]> git.sesse.net Git - vlc/blob - modules/demux/live555.cpp
Live555 demux: fix EOF detection
[vlc] / modules / demux / live555.cpp
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 /* 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
44 #include <vlc_demux.h>
45 #include <vlc_interface.h>
46 #include <vlc_network.h>
47 #include <vlc_url.h>
48
49 #include <iostream>
50 #include <limits.h>
51
52
53 #if defined( WIN32 )
54 #   include <winsock2.h>
55 #endif
56
57 #include "UsageEnvironment.hh"
58 #include "BasicUsageEnvironment.hh"
59 #include "GroupsockHelper.hh"
60 #include "liveMedia.hh"
61
62 extern "C" {
63 #include "../access/mms/asf.h"  /* Who said ugly ? */
64 }
65
66 using namespace std;
67
68 /*****************************************************************************
69  * Module descriptor
70  *****************************************************************************/
71 static int  Open ( vlc_object_t * );
72 static void Close( vlc_object_t * );
73
74 #define CACHING_TEXT N_("Caching value (ms)")
75 #define CACHING_LONGTEXT N_( \
76     "Allows you to modify the default caching value for RTSP streams. This " \
77     "value should be set in millisecond units." )
78
79 #define KASENNA_TEXT N_( "Kasenna RTSP dialect")
80 #define KASENNA_LONGTEXT N_( "Kasenna servers use an old and unstandard " \
81     "dialect of RTSP. When you set this parameter, VLC will try this dialect "\
82     "for communication. In this mode you cannot connect to normal RTSP servers." )
83
84 #define USER_TEXT N_("RTSP user name")
85 #define USER_LONGTEXT N_("Allows you to modify the user name that will " \
86     "be used for authenticating the connection.")
87 #define PASS_TEXT N_("RTSP password")
88 #define PASS_LONGTEXT N_("Allows you to modify the password that will be " \
89     "used for the connection.")
90
91 vlc_module_begin();
92     set_description( N_("RTP/RTSP/SDP demuxer (using Live555)" ) );
93     set_capability( "demux", 50 );
94     set_shortname( "RTP/RTSP");
95     set_callbacks( Open, Close );
96     add_shortcut( "live" );
97     add_shortcut( "livedotcom" );
98     set_category( CAT_INPUT );
99     set_subcategory( SUBCAT_INPUT_DEMUX );
100
101     add_submodule();
102         set_description( N_("RTSP/RTP access and demux") );
103         add_shortcut( "rtsp" );
104         add_shortcut( "sdp" );
105         set_capability( "access_demux", 0 );
106         set_callbacks( Open, Close );
107         add_bool( "rtsp-tcp", 0, NULL,
108                   N_("Use RTP over RTSP (TCP)"),
109                   N_("Use RTP over RTSP (TCP)"), true );
110         add_integer( "rtp-client-port", -1, NULL,
111                   N_("Client port"),
112                   N_("Port to use for the RTP source of the session"), true );
113         add_bool( "rtsp-mcast", false, NULL,
114                   N_("Force multicast RTP via RTSP"),
115                   N_("Force multicast RTP via RTSP"), true );
116         add_bool( "rtsp-http", 0, NULL,
117                   N_("Tunnel RTSP and RTP over HTTP"),
118                   N_("Tunnel RTSP and RTP over HTTP"), true );
119         add_integer( "rtsp-http-port", 80, NULL,
120                   N_("HTTP tunnel port"),
121                   N_("Port to use for tunneling the RTSP/RTP over HTTP."),
122                   true );
123         add_integer("rtsp-caching", 4 * DEFAULT_PTS_DELAY / 1000, NULL,
124                     CACHING_TEXT, CACHING_LONGTEXT, true );
125         add_bool(   "rtsp-kasenna", false, NULL, KASENNA_TEXT,
126                     KASENNA_LONGTEXT, true );
127         add_string( "rtsp-user", NULL, NULL, USER_TEXT,
128                     USER_LONGTEXT, true );
129         add_string( "rtsp-pwd", NULL, NULL, PASS_TEXT,
130                     PASS_LONGTEXT, true );
131 vlc_module_end();
132
133
134 /*****************************************************************************
135  * Local prototypes
136  *****************************************************************************/
137
138 typedef struct
139 {
140     demux_t         *p_demux;
141     MediaSubsession *sub;
142
143     es_format_t     fmt;
144     es_out_id_t     *p_es;
145
146     bool            b_muxed;
147     bool            b_quicktime;
148     bool            b_asf;
149     stream_t        *p_out_muxed;    /* for muxed stream */
150
151     uint8_t         *p_buffer;
152     unsigned int    i_buffer;
153
154     bool            b_rtcp_sync;
155     char            waiting;
156     int64_t         i_pts;
157     u_int32_t       i_start_seq;
158
159 } live_track_t;
160
161 struct timeout_thread_t
162 {
163     VLC_COMMON_MEMBERS
164
165     int64_t      i_remain;
166     bool   b_handle_keep_alive;
167     demux_sys_t  *p_sys;
168 };
169
170 struct demux_sys_t
171 {
172     char            *p_sdp;    /* XXX mallocated */
173     char            *psz_path; /* URL-encoded path */
174     vlc_url_t       url;
175
176     MediaSession     *ms;
177     TaskScheduler    *scheduler;
178     UsageEnvironment *env ;
179     RTSPClient       *rtsp;
180
181     /* */
182     int              i_track;
183     live_track_t     **track;   /* XXX mallocated */
184
185     /* Weird formats */
186     asf_header_t     asfh;
187     stream_t         *p_out_asf;
188     bool       b_real;
189
190     /* */
191     int64_t          i_pcr; /* The clock */
192     int64_t          i_npt; /* The current time in the stream */
193     int64_t          i_npt_length;
194     int64_t          i_npt_start;
195
196     /* timeout thread information */
197     int              i_timeout;     /* session timeout value in seconds */
198     bool       b_timeout_call;/* mark to send an RTSP call to prevent server timeout */
199     timeout_thread_t *p_timeout;    /* the actual thread that makes sure we don't timeout */
200
201     /* */
202     bool             b_force_mcast;
203     bool             b_multicast;   /* if one of the tracks is multicasted */
204     bool             b_no_data;     /* if we never received any data */
205     int              i_no_data_ti;  /* consecutive number of TaskInterrupt */
206
207     char             event;
208 };
209
210 static int Demux  ( demux_t * );
211 static int Control( demux_t *, int, va_list );
212
213 static int Connect      ( demux_t * );
214 static int SessionsSetup( demux_t * );
215 static int Play         ( demux_t *);
216 static int ParseASF     ( demux_t * );
217 static int RollOverTcp  ( demux_t * );
218
219 static void StreamRead  ( void *, unsigned int, unsigned int,
220                           struct timeval, unsigned int );
221 static void StreamClose ( void * );
222 static void TaskInterrupt( void * );
223
224 static void TimeoutPrevention( timeout_thread_t * );
225
226 static unsigned char* parseH264ConfigStr( char const* configStr,
227                                           unsigned int& configSize );
228
229 /*****************************************************************************
230  * DemuxOpen:
231  *****************************************************************************/
232 static int  Open ( vlc_object_t *p_this )
233 {
234     demux_t     *p_demux = (demux_t*)p_this;
235     demux_sys_t *p_sys = NULL;
236
237     MediaSubsessionIterator *iter   = NULL;
238     MediaSubsession         *sub    = NULL;
239     int i, i_return;
240     int i_error = VLC_EGENERIC;
241
242     if( p_demux->s )
243     {
244         /* See if it looks like a SDP
245            v, o, s fields are mandatory and in this order */
246         const uint8_t *p_peek;
247         if( stream_Peek( p_demux->s, &p_peek, 7 ) < 7 ) return VLC_EGENERIC;
248
249         if( memcmp( p_peek, "v=0\r\n", 5 ) &&
250             memcmp( p_peek, "v=0\n", 4 ) &&
251             ( p_peek[0] < 'a' || p_peek[0] > 'z' || p_peek[1] != '=' ) )
252         {
253             return VLC_EGENERIC;
254         }
255     }
256     else
257     {
258         var_Create( p_demux, "rtsp-caching", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
259     }
260
261     p_demux->pf_demux  = Demux;
262     p_demux->pf_control= Control;
263     p_demux->p_sys     = p_sys = (demux_sys_t*)malloc( sizeof( demux_sys_t ) );
264     if( !p_sys ) return VLC_ENOMEM;
265
266     p_sys->p_sdp = NULL;
267     p_sys->scheduler = NULL;
268     p_sys->env = NULL;
269     p_sys->ms = NULL;
270     p_sys->rtsp = NULL;
271     p_sys->i_track = 0;
272     p_sys->track   = NULL;
273     p_sys->i_pcr = 0;
274     p_sys->i_npt = 0;
275     p_sys->i_npt_start = 0;
276     p_sys->i_npt_length = 0;
277     p_sys->p_out_asf = NULL;
278     p_sys->b_no_data = true;
279     p_sys->i_no_data_ti = 0;
280     p_sys->p_timeout = NULL;
