ffmpeg / libavformat / movenc.c @ dcfdb046
History | View | Annotate | Download (48.3 KB)
| 1 |
/*
|
|---|---|
| 2 |
* MOV, 3GP, MP4 encoder.
|
| 3 |
* Copyright (c) 2003 Thomas Raivio.
|
| 4 |
* Copyright (c) 2004 Gildas Bazin <gbazin at videolan dot org>.
|
| 5 |
*
|
| 6 |
* This library is free software; you can redistribute it and/or
|
| 7 |
* modify it under the terms of the GNU Lesser General Public
|
| 8 |
* License as published by the Free Software Foundation; either
|
| 9 |
* version 2 of the License, or (at your option) any later version.
|
| 10 |
*
|
| 11 |
* This library is distributed in the hope that it will be useful,
|
| 12 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
| 13 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
| 14 |
* Lesser General Public License for more details.
|
| 15 |
*
|
| 16 |
* You should have received a copy of the GNU Lesser General Public
|
| 17 |
* License along with this library; if not, write to the Free Software
|
| 18 |
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
| 19 |
*/
|
| 20 |
#include "avformat.h" |
| 21 |
#include "avi.h" |
| 22 |
#include "avio.h" |
| 23 |
|
| 24 |
#undef NDEBUG
|
| 25 |
#include <assert.h> |
| 26 |
|
| 27 |
#define MOV_INDEX_CLUSTER_SIZE 16384 |
| 28 |
#define globalTimescale 1000 |
| 29 |
|
| 30 |
#define MODE_MP4 0 |
| 31 |
#define MODE_MOV 1 |
| 32 |
#define MODE_3GP 2 |
| 33 |
#define MODE_PSP 3 // example working PSP command line: |
| 34 |
// ffmpeg -i testinput.avi -f psp -r 14.985 -s 320x240 -b 768 -ar 24000 -ab 32 M4V00001.MP4
|
| 35 |
#define MODE_3G2 4 |
| 36 |
|
| 37 |
typedef struct MOVIentry { |
| 38 |
unsigned int flags, size; |
| 39 |
uint64_t pos; |
| 40 |
unsigned int samplesInChunk; |
| 41 |
char key_frame;
|
| 42 |
unsigned int entries; |
| 43 |
} MOVIentry; |
| 44 |
|
| 45 |
typedef struct MOVIndex { |
| 46 |
int mode;
|
| 47 |
int entry;
|
| 48 |
uint64_t mdat_size; |
| 49 |
int ents_allocated;
|
| 50 |
long timescale;
|
| 51 |
long time;
|
| 52 |
long trackDuration;
|
| 53 |
long sampleCount;
|
| 54 |
long sampleDuration;
|
| 55 |
int hasKeyframes;
|
| 56 |
int language;
|
| 57 |
int trackID;
|
| 58 |
AVCodecContext *enc; |
| 59 |
|
| 60 |
int vosLen;
|
| 61 |
uint8_t *vosData; |
| 62 |
MOVIentry** cluster; |
| 63 |
} MOVTrack; |
| 64 |
|
| 65 |
typedef struct MOVContext { |
| 66 |
int mode;
|
| 67 |
long time;
|
| 68 |
int nb_streams;
|
| 69 |
int mdat_written;
|
| 70 |
offset_t mdat_pos; |
| 71 |
long timescale;
|
| 72 |
MOVTrack tracks[MAX_STREAMS]; |
| 73 |
} MOVContext; |
| 74 |
|
| 75 |
static int mov_write_esds_tag(ByteIOContext *pb, MOVTrack* track); |
| 76 |
|
| 77 |
/* output language code from iso639 language name */
|
| 78 |
extern int ff_mov_iso639_to_lang(const char *lang, int mp4); |
| 79 |
|
| 80 |
const CodecTag ff_mov_obj_type[] = {
|
| 81 |
{ CODEC_ID_MPEG4 , 32 },
|
| 82 |
{ CODEC_ID_AAC , 64 },
|
| 83 |
{ CODEC_ID_MPEG1VIDEO, 106 },
|
| 84 |
{ CODEC_ID_MPEG2VIDEO, 96 },//mpeg2 profiles
|
| 85 |
{ CODEC_ID_MP2 , 107 },//FIXME mpeg2 mpeg audio -> 105
|
| 86 |
{ CODEC_ID_MP3 , 107 },//FIXME mpeg2 mpeg audio -> 105
|
| 87 |
{ CODEC_ID_H264 , 33 },
|
| 88 |
{ CODEC_ID_H263 , 242 },
|
| 89 |
{ CODEC_ID_H261 , 243 },
|
| 90 |
{ CODEC_ID_MJPEG , 108 },
|
| 91 |
{ CODEC_ID_PCM_S16LE , 224 },
|
| 92 |
{ CODEC_ID_VORBIS , 225 },
|
| 93 |
{ CODEC_ID_AC3 , 226 },
|
| 94 |
{ CODEC_ID_PCM_ALAW , 227 },
|
| 95 |
{ CODEC_ID_PCM_MULAW , 228 },
|
| 96 |
{ CODEC_ID_PCM_S16BE , 230 },
|
| 97 |
{ 0,0 },
|
| 98 |
}; |
| 99 |
|
| 100 |
//FIXME supprt 64bit varaint with wide placeholders
|
| 101 |
static offset_t updateSize (ByteIOContext *pb, offset_t pos)
|
| 102 |
{
|
| 103 |
offset_t curpos = url_ftell(pb); |
| 104 |
url_fseek(pb, pos, SEEK_SET); |
| 105 |
put_be32(pb, curpos - pos); /* rewrite size */
|
| 106 |
url_fseek(pb, curpos, SEEK_SET); |
| 107 |
|
| 108 |
return curpos - pos;
|
| 109 |
} |
| 110 |
|
| 111 |
/* Chunk offset atom */
|
| 112 |
static int mov_write_stco_tag(ByteIOContext *pb, MOVTrack* track) |
| 113 |
{
|
| 114 |
int i;
|
| 115 |
int mode64 = 0; // use 32 bit size variant if possible |
| 116 |
offset_t pos = url_ftell(pb); |
| 117 |
put_be32(pb, 0); /* size */ |
| 118 |
if (pos > UINT32_MAX) {
|
| 119 |
mode64 = 1;
|
| 120 |
put_tag(pb, "co64");
|
| 121 |
} else
|
| 122 |
put_tag(pb, "stco");
|
| 123 |
put_be32(pb, 0); /* version & flags */ |
| 124 |
put_be32(pb, track->entry); /* entry count */
|
| 125 |
for (i=0; i<track->entry; i++) { |
| 126 |
int cl = i / MOV_INDEX_CLUSTER_SIZE;
|
| 127 |
int id = i % MOV_INDEX_CLUSTER_SIZE;
|
| 128 |
if(mode64 == 1) |
| 129 |
put_be64(pb, track->cluster[cl][id].pos); |
| 130 |
else
|
| 131 |
put_be32(pb, track->cluster[cl][id].pos); |
| 132 |
} |
| 133 |
return updateSize (pb, pos);
|
| 134 |
} |
| 135 |
|
| 136 |
/* Sample size atom */
|
| 137 |
static int mov_write_stsz_tag(ByteIOContext *pb, MOVTrack* track) |
| 138 |
{
|
| 139 |
int equalChunks = 1; |
| 140 |
int i, j, entries = 0, tst = -1, oldtst = -1; |
| 141 |
|
| 142 |
offset_t pos = url_ftell(pb); |
| 143 |
put_be32(pb, 0); /* size */ |
| 144 |
put_tag(pb, "stsz");
|
| 145 |
put_be32(pb, 0); /* version & flags */ |
| 146 |
|
| 147 |
for (i=0; i<track->entry; i++) { |
| 148 |
int cl = i / MOV_INDEX_CLUSTER_SIZE;
|
| 149 |
int id = i % MOV_INDEX_CLUSTER_SIZE;
|
| 150 |
tst = track->cluster[cl][id].size/track->cluster[cl][id].entries; |
| 151 |
if(oldtst != -1 && tst != oldtst) { |
| 152 |
equalChunks = 0;
|
| 153 |
} |
| 154 |
oldtst = tst; |
| 155 |
entries += track->cluster[cl][id].entries; |
| 156 |
} |
| 157 |
if (equalChunks) {
|
| 158 |
int sSize = track->cluster[0][0].size/track->cluster[0][0].entries; |
| 159 |
put_be32(pb, sSize); // sample size
|
| 160 |
put_be32(pb, entries); // sample count
|
| 161 |
} |
| 162 |
else {
|
| 163 |
put_be32(pb, 0); // sample size |
| 164 |
put_be32(pb, entries); // sample count
|
| 165 |
for (i=0; i<track->entry; i++) { |
| 166 |
int cl = i / MOV_INDEX_CLUSTER_SIZE;
|
| 167 |
int id = i % MOV_INDEX_CLUSTER_SIZE;
|
| 168 |
for ( j=0; j<track->cluster[cl][id].entries; j++) { |
| 169 |
put_be32(pb, track->cluster[cl][id].size / |
| 170 |
track->cluster[cl][id].entries); |
| 171 |
} |
| 172 |
} |
| 173 |
} |
| 174 |
return updateSize (pb, pos);
|
| 175 |
} |
| 176 |
|
| 177 |
/* Sample to chunk atom */
|
| 178 |
static int mov_write_stsc_tag(ByteIOContext *pb, MOVTrack* track) |
| 179 |
{
|
| 180 |
int index = 0, oldval = -1, i; |
| 181 |
offset_t entryPos, curpos; |
| 182 |
|
| 183 |
offset_t pos = url_ftell(pb); |
| 184 |
put_be32(pb, 0); /* size */ |
| 185 |
put_tag(pb, "stsc");
|
| 186 |
put_be32(pb, 0); // version & flags |
| 187 |
entryPos = url_ftell(pb); |
| 188 |
put_be32(pb, track->entry); // entry count
|
| 189 |
for (i=0; i<track->entry; i++) { |
| 190 |
int cl = i / MOV_INDEX_CLUSTER_SIZE;
|
| 191 |
int id = i % MOV_INDEX_CLUSTER_SIZE;
|
| 192 |
if(oldval != track->cluster[cl][id].samplesInChunk)
|
| 193 |
{
|
| 194 |
put_be32(pb, i+1); // first chunk |
| 195 |
put_be32(pb, track->cluster[cl][id].samplesInChunk); // samples per chunk
|
| 196 |
put_be32(pb, 0x1); // sample description index |
| 197 |
oldval = track->cluster[cl][id].samplesInChunk; |
| 198 |
index++; |
| 199 |
} |
| 200 |
} |
| 201 |
curpos = url_ftell(pb); |
| 202 |
url_fseek(pb, entryPos, SEEK_SET); |
| 203 |
