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Increase probe buffer size to 32kB, this makes ac3 auto-detection far more reliable.
[mplayer/glamo.git] / libmpdemux / demuxer.c
blobe360572d7fdb072d9d5ba59ed4add6c02f069b41
1 //=================== DEMUXER v2.5 =========================
2
3 #include <stdio.h>
4 #include <stdlib.h>
5 #include <string.h>
6 #include <unistd.h>
7
8 #include <sys/types.h>
9 #include <sys/stat.h>
10
11 #include "config.h"
12 #include "mp_msg.h"
13 #include "help_mp.h"
14 #include "m_config.h"
15
16 #include "libvo/fastmemcpy.h"
17
18 #include "stream/stream.h"
19 #include "demuxer.h"
20 #include "stheader.h"
21 #include "mf.h"
22
23 #include "libaf/af_format.h"
24
25 #ifdef CONFIG_ASS
26 #include "libass/ass.h"
27 #include "libass/ass_mp.h"
28 #endif
29
30 #ifdef CONFIG_LIBAVCODEC
31 #include "libavcodec/avcodec.h"
32 #if MP_INPUT_BUFFER_PADDING_SIZE < FF_INPUT_BUFFER_PADDING_SIZE
33 #error MP_INPUT_BUFFER_PADDING_SIZE is too small!
34 #endif
35 #endif
36
37 void resync_video_stream(sh_video_t *sh_video);
38 void resync_audio_stream(sh_audio_t *sh_audio);
39
40 // Demuxer list
41 extern const demuxer_desc_t demuxer_desc_rawaudio;
42 extern const demuxer_desc_t demuxer_desc_rawvideo;
43 extern const demuxer_desc_t demuxer_desc_tv;
44 extern const demuxer_desc_t demuxer_desc_mf;
45 extern const demuxer_desc_t demuxer_desc_avi;
46 extern const demuxer_desc_t demuxer_desc_y4m;
47 extern const demuxer_desc_t demuxer_desc_asf;
48 extern const demuxer_desc_t demuxer_desc_real;
49 extern const demuxer_desc_t demuxer_desc_smjpeg;
50 extern const demuxer_desc_t demuxer_desc_matroska;
51 extern const demuxer_desc_t demuxer_desc_realaudio;
52 extern const demuxer_desc_t demuxer_desc_vqf;
53 extern const demuxer_desc_t demuxer_desc_mov;
54 extern const demuxer_desc_t demuxer_desc_vivo;
55 extern const demuxer_desc_t demuxer_desc_fli;
56 extern const demuxer_desc_t demuxer_desc_film;
57 extern const demuxer_desc_t demuxer_desc_roq;
58 extern const demuxer_desc_t demuxer_desc_gif;
59 extern const demuxer_desc_t demuxer_desc_ogg;
60 extern const demuxer_desc_t demuxer_desc_avs;
61 extern const demuxer_desc_t demuxer_desc_pva;
62 extern const demuxer_desc_t demuxer_desc_nsv;
63 extern const demuxer_desc_t demuxer_desc_mpeg_ts;
64 extern const demuxer_desc_t demuxer_desc_lmlm4;
65 extern const demuxer_desc_t demuxer_desc_mpeg_ps;
66 extern const demuxer_desc_t demuxer_desc_mpeg_pes;
67 extern const demuxer_desc_t demuxer_desc_mpeg_es;
68 extern const demuxer_desc_t demuxer_desc_mpeg_gxf;
69 extern const demuxer_desc_t demuxer_desc_mpeg4_es;
70 extern const demuxer_desc_t demuxer_desc_h264_es;
71 extern const demuxer_desc_t demuxer_desc_rawdv;
72 extern const demuxer_desc_t demuxer_desc_mpc;
73 extern const demuxer_desc_t demuxer_desc_audio;
74 extern const demuxer_desc_t demuxer_desc_xmms;
75 extern const demuxer_desc_t demuxer_desc_mpeg_ty;
76 extern const demuxer_desc_t demuxer_desc_rtp;
77 extern const demuxer_desc_t demuxer_desc_rtp_nemesi;
78 extern const demuxer_desc_t demuxer_desc_lavf;
79 extern const demuxer_desc_t demuxer_desc_lavf_preferred;
80 extern const demuxer_desc_t demuxer_desc_aac;
81 extern const demuxer_desc_t demuxer_desc_nut;
82 extern const demuxer_desc_t demuxer_desc_mng;
83
84 /* Please do not add any new demuxers here. If you want to implement a new
85 * demuxer, add it to libavformat, except for wrappers around external
86 * libraries and demuxers requiring binary support. */
87
88 const demuxer_desc_t *const demuxer_list[] = {
89 &demuxer_desc_rawaudio,
90 &demuxer_desc_rawvideo,
91 #ifdef CONFIG_TV
92 &demuxer_desc_tv,
93 #endif
94 &demuxer_desc_mf,
95 #ifdef CONFIG_LIBAVFORMAT
96 &demuxer_desc_lavf_preferred,
97 #endif
98 &demuxer_desc_avi,
99 &demuxer_desc_y4m,
100 &demuxer_desc_asf,
101 &demuxer_desc_nsv,
102 &demuxer_desc_real,
103 &demuxer_desc_smjpeg,
104 &demuxer_desc_matroska,
105 &demuxer_desc_realaudio,
106 &demuxer_desc_vqf,
107 &demuxer_desc_mov,
108 &demuxer_desc_vivo,
109 &demuxer_desc_fli,
110 &demuxer_desc_film,
111 &demuxer_desc_roq,
112 #ifdef CONFIG_GIF
113 &demuxer_desc_gif,
114 #endif
115 #ifdef CONFIG_OGGVORBIS
116 &demuxer_desc_ogg,
117 #endif
118 #ifdef CONFIG_WIN32DLL
119 &demuxer_desc_avs,
120 #endif
121 &demuxer_desc_pva,
122 &demuxer_desc_mpeg_ts,
123 &demuxer_desc_lmlm4,
124 &demuxer_desc_mpeg_ps,
125 &demuxer_desc_mpeg_pes,
126 &demuxer_desc_mpeg_es,
127 &demuxer_desc_mpeg_gxf,
128 &demuxer_desc_mpeg4_es,
129 &demuxer_desc_h264_es,
130 &demuxer_desc_audio,
131 &demuxer_desc_mpeg_ty,
132 #ifdef CONFIG_LIVE555
133 &demuxer_desc_rtp,
134 #endif
135 #ifdef CONFIG_LIBNEMESI
136 &demuxer_desc_rtp_nemesi,
137 #endif
138 #ifdef CONFIG_LIBAVFORMAT
139 &demuxer_desc_lavf,
140 #endif
141 #ifdef CONFIG_MUSEPACK
142 &demuxer_desc_mpc,
143 #endif
144 #ifdef CONFIG_LIBDV095
145 &demuxer_desc_rawdv,
146 #endif
147 &demuxer_desc_aac,
148 #ifdef CONFIG_LIBNUT
149 &demuxer_desc_nut,
150 #endif
151 #ifdef CONFIG_XMMS
152 &demuxer_desc_xmms,
153 #endif
154 #ifdef CONFIG_MNG
155 &demuxer_desc_mng,
156 #endif
157 /* Please do not add any new demuxers here. If you want to implement a new
158 * demuxer, add it to libavformat, except for wrappers around external
159 * libraries and demuxers requiring binary support. */
160 NULL
161 };
162
163 void free_demuxer_stream(demux_stream_t *ds)
164 {
165 ds_free_packs(ds);
166 free(ds);
167 }
168
169 demux_stream_t *new_demuxer_stream(struct demuxer_st *demuxer, int id)
170 {
171 demux_stream_t *ds = malloc(sizeof(demux_stream_t));
172 ds->buffer_pos = ds->buffer_size = 0;
173 ds->buffer = NULL;
174 ds->pts = 0;
175 ds->pts_bytes = 0;
176 ds->eof = 0;
177 ds->pos = 0;
178 ds->dpos = 0;
179 ds->pack_no = 0;
180
181 ds->packs = 0;
182 ds->bytes = 0;
183 ds->first = ds->last = ds->current = NULL;
184 ds->id = id;
185 ds->demuxer = demuxer;
186
187 ds->asf_seq = -1;
188 ds->asf_packet = NULL;
189
190 ds->ss_mul = ds->ss_div = 0;
191
192 ds->sh = NULL;
193 return ds;
194 }
195
196
197 /**
198 * Get demuxer description structure for a given demuxer type
199 *
200 * @param file_format type of the demuxer
201 * @return structure for the demuxer, NULL if not found
202 */
203 static const demuxer_desc_t *get_demuxer_desc_from_type(int file_format)
204 {
205 int i;
206
207 for (i = 0; demuxer_list[i]; i++)
208 if (file_format == demuxer_list[i]->type)
209 return demuxer_list[i];
210
211 return NULL;
212 }
213
214
215 demuxer_t *new_demuxer(stream_t *stream, int type, int a_id, int v_id,
216 int s_id, char *filename)
217 {
218 demuxer_t *d = malloc(sizeof(demuxer_t));
