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_interface.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     int timeout;
 483
 484     if( p_sys->url.i_port == 0 ) p_sys->url.i_port = 554;
 485     if( p_sys->url.psz_username || p_sys->url.psz_password )
 486     {
 487         int err;
 488         err = asprintf( &psz_url, "rtsp://%s:%d%s", p_sys->url.psz_host,
 489                         p_sys->url.i_port, p_sys->url.psz_path );
 490         if( err == -1 ) return VLC_ENOMEM;
 491
 492         psz_user = strdup( p_sys->url.psz_username );
 493         psz_pwd  = strdup( p_sys->url.psz_password );
 494     }
 495     else
 496     {
 497         int err;
 498         err = asprintf( &psz_url, "rtsp://%s", p_sys->psz_path );
 499         if( err == -1 ) return VLC_ENOMEM;
 500
 501         psz_user = var_CreateGetString( p_demux, "rtsp-user" );
 502         psz_pwd  = var_CreateGetString( p_demux, "rtsp-pwd" );
 503     }
 504
 505 createnew:
 506     if( !vlc_object_alive (p_demux) || p_demux->b_error )
 507     {
 508         free( psz_user );
 509         free( psz_pwd );
 510         free( psz_url );
 511         return VLC_EGENERIC;
 512     }
 513
 514     if( var_CreateGetBool( p_demux, "rtsp-http" ) )
 515         i_http_port = var_CreateGetInteger( p_demux, "rtsp-http-port" );
 516
 517     if( ( p_sys->rtsp = RTSPClient::createNew( *p_sys->env,
 518           var_CreateGetInteger( p_demux, "verbose" ) > 1,
 519           "VLC media player", i_http_port ) ) == NULL )
 520     {
 521         msg_Err( p_demux, "RTSPClient::createNew failed (%s)",
 522                  p_sys->env->getResultMsg() );
 523         free( psz_user );
 524         free( psz_pwd );
 525         free( psz_url );
 526         return VLC_EGENERIC;
 527     }
 528
 529     /* Kasenna enables KeepAlive by analysing the User-Agent string.
 530      * Appending _KA to the string should be enough to enable this feature,
 531      * however, there is a bug where the _KA doesn't get parsed from the
 532      * default User-Agent as created by VLC/Live555 code. This is probably due
 533      * to spaces in the string or the string being too long. Here we override
 534      * the default string with a more compact version.
 535      */
 536     if( var_CreateGetBool( p_demux, "rtsp-kasenna" ))
 537     {
 538         p_sys->rtsp->setUserAgentString( "VLC_MEDIA_PLAYER_KA" );
 539     }
 540
 541 describe:
 542     authenticator.setUsernameAndPassword( (const char*)psz_user,
 543                                           (const char*)psz_pwd );
 544
 545     timeout = var_CreateGetInteger(p_demux, "ipv4-timeout");
 546     timeout /= 1000;
 547
 548 #if LIVEMEDIA_LIBRARY_VERSION_INT >= 1223337600
 549     psz_options = p_sys->rtsp->sendOptionsCmd( psz_url, psz_user, psz_pwd,
 550                                                &authenticator, timeout );
 551 #else
 552     psz_options = p_sys->rtsp->sendOptionsCmd( psz_url, psz_user, psz_pwd,
 553                                                &authenticator );
 554 #endif
 555     if( psz_options == NULL && authenticator.realm() != NULL )
 556     {
 557         // try again, with the realm set this time
 558 #if LIVEMEDIA_LIBRARY_VERSION_INT >= 1223337600
 559         psz_options = p_sys->rtsp->sendOptionsCmd( psz_url, psz_user, psz_pwd,
 560                                                &authenticator, timeout );
 561 #else
 562         psz_options = p_sys->rtsp->sendOptionsCmd( psz_url, psz_user, psz_pwd,
 563                                                &authenticator );
 564 #endif
 565     }
 566     if( psz_options )
