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ffmpeg: targetos must now be in lower case.
[vlc.git] / modules / demux / live555.cpp
blobabdaac2a1553e7e616e2cc878778ee9c9c0194e1
1 /*****************************************************************************
2 * live555.cpp : LIVE555 Streaming Media support.
3 *****************************************************************************
4 * Copyright (C) 2003-2007 the VideoLAN team
5 * $Id$
6 *
7 * Authors: Laurent Aimar <fenrir@via.ecp.fr>
8 * Derk-Jan Hartman <hartman at videolan. org>
9 * Derk-Jan Hartman <djhartman at m2x .dot. nl> for M2X
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
24 *****************************************************************************/
25
26 /*****************************************************************************
27 * Preamble
28 *****************************************************************************/
29
30 #include <vlc/vlc.h>
31 #include <stdlib.h> /* malloc(), free() */
32 #include <string.h>
33
34 #include <vlc_demux.h>
35 #include <vlc_interface.h>
36 #include <vlc_network.h>
37
38 #include <iostream>
39
40 #if defined( WIN32 )
41 # include <winsock2.h>
42 #endif
43
44 #include "BasicUsageEnvironment.hh"
45 #include "GroupsockHelper.hh"
46 #include "liveMedia.hh"
47
48 extern "C" {
49 #include "../access/mms/asf.h" /* Who said ugly ? */
50 }
51
52 using namespace std;
53
54 /*****************************************************************************
55 * Module descriptor
56 *****************************************************************************/
57 static int Open ( vlc_object_t * );
58 static void Close( vlc_object_t * );
59
60 #define CACHING_TEXT N_("Caching value (ms)")
61 #define CACHING_LONGTEXT N_( \
62 "Allows you to modify the default caching value for RTSP streams. This " \
63 "value should be set in millisecond units." )
64
65 #define KASENNA_TEXT N_( "Kasenna RTSP dialect")
66 #define KASENNA_LONGTEXT N_( "Kasenna servers use an old and unstandard " \
67 "dialect of RTSP. When you set this parameter, VLC will try this dialect "\
68 "for communication. In this mode you cannot connect to normal RTSP servers." )
69
70 #define USER_TEXT N_("RTSP user name")
71 #define USER_LONGTEXT N_("Allows you to modify the user name that will " \
72 "be used for authenticating the connection.")
73 #define PASS_TEXT N_("RTSP password")
74 #define PASS_LONGTEXT N_("Allows you to modify the password that will be " \
75 "used for the connection.")
76
77 vlc_module_begin();
78 set_description( _("RTP/RTSP/SDP demuxer (using Live555)" ) );
79 set_capability( "demux2", 50 );
80 set_shortname( "RTP/RTSP");
81 set_callbacks( Open, Close );
82 add_shortcut( "live" );
83 add_shortcut( "livedotcom" );
84 set_category( CAT_INPUT );
85 set_subcategory( SUBCAT_INPUT_DEMUX );
86
87 add_submodule();
88 set_description( _("RTSP/RTP access and demux") );
89 add_shortcut( "rtsp" );
90 add_shortcut( "sdp" );
91 set_capability( "access_demux", 0 );
92 set_callbacks( Open, Close );
93 add_bool( "rtsp-tcp", 0, NULL,
94 N_("Use RTP over RTSP (TCP)"),
95 N_("Use RTP over RTSP (TCP)"), VLC_TRUE );
96 add_integer( "rtp-client-port", -1, NULL,
97 N_("Client port"),
98 N_("Port to use for the RTP source of the session"), VLC_TRUE );
99 add_bool( "rtsp-http", 0, NULL,
100 N_("Tunnel RTSP and RTP over HTTP"),
101 N_("Tunnel RTSP and RTP over HTTP"), VLC_TRUE );
102 add_integer( "rtsp-http-port", 80, NULL,
103 N_("HTTP tunnel port"),
104 N_("Port to use for tunneling the RTSP/RTP over HTTP."),
105 VLC_TRUE );
106 add_integer("rtsp-caching", 4 * DEFAULT_PTS_DELAY / 1000, NULL,
107 CACHING_TEXT, CACHING_LONGTEXT, VLC_TRUE );
108 add_bool( "rtsp-kasenna", VLC_FALSE, NULL, KASENNA_TEXT,
109 KASENNA_LONGTEXT, VLC_TRUE );
110 add_string( "rtsp-user", NULL, NULL, USER_TEXT,
111 USER_LONGTEXT, VLC_TRUE );
112 add_string( "rtsp-pwd", NULL, NULL, PASS_TEXT,
113 PASS_LONGTEXT, VLC_TRUE );
114 vlc_module_end();
115
116
117 /*****************************************************************************
118 * Local prototypes
119 *****************************************************************************/
120
121 typedef struct
122 {
123 demux_t *p_demux;
124 MediaSubsession *sub;
125
126 es_format_t fmt;
127 es_out_id_t *p_es;
128
129 vlc_bool_t b_muxed;
130 vlc_bool_t b_quicktime;
131 vlc_bool_t b_asf;
132 stream_t *p_out_muxed; /* for muxed stream */
133
134 uint8_t *p_buffer;
135 unsigned int i_buffer;
136
137 vlc_bool_t b_rtcp_sync;
138 char waiting;
139 int64_t i_pts;
140 u_int32_t i_start_seq;
141
142 } live_track_t;
143
144 struct timeout_thread_t
145 {
146 VLC_COMMON_MEMBERS
147
148 int64_t i_remain;
149 demux_sys_t *p_sys;
150 };
151
152 struct demux_sys_t
153 {
154 char *p_sdp; /* XXX mallocated */
155 char *psz_path; /* URL-encoded path */
156
157 MediaSession *ms;
158 TaskScheduler *scheduler;
159 UsageEnvironment *env ;
160 RTSPClient *rtsp;
161
162 /* */
163 int i_track;
164 live_track_t **track; /* XXX mallocated */
165
166 /* Weird formats */
167 asf_header_t asfh;
168 stream_t *p_out_asf;
169 vlc_bool_t b_real;
170
171 /* */
172 int64_t i_pcr; /* The clock */
173 int64_t i_npt; /* The current time in the stream */
174 int64_t i_npt_length;
175 int64_t i_npt_start;
176
177 /* timeout thread information */
178 int i_timeout; /* session timeout value in seconds */
179 vlc_bool_t b_timeout_call;/* mark to send an RTSP call to prevent server timeout */
180 timeout_thread_t *p_timeout; /* the actual thread that makes sure we don't timeout */
181
182 /* */
183 vlc_bool_t b_multicast; /* true if one of the tracks is multicasted */
184 vlc_bool_t b_no_data; /* true if we never receive any data */
185 int i_no_data_ti; /* consecutive number of TaskInterrupt */
186
187 char event;
188 };
189
190 static int Demux ( demux_t * );
191 static int Control( demux_t *, int, va_list );
192
193 static int Connect ( demux_t * );
194 static int SessionsSetup( demux_t * );
195 static int Play ( demux_t *);
196 static int ParseASF ( demux_t * );
197 static int RollOverTcp ( demux_t * );
198
199 static void StreamRead ( void *, unsigned int, unsigned int,
200 struct timeval, unsigned int );
201 static void StreamClose ( void * );
202 static void TaskInterrupt( void * );
203
204 static void TimeoutPrevention( timeout_thread_t * );
205
206 static unsigned char* parseH264ConfigStr( char const* configStr,
207 unsigned int& configSize );
208
209 /*****************************************************************************
210 * DemuxOpen:
211 *****************************************************************************/
