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Remove legacy casts
[vlc/asuraparaju-public.git] / modules / demux / live555.cpp
blobc4973dcb64e45fbe5024ae69faa491dc76226048
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 along
22 * with this program; if not, write to the Free Software Foundation, Inc.,
23 * 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
24 *****************************************************************************/
25
26 /*****************************************************************************
27 * Preamble
28 *****************************************************************************/
29
30 /* For inttypes.h
31 * Note: config.h may include inttypes.h, so make sure we define this option
32 * early enough. */
33 #define __STDC_CONSTANT_MACROS 1
34
35 #ifdef HAVE_CONFIG_H
36 # include "config.h"
37 #endif
38
39 #include <inttypes.h>
40
41 #include <vlc_common.h>
42 #include <vlc_plugin.h>
43 #include <vlc_input.h>
44 #include <vlc_demux.h>
45 #include <vlc_dialog.h>
46 #include <vlc_url.h>
47 #include <vlc_strings.h>
48
49 #include <iostream>
50 #include <limits.h>
51 #include <assert.h>
52
53
54 #if defined( WIN32 )
55 # include <winsock2.h>
56 #endif
57
58 #include <UsageEnvironment.hh>
59 #include <BasicUsageEnvironment.hh>
60 #include <GroupsockHelper.hh>
61 #include <liveMedia.hh>
62
63 extern "C" {
64 #include "../access/mms/asf.h" /* Who said ugly ? */
65 }
66
67 using namespace std;
68
69 /*****************************************************************************
70 * Module descriptor
71 *****************************************************************************/
72 static int Open ( vlc_object_t * );
73 static void Close( vlc_object_t * );
74
75 #define CACHING_TEXT N_("Caching value (ms)")
76 #define CACHING_LONGTEXT N_( \
77 "Allows you to modify the default caching value for RTSP streams. This " \
78 "value should be set in millisecond units." )
79
80 #define KASENNA_TEXT N_( "Kasenna RTSP dialect")
81 #define KASENNA_LONGTEXT N_( "Kasenna servers use an old and nonstandard " \
82 "dialect of RTSP. With this parameter VLC will try this dialect, but "\
83 "then it cannot connect to normal RTSP servers." )
84
85 #define WMSERVER_TEXT N_("WMServer RTSP dialect")
86 #define WMSERVER_LONGTEXT N_("WMServer uses an unstandard dialect " \
87 "of RTSP. Selecting this parameter will tell VLC to assume some " \
88 "options contrary to RFC 2326 guidelines.")
89
90 #define USER_TEXT N_("RTSP user name")
91 #define USER_LONGTEXT N_("Sets the username for the connection, " \
92 "if no username or password are set in the url.")
93 #define PASS_TEXT N_("RTSP password")
94 #define PASS_LONGTEXT N_("Sets the password for the connection, " \
95 "if no username or password are set in the url.")
96
97 vlc_module_begin ()
98 set_description( N_("RTP/RTSP/SDP demuxer (using Live555)" ) )
99 set_capability( "demux", 50 )
100 set_shortname( "RTP/RTSP")
101 set_callbacks( Open, Close )
102 add_shortcut( "live", "livedotcom" )
103 set_category( CAT_INPUT )
104 set_subcategory( SUBCAT_INPUT_DEMUX )
105
106 add_submodule ()
107 set_description( N_("RTSP/RTP access and demux") )
108 add_shortcut( "rtsp", "pnm", "sdp", "live", "livedotcom" )
109 set_capability( "access_demux", 0 )
110 set_callbacks( Open, Close )
111 add_bool( "rtsp-tcp", false, NULL,
112 N_("Use RTP over RTSP (TCP)"),
113 N_("Use RTP over RTSP (TCP)"), true )
114 change_safe()
115 add_integer( "rtp-client-port", -1, NULL,
116 N_("Client port"),
117 N_("Port to use for the RTP source of the session"), true )
118 add_bool( "rtsp-mcast", false, NULL,
119 N_("Force multicast RTP via RTSP"),
120 N_("Force multicast RTP via RTSP"), true )
121 change_safe()
122 add_bool( "rtsp-http", false, NULL,
123 N_("Tunnel RTSP and RTP over HTTP"),
124 N_("Tunnel RTSP and RTP over HTTP"), true )
125 change_safe()
126 add_integer( "rtsp-http-port", 80, NULL,
127 N_("HTTP tunnel port"),
128 N_("Port to use for tunneling the RTSP/RTP over HTTP."),
129 true )
130 add_integer("rtsp-caching", 4 * DEFAULT_PTS_DELAY / 1000, NULL,
131 CACHING_TEXT, CACHING_LONGTEXT, true )
132 change_safe()
133 add_bool( "rtsp-kasenna", false, NULL, KASENNA_TEXT,
134 KASENNA_LONGTEXT, true )
135 change_safe()
136 add_bool( "rtsp-wmserver", false, NULL, WMSERVER_TEXT,
137 WMSERVER_LONGTEXT, true)
138 change_safe()
139 add_string( "rtsp-user", NULL, NULL, USER_TEXT,
140 USER_LONGTEXT, true )
141 change_safe()
142 add_password( "rtsp-pwd", NULL, NULL, PASS_TEXT,
143 PASS_LONGTEXT, true )
144 change_safe()
145 vlc_module_end ()
146
147
148 /*****************************************************************************
149 * Local prototypes
150 *****************************************************************************/
151
152 typedef struct
153 {
154 demux_t *p_demux;
155 MediaSubsession *sub;
156
157 es_format_t fmt;
158 es_out_id_t *p_es;
159
160 bool b_muxed;
161 bool b_quicktime;
162 bool b_asf;
163 block_t *p_asf_block;
164 bool b_discard_trunc;
165 stream_t *p_out_muxed; /* for muxed stream */
166
167 uint8_t *p_buffer;
168 unsigned int i_buffer;
169
170 bool b_rtcp_sync;
171 char waiting;
172 int64_t i_pts;
173 float i_npt;
174
175 } live_track_t;
176
177 struct timeout_thread_t
178 {
179 demux_sys_t *p_sys;
180 vlc_thread_t handle;
181 bool b_handle_keep_alive;
182 };
183
184 struct demux_sys_t
185 {
186 char *p_sdp; /* XXX mallocated */
187 char *psz_path; /* URL-encoded path */
188 vlc_url_t url;
189
190 MediaSession *ms;
191 TaskScheduler *scheduler;
192 UsageEnvironment *env ;
193 RTSPClient *rtsp;
194
195 /* */
196 int i_track;
197 live_track_t **track; /* XXX mallocated */
198
199 /* Weird formats */
200 asf_header_t asfh;
201 stream_t *p_out_asf;
202 bool b_real;
203
204 /* */
205 int64_t i_pcr; /* The clock */
206 float i_npt;
207 float i_npt_length;
208 float i_npt_start;
209
210 /* timeout thread information */
211 int i_timeout; /* session timeout value in seconds */
212 bool b_timeout_call;/* mark to send an RTSP call to prevent server timeout */
213 timeout_thread_t *p_timeout; /* the actual thread that makes sure we don't timeout */
214
215 /* */
216 bool b_force_mcast;
217 bool b_multicast; /* if one of the tracks is multicasted */
218 bool b_no_data; /* if we never received any data */
219 int i_no_data_ti; /* consecutive number of TaskInterrupt */
220
221 char event;
222
223 bool b_get_param; /* Does the server support GET_PARAMETER */
224 bool b_paused; /* Are we paused? */
225 bool b_error;
226
227 float f_seek_request;/* In case we receive a seek request while paused*/
228 };
229
230 static int Demux ( demux_t * );
231 static int Control( demux_t *, int, va_list );
232
233 static int Connect ( demux_t * );
234 static int SessionsSetup( demux_t * );
235 static int Play ( demux_t *);
236 static int ParseASF ( demux_t * );
237 static int RollOverTcp ( demux_t * );
238
239 static void StreamRead ( void *, unsigned int, unsigned int,
240 struct timeval, unsigned int );
241 static void StreamClose ( void * );
242 static void TaskInterrupt( void * );
243
244 static void* TimeoutPrevention( void * );
245
246 static unsigned char* parseH264ConfigStr( char const* configStr,
247 unsigned int& configSize );
248
249 /*****************************************************************************
250 * DemuxOpen:
251 *****************************************************************************/
252 static int Open ( vlc_object_t *p_this )
253 {
254 demux_t *p_demux = (demux_t*)p_this;
255 demux_sys_t *p_sys = NULL;
256
257 int i_return;
258 int i_error = VLC_EGENERIC;
259
260 if( p_demux->s )
261 {
262 /* See if it looks like a SDP
