git.sesse.net Git - vlc/blob - modules/access/live555.cpp

   1 /*****************************************************************************
   2  * live555.cpp : LIVE555 Streaming Media support.
   3  *****************************************************************************
   4  * Copyright (C) 2003-2007 VLC authors and VideoLAN
   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 it
  13  * under the terms of the GNU Lesser General Public License as published by
  14  * the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
  21  *
  22  * You should have received a copy of the GNU Lesser General Public License
  23  * along with this program; if not, write to the Free Software Foundation,
  24  * Inc., 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 #define __STDC_LIMIT_MACROS 1
  36
  37 #ifdef HAVE_CONFIG_H
  38 # include "config.h"
  39 #endif
  40
  41 #include <inttypes.h>
  42
  43 #include <vlc_common.h>
  44 #include <vlc_plugin.h>
  45 #include <vlc_input.h>
  46 #include <vlc_demux.h>
  47 #include <vlc_dialog.h>
  48 #include <vlc_url.h>
  49 #include <vlc_strings.h>
  50
  51 #include <limits.h>
  52 #include <assert.h>
  53
  54
  55 #if defined( WIN32 )
  56 #   include <winsock2.h>
  57 #endif
  58
  59 #include <UsageEnvironment.hh>
  60 #include <BasicUsageEnvironment.hh>
  61 #include <GroupsockHelper.hh>
  62 #include <liveMedia.hh>
  63 #include <liveMedia_version.hh>
  64 #include <Base64.hh>
  65
  66 extern "C" {
  67 #include "../access/mms/asf.h"  /* Who said ugly ? */
  68 }
  69
  70 using namespace std;
  71
  72 /*****************************************************************************
  73  * Module descriptor
  74  *****************************************************************************/
  75 static int  Open ( vlc_object_t * );
  76 static void Close( vlc_object_t * );
  77
  78 #define KASENNA_TEXT N_( "Kasenna RTSP dialect")
  79 #define KASENNA_LONGTEXT N_( "Kasenna servers use an old and nonstandard " \
  80     "dialect of RTSP. With this parameter VLC will try this dialect, but "\
  81     "then it cannot connect to normal RTSP servers." )
  82
  83 #define WMSERVER_TEXT N_("WMServer RTSP dialect")
  84 #define WMSERVER_LONGTEXT N_("WMServer uses a nonstandard dialect " \
  85     "of RTSP. Selecting this parameter will tell VLC to assume some " \
  86     "options contrary to RFC 2326 guidelines.")
  87
  88 #define USER_TEXT N_("RTSP user name")
  89 #define USER_LONGTEXT N_("Sets the username for the connection, " \
  90     "if no username or password are set in the url.")
  91 #define PASS_TEXT N_("RTSP password")
  92 #define PASS_LONGTEXT N_("Sets the password for the connection, " \
  93     "if no username or password are set in the url.")
  94 #define FRAME_BUFFER_SIZE_TEXT N_("RTSP frame buffer size")
  95 #define FRAME_BUFFER_SIZE_LONGTEXT N_("RTSP start frame buffer size of the video " \
  96     "track, can be increased in case of broken pictures due " \
  97     "to too small buffer.")
  98 #define DEFAULT_FRAME_BUFFER_SIZE 100000
  99
 100 vlc_module_begin ()
 101     set_description( N_("RTP/RTSP/SDP demuxer (using Live555)" ) )
 102     set_capability( "demux", 50 )
 103     set_shortname( "RTP/RTSP")
 104     set_callbacks( Open, Close )
 105     add_shortcut( "live", "livedotcom" )
 106     set_category( CAT_INPUT )
 107     set_subcategory( SUBCAT_INPUT_DEMUX )
 108
 109     add_submodule ()
 110         set_description( N_("RTSP/RTP access and demux") )
 111         add_shortcut( "rtsp", "pnm", "live", "livedotcom" )
 112         set_capability( "access_demux", 0 )
 113         set_callbacks( Open, Close )
 114         add_bool( "rtsp-tcp", false,
 115                   N_("Use RTP over RTSP (TCP)"),
 116                   N_("Use RTP over RTSP (TCP)"), true )
 117             change_safe()
 118         add_integer( "rtp-client-port", -1,
 119                   N_("Client port"),
 120                   N_("Port to use for the RTP source of the session"), true )
 121         add_bool( "rtsp-mcast", false,
 122                   N_("Force multicast RTP via RTSP"),
 123                   N_("Force multicast RTP via RTSP"), true )
 124             change_safe()
 125         add_bool( "rtsp-http", false,
 126                   N_("Tunnel RTSP and RTP over HTTP"),
 127                   N_("Tunnel RTSP and RTP over HTTP"), true )
 128             change_safe()
 129         add_integer( "rtsp-http-port", 80,
 130                   N_("HTTP tunnel port"),
 131                   N_("Port to use for tunneling the RTSP/RTP over HTTP."),
 132                   true )
 133         add_bool(   "rtsp-kasenna", false, KASENNA_TEXT,
 134                     KASENNA_LONGTEXT, true )
 135             change_safe()
 136         add_bool(   "rtsp-wmserver", false, WMSERVER_TEXT,
 137                     WMSERVER_LONGTEXT, true)
 138             change_safe()
 139         add_string( "rtsp-user", NULL, USER_TEXT,
 140                     USER_LONGTEXT, true )
 141             change_safe()
 142         add_password( "rtsp-pwd", NULL, PASS_TEXT,
 143                       PASS_LONGTEXT, true )
 144         add_integer( "rtsp-frame-buffer-size", DEFAULT_FRAME_BUFFER_SIZE,
 145                      FRAME_BUFFER_SIZE_TEXT, FRAME_BUFFER_SIZE_LONGTEXT,
 146                      true )
 147 vlc_module_end ()
 148
 149
 150 /*****************************************************************************
 151  * Local prototypes
 152  *****************************************************************************/
 153
 154 typedef struct
 155 {
 156     demux_t         *p_demux;
 157     MediaSubsession *sub;
 158
 159     es_format_t     fmt;
 160     es_out_id_t     *p_es;
 161
 162     bool            b_muxed;
 163     bool            b_quicktime;
 164     bool            b_asf;
 165     block_t         *p_asf_block;
 166     bool            b_discard_trunc;
 167     stream_t        *p_out_muxed;    /* for muxed stream */
 168
 169     uint8_t         *p_buffer;
 170     unsigned int    i_buffer;
 171
 172     bool            b_rtcp_sync;
 173     char            waiting;
 174     int64_t         i_pts;
 175     double          f_npt;
 176
 177     bool            b_selected;
 178
 179 } live_track_t;
 180
 181 struct timeout_thread_t
 182 {
 183     demux_sys_t  *p_sys;
 184     vlc_thread_t handle;
 185     bool         b_handle_keep_alive;
 186 };
 187
 188 class RTSPClientVlc;
 189
 190 struct demux_sys_t
 191 {
 192     char            *p_sdp;    /* XXX mallocated */
 193     char            *psz_path; /* URL-encoded path */
 194     vlc_url_t       url;
 195
 196     MediaSession     *ms;
 197     TaskScheduler    *scheduler;
 198     UsageEnvironment *env ;
 199     RTSPClientVlc    *rtsp;
 200
 201     /* */
 202     int              i_track;
 203     live_track_t     **track;
 204
 205     /* Weird formats */
 206     asf_header_t     asfh;
 207     stream_t         *p_out_asf;
 208     bool             b_real;
 209
 210     /* */
 211     int64_t          i_pcr; /* The clock */
 212     double           f_npt;
 213     double           f_npt_length;
 214     double           f_npt_start;
 215
 216     /* timeout thread information */
 217     int              i_timeout;     /* session timeout value in seconds */
 218     bool             b_timeout_call;/* mark to send an RTSP call to prevent server timeout */
 219     timeout_thread_t *p_timeout;    /* the actual thread that makes sure we don't timeout */
 220
 221     /* */
 222     bool             b_force_mcast;
 223     bool             b_multicast;   /* if one of the tracks is multicasted */
 224     bool             b_no_data;     /* if we never received any data */
 225     int              i_no_data_ti;  /* consecutive number of TaskInterrupt */
 226
 227     char             event_rtsp;
 228     char             event_data;
 229
 230     bool             b_get_param;   /* Does the server support GET_PARAMETER */
 231     bool             b_paused;      /* Are we paused? */
 232     bool             b_error;
 233     int              i_live555_ret; /* live555 callback return code */
 234
 235     float            f_seek_request;/* In case we receive a seek request while paused*/
 236 };
 237
 238
 239 class RTSPClientVlc : public RTSPClient
 240 {
 241 public:
 242     RTSPClientVlc( UsageEnvironment& env, char const* rtspURL, int verbosityLevel,
 243                    char const* applicationName, portNumBits tunnelOverHTTPPortNum,
 244                    demux_sys_t *p_sys) :
 245                    RTSPClient( env, rtspURL, verbosityLevel, applicationName,
 246                    tunnelOverHTTPPortNum )
 247     {
 248         this->p_sys = p_sys;
 249     }
 250     demux_sys_t *p_sys;
 251 };
 252
 253 static int Demux  ( demux_t * );
 254 static int Control( demux_t *, int, va_list );
 255
 256 static int Connect      ( demux_t * );
 257 static int SessionsSetup( demux_t * );
 258 static int Play         ( demux_t *);
 259 static int ParseASF     ( demux_t * );
 260 static int RollOverTcp  ( demux_t * );
 261
 262 static void StreamRead  ( void *, unsigned int, unsigned int,
 263                           struct timeval, unsigned int );
 264 static void StreamClose ( void * );
 265 static void TaskInterruptData( void * );
 266 static void TaskInterruptRTSP( void * );
 267
 268 static void* TimeoutPrevention( void * );
 269
 270 static unsigned char* parseH264ConfigStr( char const* configStr,
 271                                           unsigned int& configSize );
 272 static unsigned char* parseVorbisConfigStr( char const* configStr,
 273                                             unsigned int& configSize );
 274
 275 /*****************************************************************************
 276  * DemuxOpen:
 277  *****************************************************************************/
 278 static int  Open ( vlc_object_t *p_this )
 279 {
 280     demux_t     *p_demux = (demux_t*)p_this;
 281     demux_sys_t *p_sys = NULL;
 282
 283     int i_return;
 284     int i_error = VLC_EGENERIC;
 285
 286     if( p_demux->s )
 287     {
 288         /* See if it looks like a SDP
 289            v, o, s fields are mandatory and in this order */
 290         const uint8_t *p_peek;
 291         if( stream_Peek( p_demux->s, &p_peek, 7 ) < 7 ) return VLC_EGENERIC;
 292
 293         if( memcmp( p_peek, "v=0\r\n", 5 ) &&
 294             memcmp( p_peek, "v=0\n", 4 ) &&
 295             ( p_peek[0] < 'a' || p_peek[0] > 'z' || p_peek[1] != '=' ) )
 296         {
 297             return VLC_EGENERIC;
 298         }
 299     }
 300
 301     p_demux->pf_demux  = Demux;
 302     p_demux->pf_control= Control;