212 static int Open ( vlc_object_t *p_this )
213 {
214 demux_t *p_demux = (demux_t*)p_this;
215 demux_sys_t *p_sys = NULL;
216
217 MediaSubsessionIterator *iter = NULL;
218 MediaSubsession *sub = NULL;
219 int i, i_return;
220
221 if( p_demux->s )
222 {
223 /* See if it looks like a SDP
224 v, o, s fields are mandatory and in this order */
225 uint8_t *p_peek;
226 if( stream_Peek( p_demux->s, &p_peek, 7 ) < 7 ) return VLC_EGENERIC;
227
228 if( memcmp( (char*)p_peek, "v=0\r\n", 5 ) &&
229 memcmp( (char*)p_peek, "v=0\n", 4 ) &&
230 ( p_peek[0] < 'a' || p_peek[0] > 'z' || p_peek[1] != '=' ) )
231 {
232 return VLC_EGENERIC;
233 }
234 }
235 else
236 {
237 var_Create( p_demux, "rtsp-caching", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
238 }
239
240 p_demux->pf_demux = Demux;
241 p_demux->pf_control= Control;
242 p_demux->p_sys = p_sys = (demux_sys_t*)malloc( sizeof( demux_sys_t ) );
243 if( !p_sys ) return VLC_ENOMEM;
244
245 p_sys->p_sdp = NULL;
246 p_sys->scheduler = NULL;
247 p_sys->env = NULL;
248 p_sys->ms = NULL;
249 p_sys->rtsp = NULL;
250 p_sys->i_track = 0;
251 p_sys->track = NULL;
252 p_sys->i_pcr = 0;
253 p_sys->i_npt = 0;
254 p_sys->i_npt_start = 0;
255 p_sys->i_npt_length = 0;
256 p_sys->p_out_asf = NULL;
257 p_sys->b_no_data = VLC_TRUE;
258 p_sys->i_no_data_ti = 0;
259 p_sys->p_timeout = NULL;
260 p_sys->i_timeout = 0;
261 p_sys->b_timeout_call = VLC_FALSE;
262 p_sys->b_multicast = VLC_FALSE;
263 p_sys->b_real = VLC_FALSE;
264 p_sys->psz_path = strdup( p_demux->psz_path );
265
266 if( ( p_sys->scheduler = BasicTaskScheduler::createNew() ) == NULL )
267 {
268 msg_Err( p_demux, "BasicTaskScheduler::createNew failed" );
269 goto error;
270 }
271 if( !( p_sys->env = BasicUsageEnvironment::createNew(*p_sys->scheduler) ) )
272 {
273 msg_Err( p_demux, "BasicUsageEnvironment::createNew failed" );
274 goto error;
275 }
276
277 if( strcasecmp( p_demux->psz_access, "sdp" ) )
278 {
279 char *p = p_sys->psz_path;
280 while( (p = strchr( p, ' ' )) != NULL ) *p = '+';
281 }
282
283 if( p_demux->s != NULL )
284 {
285 /* Gather the complete sdp file */
286 int i_sdp = 0;
287 int i_sdp_max = 1000;
288 uint8_t *p_sdp = (uint8_t*) malloc( i_sdp_max );
289
290 for( ;; )
291 {
292 int i_read = stream_Read( p_demux->s, &p_sdp[i_sdp],
293 i_sdp_max - i_sdp - 1 );
294
295 if( i_read < 0 )
296 {
297 msg_Err( p_demux, "failed to read SDP" );
298 free( p_sys );
299 return VLC_EGENERIC;
300 }
301
302 i_sdp += i_read;
303
304 if( i_read < i_sdp_max - i_sdp - 1 )
305 {
306 p_sdp[i_sdp] = '\0';
307 break;
308 }
309
310 i_sdp_max += 1000;
311 p_sdp = (uint8_t*)realloc( p_sdp, i_sdp_max );
312 }
313 p_sys->p_sdp = (char*)p_sdp;
314 }
315 else if( p_demux->s == NULL && !strcasecmp( p_demux->psz_access, "sdp" ) )
316 {
317 /* sdp:// link from SAP */
318 p_sys->p_sdp = strdup( p_sys->psz_path );
319 }
320 else if( ( i_return = Connect( p_demux ) ) != VLC_SUCCESS )
321 {
322 msg_Err( p_demux, "Failed to connect with rtsp://%s", p_sys->psz_path );
323 goto error;
324 }
325
326 if( p_sys->p_sdp == NULL )
327 {
328 msg_Err( p_demux, "Failed to retrieve the RTSP Session Description" );
329 goto error;
330 }
331
332 if( ( i_return = SessionsSetup( p_demux ) ) != VLC_SUCCESS )
333 {
334 msg_Err( p_demux, "Nothing to play for rtsp://%s", p_sys->psz_path );
335 goto error;
336 }
337
338 if( p_sys->b_real ) goto error;
339
340 if( ( i_return = Play( p_demux ) ) != VLC_SUCCESS )
341 goto error;
342
343 if( p_sys->p_out_asf && ParseASF( p_demux ) )
344 {
345 msg_Err( p_demux, "cannot find a usable asf header" );
346 /* TODO Clean tracks */
347 goto error;
348 }
349
350 if( p_sys->i_track <= 0 )
351 goto error;
352
353 return VLC_SUCCESS;
354
355 error:
356 for( i = 0; i < p_sys->i_track; i++ )
357 {
358 live_track_t *tk = p_sys->track[i];
359
360 if( tk->b_muxed ) stream_DemuxDelete( tk->p_out_muxed );
361 free( tk->p_buffer );
362 free( tk );
363 }
364
365 if( p_sys->i_track ) free( p_sys->track );
366 if( p_sys->p_out_asf ) stream_DemuxDelete( p_sys->p_out_asf );
367 if( p_sys->rtsp && p_sys->ms ) p_sys->rtsp->teardownMediaSession( *p_sys->ms );
368 if( p_sys->ms ) Medium::close( p_sys->ms );
369 if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp );
370 if( p_sys->env ) p_sys->env->reclaim();
371 if( p_sys->p_timeout )
372 {
373 p_sys->p_timeout->b_die = VLC_TRUE;
374 vlc_thread_join( p_sys->p_timeout );
375 vlc_object_detach( p_sys->p_timeout );
376 vlc_object_destroy( p_sys->p_timeout );
377 }
378 if( p_sys->scheduler ) delete p_sys->scheduler;
379 if( p_sys->p_sdp ) free( p_sys->p_sdp );
380 if( p_sys->psz_path ) free( p_sys->psz_path );
381
382 free( p_sys );
383 return VLC_EGENERIC;
384 }
385
386 /*****************************************************************************
387 * DemuxClose:
388 *****************************************************************************/
389 static void Close( vlc_object_t *p_this )
390 {
391 demux_t *p_demux = (demux_t*)p_this;
392 demux_sys_t *p_sys = p_demux->p_sys;
393 int i;
394
395 for( i = 0; i < p_sys->i_track; i++ )
396 {
397 live_track_t *tk = p_sys->track[i];
398
399 if( tk->b_muxed ) stream_DemuxDelete( tk->p_out_muxed );
400 free( tk->p_buffer );
401 free( tk );
402 }
403
404 if( p_sys->i_track ) free( p_sys->track );
405 if( p_sys->p_out_asf ) stream_DemuxDelete( p_sys->p_out_asf );
406 if( p_sys->rtsp && p_sys->ms ) p_sys->rtsp->teardownMediaSession( *p_sys->ms );
407 if( p_sys->ms ) Medium::close( p_sys->ms );
408 if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp );
409 if( p_sys->env ) p_sys->env->reclaim();
410 if( p_sys->p_timeout )
411 {
412 p_sys->p_timeout->b_die = VLC_TRUE;
413 vlc_thread_join( p_sys->p_timeout );
414 vlc_object_detach( p_sys->p_timeout );
415 vlc_object_destroy( p_sys->p_timeout );
416 }
417 if( p_sys->scheduler ) delete p_sys->scheduler;
418 if( p_sys->p_sdp ) free( p_sys->p_sdp );
419 if( p_sys->psz_path ) free( p_sys->psz_path );
420
421 free( p_sys );
422 }
423
424 /*****************************************************************************
425 * Connect: connects to the RTSP server to setup the session DESCRIBE
426 *****************************************************************************/
427 static int Connect( demux_t *p_demux )
428 {
429 demux_sys_t *p_sys = p_demux->p_sys;
430 Authenticator authenticator;
431
432 char *psz_user = NULL;
433 char *psz_pwd = NULL;
434 char *psz_url = NULL;
435 char *psz_options = NULL;
436 char *p_sdp = NULL;
437 int i_http_port = 0;
438 int i_ret = VLC_SUCCESS;
439
440 createnew:
441 if( var_CreateGetBool( p_demux, "rtsp-http" ) )