219 memset(d, 0, sizeof(demuxer_t));
220 d->stream = stream;
221 d->stream_pts = MP_NOPTS_VALUE;
222 d->reference_clock = MP_NOPTS_VALUE;
223 d->movi_start = stream->start_pos;
224 d->movi_end = stream->end_pos;
225 d->seekable = 1;
226 d->synced = 0;
227 d->filepos = 0;
228 d->audio = new_demuxer_stream(d, a_id);
229 d->video = new_demuxer_stream(d, v_id);
230 d->sub = new_demuxer_stream(d, s_id);
231 d->type = type;
232 if (type)
233 if (!(d->desc = get_demuxer_desc_from_type(type)))
234 mp_msg(MSGT_DEMUXER, MSGL_ERR,
235 "BUG! Invalid demuxer type in new_demuxer(), "
236 "big troubles ahead.");
237 if (filename) // Filename hack for avs_check_file
238 d->filename = strdup(filename);
239 stream_reset(stream);
240 stream_seek(stream, stream->start_pos);
241 return d;
242 }
243
244 extern int dvdsub_id;
245
246 sh_sub_t *new_sh_sub_sid(demuxer_t *demuxer, int id, int sid)
247 {
248 if (id > MAX_S_STREAMS - 1 || id < 0) {
249 mp_msg(MSGT_DEMUXER, MSGL_WARN,
250 "Requested sub stream id overflow (%d > %d)\n", id,
251 MAX_S_STREAMS);
252 return NULL;
253 }
254 if (demuxer->s_streams[id])
255 mp_msg(MSGT_DEMUXER, MSGL_WARN, "Sub stream %i redefined\n", id);
256 else {
257 sh_sub_t *sh = calloc(1, sizeof(sh_sub_t));
258 demuxer->s_streams[id] = sh;
259 sh->sid = sid;
260 mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_SUBTITLE_ID=%d\n", sid);
261 }
262 if (sid == dvdsub_id) {
263 demuxer->sub->id = id;
264 demuxer->sub->sh = demuxer->s_streams[id];
265 }
266 return demuxer->s_streams[id];
267 }
268
269 void free_sh_sub(sh_sub_t *sh)
270 {
271 mp_msg(MSGT_DEMUXER, MSGL_DBG2, "DEMUXER: freeing sh_sub at %p\n", sh);
272 free(sh->extradata);
273 #ifdef CONFIG_ASS
274 if (sh->ass_track)
275 ass_free_track(sh->ass_track);
276 #endif
277 free(sh->lang);
278 free(sh);
279 }
280
281 sh_audio_t *new_sh_audio_aid(demuxer_t *demuxer, int id, int aid)
282 {
283 if (id > MAX_A_STREAMS - 1 || id < 0) {
284 mp_msg(MSGT_DEMUXER, MSGL_WARN,
285 "Requested audio stream id overflow (%d > %d)\n", id,
286 MAX_A_STREAMS);
287 return NULL;
288 }
289 if (demuxer->a_streams[id])
290 mp_msg(MSGT_DEMUXER, MSGL_WARN, MSGTR_AudioStreamRedefined, id);
291 else {
292 sh_audio_t *sh = calloc(1, sizeof(sh_audio_t));
293 mp_msg(MSGT_DEMUXER, MSGL_V, MSGTR_FoundAudioStream, id);
294 demuxer->a_streams[id] = sh;
295 sh->aid = aid;
296 sh->ds = demuxer->audio;
297 // set some defaults
298 sh->samplesize = 2;
299 sh->sample_format = AF_FORMAT_S16_NE;
300 sh->audio_out_minsize = 8192; /* default size, maybe not enough for Win32/ACM */
301 sh->pts = MP_NOPTS_VALUE;
302 mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_AUDIO_ID=%d\n", aid);
303 }
304 return demuxer->a_streams[id];
305 }
306
307 void free_sh_audio(demuxer_t *demuxer, int id)
308 {
309 sh_audio_t *sh = demuxer->a_streams[id];
310 demuxer->a_streams[id] = NULL;
311 mp_msg(MSGT_DEMUXER, MSGL_DBG2, "DEMUXER: freeing sh_audio at %p\n", sh);
312 free(sh->wf);
313 free(sh->codecdata);
314 free(sh->lang);
315 free(sh);
316 }
317
318 sh_video_t *new_sh_video_vid(demuxer_t *demuxer, int id, int vid)
319 {
320 if (id > MAX_V_STREAMS - 1 || id < 0) {
321 mp_msg(MSGT_DEMUXER, MSGL_WARN,
322 "Requested video stream id overflow (%d > %d)\n", id,
323 MAX_V_STREAMS);
324 return NULL;
325 }
326 if (demuxer->v_streams[id])
327 mp_msg(MSGT_DEMUXER, MSGL_WARN, MSGTR_VideoStreamRedefined, id);
328 else {
329 sh_video_t *sh = calloc(1, sizeof(sh_video_t));
330 mp_msg(MSGT_DEMUXER, MSGL_V, MSGTR_FoundVideoStream, id);
331 demuxer->v_streams[id] = sh;
332 sh->vid = vid;
333 sh->ds = demuxer->video;
334 mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_VIDEO_ID=%d\n", vid);
335 }
336 return demuxer->v_streams[id];
337 }
338
339 void free_sh_video(sh_video_t *sh)
340 {
341 mp_msg(MSGT_DEMUXER, MSGL_DBG2, "DEMUXER: freeing sh_video at %p\n", sh);
342 free(sh->bih);
343 free(sh);
344 }
345
346 void free_demuxer(demuxer_t *demuxer)
347 {
348 int i;
349 mp_msg(MSGT_DEMUXER, MSGL_DBG2, "DEMUXER: freeing demuxer at %p\n",
350 demuxer);
351 if (demuxer->desc->close)
352 demuxer->desc->close(demuxer);
353 // Very ugly hack to make it behave like old implementation
354 if (demuxer->desc->type == DEMUXER_TYPE_DEMUXERS)
355 goto skip_streamfree;
356 // free streams:
357 for (i = 0; i < MAX_A_STREAMS; i++)
358 if (demuxer->a_streams[i])
359 free_sh_audio(demuxer, i);
360 for (i = 0; i < MAX_V_STREAMS; i++)
361 if (demuxer->v_streams[i])
362 free_sh_video(demuxer->v_streams[i]);
363 for (i = 0; i < MAX_S_STREAMS; i++)
364 if (demuxer->s_streams[i])
365 free_sh_sub(demuxer->s_streams[i]);
366 // free demuxers:
367 free_demuxer_stream(demuxer->audio);
368 free_demuxer_stream(demuxer->video);
369 free_demuxer_stream(demuxer->sub);
370 skip_streamfree:
371 if (demuxer->info) {
372 for (i = 0; demuxer->info[i] != NULL; i++)
373 free(demuxer->info[i]);
374 free(demuxer->info);
375 }
376 free(demuxer->filename);
377 if (demuxer->chapters) {
378 for (i = 0; i < demuxer->num_chapters; i++)
379 free(demuxer->chapters[i].name);
380 free(demuxer->chapters);
381 }
382 if (demuxer->attachments) {
383 for (i = 0; i < demuxer->num_attachments; i++) {
384 free(demuxer->attachments[i].name);
385 free(demuxer->attachments[i].type);
386 free(demuxer->attachments[i].data);
387 }
388 free(demuxer->attachments);
389 }
390 free(demuxer);
391 }
392
393
394 void ds_add_packet(demux_stream_t *ds, demux_packet_t *dp)
395 {
396 // append packet to DS stream:
397 ++ds->packs;
398 ds->bytes += dp->len;
399 if (ds->last) {
400 // next packet in stream
401 ds->last->next = dp;
402 ds->last = dp;
403 } else {
404 // first packet in stream
405 ds->first = ds->last = dp;
406 }
407 mp_dbg(MSGT_DEMUXER, MSGL_DBG2,
408 "DEMUX: Append packet to %s, len=%d pts=%5.3f pos=%u [packs: A=%d V=%d]\n",
409 (ds == ds->demuxer->audio) ? "d_audio" : "d_video", dp->len,
410 dp->pts, (unsigned int) dp->pos, ds->demuxer->audio->packs,
411 ds->demuxer->video->packs);
412 }
413
414 void ds_read_packet(demux_stream_t *ds, stream_t *stream, int len,
415 double pts, off_t pos, int flags)
416 {
417 demux_packet_t *dp = new_demux_packet(len);
418 len = stream_read(stream, dp->buffer, len);
419 resize_demux_packet(dp, len);
420 dp->pts = pts;
421 dp->pos = pos;
422 dp->flags = flags;
423 // append packet to DS stream:
424 ds_add_packet(ds, dp);
425 }
426
427 // return value:
428 // 0 = EOF or no stream found or invalid type
429 // 1 = successfully read a packet
430
431 int demux_fill_buffer(demuxer_t *demux, demux_stream_t *ds)
432 {
433 // Note: parameter 'ds' can be NULL!