 303     p_demux->p_sys     = p_sys = (demux_sys_t*)calloc( 1, sizeof( demux_sys_t ) );
 304     if( !p_sys ) return VLC_ENOMEM;
 305
 306     msg_Dbg( p_demux, "version "LIVEMEDIA_LIBRARY_VERSION_STRING );
 307
 308     TAB_INIT( p_sys->i_track, p_sys->track );
 309     p_sys->f_npt = 0.;
 310     p_sys->f_npt_start = 0.;
 311     p_sys->f_npt_length = 0.;
 312     p_sys->b_no_data = true;
 313     p_sys->psz_path = strdup( p_demux->psz_location );
 314     p_sys->b_force_mcast = var_InheritBool( p_demux, "rtsp-mcast" );
 315     p_sys->f_seek_request = -1;
 316
 317     /* parse URL for rtsp://[user:[passwd]@]serverip:port/options */
 318     vlc_UrlParse( &p_sys->url, p_sys->psz_path, 0 );
 319
 320     if( ( p_sys->scheduler = BasicTaskScheduler::createNew() ) == NULL )
 321     {
 322         msg_Err( p_demux, "BasicTaskScheduler::createNew failed" );
 323         goto error;
 324     }
 325     if( !( p_sys->env = BasicUsageEnvironment::createNew(*p_sys->scheduler) ) )
 326     {
 327         msg_Err( p_demux, "BasicUsageEnvironment::createNew failed" );
 328         goto error;
 329     }
 330
 331     if( strcasecmp( p_demux->psz_access, "sdp" ) )
 332     {
 333         char *p = p_sys->psz_path;
 334         while( (p = strchr( p, ' ' )) != NULL ) *p = '+';
 335     }
 336
 337     if( p_demux->s != NULL )
 338     {
 339         /* Gather the complete sdp file */
 340         int     i_sdp       = 0;
 341         int     i_sdp_max   = 1000;
 342         uint8_t *p_sdp      = (uint8_t*) malloc( i_sdp_max );
 343
 344         if( !p_sdp )
 345         {
 346             i_error = VLC_ENOMEM;
 347             goto error;
 348         }
 349
 350         for( ;; )
 351         {
 352             int i_read = stream_Read( p_demux->s, &p_sdp[i_sdp],
 353                                       i_sdp_max - i_sdp - 1 );
 354
 355             if( !vlc_object_alive (p_demux) )
 356             {
 357                 free( p_sdp );
 358                 goto error;
 359             }
 360
 361             if( i_read < 0 )
 362             {
 363                 msg_Err( p_demux, "failed to read SDP" );
 364                 free( p_sdp );
 365                 goto error;
 366             }
 367
 368             i_sdp += i_read;
 369
 370             if( i_read < i_sdp_max - i_sdp - 1 )
 371             {
 372                 p_sdp[i_sdp] = '\0';
 373                 break;
 374             }
 375
 376             i_sdp_max += 1000;
 377             p_sdp = (uint8_t*)xrealloc( p_sdp, i_sdp_max );
 378         }
 379         p_sys->p_sdp = (char*)p_sdp;
 380     }
 381     else if( ( i_return = Connect( p_demux ) ) != VLC_SUCCESS )
 382     {
 383         msg_Err( p_demux, "Failed to connect with rtsp://%s", p_sys->psz_path );
 384         goto error;
 385     }
 386
 387     if( p_sys->p_sdp == NULL )
 388     {
 389         msg_Err( p_demux, "Failed to retrieve the RTSP Session Description" );
 390         i_error = VLC_ENOMEM;
 391         goto error;
 392     }
 393
 394     if( ( i_return = SessionsSetup( p_demux ) ) != VLC_SUCCESS )
 395     {
 396         msg_Err( p_demux, "Nothing to play for rtsp://%s", p_sys->psz_path );
 397         goto error;
 398     }
 399
 400     if( p_sys->b_real ) goto error;
 401
 402     if( ( i_return = Play( p_demux ) ) != VLC_SUCCESS )
 403         goto error;
 404
 405     if( p_sys->p_out_asf && ParseASF( p_demux ) )
 406     {
 407         msg_Err( p_demux, "cannot find a usable asf header" );
 408         /* TODO Clean tracks */
 409         goto error;
 410     }
 411
 412     if( p_sys->i_track <= 0 )
 413         goto error;
 414
 415     return VLC_SUCCESS;
 416
 417 error:
 418     Close( p_this );
 419     return i_error;
 420 }
 421
 422 /*****************************************************************************
 423  * DemuxClose:
 424  *****************************************************************************/
 425 static void Close( vlc_object_t *p_this )
 426 {
 427     demux_t *p_demux = (demux_t*)p_this;
 428     demux_sys_t *p_sys = p_demux->p_sys;
 429
 430     if( p_sys->p_timeout )
 431     {
 432         vlc_cancel( p_sys->p_timeout->handle );
 433         vlc_join( p_sys->p_timeout->handle, NULL );
 434         free( p_sys->p_timeout );
 435     }
 436
 437     if( p_sys->rtsp && p_sys->ms ) p_sys->rtsp->sendTeardownCommand( *p_sys->ms, NULL );
 438     if( p_sys->ms ) Medium::close( p_sys->ms );
 439     if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp );
 440     if( p_sys->env ) p_sys->env->reclaim();
 441
 442     for( int i = 0; i < p_sys->i_track; i++ )
 443     {
 444         live_track_t *tk = p_sys->track[i];
 445
 446         if( tk->b_muxed ) stream_Delete( tk->p_out_muxed );
 447         es_format_Clean( &tk->fmt );
 448         free( tk->p_buffer );
 449         free( tk );
 450     }
 451     TAB_CLEAN( p_sys->i_track, p_sys->track );
 452     if( p_sys->p_out_asf ) stream_Delete( p_sys->p_out_asf );
 453     delete p_sys->scheduler;
 454     free( p_sys->p_sdp );
 455     free( p_sys->psz_path );
 456
 457     vlc_UrlClean( &p_sys->url );
 458
 459     free( p_sys );
 460 }
 461
 462 static inline const char *strempty( const char *s ) { return s?s:""; }
 463 static inline Boolean toBool( bool b ) { return b?True:False; } // silly, no?
 464
 465 static void default_live555_callback( RTSPClient* client, int result_code, char* result_string )
 466 {
 467     RTSPClientVlc *client_vlc = static_cast<RTSPClientVlc *> ( client );
 468     demux_sys_t *p_sys = client_vlc->p_sys;
 469     delete []result_string;
 470     p_sys->i_live555_ret = result_code;
 471     p_sys->b_error = p_sys->i_live555_ret != 0;
 472     p_sys->event_rtsp = 1;
 473 }
 474
 475 /* return true if the RTSP command succeeded */
 476 static bool wait_Live555_response( demux_t *p_demux, int i_timeout = 0 /* ms */ )
 477 {
 478     TaskToken task;
 479     demux_sys_t * p_sys = p_demux->p_sys;
 480     p_sys->event_rtsp = 0;
 481     if( i_timeout > 0 )
 482     {
 483         /* Create a task that will be called if we wait more than timeout ms */
 484         task = p_sys->scheduler->scheduleDelayedTask( i_timeout*1000,
 485                                                       TaskInterruptRTSP,
 486                                                       p_demux );
 487     }
 488     p_sys->event_rtsp = 0;
 489     p_sys->b_error = true;
 490     p_sys->i_live555_ret = 0;
 491     p_sys->scheduler->doEventLoop( &p_sys->event_rtsp );
 492     //here, if b_error is true and i_live555_ret = 0 we didn't receive a response
 493     if( i_timeout > 0 )
 494     {
 495         /* remove the task */
 496         p_sys->scheduler->unscheduleDelayedTask( task );
 497     }
 498     return !p_sys->b_error;
 499 }
 500
 501 static void continueAfterDESCRIBE( RTSPClient* client, int result_code,
 502                                    char* result_string )
 503 {
 504     RTSPClientVlc *client_vlc = static_cast<RTSPClientVlc *> ( client );
 505     demux_sys_t *p_sys = client_vlc->p_sys;
 506     p_sys->i_live555_ret = result_code;
 507     if ( result_code == 0 )
 508     {
 509         char* sdpDescription = result_string;
 510         free( p_sys->p_sdp );
 511         p_sys->p_sdp = NULL;
 512         if( sdpDescription )
 513         {
 514             p_sys->p_sdp = strdup( sdpDescription );
 515             p_sys->b_error = false;
 516         }
 517     }
 518     else
 519         p_sys->b_error = true;
 520     delete[] result_string;
 521     p_sys->event_rtsp = 1;
 522 }
 523
 524 static void continueAfterOPTIONS( RTSPClient* client, int result_code,
 525                                   char* result_string )
 526 {
 527     RTSPClientVlc *client_vlc = static_cast<RTSPClientVlc *> (client);
 528     demux_sys_t *p_sys = client_vlc->p_sys;
 529     p_sys->b_get_param =
 530       // If OPTIONS fails, assume GET_PARAMETER is not supported but
 531       // still continue on with the stream.  Some servers (foscam)
 532       // return 501/not implemented for OPTIONS.
 533       result_code == 0
 534       && result_string != NULL
 535       && strstr( result_string, "GET_PARAMETER" ) != NULL;
 536     client->sendDescribeCommand( continueAfterDESCRIBE );
 537     delete[] result_string;
 538 }
 539
 540 /*****************************************************************************
 541  * Connect: connects to the RTSP server to setup the session DESCRIBE
 542  *****************************************************************************/
 543 static int Connect( demux_t *p_demux )
 544 {
 545     demux_sys_t *p_sys = p_demux->p_sys;
 546     Authenticator authenticator;
 547     char *psz_user    = NULL;
 548     char *psz_pwd     = NULL;
 549     char *psz_url     = NULL;
 550     int  i_http_port  = 0;
 551     int  i_ret        = VLC_SUCCESS;
 552     const int i_timeout = var_InheritInteger( p_demux, "ipv4-timeout" );
 553
 554     /* Get the user name and password */
 555     if( p_sys->url.psz_username || p_sys->url.psz_password )
 556     {
 557         /* Create the URL by stripping away the username/password part */
 558         if( p_sys->url.i_port == 0 )
 559             p_sys->url.i_port = 554;
 560         if( asprintf( &psz_url, "rtsp://%s:%d%s",
 561                       strempty( p_sys->url.psz_host ),
 562                       p_sys->url.i_port,
 563                       strempty( p_sys->url.psz_path ) ) == -1 )
 564             return VLC_ENOMEM;
 565
 566         psz_user = strdup( strempty( p_sys->url.psz_username ) );
 567         psz_pwd  = strdup( strempty( p_sys->url.psz_password ) );
 568     }
 569     else
 570     {
 571         if( asprintf( &psz_url, "rtsp://%s", p_sys->psz_path ) == -1 )
 572             return VLC_ENOMEM;
 573
 574         psz_user = var_InheritString( p_demux, "rtsp-user" );
 575         psz_pwd  = var_InheritString( p_demux, "rtsp-pwd" );
 576     }
 577
 578 createnew:
 579     if( !vlc_object_alive (p_demux) )
 580     {
 581         i_ret = VLC_EGENERIC;
 582         goto bailout;
 583     }
 584
 585     if( var_CreateGetBool( p_demux, "rtsp-http" ) )
 586         i_http_port = var_InheritInteger( p_demux, "rtsp-http-port" );
 587
 588     p_sys->rtsp = new RTSPClientVlc( *p_sys->env, psz_url,
 589                                      var_InheritInteger( p_demux, "verbose" ) > 1 ? 1 : 0,
 590                                      "LibVLC/"VERSION, i_http_port, p_sys );
 591     if( !p_sys->rtsp )
 592     {
 593         msg_Err( p_demux, "RTSPClient::createNew failed (%s)",
 594                  p_sys->env->getResultMsg() );
 595         i_ret = VLC_EGENERIC;
 596         goto bailout;
 597     }
 598
 599     /* Kasenna enables KeepAlive by analysing the User-Agent string.
