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

   1 /*****************************************************************************
   2  * live555.cpp : LIVE555 Streaming Media support.
   3  *****************************************************************************
   4  * Copyright (C) 2003-2007 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Laurent Aimar <fenrir@via.ecp.fr>
   8  *          Derk-Jan Hartman <hartman at videolan. org>
   9  *          Derk-Jan Hartman <djhartman at m2x .dot. nl> for M2X
  10  *
  11  * This program is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License as published by
  13  * the Free Software Foundation; either version 2 of the License, or
  14  * (at your option) any later version.
  15  *
  16  * This program is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  * GNU General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License
  22  * along with this program; if not, write to the Free Software
  23  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  24  *****************************************************************************/
  25
  26 /*****************************************************************************
  27  * Preamble
  28  *****************************************************************************/
  29
  30 /* 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_network.h>
  47 #include <vlc_url.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 unstandard " \
  82     "dialect of RTSP. When you set this parameter, VLC will try this dialect "\
  83     "for communication. In this mode you cannot connect to normal RTSP servers." )
  84
  85 #define USER_TEXT N_("RTSP user name")
  86 #define USER_LONGTEXT N_("Allows you to modify the user name that will " \
  87     "be used for authenticating the connection.")
  88 #define PASS_TEXT N_("RTSP password")
  89 #define PASS_LONGTEXT N_("Allows you to modify the password that will be " \
  90     "used for the connection.")
  91
  92 vlc_module_begin ()
  93     set_description( N_("RTP/RTSP/SDP demuxer (using Live555)" ) )
  94     set_capability( "demux", 50 )
  95     set_shortname( "RTP/RTSP")
  96     set_callbacks( Open, Close )
  97     add_shortcut( "live" )
  98     add_shortcut( "livedotcom" )
  99     set_category( CAT_INPUT )
 100     set_subcategory( SUBCAT_INPUT_DEMUX )
 101
 102     add_submodule ()
 103         set_description( N_("RTSP/RTP access and demux") )
 104         add_shortcut( "rtsp" )
 105         add_shortcut( "sdp" )
 106         add_shortcut( "live" )
 107         add_shortcut( "livedotcom" )
 108         set_capability( "access_demux", 0 )
 109         set_callbacks( Open, Close )
 110         add_bool( "rtsp-tcp", 0, NULL,
 111                   N_("Use RTP over RTSP (TCP)"),
 112                   N_("Use RTP over RTSP (TCP)"), true )
 113             change_safe()
 114         add_integer( "rtp-client-port", -1, NULL,
 115                   N_("Client port"),
 116                   N_("Port to use for the RTP source of the session"), true )
 117         add_bool( "rtsp-mcast", false, NULL,
 118                   N_("Force multicast RTP via RTSP"),
 119                   N_("Force multicast RTP via RTSP"), true )
 120         add_bool( "rtsp-http", 0, NULL,
 121                   N_("Tunnel RTSP and RTP over HTTP"),
 122                   N_("Tunnel RTSP and RTP over HTTP"), true )
 123         add_integer( "rtsp-http-port", 80, NULL,
 124                   N_("HTTP tunnel port"),
 125                   N_("Port to use for tunneling the RTSP/RTP over HTTP."),
 126                   true )
 127         add_integer("rtsp-caching", 4 * DEFAULT_PTS_DELAY / 1000, NULL,
 128                     CACHING_TEXT, CACHING_LONGTEXT, true )
 129             change_safe()
 130         add_bool(   "rtsp-kasenna", false, NULL, KASENNA_TEXT,
 131                     KASENNA_LONGTEXT, true )
 132         add_string( "rtsp-user", NULL, NULL, USER_TEXT,
 133                     USER_LONGTEXT, true )
 134         add_string( "rtsp-pwd", NULL, NULL, PASS_TEXT,
 135                     PASS_LONGTEXT, true )
 136 vlc_module_end ()
 137
 138
 139 /*****************************************************************************
 140  * Local prototypes
 141  *****************************************************************************/
 142
 143 typedef struct
 144 {
 145     demux_t         *p_demux;
 146     MediaSubsession *sub;
 147
 148     es_format_t     fmt;
 149     es_out_id_t     *p_es;
 150
 151     bool            b_muxed;
 152     bool            b_quicktime;
 153     bool            b_asf;
 154     stream_t        *p_out_muxed;    /* for muxed stream */
 155
 156     uint8_t         *p_buffer;
 157     unsigned int    i_buffer;
 158
 159     bool            b_rtcp_sync;
 160     char            waiting;
 161     int64_t         i_pts;
 162     float           i_npt;
 163
 164 } live_track_t;
 165
 166 struct timeout_thread_t
 167 {
 168     demux_sys_t  *p_sys;
 169     vlc_thread_t handle;
 170     bool         b_handle_keep_alive;
 171 };
 172
 173 struct demux_sys_t
 174 {
 175     char            *p_sdp;    /* XXX mallocated */
 176     char            *psz_path; /* URL-encoded path */
 177     vlc_url_t       url;
 178
 179     MediaSession     *ms;
 180     TaskScheduler    *scheduler;
 181     UsageEnvironment *env ;
 182     RTSPClient       *rtsp;
 183
 184     /* */
 185     int              i_track;
 186     live_track_t     **track;   /* XXX mallocated */
 187
 188     /* Weird formats */
 189     asf_header_t     asfh;
 190     stream_t         *p_out_asf;
 191     bool             b_real;
 192
 193     /* */
 194     int64_t          i_pcr; /* The clock */
 195     float            i_npt;
 196     float            i_npt_length;
 197     float            i_npt_start;
 198
 199     /* timeout thread information */
 200     int              i_timeout;     /* session timeout value in seconds */
 201     bool             b_timeout_call;/* mark to send an RTSP call to prevent server timeout */
 202     timeout_thread_t *p_timeout;    /* the actual thread that makes sure we don't timeout */
 203
 204     /* */
 205     bool             b_force_mcast;
 206     bool             b_multicast;   /* if one of the tracks is multicasted */
 207     bool             b_no_data;     /* if we never received any data */
 208     int              i_no_data_ti;  /* consecutive number of TaskInterrupt */
 209
 210     char             event;
 211
 212     bool             b_get_param;   /* Does the server support GET_PARAMETER */
 213 };
 214
 215 static int Demux  ( demux_t * );
 216 static int Control( demux_t *, int, va_list );
 217
 218 static int Connect      ( demux_t * );
 219 static int SessionsSetup( demux_t * );
 220 static int Play         ( demux_t *);
 221 static int ParseASF     ( demux_t * );
 222 static int RollOverTcp  ( demux_t * );
 223
 224 static void StreamRead  ( void *, unsigned int, unsigned int,
 225                           struct timeval, unsigned int );
 226 static void StreamClose ( void * );
 227 static void TaskInterrupt( void * );
 228
 229 static void* TimeoutPrevention( void * );
 230
 231 static unsigned char* parseH264ConfigStr( char const* configStr,
 232                                           unsigned int& configSize );
 233
 234 /*****************************************************************************
 235  * DemuxOpen:
 236  *****************************************************************************/
 237 static int  Open ( vlc_object_t *p_this )
 238 {
 239     demux_t     *p_demux = (demux_t*)p_this;
 240     demux_sys_t *p_sys = NULL;
 241
 242     int i, i_return;
 243     int i_error = VLC_EGENERIC;
 244
 245     if( p_demux->s )
 246     {
 247         /* See if it looks like a SDP
 248            v, o, s fields are mandatory and in this order */
 249         const uint8_t *p_peek;
 250         if( stream_Peek( p_demux->s, &p_peek, 7 ) < 7 ) return VLC_EGENERIC;
 251
 252         if( memcmp( p_peek, "v=0\r\n", 5 ) &&
 253             memcmp( p_peek, "v=0\n", 4 ) &&
 254             ( p_peek[0] < 'a' || p_peek[0] > 'z' || p_peek[1] != '=' ) )
 255         {
 256             return VLC_EGENERIC;
 257         }
 258     }
 259     else
 260     {
 261         var_Create( p_demux, "rtsp-caching", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
 262     }
 263
 264     p_demux->pf_demux  = Demux;
 265     p_demux->pf_control= Control;
 266     p_demux->p_sys     = p_sys = (demux_sys_t*)malloc( sizeof( demux_sys_t ) );
 267     if( !p_sys ) return VLC_ENOMEM;
 268
 269     p_sys->p_sdp = NULL;
 270     p_sys->scheduler = NULL;
 271     p_sys->env = NULL;
 272     p_sys->ms = NULL;
 273     p_sys->rtsp = NULL;
 274     p_sys->i_track = 0;
 275     p_sys->track   = NULL;
 276     p_sys->i_pcr = 0;
 277     p_sys->i_npt = 0.;
 278     p_sys->i_npt_start = 0.;
 279     p_sys->i_npt_length = 0.;
 280     p_sys->p_out_asf = NULL;
 281     p_sys->b_no_data = true;
