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     char *psz_user    = NULL;
 462     char *psz_pwd     = NULL;
 463     char *psz_url     = NULL;
 464     char *psz_options = NULL;
 465     char *p_sdp       = NULL;
 466     int  i_http_port  = 0;
 467     int  i_ret        = VLC_SUCCESS;
 468     int i_lefttries;
 469
 470     if( p_sys->url.i_port == 0 ) p_sys->url.i_port = 554;
 471     if( p_sys->url.psz_username || p_sys->url.psz_password )
 472     {
 473         int err;
 474         err = asprintf( &psz_url, "rtsp://%s:%d%s", p_sys->url.psz_host,
 475                         p_sys->url.i_port, p_sys->url.psz_path );
 476         if( err == -1 ) return VLC_ENOMEM;
 477
 478         psz_user = strdup( p_sys->url.psz_username );
 479         psz_pwd  = strdup( p_sys->url.psz_password );
 480     }
 481     else
 482     {
 483         int err;
 484         err = asprintf( &psz_url, "rtsp://%s", p_sys->psz_path );
 485         if( err == -1 ) return VLC_ENOMEM;
 486
 487         psz_user = var_CreateGetString( p_demux, "rtsp-user" );
 488         psz_pwd  = var_CreateGetString( p_demux, "rtsp-pwd" );
 489     }
 490
 491     i_lefttries = 3;
 492 createnew:
 493     i_lefttries--;
 494     if( p_demux->b_die || p_demux->b_error )
 495     {
 496         free( psz_user );
 497         free( psz_pwd );
 498         free( psz_url );
 499         return VLC_EGENERIC;
 500     }
 501
 502     if( var_CreateGetBool( p_demux, "rtsp-http" ) )
 503         i_http_port = var_CreateGetInteger( p_demux, "rtsp-http-port" );
 504
 505     if( ( p_sys->rtsp = RTSPClient::createNew( *p_sys->env,
 506           p_demux->p_libvlc->i_verbose > 1,
 507           "VLC media player", i_http_port ) ) == NULL )
 508     {
 509         msg_Err( p_demux, "RTSPClient::createNew failed (%s)",
 510                  p_sys->env->getResultMsg() );
 511         free( psz_user );
 512         free( psz_pwd );
 513         free( psz_url );
 514         return VLC_EGENERIC;
 515     }
 516
 517     /* Kasenna enables KeepAlive by analysing the User-Agent string.
 518      * Appending _KA to the string should be enough to enable this feature,
 519      * however, there is a bug where the _KA doesn't get parsed from the
 520      * default User-Agent as created by VLC/Live555 code. This is probably due
 521      * to spaces in the string or the string being too long. Here we override
 522      * the default string with a more compact version.
 523      */
 524     if( var_CreateGetBool( p_demux, "rtsp-kasenna" ))
 525     {
 526 #if LIVEMEDIA_LIBRARY_VERSION_INT > 1130457500
 527         p_sys->rtsp->setUserAgentString( "VLC_MEDIA_PLAYER_KA" );
 528 #endif
 529     }
 530
 531 describe:
 532     authenticator.setUsernameAndPassword( (const char*)psz_user,
 533                                           (const char*)psz_pwd );
 534
 535     psz_options = p_sys->rtsp->sendOptionsCmd( psz_url, psz_user, psz_pwd,
 536                                                &authenticator );
 537     delete [] psz_options;
 538
 539     p_sdp = p_sys->rtsp->describeURL( psz_url, &authenticator,
 540                          var_GetBool( p_demux, "rtsp-kasenna" ) );
 541     if( p_sdp == NULL )
 542     {
 543         /* failure occurred */
 544         int i_code = 0;
 545         const char *psz_error = p_sys->env->getResultMsg();
 546
 547         if( var_GetBool( p_demux, "rtsp-http" ) )
 548             sscanf( psz_error, "%*s %*s HTTP GET %*s HTTP/%*u.%*u %3u %*s",
 549                     &i_code );
 550         else
 551         {
 552             const char *psz_tmp = strstr( psz_error, "RTSP" );
 553             if( psz_tmp )
 554                 sscanf( psz_tmp, "RTSP/%*s%3u", &i_code );
 555             else
 556                 i_code = 0;
 557         }
 558         msg_Dbg( p_demux, "DESCRIBE failed with %d: %s", i_code, psz_error );
 559
 560         if( b_firstpass )
 561         {   /* describeURL always returns an "RTSP/1.0 401 Unauthorized" the
 562              * first time. This is a workaround to avoid asking for a
 563              * user/passwd the first time the code passess here. */
 564             i_code = 0;
 565             b_firstpass = false;
 566         }
 567
 568         if( i_code == 401 )
 569         {
 570             int i_result;
 571             msg_Dbg( p_demux, "authentication failed" );
 572
 573             free( psz_user );
 574             free( psz_pwd );
 575             psz_user = psz_pwd = NULL;
 576
 577             i_result = intf_UserLoginPassword( p_demux, _("RTSP authentication"),
 578                            _("Please enter a valid login name and a password."),
 579                                                    &psz_user, &psz_pwd );
 580             if( i_result == DIALOG_OK_YES )
 581             {
 582                 msg_Dbg( p_demux, "retrying with user=%s, pwd=%s",
 583                          psz_user, psz_pwd );
 584                 goto describe;
 585             }
 586         }
 587         else if( (i_code != 0) && !var_GetBool( p_demux, "rtsp-http" ) )
 588         {
 589             /* Perhaps a firewall is being annoying. Try HTTP tunneling mode */
 590             vlc_value_t val;
 591             val.b_bool = true;
 592             msg_Dbg( p_demux, "we will now try HTTP tunneling mode" );
 593             var_Set( p_demux, "rtsp-http", val );
 594             if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp );
 595             p_sys->rtsp = NULL;
 596             goto createnew;
 597         }
 598         else
 599         {
 600             msg_Dbg( p_demux, "connection timeout, retrying" );
 601             if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp );
 602             p_sys->rtsp = NULL;
 603             if( i_lefttries > 0 )
 604                 goto createnew;
 605         }
 606         i_ret = VLC_EGENERIC;
 607     }
 608
 609     /* malloc-ated copy */
 610     free( psz_url );
 611     free( psz_user );
 612     free( psz_pwd );
 613
 614     free( p_sys->p_sdp );
 615     p_sys->p_sdp = NULL;
 616     if( p_sdp ) p_sys->p_sdp = strdup( (char*)p_sdp );
 617     delete[] p_sdp;
 618
 619     return i_ret;
 620 }
 621
 622 /*****************************************************************************
 623  * SessionsSetup: prepares the subsessions and does the SETUP
 624  *****************************************************************************/
 625 static int SessionsSetup( demux_t *p_demux )
 626 {
 627     demux_sys_t             *p_sys  = p_demux->p_sys;
 628     MediaSubsessionIterator *iter   = NULL;
 629     MediaSubsession         *sub    = NULL;
 630
 631     bool     b_rtsp_tcp = false;
 632     int            i_client_port;
 633     int            i_return = VLC_SUCCESS;
 634     unsigned int   i_buffer = 0;
 635     unsigned const thresh = 200000; /* RTP reorder threshold .2 second (default .1) */
 636
 637     b_rtsp_tcp    = var_CreateGetBool( p_demux, "rtsp-tcp" ) ||
 638                     var_GetBool( p_demux, "rtsp-http" );
 639     i_client_port = var_CreateGetInteger( p_demux, "rtp-client-port" );
 640
 641     /* Create the session from the SDP */
 642     if( !( p_sys->ms = MediaSession::createNew( *p_sys->env, p_sys->p_sdp ) ) )
 643     {
 644         msg_Err( p_demux, "Could not create the RTSP Session: %s",
 645             p_sys->env->getResultMsg() );
 646         return VLC_EGENERIC;
 647     }
 648
 649     /* Initialise each media subsession */
 650     iter = new MediaSubsessionIterator( *p_sys->ms );
 651     while( ( sub = iter->next() ) != NULL )
 652     {
 653         Boolean bInit;
 654         live_track_t *tk;
 655
 656         if( p_demux->b_die || p_demux->b_error )
 657         {
 658             delete iter;
 659             return VLC_EGENERIC;
 660         }
 661
 662         /* Value taken from mplayer */
 663         if( !strcmp( sub->mediumName(), "audio" ) )
 664             i_buffer = 100000;