 600      * Appending _KA to the string should be enough to enable this feature,
 601      * however, there is a bug where the _KA doesn't get parsed from the
 602      * default User-Agent as created by VLC/Live555 code. This is probably due
 603      * to spaces in the string or the string being too long. Here we override
 604      * the default string with a more compact version.
 605      */
 606     if( var_InheritBool( p_demux, "rtsp-kasenna" ))
 607     {
 608         p_sys->rtsp->setUserAgentString( "VLC_MEDIA_PLAYER_KA" );
 609     }
 610
 611 describe:
 612     authenticator.setUsernameAndPassword( psz_user, psz_pwd );
 613
 614     p_sys->rtsp->sendOptionsCommand( &continueAfterOPTIONS, &authenticator );
 615
 616     if( !wait_Live555_response( p_demux, i_timeout ) )
 617     {
 618         int i_code = p_sys->i_live555_ret;
 619         if( i_code == 401 )
 620         {
 621             msg_Dbg( p_demux, "authentication failed" );
 622
 623             free( psz_user );
 624             free( psz_pwd );
 625             dialog_Login( p_demux, &psz_user, &psz_pwd,
 626                           _("RTSP authentication"), "%s",
 627                         _("Please enter a valid login name and a password.") );
 628             if( psz_user != NULL && psz_pwd != NULL )
 629             {
 630                 msg_Dbg( p_demux, "retrying with user=%s", psz_user );
 631                 goto describe;
 632             }
 633         }
 634         else if( i_code > 0 && i_code != 404 && !var_GetBool( p_demux, "rtsp-http" ) )
 635         {
 636             /* Perhaps a firewall is being annoying. Try HTTP tunneling mode */
 637             msg_Dbg( p_demux, "we will now try HTTP tunneling mode" );
 638             var_SetBool( p_demux, "rtsp-http", true );
 639             if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp );
 640             p_sys->rtsp = NULL;
 641             goto createnew;
 642         }
 643         else
 644         {
 645             if( i_code == 0 )
 646                 msg_Dbg( p_demux, "connection timeout" );
 647             else
 648             {
 649                 msg_Dbg( p_demux, "connection error %d", i_code );
 650                 if( i_code == 403 )
 651                     dialog_Fatal( p_demux, _("RTSP connection failed"),
 652                                   _("Access to the stream is denied by the server configuration.") );
 653             }
 654             if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp );
 655             p_sys->rtsp = NULL;
 656         }
 657         i_ret = VLC_EGENERIC;
 658     }
 659
 660 bailout:
 661     /* malloc-ated copy */
 662     free( psz_url );
 663     free( psz_user );
 664     free( psz_pwd );
 665
 666     return i_ret;
 667 }
 668
 669 /*****************************************************************************
 670  * SessionsSetup: prepares the subsessions and does the SETUP
 671  *****************************************************************************/
 672 static int SessionsSetup( demux_t *p_demux )
 673 {
 674     demux_sys_t             *p_sys  = p_demux->p_sys;
 675     MediaSubsessionIterator *iter   = NULL;
 676     MediaSubsession         *sub    = NULL;
 677
 678     bool           b_rtsp_tcp;
 679     int            i_client_port;
 680     int            i_return = VLC_SUCCESS;
 681     unsigned int   i_receive_buffer = 0;
 682     int            i_frame_buffer = DEFAULT_FRAME_BUFFER_SIZE;
 683     unsigned const thresh = 200000; /* RTP reorder threshold .2 second (default .1) */
 684
 685     b_rtsp_tcp    = var_CreateGetBool( p_demux, "rtsp-tcp" ) ||
 686                     var_GetBool( p_demux, "rtsp-http" );
 687     i_client_port = var_InheritInteger( p_demux, "rtp-client-port" );
 688
 689
 690     /* Create the session from the SDP */
 691     if( !( p_sys->ms = MediaSession::createNew( *p_sys->env, p_sys->p_sdp ) ) )
 692     {
 693         msg_Err( p_demux, "Could not create the RTSP Session: %s",
 694             p_sys->env->getResultMsg() );
 695         return VLC_EGENERIC;
 696     }
 697
 698     /* Initialise each media subsession */
 699     iter = new MediaSubsessionIterator( *p_sys->ms );
 700     while( ( sub = iter->next() ) != NULL )
 701     {
 702         Boolean bInit;
 703         live_track_t *tk;
 704
 705         if( !vlc_object_alive (p_demux) )
 706         {
 707             delete iter;
 708             return VLC_EGENERIC;
 709         }
 710
 711         /* Value taken from mplayer */
 712         if( !strcmp( sub->mediumName(), "audio" ) )
 713             i_receive_buffer = 100000;
 714         else if( !strcmp( sub->mediumName(), "video" ) )
 715         {
 716             int i_var_buf_size = var_InheritInteger( p_demux, "rtsp-frame-buffer-size" );
 717             if( i_var_buf_size > 0 )
 718                 i_frame_buffer = i_var_buf_size;
 719             i_receive_buffer = 2000000;
 720         }
 721         else if( !strcmp( sub->mediumName(), "text" ) )
 722             ;
 723         else continue;
 724
 725         if( i_client_port != -1 )
 726         {
 727             sub->setClientPortNum( i_client_port );
 728             i_client_port += 2;
 729         }
 730
 731         if( strcasestr( sub->codecName(), "REAL" ) )
 732         {
 733             msg_Info( p_demux, "real codec detected, using real-RTSP instead" );
 734             p_sys->b_real = true; /* This is a problem, we'll handle it later */
 735             continue;
 736         }
 737
 738         if( !strcmp( sub->codecName(), "X-ASF-PF" ) )
 739             bInit = sub->initiate( 0 );
 740         else
 741             bInit = sub->initiate();
 742
 743         if( !bInit )
 744         {
 745             msg_Warn( p_demux, "RTP subsession '%s/%s' failed (%s)",
 746                       sub->mediumName(), sub->codecName(),
 747                       p_sys->env->getResultMsg() );
 748         }
 749         else
 750         {
 751             if( sub->rtpSource() != NULL )
 752             {
 753                 int fd = sub->rtpSource()->RTPgs()->socketNum();
 754
 755                 /* Increase the buffer size */
 756                 if( i_receive_buffer > 0 )
 757                     increaseReceiveBufferTo( *p_sys->env, fd, i_receive_buffer );
 758
 759                 /* Increase the RTP reorder timebuffer just a bit */
 760                 sub->rtpSource()->setPacketReorderingThresholdTime(thresh);
 761             }
 762             msg_Dbg( p_demux, "RTP subsession '%s/%s'", sub->mediumName(),
 763                      sub->codecName() );
 764
 765             /* Issue the SETUP */
 766             if( p_sys->rtsp )
 767             {
 768                 p_sys->rtsp->sendSetupCommand( *sub, default_live555_callback, False,
 769                                                toBool( b_rtsp_tcp ),
 770                                                toBool( p_sys->b_force_mcast && !b_rtsp_tcp ) );
 771                 if( !wait_Live555_response( p_demux ) )
 772                 {
 773                     /* if we get an unsupported transport error, toggle TCP
 774                      * use and try again */
 775                     if( p_sys->i_live555_ret == 461 )
 776                         p_sys->rtsp->sendSetupCommand( *sub, default_live555_callback, False,
 777                                                        !toBool( b_rtsp_tcp ), False );
 778                     if( p_sys->i_live555_ret != 461 || !wait_Live555_response( p_demux ) )
 779                     {
 780                         msg_Err( p_demux, "SETUP of'%s/%s' failed %s",
 781                                  sub->mediumName(), sub->codecName(),
 782                                  p_sys->env->getResultMsg() );
 783                         continue;
 784                     }
 785                     else
 786                     {
 787                         var_SetBool( p_demux, "rtsp-tcp", true );
 788                         b_rtsp_tcp = true;
 789                     }
 790                 }
 791             }
 792
 793             /* Check if we will receive data from this subsession for
 794              * this track */
 795             if( sub->readSource() == NULL ) continue;
 796             if( !p_sys->b_multicast )
 797             {
 798                 /* We need different rollover behaviour for multicast */
 799                 p_sys->b_multicast = IsMulticastAddress( sub->connectionEndpointAddress() );
 800             }
 801
 802             tk = (live_track_t*)malloc( sizeof( live_track_t ) );
 803             if( !tk )
 804             {
 805                 delete iter;
 806                 return VLC_ENOMEM;
 807             }
 808             tk->p_demux     = p_demux;
 809             tk->sub         = sub;
 810             tk->p_es        = NULL;
 811             tk->b_quicktime = false;
 812             tk->b_asf       = false;
 813             tk->p_asf_block = NULL;
 814             tk->b_muxed     = false;
 815             tk->b_discard_trunc = false;
 816             tk->p_out_muxed = NULL;
 817             tk->waiting     = 0;
 818             tk->b_rtcp_sync = false;
 819             tk->i_pts       = VLC_TS_INVALID;
 820             tk->f_npt       = 0.;
 821             tk->b_selected  = true;
 822             tk->i_buffer    = i_frame_buffer;
 823             tk->p_buffer    = (uint8_t *)malloc( i_frame_buffer );
 824
 825             if( !tk->p_buffer )
 826             {
 827                 free( tk );
 828                 delete iter;
 829                 return VLC_ENOMEM;
 830             }
 831
 832             /* Value taken from mplayer */
 833             if( !strcmp( sub->mediumName(), "audio" ) )
 834             {
 835                 es_format_Init( &tk->fmt, AUDIO_ES, VLC_FOURCC('u','n','d','f') );
 836                 tk->fmt.audio.i_channels = sub->numChannels();
 837                 tk->fmt.audio.i_rate = sub->rtpTimestampFrequency();
 838
 839                 if( !strcmp( sub->codecName(), "MPA" ) ||
 840                     !strcmp( sub->codecName(), "MPA-ROBUST" ) ||
 841                     !strcmp( sub->codecName(), "X-MP3-DRAFT-00" ) )
 842                 {
 843                     tk->fmt.i_codec = VLC_CODEC_MPGA;
 844                     tk->fmt.audio.i_rate = 0;
 845                 }