281     p_sys->i_timeout = 0;
282     p_sys->b_timeout_call = false;
283     p_sys->b_multicast = false;
284     p_sys->b_real = false;
285     p_sys->psz_path = strdup( p_demux->psz_path );
286     p_sys->b_force_mcast = var_CreateGetBool( p_demux, "rtsp-mcast" );
287
288     /* parse URL for rtsp://[user:[passwd]@]serverip:port/options */
289     vlc_UrlParse( &p_sys->url, p_sys->psz_path, 0 );
290
291     if( ( p_sys->scheduler = BasicTaskScheduler::createNew() ) == NULL )
292     {
293         msg_Err( p_demux, "BasicTaskScheduler::createNew failed" );
294         goto error;
295     }
296     if( !( p_sys->env = BasicUsageEnvironment::createNew(*p_sys->scheduler) ) )
297     {
298         msg_Err( p_demux, "BasicUsageEnvironment::createNew failed" );
299         goto error;
300     }
301
302     if( strcasecmp( p_demux->psz_access, "sdp" ) )
303     {
304         char *p = p_sys->psz_path;
305         while( (p = strchr( p, ' ' )) != NULL ) *p = '+';
306     }
307
308     if( p_demux->s != NULL )
309     {
310         /* Gather the complete sdp file */
311         int     i_sdp       = 0;
312         int     i_sdp_max   = 1000;
313         uint8_t *p_sdp      = (uint8_t*) malloc( i_sdp_max );
314
315         if( !p_sdp )
316         {
317             i_error = VLC_ENOMEM;
318             goto error;
319         }
320
321         for( ;; )
322         {
323             int i_read = stream_Read( p_demux->s, &p_sdp[i_sdp],
324                                       i_sdp_max - i_sdp - 1 );
325
326             if( p_demux->b_die || p_demux->b_error )
327             {
328                 free( p_sdp );
329                 goto error;
330             }
331
332             if( i_read < 0 )
333             {
334                 msg_Err( p_demux, "failed to read SDP" );
335                 free( p_sdp );
336                 goto error;
337             }
338
339             i_sdp += i_read;
340
341             if( i_read < i_sdp_max - i_sdp - 1 )
342             {
343                 p_sdp[i_sdp] = '\0';
344                 break;
345             }
346
347             i_sdp_max += 1000;
348             p_sdp = (uint8_t*)realloc( p_sdp, i_sdp_max );
349         }
350         p_sys->p_sdp = (char*)p_sdp;
351     }
352     else if( ( p_demux->s == NULL ) &&
353              !strcasecmp( p_demux->psz_access, "sdp" ) )
354     {
355         /* sdp:// link from SAP */
356         p_sys->p_sdp = strdup( p_sys->psz_path );
357     }
358     else if( ( i_return = Connect( p_demux ) ) != VLC_SUCCESS )
359     {
360         msg_Err( p_demux, "Failed to connect with rtsp://%s", p_sys->psz_path );
361         goto error;
362     }
363
364     if( p_sys->p_sdp == NULL )
365     {
366         msg_Err( p_demux, "Failed to retrieve the RTSP Session Description" );
367         i_error = VLC_ENOMEM;
368         goto error;
369     }
370
371     if( ( i_return = SessionsSetup( p_demux ) ) != VLC_SUCCESS )
372     {
373         msg_Err( p_demux, "Nothing to play for rtsp://%s", p_sys->psz_path );
374         goto error;
375     }
376
377     if( p_sys->b_real ) goto error;
378
379     if( ( i_return = Play( p_demux ) ) != VLC_SUCCESS )
380         goto error;
381
382     if( p_sys->p_out_asf && ParseASF( p_demux ) )
383     {
384         msg_Err( p_demux, "cannot find a usable asf header" );
385         /* TODO Clean tracks */
386         goto error;
387     }
388
389     if( p_sys->i_track <= 0 )
390         goto error;
391
392     return VLC_SUCCESS;
393
394 error:
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         es_format_Clean( &tk->fmt );
401         free( tk->p_buffer );
402         free( tk );
403     }
404
405     if( p_sys->i_track ) free( p_sys->track );
406     if( p_sys->p_out_asf ) stream_DemuxDelete( p_sys->p_out_asf );
407     if( p_sys->rtsp && p_sys->ms ) p_sys->rtsp->teardownMediaSession( *p_sys->ms );
408     if( p_sys->ms ) Medium::close( p_sys->ms );
409     if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp );
410     if( p_sys->env ) p_sys->env->reclaim();
411     if( p_sys->p_timeout )
412     {
413         vlc_object_kill( p_sys->p_timeout );
414         vlc_thread_join( p_sys->p_timeout );
415         vlc_object_detach( p_sys->p_timeout );
416         vlc_object_release( p_sys->p_timeout );
417     }
418     delete p_sys->scheduler;
419     free( p_sys->p_sdp );
420     free( p_sys->psz_path );
421
422     vlc_UrlClean( &p_sys->url );
423
424     free( p_sys );
425     return i_error;
426 }
427
428 /*****************************************************************************
429  * DemuxClose:
430  *****************************************************************************/
431 static void Close( vlc_object_t *p_this )
432 {
433     demux_t *p_demux = (demux_t*)p_this;
434     demux_sys_t *p_sys = p_demux->p_sys;
435     int i;
436
437     for( i = 0; i < p_sys->i_track; i++ )
438     {
439         live_track_t *tk = p_sys->track[i];
440
441         if( tk->b_muxed ) stream_DemuxDelete( tk->p_out_muxed );
442         es_format_Clean( &tk->fmt );
443         free( tk->p_buffer );
444         free( tk );
445     }
446
447     if( p_sys->i_track ) free( p_sys->track );
448     if( p_sys->p_out_asf ) stream_DemuxDelete( p_sys->p_out_asf );
449     if( p_sys->rtsp && p_sys->ms ) p_sys->rtsp->teardownMediaSession( *p_sys->ms );
450     if( p_sys->ms ) Medium::close( p_sys->ms );
451     if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp );
452     if( p_sys->env ) p_sys->env->reclaim();
453     if( p_sys->p_timeout )
454     {
455         vlc_object_kill( p_sys->p_timeout );
456         vlc_thread_join( p_sys->p_timeout );
457         vlc_object_detach( p_sys->p_timeout );
458         vlc_object_release( p_sys->p_timeout );
459     }
460     delete p_sys->scheduler;
461     free( p_sys->p_sdp );
462     free( p_sys->psz_path );
463
464     vlc_UrlClean( &p_sys->url );
465
466     free( p_sys );
467 }
468
469 /*****************************************************************************
470  * Connect: connects to the RTSP server to setup the session DESCRIBE
471  *****************************************************************************/
472 static int Connect( demux_t *p_demux )
473 {
474     demux_sys_t *p_sys = p_demux->p_sys;
475     Authenticator authenticator;
476     bool b_firstpass  = true;
477     char *psz_user    = NULL;
478     char *psz_pwd     = NULL;
479     char *psz_url     = NULL;
480     char *psz_options = NULL;
481     char *p_sdp       = NULL;
482     int  i_http_port  = 0;
483     int  i_ret        = VLC_SUCCESS;
484     int i_lefttries;
485
486     if( p_sys->url.i_port == 0 ) p_sys->url.i_port = 554;
487     if( p_sys->url.psz_username || p_sys->url.psz_password )
488     {
489         int err;
490         err = asprintf( &psz_url, "rtsp://%s:%d%s", p_sys->url.psz_host,
491                         p_sys->url.i_port, p_sys->url.psz_path );
492         if( err == -1 ) return VLC_ENOMEM;
493
494         psz_user = strdup( p_sys->url.psz_username );
495         psz_pwd  = strdup( p_sys->url.psz_password );
496     }
497     else
498     {
499         int err;
500         err = asprintf( &psz_url, "rtsp://%s", p_sys->psz_path );
501         if( err == -1 ) return VLC_ENOMEM;
502
503         psz_user = var_CreateGetString( p_demux, "rtsp-user" );
504         psz_pwd  = var_CreateGetString( p_demux, "rtsp-pwd" );
505     }
506
507     i_lefttries = 3;
508 createnew:
509     i_lefttries--;
510     if( p_demux->b_die || p_demux->b_error )
511     {
512         free( psz_user );
513         free( psz_pwd );
514         free( psz_url );
515         return VLC_EGENERIC;
516     }
517
518     if( var_CreateGetBool( p_demux, "rtsp-http" ) )
519         i_http_port = var_CreateGetInteger( p_demux, "rtsp-http-port" );
520
521     if( ( p_sys->rtsp = RTSPClient::createNew( *p_sys->env,
522           var_CreateGetInteger( p_demux, "verbose" ) > 1,
523           "VLC media player", i_http_port ) ) == NULL )
524     {
525         msg_Err( p_demux, "RTSPClient::createNew failed (%s)",
526                  p_sys->env->getResultMsg() );
527         free( psz_user );
528         free( psz_pwd );
529         free( psz_url );
530         return VLC_EGENERIC;
531     }
532
533     /* Kasenna enables KeepAlive by analysing the User-Agent string. 
534      * Appending _KA to the string should be enough to enable this feature, 
535      * however, there is a bug where the _KA doesn't get parsed from the 
536      * default User-Agent as created by VLC/Live555 code. This is probably due 
537      * to spaces in the string or the string being too long. Here we override
538      * the default string with a more compact version.
