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
  22  * along with this program; if not, write to the Free Software
  23  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  24  *****************************************************************************/
  25
  26 /*****************************************************************************
  27  * Preamble
  28  *****************************************************************************/
  29
  30 #include <vlc/vlc.h>
  31
  32 #include <vlc_demux.h>
  33 #include <vlc_interface.h>
  34 #include <vlc_network.h>
  35 #include <vlc_url.h>
  36
  37 #include <iostream>
  38
  39 #if defined( WIN32 )
  40 #   include <winsock2.h>
  41 #endif
  42
  43 #include "UsageEnvironment.hh"
  44 #include "BasicUsageEnvironment.hh"
  45 #include "GroupsockHelper.hh"
  46 #include "liveMedia.hh"
  47
  48 extern "C" {
  49 #include "../access/mms/asf.h"  /* Who said ugly ? */
  50 }
  51
  52 using namespace std;
  53
  54 /*****************************************************************************
  55  * Module descriptor
  56  *****************************************************************************/
  57 static int  Open ( vlc_object_t * );
  58 static void Close( vlc_object_t * );
  59
  60 #define CACHING_TEXT N_("Caching value (ms)")
  61 #define CACHING_LONGTEXT N_( \
  62     "Allows you to modify the default caching value for RTSP streams. This " \
  63     "value should be set in millisecond units." )
  64
  65 #define KASENNA_TEXT N_( "Kasenna RTSP dialect")
  66 #define KASENNA_LONGTEXT N_( "Kasenna servers use an old and unstandard " \
  67     "dialect of RTSP. When you set this parameter, VLC will try this dialect "\
  68     "for communication. In this mode you cannot connect to normal RTSP servers." )
  69
  70 #define USER_TEXT N_("RTSP user name")
  71 #define USER_LONGTEXT N_("Allows you to modify the user name that will " \
  72     "be used for authenticating the connection.")
  73 #define PASS_TEXT N_("RTSP password")
  74 #define PASS_LONGTEXT N_("Allows you to modify the password that will be " \
  75     "used for the connection.")
  76
  77 vlc_module_begin();
  78     set_description( _("RTP/RTSP/SDP demuxer (using Live555)" ) );
  79     set_capability( "demux2", 50 );
  80     set_shortname( "RTP/RTSP");
  81     set_callbacks( Open, Close );
  82     add_shortcut( "live" );
  83     add_shortcut( "livedotcom" );
  84     set_category( CAT_INPUT );
  85     set_subcategory( SUBCAT_INPUT_DEMUX );
  86
  87     add_submodule();
  88         set_description( _("RTSP/RTP access and demux") );
  89         add_shortcut( "rtsp" );
  90         add_shortcut( "sdp" );
  91         set_capability( "access_demux", 0 );
  92         set_callbacks( Open, Close );
  93         add_bool( "rtsp-tcp", 0, NULL,
  94                   N_("Use RTP over RTSP (TCP)"),
  95                   N_("Use RTP over RTSP (TCP)"), VLC_TRUE );
  96         add_integer( "rtp-client-port", -1, NULL,
  97                   N_("Client port"),
  98                   N_("Port to use for the RTP source of the session"), VLC_TRUE );
  99         add_bool( "rtsp-http", 0, NULL,
 100                   N_("Tunnel RTSP and RTP over HTTP"),
 101                   N_("Tunnel RTSP and RTP over HTTP"), VLC_TRUE );
 102         add_integer( "rtsp-http-port", 80, NULL,
 103                   N_("HTTP tunnel port"),
 104                   N_("Port to use for tunneling the RTSP/RTP over HTTP."),
 105                   VLC_TRUE );
 106         add_integer("rtsp-caching", 4 * DEFAULT_PTS_DELAY / 1000, NULL,
 107                     CACHING_TEXT, CACHING_LONGTEXT, VLC_TRUE );
 108         add_bool(   "rtsp-kasenna", VLC_FALSE, NULL, KASENNA_TEXT,
 109                     KASENNA_LONGTEXT, VLC_TRUE );
 110         add_string( "rtsp-user", NULL, NULL, USER_TEXT,
 111                     USER_LONGTEXT, VLC_TRUE );
 112         add_string( "rtsp-pwd", NULL, NULL, PASS_TEXT,
 113                     PASS_LONGTEXT, VLC_TRUE );
 114 vlc_module_end();
 115
 116
 117 /*****************************************************************************
 118  * Local prototypes
 119  *****************************************************************************/
 120
 121 typedef struct
 122 {
 123     demux_t         *p_demux;
 124     MediaSubsession *sub;
 125
 126     es_format_t     fmt;
 127     es_out_id_t     *p_es;
 128
 129     vlc_bool_t      b_muxed;
 130     vlc_bool_t      b_quicktime;
 131     vlc_bool_t      b_asf;
 132     stream_t        *p_out_muxed;    /* for muxed stream */
 133
 134     uint8_t         *p_buffer;
 135     unsigned int    i_buffer;
 136
 137     vlc_bool_t      b_rtcp_sync;
 138     char            waiting;
 139     int64_t         i_pts;
 140     u_int32_t       i_start_seq;
 141
 142 } live_track_t;
 143
 144 struct timeout_thread_t
 145 {
 146     VLC_COMMON_MEMBERS
 147
 148     int64_t      i_remain;
 149     vlc_bool_t   b_handle_keep_alive;
 150     demux_sys_t  *p_sys;
 151 };
 152
 153 struct demux_sys_t
 154 {
 155     char            *p_sdp;    /* XXX mallocated */
 156     char            *psz_path; /* URL-encoded path */
 157     vlc_url_t       url;
 158
 159     MediaSession     *ms;
 160     TaskScheduler    *scheduler;
 161     UsageEnvironment *env ;
 162     RTSPClient       *rtsp;
 163
 164     /* */
 165     int              i_track;
 166     live_track_t     **track;   /* XXX mallocated */
 167
 168     /* Weird formats */
 169     asf_header_t     asfh;
 170     stream_t         *p_out_asf;
 171     vlc_bool_t       b_real;
 172
 173     /* */
 174     int64_t          i_pcr; /* The clock */
 175     int64_t          i_npt; /* The current time in the stream */
 176     int64_t          i_npt_length;
 177     int64_t          i_npt_start;
 178
 179     /* timeout thread information */
 180     int              i_timeout;     /* session timeout value in seconds */
 181     vlc_bool_t       b_timeout_call;/* mark to send an RTSP call to prevent server timeout */
 182     timeout_thread_t *p_timeout;    /* the actual thread that makes sure we don't timeout */
 183
 184     /* */
 185     vlc_bool_t       b_multicast;   /* true if one of the tracks is multicasted */
 186     vlc_bool_t       b_no_data;     /* true if we never receive any data */
 187     int              i_no_data_ti;  /* consecutive number of TaskInterrupt */
 188
 189     char             event;
 190 };
 191
 192 static int Demux  ( demux_t * );
 193 static int Control( demux_t *, int, va_list );
 194
 195 static int Connect      ( demux_t * );
 196 static int SessionsSetup( demux_t * );
 197 static int Play         ( demux_t *);
 198 static int ParseASF     ( demux_t * );
 199 static int RollOverTcp  ( demux_t * );
 200
 201 static void StreamRead  ( void *, unsigned int, unsigned int,
 202                           struct timeval, unsigned int );
 203 static void StreamClose ( void * );
 204 static void TaskInterrupt( void * );
 205
 206 static void TimeoutPrevention( timeout_thread_t * );
 207
 208 static unsigned char* parseH264ConfigStr( char const* configStr,
 209                                           unsigned int& configSize );
 210
 211 /*****************************************************************************
 212  * DemuxOpen:
 213  *****************************************************************************/
 214 static int  Open ( vlc_object_t *p_this )
 215 {
 216     demux_t     *p_demux = (demux_t*)p_this;
 217     demux_sys_t *p_sys = NULL;
 218
 219     MediaSubsessionIterator *iter   = NULL;
 220     MediaSubsession         *sub    = NULL;
 221     int i, i_return;
 222     int i_error = VLC_EGENERIC;
 223
 224     if( p_demux->s )
 225     {
 226         /* See if it looks like a SDP
 227            v, o, s fields are mandatory and in this order */
 228         const uint8_t *p_peek;
 229         if( stream_Peek( p_demux->s, &p_peek, 7 ) < 7 ) return VLC_EGENERIC;
 230
 231         if( memcmp( p_peek, "v=0\r\n", 5 ) &&
 232             memcmp( p_peek, "v=0\n", 4 ) &&
 233             ( p_peek[0] < 'a' || p_peek[0] > 'z' || p_peek[1] != '=' ) )
 234         {
 235             return VLC_EGENERIC;
 236         }
 237     }
 238     else
 239     {
 240         var_Create( p_demux, "rtsp-caching", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
 241     }
 242
 243     p_demux->pf_demux  = Demux;
 244     p_demux->pf_control= Control;
 245     p_demux->p_sys     = p_sys = (demux_sys_t*)malloc( sizeof( demux_sys_t ) );
 246     if( !p_sys ) return VLC_ENOMEM;
 247
 248     p_sys->p_sdp = NULL;
 249     p_sys->scheduler = NULL;
 250     p_sys->env = NULL;
 251     p_sys->ms = NULL;
 252     p_sys->rtsp = NULL;
 253     p_sys->i_track = 0;
 254     p_sys->track   = NULL;
 255     p_sys->i_pcr = 0;
 256     p_sys->i_npt = 0;