 665         else if( !strcmp( sub->mediumName(), "video" ) )
 666             i_buffer = 2000000;
 667         else continue;
 668
 669         if( i_client_port != -1 )
 670         {
 671             sub->setClientPortNum( i_client_port );
 672             i_client_port += 2;
 673         }
 674
 675         if( strcasestr( sub->codecName(), "REAL" ) )
 676         {
 677             msg_Info( p_demux, "real codec detected, using real-RTSP instead" );
 678             p_sys->b_real = true; /* This is a problem, we'll handle it later */
 679             continue;
 680         }
 681
 682         if( !strcmp( sub->codecName(), "X-ASF-PF" ) )
 683             bInit = sub->initiate( 4 ); /* Constant ? */
 684         else
 685             bInit = sub->initiate();
 686
 687         if( !bInit )
 688         {
 689             msg_Warn( p_demux, "RTP subsession '%s/%s' failed (%s)",
 690                       sub->mediumName(), sub->codecName(),
 691                       p_sys->env->getResultMsg() );
 692         }
 693         else
 694         {
 695             if( sub->rtpSource() != NULL )
 696             {
 697                 int fd = sub->rtpSource()->RTPgs()->socketNum();
 698
 699                 /* Increase the buffer size */
 700                 if( i_buffer > 0 )
 701                     increaseReceiveBufferTo( *p_sys->env, fd, i_buffer );
 702
 703                 /* Increase the RTP reorder timebuffer just a bit */
 704                 sub->rtpSource()->setPacketReorderingThresholdTime(thresh);
 705             }
 706             msg_Dbg( p_demux, "RTP subsession '%s/%s'", sub->mediumName(),
 707                      sub->codecName() );
 708
 709             /* Issue the SETUP */
 710             if( p_sys->rtsp )
 711             {
 712                 if( !( p_sys->rtsp->setupMediaSubsession( *sub, False,
 713                                                    b_rtsp_tcp ? True : False ) ) )
 714                 {
 715                     /* if we get an unsupported transport error, toggle TCP use and try again */
 716                     if( !strstr(p_sys->env->getResultMsg(), "461 Unsupported Transport")
 717                      || !( p_sys->rtsp->setupMediaSubsession( *sub, False,
 718                                                    b_rtsp_tcp ? False : True ) ) )
 719                     {
 720                         msg_Err( p_demux, "SETUP of'%s/%s' failed %s", sub->mediumName(),
 721                                  sub->codecName(), p_sys->env->getResultMsg() );
 722                         continue;
 723                     }
 724                 }
 725             }
 726
 727             /* Check if we will receive data from this subsession for this track */
 728             if( sub->readSource() == NULL ) continue;
 729             if( !p_sys->b_multicast )
 730             {
 731                 /* Check, because we need diff. rollover behaviour for multicast */
 732                 p_sys->b_multicast = IsMulticastAddress( sub->connectionEndpointAddress() );
 733             }
 734
 735             tk = (live_track_t*)malloc( sizeof( live_track_t ) );
 736             if( !tk )
 737             {
 738                 delete iter;
 739                 return VLC_ENOMEM;
 740             }
 741             tk->p_demux     = p_demux;
 742             tk->sub         = sub;
 743             tk->p_es        = NULL;
 744             tk->b_quicktime = false;
 745             tk->b_asf       = false;
 746             tk->b_muxed     = false;
 747             tk->p_out_muxed = NULL;
 748             tk->waiting     = 0;
 749             tk->b_rtcp_sync = false;
 750             tk->i_pts       = 0;
 751             tk->i_buffer    = 65536;
 752             tk->p_buffer    = (uint8_t *)malloc( 65536 );
 753             if( !tk->p_buffer )
 754             {
 755                 delete iter;
 756                 return VLC_ENOMEM;
 757             }
 758
 759             /* Value taken from mplayer */
 760             if( !strcmp( sub->mediumName(), "audio" ) )
 761             {
 762                 es_format_Init( &tk->fmt, AUDIO_ES, VLC_FOURCC('u','n','d','f') );
 763                 tk->fmt.audio.i_channels = sub->numChannels();
 764                 tk->fmt.audio.i_rate = sub->rtpTimestampFrequency();
 765
 766                 if( !strcmp( sub->codecName(), "MPA" ) ||
 767                     !strcmp( sub->codecName(), "MPA-ROBUST" ) ||
 768                     !strcmp( sub->codecName(), "X-MP3-DRAFT-00" ) )
 769                 {
 770                     tk->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'a' );
 771                     tk->fmt.audio.i_rate = 0;
 772                 }
 773                 else if( !strcmp( sub->codecName(), "AC3" ) )
 774                 {
 775                     tk->fmt.i_codec = VLC_FOURCC( 'a', '5', '2', ' ' );
 776                     tk->fmt.audio.i_rate = 0;
 777                 }
 778                 else if( !strcmp( sub->codecName(), "L16" ) )
 779                 {
 780                     tk->fmt.i_codec = VLC_FOURCC( 't', 'w', 'o', 's' );
 781                     tk->fmt.audio.i_bitspersample = 16;
 782                 }
 783                 else if( !strcmp( sub->codecName(), "L8" ) )
 784                 {
 785                     tk->fmt.i_codec = VLC_FOURCC( 'a', 'r', 'a', 'w' );
 786                     tk->fmt.audio.i_bitspersample = 8;
 787                 }
 788                 else if( !strcmp( sub->codecName(), "PCMU" ) )
 789                 {
 790                     tk->fmt.i_codec = VLC_FOURCC( 'u', 'l', 'a', 'w' );
 791                 }
 792                 else if( !strcmp( sub->codecName(), "PCMA" ) )
 793                 {
 794                     tk->fmt.i_codec = VLC_FOURCC( 'a', 'l', 'a', 'w' );
 795                 }
 796                 else if( !strncmp( sub->codecName(), "G726", 4 ) )
 797                 {
 798                     tk->fmt.i_codec = VLC_FOURCC( 'g', '7', '2', '6' );
 799                     tk->fmt.audio.i_rate = 8000;
 800                     tk->fmt.audio.i_channels = 1;
 801                     if( !strcmp( sub->codecName()+5, "40" ) )
 802                         tk->fmt.i_bitrate = 40000;
 803                     else if( !strcmp( sub->codecName()+5, "32" ) )
 804                         tk->fmt.i_bitrate = 32000;
 805                     else if( !strcmp( sub->codecName()+5, "24" ) )
 806                         tk->fmt.i_bitrate = 24000;
 807                     else if( !strcmp( sub->codecName()+5, "16" ) )
 808                         tk->fmt.i_bitrate = 16000;
 809                 }
 810                 else if( !strcmp( sub->codecName(), "AMR" ) )
 811                 {
 812                     tk->fmt.i_codec = VLC_FOURCC( 's', 'a', 'm', 'r' );
 813                 }
 814                 else if( !strcmp( sub->codecName(), "AMR-WB" ) )
 815                 {
 816                     tk->fmt.i_codec = VLC_FOURCC( 's', 'a', 'w', 'b' );
 817                 }
 818                 else if( !strcmp( sub->codecName(), "MP4A-LATM" ) )
 819                 {
 820                     unsigned int i_extra;
 821                     uint8_t      *p_extra;
 822
 823                     tk->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'a' );
 824
 825                     if( ( p_extra = parseStreamMuxConfigStr( sub->fmtp_config(),
 826                                                              i_extra ) ) )
 827                     {
 828                         tk->fmt.i_extra = i_extra;
 829                         tk->fmt.p_extra = malloc( i_extra );
 830                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
 831                         delete[] p_extra;
 832                     }
 833                     /* Because the "faad" decoder does not handle the LATM data length field
 834                        at the start of each returned LATM frame, tell the RTP source to omit it. */