 846                 else if( !strcmp( sub->codecName(), "AC3" ) )
 847                 {
 848                     tk->fmt.i_codec = VLC_CODEC_A52;
 849                     tk->fmt.audio.i_rate = 0;
 850                 }
 851                 else if( !strcmp( sub->codecName(), "L16" ) )
 852                 {
 853                     tk->fmt.i_codec = VLC_CODEC_S16B;
 854                     tk->fmt.audio.i_bitspersample = 16;
 855                 }
 856                 else if( !strcmp( sub->codecName(), "L20" ) )
 857                 {
 858                     tk->fmt.i_codec = VLC_CODEC_S20B;
 859                     tk->fmt.audio.i_bitspersample = 20;
 860                 }
 861                 else if( !strcmp( sub->codecName(), "L24" ) )
 862                 {
 863                     tk->fmt.i_codec = VLC_CODEC_S24B;
 864                     tk->fmt.audio.i_bitspersample = 24;
 865                 }
 866                 else if( !strcmp( sub->codecName(), "L8" ) )
 867                 {
 868                     tk->fmt.i_codec = VLC_CODEC_U8;
 869                     tk->fmt.audio.i_bitspersample = 8;
 870                 }
 871                 else if( !strcmp( sub->codecName(), "DAT12" ) )
 872                 {
 873                     tk->fmt.i_codec = VLC_CODEC_DAT12;
 874                     tk->fmt.audio.i_bitspersample = 12;
 875                 }
 876                 else if( !strcmp( sub->codecName(), "PCMU" ) )
 877                 {
 878                     tk->fmt.i_codec = VLC_CODEC_MULAW;
 879                     tk->fmt.audio.i_bitspersample = 8;
 880                 }
 881                 else if( !strcmp( sub->codecName(), "PCMA" ) )
 882                 {
 883                     tk->fmt.i_codec = VLC_CODEC_ALAW;
 884                     tk->fmt.audio.i_bitspersample = 8;
 885                 }
 886                 else if( !strncmp( sub->codecName(), "G726", 4 ) )
 887                 {
 888                     tk->fmt.i_codec = VLC_CODEC_ADPCM_G726;
 889                     tk->fmt.audio.i_rate = 8000;
 890                     tk->fmt.audio.i_channels = 1;
 891                     if( !strcmp( sub->codecName()+5, "40" ) )
 892                         tk->fmt.i_bitrate = 40000;
 893                     else if( !strcmp( sub->codecName()+5, "32" ) )
 894                         tk->fmt.i_bitrate = 32000;
 895                     else if( !strcmp( sub->codecName()+5, "24" ) )
 896                         tk->fmt.i_bitrate = 24000;
 897                     else if( !strcmp( sub->codecName()+5, "16" ) )
 898                         tk->fmt.i_bitrate = 16000;
 899                 }
 900                 else if( !strcmp( sub->codecName(), "AMR" ) )
 901                 {
 902                     tk->fmt.i_codec = VLC_CODEC_AMR_NB;
 903                 }
 904                 else if( !strcmp( sub->codecName(), "AMR-WB" ) )
 905                 {
 906                     tk->fmt.i_codec = VLC_CODEC_AMR_WB;
 907                 }
 908                 else if( !strcmp( sub->codecName(), "MP4A-LATM" ) )
 909                 {
 910                     unsigned int i_extra;
 911                     uint8_t      *p_extra;
 912
 913                     tk->fmt.i_codec = VLC_CODEC_MP4A;
 914
 915                     if( ( p_extra = parseStreamMuxConfigStr( sub->fmtp_config(),
 916                                                              i_extra ) ) )
 917                     {
 918                         tk->fmt.i_extra = i_extra;
 919                         tk->fmt.p_extra = xmalloc( i_extra );
 920                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
 921                         delete[] p_extra;
 922                     }
 923                     /* Because the "faad" decoder does not handle the LATM
 924                      * data length field at the start of each returned LATM
 925                      * frame, tell the RTP source to omit. */
 926                     ((MPEG4LATMAudioRTPSource*)sub->rtpSource())->omitLATMDataLengthField();
 927                 }
 928                 else if( !strcmp( sub->codecName(), "MPEG4-GENERIC" ) )
 929                 {
 930                     unsigned int i_extra;
 931                     uint8_t      *p_extra;
 932
 933                     tk->fmt.i_codec = VLC_CODEC_MP4A;
 934
 935                     if( ( p_extra = parseGeneralConfigStr( sub->fmtp_config(),
 936                                                            i_extra ) ) )
 937                     {
 938                         tk->fmt.i_extra = i_extra;
 939                         tk->fmt.p_extra = xmalloc( i_extra );
 940                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
 941                         delete[] p_extra;
 942                     }
 943                 }
 944                 else if( !strcmp( sub->codecName(), "X-ASF-PF" ) )
 945                 {
 946                     tk->b_asf = true;
 947                     if( p_sys->p_out_asf == NULL )
 948                         p_sys->p_out_asf = stream_DemuxNew( p_demux, "asf",
 949                                                             p_demux->out );
 950                 }
 951                 else if( !strcmp( sub->codecName(), "X-QT" ) ||
 952                          !strcmp( sub->codecName(), "X-QUICKTIME" ) )
 953                 {
 954                     tk->b_quicktime = true;
 955                 }
 956                 else if( !strcmp( sub->codecName(), "SPEEX" ) )
 957                 {
 958                     tk->fmt.i_codec = VLC_FOURCC( 's', 'p', 'x', 'r' );
 959                     if ( tk->fmt.audio.i_rate == 0 )
 960                     {
 961                         msg_Warn( p_demux,"Using 8kHz as default sample rate." );
 962                         tk->fmt.audio.i_rate = 8000;
 963                     }
 964                 }
 965                 else if( !strcmp( sub->codecName(), "VORBIS" ) )
 966                 {
 967                     tk->fmt.i_codec = VLC_CODEC_VORBIS;
 968                     unsigned int i_extra;
 969                     unsigned char *p_extra;
 970                     if( ( p_extra=parseVorbisConfigStr( sub->fmtp_config(),
 971                                                         i_extra ) ) )
 972                     {
 973                         tk->fmt.i_extra = i_extra;
 974                         tk->fmt.p_extra = p_extra;
 975                     }
 976                     else
 977                         msg_Warn( p_demux,"Missing or unsupported vorbis header." );
 978                 }
 979             }
 980             else if( !strcmp( sub->mediumName(), "video" ) )
 981             {
 982                 es_format_Init( &tk->fmt, VIDEO_ES, VLC_FOURCC('u','n','d','f') );
 983                 if( !strcmp( sub->codecName(), "MPV" ) )
 984                 {
 985                     tk->fmt.i_codec = VLC_CODEC_MPGV;
 986                     tk->fmt.b_packetized = false;
 987                 }
 988                 else if( !strcmp( sub->codecName(), "H263" ) ||
 989                          !strcmp( sub->codecName(), "H263-1998" ) ||
 990                          !strcmp( sub->codecName(), "H263-2000" ) )
 991                 {
 992                     tk->fmt.i_codec = VLC_CODEC_H263;
 993                 }
 994                 else if( !strcmp( sub->codecName(), "H261" ) )
 995                 {
 996                     tk->fmt.i_codec = VLC_CODEC_H261;
 997                 }
 998                 else if( !strcmp( sub->codecName(), "H264" ) )
 999                 {
1000                     unsigned int i_extra = 0;
1001                     uint8_t      *p_extra = NULL;
1002
1003                     tk->fmt.i_codec = VLC_CODEC_H264;
1004                     tk->fmt.b_packetized = false;
1005
1006                     if((p_extra=parseH264ConfigStr( sub->fmtp_spropparametersets(),
1007                                                     i_extra ) ) )
1008                     {
1009                         tk->fmt.i_extra = i_extra;
1010                         tk->fmt.p_extra = xmalloc( i_extra );
1011                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
1012
1013                         delete[] p_extra;
1014                     }
1015                 }
1016                 else if( !strcmp( sub->codecName(), "JPEG" ) )
1017                 {
1018                     tk->fmt.i_codec = VLC_CODEC_MJPG;
1019                 }
1020                 else if( !strcmp( sub->codecName(), "MP4V-ES" ) )
1021                 {
1022                     unsigned int i_extra;
1023                     uint8_t      *p_extra;
1024
1025                     tk->fmt.i_codec = VLC_CODEC_MP4V;
1026
1027                     if( ( p_extra = parseGeneralConfigStr( sub->fmtp_config(),
1028                                                            i_extra ) ) )
1029                     {
1030                         tk->fmt.i_extra = i_extra;
1031                         tk->fmt.p_extra = xmalloc( i_extra );
1032                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
1033                         delete[] p_extra;
1034                     }
1035                 }
1036                 else if( !strcmp( sub->codecName(), "X-QT" ) ||
1037                          !strcmp( sub->codecName(), "X-QUICKTIME" ) ||
1038                          !strcmp( sub->codecName(), "X-QDM" ) ||
1039                          !strcmp( sub->codecName(), "X-SV3V-ES" )  ||
1040                          !strcmp( sub->codecName(), "X-SORENSONVIDEO" ) )
1041                 {
1042                     tk->b_quicktime = true;
1043                 }
1044                 else if( !strcmp( sub->codecName(), "MP2T" ) )
1045                 {
1046                     tk->b_muxed = true;
1047                     tk->p_out_muxed = stream_DemuxNew( p_demux, "ts", p_demux->out );
1048                 }
1049                 else if( !strcmp( sub->codecName(), "MP2P" ) ||
1050                          !strcmp( sub->codecName(), "MP1S" ) )
1051                 {
1052                     tk->b_muxed = true;
1053                     tk->p_out_muxed = stream_DemuxNew( p_demux, "ps",
1054                                                        p_demux->out );
1055                 }
1056                 else if( !strcmp( sub->codecName(), "X-ASF-PF" ) )
1057                 {
