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