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Remove unused variable from demux_mov.
[mplayer/glamo.git] / libmpdemux / demux_mov.c
blobbcb249b7320ecf1e9d4be4b2abc5412f15516e95
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/common.h"
45 #include "libavutil/intreadwrite.h"
46
47 #include "libvo/sub.h"
48
49 #include "qtpalette.h"
50 #include "parse_mp4.h" // .MP4 specific stuff
51
52 #if CONFIG_ZLIB
53 #include <zlib.h>
54 #endif
55
56 #ifndef _FCNTL_H
57 #include <fcntl.h>
58 #endif
59
60 #define char2short(x,y) AV_RB16(&(x)[(y)])
61 #define char2int(x,y) AV_RB32(&(x)[(y)])
62
63 typedef struct {
64 unsigned int pts; // duration
65 unsigned int size;
66 off_t pos;
67 } mov_sample_t;
68
69 typedef struct {
70 unsigned int sample; // number of the first sample in the chunk
71 unsigned int size; // number of samples in the chunk
72 int desc; // for multiple codecs mode - not used
73 off_t pos;
74 } mov_chunk_t;
75
76 typedef struct {
77 unsigned int first;
78 unsigned int spc;
79 unsigned int sdid;
80 } mov_chunkmap_t;
81
82 typedef struct {
83 unsigned int num;
84 unsigned int dur;
85 } mov_durmap_t;
86
87 typedef struct {
88 unsigned int dur;
89 unsigned int pos;
90 int speed;
91 //
92 int frames;
93 int start_sample;
94 int start_frame;
95 int pts_offset;
96 } mov_editlist_t;
97
98 #define MOV_TRAK_UNKNOWN 0
99 #define MOV_TRAK_VIDEO 1
100 #define MOV_TRAK_AUDIO 2
101 #define MOV_TRAK_FLASH 3
102 #define MOV_TRAK_GENERIC 4
103 #define MOV_TRAK_CODE 5
104
105 typedef struct {
106 int id;
107 int type;
108 off_t pos;
109 //
110 unsigned int media_handler;
111 unsigned int data_handler;
112 //
113 int timescale;
114 unsigned int length;
115 int samplesize; // 0 = variable
116 int duration; // 0 = variable
117 int width,height; // for video
118 unsigned int fourcc;
119 unsigned int nchannels;
120 unsigned int samplebytes;
121 //
122 int tkdata_len; // track data
123 unsigned char* tkdata;
124 int stdata_len; // stream data
125 unsigned char* stdata;
126 //
127 unsigned char* stream_header;
128 int stream_header_len; // if >0, this header should be sent before the 1st frame
129 //
130 int samples_size;
131 mov_sample_t* samples;
132 int chunks_size;
133 mov_chunk_t* chunks;
134 int chunkmap_size;
135 mov_chunkmap_t* chunkmap;
136 int durmap_size;
137 mov_durmap_t* durmap;
138 int keyframes_size;
139 unsigned int* keyframes;
140 int editlist_size;
141 mov_editlist_t* editlist;
142 int editlist_pos;
143 //
144 void* desc; // image/sound/etc description (pointer to ImageDescription etc)
145 } mov_track_t;
146
147 void mov_build_index(mov_track_t* trak,int timescale){
148 int i,j,s;
149 int last=trak->chunks_size;
150 unsigned int pts=0;
151
152 #if 0
153 if (trak->chunks_size <= 0)
154 {
155 mp_msg(MSGT_DEMUX, MSGL_WARN, "No chunk offset table, trying to build one!\n");
156
157 trak->chunks_size = trak->samples_size; /* XXX: FIXME ! */
158 // audit: this code will be vulnerable if it is reenabled (currently #if 0)
159 trak->chunks = realloc(trak->chunks, sizeof(mov_chunk_t)*trak->chunks_size);
160
161 for (i=0; i < trak->chunks_size; i++)
162 trak->chunks[i].pos = -1;
163 }
164 #endif
165
166 mp_msg(MSGT_DEMUX, MSGL_V, "MOV track #%d: %d chunks, %d samples\n",trak->id,trak->chunks_size,trak->samples_size);
167 mp_msg(MSGT_DEMUX, MSGL_V, "pts=%d scale=%d time=%5.3f\n",trak->length,trak->timescale,(float)trak->length/(float)trak->timescale);
168
169 // process chunkmap:
170 i=trak->chunkmap_size;
171 while(i>0){
172 --i;
173 j=trak->chunkmap[i].first;
174 for(;j>=0 && j<last;j++){
175 trak->chunks[j].desc=trak->chunkmap[i].sdid;
176 trak->chunks[j].size=trak->chunkmap[i].spc;
177 }
178 last=FFMIN(trak->chunkmap[i].first, trak->chunks_size);
179 }
180
181 #if 0
182 for (i=0; i < trak->chunks_size; i++)
183 {
184 /* fixup position */
185 if (trak->chunks[i].pos == -1)
186 if (i > 0)
187 trak->chunks[i].pos = trak->chunks[i-1].pos + trak->chunks[i-1].size;
188 else
189 trak->chunks[i].pos = 0; /* FIXME: set initial pos */
190 #endif
191
192 // calc pts of chunks:
193 s=0;
194 for(j=0;j<trak->chunks_size;j++){
195 trak->chunks[j].sample=s;
196 s+=trak->chunks[j].size;
197 }
198 i = 0;
199 for (j = 0; j < trak->durmap_size; j++)
200 i += trak->durmap[j].num;
201 if (i != s) {
202 mp_msg(MSGT_DEMUX, MSGL_WARN,
203 "MOV: durmap and chunkmap sample count differ (%i vs %i)\n", i, s);
204 if (i > s) s = i;
205 }
206
207 // workaround for fixed-size video frames (dv and uncompressed)
208 if(!trak->samples_size && trak->type!=MOV_TRAK_AUDIO){
209 trak->samples=calloc(s, sizeof(mov_sample_t));
210 trak->samples_size=trak->samples ? s : 0;
211 for(i=0;i<trak->samples_size;i++)
212 trak->samples[i].size=trak->samplesize;
213 trak->samplesize=0;
214 }
215
216 if(!trak->samples_size){
217 // constant sampesize
218 if(trak->durmap_size==1 || (trak->durmap_size==2 && trak->durmap[1].num==1)){
219 trak->duration=trak->durmap[0].dur;
220 } else mp_msg(MSGT_DEMUX, MSGL_ERR, "*** constant samplesize & variable duration not yet supported! ***\nContact the author if you have such sample file!\n");
221 return;
222 }
223
224 if (trak->samples_size < s) {
225 mp_msg(MSGT_DEMUX, MSGL_WARN,
226 "MOV: durmap or chunkmap bigger than sample count (%i vs %i)\n",
227 s, trak->samples_size);
228 trak->samples = realloc_struct(trak->samples, s, sizeof(mov_sample_t));
229 trak->samples_size = trak->samples ? s : 0;
230 }
231
232 // calc pts:
233 s=0;
234 for(j=0;j<trak->durmap_size;j++){
235 for(i=0;i<trak->durmap[j].num;i++){
236 if (s >= trak->samples_size)
237 break;
238 trak->samples[s].pts=pts;
239 ++s;
240 pts+=trak->durmap[j].dur;
241 }
242 }
243
244 // calc sample offsets
245 s=0;
246 for(j=0;j<trak->chunks_size;j++){
247 off_t pos=trak->chunks[j].pos;
248 for(i=0;i<trak->chunks[j].size;i++){
249 if (s >= trak->samples_size)
250 break;
251 trak->samples[s].pos=pos;
252 mp_msg(MSGT_DEMUX, MSGL_DBG3, "Sample %5d: pts=%8d off=0x%08X size=%d\n",s,
253 trak->samples[s].pts,
254 (int)trak->samples[s].pos,
255 trak->samples[s].size);
256 pos+=trak->samples[s].size;
257 ++s;
258 }
259 }
260
261 // precalc editlist entries
262 if(trak->editlist_size>0){
263 int frame=0;
264 int e_pts=0;
265 for(i=0;i<trak->editlist_size;i++){
266 mov_editlist_t* el=&trak->editlist[i];
267 int sample=0;
268 int pts=el->pos;
269 el->start_frame=frame;
270 if(pts<0){
271 // skip!
272 el->frames=0; continue;
273 }
274 // find start sample
275 for(;sample<trak->samples_size;sample++){
276 if(pts<=trak->samples[sample].pts) break;
277 }
278 el->start_sample=sample;
279 el->pts_offset=((long long)e_pts*(long long)trak->timescale)/(long long)timescale-trak->samples[sample].pts;
280 pts+=((long long)el->dur*(long long)trak->timescale)/(long long)timescale;
281 e_pts+=el->dur;
282 // find end sample
283 for(;sample<trak->samples_size;sample++){
284 if(pts<trak->samples[sample].pts) break;
285 }
286 el->frames=sample-el->start_sample;
287 frame+=el->frames;
288 mp_msg(MSGT_DEMUX,MSGL_V,"EL#%d: pts=%d 1st_sample=%d frames=%d (%5.3fs) pts_offs=%d\n",i,
289 el->pos,el->start_sample, el->frames,
290 (float)(el->dur)/(float)timescale, el->pts_offset);
291 }
292 }
293
294 }
295
296 #define MOV_MAX_TRACKS 256
297 #define MOV_MAX_SUBLEN 1024
298
299 typedef struct {
300 off_t moov_start;
301 off_t moov_end;
302 off_t mdat_start;
303 off_t mdat_end;
304 int track_db;
305 mov_track_t* tracks[MOV_MAX_TRACKS];
306 int timescale; // movie timescale
307 int duration; // movie duration (in movie timescale units)
308 subtitle subs;
309 char subtext[MOV_MAX_SUBLEN + 1];
310 int current_sub;
311 } mov_priv_t;
312
313 #define MOV_FOURCC(a,b,c,d) ((a<<24)|(b<<16)|(c<<8)|(d))
314
315 static int mov_check_file(demuxer_t* demuxer){
316 int flags=0;
317 int no=0;
318 mov_priv_t* priv=malloc(sizeof(mov_priv_t));
319
320 mp_msg(MSGT_DEMUX,MSGL_V,"Checking for MOV\n");
321
322 memset(priv,0,sizeof(mov_priv_t));
323 priv->current_sub = -1;
324
325 while(1){
326 int i;
327 int skipped=8;
328 off_t len=stream_read_dword(demuxer->stream);
329 unsigned int id=stream_read_dword(demuxer->stream);
330 if(stream_eof(demuxer->stream)) break; // EOF
331 if (len == 1) /* real size is 64bits - cjb */
332 {
333 #ifndef _LARGEFILE_SOURCE
334 if (stream_read_dword(demuxer->stream) != 0)
335 mp_msg(MSGT_DEMUX, MSGL_WARN, "64bit file, but you've compiled MPlayer without LARGEFILE support!\n");
336 len = stream_read_dword(demuxer->stream);
337 #else
338 len = stream_read_qword(demuxer->stream);
339 #endif
340 skipped += 8;
341 }
342 #if 0
343 else if (len == 0) /* deleted chunk */
344 {
345 /* XXX: CJB! is this right? - alex */
346 goto skip_chunk;
347 }
348 #endif
349 else if(len<8) break; // invalid chunk
350
351 switch(id){
352 case MOV_FOURCC('f','t','y','p'): {
353 unsigned int tmp;
354 // File Type Box (ftyp):
355 // char[4] major_brand (eg. 'isom')
356 // int minor_version (eg. 0x00000000)
357 // char[4] compatible_brands[] (eg. 'mp41')
358 // compatible_brands list spans to the end of box
359 #if 1
360 tmp = stream_read_dword(demuxer->stream);
361 switch(tmp) {
362 case MOV_FOURCC('i','s','o','m'):
363 mp_msg(MSGT_DEMUX,MSGL_V,"ISO: File Type Major Brand: ISO Base Media\n");
364 break;
365 case MOV_FOURCC('m','p','4','1'):
366 mp_msg(MSGT_DEMUX,MSGL_INFO,"ISO: File Type Major Brand: ISO/IEC 14496-1 (MPEG-4 system) v1\n");
367 break;
368 case MOV_FOURCC('m','p','4','2'):
369 mp_msg(MSGT_DEMUX,MSGL_INFO,"ISO: File Type Major Brand: ISO/IEC 14496-1 (MPEG-4 system) v2\n");
370 break;
371 case MOV_FOURCC('M','4','A',' '):
372 mp_msg(MSGT_DEMUX,MSGL_INFO,"ISO: File Type Major Brand: Apple iTunes AAC-LC Audio\n");
373 break;
374 case MOV_FOURCC('M','4','P',' '):
375 mp_msg(MSGT_DEMUX,MSGL_INFO,"ISO: File Type Major Brand: Apple iTunes AAC-LC Protected Audio\n");
376 break;
377 case MOV_FOURCC('q','t',' ',' '):
378 mp_msg(MSGT_DEMUX,MSGL_INFO,"ISO: File Type Major Brand: Original QuickTime\n");
379 break;
380 case MOV_FOURCC('3','g','p','1'):
381 mp_msg(MSGT_DEMUX,MSGL_INFO,"ISO: File Type Major Brand: 3GPP Profile 1\n");
382 break;
383 case MOV_FOURCC('3','g','p','2'):
384 case MOV_FOURCC('3','g','2','a'):
385 mp_msg(MSGT_DEMUX,MSGL_INFO,"ISO: File Type Major Brand: 3GPP Profile 2\n");
386 break;
387 case MOV_FOURCC('3','g','p','3'):
388 mp_msg(MSGT_DEMUX,MSGL_INFO,"ISO: File Type Major Brand: 3GPP Profile 3\n");
389 break;
390 case MOV_FOURCC('3','g','p','4'):
391 mp_msg(MSGT_DEMUX,MSGL_INFO,"ISO: File Type Major Brand: 3GPP Profile 4\n");
392 break;
393 case MOV_FOURCC('3','g','p','5'):
394 mp_msg(MSGT_DEMUX,MSGL_INFO,"ISO: File Type Major Brand: 3GPP Profile 5\n");
395 break;
396 case MOV_FOURCC('m','m','p','4'):
397 mp_msg(MSGT_DEMUX,MSGL_INFO,"ISO: File Type Major Brand: Mobile ISO/IEC 14496-1 (MPEG-4 system)\n");
398 break;
399 default:
400 tmp = be2me_32(tmp);
401 mp_msg(MSGT_DEMUX,MSGL_WARN,"ISO: Unknown File Type Major Brand: %.4s\n",(char *)&tmp);
402 }
403 mp_msg(MSGT_DEMUX,MSGL_V,"ISO: File Type Minor Version: %d\n",
404 stream_read_dword(demuxer->stream));
405 skipped += 8;
406 // List all compatible brands
407 for(i = 0; i < ((len-16)/4); i++) {
408 tmp = be2me_32(stream_read_dword(demuxer->stream));
409 mp_msg(MSGT_DEMUX,MSGL_V,"ISO: File Type Compatible Brand #%d: %.4s\n",i,(char *)&tmp);
410 skipped += 4;
411 }
412 #endif
413 } break;
414 case MOV_FOURCC('m','o','o','v'):
415 // case MOV_FOURCC('c','m','o','v'):
416 mp_msg(MSGT_DEMUX,MSGL_V,"MOV: Movie header found!\n");
417 priv->moov_start=(off_t)stream_tell(demuxer->stream);
418 priv->moov_end=(off_t)priv->moov_start+len-skipped;
419 mp_msg(MSGT_DEMUX,MSGL_DBG2,"MOV: Movie header: start: %"PRIx64" end: %"PRIx64"\n",
420 (int64_t)priv->moov_start, (int64_t)priv->moov_end);
421 skipped+=8;
422 i = stream_read_dword(demuxer->stream)-8;
423 if(stream_read_dword(demuxer->stream)==MOV_FOURCC('r','m','r','a')){
424 skipped+=i;
425 mp_msg(MSGT_DEMUX,MSGL_INFO,"MOV: Reference Media file!!!\n");
426 //set demuxer type to playlist ...