1058                     tk->b_asf = true;
1059                     if( p_sys->p_out_asf == NULL )
1060                         p_sys->p_out_asf = stream_DemuxNew( p_demux, "asf",
1061                                                             p_demux->out );;
1062                 }
1063                 else if( !strcmp( sub->codecName(), "DV" ) )
1064                 {
1065                     tk->b_muxed = true;
1066                     tk->b_discard_trunc = true;
1067                     tk->p_out_muxed = stream_DemuxNew( p_demux, "rawdv",
1068                                                        p_demux->out );
1069                 }
1070                 else if( !strcmp( sub->codecName(), "VP8" ) )
1071                 {
1072                     tk->fmt.i_codec = VLC_CODEC_VP8;
1073                 }
1074             }
1075             else if( !strcmp( sub->mediumName(), "text" ) )
1076             {
1077                 es_format_Init( &tk->fmt, SPU_ES, VLC_FOURCC('u','n','d','f') );
1078
1079                 if( !strcmp( sub->codecName(), "T140" ) )
1080                 {
1081                     tk->fmt.i_codec = VLC_CODEC_ITU_T140;
1082                 }
1083             }
1084
1085             if( !tk->b_quicktime && !tk->b_muxed && !tk->b_asf )
1086             {
1087                 tk->p_es = es_out_Add( p_demux->out, &tk->fmt );
1088             }
1089
1090             if( sub->rtcpInstance() != NULL )
1091             {
1092                 sub->rtcpInstance()->setByeHandler( StreamClose, tk );
1093             }
1094
1095             if( tk->p_es || tk->b_quicktime || ( tk->b_muxed && tk->p_out_muxed ) ||
1096                 ( tk->b_asf && p_sys->p_out_asf ) )
1097             {
1098                 TAB_APPEND_CAST( (live_track_t **), p_sys->i_track, p_sys->track, tk );
1099             }
1100             else
1101             {
1102                 /* BUG ??? */
1103                 msg_Err( p_demux, "unusable RTSP track. this should not happen" );
1104                 es_format_Clean( &tk->fmt );
1105                 free( tk );
1106             }
1107         }
1108     }
1109     delete iter;
1110     if( p_sys->i_track <= 0 ) i_return = VLC_EGENERIC;
1111
1112     /* Retrieve the starttime if possible */
1113     p_sys->f_npt_start = p_sys->ms->playStartTime();
1114
1115     /* Retrieve the duration if possible */
1116     p_sys->f_npt_length = p_sys->ms->playEndTime();
1117
1118     /* */
1119     msg_Dbg( p_demux, "setup start: %f stop:%f", p_sys->f_npt_start, p_sys->f_npt_length );
1120
1121     /* */
1122     p_sys->b_no_data = true;
1123     p_sys->i_no_data_ti = 0;
1124
1125     return i_return;
1126 }
1127
1128 /*****************************************************************************
1129  * Play: starts the actual playback of the stream
1130  *****************************************************************************/
1131 static int Play( demux_t *p_demux )
1132 {
1133     demux_sys_t *p_sys = p_demux->p_sys;
1134
1135     if( p_sys->rtsp )
1136     {
1137         /* The PLAY */
1138         p_sys->rtsp->sendPlayCommand( *p_sys->ms, default_live555_callback, p_sys->f_npt_start, -1, 1 );
1139
1140         if( !wait_Live555_response(p_demux) )
1141         {
1142             msg_Err( p_demux, "RTSP PLAY failed %s", p_sys->env->getResultMsg() );
1143             return VLC_EGENERIC;
1144         }
1145
1146         /* Retrieve the timeout value and set up a timeout prevention thread */
1147         p_sys->i_timeout = p_sys->rtsp->sessionTimeoutParameter();
1148         if( p_sys->i_timeout <= 0 )
1149             p_sys->i_timeout = 60; /* default value from RFC2326 */
1150
1151         /* start timeout-thread only if GET_PARAMETER is supported by the server */
1152         /* or start it if wmserver dialect, since they don't report that GET_PARAMETER is supported correctly */
1153         if( !p_sys->p_timeout && ( p_sys->b_get_param || var_InheritBool( p_demux, "rtsp-wmserver" ) ) )
1154         {
1155             msg_Dbg( p_demux, "We have a timeout of %d seconds",  p_sys->i_timeout );
1156             p_sys->p_timeout = (timeout_thread_t *)malloc( sizeof(timeout_thread_t) );
1157             if( p_sys->p_timeout )
1158             {
1159                 memset( p_sys->p_timeout, 0, sizeof(timeout_thread_t) );
1160                 p_sys->p_timeout->p_sys = p_demux->p_sys; /* lol, object recursion :D */
1161                 if( vlc_clone( &p_sys->p_timeout->handle,  TimeoutPrevention,
1162                                p_sys->p_timeout, VLC_THREAD_PRIORITY_LOW ) )
1163                 {
1164                     msg_Err( p_demux, "cannot spawn liveMedia timeout thread" );
1165                     free( p_sys->p_timeout );
1166                     p_sys->p_timeout = NULL;
1167                 }
1168                 else
1169                     msg_Dbg( p_demux, "spawned timeout thread" );
1170             }
1171             else
1172                 msg_Err( p_demux, "cannot spawn liveMedia timeout thread" );
1173         }
1174     }
1175     p_sys->i_pcr = 0;
1176
1177     /* Retrieve the starttime if possible */
1178     p_sys->f_npt_start = p_sys->ms->playStartTime();
1179     if( p_sys->ms->playEndTime() > 0 )
1180         p_sys->f_npt_length = p_sys->ms->playEndTime();
1181
1182     msg_Dbg( p_demux, "play start: %f stop:%f", p_sys->f_npt_start, p_sys->f_npt_length );
1183     return VLC_SUCCESS;
1184 }
1185
1186
1187 /*****************************************************************************
1188  * Demux:
1189  *****************************************************************************/
1190 static int Demux( demux_t *p_demux )
1191 {
1192     demux_sys_t    *p_sys = p_demux->p_sys;
1193     TaskToken      task;
1194
1195     bool            b_send_pcr = true;
1196     int64_t         i_pcr = 0;
1197     int             i;
1198
1199     /* Check if we need to send the server a Keep-A-Live signal */
1200     if( p_sys->b_timeout_call && p_sys->rtsp && p_sys->ms )
1201     {
1202         char *psz_bye = NULL;
1203         p_sys->rtsp->sendGetParameterCommand( *p_sys->ms, NULL, psz_bye );
1204         p_sys->b_timeout_call = false;
1205     }
1206
1207     for( i = 0; i < p_sys->i_track; i++ )
1208     {
1209         live_track_t *tk = p_sys->track[i];
1210
1211         if( tk->p_es )
1212         {
1213             bool b;
1214             es_out_Control( p_demux->out, ES_OUT_GET_ES_STATE, tk->p_es, &b );
1215             if( !b && tk->b_selected )
1216             {
1217                 tk->b_selected = false;
1218                 p_sys->rtsp->sendTeardownCommand( *tk->sub, NULL );
1219             }
1220             else if( b && !tk->b_selected)
1221             {
1222                 bool b_rtsp_tcp = var_GetBool( p_demux, "rtsp-tcp" ) ||
1223                                   var_GetBool( p_demux, "rtsp-http" );
1224                 p_sys->rtsp->sendSetupCommand( *tk->sub, default_live555_callback, False,
1225                                                toBool( b_rtsp_tcp ),
1226                                                toBool( p_sys->b_force_mcast && !b_rtsp_tcp ) );
1227                 if( !wait_Live555_response( p_demux ) )
1228                 {
1229                     msg_Err( p_demux, "SETUP of'%s/%s' failed %s",
1230                              tk->sub->mediumName(), tk->sub->codecName(),
1231                              p_sys->env->getResultMsg() );
1232                 }
1233                 else
1234                 {
1235                     p_sys->rtsp->sendPlayCommand( *tk->sub, default_live555_callback, -1, -1, p_sys->ms->scale() );
1236                     if( !wait_Live555_response(p_demux) )
1237                     {
1238                         msg_Err( p_demux, "RTSP PLAY failed %s", p_sys->env->getResultMsg() );
1239                         p_sys->rtsp->sendTeardownCommand( *tk->sub, NULL );
1240                     }
1241                     else
1242                         tk->b_selected = true;
1243                 }
1244                 if( !tk->b_selected )
1245                     es_out_Control( p_demux->out, ES_OUT_SET_ES_STATE, tk->p_es, false );
1246             }
1247         }
1248
1249         if( tk->b_asf || tk->b_muxed )
1250             b_send_pcr = false;
1251 #if 0
1252         if( i_pcr == 0 )
1253         {
1254             i_pcr = tk->i_pts;
1255         }
1256         else if( tk->i_pts != 0 && i_pcr > tk->i_pts )
1257         {
1258             i_pcr = tk->i_pts ;
1259         }
1260 #endif
1261     }
1262     if( p_sys->i_pcr > 0 )
1263     {
1264         if( b_send_pcr )
1265             es_out_Control( p_demux->out, ES_OUT_SET_PCR, 1 + p_sys->i_pcr );
1266     }
1267
1268     /* First warn we want to read data */
1269     p_sys->event_data = 0;
1270     for( i = 0; i < p_sys->i_track; i++ )
1271     {
1272         live_track_t *tk = p_sys->track[i];
1273
1274         if( tk->waiting == 0 )
1275         {
1276             tk->waiting = 1;
1277             tk->sub->readSource()->getNextFrame( tk->p_buffer, tk->i_buffer,
1278                                           StreamRead, tk, StreamClose, tk );
1279         }
1280     }
1281     /* Create a task that will be called if we wait more than 300ms */
1282     task = p_sys->scheduler->scheduleDelayedTask( 300000, TaskInterruptData, p_demux );
1283
1284     /* Do the read */
1285     p_sys->scheduler->doEventLoop( &p_sys->event_data );
1286
1287     /* remove the task */
1288     p_sys->scheduler->unscheduleDelayedTask( task );
1289
1290     /* Check for gap in pts value */
1291     for( i = 0; i < p_sys->i_track; i++ )
1292     {
1293         live_track_t *tk = p_sys->track[i];
1294
1295         if( !tk->b_muxed && !tk->b_rtcp_sync &&
1296             tk->sub->rtpSource() && tk->sub->rtpSource()->hasBeenSynchronizedUsingRTCP() )
1297         {
1298             msg_Dbg( p_demux, "tk->rtpSource->hasBeenSynchronizedUsingRTCP()" );
1299
1300             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
1301             tk->b_rtcp_sync = true;
1302             /* reset PCR */
1303             tk->i_pts = VLC_TS_INVALID;
1304             tk->f_npt = 0.;
1305             p_sys->i_pcr = 0;
1306             p_sys->f_npt = 0.;
1307             i_pcr = 0;
1308         }
1309     }
1310
1311     if( p_sys->b_multicast && p_sys->b_no_data &&
1312         ( p_sys->i_no_data_ti > 120 ) )
