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add_integer: remove callback parameter
[vlc/asuraparaju-public.git] / modules / demux / ts.c
blob72a997e90773b9347b1ddfc507cbbbe205a01659
1 /*****************************************************************************
2 * ts.c: Transport Stream input module for VLC.
3 *****************************************************************************
4 * Copyright (C) 2004-2005 the VideoLAN team
5 * $Id$
6 *
7 * Authors: Laurent Aimar <fenrir@via.ecp.fr>
8 * Jean-Paul Saman <jpsaman #_at_# m2x.nl>
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
23 *****************************************************************************/
24
25 /*****************************************************************************
26 * Preamble
27 *****************************************************************************/
28
29 #ifdef HAVE_CONFIG_H
30 # include "config.h"
31 #endif
32
33 #include <vlc_common.h>
34 #include <vlc_plugin.h>
35
36 #include <assert.h>
37
38 #include <vlc_access.h> /* DVB-specific things */
39 #include <vlc_demux.h>
40 #include <vlc_meta.h>
41 #include <vlc_epg.h>
42
43 #include <vlc_iso_lang.h>
44 #include <vlc_network.h>
45 #include <vlc_charset.h>
46 #include <vlc_fs.h>
47
48 #include "../mux/mpeg/csa.h"
49
50 /* Include dvbpsi headers */
51 #ifdef HAVE_DVBPSI_DR_H
52 # include <dvbpsi/dvbpsi.h>
53 # include <dvbpsi/demux.h>
54 # include <dvbpsi/descriptor.h>
55 # include <dvbpsi/pat.h>
56 # include <dvbpsi/pmt.h>
57 # include <dvbpsi/sdt.h>
58 # include <dvbpsi/dr.h>
59 # include <dvbpsi/psi.h>
60 #else
61 # include "dvbpsi.h"
62 # include "demux.h"
63 # include "descriptor.h"
64 # include "tables/pat.h"
65 # include "tables/pmt.h"
66 # include "tables/sdt.h"
67 # include "descriptors/dr.h"
68 # include "psi.h"
69 #endif
70
71 /* EIT support */
72 #ifdef _DVBPSI_DR_4D_H_
73 # define TS_USE_DVB_SI 1
74 # ifdef HAVE_DVBPSI_DR_H
75 # include <dvbpsi/eit.h>
76 # else
77 # include "tables/eit.h"
78 # endif
79 #endif
80
81 /* TDT support */
82 #ifdef _DVBPSI_DR_58_H_
83 # define TS_USE_TDT 1
84 # ifdef HAVE_DVBPSI_DR_H
85 # include <dvbpsi/tot.h>
86 # else
87 # include "tables/tot.h"
88 # endif
89 #else
90 # include <time.h>
91 #endif
92
93 #undef TS_DEBUG
94
95 /*****************************************************************************
96 * Module descriptor
97 *****************************************************************************/
98 static int Open ( vlc_object_t * );
99 static void Close ( vlc_object_t * );
100
101 /* TODO
102 * - Rename "extra pmt" to "user pmt"
103 * - Update extra pmt description
104 * pmt_pid[:pmt_number][=pid_description[,pid_description]]
105 * where pid_description could take 3 forms:
106 * 1. pid:pcr (to force the pcr pid)
107 * 2. pid:stream_type
108 * 3. pid:type=fourcc where type=(video|audio|spu)
109 */
110 #define PMT_TEXT N_("Extra PMT")
111 #define PMT_LONGTEXT N_( \
112 "Allows a user to specify an extra pmt (pmt_pid=pid:stream_type[,...])." )
113
114 #define PID_TEXT N_("Set id of ES to PID")
115 #define PID_LONGTEXT N_("Set the internal ID of each elementary stream" \
116 " handled by VLC to the same value as the PID in" \
117 " the TS stream, instead of 1, 2, 3, etc. Useful to" \
118 " do \'#duplicate{..., select=\"es=<pid>\"}\'.")
119
120 #define TSOUT_TEXT N_("Fast udp streaming")
121 #define TSOUT_LONGTEXT N_( \
122 "Sends TS to specific ip:port by udp (you must know what you are doing).")
123
124 #define MTUOUT_TEXT N_("MTU for out mode")
125 #define MTUOUT_LONGTEXT N_("MTU for out mode.")
126
127 #define CSA_TEXT N_("CSA ck")
128 #define CSA_LONGTEXT N_("Control word for the CSA encryption algorithm")
129
130 #define CSA2_TEXT N_("Second CSA Key")
131 #define CSA2_LONGTEXT N_("The even CSA encryption key. This must be a " \
132 "16 char string (8 hexadecimal bytes).")
133
134 #define SILENT_TEXT N_("Silent mode")
135 #define SILENT_LONGTEXT N_("Do not complain on encrypted PES.")
136
137 #define CAPMT_SYSID_TEXT N_("CAPMT System ID")
138 #define CAPMT_SYSID_LONGTEXT N_("Only forward descriptors from this SysID to the CAM.")
139
140 #define CPKT_TEXT N_("Packet size in bytes to decrypt")
141 #define CPKT_LONGTEXT N_("Specify the size of the TS packet to decrypt. " \
142 "The decryption routines subtract the TS-header from the value before " \
143 "decrypting. " )
144
145 #define TSDUMP_TEXT N_("Filename of dump")
146 #define TSDUMP_LONGTEXT N_("Specify a filename where to dump the TS in.")
147
148 #define APPEND_TEXT N_("Append")
149 #define APPEND_LONGTEXT N_( \
150 "If the file exists and this option is selected, the existing file " \
151 "will not be overwritten." )
152
153 #define DUMPSIZE_TEXT N_("Dump buffer size")
154 #define DUMPSIZE_LONGTEXT N_( \
155 "Tweak the buffer size for reading and writing an integer number of packets. " \
156 "Specify the size of the buffer here and not the number of packets." )
157
158 #define SPLIT_ES_TEXT N_("Separate sub-streams")
159 #define SPLIT_ES_LONGTEXT N_( \
160 "Separate teletex/dvbs pages into independent ES. " \
161 "It can be useful to turn off this option when using stream output." )
162
163 vlc_module_begin ()
164 set_description( N_("MPEG Transport Stream demuxer") )
165 set_shortname ( "MPEG-TS" )
166 set_category( CAT_INPUT )
167 set_subcategory( SUBCAT_INPUT_DEMUX )
168
169 add_string( "ts-extra-pmt", NULL, PMT_TEXT, PMT_LONGTEXT, true )
170 add_bool( "ts-es-id-pid", true, NULL, PID_TEXT, PID_LONGTEXT, true )
171 add_string( "ts-out", NULL, TSOUT_TEXT, TSOUT_LONGTEXT, true )
172 add_integer( "ts-out-mtu", 1400, MTUOUT_TEXT,
173 MTUOUT_LONGTEXT, true )
174 add_string( "ts-csa-ck", NULL, CSA_TEXT, CSA_LONGTEXT, true )
175 add_string( "ts-csa2-ck", NULL, CSA_TEXT, CSA_LONGTEXT, true )
176 add_integer( "ts-csa-pkt", 188, CPKT_TEXT, CPKT_LONGTEXT, true )
177 add_bool( "ts-silent", false, NULL, SILENT_TEXT, SILENT_LONGTEXT, true )
178
179 add_savefile( "ts-dump-file", NULL, TSDUMP_TEXT, TSDUMP_LONGTEXT, false )
180 add_bool( "ts-dump-append", false, NULL, APPEND_TEXT, APPEND_LONGTEXT, false )
181 add_integer( "ts-dump-size", 16384, DUMPSIZE_TEXT,
182 DUMPSIZE_LONGTEXT, true )
183 add_bool( "ts-split-es", true, NULL, SPLIT_ES_TEXT, SPLIT_ES_LONGTEXT, false )
184
185 set_capability( "demux", 10 )
186 set_callbacks( Open, Close )
187 add_shortcut( "ts" )
188 vlc_module_end ()
189
190 /*****************************************************************************
191 * Local prototypes
192 *****************************************************************************/
193 static const char *const ppsz_teletext_type[] = {
194 "",
195 N_("Teletext"),
196 N_("Teletext subtitles"),
197 N_("Teletext: additional information"),
198 N_("Teletext: program schedule"),
199 N_("Teletext subtitles: hearing impaired")
200 };
201
202 typedef struct
203 {
204 uint8_t i_objectTypeIndication;
205 uint8_t i_streamType;
206 bool b_upStream;
207 uint32_t i_bufferSizeDB;
208 uint32_t i_maxBitrate;
209 uint32_t i_avgBitrate;
210
211 int i_decoder_specific_info_len;
212 uint8_t *p_decoder_specific_info;
213
214 } decoder_config_descriptor_t;
215
216 typedef struct
217 {
218 bool b_useAccessUnitStartFlag;
219 bool b_useAccessUnitEndFlag;
220 bool b_useRandomAccessPointFlag;
221 bool b_useRandomAccessUnitsOnlyFlag;
222 bool b_usePaddingFlag;
223 bool b_useTimeStampsFlags;
224 bool b_useIdleFlag;
225 bool b_durationFlag;
226 uint32_t i_timeStampResolution;
227 uint32_t i_OCRResolution;
228 uint8_t i_timeStampLength;
229 uint8_t i_OCRLength;
230 uint8_t i_AU_Length;
231 uint8_t i_instantBitrateLength;
232 uint8_t i_degradationPriorityLength;
233 uint8_t i_AU_seqNumLength;
234 uint8_t i_packetSeqNumLength;
235
236 uint32_t i_timeScale;
237 uint16_t i_accessUnitDuration;
238 uint16_t i_compositionUnitDuration;
239
240 uint64_t i_startDecodingTimeStamp;
241 uint64_t i_startCompositionTimeStamp;
242
243 } sl_config_descriptor_t;
244
245 typedef struct
246 {
247 bool b_ok;
248 uint16_t i_es_id;
249
250 bool b_streamDependenceFlag;
251 bool b_OCRStreamFlag;
252 uint8_t i_streamPriority;
253
254 char *psz_url;
255
256 uint16_t i_dependOn_es_id;
257 uint16_t i_OCR_es_id;
258
259 decoder_config_descriptor_t dec_descr;
260 sl_config_descriptor_t sl_descr;
261
262 } es_mpeg4_descriptor_t;
263
264 typedef struct
265 {
266 uint8_t i_iod_label, i_iod_label_scope;
267
268 /* IOD */
269 uint16_t i_od_id;
270 char *psz_url;
271
272 uint8_t i_ODProfileLevelIndication;
273 uint8_t i_sceneProfileLevelIndication;
274 uint8_t i_audioProfileLevelIndication;
275 uint8_t i_visualProfileLevelIndication;
276 uint8_t i_graphicsProfileLevelIndication;
277
278 es_mpeg4_descriptor_t es_descr[255];
279
280 } iod_descriptor_t;
281
282 typedef struct
283 {
284 dvbpsi_handle handle;
285
286 int i_version;
287 int i_number;
288 int i_pid_pcr;
289 int i_pid_pmt;
290 /* IOD stuff (mpeg4) */
291 iod_descriptor_t *iod;
292
293 } ts_prg_psi_t;
294
295 typedef struct
296 {
297 /* for special PAT/SDT case */
298 dvbpsi_handle handle; /* PAT/SDT/EIT */
299 int i_pat_version;
300 int i_sdt_version;
301
302 /* For PMT */
303 int i_prg;
304 ts_prg_psi_t **prg;
305
306 } ts_psi_t;
307
308 typedef struct
309 {
310 es_format_t fmt;
311 es_out_id_t *id;
312 int i_pes_size;
313 int i_pes_gathered;
314 block_t *p_pes;
315 block_t **pp_last;
316
317 es_mpeg4_descriptor_t *p_mpeg4desc;
318 int b_gather;
319
320 } ts_es_t;
321
322 typedef struct
323 {
324 int i_pid;
325
326 bool b_seen;
327 bool b_valid;
328 int i_cc; /* countinuity counter */
329 bool b_scrambled;
330
331 /* PSI owner (ie PMT -> PAT, ES -> PMT */
332 ts_psi_t *p_owner;
333 int i_owner_number;
334
335 /* */
336 ts_psi_t *psi;
337 ts_es_t *es;
338
339 /* Some private streams encapsulate several ES (eg. DVB subtitles)*/
340 ts_es_t **extra_es;
341 int i_extra_es;
342
343 } ts_pid_t;
344
345 struct demux_sys_t
346 {
347 vlc_mutex_t csa_lock;
348
349 /* TS packet size (188, 192, 204) */
350 int i_packet_size;
351
352 /* how many TS packet we read at once */
353 int i_ts_read;
354
355 /* All pid */
356 ts_pid_t pid[8192];
357
358 /* All PMT */
359 bool b_user_pmt;
360 int i_pmt;
361 ts_pid_t **pmt;
362 int i_pmt_es;
363
364 /* */
365 bool b_es_id_pid;
366 csa_t *csa;
367 int i_csa_pkt_size;
368 bool b_silent;
369 bool b_split_es;
370
371 bool b_udp_out;
372 int fd; /* udp socket */
373 uint8_t *buffer;
374
375 /* */
376 bool b_access_control;
377
378 /* */
379 bool b_dvb_meta;
380 int64_t i_tdt_delta;
381 int64_t i_dvb_start;
382 int64_t i_dvb_length;
383 bool b_broken_charset; /* True if broken encoding is used in EPG/SDT */
384
385 /* */
386 int i_current_program;
387 vlc_list_t programs_list;
388
389 /* TS dump */
390 char *psz_file; /* file to dump data in */
391 FILE *p_file; /* filehandle */
392 uint64_t i_write; /* bytes written */
393 bool b_file_out; /* dump mode enabled */
394
395 /* */
396 bool b_start_record;
397 };
398
399 static int Demux ( demux_t *p_demux );
400 static int DemuxFile( demux_t *p_demux );
401 static int Control( demux_t *p_demux, int i_query, va_list args );
402
403 static void PIDInit ( ts_pid_t *pid, bool b_psi, ts_psi_t *p_owner );
404 static void PIDClean( demux_t *, ts_pid_t *pid );
405 static int PIDFillFormat( ts_pid_t *pid, int i_stream_type );
406
407 static void PATCallBack( demux_t *, dvbpsi_pat_t * );
408 static void PMTCallBack( demux_t *p_demux, dvbpsi_pmt_t *p_pmt );
409 #ifdef TS_USE_DVB_SI
410 static void PSINewTableCallBack( demux_t *, dvbpsi_handle,
411 uint8_t i_table_id, uint16_t i_extension );
412 #endif
413 static int ChangeKeyCallback( vlc_object_t *, char const *, vlc_value_t, vlc_value_t, void * );
414
415 static inline int PIDGet( block_t *p )
416 {
417 return ( (p->p_buffer[1]&0x1f)<<8 )|p->p_buffer[2];
418 }
419
420 static bool GatherPES( demux_t *p_demux, ts_pid_t *pid, block_t *p_bk );
421
422 static void PCRHandle( demux_t *p_demux, ts_pid_t *, block_t * );
423
424 static iod_descriptor_t *IODNew( int , uint8_t * );
425 static void IODFree( iod_descriptor_t * );
426
427 #define TS_USER_PMT_NUMBER (0)
428 static int UserPmt( demux_t *p_demux, const char * );
429
430 static int SetPIDFilter( demux_t *, int i_pid, bool b_selected );
431 static void SetPrgFilter( demux_t *, int i_prg, bool b_selected );
432
433 #define TS_PACKET_SIZE_188 188
434 #define TS_PACKET_SIZE_192 192
435 #define TS_PACKET_SIZE_204 204
436 #define TS_PACKET_SIZE_MAX 204
437 #define TS_TOPFIELD_HEADER 1320
438
439 /*****************************************************************************
440 * Open
441 *****************************************************************************/
442 static int Open( vlc_object_t *p_this )
443 {
444 demux_t *p_demux = (demux_t*)p_this;
445 demux_sys_t *p_sys;
446
447 const uint8_t *p_peek;
448 int i_sync, i_peek, i;
449 int i_packet_size;
450
451 ts_pid_t *pat;
452 const char *psz_mode;
453 bool b_append;
454 bool b_topfield = false;
455
456 if( stream_Peek( p_demux->s, &p_peek, TS_PACKET_SIZE_MAX ) <
457 TS_PACKET_SIZE_MAX ) return VLC_EGENERIC;
458
459 if( memcmp( p_peek, "TFrc", 4 ) == 0 )
460 {
461 b_topfield = true;
462 msg_Dbg( p_demux, "this is a topfield file" );
463 }
464
465 /* Search first sync byte */
466 for( i_sync = 0; i_sync < TS_PACKET_SIZE_MAX; i_sync++ )
467 {
468 if( p_peek[i_sync] == 0x47 ) break;
469 }
470 if( i_sync >= TS_PACKET_SIZE_MAX && !b_topfield )
471 {
472 if( !p_demux->b_force )
473 return VLC_EGENERIC;
474 msg_Warn( p_demux, "this does not look like a TS stream, continuing" );
475 }
476
477 if( b_topfield )
478 {
479 /* Read the entire Topfield header */
480 i_peek = TS_TOPFIELD_HEADER;
481 }
482 else
483 {
484 /* Check next 3 sync bytes */
485 i_peek = TS_PACKET_SIZE_MAX * 3 + i_sync + 1;
486 }
487
488 if( ( stream_Peek( p_demux->s, &p_peek, i_peek ) ) < i_peek )
489 {
490 msg_Err( p_demux, "cannot peek" );
491 return VLC_EGENERIC;
492 }
493 if( p_peek[i_sync + TS_PACKET_SIZE_188] == 0x47 &&
494 p_peek[i_sync + 2 * TS_PACKET_SIZE_188] == 0x47 &&
495 p_peek[i_sync + 3 * TS_PACKET_SIZE_188] == 0x47 )
496 {
497 i_packet_size = TS_PACKET_SIZE_188;
498 }
499 else if( p_peek[i_sync + TS_PACKET_SIZE_192] == 0x47 &&
500 p_peek[i_sync + 2 * TS_PACKET_SIZE_192] == 0x47 &&
501 p_peek[i_sync + 3 * TS_PACKET_SIZE_192] == 0x47 )
502 {
503 i_packet_size = TS_PACKET_SIZE_192;
504 }
505 else if( p_peek[i_sync + TS_PACKET_SIZE_204] == 0x47 &&
506 p_peek[i_sync + 2 * TS_PACKET_SIZE_204] == 0x47 &&
507 p_peek[i_sync + 3 * TS_PACKET_SIZE_204] == 0x47 )
508 {
509 i_packet_size = TS_PACKET_SIZE_204;
510 }
511 else if( p_demux->b_force )
512 {
513 i_packet_size = TS_PACKET_SIZE_188;
514 }
515 else if( b_topfield )
516 {
517 i_packet_size = TS_PACKET_SIZE_188;
518 #if 0
519 /* I used the TF5000PVR 2004 Firmware .doc header documentation,
520 * http://www.i-topfield.com/data/product/firmware/Structure%20of%20Recorded%20File%20in%20TF5000PVR%20(Feb%2021%202004).doc
521 * but after the filename the offsets seem to be incorrect. - DJ */
522 int i_duration, i_name;
523 char *psz_name = malloc(25);
524 char *psz_event_name;
525 char *psz_event_text = malloc(130);
526 char *psz_ext_text = malloc(1025);
527
528 // 2 bytes version Uimsbf (4,5)
529 // 2 bytes reserved (6,7)
