDIO; |
| 2129 | has_video |= mov->tracks[i].enc->codec_type == AVMEDIA_TYPE_VIDEO; |
| 2130 | } |
| 2131 | } |
| 2132 | if (audio_profile < 0) |
| 2133 | audio_profile = 0xFF - has_audio; |
| 2134 | if (video_profile < 0) |
| 2135 | video_profile = 0xFF - has_video; |
| 2136 | avio_wb32(pb, 0x0); /* size */ |
| 2137 | ffio_wfourcc(pb, "iods"); |
| 2138 | avio_wb32(pb, 0); /* version & flags */ |
| 2139 | put_descr(pb, 0x10, 7); |
| 2140 | avio_wb16(pb, 0x004f); |
| 2141 | avio_w8(pb, 0xff); |
| 2142 | avio_w8(pb, 0xff); |
| 2143 | avio_w8(pb, audio_profile); |
| 2144 | avio_w8(pb, video_profile); |
| 2145 | avio_w8(pb, 0xff); |
| 2146 | return update_size(pb, pos); |
| 2147 | } |
| 2148 | |
| 2149 | static int mov_write_trex_tag(AVIOContext *pb, MOVTrack *track) |
| 2150 | { |
| 2151 | avio_wb32(pb, 0x20); /* size */ |
| 2152 | ffio_wfourcc(pb, "trex"); |
| 2153 | avio_wb32(pb, 0); /* version & flags */ |
| 2154 | avio_wb32(pb, track->track_id); /* track ID */ |
| 2155 | avio_wb32(pb, 1); /* default sample description index */ |
| 2156 | avio_wb32(pb, 0); /* default sample duration */ |
| 2157 | avio_wb32(pb, 0); /* default sample size */ |
| 2158 | avio_wb32(pb, 0); /* default sample flags */ |
| 2159 | return 0; |
| 2160 | } |
| 2161 | |
| 2162 | static int mov_write_mvex_tag(AVIOContext *pb, MOVMuxContext *mov) |
| 2163 | { |
| 2164 | int64_t pos = avio_tell(pb); |
| 2165 | int i; |
| 2166 | avio_wb32(pb, 0x0); /* size */ |
| 2167 | ffio_wfourcc(pb, "mvex"); |
| 2168 | for (i = 0; i < mov->nb_streams; i++) |
| 2169 | mov_write_trex_tag(pb, &mov->tracks[i]); |
| 2170 | return update_size(pb, pos); |
| 2171 | } |
| 2172 | |
| 2173 | static int mov_write_mvhd_tag(AVIOContext *pb, MOVMuxContext *mov) |
| 2174 | { |
| 2175 | int max_track_id = 1, i; |
| 2176 | int64_t max_track_len_temp, max_track_len = 0; |
| 2177 | int version; |
| 2178 | |
| 2179 | for (i = 0; i < mov->nb_streams; i++) { |
| 2180 | if (mov->tracks[i].entry > 0 && mov->tracks[i].timescale) { |
| 2181 | max_track_len_temp = av_rescale_rnd(mov->tracks[i].track_duration, |
| 2182 | MOV_TIMESCALE, |
| 2183 | mov->tracks[i].timescale, |
| 2184 | AV_ROUND_UP); |
| 2185 | if (max_track_len < max_track_len_temp) |
| 2186 | max_track_len = max_track_len_temp; |
| 2187 | if (max_track_id < mov->tracks[i].track_id) |
| 2188 | max_track_id = mov->tracks[i].track_id; |
| 2189 | } |
| 2190 | } |
| 2191 | |
| 2192 | version = max_track_len < UINT32_MAX ? 0 : 1; |
| 2193 | (version == 1) ? avio_wb32(pb, 120) : avio_wb32(pb, 108); /* size */ |
| 2194 | ffio_wfourcc(pb, "mvhd"); |
| 2195 | avio_w8(pb, version); |
| 2196 | avio_wb24(pb, 0); /* flags */ |
| 2197 | if (version == 1) { |
| 2198 | avio_wb64(pb, mov->time); |
| 2199 | avio_wb64(pb, mov->time); |
| 2200 | } else { |
| 2201 | avio_wb32(pb, mov->time); /* creation time */ |
| 2202 | avio_wb32(pb, mov->time); /* modification time */ |
| 2203 | } |
| 2204 | avio_wb32(pb, MOV_TIMESCALE); |
| 2205 | (version == 1) ? avio_wb64(pb, max_track_len) : avio_wb32(pb, max_track_len); /* duration of longest track */ |
| 2206 | |
| 2207 | avio_wb32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */ |
| 2208 | avio_wb16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */ |
| 2209 | avio_wb16(pb, 0); /* reserved */ |
| 2210 | avio_wb32(pb, 0); /* reserved */ |
| 2211 | avio_wb32(pb, 0); /* reserved */ |
| 2212 | |
| 2213 | /* Matrix structure */ |
| 2214 | write_matrix(pb, 1, 0, 0, 1, 0, 0); |
| 2215 | |
| 2216 | avio_wb32(pb, 0); /* reserved (preview time) */ |
| 2217 | avio_wb32(pb, 0); /* reserved (preview duration) */ |
| 2218 | avio_wb32(pb, 0); /* reserved (poster time) */ |
| 2219 | avio_wb32(pb, 0); /* reserved (selection time) */ |
| 2220 | avio_wb32(pb, 0); /* reserved (selection duration) */ |
| 2221 | avio_wb32(pb, 0); /* reserved (current time) */ |
| 2222 | avio_wb32(pb, max_track_id + 1); /* Next track id */ |
| 2223 | return 0x6c; |
| 2224 | } |
| 2225 | |
| 2226 | static int mov_write_itunes_hdlr_tag(AVIOContext *pb, MOVMuxContext *mov, |
| 2227 | AVFormatContext *s) |
| 2228 | { |
| 2229 | avio_wb32(pb, 33); /* size */ |
| 2230 | ffio_wfourcc(pb, "hdlr"); |
| 2231 | avio_wb32(pb, 0); |
| 2232 | avio_wb32(pb, 0); |
| 2233 | ffio_wfourcc(pb, "mdir"); |
| 2234 | ffio_wfourcc(pb, "appl"); |
| 2235 | avio_wb32(pb, 0); |
| 2236 | avio_wb32(pb, 0); |
| 2237 | avio_w8(pb, 0); |
| 2238 | return 33; |
| 2239 | } |
| 2240 | |
| 2241 | /* helper function to write a data tag with the specified string as data */ |
| 2242 | static int mov_write_string_data_tag(AVIOContext *pb, const char *data, int lang, int long_style) |
| 2243 | { |
| 2244 | if (long_style) { |
| 2245 | int size = 16 + strlen(data); |
| 2246 | avio_wb32(pb, size); /* size */ |
| 2247 | ffio_wfourcc(pb, "data"); |
| 2248 | avio_wb32(pb, 1); |
| 2249 | avio_wb32(pb, 0); |
| 2250 | avio_write(pb, data, strlen(data)); |
| 2251 | return size; |
| 2252 | } else { |
| 2253 | if (!lang) |
| 2254 | lang = ff_mov_iso639_to_lang("und", 1); |
| 2255 | avio_wb16(pb, strlen(data)); /* string length */ |
| 2256 | avio_wb16(pb, lang); |
| 2257 | avio_write(pb, data, strlen(data)); |
| 2258 | return strlen(data) + 4; |
| 2259 | } |
| 2260 | } |
| 2261 | |
| 2262 | static int mov_write_string_tag(AVIOContext *pb, const char *name, |
| 2263 | const char *value, int lang, int long_style) |
| 2264 | { |
| 2265 | int size = 0; |
| 2266 | if (value && value[0]) { |
| 2267 | int64_t pos = avio_tell(pb); |
| 2268 | avio_wb32(pb, 0); /* size */ |
| 2269 | ffio_wfourcc(pb, name); |
| 2270 | mov_write_string_data_tag(pb, value, lang, long_style); |
| 2271 | size = update_size(pb, pos); |
| 2272 | } |
| 2273 | return size; |
| 2274 | } |
| 2275 | |
| 2276 | static int mov_write_string_metadata(AVFormatContext *s, AVIOContext *pb, |
| 2277 | const char *name, const char *tag, |
| 2278 | int long_style) |
| 2279 | { |
| 2280 | int l, lang = 0, len, len2; |
| 2281 | AVDictionaryEntry *t, *t2 = NULL; |
| 2282 | char tag2[16]; |
| 2283 | |
| 2284 | if (!(t = av_dict_get(s->metadata, tag, NULL, 0))) |
| 2285 | return 0; |
| 2286 | |
| 2287 | len = strlen(t->key); |
| 2288 | snprintf(tag2, sizeof(tag2), "%s-", tag); |
| 2289 | while ((t2 = av_dict_get(s->metadata, tag2, t2, AV_DICT_IGNORE_SUFFIX))) { |
| 2290 | len2 = strlen(t2->key); |
| 2291 | if (len2 == len + 4 && !strcmp(t->value, t2->value) |
| 2292 | && (l = ff_mov_iso639_to_lang(&t2->key[len2 - 3], 1)) >= 0) { |
| 2293 | lang = l; |
| 2294 | break; |
| 2295 | } |
| 2296 | } |
| 2297 | return mov_write_string_tag(pb, name, t->value, lang, long_style); |
| 2298 | } |
| 2299 | |
| 2300 | /* iTunes bpm number */ |
| 2301 | static int mov_write_tmpo_tag(AVIOContext *pb, AVFormatContext *s) |
| 2302 | { |
| 2303 | AVDictionaryEntry *t = av_dict_get(s->metadata, "tmpo", NULL, 0); |
| 2304 | int size = 0, tmpo = t ? atoi(t->value) : 0; |
| 2305 | if (tmpo) { |
| 2306 | size = 26; |
| 2307 | avio_wb32(pb, size); |
| 2308 | ffio_wfourcc(pb, "tmpo"); |
| 2309 | avio_wb32(pb, size-8); /* size */ |
| 2310 | ffio_wfourcc(pb, "data"); |
| 2311 | avio_wb32(pb, 0x15); //type specifier |
| 2312 | avio_wb32(pb, 0); |
| 2313 | avio_wb16(pb, tmpo); // data |
| 2314 | } |
| 2315 | return size; |
| 2316 | } |
| 2317 | |
| 2318 | /* iTunes track or disc number */ |
| 2319 | static int mov_write_trkn_tag(AVIOContext *pb, MOVMuxContext *mov, |
| 2320 | AVFormatContext *s, int disc) |
| 2321 | { |
| 2322 | AVDictionaryEntry *t = av_dict_get(s->metadata, |
| 2323 | disc ? "disc" : "track", |
| 2324 | NULL, 0); |
| 2325 | int size = 0, track = t ? atoi(t->value) : 0; |
| 2326 | if (track) { |
| 2327 | int tracks = 0; |
| 2328 | char *slash = strchr(t->value, '/'); |
| 2329 | if (slash) |
| 2330 | tracks = atoi(slash + 1); |
| 2331 | avio_wb32(pb, 32); /* size */ |
| 2332 | ffio_wfourcc(pb, disc ? "disk" : "trkn"); |
| 2333 | avio_wb32(pb, 24); /* size */ |
| 2334 | ffio_wfourcc(pb, "data"); |
| 2335 | avio_wb32(pb, 0); // 8 bytes empty |
| 2336 | avio_wb32(pb, 0); |
| 2337 | avio_wb16(pb, 0); // empty |
| 2338 | avio_wb16(pb, track); // track / disc number |
| 2339 | avio_wb16(pb, tracks); // total track / disc number |
| 2340 | avio_wb16(pb, 0); // empty |
| 2341 | size = 32; |
| 2342 | } |
| 2343 | return size; |
| 2344 | } |
| 2345 | |
| 2346 | static int mov_write_int8_metadata(AVFormatContext *s, AVIOContext *pb, |
| 2347 | const char *name, const char *tag, |
| 2348 | int len) |
| 2349 | { |
| 2350 | AVDictionaryEntry *t = NULL; |
| 2351 | uint8_t num; |
| 2352 | int size = 24 + len; |
| 2353 | |
| 2354 | if (len != 1 && len != 4) |
| 2355 | return -1; |
| 2356 | |
| 2357 | if (!(t = av_dict_get(s->metadata, tag, NULL, 0))) |
| 2358 | return 0; |
| 2359 | num = atoi(t->value); |
| 2360 | |
| 2361 | avio_wb32(pb, size); |
| 2362 | ffio_wfourcc(pb, name); |
| 2363 | avio_wb32(pb, size - 8); |
| 2364 | ffio_wfourcc(pb, "data"); |
| 2365 | avio_wb32(pb, 0x15); |
| 2366 | avio_wb32(pb, 0); |
| 2367 | if (len==4) avio_wb32(pb, num); |
| 2368 | else avio_w8 (pb, num); |
| 2369 | |
| 2370 | return size; |
| 2371 | } |
| 2372 | |
| 2373 | /* iTunes meta data list */ |
| 2374 | static int mov_write_ilst_tag(AVIOContext *pb, MOVMuxContext *mov, |
| 2375 | AVFormatContext *s) |
| 2376 | { |
| 2377 | int64_t pos = avio_tell(pb); |
| 2378 | avio_wb32(pb, 0); /* size */ |
| 2379 | ffio_wfourcc(pb, "ilst"); |
| 2380 | mov_write_string_metadata(s, pb, "\251nam", "title" , 1); |
| 2381 | mov_write_string_metadata(s, pb, "\251ART", "artist" , 1); |
| 2382 | mov_write_string_metadata(s, pb, "aART", "album_artist", 1); |
| 2383 | mov_write_string_metadata(s, pb, "\251wrt", "composer" , 1); |
| 2384 | mov_write_string_metadata(s, pb, "\251alb", "album" , 1); |
| 2385 | mov_write_string_metadata(s, pb, "\251day", "date" , 1); |
| 2386 | if (!mov->exact && |
| 2387 | !mov_write_string_metadata(s, pb, "\251too", "encoding_tool", 1)) |
| 2388 | mov_write_string_tag(pb, "\251too", LIBAVFORMAT_IDENT, 0, 1); |
| 2389 | mov_write_string_metadata(s, pb, "\251cmt", "comment" , 1); |
| 2390 | mov_write_string_metadata(s, pb, "\251gen", "genre" , 1); |
| 2391 | mov_write_string_metadata(s, pb, "\251cpy", "copyright", 1); |
| 2392 | mov_write_string_metadata(s, pb, "\251grp", "grouping" , 1); |
| 2393 | mov_write_string_metadata(s, pb, "\251lyr", "lyrics" , 1); |
| 2394 | mov_write_string_metadata(s, pb, "desc", "description",1); |
| 2395 | mov_write_string_metadata(s, pb, "ldes", "synopsis" , 1); |
| 2396 | mov_write_string_metadata(s, pb, "tvsh", "show" , 1); |
| 2397 | mov_write_string_metadata(s, pb, "tven", "episode_id",1); |
| 2398 | mov_write_string_metadata(s, pb, "tvnn", "network" , 1); |
| 2399 | mov_write_int8_metadata (s, pb, "tves", "episode_sort",4); |
| 2400 | mov_write_int8_metadata (s, pb, "tvsn", "season_number",4); |
| 2401 | mov_write_int8_metadata (s, pb, "stik", "media_type",1); |
| 2402 | mov_write_int8_metadata (s, pb, "hdvd", "hd_video", 1); |
| 2403 | mov_write_int8_metadata (s, pb, "pgap", "gapless_playback",1); |
| 2404 | mov_write_int8_metadata (s, pb, "cpil", "compilation", 1); |
| 2405 | mov_write_trkn_tag(pb, mov, s, 0); // track number |
| 2406 | mov_write_trkn_tag(pb, mov, s, 1); // disc number |
| 2407 | mov_write_tmpo_tag(pb, s); |
| 2408 | return update_size(pb, pos); |
| 2409 | } |
| 2410 | |
| 2411 | /* iTunes meta data tag */ |
| 2412 | static int mov_write_meta_tag(AVIOContext *pb, MOVMuxContext *mov, |
| 2413 | AVFormatContext *s) |
| 2414 | { |
| 2415 | int size = 0; |
| 2416 | int64_t pos = avio_tell(pb); |
| 2417 | avio_wb32(pb, 0); /* size */ |
| 2418 | ffio_wfourcc(pb, "meta"); |
| 2419 | avio_wb32(pb, 0); |
| 2420 | mov_write_itunes_hdlr_tag(pb, mov, s); |
| 2421 | mov_write_ilst_tag(pb, mov, s); |
| 2422 | size = update_size(pb, pos); |
| 2423 | return size; |
| 2424 | } |
| 2425 | |
| 2426 | static int mov_write_raw_metadata_tag(AVFormatContext *s, AVIOContext *pb, |
| 2427 | const char *name, const char *key) |
| 2428 | { |
| 2429 | int len; |
| 2430 | AVDictionaryEntry *t; |
| 2431 | |
| 2432 | if (!(t = av_dict_get(s->metadata, key, NULL, 0))) |
| 2433 | return 0; |
| 2434 | |
| 2435 | len = strlen(t->value); |
| 2436 | if (len > 0) { |
| 2437 | int size = len + 8; |
| 2438 | avio_wb32(pb, size); |
| 2439 | ffio_wfourcc(pb, name); |
| 2440 | avio_write(pb, t->value, len); |
| 2441 | return size; |
| 2442 | } |
| 2443 | return 0; |
| 2444 | } |
| 2445 | |
| 2446 | static int ascii_to_wc(AVIOContext *pb, const uint8_t *b) |
| 2447 | { |
| 2448 | int val; |
| 2449 | while (*b) { |
| 2450 | GET_UTF8(val, *b++, return -1;) |
| 2451 | avio_wb16(pb, val); |
| 2452 | } |
| 2453 | avio_wb16(pb, 0x00); |
| 2454 | return 0; |
| 2455 | } |
