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