 567         p_sys->b_get_param = strstr( psz_options, "GET_PARAMETER" ) ? true : false ;
 568     delete [] psz_options;
 569
 570 #if LIVEMEDIA_LIBRARY_VERSION_INT >= 1223337600
 571     p_sdp = p_sys->rtsp->describeWithPassword( psz_url, (const char*)psz_user, (const char*)psz_pwd,
 572                                           var_GetBool( p_demux, "rtsp-kasenna" ), timeout );
 573 #else
 574     p_sdp = p_sys->rtsp->describeWithPassword( psz_url, (const char*)psz_user, (const char*)psz_pwd,
 575                                           var_GetBool( p_demux, "rtsp-kasenna" ) );
 576 #endif
 577
 578     if( p_sdp == NULL )
 579     {
 580         /* failure occurred */
 581         int i_code = 0;
 582         const char *psz_error = p_sys->env->getResultMsg();
 583
 584         if( var_GetBool( p_demux, "rtsp-http" ) )
 585             sscanf( psz_error, "%*s %*s HTTP GET %*s HTTP/%*u.%*u %3u %*s",
 586                     &i_code );
 587         else
 588         {
 589             const char *psz_tmp = strstr( psz_error, "RTSP" );
 590             if( psz_tmp )
 591                 sscanf( psz_tmp, "RTSP/%*s%3u", &i_code );
 592             else
 593                 i_code = 0;
 594         }
 595         msg_Dbg( p_demux, "DESCRIBE failed with %d: %s", i_code, psz_error );
 596
 597         if( b_firstpass )
 598         {   /* describeURL always returns an "RTSP/1.0 401 Unauthorized" the
 599              * first time. This is a workaround to avoid asking for a
 600              * user/passwd the first time the code passess here. */
 601             i_code = 0;
 602             b_firstpass = false;
 603         }
 604
 605         if( i_code == 401 )
 606         {
 607             int i_result;
 608             msg_Dbg( p_demux, "authentication failed" );
 609
 610             free( psz_user );
 611             free( psz_pwd );
 612             psz_user = psz_pwd = NULL;
 613
 614             i_result = intf_UserLoginPassword( p_demux, _("RTSP authentication"),
 615                            _("Please enter a valid login name and a password."),
 616                                                    &psz_user, &psz_pwd );
 617             if( i_result == DIALOG_OK_YES )
 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     msg_Dbg( p_demux, "setup start: %f stop:%f", p_sys->i_npt_start, p_sys->i_npt_length );
1035     return i_return;
1036 }
1037
1038 /*****************************************************************************
1039  * Play: starts the actual playback of the stream
1040  *****************************************************************************/
1041 static int Play( demux_t *p_demux )
1042 {
1043     demux_sys_t *p_sys = p_demux->p_sys;
1044
1045     if( p_sys->rtsp )
1046     {
1047         /* The PLAY */
1048         if( !p_sys->rtsp->playMediaSession( *p_sys->ms, p_sys->i_npt_start, -1, 1 ) )
1049         {
1050             msg_Err( p_demux, "RTSP PLAY failed %s", p_sys->env->getResultMsg() );
1051             return VLC_EGENERIC;
1052         }
1053
1054         /* Retrieve the timeout value and set up a timeout prevention thread */
1055         p_sys->i_timeout = p_sys->rtsp->sessionTimeoutParameter();
1056         if( p_sys->i_timeout <= 0 )
1057             p_sys->i_timeout = 60; /* default value from RFC2326 */
1058
1059         /* start timeout-thread only if GET_PARAMETER is supported by the server */
1060         if( !p_sys->p_timeout && p_sys->b_get_param )
1061         {
1062             msg_Dbg( p_demux, "We have a timeout of %d seconds",  p_sys->i_timeout );
