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

   1 /*****************************************************************************
   2  * live555.cpp : LIVE555 Streaming Media support.
   3  *****************************************************************************
   4  * Copyright (C) 2003-2007 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Laurent Aimar <fenrir@via.ecp.fr>
   8  *          Derk-Jan Hartman <hartman at videolan. org>
   9  *          Derk-Jan Hartman <djhartman at m2x .dot. nl> for M2X
  10  *
  11  * This program is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License as published by
  13  * the Free Software Foundation; either version 2 of the License, or
  14  * (at your option) any later version.
  15  *
  16  * This program is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  * GNU General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License along
  22  * with this program; if not, write to the Free Software Foundation, Inc.,
  23  * 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  24  *****************************************************************************/
  25
  26 /*****************************************************************************
  27  * Preamble
  28  *****************************************************************************/
  29
  30 /* For inttypes.h
  31  * Note: config.h may include inttypes.h, so make sure we define this option
  32  * early enough. */
  33 #define __STDC_CONSTANT_MACROS 1
  34
  35 #ifdef HAVE_CONFIG_H
  36 # include "config.h"
  37 #endif
  38
  39 #include <inttypes.h>
  40
  41 #include <vlc_common.h>
  42 #include <vlc_plugin.h>
  43 #include <vlc_input.h>
  44 #include <vlc_demux.h>
  45 #include <vlc_dialog.h>
  46 #include <vlc_url.h>
  47 #include <vlc_strings.h>
  48
  49 #include <iostream>
  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
  63 extern "C" {
  64 #include "../access/mms/asf.h"  /* Who said ugly ? */
  65 }
  66
  67 using namespace std;
  68
  69 /*****************************************************************************
  70  * Module descriptor
  71  *****************************************************************************/
  72 static int  Open ( vlc_object_t * );
  73 static void Close( vlc_object_t * );
  74
  75 #define CACHING_TEXT N_("Caching value (ms)")
  76 #define CACHING_LONGTEXT N_( \
  77     "Allows you to modify the default caching value for RTSP streams. This " \
  78     "value should be set in millisecond units." )
  79
  80 #define KASENNA_TEXT N_( "Kasenna RTSP dialect")
  81 #define KASENNA_LONGTEXT N_( "Kasenna servers use an old and nonstandard " \
  82     "dialect of RTSP. With this parameter VLC will try this dialect, but "\
  83     "then it cannot connect to normal RTSP servers." )
  84
  85 #define WMSERVER_TEXT N_("WMServer RTSP dialect")
  86 #define WMSERVER_LONGTEXT N_("WMServer uses an unstandard dialect " \
  87     "of RTSP. Selecting this parameter will tell VLC to assume some " \
  88     "options contrary to RFC 2326 guidelines.")
  89
  90 #define USER_TEXT N_("RTSP user name")
  91 #define USER_LONGTEXT N_("Sets the username for the connection, " \
  92     "if no username or password are set in the url.")
  93 #define PASS_TEXT N_("RTSP password")
  94 #define PASS_LONGTEXT N_("Sets the password for the connection, " \
  95     "if no username or password are set in the url.")
  96
  97 vlc_module_begin ()
  98     set_description( N_("RTP/RTSP/SDP demuxer (using Live555)" ) )
  99     set_capability( "demux", 50 )
 100     set_shortname( "RTP/RTSP")
 101     set_callbacks( Open, Close )
 102     add_shortcut( "live" )
 103     add_shortcut( "livedotcom" )
 104     set_category( CAT_INPUT )
 105     set_subcategory( SUBCAT_INPUT_DEMUX )
 106
 107     add_submodule ()
 108         set_description( N_("RTSP/RTP access and demux") )
 109         add_shortcut( "rtsp" )
 110         add_shortcut( "sdp" )
 111         add_shortcut( "live" )
 112         add_shortcut( "livedotcom" )
 113         set_capability( "access_demux", 0 )
 114         set_callbacks( Open, Close )
 115         add_bool( "rtsp-tcp", 0, NULL,
 116                   N_("Use RTP over RTSP (TCP)"),
 117                   N_("Use RTP over RTSP (TCP)"), true )
 118             change_safe()
 119         add_integer( "rtp-client-port", -1, NULL,
 120                   N_("Client port"),
 121                   N_("Port to use for the RTP source of the session"), true )
 122         add_bool( "rtsp-mcast", false, NULL,
 123                   N_("Force multicast RTP via RTSP"),
 124                   N_("Force multicast RTP via RTSP"), true )
 125             change_safe()
 126         add_bool( "rtsp-http", 0, NULL,
 127                   N_("Tunnel RTSP and RTP over HTTP"),
 128                   N_("Tunnel RTSP and RTP over HTTP"), true )
 129             change_safe()
 130         add_integer( "rtsp-http-port", 80, NULL,
 131                   N_("HTTP tunnel port"),
 132                   N_("Port to use for tunneling the RTSP/RTP over HTTP."),
 133                   true )
 134         add_integer("rtsp-caching", 4 * DEFAULT_PTS_DELAY / 1000, NULL,
 135                     CACHING_TEXT, CACHING_LONGTEXT, true )
 136             change_safe()
 137         add_bool(   "rtsp-kasenna", false, NULL, KASENNA_TEXT,
 138                     KASENNA_LONGTEXT, true )
 139         add_bool(   "rtsp-wmserver", false, NULL, WMSERVER_TEXT,
 140                     WMSERVER_LONGTEXT, true)
 141             change_safe()
 142         add_string( "rtsp-user", NULL, NULL, USER_TEXT,
 143                     USER_LONGTEXT, true )
 144         add_password( "rtsp-pwd", NULL, NULL, PASS_TEXT,
 145                       PASS_LONGTEXT, true )
 146 vlc_module_end ()
 147
 148
 149 /*****************************************************************************
 150  * Local prototypes
 151  *****************************************************************************/
 152
 153 typedef struct
 154 {
 155     demux_t         *p_demux;
 156     MediaSubsession *sub;
 157
 158     es_format_t     fmt;
 159     es_out_id_t     *p_es;
 160
 161     bool            b_muxed;
 162     bool            b_quicktime;
 163     bool            b_asf;
 164     bool            b_discard_trunc;
 165     stream_t        *p_out_muxed;    /* for muxed stream */
 166
 167     uint8_t         *p_buffer;
 168     unsigned int    i_buffer;
 169
 170     bool            b_rtcp_sync;
 171     char            waiting;
 172     int64_t         i_pts;
 173     float           i_npt;
 174
 175 } live_track_t;
 176
 177 struct timeout_thread_t
 178 {
 179     demux_sys_t  *p_sys;
 180     vlc_thread_t handle;
 181     bool         b_handle_keep_alive;
 182 };
 183
 184 struct demux_sys_t
 185 {
 186     char            *p_sdp;    /* XXX mallocated */
 187     char            *psz_path; /* URL-encoded path */
 188     vlc_url_t       url;
 189
 190     MediaSession     *ms;
 191     TaskScheduler    *scheduler;
 192     UsageEnvironment *env ;
 193     RTSPClient       *rtsp;
 194
 195     /* */
 196     int              i_track;
 197     live_track_t     **track;   /* XXX mallocated */
 198
 199     /* Weird formats */
 200     asf_header_t     asfh;
 201     stream_t         *p_out_asf;
 202     bool             b_real;
 203
 204     /* */
 205     int64_t          i_pcr; /* The clock */
 206     float            i_npt;
 207     float            i_npt_length;
 208     float            i_npt_start;
 209
 210     /* timeout thread information */
 211     int              i_timeout;     /* session timeout value in seconds */
 212     bool             b_timeout_call;/* mark to send an RTSP call to prevent server timeout */
 213     timeout_thread_t *p_timeout;    /* the actual thread that makes sure we don't timeout */
 214
 215     /* */
 216     bool             b_force_mcast;
 217     bool             b_multicast;   /* if one of the tracks is multicasted */
 218     bool             b_no_data;     /* if we never received any data */
 219     int              i_no_data_ti;  /* consecutive number of TaskInterrupt */
 220
 221     char             event;
 222
 223     bool             b_get_param;   /* Does the server support GET_PARAMETER */
 224     bool             b_paused;      /* Are we paused? */
 225 };
 226
 227 static int Demux  ( demux_t * );
 228 static int Control( demux_t *, int, va_list );
 229
 230 static int Connect      ( demux_t * );
 231 static int SessionsSetup( demux_t * );
 232 static int Play         ( demux_t *);
 233 static int ParseASF     ( demux_t * );
 234 static int RollOverTcp  ( demux_t * );
 235
 236 static void StreamRead  ( void *, unsigned int, unsigned int,
 237                           struct timeval, unsigned int );
 238 static void StreamClose ( void * );
 239 static void TaskInterrupt( void * );
 240
 241 static void* TimeoutPrevention( void * );
 242
 243 static unsigned char* parseH264ConfigStr( char const* configStr,
 244                                           unsigned int& configSize );
 245
 246 /*****************************************************************************
 247  * DemuxOpen:
 248  *****************************************************************************/
