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 #ifdef HAVE_CONFIG_H
  31 # include "config.h"
  32 #endif
  33
  34 #include <vlc/vlc.h>
  35
  36 #include <vlc_demux.h>
  37 #include <vlc_interface.h>
  38 #include <vlc_network.h>
  39 #include <vlc_url.h>
  40
  41 #include <iostream>
  42 #include <limits.h>
  43
  44 #if defined( WIN32 )
  45 #   include <winsock2.h>
  46 #endif
  47
  48 #include "UsageEnvironment.hh"
  49 #include "BasicUsageEnvironment.hh"
  50 #include "GroupsockHelper.hh"
  51 #include "liveMedia.hh"
  52
  53 extern "C" {
  54 #include "../access/mms/asf.h"  /* Who said ugly ? */
  55 }
  56
  57 using namespace std;
  58
  59 /*****************************************************************************
  60  * Module descriptor
  61  *****************************************************************************/
  62 static int  Open ( vlc_object_t * );
  63 static void Close( vlc_object_t * );
  64
  65 #define CACHING_TEXT N_("Caching value (ms)")
  66 #define CACHING_LONGTEXT N_( \
  67     "Allows you to modify the default caching value for RTSP streams. This " \
  68     "value should be set in millisecond units." )
  69
  70 #define KASENNA_TEXT N_( "Kasenna RTSP dialect")
  71 #define KASENNA_LONGTEXT N_( "Kasenna servers use an old and unstandard " \
  72     "dialect of RTSP. When you set this parameter, VLC will try this dialect "\
  73     "for communication. In this mode you cannot connect to normal RTSP servers." )
  74
  75 #define USER_TEXT N_("RTSP user name")
  76 #define USER_LONGTEXT N_("Allows you to modify the user name that will " \
  77     "be used for authenticating the connection.")
  78 #define PASS_TEXT N_("RTSP password")
  79 #define PASS_LONGTEXT N_("Allows you to modify the password that will be " \
  80     "used for the connection.")
  81
  82 vlc_module_begin();
  83     set_description( _("RTP/RTSP/SDP demuxer (using Live555)" ) );
  84     set_capability( "demux", 50 );
  85     set_shortname( "RTP/RTSP");
  86     set_callbacks( Open, Close );
  87     add_shortcut( "live" );
  88     add_shortcut( "livedotcom" );
  89     set_category( CAT_INPUT );
  90     set_subcategory( SUBCAT_INPUT_DEMUX );
  91
  92     add_submodule();
  93         set_description( _("RTSP/RTP access and demux") );
  94         add_shortcut( "rtsp" );
  95         add_shortcut( "sdp" );
  96         set_capability( "access_demux", 0 );
  97         set_callbacks( Open, Close );
  98         add_bool( "rtsp-tcp", 0, NULL,
  99                   N_("Use RTP over RTSP (TCP)"),
 100                   N_("Use RTP over RTSP (TCP)"), true );
 101         add_integer( "rtp-client-port", -1, NULL,
 102                   N_("Client port"),
 103                   N_("Port to use for the RTP source of the session"), true );
 104         add_bool( "rtsp-http", 0, NULL,
 105                   N_("Tunnel RTSP and RTP over HTTP"),
 106                   N_("Tunnel RTSP and RTP over HTTP"), true );
 107         add_integer( "rtsp-http-port", 80, NULL,
 108                   N_("HTTP tunnel port"),
 109                   N_("Port to use for tunneling the RTSP/RTP over HTTP."),
 110                   true );
 111         add_integer("rtsp-caching", 4 * DEFAULT_PTS_DELAY / 1000, NULL,
 112                     CACHING_TEXT, CACHING_LONGTEXT, true );
 113         add_bool(   "rtsp-kasenna", false, NULL, KASENNA_TEXT,
 114                     KASENNA_LONGTEXT, true );
 115         add_string( "rtsp-user", NULL, NULL, USER_TEXT,
 116                     USER_LONGTEXT, true );
 117         add_string( "rtsp-pwd", NULL, NULL, PASS_TEXT,
 118                     PASS_LONGTEXT, true );
 119 vlc_module_end();
 120
 121
 122 /*****************************************************************************
 123  * Local prototypes
 124  *****************************************************************************/
 125
 126 typedef struct
 127 {
 128     demux_t         *p_demux;
 129     MediaSubsession *sub;
 130
 131     es_format_t     fmt;
 132     es_out_id_t     *p_es;
 133
 134     bool      b_muxed;
 135     bool      b_quicktime;
 136     bool      b_asf;
 137     stream_t        *p_out_muxed;    /* for muxed stream */
 138
 139     uint8_t         *p_buffer;
 140     unsigned int    i_buffer;
 141
 142     bool      b_rtcp_sync;
 143     char            waiting;
 144     int64_t         i_pts;
 145     u_int32_t       i_start_seq;
 146
 147 } live_track_t;
 148
 149 struct timeout_thread_t
 150 {
 151     VLC_COMMON_MEMBERS
 152
 153     int64_t      i_remain;
 154     bool   b_handle_keep_alive;
 155     demux_sys_t  *p_sys;
 156 };
 157
 158 struct demux_sys_t
 159 {
 160     char            *p_sdp;    /* XXX mallocated */
 161     char            *psz_path; /* URL-encoded path */
 162     vlc_url_t       url;
 163
 164     MediaSession     *ms;
 165     TaskScheduler    *scheduler;
 166     UsageEnvironment *env ;
 167     RTSPClient       *rtsp;
 168
 169     /* */
 170     int              i_track;
 171     live_track_t     **track;   /* XXX mallocated */
 172
 173     /* Weird formats */
 174     asf_header_t     asfh;
 175     stream_t         *p_out_asf;
 176     bool       b_real;
 177
 178     /* */
 179     int64_t          i_pcr; /* The clock */
 180     int64_t          i_npt; /* The current time in the stream */
 181     int64_t          i_npt_length;
 182     int64_t          i_npt_start;
 183
 184     /* timeout thread information */
 185     int              i_timeout;     /* session timeout value in seconds */
 186     bool       b_timeout_call;/* mark to send an RTSP call to prevent server timeout */
 187     timeout_thread_t *p_timeout;    /* the actual thread that makes sure we don't timeout */
 188
 189     /* */
 190     bool       b_multicast;   /* true if one of the tracks is multicasted */
 191     bool       b_no_data;     /* true if we never receive any data */
 192     int              i_no_data_ti;  /* consecutive number of TaskInterrupt */
 193
 194     char             event;
 195 };
 196
 197 static int Demux  ( demux_t * );
 198 static int Control( demux_t *, int, va_list );
 199
 200 static int Connect      ( demux_t * );
 201 static int SessionsSetup( demux_t * );
 202 static int Play         ( demux_t *);
 203 static int ParseASF     ( demux_t * );
 204 static int RollOverTcp  ( demux_t * );
 205
 206 static void StreamRead  ( void *, unsigned int, unsigned int,
 207                           struct timeval, unsigned int );
 208 static void StreamClose ( void * );
 209 static void TaskInterrupt( void * );
 210
 211 static void TimeoutPrevention( timeout_thread_t * );
 212
 213 static unsigned char* parseH264ConfigStr( char const* configStr,
 214                                           unsigned int& configSize );
 215
 216 /*****************************************************************************
 217  * DemuxOpen:
 218  *****************************************************************************/
 219 static int  Open ( vlc_object_t *p_this )
 220 {
 221     demux_t     *p_demux = (demux_t*)p_this;
 222     demux_sys_t *p_sys = NULL;
 223
 224     MediaSubsessionIterator *iter   = NULL;
 225     MediaSubsession         *sub    = NULL;
 226     int i, i_return;
 227     int i_error = VLC_EGENERIC;
 228
 229     if( p_demux->s )
 230     {
 231         /* See if it looks like a SDP
 232            v, o, s fields are mandatory and in this order */
 233         const uint8_t *p_peek;
 234         if( stream_Peek( p_demux->s, &p_peek, 7 ) < 7 ) return VLC_EGENERIC;
 235
 236         if( memcmp( p_peek, "v=0\r\n", 5 ) &&
 237             memcmp( p_peek, "v=0\n", 4 ) &&
 238             ( p_peek[0] < 'a' || p_peek[0] > 'z' || p_peek[1] != '=' ) )
 239         {
 240             return VLC_EGENERIC;
 241         }
 242     }
 243     else
 244     {
 245         var_Create( p_demux, "rtsp-caching", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
 246     }
 247
 248     p_demux->pf_demux  = Demux;
 249     p_demux->pf_control= Control;
 250     p_demux->p_sys     = p_sys = (demux_sys_t*)malloc( sizeof( demux_sys_t ) );
 251     if( !p_sys ) return VLC_ENOMEM;
 252
 253     p_sys->p_sdp = NULL;
 254     p_sys->scheduler = NULL;
 255     p_sys->env = NULL;
 256     p_sys->ms = NULL;
 257     p_sys->rtsp = NULL;
 258     p_sys->i_track = 0;
 259     p_sys->track   = NULL;
 260     p_sys->i_pcr = 0;
 261     p_sys->i_npt = 0;
 262     p_sys->i_npt_start = 0;
 263     p_sys->i_npt_length = 0;
 264     p_sys->p_out_asf = NULL;
 265     p_sys->b_no_data = true;
 266     p_sys->i_no_data_ti = 0;
 267     p_sys->p_timeout = NULL;
 268     p_sys->i_timeout = 0;
 269     p_sys->b_timeout_call = false;