1063             p_sys->p_timeout = (timeout_thread_t *)malloc( sizeof(timeout_thread_t) );
1064             if( p_sys->p_timeout )
1065             {
1066                 memset( p_sys->p_timeout, 0, sizeof(timeout_thread_t) );
1067                 p_sys->p_timeout->p_sys = p_demux->p_sys; /* lol, object recursion :D */
1068                 if( vlc_clone( &p_sys->p_timeout->handle,  TimeoutPrevention,
1069                                p_sys->p_timeout, VLC_THREAD_PRIORITY_LOW ) )
1070                 {
1071                     msg_Err( p_demux, "cannot spawn liveMedia timeout thread" );
1072                     free( p_sys->p_timeout );
1073                     p_sys->p_timeout = NULL;
1074                 }
1075                 else
1076                     msg_Dbg( p_demux, "spawned timeout thread" );
1077             }
1078             else
1079                 msg_Err( p_demux, "cannot spawn liveMedia timeout thread" );
1080         }
1081     }
1082     p_sys->i_pcr = 0;
1083
1084     /* Retrieve the starttime if possible */
1085     p_sys->i_npt_start = p_sys->ms->playStartTime();
1086     p_sys->i_npt_length = p_sys->ms->playEndTime();
1087
1088     msg_Dbg( p_demux, "play start: %f stop:%f", p_sys->i_npt_start, p_sys->i_npt_length );
1089     return VLC_SUCCESS;
1090 }
1091
1092
1093 /*****************************************************************************
1094  * Demux:
1095  *****************************************************************************/
1096 static int Demux( demux_t *p_demux )
1097 {
1098     demux_sys_t    *p_sys = p_demux->p_sys;
1099     TaskToken      task;
1100
1101     bool            b_send_pcr = true;
1102     int64_t         i_pcr = 0;
1103     int             i;
1104
1105     /* Check if we need to send the server a Keep-A-Live signal */
1106     if( p_sys->b_timeout_call && p_sys->rtsp && p_sys->ms )
1107     {
1108         char *psz_bye = NULL;
1109         p_sys->rtsp->getMediaSessionParameter( *p_sys->ms, NULL, psz_bye );
1110         p_sys->b_timeout_call = false;
1111     }
1112
1113     for( i = 0; i < p_sys->i_track; i++ )
1114     {
1115         live_track_t *tk = p_sys->track[i];
1116
1117         if( tk->b_asf || tk->b_muxed )
1118             b_send_pcr = false;
1119 #if 0
1120         if( i_pcr == 0 )
1121         {
1122             i_pcr = tk->i_pts;
1123         }
1124         else if( tk->i_pts != 0 && i_pcr > tk->i_pts )
1125         {
1126             i_pcr = tk->i_pts ;
1127         }
1128 #endif
1129     }
1130     if( p_sys->i_pcr > 0 )
1131     {
1132         if( b_send_pcr )
1133             es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_sys->i_pcr );
1134     }
1135
1136     /* First warn we want to read data */
1137     p_sys->event = 0;
1138     for( i = 0; i < p_sys->i_track; i++ )
1139     {
1140         live_track_t *tk = p_sys->track[i];
1141
1142         if( tk->waiting == 0 )
1143         {
1144             tk->waiting = 1;
1145             tk->sub->readSource()->getNextFrame( tk->p_buffer, tk->i_buffer,
1146                                           StreamRead, tk, StreamClose, tk );
1147         }
1148     }
1149     /* Create a task that will be called if we wait more than 300ms */
1150     task = p_sys->scheduler->scheduleDelayedTask( 300000, TaskInterrupt, p_demux );
1151
1152     /* Do the read */
1153     p_sys->scheduler->doEventLoop( &p_sys->event );
1154
1155     /* remove the task */
1156     p_sys->scheduler->unscheduleDelayedTask( task );
1157
1158     /* Check for gap in pts value */
1159     for( i = 0; i < p_sys->i_track; i++ )
1160     {
1161         live_track_t *tk = p_sys->track[i];