 835                     ((MPEG4LATMAudioRTPSource*)sub->rtpSource())->omitLATMDataLengthField();
 836                 }
 837                 else if( !strcmp( sub->codecName(), "MPEG4-GENERIC" ) )
 838                 {
 839                     unsigned int i_extra;
 840                     uint8_t      *p_extra;
 841
 842                     tk->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'a' );
 843
 844                     if( ( p_extra = parseGeneralConfigStr( sub->fmtp_config(),
 845                                                            i_extra ) ) )
 846                     {
 847                         tk->fmt.i_extra = i_extra;
 848                         tk->fmt.p_extra = malloc( i_extra );
 849                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
 850                         delete[] p_extra;
 851                     }
 852                 }
 853                 else if( !strcmp( sub->codecName(), "X-ASF-PF" ) )
 854                 {
 855                     tk->b_asf = true;
 856                     if( p_sys->p_out_asf == NULL )
 857                         p_sys->p_out_asf = stream_DemuxNew( p_demux, "asf",
 858                                                             p_demux->out );
 859                 }
 860                 else if( !strcmp( sub->codecName(), "X-QT" ) ||
 861                          !strcmp( sub->codecName(), "X-QUICKTIME" ) )
 862                 {
 863                     tk->b_quicktime = true;
 864                 }
 865                 else if( !strcmp( sub->codecName(), "SPEEX" ) )
 866                 {
 867                     tk->fmt.i_codec = VLC_FOURCC( 's', 'p', 'x', 'r' );
 868                     if ( sub->rtpTimestampFrequency() )
 869                         tk->fmt.audio.i_rate = sub->rtpTimestampFrequency();
 870                     else
 871                     {
 872                         msg_Warn( p_demux,"Using 8kHz as default sample rate." );
 873                         tk->fmt.audio.i_rate = 8000;
 874                     }
 875                 }
 876             }
 877             else if( !strcmp( sub->mediumName(), "video" ) )
 878             {
 879                 es_format_Init( &tk->fmt, VIDEO_ES, VLC_FOURCC('u','n','d','f') );
 880                 if( !strcmp( sub->codecName(), "MPV" ) )
 881                 {
 882                     tk->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'v' );
 883                 }
 884                 else if( !strcmp( sub->codecName(), "H263" ) ||
 885                          !strcmp( sub->codecName(), "H263-1998" ) ||
 886                          !strcmp( sub->codecName(), "H263-2000" ) )
 887                 {
 888                     tk->fmt.i_codec = VLC_FOURCC( 'H', '2', '6', '3' );
 889                 }
 890                 else if( !strcmp( sub->codecName(), "H261" ) )
 891                 {
 892                     tk->fmt.i_codec = VLC_FOURCC( 'H', '2', '6', '1' );
 893                 }
 894                 else if( !strcmp( sub->codecName(), "H264" ) )
 895                 {
 896                     unsigned int i_extra = 0;
 897                     uint8_t      *p_extra = NULL;
 898
 899                     tk->fmt.i_codec = VLC_FOURCC( 'h', '2', '6', '4' );
 900                     tk->fmt.b_packetized = false;
 901
 902                     if((p_extra=parseH264ConfigStr( sub->fmtp_spropparametersets(),
 903                                                     i_extra ) ) )
 904                     {
 905                         tk->fmt.i_extra = i_extra;
 906                         tk->fmt.p_extra = malloc( i_extra );
 907                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
 908
 909                         delete[] p_extra;
 910                     }
 911                 }
 912                 else if( !strcmp( sub->codecName(), "JPEG" ) )
 913                 {
 914                     tk->fmt.i_codec = VLC_FOURCC( 'M', 'J', 'P', 'G' );
 915                 }
 916                 else if( !strcmp( sub->codecName(), "MP4V-ES" ) )
 917                 {
 918                     unsigned int i_extra;
 919                     uint8_t      *p_extra;
 920
 921                     tk->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'v' );
 922
 923                     if( ( p_extra = parseGeneralConfigStr( sub->fmtp_config(),
 924                                                            i_extra ) ) )
 925                     {
 926                         tk->fmt.i_extra = i_extra;
 927                         tk->fmt.p_extra = malloc( i_extra );
 928                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
 929                         delete[] p_extra;
 930                     }
 931                 }
 932                 else if( !strcmp( sub->codecName(), "X-QT" ) ||
 933                          !strcmp( sub->codecName(), "X-QUICKTIME" ) ||
 934                          !strcmp( sub->codecName(), "X-QDM" ) ||
 935                          !strcmp( sub->codecName(), "X-SV3V-ES" )  ||
 936                          !strcmp( sub->codecName(), "X-SORENSONVIDEO" ) )
 937                 {
 938                     tk->b_quicktime = true;
 939                 }
 940                 else if( !strcmp( sub->codecName(), "MP2T" ) )
 941                 {
 942                     tk->b_muxed = true;
 943                     tk->p_out_muxed = stream_DemuxNew( p_demux, "ts", p_demux->out );
 944                 }
 945                 else if( !strcmp( sub->codecName(), "MP2P" ) ||
 946                          !strcmp( sub->codecName(), "MP1S" ) )
 947                 {
 948                     tk->b_muxed = true;
 949                     tk->p_out_muxed = stream_DemuxNew( p_demux, "ps",
 950                                                        p_demux->out );
 951                 }
 952                 else if( !strcmp( sub->codecName(), "X-ASF-PF" ) )
 953                 {
 954                     tk->b_asf = true;
 955                     if( p_sys->p_out_asf == NULL )
 956                         p_sys->p_out_asf = stream_DemuxNew( p_demux, "asf",
 957                                                             p_demux->out );;
 958                 }
 959             }
 960
 961             if( !tk->b_quicktime && !tk->b_muxed && !tk->b_asf )
 962             {
 963                 tk->p_es = es_out_Add( p_demux->out, &tk->fmt );
 964             }
 965
 966             if( sub->rtcpInstance() != NULL )
 967             {
 968                 sub->rtcpInstance()->setByeHandler( StreamClose, tk );
 969             }
 970
 971             if( tk->p_es || tk->b_quicktime || tk->b_muxed || tk->b_asf )
 972             {
 973                 /* Append */
 974                 p_sys->track = (live_track_t**)realloc( p_sys->track, sizeof( live_track_t ) * ( p_sys->i_track + 1 ) );
 975                 p_sys->track[p_sys->i_track++] = tk;
 976             }
 977             else
 978             {
 979                 /* BUG ??? */
 980                 msg_Err( p_demux, "unusable RTSP track. this should not happen" );
 981                 free( tk );
 982             }
 983         }
 984     }
 985     delete iter;
 986     if( p_sys->i_track <= 0 ) i_return = VLC_EGENERIC;
 987
 988 #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 1199404800)
 989     /* Retrieve the starttime if possible */
 990     p_sys->i_npt_start = (int64_t)( p_sys->ms->playStartTime() * (double)1000000.0 );
 991 #else
 992     p_sys->i_npt_start = (int64_t) -1;
 993 #endif
 994     if( p_sys->i_npt_start < 0 )
 995         p_sys->i_npt_start = -1;
 996
 997 #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 1199404800)
 998     /* Retrieve the duration if possible */
 999     p_sys->i_npt_length = (int64_t)( p_sys->ms->playEndTime() * (double)1000000.0 );
1000 #else
1001     p_sys->i_npt_length = (int64_t) -1;
1002 #endif
1003     if( p_sys->i_npt_length < 0 )
1004         p_sys->i_npt_length = -1;