put_be32(pb, index); // rewrite size
|
| 204 |
url_fseek(pb, curpos, SEEK_SET); |
| 205 |
|
| 206 |
return updateSize (pb, pos);
|
| 207 |
} |
| 208 |
|
| 209 |
/* Sync sample atom */
|
| 210 |
static int mov_write_stss_tag(ByteIOContext *pb, MOVTrack* track) |
| 211 |
{
|
| 212 |
offset_t curpos, entryPos; |
| 213 |
int i, index = 0; |
| 214 |
offset_t pos = url_ftell(pb); |
| 215 |
put_be32(pb, 0); // size |
| 216 |
put_tag(pb, "stss");
|
| 217 |
put_be32(pb, 0); // version & flags |
| 218 |
entryPos = url_ftell(pb); |
| 219 |
put_be32(pb, track->entry); // entry count
|
| 220 |
for (i=0; i<track->entry; i++) { |
| 221 |
int cl = i / MOV_INDEX_CLUSTER_SIZE;
|
| 222 |
int id = i % MOV_INDEX_CLUSTER_SIZE;
|
| 223 |
if(track->cluster[cl][id].key_frame == 1) { |
| 224 |
put_be32(pb, i+1);
|
| 225 |
index++; |
| 226 |
} |
| 227 |
} |
| 228 |
curpos = url_ftell(pb); |
| 229 |
url_fseek(pb, entryPos, SEEK_SET); |
| 230 |
put_be32(pb, index); // rewrite size
|
| 231 |
url_fseek(pb, curpos, SEEK_SET); |
| 232 |
return updateSize (pb, pos);
|
| 233 |
} |
| 234 |
|
| 235 |
static int mov_write_damr_tag(ByteIOContext *pb) |
| 236 |
{
|
| 237 |
put_be32(pb, 0x11); /* size */ |
| 238 |
put_tag(pb, "damr");
|
| 239 |
put_tag(pb, "FFMP");
|
| 240 |
put_byte(pb, 0);
|
| 241 |
|
| 242 |
put_be16(pb, 0x80); /* Mode set (all modes for AMR_NB) */ |
| 243 |
put_be16(pb, 0xa); /* Mode change period (no restriction) */ |
| 244 |
//put_be16(pb, 0x81ff); /* Mode set (all modes for AMR_NB) */
|
| 245 |
//put_be16(pb, 1); /* Mode change period (no restriction) */
|
| 246 |
return 0x11; |
| 247 |
} |
| 248 |
|
| 249 |
static int mov_write_wave_tag(ByteIOContext *pb, MOVTrack* track) |
| 250 |
{
|
| 251 |
offset_t pos = url_ftell(pb); |
| 252 |
|
| 253 |
put_be32(pb, 0); /* size */ |
| 254 |
put_tag(pb, "wave");
|
| 255 |
|
| 256 |
put_be32(pb, 12); /* size */ |
| 257 |
put_tag(pb, "frma");
|
| 258 |
put_tag(pb, "mp4a");
|
| 259 |
|
| 260 |
put_be32(pb, 12); /* size */ |
| 261 |
put_tag(pb, "mp4a");
|
| 262 |
put_be32(pb, 0);
|
| 263 |
|
| 264 |
mov_write_esds_tag(pb, track); |
| 265 |
|
| 266 |
put_be32(pb, 12); /* size */ |
| 267 |
put_tag(pb, "srcq");
|
| 268 |
put_be32(pb, 0x40);
|
| 269 |
|
| 270 |
put_be32(pb, 8); /* size */ |
| 271 |
put_be32(pb, 0); /* null tag */ |
| 272 |
|
| 273 |
return updateSize (pb, pos);
|
| 274 |
} |
| 275 |
|
| 276 |
static const CodecTag codec_movaudio_tags[] = { |
| 277 |
{ CODEC_ID_PCM_MULAW, MKTAG('u', 'l', 'a', 'w') },
|
| 278 |
{ CODEC_ID_PCM_ALAW, MKTAG('a', 'l', 'a', 'w') },
|
| 279 |
{ CODEC_ID_ADPCM_IMA_QT, MKTAG('i', 'm', 'a', '4') },
|
| 280 |
{ CODEC_ID_MACE3, MKTAG('M', 'A', 'C', '3') },
|
| 281 |
{ CODEC_ID_MACE6, MKTAG('M', 'A', 'C', '6') },
|
| 282 |
{ CODEC_ID_AAC, MKTAG('m', 'p', '4', 'a') },
|
| 283 |
{ CODEC_ID_AMR_NB, MKTAG('s', 'a', 'm', 'r') },
|
| 284 |
{ CODEC_ID_AMR_WB, MKTAG('s', 'a', 'w', 'b') },
|
| 285 |
{ CODEC_ID_PCM_S16BE, MKTAG('t', 'w', 'o', 's') },
|
| 286 |
{ CODEC_ID_PCM_S16LE, MKTAG('s', 'o', 'w', 't') },
|
| 287 |
{ CODEC_ID_MP3, MKTAG('.', 'm', 'p', '3') },
|
| 288 |
{ 0, 0 },
|
| 289 |
}; |
| 290 |
|
| 291 |
static int mov_write_audio_tag(ByteIOContext *pb, MOVTrack* track) |
| 292 |
{
|
| 293 |
offset_t pos = url_ftell(pb); |
| 294 |
int tag;
|
| 295 |
|
| 296 |
put_be32(pb, 0); /* size */ |
| 297 |
|
| 298 |
tag = track->enc->codec_tag; |
| 299 |
if (!tag)
|
| 300 |
tag = codec_get_tag(codec_movaudio_tags, track->enc->codec_id); |
| 301 |
// if no mac fcc found, try with Microsoft tags
|
| 302 |
if (!tag)
|
| 303 |
{
|
| 304 |
int tmp = codec_get_tag(codec_wav_tags, track->enc->codec_id);
|
| 305 |
tag = MKTAG('m', 's', ((tmp >> 8) & 0xff), (tmp & 0xff)); |
| 306 |
} |
| 307 |
put_le32(pb, tag); // store it byteswapped
|
| 308 |
|
| 309 |
put_be32(pb, 0); /* Reserved */ |
| 310 |
put_be16(pb, 0); /* Reserved */ |
| 311 |
put_be16(pb, 1); /* Data-reference index, XXX == 1 */ |
| 312 |
|
| 313 |
/* SoundDescription */
|
| 314 |
if(track->mode == MODE_MOV && track->enc->codec_id == CODEC_ID_AAC)
|
| 315 |
put_be16(pb, 1); /* Version 1 */ |
| 316 |
else
|
| 317 |
put_be16(pb, 0); /* Version 0 */ |
| 318 |
put_be16(pb, 0); /* Revision level */ |
| 319 |
put_be32(pb, 0); /* Reserved */ |
| 320 |
|
| 321 |
put_be16(pb, track->enc->channels); /* Number of channels */
|
| 322 |
/* TODO: Currently hard-coded to 16-bit, there doesn't seem
|
| 323 |
to be a good way to get number of bits of audio */
|
| 324 |
put_be16(pb, 0x10); /* Reserved */ |
| 325 |
|
| 326 |
if(track->enc->codec_id == CODEC_ID_AAC ||
|
| 327 |
track->enc->codec_id == CODEC_ID_MP3) |
| 328 |
{
|
| 329 |
put_be16(pb, 0xfffe); /* compression ID (vbr)*/ |
| 330 |
} |
| 331 |
else
|
| 332 |
{
|
| 333 |
put_be16(pb, 0); /* compression ID (= 0) */ |
| 334 |
} |
| 335 |
put_be16(pb, 0); /* packet size (= 0) */ |
| 336 |
put_be16(pb, track->timescale); /* Time scale */
|
| 337 |
put_be16(pb, 0); /* Reserved */ |
| 338 |
|
| 339 |
if(track->mode == MODE_MOV && track->enc->codec_id == CODEC_ID_AAC)
|
| 340 |
{
|
| 341 |
/* SoundDescription V1 extended info */
|
| 342 |
put_be32(pb, track->enc->frame_size); /* Samples per packet */
|
| 343 |
put_be32(pb, 1536); /* Bytes per packet */ |
| 344 |
put_be32(pb, 2); /* Bytes per frame */ |
| 345 |
put_be32(pb, 2); /* Bytes per sample */ |
| 346 |
} |
| 347 |
|
| 348 |
if(track->enc->codec_id == CODEC_ID_AAC) {
|
| 349 |
if( track->mode == MODE_MOV ) mov_write_wave_tag(pb, track);
|
| 350 |
else mov_write_esds_tag(pb, track);
|
| 351 |
} |
| 352 |
if(track->enc->codec_id == CODEC_ID_AMR_NB)
|
| 353 |
mov_write_damr_tag(pb); |
| 354 |
return updateSize (pb, pos);
|
| 355 |
} |
| 356 |
|
| 357 |
static int mov_write_d263_tag(ByteIOContext *pb) |
| 358 |
{
|
| 359 |
put_be32(pb, 0xf); /* size */ |
| 360 |
put_tag(pb, "d263");
|
| 361 |
put_tag(pb, "FFMP");
|
| 362 |
put_be16(pb, 0x0a);
|
| 363 |
put_byte(pb, 0);
|
| 364 |
return 0xf; |
| 365 |
} |
| 366 |
|
| 367 |
/* TODO: No idea about these values */
|
| 368 |
static int mov_write_svq3_tag(ByteIOContext *pb) |
| 369 |
{
|
| 370 |
put_be32(pb, 0x15);
|
| 371 |
put_tag(pb, "SMI ");
|
| 372 |
put_tag(pb, "SEQH");
|
| 373 |
put_be32(pb, 0x5);
|
| 374 |
put_be32(pb, 0xe2c0211d);
|
| 375 |
put_be32(pb, 0xc0000000);
|
| 376 |
put_byte(pb, 0);
|
| 377 |
return 0x15; |
| 378 |
} |
| 379 |
|
| 380 |
static unsigned int descrLength(unsigned int len) |
| 381 |
{
|
| 382 |
if (len < 0x00000080) |
| 383 |
return 2 + len; |
| 384 |
else if (len < 0x00004000) |
| 385 |
return 3 + len; |
| 386 |
else if(len < 0x00200000) |
| 387 |
return 4 + len; |
| 388 |
else
|
| 389 |
return 5 + len; |
| 390 |
} |
| 391 |
|
| 392 |
static void putDescr(ByteIOContext *pb, int tag, int size) |
| 393 |
{
|
| 394 |
uint32_t len; |
| 395 |
uint8_t vals[4];
|
| 396 |
|
| 397 |
len = size; |
| 398 |
vals[3] = (uint8_t)(len & 0x7f); |
| 399 |
len >>= 7;
|
| 400 |
vals[2] = (uint8_t)((len & 0x7f) | 0x80); |
| 401 |
len >>= 7;
|
| 402 |
vals[1] = (uint8_t)((len & 0x7f) | 0x80); |
| 403 |
len >>= 7;
|
| 404 |
vals[0] = (uint8_t)((len & 0x7f) | 0x80); |
| 405 |
|
| 406 |
put_byte(pb, tag); // DescriptorTag
|
| 407 |
|
| 408 |
if (size < 0x00000080) |
| 409 |
{
|
| 410 |
put_byte(pb, vals[3]);
|
| 411 |
} |
| 412 |
else if (size < 0x00004000) |
| 413 |
{
|
| 414 |
put_byte(pb, vals[2]);
|
| 415 |
put_byte(pb, vals[3]);
|
| 416 |