 249 static int  Open ( vlc_object_t *p_this )
 250 {
 251     demux_t     *p_demux = (demux_t*)p_this;
 252     demux_sys_t *p_sys = NULL;
 253
 254     int i_return;
 255     int i_error = VLC_EGENERIC;
 256
 257     if( p_demux->s )
 258     {
 259         /* See if it looks like a SDP
 260            v, o, s fields are mandatory and in this order */
 261         const uint8_t *p_peek;
 262         if( stream_Peek( p_demux->s, &p_peek, 7 ) < 7 ) return VLC_EGENERIC;
 263
 264         if( memcmp( p_peek, "v=0\r\n", 5 ) &&
 265             memcmp( p_peek, "v=0\n", 4 ) &&
 266             ( p_peek[0] < 'a' || p_peek[0] > 'z' || p_peek[1] != '=' ) )
 267         {
 268             return VLC_EGENERIC;
 269         }
 270     }
 271     else
 272     {
 273         var_Create( p_demux, "rtsp-caching", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
 274     }
 275
 276     p_demux->pf_demux  = Demux;
 277     p_demux->pf_control= Control;
 278     p_demux->p_sys     = p_sys = (demux_sys_t*)malloc( sizeof( demux_sys_t ) );
 279     if( !p_sys ) return VLC_ENOMEM;
 280
 281     p_sys->p_sdp = NULL;
 282     p_sys->scheduler = NULL;
 283     p_sys->env = NULL;
 284     p_sys->ms = NULL;
 285     p_sys->rtsp = NULL;
 286     p_sys->i_track = 0;
 287     p_sys->track   = NULL;
 288     p_sys->i_pcr = 0;
 289     p_sys->i_npt = 0.;
 290     p_sys->i_npt_start = 0.;
 291     p_sys->i_npt_length = 0.;
 292     p_sys->p_out_asf = NULL;
 293     p_sys->b_no_data = true;
 294     p_sys->i_no_data_ti = 0;
 295     p_sys->p_timeout = NULL;
 296     p_sys->i_timeout = 0;
 297     p_sys->b_timeout_call = false;
 298     p_sys->b_multicast = false;
 299     p_sys->b_real = false;
 300     p_sys->psz_path = strdup( p_demux->psz_path );
 301     p_sys->b_force_mcast = var_CreateGetBool( p_demux, "rtsp-mcast" );
 302     p_sys->b_get_param = false;
 303     p_sys->b_paused = false;
 304
 305     /* parse URL for rtsp://[user:[passwd]@]serverip:port/options */
 306     vlc_UrlParse( &p_sys->url, p_sys->psz_path, 0 );
 307
 308     if( ( p_sys->scheduler = BasicTaskScheduler::createNew() ) == NULL )
 309     {
 310         msg_Err( p_demux, "BasicTaskScheduler::createNew failed" );
 311         goto error;
 312     }
 313     if( !( p_sys->env = BasicUsageEnvironment::createNew(*p_sys->scheduler) ) )
 314     {
 315         msg_Err( p_demux, "BasicUsageEnvironment::createNew failed" );
 316         goto error;
 317     }
 318
 319     if( strcasecmp( p_demux->psz_access, "sdp" ) )
 320     {
 321         char *p = p_sys->psz_path;
 322         while( (p = strchr( p, ' ' )) != NULL ) *p = '+';
 323     }
 324
 325     if( p_demux->s != NULL )
 326     {
 327         /* Gather the complete sdp file */
 328         int     i_sdp       = 0;
 329         int     i_sdp_max   = 1000;
 330         uint8_t *p_sdp      = (uint8_t*) malloc( i_sdp_max );
 331
 332         if( !p_sdp )
 333         {
 334             i_error = VLC_ENOMEM;
 335             goto error;
 336         }
 337
 338         for( ;; )
 339         {
 340             int i_read = stream_Read( p_demux->s, &p_sdp[i_sdp],
 341                                       i_sdp_max - i_sdp - 1 );
 342
 343             if( !vlc_object_alive (p_demux) || p_demux->b_error )
 344             {
 345                 free( p_sdp );
 346                 goto error;
 347             }
 348
 349             if( i_read < 0 )
 350             {
 351                 msg_Err( p_demux, "failed to read SDP" );
 352                 free( p_sdp );
 353                 goto error;
 354             }
 355
 356             i_sdp += i_read;
 357
 358             if( i_read < i_sdp_max - i_sdp - 1 )
 359             {
 360                 p_sdp[i_sdp] = '\0';
 361                 break;
 362             }
 363
 364             i_sdp_max += 1000;
 365             p_sdp = (uint8_t*)realloc( p_sdp, i_sdp_max );
 366         }
 367         p_sys->p_sdp = (char*)p_sdp;
 368     }
 369     else if( ( p_demux->s == NULL ) &&
 370              !strcasecmp( p_demux->psz_access, "sdp" ) )
 371     {
 372         /* sdp:// link from SAP */
 373         p_sys->p_sdp = strdup( p_sys->psz_path );
 374     }
 375     else if( ( i_return = Connect( p_demux ) ) != VLC_SUCCESS )
 376     {
 377         msg_Err( p_demux, "Failed to connect with rtsp://%s", p_sys->psz_path );
 378         goto error;
 379     }
 380
 381     if( p_sys->p_sdp == NULL )
 382     {
 383         msg_Err( p_demux, "Failed to retrieve the RTSP Session Description" );
 384         i_error = VLC_ENOMEM;
 385         goto error;
 386     }
 387
 388     if( ( i_return = SessionsSetup( p_demux ) ) != VLC_SUCCESS )
 389     {
 390         msg_Err( p_demux, "Nothing to play for rtsp://%s", p_sys->psz_path );
 391         goto error;
 392     }
 393
 394     if( p_sys->b_real ) goto error;
 395
 396     if( ( i_return = Play( p_demux ) ) != VLC_SUCCESS )
 397         goto error;
 398
 399     if( p_sys->p_out_asf && ParseASF( p_demux ) )
 400     {
 401         msg_Err( p_demux, "cannot find a usable asf header" );
 402         /* TODO Clean tracks */
 403         goto error;
 404     }
 405
 406     if( p_sys->i_track <= 0 )
 407         goto error;
 408
 409     return VLC_SUCCESS;
 410
 411 error:
 412     Close( p_this );
 413     return i_error;
 414 }
 415
 416 /*****************************************************************************
 417  * DemuxClose:
 418  *****************************************************************************/
 419 static void Close( vlc_object_t *p_this )
 420 {
 421     demux_t *p_demux = (demux_t*)p_this;
 422     demux_sys_t *p_sys = p_demux->p_sys;
 423     int i;
 424
 425     for( i = 0; i < p_sys->i_track; i++ )
 426     {
 427         live_track_t *tk = p_sys->track[i];
 428
 429         if( tk->b_muxed ) stream_Delete( tk->p_out_muxed );
 430         es_format_Clean( &tk->fmt );
 431         free( tk->p_buffer );
 432         free( tk );
 433     }
 434
 435     if( p_sys->i_track ) free( p_sys->track );
 436     if( p_sys->p_out_asf ) stream_Delete( p_sys->p_out_asf );
 437     if( p_sys->rtsp && p_sys->ms ) p_sys->rtsp->teardownMediaSession( *p_sys->ms );
 438     if( p_sys->p_timeout )
 439     {
 440         vlc_cancel( p_sys->p_timeout->handle );
 441         vlc_join( p_sys->p_timeout->handle, NULL );
 442         free( p_sys->p_timeout );
 443     }
 444     if( p_sys->ms ) Medium::close( p_sys->ms );
 445     if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp );
 446     if( p_sys->env ) p_sys->env->reclaim();
 447     delete p_sys->scheduler;
 448     free( p_sys->p_sdp );
 449     free( p_sys->psz_path );
 450
 451     vlc_UrlClean( &p_sys->url );
 452
 453     free( p_sys );
 454 }
 455
 456 static inline const char *strempty( const char *s ) { return s?s:""; }
 457 static inline Boolean toBool( bool b ) { return b?True:False; } // silly, no?
 458
 459 /*****************************************************************************
 460  * Connect: connects to the RTSP server to setup the session DESCRIBE
 461  *****************************************************************************/
 462 static int Connect( demux_t *p_demux )
 463 {
 464     demux_sys_t *p_sys = p_demux->p_sys;
 465     Authenticator authenticator;
 466     bool b_firstpass  = true;
 467     char *psz_user    = NULL;
 468     char *psz_pwd     = NULL;
 469     char *psz_url     = NULL;
 470     char *psz_options = NULL;
 471     char *p_sdp       = NULL;
 472     int  i_http_port  = 0;
 473     int  i_ret        = VLC_SUCCESS;
 474
 475     /* Create the url using the port number if available */
 476     if( p_sys->url.i_port == 0 )
 477     {
 478         p_sys->url.i_port = 554;
 479         if( asprintf( &psz_url, "rtsp://%s", p_sys->psz_path ) == -1 )
 480             return VLC_ENOMEM;
 481     }
 482     else
 483     {
 484         if( asprintf( &psz_url, "rtsp://%s:%d%s", p_sys->url.psz_host,
 485                       p_sys->url.i_port, p_sys->url.psz_path ) == -1 )
 486             return VLC_ENOMEM;
 487     }
 488
 489     /* Get the user name and password */
 490     if( p_sys->url.psz_username || p_sys->url.psz_password )
 491     {
 492         psz_user = strdup( strempty( p_sys->url.psz_username ) );
 493         psz_pwd  = strdup( strempty( p_sys->url.psz_password ) );
 494     }
 495     else
 496     {
 497         psz_user = var_CreateGetString( p_demux, "rtsp-user" );
 498         psz_pwd  = var_CreateGetString( p_demux, "rtsp-pwd" );
 499     }
 500
 501 createnew:
 502     if( !vlc_object_alive (p_demux) || p_demux->b_error )
 503     {
 504         i_ret = VLC_EGENERIC;
 505         goto bailout;
 506     }
 507
 508     if( var_CreateGetBool( p_demux, "rtsp-http" ) )
 509         i_http_port = var_CreateGetInteger( p_demux, "rtsp-http-port" );
 510
 511     if( ( p_sys->rtsp = RTSPClient::createNew( *p_sys->env,
 512           var_CreateGetInteger( p_demux, "verbose" ) > 1,
 513           "VLC media player", i_http_port ) ) == NULL )
 514     {
 515         msg_Err( p_demux, "RTSPClient::createNew failed (%s)",
 516                  p_sys->env->getResultMsg() );
 517         i_ret = VLC_EGENERIC;
 518         goto bailout;
 519     }
 520
 521     /* Kasenna enables KeepAlive by analysing the User-Agent string.