 270     p_sys->b_multicast = false;
 271     p_sys->b_real = false;
 272     p_sys->psz_path = strdup( p_demux->psz_path );
 273
 274     /* parse URL for rtsp://[user:[passwd]@]serverip:port/options */
 275     vlc_UrlParse( &p_sys->url, p_sys->psz_path, 0 );
 276
 277     if( ( p_sys->scheduler = BasicTaskScheduler::createNew() ) == NULL )
 278     {
 279         msg_Err( p_demux, "BasicTaskScheduler::createNew failed" );
 280         goto error;
 281     }
 282     if( !( p_sys->env = BasicUsageEnvironment::createNew(*p_sys->scheduler) ) )
 283     {
 284         msg_Err( p_demux, "BasicUsageEnvironment::createNew failed" );
 285         goto error;
 286     }
 287
 288     if( strcasecmp( p_demux->psz_access, "sdp" ) )
 289     {
 290         char *p = p_sys->psz_path;
 291         while( (p = strchr( p, ' ' )) != NULL ) *p = '+';
 292     }
 293
 294     if( p_demux->s != NULL )
 295     {
 296         /* Gather the complete sdp file */
 297         int     i_sdp       = 0;
 298         int     i_sdp_max   = 1000;
 299         uint8_t *p_sdp      = (uint8_t*) malloc( i_sdp_max );
 300
 301         if( !p_sdp )
 302         {
 303             i_error = VLC_ENOMEM;
 304             goto error;
 305         }
 306
 307         for( ;; )
 308         {
 309             int i_read = stream_Read( p_demux->s, &p_sdp[i_sdp],
 310                                       i_sdp_max - i_sdp - 1 );
 311
 312             if( p_demux->b_die || p_demux->b_error )
 313             {
 314                 free( p_sdp );
 315                 goto error;
 316             }
 317
 318             if( i_read < 0 )
 319             {
 320                 msg_Err( p_demux, "failed to read SDP" );
 321                 free( p_sdp );
 322                 goto error;
 323             }
 324
 325             i_sdp += i_read;
 326
 327             if( i_read < i_sdp_max - i_sdp - 1 )
 328             {
 329                 p_sdp[i_sdp] = '\0';
 330                 break;
 331             }
 332
 333             i_sdp_max += 1000;
 334             p_sdp = (uint8_t*)realloc( p_sdp, i_sdp_max );
 335         }
 336         p_sys->p_sdp = (char*)p_sdp;
 337     }
 338     else if( ( p_demux->s == NULL ) &&
 339              !strcasecmp( p_demux->psz_access, "sdp" ) )
 340     {
 341         /* sdp:// link from SAP */
 342         p_sys->p_sdp = strdup( p_sys->psz_path );
 343     }
 344     else if( ( i_return = Connect( p_demux ) ) != VLC_SUCCESS )
 345     {
 346         msg_Err( p_demux, "Failed to connect with rtsp://%s", p_sys->psz_path );
 347         goto error;
 348     }
 349
 350     if( p_sys->p_sdp == NULL )
 351     {
 352         msg_Err( p_demux, "Failed to retrieve the RTSP Session Description" );
 353         i_error = VLC_ENOMEM;
 354         goto error;
 355     }
 356
 357     if( ( i_return = SessionsSetup( p_demux ) ) != VLC_SUCCESS )
 358     {
 359         msg_Err( p_demux, "Nothing to play for rtsp://%s", p_sys->psz_path );
 360         goto error;
 361     }
 362
 363     if( p_sys->b_real ) goto error;
 364
 365     if( ( i_return = Play( p_demux ) ) != VLC_SUCCESS )
 366         goto error;
 367
 368     if( p_sys->p_out_asf && ParseASF( p_demux ) )
 369     {
 370         msg_Err( p_demux, "cannot find a usable asf header" );
 371         /* TODO Clean tracks */
 372         goto error;
 373     }
 374
 375     if( p_sys->i_track <= 0 )
 376         goto error;
 377
 378     return VLC_SUCCESS;
 379
 380 error:
 381     for( i = 0; i < p_sys->i_track; i++ )
 382     {
 383         live_track_t *tk = p_sys->track[i];
 384
 385         if( tk->b_muxed ) stream_DemuxDelete( tk->p_out_muxed );
 386         free( tk->p_buffer );
 387         free( tk );
 388     }
 389
 390     if( p_sys->i_track ) free( p_sys->track );
 391     if( p_sys->p_out_asf ) stream_DemuxDelete( p_sys->p_out_asf );
 392     if( p_sys->rtsp && p_sys->ms ) p_sys->rtsp->teardownMediaSession( *p_sys->ms );
 393     if( p_sys->ms ) Medium::close( p_sys->ms );
 394     if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp );
 395     if( p_sys->env ) p_sys->env->reclaim();
 396     if( p_sys->p_timeout )
 397     {
 398         vlc_object_kill( p_sys->p_timeout );
 399         vlc_thread_join( p_sys->p_timeout );
 400         vlc_object_detach( p_sys->p_timeout );
 401         vlc_object_release( p_sys->p_timeout );
 402     }
 403     delete p_sys->scheduler;
 404     free( p_sys->p_sdp );
 405     free( p_sys->psz_path );
 406
 407     vlc_UrlClean( &p_sys->url );
 408
 409     free( p_sys );
 410     return i_error;
 411 }
 412
 413 /*****************************************************************************
 414  * DemuxClose:
 415  *****************************************************************************/
 416 static void Close( vlc_object_t *p_this )
 417 {
 418     demux_t *p_demux = (demux_t*)p_this;
 419     demux_sys_t *p_sys = p_demux->p_sys;
 420     int i;
 421
 422     for( i = 0; i < p_sys->i_track; i++ )
 423     {
 424         live_track_t *tk = p_sys->track[i];
 425
 426         if( tk->b_muxed ) stream_DemuxDelete( tk->p_out_muxed );
 427         free( tk->p_buffer );
 428         free( tk );
 429     }
 430
 431     if( p_sys->i_track ) free( p_sys->track );
 432     if( p_sys->p_out_asf ) stream_DemuxDelete( p_sys->p_out_asf );
 433     if( p_sys->rtsp && p_sys->ms ) p_sys->rtsp->teardownMediaSession( *p_sys->ms );
 434     if( p_sys->ms ) Medium::close( p_sys->ms );
 435     if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp );
 436     if( p_sys->env ) p_sys->env->reclaim();
 437     if( p_sys->p_timeout )
 438     {
 439         vlc_object_kill( p_sys->p_timeout );
 440         vlc_thread_join( p_sys->p_timeout );
 441         vlc_object_detach( p_sys->p_timeout );
 442         vlc_object_release( p_sys->p_timeout );
 443     }
 444     delete p_sys->scheduler;
 445     free( p_sys->p_sdp );
 446     free( p_sys->psz_path );
 447
 448     vlc_UrlClean( &p_sys->url );
 449
 450     free( p_sys );
 451 }
 452
 453 /*****************************************************************************
 454  * Connect: connects to the RTSP server to setup the session DESCRIBE
 455  *****************************************************************************/
 456 static int Connect( demux_t *p_demux )
 457 {
 458     demux_sys_t *p_sys = p_demux->p_sys;
 459     Authenticator authenticator;
 460     bool b_firstpass = true;
 461
 462     char *psz_user    = NULL;
 463     char *psz_pwd     = NULL;
 464     char *psz_url     = NULL;
 465     char *psz_options = NULL;
 466     char *p_sdp       = NULL;
 467     int  i_http_port  = 0;
 468     int  i_ret        = VLC_SUCCESS;
 469
 470     psz_url = (char*)malloc( strlen( p_sys->psz_path ) + 8 );
 471     if( !psz_url ) return VLC_ENOMEM;
 472
 473     if( p_sys->url.psz_username || p_sys->url.psz_password )
 474     {
 475         sprintf( psz_url, "rtsp://%s%s", p_sys->url.psz_host,
 476                  p_sys->url.psz_path );
 477
 478         psz_user = strdup( p_sys->url.psz_username );
 479         psz_pwd  = strdup( p_sys->url.psz_password );
 480     }
 481     else
 482     {
 483         sprintf( psz_url, "rtsp://%s", p_sys->psz_path );
 484
 485         psz_user = var_CreateGetString( p_demux, "rtsp-user" );
 486         psz_pwd  = var_CreateGetString( p_demux, "rtsp-pwd" );
 487     }
 488
 489     int i_lefttries = 3;
 490 createnew:
 491     i_lefttries--;
 492     if( p_demux->b_die || p_demux->b_error )
 493     {
 494         free( psz_user );
 495         free( psz_pwd );
 496         free( psz_url );
 497         return VLC_EGENERIC;
 498     }
 499
 500     if( var_CreateGetBool( p_demux, "rtsp-http" ) )
 501         i_http_port = var_CreateGetInteger( p_demux, "rtsp-http-port" );
 502
 503     if( ( p_sys->rtsp = RTSPClient::createNew( *p_sys->env,
 504           p_demux->p_libvlc->i_verbose > 1,
 505           "VLC media player", i_http_port ) ) == NULL )
 506     {
 507         msg_Err( p_demux, "RTSPClient::createNew failed (%s)",
 508                  p_sys->env->getResultMsg() );
 509         free( psz_user );
 510         free( psz_pwd );
 511         free( psz_url );
 512         return VLC_EGENERIC;
 513     }
 514
 515     /* Kasenna enables KeepAlive by analysing the User-Agent string.
 516      * Appending _KA to the string should be enough to enable this feature,
 517      * however, there is a bug where the _KA doesn't get parsed from the
 518      * default User-Agent as created by VLC/Live555 code. This is probably due
 519      * to spaces in the string or the string being too long. Here we override
 520      * the default string with a more compact version.