| 2456 | |
| 2457 | static uint16_t language_code(const char *str) |
| 2458 | { |
| 2459 | return (((str[0] - 0x60) & 0x1F) << 10) + |
| 2460 | (((str[1] - 0x60) & 0x1F) << 5) + |
| 2461 | (( str[2] - 0x60) & 0x1F); |
| 2462 | } |
| 2463 | |
| 2464 | static int mov_write_3gp_udta_tag(AVIOContext *pb, AVFormatContext *s, |
| 2465 | const char *tag, const char *str) |
| 2466 | { |
| 2467 | int64_t pos = avio_tell(pb); |
| 2468 | AVDictionaryEntry *t = av_dict_get(s->metadata, str, NULL, 0); |
| 2469 | if (!t || !utf8len(t->value)) |
| 2470 | return 0; |
| 2471 | avio_wb32(pb, 0); /* size */ |
| 2472 | ffio_wfourcc(pb, tag); /* type */ |
| 2473 | avio_wb32(pb, 0); /* version + flags */ |
| 2474 | if (!strcmp(tag, "yrrc")) |
| 2475 | avio_wb16(pb, atoi(t->value)); |
| 2476 | else { |
| 2477 | avio_wb16(pb, language_code("eng")); /* language */ |
| 2478 | avio_write(pb, t->value, strlen(t->value) + 1); /* UTF8 string value */ |
| 2479 | if (!strcmp(tag, "albm") && |
| 2480 | (t = av_dict_get(s->metadata, "track", NULL, 0))) |
| 2481 | avio_w8(pb, atoi(t->value)); |
| 2482 | } |
| 2483 | return update_size(pb, pos); |
| 2484 | } |
| 2485 | |
| 2486 | static int mov_write_chpl_tag(AVIOContext *pb, AVFormatContext *s) |
| 2487 | { |
| 2488 | int64_t pos = avio_tell(pb); |
| 2489 | int i, nb_chapters = FFMIN(s->nb_chapters, 255); |
| 2490 | |
| 2491 | avio_wb32(pb, 0); // size |
| 2492 | ffio_wfourcc(pb, "chpl"); |
| 2493 | avio_wb32(pb, 0x01000000); // version + flags |
| 2494 | avio_wb32(pb, 0); // unknown |
| 2495 | avio_w8(pb, nb_chapters); |
| 2496 | |
| 2497 | for (i = 0; i < nb_chapters; i++) { |
| 2498 | AVChapter *c = s->chapters[i]; |
| 2499 | AVDictionaryEntry *t; |
| 2500 | avio_wb64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000})); |
| 2501 | |
| 2502 | if ((t = av_dict_get(c->metadata, "title", NULL, 0))) { |
| 2503 | int len = FFMIN(strlen(t->value), 255); |
| 2504 | avio_w8(pb, len); |
| 2505 | avio_write(pb, t->value, len); |
| 2506 | } else |
| 2507 | avio_w8(pb, 0); |
| 2508 | } |
| 2509 | return update_size(pb, pos); |
| 2510 | } |
| 2511 | |
| 2512 | static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov, |
| 2513 | AVFormatContext *s) |
| 2514 | { |
| 2515 | AVIOContext *pb_buf; |
| 2516 | int ret, size; |
| 2517 | uint8_t *buf; |
| 2518 | |
| 2519 | ret = avio_open_dyn_buf(&pb_buf); |
| 2520 | if (ret < 0) |
| 2521 | return ret; |
| 2522 | |
| 2523 | if (mov->mode & MODE_3GP) { |
| 2524 | mov_write_3gp_udta_tag(pb_buf, s, "perf", "artist"); |
| 2525 | mov_write_3gp_udta_tag(pb_buf, s, "titl", "title"); |
| 2526 | mov_write_3gp_udta_tag(pb_buf, s, "auth", "author"); |
| 2527 | mov_write_3gp_udta_tag(pb_buf, s, "gnre", "genre"); |
| 2528 | mov_write_3gp_udta_tag(pb_buf, s, "dscp", "comment"); |
| 2529 | mov_write_3gp_udta_tag(pb_buf, s, "albm", "album"); |
| 2530 | mov_write_3gp_udta_tag(pb_buf, s, "cprt", "copyright"); |
| 2531 | mov_write_3gp_udta_tag(pb_buf, s, "yrrc", "date"); |
| 2532 | } else if (mov->mode == MODE_MOV) { // the title field breaks gtkpod with mp4 and my suspicion is that stuff is not valid in mp4 |
| 2533 | mov_write_string_metadata(s, pb_buf, "\251ART", "artist", 0); |
| 2534 | mov_write_string_metadata(s, pb_buf, "\251nam", "title", 0); |
| 2535 | mov_write_string_metadata(s, pb_buf, "\251aut", "author", 0); |
| 2536 | mov_write_string_metadata(s, pb_buf, "\251alb", "album", 0); |
| 2537 | mov_write_string_metadata(s, pb_buf, "\251day", "date", 0); |
| 2538 | mov_write_string_metadata(s, pb_buf, "\251swr", "encoder", 0); |
| 2539 | // currently ignored by mov.c |
| 2540 | mov_write_string_metadata(s, pb_buf, "\251des", "comment", 0); |
| 2541 | // add support for libquicktime, this atom is also actually read by mov.c |
| 2542 | mov_write_string_metadata(s, pb_buf, "\251cmt", "comment", 0); |
| 2543 | mov_write_string_metadata(s, pb_buf, "\251gen", "genre", 0); |
| 2544 | mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright", 0); |
| 2545 | mov_write_raw_metadata_tag(s, pb_buf, "XMP_", "xmp"); |
| 2546 | } else { |
| 2547 | /* iTunes meta data */ |
| 2548 | mov_write_meta_tag(pb_buf, mov, s); |
| 2549 | } |
| 2550 | |
| 2551 | if (s->nb_chapters && !(mov->flags & FF_MOV_FLAG_DISABLE_CHPL)) |
| 2552 | mov_write_chpl_tag(pb_buf, s); |
| 2553 | |
| 2554 | if ((size = avio_close_dyn_buf(pb_buf, &buf)) > 0) { |
| 2555 | avio_wb32(pb, size + 8); |
| 2556 | ffio_wfourcc(pb, "udta"); |
| 2557 | avio_write(pb, buf, size); |
| 2558 | } |
| 2559 | av_free(buf); |
| 2560 | |
| 2561 | return 0; |
| 2562 | } |
| 2563 | |
| 2564 | static void mov_write_psp_udta_tag(AVIOContext *pb, |
| 2565 | const char *str, const char *lang, int type) |
| 2566 | { |
| 2567 | int len = utf8len(str) + 1; |
| 2568 | if (len <= 0) |
| 2569 | return; |
| 2570 | avio_wb16(pb, len * 2 + 10); /* size */ |
| 2571 | avio_wb32(pb, type); /* type */ |
| 2572 | avio_wb16(pb, language_code(lang)); /* language */ |
| 2573 | avio_wb16(pb, 0x01); /* ? */ |
| 2574 | ascii_to_wc(pb, str); |
| 2575 | } |
| 2576 | |
| 2577 | static int mov_write_uuidusmt_tag(AVIOContext *pb, AVFormatContext *s) |
| 2578 | { |
| 2579 | MOVMuxContext *mov = s->priv_data; |
| 2580 | AVDictionaryEntry *title = av_dict_get(s->metadata, "title", NULL, 0); |
| 2581 | int64_t pos, pos2; |
| 2582 | |
| 2583 | if (title) { |
| 2584 | pos = avio_tell(pb); |
| 2585 | avio_wb32(pb, 0); /* size placeholder*/ |
| 2586 | ffio_wfourcc(pb, "uuid"); |
| 2587 | ffio_wfourcc(pb, "USMT"); |
| 2588 | avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */ |
| 2589 | avio_wb32(pb, 0xbb88695c); |
| 2590 | avio_wb32(pb, 0xfac9c740); |
| 2591 | |
| 2592 | pos2 = avio_tell(pb); |
| 2593 | avio_wb32(pb, 0); /* size placeholder*/ |
| 2594 | ffio_wfourcc(pb, "MTDT"); |
| 2595 | avio_wb16(pb, 4); |
| 2596 | |
| 2597 | // ? |
| 2598 | avio_wb16(pb, 0x0C); /* size */ |
| 2599 | avio_wb32(pb, 0x0B); /* type */ |
| 2600 | avio_wb16(pb, language_code("und")); /* language */ |
| 2601 | avio_wb16(pb, 0x0); /* ? */ |
| 2602 | avio_wb16(pb, 0x021C); /* data */ |
| 2603 | |
| 2604 | if (!mov->exact) |
| 2605 | mov_write_psp_udta_tag(pb, LIBAVCODEC_IDENT, "eng", 0x04); |
| 2606 | mov_write_psp_udta_tag(pb, title->value, "eng", 0x01); |
| 2607 | mov_write_psp_udta_tag(pb, "2006/04/01 11:11:11", "und", 0x03); |
| 2608 | |
| 2609 | update_size(pb, pos2); |
| 2610 | return update_size(pb, pos); |
| 2611 | } |
| 2612 | |
| 2613 | return 0; |
| 2614 | } |
| 2615 | |
| 2616 | static void build_chunks(MOVTrack *trk) |
| 2617 | { |
| 2618 | int i; |
| 2619 | MOVIentry *chunk = &trk->cluster[0]; |
| 2620 | uint64_t chunkSize = chunk->size; |
| 2621 | chunk->chunkNum = 1; |
| 2622 | if (trk->chunkCount) |
| 2623 | return; |
| 2624 | trk->chunkCount = 1; |
| 2625 | for (i = 1; i<trk->entry; i++){ |
| 2626 | if (chunk->pos + chunkSize == trk->cluster[i].pos && |
| 2627 | chunkSize + trk->cluster[i].size < (1<<20)){ |
| 2628 | chunkSize += trk->cluster[i].size; |
| 2629 | chunk->samples_in_chunk += trk->cluster[i].entries; |
| 2630 | } else { |
| 2631 | trk->cluster[i].chunkNum = chunk->chunkNum+1; |
| 2632 | chunk=&trk->cluster[i]; |
| 2633 | chunkSize = chunk->size; |
| 2634 | trk->chunkCount++; |
| 2635 | } |
| 2636 | } |
| 2637 | } |
| 2638 | |
| 2639 | static int mov_write_moov_tag(AVIOContext *pb, MOVMuxContext *mov, |
| 2640 | AVFormatContext *s) |
| 2641 | { |
| 2642 | int i; |
| 2643 | int64_t pos = avio_tell(pb); |
| 2644 | avio_wb32(pb, 0); /* size placeholder*/ |
| 2645 | ffio_wfourcc(pb, "moov"); |
| 2646 | |
| 2647 | for (i = 0; i < mov->nb_streams; i++) { |
| 2648 | if (mov->tracks[i].entry <= 0 && !(mov->flags & FF_MOV_FLAG_FRAGMENT)) |
| 2649 | continue; |
| 2650 | |
| 2651 | mov->tracks[i].time = mov->time; |
| 2652 | mov->tracks[i].track_id = i + 1; |
| 2653 | |
| 2654 | if (mov->tracks[i].entry) |
| 2655 | build_chunks(&mov->tracks[i]); |
| 2656 | } |
| 2657 | |
| 2658 | if (mov->chapter_track) |
| 2659 | for (i = 0; i < s->nb_streams; i++) { |
| 2660 | mov->tracks[i].tref_tag = MKTAG('c','h','a','p'); |
| 2661 | mov->tracks[i].tref_id = mov->tracks[mov->chapter_track].track_id; |
| 2662 | } |
| 2663 | for (i = 0; i < mov->nb_streams; i++) { |
| 2664 | if (mov->tracks[i].tag == MKTAG('r','t','p',' ')) { |
| 2665 | mov->tracks[i].tref_tag = MKTAG('h','i','n','t'); |
| 2666 | mov->tracks[i].tref_id = |
| 2667 | mov->tracks[mov->tracks[i].src_track].track_id; |
| 2668 | } |
| 2669 | } |
| 2670 | for (i = 0; i < mov->nb_streams; i++) { |
| 2671 | if (mov->tracks[i].tag == MKTAG('t','m','c','d')) { |
| 2672 | int src_trk = mov->tracks[i].src_track; |
| 2673 | mov->tracks[src_trk].tref_tag = mov->tracks[i].tag; |
| 2674 | mov->tracks[src_trk].tref_id = mov->tracks[i].track_id; |
| 2675 | //src_trk may have a different timescale than the tmcd track |
| 2676 | mov->tracks[i].track_duration = av_rescale(mov->tracks[src_trk].track_duration, |
| 2677 | mov->tracks[i].timescale, |
| 2678 | mov->tracks[src_trk].timescale); |
| 2679 | } |
| 2680 | } |
| 2681 | |
| 2682 | mov_write_mvhd_tag(pb, mov); |
| 2683 | if (mov->mode != MODE_MOV && !mov->iods_skip) |
| 2684 | mov_write_iods_tag(pb, mov); |
| 2685 | for (i = 0; i < mov->nb_streams; i++) { |
| 2686 | if (mov->tracks[i].entry > 0 || mov->flags & FF_MOV_FLAG_FRAGMENT) { |
| 2687 | mov_write_trak_tag(pb, mov, &(mov->tracks[i]), i < s->nb_streams ? s->streams[i] : NULL); |
| 2688 | } |
| 2689 | } |
| 2690 | if (mov->flags & FF_MOV_FLAG_FRAGMENT) |
| 2691 | mov_write_mvex_tag(pb, mov); /* QuickTime requires trak to precede this */ |
| 2692 | |
| 2693 | if (mov->mode == MODE_PSP) |
| 2694 | mov_write_uuidusmt_tag(pb, s); |
| 2695 | else |
| 2696 | mov_write_udta_tag(pb, mov, s); |
| 2697 | |
| 2698 | return update_size(pb, pos); |
| 2699 | } |
| 2700 | |
| 2701 | static void param_write_int(AVIOContext *pb, const char *name, int value) |
| 2702 | { |
| 2703 | avio_printf(pb, "<param name=\"%s\" value=\"%d\" valuetype=\"data\"/>\n", name, value); |
| 2704 | } |
| 2705 | |
| 2706 | static void param_write_string(AVIOContext *pb, const char *name, const char *value) |
| 2707 | { |
| 2708 | avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, value); |
| 2709 | } |
| 2710 | |
| 2711 | static void param_write_hex(AVIOContext *pb, const char *name, const uint8_t *value, int len) |
| 2712 | { |
| 2713 | char buf[150]; |
| 2714 | len = FFMIN(sizeof(buf) / 2 - 1, len); |
| 2715 | ff_data_to_hex(buf, value, len, 0); |
| 2716 | buf[2 * len] = '\0'; |
| 2717 | avio_printf(pb, "<param name=\"%s\" value=\"%s\" valuetype=\"data\"/>\n", name, buf); |
| 2718 | } |
| 2719 | |
| 2720 | static int mov_write_isml_manifest(AVIOContext *pb, MOVMuxContext *mov) |
| 2721 | { |
| 2722 | int64_t pos = avio_tell(pb); |
| 2723 | int i; |
| 2724 | static const uint8_t uuid[] = { |
| 2725 | 0xa5, 0xd4, 0x0b, 0x30, 0xe8, 0x14, 0x11, 0xdd, |
| 2726 | 0xba, 0x2f, 0x08, 0x00, 0x20, 0x0c, 0x9a, 0x66 |
| 2727 | }; |
| 2728 | |
| 2729 | avio_wb32(pb, 0); |
| 2730 | ffio_wfourcc(pb, "uuid"); |
| 2731 | avio_write(pb, uuid, sizeof(uuid)); |
| 2732 | avio_wb32(pb, 0); |
| 2733 | |
| 2734 | avio_printf(pb, "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n"); |
| 2735 | avio_printf(pb, "<smil xmlns=\"http://www.w3.org/2001/SMIL20/Language\">\n"); |
| 2736 | avio_printf(pb, "<head>\n"); |
| 2737 | if (!mov->exact) |
| 2738 | avio_printf(pb, "<meta name=\"creator\" content=\"%s\" />\n", |
| 2739 | LIBAVFORMAT_IDENT); |
| 2740 | avio_printf(pb, "</head>\n"); |
| 2741 | avio_printf(pb, "<body>\n"); |
| 2742 | avio_printf(pb, "<switch>\n"); |
| 2743 | for (i = 0; i < mov->nb_streams; i++) { |
| 2744 | MOVTrack *track = &mov->tracks[i]; |
| 2745 | const char *type; |
| 2746 | /* track->track_id is initialized in write_moov, and thus isn't known |
| 2747 | * here yet */ |
| 2748 | int track_id = i + 1; |
| 2749 | |
| 2750 | if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) { |
| 2751 | type = "video"; |
| 2752 | } else if (track->enc->codec_type == AVMEDIA_TYPE_AUDIO) { |
| 2753 | type = "audio"; |
| 2754 | } else { |
| 2755 | continue; |
| 2756 | } |
| 2757 | avio_printf(pb, "<%s systemBitrate=\"%d\">\n", type, |
| 2758 | track->enc->bit_rate); |
| 2759 | param_write_int(pb, "systemBitrate", track->enc->bit_rate); |
| 2760 | param_write_int(pb, "trackID", track_id); |
| 2761 | if (track->enc->codec_type == AVMEDIA_TYPE_VIDEO) { |
| 2762 | if (track->enc->codec_id == AV_CODEC_ID_H264) { |
| 2763 | uint8_t *ptr; |
| 2764 | int size = track->enc->extradata_size; |
| 2765 | if (!ff_avc_write_annexb_extradata(track->enc->extradata, &ptr, |
| 2766 | &size)) { |
| 2767 | param_write_hex(pb, "CodecPrivateData", |
| 2768 | ptr ? ptr : track->enc->extradata, |