 282     p_sys->i_no_data_ti = 0;
 283     p_sys->p_timeout = NULL;
 284     p_sys->i_timeout = 0;
 285     p_sys->b_timeout_call = false;
 286     p_sys->b_multicast = false;
 287     p_sys->b_real = false;
 288     p_sys->psz_path = strdup( p_demux->psz_path );
 289     p_sys->b_force_mcast = var_CreateGetBool( p_demux, "rtsp-mcast" );
 290     p_sys->b_get_param = false;
 291
 292     /* parse URL for rtsp://[user:[passwd]@]serverip:port/options */
 293     vlc_UrlParse( &p_sys->url, p_sys->psz_path, 0 );
 294
 295     if( ( p_sys->scheduler = BasicTaskScheduler::createNew() ) == NULL )
 296     {
 297         msg_Err( p_demux, "BasicTaskScheduler::createNew failed" );
 298         goto error;
 299     }
 300     if( !( p_sys->env = BasicUsageEnvironment::createNew(*p_sys->scheduler) ) )
 301     {
 302         msg_Err( p_demux, "BasicUsageEnvironment::createNew failed" );
 303         goto error;
 304     }
 305
 306     if( strcasecmp( p_demux->psz_access, "sdp" ) )
 307     {
 308         char *p = p_sys->psz_path;
 309         while( (p = strchr( p, ' ' )) != NULL ) *p = '+';
 310     }
 311
 312     if( p_demux->s != NULL )
 313     {
 314         /* Gather the complete sdp file */
 315         int     i_sdp       = 0;
 316         int     i_sdp_max   = 1000;
 317         uint8_t *p_sdp      = (uint8_t*) malloc( i_sdp_max );
 318
 319         if( !p_sdp )
 320         {
 321             i_error = VLC_ENOMEM;
 322             goto error;
 323         }
 324
 325         for( ;; )
 326         {
 327             int i_read = stream_Read( p_demux->s, &p_sdp[i_sdp],
 328                                       i_sdp_max - i_sdp - 1 );
 329
 330             if( !vlc_object_alive (p_demux) || p_demux->b_error )
 331             {
 332                 free( p_sdp );
 333                 goto error;
 334             }
 335
 336             if( i_read < 0 )
 337             {
 338                 msg_Err( p_demux, "failed to read SDP" );
 339                 free( p_sdp );
 340                 goto error;
 341             }
 342
 343             i_sdp += i_read;
 344
 345             if( i_read < i_sdp_max - i_sdp - 1 )
 346             {
 347                 p_sdp[i_sdp] = '\0';
 348                 break;
 349             }
 350
 351             i_sdp_max += 1000;
 352             p_sdp = (uint8_t*)realloc( p_sdp, i_sdp_max );
 353         }
 354         p_sys->p_sdp = (char*)p_sdp;
 355     }
 356     else if( ( p_demux->s == NULL ) &&
 357              !strcasecmp( p_demux->psz_access, "sdp" ) )
 358     {
 359         /* sdp:// link from SAP */
 360         p_sys->p_sdp = strdup( p_sys->psz_path );
 361     }
 362     else if( ( i_return = Connect( p_demux ) ) != VLC_SUCCESS )
 363     {
 364         msg_Err( p_demux, "Failed to connect with rtsp://%s", p_sys->psz_path );
 365         goto error;
 366     }
 367
 368     if( p_sys->p_sdp == NULL )
 369     {
 370         msg_Err( p_demux, "Failed to retrieve the RTSP Session Description" );
 371         i_error = VLC_ENOMEM;
 372         goto error;
 373     }
 374
 375     if( ( i_return = SessionsSetup( p_demux ) ) != VLC_SUCCESS )
 376     {
 377         msg_Err( p_demux, "Nothing to play for rtsp://%s", p_sys->psz_path );
 378         goto error;
 379     }
 380
 381     if( p_sys->b_real ) goto error;
 382
 383     if( ( i_return = Play( p_demux ) ) != VLC_SUCCESS )
 384         goto error;
 385
 386     if( p_sys->p_out_asf && ParseASF( p_demux ) )
 387     {
 388         msg_Err( p_demux, "cannot find a usable asf header" );
 389         /* TODO Clean tracks */
 390         goto error;
 391     }
 392
 393     if( p_sys->i_track <= 0 )
 394         goto error;
 395
 396     return VLC_SUCCESS;
 397
 398 error:
 399     for( i = 0; i < p_sys->i_track; i++ )
 400     {
 401         live_track_t *tk = p_sys->track[i];
 402
 403         if( tk->b_muxed ) stream_Delete( tk->p_out_muxed );
 404         es_format_Clean( &tk->fmt );
 405         free( tk->p_buffer );
 406         free( tk );
 407     }
 408
 409     if( p_sys->i_track ) free( p_sys->track );
 410     if( p_sys->p_out_asf ) stream_Delete( p_sys->p_out_asf );
 411     if( p_sys->rtsp && p_sys->ms ) p_sys->rtsp->teardownMediaSession( *p_sys->ms );
 412     if( p_sys->p_timeout )
 413     {
 414         vlc_cancel( p_sys->p_timeout->handle );
 415         vlc_join( p_sys->p_timeout->handle, NULL );
 416         free( p_sys->p_timeout );
 417     }
 418     if( p_sys->ms ) Medium::close( p_sys->ms );
 419     if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp );
 420     if( p_sys->env ) p_sys->env->reclaim();
 421     delete p_sys->scheduler;
 422     free( p_sys->p_sdp );
 423     free( p_sys->psz_path );
 424
 425     vlc_UrlClean( &p_sys->url );
 426
 427     free( p_sys );
 428     return i_error;
 429 }
 430
 431 /*****************************************************************************
 432  * DemuxClose:
 433  *****************************************************************************/
 434 static void Close( vlc_object_t *p_this )
 435 {
 436     demux_t *p_demux = (demux_t*)p_this;
 437     demux_sys_t *p_sys = p_demux->p_sys;
 438     int i;
 439
 440     for( i = 0; i < p_sys->i_track; i++ )
 441     {
 442         live_track_t *tk = p_sys->track[i];
 443
 444         if( tk->b_muxed ) stream_Delete( tk->p_out_muxed );
 445         es_format_Clean( &tk->fmt );
 446         free( tk->p_buffer );
 447         free( tk );
 448     }
 449
 450     if( p_sys->i_track ) free( p_sys->track );
 451     if( p_sys->p_out_asf ) stream_Delete( p_sys->p_out_asf );
 452     if( p_sys->rtsp && p_sys->ms ) p_sys->rtsp->teardownMediaSession( *p_sys->ms );
 453     if( p_sys->p_timeout )
 454     {
 455         vlc_cancel( p_sys->p_timeout->handle );
 456         vlc_join( p_sys->p_timeout->handle, NULL );
 457         free( p_sys->p_timeout );
 458     }
 459     if( p_sys->ms ) Medium::close( p_sys->ms );
 460     if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp );
 461     if( p_sys->env ) p_sys->env->reclaim();
 462     delete p_sys->scheduler;
 463     free( p_sys->p_sdp );
 464     free( p_sys->psz_path );
 465
 466     vlc_UrlClean( &p_sys->url );
 467
 468     free( p_sys );
 469 }
 470
 471 /*****************************************************************************
 472  * Connect: connects to the RTSP server to setup the session DESCRIBE
 473  *****************************************************************************/
 474 static int Connect( demux_t *p_demux )
 475 {
 476     demux_sys_t *p_sys = p_demux->p_sys;
 477     Authenticator authenticator;
 478     bool b_firstpass  = true;
 479     char *psz_user    = NULL;
 480     char *psz_pwd     = NULL;
 481     char *psz_url     = NULL;
 482     char *psz_options = NULL;
 483     char *p_sdp       = NULL;
 484     int  i_http_port  = 0;
 485     int  i_ret        = VLC_SUCCESS;
 486
 487     if( p_sys->url.i_port == 0 ) p_sys->url.i_port = 554;
 488     if( p_sys->url.psz_username || p_sys->url.psz_password )
 489     {
 490         int err;
 491         err = asprintf( &psz_url, "rtsp://%s:%d%s", p_sys->url.psz_host,
 492                         p_sys->url.i_port, p_sys->url.psz_path );
 493         if( err == -1 ) return VLC_ENOMEM;
 494
 495         psz_user = strdup( p_sys->url.psz_username );
 496         psz_pwd  = strdup( p_sys->url.psz_password );
 497     }
 498     else
 499     {
 500         int err;
 501         err = asprintf( &psz_url, "rtsp://%s", p_sys->psz_path );
 502         if( err == -1 ) return VLC_ENOMEM;
 503
 504         psz_user = var_CreateGetString( p_demux, "rtsp-user" );
 505         psz_pwd  = var_CreateGetString( p_demux, "rtsp-pwd" );
 506     }
 507
 508 createnew:
 509     if( !vlc_object_alive (p_demux) || p_demux->b_error )
 510     {
 511         free( psz_user );
 512         free( psz_pwd );
 513         free( psz_url );
 514         return VLC_EGENERIC;
 515     }
 516
 517     if( var_CreateGetBool( p_demux, "rtsp-http" ) )
 518         i_http_port = var_CreateGetInteger( p_demux, "rtsp-http-port" );
 519
 520     if( ( p_sys->rtsp = RTSPClient::createNew( *p_sys->env,
 521           var_CreateGetInteger( p_demux, "verbose" ) > 1,
 522           "VLC media player", i_http_port ) ) == NULL )
 523     {
 524         msg_Err( p_demux, "RTSPClient::createNew failed (%s)",
 525                  p_sys->env->getResultMsg() );
 526         free( psz_user );
 527         free( psz_pwd );
 528         free( psz_url );
 529         return VLC_EGENERIC;
 530     }
 531
 532     /* Kasenna enables KeepAlive by analysing the User-Agent string.
 533      * Appending _KA to the string should be enough to enable this feature,
 534      * however, there is a bug where the _KA doesn't get parsed from the
 535      * default User-Agent as created by VLC/Live555 code. This is probably due
 536      * to spaces in the string or the string being too long. Here we override
 537      * the default string with a more compact version.