1162
1163         if( !tk->b_muxed && !tk->b_rtcp_sync &&
1164             tk->sub->rtpSource() && tk->sub->rtpSource()->hasBeenSynchronizedUsingRTCP() )
1165         {
1166             msg_Dbg( p_demux, "tk->rtpSource->hasBeenSynchronizedUsingRTCP()" );
1167
1168             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
1169             tk->b_rtcp_sync = true;
1170             /* reset PCR */
1171             tk->i_pts = 0;
1172             tk->i_npt = 0.;
1173             p_sys->i_pcr = 0;
1174             p_sys->i_npt = 0.;
1175             i_pcr = 0;
1176         }
1177     }
1178
1179     if( p_sys->b_multicast && p_sys->b_no_data &&
1180         ( p_sys->i_no_data_ti > 120 ) )
1181     {
1182         /* FIXME Make this configurable
1183         msg_Err( p_demux, "no multicast data received in 36s, aborting" );
1184         return 0;
1185         */
1186     }
1187     else if( !p_sys->b_multicast && p_sys->b_no_data &&
1188              ( p_sys->i_no_data_ti > 34 ) )
1189     {
1190         bool b_rtsp_tcp = var_GetBool( p_demux, "rtsp-tcp" ) ||
1191                                 var_GetBool( p_demux, "rtsp-http" );
1192
1193         if( !b_rtsp_tcp && p_sys->rtsp && p_sys->ms )
1194         {
1195             msg_Warn( p_demux, "no data received in 10s. Switching to TCP" );
1196             if( RollOverTcp( p_demux ) )
1197             {
1198                 msg_Err( p_demux, "TCP rollover failed, aborting" );
1199                 return 0;
1200             }
1201             return 1;
1202         }
1203         msg_Err( p_demux, "no data received in 10s, aborting" );
1204         return 0;
1205     }
1206     else if( !p_sys->b_multicast && p_sys->i_no_data_ti > 34 )
1207     {
1208         /* EOF ? */
1209         msg_Warn( p_demux, "no data received in 10s, eof ?" );
1210         return 0;
1211     }
1212     return p_demux->b_error ? 0 : 1;
1213 }
1214
1215 /*****************************************************************************
1216  * Control:
1217  *****************************************************************************/
1218 static int Control( demux_t *p_demux, int i_query, va_list args )
1219 {
1220     demux_sys_t *p_sys = p_demux->p_sys;
1221     int64_t *pi64, i64;
1222     double  *pf, f;
1223     bool *pb, *pb2, b_bool;
1224     int *pi_int;
1225
1226     switch( i_query )
1227     {
1228         case DEMUX_GET_TIME:
1229             pi64 = (int64_t*)va_arg( args, int64_t * );
1230             if( p_sys->i_npt > 0 )
1231             {
1232                 *pi64 = (int64_t)(p_sys->i_npt * 1000000.);
1233                 return VLC_SUCCESS;
1234             }
1235             return VLC_EGENERIC;
1236
1237         case DEMUX_GET_LENGTH:
1238             pi64 = (int64_t*)va_arg( args, int64_t * );
1239             if( p_sys->i_npt_length > 0 )
1240             {
1241                 *pi64 = (int64_t)((double)p_sys->i_npt_length * 1000000.0);
1242                 return VLC_SUCCESS;
1243             }
1244             return VLC_EGENERIC;
1245
1246         case DEMUX_GET_POSITION:
1247             pf = (double*)va_arg( args, double* );
1248             if( (p_sys->i_npt_length > 0) && (p_sys->i_npt > 0) )
1249             {
1250                 *pf = ( (double)p_sys->i_npt / (double)p_sys->i_npt_length );
1251                 return VLC_SUCCESS;
1252             }
1253             return VLC_EGENERIC;
1254
1255         case DEMUX_SET_POSITION:
1256         case DEMUX_SET_TIME:
1257             if( p_sys->rtsp && (p_sys->i_npt_length > 0) )
1258             {
1259                 int i;