| 2769 | size); |
| 2770 | av_free(ptr); |
| 2771 | } |
| 2772 | param_write_string(pb, "FourCC", "H264"); |
| 2773 | } else if (track->enc->codec_id == AV_CODEC_ID_VC1) { |
| 2774 | param_write_string(pb, "FourCC", "WVC1"); |
| 2775 | param_write_hex(pb, "CodecPrivateData", track->enc->extradata, |
| 2776 | track->enc->extradata_size); |
| 2777 | } |
| 2778 | param_write_int(pb, "MaxWidth", track->enc->width); |
| 2779 | param_write_int(pb, "MaxHeight", track->enc->height); |
| 2780 | param_write_int(pb, "DisplayWidth", track->enc->width); |
| 2781 | param_write_int(pb, "DisplayHeight", track->enc->height); |
| 2782 | } else { |
| 2783 | if (track->enc->codec_id == AV_CODEC_ID_AAC) { |
| 2784 | param_write_string(pb, "FourCC", "AACL"); |
| 2785 | } else if (track->enc->codec_id == AV_CODEC_ID_WMAPRO) { |
| 2786 | param_write_string(pb, "FourCC", "WMAP"); |
| 2787 | } |
| 2788 | param_write_hex(pb, "CodecPrivateData", track->enc->extradata, |
| 2789 | track->enc->extradata_size); |
| 2790 | param_write_int(pb, "AudioTag", ff_codec_get_tag(ff_codec_wav_tags, |
| 2791 | track->enc->codec_id)); |
| 2792 | param_write_int(pb, "Channels", track->enc->channels); |
| 2793 | param_write_int(pb, "SamplingRate", track->enc->sample_rate); |
| 2794 | param_write_int(pb, "BitsPerSample", 16); |
| 2795 | param_write_int(pb, "PacketSize", track->enc->block_align ? |
| 2796 | track->enc->block_align : 4); |
| 2797 | } |
| 2798 | avio_printf(pb, "</%s>\n", type); |
| 2799 | } |
| 2800 | avio_printf(pb, "</switch>\n"); |
| 2801 | avio_printf(pb, "</body>\n"); |
| 2802 | avio_printf(pb, "</smil>\n"); |
| 2803 | |
| 2804 | return update_size(pb, pos); |
| 2805 | } |
| 2806 | |
| 2807 | static int mov_write_mfhd_tag(AVIOContext *pb, MOVMuxContext *mov) |
| 2808 | { |
| 2809 | avio_wb32(pb, 16); |
| 2810 | ffio_wfourcc(pb, "mfhd"); |
| 2811 | avio_wb32(pb, 0); |
| 2812 | avio_wb32(pb, mov->fragments); |
| 2813 | return 0; |
| 2814 | } |
| 2815 | |
| 2816 | static int mov_write_tfhd_tag(AVIOContext *pb, MOVMuxContext *mov, |
| 2817 | MOVTrack *track, int64_t moof_offset) |
| 2818 | { |
| 2819 | int64_t pos = avio_tell(pb); |
| 2820 | uint32_t flags = MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION | |
| 2821 | MOV_TFHD_BASE_DATA_OFFSET; |
| 2822 | if (!track->entry) { |
| 2823 | flags |= MOV_TFHD_DURATION_IS_EMPTY; |
| 2824 | } else { |
| 2825 | flags |= MOV_TFHD_DEFAULT_FLAGS; |
| 2826 | } |
| 2827 | if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET) |
| 2828 | flags &= ~MOV_TFHD_BASE_DATA_OFFSET; |
| 2829 | |
| 2830 | /* Don't set a default sample size, the silverlight player refuses |
| 2831 | * to play files with that set. Don't set a default sample duration, |
| 2832 | * WMP freaks out if it is set. Don't set a base data offset, PIFF |
| 2833 | * file format says it MUST NOT be set. */ |
| 2834 | if (track->mode == MODE_ISM) |
| 2835 | flags &= ~(MOV_TFHD_DEFAULT_SIZE | MOV_TFHD_DEFAULT_DURATION | |
| 2836 | MOV_TFHD_BASE_DATA_OFFSET); |
| 2837 | |
| 2838 | avio_wb32(pb, 0); /* size placeholder */ |
| 2839 | ffio_wfourcc(pb, "tfhd"); |
| 2840 | avio_w8(pb, 0); /* version */ |
| 2841 | avio_wb24(pb, flags); |
| 2842 | |
| 2843 | avio_wb32(pb, track->track_id); /* track-id */ |
| 2844 | if (flags & MOV_TFHD_BASE_DATA_OFFSET) |
| 2845 | avio_wb64(pb, moof_offset); |
| 2846 | if (flags & MOV_TFHD_DEFAULT_DURATION) { |
| 2847 | track->default_duration = get_cluster_duration(track, 0); |
| 2848 | avio_wb32(pb, track->default_duration); |
| 2849 | } |
| 2850 | if (flags & MOV_TFHD_DEFAULT_SIZE) { |
| 2851 | track->default_size = track->entry ? track->cluster[0].size : 1; |
| 2852 | avio_wb32(pb, track->default_size); |
| 2853 | } else |
| 2854 | track->default_size = -1; |
| 2855 | |
| 2856 | if (flags & MOV_TFHD_DEFAULT_FLAGS) { |
| 2857 | track->default_sample_flags = |
| 2858 | track->enc->codec_type == AVMEDIA_TYPE_VIDEO ? |
| 2859 | (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC) : |
| 2860 | MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO; |
| 2861 | avio_wb32(pb, track->default_sample_flags); |
| 2862 | } |
| 2863 | |
| 2864 | return update_size(pb, pos); |
| 2865 | } |
| 2866 | |
| 2867 | static uint32_t get_sample_flags(MOVTrack *track, MOVIentry *entry) |
| 2868 | { |
| 2869 | return entry->flags & MOV_SYNC_SAMPLE ? MOV_FRAG_SAMPLE_FLAG_DEPENDS_NO : |
| 2870 | (MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES | MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC); |
| 2871 | } |
| 2872 | |
| 2873 | static int mov_write_trun_tag(AVIOContext *pb, MOVMuxContext *mov, |
| 2874 | MOVTrack *track, int moof_size) |
| 2875 | { |
| 2876 | int64_t pos = avio_tell(pb); |
| 2877 | uint32_t flags = MOV_TRUN_DATA_OFFSET; |
| 2878 | int i; |
| 2879 | |
| 2880 | for (i = 0; i < track->entry; i++) { |
| 2881 | if (get_cluster_duration(track, i) != track->default_duration) |
| 2882 | flags |= MOV_TRUN_SAMPLE_DURATION; |
| 2883 | if (track->cluster[i].size != track->default_size) |
| 2884 | flags |= MOV_TRUN_SAMPLE_SIZE; |
| 2885 | if (i > 0 && get_sample_flags(track, &track->cluster[i]) != track->default_sample_flags) |
| 2886 | flags |= MOV_TRUN_SAMPLE_FLAGS; |
| 2887 | } |
| 2888 | if (!(flags & MOV_TRUN_SAMPLE_FLAGS)) |
| 2889 | flags |= MOV_TRUN_FIRST_SAMPLE_FLAGS; |
| 2890 | if (track->flags & MOV_TRACK_CTTS) |
| 2891 | flags |= MOV_TRUN_SAMPLE_CTS; |
| 2892 | |
| 2893 | avio_wb32(pb, 0); /* size placeholder */ |
| 2894 | ffio_wfourcc(pb, "trun"); |
| 2895 | avio_w8(pb, 0); /* version */ |
| 2896 | avio_wb24(pb, flags); |
| 2897 | |
| 2898 | avio_wb32(pb, track->entry); /* sample count */ |
| 2899 | if (mov->flags & FF_MOV_FLAG_OMIT_TFHD_OFFSET && |
| 2900 | !(mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) && |
| 2901 | track->track_id != 1) |
| 2902 | avio_wb32(pb, 0); /* Later tracks follow immediately after the previous one */ |
| 2903 | else |
| 2904 | avio_wb32(pb, moof_size + 8 + track->data_offset + |
| 2905 | track->cluster[0].pos); /* data offset */ |
| 2906 | if (flags & MOV_TRUN_FIRST_SAMPLE_FLAGS) |
| 2907 | avio_wb32(pb, get_sample_flags(track, &track->cluster[0])); |
| 2908 | |
| 2909 | for (i = 0; i < track->entry; i++) { |
| 2910 | if (flags & MOV_TRUN_SAMPLE_DURATION) |
| 2911 | avio_wb32(pb, get_cluster_duration(track, i)); |
| 2912 | if (flags & MOV_TRUN_SAMPLE_SIZE) |
| 2913 | avio_wb32(pb, track->cluster[i].size); |
| 2914 | if (flags & MOV_TRUN_SAMPLE_FLAGS) |
| 2915 | avio_wb32(pb, get_sample_flags(track, &track->cluster[i])); |
| 2916 | if (flags & MOV_TRUN_SAMPLE_CTS) |
| 2917 | avio_wb32(pb, track->cluster[i].cts); |
| 2918 | } |
| 2919 | |
| 2920 | return update_size(pb, pos); |
| 2921 | } |
| 2922 | |
| 2923 | static int mov_write_tfxd_tag(AVIOContext *pb, MOVTrack *track) |
| 2924 | { |
| 2925 | int64_t pos = avio_tell(pb); |
| 2926 | static const uint8_t uuid[] = { |
| 2927 | 0x6d, 0x1d, 0x9b, 0x05, 0x42, 0xd5, 0x44, 0xe6, |
| 2928 | 0x80, 0xe2, 0x14, 0x1d, 0xaf, 0xf7, 0x57, 0xb2 |
| 2929 | }; |
| 2930 | |
| 2931 | avio_wb32(pb, 0); /* size placeholder */ |
| 2932 | ffio_wfourcc(pb, "uuid"); |
| 2933 | avio_write(pb, uuid, sizeof(uuid)); |
| 2934 | avio_w8(pb, 1); |
| 2935 | avio_wb24(pb, 0); |
| 2936 | avio_wb64(pb, track->frag_start); |
| 2937 | avio_wb64(pb, track->start_dts + track->track_duration - |
| 2938 | track->cluster[0].dts); |
| 2939 | |
| 2940 | return update_size(pb, pos); |
| 2941 | } |
| 2942 | |
| 2943 | static int mov_write_tfrf_tag(AVIOContext *pb, MOVMuxContext *mov, |
| 2944 | MOVTrack *track, int entry) |
| 2945 | { |
| 2946 | int n = track->nb_frag_info - 1 - entry, i; |
| 2947 | int size = 8 + 16 + 4 + 1 + 16*n; |
| 2948 | static const uint8_t uuid[] = { |
| 2949 | 0xd4, 0x80, 0x7e, 0xf2, 0xca, 0x39, 0x46, 0x95, |
| 2950 | 0x8e, 0x54, 0x26, 0xcb, 0x9e, 0x46, 0xa7, 0x9f |
| 2951 | }; |
| 2952 | |
| 2953 | if (entry < 0) |
| 2954 | return 0; |
| 2955 | |
| 2956 | avio_seek(pb, track->frag_info[entry].tfrf_offset, SEEK_SET); |
| 2957 | avio_wb32(pb, size); |
| 2958 | ffio_wfourcc(pb, "uuid"); |
| 2959 | avio_write(pb, uuid, sizeof(uuid)); |
| 2960 | avio_w8(pb, 1); |
| 2961 | avio_wb24(pb, 0); |
| 2962 | avio_w8(pb, n); |
| 2963 | for (i = 0; i < n; i++) { |
| 2964 | int index = entry + 1 + i; |
| 2965 | avio_wb64(pb, track->frag_info[index].time); |
| 2966 | avio_wb64(pb, track->frag_info[index].duration); |
| 2967 | } |
| 2968 | if (n < mov->ism_lookahead) { |
| 2969 | int free_size = 16 * (mov->ism_lookahead - n); |
| 2970 | avio_wb32(pb, free_size); |
| 2971 | ffio_wfourcc(pb, "free"); |
| 2972 | ffio_fill(pb, 0, free_size - 8); |
| 2973 | } |
| 2974 | |
| 2975 | return 0; |
| 2976 | } |
| 2977 | |
| 2978 | static int mov_write_tfrf_tags(AVIOContext *pb, MOVMuxContext *mov, |
| 2979 | MOVTrack *track) |
| 2980 | { |
| 2981 | int64_t pos = avio_tell(pb); |
| 2982 | int i; |
| 2983 | for (i = 0; i < mov->ism_lookahead; i++) { |
| 2984 | /* Update the tfrf tag for the last ism_lookahead fragments, |
| 2985 | * nb_frag_info - 1 is the next fragment to be written. */ |
| 2986 | mov_write_tfrf_tag(pb, mov, track, track->nb_frag_info - 2 - i); |
| 2987 | } |
| 2988 | avio_seek(pb, pos, SEEK_SET); |
| 2989 | return 0; |
| 2990 | } |
| 2991 | |
| 2992 | static int mov_write_traf_tag(AVIOContext *pb, MOVMuxContext *mov, |
| 2993 | MOVTrack *track, int64_t moof_offset, |
| 2994 | int moof_size) |
| 2995 | { |
| 2996 | int64_t pos = avio_tell(pb); |
| 2997 | avio_wb32(pb, 0); /* size placeholder */ |
| 2998 | ffio_wfourcc(pb, "traf"); |
| 2999 | |
| 3000 | mov_write_tfhd_tag(pb, mov, track, moof_offset); |
| 3001 | mov_write_trun_tag(pb, mov, track, moof_size); |
| 3002 | if (mov->mode == MODE_ISM) { |
| 3003 | mov_write_tfxd_tag(pb, track); |
| 3004 | |
| 3005 | if (mov->ism_lookahead) { |
| 3006 | int i, size = 16 + 4 + 1 + 16 * mov->ism_lookahead; |
| 3007 | |
| 3008 | track->tfrf_offset = avio_tell(pb); |
| 3009 | avio_wb32(pb, 8 + size); |
| 3010 | ffio_wfourcc(pb, "free"); |
| 3011 | for (i = 0; i < size; i++) |
| 3012 | avio_w8(pb, 0); |
| 3013 | } |
| 3014 | } |
| 3015 | |
| 3016 | return update_size(pb, pos); |
| 3017 | } |
| 3018 | |
| 3019 | static int mov_write_moof_tag_internal(AVIOContext *pb, MOVMuxContext *mov, |
| 3020 | int tracks, int moof_size) |
| 3021 | { |
| 3022 | int64_t pos = avio_tell(pb); |
| 3023 | int i; |
| 3024 | |
| 3025 | avio_wb32(pb, 0); /* size placeholder */ |
| 3026 | ffio_wfourcc(pb, "moof"); |
| 3027 | |
| 3028 | mov_write_mfhd_tag(pb, mov); |
| 3029 | for (i = 0; i < mov->nb_streams; i++) { |
| 3030 | MOVTrack *track = &mov->tracks[i]; |
| 3031 | if (tracks >= 0 && i != tracks) |
| 3032 | continue; |
| 3033 | if (!track->entry) |
| 3034 | continue; |
| 3035 | mov_write_traf_tag(pb, mov, track, pos, moof_size); |
| 3036 | } |
| 3037 | |
| 3038 | return update_size(pb, pos); |
| 3039 | } |
| 3040 | |
| 3041 | static int mov_write_moof_tag(AVIOContext *pb, MOVMuxContext *mov, int tracks) |
| 3042 | { |
| 3043 | AVIOContext *avio_buf; |
| 3044 | int ret, moof_size; |
| 3045 | |
| 3046 | if ((ret = ffio_open_null_buf(&avio_buf)) < 0) |
| 3047 | return ret; |
| 3048 | mov_write_moof_tag_internal(avio_buf, mov, tracks, 0); |
| 3049 | moof_size = ffio_close_null_buf(avio_buf); |
| 3050 | return mov_write_moof_tag_internal(pb, mov, tracks, moof_size); |
| 3051 | } |
| 3052 | |
| 3053 | static int mov_write_tfra_tag(AVIOContext *pb, MOVTrack *track) |
| 3054 | { |
| 3055 | int64_t pos = avio_tell(pb); |
| 3056 | int i; |
| 3057 | |
| 3058 | avio_wb32(pb, 0); /* size placeholder */ |
| 3059 | ffio_wfourcc(pb, "tfra"); |
| 3060 | avio_w8(pb, 1); /* version */ |
| 3061 | avio_wb24(pb, 0); |
| 3062 | |
| 3063 | avio_wb32(pb, track->track_id); |
| 3064 | avio_wb32(pb, 0); /* length of traf/trun/sample num */ |
| 3065 | avio_wb32(pb, track->nb_frag_info); |
| 3066 | for (i = 0; i < track->nb_frag_info; i++) { |
| 3067 | avio_wb64(pb, track->frag_info[i].time); |
| 3068 | avio_wb64(pb, track->frag_info[i].offset); |
| 3069 | avio_w8(pb, 1); /* traf number */ |
| 3070 | avio_w8(pb, 1); /* trun number */ |
| 3071 | avio_w8(pb, 1); /* sample number */ |
| 3072 | } |
| 3073 | |
| 3074 | return update_size(pb, pos); |
| 3075 | } |
| 3076 | |
| 3077 | static int mov_write_mfra_tag(AVIOContext *pb, MOVMuxContext *mov) |
| 3078 | { |
| 3079 | int64_t pos = avio_tell(pb); |
| 3080 | int i; |
| 3081 | |
| 3082 | avio_wb32(pb, 0); /* size placeholder */ |
| 3083 | ffio_wfourcc(pb, "mfra"); |
| 3084 | /* An empty mfra atom is enough to indicate to the publishing point that |
| 3085 | * the stream has ended. */ |
| 3086 | if (mov->flags & FF_MOV_FLAG_ISML) |
| 3087 | return update_size(pb, pos); |
| 3088 | |