434 return demux->desc->fill_buffer(demux, ds);
435 }
436
437 // return value:
438 // 0 = EOF
439 // 1 = successful
440 #define MAX_ACUMULATED_PACKETS 64
441 int ds_fill_buffer(demux_stream_t *ds)
442 {
443 demuxer_t *demux = ds->demuxer;
444 if (ds->current)
445 free_demux_packet(ds->current);
446 ds->current = NULL;
447 if (mp_msg_test(MSGT_DEMUXER, MSGL_DBG3)) {
448 if (ds == demux->audio)
449 mp_dbg(MSGT_DEMUXER, MSGL_DBG3,
450 "ds_fill_buffer(d_audio) called\n");
451 else if (ds == demux->video)
452 mp_dbg(MSGT_DEMUXER, MSGL_DBG3,
453 "ds_fill_buffer(d_video) called\n");
454 else if (ds == demux->sub)
455 mp_dbg(MSGT_DEMUXER, MSGL_DBG3, "ds_fill_buffer(d_sub) called\n");
456 else
457 mp_dbg(MSGT_DEMUXER, MSGL_DBG3,
458 "ds_fill_buffer(unknown 0x%X) called\n", (unsigned int) ds);
459 }
460 while (1) {
461 if (ds->packs) {
462 demux_packet_t *p = ds->first;
463 #if 0
464 if (demux->reference_clock != MP_NOPTS_VALUE) {
465 if ( p->pts != MP_NOPTS_VALUE
466 && p->pts > demux->reference_clock
467 && ds->packs < MAX_ACUMULATED_PACKETS) {
468 if (demux_fill_buffer(demux, ds))
469 continue;
470 }
471 }
472 #endif
473 // copy useful data:
474 ds->buffer = p->buffer;
475 ds->buffer_pos = 0;
476 ds->buffer_size = p->len;
477 ds->pos = p->pos;
478 ds->dpos += p->len; // !!!
479 ++ds->pack_no;
480 if (p->pts != MP_NOPTS_VALUE) {
481 ds->pts = p->pts;
482 ds->pts_bytes = 0;
483 }
484 ds->pts_bytes += p->len; // !!!
485 if (p->stream_pts != MP_NOPTS_VALUE)
486 demux->stream_pts = p->stream_pts;
487 ds->flags = p->flags;
488 // unlink packet:
489 ds->bytes -= p->len;
490 ds->current = p;
491 ds->first = p->next;
492 if (!ds->first)
493 ds->last = NULL;
494 --ds->packs;
495 return 1;
496 }
497 if (demux->audio->packs >= MAX_PACKS
498 || demux->audio->bytes >= MAX_PACK_BYTES) {
499 mp_msg(MSGT_DEMUXER, MSGL_ERR, MSGTR_TooManyAudioInBuffer,
500 demux->audio->packs, demux->audio->bytes);
501 mp_msg(MSGT_DEMUXER, MSGL_HINT, MSGTR_MaybeNI);
502 break;
503 }
504 if (demux->video->packs >= MAX_PACKS
505 || demux->video->bytes >= MAX_PACK_BYTES) {
506 mp_msg(MSGT_DEMUXER, MSGL_ERR, MSGTR_TooManyVideoInBuffer,
507 demux->video->packs, demux->video->bytes);
508 mp_msg(MSGT_DEMUXER, MSGL_HINT, MSGTR_MaybeNI);
509 break;
510 }
511 if (!demux_fill_buffer(demux, ds)) {
512 mp_dbg(MSGT_DEMUXER, MSGL_DBG2,
513 "ds_fill_buffer()->demux_fill_buffer() failed\n");
514 break; // EOF
515 }
516 }
517 ds->buffer_pos = ds->buffer_size = 0;
518 ds->buffer = NULL;
519 mp_msg(MSGT_DEMUXER, MSGL_V,
520 "ds_fill_buffer: EOF reached (stream: %s) \n",
521 ds == demux->audio ? "audio" : "video");
522 ds->eof = 1;
523 return 0;
524 }
525
526 int demux_read_data(demux_stream_t *ds, unsigned char *mem, int len)
527 {
528 int x;
529 int bytes = 0;
530 while (len > 0) {
531 x = ds->buffer_size - ds->buffer_pos;
532 if (x == 0) {
533 if (!ds_fill_buffer(ds))
534 return bytes;
535 } else {
536 if (x > len)
537 x = len;
538 if (mem)
539 fast_memcpy(mem + bytes, &ds->buffer[ds->buffer_pos], x);
540 bytes += x;
541 len -= x;
542 ds->buffer_pos += x;
543 }
544 }
545 return bytes;
546 }
547
548 /**
549 * \brief read data until the given 3-byte pattern is encountered, up to maxlen
550 * \param mem memory to read data into, may be NULL to discard data
551 * \param maxlen maximum number of bytes to read
552 * \param read number of bytes actually read
553 * \param pattern pattern to search for (lowest 8 bits are ignored)
554 * \return whether pattern was found
555 */
556 int demux_pattern_3(demux_stream_t *ds, unsigned char *mem, int maxlen,
557 int *read, uint32_t pattern)
558 {
559 register uint32_t head = 0xffffff00;
560 register uint32_t pat = pattern & 0xffffff00;
561 int total_len = 0;
562 do {
563 register unsigned char *ds_buf = &ds->buffer[ds->buffer_size];
564 int len = ds->buffer_size - ds->buffer_pos;
565 register long pos = -len;
566 if (unlikely(pos >= 0)) { // buffer is empty
567 ds_fill_buffer(ds);
568 continue;
569 }
570 do {
571 head |= ds_buf[pos];
572 head <<= 8;
573 } while (++pos && head != pat);
574 len += pos;
575 if (total_len + len > maxlen)
576 len = maxlen - total_len;
577 len = demux_read_data(ds, mem ? &mem[total_len] : NULL, len);
578 total_len += len;
579 } while ((head != pat || total_len < 3) && total_len < maxlen && !ds->eof);
580 if (read)
581 *read = total_len;
582 return total_len >= 3 && head == pat;
583 }
584
585 void ds_free_packs(demux_stream_t *ds)
586 {
587 demux_packet_t *dp = ds->first;
588 while (dp) {
589 demux_packet_t *dn = dp->next;
590 free_demux_packet(dp);
591 dp = dn;
592 }
593 if (ds->asf_packet) {
594 // free unfinished .asf fragments:
595 free(ds->asf_packet->buffer);
596 free(ds->asf_packet);
597 ds->asf_packet = NULL;
598 }
599 ds->first = ds->last = NULL;
600 ds->packs = 0; // !!!!!