427 demuxer->type=DEMUXER_TYPE_PLAYLIST;
428 while(i>0){
429 int len=stream_read_dword(demuxer->stream)-8;
430 int fcc=stream_read_dword(demuxer->stream);
431 if(len<0) break; // EOF!?
432 i-=8;
433 // printf("i=%d len=%d\n",i,len);
434 switch(fcc){
435 case MOV_FOURCC('r','m','d','a'):
436 continue;
437 case MOV_FOURCC('r','d','r','f'): {
438 av_unused int tmp=stream_read_dword(demuxer->stream);
439 av_unused int type=stream_read_dword_le(demuxer->stream);
440 int slen=stream_read_dword(demuxer->stream);
441 //char* s=malloc(slen+1);
442 //stream_read(demuxer->stream,s,slen);
443
444 //FIXME: also store type & data_rate ?
445 ds_read_packet(demuxer->video,
446 demuxer->stream,
447 slen,
448 0,
449 stream_tell(demuxer->stream),
450 0 // no flags
451 );
452 flags|=4;
453 mp_msg(MSGT_DEMUX,MSGL_V,"Added reference to playlist\n");
454 //s[slen]=0;
455 //mp_msg(MSGT_DEMUX,MSGL_INFO,"REF: [%.4s] %s\n",&type,s);
456 len-=12+slen;i-=12+slen; break;
457 }
458 case MOV_FOURCC('r','m','d','r'): {
459 av_unused int flags=stream_read_dword(demuxer->stream);
460 int rate=stream_read_dword(demuxer->stream);
461 mp_msg(MSGT_DEMUX,MSGL_V," min. data rate: %d bits/sec\n",rate);
462 len-=8; i-=8; break;
463 }
464 case MOV_FOURCC('r','m','q','u'): {
465 int q=stream_read_dword(demuxer->stream);
466 mp_msg(MSGT_DEMUX,MSGL_V," quality index: %d\n",q);
467 len-=4; i-=4; break;
468 }
469 }
470 i-=len;stream_skip(demuxer->stream,len);
471 }
472 }
473 flags|=1;
474 break;
475 case MOV_FOURCC('w','i','d','e'):
476 mp_msg(MSGT_DEMUX,MSGL_V,"MOV: 'WIDE' chunk found!\n");
477 if(flags&2) break;
478 case MOV_FOURCC('m','d','a','t'):
479 mp_msg(MSGT_DEMUX,MSGL_V,"MOV: Movie DATA found!\n");
480 priv->mdat_start=stream_tell(demuxer->stream);
481 priv->mdat_end=priv->mdat_start+len-skipped;
482 mp_msg(MSGT_DEMUX,MSGL_DBG2,"MOV: Movie data: start: %"PRIx64" end: %"PRIx64"\n",
483 (int64_t)priv->mdat_start, (int64_t)priv->mdat_end);
484 flags|=2;
485 if(flags==3){
486 // if we're over the headers, then we can stop parsing here!
487 demuxer->priv=priv;
488 return DEMUXER_TYPE_MOV;
489 }
490 break;
491 case MOV_FOURCC('f','r','e','e'):
492 case MOV_FOURCC('s','k','i','p'):
493 case MOV_FOURCC('j','u','n','k'):
494 mp_msg(MSGT_DEMUX,MSGL_DBG2,"MOV: free space (len: %"PRId64")\n", (int64_t)len);
495 /* unused, if you edit a mov, you can use space provided by free atoms (redefining it) */
496 break;
497 case MOV_FOURCC('p','n','o','t'):
498 case MOV_FOURCC('P','I','C','T'):
499 /* dunno what, but we shoudl ignore it */
500 break;
501 default:
502 if(no==0){ free(priv); return 0;} // first chunk is bad!
503 id = be2me_32(id);
504 mp_msg(MSGT_DEMUX,MSGL_V,"MOV: unknown chunk: %.4s %d\n",(char *)&id,(int)len);
505 }
506 //skip_chunk:
507 if(!stream_skip(demuxer->stream,len-skipped)) break;
508 ++no;
509 }
510
511 if(flags==3){
512 demuxer->priv=priv;
513 return DEMUXER_TYPE_MOV;
514 }
515 free(priv);
516
517 if ((flags==5) || (flags==7)) // reference & header sent
518 return DEMUXER_TYPE_PLAYLIST;
519
520 if(flags==1)
521 mp_msg(MSGT_DEMUX,MSGL_WARN,"MOV: missing data (mdat) chunk! Maybe broken file...\n");
522 else if(flags==2)
523 mp_msg(MSGT_DEMUX,MSGL_WARN,"MOV: missing header (moov/cmov) chunk! Maybe broken file...\n");
524
525 return 0;
526 }
527
528 static void demux_close_mov(demuxer_t *demuxer) {
529 mov_priv_t* priv = demuxer->priv;
530 int i;
531 if (!priv)
532 return;
533 for (i = 0; i < MOV_MAX_TRACKS; i++) {
534 mov_track_t *track = priv->tracks[i];
535 if (track) {
536 free(track->tkdata);
537 free(track->stdata);
538 free(track->stream_header);
539 free(track->samples);
540 free(track->chunks);
541 free(track->chunkmap);
542 free(track->durmap);
543 free(track->keyframes);
544 free(track->editlist);
545 free(track->desc);
546 free(track);
547 }
548 }
549 free(priv);
550 }
551
552 unsigned int store_ughvlc(unsigned char *s, unsigned int v){
553 unsigned int n = 0;
554
555 while(v >= 0xff) {
556 *s++ = 0xff;
557 v -= 0xff;
558 n++;
559 }
560 *s = v;
561 n++;
562
563 return n;
564 }
565
566 static void init_vobsub(sh_sub_t *sh, mov_track_t *trak) {
567 sh->type = 'v';
568 if (trak->stdata_len < 106)
569 return;
570 sh->extradata_len = 16*4;
571 sh->extradata = malloc(sh->extradata_len);
572 memcpy(sh->extradata, trak->stdata + 42, sh->extradata_len);
573 }
574
575 static int lschunks_intrak(demuxer_t* demuxer, int level, unsigned int id,
576 off_t pos, off_t len, mov_track_t* trak);
577
578 static int gen_sh_audio(sh_audio_t* sh, mov_track_t* trak, int timescale) {
579 #if 0
580 struct {
581 int16_t version; // 0 or 1 (version 1 is qt3.0+)
582 int16_t revision; // 0
583 int32_t vendor_id; // 0
584 int16_t channels; // 1 or 2 (Mono/Stereo)
585 int16_t samplesize; // 8 or 16 (8Bit/16Bit)
586 int16_t compression_id; // if version 0 then 0
587 // if version 1 and vbr then -2 else 0
588 int16_t packet_size; // 0
589 uint16_t sample_rate; // samplerate (Hz)
590 // qt3.0+ (version == 1)
591 uint32_t samples_per_packet; // 0 or num uncompressed samples in a packet
592 // if 0 below three values are also 0
593 uint32_t bytes_per_packet; // 0 or num compressed bytes for one channel
594 uint32_t bytes_per_frame; // 0 or num compressed bytes for all channels
595 // (channels * bytes_per_packet)
596 uint32_t bytes_per_sample; // 0 or size of uncompressed sample
597 // if samples_per_packet and bytes_per_packet are constant (CBR)
598 // then bytes_per_frame and bytes_per_sample must be 0 (else is VBR)
599 // ---
600 // optional additional atom-based fields
601 // ([int32_t size,int32_t type,some data ],repeat)
602 } my_stdata;
603 #endif
604 int version, adjust;
605 int is_vorbis = 0;
606 sh->format=trak->fourcc;
607
608 // crude audio delay from editlist0 hack ::atm
609 if(trak->editlist_size>=1) {
610 if(trak->editlist[0].pos == -1) {
611 sh->stream_delay = (float)trak->editlist[0].dur/(float)timescale;
612 mp_msg(MSGT_DEMUX,MSGL_V,"MOV: Initial Audio-Delay: %.3f sec\n", sh->stream_delay);
613 }
614 }
615
616
617 switch( sh->format ) {
618 case 0x726D6173: /* samr */
619 /* amr narrowband */
620 trak->samplebytes=sh->samplesize=1;
621 trak->nchannels=sh->channels=1;
622 sh->samplerate=8000;
623 break;
624
625 case 0x62776173: /* sawb */
626 /* amr wideband */
627 trak->samplebytes=sh->samplesize=1;
628 trak->nchannels=sh->channels=1;
629 sh->samplerate=16000;
630 break;
631
632 default:
633
634 // assumptions for below table: short is 16bit, int is 32bit, intfp is 16bit
635 // XXX: 32bit fixed point numbers (intfp) are only 2 Byte!
636 // short values are usually one byte leftpadded by zero
637 // int values are usually two byte leftpadded by zero
638 // stdata[]:
639 // 8 short version
640 // 10 short revision
641 // 12 int vendor_id
642 // 16 short channels
643 // 18 short samplesize
644 // 20 short compression_id
645 // 22 short packet_size (==0)
646 // 24 intfp sample_rate
647 // (26 short) unknown (==0)
648 // ---- qt3.0+ (version>=1)
649 // 28 int samples_per_packet
650 // 32 int bytes_per_packet
651 // 36 int bytes_per_frame
652 // 40 int bytes_per_sample
653 // there may be additional atoms following at 28 (version 0)
654 // or 44 (version 1), eg. esds atom of .MP4 files
655 // esds atom:
656 // 28 int atom size (bytes of int size, int type and data)
657 // 32 char[4] atom type (fourc charater code -> esds)
658 // 36 char[] atom data (len=size-8)
659
660 // TODO: fix parsing for files using version 2.