263 v, o, s fields are mandatory and in this order */
264 const uint8_t *p_peek;
265 if( stream_Peek( p_demux->s, &p_peek, 7 ) < 7 ) return VLC_EGENERIC;
266
267 if( memcmp( p_peek, "v=0\r\n", 5 ) &&
268 memcmp( p_peek, "v=0\n", 4 ) &&
269 ( p_peek[0] < 'a' || p_peek[0] > 'z' || p_peek[1] != '=' ) )
270 {
271 return VLC_EGENERIC;
272 }
273 }
274 var_Create( p_demux, "rtsp-caching", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
275
276 p_demux->pf_demux = Demux;
277 p_demux->pf_control= Control;
278 p_demux->p_sys = p_sys = (demux_sys_t*)malloc( sizeof( demux_sys_t ) );
279 if( !p_sys ) return VLC_ENOMEM;
280
281 p_sys->p_sdp = NULL;
282 p_sys->scheduler = NULL;
283 p_sys->env = NULL;
284 p_sys->ms = NULL;
285 p_sys->rtsp = NULL;
286 p_sys->i_track = 0;
287 p_sys->track = NULL;
288 p_sys->i_pcr = 0;
289 p_sys->i_npt = 0.;
290 p_sys->i_npt_start = 0.;
291 p_sys->i_npt_length = 0.;
292 p_sys->p_out_asf = NULL;
293 p_sys->b_no_data = true;
294 p_sys->i_no_data_ti = 0;
295 p_sys->p_timeout = NULL;
296 p_sys->i_timeout = 0;
297 p_sys->b_timeout_call = false;
298 p_sys->b_multicast = false;
299 p_sys->b_real = false;
300 p_sys->psz_path = strdup( p_demux->psz_location );
301 p_sys->b_force_mcast = var_CreateGetBool( p_demux, "rtsp-mcast" );
302 p_sys->b_get_param = false;
303 p_sys->b_paused = false;
304 p_sys->f_seek_request = -1;
305 p_sys->b_error = false;
306
307 /* parse URL for rtsp://[user:[passwd]@]serverip:port/options */
308 vlc_UrlParse( &p_sys->url, p_sys->psz_path, 0 );
309
310 if( ( p_sys->scheduler = BasicTaskScheduler::createNew() ) == NULL )
311 {
312 msg_Err( p_demux, "BasicTaskScheduler::createNew failed" );
313 goto error;
314 }
315 if( !( p_sys->env = BasicUsageEnvironment::createNew(*p_sys->scheduler) ) )
316 {
317 msg_Err( p_demux, "BasicUsageEnvironment::createNew failed" );
318 goto error;
319 }
320
321 if( strcasecmp( p_demux->psz_access, "sdp" ) )
322 {
323 char *p = p_sys->psz_path;
324 while( (p = strchr( p, ' ' )) != NULL ) *p = '+';
325 }
326
327 if( p_demux->s != NULL )
328 {
329 /* Gather the complete sdp file */
330 int i_sdp = 0;
331 int i_sdp_max = 1000;
332 uint8_t *p_sdp = (uint8_t*) malloc( i_sdp_max );
333
334 if( !p_sdp )
335 {
336 i_error = VLC_ENOMEM;
337 goto error;
338 }
339
340 for( ;; )
341 {
342 int i_read = stream_Read( p_demux->s, &p_sdp[i_sdp],
343 i_sdp_max - i_sdp - 1 );
344
345 if( !vlc_object_alive (p_demux) )
346 {
347 free( p_sdp );
348 goto error;
349 }
350
351 if( i_read < 0 )
352 {
353 msg_Err( p_demux, "failed to read SDP" );
354 free( p_sdp );
355 goto error;
356 }
357
358 i_sdp += i_read;
359
360 if( i_read < i_sdp_max - i_sdp - 1 )
361 {
362 p_sdp[i_sdp] = '\0';
363 break;
364 }
365
366 i_sdp_max += 1000;
367 p_sdp = (uint8_t*)xrealloc( p_sdp, i_sdp_max );
368 }
369 p_sys->p_sdp = (char*)p_sdp;
370 }
371 else if( ( p_demux->s == NULL ) &&
372 !strcasecmp( p_demux->psz_access, "sdp" ) )
373 {
374 /* sdp:// link from SAP */
375 p_sys->p_sdp = strdup( p_sys->psz_path );
376 }
377 else if( ( i_return = Connect( p_demux ) ) != VLC_SUCCESS )
378 {
379 msg_Err( p_demux, "Failed to connect with rtsp://%s", p_sys->psz_path );
380 goto error;
381 }
382
383 if( p_sys->p_sdp == NULL )
384 {
385 msg_Err( p_demux, "Failed to retrieve the RTSP Session Description" );
386 i_error = VLC_ENOMEM;
387 goto error;
388 }
389
390 if( ( i_return = SessionsSetup( p_demux ) ) != VLC_SUCCESS )
391 {
392 msg_Err( p_demux, "Nothing to play for rtsp://%s", p_sys->psz_path );
393 goto error;
394 }
395
396 if( p_sys->b_real ) goto error;
397
398 if( ( i_return = Play( p_demux ) ) != VLC_SUCCESS )
399 goto error;
400
401 if( p_sys->p_out_asf && ParseASF( p_demux ) )
402 {
403 msg_Err( p_demux, "cannot find a usable asf header" );
404 /* TODO Clean tracks */
405 goto error;
406 }
407
408 if( p_sys->i_track <= 0 )
409 goto error;
410
411 return VLC_SUCCESS;
412
413 error:
414 Close( p_this );
415 return i_error;
416 }
417
418 /*****************************************************************************
419 * DemuxClose:
420 *****************************************************************************/
421 static void Close( vlc_object_t *p_this )
422 {
423 demux_t *p_demux = (demux_t*)p_this;
424 demux_sys_t *p_sys = p_demux->p_sys;
425
426 if( p_sys->rtsp && p_sys->ms ) p_sys->rtsp->teardownMediaSession( *p_sys->ms );
427 if( p_sys->ms ) Medium::close( p_sys->ms );
428 if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp );
429 if( p_sys->env ) p_sys->env->reclaim();
430
431 for( int i = 0; i < p_sys->i_track; i++ )
432 {
433 live_track_t *tk = p_sys->track[i];
434
435 if( tk->b_muxed ) stream_Delete( tk->p_out_muxed );
436 es_format_Clean( &tk->fmt );
437 free( tk->p_buffer );
438 free( tk );
439 }
440
441 if( p_sys->i_track ) free( p_sys->track );
442 if( p_sys->p_out_asf ) stream_Delete( p_sys->p_out_asf );
443 if( p_sys->p_timeout )
444 {
445 vlc_cancel( p_sys->p_timeout->handle );
446 vlc_join( p_sys->p_timeout->handle, NULL );
447 free( p_sys->p_timeout );
448 }
449 delete p_sys->scheduler;
450 free( p_sys->p_sdp );
451 free( p_sys->psz_path );
452
453 vlc_UrlClean( &p_sys->url );
454
455 free( p_sys );
456 }
457
458 static inline const char *strempty( const char *s ) { return s?s:""; }
459 static inline Boolean toBool( bool b ) { return b?True:False; } // silly, no?
460
461 /*****************************************************************************
462 * Connect: connects to the RTSP server to setup the session DESCRIBE
463 *****************************************************************************/
464 static int Connect( demux_t *p_demux )
465 {
466 demux_sys_t *p_sys = p_demux->p_sys;
467 Authenticator authenticator;
468 char *psz_user = NULL;
469 char *psz_pwd = NULL;
470 char *psz_url = NULL;
471 char *psz_options = NULL;
472 char *p_sdp = NULL;
473 int i_http_port = 0;
474 int i_ret = VLC_SUCCESS;
475
476 /* Get the user name and password */
477 if( p_sys->url.psz_username || p_sys->url.psz_password )
478 {
479 /* Create the URL by stripping away the username/password part */
480 if( p_sys->url.i_port == 0 )
481 p_sys->url.i_port = 554;
482 if( asprintf( &psz_url, "rtsp://%s:%d%s",
483 strempty( p_sys->url.psz_host ),
484 p_sys->url.i_port,
485 strempty( p_sys->url.psz_path ) ) == -1 )
486 return VLC_ENOMEM;
487
488 psz_user = strdup( strempty( p_sys->url.psz_username ) );
489 psz_pwd = strdup( strempty( p_sys->url.psz_password ) );
490 }
491 else
492 {
493 if( asprintf( &psz_url, "rtsp://%s", p_sys->psz_path ) == -1 )
494 return VLC_ENOMEM;
495
496 psz_user = var_CreateGetString( p_demux, "rtsp-user" );
497 psz_pwd = var_CreateGetString( p_demux, "rtsp-pwd" );
498 }
499
500 createnew:
501 if( !vlc_object_alive (p_demux) )
502 {
503 i_ret = VLC_EGENERIC;
504 goto bailout;
505 }
506
507 if( var_CreateGetBool( p_demux, "rtsp-http" ) )
508 i_http_port = var_CreateGetInteger( p_demux, "rtsp-http-port" );
509
510 if( ( p_sys->rtsp = RTSPClient::createNew( *p_sys->env,
511 var_CreateGetInteger( p_demux, "verbose" ) > 1,
512 "LibVLC/"VERSION, i_http_port ) ) == NULL )
513 {
514 msg_Err( p_demux, "RTSPClient::createNew failed (%s)",
515 p_sys->env->getResultMsg() );
516 i_ret = VLC_EGENERIC;
517 goto bailout;
518 }
519
520 /* Kasenna enables KeepAlive by analysing the User-Agent string.
521 * Appending _KA to the string should be enough to enable this feature,
522 * however, there is a bug where the _KA doesn't get parsed from the
523 * default User-Agent as created by VLC/Live555 code. This is probably due
524 * to spaces in the string or the string being too long. Here we override
525 * the default string with a more compact version.