530 // 2 bytes duration in minutes Uimsbf (8,9(
531 i_duration = (int) (p_peek[8] << 8) | p_peek[9];
532 msg_Dbg( p_demux, "Topfield recording length: +/- %d minutes", i_duration);
533 // 2 bytes service number in channel list (10, 11)
534 // 2 bytes service type Bslbf 0=TV 1=Radio Bslb (12, 13)
535 // 4 bytes of reserved + tuner info (14,15,16,17)
536 // 2 bytes of Service ID Bslbf (18,19)
537 // 2 bytes of PMT PID Uimsbf (20,21)
538 // 2 bytes of PCR PID Uimsbf (22,23)
539 // 2 bytes of Video PID Uimsbf (24,25)
540 // 2 bytes of Audio PID Uimsbf (26,27)
541 // 24 bytes filename Bslbf
542 memcpy( psz_name, &p_peek[28], 24 );
543 psz_name[24] = '\0';
544 msg_Dbg( p_demux, "recordingname=%s", psz_name );
545 // 1 byte of sat index Uimsbf (52)
546 // 3 bytes (1 bit of polarity Bslbf +23 bits reserved)
547 // 4 bytes of freq. Uimsbf (56,57,58,59)
548 // 2 bytes of symbol rate Uimsbf (60,61)
549 // 2 bytes of TS stream ID Uimsbf (62,63)
550 // 4 bytes reserved
551 // 2 bytes reserved
552 // 2 bytes duration Uimsbf (70,71)
553 //i_duration = (int) (p_peek[70] << 8) | p_peek[71];
554 //msg_Dbg( p_demux, "Topfield 2nd duration field: +/- %d minutes", i_duration);
555 // 4 bytes EventID Uimsbf (72-75)
556 // 8 bytes of Start and End time info (76-83)
557 // 1 byte reserved (84)
558 // 1 byte event name length Uimsbf (89)
559 i_name = (int)(p_peek[89]&~0x81);
560 msg_Dbg( p_demux, "event name length = %d", i_name);
561 psz_event_name = malloc( i_name+1 );
562 // 1 byte parental rating (90)
563 // 129 bytes of event text
564 memcpy( psz_event_name, &p_peek[91], i_name );
565 psz_event_name[i_name] = '\0';
566 memcpy( psz_event_text, &p_peek[91+i_name], 129-i_name );
567 psz_event_text[129-i_name] = '\0';
568 msg_Dbg( p_demux, "event name=%s", psz_event_name );
569 msg_Dbg( p_demux, "event text=%s", psz_event_text );
570 // 12 bytes reserved (220)
571 // 6 bytes reserved
572 // 2 bytes Event Text Length Uimsbf
573 // 4 bytes EventID Uimsbf
574 // FIXME We just have 613 bytes. not enough for this entire text
575 // 1024 bytes Extended Event Text Bslbf
576 memcpy( psz_ext_text, p_peek+372, 1024 );
577 psz_ext_text[1024] = '\0';
578 msg_Dbg( p_demux, "extended event text=%s", psz_ext_text );
579 // 52 bytes reserved Bslbf
580 #endif
581 }
582 else
583 {
584 msg_Warn( p_demux, "TS module discarded (lost sync)" );
585 return VLC_EGENERIC;
586 }
587
588 p_demux->p_sys = p_sys = malloc( sizeof( demux_sys_t ) );
589 if( !p_sys )
590 return VLC_ENOMEM;
591 memset( p_sys, 0, sizeof( demux_sys_t ) );
592 p_sys->i_packet_size = i_packet_size;
593 vlc_mutex_init( &p_sys->csa_lock );
594
595 /* Fill dump mode fields */
596 p_sys->i_write = 0;
597 p_sys->buffer = NULL;
598 p_sys->p_file = NULL;
599 p_sys->b_file_out = false;
600 p_sys->psz_file = var_CreateGetString( p_demux, "ts-dump-file" );
601 if( *p_sys->psz_file != '\0' )
602 {
603 p_sys->b_file_out = true;
604
605 b_append = var_CreateGetBool( p_demux, "ts-dump-append" );
606 if ( b_append )
607 psz_mode = "ab";
608 else
609 psz_mode = "wb";
610
611 if( !strcmp( p_sys->psz_file, "-" ) )
612 {
613 msg_Info( p_demux, "dumping raw stream to standard output" );
614 p_sys->p_file = stdout;
615 }
616 else if( ( p_sys->p_file = vlc_fopen( p_sys->psz_file, psz_mode ) ) == NULL )
617 {
618 msg_Err( p_demux, "cannot create `%s' for writing", p_sys->psz_file );
619 p_sys->b_file_out = false;
620 }
621
622 if( p_sys->b_file_out )
623 {
624 /* Determine how many packets to read. */
625 int bufsize = var_CreateGetInteger( p_demux, "ts-dump-size" );
626 p_sys->i_ts_read = (int) (bufsize / p_sys->i_packet_size);
627 if( p_sys->i_ts_read <= 0 )
628 {
629 p_sys->i_ts_read = 1500 / p_sys->i_packet_size;
630 }
631 p_sys->buffer = xmalloc( p_sys->i_packet_size * p_sys->i_ts_read );
632 msg_Info( p_demux, "%s raw stream to file `%s' reading packets %d",
633 b_append ? "appending" : "dumping", p_sys->psz_file,
634 p_sys->i_ts_read );
635 }
636 }
637
638 /* Fill p_demux field */
639 if( p_sys->b_file_out )
640 p_demux->pf_demux = DemuxFile;
641 else
642 p_demux->pf_demux = Demux;
643 p_demux->pf_control = Control;
644
645 /* Init p_sys field */
646 p_sys->b_dvb_meta = true;
647 p_sys->b_access_control = true;
648 p_sys->i_current_program = 0;
649 p_sys->programs_list.i_count = 0;
650 p_sys->programs_list.p_values = NULL;
651 p_sys->i_tdt_delta = 0;
652 p_sys->i_dvb_start = 0;
653 p_sys->i_dvb_length = 0;
654
655 p_sys->b_broken_charset = false;
656
657 for( i = 0; i < 8192; i++ )
658 {
659 ts_pid_t *pid = &p_sys->pid[i];
660
661 pid->i_pid = i;
662 pid->b_seen = false;
663 pid->b_valid = false;
664 }
665 /* PID 8191 is padding */
666 p_sys->pid[8191].b_seen = true;
667 p_sys->i_packet_size = i_packet_size;
668 p_sys->b_udp_out = false;
669 p_sys->fd = -1;
670 p_sys->i_ts_read = 50;
671 p_sys->csa = NULL;
672 p_sys->b_start_record = false;
673
674 /* Init PAT handler */
675 pat = &p_sys->pid[0];
676 PIDInit( pat, true, NULL );
677 pat->psi->handle = dvbpsi_AttachPAT( (dvbpsi_pat_callback)PATCallBack,
678 p_demux );
679 #ifdef TS_USE_DVB_SI
680 if( p_sys->b_dvb_meta )
681 {
682 ts_pid_t *sdt = &p_sys->pid[0x11];
683 ts_pid_t *eit = &p_sys->pid[0x12];
684
685 PIDInit( sdt, true, NULL );
686 sdt->psi->handle =
687 dvbpsi_AttachDemux( (dvbpsi_demux_new_cb_t)PSINewTableCallBack,
688 p_demux );
689 PIDInit( eit, true, NULL );
690 eit->psi->handle =
691 dvbpsi_AttachDemux( (dvbpsi_demux_new_cb_t)PSINewTableCallBack,
692 p_demux );
693 #ifdef TS_USE_TDT
694 ts_pid_t *tdt = &p_sys->pid[0x14];
695 PIDInit( tdt, true, NULL );
696 tdt->psi->handle =
697 dvbpsi_AttachDemux( (dvbpsi_demux_new_cb_t)PSINewTableCallBack,
698 p_demux );
699 #endif
700 if( p_sys->b_access_control )
701 {
702 if( SetPIDFilter( p_demux, 0x11, true ) ||
703 #ifdef TS_USE_TDT
704 SetPIDFilter( p_demux, 0x14, true ) ||
705 #endif
706 SetPIDFilter( p_demux, 0x12, true ) )
707 p_sys->b_access_control = false;
708 }
709 }
710 #endif
711
712 /* Init PMT array */
713 TAB_INIT( p_sys->i_pmt, p_sys->pmt );
714 p_sys->i_pmt_es = 0;
715
716 /* Read config */
717 p_sys->b_es_id_pid = var_CreateGetBool( p_demux, "ts-es-id-pid" );
718
719 char* psz_string = var_CreateGetString( p_demux, "ts-out" );
720 if( psz_string && *psz_string && !p_sys->b_file_out )
721 {
722 char *psz = strchr( psz_string, ':' );
723 int i_port = 0;
724
725 p_sys->b_udp_out = true;
726
727 if( psz )
728 {
729 *psz++ = '\0';
730 i_port = atoi( psz );
731 }
732 if( i_port <= 0 ) i_port = 1234;
733 msg_Dbg( p_demux, "resend ts to '%s:%d'", psz_string, i_port );
734
735 p_sys->fd = net_ConnectUDP( VLC_OBJECT(p_demux), psz_string, i_port, -1 );
736 if( p_sys->fd < 0 )
737 {
738 msg_Err( p_demux, "failed to open udp socket, send disabled" );
739 p_sys->b_udp_out = false;
740 }
741 else
742 {
743 int i_mtu = var_CreateGetInteger( p_demux, "ts-out-mtu" );
744 p_sys->i_ts_read = i_mtu / p_sys->i_packet_size;
745 if( p_sys->i_ts_read <= 0 )
746 {
747 p_sys->i_ts_read = 1500 / p_sys->i_packet_size;
748 }
749 p_sys->buffer = malloc( p_sys->i_packet_size * p_sys->i_ts_read );
750 }
751 }
752 free( psz_string );
753
754 /* We handle description of an extra PMT */
755 psz_string = var_CreateGetString( p_demux, "ts-extra-pmt" );
756 p_sys->b_user_pmt = false;
757 if( psz_string && *psz_string )
758 UserPmt( p_demux, psz_string );
759 free( psz_string );
760
761 psz_string = var_CreateGetStringCommand( p_demux, "ts-csa-ck" );
762 if( psz_string && *psz_string )
763 {
764 int i_res;
765 char* psz_csa2;
766
767 p_sys->csa = csa_New();
768
769 psz_csa2 = var_CreateGetStringCommand( p_demux, "ts-csa2-ck" );
770 i_res = csa_SetCW( (vlc_object_t*)p_demux, p_sys->csa, psz_string, true );
771 if( i_res == VLC_SUCCESS && psz_csa2 && *psz_csa2 )
772 {
773 if( csa_SetCW( (vlc_object_t*)p_demux, p_sys->csa, psz_csa2, false ) != VLC_SUCCESS )
774 {
775 csa_SetCW( (vlc_object_t*)p_demux, p_sys->csa, psz_string, false );
776 }
777 }
778 else if ( i_res == VLC_SUCCESS )
779 {
780 csa_SetCW( (vlc_object_t*)p_demux, p_sys->csa, psz_string, false );
781 }
782 else
783 {
784 csa_Delete( p_sys->csa );
785 p_sys->csa = NULL;
786 }
787
788 if( p_sys->csa )
789 {
790 var_AddCallback( p_demux, "ts-csa-ck", ChangeKeyCallback, (void *)1 );
791 var_AddCallback( p_demux, "ts-csa2-ck", ChangeKeyCallback, NULL );
792
793 int i_pkt = var_CreateGetInteger( p_demux, "ts-csa-pkt" );
794 if( i_pkt < 4 || i_pkt > 188 )
795 {
796 msg_Err( p_demux, "wrong packet size %d specified.", i_pkt );
797 msg_Warn( p_demux, "using default packet size of 188 bytes" );
798 p_sys->i_csa_pkt_size = 188;
799 }
800 else
801 p_sys->i_csa_pkt_size = i_pkt;
802 msg_Dbg( p_demux, "decrypting %d bytes of packet", p_sys->i_csa_pkt_size );
803 }
804 free( psz_csa2 );
805 }
806 free( psz_string );
807
808 p_sys->b_silent = var_CreateGetBool( p_demux, "ts-silent" );
809 p_sys->b_split_es = var_InheritBool( p_demux, "ts-split-es" );
810
811 while( !p_sys->b_file_out && p_sys->i_pmt_es <= 0 &&
812 vlc_object_alive( p_demux ) )
813 {
814 if( p_demux->pf_demux( p_demux ) != 1 )
815 break;
816 }
817
818
819 return VLC_SUCCESS;
820 }
821
822 /*****************************************************************************
823 * Close
824 *****************************************************************************/
825 static void Close( vlc_object_t *p_this )
826 {
827 demux_t *p_demux = (demux_t*)p_this;
828 demux_sys_t *p_sys = p_demux->p_sys;
829
830 msg_Dbg( p_demux, "pid list:" );
831 for( int i = 0; i < 8192; i++ )
832 {
833 ts_pid_t *pid = &p_sys->pid[i];
834
835 if( pid->b_valid && pid->psi )
836 {
837 switch( pid->i_pid )
838 {
839 case 0: /* PAT */
840 dvbpsi_DetachPAT( pid->psi->handle );
841 free( pid->psi );
842 break;
843 case 1: /* CAT */
844 free( pid->psi );
845 break;
846 default:
847 if( p_sys->b_dvb_meta && ( pid->i_pid == 0x11 || pid->i_pid == 0x12 || pid->i_pid == 0x14 ) )
848 {
849 /* SDT or EIT or TDT */
850 dvbpsi_DetachDemux( pid->psi->handle );
851 free( pid->psi );
852 }
853 else
854 {
855 PIDClean( p_demux, pid );
856 }
857 break;
858 }
859 }
860 else if( pid->b_valid && pid->es )
861 {
862 PIDClean( p_demux, pid );
863 }
864
865 if( pid->b_seen )
866 {
867 msg_Dbg( p_demux, " - pid[%d] seen", pid->i_pid );
868 }
869
870 /* too much */
871 if( pid->i_pid > 0 )
872 SetPIDFilter( p_demux, pid->i_pid, false );
873 }
874
875 vlc_mutex_lock( &p_sys->csa_lock );
876 if( p_sys->csa )
877 {
878 var_DelCallback( p_demux, "ts-csa-ck", ChangeKeyCallback, NULL );
879 var_DelCallback( p_demux, "ts-csa2-ck", ChangeKeyCallback, NULL );
880 csa_Delete( p_sys->csa );
881 }
882 vlc_mutex_unlock( &p_sys->csa_lock );
883
884 TAB_CLEAN( p_sys->i_pmt, p_sys->pmt );
885
886 free( p_sys->programs_list.p_values );
887
888 /* If in dump mode, then close the file */
889 if( p_sys->b_file_out )
890 {
891 msg_Info( p_demux ,"closing %s (%"PRId64" KiB dumped)",
892 p_sys->psz_file, p_sys->i_write / 1024 );
893
894 if( p_sys->p_file != stdout )
895 {
896 fclose( p_sys->p_file );
897 }
898 }
899 /* When streaming, close the port */
900 if( p_sys->fd > -1 )
901 {
902 net_Close( p_sys->fd );
903 }
904
905 free( p_sys->buffer );
906 free( p_sys->psz_file );
907
908 vlc_mutex_destroy( &p_sys->csa_lock );
909 free( p_sys );
910 }
911
912 /*****************************************************************************
913 * ChangeKeyCallback: called when changing the odd encryption key on the fly.
914 *****************************************************************************/
915 static int ChangeKeyCallback( vlc_object_t *p_this, char const *psz_cmd,
916 vlc_value_t oldval, vlc_value_t newval,
917 void *p_data )
918 {
919 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval);
920 demux_t *p_demux = (demux_t*)p_this;
921 demux_sys_t *p_sys = p_demux->p_sys;
922 int i_tmp = (intptr_t)p_data;
923
924 vlc_mutex_lock( &p_sys->csa_lock );
925 if ( i_tmp )
926 i_tmp = csa_SetCW( p_this, p_sys->csa, newval.psz_string, true );
927 else
928 i_tmp = csa_SetCW( p_this, p_sys->csa, newval.psz_string, false );
929
930 vlc_mutex_unlock( &p_sys->csa_lock );
931 return i_tmp;
932 }
933
934 /*****************************************************************************
935 * DemuxFile:
936 *****************************************************************************/
937 static int DemuxFile( demux_t *p_demux )
938 {
939 demux_sys_t *p_sys = p_demux->p_sys;
940 const int i_bufsize = p_sys->i_packet_size * p_sys->i_ts_read;
941 uint8_t *p_buffer = p_sys->buffer; /* Put first on sync byte */
942 const int i_data = stream_Read( p_demux->s, p_sys->buffer, i_bufsize );
943
944 if( i_data <= 0 && i_data < p_sys->i_packet_size )
945 {
946 msg_Dbg( p_demux, "error reading malformed packets" );
947 return i_data;
948 }
949
950 /* Test continuity counter */
951 for( int i_pos = 0; i_pos < i_data; )
952 {
953 if( p_sys->buffer[i_pos] != 0x47 )
954 {
955 msg_Warn( p_demux, "lost sync" );
956 while( vlc_object_alive (p_demux) && (i_pos < i_data) )
957 {
958 i_pos++;
959 if( p_sys->buffer[i_pos] == 0x47 )
960 break;
961 }
962 if( vlc_object_alive (p_demux) )
963 msg_Warn( p_demux, "sync found" );
964 }
965
966 /* continuous when (one of this):
967 * diff == 1
968 * diff == 0 and payload == 0
969 * diff == 0 and duplicate packet (playload != 0) <- should we
970 * test the content ?
971 */
972 const int i_cc = p_buffer[i_pos+3]&0x0f;
973 const bool b_payload = p_buffer[i_pos+3]&0x10;
974 const bool b_adaptation = p_buffer[i_pos+3]&0x20;
975
976 /* Get the PID */
977 ts_pid_t *p_pid = &p_sys->pid[ ((p_buffer[i_pos+1]&0x1f)<<8)|p_buffer[i_pos+2] ];
978
979 /* Detect discontinuity indicator in adaptation field */
980 if( b_adaptation && p_buffer[i_pos + 4] > 0 )
981 {
982 if( p_buffer[i_pos+5]&0x80 )
983 msg_Warn( p_demux, "discontinuity indicator (pid=%d) ", p_pid->i_pid );
984 if( p_buffer[i_pos+5]&0x40 )
985 msg_Warn( p_demux, "random access indicator (pid=%d) ", p_pid->i_pid );
986 }
987
988 const int i_diff = ( i_cc - p_pid->i_cc )&0x0f;
989 if( b_payload && i_diff == 1 )
990 {
991 p_pid->i_cc = ( p_pid->i_cc + 1 ) & 0xf;
992 }
993 else
994 {
995 if( p_pid->i_cc == 0xff )
996 {
997 msg_Warn( p_demux, "first packet for pid=%d cc=0x%x",
998 p_pid->i_pid, i_cc );
999 p_pid->i_cc = i_cc;
1000 }
1001 else if( i_diff != 0 )
1002 {
1003 /* FIXME what to do when discontinuity_indicator is set ? */
1004 msg_Warn( p_demux, "transport error detected 0x%x instead of 0x%x",
1005 i_cc, ( p_pid->i_cc + 1 )&0x0f );
1006
1007 p_pid->i_cc = i_cc;
1008 /* Mark transport error in the TS packet. */
1009 p_buffer[i_pos+1] |= 0x80;
1010 }
1011 }
1012
1013 /* Test if user wants to decrypt it first */
1014 if( p_sys->csa )
1015 {
1016 vlc_mutex_lock( &p_sys->csa_lock );
1017 csa_Decrypt( p_demux->p_sys->csa, &p_buffer[i_pos], p_demux->p_sys->i_csa_pkt_size );
1018 vlc_mutex_unlock( &p_sys->csa_lock );
1019 }
1020
1021 i_pos += p_sys->i_packet_size;
1022 }
1023
1024 /* Then write */
1025 const int i_write = fwrite( p_sys->buffer, 1, i_data, p_sys->p_file );
1026 if( i_write < 0 )
1027 {
1028 msg_Err( p_demux, "failed to write data" );
1029 return -1;
1030 }
1031
1032 p_sys->i_write += i_write;
1033 return 1;
1034 }
1035
1036 /*****************************************************************************