 521      */
 522     if( var_CreateGetBool( p_demux, "rtsp-kasenna" ))
 523     {
 524 #if LIVEMEDIA_LIBRARY_VERSION_INT > 1130457500
 525         p_sys->rtsp->setUserAgentString( "VLC_MEDIA_PLAYER_KA" );
 526 #endif
 527     }
 528
 529 describe:
 530     authenticator.setUsernameAndPassword( (const char*)psz_user,
 531                                           (const char*)psz_pwd );
 532
 533     psz_options = p_sys->rtsp->sendOptionsCmd( psz_url, psz_user, psz_pwd,
 534                                                &authenticator );
 535     delete [] psz_options;
 536
 537     p_sdp = p_sys->rtsp->describeURL( psz_url, &authenticator,
 538                          var_GetBool( p_demux, "rtsp-kasenna" ) );
 539     if( p_sdp == NULL )
 540     {
 541         /* failure occurred */
 542         int i_code = 0;
 543         const char *psz_error = p_sys->env->getResultMsg();
 544
 545         if( var_GetBool( p_demux, "rtsp-http" ) )
 546             sscanf( psz_error, "%*s %*s HTTP GET %*s HTTP/%*u.%*u %3u %*s",
 547                     &i_code );
 548         else
 549         {
 550             const char *psz_tmp = strstr( psz_error, "RTSP" );
 551             if( psz_tmp )
 552                 sscanf( psz_tmp, "RTSP/%*s%3u", &i_code );
 553             else
 554                 i_code = 0;
 555         }
 556         msg_Dbg( p_demux, "DESCRIBE failed with %d: %s", i_code, psz_error );
 557
 558         if( b_firstpass )
 559         {   /* describeURL always returns an "RTSP/1.0 401 Unauthorized" the
 560              * first time. This is a workaround to avoid asking for a
 561              * user/passwd the first time the code passess here. */
 562             i_code = 0;
 563             b_firstpass = false;
 564         }
 565
 566         if( i_code == 401 )
 567         {
 568             int i_result;
 569             msg_Dbg( p_demux, "authentication failed" );
 570
 571             free( psz_user );
 572             free( psz_pwd );
 573             psz_user = psz_pwd = NULL;
 574
 575             i_result = intf_UserLoginPassword( p_demux, _("RTSP authentication"),
 576                            _("Please enter a valid login name and a password."),
 577                                                    &psz_user, &psz_pwd );
 578             if( i_result == DIALOG_OK_YES )
 579             {
 580                 msg_Dbg( p_demux, "retrying with user=%s, pwd=%s",
 581                          psz_user, psz_pwd );
 582                 goto describe;
 583             }
 584         }
 585         else if( (i_code != 0) && !var_GetBool( p_demux, "rtsp-http" ) )
 586         {
 587             /* Perhaps a firewall is being annoying. Try HTTP tunneling mode */
 588             vlc_value_t val;
 589             val.b_bool = true;
 590             msg_Dbg( p_demux, "we will now try HTTP tunneling mode" );
 591             var_Set( p_demux, "rtsp-http", val );
 592             if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp );
 593             p_sys->rtsp = NULL;
 594             goto createnew;
 595         }
 596         else
 597         {
 598             msg_Dbg( p_demux, "connection timeout, retrying" );
 599             if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp );
 600             p_sys->rtsp = NULL;
 601             if( i_lefttries > 0 )
 602                 goto createnew;
 603         }
 604         i_ret = VLC_EGENERIC;
 605     }
 606
 607     /* malloc-ated copy */
 608     free( psz_url );
 609     free( psz_user );
 610     free( psz_pwd );
 611
 612     free( p_sys->p_sdp );
 613     p_sys->p_sdp = NULL;
 614     if( p_sdp ) p_sys->p_sdp = strdup( (char*)p_sdp );
 615     delete[] p_sdp;
 616
 617     return i_ret;
 618 }
 619
 620 /*****************************************************************************
 621  * SessionsSetup: prepares the subsessions and does the SETUP
 622  *****************************************************************************/
 623 static int SessionsSetup( demux_t *p_demux )
 624 {
 625     demux_sys_t             *p_sys  = p_demux->p_sys;
 626     MediaSubsessionIterator *iter   = NULL;
 627     MediaSubsession         *sub    = NULL;
 628
 629     bool     b_rtsp_tcp = false;
 630     int            i_client_port;
 631     int            i_return = VLC_SUCCESS;
 632     unsigned int   i_buffer = 0;
 633     unsigned const thresh = 200000; /* RTP reorder threshold .2 second (default .1) */
 634
 635     b_rtsp_tcp    = var_CreateGetBool( p_demux, "rtsp-tcp" ) ||
 636                     var_GetBool( p_demux, "rtsp-http" );
 637     i_client_port = var_CreateGetInteger( p_demux, "rtp-client-port" );
 638
 639     /* Create the session from the SDP */
 640     if( !( p_sys->ms = MediaSession::createNew( *p_sys->env, p_sys->p_sdp ) ) )
 641     {
 642         msg_Err( p_demux, "Could not create the RTSP Session: %s",
 643             p_sys->env->getResultMsg() );
 644         return VLC_EGENERIC;
 645     }
 646
 647     /* Initialise each media subsession */
 648     iter = new MediaSubsessionIterator( *p_sys->ms );
 649     while( ( sub = iter->next() ) != NULL )
 650     {
 651         Boolean bInit;
 652         live_track_t *tk;
 653
 654         if( p_demux->b_die || p_demux->b_error )
 655         {
 656             delete iter;
 657             return VLC_EGENERIC;
 658         }
 659
 660         /* Value taken from mplayer */
 661         if( !strcmp( sub->mediumName(), "audio" ) )
 662             i_buffer = 100000;
 663         else if( !strcmp( sub->mediumName(), "video" ) )
 664             i_buffer = 2000000;
 665         else continue;
 666
 667         if( i_client_port != -1 )
 668         {
 669             sub->setClientPortNum( i_client_port );
 670             i_client_port += 2;
 671         }
 672
 673         if( strcasestr( sub->codecName(), "REAL" ) )
 674         {
 675             msg_Info( p_demux, "real codec detected, using real-RTSP instead" );
 676             p_sys->b_real = true; /* This is a problem, we'll handle it later */
 677             continue;
 678         }
 679
 680         if( !strcmp( sub->codecName(), "X-ASF-PF" ) )
 681             bInit = sub->initiate( 4 ); /* Constant ? */
 682         else
 683             bInit = sub->initiate();
 684
 685         if( !bInit )
 686         {
 687             msg_Warn( p_demux, "RTP subsession '%s/%s' failed (%s)",
 688                       sub->mediumName(), sub->codecName(),
 689                       p_sys->env->getResultMsg() );
 690         }
 691         else
 692         {
 693             if( sub->rtpSource() != NULL )
 694             {
 695                 int fd = sub->rtpSource()->RTPgs()->socketNum();
 696
 697                 /* Increase the buffer size */
 698                 if( i_buffer > 0 )
 699                     increaseReceiveBufferTo( *p_sys->env, fd, i_buffer );
 700
 701                 /* Increase the RTP reorder timebuffer just a bit */
 702                 sub->rtpSource()->setPacketReorderingThresholdTime(thresh);
 703             }
 704             msg_Dbg( p_demux, "RTP subsession '%s/%s'", sub->mediumName(),
 705                      sub->codecName() );
 706
 707             /* Issue the SETUP */
 708             if( p_sys->rtsp )
 709             {
 710                 if( !( p_sys->rtsp->setupMediaSubsession( *sub, False,
 711                                                    b_rtsp_tcp ? True : False ) ) )
 712                 {
 713                     /* if we get an unsupported transport error, toggle TCP use and try again */
 714                     if( !strstr(p_sys->env->getResultMsg(), "461 Unsupported Transport")
 715                      || !( p_sys->rtsp->setupMediaSubsession( *sub, False,
 716                                                    b_rtsp_tcp ? False : True ) ) )
 717                     {
 718                         msg_Err( p_demux, "SETUP of'%s/%s' failed %s", sub->mediumName(),
 719                                  sub->codecName(), p_sys->env->getResultMsg() );
 720                         continue;
 721                     }
 722                 }
 723             }
 724
 725             /* Check if we will receive data from this subsession for this track */
 726             if( sub->readSource() == NULL ) continue;
 727             if( !p_sys->b_multicast )
 728             {
 729                 /* Check, because we need diff. rollover behaviour for multicast */
 730                 p_sys->b_multicast = IsMulticastAddress( sub->connectionEndpointAddress() );
 731             }
 732
 733             tk = (live_track_t*)malloc( sizeof( live_track_t ) );
 734             if( !tk )
 735             {
 736                 delete iter;
 737                 return VLC_ENOMEM;
 738             }
 739             tk->p_demux     = p_demux;
 740             tk->sub         = sub;
 741             tk->p_es        = NULL;
 742             tk->b_quicktime = false;
 743             tk->b_asf       = false;
 744             tk->b_muxed     = false;
 745             tk->p_out_muxed = NULL;
 746             tk->waiting     = 0;
 747             tk->b_rtcp_sync = false;
 748             tk->i_pts       = 0;
 749             tk->i_buffer    = 65536;
 750             tk->p_buffer    = (uint8_t *)malloc( 65536 );
 751             if( !tk->p_buffer )
 752             {
