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Revert the xvmc part of r30422: VCR2 at least worked with xvmc at some point.
[mplayer/glamo.git] / libmpdemux / demuxer.c
blob36e94eb747d25fdeae8f14990914a94eb0823b06
1 /*
2 * DEMUXER v2.5
3 *
4 * This file is part of MPlayer.
5 *
6 * MPlayer is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * MPlayer is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License along
17 * with MPlayer; if not, write to the Free Software Foundation, Inc.,
18 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
19 */
20
21 #include <stdio.h>
22 #include <stdlib.h>
23 #include <string.h>
24 #include <unistd.h>
25
26 #include <sys/types.h>
27 #include <sys/stat.h>
28
29 #include "config.h"
30 #include "mp_msg.h"
31 #include "help_mp.h"
32 #include "m_config.h"
33
34 #include "libvo/fastmemcpy.h"
35
36 #include "stream/stream.h"
37 #include "demuxer.h"
38 #include "stheader.h"
39 #include "mf.h"
40
41 #include "libaf/af_format.h"
42 #include "libmpcodecs/dec_teletext.h"
43
44 #ifdef CONFIG_ASS
45 #include "libass/ass.h"
46 #include "libass/ass_mp.h"
47 #endif
48
49 #ifdef CONFIG_LIBAVCODEC
50 #include "libavcodec/avcodec.h"
51 #if MP_INPUT_BUFFER_PADDING_SIZE < FF_INPUT_BUFFER_PADDING_SIZE
52 #error MP_INPUT_BUFFER_PADDING_SIZE is too small!
53 #endif
54 #endif
55
56 // This is quite experimental, in particular it will mess up the pts values
57 // in the queue - on the other hand it might fix some issues like generating
58 // broken files with mencoder and stream copy.
59 // Better leave it disabled for now, if we find no use for it this code should
60 // just be removed again.
61 #define PARSE_ON_ADD 0
62
63 static void clear_parser(sh_common_t *sh);
64 void resync_video_stream(sh_video_t *sh_video);
65 void resync_audio_stream(sh_audio_t *sh_audio);
66
67 // Demuxer list
68 extern const demuxer_desc_t demuxer_desc_rawaudio;
69 extern const demuxer_desc_t demuxer_desc_rawvideo;
70 extern const demuxer_desc_t demuxer_desc_tv;
71 extern const demuxer_desc_t demuxer_desc_mf;
72 extern const demuxer_desc_t demuxer_desc_avi;
73 extern const demuxer_desc_t demuxer_desc_y4m;
74 extern const demuxer_desc_t demuxer_desc_asf;
75 extern const demuxer_desc_t demuxer_desc_real;
76 extern const demuxer_desc_t demuxer_desc_smjpeg;
77 extern const demuxer_desc_t demuxer_desc_matroska;
78 extern const demuxer_desc_t demuxer_desc_realaudio;
79 extern const demuxer_desc_t demuxer_desc_vqf;
80 extern const demuxer_desc_t demuxer_desc_mov;
81 extern const demuxer_desc_t demuxer_desc_vivo;
82 extern const demuxer_desc_t demuxer_desc_fli;
83 extern const demuxer_desc_t demuxer_desc_film;
84 extern const demuxer_desc_t demuxer_desc_roq;
85 extern const demuxer_desc_t demuxer_desc_gif;
86 extern const demuxer_desc_t demuxer_desc_ogg;
87 extern const demuxer_desc_t demuxer_desc_avs;
88 extern const demuxer_desc_t demuxer_desc_pva;
89 extern const demuxer_desc_t demuxer_desc_nsv;
90 extern const demuxer_desc_t demuxer_desc_mpeg_ts;
91 extern const demuxer_desc_t demuxer_desc_lmlm4;
92 extern const demuxer_desc_t demuxer_desc_mpeg_ps;
93 extern const demuxer_desc_t demuxer_desc_mpeg_pes;
94 extern const demuxer_desc_t demuxer_desc_mpeg_es;
95 extern const demuxer_desc_t demuxer_desc_mpeg_gxf;
96 extern const demuxer_desc_t demuxer_desc_mpeg4_es;
97 extern const demuxer_desc_t demuxer_desc_h264_es;
98 extern const demuxer_desc_t demuxer_desc_rawdv;
99 extern const demuxer_desc_t demuxer_desc_mpc;
100 extern const demuxer_desc_t demuxer_desc_audio;
101 extern const demuxer_desc_t demuxer_desc_xmms;
102 extern const demuxer_desc_t demuxer_desc_mpeg_ty;
103 extern const demuxer_desc_t demuxer_desc_rtp;
104 extern const demuxer_desc_t demuxer_desc_rtp_nemesi;
105 extern const demuxer_desc_t demuxer_desc_lavf;
106 extern const demuxer_desc_t demuxer_desc_lavf_preferred;
107 extern const demuxer_desc_t demuxer_desc_aac;
108 extern const demuxer_desc_t demuxer_desc_nut;
109 extern const demuxer_desc_t demuxer_desc_mng;
110
111 /* Please do not add any new demuxers here. If you want to implement a new
112 * demuxer, add it to libavformat, except for wrappers around external
113 * libraries and demuxers requiring binary support. */
114
115 const demuxer_desc_t *const demuxer_list[] = {
116 &demuxer_desc_rawaudio,
117 &demuxer_desc_rawvideo,
118 #ifdef CONFIG_TV
119 &demuxer_desc_tv,
120 #endif
121 &demuxer_desc_mf,
122 #ifdef CONFIG_LIBAVFORMAT
123 &demuxer_desc_lavf_preferred,
124 #endif
125 &demuxer_desc_avi,
126 &demuxer_desc_y4m,
127 &demuxer_desc_asf,
128 &demuxer_desc_nsv,
129 &demuxer_desc_real,
130 &demuxer_desc_smjpeg,
131 &demuxer_desc_matroska,
132 &demuxer_desc_realaudio,
133 &demuxer_desc_vqf,
134 &demuxer_desc_mov,
135 &demuxer_desc_vivo,
136 &demuxer_desc_fli,
137 &demuxer_desc_film,
138 &demuxer_desc_roq,
139 #ifdef CONFIG_GIF
140 &demuxer_desc_gif,
141 #endif
142 #ifdef CONFIG_OGGVORBIS
143 &demuxer_desc_ogg,
144 #endif
145 #ifdef CONFIG_WIN32DLL
146 &demuxer_desc_avs,
147 #endif
148 &demuxer_desc_pva,
149 &demuxer_desc_mpeg_ts,
150 &demuxer_desc_lmlm4,
151 &demuxer_desc_mpeg_ps,
152 &demuxer_desc_mpeg_pes,
153 &demuxer_desc_mpeg_es,
154 &demuxer_desc_mpeg_gxf,
155 &demuxer_desc_mpeg4_es,
156 &demuxer_desc_h264_es,
157 &demuxer_desc_audio,
158 &demuxer_desc_mpeg_ty,
159 #ifdef CONFIG_LIVE555
160 &demuxer_desc_rtp,
161 #endif
162 #ifdef CONFIG_LIBNEMESI
163 &demuxer_desc_rtp_nemesi,
164 #endif
165 #ifdef CONFIG_LIBAVFORMAT
166 &demuxer_desc_lavf,
167 #endif
168 #ifdef CONFIG_MUSEPACK
169 &demuxer_desc_mpc,
170 #endif
171 #ifdef CONFIG_LIBDV095
172 &demuxer_desc_rawdv,
173 #endif
174 &demuxer_desc_aac,
175 #ifdef CONFIG_LIBNUT
176 &demuxer_desc_nut,
177 #endif
178 #ifdef CONFIG_XMMS
179 &demuxer_desc_xmms,
180 #endif
181 #ifdef CONFIG_MNG
182 &demuxer_desc_mng,
183 #endif
184 /* Please do not add any new demuxers here. If you want to implement a new
185 * demuxer, add it to libavformat, except for wrappers around external
186 * libraries and demuxers requiring binary support. */
187 NULL
188 };
189
190 void free_demuxer_stream(demux_stream_t *ds)
191 {
192 ds_free_packs(ds);