 522      * Appending _KA to the string should be enough to enable this feature,
 523      * however, there is a bug where the _KA doesn't get parsed from the
 524      * default User-Agent as created by VLC/Live555 code. This is probably due
 525      * to spaces in the string or the string being too long. Here we override
 526      * the default string with a more compact version.
 527      */
 528     if( var_CreateGetBool( p_demux, "rtsp-kasenna" ))
 529     {
 530         p_sys->rtsp->setUserAgentString( "VLC_MEDIA_PLAYER_KA" );
 531     }
 532
 533 describe:
 534     authenticator.setUsernameAndPassword( psz_user, psz_pwd );
 535
 536     /* */
 537     { /* i_timeout hack scope */
 538 #if LIVEMEDIA_LIBRARY_VERSION_INT >= 1223337600
 539     const int i_timeout = var_CreateGetInteger(p_demux, "ipv4-timeout") / 1000;
 540     psz_options = p_sys->rtsp->sendOptionsCmd( psz_url, psz_user, psz_pwd,
 541                                                &authenticator, i_timeout );
 542 #else
 543     psz_options = p_sys->rtsp->sendOptionsCmd( psz_url, psz_user, psz_pwd,
 544                                                &authenticator );
 545 #endif
 546     if( psz_options == NULL && authenticator.realm() != NULL )
 547     {
 548         // try again, with the realm set this time
 549 #if LIVEMEDIA_LIBRARY_VERSION_INT >= 1223337600
 550         psz_options = p_sys->rtsp->sendOptionsCmd( psz_url, psz_user, psz_pwd,
 551                                                &authenticator, i_timeout );
 552 #else
 553         psz_options = p_sys->rtsp->sendOptionsCmd( psz_url, psz_user, psz_pwd,
 554                                                &authenticator );
 555 #endif
 556     }
 557     if( psz_options )
 558         p_sys->b_get_param = (bool)strstr( psz_options, "GET_PARAMETER" );
 559     delete [] psz_options;
 560
 561     if( var_CreateGetBool( p_demux, "rtsp-wmserver" ) )
 562        p_sys->b_get_param = true;
 563
 564 #if LIVEMEDIA_LIBRARY_VERSION_INT >= 1223337600
 565     p_sdp = p_sys->rtsp->describeWithPassword( psz_url, psz_user, psz_pwd,
 566                           var_GetBool( p_demux, "rtsp-kasenna" ), i_timeout );
 567 #else
 568     p_sdp = p_sys->rtsp->describeWithPassword( psz_url, psz_user, psz_pwd,
 569                                      var_GetBool( p_demux, "rtsp-kasenna" ) );
 570 #endif
 571     } /* i_timeout scope end */
 572
 573     if( p_sdp == NULL )
 574     {
 575         /* failure occurred */
 576         int i_code = 0;
 577         const char *psz_error = p_sys->env->getResultMsg();
 578
 579         if( var_GetBool( p_demux, "rtsp-http" ) )
 580             sscanf( psz_error, "%*s %*s HTTP GET %*s HTTP/%*u.%*u %3u %*s",
 581                     &i_code );
 582         else
 583         {
 584             const char *psz_tmp = strstr( psz_error, "RTSP" );
 585             if( psz_tmp )
 586                 sscanf( psz_tmp, "RTSP/%*s%3u", &i_code );
 587             else
 588                 i_code = 0;
 589         }
 590         msg_Dbg( p_demux, "DESCRIBE failed with %d: %s", i_code, psz_error );
 591
 592         if( b_firstpass )
 593         {   /* describeURL always returns an "RTSP/1.0 401 Unauthorized" the
 594              * first time. This is a workaround to avoid asking for a
 595              * user/passwd the first time the code passess here. */
 596             i_code = 0;
 597             b_firstpass = false;
 598         }
 599
 600         if( i_code == 401 )
 601         {
 602             msg_Dbg( p_demux, "authentication failed" );
 603
 604             free( psz_user );
 605             free( psz_pwd );
 606             dialog_Login( p_demux, &psz_user, &psz_pwd,
 607                           _("RTSP authentication"), "%s",
 608                         _("Please enter a valid login name and a password.") );
 609             if( psz_user != NULL && psz_pwd != NULL )
 610             {
 611                 msg_Dbg( p_demux, "retrying with user=%s", psz_user );
 612                 goto describe;
 613             }
 614         }
 615         else if( (i_code != 0) && !var_GetBool( p_demux, "rtsp-http" ) )
 616         {
 617             /* Perhaps a firewall is being annoying. Try HTTP tunneling mode */
 618             msg_Dbg( p_demux, "we will now try HTTP tunneling mode" );
 619             var_SetBool( p_demux, "rtsp-http", true );
 620             if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp );
 621             p_sys->rtsp = NULL;
 622             goto createnew;
 623         }
 624         else
 625         {
 626             msg_Dbg( p_demux, "connection timeout" );
 627             if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp );
 628             p_sys->rtsp = NULL;
 629         }
 630         i_ret = VLC_EGENERIC;
 631     }
 632
 633     free( p_sys->p_sdp );
 634     p_sys->p_sdp = NULL;
 635     if( p_sdp ) p_sys->p_sdp = strdup( (char*)p_sdp );
 636     delete[] p_sdp;
 637
 638 bailout:
 639     /* malloc-ated copy */
 640     free( psz_url );
 641     free( psz_user );
 642     free( psz_pwd );
 643
 644     return i_ret;
 645 }
 646
 647 /*****************************************************************************
 648  * SessionsSetup: prepares the subsessions and does the SETUP
 649  *****************************************************************************/
 650 static int SessionsSetup( demux_t *p_demux )
 651 {
 652     demux_sys_t             *p_sys  = p_demux->p_sys;
 653     MediaSubsessionIterator *iter   = NULL;
 654     MediaSubsession         *sub    = NULL;
 655
 656     bool           b_rtsp_tcp = false;
 657     int            i_client_port;
 658     int            i_return = VLC_SUCCESS;
 659     unsigned int   i_buffer = 0;
 660     unsigned const thresh = 200000; /* RTP reorder threshold .2 second (default .1) */
 661
 662     b_rtsp_tcp    = var_CreateGetBool( p_demux, "rtsp-tcp" ) ||
 663                     var_GetBool( p_demux, "rtsp-http" );
 664     i_client_port = var_CreateGetInteger( p_demux, "rtp-client-port" );
 665
 666     /* Create the session from the SDP */
 667     if( !( p_sys->ms = MediaSession::createNew( *p_sys->env, p_sys->p_sdp ) ) )
 668     {
 669         msg_Err( p_demux, "Could not create the RTSP Session: %s",
 670             p_sys->env->getResultMsg() );
 671         return VLC_EGENERIC;
 672     }
 673
 674     /* Initialise each media subsession */
 675     iter = new MediaSubsessionIterator( *p_sys->ms );
 676     while( ( sub = iter->next() ) != NULL )
 677     {
 678         Boolean bInit;
 679         live_track_t *tk;
 680
 681         if( !vlc_object_alive (p_demux) || p_demux->b_error )
 682         {
 683             delete iter;
 684             return VLC_EGENERIC;
 685         }
 686
 687         /* Value taken from mplayer */
 688         if( !strcmp( sub->mediumName(), "audio" ) )
 689             i_buffer = 100000;
 690         else if( !strcmp( sub->mediumName(), "video" ) )
 691             i_buffer = 2000000;
 692         else continue;
 693
 694         if( i_client_port != -1 )
 695         {
 696             sub->setClientPortNum( i_client_port );
 697             i_client_port += 2;
 698         }
 699
 700         if( strcasestr( sub->codecName(), "REAL" ) )
 701         {
 702             msg_Info( p_demux, "real codec detected, using real-RTSP instead" );
 703             p_sys->b_real = true; /* This is a problem, we'll handle it later */
 704             continue;
 705         }
 706
 707         if( !strcmp( sub->codecName(), "X-ASF-PF" ) )
 708             bInit = sub->initiate( 4 ); /* Constant ? */
 709         else
 710             bInit = sub->initiate();
 711
 712         if( !bInit )
 713         {
 714             msg_Warn( p_demux, "RTP subsession '%s/%s' failed (%s)",
 715                       sub->mediumName(), sub->codecName(),
 716                       p_sys->env->getResultMsg() );
 717         }
 718         else
 719         {
 720             if( sub->rtpSource() != NULL )
 721             {
 722                 int fd = sub->rtpSource()->RTPgs()->socketNum();
 723
 724                 /* Increase the buffer size */
 725                 if( i_buffer > 0 )
 726                     increaseReceiveBufferTo( *p_sys->env, fd, i_buffer );
 727
 728                 /* Increase the RTP reorder timebuffer just a bit */
 729                 sub->rtpSource()->setPacketReorderingThresholdTime(thresh);
 730             }
 731             msg_Dbg( p_demux, "RTP subsession '%s/%s'", sub->mediumName(),
 732                      sub->codecName() );
 733
 734             /* Issue the SETUP */
 735             if( p_sys->rtsp )
 736             {
 737                 if( !p_sys->rtsp->setupMediaSubsession( *sub, False,
 738                                                         toBool( b_rtsp_tcp ),
 739                              toBool( p_sys->b_force_mcast && !b_rtsp_tcp ) ) )
 740                 {
 741                     /* if we get an unsupported transport error, toggle TCP
 742                      * use and try again */
 743                     if( !strstr(p_sys->env->getResultMsg(),
 744                                 "461 Unsupported Transport")
 745                         || !p_sys->rtsp->setupMediaSubsession( *sub, False,
 746                                                toBool( b_rtsp_tcp ), False ) )
 747                     {
 748                         msg_Err( p_demux, "SETUP of'%s/%s' failed %s",