526 */
527 if( var_CreateGetBool( p_demux, "rtsp-kasenna" ))
528 {
529 p_sys->rtsp->setUserAgentString( "VLC_MEDIA_PLAYER_KA" );
530 }
531
532 describe:
533 authenticator.setUsernameAndPassword( psz_user, psz_pwd );
534
535 /* */
536 { /* i_timeout hack scope */
537 #if LIVEMEDIA_LIBRARY_VERSION_INT >= 1223337600
538 const int i_timeout = var_CreateGetInteger(p_demux, "ipv4-timeout") / 1000;
539 psz_options = p_sys->rtsp->sendOptionsCmd( psz_url, psz_user, psz_pwd,
540 &authenticator, i_timeout );
541 #else
542 psz_options = p_sys->rtsp->sendOptionsCmd( psz_url, psz_user, psz_pwd,
543 &authenticator );
544 #endif
545 if( psz_options == NULL && authenticator.realm() != NULL )
546 {
547 // try again, with the realm set this time
548 #if LIVEMEDIA_LIBRARY_VERSION_INT >= 1223337600
549 psz_options = p_sys->rtsp->sendOptionsCmd( psz_url, psz_user, psz_pwd,
550 &authenticator, i_timeout );
551 #else
552 psz_options = p_sys->rtsp->sendOptionsCmd( psz_url, psz_user, psz_pwd,
553 &authenticator );
554 #endif
555 }
556 if( psz_options )
557 p_sys->b_get_param = (bool)strstr( psz_options, "GET_PARAMETER" );
558 delete [] psz_options;
559
560 if( var_CreateGetBool( p_demux, "rtsp-wmserver" ) )
561 p_sys->b_get_param = true;
562
563 #if LIVEMEDIA_LIBRARY_VERSION_INT >= 1223337600
564 p_sdp = p_sys->rtsp->describeWithPassword( psz_url, psz_user, psz_pwd,
565 var_GetBool( p_demux, "rtsp-kasenna" ), i_timeout );
566 #else
567 p_sdp = p_sys->rtsp->describeWithPassword( psz_url, psz_user, psz_pwd,
568 var_GetBool( p_demux, "rtsp-kasenna" ) );
569 #endif
570 } /* i_timeout scope end */
571
572 if( p_sdp == NULL )
573 {
574 /* failure occurred */
575 int i_code = 0;
576 const char *psz_error = p_sys->env->getResultMsg();
577
578 if( var_GetBool( p_demux, "rtsp-http" ) )
579 sscanf( psz_error, "%*s %*s HTTP GET %*s HTTP/%*u.%*u %3u %*s",
580 &i_code );
581 else
582 {
583 const char *psz_tmp = strstr( psz_error, "RTSP" );
584 if( psz_tmp )
585 sscanf( psz_tmp, "RTSP/%*s%3u", &i_code );
586 else
587 i_code = 0;
588 }
589 msg_Dbg( p_demux, "DESCRIBE failed with %d: %s", i_code, psz_error );
590
591 if( i_code == 401 )
592 {
593 msg_Dbg( p_demux, "authentication failed" );
594
595 free( psz_user );
596 free( psz_pwd );
597 dialog_Login( p_demux, &psz_user, &psz_pwd,
598 _("RTSP authentication"), "%s",
599 _("Please enter a valid login name and a password.") );
600 if( psz_user != NULL && psz_pwd != NULL )
601 {
602 msg_Dbg( p_demux, "retrying with user=%s", psz_user );
603 goto describe;
604 }
605 }
606 else if( (i_code != 0) && !var_GetBool( p_demux, "rtsp-http" ) )
607 {
608 /* Perhaps a firewall is being annoying. Try HTTP tunneling mode */
609 msg_Dbg( p_demux, "we will now try HTTP tunneling mode" );
610 var_SetBool( p_demux, "rtsp-http", true );
611 if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp );
612 p_sys->rtsp = NULL;
613 goto createnew;
614 }
615 else
616 {
617 msg_Dbg( p_demux, "connection timeout" );
618 if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp );
619 p_sys->rtsp = NULL;
620 }
621 i_ret = VLC_EGENERIC;
622 }
623
624 free( p_sys->p_sdp );
625 p_sys->p_sdp = NULL;
626 if( p_sdp ) p_sys->p_sdp = strdup( (char*)p_sdp );
627 delete[] p_sdp;
628
629 bailout:
630 /* malloc-ated copy */
631 free( psz_url );
632 free( psz_user );
633 free( psz_pwd );
634
635 return i_ret;
636 }
637
638 /*****************************************************************************
639 * SessionsSetup: prepares the subsessions and does the SETUP
640 *****************************************************************************/
641 static int SessionsSetup( demux_t *p_demux )
642 {
643 demux_sys_t *p_sys = p_demux->p_sys;
644 MediaSubsessionIterator *iter = NULL;
645 MediaSubsession *sub = NULL;
646
647 bool b_rtsp_tcp = false;
648 int i_client_port;
649 int i_return = VLC_SUCCESS;
650 unsigned int i_buffer = 0;
651 unsigned const thresh = 200000; /* RTP reorder threshold .2 second (default .1) */
652
653 b_rtsp_tcp = var_CreateGetBool( p_demux, "rtsp-tcp" ) ||
654 var_GetBool( p_demux, "rtsp-http" );
655 i_client_port = var_CreateGetInteger( p_demux, "rtp-client-port" );
656
657 /* Create the session from the SDP */
658 if( !( p_sys->ms = MediaSession::createNew( *p_sys->env, p_sys->p_sdp ) ) )
659 {
660 msg_Err( p_demux, "Could not create the RTSP Session: %s",
661 p_sys->env->getResultMsg() );
662 return VLC_EGENERIC;
663 }
664
665 /* Initialise each media subsession */
666 iter = new MediaSubsessionIterator( *p_sys->ms );
667 while( ( sub = iter->next() ) != NULL )
668 {
669 Boolean bInit;
670 live_track_t *tk;
671
672 if( !vlc_object_alive (p_demux) )
673 {
674 delete iter;
675 return VLC_EGENERIC;
676 }
677
678 /* Value taken from mplayer */
679 if( !strcmp( sub->mediumName(), "audio" ) )
680 i_buffer = 100000;
681 else if( !strcmp( sub->mediumName(), "video" ) )
682 i_buffer = 2000000;
683 else if( !strcmp( sub->mediumName(), "text" ) )
684 ;
685 else continue;
686
687 if( i_client_port != -1 )
688 {
689 sub->setClientPortNum( i_client_port );
690 i_client_port += 2;
691 }
692
693 if( strcasestr( sub->codecName(), "REAL" ) )
694 {
695 msg_Info( p_demux, "real codec detected, using real-RTSP instead" );
696 p_sys->b_real = true; /* This is a problem, we'll handle it later */
697 continue;
698 }
699
700 if( !strcmp( sub->codecName(), "X-ASF-PF" ) )
701 bInit = sub->initiate( 0 );
702 else
703 bInit = sub->initiate();
704
705 if( !bInit )
706 {
707 msg_Warn( p_demux, "RTP subsession '%s/%s' failed (%s)",
708 sub->mediumName(), sub->codecName(),
709 p_sys->env->getResultMsg() );
710 }
711 else
712 {
713 if( sub->rtpSource() != NULL )
714 {
715 int fd = sub->rtpSource()->RTPgs()->socketNum();
716
717 /* Increase the buffer size */
718 if( i_buffer > 0 )
719 increaseReceiveBufferTo( *p_sys->env, fd, i_buffer );
720
721 /* Increase the RTP reorder timebuffer just a bit */
722 sub->rtpSource()->setPacketReorderingThresholdTime(thresh);
723 }
724 msg_Dbg( p_demux, "RTP subsession '%s/%s'", sub->mediumName(),
725 sub->codecName() );
726
727 /* Issue the SETUP */
728 if( p_sys->rtsp )
729 {
730 if( !p_sys->rtsp->setupMediaSubsession( *sub, False,
731 toBool( b_rtsp_tcp ),
732 toBool( p_sys->b_force_mcast && !b_rtsp_tcp ) ) )
733 {
734 /* if we get an unsupported transport error, toggle TCP
735 * use and try again */
736 if( !strstr(p_sys->env->getResultMsg(),
737 "461 Unsupported Transport")
738 || !p_sys->rtsp->setupMediaSubsession( *sub, False,
739 toBool( b_rtsp_tcp ), False ) )
740 {
741 msg_Err( p_demux, "SETUP of'%s/%s' failed %s",
742 sub->mediumName(), sub->codecName(),
743 p_sys->env->getResultMsg() );
744 continue;
745 }
746 }
747 }
748
749 /* Check if we will receive data from this subsession for
750 * this track */