 538      */
 539     if( var_CreateGetBool( p_demux, "rtsp-kasenna" ))
 540     {
 541         p_sys->rtsp->setUserAgentString( "VLC_MEDIA_PLAYER_KA" );
 542     }
 543
 544 describe:
 545     authenticator.setUsernameAndPassword( (const char*)psz_user,
 546                                           (const char*)psz_pwd );
 547
 548     /* */
 549     const int i_timeout = var_CreateGetInteger(p_demux, "ipv4-timeout") / 1000;
 550
 551 #if LIVEMEDIA_LIBRARY_VERSION_INT >= 1223337600
 552     psz_options = p_sys->rtsp->sendOptionsCmd( psz_url, psz_user, psz_pwd,
 553                                                &authenticator, i_timeout );
 554 #else
 555     psz_options = p_sys->rtsp->sendOptionsCmd( psz_url, psz_user, psz_pwd,
 556                                                &authenticator );
 557 #endif
 558     if( psz_options == NULL && authenticator.realm() != NULL )
 559     {
 560         // try again, with the realm set this time
 561 #if LIVEMEDIA_LIBRARY_VERSION_INT >= 1223337600
 562         psz_options = p_sys->rtsp->sendOptionsCmd( psz_url, psz_user, psz_pwd,
 563                                                &authenticator, i_timeout );
 564 #else
 565         psz_options = p_sys->rtsp->sendOptionsCmd( psz_url, psz_user, psz_pwd,
 566                                                &authenticator );
 567 #endif
 568     }
 569     if( psz_options )
 570         p_sys->b_get_param = strstr( psz_options, "GET_PARAMETER" ) ? true : false ;
 571     delete [] psz_options;
 572
 573 #if LIVEMEDIA_LIBRARY_VERSION_INT >= 1223337600
 574     p_sdp = p_sys->rtsp->describeWithPassword( psz_url, (const char*)psz_user, (const char*)psz_pwd,
 575                                           var_GetBool( p_demux, "rtsp-kasenna" ), i_timeout );
 576 #else
 577     p_sdp = p_sys->rtsp->describeWithPassword( psz_url, (const char*)psz_user, (const char*)psz_pwd,
 578                                           var_GetBool( p_demux, "rtsp-kasenna" ) );
 579 #endif
 580
 581     if( p_sdp == NULL )
 582     {
 583         /* failure occurred */
 584         int i_code = 0;
 585         const char *psz_error = p_sys->env->getResultMsg();
 586
 587         if( var_GetBool( p_demux, "rtsp-http" ) )
 588             sscanf( psz_error, "%*s %*s HTTP GET %*s HTTP/%*u.%*u %3u %*s",
 589                     &i_code );
 590         else
 591         {
 592             const char *psz_tmp = strstr( psz_error, "RTSP" );
 593             if( psz_tmp )
 594                 sscanf( psz_tmp, "RTSP/%*s%3u", &i_code );
 595             else
 596                 i_code = 0;
 597         }
 598         msg_Dbg( p_demux, "DESCRIBE failed with %d: %s", i_code, psz_error );
 599
 600         if( b_firstpass )
 601         {   /* describeURL always returns an "RTSP/1.0 401 Unauthorized" the
 602              * first time. This is a workaround to avoid asking for a
 603              * user/passwd the first time the code passess here. */
 604             i_code = 0;
 605             b_firstpass = false;
 606         }
 607
 608         if( i_code == 401 )
 609         {
 610             msg_Dbg( p_demux, "authentication failed" );
 611
 612             free( psz_user );
 613             free( psz_pwd );
 614             dialog_Login( p_demux, &psz_user, &psz_pwd,
 615                           _("RTSP authentication"),
 616                         _("Please enter a valid login name and a password.") );
 617             if( psz_user != NULL && psz_pwd != NULL )
 618             {
 619                 msg_Dbg( p_demux, "retrying with user=%s, pwd=%s",
 620                          psz_user, psz_pwd );
 621                 goto describe;
 622             }
 623         }
 624         else if( (i_code != 0) && !var_GetBool( p_demux, "rtsp-http" ) )
 625         {
 626             /* Perhaps a firewall is being annoying. Try HTTP tunneling mode */
 627             vlc_value_t val;
 628             val.b_bool = true;
 629             msg_Dbg( p_demux, "we will now try HTTP tunneling mode" );
 630             var_Set( p_demux, "rtsp-http", val );
 631             if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp );
 632             p_sys->rtsp = NULL;
 633             goto createnew;
 634         }
 635         else
 636         {
 637             msg_Dbg( p_demux, "connection timeout" );
 638             if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp );
 639             p_sys->rtsp = NULL;
 640         }
 641         i_ret = VLC_EGENERIC;
 642     }
 643
 644     /* malloc-ated copy */
 645     free( psz_url );
 646     free( psz_user );
 647     free( psz_pwd );
 648
 649     free( p_sys->p_sdp );
 650     p_sys->p_sdp = NULL;
 651     if( p_sdp ) p_sys->p_sdp = strdup( (char*)p_sdp );
 652     delete[] p_sdp;
 653
 654     return i_ret;
 655 }
 656
 657 /*****************************************************************************
 658  * SessionsSetup: prepares the subsessions and does the SETUP
 659  *****************************************************************************/
 660 static int SessionsSetup( demux_t *p_demux )
 661 {
 662     demux_sys_t             *p_sys  = p_demux->p_sys;
 663     MediaSubsessionIterator *iter   = NULL;
 664     MediaSubsession         *sub    = NULL;
 665
 666     bool           b_rtsp_tcp = false;
 667     int            i_client_port;
 668     int            i_return = VLC_SUCCESS;
 669     unsigned int   i_buffer = 0;
 670     unsigned const thresh = 200000; /* RTP reorder threshold .2 second (default .1) */
 671
 672     b_rtsp_tcp    = var_CreateGetBool( p_demux, "rtsp-tcp" ) ||
 673                     var_GetBool( p_demux, "rtsp-http" );
 674     i_client_port = var_CreateGetInteger( p_demux, "rtp-client-port" );
 675
 676     /* Create the session from the SDP */
 677     if( !( p_sys->ms = MediaSession::createNew( *p_sys->env, p_sys->p_sdp ) ) )
 678     {
 679         msg_Err( p_demux, "Could not create the RTSP Session: %s",
 680             p_sys->env->getResultMsg() );
 681         return VLC_EGENERIC;
 682     }
 683
 684     /* Initialise each media subsession */
 685     iter = new MediaSubsessionIterator( *p_sys->ms );
 686     while( ( sub = iter->next() ) != NULL )
 687     {
 688         Boolean bInit;
 689         live_track_t *tk;
 690
 691         if( !vlc_object_alive (p_demux) || p_demux->b_error )
 692         {
 693             delete iter;
 694             return VLC_EGENERIC;
 695         }
 696
 697         /* Value taken from mplayer */
 698         if( !strcmp( sub->mediumName(), "audio" ) )
 699             i_buffer = 100000;
 700         else if( !strcmp( sub->mediumName(), "video" ) )
 701             i_buffer = 2000000;
 702         else continue;
 703
 704         if( i_client_port != -1 )
 705         {
 706             sub->setClientPortNum( i_client_port );
 707             i_client_port += 2;
 708         }
 709
 710         if( strcasestr( sub->codecName(), "REAL" ) )
 711         {
 712             msg_Info( p_demux, "real codec detected, using real-RTSP instead" );
 713             p_sys->b_real = true; /* This is a problem, we'll handle it later */
 714             continue;
 715         }
 716
 717         if( !strcmp( sub->codecName(), "X-ASF-PF" ) )
 718             bInit = sub->initiate( 4 ); /* Constant ? */
 719         else
 720             bInit = sub->initiate();
 721
 722         if( !bInit )
 723         {
 724             msg_Warn( p_demux, "RTP subsession '%s/%s' failed (%s)",
 725                       sub->mediumName(), sub->codecName(),
 726                       p_sys->env->getResultMsg() );
 727         }
 728         else
 729         {
 730             if( sub->rtpSource() != NULL )
 731             {
 732                 int fd = sub->rtpSource()->RTPgs()->socketNum();
 733
 734                 /* Increase the buffer size */
 735                 if( i_buffer > 0 )
 736                     increaseReceiveBufferTo( *p_sys->env, fd, i_buffer );
 737
 738                 /* Increase the RTP reorder timebuffer just a bit */
 739                 sub->rtpSource()->setPacketReorderingThresholdTime(thresh);
 740             }
 741             msg_Dbg( p_demux, "RTP subsession '%s/%s'", sub->mediumName(),
 742                      sub->codecName() );
 743
 744             /* Issue the SETUP */
 745             if( p_sys->rtsp )
 746             {
 747                 if( !p_sys->rtsp->setupMediaSubsession( *sub, False,
 748                                            b_rtsp_tcp ? True : False,
 749                                            ( p_sys->b_force_mcast && !b_rtsp_tcp ) ? True : False ) )
 750                 {
 751                     /* if we get an unsupported transport error, toggle TCP use and try again */
 752                     if( !strstr(p_sys->env->getResultMsg(), "461 Unsupported Transport")
 753                      || !p_sys->rtsp->setupMediaSubsession( *sub, False,
 754                                            b_rtsp_tcp ? False : True,
 755                                            False ) )
 756                     {
 757                         msg_Err( p_demux, "SETUP of'%s/%s' failed %s", sub->mediumName(),
 758                                  sub->codecName(), p_sys->env->getResultMsg() );