 749                                  sub->mediumName(), sub->codecName(),
 750                                  p_sys->env->getResultMsg() );
 751                         continue;
 752                     }
 753                 }
 754             }
 755
 756             /* Check if we will receive data from this subsession for
 757              * this track */
 758             if( sub->readSource() == NULL ) continue;
 759             if( !p_sys->b_multicast )
 760             {
 761                 /* We need different rollover behaviour for multicast */
 762                 p_sys->b_multicast = IsMulticastAddress( sub->connectionEndpointAddress() );
 763             }
 764
 765             tk = (live_track_t*)malloc( sizeof( live_track_t ) );
 766             if( !tk )
 767             {
 768                 delete iter;
 769                 return VLC_ENOMEM;
 770             }
 771             tk->p_demux     = p_demux;
 772             tk->sub         = sub;
 773             tk->p_es        = NULL;
 774             tk->b_quicktime = false;
 775             tk->b_asf       = false;
 776             tk->b_muxed     = false;
 777             tk->b_discard_trunc = false;
 778             tk->p_out_muxed = NULL;
 779             tk->waiting     = 0;
 780             tk->b_rtcp_sync = false;
 781             tk->i_pts       = 0;
 782             tk->i_npt       = 0.;
 783             tk->i_buffer    = 65536;
 784             tk->p_buffer    = (uint8_t *)malloc( 65536 );
 785             if( !tk->p_buffer )
 786             {
 787                 free( tk );
 788                 delete iter;
 789                 return VLC_ENOMEM;
 790             }
 791
 792             /* Value taken from mplayer */
 793             if( !strcmp( sub->mediumName(), "audio" ) )
 794             {
 795                 es_format_Init( &tk->fmt, AUDIO_ES, VLC_FOURCC('u','n','d','f') );
 796                 tk->fmt.audio.i_channels = sub->numChannels();
 797                 tk->fmt.audio.i_rate = sub->rtpTimestampFrequency();
 798
 799                 if( !strcmp( sub->codecName(), "MPA" ) ||
 800                     !strcmp( sub->codecName(), "MPA-ROBUST" ) ||
 801                     !strcmp( sub->codecName(), "X-MP3-DRAFT-00" ) )
 802                 {
 803                     tk->fmt.i_codec = VLC_CODEC_MPGA;
 804                     tk->fmt.audio.i_rate = 0;
 805                 }
 806                 else if( !strcmp( sub->codecName(), "AC3" ) )
 807                 {
 808                     tk->fmt.i_codec = VLC_CODEC_A52;
 809                     tk->fmt.audio.i_rate = 0;
 810                 }
 811                 else if( !strcmp( sub->codecName(), "L16" ) )
 812                 {
 813                     tk->fmt.i_codec = VLC_FOURCC( 't', 'w', 'o', 's' );
 814                     tk->fmt.audio.i_bitspersample = 16;
 815                 }
 816                 else if( !strcmp( sub->codecName(), "L8" ) )
 817                 {
 818                     tk->fmt.i_codec = VLC_FOURCC( 'a', 'r', 'a', 'w' );
 819                     tk->fmt.audio.i_bitspersample = 8;
 820                 }
 821                 else if( !strcmp( sub->codecName(), "PCMU" ) )
 822                 {
 823                     tk->fmt.i_codec = VLC_CODEC_MULAW;
 824                 }
 825                 else if( !strcmp( sub->codecName(), "PCMA" ) )
 826                 {
 827                     tk->fmt.i_codec = VLC_CODEC_ALAW;
 828                 }
 829                 else if( !strncmp( sub->codecName(), "G726", 4 ) )
 830                 {
 831                     tk->fmt.i_codec = VLC_CODEC_ADPCM_G726;
 832                     tk->fmt.audio.i_rate = 8000;
 833                     tk->fmt.audio.i_channels = 1;
 834                     if( !strcmp( sub->codecName()+5, "40" ) )
 835                         tk->fmt.i_bitrate = 40000;
 836                     else if( !strcmp( sub->codecName()+5, "32" ) )
 837                         tk->fmt.i_bitrate = 32000;
 838                     else if( !strcmp( sub->codecName()+5, "24" ) )
 839                         tk->fmt.i_bitrate = 24000;
 840                     else if( !strcmp( sub->codecName()+5, "16" ) )
 841                         tk->fmt.i_bitrate = 16000;
 842                 }
 843                 else if( !strcmp( sub->codecName(), "AMR" ) )
 844                 {
 845                     tk->fmt.i_codec = VLC_CODEC_AMR_NB;
 846                 }
 847                 else if( !strcmp( sub->codecName(), "AMR-WB" ) )
 848                 {
 849                     tk->fmt.i_codec = VLC_CODEC_AMR_WB;
 850                 }
 851                 else if( !strcmp( sub->codecName(), "MP4A-LATM" ) )
 852                 {
 853                     unsigned int i_extra;
 854                     uint8_t      *p_extra;
 855
 856                     tk->fmt.i_codec = VLC_CODEC_MP4A;
 857
 858                     if( ( p_extra = parseStreamMuxConfigStr( sub->fmtp_config(),
 859                                                              i_extra ) ) )
 860                     {
 861                         tk->fmt.i_extra = i_extra;
 862                         tk->fmt.p_extra = malloc( i_extra );
 863                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
 864                         delete[] p_extra;
 865                     }
 866                     /* Because the "faad" decoder does not handle the LATM
 867                      * data length field at the start of each returned LATM
 868                      * frame, tell the RTP source to omit it. */
 869                     ((MPEG4LATMAudioRTPSource*)sub->rtpSource())->omitLATMDataLengthField();
 870                 }
 871                 else if( !strcmp( sub->codecName(), "MPEG4-GENERIC" ) )
 872                 {
 873                     unsigned int i_extra;
 874                     uint8_t      *p_extra;
 875
 876                     tk->fmt.i_codec = VLC_CODEC_MP4A;
 877
 878                     if( ( p_extra = parseGeneralConfigStr( sub->fmtp_config(),
 879                                                            i_extra ) ) )
 880                     {
 881                         tk->fmt.i_extra = i_extra;
 882                         tk->fmt.p_extra = malloc( i_extra );
 883                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
 884                         delete[] p_extra;
 885                     }
 886                 }
 887                 else if( !strcmp( sub->codecName(), "X-ASF-PF" ) )
 888                 {
 889                     tk->b_asf = true;
 890                     if( p_sys->p_out_asf == NULL )
 891                         p_sys->p_out_asf = stream_DemuxNew( p_demux, "asf",
 892                                                             p_demux->out );
 893                 }
 894                 else if( !strcmp( sub->codecName(), "X-QT" ) ||
 895                          !strcmp( sub->codecName(), "X-QUICKTIME" ) )
 896                 {
 897                     tk->b_quicktime = true;
 898                 }
 899                 else if( !strcmp( sub->codecName(), "SPEEX" ) )
 900                 {
 901                     tk->fmt.i_codec = VLC_FOURCC( 's', 'p', 'x', 'r' );
 902                     if ( sub->rtpTimestampFrequency() )
 903                         tk->fmt.audio.i_rate = sub->rtpTimestampFrequency();
 904                     else
 905                     {
 906                         msg_Warn( p_demux,"Using 8kHz as default sample rate." );
 907                         tk->fmt.audio.i_rate = 8000;
 908                     }
 909                 }
 910             }
 911             else if( !strcmp( sub->mediumName(), "video" ) )
 912             {
 913                 es_format_Init( &tk->fmt, VIDEO_ES, VLC_FOURCC('u','n','d','f') );
 914                 if( !strcmp( sub->codecName(), "MPV" ) )
 915                 {
 916                     tk->fmt.i_codec = VLC_CODEC_MPGV;
 917                 }
 918                 else if( !strcmp( sub->codecName(), "H263" ) ||
 919                          !strcmp( sub->codecName(), "H263-1998" ) ||
 920                          !strcmp( sub->codecName(), "H263-2000" ) )
 921                 {
 922                     tk->fmt.i_codec = VLC_CODEC_H263;
 923                 }
 924                 else if( !strcmp( sub->codecName(), "H261" ) )
 925                 {
 926                     tk->fmt.i_codec = VLC_CODEC_H261;
 927                 }
 928                 else if( !strcmp( sub->codecName(), "H264" ) )
 929                 {
 930                     unsigned int i_extra = 0;
 931                     uint8_t      *p_extra = NULL;
 932
 933                     tk->fmt.i_codec = VLC_CODEC_H264;
 934                     tk->fmt.b_packetized = false;
 935
 936                     if((p_extra=parseH264ConfigStr( sub->fmtp_spropparametersets(),
 937                                                     i_extra ) ) )
 938                     {
 939                         tk->fmt.i_extra = i_extra;
 940                         tk->fmt.p_extra = malloc( i_extra );
 941                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
 942
 943                         delete[] p_extra;
 944                     }
 945                 }
 946                 else if( !strcmp( sub->codecName(), "JPEG" ) )
 947                 {
 948                     tk->fmt.i_codec = VLC_CODEC_MJPG;
 949                 }
 950                 else if( !strcmp( sub->codecName(), "MP4V-ES" ) )