1313     {
1314         /* FIXME Make this configurable
1315         msg_Err( p_demux, "no multicast data received in 36s, aborting" );
1316         return 0;
1317         */
1318     }
1319     else if( !p_sys->b_multicast && !p_sys->b_paused &&
1320               p_sys->b_no_data && ( p_sys->i_no_data_ti > 34 ) )
1321     {
1322         bool b_rtsp_tcp = var_GetBool( p_demux, "rtsp-tcp" ) ||
1323                                 var_GetBool( p_demux, "rtsp-http" );
1324
1325         if( !b_rtsp_tcp && p_sys->rtsp && p_sys->ms )
1326         {
1327             msg_Warn( p_demux, "no data received in 10s. Switching to TCP" );
1328             if( RollOverTcp( p_demux ) )
1329             {
1330                 msg_Err( p_demux, "TCP rollover failed, aborting" );
1331                 return 0;
1332             }
1333             return 1;
1334         }
1335         msg_Err( p_demux, "no data received in 10s, aborting" );
1336         return 0;
1337     }
1338     else if( !p_sys->b_multicast && !p_sys->b_paused &&
1339              ( p_sys->i_no_data_ti > 34 ) )
1340     {
1341         /* EOF ? */
1342         msg_Warn( p_demux, "no data received in 10s, eof ?" );
1343         return 0;
1344     }
1345     return p_sys->b_error ? 0 : 1;
1346 }
1347
1348 /*****************************************************************************
1349  * Control:
1350  *****************************************************************************/
1351 static int Control( demux_t *p_demux, int i_query, va_list args )
1352 {
1353     demux_sys_t *p_sys = p_demux->p_sys;
1354     int64_t *pi64, i64;
1355     double  *pf, f;
1356     bool *pb, *pb2;
1357     int *pi_int;
1358
1359     switch( i_query )
1360     {
1361         case DEMUX_GET_TIME:
1362             pi64 = (int64_t*)va_arg( args, int64_t * );
1363             if( p_sys->f_npt > 0 )
1364             {
1365                 *pi64 = (int64_t)(p_sys->f_npt * 1000000.);
1366                 return VLC_SUCCESS;
1367             }
1368             return VLC_EGENERIC;
1369
1370         case DEMUX_GET_LENGTH:
1371             pi64 = (int64_t*)va_arg( args, int64_t * );
1372             if( p_sys->f_npt_length > 0 )
1373             {
1374                 double d_length = p_sys->f_npt_length * 1000000.0;
1375                 if( d_length >= INT64_MAX )
1376                     *pi64 = INT64_MAX;
1377                 else
1378                     *pi64 = (int64_t)d_length;
1379                 return VLC_SUCCESS;
1380             }
1381             return VLC_EGENERIC;
1382
1383         case DEMUX_GET_POSITION:
1384             pf = (double*)va_arg( args, double* );
1385             if( (p_sys->f_npt_length > 0) && (p_sys->f_npt > 0) )
1386             {
1387                 *pf = p_sys->f_npt / p_sys->f_npt_length;
1388                 return VLC_SUCCESS;
1389             }
1390             return VLC_EGENERIC;
1391
1392         case DEMUX_SET_POSITION:
1393         case DEMUX_SET_TIME:
1394             if( p_sys->rtsp && (p_sys->f_npt_length > 0) )
1395             {
1396                 int i;
1397                 float time;
1398
1399                 if( (i_query == DEMUX_SET_TIME) && (p_sys->f_npt > 0) )
1400                 {
1401                     i64 = (int64_t)va_arg( args, int64_t );
1402                     time = (float)(i64 / 1000000.0); /* in second */
1403                 }
1404                 else if( i_query == DEMUX_SET_TIME )
1405                     return VLC_EGENERIC;
1406                 else
1407                 {
1408                     f = (double)va_arg( args, double );
1409                     time = f * p_sys->f_npt_length;   /* in second */
1410                 }
1411
1412                 if( p_sys->b_paused )
1413                 {
1414                     p_sys->f_seek_request = time;
1415                     return VLC_SUCCESS;
1416                 }
1417
1418                 p_sys->rtsp->sendPauseCommand( *p_sys->ms, default_live555_callback );
1419
1420                 if( !wait_Live555_response( p_demux ) )
1421                 {
1422                     msg_Err( p_demux, "PAUSE before seek failed %s",
1423                         p_sys->env->getResultMsg() );
1424                     return VLC_EGENERIC;
1425                 }
1426
1427                 p_sys->rtsp->sendPlayCommand( *p_sys->ms, default_live555_callback, time, -1, 1 );
1428
1429                 if( !wait_Live555_response( p_demux ) )
1430                 {
1431                     msg_Err( p_demux, "seek PLAY failed %s",
1432                         p_sys->env->getResultMsg() );
1433                     return VLC_EGENERIC;
1434                 }
1435                 p_sys->i_pcr = 0;
1436
1437                 for( i = 0; i < p_sys->i_track; i++ )
1438                 {
1439                     p_sys->track[i]->b_rtcp_sync = false;
1440                     p_sys->track[i]->i_pts = VLC_TS_INVALID;
1441                 }
1442
1443                 /* Retrieve the starttime if possible */
1444                 p_sys->f_npt = p_sys->f_npt_start = p_sys->ms->playStartTime();
1445
1446                 /* Retrieve the duration if possible */
1447                 if( p_sys->ms->playEndTime() > 0 )
1448                     p_sys->f_npt_length = p_sys->ms->playEndTime();
1449
1450                 msg_Dbg( p_demux, "seek start: %f stop:%f", p_sys->f_npt_start, p_sys->f_npt_length );
1451                 return VLC_SUCCESS;
1452             }
1453             return VLC_EGENERIC;
1454
1455         /* Special for access_demux */
1456         case DEMUX_CAN_PAUSE:
1457         case DEMUX_CAN_SEEK:
1458             pb = (bool*)va_arg( args, bool * );
1459             if( p_sys->rtsp && p_sys->f_npt_length > 0 )
1460                 /* Not always true, but will be handled in SET_PAUSE_STATE */
1461                 *pb = true;
1462             else
1463                 *pb = false;
1464             return VLC_SUCCESS;
1465
1466         case DEMUX_CAN_CONTROL_PACE:
1467             pb = (bool*)va_arg( args, bool * );
1468
1469 #if 1       /* Disable for now until we have a clock synchro algo
1470              * which works with something else than MPEG over UDP */
1471             *pb = false;
1472 #else
1473             *pb = true;
1474 #endif
1475             return VLC_SUCCESS;
1476
1477         case DEMUX_CAN_CONTROL_RATE:
1478             pb = (bool*)va_arg( args, bool * );
1479             pb2 = (bool*)va_arg( args, bool * );
1480
1481             *pb = (p_sys->rtsp != NULL) &&
1482                     (p_sys->f_npt_length > 0) &&
1483                     ( !var_GetBool( p_demux, "rtsp-kasenna" ) ||
1484                       !var_GetBool( p_demux, "rtsp-wmserver" ) );
1485             *pb2 = false;
1486             return VLC_SUCCESS;
1487
1488         case DEMUX_SET_RATE:
1489         {
1490             double f_scale, f_old_scale;
1491
1492             if( !p_sys->rtsp || (p_sys->f_npt_length <= 0) ||
1493                 var_GetBool( p_demux, "rtsp-kasenna" ) ||
1494                 var_GetBool( p_demux, "rtsp-wmserver" ) )
1495                 return VLC_EGENERIC;
1496
1497             /* According to RFC 2326 p56 chapter 12.35 a RTSP server that
1498              * supports Scale:
1499              *
1500              * "[...] should try to approximate the viewing rate, but
1501              *  may restrict the range of scale values that it supports.
1502              *  The response MUST contain the actual scale value chosen
1503              *  by the server."
1504              *
1505              * Scale = 1 indicates normal play
1506              * Scale > 1 indicates fast forward
1507              * Scale < 1 && Scale > 0 indicates slow motion
1508              * Scale < 0 value indicates rewind
1509              */
1510
1511             pi_int = (int*)va_arg( args, int * );
1512             f_scale = (double)INPUT_RATE_DEFAULT / (*pi_int);
1513             f_old_scale = p_sys->ms->scale();
1514
1515             /* Passing -1 for the start and end time will mean liveMedia won't
1516              * create a Range: section for the RTSP message. The server should
1517              * pick up from the current position */
1518             p_sys->rtsp->sendPlayCommand( *p_sys->ms, default_live555_callback, -1, -1, f_scale );
1519
1520             if( !wait_Live555_response( p_demux ) )
1521             {
1522                 msg_Err( p_demux, "PLAY with Scale %0.2f failed %s", f_scale,
1523                         p_sys->env->getResultMsg() );
1524                 return VLC_EGENERIC;
1525             }
1526
1527             if( p_sys->ms->scale() == f_old_scale )
1528             {
1529                 msg_Err( p_demux, "no scale change using old Scale %0.2f",
1530                           p_sys->ms->scale() );
1531                 return VLC_EGENERIC;
1532             }
1533
1534             /* ReSync the stream */
1535             p_sys->f_npt_start = 0;
1536             p_sys->i_pcr = 0;
1537             p_sys->f_npt = 0.0;
1538
1539             *pi_int = (int)( INPUT_RATE_DEFAULT / p_sys->ms->scale() );
1540             msg_Dbg( p_demux, "PLAY with new Scale %0.2f (%d)", p_sys->ms->scale(), (*pi_int) );
1541             return VLC_SUCCESS;
1542         }
1543
1544         case DEMUX_SET_PAUSE_STATE:
1545         {
1546             bool b_pause = (bool)va_arg( args, int );
1547             if( p_sys->rtsp == NULL )
1548                 return VLC_EGENERIC;
1549
1550             if( b_pause == p_sys->b_paused )
1551                 return VLC_SUCCESS;
1552             if( b_pause )
1553                 p_sys->rtsp->sendPauseCommand( *p_sys->ms, default_live555_callback );
1554             else
1555                 p_sys->rtsp->sendPlayCommand( *p_sys->ms, default_live555_callback, p_sys->f_seek_request,
1556                                               -1.0f, p_sys->ms->scale() );
1557
1558             if( !wait_Live555_response( p_demux ) )
1559             {
1560                 msg_Err( p_demux, "PLAY or PAUSE failed %s", p_sys->env->getResultMsg() );
1561                 return VLC_EGENERIC;
1562             }
1563             p_sys->f_seek_request = -1;
1564             p_sys->b_paused = b_pause;
1565
1566             /* When we Pause, we'll need the TimeoutPrevention thread to
1567              * handle sending the "Keep Alive" message to the server.