601 ds->bytes = 0;
602 if (ds->current)
603 free_demux_packet(ds->current);
604 ds->current = NULL;
605 ds->buffer = NULL;
606 ds->buffer_pos = ds->buffer_size;
607 ds->pts = 0;
608 ds->pts_bytes = 0;
609 }
610
611 int ds_get_packet(demux_stream_t *ds, unsigned char **start)
612 {
613 int len;
614 if (ds->buffer_pos >= ds->buffer_size) {
615 if (!ds_fill_buffer(ds)) {
616 // EOF
617 *start = NULL;
618 return -1;
619 }
620 }
621 len = ds->buffer_size - ds->buffer_pos;
622 *start = &ds->buffer[ds->buffer_pos];
623 ds->buffer_pos += len;
624 return len;
625 }
626
627 int ds_get_packet_pts(demux_stream_t *ds, unsigned char **start, double *pts)
628 {
629 int len;
630 *pts = MP_NOPTS_VALUE;
631 if (ds->buffer_pos >= ds->buffer_size) {
632 if (!ds_fill_buffer(ds)) {
633 // EOF
634 *start = NULL;
635 return -1;
636 }
637 }
638 // Return pts unless this read starts from the middle of a packet
639 if (!ds->buffer_pos)
640 *pts = ds->current->pts;
641 len = ds->buffer_size - ds->buffer_pos;
642 *start = &ds->buffer[ds->buffer_pos];
643 ds->buffer_pos += len;
644 return len;
645 }
646
647 int ds_get_packet_sub(demux_stream_t *ds, unsigned char **start)
648 {
649 int len;
650 if (ds->buffer_pos >= ds->buffer_size) {
651 *start = NULL;
652 if (!ds->packs)
653 return -1; // no sub
654 if (!ds_fill_buffer(ds))
655 return -1; // EOF
656 }
657 len = ds->buffer_size - ds->buffer_pos;
658 *start = &ds->buffer[ds->buffer_pos];
659 ds->buffer_pos += len;
660 return len;
661 }
662
663 double ds_get_next_pts(demux_stream_t *ds)
664 {
665 demuxer_t *demux = ds->demuxer;
666 while (!ds->first) {
667 if (demux->audio->packs >= MAX_PACKS
668 || demux->audio->bytes >= MAX_PACK_BYTES) {
669 mp_msg(MSGT_DEMUXER, MSGL_ERR, MSGTR_TooManyAudioInBuffer,
670 demux->audio->packs, demux->audio->bytes);
671 mp_msg(MSGT_DEMUXER, MSGL_HINT, MSGTR_MaybeNI);
672 return MP_NOPTS_VALUE;
673 }
674 if (demux->video->packs >= MAX_PACKS
675 || demux->video->bytes >= MAX_PACK_BYTES) {
676 mp_msg(MSGT_DEMUXER, MSGL_ERR, MSGTR_TooManyVideoInBuffer,
677 demux->video->packs, demux->video->bytes);
678 mp_msg(MSGT_DEMUXER, MSGL_HINT, MSGTR_MaybeNI);
679 return MP_NOPTS_VALUE;
680 }
681 if (!demux_fill_buffer(demux, ds))
682 return MP_NOPTS_VALUE;
683 }
684 return ds->first->pts;
685 }
686
687 // ====================================================================
688
689 void demuxer_help(void)
690 {
691 int i;
692
693 mp_msg(MSGT_DEMUXER, MSGL_INFO, "Available demuxers:\n");
694 mp_msg(MSGT_DEMUXER, MSGL_INFO, " demuxer: type info: (comment)\n");
695 mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_DEMUXERS\n");
696 for (i = 0; demuxer_list[i]; i++) {
697 if (demuxer_list[i]->type > DEMUXER_TYPE_MAX) // Don't display special demuxers
698 continue;
699 if (demuxer_list[i]->comment && strlen(demuxer_list[i]->comment))
700 mp_msg(MSGT_DEMUXER, MSGL_INFO, "%10s %2d %s (%s)\n",
701 demuxer_list[i]->name, demuxer_list[i]->type,
702 demuxer_list[i]->info, demuxer_list[i]->comment);
703 else
704 mp_msg(MSGT_DEMUXER, MSGL_INFO, "%10s %2d %s\n",
705 demuxer_list[i]->name, demuxer_list[i]->type,
706 demuxer_list[i]->info);
707 }
708 }
709
710
711 /**
712 * Get demuxer type for a given demuxer name
713 *
714 * @param demuxer_name string with demuxer name of demuxer number
715 * @param force will be set if demuxer should be forced.
716 * May be NULL.
717 * @return DEMUXER_TYPE_xxx, -1 if error or not found
718 */
719 int get_demuxer_type_from_name(char *demuxer_name, int *force)
720 {
721 int i;
722 long type_int;
723 char *endptr;
724
725 if (!demuxer_name || !demuxer_name[0])
726 return DEMUXER_TYPE_UNKNOWN;
727 if (force)
728 *force = demuxer_name[0] == '+';
729 if (demuxer_name[0] == '+')
730 demuxer_name = &demuxer_name[1];
731 for (i = 0; demuxer_list[i]; i++) {
732 if (demuxer_list[i]->type > DEMUXER_TYPE_MAX) // Can't select special demuxers from commandline
733 continue;
734 if (strcmp(demuxer_name, demuxer_list[i]->name) == 0)
735 return demuxer_list[i]->type;
736 }
737
738 // No match found, try to parse name as an integer (demuxer number)
739 type_int = strtol(demuxer_name, &endptr, 0);
740 if (*endptr) // Conversion failed
741 return -1;
742 if ((type_int > 0) && (type_int <= DEMUXER_TYPE_MAX))
743 return (int) type_int;
744
745 return -1;
746 }
747
748 int extension_parsing = 1; // 0=off 1=mixed (used only for unstable formats)
749
750 int correct_pts = 0;
751 int user_correct_pts = -1;
752
753 /*
754 NOTE : Several demuxers may be opened at the same time so
755 demuxers should NEVER rely on an external var to enable them
756 self. If a demuxer can't do any auto-detection it should only use
757 file_format. The user can explicitly set file_format with the -demuxer
758 option so there is really no need for another extra var.
759 For convenience an option can be added to set file_format directly
760 to the right type (ex: rawaudio,rawvideo).
761 Also the stream can override the file_format so a demuxer which rely
762 on a special stream type can set file_format at the stream level
763 (ex: tv,mf).
764 */
765
766 static demuxer_t *demux_open_stream(stream_t *stream, int file_format,
767 int force, int audio_id, int video_id,
768 int dvdsub_id, char *filename)
769 {
770 demuxer_t *demuxer = NULL;
771
772 sh_video_t *sh_video = NULL;
773
774 const demuxer_desc_t *demuxer_desc;
775 int fformat = 0;
776 int i;
777
778 // If somebody requested a demuxer check it
779 if (file_format) {
780 if ((demuxer_desc = get_demuxer_desc_from_type(file_format))) {
781 demuxer = new_demuxer(stream, demuxer_desc->type, audio_id,
782 video_id, dvdsub_id, filename);
783 if (demuxer_desc->check_file)
784 fformat = demuxer_desc->check_file(demuxer);
785 if (force || !demuxer_desc->check_file)
786 fformat = demuxer_desc->type;
787 if (fformat != 0) {
788 if (fformat == demuxer_desc->type) {
789 demuxer_t *demux2 = demuxer;
790 // Move messages to demuxer detection code?