1037 * Demux:
1038 *****************************************************************************/
1039 static int Demux( demux_t *p_demux )
1040 {
1041 demux_sys_t *p_sys = p_demux->p_sys;
1042 bool b_wait_es = p_sys->i_pmt_es <= 0;
1043
1044 /* We read at most 100 TS packet or until a frame is completed */
1045 for( int i_pkt = 0; i_pkt < p_sys->i_ts_read; i_pkt++ )
1046 {
1047 bool b_frame = false;
1048 block_t *p_pkt;
1049
1050 /* Get a new TS packet */
1051 if( !( p_pkt = stream_Block( p_demux->s, p_sys->i_packet_size ) ) )
1052 {
1053 msg_Dbg( p_demux, "eof ?" );
1054 return 0;
1055 }
1056
1057 /* Check sync byte and re-sync if needed */
1058 if( p_pkt->p_buffer[0] != 0x47 )
1059 {
1060 msg_Warn( p_demux, "lost synchro" );
1061 block_Release( p_pkt );
1062
1063 while( vlc_object_alive (p_demux) )
1064 {
1065 const uint8_t *p_peek;
1066 int i_peek, i_skip = 0;
1067
1068 i_peek = stream_Peek( p_demux->s, &p_peek,
1069 p_sys->i_packet_size * 10 );
1070 if( i_peek < p_sys->i_packet_size + 1 )
1071 {
1072 msg_Dbg( p_demux, "eof ?" );
1073 return 0;
1074 }
1075
1076 while( i_skip < i_peek - p_sys->i_packet_size )
1077 {
1078 if( p_peek[i_skip] == 0x47 &&
1079 p_peek[i_skip + p_sys->i_packet_size] == 0x47 )
1080 {
1081 break;
1082 }
1083 i_skip++;
1084 }
1085
1086 msg_Dbg( p_demux, "skipping %d bytes of garbage", i_skip );
1087 stream_Read( p_demux->s, NULL, i_skip );
1088
1089 if( i_skip < i_peek - p_sys->i_packet_size )
1090 {
1091 break;
1092 }
1093 }
1094
1095 if( !( p_pkt = stream_Block( p_demux->s, p_sys->i_packet_size ) ) )
1096 {
1097 msg_Dbg( p_demux, "eof ?" );
1098 return 0;
1099 }
1100 }
1101
1102 if( p_sys->b_start_record )
1103 {
1104 /* Enable recording once synchronized */
1105 stream_Control( p_demux->s, STREAM_SET_RECORD_STATE, true, "ts" );
1106 p_sys->b_start_record = false;
1107 }
1108
1109 if( p_sys->b_udp_out )
1110 {
1111 memcpy( &p_sys->buffer[i_pkt * p_sys->i_packet_size],
1112 p_pkt->p_buffer, p_sys->i_packet_size );
1113 }
1114
1115 /* Parse the TS packet */
1116 ts_pid_t *p_pid = &p_sys->pid[PIDGet( p_pkt )];
1117
1118 if( p_pid->b_valid )
1119 {
1120 if( p_pid->psi )
1121 {
1122 if( p_pid->i_pid == 0 || ( p_sys->b_dvb_meta && ( p_pid->i_pid == 0x11 || p_pid->i_pid == 0x12 || p_pid->i_pid == 0x14 ) ) )
1123 {
1124 dvbpsi_PushPacket( p_pid->psi->handle, p_pkt->p_buffer );
1125 }
1126 else
1127 {
1128 for( int i_prg = 0; i_prg < p_pid->psi->i_prg; i_prg++ )
1129 {
1130 dvbpsi_PushPacket( p_pid->psi->prg[i_prg]->handle,
1131 p_pkt->p_buffer );
1132 }
1133 }
1134 block_Release( p_pkt );
1135 }
1136 else if( !p_sys->b_udp_out )
1137 {
1138 b_frame = GatherPES( p_demux, p_pid, p_pkt );
1139 }
1140 else
1141 {
1142 PCRHandle( p_demux, p_pid, p_pkt );
1143 block_Release( p_pkt );
1144 }
1145 }
1146 else
1147 {
1148 if( !p_pid->b_seen )
1149 {
1150 msg_Dbg( p_demux, "pid[%d] unknown", p_pid->i_pid );
1151 }
1152 /* We have to handle PCR if present */
1153 PCRHandle( p_demux, p_pid, p_pkt );
1154 block_Release( p_pkt );
1155 }
1156 p_pid->b_seen = true;
1157
1158 if( b_frame || ( b_wait_es && p_sys->i_pmt_es > 0 ) )
1159 break;
1160 }
1161
1162 if( p_sys->b_udp_out )
1163 {
1164 /* Send the complete block */
1165 net_Write( p_demux, p_sys->fd, NULL, p_sys->buffer,
1166 p_sys->i_ts_read * p_sys->i_packet_size );
1167 }
1168
1169 return 1;
1170 }
1171
1172 /*****************************************************************************
1173 * Control:
1174 *****************************************************************************/
1175 static int DVBEventInformation( demux_t *p_demux, int64_t *pi_time, int64_t *pi_length )
1176 {
1177 demux_sys_t *p_sys = p_demux->p_sys;
1178 if( pi_length )
1179 *pi_length = 0;
1180 if( pi_time )
1181 *pi_time = 0;
1182
1183 if( p_sys->i_dvb_length > 0 )
1184 {
1185 #ifdef TS_USE_TDT
1186 const int64_t t = mdate() + p_sys->i_tdt_delta;
1187 #else
1188 const int64_t t = CLOCK_FREQ * time ( NULL );
1189 #endif
1190
1191 if( p_sys->i_dvb_start <= t && t < p_sys->i_dvb_start + p_sys->i_dvb_length )
1192 {
1193 if( pi_length )
1194 *pi_length = p_sys->i_dvb_length;
1195 if( pi_time )
1196 *pi_time = t - p_sys->i_dvb_start;
1197 return VLC_SUCCESS;
1198 }
1199 }
1200 return VLC_EGENERIC;
1201 }
1202
1203 static int Control( demux_t *p_demux, int i_query, va_list args )
1204 {
1205 demux_sys_t *p_sys = p_demux->p_sys;
1206 double f, *pf;
1207 bool b_bool, *pb_bool;
1208 int64_t i64;
1209 int64_t *pi64;
1210 int i_int;
1211
1212 if( p_sys->b_file_out )
1213 return demux_vaControlHelper( p_demux->s, 0, -1, 0, 1, i_query, args );
1214
1215 switch( i_query )
1216 {
1217 case DEMUX_GET_POSITION:
1218 pf = (double*) va_arg( args, double* );
1219 i64 = stream_Size( p_demux->s );
1220 if( i64 > 0 )
1221 {
1222 double f_current = stream_Tell( p_demux->s );
1223 *pf = f_current / (double)i64;
1224 }
1225 else
1226 {
1227 int64_t i_time, i_length;
1228 if( !DVBEventInformation( p_demux, &i_time, &i_length ) && i_length > 0 )
1229 *pf = (double)i_time/(double)i_length;
1230 else
1231 *pf = 0.0;
1232 }
1233 return VLC_SUCCESS;
1234 case DEMUX_SET_POSITION:
1235 f = (double) va_arg( args, double );
1236 i64 = stream_Size( p_demux->s );
1237
1238 if( stream_Seek( p_demux->s, (int64_t)(i64 * f) ) )
1239 return VLC_EGENERIC;
1240
1241 return VLC_SUCCESS;
1242 #if 0
1243
1244 case DEMUX_GET_TIME:
1245 pi64 = (int64_t*)va_arg( args, int64_t * );
1246 if( p_sys->i_time < 0 )
1247 {
1248 *pi64 = 0;
1249 return VLC_EGENERIC;
1250 }
1251 *pi64 = p_sys->i_time;
1252 return VLC_SUCCESS;
1253
1254 case DEMUX_GET_LENGTH:
1255 pi64 = (int64_t*)va_arg( args, int64_t * );
1256 if( p_sys->i_mux_rate > 0 )
1257 {
1258 *pi64 = INT64_C(1000000) * ( stream_Size( p_demux->s ) / 50 ) /
1259 p_sys->i_mux_rate;
1260 return VLC_SUCCESS;
1261 }
1262 *pi64 = 0;
1263 return VLC_EGENERIC;
1264 #else
1265 case DEMUX_GET_TIME:
1266 pi64 = (int64_t*)va_arg( args, int64_t * );
1267 if( DVBEventInformation( p_demux, pi64, NULL ) )
1268 *pi64 = 0;
1269 return VLC_SUCCESS;
1270
1271 case DEMUX_GET_LENGTH:
1272 pi64 = (int64_t*)va_arg( args, int64_t * );
1273 if( DVBEventInformation( p_demux, NULL, pi64 ) )
1274 *pi64 = 0;
1275 return VLC_SUCCESS;
1276 #endif
1277 case DEMUX_SET_GROUP:
1278 {
1279 vlc_list_t *p_list;
1280
1281 i_int = (int)va_arg( args, int );
1282 p_list = (vlc_list_t *)va_arg( args, vlc_list_t * );
1283 msg_Dbg( p_demux, "DEMUX_SET_GROUP %d %p", i_int, p_list );
1284
1285 if( i_int == 0 && p_sys->i_current_program > 0 )
1286 i_int = p_sys->i_current_program;
1287
1288 if( p_sys->i_current_program > 0 )
1289 {
1290 if( p_sys->i_current_program != i_int )
1291 SetPrgFilter( p_demux, p_sys->i_current_program, false );
1292 }
1293 else if( p_sys->i_current_program < 0 )
1294 {
1295 for( int i = 0; i < p_sys->programs_list.i_count; i++ )
1296 SetPrgFilter( p_demux, p_sys->programs_list.p_values[i].i_int, false );
1297 }
1298
1299 if( i_int > 0 )
1300 {
1301 p_sys->i_current_program = i_int;
1302 SetPrgFilter( p_demux, p_sys->i_current_program, true );
1303 }
1304 else if( i_int < 0 )
1305 {
1306 p_sys->i_current_program = -1;
1307 p_sys->programs_list.i_count = 0;
1308 if( p_list )
1309 {
1310 vlc_list_t *p_dst = &p_sys->programs_list;
1311 free( p_dst->p_values );
1312
1313 p_dst->p_values = calloc( p_list->i_count,
1314 sizeof(*p_dst->p_values) );
1315 if( p_dst->p_values )
1316 {
1317 p_dst->i_count = p_list->i_count;
1318 for( int i = 0; i < p_list->i_count; i++ )
1319 {
1320 p_dst->p_values[i] = p_list->p_values[i];
1321 SetPrgFilter( p_demux, p_dst->p_values[i].i_int, true );
1322 }
1323 }
1324 }
1325 }
1326 return VLC_SUCCESS;
1327 }
1328
1329 case DEMUX_CAN_RECORD:
1330 pb_bool = (bool*)va_arg( args, bool * );
1331 *pb_bool = true;
1332 return VLC_SUCCESS;
1333
1334 case DEMUX_SET_RECORD_STATE:
1335 b_bool = (bool)va_arg( args, int );
1336
1337 if( !b_bool )
1338 stream_Control( p_demux->s, STREAM_SET_RECORD_STATE, false );
1339 p_sys->b_start_record = b_bool;
1340 return VLC_SUCCESS;
1341
1342 case DEMUX_GET_FPS:
1343 case DEMUX_SET_TIME:
1344 default:
1345 return VLC_EGENERIC;
1346 }
1347 }
1348
1349 /*****************************************************************************
1350 *
1351 *****************************************************************************/
1352 static int UserPmt( demux_t *p_demux, const char *psz_fmt )
1353 {
1354 demux_sys_t *p_sys = p_demux->p_sys;
1355 char *psz_dup = strdup( psz_fmt );
1356 char *psz = psz_dup;
1357 int i_pid;
1358 int i_number;
1359
1360 if( !psz_dup )
1361 return VLC_ENOMEM;
1362
1363 /* Parse PID */
1364 i_pid = strtol( psz, &psz, 0 );
1365 if( i_pid < 2 || i_pid >= 8192 )
1366 goto error;
1367
1368 /* Parse optional program number */
1369 i_number = 0;
1370 if( *psz == ':' )
1371 i_number = strtol( &psz[1], &psz, 0 );
1372
1373 /* */
1374 ts_pid_t *pmt = &p_sys->pid[i_pid];
1375 ts_prg_psi_t *prg;
1376
1377 msg_Dbg( p_demux, "user pmt specified (pid=%d,number=%d)", i_pid, i_number );
1378 PIDInit( pmt, true, NULL );
1379
1380 /* Dummy PMT */
1381 prg = malloc( sizeof( ts_prg_psi_t ) );
1382 if( !prg )
1383 goto error;
1384
1385 memset( prg, 0, sizeof( ts_prg_psi_t ) );
1386 prg->i_pid_pcr = -1;
1387 prg->i_pid_pmt = -1;
1388 prg->i_version = -1;
1389 prg->i_number = i_number != 0 ? i_number : TS_USER_PMT_NUMBER;
1390 prg->handle = dvbpsi_AttachPMT( i_number != TS_USER_PMT_NUMBER ? i_number : 1, (dvbpsi_pmt_callback)PMTCallBack, p_demux );
1391 TAB_APPEND( pmt->psi->i_prg, pmt->psi->prg, prg );
1392
1393 psz = strchr( psz, '=' );
1394 if( psz )
1395 psz++;
1396 while( psz && *psz )
1397 {
1398 char *psz_next = strchr( psz, ',' );
1399 int i_pid;
1400
1401 if( psz_next )
1402 *psz_next++ = '\0';
1403
1404 i_pid = strtol( psz, &psz, 0 );
1405 if( *psz != ':' || i_pid < 2 || i_pid >= 8192 )
1406 goto next;
1407
1408 char *psz_opt = &psz[1];
1409 if( !strcmp( psz_opt, "pcr" ) )
1410 {
1411 prg->i_pid_pcr = i_pid;
1412 }
1413 else if( !p_sys->pid[i_pid].b_valid )
1414 {
1415 ts_pid_t *pid = &p_sys->pid[i_pid];
1416
1417 char *psz_arg = strchr( psz_opt, '=' );
1418 if( psz_arg )
1419 *psz_arg++ = '\0';
1420
1421 PIDInit( pid, false, pmt->psi);
1422 if( prg->i_pid_pcr <= 0 )
1423 prg->i_pid_pcr = i_pid;
1424
1425 if( psz_arg && strlen( psz_arg ) == 4 )
1426 {
1427 const vlc_fourcc_t i_codec = VLC_FOURCC( psz_arg[0], psz_arg[1],
1428 psz_arg[2], psz_arg[3] );
1429 int i_cat = UNKNOWN_ES;
1430 es_format_t *fmt = &pid->es->fmt;
1431
1432 if( !strcmp( psz_opt, "video" ) )
1433 i_cat = VIDEO_ES;
1434 else if( !strcmp( psz_opt, "audio" ) )
1435 i_cat = AUDIO_ES;
1436 else if( !strcmp( psz_opt, "spu" ) )
1437 i_cat = SPU_ES;
1438
1439 es_format_Init( fmt, i_cat, i_codec );
1440 fmt->b_packetized = false;
1441 }
1442 else
1443 {
1444 const int i_stream_type = strtol( psz_opt, NULL, 0 );
1445 PIDFillFormat( pid, i_stream_type );
1446 }
1447 pid->es->fmt.i_group = i_number;
1448 if( p_sys->b_es_id_pid )
1449 pid->es->fmt.i_id = i_pid;
1450
1451 if( pid->es->fmt.i_cat != UNKNOWN_ES )
1452 {
1453 msg_Dbg( p_demux, " * es pid=%d fcc=%4.4s", i_pid,
1454 (char*)&pid->es->fmt.i_codec );
1455 pid->es->id = es_out_Add( p_demux->out,
1456 &pid->es->fmt );
1457 p_sys->i_pmt_es++;
1458 }
1459 }
1460
1461 next:
1462 psz = psz_next;
1463 }
1464
1465 p_sys->b_user_pmt = true;
1466 TAB_APPEND( p_sys->i_pmt, p_sys->pmt, pmt );
1467 free( psz_dup );
1468 return VLC_SUCCESS;
1469
1470 error:
1471 free( psz_dup );
1472 return VLC_EGENERIC;
1473 }
1474
1475 static int SetPIDFilter( demux_t *p_demux, int i_pid, bool b_selected )
1476 {
1477 demux_sys_t *p_sys = p_demux->p_sys;
1478
1479 if( !p_sys->b_access_control )
1480 return VLC_EGENERIC;
1481
1482 return stream_Control( p_demux->s, STREAM_CONTROL_ACCESS,
1483 ACCESS_SET_PRIVATE_ID_STATE, i_pid, b_selected );
1484 }
1485
1486 static void SetPrgFilter( demux_t *p_demux, int i_prg_id, bool b_selected )
1487 {
1488 demux_sys_t *p_sys = p_demux->p_sys;
1489 ts_prg_psi_t *p_prg = NULL;
1490 int i_pmt_pid = -1;
1491
1492 /* Search pmt to be unselected */
1493 for( int i = 0; i < p_sys->i_pmt; i++ )
1494 {
1495 ts_pid_t *pmt = p_sys->pmt[i];
1496
1497 for( int i_prg = 0; i_prg < pmt->psi->i_prg; i_prg++ )
1498 {
1499 if( pmt->psi->prg[i_prg]->i_number == i_prg_id )
1500 {
1501 i_pmt_pid = p_sys->pmt[i]->i_pid;
1502 p_prg = p_sys->pmt[i]->psi->prg[i_prg];
1503 break;
1504 }
1505 }
1506 if( i_pmt_pid > 0 )
1507 break;
1508 }
1509 if( i_pmt_pid <= 0 )
1510 return;
1511 assert( p_prg );
1512
1513 SetPIDFilter( p_demux, i_pmt_pid, b_selected );
1514 if( p_prg->i_pid_pcr > 0 )
1515 SetPIDFilter( p_demux, p_prg->i_pid_pcr, b_selected );
1516
1517 /* All ES */
1518 for( int i = 2; i < 8192; i++ )
1519 {
1520 ts_pid_t *pid = &p_sys->pid[i];
1521
1522 if( !pid->b_valid || pid->psi )
1523 continue;
1524
1525 for( int i_prg = 0; i_prg < pid->p_owner->i_prg; i_prg++ )
1526 {
1527 if( pid->p_owner->prg[i_prg]->i_pid_pmt == i_pmt_pid && pid->es->id )
1528 {
1529 /* We only remove/select es that aren't defined by extra pmt */
1530 SetPIDFilter( p_demux, i, b_selected );
1531 break;
1532 }
1533 }
1534 }
1535 }
1536
1537 static void PIDInit( ts_pid_t *pid, bool b_psi, ts_psi_t *p_owner )
1538 {
1539 bool b_old_valid = pid->b_valid;
1540
1541 pid->b_valid = true;
1542 pid->i_cc = 0xff;
1543 pid->b_scrambled = false;
1544 pid->p_owner = p_owner;
1545 pid->i_owner_number = 0;
1546
1547 TAB_INIT( pid->i_extra_es, pid->extra_es );
1548
1549 if( b_psi )
1550 {
1551 pid->es = NULL;
1552
1553 if( !b_old_valid )
1554 {
1555 pid->psi = xmalloc( sizeof( ts_psi_t ) );
1556 if( pid->psi )
1557 {
1558 pid->psi->handle = NULL;
1559 TAB_INIT( pid->psi->i_prg, pid->psi->prg );
1560 }
1561 }
1562 assert( pid->psi );
1563
1564 pid->psi->i_pat_version = -1;
1565 pid->psi->i_sdt_version = -1;
1566 if( p_owner )
1567 {
1568 ts_prg_psi_t *prg = malloc( sizeof( ts_prg_psi_t ) );
1569 if( prg )
1570 {
1571 /* PMT */
1572 prg->i_version = -1;
1573 prg->i_number = -1;
1574 prg->i_pid_pcr = -1;
1575 prg->i_pid_pmt = -1;
1576 prg->iod = NULL;
1577 prg->handle = NULL;
1578
1579 TAB_APPEND( pid->psi->i_prg, pid->psi->prg, prg );
1580 }
1581 }
1582 }
1583 else
1584 {
1585 pid->psi = NULL;
1586 pid->es = malloc( sizeof( ts_es_t ) );
1587 if( pid->es )
1588 {
1589 es_format_Init( &pid->es->fmt, UNKNOWN_ES, 0 );
1590 pid->es->id = NULL;
1591 pid->es->p_pes = NULL;
1592 pid->es->i_pes_size= 0;
1593 pid->es->i_pes_gathered= 0;
1594 pid->es->pp_last = &pid->es->p_pes;
1595 pid->es->p_mpeg4desc = NULL;
1596 pid->es->b_gather = false;
1597 }
1598 }
1599 }
1600
1601 static void PIDClean( demux_t *p_demux, ts_pid_t *pid )
1602 {
1603 demux_sys_t *p_sys = p_demux->p_sys;
1604 es_out_t *out = p_demux->out;
1605
1606 if( pid->psi )
1607 {
1608 if( pid->psi->handle )
1609 dvbpsi_DetachPMT( pid->psi->handle );
1610 for( int i = 0; i < pid->psi->i_prg; i++ )
1611 {
1612 if( pid->psi->prg[i]->iod )
1613 IODFree( pid->psi->prg[i]->iod );
1614 if( pid->psi->prg[i]->handle )
1615 dvbpsi_DetachPMT( pid->psi->prg[i]->handle );
1616 free( pid->psi->prg[i] );
1617 }
1618 free( pid->psi->prg );
1619 free( pid->psi );
1620 }
1621 else
1622 {
1623 if( pid->es->id )
1624 {
1625 es_out_Del( out, pid->es->id );
1626 p_sys->i_pmt_es--;
1627 }
1628
1629 if( pid->es->p_pes )