193 free(ds);
194 }
195
196 demux_stream_t *new_demuxer_stream(struct demuxer_st *demuxer, int id)
197 {
198 demux_stream_t *ds = malloc(sizeof(demux_stream_t));
199 *ds = (demux_stream_t){
200 .id = id,
201 .demuxer = demuxer,
202 .asf_seq = -1,
203 };
204 return ds;
205 }
206
207
208 /**
209 * Get demuxer description structure for a given demuxer type
210 *
211 * @param file_format type of the demuxer
212 * @return structure for the demuxer, NULL if not found
213 */
214 static const demuxer_desc_t *get_demuxer_desc_from_type(int file_format)
215 {
216 int i;
217
218 for (i = 0; demuxer_list[i]; i++)
219 if (file_format == demuxer_list[i]->type)
220 return demuxer_list[i];
221
222 return NULL;
223 }
224
225
226 demuxer_t *new_demuxer(stream_t *stream, int type, int a_id, int v_id,
227 int s_id, char *filename)
228 {
229 demuxer_t *d = malloc(sizeof(demuxer_t));
230 memset(d, 0, sizeof(demuxer_t));
231 d->stream = stream;
232 d->stream_pts = MP_NOPTS_VALUE;
233 d->reference_clock = MP_NOPTS_VALUE;
234 d->movi_start = stream->start_pos;
235 d->movi_end = stream->end_pos;
236 d->seekable = 1;
237 d->synced = 0;
238 d->filepos = -1;
239 d->audio = new_demuxer_stream(d, a_id);
240 d->video = new_demuxer_stream(d, v_id);
241 d->sub = new_demuxer_stream(d, s_id);
242 d->type = type;
243 if (type)
244 if (!(d->desc = get_demuxer_desc_from_type(type)))
245 mp_msg(MSGT_DEMUXER, MSGL_ERR,
246 "BUG! Invalid demuxer type in new_demuxer(), "
247 "big troubles ahead.");
248 if (filename) // Filename hack for avs_check_file
249 d->filename = strdup(filename);
250 stream_reset(stream);
251 stream_seek(stream, stream->start_pos);
252 return d;
253 }
254
255 extern int dvdsub_id;
256
257 sh_sub_t *new_sh_sub_sid(demuxer_t *demuxer, int id, int sid)
258 {
259 if (id > MAX_S_STREAMS - 1 || id < 0) {
260 mp_msg(MSGT_DEMUXER, MSGL_WARN,
261 "Requested sub stream id overflow (%d > %d)\n", id,
262 MAX_S_STREAMS);
263 return NULL;
264 }
265 if (demuxer->s_streams[id])
266 mp_msg(MSGT_DEMUXER, MSGL_WARN, "Sub stream %i redefined\n", id);
267 else {
268 sh_sub_t *sh = calloc(1, sizeof(sh_sub_t));
269 demuxer->s_streams[id] = sh;
270 sh->sid = sid;
271 mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_SUBTITLE_ID=%d\n", sid);
272 }
273 if (sid == dvdsub_id) {
274 demuxer->sub->id = id;
275 demuxer->sub->sh = demuxer->s_streams[id];
276 }
277 return demuxer->s_streams[id];
278 }
279
280 void free_sh_sub(sh_sub_t *sh)
281 {
282 mp_msg(MSGT_DEMUXER, MSGL_DBG2, "DEMUXER: freeing sh_sub at %p\n", sh);
283 free(sh->extradata);
284 #ifdef CONFIG_ASS
285 if (sh->ass_track)
286 ass_free_track(sh->ass_track);
287 #endif
288 free(sh->lang);
289 #ifdef CONFIG_LIBAVCODEC
290 clear_parser((sh_common_t *)sh);
291 #endif
292 free(sh);
293 }
294
295 sh_audio_t *new_sh_audio_aid(demuxer_t *demuxer, int id, int aid)
296 {
297 if (id > MAX_A_STREAMS - 1 || id < 0) {
298 mp_msg(MSGT_DEMUXER, MSGL_WARN,
299 "Requested audio stream id overflow (%d > %d)\n", id,
300 MAX_A_STREAMS);
301 return NULL;
302 }
303 if (demuxer->a_streams[id])
304 mp_msg(MSGT_DEMUXER, MSGL_WARN, MSGTR_AudioStreamRedefined, id);
305 else {
306 sh_audio_t *sh = calloc(1, sizeof(sh_audio_t));
307 mp_msg(MSGT_DEMUXER, MSGL_V, MSGTR_FoundAudioStream, id);
308 demuxer->a_streams[id] = sh;
309 sh->aid = aid;
310 sh->ds = demuxer->audio;
311 // set some defaults
312 sh->samplesize = 2;
313 sh->sample_format = AF_FORMAT_S16_NE;
314 sh->audio_out_minsize = 8192; /* default size, maybe not enough for Win32/ACM */
315 sh->pts = MP_NOPTS_VALUE;
316 mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_AUDIO_ID=%d\n", aid);
317 }
318 return demuxer->a_streams[id];
319 }
320
321 void free_sh_audio(demuxer_t *demuxer, int id)
322 {
323 sh_audio_t *sh = demuxer->a_streams[id];
324 demuxer->a_streams[id] = NULL;
325 mp_msg(MSGT_DEMUXER, MSGL_DBG2, "DEMUXER: freeing sh_audio at %p\n", sh);
326 free(sh->wf);
327 free(sh->codecdata);
328 free(sh->lang);
329 #ifdef CONFIG_LIBAVCODEC
330 clear_parser((sh_common_t *)sh);
331 #endif
332 free(sh);
333 }
334
335 sh_video_t *new_sh_video_vid(demuxer_t *demuxer, int id, int vid)
336 {
337 if (id > MAX_V_STREAMS - 1 || id < 0) {
338 mp_msg(MSGT_DEMUXER, MSGL_WARN,
339 "Requested video stream id overflow (%d > %d)\n", id,
340 MAX_V_STREAMS);
341 return NULL;
342 }
343 if (demuxer->v_streams[id])
344 mp_msg(MSGT_DEMUXER, MSGL_WARN, MSGTR_VideoStreamRedefined, id);
345 else {
346 sh_video_t *sh = calloc(1, sizeof(sh_video_t));
347 mp_msg(MSGT_DEMUXER, MSGL_V, MSGTR_FoundVideoStream, id);
348 demuxer->v_streams[id] = sh;
349 sh->vid = vid;
350 sh->ds = demuxer->video;
351 mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_VIDEO_ID=%d\n", vid);
352 }
353 return demuxer->v_streams[id];
354 }
355
356 void free_sh_video(sh_video_t *sh)
357 {
358 mp_msg(MSGT_DEMUXER, MSGL_DBG2, "DEMUXER: freeing sh_video at %p\n", sh);
359 free(sh->bih);
360 #ifdef CONFIG_LIBAVCODEC
361 clear_parser((sh_common_t *)sh);
362 #endif
363 free(sh);
364 }
365
366 void free_demuxer(demuxer_t *demuxer)
367 {
368 int i;
369 mp_msg(MSGT_DEMUXER, MSGL_DBG2, "DEMUXER: freeing demuxer at %p\n",
370 demuxer);
371 if (demuxer->desc->close)
372 demuxer->desc->close(demuxer);
373 // Very ugly hack to make it behave like old implementation
374 if (demuxer->desc->type == DEMUXER_TYPE_DEMUXERS)
375 goto skip_streamfree;
376 // free streams:
377 for (i = 0; i < MAX_A_STREAMS; i++)
378 if (demuxer->a_streams[i])
379 free_sh_audio(demuxer, i);
380 for (i = 0; i < MAX_V_STREAMS; i++)
381 if (demuxer->v_streams[i])
382 free_sh_video(demuxer->v_streams[i]);
383 for (i = 0; i < MAX_S_STREAMS; i++)
384 if (demuxer->s_streams[i])
385 free_sh_sub(demuxer->s_streams[i]);
386 // free demuxers:
387 free_demuxer_stream(demuxer->audio);
388 free_demuxer_stream(demuxer->video);
389 free_demuxer_stream(demuxer->sub);
390 skip_streamfree:
391 if (demuxer->info) {
392 for (i = 0; demuxer->info[i] != NULL; i++)
393 free(demuxer->info[i]);
394 free(demuxer->info);
395 }
396 free(demuxer->filename);
397 if (demuxer->chapters) {
398 for (i = 0; i < demuxer->num_chapters; i++)