1568              * Unfortunately Live555 isn't thread safe and so can't
1569              * do this normally while the main Demux thread is handling
1570              * a live stream. We end up with the Timeout thread blocking
1571              * waiting for a response from the server. So when we PAUSE
1572              * we set a flag that the TimeoutPrevention function will check
1573              * and if it's set, it will trigger the GET_PARAMETER message */
1574             if( p_sys->b_paused && p_sys->p_timeout != NULL )
1575                 p_sys->p_timeout->b_handle_keep_alive = true;
1576             else if( !p_sys->b_paused && p_sys->p_timeout != NULL )
1577                 p_sys->p_timeout->b_handle_keep_alive = false;
1578
1579             if( !p_sys->b_paused )
1580             {
1581                 for( int i = 0; i < p_sys->i_track; i++ )
1582                 {
1583                     live_track_t *tk = p_sys->track[i];
1584                     tk->b_rtcp_sync = false;
1585                     tk->i_pts = VLC_TS_INVALID;
1586                     p_sys->i_pcr = 0;
1587                     es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
1588                 }
1589             }
1590
1591             /* Reset data received counter */
1592             p_sys->i_no_data_ti = 0;
1593
1594             /* Retrieve the starttime if possible */
1595             p_sys->f_npt_start = p_sys->ms->playStartTime();
1596
1597             /* Retrieve the duration if possible */
1598             if( p_sys->ms->playEndTime() )
1599                 p_sys->f_npt_length = p_sys->ms->playEndTime();
1600
1601             msg_Dbg( p_demux, "pause start: %f stop:%f", p_sys->f_npt_start, p_sys->f_npt_length );
1602             return VLC_SUCCESS;
1603         }
1604         case DEMUX_GET_TITLE_INFO:
1605         case DEMUX_SET_TITLE:
1606         case DEMUX_SET_SEEKPOINT:
1607             return VLC_EGENERIC;
1608
1609         case DEMUX_GET_PTS_DELAY:
1610             pi64 = (int64_t*)va_arg( args, int64_t * );
1611             *pi64 = INT64_C(1000)
1612                   * var_InheritInteger( p_demux, "network-caching" );
1613             return VLC_SUCCESS;
1614
1615         default:
1616             return VLC_EGENERIC;
1617     }
1618 }
1619
1620 /*****************************************************************************
1621  * RollOverTcp: reopen the rtsp into TCP mode
1622  * XXX: ugly, a lot of code are duplicated from Open()
1623  * This should REALLY be fixed
1624  *****************************************************************************/
1625 static int RollOverTcp( demux_t *p_demux )
1626 {
1627     demux_sys_t *p_sys = p_demux->p_sys;
1628     int i, i_return;
1629
1630     var_SetBool( p_demux, "rtsp-tcp", true );
1631
1632     /* We close the old RTSP session */
1633     p_sys->rtsp->sendTeardownCommand( *p_sys->ms, NULL );
1634     Medium::close( p_sys->ms );
1635     RTSPClient::close( p_sys->rtsp );
1636
1637     for( i = 0; i < p_sys->i_track; i++ )
1638     {
1639         live_track_t *tk = p_sys->track[i];
1640
1641         if( tk->b_muxed ) stream_Delete( tk->p_out_muxed );
1642         if( tk->p_es ) es_out_Del( p_demux->out, tk->p_es );
1643         if( tk->p_asf_block ) block_Release( tk->p_asf_block );
1644         es_format_Clean( &tk->fmt );
1645         free( tk->p_buffer );
1646         free( tk );
1647     }
1648     TAB_CLEAN( p_sys->i_track, p_sys->track );
1649     if( p_sys->p_out_asf ) stream_Delete( p_sys->p_out_asf );
1650
1651     p_sys->ms = NULL;
1652     p_sys->rtsp = NULL;
1653     p_sys->b_no_data = true;
1654     p_sys->i_no_data_ti = 0;
1655     p_sys->p_out_asf = NULL;
1656
1657     /* Reopen rtsp client */
1658     if( ( i_return = Connect( p_demux ) ) != VLC_SUCCESS )
1659     {
1660         msg_Err( p_demux, "Failed to connect with rtsp://%s",
1661                  p_sys->psz_path );
1662         goto error;
1663     }
1664
1665     if( p_sys->p_sdp == NULL )
1666     {
1667         msg_Err( p_demux, "Failed to retrieve the RTSP Session Description" );
1668         goto error;
1669     }
1670
1671     if( ( i_return = SessionsSetup( p_demux ) ) != VLC_SUCCESS )
1672     {
1673         msg_Err( p_demux, "Nothing to play for rtsp://%s", p_sys->psz_path );
1674         goto error;
1675     }
1676
1677     if( ( i_return = Play( p_demux ) ) != VLC_SUCCESS )
1678         goto error;
1679
1680     return VLC_SUCCESS;
1681
1682 error:
1683     return VLC_EGENERIC;
1684 }
1685
1686
1687 /*****************************************************************************
1688  *
1689  *****************************************************************************/
1690 static block_t *StreamParseAsf( demux_t *p_demux, live_track_t *tk,
1691                                 bool b_marker,
1692                                 const uint8_t *p_data, unsigned i_size )
1693 {
1694     const unsigned i_packet_size = p_demux->p_sys->asfh.i_min_data_packet_size;
1695     block_t *p_list = NULL;
1696
1697     while( i_size >= 4 )
1698     {
1699         unsigned i_flags = p_data[0];
1700         unsigned i_length_offset = (p_data[1] << 16) |
1701                                    (p_data[2] <<  8) |
1702                                    (p_data[3]      );
1703         bool b_length = i_flags & 0x40;
1704         bool b_relative_ts = i_flags & 0x20;
1705         bool b_duration = i_flags & 0x10;
1706         bool b_location_id = i_flags & 0x08;
1707
1708         //msg_Dbg( p_demux, "ASF: marker=%d size=%d : %c=%d id=%d",
1709         //         b_marker, i_size, b_length ? 'L' : 'O', i_length_offset );
1710         unsigned i_header_size = 4;
1711         if( b_relative_ts )
1712             i_header_size += 4;
1713         if( b_duration )
1714             i_header_size += 4;
1715         if( b_location_id )
1716             i_header_size += 4;
1717
1718         if( i_header_size > i_size )
1719         {
1720             msg_Warn( p_demux, "Invalid header size" );
1721             break;
1722         }
1723
1724         /* XXX
1725          * When b_length is true, the streams I found do not seems to respect
1726          * the documentation.
1727          * From them, I have failed to find which choice between '__MIN()' or
1728          * 'i_length_offset - i_header_size' is the right one.
1729          */
1730         unsigned i_payload;
1731         if( b_length )
1732             i_payload = __MIN( i_length_offset, i_size - i_header_size);
1733         else
1734             i_payload = i_size - i_header_size;
1735
1736         if( !tk->p_asf_block )
1737         {
1738             tk->p_asf_block = block_Alloc( i_packet_size );
1739             if( !tk->p_asf_block )
1740                 break;
1741             tk->p_asf_block->i_buffer = 0;
1742         }
1743         unsigned i_offset  = b_length ? 0 : i_length_offset;
1744         if( i_offset == tk->p_asf_block->i_buffer && i_offset + i_payload <= i_packet_size )
1745         {
1746             memcpy( &tk->p_asf_block->p_buffer[i_offset], &p_data[i_header_size], i_payload );
1747             tk->p_asf_block->i_buffer += i_payload;
1748             if( b_marker )
1749             {
1750                 /* We have a complete packet */
1751                 tk->p_asf_block->i_buffer = i_packet_size;
1752                 block_ChainAppend( &p_list, tk->p_asf_block );
1753                 tk->p_asf_block = NULL;
1754             }
1755         }
1756         else
1757         {
1758             /* Reset on broken stream */
1759             msg_Err( p_demux, "Broken packet detected (%d vs %zu or %d + %d vs %d)",
1760                      i_offset, tk->p_asf_block->i_buffer, i_offset, i_payload, i_packet_size);
1761             tk->p_asf_block->i_buffer = 0;
1762         }
1763
1764         /* */
1765         p_data += i_header_size + i_payload;
1766         i_size -= i_header_size + i_payload;
1767     }
1768     return p_list;
1769 }
1770
1771 /*****************************************************************************
1772  *
1773  *****************************************************************************/
1774 static void StreamRead( void *p_private, unsigned int i_size,
1775                         unsigned int i_truncated_bytes, struct timeval pts,
1776                         unsigned int duration )
1777 {
1778     VLC_UNUSED( duration );
1779
1780     live_track_t   *tk = (live_track_t*)p_private;
1781     demux_t        *p_demux = tk->p_demux;
1782     demux_sys_t    *p_sys = p_demux->p_sys;
1783     block_t        *p_block;
1784
1785     //msg_Dbg( p_demux, "pts: %d", pts.tv_sec );
1786
1787     int64_t i_pts = (int64_t)pts.tv_sec * INT64_C(1000000) +
1788         (int64_t)pts.tv_usec;
1789
1790     /* XXX Beurk beurk beurk Avoid having negative value XXX */
1791     i_pts &= INT64_C(0x00ffffffffffffff);
1792
1793     /* Retrieve NPT for this pts */
1794     tk->f_npt = tk->sub->getNormalPlayTime(pts);
1795
1796     if( tk->b_quicktime && tk->p_es == NULL )
1797     {
1798         QuickTimeGenericRTPSource *qtRTPSource =
1799             (QuickTimeGenericRTPSource*)tk->sub->rtpSource();
1800         QuickTimeGenericRTPSource::QTState &qtState = qtRTPSource->qtState;
1801         uint8_t *sdAtom = (uint8_t*)&qtState.sdAtom[4];
1802
1803         /* Get codec informations from the quicktime atoms :
1804          * http://developer.apple.com/quicktime/icefloe/dispatch026.html */
1805         if( tk->fmt.i_cat == VIDEO_ES ) {
1806             if( qtState.sdAtomSize < 16 + 32 )
1807             {
1808                 /* invalid */
1809                 p_sys->event_data = 0xff;
1810                 tk->waiting = 0;
1811                 return;
1812             }
1813             tk->fmt.i_codec = VLC_FOURCC(sdAtom[0],sdAtom[1],sdAtom[2],sdAtom[3]);
1814             tk->fmt.video.i_width  = (sdAtom[28] << 8) | sdAtom[29];
1815             tk->fmt.video.i_height = (sdAtom[30] << 8) | sdAtom[31];
1816
1817             if( tk->fmt.i_codec == VLC_FOURCC('a', 'v', 'c', '1') )
1818             {
1819                 uint8_t *pos = (uint8_t*)qtRTPSource->qtState.sdAtom + 86;
1820                 uint8_t *endpos = (uint8_t*)qtRTPSource->qtState.sdAtom
1821                                   + qtRTPSource->qtState.sdAtomSize;
1822                 while (pos+8 < endpos) {
1823                     unsigned int atomLength = pos[0]<<24 | pos[1]<<16 | pos[2]<<8 | pos[3];
1824                     if( atomLength == 0 || atomLength > (unsigned int)(endpos-pos)) break;
1825                     if( memcmp(pos+4, "avcC", 4) == 0 &&
1826                         atomLength > 8 &&
1827                         atomLength <= INT_MAX )
1828                     {
1829                         tk->fmt.i_extra = atomLength-8;
1830                         tk->fmt.p_extra = xmalloc( tk->fmt.i_extra );
1831                         memcpy(tk->fmt.p_extra, pos+8, atomLength-8);
1832                         break;
1833                     }
1834                     pos += atomLength;
1835                 }
1836             }
1837             else
1838             {
1839                 tk->fmt.i_extra        = qtState.sdAtomSize - 16;
1840                 tk->fmt.p_extra        = xmalloc( tk->fmt.i_extra );
1841                 memcpy( tk->fmt.p_extra, &sdAtom[12], tk->fmt.i_extra );
1842             }
1843         }
1844         else {