1260                 float time;
1261
1262                 if( (i_query == DEMUX_SET_TIME) && (p_sys->i_npt > 0) )
1263                 {
1264                     i64 = (int64_t)va_arg( args, int64_t );
1265                     time = (float)((double)i64 / (double)1000000.0); /* in second */
1266                 }
1267                 else if( i_query == DEMUX_SET_TIME )
1268                     return VLC_EGENERIC;
1269                 else
1270                 {
1271                     f = (double)va_arg( args, double );
1272                     time = f * (double)p_sys->i_npt_length;   /* in second */
1273                 }
1274
1275                 if( !p_sys->rtsp->playMediaSession( *p_sys->ms, time, -1, 1 ) )
1276                 {
1277                     msg_Err( p_demux, "PLAY failed %s",
1278                         p_sys->env->getResultMsg() );
1279                     return VLC_EGENERIC;
1280                 }
1281                 p_sys->i_pcr = 0;
1282
1283                 /* Retrieve RTP-Info values */
1284                 for( i = 0; i < p_sys->i_track; i++ )
1285                 {
1286                     p_sys->track[i]->b_rtcp_sync = false;
1287                     p_sys->track[i]->i_pts = 0;
1288                 }
1289
1290                 /* Retrieve the starttime if possible */
1291                 p_sys->i_npt = p_sys->i_npt_start = p_sys->ms->playStartTime();
1292
1293                 /* Retrieve the duration if possible */
1294                 p_sys->i_npt_length = p_sys->ms->playEndTime();
1295
1296                 msg_Dbg( p_demux, "seek start: %f stop:%f", p_sys->i_npt_start, p_sys->i_npt_length );
1297                 return VLC_SUCCESS;
1298             }
1299             return VLC_EGENERIC;
1300
1301         /* Special for access_demux */
1302         case DEMUX_CAN_PAUSE:
1303         case DEMUX_CAN_SEEK:
1304             pb = (bool*)va_arg( args, bool * );
1305             if( p_sys->rtsp && p_sys->i_npt_length > 0 )
1306                 /* Not always true, but will be handled in SET_PAUSE_STATE */
1307                 *pb = true;
1308             else
1309                 *pb = false;
1310             return VLC_SUCCESS;
1311
1312         case DEMUX_CAN_CONTROL_PACE:
1313             pb = (bool*)va_arg( args, bool * );
1314
1315 #if 1       /* Disable for now until we have a clock synchro algo
1316              * which works with something else than MPEG over UDP */
1317             *pb = false;
1318 #else
1319             *pb = true;
1320 #endif
1321             return VLC_SUCCESS;
1322
1323         case DEMUX_CAN_CONTROL_RATE:
1324             pb = (bool*)va_arg( args, bool * );
1325             pb2 = (bool*)va_arg( args, bool * );
1326
1327             *pb = (p_sys->rtsp != NULL) &&
1328                     (p_sys->i_npt_length > 0) &&
1329                     !var_GetBool( p_demux, "rtsp-kasenna" );
1330             *pb2 = false;
1331             return VLC_SUCCESS;
1332
1333         case DEMUX_SET_RATE:
1334         {
1335             double f_scale, f_old_scale;
1336
1337             if( !p_sys->rtsp || (p_sys->i_npt_length <= 0) ||
1338                 var_GetBool( p_demux, "rtsp-kasenna" ) )
1339                 return VLC_EGENERIC;
1340
1341             /* According to RFC 2326 p56 chapter 12.35 a RTSP server that
1342              * supports Scale should:
1343              *
1344              * "The server should try to approximate the viewing rate, but may
1345              *  restrict the range of scale values that it supports. The response
1346              *  MUST contain the actual scale value chosen by the server."