 951                 {
 952                     unsigned int i_extra;
 953                     uint8_t      *p_extra;
 954
 955                     tk->fmt.i_codec = VLC_CODEC_MP4V;
 956
 957                     if( ( p_extra = parseGeneralConfigStr( sub->fmtp_config(),
 958                                                            i_extra ) ) )
 959                     {
 960                         tk->fmt.i_extra = i_extra;
 961                         tk->fmt.p_extra = malloc( i_extra );
 962                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
 963                         delete[] p_extra;
 964                     }
 965                 }
 966                 else if( !strcmp( sub->codecName(), "X-QT" ) ||
 967                          !strcmp( sub->codecName(), "X-QUICKTIME" ) ||
 968                          !strcmp( sub->codecName(), "X-QDM" ) ||
 969                          !strcmp( sub->codecName(), "X-SV3V-ES" )  ||
 970                          !strcmp( sub->codecName(), "X-SORENSONVIDEO" ) )
 971                 {
 972                     tk->b_quicktime = true;
 973                 }
 974                 else if( !strcmp( sub->codecName(), "MP2T" ) )
 975                 {
 976                     tk->b_muxed = true;
 977                     tk->p_out_muxed = stream_DemuxNew( p_demux, "ts", p_demux->out );
 978                 }
 979                 else if( !strcmp( sub->codecName(), "MP2P" ) ||
 980                          !strcmp( sub->codecName(), "MP1S" ) )
 981                 {
 982                     tk->b_muxed = true;
 983                     tk->p_out_muxed = stream_DemuxNew( p_demux, "ps",
 984                                                        p_demux->out );
 985                 }
 986                 else if( !strcmp( sub->codecName(), "X-ASF-PF" ) )
 987                 {
 988                     tk->b_asf = true;
 989                     if( p_sys->p_out_asf == NULL )
 990                         p_sys->p_out_asf = stream_DemuxNew( p_demux, "asf",
 991                                                             p_demux->out );;
 992                 }
 993                 else if( !strcmp( sub->codecName(), "DV" ) )
 994                 {
 995                     tk->b_muxed = true;
 996                     tk->b_discard_trunc = true;
 997                     tk->p_out_muxed = stream_DemuxNew( p_demux, "rawdv",
 998                                                        p_demux->out );
 999                 }
1000             }
1001
1002             if( !tk->b_quicktime && !tk->b_muxed && !tk->b_asf )
1003             {
1004                 tk->p_es = es_out_Add( p_demux->out, &tk->fmt );
1005             }
1006
1007             if( sub->rtcpInstance() != NULL )
1008             {
1009                 sub->rtcpInstance()->setByeHandler( StreamClose, tk );
1010             }
1011
1012             if( tk->p_es || tk->b_quicktime || tk->b_muxed || tk->b_asf )
1013             {
1014                 /* Append */
1015                 p_sys->track = (live_track_t**)realloc( p_sys->track, sizeof( live_track_t ) * ( p_sys->i_track + 1 ) );
1016                 p_sys->track[p_sys->i_track++] = tk;
1017             }
1018             else
1019             {
1020                 /* BUG ??? */
1021                 msg_Err( p_demux, "unusable RTSP track. this should not happen" );
1022                 es_format_Clean( &tk->fmt );
1023                 free( tk );
1024             }
1025         }
1026     }
1027     delete iter;
1028     if( p_sys->i_track <= 0 ) i_return = VLC_EGENERIC;
1029
1030     /* Retrieve the starttime if possible */
1031     p_sys->i_npt_start = p_sys->ms->playStartTime();
1032
1033     /* Retrieve the duration if possible */
1034     p_sys->i_npt_length = p_sys->ms->playEndTime();
1035
1036     /* */
1037     msg_Dbg( p_demux, "setup start: %f stop:%f", p_sys->i_npt_start, p_sys->i_npt_length );
1038
1039     /* */
1040     p_sys->b_no_data = true;
1041     p_sys->i_no_data_ti = 0;
1042
1043     return i_return;
1044 }
1045
1046 /*****************************************************************************
1047  * Play: starts the actual playback of the stream
1048  *****************************************************************************/
1049 static int Play( demux_t *p_demux )
1050 {
1051     demux_sys_t *p_sys = p_demux->p_sys;
1052
1053     if( p_sys->rtsp )
1054     {
1055         /* The PLAY */
1056         if( !p_sys->rtsp->playMediaSession( *p_sys->ms, p_sys->i_npt_start, -1, 1 ) )
1057         {
1058             msg_Err( p_demux, "RTSP PLAY failed %s", p_sys->env->getResultMsg() );
1059             return VLC_EGENERIC;
1060         }
1061
1062         /* Retrieve the timeout value and set up a timeout prevention thread */
1063         p_sys->i_timeout = p_sys->rtsp->sessionTimeoutParameter();
1064         if( p_sys->i_timeout <= 0 )
1065             p_sys->i_timeout = 60; /* default value from RFC2326 */
1066
1067         /* start timeout-thread only if GET_PARAMETER is supported by the server */
1068         if( !p_sys->p_timeout && p_sys->b_get_param )
1069         {
1070             msg_Dbg( p_demux, "We have a timeout of %d seconds",  p_sys->i_timeout );
1071             p_sys->p_timeout = (timeout_thread_t *)malloc( sizeof(timeout_thread_t) );
1072             if( p_sys->p_timeout )
1073             {
1074                 memset( p_sys->p_timeout, 0, sizeof(timeout_thread_t) );
1075                 p_sys->p_timeout->p_sys = p_demux->p_sys; /* lol, object recursion :D */
1076                 if( vlc_clone( &p_sys->p_timeout->handle,  TimeoutPrevention,
1077                                p_sys->p_timeout, VLC_THREAD_PRIORITY_LOW ) )
1078                 {
1079                     msg_Err( p_demux, "cannot spawn liveMedia timeout thread" );
1080                     free( p_sys->p_timeout );
1081                     p_sys->p_timeout = NULL;
1082                 }
1083                 else
1084                     msg_Dbg( p_demux, "spawned timeout thread" );
1085             }
1086             else
1087                 msg_Err( p_demux, "cannot spawn liveMedia timeout thread" );
1088         }
1089     }
1090     p_sys->i_pcr = 0;
1091
1092     /* Retrieve the starttime if possible */
1093     p_sys->i_npt_start = p_sys->ms->playStartTime();
1094     if( p_sys->ms->playEndTime() > 0 )
1095         p_sys->i_npt_length = p_sys->ms->playEndTime();
1096
1097     msg_Dbg( p_demux, "play start: %f stop:%f", p_sys->i_npt_start, p_sys->i_npt_length );
1098     return VLC_SUCCESS;
1099 }
1100
1101
1102 /*****************************************************************************
1103  * Demux:
1104  *****************************************************************************/
1105 static int Demux( demux_t *p_demux )
1106 {
1107     demux_sys_t    *p_sys = p_demux->p_sys;
1108     TaskToken      task;
1109
1110     bool            b_send_pcr = true;
1111     int64_t         i_pcr = 0;
1112     int             i;
1113
1114     /* Check if we need to send the server a Keep-A-Live signal */
1115     if( p_sys->b_timeout_call && p_sys->rtsp && p_sys->ms )
1116     {
1117         char *psz_bye = NULL;
1118         p_sys->rtsp->getMediaSessionParameter( *p_sys->ms, NULL, psz_bye );
1119         p_sys->b_timeout_call = false;
1120     }
1121
1122     for( i = 0; i < p_sys->i_track; i++ )
1123     {
1124         live_track_t *tk = p_sys->track[i];
1125
1126         if( tk->b_asf || tk->b_muxed )
1127             b_send_pcr = false;
1128 #if 0
1129         if( i_pcr == 0 )
1130         {
1131             i_pcr = tk->i_pts;
1132         }
1133         else if( tk->i_pts != 0 && i_pcr > tk->i_pts )
1134         {
1135             i_pcr = tk->i_pts ;
1136         }
1137 #endif
1138     }
1139     if( p_sys->i_pcr > 0 )
1140     {
1141         if( b_send_pcr )
1142             es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_sys->i_pcr );
1143     }
1144
1145     /* First warn we want to read data */
1146     p_sys->event = 0;
1147     for( i = 0; i < p_sys->i_track; i++ )
1148     {
1149         live_track_t *tk = p_sys->track[i];
1150
1151         if( tk->waiting == 0 )
1152         {
1153             tk->waiting = 1;
1154             tk->sub->readSource()->getNextFrame( tk->p_buffer, tk->i_buffer,
1155                                           StreamRead, tk, StreamClose, tk );
1156         }
1157     }
1158     /* Create a task that will be called if we wait more than 300ms */
1159     task = p_sys->scheduler->scheduleDelayedTask( 300000, TaskInterrupt, p_demux );
1160
1161     /* Do the read */
1162     p_sys->scheduler->doEventLoop( &p_sys->event );
1163
1164     /* remove the task */
1165     p_sys->scheduler->unscheduleDelayedTask( task );
1166
1167     /* Check for gap in pts value */
1168     for( i = 0; i < p_sys->i_track; i++ )
1169     {
1170         live_track_t *tk = p_sys->track[i];
1171
1172         if( !tk->b_muxed && !tk->b_rtcp_sync &&
1173             tk->sub->rtpSource() && tk->sub->rtpSource()->hasBeenSynchronizedUsingRTCP() )
1174         {
1175             msg_Dbg( p_demux, "tk->rtpSource->hasBeenSynchronizedUsingRTCP()" );
1176
1177             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
1178             tk->b_rtcp_sync = true;
1179             /* reset PCR */
1180             tk->i_pts = 0;
1181             tk->i_npt = 0.;
1182             p_sys->i_pcr = 0;
1183             p_sys->i_npt = 0.;