399 free(demuxer->chapters[i].name);
400 free(demuxer->chapters);
401 }
402 if (demuxer->attachments) {
403 for (i = 0; i < demuxer->num_attachments; i++) {
404 free(demuxer->attachments[i].name);
405 free(demuxer->attachments[i].type);
406 free(demuxer->attachments[i].data);
407 }
408 free(demuxer->attachments);
409 }
410 if (demuxer->teletext)
411 teletext_control(demuxer->teletext, TV_VBI_CONTROL_STOP, NULL);
412 free(demuxer);
413 }
414
415
416 static void ds_add_packet_internal(demux_stream_t *ds, demux_packet_t *dp)
417 {
418 // append packet to DS stream:
419 ++ds->packs;
420 ds->bytes += dp->len;
421 if (ds->last) {
422 // next packet in stream
423 ds->last->next = dp;
424 ds->last = dp;
425 } else {
426 // first packet in stream
427 ds->first = ds->last = dp;
428 }
429 mp_dbg(MSGT_DEMUXER, MSGL_DBG2,
430 "DEMUX: Append packet to %s, len=%d pts=%5.3f pos=%u [packs: A=%d V=%d]\n",
431 (ds == ds->demuxer->audio) ? "d_audio" : "d_video", dp->len,
432 dp->pts, (unsigned int) dp->pos, ds->demuxer->audio->packs,
433 ds->demuxer->video->packs);
434 }
435
436 #ifdef CONFIG_LIBAVCODEC
437 static void allocate_parser(AVCodecContext **avctx, AVCodecParserContext **parser, unsigned format)
438 {
439 enum CodecID codec_id = CODEC_ID_NONE;
440 extern int avcodec_initialized;
441 if (!avcodec_initialized) {
442 avcodec_init();
443 avcodec_register_all();
444 avcodec_initialized = 1;
445 }
446 switch (format) {
447 case 0x2000:
448 case 0x332D6361:
449 case 0x332D4341:
450 case MKTAG('d', 'n', 'e', 't'):
451 case MKTAG('s', 'a', 'c', '3'):
452 codec_id = CODEC_ID_AC3;
453 break;
454 case MKTAG('E', 'A', 'C', '3'):
455 codec_id = CODEC_ID_EAC3;
456 break;
457 case 0x2001:
458 case 0x86:
459 codec_id = CODEC_ID_DTS;
460 break;
461 case 0x55:
462 case 0x5500736d:
463 case MKTAG('.', 'm', 'p', '3'):
464 case MKTAG('M', 'P', 'E', ' '):
465 case MKTAG('L', 'A', 'M', 'E'):
466 codec_id = CODEC_ID_MP3;
467 break;
468 case 0x50:
469 case MKTAG('.', 'm', 'p', '2'):
470 case MKTAG('.', 'm', 'p', '1'):
471 codec_id = CODEC_ID_MP2;
472 break;
473 }
474 if (codec_id != CODEC_ID_NONE) {
475 *avctx = avcodec_alloc_context();
476 if (!*avctx)
477 return;
478 *parser = av_parser_init(codec_id);
479 if (!*parser)
480 av_freep(avctx);
481 }
482 }
483
484 static void get_parser(sh_common_t *sh, AVCodecContext **avctx, AVCodecParserContext **parser)
485 {
486 *avctx = NULL;
487 *parser = NULL;
488
489 if (!sh || !sh->needs_parsing)
490 return;
491
492 *avctx = sh->avctx;
493 *parser = sh->parser;
494 if (*parser)
495 return;
496
497 allocate_parser(avctx, parser, sh->format);
498 sh->avctx = *avctx;
499 sh->parser = *parser;
500 }
501
502 int ds_parse(demux_stream_t *ds, uint8_t **buffer, int *len, double pts, off_t pos)
503 {
504 AVCodecContext *avctx;
505 AVCodecParserContext *parser;
506 get_parser(ds->sh, &avctx, &parser);
507 if (!parser)
508 return *len;
509 return av_parser_parse2(parser, avctx, buffer, len, *buffer, *len, pts, pts, pos);
510 }
511
512 static void clear_parser(sh_common_t *sh)
513 {
514 av_parser_close(sh->parser);
515 sh->parser = NULL;
516 av_freep(&sh->avctx);
517 }
518
519 void ds_clear_parser(demux_stream_t *ds)
520 {
521 if (!ds->sh)
522 return;
523 clear_parser(ds->sh);
524 }
525 #endif
526
527 void ds_add_packet(demux_stream_t *ds, demux_packet_t *dp)
528 {
529 #if PARSE_ON_ADD && defined(CONFIG_LIBAVCODEC)
530 int len = dp->len;
531 int pos = 0;
532 while (len > 0) {
533 uint8_t *parsed_start = dp->buffer + pos;
534 int parsed_len = len;
535 int consumed = ds_parse(ds->sh, &parsed_start, &parsed_len, dp->pts, dp->pos);
536 pos += consumed;
537 len -= consumed;
538 if (parsed_start == dp->buffer && parsed_len == dp->len) {
539 ds_add_packet_internal(ds, dp);
540 } else if (parsed_len) {
541 demux_packet_t *dp2 = new_demux_packet(parsed_len);
542 dp2->pos = dp->pos;
543 dp2->pts = dp->pts; // should be parser->pts but that works badly
544 memcpy(dp2->buffer, parsed_start, parsed_len);
545 ds_add_packet_internal(ds, dp2);
546 }
547 }
548 #else
549 ds_add_packet_internal(ds, dp);
550 #endif
551 }
552
553 void ds_read_packet(demux_stream_t *ds, stream_t *stream, int len,
554 double pts, off_t pos, int flags)
555 {
556 demux_packet_t *dp = new_demux_packet(len);
557 len = stream_read(stream, dp->buffer, len);
558 resize_demux_packet(dp, len);
559 dp->pts = pts;
560 dp->pos = pos;
561 dp->flags = flags;
562 // append packet to DS stream:
563 ds_add_packet(ds, dp);
564 }
565
566 // return value:
567 // 0 = EOF or no stream found or invalid type
568 // 1 = successfully read a packet
569
570 int demux_fill_buffer(demuxer_t *demux, demux_stream_t *ds)
571 {
572 // Note: parameter 'ds' can be NULL!
573 return demux->desc->fill_buffer(demux, ds);
574 }
575
576 // return value:
577 // 0 = EOF
578 // 1 = successful
579 #define MAX_ACUMULATED_PACKETS 64
580 int ds_fill_buffer(demux_stream_t *ds)
581 {
582 demuxer_t *demux = ds->demuxer;
583 if (ds->current)
584 free_demux_packet(ds->current);
585 ds->current = NULL;
586 if (mp_msg_test(MSGT_DEMUXER, MSGL_DBG3)) {
587 if (ds == demux->audio)
588 mp_dbg(MSGT_DEMUXER, MSGL_DBG3,
589 "ds_fill_buffer(d_audio) called\n");
590 else if (ds == demux->video)
591 mp_dbg(MSGT_DEMUXER, MSGL_DBG3,
592 "ds_fill_buffer(d_video) called\n");
593 else if (ds == demux->sub)
594 mp_dbg(MSGT_DEMUXER, MSGL_DBG3, "ds_fill_buffer(d_sub) called\n");
595 else
596 mp_dbg(MSGT_DEMUXER, MSGL_DBG3,
597 "ds_fill_buffer(unknown 0x%X) called\n", (unsigned int) ds);
598 }
599 while (1) {
600 if (ds->packs) {
601 demux_packet_t *p = ds->first;
602 #if 0
603 if (demux->reference_clock != MP_NOPTS_VALUE) {
604 if ( p->pts != MP_NOPTS_VALUE
605 && p->pts > demux->reference_clock
606 && ds->packs < MAX_ACUMULATED_PACKETS) {
607 if (demux_fill_buffer(demux, ds))
608 continue;
609 }
610 }
611 #endif
612 // copy useful data:
613 ds->buffer = p->buffer;
614 ds->buffer_pos = 0;
615 ds->buffer_size = p->len;
616 ds->pos = p->pos;
617 ds->dpos += p->len; // !!!
618 ++ds->pack_no;
619 if (p->pts != MP_NOPTS_VALUE) {
620 ds->pts = p->pts;
621 ds->pts_bytes = 0;
622 }
623 ds->pts_bytes += p->len; // !!!