442 i_http_port = var_CreateGetInteger( p_demux, "rtsp-http-port" );
443
444 if( ( p_sys->rtsp = RTSPClient::createNew(*p_sys->env, 1 /*verbose*/,
445 "VLC media player", i_http_port ) ) == NULL )
446 {
447 msg_Err( p_demux, "RTSPClient::createNew failed (%s)",
448 p_sys->env->getResultMsg() );
449 return VLC_EGENERIC;
450 }
451 psz_url = (char*)malloc( strlen( p_sys->psz_path ) + 8 );
452 sprintf( psz_url, "rtsp://%s", p_sys->psz_path );
453
454 psz_options = p_sys->rtsp->sendOptionsCmd( psz_url );
455 if( psz_options ) delete [] psz_options;
456
457 psz_user = var_CreateGetString( p_demux, "rtsp-user" );
458 psz_pwd = var_CreateGetString( p_demux, "rtsp-pwd" );
459
460 describe:
461 authenticator.setUsernameAndPassword( (const char*)psz_user, (const char*)psz_pwd );
462 p_sdp = p_sys->rtsp->describeURL( psz_url,
463 &authenticator, var_CreateGetBool( p_demux, "rtsp-kasenna" ) );
464
465 if( psz_user ) free( psz_user );
466 if( psz_pwd ) free( psz_pwd );
467
468 if( p_sdp == NULL )
469 {
470 /* failure occurred */
471 int i_code = 0;
472 const char *psz_error = p_sys->env->getResultMsg();
473
474 msg_Dbg( p_demux, "DESCRIBE failed with %d: %s", i_code, psz_error );
475 sscanf( psz_error, "%*sRTSP/%*s%3u", &i_code );
476
477 if( i_code == 401 )
478 {
479 char *psz_login = NULL; char *psz_password = NULL;
480 msg_Dbg( p_demux, "authentication failed" );
481
482 i_ret = intf_UserLoginPassword( p_demux, _("RTSP authentication"),
483 _("Please enter a valid login name and a password."),
484 &psz_login, &psz_password );
485 if( i_ret == DIALOG_OK_YES )
486 {
487 msg_Dbg( p_demux, "retrying with user=%s, pwd=%s",
488 psz_login, psz_password );
489 if( psz_login ) psz_user = psz_login;
490 if( psz_password ) psz_pwd = psz_password;
491 goto describe;
492 }
493 if( psz_login ) free( psz_login );
494 if( psz_password ) free( psz_password );
495 }
496 else if( !var_CreateGetBool( p_demux, "rtsp-http" ) )
497 {
498 /* Perhaps a firewall is being annoying. Try HTTP tunneling mode */
499 vlc_value_t val;
500 val.b_bool = VLC_TRUE;
501 msg_Dbg( p_demux, "we will now try HTTP tunneling mode" );
502 var_Set( p_demux, "rtsp-http", val );
503 if( psz_url ) free( psz_url );
504 if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp );
505 goto createnew;
506 }
507 i_ret = VLC_EGENERIC;
508 }
509 if( psz_url ) free( psz_url );
510
511 /* malloc-ated copy */
512 if( p_sys->p_sdp ) free( p_sys->p_sdp );
513 if( p_sdp ) p_sys->p_sdp = strdup( (char*)p_sdp );
514 delete[] p_sdp;
515
516 return i_ret;
517 }
518
519 /*****************************************************************************
520 * Connect: prepares the subsessions and does the SETUP
521 *****************************************************************************/
522 static int SessionsSetup( demux_t *p_demux )
523 {
524 demux_sys_t *p_sys = p_demux->p_sys;
525 MediaSubsessionIterator *iter = NULL;
526 MediaSubsession *sub = NULL;
527
528 vlc_bool_t b_rtsp_tcp = VLC_FALSE;
529 int i_client_port;
530 int i_return = VLC_SUCCESS;
531 unsigned int i_buffer = 0;
532 unsigned const thresh = 200000; /* RTP reorder threshold .2 second (default .1) */
533
534 b_rtsp_tcp = var_CreateGetBool( p_demux, "rtsp-tcp" );
535 i_client_port = var_CreateGetInteger( p_demux, "rtp-client-port" );
536
537 /* Create the session from the SDP */
538 if( !( p_sys->ms = MediaSession::createNew( *p_sys->env, p_sys->p_sdp ) ) )
539 {
540 msg_Err( p_demux, "Could not create the RTSP Session: %s",
541 p_sys->env->getResultMsg() );
542 return VLC_EGENERIC;
543 }
544
545 /* Initialise each media subsession */
546 iter = new MediaSubsessionIterator( *p_sys->ms );
547 while( ( sub = iter->next() ) != NULL )
548 {
549 Boolean bInit;
550 live_track_t *tk;
551
552 /* Value taken from mplayer */
553 if( !strcmp( sub->mediumName(), "audio" ) )
554 i_buffer = 100000;
555 else if( !strcmp( sub->mediumName(), "video" ) )
556 i_buffer = 2000000;
557 else continue;
558
559 if( i_client_port != -1 )
560 {
561 sub->setClientPortNum( i_client_port );
562 i_client_port += 2;
563 }
564
565 if( strcasestr( sub->codecName(), "REAL" ) )
566 {
567 msg_Info( p_demux, "real codec detected, using real-RTSP instead" );
568 p_sys->b_real = VLC_TRUE; /* This is a problem, we'll handle it later */
569 continue;
570 }
571
572 if( !strcmp( sub->codecName(), "X-ASF-PF" ) )
573 bInit = sub->initiate( 4 ); /* Constant ? */
574 else
575 bInit = sub->initiate();
576
577 if( !bInit )
578 {
579 msg_Warn( p_demux, "RTP subsession '%s/%s' failed (%s)",
580 sub->mediumName(), sub->codecName(),
581 p_sys->env->getResultMsg() );
582 }
583 else
584 {
585 if( sub->rtpSource() != NULL )
586 {
587 int fd = sub->rtpSource()->RTPgs()->socketNum();
588
589 /* Increase the buffer size */
590 if( i_buffer > 0 )
591 increaseReceiveBufferTo( *p_sys->env, fd, i_buffer );
592
593 /* Increase the RTP reorder timebuffer just a bit */
594 sub->rtpSource()->setPacketReorderingThresholdTime(thresh);
595 }
596 msg_Dbg( p_demux, "RTP subsession '%s/%s'", sub->mediumName(),
597 sub->codecName() );
598
599 /* Issue the SETUP */
600 if( p_sys->rtsp )
601 {
602 if( !( p_sys->rtsp->setupMediaSubsession( *sub, False,
603 b_rtsp_tcp ? True : False ) ) )
604 {
605 msg_Err( p_demux, "SETUP of'%s/%s' failed %s", sub->mediumName(),
606 sub->codecName(), p_sys->env->getResultMsg() );
607 continue;
608 }
609 }
610
611 /* Check if we will receive data from this subsession for this track */
612 if( sub->readSource() == NULL ) continue;
613 if( !p_sys->b_multicast )
614 {
615 /* Check, because we need diff. rollover behaviour for multicast */
616 p_sys->b_multicast = IsMulticastAddress( sub->connectionEndpointAddress() );
617 }
618
619 tk = (live_track_t*)malloc( sizeof( live_track_t ) );
620 tk->p_demux = p_demux;
621 tk->sub = sub;
622 tk->p_es = NULL;
623 tk->b_quicktime = VLC_FALSE;
624 tk->b_asf = VLC_FALSE;
625 tk->b_muxed = VLC_FALSE;
626 tk->p_out_muxed = NULL;
627 tk->waiting = 0;
628 tk->b_rtcp_sync = VLC_FALSE;
629 tk->i_pts = 0;
630 tk->i_buffer = 65536;
631 tk->p_buffer = (uint8_t *)malloc( 65536 );
632
633 /* Value taken from mplayer */
634 if( !strcmp( sub->mediumName(), "audio" ) )
635 {
636 es_format_Init( &tk->fmt, AUDIO_ES, VLC_FOURCC('u','n','d','f') );
637 tk->fmt.audio.i_channels = sub->numChannels();
638 tk->fmt.audio.i_rate = sub->rtpTimestampFrequency();
639
640 if( !strcmp( sub->codecName(), "MPA" ) ||
641 !strcmp( sub->codecName(), "MPA-ROBUST" ) ||
642 !strcmp( sub->codecName(), "X-MP3-DRAFT-00" ) )
643 {
644 tk->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'a' );
645 tk->fmt.audio.i_rate = 0;
646 }