1184             i_pcr = 0;
1185         }
1186     }
1187
1188     if( p_sys->b_multicast && p_sys->b_no_data &&
1189         ( p_sys->i_no_data_ti > 120 ) )
1190     {
1191         /* FIXME Make this configurable
1192         msg_Err( p_demux, "no multicast data received in 36s, aborting" );
1193         return 0;
1194         */
1195     }
1196     else if( !p_sys->b_multicast && !p_sys->b_paused &&
1197               p_sys->b_no_data && ( p_sys->i_no_data_ti > 34 ) )
1198     {
1199         bool b_rtsp_tcp = var_GetBool( p_demux, "rtsp-tcp" ) ||
1200                                 var_GetBool( p_demux, "rtsp-http" );
1201
1202         if( !b_rtsp_tcp && p_sys->rtsp && p_sys->ms )
1203         {
1204             msg_Warn( p_demux, "no data received in 10s. Switching to TCP" );
1205             if( RollOverTcp( p_demux ) )
1206             {
1207                 msg_Err( p_demux, "TCP rollover failed, aborting" );
1208                 return 0;
1209             }
1210             return 1;
1211         }
1212         msg_Err( p_demux, "no data received in 10s, aborting" );
1213         return 0;
1214     }
1215     else if( !p_sys->b_multicast && !p_sys->b_paused &&
1216              ( p_sys->i_no_data_ti > 34 ) )
1217     {
1218         /* EOF ? */
1219         msg_Warn( p_demux, "no data received in 10s, eof ?" );
1220         return 0;
1221     }
1222     return p_demux->b_error ? 0 : 1;
1223 }
1224
1225 /*****************************************************************************
1226  * Control:
1227  *****************************************************************************/
1228 static int Control( demux_t *p_demux, int i_query, va_list args )
1229 {
1230     demux_sys_t *p_sys = p_demux->p_sys;
1231     int64_t *pi64, i64;
1232     double  *pf, f;
1233     bool *pb, *pb2, b_bool;
1234     int *pi_int;
1235
1236     switch( i_query )
1237     {
1238         case DEMUX_GET_TIME:
1239             pi64 = (int64_t*)va_arg( args, int64_t * );
1240             if( p_sys->i_npt > 0 )
1241             {
1242                 *pi64 = (int64_t)(p_sys->i_npt * 1000000.);
1243                 return VLC_SUCCESS;
1244             }
1245             return VLC_EGENERIC;
1246
1247         case DEMUX_GET_LENGTH:
1248             pi64 = (int64_t*)va_arg( args, int64_t * );
1249             if( p_sys->i_npt_length > 0 )
1250             {
1251                 *pi64 = (int64_t)((double)p_sys->i_npt_length * 1000000.0);
1252                 return VLC_SUCCESS;
1253             }
1254             return VLC_EGENERIC;
1255
1256         case DEMUX_GET_POSITION:
1257             pf = (double*)va_arg( args, double* );
1258             if( (p_sys->i_npt_length > 0) && (p_sys->i_npt > 0) )
1259             {
1260                 *pf = ( (double)p_sys->i_npt / (double)p_sys->i_npt_length );
1261                 return VLC_SUCCESS;
1262             }
1263             return VLC_EGENERIC;
1264
1265         case DEMUX_SET_POSITION:
1266         case DEMUX_SET_TIME:
1267             if( p_sys->rtsp && (p_sys->i_npt_length > 0) )
1268             {
1269                 int i;
1270                 float time;
1271
1272                 if( (i_query == DEMUX_SET_TIME) && (p_sys->i_npt > 0) )
1273                 {
1274                     i64 = (int64_t)va_arg( args, int64_t );
1275                     time = (float)((double)i64 / (double)1000000.0); /* in second */
1276                 }
1277                 else if( i_query == DEMUX_SET_TIME )
1278                     return VLC_EGENERIC;
1279                 else
1280                 {
1281                     f = (double)va_arg( args, double );
1282                     time = f * (double)p_sys->i_npt_length;   /* in second */
1283                 }
1284
1285                 if( !p_sys->rtsp->pauseMediaSession( *p_sys->ms ) ||
1286                     !p_sys->rtsp->playMediaSession( *p_sys->ms, time, -1, 1 ) )
1287                 {
1288                     msg_Err( p_demux, "PLAY failed %s",
1289                         p_sys->env->getResultMsg() );
1290                     return VLC_EGENERIC;
1291                 }
1292                 p_sys->i_pcr = 0;
1293
1294                 /* Retrieve RTP-Info values */
1295                 for( i = 0; i < p_sys->i_track; i++ )
1296                 {
1297                     p_sys->track[i]->b_rtcp_sync = false;
1298                     p_sys->track[i]->i_pts = 0;
1299                 }
1300
1301                 /* Retrieve the starttime if possible */
1302                 p_sys->i_npt = p_sys->i_npt_start = p_sys->ms->playStartTime();
1303
1304                 /* Retrieve the duration if possible */
1305                 if( p_sys->ms->playEndTime() > 0 )
1306                     p_sys->i_npt_length = p_sys->ms->playEndTime();
1307
1308                 msg_Dbg( p_demux, "seek start: %f stop:%f", p_sys->i_npt_start, p_sys->i_npt_length );
1309                 return VLC_SUCCESS;
1310             }
1311             return VLC_EGENERIC;
1312
1313         /* Special for access_demux */
1314         case DEMUX_CAN_PAUSE:
1315         case DEMUX_CAN_SEEK:
1316             pb = (bool*)va_arg( args, bool * );
1317             if( p_sys->rtsp && p_sys->i_npt_length > 0 )
1318                 /* Not always true, but will be handled in SET_PAUSE_STATE */
1319                 *pb = true;
1320             else
1321                 *pb = false;
1322             return VLC_SUCCESS;
1323
1324         case DEMUX_CAN_CONTROL_PACE:
1325             pb = (bool*)va_arg( args, bool * );
1326
1327 #if 1       /* Disable for now until we have a clock synchro algo
1328              * which works with something else than MPEG over UDP */
1329             *pb = false;
1330 #else
1331             *pb = true;
1332 #endif
1333             return VLC_SUCCESS;
1334
1335         case DEMUX_CAN_CONTROL_RATE:
1336             pb = (bool*)va_arg( args, bool * );
1337             pb2 = (bool*)va_arg( args, bool * );
1338
1339             *pb = (p_sys->rtsp != NULL) &&
1340                     (p_sys->i_npt_length > 0) &&
1341                     ( !var_GetBool( p_demux, "rtsp-kasenna" ) ||
1342                       !var_GetBool( p_demux, "rtsp-wmserver" ) );
1343             *pb2 = false;
1344             return VLC_SUCCESS;
1345
1346         case DEMUX_SET_RATE:
1347         {
1348             double f_scale, f_old_scale;
1349
1350             if( !p_sys->rtsp || (p_sys->i_npt_length <= 0) ||
1351                 var_GetBool( p_demux, "rtsp-kasenna" ) ||
1352                 var_GetBool( p_demux, "rtsp-wmserver" ) )
1353                 return VLC_EGENERIC;
1354
1355             /* According to RFC 2326 p56 chapter 12.35 a RTSP server that
1356              * supports Scale:
1357              *
1358              * "[...] should try to approximate the viewing rate, but
1359              *  may restrict the range of scale values that it supports.
1360              *  The response MUST contain the actual scale value chosen
1361              *  by the server."
1362              *
1363              * Scale = 1 indicates normal play
1364              * Scale > 1 indicates fast forward
1365              * Scale < 1 && Scale > 0 indicates slow motion
1366              * Scale < 0 value indicates rewind
1367              */
1368
1369             pi_int = (int*)va_arg( args, int * );
1370             f_scale = (double)INPUT_RATE_DEFAULT / (*pi_int);
1371             f_old_scale = p_sys->ms->scale();
1372
1373             /* Passing -1 for the start and end time will mean liveMedia won't
1374              * create a Range: section for the RTSP message. The server should
1375              * pick up from the current position */
1376             if( !p_sys->rtsp->playMediaSession( *p_sys->ms, -1, -1, f_scale ) )
1377             {
1378                 msg_Err( p_demux, "PLAY with Scale %0.2f failed %s", f_scale,
1379                         p_sys->env->getResultMsg() );
1380                 return VLC_EGENERIC;
1381             }
1382
1383             if( p_sys->ms->scale() == f_old_scale )
1384             {
1385                 msg_Err( p_demux, "no scale change using old Scale %0.2f",
1386                           p_sys->ms->scale() );
1387                 return VLC_EGENERIC;
1388             }
1389
1390             /* ReSync the stream */
1391             p_sys->i_npt_start = 0;
1392             p_sys->i_pcr = 0;
1393             p_sys->i_npt = 0.0;
1394
1395             *pi_int = (int)( INPUT_RATE_DEFAULT / p_sys->ms->scale() );
1396             msg_Dbg( p_demux, "PLAY with new Scale %0.2f (%d)", p_sys->ms->scale(), (*pi_int) );
1397             return VLC_SUCCESS;
1398         }
1399
1400         case DEMUX_SET_PAUSE_STATE:
1401         {
1402             int i;
1403
1404             p_sys->b_paused = (bool)va_arg( args, int );
1405             if( p_sys->rtsp == NULL )
1406                 return VLC_EGENERIC;
1407
1408             /* FIXME */
1409             if( ( p_sys->b_paused && !p_sys->rtsp->pauseMediaSession( *p_sys->ms ) ) ||
1410                     ( !p_sys->b_paused && !p_sys->rtsp->playMediaSession( *p_sys->ms,
1411                        -1 ) ) )
1412             {
1413                     msg_Err( p_demux, "PLAY or PAUSE failed %s", p_sys->env->getResultMsg() );
1414                     return VLC_EGENERIC;
1415             }
1416
1417             /* When we Pause, we'll need the TimeoutPrevention thread to
1418              * handle sending the "Keep Alive" message to the server.