 257     p_sys->i_npt_start = 0;
 258     p_sys->i_npt_length = 0;
 259     p_sys->p_out_asf = NULL;
 260     p_sys->b_no_data = VLC_TRUE;
 261     p_sys->i_no_data_ti = 0;
 262     p_sys->p_timeout = NULL;
 263     p_sys->i_timeout = 0;
 264     p_sys->b_timeout_call = VLC_FALSE;
 265     p_sys->b_multicast = VLC_FALSE;
 266     p_sys->b_real = VLC_FALSE;
 267     p_sys->psz_path = strdup( p_demux->psz_path );
 268
 269     /* parse URL for rtsp://[user:[passwd]@]serverip:port/options */
 270     vlc_UrlParse( &p_sys->url, p_sys->psz_path, 0 );
 271
 272     if( ( p_sys->scheduler = BasicTaskScheduler::createNew() ) == NULL )
 273     {
 274         msg_Err( p_demux, "BasicTaskScheduler::createNew failed" );
 275         goto error;
 276     }
 277     if( !( p_sys->env = BasicUsageEnvironment::createNew(*p_sys->scheduler) ) )
 278     {
 279         msg_Err( p_demux, "BasicUsageEnvironment::createNew failed" );
 280         goto error;
 281     }
 282
 283     if( strcasecmp( p_demux->psz_access, "sdp" ) )
 284     {
 285         char *p = p_sys->psz_path;
 286         while( (p = strchr( p, ' ' )) != NULL ) *p = '+';
 287     }
 288
 289     if( p_demux->s != NULL )
 290     {
 291         /* Gather the complete sdp file */
 292         int     i_sdp       = 0;
 293         int     i_sdp_max   = 1000;
 294         uint8_t *p_sdp      = (uint8_t*) malloc( i_sdp_max );
 295
 296         if( !p_sdp )
 297         {
 298             i_error = VLC_ENOMEM;
 299             goto error;
 300         }
 301
 302         for( ;; )
 303         {
 304             int i_read = stream_Read( p_demux->s, &p_sdp[i_sdp],
 305                                       i_sdp_max - i_sdp - 1 );
 306
 307             if( i_read < 0 )
 308             {
 309                 msg_Err( p_demux, "failed to read SDP" );
 310                 free( p_sys );
 311                 return VLC_EGENERIC;
 312             }
 313
 314             i_sdp += i_read;
 315
 316             if( i_read < i_sdp_max - i_sdp - 1 )
 317             {
 318                 p_sdp[i_sdp] = '\0';
 319                 break;
 320             }
 321
 322             i_sdp_max += 1000;
 323             p_sdp = (uint8_t*)realloc( p_sdp, i_sdp_max );
 324         }
 325         p_sys->p_sdp = (char*)p_sdp;
 326     }
 327     else if( ( p_demux->s == NULL ) &&
 328              !strcasecmp( p_demux->psz_access, "sdp" ) )
 329     {
 330         /* sdp:// link from SAP */
 331         p_sys->p_sdp = strdup( p_sys->psz_path );
 332     }
 333     else if( ( i_return = Connect( p_demux ) ) != VLC_SUCCESS )
 334     {
 335         msg_Err( p_demux, "Failed to connect with rtsp://%s", p_sys->psz_path );
 336         goto error;
 337     }
 338
 339     if( p_sys->p_sdp == NULL )
 340     {
 341         msg_Err( p_demux, "Failed to retrieve the RTSP Session Description" );
 342         i_error = VLC_ENOMEM;
 343         goto error;
 344     }
 345
 346     if( ( i_return = SessionsSetup( p_demux ) ) != VLC_SUCCESS )
 347     {
 348         msg_Err( p_demux, "Nothing to play for rtsp://%s", p_sys->psz_path );
 349         goto error;
 350     }
 351
 352     if( p_sys->b_real ) goto error;
 353
 354     if( ( i_return = Play( p_demux ) ) != VLC_SUCCESS )
 355         goto error;
 356
 357     if( p_sys->p_out_asf && ParseASF( p_demux ) )
 358     {
 359         msg_Err( p_demux, "cannot find a usable asf header" );
 360         /* TODO Clean tracks */
 361         goto error;
 362     }
 363
 364     if( p_sys->i_track <= 0 )
 365         goto error;
 366
 367     return VLC_SUCCESS;
 368
 369 error:
 370     for( i = 0; i < p_sys->i_track; i++ )
 371     {
 372         live_track_t *tk = p_sys->track[i];
 373
 374         if( tk->b_muxed ) stream_DemuxDelete( tk->p_out_muxed );
 375         free( tk->p_buffer );
 376         free( tk );
 377     }
 378
 379     if( p_sys->i_track ) free( p_sys->track );
 380     if( p_sys->p_out_asf ) stream_DemuxDelete( p_sys->p_out_asf );
 381     if( p_sys->rtsp && p_sys->ms ) p_sys->rtsp->teardownMediaSession( *p_sys->ms );
 382     if( p_sys->ms ) Medium::close( p_sys->ms );
 383     if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp );
 384     if( p_sys->env ) p_sys->env->reclaim();
 385     if( p_sys->p_timeout )
 386     {
 387         vlc_object_kill( p_sys->p_timeout );
 388         vlc_thread_join( p_sys->p_timeout );
 389         vlc_object_detach( p_sys->p_timeout );
 390         vlc_object_destroy( p_sys->p_timeout );
 391     }
 392     if( p_sys->scheduler ) delete p_sys->scheduler;
 393     if( p_sys->p_sdp ) free( p_sys->p_sdp );
 394     if( p_sys->psz_path ) free( p_sys->psz_path );
 395
 396     vlc_UrlClean( &p_sys->url );
 397
 398     free( p_sys );
 399     return i_error;
 400 }
 401
 402 /*****************************************************************************
 403  * DemuxClose:
 404  *****************************************************************************/
 405 static void Close( vlc_object_t *p_this )
 406 {
 407     demux_t *p_demux = (demux_t*)p_this;
 408     demux_sys_t *p_sys = p_demux->p_sys;
 409     int i;
 410
 411     for( i = 0; i < p_sys->i_track; i++ )
 412     {
 413         live_track_t *tk = p_sys->track[i];
 414
 415         if( tk->b_muxed ) stream_DemuxDelete( tk->p_out_muxed );
 416         free( tk->p_buffer );
 417         free( tk );
 418     }
 419
 420     if( p_sys->i_track ) free( p_sys->track );
 421     if( p_sys->p_out_asf ) stream_DemuxDelete( p_sys->p_out_asf );
 422     if( p_sys->rtsp && p_sys->ms ) p_sys->rtsp->teardownMediaSession( *p_sys->ms );
 423     if( p_sys->ms ) Medium::close( p_sys->ms );
 424     if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp );
 425     if( p_sys->env ) p_sys->env->reclaim();
 426     if( p_sys->p_timeout )
 427     {
 428         vlc_object_kill( p_sys->p_timeout );
 429         vlc_thread_join( p_sys->p_timeout );
 430         vlc_object_detach( p_sys->p_timeout );
 431         vlc_object_destroy( p_sys->p_timeout );
 432     }
 433     if( p_sys->scheduler ) delete p_sys->scheduler;
 434     if( p_sys->p_sdp ) free( p_sys->p_sdp );
 435     if( p_sys->psz_path ) free( p_sys->psz_path );
 436
 437     vlc_UrlClean( &p_sys->url );
 438
 439     free( p_sys );
 440 }
 441
 442 /*****************************************************************************
 443  * Connect: connects to the RTSP server to setup the session DESCRIBE
 444  *****************************************************************************/
 445 static int Connect( demux_t *p_demux )
 446 {
 447     demux_sys_t *p_sys = p_demux->p_sys;
 448     Authenticator authenticator;
 449
 450     char *psz_user    = NULL;
 451     char *psz_pwd     = NULL;
 452     char *psz_url     = NULL;
 453     char *psz_options = NULL;
 454     char *p_sdp       = NULL;
 455     int  i_http_port  = 0;
 456     int  i_ret        = VLC_SUCCESS;
 457
 458     psz_url = (char*)malloc( strlen( p_sys->psz_path ) + 8 );
 459     if( !psz_url ) return VLC_ENOMEM;
 460
 461     if( p_sys->url.psz_username || p_sys->url.psz_password )
 462     {
 463         sprintf( psz_url, "rtsp://%s%s", p_sys->url.psz_host,
 464                  p_sys->url.psz_path );
 465
 466         psz_user = strdup( p_sys->url.psz_username );
 467         psz_pwd  = strdup( p_sys->url.psz_password );
 468     }
 469     else
 470     {
 471         sprintf( psz_url, "rtsp://%s", p_sys->psz_path );
 472
 473         psz_user = var_CreateGetString( p_demux, "rtsp-user" );
 474         psz_pwd  = var_CreateGetString( p_demux, "rtsp-pwd" );
 475     }
 476
 477 createnew:
 478     if( p_demux->b_die || p_demux->b_error )
 479     {
 480         free( psz_user );
 481         free( psz_pwd );
 482         free( psz_url );
 483         return VLC_EGENERIC;
 484     }
 485
 486     if( var_CreateGetBool( p_demux, "rtsp-http" ) )
 487         i_http_port = var_CreateGetInteger( p_demux, "rtsp-http-port" );
 488
 489     if( ( p_sys->rtsp = RTSPClient::createNew( *p_sys->env,
 490           p_demux->p_libvlc->i_verbose > 1,
 491           "VLC media player", i_http_port ) ) == NULL )
 492     {
 493         msg_Err( p_demux, "RTSPClient::createNew failed (%s)",
 494                  p_sys->env->getResultMsg() );
 495         free( psz_user );
 496         free( psz_pwd );
 497         free( psz_url );
 498         return VLC_EGENERIC;
 499     }
 500
 501     /* Kasenna enables KeepAlive by analysing the User-Agent string.
 502      * Appending _KA to the string should be enough to enable this feature,
 503      * however, there is a bug where the _KA doesn't get parsed from the
 504      * default User-Agent as created by VLC/Live555 code. This is probably due
 505      * to spaces in the string or the string being too long. Here we override
 506      * the default string with a more compact version.
