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  *          Sébastien Escudier <sebastien-devel celeos eu>
  11  *
  12  * This program is free software; you can redistribute it and/or modify
  13  * it under the terms of the GNU General Public License as published by
  14  * the Free Software Foundation; either version 2 of the License, or
  15  * (at your option) any later version.
  16  *
  17  * This program is distributed in the hope that it will be useful,
  18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  * GNU General Public License for more details.
  21  *
  22  * You should have received a copy of the GNU General Public License along
  23  * with this program; if not, write to the Free Software Foundation, Inc.,
  24  * 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  25  *****************************************************************************/
  26
  27 /*****************************************************************************
  28  * Preamble
  29  *****************************************************************************/
  30
  31 /* For inttypes.h
  32  * Note: config.h may include inttypes.h, so make sure we define this option
  33  * early enough. */
  34 #define __STDC_CONSTANT_MACROS 1
  35
  36 #ifdef HAVE_CONFIG_H
  37 # include "config.h"
  38 #endif
  39
  40 #include <inttypes.h>
  41
  42 #include <vlc_common.h>
  43 #include <vlc_plugin.h>
  44 #include <vlc_input.h>
  45 #include <vlc_demux.h>
  46 #include <vlc_dialog.h>
  47 #include <vlc_url.h>
  48 #include <vlc_strings.h>
  49
  50 #include <limits.h>
  51 #include <assert.h>
  52
  53
  54 #if defined( WIN32 )
  55 #   include <winsock2.h>
  56 #endif
  57
  58 #include <UsageEnvironment.hh>
  59 #include <BasicUsageEnvironment.hh>
  60 #include <GroupsockHelper.hh>
  61 #include <liveMedia.hh>
  62 #include <liveMedia_version.hh>
  63
  64 extern "C" {
  65 #include "../access/mms/asf.h"  /* Who said ugly ? */
  66 }
  67
  68 using namespace std;
  69
  70 /*****************************************************************************
  71  * Module descriptor
  72  *****************************************************************************/
  73 static int  Open ( vlc_object_t * );
  74 static void Close( vlc_object_t * );
  75
  76 #define KASENNA_TEXT N_( "Kasenna RTSP dialect")
  77 #define KASENNA_LONGTEXT N_( "Kasenna servers use an old and nonstandard " \
  78     "dialect of RTSP. With this parameter VLC will try this dialect, but "\
  79     "then it cannot connect to normal RTSP servers." )
  80
  81 #define WMSERVER_TEXT N_("WMServer RTSP dialect")
  82 #define WMSERVER_LONGTEXT N_("WMServer uses a nonstandard dialect " \
  83     "of RTSP. Selecting this parameter will tell VLC to assume some " \
  84     "options contrary to RFC 2326 guidelines.")
  85
  86 #define USER_TEXT N_("RTSP user name")
  87 #define USER_LONGTEXT N_("Sets the username for the connection, " \
  88     "if no username or password are set in the url.")
  89 #define PASS_TEXT N_("RTSP password")
  90 #define PASS_LONGTEXT N_("Sets the password for the connection, " \
  91     "if no username or password are set in the url.")
  92
  93 vlc_module_begin ()
  94     set_description( N_("RTP/RTSP/SDP demuxer (using Live555)" ) )
  95     set_capability( "demux", 50 )
  96     set_shortname( "RTP/RTSP")
  97     set_callbacks( Open, Close )
  98     add_shortcut( "live", "livedotcom" )
  99     set_category( CAT_INPUT )
 100     set_subcategory( SUBCAT_INPUT_DEMUX )
 101
 102     add_submodule ()
 103         set_description( N_("RTSP/RTP access and demux") )
 104         add_shortcut( "rtsp", "pnm", "live", "livedotcom" )
 105         set_capability( "access_demux", 0 )
 106         set_callbacks( Open, Close )
 107         add_bool( "rtsp-tcp", false,
 108                   N_("Use RTP over RTSP (TCP)"),
 109                   N_("Use RTP over RTSP (TCP)"), true )
 110             change_safe()
 111         add_integer( "rtp-client-port", -1,
 112                   N_("Client port"),
 113                   N_("Port to use for the RTP source of the session"), true )
 114         add_bool( "rtsp-mcast", false,
 115                   N_("Force multicast RTP via RTSP"),
 116                   N_("Force multicast RTP via RTSP"), true )
 117             change_safe()
 118         add_bool( "rtsp-http", false,
 119                   N_("Tunnel RTSP and RTP over HTTP"),
 120                   N_("Tunnel RTSP and RTP over HTTP"), true )
 121             change_safe()
 122         add_integer( "rtsp-http-port", 80,
 123                   N_("HTTP tunnel port"),
 124                   N_("Port to use for tunneling the RTSP/RTP over HTTP."),
 125                   true )
 126         add_bool(   "rtsp-kasenna", false, KASENNA_TEXT,
 127                     KASENNA_LONGTEXT, true )
 128             change_safe()
 129         add_bool(   "rtsp-wmserver", false, WMSERVER_TEXT,
 130                     WMSERVER_LONGTEXT, true)
 131             change_safe()
 132         add_string( "rtsp-user", NULL, USER_TEXT,
 133                     USER_LONGTEXT, true )
 134             change_safe()
 135         add_password( "rtsp-pwd", NULL, PASS_TEXT,
 136                       PASS_LONGTEXT, true )
 137             change_safe()
 138 vlc_module_end ()
 139
 140
 141 /*****************************************************************************
 142  * Local prototypes
 143  *****************************************************************************/
 144
 145 typedef struct
 146 {
 147     demux_t         *p_demux;
 148     MediaSubsession *sub;
 149
 150     es_format_t     fmt;
 151     es_out_id_t     *p_es;
 152
 153     bool            b_muxed;
 154     bool            b_quicktime;
 155     bool            b_asf;
 156     block_t         *p_asf_block;
 157     bool            b_discard_trunc;
 158     stream_t        *p_out_muxed;    /* for muxed stream */
 159
 160     uint8_t         *p_buffer;
 161     unsigned int    i_buffer;
 162
 163     bool            b_rtcp_sync;
 164     char            waiting;
 165     int64_t         i_pts;
 166     float           i_npt;
 167
 168 } live_track_t;
 169
 170 struct timeout_thread_t
 171 {
 172     demux_sys_t  *p_sys;
 173     vlc_thread_t handle;
 174     bool         b_handle_keep_alive;
 175 };
 176
 177 class RTSPClientVlc;
 178
 179 struct demux_sys_t
 180 {
 181     char            *p_sdp;    /* XXX mallocated */
 182     char            *psz_path; /* URL-encoded path */
 183     vlc_url_t       url;
 184
 185     MediaSession     *ms;
 186     TaskScheduler    *scheduler;
 187     UsageEnvironment *env ;
 188     RTSPClientVlc    *rtsp;
 189
 190     /* */
 191     int              i_track;
 192     live_track_t     **track;   /* XXX mallocated */
 193
 194     /* Weird formats */
 195     asf_header_t     asfh;
 196     stream_t         *p_out_asf;
 197     bool             b_real;
 198
 199     /* */
 200     int64_t          i_pcr; /* The clock */
 201     float            i_npt;
 202     float            i_npt_length;
 203     float            i_npt_start;
 204
 205     /* timeout thread information */
 206     int              i_timeout;     /* session timeout value in seconds */
 207     bool             b_timeout_call;/* mark to send an RTSP call to prevent server timeout */
 208     timeout_thread_t *p_timeout;    /* the actual thread that makes sure we don't timeout */
 209
 210     /* */
 211     bool             b_force_mcast;
 212     bool             b_multicast;   /* if one of the tracks is multicasted */
 213     bool             b_no_data;     /* if we never received any data */
 214     int              i_no_data_ti;  /* consecutive number of TaskInterrupt */
 215
 216     char             event_rtsp;
 217     char             event_data;
 218
 219     bool             b_get_param;   /* Does the server support GET_PARAMETER */
 220     bool             b_paused;      /* Are we paused? */
 221     bool             b_error;
 222     int              i_live555_ret; /* live555 callback return code */
 223
 224     float            f_seek_request;/* In case we receive a seek request while paused*/
 225 };
 226
 227
 228 class RTSPClientVlc : public RTSPClient
 229 {
 230 public:
 231     RTSPClientVlc( UsageEnvironment& env, char const* rtspURL, int verbosityLevel,
 232                    char const* applicationName, portNumBits tunnelOverHTTPPortNum,
 233                    demux_sys_t *p_sys) :
 234                    RTSPClient( env, rtspURL, verbosityLevel, applicationName,
 235                    tunnelOverHTTPPortNum )
 236     {
 237         this->p_sys = p_sys;
 238     }
 239     demux_sys_t *p_sys;
 240 };
 241
 242 static int Demux  ( demux_t * );
 243 static int Control( demux_t *, int, va_list );
 244
 245 static int Connect      ( demux_t * );
 246 static int SessionsSetup( demux_t * );
 247 static int Play         ( demux_t *);
 248 static int ParseASF     ( demux_t * );
 249 static int RollOverTcp  ( demux_t * );
 250
 251 static void StreamRead  ( void *, unsigned int, unsigned int,
 252                           struct timeval, unsigned int );
 253 static void StreamClose ( void * );
 254 static void TaskInterruptData( void * );
 255 static void TaskInterruptRTSP( void * );
 256
 257 static void* TimeoutPrevention( void * );
 258
 259 static unsigned char* parseH264ConfigStr( char const* configStr,
 260                                           unsigned int& configSize );
 261
 262 /*****************************************************************************
 263  * DemuxOpen:
 264  *****************************************************************************/
 265 static int  Open ( vlc_object_t *p_this )
 266 {
 267     demux_t     *p_demux = (demux_t*)p_this;
 268     demux_sys_t *p_sys = NULL;
 269
 270     int i_return;
 271     int i_error = VLC_EGENERIC;
 272
 273     if( p_demux->s )
 274     {
 275         /* See if it looks like a SDP
 276            v, o, s fields are mandatory and in this order */
 277         const uint8_t *p_peek;
 278         if( stream_Peek( p_demux->s, &p_peek, 7 ) < 7 ) return VLC_EGENERIC;
 279
 280         if( memcmp( p_peek, "v=0\r\n", 5 ) &&
 281             memcmp( p_peek, "v=0\n", 4 ) &&
 282             ( p_peek[0] < 'a' || p_peek[0] > 'z' || p_peek[1] != '=' ) )
 283         {
 284             return VLC_EGENERIC;
 285         }
 286     }
 287
 288     p_demux->pf_demux  = Demux;
 289     p_demux->pf_control= Control;
 290     p_demux->p_sys     = p_sys = (demux_sys_t*)malloc( sizeof( demux_sys_t ) );
 291     if( !p_sys ) return VLC_ENOMEM;
 292
 293     msg_Dbg( p_demux, "version "LIVEMEDIA_LIBRARY_VERSION_STRING );
 294
 295     p_sys->p_sdp = NULL;
 296     p_sys->scheduler = NULL;
 297     p_sys->env = NULL;
 298     p_sys->ms = NULL;
 299     p_sys->rtsp = NULL;
 300     p_sys->i_track = 0;