751 if( sub->readSource() == NULL ) continue;
752 if( !p_sys->b_multicast )
753 {
754 /* We need different rollover behaviour for multicast */
755 p_sys->b_multicast = IsMulticastAddress( sub->connectionEndpointAddress() );
756 }
757
758 tk = (live_track_t*)malloc( sizeof( live_track_t ) );
759 if( !tk )
760 {
761 delete iter;
762 return VLC_ENOMEM;
763 }
764 tk->p_demux = p_demux;
765 tk->sub = sub;
766 tk->p_es = NULL;
767 tk->b_quicktime = false;
768 tk->b_asf = false;
769 tk->p_asf_block = NULL;
770 tk->b_muxed = false;
771 tk->b_discard_trunc = false;
772 tk->p_out_muxed = NULL;
773 tk->waiting = 0;
774 tk->b_rtcp_sync = false;
775 tk->i_pts = VLC_TS_INVALID;
776 tk->i_npt = 0.;
777 tk->i_buffer = 65536;
778 tk->p_buffer = (uint8_t *)malloc( 65536 );
779 if( !tk->p_buffer )
780 {
781 free( tk );
782 delete iter;
783 return VLC_ENOMEM;
784 }
785
786 /* Value taken from mplayer */
787 if( !strcmp( sub->mediumName(), "audio" ) )
788 {
789 es_format_Init( &tk->fmt, AUDIO_ES, VLC_FOURCC('u','n','d','f') );
790 tk->fmt.audio.i_channels = sub->numChannels();
791 tk->fmt.audio.i_rate = sub->rtpTimestampFrequency();
792
793 if( !strcmp( sub->codecName(), "MPA" ) ||
794 !strcmp( sub->codecName(), "MPA-ROBUST" ) ||
795 !strcmp( sub->codecName(), "X-MP3-DRAFT-00" ) )
796 {
797 tk->fmt.i_codec = VLC_CODEC_MPGA;
798 tk->fmt.audio.i_rate = 0;
799 }
800 else if( !strcmp( sub->codecName(), "AC3" ) )
801 {
802 tk->fmt.i_codec = VLC_CODEC_A52;
803 tk->fmt.audio.i_rate = 0;
804 }
805 else if( !strcmp( sub->codecName(), "L16" ) )
806 {
807 tk->fmt.i_codec = VLC_FOURCC( 't', 'w', 'o', 's' );
808 tk->fmt.audio.i_bitspersample = 16;
809 }
810 else if( !strcmp( sub->codecName(), "L8" ) )
811 {
812 tk->fmt.i_codec = VLC_FOURCC( 'a', 'r', 'a', 'w' );
813 tk->fmt.audio.i_bitspersample = 8;
814 }
815 else if( !strcmp( sub->codecName(), "PCMU" ) )
816 {
817 tk->fmt.i_codec = VLC_CODEC_MULAW;
818 }
819 else if( !strcmp( sub->codecName(), "PCMA" ) )
820 {
821 tk->fmt.i_codec = VLC_CODEC_ALAW;
822 }
823 else if( !strncmp( sub->codecName(), "G726", 4 ) )
824 {
825 tk->fmt.i_codec = VLC_CODEC_ADPCM_G726;
826 tk->fmt.audio.i_rate = 8000;
827 tk->fmt.audio.i_channels = 1;
828 if( !strcmp( sub->codecName()+5, "40" ) )
829 tk->fmt.i_bitrate = 40000;
830 else if( !strcmp( sub->codecName()+5, "32" ) )
831 tk->fmt.i_bitrate = 32000;
832 else if( !strcmp( sub->codecName()+5, "24" ) )
833 tk->fmt.i_bitrate = 24000;
834 else if( !strcmp( sub->codecName()+5, "16" ) )
835 tk->fmt.i_bitrate = 16000;
836 }
837 else if( !strcmp( sub->codecName(), "AMR" ) )
838 {
839 tk->fmt.i_codec = VLC_CODEC_AMR_NB;
840 }
841 else if( !strcmp( sub->codecName(), "AMR-WB" ) )
842 {
843 tk->fmt.i_codec = VLC_CODEC_AMR_WB;
844 }
845 else if( !strcmp( sub->codecName(), "MP4A-LATM" ) )
846 {
847 unsigned int i_extra;
848 uint8_t *p_extra;
849
850 tk->fmt.i_codec = VLC_CODEC_MP4A;
851
852 if( ( p_extra = parseStreamMuxConfigStr( sub->fmtp_config(),
853 i_extra ) ) )
854 {
855 tk->fmt.i_extra = i_extra;
856 tk->fmt.p_extra = xmalloc( i_extra );
857 memcpy( tk->fmt.p_extra, p_extra, i_extra );
858 delete[] p_extra;
859 }
860 /* Because the "faad" decoder does not handle the LATM
861 * data length field at the start of each returned LATM
862 * frame, tell the RTP source to omit it. */
863 ((MPEG4LATMAudioRTPSource*)sub->rtpSource())->omitLATMDataLengthField();
864 }
865 else if( !strcmp( sub->codecName(), "MPEG4-GENERIC" ) )
866 {
867 unsigned int i_extra;
868 uint8_t *p_extra;
869
870 tk->fmt.i_codec = VLC_CODEC_MP4A;
871
872 if( ( p_extra = parseGeneralConfigStr( sub->fmtp_config(),
873 i_extra ) ) )
874 {
875 tk->fmt.i_extra = i_extra;
876 tk->fmt.p_extra = xmalloc( i_extra );
877 memcpy( tk->fmt.p_extra, p_extra, i_extra );
878 delete[] p_extra;
879 }
880 }
881 else if( !strcmp( sub->codecName(), "X-ASF-PF" ) )
882 {
883 tk->b_asf = true;
884 if( p_sys->p_out_asf == NULL )
885 p_sys->p_out_asf = stream_DemuxNew( p_demux, "asf",
886 p_demux->out );
887 }
888 else if( !strcmp( sub->codecName(), "X-QT" ) ||
889 !strcmp( sub->codecName(), "X-QUICKTIME" ) )
890 {
891 tk->b_quicktime = true;
892 }
893 else if( !strcmp( sub->codecName(), "SPEEX" ) )
894 {
895 tk->fmt.i_codec = VLC_FOURCC( 's', 'p', 'x', 'r' );
896 if ( sub->rtpTimestampFrequency() )
897 tk->fmt.audio.i_rate = sub->rtpTimestampFrequency();
898 else
899 {
900 msg_Warn( p_demux,"Using 8kHz as default sample rate." );
901 tk->fmt.audio.i_rate = 8000;
902 }
903 }
904 }
905 else if( !strcmp( sub->mediumName(), "video" ) )
906 {
907 es_format_Init( &tk->fmt, VIDEO_ES, VLC_FOURCC('u','n','d','f') );
908 if( !strcmp( sub->codecName(), "MPV" ) )
909 {
910 tk->fmt.i_codec = VLC_CODEC_MPGV;
911 tk->fmt.b_packetized = false;
912 }
913 else if( !strcmp( sub->codecName(), "H263" ) ||
914 !strcmp( sub->codecName(), "H263-1998" ) ||
915 !strcmp( sub->codecName(), "H263-2000" ) )
916 {
917 tk->fmt.i_codec = VLC_CODEC_H263;
918 }
919 else if( !strcmp( sub->codecName(), "H261" ) )
920 {
921 tk->fmt.i_codec = VLC_CODEC_H261;
922 }
923 else if( !strcmp( sub->codecName(), "H264" ) )
924 {
925 unsigned int i_extra = 0;
926 uint8_t *p_extra = NULL;
927
928 tk->fmt.i_codec = VLC_CODEC_H264;
929 tk->fmt.b_packetized = false;
930
931 if((p_extra=parseH264ConfigStr( sub->fmtp_spropparametersets(),
932 i_extra ) ) )
933 {
934 tk->fmt.i_extra = i_extra;
935 tk->fmt.p_extra = xmalloc( i_extra );
936 memcpy( tk->fmt.p_extra, p_extra, i_extra );
937
938 delete[] p_extra;
939 }
940 }
941 else if( !strcmp( sub->codecName(), "JPEG" ) )
942 {
943 tk->fmt.i_codec = VLC_CODEC_MJPG;
944 }
945 else if( !strcmp( sub->codecName(), "MP4V-ES" ) )
946 {
947 unsigned int i_extra;
948 uint8_t *p_extra;
949
950 tk->fmt.i_codec = VLC_CODEC_MP4V;
951
952 if( ( p_extra = parseGeneralConfigStr( sub->fmtp_config(),
953 i_extra ) ) )
954 {
955 tk->fmt.i_extra = i_extra;
956 tk->fmt.p_extra = xmalloc( i_extra );
957 memcpy( tk->fmt.p_extra, p_extra, i_extra );
958 delete[] p_extra;
959 }
960 }
961 else if( !strcmp( sub->codecName(), "X-QT" ) ||
962 !strcmp( sub->codecName(), "X-QUICKTIME" ) ||
963 !strcmp( sub->codecName(), "X-QDM" ) ||
964 !strcmp( sub->codecName(), "X-SV3V-ES" ) ||
965 !strcmp( sub->codecName(), "X-SORENSONVIDEO" ) )
966 {
967 tk->b_quicktime = true;
968 }
969 else if( !strcmp( sub->codecName(), "MP2T" ) )
970 {
971 tk->b_muxed = true;
972 tk->p_out_muxed = stream_DemuxNew( p_demux, "ts", p_demux->out );
973 }
974 else if( !strcmp( sub->codecName(), "MP2P" ) ||
975 !strcmp( sub->codecName(), "MP1S" ) )
976 {
977 tk->b_muxed = true;
978 tk->p_out_muxed = stream_DemuxNew( p_demux, "ps",
979 p_demux->out );
980 }
981 else if( !strcmp( sub->codecName(), "X-ASF-PF" ) )
982 {
983 tk->b_asf = true;
984 if( p_sys->p_out_asf == NULL )
985 p_sys->p_out_asf = stream_DemuxNew( p_demux, "asf",