647 else if( !strcmp( sub->codecName(), "AC3" ) )
648 {
649 tk->fmt.i_codec = VLC_FOURCC( 'a', '5', '2', ' ' );
650 tk->fmt.audio.i_rate = 0;
651 }
652 else if( !strcmp( sub->codecName(), "L16" ) )
653 {
654 tk->fmt.i_codec = VLC_FOURCC( 't', 'w', 'o', 's' );
655 tk->fmt.audio.i_bitspersample = 16;
656 }
657 else if( !strcmp( sub->codecName(), "L8" ) )
658 {
659 tk->fmt.i_codec = VLC_FOURCC( 'a', 'r', 'a', 'w' );
660 tk->fmt.audio.i_bitspersample = 8;
661 }
662 else if( !strcmp( sub->codecName(), "PCMU" ) )
663 {
664 tk->fmt.i_codec = VLC_FOURCC( 'u', 'l', 'a', 'w' );
665 }
666 else if( !strcmp( sub->codecName(), "PCMA" ) )
667 {
668 tk->fmt.i_codec = VLC_FOURCC( 'a', 'l', 'a', 'w' );
669 }
670 else if( !strncmp( sub->codecName(), "G726", 4 ) )
671 {
672 tk->fmt.i_codec = VLC_FOURCC( 'g', '7', '2', '6' );
673 tk->fmt.audio.i_rate = 8000;
674 tk->fmt.audio.i_channels = 1;
675 if( !strcmp( sub->codecName()+5, "40" ) )
676 tk->fmt.i_bitrate = 40000;
677 else if( !strcmp( sub->codecName()+5, "32" ) )
678 tk->fmt.i_bitrate = 32000;
679 else if( !strcmp( sub->codecName()+5, "24" ) )
680 tk->fmt.i_bitrate = 24000;
681 else if( !strcmp( sub->codecName()+5, "16" ) )
682 tk->fmt.i_bitrate = 16000;
683 }
684 else if( !strcmp( sub->codecName(), "AMR" ) )
685 {
686 tk->fmt.i_codec = VLC_FOURCC( 's', 'a', 'm', 'r' );
687 }
688 else if( !strcmp( sub->codecName(), "AMR-WB" ) )
689 {
690 tk->fmt.i_codec = VLC_FOURCC( 's', 'a', 'w', 'b' );
691 }
692 else if( !strcmp( sub->codecName(), "MP4A-LATM" ) )
693 {
694 unsigned int i_extra;
695 uint8_t *p_extra;
696
697 tk->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'a' );
698
699 if( ( p_extra = parseStreamMuxConfigStr( sub->fmtp_config(),
700 i_extra ) ) )
701 {
702 tk->fmt.i_extra = i_extra;
703 tk->fmt.p_extra = malloc( i_extra );
704 memcpy( tk->fmt.p_extra, p_extra, i_extra );
705 delete[] p_extra;
706 }
707 /* Because the "faad" decoder does not handle the LATM data length field
708 at the start of each returned LATM frame, tell the RTP source to omit it. */
709 ((MPEG4LATMAudioRTPSource*)sub->rtpSource())->omitLATMDataLengthField();
710 }
711 else if( !strcmp( sub->codecName(), "MPEG4-GENERIC" ) )
712 {
713 unsigned int i_extra;
714 uint8_t *p_extra;
715
716 tk->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'a' );
717
718 if( ( p_extra = parseGeneralConfigStr( sub->fmtp_config(),
719 i_extra ) ) )
720 {
721 tk->fmt.i_extra = i_extra;
722 tk->fmt.p_extra = malloc( i_extra );
723 memcpy( tk->fmt.p_extra, p_extra, i_extra );
724 delete[] p_extra;
725 }
726 }
727 else if( !strcmp( sub->codecName(), "X-ASF-PF" ) )
728 {
729 tk->b_asf = VLC_TRUE;
730 if( p_sys->p_out_asf == NULL )
731 p_sys->p_out_asf = stream_DemuxNew( p_demux, "asf",
732 p_demux->out );
733 }
734 else if( !strcmp( sub->codecName(), "X-QT" ) ||
735 !strcmp( sub->codecName(), "X-QUICKTIME" ) )
736 {
737 tk->b_quicktime = VLC_TRUE;
738 }
739 }
740 else if( !strcmp( sub->mediumName(), "video" ) )
741 {
742 es_format_Init( &tk->fmt, VIDEO_ES, VLC_FOURCC('u','n','d','f') );
743 if( !strcmp( sub->codecName(), "MPV" ) )
744 {
745 tk->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'v' );
746 }
747 else if( !strcmp( sub->codecName(), "H263" ) ||
748 !strcmp( sub->codecName(), "H263-1998" ) ||
749 !strcmp( sub->codecName(), "H263-2000" ) )
750 {
751 tk->fmt.i_codec = VLC_FOURCC( 'H', '2', '6', '3' );
752 }
753 else if( !strcmp( sub->codecName(), "H261" ) )
754 {
755 tk->fmt.i_codec = VLC_FOURCC( 'H', '2', '6', '1' );
756 }
757 else if( !strcmp( sub->codecName(), "H264" ) )
758 {
759 unsigned int i_extra = 0;
760 uint8_t *p_extra = NULL;
761
762 tk->fmt.i_codec = VLC_FOURCC( 'h', '2', '6', '4' );
763 tk->fmt.b_packetized = VLC_FALSE;
764
765 if((p_extra=parseH264ConfigStr( sub->fmtp_spropparametersets(),
766 i_extra ) ) )
767 {
768 tk->fmt.i_extra = i_extra;
769 tk->fmt.p_extra = malloc( i_extra );
770 memcpy( tk->fmt.p_extra, p_extra, i_extra );
771
772 delete[] p_extra;
773 }
774 }
775 else if( !strcmp( sub->codecName(), "JPEG" ) )
776 {
777 tk->fmt.i_codec = VLC_FOURCC( 'M', 'J', 'P', 'G' );
778 }
779 else if( !strcmp( sub->codecName(), "MP4V-ES" ) )
780 {
781 unsigned int i_extra;
782 uint8_t *p_extra;
783
784 tk->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'v' );
785
786 if( ( p_extra = parseGeneralConfigStr( sub->fmtp_config(),
787 i_extra ) ) )
788 {
789 tk->fmt.i_extra = i_extra;
790 tk->fmt.p_extra = malloc( i_extra );
791 memcpy( tk->fmt.p_extra, p_extra, i_extra );
792 delete[] p_extra;
793 }
794 }
795 else if( !strcmp( sub->codecName(), "X-QT" ) ||
796 !strcmp( sub->codecName(), "X-QUICKTIME" ) ||
797 !strcmp( sub->codecName(), "X-QDM" ) ||
798 !strcmp( sub->codecName(), "X-SV3V-ES" ) ||
799 !strcmp( sub->codecName(), "X-SORENSONVIDEO" ) )
800 {
801 tk->b_quicktime = VLC_TRUE;
802 }
803 else if( !strcmp( sub->codecName(), "MP2T" ) )
804 {
805 tk->b_muxed = VLC_TRUE;
806 tk->p_out_muxed = stream_DemuxNew( p_demux, "ts", p_demux->out );
807 }
808 else if( !strcmp( sub->codecName(), "MP2P" ) ||
809 !strcmp( sub->codecName(), "MP1S" ) )
810 {
811 tk->b_muxed = VLC_TRUE;
812 tk->p_out_muxed = stream_DemuxNew( p_demux, "ps",
813 p_demux->out );
814 }
815 else if( !strcmp( sub->codecName(), "X-ASF-PF" ) )
816 {
817 tk->b_asf = VLC_TRUE;
818 if( p_sys->p_out_asf == NULL )
819 p_sys->p_out_asf = stream_DemuxNew( p_demux, "asf",
820 p_demux->out );;
821 }
822 }
823
824 if( !tk->b_quicktime && !tk->b_muxed && !tk->b_asf )
825 {
826 tk->p_es = es_out_Add( p_demux->out, &tk->fmt );
827 }
828
829 if( sub->rtcpInstance() != NULL )
830 {
831 sub->rtcpInstance()->setByeHandler( StreamClose, tk );
832 }
833
834 if( tk->p_es || tk->b_quicktime || tk->b_muxed || tk->b_asf )
835 {
836 /* Append */
837 p_sys->track = (live_track_t**)realloc( p_sys->track, sizeof( live_track_t ) * ( p_sys->i_track + 1 ) );
838 p_sys->track[p_sys->i_track++] = tk;
839 }
840 else
841 {
842 /* BUG ??? */
843 msg_Err( p_demux, "unusable RTSP track. this should not happen" );
844 free( tk );
845 }
846 }
847 }
848 delete iter;
849 if( p_sys->i_track <= 0 ) i_return = VLC_EGENERIC;
850
851 #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 9999999999)
852 /* Retrieve the starttime if possible */
853 p_sys->i_npt_start = (int64_t)( p_sys->ms->playStartTime() * (double)1000000.0 );
854 #else
855 p_sys->i_npt_start = (int64_t) -1;
856 #endif
857 if( p_sys->i_npt_start < 0 )
858 p_sys->i_npt_start = -1;
859
860 #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 9999999999)
861 /* Retrieve the duration if possible */
862 p_sys->i_npt_length = (int64_t)( p_sys->ms->playEndTime() * (double)1000000.0 );