1419              * Unfortunately Live555 isn't thread safe and so can't
1420              * do this normally while the main Demux thread is handling
1421              * a live stream. We end up with the Timeout thread blocking
1422              * waiting for a response from the server. So when we PAUSE
1423              * we set a flag that the TimeoutPrevention function will check
1424              * and if it's set, it will trigger the GET_PARAMETER message */
1425             if( p_sys->b_paused && p_sys->p_timeout != NULL )
1426                 p_sys->p_timeout->b_handle_keep_alive = true;
1427             else if( !p_sys->b_paused && p_sys->p_timeout != NULL )
1428                 p_sys->p_timeout->b_handle_keep_alive = false;
1429
1430             for( i = 0; !b_bool && i < p_sys->i_track; i++ )
1431             {
1432                 live_track_t *tk = p_sys->track[i];
1433                 tk->b_rtcp_sync = false;
1434                 tk->i_pts = 0;
1435                 p_sys->i_pcr = 0;
1436                 es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
1437             }
1438
1439             /* Reset data received counter */
1440             p_sys->i_no_data_ti = 0;
1441
1442             /* Retrieve the starttime if possible */
1443             p_sys->i_npt_start = p_sys->ms->playStartTime();
1444
1445             /* Retrieve the duration if possible */
1446             if( p_sys->ms->playEndTime() )
1447                 p_sys->i_npt_length = p_sys->ms->playEndTime();
1448
1449             msg_Dbg( p_demux, "pause start: %f stop:%f", p_sys->i_npt_start, p_sys->i_npt_length );
1450             return VLC_SUCCESS;
1451         }
1452         case DEMUX_GET_TITLE_INFO:
1453         case DEMUX_SET_TITLE:
1454         case DEMUX_SET_SEEKPOINT:
1455             return VLC_EGENERIC;
1456
1457         case DEMUX_GET_PTS_DELAY:
1458             pi64 = (int64_t*)va_arg( args, int64_t * );
1459             *pi64 = (int64_t)var_GetInteger( p_demux, "rtsp-caching" ) * 1000;
1460             return VLC_SUCCESS;
1461
1462         default:
1463             return VLC_EGENERIC;
1464     }
1465 }
1466
1467 /*****************************************************************************
1468  * RollOverTcp: reopen the rtsp into TCP mode
1469  * XXX: ugly, a lot of code are duplicated from Open()
1470  * This should REALLY be fixed
1471  *****************************************************************************/
1472 static int RollOverTcp( demux_t *p_demux )
1473 {
1474     demux_sys_t *p_sys = p_demux->p_sys;
1475     int i, i_return;
1476
1477     var_SetBool( p_demux, "rtsp-tcp", true );
1478
1479     /* We close the old RTSP session */
1480     for( i = 0; i < p_sys->i_track; i++ )
1481     {
1482         live_track_t *tk = p_sys->track[i];
1483
1484         if( tk->b_muxed ) stream_Delete( tk->p_out_muxed );
1485         if( tk->p_es ) es_out_Del( p_demux->out, tk->p_es );
1486         es_format_Clean( &tk->fmt );
1487         free( tk->p_buffer );
1488         free( tk );
1489     }
1490     if( p_sys->i_track ) free( p_sys->track );
1491     if( p_sys->p_out_asf ) stream_Delete( p_sys->p_out_asf );
1492
1493     p_sys->rtsp->teardownMediaSession( *p_sys->ms );
1494     Medium::close( p_sys->ms );
1495     RTSPClient::close( p_sys->rtsp );
1496
1497     p_sys->ms = NULL;
1498     p_sys->rtsp = NULL;
1499     p_sys->track = NULL;
1500     p_sys->i_track = 0;
1501     p_sys->b_no_data = true;
1502     p_sys->i_no_data_ti = 0;
1503
1504     /* Reopen rtsp client */
1505     if( ( i_return = Connect( p_demux ) ) != VLC_SUCCESS )
1506     {
1507         msg_Err( p_demux, "Failed to connect with rtsp://%s",
1508                  p_sys->psz_path );
1509         goto error;
1510     }
1511
1512     if( p_sys->p_sdp == NULL )
1513     {
1514         msg_Err( p_demux, "Failed to retrieve the RTSP Session Description" );
1515         goto error;
1516     }
1517
1518     if( ( i_return = SessionsSetup( p_demux ) ) != VLC_SUCCESS )
1519     {
1520         msg_Err( p_demux, "Nothing to play for rtsp://%s", p_sys->psz_path );
1521         goto error;
1522     }
1523
1524     if( ( i_return = Play( p_demux ) ) != VLC_SUCCESS )
1525         goto error;
1526
1527     return VLC_SUCCESS;
1528
1529 error:
1530     return VLC_EGENERIC;
1531 }
1532
1533
1534 /*****************************************************************************
1535  *
1536  *****************************************************************************/
1537 static void StreamRead( void *p_private, unsigned int i_size,
1538                         unsigned int i_truncated_bytes, struct timeval pts,
1539                         unsigned int duration )
1540 {
1541     live_track_t   *tk = (live_track_t*)p_private;
1542     demux_t        *p_demux = tk->p_demux;
1543     demux_sys_t    *p_sys = p_demux->p_sys;
1544     block_t        *p_block;
1545
1546     //msg_Dbg( p_demux, "pts: %d", pts.tv_sec );
1547
1548     int64_t i_pts = (int64_t)pts.tv_sec * INT64_C(1000000) +
1549         (int64_t)pts.tv_usec;
1550
1551     /* XXX Beurk beurk beurk Avoid having negative value XXX */
1552     i_pts &= INT64_C(0x00ffffffffffffff);
1553
1554     /* Retrieve NPT for this pts */
1555     tk->i_npt = tk->sub->getNormalPlayTime(pts);
1556
1557     if( tk->b_quicktime && tk->p_es == NULL )
1558     {
1559         QuickTimeGenericRTPSource *qtRTPSource =
1560             (QuickTimeGenericRTPSource*)tk->sub->rtpSource();
1561         QuickTimeGenericRTPSource::QTState &qtState = qtRTPSource->qtState;
1562         uint8_t *sdAtom = (uint8_t*)&qtState.sdAtom[4];
1563
1564         if( tk->fmt.i_cat == VIDEO_ES ) {
1565             if( qtState.sdAtomSize < 16 + 32 )
1566             {
1567                 /* invalid */
1568                 p_sys->event = 0xff;
1569                 tk->waiting = 0;
1570                 return;
1571             }
1572             tk->fmt.i_codec = VLC_FOURCC(sdAtom[0],sdAtom[1],sdAtom[2],sdAtom[3]);
1573             tk->fmt.video.i_width  = (sdAtom[28] << 8) | sdAtom[29];
1574             tk->fmt.video.i_height = (sdAtom[30] << 8) | sdAtom[31];
1575
1576             if( tk->fmt.i_codec == VLC_FOURCC('a', 'v', 'c', '1') )
1577             {
1578                 uint8_t *pos = (uint8_t*)qtRTPSource->qtState.sdAtom + 86;
1579                 uint8_t *endpos = (uint8_t*)qtRTPSource->qtState.sdAtom
1580                                   + qtRTPSource->qtState.sdAtomSize;
1581                 while (pos+8 < endpos) {
1582                     unsigned int atomLength = pos[0]<<24 | pos[1]<<16 | pos[2]<<8 | pos[3];
1583                     if( atomLength == 0 || atomLength > (unsigned int)(endpos-pos)) break;
1584                     if( memcmp(pos+4, "avcC", 4) == 0 &&
1585                         atomLength > 8 &&
1586                         atomLength <= INT_MAX )
1587                     {
1588                         tk->fmt.i_extra = atomLength-8;
1589                         tk->fmt.p_extra = malloc( tk->fmt.i_extra );
1590                         memcpy(tk->fmt.p_extra, pos+8, atomLength-8);
1591                         break;
1592                     }
1593                     pos += atomLength;
1594                 }
1595             }
1596             else
1597             {
1598                 tk->fmt.i_extra        = qtState.sdAtomSize - 16;
1599                 tk->fmt.p_extra        = malloc( tk->fmt.i_extra );
1600                 memcpy( tk->fmt.p_extra, &sdAtom[12], tk->fmt.i_extra );
1601             }
1602         }
1603         else {
1604             if( qtState.sdAtomSize < 4 )
1605             {
1606                 /* invalid */
1607                 p_sys->event = 0xff;
1608                 tk->waiting = 0;
1609                 return;
1610             }
1611             tk->fmt.i_codec = VLC_FOURCC(sdAtom[0],sdAtom[1],sdAtom[2],sdAtom[3]);
1612         }
1613         tk->p_es = es_out_Add( p_demux->out, &tk->fmt );
1614     }
1615
1616 #if 0
1617     fprintf( stderr, "StreamRead size=%d pts=%lld\n",
1618              i_size,
1619              pts.tv_sec * 1000000LL + pts.tv_usec );
1620 #endif
1621
1622     /* grow buffer if it looks like buffer is too small, but don't eat
1623      * up all the memory on strange streams */
1624     if( i_truncated_bytes > 0 )
1625     {
1626         if( tk->i_buffer < 2000000 )
1627         {
1628             void *p_tmp;
1629             msg_Dbg( p_demux, "lost %d bytes", i_truncated_bytes );
1630             msg_Dbg( p_demux, "increasing buffer size to %d", tk->i_buffer * 2 );