1005
1006     msg_Dbg( p_demux, "setup start: %lld stop:%lld", p_sys->i_npt_start, p_sys->i_npt_length );
1007     return i_return;
1008 }
1009
1010 /*****************************************************************************
1011  * Play: starts the actual playback of the stream
1012  *****************************************************************************/
1013 static int Play( demux_t *p_demux )
1014 {
1015     demux_sys_t *p_sys = p_demux->p_sys;
1016     int i;
1017
1018     if( p_sys->rtsp )
1019     {
1020         /* The PLAY */
1021         if( !p_sys->rtsp->playMediaSession( *p_sys->ms, p_sys->i_npt_start, -1, 1 ) )
1022         {
1023             msg_Err( p_demux, "RTSP PLAY failed %s", p_sys->env->getResultMsg() );
1024             return VLC_EGENERIC;
1025         }
1026
1027         /* Retrieve the timeout value and set up a timeout prevention thread */
1028         p_sys->i_timeout = p_sys->rtsp->sessionTimeoutParameter();
1029         if( p_sys->i_timeout <= 0 )
1030             p_sys->i_timeout = 60; /* default value from RFC2326 */
1031
1032         /* start timeout-thread only on x-asf streams (wms), it has rtcp support but doesn't
1033          * seem to use it for liveness/keep-alive, get_parameter seems to work for it. get_parameter
1034          * doesn't work with dss 5.5.4 & 5.5.5, they seems to work with rtcp */
1035         if( !p_sys->p_timeout && p_sys->p_out_asf )
1036         {
1037             msg_Dbg( p_demux, "We have a timeout of %d seconds",  p_sys->i_timeout );
1038             p_sys->p_timeout = (timeout_thread_t *)vlc_object_create( p_demux, sizeof(timeout_thread_t) );
1039             p_sys->p_timeout->p_sys = p_demux->p_sys; /* lol, object recursion :D */
1040             if( vlc_thread_create( p_sys->p_timeout, "liveMedia-timeout", TimeoutPrevention,
1041                                    VLC_THREAD_PRIORITY_LOW, true ) )
1042             {
1043                 msg_Err( p_demux, "cannot spawn liveMedia timeout thread" );
1044                 vlc_object_release( p_sys->p_timeout );
1045             }
1046             msg_Dbg( p_demux, "spawned timeout thread" );
1047             vlc_object_attach( p_sys->p_timeout, p_demux );
1048         }
1049     }
1050     p_sys->i_pcr = 0;
1051
1052 #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 1195257600)
1053     for( i = 0; i < p_sys->i_track; i++ )
1054     {
1055         if( !p_sys->track[i]->b_rtcp_sync )
1056             p_sys->track[i]->i_pts = (int64_t) ( p_sys->track[i]->sub->rtpInfo.timestamp * (double)1000000.0 );
1057         p_sys->track[i]->i_start_seq = (int)p_sys->track[i]->sub->rtpInfo.seqNum;
1058         msg_Info( p_demux, "set startseq: %u", p_sys->track[i]->i_start_seq );
1059     }
1060 #endif
1061
1062 #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 1199404800)
1063     /* Retrieve the starttime if possible */
1064     p_sys->i_npt_start = (int64_t)( p_sys->ms->playStartTime() * (double)1000000.0 );
1065 #else
1066     p_sys->i_npt_start = -1;
1067 #endif
1068     if( p_sys->i_npt_start < 0 )
1069     {
1070         p_sys->i_npt_start = -1;
1071         p_sys->i_npt = 0;
1072     }
1073     else
1074         p_sys->i_npt = p_sys->i_npt_start;
1075
1076 #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 1199404800)
1077     /* Retrieve the duration if possible */
1078     p_sys->i_npt_length = (int64_t)( p_sys->ms->playEndTime() * (double)1000000.0 );
1079 #else
1080     p_sys->i_npt_length = -1;
1081 #endif
1082     if( p_sys->i_npt_length < 0 )
1083         p_sys->i_npt_length = -1;
1084
1085     msg_Dbg( p_demux, "play start: %lld stop:%lld", p_sys->i_npt_start, p_sys->i_npt_length );
1086     return VLC_SUCCESS;
1087 }
1088
1089
1090 /*****************************************************************************
1091  * Demux:
1092  *****************************************************************************/
1093 static int Demux( demux_t *p_demux )
1094 {
1095     demux_sys_t    *p_sys = p_demux->p_sys;
1096     TaskToken      task;
1097
1098     bool      b_send_pcr = true;
1099     int64_t         i_pcr = 0;
1100     int             i;
1101
1102     /* Check if we need to send the server a Keep-A-Live signal */
1103     if( p_sys->b_timeout_call && p_sys->rtsp && p_sys->ms )
1104     {
1105         char *psz_bye = NULL;
1106         p_sys->rtsp->getMediaSessionParameter( *p_sys->ms, NULL, psz_bye );
1107         p_sys->b_timeout_call = false;
1108     }
1109
1110
1111     for( i = 0; i < p_sys->i_track; i++ )
1112     {
1113         live_track_t *tk = p_sys->track[i];
1114
1115         if( tk->b_asf || tk->b_muxed )
1116             b_send_pcr = false;
1117 #if 0
1118         if( i_pcr == 0 )
1119         {
1120             i_pcr = tk->i_pts;
1121         }
1122         else if( tk->i_pts != 0 && i_pcr > tk->i_pts )
1123         {
1124             i_pcr = tk->i_pts ;
1125         }
1126 #endif
1127     }
1128     if( p_sys->i_pcr > 0 )
1129     {
1130         if( b_send_pcr )
1131             es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_sys->i_pcr );
1132     }
1133
1134     /* First warn we want to read data */
1135     p_sys->event = 0;
1136     for( i = 0; i < p_sys->i_track; i++ )
1137     {
1138         live_track_t *tk = p_sys->track[i];
1139
1140         if( tk->waiting == 0 )
1141         {
1142             tk->waiting = 1;
1143             tk->sub->readSource()->getNextFrame( tk->p_buffer, tk->i_buffer,
1144                                           StreamRead, tk, StreamClose, tk );
1145         }
1146     }
1147     /* Create a task that will be called if we wait more than 300ms */
1148     task = p_sys->scheduler->scheduleDelayedTask( 300000, TaskInterrupt, p_demux );
1149
1150     /* Do the read */
1151     p_sys->scheduler->doEventLoop( &p_sys->event );
1152
1153     /* remove the task */
1154     p_sys->scheduler->unscheduleDelayedTask( task );
1155
1156     /* Check for gap in pts value */
1157     for( i = 0; i < p_sys->i_track; i++ )
1158     {
1159         live_track_t *tk = p_sys->track[i];
1160
1161         if( !tk->b_muxed && !tk->b_rtcp_sync &&
1162             tk->sub->rtpSource() && tk->sub->rtpSource()->hasBeenSynchronizedUsingRTCP() )
1163         {
1164             msg_Dbg( p_demux, "tk->rtpSource->hasBeenSynchronizedUsingRTCP()" );
1165
1166             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
1167             tk->b_rtcp_sync = true;
1168             /* reset PCR */
1169             tk->i_pts = 0;
1170             p_sys->i_pcr = 0;
1171             i_pcr = 0;
1172         }
1173     }
1174
1175     if( p_sys->b_multicast && p_sys->b_no_data &&
1176         ( p_sys->i_no_data_ti > 120 ) )
1177     {
1178         /* FIXME Make this configurable
1179         msg_Err( p_demux, "no multicast data received in 36s, aborting" );
1180         return 0;
1181         */
1182     }
1183     else if( !p_sys->b_multicast && p_sys->b_no_data &&
1184              ( p_sys->i_no_data_ti > 34 ) )
1185     {
1186         bool b_rtsp_tcp = var_GetBool( p_demux, "rtsp-tcp" ) ||
1187                                 var_GetBool( p_demux, "rtsp-http" );
1188
1189         if( !b_rtsp_tcp && p_sys->rtsp && p_sys->ms )
1190         {
1191             msg_Warn( p_demux, "no data received in 10s. Switching to TCP" );
1192             if( RollOverTcp( p_demux ) )
1193             {
1194                 msg_Err( p_demux, "TCP rollover failed, aborting" );
1195                 return 0;
1196             }
1197         }
1198         else if( p_sys->i_no_data_ti > 34 )
1199         {
1200             msg_Err( p_demux, "no data received in 10s, aborting" );
1201             return 0;
1202         }
1203     }
1204     else if( !p_sys->b_multicast && p_sys->b_no_data && p_sys->i_no_data_ti > 34 )
1205     {
1206         /* EOF ? */
1207         msg_Warn( p_demux, "no data received in 10s, eof ?" );
1208         return 0;
1209     }
1210     return p_demux->b_error ? 0 : 1;