1630 block_ChainRelease( pid->es->p_pes );
1631
1632 es_format_Clean( &pid->es->fmt );
1633
1634 free( pid->es );
1635
1636 for( int i = 0; i < pid->i_extra_es; i++ )
1637 {
1638 if( pid->extra_es[i]->id )
1639 {
1640 es_out_Del( out, pid->extra_es[i]->id );
1641 p_sys->i_pmt_es--;
1642 }
1643
1644 if( pid->extra_es[i]->p_pes )
1645 block_ChainRelease( pid->extra_es[i]->p_pes );
1646
1647 es_format_Clean( &pid->extra_es[i]->fmt );
1648
1649 free( pid->extra_es[i] );
1650 }
1651 if( pid->i_extra_es )
1652 free( pid->extra_es );
1653 }
1654
1655 pid->b_valid = false;
1656 }
1657
1658 /****************************************************************************
1659 * gathering stuff
1660 ****************************************************************************/
1661 static void ParsePES( demux_t *p_demux, ts_pid_t *pid )
1662 {
1663 block_t *p_pes = pid->es->p_pes;
1664 uint8_t header[34];
1665 unsigned i_pes_size = 0;
1666 unsigned i_skip = 0;
1667 mtime_t i_dts = -1;
1668 mtime_t i_pts = -1;
1669 mtime_t i_length = 0;
1670
1671 /* remove the pes from pid */
1672 pid->es->p_pes = NULL;
1673 pid->es->i_pes_size= 0;
1674 pid->es->i_pes_gathered= 0;
1675 pid->es->pp_last = &pid->es->p_pes;
1676
1677 /* FIXME find real max size */
1678 /* const int i_max = */ block_ChainExtract( p_pes, header, 34 );
1679
1680 if( header[0] != 0 || header[1] != 0 || header[2] != 1 )
1681 {
1682 if( !p_demux->p_sys->b_silent )
1683 msg_Warn( p_demux, "invalid header [0x%x:%x:%x:%x] (pid: %d)",
1684 header[0], header[1],header[2],header[3], pid->i_pid );
1685 block_ChainRelease( p_pes );
1686 return;
1687 }
1688
1689 /* TODO check size */
1690 switch( header[3] )
1691 {
1692 case 0xBC: /* Program stream map */
1693 case 0xBE: /* Padding */
1694 case 0xBF: /* Private stream 2 */
1695 case 0xF0: /* ECM */
1696 case 0xF1: /* EMM */
1697 case 0xFF: /* Program stream directory */
1698 case 0xF2: /* DSMCC stream */
1699 case 0xF8: /* ITU-T H.222.1 type E stream */
1700 i_skip = 6;
1701 break;
1702 default:
1703 if( ( header[6]&0xC0 ) == 0x80 )
1704 {
1705 /* mpeg2 PES */
1706 i_skip = header[8] + 9;
1707
1708 if( header[7]&0x80 ) /* has pts */
1709 {
1710 i_pts = ((mtime_t)(header[ 9]&0x0e ) << 29)|
1711 (mtime_t)(header[10] << 22)|
1712 ((mtime_t)(header[11]&0xfe) << 14)|
1713 (mtime_t)(header[12] << 7)|
1714 (mtime_t)(header[13] >> 1);
1715
1716 if( header[7]&0x40 ) /* has dts */
1717 {
1718 i_dts = ((mtime_t)(header[14]&0x0e ) << 29)|
1719 (mtime_t)(header[15] << 22)|
1720 ((mtime_t)(header[16]&0xfe) << 14)|
1721 (mtime_t)(header[17] << 7)|
1722 (mtime_t)(header[18] >> 1);
1723 }
1724 }
1725 }
1726 else
1727 {
1728 i_skip = 6;
1729 while( i_skip < 23 && header[i_skip] == 0xff )
1730 {
1731 i_skip++;
1732 }
1733 if( i_skip == 23 )
1734 {
1735 msg_Err( p_demux, "too much MPEG-1 stuffing" );
1736 block_ChainRelease( p_pes );
1737 return;
1738 }
1739 if( ( header[i_skip] & 0xC0 ) == 0x40 )
1740 {
1741 i_skip += 2;
1742 }
1743
1744 if( header[i_skip]&0x20 )
1745 {
1746 i_pts = ((mtime_t)(header[i_skip]&0x0e ) << 29)|
1747 (mtime_t)(header[i_skip+1] << 22)|
1748 ((mtime_t)(header[i_skip+2]&0xfe) << 14)|
1749 (mtime_t)(header[i_skip+3] << 7)|
1750 (mtime_t)(header[i_skip+4] >> 1);
1751
1752 if( header[i_skip]&0x10 ) /* has dts */
1753 {
1754 i_dts = ((mtime_t)(header[i_skip+5]&0x0e ) << 29)|
1755 (mtime_t)(header[i_skip+6] << 22)|
1756 ((mtime_t)(header[i_skip+7]&0xfe) << 14)|
1757 (mtime_t)(header[i_skip+8] << 7)|
1758 (mtime_t)(header[i_skip+9] >> 1);
1759 i_skip += 10;
1760 }
1761 else
1762 {
1763 i_skip += 5;
1764 }
1765 }
1766 else
1767 {
1768 i_skip += 1;
1769 }
1770 }
1771 break;
1772 }
1773
1774 if( pid->es->fmt.i_codec == VLC_FOURCC( 'a', '5', '2', 'b' ) ||
1775 pid->es->fmt.i_codec == VLC_FOURCC( 'd', 't', 's', 'b' ) )
1776 {
1777 i_skip += 4;
1778 }
1779 else if( pid->es->fmt.i_codec == VLC_FOURCC( 'l', 'p', 'c', 'b' ) ||
1780 pid->es->fmt.i_codec == VLC_FOURCC( 's', 'p', 'u', 'b' ) ||
1781 pid->es->fmt.i_codec == VLC_FOURCC( 's', 'd', 'd', 'b' ) )
1782 {
1783 i_skip += 1;
1784 }
1785 else if( pid->es->fmt.i_codec == VLC_CODEC_SUBT &&
1786 pid->es->p_mpeg4desc )
1787 {
1788 decoder_config_descriptor_t *dcd = &pid->es->p_mpeg4desc->dec_descr;
1789
1790 if( dcd->i_decoder_specific_info_len > 2 &&
1791 dcd->p_decoder_specific_info[0] == 0x10 &&
1792 ( dcd->p_decoder_specific_info[1]&0x10 ) )
1793 {
1794 /* display length */
1795 if( p_pes->i_buffer + 2 <= i_skip )
1796 i_length = GetWBE( &p_pes->p_buffer[i_skip] );
1797
1798 i_skip += 2;
1799 }
1800 if( p_pes->i_buffer + 2 <= i_skip )
1801 i_pes_size = GetWBE( &p_pes->p_buffer[i_skip] );
1802 /* */
1803 i_skip += 2;
1804 }
1805 #ifdef ZVBI_COMPILED
1806 else if( pid->es->fmt.i_codec == VLC_CODEC_TELETEXT )
1807 i_skip = 0; /*hack for zvbi support */
1808 #endif
1809 /* skip header */
1810 while( p_pes && i_skip > 0 )
1811 {
1812 if( p_pes->i_buffer <= i_skip )
1813 {
1814 block_t *p_next = p_pes->p_next;
1815
1816 i_skip -= p_pes->i_buffer;
1817 block_Release( p_pes );
1818 p_pes = p_next;
1819 }
1820 else
1821 {
1822 p_pes->i_buffer -= i_skip;
1823 p_pes->p_buffer += i_skip;
1824 break;
1825 }
1826 }
1827
1828 /* ISO/IEC 13818-1 2.7.5: if no pts and no dts, then dts == pts */
1829 if( i_pts >= 0 && i_dts < 0 )
1830 i_dts = i_pts;
1831
1832 if( p_pes )
1833 {
1834 block_t *p_block;
1835 int i;
1836
1837 if( i_dts >= 0 )
1838 p_pes->i_dts = VLC_TS_0 + i_dts * 100 / 9;
1839
1840 if( i_pts >= 0 )
1841 p_pes->i_pts = VLC_TS_0 + i_pts * 100 / 9;
1842
1843 p_pes->i_length = i_length * 100 / 9;
1844
1845 p_block = block_ChainGather( p_pes );
1846 if( pid->es->fmt.i_codec == VLC_CODEC_SUBT )
1847 {
1848 if( i_pes_size > 0 && p_block->i_buffer > i_pes_size )
1849 {
1850 p_block->i_buffer = i_pes_size;
1851 }
1852 /* Append a \0 */
1853 p_block = block_Realloc( p_block, 0, p_block->i_buffer + 1 );
1854 p_block->p_buffer[p_block->i_buffer -1] = '\0';
1855 }
1856
1857 for( i = 0; i < pid->i_extra_es; i++ )
1858 {
1859 es_out_Send( p_demux->out, pid->extra_es[i]->id,
1860 block_Duplicate( p_block ) );
1861 }
1862
1863 es_out_Send( p_demux->out, pid->es->id, p_block );
1864 }
1865 else
1866 {
1867 msg_Warn( p_demux, "empty pes" );
1868 }
1869 }
1870
1871 static void PCRHandle( demux_t *p_demux, ts_pid_t *pid, block_t *p_bk )
1872 {
1873 demux_sys_t *p_sys = p_demux->p_sys;
1874 const uint8_t *p = p_bk->p_buffer;
1875
1876 if( p_sys->i_pmt_es <= 0 )
1877 return;
1878
1879 if( ( p[3]&0x20 ) && /* adaptation */
1880 ( p[5]&0x10 ) &&
1881 ( p[4] >= 7 ) )
1882 {
1883 /* PCR is 33 bits */
1884 const mtime_t i_pcr = ( (mtime_t)p[6] << 25 ) |
1885 ( (mtime_t)p[7] << 17 ) |
1886 ( (mtime_t)p[8] << 9 ) |
1887 ( (mtime_t)p[9] << 1 ) |
1888 ( (mtime_t)p[10] >> 7 );
1889
1890 /* Search program and set the PCR */
1891 for( int i = 0; i < p_sys->i_pmt; i++ )
1892 {
1893 for( int i_prg = 0; i_prg < p_sys->pmt[i]->psi->i_prg; i_prg++ )
1894 {
1895 if( pid->i_pid == p_sys->pmt[i]->psi->prg[i_prg]->i_pid_pcr )
1896 {
1897 es_out_Control( p_demux->out, ES_OUT_SET_GROUP_PCR,
1898 (int)p_sys->pmt[i]->psi->prg[i_prg]->i_number,
1899 (int64_t)(VLC_TS_0 + i_pcr * 100 / 9) );
1900 }
1901 }
1902 }
1903 }
1904 }
1905
1906 static bool GatherPES( demux_t *p_demux, ts_pid_t *pid, block_t *p_bk )
1907 {
1908 const uint8_t *p = p_bk->p_buffer;
1909 const bool b_unit_start = p[1]&0x40;
1910 const bool b_scrambled = p[3]&0x80;
1911 const bool b_adaptation = p[3]&0x20;
1912 const bool b_payload = p[3]&0x10;
1913 const int i_cc = p[3]&0x0f; /* continuity counter */
1914 bool b_discontinuity = false; /* discontinuity */
1915
1916 /* transport_scrambling_control is ignored */
1917 int i_skip = 0;
1918 bool i_ret = false;
1919
1920 #if 0
1921 msg_Dbg( p_demux, "pid=%d unit_start=%d adaptation=%d payload=%d "
1922 "cc=0x%x", pid->i_pid, b_unit_start, b_adaptation,
1923 b_payload, i_cc );
1924 #endif
1925
1926 /* For now, ignore additional error correction
1927 * TODO: handle Reed-Solomon 204,188 error correction */
1928 p_bk->i_buffer = TS_PACKET_SIZE_188;
1929
1930 if( p[1]&0x80 )
1931 {
1932 msg_Dbg( p_demux, "transport_error_indicator set (pid=%d)",
1933 pid->i_pid );
1934 if( pid->es->p_pes ) //&& pid->es->fmt.i_cat == VIDEO_ES )
1935 pid->es->p_pes->i_flags |= BLOCK_FLAG_CORRUPTED;
1936 }
1937
1938 if( p_demux->p_sys->csa )
1939 {
1940 vlc_mutex_lock( &p_demux->p_sys->csa_lock );
1941 csa_Decrypt( p_demux->p_sys->csa, p_bk->p_buffer, p_demux->p_sys->i_csa_pkt_size );
1942 vlc_mutex_unlock( &p_demux->p_sys->csa_lock );
1943 }
1944
1945 if( !b_adaptation )
1946 {
1947 /* We don't have any adaptation_field, so payload starts
1948 * immediately after the 4 byte TS header */
1949 i_skip = 4;
1950 }
1951 else
1952 {
1953 /* p[4] is adaptation_field_length minus one */
1954 i_skip = 5 + p[4];
1955 if( p[4] > 0 )
1956 {
1957 /* discontinuity indicator found in stream */
1958 b_discontinuity = (p[5]&0x80) ? true : false;
1959 if( b_discontinuity && pid->es->p_pes )
1960 {
1961 msg_Warn( p_demux, "discontinuity indicator (pid=%d) ",
1962 pid->i_pid );
1963 /* pid->es->p_pes->i_flags |= BLOCK_FLAG_DISCONTINUITY; */
1964 }
1965 #if 0
1966 if( p[5]&0x40 )
1967 msg_Dbg( p_demux, "random access indicator (pid=%d) ", pid->i_pid );
1968 #endif
1969 }
1970 }
1971
1972 /* Test continuity counter */
1973 /* continuous when (one of this):
1974 * diff == 1
1975 * diff == 0 and payload == 0
1976 * diff == 0 and duplicate packet (playload != 0) <- should we
1977 * test the content ?
1978 */
1979 const int i_diff = ( i_cc - pid->i_cc )&0x0f;
1980 if( b_payload && i_diff == 1 )
1981 {
1982 pid->i_cc = ( pid->i_cc + 1 ) & 0xf;
1983 }
1984 else
1985 {
1986 if( pid->i_cc == 0xff )
1987 {
1988 msg_Warn( p_demux, "first packet for pid=%d cc=0x%x",
1989 pid->i_pid, i_cc );
1990 pid->i_cc = i_cc;
1991 }
1992 else if( i_diff != 0 && !b_discontinuity )
1993 {
1994 msg_Warn( p_demux, "discontinuity received 0x%x instead of 0x%x (pid=%d)",
1995 i_cc, ( pid->i_cc + 1 )&0x0f, pid->i_pid );
1996
1997 pid->i_cc = i_cc;
1998 if( pid->es->p_pes && pid->es->fmt.i_cat != VIDEO_ES )
1999 {
2000 /* Small video artifacts are usually better than
2001 * dropping full frames */
2002 pid->es->p_pes->i_flags |= BLOCK_FLAG_CORRUPTED;
2003 }
2004 }
2005 }
2006
2007 PCRHandle( p_demux, pid, p_bk );
2008
2009 if( i_skip >= 188 || pid->es->id == NULL || p_demux->p_sys->b_udp_out )
2010 {
2011 block_Release( p_bk );
2012 return i_ret;
2013 }
2014
2015 /* */
2016 if( !pid->b_scrambled != !b_scrambled )
2017 {
2018 msg_Warn( p_demux, "scrambled state changed on pid %d (%d->%d)",
2019 pid->i_pid, pid->b_scrambled, b_scrambled );
2020
2021 pid->b_scrambled = b_scrambled;
2022
2023 for( int i = 0; i < pid->i_extra_es; i++ )
2024 {
2025 es_out_Control( p_demux->out, ES_OUT_SET_ES_SCRAMBLED_STATE,
2026 pid->extra_es[i]->id, b_scrambled );
2027 }
2028 es_out_Control( p_demux->out, ES_OUT_SET_ES_SCRAMBLED_STATE,
2029 pid->es->id, b_scrambled );
2030 }
2031
2032 /* We have to gather it */
2033 p_bk->p_buffer += i_skip;
2034 p_bk->i_buffer -= i_skip;
2035
2036 if( b_unit_start )
2037 {
2038 if( pid->es->p_pes )
2039 {
2040 ParsePES( p_demux, pid );
2041 i_ret = true;
2042 }
2043
2044 block_ChainLastAppend( &pid->es->pp_last, p_bk );
2045 if( p_bk->i_buffer > 6 )
2046 {
2047 pid->es->i_pes_size = GetWBE( &p_bk->p_buffer[4] );
2048 if( pid->es->i_pes_size > 0 )
2049 {
2050 pid->es->i_pes_size += 6;
2051 }
2052 }
2053 pid->es->i_pes_gathered += p_bk->i_buffer;
2054 if( pid->es->i_pes_size > 0 &&
2055 pid->es->i_pes_gathered >= pid->es->i_pes_size )
2056 {
2057 ParsePES( p_demux, pid );
2058 i_ret = true;
2059 }
2060 }
2061 else
2062 {
2063 if( pid->es->p_pes == NULL )
2064 {
2065 /* msg_Dbg( p_demux, "broken packet" ); */
2066 block_Release( p_bk );
2067 }
2068 else
2069 {
2070 block_ChainLastAppend( &pid->es->pp_last, p_bk );
2071 pid->es->i_pes_gathered += p_bk->i_buffer;
2072 if( pid->es->i_pes_size > 0 &&
2073 pid->es->i_pes_gathered >= pid->es->i_pes_size )
2074 {
2075 ParsePES( p_demux, pid );
2076 i_ret = true;
2077 }
2078 }
2079 }
2080
2081 return i_ret;
2082 }
2083
2084 static int PIDFillFormat( ts_pid_t *pid, int i_stream_type )
2085 {
2086 es_format_t *fmt = &pid->es->fmt;
2087
2088 switch( i_stream_type )
2089 {
2090 case 0x01: /* MPEG-1 video */
2091 case 0x02: /* MPEG-2 video */
2092 case 0x80: /* MPEG-2 MOTO video */
2093 es_format_Init( fmt, VIDEO_ES, VLC_CODEC_MPGV );
2094 break;
2095 case 0x03: /* MPEG-1 audio */
2096 case 0x04: /* MPEG-2 audio */
2097 es_format_Init( fmt, AUDIO_ES, VLC_CODEC_MPGA );
2098 break;
2099 case 0x11: /* MPEG4 (audio) LATM */
2100 case 0x0f: /* ISO/IEC 13818-7 Audio with ADTS transport syntax */
2101 es_format_Init( fmt, AUDIO_ES, VLC_CODEC_MP4A );
2102 break;
2103 case 0x10: /* MPEG4 (video) */
2104 es_format_Init( fmt, VIDEO_ES, VLC_CODEC_MP4V );
2105 pid->es->b_gather = true;
2106 break;
2107 case 0x1B: /* H264 <- check transport syntax/needed descriptor */
2108 es_format_Init( fmt, VIDEO_ES, VLC_CODEC_H264 );
2109 break;
2110
2111 case 0x81: /* A52 (audio) */
2112 es_format_Init( fmt, AUDIO_ES, VLC_CODEC_A52 );
2113 break;
2114 case 0x82: /* DVD_SPU (sub) */
2115 es_format_Init( fmt, SPU_ES, VLC_CODEC_SPU );
2116 break;
2117 case 0x83: /* LPCM (audio) */
2118 es_format_Init( fmt, AUDIO_ES, VLC_CODEC_DVD_LPCM );
2119 break;
2120 case 0x84: /* SDDS (audio) */
2121 es_format_Init( fmt, AUDIO_ES, VLC_CODEC_SDDS );
2122 break;
2123 case 0x85: /* DTS (audio) */
2124 es_format_Init( fmt, AUDIO_ES, VLC_CODEC_DTS );
2125 break;
2126 case 0x87: /* E-AC3 */
2127 es_format_Init( fmt, AUDIO_ES, VLC_CODEC_EAC3 );
2128 break;
2129
2130 case 0x91: /* A52 vls (audio) */
2131 es_format_Init( fmt, AUDIO_ES, VLC_FOURCC( 'a', '5', '2', 'b' ) );
2132 break;
2133 case 0x92: /* DVD_SPU vls (sub) */
2134 es_format_Init( fmt, SPU_ES, VLC_FOURCC( 's', 'p', 'u', 'b' ) );
2135 break;
2136
2137 case 0x94: /* SDDS (audio) */
2138 es_format_Init( fmt, AUDIO_ES, VLC_FOURCC( 's', 'd', 'd', 'b' ) );
2139 break;
2140
2141 case 0xa0: /* MSCODEC vlc (video) (fixed later) */
2142 es_format_Init( fmt, UNKNOWN_ES, 0 );
2143 pid->es->b_gather = true;
2144 break;
2145
2146 case 0x06: /* PES_PRIVATE (fixed later) */
2147 case 0x12: /* MPEG-4 generic (sub/scene/...) (fixed later) */
2148 case 0xEA: /* Privately managed ES (VC-1) (fixed later */
2149 default:
2150 es_format_Init( fmt, UNKNOWN_ES, 0 );
2151 break;
2152 }
2153
2154 /* PES packets usually contain truncated frames */
2155 fmt->b_packetized = false;
2156
2157 return fmt->i_cat == UNKNOWN_ES ? VLC_EGENERIC : VLC_SUCCESS ;
2158 }
2159
2160 /*****************************************************************************
2161 * MP4 specific functions (IOD parser)
2162 *****************************************************************************/
2163 static int IODDescriptorLength( int *pi_data, uint8_t **pp_data )
2164 {
2165 unsigned int i_b;
2166 unsigned int i_len = 0;
2167 do
2168 {
2169 i_b = **pp_data;
2170 (*pp_data)++;
2171 (*pi_data)--;
2172 i_len = ( i_len << 7 ) + ( i_b&0x7f );
2173
2174 } while( i_b&0x80 );
2175
2176 return( i_len );
2177 }
2178
2179 static int IODGetByte( int *pi_data, uint8_t **pp_data )
2180 {
2181 if( *pi_data > 0 )
2182 {
2183 const int i_b = **pp_data;
2184 (*pp_data)++;