624 if (p->stream_pts != MP_NOPTS_VALUE)
625 demux->stream_pts = p->stream_pts;
626 ds->flags = p->flags;
627 // unlink packet:
628 ds->bytes -= p->len;
629 ds->current = p;
630 ds->first = p->next;
631 if (!ds->first)
632 ds->last = NULL;
633 --ds->packs;
634 return 1;
635 }
636 if (demux->audio->packs >= MAX_PACKS
637 || demux->audio->bytes >= MAX_PACK_BYTES) {
638 mp_msg(MSGT_DEMUXER, MSGL_ERR, MSGTR_TooManyAudioInBuffer,
639 demux->audio->packs, demux->audio->bytes);
640 mp_msg(MSGT_DEMUXER, MSGL_HINT, MSGTR_MaybeNI);
641 break;
642 }
643 if (demux->video->packs >= MAX_PACKS
644 || demux->video->bytes >= MAX_PACK_BYTES) {
645 mp_msg(MSGT_DEMUXER, MSGL_ERR, MSGTR_TooManyVideoInBuffer,
646 demux->video->packs, demux->video->bytes);
647 mp_msg(MSGT_DEMUXER, MSGL_HINT, MSGTR_MaybeNI);
648 break;
649 }
650 if (!demux_fill_buffer(demux, ds)) {
651 #if PARSE_ON_ADD && defined(CONFIG_LIBAVCODEC)
652 uint8_t *parsed_start = NULL;
653 int parsed_len = 0;
654 ds_parse(ds->sh, &parsed_start, &parsed_len, MP_NOPTS_VALUE, 0);
655 if (parsed_len) {
656 demux_packet_t *dp2 = new_demux_packet(parsed_len);
657 dp2->pts = MP_NOPTS_VALUE;
658 memcpy(dp2->buffer, parsed_start, parsed_len);
659 ds_add_packet_internal(ds, dp2);
660 continue;
661 }
662 #endif
663 mp_dbg(MSGT_DEMUXER, MSGL_DBG2,
664 "ds_fill_buffer()->demux_fill_buffer() failed\n");
665 break; // EOF
666 }
667 }
668 ds->buffer_pos = ds->buffer_size = 0;
669 ds->buffer = NULL;
670 mp_msg(MSGT_DEMUXER, MSGL_V,
671 "ds_fill_buffer: EOF reached (stream: %s) \n",
672 ds == demux->audio ? "audio" : "video");
673 ds->eof = 1;
674 return 0;
675 }
676
677 int demux_read_data(demux_stream_t *ds, unsigned char *mem, int len)
678 {
679 int x;
680 int bytes = 0;
681 while (len > 0) {
682 x = ds->buffer_size - ds->buffer_pos;
683 if (x == 0) {
684 if (!ds_fill_buffer(ds))
685 return bytes;
686 } else {
687 if (x > len)
688 x = len;
689 if (mem)
690 fast_memcpy(mem + bytes, &ds->buffer[ds->buffer_pos], x);
691 bytes += x;
692 len -= x;
693 ds->buffer_pos += x;
694 }
695 }
696 return bytes;
697 }
698
699 /**
700 * \brief read data until the given 3-byte pattern is encountered, up to maxlen
701 * \param mem memory to read data into, may be NULL to discard data
702 * \param maxlen maximum number of bytes to read
703 * \param read number of bytes actually read
704 * \param pattern pattern to search for (lowest 8 bits are ignored)
705 * \return whether pattern was found
706 */
707 int demux_pattern_3(demux_stream_t *ds, unsigned char *mem, int maxlen,
708 int *read, uint32_t pattern)
709 {
710 register uint32_t head = 0xffffff00;
711 register uint32_t pat = pattern & 0xffffff00;
712 int total_len = 0;
713 do {
714 register unsigned char *ds_buf = &ds->buffer[ds->buffer_size];
715 int len = ds->buffer_size - ds->buffer_pos;
716 register long pos = -len;
717 if (unlikely(pos >= 0)) { // buffer is empty
718 ds_fill_buffer(ds);
719 continue;
720 }
721 do {
722 head |= ds_buf[pos];
723 head <<= 8;
724 } while (++pos && head != pat);
725 len += pos;
726 if (total_len + len > maxlen)
727 len = maxlen - total_len;
728 len = demux_read_data(ds, mem ? &mem[total_len] : NULL, len);
729 total_len += len;
730 } while ((head != pat || total_len < 3) && total_len < maxlen && !ds->eof);
731 if (read)
732 *read = total_len;
733 return total_len >= 3 && head == pat;
734 }
735
736 void ds_free_packs(demux_stream_t *ds)
737 {
738 demux_packet_t *dp = ds->first;
739 while (dp) {
740 demux_packet_t *dn = dp->next;
741 free_demux_packet(dp);
742 dp = dn;
743 }
744 if (ds->asf_packet) {
745 // free unfinished .asf fragments:
746 free(ds->asf_packet->buffer);
747 free(ds->asf_packet);
748 ds->asf_packet = NULL;
749 }
750 ds->first = ds->last = NULL;
751 ds->packs = 0; // !!!!!
752 ds->bytes = 0;
753 if (ds->current)
754 free_demux_packet(ds->current);
755 ds->current = NULL;
756 ds->buffer = NULL;
757 ds->buffer_pos = ds->buffer_size;
758 ds->pts = 0;
759 ds->pts_bytes = 0;
760 }
761
762 int ds_get_packet(demux_stream_t *ds, unsigned char **start)
763 {
764 int len;
765 if (ds->buffer_pos >= ds->buffer_size) {
766 if (!ds_fill_buffer(ds)) {
767 // EOF
768 *start = NULL;
769 return -1;
770 }
771 }
772 len = ds->buffer_size - ds->buffer_pos;
773 *start = &ds->buffer[ds->buffer_pos];
774 ds->buffer_pos += len;
775 return len;
776 }
777
778 int ds_get_packet_pts(demux_stream_t *ds, unsigned char **start, double *pts)
779 {
780 int len;
781 *pts = MP_NOPTS_VALUE;
782 len = ds_get_packet(ds, start);
783 if (len < 0)
784 return len;
785 // Return pts unless this read starts from the middle of a packet
786 if (len == ds->buffer_pos)
787 *pts = ds->current->pts;
788 return len;
789 }
790
791 int ds_get_packet_sub(demux_stream_t *ds, unsigned char **start)
792 {
793 int len;
794 if (ds->buffer_pos >= ds->buffer_size) {
795 *start = NULL;
796 if (!ds->packs)
797 return -1; // no sub
798 if (!ds_fill_buffer(ds))
799 return -1; // EOF
800 }
801 len = ds->buffer_size - ds->buffer_pos;
802 *start = &ds->buffer[ds->buffer_pos];
803 ds->buffer_pos += len;
804 return len;
805 }
806
807 double ds_get_next_pts(demux_stream_t *ds)
808 {
809 demuxer_t *demux = ds->demuxer;
810 while (!ds->first) {
811 if (demux->audio->packs >= MAX_PACKS
812 || demux->audio->bytes >= MAX_PACK_BYTES) {
813 mp_msg(MSGT_DEMUXER, MSGL_ERR, MSGTR_TooManyAudioInBuffer,
814 demux->audio->packs, demux->audio->bytes);
815 mp_msg(MSGT_DEMUXER, MSGL_HINT, MSGTR_MaybeNI);
816 return MP_NOPTS_VALUE;
817 }
818 if (demux->video->packs >= MAX_PACKS
819 || demux->video->bytes >= MAX_PACK_BYTES) {
820 mp_msg(MSGT_DEMUXER, MSGL_ERR, MSGTR_TooManyVideoInBuffer,
821 demux->video->packs, demux->video->bytes);
822 mp_msg(MSGT_DEMUXER, MSGL_HINT, MSGTR_MaybeNI);
823 return MP_NOPTS_VALUE;
824 }
825 if (!demux_fill_buffer(demux, ds))
826 return MP_NOPTS_VALUE;
827 }
828 return ds->first->pts;
829 }
830
831 // ====================================================================
832
833 void demuxer_help(void)
834 {
835 int i;
836
837 mp_msg(MSGT_DEMUXER, MSGL_INFO, "Available demuxers:\n");
838 mp_msg(MSGT_DEMUXER, MSGL_INFO, " demuxer: type info: (comment)\n");
839 mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_DEMUXERS\n");
840 for (i = 0; demuxer_list[i]; i++) {
841 if (demuxer_list[i]->type > DEMUXER_TYPE_MAX) // Don't display special demuxers
842 continue;
843 if (demuxer_list[i]->comment && strlen(demuxer_list[i]->comment))
844 mp_msg(MSGT_DEMUXER, MSGL_INFO, "%10s %2d %s (%s)\n",
845 demuxer_list[i]->name, demuxer_list[i]->type,
846 demuxer_list[i]->info, demuxer_list[i]->comment);
847 else
848 mp_msg(MSGT_DEMUXER, MSGL_INFO, "%10s %2d %s\n",
849 demuxer_list[i]->name, demuxer_list[i]->type,
850 demuxer_list[i]->info);
851 }
852 }
853
854
855 /**
856 * Get demuxer type for a given demuxer name
857 *
858 * @param demuxer_name string with demuxer name of demuxer number
859 * @param force will be set if demuxer should be forced.
860 * May be NULL.
861 * @return DEMUXER_TYPE_xxx, -1 if error or not found
862 */
863 int get_demuxer_type_from_name(char *demuxer_name, int *force)
864 {
865 int i;
866 long type_int;
867 char *endptr;
868
869 if (!demuxer_name || !demuxer_name[0])
870 return DEMUXER_TYPE_UNKNOWN;
871 if (force)
872 *force = demuxer_name[0] == '+';
873 if (demuxer_name[0] == '+')
874 demuxer_name = &demuxer_name[1];
875 for (i = 0; demuxer_list[i]; i++) {
876 if (demuxer_list[i]->type > DEMUXER_TYPE_MAX) // Can't select special demuxers from commandline
877 continue;
878 if (strcmp(demuxer_name, demuxer_list[i]->name) == 0)
879 return demuxer_list[i]->type;
880 }
881
882 // No match found, try to parse name as an integer (demuxer number)
883 type_int = strtol(demuxer_name, &endptr, 0);
884 if (*endptr) // Conversion failed
885 return -1;
886 if ((type_int > 0) && (type_int <= DEMUXER_TYPE_MAX))
887 return (int) type_int;
888
889 return -1;
890 }
891
892 int extension_parsing = 1; // 0=off 1=mixed (used only for unstable formats)
893
894 int correct_pts = 0;
895 int user_correct_pts = -1;
896
897 /*
898 NOTE : Several demuxers may be opened at the same time so
899 demuxers should NEVER rely on an external var to enable them
900 self. If a demuxer can't do any auto-detection it should only use
901 file_format. The user can explicitly set file_format with the -demuxer
902 option so there is really no need for another extra var.