791 mp_msg(MSGT_DEMUXER, MSGL_INFO,
792 MSGTR_Detected_XXX_FileFormat,
793 demuxer_desc->shortdesc);
794 file_format = fformat;
795 if (!demuxer->desc->open
796 || (demux2 = demuxer->desc->open(demuxer))) {
797 demuxer = demux2;
798 goto dmx_open;
799 }
800 } else {
801 // Format changed after check, recurse
802 free_demuxer(demuxer);
803 return demux_open_stream(stream, fformat, force, audio_id,
804 video_id, dvdsub_id, filename);
805 }
806 }
807 // Check failed for forced demuxer, quit
808 free_demuxer(demuxer);
809 return NULL;
810 }
811 }
812 // Test demuxers with safe file checks
813 for (i = 0; (demuxer_desc = demuxer_list[i]); i++) {
814 if (demuxer_desc->safe_check) {
815 demuxer = new_demuxer(stream, demuxer_desc->type, audio_id,
816 video_id, dvdsub_id, filename);
817 if ((fformat = demuxer_desc->check_file(demuxer)) != 0) {
818 if (fformat == demuxer_desc->type) {
819 demuxer_t *demux2 = demuxer;
820 mp_msg(MSGT_DEMUXER, MSGL_INFO,
821 MSGTR_Detected_XXX_FileFormat,
822 demuxer_desc->shortdesc);
823 file_format = fformat;
824 if (!demuxer->desc->open
825 || (demux2 = demuxer->desc->open(demuxer))) {
826 demuxer = demux2;
827 goto dmx_open;
828 }
829 } else {
830 if (fformat == DEMUXER_TYPE_PLAYLIST)
831 return demuxer; // handled in mplayer.c
832 // Format changed after check, recurse
833 free_demuxer(demuxer);
834 demuxer = demux_open_stream(stream, fformat, force,
835 audio_id, video_id,
836 dvdsub_id, filename);
837 if (demuxer)
838 return demuxer; // done!
839 file_format = DEMUXER_TYPE_UNKNOWN;
840 }
841 }
842 free_demuxer(demuxer);
843 demuxer = NULL;
844 }
845 }
846
847 // If no forced demuxer perform file extension based detection
848 // Ok. We're over the stable detectable fileformats, the next ones are
849 // a bit fuzzy. So by default (extension_parsing==1) try extension-based
850 // detection first:
851 if (file_format == DEMUXER_TYPE_UNKNOWN && filename
852 && extension_parsing == 1) {
853 file_format = demuxer_type_by_filename(filename);
854 if (file_format != DEMUXER_TYPE_UNKNOWN) {
855 // we like recursion :)
856 demuxer = demux_open_stream(stream, file_format, force, audio_id,
857 video_id, dvdsub_id, filename);
858 if (demuxer)
859 return demuxer; // done!
860 file_format = DEMUXER_TYPE_UNKNOWN; // continue fuzzy guessing...
861 mp_msg(MSGT_DEMUXER, MSGL_V,
862 "demuxer: continue fuzzy content-based format guessing...\n");
863 }
864 }
865 // Try detection for all other demuxers
866 for (i = 0; (demuxer_desc = demuxer_list[i]); i++) {
867 if (!demuxer_desc->safe_check && demuxer_desc->check_file) {
868 demuxer = new_demuxer(stream, demuxer_desc->type, audio_id,
869 video_id, dvdsub_id, filename);
870 if ((fformat = demuxer_desc->check_file(demuxer)) != 0) {
871 if (fformat == demuxer_desc->type) {
872 demuxer_t *demux2 = demuxer;
873 mp_msg(MSGT_DEMUXER, MSGL_INFO,
874 MSGTR_Detected_XXX_FileFormat,
875 demuxer_desc->shortdesc);
876 file_format = fformat;
877 if (!demuxer->desc->open
878 || (demux2 = demuxer->desc->open(demuxer))) {
879 demuxer = demux2;
880 goto dmx_open;
881 }
882 } else {
883 if (fformat == DEMUXER_TYPE_PLAYLIST)
884 return demuxer; // handled in mplayer.c
885 // Format changed after check, recurse
886 free_demuxer(demuxer);
887 demuxer = demux_open_stream(stream, fformat, force,
888 audio_id, video_id,
889 dvdsub_id, filename);
890 if (demuxer)
891 return demuxer; // done!
892 file_format = DEMUXER_TYPE_UNKNOWN;
893 }
894 }
895 free_demuxer(demuxer);
896 demuxer = NULL;
897 }
898 }
899
900 return NULL;
901 //====== File format recognized, set up these for compatibility: =========
902 dmx_open:
903
904 demuxer->file_format = file_format;
905
906 if ((sh_video = demuxer->video->sh) && sh_video->bih) {
907 int biComp = le2me_32(sh_video->bih->biCompression);
908 mp_msg(MSGT_DEMUX, MSGL_INFO,
909 "VIDEO: [%.4s] %dx%d %dbpp %5.3f fps %5.1f kbps (%4.1f kbyte/s)\n",
910 (char *) &biComp, sh_video->bih->biWidth,
911 sh_video->bih->biHeight, sh_video->bih->biBitCount,
912 sh_video->fps, sh_video->i_bps * 0.008f,
913 sh_video->i_bps / 1024.0f);
914 }
915 #ifdef CONFIG_ASS
916 if (ass_enabled && ass_library) {
917 for (i = 0; i < MAX_S_STREAMS; ++i) {
918 sh_sub_t *sh = demuxer->s_streams[i];
919 if (sh && sh->type == 'a') {
920 sh->ass_track = ass_new_track(ass_library);
921 if (sh->ass_track && sh->extradata)
922 ass_process_codec_private(sh->ass_track, sh->extradata,
923 sh->extradata_len);
924 } else if (sh && sh->type != 'v')
925 sh->ass_track = ass_default_track(ass_library);
926 }
927 }
928 #endif
929 return demuxer;
930 }
931
932 char *audio_stream = NULL;
933 char *sub_stream = NULL;
934 int audio_stream_cache = 0;
935
936 char *demuxer_name = NULL; // parameter from -demuxer
937 char *audio_demuxer_name = NULL; // parameter from -audio-demuxer
938 char *sub_demuxer_name = NULL; // parameter from -sub-demuxer
939
940 extern int hr_mp3_seek;
941
942 extern float stream_cache_min_percent;
943 extern float stream_cache_seek_min_percent;
944
945 demuxer_t *demux_open(stream_t *vs, int file_format, int audio_id,
946 int video_id, int dvdsub_id, char *filename)
947 {
948 stream_t *as = NULL, *ss = NULL;
949 demuxer_t *vd, *ad = NULL, *sd = NULL;
950 demuxer_t *res;
951 int afmt = DEMUXER_TYPE_UNKNOWN, sfmt = DEMUXER_TYPE_UNKNOWN;
952 int demuxer_type;
953 int audio_demuxer_type = 0, sub_demuxer_type = 0;
954 int demuxer_force = 0, audio_demuxer_force = 0, sub_demuxer_force = 0;
955
956 if ((demuxer_type =
957 get_demuxer_type_from_name(demuxer_name, &demuxer_force)) < 0) {
958 mp_msg(MSGT_DEMUXER, MSGL_ERR, "-demuxer %s does not exist.\n",
959 demuxer_name);
960 }
961 if ((audio_demuxer_type =
962 get_demuxer_type_from_name(audio_demuxer_name,
963 &audio_demuxer_force)) < 0) {
964 mp_msg(MSGT_DEMUXER, MSGL_ERR, "-audio-demuxer %s does not exist.\n",
965 audio_demuxer_name);
966 }
967 if ((sub_demuxer_type =
968 get_demuxer_type_from_name(sub_demuxer_name,
969 &sub_demuxer_force)) < 0) {
970 mp_msg(MSGT_DEMUXER, MSGL_ERR, "-sub-demuxer %s does not exist.\n",
971 sub_demuxer_name);
972 }
973
974 if (audio_stream) {
975 as = open_stream(audio_stream, 0, &afmt);
976 if (!as) {
977 mp_msg(MSGT_DEMUXER, MSGL_ERR, MSGTR_CannotOpenAudioStream,
978 audio_stream);
979 return NULL;
980 }