 507      */
 508     if( var_CreateGetBool( p_demux, "rtsp-kasenna" ))
 509     {
 510 #if LIVEMEDIA_LIBRARY_VERSION_INT > 1130457500
 511         p_sys->rtsp->setUserAgentString( "VLC_MEDIA_PLAYER_KA" );
 512 #endif
 513     }
 514
 515 describe:
 516     authenticator.setUsernameAndPassword( (const char*)psz_user,
 517                                           (const char*)psz_pwd );
 518
 519     psz_options = p_sys->rtsp->sendOptionsCmd( psz_url, psz_user, psz_pwd,
 520                                                &authenticator );
 521     if( psz_options ) delete [] psz_options;
 522
 523     p_sdp = p_sys->rtsp->describeURL( psz_url, &authenticator,
 524                          var_GetBool( p_demux, "rtsp-kasenna" ) );
 525     if( p_sdp == NULL )
 526     {
 527         /* failure occurred */
 528         int i_code = 0;
 529         const char *psz_error = p_sys->env->getResultMsg();
 530
 531         if( var_GetBool( p_demux, "rtsp-http" ) )
 532             sscanf( psz_error, "%*s %*s HTTP GET %*s HTTP/%*u.%*u %3u %*s",
 533                     &i_code );
 534         else sscanf( psz_error, "%*sRTSP/%*s%3u", &i_code );
 535         msg_Dbg( p_demux, "DESCRIBE failed with %d: %s", i_code, psz_error );
 536
 537         if( i_code == 401 )
 538         {
 539             int i_result;
 540             msg_Dbg( p_demux, "authentication failed" );
 541
 542             if( psz_user ) free( psz_user );
 543             if( psz_pwd ) free( psz_pwd );
 544             psz_user = psz_pwd = NULL;
 545
 546             i_result = intf_UserLoginPassword( p_demux, _("RTSP authentication"),
 547                            _("Please enter a valid login name and a password."),
 548                                                    &psz_user, &psz_pwd );
 549             if( i_result == DIALOG_OK_YES )
 550             {
 551                 msg_Dbg( p_demux, "retrying with user=%s, pwd=%s",
 552                          psz_user, psz_pwd );
 553                 goto describe;
 554             }
 555         }
 556         else if( (i_code != 0) && !var_GetBool( p_demux, "rtsp-http" ) )
 557         {
 558             /* Perhaps a firewall is being annoying. Try HTTP tunneling mode */
 559             vlc_value_t val;
 560             val.b_bool = VLC_TRUE;
 561             msg_Dbg( p_demux, "we will now try HTTP tunneling mode" );
 562             var_Set( p_demux, "rtsp-http", val );
 563             if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp );
 564             p_sys->rtsp = NULL;
 565             goto createnew;
 566         }
 567         else
 568         {
 569             msg_Dbg( p_demux, "connection timeout, retrying" );
 570             if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp );
 571             p_sys->rtsp = NULL;
 572             goto createnew;
 573         }
 574         i_ret = VLC_EGENERIC;
 575     }
 576
 577     /* malloc-ated copy */
 578     if( psz_url ) free( psz_url );
 579     if( psz_user ) free( psz_user );
 580     if( psz_pwd ) free( psz_pwd );
 581
 582     if( p_sys->p_sdp ) free( p_sys->p_sdp );
 583     p_sys->p_sdp = NULL;
 584     if( p_sdp ) p_sys->p_sdp = strdup( (char*)p_sdp );
 585     delete[] p_sdp;
 586
 587     return i_ret;
 588 }
 589
 590 /*****************************************************************************
 591  * SessionsSetup: prepares the subsessions and does the SETUP
 592  *****************************************************************************/
 593 static int SessionsSetup( demux_t *p_demux )
 594 {
 595     demux_sys_t             *p_sys  = p_demux->p_sys;
 596     MediaSubsessionIterator *iter   = NULL;
 597     MediaSubsession         *sub    = NULL;
 598
 599     vlc_bool_t     b_rtsp_tcp = VLC_FALSE;
 600     int            i_client_port;
 601     int            i_return = VLC_SUCCESS;
 602     unsigned int   i_buffer = 0;
 603     unsigned const thresh = 200000; /* RTP reorder threshold .2 second (default .1) */
 604
 605     b_rtsp_tcp    = var_CreateGetBool( p_demux, "rtsp-tcp" ) ||
 606                     var_GetBool( p_demux, "rtsp-http" );
 607     i_client_port = var_CreateGetInteger( p_demux, "rtp-client-port" );
 608
 609     /* Create the session from the SDP */
 610     if( !( p_sys->ms = MediaSession::createNew( *p_sys->env, p_sys->p_sdp ) ) )
 611     {
 612         msg_Err( p_demux, "Could not create the RTSP Session: %s",
 613             p_sys->env->getResultMsg() );
 614         return VLC_EGENERIC;
 615     }
 616
 617     /* Initialise each media subsession */
 618     iter = new MediaSubsessionIterator( *p_sys->ms );
 619     while( ( sub = iter->next() ) != NULL )
 620     {
 621         Boolean bInit;
 622         live_track_t *tk;
 623
 624         /* Value taken from mplayer */
 625         if( !strcmp( sub->mediumName(), "audio" ) )
 626             i_buffer = 100000;
 627         else if( !strcmp( sub->mediumName(), "video" ) )
 628             i_buffer = 2000000;
 629         else continue;
 630
 631         if( i_client_port != -1 )
 632         {
 633             sub->setClientPortNum( i_client_port );
 634             i_client_port += 2;
 635         }
 636
 637         if( strcasestr( sub->codecName(), "REAL" ) )
 638         {
 639             msg_Info( p_demux, "real codec detected, using real-RTSP instead" );
 640             p_sys->b_real = VLC_TRUE; /* This is a problem, we'll handle it later */
 641             continue;
 642         }
 643
 644         if( !strcmp( sub->codecName(), "X-ASF-PF" ) )
 645             bInit = sub->initiate( 4 ); /* Constant ? */
 646         else
 647             bInit = sub->initiate();
 648
 649         if( !bInit )
 650         {
 651             msg_Warn( p_demux, "RTP subsession '%s/%s' failed (%s)",
 652                       sub->mediumName(), sub->codecName(),
 653                       p_sys->env->getResultMsg() );
 654         }
 655         else
 656         {
 657             if( sub->rtpSource() != NULL )
 658             {
 659                 int fd = sub->rtpSource()->RTPgs()->socketNum();
 660
 661                 /* Increase the buffer size */
 662                 if( i_buffer > 0 )
 663                     increaseReceiveBufferTo( *p_sys->env, fd, i_buffer );
 664
 665                 /* Increase the RTP reorder timebuffer just a bit */
 666                 sub->rtpSource()->setPacketReorderingThresholdTime(thresh);
 667             }
 668             msg_Dbg( p_demux, "RTP subsession '%s/%s'", sub->mediumName(),
 669                      sub->codecName() );
 670
 671             /* Issue the SETUP */
 672             if( p_sys->rtsp )
 673             {
 674                 if( !( p_sys->rtsp->setupMediaSubsession( *sub, False,
 675                                                    b_rtsp_tcp ? True : False ) ) )
 676                 {
 677                     /* if we get an unsupported transport error, toggle TCP use and try again */
 678                     if( !strstr(p_sys->env->getResultMsg(), "461 Unsupported Transport")
 679                      || !( p_sys->rtsp->setupMediaSubsession( *sub, False,
 680                                                    b_rtsp_tcp ? False : True ) ) )
 681                     {
 682                         msg_Err( p_demux, "SETUP of'%s/%s' failed %s", sub->mediumName(),
 683                                  sub->codecName(), p_sys->env->getResultMsg() );
 684                         continue;
 685                     }
 686                 }
 687             }
 688
 689             /* Check if we will receive data from this subsession for this track */
 690             if( sub->readSource() == NULL ) continue;
 691             if( !p_sys->b_multicast )
 692             {
 693                 /* Check, because we need diff. rollover behaviour for multicast */
 694                 p_sys->b_multicast = IsMulticastAddress( sub->connectionEndpointAddress() );
 695             }
 696
 697             tk = (live_track_t*)malloc( sizeof( live_track_t ) );
 698             tk->p_demux     = p_demux;
 699             tk->sub         = sub;
 700             tk->p_es        = NULL;
 701             tk->b_quicktime = VLC_FALSE;
 702             tk->b_asf       = VLC_FALSE;
 703             tk->b_muxed     = VLC_FALSE;
 704             tk->p_out_muxed = NULL;
 705             tk->waiting     = 0;
 706             tk->b_rtcp_sync = VLC_FALSE;
 707             tk->i_pts       = 0;
 708             tk->i_buffer    = 65536;
 709             tk->p_buffer    = (uint8_t *)malloc( 65536 );
 710
 711             /* Value taken from mplayer */
 712             if( !strcmp( sub->mediumName(), "audio" ) )
 713             {
 714                 es_format_Init( &tk->fmt, AUDIO_ES, VLC_FOURCC('u','n','d','f') );
 715                 tk->fmt.audio.i_channels = sub->numChannels();
 716                 tk->fmt.audio.i_rate = sub->rtpTimestampFrequency();
 717
 718                 if( !strcmp( sub->codecName(), "MPA" ) ||
 719                     !strcmp( sub->codecName(), "MPA-ROBUST" ) ||