 301     p_sys->track   = NULL;
 302     p_sys->i_pcr = 0;
 303     p_sys->i_npt = 0.;
 304     p_sys->i_npt_start = 0.;
 305     p_sys->i_npt_length = 0.;
 306     p_sys->p_out_asf = NULL;
 307     p_sys->b_no_data = true;
 308     p_sys->i_no_data_ti = 0;
 309     p_sys->p_timeout = NULL;
 310     p_sys->i_timeout = 0;
 311     p_sys->b_timeout_call = false;
 312     p_sys->b_multicast = false;
 313     p_sys->b_real = false;
 314     p_sys->psz_path = strdup( p_demux->psz_location );
 315     p_sys->b_force_mcast = var_InheritBool( p_demux, "rtsp-mcast" );
 316     p_sys->b_get_param = false;
 317     p_sys->b_paused = false;
 318     p_sys->f_seek_request = -1;
 319     p_sys->b_error = false;
 320     p_sys->i_live555_ret = 0;
 321
 322     /* parse URL for rtsp://[user:[passwd]@]serverip:port/options */
 323     vlc_UrlParse( &p_sys->url, p_sys->psz_path, 0 );
 324
 325     if( ( p_sys->scheduler = BasicTaskScheduler::createNew() ) == NULL )
 326     {
 327         msg_Err( p_demux, "BasicTaskScheduler::createNew failed" );
 328         goto error;
 329     }
 330     if( !( p_sys->env = BasicUsageEnvironment::createNew(*p_sys->scheduler) ) )
 331     {
 332         msg_Err( p_demux, "BasicUsageEnvironment::createNew failed" );
 333         goto error;
 334     }
 335
 336     if( strcasecmp( p_demux->psz_access, "sdp" ) )
 337     {
 338         char *p = p_sys->psz_path;
 339         while( (p = strchr( p, ' ' )) != NULL ) *p = '+';
 340     }
 341
 342     if( p_demux->s != NULL )
 343     {
 344         /* Gather the complete sdp file */
 345         int     i_sdp       = 0;
 346         int     i_sdp_max   = 1000;
 347         uint8_t *p_sdp      = (uint8_t*) malloc( i_sdp_max );
 348
 349         if( !p_sdp )
 350         {
 351             i_error = VLC_ENOMEM;
 352             goto error;
 353         }
 354
 355         for( ;; )
 356         {
 357             int i_read = stream_Read( p_demux->s, &p_sdp[i_sdp],
 358                                       i_sdp_max - i_sdp - 1 );
 359
 360             if( !vlc_object_alive (p_demux) )
 361             {
 362                 free( p_sdp );
 363                 goto error;
 364             }
 365
 366             if( i_read < 0 )
 367             {
 368                 msg_Err( p_demux, "failed to read SDP" );
 369                 free( p_sdp );
 370                 goto error;
 371             }
 372
 373             i_sdp += i_read;
 374
 375             if( i_read < i_sdp_max - i_sdp - 1 )
 376             {
 377                 p_sdp[i_sdp] = '\0';
 378                 break;
 379             }
 380
 381             i_sdp_max += 1000;
 382             p_sdp = (uint8_t*)xrealloc( p_sdp, i_sdp_max );
 383         }
 384         p_sys->p_sdp = (char*)p_sdp;
 385     }
 386     else if( ( i_return = Connect( p_demux ) ) != VLC_SUCCESS )
 387     {
 388         msg_Err( p_demux, "Failed to connect with rtsp://%s", p_sys->psz_path );
 389         goto error;
 390     }
 391
 392     if( p_sys->p_sdp == NULL )
 393     {
 394         msg_Err( p_demux, "Failed to retrieve the RTSP Session Description" );
 395         i_error = VLC_ENOMEM;
 396         goto error;
 397     }
 398
 399     if( ( i_return = SessionsSetup( p_demux ) ) != VLC_SUCCESS )
 400     {
 401         msg_Err( p_demux, "Nothing to play for rtsp://%s", p_sys->psz_path );
 402         goto error;
 403     }
 404
 405     if( p_sys->b_real ) goto error;
 406
 407     if( ( i_return = Play( p_demux ) ) != VLC_SUCCESS )
 408         goto error;
 409
 410     if( p_sys->p_out_asf && ParseASF( p_demux ) )
 411     {
 412         msg_Err( p_demux, "cannot find a usable asf header" );
 413         /* TODO Clean tracks */
 414         goto error;
 415     }
 416
 417     if( p_sys->i_track <= 0 )
 418         goto error;
 419
 420     return VLC_SUCCESS;
 421
 422 error:
 423     Close( p_this );
 424     return i_error;
 425 }
 426
 427 /*****************************************************************************
 428  * DemuxClose:
 429  *****************************************************************************/
 430 static void Close( vlc_object_t *p_this )
 431 {
 432     demux_t *p_demux = (demux_t*)p_this;
 433     demux_sys_t *p_sys = p_demux->p_sys;
 434
 435     if( p_sys->p_timeout )
 436     {
 437         vlc_cancel( p_sys->p_timeout->handle );
 438         vlc_join( p_sys->p_timeout->handle, NULL );
 439         free( p_sys->p_timeout );
 440     }
 441
 442     if( p_sys->rtsp && p_sys->ms ) p_sys->rtsp->sendTeardownCommand( *p_sys->ms, NULL );
 443     if( p_sys->ms ) Medium::close( p_sys->ms );
 444     if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp );
 445     if( p_sys->env ) p_sys->env->reclaim();
 446
 447     for( int i = 0; i < p_sys->i_track; i++ )
 448     {
 449         live_track_t *tk = p_sys->track[i];
 450
 451         if( tk->b_muxed ) stream_Delete( tk->p_out_muxed );
 452         es_format_Clean( &tk->fmt );
 453         free( tk->p_buffer );
 454         free( tk );
 455     }
 456
 457     if( p_sys->i_track ) free( p_sys->track );
 458     if( p_sys->p_out_asf ) stream_Delete( p_sys->p_out_asf );
 459     delete p_sys->scheduler;
 460     free( p_sys->p_sdp );
 461     free( p_sys->psz_path );
 462
 463     vlc_UrlClean( &p_sys->url );
 464
 465     free( p_sys );
 466 }
 467
 468 static inline const char *strempty( const char *s ) { return s?s:""; }
 469 static inline Boolean toBool( bool b ) { return b?True:False; } // silly, no?
 470
 471 static void default_live555_callback( RTSPClient* client, int result_code, char* result_string )
 472 {
 473     RTSPClientVlc *client_vlc = static_cast<RTSPClientVlc *> ( client );
 474     demux_sys_t *p_sys = client_vlc->p_sys;
 475     delete []result_string;
 476     p_sys->i_live555_ret = result_code;
 477     p_sys->b_error = p_sys->i_live555_ret != 0;
 478     p_sys->event_rtsp = 1;
 479 }
 480
 481 /* return true if the RTSP command succeeded */
 482 static bool wait_Live555_response( demux_t *p_demux, int i_timeout = 0 /* ms */ )
 483 {
 484     TaskToken task;
 485     demux_sys_t * p_sys = p_demux->p_sys;
 486     p_sys->event_rtsp = 0;
 487     if( i_timeout > 0 )
 488     {
 489         /* Create a task that will be called if we wait more than timeout ms */
 490         task = p_sys->scheduler->scheduleDelayedTask( i_timeout*1000,
 491                                                       TaskInterruptRTSP,
 492                                                       p_demux );
 493     }
 494     p_sys->event_rtsp = 0;
 495     p_sys->b_error = true;
 496     p_sys->i_live555_ret = 0;
 497     p_sys->scheduler->doEventLoop( &p_sys->event_rtsp );
 498     //here, if b_error is true and i_live555_ret = 0 we didn't receive a response
 499     if( i_timeout > 0 )
 500     {
 501         /* remove the task */
 502         p_sys->scheduler->unscheduleDelayedTask( task );
 503     }
 504     return !p_sys->b_error;
 505 }
 506
 507 static void continueAfterDESCRIBE( RTSPClient* client, int result_code,
 508                                    char* result_string )
 509 {
 510     RTSPClientVlc *client_vlc = static_cast<RTSPClientVlc *> ( client );
 511     demux_sys_t *p_sys = client_vlc->p_sys;
 512     p_sys->i_live555_ret = result_code;
 513     if ( result_code == 0 )
 514     {
 515         char* sdpDescription = result_string;
 516         free( p_sys->p_sdp );
 517         p_sys->p_sdp = NULL;
 518         if( sdpDescription )
 519         {
 520             p_sys->p_sdp = strdup( sdpDescription );
 521             p_sys->b_error = false;
 522         }
 523     }
 524     else
 525         p_sys->b_error = true;
 526     delete[] result_string;
 527     p_sys->event_rtsp = 1;
 528 }
 529
 530 static void continueAfterOPTIONS( RTSPClient* client, int result_code,
 531                                   char* result_string )
 532 {
 533     RTSPClientVlc *client_vlc = static_cast<RTSPClientVlc *> (client);
 534     demux_sys_t *p_sys = client_vlc->p_sys;
 535     p_sys->i_live555_ret = result_code;
 536     if ( result_code != 0 )
 537     {
 538         p_sys->b_error = true;
 539         p_sys->event_rtsp = 1;
 540     }
 541     else
 542     {
 543         p_sys->b_get_param = result_string != NULL && strstr( result_string, "GET_PARAMETER" ) != NULL;
 544         client->sendDescribeCommand( continueAfterDESCRIBE );
 545     }
 546     delete[] result_string;
 547 }
 548
 549 /*****************************************************************************
 550  * Connect: connects to the RTSP server to setup the session DESCRIBE
 551  *****************************************************************************/
 552 static int Connect( demux_t *p_demux )
 553 {
 554     demux_sys_t *p_sys = p_demux->p_sys;
 555     Authenticator authenticator;
 556     char *psz_user    = NULL;
 557     char *psz_pwd     = NULL;
 558     char *psz_url     = NULL;
 559     int  i_http_port  = 0;
 560     int  i_ret        = VLC_SUCCESS;
 561     const int i_timeout = var_InheritInteger( p_demux, "ipv4-timeout" );
 562
 563     /* Get the user name and password */
 564     if( p_sys->url.psz_username || p_sys->url.psz_password )
 565     {
 566         /* Create the URL by stripping away the username/password part */
 567         if( p_sys->url.i_port == 0 )
 568             p_sys->url.i_port = 554;
 569         if( asprintf( &psz_url, "rtsp://%s:%d%s",
 570                       strempty( p_sys->url.psz_host ),
 571                       p_sys->url.i_port,
 572                       strempty( p_sys->url.psz_path ) ) == -1 )
 573             return VLC_ENOMEM;
 574
 575         psz_user = strdup( strempty( p_sys->url.psz_username ) );
 576         psz_pwd  = strdup( strempty( p_sys->url.psz_password ) );
 577     }
 578     else
 579     {
 580         if( asprintf( &psz_url, "rtsp://%s", p_sys->psz_path ) == -1 )
 581             return VLC_ENOMEM;
 582
 583         psz_user = var_InheritString( p_demux, "rtsp-user" );
 584         psz_pwd  = var_InheritString( p_demux, "rtsp-pwd" );
 585     }
 586
 587 createnew:
 588     if( !vlc_object_alive (p_demux) )
 589     {
 590         i_ret = VLC_EGENERIC;
 591         goto bailout;
 592     }
 593
 594     if( var_InheritBool( p_demux, "rtsp-http" ) )
 595         i_http_port = var_InheritInteger( p_demux, "rtsp-http-port" );
 596
 597     p_sys->rtsp = new RTSPClientVlc( *p_sys->env, psz_url,
 598                                      var_InheritInteger( p_demux, "verbose" ) > 1 ? 1 : 0,
 599                                      "LibVLC/"VERSION, i_http_port, p_sys );
 600     if( !p_sys->rtsp )
 601     {
 602         msg_Err( p_demux, "RTSPClient::createNew failed (%s)",
 603                  p_sys->env->getResultMsg() );
 604         i_ret = VLC_EGENERIC;
 605         goto bailout;
 606     }
 607
 608     /* Kasenna enables KeepAlive by analysing the User-Agent string.