981 if (audio_stream_cache) {
982 if (!stream_enable_cache
983 (as, audio_stream_cache * 1024,
984 audio_stream_cache * 1024 * (stream_cache_min_percent /
985 100.0),
986 audio_stream_cache * 1024 * (stream_cache_seek_min_percent /
987 100.0))) {
988 free_stream(as);
989 mp_msg(MSGT_DEMUXER, MSGL_ERR,
990 "Can't enable audio stream cache\n");
991 return NULL;
992 }
993 }
994 }
995 if (sub_stream) {
996 ss = open_stream(sub_stream, 0, &sfmt);
997 if (!ss) {
998 mp_msg(MSGT_DEMUXER, MSGL_ERR, MSGTR_CannotOpenSubtitlesStream,
999 sub_stream);
1000 return NULL;
1001 }
1002 }
1003
1004 vd = demux_open_stream(vs, demuxer_type ? demuxer_type : file_format,
1005 demuxer_force, audio_stream ? -2 : audio_id,
1006 video_id, sub_stream ? -2 : dvdsub_id, filename);
1007 if (!vd) {
1008 if (as)
1009 free_stream(as);
1010 if (ss)
1011 free_stream(ss);
1012 return NULL;
1013 }
1014 if (as) {
1015 ad = demux_open_stream(as,
1016 audio_demuxer_type ? audio_demuxer_type : afmt,
1017 audio_demuxer_force, audio_id, -2, -2,
1018 audio_stream);
1019 if (!ad) {
1020 mp_msg(MSGT_DEMUXER, MSGL_WARN, MSGTR_OpeningAudioDemuxerFailed,
1021 audio_stream);
1022 free_stream(as);
1023 } else if (ad->audio->sh
1024 && ((sh_audio_t *) ad->audio->sh)->format == 0x55) // MP3
1025 hr_mp3_seek = 1; // Enable high res seeking
1026 }
1027 if (ss) {
1028 sd = demux_open_stream(ss, sub_demuxer_type ? sub_demuxer_type : sfmt,
1029 sub_demuxer_force, -2, -2, dvdsub_id,
1030 sub_stream);
1031 if (!sd) {
1032 mp_msg(MSGT_DEMUXER, MSGL_WARN,
1033 MSGTR_OpeningSubtitlesDemuxerFailed, sub_stream);
1034 free_stream(ss);
1035 }
1036 }
1037
1038 if (ad && sd)
1039 res = new_demuxers_demuxer(vd, ad, sd);
1040 else if (ad)
1041 res = new_demuxers_demuxer(vd, ad, vd);
1042 else if (sd)
1043 res = new_demuxers_demuxer(vd, vd, sd);
1044 else
1045 res = vd;
1046
1047 correct_pts = user_correct_pts;
1048 if (correct_pts < 0)
1049 correct_pts = demux_control(res, DEMUXER_CTRL_CORRECT_PTS, NULL)
1050 == DEMUXER_CTRL_OK;
1051 return res;
1052 }
1053
1054
1055 void demux_flush(demuxer_t *demuxer)
1056 {
1057 ds_free_packs(demuxer->video);
1058 ds_free_packs(demuxer->audio);
1059 ds_free_packs(demuxer->sub);
1060 }
1061
1062 int demux_seek(demuxer_t *demuxer, float rel_seek_secs, float audio_delay,
1063 int flags)
1064 {
1065 demux_stream_t *d_audio = demuxer->audio;
1066 demux_stream_t *d_video = demuxer->video;
1067 sh_audio_t *sh_audio = d_audio->sh;
1068 sh_video_t *sh_video = d_video->sh;
1069 double tmp = 0;
1070 double pts;
1071
1072 if (!demuxer->seekable) {
1073 if (demuxer->file_format == DEMUXER_TYPE_AVI)
1074 mp_msg(MSGT_SEEK, MSGL_WARN, MSGTR_CantSeekRawAVI);
1075 #ifdef CONFIG_TV
1076 else if (demuxer->file_format == DEMUXER_TYPE_TV)
1077 mp_msg(MSGT_SEEK, MSGL_WARN, MSGTR_TVInputNotSeekable);
1078 #endif
1079 else
1080 mp_msg(MSGT_SEEK, MSGL_WARN, MSGTR_CantSeekFile);
1081 return 0;
1082 }
1083
1084 demux_flush(demuxer);
1085 // clear demux buffers:
1086 if (sh_audio)
1087 sh_audio->a_buffer_len = 0;
1088
1089 demuxer->stream->eof = 0;
1090 demuxer->video->eof = 0;
1091 demuxer->audio->eof = 0;
1092
1093 if (sh_video)
1094 sh_video->timer = 0; // !!!!!!
1095
1096 if (flags & SEEK_ABSOLUTE)
1097 pts = 0.0f;
1098 else {
1099 if (demuxer->stream_pts == MP_NOPTS_VALUE)
1100 goto dmx_seek;
1101 pts = demuxer->stream_pts;
1102 }
1103
1104 if (flags & SEEK_FACTOR) {
1105 if (stream_control(demuxer->stream, STREAM_CTRL_GET_TIME_LENGTH, &tmp)
1106 == STREAM_UNSUPPORTED)
1107 goto dmx_seek;
1108 pts += tmp * rel_seek_secs;
1109 } else
1110 pts += rel_seek_secs;
1111
1112 if (stream_control(demuxer->stream, STREAM_CTRL_SEEK_TO_TIME, &pts) !=
1113 STREAM_UNSUPPORTED) {
1114 demux_control(demuxer, DEMUXER_CTRL_RESYNC, NULL);
1115 return 1;
1116 }
1117
1118 dmx_seek:
1119 if (demuxer->desc->seek)
1120 demuxer->desc->seek(demuxer, rel_seek_secs, audio_delay, flags);
1121
1122 if (sh_audio)
1123 resync_audio_stream(sh_audio);
1124
1125 return 1;
1126 }
1127
1128 int demux_info_add(demuxer_t *demuxer, const char *opt, const char *param)
1129 {
1130 char **info = demuxer->info;
1131 int n = 0;
1132
1133
1134 for (n = 0; info && info[2 * n] != NULL; n++) {
1135 if (!strcasecmp(opt, info[2 * n])) {
1136 mp_msg(MSGT_DEMUX, MSGL_INFO, MSGTR_DemuxerInfoChanged, opt,
1137 param);
1138 free(info[2 * n + 1]);
1139 info[2 * n + 1] = strdup(param);
1140 return 0;
1141 }
1142 }
1143
1144 info = demuxer->info = (char **) realloc(info,
1145 (2 * (n + 2)) * sizeof(char *));
1146 info[2 * n] = strdup(opt);
1147 info[2 * n + 1] = strdup(param);
1148 memset(&info[2 * (n + 1)], 0, 2 * sizeof(char *));
1149
1150 return 1;
1151 }
1152
1153 int demux_info_print(demuxer_t *demuxer)
1154 {
1155 char **info = demuxer->info;
1156 int n;
1157
1158 if (!info)
1159 return 0;
1160
1161 mp_msg(MSGT_DEMUX, MSGL_INFO, MSGTR_ClipInfo);
1162 for (n = 0; info[2 * n] != NULL; n++) {
1163 mp_msg(MSGT_DEMUX, MSGL_INFO, " %s: %s\n", info[2 * n],
1164 info[2 * n + 1]);
1165 mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_CLIP_INFO_NAME%d=%s\n", n,
1166 info[2 * n]);
1167 mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_CLIP_INFO_VALUE%d=%s\n", n,
1168 info[2 * n + 1]);
1169 }
1170 mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_CLIP_INFO_N=%d\n", n);
1171
1172 return 0;
1173 }
1174
1175 char *demux_info_get(demuxer_t *demuxer, const char *opt)
1176 {
1177 int i;
1178 char **info = demuxer->info;
1179
1180 for (i = 0; info && info[2 * i] != NULL; i++) {
1181 if (!strcasecmp(opt, info[2 * i]))
1182 return info[2 * i + 1];
1183 }
1184
1185 return NULL;
1186 }
1187
1188 int demux_control(demuxer_t *demuxer, int cmd, void *arg)
1189 {
1190
1191 if (demuxer->desc->control)
1192 return demuxer->desc->control(demuxer, cmd, arg);
1193
1194 return DEMUXER_CTRL_NOTIMPL;
1195 }
1196
1197
1198
1199 double demuxer_get_time_length(demuxer_t *demuxer)
1200 {
1201 double get_time_ans;
1202 sh_video_t *sh_video = demuxer->video->sh;
1203 sh_audio_t *sh_audio = demuxer->audio->sh;
1204 // <= 0 means DEMUXER_CTRL_NOTIMPL or DEMUXER_CTRL_DONTKNOW
1205 if (demux_control
1206 (demuxer, DEMUXER_CTRL_GET_TIME_LENGTH, (void *) &get_time_ans) <= 0) {
1207 if (sh_video && sh_video->i_bps && sh_audio && sh_audio->i_bps)
1208 get_time_ans = (double) (demuxer->movi_end -