} |
| 417 |
else if (size < 0x00200000) |
| 418 |
{
|
| 419 |
put_byte(pb, vals[1]);
|
| 420 |
put_byte(pb, vals[2]);
|
| 421 |
put_byte(pb, vals[3]);
|
| 422 |
} |
| 423 |
else if (size < 0x10000000) |
| 424 |
{
|
| 425 |
put_byte(pb, vals[0]);
|
| 426 |
put_byte(pb, vals[1]);
|
| 427 |
put_byte(pb, vals[2]);
|
| 428 |
put_byte(pb, vals[3]);
|
| 429 |
} |
| 430 |
} |
| 431 |
|
| 432 |
static int mov_write_esds_tag(ByteIOContext *pb, MOVTrack* track) // Basic |
| 433 |
{
|
| 434 |
int decoderSpecificInfoLen;
|
| 435 |
offset_t pos = url_ftell(pb); |
| 436 |
|
| 437 |
decoderSpecificInfoLen = track->vosLen ? descrLength(track->vosLen):0;
|
| 438 |
|
| 439 |
put_be32(pb, 0); // size |
| 440 |
put_tag(pb, "esds");
|
| 441 |
put_be32(pb, 0); // Version |
| 442 |
|
| 443 |
// ES descriptor
|
| 444 |
putDescr(pb, 0x03, 3 + descrLength(13 + decoderSpecificInfoLen) + |
| 445 |
descrLength(1));
|
| 446 |
put_be16(pb, track->trackID); |
| 447 |
put_byte(pb, 0x00); // flags (= no flags) |
| 448 |
|
| 449 |
// DecoderConfig descriptor
|
| 450 |
putDescr(pb, 0x04, 13 + decoderSpecificInfoLen); |
| 451 |
|
| 452 |
// Object type indication
|
| 453 |
put_byte(pb, codec_get_tag(ff_mov_obj_type, track->enc->codec_id)); |
| 454 |
|
| 455 |
// the following fields is made of 6 bits to identify the streamtype (4 for video, 5 for audio)
|
| 456 |
// plus 1 bit to indicate upstream and 1 bit set to 1 (reserved)
|
| 457 |
if(track->enc->codec_type == CODEC_TYPE_AUDIO)
|
| 458 |
put_byte(pb, 0x15); // flags (= Audiostream) |
| 459 |
else
|
| 460 |
put_byte(pb, 0x11); // flags (= Visualstream) |
| 461 |
|
| 462 |
put_byte(pb, track->enc->rc_buffer_size>>(3+16)); // Buffersize DB (24 bits) |
| 463 |
put_be16(pb, (track->enc->rc_buffer_size>>3)&0xFFFF); // Buffersize DB |
| 464 |
|
| 465 |
put_be32(pb, FFMAX(track->enc->bit_rate, track->enc->rc_max_rate)); // maxbitrate (FIXME should be max rate in any 1 sec window)
|
| 466 |
if(track->enc->rc_max_rate != track->enc->rc_min_rate || track->enc->rc_min_rate==0) |
| 467 |
put_be32(pb, 0); // vbr |
| 468 |
else
|
| 469 |
put_be32(pb, track->enc->rc_max_rate); // avg bitrate
|
| 470 |
|
| 471 |
if (track->vosLen)
|
| 472 |
{
|
| 473 |
// DecoderSpecific info descriptor
|
| 474 |
putDescr(pb, 0x05, track->vosLen);
|
| 475 |
put_buffer(pb, track->vosData, track->vosLen); |
| 476 |
} |
| 477 |
|
| 478 |
|
| 479 |
// SL descriptor
|
| 480 |
putDescr(pb, 0x06, 1); |
| 481 |
put_byte(pb, 0x02);
|
| 482 |
return updateSize (pb, pos);
|
| 483 |
} |
| 484 |
|
| 485 |
static const CodecTag codec_movvideo_tags[] = { |
| 486 |
{ CODEC_ID_SVQ1, MKTAG('S', 'V', 'Q', '1') },
|
| 487 |
{ CODEC_ID_SVQ3, MKTAG('S', 'V', 'Q', '3') },
|
| 488 |
{ CODEC_ID_MPEG4, MKTAG('m', 'p', '4', 'v') },
|
| 489 |
{ CODEC_ID_H263, MKTAG('s', '2', '6', '3') },
|
| 490 |
{ CODEC_ID_H264, MKTAG('a', 'v', 'c', '1') },
|
| 491 |
{ CODEC_ID_DVVIDEO, MKTAG('d', 'v', 'c', ' ') },
|
| 492 |
{ 0, 0 },
|
| 493 |
}; |
| 494 |
|
| 495 |
static int mov_write_video_tag(ByteIOContext *pb, MOVTrack* track) |
| 496 |
{
|
| 497 |
offset_t pos = url_ftell(pb); |
| 498 |
char compressor_name[32]; |
| 499 |
int tag;
|
| 500 |
|
| 501 |
put_be32(pb, 0); /* size */ |
| 502 |
|
| 503 |
tag = track->enc->codec_tag; |
| 504 |
if (!tag)
|
| 505 |
tag = codec_get_tag(codec_movvideo_tags, track->enc->codec_id); |
| 506 |
// if no mac fcc found, try with Microsoft tags
|
| 507 |
if (!tag)
|
| 508 |
tag = codec_get_tag(codec_bmp_tags, track->enc->codec_id); |
| 509 |
put_le32(pb, tag); // store it byteswapped
|
| 510 |
|
| 511 |
put_be32(pb, 0); /* Reserved */ |
| 512 |
put_be16(pb, 0); /* Reserved */ |
| 513 |
put_be16(pb, 1); /* Data-reference index */ |
| 514 |
|
| 515 |
put_be16(pb, 0); /* Codec stream version */ |
| 516 |
put_be16(pb, 0); /* Codec stream revision (=0) */ |
| 517 |
put_tag(pb, "FFMP"); /* Vendor */ |
| 518 |
if(track->enc->codec_id == CODEC_ID_RAWVIDEO) {
|
| 519 |
put_be32(pb, 0); /* Temporal Quality */ |
| 520 |
put_be32(pb, 0x400); /* Spatial Quality = lossless*/ |
| 521 |
} else {
|
| 522 |
put_be32(pb, 0x200); /* Temporal Quality = normal */ |
| 523 |
put_be32(pb, 0x200); /* Spatial Quality = normal */ |
| 524 |
} |
| 525 |
put_be16(pb, track->enc->width); /* Video width */
|
| 526 |
put_be16(pb, track->enc->height); /* Video height */
|
| 527 |
put_be32(pb, 0x00480000); /* Horizontal resolution 72dpi */ |
| 528 |
put_be32(pb, 0x00480000); /* Vertical resolution 72dpi */ |
| 529 |
put_be32(pb, 0); /* Data size (= 0) */ |
| 530 |
put_be16(pb, 1); /* Frame count (= 1) */ |
| 531 |
|
| 532 |
memset(compressor_name,0,32); |
| 533 |
if (track->enc->codec && track->enc->codec->name)
|
| 534 |
strncpy(compressor_name,track->enc->codec->name,31);
|
| 535 |
put_byte(pb, strlen(compressor_name)); |
| 536 |
put_buffer(pb, compressor_name, 31);
|
| 537 |
|
| 538 |
put_be16(pb, 0x18); /* Reserved */ |
| 539 |
put_be16(pb, 0xffff); /* Reserved */ |
| 540 |
if(track->enc->codec_id == CODEC_ID_MPEG4)
|
| 541 |
mov_write_esds_tag(pb, track); |
| 542 |
else if(track->enc->codec_id == CODEC_ID_H263) |
| 543 |
mov_write_d263_tag(pb); |
| 544 |
else if(track->enc->codec_id == CODEC_ID_SVQ3) |
| 545 |
mov_write_svq3_tag(pb); |
| 546 |
|
| 547 |
return updateSize (pb, pos);
|
| 548 |
} |
| 549 |
|
| 550 |
static int mov_write_stsd_tag(ByteIOContext *pb, MOVTrack* track) |
| 551 |
{
|
| 552 |
offset_t pos = url_ftell(pb); |
| 553 |
put_be32(pb, 0); /* size */ |
| 554 |
put_tag(pb, "stsd");
|
| 555 |
put_be32(pb, 0); /* version & flags */ |
| 556 |
put_be32(pb, 1); /* entry count */ |
| 557 |
if (track->enc->codec_type == CODEC_TYPE_VIDEO)
|
| 558 |
mov_write_video_tag(pb, track); |
| 559 |
else if (track->enc->codec_type == CODEC_TYPE_AUDIO) |
| 560 |
mov_write_audio_tag(pb, track); |
| 561 |
return updateSize(pb, pos);
|
| 562 |
} |
| 563 |
|
| 564 |
/* TODO: */
|
| 565 |
/* Time to sample atom */
|
| 566 |
static int mov_write_stts_tag(ByteIOContext *pb, MOVTrack* track) |
| 567 |
{
|
| 568 |
put_be32(pb, 0x18); /* size */ |
| 569 |
put_tag(pb, "stts");
|
| 570 |
put_be32(pb, 0); /* version & flags */ |
| 571 |
put_be32(pb, 1); /* entry count */ |
| 572 |
|
| 573 |
put_be32(pb, track->sampleCount); /* sample count */
|
| 574 |
put_be32(pb, track->sampleDuration); /* sample duration */
|
| 575 |
return 0x18; |
| 576 |
} |
| 577 |
|
| 578 |
static int mov_write_dref_tag(ByteIOContext *pb) |
| 579 |
{
|
| 580 |
put_be32(pb, 28); /* size */ |
| 581 |
put_tag(pb, "dref");
|
| 582 |
put_be32(pb, 0); /* version & flags */ |
| 583 |
put_be32(pb, 1); /* entry count */ |
| 584 |
|
| 585 |
put_be32(pb, 0xc); /* size */ |
| 586 |
put_tag(pb, "url ");
|
| 587 |
put_be32(pb, 1); /* version & flags */ |
| 588 |
|
| 589 |
return 28; |
| 590 |
} |
| 591 |
|
| 592 |
static int mov_write_stbl_tag(ByteIOContext *pb, MOVTrack* track) |
| 593 |
{
|
| 594 |
offset_t pos = url_ftell(pb); |
| 595 |
put_be32(pb, 0); /* size */ |
| 596 |
put_tag(pb, "stbl");
|
| 597 |
mov_write_stsd_tag(pb, track); |
| 598 |
mov_write_stts_tag(pb, track); |
| 599 |
if (track->enc->codec_type == CODEC_TYPE_VIDEO &&
|
| 600 |
track->hasKeyframes) |
| 601 |
mov_write_stss_tag(pb, track); |
| 602 |
mov_write_stsc_tag(pb, track); |
| 603 |
mov_write_stsz_tag(pb, track); |
| 604 |
mov_write_stco_tag(pb, track); |
| 605 |
return updateSize(pb, pos);
|
| 606 |
} |