863 #else
864 p_sys->i_npt_length = (int64_t) -1;
865 #endif
866 if( p_sys->i_npt_length < 0 )
867 p_sys->i_npt_length = -1;
868
869 msg_Dbg( p_demux, "setup start: %lld stop:%lld", p_sys->i_npt_start, p_sys->i_npt_length );
870 return i_return;
871 }
872
873 /*****************************************************************************
874 * Play: starts the actual playback of the stream
875 *****************************************************************************/
876 static int Play( demux_t *p_demux )
877 {
878 demux_sys_t *p_sys = p_demux->p_sys;
879 int i;
880
881 if( p_sys->rtsp )
882 {
883 /* The PLAY */
884 if( !p_sys->rtsp->playMediaSession( *p_sys->ms, p_sys->i_npt_start, -1, 1 ) )
885 {
886 msg_Err( p_demux, "RTSP PLAY failed %s", p_sys->env->getResultMsg() );
887 return VLC_EGENERIC;
888 }
889
890 /* Retrieve the timeout value and set up a timeout prevention thread */
891 p_sys->i_timeout = p_sys->rtsp->sessionTimeoutParameter();
892 if( p_sys->i_timeout > 0 && !p_sys->p_timeout )
893 {
894 msg_Dbg( p_demux, "We have a timeout of %d seconds", p_sys->i_timeout );
895 p_sys->p_timeout = (timeout_thread_t *)vlc_object_create( p_demux, sizeof(timeout_thread_t) );
896 p_sys->p_timeout->p_sys = p_demux->p_sys; /* lol, object recursion :D */
897 if( vlc_thread_create( p_sys->p_timeout, "liveMedia-timeout", TimeoutPrevention,
898 VLC_THREAD_PRIORITY_LOW, VLC_TRUE ) )
899 {
900 msg_Err( p_demux, "cannot spawn liveMedia timeout thread" );
901 vlc_object_destroy( p_sys->p_timeout );
902 }
903 msg_Dbg( p_demux, "spawned timeout thread" );
904 vlc_object_attach( p_sys->p_timeout, p_demux );
905 }
906 }
907 p_sys->i_pcr = 0;
908
909 #if 0
910 /* TODO */
911 for( i = 0; i < p_sys->i_track; i++ )
912 {
913 //p_sys->track[i]->i_pts = 0;
914 p_sys->track[i]->i_start_seq = (int)p_sys->track[i]->sub->rtpInfo.seqNum;
915 msg_Dbg( p_demux, "set startseq: %u", p_sys->track[i]->i_start_seq );
916 }
917 #endif
918
919 #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 9999999999)
920 /* Retrieve the starttime if possible */
921 p_sys->i_npt_start = (int64_t)( p_sys->ms->playStartTime() * (double)1000000.0 );
922 #else
923 p_sys->i_npt_start = -1;
924 #endif
925 if( p_sys->i_npt_start < 0 )
926 {
927 p_sys->i_npt_start = -1;
928 p_sys->i_npt = 0;
929 }
930 else
931 p_sys->i_npt = p_sys->i_npt_start;
932
933 #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 9999999999)
934 /* Retrieve the duration if possible */
935 p_sys->i_npt_length = (int64_t)( p_sys->ms->playEndTime() * (double)1000000.0 );
936 #else
937 p_sys->i_npt_length = -1;
938 #endif
939 if( p_sys->i_npt_length < 0 )
940 p_sys->i_npt_length = -1;
941
942 msg_Dbg( p_demux, "play start: %lld stop:%lld", p_sys->i_npt_start, p_sys->i_npt_length );
943 return VLC_SUCCESS;
944 }
945
946
947 /*****************************************************************************
948 * Demux:
949 *****************************************************************************/
950 static int Demux( demux_t *p_demux )
951 {
952 demux_sys_t *p_sys = p_demux->p_sys;
953 TaskToken task;
954
955 vlc_bool_t b_send_pcr = VLC_TRUE;
956 int64_t i_pcr = 0;
957 int i;
958
959 /* Check if we need to send the server a Keep-A-Live signal */
960 if( p_sys->b_timeout_call && p_sys->rtsp && p_sys->ms )
961 {
962 char *psz_bye = NULL;
963 p_sys->rtsp->getMediaSessionParameter( *p_sys->ms, NULL, psz_bye );
964 p_sys->b_timeout_call = VLC_FALSE;
965 }
966
967
968 for( i = 0; i < p_sys->i_track; i++ )
969 {
970 live_track_t *tk = p_sys->track[i];
971
972 if( tk->b_asf || tk->b_muxed )
973 b_send_pcr = VLC_FALSE;
974 #if 0
975 if( i_pcr == 0 )
976 {
977 i_pcr = tk->i_pts;
978 }
979 else if( tk->i_pts != 0 && i_pcr > tk->i_pts )
980 {
981 i_pcr = tk->i_pts ;
982 }
983 #endif
984 }
985 if( p_sys->i_pcr > 0 )
986 {
987 if( b_send_pcr )
988 es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_sys->i_pcr );
989 }
990
991 /* First warn we want to read data */
992 p_sys->event = 0;
993 for( i = 0; i < p_sys->i_track; i++ )
994 {
995 live_track_t *tk = p_sys->track[i];
996
997 if( tk->waiting == 0 )
998 {
999 tk->waiting = 1;
1000 tk->sub->readSource()->getNextFrame( tk->p_buffer, tk->i_buffer,
1001 StreamRead, tk, StreamClose, tk );
1002 }
1003 }
1004 /* Create a task that will be called if we wait more than 300ms */
1005 task = p_sys->scheduler->scheduleDelayedTask( 300000, TaskInterrupt, p_demux );
1006
1007 /* Do the read */
1008 p_sys->scheduler->doEventLoop( &p_sys->event );
1009
1010 /* remove the task */
1011 p_sys->scheduler->unscheduleDelayedTask( task );
1012
1013 /* Check for gap in pts value */
1014 for( i = 0; i < p_sys->i_track; i++ )
1015 {
1016 live_track_t *tk = p_sys->track[i];
1017
1018 if( !tk->b_muxed && !tk->b_rtcp_sync &&
1019 tk->sub->rtpSource() && tk->sub->rtpSource()->hasBeenSynchronizedUsingRTCP() )
1020 {
1021 msg_Dbg( p_demux, "tk->rtpSource->hasBeenSynchronizedUsingRTCP()" );
1022
1023 es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
1024 tk->b_rtcp_sync = VLC_TRUE;
1025 #if 0
1026 /* reset PCR */
1027 tk->i_pts = 0;
1028 p_sys->i_pcr = 0;
1029 i_pcr = 0;
1030 #endif
1031 }
1032 }
1033
1034 if( p_sys->b_multicast && p_sys->b_no_data && p_sys->i_no_data_ti > 120 )
1035 {
1036 /* FIXME Make this configurable
1037 msg_Err( p_demux, "no multicast data received in 36s, aborting" );
1038 return 0;
1039 */
1040 }
1041 else if( !p_sys->b_multicast && p_sys->b_no_data && p_sys->i_no_data_ti > 34 )
1042 {
1043 vlc_bool_t b_rtsp_tcp = var_GetBool( p_demux, "rtsp-tcp" );
1044
1045 if( !b_rtsp_tcp && p_sys->rtsp && p_sys->ms )
1046 {
1047 msg_Warn( p_demux, "no data received in 10s. Switching to TCP" );
1048 if( RollOverTcp( p_demux ) )
1049 {
1050 msg_Err( p_demux, "TCP rollover failed, aborting" );
1051 return 0;
1052 }
1053 }
1054 else if( p_sys->i_no_data_ti > 34 )
1055 {
1056 msg_Err( p_demux, "no data received in 10s, aborting" );
1057 return 0;
1058 }
1059 }
1060 else if( !p_sys->b_multicast && p_sys->b_no_data && p_sys->i_no_data_ti > 34 )
1061 {
1062 /* EOF ? */
1063 msg_Warn( p_demux, "no data received in 10s, eof ?" );
1064 return 0;
1065 }
1066 return p_demux->b_error ? 0 : 1;
1067 }
1068
1069 /*****************************************************************************
1070 * Control:
1071 *****************************************************************************/
1072 static int Control( demux_t *p_demux, int i_query, va_list args )
1073 {
1074 demux_sys_t *p_sys = p_demux->p_sys;
1075 int64_t *pi64;
1076 double *pf, f;
1077 vlc_bool_t *pb, b_bool;
1078
1079 switch( i_query )
1080 {