903 For convenience an option can be added to set file_format directly
904 to the right type (ex: rawaudio,rawvideo).
905 Also the stream can override the file_format so a demuxer which rely
906 on a special stream type can set file_format at the stream level
907 (ex: tv,mf).
908 */
909
910 static demuxer_t *demux_open_stream(stream_t *stream, int file_format,
911 int force, int audio_id, int video_id,
912 int dvdsub_id, char *filename)
913 {
914 demuxer_t *demuxer = NULL;
915
916 sh_video_t *sh_video = NULL;
917
918 const demuxer_desc_t *demuxer_desc;
919 int fformat = 0;
920 int i;
921
922 // If somebody requested a demuxer check it
923 if (file_format) {
924 if ((demuxer_desc = get_demuxer_desc_from_type(file_format))) {
925 demuxer = new_demuxer(stream, demuxer_desc->type, audio_id,
926 video_id, dvdsub_id, filename);
927 if (demuxer_desc->check_file)
928 fformat = demuxer_desc->check_file(demuxer);
929 if (force || !demuxer_desc->check_file)
930 fformat = demuxer_desc->type;
931 if (fformat != 0) {
932 if (fformat == demuxer_desc->type) {
933 demuxer_t *demux2 = demuxer;
934 // Move messages to demuxer detection code?
935 mp_msg(MSGT_DEMUXER, MSGL_INFO,
936 MSGTR_Detected_XXX_FileFormat,
937 demuxer_desc->shortdesc);
938 file_format = fformat;
939 if (!demuxer->desc->open
940 || (demux2 = demuxer->desc->open(demuxer))) {
941 demuxer = demux2;
942 goto dmx_open;
943 }
944 } else {
945 // Format changed after check, recurse
946 free_demuxer(demuxer);
947 return demux_open_stream(stream, fformat, force, audio_id,
948 video_id, dvdsub_id, filename);
949 }
950 }
951 // Check failed for forced demuxer, quit
952 free_demuxer(demuxer);
953 return NULL;
954 }
955 }
956 // Test demuxers with safe file checks
957 for (i = 0; (demuxer_desc = demuxer_list[i]); i++) {
958 if (demuxer_desc->safe_check) {
959 demuxer = new_demuxer(stream, demuxer_desc->type, audio_id,
960 video_id, dvdsub_id, filename);
961 if ((fformat = demuxer_desc->check_file(demuxer)) != 0) {
962 if (fformat == demuxer_desc->type) {
963 demuxer_t *demux2 = demuxer;
964 mp_msg(MSGT_DEMUXER, MSGL_INFO,
965 MSGTR_Detected_XXX_FileFormat,
966 demuxer_desc->shortdesc);
967 file_format = fformat;
968 if (!demuxer->desc->open
969 || (demux2 = demuxer->desc->open(demuxer))) {
970 demuxer = demux2;
971 goto dmx_open;
972 }
973 } else {
974 if (fformat == DEMUXER_TYPE_PLAYLIST)
975 return demuxer; // handled in mplayer.c
976 // Format changed after check, recurse
977 free_demuxer(demuxer);
978 demuxer = demux_open_stream(stream, fformat, force,
979 audio_id, video_id,
980 dvdsub_id, filename);
981 if (demuxer)
982 return demuxer; // done!
983 file_format = DEMUXER_TYPE_UNKNOWN;
984 }
985 }
986 free_demuxer(demuxer);
987 demuxer = NULL;
988 }
989 }
990
991 // If no forced demuxer perform file extension based detection
992 // Ok. We're over the stable detectable fileformats, the next ones are
993 // a bit fuzzy. So by default (extension_parsing==1) try extension-based
994 // detection first:
995 if (file_format == DEMUXER_TYPE_UNKNOWN && filename
996 && extension_parsing == 1) {
997 file_format = demuxer_type_by_filename(filename);
998 if (file_format != DEMUXER_TYPE_UNKNOWN) {
999 // we like recursion :)
1000 demuxer = demux_open_stream(stream, file_format, force, audio_id,
1001 video_id, dvdsub_id, filename);
1002 if (demuxer)
1003 return demuxer; // done!
1004 file_format = DEMUXER_TYPE_UNKNOWN; // continue fuzzy guessing...
1005 mp_msg(MSGT_DEMUXER, MSGL_V,
1006 "demuxer: continue fuzzy content-based format guessing...\n");
1007 }
1008 }
1009 // Try detection for all other demuxers
1010 for (i = 0; (demuxer_desc = demuxer_list[i]); i++) {
1011 if (!demuxer_desc->safe_check && demuxer_desc->check_file) {
1012 demuxer = new_demuxer(stream, demuxer_desc->type, audio_id,
1013 video_id, dvdsub_id, filename);
1014 if ((fformat = demuxer_desc->check_file(demuxer)) != 0) {
1015 if (fformat == demuxer_desc->type) {
1016 demuxer_t *demux2 = demuxer;
1017 mp_msg(MSGT_DEMUXER, MSGL_INFO,
1018 MSGTR_Detected_XXX_FileFormat,
1019 demuxer_desc->shortdesc);
1020 file_format = fformat;
1021 if (!demuxer->desc->open
1022 || (demux2 = demuxer->desc->open(demuxer))) {
1023 demuxer = demux2;
1024 goto dmx_open;
1025 }
1026 } else {
1027 if (fformat == DEMUXER_TYPE_PLAYLIST)
1028 return demuxer; // handled in mplayer.c
1029 // Format changed after check, recurse
1030 free_demuxer(demuxer);
1031 demuxer = demux_open_stream(stream, fformat, force,
1032 audio_id, video_id,
1033 dvdsub_id, filename);
1034 if (demuxer)
1035 return demuxer; // done!