 720                     !strcmp( sub->codecName(), "X-MP3-DRAFT-00" ) )
 721                 {
 722                     tk->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'a' );
 723                     tk->fmt.audio.i_rate = 0;
 724                 }
 725                 else if( !strcmp( sub->codecName(), "AC3" ) )
 726                 {
 727                     tk->fmt.i_codec = VLC_FOURCC( 'a', '5', '2', ' ' );
 728                     tk->fmt.audio.i_rate = 0;
 729                 }
 730                 else if( !strcmp( sub->codecName(), "L16" ) )
 731                 {
 732                     tk->fmt.i_codec = VLC_FOURCC( 't', 'w', 'o', 's' );
 733                     tk->fmt.audio.i_bitspersample = 16;
 734                 }
 735                 else if( !strcmp( sub->codecName(), "L8" ) )
 736                 {
 737                     tk->fmt.i_codec = VLC_FOURCC( 'a', 'r', 'a', 'w' );
 738                     tk->fmt.audio.i_bitspersample = 8;
 739                 }
 740                 else if( !strcmp( sub->codecName(), "PCMU" ) )
 741                 {
 742                     tk->fmt.i_codec = VLC_FOURCC( 'u', 'l', 'a', 'w' );
 743                 }
 744                 else if( !strcmp( sub->codecName(), "PCMA" ) )
 745                 {
 746                     tk->fmt.i_codec = VLC_FOURCC( 'a', 'l', 'a', 'w' );
 747                 }
 748                 else if( !strncmp( sub->codecName(), "G726", 4 ) )
 749                 {
 750                     tk->fmt.i_codec = VLC_FOURCC( 'g', '7', '2', '6' );
 751                     tk->fmt.audio.i_rate = 8000;
 752                     tk->fmt.audio.i_channels = 1;
 753                     if( !strcmp( sub->codecName()+5, "40" ) )
 754                         tk->fmt.i_bitrate = 40000;
 755                     else if( !strcmp( sub->codecName()+5, "32" ) )
 756                         tk->fmt.i_bitrate = 32000;
 757                     else if( !strcmp( sub->codecName()+5, "24" ) )
 758                         tk->fmt.i_bitrate = 24000;
 759                     else if( !strcmp( sub->codecName()+5, "16" ) )
 760                         tk->fmt.i_bitrate = 16000;
 761                 }
 762                 else if( !strcmp( sub->codecName(), "AMR" ) )
 763                 {
 764                     tk->fmt.i_codec = VLC_FOURCC( 's', 'a', 'm', 'r' );
 765                 }
 766                 else if( !strcmp( sub->codecName(), "AMR-WB" ) )
 767                 {
 768                     tk->fmt.i_codec = VLC_FOURCC( 's', 'a', 'w', 'b' );
 769                 }
 770                 else if( !strcmp( sub->codecName(), "MP4A-LATM" ) )
 771                 {
 772                     unsigned int i_extra;
 773                     uint8_t      *p_extra;
 774
 775                     tk->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'a' );
 776
 777                     if( ( p_extra = parseStreamMuxConfigStr( sub->fmtp_config(),
 778                                                              i_extra ) ) )
 779                     {
 780                         tk->fmt.i_extra = i_extra;
 781                         tk->fmt.p_extra = malloc( i_extra );
 782                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
 783                         delete[] p_extra;
 784                     }
 785                     /* Because the "faad" decoder does not handle the LATM data length field
 786                        at the start of each returned LATM frame, tell the RTP source to omit it. */
 787                     ((MPEG4LATMAudioRTPSource*)sub->rtpSource())->omitLATMDataLengthField();
 788                 }
 789                 else if( !strcmp( sub->codecName(), "MPEG4-GENERIC" ) )
 790                 {
 791                     unsigned int i_extra;
 792                     uint8_t      *p_extra;
 793
 794                     tk->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'a' );
 795
 796                     if( ( p_extra = parseGeneralConfigStr( sub->fmtp_config(),
 797                                                            i_extra ) ) )
 798                     {
 799                         tk->fmt.i_extra = i_extra;
 800                         tk->fmt.p_extra = malloc( i_extra );
 801                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
 802                         delete[] p_extra;
 803                     }
 804                 }
 805                 else if( !strcmp( sub->codecName(), "X-ASF-PF" ) )
 806                 {
 807                     tk->b_asf = VLC_TRUE;
 808                     if( p_sys->p_out_asf == NULL )
 809                         p_sys->p_out_asf = stream_DemuxNew( p_demux, "asf",
 810                                                             p_demux->out );
 811                 }
 812                 else if( !strcmp( sub->codecName(), "X-QT" ) ||
 813                          !strcmp( sub->codecName(), "X-QUICKTIME" ) )
 814                 {
 815                     tk->b_quicktime = VLC_TRUE;
 816                 }
 817                 else if( !strcmp( sub->codecName(), "SPEEX" ) )
 818                 {
 819                     tk->fmt.i_codec = VLC_FOURCC( 's', 'p', 'x', 'r' );
 820                     if ( sub->rtpTimestampFrequency() )
 821                         tk->fmt.audio.i_rate = sub->rtpTimestampFrequency();
 822                     else
 823                     {
 824                         msg_Warn( p_demux,"Using 8kHz as default sample rate." );
 825                         tk->fmt.audio.i_rate = 8000;
 826                     }
 827                 }
 828             }
 829             else if( !strcmp( sub->mediumName(), "video" ) )
 830             {
 831                 es_format_Init( &tk->fmt, VIDEO_ES, VLC_FOURCC('u','n','d','f') );
 832                 if( !strcmp( sub->codecName(), "MPV" ) )
 833                 {
 834                     tk->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'v' );
 835                 }
 836                 else if( !strcmp( sub->codecName(), "H263" ) ||
 837                          !strcmp( sub->codecName(), "H263-1998" ) ||
 838                          !strcmp( sub->codecName(), "H263-2000" ) )
 839                 {
 840                     tk->fmt.i_codec = VLC_FOURCC( 'H', '2', '6', '3' );
 841                 }
 842                 else if( !strcmp( sub->codecName(), "H261" ) )
 843                 {
 844                     tk->fmt.i_codec = VLC_FOURCC( 'H', '2', '6', '1' );
 845                 }
 846                 else if( !strcmp( sub->codecName(), "H264" ) )
 847                 {
 848                     unsigned int i_extra = 0;
 849                     uint8_t      *p_extra = NULL;
 850
 851                     tk->fmt.i_codec = VLC_FOURCC( 'h', '2', '6', '4' );
 852                     tk->fmt.b_packetized = VLC_FALSE;
 853
 854                     if((p_extra=parseH264ConfigStr( sub->fmtp_spropparametersets(),
 855                                                     i_extra ) ) )
 856                     {
 857                         tk->fmt.i_extra = i_extra;
 858                         tk->fmt.p_extra = malloc( i_extra );
 859                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
 860
 861                         delete[] p_extra;
 862                     }
 863                 }
 864                 else if( !strcmp( sub->codecName(), "JPEG" ) )
 865                 {
 866                     tk->fmt.i_codec = VLC_FOURCC( 'M', 'J', 'P', 'G' );
 867                 }
 868                 else if( !strcmp( sub->codecName(), "MP4V-ES" ) )
 869                 {
 870                     unsigned int i_extra;
 871                     uint8_t      *p_extra;
 872
 873                     tk->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'v' );
 874
 875                     if( ( p_extra = parseGeneralConfigStr( sub->fmtp_config(),
 876                                                            i_extra ) ) )
 877                     {
 878                         tk->fmt.i_extra = i_extra;
 879                         tk->fmt.p_extra = malloc( i_extra );
 880                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
 881                         delete[] p_extra;
 882                     }
 883                 }
 884                 else if( !strcmp( sub->codecName(), "X-QT" ) ||
 885                          !strcmp( sub->codecName(), "X-QUICKTIME" ) ||
 886                          !strcmp( sub->codecName(), "X-QDM" ) ||
 887                          !strcmp( sub->codecName(), "X-SV3V-ES" )  ||
 888                          !strcmp( sub->codecName(), "X-SORENSONVIDEO" ) )
 889                 {
 890                     tk->b_quicktime = VLC_TRUE;
 891                 }
 892                 else if( !strcmp( sub->codecName(), "MP2T" ) )
 893                 {
 894                     tk->b_muxed = VLC_TRUE;
 895                     tk->p_out_muxed = stream_DemuxNew( p_demux, "ts", p_demux->out );
 896                 }
 897                 else if( !strcmp( sub->codecName(), "MP2P" ) ||