1081 case DEMUX_GET_TIME:
1082 pi64 = (int64_t*)va_arg( args, int64_t * );
1083 if( p_sys->i_npt > 0 )
1084 {
1085 *pi64 = p_sys->i_npt;
1086 return VLC_SUCCESS;
1087 }
1088 return VLC_EGENERIC;
1089
1090 case DEMUX_GET_LENGTH:
1091 pi64 = (int64_t*)va_arg( args, int64_t * );
1092 if( p_sys->i_npt_length > 0 )
1093 {
1094 *pi64 = p_sys->i_npt_length;
1095 return VLC_SUCCESS;
1096 }
1097 return VLC_EGENERIC;
1098
1099 case DEMUX_GET_POSITION:
1100 pf = (double*)va_arg( args, double* );
1101 if( p_sys->i_npt_length > 0 && p_sys->i_npt > 0 )
1102 {
1103 *pf = (double)p_sys->i_npt / (double)p_sys->i_npt_length;
1104 return VLC_SUCCESS;
1105 }
1106 return VLC_EGENERIC;
1107
1108 case DEMUX_SET_POSITION:
1109 {
1110 float time;
1111
1112 f = (double)va_arg( args, double );
1113 if( p_sys->rtsp && p_sys->i_npt_length > 0 )
1114 {
1115 int i;
1116 time = f * (double)p_sys->i_npt_length / 1000000.0; /* in second */
1117 if( !p_sys->rtsp->playMediaSession( *p_sys->ms, time, -1, 1 ) )
1118 {
1119 msg_Err( p_demux, "PLAY failed %s",
1120 p_sys->env->getResultMsg() );
1121 return VLC_EGENERIC;
1122 }
1123 es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
1124 p_sys->i_pcr = 0;
1125 #if 0
1126 /* Retrieve RTP-Info values */
1127 for( i = 0; i < p_sys->i_track; i++ )
1128 {
1129 //p_sys->track[i]->i_pts = 0;
1130 p_sys->track[i]->i_start_seq = p_sys->track[i]->sub->rtpInfo.seqNum;
1131 msg_Dbg( p_demux, "set pos startseq: %u", p_sys->track[i]->i_start_seq );
1132 }
1133 #endif
1134 #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 9999999999)
1135 /* Retrieve the starttime if possible */
1136 p_sys->i_npt_start = (int64_t)( p_sys->ms->playStartTime() * (double)1000000.0 );
1137 #else
1138 p_sys->i_npt_start = -1;
1139 #endif
1140 if( p_sys->i_npt_start < 0 )
1141 {
1142 p_sys->i_npt_start = -1;
1143 p_sys->i_npt = 0;
1144 }
1145 else
1146 p_sys->i_npt = p_sys->i_npt_start;
1147
1148 #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 9999999999)
1149 /* Retrieve the duration if possible */
1150 p_sys->i_npt_length = (int64_t)( p_sys->ms->playEndTime() * (double)1000000.0 );
1151 #else
1152 p_sys->i_npt_length = -1;
1153 #endif
1154 if( p_sys->i_npt_length < 0 )
1155 p_sys->i_npt_length = -1;
1156
1157 msg_Dbg( p_demux, "seek start: %lld stop:%lld", p_sys->i_npt_start, p_sys->i_npt_length );
1158 return VLC_SUCCESS;
1159 }
1160 return VLC_EGENERIC;
1161 }
1162 /* Special for access_demux */
1163 case DEMUX_CAN_PAUSE:
1164 pb = (vlc_bool_t*)va_arg( args, vlc_bool_t * );
1165 if( p_sys->rtsp && p_sys->i_npt_length )
1166 /* Not always true, but will be handled in SET_PAUSE_STATE */
1167 *pb = VLC_TRUE;
1168 else
1169 *pb = VLC_FALSE;
1170 return VLC_SUCCESS;
1171
1172 case DEMUX_CAN_CONTROL_PACE:
1173 pb = (vlc_bool_t*)va_arg( args, vlc_bool_t * );
1174
1175 #if 1 /* Disable for now until we have a clock synchro algo
1176 * which works with something else than MPEG over UDP */
1177 *pb = VLC_FALSE;
1178 #else
1179 *pb = VLC_TRUE;
1180 #endif
1181 return VLC_SUCCESS;
1182
1183 case DEMUX_SET_PAUSE_STATE:
1184 {
1185 double d_npt = (double) p_sys->i_npt / I64C(1000000);
1186 int i;
1187
1188 b_bool = (vlc_bool_t)va_arg( args, vlc_bool_t );
1189 if( p_sys->rtsp == NULL )
1190 return VLC_EGENERIC;
1191
1192 /* FIXME */
1193 if( ( b_bool && !p_sys->rtsp->pauseMediaSession( *p_sys->ms ) ) ||
1194 ( !b_bool && !p_sys->rtsp->playMediaSession( *p_sys->ms,
1195 d_npt > 0 ? d_npt : -1 ) ) )
1196 {
1197 msg_Err( p_demux, "PLAY or PAUSE failed %s", p_sys->env->getResultMsg() );
1198 return VLC_EGENERIC;
1199 }
1200 es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
1201 p_sys->i_pcr = 0;
1202 #if 0
1203 for( i = 0; i < p_sys->i_track; i++ )
1204 {
1205 //p_sys->track[i]->i_pts = 0;
1206 p_sys->track[i]->i_start_seq = p_sys->track[i]->sub->rtpInfo.seqNum;
1207 msg_Dbg( p_demux, "set pause startseq: %u", p_sys->track[i]->i_start_seq );
1208 }
1209 #endif
1210 #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 9999999999)
1211 /* Retrieve the starttime if possible */
1212 p_sys->i_npt_start = (int64_t)( p_sys->ms->playStartTime() * (double)1000000.0 );
1213 #else
1214 p_sys->i_npt_start = -1;
1215 #endif
1216 if( p_sys->i_npt_start < 0 )
1217 {
1218 p_sys->i_npt_start = -1;
1219 p_sys->i_npt = 0;
1220 }
1221 else
1222 p_sys->i_npt = p_sys->i_npt_start;
1223
1224 #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 9999999999)
1225 /* Retrieve the duration if possible */
1226 p_sys->i_npt_length = (int64_t)( p_sys->ms->playEndTime() * (double)1000000.0 );
1227 #else
1228 p_sys->i_npt_length = -1;
1229 #endif
1230 if( p_sys->i_npt_length < 0 )
1231 p_sys->i_npt_length = -1;
1232
1233 msg_Dbg( p_demux, "pause start: %lld stop:%lld", p_sys->i_npt_start, p_sys->i_npt_length );
1234 return VLC_SUCCESS;
1235 }
1236 case DEMUX_GET_TITLE_INFO:
1237 case DEMUX_SET_TITLE:
1238 case DEMUX_SET_SEEKPOINT:
1239 return VLC_EGENERIC;
1240
1241 case DEMUX_GET_PTS_DELAY:
1242 pi64 = (int64_t*)va_arg( args, int64_t * );
1243 *pi64 = (int64_t)var_GetInteger( p_demux, "rtsp-caching" ) * 1000;
1244 return VLC_SUCCESS;
1245
1246 default:
1247 return VLC_EGENERIC;
1248 }
1249 }
1250
1251 /*****************************************************************************
1252 * RollOverTcp: reopen the rtsp into TCP mode
1253 * XXX: ugly, a lot of code are duplicated from Open()
1254 * This should REALLY be fixed
1255 *****************************************************************************/
1256 static int RollOverTcp( demux_t *p_demux )
1257 {
1258 demux_sys_t *p_sys = p_demux->p_sys;
1259 int i, i_return;
1260
1261 var_SetBool( p_demux, "rtsp-tcp", VLC_TRUE );
1262
1263 /* We close the old RTSP session */
1264 for( i = 0; i < p_sys->i_track; i++ )
1265 {
1266 live_track_t *tk = p_sys->track[i];
1267
1268 if( tk->b_muxed ) stream_DemuxDelete( tk->p_out_muxed );
1269 free( tk->p_buffer );
1270 free( tk );
1271 }
1272 if( p_sys->i_track ) free( p_sys->track );
1273 if( p_sys->p_out_asf ) stream_DemuxDelete( p_sys->p_out_asf );
1274
1275 p_sys->rtsp->teardownMediaSession( *p_sys->ms );
1276 Medium::close( p_sys->ms );
1277 RTSPClient::close( p_sys->rtsp );
1278
1279 p_sys->ms = NULL;
1280 p_sys->rtsp = NULL;
1281 p_sys->track = NULL;
1282 p_sys->i_track = 0;
1283
1284 /* Reopen rtsp client */
1285 if( p_demux->s != NULL && ( i_return = Connect( p_demux ) ) != VLC_SUCCESS )
1286 {
1287 msg_Err( p_demux, "Failed to connect with rtsp://%s", p_sys->psz_path );
1288 goto error;
1289 }
1290
1291 if( p_sys->p_sdp == NULL )
1292 {
1293 msg_Err( p_demux, "Failed to retrieve the RTSP Session Description" );
1294 goto error;