2185 (*pi_data)--;
2186 return( i_b );
2187 }
2188 return( 0 );
2189 }
2190
2191 static int IODGetWord( int *pi_data, uint8_t **pp_data )
2192 {
2193 const int i1 = IODGetByte( pi_data, pp_data );
2194 const int i2 = IODGetByte( pi_data, pp_data );
2195 return( ( i1 << 8 ) | i2 );
2196 }
2197
2198 static int IODGet3Bytes( int *pi_data, uint8_t **pp_data )
2199 {
2200 const int i1 = IODGetByte( pi_data, pp_data );
2201 const int i2 = IODGetByte( pi_data, pp_data );
2202 const int i3 = IODGetByte( pi_data, pp_data );
2203
2204 return( ( i1 << 16 ) | ( i2 << 8) | i3 );
2205 }
2206
2207 static uint32_t IODGetDWord( int *pi_data, uint8_t **pp_data )
2208 {
2209 const uint32_t i1 = IODGetWord( pi_data, pp_data );
2210 const uint32_t i2 = IODGetWord( pi_data, pp_data );
2211 return( ( i1 << 16 ) | i2 );
2212 }
2213
2214 static char* IODGetURL( int *pi_data, uint8_t **pp_data )
2215 {
2216 char *url;
2217 int i_url_len, i;
2218
2219 i_url_len = IODGetByte( pi_data, pp_data );
2220 url = malloc( i_url_len + 1 );
2221 if( !url ) return NULL;
2222 for( i = 0; i < i_url_len; i++ )
2223 {
2224 url[i] = IODGetByte( pi_data, pp_data );
2225 }
2226 url[i_url_len] = '\0';
2227 return( url );
2228 }
2229
2230 static iod_descriptor_t *IODNew( int i_data, uint8_t *p_data )
2231 {
2232 iod_descriptor_t *p_iod;
2233 int i;
2234 int i_es_index;
2235 uint8_t i_flags, i_iod_tag, byte1, byte2, byte3;
2236 bool b_url;
2237 int i_iod_length;
2238
2239 p_iod = malloc( sizeof( iod_descriptor_t ) );
2240 if( !p_iod ) return NULL;
2241 memset( p_iod, 0, sizeof( iod_descriptor_t ) );
2242
2243 #ifdef TS_DEBUG
2244 fprintf( stderr, "\n************ IOD ************" );
2245 #endif
2246 for( i = 0; i < 255; i++ )
2247 {
2248 p_iod->es_descr[i].b_ok = 0;
2249 }
2250 i_es_index = 0;
2251
2252 if( i_data < 3 )
2253 {
2254 return p_iod;
2255 }
2256
2257 byte1 = IODGetByte( &i_data, &p_data );
2258 byte2 = IODGetByte( &i_data, &p_data );
2259 byte3 = IODGetByte( &i_data, &p_data );
2260 if( byte2 == 0x02 ) //old vlc's buggy implementation of the IOD_descriptor
2261 {
2262 p_iod->i_iod_label_scope = 0x11;
2263 p_iod->i_iod_label = byte1;
2264 i_iod_tag = byte2;
2265 }
2266 else //correct implementation of the IOD_descriptor
2267 {
2268 p_iod->i_iod_label_scope = byte1;
2269 p_iod->i_iod_label = byte2;
2270 i_iod_tag = byte3;
2271 }
2272 #ifdef TS_DEBUG
2273 fprintf( stderr, "\n* iod_label:%d", p_iod->i_iod_label );
2274 fprintf( stderr, "\n* ===========" );
2275 fprintf( stderr, "\n* tag:0x%x", i_iod_tag );
2276 #endif
2277 if( i_iod_tag != 0x02 )
2278 {
2279 #ifdef TS_DEBUG
2280 fprintf( stderr, "\n ERR: tag %02x != 0x02", i_iod_tag );
2281 #endif
2282 return p_iod;
2283 }
2284
2285 i_iod_length = IODDescriptorLength( &i_data, &p_data );
2286 #ifdef TS_DEBUG
2287 fprintf( stderr, "\n* length:%d", i_iod_length );
2288 #endif
2289 if( i_iod_length > i_data )
2290 {
2291 i_iod_length = i_data;
2292 }
2293
2294 p_iod->i_od_id = ( IODGetByte( &i_data, &p_data ) << 2 );
2295 i_flags = IODGetByte( &i_data, &p_data );
2296 p_iod->i_od_id |= i_flags >> 6;
2297 b_url = ( i_flags >> 5 )&0x01;
2298 #ifdef TS_DEBUG
2299 fprintf( stderr, "\n* od_id:%d", p_iod->i_od_id );
2300 fprintf( stderr, "\n* url flag:%d", b_url );
2301 fprintf( stderr, "\n* includeInlineProfileLevel flag:%d", ( i_flags >> 4 )&0x01 );
2302 #endif
2303 if( b_url )
2304 {
2305 p_iod->psz_url = IODGetURL( &i_data, &p_data );
2306 #ifdef TS_DEBUG
2307 fprintf( stderr, "\n* url string:%s", p_iod->psz_url );
2308 fprintf( stderr, "\n*****************************\n" );
2309 #endif
2310 return p_iod;
2311 }
2312 else
2313 {
2314 p_iod->psz_url = NULL;
2315 }
2316
2317 p_iod->i_ODProfileLevelIndication = IODGetByte( &i_data, &p_data );
2318 p_iod->i_sceneProfileLevelIndication = IODGetByte( &i_data, &p_data );
2319 p_iod->i_audioProfileLevelIndication = IODGetByte( &i_data, &p_data );
2320 p_iod->i_visualProfileLevelIndication = IODGetByte( &i_data, &p_data );
2321 p_iod->i_graphicsProfileLevelIndication = IODGetByte( &i_data, &p_data );
2322 #ifdef TS_DEBUG
2323 fprintf( stderr, "\n* ODProfileLevelIndication:%d", p_iod->i_ODProfileLevelIndication );
2324 fprintf( stderr, "\n* sceneProfileLevelIndication:%d", p_iod->i_sceneProfileLevelIndication );
2325 fprintf( stderr, "\n* audioProfileLevelIndication:%d", p_iod->i_audioProfileLevelIndication );
2326 fprintf( stderr, "\n* visualProfileLevelIndication:%d", p_iod->i_visualProfileLevelIndication );
2327 fprintf( stderr, "\n* graphicsProfileLevelIndication:%d", p_iod->i_graphicsProfileLevelIndication );
2328 #endif
2329
2330 while( i_data > 0 && i_es_index < 255)
2331 {
2332 int i_tag, i_length;
2333 int i_data_sav;
2334 uint8_t *p_data_sav;
2335
2336 i_tag = IODGetByte( &i_data, &p_data );
2337 i_length = IODDescriptorLength( &i_data, &p_data );
2338
2339 i_data_sav = i_data;
2340 p_data_sav = p_data;
2341
2342 i_data = i_length;
2343
2344 switch( i_tag )
2345 {
2346 case 0x03:
2347 {
2348 #define es_descr p_iod->es_descr[i_es_index]
2349 int i_decoderConfigDescr_length;
2350 #ifdef TS_DEBUG
2351 fprintf( stderr, "\n* - ES_Descriptor length:%d", i_length );
2352 #endif
2353 es_descr.b_ok = 1;
2354
2355 es_descr.i_es_id = IODGetWord( &i_data, &p_data );
2356 i_flags = IODGetByte( &i_data, &p_data );
2357 es_descr.b_streamDependenceFlag = ( i_flags >> 7 )&0x01;
2358 b_url = ( i_flags >> 6 )&0x01;
2359 es_descr.b_OCRStreamFlag = ( i_flags >> 5 )&0x01;
2360 es_descr.i_streamPriority = i_flags & 0x1f;
2361 #ifdef TS_DEBUG
2362 fprintf( stderr, "\n* * streamDependenceFlag:%d", es_descr.b_streamDependenceFlag );
2363 fprintf( stderr, "\n* * OCRStreamFlag:%d", es_descr.b_OCRStreamFlag );
2364 fprintf( stderr, "\n* * streamPriority:%d", es_descr.i_streamPriority );
2365 #endif
2366 if( es_descr.b_streamDependenceFlag )
2367 {
2368 es_descr.i_dependOn_es_id = IODGetWord( &i_data, &p_data );
2369 #ifdef TS_DEBUG
2370 fprintf( stderr, "\n* * dependOn_es_id:%d", es_descr.i_dependOn_es_id );
2371 #endif
2372 }
2373
2374 if( b_url )
2375 {
2376 es_descr.psz_url = IODGetURL( &i_data, &p_data );
2377 #ifdef TS_DEBUG
2378 fprintf( stderr, "\n* url string:%s", es_descr.psz_url );
2379 #endif
2380 }
2381 else
2382 {
2383 es_descr.psz_url = NULL;
2384 }
2385
2386 if( es_descr.b_OCRStreamFlag )
2387 {
2388 es_descr.i_OCR_es_id = IODGetWord( &i_data, &p_data );
2389 #ifdef TS_DEBUG
2390 fprintf( stderr, "\n* * OCR_es_id:%d", es_descr.i_OCR_es_id );
2391 #endif
2392 }
2393
2394 if( IODGetByte( &i_data, &p_data ) != 0x04 )
2395 {
2396 #ifdef TS_DEBUG
2397 fprintf( stderr, "\n* ERR missing DecoderConfigDescr" );
2398 #endif
2399 es_descr.b_ok = 0;
2400 break;
2401 }
2402 i_decoderConfigDescr_length = IODDescriptorLength( &i_data, &p_data );
2403 #ifdef TS_DEBUG
2404 fprintf( stderr, "\n* - DecoderConfigDesc length:%d", i_decoderConfigDescr_length );
2405 #endif
2406 #define dec_descr es_descr.dec_descr
2407 dec_descr.i_objectTypeIndication = IODGetByte( &i_data, &p_data );
2408 i_flags = IODGetByte( &i_data, &p_data );
2409 dec_descr.i_streamType = i_flags >> 2;
2410 dec_descr.b_upStream = ( i_flags >> 1 )&0x01;
2411 dec_descr.i_bufferSizeDB = IODGet3Bytes( &i_data, &p_data );
2412 dec_descr.i_maxBitrate = IODGetDWord( &i_data, &p_data );
2413 dec_descr.i_avgBitrate = IODGetDWord( &i_data, &p_data );
2414 #ifdef TS_DEBUG
2415 fprintf( stderr, "\n* * objectTypeIndication:0x%x", dec_descr.i_objectTypeIndication );
2416 fprintf( stderr, "\n* * streamType:0x%x", dec_descr.i_streamType );
2417 fprintf( stderr, "\n* * upStream:%d", dec_descr.b_upStream );
2418 fprintf( stderr, "\n* * bufferSizeDB:%d", dec_descr.i_bufferSizeDB );
2419 fprintf( stderr, "\n* * maxBitrate:%d", dec_descr.i_maxBitrate );
2420 fprintf( stderr, "\n* * avgBitrate:%d", dec_descr.i_avgBitrate );
2421 #endif
2422 if( i_decoderConfigDescr_length > 13 && IODGetByte( &i_data, &p_data ) == 0x05 )
2423 {
2424 int i;
2425 dec_descr.i_decoder_specific_info_len =
2426 IODDescriptorLength( &i_data, &p_data );
2427 if( dec_descr.i_decoder_specific_info_len > 0 )
2428 {
2429 dec_descr.p_decoder_specific_info =
2430 malloc( dec_descr.i_decoder_specific_info_len );
2431 }
2432 for( i = 0; i < dec_descr.i_decoder_specific_info_len; i++ )
2433 {
2434 dec_descr.p_decoder_specific_info[i] = IODGetByte( &i_data, &p_data );
2435 }
2436 }
2437 else
2438 {
2439 dec_descr.i_decoder_specific_info_len = 0;
2440 dec_descr.p_decoder_specific_info = NULL;
2441 }
2442 }
2443 #undef dec_descr
2444 #define sl_descr es_descr.sl_descr
2445 {
2446 int i_SLConfigDescr_length;
2447 int i_predefined;
2448
2449 if( IODGetByte( &i_data, &p_data ) != 0x06 )
2450 {
2451 #ifdef TS_DEBUG
2452 fprintf( stderr, "\n* ERR missing SLConfigDescr" );
2453 #endif
2454 es_descr.b_ok = 0;
2455 break;
2456 }
2457 i_SLConfigDescr_length = IODDescriptorLength( &i_data, &p_data );
2458 #ifdef TS_DEBUG
2459 fprintf( stderr, "\n* - SLConfigDescr length:%d", i_SLConfigDescr_length );
2460 #endif
2461 i_predefined = IODGetByte( &i_data, &p_data );
2462 #ifdef TS_DEBUG
2463 fprintf( stderr, "\n* * i_predefined:0x%x", i_predefined );
2464 #endif
2465 switch( i_predefined )
2466 {
2467 case 0x01:
2468 {
2469 sl_descr.b_useAccessUnitStartFlag = 0;
2470 sl_descr.b_useAccessUnitEndFlag = 0;
2471 sl_descr.b_useRandomAccessPointFlag = 0;
2472 //sl_descr.b_useRandomAccessUnitsOnlyFlag = 0;
2473 sl_descr.b_usePaddingFlag = 0;
2474 sl_descr.b_useTimeStampsFlags = 0;
2475 sl_descr.b_useIdleFlag = 0;
2476 sl_descr.b_durationFlag = 0; // FIXME FIXME
2477 sl_descr.i_timeStampResolution = 1000;
2478 sl_descr.i_OCRResolution = 0; // FIXME FIXME
2479 sl_descr.i_timeStampLength = 32;
2480 sl_descr.i_OCRLength = 0; // FIXME FIXME
2481 sl_descr.i_AU_Length = 0;
2482 sl_descr.i_instantBitrateLength= 0; // FIXME FIXME
2483 sl_descr.i_degradationPriorityLength= 0;
2484 sl_descr.i_AU_seqNumLength = 0;
2485 sl_descr.i_packetSeqNumLength = 0;
2486 if( sl_descr.b_durationFlag )
2487 {
2488 sl_descr.i_timeScale = 0; // FIXME FIXME
2489 sl_descr.i_accessUnitDuration = 0; // FIXME FIXME
2490 sl_descr.i_compositionUnitDuration= 0; // FIXME FIXME
2491 }
2492 if( !sl_descr.b_useTimeStampsFlags )
2493 {
2494 sl_descr.i_startDecodingTimeStamp = 0; // FIXME FIXME
2495 sl_descr.i_startCompositionTimeStamp= 0; // FIXME FIXME
2496 }
2497 }
2498 break;
2499 default:
2500 #ifdef TS_DEBUG
2501 fprintf( stderr, "\n* ERR unsupported SLConfigDescr predefined" );
2502 #endif
2503 es_descr.b_ok = 0;
2504 break;
2505 }
2506 }
2507 break;
2508 #undef sl_descr
2509 #undef es_descr
2510 default:
2511 #ifdef TS_DEBUG
2512 fprintf( stderr, "\n* - OD tag:0x%x length:%d (Unsupported)", i_tag, i_length );
2513 #endif
2514 break;
2515 }
2516
2517 p_data = p_data_sav + i_length;
2518 i_data = i_data_sav - i_length;
2519 i_es_index++;
2520 }
2521 #ifdef TS_DEBUG
2522 fprintf( stderr, "\n*****************************\n" );
2523 #endif
2524 return p_iod;
2525 }
2526
2527 static void IODFree( iod_descriptor_t *p_iod )
2528 {
2529 int i;
2530
2531 if( p_iod->psz_url )
2532 {
2533 free( p_iod->psz_url );
2534 p_iod->psz_url = NULL;
2535 free( p_iod );
2536 return;
2537 }
2538
2539 for( i = 0; i < 255; i++ )
2540 {
2541 #define es_descr p_iod->es_descr[i]
2542 if( es_descr.b_ok )
2543 {
2544 if( es_descr.psz_url )
2545 {
2546 free( es_descr.psz_url );
2547 es_descr.psz_url = NULL;
2548 }
2549 else
2550 {
2551 free( es_descr.dec_descr.p_decoder_specific_info );
2552 es_descr.dec_descr.p_decoder_specific_info = NULL;
2553 es_descr.dec_descr.i_decoder_specific_info_len = 0;
2554 }
2555 }
2556 es_descr.b_ok = 0;
2557 #undef es_descr
2558 }
2559 free( p_iod );
2560 }
2561
2562 /****************************************************************************
2563 ****************************************************************************
2564 ** libdvbpsi callbacks
2565 ****************************************************************************
2566 ****************************************************************************/
2567 static bool ProgramIsSelected( demux_t *p_demux, uint16_t i_pgrm )
2568 {
2569 demux_sys_t *p_sys = p_demux->p_sys;
2570
2571 if( ( p_sys->i_current_program == -1 && p_sys->programs_list.i_count == 0 ) ||
2572 p_sys->i_current_program == 0 )
2573 return true;
2574 if( p_sys->i_current_program == i_pgrm )
2575 return true;
2576
2577 if( p_sys->programs_list.i_count != 0 )
2578 {
2579 for( int i = 0; i < p_sys->programs_list.i_count; i++ )
2580 {
2581 if( i_pgrm == p_sys->programs_list.p_values[i].i_int )
2582 return true;
2583 }
2584 }
2585 return false;
2586 }
2587
2588 static void ValidateDVBMeta( demux_t *p_demux, int i_pid )
2589 {
2590 demux_sys_t *p_sys = p_demux->p_sys;
2591
2592 if( !p_sys->b_dvb_meta || ( i_pid != 0x11 && i_pid != 0x12 && i_pid != 0x14 ) )
2593 return;
2594
2595 msg_Warn( p_demux, "Switching to non DVB mode" );
2596
2597 /* This doesn't look like a DVB stream so don't try
2598 * parsing the SDT/EDT/TDT */
2599
2600 for( int i = 0x11; i <= 0x14; i++ )
2601 {
2602 if( i == 0x13 ) continue;
2603 ts_pid_t *p_pid = &p_sys->pid[i];
2604 if( p_pid->psi )
2605 {
2606 dvbpsi_DetachDemux( p_pid->psi->handle );
2607 free( p_pid->psi );
2608 p_pid->psi = NULL;
2609 p_pid->b_valid = false;
2610 }
2611 SetPIDFilter( p_demux, i, false );
2612 }
2613 p_sys->b_dvb_meta = false;
2614 }
2615
2616
2617 #ifdef TS_USE_DVB_SI
2618 /* FIXME same than dvbsi_to_utf8 from dvb access */
2619 static char *EITConvertToUTF8( const unsigned char *psz_instring,
2620 size_t i_length,
2621 bool b_broken )
2622 {
2623 const char *psz_encoding;
2624 char *psz_outstring;
2625 char psz_encbuf[sizeof( "ISO_8859-123" )];
2626 size_t i_in, i_out, offset = 1;
2627 vlc_iconv_t iconv_handle;
2628
2629 if( i_length < 1 ) return NULL;
2630 if( psz_instring[0] >= 0x20 )
2631 {
2632 /* According to ETSI EN 300 468 Annex A, this should be ISO6937,
2633 * but some broadcasters use different charset... */
2634 if( b_broken )
2635 psz_encoding = "ISO_8859-1";
2636 else
2637 psz_encoding = "ISO_6937";
2638
2639 offset = 0;
2640 }
2641 else switch( psz_instring[0] )
2642 {
2643 case 0x01:
2644 psz_encoding = "ISO_8859-5";
2645 break;
2646 case 0x02:
2647 psz_encoding = "ISO_8859-6";
2648 break;
2649 case 0x03:
2650 psz_encoding = "ISO_8859-7";
2651 break;
2652 case 0x04:
2653 psz_encoding = "ISO_8859-8";
2654 break;
2655 case 0x05:
2656 psz_encoding = "ISO_8859-9";
2657 break;
2658 case 0x06:
2659 psz_encoding = "ISO_8859-10";
2660 break;
2661 case 0x07:
2662 psz_encoding = "ISO_8859-11";
2663 break;
2664 case 0x08:
2665 psz_encoding = "ISO_8859-12";
2666 break;
2667 case 0x09:
2668 psz_encoding = "ISO_8859-13";
2669 break;
2670 case 0x0a:
2671 psz_encoding = "ISO_8859-14";
2672 break;
2673 case 0x0b:
2674 psz_encoding = "ISO_8859-15";
2675 break;
2676 case 0x10:
2677 #warning Is Latin-10 (psz_instring[2] == 16) really illegal?
2678 if( i_length < 3 || psz_instring[1] != 0x00 || psz_instring[2] > 15
2679 || psz_instring[2] == 0 )
2680 {
2681 psz_encoding = "UTF-8";
2682 offset = 0;
2683 }
2684 else
2685 {
2686 sprintf( psz_encbuf, "ISO_8859-%u", psz_instring[2] );
2687 psz_encoding = psz_encbuf;
2688 offset = 3;
2689 }
2690 break;
2691 case 0x11:
2692 #warning Is there a BOM or do we use a fixed endianess?