1209 demuxer->movi_start) / (sh_video->i_bps +
1210 sh_audio->i_bps);
1211 else if (sh_video && sh_video->i_bps)
1212 get_time_ans = (double) (demuxer->movi_end -
1213 demuxer->movi_start) / sh_video->i_bps;
1214 else if (sh_audio && sh_audio->i_bps)
1215 get_time_ans = (double) (demuxer->movi_end -
1216 demuxer->movi_start) / sh_audio->i_bps;
1217 else
1218 get_time_ans = 0;
1219 }
1220 return get_time_ans;
1221 }
1222
1223 /**
1224 * \brief demuxer_get_current_time() returns the time of the current play in three possible ways:
1225 * either when the stream reader satisfies STREAM_CTRL_GET_CURRENT_TIME (e.g. dvd)
1226 * or using sh_video->pts when the former method fails
1227 * 0 otherwise
1228 * \return the current play time
1229 */
1230 int demuxer_get_current_time(demuxer_t *demuxer)
1231 {
1232 double get_time_ans = 0;
1233 sh_video_t *sh_video = demuxer->video->sh;
1234 if (demuxer->stream_pts != MP_NOPTS_VALUE)
1235 get_time_ans = demuxer->stream_pts;
1236 else if (sh_video)
1237 get_time_ans = sh_video->pts;
1238 return (int) get_time_ans;
1239 }
1240
1241 int demuxer_get_percent_pos(demuxer_t *demuxer)
1242 {
1243 int ans = 0;
1244 int res = demux_control(demuxer, DEMUXER_CTRL_GET_PERCENT_POS, &ans);
1245 int len = (demuxer->movi_end - demuxer->movi_start) / 100;
1246 if (res <= 0) {
1247 if (len > 0)
1248 ans = (demuxer->filepos - demuxer->movi_start) / len;
1249 else
1250 ans = 0;
1251 }
1252 if (ans < 0)
1253 ans = 0;
1254 if (ans > 100)
1255 ans = 100;
1256 return ans;
1257 }
1258
1259 int demuxer_switch_audio(demuxer_t *demuxer, int index)
1260 {
1261 int res = demux_control(demuxer, DEMUXER_CTRL_SWITCH_AUDIO, &index);
1262 if (res == DEMUXER_CTRL_NOTIMPL)
1263 index = demuxer->audio->id;
1264 if (demuxer->audio->id >= 0)
1265 demuxer->audio->sh = demuxer->a_streams[demuxer->audio->id];
1266 else
1267 demuxer->audio->sh = NULL;
1268 return index;
1269 }
1270
1271 int demuxer_switch_video(demuxer_t *demuxer, int index)
1272 {
1273 int res = demux_control(demuxer, DEMUXER_CTRL_SWITCH_VIDEO, &index);
1274 if (res == DEMUXER_CTRL_NOTIMPL)
1275 index = demuxer->video->id;
1276 if (demuxer->video->id >= 0)
1277 demuxer->video->sh = demuxer->v_streams[demuxer->video->id];
1278 else
1279 demuxer->video->sh = NULL;
1280 return index;
1281 }
1282
1283 int demuxer_add_attachment(demuxer_t *demuxer, const char *name,
1284 const char *type, const void *data, size_t size)
1285 {
1286 if (!(demuxer->num_attachments & 31))
1287 demuxer->attachments = realloc(demuxer->attachments,
1288 (demuxer->num_attachments + 32) * sizeof(demux_attachment_t));
1289
1290 demuxer->attachments[demuxer->num_attachments].name = strdup(name);
1291 demuxer->attachments[demuxer->num_attachments].type = strdup(type);
1292 demuxer->attachments[demuxer->num_attachments].data = malloc(size);
1293 memcpy(demuxer->attachments[demuxer->num_attachments].data, data, size);
1294 demuxer->attachments[demuxer->num_attachments].data_size = size;
1295
1296 return demuxer->num_attachments++;
1297 }
1298
1299 int demuxer_add_chapter(demuxer_t *demuxer, const char *name, uint64_t start,
1300 uint64_t end)
1301 {
1302 if (demuxer->chapters == NULL)
1303 demuxer->chapters = malloc(32 * sizeof(*demuxer->chapters));
1304 else if (!(demuxer->num_chapters % 32))
1305 demuxer->chapters = realloc(demuxer->chapters,
1306 (demuxer->num_chapters + 32) *
1307 sizeof(*demuxer->chapters));
1308
1309 demuxer->chapters[demuxer->num_chapters].start = start;
1310 demuxer->chapters[demuxer->num_chapters].end = end;
1311 demuxer->chapters[demuxer->num_chapters].name = strdup(name ? name : MSGTR_Unknown);
1312
1313 return demuxer->num_chapters++;
1314 }
1315
1316 /**
1317 * \brief demuxer_seek_chapter() seeks to a chapter in two possible ways:
1318 * either using the demuxer->chapters structure set by the demuxer
1319 * or asking help to the stream layer (e.g. dvd)
1320 * \param chapter - chapter number wished - 0-based
1321 * \param mode 0: relative to current main pts, 1: absolute
1322 * \param seek_pts set by the function to the pts to seek to (if demuxer->chapters is set)
1323 * \param num_chapters number of chapters present (set by this function is param is not null)
1324 * \param chapter_name name of chapter found (set by this function is param is not null)
1325 * \return -1 on error, current chapter if successful
1326 */
1327
1328 int demuxer_seek_chapter(demuxer_t *demuxer, int chapter, int mode,
1329 float *seek_pts, int *num_chapters,
1330 char **chapter_name)
1331 {
1332 int ris;
1333 int current, total;
1334 sh_video_t *sh_video = demuxer->video->sh;
1335 sh_audio_t *sh_audio = demuxer->audio->sh;
1336
1337 if (!demuxer->num_chapters || !demuxer->chapters) {
1338 if (!mode) {
1339 ris = stream_control(demuxer->stream,
1340 STREAM_CTRL_GET_CURRENT_CHAPTER, &current);
1341 if (ris == STREAM_UNSUPPORTED)
1342 return -1;
1343 chapter += current;
1344 }
1345
1346 demux_flush(demuxer);
1347
1348 ris = stream_control(demuxer->stream, STREAM_CTRL_SEEK_TO_CHAPTER,
1349 &chapter);
1350 if (ris != STREAM_UNSUPPORTED)
1351 demux_control(demuxer, DEMUXER_CTRL_RESYNC, NULL);
1352 if (sh_video) {
1353 ds_fill_buffer(demuxer->video);
1354 resync_video_stream(sh_video);
1355 }
1356
1357 if (sh_audio) {
1358 ds_fill_buffer(demuxer->audio);
1359 resync_audio_stream(sh_audio);
1360 }
1361 // exit status may be ok, but main() doesn't have to seek itself
1362 // (because e.g. dvds depend on sectors, not on pts)
1363 *seek_pts = -1.0;
1364
1365 if (num_chapters) {
1366 if (stream_control(demuxer->stream, STREAM_CTRL_GET_NUM_CHAPTERS,
1367 num_chapters) == STREAM_UNSUPPORTED)
1368 *num_chapters = 0;
1369 }
1370
1371 if (chapter_name) {
1372 *chapter_name = NULL;
1373 if (num_chapters && *num_chapters) {
1374 char *tmp = malloc(16);
1375 if (tmp) {
1376 sprintf(tmp, " of %3d", *num_chapters);
1377 *chapter_name = tmp;
1378 }
1379 }
1380 }
1381
1382 return ris != STREAM_UNSUPPORTED ? chapter : -1;
1383 } else { // chapters structure is set in the demuxer
1384 total = demuxer->num_chapters;
1385
1386 if (mode == 1) //absolute seeking
1387 current = chapter;
1388 else { //relative seeking
1389 uint64_t now;
1390 now = (sh_video ? sh_video->pts : (sh_audio ? sh_audio->pts : 0.))