539      */
540     if( var_CreateGetBool( p_demux, "rtsp-kasenna" ))
541     {
542 #if LIVEMEDIA_LIBRARY_VERSION_INT > 1130457500
543         p_sys->rtsp->setUserAgentString( "VLC_MEDIA_PLAYER_KA" );
544 #endif
545     }
546
547 describe:
548     authenticator.setUsernameAndPassword( (const char*)psz_user,
549                                           (const char*)psz_pwd );
550
551     psz_options = p_sys->rtsp->sendOptionsCmd( psz_url, psz_user, psz_pwd,
552                                                &authenticator );
553     delete [] psz_options;
554
555     p_sdp = p_sys->rtsp->describeURL( psz_url, &authenticator,
556                          var_GetBool( p_demux, "rtsp-kasenna" ) );
557     if( p_sdp == NULL )
558     {
559         /* failure occurred */
560         int i_code = 0;
561         const char *psz_error = p_sys->env->getResultMsg();
562
563         if( var_GetBool( p_demux, "rtsp-http" ) )
564             sscanf( psz_error, "%*s %*s HTTP GET %*s HTTP/%*u.%*u %3u %*s",
565                     &i_code );
566         else
567         {
568             const char *psz_tmp = strstr( psz_error, "RTSP" );
569             if( psz_tmp )
570                 sscanf( psz_tmp, "RTSP/%*s%3u", &i_code );
571             else
572                 i_code = 0;
573         }
574         msg_Dbg( p_demux, "DESCRIBE failed with %d: %s", i_code, psz_error );
575
576         if( b_firstpass )
577         {   /* describeURL always returns an "RTSP/1.0 401 Unauthorized" the
578              * first time. This is a workaround to avoid asking for a
579              * user/passwd the first time the code passess here. */
580             i_code = 0;
581             b_firstpass = false;
582         }
583
584         if( i_code == 401 )
585         {
586             int i_result;
587             msg_Dbg( p_demux, "authentication failed" );
588
589             free( psz_user );
590             free( psz_pwd );
591             psz_user = psz_pwd = NULL;
592
593             i_result = intf_UserLoginPassword( p_demux, _("RTSP authentication"),
594                            _("Please enter a valid login name and a password."),
595                                                    &psz_user, &psz_pwd );
596             if( i_result == DIALOG_OK_YES )
597             {
598                 msg_Dbg( p_demux, "retrying with user=%s, pwd=%s",
599                          psz_user, psz_pwd );
600                 goto describe;
601             }
602         }
603         else if( (i_code != 0) && !var_GetBool( p_demux, "rtsp-http" ) )
604         {
605             /* Perhaps a firewall is being annoying. Try HTTP tunneling mode */
606             vlc_value_t val;
607             val.b_bool = true;
608             msg_Dbg( p_demux, "we will now try HTTP tunneling mode" );
609             var_Set( p_demux, "rtsp-http", val );
610             if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp );
611             p_sys->rtsp = NULL;
612             goto createnew;
613         }
614         else
615         {
616             msg_Dbg( p_demux, "connection timeout, retrying" );
617             if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp );
618             p_sys->rtsp = NULL;
619             if( i_lefttries > 0 )
620                 goto createnew;
621         }
622         i_ret = VLC_EGENERIC;
623     }
624
625     /* malloc-ated copy */
626     free( psz_url );
627     free( psz_user );
628     free( psz_pwd );
629
630     free( p_sys->p_sdp );
631     p_sys->p_sdp = NULL;
632     if( p_sdp ) p_sys->p_sdp = strdup( (char*)p_sdp );
633     delete[] p_sdp;
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( p_demux->b_die || p_demux->b_error )
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 continue;
684
685         if( i_client_port != -1 )
686         {
687             sub->setClientPortNum( i_client_port );
688             i_client_port += 2;
689         }
690
691         if( strcasestr( sub->codecName(), "REAL" ) )
692         {
693             msg_Info( p_demux, "real codec detected, using real-RTSP instead" );
694             p_sys->b_real = true; /* This is a problem, we'll handle it later */
695             continue;
696         }
697
698         if( !strcmp( sub->codecName(), "X-ASF-PF" ) )
699             bInit = sub->initiate( 4 ); /* Constant ? */
700         else
701             bInit = sub->initiate();
702
703         if( !bInit )
704         {
705             msg_Warn( p_demux, "RTP subsession '%s/%s' failed (%s)",
706                       sub->mediumName(), sub->codecName(),
707                       p_sys->env->getResultMsg() );
708         }
709         else
710         {
711             if( sub->rtpSource() != NULL )
712             {
713                 int fd = sub->rtpSource()->RTPgs()->socketNum();
714
715                 /* Increase the buffer size */
716                 if( i_buffer > 0 )
717                     increaseReceiveBufferTo( *p_sys->env, fd, i_buffer );
718
719                 /* Increase the RTP reorder timebuffer just a bit */
720                 sub->rtpSource()->setPacketReorderingThresholdTime(thresh);
721             }
722             msg_Dbg( p_demux, "RTP subsession '%s/%s'", sub->mediumName(),
723                      sub->codecName() );
724
725             /* Issue the SETUP */
726             if( p_sys->rtsp )
727             {
728                 bool tcp = b_rtsp_tcp;
729                 bool mcast = p_sys->b_force_mcast;
730                 if( !p_sys->rtsp->setupMediaSubsession( *sub, False,
731                                            tcp ? True : False,
732                                            ( mcast && !tcp ) ? True : False ) )
733                 {
734                     tcp = !tcp;
735                     /* if we get an unsupported transport error, toggle TCP use and try again */
736                     if( !strstr(p_sys->env->getResultMsg(), "461 Unsupported Transport")
737                      || !p_sys->rtsp->setupMediaSubsession( *sub, False,
738                                            tcp ? False : True,
739                                            ( mcast && !tcp ) ? True : False ) )
740                     {
741                         msg_Err( p_demux, "SETUP of'%s/%s' failed %s", sub->mediumName(),
742                                  sub->codecName(), p_sys->env->getResultMsg() );
743                         continue;
744                     }
745                 }
746             }
747
748             /* Check if we will receive data from this subsession for this track */
749             if( sub->readSource() == NULL ) continue;
750             if( !p_sys->b_multicast )
751             {
752                 /* Check, because we need diff. rollover behaviour for multicast */
753                 p_sys->b_multicast = IsMulticastAddress( sub->connectionEndpointAddress() );
754             }
755
756             tk = (live_track_t*)malloc( sizeof( live_track_t ) );
757             if( !tk )
758             {
759                 delete iter;
760                 return VLC_ENOMEM;
761             }
762             tk->p_demux     = p_demux;
763             tk->sub         = sub;
764             tk->p_es        = NULL;
765             tk->b_quicktime = false;
766             tk->b_asf       = false;
767             tk->b_muxed     = false;
768             tk->p_out_muxed = NULL;
769             tk->waiting     = 0;
770             tk->b_rtcp_sync = false;
771             tk->i_pts       = 0;
772             tk->i_buffer    = 65536;
773             tk->p_buffer    = (uint8_t *)malloc( 65536 );
774             if( !tk->p_buffer )
775             {
776                 delete iter;
777                 return VLC_ENOMEM;
778             }
779
780             /* Value taken from mplayer */
781             if( !strcmp( sub->mediumName(), "audio" ) )
782             {
783                 es_format_Init( &tk->fmt, AUDIO_ES, VLC_FOURCC('u','n','d','f') );
784                 tk->fmt.audio.i_channels = sub->numChannels();
785                 tk->fmt.audio.i_rate = sub->rtpTimestampFrequency();
786
787                 if( !strcmp( sub->codecName(), "MPA" ) ||
788                     !strcmp( sub->codecName(), "MPA-ROBUST" ) ||
789                     !strcmp( sub->codecName(), "X-MP3-DRAFT-00" ) )
790                 {
791                     tk->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'a' );
792                     tk->fmt.audio.i_rate = 0;
793                 }
794                 else if( !strcmp( sub->codecName(), "AC3" ) )
795                 {
796                     tk->fmt.i_codec = VLC_FOURCC( 'a', '5', '2', ' ' );
797                     tk->fmt.audio.i_rate = 0;
798                 }
799                 else if( !strcmp( sub->codecName(), "L16" ) )
800                 {
801                     tk->fmt.i_codec = VLC_FOURCC( 't', 'w', 'o', 's' );
802                     tk->fmt.audio.i_bitspersample = 16;
803                 }
804                 else if( !strcmp( sub->codecName(), "L8" ) )
805                 {
806                     tk->fmt.i_codec = VLC_FOURCC( 'a', 'r', 'a', 'w' );
807                     tk->fmt.audio.i_bitspersample = 8;
808                 }
809                 else if( !strcmp( sub->codecName(), "PCMU" ) )
810                 {
811                     tk->fmt.i_codec = VLC_FOURCC( 'u', 'l', 'a', 'w' );