 753                 delete iter;
 754                 return VLC_ENOMEM;
 755             }
 756
 757             /* Value taken from mplayer */
 758             if( !strcmp( sub->mediumName(), "audio" ) )
 759             {
 760                 es_format_Init( &tk->fmt, AUDIO_ES, VLC_FOURCC('u','n','d','f') );
 761                 tk->fmt.audio.i_channels = sub->numChannels();
 762                 tk->fmt.audio.i_rate = sub->rtpTimestampFrequency();
 763
 764                 if( !strcmp( sub->codecName(), "MPA" ) ||
 765                     !strcmp( sub->codecName(), "MPA-ROBUST" ) ||
 766                     !strcmp( sub->codecName(), "X-MP3-DRAFT-00" ) )
 767                 {
 768                     tk->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'a' );
 769                     tk->fmt.audio.i_rate = 0;
 770                 }
 771                 else if( !strcmp( sub->codecName(), "AC3" ) )
 772                 {
 773                     tk->fmt.i_codec = VLC_FOURCC( 'a', '5', '2', ' ' );
 774                     tk->fmt.audio.i_rate = 0;
 775                 }
 776                 else if( !strcmp( sub->codecName(), "L16" ) )
 777                 {
 778                     tk->fmt.i_codec = VLC_FOURCC( 't', 'w', 'o', 's' );
 779                     tk->fmt.audio.i_bitspersample = 16;
 780                 }
 781                 else if( !strcmp( sub->codecName(), "L8" ) )
 782                 {
 783                     tk->fmt.i_codec = VLC_FOURCC( 'a', 'r', 'a', 'w' );
 784                     tk->fmt.audio.i_bitspersample = 8;
 785                 }
 786                 else if( !strcmp( sub->codecName(), "PCMU" ) )
 787                 {
 788                     tk->fmt.i_codec = VLC_FOURCC( 'u', 'l', 'a', 'w' );
 789                 }
 790                 else if( !strcmp( sub->codecName(), "PCMA" ) )
 791                 {
 792                     tk->fmt.i_codec = VLC_FOURCC( 'a', 'l', 'a', 'w' );
 793                 }
 794                 else if( !strncmp( sub->codecName(), "G726", 4 ) )
 795                 {
 796                     tk->fmt.i_codec = VLC_FOURCC( 'g', '7', '2', '6' );
 797                     tk->fmt.audio.i_rate = 8000;
 798                     tk->fmt.audio.i_channels = 1;
 799                     if( !strcmp( sub->codecName()+5, "40" ) )
 800                         tk->fmt.i_bitrate = 40000;
 801                     else if( !strcmp( sub->codecName()+5, "32" ) )
 802                         tk->fmt.i_bitrate = 32000;
 803                     else if( !strcmp( sub->codecName()+5, "24" ) )
 804                         tk->fmt.i_bitrate = 24000;
 805                     else if( !strcmp( sub->codecName()+5, "16" ) )
 806                         tk->fmt.i_bitrate = 16000;
 807                 }
 808                 else if( !strcmp( sub->codecName(), "AMR" ) )
 809                 {
 810                     tk->fmt.i_codec = VLC_FOURCC( 's', 'a', 'm', 'r' );
 811                 }
 812                 else if( !strcmp( sub->codecName(), "AMR-WB" ) )
 813                 {
 814                     tk->fmt.i_codec = VLC_FOURCC( 's', 'a', 'w', 'b' );
 815                 }
 816                 else if( !strcmp( sub->codecName(), "MP4A-LATM" ) )
 817                 {
 818                     unsigned int i_extra;
 819                     uint8_t      *p_extra;
 820
 821                     tk->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'a' );
 822
 823                     if( ( p_extra = parseStreamMuxConfigStr( sub->fmtp_config(),
 824                                                              i_extra ) ) )
 825                     {
 826                         tk->fmt.i_extra = i_extra;
 827                         tk->fmt.p_extra = malloc( i_extra );
 828                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
 829                         delete[] p_extra;
 830                     }
 831                     /* Because the "faad" decoder does not handle the LATM data length field
 832                        at the start of each returned LATM frame, tell the RTP source to omit it. */
 833                     ((MPEG4LATMAudioRTPSource*)sub->rtpSource())->omitLATMDataLengthField();
 834                 }
 835                 else if( !strcmp( sub->codecName(), "MPEG4-GENERIC" ) )
 836                 {
 837                     unsigned int i_extra;
 838                     uint8_t      *p_extra;
 839
 840                     tk->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'a' );
 841
 842                     if( ( p_extra = parseGeneralConfigStr( sub->fmtp_config(),
 843                                                            i_extra ) ) )
 844                     {
 845                         tk->fmt.i_extra = i_extra;
 846                         tk->fmt.p_extra = malloc( i_extra );
 847                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
 848                         delete[] p_extra;
 849                     }
 850                 }
 851                 else if( !strcmp( sub->codecName(), "X-ASF-PF" ) )
 852                 {
 853                     tk->b_asf = true;
 854                     if( p_sys->p_out_asf == NULL )
 855                         p_sys->p_out_asf = stream_DemuxNew( p_demux, "asf",
 856                                                             p_demux->out );
 857                 }
 858                 else if( !strcmp( sub->codecName(), "X-QT" ) ||
 859                          !strcmp( sub->codecName(), "X-QUICKTIME" ) )
 860                 {
 861                     tk->b_quicktime = true;
 862                 }
 863                 else if( !strcmp( sub->codecName(), "SPEEX" ) )
 864                 {
 865                     tk->fmt.i_codec = VLC_FOURCC( 's', 'p', 'x', 'r' );
 866                     if ( sub->rtpTimestampFrequency() )
 867                         tk->fmt.audio.i_rate = sub->rtpTimestampFrequency();
 868                     else
 869                     {
 870                         msg_Warn( p_demux,"Using 8kHz as default sample rate." );
 871                         tk->fmt.audio.i_rate = 8000;
 872                     }
 873                 }
 874             }
 875             else if( !strcmp( sub->mediumName(), "video" ) )
 876             {
 877                 es_format_Init( &tk->fmt, VIDEO_ES, VLC_FOURCC('u','n','d','f') );
 878                 if( !strcmp( sub->codecName(), "MPV" ) )
 879                 {
 880                     tk->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'v' );
 881                 }
 882                 else if( !strcmp( sub->codecName(), "H263" ) ||
 883                          !strcmp( sub->codecName(), "H263-1998" ) ||
 884                          !strcmp( sub->codecName(), "H263-2000" ) )
 885                 {
 886                     tk->fmt.i_codec = VLC_FOURCC( 'H', '2', '6', '3' );
 887                 }
 888                 else if( !strcmp( sub->codecName(), "H261" ) )
 889                 {
 890                     tk->fmt.i_codec = VLC_FOURCC( 'H', '2', '6', '1' );
 891                 }
 892                 else if( !strcmp( sub->codecName(), "H264" ) )
 893                 {
 894                     unsigned int i_extra = 0;
 895                     uint8_t      *p_extra = NULL;
 896
 897                     tk->fmt.i_codec = VLC_FOURCC( 'h', '2', '6', '4' );
 898                     tk->fmt.b_packetized = false;
 899
 900                     if((p_extra=parseH264ConfigStr( sub->fmtp_spropparametersets(),
 901                                                     i_extra ) ) )
 902                     {
 903                         tk->fmt.i_extra = i_extra;
 904                         tk->fmt.p_extra = malloc( i_extra );
 905                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
 906
 907                         delete[] p_extra;
 908                     }
 909                 }
 910                 else if( !strcmp( sub->codecName(), "JPEG" ) )
 911                 {
 912                     tk->fmt.i_codec = VLC_FOURCC( 'M', 'J', 'P', 'G' );
 913                 }
 914                 else if( !strcmp( sub->codecName(), "MP4V-ES" ) )
 915                 {
 916                     unsigned int i_extra;
 917                     uint8_t      *p_extra;
 918
 919                     tk->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'v' );
 920
 921                     if( ( p_extra = parseGeneralConfigStr( sub->fmtp_config(),
 922                                                            i_extra ) ) )
 923                     {
 924                         tk->fmt.i_extra = i_extra;
 925                         tk->fmt.p_extra = malloc( i_extra );
 926                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
 927                         delete[] p_extra;
 928                     }
 929                 }
 930                 else if( !strcmp( sub->codecName(), "X-QT" ) ||
 931                          !strcmp( sub->codecName(), "X-QUICKTIME" ) ||
 932                          !strcmp( sub->codecName(), "X-QDM" ) ||
 933                          !strcmp( sub->codecName(), "X-SV3V-ES" )  ||
 934                          !strcmp( sub->codecName(), "X-SORENSONVIDEO" ) )
 935                 {
 936                     tk->b_quicktime = true;