986 p_demux->out );;
987 }
988 else if( !strcmp( sub->codecName(), "DV" ) )
989 {
990 tk->b_muxed = true;
991 tk->b_discard_trunc = true;
992 tk->p_out_muxed = stream_DemuxNew( p_demux, "rawdv",
993 p_demux->out );
994 }
995 }
996 else if( !strcmp( sub->mediumName(), "text" ) )
997 {
998 es_format_Init( &tk->fmt, SPU_ES, VLC_FOURCC('u','n','d','f') );
999
1000 if( !strcmp( sub->codecName(), "T140" ) )
1001 {
1002 tk->fmt.i_codec = VLC_CODEC_ITU_T140;
1003 }
1004 }
1005
1006 if( !tk->b_quicktime && !tk->b_muxed && !tk->b_asf )
1007 {
1008 tk->p_es = es_out_Add( p_demux->out, &tk->fmt );
1009 }
1010
1011 if( sub->rtcpInstance() != NULL )
1012 {
1013 sub->rtcpInstance()->setByeHandler( StreamClose, tk );
1014 }
1015
1016 if( tk->p_es || tk->b_quicktime || tk->b_muxed || tk->b_asf )
1017 {
1018 /* Append */
1019 p_sys->track = (live_track_t**)xrealloc( p_sys->track,
1020 sizeof( live_track_t ) * ( p_sys->i_track + 1 ) );
1021 p_sys->track[p_sys->i_track++] = tk;
1022 }
1023 else
1024 {
1025 /* BUG ??? */
1026 msg_Err( p_demux, "unusable RTSP track. this should not happen" );
1027 es_format_Clean( &tk->fmt );
1028 free( tk );
1029 }
1030 }
1031 }
1032 delete iter;
1033 if( p_sys->i_track <= 0 ) i_return = VLC_EGENERIC;
1034
1035 /* Retrieve the starttime if possible */
1036 p_sys->i_npt_start = p_sys->ms->playStartTime();
1037
1038 /* Retrieve the duration if possible */
1039 p_sys->i_npt_length = p_sys->ms->playEndTime();
1040
1041 /* */
1042 msg_Dbg( p_demux, "setup start: %f stop:%f", p_sys->i_npt_start, p_sys->i_npt_length );
1043
1044 /* */
1045 p_sys->b_no_data = true;
1046 p_sys->i_no_data_ti = 0;
1047
1048 return i_return;
1049 }
1050
1051 /*****************************************************************************
1052 * Play: starts the actual playback of the stream
1053 *****************************************************************************/
1054 static int Play( demux_t *p_demux )
1055 {
1056 demux_sys_t *p_sys = p_demux->p_sys;
1057
1058 if( p_sys->rtsp )
1059 {
1060 /* The PLAY */
1061 if( !p_sys->rtsp->playMediaSession( *p_sys->ms, p_sys->i_npt_start, -1, 1 ) )
1062 {
1063 msg_Err( p_demux, "RTSP PLAY failed %s", p_sys->env->getResultMsg() );
1064 return VLC_EGENERIC;
1065 }
1066
1067 /* Retrieve the timeout value and set up a timeout prevention thread */
1068 p_sys->i_timeout = p_sys->rtsp->sessionTimeoutParameter();
1069 if( p_sys->i_timeout <= 0 )
1070 p_sys->i_timeout = 60; /* default value from RFC2326 */
1071
1072 /* start timeout-thread only if GET_PARAMETER is supported by the server */
1073 if( !p_sys->p_timeout && p_sys->b_get_param )
1074 {
1075 msg_Dbg( p_demux, "We have a timeout of %d seconds", p_sys->i_timeout );
1076 p_sys->p_timeout = (timeout_thread_t *)malloc( sizeof(timeout_thread_t) );
1077 if( p_sys->p_timeout )
1078 {
1079 memset( p_sys->p_timeout, 0, sizeof(timeout_thread_t) );
1080 p_sys->p_timeout->p_sys = p_demux->p_sys; /* lol, object recursion :D */
1081 if( vlc_clone( &p_sys->p_timeout->handle, TimeoutPrevention,
1082 p_sys->p_timeout, VLC_THREAD_PRIORITY_LOW ) )
1083 {
1084 msg_Err( p_demux, "cannot spawn liveMedia timeout thread" );
1085 free( p_sys->p_timeout );
1086 p_sys->p_timeout = NULL;
1087 }
1088 else
1089 msg_Dbg( p_demux, "spawned timeout thread" );
1090 }
1091 else
1092 msg_Err( p_demux, "cannot spawn liveMedia timeout thread" );
1093 }
1094 }
1095 p_sys->i_pcr = 0;
1096
1097 /* Retrieve the starttime if possible */
1098 p_sys->i_npt_start = p_sys->ms->playStartTime();
1099 if( p_sys->ms->playEndTime() > 0 )
1100 p_sys->i_npt_length = p_sys->ms->playEndTime();
1101
1102 msg_Dbg( p_demux, "play start: %f stop:%f", p_sys->i_npt_start, p_sys->i_npt_length );
1103 return VLC_SUCCESS;
1104 }
1105
1106
1107 /*****************************************************************************
1108 * Demux:
1109 *****************************************************************************/
1110 static int Demux( demux_t *p_demux )
1111 {
1112 demux_sys_t *p_sys = p_demux->p_sys;
1113 TaskToken task;
1114
1115 bool b_send_pcr = true;
1116 int64_t i_pcr = 0;
1117 int i;
1118
1119 /* Check if we need to send the server a Keep-A-Live signal */
1120 if( p_sys->b_timeout_call && p_sys->rtsp && p_sys->ms )
1121 {
1122 char *psz_bye = NULL;
1123 p_sys->rtsp->getMediaSessionParameter( *p_sys->ms, NULL, psz_bye );
1124 p_sys->b_timeout_call = false;
1125 }
1126
1127 for( i = 0; i < p_sys->i_track; i++ )
1128 {
1129 live_track_t *tk = p_sys->track[i];
1130
1131 if( tk->b_asf || tk->b_muxed )
1132 b_send_pcr = false;
1133 #if 0
1134 if( i_pcr == 0 )
1135 {
1136 i_pcr = tk->i_pts;
1137 }
1138 else if( tk->i_pts != 0 && i_pcr > tk->i_pts )
1139 {
1140 i_pcr = tk->i_pts ;
1141 }
1142 #endif
1143 }
1144 if( p_sys->i_pcr > 0 )
1145 {
1146 if( b_send_pcr )
1147 es_out_Control( p_demux->out, ES_OUT_SET_PCR, 1 + p_sys->i_pcr );
1148 }
1149
1150 /* First warn we want to read data */
1151 p_sys->event = 0;
1152 for( i = 0; i < p_sys->i_track; i++ )
1153 {
1154 live_track_t *tk = p_sys->track[i];
1155
1156 if( tk->waiting == 0 )
1157 {
1158 tk->waiting = 1;
1159 tk->sub->readSource()->getNextFrame( tk->p_buffer, tk->i_buffer,
1160 StreamRead, tk, StreamClose, tk );
1161 }
1162 }
1163 /* Create a task that will be called if we wait more than 300ms */
1164 task = p_sys->scheduler->scheduleDelayedTask( 300000, TaskInterrupt, p_demux );
1165
1166 /* Do the read */
1167 p_sys->scheduler->doEventLoop( &p_sys->event );
1168
1169 /* remove the task */
1170 p_sys->scheduler->unscheduleDelayedTask( task );
1171
1172 /* Check for gap in pts value */
1173 for( i = 0; i < p_sys->i_track; i++ )
1174 {
1175 live_track_t *tk = p_sys->track[i];
1176
1177 if( !tk->b_muxed && !tk->b_rtcp_sync &&
1178 tk->sub->rtpSource() && tk->sub->rtpSource()->hasBeenSynchronizedUsingRTCP() )
1179 {
1180 msg_Dbg( p_demux, "tk->rtpSource->hasBeenSynchronizedUsingRTCP()" );
1181
1182 es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
1183 tk->b_rtcp_sync = true;
1184 /* reset PCR */
1185 tk->i_pts = VLC_TS_INVALID;
1186 tk->i_npt = 0.;
1187 p_sys->i_pcr = 0;
1188 p_sys->i_npt = 0.;
1189 i_pcr = 0;
1190 }
1191 }
1192
1193 if( p_sys->b_multicast && p_sys->b_no_data &&
1194 ( p_sys->i_no_data_ti > 120 ) )
1195 {
1196 /* FIXME Make this configurable
1197 msg_Err( p_demux, "no multicast data received in 36s, aborting" );
1198 return 0;
1199 */
1200 }
1201 else if( !p_sys->b_multicast && !p_sys->b_paused &&
1202 p_sys->b_no_data && ( p_sys->i_no_data_ti > 34 ) )
1203 {
1204 bool b_rtsp_tcp = var_GetBool( p_demux, "rtsp-tcp" ) ||
1205 var_GetBool( p_demux, "rtsp-http" );
1206
1207 if( !b_rtsp_tcp && p_sys->rtsp && p_sys->ms )
1208 {
1209 msg_Warn( p_demux, "no data received in 10s. Switching to TCP" );