 609      * Appending _KA to the string should be enough to enable this feature,
 610      * however, there is a bug where the _KA doesn't get parsed from the
 611      * default User-Agent as created by VLC/Live555 code. This is probably due
 612      * to spaces in the string or the string being too long. Here we override
 613      * the default string with a more compact version.
 614      */
 615     if( var_InheritBool( p_demux, "rtsp-kasenna" ))
 616     {
 617         p_sys->rtsp->setUserAgentString( "VLC_MEDIA_PLAYER_KA" );
 618     }
 619
 620 describe:
 621     authenticator.setUsernameAndPassword( psz_user, psz_pwd );
 622
 623     p_sys->rtsp->sendOptionsCommand( &continueAfterOPTIONS, &authenticator );
 624
 625     if( !wait_Live555_response( p_demux, i_timeout ) )
 626     {
 627         int i_code = p_sys->i_live555_ret;
 628         if( i_code == 401 )
 629         {
 630             msg_Dbg( p_demux, "authentication failed" );
 631
 632             free( psz_user );
 633             free( psz_pwd );
 634             dialog_Login( p_demux, &psz_user, &psz_pwd,
 635                           _("RTSP authentication"), "%s",
 636                         _("Please enter a valid login name and a password.") );
 637             if( psz_user != NULL && psz_pwd != NULL )
 638             {
 639                 msg_Dbg( p_demux, "retrying with user=%s", psz_user );
 640                 goto describe;
 641             }
 642         }
 643         else if( i_code > 0 && i_code != 404 && !var_GetBool( p_demux, "rtsp-http" ) )
 644         {
 645             /* Perhaps a firewall is being annoying. Try HTTP tunneling mode */
 646             msg_Dbg( p_demux, "we will now try HTTP tunneling mode" );
 647             var_SetBool( p_demux, "rtsp-http", true );
 648             if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp );
 649             p_sys->rtsp = NULL;
 650             goto createnew;
 651         }
 652         else
 653         {
 654             if( i_code == 0 )
 655                 msg_Dbg( p_demux, "connection timeout" );
 656             else
 657                 msg_Dbg( p_demux, "connection error %d", i_code );
 658             if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp );
 659             p_sys->rtsp = NULL;
 660         }
 661         i_ret = VLC_EGENERIC;
 662     }
 663
 664 bailout:
 665     /* malloc-ated copy */
 666     free( psz_url );
 667     free( psz_user );
 668     free( psz_pwd );
 669
 670     return i_ret;
 671 }
 672
 673 /*****************************************************************************
 674  * SessionsSetup: prepares the subsessions and does the SETUP
 675  *****************************************************************************/
 676 static int SessionsSetup( demux_t *p_demux )
 677 {
 678     demux_sys_t             *p_sys  = p_demux->p_sys;
 679     MediaSubsessionIterator *iter   = NULL;
 680     MediaSubsession         *sub    = NULL;
 681
 682     bool           b_rtsp_tcp = false;
 683     int            i_client_port;
 684     int            i_return = VLC_SUCCESS;
 685     unsigned int   i_buffer = 0;
 686     unsigned const thresh = 200000; /* RTP reorder threshold .2 second (default .1) */
 687
 688     b_rtsp_tcp    = var_CreateGetBool( p_demux, "rtsp-tcp" ) ||
 689                     var_InheritBool( p_demux, "rtsp-http" );
 690     i_client_port = var_InheritInteger( p_demux, "rtp-client-port" );
 691
 692     /* Create the session from the SDP */
 693     if( !( p_sys->ms = MediaSession::createNew( *p_sys->env, p_sys->p_sdp ) ) )
 694     {
 695         msg_Err( p_demux, "Could not create the RTSP Session: %s",
 696             p_sys->env->getResultMsg() );
 697         return VLC_EGENERIC;
 698     }
 699
 700     /* Initialise each media subsession */
 701     iter = new MediaSubsessionIterator( *p_sys->ms );
 702     while( ( sub = iter->next() ) != NULL )
 703     {
 704         Boolean bInit;
 705         live_track_t *tk;
 706
 707         if( !vlc_object_alive (p_demux) )
 708         {
 709             delete iter;
 710             return VLC_EGENERIC;
 711         }
 712
 713         /* Value taken from mplayer */
 714         if( !strcmp( sub->mediumName(), "audio" ) )
 715             i_buffer = 100000;
 716         else if( !strcmp( sub->mediumName(), "video" ) )
 717             i_buffer = 2000000;
 718         else if( !strcmp( sub->mediumName(), "text" ) )
 719             ;
 720         else continue;
 721
 722         if( i_client_port != -1 )
 723         {
 724             sub->setClientPortNum( i_client_port );
 725             i_client_port += 2;
 726         }
 727
 728         if( strcasestr( sub->codecName(), "REAL" ) )
 729         {
 730             msg_Info( p_demux, "real codec detected, using real-RTSP instead" );
 731             p_sys->b_real = true; /* This is a problem, we'll handle it later */
 732             continue;
 733         }
 734
 735         if( !strcmp( sub->codecName(), "X-ASF-PF" ) )
 736             bInit = sub->initiate( 0 );
 737         else
 738             bInit = sub->initiate();
 739
 740         if( !bInit )
 741         {
 742             msg_Warn( p_demux, "RTP subsession '%s/%s' failed (%s)",
 743                       sub->mediumName(), sub->codecName(),
 744                       p_sys->env->getResultMsg() );
 745         }
 746         else
 747         {
 748             if( sub->rtpSource() != NULL )
 749             {
 750                 int fd = sub->rtpSource()->RTPgs()->socketNum();
 751
 752                 /* Increase the buffer size */
 753                 if( i_buffer > 0 )
 754                     increaseReceiveBufferTo( *p_sys->env, fd, i_buffer );
 755
 756                 /* Increase the RTP reorder timebuffer just a bit */
 757                 sub->rtpSource()->setPacketReorderingThresholdTime(thresh);
 758             }
 759             msg_Dbg( p_demux, "RTP subsession '%s/%s'", sub->mediumName(),
 760                      sub->codecName() );
 761
 762             /* Issue the SETUP */
 763             if( p_sys->rtsp )
 764             {
 765                 p_sys->rtsp->sendSetupCommand( *sub, default_live555_callback, False,
 766                                                toBool( b_rtsp_tcp ),
 767                                                toBool( p_sys->b_force_mcast && !b_rtsp_tcp ) );
 768                 if( !wait_Live555_response( p_demux ) )
 769                 {
 770                     /* if we get an unsupported transport error, toggle TCP
 771                      * use and try again */
 772                     if( p_sys->i_live555_ret == 461 )
 773                         p_sys->rtsp->sendSetupCommand( *sub, default_live555_callback, False,
 774                                                        !toBool( b_rtsp_tcp ), False );
 775                     if( p_sys->i_live555_ret != 461 || !wait_Live555_response( p_demux ) )
 776                     {
 777                         msg_Err( p_demux, "SETUP of'%s/%s' failed %s",
 778                                  sub->mediumName(), sub->codecName(),
 779                                  p_sys->env->getResultMsg() );
 780                         continue;
 781                     }
 782                 }
 783             }
 784
 785             /* Check if we will receive data from this subsession for
 786              * this track */
 787             if( sub->readSource() == NULL ) continue;
 788             if( !p_sys->b_multicast )
 789             {
 790                 /* We need different rollover behaviour for multicast */
 791                 p_sys->b_multicast = IsMulticastAddress( sub->connectionEndpointAddress() );
 792             }
 793
 794             tk = (live_track_t*)malloc( sizeof( live_track_t ) );
 795             if( !tk )
 796             {
 797                 delete iter;
 798                 return VLC_ENOMEM;
 799             }
 800             tk->p_demux     = p_demux;
 801             tk->sub         = sub;
 802             tk->p_es        = NULL;
 803             tk->b_quicktime = false;
 804             tk->b_asf       = false;
 805             tk->p_asf_block = NULL;
 806             tk->b_muxed     = false;
 807             tk->b_discard_trunc = false;
 808             tk->p_out_muxed = NULL;
 809             tk->waiting     = 0;
 810             tk->b_rtcp_sync = false;
 811             tk->i_pts       = VLC_TS_INVALID;
 812             tk->i_npt       = 0.;
 813             tk->i_buffer    = 65536;
 814             tk->p_buffer    = (uint8_t *)malloc( 65536 );
 815             if( !tk->p_buffer )
 816             {
 817                 free( tk );
 818                 delete iter;
 819                 return VLC_ENOMEM;
 820             }
 821
 822             /* Value taken from mplayer */
 823             if( !strcmp( sub->mediumName(), "audio" ) )
 824             {
 825                 es_format_Init( &tk->fmt, AUDIO_ES, VLC_FOURCC('u','n','d','f') );
 826                 tk->fmt.audio.i_channels = sub->numChannels();
 827                 tk->fmt.audio.i_rate = sub->rtpTimestampFrequency();
 828
 829                 if( !strcmp( sub->codecName(), "MPA" ) ||
 830                     !strcmp( sub->codecName(), "MPA-ROBUST" ) ||
 831                     !strcmp( sub->codecName(), "X-MP3-DRAFT-00" ) )
 832                 {
 833                     tk->fmt.i_codec = VLC_CODEC_MPGA;
 834                     tk->fmt.audio.i_rate = 0;