| 3089 | for (i = 0; i < mov->nb_streams; i++) { |
| 3090 | MOVTrack *track = &mov->tracks[i]; |
| 3091 | if (track->nb_frag_info) |
| 3092 | mov_write_tfra_tag(pb, track); |
| 3093 | } |
| 3094 | |
| 3095 | avio_wb32(pb, 16); |
| 3096 | ffio_wfourcc(pb, "mfro"); |
| 3097 | avio_wb32(pb, 0); /* version + flags */ |
| 3098 | avio_wb32(pb, avio_tell(pb) + 4 - pos); |
| 3099 | |
| 3100 | return update_size(pb, pos); |
| 3101 | } |
| 3102 | |
| 3103 | static int mov_write_mdat_tag(AVIOContext *pb, MOVMuxContext *mov) |
| 3104 | { |
| 3105 | avio_wb32(pb, 8); // placeholder for extended size field (64 bit) |
| 3106 | ffio_wfourcc(pb, mov->mode == MODE_MOV ? "wide" : "free"); |
| 3107 | |
| 3108 | mov->mdat_pos = avio_tell(pb); |
| 3109 | avio_wb32(pb, 0); /* size placeholder*/ |
| 3110 | ffio_wfourcc(pb, "mdat"); |
| 3111 | return 0; |
| 3112 | } |
| 3113 | |
| 3114 | /* TODO: This needs to be more general */ |
| 3115 | static int mov_write_ftyp_tag(AVIOContext *pb, AVFormatContext *s) |
| 3116 | { |
| 3117 | MOVMuxContext *mov = s->priv_data; |
| 3118 | int64_t pos = avio_tell(pb); |
| 3119 | int has_h264 = 0, has_video = 0; |
| 3120 | int minor = 0x200; |
| 3121 | int i; |
| 3122 | |
| 3123 | for (i = 0; i < s->nb_streams; i++) { |
| 3124 | AVStream *st = s->streams[i]; |
| 3125 | if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) |
| 3126 | has_video = 1; |
| 3127 | if (st->codec->codec_id == AV_CODEC_ID_H264) |
| 3128 | has_h264 = 1; |
| 3129 | } |
| 3130 | |
| 3131 | avio_wb32(pb, 0); /* size */ |
| 3132 | ffio_wfourcc(pb, "ftyp"); |
| 3133 | |
| 3134 | if (mov->major_brand && strlen(mov->major_brand) >= 4) |
| 3135 | ffio_wfourcc(pb, mov->major_brand); |
| 3136 | else if (mov->mode == MODE_3GP) { |
| 3137 | ffio_wfourcc(pb, has_h264 ? "3gp6" : "3gp4"); |
| 3138 | minor = has_h264 ? 0x100 : 0x200; |
| 3139 | } else if (mov->mode & MODE_3G2) { |
| 3140 | ffio_wfourcc(pb, has_h264 ? "3g2b" : "3g2a"); |
| 3141 | minor = has_h264 ? 0x20000 : 0x10000; |
| 3142 | } else if (mov->mode == MODE_PSP) |
| 3143 | ffio_wfourcc(pb, "MSNV"); |
| 3144 | else if (mov->mode == MODE_MP4) |
| 3145 | ffio_wfourcc(pb, "isom"); |
| 3146 | else if (mov->mode == MODE_IPOD) |
| 3147 | ffio_wfourcc(pb, has_video ? "M4V ":"M4A "); |
| 3148 | else if (mov->mode == MODE_ISM) |
| 3149 | ffio_wfourcc(pb, "isml"); |
| 3150 | else if (mov->mode == MODE_F4V) |
| 3151 | ffio_wfourcc(pb, "f4v "); |
| 3152 | else |
| 3153 | ffio_wfourcc(pb, "qt "); |
| 3154 | |
| 3155 | avio_wb32(pb, minor); |
| 3156 | |
| 3157 | if (mov->mode == MODE_MOV) |
| 3158 | ffio_wfourcc(pb, "qt "); |
| 3159 | else if (mov->mode == MODE_ISM) { |
| 3160 | ffio_wfourcc(pb, "piff"); |
| 3161 | ffio_wfourcc(pb, "iso2"); |
| 3162 | } else { |
| 3163 | ffio_wfourcc(pb, "isom"); |
| 3164 | ffio_wfourcc(pb, "iso2"); |
| 3165 | if (has_h264) |
| 3166 | ffio_wfourcc(pb, "avc1"); |
| 3167 | } |
| 3168 | |
| 3169 | if (mov->mode == MODE_3GP) |
| 3170 | ffio_wfourcc(pb, has_h264 ? "3gp6":"3gp4"); |
| 3171 | else if (mov->mode & MODE_3G2) |
| 3172 | ffio_wfourcc(pb, has_h264 ? "3g2b":"3g2a"); |
| 3173 | else if (mov->mode == MODE_PSP) |
| 3174 | ffio_wfourcc(pb, "MSNV"); |
| 3175 | else if (mov->mode == MODE_MP4) |
| 3176 | ffio_wfourcc(pb, "mp41"); |
| 3177 | return update_size(pb, pos); |
| 3178 | } |
| 3179 | |
| 3180 | static void mov_write_uuidprof_tag(AVIOContext *pb, AVFormatContext *s) |
| 3181 | { |
| 3182 | AVStream *video_st = s->streams[0]; |
| 3183 | AVCodecContext *video_codec = s->streams[0]->codec; |
| 3184 | AVCodecContext *audio_codec = s->streams[1]->codec; |
| 3185 | int audio_rate = audio_codec->sample_rate; |
| 3186 | // TODO: should be avg_frame_rate |
| 3187 | int frame_rate = ((video_st->time_base.den) * (0x10000)) / (video_st->time_base.num); |
| 3188 | int audio_kbitrate = audio_codec->bit_rate / 1000; |
| 3189 | int video_kbitrate = FFMIN(video_codec->bit_rate / 1000, 800 - audio_kbitrate); |
| 3190 | |
| 3191 | avio_wb32(pb, 0x94); /* size */ |
| 3192 | ffio_wfourcc(pb, "uuid"); |
| 3193 | ffio_wfourcc(pb, "PROF"); |
| 3194 | |
| 3195 | avio_wb32(pb, 0x21d24fce); /* 96 bit UUID */ |
| 3196 | avio_wb32(pb, 0xbb88695c); |
| 3197 | avio_wb32(pb, 0xfac9c740); |
| 3198 | |
| 3199 | avio_wb32(pb, 0x0); /* ? */ |
| 3200 | avio_wb32(pb, 0x3); /* 3 sections ? */ |
| 3201 | |
| 3202 | avio_wb32(pb, 0x14); /* size */ |
| 3203 | ffio_wfourcc(pb, "FPRF"); |
| 3204 | avio_wb32(pb, 0x0); /* ? */ |
| 3205 | avio_wb32(pb, 0x0); /* ? */ |
| 3206 | avio_wb32(pb, 0x0); /* ? */ |
| 3207 | |
| 3208 | avio_wb32(pb, 0x2c); /* size */ |
| 3209 | ffio_wfourcc(pb, "APRF"); /* audio */ |
| 3210 | avio_wb32(pb, 0x0); |
| 3211 | avio_wb32(pb, 0x2); /* TrackID */ |
| 3212 | ffio_wfourcc(pb, "mp4a"); |
| 3213 | avio_wb32(pb, 0x20f); |
| 3214 | avio_wb32(pb, 0x0); |
| 3215 | avio_wb32(pb, audio_kbitrate); |
| 3216 | avio_wb32(pb, audio_kbitrate); |
| 3217 | avio_wb32(pb, audio_rate); |
| 3218 | avio_wb32(pb, audio_codec->channels); |
| 3219 | |
| 3220 | avio_wb32(pb, 0x34); /* size */ |
| 3221 | ffio_wfourcc(pb, "VPRF"); /* video */ |
| 3222 | avio_wb32(pb, 0x0); |
| 3223 | avio_wb32(pb, 0x1); /* TrackID */ |
| 3224 | if (video_codec->codec_id == AV_CODEC_ID_H264) { |
| 3225 | ffio_wfourcc(pb, "avc1"); |
| 3226 | avio_wb16(pb, 0x014D); |
| 3227 | avio_wb16(pb, 0x0015); |
| 3228 | } else { |
| 3229 | ffio_wfourcc(pb, "mp4v"); |
| 3230 | avio_wb16(pb, 0x0000); |
| 3231 | avio_wb16(pb, 0x0103); |
| 3232 | } |
| 3233 | avio_wb32(pb, 0x0); |
| 3234 | avio_wb32(pb, video_kbitrate); |
| 3235 | avio_wb32(pb, video_kbitrate); |
| 3236 | avio_wb32(pb, frame_rate); |
| 3237 | avio_wb32(pb, frame_rate); |
| 3238 | avio_wb16(pb, video_codec->width); |
| 3239 | avio_wb16(pb, video_codec->height); |
| 3240 | avio_wb32(pb, 0x010001); /* ? */ |
| 3241 | } |
| 3242 | |
| 3243 | static int mov_parse_mpeg2_frame(AVPacket *pkt, uint32_t *flags) |
| 3244 | { |
| 3245 | uint32_t c = -1; |
| 3246 | int i, closed_gop = 0; |
| 3247 | |
| 3248 | for (i = 0; i < pkt->size - 4; i++) { |
| 3249 | c = (c << 8) + pkt->data[i]; |
| 3250 | if (c == 0x1b8) { // gop |
| 3251 | closed_gop = pkt->data[i + 4] >> 6 & 0x01; |
| 3252 | } else if (c == 0x100) { // pic |
| 3253 | int temp_ref = (pkt->data[i + 1] << 2) | (pkt->data[i + 2] >> 6); |
| 3254 | if (!temp_ref || closed_gop) // I picture is not reordered |
| 3255 | *flags = MOV_SYNC_SAMPLE; |
| 3256 | else |
| 3257 | *flags = MOV_PARTIAL_SYNC_SAMPLE; |
| 3258 | break; |
| 3259 | } |
| 3260 | } |
| 3261 | return 0; |
| 3262 | } |
| 3263 | |
| 3264 | static void mov_parse_vc1_frame(AVPacket *pkt, MOVTrack *trk, int fragment) |
| 3265 | { |
| 3266 | const uint8_t *start, *next, *end = pkt->data + pkt->size; |
| 3267 | int seq = 0, entry = 0; |
| 3268 | int key = pkt->flags & AV_PKT_FLAG_KEY; |
| 3269 | start = find_next_marker(pkt->data, end); |
| 3270 | for (next = start; next < end; start = next) { |
| 3271 | next = find_next_marker(start + 4, end); |
| 3272 | switch (AV_RB32(start)) { |
| 3273 | case VC1_CODE_SEQHDR: |
| 3274 | seq = 1; |
| 3275 | break; |
| 3276 | case VC1_CODE_ENTRYPOINT: |
| 3277 | entry = 1; |
| 3278 | break; |
| 3279 | case VC1_CODE_SLICE: |
| 3280 | trk->vc1_info.slices = 1; |
| 3281 | break; |
| 3282 | } |
| 3283 | } |
| 3284 | if (!trk->entry && !fragment) { |
| 3285 | /* First packet in first fragment */ |
| 3286 | trk->vc1_info.first_packet_seq = seq; |
| 3287 | trk->vc1_info.first_packet_entry = entry; |
| 3288 | } else if ((seq && !trk->vc1_info.packet_seq) || |
| 3289 | (entry && !trk->vc1_info.packet_entry)) { |
| 3290 | int i; |
| 3291 | for (i = 0; i < trk->entry; i++) |
| 3292 | trk->cluster[i].flags &= ~MOV_SYNC_SAMPLE; |
| 3293 | trk->has_keyframes = 0; |
| 3294 | if (seq) |
| 3295 | trk->vc1_info.packet_seq = 1; |
| 3296 | if (entry) |
| 3297 | trk->vc1_info.packet_entry = 1; |
| 3298 | if (!fragment) { |
| 3299 | /* First fragment */ |
| 3300 | if ((!seq || trk->vc1_info.first_packet_seq) && |
| 3301 | (!entry || trk->vc1_info.first_packet_entry)) { |
| 3302 | /* First packet had the same headers as this one, readd the |
| 3303 | * sync sample flag. */ |
| 3304 | trk->cluster[0].flags |= MOV_SYNC_SAMPLE; |
| 3305 | trk->has_keyframes = 1; |
| 3306 | } |
| 3307 | } |
| 3308 | } |
| 3309 | if (trk->vc1_info.packet_seq && trk->vc1_info.packet_entry) |
| 3310 | key = seq && entry; |
| 3311 | else if (trk->vc1_info.packet_seq) |
| 3312 | key = seq; |
| 3313 | else if (trk->vc1_info.packet_entry) |
| 3314 | key = entry; |
| 3315 | if (key) { |
| 3316 | trk->cluster[trk->entry].flags |= MOV_SYNC_SAMPLE; |
| 3317 | trk->has_keyframes++; |
| 3318 | } |
| 3319 | } |
| 3320 | |
| 3321 | static int mov_flush_fragment(AVFormatContext *s) |
| 3322 | { |
| 3323 | MOVMuxContext *mov = s->priv_data; |
| 3324 | int i, first_track = -1; |
| 3325 | int64_t mdat_size = 0; |
| 3326 | |
| 3327 | if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) |
| 3328 | return 0; |
| 3329 | |
| 3330 | if (!(mov->flags & FF_MOV_FLAG_EMPTY_MOOV) && mov->fragments == 0) { |
| 3331 | int64_t pos = avio_tell(s->pb); |
| 3332 | uint8_t *buf; |
| 3333 | int buf_size, moov_size; |
| 3334 | |
| 3335 | for (i = 0; i < mov->nb_streams; i++) |
| 3336 | if (!mov->tracks[i].entry) |
| 3337 | break; |
| 3338 | /* Don't write the initial moov unless all tracks have data */ |
| 3339 | if (i < mov->nb_streams) |
| 3340 | return 0; |
| 3341 | |
| 3342 | moov_size = get_moov_size(s); |
| 3343 | for (i = 0; i < mov->nb_streams; i++) |
| 3344 | mov->tracks[i].data_offset = pos + moov_size + 8; |
| 3345 | |
| 3346 | mov_write_moov_tag(s->pb, mov, s); |
| 3347 | |
| 3348 | buf_size = avio_close_dyn_buf(mov->mdat_buf, &buf); |
| 3349 | mov->mdat_buf = NULL; |
| 3350 | avio_wb32(s->pb, buf_size + 8); |
| 3351 | ffio_wfourcc(s->pb, "mdat"); |
| 3352 | avio_write(s->pb, buf, buf_size); |
| 3353 | av_free(buf); |
| 3354 | |
| 3355 | mov->fragments++; |
| 3356 | mov->mdat_size = 0; |
| 3357 | for (i = 0; i < mov->nb_streams; i++) { |
| 3358 | if (mov->tracks[i].entry) |
| 3359 | mov->tracks[i].frag_start += mov->tracks[i].start_dts + |
| 3360 | mov->tracks[i].track_duration - |
| 3361 | mov->tracks[i].cluster[0].dts; |
| 3362 | mov->tracks[i].entry = 0; |
| 3363 | } |
| 3364 | avio_flush(s->pb); |
| 3365 | return 0; |
| 3366 | } |
| 3367 | |
| 3368 | for (i = 0; i < mov->nb_streams; i++) { |
| 3369 | MOVTrack *track = &mov->tracks[i]; |
| 3370 | if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) |
| 3371 | track->data_offset = 0; |
| 3372 | else |
| 3373 | track->data_offset = mdat_size; |
| 3374 | if (!track->mdat_buf) |
| 3375 | continue; |
| 3376 | mdat_size += avio_tell(track->mdat_buf); |
| 3377 | if (first_track < 0) |
| 3378 | first_track = i; |
| 3379 | } |
| 3380 | |
| 3381 | if (!mdat_size) |
| 3382 | return 0; |
| 3383 | |
| 3384 | for (i = 0; i < mov->nb_streams; i++) { |
| 3385 | MOVTrack *track = &mov->tracks[i]; |
| 3386 | int buf_size, write_moof = 1, moof_tracks = -1; |
| 3387 | uint8_t *buf; |
| 3388 | int64_t duration = 0; |
| 3389 | |
| 3390 | if (track->entry) |
| 3391 | duration = track->start_dts + track->track_duration - |
| 3392 | track->cluster[0].dts; |
| 3393 | if (mov->flags & FF_MOV_FLAG_SEPARATE_MOOF) { |
| 3394 | if (!track->mdat_buf) |
| 3395 | continue; |
| 3396 | mdat_size = avio_tell(track->mdat_buf); |
| 3397 | moof_tracks = i; |
| 3398 | } else { |
| 3399 | write_moof = i == first_track; |
| 3400 | } |
| 3401 | |
| 3402 | if (write_moof) { |
| 3403 | MOVFragmentInfo *info; |
| 3404 | avio_flush(s->pb); |
| 3405 | track->nb_frag_info++; |
| 3406 | if (track->nb_frag_info >= track->frag_info_capacity) { |
| 3407 | unsigned new_capacity = track->nb_frag_info + MOV_FRAG_INFO_ALLOC_INCREMENT; |
| 3408 | if (av_reallocp_array(&track->frag_info, |
| 3409 | new_capacity, |
| 3410 | sizeof(*track->frag_info))) |
| 3411 | return AVERROR(ENOMEM); |
| 3412 | track->frag_info_capacity = new_capacity; |
| 3413 | } |
| 3414 | info = &track->frag_info[track->nb_frag_info - 1]; |
| 3415 | info->offset = avio_tell(s->pb); |
| 3416 | info->time = mov->tracks[i].frag_start; |
| 3417 | info->duration = duration; |
| 3418 | mov_write_tfrf_tags(s->pb, mov, track); |
| 3419 | |
| 3420 | mov_write_moof_tag(s->pb, mov, moof_tracks); |
| 3421 | info->tfrf_offset = track->tfrf_offset; |
| 3422 | mov->fragments++; |
| 3423 | |
| 3424 | avio_wb32(s->pb, mdat_size + 8); |
| 3425 | ffio_wfourcc(s->pb, "mdat"); |
| 3426 | } |
| 3427 | |
| 3428 | if (track->entry) |
| 3429 | track->frag_start += duration; |
| 3430 | track->entry = 0; |
| 3431 | if (!track->mdat_buf) |
| 3432 | continue; |
| 3433 | buf_size = avio_close_dyn_buf(track->mdat_buf, &buf); |
| 3434 | track->mdat_buf = NULL; |