661 if (trak->stdata_len < 26) {
662 mp_msg(MSGT_DEMUX, MSGL_WARN, "MOV: broken (too small) sound atom!\n");
663 return 0;
664 }
665 version=char2short(trak->stdata,8);
666 if (version > 1)
667 mp_msg(MSGT_DEMUX, MSGL_WARN, "MOV: version %d sound atom may not parse correctly!\n", version);
668 trak->samplebytes=sh->samplesize=char2short(trak->stdata,18)/8;
669
670 /* I can't find documentation, but so far this is the case. -Corey */
671 switch (char2short(trak->stdata,16)) {
672 case 1:
673 trak->nchannels = 1; break;
674 case 2:
675 trak->nchannels = 2; break;
676 case 3:
677 trak->nchannels = 6; break;
678 default:
679 mp_msg(MSGT_DEMUX, MSGL_WARN,
680 "MOV: unable to determine audio channels, assuming 2 (got %d)\n",
681 char2short(trak->stdata,16));
682 trak->nchannels = 2;
683 }
684 sh->channels = trak->nchannels;
685
686 /*printf("MOV: timescale: %d samplerate: %d durmap: %d (%d) -> %d (%d)\n",
687 trak->timescale, char2short(trak->stdata,24), trak->durmap[0].dur,
688 trak->durmap[0].num, trak->timescale/trak->durmap[0].dur,
689 char2short(trak->stdata,24)/trak->durmap[0].dur);*/
690 sh->samplerate=char2short(trak->stdata,24);
691 if((sh->samplerate < 7000) && trak->durmap && trak->durmap[0].dur > 1) {
692 switch(char2short(trak->stdata,24)/trak->durmap[0].dur) {
693 // TODO: add more cases.
694 case 31:
695 sh->samplerate = 32000; break;
696 case 43:
697 sh->samplerate = 44100; break;
698 case 47:
699 sh->samplerate = 48000; break;
700 default:
701 mp_msg(MSGT_DEMUX, MSGL_WARN,
702 "MOV: unable to determine audio samplerate, "
703 "assuming 44.1kHz (got %d)\n",
704 char2short(trak->stdata,24)/trak->durmap[0].dur);
705 sh->samplerate = 44100;
706 }
707 }
708 }
709 mp_msg(MSGT_DEMUX, MSGL_V, "Audio bits: %d chans: %d rate: %d\n",
710 sh->samplesize*8,sh->channels,sh->samplerate);
711
712 if(trak->stdata_len >= 44 && trak->stdata[9]>=1){
713 mp_msg(MSGT_DEMUX,MSGL_V,"Audio header: samp/pack=%d bytes/pack=%d bytes/frame=%d bytes/samp=%d \n",
714 char2int(trak->stdata,28),
715 char2int(trak->stdata,32),
716 char2int(trak->stdata,36),
717 char2int(trak->stdata,40));
718 if(trak->stdata_len>=44+8){
719 int len=char2int(trak->stdata,44);
720 int fcc=char2int(trak->stdata,48);
721 // we have extra audio headers!!!
722 mp_msg(MSGT_DEMUX,MSGL_V,"Audio extra header: len=%d fcc=0x%X\n",len,fcc);
723 if((len >= 4) &&
724 (char2int(trak->stdata,52) >= 12) &&
725 (char2int(trak->stdata,52+4) == MOV_FOURCC('f','r','m','a'))) {
726 switch(char2int(trak->stdata,52+8)) {
727 case MOV_FOURCC('a','l','a','c'):
728 if (len >= 36 + char2int(trak->stdata,52)) {
729 sh->codecdata_len = char2int(trak->stdata,52+char2int(trak->stdata,52));
730 mp_msg(MSGT_DEMUX, MSGL_V, "MOV: Found alac atom (%d)!\n", sh->codecdata_len);
731 sh->codecdata = malloc(sh->codecdata_len);
732 memcpy(sh->codecdata, &trak->stdata[52+char2int(trak->stdata,52)], sh->codecdata_len);
733 }
734 break;
735 case MOV_FOURCC('i','n','2','4'):
736 case MOV_FOURCC('i','n','3','2'):
737 case MOV_FOURCC('f','l','3','2'):
738 case MOV_FOURCC('f','l','6','4'):
739 if ((len >= 22) &&
740 (char2int(trak->stdata,52+16)==MOV_FOURCC('e','n','d','a')) &&
741 (char2short(trak->stdata,52+20))) {
742 sh->format=char2int(trak->stdata,52+8);
743 mp_msg(MSGT_DEMUX, MSGL_V, "MOV: Found little endian PCM data, reversed fourcc:%04x\n", sh->format);
744 }
745 break;
746 default:
747 if (len > 8 && len + 44 <= trak->stdata_len) {
748 sh->codecdata_len = len-8;
749 sh->codecdata = malloc(sh->codecdata_len);
750 memcpy(sh->codecdata, trak->stdata+44+8, sh->codecdata_len);
751 }
752 }
753 } else {
754 if (len > 8 && len + 44 <= trak->stdata_len) {
755 sh->codecdata_len = len-8;
756 sh->codecdata = malloc(sh->codecdata_len);
757 memcpy(sh->codecdata, trak->stdata+44+8, sh->codecdata_len);
758 }
759 }
760 }
761 }
762
763 switch (version) {
764 case 0:
765 adjust = 0; break;
766 case 1:
767 adjust = 48; break;
768 case 2:
769 adjust = 68; break;
770 default:
771 mp_msg(MSGT_DEMUX, MSGL_WARN, "MOV: unknown sound atom version (%d); may not work!\n", version);
772 adjust = 68;
773 }
774 if (trak->stdata_len >= 36 + adjust) {
775 int atom_len = char2int(trak->stdata,28+adjust);
776 if (atom_len < 0 || atom_len > trak->stdata_len - 28 - adjust) atom_len = trak->stdata_len - 28 - adjust;
777 switch(char2int(trak->stdata,32+adjust)) { // atom type
778 case MOV_FOURCC('e','s','d','s'): {
779 mp_msg(MSGT_DEMUX, MSGL_V, "MOV: Found MPEG4 audio Elementary Stream Descriptor atom (%d)!\n", atom_len);
780 if(atom_len > 8) {
781 esds_t esds;
782 if(!mp4_parse_esds(&trak->stdata[36+adjust], atom_len-8, &esds)) {
783 /* 0xdd is a "user private" id, not an official allocated id (see http://www.mp4ra.org/object.html),
784 so perform some extra checks to be sure that this is really vorbis audio */
785 if(esds.objectTypeId==0xdd && esds.streamType==0x15 && sh->format==0x6134706D && esds.decoderConfigLen > 8)
786 {
787 //vorbis audio
788 unsigned char *buf[3];
789 unsigned short sizes[3];
790 int offset, len, k;
791 unsigned char *ptr = esds.decoderConfig;
792
793 if(ptr[0] != 0 || ptr[1] != 30) goto quit_vorbis_block; //wrong extradata layout
794
795 offset = len = 0;
796 for(k = 0; k < 3; k++)
797 {
798 sizes[k] = (ptr[offset]<<8) | ptr[offset+1];
799 len += sizes[k];
800 offset += 2;
801 if(offset + sizes[k] > esds.decoderConfigLen)
802 {
803 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);
804 goto quit_vorbis_block;
805 }
806 buf[k] = malloc(sizes[k]);
807 if(!buf[k]) goto quit_vorbis_block;
808 memcpy(buf[k], &ptr[offset], sizes[k]);
809 offset += sizes[k];
810 }
811
812 sh->codecdata_len = len + len/255 + 64;
813 sh->codecdata = malloc(sh->codecdata_len);
814 ptr = sh->codecdata;
815
816 ptr[0] = 2;
817 offset = 1;
818 offset += store_ughvlc(&ptr[offset], sizes[0]);
819 offset += store_ughvlc(&ptr[offset], sizes[1]);
820 for(k = 0; k < 3; k++)
821 {
822 memcpy(&ptr[offset], buf[k], sizes[k]);
823 offset += sizes[k];
824 }
825
826 sh->codecdata_len = offset;
827 sh->codecdata = realloc(sh->codecdata, offset);
828 mp_msg(MSGT_DEMUX,MSGL_V, "demux_mov, vorbis extradata size: %d\n", offset);
829 is_vorbis = 1;
830 quit_vorbis_block:
831 sh->format = mmioFOURCC('v', 'r', 'b', 's');
832 }
833 sh->i_bps = esds.avgBitrate/8;
834
835 // printf("######## audio format = %d ########\n",esds.objectTypeId);
836 if(esds.objectTypeId==MP4OTI_MPEG1Audio || esds.objectTypeId==MP4OTI_MPEG2AudioPart3)
837 sh->format=0x55; // .mp3
838
839 if(esds.objectTypeId==MP4OTI_13kVoice) { // 13K Voice, defined by 3GPP2
840 sh->format=mmioFOURCC('Q', 'c', 'l', 'p');
841 trak->nchannels=sh->channels=1;
842 trak->samplebytes=sh->samplesize=1;
843 }
844
845 // dump away the codec specific configuration for the AAC decoder
846 if(esds.decoderConfigLen){
847 if( (esds.decoderConfig[0]>>3) == 29 )
848 sh->format = 0x1d61346d; // request multi-channel mp3 decoder
849 if(!is_vorbis)
850 {
851 sh->codecdata_len = esds.decoderConfigLen;
852 sh->codecdata = malloc(sh->codecdata_len);
853 memcpy(sh->codecdata, esds.decoderConfig, sh->codecdata_len);
854 }
855 }
856 }
857 mp4_free_esds(&esds); // freeup esds mem
858 #if 0
859 { FILE* f=fopen("esds.dat","wb");
860 fwrite(&trak->stdata[36],atom_len-8,1,f);
861 fclose(f); }
862 #endif
863 }
864 } break;
865 case MOV_FOURCC('a','l','a','c'): {
866 mp_msg(MSGT_DEMUX, MSGL_V, "MOV: Found alac atom (%d)!\n", atom_len);
867 if(atom_len > 8) {
868 // copy all the atom (not only payload) for lavc alac decoder
869 sh->codecdata_len = atom_len;
870 sh->codecdata = malloc(sh->codecdata_len);
871 memcpy(sh->codecdata, &trak->stdata[28], sh->codecdata_len);
872 }
873 } break;
874 case MOV_FOURCC('d','a','m','r'):
875 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);
876 if (atom_len>14) {
877 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]);
878 mp_msg(MSGT_DEMUX, MSGL_V, "MOV: Modes set: %02x%02x\n",trak->stdata[41+adjust],trak->stdata[42+adjust]);
879 mp_msg(MSGT_DEMUX, MSGL_V, "MOV: Mode change period: %d Frames per sample: %d\n",trak->stdata[43+adjust],trak->stdata[44+adjust]);
880 }
881 break;
882 default:
883 mp_msg(MSGT_DEMUX, MSGL_V, "MOV: Found unknown audio atom %c%c%c%c (%d)!\n",
884 trak->stdata[32+adjust],trak->stdata[33+adjust],trak->stdata[34+adjust],trak->stdata[35+adjust],
885 atom_len);
886 }
887 }
888 mp_msg(MSGT_DEMUX, MSGL_V, "Fourcc: %.4s\n",(char *)&trak->fourcc);
889 #if 0
890 { FILE* f=fopen("stdata.dat","wb");
891 fwrite(trak->stdata,trak->stdata_len,1,f);
892 fclose(f); }
893 { FILE* f=fopen("tkdata.dat","wb");
894 fwrite(trak->tkdata,trak->tkdata_len,1,f);
895 fclose(f); }
896 #endif
897 // Emulate WAVEFORMATEX struct:
898 sh->wf=malloc(sizeof(WAVEFORMATEX) + (is_vorbis ? sh->codecdata_len : 0));
899 memset(sh->wf,0,sizeof(WAVEFORMATEX));
900 sh->wf->nChannels=sh->channels;
901 sh->wf->wBitsPerSample=(trak->stdata[18]<<8)+trak->stdata[19];
902 // sh->wf->nSamplesPerSec=trak->timescale;
903 sh->wf->nSamplesPerSec=sh->samplerate;
904 if(trak->stdata_len >= 44 && trak->stdata[9]>=1 && char2int(trak->stdata,28)>0){
905 //Audio header: samp/pack=4096 bytes/pack=743 bytes/frame=1486 bytes/samp=2