 835                 }
 836                 else if( !strcmp( sub->codecName(), "AC3" ) )
 837                 {
 838                     tk->fmt.i_codec = VLC_CODEC_A52;
 839                     tk->fmt.audio.i_rate = 0;
 840                 }
 841                 else if( !strcmp( sub->codecName(), "L16" ) )
 842                 {
 843                     tk->fmt.i_codec = VLC_CODEC_S16B;
 844                     tk->fmt.audio.i_bitspersample = 16;
 845                 }
 846                 else if( !strcmp( sub->codecName(), "L20" ) )
 847                 {
 848                     tk->fmt.i_codec = VLC_CODEC_S20B;
 849                     tk->fmt.audio.i_bitspersample = 20;
 850                 }
 851                 else if( !strcmp( sub->codecName(), "L24" ) )
 852                 {
 853                     tk->fmt.i_codec = VLC_CODEC_S24B;
 854                     tk->fmt.audio.i_bitspersample = 24;
 855                 }
 856                 else if( !strcmp( sub->codecName(), "L8" ) )
 857                 {
 858                     tk->fmt.i_codec = VLC_CODEC_U8;
 859                     tk->fmt.audio.i_bitspersample = 8;
 860                 }
 861                 else if( !strcmp( sub->codecName(), "DAT12" ) )
 862                 {
 863                     tk->fmt.i_codec = VLC_CODEC_DAT12;
 864                     tk->fmt.audio.i_bitspersample = 12;
 865                 }
 866                 else if( !strcmp( sub->codecName(), "PCMU" ) )
 867                 {
 868                     tk->fmt.i_codec = VLC_CODEC_MULAW;
 869                     tk->fmt.audio.i_bitspersample = 8;
 870                 }
 871                 else if( !strcmp( sub->codecName(), "PCMA" ) )
 872                 {
 873                     tk->fmt.i_codec = VLC_CODEC_ALAW;
 874                     tk->fmt.audio.i_bitspersample = 8;
 875                 }
 876                 else if( !strncmp( sub->codecName(), "G726", 4 ) )
 877                 {
 878                     tk->fmt.i_codec = VLC_CODEC_ADPCM_G726;
 879                     tk->fmt.audio.i_rate = 8000;
 880                     tk->fmt.audio.i_channels = 1;
 881                     if( !strcmp( sub->codecName()+5, "40" ) )
 882                         tk->fmt.i_bitrate = 40000;
 883                     else if( !strcmp( sub->codecName()+5, "32" ) )
 884                         tk->fmt.i_bitrate = 32000;
 885                     else if( !strcmp( sub->codecName()+5, "24" ) )
 886                         tk->fmt.i_bitrate = 24000;
 887                     else if( !strcmp( sub->codecName()+5, "16" ) )
 888                         tk->fmt.i_bitrate = 16000;
 889                 }
 890                 else if( !strcmp( sub->codecName(), "AMR" ) )
 891                 {
 892                     tk->fmt.i_codec = VLC_CODEC_AMR_NB;
 893                 }
 894                 else if( !strcmp( sub->codecName(), "AMR-WB" ) )
 895                 {
 896                     tk->fmt.i_codec = VLC_CODEC_AMR_WB;
 897                 }
 898                 else if( !strcmp( sub->codecName(), "MP4A-LATM" ) )
 899                 {
 900                     unsigned int i_extra;
 901                     uint8_t      *p_extra;
 902
 903                     tk->fmt.i_codec = VLC_CODEC_MP4A;
 904
 905                     if( ( p_extra = parseStreamMuxConfigStr( sub->fmtp_config(),
 906                                                              i_extra ) ) )
 907                     {
 908                         tk->fmt.i_extra = i_extra;
 909                         tk->fmt.p_extra = xmalloc( i_extra );
 910                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
 911                         delete[] p_extra;
 912                     }
 913                     /* Because the "faad" decoder does not handle the LATM
 914                      * data length field at the start of each returned LATM
 915                      * frame, tell the RTP source to omit it. */
 916                     ((MPEG4LATMAudioRTPSource*)sub->rtpSource())->omitLATMDataLengthField();
 917                 }
 918                 else if( !strcmp( sub->codecName(), "MPEG4-GENERIC" ) )
 919                 {
 920                     unsigned int i_extra;
 921                     uint8_t      *p_extra;
 922
 923                     tk->fmt.i_codec = VLC_CODEC_MP4A;
 924
 925                     if( ( p_extra = parseGeneralConfigStr( sub->fmtp_config(),
 926                                                            i_extra ) ) )
 927                     {
 928                         tk->fmt.i_extra = i_extra;
 929                         tk->fmt.p_extra = xmalloc( i_extra );
 930                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
 931                         delete[] p_extra;
 932                     }
 933                 }
 934                 else if( !strcmp( sub->codecName(), "X-ASF-PF" ) )
 935                 {
 936                     tk->b_asf = true;
 937                     if( p_sys->p_out_asf == NULL )
 938                         p_sys->p_out_asf = stream_DemuxNew( p_demux, "asf",
 939                                                             p_demux->out );
 940                 }
 941                 else if( !strcmp( sub->codecName(), "X-QT" ) ||
 942                          !strcmp( sub->codecName(), "X-QUICKTIME" ) )
 943                 {
 944                     tk->b_quicktime = true;
 945                 }
 946                 else if( !strcmp( sub->codecName(), "SPEEX" ) )
 947                 {
 948                     tk->fmt.i_codec = VLC_FOURCC( 's', 'p', 'x', 'r' );
 949                     if ( sub->rtpTimestampFrequency() )
 950                         tk->fmt.audio.i_rate = sub->rtpTimestampFrequency();
 951                     else
 952                     {
 953                         msg_Warn( p_demux,"Using 8kHz as default sample rate." );
 954                         tk->fmt.audio.i_rate = 8000;
 955                     }
 956                 }
 957             }
 958             else if( !strcmp( sub->mediumName(), "video" ) )
 959             {
 960                 es_format_Init( &tk->fmt, VIDEO_ES, VLC_FOURCC('u','n','d','f') );
 961                 if( !strcmp( sub->codecName(), "MPV" ) )
 962                 {
 963                     tk->fmt.i_codec = VLC_CODEC_MPGV;
 964                     tk->fmt.b_packetized = false;
 965                 }
 966                 else if( !strcmp( sub->codecName(), "H263" ) ||
 967                          !strcmp( sub->codecName(), "H263-1998" ) ||
 968                          !strcmp( sub->codecName(), "H263-2000" ) )
 969                 {
 970                     tk->fmt.i_codec = VLC_CODEC_H263;
 971                 }
 972                 else if( !strcmp( sub->codecName(), "H261" ) )
 973                 {
 974                     tk->fmt.i_codec = VLC_CODEC_H261;
 975                 }
 976                 else if( !strcmp( sub->codecName(), "H264" ) )
 977                 {
 978                     unsigned int i_extra = 0;
 979                     uint8_t      *p_extra = NULL;
 980
 981                     tk->fmt.i_codec = VLC_CODEC_H264;
 982                     tk->fmt.b_packetized = false;
 983
 984                     if((p_extra=parseH264ConfigStr( sub->fmtp_spropparametersets(),
 985                                                     i_extra ) ) )
 986                     {
 987                         tk->fmt.i_extra = i_extra;
 988                         tk->fmt.p_extra = xmalloc( i_extra );
 989                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
 990
 991                         delete[] p_extra;
 992                     }
 993                 }
 994                 else if( !strcmp( sub->codecName(), "JPEG" ) )
 995                 {
 996                     tk->fmt.i_codec = VLC_CODEC_MJPG;
 997                 }
 998                 else if( !strcmp( sub->codecName(), "MP4V-ES" ) )
 999                 {
1000                     unsigned int i_extra;
1001                     uint8_t      *p_extra;
1002
1003                     tk->fmt.i_codec = VLC_CODEC_MP4V;
1004
1005                     if( ( p_extra = parseGeneralConfigStr( sub->fmtp_config(),
1006                                                            i_extra ) ) )
1007                     {
1008                         tk->fmt.i_extra = i_extra;
1009                         tk->fmt.p_extra = xmalloc( i_extra );
1010                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
1011                         delete[] p_extra;
1012                     }
1013                 }
1014                 else if( !strcmp( sub->codecName(), "X-QT" ) ||
1015                          !strcmp( sub->codecName(), "X-QUICKTIME" ) ||
1016                          !strcmp( sub->codecName(), "X-QDM" ) ||
1017                          !strcmp( sub->codecName(), "X-SV3V-ES" )  ||
1018                          !strcmp( sub->codecName(), "X-SORENSONVIDEO" ) )
1019                 {
1020                     tk->b_quicktime = true;
1021                 }
1022                 else if( !strcmp( sub->codecName(), "MP2T" ) )
1023                 {
1024                     tk->b_muxed = true;
1025                     tk->p_out_muxed = stream_DemuxNew( p_demux, "ts", p_demux->out );
1026                 }
1027                 else if( !strcmp( sub->codecName(), "MP2P" ) ||
1028                          !strcmp( sub->codecName(), "MP1S" ) )