| 607 |
|
| 608 |
static int mov_write_dinf_tag(ByteIOContext *pb) |
| 609 |
{
|
| 610 |
offset_t pos = url_ftell(pb); |
| 611 |
put_be32(pb, 0); /* size */ |
| 612 |
put_tag(pb, "dinf");
|
| 613 |
mov_write_dref_tag(pb); |
| 614 |
return updateSize(pb, pos);
|
| 615 |
} |
| 616 |
|
| 617 |
static int mov_write_smhd_tag(ByteIOContext *pb) |
| 618 |
{
|
| 619 |
put_be32(pb, 16); /* size */ |
| 620 |
put_tag(pb, "smhd");
|
| 621 |
put_be32(pb, 0); /* version & flags */ |
| 622 |
put_be16(pb, 0); /* reserved (balance, normally = 0) */ |
| 623 |
put_be16(pb, 0); /* reserved */ |
| 624 |
return 16; |
| 625 |
} |
| 626 |
|
| 627 |
static int mov_write_vmhd_tag(ByteIOContext *pb) |
| 628 |
{
|
| 629 |
put_be32(pb, 0x14); /* size (always 0x14) */ |
| 630 |
put_tag(pb, "vmhd");
|
| 631 |
put_be32(pb, 0x01); /* version & flags */ |
| 632 |
put_be64(pb, 0); /* reserved (graphics mode = copy) */ |
| 633 |
return 0x14; |
| 634 |
} |
| 635 |
|
| 636 |
static int mov_write_hdlr_tag(ByteIOContext *pb, MOVTrack* track) |
| 637 |
{
|
| 638 |
char *descr, *hdlr, *hdlr_type;
|
| 639 |
offset_t pos = url_ftell(pb); |
| 640 |
|
| 641 |
if (!track) { /* no media --> data handler */ |
| 642 |
hdlr = "dhlr";
|
| 643 |
hdlr_type = "url ";
|
| 644 |
descr = "DataHandler";
|
| 645 |
} else {
|
| 646 |
hdlr = (track->mode == MODE_MOV) ? "mhlr" : "\0\0\0\0"; |
| 647 |
if (track->enc->codec_type == CODEC_TYPE_VIDEO) {
|
| 648 |
hdlr_type = "vide";
|
| 649 |
descr = "VideoHandler";
|
| 650 |
} else {
|
| 651 |
hdlr_type = "soun";
|
| 652 |
descr = "SoundHandler";
|
| 653 |
} |
| 654 |
} |
| 655 |
|
| 656 |
put_be32(pb, 0); /* size */ |
| 657 |
put_tag(pb, "hdlr");
|
| 658 |
put_be32(pb, 0); /* Version & flags */ |
| 659 |
put_buffer(pb, hdlr, 4); /* handler */ |
| 660 |
put_tag(pb, hdlr_type); /* handler type */
|
| 661 |
put_be32(pb ,0); /* reserved */ |
| 662 |
put_be32(pb ,0); /* reserved */ |
| 663 |
put_be32(pb ,0); /* reserved */ |
| 664 |
put_byte(pb, strlen(descr)); /* string counter */
|
| 665 |
put_buffer(pb, descr, strlen(descr)); /* handler description */
|
| 666 |
return updateSize(pb, pos);
|
| 667 |
} |
| 668 |
|
| 669 |
static int mov_write_minf_tag(ByteIOContext *pb, MOVTrack* track) |
| 670 |
{
|
| 671 |
offset_t pos = url_ftell(pb); |
| 672 |
put_be32(pb, 0); /* size */ |
| 673 |
put_tag(pb, "minf");
|
| 674 |
if(track->enc->codec_type == CODEC_TYPE_VIDEO)
|
| 675 |
mov_write_vmhd_tag(pb); |
| 676 |
else
|
| 677 |
mov_write_smhd_tag(pb); |
| 678 |
if (track->mode == MODE_MOV) /* FIXME: Why do it for MODE_MOV only ? */ |
| 679 |
mov_write_hdlr_tag(pb, NULL);
|
| 680 |
mov_write_dinf_tag(pb); |
| 681 |
mov_write_stbl_tag(pb, track); |
| 682 |
return updateSize(pb, pos);
|
| 683 |
} |
| 684 |
|
| 685 |
static int mov_write_mdhd_tag(ByteIOContext *pb, MOVTrack* track) |
| 686 |
{
|
| 687 |
put_be32(pb, 32); /* size */ |
| 688 |
put_tag(pb, "mdhd");
|
| 689 |
put_be32(pb, 0); /* Version & flags */ |
| 690 |
put_be32(pb, track->time); /* creation time */
|
| 691 |
put_be32(pb, track->time); /* modification time */
|
| 692 |
put_be32(pb, track->timescale); /* time scale (sample rate for audio) */
|
| 693 |
put_be32(pb, track->trackDuration); /* duration */
|
| 694 |
put_be16(pb, track->language); /* language */
|
| 695 |
put_be16(pb, 0); /* reserved (quality) */ |
| 696 |
return 32; |
| 697 |
} |
| 698 |
|
| 699 |
static int mov_write_mdia_tag(ByteIOContext *pb, MOVTrack* track) |
| 700 |
{
|
| 701 |
offset_t pos = url_ftell(pb); |
| 702 |
put_be32(pb, 0); /* size */ |
| 703 |
put_tag(pb, "mdia");
|
| 704 |
mov_write_mdhd_tag(pb, track); |
| 705 |
mov_write_hdlr_tag(pb, track); |
| 706 |
mov_write_minf_tag(pb, track); |
| 707 |
return updateSize(pb, pos);
|
| 708 |
} |
| 709 |
|
| 710 |
static int mov_write_tkhd_tag(ByteIOContext *pb, MOVTrack* track) |
| 711 |
{
|
| 712 |
put_be32(pb, 0x5c); /* size (always 0x5c) */ |
| 713 |
put_tag(pb, "tkhd");
|
| 714 |
put_be32(pb, 0xf); /* version & flags (track enabled) */ |
| 715 |
put_be32(pb, track->time); /* creation time */
|
| 716 |
put_be32(pb, track->time); /* modification time */
|
| 717 |
put_be32(pb, track->trackID); /* track-id */
|
| 718 |
put_be32(pb, 0); /* reserved */ |
| 719 |
put_be32(pb, av_rescale_rnd(track->trackDuration, globalTimescale, track->timescale, AV_ROUND_UP)); /* duration */
|
| 720 |
|
| 721 |
put_be32(pb, 0); /* reserved */ |
| 722 |
put_be32(pb, 0); /* reserved */ |
| 723 |
put_be32(pb, 0x0); /* reserved (Layer & Alternate group) */ |
| 724 |
/* Volume, only for audio */
|
| 725 |
if(track->enc->codec_type == CODEC_TYPE_AUDIO)
|
| 726 |
put_be16(pb, 0x0100);
|
| 727 |
else
|
| 728 |
put_be16(pb, 0);
|
| 729 |
put_be16(pb, 0); /* reserved */ |
| 730 |
|
| 731 |
/* Matrix structure */
|
| 732 |
put_be32(pb, 0x00010000); /* reserved */ |
| 733 |
put_be32(pb, 0x0); /* reserved */ |
| 734 |
put_be32(pb, 0x0); /* reserved */ |
| 735 |
put_be32(pb, 0x0); /* reserved */ |
| 736 |
put_be32(pb, 0x00010000); /* reserved */ |
| 737 |
put_be32(pb, 0x0); /* reserved */ |
| 738 |
put_be32(pb, 0x0); /* reserved */ |
| 739 |
put_be32(pb, 0x0); /* reserved */ |
| 740 |
put_be32(pb, 0x40000000); /* reserved */ |
| 741 |
|
| 742 |
/* Track width and height, for visual only */
|
| 743 |
if(track->enc->codec_type == CODEC_TYPE_VIDEO) {
|
| 744 |
double sample_aspect_ratio = av_q2d(track->enc->sample_aspect_ratio);
|
| 745 |
if( !sample_aspect_ratio ) sample_aspect_ratio = 1; |
| 746 |
put_be32(pb, sample_aspect_ratio * track->enc->width*0x10000);
|
| 747 |
put_be32(pb, track->enc->height*0x10000);
|
| 748 |
} |
| 749 |
else {
|
| 750 |
put_be32(pb, 0);
|
| 751 |
put_be32(pb, 0);
|
| 752 |
} |
| 753 |
return 0x5c; |
| 754 |
} |
| 755 |
|
| 756 |
// This box seems important for the psp playback ... without it the movie seems to hang
|
| 757 |
static int mov_write_edts_tag(ByteIOContext *pb, MOVTrack *track) |
| 758 |
{
|
| 759 |
put_be32(pb, 0x24); /* size */ |
| 760 |
put_tag(pb, "edts");
|
| 761 |
put_be32(pb, 0x1c); /* size */ |
| 762 |
put_tag(pb, "elst");
|
| 763 |
put_be32(pb, 0x0);
|
| 764 |
put_be32(pb, 0x1);
|
| 765 |
|
| 766 |
put_be32(pb, av_rescale_rnd(track->trackDuration, globalTimescale, track->timescale, AV_ROUND_UP)); /* duration ... doesn't seem to effect psp */
|
| 767 |
|
| 768 |
put_be32(pb, 0x0);
|
| 769 |
put_be32(pb, 0x00010000);
|
| 770 |
return 0x24; |
| 771 |
} |
| 772 |
|
| 773 |
// goes at the end of each track! ... Critical for PSP playback ("Incompatible data" without it)
|
| 774 |
static int mov_write_uuid_tag_psp(ByteIOContext *pb, MOVTrack *mov) |
| 775 |
{
|
| 776 |
put_be32(pb, 0x34); /* size ... reports as 28 in mp4box! */ |
| 777 |
put_tag(pb, "uuid");
|
| 778 |
put_tag(pb, "USMT");
|
| 779 |
put_be32(pb, 0x21d24fce);
|
| 780 |
put_be32(pb, 0xbb88695c);
|
| 781 |
put_be32(pb, 0xfac9c740);
|
| 782 |
put_be32(pb, 0x1c); // another size here! |
| 783 |
put_tag(pb, "MTDT");
|
| 784 |
put_be32(pb, 0x00010012);
|
| 785 |
put_be32(pb, 0x0a);
|
| 786 |
put_be32(pb, 0x55c40000);
|
| 787 |
put_be32(pb, 0x1);
|
| 788 |
put_be32(pb, 0x0);
|
| 789 |
return 0x34; |
| 790 |
} |
| 791 |
|
| 792 |
static int mov_write_trak_tag(ByteIOContext *pb, MOVTrack* track) |
| 793 |
{
|
| 794 |
offset_t pos = url_ftell(pb); |
| 795 |
put_be32(pb, 0); /* size */ |
| 796 |
put_tag(pb, "trak");
|
| 797 |
mov_write_tkhd_tag(pb, track); |