| 3435 | |
| 3436 | avio_write(s->pb, buf, buf_size); |
| 3437 | av_free(buf); |
| 3438 | } |
| 3439 | |
| 3440 | mov->mdat_size = 0; |
| 3441 | |
| 3442 | avio_flush(s->pb); |
| 3443 | return 0; |
| 3444 | } |
| 3445 | |
| 3446 | int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt) |
| 3447 | { |
| 3448 | MOVMuxContext *mov = s->priv_data; |
| 3449 | AVIOContext *pb = s->pb; |
| 3450 | MOVTrack *trk = &mov->tracks[pkt->stream_index]; |
| 3451 | AVCodecContext *enc = trk->enc; |
| 3452 | unsigned int samples_in_chunk = 0; |
| 3453 | int size = pkt->size; |
| 3454 | uint8_t *reformatted_data = NULL; |
| 3455 | |
| 3456 | if (trk->entry) { |
| 3457 | int64_t duration = pkt->dts - trk->cluster[trk->entry - 1].dts; |
| 3458 | if (duration < 0 || duration > INT_MAX) { |
| 3459 | av_log(s, AV_LOG_ERROR, "Application provided duration: %"PRId64" / timestamp: %"PRId64" is out of range for mov/mp4 format\n", |
| 3460 | duration, pkt->dts |
| 3461 | ); |
| 3462 | |
| 3463 | pkt->dts = trk->cluster[trk->entry - 1].dts + 1; |
| 3464 | pkt->pts = AV_NOPTS_VALUE; |
| 3465 | } |
| 3466 | if (pkt->duration < 0) { |
| 3467 | av_log(s, AV_LOG_ERROR, "Application provided duration: %d is invalid\n", pkt->duration); |
| 3468 | return AVERROR(EINVAL); |
| 3469 | } |
| 3470 | } |
| 3471 | if (mov->flags & FF_MOV_FLAG_FRAGMENT) { |
| 3472 | int ret; |
| 3473 | if (mov->fragments > 0) { |
| 3474 | if (!trk->mdat_buf) { |
| 3475 | if ((ret = avio_open_dyn_buf(&trk->mdat_buf)) < 0) |
| 3476 | return ret; |
| 3477 | } |
| 3478 | pb = trk->mdat_buf; |
| 3479 | } else { |
| 3480 | if (!mov->mdat_buf) { |
| 3481 | if ((ret = avio_open_dyn_buf(&mov->mdat_buf)) < 0) |
| 3482 | return ret; |
| 3483 | } |
| 3484 | pb = mov->mdat_buf; |
| 3485 | } |
| 3486 | } |
| 3487 | |
| 3488 | if (enc->codec_id == AV_CODEC_ID_AMR_NB) { |
| 3489 | /* We must find out how many AMR blocks there are in one packet */ |
| 3490 | static uint16_t packed_size[16] = |
| 3491 | {13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 1}; |
| 3492 | int len = 0; |
| 3493 | |
| 3494 | while (len < size && samples_in_chunk < 100) { |
| 3495 | len += packed_size[(pkt->data[len] >> 3) & 0x0F]; |
| 3496 | samples_in_chunk++; |
| 3497 | } |
| 3498 | if (samples_in_chunk > 1) { |
| 3499 | av_log(s, AV_LOG_ERROR, "fatal error, input is not a single packet, implement a AVParser for it\n"); |
| 3500 | return -1; |
| 3501 | } |
| 3502 | } else if (enc->codec_id == AV_CODEC_ID_ADPCM_MS || |
| 3503 | enc->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) { |
| 3504 | samples_in_chunk = enc->frame_size; |
| 3505 | } else if (trk->sample_size) |
| 3506 | samples_in_chunk = size / trk->sample_size; |
| 3507 | else |
| 3508 | samples_in_chunk = 1; |
| 3509 | |
| 3510 | /* copy extradata if it exists */ |
| 3511 | if (trk->vos_len == 0 && enc->extradata_size > 0) { |
| 3512 | trk->vos_len = enc->extradata_size; |
| 3513 | trk->vos_data = av_malloc(trk->vos_len); |
| 3514 | memcpy(trk->vos_data, enc->extradata, trk->vos_len); |
| 3515 | } |
| 3516 | |
| 3517 | if (enc->codec_id == AV_CODEC_ID_AAC && pkt->size > 2 && |
| 3518 | (AV_RB16(pkt->data) & 0xfff0) == 0xfff0) { |
| 3519 | if (!s->streams[pkt->stream_index]->nb_frames) { |
| 3520 | av_log(s, AV_LOG_ERROR, "Malformed AAC bitstream detected: " |
| 3521 | "use the audio bitstream filter 'aac_adtstoasc' to fix it " |
| 3522 | "('-bsf:a aac_adtstoasc' option with ffmpeg)\n"); |
| 3523 | return -1; |
| 3524 | } |
| 3525 | av_log(s, AV_LOG_WARNING, "aac bitstream error\n"); |
| 3526 | } |
| 3527 | if (enc->codec_id == AV_CODEC_ID_H264 && trk->vos_len > 0 && *(uint8_t *)trk->vos_data != 1) { |
| 3528 | /* from x264 or from bytestream h264 */ |
| 3529 | /* nal reformating needed */ |
| 3530 | if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) { |
| 3531 | ff_avc_parse_nal_units_buf(pkt->data, &reformatted_data, |
| 3532 | &size); |
| 3533 | avio_write(pb, reformatted_data, size); |
| 3534 | } else { |
| 3535 | size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size); |
| 3536 | } |
| 3537 | } else if (enc->codec_id == AV_CODEC_ID_HEVC && trk->vos_len > 6 && |
| 3538 | (AV_RB24(trk->vos_data) == 1 || AV_RB32(trk->vos_data) == 1)) { |
| 3539 | /* extradata is Annex B, assume the bitstream is too and convert it */ |
| 3540 | if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) { |
| 3541 | ff_hevc_annexb2mp4_buf(pkt->data, &reformatted_data, &size, 0, NULL); |
| 3542 | avio_write(pb, reformatted_data, size); |
| 3543 | } else { |
| 3544 | size = ff_hevc_annexb2mp4(pb, pkt->data, pkt->size, 0, NULL); |
| 3545 | } |
| 3546 | } else { |
| 3547 | avio_write(pb, pkt->data, size); |
| 3548 | } |
| 3549 | |
| 3550 | if ((enc->codec_id == AV_CODEC_ID_DNXHD || |
| 3551 | enc->codec_id == AV_CODEC_ID_AC3) && !trk->vos_len) { |
| 3552 | /* copy frame to create needed atoms */ |
| 3553 | trk->vos_len = size; |
| 3554 | trk->vos_data = av_malloc(size); |
| 3555 | if (!trk->vos_data) |
| 3556 | return AVERROR(ENOMEM); |
| 3557 | memcpy(trk->vos_data, pkt->data, size); |
| 3558 | } |
| 3559 | |
| 3560 | if (trk->entry >= trk->cluster_capacity) { |
| 3561 | unsigned new_capacity = 2 * (trk->entry + MOV_INDEX_CLUSTER_SIZE); |
| 3562 | if (av_reallocp_array(&trk->cluster, new_capacity, |
| 3563 | sizeof(*trk->cluster))) |
| 3564 | return AVERROR(ENOMEM); |
| 3565 | trk->cluster_capacity = new_capacity; |
| 3566 | } |
| 3567 | |
| 3568 | trk->cluster[trk->entry].pos = avio_tell(pb) - size; |
| 3569 | trk->cluster[trk->entry].samples_in_chunk = samples_in_chunk; |
| 3570 | trk->cluster[trk->entry].chunkNum = 0; |
| 3571 | trk->cluster[trk->entry].size = size; |
| 3572 | trk->cluster[trk->entry].entries = samples_in_chunk; |
| 3573 | trk->cluster[trk->entry].dts = pkt->dts; |
| 3574 | if (!trk->entry && trk->start_dts != AV_NOPTS_VALUE) { |
| 3575 | /* First packet of a new fragment. We already wrote the duration |
| 3576 | * of the last packet of the previous fragment based on track_duration, |
| 3577 | * which might not exactly match our dts. Therefore adjust the dts |
| 3578 | * of this packet to be what the previous packets duration implies. */ |
| 3579 | trk->cluster[trk->entry].dts = trk->start_dts + trk->track_duration; |
| 3580 | } |
| 3581 | if (!trk->entry && trk->start_dts == AV_NOPTS_VALUE && !supports_edts(mov)) { |
| 3582 | trk->cluster[trk->entry].dts = trk->start_dts = 0; |
| 3583 | } |
| 3584 | if (trk->start_dts == AV_NOPTS_VALUE) |
| 3585 | trk->start_dts = pkt->dts; |
| 3586 | trk->track_duration = pkt->dts - trk->start_dts + pkt->duration; |
| 3587 | trk->last_sample_is_subtitle_end = 0; |
| 3588 | |
| 3589 | if (pkt->pts == AV_NOPTS_VALUE) { |
| 3590 | av_log(s, AV_LOG_WARNING, "pts has no value\n"); |
| 3591 | pkt->pts = pkt->dts; |
| 3592 | } |
| 3593 | if (pkt->dts != pkt->pts) |
| 3594 | trk->flags |= MOV_TRACK_CTTS; |
| 3595 | trk->cluster[trk->entry].cts = pkt->pts - pkt->dts; |
| 3596 | trk->cluster[trk->entry].flags = 0; |
| 3597 | if (enc->codec_id == AV_CODEC_ID_VC1) { |
| 3598 | mov_parse_vc1_frame(pkt, trk, mov->fragments); |
| 3599 | } else if (pkt->flags & AV_PKT_FLAG_KEY) { |
| 3600 | if (mov->mode == MODE_MOV && enc->codec_id == AV_CODEC_ID_MPEG2VIDEO && |
| 3601 | trk->entry > 0) { // force sync sample for the first key frame |
| 3602 | mov_parse_mpeg2_frame(pkt, &trk->cluster[trk->entry].flags); |
| 3603 | if (trk->cluster[trk->entry].flags & MOV_PARTIAL_SYNC_SAMPLE) |
| 3604 | trk->flags |= MOV_TRACK_STPS; |
| 3605 | } else { |
| 3606 | trk->cluster[trk->entry].flags = MOV_SYNC_SAMPLE; |
| 3607 | } |
| 3608 | if (trk->cluster[trk->entry].flags & MOV_SYNC_SAMPLE) |
| 3609 | trk->has_keyframes++; |
| 3610 | } |
| 3611 | trk->entry++; |
| 3612 | trk->sample_count += samples_in_chunk; |
| 3613 | mov->mdat_size += size; |
| 3614 | |
| 3615 | if (trk->hint_track >= 0 && trk->hint_track < mov->nb_streams) |
| 3616 | ff_mov_add_hinted_packet(s, pkt, trk->hint_track, trk->entry, |
| 3617 | reformatted_data, size); |
| 3618 | av_free(reformatted_data); |
| 3619 | return 0; |
| 3620 | } |
| 3621 | |
| 3622 | static int mov_write_single_packet(AVFormatContext *s, AVPacket *pkt) |
| 3623 | { |
| 3624 | MOVMuxContext *mov = s->priv_data; |
| 3625 | MOVTrack *trk = &mov->tracks[pkt->stream_index]; |
| 3626 | AVCodecContext *enc = trk->enc; |
| 3627 | int64_t frag_duration = 0; |
| 3628 | int size = pkt->size; |
| 3629 | |
| 3630 | if (!pkt->size) |
| 3631 | return 0; /* Discard 0 sized packets */ |
| 3632 | |
| 3633 | if (trk->entry && pkt->stream_index < s->nb_streams) |
| 3634 | frag_duration = av_rescale_q(pkt->dts - trk->cluster[0].dts, |
| 3635 | s->streams[pkt->stream_index]->time_base, |
| 3636 | AV_TIME_BASE_Q); |
| 3637 | if ((mov->max_fragment_duration && |
| 3638 | frag_duration >= mov->max_fragment_duration) || |
| 3639 | (mov->max_fragment_size && mov->mdat_size + size >= mov->max_fragment_size) || |
| 3640 | (mov->flags & FF_MOV_FLAG_FRAG_KEYFRAME && |
| 3641 | enc->codec_type == AVMEDIA_TYPE_VIDEO && |
| 3642 | trk->entry && pkt->flags & AV_PKT_FLAG_KEY)) { |
| 3643 | if (frag_duration >= mov->min_fragment_duration) |
| 3644 | mov_flush_fragment(s); |
| 3645 | } |
| 3646 | |
| 3647 | return ff_mov_write_packet(s, pkt); |
| 3648 | } |
| 3649 | |
| 3650 | static int mov_write_subtitle_end_packet(AVFormatContext *s, |
| 3651 | int stream_index, |
| 3652 | int64_t dts) { |
| 3653 | AVPacket end; |
| 3654 | uint8_t data[2] = {0}; |
| 3655 | int ret; |
| 3656 | |
| 3657 | av_init_packet(&end); |
| 3658 | end.size = sizeof(data); |
| 3659 | end.data = data; |
| 3660 | end.pts = dts; |
| 3661 | end.dts = dts; |
| 3662 | end.duration = 0; |
| 3663 | end.stream_index = stream_index; |
| 3664 | |
| 3665 | ret = mov_write_single_packet(s, &end); |
| 3666 | av_free_packet(&end); |
| 3667 | |
| 3668 | return ret; |
| 3669 | } |
| 3670 | |
| 3671 | static int mov_write_packet(AVFormatContext *s, AVPacket *pkt) |
| 3672 | { |
| 3673 | if (!pkt) { |
| 3674 | mov_flush_fragment(s); |
| 3675 | return 1; |
| 3676 | } else { |
| 3677 | int i; |
| 3678 | MOVMuxContext *mov = s->priv_data; |
| 3679 | |
| 3680 | if (!pkt->size) return 0; /* Discard 0 sized packets */ |
| 3681 | |
| 3682 | /* |
| 3683 | * Subtitles require special handling. |
| 3684 | * |
| 3685 | * 1) For full complaince, every track must have a sample at |
| 3686 | * dts == 0, which is rarely true for subtitles. So, as soon |
| 3687 | * as we see any packet with dts > 0, write an empty subtitle |
| 3688 | * at dts == 0 for any subtitle track with no samples in it. |
| 3689 | * |
| 3690 | * 2) For each subtitle track, check if the current packet's |
| 3691 | * dts is past the duration of the last subtitle sample. If |
| 3692 | * so, we now need to write an end sample for that subtitle. |
| 3693 | * |
| 3694 | * This must be done conditionally to allow for subtitles that |
| 3695 | * immediately replace each other, in which case an end sample |
| 3696 | * is not needed, and is, in fact, actively harmful. |
| 3697 | * |
| 3698 | * 3) See mov_write_trailer for how the final end sample is |
| 3699 | * handled. |
| 3700 | */ |
| 3701 | for (i = 0; i < mov->nb_streams; i++) { |
| 3702 | MOVTrack *trk = &mov->tracks[i]; |
| 3703 | int ret; |
| 3704 | |
| 3705 | if (trk->enc->codec_id == AV_CODEC_ID_MOV_TEXT && |
| 3706 | trk->track_duration < pkt->dts && |
| 3707 | (trk->entry == 0 || !trk->last_sample_is_subtitle_end)) { |
| 3708 | ret = mov_write_subtitle_end_packet(s, i, trk->track_duration); |
| 3709 | if (ret < 0) return ret; |
| 3710 | trk->last_sample_is_subtitle_end = 1; |
| 3711 | } |
| 3712 | } |
| 3713 | |
| 3714 | return mov_write_single_packet(s, pkt); |
| 3715 | } |
| 3716 | } |
| 3717 | |
| 3718 | // QuickTime chapters involve an additional text track with the chapter names |
| 3719 | // as samples, and a tref pointing from the other tracks to the chapter one. |
| 3720 | static int mov_create_chapter_track(AVFormatContext *s, int tracknum) |
| 3721 | { |
| 3722 | AVIOContext *pb; |
| 3723 | |
| 3724 | MOVMuxContext *mov = s->priv_data; |
| 3725 | MOVTrack *track = &mov->tracks[tracknum]; |
| 3726 | AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY }; |
| 3727 | int i, len; |
| 3728 | |
| 3729 | track->mode = mov->mode; |
| 3730 | track->tag = MKTAG('t','e','x','t'); |
| 3731 | track->timescale = MOV_TIMESCALE; |
| 3732 | track->enc = avcodec_alloc_context3(NULL); |
| 3733 | if (!track->enc) |
| 3734 | return AVERROR(ENOMEM); |
| 3735 | track->enc->codec_type = AVMEDIA_TYPE_SUBTITLE; |
| 3736 | #if 0 |
| 3737 | // These properties are required to make QT recognize the chapter track |
| 3738 | uint8_t chapter_properties[43] = { 0, 0, 0, 0, 0, 0, 0, 1, }; |