1845             if( qtState.sdAtomSize < 24 )
1846             {
1847                 /* invalid */
1848                 p_sys->event_data = 0xff;
1849                 tk->waiting = 0;
1850                 return;
1851             }
1852             tk->fmt.i_codec = VLC_FOURCC(sdAtom[0],sdAtom[1],sdAtom[2],sdAtom[3]);
1853             tk->fmt.audio.i_bitspersample = (sdAtom[22] << 8) | sdAtom[23];
1854         }
1855         tk->p_es = es_out_Add( p_demux->out, &tk->fmt );
1856     }
1857
1858 #if 0
1859     fprintf( stderr, "StreamRead size=%d pts=%lld\n",
1860              i_size,
1861              pts.tv_sec * 1000000LL + pts.tv_usec );
1862 #endif
1863
1864     /* grow buffer if it looks like buffer is too small, but don't eat
1865      * up all the memory on strange streams */
1866     if( i_truncated_bytes > 0 )
1867     {
1868         if( tk->i_buffer < 2000000 )
1869         {
1870             void *p_tmp;
1871             msg_Dbg( p_demux, "lost %d bytes", i_truncated_bytes );
1872             msg_Dbg( p_demux, "increasing buffer size to %d", tk->i_buffer * 2 );
1873             p_tmp = realloc( tk->p_buffer, tk->i_buffer * 2 );
1874             if( p_tmp == NULL )
1875             {
1876                 msg_Warn( p_demux, "realloc failed" );
1877             }
1878             else
1879             {
1880                 tk->p_buffer = (uint8_t*)p_tmp;
1881                 tk->i_buffer *= 2;
1882             }
1883         }
1884
1885         if( tk->b_discard_trunc )
1886         {
1887             p_sys->event_data = 0xff;
1888             tk->waiting = 0;
1889             return;
1890         }
1891     }
1892
1893     assert( i_size <= tk->i_buffer );
1894
1895     if( tk->fmt.i_codec == VLC_CODEC_AMR_NB ||
1896         tk->fmt.i_codec == VLC_CODEC_AMR_WB )
1897     {
1898         AMRAudioSource *amrSource = (AMRAudioSource*)tk->sub->readSource();
1899
1900         p_block = block_Alloc( i_size + 1 );
1901         p_block->p_buffer[0] = amrSource->lastFrameHeader();
1902         memcpy( p_block->p_buffer + 1, tk->p_buffer, i_size );
1903     }
1904     else if( tk->fmt.i_codec == VLC_CODEC_H261 )
1905     {
1906         H261VideoRTPSource *h261Source = (H261VideoRTPSource*)tk->sub->rtpSource();
1907         uint32_t header = h261Source->lastSpecialHeader();
1908         p_block = block_Alloc( i_size + 4 );
1909         memcpy( p_block->p_buffer, &header, 4 );
1910         memcpy( p_block->p_buffer + 4, tk->p_buffer, i_size );
1911
1912         if( tk->sub->rtpSource()->curPacketMarkerBit() )
1913             p_block->i_flags |= BLOCK_FLAG_END_OF_FRAME;
1914     }
1915     else if( tk->fmt.i_codec == VLC_CODEC_H264 )
1916     {
1917         if( (tk->p_buffer[0] & 0x1f) >= 24 )
1918             msg_Warn( p_demux, "unsupported NAL type for H264" );
1919
1920         /* Normal NAL type */
1921         p_block = block_Alloc( i_size + 4 );
1922         p_block->p_buffer[0] = 0x00;
1923         p_block->p_buffer[1] = 0x00;
1924         p_block->p_buffer[2] = 0x00;
1925         p_block->p_buffer[3] = 0x01;
1926         memcpy( &p_block->p_buffer[4], tk->p_buffer, i_size );
1927     }
1928     else if( tk->b_asf )
1929     {
1930         p_block = StreamParseAsf( p_demux, tk,
1931                                   tk->sub->rtpSource()->curPacketMarkerBit(),
1932                                   tk->p_buffer, i_size );
1933     }
1934     else
1935     {
1936         p_block = block_Alloc( i_size );
1937         memcpy( p_block->p_buffer, tk->p_buffer, i_size );
1938     }
1939
1940     if( p_sys->i_pcr < i_pts )
1941     {
1942         p_sys->i_pcr = i_pts;
1943     }
1944
1945     /* Update our global npt value */
1946     if( tk->f_npt > 0 &&
1947         ( tk->f_npt < p_sys->f_npt_length || p_sys->f_npt_length <= 0 ) )
1948         p_sys->f_npt = tk->f_npt;
1949
1950     if( p_block )
1951     {
1952         if( !tk->b_muxed && !tk->b_asf )
1953         {
1954             if( i_pts != tk->i_pts )
1955                 p_block->i_pts = VLC_TS_0 + i_pts;
1956             /*FIXME: for h264 you should check that packetization-mode=1 in sdp-file */
1957             p_block->i_dts = ( tk->fmt.i_codec == VLC_CODEC_MPGV ) ? VLC_TS_INVALID : (VLC_TS_0 + i_pts);
1958         }
1959
1960         if( tk->b_muxed )
1961             stream_DemuxSend( tk->p_out_muxed, p_block );
1962         else if( tk->b_asf )
1963             stream_DemuxSend( p_sys->p_out_asf, p_block );
1964         else
1965             es_out_Send( p_demux->out, tk->p_es, p_block );
1966     }
1967
1968     /* warn that's ok */
1969     p_sys->event_data = 0xff;
1970
1971     /* we have read data */
1972     tk->waiting = 0;
1973     p_demux->p_sys->b_no_data = false;
1974     p_demux->p_sys->i_no_data_ti = 0;
1975
1976     if( i_pts > 0 && !tk->b_muxed )
1977     {
1978         tk->i_pts = i_pts;
1979     }
1980 }
1981
1982 /*****************************************************************************
1983  *
1984  *****************************************************************************/
1985 static void StreamClose( void *p_private )
1986 {
1987     live_track_t   *tk = (live_track_t*)p_private;
1988     demux_t        *p_demux = tk->p_demux;
1989     demux_sys_t    *p_sys = p_demux->p_sys;
1990     tk->b_selected = false;
1991     p_sys->event_rtsp = 0xff;
1992     p_sys->event_data = 0xff;
1993
1994     if( tk->p_es )
1995         es_out_Control( p_demux->out, ES_OUT_SET_ES_STATE, tk->p_es, false );
1996
1997     int nb_tracks = 0;
1998     for( int i = 0; i < p_sys->i_track; i++ )
1999     {
2000         if( p_sys->track[i]->b_selected )
2001             nb_tracks++;
2002     }
2003     msg_Dbg( p_demux, "RTSP track Close, %d track remaining", nb_tracks );
2004     if( !nb_tracks )
2005         p_sys->b_error = true;
2006 }
2007
2008
2009 /*****************************************************************************
2010  *
2011  *****************************************************************************/
2012 static void TaskInterruptRTSP( void *p_private )
2013 {
2014     demux_t *p_demux = (demux_t*)p_private;
2015
2016     /* Avoid lock */
2017     p_demux->p_sys->event_rtsp = 0xff;
2018 }
2019
2020 static void TaskInterruptData( void *p_private )
2021 {
2022     demux_t *p_demux = (demux_t*)p_private;
2023
2024     p_demux->p_sys->i_no_data_ti++;
2025
2026     /* Avoid lock */
2027     p_demux->p_sys->event_data = 0xff;
2028 }
2029
2030 /*****************************************************************************
2031  *
2032  *****************************************************************************/
2033 VLC_NORETURN
2034 static void* TimeoutPrevention( void *p_data )
2035 {
2036     timeout_thread_t *p_timeout = (timeout_thread_t *)p_data;
2037
2038     for( ;; )
2039     {
2040         /* Voodoo (= no) thread safety here! *Ahem* */
2041         if( p_timeout->b_handle_keep_alive )
2042         {
2043             char *psz_bye = NULL;
2044             int canc = vlc_savecancel ();
2045
2046             p_timeout->p_sys->rtsp->sendGetParameterCommand( *p_timeout->p_sys->ms, NULL, psz_bye );
2047             vlc_restorecancel (canc);
2048         }
2049         p_timeout->p_sys->b_timeout_call = !p_timeout->b_handle_keep_alive;
2050
2051         msleep (((int64_t)p_timeout->p_sys->i_timeout - 2) * CLOCK_FREQ);
2052     }
2053     assert(0); /* dead code */
2054 }
2055
2056 /*****************************************************************************
2057  *
2058  *****************************************************************************/
2059 static int ParseASF( demux_t *p_demux )
2060 {
2061     demux_sys_t    *p_sys = p_demux->p_sys;
2062
2063     const char *psz_marker = "a=pgmpu:data:application/vnd.ms.wms-hdr.asfv1;base64,";
2064     char *psz_asf = strcasestr( p_sys->p_sdp, psz_marker );
2065     char *psz_end;
2066     block_t *p_header;
2067
2068     /* Parse the asf header */
2069     if( psz_asf == NULL )
2070         return VLC_EGENERIC;
2071
2072     psz_asf += strlen( psz_marker );
2073     psz_asf = strdup( psz_asf );    /* Duplicate it */
2074     psz_end = strchr( psz_asf, '\n' );
2075
2076     while( psz_end > psz_asf && ( *psz_end == '\n' || *psz_end == '\r' ) )
2077         *psz_end-- = '\0';
2078
2079     if( psz_asf >= psz_end )
2080     {
2081         free( psz_asf );
2082         return VLC_EGENERIC;
2083     }
2084
2085     /* Always smaller */
2086     p_header = block_Alloc( psz_end - psz_asf );
2087     p_header->i_buffer = vlc_b64_decode_binary_to_buffer( p_header->p_buffer,
2088                                                p_header->i_buffer, psz_asf );
2089     //msg_Dbg( p_demux, "Size=%d Hdrb64=%s", p_header->i_buffer, psz_asf );
2090     if( p_header->i_buffer <= 0 )
2091     {
2092         free( psz_asf );
2093         return VLC_EGENERIC;
2094     }
2095
2096     /* Parse it to get packet size */
2097     asf_HeaderParse( &p_sys->asfh, p_header->p_buffer, p_header->i_buffer );
2098
2099     /* Send it to demuxer */
2100     stream_DemuxSend( p_sys->p_out_asf, p_header );
2101
2102     free( psz_asf );
2103     return VLC_SUCCESS;
2104 }
2105
2106
2107 static unsigned char* parseH264ConfigStr( char const* configStr,
2108                                           unsigned int& configSize )
2109 {
2110     char *dup, *psz;
2111     size_t i_records = 1;
2112
2113     configSize = 0;
2114
2115     if( configStr == NULL || *configStr == '\0' )
2116         return NULL;
2117
2118     psz = dup = strdup( configStr );
2119
2120     /* Count the number of commas */
2121     for( psz = dup; *psz != '\0'; ++psz )
2122     {
2123         if( *psz == ',')
2124         {
2125             ++i_records;
2126             *psz = '\0';
2127         }
2128     }
2129
2130     size_t configMax = 5*strlen(dup);
2131     unsigned char *cfg = new unsigned char[configMax];
2132     psz = dup;
2133     for( size_t i = 0; i < i_records; ++i )
2134     {
2135         cfg[configSize++] = 0x00;
2136         cfg[configSize++] = 0x00;
2137         cfg[configSize++] = 0x00;
2138         cfg[configSize++] = 0x01;
2139
2140         configSize += vlc_b64_decode_binary_to_buffer( cfg+configSize,
2141                                           configMax-configSize, psz );
2142         psz += strlen(psz)+1;
2143     }
2144
2145     free( dup );
2146     return cfg;
2147 }
2148
2149 static uint8_t *parseVorbisConfigStr( char const* configStr,
2150                                       unsigned int& configSize )
2151 {
2152     configSize = 0;
2153     if( configStr == NULL || *configStr == '\0' )
2154         return NULL;
2155 #if LIVEMEDIA_LIBRARY_VERSION_INT >= 1332115200 // 2012.03.20
2156     unsigned char *p_cfg = base64Decode( configStr, configSize );
2157 #else
2158     char* configStr_dup = strdup( configStr );
2159     unsigned char *p_cfg = base64Decode( configStr_dup, configSize );
2160     free( configStr_dup );
2161 #endif
2162     uint8_t *p_extra = NULL;
2163     /* skip header count, ident number and length (cf. RFC 5215) */
2164     const unsigned int headerSkip = 9;
2165     if( configSize > headerSkip && ((uint8_t*)p_cfg)[3] == 1 )
2166     {
2167         configSize -= headerSkip;
2168         p_extra = (uint8_t*)xmalloc( configSize );
2169         memcpy( p_extra, p_cfg+headerSkip, configSize );
2170     }
2171     delete[] p_cfg;
2172     return p_extra;
2173 }
2174