| 798 |
if (track->mode == MODE_PSP)
|
| 799 |
mov_write_edts_tag(pb, track); // PSP Movies require edts box
|
| 800 |
mov_write_mdia_tag(pb, track); |
| 801 |
if (track->mode == MODE_PSP)
|
| 802 |
mov_write_uuid_tag_psp(pb,track); // PSP Movies require this uuid box
|
| 803 |
return updateSize(pb, pos);
|
| 804 |
} |
| 805 |
|
| 806 |
#if 0
|
| 807 |
/* TODO: Not sorted out, but not necessary either */
|
| 808 |
static int mov_write_iods_tag(ByteIOContext *pb, MOVContext *mov)
|
| 809 |
{
|
| 810 |
put_be32(pb, 0x15); /* size */
|
| 811 |
put_tag(pb, "iods");
|
| 812 |
put_be32(pb, 0); /* version & flags */
|
| 813 |
put_be16(pb, 0x1007);
|
| 814 |
put_byte(pb, 0);
|
| 815 |
put_be16(pb, 0x4fff);
|
| 816 |
put_be16(pb, 0xfffe);
|
| 817 |
put_be16(pb, 0x01ff);
|
| 818 |
return 0x15;
|
| 819 |
}
|
| 820 |
#endif
|
| 821 |
|
| 822 |
static int mov_write_mvhd_tag(ByteIOContext *pb, MOVContext *mov) |
| 823 |
{
|
| 824 |
int maxTrackID = 1, i; |
| 825 |
int64_t maxTrackLenTemp, maxTrackLen = 0;
|
| 826 |
|
| 827 |
put_be32(pb, 0x6c); /* size (always 0x6c) */ |
| 828 |
put_tag(pb, "mvhd");
|
| 829 |
put_be32(pb, 0); /* version & flags */ |
| 830 |
put_be32(pb, mov->time); /* creation time */
|
| 831 |
put_be32(pb, mov->time); /* modification time */
|
| 832 |
put_be32(pb, mov->timescale); /* timescale */
|
| 833 |
for (i=0; i<MAX_STREAMS; i++) { |
| 834 |
if(mov->tracks[i].entry > 0) { |
| 835 |
maxTrackLenTemp = av_rescale_rnd(mov->tracks[i].trackDuration, globalTimescale, mov->tracks[i].timescale, AV_ROUND_UP); |
| 836 |
if(maxTrackLen < maxTrackLenTemp)
|
| 837 |
maxTrackLen = maxTrackLenTemp; |
| 838 |
if(maxTrackID < mov->tracks[i].trackID)
|
| 839 |
maxTrackID = mov->tracks[i].trackID; |
| 840 |
} |
| 841 |
} |
| 842 |
put_be32(pb, maxTrackLen); /* duration of longest track */
|
| 843 |
|
| 844 |
put_be32(pb, 0x00010000); /* reserved (preferred rate) 1.0 = normal */ |
| 845 |
put_be16(pb, 0x0100); /* reserved (preferred volume) 1.0 = normal */ |
| 846 |
put_be16(pb, 0); /* reserved */ |
| 847 |
put_be32(pb, 0); /* reserved */ |
| 848 |
put_be32(pb, 0); /* reserved */ |
| 849 |
|
| 850 |
/* Matrix structure */
|
| 851 |
put_be32(pb, 0x00010000); /* reserved */ |
| 852 |
put_be32(pb, 0x0); /* reserved */ |
| 853 |
put_be32(pb, 0x0); /* reserved */ |
| 854 |
put_be32(pb, 0x0); /* reserved */ |
| 855 |
put_be32(pb, 0x00010000); /* reserved */ |
| 856 |
put_be32(pb, 0x0); /* reserved */ |
| 857 |
put_be32(pb, 0x0); /* reserved */ |
| 858 |
put_be32(pb, 0x0); /* reserved */ |
| 859 |
put_be32(pb, 0x40000000); /* reserved */ |
| 860 |
|
| 861 |
put_be32(pb, 0); /* reserved (preview time) */ |
| 862 |
put_be32(pb, 0); /* reserved (preview duration) */ |
| 863 |
put_be32(pb, 0); /* reserved (poster time) */ |
| 864 |
put_be32(pb, 0); /* reserved (selection time) */ |
| 865 |
put_be32(pb, 0); /* reserved (selection duration) */ |
| 866 |
put_be32(pb, 0); /* reserved (current time) */ |
| 867 |
put_be32(pb, maxTrackID+1); /* Next track id */ |
| 868 |
return 0x6c; |
| 869 |
} |
| 870 |
|
| 871 |
static int mov_write_itunes_hdlr_tag(ByteIOContext *pb, MOVContext* mov, |
| 872 |
AVFormatContext *s) |
| 873 |
{
|
| 874 |
offset_t pos = url_ftell(pb); |
| 875 |
put_be32(pb, 0); /* size */ |
| 876 |
put_tag(pb, "hdlr");
|
| 877 |
put_be32(pb, 0);
|
| 878 |
put_be32(pb, 0);
|
| 879 |
put_tag(pb, "mdir");
|
| 880 |
put_tag(pb, "appl");
|
| 881 |
put_be32(pb, 0);
|
| 882 |
put_be32(pb, 0);
|
| 883 |
put_be16(pb, 0);
|
| 884 |
return updateSize(pb, pos);
|
| 885 |
} |
| 886 |
|
| 887 |
/* helper function to write a data tag with the specified string as data */
|
| 888 |
static int mov_write_string_data_tag(ByteIOContext *pb, MOVContext* mov, |
| 889 |
AVFormatContext *s, const char *data) |
| 890 |
{
|
| 891 |
offset_t pos = url_ftell(pb); |
| 892 |
put_be32(pb, 0); /* size */ |
| 893 |
put_tag(pb, "data");
|
| 894 |
put_be32(pb, 1);
|
| 895 |
put_be32(pb, 0);
|
| 896 |
put_buffer(pb, data, strlen(data)); |
| 897 |
return updateSize(pb, pos);
|
| 898 |
} |
| 899 |
|
| 900 |
/* iTunes name of the song/movie */
|
| 901 |
static int mov_write_nam_tag(ByteIOContext *pb, MOVContext* mov, |
| 902 |
AVFormatContext *s) |
| 903 |
{
|
| 904 |
int size = 0; |
| 905 |
if ( s->title[0] ) { |
| 906 |
offset_t pos = url_ftell(pb); |
| 907 |
put_be32(pb, 0); /* size */ |
| 908 |
put_tag(pb, "\251nam");
|
| 909 |
mov_write_string_data_tag(pb, mov, s, s->title); |
| 910 |
size = updateSize(pb, pos); |
| 911 |
} |
| 912 |
return size;
|
| 913 |
} |
| 914 |
|
| 915 |
/* iTunes name of the artist/performer */
|
| 916 |
static int mov_write_ART_tag(ByteIOContext *pb, MOVContext* mov, |
| 917 |
AVFormatContext *s) |
| 918 |
{
|
| 919 |
int size = 0; |
| 920 |
if ( s->author[0] ) { |
| 921 |
offset_t pos = url_ftell(pb); |
| 922 |
put_be32(pb, 0); /* size */ |
| 923 |
put_tag(pb, "\251ART");
|
| 924 |
// we use the author here as this is the only thing that we have...
|
| 925 |
mov_write_string_data_tag(pb, mov, s, s->author); |
| 926 |
size = updateSize(pb, pos); |
| 927 |
} |
| 928 |
return size;
|
| 929 |
} |
| 930 |
|
| 931 |
/* iTunes name of the writer */
|
| 932 |
static int mov_write_wrt_tag(ByteIOContext *pb, MOVContext* mov, |
| 933 |
AVFormatContext *s) |
| 934 |
{
|
| 935 |
int size = 0; |
| 936 |
if ( s->author[0] ) { |
| 937 |
offset_t pos = url_ftell(pb); |
| 938 |
put_be32(pb, 0); /* size */ |
| 939 |
put_tag(pb, "\251wrt");
|
| 940 |
mov_write_string_data_tag(pb, mov, s, s->author); |
| 941 |
size = updateSize(pb, pos); |
| 942 |
} |
| 943 |
return size;
|
| 944 |
} |
| 945 |
|
| 946 |
/* iTunes name of the album */
|
| 947 |
static int mov_write_alb_tag(ByteIOContext *pb, MOVContext* mov, |
| 948 |
AVFormatContext *s) |
| 949 |
{
|
| 950 |
int size = 0; |
| 951 |
if ( s->album[0] ) { |
| 952 |
offset_t pos = url_ftell(pb); |
| 953 |
put_be32(pb, 0); /* size */ |
| 954 |
put_tag(pb, "\251alb");
|
| 955 |
mov_write_string_data_tag(pb, mov, s, s->album); |
| 956 |
size = updateSize(pb, pos); |
| 957 |
} |
| 958 |
return size;
|
| 959 |
} |
| 960 |
|
| 961 |
/* iTunes year */
|
| 962 |
static int mov_write_day_tag(ByteIOContext *pb, MOVContext* mov, |
| 963 |
AVFormatContext *s) |
| 964 |
{
|
| 965 |
char year[5]; |
| 966 |
int size = 0; |
| 967 |
if ( s->year ) {
|
| 968 |
offset_t pos = url_ftell(pb); |
| 969 |
put_be32(pb, 0); /* size */ |
| 970 |
put_tag(pb, "\251day");
|
| 971 |
snprintf(year, 5, "%04d", s->year); |
| 972 |
mov_write_string_data_tag(pb, mov, s, year); |
| 973 |
size = updateSize(pb, pos); |
| 974 |
} |
| 975 |
return size;
|
| 976 |
} |
| 977 |
|
| 978 |
/* iTunes tool used to create the file */
|
| 979 |
static int mov_write_too_tag(ByteIOContext *pb, MOVContext* mov, |
| 980 |
AVFormatContext *s) |
| 981 |
{
|
| 982 |
offset_t pos = url_ftell(pb); |
| 983 |
put_be32(pb, 0); /* size */ |
| 984 |
put_tag(pb, "\251too");
|
| 985 |
mov_write_string_data_tag(pb, mov, s, LIBAVFORMAT_IDENT); |
| 986 |
return updateSize(pb, pos);
|
| 987 |
} |
| 988 |
|
| 989 |
/* iTunes comment */
|
| 990 |
static int mov_write_cmt_tag(ByteIOContext *pb, MOVContext* mov, |
| 991 |
AVFormatContext *s) |
| 992 |
{
|
| 993 |
int size = 0; |
| 994 |
if ( s->comment[0] ) { |
| 995 |
offset_t pos = url_ftell(pb); |
| 996 |
put_be32(pb, 0); /* size */ |
| 997 |
put_tag(pb, "\251cmt");
|
| 998 |