 937                 }
 938                 else if( !strcmp( sub->codecName(), "MP2T" ) )
 939                 {
 940                     tk->b_muxed = true;
 941                     tk->p_out_muxed = stream_DemuxNew( p_demux, "ts", p_demux->out );
 942                 }
 943                 else if( !strcmp( sub->codecName(), "MP2P" ) ||
 944                          !strcmp( sub->codecName(), "MP1S" ) )
 945                 {
 946                     tk->b_muxed = true;
 947                     tk->p_out_muxed = stream_DemuxNew( p_demux, "ps",
 948                                                        p_demux->out );
 949                 }
 950                 else if( !strcmp( sub->codecName(), "X-ASF-PF" ) )
 951                 {
 952                     tk->b_asf = true;
 953                     if( p_sys->p_out_asf == NULL )
 954                         p_sys->p_out_asf = stream_DemuxNew( p_demux, "asf",
 955                                                             p_demux->out );;
 956                 }
 957             }
 958
 959             if( !tk->b_quicktime && !tk->b_muxed && !tk->b_asf )
 960             {
 961                 tk->p_es = es_out_Add( p_demux->out, &tk->fmt );
 962             }
 963
 964             if( sub->rtcpInstance() != NULL )
 965             {
 966                 sub->rtcpInstance()->setByeHandler( StreamClose, tk );
 967             }
 968
 969             if( tk->p_es || tk->b_quicktime || tk->b_muxed || tk->b_asf )
 970             {
 971                 /* Append */
 972                 p_sys->track = (live_track_t**)realloc( p_sys->track, sizeof( live_track_t ) * ( p_sys->i_track + 1 ) );
 973                 p_sys->track[p_sys->i_track++] = tk;
 974             }
 975             else
 976             {
 977                 /* BUG ??? */
 978                 msg_Err( p_demux, "unusable RTSP track. this should not happen" );
 979                 free( tk );
 980             }
 981         }
 982     }
 983     delete iter;
 984     if( p_sys->i_track <= 0 ) i_return = VLC_EGENERIC;
 985
 986 #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 1199404800)
 987     /* Retrieve the starttime if possible */
 988     p_sys->i_npt_start = (int64_t)( p_sys->ms->playStartTime() * (double)1000000.0 );
 989 #else
 990     p_sys->i_npt_start = (int64_t) -1;
 991 #endif
 992     if( p_sys->i_npt_start < 0 )
 993         p_sys->i_npt_start = -1;
 994
 995 #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 1199404800)
 996     /* Retrieve the duration if possible */
 997     p_sys->i_npt_length = (int64_t)( p_sys->ms->playEndTime() * (double)1000000.0 );
 998 #else
 999     p_sys->i_npt_length = (int64_t) -1;
1000 #endif
1001     if( p_sys->i_npt_length < 0 )
1002         p_sys->i_npt_length = -1;
1003
1004     msg_Dbg( p_demux, "setup start: %lld stop:%lld", p_sys->i_npt_start, p_sys->i_npt_length );
1005     return i_return;
1006 }
1007
1008 /*****************************************************************************
1009  * Play: starts the actual playback of the stream
1010  *****************************************************************************/
1011 static int Play( demux_t *p_demux )
1012 {
1013     demux_sys_t *p_sys = p_demux->p_sys;
1014     int i;
1015
1016     if( p_sys->rtsp )
1017     {
1018         /* The PLAY */
1019         if( !p_sys->rtsp->playMediaSession( *p_sys->ms, p_sys->i_npt_start, -1, 1 ) )
1020         {
1021             msg_Err( p_demux, "RTSP PLAY failed %s", p_sys->env->getResultMsg() );
1022             return VLC_EGENERIC;
1023         }
1024
1025         /* Retrieve the timeout value and set up a timeout prevention thread */
1026         p_sys->i_timeout = p_sys->rtsp->sessionTimeoutParameter();
1027         if( p_sys->i_timeout <= 0 )
1028             p_sys->i_timeout = 60; /* default value from RFC2326 */
1029
1030         /* start timeout-thread only on x-asf streams (wms), it has rtcp support but doesn't
1031          * seem to use it for liveness/keep-alive, get_parameter seems to work for it. get_parameter
1032          * doesn't work with dss 5.5.4 & 5.5.5, they seems to work with rtcp */
1033         if( !p_sys->p_timeout && p_sys->p_out_asf )
1034         {
1035             msg_Dbg( p_demux, "We have a timeout of %d seconds",  p_sys->i_timeout );
1036             p_sys->p_timeout = (timeout_thread_t *)vlc_object_create( p_demux, sizeof(timeout_thread_t) );
1037             p_sys->p_timeout->p_sys = p_demux->p_sys; /* lol, object recursion :D */
1038             if( vlc_thread_create( p_sys->p_timeout, "liveMedia-timeout", TimeoutPrevention,
1039                                    VLC_THREAD_PRIORITY_LOW, true ) )
1040             {
1041                 msg_Err( p_demux, "cannot spawn liveMedia timeout thread" );
1042                 vlc_object_release( p_sys->p_timeout );
1043             }
1044             msg_Dbg( p_demux, "spawned timeout thread" );
1045             vlc_object_attach( p_sys->p_timeout, p_demux );
1046         }
1047     }
1048     p_sys->i_pcr = 0;
1049
1050 #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 1195257600)
1051     for( i = 0; i < p_sys->i_track; i++ )
1052     {
1053         if( !p_sys->track[i]->b_rtcp_sync )
1054             p_sys->track[i]->i_pts = (int64_t) ( p_sys->track[i]->sub->rtpInfo.timestamp * (double)1000000.0 );
1055         p_sys->track[i]->i_start_seq = (int)p_sys->track[i]->sub->rtpInfo.seqNum;
1056         msg_Info( p_demux, "set startseq: %u", p_sys->track[i]->i_start_seq );
1057     }
1058 #endif
1059
1060 #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 1199404800)
1061     /* Retrieve the starttime if possible */
1062     p_sys->i_npt_start = (int64_t)( p_sys->ms->playStartTime() * (double)1000000.0 );
1063 #else
1064     p_sys->i_npt_start = -1;
1065 #endif
1066     if( p_sys->i_npt_start < 0 )
1067     {
1068         p_sys->i_npt_start = -1;
1069         p_sys->i_npt = 0;
1070     }
1071     else
1072         p_sys->i_npt = p_sys->i_npt_start;
1073
1074 #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 1199404800)
1075     /* Retrieve the duration if possible */
1076     p_sys->i_npt_length = (int64_t)( p_sys->ms->playEndTime() * (double)1000000.0 );
1077 #else
1078     p_sys->i_npt_length = -1;
1079 #endif
1080     if( p_sys->i_npt_length < 0 )
1081         p_sys->i_npt_length = -1;
1082
1083     msg_Dbg( p_demux, "play start: %lld stop:%lld", p_sys->i_npt_start, p_sys->i_npt_length );
1084     return VLC_SUCCESS;
1085 }
1086
1087
1088 /*****************************************************************************
1089  * Demux:
1090  *****************************************************************************/
1091 static int Demux( demux_t *p_demux )
1092 {
1093     demux_sys_t    *p_sys = p_demux->p_sys;
1094     TaskToken      task;
1095
1096     bool      b_send_pcr = true;
1097     int64_t         i_pcr = 0;
1098     int             i;
1099
1100     /* Check if we need to send the server a Keep-A-Live signal */
1101     if( p_sys->b_timeout_call && p_sys->rtsp && p_sys->ms )
1102     {
1103         char *psz_bye = NULL;
1104         p_sys->rtsp->getMediaSessionParameter( *p_sys->ms, NULL, psz_bye );
1105         p_sys->b_timeout_call = false;
1106     }
1107
1108
1109     for( i = 0; i < p_sys->i_track; i++ )
1110     {
1111         live_track_t *tk = p_sys->track[i];
1112
1113         if( tk->b_asf || tk->b_muxed )
1114             b_send_pcr = false;
1115 #if 0
1116         if( i_pcr == 0 )
1117         {
1118             i_pcr = tk->i_pts;
1119         }
1120         else if( tk->i_pts != 0 && i_pcr > tk->i_pts )
1121         {
1122             i_pcr = tk->i_pts ;
1123         }
1124 #endif
1125     }
1126     if( p_sys->i_pcr > 0 )
1127     {
1128         if( b_send_pcr )
1129             es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_sys->i_pcr );
1130     }
1131
1132     /* First warn we want to read data */
1133     p_sys->event = 0;
1134     for( i = 0; i < p_sys->i_track; i++ )
1135     {
1136         live_track_t *tk = p_sys->track[i];
1137
1138         if( tk->waiting == 0 )
1139         {
1140             tk->waiting = 1;
1141             tk->sub->readSource()->getNextFrame( tk->p_buffer, tk->i_buffer,
1142                                           StreamRead, tk, StreamClose, tk );
1143         }
1144     }
1145     /* Create a task that will be called if we wait more than 300ms */
1146     task = p_sys->scheduler->scheduleDelayedTask( 300000, TaskInterrupt, p_demux );
1147
1148     /* Do the read */
1149     p_sys->scheduler->doEventLoop( &p_sys->event );
1150
1151     /* remove the task */
1152     p_sys->scheduler->unscheduleDelayedTask( task );
1153
1154     /* Check for gap in pts value */
1155     for( i = 0; i < p_sys->i_track; i++ )
1156     {
1157         live_track_t *tk = p_sys->track[i];
1158
1159         if( !tk->b_muxed && !tk->b_rtcp_sync &&
1160             tk->sub->rtpSource() && tk->sub->rtpSource()->hasBeenSynchronizedUsingRTCP() )
1161         {
1162             msg_Dbg( p_demux, "tk->rtpSource->hasBeenSynchronizedUsingRTCP()" );
1163
1164             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
1165             tk->b_rtcp_sync = true;
1166             /* reset PCR */
1167             tk->i_pts = 0;
1168             p_sys->i_pcr = 0;
1169             i_pcr = 0;
1170         }