1036 file_format = DEMUXER_TYPE_UNKNOWN;
1037 }
1038 }
1039 free_demuxer(demuxer);
1040 demuxer = NULL;
1041 }
1042 }
1043
1044 return NULL;
1045 //====== File format recognized, set up these for compatibility: =========
1046 dmx_open:
1047
1048 demuxer->file_format = file_format;
1049
1050 if ((sh_video = demuxer->video->sh) && sh_video->bih) {
1051 int biComp = le2me_32(sh_video->bih->biCompression);
1052 mp_msg(MSGT_DEMUX, MSGL_INFO,
1053 "VIDEO: [%.4s] %dx%d %dbpp %5.3f fps %5.1f kbps (%4.1f kbyte/s)\n",
1054 (char *) &biComp, sh_video->bih->biWidth,
1055 sh_video->bih->biHeight, sh_video->bih->biBitCount,
1056 sh_video->fps, sh_video->i_bps * 0.008f,
1057 sh_video->i_bps / 1024.0f);
1058 }
1059 #ifdef CONFIG_ASS
1060 if (ass_enabled && ass_library) {
1061 for (i = 0; i < MAX_S_STREAMS; ++i) {
1062 sh_sub_t *sh = demuxer->s_streams[i];
1063 if (sh && sh->type == 'a') {
1064 sh->ass_track = ass_new_track(ass_library);
1065 if (sh->ass_track && sh->extradata)
1066 ass_process_codec_private(sh->ass_track, sh->extradata,
1067 sh->extradata_len);
1068 } else if (sh && sh->type != 'v')
1069 sh->ass_track = ass_default_track(ass_library);
1070 }
1071 }
1072 #endif
1073 return demuxer;
1074 }
1075
1076 char *audio_stream = NULL;
1077 char *sub_stream = NULL;
1078 int audio_stream_cache = 0;
1079
1080 char *demuxer_name = NULL; // parameter from -demuxer
1081 char *audio_demuxer_name = NULL; // parameter from -audio-demuxer
1082 char *sub_demuxer_name = NULL; // parameter from -sub-demuxer
1083
1084 extern int hr_mp3_seek;
1085
1086 extern float stream_cache_min_percent;
1087 extern float stream_cache_seek_min_percent;
1088
1089 demuxer_t *demux_open(stream_t *vs, int file_format, int audio_id,
1090 int video_id, int dvdsub_id, char *filename)
1091 {
1092 stream_t *as = NULL, *ss = NULL;
1093 demuxer_t *vd, *ad = NULL, *sd = NULL;
1094 demuxer_t *res;
1095 int afmt = DEMUXER_TYPE_UNKNOWN, sfmt = DEMUXER_TYPE_UNKNOWN;
1096 int demuxer_type;
1097 int audio_demuxer_type = 0, sub_demuxer_type = 0;
1098 int demuxer_force = 0, audio_demuxer_force = 0, sub_demuxer_force = 0;
1099
1100 if ((demuxer_type =
1101 get_demuxer_type_from_name(demuxer_name, &demuxer_force)) < 0) {
1102 mp_msg(MSGT_DEMUXER, MSGL_ERR, "-demuxer %s does not exist.\n",
1103 demuxer_name);
1104 }
1105 if ((audio_demuxer_type =
1106 get_demuxer_type_from_name(audio_demuxer_name,
1107 &audio_demuxer_force)) < 0) {
1108 mp_msg(MSGT_DEMUXER, MSGL_ERR, "-audio-demuxer %s does not exist.\n",
1109 audio_demuxer_name);
1110 }
1111 if ((sub_demuxer_type =
1112 get_demuxer_type_from_name(sub_demuxer_name,
1113 &sub_demuxer_force)) < 0) {
1114 mp_msg(MSGT_DEMUXER, MSGL_ERR, "-sub-demuxer %s does not exist.\n",
1115 sub_demuxer_name);
1116 }
1117
1118 if (audio_stream) {
1119 as = open_stream(audio_stream, 0, &afmt);
1120 if (!as) {
1121 mp_msg(MSGT_DEMUXER, MSGL_ERR, MSGTR_CannotOpenAudioStream,
1122 audio_stream);
1123 return NULL;
1124 }
1125 if (audio_stream_cache) {
1126 if (!stream_enable_cache
1127 (as, audio_stream_cache * 1024,
1128 audio_stream_cache * 1024 * (stream_cache_min_percent /
1129 100.0),
1130 audio_stream_cache * 1024 * (stream_cache_seek_min_percent /
1131 100.0))) {
1132 free_stream(as);
1133 mp_msg(MSGT_DEMUXER, MSGL_ERR,
1134 "Can't enable audio stream cache\n");
1135 return NULL;
1136 }
1137 }
1138 }
1139 if (sub_stream) {
1140 ss = open_stream(sub_stream, 0, &sfmt);
1141 if (!ss) {
1142 mp_msg(MSGT_DEMUXER, MSGL_ERR, MSGTR_CannotOpenSubtitlesStream,
1143 sub_stream);
1144 return NULL;
1145 }
1146 }
1147
1148 vd = demux_open_stream(vs, demuxer_type ? demuxer_type : file_format,
1149 demuxer_force, audio_stream ? -2 : audio_id,
1150 video_id, sub_stream ? -2 : dvdsub_id, filename);
1151 if (!vd) {
1152 if (as)
1153 free_stream(as);
1154 if (ss)
1155 free_stream(ss);
1156 return NULL;
1157 }
1158 if (as) {
1159 ad = demux_open_stream(as,
1160 audio_demuxer_type ? audio_demuxer_type : afmt,
1161 audio_demuxer_force, audio_id, -2, -2,
1162 audio_stream);
1163 if (!ad) {
1164 mp_msg(MSGT_DEMUXER, MSGL_WARN, MSGTR_OpeningAudioDemuxerFailed,
1165 audio_stream);
1166 free_stream(as);
1167 } else if (ad->audio->sh
1168 && ((sh_audio_t *) ad->audio->sh)->format == 0x55) // MP3
1169 hr_mp3_seek = 1; // Enable high res seeking
1170 }
1171 if (ss) {
1172 sd = demux_open_stream(ss, sub_demuxer_type ? sub_demuxer_type : sfmt,
1173 sub_demuxer_force, -2, -2, dvdsub_id,
1174 sub_stream);
1175 if (!sd) {
1176 mp_msg(MSGT_DEMUXER, MSGL_WARN,
1177 MSGTR_OpeningSubtitlesDemuxerFailed, sub_stream);
1178 free_stream(ss);
1179 }
1180 }
1181
1182 if (ad && sd)
1183 res = new_demuxers_demuxer(vd, ad, sd);
1184 else if (ad)
1185 res = new_demuxers_demuxer(vd, ad, vd);
1186 else if (sd)
1187 res = new_demuxers_demuxer(vd, vd, sd);
1188 else
1189 res = vd;
1190
1191 correct_pts = user_correct_pts;
1192 if (correct_pts < 0)
1193 correct_pts = demux_control(res, DEMUXER_CTRL_CORRECT_PTS, NULL)
1194 == DEMUXER_CTRL_OK;
1195 return res;
1196 }
1197
1198 static void demux_resync(demuxer_t *demuxer)
1199 {
1200 sh_video_t *sh_video = demuxer->video->sh;
1201 sh_audio_t *sh_audio = demuxer->audio->sh;
1202 demux_control(demuxer, DEMUXER_CTRL_RESYNC, NULL);
1203 if (sh_video) {
1204 ds_fill_buffer(demuxer->video);
1205 resync_video_stream(sh_video);
1206 }
1207 if (sh_audio) {
1208 ds_fill_buffer(demuxer->audio);
1209 resync_audio_stream(sh_audio);
1210 }
1211 }
1212
1213 void demux_flush(demuxer_t *demuxer)
1214 {
1215 #if PARSE_ON_ADD
1216 ds_clear_parser(demuxer->video);
1217 ds_clear_parser(demuxer->audio);
1218 ds_clear_parser(demuxer->sub);
1219 #endif
1220 ds_free_packs(demuxer->video);
1221 ds_free_packs(demuxer->audio);
1222 ds_free_packs(demuxer->sub);
1223 }
1224
1225 int demux_seek(demuxer_t *demuxer, float rel_seek_secs, float audio_delay,
1226 int flags)
1227 {
1228 double tmp = 0;
1229 double pts;
1230
1231 if (!demuxer->seekable) {
1232 if (demuxer->file_format == DEMUXER_TYPE_AVI)
1233 mp_msg(MSGT_SEEK, MSGL_WARN, MSGTR_CantSeekRawAVI);
1234 #ifdef CONFIG_TV
1235 else if (demuxer->file_format == DEMUXER_TYPE_TV)
1236 mp_msg(MSGT_SEEK, MSGL_WARN, MSGTR_TVInputNotSeekable);
1237 #endif
1238 else
1239 mp_msg(MSGT_SEEK, MSGL_WARN, MSGTR_CantSeekFile);
1240 return 0;
1241 }
1242
1243 demux_flush(demuxer);
1244
1245 demuxer->stream->eof = 0;
1246 demuxer->video->eof = 0;
1247 demuxer->audio->eof = 0;
1248
1249 if (flags & SEEK_ABSOLUTE)
1250 pts = 0.0f;
1251 else {
1252 if (demuxer->stream_pts == MP_NOPTS_VALUE)
1253 goto dmx_seek;
1254 pts = demuxer->stream_pts;
1255 }
1256
1257 if (flags & SEEK_FACTOR) {
1258 if (stream_control(demuxer->stream, STREAM_CTRL_GET_TIME_LENGTH, &tmp)
1259 == STREAM_UNSUPPORTED)
1260 goto dmx_seek;
1261 pts += tmp * rel_seek_secs;
1262 } else
1263 pts += rel_seek_secs;
1264
1265 if (stream_control(demuxer->stream, STREAM_CTRL_SEEK_TO_TIME, &pts) !=
1266 STREAM_UNSUPPORTED) {
1267 demux_resync(demuxer);
1268 return 1;
1269 }
1270
1271 dmx_seek:
1272 if (demuxer->desc->seek)
1273 demuxer->desc->seek(demuxer, rel_seek_secs, audio_delay, flags);
1274
1275 demux_resync(demuxer);
1276
1277 return 1;
1278 }
1279
1280 int demux_info_add(demuxer_t *demuxer, const char *opt, const char *param)
1281 {
1282 char **info = demuxer->info;
1283 int n = 0;
1284
1285
1286 for (n = 0; info && info[2 * n] != NULL; n++) {
1287 if (!strcasecmp(opt, info[2 * n])) {
1288 if (!strcmp(param, info[2 * n + 1])) {
1289 mp_msg(MSGT_DEMUX, MSGL_V, "Demuxer info %s set to unchanged value %s\n", opt, param);
1290 return 0;
1291 }
1292 mp_msg(MSGT_DEMUX, MSGL_INFO, MSGTR_DemuxerInfoChanged, opt,
1293 param);
1294 free(info[2 * n + 1]);
1295 info[2 * n + 1] = strdup(param);
1296 return 0;
1297 }
1298 }
1299
1300 info = demuxer->info = (char **) realloc(info,
1301 (2 * (n + 2)) * sizeof(char *));
1302 info[2 * n] = strdup(opt);
1303 info[2 * n + 1] = strdup(param);
1304 memset(&info[2 * (n + 1)], 0, 2 * sizeof(char *));
1305
1306 return 1;
1307 }
1308
1309 int demux_info_print(demuxer_t *demuxer)
1310 {
1311 char **info = demuxer->info;
1312 int n;
1313
