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whitespace cosmetics
[mplayer/glamo.git] / libmpdemux / demux_mov.c
blob11641671405926c2192a3cd804ac45d2de34d223
1 // QuickTime MOV file parser by A'rpi
2 // additional work by Atmos
3 // based on TOOLS/movinfo.c by A'rpi & Al3x
4 // compressed header support from moov.c of the openquicktime lib.
5 // References: http://openquicktime.sf.net/, http://www.heroinewarrior.com/
6 // http://www.geocities.com/SiliconValley/Lakes/2160/fformats/files/mov.pdf
7 // (above url no longer works, file mirrored somewhere? ::atmos)
8 // The QuickTime File Format PDF from Apple:
9 // http://developer.apple.com/techpubs/quicktime/qtdevdocs/PDF/QTFileFormat.pdf
10 // (Complete list of documentation at http://developer.apple.com/quicktime/)
11 // MP4-Lib sources from http://mpeg4ip.sf.net/ might be useful for .mp4
12 // as well as .mov specific stuff.
13 // All sort of Stuff about MPEG4:
14 // http://www.cmlab.csie.ntu.edu.tw/~pkhsiao/thesis.html
15 // I really recommend N4270-1.doc and N4270-2.doc which are exact specs
16 // of the MP4-File Format and the MPEG4 Specific extensions. ::atmos
17 // TSGS#15(02)0088
18 // http://www.3gpp.org/ftp/tsg_sa/TSG_SA/TSGS_15/Docs/pdf/SP-020088.pdf
19 // http://www.3gpp2.org/Public_html/specs/C.S0050-0_v1.0_121503.pdf
20
21 #include <stdio.h>
22 #include <stdlib.h>
23 #include <unistd.h>
24 #include <inttypes.h>
25
26 #include "config.h"
27
28 #ifdef CONFIG_QUICKTIME
29 #include <QuickTime/QuickTime.h>
30 #include <QuickTime/ImageCompression.h>
31 #include <QuickTime/ImageCodec.h>
32 #else
33 #include "loader/qtx/qtxsdk/components.h"
34 #endif
35
36 #include "mp_msg.h"
37 #include "help_mp.h"
38
39 #include "stream/stream.h"
40 #include "demuxer.h"
41 #include "stheader.h"
42
43 #include "libmpcodecs/img_format.h"
44 #include "libavutil/intreadwrite.h"
45
46 #include "libvo/sub.h"
47
48 #include "qtpalette.h"
49 #include "parse_mp4.h" // .MP4 specific stuff
50
51 #ifdef CONFIG_ZLIB
52 #include <zlib.h>
53 #endif
54
55 #ifndef _FCNTL_H
56 #include <fcntl.h>
57 #endif
58
59 #define char2short(x,y) AV_RB16(&(x)[(y)])
60 #define char2int(x,y) AV_RB32(&(x)[(y)])
61
62 typedef struct {
63 unsigned int pts; // duration
64 unsigned int size;
65 off_t pos;
66 } mov_sample_t;
67
68 typedef struct {
69 unsigned int sample; // number of the first sample in the chunk
70 unsigned int size; // number of samples in the chunk
71 int desc; // for multiple codecs mode - not used
72 off_t pos;
73 } mov_chunk_t;
74
75 typedef struct {
76 unsigned int first;
77 unsigned int spc;
78 unsigned int sdid;
79 } mov_chunkmap_t;
80
81 typedef struct {
82 unsigned int num;
83 unsigned int dur;
84 } mov_durmap_t;
85
86 typedef struct {
87 unsigned int dur;
88 unsigned int pos;
89 int speed;
90 //
91 int frames;
92 int start_sample;
93 int start_frame;
94 int pts_offset;
95 } mov_editlist_t;
96
97 #define MOV_TRAK_UNKNOWN 0
98 #define MOV_TRAK_VIDEO 1
99 #define MOV_TRAK_AUDIO 2
100 #define MOV_TRAK_FLASH 3
101 #define MOV_TRAK_GENERIC 4
102 #define MOV_TRAK_CODE 5
103
104 typedef struct {
105 int id;
106 int type;
107 off_t pos;
108 //
109 unsigned int media_handler;
110 unsigned int data_handler;
111 //
112 int timescale;
113 unsigned int length;
114 int samplesize; // 0 = variable
115 int duration; // 0 = variable
116 int width,height; // for video
117 unsigned int fourcc;
118 unsigned int nchannels;
119 unsigned int samplebytes;
120 //
121 int tkdata_len; // track data
122 unsigned char* tkdata;
123 int stdata_len; // stream data
124 unsigned char* stdata;
125 //
126 unsigned char* stream_header;
127 int stream_header_len; // if >0, this header should be sent before the 1st frame
128 //
129 int samples_size;
130 mov_sample_t* samples;
131 int chunks_size;
132 mov_chunk_t* chunks;
133 int chunkmap_size;
134 mov_chunkmap_t* chunkmap;
135 int durmap_size;
136 mov_durmap_t* durmap;
137 int keyframes_size;
138 unsigned int* keyframes;
139 int editlist_size;
140 mov_editlist_t* editlist;
141 int editlist_pos;
142 //
143 void* desc; // image/sound/etc description (pointer to ImageDescription etc)
144 } mov_track_t;
145
146 void mov_build_index(mov_track_t* trak,int timescale){
147 int i,j,s;
148 int last=trak->chunks_size;
149 unsigned int pts=0;
150
151 #if 0
152 if (trak->chunks_size <= 0)
153 {
154 mp_msg(MSGT_DEMUX, MSGL_WARN, "No chunk offset table, trying to build one!\n");
155
156 trak->chunks_size = trak->samples_size; /* XXX: FIXME ! */
157 // audit: this code will be vulnerable if it is reenabled (currently #if 0)
158 trak->chunks = realloc(trak->chunks, sizeof(mov_chunk_t)*trak->chunks_size);
159
160 for (i=0; i < trak->chunks_size; i++)
161 trak->chunks[i].pos = -1;
162 }
163 #endif
164
165 mp_msg(MSGT_DEMUX, MSGL_V, "MOV track #%d: %d chunks, %d samples\n",trak->id,trak->chunks_size,trak->samples_size);
166 mp_msg(MSGT_DEMUX, MSGL_V, "pts=%d scale=%d time=%5.3f\n",trak->length,trak->timescale,(float)trak->length/(float)trak->timescale);
167
168 // process chunkmap:
169 i=trak->chunkmap_size;
170 while(i>0){
171 --i;
172 j=trak->chunkmap[i].first;
173 for(;j>=0 && j<last;j++){
174 trak->chunks[j].desc=trak->chunkmap[i].sdid;
175 trak->chunks[j].size=trak->chunkmap[i].spc;
176 }
177 last=FFMIN(trak->chunkmap[i].first, trak->chunks_size);
178 }
179
180 #if 0
181 for (i=0; i < trak->chunks_size; i++)
182 {
183 /* fixup position */
184 if (trak->chunks[i].pos == -1)
185 if (i > 0)
186 trak->chunks[i].pos = trak->chunks[i-1].pos + trak->chunks[i-1].size;
187 else
188 trak->chunks[i].pos = 0; /* FIXME: set initial pos */
189 #endif
190
191 // calc pts of chunks:
192 s=0;
193 for(j=0;j<trak->chunks_size;j++){
194 trak->chunks[j].sample=s;
195 s+=trak->chunks[j].size;
196 }
197 i = 0;
198 for (j = 0; j < trak->durmap_size; j++)
199 i += trak->durmap[j].num;
200 if (i != s) {
201 mp_msg(MSGT_DEMUX, MSGL_WARN,
202 "MOV: durmap and chunkmap sample count differ (%i vs %i)\n", i, s);
203 if (i > s) s = i;
204 }
205
206 // workaround for fixed-size video frames (dv and uncompressed)
207 if(!trak->samples_size && trak->type!=MOV_TRAK_AUDIO){
208 trak->samples=calloc(s, sizeof(mov_sample_t));
209 trak->samples_size=trak->samples ? s : 0;
210 for(i=0;i<trak->samples_size;i++)
211 trak->samples[i].size=trak->samplesize;
212 trak->samplesize=0;
213 }
214
215 if(!trak->samples_size){
216 // constant sampesize
217 if(trak->durmap_size==1 || (trak->durmap_size==2 && trak->durmap[1].num==1)){
218 trak->duration=trak->durmap[0].dur;
219 } else mp_msg(MSGT_DEMUX, MSGL_ERR, "*** constant samplesize & variable duration not yet supported! ***\nContact the author if you have such sample file!\n");
220 return;
221 }
222
223 if (trak->samples_size < s) {
224 mp_msg(MSGT_DEMUX, MSGL_WARN,
225 "MOV: durmap or chunkmap bigger than sample count (%i vs %i)\n",
226 s, trak->samples_size);
227 trak->samples = realloc_struct(trak->samples, s, sizeof(mov_sample_t));
228 trak->samples_size = trak->samples ? s : 0;
229 }
230
231 // calc pts:
232 s=0;
233 for(j=0;j<trak->durmap_size;j++){
234 for(i=0;i<trak->durmap[j].num;i++){
235 if (s >= trak->samples_size)
236 break;
237 trak->samples[s].pts=pts;
238 ++s;
239 pts+=trak->durmap[j].dur;
240 }
241 }
242
243 // calc sample offsets
244 s=0;
245 for(j=0;j<trak->chunks_size;j++){
246 off_t pos=trak->chunks[j].pos;
247 for(i=0;i<trak->chunks[j].size;i++){
248 if (s >= trak->samples_size)
249 break;
250 trak->samples[s].pos=pos;
251 mp_msg(MSGT_DEMUX, MSGL_DBG3, "Sample %5d: pts=%8d off=0x%08X size=%d\n",s,
252 trak->samples[s].pts,
253 (int)trak->samples[s].pos,
254 trak->samples[s].size);
255 pos+=trak->samples[s].size;
256 ++s;
257 }
258 }
259
260 // precalc editlist entries
261 if(trak->editlist_size>0){
262 int frame=0;
263 int e_pts=0;
264 for(i=0;i<trak->editlist_size;i++){
265 mov_editlist_t* el=&trak->editlist[i];
266 int sample=0;
267 int pts=el->pos;
268 el->start_frame=frame;
269 if(pts<0){
270 // skip!