2693 psz_encoding = "UTF-16";
2694 break;
2695 case 0x12:
2696 psz_encoding = "KSC5601-1987";
2697 break;
2698 case 0x13:
2699 psz_encoding = "GB2312"; /* GB-2312-1980 */
2700 break;
2701 case 0x14:
2702 psz_encoding = "BIG-5";
2703 break;
2704 case 0x15:
2705 psz_encoding = "UTF-8";
2706 break;
2707 default:
2708 /* invalid */
2709 psz_encoding = "UTF-8";
2710 offset = 0;
2711 }
2712
2713 i_in = i_length - offset;
2714 i_out = i_in * 6 + 1;
2715
2716 psz_outstring = malloc( i_out );
2717 if( !psz_outstring )
2718 {
2719 return NULL;
2720 }
2721
2722 iconv_handle = vlc_iconv_open( "UTF-8", psz_encoding );
2723 if( iconv_handle == (vlc_iconv_t)(-1) )
2724 {
2725 /* Invalid character set (e.g. ISO_8859-12) */
2726 memcpy( psz_outstring, &psz_instring[offset], i_in );
2727 psz_outstring[i_in] = '\0';
2728 EnsureUTF8( psz_outstring );
2729 }
2730 else
2731 {
2732 const char *psz_in = (const char *)&psz_instring[offset];
2733 char *psz_out = psz_outstring;
2734
2735 while( vlc_iconv( iconv_handle, &psz_in, &i_in,
2736 &psz_out, &i_out ) == (size_t)(-1) )
2737 {
2738 /* skip naughty byte. This may fail terribly for multibyte stuff,
2739 * but what can we do anyway? */
2740 psz_in++;
2741 i_in--;
2742 vlc_iconv( iconv_handle, NULL, NULL, NULL, NULL ); /* reset */
2743 }
2744 vlc_iconv_close( iconv_handle );
2745
2746 *psz_out = '\0';
2747
2748 /* Convert EIT-coded CR/LFs */
2749 unsigned char *pbuf = (unsigned char *)psz_outstring;
2750 for( ; pbuf < (unsigned char *)psz_out ; pbuf++)
2751 {
2752 if( pbuf[0] == 0xc2 && pbuf[1] == 0x8a )
2753 {
2754 pbuf[0] = ' ';
2755 pbuf[1] = '\n';
2756 }
2757 }
2758
2759
2760 }
2761 return psz_outstring;
2762 }
2763
2764 static void SDTCallBack( demux_t *p_demux, dvbpsi_sdt_t *p_sdt )
2765 {
2766 demux_sys_t *p_sys = p_demux->p_sys;
2767 ts_pid_t *sdt = &p_sys->pid[0x11];
2768 dvbpsi_sdt_service_t *p_srv;
2769
2770 msg_Dbg( p_demux, "SDTCallBack called" );
2771
2772 if( sdt->psi->i_sdt_version != -1 &&
2773 ( !p_sdt->b_current_next ||
2774 p_sdt->i_version == sdt->psi->i_sdt_version ) )
2775 {
2776 dvbpsi_DeleteSDT( p_sdt );
2777 return;
2778 }
2779
2780 msg_Dbg( p_demux, "new SDT ts_id=%d version=%d current_next=%d "
2781 "network_id=%d",
2782 p_sdt->i_ts_id, p_sdt->i_version, p_sdt->b_current_next,
2783 p_sdt->i_network_id );
2784
2785 p_sys->b_broken_charset = false;
2786
2787 for( p_srv = p_sdt->p_first_service; p_srv; p_srv = p_srv->p_next )
2788 {
2789 vlc_meta_t *p_meta;
2790 dvbpsi_descriptor_t *p_dr;
2791
2792 const char *psz_type = NULL;
2793 const char *psz_status = NULL;
2794
2795 msg_Dbg( p_demux, " * service id=%d eit schedule=%d present=%d "
2796 "running=%d free_ca=%d",
2797 p_srv->i_service_id, p_srv->b_eit_schedule,
2798 p_srv->b_eit_present, p_srv->i_running_status,
2799 p_srv->b_free_ca );
2800
2801 p_meta = vlc_meta_New();
2802 for( p_dr = p_srv->p_first_descriptor; p_dr; p_dr = p_dr->p_next )
2803 {
2804 if( p_dr->i_tag == 0x48 )
2805 {
2806 static const char *ppsz_type[17] = {
2807 "Reserved",
2808 "Digital television service",
2809 "Digital radio sound service",
2810 "Teletext service",
2811 "NVOD reference service",
2812 "NVOD time-shifted service",
2813 "Mosaic service",
2814 "PAL coded signal",
2815 "SECAM coded signal",
2816 "D/D2-MAC",
2817 "FM Radio",
2818 "NTSC coded signal",
2819 "Data broadcast service",
2820 "Reserved for Common Interface Usage",
2821 "RCS Map (see EN 301 790 [35])",
2822 "RCS FLS (see EN 301 790 [35])",
2823 "DVB MHP service"
2824 };
2825 dvbpsi_service_dr_t *pD = dvbpsi_DecodeServiceDr( p_dr );
2826 char *str1 = NULL;
2827 char *str2 = NULL;
2828
2829 /* Workarounds for broadcasters with broken EPG */
2830
2831 if( p_sdt->i_network_id == 133 )
2832 p_sys->b_broken_charset = true; /* SKY DE & BetaDigital use ISO8859-1 */
2833
2834 /* List of providers using ISO8859-1 */
2835 static const char ppsz_broken_providers[][8] = {
2836 "CSAT", /* CanalSat FR */
2837 "GR1", /* France televisions */
2838 "MULTI4", /* NT1 */
2839 "MR5", /* France 2/M6 HD */
2840 ""
2841 };
2842 for( int i = 0; *ppsz_broken_providers[i]; i++ )
2843 {
2844 const size_t i_length = strlen(ppsz_broken_providers[i]);
2845 if( pD->i_service_provider_name_length == i_length &&
2846 !strncmp( pD->i_service_provider_name, ppsz_broken_providers[i], i_length ) )
2847 p_sys->b_broken_charset = true;
2848 }
2849
2850 /* FIXME: Digital+ ES also uses ISO8859-1 */
2851
2852 str1 = EITConvertToUTF8(pD->i_service_provider_name,
2853 pD->i_service_provider_name_length,
2854 p_sys->b_broken_charset );
2855 str2 = EITConvertToUTF8(pD->i_service_name,
2856 pD->i_service_name_length,
2857 p_sys->b_broken_charset );
2858
2859 msg_Dbg( p_demux, " - type=%d provider=%s name=%s",
2860 pD->i_service_type, str1, str2 );
2861
2862 vlc_meta_SetTitle( p_meta, str2 );
2863 vlc_meta_SetPublisher( p_meta, str1 );
2864 if( pD->i_service_type >= 0x01 && pD->i_service_type <= 0x10 )
2865 psz_type = ppsz_type[pD->i_service_type];
2866 free( str1 );
2867 free( str2 );
2868 }
2869 }
2870
2871 if( p_srv->i_running_status >= 0x01 && p_srv->i_running_status <= 0x04 )
2872 {
2873 static const char *ppsz_status[5] = {
2874 "Unknown",
2875 "Not running",
2876 "Starts in a few seconds",
2877 "Pausing",
2878 "Running"
2879 };
2880 psz_status = ppsz_status[p_srv->i_running_status];
2881 }
2882
2883 if( psz_type )
2884 vlc_meta_AddExtra( p_meta, "Type", psz_type );
2885 if( psz_status )
2886 vlc_meta_AddExtra( p_meta, "Status", psz_status );
2887
2888 es_out_Control( p_demux->out, ES_OUT_SET_GROUP_META,
2889 p_srv->i_service_id, p_meta );
2890 vlc_meta_Delete( p_meta );
2891 }
2892
2893 sdt->psi->i_sdt_version = p_sdt->i_version;
2894 dvbpsi_DeleteSDT( p_sdt );
2895 }
2896
2897 /* i_year: year - 1900 i_month: 0-11 i_mday: 1-31 i_hour: 0-23 i_minute: 0-59 i_second: 0-59 */
2898 static int64_t vlc_timegm( int i_year, int i_month, int i_mday, int i_hour, int i_minute, int i_second )
2899 {
2900 static const int pn_day[12+1] = { 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334 };
2901 int64_t i_day;
2902 int i;
2903
2904 if( i_year < 70 ||
2905 i_month < 0 || i_month > 11 || i_mday < 1 || i_mday > 31 ||
2906 i_hour < 0 || i_hour > 23 || i_minute < 0 || i_minute > 59 || i_second < 0 || i_second > 59 )
2907 return -1;
2908
2909 /* Count the number of days */
2910 i_day = 365 * (i_year-70) + pn_day[i_month] + i_mday - 1;
2911 #define LEAP(y) ( ((y)%4) == 0 && (((y)%100) != 0 || ((y)%400) == 0) ? 1 : 0)
2912 for( i = 70; i < i_year; i++ )
2913 i_day += LEAP(1900+i);
2914 if( i_month > 1 )
2915 i_day += LEAP(1900+i_year);
2916 #undef LEAP
2917 /**/
2918 return ((24*i_day + i_hour)*60 + i_minute)*60 + i_second;
2919 }
2920
2921 static void EITDecodeMjd( int i_mjd, int *p_y, int *p_m, int *p_d )
2922 {
2923 const int yp = (int)( ( (double)i_mjd - 15078.2)/365.25 );
2924 const int mp = (int)( ((double)i_mjd - 14956.1 - (int)(yp * 365.25)) / 30.6001 );
2925 const int c = ( mp == 14 || mp == 15 ) ? 1 : 0;
2926
2927 *p_y = 1900 + yp + c*1;
2928 *p_m = mp - 1 - c*12;
2929 *p_d = i_mjd - 14956 - (int)(yp*365.25) - (int)(mp*30.6001);
2930 }
2931 #define CVT_FROM_BCD(v) ((((v) >> 4)&0xf)*10 + ((v)&0xf))
2932 static int64_t EITConvertStartTime( uint64_t i_date )
2933 {
2934 const int i_mjd = i_date >> 24;
2935 const int i_hour = CVT_FROM_BCD(i_date >> 16);
2936 const int i_minute = CVT_FROM_BCD(i_date >> 8);
2937 const int i_second = CVT_FROM_BCD(i_date );
2938 int i_year;
2939 int i_month;
2940 int i_day;
2941
2942 /* if all 40 bits are 1, the start is unknown */
2943 if( i_date == UINT64_C(0xffffffffff) )
2944 return -1;
2945
2946 EITDecodeMjd( i_mjd, &i_year, &i_month, &i_day );
2947 return vlc_timegm( i_year - 1900, i_month - 1, i_day, i_hour, i_minute, i_second );
2948 }
2949 static int EITConvertDuration( uint32_t i_duration )
2950 {
2951 return CVT_FROM_BCD(i_duration >> 16) * 3600 +
2952 CVT_FROM_BCD(i_duration >> 8 ) * 60 +
2953 CVT_FROM_BCD(i_duration );
2954 }
2955 #undef CVT_FROM_BCD
2956
2957 #ifdef TS_USE_TDT
2958 static void TDTCallBack( demux_t *p_demux, dvbpsi_tot_t *p_tdt )
2959 {
2960 demux_sys_t *p_sys = p_demux->p_sys;
2961
2962 p_sys->i_tdt_delta = CLOCK_FREQ * EITConvertStartTime( p_tdt->i_utc_time )
2963 - mdate();
2964 dvbpsi_DeleteTOT(p_tdt);
2965 }
2966 #endif
2967
2968
2969 static void EITCallBack( demux_t *p_demux,
2970 dvbpsi_eit_t *p_eit, bool b_current_following )
2971 {
2972 demux_sys_t *p_sys = p_demux->p_sys;
2973 dvbpsi_eit_event_t *p_evt;
2974 vlc_epg_t *p_epg;
2975
2976 msg_Dbg( p_demux, "EITCallBack called" );
2977 if( !p_eit->b_current_next )
2978 {
2979 dvbpsi_DeleteEIT( p_eit );
2980 return;
2981 }
2982
2983 msg_Dbg( p_demux, "new EIT service_id=%d version=%d current_next=%d "
2984 "ts_id=%d network_id=%d segment_last_section_number=%d "
2985 "last_table_id=%d",
2986 p_eit->i_service_id, p_eit->i_version, p_eit->b_current_next,
2987 p_eit->i_ts_id, p_eit->i_network_id,
2988 p_eit->i_segment_last_section_number, p_eit->i_last_table_id );
2989
2990 p_epg = vlc_epg_New( NULL );
2991 for( p_evt = p_eit->p_first_event; p_evt; p_evt = p_evt->p_next )
2992 {
2993 dvbpsi_descriptor_t *p_dr;
2994 char *psz_name = NULL;
2995 char *psz_text = NULL;
2996 char *psz_extra = strdup("");
2997 int64_t i_start;
2998 int i_duration;
2999
3000 i_start = EITConvertStartTime( p_evt->i_start_time );
3001 i_duration = EITConvertDuration( p_evt->i_duration );
3002
3003 msg_Dbg( p_demux, " * event id=%d start_time:%d duration=%d "
3004 "running=%d free_ca=%d",
3005 p_evt->i_event_id, (int)i_start, (int)i_duration,
3006 p_evt->i_running_status, p_evt->b_free_ca );
3007
3008 for( p_dr = p_evt->p_first_descriptor; p_dr; p_dr = p_dr->p_next )
3009 {
3010 if( p_dr->i_tag == 0x4d )
3011 {
3012 dvbpsi_short_event_dr_t *pE = dvbpsi_DecodeShortEventDr( p_dr );
3013
3014 /* Only take first description, as we don't handle language-info
3015 for epg atm*/
3016 if( pE && psz_name == NULL)
3017 {
3018 psz_name = EITConvertToUTF8( pE->i_event_name, pE->i_event_name_length,
3019 p_sys->b_broken_charset );
3020 psz_text = EITConvertToUTF8( pE->i_text, pE->i_text_length,
3021 p_sys->b_broken_charset );
3022 msg_Dbg( p_demux, " - short event lang=%3.3s '%s' : '%s'",
3023 pE->i_iso_639_code, psz_name, psz_text );
3024 }
3025 }
3026 else if( p_dr->i_tag == 0x4e )
3027 {
3028 dvbpsi_extended_event_dr_t *pE = dvbpsi_DecodeExtendedEventDr( p_dr );
3029 if( pE )
3030 {
3031 msg_Dbg( p_demux, " - extended event lang=%3.3s [%d/%d]",
3032 pE->i_iso_639_code,
3033 pE->i_descriptor_number, pE->i_last_descriptor_number );
3034
3035 if( pE->i_text_length > 0 )
3036 {
3037 char *psz_text = EITConvertToUTF8( pE->i_text, pE->i_text_length,
3038 p_sys->b_broken_charset );
3039 if( psz_text )
3040 {
3041 msg_Dbg( p_demux, " - text='%s'", psz_text );
3042
3043 psz_extra = xrealloc( psz_extra,
3044 strlen(psz_extra) + strlen(psz_text) + 1 );
3045 strcat( psz_extra, psz_text );
3046 free( psz_text );
3047 }
3048 }
3049
3050 for( int i = 0; i < pE->i_entry_count; i++ )
3051 {
3052 char *psz_dsc = EITConvertToUTF8( pE->i_item_description[i],
3053 pE->i_item_description_length[i],
3054 p_sys->b_broken_charset );
3055 char *psz_itm = EITConvertToUTF8( pE->i_item[i], pE->i_item_length[i],
3056 p_sys->b_broken_charset );
3057
3058 if( psz_dsc && psz_itm )
3059 {
3060 msg_Dbg( p_demux, " - desc='%s' item='%s'", psz_dsc, psz_itm );
3061 #if 0
3062 psz_extra = xrealloc( psz_extra,
3063 strlen(psz_extra) + strlen(psz_dsc) +
3064 strlen(psz_itm) + 3 + 1 );
3065 strcat( psz_extra, "(" );
3066 strcat( psz_extra, psz_dsc );
3067 strcat( psz_extra, " " );
3068 strcat( psz_extra, psz_itm );
3069 strcat( psz_extra, ")" );
3070 #endif
3071 }
3072 free( psz_dsc );
3073 free( psz_itm );
3074 }
3075 }
3076 }
3077 else
3078 {
3079 msg_Dbg( p_demux, " - tag=0x%x(%d)", p_dr->i_tag, p_dr->i_tag );
3080 }
3081 }
3082
3083 /* */
3084 if( i_start > 0 )
3085 vlc_epg_AddEvent( p_epg, i_start, i_duration, psz_name, psz_text,
3086 *psz_extra ? psz_extra : NULL );
3087
3088 /* Update "now playing" field */
3089 if( p_evt->i_running_status == 0x04 && i_start > 0 )
3090 vlc_epg_SetCurrent( p_epg, i_start );
3091
3092 free( psz_name );
3093 free( psz_text );
3094
3095 free( psz_extra );
3096 }
3097 if( p_epg->i_event > 0 )
3098 {
3099 if( b_current_following &&
3100 ( p_sys->i_current_program == -1 ||
3101 p_sys->i_current_program == p_eit->i_service_id ) )
3102 {
3103 p_sys->i_dvb_length = 0;
3104 p_sys->i_dvb_start = 0;
3105
3106 if( p_epg->p_current )
3107 {
3108 p_sys->i_dvb_start = CLOCK_FREQ * p_epg->p_current->i_start;
3109 p_sys->i_dvb_length = CLOCK_FREQ * p_epg->p_current->i_duration;
3110 }
3111 }
3112 es_out_Control( p_demux->out, ES_OUT_SET_GROUP_EPG, p_eit->i_service_id, p_epg );
3113 }
3114 vlc_epg_Delete( p_epg );
3115
3116 dvbpsi_DeleteEIT( p_eit );
3117 }
3118 static void EITCallBackCurrentFollowing( demux_t *p_demux, dvbpsi_eit_t *p_eit )
3119 {
3120 EITCallBack( p_demux, p_eit, true );
3121 }
3122 static void EITCallBackSchedule( demux_t *p_demux, dvbpsi_eit_t *p_eit )
3123 {
3124 EITCallBack( p_demux, p_eit, false );
3125 }
3126
3127 static void PSINewTableCallBack( demux_t *p_demux, dvbpsi_handle h,
3128 uint8_t i_table_id, uint16_t i_extension )
3129 {
3130 #if 0
3131 msg_Dbg( p_demux, "PSINewTableCallBack: table 0x%x(%d) ext=0x%x(%d)",
3132 i_table_id, i_table_id, i_extension, i_extension );
3133 #endif
3134 if( p_demux->p_sys->pid[0].psi->i_pat_version != -1 && i_table_id == 0x42 )
3135 {
3136 msg_Dbg( p_demux, "PSINewTableCallBack: table 0x%x(%d) ext=0x%x(%d)",
3137 i_table_id, i_table_id, i_extension, i_extension );
3138
3139 dvbpsi_AttachSDT( h, i_table_id, i_extension,
3140 (dvbpsi_sdt_callback)SDTCallBack, p_demux );
3141 }
3142 else if( p_demux->p_sys->pid[0x11].psi->i_sdt_version != -1 &&
3143 ( i_table_id == 0x4e || /* Current/Following */
3144 (i_table_id >= 0x50 && i_table_id <= 0x5f) ) ) /* Schedule */
3145 {
3146 msg_Dbg( p_demux, "PSINewTableCallBack: table 0x%x(%d) ext=0x%x(%d)",
3147 i_table_id, i_table_id, i_extension, i_extension );
3148
3149 dvbpsi_eit_callback cb = i_table_id == 0x4e ?
3150 (dvbpsi_eit_callback)EITCallBackCurrentFollowing :
3151 (dvbpsi_eit_callback)EITCallBackSchedule;
3152 dvbpsi_AttachEIT( h, i_table_id, i_extension, cb, p_demux );
3153 }
3154 #ifdef TS_USE_TDT
3155 else if( p_demux->p_sys->pid[0x11].psi->i_sdt_version != -1 &&
3156 i_table_id == 0x70 ) /* TDT */
3157 {
3158 msg_Dbg( p_demux, "PSINewTableCallBack: table 0x%x(%d) ext=0x%x(%d)",
3159 i_table_id, i_table_id, i_extension, i_extension );
3160 dvbpsi_AttachTOT( h, i_table_id, i_extension,
3161 (dvbpsi_tot_callback)TDTCallBack, p_demux);
3162 }
3163 #endif
3164
3165 }
3166 #endif
3167
3168 /*****************************************************************************
3169 * PMT callback and helpers
3170 *****************************************************************************/
3171 static dvbpsi_descriptor_t *PMTEsFindDescriptor( const dvbpsi_pmt_es_t *p_es,
3172 int i_tag )
3173 {
3174 dvbpsi_descriptor_t *p_dr = p_es->p_first_descriptor;;
3175 while( p_dr && ( p_dr->i_tag != i_tag ) )
3176 p_dr = p_dr->p_next;
3177 return p_dr;
3178 }
3179 static bool PMTEsHasRegistration( demux_t *p_demux,
3180 const dvbpsi_pmt_es_t *p_es,
3181 const char *psz_tag )
3182 {
3183 dvbpsi_descriptor_t *p_dr = PMTEsFindDescriptor( p_es, 0x05 );
3184 if( !p_dr )
3185 return false;
3186
3187 if( p_dr->i_length < 4 )
3188 {
3189 msg_Warn( p_demux, "invalid Registration Descriptor" );
3190 return false;
3191 }
3192
3193 assert( strlen(psz_tag) == 4 );
3194 return !memcmp( p_dr->p_data, psz_tag, 4 );
3195 }
3196 static void PMTSetupEsISO14496( demux_t *p_demux, ts_pid_t *pid,