1211 }
1212
1213 /*****************************************************************************
1214  * Control:
1215  *****************************************************************************/
1216 static int Control( demux_t *p_demux, int i_query, va_list args )
1217 {
1218     demux_sys_t *p_sys = p_demux->p_sys;
1219     int64_t *pi64;
1220     double  *pf, f;
1221     bool *pb, *pb2, b_bool;
1222     int *pi_int;
1223
1224     switch( i_query )
1225     {
1226         case DEMUX_GET_TIME:
1227             pi64 = (int64_t*)va_arg( args, int64_t * );
1228             if( p_sys->i_npt > 0 )
1229             {
1230                 *pi64 = p_sys->i_npt;
1231                 return VLC_SUCCESS;
1232             }
1233             return VLC_EGENERIC;
1234
1235         case DEMUX_GET_LENGTH:
1236             pi64 = (int64_t*)va_arg( args, int64_t * );
1237             if( p_sys->i_npt_length > 0 )
1238             {
1239                 *pi64 = p_sys->i_npt_length;
1240                 return VLC_SUCCESS;
1241             }
1242             return VLC_EGENERIC;
1243
1244         case DEMUX_GET_POSITION:
1245             pf = (double*)va_arg( args, double* );
1246             if( p_sys->i_npt_length > 0 && p_sys->i_npt > 0 )
1247             {
1248                 *pf = (double)p_sys->i_npt / (double)p_sys->i_npt_length;
1249                 return VLC_SUCCESS;
1250             }
1251             return VLC_EGENERIC;
1252
1253         case DEMUX_SET_POSITION:
1254         {
1255             float time;
1256
1257             f = (double)va_arg( args, double );
1258             if( p_sys->rtsp && p_sys->i_npt_length > 0 )
1259             {
1260                 int i;
1261                 time = f * (double)p_sys->i_npt_length / (double)1000000.0;   /* in second */
1262                 if( !p_sys->rtsp->playMediaSession( *p_sys->ms, time, -1, 1 ) )
1263                 {
1264                     msg_Err( p_demux, "PLAY failed %s",
1265                         p_sys->env->getResultMsg() );
1266                     return VLC_EGENERIC;
1267                 }
1268                 es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
1269                 p_sys->i_pcr = 0;
1270 #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 1195257600)
1271                 /* Retrieve RTP-Info values */
1272                 for( i = 0; i < p_sys->i_track; i++ )
1273                 {
1274                     //if( !p_sys->track[i]->b_rtcp_sync )
1275                     p_sys->track[i]->b_rtcp_sync = false;
1276                     p_sys->track[i]->i_pts = (int64_t) ( p_sys->track[i]->sub->rtpInfo.timestamp * (double)1000000.0 );
1277                     p_sys->track[i]->i_start_seq = p_sys->track[i]->sub->rtpInfo.seqNum;
1278                     msg_Info( p_demux, "set pos startseq: %u", p_sys->track[i]->i_start_seq );
1279                 }
1280 #endif
1281 #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 1199404800)
1282                 /* Retrieve the starttime if possible */
1283                 p_sys->i_npt_start = (int64_t)( p_sys->ms->playStartTime() * (double)1000000.0 );
1284 #else
1285                 p_sys->i_npt_start = -1;
1286 #endif
1287                 if( p_sys->i_npt_start < 0 )
1288                 {
1289                     p_sys->i_npt_start = -1;
1290                     p_sys->i_npt = 0;
1291                 }
1292                 else
1293                     p_sys->i_npt = p_sys->i_npt_start;
1294
1295 #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 1199404800)
1296                 /* Retrieve the duration if possible */
1297                 p_sys->i_npt_length = (int64_t)( p_sys->ms->playEndTime() * (double)1000000.0 );
1298 #else
1299                 p_sys->i_npt_length = -1;
1300 #endif
1301                 if( p_sys->i_npt_length < 0 )
1302                     p_sys->i_npt_length = -1;
1303
1304                 msg_Dbg( p_demux, "seek start: %lld stop:%lld", p_sys->i_npt_start, p_sys->i_npt_length );
1305                 return VLC_SUCCESS;
1306             }
1307             return VLC_EGENERIC;
1308         }
1309         /* Special for access_demux */
1310         case DEMUX_CAN_PAUSE:
1311         case DEMUX_CAN_SEEK:
1312             pb = (bool*)va_arg( args, bool * );
1313             if( p_sys->rtsp && p_sys->i_npt_length )
1314                 /* Not always true, but will be handled in SET_PAUSE_STATE */
1315                 *pb = true;
1316             else
1317                 *pb = false;
1318             return VLC_SUCCESS;
1319
1320         case DEMUX_CAN_CONTROL_PACE:
1321             pb = (bool*)va_arg( args, bool * );
1322
1323 #if 1       /* Disable for now until we have a clock synchro algo
1324              * which works with something else than MPEG over UDP */
1325             *pb = false;
1326 #else
1327             *pb = true;
1328 #endif
1329             return VLC_SUCCESS;
1330
1331 #if 0
1332         case DEMUX_CAN_CONTROL_RATE:
1333             pb = (bool*)va_arg( args, bool * );
1334             pb2 = (bool*)va_arg( args, bool * );
1335
1336             *pb = p_sys->rtsp != NULL && p_sys->i_npt_length > 0 && !var_GetBool( p_demux, "rtsp-kasenna" );
1337             *pb2 = false;
1338             return VLC_SUCCESS;
1339
1340         case DEMUX_SET_RATE:
1341         {
1342             double f_scale;
1343
1344             if( !p_sys->rtsp || p_sys->i_npt_length <= 0 || var_GetBool( p_demux, "rtsp-kasenna" ) )
1345                 return VLC_EGENERIC;
1346
1347             /* TODO we might want to ensure that the new rate is different from
1348              * old rate after playMediaSession...
1349              * I have no idea how the server map the requested rate to the
1350              * ones it supports.
1351              * ex:
1352              *  current is x2 we request x1.5 if the server return x2 we will
1353              *  never succeed to return to x1.
1354              *  In this case we should retry with a lower rate until we have
1355              *  one (even x1).
1356              */
1357
1358             pi_int = (int*)va_arg( args, int * );
1359             f_scale = (double)INPUT_RATE_DEFAULT / (*p_int);
1360
1361             /* Passing -1 for the start and end time will mean liveMedia won't
1362             * create a Range: section for the RTSP message. The server should
1363             * pick up from the current position */
1364             if( !p_sys->rtsp->playMediaSession( *p_sys->ms, -1, -1, f_scale ) )
1365             {
1366                 msg_Err( p_demux, "PLAY with Scale %0.2f failed %s", f_scale,
1367                         p_sys->env->getResultMsg() );
1368                 return VLC_EGENERIC;
1369             }
1370             /* ReSync the stream */
1371             p_sys->i_npt_start = 0;
1372             p_sys->i_pcr = 0;
1373             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
1374
1375             *pi_int = (int)( INPUT_RATE_DEFAULT / p_sys->ms->scale() + 0.5 );
1376             return VLC_SUCCESS;
1377         }
1378 #endif
1379
1380         case DEMUX_SET_PAUSE_STATE:
1381         {
1382             double d_npt = (double) p_sys->i_npt / I64C(1000000);
1383             int i;
1384
1385             b_bool = (bool)va_arg( args, int );
1386             if( p_sys->rtsp == NULL )
1387                 return VLC_EGENERIC;
1388
1389             /* FIXME */
1390             if( ( b_bool && !p_sys->rtsp->pauseMediaSession( *p_sys->ms ) ) ||
1391                     ( !b_bool && !p_sys->rtsp->playMediaSession( *p_sys->ms,
1392                       d_npt > 0 ? d_npt : -1 ) ) )
1393             {
1394                     msg_Err( p_demux, "PLAY or PAUSE failed %s", p_sys->env->getResultMsg() );
1395                     return VLC_EGENERIC;
1396             }
1397
1398             /* When we Pause, we'll need the TimeoutPrevention thread to
1399              * handle sending the "Keep Alive" message to the server.