271 el->frames=0; continue;
272 }
273 // find start sample
274 for(;sample<trak->samples_size;sample++){
275 if(pts<=trak->samples[sample].pts) break;
276 }
277 el->start_sample=sample;
278 el->pts_offset=((long long)e_pts*(long long)trak->timescale)/(long long)timescale-trak->samples[sample].pts;
279 pts+=((long long)el->dur*(long long)trak->timescale)/(long long)timescale;
280 e_pts+=el->dur;
281 // find end sample
282 for(;sample<trak->samples_size;sample++){
283 if(pts<trak->samples[sample].pts) break;
284 }
285 el->frames=sample-el->start_sample;
286 frame+=el->frames;
287 mp_msg(MSGT_DEMUX,MSGL_V,"EL#%d: pts=%d 1st_sample=%d frames=%d (%5.3fs) pts_offs=%d\n",i,
288 el->pos,el->start_sample, el->frames,
289 (float)(el->dur)/(float)timescale, el->pts_offset);
290 }
291 }
292
293 }
294
295 #define MOV_MAX_TRACKS 256
296 #define MOV_MAX_SUBLEN 1024
297
298 typedef struct {
299 off_t moov_start;
300 off_t moov_end;
301 off_t mdat_start;
302 off_t mdat_end;
303 int track_db;
304 mov_track_t* tracks[MOV_MAX_TRACKS];
305 int timescale; // movie timescale
306 int duration; // movie duration (in movie timescale units)
307 subtitle subs;
308 char subtext[MOV_MAX_SUBLEN + 1];
309 int current_sub;
310 } mov_priv_t;
311
312 #define MOV_FOURCC(a,b,c,d) ((a<<24)|(b<<16)|(c<<8)|(d))
313
314 static int mov_check_file(demuxer_t* demuxer){
315 int flags=0;
316 int no=0;
317 mov_priv_t* priv=malloc(sizeof(mov_priv_t));
318
319 mp_msg(MSGT_DEMUX,MSGL_V,"Checking for MOV\n");
320
321 memset(priv,0,sizeof(mov_priv_t));
322 priv->current_sub = -1;
323
324 while(1){
325 int i;
326 int skipped=8;
327 off_t len=stream_read_dword(demuxer->stream);
328 unsigned int id=stream_read_dword(demuxer->stream);
329 if(stream_eof(demuxer->stream)) break; // EOF
330 if (len == 1) /* real size is 64bits - cjb */
331 {
332 #ifndef _LARGEFILE_SOURCE
333 if (stream_read_dword(demuxer->stream) != 0)
334 mp_msg(MSGT_DEMUX, MSGL_WARN, "64bit file, but you've compiled MPlayer without LARGEFILE support!\n");
335 len = stream_read_dword(demuxer->stream);
336 #else
337 len = stream_read_qword(demuxer->stream);
338 #endif
339 skipped += 8;
340 }
341 #if 0
342 else if (len == 0) /* deleted chunk */
343 {
344 /* XXX: CJB! is this right? - alex */
345 goto skip_chunk;
346 }
347 #endif
348 else if(len<8) break; // invalid chunk
349
350 switch(id){
351 case MOV_FOURCC('f','t','y','p'): {
352 unsigned int tmp;
353 // File Type Box (ftyp):
354 // char[4] major_brand (eg. 'isom')
355 // int minor_version (eg. 0x00000000)
356 // char[4] compatible_brands[] (eg. 'mp41')
357 // compatible_brands list spans to the end of box
358 #if 1
359 tmp = stream_read_dword(demuxer->stream);
360 switch(tmp) {
361 case MOV_FOURCC('i','s','o','m'):
362 mp_msg(MSGT_DEMUX,MSGL_V,"ISO: File Type Major Brand: ISO Base Media\n");
363 break;
364 case MOV_FOURCC('m','p','4','1'):
365 mp_msg(MSGT_DEMUX,MSGL_INFO,"ISO: File Type Major Brand: ISO/IEC 14496-1 (MPEG-4 system) v1\n");
366 break;
367 case MOV_FOURCC('m','p','4','2'):
368 mp_msg(MSGT_DEMUX,MSGL_INFO,"ISO: File Type Major Brand: ISO/IEC 14496-1 (MPEG-4 system) v2\n");
369 break;
370 case MOV_FOURCC('M','4','A',' '):
371 mp_msg(MSGT_DEMUX,MSGL_INFO,"ISO: File Type Major Brand: Apple iTunes AAC-LC Audio\n");
372 break;
373 case MOV_FOURCC('M','4','P',' '):
374 mp_msg(MSGT_DEMUX,MSGL_INFO,"ISO: File Type Major Brand: Apple iTunes AAC-LC Protected Audio\n");
375 break;
376 case MOV_FOURCC('q','t',' ',' '):
377 mp_msg(MSGT_DEMUX,MSGL_INFO,"ISO: File Type Major Brand: Original QuickTime\n");
378 break;
379 case MOV_FOURCC('3','g','p','1'):
380 mp_msg(MSGT_DEMUX,MSGL_INFO,"ISO: File Type Major Brand: 3GPP Profile 1\n");
381 break;
382 case MOV_FOURCC('3','g','p','2'):
383 case MOV_FOURCC('3','g','2','a'):
384 mp_msg(MSGT_DEMUX,MSGL_INFO,"ISO: File Type Major Brand: 3GPP Profile 2\n");
385 break;
386 case MOV_FOURCC('3','g','p','3'):
387 mp_msg(MSGT_DEMUX,MSGL_INFO,"ISO: File Type Major Brand: 3GPP Profile 3\n");
388 break;
389 case MOV_FOURCC('3','g','p','4'):
390 mp_msg(MSGT_DEMUX,MSGL_INFO,"ISO: File Type Major Brand: 3GPP Profile 4\n");
391 break;
392 case MOV_FOURCC('3','g','p','5'):
393 mp_msg(MSGT_DEMUX,MSGL_INFO,"ISO: File Type Major Brand: 3GPP Profile 5\n");
394 break;
395 case MOV_FOURCC('m','m','p','4'):
396 mp_msg(MSGT_DEMUX,MSGL_INFO,"ISO: File Type Major Brand: Mobile ISO/IEC 14496-1 (MPEG-4 system)\n");
397 break;
398 default:
399 tmp = be2me_32(tmp);
400 mp_msg(MSGT_DEMUX,MSGL_WARN,"ISO: Unknown File Type Major Brand: %.4s\n",(char *)&tmp);
401 }
402 mp_msg(MSGT_DEMUX,MSGL_V,"ISO: File Type Minor Version: %d\n",
403 stream_read_dword(demuxer->stream));
404 skipped += 8;
405 // List all compatible brands
406 for(i = 0; i < ((len-16)/4); i++) {
407 tmp = be2me_32(stream_read_dword(demuxer->stream));
408 mp_msg(MSGT_DEMUX,MSGL_V,"ISO: File Type Compatible Brand #%d: %.4s\n",i,(char *)&tmp);
409 skipped += 4;
410 }
411 #endif
412 } break;
413 case MOV_FOURCC('m','o','o','v'):
414 // case MOV_FOURCC('c','m','o','v'):
415 mp_msg(MSGT_DEMUX,MSGL_V,"MOV: Movie header found!\n");
416 priv->moov_start=(off_t)stream_tell(demuxer->stream);
417 priv->moov_end=(off_t)priv->moov_start+len-skipped;
418 mp_msg(MSGT_DEMUX,MSGL_DBG2,"MOV: Movie header: start: %"PRIx64" end: %"PRIx64"\n",
419 (int64_t)priv->moov_start, (int64_t)priv->moov_end);
420 skipped+=8;
421 i = stream_read_dword(demuxer->stream)-8;
422 if(stream_read_dword(demuxer->stream)==MOV_FOURCC('r','m','r','a')){
423 skipped+=i;
424 mp_msg(MSGT_DEMUX,MSGL_INFO,"MOV: Reference Media file!!!\n");
425 //set demuxer type to playlist ...
426 demuxer->type=DEMUXER_TYPE_PLAYLIST;
427 while(i>0){
428 int len=stream_read_dword(demuxer->stream)-8;
429 int fcc=stream_read_dword(demuxer->stream);
430 if(len<0) break; // EOF!?
431 i-=8;
432 // printf("i=%d len=%d\n",i,len);
433 switch(fcc){
434 case MOV_FOURCC('r','m','d','a'):
435 continue;
436 case MOV_FOURCC('r','d','r','f'): {
437 int tmp=stream_read_dword(demuxer->stream);
438 int type=stream_read_dword_le(demuxer->stream);
439 int slen=stream_read_dword(demuxer->stream);
440 //char* s=malloc(slen+1);
441 //stream_read(demuxer->stream,s,slen);
442
443 //FIXME: also store type & data_rate ?
444 ds_read_packet(demuxer->video,
445 demuxer->stream,
446 slen,
447 0,
448 stream_tell(demuxer->stream),
449 0 // no flags
450 );
451 flags|=4;
452 mp_msg(MSGT_DEMUX,MSGL_V,"Added reference to playlist\n");
453 //s[slen]=0;
454 //mp_msg(MSGT_DEMUX,MSGL_INFO,"REF: [%.4s] %s\n",&type,s);
455 len-=12+slen;i-=12+slen; break;
456 }
457 case MOV_FOURCC('r','m','d','r'): {
458 int flags=stream_read_dword(demuxer->stream);
459 int rate=stream_read_dword(demuxer->stream);
460 mp_msg(MSGT_DEMUX,MSGL_V," min. data rate: %d bits/sec\n",rate);
461 len-=8; i-=8; break;
462 }
463 case MOV_FOURCC('r','m','q','u'): {
464 int q=stream_read_dword(demuxer->stream);
465 mp_msg(MSGT_DEMUX,MSGL_V," quality index: %d\n",q);
466 len-=4; i-=4; break;
467 }
468 }
469 i-=len;stream_skip(demuxer->stream,len);
470 }
471 }
472 flags|=1;
473 break;
474 case MOV_FOURCC('w','i','d','e'):
475 mp_msg(MSGT_DEMUX,MSGL_V,"MOV: 'WIDE' chunk found!\n");
476 if(flags&2) break;
477 case MOV_FOURCC('m','d','a','t'):
478 mp_msg(MSGT_DEMUX,MSGL_V,"MOV: Movie DATA found!\n");
479 priv->mdat_start=stream_tell(demuxer->stream);
480 priv->mdat_end=priv->mdat_start+len-skipped;
481 mp_msg(MSGT_DEMUX,MSGL_DBG2,"MOV: Movie data: start: %"PRIx64" end: %"PRIx64"\n",
482 (int64_t)priv->mdat_start, (int64_t)priv->mdat_end);
483 flags|=2;
484 if(flags==3){
485 // if we're over the headers, then we can stop parsing here!
486 demuxer->priv=priv;
487 return DEMUXER_TYPE_MOV;
488 }
489 break;
490 case MOV_FOURCC('f','r','e','e'):
491 case MOV_FOURCC('s','k','i','p'):
492 case MOV_FOURCC('j','u','n','k'):
493 mp_msg(MSGT_DEMUX,MSGL_DBG2,"MOV: free space (len: %"PRId64")\n", (int64_t)len);
494 /* unused, if you edit a mov, you can use space provided by free atoms (redefining it) */
495 break;
496 case MOV_FOURCC('p','n','o','t'):
497 case MOV_FOURCC('P','I','C','T'):
498 /* dunno what, but we shoudl ignore it */
499 break;
500 default:
501 if(no==0){ free(priv); return 0;} // first chunk is bad!
502 id = be2me_32(id);
503 mp_msg(MSGT_DEMUX,MSGL_V,"MOV: unknown chunk: %.4s %d\n",(char *)&id,(int)len);
504 }
505 //skip_chunk:
506 if(!stream_skip(demuxer->stream,len-skipped)) break;
507 ++no;
508 }
509
510 if(flags==3){
511 demuxer->priv=priv;
512 return DEMUXER_TYPE_MOV;
513 }
514 free(priv);
515
516 if ((flags==5) || (flags==7)) // reference & header sent
517 return DEMUXER_TYPE_PLAYLIST;
518
519 if(flags==1)
520 mp_msg(MSGT_DEMUX,MSGL_WARN,"MOV: missing data (mdat) chunk! Maybe broken file...\n");
521 else if(flags==2)
522 mp_msg(MSGT_DEMUX,MSGL_WARN,"MOV: missing header (moov/cmov) chunk! Maybe broken file...\n");
523
524 return 0;
525 }
526
527 static void demux_close_mov(demuxer_t *demuxer) {
528 mov_priv_t* priv = demuxer->priv;
529 int i;
530 if (!priv)
531 return;
532 for (i = 0; i < MOV_MAX_TRACKS; i++) {
533 mov_track_t *track = priv->tracks[i];
534 if (track) {
535 free(track->tkdata);
536 free(track->stdata);
537 free(track->stream_header);
538 free(track->samples);
539 free(track->chunks);
540 free(track->chunkmap);
541 free(track->durmap);
542 free(track->keyframes);
543 free(track->editlist);
544 free(track->desc);
545 free(track);
546 }
547 }
548 free(priv);
549 }
550
551 unsigned int store_ughvlc(unsigned char *s, unsigned int v){
552 unsigned int n = 0;
553
554 while(v >= 0xff) {
555 *s++ = 0xff;
556 v -= 0xff;
557 n++;
558 }
559 *s = v;
560 n++;
561
562 return n;
563 }
564
565 static void init_vobsub(sh_sub_t *sh, mov_track_t *trak) {
566 sh->type = 'v';
567 if (trak->stdata_len < 106)
568 return;
569 sh->extradata_len = 16*4;
570 sh->extradata = malloc(sh->extradata_len);
571 memcpy(sh->extradata, trak->stdata + 42, sh->extradata_len);
572 }
573
574 static int lschunks_intrak(demuxer_t* demuxer, int level, unsigned int id,
575 off_t pos, off_t len, mov_track_t* trak);
576
577 static int gen_sh_audio(sh_audio_t* sh, mov_track_t* trak, int timescale) {
578 #if 0
579 struct {
580 int16_t version; // 0 or 1 (version 1 is qt3.0+)
581 int16_t revision; // 0
582 int32_t vendor_id; // 0
583 int16_t channels; // 1 or 2 (Mono/Stereo)
584 int16_t samplesize; // 8 or 16 (8Bit/16Bit)
585 int16_t compression_id; // if version 0 then 0
586 // if version 1 and vbr then -2 else 0
587 int16_t packet_size; // 0
588 uint16_t sample_rate; // samplerate (Hz)
589 // qt3.0+ (version == 1)
590 uint32_t samples_per_packet; // 0 or num uncompressed samples in a packet
591 // if 0 below three values are also 0
592 uint32_t bytes_per_packet; // 0 or num compressed bytes for one channel
593 uint32_t bytes_per_frame; // 0 or num compressed bytes for all channels
594 // (channels * bytes_per_packet)
595 uint32_t bytes_per_sample; // 0 or size of uncompressed sample
596 // if samples_per_packet and bytes_per_packet are constant (CBR)
597 // then bytes_per_frame and bytes_per_sample must be 0 (else is VBR)
598 // ---
599 // optional additional atom-based fields
600 // ([int32_t size,int32_t type,some data ],repeat)
601 } my_stdata;
602 #endif
603 int version, adjust;
604 int is_vorbis = 0;
605 sh->format=trak->fourcc;
606
607 // crude audio delay from editlist0 hack ::atm
608 if(trak->editlist_size>=1) {
609 if(trak->editlist[0].pos == -1) {
610 sh->stream_delay = (float)trak->editlist[0].dur/(float)timescale;
611 mp_msg(MSGT_DEMUX,MSGL_V,"MOV: Initial Audio-Delay: %.3f sec\n", sh->stream_delay);
612 }
613 }
614
615
616 switch( sh->format ) {
617 case 0x726D6173: /* samr */
618 /* amr narrowband */
619 trak->samplebytes=sh->samplesize=1;
620 trak->nchannels=sh->channels=1;
621 sh->samplerate=8000;
622 break;
623
624 case 0x62776173: /* sawb */
625 /* amr wideband */
626 trak->samplebytes=sh->samplesize=1;
627 trak->nchannels=sh->channels=1;
628 sh->samplerate=16000;
629 break;
630
631 default:
632
633 // assumptions for below table: short is 16bit, int is 32bit, intfp is 16bit
634 // XXX: 32bit fixed point numbers (intfp) are only 2 Byte!
635 // short values are usually one byte leftpadded by zero
636 // int values are usually two byte leftpadded by zero
637 // stdata[]:
638 // 8 short version
639 // 10 short revision
640 // 12 int vendor_id
641 // 16 short channels
642 // 18 short samplesize
643 // 20 short compression_id
644 // 22 short packet_size (==0)
645 // 24 intfp sample_rate
646 // (26 short) unknown (==0)
647 // ---- qt3.0+ (version>=1)
648 // 28 int samples_per_packet
649 // 32 int bytes_per_packet
650 // 36 int bytes_per_frame
651 // 40 int bytes_per_sample
652 // there may be additional atoms following at 28 (version 0)
653 // or 44 (version 1), eg. esds atom of .MP4 files
654 // esds atom:
655 // 28 int atom size (bytes of int size, int type and data)
656 // 32 char[4] atom type (fourc charater code -> esds)
657 // 36 char[] atom data (len=size-8)
658
659 // TODO: fix parsing for files using version 2.