mov_write_string_data_tag(pb, mov, s, s->comment); |
| 999 |
size = updateSize(pb, pos); |
| 1000 |
} |
| 1001 |
return size;
|
| 1002 |
} |
| 1003 |
|
| 1004 |
/* iTunes custom genre */
|
| 1005 |
static int mov_write_gen_tag(ByteIOContext *pb, MOVContext* mov, |
| 1006 |
AVFormatContext *s) |
| 1007 |
{
|
| 1008 |
int size = 0; |
| 1009 |
if ( s->genre[0] ) { |
| 1010 |
offset_t pos = url_ftell(pb); |
| 1011 |
put_be32(pb, 0); /* size */ |
| 1012 |
put_tag(pb, "\251gen");
|
| 1013 |
mov_write_string_data_tag(pb, mov, s, s->genre); |
| 1014 |
size = updateSize(pb, pos); |
| 1015 |
} |
| 1016 |
return size;
|
| 1017 |
} |
| 1018 |
|
| 1019 |
/* iTunes track number */
|
| 1020 |
static int mov_write_trkn_tag(ByteIOContext *pb, MOVContext* mov, |
| 1021 |
AVFormatContext *s) |
| 1022 |
{
|
| 1023 |
int size = 0; |
| 1024 |
if ( s->track ) {
|
| 1025 |
offset_t pos = url_ftell(pb); |
| 1026 |
put_be32(pb, 0); /* size */ |
| 1027 |
put_tag(pb, "trkn");
|
| 1028 |
{
|
| 1029 |
offset_t pos = url_ftell(pb); |
| 1030 |
put_be32(pb, 0); /* size */ |
| 1031 |
put_tag(pb, "data");
|
| 1032 |
put_be32(pb, 0); // 8 bytes empty |
| 1033 |
put_be32(pb, 0);
|
| 1034 |
put_be16(pb, 0); // empty |
| 1035 |
put_be16(pb, s->track); // track number
|
| 1036 |
put_be16(pb, 0); // total track number |
| 1037 |
put_be16(pb, 0); // empty |
| 1038 |
updateSize(pb, pos); |
| 1039 |
} |
| 1040 |
size = updateSize(pb, pos); |
| 1041 |
} |
| 1042 |
return size;
|
| 1043 |
} |
| 1044 |
|
| 1045 |
/* iTunes meta data list */
|
| 1046 |
static int mov_write_ilst_tag(ByteIOContext *pb, MOVContext* mov, |
| 1047 |
AVFormatContext *s) |
| 1048 |
{
|
| 1049 |
offset_t pos = url_ftell(pb); |
| 1050 |
put_be32(pb, 0); /* size */ |
| 1051 |
put_tag(pb, "ilst");
|
| 1052 |
mov_write_nam_tag(pb, mov, s); |
| 1053 |
mov_write_ART_tag(pb, mov, s); |
| 1054 |
mov_write_wrt_tag(pb, mov, s); |
| 1055 |
mov_write_alb_tag(pb, mov, s); |
| 1056 |
mov_write_day_tag(pb, mov, s); |
| 1057 |
mov_write_too_tag(pb, mov, s); |
| 1058 |
mov_write_cmt_tag(pb, mov, s); |
| 1059 |
mov_write_gen_tag(pb, mov, s); |
| 1060 |
mov_write_trkn_tag(pb, mov, s); |
| 1061 |
return updateSize(pb, pos);
|
| 1062 |
} |
| 1063 |
|
| 1064 |
/* iTunes meta data tag */
|
| 1065 |
static int mov_write_meta_tag(ByteIOContext *pb, MOVContext* mov, |
| 1066 |
AVFormatContext *s) |
| 1067 |
{
|
| 1068 |
int size = 0; |
| 1069 |
|
| 1070 |
// only save meta tag if required
|
| 1071 |
if ( s->title[0] || s->author[0] || s->album[0] || s->year || |
| 1072 |
s->comment[0] || s->genre[0] || s->track ) { |
| 1073 |
offset_t pos = url_ftell(pb); |
| 1074 |
put_be32(pb, 0); /* size */ |
| 1075 |
put_tag(pb, "meta");
|
| 1076 |
put_be32(pb, 0);
|
| 1077 |
mov_write_itunes_hdlr_tag(pb, mov, s); |
| 1078 |
mov_write_ilst_tag(pb, mov, s); |
| 1079 |
size = updateSize(pb, pos); |
| 1080 |
} |
| 1081 |
return size;
|
| 1082 |
} |
| 1083 |
|
| 1084 |
static int mov_write_udta_tag(ByteIOContext *pb, MOVContext* mov, |
| 1085 |
AVFormatContext *s) |
| 1086 |
{
|
| 1087 |
offset_t pos = url_ftell(pb); |
| 1088 |
int i;
|
| 1089 |
|
| 1090 |
put_be32(pb, 0); /* size */ |
| 1091 |
put_tag(pb, "udta");
|
| 1092 |
|
| 1093 |
/* iTunes meta data */
|
| 1094 |
mov_write_meta_tag(pb, mov, s); |
| 1095 |
|
| 1096 |
/* Requirements */
|
| 1097 |
for (i=0; i<MAX_STREAMS; i++) { |
| 1098 |
if(mov->tracks[i].entry <= 0) continue; |
| 1099 |
if (mov->tracks[i].enc->codec_id == CODEC_ID_AAC ||
|
| 1100 |
mov->tracks[i].enc->codec_id == CODEC_ID_MPEG4) {
|
| 1101 |
offset_t pos = url_ftell(pb); |
| 1102 |
put_be32(pb, 0); /* size */ |
| 1103 |
put_tag(pb, "\251req");
|
| 1104 |
put_be16(pb, sizeof("QuickTime 6.0 or greater") - 1); |
| 1105 |
put_be16(pb, 0);
|
| 1106 |
put_buffer(pb, "QuickTime 6.0 or greater",
|
| 1107 |
sizeof("QuickTime 6.0 or greater") - 1); |
| 1108 |
updateSize(pb, pos); |
| 1109 |
break;
|
| 1110 |
} |
| 1111 |
} |
| 1112 |
|
| 1113 |
/* Encoder */
|
| 1114 |
if(mov->tracks[0].enc && !(mov->tracks[0].enc->flags & CODEC_FLAG_BITEXACT)) |
| 1115 |
{
|
| 1116 |
offset_t pos = url_ftell(pb); |
| 1117 |
put_be32(pb, 0); /* size */ |
| 1118 |
put_tag(pb, "\251enc");
|
| 1119 |
put_be16(pb, sizeof(LIBAVFORMAT_IDENT) - 1); /* string length */ |
| 1120 |
put_be16(pb, 0);
|
| 1121 |
put_buffer(pb, LIBAVFORMAT_IDENT, sizeof(LIBAVFORMAT_IDENT) - 1); |
| 1122 |
updateSize(pb, pos); |
| 1123 |
} |
| 1124 |
|
| 1125 |
if( s->title[0] ) |
| 1126 |
{
|
| 1127 |
offset_t pos = url_ftell(pb); |
| 1128 |
put_be32(pb, 0); /* size */ |
| 1129 |
put_tag(pb, "\251nam");
|
| 1130 |
put_be16(pb, strlen(s->title)); /* string length */
|
| 1131 |
put_be16(pb, 0);
|
| 1132 |
put_buffer(pb, s->title, strlen(s->title)); |
| 1133 |
updateSize(pb, pos); |
| 1134 |
} |
| 1135 |
|
| 1136 |
if( s->author[0] ) |
| 1137 |
{
|
| 1138 |
offset_t pos = url_ftell(pb); |
| 1139 |
put_be32(pb, 0); /* size */ |
| 1140 |
put_tag(pb, /*"\251aut"*/ "\251day" ); |
| 1141 |
put_be16(pb, strlen(s->author)); /* string length */
|
| 1142 |
put_be16(pb, 0);
|
| 1143 |
put_buffer(pb, s->author, strlen(s->author)); |
| 1144 |
updateSize(pb, pos); |
| 1145 |
} |
| 1146 |
|
| 1147 |
if( s->comment[0] ) |
| 1148 |
{
|
| 1149 |
offset_t pos = url_ftell(pb); |
| 1150 |
put_be32(pb, 0); /* size */ |
| 1151 |
put_tag(pb, "\251des");
|
| 1152 |
put_be16(pb, strlen(s->comment)); /* string length */
|
| 1153 |
put_be16(pb, 0);
|
| 1154 |
put_buffer(pb, s->comment, strlen(s->comment)); |
| 1155 |
updateSize(pb, pos); |
| 1156 |
} |
| 1157 |
|
| 1158 |
return updateSize(pb, pos);
|
| 1159 |
} |
| 1160 |
|
| 1161 |
|
| 1162 |
static size_t ascii_to_wc (ByteIOContext *pb, char *b, size_t n) |
| 1163 |
{
|
| 1164 |
size_t i; |
| 1165 |
unsigned char c; |
| 1166 |
for (i = 0; i < n - 1; i++) { |
| 1167 |
c = b[i]; |
| 1168 |
if (! (0x20 <= c && c <= 0x7f )) |
| 1169 |
c = 0x3f; /* '?' */ |
| 1170 |
put_be16(pb, c); |
| 1171 |
} |
| 1172 |
put_be16(pb, 0x00);
|
| 1173 |
return 2*n; |
| 1174 |
} |
| 1175 |
|
| 1176 |
static uint16_t language_code (char *str) |
| 1177 |
{
|
| 1178 |
return ((((str[0]-'a') & 0x1F)<<10) + (((str[1]-'a') & 0x1F)<<5) + ((str[2]-'a') & 0x1F)); |
| 1179 |
} |
| 1180 |
|
| 1181 |
static int mov_write_uuidusmt_tag (ByteIOContext *pb, AVFormatContext *s) |
| 1182 |
{
|
| 1183 |
size_t len, size; |
| 1184 |
offset_t pos, curpos; |
| 1185 |
|
| 1186 |
size = 0;
|
| 1187 |
if (s->title[0]) { |
| 1188 |
pos = url_ftell(pb); |
| 1189 |
put_be32(pb, 0); /* size placeholder*/ |
| 1190 |
put_tag(pb, "uuid");
|
| 1191 |
put_tag(pb, "USMT");
|
| 1192 |
put_be32(pb, 0x21d24fce ); /* 96 bit UUID */ |
| 1193 |
put_be32(pb, 0xbb88695c );
|
| 1194 |
put_be32(pb, 0xfac9c740 );
|
| 1195 |
size += 24;
|
| 1196 |
|
| 1197 |
put_be32(pb, 0); /* size placeholder*/ |
| 1198 |
put_tag(pb, "MTDT");
|
| 1199 |
put_be16(pb, 1);
|
| 1200 |
size += 10;
|
| 1201 |
|
| 1202 |
// Title
|
| 1203 |
len = strlen(s->title)+1;
|
| 1204 |
put_be16(pb, len*2+10); /* size */ |
| 1205 |
put_be32(pb, 0x01); /* type */ |
| 1206 |
put_be16(pb, language_code("und")); /* language */ |
| 1207 |
put_be16(pb, 0x01); /* ? */ |
| 1208 |
ascii_to_wc (pb, s->title, len); |
| 1209 |
size += len*2+10; |
| 1210 |
|
| 1211 |
// size
|
| 1212 |
curpos = url_ftell(pb); |
| 1213 |
url_fseek(pb, pos, SEEK_SET); |
| 1214 |
put_be32(pb, size); |
| 1215 |
url_fseek(pb, pos+24, SEEK_SET);