1400              * Unfortunately Live555 isn't thread safe and so can't
1401              * do this normally while the main Demux thread is handling
1402              * a live stream. We end up with the Timeout thread blocking
1403              * waiting for a response from the server. So when we PAUSE
1404              * we set a flag that the TimeoutPrevention function will check
1405              * and if it's set, it will trigger the GET_PARAMETER message */
1406             if( b_bool && p_sys->p_timeout != NULL )
1407                 p_sys->p_timeout->b_handle_keep_alive = true;
1408             else if( !b_bool && p_sys->p_timeout != NULL )
1409                 p_sys->p_timeout->b_handle_keep_alive = false;
1410
1411             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
1412             p_sys->i_pcr = 0;
1413 #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 1195257600)
1414             for( i = 0; i < p_sys->i_track; i++ )
1415             {
1416                 if( !p_sys->track[i]->b_rtcp_sync )
1417                     p_sys->track[i]->i_pts = 0; // (int64_t) ( p_sys->track[i]->sub->rtpInfo.timestamp * (double)1000000.0 );
1418                 p_sys->track[i]->i_start_seq = p_sys->track[i]->sub->rtpInfo.seqNum;
1419                 msg_Info( p_demux, "set pause startseq: %u", p_sys->track[i]->i_start_seq );
1420             }
1421 #endif
1422 #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 1199404800)
1423             /* Retrieve the starttime if possible */
1424             p_sys->i_npt_start = (int64_t)( p_sys->ms->playStartTime() * (double)1000000.0 );
1425 #else
1426             p_sys->i_npt_start = -1;
1427 #endif
1428             if( p_sys->i_npt_start < 0 )
1429             {
1430                 p_sys->i_npt_start = -1;
1431                 p_sys->i_npt = 0;
1432             }
1433             else
1434                 p_sys->i_npt = p_sys->i_npt_start;
1435
1436 #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 1199404800)
1437             /* Retrieve the duration if possible */
1438             p_sys->i_npt_length = (int64_t)( p_sys->ms->playEndTime() * (double)1000000.0 );
1439 #else
1440             p_sys->i_npt_length = -1;
1441 #endif
1442             if( p_sys->i_npt_length < 0 )
1443                 p_sys->i_npt_length = -1;
1444
1445             msg_Dbg( p_demux, "pause start: %lld stop:%lld", p_sys->i_npt_start, p_sys->i_npt_length );
1446             return VLC_SUCCESS;
1447         }
1448         case DEMUX_GET_TITLE_INFO:
1449         case DEMUX_SET_TITLE:
1450         case DEMUX_SET_SEEKPOINT:
1451             return VLC_EGENERIC;
1452
1453         case DEMUX_GET_PTS_DELAY:
1454             pi64 = (int64_t*)va_arg( args, int64_t * );
1455             *pi64 = (int64_t)var_GetInteger( p_demux, "rtsp-caching" ) * 1000;
1456             return VLC_SUCCESS;
1457
1458         default:
1459             return VLC_EGENERIC;
1460     }
1461 }
1462
1463 /*****************************************************************************
1464  * RollOverTcp: reopen the rtsp into TCP mode
1465  * XXX: ugly, a lot of code are duplicated from Open()
1466  * This should REALLY be fixed
1467  *****************************************************************************/
1468 static int RollOverTcp( demux_t *p_demux )
1469 {
1470     demux_sys_t *p_sys = p_demux->p_sys;
1471     int i, i_return;
1472
1473     var_SetBool( p_demux, "rtsp-tcp", true );
1474
1475     /* We close the old RTSP session */
1476     for( i = 0; i < p_sys->i_track; i++ )
1477     {
1478         live_track_t *tk = p_sys->track[i];
1479
1480         if( tk->b_muxed ) stream_DemuxDelete( tk->p_out_muxed );
1481         free( tk->p_buffer );
1482         free( tk );
1483     }
1484     if( p_sys->i_track ) free( p_sys->track );
1485     if( p_sys->p_out_asf ) stream_DemuxDelete( p_sys->p_out_asf );
1486
1487     p_sys->rtsp->teardownMediaSession( *p_sys->ms );
1488     Medium::close( p_sys->ms );
1489     RTSPClient::close( p_sys->rtsp );
1490
1491     p_sys->ms = NULL;
1492     p_sys->rtsp = NULL;
1493     p_sys->track = NULL;
1494     p_sys->i_track = 0;
1495
1496     /* Reopen rtsp client */
1497     if( ( p_demux->s != NULL ) &&
1498         ( i_return = Connect( p_demux ) ) != VLC_SUCCESS )
1499     {
1500         msg_Err( p_demux, "Failed to connect with rtsp://%s",
1501                  p_sys->psz_path );
1502         goto error;
1503     }
1504
1505     if( p_sys->p_sdp == NULL )
1506     {
1507         msg_Err( p_demux, "Failed to retrieve the RTSP Session Description" );
1508         goto error;
1509     }
1510
1511     if( ( i_return = SessionsSetup( p_demux ) ) != VLC_SUCCESS )
1512     {
1513         msg_Err( p_demux, "Nothing to play for rtsp://%s", p_sys->psz_path );
1514         goto error;
1515     }
1516
1517     if( ( i_return = Play( p_demux ) ) != VLC_SUCCESS )
1518         goto error;
1519
1520     return VLC_SUCCESS;
1521
1522 error:
1523     return VLC_EGENERIC;
1524 }
1525
1526
1527 /*****************************************************************************
1528  *
1529  *****************************************************************************/
1530 static void StreamRead( void *p_private, unsigned int i_size,
1531                         unsigned int i_truncated_bytes, struct timeval pts,
1532                         unsigned int duration )
1533 {
1534     live_track_t   *tk = (live_track_t*)p_private;
1535     demux_t        *p_demux = tk->p_demux;
1536     demux_sys_t    *p_sys = p_demux->p_sys;
1537     block_t        *p_block;
1538
1539     //msg_Dbg( p_demux, "pts: %d", pts.tv_sec );
1540
1541     int64_t i_pts = (uint64_t)pts.tv_sec * UI64C(1000000) +
1542         (uint64_t)pts.tv_usec;
1543
1544     /* XXX Beurk beurk beurk Avoid having negative value XXX */
1545     i_pts &= UI64C(0x00ffffffffffffff);
1546
1547     if( tk->b_quicktime && tk->p_es == NULL )
1548     {
1549         QuickTimeGenericRTPSource *qtRTPSource =
1550             (QuickTimeGenericRTPSource*)tk->sub->rtpSource();
1551         QuickTimeGenericRTPSource::QTState &qtState = qtRTPSource->qtState;
1552         uint8_t *sdAtom = (uint8_t*)&qtState.sdAtom[4];
1553
1554         if( tk->fmt.i_cat == VIDEO_ES ) {
1555             if( qtState.sdAtomSize < 16 + 32 )
1556             {
1557                 /* invalid */
1558                 p_sys->event = 0xff;
1559                 tk->waiting = 0;
1560                 return;
1561             }
1562             tk->fmt.i_codec = VLC_FOURCC(sdAtom[0],sdAtom[1],sdAtom[2],sdAtom[3]);
1563             tk->fmt.video.i_width  = (sdAtom[28] << 8) | sdAtom[29];
1564             tk->fmt.video.i_height = (sdAtom[30] << 8) | sdAtom[31];
1565
1566             if( tk->fmt.i_codec == VLC_FOURCC('a', 'v', 'c', '1') )
1567             {
1568                 uint8_t *pos = (uint8_t*)qtRTPSource->qtState.sdAtom + 86;
1569                 uint8_t *endpos = (uint8_t*)qtRTPSource->qtState.sdAtom