 898                          !strcmp( sub->codecName(), "MP1S" ) )
 899                 {
 900                     tk->b_muxed = VLC_TRUE;
 901                     tk->p_out_muxed = stream_DemuxNew( p_demux, "ps",
 902                                                        p_demux->out );
 903                 }
 904                 else if( !strcmp( sub->codecName(), "X-ASF-PF" ) )
 905                 {
 906                     tk->b_asf = VLC_TRUE;
 907                     if( p_sys->p_out_asf == NULL )
 908                         p_sys->p_out_asf = stream_DemuxNew( p_demux, "asf",
 909                                                             p_demux->out );;
 910                 }
 911             }
 912
 913             if( !tk->b_quicktime && !tk->b_muxed && !tk->b_asf )
 914             {
 915                 tk->p_es = es_out_Add( p_demux->out, &tk->fmt );
 916             }
 917
 918             if( sub->rtcpInstance() != NULL )
 919             {
 920                 sub->rtcpInstance()->setByeHandler( StreamClose, tk );
 921             }
 922
 923             if( tk->p_es || tk->b_quicktime || tk->b_muxed || tk->b_asf )
 924             {
 925                 /* Append */
 926                 p_sys->track = (live_track_t**)realloc( p_sys->track, sizeof( live_track_t ) * ( p_sys->i_track + 1 ) );
 927                 p_sys->track[p_sys->i_track++] = tk;
 928             }
 929             else
 930             {
 931                 /* BUG ??? */
 932                 msg_Err( p_demux, "unusable RTSP track. this should not happen" );
 933                 free( tk );
 934             }
 935         }
 936     }
 937     delete iter;
 938     if( p_sys->i_track <= 0 ) i_return = VLC_EGENERIC;
 939
 940 #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 9999999999)
 941     /* Retrieve the starttime if possible */
 942     p_sys->i_npt_start = (int64_t)( p_sys->ms->playStartTime() * (double)1000000.0 );
 943 #else
 944     p_sys->i_npt_start = (int64_t) -1;
 945 #endif
 946     if( p_sys->i_npt_start < 0 )
 947         p_sys->i_npt_start = -1;
 948
 949 #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 9999999999)
 950     /* Retrieve the duration if possible */
 951     p_sys->i_npt_length = (int64_t)( p_sys->ms->playEndTime() * (double)1000000.0 );
 952 #else
 953     p_sys->i_npt_length = (int64_t) -1;
 954 #endif
 955     if( p_sys->i_npt_length < 0 )
 956         p_sys->i_npt_length = -1;
 957
 958     msg_Dbg( p_demux, "setup start: %lld stop:%lld", p_sys->i_npt_start, p_sys->i_npt_length );
 959     return i_return;
 960 }
 961
 962 /*****************************************************************************
 963  * Play: starts the actual playback of the stream
 964  *****************************************************************************/
 965 static int Play( demux_t *p_demux )
 966 {
 967     demux_sys_t *p_sys = p_demux->p_sys;
 968     int i;
 969
 970     if( p_sys->rtsp )
 971     {
 972         /* The PLAY */
 973         if( !p_sys->rtsp->playMediaSession( *p_sys->ms, p_sys->i_npt_start, -1, 1 ) )
 974         {
 975             msg_Err( p_demux, "RTSP PLAY failed %s", p_sys->env->getResultMsg() );
 976             return VLC_EGENERIC;
 977         }
 978
 979         /* Retrieve the timeout value and set up a timeout prevention thread */
 980         p_sys->i_timeout = p_sys->rtsp->sessionTimeoutParameter();
 981         if( p_sys->i_timeout <= 0 )
 982             p_sys->i_timeout = 60; /* default value from RFC2326 */
 983         if( !p_sys->p_timeout )
 984         {
 985             msg_Dbg( p_demux, "We have a timeout of %d seconds",  p_sys->i_timeout );
 986             p_sys->p_timeout = (timeout_thread_t *)vlc_object_create( p_demux, sizeof(timeout_thread_t) );
 987             p_sys->p_timeout->p_sys = p_demux->p_sys; /* lol, object recursion :D */
 988             if( vlc_thread_create( p_sys->p_timeout, "liveMedia-timeout", TimeoutPrevention,
 989                                    VLC_THREAD_PRIORITY_LOW, VLC_TRUE ) )
 990             {
 991                 msg_Err( p_demux, "cannot spawn liveMedia timeout thread" );
 992                 vlc_object_destroy( p_sys->p_timeout );
 993             }
 994             msg_Dbg( p_demux, "spawned timeout thread" );
 995             vlc_object_attach( p_sys->p_timeout, p_demux );
 996         }
 997     }
 998     p_sys->i_pcr = 0;
 999
1000 #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 1195257600)
1001     for( i = 0; i < p_sys->i_track; i++ )
1002     {
1003         if( !p_sys->track[i]->b_rtcp_sync )
1004             p_sys->track[i]->i_pts = (int64_t) ( p_sys->track[i]->sub->rtpInfo.timestamp * (double)1000000.0 );
1005         p_sys->track[i]->i_start_seq = (int)p_sys->track[i]->sub->rtpInfo.seqNum;
1006         msg_Info( p_demux, "set startseq: %u", p_sys->track[i]->i_start_seq );
1007     }
1008 #endif
1009
1010 #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 9999999999)
1011     /* Retrieve the starttime if possible */
1012     p_sys->i_npt_start = (int64_t)( p_sys->ms->playStartTime() * (double)1000000.0 );
1013 #else
1014     p_sys->i_npt_start = -1;
1015 #endif
1016     if( p_sys->i_npt_start < 0 )
1017     {
1018         p_sys->i_npt_start = -1;
1019         p_sys->i_npt = 0;
1020     }
1021     else
1022         p_sys->i_npt = p_sys->i_npt_start;
1023
1024 #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 9999999999)
1025     /* Retrieve the duration if possible */
1026     p_sys->i_npt_length = (int64_t)( p_sys->ms->playEndTime() * (double)1000000.0 );
1027 #else
1028     p_sys->i_npt_length = -1;
1029 #endif
1030     if( p_sys->i_npt_length < 0 )
1031         p_sys->i_npt_length = -1;
1032
1033     msg_Dbg( p_demux, "play start: %lld stop:%lld", p_sys->i_npt_start, p_sys->i_npt_length );
1034     return VLC_SUCCESS;
1035 }
1036
1037
1038 /*****************************************************************************
1039  * Demux:
1040  *****************************************************************************/
1041 static int Demux( demux_t *p_demux )
1042 {
1043     demux_sys_t    *p_sys = p_demux->p_sys;
1044     TaskToken      task;
1045
1046     vlc_bool_t      b_send_pcr = VLC_TRUE;
1047     int64_t         i_pcr = 0;
1048     int             i;
1049
1050     /* Check if we need to send the server a Keep-A-Live signal */
1051     if( p_sys->b_timeout_call && p_sys->rtsp && p_sys->ms )
1052     {
1053         char *psz_bye = NULL;
1054         p_sys->rtsp->getMediaSessionParameter( *p_sys->ms, NULL, psz_bye );
1055         p_sys->b_timeout_call = VLC_FALSE;
1056     }
1057
1058
1059     for( i = 0; i < p_sys->i_track; i++ )
1060     {
1061         live_track_t *tk = p_sys->track[i];
1062
1063         if( tk->b_asf || tk->b_muxed )
1064             b_send_pcr = VLC_FALSE;
1065 #if 0
1066         if( i_pcr == 0 )
1067         {
1068             i_pcr = tk->i_pts;
1069         }
1070         else if( tk->i_pts != 0 && i_pcr > tk->i_pts )
1071         {
1072             i_pcr = tk->i_pts ;
1073         }
1074 #endif
1075     }
1076     if( p_sys->i_pcr > 0 )
1077     {
1078         if( b_send_pcr )
1079             es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_sys->i_pcr );
1080     }
1081
1082     /* First warn we want to read data */
1083     p_sys->event = 0;
1084     for( i = 0; i < p_sys->i_track; i++ )
1085     {
1086         live_track_t *tk = p_sys->track[i];
1087
1088         if( tk->waiting == 0 )
1089         {
1090             tk->waiting = 1;
1091             tk->sub->readSource()->getNextFrame( tk->p_buffer, tk->i_buffer,
1092                                           StreamRead, tk, StreamClose, tk );
1093         }
1094     }
1095     /* Create a task that will be called if we wait more than 300ms */
1096     task = p_sys->scheduler->scheduleDelayedTask( 300000, TaskInterrupt, p_demux );
1097
1098     /* Do the read */
1099     p_sys->scheduler->doEventLoop( &p_sys->event );
1100
1101     /* remove the task */
1102     p_sys->scheduler->unscheduleDelayedTask( task );
1103
1104     /* Check for gap in pts value */
1105     for( i = 0; i < p_sys->i_track; i++ )
1106     {
1107         live_track_t *tk = p_sys->track[i];
1108
1109         if( !tk->b_muxed && !tk->b_rtcp_sync &&
1110             tk->sub->rtpSource() && tk->sub->rtpSource()->hasBeenSynchronizedUsingRTCP() )
1111         {
1112             msg_Dbg( p_demux, "tk->rtpSource->hasBeenSynchronizedUsingRTCP()" );
1113
1114             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
1115             tk->b_rtcp_sync = VLC_TRUE;
1116             /* reset PCR */
1117             tk->i_pts = 0;
1118             p_sys->i_pcr = 0;
1119             i_pcr = 0;
1120         }
1121     }
1122
1123     if( p_sys->b_multicast && p_sys->b_no_data &&
1124         ( p_sys->i_no_data_ti > 120 ) )
1125     {
1126         /* FIXME Make this configurable
1127         msg_Err( p_demux, "no multicast data received in 36s, aborting" );
1128         return 0;
1129         */
1130     }
1131     else if( !p_sys->b_multicast && p_sys->b_no_data &&