 759                         continue;
 760                     }
 761                 }
 762             }
 763
 764             /* Check if we will receive data from this subsession for this track */
 765             if( sub->readSource() == NULL ) continue;
 766             if( !p_sys->b_multicast )
 767             {
 768                 /* Check, because we need diff. rollover behaviour for multicast */
 769                 p_sys->b_multicast = IsMulticastAddress( sub->connectionEndpointAddress() );
 770             }
 771
 772             tk = (live_track_t*)malloc( sizeof( live_track_t ) );
 773             if( !tk )
 774             {
 775                 delete iter;
 776                 return VLC_ENOMEM;
 777             }
 778             tk->p_demux     = p_demux;
 779             tk->sub         = sub;
 780             tk->p_es        = NULL;
 781             tk->b_quicktime = false;
 782             tk->b_asf       = false;
 783             tk->b_muxed     = false;
 784             tk->p_out_muxed = NULL;
 785             tk->waiting     = 0;
 786             tk->b_rtcp_sync = false;
 787             tk->i_pts       = 0;
 788             tk->i_npt       = 0.;
 789             tk->i_buffer    = 65536;
 790             tk->p_buffer    = (uint8_t *)malloc( 65536 );
 791             if( !tk->p_buffer )
 792             {
 793                 free( tk );
 794                 delete iter;
 795                 return VLC_ENOMEM;
 796             }
 797
 798             /* Value taken from mplayer */
 799             if( !strcmp( sub->mediumName(), "audio" ) )
 800             {
 801                 es_format_Init( &tk->fmt, AUDIO_ES, VLC_FOURCC('u','n','d','f') );
 802                 tk->fmt.audio.i_channels = sub->numChannels();
 803                 tk->fmt.audio.i_rate = sub->rtpTimestampFrequency();
 804
 805                 if( !strcmp( sub->codecName(), "MPA" ) ||
 806                     !strcmp( sub->codecName(), "MPA-ROBUST" ) ||
 807                     !strcmp( sub->codecName(), "X-MP3-DRAFT-00" ) )
 808                 {
 809                     tk->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'a' );
 810                     tk->fmt.audio.i_rate = 0;
 811                 }
 812                 else if( !strcmp( sub->codecName(), "AC3" ) )
 813                 {
 814                     tk->fmt.i_codec = VLC_FOURCC( 'a', '5', '2', ' ' );
 815                     tk->fmt.audio.i_rate = 0;
 816                 }
 817                 else if( !strcmp( sub->codecName(), "L16" ) )
 818                 {
 819                     tk->fmt.i_codec = VLC_FOURCC( 't', 'w', 'o', 's' );
 820                     tk->fmt.audio.i_bitspersample = 16;
 821                 }
 822                 else if( !strcmp( sub->codecName(), "L8" ) )
 823                 {
 824                     tk->fmt.i_codec = VLC_FOURCC( 'a', 'r', 'a', 'w' );
 825                     tk->fmt.audio.i_bitspersample = 8;
 826                 }
 827                 else if( !strcmp( sub->codecName(), "PCMU" ) )
 828                 {
 829                     tk->fmt.i_codec = VLC_FOURCC( 'u', 'l', 'a', 'w' );
 830                 }
 831                 else if( !strcmp( sub->codecName(), "PCMA" ) )
 832                 {
 833                     tk->fmt.i_codec = VLC_FOURCC( 'a', 'l', 'a', 'w' );
 834                 }
 835                 else if( !strncmp( sub->codecName(), "G726", 4 ) )
 836                 {
 837                     tk->fmt.i_codec = VLC_FOURCC( 'g', '7', '2', '6' );
 838                     tk->fmt.audio.i_rate = 8000;
 839                     tk->fmt.audio.i_channels = 1;
 840                     if( !strcmp( sub->codecName()+5, "40" ) )
 841                         tk->fmt.i_bitrate = 40000;
 842                     else if( !strcmp( sub->codecName()+5, "32" ) )
 843                         tk->fmt.i_bitrate = 32000;
 844                     else if( !strcmp( sub->codecName()+5, "24" ) )
 845                         tk->fmt.i_bitrate = 24000;
 846                     else if( !strcmp( sub->codecName()+5, "16" ) )
 847                         tk->fmt.i_bitrate = 16000;
 848                 }
 849                 else if( !strcmp( sub->codecName(), "AMR" ) )
 850                 {
 851                     tk->fmt.i_codec = VLC_FOURCC( 's', 'a', 'm', 'r' );
 852                 }
 853                 else if( !strcmp( sub->codecName(), "AMR-WB" ) )
 854                 {
 855                     tk->fmt.i_codec = VLC_FOURCC( 's', 'a', 'w', 'b' );
 856                 }
 857                 else if( !strcmp( sub->codecName(), "MP4A-LATM" ) )
 858                 {
 859                     unsigned int i_extra;
 860                     uint8_t      *p_extra;
 861
 862                     tk->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'a' );
 863
 864                     if( ( p_extra = parseStreamMuxConfigStr( sub->fmtp_config(),
 865                                                              i_extra ) ) )
 866                     {
 867                         tk->fmt.i_extra = i_extra;
 868                         tk->fmt.p_extra = malloc( i_extra );
 869                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
 870                         delete[] p_extra;
 871                     }
 872                     /* Because the "faad" decoder does not handle the LATM data length field
 873                        at the start of each returned LATM frame, tell the RTP source to omit it. */
 874                     ((MPEG4LATMAudioRTPSource*)sub->rtpSource())->omitLATMDataLengthField();
 875                 }
 876                 else if( !strcmp( sub->codecName(), "MPEG4-GENERIC" ) )
 877                 {
 878                     unsigned int i_extra;
 879                     uint8_t      *p_extra;
 880
 881                     tk->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'a' );
 882
 883                     if( ( p_extra = parseGeneralConfigStr( sub->fmtp_config(),
 884                                                            i_extra ) ) )
 885                     {
 886                         tk->fmt.i_extra = i_extra;
 887                         tk->fmt.p_extra = malloc( i_extra );
 888                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
 889                         delete[] p_extra;
 890                     }
 891                 }
 892                 else if( !strcmp( sub->codecName(), "X-ASF-PF" ) )
 893                 {
 894                     tk->b_asf = true;
 895                     if( p_sys->p_out_asf == NULL )
 896                         p_sys->p_out_asf = stream_DemuxNew( p_demux, "asf",
 897                                                             p_demux->out );
 898                 }
 899                 else if( !strcmp( sub->codecName(), "X-QT" ) ||
 900                          !strcmp( sub->codecName(), "X-QUICKTIME" ) )
 901                 {
 902                     tk->b_quicktime = true;
 903                 }
 904                 else if( !strcmp( sub->codecName(), "SPEEX" ) )
 905                 {
 906                     tk->fmt.i_codec = VLC_FOURCC( 's', 'p', 'x', 'r' );
 907                     if ( sub->rtpTimestampFrequency() )
 908                         tk->fmt.audio.i_rate = sub->rtpTimestampFrequency();
 909                     else
 910                     {
 911                         msg_Warn( p_demux,"Using 8kHz as default sample rate." );
 912                         tk->fmt.audio.i_rate = 8000;
 913                     }
 914                 }
 915             }
 916             else if( !strcmp( sub->mediumName(), "video" ) )
 917             {
 918                 es_format_Init( &tk->fmt, VIDEO_ES, VLC_FOURCC('u','n','d','f') );
 919                 if( !strcmp( sub->codecName(), "MPV" ) )
 920                 {
 921                     tk->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'v' );
 922                 }
 923                 else if( !strcmp( sub->codecName(), "H263" ) ||
 924                          !strcmp( sub->codecName(), "H263-1998" ) ||
 925                          !strcmp( sub->codecName(), "H263-2000" ) )
 926                 {
 927                     tk->fmt.i_codec = VLC_FOURCC( 'H', '2', '6', '3' );
 928                 }
 929                 else if( !strcmp( sub->codecName(), "H261" ) )
 930                 {
 931                     tk->fmt.i_codec = VLC_FOURCC( 'H', '2', '6', '1' );
 932                 }
 933                 else if( !strcmp( sub->codecName(), "H264" ) )
 934                 {
 935                     unsigned int i_extra = 0;
 936                     uint8_t      *p_extra = NULL;
 937
 938                     tk->fmt.i_codec = VLC_FOURCC( 'h', '2', '6', '4' );
 939                     tk->fmt.b_packetized = false;
 940
 941                     if((p_extra=parseH264ConfigStr( sub->fmtp_spropparametersets(),
 942                                                     i_extra ) ) )
 943                     {
 944                         tk->fmt.i_extra = i_extra;
 945                         tk->fmt.p_extra = malloc( i_extra );
 946                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
 947
 948                         delete[] p_extra;