1570                                   + qtRTPSource->qtState.sdAtomSize;
1571                 while (pos+8 < endpos) {
1572                     unsigned int atomLength = pos[0]<<24 | pos[1]<<16 | pos[2]<<8 | pos[3];
1573                     if( atomLength == 0 || atomLength > (unsigned int)(endpos-pos)) break;
1574                     if( memcmp(pos+4, "avcC", 4) == 0 &&
1575                         atomLength > 8 &&
1576                         atomLength <= INT_MAX )
1577                     {
1578                         tk->fmt.i_extra = atomLength-8;
1579                         tk->fmt.p_extra = malloc( tk->fmt.i_extra );
1580                         memcpy(tk->fmt.p_extra, pos+8, atomLength-8);
1581                         break;
1582                     }
1583                     pos += atomLength;
1584                 }
1585             }
1586             else
1587             {
1588                 tk->fmt.i_extra        = qtState.sdAtomSize - 16;
1589                 tk->fmt.p_extra        = malloc( tk->fmt.i_extra );
1590                 memcpy( tk->fmt.p_extra, &sdAtom[12], tk->fmt.i_extra );
1591             }
1592         }
1593         else {
1594             if( qtState.sdAtomSize < 4 )
1595             {
1596                 /* invalid */
1597                 p_sys->event = 0xff;
1598                 tk->waiting = 0;
1599                 return;
1600             }
1601             tk->fmt.i_codec = VLC_FOURCC(sdAtom[0],sdAtom[1],sdAtom[2],sdAtom[3]);
1602         }
1603         tk->p_es = es_out_Add( p_demux->out, &tk->fmt );
1604     }
1605
1606 #if 0
1607     fprintf( stderr, "StreamRead size=%d pts=%lld\n",
1608              i_size,
1609              pts.tv_sec * 1000000LL + pts.tv_usec );
1610 #endif
1611
1612     /* grow buffer if it looks like buffer is too small, but don't eat
1613      * up all the memory on strange streams */
1614     if( i_truncated_bytes > 0 && tk->i_buffer < 2000000 )
1615     {
1616         void *p_tmp;
1617         msg_Dbg( p_demux, "lost %d bytes", i_truncated_bytes );
1618         msg_Dbg( p_demux, "increasing buffer size to %d", tk->i_buffer * 2 );
1619         tk->i_buffer *= 2;
1620         p_tmp = realloc( tk->p_buffer, tk->i_buffer );
1621         if( p_tmp == NULL )
1622         {
1623             msg_Warn( p_demux, "realloc failed" );
1624         }
1625         else
1626         {
1627             tk->p_buffer = (uint8_t*)p_tmp;
1628         }
1629     }
1630     if( i_size > tk->i_buffer )
1631     {
1632         msg_Warn( p_demux, "buffer overflow" );
1633     }
1634     /* FIXME could i_size be > buffer size ? */
1635     if( tk->fmt.i_codec == VLC_FOURCC('s','a','m','r') ||
1636         tk->fmt.i_codec == VLC_FOURCC('s','a','w','b') )
1637     {
1638         AMRAudioSource *amrSource = (AMRAudioSource*)tk->sub->readSource();
1639
1640         p_block = block_New( p_demux, i_size + 1 );
1641         p_block->p_buffer[0] = amrSource->lastFrameHeader();
1642         memcpy( p_block->p_buffer + 1, tk->p_buffer, i_size );
1643     }
1644     else if( tk->fmt.i_codec == VLC_FOURCC('H','2','6','1') )
1645     {
1646 #if LIVEMEDIA_LIBRARY_VERSION_INT >= 1081468800
1647         H261VideoRTPSource *h261Source = (H261VideoRTPSource*)tk->sub->rtpSource();
1648         uint32_t header = h261Source->lastSpecialHeader();
1649 #else
1650         uint32_t header = 0;
1651         msg_Warn( p_demux, "need livemedia library >= \"2004.04.09\"" );
1652 #endif
1653         p_block = block_New( p_demux, i_size + 4 );
1654         memcpy( p_block->p_buffer, &header, 4 );
1655         memcpy( p_block->p_buffer + 4, tk->p_buffer, i_size );
1656
1657         if( tk->sub->rtpSource()->curPacketMarkerBit() )
1658             p_block->i_flags |= BLOCK_FLAG_END_OF_FRAME;
1659     }
1660     else if( tk->fmt.i_codec == VLC_FOURCC('h','2','6','4') )
1661     {
1662         if( (tk->p_buffer[0] & 0x1f) >= 24 )
1663             msg_Warn( p_demux, "unsupported NAL type for H264" );
1664
1665         /* Normal NAL type */
1666         p_block = block_New( p_demux, i_size + 4 );
1667         p_block->p_buffer[0] = 0x00;
1668         p_block->p_buffer[1] = 0x00;
1669         p_block->p_buffer[2] = 0x00;
1670         p_block->p_buffer[3] = 0x01;
1671         memcpy( &p_block->p_buffer[4], tk->p_buffer, i_size );
1672     }
1673     else if( tk->b_asf )
1674     {
1675         int i_copy = __MIN( p_sys->asfh.i_min_data_packet_size, (int)i_size );
1676         p_block = block_New( p_demux, p_sys->asfh.i_min_data_packet_size );
1677
1678         memcpy( p_block->p_buffer, tk->p_buffer, i_copy );
1679     }
1680     else
1681     {
1682         p_block = block_New( p_demux, i_size );
1683         memcpy( p_block->p_buffer, tk->p_buffer, i_size );
1684     }
1685
1686     /* Update NPT */
1687     //msg_Dbg( p_demux, "current %d, start_seq %u", (int)tk->sub->rtpSource()->curPacketRTPSeqNum(), tk->i_start_seq );
1688     if( (tk->fmt.i_cat == VIDEO_ES) && (p_sys->i_pcr < i_pts) &&
1689         (i_pts > 0) && (p_sys->i_pcr > 0) )
1690     {
1691         p_sys->i_npt += __MAX( 0, i_pts - p_sys->i_pcr );
1692         p_sys->i_pcr = i_pts;
1693         //msg_Dbg( p_demux, "npt update" );
1694     }
1695     else if( /*tk->fmt.i_cat == VIDEO_ES &&*/ p_sys->i_pcr < i_pts )
1696     {
1697         p_sys->i_pcr = i_pts;
1698     }
1699     //msg_Dbg( p_demux, "npt %lld", p_sys->i_npt );
1700
1701     if( (i_pts != tk->i_pts) && (!tk->b_muxed) )
1702     {
1703         p_block->i_pts = i_pts;
1704     }
1705     if( !tk->b_muxed )
1706     {
1707         /*FIXME: for h264 you should check that packetization-mode=1 in sdp-file */
1708         p_block->i_dts = ( tk->fmt.i_codec == VLC_FOURCC( 'm', 'p', 'g', 'v' ) ) ? 0 : i_pts;
1709     }
1710
1711     if( tk->b_muxed )
1712     {
1713         stream_DemuxSend( tk->p_out_muxed, p_block );
1714     }
1715     else if( tk->b_asf )
1716     {
1717         stream_DemuxSend( p_sys->p_out_asf, p_block );
1718     }
1719     else
1720     {
1721         es_out_Send( p_demux->out, tk->p_es, p_block );
1722     }
1723
1724     /* warn that's ok */
1725     p_sys->event = 0xff;
1726
1727     /* we have read data */
1728     tk->waiting = 0;
1729     p_demux->p_sys->b_no_data = false;
1730     p_demux->p_sys->i_no_data_ti = 0;
1731
1732     if( i_pts > 0 && !tk->b_muxed )
1733     {
1734         tk->i_pts = i_pts;
1735     }
1736 }
1737
1738 /*****************************************************************************
1739  *
1740  *****************************************************************************/
1741 static void StreamClose( void *p_private )
1742 {
1743     live_track_t   *tk = (live_track_t*)p_private;
1744     demux_t        *p_demux = tk->p_demux;
1745     demux_sys_t    *p_sys = p_demux->p_sys;
1746
1747     msg_Dbg( p_demux, "StreamClose" );
1748
1749     p_sys->event = 0xff;
1750     p_demux->b_error = true;
1751 }
1752
1753
1754 /*****************************************************************************
1755  *