1391 * 1000 + .5;
1392
1393 for (current = total - 1; current >= 0; --current) {
1394 demux_chapter_t *chapter = demuxer->chapters + current;
1395 if (chapter->start <= now)
1396 break;
1397 }
1398 current += chapter;
1399 }
1400
1401 if (current >= total)
1402 return -1;
1403 if (current < 0)
1404 current = 0;
1405
1406 *seek_pts = demuxer->chapters[current].start / 1000.0;
1407
1408 if (num_chapters)
1409 *num_chapters = demuxer->num_chapters;
1410
1411 if (chapter_name) {
1412 if (demuxer->chapters[current].name)
1413 *chapter_name = strdup(demuxer->chapters[current].name);
1414 else
1415 *chapter_name = NULL;
1416 }
1417
1418 return current;
1419 }
1420 }
1421
1422 int demuxer_get_current_chapter(demuxer_t *demuxer)
1423 {
1424 int chapter = -1;
1425 if (!demuxer->num_chapters || !demuxer->chapters) {
1426 if (stream_control(demuxer->stream, STREAM_CTRL_GET_CURRENT_CHAPTER,
1427 &chapter) == STREAM_UNSUPPORTED)
1428 chapter = -1;
1429 } else {
1430 sh_video_t *sh_video = demuxer->video->sh;
1431 sh_audio_t *sh_audio = demuxer->audio->sh;
1432 uint64_t now;
1433 now = (sh_video ? sh_video->pts : (sh_audio ? sh_audio->pts : 0))
1434 * 1000 + 0.5;
1435 for (chapter = demuxer->num_chapters - 1; chapter >= 0; --chapter) {
1436 if (demuxer->chapters[chapter].start <= now)
1437 break;
1438 }
1439 }
1440 return chapter;
1441 }
1442
1443 char *demuxer_chapter_name(demuxer_t *demuxer, int chapter)
1444 {
1445 if (demuxer->num_chapters && demuxer->chapters) {
1446 if (chapter >= 0 && chapter < demuxer->num_chapters
1447 && demuxer->chapters[chapter].name)
1448 return strdup(demuxer->chapters[chapter].name);
1449 }
1450 return NULL;
1451 }
1452
1453 char *demuxer_chapter_display_name(demuxer_t *demuxer, int chapter)
1454 {
1455 char *chapter_name = demuxer_chapter_name(demuxer, chapter);
1456 if (chapter_name) {
1457 char *tmp = malloc(strlen(chapter_name) + 14);
1458 snprintf(tmp, 63, "(%d) %s", chapter + 1, chapter_name);
1459 free(chapter_name);
1460 return tmp;
1461 } else {
1462 int chapter_num = demuxer_chapter_count(demuxer);
1463 char tmp[30];
1464 if (chapter_num <= 0)
1465 sprintf(tmp, "(%d)", chapter + 1);
1466 else
1467 sprintf(tmp, "(%d) of %d", chapter + 1, chapter_num);
1468 return strdup(tmp);
1469 }
1470 }
1471
1472 float demuxer_chapter_time(demuxer_t *demuxer, int chapter, float *end)
1473 {
1474 if (demuxer->num_chapters && demuxer->chapters && chapter >= 0
1475 && chapter < demuxer->num_chapters) {
1476 if (end)
1477 *end = demuxer->chapters[chapter].end / 1000.0;
1478 return demuxer->chapters[chapter].start / 1000.0;
1479 }
1480 return -1.0;
1481 }
1482
1483 int demuxer_chapter_count(demuxer_t *demuxer)
1484 {
1485 if (!demuxer->num_chapters || !demuxer->chapters) {
1486 int num_chapters = 0;
1487 if (stream_control(demuxer->stream, STREAM_CTRL_GET_NUM_CHAPTERS,
1488 &num_chapters) == STREAM_UNSUPPORTED)
1489 num_chapters = 0;
1490 return num_chapters;
1491 } else
1492 return demuxer->num_chapters;
1493 }
1494
1495 int demuxer_angles_count(demuxer_t *demuxer)
1496 {
1497 int ris, angles = -1;
1498
1499 ris = stream_control(demuxer->stream, STREAM_CTRL_GET_NUM_ANGLES, &angles);
1500 if (ris == STREAM_UNSUPPORTED)
1501 return -1;
1502 return angles;
1503 }
1504
1505 int demuxer_get_current_angle(demuxer_t *demuxer)
1506 {
1507 int ris, curr_angle = -1;
1508 ris = stream_control(demuxer->stream, STREAM_CTRL_GET_ANGLE, &curr_angle);
1509 if (ris == STREAM_UNSUPPORTED)
1510 return -1;
1511 return curr_angle;
1512 }
1513
1514
1515 int demuxer_set_angle(demuxer_t *demuxer, int angle)
1516 {
1517 int ris, angles = -1;
1518 sh_video_t *sh_video = demuxer->video->sh;
1519 sh_audio_t *sh_audio = demuxer->audio->sh;
1520
1521 angles = demuxer_angles_count(demuxer);
1522 if ((angles < 1) || (angle > angles))
1523 return -1;
1524
1525 demux_flush(demuxer);
1526
1527 ris = stream_control(demuxer->stream, STREAM_CTRL_SET_ANGLE, &angle);
1528 if (ris == STREAM_UNSUPPORTED)
1529 return -1;
1530
1531 demux_control(demuxer, DEMUXER_CTRL_RESYNC, NULL);
1532 if (sh_video) {
1533 ds_fill_buffer(demuxer->video);
1534 resync_video_stream(sh_video);
1535 }
1536
1537 if (sh_audio) {
1538 ds_fill_buffer(demuxer->audio);
1539 resync_audio_stream(sh_audio);
1540 }
1541
1542 return angle;
1543 }
1544
1545 int demuxer_audio_track_by_lang(demuxer_t *d, char *lang)
1546 {
1547 int i, len;
1548 lang += strspn(lang, ",");
1549 while ((len = strcspn(lang, ",")) > 0) {
1550 for (i = 0; i < MAX_A_STREAMS; ++i) {
1551 sh_audio_t *sh = d->a_streams[i];
1552 if (sh && sh->lang && strncmp(sh->lang, lang, len) == 0)
1553 return sh->aid;
1554 }
1555 lang += len;
1556 lang += strspn(lang, ",");
1557 }
1558 return -1;
1559 }
1560
1561 int demuxer_sub_track_by_lang(demuxer_t *d, char *lang)
1562 {
1563 int i, len;
1564 lang += strspn(lang, ",");
1565 while ((len = strcspn(lang, ",")) > 0) {
1566 for (i = 0; i < MAX_S_STREAMS; ++i) {
1567 sh_sub_t *sh = d->s_streams[i];
1568 if (sh && sh->lang && strncmp(sh->lang, lang, len) == 0)
1569 return sh->sid;
1570 }
1571 lang += len;
1572 lang += strspn(lang, ",");
1573 }
1574 return -1;
1575 }
1576
1577 int demuxer_default_audio_track(demuxer_t *d)
1578 {
1579 int i;
1580 for (i = 0; i < MAX_A_STREAMS; ++i) {
1581 sh_audio_t *sh = d->a_streams[i];
1582 if (sh && sh->default_track)
1583 return sh->aid;
1584 }
1585 for (i = 0; i < MAX_A_STREAMS; ++i) {
1586 sh_audio_t *sh = d->a_streams[i];
1587 if (sh)
1588 return sh->aid;
1589 }
1590 return -1;
1591 }
1592
1593 int demuxer_default_sub_track(demuxer_t *d)
1594 {
1595 int i;
1596 for (i = 0; i < MAX_S_STREAMS; ++i) {
1597 sh_sub_t *sh = d->s_streams[i];
1598 if (sh && sh->default_track)
1599 return sh->sid;
1600 }
1601 return -1;
1602 }
mplayer with SMedia Glamo drivers