1029                 {
1030                     tk->b_muxed = true;
1031                     tk->p_out_muxed = stream_DemuxNew( p_demux, "ps",
1032                                                        p_demux->out );
1033                 }
1034                 else if( !strcmp( sub->codecName(), "X-ASF-PF" ) )
1035                 {
1036                     tk->b_asf = true;
1037                     if( p_sys->p_out_asf == NULL )
1038                         p_sys->p_out_asf = stream_DemuxNew( p_demux, "asf",
1039                                                             p_demux->out );;
1040                 }
1041                 else if( !strcmp( sub->codecName(), "DV" ) )
1042                 {
1043                     tk->b_muxed = true;
1044                     tk->b_discard_trunc = true;
1045                     tk->p_out_muxed = stream_DemuxNew( p_demux, "rawdv",
1046                                                        p_demux->out );
1047                 }
1048             }
1049             else if( !strcmp( sub->mediumName(), "text" ) )
1050             {
1051                 es_format_Init( &tk->fmt, SPU_ES, VLC_FOURCC('u','n','d','f') );
1052
1053                 if( !strcmp( sub->codecName(), "T140" ) )
1054                 {
1055                     tk->fmt.i_codec = VLC_CODEC_ITU_T140;
1056                 }
1057             }
1058
1059             if( !tk->b_quicktime && !tk->b_muxed && !tk->b_asf )
1060             {
1061                 tk->p_es = es_out_Add( p_demux->out, &tk->fmt );
1062             }
1063
1064             if( sub->rtcpInstance() != NULL )
1065             {
1066                 sub->rtcpInstance()->setByeHandler( StreamClose, tk );
1067             }
1068
1069             if( tk->p_es || tk->b_quicktime || ( tk->b_muxed && tk->p_out_muxed ) ||
1070                 ( tk->b_asf && p_sys->p_out_asf ) )
1071             {
1072                 /* Append */
1073                 p_sys->track = (live_track_t**)xrealloc( p_sys->track,
1074                             sizeof( live_track_t ) * ( p_sys->i_track + 1 ) );
1075                 p_sys->track[p_sys->i_track++] = tk;
1076             }
1077             else
1078             {
1079                 /* BUG ??? */
1080                 msg_Err( p_demux, "unusable RTSP track. this should not happen" );
1081                 es_format_Clean( &tk->fmt );
1082                 free( tk );
1083             }
1084         }
1085     }
1086     delete iter;
1087     if( p_sys->i_track <= 0 ) i_return = VLC_EGENERIC;
1088
1089     /* Retrieve the starttime if possible */
1090     p_sys->i_npt_start = p_sys->ms->playStartTime();
1091
1092     /* Retrieve the duration if possible */
1093     p_sys->i_npt_length = p_sys->ms->playEndTime();
1094
1095     /* */
1096     msg_Dbg( p_demux, "setup start: %f stop:%f", p_sys->i_npt_start, p_sys->i_npt_length );
1097
1098     /* */
1099     p_sys->b_no_data = true;
1100     p_sys->i_no_data_ti = 0;
1101
1102     return i_return;
1103 }
1104
1105 /*****************************************************************************
1106  * Play: starts the actual playback of the stream
1107  *****************************************************************************/
1108 static int Play( demux_t *p_demux )
1109 {
1110     demux_sys_t *p_sys = p_demux->p_sys;
1111
1112     if( p_sys->rtsp )
1113     {
1114         /* The PLAY */
1115         p_sys->rtsp->sendPlayCommand( *p_sys->ms, default_live555_callback, p_sys->i_npt_start, -1, 1 );
1116
1117         if( !wait_Live555_response(p_demux) )
1118         {
1119             msg_Err( p_demux, "RTSP PLAY failed %s", p_sys->env->getResultMsg() );
1120             return VLC_EGENERIC;
1121         }
1122
1123         /* Retrieve the timeout value and set up a timeout prevention thread */
1124         p_sys->i_timeout = p_sys->rtsp->sessionTimeoutParameter();
1125         if( p_sys->i_timeout <= 0 )
1126             p_sys->i_timeout = 60; /* default value from RFC2326 */
1127
1128         /* start timeout-thread only if GET_PARAMETER is supported by the server */
1129         if( !p_sys->p_timeout && p_sys->b_get_param )
1130         {
1131             msg_Dbg( p_demux, "We have a timeout of %d seconds",  p_sys->i_timeout );
1132             p_sys->p_timeout = (timeout_thread_t *)malloc( sizeof(timeout_thread_t) );
1133             if( p_sys->p_timeout )
1134             {
1135                 memset( p_sys->p_timeout, 0, sizeof(timeout_thread_t) );
1136                 p_sys->p_timeout->p_sys = p_demux->p_sys; /* lol, object recursion :D */
1137                 if( vlc_clone( &p_sys->p_timeout->handle,  TimeoutPrevention,
1138                                p_sys->p_timeout, VLC_THREAD_PRIORITY_LOW ) )
1139                 {
1140                     msg_Err( p_demux, "cannot spawn liveMedia timeout thread" );
1141                     free( p_sys->p_timeout );
1142                     p_sys->p_timeout = NULL;
1143                 }
1144                 else
1145                     msg_Dbg( p_demux, "spawned timeout thread" );
1146             }
1147             else
1148                 msg_Err( p_demux, "cannot spawn liveMedia timeout thread" );
1149         }
1150     }
1151     p_sys->i_pcr = 0;
1152
1153     /* Retrieve the starttime if possible */
1154     p_sys->i_npt_start = p_sys->ms->playStartTime();
1155     if( p_sys->ms->playEndTime() > 0 )
1156         p_sys->i_npt_length = p_sys->ms->playEndTime();
1157
1158     msg_Dbg( p_demux, "play start: %f stop:%f", p_sys->i_npt_start, p_sys->i_npt_length );
1159     return VLC_SUCCESS;
1160 }
1161
1162
1163 /*****************************************************************************
1164  * Demux:
1165  *****************************************************************************/
1166 static int Demux( demux_t *p_demux )
1167 {
1168     demux_sys_t    *p_sys = p_demux->p_sys;
1169     TaskToken      task;
1170
1171     bool            b_send_pcr = true;
1172     int64_t         i_pcr = 0;
1173     int             i;
1174
1175     /* Check if we need to send the server a Keep-A-Live signal */
1176     if( p_sys->b_timeout_call && p_sys->rtsp && p_sys->ms )
1177     {
1178         char *psz_bye = NULL;
1179         p_sys->rtsp->sendGetParameterCommand( *p_sys->ms, NULL, psz_bye );
1180         p_sys->b_timeout_call = false;
1181     }
1182
1183     for( i = 0; i < p_sys->i_track; i++ )
1184     {
1185         live_track_t *tk = p_sys->track[i];
1186
1187         if( tk->b_asf || tk->b_muxed )
1188             b_send_pcr = false;
1189 #if 0
1190         if( i_pcr == 0 )
1191         {
1192             i_pcr = tk->i_pts;
1193         }
1194         else if( tk->i_pts != 0 && i_pcr > tk->i_pts )
1195         {
1196             i_pcr = tk->i_pts ;
1197         }
1198 #endif
1199     }
1200     if( p_sys->i_pcr > 0 )
1201     {
1202         if( b_send_pcr )
1203             es_out_Control( p_demux->out, ES_OUT_SET_PCR, 1 + p_sys->i_pcr );
1204     }
1205
1206     /* First warn we want to read data */
1207     p_sys->event_data = 0;
1208     for( i = 0; i < p_sys->i_track; i++ )
1209     {
1210         live_track_t *tk = p_sys->track[i];
1211
1212         if( tk->waiting == 0 )
1213         {
1214             tk->waiting = 1;
1215             tk->sub->readSource()->getNextFrame( tk->p_buffer, tk->i_buffer,
1216                                           StreamRead, tk, StreamClose, tk );
1217         }
1218     }
1219     /* Create a task that will be called if we wait more than 300ms */
1220     task = p_sys->scheduler->scheduleDelayedTask( 300000, TaskInterruptData, p_demux );
1221
1222     /* Do the read */
1223     p_sys->scheduler->doEventLoop( &p_sys->event_data );
1224
1225     /* remove the task */
1226     p_sys->scheduler->unscheduleDelayedTask( task );
1227
1228     /* Check for gap in pts value */
1229     for( i = 0; i < p_sys->i_track; i++ )
1230     {
1231         live_track_t *tk = p_sys->track[i];
1232
1233         if( !tk->b_muxed && !tk->b_rtcp_sync &&
1234             tk->sub->rtpSource() && tk->sub->rtpSource()->hasBeenSynchronizedUsingRTCP() )
1235         {
1236             msg_Dbg( p_demux, "tk->rtpSource->hasBeenSynchronizedUsingRTCP()" );
1237
1238             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
1239             tk->b_rtcp_sync = true;
1240             /* reset PCR */
1241             tk->i_pts = VLC_TS_INVALID;
1242             tk->i_npt = 0.;
1243             p_sys->i_pcr = 0;
1244             p_sys->i_npt = 0.;
1245             i_pcr = 0;
1246         }
1247     }
1248
1249     if( p_sys->b_multicast && p_sys->b_no_data &&
1250         ( p_sys->i_no_data_ti > 120 ) )
1251     {
1252         /* FIXME Make this configurable
1253         msg_Err( p_demux, "no multicast data received in 36s, aborting" );
1254         return 0;
1255         */
1256     }
1257     else if( !p_sys->b_multicast && !p_sys->b_paused &&
1258               p_sys->b_no_data && ( p_sys->i_no_data_ti > 34 ) )
1259     {
1260         bool b_rtsp_tcp = var_GetBool( p_demux, "rtsp-tcp" ) ||
1261                                 var_GetBool( p_demux, "rtsp-http" );
1262
1263         if( !b_rtsp_tcp && p_sys->rtsp && p_sys->ms )
1264         {
1265             msg_Warn( p_demux, "no data received in 10s. Switching to TCP" );
1266             if( RollOverTcp( p_demux ) )
1267             {
1268                 msg_Err( p_demux, "TCP rollover failed, aborting" );
1269                 return 0;
1270             }