660 if (trak->stdata_len < 26) {
661 mp_msg(MSGT_DEMUX, MSGL_WARN, "MOV: broken (too small) sound atom!\n");
662 return 0;
663 }
664 version=char2short(trak->stdata,8);
665 if (version > 1)
666 mp_msg(MSGT_DEMUX, MSGL_WARN, "MOV: version %d sound atom may not parse correctly!\n", version);
667 trak->samplebytes=sh->samplesize=char2short(trak->stdata,18)/8;
668
669 /* I can't find documentation, but so far this is the case. -Corey */
670 switch (char2short(trak->stdata,16)) {
671 case 1:
672 trak->nchannels = 1; break;
673 case 2:
674 trak->nchannels = 2; break;
675 case 3:
676 trak->nchannels = 6; break;
677 default:
678 mp_msg(MSGT_DEMUX, MSGL_WARN,
679 "MOV: unable to determine audio channels, assuming 2 (got %d)\n",
680 char2short(trak->stdata,16));
681 trak->nchannels = 2;
682 }
683 sh->channels = trak->nchannels;
684
685 /*printf("MOV: timescale: %d samplerate: %d durmap: %d (%d) -> %d (%d)\n",
686 trak->timescale, char2short(trak->stdata,24), trak->durmap[0].dur,
687 trak->durmap[0].num, trak->timescale/trak->durmap[0].dur,
688 char2short(trak->stdata,24)/trak->durmap[0].dur);*/
689 sh->samplerate=char2short(trak->stdata,24);
690 if((sh->samplerate < 7000) && trak->durmap && trak->durmap[0].dur > 1) {
691 switch(char2short(trak->stdata,24)/trak->durmap[0].dur) {
692 // TODO: add more cases.
693 case 31:
694 sh->samplerate = 32000; break;
695 case 43:
696 sh->samplerate = 44100; break;
697 case 47:
698 sh->samplerate = 48000; break;
699 default:
700 mp_msg(MSGT_DEMUX, MSGL_WARN,
701 "MOV: unable to determine audio samplerate, "
702 "assuming 44.1kHz (got %d)\n",
703 char2short(trak->stdata,24)/trak->durmap[0].dur);
704 sh->samplerate = 44100;
705 }
706 }
707 }
708 mp_msg(MSGT_DEMUX, MSGL_V, "Audio bits: %d chans: %d rate: %d\n",
709 sh->samplesize*8,sh->channels,sh->samplerate);
710
711 if(trak->stdata_len >= 44 && trak->stdata[9]>=1){
712 mp_msg(MSGT_DEMUX,MSGL_V,"Audio header: samp/pack=%d bytes/pack=%d bytes/frame=%d bytes/samp=%d \n",
713 char2int(trak->stdata,28),
714 char2int(trak->stdata,32),
715 char2int(trak->stdata,36),
716 char2int(trak->stdata,40));
717 if(trak->stdata_len>=44+8){
718 int len=char2int(trak->stdata,44);
719 int fcc=char2int(trak->stdata,48);
720 // we have extra audio headers!!!
721 mp_msg(MSGT_DEMUX,MSGL_V,"Audio extra header: len=%d fcc=0x%X\n",len,fcc);
722 if((len >= 4) &&
723 (char2int(trak->stdata,52) >= 12) &&
724 (char2int(trak->stdata,52+4) == MOV_FOURCC('f','r','m','a'))) {
725 switch(char2int(trak->stdata,52+8)) {
726 case MOV_FOURCC('a','l','a','c'):
727 if (len >= 36 + char2int(trak->stdata,52)) {
728 sh->codecdata_len = char2int(trak->stdata,52+char2int(trak->stdata,52));
729 mp_msg(MSGT_DEMUX, MSGL_V, "MOV: Found alac atom (%d)!\n", sh->codecdata_len);
730 sh->codecdata = malloc(sh->codecdata_len);
731 memcpy(sh->codecdata, &trak->stdata[52+char2int(trak->stdata,52)], sh->codecdata_len);
732 }
733 break;
734 case MOV_FOURCC('i','n','2','4'):
735 case MOV_FOURCC('i','n','3','2'):
736 case MOV_FOURCC('f','l','3','2'):
737 case MOV_FOURCC('f','l','6','4'):
738 if ((len >= 22) &&
739 (char2int(trak->stdata,52+16)==MOV_FOURCC('e','n','d','a')) &&
740 (char2short(trak->stdata,52+20))) {
741 sh->format=char2int(trak->stdata,52+8);
742 mp_msg(MSGT_DEMUX, MSGL_V, "MOV: Found little endian PCM data, reversed fourcc:%04x\n", sh->format);
743 }
744 break;
745 default:
746 if (len > 8 && len + 44 <= trak->stdata_len) {
747 sh->codecdata_len = len-8;
748 sh->codecdata = malloc(sh->codecdata_len);
749 memcpy(sh->codecdata, trak->stdata+44+8, sh->codecdata_len);
750 }
751 }
752 } else {
753 if (len > 8 && len + 44 <= trak->stdata_len) {
754 sh->codecdata_len = len-8;
755 sh->codecdata = malloc(sh->codecdata_len);
756 memcpy(sh->codecdata, trak->stdata+44+8, sh->codecdata_len);
757 }
758 }
759 }
760 }
761
762 switch (version) {
763 case 0:
764 adjust = 0; break;
765 case 1:
766 adjust = 48; break;
767 case 2:
768 adjust = 68; break;
769 default:
770 mp_msg(MSGT_DEMUX, MSGL_WARN, "MOV: unknown sound atom version (%d); may not work!\n", version);
771 adjust = 68;
772 }
773 if (trak->stdata_len >= 36 + adjust) {
774 int atom_len = char2int(trak->stdata,28+adjust);
775 if (atom_len < 0 || atom_len > trak->stdata_len - 28 - adjust) atom_len = trak->stdata_len - 28 - adjust;
776 switch(char2int(trak->stdata,32+adjust)) { // atom type
777 case MOV_FOURCC('e','s','d','s'): {
778 mp_msg(MSGT_DEMUX, MSGL_V, "MOV: Found MPEG4 audio Elementary Stream Descriptor atom (%d)!\n", atom_len);
779 if(atom_len > 8) {
780 esds_t esds;
781 if(!mp4_parse_esds(&trak->stdata[36+adjust], atom_len-8, &esds)) {
782 /* 0xdd is a "user private" id, not an official allocated id (see http://www.mp4ra.org/object.html),
783 so perform some extra checks to be sure that this is really vorbis audio */
784 if(esds.objectTypeId==0xdd && esds.streamType==0x15 && sh->format==0x6134706D && esds.decoderConfigLen > 8)
785 {
786 //vorbis audio
787 unsigned char *buf[3];
788 unsigned short sizes[3];
789 int offset, len, k;
790 unsigned char *ptr = esds.decoderConfig;
791
792 if(ptr[0] != 0 || ptr[1] != 30) goto quit_vorbis_block; //wrong extradata layout
793
794 offset = len = 0;
795 for(k = 0; k < 3; k++)
796 {
797 sizes[k] = (ptr[offset]<<8) | ptr[offset+1];
798 len += sizes[k];
799 offset += 2;
800 if(offset + sizes[k] > esds.decoderConfigLen)
801 {
802 mp_msg(MSGT_DEMUX, MSGL_FATAL, "MOV: ERROR!, not enough vorbis extradata to read: offset = %d, k=%d, size=%d, len: %d\n", offset, k, sizes[k], esds.decoderConfigLen);
803 goto quit_vorbis_block;
804 }
805 buf[k] = malloc(sizes[k]);
806 if(!buf[k]) goto quit_vorbis_block;
807 memcpy(buf[k], &ptr[offset], sizes[k]);
808 offset += sizes[k];
809 }
810
811 sh->codecdata_len = len + len/255 + 64;
812 sh->codecdata = malloc(sh->codecdata_len);
813 ptr = sh->codecdata;
814
815 ptr[0] = 2;
816 offset = 1;
817 offset += store_ughvlc(&ptr[offset], sizes[0]);
818 offset += store_ughvlc(&ptr[offset], sizes[1]);
819 for(k = 0; k < 3; k++)
820 {
821 memcpy(&ptr[offset], buf[k], sizes[k]);
822 offset += sizes[k];
823 }
824
825 sh->codecdata_len = offset;
826 sh->codecdata = realloc(sh->codecdata, offset);
827 mp_msg(MSGT_DEMUX,MSGL_V, "demux_mov, vorbis extradata size: %d\n", offset);
828 is_vorbis = 1;
829 quit_vorbis_block:
830 sh->format = mmioFOURCC('v', 'r', 'b', 's');
831 }
832 sh->i_bps = esds.avgBitrate/8;
833
834 // printf("######## audio format = %d ########\n",esds.objectTypeId);
835 if(esds.objectTypeId==MP4OTI_MPEG1Audio || esds.objectTypeId==MP4OTI_MPEG2AudioPart3)
836 sh->format=0x55; // .mp3
837
838 if(esds.objectTypeId==MP4OTI_13kVoice) { // 13K Voice, defined by 3GPP2
839 sh->format=mmioFOURCC('Q', 'c', 'l', 'p');
840 trak->nchannels=sh->channels=1;
841 trak->samplebytes=sh->samplesize=1;
842 }
843
844 // dump away the codec specific configuration for the AAC decoder
845 if(esds.decoderConfigLen){
846 if( (esds.decoderConfig[0]>>3) == 29 )
847 sh->format = 0x1d61346d; // request multi-channel mp3 decoder
848 if(!is_vorbis)
849 {
850 sh->codecdata_len = esds.decoderConfigLen;
851 sh->codecdata = malloc(sh->codecdata_len);
852 memcpy(sh->codecdata, esds.decoderConfig, sh->codecdata_len);
853 }
854 }
855 }
856 mp4_free_esds(&esds); // freeup esds mem
857 #if 0
858 { FILE* f=fopen("esds.dat","wb");
859 fwrite(&trak->stdata[36],atom_len-8,1,f);
860 fclose(f); }
861 #endif
862 }
863 } break;
864 case MOV_FOURCC('a','l','a','c'): {
865 mp_msg(MSGT_DEMUX, MSGL_V, "MOV: Found alac atom (%d)!\n", atom_len);
866 if(atom_len > 8) {
867 // copy all the atom (not only payload) for lavc alac decoder
868 sh->codecdata_len = atom_len;
869 sh->codecdata = malloc(sh->codecdata_len);
870 memcpy(sh->codecdata, &trak->stdata[28], sh->codecdata_len);
871 }
872 } break;
873 case MOV_FOURCC('d','a','m','r'):
874 mp_msg(MSGT_DEMUX, MSGL_V, "MOV: Found AMR audio atom %c%c%c%c (%d)!\n", trak->stdata[32+adjust],trak->stdata[33+adjust],trak->stdata[34+adjust],trak->stdata[35+adjust], atom_len);
875 if (atom_len>14) {
876 mp_msg(MSGT_DEMUX, MSGL_V, "mov: vendor: %c%c%c%c Version: %d\n",trak->stdata[36+adjust],trak->stdata[37+adjust],trak->stdata[38+adjust], trak->stdata[39+adjust],trak->stdata[40+adjust]);
877 mp_msg(MSGT_DEMUX, MSGL_V, "MOV: Modes set: %02x%02x\n",trak->stdata[41+adjust],trak->stdata[42+adjust]);
878 mp_msg(MSGT_DEMUX, MSGL_V, "MOV: Mode change period: %d Frames per sample: %d\n",trak->stdata[43+adjust],trak->stdata[44+adjust]);
879 }
880 break;
881 default:
882 mp_msg(MSGT_DEMUX, MSGL_V, "MOV: Found unknown audio atom %c%c%c%c (%d)!\n",
883 trak->stdata[32+adjust],trak->stdata[33+adjust],trak->stdata[34+adjust],trak->stdata[35+adjust],
884 atom_len);
885 }
886 }
887 mp_msg(MSGT_DEMUX, MSGL_V, "Fourcc: %.4s\n",(char *)&trak->fourcc);
888 #if 0
889 { FILE* f=fopen("stdata.dat","wb");
890 fwrite(trak->stdata,trak->stdata_len,1,f);
891 fclose(f); }
892 { FILE* f=fopen("tkdata.dat","wb");
893 fwrite(trak->tkdata,trak->tkdata_len,1,f);
894 fclose(f); }
895 #endif
896 // Emulate WAVEFORMATEX struct:
897 sh->wf=malloc(sizeof(WAVEFORMATEX) + (is_vorbis ? sh->codecdata_len : 0));
898 memset(sh->wf,0,sizeof(WAVEFORMATEX));
899 sh->wf->nChannels=sh->channels;
900 sh->wf->wBitsPerSample=(trak->stdata[18]<<8)+trak->stdata[19];
901 // sh->wf->nSamplesPerSec=trak->timescale;
902 sh->wf->nSamplesPerSec=sh->samplerate;
903 if(trak->stdata_len >= 44 && trak->stdata[9]>=1 && char2int(trak->stdata,28)>0){
904 //Audio header: samp/pack=4096 bytes/pack=743 bytes/frame=1486 bytes/samp=2