1295 }
1296
1297 if( ( i_return = SessionsSetup( p_demux ) ) != VLC_SUCCESS )
1298 {
1299 msg_Err( p_demux, "Nothing to play for rtsp://%s", p_sys->psz_path );
1300 goto error;
1301 }
1302
1303 if( ( i_return = Play( p_demux ) ) != VLC_SUCCESS )
1304 goto error;
1305
1306 return VLC_SUCCESS;
1307
1308 error:
1309 return VLC_EGENERIC;
1310 }
1311
1312
1313 /*****************************************************************************
1314 *
1315 *****************************************************************************/
1316 static void StreamRead( void *p_private, unsigned int i_size,
1317 unsigned int i_truncated_bytes, struct timeval pts,
1318 unsigned int duration )
1319 {
1320 live_track_t *tk = (live_track_t*)p_private;
1321 demux_t *p_demux = tk->p_demux;
1322 demux_sys_t *p_sys = p_demux->p_sys;
1323 block_t *p_block;
1324
1325 msg_Dbg( p_demux, "pts: %d", pts.tv_sec );
1326
1327 int64_t i_pts = (uint64_t)pts.tv_sec * UI64C(1000000) +
1328 (uint64_t)pts.tv_usec;
1329
1330 /* XXX Beurk beurk beurk Avoid having negative value XXX */
1331 i_pts &= UI64C(0x00ffffffffffffff);
1332
1333 if( tk->b_quicktime && tk->p_es == NULL )
1334 {
1335 QuickTimeGenericRTPSource *qtRTPSource =
1336 (QuickTimeGenericRTPSource*)tk->sub->rtpSource();
1337 QuickTimeGenericRTPSource::QTState &qtState = qtRTPSource->qtState;
1338 uint8_t *sdAtom = (uint8_t*)&qtState.sdAtom[4];
1339
1340 if( tk->fmt.i_cat == VIDEO_ES ) {
1341 if( qtState.sdAtomSize < 16 + 32 )
1342 {
1343 /* invalid */
1344 p_sys->event = 0xff;
1345 tk->waiting = 0;
1346 return;
1347 }
1348 tk->fmt.i_codec = VLC_FOURCC(sdAtom[0],sdAtom[1],sdAtom[2],sdAtom[3]);
1349 tk->fmt.video.i_width = (sdAtom[28] << 8) | sdAtom[29];
1350 tk->fmt.video.i_height = (sdAtom[30] << 8) | sdAtom[31];
1351
1352 if( tk->fmt.i_codec == VLC_FOURCC('a', 'v', 'c', '1') )
1353 {
1354 uint8_t *pos = (uint8_t*)qtRTPSource->qtState.sdAtom + 86;
1355 uint8_t *endpos = (uint8_t*)qtRTPSource->qtState.sdAtom
1356 + qtRTPSource->qtState.sdAtomSize;
1357 while (pos+8 < endpos) {
1358 unsigned atomLength = pos[0]<<24 | pos[1]<<16 | pos[2]<<8 | pos[3];
1359 if( atomLength == 0 || atomLength > endpos-pos) break;
1360 if( memcmp(pos+4, "avcC", 4) == 0 &&
1361 atomLength > 8 &&
1362 atomLength <= INT_MAX )
1363 {
1364 tk->fmt.i_extra = atomLength-8;
1365 tk->fmt.p_extra = malloc( tk->fmt.i_extra );
1366 memcpy(tk->fmt.p_extra, pos+8, atomLength-8);
1367 break;
1368 }
1369 pos += atomLength;
1370 }
1371 }
1372 else
1373 {
1374 tk->fmt.i_extra = qtState.sdAtomSize - 16;
1375 tk->fmt.p_extra = malloc( tk->fmt.i_extra );
1376 memcpy( tk->fmt.p_extra, &sdAtom[12], tk->fmt.i_extra );
1377 }
1378 }
1379 else {
1380 if( qtState.sdAtomSize < 4 )
1381 {
1382 /* invalid */
1383 p_sys->event = 0xff;
1384 tk->waiting = 0;
1385 return;
1386 }
1387 tk->fmt.i_codec = VLC_FOURCC(sdAtom[0],sdAtom[1],sdAtom[2],sdAtom[3]);
1388 }
1389 tk->p_es = es_out_Add( p_demux->out, &tk->fmt );
1390 }
1391
1392 #if 0
1393 fprintf( stderr, "StreamRead size=%d pts=%lld\n",
1394 i_size,
1395 pts.tv_sec * 1000000LL + pts.tv_usec );
1396 #endif
1397
1398 /* grow buffer if it looks like buffer is too small, but don't eat
1399 * up all the memory on strange streams */
1400 if( i_truncated_bytes > 0 && tk->i_buffer < 2000000 )
1401 {
1402 void *p_tmp;
1403 msg_Dbg( p_demux, "lost %d bytes", i_truncated_bytes );
1404 msg_Dbg( p_demux, "increasing buffer size to %d", tk->i_buffer * 2 );
1405 tk->i_buffer *= 2;
1406 p_tmp = realloc( tk->p_buffer, tk->i_buffer );
1407 if( p_tmp == NULL )
1408 {
1409 msg_Warn( p_demux, "realloc failed" );
1410 }
1411 else
1412 {
1413 tk->p_buffer = (uint8_t*)p_tmp;
1414 }
1415 }
1416 if( i_size > tk->i_buffer )
1417 {
1418 msg_Warn( p_demux, "buffer overflow" );
1419 }
1420 /* FIXME could i_size be > buffer size ? */
1421 if( tk->fmt.i_codec == VLC_FOURCC('s','a','m','r') ||
1422 tk->fmt.i_codec == VLC_FOURCC('s','a','w','b') )
1423 {
1424 AMRAudioSource *amrSource = (AMRAudioSource*)tk->sub->readSource();
1425
1426 p_block = block_New( p_demux, i_size + 1 );
1427 p_block->p_buffer[0] = amrSource->lastFrameHeader();
1428 memcpy( p_block->p_buffer + 1, tk->p_buffer, i_size );
1429 }
1430 else if( tk->fmt.i_codec == VLC_FOURCC('H','2','6','1') )
1431 {
1432 #if LIVEMEDIA_LIBRARY_VERSION_INT >= 1081468800
1433 H261VideoRTPSource *h261Source = (H261VideoRTPSource*)tk->sub->rtpSource();
1434 uint32_t header = h261Source->lastSpecialHeader();
1435 #else
1436 uint32_t header = 0;
1437 msg_Warn( p_demux, "need livemedia library >= \"2004.04.09\"" );
1438 #endif
1439 p_block = block_New( p_demux, i_size + 4 );
1440 memcpy( p_block->p_buffer, &header, 4 );
1441 memcpy( p_block->p_buffer + 4, tk->p_buffer, i_size );
1442
1443 if( tk->sub->rtpSource()->curPacketMarkerBit() )
1444 p_block->i_flags |= BLOCK_FLAG_END_OF_FRAME;
1445 }
1446 else if( tk->fmt.i_codec == VLC_FOURCC('h','2','6','4') )
1447 {
1448 if( (tk->p_buffer[0] & 0x1f) >= 24 )
1449 msg_Warn( p_demux, "unsupported NAL type for H264" );
1450
1451 /* Normal NAL type */
1452 p_block = block_New( p_demux, i_size + 4 );
1453 p_block->p_buffer[0] = 0x00;
1454 p_block->p_buffer[1] = 0x00;
1455 p_block->p_buffer[2] = 0x00;
1456 p_block->p_buffer[3] = 0x01;
1457 memcpy( &p_block->p_buffer[4], tk->p_buffer, i_size );
1458 }
1459 else if( tk->b_asf )
1460 {
1461 int i_copy = __MIN( p_sys->asfh.i_min_data_packet_size, (int)i_size );
1462 p_block = block_New( p_demux, p_sys->asfh.i_min_data_packet_size );
1463
1464 memcpy( p_block->p_buffer, tk->p_buffer, i_copy );
1465 }
1466 else
1467 {
1468 p_block = block_New( p_demux, i_size );
1469 memcpy( p_block->p_buffer, tk->p_buffer, i_size );
1470 }
1471
1472 /* Update NPT */
1473 //msg_Dbg( p_demux, "current %d, start_seq %u", (int)tk->sub->rtpSource()->curPacketRTPSeqNum(), tk->i_start_seq );
1474 if( (tk->fmt.i_cat == VIDEO_ES) && (p_sys->i_pcr < i_pts) &&
1475 (i_pts > 0) && (p_sys->i_pcr > 0) )
1476 {
1477 p_sys->i_npt += __MAX( 0, i_pts - p_sys->i_pcr );
1478 p_sys->i_pcr = i_pts;
1479 msg_Dbg( p_demux, "npt update" );
1480 }
1481 else if( (tk->fmt.i_cat == VIDEO_ES) && (p_sys->i_pcr < i_pts) )
1482 {
1483 p_sys->i_pcr = i_pts;
1484 }
1485 msg_Dbg( p_demux, "npt %lld", p_sys->i_npt );
1486
1487 if( (i_pts != tk->i_pts) && (!tk->b_muxed) )
1488 {
1489 p_block->i_dts = ( tk->fmt.i_cat == VIDEO_ES ) ? 0 : i_pts;
1490 p_block->i_pts = i_pts;
1491 }
1492
1493 if( tk->b_muxed )
1494 {
1495 stream_DemuxSend( tk->p_out_muxed, p_block );
1496 }
1497 else if( tk->b_asf )
1498 {
1499 stream_DemuxSend( p_sys->p_out_asf, p_block );
1500 }
1501 else
1502 {
1503 es_out_Send( p_demux->out, tk->p_es, p_block );