1756  *****************************************************************************/
1757 static void TaskInterrupt( void *p_private )
1758 {
1759     demux_t *p_demux = (demux_t*)p_private;
1760
1761     p_demux->p_sys->i_no_data_ti++;
1762
1763     /* Avoid lock */
1764     p_demux->p_sys->event = 0xff;
1765 }
1766
1767 /*****************************************************************************
1768  *
1769  *****************************************************************************/
1770 static void TimeoutPrevention( timeout_thread_t *p_timeout )
1771 {
1772     p_timeout->b_die = false;
1773     p_timeout->i_remain = (int64_t)p_timeout->p_sys->i_timeout -2;
1774     p_timeout->i_remain *= 1000000;
1775
1776     vlc_thread_ready( p_timeout );
1777
1778     /* Avoid lock */
1779     while( !p_timeout->b_die )
1780     {
1781         if( p_timeout->i_remain <= 0 )
1782         {
1783             char *psz_bye = NULL;
1784             p_timeout->i_remain = (int64_t)p_timeout->p_sys->i_timeout -2;
1785             p_timeout->i_remain *= 1000000;
1786             msg_Dbg( p_timeout, "reset the timeout timer" );
1787             if( p_timeout->b_handle_keep_alive == true )
1788             {
1789 #if LIVEMEDIA_LIBRARY_VERSION_INT >= 1138089600
1790                 p_timeout->p_sys->rtsp->getMediaSessionParameter( *p_timeout->p_sys->ms, NULL, psz_bye );
1791 #endif
1792                 p_timeout->p_sys->b_timeout_call = false;
1793             }
1794             else
1795             {
1796                 p_timeout->p_sys->b_timeout_call = true;
1797             }
1798         }
1799         p_timeout->i_remain -= 200000;
1800         msleep( 200000 ); /* 200 ms */
1801     }
1802 }
1803
1804 /*****************************************************************************
1805  *
1806  *****************************************************************************/
1807 static int b64_decode( char *dest, char *src );
1808
1809 static int ParseASF( demux_t *p_demux )
1810 {
1811     demux_sys_t    *p_sys = p_demux->p_sys;
1812
1813     const char *psz_marker = "a=pgmpu:data:application/vnd.ms.wms-hdr.asfv1;base64,";
1814     char *psz_asf = strcasestr( p_sys->p_sdp, psz_marker );
1815     char *psz_end;
1816     block_t *p_header;
1817
1818     /* Parse the asf header */
1819     if( psz_asf == NULL )
1820         return VLC_EGENERIC;
1821
1822     psz_asf += strlen( psz_marker );
1823     psz_asf = strdup( psz_asf );    /* Duplicate it */
1824     psz_end = strchr( psz_asf, '\n' );
1825
1826     while( psz_end > psz_asf && ( *psz_end == '\n' || *psz_end == '\r' ) )
1827         *psz_end-- = '\0';
1828
1829     if( psz_asf >= psz_end )
1830     {
1831         free( psz_asf );
1832         return VLC_EGENERIC;
1833     }
1834
1835     /* Always smaller */
1836     p_header = block_New( p_demux, psz_end - psz_asf );
1837     p_header->i_buffer = b64_decode( (char*)p_header->p_buffer, psz_asf );
1838     //msg_Dbg( p_demux, "Size=%d Hdrb64=%s", p_header->i_buffer, psz_asf );
1839     if( p_header->i_buffer <= 0 )
1840     {
1841         free( psz_asf );
1842         return VLC_EGENERIC;
1843     }
1844
1845     /* Parse it to get packet size */
1846     E_(asf_HeaderParse)( &p_sys->asfh, p_header->p_buffer, p_header->i_buffer );
1847
1848     /* Send it to demuxer */
1849     stream_DemuxSend( p_sys->p_out_asf, p_header );
1850
1851     free( psz_asf );
1852     return VLC_SUCCESS;
1853 }
1854
1855
1856 static unsigned char* parseH264ConfigStr( char const* configStr,
1857                                           unsigned int& configSize )
1858 {
1859     char *dup, *psz;
1860     int i, i_records = 1;
1861
1862     if( configSize )
1863     configSize = 0;
1864
1865     if( configStr == NULL || *configStr == '\0' )
1866         return NULL;
1867
1868     psz = dup = strdup( configStr );
1869
1870     /* Count the number of comma's */
1871     for( psz = dup; *psz != '\0'; ++psz )
1872     {
1873         if( *psz == ',')
1874         {
1875             ++i_records;
1876             *psz = '\0';
1877         }
1878     }
1879
1880     unsigned char *cfg = new unsigned char[5 * strlen(dup)];
1881     psz = dup;
1882     for( i = 0; i < i_records; i++ )
1883     {
1884         cfg[configSize++] = 0x00;
1885         cfg[configSize++] = 0x00;
1886         cfg[configSize++] = 0x00;
1887         cfg[configSize++] = 0x01;
1888
1889         configSize += b64_decode( (char*)&cfg[configSize], psz );
1890         psz += strlen(psz)+1;
1891     }
1892
1893     free( dup );
1894     return cfg;
1895 }
1896
1897 /*char b64[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";*/
1898 static int b64_decode( char *dest, char *src )
1899 {
1900     const char *dest_start = dest;
1901     int  i_level;
1902     int  last = 0;
1903     int  b64[256] = {
1904         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* 00-0F */
1905         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* 10-1F */
1906         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,62,-1,-1,-1,63,  /* 20-2F */
1907         52,53,54,55,56,57,58,59,60,61,-1,-1,-1,-1,-1,-1,  /* 30-3F */
1908         -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10,11,12,13,14,  /* 40-4F */
1909         15,16,17,18,19,20,21,22,23,24,25,-1,-1,-1,-1,-1,  /* 50-5F */
1910         -1,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,  /* 60-6F */
1911         41,42,43,44,45,46,47,48,49,50,51,-1,-1,-1,-1,-1,  /* 70-7F */
1912         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* 80-8F */
1913         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* 90-9F */
1914         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* A0-AF */
1915         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* B0-BF */
1916         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* C0-CF */
1917         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* D0-DF */
1918         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* E0-EF */
1919         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1   /* F0-FF */
1920         };
1921
1922     for( i_level = 0; *src != '\0'; src++ )
1923     {
1924         int  c;
1925
1926         c = b64[(unsigned int)*src];
1927         if( c == -1 )
1928         {
1929             continue;
1930         }
1931
1932         switch( i_level )
1933         {
1934             case 0:
1935                 i_level++;
1936                 break;
1937             case 1:
1938                 *dest++ = ( last << 2 ) | ( ( c >> 4)&0x03 );
1939                 i_level++;
1940                 break;
1941             case 2:
1942                 *dest++ = ( ( last << 4 )&0xf0 ) | ( ( c >> 2 )&0x0f );
1943                 i_level++;
1944                 break;
1945             case 3:
1946                 *dest++ = ( ( last &0x03 ) << 6 ) | c;
1947                 i_level = 0;
1948         }
1949         last = c;
1950     }
1951
1952     *dest = '\0';
1953
1954     return dest - dest_start;
1955 }