906 sh->wf->nAvgBytesPerSec=(sh->wf->nChannels*sh->wf->nSamplesPerSec*
907 char2int(trak->stdata,32)+char2int(trak->stdata,28)/2)
908 /char2int(trak->stdata,28);
909 sh->wf->nBlockAlign=char2int(trak->stdata,36);
910 } else {
911 sh->wf->nAvgBytesPerSec=sh->wf->nChannels*sh->wf->wBitsPerSample*sh->wf->nSamplesPerSec/8;
912 // workaround for ms11 ima4
913 if (sh->format == 0x1100736d && trak->stdata_len >= 36)
914 sh->wf->nBlockAlign=char2int(trak->stdata,36);
915 }
916
917 if(is_vorbis && sh->codecdata_len)
918 {
919 memcpy(sh->wf+1, sh->codecdata, sh->codecdata_len);
920 sh->wf->cbSize = sh->codecdata_len;
921 }
922 // Selection:
923 // if(demuxer->audio->id==-1 || demuxer->audio->id==priv->track_db){
924 // // (auto)selected audio track:
925 // demuxer->audio->id=priv->track_db;
926 // demuxer->audio->sh=sh; sh->ds=demuxer->audio;
927 // }
928 return 1;
929 }
930
931 static int gen_sh_video(sh_video_t* sh, mov_track_t* trak, int timescale) {
932 int depth, i, entry;
933 int flag, start, count_flag, end, palette_count, gray;
934 int hdr_ptr = 76; // the byte just after depth
935 unsigned char *palette_map;
936
937 sh->format=trak->fourcc;
938
939 // crude video delay from editlist0 hack ::atm
940 if(trak->editlist_size>=1) {
941 if(trak->editlist[0].pos == -1) {
942 sh->stream_delay = (float)trak->editlist[0].dur/(float)timescale;
943 mp_msg(MSGT_DEMUX,MSGL_V,"MOV: Initial Video-Delay: %.3f sec\n", sh->stream_delay);
944 }
945 }
946
947
948 if (trak->stdata_len < 78) {
949 mp_msg(MSGT_DEMUXER, MSGL_WARN,
950 "MOV: Invalid (%d bytes instead of >= 78) video trak desc\n",
951 trak->stdata_len);
952 return 0;
953 }
954
955 depth = trak->stdata[75] | (trak->stdata[74] << 8);
956 if (trak->fourcc == mmioFOURCC('r', 'a', 'w', ' '))
957 sh->format = IMGFMT_RGB | depth;
958
959 // stdata[]:
960 // 8 short version
961 // 10 short revision
962 // 12 int vendor_id
963 // 16 int temporal_quality
964 // 20 int spatial_quality
965 // 24 short width
966 // 26 short height
967 // 28 int h_dpi
968 // 32 int v_dpi
969 // 36 int 0
970 // 40 short frames_per_sample
971 // 42 char[4] compressor_name
972 // 74 short depth
973 // 76 short color_table_id
974 // additional atoms may follow,
975 // eg esds atom from .MP4 files
976 // 78 int atom size
977 // 82 char[4] atom type
978 // 86 ... atom data
979
980 { ImageDescription* id=malloc(8+trak->stdata_len); // safe
981 trak->desc=id;
982 id->idSize=8+trak->stdata_len;
983 // id->cType=bswap_32(trak->fourcc);
984 id->cType=le2me_32(trak->fourcc);
985 id->version=char2short(trak->stdata,8);
986 id->revisionLevel=char2short(trak->stdata,10);
987 id->vendor=char2int(trak->stdata,12);
988 id->temporalQuality=char2int(trak->stdata,16);
989 id->spatialQuality=char2int(trak->stdata,20);
990 id->width=char2short(trak->stdata,24);
991 id->height=char2short(trak->stdata,26);
992 id->hRes=char2int(trak->stdata,28);
993 id->vRes=char2int(trak->stdata,32);
994 id->dataSize=char2int(trak->stdata,36);
995 id->frameCount=char2short(trak->stdata,40);
996 memcpy(&id->name,trak->stdata+42,32);
997 id->depth=char2short(trak->stdata,74);
998 id->clutID=char2short(trak->stdata,76);
999 if(trak->stdata_len>78) memcpy(((char*)&id->clutID)+2,trak->stdata+78,trak->stdata_len-78);
1000 sh->ImageDesc=id;
1001 #if 0
1002 { FILE *f=fopen("ImageDescription","wb");
1003 fwrite(id,id->idSize,1,f);
1004 fclose(f);
1005 }
1006 #endif
1007 }
1008
1009 if(trak->stdata_len >= 86) { // extra atoms found
1010 int pos=78;
1011 int atom_len;
1012 while(pos+8<=trak->stdata_len &&
1013 (pos+(atom_len=char2int(trak->stdata,pos)))<=trak->stdata_len){
1014 switch(char2int(trak->stdata,pos+4)) { // switch atom type
1015 case MOV_FOURCC('g','a','m','a'):
1016 // intfp with gamma value at which movie was captured
1017 // can be used to gamma correct movie display
1018 mp_msg(MSGT_DEMUX, MSGL_V, "MOV: Found unsupported Gamma-Correction movie atom (%d)!\n",
1019 atom_len);
1020 break;
1021 case MOV_FOURCC('f','i','e','l'):
1022 // 2 char-values (8bit int) that specify field handling
1023 // see the Apple's QuickTime Fileformat PDF for more info
1024 mp_msg(MSGT_DEMUX, MSGL_V, "MOV: Found unsupported Field-Handling movie atom (%d)!\n",
1025 atom_len);
1026 break;
1027 case MOV_FOURCC('m','j','q','t'):
1028 // Motion-JPEG default quantization table
1029 mp_msg(MSGT_DEMUX, MSGL_V, "MOV: Found unsupported MJPEG-Quantization movie atom (%d)!\n",
1030 atom_len);
1031 break;
1032 case MOV_FOURCC('m','j','h','t'):
1033 // Motion-JPEG default huffman table
1034 mp_msg(MSGT_DEMUX, MSGL_V, "MOV: Found unsupported MJPEG-Huffman movie atom (%d)!\n",
1035 atom_len);
1036 break;
1037 case MOV_FOURCC('e','s','d','s'):
1038 // MPEG4 Elementary Stream Descriptor header
1039 mp_msg(MSGT_DEMUX, MSGL_V, "MOV: Found MPEG4 movie Elementary Stream Descriptor atom (%d)!\n", atom_len);
1040 // add code here to save esds header of length atom_len-8
1041 // beginning at stdata[86] to some variable to pass it
1042 // on to the decoder ::atmos
1043 if(atom_len > 8) {
1044 esds_t esds;
1045 if(!mp4_parse_esds(trak->stdata+pos+8, atom_len-8, &esds)) {
1046
1047 if(esds.objectTypeId==MP4OTI_MPEG2VisualSimple || esds.objectTypeId==MP4OTI_MPEG2VisualMain ||
1048 esds.objectTypeId==MP4OTI_MPEG2VisualSNR || esds.objectTypeId==MP4OTI_MPEG2VisualSpatial ||
1049 esds.objectTypeId==MP4OTI_MPEG2VisualHigh || esds.objectTypeId==MP4OTI_MPEG2Visual422)
1050 sh->format=mmioFOURCC('m', 'p', 'g', '2');
1051 else if(esds.objectTypeId==MP4OTI_MPEG1Visual)
1052 sh->format=mmioFOURCC('m', 'p', 'g', '1');
1053
1054 // dump away the codec specific configuration for the AAC decoder
1055 trak->stream_header_len = esds.decoderConfigLen;
1056 trak->stream_header = malloc(trak->stream_header_len);
1057 memcpy(trak->stream_header, esds.decoderConfig, trak->stream_header_len);
1058 }
1059 mp4_free_esds(&esds); // freeup esds mem
1060 }
1061 break;
1062 case MOV_FOURCC('a','v','c','C'):
1063 // AVC decoder configuration record
1064 mp_msg(MSGT_DEMUX, MSGL_V, "MOV: AVC decoder configuration record atom (%d)!\n", atom_len);
1065 if(atom_len > 8) {
1066 int i, poffs, cnt;
1067 // Parse some parts of avcC, just for fun :)
1068 // real parsing is done by avc1 decoder
1069 mp_msg(MSGT_DEMUX, MSGL_V, "MOV: avcC version: %d\n", *(trak->stdata+pos+8));
1070 if (*(trak->stdata+pos+8) != 1)
1071 mp_msg(MSGT_DEMUX, MSGL_ERR, "MOV: unknown avcC version (%d). Expexct problems.\n", *(trak->stdata+pos+9));
1072 mp_msg(MSGT_DEMUX, MSGL_V, "MOV: avcC profile: %d\n", *(trak->stdata+pos+9));
1073 mp_msg(MSGT_DEMUX, MSGL_V, "MOV: avcC profile compatibility: %d\n", *(trak->stdata+pos+10));
1074 mp_msg(MSGT_DEMUX, MSGL_V, "MOV: avcC level: %d\n", *(trak->stdata+pos+11));
1075 mp_msg(MSGT_DEMUX, MSGL_V, "MOV: avcC nal length size: %d\n", ((*(trak->stdata+pos+12))&0x03)+1);
1076 mp_msg(MSGT_DEMUX, MSGL_V, "MOV: avcC number of sequence param sets: %d\n", cnt = (*(trak->stdata+pos+13) & 0x1f));
1077 poffs = pos + 14;
1078 for (i = 0; i < cnt; i++) {
1079 mp_msg(MSGT_DEMUX, MSGL_V, "MOV: avcC sps %d have length %d\n", i, AV_RB16(trak->stdata+poffs));
1080 poffs += AV_RB16(trak->stdata+poffs) + 2;
1081 }
1082 mp_msg(MSGT_DEMUX, MSGL_V, "MOV: avcC number of picture param sets: %d\n", *(trak->stdata+poffs));
1083 poffs++;
1084 for (i = 0; i < cnt; i++) {
1085 mp_msg(MSGT_DEMUX, MSGL_V, "MOV: avcC pps %d have length %d\n", i, AV_RB16(trak->stdata+poffs));
1086 poffs += AV_RB16(trak->stdata+poffs) + 2;
1087 }
1088 // Copy avcC for the AVC decoder
1089 // This data will be put in extradata below, where BITMAPINFOHEADER is created
1090 trak->stream_header_len = atom_len-8;
1091 trak->stream_header = malloc(trak->stream_header_len);
1092 memcpy(trak->stream_header, trak->stdata+pos+8, trak->stream_header_len);
1093 }
1094 break;
1095 case MOV_FOURCC('d','2','6','3'):
1096 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);
1097 if (atom_len>10)
1098 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]);
1099 break;
1100 case 0:
1101 break;
1102 default:
1103 mp_msg(MSGT_DEMUX, MSGL_V, "MOV: Found unknown movie atom %c%c%c%c (%d)!\n",
1104 trak->stdata[pos+4],trak->stdata[pos+5],trak->stdata[pos+6],trak->stdata[pos+7],
1105 atom_len);
1106 }
1107 if(atom_len<8) break;
1108 pos+=atom_len;
1109 // printf("pos=%d max=%d\n",pos,trak->stdata_len);
1110 }
1111 }
1112 sh->fps=trak->timescale/
1113 ((trak->durmap_size>=1)?(float)trak->durmap[0].dur:1);
1114 sh->frametime=1.0f/sh->fps;
1115
1116 sh->disp_w=trak->stdata[25]|(trak->stdata[24]<<8);
1117 sh->disp_h=trak->stdata[27]|(trak->stdata[26]<<8);
1118 if(trak->tkdata_len>81) {
1119 // if image size is zero, fallback to display size
1120 if(!sh->disp_w && !sh->disp_h) {
1121 sh->disp_w=trak->tkdata[77]|(trak->tkdata[76]<<8);
1122 sh->disp_h=trak->tkdata[81]|(trak->tkdata[80]<<8);
1123 } else if(sh->disp_w!=(trak->tkdata[77]|(trak->tkdata[76]<<8))){
1124 // codec and display width differ... use display one for aspect
1125 sh->aspect=trak->tkdata[77]|(trak->tkdata[76]<<8);
1126 sh->aspect/=trak->tkdata[81]|(trak->tkdata[80]<<8);
1127 }
1128 }
1129
1130 if(depth>32+8) mp_msg(MSGT_DEMUX, MSGL_INFO,"*** depth = 0x%X\n",depth);
1131
1132 // palettized?