3197 const ts_prg_psi_t *prg, const dvbpsi_pmt_es_t *p_es )
3198 {
3199 es_format_t *p_fmt = &pid->es->fmt;
3200
3201 /* MPEG-4 stream: search SL_DESCRIPTOR */
3202 dvbpsi_descriptor_t *p_dr = PMTEsFindDescriptor( p_es, 0x1f );
3203
3204 if( p_dr && p_dr->i_length == 2 )
3205 {
3206 const int i_es_id = ( p_dr->p_data[0] << 8 ) | p_dr->p_data[1];
3207
3208 msg_Warn( p_demux, "found SL_descriptor es_id=%d", i_es_id );
3209
3210 pid->es->p_mpeg4desc = NULL;
3211
3212 for( int i = 0; i < 255; i++ )
3213 {
3214 iod_descriptor_t *iod = prg->iod;
3215
3216 if( iod->es_descr[i].b_ok &&
3217 iod->es_descr[i].i_es_id == i_es_id )
3218 {
3219 pid->es->p_mpeg4desc = &iod->es_descr[i];
3220 break;
3221 }
3222 }
3223 }
3224 if( !pid->es->p_mpeg4desc )
3225 {
3226 msg_Err( p_demux, "MPEG-4 descriptor not found" );
3227 return;
3228 }
3229
3230 const decoder_config_descriptor_t *dcd = &pid->es->p_mpeg4desc->dec_descr;
3231 if( dcd->i_streamType == 0x04 ) /* VisualStream */
3232 {
3233 p_fmt->i_cat = VIDEO_ES;
3234 switch( dcd->i_objectTypeIndication )
3235 {
3236 case 0x0B: /* mpeg4 sub */
3237 p_fmt->i_cat = SPU_ES;
3238 p_fmt->i_codec = VLC_CODEC_SUBT;
3239 break;
3240
3241 case 0x20: /* mpeg4 */
3242 p_fmt->i_codec = VLC_CODEC_MP4V;
3243 break;
3244 case 0x21: /* h264 */
3245 p_fmt->i_codec = VLC_CODEC_H264;
3246 break;
3247 case 0x60:
3248 case 0x61:
3249 case 0x62:
3250 case 0x63:
3251 case 0x64:
3252 case 0x65: /* mpeg2 */
3253 p_fmt->i_codec = VLC_CODEC_MPGV;
3254 break;
3255 case 0x6a: /* mpeg1 */
3256 p_fmt->i_codec = VLC_CODEC_MPGV;
3257 break;
3258 case 0x6c: /* mpeg1 */
3259 p_fmt->i_codec = VLC_CODEC_JPEG;
3260 break;
3261 default:
3262 p_fmt->i_cat = UNKNOWN_ES;
3263 break;
3264 }
3265 }
3266 else if( dcd->i_streamType == 0x05 ) /* AudioStream */
3267 {
3268 p_fmt->i_cat = AUDIO_ES;
3269 switch( dcd->i_objectTypeIndication )
3270 {
3271 case 0x40: /* mpeg4 */
3272 p_fmt->i_codec = VLC_CODEC_MP4A;
3273 break;
3274 case 0x66:
3275 case 0x67:
3276 case 0x68: /* mpeg2 aac */
3277 p_fmt->i_codec = VLC_CODEC_MP4A;
3278 break;
3279 case 0x69: /* mpeg2 */
3280 p_fmt->i_codec = VLC_CODEC_MPGA;
3281 break;
3282 case 0x6b: /* mpeg1 */
3283 p_fmt->i_codec = VLC_CODEC_MPGA;
3284 break;
3285 default:
3286 p_fmt->i_cat = UNKNOWN_ES;
3287 break;
3288 }
3289 }
3290 else
3291 {
3292 p_fmt->i_cat = UNKNOWN_ES;
3293 }
3294
3295 if( p_fmt->i_cat != UNKNOWN_ES )
3296 {
3297 p_fmt->i_extra = dcd->i_decoder_specific_info_len;
3298 if( p_fmt->i_extra > 0 )
3299 {
3300 p_fmt->p_extra = malloc( p_fmt->i_extra );
3301 if( p_fmt->p_extra )
3302 memcpy( p_fmt->p_extra,
3303 dcd->p_decoder_specific_info,
3304 p_fmt->i_extra );
3305 else
3306 p_fmt->i_extra = 0;
3307 }
3308 }
3309 }
3310
3311 typedef struct
3312 {
3313 int i_type;
3314 int i_magazine;
3315 int i_page;
3316 char p_iso639[3];
3317 } ts_teletext_page_t;
3318
3319 static void PMTSetupEsTeletext( demux_t *p_demux, ts_pid_t *pid,
3320 const dvbpsi_pmt_es_t *p_es )
3321 {
3322 es_format_t *p_fmt = &pid->es->fmt;
3323
3324 ts_teletext_page_t p_page[2 * 64 + 20];
3325 unsigned i_page = 0;
3326
3327 /* Gather pages information */
3328 #if defined _DVBPSI_DR_56_H_ && \
3329 defined DVBPSI_VERSION && DVBPSI_VERSION_INT > ((0<<16)+(1<<8)+5)
3330 for( unsigned i_tag_idx = 0; i_tag_idx < 2; i_tag_idx++ )
3331 {
3332 dvbpsi_descriptor_t *p_dr = PMTEsFindDescriptor( p_es, i_tag_idx == 0 ? 0x46 : 0x56 );
3333 if( !p_dr )
3334 continue;
3335
3336 dvbpsi_teletext_dr_t *p_sub = dvbpsi_DecodeTeletextDr( p_dr );
3337 if( !p_sub )
3338 continue;
3339
3340 for( int i = 0; i < p_sub->i_pages_number; i++ )
3341 {
3342 const dvbpsi_teletextpage_t *p_src = &p_sub->p_pages[i];
3343
3344 if( p_src->i_teletext_type >= 0x06 )
3345 continue;
3346
3347 assert( i_page < sizeof(p_page)/sizeof(*p_page) );
3348
3349 ts_teletext_page_t *p_dst = &p_page[i_page++];
3350
3351 p_dst->i_type = p_src->i_teletext_type;
3352 p_dst->i_magazine = p_src->i_teletext_magazine_number
3353 ? p_src->i_teletext_magazine_number : 8;
3354 p_dst->i_page = p_src->i_teletext_page_number;
3355 memcpy( p_dst->p_iso639, p_src->i_iso6392_language_code, 3 );
3356 }
3357 }
3358 #endif
3359
3360 #ifdef _DVBPSI_DR_59_H_
3361 dvbpsi_descriptor_t *p_dr = PMTEsFindDescriptor( p_es, 0x59 );
3362 if( p_dr )
3363 {
3364 dvbpsi_subtitling_dr_t *p_sub = dvbpsi_DecodeSubtitlingDr( p_dr );
3365 for( int i = 0; p_sub && i < p_sub->i_subtitles_number; i++ )
3366 {
3367 dvbpsi_subtitle_t *p_src = &p_sub->p_subtitle[i];
3368
3369 if( p_src->i_subtitling_type < 0x01 || p_src->i_subtitling_type > 0x03 )
3370 continue;
3371
3372 assert( i_page < sizeof(p_page)/sizeof(*p_page) );
3373
3374 ts_teletext_page_t *p_dst = &p_page[i_page++];
3375
3376 switch( p_src->i_subtitling_type )
3377 {
3378 case 0x01:
3379 p_dst->i_type = 0x02;
3380 break;
3381 default:
3382 p_dst->i_type = 0x03;
3383 break;
3384 }
3385 /* FIXME check if it is the right split */
3386 p_dst->i_magazine = (p_src->i_composition_page_id >> 8)
3387 ? (p_src->i_composition_page_id >> 8) : 8;
3388 p_dst->i_page = p_src->i_composition_page_id & 0xff;
3389 memcpy( p_dst->p_iso639, p_src->i_iso6392_language_code, 3 );
3390 }
3391 }
3392 #endif
3393
3394 /* */
3395 es_format_Init( p_fmt, SPU_ES, VLC_CODEC_TELETEXT );
3396
3397 if( !p_demux->p_sys->b_split_es || i_page <= 0 )
3398 {
3399 p_fmt->subs.teletext.i_magazine = -1;
3400 p_fmt->subs.teletext.i_page = 0;
3401 p_fmt->psz_description = strdup( vlc_gettext(ppsz_teletext_type[1]) );
3402
3403 dvbpsi_descriptor_t *p_dr;
3404 p_dr = PMTEsFindDescriptor( p_es, 0x46 );
3405 if( !p_dr )
3406 p_dr = PMTEsFindDescriptor( p_es, 0x56 );
3407
3408 if( !p_demux->p_sys->b_split_es && p_dr && p_dr->i_length > 0 )
3409 {
3410 /* Descriptor pass-through */
3411 p_fmt->p_extra = malloc( p_dr->i_length );
3412 if( p_fmt->p_extra )
3413 {
3414 p_fmt->i_extra = p_dr->i_length;
3415 memcpy( p_fmt->p_extra, p_dr->p_data, p_dr->i_length );
3416 }
3417 }
3418 }
3419 else
3420 {
3421 for( unsigned i = 0; i < i_page; i++ )
3422 {
3423 ts_es_t *p_es;
3424
3425 /* */
3426 if( i == 0 )
3427 {
3428 p_es = pid->es;
3429 }
3430 else
3431 {
3432 p_es = malloc( sizeof(*p_es) );
3433 if( !p_es )
3434 break;
3435
3436 es_format_Copy( &p_es->fmt, &pid->es->fmt );
3437 free( p_es->fmt.psz_language );
3438 free( p_es->fmt.psz_description );
3439 p_es->fmt.psz_language = NULL;
3440 p_es->fmt.psz_description = NULL;
3441
3442 p_es->id = NULL;
3443 p_es->p_pes = NULL;
3444 p_es->i_pes_size = 0;
3445 p_es->i_pes_gathered = 0;
3446 p_es->pp_last = &p_es->p_pes;
3447 p_es->p_mpeg4desc = NULL;
3448 p_es->b_gather = false;
3449
3450 TAB_APPEND( pid->i_extra_es, pid->extra_es, p_es );
3451 }
3452
3453 /* */
3454 const ts_teletext_page_t *p = &p_page[i];
3455 p_es->fmt.i_priority = (p->i_type == 0x02 || p->i_type == 0x05) ? 0 : -1;
3456 p_es->fmt.psz_language = strndup( p->p_iso639, 3 );
3457 p_es->fmt.psz_description = strdup(vlc_gettext(ppsz_teletext_type[p->i_type]));
3458 p_es->fmt.subs.teletext.i_magazine = p->i_magazine;
3459 p_es->fmt.subs.teletext.i_page = p->i_page;
3460
3461 msg_Dbg( p_demux,
3462 " * ttxt type=%s lan=%s page=%d%02x",
3463 p_es->fmt.psz_description,
3464 p_es->fmt.psz_language,
3465 p->i_magazine, p->i_page );
3466 }
3467 }
3468 }
3469 static void PMTSetupEsDvbSubtitle( demux_t *p_demux, ts_pid_t *pid,
3470 const dvbpsi_pmt_es_t *p_es )
3471 {
3472 es_format_t *p_fmt = &pid->es->fmt;
3473
3474 es_format_Init( p_fmt, SPU_ES, VLC_CODEC_DVBS );
3475
3476 dvbpsi_descriptor_t *p_dr = PMTEsFindDescriptor( p_es, 0x59 );
3477 int i_page = 0;
3478 #ifdef _DVBPSI_DR_59_H_
3479 dvbpsi_subtitling_dr_t *p_sub = dvbpsi_DecodeSubtitlingDr( p_dr );
3480 for( int i = 0; p_sub && i < p_sub->i_subtitles_number; i++ )
3481 {
3482 const int i_type = p_sub->p_subtitle[i].i_subtitling_type;
3483 if( ( i_type >= 0x10 && i_type <= 0x14 ) ||
3484 ( i_type >= 0x20 && i_type <= 0x24 ) )
3485 i_page++;
3486 }
3487 #endif
3488
3489 if( !p_demux->p_sys->b_split_es || i_page <= 0 )
3490 {
3491 p_fmt->subs.dvb.i_id = -1;
3492 p_fmt->psz_description = strdup( _("DVB subtitles") );
3493
3494 if( !p_demux->p_sys->b_split_es && p_dr && p_dr->i_length > 0 )
3495 {
3496 /* Descriptor pass-through */
3497 p_fmt->p_extra = malloc( p_dr->i_length );
3498 if( p_fmt->p_extra )
3499 {
3500 p_fmt->i_extra = p_dr->i_length;
3501 memcpy( p_fmt->p_extra, p_dr->p_data, p_dr->i_length );
3502 }
3503 }
3504 }
3505 else
3506 {
3507 #ifdef _DVBPSI_DR_59_H_
3508 for( int i = 0; i < p_sub->i_subtitles_number; i++ )
3509 {
3510 ts_es_t *p_es;
3511
3512 /* */
3513 if( i == 0 )
3514 {
3515 p_es = pid->es;
3516 }
3517 else
3518 {
3519 p_es = malloc( sizeof(*p_es) );
3520 if( !p_es )
3521 break;
3522
3523 es_format_Copy( &p_es->fmt, &pid->es->fmt );
3524 free( p_es->fmt.psz_language );
3525 free( p_es->fmt.psz_description );
3526 p_es->fmt.psz_language = NULL;
3527 p_es->fmt.psz_description = NULL;
3528
3529 p_es->id = NULL;
3530 p_es->p_pes = NULL;
3531 p_es->i_pes_size = 0;
3532 p_es->i_pes_gathered = 0;
3533 p_es->pp_last = &p_es->p_pes;
3534 p_es->p_mpeg4desc = NULL;
3535 p_es->b_gather = false;
3536
3537 TAB_APPEND( pid->i_extra_es, pid->extra_es, p_es );
3538 }
3539
3540 /* */
3541 const dvbpsi_subtitle_t *p = &p_sub->p_subtitle[i];
3542 p_es->fmt.psz_language = strndup( p->i_iso6392_language_code, 3 );
3543 switch( p->i_subtitling_type )
3544 {
3545 case 0x10: /* unspec. */
3546 case 0x11: /* 4:3 */
3547 case 0x12: /* 16:9 */
3548 case 0x13: /* 2.21:1 */
3549 case 0x14: /* HD monitor */
3550 p_es->fmt.psz_description = strdup( _("DVB subtitles") );
3551 break;
3552 case 0x20: /* Hearing impaired unspec. */
3553 case 0x21: /* h.i. 4:3 */
3554 case 0x22: /* h.i. 16:9 */
3555 case 0x23: /* h.i. 2.21:1 */
3556 case 0x24: /* h.i. HD monitor */
3557 p_es->fmt.psz_description = strdup( _("DVB subtitles: hearing impaired") );
3558 break;
3559 default:
3560 break;
3561 }
3562
3563 /* Hack, FIXME */
3564 p_es->fmt.subs.dvb.i_id = ( p->i_composition_page_id << 0 ) |
3565 ( p->i_ancillary_page_id << 16 );
3566 }
3567 #endif
3568 }
3569 }
3570 static void PMTSetupEs0x06( demux_t *p_demux, ts_pid_t *pid,
3571 const dvbpsi_pmt_es_t *p_es )
3572 {
3573 es_format_t *p_fmt = &pid->es->fmt;
3574
3575 if( PMTEsHasRegistration( p_demux, p_es, "AC-3" ) ||
3576 PMTEsFindDescriptor( p_es, 0x6a ) ||
3577 PMTEsFindDescriptor( p_es, 0x81 ) )
3578 {
3579 p_fmt->i_cat = AUDIO_ES;
3580 p_fmt->i_codec = VLC_CODEC_A52;
3581 }
3582 else if( PMTEsFindDescriptor( p_es, 0x7a ) )
3583 {
3584 /* DVB with stream_type 0x06 (ETS EN 300 468) */
3585 p_fmt->i_cat = AUDIO_ES;
3586 p_fmt->i_codec = VLC_CODEC_EAC3;
3587 }
3588 else if( PMTEsHasRegistration( p_demux, p_es, "DTS1" ) ||
3589 PMTEsHasRegistration( p_demux, p_es, "DTS2" ) ||
3590 PMTEsHasRegistration( p_demux, p_es, "DTS3" ) ||
3591 PMTEsFindDescriptor( p_es, 0x73 ) )
3592 {
3593 /*registration descriptor(ETSI TS 101 154 Annex F)*/
3594 p_fmt->i_cat = AUDIO_ES;
3595 p_fmt->i_codec = VLC_CODEC_DTS;
3596 }
3597 else if( PMTEsHasRegistration( p_demux, p_es, "BSSD" ) )
3598 {
3599 p_fmt->i_cat = AUDIO_ES;
3600 p_fmt->b_packetized = true;
3601 p_fmt->i_codec = VLC_CODEC_302M;
3602 }
3603 else
3604 {
3605 /* Subtitle/Teletext/VBI fallbacks */
3606 dvbpsi_descriptor_t *p_dr = PMTEsFindDescriptor( p_es, 0x59 );
3607
3608 #ifdef _DVBPSI_DR_59_H_
3609 dvbpsi_subtitling_dr_t *p_sub;
3610 if( p_dr && ( p_sub = dvbpsi_DecodeSubtitlingDr( p_dr ) ) )
3611 {
3612 for( int i = 0; i < p_sub->i_subtitles_number; i++ )
3613 {
3614 if( p_fmt->i_cat != UNKNOWN_ES )
3615 break;
3616
3617 switch( p_sub->p_subtitle[i].i_subtitling_type )
3618 {
3619 case 0x01: /* EBU Teletext subtitles */
3620 case 0x02: /* Associated EBU Teletext */
3621 case 0x03: /* VBI data */
3622 PMTSetupEsTeletext( p_demux, pid, p_es );
3623 break;
3624 case 0x10: /* DVB Subtitle (normal) with no monitor AR critical */
3625 case 0x11: /* ... on 4:3 AR monitor */
3626 case 0x12: /* ... on 16:9 AR monitor */
3627 case 0x13: /* ... on 2.21:1 AR monitor */
3628 case 0x14: /* ... for display on a high definition monitor */
3629 case 0x20: /* DVB Subtitle (impaired) with no monitor AR critical */
3630 case 0x21: /* ... on 4:3 AR monitor */
3631 case 0x22: /* ... on 16:9 AR monitor */
3632 case 0x23: /* ... on 2.21:1 AR monitor */
3633 case 0x24: /* ... for display on a high definition monitor */
3634 PMTSetupEsDvbSubtitle( p_demux, pid, p_es );
3635 break;
3636 default:
3637 msg_Err( p_demux, "Unrecognized DVB subtitle type (0x%x)",
3638 p_sub->p_subtitle[i].i_subtitling_type );
3639 break;
3640 }
3641 }
3642 }
3643 #else
3644 if( p_fmt->i_cat == UNKNOWN_ES && p_dr )
3645 PMTSetupEsDvbSubtitle( p_demux, pid, p_es );
3646 #endif
3647 if( p_fmt->i_cat == UNKNOWN_ES &&
3648 ( PMTEsFindDescriptor( p_es, 0x45 ) || /* VBI Data descriptor */
3649 PMTEsFindDescriptor( p_es, 0x46 ) || /* VBI Teletext descriptor */
3650 PMTEsFindDescriptor( p_es, 0x56 ) ) ) /* EBU Teletext descriptor */
3651 {
3652 /* Teletext/VBI */
3653 PMTSetupEsTeletext( p_demux, pid, p_es );
3654 }
3655 }
3656
3657 #ifdef _DVBPSI_DR_52_H_
3658 /* FIXME is it useful ? */
3659 if( PMTEsFindDescriptor( p_es, 0x52 ) )
3660 {
3661 dvbpsi_descriptor_t *p_dr = PMTEsFindDescriptor( p_es, 0x52 );
3662 dvbpsi_stream_identifier_dr_t *p_si = dvbpsi_DecodeStreamIdentifierDr( p_dr );
3663
3664 msg_Dbg( p_demux, " * Stream Component Identifier: %d", p_si->i_component_tag );
3665 }
3666 #endif
3667 }
3668
3669 static void PMTSetupEs0xEA( demux_t *p_demux, ts_pid_t *pid,
3670 const dvbpsi_pmt_es_t *p_es )
3671 {
3672 /* Registration Descriptor */
3673 if( !PMTEsHasRegistration( p_demux, p_es, "VC-1" ) )
3674 {
3675 msg_Err( p_demux, "Registration descriptor not found or invalid" );
3676 return;
3677 }
3678
3679 es_format_t *p_fmt = &pid->es->fmt;
3680
3681 /* registration descriptor for VC-1 (SMPTE rp227) */
3682 p_fmt->i_cat = VIDEO_ES;
3683 p_fmt->i_codec = VLC_CODEC_VC1;
3684
3685 /* XXX With Simple and Main profile the SEQUENCE
3686 * header is modified: video width and height are
3687 * inserted just after the start code as 2 int16_t
3688 * The packetizer will take care of that. */
3689 }
3690
3691 static void PMTSetupEs0xD1( demux_t *p_demux, ts_pid_t *pid,
3692 const dvbpsi_pmt_es_t *p_es )
3693 {
3694 /* Registration Descriptor */
3695 if( !PMTEsHasRegistration( p_demux, p_es, "drac" ) )
3696 {
3697 msg_Err( p_demux, "Registration descriptor not found or invalid" );
3698 return;
3699 }
3700
3701 es_format_t *p_fmt = &pid->es->fmt;
3702
3703 /* registration descriptor for Dirac
3704 * (backwards compatable with VC-2 (SMPTE Sxxxx:2008)) */
3705 p_fmt->i_cat = VIDEO_ES;
3706 p_fmt->i_codec = VLC_CODEC_DIRAC;
3707 }
3708
3709 static void PMTSetupEs0xA0( demux_t *p_demux, ts_pid_t *pid,
3710 const dvbpsi_pmt_es_t *p_es )
3711 {
3712 /* MSCODEC sent by vlc */
3713 dvbpsi_descriptor_t *p_dr = PMTEsFindDescriptor( p_es, 0xa0 );
3714 if( !p_dr || p_dr->i_length < 10 )
3715 {
3716 msg_Warn( p_demux,
3717 "private MSCODEC (vlc) without bih private descriptor" );
3718 return;
3719 }
3720
3721 es_format_t *p_fmt = &pid->es->fmt;
3722 p_fmt->i_cat = VIDEO_ES;
3723 p_fmt->i_codec = VLC_FOURCC( p_dr->p_data[0], p_dr->p_data[1],
3724 p_dr->p_data[2], p_dr->p_data[3] );
3725 p_fmt->video.i_width = GetWBE( &p_dr->p_data[4] );
3726 p_fmt->video.i_height = GetWBE( &p_dr->p_data[6] );
3727 p_fmt->i_extra = GetWBE( &p_dr->p_data[8] );
3728
3729 if( p_fmt->i_extra > 0 )
3730 {
3731 p_fmt->p_extra = malloc( p_fmt->i_extra );
3732 if( p_fmt->p_extra )
3733 memcpy( p_fmt->p_extra, &p_dr->p_data[10],
3734 __MIN( p_fmt->i_extra, p_dr->i_length - 10 ) );
3735 else
3736 p_fmt->i_extra = 0;
3737 }
3738 /* For such stream we will gather them ourself and don't launch a
3739 * packetizer.
