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