 949                     }
 950                 }
 951                 else if( !strcmp( sub->codecName(), "JPEG" ) )
 952                 {
 953                     tk->fmt.i_codec = VLC_FOURCC( 'M', 'J', 'P', 'G' );
 954                 }
 955                 else if( !strcmp( sub->codecName(), "MP4V-ES" ) )
 956                 {
 957                     unsigned int i_extra;
 958                     uint8_t      *p_extra;
 959
 960                     tk->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'v' );
 961
 962                     if( ( p_extra = parseGeneralConfigStr( sub->fmtp_config(),
 963                                                            i_extra ) ) )
 964                     {
 965                         tk->fmt.i_extra = i_extra;
 966                         tk->fmt.p_extra = malloc( i_extra );
 967                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
 968                         delete[] p_extra;
 969                     }
 970                 }
 971                 else if( !strcmp( sub->codecName(), "X-QT" ) ||
 972                          !strcmp( sub->codecName(), "X-QUICKTIME" ) ||
 973                          !strcmp( sub->codecName(), "X-QDM" ) ||
 974                          !strcmp( sub->codecName(), "X-SV3V-ES" )  ||
 975                          !strcmp( sub->codecName(), "X-SORENSONVIDEO" ) )
 976                 {
 977                     tk->b_quicktime = true;
 978                 }
 979                 else if( !strcmp( sub->codecName(), "MP2T" ) )
 980                 {
 981                     tk->b_muxed = true;
 982                     tk->p_out_muxed = stream_DemuxNew( p_demux, "ts", p_demux->out );
 983                 }
 984                 else if( !strcmp( sub->codecName(), "MP2P" ) ||
 985                          !strcmp( sub->codecName(), "MP1S" ) )
 986                 {
 987                     tk->b_muxed = true;
 988                     tk->p_out_muxed = stream_DemuxNew( p_demux, "ps",
 989                                                        p_demux->out );
 990                 }
 991                 else if( !strcmp( sub->codecName(), "X-ASF-PF" ) )
 992                 {
 993                     tk->b_asf = true;
 994                     if( p_sys->p_out_asf == NULL )
 995                         p_sys->p_out_asf = stream_DemuxNew( p_demux, "asf",
 996                                                             p_demux->out );;
 997                 }
 998             }
 999
1000             if( !tk->b_quicktime && !tk->b_muxed && !tk->b_asf )
1001             {
1002                 tk->p_es = es_out_Add( p_demux->out, &tk->fmt );
1003             }
1004
1005             if( sub->rtcpInstance() != NULL )
1006             {
1007                 sub->rtcpInstance()->setByeHandler( StreamClose, tk );
1008             }
1009
1010             if( tk->p_es || tk->b_quicktime || tk->b_muxed || tk->b_asf )
1011             {
1012                 /* Append */
1013                 p_sys->track = (live_track_t**)realloc( p_sys->track, sizeof( live_track_t ) * ( p_sys->i_track + 1 ) );
1014                 p_sys->track[p_sys->i_track++] = tk;
1015             }
1016             else
1017             {
1018                 /* BUG ??? */
1019                 msg_Err( p_demux, "unusable RTSP track. this should not happen" );
1020                 es_format_Clean( &tk->fmt );
1021                 free( tk );
1022             }
1023         }
1024     }
1025     delete iter;
1026     if( p_sys->i_track <= 0 ) i_return = VLC_EGENERIC;
1027
1028     /* Retrieve the starttime if possible */
1029     p_sys->i_npt_start = p_sys->ms->playStartTime();
1030
1031     /* Retrieve the duration if possible */
1032     p_sys->i_npt_length = p_sys->ms->playEndTime();
1033
1034     /* */
1035     msg_Dbg( p_demux, "setup start: %f stop:%f", p_sys->i_npt_start, p_sys->i_npt_length );
1036
1037     /* */
1038     p_sys->b_no_data = true;
1039     p_sys->i_no_data_ti = 0;
1040
1041     return i_return;
1042 }
1043
1044 /*****************************************************************************
1045  * Play: starts the actual playback of the stream
1046  *****************************************************************************/
1047 static int Play( demux_t *p_demux )
1048 {
1049     demux_sys_t *p_sys = p_demux->p_sys;
1050
1051     if( p_sys->rtsp )
1052     {
1053         /* The PLAY */
1054         if( !p_sys->rtsp->playMediaSession( *p_sys->ms, p_sys->i_npt_start, -1, 1 ) )
1055         {
1056             msg_Err( p_demux, "RTSP PLAY failed %s", p_sys->env->getResultMsg() );
1057             return VLC_EGENERIC;
1058         }
1059
1060         /* Retrieve the timeout value and set up a timeout prevention thread */
1061         p_sys->i_timeout = p_sys->rtsp->sessionTimeoutParameter();
1062         if( p_sys->i_timeout <= 0 )
1063             p_sys->i_timeout = 60; /* default value from RFC2326 */
1064
1065         /* start timeout-thread only if GET_PARAMETER is supported by the server */
1066         if( !p_sys->p_timeout && p_sys->b_get_param )
1067         {
1068             msg_Dbg( p_demux, "We have a timeout of %d seconds",  p_sys->i_timeout );
1069             p_sys->p_timeout = (timeout_thread_t *)malloc( sizeof(timeout_thread_t) );
1070             if( p_sys->p_timeout )
1071             {
1072                 memset( p_sys->p_timeout, 0, sizeof(timeout_thread_t) );
1073                 p_sys->p_timeout->p_sys = p_demux->p_sys; /* lol, object recursion :D */
1074                 if( vlc_clone( &p_sys->p_timeout->handle,  TimeoutPrevention,
1075                                p_sys->p_timeout, VLC_THREAD_PRIORITY_LOW ) )
1076                 {
1077                     msg_Err( p_demux, "cannot spawn liveMedia timeout thread" );
1078                     free( p_sys->p_timeout );
1079                     p_sys->p_timeout = NULL;
1080                 }
1081                 else
1082                     msg_Dbg( p_demux, "spawned timeout thread" );
1083             }
1084             else
1085                 msg_Err( p_demux, "cannot spawn liveMedia timeout thread" );
1086         }
1087     }
1088     p_sys->i_pcr = 0;
1089
1090     /* Retrieve the starttime if possible */
1091     p_sys->i_npt_start = p_sys->ms->playStartTime();
1092     p_sys->i_npt_length = p_sys->ms->playEndTime();
1093
1094     msg_Dbg( p_demux, "play start: %f stop:%f", p_sys->i_npt_start, p_sys->i_npt_length );
1095     return VLC_SUCCESS;
1096 }
1097
1098
1099 /*****************************************************************************
1100  * Demux:
1101  *****************************************************************************/
1102 static int Demux( demux_t *p_demux )
1103 {
1104     demux_sys_t    *p_sys = p_demux->p_sys;
1105     TaskToken      task;
1106
1107     bool            b_send_pcr = true;
1108     int64_t         i_pcr = 0;
1109     int             i;
1110
1111     /* Check if we need to send the server a Keep-A-Live signal */
1112     if( p_sys->b_timeout_call && p_sys->rtsp && p_sys->ms )
1113     {
1114         char *psz_bye = NULL;
1115         p_sys->rtsp->getMediaSessionParameter( *p_sys->ms, NULL, psz_bye );
1116         p_sys->b_timeout_call = false;
1117     }
1118
1119     for( i = 0; i < p_sys->i_track; i++ )
1120     {
1121         live_track_t *tk = p_sys->track[i];
1122
1123         if( tk->b_asf || tk->b_muxed )
1124             b_send_pcr = false;
1125 #if 0
1126         if( i_pcr == 0 )
1127         {
1128             i_pcr = tk->i_pts;
1129         }
1130         else if( tk->i_pts != 0 && i_pcr > tk->i_pts )
1131         {
1132             i_pcr = tk->i_pts ;
1133         }
1134 #endif
1135     }
1136     if( p_sys->i_pcr > 0 )
1137     {
1138         if( b_send_pcr )
1139             es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_sys->i_pcr );
1140     }
1141
1142     /* First warn we want to read data */
1143     p_sys->event = 0;
1144     for( i = 0; i < p_sys->i_track; i++ )
1145     {
1146         live_track_t *tk = p_sys->track[i];
1147
1148         if( tk->waiting == 0 )
1149         {
1150             tk->waiting = 1;
1151             tk->sub->readSource()->getNextFrame( tk->p_buffer, tk->i_buffer,
1152                                           StreamRead, tk, StreamClose, tk );
1153         }
1154     }
1155     /* Create a task that will be called if we wait more than 300ms */
1156     task = p_sys->scheduler->scheduleDelayedTask( 300000, TaskInterrupt, p_demux );
1157
1158     /* Do the read */
1159     p_sys->scheduler->doEventLoop( &p_sys->event );
1160
1161     /* remove the task */
1162     p_sys->scheduler->unscheduleDelayedTask( task );
1163
1164     /* Check for gap in pts value */
1165     for( i = 0; i < p_sys->i_track; i++ )
1166     {
1167         live_track_t *tk = p_sys->track[i];
1168
1169         if( !tk->b_muxed && !tk->b_rtcp_sync &&
1170             tk->sub->rtpSource() && tk->sub->rtpSource()->hasBeenSynchronizedUsingRTCP() )
1171         {
1172             msg_Dbg( p_demux, "tk->rtpSource->hasBeenSynchronizedUsingRTCP()" );
1173
1174             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
1175             tk->b_rtcp_sync = true;
1176             /* reset PCR */