1271             return 1;
1272         }
1273         msg_Err( p_demux, "no data received in 10s, aborting" );
1274         return 0;
1275     }
1276     else if( !p_sys->b_multicast && !p_sys->b_paused &&
1277              ( p_sys->i_no_data_ti > 34 ) )
1278     {
1279         /* EOF ? */
1280         msg_Warn( p_demux, "no data received in 10s, eof ?" );
1281         return 0;
1282     }
1283     return p_sys->b_error ? 0 : 1;
1284 }
1285
1286 /*****************************************************************************
1287  * Control:
1288  *****************************************************************************/
1289 static int Control( demux_t *p_demux, int i_query, va_list args )
1290 {
1291     demux_sys_t *p_sys = p_demux->p_sys;
1292     int64_t *pi64, i64;
1293     double  *pf, f;
1294     bool *pb, *pb2;
1295     int *pi_int;
1296
1297     switch( i_query )
1298     {
1299         case DEMUX_GET_TIME:
1300             pi64 = (int64_t*)va_arg( args, int64_t * );
1301             if( p_sys->i_npt > 0 )
1302             {
1303                 *pi64 = (int64_t)(p_sys->i_npt * 1000000.);
1304                 return VLC_SUCCESS;
1305             }
1306             return VLC_EGENERIC;
1307
1308         case DEMUX_GET_LENGTH:
1309             pi64 = (int64_t*)va_arg( args, int64_t * );
1310             if( p_sys->i_npt_length > 0 )
1311             {
1312                 *pi64 = (int64_t)((double)p_sys->i_npt_length * 1000000.0);
1313                 return VLC_SUCCESS;
1314             }
1315             return VLC_EGENERIC;
1316
1317         case DEMUX_GET_POSITION:
1318             pf = (double*)va_arg( args, double* );
1319             if( (p_sys->i_npt_length > 0) && (p_sys->i_npt > 0) )
1320             {
1321                 *pf = ( (double)p_sys->i_npt / (double)p_sys->i_npt_length );
1322                 return VLC_SUCCESS;
1323             }
1324             return VLC_EGENERIC;
1325
1326         case DEMUX_SET_POSITION:
1327         case DEMUX_SET_TIME:
1328             if( p_sys->rtsp && (p_sys->i_npt_length > 0) )
1329             {
1330                 int i;
1331                 float time;
1332
1333                 if( (i_query == DEMUX_SET_TIME) && (p_sys->i_npt > 0) )
1334                 {
1335                     i64 = (int64_t)va_arg( args, int64_t );
1336                     time = (float)((double)i64 / (double)1000000.0); /* in second */
1337                 }
1338                 else if( i_query == DEMUX_SET_TIME )
1339                     return VLC_EGENERIC;
1340                 else
1341                 {
1342                     f = (double)va_arg( args, double );
1343                     time = f * (double)p_sys->i_npt_length;   /* in second */
1344                 }
1345
1346                 if( p_sys->b_paused )
1347                 {
1348                     p_sys->f_seek_request = time;
1349                     return VLC_SUCCESS;
1350                 }
1351
1352                 p_sys->rtsp->sendPauseCommand( *p_sys->ms, default_live555_callback );
1353
1354                 if( !wait_Live555_response( p_demux ) )
1355                 {
1356                     msg_Err( p_demux, "PAUSE before seek failed %s",
1357                         p_sys->env->getResultMsg() );
1358                     return VLC_EGENERIC;
1359                 }
1360
1361                 p_sys->rtsp->sendPlayCommand( *p_sys->ms, default_live555_callback, time, -1, 1 );
1362
1363                 if( !wait_Live555_response( p_demux ) )
1364                 {
1365                     msg_Err( p_demux, "seek PLAY failed %s",
1366                         p_sys->env->getResultMsg() );
1367                     return VLC_EGENERIC;
1368                 }
1369                 p_sys->i_pcr = 0;
1370
1371                 /* Retrieve RTP-Info values */
1372                 for( i = 0; i < p_sys->i_track; i++ )
1373                 {
1374                     p_sys->track[i]->b_rtcp_sync = false;
1375                     p_sys->track[i]->i_pts = VLC_TS_INVALID;
1376                 }
1377
1378                 /* Retrieve the starttime if possible */
1379                 p_sys->i_npt = p_sys->i_npt_start = p_sys->ms->playStartTime();
1380
1381                 /* Retrieve the duration if possible */
1382                 if( p_sys->ms->playEndTime() > 0 )
1383                     p_sys->i_npt_length = p_sys->ms->playEndTime();
1384
1385                 msg_Dbg( p_demux, "seek start: %f stop:%f", p_sys->i_npt_start, p_sys->i_npt_length );
1386                 return VLC_SUCCESS;
1387             }
1388             return VLC_EGENERIC;
1389
1390         /* Special for access_demux */
1391         case DEMUX_CAN_PAUSE:
1392         case DEMUX_CAN_SEEK:
1393             pb = (bool*)va_arg( args, bool * );
1394             if( p_sys->rtsp && p_sys->i_npt_length > 0 )
1395                 /* Not always true, but will be handled in SET_PAUSE_STATE */
1396                 *pb = true;
1397             else
1398                 *pb = false;
1399             return VLC_SUCCESS;
1400
1401         case DEMUX_CAN_CONTROL_PACE:
1402             pb = (bool*)va_arg( args, bool * );
1403
1404 #if 1       /* Disable for now until we have a clock synchro algo
1405              * which works with something else than MPEG over UDP */
1406             *pb = false;
1407 #else
1408             *pb = true;
1409 #endif
1410             return VLC_SUCCESS;
1411
1412         case DEMUX_CAN_CONTROL_RATE:
1413             pb = (bool*)va_arg( args, bool * );
1414             pb2 = (bool*)va_arg( args, bool * );
1415
1416             *pb = (p_sys->rtsp != NULL) &&
1417                     (p_sys->i_npt_length > 0) &&
1418                     ( !var_GetBool( p_demux, "rtsp-kasenna" ) ||
1419                       !var_GetBool( p_demux, "rtsp-wmserver" ) );
1420             *pb2 = false;
1421             return VLC_SUCCESS;
1422
1423         case DEMUX_SET_RATE:
1424         {
1425             double f_scale, f_old_scale;
1426
1427             if( !p_sys->rtsp || (p_sys->i_npt_length <= 0) ||
1428                 var_GetBool( p_demux, "rtsp-kasenna" ) ||
1429                 var_GetBool( p_demux, "rtsp-wmserver" ) )
1430                 return VLC_EGENERIC;
1431
1432             /* According to RFC 2326 p56 chapter 12.35 a RTSP server that
1433              * supports Scale:
1434              *
1435              * "[...] should try to approximate the viewing rate, but
1436              *  may restrict the range of scale values that it supports.
1437              *  The response MUST contain the actual scale value chosen
1438              *  by the server."
1439              *
1440              * Scale = 1 indicates normal play
1441              * Scale > 1 indicates fast forward
1442              * Scale < 1 && Scale > 0 indicates slow motion
1443              * Scale < 0 value indicates rewind
1444              */
1445
1446             pi_int = (int*)va_arg( args, int * );
1447             f_scale = (double)INPUT_RATE_DEFAULT / (*pi_int);
1448             f_old_scale = p_sys->ms->scale();
1449
1450             /* Passing -1 for the start and end time will mean liveMedia won't
1451              * create a Range: section for the RTSP message. The server should
1452              * pick up from the current position */
1453             p_sys->rtsp->sendPlayCommand( *p_sys->ms, default_live555_callback, -1, -1, f_scale );
1454
1455             if( !wait_Live555_response( p_demux ) )
1456             {
1457                 msg_Err( p_demux, "PLAY with Scale %0.2f failed %s", f_scale,
1458                         p_sys->env->getResultMsg() );
1459                 return VLC_EGENERIC;
1460             }
1461
1462             if( p_sys->ms->scale() == f_old_scale )
1463             {
1464                 msg_Err( p_demux, "no scale change using old Scale %0.2f",
1465                           p_sys->ms->scale() );
1466                 return VLC_EGENERIC;
1467             }
1468
1469             /* ReSync the stream */
1470             p_sys->i_npt_start = 0;
1471             p_sys->i_pcr = 0;
1472             p_sys->i_npt = 0.0;
1473
1474             *pi_int = (int)( INPUT_RATE_DEFAULT / p_sys->ms->scale() );
1475             msg_Dbg( p_demux, "PLAY with new Scale %0.2f (%d)", p_sys->ms->scale(), (*pi_int) );
1476             return VLC_SUCCESS;
1477         }
1478
1479         case DEMUX_SET_PAUSE_STATE:
1480         {
1481             bool b_pause = (bool)va_arg( args, int );
1482             if( p_sys->rtsp == NULL )
1483                 return VLC_EGENERIC;
1484
1485             if( b_pause == p_sys->b_paused )
1486                 return VLC_SUCCESS;
1487             if( b_pause )
1488                 p_sys->rtsp->sendPauseCommand( *p_sys->ms, default_live555_callback );
1489             else
1490                 p_sys->rtsp->sendPlayCommand( *p_sys->ms, default_live555_callback, p_sys->f_seek_request,
1491                                               -1.0f, p_sys->ms->scale() );
1492
1493             if( !wait_Live555_response( p_demux ) )
1494             {
1495                 msg_Err( p_demux, "PLAY or PAUSE failed %s", p_sys->env->getResultMsg() );
1496                 return VLC_EGENERIC;
1497             }
1498             p_sys->f_seek_request = -1;
1499             p_sys->b_paused = b_pause;
1500
1501             /* When we Pause, we'll need the TimeoutPrevention thread to
1502              * handle sending the "Keep Alive" message to the server.