905 sh->wf->nAvgBytesPerSec=(sh->wf->nChannels*sh->wf->nSamplesPerSec*
906 char2int(trak->stdata,32)+char2int(trak->stdata,28)/2)
907 /char2int(trak->stdata,28);
908 sh->wf->nBlockAlign=char2int(trak->stdata,36);
909 } else {
910 sh->wf->nAvgBytesPerSec=sh->wf->nChannels*sh->wf->wBitsPerSample*sh->wf->nSamplesPerSec/8;
911 // workaround for ms11 ima4
912 if (sh->format == 0x1100736d && trak->stdata_len >= 36)
913 sh->wf->nBlockAlign=char2int(trak->stdata,36);
914 }
915
916 if(is_vorbis && sh->codecdata_len)
917 {
918 memcpy(sh->wf+1, sh->codecdata, sh->codecdata_len);
919 sh->wf->cbSize = sh->codecdata_len;
920 }
921 // Selection:
922 // if(demuxer->audio->id==-1 || demuxer->audio->id==priv->track_db){
923 // // (auto)selected audio track:
924 // demuxer->audio->id=priv->track_db;
925 // demuxer->audio->sh=sh; sh->ds=demuxer->audio;
926 // }
927 return 1;
928 }
929
930 static int gen_sh_video(sh_video_t* sh, mov_track_t* trak, int timescale) {
931 int depth, i, entry;
932 int flag, start, count_flag, end, palette_count, gray;
933 int hdr_ptr = 76; // the byte just after depth
934 unsigned char *palette_map;
935
936 sh->format=trak->fourcc;
937
938 // crude video delay from editlist0 hack ::atm
939 if(trak->editlist_size>=1) {
940 if(trak->editlist[0].pos == -1) {
941 sh->stream_delay = (float)trak->editlist[0].dur/(float)timescale;
942 mp_msg(MSGT_DEMUX,MSGL_V,"MOV: Initial Video-Delay: %.3f sec\n", sh->stream_delay);
943 }
944 }
945
946
947 if (trak->stdata_len < 78) {
948 mp_msg(MSGT_DEMUXER, MSGL_WARN,
949 "MOV: Invalid (%d bytes instead of >= 78) video trak desc\n",
950 trak->stdata_len);
951 return 0;
952 }
953
954 depth = trak->stdata[75] | (trak->stdata[74] << 8);
955 if (trak->fourcc == mmioFOURCC('r', 'a', 'w', ' '))
956 sh->format = IMGFMT_RGB | depth;
957
958 // stdata[]:
959 // 8 short version
960 // 10 short revision
961 // 12 int vendor_id
962 // 16 int temporal_quality
963 // 20 int spatial_quality
964 // 24 short width
965 // 26 short height
966 // 28 int h_dpi
967 // 32 int v_dpi
968 // 36 int 0
969 // 40 short frames_per_sample
970 // 42 char[4] compressor_name
971 // 74 short depth
972 // 76 short color_table_id
973 // additional atoms may follow,
974 // eg esds atom from .MP4 files
975 // 78 int atom size
976 // 82 char[4] atom type
977 // 86 ... atom data
978
979 { ImageDescription* id=malloc(8+trak->stdata_len); // safe
980 trak->desc=id;
981 id->idSize=8+trak->stdata_len;
982 // id->cType=bswap_32(trak->fourcc);
983 id->cType=le2me_32(trak->fourcc);
984 id->version=char2short(trak->stdata,8);
985 id->revisionLevel=char2short(trak->stdata,10);
986 id->vendor=char2int(trak->stdata,12);
987 id->temporalQuality=char2int(trak->stdata,16);
988 id->spatialQuality=char2int(trak->stdata,20);
989 id->width=char2short(trak->stdata,24);
990 id->height=char2short(trak->stdata,26);
991 id->hRes=char2int(trak->stdata,28);
992 id->vRes=char2int(trak->stdata,32);
993 id->dataSize=char2int(trak->stdata,36);
994 id->frameCount=char2short(trak->stdata,40);
995 memcpy(&id->name,trak->stdata+42,32);
996 id->depth=char2short(trak->stdata,74);
997 id->clutID=char2short(trak->stdata,76);
998 if(trak->stdata_len>78) memcpy(((char*)&id->clutID)+2,trak->stdata+78,trak->stdata_len-78);
999 sh->ImageDesc=id;
1000 #if 0
1001 { FILE *f=fopen("ImageDescription","wb");
1002 fwrite(id,id->idSize,1,f);
1003 fclose(f);
1004 }
1005 #endif
1006 }
1007
1008 if(trak->stdata_len >= 86) { // extra atoms found
1009 int pos=78;
1010 int atom_len;
1011 while(pos+8<=trak->stdata_len &&
1012 (pos+(atom_len=char2int(trak->stdata,pos)))<=trak->stdata_len){
1013 switch(char2int(trak->stdata,pos+4)) { // switch atom type
1014 case MOV_FOURCC('g','a','m','a'):
1015 // intfp with gamma value at which movie was captured
1016 // can be used to gamma correct movie display
1017 mp_msg(MSGT_DEMUX, MSGL_V, "MOV: Found unsupported Gamma-Correction movie atom (%d)!\n",
1018 atom_len);
1019 break;
1020 case MOV_FOURCC('f','i','e','l'):
1021 // 2 char-values (8bit int) that specify field handling
1022 // see the Apple's QuickTime Fileformat PDF for more info
1023 mp_msg(MSGT_DEMUX, MSGL_V, "MOV: Found unsupported Field-Handling movie atom (%d)!\n",
1024 atom_len);
1025 break;
1026 case MOV_FOURCC('m','j','q','t'):
1027 // Motion-JPEG default quantization table
1028 mp_msg(MSGT_DEMUX, MSGL_V, "MOV: Found unsupported MJPEG-Quantization movie atom (%d)!\n",
1029 atom_len);
1030 break;
1031 case MOV_FOURCC('m','j','h','t'):
1032 // Motion-JPEG default huffman table
1033 mp_msg(MSGT_DEMUX, MSGL_V, "MOV: Found unsupported MJPEG-Huffman movie atom (%d)!\n",
1034 atom_len);
1035 break;
1036 case MOV_FOURCC('e','s','d','s'):
1037 // MPEG4 Elementary Stream Descriptor header
1038 mp_msg(MSGT_DEMUX, MSGL_V, "MOV: Found MPEG4 movie Elementary Stream Descriptor atom (%d)!\n", atom_len);
1039 // add code here to save esds header of length atom_len-8
1040 // beginning at stdata[86] to some variable to pass it
1041 // on to the decoder ::atmos
1042 if(atom_len > 8) {
1043 esds_t esds;
1044 if(!mp4_parse_esds(trak->stdata+pos+8, atom_len-8, &esds)) {
1045
1046 if(esds.objectTypeId==MP4OTI_MPEG2VisualSimple || esds.objectTypeId==MP4OTI_MPEG2VisualMain ||
1047 esds.objectTypeId==MP4OTI_MPEG2VisualSNR || esds.objectTypeId==MP4OTI_MPEG2VisualSpatial ||
1048 esds.objectTypeId==MP4OTI_MPEG2VisualHigh || esds.objectTypeId==MP4OTI_MPEG2Visual422)
1049 sh->format=mmioFOURCC('m', 'p', 'g', '2');
1050 else if(esds.objectTypeId==MP4OTI_MPEG1Visual)
1051 sh->format=mmioFOURCC('m', 'p', 'g', '1');
1052
1053 // dump away the codec specific configuration for the AAC decoder
1054 trak->stream_header_len = esds.decoderConfigLen;
1055 trak->stream_header = malloc(trak->stream_header_len);
1056 memcpy(trak->stream_header, esds.decoderConfig, trak->stream_header_len);
1057 }
1058 mp4_free_esds(&esds); // freeup esds mem
1059 }
1060 break;
1061 case MOV_FOURCC('a','v','c','C'):
1062 // AVC decoder configuration record
1063 mp_msg(MSGT_DEMUX, MSGL_V, "MOV: AVC decoder configuration record atom (%d)!\n", atom_len);
1064 if(atom_len > 8) {
1065 int i, poffs, cnt;
1066 // Parse some parts of avcC, just for fun :)
1067 // real parsing is done by avc1 decoder
1068 mp_msg(MSGT_DEMUX, MSGL_V, "MOV: avcC version: %d\n", *(trak->stdata+pos+8));
1069 if (*(trak->stdata+pos+8) != 1)
1070 mp_msg(MSGT_DEMUX, MSGL_ERR, "MOV: unknown avcC version (%d). Expexct problems.\n", *(trak->stdata+pos+9));
1071 mp_msg(MSGT_DEMUX, MSGL_V, "MOV: avcC profile: %d\n", *(trak->stdata+pos+9));
1072 mp_msg(MSGT_DEMUX, MSGL_V, "MOV: avcC profile compatibility: %d\n", *(trak->stdata+pos+10));
1073 mp_msg(MSGT_DEMUX, MSGL_V, "MOV: avcC level: %d\n", *(trak->stdata+pos+11));
1074 mp_msg(MSGT_DEMUX, MSGL_V, "MOV: avcC nal length size: %d\n", ((*(trak->stdata+pos+12))&0x03)+1);
1075 mp_msg(MSGT_DEMUX, MSGL_V, "MOV: avcC number of sequence param sets: %d\n", cnt = (*(trak->stdata+pos+13) & 0x1f));
1076 poffs = pos + 14;
1077 for (i = 0; i < cnt; i++) {
1078 mp_msg(MSGT_DEMUX, MSGL_V, "MOV: avcC sps %d have length %d\n", i, AV_RB16(trak->stdata+poffs));
1079 poffs += AV_RB16(trak->stdata+poffs) + 2;
1080 }
1081 mp_msg(MSGT_DEMUX, MSGL_V, "MOV: avcC number of picture param sets: %d\n", *(trak->stdata+poffs));
1082 poffs++;
1083 for (i = 0; i < cnt; i++) {
1084 mp_msg(MSGT_DEMUX, MSGL_V, "MOV: avcC pps %d have length %d\n", i, AV_RB16(trak->stdata+poffs));
1085 poffs += AV_RB16(trak->stdata+poffs) + 2;
1086 }
1087 // Copy avcC for the AVC decoder
1088 // This data will be put in extradata below, where BITMAPINFOHEADER is created
1089 trak->stream_header_len = atom_len-8;
1090 trak->stream_header = malloc(trak->stream_header_len);
1091 memcpy(trak->stream_header, trak->stdata+pos+8, trak->stream_header_len);
1092 }
1093 break;
1094 case MOV_FOURCC('d','2','6','3'):
1095 mp_msg(MSGT_DEMUX, MSGL_V, "MOV: Found H.263 decoder atom %c%c%c%c (%d)!\n", trak->stdata[pos+4],trak->stdata[pos+5],trak->stdata[pos+6],trak->stdata[pos+7],atom_len);
1096 if (atom_len>10)
1097 mp_msg(MSGT_DEMUX, MSGL_V, "MOV: Vendor: %c%c%c%c H.263 level: %d H.263 profile: %d \n", trak->stdata[pos+8],trak->stdata[pos+9],trak->stdata[pos+10],trak->stdata[pos+11],trak->stdata[pos+12],trak->stdata[pos+13]);
1098 break;
1099 case 0:
1100 break;
1101 default:
1102 mp_msg(MSGT_DEMUX, MSGL_V, "MOV: Found unknown movie atom %c%c%c%c (%d)!\n",
1103 trak->stdata[pos+4],trak->stdata[pos+5],trak->stdata[pos+6],trak->stdata[pos+7],
1104 atom_len);
1105 }
1106 if(atom_len<8) break;
1107 pos+=atom_len;
1108 // printf("pos=%d max=%d\n",pos,trak->stdata_len);
1109 }
1110 }
1111 sh->fps=trak->timescale/
1112 ((trak->durmap_size>=1)?(float)trak->durmap[0].dur:1);
1113 sh->frametime=1.0f/sh->fps;
1114
1115 sh->disp_w=trak->stdata[25]|(trak->stdata[24]<<8);
1116 sh->disp_h=trak->stdata[27]|(trak->stdata[26]<<8);
1117 if(trak->tkdata_len>81) {
1118 // if image size is zero, fallback to display size
1119 if(!sh->disp_w && !sh->disp_h) {
1120 sh->disp_w=trak->tkdata[77]|(trak->tkdata[76]<<8);
1121 sh->disp_h=trak->tkdata[81]|(trak->tkdata[80]<<8);
1122 } else if(sh->disp_w!=(trak->tkdata[77]|(trak->tkdata[76]<<8))){
1123 // codec and display width differ... use display one for aspect
1124 sh->aspect=trak->tkdata[77]|(trak->tkdata[76]<<8);
1125 sh->aspect/=trak->tkdata[81]|(trak->tkdata[80]<<8);
1126 }
1127 }
1128
1129 if(depth>32+8) mp_msg(MSGT_DEMUX, MSGL_INFO,"*** depth = 0x%X\n",depth);
1130
1131 // palettized?