3740 * Yes it's ugly but it's the only way to have DIV3 working */
3741 p_fmt->b_packetized = true;
3742 }
3743
3744 static void PMTSetupEsHDMV( demux_t *p_demux, ts_pid_t *pid,
3745 const dvbpsi_pmt_es_t *p_es )
3746 {
3747 VLC_UNUSED(p_demux);
3748 es_format_t *p_fmt = &pid->es->fmt;
3749
3750 /* Blu-Ray mapping */
3751 switch( p_es->i_type )
3752 {
3753 case 0x80:
3754 p_fmt->i_cat = AUDIO_ES;
3755 p_fmt->i_codec = VLC_CODEC_BD_LPCM;
3756 break;
3757 case 0x82:
3758 case 0x85: /* DTS-HD High resolution audio */
3759 case 0x86: /* DTS-HD Master audio */
3760 case 0xA2: /* Secondary DTS audio */
3761 p_fmt->i_cat = AUDIO_ES;
3762 p_fmt->i_codec = VLC_CODEC_DTS;
3763 break;
3764
3765 case 0x83: /* TrueHD AC3 */
3766 p_fmt->i_cat = AUDIO_ES;
3767 p_fmt->i_codec = VLC_CODEC_TRUEHD;
3768 break;
3769
3770 case 0x84: /* E-AC3 */
3771 case 0xA1: /* Secondary E-AC3 */
3772 p_fmt->i_cat = AUDIO_ES;
3773 p_fmt->i_codec = VLC_CODEC_EAC3;
3774 break;
3775 case 0x90: /* Presentation graphics */
3776 p_fmt->i_cat = SPU_ES;
3777 p_fmt->i_codec = VLC_CODEC_BD_PG;
3778 break;
3779 case 0x91: /* Interactive graphics */
3780 case 0x92: /* Subtitle */
3781 default:
3782 break;
3783 }
3784 }
3785
3786 static void PMTSetupEsRegistration( demux_t *p_demux, ts_pid_t *pid,
3787 const dvbpsi_pmt_es_t *p_es )
3788 {
3789 static const struct
3790 {
3791 char psz_tag[5];
3792 int i_cat;
3793 vlc_fourcc_t i_codec;
3794 } p_regs[] = {
3795 { "AC-3", AUDIO_ES, VLC_CODEC_A52 },
3796 { "DTS1", AUDIO_ES, VLC_CODEC_DTS },
3797 { "DTS2", AUDIO_ES, VLC_CODEC_DTS },
3798 { "DTS3", AUDIO_ES, VLC_CODEC_DTS },
3799 { "BSSD", AUDIO_ES, VLC_CODEC_302M },
3800 { "VC-1", VIDEO_ES, VLC_CODEC_VC1 },
3801 { "drac", VIDEO_ES, VLC_CODEC_DIRAC },
3802 { "", UNKNOWN_ES, 0 }
3803 };
3804 es_format_t *p_fmt = &pid->es->fmt;
3805
3806 for( int i = 0; p_regs[i].i_cat != UNKNOWN_ES; i++ )
3807 {
3808 if( PMTEsHasRegistration( p_demux, p_es, p_regs[i].psz_tag ) )
3809 {
3810 p_fmt->i_cat = p_regs[i].i_cat;
3811 p_fmt->i_codec = p_regs[i].i_codec;
3812 break;
3813 }
3814 }
3815 }
3816
3817 static void PMTParseEsIso639( demux_t *p_demux, ts_pid_t *pid,
3818 const dvbpsi_pmt_es_t *p_es )
3819 {
3820 /* get language descriptor */
3821 dvbpsi_descriptor_t *p_dr = PMTEsFindDescriptor( p_es, 0x0a );
3822
3823 if( !p_dr )
3824 return;
3825
3826 dvbpsi_iso639_dr_t *p_decoded = dvbpsi_DecodeISO639Dr( p_dr );
3827 if( !p_decoded )
3828 {
3829 msg_Err( p_demux, "Failed to decode a ISO 639 descriptor" );
3830 return;
3831 }
3832
3833 #if defined(DR_0A_API_VER) && (DR_0A_API_VER >= 2)
3834 pid->es->fmt.psz_language = malloc( 4 );
3835 if( pid->es->fmt.psz_language )
3836 {
3837 memcpy( pid->es->fmt.psz_language,
3838 p_decoded->code[0].iso_639_code, 3 );
3839 pid->es->fmt.psz_language[3] = 0;
3840 msg_Dbg( p_demux, "found language: %s", pid->es->fmt.psz_language);
3841 }
3842 switch( p_decoded->code[0].i_audio_type )
3843 {
3844 case 0:
3845 pid->es->fmt.i_priority = 1; // prioritize normal audio tracks
3846 pid->es->fmt.psz_description = NULL;
3847 break;
3848 case 1:
3849 pid->es->fmt.psz_description =
3850 strdup(_("clean effects"));
3851 break;
3852 case 2:
3853 pid->es->fmt.psz_description =
3854 strdup(_("hearing impaired"));
3855 break;
3856 case 3:
3857 pid->es->fmt.psz_description =
3858 strdup(_("visual impaired commentary"));
3859 break;
3860 default:
3861 msg_Dbg( p_demux, "unknown audio type: %d",
3862 p_decoded->code[0].i_audio_type);
3863 pid->es->fmt.psz_description = NULL;
3864 break;
3865 }
3866 pid->es->fmt.i_extra_languages = p_decoded->i_code_count-1;
3867 if( pid->es->fmt.i_extra_languages > 0 )
3868 pid->es->fmt.p_extra_languages =
3869 malloc( sizeof(*pid->es->fmt.p_extra_languages) *
3870 pid->es->fmt.i_extra_languages );
3871 if( pid->es->fmt.p_extra_languages )
3872 {
3873 for( int i = 0; i < pid->es->fmt.i_extra_languages; i++ )
3874 {
3875 msg_Dbg( p_demux, "bang" );
3876 pid->es->fmt.p_extra_languages[i].psz_language =
3877 malloc(4);
3878 if( pid->es->fmt.p_extra_languages[i].psz_language )
3879 {
3880 memcpy( pid->es->fmt.p_extra_languages[i].psz_language,
3881 p_decoded->code[i+1].iso_639_code, 3 );
3882 pid->es->fmt.p_extra_languages[i].psz_language[3] = '\0';
3883 }
3884 switch( p_decoded->code[i].i_audio_type )
3885 {
3886 case 0:
3887 pid->es->fmt.p_extra_languages[i].psz_description =
3888 NULL;
3889 break;
3890 case 1:
3891 pid->es->fmt.p_extra_languages[i].psz_description =
3892 strdup(_("clean effects"));
3893 break;
3894 case 2:
3895 pid->es->fmt.p_extra_languages[i].psz_description =
3896 strdup(_("hearing impaired"));
3897 break;
3898 case 3:
3899 pid->es->fmt.p_extra_languages[i].psz_description =
3900 strdup(_("visual impaired commentary"));
3901 break;
3902 default:
3903 msg_Dbg( p_demux, "unknown audio type: %d",
3904 p_decoded->code[i].i_audio_type);
3905 pid->es->fmt.psz_description = NULL;
3906 break;
3907 }
3908
3909 }
3910 }
3911 #else
3912 pid->es->fmt.psz_language = malloc( 4 );
3913 if( pid->es->fmt.psz_language )
3914 {
3915 memcpy( pid->es->fmt.psz_language,
3916 p_decoded->i_iso_639_code, 3 );
3917 pid->es->fmt.psz_language[3] = 0;
3918 }
3919 #endif
3920 }
3921
3922 static void PMTCallBack( demux_t *p_demux, dvbpsi_pmt_t *p_pmt )
3923 {
3924 demux_sys_t *p_sys = p_demux->p_sys;
3925 dvbpsi_descriptor_t *p_dr;
3926 dvbpsi_pmt_es_t *p_es;
3927
3928 ts_pid_t *pmt = NULL;
3929 ts_prg_psi_t *prg = NULL;
3930
3931 ts_pid_t **pp_clean = NULL;
3932 int i_clean = 0;
3933 bool b_hdmv = false;
3934
3935 msg_Dbg( p_demux, "PMTCallBack called" );
3936
3937 /* First find this PMT declared in PAT */
3938 for( int i = 0; i < p_sys->i_pmt; i++ )
3939 {
3940 int i_prg;
3941 for( i_prg = 0; i_prg < p_sys->pmt[i]->psi->i_prg; i_prg++ )
3942 {
3943 const int i_pmt_number = p_sys->pmt[i]->psi->prg[i_prg]->i_number;
3944 if( i_pmt_number != TS_USER_PMT_NUMBER && i_pmt_number == p_pmt->i_program_number )
3945 {
3946 pmt = p_sys->pmt[i];
3947 prg = p_sys->pmt[i]->psi->prg[i_prg];
3948 break;
3949 }
3950 }
3951 if( pmt )
3952 break;
3953 }
3954
3955 if( pmt == NULL )
3956 {
3957 msg_Warn( p_demux, "unreferenced program (broken stream)" );
3958 dvbpsi_DeletePMT(p_pmt);
3959 return;
3960 }
3961
3962 if( prg->i_version != -1 &&
3963 ( !p_pmt->b_current_next || prg->i_version == p_pmt->i_version ) )
3964 {
3965 dvbpsi_DeletePMT( p_pmt );
3966 return;
3967 }
3968
3969 /* Clean this program (remove all es) */
3970 for( int i = 0; i < 8192; i++ )
3971 {
3972 ts_pid_t *pid = &p_sys->pid[i];
3973
3974 if( pid->b_valid && pid->p_owner == pmt->psi &&
3975 pid->i_owner_number == prg->i_number && pid->psi == NULL )
3976 {
3977 TAB_APPEND( i_clean, pp_clean, pid );
3978 }
3979 }
3980 if( prg->iod )
3981 {
3982 IODFree( prg->iod );
3983 prg->iod = NULL;
3984 }
3985
3986 msg_Dbg( p_demux, "new PMT program number=%d version=%d pid_pcr=%d",
3987 p_pmt->i_program_number, p_pmt->i_version, p_pmt->i_pcr_pid );
3988 prg->i_pid_pcr = p_pmt->i_pcr_pid;
3989 prg->i_version = p_pmt->i_version;
3990
3991 ValidateDVBMeta( p_demux, prg->i_pid_pcr );
3992 if( ProgramIsSelected( p_demux, prg->i_number ) )
3993 {
3994 /* Set demux filter */
3995 SetPIDFilter( p_demux, prg->i_pid_pcr, true );
3996 }
3997
3998 /* Parse descriptor */
3999 for( p_dr = p_pmt->p_first_descriptor; p_dr != NULL; p_dr = p_dr->p_next )
4000 {
4001 if( p_dr->i_tag == 0x1d )
4002 {
4003 /* We have found an IOD descriptor */
4004 msg_Dbg( p_demux, " * descriptor : IOD (0x1d)" );
4005
4006 prg->iod = IODNew( p_dr->i_length, p_dr->p_data );
4007 }
4008 else if( p_dr->i_tag == 0x9 )
4009 {
4010 uint16_t i_sysid = ((uint16_t)p_dr->p_data[0] << 8)
4011 | p_dr->p_data[1];
4012 msg_Dbg( p_demux, " * descriptor : CA (0x9) SysID 0x%x", i_sysid );
4013 }
4014 else if( p_dr->i_tag == 0x05 )
4015 {
4016 /* Registration Descriptor */
4017 if( p_dr->i_length != 4 )
4018 {
4019 msg_Warn( p_demux, "invalid Registration Descriptor" );
4020 }
4021 else
4022 {
4023 msg_Dbg( p_demux, " * descriptor : registration %4.4s", p_dr->p_data );
4024 if( !memcmp( p_dr->p_data, "HDMV", 4 ) )
4025 {
4026 /* Blu-Ray */
4027 b_hdmv = true;
4028 }
4029 }
4030 }
4031 else
4032 {
4033 msg_Dbg( p_demux, " * descriptor : unknown (0x%x)", p_dr->i_tag );
4034 }
4035 }
4036
4037 for( p_es = p_pmt->p_first_es; p_es != NULL; p_es = p_es->p_next )
4038 {
4039 ts_pid_t tmp_pid, *old_pid = 0, *pid = &tmp_pid;
4040
4041 /* Find out if the PID was already declared */
4042 for( int i = 0; i < i_clean; i++ )
4043 {
4044 if( pp_clean[i] == &p_sys->pid[p_es->i_pid] )
4045 {
4046 old_pid = pp_clean[i];
4047 break;
4048 }
4049 }
4050 ValidateDVBMeta( p_demux, p_es->i_pid );
4051
4052 if( !old_pid && p_sys->pid[p_es->i_pid].b_valid )
4053 {
4054 msg_Warn( p_demux, "pmt error: pid=%d already defined",
4055 p_es->i_pid );
4056 continue;
4057 }
4058
4059 for( p_dr = p_es->p_first_descriptor; p_dr != NULL;
4060 p_dr = p_dr->p_next )
4061 {
4062 msg_Dbg( p_demux, " * es pid=%d type=%d dr->i_tag=0x%x",
4063 p_es->i_pid, p_es->i_type, p_dr->i_tag );
4064 }
4065
4066 PIDInit( pid, false, pmt->psi );
4067 PIDFillFormat( pid, p_es->i_type );
4068 pid->i_owner_number = prg->i_number;
4069 pid->i_pid = p_es->i_pid;
4070 pid->b_seen = p_sys->pid[p_es->i_pid].b_seen;
4071
4072 if( p_es->i_type == 0x10 || p_es->i_type == 0x11 ||
4073 p_es->i_type == 0x12 || p_es->i_type == 0x0f )
4074 {
4075 PMTSetupEsISO14496( p_demux, pid, prg, p_es );
4076 }
4077 else if( p_es->i_type == 0x06 )
4078 {
4079 PMTSetupEs0x06( p_demux, pid, p_es );
4080 }
4081 else if( p_es->i_type == 0xEA )
4082 {
4083 PMTSetupEs0xEA( p_demux, pid, p_es );
4084 }
4085 else if( p_es->i_type == 0xd1 )
4086 {
4087 PMTSetupEs0xD1( p_demux, pid, p_es );
4088 }
4089 else if( p_es->i_type == 0xa0 )
4090 {
4091 PMTSetupEs0xA0( p_demux, pid, p_es );
4092 }
4093 else if( b_hdmv )
4094 {
4095 PMTSetupEsHDMV( p_demux, pid, p_es );
4096 }
4097 else if( p_es->i_type >= 0x80 )
4098 {
4099 PMTSetupEsRegistration( p_demux, pid, p_es );
4100 }
4101
4102 if( pid->es->fmt.i_cat == AUDIO_ES ||
4103 ( pid->es->fmt.i_cat == SPU_ES &&
4104 pid->es->fmt.i_codec != VLC_CODEC_DVBS &&
4105 pid->es->fmt.i_codec != VLC_CODEC_TELETEXT ) )
4106 {
4107 PMTParseEsIso639( p_demux, pid, p_es );
4108 }
4109
4110 pid->es->fmt.i_group = p_pmt->i_program_number;
4111 for( int i = 0; i < pid->i_extra_es; i++ )
4112 pid->extra_es[i]->fmt.i_group = p_pmt->i_program_number;
4113
4114 if( pid->es->fmt.i_cat == UNKNOWN_ES )
4115 {
4116 msg_Dbg( p_demux, " * es pid=%d type=%d *unknown*",
4117 p_es->i_pid, p_es->i_type );
4118 }
4119 else if( !p_sys->b_udp_out )
4120 {
4121 msg_Dbg( p_demux, " * es pid=%d type=%d fcc=%4.4s",
4122 p_es->i_pid, p_es->i_type, (char*)&pid->es->fmt.i_codec );
4123
4124 if( p_sys->b_es_id_pid ) pid->es->fmt.i_id = p_es->i_pid;
4125
4126 /* Check if we can avoid restarting the ES */
4127 if( old_pid &&
4128 pid->es->fmt.i_codec == old_pid->es->fmt.i_codec &&
4129 pid->es->fmt.i_extra == old_pid->es->fmt.i_extra &&
4130 pid->es->fmt.i_extra == 0 &&
4131 pid->i_extra_es == old_pid->i_extra_es &&
4132 ( ( !pid->es->fmt.psz_language &&
4133 !old_pid->es->fmt.psz_language ) ||
4134 ( pid->es->fmt.psz_language &&
4135 old_pid->es->fmt.psz_language &&
4136 !strcmp( pid->es->fmt.psz_language,
4137 old_pid->es->fmt.psz_language ) ) ) )
4138 {
4139 pid->es->id = old_pid->es->id;
4140 old_pid->es->id = NULL;
4141 for( int i = 0; i < pid->i_extra_es; i++ )
4142 {
4143 pid->extra_es[i]->id = old_pid->extra_es[i]->id;
4144 old_pid->extra_es[i]->id = NULL;
4145 }
4146 }
4147 else
4148 {
4149 if( old_pid )
4150 {
4151 PIDClean( p_demux, old_pid );
4152 TAB_REMOVE( i_clean, pp_clean, old_pid );
4153 old_pid = 0;
4154 }
4155
4156 pid->es->id = es_out_Add( p_demux->out, &pid->es->fmt );
4157 for( int i = 0; i < pid->i_extra_es; i++ )
4158 {
4159 pid->extra_es[i]->id =
4160 es_out_Add( p_demux->out, &pid->extra_es[i]->fmt );
4161 }
4162 p_sys->i_pmt_es += 1 + pid->i_extra_es;
4163 }
4164 }
4165
4166 /* Add ES to the list */
4167 if( old_pid )
4168 {
4169 PIDClean( p_demux, old_pid );
4170 TAB_REMOVE( i_clean, pp_clean, old_pid );
4171 }
4172 p_sys->pid[p_es->i_pid] = *pid;
4173
4174 p_dr = PMTEsFindDescriptor( p_es, 0x09 );
4175 if( p_dr && p_dr->i_length >= 2 )
4176 {
4177 uint16_t i_sysid = (p_dr->p_data[0] << 8) | p_dr->p_data[1];
4178 msg_Dbg( p_demux, " * descriptor : CA (0x9) SysID 0x%x",
4179 i_sysid );
4180 }
4181
4182 if( ProgramIsSelected( p_demux, prg->i_number ) &&
4183 ( pid->es->id != NULL || p_sys->b_udp_out ) )
4184 {
4185 /* Set demux filter */
4186 SetPIDFilter( p_demux, p_es->i_pid, true );
4187 }
4188 }
4189
4190 /* Set CAM descrambling */
4191 if( !ProgramIsSelected( p_demux, prg->i_number )
4192 || stream_Control( p_demux->s, STREAM_CONTROL_ACCESS,
4193 ACCESS_SET_PRIVATE_ID_CA, p_pmt ) != VLC_SUCCESS )
4194 dvbpsi_DeletePMT( p_pmt );
4195
4196 for( int i = 0; i < i_clean; i++ )
4197 {
4198 if( ProgramIsSelected( p_demux, prg->i_number ) )
4199 {
4200 SetPIDFilter( p_demux, pp_clean[i]->i_pid, false );
4201 }
4202
4203 PIDClean( p_demux, pp_clean[i] );
4204 }
4205 if( i_clean )
4206 free( pp_clean );
4207 }
4208
4209 static void PATCallBack( demux_t *p_demux, dvbpsi_pat_t *p_pat )
4210 {
4211 demux_sys_t *p_sys = p_demux->p_sys;
4212 dvbpsi_pat_program_t *p_program;
4213 ts_pid_t *pat = &p_sys->pid[0];
4214
4215 msg_Dbg( p_demux, "PATCallBack called" );
4216
4217 if( ( pat->psi->i_pat_version != -1 &&
4218 ( !p_pat->b_current_next ||
4219 p_pat->i_version == pat->psi->i_pat_version ) ) ||
4220 p_sys->b_user_pmt )
4221 {
4222 dvbpsi_DeletePAT( p_pat );
4223 return;
4224 }
4225
4226 msg_Dbg( p_demux, "new PAT ts_id=%d version=%d current_next=%d",
4227 p_pat->i_ts_id, p_pat->i_version, p_pat->b_current_next );
4228
4229 /* Clean old */
4230 if( p_sys->i_pmt > 0 )
4231 {
4232 int i_pmt_rm = 0;
4233 ts_pid_t **pmt_rm = NULL;
4234
4235 /* Search pmt to be deleted */
4236 for( int i = 0; i < p_sys->i_pmt; i++ )
4237 {
4238 ts_pid_t *pmt = p_sys->pmt[i];
4239 bool b_keep = false;
4240
4241 for( p_program = p_pat->p_first_program; p_program != NULL;
4242 p_program = p_program->p_next )
4243 {
4244 if( p_program->i_pid == pmt->i_pid )
4245 {
4246 for( int i_prg = 0; i_prg < pmt->psi->i_prg; i_prg++ )
4247 {
4248 if( p_program->i_number ==
4249 pmt->psi->prg[i_prg]->i_number )
4250 {
4251 b_keep = true;
4252 break;
4253 }
4254 }
4255 if( b_keep )
4256 break;
4257 }
4258 }
4259
4260 if( !b_keep )
4261 {
4262 TAB_APPEND( i_pmt_rm, pmt_rm, pmt );
4263 }
4264 }
4265
4266 /* Delete all ES attached to thoses PMT */
4267 for( int i = 2; i < 8192; i++ )
4268 {
4269 ts_pid_t *pid = &p_sys->pid[i];
4270
4271 if( !pid->b_valid || pid->psi )
4272 continue;
4273
4274 for( int j = 0; j < i_pmt_rm && pid->b_valid; j++ )
4275 {
4276 for( int i_prg = 0; i_prg < pid->p_owner->i_prg; i_prg++ )
4277 {
4278 /* We only remove es that aren't defined by extra pmt */
4279 if( pid->p_owner->prg[i_prg]->i_pid_pmt != pmt_rm[j]->i_pid )
4280 continue;
4281
4282 if( pid->es->id )
4283 SetPIDFilter( p_demux, i, false );
4284
4285 PIDClean( p_demux, pid );
4286 break;
4287 }
4288 }
4289 }
4290
4291 /* Delete PMT pid */
4292 for( int i = 0; i < i_pmt_rm; i++ )
4293 {
4294 SetPIDFilter( p_demux, pmt_rm[i]->i_pid, false );
4295
4296 for( int i_prg = 0; i_prg < pmt_rm[i]->psi->i_prg; i_prg++ )
4297 {
4298 const int i_number = pmt_rm[i]->psi->prg[i_prg]->i_number;
4299 es_out_Control( p_demux->out, ES_OUT_DEL_GROUP, i_number );
4300 }
4301
4302 PIDClean( p_demux, &p_sys->pid[pmt_rm[i]->i_pid] );
4303 TAB_REMOVE( p_sys->i_pmt, p_sys->pmt, pmt_rm[i] );
4304 }
4305
4306 free( pmt_rm );
4307 }
4308
4309 /* now create programs */
4310 for( p_program = p_pat->p_first_program; p_program != NULL;
4311 p_program = p_program->p_next )
4312 {
4313 msg_Dbg( p_demux, " * number=%d pid=%d", p_program->i_number,
4314 p_program->i_pid );
4315 if( p_program->i_number != 0 )
4316 {
4317 ts_pid_t *pmt = &p_sys->pid[p_program->i_pid];
4318 bool b_add = true;
4319
4320 ValidateDVBMeta( p_demux, p_program->i_pid );
4321
4322 if( pmt->b_valid )
4323 {
4324 int i_prg;
4325 for( i_prg = 0; i_prg < pmt->psi->i_prg; i_prg++ )
4326 {
4327 if( pmt->psi->prg[i_prg]->i_number == p_program->i_number )
4328 {
4329 b_add = false;
4330 break;
4331 }
4332 }
4333 }
4334 else
4335 {
4336 TAB_APPEND( p_sys->i_pmt, p_sys->pmt, pmt );
4337 }
4338
4339 if( b_add )
4340 {
4341 PIDInit( pmt, true, pat->psi );
4342 pmt->psi->prg[pmt->psi->i_prg-1]->handle =
4343 dvbpsi_AttachPMT( p_program->i_number,
4344 (dvbpsi_pmt_callback)PMTCallBack,
4345 p_demux );
4346 pmt->psi->prg[pmt->psi->i_prg-1]->i_number =
4347 p_program->i_number;
4348 pmt->psi->prg[pmt->psi->i_prg-1]->i_pid_pmt =
4349 p_program->i_pid;
4350
4351 /* Now select PID at access level */
4352 if( ProgramIsSelected( p_demux, p_program->i_number ) )
4353 {
4354 if( p_sys->i_current_program == 0 )
4355 p_sys->i_current_program = p_program->i_number;
4356
4357 if( SetPIDFilter( p_demux, p_program->i_pid, true ) )
4358 p_sys->b_access_control = false;
4359 }
4360 }
4361 }
4362 }
4363 pat->psi->i_pat_version = p_pat->i_version;
4364
4365 dvbpsi_DeletePAT( p_pat );
4366 }