1132              ( p_sys->i_no_data_ti > 34 ) )
1133     {
1134         vlc_bool_t b_rtsp_tcp = var_GetBool( p_demux, "rtsp-tcp" ) ||
1135                                 var_GetBool( p_demux, "rtsp-http" );
1136
1137         if( !b_rtsp_tcp && p_sys->rtsp && p_sys->ms )
1138         {
1139             msg_Warn( p_demux, "no data received in 10s. Switching to TCP" );
1140             if( RollOverTcp( p_demux ) )
1141             {
1142                 msg_Err( p_demux, "TCP rollover failed, aborting" );
1143                 return 0;
1144             }
1145         }
1146         else if( p_sys->i_no_data_ti > 34 )
1147         {
1148             msg_Err( p_demux, "no data received in 10s, aborting" );
1149             return 0;
1150         }
1151     }
1152     else if( !p_sys->b_multicast && p_sys->b_no_data && p_sys->i_no_data_ti > 34 )
1153     {
1154         /* EOF ? */
1155         msg_Warn( p_demux, "no data received in 10s, eof ?" );
1156         return 0;
1157     }
1158     return p_demux->b_error ? 0 : 1;
1159 }
1160
1161 /*****************************************************************************
1162  * Control:
1163  *****************************************************************************/
1164 static int Control( demux_t *p_demux, int i_query, va_list args )
1165 {
1166     demux_sys_t *p_sys = p_demux->p_sys;
1167     int64_t *pi64;
1168     double  *pf, f;
1169     vlc_bool_t *pb, *pb2, b_bool;
1170     int *pi_int;
1171
1172     switch( i_query )
1173     {
1174         case DEMUX_GET_TIME:
1175             pi64 = (int64_t*)va_arg( args, int64_t * );
1176             if( p_sys->i_npt > 0 )
1177             {
1178                 *pi64 = p_sys->i_npt;
1179                 return VLC_SUCCESS;
1180             }
1181             return VLC_EGENERIC;
1182
1183         case DEMUX_GET_LENGTH:
1184             pi64 = (int64_t*)va_arg( args, int64_t * );
1185             if( p_sys->i_npt_length > 0 )
1186             {
1187                 *pi64 = p_sys->i_npt_length;
1188                 return VLC_SUCCESS;
1189             }
1190             return VLC_EGENERIC;
1191
1192         case DEMUX_GET_POSITION:
1193             pf = (double*)va_arg( args, double* );
1194             if( p_sys->i_npt_length > 0 && p_sys->i_npt > 0 )
1195             {
1196                 *pf = (double)p_sys->i_npt / (double)p_sys->i_npt_length;
1197                 return VLC_SUCCESS;
1198             }
1199             return VLC_EGENERIC;
1200
1201         case DEMUX_SET_POSITION:
1202         {
1203             float time;
1204
1205             f = (double)va_arg( args, double );
1206             if( p_sys->rtsp && p_sys->i_npt_length > 0 )
1207             {
1208                 int i;
1209                 time = f * (double)p_sys->i_npt_length / (double)1000000.0;   /* in second */
1210                 if( !p_sys->rtsp->playMediaSession( *p_sys->ms, time, -1, 1 ) )
1211                 {
1212                     msg_Err( p_demux, "PLAY failed %s",
1213                         p_sys->env->getResultMsg() );
1214                     return VLC_EGENERIC;
1215                 }
1216                 es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
1217                 p_sys->i_pcr = 0;
1218 #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 1195257600)
1219                 /* Retrieve RTP-Info values */
1220                 for( i = 0; i < p_sys->i_track; i++ )
1221                 {
1222                     //if( !p_sys->track[i]->b_rtcp_sync )
1223                     p_sys->track[i]->b_rtcp_sync = VLC_FALSE;
1224                     p_sys->track[i]->i_pts = (int64_t) ( p_sys->track[i]->sub->rtpInfo.timestamp * (double)1000000.0 );
1225                     p_sys->track[i]->i_start_seq = p_sys->track[i]->sub->rtpInfo.seqNum;
1226                     msg_Info( p_demux, "set pos startseq: %u", p_sys->track[i]->i_start_seq );
1227                 }
1228 #endif
1229 #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 9999999999)
1230                 /* Retrieve the starttime if possible */
1231                 p_sys->i_npt_start = (int64_t)( p_sys->ms->playStartTime() * (double)1000000.0 );
1232 #else
1233                 p_sys->i_npt_start = -1;
1234 #endif
1235                 if( p_sys->i_npt_start < 0 )
1236                 {
1237                     p_sys->i_npt_start = -1;
1238                     p_sys->i_npt = 0;
1239                 }
1240                 else
1241                     p_sys->i_npt = p_sys->i_npt_start;
1242
1243 #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 9999999999)
1244                 /* Retrieve the duration if possible */
1245                 p_sys->i_npt_length = (int64_t)( p_sys->ms->playEndTime() * (double)1000000.0 );
1246 #else
1247                 p_sys->i_npt_length = -1;
1248 #endif
1249                 if( p_sys->i_npt_length < 0 )
1250                     p_sys->i_npt_length = -1;
1251
1252                 msg_Dbg( p_demux, "seek start: %lld stop:%lld", p_sys->i_npt_start, p_sys->i_npt_length );
1253                 return VLC_SUCCESS;
1254             }
1255             return VLC_EGENERIC;
1256         }
1257         /* Special for access_demux */
1258         case DEMUX_CAN_PAUSE:
1259         case DEMUX_CAN_SEEK:
1260             pb = (vlc_bool_t*)va_arg( args, vlc_bool_t * );
1261             if( p_sys->rtsp && p_sys->i_npt_length )
1262                 /* Not always true, but will be handled in SET_PAUSE_STATE */
1263                 *pb = VLC_TRUE;
1264             else
1265                 *pb = VLC_FALSE;
1266             return VLC_SUCCESS;
1267
1268         case DEMUX_CAN_CONTROL_PACE:
1269             pb = (vlc_bool_t*)va_arg( args, vlc_bool_t * );
1270
1271 #if 1       /* Disable for now until we have a clock synchro algo
1272              * which works with something else than MPEG over UDP */
1273             *pb = VLC_FALSE;
1274 #else
1275             *pb = VLC_TRUE;
1276 #endif
1277             return VLC_SUCCESS;
1278
1279 #if 0
1280         case DEMUX_CAN_CONTROL_RATE:
1281             pb = (vlc_bool_t*)va_arg( args, vlc_bool_t * );
1282             pb2 = (vlc_bool_t*)va_arg( args, vlc_bool_t * );
1283
1284             *pb = p_sys->rtsp != NULL && p_sys->i_npt_length > 0 && !var_GetBool( p_demux, "rtsp-kasenna" );
1285             *pb2 = VLC_FALSE;
1286             return VLC_SUCCESS;
1287
1288         case DEMUX_SET_RATE:
1289         {
1290             double f_scale;
1291
1292             if( !p_sys->rtsp || p_sys->i_npt_length <= 0 || var_GetBool( p_demux, "rtsp-kasenna" ) )
1293                 return VLC_EGENERIC;
1294
1295             /* TODO we might want to ensure that the new rate is different from
1296              * old rate after playMediaSession...
1297              * I have no idea how the server map the requested rate to the
1298              * ones it supports.
1299              * ex:
1300              *  current is x2 we request x1.5 if the server return x2 we will
1301              *  never succeed to return to x1.
1302              *  In this case we should retry with a lower rate until we have
1303              *  one (even x1).
1304              */
1305
1306             pi_int = (int*)va_arg( args, int * );
1307             f_scale = (double)INPUT_RATE_DEFAULT / (*p_int);
1308
1309             /* Passing -1 for the start and end time will mean liveMedia won't
1310             * create a Range: section for the RTSP message. The server should
1311             * pick up from the current position */
1312             if( !p_sys->rtsp->playMediaSession( *p_sys->ms, -1, -1, f_scale ) )
1313             {
1314                 msg_Err( p_demux, "PLAY with Scale %0.2f failed %s", f_scale,
1315                         p_sys->env->getResultMsg() );
1316                 return VLC_EGENERIC;
1317             }
1318             /* ReSync the stream */
1319             p_sys->i_npt_start = 0;
1320             p_sys->i_pcr = 0;
1321             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
1322
1323             *pi_int = (int)( INPUT_RATE_DEFAULT / p_sys->ms->scale() + 0.5 );
1324             return VLC_SUCCESS;
1325         }
1326 #endif
1327
1328         case DEMUX_SET_PAUSE_STATE:
1329         {
1330             double d_npt = (double) p_sys->i_npt / I64C(1000000);
1331             int i;
1332
1333             b_bool = (vlc_bool_t)va_arg( args, vlc_bool_t );
1334             if( p_sys->rtsp == NULL )
1335                 return VLC_EGENERIC;
1336
1337             /* FIXME */
1338             if( ( b_bool && !p_sys->rtsp->pauseMediaSession( *p_sys->ms ) ) ||
1339                     ( !b_bool && !p_sys->rtsp->playMediaSession( *p_sys->ms,
1340                       d_npt > 0 ? d_npt : -1 ) ) )
1341             {
1342                     msg_Err( p_demux, "PLAY or PAUSE failed %s", p_sys->env->getResultMsg() );
1343                     return VLC_EGENERIC;
1344             }
1345
1346             /* When we Pause, we'll need the TimeoutPrevention thread to
1347              * handle sending the "Keep Alive" message to the server.