1132 gray = 0;
1133 if (depth > 32) { depth&=31; gray = 1; } // depth > 32 means grayscale
1134 if ((depth == 2) || (depth == 4) || (depth == 8))
1135 palette_count = (1 << depth);
1136 else
1137 palette_count = 0;
1138
1139 // emulate BITMAPINFOHEADER:
1140 if (palette_count)
1141 {
1142 sh->bih=malloc(sizeof(BITMAPINFOHEADER) + palette_count * 4);
1143 memset(sh->bih,0,sizeof(BITMAPINFOHEADER) + palette_count * 4);
1144 sh->bih->biSize=40 + palette_count * 4;
1145 // fetch the relevant fields
1146 flag = AV_RB16(&trak->stdata[hdr_ptr]);
1147 hdr_ptr += 2;
1148 start = AV_RB32(&trak->stdata[hdr_ptr]);
1149 hdr_ptr += 4;
1150 count_flag = AV_RB16(&trak->stdata[hdr_ptr]);
1151 hdr_ptr += 2;
1152 end = AV_RB16(&trak->stdata[hdr_ptr]);
1153 hdr_ptr += 2;
1154 palette_map = (unsigned char *)sh->bih + 40;
1155 mp_msg(MSGT_DEMUX, MSGL_V, "Allocated %d entries for palette\n",
1156 palette_count);
1157 mp_msg(MSGT_DEMUX, MSGL_DBG2, "QT palette: start: %x, end: %x, count flag: %d, flags: %x\n",
1158 start, end, count_flag, flag);
1159
1160 /* XXX: problems with sample (statunit6.mov) with flag&0x4 set! - alex*/
1161
1162 // load default palette
1163 if (flag & 0x08)
1164 {
1165 if (gray)
1166 {
1167 mp_msg(MSGT_DEMUX, MSGL_V, "Using default QT grayscale palette\n");
1168 if (palette_count == 16)
1169 memcpy(palette_map, qt_default_grayscale_palette_16, 16 * 4);
1170 else if (palette_count == 256) {
1171 memcpy(palette_map, qt_default_grayscale_palette_256, 256 * 4);
1172 if (trak->fourcc == mmioFOURCC('c','v','i','d')) {
1173 int i;
1174 // Hack for grayscale CVID, negative palette
1175 // If you have samples where this is not required contact me (rxt)
1176 mp_msg(MSGT_DEMUX, MSGL_V, "MOV: greyscale cvid with default palette,"
1177 " enabling negative palette hack.\n");
1178 for (i = 0; i < 256 * 4; i++)
1179 palette_map[i] = palette_map[i] ^ 0xff;
1180 }
1181 }
1182 }
1183 else
1184 {
1185 mp_msg(MSGT_DEMUX, MSGL_V, "Using default QT colour palette\n");
1186 if (palette_count == 4)
1187 memcpy(palette_map, qt_default_palette_4, 4 * 4);
1188 else if (palette_count == 16)
1189 memcpy(palette_map, qt_default_palette_16, 16 * 4);
1190 else if (palette_count == 256)
1191 memcpy(palette_map, qt_default_palette_256, 256 * 4);
1192 }
1193 }
1194 // load palette from file
1195 else
1196 {
1197 mp_msg(MSGT_DEMUX, MSGL_V, "Loading palette from file\n");
1198 for (i = start; i <= end; i++)
1199 {
1200 entry = AV_RB16(&trak->stdata[hdr_ptr]);
1201 hdr_ptr += 2;
1202 // apparently, if count_flag is set, entry is same as i
1203 if (count_flag & 0x8000)
1204 entry = i;
1205 // only care about top 8 bits of 16-bit R, G, or B value
1206 if (entry <= palette_count && entry >= 0)
1207 {
1208 palette_map[entry * 4 + 2] = trak->stdata[hdr_ptr + 0];
1209 palette_map[entry * 4 + 1] = trak->stdata[hdr_ptr + 2];
1210 palette_map[entry * 4 + 0] = trak->stdata[hdr_ptr + 4];
1211 mp_dbg(MSGT_DEMUX, MSGL_DBG2, "QT palette: added entry: %d of %d (colors: R:%x G:%x B:%x)\n",
1212 entry, palette_count,
1213 palette_map[entry * 4 + 2],
1214 palette_map[entry * 4 + 1],
1215 palette_map[entry * 4 + 0]);
1216 }
1217 else
1218 mp_msg(MSGT_DEMUX, MSGL_V, "QT palette: skipped entry (out of count): %d of %d\n",
1219 entry, palette_count);
1220 hdr_ptr += 6;
1221 }
1222 }
1223 }
1224 else
1225 {
1226 if (trak->fourcc == mmioFOURCC('a','v','c','1')) {
1227 if (trak->stream_header_len > 0xffffffff - sizeof(BITMAPINFOHEADER)) {
1228 mp_msg(MSGT_DEMUXER, MSGL_ERR, "Invalid extradata size %d, skipping\n",trak->stream_header_len);
1229 trak->stream_header_len = 0;
1230 }
1231 sh->bih=malloc(sizeof(BITMAPINFOHEADER) + trak->stream_header_len);
1232 memset(sh->bih,0,sizeof(BITMAPINFOHEADER) + trak->stream_header_len);
1233 sh->bih->biSize=40 + trak->stream_header_len;
1234 memcpy(((unsigned char *)sh->bih)+40, trak->stream_header, trak->stream_header_len);
1235 free (trak->stream_header);
1236 trak->stream_header_len = 0;
1237 trak->stream_header = NULL;
1238 } else {
1239 sh->bih=malloc(sizeof(BITMAPINFOHEADER));
1240 memset(sh->bih,0,sizeof(BITMAPINFOHEADER));
1241 sh->bih->biSize=40;
1242 }
1243 }
1244 sh->bih->biWidth=sh->disp_w;
1245 sh->bih->biHeight=sh->disp_h;
1246 sh->bih->biPlanes=0;
1247 sh->bih->biBitCount=depth;
1248 sh->bih->biCompression=trak->fourcc;
1249 sh->bih->biSizeImage=sh->bih->biWidth*sh->bih->biHeight;
1250
1251 mp_msg(MSGT_DEMUX, MSGL_V, "Image size: %d x %d (%d bpp)\n",sh->disp_w,sh->disp_h,sh->bih->biBitCount);
1252 if(trak->tkdata_len>81)
1253 mp_msg(MSGT_DEMUX, MSGL_V, "Display size: %d x %d\n",
1254 trak->tkdata[77]|(trak->tkdata[76]<<8),
1255 trak->tkdata[81]|(trak->tkdata[80]<<8));
1256 mp_msg(MSGT_DEMUX, MSGL_V, "Fourcc: %.4s Codec: '%.*s'\n",(char *)&trak->fourcc,trak->stdata[42]&31,trak->stdata+43);
1257
1258 // if(demuxer->video->id==-1 || demuxer->video->id==priv->track_db){
1259 // // (auto)selected video track:
1260 // demuxer->video->id=priv->track_db;
1261 // demuxer->video->sh=sh; sh->ds=demuxer->video;
1262 // }
1263 return 1;
1264 }
1265
1266 static void lschunks(demuxer_t* demuxer,int level,off_t endpos,mov_track_t* trak){
1267 mov_priv_t* priv=demuxer->priv;
1268 // printf("lschunks (level=%d,endpos=%x)\n", level, endpos);
1269 while(1){
1270 off_t pos;
1271 off_t len;
1272 unsigned int id;
1273 //
1274 pos=stream_tell(demuxer->stream);
1275 // printf("stream_tell==%d\n",pos);
1276 if(pos>=endpos) return; // END
1277 len=stream_read_dword(demuxer->stream);
1278 // printf("len==%d\n",len);
1279 if(len<8) return; // error
1280 len-=8;
1281 id=stream_read_dword(demuxer->stream);
1282 //
1283 mp_msg(MSGT_DEMUX,MSGL_DBG2,"lschunks %.4s %d\n",(char *)&id,(int)len);
1284 //
1285 if(trak){
1286 if (lschunks_intrak(demuxer, level, id, pos, len, trak) < 0)
1287 return;
1288 } else { /* not in track */
1289 switch(id) {
1290 case MOV_FOURCC('m','v','h','d'): {
1291 int version = stream_read_char(demuxer->stream);
1292 stream_skip(demuxer->stream, (version == 1) ? 19 : 11);
1293 priv->timescale=stream_read_dword(demuxer->stream);
1294 if (version == 1)
1295 priv->duration=stream_read_qword(demuxer->stream);
1296 else
1297 priv->duration=stream_read_dword(demuxer->stream);
1298 mp_msg(MSGT_DEMUX, MSGL_V,"MOV: %*sMovie header (%d bytes): tscale=%d dur=%d\n",level,"",(int)len,
1299 (int)priv->timescale,(int)priv->duration);
1300 break;
1301 }
1302 case MOV_FOURCC('t','r','a','k'): {
1303 // if(trak) printf("MOV: Warning! trak in trak?\n");
1304 if(priv->track_db>=MOV_MAX_TRACKS){
1305 mp_msg(MSGT_DEMUX,MSGL_WARN,MSGTR_MOVtooManyTrk);
1306 return;
1307 }
1308 if(!priv->track_db) mp_msg(MSGT_DEMUX, MSGL_V, "--------------\n");
1309 trak=malloc(sizeof(mov_track_t));
1310 memset(trak,0,sizeof(mov_track_t));
1311 mp_msg(MSGT_DEMUX,MSGL_V,"MOV: Track #%d:\n",priv->track_db);
1312 trak->id=priv->track_db;
1313 priv->tracks[priv->track_db]=trak;
1314 lschunks(demuxer,level+1,pos+len,trak);
1315 mov_build_index(trak,priv->timescale);
1316 switch(trak->type){
1317 case MOV_TRAK_AUDIO: {
1318 sh_audio_t* sh=new_sh_audio(demuxer,priv->track_db);
1319 mp_msg(MSGT_DEMUX, MSGL_INFO, MSGTR_AudioID, "mov", priv->track_db);
1320 gen_sh_audio(sh, trak, priv->timescale);
1321 break;
1322 }
1323 case MOV_TRAK_VIDEO: {
1324 sh_video_t* sh=new_sh_video(demuxer,priv->track_db);
1325 mp_msg(MSGT_DEMUX, MSGL_INFO, MSGTR_VideoID, "mov", priv->track_db);
1326 gen_sh_video(sh, trak, priv->timescale);
1327 break;
1328 }
1329 case MOV_TRAK_GENERIC:
1330 if (trak->fourcc == mmioFOURCC('m','p','4','s') ||
1331 trak->fourcc == mmioFOURCC('t','x','3','g') ||
1332 trak->fourcc == mmioFOURCC('t','e','x','t')) {
1333 sh_sub_t *sh = new_sh_sub(demuxer, priv->track_db);
1334 mp_msg(MSGT_DEMUX, MSGL_INFO, MSGTR_SubtitleID, "mov", priv->track_db);
1335 if (trak->fourcc == mmioFOURCC('m','p','4','s'))
1336 init_vobsub(sh, trak);
1337 else {
1338 sh->type = 'm';
1339 sub_utf8 = 1;
1340 }
1341 } else
1342 mp_msg(MSGT_DEMUX, MSGL_V, "Generic track - not completely understood! (id: %d)\n",
1343 trak->id);
1344 /* XXX: Also this contains the FLASH data */
1345
1346 #if 0
1347 {
1348 int pos = stream_tell(demuxer->stream);
1349 int i;
1350 int fd;
1351 char name[20];
1352
1353 for (i=0; i<trak->samples_size; i++)
1354 {
1355 char buf[trak->samples[i].size];
1356 stream_seek(demuxer->stream, trak->samples[i].pos);
1357 snprintf((char *)&name[0], 20, "samp%d", i);
1358 fd = open((char *)&name[0], O_CREAT|O_WRONLY);
1359 stream_read(demuxer->stream, &buf[0], trak->samples[i].size);
1360 write(fd, &buf[0], trak->samples[i].size);
1361 close(fd);
1362 }
1363 for (i=0; i<trak->chunks_size; i++)
1364 {
1365 char buf[trak->length];
1366 stream_seek(demuxer->stream, trak->chunks[i].pos);
1367 snprintf((char *)&name[0], 20, "chunk%d", i);
1368 fd = open((char *)&name[0], O_CREAT|O_WRONLY);
1369 stream_read(demuxer->stream, &buf[0], trak->length);
1370 write(fd, &buf[0], trak->length);
1371 close(fd);
1372 }
1373 if (trak->samplesize > 0)
1374 {
1375 char *buf;
1376
1377 buf = malloc(trak->samplesize);
1378 stream_seek(demuxer->stream, trak->chunks[0].pos);
1379 snprintf((char *)&name[0], 20, "trak%d", trak->id);
1380 fd = open((char *)&name[0], O_CREAT|O_WRONLY);
1381 stream_read(demuxer->stream, buf, trak->samplesize);
1382 write(fd, buf, trak->samplesize);
1383 close(fd);
1384 }
1385 stream_seek(demuxer->stream, pos);
1386 }
1387 #endif
1388 break;
1389 default:
1390 mp_msg(MSGT_DEMUX, MSGL_V, "Unknown track type found (type: %d)\n", trak->type);
1391 break;
1392 }
1393 mp_msg(MSGT_DEMUX, MSGL_V, "--------------\n");
1394 priv->track_db++;
1395 trak=NULL;
1396 break;
1397 }
1398 #ifndef CONFIG_ZLIB
1399 case MOV_FOURCC('c','m','o','v'): {
1400 mp_msg(MSGT_DEMUX,MSGL_ERR,MSGTR_MOVcomprhdr);
1401 return;
1402 }
1403 #else
1404 case MOV_FOURCC('m','o','o','v'):
1405 case MOV_FOURCC('c','m','o','v'): {
1406 // mp_msg(MSGT_DEMUX,MSGL_ERR,MSGTR_MOVcomprhdr);
1407 lschunks(demuxer,level+1,pos+len,NULL);
1408 break;
1409 }
1410 case MOV_FOURCC('d','c','o','m'): {
1411 // int temp=stream_read_dword(demuxer->stream);
1412 unsigned int algo=be2me_32(stream_read_dword(demuxer->stream));