|
| 1216 |
put_be32(pb, size-24);
|
| 1217 |
url_fseek(pb, curpos, SEEK_SET); |
| 1218 |
} |
| 1219 |
|
| 1220 |
return size;
|
| 1221 |
} |
| 1222 |
|
| 1223 |
static int mov_write_moov_tag(ByteIOContext *pb, MOVContext *mov, |
| 1224 |
AVFormatContext *s) |
| 1225 |
{
|
| 1226 |
int i;
|
| 1227 |
offset_t pos = url_ftell(pb); |
| 1228 |
put_be32(pb, 0); /* size placeholder*/ |
| 1229 |
put_tag(pb, "moov");
|
| 1230 |
mov->timescale = globalTimescale; |
| 1231 |
|
| 1232 |
for (i=0; i<MAX_STREAMS; i++) { |
| 1233 |
if(mov->tracks[i].entry <= 0) continue; |
| 1234 |
|
| 1235 |
if(mov->tracks[i].enc->codec_type == CODEC_TYPE_VIDEO) {
|
| 1236 |
mov->tracks[i].timescale = mov->tracks[i].enc->time_base.den; |
| 1237 |
mov->tracks[i].sampleDuration = mov->tracks[i].enc->time_base.num; |
| 1238 |
} |
| 1239 |
else if(mov->tracks[i].enc->codec_type == CODEC_TYPE_AUDIO) { |
| 1240 |
/* If AMR, track timescale = 8000, AMR_WB = 16000 */
|
| 1241 |
if(mov->tracks[i].enc->codec_id == CODEC_ID_AMR_NB) {
|
| 1242 |
mov->tracks[i].sampleDuration = 160; // Bytes per chunk |
| 1243 |
mov->tracks[i].timescale = 8000;
|
| 1244 |
} |
| 1245 |
else {
|
| 1246 |
mov->tracks[i].timescale = mov->tracks[i].enc->sample_rate; |
| 1247 |
mov->tracks[i].sampleDuration = mov->tracks[i].enc->frame_size; |
| 1248 |
} |
| 1249 |
} |
| 1250 |
|
| 1251 |
mov->tracks[i].trackDuration = |
| 1252 |
mov->tracks[i].sampleCount * mov->tracks[i].sampleDuration; |
| 1253 |
mov->tracks[i].time = mov->time; |
| 1254 |
mov->tracks[i].trackID = i+1;
|
| 1255 |
} |
| 1256 |
|
| 1257 |
mov_write_mvhd_tag(pb, mov); |
| 1258 |
//mov_write_iods_tag(pb, mov);
|
| 1259 |
for (i=0; i<MAX_STREAMS; i++) { |
| 1260 |
if(mov->tracks[i].entry > 0) { |
| 1261 |
mov_write_trak_tag(pb, &(mov->tracks[i])); |
| 1262 |
} |
| 1263 |
} |
| 1264 |
|
| 1265 |
if (mov->mode == MODE_PSP)
|
| 1266 |
mov_write_uuidusmt_tag(pb, s); |
| 1267 |
else
|
| 1268 |
mov_write_udta_tag(pb, mov, s); |
| 1269 |
|
| 1270 |
return updateSize(pb, pos);
|
| 1271 |
} |
| 1272 |
|
| 1273 |
int mov_write_mdat_tag(ByteIOContext *pb, MOVContext* mov)
|
| 1274 |
{
|
| 1275 |
put_be32(pb, 8); // placeholder for extended size field (64 bit) |
| 1276 |
put_tag(pb, "wide");
|
| 1277 |
|
| 1278 |
mov->mdat_pos = url_ftell(pb); |
| 1279 |
put_be32(pb, 0); /* size placeholder*/ |
| 1280 |
put_tag(pb, "mdat");
|
| 1281 |
return 0; |
| 1282 |
} |
| 1283 |
|
| 1284 |
/* TODO: This needs to be more general */
|
| 1285 |
static void mov_write_ftyp_tag (ByteIOContext *pb, AVFormatContext *s) |
| 1286 |
{
|
| 1287 |
MOVContext *mov = s->priv_data; |
| 1288 |
|
| 1289 |
put_be32(pb, 0x14 ); /* size */ |
| 1290 |
put_tag(pb, "ftyp");
|
| 1291 |
|
| 1292 |
if ( mov->mode == MODE_3GP )
|
| 1293 |
put_tag(pb, "3gp4");
|
| 1294 |
else if ( mov->mode == MODE_3G2 ) |
| 1295 |
put_tag(pb, "3g2a");
|
| 1296 |
else if ( mov->mode == MODE_PSP ) |
| 1297 |
put_tag(pb, "MSNV");
|
| 1298 |
else
|
| 1299 |
put_tag(pb, "isom");
|
| 1300 |
|
| 1301 |
put_be32(pb, 0x200 );
|
| 1302 |
|
| 1303 |
if ( mov->mode == MODE_3GP )
|
| 1304 |
put_tag(pb, "3gp4");
|
| 1305 |
else if ( mov->mode == MODE_3G2 ) |
| 1306 |
put_tag(pb, "3g2a");
|
| 1307 |
else if ( mov->mode == MODE_PSP ) |
| 1308 |
put_tag(pb, "MSNV");
|
| 1309 |
else
|
| 1310 |
put_tag(pb, "mp41");
|
| 1311 |
} |
| 1312 |
|
| 1313 |
static void mov_write_uuidprof_tag(ByteIOContext *pb, AVFormatContext *s) |
| 1314 |
{
|
| 1315 |
AVCodecContext *VideoCodec = s->streams[0]->codec;
|
| 1316 |
AVCodecContext *AudioCodec = s->streams[1]->codec;
|
| 1317 |
int AudioRate = AudioCodec->sample_rate;
|
| 1318 |
int FrameRate = ((VideoCodec->time_base.den) * (0x10000))/ (VideoCodec->time_base.num); |
| 1319 |
|
| 1320 |
put_be32(pb, 0x94 ); /* size */ |
| 1321 |
put_tag(pb, "uuid");
|
| 1322 |
put_tag(pb, "PROF");
|
| 1323 |
|
| 1324 |
put_be32(pb, 0x21d24fce ); /* 96 bit UUID */ |
| 1325 |
put_be32(pb, 0xbb88695c );
|
| 1326 |
put_be32(pb, 0xfac9c740 );
|
| 1327 |
|
| 1328 |
put_be32(pb, 0x0 ); /* ? */ |
| 1329 |
put_be32(pb, 0x3 ); /* 3 sections ? */ |
| 1330 |
|
| 1331 |
put_be32(pb, 0x14 ); /* size */ |
| 1332 |
put_tag(pb, "FPRF");
|
| 1333 |
put_be32(pb, 0x0 ); /* ? */ |
| 1334 |
put_be32(pb, 0x0 ); /* ? */ |
| 1335 |
put_be32(pb, 0x0 ); /* ? */ |
| 1336 |
|
| 1337 |
put_be32(pb, 0x2c ); /* size */ |
| 1338 |
put_tag(pb, "APRF"); /* audio */ |
| 1339 |
put_be32(pb, 0x0 );
|
| 1340 |
put_be32(pb, 0x2 ); /* TrackID */ |
| 1341 |
put_tag(pb, "mp4a");
|
| 1342 |
put_be32(pb, 0x20f );
|
| 1343 |
put_be32(pb, 0x0 );
|
| 1344 |
put_be32(pb, AudioCodec->bit_rate / 1000);
|
| 1345 |
put_be32(pb, AudioCodec->bit_rate / 1000);
|
| 1346 |
put_be32(pb, AudioRate ); |
| 1347 |
put_be32(pb, AudioCodec->channels ); |
| 1348 |
|
| 1349 |
put_be32(pb, 0x34 ); /* size */ |
| 1350 |
put_tag(pb, "VPRF"); /* video */ |
| 1351 |
put_be32(pb, 0x0 );
|
| 1352 |
put_be32(pb, 0x1 ); /* TrackID */ |
| 1353 |
put_tag(pb, "mp4v");
|
| 1354 |
put_be32(pb, 0x103 );
|
| 1355 |
put_be32(pb, 0x0 );
|
| 1356 |
put_be32(pb, VideoCodec->bit_rate / 1000);
|
| 1357 |
put_be32(pb, VideoCodec->bit_rate / 1000);
|
| 1358 |
put_be32(pb, FrameRate); |
| 1359 |
put_be32(pb, FrameRate); |
| 1360 |
put_be16(pb, VideoCodec->width); |
| 1361 |
put_be16(pb, VideoCodec->height); |
| 1362 |
put_be32(pb, 0x010001); /* ? */ |
| 1363 |
} |
| 1364 |
|
| 1365 |
static int mov_write_header(AVFormatContext *s) |
| 1366 |
{
|
| 1367 |
ByteIOContext *pb = &s->pb; |
| 1368 |
MOVContext *mov = s->priv_data; |
| 1369 |
int i;
|
| 1370 |
|
| 1371 |
for(i=0; i<s->nb_streams; i++){ |
| 1372 |
AVCodecContext *c= s->streams[i]->codec; |
| 1373 |
|
| 1374 |
if (c->codec_type == CODEC_TYPE_VIDEO){
|
| 1375 |
if (!codec_get_tag(codec_movvideo_tags, c->codec_id)){
|
| 1376 |
if(!codec_get_tag(codec_bmp_tags, c->codec_id))
|
| 1377 |
return -1; |
| 1378 |
else
|
| 1379 |
av_log(s, AV_LOG_INFO, "Warning, using MS style video codec tag, the file may be unplayable!\n");
|
| 1380 |
} |
| 1381 |
}else if(c->codec_type == CODEC_TYPE_AUDIO){ |
| 1382 |
if (!codec_get_tag(codec_movaudio_tags, c->codec_id)){
|
| 1383 |
if(!codec_get_tag(codec_wav_tags, c->codec_id))
|
| 1384 |
return -1; |
| 1385 |
else
|
| 1386 |
av_log(s, AV_LOG_INFO, "Warning, using MS style audio codec tag, the file may be unplayable!\n");
|
| 1387 |
} |
| 1388 |
} |
| 1389 |
/* don't know yet if mp4 or not */
|
| 1390 |
mov->tracks[i].language = ff_mov_iso639_to_lang(s->streams[i]->language, 1);
|
| 1391 |
} |
| 1392 |
|
| 1393 |
/* Default mode == MP4 */
|
| 1394 |
mov->mode = MODE_MP4; |
| 1395 |
|
| 1396 |
if (s->oformat != NULL) { |
| 1397 |
if (!strcmp("3gp", s->oformat->name)) mov->mode = MODE_3GP; |
| 1398 |
else if (!strcmp("3g2", s->oformat->name)) mov->mode = MODE_3G2; |
| 1399 |
else if (!strcmp("mov", s->oformat->name)) mov->mode = MODE_MOV; |
| 1400 |
else if (!strcmp("psp", s->oformat->name)) mov->mode = MODE_PSP; |
| 1401 |
|
| 1402 |
if ( mov->mode == MODE_3GP || mov->mode == MODE_3G2 ||
|
| 1403 |
mov->mode == MODE_MP4 || mov->mode == MODE_PSP ) |
| 1404 |
mov_write_ftyp_tag(pb,s); |
| 1405 |
if ( mov->mode == MODE_PSP ) {
|
| 1406 |
if ( s->nb_streams != 2 ) { |
| 1407 |
av_log(s, AV_LOG_ERROR, "PSP mode need one video and one audio stream\n");
|
| 1408 |
return -1; |
| 1409 |
} |
| 1410 |
mov_write_uuidprof_tag(pb,s); |
| 1411 |