812                 }
813                 else if( !strcmp( sub->codecName(), "PCMA" ) )
814                 {
815                     tk->fmt.i_codec = VLC_FOURCC( 'a', 'l', 'a', 'w' );
816                 }
817                 else if( !strncmp( sub->codecName(), "G726", 4 ) )
818                 {
819                     tk->fmt.i_codec = VLC_FOURCC( 'g', '7', '2', '6' );
820                     tk->fmt.audio.i_rate = 8000;
821                     tk->fmt.audio.i_channels = 1;
822                     if( !strcmp( sub->codecName()+5, "40" ) )
823                         tk->fmt.i_bitrate = 40000;
824                     else if( !strcmp( sub->codecName()+5, "32" ) )
825                         tk->fmt.i_bitrate = 32000;
826                     else if( !strcmp( sub->codecName()+5, "24" ) )
827                         tk->fmt.i_bitrate = 24000;
828                     else if( !strcmp( sub->codecName()+5, "16" ) )
829                         tk->fmt.i_bitrate = 16000;
830                 }
831                 else if( !strcmp( sub->codecName(), "AMR" ) )
832                 {
833                     tk->fmt.i_codec = VLC_FOURCC( 's', 'a', 'm', 'r' );
834                 }
835                 else if( !strcmp( sub->codecName(), "AMR-WB" ) )
836                 {
837                     tk->fmt.i_codec = VLC_FOURCC( 's', 'a', 'w', 'b' );
838                 }
839                 else if( !strcmp( sub->codecName(), "MP4A-LATM" ) )
840                 {
841                     unsigned int i_extra;
842                     uint8_t      *p_extra;
843
844                     tk->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'a' );
845
846                     if( ( p_extra = parseStreamMuxConfigStr( sub->fmtp_config(),
847                                                              i_extra ) ) )
848                     {
849                         tk->fmt.i_extra = i_extra;
850                         tk->fmt.p_extra = malloc( i_extra );
851                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
852                         delete[] p_extra;
853                     }
854                     /* Because the "faad" decoder does not handle the LATM data length field
855                        at the start of each returned LATM frame, tell the RTP source to omit it. */
856                     ((MPEG4LATMAudioRTPSource*)sub->rtpSource())->omitLATMDataLengthField();
857                 }
858                 else if( !strcmp( sub->codecName(), "MPEG4-GENERIC" ) )
859                 {
860                     unsigned int i_extra;
861                     uint8_t      *p_extra;
862
863                     tk->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'a' );
864
865                     if( ( p_extra = parseGeneralConfigStr( sub->fmtp_config(),
866                                                            i_extra ) ) )
867                     {
868                         tk->fmt.i_extra = i_extra;
869                         tk->fmt.p_extra = malloc( i_extra );
870                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
871                         delete[] p_extra;
872                     }
873                 }
874                 else if( !strcmp( sub->codecName(), "X-ASF-PF" ) )
875                 {
876                     tk->b_asf = true;
877                     if( p_sys->p_out_asf == NULL )
878                         p_sys->p_out_asf = stream_DemuxNew( p_demux, "asf",
879                                                             p_demux->out );
880                 }
881                 else if( !strcmp( sub->codecName(), "X-QT" ) ||
882                          !strcmp( sub->codecName(), "X-QUICKTIME" ) )
883                 {
884                     tk->b_quicktime = true;
885                 }
886                 else if( !strcmp( sub->codecName(), "SPEEX" ) )
887                 {
888                     tk->fmt.i_codec = VLC_FOURCC( 's', 'p', 'x', 'r' );
889                     if ( sub->rtpTimestampFrequency() )
890                         tk->fmt.audio.i_rate = sub->rtpTimestampFrequency();
891                     else
892                     {
893                         msg_Warn( p_demux,"Using 8kHz as default sample rate." );
894                         tk->fmt.audio.i_rate = 8000;
895                     }
896                 }
897             }
898             else if( !strcmp( sub->mediumName(), "video" ) )
899             {
900                 es_format_Init( &tk->fmt, VIDEO_ES, VLC_FOURCC('u','n','d','f') );
901                 if( !strcmp( sub->codecName(), "MPV" ) )
902                 {
903                     tk->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'v' );
904                 }
905                 else if( !strcmp( sub->codecName(), "H263" ) ||
906                          !strcmp( sub->codecName(), "H263-1998" ) ||
907                          !strcmp( sub->codecName(), "H263-2000" ) )
908                 {
909                     tk->fmt.i_codec = VLC_FOURCC( 'H', '2', '6', '3' );
910                 }
911                 else if( !strcmp( sub->codecName(), "H261" ) )
912                 {
913                     tk->fmt.i_codec = VLC_FOURCC( 'H', '2', '6', '1' );
914                 }
915                 else if( !strcmp( sub->codecName(), "H264" ) )
916                 {
917                     unsigned int i_extra = 0;
918                     uint8_t      *p_extra = NULL;
919
920                     tk->fmt.i_codec = VLC_FOURCC( 'h', '2', '6', '4' );
921                     tk->fmt.b_packetized = false;
922
923                     if((p_extra=parseH264ConfigStr( sub->fmtp_spropparametersets(),
924                                                     i_extra ) ) )
925                     {
926                         tk->fmt.i_extra = i_extra;
927                         tk->fmt.p_extra = malloc( i_extra );
928                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
929
930                         delete[] p_extra;
931                     }
932                 }
933                 else if( !strcmp( sub->codecName(), "JPEG" ) )
934                 {
935                     tk->fmt.i_codec = VLC_FOURCC( 'M', 'J', 'P', 'G' );
936                 }
937                 else if( !strcmp( sub->codecName(), "MP4V-ES" ) )
938                 {
939                     unsigned int i_extra;
940                     uint8_t      *p_extra;
941
942                     tk->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'v' );
943
944                     if( ( p_extra = parseGeneralConfigStr( sub->fmtp_config(),
945                                                            i_extra ) ) )
946                     {
947                         tk->fmt.i_extra = i_extra;
948                         tk->fmt.p_extra = malloc( i_extra );
949                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
950                         delete[] p_extra;
951                     }
952                 }
953                 else if( !strcmp( sub->codecName(), "X-QT" ) ||
954                          !strcmp( sub->codecName(), "X-QUICKTIME" ) ||
955                          !strcmp( sub->codecName(), "X-QDM" ) ||
956                          !strcmp( sub->codecName(), "X-SV3V-ES" )  ||
957                          !strcmp( sub->codecName(), "X-SORENSONVIDEO" ) )
958                 {
959                     tk->b_quicktime = true;
960                 }
961                 else if( !strcmp( sub->codecName(), "MP2T" ) )
962                 {
963                     tk->b_muxed = true;
964                     tk->p_out_muxed = stream_DemuxNew( p_demux, "ts", p_demux->out );
965                 }
966                 else if( !strcmp( sub->codecName(), "MP2P" ) ||
967                          !strcmp( sub->codecName(), "MP1S" ) )
968                 {
969                     tk->b_muxed = true;
970                     tk->p_out_muxed = stream_DemuxNew( p_demux, "ps",
971                                                        p_demux->out );
972                 }
973                 else if( !strcmp( sub->codecName(), "X-ASF-PF" ) )
974                 {
975                     tk->b_asf = true;
976                     if( p_sys->p_out_asf == NULL )
977                         p_sys->p_out_asf = stream_DemuxNew( p_demux, "asf",
978                                                             p_demux->out );;
979                 }
980             }
981
982             if( !tk->b_quicktime && !tk->b_muxed && !tk->b_asf )
983             {
984                 tk->p_es = es_out_Add( p_demux->out, &tk->fmt );
985             }
986
987             if( sub->rtcpInstance() != NULL )
988             {
989                 sub->rtcpInstance()->setByeHandler( StreamClose, tk );
990             }
991
992             if( tk->p_es || tk->b_quicktime || tk->b_muxed || tk->b_asf )
993             {
994                 /* Append */
995                 p_sys->track = (live_track_t**)realloc( p_sys->track, sizeof( live_track_t ) * ( p_sys->i_track + 1 ) );
996                 p_sys->track[p_sys->i_track++] = tk;
997             }
998             else
999             {
1000                 /* BUG ??? */
1001                 msg_Err( p_demux, "unusable RTSP track. this should not happen" );
1002                 es_format_Clean( &tk->fmt );
1003                 free( tk );
1004             }