1413 mp_msg(MSGT_DEMUX, MSGL_V, "Compressed header uses %.4s algo!\n",(char *)&algo);
1414 break;
1415 }
1416 case MOV_FOURCC('c','m','v','d'): {
1417 // int temp=stream_read_dword(demuxer->stream);
1418 unsigned int moov_sz=stream_read_dword(demuxer->stream);
1419 unsigned int cmov_sz=len-4;
1420 unsigned char* cmov_buf;
1421 unsigned char* moov_buf;
1422 int zret;
1423 z_stream zstrm;
1424 stream_t* backup;
1425
1426 if (moov_sz > SIZE_MAX - 16) {
1427 mp_msg(MSGT_DEMUX, MSGL_ERR, "Invalid cmvd atom size %d\n", moov_sz);
1428 break;
1429 }
1430 cmov_buf=malloc(cmov_sz);
1431 moov_buf=malloc(moov_sz+16);
1432 mp_msg(MSGT_DEMUX, MSGL_V, "Compressed header size: %d / %d\n",cmov_sz,moov_sz);
1433
1434 stream_read(demuxer->stream,cmov_buf,cmov_sz);
1435
1436 zstrm.zalloc = (alloc_func)0;
1437 zstrm.zfree = (free_func)0;
1438 zstrm.opaque = (voidpf)0;
1439 zstrm.next_in = cmov_buf;
1440 zstrm.avail_in = cmov_sz;
1441 zstrm.next_out = moov_buf;
1442 zstrm.avail_out = moov_sz;
1443
1444 zret = inflateInit(&zstrm);
1445 if (zret != Z_OK)
1446 { mp_msg(MSGT_DEMUX, MSGL_ERR, "QT cmov: inflateInit err %d\n",zret);
1447 return;
1448 }
1449 zret = inflate(&zstrm, Z_NO_FLUSH);
1450 if ((zret != Z_OK) && (zret != Z_STREAM_END))
1451 { mp_msg(MSGT_DEMUX, MSGL_ERR, "QT cmov inflate: ERR %d\n",zret);
1452 return;
1453 }
1454 #if 0
1455 else {
1456 FILE *DecOut;
1457 DecOut = fopen("Out.bin", "w");
1458 fwrite(moov_buf, 1, moov_sz, DecOut);
1459 fclose(DecOut);
1460 }
1461 #endif
1462 if(moov_sz != zstrm.total_out)
1463 mp_msg(MSGT_DEMUX, MSGL_WARN, "Warning! moov size differs cmov: %d zlib: %ld\n",moov_sz,zstrm.total_out);
1464 zret = inflateEnd(&zstrm);
1465
1466 backup=demuxer->stream;
1467 demuxer->stream=new_memory_stream(moov_buf,moov_sz);
1468 stream_skip(demuxer->stream,8);
1469 lschunks(demuxer,level+1,moov_sz,NULL); // parse uncompr. 'moov'
1470 //free_stream(demuxer->stream);
1471 demuxer->stream=backup;
1472 free(cmov_buf);
1473 free(moov_buf);
1474 break;
1475 }
1476 #endif
1477 case MOV_FOURCC('u','d','t','a'):
1478 {
1479 unsigned int udta_id;
1480 off_t udta_len;
1481 off_t udta_size = len;
1482
1483 mp_msg(MSGT_DEMUX, MSGL_DBG2, "mov: user data record found\n");
1484 mp_msg(MSGT_DEMUX, MSGL_V, "Quicktime Clip Info:\n");
1485
1486 while((len > 8) && (udta_size > 8))
1487 {
1488 udta_len = stream_read_dword(demuxer->stream);
1489 udta_id = stream_read_dword(demuxer->stream);
1490 udta_size -= 8;
1491 mp_msg(MSGT_DEMUX, MSGL_DBG2, "udta_id: %.4s (len: %"PRId64")\n", (char *)&udta_id, (int64_t)udta_len);
1492 switch (udta_id)
1493 {
1494 case MOV_FOURCC(0xa9,'c','p','y'):
1495 case MOV_FOURCC(0xa9,'d','a','y'):
1496 case MOV_FOURCC(0xa9,'d','i','r'):
1497 /* 0xa9,'e','d','1' - '9' : edit timestamps */
1498 case MOV_FOURCC(0xa9,'f','m','t'):
1499 case MOV_FOURCC(0xa9,'i','n','f'):
1500 case MOV_FOURCC(0xa9,'p','r','d'):
1501 case MOV_FOURCC(0xa9,'p','r','f'):
1502 case MOV_FOURCC(0xa9,'r','e','q'):
1503 case MOV_FOURCC(0xa9,'s','r','c'):
1504 case MOV_FOURCC('n','a','m','e'):
1505 case MOV_FOURCC(0xa9,'n','a','m'):
1506 case MOV_FOURCC(0xa9,'A','R','T'):
1507 case MOV_FOURCC(0xa9,'c','m','t'):
1508 case MOV_FOURCC(0xa9,'a','u','t'):
1509 case MOV_FOURCC(0xa9,'s','w','r'):
1510 {
1511 off_t text_len = stream_read_word(demuxer->stream);
1512 char text[text_len+2+1];
1513 stream_read(demuxer->stream, (char *)&text, text_len+2);
1514 text[text_len+2] = 0x0;
1515 switch(udta_id)
1516 {
1517 case MOV_FOURCC(0xa9,'a','u','t'):
1518 demux_info_add(demuxer, "author", &text[2]);
1519 mp_msg(MSGT_DEMUX, MSGL_V, " Author: %s\n", &text[2]);
1520 break;
1521 case MOV_FOURCC(0xa9,'c','p','y'):
1522 demux_info_add(demuxer, "copyright", &text[2]);
1523 mp_msg(MSGT_DEMUX, MSGL_V, " Copyright: %s\n", &text[2]);
1524 break;
1525 case MOV_FOURCC(0xa9,'i','n','f'):
1526 mp_msg(MSGT_DEMUX, MSGL_V, " Info: %s\n", &text[2]);
1527 break;
1528 case MOV_FOURCC('n','a','m','e'):
1529 case MOV_FOURCC(0xa9,'n','a','m'):
1530 demux_info_add(demuxer, "name", &text[2]);
1531 mp_msg(MSGT_DEMUX, MSGL_V, " Name: %s\n", &text[2]);
1532 break;
1533 case MOV_FOURCC(0xa9,'A','R','T'):
1534 mp_msg(MSGT_DEMUX, MSGL_V, " Artist: %s\n", &text[2]);
1535 break;
1536 case MOV_FOURCC(0xa9,'d','i','r'):
1537 mp_msg(MSGT_DEMUX, MSGL_V, " Director: %s\n", &text[2]);
1538 break;
1539 case MOV_FOURCC(0xa9,'c','m','t'):
1540 demux_info_add(demuxer, "comments", &text[2]);
1541 mp_msg(MSGT_DEMUX, MSGL_V, " Comment: %s\n", &text[2]);
1542 break;
1543 case MOV_FOURCC(0xa9,'r','e','q'):
1544 mp_msg(MSGT_DEMUX, MSGL_V, " Requirements: %s\n", &text[2]);
1545 break;
1546 case MOV_FOURCC(0xa9,'s','w','r'):
1547 demux_info_add(demuxer, "encoder", &text[2]);
1548 mp_msg(MSGT_DEMUX, MSGL_V, " Software: %s\n", &text[2]);
1549 break;
1550 case MOV_FOURCC(0xa9,'d','a','y'):
1551 mp_msg(MSGT_DEMUX, MSGL_V, " Creation timestamp: %s\n", &text[2]);
1552 break;
1553 case MOV_FOURCC(0xa9,'f','m','t'):
1554 mp_msg(MSGT_DEMUX, MSGL_V, " Format: %s\n", &text[2]);
1555 break;
1556 case MOV_FOURCC(0xa9,'p','r','d'):
1557 mp_msg(MSGT_DEMUX, MSGL_V, " Producer: %s\n", &text[2]);
1558 break;
1559 case MOV_FOURCC(0xa9,'p','r','f'):
1560 mp_msg(MSGT_DEMUX, MSGL_V, " Performer(s): %s\n", &text[2]);
1561 break;
1562 case MOV_FOURCC(0xa9,'s','r','c'):
1563 mp_msg(MSGT_DEMUX, MSGL_V, " Source providers: %s\n", &text[2]);
1564 break;
1565 }
1566 udta_size -= 4+text_len;
1567 break;
1568 }
1569 /* some other shits: WLOC - window location,
1570 LOOP - looping style,
1571 SelO - play only selected frames
1572 AllF - play all frames
1573 */
1574 case MOV_FOURCC('W','L','O','C'):
1575 case MOV_FOURCC('L','O','O','P'):
1576 case MOV_FOURCC('S','e','l','O'):
1577 case MOV_FOURCC('A','l','l','F'):
1578 default:
1579 {
1580 if( udta_len>udta_size)
1581 udta_len=udta_size;
1582 {
1583 stream_skip(demuxer->stream, udta_len-4-4);
1584 udta_size -= udta_len;
1585 }
1586 }
1587 }
1588 }
1589 break;
1590 } /* eof udta */
1591 default:
1592 id = be2me_32(id);
1593 mp_msg(MSGT_DEMUX,MSGL_V,"MOV: unknown chunk: %.4s %d\n",(char *)&id,(int)len);
1594 } /* endof switch */
1595 } /* endof else */
1596
1597 pos+=len+8;
1598 if(pos>=endpos) break;
1599 if(!stream_seek(demuxer->stream,pos)) break;
1600 }
1601 }
1602
1603 static int lschunks_intrak(demuxer_t* demuxer, int level, unsigned int id,
1604 off_t pos, off_t len, mov_track_t* trak)
1605 {
1606 switch(id) {
1607 case MOV_FOURCC('m','d','a','t'): {
1608 mp_msg(MSGT_DEMUX,MSGL_WARN,"Hmm, strange MOV, parsing mdat in lschunks?\n");
1609 return -1;
1610 }
1611 case MOV_FOURCC('f','r','e','e'):
1612 case MOV_FOURCC('u','d','t','a'):
1613 /* here not supported :p */
1614 break;
1615 case MOV_FOURCC('t','k','h','d'): {
1616 mp_msg(MSGT_DEMUX,MSGL_V,"MOV: %*sTrack header!\n", level, "");
1617 // read codec data
1618 trak->tkdata_len = len;
1619 trak->tkdata = malloc(trak->tkdata_len);
1620 stream_read(demuxer->stream, trak->tkdata, trak->tkdata_len);
1621 /*
1622 0 1 Version
1623 1 3 Flags
1624 4 4 Creation time
1625 8 4 Modification time
1626 12 4 Track ID
1627 16 4 Reserved
1628 20 4 Duration
1629 24 8 Reserved
1630 32 2 Layer
1631 34 2 Alternate group
1632 36 2 Volume
1633 38 2 Reserved
1634 40 36 Matrix structure
1635 76 4 Track width
1636 80 4 Track height
1637 */
1638 mp_msg(MSGT_DEMUX, MSGL_V,
1639 "tkhd len=%d ver=%d flags=0x%X id=%d dur=%d lay=%d vol=%d\n",
1640 trak->tkdata_len, trak->tkdata[0], trak->tkdata[1],
1641 char2int(trak->tkdata, 12), // id
1642 char2int(trak->tkdata, 20), // duration
1643 char2short(trak->tkdata, 32), // layer
1644 char2short(trak->tkdata, 36)); // volume
1645 break;
1646 }
1647 case MOV_FOURCC('m','d','h','d'): {
1648 int version = stream_read_char(demuxer->stream);
1649 mp_msg(MSGT_DEMUX, MSGL_V, "MOV: %*sMedia header!\n", level, "");
1650 stream_skip(demuxer->stream, (version == 1) ? 19 : 11);
1651 // read timescale
1652 trak->timescale = stream_read_dword(demuxer->stream);
1653 // read length
1654 if (version == 1)
1655 trak->length = stream_read_qword(demuxer->stream);
1656 else
1657 trak->length = stream_read_dword(demuxer->stream);
1658 break;
1659 }
1660 case MOV_FOURCC('h','d','l','r'): {
1661 unsigned int tmp = stream_read_dword(demuxer->stream);
1662 unsigned int type = stream_read_dword_le(demuxer->stream);
1663 unsigned int subtype = stream_read_dword_le(demuxer->stream);
1664 unsigned int manufact = stream_read_dword_le(demuxer->stream);
1665 unsigned int comp_flags = stream_read_dword(demuxer->stream);
1666 unsigned int comp_mask = stream_read_dword(demuxer->stream);
1667 int len = stream_read_char(demuxer->stream);
1668 char* str = malloc(len + 1);
1669 stream_read(demuxer->stream, str, len);
1670 str[len] = 0;
1671 mp_msg(MSGT_DEMUX, MSGL_V,
1672 "MOV: %*sHandler header: %.4s/%.4s (%.4s) %s\n", level, "",
1673 (char *)&type, (char *)&subtype, (char *)&manufact, str);
1674 free(str);
1675 switch(bswap_32(type)) {
1676 case MOV_FOURCC('m','h','l','r'):
1677 trak->media_handler = bswap_32(subtype);
1678 break;
1679 case MOV_FOURCC('d','h','l','r'):
1680 trak->data_handler = bswap_32(subtype);
1681 break;
1682 default:
1683 mp_msg(MSGT_DEMUX, MSGL_V,
1684 "MOV: unknown handler class: 0x%X (%.4s)\n",
1685 bswap_32(type), (char *)&type);
1686 }
1687 break;
1688 }
1689 case MOV_FOURCC('v','m','h','d'): {
1690 mp_msg(MSGT_DEMUX, MSGL_V, "MOV: %*sVideo header!\n", level, "");
1691 trak->type = MOV_TRAK_VIDEO;
1692 // read video data
1693 break;
1694 }
1695 case MOV_FOURCC('s','m','h','d'): {
1696 mp_msg(MSGT_DEMUX, MSGL_V, "MOV: %*sSound header!\n", level, "");
1697 trak->type = MOV_TRAK_AUDIO;
1698 // read audio data
1699 break;
1700 }
1701 case MOV_FOURCC('g','m','h','d'): {
1702 mp_msg(MSGT_DEMUX, MSGL_V, "MOV: %*sGeneric header!\n", level, "");
1703 trak->type = MOV_TRAK_GENERIC;
1704 break;
1705 }
1706 case MOV_FOURCC('n','m','h','d'): {
1707 mp_msg(MSGT_DEMUX, MSGL_V, "MOV: %*sGeneric header!\n", level, "");
1708 trak->type = MOV_TRAK_GENERIC;
1709 break;
1710 }
1711 case MOV_FOURCC('s','t','s','d'): {
1712 int i = stream_read_dword(demuxer->stream); // temp!