1314 if (!info)
1315 return 0;
1316
1317 mp_msg(MSGT_DEMUX, MSGL_INFO, MSGTR_ClipInfo);
1318 for (n = 0; info[2 * n] != NULL; n++) {
1319 mp_msg(MSGT_DEMUX, MSGL_INFO, " %s: %s\n", info[2 * n],
1320 info[2 * n + 1]);
1321 mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_CLIP_INFO_NAME%d=%s\n", n,
1322 info[2 * n]);
1323 mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_CLIP_INFO_VALUE%d=%s\n", n,
1324 info[2 * n + 1]);
1325 }
1326 mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_CLIP_INFO_N=%d\n", n);
1327
1328 return 0;
1329 }
1330
1331 char *demux_info_get(demuxer_t *demuxer, const char *opt)
1332 {
1333 int i;
1334 char **info = demuxer->info;
1335
1336 for (i = 0; info && info[2 * i] != NULL; i++) {
1337 if (!strcasecmp(opt, info[2 * i]))
1338 return info[2 * i + 1];
1339 }
1340
1341 return NULL;
1342 }
1343
1344 int demux_control(demuxer_t *demuxer, int cmd, void *arg)
1345 {
1346
1347 if (demuxer->desc->control)
1348 return demuxer->desc->control(demuxer, cmd, arg);
1349
1350 return DEMUXER_CTRL_NOTIMPL;
1351 }
1352
1353
1354
1355 double demuxer_get_time_length(demuxer_t *demuxer)
1356 {
1357 double get_time_ans;
1358 sh_video_t *sh_video = demuxer->video->sh;
1359 sh_audio_t *sh_audio = demuxer->audio->sh;
1360 // <= 0 means DEMUXER_CTRL_NOTIMPL or DEMUXER_CTRL_DONTKNOW
1361 if (demux_control
1362 (demuxer, DEMUXER_CTRL_GET_TIME_LENGTH, (void *) &get_time_ans) <= 0) {
1363 if (sh_video && sh_video->i_bps && sh_audio && sh_audio->i_bps)
1364 get_time_ans = (double) (demuxer->movi_end -
1365 demuxer->movi_start) / (sh_video->i_bps +
1366 sh_audio->i_bps);
1367 else if (sh_video && sh_video->i_bps)
1368 get_time_ans = (double) (demuxer->movi_end -
1369 demuxer->movi_start) / sh_video->i_bps;
1370 else if (sh_audio && sh_audio->i_bps)
1371 get_time_ans = (double) (demuxer->movi_end -
1372 demuxer->movi_start) / sh_audio->i_bps;
1373 else
1374 get_time_ans = 0;
1375 }
1376 return get_time_ans;
1377 }
1378
1379 /**
1380 * \brief demuxer_get_current_time() returns the time of the current play in three possible ways:
1381 * either when the stream reader satisfies STREAM_CTRL_GET_CURRENT_TIME (e.g. dvd)
1382 * or using sh_video->pts when the former method fails
1383 * 0 otherwise
1384 * \return the current play time
1385 */
1386 int demuxer_get_current_time(demuxer_t *demuxer)
1387 {
1388 double get_time_ans = 0;
1389 sh_video_t *sh_video = demuxer->video->sh;
1390 if (demuxer->stream_pts != MP_NOPTS_VALUE)
1391 get_time_ans = demuxer->stream_pts;
1392 else if (sh_video)
1393 get_time_ans = sh_video->pts;
1394 return (int) get_time_ans;
1395 }
1396
1397 int demuxer_get_percent_pos(demuxer_t *demuxer)
1398 {
1399 int ans = 0;
1400 int res = demux_control(demuxer, DEMUXER_CTRL_GET_PERCENT_POS, &ans);
1401 int len = (demuxer->movi_end - demuxer->movi_start) / 100;
1402 if (res <= 0) {
1403 off_t pos = demuxer->filepos > 0 ? demuxer->filepos : stream_tell(demuxer->stream);
1404 if (len > 0)
1405 ans = (pos - demuxer->movi_start) / len;
1406 else
1407 ans = 0;
1408 }
1409 if (ans < 0)
1410 ans = 0;
1411 if (ans > 100)
1412 ans = 100;
1413 return ans;
1414 }
1415
1416 int demuxer_switch_audio(demuxer_t *demuxer, int index)
1417 {
1418 int res = demux_control(demuxer, DEMUXER_CTRL_SWITCH_AUDIO, &index);
1419 if (res == DEMUXER_CTRL_NOTIMPL)
1420 index = demuxer->audio->id;
1421 if (demuxer->audio->id >= 0)
1422 demuxer->audio->sh = demuxer->a_streams[demuxer->audio->id];
1423 else
1424 demuxer->audio->sh = NULL;
1425 return index;
1426 }
1427
1428 int demuxer_switch_video(demuxer_t *demuxer, int index)
1429 {
1430 int res = demux_control(demuxer, DEMUXER_CTRL_SWITCH_VIDEO, &index);
1431 if (res == DEMUXER_CTRL_NOTIMPL)
1432 index = demuxer->video->id;
1433 if (demuxer->video->id >= 0)
1434 demuxer->video->sh = demuxer->v_streams[demuxer->video->id];
1435 else
1436 demuxer->video->sh = NULL;
1437 return index;
1438 }
1439
1440 int demuxer_add_attachment(demuxer_t *demuxer, const char *name,
1441 const char *type, const void *data, size_t size)
1442 {
1443 if (!(demuxer->num_attachments & 31))
1444 demuxer->attachments = realloc(demuxer->attachments,
1445 (demuxer->num_attachments + 32) * sizeof(demux_attachment_t));
1446
1447 demuxer->attachments[demuxer->num_attachments].name = strdup(name);
1448 demuxer->attachments[demuxer->num_attachments].type = strdup(type);
1449 demuxer->attachments[demuxer->num_attachments].data = malloc(size);
1450 memcpy(demuxer->attachments[demuxer->num_attachments].data, data, size);
1451 demuxer->attachments[demuxer->num_attachments].data_size = size;
1452
1453 return demuxer->num_attachments++;
1454 }
1455
1456 int demuxer_add_chapter(demuxer_t *demuxer, const char *name, uint64_t start,
1457 uint64_t end)
1458 {
1459 if (demuxer->chapters == NULL)
1460 demuxer->chapters = malloc(32 * sizeof(*demuxer->chapters));
1461 else if (!(demuxer->num_chapters % 32))
1462 demuxer->chapters = realloc(demuxer->chapters,
1463 (demuxer->num_chapters + 32) *
1464 sizeof(*demuxer->chapters));
1465
1466 demuxer->chapters[demuxer->num_chapters].start = start;
1467 demuxer->chapters[demuxer->num_chapters].end = end;
1468 demuxer->chapters[demuxer->num_chapters].name = strdup(name ? name : MSGTR_Unknown);
1469
1470 mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_CHAPTER_ID=%d\n", demuxer->num_chapters);
1471 mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_CHAPTER_%d_START=%"PRIu64"\n", demuxer->num_chapters, start);
1472 if (end)
1473 mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_CHAPTER_%d_END=%"PRIu64"\n", demuxer->num_chapters, end);
1474 if (name)
1475 mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_CHAPTER_%d_NAME=%s\n", demuxer->num_chapters, name);
1476
1477 return demuxer->num_chapters++;
1478 }
1479
1480 /**
1481 * \brief demuxer_seek_chapter() seeks to a chapter in two possible ways:
1482 * either using the demuxer->chapters structure set by the demuxer
1483 * or asking help to the stream layer (e.g. dvd)
1484 * \param chapter - chapter number wished - 0-based
1485 * \param mode 0: relative to current main pts, 1: absolute
1486 * \param seek_pts set by the function to the pts to seek to (if demuxer->chapters is set)
1487 * \param num_chapters number of chapters present (set by this function is param is not null)
1488 * \param chapter_name name of chapter found (set by this function is param is not null)
1489 * \return -1 on error, current chapter if successful
1490 */
1491
1492 int demuxer_seek_chapter(demuxer_t *demuxer, int chapter, int mode,
1493 float *seek_pts, int *num_chapters,
1494 char **chapter_name)
1495 {
1496 int ris;
1497 int current, total;
1498
1499 if (!demuxer->num_chapters || !demuxer->chapters) {
1500 if (!mode) {
1501 ris = stream_control(demuxer->stream,
1502 STREAM_CTRL_GET_CURRENT_CHAPTER, &current);
1503 if (ris == STREAM_UNSUPPORTED)
1504 return -1;
1505 chapter += current;
1506 }
1507
1508 demux_flush(demuxer);
1509
1510 ris = stream_control(demuxer->stream, STREAM_CTRL_SEEK_TO_CHAPTER,
1511 &chapter);
1512
1513 demux_resync(demuxer);
1514
1515 // exit status may be ok, but main() doesn't have to seek itself
1516 // (because e.g. dvds depend on sectors, not on pts)
1517 *seek_pts = -1.0;
1518
1519 if (num_chapters) {
1520 if (stream_control(demuxer->stream, STREAM_CTRL_GET_NUM_CHAPTERS,
1521 num_chapters) == STREAM_UNSUPPORTED)
1522 *num_chapters = 0;
1523 }
1524
1525 if (chapter_name) {
1526 *chapter_name = NULL;
1527 if (num_chapters && *num_chapters) {
1528 char *tmp = malloc(16);
1529 if (tmp) {
1530 sprintf(tmp, " of %3d", *num_chapters);
1531 *chapter_name = tmp;
1532 }
1533 }
1534 }
1535
1536 return ris != STREAM_UNSUPPORTED ? chapter : -1;
1537 } else { // chapters structure is set in the demuxer
1538 sh_video_t *sh_video = demuxer->video->sh;
1539 sh_audio_t *sh_audio = demuxer->audio->sh;
1540
1541 total = demuxer->num_chapters;
1542
1543 if (mode == 1) //absolute seeking
1544 current = chapter;
1545 else { //relative seeking
1546 uint64_t now;
1547 now = (sh_video ? sh_video->pts : (sh_audio ? sh_audio->pts : 0.))