1210 if( RollOverTcp( p_demux ) )
1211 {
1212 msg_Err( p_demux, "TCP rollover failed, aborting" );
1213 return 0;
1214 }
1215 return 1;
1216 }
1217 msg_Err( p_demux, "no data received in 10s, aborting" );
1218 return 0;
1219 }
1220 else if( !p_sys->b_multicast && !p_sys->b_paused &&
1221 ( p_sys->i_no_data_ti > 34 ) )
1222 {
1223 /* EOF ? */
1224 msg_Warn( p_demux, "no data received in 10s, eof ?" );
1225 return 0;
1226 }
1227 return p_sys->b_error ? 0 : 1;
1228 }
1229
1230 /*****************************************************************************
1231 * Control:
1232 *****************************************************************************/
1233 static int Control( demux_t *p_demux, int i_query, va_list args )
1234 {
1235 demux_sys_t *p_sys = p_demux->p_sys;
1236 int64_t *pi64, i64;
1237 double *pf, f;
1238 bool *pb, *pb2;
1239 int *pi_int;
1240
1241 switch( i_query )
1242 {
1243 case DEMUX_GET_TIME:
1244 pi64 = (int64_t*)va_arg( args, int64_t * );
1245 if( p_sys->i_npt > 0 )
1246 {
1247 *pi64 = (int64_t)(p_sys->i_npt * 1000000.);
1248 return VLC_SUCCESS;
1249 }
1250 return VLC_EGENERIC;
1251
1252 case DEMUX_GET_LENGTH:
1253 pi64 = (int64_t*)va_arg( args, int64_t * );
1254 if( p_sys->i_npt_length > 0 )
1255 {
1256 *pi64 = (int64_t)((double)p_sys->i_npt_length * 1000000.0);
1257 return VLC_SUCCESS;
1258 }
1259 return VLC_EGENERIC;
1260
1261 case DEMUX_GET_POSITION:
1262 pf = (double*)va_arg( args, double* );
1263 if( (p_sys->i_npt_length > 0) && (p_sys->i_npt > 0) )
1264 {
1265 *pf = ( (double)p_sys->i_npt / (double)p_sys->i_npt_length );
1266 return VLC_SUCCESS;
1267 }
1268 return VLC_EGENERIC;
1269
1270 case DEMUX_SET_POSITION:
1271 case DEMUX_SET_TIME:
1272 if( p_sys->rtsp && (p_sys->i_npt_length > 0) )
1273 {
1274 int i;
1275 float time;
1276
1277 if( (i_query == DEMUX_SET_TIME) && (p_sys->i_npt > 0) )
1278 {
1279 i64 = (int64_t)va_arg( args, int64_t );
1280 time = (float)((double)i64 / (double)1000000.0); /* in second */
1281 }
1282 else if( i_query == DEMUX_SET_TIME )
1283 return VLC_EGENERIC;
1284 else
1285 {
1286 f = (double)va_arg( args, double );
1287 time = f * (double)p_sys->i_npt_length; /* in second */
1288 }
1289
1290 if( p_sys->b_paused )
1291 {
1292 p_sys->f_seek_request = time;
1293 return VLC_SUCCESS;
1294 }
1295
1296 if( !p_sys->rtsp->pauseMediaSession( *p_sys->ms ) )
1297 {
1298 msg_Err( p_demux, "PAUSE before seek failed %s",
1299 p_sys->env->getResultMsg() );
1300 return VLC_EGENERIC;
1301 }
1302 if( !p_sys->rtsp->playMediaSession( *p_sys->ms, time, -1, 1 ) )
1303 {
1304 msg_Err( p_demux, "seek PLAY failed %s",
1305 p_sys->env->getResultMsg() );
1306 return VLC_EGENERIC;
1307 }
1308 p_sys->i_pcr = 0;
1309
1310 /* Retrieve RTP-Info values */
1311 for( i = 0; i < p_sys->i_track; i++ )
1312 {
1313 p_sys->track[i]->b_rtcp_sync = false;
1314 p_sys->track[i]->i_pts = VLC_TS_INVALID;
1315 }
1316
1317 /* Retrieve the starttime if possible */
1318 p_sys->i_npt = p_sys->i_npt_start = p_sys->ms->playStartTime();
1319
1320 /* Retrieve the duration if possible */
1321 if( p_sys->ms->playEndTime() > 0 )
1322 p_sys->i_npt_length = p_sys->ms->playEndTime();
1323
1324 msg_Dbg( p_demux, "seek start: %f stop:%f", p_sys->i_npt_start, p_sys->i_npt_length );
1325 return VLC_SUCCESS;
1326 }
1327 return VLC_EGENERIC;
1328
1329 /* Special for access_demux */
1330 case DEMUX_CAN_PAUSE:
1331 case DEMUX_CAN_SEEK:
1332 pb = (bool*)va_arg( args, bool * );
1333 if( p_sys->rtsp && p_sys->i_npt_length > 0 )
1334 /* Not always true, but will be handled in SET_PAUSE_STATE */
1335 *pb = true;
1336 else
1337 *pb = false;
1338 return VLC_SUCCESS;
1339
1340 case DEMUX_CAN_CONTROL_PACE:
1341 pb = (bool*)va_arg( args, bool * );
1342
1343 #if 1 /* Disable for now until we have a clock synchro algo
1344 * which works with something else than MPEG over UDP */
1345 *pb = false;
1346 #else
1347 *pb = true;
1348 #endif
1349 return VLC_SUCCESS;
1350
1351 case DEMUX_CAN_CONTROL_RATE:
1352 pb = (bool*)va_arg( args, bool * );
1353 pb2 = (bool*)va_arg( args, bool * );
1354
1355 *pb = (p_sys->rtsp != NULL) &&
1356 (p_sys->i_npt_length > 0) &&
1357 ( !var_GetBool( p_demux, "rtsp-kasenna" ) ||
1358 !var_GetBool( p_demux, "rtsp-wmserver" ) );
1359 *pb2 = false;
1360 return VLC_SUCCESS;
1361
1362 case DEMUX_SET_RATE:
1363 {
1364 double f_scale, f_old_scale;
1365
1366 if( !p_sys->rtsp || (p_sys->i_npt_length <= 0) ||
1367 var_GetBool( p_demux, "rtsp-kasenna" ) ||
1368 var_GetBool( p_demux, "rtsp-wmserver" ) )
1369 return VLC_EGENERIC;
1370
1371 /* According to RFC 2326 p56 chapter 12.35 a RTSP server that
1372 * supports Scale:
1373 *
1374 * "[...] should try to approximate the viewing rate, but
1375 * may restrict the range of scale values that it supports.
1376 * The response MUST contain the actual scale value chosen
1377 * by the server."
1378 *
1379 * Scale = 1 indicates normal play
1380 * Scale > 1 indicates fast forward
1381 * Scale < 1 && Scale > 0 indicates slow motion
1382 * Scale < 0 value indicates rewind
1383 */
1384
1385 pi_int = (int*)va_arg( args, int * );
1386 f_scale = (double)INPUT_RATE_DEFAULT / (*pi_int);
1387 f_old_scale = p_sys->ms->scale();
1388
1389 /* Passing -1 for the start and end time will mean liveMedia won't
1390 * create a Range: section for the RTSP message. The server should
1391 * pick up from the current position */
1392 if( !p_sys->rtsp->playMediaSession( *p_sys->ms, -1, -1, f_scale ) )
1393 {
1394 msg_Err( p_demux, "PLAY with Scale %0.2f failed %s", f_scale,
1395 p_sys->env->getResultMsg() );
1396 return VLC_EGENERIC;
1397 }
1398
1399 if( p_sys->ms->scale() == f_old_scale )
1400 {
1401 msg_Err( p_demux, "no scale change using old Scale %0.2f",
1402 p_sys->ms->scale() );
1403 return VLC_EGENERIC;
1404 }
1405
1406 /* ReSync the stream */
1407 p_sys->i_npt_start = 0;
1408 p_sys->i_pcr = 0;
1409 p_sys->i_npt = 0.0;
1410
1411 *pi_int = (int)( INPUT_RATE_DEFAULT / p_sys->ms->scale() );
1412 msg_Dbg( p_demux, "PLAY with new Scale %0.2f (%d)", p_sys->ms->scale(), (*pi_int) );
1413 return VLC_SUCCESS;
1414 }
1415
1416 case DEMUX_SET_PAUSE_STATE:
1417 {
1418 bool b_pause = (bool)va_arg( args, int );
1419 if( p_sys->rtsp == NULL )
1420 return VLC_EGENERIC;
1421
1422 if( b_pause == p_sys->b_paused )
1423 return VLC_SUCCESS;
1424 if( ( b_pause && !p_sys->rtsp->pauseMediaSession( *p_sys->ms ) ) ||
1425 ( !b_pause && !p_sys->rtsp->playMediaSession( *p_sys->ms,
1426 p_sys->f_seek_request, -1.0f, p_sys->ms->scale() ) ) )
1427 {
1428 msg_Err( p_demux, "PLAY or PAUSE failed %s", p_sys->env->getResultMsg() );
1429 return VLC_EGENERIC;
1430 }
1431 p_sys->f_seek_request = -1;
1432 p_sys->b_paused = b_pause;
1433
1434 /* When we Pause, we'll need the TimeoutPrevention thread to
1435 * handle sending the "Keep Alive" message to the server.