1713 int count = stream_read_dword(demuxer->stream);
1714 mp_msg(MSGT_DEMUX, MSGL_V, "MOV: %*sDescription list! (cnt:%d)\n",
1715 level, "", count);
1716 for (i = 0; i < count; i++) {
1717 off_t pos = stream_tell(demuxer->stream);
1718 off_t len = stream_read_dword(demuxer->stream);
1719 unsigned int fourcc = stream_read_dword_le(demuxer->stream);
1720 /* some files created with Broadcast 2000 (e.g. ilacetest.mov)
1721 contain raw I420 video but have a yv12 fourcc */
1722 if (fourcc == mmioFOURCC('y','v','1','2'))
1723 fourcc = mmioFOURCC('I','4','2','0');
1724 if (len < 8)
1725 break; // error
1726 mp_msg(MSGT_DEMUX, MSGL_V,
1727 "MOV: %*s desc #%d: %.4s (%"PRId64" bytes)\n", level, "",
1728 i, (char *)&fourcc, (int64_t)len - 16);
1729 if (fourcc != trak->fourcc && i)
1730 mp_msg(MSGT_DEMUX, MSGL_WARN, MSGTR_MOVvariableFourCC);
1731 // if(!i)
1732 {
1733 trak->fourcc = fourcc;
1734 // read type specific (audio/video/time/text etc) header
1735 // NOTE: trak type is not yet known at this point :(((
1736 trak->stdata_len = len - 8;
1737 trak->stdata = malloc(trak->stdata_len);
1738 stream_read(demuxer->stream, trak->stdata, trak->stdata_len);
1739 }
1740 if (!stream_seek(demuxer->stream, pos + len))
1741 break;
1742 }
1743 break;
1744 }
1745 case MOV_FOURCC('s','t','t','s'): {
1746 int temp = stream_read_dword(demuxer->stream);
1747 int len = stream_read_dword(demuxer->stream);
1748 int i;
1749 unsigned int pts = 0;
1750 mp_msg(MSGT_DEMUX, MSGL_V,
1751 "MOV: %*sSample duration table! (%d blocks)\n", level, "",
1752 len);
1753 trak->durmap = calloc(len, sizeof(mov_durmap_t));
1754 trak->durmap_size = trak->durmap ? len : 0;
1755 for (i = 0; i < trak->durmap_size; i++) {
1756 trak->durmap[i].num = stream_read_dword(demuxer->stream);
1757 trak->durmap[i].dur = stream_read_dword(demuxer->stream);
1758 pts += trak->durmap[i].num * trak->durmap[i].dur;
1759 }
1760 if (trak->length != pts)
1761 mp_msg(MSGT_DEMUX, MSGL_WARN, "Warning! pts=%d length=%d\n",
1762 pts, trak->length);
1763 break;
1764 }
1765 case MOV_FOURCC('s','t','s','c'): {
1766 int temp = stream_read_dword(demuxer->stream);
1767 int len = stream_read_dword(demuxer->stream);
1768 int ver = (temp << 24);
1769 int flags = (temp << 16) | (temp << 8) | temp;
1770 int i;
1771 mp_msg(MSGT_DEMUX, MSGL_V,
1772 "MOV: %*sSample->Chunk mapping table! (%d blocks) (ver:%d,flags:%d)\n", level, "",
1773 len, ver, flags);
1774 // read data:
1775 trak->chunkmap = calloc(len, sizeof(mov_chunkmap_t));
1776 trak->chunkmap_size = trak->chunkmap ? len : 0;
1777 for (i = 0; i < trak->chunkmap_size; i++) {
1778 trak->chunkmap[i].first = stream_read_dword(demuxer->stream) - 1;
1779 trak->chunkmap[i].spc = stream_read_dword(demuxer->stream);
1780 trak->chunkmap[i].sdid = stream_read_dword(demuxer->stream);
1781 }
1782 break;
1783 }
1784 case MOV_FOURCC('s','t','s','z'): {
1785 int temp = stream_read_dword(demuxer->stream);
1786 int ss=stream_read_dword(demuxer->stream);
1787 int ver = (temp << 24);
1788 int flags = (temp << 16) | (temp << 8) | temp;
1789 int entries = stream_read_dword(demuxer->stream);
1790 int i;
1791 mp_msg(MSGT_DEMUX, MSGL_V,
1792 "MOV: %*sSample size table! (entries=%d ss=%d) (ver:%d,flags:%d)\n", level, "",
1793 entries, ss, ver, flags);
1794 trak->samplesize = ss;
1795 if (!ss) {
1796 // variable samplesize
1797 trak->samples = realloc_struct(trak->samples, entries, sizeof(mov_sample_t));
1798 trak->samples_size = entries;
1799 for (i = 0; i < trak->samples_size; i++)
1800 trak->samples[i].size = stream_read_dword(demuxer->stream);
1801 }
1802 break;
1803 }
1804 case MOV_FOURCC('s','t','c','o'): {
1805 int temp = stream_read_dword(demuxer->stream);
1806 int len = stream_read_dword(demuxer->stream);
1807 int i;
1808 mp_msg(MSGT_DEMUX, MSGL_V,
1809 "MOV: %*sChunk offset table! (%d chunks)\n", level, "",
1810 len);
1811 // extend array if needed:
1812 if (len > trak->chunks_size) {
1813 trak->chunks = realloc_struct(trak->chunks, len, sizeof(mov_chunk_t));
1814 trak->chunks_size = trak->chunks ? len : 0;
1815 }
1816 // read elements:
1817 for(i = 0; i < trak->chunks_size; i++)
1818 trak->chunks[i].pos = stream_read_dword(demuxer->stream);
1819 break;
1820 }
1821 case MOV_FOURCC('c','o','6','4'): {
1822 int temp = stream_read_dword(demuxer->stream);
1823 int len = stream_read_dword(demuxer->stream);
1824 int i;
1825 mp_msg(MSGT_DEMUX, MSGL_V,
1826 "MOV: %*s64bit chunk offset table! (%d chunks)\n", level, "",
1827 len);
1828 // extend array if needed:
1829 if (len > trak->chunks_size) {
1830 trak->chunks = realloc_struct(trak->chunks, len, sizeof(mov_chunk_t));
1831 trak->chunks_size = trak->chunks ? len : 0;
1832 }
1833 // read elements:
1834 for (i = 0; i < trak->chunks_size; i++) {
1835 #ifndef _LARGEFILE_SOURCE
1836 if (stream_read_dword(demuxer->stream) != 0)
1837 mp_msg(MSGT_DEMUX, MSGL_WARN, "Chunk %d has got 64bit address, but you've MPlayer compiled without LARGEFILE support!\n", i);
1838 trak->chunks[i].pos = stream_read_dword(demuxer->stream);
1839 #else
1840 trak->chunks[i].pos = stream_read_qword(demuxer->stream);
1841 #endif
1842 }
1843 break;
1844 }
1845 case MOV_FOURCC('s','t','s','s'): {
1846 int temp = stream_read_dword(demuxer->stream);
1847 int entries = stream_read_dword(demuxer->stream);
1848 int ver = (temp << 24);
1849 int flags = (temp << 16) | (temp<<8) | temp;
1850 int i;
1851 mp_msg(MSGT_DEMUX, MSGL_V,
1852 "MOV: %*sSyncing samples (keyframes) table! (%d entries) (ver:%d,flags:%d)\n", level, "",
1853 entries, ver, flags);
1854 trak->keyframes = calloc(entries, sizeof(unsigned int));
1855 trak->keyframes_size = trak->keyframes ? entries : 0;
1856 for (i = 0; i < trak->keyframes_size; i++)
1857 trak->keyframes[i] = stream_read_dword(demuxer->stream) - 1;
1858 break;
1859 }
1860 case MOV_FOURCC('m','d','i','a'): {
1861 mp_msg(MSGT_DEMUX, MSGL_V, "MOV: %*sMedia stream!\n", level, "");
1862 lschunks(demuxer, level + 1, pos + len, trak);
1863 break;
1864 }
1865 case MOV_FOURCC('m','i','n','f'): {
1866 mp_msg(MSGT_DEMUX, MSGL_V, "MOV: %*sMedia info!\n", level, "");
1867 lschunks(demuxer, level + 1 ,pos + len, trak);
1868 break;
1869 }
1870 case MOV_FOURCC('s','t','b','l'): {
1871 mp_msg(MSGT_DEMUX, MSGL_V, "MOV: %*sSample info!\n", level, "");
1872 lschunks(demuxer, level + 1, pos + len, trak);
1873 break;
1874 }
1875 case MOV_FOURCC('e','d','t','s'): {
1876 mp_msg(MSGT_DEMUX, MSGL_V, "MOV: %*sEdit atom!\n", level, "");
1877 lschunks(demuxer, level + 1, pos + len, trak);
1878 break;
1879 }
1880 case MOV_FOURCC('e','l','s','t'): {
1881 int temp = stream_read_dword(demuxer->stream);
1882 int entries = stream_read_dword(demuxer->stream);
1883 int ver = (temp << 24);
1884 int flags = (temp << 16) | (temp << 8) | temp;
1885 int i;
1886 mp_msg(MSGT_DEMUX, MSGL_V,
1887 "MOV: %*sEdit list table (%d entries) (ver:%d,flags:%d)\n", level, "",
1888 entries, ver, flags);
1889 #if 1
1890 trak->editlist = calloc(entries, sizeof(mov_editlist_t));
1891 trak->editlist_size = trak->editlist ? entries : 0;
1892 for (i = 0; i < trak->editlist_size; i++) {
1893 int dur = stream_read_dword(demuxer->stream);
1894 int mt = stream_read_dword(demuxer->stream);
1895 int mr = stream_read_dword(demuxer->stream); // 16.16fp
1896 trak->editlist[i].dur = dur;
1897 trak->editlist[i].pos = mt;
1898 trak->editlist[i].speed = mr;
1899 mp_msg(MSGT_DEMUX, MSGL_V,
1900 "MOV: %*s entry#%d: duration: %d start time: %d speed: %3.1fx\n", level, "",
1901 i, dur, mt, (float)mr/65536.0f);
1902 }
1903 #endif
1904 break;
1905 }
1906 case MOV_FOURCC('c','o','d','e'): {
1907 /* XXX: Implement atom 'code' for FLASH support */
1908 break;
1909 }
1910 default:
1911 id = be2me_32(id);
1912 mp_msg(MSGT_DEMUX,MSGL_V,"MOV: unknown chunk: %.4s %d\n",(char *)&id,(int)len);
1913 break;
1914 }//switch(id)
1915 return 0;
1916 }
1917
1918 static demuxer_t* mov_read_header(demuxer_t* demuxer){
1919 mov_priv_t* priv=demuxer->priv;
1920 int t_no;
1921 int best_a_id=-1, best_a_len=0;
1922 int best_v_id=-1, best_v_len=0;
1923
1924 mp_msg(MSGT_DEMUX, MSGL_DBG3, "mov_read_header!\n");
1925
1926 // Parse header:
1927 stream_reset(demuxer->stream);
1928 if(!stream_seek(demuxer->stream,priv->moov_start))
1929 {
1930 mp_msg(MSGT_DEMUX,MSGL_ERR,"MOV: Cannot seek to the beginning of the Movie header (0x%"PRIx64")\n",
1931 (int64_t)priv->moov_start);
1932 return 0;
1933 }
1934 lschunks(demuxer, 0, priv->moov_end, NULL);
1935 // just in case we have hit eof while parsing...
1936 demuxer->stream->eof = 0;
1937 // mp_msg(MSGT_DEMUX, MSGL_INFO, "--------------\n");
1938
1939 // find the best (longest) streams:
1940 for(t_no=0;t_no<priv->track_db;t_no++){
1941 mov_track_t* trak=priv->tracks[t_no];
1942 int len=(trak->samplesize) ? trak->chunks_size : trak->samples_size;
1943 if(demuxer->a_streams[t_no]){ // need audio
1944 if(len>best_a_len){ best_a_len=len; best_a_id=t_no; }
1945 }
1946 if(demuxer->v_streams[t_no]){ // need video
1947 if(len>best_v_len){ best_v_len=len; best_v_id=t_no; }
1948 }
1949 }
1950 mp_msg(MSGT_DEMUX, MSGL_V, "MOV: longest streams: A: #%d (%d samples) V: #%d (%d samples)\n",
1951 best_a_id,best_a_len,best_v_id,best_v_len);
1952 if(demuxer->audio->id==-1 && best_a_id>=0) demuxer->audio->id=best_a_id;
1953 if(demuxer->video->id==-1 && best_v_id>=0) demuxer->video->id=best_v_id;
1954
1955 // setup sh pointers:
1956 if(demuxer->audio->id>=0){
1957 sh_audio_t* sh=demuxer->a_streams[demuxer->audio->id];
1958 if(sh){
1959 demuxer->audio->sh=sh; sh->ds=demuxer->audio;
1960 } else {
1961 mp_msg(MSGT_DEMUX, MSGL_ERR, "MOV: selected audio stream (%d) does not exist\n",demuxer->audio->id);
1962 demuxer->audio->id=-2;
1963 }
1964 }
1965 if(demuxer->video->id>=0){
1966 sh_video_t* sh=demuxer->v_streams[demuxer->video->id];
1967 if(sh){
1968 demuxer->video->sh=sh; sh->ds=demuxer->video;
1969 } else {
1970 mp_msg(MSGT_DEMUX, MSGL_ERR, "MOV: selected video stream (%d) does not exist\n",demuxer->video->id);
1971 demuxer->video->id=-2;
1972 }
1973 }
1974 if(demuxer->sub->id>=0){
1975 sh_sub_t* sh=demuxer->s_streams[demuxer->sub->id];
1976 if(sh){
1977 demuxer->sub->sh=sh;
1978 } else {
1979 mp_msg(MSGT_DEMUX, MSGL_ERR, "MOV: selected subtitle stream (%d) does not exist\n",demuxer->sub->id);
1980 demuxer->sub->id=-2;
1981 }
1982 }
1983
1984 if(demuxer->video->id<0 && demuxer->audio->id<0) {
1985 /* No AV streams found. Try to find an MPEG stream. */
1986 for(t_no=0;t_no<priv->track_db;t_no++){
1987 mov_track_t* trak=priv->tracks[t_no];
1988 if(trak->media_handler == MOV_FOURCC('M','P','E','G')) {
1989 stream_t *s;
1990 demuxer_t *od;
1991
1992 demuxer->video->id = t_no;
1993 s = new_ds_stream(demuxer->video);
1994 od = demux_open(s, DEMUXER_TYPE_MPEG_PS, -1, -1, -1, NULL);
1995 if(od) return new_demuxers_demuxer(od, od, od);
1996 demuxer->video->id = -2; //new linked demuxer couldn't be allocated
1997 break;
1998 }
1999 }
2000 }
2001
2002 #if 0
2003 if( mp_msg_test(MSGT_DEMUX,MSGL_DBG3) ){
2004 for(t_no=0;t_no<priv->track_db;t_no++){
2005 mov_track_t* trak=priv->tracks[t_no];
2006 if(trak->type==MOV_TRAK_GENERIC){
2007 int i;
2008 int fd;
2009 char name[20];
2010 mp_msg(MSGT_DEMUX, MSGL_INFO, "MOV: Track #%d: Extracting %d data chunks to files\n",t_no,trak->samples_size);
2011 for (i=0; i<trak->samples_size; i++)
2012 {
2013 int len=trak->samples[i].size;
2014 char buf[len];
2015 stream_seek(demuxer->stream, trak->samples[i].pos);
2016 snprintf(name, 20, "t%02d-s%03d.%s", t_no,i,
2017 (trak->media_handler==MOV_FOURCC('f','l','s','h')) ?