1348              * Unfortunately Live555 isn't thread safe and so can't
1349              * do this normally while the main Demux thread is handling
1350              * a live stream. We end up with the Timeout thread blocking
1351              * waiting for a response from the server. So when we PAUSE
1352              * we set a flag that the TimeoutPrevention function will check
1353              * and if it's set, it will trigger the GET_PARAMETER message */
1354             if( b_bool && p_sys->p_timeout != NULL )
1355                 p_sys->p_timeout->b_handle_keep_alive = VLC_TRUE;
1356             else if( !b_bool && p_sys->p_timeout != NULL )
1357                 p_sys->p_timeout->b_handle_keep_alive = VLC_FALSE;
1358
1359             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
1360             p_sys->i_pcr = 0;
1361 #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 1195257600)
1362             for( i = 0; i < p_sys->i_track; i++ )
1363             {
1364                 if( !p_sys->track[i]->b_rtcp_sync )
1365                     p_sys->track[i]->i_pts = 0; // (int64_t) ( p_sys->track[i]->sub->rtpInfo.timestamp * (double)1000000.0 );
1366                 p_sys->track[i]->i_start_seq = p_sys->track[i]->sub->rtpInfo.seqNum;
1367                 msg_Info( p_demux, "set pause startseq: %u", p_sys->track[i]->i_start_seq );
1368             }
1369 #endif
1370 #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 9999999999)
1371             /* Retrieve the starttime if possible */
1372             p_sys->i_npt_start = (int64_t)( p_sys->ms->playStartTime() * (double)1000000.0 );
1373 #else
1374             p_sys->i_npt_start = -1;
1375 #endif
1376             if( p_sys->i_npt_start < 0 )
1377             {
1378                 p_sys->i_npt_start = -1;
1379                 p_sys->i_npt = 0;
1380             }
1381             else
1382                 p_sys->i_npt = p_sys->i_npt_start;
1383
1384 #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 9999999999)
1385             /* Retrieve the duration if possible */
1386             p_sys->i_npt_length = (int64_t)( p_sys->ms->playEndTime() * (double)1000000.0 );
1387 #else
1388             p_sys->i_npt_length = -1;
1389 #endif
1390             if( p_sys->i_npt_length < 0 )
1391                 p_sys->i_npt_length = -1;
1392
1393             msg_Dbg( p_demux, "pause start: %lld stop:%lld", p_sys->i_npt_start, p_sys->i_npt_length );
1394             return VLC_SUCCESS;
1395         }
1396         case DEMUX_GET_TITLE_INFO:
1397         case DEMUX_SET_TITLE:
1398         case DEMUX_SET_SEEKPOINT:
1399             return VLC_EGENERIC;
1400
1401         case DEMUX_GET_PTS_DELAY:
1402             pi64 = (int64_t*)va_arg( args, int64_t * );
1403             *pi64 = (int64_t)var_GetInteger( p_demux, "rtsp-caching" ) * 1000;
1404             return VLC_SUCCESS;
1405
1406         default:
1407             return VLC_EGENERIC;
1408     }
1409 }
1410
1411 /*****************************************************************************
1412  * RollOverTcp: reopen the rtsp into TCP mode
1413  * XXX: ugly, a lot of code are duplicated from Open()
1414  * This should REALLY be fixed
1415  *****************************************************************************/
1416 static int RollOverTcp( demux_t *p_demux )
1417 {
1418     demux_sys_t *p_sys = p_demux->p_sys;
1419     int i, i_return;
1420
1421     var_SetBool( p_demux, "rtsp-tcp", VLC_TRUE );
1422
1423     /* We close the old RTSP session */
1424     for( i = 0; i < p_sys->i_track; i++ )
1425     {
1426         live_track_t *tk = p_sys->track[i];
1427
1428         if( tk->b_muxed ) stream_DemuxDelete( tk->p_out_muxed );
1429         free( tk->p_buffer );
1430         free( tk );
1431     }
1432     if( p_sys->i_track ) free( p_sys->track );
1433     if( p_sys->p_out_asf ) stream_DemuxDelete( p_sys->p_out_asf );
1434
1435     p_sys->rtsp->teardownMediaSession( *p_sys->ms );
1436     Medium::close( p_sys->ms );
1437     RTSPClient::close( p_sys->rtsp );
1438
1439     p_sys->ms = NULL;
1440     p_sys->rtsp = NULL;
1441     p_sys->track = NULL;
1442     p_sys->i_track = 0;
1443
1444     /* Reopen rtsp client */
1445     if( ( p_demux->s != NULL ) &&
1446         ( i_return = Connect( p_demux ) ) != VLC_SUCCESS )
1447     {
1448         msg_Err( p_demux, "Failed to connect with rtsp://%s",
1449                  p_sys->psz_path );
1450         goto error;
1451     }
1452
1453     if( p_sys->p_sdp == NULL )
1454     {
1455         msg_Err( p_demux, "Failed to retrieve the RTSP Session Description" );
1456         goto error;
1457     }
1458
1459     if( ( i_return = SessionsSetup( p_demux ) ) != VLC_SUCCESS )
1460     {
1461         msg_Err( p_demux, "Nothing to play for rtsp://%s", p_sys->psz_path );
1462         goto error;
1463     }
1464
1465     if( ( i_return = Play( p_demux ) ) != VLC_SUCCESS )
1466         goto error;
1467
1468     return VLC_SUCCESS;
1469
1470 error:
1471     return VLC_EGENERIC;
1472 }
1473
1474
1475 /*****************************************************************************
1476  *
1477  *****************************************************************************/
1478 static void StreamRead( void *p_private, unsigned int i_size,
1479                         unsigned int i_truncated_bytes, struct timeval pts,
1480                         unsigned int duration )
1481 {
1482     live_track_t   *tk = (live_track_t*)p_private;
1483     demux_t        *p_demux = tk->p_demux;
1484     demux_sys_t    *p_sys = p_demux->p_sys;
1485     block_t        *p_block;
1486
1487     //msg_Dbg( p_demux, "pts: %d", pts.tv_sec );
1488
1489     int64_t i_pts = (uint64_t)pts.tv_sec * UI64C(1000000) +
1490         (uint64_t)pts.tv_usec;
1491
1492     /* XXX Beurk beurk beurk Avoid having negative value XXX */
1493     i_pts &= UI64C(0x00ffffffffffffff);
1494
1495     if( tk->b_quicktime && tk->p_es == NULL )
1496     {
1497         QuickTimeGenericRTPSource *qtRTPSource =
1498             (QuickTimeGenericRTPSource*)tk->sub->rtpSource();
1499         QuickTimeGenericRTPSource::QTState &qtState = qtRTPSource->qtState;
1500         uint8_t *sdAtom = (uint8_t*)&qtState.sdAtom[4];
1501
1502         if( tk->fmt.i_cat == VIDEO_ES ) {
1503             if( qtState.sdAtomSize < 16 + 32 )
1504             {
1505                 /* invalid */
1506                 p_sys->event = 0xff;
1507                 tk->waiting = 0;
1508                 return;
1509             }
1510             tk->fmt.i_codec = VLC_FOURCC(sdAtom[0],sdAtom[1],sdAtom[2],sdAtom[3]);
1511             tk->fmt.video.i_width  = (sdAtom[28] << 8) | sdAtom[29];
1512             tk->fmt.video.i_height = (sdAtom[30] << 8) | sdAtom[31];
1513
1514             if( tk->fmt.i_codec == VLC_FOURCC('a', 'v', 'c', '1') )
1515             {
1516                 uint8_t *pos = (uint8_t*)qtRTPSource->qtState.sdAtom + 86;
1517                 uint8_t *endpos = (uint8_t*)qtRTPSource->qtState.sdAtom
1518                                   + qtRTPSource->qtState.sdAtomSize;
1519                 while (pos+8 < endpos) {
1520                     unsigned int atomLength = pos[0]<<24 | pos[1]<<16 | pos[2]<<8 | pos[3];
1521                     if( atomLength == 0 || atomLength > (unsigned int)(endpos-pos)) break;
1522                     if( memcmp(pos+4, "avcC", 4) == 0 &&
1523                         atomLength > 8 &&
1524                         atomLength <= INT_MAX )
1525                     {
1526                         tk->fmt.i_extra = atomLength-8;
1527                         tk->fmt.p_extra = malloc( tk->fmt.i_extra );
1528                         memcpy(tk->fmt.p_extra, pos+8, atomLength-8);
1529                         break;
1530                     }
1531                     pos += atomLength;
1532                 }
1533             }
1534             else
1535             {
1536                 tk->fmt.i_extra        = qtState.sdAtomSize - 16;
1537                 tk->fmt.p_extra        = malloc( tk->fmt.i_extra );
1538                 memcpy( tk->fmt.p_extra, &sdAtom[12], tk->fmt.i_extra );
1539             }
1540         }
1541         else {
1542             if( qtState.sdAtomSize < 4 )
1543             {
1544                 /* invalid */
1545                 p_sys->event = 0xff;
1546                 tk->waiting = 0;
1547                 return;
1548             }
1549             tk->fmt.i_codec = VLC_FOURCC(sdAtom[0],sdAtom[1],sdAtom[2],sdAtom[3]);
1550         }
1551         tk->p_es = es_out_Add( p_demux->out, &tk->fmt );
1552     }
1553
1554 #if 0
1555     fprintf( stderr, "StreamRead size=%d pts=%lld\n",
1556              i_size,
1557              pts.tv_sec * 1000000LL + pts.tv_usec );
1558 #endif
1559
1560     /* grow buffer if it looks like buffer is too small, but don't eat
1561      * up all the memory on strange streams */
1562     if( i_truncated_bytes > 0 && tk->i_buffer < 2000000 )
1563     {
1564         void *p_tmp;
1565         msg_Dbg( p_demux, "lost %d bytes", i_truncated_bytes );
1566         msg_Dbg( p_demux, "increasing buffer size to %d", tk->i_buffer * 2 );
1567         tk->i_buffer *= 2;
1568         p_tmp = realloc( tk->p_buffer, tk->i_buffer );
1569         if( p_tmp == NULL )
1570         {
1571             msg_Warn( p_demux, "realloc failed" );
1572         }
1573         else
1574         {
1575             tk->p_buffer = (uint8_t*)p_tmp;
1576         }
1577     }
1578     if( i_size > tk->i_buffer )
1579     {
1580         msg_Warn( p_demux, "buffer overflow" );
1581     }
1582     /* FIXME could i_size be > buffer size ? */
1583     if( tk->fmt.i_codec == VLC_FOURCC('s','a','m','r') ||
1584         tk->fmt.i_codec == VLC_FOURCC('s','a','w','b') )
1585     {
1586         AMRAudioSource *amrSource = (AMRAudioSource*)tk->sub->readSource();
1587
1588         p_block = block_New( p_demux, i_size + 1 );
1589         p_block->p_buffer[0] = amrSource->lastFrameHeader();
1590         memcpy( p_block->p_buffer + 1, tk->p_buffer, i_size );
1591     }
1592     else if( tk->fmt.i_codec == VLC_FOURCC('H','2','6','1') )
1593     {
1594 #if LIVEMEDIA_LIBRARY_VERSION_INT >= 1081468800
1595         H261VideoRTPSource *h261Source = (H261VideoRTPSource*)tk->sub->rtpSource();
1596         uint32_t header = h261Source->lastSpecialHeader();
1597 #else
1598         uint32_t header = 0;
1599         msg_Warn( p_demux, "need livemedia library >= \"2004.04.09\"" );
1600 #endif