1177             tk->i_pts = 0;
1178             tk->i_npt = 0.;
1179             p_sys->i_pcr = 0;
1180             p_sys->i_npt = 0.;
1181             i_pcr = 0;
1182         }
1183     }
1184
1185     if( p_sys->b_multicast && p_sys->b_no_data &&
1186         ( p_sys->i_no_data_ti > 120 ) )
1187     {
1188         /* FIXME Make this configurable
1189         msg_Err( p_demux, "no multicast data received in 36s, aborting" );
1190         return 0;
1191         */
1192     }
1193     else if( !p_sys->b_multicast && p_sys->b_no_data &&
1194              ( p_sys->i_no_data_ti > 34 ) )
1195     {
1196         bool b_rtsp_tcp = var_GetBool( p_demux, "rtsp-tcp" ) ||
1197                                 var_GetBool( p_demux, "rtsp-http" );
1198
1199         if( !b_rtsp_tcp && p_sys->rtsp && p_sys->ms )
1200         {
1201             msg_Warn( p_demux, "no data received in 10s. Switching to TCP" );
1202             if( RollOverTcp( p_demux ) )
1203             {
1204                 msg_Err( p_demux, "TCP rollover failed, aborting" );
1205                 return 0;
1206             }
1207             return 1;
1208         }
1209         msg_Err( p_demux, "no data received in 10s, aborting" );
1210         return 0;
1211     }
1212     else if( !p_sys->b_multicast && p_sys->i_no_data_ti > 34 )
1213     {
1214         /* EOF ? */
1215         msg_Warn( p_demux, "no data received in 10s, eof ?" );
1216         return 0;
1217     }
1218     return p_demux->b_error ? 0 : 1;
1219 }
1220
1221 /*****************************************************************************
1222  * Control:
1223  *****************************************************************************/
1224 static int Control( demux_t *p_demux, int i_query, va_list args )
1225 {
1226     demux_sys_t *p_sys = p_demux->p_sys;
1227     int64_t *pi64, i64;
1228     double  *pf, f;
1229     bool *pb, *pb2, b_bool;
1230     int *pi_int;
1231
1232     switch( i_query )
1233     {
1234         case DEMUX_GET_TIME:
1235             pi64 = (int64_t*)va_arg( args, int64_t * );
1236             if( p_sys->i_npt > 0 )
1237             {
1238                 *pi64 = (int64_t)(p_sys->i_npt * 1000000.);
1239                 return VLC_SUCCESS;
1240             }
1241             return VLC_EGENERIC;
1242
1243         case DEMUX_GET_LENGTH:
1244             pi64 = (int64_t*)va_arg( args, int64_t * );
1245             if( p_sys->i_npt_length > 0 )
1246             {
1247                 *pi64 = (int64_t)((double)p_sys->i_npt_length * 1000000.0);
1248                 return VLC_SUCCESS;
1249             }
1250             return VLC_EGENERIC;
1251
1252         case DEMUX_GET_POSITION:
1253             pf = (double*)va_arg( args, double* );
1254             if( (p_sys->i_npt_length > 0) && (p_sys->i_npt > 0) )
1255             {
1256                 *pf = ( (double)p_sys->i_npt / (double)p_sys->i_npt_length );
1257                 return VLC_SUCCESS;
1258             }
1259             return VLC_EGENERIC;
1260
1261         case DEMUX_SET_POSITION:
1262         case DEMUX_SET_TIME:
1263             if( p_sys->rtsp && (p_sys->i_npt_length > 0) )
1264             {
1265                 int i;
1266                 float time;
1267
1268                 if( (i_query == DEMUX_SET_TIME) && (p_sys->i_npt > 0) )
1269                 {
1270                     i64 = (int64_t)va_arg( args, int64_t );
1271                     time = (float)((double)i64 / (double)1000000.0); /* in second */
1272                 }
1273                 else if( i_query == DEMUX_SET_TIME )
1274                     return VLC_EGENERIC;
1275                 else
1276                 {
1277                     f = (double)va_arg( args, double );
1278                     time = f * (double)p_sys->i_npt_length;   /* in second */
1279                 }
1280
1281                 if( !p_sys->rtsp->playMediaSession( *p_sys->ms, time, -1, 1 ) )
1282                 {
1283                     msg_Err( p_demux, "PLAY failed %s",
1284                         p_sys->env->getResultMsg() );
1285                     return VLC_EGENERIC;
1286                 }
1287                 p_sys->i_pcr = 0;
1288
1289                 /* Retrieve RTP-Info values */
1290                 for( i = 0; i < p_sys->i_track; i++ )
1291                 {
1292                     p_sys->track[i]->b_rtcp_sync = false;
1293                     p_sys->track[i]->i_pts = 0;
1294                 }
1295
1296                 /* Retrieve the starttime if possible */
1297                 p_sys->i_npt = p_sys->i_npt_start = p_sys->ms->playStartTime();
1298
1299                 /* Retrieve the duration if possible */
1300                 p_sys->i_npt_length = p_sys->ms->playEndTime();
1301
1302                 msg_Dbg( p_demux, "seek start: %f stop:%f", p_sys->i_npt_start, p_sys->i_npt_length );
1303                 return VLC_SUCCESS;
1304             }
1305             return VLC_EGENERIC;
1306
1307         /* Special for access_demux */
1308         case DEMUX_CAN_PAUSE:
1309         case DEMUX_CAN_SEEK:
1310             pb = (bool*)va_arg( args, bool * );
1311             if( p_sys->rtsp && p_sys->i_npt_length > 0 )
1312                 /* Not always true, but will be handled in SET_PAUSE_STATE */
1313                 *pb = true;
1314             else
1315                 *pb = false;
1316             return VLC_SUCCESS;
1317
1318         case DEMUX_CAN_CONTROL_PACE:
1319             pb = (bool*)va_arg( args, bool * );
1320
1321 #if 1       /* Disable for now until we have a clock synchro algo
1322              * which works with something else than MPEG over UDP */
1323             *pb = false;
1324 #else
1325             *pb = true;
1326 #endif
1327             return VLC_SUCCESS;
1328
1329         case DEMUX_CAN_CONTROL_RATE:
1330             pb = (bool*)va_arg( args, bool * );
1331             pb2 = (bool*)va_arg( args, bool * );
1332
1333             *pb = (p_sys->rtsp != NULL) &&
1334                     (p_sys->i_npt_length > 0) &&
1335                     !var_GetBool( p_demux, "rtsp-kasenna" );
1336             *pb2 = false;
1337             return VLC_SUCCESS;
1338
1339         case DEMUX_SET_RATE:
1340         {
1341             double f_scale, f_old_scale;
1342
1343             if( !p_sys->rtsp || (p_sys->i_npt_length <= 0) ||
1344                 var_GetBool( p_demux, "rtsp-kasenna" ) )
1345                 return VLC_EGENERIC;
1346
1347             /* According to RFC 2326 p56 chapter 12.35 a RTSP server that
1348              * supports Scale should:
1349              *
1350              * "The server should try to approximate the viewing rate, but may
1351              *  restrict the range of scale values that it supports. The response
1352              *  MUST contain the actual scale value chosen by the server."
1353              *
1354              * Scale = 1 indicates normal play
1355              * Scale > 1 indicates fast forward
1356              * Scale < 1 && Scale > 0 indicates slow motion
1357              * Scale < 0 value indicates rewind
1358              */
1359
1360             pi_int = (int*)va_arg( args, int * );
1361             f_scale = (double)INPUT_RATE_DEFAULT / (*pi_int);
1362             f_old_scale = p_sys->ms->scale();
1363
1364             /* Passing -1 for the start and end time will mean liveMedia won't
1365              * create a Range: section for the RTSP message. The server should
1366              * pick up from the current position */
1367             if( !p_sys->rtsp->playMediaSession( *p_sys->ms, -1, -1, f_scale ) )
1368             {
1369                 msg_Err( p_demux, "PLAY with Scale %0.2f failed %s", f_scale,
1370                         p_sys->env->getResultMsg() );
1371                 return VLC_EGENERIC;
1372             }
1373
1374             if( p_sys->ms->scale() == f_old_scale )
1375             {
1376                 msg_Err( p_demux, "no scale change using old Scale %0.2f",
1377                           p_sys->ms->scale() );
1378                 return VLC_EGENERIC;
1379             }
1380
1381             /* ReSync the stream */
1382             p_sys->i_npt_start = 0;
1383             p_sys->i_pcr = 0;
1384             p_sys->i_npt = 0.0;
1385
1386             *pi_int = (int)( INPUT_RATE_DEFAULT / p_sys->ms->scale() );
1387             msg_Dbg( p_demux, "PLAY with new Scale %0.2f (%d)", p_sys->ms->scale(), (*pi_int) );
1388             return VLC_SUCCESS;
1389         }
1390
1391         case DEMUX_SET_PAUSE_STATE:
1392         {
1393             int i;
1394
1395             b_bool = (bool)va_arg( args, int );
1396             if( p_sys->rtsp == NULL )
1397                 return VLC_EGENERIC;
1398
1399             /* FIXME */
1400             if( ( b_bool && !p_sys->rtsp->pauseMediaSession( *p_sys->ms ) ) ||
1401                     ( !b_bool && !p_sys->rtsp->playMediaSession( *p_sys->ms,
1402                        -1 ) ) )
1403             {
1404                     msg_Err( p_demux, "PLAY or PAUSE failed %s", p_sys->env->getResultMsg() );
1405                     return VLC_EGENERIC;
1406             }
1407
1408             /* When we Pause, we'll need the TimeoutPrevention thread to
1409              * handle sending the "Keep Alive" message to the server.