2018 "swf":"dump");
2019 fd = open(name, O_CREAT|O_WRONLY);
2020 // { int j;
2021 // for(j=0;j<trak->stdata_len-3; j++)
2022 // printf("stdata[%d]=0x%X ize=0x%X\n",j,char2int(trak->stdata,j),MOV_FOURCC('z','l','i','b'));
2023 // }
2024 if( //trak->media_handler==MOV_FOURCC('s','p','r','t') &&
2025 trak->stdata_len>=16 &&
2026 char2int(trak->stdata,12)==MOV_FOURCC('z','l','i','b')
2027 ){
2028 int newlen=stream_read_dword(demuxer->stream);
2029 #ifdef CONFIG_ZLIB
2030 // unzip:
2031 z_stream zstrm;
2032 int zret;
2033 char buf2[newlen];
2034
2035 len-=4;
2036 stream_read(demuxer->stream, buf, len);
2037
2038 zstrm.zalloc = (alloc_func)0;
2039 zstrm.zfree = (free_func)0;
2040 zstrm.opaque = (voidpf)0;
2041 zstrm.next_in = buf;
2042 zstrm.avail_in = len;
2043 zstrm.next_out = buf2;
2044 zstrm.avail_out = newlen;
2045
2046 zret = inflateInit(&zstrm);
2047 zret = inflate(&zstrm, Z_NO_FLUSH);
2048 if(newlen != zstrm.total_out)
2049 mp_msg(MSGT_DEMUX, MSGL_WARN, "Warning! unzipped frame size differs hdr: %d zlib: %ld\n",newlen,zstrm.total_out);
2050
2051 write(fd, buf2, newlen);
2052 } else {
2053 #else
2054 len-=4;
2055 mp_msg(MSGT_DEMUX, MSGL_INFO, "******* ZLIB COMPRESSED SAMPLE!!!!! (%d->%d bytes) *******\n",len,newlen);
2056 }
2057 {
2058 #endif
2059 stream_read(demuxer->stream, buf, len);
2060 write(fd, buf, len);
2061 }
2062 close(fd);
2063 }
2064 }
2065 }
2066 }
2067 demuxer->stream->eof = 0;
2068 #endif
2069
2070 return demuxer;
2071 }
2072
2073 /**
2074 * \brief return the mov track that belongs to a demuxer stream
2075 * \param ds the demuxer stream, may be NULL
2076 * \return the mov track info structure belonging to the stream,
2077 * NULL if not found
2078 */
2079 static mov_track_t *stream_track(mov_priv_t *priv, demux_stream_t *ds) {
2080 if (ds && (ds->id >= 0) && (ds->id < priv->track_db))
2081 return priv->tracks[ds->id];
2082 return NULL;
2083 }
2084
2085 // return value:
2086 // 0 = EOF or no stream found
2087 // 1 = successfully read a packet
2088 static int demux_mov_fill_buffer(demuxer_t *demuxer,demux_stream_t* ds){
2089 mov_priv_t* priv=demuxer->priv;
2090 mov_track_t* trak=NULL;
2091 float pts;
2092 int x;
2093 off_t pos;
2094
2095 if (ds->eof) return 0;
2096 trak = stream_track(priv, ds);
2097 if (!trak) return 0;
2098
2099 if(trak->samplesize){
2100 // read chunk:
2101 if(trak->pos>=trak->chunks_size) return 0; // EOF
2102 stream_seek(demuxer->stream,trak->chunks[trak->pos].pos);
2103 pts=(float)(trak->chunks[trak->pos].sample*trak->duration)/(float)trak->timescale;
2104 if(trak->samplesize!=1)
2105 {
2106 mp_msg(MSGT_DEMUX, MSGL_DBG2, "WARNING! Samplesize(%d) != 1\n",
2107 trak->samplesize);
2108 if((trak->fourcc != MOV_FOURCC('t','w','o','s')) && (trak->fourcc != MOV_FOURCC('s','o','w','t')))
2109 x=trak->chunks[trak->pos].size*trak->samplesize;
2110 else
2111 x=trak->chunks[trak->pos].size;
2112 }
2113 else
2114 x=trak->chunks[trak->pos].size;
2115 // printf("X = %d\n", x);
2116 /* the following stuff is audio related */
2117 if (trak->type == MOV_TRAK_AUDIO){
2118 if(trak->stdata_len>=44 && trak->stdata[9]>=1 && char2int(trak->stdata,28)>0){
2119 // stsd version 1 - we have audio compression ratio info:
2120 x/=char2int(trak->stdata,28); // samples/packet
2121 // x*=char2int(trak->stdata,32); // bytes/packet
2122 x*=char2int(trak->stdata,36); // bytes/frame
2123 } else {
2124 if(ds->ss_div && ds->ss_mul){
2125 // workaround for buggy files like 7up-high-traffic-areas.mov,
2126 // with missing stsd v1 header containing compression rate
2127 x/=ds->ss_div; x*=ds->ss_mul; // compression ratio fix ! HACK !
2128 } else {
2129 x*=trak->nchannels;
2130 x*=trak->samplebytes;
2131 }
2132 }
2133 mp_msg(MSGT_DEMUX, MSGL_DBG2, "Audio sample %d bytes pts %5.3f\n",trak->chunks[trak->pos].size*trak->samplesize,pts);
2134 } /* MOV_TRAK_AUDIO */
2135 pos=trak->chunks[trak->pos].pos;
2136 } else {
2137 int frame=trak->pos;
2138 // editlist support:
2139 if(trak->type == MOV_TRAK_VIDEO && trak->editlist_size>=1){
2140 // find the right editlist entry:
2141 if(frame<trak->editlist[trak->editlist_pos].start_frame)
2142 trak->editlist_pos=0;
2143 while(trak->editlist_pos<trak->editlist_size-1 &&
2144 frame>=trak->editlist[trak->editlist_pos+1].start_frame)
2145 ++trak->editlist_pos;
2146 if(frame>=trak->editlist[trak->editlist_pos].start_frame+
2147 trak->editlist[trak->editlist_pos].frames) return 0; // EOF
2148 // calc real frame index:
2149 frame-=trak->editlist[trak->editlist_pos].start_frame;
2150 frame+=trak->editlist[trak->editlist_pos].start_sample;
2151 // calc pts:
2152 pts=(float)(trak->samples[frame].pts+
2153 trak->editlist[trak->editlist_pos].pts_offset)/(float)trak->timescale;
2154 } else {
2155 if(frame>=trak->samples_size) return 0; // EOF
2156 pts=(float)trak->samples[frame].pts/(float)trak->timescale;
2157 }
2158 // read sample:
2159 stream_seek(demuxer->stream,trak->samples[frame].pos);
2160 x=trak->samples[frame].size;
2161 pos=trak->samples[frame].pos;
2162 }
2163 if(trak->pos==0 && trak->stream_header_len>0){
2164 // we have to append the stream header...
2165 demux_packet_t* dp=new_demux_packet(x+trak->stream_header_len);
2166 memcpy(dp->buffer,trak->stream_header,trak->stream_header_len);
2167 stream_read(demuxer->stream,dp->buffer+trak->stream_header_len,x);
2168 free(trak->stream_header);
2169 trak->stream_header = NULL;
2170 trak->stream_header_len = 0;
2171 dp->pts=pts;
2172 dp->flags=0;
2173 dp->pos=pos; // FIXME?
2174 ds_add_packet(ds,dp);
2175 } else
2176 ds_read_packet(ds,demuxer->stream,x,pts,pos,0);
2177
2178 ++trak->pos;
2179
2180 trak = NULL;
2181 if (demuxer->sub->id >= 0 && demuxer->sub->id < priv->track_db)
2182 trak = priv->tracks[demuxer->sub->id];
2183 if (trak) {
2184 int samplenr = 0;
2185 while (samplenr < trak->samples_size) {
2186 double subpts = (double)trak->samples[samplenr].pts / (double)trak->timescale;
2187 if (subpts >= pts) break;
2188 samplenr++;
2189 }
2190 samplenr--;
2191 if (samplenr < 0)
2192 vo_sub = NULL;
2193 else if (samplenr != priv->current_sub) {
2194 sh_sub_t *sh = demuxer->sub->sh;
2195 off_t pos = trak->samples[samplenr].pos;
2196 int len = trak->samples[samplenr].size;
2197 double subpts = (double)trak->samples[samplenr].pts / (double)trak->timescale;
2198 stream_seek(demuxer->stream, pos);
2199 ds_read_packet(demuxer->sub, demuxer->stream, len, subpts, pos, 0);
2200 priv->current_sub = samplenr;
2201 }
2202 }
2203
2204 return 1;
2205
2206 }
2207
2208 static float mov_seek_track(mov_track_t* trak,float pts,int flags){
2209
2210 // printf("MOV track seek called %5.3f \n",pts);
2211 if(flags&SEEK_FACTOR) pts*=trak->length; else pts*=(float)trak->timescale;
2212
2213 if(trak->samplesize){
2214 int sample=pts/trak->duration;
2215 // printf("MOV track seek - chunk: %d (pts: %5.3f dur=%d) \n",sample,pts,trak->duration);
2216 if(!(flags&SEEK_ABSOLUTE)) sample+=trak->chunks[trak->pos].sample; // relative
2217 trak->pos=0;
2218 while(trak->pos<trak->chunks_size && trak->chunks[trak->pos].sample<sample) ++trak->pos;
2219 if (trak->pos == trak->chunks_size) return -1;
2220 pts=(float)(trak->chunks[trak->pos].sample*trak->duration)/(float)trak->timescale;
2221 } else {
2222 unsigned int ipts;
2223 if(!(flags&SEEK_ABSOLUTE)) pts+=trak->samples[trak->pos].pts;
2224 if(pts<0) pts=0;
2225 ipts=pts;
2226 //printf("MOV track seek - sample: %d \n",ipts);
2227 for(trak->pos=0;trak->pos<trak->samples_size;++trak->pos){
2228 if(trak->samples[trak->pos].pts>=ipts) break; // found it!
2229 }
2230 if (trak->pos == trak->samples_size) return -1;
2231 if(trak->keyframes_size){
2232 // find nearest keyframe
2233 int i;
2234 for(i=0;i<trak->keyframes_size;i++){
2235 if(trak->keyframes[i]>=trak->pos) break;
2236 }
2237 if (i == trak->keyframes_size) return -1;
2238 if(i>0 && (trak->keyframes[i]-trak->pos) > (trak->pos-trak->keyframes[i-1]))
2239 --i;
2240 trak->pos=trak->keyframes[i];
2241 // printf("nearest keyframe: %d \n",trak->pos);
2242 }
2243 pts=(float)trak->samples[trak->pos].pts/(float)trak->timescale;
2244 }
2245
2246 // printf("MOV track seek done: %5.3f \n",pts);
2247
2248 return pts;
2249 }
2250
2251 static void demux_seek_mov(demuxer_t *demuxer,float pts,float audio_delay,int flags){
2252 mov_priv_t* priv=demuxer->priv;
2253 demux_stream_t* ds;
2254 mov_track_t* trak;
2255
2256 // printf("MOV seek called %5.3f flag=%d \n",pts,flags);
2257
2258 ds=demuxer->video;
2259 trak = stream_track(priv, ds);
2260 if (trak) {
2261 //if(flags&2) pts*=(float)trak->length/(float)trak->timescale;
2262 //if(!(flags&1)) pts+=ds->pts;
2263 ds->pts=mov_seek_track(trak,pts,flags);
2264 if (ds->pts < 0) ds->eof = 1;
2265 else pts = ds->pts;
2266 flags=1; // absolute seconds
2267 }
2268
2269 ds=demuxer->audio;
2270 trak = stream_track(priv, ds);
2271 if (trak) {
2272 //if(flags&2) pts*=(float)trak->length/(float)trak->timescale;
2273 //if(!(flags&1)) pts+=ds->pts;
2274 ds->pts=mov_seek_track(trak,pts,flags);
2275 if (ds->pts < 0) ds->eof = 1;
2276 }
2277
2278 }
2279
2280 static int demux_mov_control(demuxer_t *demuxer, int cmd, void *arg){
2281 mov_track_t* track;
2282
2283 // try the video track
2284 track = stream_track(demuxer->priv, demuxer->video);
2285 if (!track || !track->length)
2286 // otherwise try to get the info from the audio track
2287 track = stream_track(demuxer->priv, demuxer->audio);
2288
2289 if (!track || !track->length)
2290 return DEMUXER_CTRL_DONTKNOW;
2291
2292 switch(cmd) {
2293 case DEMUXER_CTRL_GET_TIME_LENGTH:
2294 if (!track->timescale)
2295 return DEMUXER_CTRL_DONTKNOW;
2296 *((double *)arg) = (double)track->length / track->timescale;
2297 return DEMUXER_CTRL_OK;
2298
2299 case DEMUXER_CTRL_GET_PERCENT_POS:
2300 {
2301 off_t pos = track->pos;
2302 if (track->durmap_size >= 1)
2303 pos *= track->durmap[0].dur;
2304 *((int *)arg) = (int)(100 * pos / track->length);
2305 return DEMUXER_CTRL_OK;
2306 }
2307 }
2308 return DEMUXER_CTRL_NOTIMPL;
2309 }
2310
2311
2312 const demuxer_desc_t demuxer_desc_mov = {
2313 "Quicktime/MP4 demuxer",
2314 "mov",
2315 "Quicktime/MOV",
2316 "Arpi, Al3x, Atmos, others",
2317 "Handles Quicktime, MP4, 3GP",
2318 DEMUXER_TYPE_MOV,
2319 0, // slow autodetect
2320 mov_check_file,
2321 demux_mov_fill_buffer,
2322 mov_read_header,
2323 demux_close_mov,
2324 demux_seek_mov,
2325 demux_mov_control
2326 };
mplayer with SMedia Glamo drivers