1133 gray = 0;
1134 if (depth > 32) { depth&=31; gray = 1; } // depth > 32 means grayscale
1135 if ((depth == 2) || (depth == 4) || (depth == 8))
1136 palette_count = (1 << depth);
1137 else
1138 palette_count = 0;
1139
1140 // emulate BITMAPINFOHEADER:
1141 if (palette_count)
1142 {
1143 sh->bih=malloc(sizeof(BITMAPINFOHEADER) + palette_count * 4);
1144 memset(sh->bih,0,sizeof(BITMAPINFOHEADER) + palette_count * 4);
1145 sh->bih->biSize=40 + palette_count * 4;
1146 // fetch the relevant fields
1147 flag = AV_RB16(&trak->stdata[hdr_ptr]);
1148 hdr_ptr += 2;
1149 start = AV_RB32(&trak->stdata[hdr_ptr]);
1150 hdr_ptr += 4;
1151 count_flag = AV_RB16(&trak->stdata[hdr_ptr]);
1152 hdr_ptr += 2;
1153 end = AV_RB16(&trak->stdata[hdr_ptr]);
1154 hdr_ptr += 2;
1155 palette_map = (unsigned char *)sh->bih + 40;
1156 mp_msg(MSGT_DEMUX, MSGL_V, "Allocated %d entries for palette\n",
1157 palette_count);
1158 mp_msg(MSGT_DEMUX, MSGL_DBG2, "QT palette: start: %x, end: %x, count flag: %d, flags: %x\n",
1159 start, end, count_flag, flag);
1160
1161 /* XXX: problems with sample (statunit6.mov) with flag&0x4 set! - alex*/
1162
1163 // load default palette
1164 if (flag & 0x08)
1165 {
1166 if (gray)
1167 {
1168 mp_msg(MSGT_DEMUX, MSGL_V, "Using default QT grayscale palette\n");
1169 if (palette_count == 16)
1170 memcpy(palette_map, qt_default_grayscale_palette_16, 16 * 4);
1171 else if (palette_count == 256) {
1172 memcpy(palette_map, qt_default_grayscale_palette_256, 256 * 4);
1173 if (trak->fourcc == mmioFOURCC('c','v','i','d')) {
1174 int i;
1175 // Hack for grayscale CVID, negative palette
1176 // If you have samples where this is not required contact me (rxt)
1177 mp_msg(MSGT_DEMUX, MSGL_V, "MOV: greyscale cvid with default palette,"
1178 " enabling negative palette hack.\n");
1179 for (i = 0; i < 256 * 4; i++)
1180 palette_map[i] = palette_map[i] ^ 0xff;
1181 }
1182 }
1183 }
1184 else
1185 {
1186 mp_msg(MSGT_DEMUX, MSGL_V, "Using default QT colour palette\n");
1187 if (palette_count == 4)
1188 memcpy(palette_map, qt_default_palette_4, 4 * 4);
1189 else if (palette_count == 16)
1190 memcpy(palette_map, qt_default_palette_16, 16 * 4);
1191 else if (palette_count == 256)
1192 memcpy(palette_map, qt_default_palette_256, 256 * 4);
1193 }
1194 }
1195 // load palette from file
1196 else
1197 {
1198 mp_msg(MSGT_DEMUX, MSGL_V, "Loading palette from file\n");
1199 for (i = start; i <= end; i++)
1200 {
1201 entry = AV_RB16(&trak->stdata[hdr_ptr]);
1202 hdr_ptr += 2;
1203 // apparently, if count_flag is set, entry is same as i
1204 if (count_flag & 0x8000)
1205 entry = i;
1206 // only care about top 8 bits of 16-bit R, G, or B value
1207 if (entry <= palette_count && entry >= 0)
1208 {
1209 palette_map[entry * 4 + 2] = trak->stdata[hdr_ptr + 0];
1210 palette_map[entry * 4 + 1] = trak->stdata[hdr_ptr + 2];
1211 palette_map[entry * 4 + 0] = trak->stdata[hdr_ptr + 4];
1212 mp_dbg(MSGT_DEMUX, MSGL_DBG2, "QT palette: added entry: %d of %d (colors: R:%x G:%x B:%x)\n",
1213 entry, palette_count,
1214 palette_map[entry * 4 + 2],
1215 palette_map[entry * 4 + 1],
1216 palette_map[entry * 4 + 0]);
1217 }
1218 else
1219 mp_msg(MSGT_DEMUX, MSGL_V, "QT palette: skipped entry (out of count): %d of %d\n",
1220 entry, palette_count);
1221 hdr_ptr += 6;
1222 }
1223 }
1224 }
1225 else
1226 {
1227 if (trak->fourcc == mmioFOURCC('a','v','c','1')) {
1228 if (trak->stream_header_len > 0xffffffff - sizeof(BITMAPINFOHEADER)) {
1229 mp_msg(MSGT_DEMUXER, MSGL_ERR, "Invalid extradata size %d, skipping\n",trak->stream_header_len);
1230 trak->stream_header_len = 0;
1231 }
1232 sh->bih=malloc(sizeof(BITMAPINFOHEADER) + trak->stream_header_len);
1233 memset(sh->bih,0,sizeof(BITMAPINFOHEADER) + trak->stream_header_len);
1234 sh->bih->biSize=40 + trak->stream_header_len;
1235 memcpy(((unsigned char *)sh->bih)+40, trak->stream_header, trak->stream_header_len);
1236 free (trak->stream_header);
1237 trak->stream_header_len = 0;
1238 trak->stream_header = NULL;
1239 } else {
1240 sh->bih=malloc(sizeof(BITMAPINFOHEADER));
1241 memset(sh->bih,0,sizeof(BITMAPINFOHEADER));
1242 sh->bih->biSize=40;
1243 }
1244 }
1245 sh->bih->biWidth=sh->disp_w;
1246 sh->bih->biHeight=sh->disp_h;
1247 sh->bih->biPlanes=0;
1248 sh->bih->biBitCount=depth;
1249 sh->bih->biCompression=trak->fourcc;
1250 sh->bih->biSizeImage=sh->bih->biWidth*sh->bih->biHeight;
1251
1252 mp_msg(MSGT_DEMUX, MSGL_V, "Image size: %d x %d (%d bpp)\n",sh->disp_w,sh->disp_h,sh->bih->biBitCount);
1253 if(trak->tkdata_len>81)
1254 mp_msg(MSGT_DEMUX, MSGL_V, "Display size: %d x %d\n",
1255 trak->tkdata[77]|(trak->tkdata[76]<<8),
1256 trak->tkdata[81]|(trak->tkdata[80]<<8));
1257 mp_msg(MSGT_DEMUX, MSGL_V, "Fourcc: %.4s Codec: '%.*s'\n",(char *)&trak->fourcc,trak->stdata[42]&31,trak->stdata+43);
1258
1259 // if(demuxer->video->id==-1 || demuxer->video->id==priv->track_db){
1260 // // (auto)selected video track:
1261 // demuxer->video->id=priv->track_db;
1262 // demuxer->video->sh=sh; sh->ds=demuxer->video;
1263 // }
1264 return 1;
1265 }
1266
1267 static void lschunks(demuxer_t* demuxer,int level,off_t endpos,mov_track_t* trak){
1268 mov_priv_t* priv=demuxer->priv;
1269 // printf("lschunks (level=%d,endpos=%x)\n", level, endpos);
1270 while(1){
1271 off_t pos;
1272 off_t len;
1273 unsigned int id;
1274 //
1275 pos=stream_tell(demuxer->stream);
1276 // printf("stream_tell==%d\n",pos);
1277 if(pos>=endpos) return; // END
1278 len=stream_read_dword(demuxer->stream);
1279 // printf("len==%d\n",len);
1280 if(len<8) return; // error
1281 len-=8;
1282 id=stream_read_dword(demuxer->stream);
1283 //
1284 mp_msg(MSGT_DEMUX,MSGL_DBG2,"lschunks %.4s %d\n",(char *)&id,(int)len);
1285 //
1286 if(trak){
1287 if (lschunks_intrak(demuxer, level, id, pos, len, trak) < 0)
1288 return;
1289 } else { /* not in track */
1290 switch(id) {
1291 case MOV_FOURCC('m','v','h','d'): {
1292 int version = stream_read_char(demuxer->stream);
1293 stream_skip(demuxer->stream, (version == 1) ? 19 : 11);
1294 priv->timescale=stream_read_dword(demuxer->stream);
1295 if (version == 1)
1296 priv->duration=stream_read_qword(demuxer->stream);
1297 else
1298 priv->duration=stream_read_dword(demuxer->stream);
1299 mp_msg(MSGT_DEMUX, MSGL_V,"MOV: %*sMovie header (%d bytes): tscale=%d dur=%d\n",level,"",(int)len,
1300 (int)priv->timescale,(int)priv->duration);
1301 break;
1302 }
1303 case MOV_FOURCC('t','r','a','k'): {
1304 // if(trak) printf("MOV: Warning! trak in trak?\n");
1305 if(priv->track_db>=MOV_MAX_TRACKS){
1306 mp_msg(MSGT_DEMUX,MSGL_WARN,MSGTR_MOVtooManyTrk);
1307 return;
1308 }
1309 if(!priv->track_db) mp_msg(MSGT_DEMUX, MSGL_V, "--------------\n");
1310 trak=malloc(sizeof(mov_track_t));
1311 memset(trak,0,sizeof(mov_track_t));
1312 mp_msg(MSGT_DEMUX,MSGL_V,"MOV: Track #%d:\n",priv->track_db);
1313 trak->id=priv->track_db;
1314 priv->tracks[priv->track_db]=trak;
1315 lschunks(demuxer,level+1,pos+len,trak);
1316 mov_build_index(trak,priv->timescale);
1317 switch(trak->type){
1318 case MOV_TRAK_AUDIO: {
1319 sh_audio_t* sh=new_sh_audio(demuxer,priv->track_db);
1320 mp_msg(MSGT_DEMUX, MSGL_INFO, MSGTR_AudioID, "mov", priv->track_db);
1321 gen_sh_audio(sh, trak, priv->timescale);
1322 break;
1323 }
1324 case MOV_TRAK_VIDEO: {
1325 sh_video_t* sh=new_sh_video(demuxer,priv->track_db);
1326 mp_msg(MSGT_DEMUX, MSGL_INFO, MSGTR_VideoID, "mov", priv->track_db);
1327 gen_sh_video(sh, trak, priv->timescale);
1328 break;
1329 }
1330 case MOV_TRAK_GENERIC:
1331 if (trak->fourcc == mmioFOURCC('m','p','4','s') ||
1332 trak->fourcc == mmioFOURCC('t','x','3','g') ||
1333 trak->fourcc == mmioFOURCC('t','e','x','t')) {
1334 sh_sub_t *sh = new_sh_sub(demuxer, priv->track_db);
1335 mp_msg(MSGT_DEMUX, MSGL_INFO, MSGTR_SubtitleID, "mov", priv->track_db);
1336 if (trak->fourcc == mmioFOURCC('m','p','4','s'))
1337 init_vobsub(sh, trak);
1338 else {
1339 sh->type = 'm';
1340 sub_utf8 = 1;
1341 }
1342 } else
1343 mp_msg(MSGT_DEMUX, MSGL_V, "Generic track - not completely understood! (id: %d)\n",
1344 trak->id);
1345 /* XXX: Also this contains the FLASH data */
1346
1347 #if 0
1348 {
1349 int pos = stream_tell(demuxer->stream);
1350 int i;
1351 int fd;
1352 char name[20];
1353
1354 for (i=0; i<trak->samples_size; i++)
1355 {
1356 char buf[trak->samples[i].size];
1357 stream_seek(demuxer->stream, trak->samples[i].pos);
1358 snprintf((char *)&name[0], 20, "samp%d", i);
1359 fd = open((char *)&name[0], O_CREAT|O_WRONLY);
1360 stream_read(demuxer->stream, &buf[0], trak->samples[i].size);
1361 write(fd, &buf[0], trak->samples[i].size);
1362 close(fd);
1363 }
1364 for (i=0; i<trak->chunks_size; i++)
1365 {
1366 char buf[trak->length];
1367 stream_seek(demuxer->stream, trak->chunks[i].pos);
1368 snprintf((char *)&name[0], 20, "chunk%d", i);
1369 fd = open((char *)&name[0], O_CREAT|O_WRONLY);
1370 stream_read(demuxer->stream, &buf[0], trak->length);
1371 write(fd, &buf[0], trak->length);
1372 close(fd);
1373 }
1374 if (trak->samplesize > 0)
1375 {
1376 char *buf;
1377
1378 buf = malloc(trak->samplesize);
1379 stream_seek(demuxer->stream, trak->chunks[0].pos);
1380 snprintf((char *)&name[0], 20, "trak%d", trak->id);
1381 fd = open((char *)&name[0], O_CREAT|O_WRONLY);
1382 stream_read(demuxer->stream, buf, trak->samplesize);
1383 write(fd, buf, trak->samplesize);
1384 close(fd);
1385 }
1386 stream_seek(demuxer->stream, pos);
1387 }
1388 #endif
1389 break;
1390 default:
1391 mp_msg(MSGT_DEMUX, MSGL_V, "Unknown track type found (type: %d)\n", trak->type);
1392 break;
1393 }
1394 mp_msg(MSGT_DEMUX, MSGL_V, "--------------\n");
1395 priv->track_db++;
1396 trak=NULL;
1397 break;
1398 }
1399 #if !CONFIG_ZLIB
1400 case MOV_FOURCC('c','m','o','v'): {
1401 mp_msg(MSGT_DEMUX,MSGL_ERR,MSGTR_MOVcomprhdr);
1402 return;
1403 }
1404 #else
1405 case MOV_FOURCC('m','o','o','v'):
1406 case MOV_FOURCC('c','m','o','v'): {
1407 // mp_msg(MSGT_DEMUX,MSGL_ERR,MSGTR_MOVcomprhdr);
1408 lschunks(demuxer,level+1,pos+len,NULL);
1409 break;
1410 }
1411 case MOV_FOURCC('d','c','o','m'): {
1412 // int temp=stream_read_dword(demuxer->stream);
1413 unsigned int algo=be2me_32(stream_read_dword(demuxer->stream));