1503              * Unfortunately Live555 isn't thread safe and so can't
1504              * do this normally while the main Demux thread is handling
1505              * a live stream. We end up with the Timeout thread blocking
1506              * waiting for a response from the server. So when we PAUSE
1507              * we set a flag that the TimeoutPrevention function will check
1508              * and if it's set, it will trigger the GET_PARAMETER message */
1509             if( p_sys->b_paused && p_sys->p_timeout != NULL )
1510                 p_sys->p_timeout->b_handle_keep_alive = true;
1511             else if( !p_sys->b_paused && p_sys->p_timeout != NULL )
1512                 p_sys->p_timeout->b_handle_keep_alive = false;
1513
1514             if( !p_sys->b_paused )
1515             {
1516                 for( int i = 0; i < p_sys->i_track; i++ )
1517                 {
1518                     live_track_t *tk = p_sys->track[i];
1519                     tk->b_rtcp_sync = false;
1520                     tk->i_pts = VLC_TS_INVALID;
1521                     p_sys->i_pcr = 0;
1522                     es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
1523                 }
1524             }
1525
1526             /* Reset data received counter */
1527             p_sys->i_no_data_ti = 0;
1528
1529             /* Retrieve the starttime if possible */
1530             p_sys->i_npt_start = p_sys->ms->playStartTime();
1531
1532             /* Retrieve the duration if possible */
1533             if( p_sys->ms->playEndTime() )
1534                 p_sys->i_npt_length = p_sys->ms->playEndTime();
1535
1536             msg_Dbg( p_demux, "pause start: %f stop:%f", p_sys->i_npt_start, p_sys->i_npt_length );
1537             return VLC_SUCCESS;
1538         }
1539         case DEMUX_GET_TITLE_INFO:
1540         case DEMUX_SET_TITLE:
1541         case DEMUX_SET_SEEKPOINT:
1542             return VLC_EGENERIC;
1543
1544         case DEMUX_GET_PTS_DELAY:
1545             pi64 = (int64_t*)va_arg( args, int64_t * );
1546             *pi64 = INT64_C(1000)
1547                   * var_GetInteger( p_demux, "network-caching" );
1548             return VLC_SUCCESS;
1549
1550         default:
1551             return VLC_EGENERIC;
1552     }
1553 }
1554
1555 /*****************************************************************************
1556  * RollOverTcp: reopen the rtsp into TCP mode
1557  * XXX: ugly, a lot of code are duplicated from Open()
1558  * This should REALLY be fixed
1559  *****************************************************************************/
1560 static int RollOverTcp( demux_t *p_demux )
1561 {
1562     demux_sys_t *p_sys = p_demux->p_sys;
1563     int i, i_return;
1564
1565     var_SetBool( p_demux, "rtsp-tcp", true );
1566
1567     /* We close the old RTSP session */
1568     p_sys->rtsp->sendTeardownCommand( *p_sys->ms, NULL );
1569     Medium::close( p_sys->ms );
1570     RTSPClient::close( p_sys->rtsp );
1571
1572     for( i = 0; i < p_sys->i_track; i++ )
1573     {
1574         live_track_t *tk = p_sys->track[i];
1575
1576         if( tk->b_muxed ) stream_Delete( tk->p_out_muxed );
1577         if( tk->p_es ) es_out_Del( p_demux->out, tk->p_es );
1578         if( tk->p_asf_block ) block_Release( tk->p_asf_block );
1579         es_format_Clean( &tk->fmt );
1580         free( tk->p_buffer );
1581         free( tk );
1582     }
1583     if( p_sys->i_track ) free( p_sys->track );
1584     if( p_sys->p_out_asf ) stream_Delete( p_sys->p_out_asf );
1585
1586     p_sys->ms = NULL;
1587     p_sys->rtsp = NULL;
1588     p_sys->track = NULL;
1589     p_sys->i_track = 0;
1590     p_sys->b_no_data = true;
1591     p_sys->i_no_data_ti = 0;
1592     p_sys->p_out_asf = NULL;
1593
1594     /* Reopen rtsp client */
1595     if( ( i_return = Connect( p_demux ) ) != VLC_SUCCESS )
1596     {
1597         msg_Err( p_demux, "Failed to connect with rtsp://%s",
1598                  p_sys->psz_path );
1599         goto error;
1600     }
1601
1602     if( p_sys->p_sdp == NULL )
1603     {
1604         msg_Err( p_demux, "Failed to retrieve the RTSP Session Description" );
1605         goto error;
1606     }
1607
1608     if( ( i_return = SessionsSetup( p_demux ) ) != VLC_SUCCESS )
1609     {
1610         msg_Err( p_demux, "Nothing to play for rtsp://%s", p_sys->psz_path );
1611         goto error;
1612     }
1613
1614     if( ( i_return = Play( p_demux ) ) != VLC_SUCCESS )
1615         goto error;
1616
1617     return VLC_SUCCESS;
1618
1619 error:
1620     return VLC_EGENERIC;
1621 }
1622
1623
1624 /*****************************************************************************
1625  *
1626  *****************************************************************************/
1627 static block_t *StreamParseAsf( demux_t *p_demux, live_track_t *tk,
1628                                 bool b_marker,
1629                                 const uint8_t *p_data, unsigned i_size )
1630 {
1631     const unsigned i_packet_size = p_demux->p_sys->asfh.i_min_data_packet_size;
1632     block_t *p_list = NULL;
1633
1634     while( i_size >= 4 )
1635     {
1636         unsigned i_flags = p_data[0];
1637         unsigned i_length_offset = (p_data[1] << 16) |
1638                                    (p_data[2] <<  8) |
1639                                    (p_data[3]      );
1640         bool b_length = i_flags & 0x40;
1641         bool b_relative_ts = i_flags & 0x20;
1642         bool b_duration = i_flags & 0x10;
1643         bool b_location_id = i_flags & 0x08;
1644
1645         //msg_Dbg( p_demux, "ASF: marker=%d size=%d : %c=%d id=%d",
1646         //         b_marker, i_size, b_length ? 'L' : 'O', i_length_offset );
1647         unsigned i_header_size = 4;
1648         if( b_relative_ts )
1649             i_header_size += 4;
1650         if( b_duration )
1651             i_header_size += 4;
1652         if( b_location_id )
1653             i_header_size += 4;
1654
1655         if( i_header_size > i_size )
1656         {
1657             msg_Warn( p_demux, "Invalid header size" );
1658             break;
1659         }
1660
1661         /* XXX
1662          * When b_length is true, the streams I found do not seems to respect
1663          * the documentation.
1664          * From them, I have failed to find which choice between '__MIN()' or
1665          * 'i_length_offset - i_header_size' is the right one.
1666          */
1667         unsigned i_payload;
1668         if( b_length )
1669             i_payload = __MIN( i_length_offset, i_size - i_header_size);
1670         else
1671             i_payload = i_size - i_header_size;
1672
1673         if( !tk->p_asf_block )
1674         {
1675             tk->p_asf_block = block_New( p_demux, i_packet_size );
1676             if( !tk->p_asf_block )
1677                 break;
1678             tk->p_asf_block->i_buffer = 0;
1679         }
1680         unsigned i_offset  = b_length ? 0 : i_length_offset;
1681         if( i_offset == tk->p_asf_block->i_buffer && i_offset + i_payload <= i_packet_size )
1682         {
1683             memcpy( &tk->p_asf_block->p_buffer[i_offset], &p_data[i_header_size], i_payload );
1684             tk->p_asf_block->i_buffer += i_payload;
1685             if( b_marker )
1686             {
1687                 /* We have a complete packet */
1688                 tk->p_asf_block->i_buffer = i_packet_size;
1689                 block_ChainAppend( &p_list, tk->p_asf_block );
1690                 tk->p_asf_block = NULL;
1691             }
1692         }
1693         else
1694         {
1695             /* Reset on broken stream */
1696             msg_Err( p_demux, "Broken packet detected (%d vs %zu or %d + %d vs %d)",
1697                      i_offset, tk->p_asf_block->i_buffer, i_offset, i_payload, i_packet_size);
1698             tk->p_asf_block->i_buffer = 0;
1699         }
1700
1701         /* */
1702         p_data += i_header_size + i_payload;
1703         i_size -= i_header_size + i_payload;
1704     }
1705     return p_list;
1706 }
1707
1708 /*****************************************************************************
1709  *
1710  *****************************************************************************/
1711 static void StreamRead( void *p_private, unsigned int i_size,
1712                         unsigned int i_truncated_bytes, struct timeval pts,
1713                         unsigned int duration )
1714 {
1715     VLC_UNUSED( duration );
1716
1717     live_track_t   *tk = (live_track_t*)p_private;
1718     demux_t        *p_demux = tk->p_demux;
1719     demux_sys_t    *p_sys = p_demux->p_sys;
1720     block_t        *p_block;
1721
1722     //msg_Dbg( p_demux, "pts: %d", pts.tv_sec );
1723
1724     int64_t i_pts = (int64_t)pts.tv_sec * INT64_C(1000000) +
1725         (int64_t)pts.tv_usec;
1726
1727     /* XXX Beurk beurk beurk Avoid having negative value XXX */
1728     i_pts &= INT64_C(0x00ffffffffffffff);
1729
1730     /* Retrieve NPT for this pts */
1731     tk->i_npt = tk->sub->getNormalPlayTime(pts);
1732
1733     if( tk->b_quicktime && tk->p_es == NULL )
1734     {
1735         QuickTimeGenericRTPSource *qtRTPSource =
1736             (QuickTimeGenericRTPSource*)tk->sub->rtpSource();
1737         QuickTimeGenericRTPSource::QTState &qtState = qtRTPSource->qtState;
1738         uint8_t *sdAtom = (uint8_t*)&qtState.sdAtom[4];
1739
1740         if( tk->fmt.i_cat == VIDEO_ES ) {
1741             if( qtState.sdAtomSize < 16 + 32 )
1742             {
1743                 /* invalid */
1744                 p_sys->event_data = 0xff;
1745                 tk->waiting = 0;
1746                 return;
1747             }
1748             tk->fmt.i_codec = VLC_FOURCC(sdAtom[0],sdAtom[1],sdAtom[2],sdAtom[3]);
1749             tk->fmt.video.i_width  = (sdAtom[28] << 8) | sdAtom[29];
1750             tk->fmt.video.i_height = (sdAtom[30] << 8) | sdAtom[31];
1751
1752             if( tk->fmt.i_codec == VLC_FOURCC('a', 'v', 'c', '1') )
1753             {
1754                 uint8_t *pos = (uint8_t*)qtRTPSource->qtState.sdAtom + 86;
1755                 uint8_t *endpos = (uint8_t*)qtRTPSource->qtState.sdAtom
1756                                   + qtRTPSource->qtState.sdAtomSize;
1757                 while (pos+8 < endpos) {
1758                     unsigned int atomLength = pos[0]<<24 | pos[1]<<16 | pos[2]<<8 | pos[3];
1759                     if( atomLength == 0 || atomLength > (unsigned int)(endpos-pos)) break;
1760                     if( memcmp(pos+4, "avcC", 4) == 0 &&
1761                         atomLength > 8 &&
1762                         atomLength <= INT_MAX )
1763                     {
