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