1347              *
1348              * Scale = 1 indicates normal play
1349              * Scale > 1 indicates fast forward
1350              * Scale < 1 && Scale > 0 indicates slow motion
1351              * Scale < 0 value indicates rewind
1352              */
1353
1354             pi_int = (int*)va_arg( args, int * );
1355             f_scale = (double)INPUT_RATE_DEFAULT / (*pi_int);
1356             f_old_scale = p_sys->ms->scale();
1357
1358             /* Passing -1 for the start and end time will mean liveMedia won't
1359              * create a Range: section for the RTSP message. The server should
1360              * pick up from the current position */
1361             if( !p_sys->rtsp->playMediaSession( *p_sys->ms, -1, -1, f_scale ) )
1362             {
1363                 msg_Err( p_demux, "PLAY with Scale %0.2f failed %s", f_scale,
1364                         p_sys->env->getResultMsg() );
1365                 return VLC_EGENERIC;
1366             }
1367
1368             if( p_sys->ms->scale() == f_old_scale )
1369             {
1370                 msg_Err( p_demux, "no scale change using old Scale %0.2f",
1371                           p_sys->ms->scale() );
1372                 return VLC_EGENERIC;
1373             }
1374
1375             /* ReSync the stream */
1376             p_sys->i_npt_start = 0;
1377             p_sys->i_pcr = 0;
1378             p_sys->i_npt = 0.0;
1379
1380             *pi_int = (int)( INPUT_RATE_DEFAULT / p_sys->ms->scale() );
1381             msg_Dbg( p_demux, "PLAY with new Scale %0.2f (%d)", p_sys->ms->scale(), (*pi_int) );
1382             return VLC_SUCCESS;
1383         }
1384
1385         case DEMUX_SET_PAUSE_STATE:
1386         {
1387             int i;
1388
1389             b_bool = (bool)va_arg( args, int );
1390             if( p_sys->rtsp == NULL )
1391                 return VLC_EGENERIC;
1392
1393             /* FIXME */
1394             if( ( b_bool && !p_sys->rtsp->pauseMediaSession( *p_sys->ms ) ) ||
1395                     ( !b_bool && !p_sys->rtsp->playMediaSession( *p_sys->ms,
1396                        -1 ) ) )
1397             {
1398                     msg_Err( p_demux, "PLAY or PAUSE failed %s", p_sys->env->getResultMsg() );
1399                     return VLC_EGENERIC;
1400             }
1401
1402             /* When we Pause, we'll need the TimeoutPrevention thread to
1403              * handle sending the "Keep Alive" message to the server.
1404              * Unfortunately Live555 isn't thread safe and so can't
1405              * do this normally while the main Demux thread is handling
1406              * a live stream. We end up with the Timeout thread blocking
1407              * waiting for a response from the server. So when we PAUSE
1408              * we set a flag that the TimeoutPrevention function will check
1409              * and if it's set, it will trigger the GET_PARAMETER message */
1410             if( b_bool && p_sys->p_timeout != NULL )
1411                 p_sys->p_timeout->b_handle_keep_alive = true;
1412             else if( !b_bool && p_sys->p_timeout != NULL )
1413                 p_sys->p_timeout->b_handle_keep_alive = false;
1414
1415             for( i = 0; !b_bool && i < p_sys->i_track; i++ )
1416             {
1417                 live_track_t *tk = p_sys->track[i];
1418                 tk->b_rtcp_sync = false;
1419                 tk->i_pts = 0;
1420                 p_sys->i_pcr = 0;
1421                 es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
1422             }
1423
1424             /* Retrieve the starttime if possible */
1425             p_sys->i_npt = p_sys->i_npt_start = p_sys->ms->playStartTime();
1426
1427             /* Retrieve the duration if possible */
1428             p_sys->i_npt_length = p_sys->ms->playEndTime();
1429
1430             msg_Dbg( p_demux, "pause start: %f stop:%f", p_sys->i_npt_start, p_sys->i_npt_length );
1431             return VLC_SUCCESS;
1432         }