1005         }
1006     }
1007     delete iter;
1008     if( p_sys->i_track <= 0 ) i_return = VLC_EGENERIC;
1009
1010 #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 1199404800)
1011     /* Retrieve the starttime if possible */
1012     p_sys->i_npt_start = (int64_t)( p_sys->ms->playStartTime() * (double)1000000.0 );
1013 #else
1014     p_sys->i_npt_start = (int64_t) -1;
1015 #endif
1016     if( p_sys->i_npt_start < 0 )
1017         p_sys->i_npt_start = -1;
1018
1019 #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 1199404800)
1020     /* Retrieve the duration if possible */
1021     p_sys->i_npt_length = (int64_t)( p_sys->ms->playEndTime() * (double)1000000.0 );
1022 #else
1023     p_sys->i_npt_length = (int64_t) -1;
1024 #endif
1025     if( p_sys->i_npt_length < 0 )
1026         p_sys->i_npt_length = -1;
1027
1028     msg_Dbg( p_demux, "setup start: %lld stop:%lld", p_sys->i_npt_start, p_sys->i_npt_length );
1029     return i_return;
1030 }
1031
1032 /*****************************************************************************
1033  * Play: starts the actual playback of the stream
1034  *****************************************************************************/
1035 static int Play( demux_t *p_demux )
1036 {
1037     demux_sys_t *p_sys = p_demux->p_sys;
1038     int i;
1039
1040     if( p_sys->rtsp )
1041     {
1042         /* The PLAY */
1043         if( !p_sys->rtsp->playMediaSession( *p_sys->ms, p_sys->i_npt_start, -1, 1 ) )
1044         {
1045             msg_Err( p_demux, "RTSP PLAY failed %s", p_sys->env->getResultMsg() );
1046             return VLC_EGENERIC;
1047         }
1048
1049         /* Retrieve the timeout value and set up a timeout prevention thread */
1050         p_sys->i_timeout = p_sys->rtsp->sessionTimeoutParameter();
1051         if( p_sys->i_timeout <= 0 )
1052             p_sys->i_timeout = 60; /* default value from RFC2326 */
1053
1054         /* start timeout-thread only on x-asf streams (wms), it has rtcp support but doesn't 
1055          * seem to use it for liveness/keep-alive, get_parameter seems to work for it. get_parameter
1056          * doesn't work with dss 5.5.4 & 5.5.5, they seems to work with rtcp */
1057         if( !p_sys->p_timeout && p_sys->p_out_asf )
1058         {
1059             msg_Dbg( p_demux, "We have a timeout of %d seconds",  p_sys->i_timeout );
1060             p_sys->p_timeout = (timeout_thread_t *)vlc_object_create( p_demux, sizeof(timeout_thread_t) );
1061             p_sys->p_timeout->p_sys = p_demux->p_sys; /* lol, object recursion :D */
1062             if( vlc_thread_create( p_sys->p_timeout, "liveMedia-timeout", TimeoutPrevention,
1063                                    VLC_THREAD_PRIORITY_LOW, true ) )
1064             {
1065                 msg_Err( p_demux, "cannot spawn liveMedia timeout thread" );
1066                 vlc_object_release( p_sys->p_timeout );
1067             }
1068             msg_Dbg( p_demux, "spawned timeout thread" );
1069             vlc_object_attach( p_sys->p_timeout, p_demux );
1070         }
1071     }
1072     p_sys->i_pcr = 0;
1073
1074 #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 1195257600)
1075     for( i = 0; i < p_sys->i_track; i++ )
1076     {
1077         if( !p_sys->track[i]->b_rtcp_sync )
1078             p_sys->track[i]->i_pts = (int64_t) ( p_sys->track[i]->sub->rtpInfo.timestamp * (double)1000000.0 );
1079         p_sys->track[i]->i_start_seq = (int)p_sys->track[i]->sub->rtpInfo.seqNum;
1080         msg_Info( p_demux, "set startseq: %u", p_sys->track[i]->i_start_seq );
1081     }
1082 #endif
1083
1084 #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 1199404800)
1085     /* Retrieve the starttime if possible */
1086     p_sys->i_npt_start = (int64_t)( p_sys->ms->playStartTime() * (double)1000000.0 );
1087 #else
1088     p_sys->i_npt_start = -1;
1089 #endif
1090     if( p_sys->i_npt_start < 0 )
1091     {
1092         p_sys->i_npt_start = -1;
1093         p_sys->i_npt = 0;
1094     }
1095     else
1096         p_sys->i_npt = p_sys->i_npt_start;
1097
1098 #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 1199404800)
1099     /* Retrieve the duration if possible */
1100     p_sys->i_npt_length = (int64_t)( p_sys->ms->playEndTime() * (double)1000000.0 );
1101 #else
1102     p_sys->i_npt_length = -1;
1103 #endif
1104     if( p_sys->i_npt_length < 0 )
1105         p_sys->i_npt_length = -1;
1106
1107     msg_Dbg( p_demux, "play start: %lld stop:%lld", p_sys->i_npt_start, p_sys->i_npt_length );
1108     return VLC_SUCCESS;
1109 }
1110
1111
1112 /*****************************************************************************
1113  * Demux:
1114  *****************************************************************************/
1115 static int Demux( demux_t *p_demux )
1116 {
1117     demux_sys_t    *p_sys = p_demux->p_sys;
1118     TaskToken      task;
1119
1120     bool      b_send_pcr = true;
1121     int64_t         i_pcr = 0;
1122     int             i;
1123
1124     /* Check if we need to send the server a Keep-A-Live signal */
1125     if( p_sys->b_timeout_call && p_sys->rtsp && p_sys->ms )
1126     {
1127         char *psz_bye = NULL;
1128         p_sys->rtsp->getMediaSessionParameter( *p_sys->ms, NULL, psz_bye );
1129         p_sys->b_timeout_call = false;
1130     }
1131
1132
1133     for( i = 0; i < p_sys->i_track; i++ )
1134     {
1135         live_track_t *tk = p_sys->track[i];
1136
1137         if( tk->b_asf || tk->b_muxed )
1138             b_send_pcr = false;
1139 #if 0
1140         if( i_pcr == 0 )
1141         {
1142             i_pcr = tk->i_pts;
1143         }
1144         else if( tk->i_pts != 0 && i_pcr > tk->i_pts )
1145         {
1146             i_pcr = tk->i_pts ;
1147         }
1148 #endif
1149     }
1150     if( p_sys->i_pcr > 0 )
1151     {
1152         if( b_send_pcr )
1153             es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_sys->i_pcr );
1154     }
1155
1156     /* First warn we want to read data */
1157     p_sys->event = 0;
1158     for( i = 0; i < p_sys->i_track; i++ )
1159     {
1160         live_track_t *tk = p_sys->track[i];
1161
1162         if( tk->waiting == 0 )
1163         {
1164             tk->waiting = 1;
1165             tk->sub->readSource()->getNextFrame( tk->p_buffer, tk->i_buffer,
1166                                           StreamRead, tk, StreamClose, tk );
1167         }
1168     }
1169     /* Create a task that will be called if we wait more than 300ms */
1170     task = p_sys->scheduler->scheduleDelayedTask( 300000, TaskInterrupt, p_demux );
1171
1172     /* Do the read */
1173     p_sys->scheduler->doEventLoop( &p_sys->event );
1174
1175     /* remove the task */
1176     p_sys->scheduler->unscheduleDelayedTask( task );
1177
1178     /* Check for gap in pts value */
1179     for( i = 0; i < p_sys->i_track; i++ )
1180     {
1181         live_track_t *tk = p_sys->track[i];
1182
1183         if( !tk->b_muxed && !tk->b_rtcp_sync &&
1184             tk->sub->rtpSource() && tk->sub->rtpSource()->hasBeenSynchronizedUsingRTCP() )
1185         {
1186             msg_Dbg( p_demux, "tk->rtpSource->hasBeenSynchronizedUsingRTCP()" );
1187
1188             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
1189             tk->b_rtcp_sync = true;
1190             /* reset PCR */
1191             tk->i_pts = 0;
1192             p_sys->i_pcr = 0;
1193             i_pcr = 0;
1194         }
1195     }
1196
1197     if( p_sys->b_multicast && p_sys->b_no_data &&
1198         ( p_sys->i_no_data_ti > 120 ) )
1199     {
1200         /* FIXME Make this configurable
1201         msg_Err( p_demux, "no multicast data received in 36s, aborting" );
1202         return 0;
1203         */
1204     }
1205     else if( !p_sys->b_multicast && p_sys->b_no_data &&
1206              ( p_sys->i_no_data_ti > 34 ) )
1207     {
1208         bool b_rtsp_tcp = var_GetBool( p_demux, "rtsp-tcp" ) ||
1209                                 var_GetBool( p_demux, "rtsp-http" );
1210
1211         if( !b_rtsp_tcp && p_sys->rtsp && p_sys->ms )
1212         {
1213             msg_Warn( p_demux, "no data received in 10s. Switching to TCP" );
1214             if( RollOverTcp( p_demux ) )
1215             {
1216                 msg_Err( p_demux, "TCP rollover failed, aborting" );
1217                 return 0;
1218             }
1219         }
1220         msg_Err( p_demux, "no data received in 10s, aborting" );
1221         return 0;
1222     }
1223     else if( !p_sys->b_multicast && p_sys->i_no_data_ti > 34 )
1224     {
1225         /* EOF ? */
1226         msg_Warn( p_demux, "no data received in 10s, eof ?" );
1227         return 0;
1228     }
1229     return p_demux->b_error ? 0 : 1;
1230 }
1231
1232 /*****************************************************************************
1233  * Control:
1234  *****************************************************************************/
1235 static int Control( demux_t *p_demux, int i_query, va_list args )
1236 {
1237     demux_sys_t *p_sys = p_demux->p_sys;
1238     int64_t *pi64;
1239     double  *pf, f;
1240     bool *pb, *pb2, b_bool;
1241     int *pi_int;
1242
1243     switch( i_query )
1244     {
1245         case DEMUX_GET_TIME:
1246             pi64 = (int64_t*)va_arg( args, int64_t * );
1247             if( p_sys->i_npt > 0 )
1248             {
1249                 *pi64 = p_sys->i_npt;
1250                 return VLC_SUCCESS;