1410              * Unfortunately Live555 isn't thread safe and so can't
1411              * do this normally while the main Demux thread is handling
1412              * a live stream. We end up with the Timeout thread blocking
1413              * waiting for a response from the server. So when we PAUSE
1414              * we set a flag that the TimeoutPrevention function will check
1415              * and if it's set, it will trigger the GET_PARAMETER message */
1416             if( b_bool && p_sys->p_timeout != NULL )
1417                 p_sys->p_timeout->b_handle_keep_alive = true;
1418             else if( !b_bool && p_sys->p_timeout != NULL )
1419                 p_sys->p_timeout->b_handle_keep_alive = false;
1420
1421             for( i = 0; !b_bool && i < p_sys->i_track; i++ )
1422             {
1423                 live_track_t *tk = p_sys->track[i];
1424                 tk->b_rtcp_sync = false;
1425                 tk->i_pts = 0;
1426                 p_sys->i_pcr = 0;
1427                 es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
1428             }
1429
1430             /* Retrieve the starttime if possible */
1431             p_sys->i_npt_start = p_sys->ms->playStartTime();
1432
1433             /* Retrieve the duration if possible */
1434             p_sys->i_npt_length = p_sys->ms->playEndTime();
1435
1436             msg_Dbg( p_demux, "pause start: %f stop:%f", p_sys->i_npt_start, p_sys->i_npt_length );
1437             return VLC_SUCCESS;
1438         }
1439         case DEMUX_GET_TITLE_INFO:
1440         case DEMUX_SET_TITLE:
1441         case DEMUX_SET_SEEKPOINT:
1442             return VLC_EGENERIC;
1443
1444         case DEMUX_GET_PTS_DELAY:
1445             pi64 = (int64_t*)va_arg( args, int64_t * );
1446             *pi64 = (int64_t)var_GetInteger( p_demux, "rtsp-caching" ) * 1000;
1447             return VLC_SUCCESS;
1448
1449         default:
1450             return VLC_EGENERIC;
1451     }
1452 }
1453
1454 /*****************************************************************************
1455  * RollOverTcp: reopen the rtsp into TCP mode
1456  * XXX: ugly, a lot of code are duplicated from Open()
1457  * This should REALLY be fixed
1458  *****************************************************************************/
1459 static int RollOverTcp( demux_t *p_demux )
1460 {
1461     demux_sys_t *p_sys = p_demux->p_sys;
1462     int i, i_return;
1463
1464     var_SetBool( p_demux, "rtsp-tcp", true );
1465
1466     /* We close the old RTSP session */
1467     for( i = 0; i < p_sys->i_track; i++ )
1468     {
1469         live_track_t *tk = p_sys->track[i];
1470
1471         if( tk->b_muxed ) stream_Delete( tk->p_out_muxed );
1472         if( tk->p_es ) es_out_Del( p_demux->out, tk->p_es );
1473         es_format_Clean( &tk->fmt );
1474         free( tk->p_buffer );
1475         free( tk );
1476     }
1477     if( p_sys->i_track ) free( p_sys->track );
1478     if( p_sys->p_out_asf ) stream_Delete( p_sys->p_out_asf );
1479
1480     p_sys->rtsp->teardownMediaSession( *p_sys->ms );
1481     Medium::close( p_sys->ms );
1482     RTSPClient::close( p_sys->rtsp );
1483
1484     p_sys->ms = NULL;
1485     p_sys->rtsp = NULL;
1486     p_sys->track = NULL;
1487     p_sys->i_track = 0;
1488     p_sys->b_no_data = true;
1489     p_sys->i_no_data_ti = 0;
1490
1491     /* Reopen rtsp client */
1492     if( ( i_return = Connect( p_demux ) ) != VLC_SUCCESS )
1493     {
1494         msg_Err( p_demux, "Failed to connect with rtsp://%s",
1495                  p_sys->psz_path );
1496         goto error;
1497     }
1498
1499     if( p_sys->p_sdp == NULL )
1500     {
1501         msg_Err( p_demux, "Failed to retrieve the RTSP Session Description" );
1502         goto error;
1503     }
1504
1505     if( ( i_return = SessionsSetup( p_demux ) ) != VLC_SUCCESS )
1506     {
1507         msg_Err( p_demux, "Nothing to play for rtsp://%s", p_sys->psz_path );
1508         goto error;
1509     }
1510
1511     if( ( i_return = Play( p_demux ) ) != VLC_SUCCESS )
1512         goto error;
1513
1514     return VLC_SUCCESS;
1515
1516 error:
1517     return VLC_EGENERIC;
1518 }
1519
1520
1521 /*****************************************************************************
1522  *
1523  *****************************************************************************/
1524 static void StreamRead( void *p_private, unsigned int i_size,
1525                         unsigned int i_truncated_bytes, struct timeval pts,
1526                         unsigned int duration )
1527 {
1528     live_track_t   *tk = (live_track_t*)p_private;
1529     demux_t        *p_demux = tk->p_demux;
1530     demux_sys_t    *p_sys = p_demux->p_sys;
1531     block_t        *p_block;
1532
1533     //msg_Dbg( p_demux, "pts: %d", pts.tv_sec );
1534
1535     int64_t i_pts = (int64_t)pts.tv_sec * INT64_C(1000000) +
1536         (int64_t)pts.tv_usec;
1537
1538     /* XXX Beurk beurk beurk Avoid having negative value XXX */
1539     i_pts &= INT64_C(0x00ffffffffffffff);
1540
1541     /* Retrieve NPT for this pts */
1542     tk->i_npt = tk->sub->getNormalPlayTime(pts);
1543
1544     if( tk->b_quicktime && tk->p_es == NULL )
1545     {
1546         QuickTimeGenericRTPSource *qtRTPSource =
1547             (QuickTimeGenericRTPSource*)tk->sub->rtpSource();
1548         QuickTimeGenericRTPSource::QTState &qtState = qtRTPSource->qtState;
1549         uint8_t *sdAtom = (uint8_t*)&qtState.sdAtom[4];
1550
1551         if( tk->fmt.i_cat == VIDEO_ES ) {
1552             if( qtState.sdAtomSize < 16 + 32 )
1553             {
1554                 /* invalid */
1555                 p_sys->event = 0xff;
1556                 tk->waiting = 0;
1557                 return;
1558             }
1559             tk->fmt.i_codec = VLC_FOURCC(sdAtom[0],sdAtom[1],sdAtom[2],sdAtom[3]);
1560             tk->fmt.video.i_width  = (sdAtom[28] << 8) | sdAtom[29];
1561             tk->fmt.video.i_height = (sdAtom[30] << 8) | sdAtom[31];
1562
1563             if( tk->fmt.i_codec == VLC_FOURCC('a', 'v', 'c', '1') )
1564             {
1565                 uint8_t *pos = (uint8_t*)qtRTPSource->qtState.sdAtom + 86;
1566                 uint8_t *endpos = (uint8_t*)qtRTPSource->qtState.sdAtom
1567                                   + qtRTPSource->qtState.sdAtomSize;
1568                 while (pos+8 < endpos) {
1569                     unsigned int atomLength = pos[0]<<24 | pos[1]<<16 | pos[2]<<8 | pos[3];
1570                     if( atomLength == 0 || atomLength > (unsigned int)(endpos-pos)) break;
1571                     if( memcmp(pos+4, "avcC", 4) == 0 &&
1572                         atomLength > 8 &&
1573                         atomLength <= INT_MAX )
1574                     {
1575                         tk->fmt.i_extra = atomLength-8;
1576                         tk->fmt.p_extra = malloc( tk->fmt.i_extra );
1577                         memcpy(tk->fmt.p_extra, pos+8, atomLength-8);
1578                         break;
1579                     }
1580                     pos += atomLength;
1581                 }
1582             }
1583             else
1584             {
1585                 tk->fmt.i_extra        = qtState.sdAtomSize - 16;
1586                 tk->fmt.p_extra        = malloc( tk->fmt.i_extra );
1587                 memcpy( tk->fmt.p_extra, &sdAtom[12], tk->fmt.i_extra );
1588             }
1589         }
1590         else {
1591             if( qtState.sdAtomSize < 4 )
1592             {
1593                 /* invalid */
1594                 p_sys->event = 0xff;
1595                 tk->waiting = 0;
1596                 return;
1597             }
1598             tk->fmt.i_codec = VLC_FOURCC(sdAtom[0],sdAtom[1],sdAtom[2],sdAtom[3]);
1599         }
1600         tk->p_es = es_out_Add( p_demux->out, &tk->fmt );
1601     }
1602
1603 #if 0
1604     fprintf( stderr, "StreamRead size=%d pts=%lld\n",
1605              i_size,
1606              pts.tv_sec * 1000000LL + pts.tv_usec );
1607 #endif
1608
1609     /* grow buffer if it looks like buffer is too small, but don't eat
1610      * up all the memory on strange streams */
1611     if( i_truncated_bytes > 0 && tk->i_buffer < 2000000 )
1612     {
1613         void *p_tmp;
1614         msg_Dbg( p_demux, "lost %d bytes", i_truncated_bytes );
1615         msg_Dbg( p_demux, "increasing buffer size to %d", tk->i_buffer * 2 );
1616         tk->i_buffer *= 2;
1617         p_tmp = realloc( tk->p_buffer, tk->i_buffer );
1618         if( p_tmp == NULL )
1619         {
1620             msg_Warn( p_demux, "realloc failed" );
1621         }
1622         else
1623         {
1624             tk->p_buffer = (uint8_t*)p_tmp;
1625         }
1626     }
1627     if( i_size > tk->i_buffer )
1628     {
1629         msg_Warn( p_demux, "buffer overflow" );
1630     }
1631     /* FIXME could i_size be > buffer size ? */
1632     if( tk->fmt.i_codec == VLC_FOURCC('s','a','m','r') ||
1633         tk->fmt.i_codec == VLC_FOURCC('s','a','w','b') )
1634     {
1635         AMRAudioSource *amrSource = (AMRAudioSource*)tk->sub->readSource();
1636
1637         p_block = block_New( p_demux, i_size + 1 );
1638         p_block->p_buffer[0] = amrSource->lastFrameHeader();
1639         memcpy( p_block->p_buffer + 1, tk->p_buffer, i_size );
1640     }
1641     else if( tk->fmt.i_codec == VLC_FOURCC('H','2','6','1') )
1642     {
1643         H261VideoRTPSource *h261Source = (H261VideoRTPSource*)tk->sub->rtpSource();
1644         uint32_t header = h261Source->lastSpecialHeader();
1645         p_block = block_New( p_demux, i_size + 4 );
1646         memcpy( p_block->p_buffer, &header, 4 );