1601         p_block = block_New( p_demux, i_size + 4 );
1602         memcpy( p_block->p_buffer, &header, 4 );
1603         memcpy( p_block->p_buffer + 4, tk->p_buffer, i_size );
1604
1605         if( tk->sub->rtpSource()->curPacketMarkerBit() )
1606             p_block->i_flags |= BLOCK_FLAG_END_OF_FRAME;
1607     }
1608     else if( tk->fmt.i_codec == VLC_FOURCC('h','2','6','4') )
1609     {
1610         if( (tk->p_buffer[0] & 0x1f) >= 24 )
1611             msg_Warn( p_demux, "unsupported NAL type for H264" );
1612
1613         /* Normal NAL type */
1614         p_block = block_New( p_demux, i_size + 4 );
1615         p_block->p_buffer[0] = 0x00;
1616         p_block->p_buffer[1] = 0x00;
1617         p_block->p_buffer[2] = 0x00;
1618         p_block->p_buffer[3] = 0x01;
1619         memcpy( &p_block->p_buffer[4], tk->p_buffer, i_size );
1620     }
1621     else if( tk->b_asf )
1622     {
1623         int i_copy = __MIN( p_sys->asfh.i_min_data_packet_size, (int)i_size );
1624         p_block = block_New( p_demux, p_sys->asfh.i_min_data_packet_size );
1625
1626         memcpy( p_block->p_buffer, tk->p_buffer, i_copy );
1627     }
1628     else
1629     {
1630         p_block = block_New( p_demux, i_size );
1631         memcpy( p_block->p_buffer, tk->p_buffer, i_size );
1632     }
1633
1634     /* Update NPT */
1635     //msg_Dbg( p_demux, "current %d, start_seq %u", (int)tk->sub->rtpSource()->curPacketRTPSeqNum(), tk->i_start_seq );
1636     if( (tk->fmt.i_cat == VIDEO_ES) && (p_sys->i_pcr < i_pts) &&
1637         (i_pts > 0) && (p_sys->i_pcr > 0) )
1638     {
1639         p_sys->i_npt += __MAX( 0, i_pts - p_sys->i_pcr );
1640         p_sys->i_pcr = i_pts;
1641         //msg_Dbg( p_demux, "npt update" );
1642     }
1643     else if( /*tk->fmt.i_cat == VIDEO_ES &&*/ p_sys->i_pcr < i_pts )
1644     {
1645         p_sys->i_pcr = i_pts;
1646     }
1647     //msg_Dbg( p_demux, "npt %lld", p_sys->i_npt );
1648
1649     if( (i_pts != tk->i_pts) && (!tk->b_muxed) )
1650     {
1651         p_block->i_dts = ( tk->fmt.i_cat == VIDEO_ES ) ? 0 : i_pts;
1652         p_block->i_pts = i_pts;
1653     }
1654
1655     if( tk->b_muxed )
1656     {
1657         stream_DemuxSend( tk->p_out_muxed, p_block );
1658     }
1659     else if( tk->b_asf )
1660     {
1661         stream_DemuxSend( p_sys->p_out_asf, p_block );
1662     }
1663     else
1664     {
1665         es_out_Send( p_demux->out, tk->p_es, p_block );
1666     }
1667
1668     /* warn that's ok */
1669     p_sys->event = 0xff;
1670
1671     /* we have read data */
1672     tk->waiting = 0;
1673     p_demux->p_sys->b_no_data = VLC_FALSE;
1674     p_demux->p_sys->i_no_data_ti = 0;
1675
1676     if( i_pts > 0 && !tk->b_muxed )
1677     {
1678         tk->i_pts = i_pts;
1679     }
1680 }
1681
1682 /*****************************************************************************
1683  *
1684  *****************************************************************************/
1685 static void StreamClose( void *p_private )
1686 {
1687     live_track_t   *tk = (live_track_t*)p_private;
1688     demux_t        *p_demux = tk->p_demux;
1689     demux_sys_t    *p_sys = p_demux->p_sys;
1690
1691     msg_Dbg( p_demux, "StreamClose" );
1692
1693     p_sys->event = 0xff;
1694     p_demux->b_error = VLC_TRUE;
1695 }
1696
1697
1698 /*****************************************************************************
1699  *
1700  *****************************************************************************/
1701 static void TaskInterrupt( void *p_private )
1702 {
1703     demux_t *p_demux = (demux_t*)p_private;
1704
1705     p_demux->p_sys->i_no_data_ti++;
1706
1707     /* Avoid lock */
1708     p_demux->p_sys->event = 0xff;
1709 }
1710
1711 /*****************************************************************************
1712  *
1713  *****************************************************************************/
1714 static void TimeoutPrevention( timeout_thread_t *p_timeout )
1715 {
1716     p_timeout->b_die = VLC_FALSE;
1717     p_timeout->i_remain = (int64_t)p_timeout->p_sys->i_timeout -2;
1718     p_timeout->i_remain *= 1000000;
1719
1720     vlc_thread_ready( p_timeout );
1721
1722     /* Avoid lock */
1723     while( !p_timeout->b_die )
1724     {
1725         if( p_timeout->i_remain <= 0 )
1726         {
1727             char *psz_bye = NULL;
1728             p_timeout->i_remain = (int64_t)p_timeout->p_sys->i_timeout -2;
1729             p_timeout->i_remain *= 1000000;
1730             msg_Dbg( p_timeout, "reset the timeout timer" );
1731             if( p_timeout->b_handle_keep_alive == VLC_TRUE )
1732             {
1733 #if LIVEMEDIA_LIBRARY_VERSION_INT >= 1138089600
1734                 p_timeout->p_sys->rtsp->getMediaSessionParameter( *p_timeout->p_sys->ms, NULL, psz_bye );
1735 #endif
1736                 p_timeout->p_sys->b_timeout_call = VLC_FALSE;
1737             }
1738             else
1739             {
1740                 p_timeout->p_sys->b_timeout_call = VLC_TRUE;
1741             }
1742         }
1743         p_timeout->i_remain -= 200000;
1744         msleep( 200000 ); /* 200 ms */
1745     }
1746 }
1747
1748 /*****************************************************************************
1749  *
1750  *****************************************************************************/
1751 static int b64_decode( char *dest, char *src );
1752
1753 static int ParseASF( demux_t *p_demux )
1754 {
1755     demux_sys_t    *p_sys = p_demux->p_sys;
1756
1757     const char *psz_marker = "a=pgmpu:data:application/vnd.ms.wms-hdr.asfv1;base64,";
1758     char *psz_asf = strcasestr( p_sys->p_sdp, psz_marker );
1759     char *psz_end;
1760     block_t *p_header;
1761
1762     /* Parse the asf header */
1763     if( psz_asf == NULL )
1764         return VLC_EGENERIC;
1765
1766     psz_asf += strlen( psz_marker );
1767     psz_asf = strdup( psz_asf );    /* Duplicate it */
1768     psz_end = strchr( psz_asf, '\n' );
1769
1770     while( psz_end > psz_asf && ( *psz_end == '\n' || *psz_end == '\r' ) )
1771         *psz_end-- = '\0';
1772
1773     if( psz_asf >= psz_end )
1774     {
1775         free( psz_asf );
1776         return VLC_EGENERIC;
1777     }
1778
1779     /* Always smaller */
1780     p_header = block_New( p_demux, psz_end - psz_asf );
1781     p_header->i_buffer = b64_decode( (char*)p_header->p_buffer, psz_asf );
1782     //msg_Dbg( p_demux, "Size=%d Hdrb64=%s", p_header->i_buffer, psz_asf );
1783     if( p_header->i_buffer <= 0 )
1784     {
1785         free( psz_asf );
1786         return VLC_EGENERIC;
1787     }
1788
1789     /* Parse it to get packet size */
1790     E_(asf_HeaderParse)( &p_sys->asfh, p_header->p_buffer, p_header->i_buffer );
1791
1792     /* Send it to demuxer */
1793     stream_DemuxSend( p_sys->p_out_asf, p_header );
1794
1795     free( psz_asf );
1796     return VLC_SUCCESS;
1797 }
1798
1799
1800 static unsigned char* parseH264ConfigStr( char const* configStr,
1801                                           unsigned int& configSize )
1802 {
1803     char *dup, *psz;
1804     int i, i_records = 1;
1805
1806     if( configSize )
1807     configSize = 0;
1808
1809     if( configStr == NULL || *configStr == '\0' )
1810         return NULL;
1811
1812     psz = dup = strdup( configStr );
1813
1814     /* Count the number of comma's */
1815     for( psz = dup; *psz != '\0'; ++psz )
1816     {
1817         if( *psz == ',')
1818         {
1819             ++i_records;
1820             *psz = '\0';
1821         }
1822     }
1823
1824     unsigned char *cfg = new unsigned char[5 * strlen(dup)];
1825     psz = dup;
1826     for( i = 0; i < i_records; i++ )
1827     {
1828         cfg[configSize++] = 0x00;
1829         cfg[configSize++] = 0x00;
1830         cfg[configSize++] = 0x00;
1831         cfg[configSize++] = 0x01;
1832
1833         configSize += b64_decode( (char*)&cfg[configSize], psz );
1834         psz += strlen(psz)+1;
1835     }
1836
1837     if( dup ) free( dup );
1838     return cfg;
1839 }
1840
1841 /*char b64[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";*/
1842 static int b64_decode( char *dest, char *src )
1843 {
1844     const char *dest_start = dest;
1845     int  i_level;
1846     int  last = 0;
1847     int  b64[256] = {
1848         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* 00-0F */
1849         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* 10-1F */
1850         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,62,-1,-1,-1,63,  /* 20-2F */
1851         52,53,54,55,56,57,58,59,60,61,-1,-1,-1,-1,-1,-1,  /* 30-3F */
1852         -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10,11,12,13,14,  /* 40-4F */
1853         15,16,17,18,19,20,21,22,23,24,25,-1,-1,-1,-1,-1,  /* 50-5F */
1854         -1,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,  /* 60-6F */
1855         41,42,43,44,45,46,47,48,49,50,51,-1,-1,-1,-1,-1,  /* 70-7F */
1856         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* 80-8F */
1857         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* 90-9F */
1858         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* A0-AF */
1859         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* B0-BF */
1860         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* C0-CF */
1861         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* D0-DF */
1862         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* E0-EF */
1863         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1   /* F0-FF */
1864         };
1865
1866     for( i_level = 0; *src != '\0'; src++ )
1867     {
1868         int  c;
1869
1870         c = b64[(unsigned int)*src];
1871         if( c == -1 )
1872         {
1873             continue;
1874         }
1875
1876         switch( i_level )
1877         {
1878             case 0:
1879                 i_level++;
1880                 break;
1881             case 1:
1882                 *dest++ = ( last << 2 ) | ( ( c >> 4)&0x03 );
1883                 i_level++;
1884                 break;
1885             case 2:
1886                 *dest++ = ( ( last << 4 )&0xf0 ) | ( ( c >> 2 )&0x0f );
1887                 i_level++;
1888                 break;
1889             case 3:
1890                 *dest++ = ( ( last &0x03 ) << 6 ) | c;
1891                 i_level = 0;
1892         }
1893         last = c;
1894     }
1895
1896     *dest = '\0';
1897
1898     return dest - dest_start;
1899 }