1251             }
1252             return VLC_EGENERIC;
1253
1254         case DEMUX_GET_LENGTH:
1255             pi64 = (int64_t*)va_arg( args, int64_t * );
1256             if( p_sys->i_npt_length > 0 )
1257             {
1258                 *pi64 = p_sys->i_npt_length;
1259                 return VLC_SUCCESS;
1260             }
1261             return VLC_EGENERIC;
1262
1263         case DEMUX_GET_POSITION:
1264             pf = (double*)va_arg( args, double* );
1265             if( p_sys->i_npt_length > 0 && p_sys->i_npt > 0 )
1266             {
1267                 *pf = (double)p_sys->i_npt / (double)p_sys->i_npt_length;
1268                 return VLC_SUCCESS;
1269             }
1270             return VLC_EGENERIC;
1271
1272         case DEMUX_SET_POSITION:
1273         {
1274             float time;
1275
1276             f = (double)va_arg( args, double );
1277             if( p_sys->rtsp && p_sys->i_npt_length > 0 )
1278             {
1279                 int i;
1280                 time = f * (double)p_sys->i_npt_length / (double)1000000.0;   /* in second */
1281                 if( !p_sys->rtsp->playMediaSession( *p_sys->ms, time, -1, 1 ) )
1282                 {
1283                     msg_Err( p_demux, "PLAY failed %s",
1284                         p_sys->env->getResultMsg() );
1285                     return VLC_EGENERIC;
1286                 }
1287                 es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
1288                 p_sys->i_pcr = 0;
1289 #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 1195257600)
1290                 /* Retrieve RTP-Info values */
1291                 for( i = 0; i < p_sys->i_track; i++ )
1292                 {
1293                     //if( !p_sys->track[i]->b_rtcp_sync )
1294                     p_sys->track[i]->b_rtcp_sync = false;
1295                     p_sys->track[i]->i_pts = (int64_t) ( p_sys->track[i]->sub->rtpInfo.timestamp * (double)1000000.0 );
1296                     p_sys->track[i]->i_start_seq = p_sys->track[i]->sub->rtpInfo.seqNum;
1297                     msg_Info( p_demux, "set pos startseq: %u", p_sys->track[i]->i_start_seq );
1298                 }
1299 #endif
1300 #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 1199404800)
1301                 /* Retrieve the starttime if possible */
1302                 p_sys->i_npt_start = (int64_t)( p_sys->ms->playStartTime() * (double)1000000.0 );
1303 #else
1304                 p_sys->i_npt_start = -1;
1305 #endif
1306                 if( p_sys->i_npt_start < 0 )
1307                 {
1308                     p_sys->i_npt_start = -1;
1309                     p_sys->i_npt = 0;
1310                 }
1311                 else
1312                     p_sys->i_npt = p_sys->i_npt_start;
1313
1314 #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 1199404800)
1315                 /* Retrieve the duration if possible */
1316                 p_sys->i_npt_length = (int64_t)( p_sys->ms->playEndTime() * (double)1000000.0 );
1317 #else
1318                 p_sys->i_npt_length = -1;
1319 #endif
1320                 if( p_sys->i_npt_length < 0 )
1321                     p_sys->i_npt_length = -1;
1322
1323                 msg_Dbg( p_demux, "seek start: %lld stop:%lld", p_sys->i_npt_start, p_sys->i_npt_length );
1324                 return VLC_SUCCESS;
1325             }
1326             return VLC_EGENERIC;
1327         }
1328         /* Special for access_demux */
1329         case DEMUX_CAN_PAUSE:
1330         case DEMUX_CAN_SEEK:
1331             pb = (bool*)va_arg( args, bool * );
1332             if( p_sys->rtsp && p_sys->i_npt_length )
1333                 /* Not always true, but will be handled in SET_PAUSE_STATE */
1334                 *pb = true;
1335             else
1336                 *pb = false;
1337             return VLC_SUCCESS;
1338
1339         case DEMUX_CAN_CONTROL_PACE:
1340             pb = (bool*)va_arg( args, bool * );
1341
1342 #if 1       /* Disable for now until we have a clock synchro algo
1343              * which works with something else than MPEG over UDP */
1344             *pb = false;
1345 #else
1346             *pb = true;
1347 #endif
1348             return VLC_SUCCESS;
1349
1350 #if 0
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 && p_sys->i_npt_length > 0 && !var_GetBool( p_demux, "rtsp-kasenna" );
1356             *pb2 = false;
1357             return VLC_SUCCESS;
1358
1359         case DEMUX_SET_RATE:
1360         {
1361             double f_scale;
1362
1363             if( !p_sys->rtsp || p_sys->i_npt_length <= 0 || var_GetBool( p_demux, "rtsp-kasenna" ) )
1364                 return VLC_EGENERIC;
1365
1366             /* TODO we might want to ensure that the new rate is different from
1367              * old rate after playMediaSession...
1368              * I have no idea how the server map the requested rate to the
1369              * ones it supports.
1370              * ex:
1371              *  current is x2 we request x1.5 if the server return x2 we will
1372              *  never succeed to return to x1.
1373              *  In this case we should retry with a lower rate until we have
1374              *  one (even x1).
1375              */
1376
1377             pi_int = (int*)va_arg( args, int * );
1378             f_scale = (double)INPUT_RATE_DEFAULT / (*p_int);
1379
1380             /* Passing -1 for the start and end time will mean liveMedia won't
1381             * create a Range: section for the RTSP message. The server should
1382             * pick up from the current position */
1383             if( !p_sys->rtsp->playMediaSession( *p_sys->ms, -1, -1, f_scale ) )
1384             {
1385                 msg_Err( p_demux, "PLAY with Scale %0.2f failed %s", f_scale,
1386                         p_sys->env->getResultMsg() );
1387                 return VLC_EGENERIC;
1388             }
1389             /* ReSync the stream */
1390             p_sys->i_npt_start = 0;
1391             p_sys->i_pcr = 0;
1392             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
1393
1394             *pi_int = (int)( INPUT_RATE_DEFAULT / p_sys->ms->scale() + 0.5 );
1395             return VLC_SUCCESS;
1396         }
1397 #endif
1398
1399         case DEMUX_SET_PAUSE_STATE:
1400         {
1401             double d_npt = (double) p_sys->i_npt / INT64_C(1000000);
1402             int i;
1403
1404             b_bool = (bool)va_arg( args, int );
1405             if( p_sys->rtsp == NULL )
1406                 return VLC_EGENERIC;
1407
1408             /* FIXME */
1409             if( ( b_bool && !p_sys->rtsp->pauseMediaSession( *p_sys->ms ) ) ||
1410                     ( !b_bool && !p_sys->rtsp->playMediaSession( *p_sys->ms,
1411                       d_npt > 0 ? d_npt : -1 ) ) )
1412             {
1413                     msg_Err( p_demux, "PLAY or PAUSE failed %s", p_sys->env->getResultMsg() );
1414                     return VLC_EGENERIC;
1415             }
1416
1417             /* When we Pause, we'll need the TimeoutPrevention thread to
1418              * handle sending the "Keep Alive" message to the server. 
1419              * Unfortunately Live555 isn't thread safe and so can't 
1420              * do this normally while the main Demux thread is handling
1421              * a live stream. We end up with the Timeout thread blocking
1422              * waiting for a response from the server. So when we PAUSE
1423              * we set a flag that the TimeoutPrevention function will check
1424              * and if it's set, it will trigger the GET_PARAMETER message */
1425             if( b_bool && p_sys->p_timeout != NULL )
1426                 p_sys->p_timeout->b_handle_keep_alive = true;
1427             else if( !b_bool && p_sys->p_timeout != NULL ) 
1428                 p_sys->p_timeout->b_handle_keep_alive = false;
1429
1430             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
1431             p_sys->i_pcr = 0;
1432 #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 1195257600)
1433             for( i = 0; i < p_sys->i_track; i++ )
1434             {
1435                 if( !p_sys->track[i]->b_rtcp_sync )
1436                     p_sys->track[i]->i_pts = 0; // (int64_t) ( p_sys->track[i]->sub->rtpInfo.timestamp * (double)1000000.0 );
1437                 p_sys->track[i]->i_start_seq = p_sys->track[i]->sub->rtpInfo.seqNum;
1438                 msg_Info( p_demux, "set pause startseq: %u", p_sys->track[i]->i_start_seq );
1439             }
1440 #endif
1441 #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 1199404800)
1442             /* Retrieve the starttime if possible */
1443             p_sys->i_npt_start = (int64_t)( p_sys->ms->playStartTime() * (double)1000000.0 );
1444 #else
1445             p_sys->i_npt_start = -1;
1446 #endif
1447             if( p_sys->i_npt_start < 0 )
1448             {
1449                 p_sys->i_npt_start = -1;
1450                 p_sys->i_npt = 0;
1451             }
1452             else
1453                 p_sys->i_npt = p_sys->i_npt_start;
1454
1455 #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 1199404800)
1456             /* Retrieve the duration if possible */
1457             p_sys->i_npt_length = (int64_t)( p_sys->ms->playEndTime() * (double)1000000.0 );
1458 #else
1459             p_sys->i_npt_length = -1;
1460 #endif
1461             if( p_sys->i_npt_length < 0 )