| 3739 | if (ff_alloc_extradata(track->enc, sizeof(chapter_properties))) |
| 3740 | return AVERROR(ENOMEM); |
| 3741 | memcpy(track->enc->extradata, chapter_properties, sizeof(chapter_properties)); |
| 3742 | #else |
| 3743 | if (avio_open_dyn_buf(&pb) >= 0) { |
| 3744 | int size; |
| 3745 | uint8_t *buf; |
| 3746 | |
| 3747 | /* Stub header (usually for Quicktime chapter track) */ |
| 3748 | // TextSampleEntry |
| 3749 | avio_wb32(pb, 0x01); // displayFlags |
| 3750 | avio_w8(pb, 0x00); // horizontal justification |
| 3751 | avio_w8(pb, 0x00); // vertical justification |
| 3752 | avio_w8(pb, 0x00); // bgColourRed |
| 3753 | avio_w8(pb, 0x00); // bgColourGreen |
| 3754 | avio_w8(pb, 0x00); // bgColourBlue |
| 3755 | avio_w8(pb, 0x00); // bgColourAlpha |
| 3756 | // BoxRecord |
| 3757 | avio_wb16(pb, 0x00); // defTextBoxTop |
| 3758 | avio_wb16(pb, 0x00); // defTextBoxLeft |
| 3759 | avio_wb16(pb, 0x00); // defTextBoxBottom |
| 3760 | avio_wb16(pb, 0x00); // defTextBoxRight |
| 3761 | // StyleRecord |
| 3762 | avio_wb16(pb, 0x00); // startChar |
| 3763 | avio_wb16(pb, 0x00); // endChar |
| 3764 | avio_wb16(pb, 0x01); // fontID |
| 3765 | avio_w8(pb, 0x00); // fontStyleFlags |
| 3766 | avio_w8(pb, 0x00); // fontSize |
| 3767 | avio_w8(pb, 0x00); // fgColourRed |
| 3768 | avio_w8(pb, 0x00); // fgColourGreen |
| 3769 | avio_w8(pb, 0x00); // fgColourBlue |
| 3770 | avio_w8(pb, 0x00); // fgColourAlpha |
| 3771 | // FontTableBox |
| 3772 | avio_wb32(pb, 0x0D); // box size |
| 3773 | ffio_wfourcc(pb, "ftab"); // box atom name |
| 3774 | avio_wb16(pb, 0x01); // entry count |
| 3775 | // FontRecord |
| 3776 | avio_wb16(pb, 0x01); // font ID |
| 3777 | avio_w8(pb, 0x00); // font name length |
| 3778 | |
| 3779 | if ((size = avio_close_dyn_buf(pb, &buf)) > 0) { |
| 3780 | track->enc->extradata = buf; |
| 3781 | track->enc->extradata_size = size; |
| 3782 | } else { |
| 3783 | av_freep(&buf); |
| 3784 | } |
| 3785 | } |
| 3786 | #endif |
| 3787 | |
| 3788 | for (i = 0; i < s->nb_chapters; i++) { |
| 3789 | AVChapter *c = s->chapters[i]; |
| 3790 | AVDictionaryEntry *t; |
| 3791 | |
| 3792 | int64_t end = av_rescale_q(c->end, c->time_base, (AVRational){1,MOV_TIMESCALE}); |
| 3793 | pkt.pts = pkt.dts = av_rescale_q(c->start, c->time_base, (AVRational){1,MOV_TIMESCALE}); |
| 3794 | pkt.duration = end - pkt.dts; |
| 3795 | |
| 3796 | if ((t = av_dict_get(c->metadata, "title", NULL, 0))) { |
| 3797 | const char encd[12] = { |
| 3798 | 0x00, 0x00, 0x00, 0x0C, |
| 3799 | 'e', 'n', 'c', 'd', |
| 3800 | 0x00, 0x00, 0x01, 0x00 }; |
| 3801 | len = strlen(t->value); |
| 3802 | pkt.size = len + 2 + 12; |
| 3803 | pkt.data = av_malloc(pkt.size); |
| 3804 | if (!pkt.data) |
| 3805 | return AVERROR(ENOMEM); |
| 3806 | AV_WB16(pkt.data, len); |
| 3807 | memcpy(pkt.data + 2, t->value, len); |
| 3808 | memcpy(pkt.data + len + 2, encd, sizeof(encd)); |
| 3809 | ff_mov_write_packet(s, &pkt); |
| 3810 | av_freep(&pkt.data); |
| 3811 | } |
| 3812 | } |
| 3813 | |
| 3814 | return 0; |
| 3815 | } |
| 3816 | |
| 3817 | static int mov_create_timecode_track(AVFormatContext *s, int index, int src_index, const char *tcstr) |
| 3818 | { |
| 3819 | int ret; |
| 3820 | MOVMuxContext *mov = s->priv_data; |
| 3821 | MOVTrack *track = &mov->tracks[index]; |
| 3822 | AVStream *src_st = s->streams[src_index]; |
| 3823 | AVTimecode tc; |
| 3824 | AVPacket pkt = {.stream_index = index, .flags = AV_PKT_FLAG_KEY, .size = 4}; |
| 3825 | AVRational rate = find_fps(s, src_st); |
| 3826 | |
| 3827 | /* compute the frame number */ |
| 3828 | ret = av_timecode_init_from_string(&tc, rate, tcstr, s); |
| 3829 | if (ret < 0) |
| 3830 | return ret; |
| 3831 | |
| 3832 | /* tmcd track based on video stream */ |
| 3833 | track->mode = mov->mode; |
| 3834 | track->tag = MKTAG('t','m','c','d'); |
| 3835 | track->src_track = src_index; |
| 3836 | track->timescale = mov->tracks[src_index].timescale; |
| 3837 | if (tc.flags & AV_TIMECODE_FLAG_DROPFRAME) |
| 3838 | track->timecode_flags |= MOV_TIMECODE_FLAG_DROPFRAME; |
| 3839 | |
| 3840 | /* set st to src_st for metadata access*/ |
| 3841 | track->st = src_st; |
| 3842 | |
| 3843 | /* encode context: tmcd data stream */ |
| 3844 | track->enc = avcodec_alloc_context3(NULL); |
| 3845 | track->enc->codec_type = AVMEDIA_TYPE_DATA; |
| 3846 | track->enc->codec_tag = track->tag; |
| 3847 | track->enc->time_base = av_inv_q(rate); |
| 3848 | |
| 3849 | /* the tmcd track just contains one packet with the frame number */ |
| 3850 | pkt.data = av_malloc(pkt.size); |
| 3851 | AV_WB32(pkt.data, tc.start); |
| 3852 | ret = ff_mov_write_packet(s, &pkt); |
| 3853 | av_free(pkt.data); |
| 3854 | return ret; |
| 3855 | } |
| 3856 | |
| 3857 | /* |
| 3858 | * st->disposition controls the "enabled" flag in the tkhd tag. |
| 3859 | * QuickTime will not play a track if it is not enabled. So make sure |
| 3860 | * that one track of each type (audio, video, subtitle) is enabled. |
| 3861 | * |
| 3862 | * Subtitles are special. For audio and video, setting "enabled" also |
| 3863 | * makes the track "default" (i.e. it is rendered when played). For |
| 3864 | * subtitles, an "enabled" subtitle is not rendered by default, but |
| 3865 | * if no subtitle is enabled, the subtitle menu in QuickTime will be |
| 3866 | * empty! |
| 3867 | */ |
| 3868 | static void enable_tracks(AVFormatContext *s) |
| 3869 | { |
| 3870 | MOVMuxContext *mov = s->priv_data; |
| 3871 | int i; |
| 3872 | int enabled[AVMEDIA_TYPE_NB]; |
| 3873 | int first[AVMEDIA_TYPE_NB]; |
| 3874 | |
| 3875 | for (i = 0; i < AVMEDIA_TYPE_NB; i++) { |
| 3876 | enabled[i] = 0; |
| 3877 | first[i] = -1; |
| 3878 | } |
| 3879 | |
| 3880 | for (i = 0; i < s->nb_streams; i++) { |
| 3881 | AVStream *st = s->streams[i]; |
| 3882 | |
| 3883 | if (st->codec->codec_type <= AVMEDIA_TYPE_UNKNOWN || |
| 3884 | st->codec->codec_type >= AVMEDIA_TYPE_NB) |
| 3885 | continue; |
| 3886 | |
| 3887 | if (first[st->codec->codec_type] < 0) |
| 3888 | first[st->codec->codec_type] = i; |
| 3889 | if (st->disposition & AV_DISPOSITION_DEFAULT) { |
| 3890 | mov->tracks[i].flags |= MOV_TRACK_ENABLED; |
| 3891 | enabled[st->codec->codec_type]++; |
| 3892 | } |
| 3893 | } |
| 3894 | |
| 3895 | for (i = 0; i < AVMEDIA_TYPE_NB; i++) { |
| 3896 | switch (i) { |
| 3897 | case AVMEDIA_TYPE_VIDEO: |
| 3898 | case AVMEDIA_TYPE_AUDIO: |
| 3899 | case AVMEDIA_TYPE_SUBTITLE: |
| 3900 | if (enabled[i] > 1) |
| 3901 | mov->per_stream_grouping = 1; |
| 3902 | if (!enabled[i] && first[i] >= 0) |
| 3903 | mov->tracks[first[i]].flags |= MOV_TRACK_ENABLED; |
| 3904 | break; |
| 3905 | } |
| 3906 | } |
| 3907 | } |
| 3908 | |
| 3909 | static void mov_free(AVFormatContext *s) |
| 3910 | { |
| 3911 | MOVMuxContext *mov = s->priv_data; |
| 3912 | int i; |
| 3913 | |
| 3914 | if (mov->chapter_track) { |
| 3915 | if (mov->tracks[mov->chapter_track].enc) |
| 3916 | av_freep(&mov->tracks[mov->chapter_track].enc->extradata); |
| 3917 | av_freep(&mov->tracks[mov->chapter_track].enc); |
| 3918 | } |
| 3919 | |
| 3920 | for (i = 0; i < mov->nb_streams; i++) { |
| 3921 | if (mov->tracks[i].tag == MKTAG('r','t','p',' ')) |
| 3922 | ff_mov_close_hinting(&mov->tracks[i]); |
| 3923 | else if (mov->tracks[i].tag == MKTAG('t','m','c','d') && mov->nb_meta_tmcd) |
| 3924 | av_freep(&mov->tracks[i].enc); |
| 3925 | av_freep(&mov->tracks[i].cluster); |
| 3926 | av_freep(&mov->tracks[i].frag_info); |
| 3927 | |
| 3928 | if (mov->tracks[i].vos_len) |
| 3929 | av_freep(&mov->tracks[i].vos_data); |
| 3930 | } |
| 3931 | |
| 3932 | av_freep(&mov->tracks); |
| 3933 | } |
| 3934 | |
| 3935 | static uint32_t rgb_to_yuv(uint32_t rgb) |
| 3936 | { |
| 3937 | uint8_t r, g, b; |
| 3938 | int y, cb, cr; |
| 3939 | |
| 3940 | r = (rgb >> 16) & 0xFF; |
| 3941 | g = (rgb >> 8) & 0xFF; |
| 3942 | b = (rgb ) & 0xFF; |
| 3943 | |
| 3944 | y = av_clip_uint8( 16. + 0.257 * r + 0.504 * g + 0.098 * b); |
| 3945 | cb = av_clip_uint8(128. - 0.148 * r - 0.291 * g + 0.439 * b); |
| 3946 | cr = av_clip_uint8(128. + 0.439 * r - 0.368 * g - 0.071 * b); |
| 3947 | |
| 3948 | return (y << 16) | (cr << 8) | cb; |
| 3949 | } |
| 3950 | |
| 3951 | static int mov_create_dvd_sub_decoder_specific_info(MOVTrack *track, |
| 3952 | AVStream *st) |
| 3953 | { |
| 3954 | int i, width = 720, height = 480; |
| 3955 | int have_palette = 0, have_size = 0; |
| 3956 | uint32_t palette[16]; |
| 3957 | char *cur = st->codec->extradata; |
| 3958 | |
| 3959 | while (cur && *cur) { |
| 3960 | if (strncmp("palette:", cur, 8) == 0) { |
| 3961 | int i, count; |
| 3962 | count = sscanf(cur + 8, |
| 3963 | "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", " |
| 3964 | "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", " |
| 3965 | "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32", " |
| 3966 | "%06"PRIx32", %06"PRIx32", %06"PRIx32", %06"PRIx32"", |
| 3967 | &palette[ 0], &palette[ 1], &palette[ 2], &palette[ 3], |
| 3968 | &palette[ 4], &palette[ 5], &palette[ 6], &palette[ 7], |
| 3969 | &palette[ 8], &palette[ 9], &palette[10], &palette[11], |
| 3970 | &palette[12], &palette[13], &palette[14], &palette[15]); |
| 3971 | |
| 3972 | for (i = 0; i < count; i++) { |
| 3973 | palette[i] = rgb_to_yuv(palette[i]); |
| 3974 | } |
| 3975 | have_palette = 1; |
| 3976 | } else if (!strncmp("size:", cur, 5)) { |
| 3977 | sscanf(cur + 5, "%dx%d", &width, &height); |
| 3978 | have_size = 1; |
| 3979 | } |
| 3980 | if (have_palette && have_size) |
| 3981 | break; |
| 3982 | cur += strcspn(cur, "\n\r"); |
| 3983 | cur += strspn(cur, "\n\r"); |
| 3984 | } |
| 3985 | if (have_palette) { |
| 3986 | track->vos_data = av_malloc(16*4); |
| 3987 | if (!track->vos_data) |
| 3988 | return AVERROR(ENOMEM); |
| 3989 | for (i = 0; i < 16; i++) { |
| 3990 | AV_WB32(track->vos_data + i * 4, palette[i]); |
| 3991 | } |
| 3992 | track->vos_len = 16 * 4; |
| 3993 | } |
| 3994 | st->codec->width = width; |
| 3995 | st->codec->height = track->height = height; |
| 3996 | |
| 3997 | return 0; |
| 3998 | } |
| 3999 | |
| 4000 | static int mov_write_header(AVFormatContext *s) |
| 4001 | { |
| 4002 | AVIOContext *pb = s->pb; |
| 4003 | MOVMuxContext *mov = s->priv_data; |
| 4004 | AVDictionaryEntry *t, *global_tcr = av_dict_get(s->metadata, "timecode", NULL, 0); |
| 4005 | int i, ret, hint_track = 0, tmcd_track = 0; |
| 4006 | |
| 4007 | mov->fc = s; |
| 4008 | |
| 4009 | /* Default mode == MP4 */ |
| 4010 | mov->mode = MODE_MP4; |
| 4011 | |
| 4012 | if (s->oformat) { |
| 4013 | if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP; |
| 4014 | else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3GP|MODE_3G2; |
| 4015 | else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV; |
| 4016 | else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP; |
| 4017 | else if (!strcmp("ipod",s->oformat->name)) mov->mode = MODE_IPOD; |
| 4018 | else if (!strcmp("ismv",s->oformat->name)) mov->mode = MODE_ISM; |
| 4019 | else if (!strcmp("f4v", s->oformat->name)) mov->mode = MODE_F4V; |
| 4020 | } |
| 4021 | |
| 4022 | if (s->flags & AVFMT_FLAG_BITEXACT) |
| 4023 | mov->exact = 1; |
| 4024 | |
| 4025 | /* Set the FRAGMENT flag if any of the fragmentation methods are |
| 4026 | * enabled. */ |
| 4027 | if (mov->max_fragment_duration || mov->max_fragment_size || |
| 4028 | mov->flags & (FF_MOV_FLAG_EMPTY_MOOV | |
| 4029 | FF_MOV_FLAG_FRAG_KEYFRAME | |
| 4030 | FF_MOV_FLAG_FRAG_CUSTOM)) |
| 4031 | mov->flags |= FF_MOV_FLAG_FRAGMENT; |
| 4032 | |
| 4033 | /* Set other implicit flags immediately */ |
| 4034 | if (mov->mode == MODE_ISM) |
| 4035 | mov->flags |= FF_MOV_FLAG_EMPTY_MOOV | FF_MOV_FLAG_SEPARATE_MOOF | |
| 4036 | FF_MOV_FLAG_FRAGMENT; |
| 4037 | |
| 4038 | /* faststart: moov at the beginning of the file, if supported */ |
| 4039 | if (mov->flags & FF_MOV_FLAG_FASTSTART) { |
| 4040 | if ((mov->flags & FF_MOV_FLAG_FRAGMENT) || |
| 4041 | (s->flags & AVFMT_FLAG_CUSTOM_IO)) { |
| 4042 | av_log(s, AV_LOG_WARNING, "The faststart flag is incompatible " |
| 4043 | "with fragmentation and custom IO, disabling faststart\n"); |
| 4044 | mov->flags &= ~FF_MOV_FLAG_FASTSTART; |
| 4045 | } else |
| 4046 | mov->reserved_moov_size = -1; |
| 4047 | } |
| 4048 | |
| 4049 | if (!supports_edts(mov) && s->avoid_negative_ts < 0) { |
| 4050 | s->avoid_negative_ts = 2; |
| 4051 | } |
| 4052 | |
| 4053 | /* Non-seekable output is ok if using fragmentation. If ism_lookahead |
| 4054 | * is enabled, we don't support non-seekable output at all. */ |
| 4055 | if (!s->pb->seekable && |
| 4056 | (!(mov->flags & FF_MOV_FLAG_FRAGMENT) || mov->ism_lookahead)) { |
| 4057 | av_log(s, AV_LOG_ERROR, "muxer does not support non seekable output\n"); |