1414 mp_msg(MSGT_DEMUX, MSGL_V, "Compressed header uses %.4s algo!\n",(char *)&algo);
1415 break;
1416 }
1417 case MOV_FOURCC('c','m','v','d'): {
1418 // int temp=stream_read_dword(demuxer->stream);
1419 unsigned int moov_sz=stream_read_dword(demuxer->stream);
1420 unsigned int cmov_sz=len-4;
1421 unsigned char* cmov_buf;
1422 unsigned char* moov_buf;
1423 int zret;
1424 z_stream zstrm;
1425 stream_t* backup;
1426
1427 if (moov_sz > SIZE_MAX - 16) {
1428 mp_msg(MSGT_DEMUX, MSGL_ERR, "Invalid cmvd atom size %d\n", moov_sz);
1429 break;
1430 }
1431 cmov_buf=malloc(cmov_sz);
1432 moov_buf=malloc(moov_sz+16);
1433 mp_msg(MSGT_DEMUX, MSGL_V, "Compressed header size: %d / %d\n",cmov_sz,moov_sz);
1434
1435 stream_read(demuxer->stream,cmov_buf,cmov_sz);
1436
1437 zstrm.zalloc = (alloc_func)0;
1438 zstrm.zfree = (free_func)0;
1439 zstrm.opaque = (voidpf)0;
1440 zstrm.next_in = cmov_buf;
1441 zstrm.avail_in = cmov_sz;
1442 zstrm.next_out = moov_buf;
1443 zstrm.avail_out = moov_sz;
1444
1445 zret = inflateInit(&zstrm);
1446 if (zret != Z_OK)
1447 { mp_msg(MSGT_DEMUX, MSGL_ERR, "QT cmov: inflateInit err %d\n",zret);
1448 return;
1449 }
1450 zret = inflate(&zstrm, Z_NO_FLUSH);
1451 if ((zret != Z_OK) && (zret != Z_STREAM_END))
1452 { mp_msg(MSGT_DEMUX, MSGL_ERR, "QT cmov inflate: ERR %d\n",zret);
1453 return;
1454 }
1455 #if 0
1456 else {
1457 FILE *DecOut;
1458 DecOut = fopen("Out.bin", "w");
1459 fwrite(moov_buf, 1, moov_sz, DecOut);
1460 fclose(DecOut);
1461 }
1462 #endif
1463 if(moov_sz != zstrm.total_out)
1464 mp_msg(MSGT_DEMUX, MSGL_WARN, "Warning! moov size differs cmov: %d zlib: %ld\n",moov_sz,zstrm.total_out);
1465 zret = inflateEnd(&zstrm);
1466
1467 backup=demuxer->stream;
1468 demuxer->stream=new_memory_stream(moov_buf,moov_sz);
1469 stream_skip(demuxer->stream,8);
1470 lschunks(demuxer,level+1,moov_sz,NULL); // parse uncompr. 'moov'
1471 //free_stream(demuxer->stream);
1472 demuxer->stream=backup;
1473 free(cmov_buf);
1474 free(moov_buf);
1475 break;
1476 }
1477 #endif
1478 case MOV_FOURCC('u','d','t','a'):
1479 {
1480 unsigned int udta_id;
1481 off_t udta_len;
1482 off_t udta_size = len;
1483
1484 mp_msg(MSGT_DEMUX, MSGL_DBG2, "mov: user data record found\n");
1485 mp_msg(MSGT_DEMUX, MSGL_V, "Quicktime Clip Info:\n");
1486
1487 while((len > 8) && (udta_size > 8))
1488 {
1489 udta_len = stream_read_dword(demuxer->stream);
1490 udta_id = stream_read_dword(demuxer->stream);
1491 udta_size -= 8;
1492 mp_msg(MSGT_DEMUX, MSGL_DBG2, "udta_id: %.4s (len: %"PRId64")\n", (char *)&udta_id, (int64_t)udta_len);
1493 switch (udta_id)
1494 {
1495 case MOV_FOURCC(0xa9,'c','p','y'):
1496 case MOV_FOURCC(0xa9,'d','a','y'):
1497 case MOV_FOURCC(0xa9,'d','i','r'):
1498 /* 0xa9,'e','d','1' - '9' : edit timestamps */
1499 case MOV_FOURCC(0xa9,'f','m','t'):
1500 case MOV_FOURCC(0xa9,'i','n','f'):
1501 case MOV_FOURCC(0xa9,'p','r','d'):
1502 case MOV_FOURCC(0xa9,'p','r','f'):
1503 case MOV_FOURCC(0xa9,'r','e','q'):
1504 case MOV_FOURCC(0xa9,'s','r','c'):
1505 case MOV_FOURCC('n','a','m','e'):
1506 case MOV_FOURCC(0xa9,'n','a','m'):
1507 case MOV_FOURCC(0xa9,'A','R','T'):
1508 case MOV_FOURCC(0xa9,'c','m','t'):
1509 case MOV_FOURCC(0xa9,'a','u','t'):
1510 case MOV_FOURCC(0xa9,'s','w','r'):
1511 {
1512 off_t text_len = stream_read_word(demuxer->stream);
1513 char text[text_len+2+1];
1514 stream_read(demuxer->stream, (char *)&text, text_len+2);
1515 text[text_len+2] = 0x0;
1516 switch(udta_id)
1517 {
1518 case MOV_FOURCC(0xa9,'a','u','t'):
1519 demux_info_add(demuxer, "author", &text[2]);
1520 mp_msg(MSGT_DEMUX, MSGL_V, " Author: %s\n", &text[2]);
1521 break;
1522 case MOV_FOURCC(0xa9,'c','p','y'):
1523 demux_info_add(demuxer, "copyright", &text[2]);
1524 mp_msg(MSGT_DEMUX, MSGL_V, " Copyright: %s\n", &text[2]);
1525 break;
1526 case MOV_FOURCC(0xa9,'i','n','f'):
1527 mp_msg(MSGT_DEMUX, MSGL_V, " Info: %s\n", &text[2]);
1528 break;
1529 case MOV_FOURCC('n','a','m','e'):
1530 case MOV_FOURCC(0xa9,'n','a','m'):
1531 demux_info_add(demuxer, "name", &text[2]);
1532 mp_msg(MSGT_DEMUX, MSGL_V, " Name: %s\n", &text[2]);
1533 break;
1534 case MOV_FOURCC(0xa9,'A','R','T'):
1535 mp_msg(MSGT_DEMUX, MSGL_V, " Artist: %s\n", &text[2]);
1536 break;
1537 case MOV_FOURCC(0xa9,'d','i','r'):
1538 mp_msg(MSGT_DEMUX, MSGL_V, " Director: %s\n", &text[2]);
1539 break;
1540 case MOV_FOURCC(0xa9,'c','m','t'):
1541 demux_info_add(demuxer, "comments", &text[2]);
1542 mp_msg(MSGT_DEMUX, MSGL_V, " Comment: %s\n", &text[2]);
1543 break;
1544 case MOV_FOURCC(0xa9,'r','e','q'):
1545 mp_msg(MSGT_DEMUX, MSGL_V, " Requirements: %s\n", &text[2]);
1546 break;
1547 case MOV_FOURCC(0xa9,'s','w','r'):
1548 demux_info_add(demuxer, "encoder", &text[2]);
1549 mp_msg(MSGT_DEMUX, MSGL_V, " Software: %s\n", &text[2]);
1550 break;
1551 case MOV_FOURCC(0xa9,'d','a','y'):
1552 mp_msg(MSGT_DEMUX, MSGL_V, " Creation timestamp: %s\n", &text[2]);
1553 break;
1554 case MOV_FOURCC(0xa9,'f','m','t'):
1555 mp_msg(MSGT_DEMUX, MSGL_V, " Format: %s\n", &text[2]);
1556 break;
1557 case MOV_FOURCC(0xa9,'p','r','d'):
1558 mp_msg(MSGT_DEMUX, MSGL_V, " Producer: %s\n", &text[2]);
1559 break;
1560 case MOV_FOURCC(0xa9,'p','r','f'):
1561 mp_msg(MSGT_DEMUX, MSGL_V, " Performer(s): %s\n", &text[2]);
1562 break;
1563 case MOV_FOURCC(0xa9,'s','r','c'):
1564 mp_msg(MSGT_DEMUX, MSGL_V, " Source providers: %s\n", &text[2]);
1565 break;
1566 }
1567 udta_size -= 4+text_len;
1568 break;
1569 }
1570 /* some other shits: WLOC - window location,
1571 LOOP - looping style,
1572 SelO - play only selected frames
1573 AllF - play all frames
1574 */
1575 case MOV_FOURCC('W','L','O','C'):
1576 case MOV_FOURCC('L','O','O','P'):
1577 case MOV_FOURCC('S','e','l','O'):
1578 case MOV_FOURCC('A','l','l','F'):
1579 default:
1580 {
1581 if( udta_len>udta_size)
1582 udta_len=udta_size;
1583 {
1584 stream_skip(demuxer->stream, udta_len-4-4);
1585 udta_size -= udta_len;
1586 }
1587 }
1588 }
1589 }
1590 break;
1591 } /* eof udta */
1592 default:
1593 id = be2me_32(id);
1594 mp_msg(MSGT_DEMUX,MSGL_V,"MOV: unknown chunk: %.4s %d\n",(char *)&id,(int)len);
1595 } /* endof switch */
1596 } /* endof else */
1597
1598 pos+=len+8;
1599 if(pos>=endpos) break;
1600 if(!stream_seek(demuxer->stream,pos)) break;
1601 }
1602 }
1603
1604 static int lschunks_intrak(demuxer_t* demuxer, int level, unsigned int id,
1605 off_t pos, off_t len, mov_track_t* trak)
1606 {
1607 switch(id) {
1608 case MOV_FOURCC('m','d','a','t'): {
1609 mp_msg(MSGT_DEMUX,MSGL_WARN,"Hmm, strange MOV, parsing mdat in lschunks?\n");
1610 return -1;
1611 }
1612 case MOV_FOURCC('f','r','e','e'):
1613 case MOV_FOURCC('u','d','t','a'):
1614 /* here not supported :p */
1615 break;
1616 case MOV_FOURCC('t','k','h','d'): {
1617 mp_msg(MSGT_DEMUX,MSGL_V,"MOV: %*sTrack header!\n", level, "");
1618 // read codec data
1619 trak->tkdata_len = len;
1620 trak->tkdata = malloc(trak->tkdata_len);
1621 stream_read(demuxer->stream, trak->tkdata, trak->tkdata_len);
1622 /*
1623 0 1 Version
1624 1 3 Flags
1625 4 4 Creation time
1626 8 4 Modification time
1627 12 4 Track ID
1628 16 4 Reserved
1629 20 4 Duration
1630 24 8 Reserved
1631 32 2 Layer
1632 34 2 Alternate group
1633 36 2 Volume
1634 38 2 Reserved
1635 40 36 Matrix structure
1636 76 4 Track width
1637 80 4 Track height
1638 */
1639 mp_msg(MSGT_DEMUX, MSGL_V,
1640 "tkhd len=%d ver=%d flags=0x%X id=%d dur=%d lay=%d vol=%d\n",
1641 trak->tkdata_len, trak->tkdata[0], trak->tkdata[1],
1642 char2int(trak->tkdata, 12), // id
1643 char2int(trak->tkdata, 20), // duration
1644 char2short(trak->tkdata, 32), // layer
1645 char2short(trak->tkdata, 36)); // volume
1646 break;
1647 }
1648 case MOV_FOURCC('m','d','h','d'): {
1649 int version = stream_read_char(demuxer->stream);
1650 mp_msg(MSGT_DEMUX, MSGL_V, "MOV: %*sMedia header!\n", level, "");
1651 stream_skip(demuxer->stream, (version == 1) ? 19 : 11);
1652 // read timescale
1653 trak->timescale = stream_read_dword(demuxer->stream);
1654 // read length
1655 if (version == 1)
1656 trak->length = stream_read_qword(demuxer->stream);
1657 else
1658 trak->length = stream_read_dword(demuxer->stream);
1659 break;
1660 }
1661 case MOV_FOURCC('h','d','l','r'): {
1662 av_unused unsigned int tmp = stream_read_dword(demuxer->stream);
1663 unsigned int type = stream_read_dword_le(demuxer->stream);
1664 unsigned int subtype = stream_read_dword_le(demuxer->stream);
1665 unsigned int manufact = stream_read_dword_le(demuxer->stream);
1666 av_unused unsigned int comp_flags = stream_read_dword(demuxer->stream);
1667 av_unused unsigned int comp_mask = stream_read_dword(demuxer->stream);
1668 int len = stream_read_char(demuxer->stream);
1669 char* str = malloc(len + 1);
1670 stream_read(demuxer->stream, str, len);
1671 str[len] = 0;
1672 mp_msg(MSGT_DEMUX, MSGL_V,
1673 "MOV: %*sHandler header: %.4s/%.4s (%.4s) %s\n", level, "",
1674 (char *)&type, (char *)&subtype, (char *)&manufact, str);
1675 free(str);
1676 switch(bswap_32(type)) {
1677 case MOV_FOURCC('m','h','l','r'):
1678 trak->media_handler = bswap_32(subtype);
1679 break;
1680 case MOV_FOURCC('d','h','l','r'):
1681 trak->data_handler = bswap_32(subtype);
1682 break;
1683 default:
1684 mp_msg(MSGT_DEMUX, MSGL_V,
1685 "MOV: unknown handler class: 0x%X (%.4s)\n",
1686 bswap_32(type), (char *)&type);
1687 }
1688 break;
1689 }
1690 case MOV_FOURCC('v','m','h','d'): {
1691 mp_msg(MSGT_DEMUX, MSGL_V, "MOV: %*sVideo header!\n", level, "");
1692 trak->type = MOV_TRAK_VIDEO;
1693 // read video data
1694 break;
1695 }
1696 case MOV_FOURCC('s','m','h','d'): {
1697 mp_msg(MSGT_DEMUX, MSGL_V, "MOV: %*sSound header!\n", level, "");
1698 trak->type = MOV_TRAK_AUDIO;
1699 // read audio data
1700 break;
1701 }
1702 case MOV_FOURCC('g','m','h','d'): {
1703 mp_msg(MSGT_DEMUX, MSGL_V, "MOV: %*sGeneric header!\n", level, "");
1704 trak->type = MOV_TRAK_GENERIC;
1705 break;
1706 }
1707 case MOV_FOURCC('n','m','h','d'): {
1708 mp_msg(MSGT_DEMUX, MSGL_V, "MOV: %*sGeneric header!\n", level, "");
1709 trak->type = MOV_TRAK_GENERIC;
1710 break;
1711 }
1712 case MOV_FOURCC('s','t','s','d'): {
1713 int i = stream_read_dword(demuxer->stream); // temp!