1462                 p_sys->i_npt_length = -1;
1463
1464             msg_Dbg( p_demux, "pause start: %lld stop:%lld", p_sys->i_npt_start, p_sys->i_npt_length );
1465             return VLC_SUCCESS;
1466         }
1467         case DEMUX_GET_TITLE_INFO:
1468         case DEMUX_SET_TITLE:
1469         case DEMUX_SET_SEEKPOINT:
1470             return VLC_EGENERIC;
1471
1472         case DEMUX_GET_PTS_DELAY:
1473             pi64 = (int64_t*)va_arg( args, int64_t * );
1474             *pi64 = (int64_t)var_GetInteger( p_demux, "rtsp-caching" ) * 1000;
1475             return VLC_SUCCESS;
1476
1477         default:
1478             return VLC_EGENERIC;
1479     }
1480 }
1481
1482 /*****************************************************************************
1483  * RollOverTcp: reopen the rtsp into TCP mode
1484  * XXX: ugly, a lot of code are duplicated from Open()
1485  * This should REALLY be fixed
1486  *****************************************************************************/
1487 static int RollOverTcp( demux_t *p_demux )
1488 {
1489     demux_sys_t *p_sys = p_demux->p_sys;
1490     int i, i_return;
1491
1492     var_SetBool( p_demux, "rtsp-tcp", true );
1493
1494     /* We close the old RTSP session */
1495     for( i = 0; i < p_sys->i_track; i++ )
1496     {
1497         live_track_t *tk = p_sys->track[i];
1498
1499         if( tk->b_muxed ) stream_DemuxDelete( tk->p_out_muxed );
1500         es_format_Clean( &tk->fmt );
1501         free( tk->p_buffer );
1502         free( tk );
1503     }
1504     if( p_sys->i_track ) free( p_sys->track );
1505     if( p_sys->p_out_asf ) stream_DemuxDelete( p_sys->p_out_asf );
1506
1507     p_sys->rtsp->teardownMediaSession( *p_sys->ms );
1508     Medium::close( p_sys->ms );
1509     RTSPClient::close( p_sys->rtsp );
1510
1511     p_sys->ms = NULL;
1512     p_sys->rtsp = NULL;
1513     p_sys->track = NULL;
1514     p_sys->i_track = 0;
1515
1516     /* Reopen rtsp client */
1517     if( ( p_demux->s != NULL ) &&
1518         ( i_return = Connect( p_demux ) ) != VLC_SUCCESS )
1519     {
1520         msg_Err( p_demux, "Failed to connect with rtsp://%s",
1521                  p_sys->psz_path );
1522         goto error;
1523     }
1524
1525     if( p_sys->p_sdp == NULL )
1526     {
1527         msg_Err( p_demux, "Failed to retrieve the RTSP Session Description" );
1528         goto error;
1529     }
1530
1531     if( ( i_return = SessionsSetup( p_demux ) ) != VLC_SUCCESS )
1532     {
1533         msg_Err( p_demux, "Nothing to play for rtsp://%s", p_sys->psz_path );
1534         goto error;
1535     }
1536
1537     if( ( i_return = Play( p_demux ) ) != VLC_SUCCESS )
1538         goto error;
1539
1540     return VLC_SUCCESS;
1541
1542 error:
1543     return VLC_EGENERIC;
1544 }
1545
1546
1547 /*****************************************************************************
1548  *
1549  *****************************************************************************/
1550 static void StreamRead( void *p_private, unsigned int i_size,
1551                         unsigned int i_truncated_bytes, struct timeval pts,
1552                         unsigned int duration )
1553 {
1554     live_track_t   *tk = (live_track_t*)p_private;
1555     demux_t        *p_demux = tk->p_demux;
1556     demux_sys_t    *p_sys = p_demux->p_sys;
1557     block_t        *p_block;
1558
1559     //msg_Dbg( p_demux, "pts: %d", pts.tv_sec );
1560
1561     int64_t i_pts = (uint64_t)pts.tv_sec * UINT64_C(1000000) +
1562         (uint64_t)pts.tv_usec;
1563
1564     /* XXX Beurk beurk beurk Avoid having negative value XXX */
1565     i_pts &= UINT64_C(0x00ffffffffffffff);
1566
1567     if( tk->b_quicktime && tk->p_es == NULL )
1568     {
1569         QuickTimeGenericRTPSource *qtRTPSource =
1570             (QuickTimeGenericRTPSource*)tk->sub->rtpSource();
1571         QuickTimeGenericRTPSource::QTState &qtState = qtRTPSource->qtState;
1572         uint8_t *sdAtom = (uint8_t*)&qtState.sdAtom[4];
1573
1574         if( tk->fmt.i_cat == VIDEO_ES ) {
1575             if( qtState.sdAtomSize < 16 + 32 )
1576             {
1577                 /* invalid */
1578                 p_sys->event = 0xff;
1579                 tk->waiting = 0;
1580                 return;
1581             }
1582             tk->fmt.i_codec = VLC_FOURCC(sdAtom[0],sdAtom[1],sdAtom[2],sdAtom[3]);
1583             tk->fmt.video.i_width  = (sdAtom[28] << 8) | sdAtom[29];
1584             tk->fmt.video.i_height = (sdAtom[30] << 8) | sdAtom[31];
1585
1586             if( tk->fmt.i_codec == VLC_FOURCC('a', 'v', 'c', '1') )
1587             {
1588                 uint8_t *pos = (uint8_t*)qtRTPSource->qtState.sdAtom + 86;
1589                 uint8_t *endpos = (uint8_t*)qtRTPSource->qtState.sdAtom
1590                                   + qtRTPSource->qtState.sdAtomSize;
1591                 while (pos+8 < endpos) {
1592                     unsigned int atomLength = pos[0]<<24 | pos[1]<<16 | pos[2]<<8 | pos[3];
1593                     if( atomLength == 0 || atomLength > (unsigned int)(endpos-pos)) break;
1594                     if( memcmp(pos+4, "avcC", 4) == 0 &&
1595                         atomLength > 8 &&
1596                         atomLength <= INT_MAX )
1597                     {
1598                         tk->fmt.i_extra = atomLength-8;
1599                         tk->fmt.p_extra = malloc( tk->fmt.i_extra );
1600                         memcpy(tk->fmt.p_extra, pos+8, atomLength-8);
1601                         break;
1602                     }
1603                     pos += atomLength;
1604                 }
1605             }
1606             else
1607             {
1608                 tk->fmt.i_extra        = qtState.sdAtomSize - 16;
1609                 tk->fmt.p_extra        = malloc( tk->fmt.i_extra );
1610                 memcpy( tk->fmt.p_extra, &sdAtom[12], tk->fmt.i_extra );
1611             }
1612         }
1613         else {
1614             if( qtState.sdAtomSize < 4 )
1615             {
1616                 /* invalid */
1617                 p_sys->event = 0xff;
1618                 tk->waiting = 0;
1619                 return;
1620             }
1621             tk->fmt.i_codec = VLC_FOURCC(sdAtom[0],sdAtom[1],sdAtom[2],sdAtom[3]);
1622         }
1623         tk->p_es = es_out_Add( p_demux->out, &tk->fmt );
1624     }
1625
1626 #if 0
1627     fprintf( stderr, "StreamRead size=%d pts=%lld\n",
1628              i_size,
1629              pts.tv_sec * 1000000LL + pts.tv_usec );
1630 #endif
1631
1632     /* grow buffer if it looks like buffer is too small, but don't eat
1633      * up all the memory on strange streams */
1634     if( i_truncated_bytes > 0 && tk->i_buffer < 2000000 )
1635     {
1636         void *p_tmp;
1637         msg_Dbg( p_demux, "lost %d bytes", i_truncated_bytes );
1638         msg_Dbg( p_demux, "increasing buffer size to %d", tk->i_buffer * 2 );
1639         tk->i_buffer *= 2;
1640         p_tmp = realloc( tk->p_buffer, tk->i_buffer );
1641         if( p_tmp == NULL )
1642         {
1643             msg_Warn( p_demux, "realloc failed" );
1644         }
1645         else
1646         {
1647             tk->p_buffer = (uint8_t*)p_tmp;
1648         }
1649     }
1650     if( i_size > tk->i_buffer )
1651     {
1652         msg_Warn( p_demux, "buffer overflow" );
1653     }
1654     /* FIXME could i_size be > buffer size ? */
1655     if( tk->fmt.i_codec == VLC_FOURCC('s','a','m','r') ||
1656         tk->fmt.i_codec == VLC_FOURCC('s','a','w','b') )
1657     {
1658         AMRAudioSource *amrSource = (AMRAudioSource*)tk->sub->readSource();
1659
1660         p_block = block_New( p_demux, i_size + 1 );
1661         p_block->p_buffer[0] = amrSource->lastFrameHeader();
1662         memcpy( p_block->p_buffer + 1, tk->p_buffer, i_size );
1663     }
1664     else if( tk->fmt.i_codec == VLC_FOURCC('H','2','6','1') )
1665     {
1666 #if LIVEMEDIA_LIBRARY_VERSION_INT >= 1081468800
1667         H261VideoRTPSource *h261Source = (H261VideoRTPSource*)tk->sub->rtpSource();
1668         uint32_t header = h261Source->lastSpecialHeader();
1669 #else
1670         uint32_t header = 0;
1671         msg_Warn( p_demux, "need livemedia library >= \"2004.04.09\"" );
1672 #endif
1673         p_block = block_New( p_demux, i_size + 4 );
1674         memcpy( p_block->p_buffer, &header, 4 );
1675         memcpy( p_block->p_buffer + 4, tk->p_buffer, i_size );
1676
1677         if( tk->sub->rtpSource()->curPacketMarkerBit() )
1678             p_block->i_flags |= BLOCK_FLAG_END_OF_FRAME;
1679     }
1680     else if( tk->fmt.i_codec == VLC_FOURCC('h','2','6','4') )
1681     {
1682         if( (tk->p_buffer[0] & 0x1f) >= 24 )
1683             msg_Warn( p_demux, "unsupported NAL type for H264" );
1684
1685         /* Normal NAL type */
1686         p_block = block_New( p_demux, i_size + 4 );
1687         p_block->p_buffer[0] = 0x00;
1688         p_block->p_buffer[1] = 0x00;
1689         p_block->p_buffer[2] = 0x00;
1690         p_block->p_buffer[3] = 0x01;
1691         memcpy( &p_block->p_buffer[4], tk->p_buffer, i_size );
1692     }
1693     else if( tk->b_asf )
1694     {
1695         int i_copy = __MIN( p_sys->asfh.i_min_data_packet_size, (int)i_size );
1696         p_block = block_New( p_demux, p_sys->asfh.i_min_data_packet_size );
1697
1698         memcpy( p_block->p_buffer, tk->p_buffer, i_copy );
1699     }
1700     else
1701     {