1171     }
1172
1173     if( p_sys->b_multicast && p_sys->b_no_data &&
1174         ( p_sys->i_no_data_ti > 120 ) )
1175     {
1176         /* FIXME Make this configurable
1177         msg_Err( p_demux, "no multicast data received in 36s, aborting" );
1178         return 0;
1179         */
1180     }
1181     else if( !p_sys->b_multicast && p_sys->b_no_data &&
1182              ( p_sys->i_no_data_ti > 34 ) )
1183     {
1184         bool b_rtsp_tcp = var_GetBool( p_demux, "rtsp-tcp" ) ||
1185                                 var_GetBool( p_demux, "rtsp-http" );
1186
1187         if( !b_rtsp_tcp && p_sys->rtsp && p_sys->ms )
1188         {
1189             msg_Warn( p_demux, "no data received in 10s. Switching to TCP" );
1190             if( RollOverTcp( p_demux ) )
1191             {
1192                 msg_Err( p_demux, "TCP rollover failed, aborting" );
1193                 return 0;
1194             }
1195         }
1196         else if( p_sys->i_no_data_ti > 34 )
1197         {
1198             msg_Err( p_demux, "no data received in 10s, aborting" );
1199             return 0;
1200         }
1201     }
1202     else if( !p_sys->b_multicast && p_sys->b_no_data && p_sys->i_no_data_ti > 34 )
1203     {
1204         /* EOF ? */
1205         msg_Warn( p_demux, "no data received in 10s, eof ?" );
1206         return 0;
1207     }
1208     return p_demux->b_error ? 0 : 1;
1209 }
1210
1211 /*****************************************************************************
1212  * Control:
1213  *****************************************************************************/
1214 static int Control( demux_t *p_demux, int i_query, va_list args )
1215 {
1216     demux_sys_t *p_sys = p_demux->p_sys;
1217     int64_t *pi64;
1218     double  *pf, f;
1219     bool *pb, *pb2, b_bool;
1220     int *pi_int;
1221
1222     switch( i_query )
1223     {
1224         case DEMUX_GET_TIME:
1225             pi64 = (int64_t*)va_arg( args, int64_t * );
1226             if( p_sys->i_npt > 0 )
1227             {
1228                 *pi64 = p_sys->i_npt;
1229                 return VLC_SUCCESS;
1230             }
1231             return VLC_EGENERIC;
1232
1233         case DEMUX_GET_LENGTH:
1234             pi64 = (int64_t*)va_arg( args, int64_t * );
1235             if( p_sys->i_npt_length > 0 )
1236             {
1237                 *pi64 = p_sys->i_npt_length;
1238                 return VLC_SUCCESS;
1239             }
1240             return VLC_EGENERIC;
1241
1242         case DEMUX_GET_POSITION:
1243             pf = (double*)va_arg( args, double* );
1244             if( p_sys->i_npt_length > 0 && p_sys->i_npt > 0 )
1245             {
1246                 *pf = (double)p_sys->i_npt / (double)p_sys->i_npt_length;
1247                 return VLC_SUCCESS;
1248             }
1249             return VLC_EGENERIC;
1250
1251         case DEMUX_SET_POSITION:
1252         {
1253             float time;
1254
1255             f = (double)va_arg( args, double );
1256             if( p_sys->rtsp && p_sys->i_npt_length > 0 )
1257             {
1258                 int i;
1259                 time = f * (double)p_sys->i_npt_length / (double)1000000.0;   /* in second */
1260                 if( !p_sys->rtsp->playMediaSession( *p_sys->ms, time, -1, 1 ) )
1261                 {
1262                     msg_Err( p_demux, "PLAY failed %s",
1263                         p_sys->env->getResultMsg() );
1264                     return VLC_EGENERIC;
1265                 }
1266                 es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
1267                 p_sys->i_pcr = 0;
1268 #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 1195257600)
1269                 /* Retrieve RTP-Info values */
1270                 for( i = 0; i < p_sys->i_track; i++ )
1271                 {
1272                     //if( !p_sys->track[i]->b_rtcp_sync )
1273                     p_sys->track[i]->b_rtcp_sync = false;
1274                     p_sys->track[i]->i_pts = (int64_t) ( p_sys->track[i]->sub->rtpInfo.timestamp * (double)1000000.0 );
1275                     p_sys->track[i]->i_start_seq = p_sys->track[i]->sub->rtpInfo.seqNum;
1276                     msg_Info( p_demux, "set pos startseq: %u", p_sys->track[i]->i_start_seq );
1277                 }
1278 #endif
1279 #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 1199404800)
1280                 /* Retrieve the starttime if possible */
1281                 p_sys->i_npt_start = (int64_t)( p_sys->ms->playStartTime() * (double)1000000.0 );
1282 #else
1283                 p_sys->i_npt_start = -1;
1284 #endif
1285                 if( p_sys->i_npt_start < 0 )
1286                 {
1287                     p_sys->i_npt_start = -1;
1288                     p_sys->i_npt = 0;
1289                 }
1290                 else
1291                     p_sys->i_npt = p_sys->i_npt_start;
1292
1293 #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 1199404800)
1294                 /* Retrieve the duration if possible */
1295                 p_sys->i_npt_length = (int64_t)( p_sys->ms->playEndTime() * (double)1000000.0 );
1296 #else
1297                 p_sys->i_npt_length = -1;
1298 #endif
1299                 if( p_sys->i_npt_length < 0 )
1300                     p_sys->i_npt_length = -1;
1301
1302                 msg_Dbg( p_demux, "seek start: %lld stop:%lld", p_sys->i_npt_start, p_sys->i_npt_length );
1303                 return VLC_SUCCESS;
1304             }
1305             return VLC_EGENERIC;
1306         }
1307         /* Special for access_demux */
1308         case DEMUX_CAN_PAUSE:
1309         case DEMUX_CAN_SEEK:
1310             pb = (bool*)va_arg( args, bool * );
1311             if( p_sys->rtsp && p_sys->i_npt_length )
1312                 /* Not always true, but will be handled in SET_PAUSE_STATE */
1313                 *pb = true;
1314             else
1315                 *pb = false;
1316             return VLC_SUCCESS;
1317
1318         case DEMUX_CAN_CONTROL_PACE:
1319             pb = (bool*)va_arg( args, bool * );
1320
1321 #if 1       /* Disable for now until we have a clock synchro algo
1322              * which works with something else than MPEG over UDP */
1323             *pb = false;
1324 #else
1325             *pb = true;
1326 #endif
1327             return VLC_SUCCESS;
1328
1329 #if 0
1330         case DEMUX_CAN_CONTROL_RATE:
1331             pb = (bool*)va_arg( args, bool * );
1332             pb2 = (bool*)va_arg( args, bool * );
1333
1334             *pb = p_sys->rtsp != NULL && p_sys->i_npt_length > 0 && !var_GetBool( p_demux, "rtsp-kasenna" );
1335             *pb2 = false;
1336             return VLC_SUCCESS;
1337
1338         case DEMUX_SET_RATE:
1339         {
1340             double f_scale;
1341
1342             if( !p_sys->rtsp || p_sys->i_npt_length <= 0 || var_GetBool( p_demux, "rtsp-kasenna" ) )
1343                 return VLC_EGENERIC;
1344
1345             /* TODO we might want to ensure that the new rate is different from
1346              * old rate after playMediaSession...
1347              * I have no idea how the server map the requested rate to the
1348              * ones it supports.
1349              * ex:
1350              *  current is x2 we request x1.5 if the server return x2 we will
1351              *  never succeed to return to x1.
1352              *  In this case we should retry with a lower rate until we have
1353              *  one (even x1).
1354              */
1355
1356             pi_int = (int*)va_arg( args, int * );
1357             f_scale = (double)INPUT_RATE_DEFAULT / (*p_int);
1358
1359             /* Passing -1 for the start and end time will mean liveMedia won't
1360             * create a Range: section for the RTSP message. The server should
1361             * pick up from the current position */
1362             if( !p_sys->rtsp->playMediaSession( *p_sys->ms, -1, -1, f_scale ) )
1363             {
1364                 msg_Err( p_demux, "PLAY with Scale %0.2f failed %s", f_scale,
1365                         p_sys->env->getResultMsg() );
1366                 return VLC_EGENERIC;
1367             }
1368             /* ReSync the stream */
1369             p_sys->i_npt_start = 0;
1370             p_sys->i_pcr = 0;
1371             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
1372
1373             *pi_int = (int)( INPUT_RATE_DEFAULT / p_sys->ms->scale() + 0.5 );
1374             return VLC_SUCCESS;
1375         }
1376 #endif
1377
1378         case DEMUX_SET_PAUSE_STATE:
1379         {
1380             double d_npt = (double) p_sys->i_npt / I64C(1000000);
1381             int i;
1382
1383             b_bool = (bool)va_arg( args, int );
1384             if( p_sys->rtsp == NULL )
1385                 return VLC_EGENERIC;
1386
1387             /* FIXME */
1388             if( ( b_bool && !p_sys->rtsp->pauseMediaSession( *p_sys->ms ) ) ||
1389                     ( !b_bool && !p_sys->rtsp->playMediaSession( *p_sys->ms,
1390                       d_npt > 0 ? d_npt : -1 ) ) )
1391             {
1392                     msg_Err( p_demux, "PLAY or PAUSE failed %s", p_sys->env->getResultMsg() );
1393                     return VLC_EGENERIC;
1394             }
1395
1396             /* When we Pause, we'll need the TimeoutPrevention thread to
1397              * handle sending the "Keep Alive" message to the server.