1647         memcpy( p_block->p_buffer + 4, tk->p_buffer, i_size );
1648
1649         if( tk->sub->rtpSource()->curPacketMarkerBit() )
1650             p_block->i_flags |= BLOCK_FLAG_END_OF_FRAME;
1651     }
1652     else if( tk->fmt.i_codec == VLC_FOURCC('h','2','6','4') )
1653     {
1654         if( (tk->p_buffer[0] & 0x1f) >= 24 )
1655             msg_Warn( p_demux, "unsupported NAL type for H264" );
1656
1657         /* Normal NAL type */
1658         p_block = block_New( p_demux, i_size + 4 );
1659         p_block->p_buffer[0] = 0x00;
1660         p_block->p_buffer[1] = 0x00;
1661         p_block->p_buffer[2] = 0x00;
1662         p_block->p_buffer[3] = 0x01;
1663         memcpy( &p_block->p_buffer[4], tk->p_buffer, i_size );
1664     }
1665     else if( tk->b_asf )
1666     {
1667         int i_copy = __MIN( p_sys->asfh.i_min_data_packet_size, (int)i_size );
1668         p_block = block_New( p_demux, p_sys->asfh.i_min_data_packet_size );
1669
1670         memcpy( p_block->p_buffer, tk->p_buffer, i_copy );
1671     }
1672     else
1673     {
1674         p_block = block_New( p_demux, i_size );
1675         memcpy( p_block->p_buffer, tk->p_buffer, i_size );
1676     }
1677
1678     if( p_sys->i_pcr < i_pts )
1679     {
1680         p_sys->i_pcr = i_pts;
1681     }
1682
1683     if( (i_pts != tk->i_pts) && (!tk->b_muxed) )
1684     {
1685         p_block->i_pts = i_pts;
1686     }
1687
1688     /* Update our global npt value */
1689     if( tk->i_npt > 0 && tk->i_npt > p_sys->i_npt && tk->i_npt < p_sys->i_npt_length)
1690         p_sys->i_npt = tk->i_npt;
1691
1692     if( !tk->b_muxed )
1693     {
1694         /*FIXME: for h264 you should check that packetization-mode=1 in sdp-file */
1695         p_block->i_dts = ( tk->fmt.i_codec == VLC_FOURCC( 'm', 'p', 'g', 'v' ) ) ? 0 : i_pts;
1696     }
1697
1698     if( tk->b_muxed )
1699     {
1700         stream_DemuxSend( tk->p_out_muxed, p_block );
1701     }
1702     else if( tk->b_asf )
1703     {
1704         stream_DemuxSend( p_sys->p_out_asf, p_block );
1705     }
1706     else
1707     {
1708         es_out_Send( p_demux->out, tk->p_es, p_block );
1709     }
1710
1711     /* warn that's ok */
1712     p_sys->event = 0xff;
1713
1714     /* we have read data */
1715     tk->waiting = 0;
1716     p_demux->p_sys->b_no_data = false;
1717     p_demux->p_sys->i_no_data_ti = 0;
1718
1719     if( i_pts > 0 && !tk->b_muxed )
1720     {
1721         tk->i_pts = i_pts;
1722     }
1723 }
1724
1725 /*****************************************************************************
1726  *
1727  *****************************************************************************/
1728 static void StreamClose( void *p_private )
1729 {
1730     live_track_t   *tk = (live_track_t*)p_private;
1731     demux_t        *p_demux = tk->p_demux;
1732     demux_sys_t    *p_sys = p_demux->p_sys;
1733
1734     msg_Dbg( p_demux, "StreamClose" );
1735
1736     p_sys->event = 0xff;
1737     p_demux->b_error = true;
1738 }
1739
1740
1741 /*****************************************************************************
1742  *
1743  *****************************************************************************/
1744 static void TaskInterrupt( void *p_private )
1745 {
1746     demux_t *p_demux = (demux_t*)p_private;
1747
1748     p_demux->p_sys->i_no_data_ti++;
1749
1750     /* Avoid lock */
1751     p_demux->p_sys->event = 0xff;
1752 }
1753
1754 /*****************************************************************************
1755  *
1756  *****************************************************************************/
1757 static void* TimeoutPrevention( void *p_data )
1758 {
1759     timeout_thread_t *p_timeout = (timeout_thread_t *)p_data;
1760
1761     for( ;; )
1762     {
1763         /* Voodoo (= no) thread safety here! *Ahem* */
1764         if( p_timeout->b_handle_keep_alive )
1765         {
1766             char *psz_bye = NULL;
1767             int canc = vlc_savecancel ();
1768
1769             p_timeout->p_sys->rtsp->getMediaSessionParameter( *p_timeout->p_sys->ms, NULL, psz_bye );
1770             vlc_restorecancel (canc);
1771         }
1772         p_timeout->p_sys->b_timeout_call = !p_timeout->b_handle_keep_alive;
1773
1774         msleep (((int64_t)p_timeout->p_sys->i_timeout - 2) * CLOCK_FREQ);
1775     }
1776     assert(0); /* dead code */
1777 }
1778
1779 /*****************************************************************************
1780  *
1781  *****************************************************************************/
1782 static int b64_decode( char *dest, char *src );
1783
1784 static int ParseASF( demux_t *p_demux )
1785 {
1786     demux_sys_t    *p_sys = p_demux->p_sys;
1787
1788     const char *psz_marker = "a=pgmpu:data:application/vnd.ms.wms-hdr.asfv1;base64,";
1789     char *psz_asf = strcasestr( p_sys->p_sdp, psz_marker );
1790     char *psz_end;
1791     block_t *p_header;
1792
1793     /* Parse the asf header */
1794     if( psz_asf == NULL )
1795         return VLC_EGENERIC;
1796
1797     psz_asf += strlen( psz_marker );
1798     psz_asf = strdup( psz_asf );    /* Duplicate it */
1799     psz_end = strchr( psz_asf, '\n' );
1800
1801     while( psz_end > psz_asf && ( *psz_end == '\n' || *psz_end == '\r' ) )
1802         *psz_end-- = '\0';
1803
1804     if( psz_asf >= psz_end )
1805     {
1806         free( psz_asf );
1807         return VLC_EGENERIC;
1808     }
1809
1810     /* Always smaller */
1811     p_header = block_New( p_demux, psz_end - psz_asf );
1812     p_header->i_buffer = b64_decode( (char*)p_header->p_buffer, psz_asf );
1813     //msg_Dbg( p_demux, "Size=%d Hdrb64=%s", p_header->i_buffer, psz_asf );
1814     if( p_header->i_buffer <= 0 )
1815     {
1816         free( psz_asf );
1817         return VLC_EGENERIC;
1818     }
1819
1820     /* Parse it to get packet size */
1821     asf_HeaderParse( &p_sys->asfh, p_header->p_buffer, p_header->i_buffer );
1822
1823     /* Send it to demuxer */
1824     stream_DemuxSend( p_sys->p_out_asf, p_header );
1825
1826     free( psz_asf );
1827     return VLC_SUCCESS;
1828 }
1829
1830
1831 static unsigned char* parseH264ConfigStr( char const* configStr,
1832                                           unsigned int& configSize )
1833 {
1834     char *dup, *psz;
1835     int i, i_records = 1;
1836
1837     if( configSize )
1838     configSize = 0;
1839
1840     if( configStr == NULL || *configStr == '\0' )
1841         return NULL;
1842
1843     psz = dup = strdup( configStr );
1844
1845     /* Count the number of comma's */
1846     for( psz = dup; *psz != '\0'; ++psz )
1847     {
1848         if( *psz == ',')
1849         {
1850             ++i_records;
1851             *psz = '\0';
1852         }
1853     }
1854
1855     unsigned char *cfg = new unsigned char[5 * strlen(dup)];
1856     psz = dup;
1857     for( i = 0; i < i_records; i++ )
1858     {
1859         cfg[configSize++] = 0x00;
1860         cfg[configSize++] = 0x00;
1861         cfg[configSize++] = 0x00;
1862         cfg[configSize++] = 0x01;
1863
1864         configSize += b64_decode( (char*)&cfg[configSize], psz );
1865         psz += strlen(psz)+1;
1866     }
1867
1868     free( dup );
1869     return cfg;
1870 }
1871
1872 /*char b64[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";*/
1873 static int b64_decode( char *dest, char *src )
1874 {
1875     const char *dest_start = dest;
1876     int  i_level;
1877     int  last = 0;
1878     int  b64[256] = {
1879         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* 00-0F */
1880         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* 10-1F */
1881         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,62,-1,-1,-1,63,  /* 20-2F */
1882         52,53,54,55,56,57,58,59,60,61,-1,-1,-1,-1,-1,-1,  /* 30-3F */
1883         -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10,11,12,13,14,  /* 40-4F */
1884         15,16,17,18,19,20,21,22,23,24,25,-1,-1,-1,-1,-1,  /* 50-5F */
1885         -1,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,  /* 60-6F */
1886         41,42,43,44,45,46,47,48,49,50,51,-1,-1,-1,-1,-1,  /* 70-7F */
1887         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* 80-8F */
1888         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* 90-9F */
1889         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* A0-AF */
1890         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* B0-BF */
1891         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* C0-CF */
1892         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* D0-DF */
1893         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* E0-EF */
1894         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1   /* F0-FF */
1895         };
1896
1897     for( i_level = 0; *src != '\0'; src++ )
1898     {
1899         int  c;
1900
1901         c = b64[(unsigned int)*src];
1902         if( c == -1 )
1903         {
1904             continue;
1905         }
1906
1907         switch( i_level )
1908         {
1909             case 0:
1910                 i_level++;
1911                 break;
1912             case 1:
1913                 *dest++ = ( last << 2 ) | ( ( c >> 4)&0x03 );
1914                 i_level++;
1915                 break;
1916             case 2:
1917                 *dest++ = ( ( last << 4 )&0xf0 ) | ( ( c >> 2 )&0x0f );
1918                 i_level++;
1919                 break;
1920             case 3:
1921                 *dest++ = ( ( last &0x03 ) << 6 ) | c;
1922                 i_level = 0;
1923         }
1924         last = c;
1925     }
1926
1927     *dest = '\0';
1928
1929     return dest - dest_start;
1930 }