1702         p_block = block_New( p_demux, i_size );
1703         memcpy( p_block->p_buffer, tk->p_buffer, i_size );
1704     }
1705
1706     /* Update NPT */
1707     //msg_Dbg( p_demux, "current %d, start_seq %u", (int)tk->sub->rtpSource()->curPacketRTPSeqNum(), tk->i_start_seq );
1708     if( (tk->fmt.i_cat == VIDEO_ES) && (p_sys->i_pcr < i_pts) &&
1709         (i_pts > 0) && (p_sys->i_pcr > 0) )
1710     {
1711         p_sys->i_npt += __MAX( 0, i_pts - p_sys->i_pcr );
1712         p_sys->i_pcr = i_pts;
1713         //msg_Dbg( p_demux, "npt update" );
1714     }
1715     else if( /*tk->fmt.i_cat == VIDEO_ES &&*/ p_sys->i_pcr < i_pts )
1716     {
1717         p_sys->i_pcr = i_pts;
1718     }
1719     //msg_Dbg( p_demux, "npt %lld", p_sys->i_npt );
1720
1721     if( (i_pts != tk->i_pts) && (!tk->b_muxed) )
1722     {
1723         p_block->i_pts = i_pts;
1724     }
1725     if( !tk->b_muxed )
1726     {
1727         /*FIXME: for h264 you should check that packetization-mode=1 in sdp-file */
1728         p_block->i_dts = ( tk->fmt.i_codec == VLC_FOURCC( 'm', 'p', 'g', 'v' ) ) ? 0 : i_pts;
1729     }
1730
1731     if( tk->b_muxed )
1732     {
1733         stream_DemuxSend( tk->p_out_muxed, p_block );
1734     }
1735     else if( tk->b_asf )
1736     {
1737         stream_DemuxSend( p_sys->p_out_asf, p_block );
1738     }
1739     else
1740     {
1741         es_out_Send( p_demux->out, tk->p_es, p_block );
1742     }
1743
1744     /* warn that's ok */
1745     p_sys->event = 0xff;
1746
1747     /* we have read data */
1748     tk->waiting = 0;
1749     p_demux->p_sys->b_no_data = false;
1750     p_demux->p_sys->i_no_data_ti = 0;
1751
1752     if( i_pts > 0 && !tk->b_muxed )
1753     {
1754         tk->i_pts = i_pts;
1755     }
1756 }
1757
1758 /*****************************************************************************
1759  *
1760  *****************************************************************************/
1761 static void StreamClose( void *p_private )
1762 {
1763     live_track_t   *tk = (live_track_t*)p_private;
1764     demux_t        *p_demux = tk->p_demux;
1765     demux_sys_t    *p_sys = p_demux->p_sys;
1766
1767     msg_Dbg( p_demux, "StreamClose" );
1768
1769     p_sys->event = 0xff;
1770     p_demux->b_error = true;
1771 }
1772
1773
1774 /*****************************************************************************
1775  *
1776  *****************************************************************************/
1777 static void TaskInterrupt( void *p_private )
1778 {
1779     demux_t *p_demux = (demux_t*)p_private;
1780
1781     p_demux->p_sys->i_no_data_ti++;
1782
1783     /* Avoid lock */
1784     p_demux->p_sys->event = 0xff;
1785 }
1786
1787 /*****************************************************************************
1788  *
1789  *****************************************************************************/
1790 static void TimeoutPrevention( timeout_thread_t *p_timeout )
1791 {
1792     p_timeout->b_die = false;
1793     p_timeout->i_remain = (int64_t)p_timeout->p_sys->i_timeout -2;
1794     p_timeout->i_remain *= 1000000;
1795
1796     vlc_thread_ready( p_timeout );
1797
1798     /* Avoid lock */
1799     while( !p_timeout->b_die )
1800     {
1801         if( p_timeout->i_remain <= 0 )
1802         {
1803             char *psz_bye = NULL;
1804             p_timeout->i_remain = (int64_t)p_timeout->p_sys->i_timeout -2;
1805             p_timeout->i_remain *= 1000000;
1806             msg_Dbg( p_timeout, "reset the timeout timer" );
1807             if( p_timeout->b_handle_keep_alive == true )
1808             {
1809 #if LIVEMEDIA_LIBRARY_VERSION_INT >= 1138089600
1810                 p_timeout->p_sys->rtsp->getMediaSessionParameter( *p_timeout->p_sys->ms, NULL, psz_bye );
1811 #endif
1812                 p_timeout->p_sys->b_timeout_call = false;
1813             }
1814             else
1815             {
1816                 p_timeout->p_sys->b_timeout_call = true;
1817             }
1818         }
1819         p_timeout->i_remain -= 200000;
1820         msleep( 200000 ); /* 200 ms */
1821     }
1822 }
1823
1824 /*****************************************************************************
1825  *
1826  *****************************************************************************/
1827 static int b64_decode( char *dest, char *src );
1828
1829 static int ParseASF( demux_t *p_demux )
1830 {
1831     demux_sys_t    *p_sys = p_demux->p_sys;
1832
1833     const char *psz_marker = "a=pgmpu:data:application/vnd.ms.wms-hdr.asfv1;base64,";
1834     char *psz_asf = strcasestr( p_sys->p_sdp, psz_marker );
1835     char *psz_end;
1836     block_t *p_header;
1837
1838     /* Parse the asf header */
1839     if( psz_asf == NULL )
1840         return VLC_EGENERIC;
1841
1842     psz_asf += strlen( psz_marker );
1843     psz_asf = strdup( psz_asf );    /* Duplicate it */
1844     psz_end = strchr( psz_asf, '\n' );
1845
1846     while( psz_end > psz_asf && ( *psz_end == '\n' || *psz_end == '\r' ) )
1847         *psz_end-- = '\0';
1848
1849     if( psz_asf >= psz_end )
1850     {
1851         free( psz_asf );
1852         return VLC_EGENERIC;
1853     }
1854
1855     /* Always smaller */
1856     p_header = block_New( p_demux, psz_end - psz_asf );
1857     p_header->i_buffer = b64_decode( (char*)p_header->p_buffer, psz_asf );
1858     //msg_Dbg( p_demux, "Size=%d Hdrb64=%s", p_header->i_buffer, psz_asf );
1859     if( p_header->i_buffer <= 0 )
1860     {
1861         free( psz_asf );
1862         return VLC_EGENERIC;
1863     }
1864
1865     /* Parse it to get packet size */
1866     asf_HeaderParse( &p_sys->asfh, p_header->p_buffer, p_header->i_buffer );
1867
1868     /* Send it to demuxer */
1869     stream_DemuxSend( p_sys->p_out_asf, p_header );
1870
1871     free( psz_asf );
1872     return VLC_SUCCESS;
1873 }
1874
1875
1876 static unsigned char* parseH264ConfigStr( char const* configStr,
1877                                           unsigned int& configSize )
1878 {
1879     char *dup, *psz;
1880     int i, i_records = 1;
1881
1882     if( configSize )
1883     configSize = 0;
1884
1885     if( configStr == NULL || *configStr == '\0' )
1886         return NULL;
1887
1888     psz = dup = strdup( configStr );
1889
1890     /* Count the number of comma's */
1891     for( psz = dup; *psz != '\0'; ++psz )
1892     {
1893         if( *psz == ',')
1894         {
1895             ++i_records;
1896             *psz = '\0';
1897         }
1898     }
1899
1900     unsigned char *cfg = new unsigned char[5 * strlen(dup)];
1901     psz = dup;
1902     for( i = 0; i < i_records; i++ )
1903     {
1904         cfg[configSize++] = 0x00;
1905         cfg[configSize++] = 0x00;
1906         cfg[configSize++] = 0x00;
1907         cfg[configSize++] = 0x01;
1908
1909         configSize += b64_decode( (char*)&cfg[configSize], psz );
1910         psz += strlen(psz)+1;
1911     }
1912
1913     free( dup );
1914     return cfg;
1915 }
1916
1917 /*char b64[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";*/
1918 static int b64_decode( char *dest, char *src )
1919 {
1920     const char *dest_start = dest;
1921     int  i_level;
1922     int  last = 0;
1923     int  b64[256] = {
1924         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* 00-0F */
1925         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* 10-1F */
1926         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,62,-1,-1,-1,63,  /* 20-2F */
1927         52,53,54,55,56,57,58,59,60,61,-1,-1,-1,-1,-1,-1,  /* 30-3F */
1928         -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10,11,12,13,14,  /* 40-4F */
1929         15,16,17,18,19,20,21,22,23,24,25,-1,-1,-1,-1,-1,  /* 50-5F */
1930         -1,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,  /* 60-6F */
1931         41,42,43,44,45,46,47,48,49,50,51,-1,-1,-1,-1,-1,  /* 70-7F */
1932         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* 80-8F */
1933         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* 90-9F */
1934         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* A0-AF */
1935         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* B0-BF */
1936         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* C0-CF */
1937         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* D0-DF */
1938         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* E0-EF */
1939         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1   /* F0-FF */
1940         };
1941
1942     for( i_level = 0; *src != '\0'; src++ )
1943     {
1944         int  c;
1945
1946         c = b64[(unsigned int)*src];
1947         if( c == -1 )
1948         {
1949             continue;
1950         }
1951
1952         switch( i_level )
1953         {
1954             case 0:
1955                 i_level++;
1956                 break;
1957             case 1:
1958                 *dest++ = ( last << 2 ) | ( ( c >> 4)&0x03 );
1959                 i_level++;
1960                 break;
1961             case 2:
1962                 *dest++ = ( ( last << 4 )&0xf0 ) | ( ( c >> 2 )&0x0f );
1963                 i_level++;
1964                 break;
1965             case 3:
1966                 *dest++ = ( ( last &0x03 ) << 6 ) | c;
1967                 i_level = 0;
1968         }
1969         last = c;
1970     }
1971
1972     *dest = '\0';
1973
1974     return dest - dest_start;
1975 }