| 4058 | return AVERROR(EINVAL); |
| 4059 | } |
| 4060 | |
| 4061 | mov_write_ftyp_tag(pb,s); |
| 4062 | if (mov->mode == MODE_PSP) { |
| 4063 | int video_streams_nb = 0, audio_streams_nb = 0, other_streams_nb = 0; |
| 4064 | for (i = 0; i < s->nb_streams; i++) { |
| 4065 | AVStream *st = s->streams[i]; |
| 4066 | if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) |
| 4067 | video_streams_nb++; |
| 4068 | else if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) |
| 4069 | audio_streams_nb++; |
| 4070 | else |
| 4071 | other_streams_nb++; |
| 4072 | } |
| 4073 | |
| 4074 | if (video_streams_nb != 1 || audio_streams_nb != 1 || other_streams_nb) { |
| 4075 | av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n"); |
| 4076 | return AVERROR(EINVAL); |
| 4077 | } |
| 4078 | mov_write_uuidprof_tag(pb, s); |
| 4079 | } |
| 4080 | |
| 4081 | mov->nb_streams = s->nb_streams; |
| 4082 | if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters) |
| 4083 | mov->chapter_track = mov->nb_streams++; |
| 4084 | |
| 4085 | if (mov->flags & FF_MOV_FLAG_RTP_HINT) { |
| 4086 | /* Add hint tracks for each audio and video stream */ |
| 4087 | hint_track = mov->nb_streams; |
| 4088 | for (i = 0; i < s->nb_streams; i++) { |
| 4089 | AVStream *st = s->streams[i]; |
| 4090 | if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO || |
| 4091 | st->codec->codec_type == AVMEDIA_TYPE_AUDIO) { |
| 4092 | mov->nb_streams++; |
| 4093 | } |
| 4094 | } |
| 4095 | } |
| 4096 | |
| 4097 | if (mov->mode == MODE_MOV) { |
| 4098 | tmcd_track = mov->nb_streams; |
| 4099 | |
| 4100 | /* +1 tmcd track for each video stream with a timecode */ |
| 4101 | for (i = 0; i < s->nb_streams; i++) { |
| 4102 | AVStream *st = s->streams[i]; |
| 4103 | if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && |
| 4104 | (global_tcr || av_dict_get(st->metadata, "timecode", NULL, 0))) |
| 4105 | mov->nb_meta_tmcd++; |
| 4106 | } |
| 4107 | |
| 4108 | /* check if there is already a tmcd track to remux */ |
| 4109 | if (mov->nb_meta_tmcd) { |
| 4110 | for (i = 0; i < s->nb_streams; i++) { |
| 4111 | AVStream *st = s->streams[i]; |
| 4112 | if (st->codec->codec_tag == MKTAG('t','m','c','d')) { |
| 4113 | av_log(s, AV_LOG_WARNING, "You requested a copy of the original timecode track " |
| 4114 | "so timecode metadata are now ignored\n"); |
| 4115 | mov->nb_meta_tmcd = 0; |
| 4116 | } |
| 4117 | } |
| 4118 | } |
| 4119 | |
| 4120 | mov->nb_streams += mov->nb_meta_tmcd; |
| 4121 | } |
| 4122 | |
| 4123 | // Reserve an extra stream for chapters for the case where chapters |
| 4124 | // are written in the trailer |
| 4125 | mov->tracks = av_mallocz_array((mov->nb_streams + 1), sizeof(*mov->tracks)); |
| 4126 | if (!mov->tracks) |
| 4127 | return AVERROR(ENOMEM); |
| 4128 | |
| 4129 | for (i = 0; i < s->nb_streams; i++) { |
| 4130 | AVStream *st= s->streams[i]; |
| 4131 | MOVTrack *track= &mov->tracks[i]; |
| 4132 | AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL,0); |
| 4133 | |
| 4134 | track->st = st; |
| 4135 | track->enc = st->codec; |
| 4136 | track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV); |
| 4137 | if (track->language < 0) |
| 4138 | track->language = 0; |
| 4139 | track->mode = mov->mode; |
| 4140 | track->tag = mov_find_codec_tag(s, track); |
| 4141 | if (!track->tag) { |
| 4142 | av_log(s, AV_LOG_ERROR, "Could not find tag for codec %s in stream #%d, " |
| 4143 | "codec not currently supported in container\n", |
| 4144 | avcodec_get_name(st->codec->codec_id), i); |
| 4145 | ret = AVERROR(EINVAL); |
| 4146 | goto error; |
| 4147 | } |
| 4148 | /* If hinting of this track is enabled by a later hint track, |
| 4149 | * this is updated. */ |
| 4150 | track->hint_track = -1; |
| 4151 | track->start_dts = AV_NOPTS_VALUE; |
| 4152 | if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) { |
| 4153 | if (track->tag == MKTAG('m','x','3','p') || track->tag == MKTAG('m','x','3','n') || |
| 4154 | track->tag == MKTAG('m','x','4','p') || track->tag == MKTAG('m','x','4','n') || |
| 4155 | track->tag == MKTAG('m','x','5','p') || track->tag == MKTAG('m','x','5','n')) { |
| 4156 | if (st->codec->width != 720 || (st->codec->height != 608 && st->codec->height != 512)) { |
| 4157 | av_log(s, AV_LOG_ERROR, "D-10/IMX must use 720x608 or 720x512 video resolution\n"); |
| 4158 | ret = AVERROR(EINVAL); |
| 4159 | goto error; |
| 4160 | } |
| 4161 | track->height = track->tag >> 24 == 'n' ? 486 : 576; |
| 4162 | } |
| 4163 | if (mov->video_track_timescale) { |
| 4164 | track->timescale = mov->video_track_timescale; |
| 4165 | } else { |
| 4166 | track->timescale = st->time_base.den; |
| 4167 | while(track->timescale < 10000) |
| 4168 | track->timescale *= 2; |
| 4169 | } |
| 4170 | if (st->codec->width > 65535 || st->codec->height > 65535) { |
| 4171 | av_log(s, AV_LOG_ERROR, "Resolution %dx%d too large for mov/mp4\n", st->codec->width, st->codec->height); |
| 4172 | ret = AVERROR(EINVAL); |
| 4173 | goto error; |
| 4174 | } |
| 4175 | if (track->mode == MODE_MOV && track->timescale > 100000) |
| 4176 | av_log(s, AV_LOG_WARNING, |
| 4177 | "WARNING codec timebase is very high. If duration is too long,\n" |
| 4178 | "file may not be playable by quicktime. Specify a shorter timebase\n" |
| 4179 | "or choose different container.\n"); |
| 4180 | } else if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) { |
| 4181 | track->timescale = st->codec->sample_rate; |
| 4182 | if (!st->codec->frame_size && !av_get_bits_per_sample(st->codec->codec_id)) { |
| 4183 | av_log(s, AV_LOG_WARNING, "track %d: codec frame size is not set\n", i); |
| 4184 | track->audio_vbr = 1; |
| 4185 | }else if (st->codec->codec_id == AV_CODEC_ID_ADPCM_MS || |
| 4186 | st->codec->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV || |
| 4187 | st->codec->codec_id == AV_CODEC_ID_ILBC){ |
| 4188 | if (!st->codec->block_align) { |
| 4189 | av_log(s, AV_LOG_ERROR, "track %d: codec block align is not set for adpcm\n", i); |
| 4190 | ret = AVERROR(EINVAL); |
| 4191 | goto error; |
| 4192 | } |
| 4193 | track->sample_size = st->codec->block_align; |
| 4194 | }else if (st->codec->frame_size > 1){ /* assume compressed audio */ |
| 4195 | track->audio_vbr = 1; |
| 4196 | }else{ |
| 4197 | track->sample_size = (av_get_bits_per_sample(st->codec->codec_id) >> 3) * st->codec->channels; |
| 4198 | } |
| 4199 | if (st->codec->codec_id == AV_CODEC_ID_ILBC || |
| 4200 | st->codec->codec_id == AV_CODEC_ID_ADPCM_IMA_QT) { |
| 4201 | track->audio_vbr = 1; |
| 4202 | } |
| 4203 | if (track->mode != MODE_MOV && |
| 4204 | track->enc->codec_id == AV_CODEC_ID_MP3 && track->timescale < 16000) { |
| 4205 | av_log(s, AV_LOG_ERROR, "track %d: muxing mp3 at %dhz is not supported\n", |
| 4206 | i, track->enc->sample_rate); |
| 4207 | ret = AVERROR(EINVAL); |
| 4208 | goto error; |
| 4209 | } |
| 4210 | } else if (st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) { |
| 4211 | track->timescale = st->time_base.den; |
| 4212 | } else if (st->codec->codec_type == AVMEDIA_TYPE_DATA) { |
| 4213 | track->timescale = st->time_base.den; |
| 4214 | } else { |
| 4215 | track->timescale = MOV_TIMESCALE; |
| 4216 | } |
| 4217 | if (!track->height) |
| 4218 | track->height = st->codec->height; |
| 4219 | /* The ism specific timescale isn't mandatory, but is assumed by |
| 4220 | * some tools, such as mp4split. */ |
| 4221 | if (mov->mode == MODE_ISM) |
| 4222 | track->timescale = 10000000; |
| 4223 | |
| 4224 | avpriv_set_pts_info(st, 64, 1, track->timescale); |
| 4225 | |
| 4226 | /* copy extradata if it exists */ |
| 4227 | if (st->codec->extradata_size) { |
| 4228 | if (st->codec->codec_id == AV_CODEC_ID_DVD_SUBTITLE) |
| 4229 | mov_create_dvd_sub_decoder_specific_info(track, st); |
| 4230 | else { |
| 4231 | track->vos_len = st->codec->extradata_size; |
| 4232 | track->vos_data = av_malloc(track->vos_len); |
| 4233 | memcpy(track->vos_data, st->codec->extradata, track->vos_len); |
| 4234 | } |
| 4235 | } |
| 4236 | } |
| 4237 | |
| 4238 | for (i = 0; i < s->nb_streams; i++) { |
| 4239 | int j; |
| 4240 | AVStream *st= s->streams[i]; |
| 4241 | MOVTrack *track= &mov->tracks[i]; |
| 4242 | |
| 4243 | if (st->codec->codec_type != AVMEDIA_TYPE_AUDIO || |
| 4244 | track->enc->channel_layout != AV_CH_LAYOUT_MONO) |
| 4245 | continue; |
| 4246 | |
| 4247 | for (j = 0; j < s->nb_streams; j++) { |
| 4248 | AVStream *stj= s->streams[j]; |
| 4249 | MOVTrack *trackj= &mov->tracks[j]; |
| 4250 | if (j == i) |
| 4251 | continue; |
| 4252 | |
| 4253 | if (stj->codec->codec_type != AVMEDIA_TYPE_AUDIO || |
| 4254 | trackj->enc->channel_layout != AV_CH_LAYOUT_MONO || |
| 4255 | trackj->language != track->language || |
| 4256 | trackj->tag != track->tag |
| 4257 | ) |
| 4258 | continue; |
| 4259 | track->multichannel_as_mono++; |
| 4260 | } |
| 4261 | } |
| 4262 | |
| 4263 | enable_tracks(s); |
| 4264 | |
| 4265 | |
| 4266 | if (mov->reserved_moov_size){ |
| 4267 | mov->reserved_moov_pos= avio_tell(pb); |
| 4268 | if (mov->reserved_moov_size > 0) |
| 4269 | avio_skip(pb, mov->reserved_moov_size); |
| 4270 | } |
| 4271 | |
| 4272 | if (mov->flags & FF_MOV_FLAG_FRAGMENT) { |
| 4273 | /* If no fragmentation options have been set, set a default. */ |
| 4274 | if (!(mov->flags & (FF_MOV_FLAG_FRAG_KEYFRAME | |
| 4275 | FF_MOV_FLAG_FRAG_CUSTOM)) && |
| 4276 | !mov->max_fragment_duration && !mov->max_fragment_size) |
| 4277 | mov->flags |= FF_MOV_FLAG_FRAG_KEYFRAME; |
| 4278 | } else { |
| 4279 | if (mov->flags & FF_MOV_FLAG_FASTSTART) |
| 4280 | mov->reserved_moov_pos = avio_tell(pb); |
| 4281 | mov_write_mdat_tag(pb, mov); |
| 4282 | } |
| 4283 | |
| 4284 | if (t = av_dict_get(s->metadata, "creation_time", NULL, 0)) |
| 4285 | mov->time = ff_iso8601_to_unix_time(t->value); |
| 4286 | if (mov->time) |
| 4287 | mov->time += 0x7C25B080; // 1970 based -> 1904 based |
| 4288 | |
| 4289 | if (mov->chapter_track) |
| 4290 | if ((ret = mov_create_chapter_track(s, mov->chapter_track)) < 0) |
| 4291 | goto error; |
| 4292 | |
| 4293 | if (mov->flags & FF_MOV_FLAG_RTP_HINT) { |
| 4294 | /* Initialize the hint tracks for each audio and video stream */ |
| 4295 | for (i = 0; i < s->nb_streams; i++) { |
| 4296 | AVStream *st = s->streams[i]; |
| 4297 | if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO || |
| 4298 | st->codec->codec_type == AVMEDIA_TYPE_AUDIO) { |
| 4299 | if ((ret = ff_mov_init_hinting(s, hint_track, i)) < 0) |
| 4300 | goto error; |
| 4301 | hint_track++; |
| 4302 | } |
| 4303 | } |
| 4304 | } |
| 4305 | |
| 4306 | if (mov->nb_meta_tmcd) { |
| 4307 | /* Initialize the tmcd tracks */ |
| 4308 | for (i = 0; i < s->nb_streams; i++) { |
| 4309 | AVStream *st = s->streams[i]; |
| 4310 | t = global_tcr; |
| 4311 | |
| 4312 | if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) { |
| 4313 | if (!t) |
| 4314 | t = av_dict_get(st->metadata, "timecode", NULL, 0); |
| 4315 | if (!t) |
| 4316 | continue; |
| 4317 | if ((ret = mov_create_timecode_track(s, tmcd_track, i, t->value)) < 0) |
| 4318 | goto error; |
| 4319 | tmcd_track++; |
| 4320 | } |
| 4321 | } |
| 4322 | } |
| 4323 | |
| 4324 | avio_flush(pb); |
| 4325 | |
| 4326 | if (mov->flags & FF_MOV_FLAG_ISML) |
| 4327 | mov_write_isml_manifest(pb, mov); |
| 4328 | |
| 4329 | if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV) { |
| 4330 | mov_write_moov_tag(pb, mov, s); |
| 4331 | mov->fragments++; |
| 4332 | } |
| 4333 | |
| 4334 | return 0; |
| 4335 | error: |
| 4336 | mov_free(s); |
| 4337 | return ret; |
| 4338 | } |
| 4339 | |
| 4340 | static int get_moov_size(AVFormatContext *s) |
| 4341 | { |
| 4342 | int ret; |
| 4343 | AVIOContext *moov_buf; |
| 4344 | MOVMuxContext *mov = s->priv_data; |
| 4345 | |
| 4346 | if ((ret = ffio_open_null_buf(&moov_buf)) < 0) |
| 4347 | return ret; |
| 4348 | mov_write_moov_tag(moov_buf, mov, s); |
| 4349 | return ffio_close_null_buf(moov_buf); |
| 4350 | } |
| 4351 | |
| 4352 | /* |
| 4353 | * This function gets the moov size if moved to the top of the file: the chunk |
| 4354 | * offset table can switch between stco (32-bit entries) to co64 (64-bit |
| 4355 | * entries) when the moov is moved to the beginning, so the size of the moov |
| 4356 | * would change. It also updates the chunk offset tables. |
| 4357 | */ |
| 4358 | static int compute_moov_size(AVFormatContext *s) |
| 4359 | { |
| 4360 | int i, moov_size, moov_size2; |
| 4361 | MOVMuxContext *mov = s->priv_data; |
| 4362 | |
| 4363 | moov_size = get_moov_size(s); |
| 4364 | if (moov_size < 0) |
| 4365 | return moov_size; |
| 4366 | |
| 4367 | for (i = 0; i < mov->nb_streams; i++) |
| 4368 | mov->tracks[i].data_offset += moov_size; |
| 4369 | |
| 4370 | moov_size2 = get_moov_size(s); |