1436 * Unfortunately Live555 isn't thread safe and so can't
1437 * do this normally while the main Demux thread is handling
1438 * a live stream. We end up with the Timeout thread blocking
1439 * waiting for a response from the server. So when we PAUSE
1440 * we set a flag that the TimeoutPrevention function will check
1441 * and if it's set, it will trigger the GET_PARAMETER message */
1442 if( p_sys->b_paused && p_sys->p_timeout != NULL )
1443 p_sys->p_timeout->b_handle_keep_alive = true;
1444 else if( !p_sys->b_paused && p_sys->p_timeout != NULL )
1445 p_sys->p_timeout->b_handle_keep_alive = false;
1446
1447 if( !p_sys->b_paused )
1448 {
1449 for( int i = 0; i < p_sys->i_track; i++ )
1450 {
1451 live_track_t *tk = p_sys->track[i];
1452 tk->b_rtcp_sync = false;
1453 tk->i_pts = VLC_TS_INVALID;
1454 p_sys->i_pcr = 0;
1455 es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
1456 }
1457 }
1458
1459 /* Reset data received counter */
1460 p_sys->i_no_data_ti = 0;
1461
1462 /* Retrieve the starttime if possible */
1463 p_sys->i_npt_start = p_sys->ms->playStartTime();
1464
1465 /* Retrieve the duration if possible */
1466 if( p_sys->ms->playEndTime() )
1467 p_sys->i_npt_length = p_sys->ms->playEndTime();
1468
1469 msg_Dbg( p_demux, "pause start: %f stop:%f", p_sys->i_npt_start, p_sys->i_npt_length );
1470 return VLC_SUCCESS;
1471 }
1472 case DEMUX_GET_TITLE_INFO:
1473 case DEMUX_SET_TITLE:
1474 case DEMUX_SET_SEEKPOINT:
1475 return VLC_EGENERIC;
1476
1477 case DEMUX_GET_PTS_DELAY:
1478 pi64 = (int64_t*)va_arg( args, int64_t * );
1479 *pi64 = var_GetInteger( p_demux, "rtsp-caching" ) * 1000;
1480 return VLC_SUCCESS;
1481
1482 default:
1483 return VLC_EGENERIC;
1484 }
1485 }
1486
1487 /*****************************************************************************
1488 * RollOverTcp: reopen the rtsp into TCP mode
1489 * XXX: ugly, a lot of code are duplicated from Open()
1490 * This should REALLY be fixed
1491 *****************************************************************************/
1492 static int RollOverTcp( demux_t *p_demux )
1493 {
1494 demux_sys_t *p_sys = p_demux->p_sys;
1495 int i, i_return;
1496
1497 var_SetBool( p_demux, "rtsp-tcp", true );
1498
1499 /* We close the old RTSP session */
1500 for( i = 0; i < p_sys->i_track; i++ )
1501 {
1502 live_track_t *tk = p_sys->track[i];
1503
1504 if( tk->b_muxed ) stream_Delete( tk->p_out_muxed );
1505 if( tk->p_es ) es_out_Del( p_demux->out, tk->p_es );
1506 if( tk->p_asf_block ) block_Release( tk->p_asf_block );
1507 es_format_Clean( &tk->fmt );
1508 free( tk->p_buffer );
1509 free( tk );
1510 }
1511 if( p_sys->i_track ) free( p_sys->track );
1512 if( p_sys->p_out_asf ) stream_Delete( p_sys->p_out_asf );
1513
1514 p_sys->rtsp->teardownMediaSession( *p_sys->ms );
1515 Medium::close( p_sys->ms );
1516 RTSPClient::close( p_sys->rtsp );
1517
1518 p_sys->ms = NULL;
1519 p_sys->rtsp = NULL;
1520 p_sys->track = NULL;
1521 p_sys->i_track = 0;
1522 p_sys->b_no_data = true;
1523 p_sys->i_no_data_ti = 0;
1524 p_sys->p_out_asf = NULL;
1525
1526 /* Reopen rtsp client */
1527 if( ( i_return = Connect( p_demux ) ) != VLC_SUCCESS )
1528 {
1529 msg_Err( p_demux, "Failed to connect with rtsp://%s",
1530 p_sys->psz_path );
1531 goto error;
1532 }
1533
1534 if( p_sys->p_sdp == NULL )
1535 {
1536 msg_Err( p_demux, "Failed to retrieve the RTSP Session Description" );
1537 goto error;
1538 }
1539
1540 if( ( i_return = SessionsSetup( p_demux ) ) != VLC_SUCCESS )
1541 {
1542 msg_Err( p_demux, "Nothing to play for rtsp://%s", p_sys->psz_path );
1543 goto error;
1544 }
1545
1546 if( ( i_return = Play( p_demux ) ) != VLC_SUCCESS )
1547 goto error;
1548
1549 return VLC_SUCCESS;
1550
1551 error:
1552 return VLC_EGENERIC;
1553 }
1554
1555
1556 /*****************************************************************************
1557 *
1558 *****************************************************************************/
1559 static block_t *StreamParseAsf( demux_t *p_demux, live_track_t *tk,
1560 bool b_marker,
1561 const uint8_t *p_data, unsigned i_size )
1562 {
1563 const unsigned i_packet_size = p_demux->p_sys->asfh.i_min_data_packet_size;
1564 block_t *p_list = NULL;
1565
1566 while( i_size >= 4 )
1567 {
1568 unsigned i_flags = p_data[0];
1569 unsigned i_length_offset = (p_data[1] << 16) |
1570 (p_data[2] << 8) |
1571 (p_data[3] );
1572 bool b_key = i_flags & 0x80;
1573 bool b_length = i_flags & 0x40;
1574 bool b_relative_ts = i_flags & 0x20;
1575 bool b_duration = i_flags & 0x10;
1576 bool b_location_id = i_flags & 0x08;
1577
1578 //msg_Dbg( p_demux, "ASF: marker=%d size=%d : %c=%d id=%d",
1579 // b_marker, i_size, b_length ? 'L' : 'O', i_length_offset );
1580 unsigned i_header_size = 4;
1581 if( b_relative_ts )
1582 i_header_size += 4;
1583 if( b_duration )
1584 i_header_size += 4;
1585 if( b_location_id )
1586 i_header_size += 4;
1587
1588 if( i_header_size > i_size )
1589 {
1590 msg_Warn( p_demux, "Invalid header size" );
1591 break;
1592 }
1593
1594 /* XXX
1595 * When b_length is true, the streams I found do not seems to respect
1596 * the documentation.
1597 * From them, I have failed to find which choice between '__MIN()' or
1598 * 'i_length_offset - i_header_size' is the right one.
1599 */
1600 unsigned i_payload;
1601 if( b_length )
1602 i_payload = __MIN( i_length_offset, i_size - i_header_size);
1603 else
1604 i_payload = i_size - i_header_size;
1605
1606 if( !tk->p_asf_block )
1607 {
1608 tk->p_asf_block = block_New( p_demux, i_packet_size );
1609 if( !tk->p_asf_block )
1610 break;
1611 tk->p_asf_block->i_buffer = 0;
1612 }
1613 unsigned i_offset = b_length ? 0 : i_length_offset;
1614 if( i_offset == tk->p_asf_block->i_buffer && i_offset + i_payload <= i_packet_size )
1615 {
1616 memcpy( &tk->p_asf_block->p_buffer[i_offset], &p_data[i_header_size], i_payload );
1617 tk->p_asf_block->i_buffer += i_payload;
1618 if( b_marker )
1619 {
1620 /* We have a complete packet */
1621 tk->p_asf_block->i_buffer = i_packet_size;
1622 block_ChainAppend( &p_list, tk->p_asf_block );
1623 tk->p_asf_block = NULL;
1624 }
1625 }
1626 else
1627 {
1628 /* Reset on broken stream */
1629 msg_Err( p_demux, "Broken packet detected (%d vs %d or %d + %d vs %d)",
1630 i_offset, tk->p_asf_block->i_buffer, i_offset, i_payload, i_packet_size);
1631 tk->p_asf_block->i_buffer = 0;
1632 }
1633
1634 /* */
1635 p_data += i_header_size + i_payload;
1636 i_size -= i_header_size + i_payload;
1637 }
1638 return p_list;
1639 }
1640
1641 /*****************************************************************************
1642 *
1643 *****************************************************************************/
1644 static void StreamRead( void *p_private, unsigned int i_size,
1645 unsigned int i_truncated_bytes, struct timeval pts,
1646 unsigned int duration )
1647 {
1648 live_track_t *tk = (live_track_t*)p_private;
1649 demux_t *p_demux = tk->p_demux;
1650 demux_sys_t *p_sys = p_demux->p_sys;
1651 block_t *p_block;
1652
1653 //msg_Dbg( p_demux, "pts: %d", pts.tv_sec );
1654
1655 int64_t i_pts = (int64_t)pts.tv_sec * INT64_C(1000000) +
1656 (int64_t)pts.tv_usec;
1657
1658 /* XXX Beurk beurk beurk Avoid having negative value XXX */
1659 i_pts &= INT64_C(0x00ffffffffffffff);
1660
1661 /* Retrieve NPT for this pts */
1662 tk->i_npt = tk->sub->getNormalPlayTime(pts);
1663
1664 if( tk->b_quicktime && tk->p_es == NULL )
1665 {
1666 QuickTimeGenericRTPSource *qtRTPSource =
1667 (QuickTimeGenericRTPSource*)tk->sub->rtpSource();
1668 QuickTimeGenericRTPSource::QTState &qtState = qtRTPSource->qtState;
1669 uint8_t *sdAtom = (uint8_t*)&qtState.sdAtom[4];
1670
1671 if( tk->fmt.i_cat == VIDEO_ES ) {
1672 if( qtState.sdAtomSize < 16 + 32 )
1673 {
1674 /* invalid */
1675 p_sys->event = 0xff;
1676 tk->waiting = 0;
1677 return;
1678 }
1679 tk->fmt.i_codec = VLC_FOURCC(sdAtom[0],sdAtom[1],sdAtom[2],sdAtom[3]);
1680 tk->fmt.video.i_width = (sdAtom[28] << 8) | sdAtom[29];
1681 tk->fmt.video.i_height = (sdAtom[30] << 8) | sdAtom[31];
1682
1683 if( tk->fmt.i_codec == VLC_FOURCC('a', 'v', 'c', '1') )
1684 {
1685 uint8_t *pos = (uint8_t*)qtRTPSource->qtState.sdAtom + 86;
1686 uint8_t *endpos = (uint8_t*)qtRTPSource->qtState.sdAtom
1687 + qtRTPSource->qtState.sdAtomSize;
1688 while (pos+8 < endpos) {
1689 unsigned int atomLength = pos[0]<<24 | pos[1]<<16 | pos[2]<<8 | pos[3];
1690 if( atomLength == 0 || atomLength > (unsigned int)(endpos-pos)) break;
1691 if( memcmp(pos+4, "avcC", 4) == 0 &&
1692 atomLength > 8 &&