} |
| 1412 |
} |
| 1413 |
|
| 1414 |
for (i=0; i<MAX_STREAMS; i++) { |
| 1415 |
mov->tracks[i].mode = mov->mode; |
| 1416 |
} |
| 1417 |
|
| 1418 |
put_flush_packet(pb); |
| 1419 |
|
| 1420 |
return 0; |
| 1421 |
} |
| 1422 |
|
| 1423 |
static int mov_write_packet(AVFormatContext *s, AVPacket *pkt) |
| 1424 |
{
|
| 1425 |
MOVContext *mov = s->priv_data; |
| 1426 |
ByteIOContext *pb = &s->pb; |
| 1427 |
AVCodecContext *enc = s->streams[pkt->stream_index]->codec; |
| 1428 |
MOVTrack* trk = &mov->tracks[pkt->stream_index]; |
| 1429 |
int cl, id;
|
| 1430 |
unsigned int samplesInChunk = 0; |
| 1431 |
int size= pkt->size;
|
| 1432 |
|
| 1433 |
if (url_is_streamed(&s->pb)) return 0; /* Can't handle that */ |
| 1434 |
if (!size) return 0; /* Discard 0 sized packets */ |
| 1435 |
|
| 1436 |
if (enc->codec_type == CODEC_TYPE_VIDEO ) {
|
| 1437 |
samplesInChunk = 1;
|
| 1438 |
} |
| 1439 |
else if (enc->codec_type == CODEC_TYPE_AUDIO ) { |
| 1440 |
if( enc->codec_id == CODEC_ID_AMR_NB) {
|
| 1441 |
/* We must find out how many AMR blocks there are in one packet */
|
| 1442 |
static uint16_t packed_size[16] = |
| 1443 |
{13, 14, 16, 18, 20, 21, 27, 32, 6, 0, 0, 0, 0, 0, 0, 0};
|
| 1444 |
int len = 0; |
| 1445 |
|
| 1446 |
while (len < size && samplesInChunk < 100) { |
| 1447 |
len += packed_size[(pkt->data[len] >> 3) & 0x0F]; |
| 1448 |
samplesInChunk++; |
| 1449 |
} |
| 1450 |
} |
| 1451 |
else if(enc->codec_id == CODEC_ID_PCM_ALAW) { |
| 1452 |
samplesInChunk = size/enc->channels; |
| 1453 |
} |
| 1454 |
else if(enc->codec_id == CODEC_ID_PCM_S16BE || enc->codec_id == CODEC_ID_PCM_S16LE) { |
| 1455 |
samplesInChunk = size/(2*enc->channels);
|
| 1456 |
} |
| 1457 |
else {
|
| 1458 |
samplesInChunk = 1;
|
| 1459 |
} |
| 1460 |
} |
| 1461 |
|
| 1462 |
if ((enc->codec_id == CODEC_ID_MPEG4 || enc->codec_id == CODEC_ID_AAC)
|
| 1463 |
&& trk->vosLen == 0) {
|
| 1464 |
// assert(enc->extradata_size);
|
| 1465 |
|
| 1466 |
trk->vosLen = enc->extradata_size; |
| 1467 |
trk->vosData = av_malloc(trk->vosLen); |
| 1468 |
memcpy(trk->vosData, enc->extradata, trk->vosLen); |
| 1469 |
} |
| 1470 |
|
| 1471 |
cl = trk->entry / MOV_INDEX_CLUSTER_SIZE; |
| 1472 |
id = trk->entry % MOV_INDEX_CLUSTER_SIZE; |
| 1473 |
|
| 1474 |
if (trk->ents_allocated <= trk->entry) {
|
| 1475 |
trk->cluster = av_realloc(trk->cluster, (cl+1)*sizeof(void*)); |
| 1476 |
if (!trk->cluster)
|
| 1477 |
return -1; |
| 1478 |
trk->cluster[cl] = av_malloc(MOV_INDEX_CLUSTER_SIZE*sizeof(MOVIentry));
|
| 1479 |
if (!trk->cluster[cl])
|
| 1480 |
return -1; |
| 1481 |
trk->ents_allocated += MOV_INDEX_CLUSTER_SIZE; |
| 1482 |
} |
| 1483 |
if (mov->mdat_written == 0) { |
| 1484 |
mov_write_mdat_tag(pb, mov); |
| 1485 |
mov->mdat_written = 1;
|
| 1486 |
mov->time = s->timestamp + 0x7C25B080; //1970 based -> 1904 based |
| 1487 |
} |
| 1488 |
|
| 1489 |
trk->cluster[cl][id].pos = url_ftell(pb); |
| 1490 |
trk->cluster[cl][id].samplesInChunk = samplesInChunk; |
| 1491 |
trk->cluster[cl][id].size = size; |
| 1492 |
trk->cluster[cl][id].entries = samplesInChunk; |
| 1493 |
if(enc->codec_type == CODEC_TYPE_VIDEO) {
|
| 1494 |
trk->cluster[cl][id].key_frame = !!(pkt->flags & PKT_FLAG_KEY); |
| 1495 |
if(trk->cluster[cl][id].key_frame)
|
| 1496 |
trk->hasKeyframes = 1;
|
| 1497 |
} |
| 1498 |
trk->enc = enc; |
| 1499 |
trk->entry++; |
| 1500 |
trk->sampleCount += samplesInChunk; |
| 1501 |
trk->mdat_size += size; |
| 1502 |
|
| 1503 |
put_buffer(pb, pkt->data, size); |
| 1504 |
|
| 1505 |
put_flush_packet(pb); |
| 1506 |
return 0; |
| 1507 |
} |
| 1508 |
|
| 1509 |
static int mov_write_trailer(AVFormatContext *s) |
| 1510 |
{
|
| 1511 |
MOVContext *mov = s->priv_data; |
| 1512 |
ByteIOContext *pb = &s->pb; |
| 1513 |
int res = 0; |
| 1514 |
int i;
|
| 1515 |
uint64_t j; |
| 1516 |
|
| 1517 |
offset_t moov_pos = url_ftell(pb); |
| 1518 |
|
| 1519 |
/* Write size of mdat tag */
|
| 1520 |
for (i=0, j=0; i<MAX_STREAMS; i++) { |
| 1521 |
if(mov->tracks[i].ents_allocated > 0) { |
| 1522 |
j += mov->tracks[i].mdat_size; |
| 1523 |
} |
| 1524 |
} |
| 1525 |
if (j+8 <= UINT32_MAX) { |
| 1526 |
url_fseek(pb, mov->mdat_pos, SEEK_SET); |
| 1527 |
put_be32(pb, j+8);
|
| 1528 |
} else {
|
| 1529 |
/* overwrite 'wide' placeholder atom */
|
| 1530 |
url_fseek(pb, mov->mdat_pos - 8, SEEK_SET);
|
| 1531 |
put_be32(pb, 1); /* special value: real atom size will be 64 bit value after tag field */ |
| 1532 |
put_tag(pb, "mdat");
|
| 1533 |
put_be64(pb, j+16);
|
| 1534 |
} |
| 1535 |
url_fseek(pb, moov_pos, SEEK_SET); |
| 1536 |
|
| 1537 |
mov_write_moov_tag(pb, mov, s); |
| 1538 |
|
| 1539 |
for (i=0; i<MAX_STREAMS; i++) { |
| 1540 |
for (j=0; j<mov->tracks[i].ents_allocated/MOV_INDEX_CLUSTER_SIZE; j++) { |
| 1541 |
av_free(mov->tracks[i].cluster[j]); |
| 1542 |
} |
| 1543 |
av_free(mov->tracks[i].cluster); |
| 1544 |
if( mov->tracks[i].vosLen ) av_free( mov->tracks[i].vosData );
|
| 1545 |
|
| 1546 |
mov->tracks[i].cluster = NULL;
|
| 1547 |
mov->tracks[i].ents_allocated = mov->tracks[i].entry = 0;
|
| 1548 |
} |
| 1549 |
|
| 1550 |
put_flush_packet(pb); |
| 1551 |
|
| 1552 |
return res;
|
| 1553 |
} |
| 1554 |
|
| 1555 |
static AVOutputFormat mov_oformat = {
|
| 1556 |
"mov",
|
| 1557 |
"mov format",
|
| 1558 |
NULL,
|
| 1559 |
"mov",
|
| 1560 |
sizeof(MOVContext),
|
| 1561 |
CODEC_ID_AAC, |
| 1562 |
CODEC_ID_MPEG4, |
| 1563 |
mov_write_header, |
| 1564 |
mov_write_packet, |
| 1565 |
mov_write_trailer, |
| 1566 |
.flags = AVFMT_GLOBALHEADER, |
| 1567 |
}; |
| 1568 |
|
| 1569 |
static AVOutputFormat _3gp_oformat = {
|
| 1570 |
"3gp",
|
| 1571 |
"3gp format",
|
| 1572 |
NULL,
|
| 1573 |
"3gp",
|
| 1574 |
sizeof(MOVContext),
|
| 1575 |
CODEC_ID_AMR_NB, |
| 1576 |
CODEC_ID_H263, |
| 1577 |
mov_write_header, |
| 1578 |
mov_write_packet, |
| 1579 |
mov_write_trailer, |
| 1580 |
.flags = AVFMT_GLOBALHEADER, |
| 1581 |
}; |
| 1582 |
|
| 1583 |
static AVOutputFormat mp4_oformat = {
|
| 1584 |
"mp4",
|
| 1585 |
"mp4 format",
|
| 1586 |
"application/mp4",
|
| 1587 |
"mp4,m4a",
|
| 1588 |
sizeof(MOVContext),
|
| 1589 |
CODEC_ID_AAC, |
| 1590 |
CODEC_ID_MPEG4, |
| 1591 |
mov_write_header, |
| 1592 |
mov_write_packet, |
| 1593 |
mov_write_trailer, |
| 1594 |
.flags = AVFMT_GLOBALHEADER, |
| 1595 |
}; |
| 1596 |
|
| 1597 |
static AVOutputFormat psp_oformat = {
|
| 1598 |
"psp",
|
| 1599 |
"psp mp4 format",
|
| 1600 |
NULL,
|
| 1601 |
"mp4,psp",
|
| 1602 |
sizeof(MOVContext),
|
| 1603 |
CODEC_ID_AAC, |
| 1604 |
CODEC_ID_MPEG4, |
| 1605 |
mov_write_header, |
| 1606 |
mov_write_packet, |
| 1607 |
mov_write_trailer, |
| 1608 |
.flags = AVFMT_GLOBALHEADER, |
| 1609 |
}; |
| 1610 |
|
| 1611 |
static AVOutputFormat _3g2_oformat = {
|
| 1612 |
"3g2",
|
| 1613 |
"3gp2 format",
|
| 1614 |
NULL,
|
| 1615 |
"3g2",
|
| 1616 |
sizeof(MOVContext),
|
| 1617 |
CODEC_ID_AMR_NB, |
| 1618 |
CODEC_ID_H263, |
| 1619 |
mov_write_header, |
| 1620 |
mov_write_packet, |
| 1621 |
mov_write_trailer, |
| 1622 |
.flags = AVFMT_GLOBALHEADER, |
| 1623 |
}; |
| 1624 |
|
| 1625 |
int movenc_init(void) |
| 1626 |
{
|
| 1627 |
av_register_output_format(&mov_oformat); |
| 1628 |
av_register_output_format(&_3gp_oformat); |
| 1629 |
av_register_output_format(&mp4_oformat); |
| 1630 |
av_register_output_format(&psp_oformat); |
| 1631 |
av_register_output_format(&_3g2_oformat); |
| 1632 |
return 0; |
| 1633 |
} |