1714 int count = stream_read_dword(demuxer->stream);
1715 mp_msg(MSGT_DEMUX, MSGL_V, "MOV: %*sDescription list! (cnt:%d)\n",
1716 level, "", count);
1717 for (i = 0; i < count; i++) {
1718 off_t pos = stream_tell(demuxer->stream);
1719 off_t len = stream_read_dword(demuxer->stream);
1720 unsigned int fourcc = stream_read_dword_le(demuxer->stream);
1721 /* some files created with Broadcast 2000 (e.g. ilacetest.mov)
1722 contain raw I420 video but have a yv12 fourcc */
1723 if (fourcc == mmioFOURCC('y','v','1','2'))
1724 fourcc = mmioFOURCC('I','4','2','0');
1725 if (len < 8)
1726 break; // error
1727 mp_msg(MSGT_DEMUX, MSGL_V,
1728 "MOV: %*s desc #%d: %.4s (%"PRId64" bytes)\n", level, "",
1729 i, (char *)&fourcc, (int64_t)len - 16);
1730 if (fourcc != trak->fourcc && i)
1731 mp_msg(MSGT_DEMUX, MSGL_WARN, MSGTR_MOVvariableFourCC);
1732 // if(!i)
1733 {
1734 trak->fourcc = fourcc;
1735 // read type specific (audio/video/time/text etc) header
1736 // NOTE: trak type is not yet known at this point :(((
1737 trak->stdata_len = len - 8;
1738 trak->stdata = malloc(trak->stdata_len);
1739 stream_read(demuxer->stream, trak->stdata, trak->stdata_len);
1740 }
1741 if (!stream_seek(demuxer->stream, pos + len))
1742 break;
1743 }
1744 break;
1745 }
1746 case MOV_FOURCC('s','t','t','s'): {
1747 av_unused int temp = stream_read_dword(demuxer->stream);
1748 int len = stream_read_dword(demuxer->stream);
1749 int i;
1750 unsigned int pts = 0;
1751 mp_msg(MSGT_DEMUX, MSGL_V,
1752 "MOV: %*sSample duration table! (%d blocks)\n", level, "",
1753 len);
1754 trak->durmap = calloc(len, sizeof(mov_durmap_t));
1755 trak->durmap_size = trak->durmap ? len : 0;
1756 for (i = 0; i < trak->durmap_size; i++) {
1757 trak->durmap[i].num = stream_read_dword(demuxer->stream);
1758 trak->durmap[i].dur = stream_read_dword(demuxer->stream);
1759 pts += trak->durmap[i].num * trak->durmap[i].dur;
1760 }
1761 if (trak->length != pts)
1762 mp_msg(MSGT_DEMUX, MSGL_WARN, "Warning! pts=%d length=%d\n",
1763 pts, trak->length);
1764 break;
1765 }
1766 case MOV_FOURCC('s','t','s','c'): {
1767 int temp = stream_read_dword(demuxer->stream);
1768 int len = stream_read_dword(demuxer->stream);
1769 int ver = (temp << 24);
1770 int flags = (temp << 16) | (temp << 8) | temp;
1771 int i;
1772 mp_msg(MSGT_DEMUX, MSGL_V,
1773 "MOV: %*sSample->Chunk mapping table! (%d blocks) (ver:%d,flags:%d)\n", level, "",
1774 len, ver, flags);
1775 // read data:
1776 trak->chunkmap = calloc(len, sizeof(mov_chunkmap_t));
1777 trak->chunkmap_size = trak->chunkmap ? len : 0;
1778 for (i = 0; i < trak->chunkmap_size; i++) {
1779 trak->chunkmap[i].first = stream_read_dword(demuxer->stream) - 1;
1780 trak->chunkmap[i].spc = stream_read_dword(demuxer->stream);
1781 trak->chunkmap[i].sdid = stream_read_dword(demuxer->stream);
1782 }
1783 break;
1784 }
1785 case MOV_FOURCC('s','t','s','z'): {
1786 int temp = stream_read_dword(demuxer->stream);
1787 int ss=stream_read_dword(demuxer->stream);
1788 int ver = (temp << 24);
1789 int flags = (temp << 16) | (temp << 8) | temp;
1790 int entries = stream_read_dword(demuxer->stream);
1791 int i;
1792 mp_msg(MSGT_DEMUX, MSGL_V,
1793 "MOV: %*sSample size table! (entries=%d ss=%d) (ver:%d,flags:%d)\n", level, "",
1794 entries, ss, ver, flags);
1795 trak->samplesize = ss;
1796 if (!ss) {
1797 // variable samplesize
1798 trak->samples = realloc_struct(trak->samples, entries, sizeof(mov_sample_t));
1799 trak->samples_size = entries;
1800 for (i = 0; i < trak->samples_size; i++)
1801 trak->samples[i].size = stream_read_dword(demuxer->stream);
1802 }
1803 break;
1804 }
1805 case MOV_FOURCC('s','t','c','o'): {
1806 av_unused int temp = stream_read_dword(demuxer->stream);
1807 int len = stream_read_dword(demuxer->stream);
1808 int i;
1809 mp_msg(MSGT_DEMUX, MSGL_V,
1810 "MOV: %*sChunk offset table! (%d chunks)\n", level, "",
1811 len);
1812 // extend array if needed:
1813 if (len > trak->chunks_size) {
1814 trak->chunks = realloc_struct(trak->chunks, len, sizeof(mov_chunk_t));
1815 trak->chunks_size = trak->chunks ? len : 0;
1816 }
1817 // read elements:
1818 for(i = 0; i < trak->chunks_size; i++)
1819 trak->chunks[i].pos = stream_read_dword(demuxer->stream);
1820 break;
1821 }
1822 case MOV_FOURCC('c','o','6','4'): {
1823 av_unused int temp = stream_read_dword(demuxer->stream);
1824 int len = stream_read_dword(demuxer->stream);
1825 int i;
1826 mp_msg(MSGT_DEMUX, MSGL_V,
1827 "MOV: %*s64bit chunk offset table! (%d chunks)\n", level, "",
1828 len);
1829 // extend array if needed:
1830 if (len > trak->chunks_size) {
1831 trak->chunks = realloc_struct(trak->chunks, len, sizeof(mov_chunk_t));
1832 trak->chunks_size = trak->chunks ? len : 0;
1833 }
1834 // read elements:
1835 for (i = 0; i < trak->chunks_size; i++) {
1836 #ifndef _LARGEFILE_SOURCE
1837 if (stream_read_dword(demuxer->stream) != 0)
1838 mp_msg(MSGT_DEMUX, MSGL_WARN, "Chunk %d has got 64bit address, but you've MPlayer compiled without LARGEFILE support!\n", i);
1839 trak->chunks[i].pos = stream_read_dword(demuxer->stream);
1840 #else
1841 trak->chunks[i].pos = stream_read_qword(demuxer->stream);
1842 #endif
1843 }
1844 break;
1845 }
1846 case MOV_FOURCC('s','t','s','s'): {
1847 int temp = stream_read_dword(demuxer->stream);
1848 int entries = stream_read_dword(demuxer->stream);
1849 int ver = (temp << 24);
1850 int flags = (temp << 16) | (temp<<8) | temp;
1851 int i;
1852 mp_msg(MSGT_DEMUX, MSGL_V,
1853 "MOV: %*sSyncing samples (keyframes) table! (%d entries) (ver:%d,flags:%d)\n", level, "",
1854 entries, ver, flags);
1855 trak->keyframes = calloc(entries, sizeof(unsigned int));
1856 trak->keyframes_size = trak->keyframes ? entries : 0;
1857 for (i = 0; i < trak->keyframes_size; i++)
1858 trak->keyframes[i] = stream_read_dword(demuxer->stream) - 1;
1859 break;
1860 }
1861 case MOV_FOURCC('m','d','i','a'): {
1862 mp_msg(MSGT_DEMUX, MSGL_V, "MOV: %*sMedia stream!\n", level, "");
1863 lschunks(demuxer, level + 1, pos + len, trak);
1864 break;
1865 }
1866 case MOV_FOURCC('m','i','n','f'): {
1867 mp_msg(MSGT_DEMUX, MSGL_V, "MOV: %*sMedia info!\n", level, "");
1868 lschunks(demuxer, level + 1 ,pos + len, trak);
1869 break;
1870 }
1871 case MOV_FOURCC('s','t','b','l'): {
1872 mp_msg(MSGT_DEMUX, MSGL_V, "MOV: %*sSample info!\n", level, "");
1873 lschunks(demuxer, level + 1, pos + len, trak);
1874 break;
1875 }
1876 case MOV_FOURCC('e','d','t','s'): {
1877 mp_msg(MSGT_DEMUX, MSGL_V, "MOV: %*sEdit atom!\n", level, "");
1878 lschunks(demuxer, level + 1, pos + len, trak);
1879 break;
1880 }
1881 case MOV_FOURCC('e','l','s','t'): {
1882 int temp = stream_read_dword(demuxer->stream);
1883 int entries = stream_read_dword(demuxer->stream);
1884 int ver = (temp << 24);
1885 int flags = (temp << 16) | (temp << 8) | temp;
1886 int i;
1887 mp_msg(MSGT_DEMUX, MSGL_V,
1888 "MOV: %*sEdit list table (%d entries) (ver:%d,flags:%d)\n", level, "",
1889 entries, ver, flags);
1890 #if 1
1891 trak->editlist = calloc(entries, sizeof(mov_editlist_t));
1892 trak->editlist_size = trak->editlist ? entries : 0;
1893 for (i = 0; i < trak->editlist_size; i++) {
1894 int dur = stream_read_dword(demuxer->stream);
1895 int mt = stream_read_dword(demuxer->stream);
1896 int mr = stream_read_dword(demuxer->stream); // 16.16fp
1897 trak->editlist[i].dur = dur;
1898 trak->editlist[i].pos = mt;
1899 trak->editlist[i].speed = mr;
1900 mp_msg(MSGT_DEMUX, MSGL_V,
1901 "MOV: %*s entry#%d: duration: %d start time: %d speed: %3.1fx\n", level, "",
1902 i, dur, mt, (float)mr/65536.0f);
1903 }
1904 #endif
1905 break;
1906 }
1907 case MOV_FOURCC('c','o','d','e'): {
1908 /* XXX: Implement atom 'code' for FLASH support */
1909 break;
1910 }
1911 default:
1912 id = be2me_32(id);
1913 mp_msg(MSGT_DEMUX,MSGL_V,"MOV: unknown chunk: %.4s %d\n",(char *)&id,(int)len);
1914 break;
1915 }//switch(id)
1916 return 0;
1917 }
1918
1919 static demuxer_t* mov_read_header(demuxer_t* demuxer){
1920 mov_priv_t* priv=demuxer->priv;
1921 int t_no;
1922 int best_a_id=-1, best_a_len=0;
1923 int best_v_id=-1, best_v_len=0;
1924
1925 mp_msg(MSGT_DEMUX, MSGL_DBG3, "mov_read_header!\n");
1926
1927 // Parse header:
1928 stream_reset(demuxer->stream);
1929 if(!stream_seek(demuxer->stream,priv->moov_start))
1930 {
1931 mp_msg(MSGT_DEMUX,MSGL_ERR,"MOV: Cannot seek to the beginning of the Movie header (0x%"PRIx64")\n",
1932 (int64_t)priv->moov_start);
1933 return 0;
1934 }
1935 lschunks(demuxer, 0, priv->moov_end, NULL);
1936 // just in case we have hit eof while parsing...