1693 atomLength <= INT_MAX )
1694 {
1695 tk->fmt.i_extra = atomLength-8;
1696 tk->fmt.p_extra = xmalloc( tk->fmt.i_extra );
1697 memcpy(tk->fmt.p_extra, pos+8, atomLength-8);
1698 break;
1699 }
1700 pos += atomLength;
1701 }
1702 }
1703 else
1704 {
1705 tk->fmt.i_extra = qtState.sdAtomSize - 16;
1706 tk->fmt.p_extra = xmalloc( tk->fmt.i_extra );
1707 memcpy( tk->fmt.p_extra, &sdAtom[12], tk->fmt.i_extra );
1708 }
1709 }
1710 else {
1711 if( qtState.sdAtomSize < 4 )
1712 {
1713 /* invalid */
1714 p_sys->event = 0xff;
1715 tk->waiting = 0;
1716 return;
1717 }
1718 tk->fmt.i_codec = VLC_FOURCC(sdAtom[0],sdAtom[1],sdAtom[2],sdAtom[3]);
1719 }
1720 tk->p_es = es_out_Add( p_demux->out, &tk->fmt );
1721 }
1722
1723 #if 0
1724 fprintf( stderr, "StreamRead size=%d pts=%lld\n",
1725 i_size,
1726 pts.tv_sec * 1000000LL + pts.tv_usec );
1727 #endif
1728
1729 /* grow buffer if it looks like buffer is too small, but don't eat
1730 * up all the memory on strange streams */
1731 if( i_truncated_bytes > 0 )
1732 {
1733 if( tk->i_buffer < 2000000 )
1734 {
1735 void *p_tmp;
1736 msg_Dbg( p_demux, "lost %d bytes", i_truncated_bytes );
1737 msg_Dbg( p_demux, "increasing buffer size to %d", tk->i_buffer * 2 );
1738 p_tmp = realloc( tk->p_buffer, tk->i_buffer * 2 );
1739 if( p_tmp == NULL )
1740 {
1741 msg_Warn( p_demux, "realloc failed" );
1742 }
1743 else
1744 {
1745 tk->p_buffer = (uint8_t*)p_tmp;
1746 tk->i_buffer *= 2;
1747 }
1748 }
1749
1750 if( tk->b_discard_trunc )
1751 {
1752 p_sys->event = 0xff;
1753 tk->waiting = 0;
1754 return;
1755 }
1756 }
1757
1758 assert( i_size <= tk->i_buffer );
1759
1760 if( tk->fmt.i_codec == VLC_CODEC_AMR_NB ||
1761 tk->fmt.i_codec == VLC_CODEC_AMR_WB )
1762 {
1763 AMRAudioSource *amrSource = (AMRAudioSource*)tk->sub->readSource();
1764
1765 p_block = block_New( p_demux, i_size + 1 );
1766 p_block->p_buffer[0] = amrSource->lastFrameHeader();
1767 memcpy( p_block->p_buffer + 1, tk->p_buffer, i_size );
1768 }
1769 else if( tk->fmt.i_codec == VLC_CODEC_H261 )
1770 {
1771 H261VideoRTPSource *h261Source = (H261VideoRTPSource*)tk->sub->rtpSource();
1772 uint32_t header = h261Source->lastSpecialHeader();
1773 p_block = block_New( p_demux, i_size + 4 );
1774 memcpy( p_block->p_buffer, &header, 4 );
1775 memcpy( p_block->p_buffer + 4, tk->p_buffer, i_size );
1776
1777 if( tk->sub->rtpSource()->curPacketMarkerBit() )
1778 p_block->i_flags |= BLOCK_FLAG_END_OF_FRAME;
1779 }
1780 else if( tk->fmt.i_codec == VLC_CODEC_H264 )
1781 {
1782 if( (tk->p_buffer[0] & 0x1f) >= 24 )
1783 msg_Warn( p_demux, "unsupported NAL type for H264" );
1784
1785 /* Normal NAL type */
1786 p_block = block_New( p_demux, i_size + 4 );
1787 p_block->p_buffer[0] = 0x00;
1788 p_block->p_buffer[1] = 0x00;
1789 p_block->p_buffer[2] = 0x00;
1790 p_block->p_buffer[3] = 0x01;
1791 memcpy( &p_block->p_buffer[4], tk->p_buffer, i_size );
1792 }
1793 else if( tk->b_asf )
1794 {
1795 p_block = StreamParseAsf( p_demux, tk,
1796 tk->sub->rtpSource()->curPacketMarkerBit(),
1797 tk->p_buffer, i_size );
1798 }
1799 else
1800 {
1801 p_block = block_New( p_demux, i_size );
1802 memcpy( p_block->p_buffer, tk->p_buffer, i_size );
1803 }
1804
1805 if( p_sys->i_pcr < i_pts )
1806 {
1807 p_sys->i_pcr = i_pts;
1808 }
1809
1810 /* Update our global npt value */
1811 if( tk->i_npt > 0 && tk->i_npt > p_sys->i_npt && tk->i_npt < p_sys->i_npt_length)
1812 p_sys->i_npt = tk->i_npt;
1813
1814 if( p_block )
1815 {
1816 if( !tk->b_muxed && !tk->b_asf )
1817 {
1818 if( i_pts != tk->i_pts )
1819 p_block->i_pts = VLC_TS_0 + i_pts;
1820 /*FIXME: for h264 you should check that packetization-mode=1 in sdp-file */
1821 p_block->i_dts = ( tk->fmt.i_codec == VLC_CODEC_MPGV ) ? VLC_TS_INVALID : (VLC_TS_0 + i_pts);
1822 }
1823
1824 if( tk->b_muxed )
1825 stream_DemuxSend( tk->p_out_muxed, p_block );
1826 else if( tk->b_asf )
1827 stream_DemuxSend( p_sys->p_out_asf, p_block );
1828 else
1829 es_out_Send( p_demux->out, tk->p_es, p_block );
1830 }
1831
1832 /* warn that's ok */
1833 p_sys->event = 0xff;
1834
1835 /* we have read data */
1836 tk->waiting = 0;
1837 p_demux->p_sys->b_no_data = false;
1838 p_demux->p_sys->i_no_data_ti = 0;
1839
1840 if( i_pts > 0 && !tk->b_muxed )
1841 {
1842 tk->i_pts = i_pts;
1843 }
1844 }
1845
1846 /*****************************************************************************
1847 *
1848 *****************************************************************************/
1849 static void StreamClose( void *p_private )
1850 {
1851 live_track_t *tk = (live_track_t*)p_private;
1852 demux_t *p_demux = tk->p_demux;
1853 demux_sys_t *p_sys = p_demux->p_sys;
1854
1855 msg_Dbg( p_demux, "StreamClose" );
1856
1857 p_sys->event = 0xff;
1858 p_sys->b_error = true;
1859 }
1860
1861
1862 /*****************************************************************************
1863 *
1864 *****************************************************************************/
1865 static void TaskInterrupt( void *p_private )
1866 {
1867 demux_t *p_demux = (demux_t*)p_private;
1868
1869 p_demux->p_sys->i_no_data_ti++;
1870
1871 /* Avoid lock */
1872 p_demux->p_sys->event = 0xff;
1873 }
1874
1875 /*****************************************************************************
1876 *
1877 *****************************************************************************/
1878 static void* TimeoutPrevention( void *p_data )
1879 {
1880 timeout_thread_t *p_timeout = (timeout_thread_t *)p_data;
1881
1882 for( ;; )
1883 {
1884 /* Voodoo (= no) thread safety here! *Ahem* */
1885 if( p_timeout->b_handle_keep_alive )
1886 {
1887 char *psz_bye = NULL;
1888 int canc = vlc_savecancel ();
1889
1890 p_timeout->p_sys->rtsp->getMediaSessionParameter( *p_timeout->p_sys->ms, NULL, psz_bye );
1891 vlc_restorecancel (canc);
1892 }
1893 p_timeout->p_sys->b_timeout_call = !p_timeout->b_handle_keep_alive;
1894
1895 msleep (((int64_t)p_timeout->p_sys->i_timeout - 2) * CLOCK_FREQ);
1896 }
1897 assert(0); /* dead code */
1898 }
1899
1900 /*****************************************************************************
1901 *
1902 *****************************************************************************/
1903 static int ParseASF( demux_t *p_demux )
1904 {
1905 demux_sys_t *p_sys = p_demux->p_sys;
1906
1907 const char *psz_marker = "a=pgmpu:data:application/vnd.ms.wms-hdr.asfv1;base64,";
1908 char *psz_asf = strcasestr( p_sys->p_sdp, psz_marker );
1909 char *psz_end;
1910 block_t *p_header;
1911
1912 /* Parse the asf header */
1913 if( psz_asf == NULL )
1914 return VLC_EGENERIC;
1915
1916 psz_asf += strlen( psz_marker );
1917 psz_asf = strdup( psz_asf ); /* Duplicate it */
1918 psz_end = strchr( psz_asf, '\n' );
1919
1920 while( psz_end > psz_asf && ( *psz_end == '\n' || *psz_end == '\r' ) )
1921 *psz_end-- = '\0';
1922
1923 if( psz_asf >= psz_end )
1924 {
1925 free( psz_asf );
1926 return VLC_EGENERIC;
1927 }
1928
1929 /* Always smaller */
1930 p_header = block_New( p_demux, psz_end - psz_asf );
1931 p_header->i_buffer = vlc_b64_decode_binary_to_buffer( p_header->p_buffer,
1932 p_header->i_buffer, psz_asf );
1933 //msg_Dbg( p_demux, "Size=%d Hdrb64=%s", p_header->i_buffer, psz_asf );
1934 if( p_header->i_buffer <= 0 )
1935 {
1936 free( psz_asf );
1937 return VLC_EGENERIC;
1938 }
1939
1940 /* Parse it to get packet size */
1941 asf_HeaderParse( &p_sys->asfh, p_header->p_buffer, p_header->i_buffer );
1942
1943 /* Send it to demuxer */
1944 stream_DemuxSend( p_sys->p_out_asf, p_header );
1945
1946 free( psz_asf );
1947 return VLC_SUCCESS;
1948 }
1949
1950
1951 static unsigned char* parseH264ConfigStr( char const* configStr,
1952 unsigned int& configSize )
1953 {
1954 char *dup, *psz;
1955 size_t i_records = 1;
1956
1957 configSize = 0;
1958
1959 if( configStr == NULL || *configStr == '\0' )
1960 return NULL;
1961
1962 psz = dup = strdup( configStr );
1963
1964 /* Count the number of commas */
1965 for( psz = dup; *psz != '\0'; ++psz )
1966 {
1967 if( *psz == ',')
1968 {
1969 ++i_records;
1970 *psz = '\0';
1971 }
1972 }
1973
1974 size_t configMax = 5*strlen(dup);
1975 unsigned char *cfg = new unsigned char[configMax];
1976 psz = dup;
1977 for( size_t i = 0; i < i_records; ++i )
1978 {
1979 cfg[configSize++] = 0x00;
1980 cfg[configSize++] = 0x00;
1981 cfg[configSize++] = 0x00;
1982 cfg[configSize++] = 0x01;
1983
1984 configSize += vlc_b64_decode_binary_to_buffer( cfg+configSize,
1985 configMax-configSize, psz );
1986 psz += strlen(psz)+1;
1987 }
1988
1989 free( dup );
1990 return cfg;
1991 }