| 4371 | if (moov_size2 < 0) |
| 4372 | return moov_size2; |
| 4373 | |
| 4374 | /* if the size changed, we just switched from stco to co64 and need to |
| 4375 | * update the offsets */ |
| 4376 | if (moov_size2 != moov_size) |
| 4377 | for (i = 0; i < mov->nb_streams; i++) |
| 4378 | mov->tracks[i].data_offset += moov_size2 - moov_size; |
| 4379 | |
| 4380 | return moov_size2; |
| 4381 | } |
| 4382 | |
| 4383 | static int shift_data(AVFormatContext *s) |
| 4384 | { |
| 4385 | int ret = 0, moov_size; |
| 4386 | MOVMuxContext *mov = s->priv_data; |
| 4387 | int64_t pos, pos_end = avio_tell(s->pb); |
| 4388 | uint8_t *buf, *read_buf[2]; |
| 4389 | int read_buf_id = 0; |
| 4390 | int read_size[2]; |
| 4391 | AVIOContext *read_pb; |
| 4392 | |
| 4393 | moov_size = compute_moov_size(s); |
| 4394 | if (moov_size < 0) |
| 4395 | return moov_size; |
| 4396 | |
| 4397 | buf = av_malloc(moov_size * 2); |
| 4398 | if (!buf) |
| 4399 | return AVERROR(ENOMEM); |
| 4400 | read_buf[0] = buf; |
| 4401 | read_buf[1] = buf + moov_size; |
| 4402 | |
| 4403 | /* Shift the data: the AVIO context of the output can only be used for |
| 4404 | * writing, so we re-open the same output, but for reading. It also avoids |
| 4405 | * a read/seek/write/seek back and forth. */ |
| 4406 | avio_flush(s->pb); |
| 4407 | ret = avio_open(&read_pb, s->filename, AVIO_FLAG_READ); |
| 4408 | if (ret < 0) { |
| 4409 | av_log(s, AV_LOG_ERROR, "Unable to re-open %s output file for " |
| 4410 | "the second pass (faststart)\n", s->filename); |
| 4411 | goto end; |
| 4412 | } |
| 4413 | |
| 4414 | /* mark the end of the shift to up to the last data we wrote, and get ready |
| 4415 | * for writing */ |
| 4416 | pos_end = avio_tell(s->pb); |
| 4417 | avio_seek(s->pb, mov->reserved_moov_pos + moov_size, SEEK_SET); |
| 4418 | |
| 4419 | /* start reading at where the new moov will be placed */ |
| 4420 | avio_seek(read_pb, mov->reserved_moov_pos, SEEK_SET); |
| 4421 | pos = avio_tell(read_pb); |
| 4422 | |
| 4423 | #define READ_BLOCK do { \ |
| 4424 | read_size[read_buf_id] = avio_read(read_pb, read_buf[read_buf_id], moov_size); \ |
| 4425 | read_buf_id ^= 1; \ |
| 4426 | } while (0) |
| 4427 | |
| 4428 | /* shift data by chunk of at most moov_size */ |
| 4429 | READ_BLOCK; |
| 4430 | do { |
| 4431 | int n; |
| 4432 | READ_BLOCK; |
| 4433 | n = read_size[read_buf_id]; |
| 4434 | if (n <= 0) |
| 4435 | break; |
| 4436 | avio_write(s->pb, read_buf[read_buf_id], n); |
| 4437 | pos += n; |
| 4438 | } while (pos < pos_end); |
| 4439 | avio_close(read_pb); |
| 4440 | |
| 4441 | end: |
| 4442 | av_free(buf); |
| 4443 | return ret; |
| 4444 | } |
| 4445 | |
| 4446 | static int mov_write_trailer(AVFormatContext *s) |
| 4447 | { |
| 4448 | MOVMuxContext *mov = s->priv_data; |
| 4449 | AVIOContext *pb = s->pb; |
| 4450 | int res = 0; |
| 4451 | int i; |
| 4452 | int64_t moov_pos; |
| 4453 | |
| 4454 | /* |
| 4455 | * Before actually writing the trailer, make sure that there are no |
| 4456 | * dangling subtitles, that need a terminating sample. |
| 4457 | */ |
| 4458 | for (i = 0; i < mov->nb_streams; i++) { |
| 4459 | MOVTrack *trk = &mov->tracks[i]; |
| 4460 | if (trk->enc->codec_id == AV_CODEC_ID_MOV_TEXT && |
| 4461 | !trk->last_sample_is_subtitle_end) { |
| 4462 | mov_write_subtitle_end_packet(s, i, trk->track_duration); |
| 4463 | trk->last_sample_is_subtitle_end = 1; |
| 4464 | } |
| 4465 | } |
| 4466 | |
| 4467 | // If there were no chapters when the header was written, but there |
| 4468 | // are chapters now, write them in the trailer. This only works |
| 4469 | // when we are not doing fragments. |
| 4470 | if (!mov->chapter_track && !(mov->flags & FF_MOV_FLAG_FRAGMENT)) { |
| 4471 | if (mov->mode & (MODE_MP4|MODE_MOV|MODE_IPOD) && s->nb_chapters) { |
| 4472 | mov->chapter_track = mov->nb_streams++; |
| 4473 | if ((res = mov_create_chapter_track(s, mov->chapter_track)) < 0) |
| 4474 | goto error; |
| 4475 | } |
| 4476 | } |
| 4477 | |
| 4478 | if (!(mov->flags & FF_MOV_FLAG_FRAGMENT)) { |
| 4479 | moov_pos = avio_tell(pb); |
| 4480 | |
| 4481 | /* Write size of mdat tag */ |
| 4482 | if (mov->mdat_size + 8 <= UINT32_MAX) { |
| 4483 | avio_seek(pb, mov->mdat_pos, SEEK_SET); |
| 4484 | avio_wb32(pb, mov->mdat_size + 8); |
| 4485 | } else { |
| 4486 | /* overwrite 'wide' placeholder atom */ |
| 4487 | avio_seek(pb, mov->mdat_pos - 8, SEEK_SET); |
| 4488 | /* special value: real atom size will be 64 bit value after |
| 4489 | * tag field */ |
| 4490 | avio_wb32(pb, 1); |
| 4491 | ffio_wfourcc(pb, "mdat"); |
| 4492 | avio_wb64(pb, mov->mdat_size + 16); |
| 4493 | } |
| 4494 | avio_seek(pb, mov->reserved_moov_size > 0 ? mov->reserved_moov_pos : moov_pos, SEEK_SET); |
| 4495 | |
| 4496 | if (mov->flags & FF_MOV_FLAG_FASTSTART) { |
| 4497 | av_log(s, AV_LOG_INFO, "Starting second pass: moving the moov atom to the beginning of the file\n"); |
| 4498 | res = shift_data(s); |
| 4499 | if (res == 0) { |
| 4500 | avio_seek(s->pb, mov->reserved_moov_pos, SEEK_SET); |
| 4501 | mov_write_moov_tag(pb, mov, s); |
| 4502 | } |
| 4503 | } else if (mov->reserved_moov_size > 0) { |
| 4504 | int64_t size; |
| 4505 | mov_write_moov_tag(pb, mov, s); |
| 4506 | size = mov->reserved_moov_size - (avio_tell(pb) - mov->reserved_moov_pos); |
| 4507 | if (size < 8){ |
| 4508 | av_log(s, AV_LOG_ERROR, "reserved_moov_size is too small, needed %"PRId64" additional\n", 8-size); |
| 4509 | return -1; |
| 4510 | } |
| 4511 | avio_wb32(pb, size); |
| 4512 | ffio_wfourcc(pb, "free"); |
| 4513 | ffio_fill(pb, 0, size - 8); |
| 4514 | avio_seek(pb, moov_pos, SEEK_SET); |
| 4515 | } else { |
| 4516 | mov_write_moov_tag(pb, mov, s); |
| 4517 | } |
| 4518 | } else { |
| 4519 | mov_flush_fragment(s); |
| 4520 | mov_write_mfra_tag(pb, mov); |
| 4521 | } |
| 4522 | |
| 4523 | for (i = 0; i < mov->nb_streams; i++) { |
| 4524 | if (mov->flags & FF_MOV_FLAG_FRAGMENT && |
| 4525 | mov->tracks[i].vc1_info.struct_offset && s->pb->seekable) { |
| 4526 | int64_t off = avio_tell(pb); |
| 4527 | uint8_t buf[7]; |
| 4528 | if (mov_write_dvc1_structs(&mov->tracks[i], buf) >= 0) { |
| 4529 | avio_seek(pb, mov->tracks[i].vc1_info.struct_offset, SEEK_SET); |
| 4530 | avio_write(pb, buf, 7); |
| 4531 | avio_seek(pb, off, SEEK_SET); |
| 4532 | } |
| 4533 | } |
| 4534 | } |
| 4535 | |
| 4536 | error: |
| 4537 | mov_free(s); |
| 4538 | |
| 4539 | return res; |
| 4540 | } |
| 4541 | |
| 4542 | #if CONFIG_MOV_MUXER |
| 4543 | MOV_CLASS(mov) |
| 4544 | AVOutputFormat ff_mov_muxer = { |
| 4545 | .name = "mov", |
| 4546 | .long_name = NULL_IF_CONFIG_SMALL("QuickTime / MOV"), |
| 4547 | .extensions = "mov", |
| 4548 | .priv_data_size = sizeof(MOVMuxContext), |
| 4549 | .audio_codec = AV_CODEC_ID_AAC, |
| 4550 | .video_codec = CONFIG_LIBX264_ENCODER ? |
| 4551 | AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4, |
| 4552 | .write_header = mov_write_header, |
| 4553 | .write_packet = mov_write_packet, |
| 4554 | .write_trailer = mov_write_trailer, |
| 4555 | .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE, |
| 4556 | .codec_tag = (const AVCodecTag* const []){ |
| 4557 | ff_codec_movvideo_tags, ff_codec_movaudio_tags, 0 |
| 4558 | }, |
| 4559 | .priv_class = &mov_muxer_class, |
| 4560 | }; |
| 4561 | #endif |
| 4562 | #if CONFIG_TGP_MUXER |
| 4563 | MOV_CLASS(tgp) |
| 4564 | AVOutputFormat ff_tgp_muxer = { |
| 4565 | .name = "3gp", |
| 4566 | .long_name = NULL_IF_CONFIG_SMALL("3GP (3GPP file format)"), |
| 4567 | .extensions = "3gp", |
| 4568 | .priv_data_size = sizeof(MOVMuxContext), |
| 4569 | .audio_codec = AV_CODEC_ID_AMR_NB, |
| 4570 | .video_codec = AV_CODEC_ID_H263, |
| 4571 | .write_header = mov_write_header, |
| 4572 | .write_packet = mov_write_packet, |
| 4573 | .write_trailer = mov_write_trailer, |
| 4574 | .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE, |
| 4575 | .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 }, |
| 4576 | .priv_class = &tgp_muxer_class, |
| 4577 | }; |
| 4578 | #endif |
| 4579 | #if CONFIG_MP4_MUXER |
| 4580 | MOV_CLASS(mp4) |
| 4581 | AVOutputFormat ff_mp4_muxer = { |
| 4582 | .name = "mp4", |
| 4583 | .long_name = NULL_IF_CONFIG_SMALL("MP4 (MPEG-4 Part 14)"), |
| 4584 | .mime_type = "application/mp4", |
| 4585 | .extensions = "mp4", |
| 4586 | .priv_data_size = sizeof(MOVMuxContext), |
| 4587 | .audio_codec = AV_CODEC_ID_AAC, |
| 4588 | .video_codec = CONFIG_LIBX264_ENCODER ? |
| 4589 | AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4, |
| 4590 | .write_header = mov_write_header, |
| 4591 | .write_packet = mov_write_packet, |
| 4592 | .write_trailer = mov_write_trailer, |
| 4593 | .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE, |
| 4594 | .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 }, |
| 4595 | .priv_class = &mp4_muxer_class, |
| 4596 | }; |
| 4597 | #endif |
| 4598 | #if CONFIG_PSP_MUXER |
| 4599 | MOV_CLASS(psp) |
| 4600 | AVOutputFormat ff_psp_muxer = { |
| 4601 | .name = "psp", |
| 4602 | .long_name = NULL_IF_CONFIG_SMALL("PSP MP4 (MPEG-4 Part 14)"), |
| 4603 | .extensions = "mp4,psp", |
| 4604 | .priv_data_size = sizeof(MOVMuxContext), |
| 4605 | .audio_codec = AV_CODEC_ID_AAC, |
| 4606 | .video_codec = CONFIG_LIBX264_ENCODER ? |
| 4607 | AV_CODEC_ID_H264 : AV_CODEC_ID_MPEG4, |
| 4608 | .write_header = mov_write_header, |
| 4609 | .write_packet = mov_write_packet, |
| 4610 | .write_trailer = mov_write_trailer, |
| 4611 | .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE, |
| 4612 | .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 }, |
| 4613 | .priv_class = &psp_muxer_class, |
| 4614 | }; |
| 4615 | #endif |
| 4616 | #if CONFIG_TG2_MUXER |
| 4617 | MOV_CLASS(tg2) |
| 4618 | AVOutputFormat ff_tg2_muxer = { |
| 4619 | .name = "3g2", |
| 4620 | .long_name = NULL_IF_CONFIG_SMALL("3GP2 (3GPP2 file format)"), |
| 4621 | .extensions = "3g2", |
| 4622 | .priv_data_size = sizeof(MOVMuxContext), |
| 4623 | .audio_codec = AV_CODEC_ID_AMR_NB, |
| 4624 | .video_codec = AV_CODEC_ID_H263, |
| 4625 | .write_header = mov_write_header, |
| 4626 | .write_packet = mov_write_packet, |
| 4627 | .write_trailer = mov_write_trailer, |
| 4628 | .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE, |
| 4629 | .codec_tag = (const AVCodecTag* const []){ codec_3gp_tags, 0 }, |
| 4630 | .priv_class = &tg2_muxer_class, |
| 4631 | }; |
| 4632 | #endif |
| 4633 | #if CONFIG_IPOD_MUXER |
| 4634 | MOV_CLASS(ipod) |
| 4635 | AVOutputFormat ff_ipod_muxer = { |
| 4636 | .name = "ipod", |
| 4637 | .long_name = NULL_IF_CONFIG_SMALL("iPod H.264 MP4 (MPEG-4 Part 14)"), |
| 4638 | .mime_type = "application/mp4", |
| 4639 | .extensions = "m4v,m4a", |
| 4640 | .priv_data_size = sizeof(MOVMuxContext), |
| 4641 | .audio_codec = AV_CODEC_ID_AAC, |
| 4642 | .video_codec = AV_CODEC_ID_H264, |
| 4643 | .write_header = mov_write_header, |
| 4644 | .write_packet = mov_write_packet, |
| 4645 | .write_trailer = mov_write_trailer, |
| 4646 | .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE, |
| 4647 | .codec_tag = (const AVCodecTag* const []){ codec_ipod_tags, 0 }, |
| 4648 | .priv_class = &ipod_muxer_class, |
| 4649 | }; |
| 4650 | #endif |
| 4651 | #if CONFIG_ISMV_MUXER |
| 4652 | MOV_CLASS(ismv) |
| 4653 | AVOutputFormat ff_ismv_muxer = { |
| 4654 | .name = "ismv", |
| 4655 | .long_name = NULL_IF_CONFIG_SMALL("ISMV/ISMA (Smooth Streaming)"), |
| 4656 | .mime_type = "application/mp4", |
| 4657 | .extensions = "ismv,isma", |
| 4658 | .priv_data_size = sizeof(MOVMuxContext), |
| 4659 | .audio_codec = AV_CODEC_ID_AAC, |
| 4660 | .video_codec = AV_CODEC_ID_H264, |
| 4661 | .write_header = mov_write_header, |
| 4662 | .write_packet = mov_write_packet, |
| 4663 | .write_trailer = mov_write_trailer, |
| 4664 | .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH | AVFMT_TS_NEGATIVE, |
| 4665 | .codec_tag = (const AVCodecTag* const []){ ff_mp4_obj_type, 0 }, |
| 4666 | .priv_class = &ismv_muxer_class, |
| 4667 | }; |
| 4668 | #endif |
| 4669 | #if CONFIG_F4V_MUXER |
| 4670 | MOV_CLASS(f4v) |
| 4671 | AVOutputFormat ff_f4v_muxer = { |
| 4672 | .name = "f4v", |
| 4673 | .long_name = NULL_IF_CONFIG_SMALL("F4V Adobe Flash Video"), |
| 4674 | .mime_type = "application/f4v", |
| 4675 | .extensions = "f4v", |
| 4676 | .priv_data_size = sizeof(MOVMuxContext), |
| 4677 | .audio_codec = AV_CODEC_ID_AAC, |
| 4678 | .video_codec = AV_CODEC_ID_H264, |
| 4679 | .write_header = mov_write_header, |
| 4680 | .write_packet = mov_write_packet, |
| 4681 | .write_trailer = mov_write_trailer, |
| 4682 | .flags = AVFMT_GLOBALHEADER | AVFMT_ALLOW_FLUSH, |
| 4683 | .codec_tag = (const AVCodecTag* const []){ codec_f4v_tags, 0 }, |
| 4684 | .priv_class = &f4v_muxer_class, |
| 4685 | }; |
| 4686 | #endif |