1937 demuxer->stream->eof = 0;
1938 // mp_msg(MSGT_DEMUX, MSGL_INFO, "--------------\n");
1939
1940 // find the best (longest) streams:
1941 for(t_no=0;t_no<priv->track_db;t_no++){
1942 mov_track_t* trak=priv->tracks[t_no];
1943 int len=(trak->samplesize) ? trak->chunks_size : trak->samples_size;
1944 if(demuxer->a_streams[t_no]){ // need audio
1945 if(len>best_a_len){ best_a_len=len; best_a_id=t_no; }
1946 }
1947 if(demuxer->v_streams[t_no]){ // need video
1948 if(len>best_v_len){ best_v_len=len; best_v_id=t_no; }
1949 }
1950 }
1951 mp_msg(MSGT_DEMUX, MSGL_V, "MOV: longest streams: A: #%d (%d samples) V: #%d (%d samples)\n",
1952 best_a_id,best_a_len,best_v_id,best_v_len);
1953 if(demuxer->audio->id==-1 && best_a_id>=0) demuxer->audio->id=best_a_id;
1954 if(demuxer->video->id==-1 && best_v_id>=0) demuxer->video->id=best_v_id;
1955
1956 // setup sh pointers:
1957 if(demuxer->audio->id>=0){
1958 sh_audio_t* sh=demuxer->a_streams[demuxer->audio->id];
1959 if(sh){
1960 demuxer->audio->sh=sh; sh->ds=demuxer->audio;
1961 } else {
1962 mp_msg(MSGT_DEMUX, MSGL_ERR, "MOV: selected audio stream (%d) does not exist\n",demuxer->audio->id);
1963 demuxer->audio->id=-2;
1964 }
1965 }
1966 if(demuxer->video->id>=0){
1967 sh_video_t* sh=demuxer->v_streams[demuxer->video->id];
1968 if(sh){
1969 demuxer->video->sh=sh; sh->ds=demuxer->video;
1970 } else {
1971 mp_msg(MSGT_DEMUX, MSGL_ERR, "MOV: selected video stream (%d) does not exist\n",demuxer->video->id);
1972 demuxer->video->id=-2;
1973 }
1974 }
1975 if(demuxer->sub->id>=0){
1976 sh_sub_t* sh=demuxer->s_streams[demuxer->sub->id];
1977 if(sh){
1978 demuxer->sub->sh=sh;
1979 } else {
1980 mp_msg(MSGT_DEMUX, MSGL_ERR, "MOV: selected subtitle stream (%d) does not exist\n",demuxer->sub->id);
1981 demuxer->sub->id=-2;
1982 }
1983 }
1984
1985 if(demuxer->video->id<0 && demuxer->audio->id<0) {
1986 /* No AV streams found. Try to find an MPEG stream. */
1987 for(t_no=0;t_no<priv->track_db;t_no++){
1988 mov_track_t* trak=priv->tracks[t_no];
1989 if(trak->media_handler == MOV_FOURCC('M','P','E','G')) {
1990 stream_t *s;
1991 demuxer_t *od;
1992
1993 demuxer->video->id = t_no;
1994 s = new_ds_stream(demuxer->video);
1995 od = demux_open(s, DEMUXER_TYPE_MPEG_PS, -1, -1, -1, NULL);
1996 if(od) return new_demuxers_demuxer(od, od, od);
1997 demuxer->video->id = -2; //new linked demuxer couldn't be allocated
1998 break;
1999 }
2000 }
2001 }
2002
2003 #if 0
2004 if( mp_msg_test(MSGT_DEMUX,MSGL_DBG3) ){
2005 for(t_no=0;t_no<priv->track_db;t_no++){
2006 mov_track_t* trak=priv->tracks[t_no];
2007 if(trak->type==MOV_TRAK_GENERIC){
2008 int i;
2009 int fd;
2010 char name[20];
2011 mp_msg(MSGT_DEMUX, MSGL_INFO, "MOV: Track #%d: Extracting %d data chunks to files\n",t_no,trak->samples_size);
2012 for (i=0; i<trak->samples_size; i++)
2013 {
2014 int len=trak->samples[i].size;
2015 char buf[len];
2016 stream_seek(demuxer->stream, trak->samples[i].pos);
2017 snprintf(name, 20, "t%02d-s%03d.%s", t_no,i,
2018 (trak->media_handler==MOV_FOURCC('f','l','s','h')) ?
2019 "swf":"dump");
2020 fd = open(name, O_CREAT|O_WRONLY);
2021 // { int j;
2022 // for(j=0;j<trak->stdata_len-3; j++)
2023 // printf("stdata[%d]=0x%X ize=0x%X\n",j,char2int(trak->stdata,j),MOV_FOURCC('z','l','i','b'));
2024 // }
2025 if( //trak->media_handler==MOV_FOURCC('s','p','r','t') &&
2026 trak->stdata_len>=16 &&
2027 char2int(trak->stdata,12)==MOV_FOURCC('z','l','i','b')
2028 ){
2029 int newlen=stream_read_dword(demuxer->stream);
2030 #if CONFIG_ZLIB
2031 // unzip:
2032 z_stream zstrm;
2033 int zret;
2034 char buf2[newlen];
2035
2036 len-=4;
2037 stream_read(demuxer->stream, buf, len);
2038
2039 zstrm.zalloc = (alloc_func)0;
2040 zstrm.zfree = (free_func)0;
2041 zstrm.opaque = (voidpf)0;
2042 zstrm.next_in = buf;
2043 zstrm.avail_in = len;
2044 zstrm.next_out = buf2;
2045 zstrm.avail_out = newlen;
2046
2047 zret = inflateInit(&zstrm);
2048 zret = inflate(&zstrm, Z_NO_FLUSH);
2049 if(newlen != zstrm.total_out)
2050 mp_msg(MSGT_DEMUX, MSGL_WARN, "Warning! unzipped frame size differs hdr: %d zlib: %ld\n",newlen,zstrm.total_out);
2051
2052 write(fd, buf2, newlen);
2053 } else {
2054 #else
2055 len-=4;
2056 mp_msg(MSGT_DEMUX, MSGL_INFO, "******* ZLIB COMPRESSED SAMPLE!!!!! (%d->%d bytes) *******\n",len,newlen);
2057 }
2058 {
2059 #endif
2060 stream_read(demuxer->stream, buf, len);
2061 write(fd, buf, len);
2062 }
2063 close(fd);
2064 }
2065 }
2066 }
2067 }
2068 demuxer->stream->eof = 0;
2069 #endif
2070
2071 return demuxer;
2072 }
2073
2074 /**
2075 * \brief return the mov track that belongs to a demuxer stream
2076 * \param ds the demuxer stream, may be NULL
2077 * \return the mov track info structure belonging to the stream,
2078 * NULL if not found
2079 */
2080 static mov_track_t *stream_track(mov_priv_t *priv, demux_stream_t *ds) {
2081 if (ds && (ds->id >= 0) && (ds->id < priv->track_db))
2082 return priv->tracks[ds->id];
2083 return NULL;
2084 }
2085
2086 // return value:
2087 // 0 = EOF or no stream found
2088 // 1 = successfully read a packet
2089 static int demux_mov_fill_buffer(demuxer_t *demuxer,demux_stream_t* ds){
2090 mov_priv_t* priv=demuxer->priv;
2091 mov_track_t* trak=NULL;
2092 float pts;
2093 int x;
2094 off_t pos;
2095
2096 if (ds->eof) return 0;
2097 trak = stream_track(priv, ds);
2098 if (!trak) return 0;
2099
2100 if(trak->samplesize){
2101 // read chunk:
2102 if(trak->pos>=trak->chunks_size) return 0; // EOF
2103 stream_seek(demuxer->stream,trak->chunks[trak->pos].pos);
2104 pts=(float)(trak->chunks[trak->pos].sample*trak->duration)/(float)trak->timescale;
2105 if(trak->samplesize!=1)
2106 {
2107 mp_msg(MSGT_DEMUX, MSGL_DBG2, "WARNING! Samplesize(%d) != 1\n",
2108 trak->samplesize);
2109 if((trak->fourcc != MOV_FOURCC('t','w','o','s')) && (trak->fourcc != MOV_FOURCC('s','o','w','t')))
2110 x=trak->chunks[trak->pos].size*trak->samplesize;
2111 else
2112 x=trak->chunks[trak->pos].size;
2113 }
2114 else
2115 x=trak->chunks[trak->pos].size;
2116 // printf("X = %d\n", x);
2117 /* the following stuff is audio related */
2118 if (trak->type == MOV_TRAK_AUDIO){
2119 if(trak->stdata_len>=44 && trak->stdata[9]>=1 && char2int(trak->stdata,28)>0){
2120 // stsd version 1 - we have audio compression ratio info:
2121 x/=char2int(trak->stdata,28); // samples/packet
2122 // x*=char2int(trak->stdata,32); // bytes/packet
2123 x*=char2int(trak->stdata,36); // bytes/frame
2124 } else {
2125 if(ds->ss_div && ds->ss_mul){
2126 // workaround for buggy files like 7up-high-traffic-areas.mov,
2127 // with missing stsd v1 header containing compression rate
2128 x/=ds->ss_div; x*=ds->ss_mul; // compression ratio fix ! HACK !
2129 } else {
2130 x*=trak->nchannels;
2131 x*=trak->samplebytes;
2132 }
2133 }
2134 mp_msg(MSGT_DEMUX, MSGL_DBG2, "Audio sample %d bytes pts %5.3f\n",trak->chunks[trak->pos].size*trak->samplesize,pts);
2135 } /* MOV_TRAK_AUDIO */
2136 pos=trak->chunks[trak->pos].pos;
2137 } else {
2138 int frame=trak->pos;
2139 // editlist support:
2140 if(trak->type == MOV_TRAK_VIDEO && trak->editlist_size>=1){
2141 // find the right editlist entry:
2142 if(frame<trak->editlist[trak->editlist_pos].start_frame)
2143 trak->editlist_pos=0;
2144 while(trak->editlist_pos<trak->editlist_size-1 &&
2145 frame>=trak->editlist[trak->editlist_pos+1].start_frame)
2146 ++trak->editlist_pos;
2147 if(frame>=trak->editlist[trak->editlist_pos].start_frame+
2148 trak->editlist[trak->editlist_pos].frames) return 0; // EOF
2149 // calc real frame index:
2150 frame-=trak->editlist[trak->editlist_pos].start_frame;
2151 frame+=trak->editlist[trak->editlist_pos].start_sample;
2152 // calc pts:
2153 pts=(float)(trak->samples[frame].pts+
2154 trak->editlist[trak->editlist_pos].pts_offset)/(float)trak->timescale;
2155 } else {
2156 if(frame>=trak->samples_size) return 0; // EOF
2157 pts=(float)trak->samples[frame].pts/(float)trak->timescale;
2158 }
2159 // read sample:
2160 stream_seek(demuxer->stream,trak->samples[frame].pos);
2161 x=trak->samples[frame].size;
2162 pos=trak->samples[frame].pos;
2163 }
2164 if(trak->pos==0 && trak->stream_header_len>0){
2165 // we have to append the stream header...
2166 demux_packet_t* dp=new_demux_packet(x+trak->stream_header_len);
2167 memcpy(dp->buffer,trak->stream_header,trak->stream_header_len);
2168 stream_read(demuxer->stream,dp->buffer+trak->stream_header_len,x);
2169 free(trak->stream_header);
2170 trak->stream_header = NULL;
2171 trak->stream_header_len = 0;
2172 dp->pts=pts;
2173 dp->flags=0;
2174 dp->pos=pos; // FIXME?
2175 ds_add_packet(ds,dp);
2176 } else
2177 ds_read_packet(ds,demuxer->stream,x,pts,pos,0);
2178
2179 ++trak->pos;
2180
2181 trak = NULL;
2182 if (demuxer->sub->id >= 0 && demuxer->sub->id < priv->track_db)
2183 trak = priv->tracks[demuxer->sub->id];
2184 if (trak) {
2185 int samplenr = 0;
2186 while (samplenr < trak->samples_size) {
2187 double subpts = (double)trak->samples[samplenr].pts / (double)trak->timescale;
2188 if (subpts >= pts) break;
2189 samplenr++;
2190 }
2191 samplenr--;
2192 if (samplenr < 0)
2193 vo_sub = NULL;
2194 else if (samplenr != priv->current_sub) {
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