1398              * Unfortunately Live555 isn't thread safe and so can't
1399              * do this normally while the main Demux thread is handling
1400              * a live stream. We end up with the Timeout thread blocking
1401              * waiting for a response from the server. So when we PAUSE
1402              * we set a flag that the TimeoutPrevention function will check
1403              * and if it's set, it will trigger the GET_PARAMETER message */
1404             if( b_bool && p_sys->p_timeout != NULL )
1405                 p_sys->p_timeout->b_handle_keep_alive = true;
1406             else if( !b_bool && p_sys->p_timeout != NULL )
1407                 p_sys->p_timeout->b_handle_keep_alive = false;
1408
1409             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
1410             p_sys->i_pcr = 0;
1411 #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 1195257600)
1412             for( i = 0; i < p_sys->i_track; i++ )
1413             {
1414                 if( !p_sys->track[i]->b_rtcp_sync )
1415                     p_sys->track[i]->i_pts = 0; // (int64_t) ( p_sys->track[i]->sub->rtpInfo.timestamp * (double)1000000.0 );
1416                 p_sys->track[i]->i_start_seq = p_sys->track[i]->sub->rtpInfo.seqNum;
1417                 msg_Info( p_demux, "set pause startseq: %u", p_sys->track[i]->i_start_seq );
1418             }
1419 #endif
1420 #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 1199404800)
1421             /* Retrieve the starttime if possible */
1422             p_sys->i_npt_start = (int64_t)( p_sys->ms->playStartTime() * (double)1000000.0 );
1423 #else
1424             p_sys->i_npt_start = -1;
1425 #endif
1426             if( p_sys->i_npt_start < 0 )
1427             {
1428                 p_sys->i_npt_start = -1;
1429                 p_sys->i_npt = 0;
1430             }
1431             else
1432                 p_sys->i_npt = p_sys->i_npt_start;
1433
1434 #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 1199404800)
1435             /* Retrieve the duration if possible */
1436             p_sys->i_npt_length = (int64_t)( p_sys->ms->playEndTime() * (double)1000000.0 );
1437 #else
1438             p_sys->i_npt_length = -1;
1439 #endif
1440             if( p_sys->i_npt_length < 0 )
1441                 p_sys->i_npt_length = -1;
1442
1443             msg_Dbg( p_demux, "pause start: %lld stop:%lld", p_sys->i_npt_start, p_sys->i_npt_length );
1444             return VLC_SUCCESS;
1445         }
1446         case DEMUX_GET_TITLE_INFO:
1447         case DEMUX_SET_TITLE:
1448         case DEMUX_SET_SEEKPOINT:
1449             return VLC_EGENERIC;
1450
1451         case DEMUX_GET_PTS_DELAY:
1452             pi64 = (int64_t*)va_arg( args, int64_t * );
1453             *pi64 = (int64_t)var_GetInteger( p_demux, "rtsp-caching" ) * 1000;
1454             return VLC_SUCCESS;
1455
1456         default:
1457             return VLC_EGENERIC;
1458     }
1459 }
1460
1461 /*****************************************************************************
1462  * RollOverTcp: reopen the rtsp into TCP mode
1463  * XXX: ugly, a lot of code are duplicated from Open()
1464  * This should REALLY be fixed
1465  *****************************************************************************/
1466 static int RollOverTcp( demux_t *p_demux )
1467 {
1468     demux_sys_t *p_sys = p_demux->p_sys;
1469     int i, i_return;
1470
1471     var_SetBool( p_demux, "rtsp-tcp", true );
1472
1473     /* We close the old RTSP session */
1474     for( i = 0; i < p_sys->i_track; i++ )
1475     {
1476         live_track_t *tk = p_sys->track[i];
1477
1478         if( tk->b_muxed ) stream_DemuxDelete( tk->p_out_muxed );
1479         free( tk->p_buffer );
1480         free( tk );
1481     }
1482     if( p_sys->i_track ) free( p_sys->track );
1483     if( p_sys->p_out_asf ) stream_DemuxDelete( p_sys->p_out_asf );
1484
1485     p_sys->rtsp->teardownMediaSession( *p_sys->ms );
1486     Medium::close( p_sys->ms );
1487     RTSPClient::close( p_sys->rtsp );
1488
1489     p_sys->ms = NULL;
1490     p_sys->rtsp = NULL;
1491     p_sys->track = NULL;
1492     p_sys->i_track = 0;
1493
1494     /* Reopen rtsp client */
1495     if( ( p_demux->s != NULL ) &&
1496         ( i_return = Connect( p_demux ) ) != VLC_SUCCESS )
1497     {
1498         msg_Err( p_demux, "Failed to connect with rtsp://%s",
1499                  p_sys->psz_path );
1500         goto error;
1501     }
1502
1503     if( p_sys->p_sdp == NULL )
1504     {
1505         msg_Err( p_demux, "Failed to retrieve the RTSP Session Description" );
1506         goto error;
1507     }
1508
1509     if( ( i_return = SessionsSetup( p_demux ) ) != VLC_SUCCESS )
1510     {
1511         msg_Err( p_demux, "Nothing to play for rtsp://%s", p_sys->psz_path );
1512         goto error;
1513     }
1514
1515     if( ( i_return = Play( p_demux ) ) != VLC_SUCCESS )
1516         goto error;
1517
1518     return VLC_SUCCESS;
1519
1520 error:
1521     return VLC_EGENERIC;
1522 }
1523
1524
1525 /*****************************************************************************
1526  *
1527  *****************************************************************************/
1528 static void StreamRead( void *p_private, unsigned int i_size,
1529                         unsigned int i_truncated_bytes, struct timeval pts,
1530                         unsigned int duration )
1531 {
1532     live_track_t   *tk = (live_track_t*)p_private;
1533     demux_t        *p_demux = tk->p_demux;
1534     demux_sys_t    *p_sys = p_demux->p_sys;
1535     block_t        *p_block;
1536
1537     //msg_Dbg( p_demux, "pts: %d", pts.tv_sec );
1538
1539     int64_t i_pts = (uint64_t)pts.tv_sec * UI64C(1000000) +
1540         (uint64_t)pts.tv_usec;
1541
1542     /* XXX Beurk beurk beurk Avoid having negative value XXX */
1543     i_pts &= UI64C(0x00ffffffffffffff);
1544
1545     if( tk->b_quicktime && tk->p_es == NULL )
1546     {
1547         QuickTimeGenericRTPSource *qtRTPSource =
1548             (QuickTimeGenericRTPSource*)tk->sub->rtpSource();
1549         QuickTimeGenericRTPSource::QTState &qtState = qtRTPSource->qtState;
1550         uint8_t *sdAtom = (uint8_t*)&qtState.sdAtom[4];
1551
1552         if( tk->fmt.i_cat == VIDEO_ES ) {
1553             if( qtState.sdAtomSize < 16 + 32 )
1554             {
1555                 /* invalid */
1556                 p_sys->event = 0xff;
1557                 tk->waiting = 0;
1558                 return;
1559             }
1560             tk->fmt.i_codec = VLC_FOURCC(sdAtom[0],sdAtom[1],sdAtom[2],sdAtom[3]);
1561             tk->fmt.video.i_width  = (sdAtom[28] << 8) | sdAtom[29];
1562             tk->fmt.video.i_height = (sdAtom[30] << 8) | sdAtom[31];
1563
1564             if( tk->fmt.i_codec == VLC_FOURCC('a', 'v', 'c', '1') )
1565             {
1566                 uint8_t *pos = (uint8_t*)qtRTPSource->qtState.sdAtom + 86;
1567                 uint8_t *endpos = (uint8_t*)qtRTPSource->qtState.sdAtom
1568                                   + qtRTPSource->qtState.sdAtomSize;
1569                 while (pos+8 < endpos) {
1570                     unsigned int atomLength = pos[0]<<24 | pos[1]<<16 | pos[2]<<8 | pos[3];
1571                     if( atomLength == 0 || atomLength > (unsigned int)(endpos-pos)) break;
1572                     if( memcmp(pos+4, "avcC", 4) == 0 &&
1573                         atomLength > 8 &&
1574                         atomLength <= INT_MAX )
1575                     {
1576                         tk->fmt.i_extra = atomLength-8;
1577                         tk->fmt.p_extra = malloc( tk->fmt.i_extra );
1578                         memcpy(tk->fmt.p_extra, pos+8, atomLength-8);
1579                         break;
1580                     }
1581                     pos += atomLength;
1582                 }
1583             }
1584             else
1585             {
1586                 tk->fmt.i_extra        = qtState.sdAtomSize - 16;
1587                 tk->fmt.p_extra        = malloc( tk->fmt.i_extra );
1588                 memcpy( tk->fmt.p_extra, &sdAtom[12], tk->fmt.i_extra );
1589             }
1590         }
1591         else {
1592             if( qtState.sdAtomSize < 4 )
1593             {
1594                 /* invalid */
1595                 p_sys->event = 0xff;
1596                 tk->waiting = 0;
1597                 return;
1598             }
1599             tk->fmt.i_codec = VLC_FOURCC(sdAtom[0],sdAtom[1],sdAtom[2],sdAtom[3]);
1600         }
1601         tk->p_es = es_out_Add( p_demux->out, &tk->fmt );
1602     }
1603
1604 #if 0
1605     fprintf( stderr, "StreamRead size=%d pts=%lld\n",
1606              i_size,
1607              pts.tv_sec * 1000000LL + pts.tv_usec );
1608 #endif
1609
1610     /* grow buffer if it looks like buffer is too small, but don't eat
1611      * up all the memory on strange streams */
1612     if( i_truncated_bytes > 0 && tk->i_buffer < 2000000 )
1613     {
1614         void *p_tmp;
1615         msg_Dbg( p_demux, "lost %d bytes", i_truncated_bytes );
1616         msg_Dbg( p_demux, "increasing buffer size to %d", tk->i_buffer * 2 );
1617         tk->i_buffer *= 2;
1618         p_tmp = realloc( tk->p_buffer, tk->i_buffer );
1619         if( p_tmp == NULL )
1620         {
1621             msg_Warn( p_demux, "realloc failed" );
1622         }
1623         else
1624         {
1625             tk->p_buffer = (uint8_t*)p_tmp;
1626         }
1627     }
1628     if( i_size > tk->i_buffer )
1629     {
1630         msg_Warn( p_demux, "buffer overflow" );
1631     }
1632     /* FIXME could i_size be > buffer size ? */
1633     if( tk->fmt.i_codec == VLC_FOURCC('s','a','m','r') ||
1634         tk->fmt.i_codec == VLC_FOURCC('s','a','w','b') )
1635     {
1636         AMRAudioSource *amrSource = (AMRAudioSource*)tk->sub->readSource();
1637
1638         p_block = block_New( p_demux, i_size + 1 );
1639         p_block->p_buffer[0] = amrSource->lastFrameHeader();
1640         memcpy( p_block->p_buffer + 1, tk->p_buffer, i_size );
1641     }
1642     else if( tk->fmt.i_codec == VLC_FOURCC('H','2','6','1') )
1643     {
1644 #if LIVEMEDIA_LIBRARY_VERSION_INT >= 1081468800
1645         H261VideoRTPSource *h261Source = (H261VideoRTPSource*)tk->sub->rtpSource();
1646         uint32_t header = h261Source->lastSpecialHeader();
1647 #else
1648         uint32_t header = 0;
1649         msg_Warn( p_demux, "need livemedia library >= \"2004.04.09\"" );
1650 #endif
1651         p_block = block_New( p_demux, i_size + 4 );