1548 * 1000 + .5;
1549
1550 for (current = total - 1; current >= 0; --current) {
1551 demux_chapter_t *chapter = demuxer->chapters + current;
1552 if (chapter->start <= now)
1553 break;
1554 }
1555 current += chapter;
1556 }
1557
1558 if (current >= total)
1559 return -1;
1560 if (current < 0)
1561 current = 0;
1562
1563 *seek_pts = demuxer->chapters[current].start / 1000.0;
1564
1565 if (num_chapters)
1566 *num_chapters = demuxer->num_chapters;
1567
1568 if (chapter_name) {
1569 if (demuxer->chapters[current].name)
1570 *chapter_name = strdup(demuxer->chapters[current].name);
1571 else
1572 *chapter_name = NULL;
1573 }
1574
1575 return current;
1576 }
1577 }
1578
1579 int demuxer_get_current_chapter(demuxer_t *demuxer)
1580 {
1581 int chapter = -1;
1582 if (!demuxer->num_chapters || !demuxer->chapters) {
1583 if (stream_control(demuxer->stream, STREAM_CTRL_GET_CURRENT_CHAPTER,
1584 &chapter) == STREAM_UNSUPPORTED)
1585 chapter = -1;
1586 } else {
1587 sh_video_t *sh_video = demuxer->video->sh;
1588 sh_audio_t *sh_audio = demuxer->audio->sh;
1589 uint64_t now;
1590 now = (sh_video ? sh_video->pts : (sh_audio ? sh_audio->pts : 0))
1591 * 1000 + 0.5;
1592 for (chapter = demuxer->num_chapters - 1; chapter >= 0; --chapter) {
1593 if (demuxer->chapters[chapter].start <= now)
1594 break;
1595 }
1596 }
1597 return chapter;
1598 }
1599
1600 char *demuxer_chapter_name(demuxer_t *demuxer, int chapter)
1601 {
1602 if (demuxer->num_chapters && demuxer->chapters) {
1603 if (chapter >= 0 && chapter < demuxer->num_chapters
1604 && demuxer->chapters[chapter].name)
1605 return strdup(demuxer->chapters[chapter].name);
1606 }
1607 return NULL;
1608 }
1609
1610 char *demuxer_chapter_display_name(demuxer_t *demuxer, int chapter)
1611 {
1612 char *chapter_name = demuxer_chapter_name(demuxer, chapter);
1613 if (chapter_name) {
1614 char *tmp = malloc(strlen(chapter_name) + 14);
1615 snprintf(tmp, 63, "(%d) %s", chapter + 1, chapter_name);
1616 free(chapter_name);
1617 return tmp;
1618 } else {
1619 int chapter_num = demuxer_chapter_count(demuxer);
1620 char tmp[30];
1621 if (chapter_num <= 0)
1622 sprintf(tmp, "(%d)", chapter + 1);
1623 else
1624 sprintf(tmp, "(%d) of %d", chapter + 1, chapter_num);
1625 return strdup(tmp);
1626 }
1627 }
1628
1629 float demuxer_chapter_time(demuxer_t *demuxer, int chapter, float *end)
1630 {
1631 if (demuxer->num_chapters && demuxer->chapters && chapter >= 0
1632 && chapter < demuxer->num_chapters) {
1633 if (end)
1634 *end = demuxer->chapters[chapter].end / 1000.0;
1635 return demuxer->chapters[chapter].start / 1000.0;
1636 }
1637 return -1.0;
1638 }
1639
1640 int demuxer_chapter_count(demuxer_t *demuxer)
1641 {
1642 if (!demuxer->num_chapters || !demuxer->chapters) {
1643 int num_chapters = 0;
1644 if (stream_control(demuxer->stream, STREAM_CTRL_GET_NUM_CHAPTERS,
1645 &num_chapters) == STREAM_UNSUPPORTED)
1646 num_chapters = 0;
1647 return num_chapters;
1648 } else
1649 return demuxer->num_chapters;
1650 }
1651
1652 int demuxer_angles_count(demuxer_t *demuxer)
1653 {
1654 int ris, angles = -1;
1655
1656 ris = stream_control(demuxer->stream, STREAM_CTRL_GET_NUM_ANGLES, &angles);
1657 if (ris == STREAM_UNSUPPORTED)
1658 return -1;
1659 return angles;
1660 }
1661
1662 int demuxer_get_current_angle(demuxer_t *demuxer)
1663 {
1664 int ris, curr_angle = -1;
1665 ris = stream_control(demuxer->stream, STREAM_CTRL_GET_ANGLE, &curr_angle);
1666 if (ris == STREAM_UNSUPPORTED)
1667 return -1;
1668 return curr_angle;
1669 }
1670
1671
1672 int demuxer_set_angle(demuxer_t *demuxer, int angle)
1673 {
1674 int ris, angles = -1;
1675
1676 angles = demuxer_angles_count(demuxer);
1677 if ((angles < 1) || (angle > angles))
1678 return -1;
1679
1680 demux_flush(demuxer);
1681
1682 ris = stream_control(demuxer->stream, STREAM_CTRL_SET_ANGLE, &angle);
1683 if (ris == STREAM_UNSUPPORTED)
1684 return -1;
1685
1686 demux_resync(demuxer);
1687
1688 return angle;
1689 }
1690
1691 int demuxer_audio_track_by_lang(demuxer_t *d, char *lang)
1692 {
1693 int i, len;
1694 lang += strspn(lang, ",");
1695 while ((len = strcspn(lang, ",")) > 0) {
1696 for (i = 0; i < MAX_A_STREAMS; ++i) {
1697 sh_audio_t *sh = d->a_streams[i];
1698 if (sh && sh->lang && strncmp(sh->lang, lang, len) == 0)
1699 return sh->aid;
1700 }
1701 lang += len;
1702 lang += strspn(lang, ",");
1703 }
1704 return -1;
1705 }
1706
1707 int demuxer_sub_track_by_lang(demuxer_t *d, char *lang)
1708 {
1709 int i, len;
1710 lang += strspn(lang, ",");
1711 while ((len = strcspn(lang, ",")) > 0) {
1712 for (i = 0; i < MAX_S_STREAMS; ++i) {
1713 sh_sub_t *sh = d->s_streams[i];
1714 if (sh && sh->lang && strncmp(sh->lang, lang, len) == 0)
1715 return sh->sid;
1716 }
1717 lang += len;
1718 lang += strspn(lang, ",");
1719 }
1720 return -1;
1721 }
1722
1723 int demuxer_default_audio_track(demuxer_t *d)
1724 {
1725 int i;
1726 for (i = 0; i < MAX_A_STREAMS; ++i) {
1727 sh_audio_t *sh = d->a_streams[i];
1728 if (sh && sh->default_track)
1729 return sh->aid;
1730 }
1731 for (i = 0; i < MAX_A_STREAMS; ++i) {
1732 sh_audio_t *sh = d->a_streams[i];
1733 if (sh)
1734 return sh->aid;
1735 }
1736 return -1;
1737 }
1738
1739 int demuxer_default_sub_track(demuxer_t *d)
1740 {
1741 int i;
1742 for (i = 0; i < MAX_S_STREAMS; ++i) {
1743 sh_sub_t *sh = d->s_streams[i];
1744 if (sh && sh->default_track)
1745 return sh->sid;
1746 }
1747 return -1;
1748 }
mplayer with SMedia Glamo drivers