1631             p_tmp = realloc( tk->p_buffer, tk->i_buffer * 2 );
1632             if( p_tmp == NULL )
1633             {
1634                 msg_Warn( p_demux, "realloc failed" );
1635             }
1636             else
1637             {
1638                 tk->p_buffer = (uint8_t*)p_tmp;
1639                 tk->i_buffer *= 2;
1640             }
1641         }
1642
1643         if( tk->b_discard_trunc )
1644         {
1645             p_sys->event = 0xff;
1646             tk->waiting = 0;
1647             return;
1648         }
1649     }
1650
1651     assert( i_size <= tk->i_buffer );
1652
1653     if( tk->fmt.i_codec == VLC_CODEC_AMR_NB ||
1654         tk->fmt.i_codec == VLC_CODEC_AMR_WB )
1655     {
1656         AMRAudioSource *amrSource = (AMRAudioSource*)tk->sub->readSource();
1657
1658         p_block = block_New( p_demux, i_size + 1 );
1659         p_block->p_buffer[0] = amrSource->lastFrameHeader();
1660         memcpy( p_block->p_buffer + 1, tk->p_buffer, i_size );
1661     }
1662     else if( tk->fmt.i_codec == VLC_CODEC_H261 )
1663     {
1664         H261VideoRTPSource *h261Source = (H261VideoRTPSource*)tk->sub->rtpSource();
1665         uint32_t header = h261Source->lastSpecialHeader();
1666         p_block = block_New( p_demux, i_size + 4 );
1667         memcpy( p_block->p_buffer, &header, 4 );
1668         memcpy( p_block->p_buffer + 4, tk->p_buffer, i_size );
1669
1670         if( tk->sub->rtpSource()->curPacketMarkerBit() )
1671             p_block->i_flags |= BLOCK_FLAG_END_OF_FRAME;
1672     }
1673     else if( tk->fmt.i_codec == VLC_CODEC_H264 )
1674     {
1675         if( (tk->p_buffer[0] & 0x1f) >= 24 )
1676             msg_Warn( p_demux, "unsupported NAL type for H264" );
1677
1678         /* Normal NAL type */
1679         p_block = block_New( p_demux, i_size + 4 );
1680         p_block->p_buffer[0] = 0x00;
1681         p_block->p_buffer[1] = 0x00;
1682         p_block->p_buffer[2] = 0x00;
1683         p_block->p_buffer[3] = 0x01;
1684         memcpy( &p_block->p_buffer[4], tk->p_buffer, i_size );
1685     }
1686     else if( tk->b_asf )
1687     {
1688         int i_copy = __MIN( p_sys->asfh.i_min_data_packet_size, (int)i_size );
1689         p_block = block_New( p_demux, p_sys->asfh.i_min_data_packet_size );
1690
1691         memcpy( p_block->p_buffer, tk->p_buffer, i_copy );
1692     }
1693     else
1694     {
1695         p_block = block_New( p_demux, i_size );
1696         memcpy( p_block->p_buffer, tk->p_buffer, i_size );
1697     }
1698
1699     if( p_sys->i_pcr < i_pts )
1700     {
1701         p_sys->i_pcr = i_pts;
1702     }
1703
1704     if( (i_pts != tk->i_pts) && (!tk->b_muxed) )
1705     {
1706         p_block->i_pts = i_pts;
1707     }
1708
1709     /* Update our global npt value */
1710     if( tk->i_npt > 0 && tk->i_npt > p_sys->i_npt && tk->i_npt < p_sys->i_npt_length)
1711         p_sys->i_npt = tk->i_npt;
1712
1713     if( !tk->b_muxed )
1714     {
1715         /*FIXME: for h264 you should check that packetization-mode=1 in sdp-file */
1716         p_block->i_dts = ( tk->fmt.i_codec == VLC_CODEC_MPGV ) ? 0 : i_pts;
1717     }
1718
1719     if( tk->b_muxed )
1720     {
1721         stream_DemuxSend( tk->p_out_muxed, p_block );
1722     }
1723     else if( tk->b_asf )
1724     {
1725         stream_DemuxSend( p_sys->p_out_asf, p_block );
1726     }
1727     else
1728     {
1729         es_out_Send( p_demux->out, tk->p_es, p_block );
1730     }
1731
1732     /* warn that's ok */
1733     p_sys->event = 0xff;
1734
1735     /* we have read data */
1736     tk->waiting = 0;
1737     p_demux->p_sys->b_no_data = false;
1738     p_demux->p_sys->i_no_data_ti = 0;
1739
1740     if( i_pts > 0 && !tk->b_muxed )
1741     {
1742         tk->i_pts = i_pts;
1743     }
1744 }
1745
1746 /*****************************************************************************
1747  *
1748  *****************************************************************************/
1749 static void StreamClose( void *p_private )
1750 {
1751     live_track_t   *tk = (live_track_t*)p_private;
1752     demux_t        *p_demux = tk->p_demux;
1753     demux_sys_t    *p_sys = p_demux->p_sys;
1754
1755     msg_Dbg( p_demux, "StreamClose" );
1756
1757     p_sys->event = 0xff;
1758     p_demux->b_error = true;
1759 }
1760
1761
1762 /*****************************************************************************
1763  *
1764  *****************************************************************************/
1765 static void TaskInterrupt( void *p_private )
1766 {
1767     demux_t *p_demux = (demux_t*)p_private;
1768
1769     p_demux->p_sys->i_no_data_ti++;
1770
1771     /* Avoid lock */
1772     p_demux->p_sys->event = 0xff;
1773 }
1774
1775 /*****************************************************************************
1776  *
1777  *****************************************************************************/
1778 static void* TimeoutPrevention( void *p_data )
1779 {
1780     timeout_thread_t *p_timeout = (timeout_thread_t *)p_data;
1781
1782     for( ;; )
1783     {
1784         /* Voodoo (= no) thread safety here! *Ahem* */
1785         if( p_timeout->b_handle_keep_alive )
1786         {
1787             char *psz_bye = NULL;
1788             int canc = vlc_savecancel ();
1789
1790             p_timeout->p_sys->rtsp->getMediaSessionParameter( *p_timeout->p_sys->ms, NULL, psz_bye );
1791             vlc_restorecancel (canc);
1792         }
1793         p_timeout->p_sys->b_timeout_call = !p_timeout->b_handle_keep_alive;
1794
1795         msleep (((int64_t)p_timeout->p_sys->i_timeout - 2) * CLOCK_FREQ);
1796     }
1797     assert(0); /* dead code */
1798 }
1799
1800 /*****************************************************************************
1801  *
1802  *****************************************************************************/
1803 static int ParseASF( demux_t *p_demux )
1804 {
1805     demux_sys_t    *p_sys = p_demux->p_sys;
1806
1807     const char *psz_marker = "a=pgmpu:data:application/vnd.ms.wms-hdr.asfv1;base64,";
1808     char *psz_asf = strcasestr( p_sys->p_sdp, psz_marker );
1809     char *psz_end;
1810     block_t *p_header;
1811
1812     /* Parse the asf header */
1813     if( psz_asf == NULL )
1814         return VLC_EGENERIC;
1815
1816     psz_asf += strlen( psz_marker );
1817     psz_asf = strdup( psz_asf );    /* Duplicate it */
1818     psz_end = strchr( psz_asf, '\n' );
1819
1820     while( psz_end > psz_asf && ( *psz_end == '\n' || *psz_end == '\r' ) )
1821         *psz_end-- = '\0';
1822
1823     if( psz_asf >= psz_end )
1824     {
1825         free( psz_asf );
1826         return VLC_EGENERIC;
1827     }
1828
1829     /* Always smaller */
1830     p_header = block_New( p_demux, psz_end - psz_asf );
1831     p_header->i_buffer = vlc_b64_decode_binary_to_buffer( p_header->p_buffer,
1832                                                p_header->i_buffer, psz_asf );
1833     //msg_Dbg( p_demux, "Size=%d Hdrb64=%s", p_header->i_buffer, psz_asf );
1834     if( p_header->i_buffer <= 0 )
1835     {
1836         free( psz_asf );
1837         return VLC_EGENERIC;
1838     }
1839
1840     /* Parse it to get packet size */
1841     asf_HeaderParse( &p_sys->asfh, p_header->p_buffer, p_header->i_buffer );
1842
1843     /* Send it to demuxer */
1844     stream_DemuxSend( p_sys->p_out_asf, p_header );
1845
1846     free( psz_asf );
1847     return VLC_SUCCESS;
1848 }
1849
1850
1851 static unsigned char* parseH264ConfigStr( char const* configStr,
1852                                           unsigned int& configSize )
1853 {
1854     char *dup, *psz;
1855     size_t i_records = 1;
1856
1857     configSize = 0;
1858
1859     if( configStr == NULL || *configStr == '\0' )
1860         return NULL;
1861
1862     psz = dup = strdup( configStr );
1863
1864     /* Count the number of commas */
1865     for( psz = dup; *psz != '\0'; ++psz )
1866     {
1867         if( *psz == ',')
1868         {
1869             ++i_records;
1870             *psz = '\0';
1871         }
1872     }
1873
1874     size_t configMax = 5*strlen(dup);
1875     unsigned char *cfg = new unsigned char[configMax];
1876     psz = dup;
1877     for( size_t i = 0; i < i_records; ++i )
1878     {
1879         cfg[configSize++] = 0x00;
1880         cfg[configSize++] = 0x00;
1881         cfg[configSize++] = 0x00;
1882         cfg[configSize++] = 0x01;
1883
1884         configSize += vlc_b64_decode_binary_to_buffer( cfg+configSize,
1885                                           configMax-configSize, psz );
1886         psz += strlen(psz)+1;
1887     }
1888
1889     free( dup );
1890     return cfg;
1891 }