1504 }
1505
1506 /* warn that's ok */
1507 p_sys->event = 0xff;
1508
1509 /* we have read data */
1510 tk->waiting = 0;
1511 p_demux->p_sys->b_no_data = VLC_FALSE;
1512 p_demux->p_sys->i_no_data_ti = 0;
1513
1514 if( i_pts > 0 && !tk->b_muxed )
1515 {
1516 tk->i_pts = i_pts;
1517 }
1518 }
1519
1520 /*****************************************************************************
1521 *
1522 *****************************************************************************/
1523 static void StreamClose( void *p_private )
1524 {
1525 live_track_t *tk = (live_track_t*)p_private;
1526 demux_t *p_demux = tk->p_demux;
1527 demux_sys_t *p_sys = p_demux->p_sys;
1528
1529 msg_Dbg( p_demux, "StreamClose" );
1530
1531 p_sys->event = 0xff;
1532 p_demux->b_error = VLC_TRUE;
1533 }
1534
1535
1536 /*****************************************************************************
1537 *
1538 *****************************************************************************/
1539 static void TaskInterrupt( void *p_private )
1540 {
1541 demux_t *p_demux = (demux_t*)p_private;
1542
1543 p_demux->p_sys->i_no_data_ti++;
1544
1545 /* Avoid lock */
1546 p_demux->p_sys->event = 0xff;
1547 }
1548
1549 /*****************************************************************************
1550 *
1551 *****************************************************************************/
1552 static void TimeoutPrevention( timeout_thread_t *p_timeout )
1553 {
1554 p_timeout->b_die = VLC_FALSE;
1555 p_timeout->i_remain = (int64_t)p_timeout->p_sys->i_timeout -2;
1556 p_timeout->i_remain *= 1000000;
1557
1558 vlc_thread_ready( p_timeout );
1559
1560 /* Avoid lock */
1561 while( !p_timeout->b_die )
1562 {
1563 if( p_timeout->i_remain <= 0 )
1564 {
1565 p_timeout->i_remain = (int64_t)p_timeout->p_sys->i_timeout -2;
1566 p_timeout->i_remain *= 1000000;
1567 p_timeout->p_sys->b_timeout_call = VLC_TRUE;
1568 msg_Dbg( p_timeout, "reset the timeout timer" );
1569 }
1570 p_timeout->i_remain -= 200000;
1571 msleep( 200000 ); /* 200 ms */
1572 }
1573 }
1574
1575 /*****************************************************************************
1576 *
1577 *****************************************************************************/
1578 static int b64_decode( char *dest, char *src );
1579
1580 static int ParseASF( demux_t *p_demux )
1581 {
1582 demux_sys_t *p_sys = p_demux->p_sys;
1583
1584 const char *psz_marker = "a=pgmpu:data:application/vnd.ms.wms-hdr.asfv1;base64,";
1585 char *psz_asf = strcasestr( p_sys->p_sdp, psz_marker );
1586 char *psz_end;
1587 block_t *p_header;
1588
1589 /* Parse the asf header */
1590 if( psz_asf == NULL )
1591 return VLC_EGENERIC;
1592
1593 psz_asf += strlen( psz_marker );
1594 psz_asf = strdup( psz_asf ); /* Duplicate it */
1595 psz_end = strchr( psz_asf, '\n' );
1596
1597 while( psz_end > psz_asf && ( *psz_end == '\n' || *psz_end == '\r' ) )
1598 *psz_end-- = '\0';
1599
1600 if( psz_asf >= psz_end )
1601 {
1602 free( psz_asf );
1603 return VLC_EGENERIC;
1604 }
1605
1606 /* Always smaller */
1607 p_header = block_New( p_demux, psz_end - psz_asf );
1608 p_header->i_buffer = b64_decode( (char*)p_header->p_buffer, psz_asf );
1609 //msg_Dbg( p_demux, "Size=%d Hdrb64=%s", p_header->i_buffer, psz_asf );
1610 if( p_header->i_buffer <= 0 )
1611 {
1612 free( psz_asf );
1613 return VLC_EGENERIC;
1614 }
1615
1616 /* Parse it to get packet size */
1617 E_(asf_HeaderParse)( &p_sys->asfh, p_header->p_buffer, p_header->i_buffer );
1618
1619 /* Send it to demuxer */
1620 stream_DemuxSend( p_sys->p_out_asf, p_header );
1621
1622 free( psz_asf );
1623 return VLC_SUCCESS;
1624 }
1625
1626
1627 static unsigned char* parseH264ConfigStr( char const* configStr,
1628 unsigned int& configSize )
1629 {
1630 char *dup, *psz;
1631 int i, i_records = 1;
1632
1633 if( configSize )
1634 configSize = 0;
1635
1636 if( configStr == NULL || *configStr == '\0' )
1637 return NULL;
1638
1639 psz = dup = strdup( configStr );
1640
1641 /* Count the number of comma's */
1642 for( psz = dup; *psz != '\0'; ++psz )
1643 {
1644 if( *psz == ',')
1645 {
1646 ++i_records;
1647 *psz = '\0';
1648 }
1649 }
1650
1651 unsigned char *cfg = new unsigned char[5 * strlen(dup)];
1652 psz = dup;
1653 for( i = 0; i < i_records; i++ )
1654 {
1655 cfg[configSize++] = 0x00;
1656 cfg[configSize++] = 0x00;
1657 cfg[configSize++] = 0x00;
1658 cfg[configSize++] = 0x01;
1659
1660 configSize += b64_decode( (char*)&cfg[configSize], psz );
1661 psz += strlen(psz)+1;
1662 }
1663
1664 if( dup ) free( dup );
1665 return cfg;
1666 }
1667
1668 /*char b64[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";*/
1669 static int b64_decode( char *dest, char *src )
1670 {
1671 const char *dest_start = dest;
1672 int i_level;
1673 int last = 0;
1674 int b64[256] = {
1675 -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, /* 00-0F */
1676 -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, /* 10-1F */
1677 -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,62,-1,-1,-1,63, /* 20-2F */
1678 52,53,54,55,56,57,58,59,60,61,-1,-1,-1,-1,-1,-1, /* 30-3F */
1679 -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10,11,12,13,14, /* 40-4F */
1680 15,16,17,18,19,20,21,22,23,24,25,-1,-1,-1,-1,-1, /* 50-5F */
1681 -1,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40, /* 60-6F */
1682 41,42,43,44,45,46,47,48,49,50,51,-1,-1,-1,-1,-1, /* 70-7F */
1683 -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, /* 80-8F */
1684 -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, /* 90-9F */
1685 -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, /* A0-AF */
1686 -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, /* B0-BF */
1687 -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, /* C0-CF */
1688 -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, /* D0-DF */
1689 -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, /* E0-EF */
1690 -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1 /* F0-FF */
1691 };
1692
1693 for( i_level = 0; *src != '\0'; src++ )
1694 {
1695 int c;
1696
1697 c = b64[(unsigned int)*src];
1698 if( c == -1 )
1699 {
1700 continue;
1701 }
1702
1703 switch( i_level )
1704 {
1705 case 0:
1706 i_level++;
1707 break;
1708 case 1:
1709 *dest++ = ( last << 2 ) | ( ( c >> 4)&0x03 );
1710 i_level++;
1711 break;
1712 case 2:
1713 *dest++ = ( ( last << 4 )&0xf0 ) | ( ( c >> 2 )&0x0f );
1714 i_level++;
1715 break;
1716 case 3:
1717 *dest++ = ( ( last &0x03 ) << 6 ) | c;
1718 i_level = 0;
1719 }
1720 last = c;
1721 }
1722
1723 *dest = '\0';
1724
1725 return dest - dest_start;
1726 }
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