1652         memcpy( p_block->p_buffer, &header, 4 );
1653         memcpy( p_block->p_buffer + 4, tk->p_buffer, i_size );
1654
1655         if( tk->sub->rtpSource()->curPacketMarkerBit() )
1656             p_block->i_flags |= BLOCK_FLAG_END_OF_FRAME;
1657     }
1658     else if( tk->fmt.i_codec == VLC_FOURCC('h','2','6','4') )
1659     {
1660         if( (tk->p_buffer[0] & 0x1f) >= 24 )
1661             msg_Warn( p_demux, "unsupported NAL type for H264" );
1662
1663         /* Normal NAL type */
1664         p_block = block_New( p_demux, i_size + 4 );
1665         p_block->p_buffer[0] = 0x00;
1666         p_block->p_buffer[1] = 0x00;
1667         p_block->p_buffer[2] = 0x00;
1668         p_block->p_buffer[3] = 0x01;
1669         memcpy( &p_block->p_buffer[4], tk->p_buffer, i_size );
1670     }
1671     else if( tk->b_asf )
1672     {
1673         int i_copy = __MIN( p_sys->asfh.i_min_data_packet_size, (int)i_size );
1674         p_block = block_New( p_demux, p_sys->asfh.i_min_data_packet_size );
1675
1676         memcpy( p_block->p_buffer, tk->p_buffer, i_copy );
1677     }
1678     else
1679     {
1680         p_block = block_New( p_demux, i_size );
1681         memcpy( p_block->p_buffer, tk->p_buffer, i_size );
1682     }
1683
1684     /* Update NPT */
1685     //msg_Dbg( p_demux, "current %d, start_seq %u", (int)tk->sub->rtpSource()->curPacketRTPSeqNum(), tk->i_start_seq );
1686     if( (tk->fmt.i_cat == VIDEO_ES) && (p_sys->i_pcr < i_pts) &&
1687         (i_pts > 0) && (p_sys->i_pcr > 0) )
1688     {
1689         p_sys->i_npt += __MAX( 0, i_pts - p_sys->i_pcr );
1690         p_sys->i_pcr = i_pts;
1691         //msg_Dbg( p_demux, "npt update" );
1692     }
1693     else if( /*tk->fmt.i_cat == VIDEO_ES &&*/ p_sys->i_pcr < i_pts )
1694     {
1695         p_sys->i_pcr = i_pts;
1696     }
1697     //msg_Dbg( p_demux, "npt %lld", p_sys->i_npt );
1698
1699     if( (i_pts != tk->i_pts) && (!tk->b_muxed) )
1700     {
1701         p_block->i_pts = i_pts;
1702     }
1703     if( !tk->b_muxed )
1704     {
1705         /*FIXME: for h264 you should check that packetization-mode=1 in sdp-file */
1706         p_block->i_dts = ( tk->fmt.i_codec == VLC_FOURCC( 'm', 'p', 'g', 'v' ) ) ? 0 : i_pts;
1707     }
1708
1709     if( tk->b_muxed )
1710     {
1711         stream_DemuxSend( tk->p_out_muxed, p_block );
1712     }
1713     else if( tk->b_asf )
1714     {
1715         stream_DemuxSend( p_sys->p_out_asf, p_block );
1716     }
1717     else
1718     {
1719         es_out_Send( p_demux->out, tk->p_es, p_block );
1720     }
1721
1722     /* warn that's ok */
1723     p_sys->event = 0xff;
1724
1725     /* we have read data */
1726     tk->waiting = 0;
1727     p_demux->p_sys->b_no_data = false;
1728     p_demux->p_sys->i_no_data_ti = 0;
1729
1730     if( i_pts > 0 && !tk->b_muxed )
1731     {
1732         tk->i_pts = i_pts;
1733     }
1734 }
1735
1736 /*****************************************************************************
1737  *
1738  *****************************************************************************/
1739 static void StreamClose( void *p_private )
1740 {
1741     live_track_t   *tk = (live_track_t*)p_private;
1742     demux_t        *p_demux = tk->p_demux;
1743     demux_sys_t    *p_sys = p_demux->p_sys;
1744
1745     msg_Dbg( p_demux, "StreamClose" );
1746
1747     p_sys->event = 0xff;
1748     p_demux->b_error = true;
1749 }
1750
1751
1752 /*****************************************************************************
1753  *
1754  *****************************************************************************/
1755 static void TaskInterrupt( void *p_private )
1756 {
1757     demux_t *p_demux = (demux_t*)p_private;
1758
1759     p_demux->p_sys->i_no_data_ti++;
1760
1761     /* Avoid lock */
1762     p_demux->p_sys->event = 0xff;
1763 }
1764
1765 /*****************************************************************************
1766  *
1767  *****************************************************************************/
1768 static void TimeoutPrevention( timeout_thread_t *p_timeout )
1769 {
1770     p_timeout->b_die = false;
1771     p_timeout->i_remain = (int64_t)p_timeout->p_sys->i_timeout -2;
1772     p_timeout->i_remain *= 1000000;
1773
1774     vlc_thread_ready( p_timeout );
1775
1776     /* Avoid lock */
1777     while( !p_timeout->b_die )
1778     {
1779         if( p_timeout->i_remain <= 0 )
1780         {
1781             char *psz_bye = NULL;
1782             p_timeout->i_remain = (int64_t)p_timeout->p_sys->i_timeout -2;
1783             p_timeout->i_remain *= 1000000;
1784             msg_Dbg( p_timeout, "reset the timeout timer" );
1785             if( p_timeout->b_handle_keep_alive == true )
1786             {
1787 #if LIVEMEDIA_LIBRARY_VERSION_INT >= 1138089600
1788                 p_timeout->p_sys->rtsp->getMediaSessionParameter( *p_timeout->p_sys->ms, NULL, psz_bye );
1789 #endif
1790                 p_timeout->p_sys->b_timeout_call = false;
1791             }
1792             else
1793             {
1794                 p_timeout->p_sys->b_timeout_call = true;
1795             }
1796         }
1797         p_timeout->i_remain -= 200000;
1798         msleep( 200000 ); /* 200 ms */
1799     }
1800 }
1801
1802 /*****************************************************************************
1803  *
1804  *****************************************************************************/
1805 static int b64_decode( char *dest, char *src );
1806
1807 static int ParseASF( demux_t *p_demux )
1808 {
1809     demux_sys_t    *p_sys = p_demux->p_sys;
1810
1811     const char *psz_marker = "a=pgmpu:data:application/vnd.ms.wms-hdr.asfv1;base64,";
1812     char *psz_asf = strcasestr( p_sys->p_sdp, psz_marker );
1813     char *psz_end;
1814     block_t *p_header;
1815
1816     /* Parse the asf header */
1817     if( psz_asf == NULL )
1818         return VLC_EGENERIC;
1819
1820     psz_asf += strlen( psz_marker );
1821     psz_asf = strdup( psz_asf );    /* Duplicate it */
1822     psz_end = strchr( psz_asf, '\n' );
1823
1824     while( psz_end > psz_asf && ( *psz_end == '\n' || *psz_end == '\r' ) )
1825         *psz_end-- = '\0';
1826
1827     if( psz_asf >= psz_end )
1828     {
1829         free( psz_asf );
1830         return VLC_EGENERIC;
1831     }
1832
1833     /* Always smaller */
1834     p_header = block_New( p_demux, psz_end - psz_asf );
1835     p_header->i_buffer = b64_decode( (char*)p_header->p_buffer, psz_asf );
1836     //msg_Dbg( p_demux, "Size=%d Hdrb64=%s", p_header->i_buffer, psz_asf );
1837     if( p_header->i_buffer <= 0 )
1838     {
1839         free( psz_asf );
1840         return VLC_EGENERIC;
1841     }
1842
1843     /* Parse it to get packet size */
1844     E_(asf_HeaderParse)( &p_sys->asfh, p_header->p_buffer, p_header->i_buffer );
1845
1846     /* Send it to demuxer */
1847     stream_DemuxSend( p_sys->p_out_asf, p_header );
1848
1849     free( psz_asf );
1850     return VLC_SUCCESS;
1851 }
1852
1853
1854 static unsigned char* parseH264ConfigStr( char const* configStr,
1855                                           unsigned int& configSize )
1856 {
1857     char *dup, *psz;
1858     int i, i_records = 1;
1859
1860     if( configSize )
1861     configSize = 0;
1862
1863     if( configStr == NULL || *configStr == '\0' )
1864         return NULL;
1865
1866     psz = dup = strdup( configStr );
1867
1868     /* Count the number of comma's */
1869     for( psz = dup; *psz != '\0'; ++psz )
1870     {
1871         if( *psz == ',')
1872         {
1873             ++i_records;
1874             *psz = '\0';
1875         }
1876     }
1877
1878     unsigned char *cfg = new unsigned char[5 * strlen(dup)];
1879     psz = dup;
1880     for( i = 0; i < i_records; i++ )
1881     {
1882         cfg[configSize++] = 0x00;
1883         cfg[configSize++] = 0x00;
1884         cfg[configSize++] = 0x00;
1885         cfg[configSize++] = 0x01;
1886
1887         configSize += b64_decode( (char*)&cfg[configSize], psz );
1888         psz += strlen(psz)+1;
1889     }
1890
1891     free( dup );
1892     return cfg;
1893 }
1894
1895 /*char b64[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";*/
1896 static int b64_decode( char *dest, char *src )
1897 {
1898     const char *dest_start = dest;
1899     int  i_level;
1900     int  last = 0;
1901     int  b64[256] = {
1902         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* 00-0F */
1903         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* 10-1F */
1904         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,62,-1,-1,-1,63,  /* 20-2F */
1905         52,53,54,55,56,57,58,59,60,61,-1,-1,-1,-1,-1,-1,  /* 30-3F */
1906         -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10,11,12,13,14,  /* 40-4F */
1907         15,16,17,18,19,20,21,22,23,24,25,-1,-1,-1,-1,-1,  /* 50-5F */
1908         -1,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,  /* 60-6F */
1909         41,42,43,44,45,46,47,48,49,50,51,-1,-1,-1,-1,-1,  /* 70-7F */
1910         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* 80-8F */
1911         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* 90-9F */
1912         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* A0-AF */
1913         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* B0-BF */
1914         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* C0-CF */
1915         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* D0-DF */
1916         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* E0-EF */
1917         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1   /* F0-FF */
1918         };
1919
1920     for( i_level = 0; *src != '\0'; src++ )
1921     {
1922         int  c;
1923
1924         c = b64[(unsigned int)*src];
1925         if( c == -1 )
1926         {
1927             continue;
1928         }
1929
1930         switch( i_level )
1931         {
1932             case 0:
1933                 i_level++;
1934                 break;
1935             case 1:
1936                 *dest++ = ( last << 2 ) | ( ( c >> 4)&0x03 );
1937                 i_level++;
1938                 break;
1939             case 2:
1940                 *dest++ = ( ( last << 4 )&0xf0 ) | ( ( c >> 2 )&0x0f );
1941                 i_level++;
1942                 break;
1943             case 3:
1944                 *dest++ = ( ( last &0x03 ) << 6 ) | c;
1945                 i_level = 0;
1946         }
1947         last = c;
1948     }
1949
1950     *dest = '\0';
1951
1952     return dest - dest_start;
1953 }