1764                         tk->fmt.i_extra = atomLength-8;
1765                         tk->fmt.p_extra = xmalloc( tk->fmt.i_extra );
1766                         memcpy(tk->fmt.p_extra, pos+8, atomLength-8);
1767                         break;
1768                     }
1769                     pos += atomLength;
1770                 }
1771             }
1772             else
1773             {
1774                 tk->fmt.i_extra        = qtState.sdAtomSize - 16;
1775                 tk->fmt.p_extra        = xmalloc( tk->fmt.i_extra );
1776                 memcpy( tk->fmt.p_extra, &sdAtom[12], tk->fmt.i_extra );
1777             }
1778         }
1779         else {
1780             if( qtState.sdAtomSize < 4 )
1781             {
1782                 /* invalid */
1783                 p_sys->event_data = 0xff;
1784                 tk->waiting = 0;
1785                 return;
1786             }
1787             tk->fmt.i_codec = VLC_FOURCC(sdAtom[0],sdAtom[1],sdAtom[2],sdAtom[3]);
1788         }
1789         tk->p_es = es_out_Add( p_demux->out, &tk->fmt );
1790     }
1791
1792 #if 0
1793     fprintf( stderr, "StreamRead size=%d pts=%lld\n",
1794              i_size,
1795              pts.tv_sec * 1000000LL + pts.tv_usec );
1796 #endif
1797
1798     /* grow buffer if it looks like buffer is too small, but don't eat
1799      * up all the memory on strange streams */
1800     if( i_truncated_bytes > 0 )
1801     {
1802         if( tk->i_buffer < 2000000 )
1803         {
1804             void *p_tmp;
1805             msg_Dbg( p_demux, "lost %d bytes", i_truncated_bytes );
1806             msg_Dbg( p_demux, "increasing buffer size to %d", tk->i_buffer * 2 );
1807             p_tmp = realloc( tk->p_buffer, tk->i_buffer * 2 );
1808             if( p_tmp == NULL )
1809             {
1810                 msg_Warn( p_demux, "realloc failed" );
1811             }
1812             else
1813             {
1814                 tk->p_buffer = (uint8_t*)p_tmp;
1815                 tk->i_buffer *= 2;
1816             }
1817         }
1818
1819         if( tk->b_discard_trunc )
1820         {
1821             p_sys->event_data = 0xff;
1822             tk->waiting = 0;
1823             return;
1824         }
1825     }
1826
1827     assert( i_size <= tk->i_buffer );
1828
1829     if( tk->fmt.i_codec == VLC_CODEC_AMR_NB ||
1830         tk->fmt.i_codec == VLC_CODEC_AMR_WB )
1831     {
1832         AMRAudioSource *amrSource = (AMRAudioSource*)tk->sub->readSource();
1833
1834         p_block = block_New( p_demux, i_size + 1 );
1835         p_block->p_buffer[0] = amrSource->lastFrameHeader();
1836         memcpy( p_block->p_buffer + 1, tk->p_buffer, i_size );
1837     }
1838     else if( tk->fmt.i_codec == VLC_CODEC_H261 )
1839     {
1840         H261VideoRTPSource *h261Source = (H261VideoRTPSource*)tk->sub->rtpSource();
1841         uint32_t header = h261Source->lastSpecialHeader();
1842         p_block = block_New( p_demux, i_size + 4 );
1843         memcpy( p_block->p_buffer, &header, 4 );
1844         memcpy( p_block->p_buffer + 4, tk->p_buffer, i_size );
1845
1846         if( tk->sub->rtpSource()->curPacketMarkerBit() )
1847             p_block->i_flags |= BLOCK_FLAG_END_OF_FRAME;
1848     }
1849     else if( tk->fmt.i_codec == VLC_CODEC_H264 )
1850     {
1851         if( (tk->p_buffer[0] & 0x1f) >= 24 )
1852             msg_Warn( p_demux, "unsupported NAL type for H264" );
1853
1854         /* Normal NAL type */
1855         p_block = block_New( p_demux, i_size + 4 );
1856         p_block->p_buffer[0] = 0x00;
1857         p_block->p_buffer[1] = 0x00;
1858         p_block->p_buffer[2] = 0x00;
1859         p_block->p_buffer[3] = 0x01;
1860         memcpy( &p_block->p_buffer[4], tk->p_buffer, i_size );
1861     }
1862     else if( tk->b_asf )
1863     {
1864         p_block = StreamParseAsf( p_demux, tk,
1865                                   tk->sub->rtpSource()->curPacketMarkerBit(),
1866                                   tk->p_buffer, i_size );
1867     }
1868     else
1869     {
1870         p_block = block_New( p_demux, i_size );
1871         memcpy( p_block->p_buffer, tk->p_buffer, i_size );
1872     }
1873
1874     if( p_sys->i_pcr < i_pts )
1875     {
1876         p_sys->i_pcr = i_pts;
1877     }
1878
1879     /* Update our global npt value */
1880     if( tk->i_npt > 0 && tk->i_npt > p_sys->i_npt &&
1881         ( tk->i_npt < p_sys->i_npt_length || p_sys->i_npt_length <= 0 ) )
1882         p_sys->i_npt = tk->i_npt;
1883
1884     if( p_block )
1885     {
1886         if( !tk->b_muxed && !tk->b_asf )
1887         {
1888             if( i_pts != tk->i_pts )
1889                 p_block->i_pts = VLC_TS_0 + i_pts;
1890             /*FIXME: for h264 you should check that packetization-mode=1 in sdp-file */
1891             p_block->i_dts = ( tk->fmt.i_codec == VLC_CODEC_MPGV ) ? VLC_TS_INVALID : (VLC_TS_0 + i_pts);
1892         }
1893
1894         if( tk->b_muxed )
1895             stream_DemuxSend( tk->p_out_muxed, p_block );
1896         else if( tk->b_asf )
1897             stream_DemuxSend( p_sys->p_out_asf, p_block );
1898         else
1899             es_out_Send( p_demux->out, tk->p_es, p_block );
1900     }
1901
1902     /* warn that's ok */
1903     p_sys->event_data = 0xff;
1904
1905     /* we have read data */
1906     tk->waiting = 0;
1907     p_demux->p_sys->b_no_data = false;
1908     p_demux->p_sys->i_no_data_ti = 0;
1909
1910     if( i_pts > 0 && !tk->b_muxed )
1911     {
1912         tk->i_pts = i_pts;
1913     }
1914 }
1915
1916 /*****************************************************************************
1917  *
1918  *****************************************************************************/
1919 static void StreamClose( void *p_private )
1920 {
1921     live_track_t   *tk = (live_track_t*)p_private;
1922     demux_t        *p_demux = tk->p_demux;
1923     demux_sys_t    *p_sys = p_demux->p_sys;
1924
1925     msg_Dbg( p_demux, "StreamClose" );
1926
1927     p_sys->event_rtsp = 0xff;
1928     p_sys->event_data = 0xff;
1929     p_sys->b_error = true;
1930 }
1931
1932
1933 /*****************************************************************************
1934  *
1935  *****************************************************************************/
1936 static void TaskInterruptRTSP( void *p_private )
1937 {
1938     demux_t *p_demux = (demux_t*)p_private;
1939
1940     /* Avoid lock */
1941     p_demux->p_sys->event_rtsp = 0xff;
1942 }
1943
1944 static void TaskInterruptData( void *p_private )
1945 {
1946     demux_t *p_demux = (demux_t*)p_private;
1947
1948     p_demux->p_sys->i_no_data_ti++;
1949
1950     /* Avoid lock */
1951     p_demux->p_sys->event_data = 0xff;
1952 }
1953
1954 /*****************************************************************************
1955  *
1956  *****************************************************************************/
1957 VLC_NORETURN
1958 static void* TimeoutPrevention( void *p_data )
1959 {
1960     timeout_thread_t *p_timeout = (timeout_thread_t *)p_data;
1961
1962     for( ;; )
1963     {
1964         /* Voodoo (= no) thread safety here! *Ahem* */
1965         if( p_timeout->b_handle_keep_alive )
1966         {
1967             char *psz_bye = NULL;
1968             int canc = vlc_savecancel ();
1969
1970             p_timeout->p_sys->rtsp->sendGetParameterCommand( *p_timeout->p_sys->ms, NULL, psz_bye );
1971             vlc_restorecancel (canc);
1972         }
1973         p_timeout->p_sys->b_timeout_call = !p_timeout->b_handle_keep_alive;
1974
1975         msleep (((int64_t)p_timeout->p_sys->i_timeout - 2) * CLOCK_FREQ);
1976     }
1977     assert(0); /* dead code */
1978 }
1979
1980 /*****************************************************************************
1981  *
1982  *****************************************************************************/
1983 static int ParseASF( demux_t *p_demux )
1984 {
1985     demux_sys_t    *p_sys = p_demux->p_sys;
1986
1987     const char *psz_marker = "a=pgmpu:data:application/vnd.ms.wms-hdr.asfv1;base64,";
1988     char *psz_asf = strcasestr( p_sys->p_sdp, psz_marker );
1989     char *psz_end;
1990     block_t *p_header;
1991
1992     /* Parse the asf header */
1993     if( psz_asf == NULL )
1994         return VLC_EGENERIC;
1995
1996     psz_asf += strlen( psz_marker );
1997     psz_asf = strdup( psz_asf );    /* Duplicate it */
1998     psz_end = strchr( psz_asf, '\n' );
1999
2000     while( psz_end > psz_asf && ( *psz_end == '\n' || *psz_end == '\r' ) )
2001         *psz_end-- = '\0';
2002
2003     if( psz_asf >= psz_end )
2004     {
2005         free( psz_asf );
2006         return VLC_EGENERIC;
2007     }
2008
2009     /* Always smaller */
2010     p_header = block_New( p_demux, psz_end - psz_asf );
2011     p_header->i_buffer = vlc_b64_decode_binary_to_buffer( p_header->p_buffer,
2012                                                p_header->i_buffer, psz_asf );
2013     //msg_Dbg( p_demux, "Size=%d Hdrb64=%s", p_header->i_buffer, psz_asf );
2014     if( p_header->i_buffer <= 0 )
2015     {
2016         free( psz_asf );
2017         return VLC_EGENERIC;
2018     }
2019
2020     /* Parse it to get packet size */
2021     asf_HeaderParse( &p_sys->asfh, p_header->p_buffer, p_header->i_buffer );
2022
2023     /* Send it to demuxer */
2024     stream_DemuxSend( p_sys->p_out_asf, p_header );
2025
2026     free( psz_asf );
2027     return VLC_SUCCESS;
2028 }
2029
2030
2031 static unsigned char* parseH264ConfigStr( char const* configStr,
2032                                           unsigned int& configSize )
2033 {
2034     char *dup, *psz;
2035     size_t i_records = 1;
2036
2037     configSize = 0;
2038
2039     if( configStr == NULL || *configStr == '\0' )
2040         return NULL;
2041
2042     psz = dup = strdup( configStr );
2043
2044     /* Count the number of commas */
2045     for( psz = dup; *psz != '\0'; ++psz )
2046     {
2047         if( *psz == ',')
2048         {
2049             ++i_records;
2050             *psz = '\0';
2051         }
2052     }
2053
2054     size_t configMax = 5*strlen(dup);
2055     unsigned char *cfg = new unsigned char[configMax];
2056     psz = dup;
2057     for( size_t i = 0; i < i_records; ++i )
2058     {
2059         cfg[configSize++] = 0x00;
2060         cfg[configSize++] = 0x00;
2061         cfg[configSize++] = 0x00;
2062         cfg[configSize++] = 0x01;
2063
2064         configSize += vlc_b64_decode_binary_to_buffer( cfg+configSize,
2065                                           configMax-configSize, psz );
2066         psz += strlen(psz)+1;
2067     }
2068
2069     free( dup );
2070     return cfg;
2071 }