1433         case DEMUX_GET_TITLE_INFO:
1434         case DEMUX_SET_TITLE:
1435         case DEMUX_SET_SEEKPOINT:
1436             return VLC_EGENERIC;
1437
1438         case DEMUX_GET_PTS_DELAY:
1439             pi64 = (int64_t*)va_arg( args, int64_t * );
1440             *pi64 = (int64_t)var_GetInteger( p_demux, "rtsp-caching" ) * 1000;
1441             return VLC_SUCCESS;
1442
1443         default:
1444             return VLC_EGENERIC;
1445     }
1446 }
1447
1448 /*****************************************************************************
1449  * RollOverTcp: reopen the rtsp into TCP mode
1450  * XXX: ugly, a lot of code are duplicated from Open()
1451  * This should REALLY be fixed
1452  *****************************************************************************/
1453 static int RollOverTcp( demux_t *p_demux )
1454 {
1455     demux_sys_t *p_sys = p_demux->p_sys;
1456     int i, i_return;
1457
1458     var_SetBool( p_demux, "rtsp-tcp", true );
1459
1460     /* We close the old RTSP session */
1461     for( i = 0; i < p_sys->i_track; i++ )
1462     {
1463         live_track_t *tk = p_sys->track[i];
1464
1465         if( tk->b_muxed ) stream_Delete( tk->p_out_muxed );
1466         if( tk->p_es ) es_out_Del( p_demux->out, tk->p_es );
1467         es_format_Clean( &tk->fmt );
1468         free( tk->p_buffer );
1469         free( tk );
1470     }
1471     if( p_sys->i_track ) free( p_sys->track );
1472     if( p_sys->p_out_asf ) stream_Delete( p_sys->p_out_asf );
1473
1474     p_sys->rtsp->teardownMediaSession( *p_sys->ms );
1475     Medium::close( p_sys->ms );
1476     RTSPClient::close( p_sys->rtsp );
1477
1478     p_sys->ms = NULL;
1479     p_sys->rtsp = NULL;
1480     p_sys->track = NULL;
1481     p_sys->i_track = 0;
1482
1483     /* Reopen rtsp client */
1484     if( ( i_return = Connect( p_demux ) ) != VLC_SUCCESS )
1485     {
1486         msg_Err( p_demux, "Failed to connect with rtsp://%s",
1487                  p_sys->psz_path );
1488         goto error;
1489     }
1490
1491     if( p_sys->p_sdp == NULL )
1492     {
1493         msg_Err( p_demux, "Failed to retrieve the RTSP Session Description" );
1494         goto error;
1495     }
1496
1497     if( ( i_return = SessionsSetup( p_demux ) ) != VLC_SUCCESS )
1498     {
1499         msg_Err( p_demux, "Nothing to play for rtsp://%s", p_sys->psz_path );
1500         goto error;
1501     }
1502
1503     if( ( i_return = Play( p_demux ) ) != VLC_SUCCESS )
1504         goto error;
1505
1506     return VLC_SUCCESS;
1507
1508 error:
1509     return VLC_EGENERIC;
1510 }
1511
1512
1513 /*****************************************************************************
1514  *
1515  *****************************************************************************/
1516 static void StreamRead( void *p_private, unsigned int i_size,
1517                         unsigned int i_truncated_bytes, struct timeval pts,
1518                         unsigned int duration )
1519 {
1520     live_track_t   *tk = (live_track_t*)p_private;
1521     demux_t        *p_demux = tk->p_demux;
1522     demux_sys_t    *p_sys = p_demux->p_sys;
1523     block_t        *p_block;
1524
1525     //msg_Dbg( p_demux, "pts: %d", pts.tv_sec );
1526
1527     int64_t i_pts = (int64_t)pts.tv_sec * INT64_C(1000000) +
1528         (int64_t)pts.tv_usec;
1529
1530     /* XXX Beurk beurk beurk Avoid having negative value XXX */
1531     i_pts &= INT64_C(0x00ffffffffffffff);
1532
1533     /* Retrieve NPT for this pts */
1534     tk->i_npt = tk->sub->getNormalPlayTime(pts);
1535
1536     if( tk->b_quicktime && tk->p_es == NULL )
1537     {
1538         QuickTimeGenericRTPSource *qtRTPSource =
1539             (QuickTimeGenericRTPSource*)tk->sub->rtpSource();
1540         QuickTimeGenericRTPSource::QTState &qtState = qtRTPSource->qtState;
1541         uint8_t *sdAtom = (uint8_t*)&qtState.sdAtom[4];
1542
1543         if( tk->fmt.i_cat == VIDEO_ES ) {
1544             if( qtState.sdAtomSize < 16 + 32 )
1545             {
1546                 /* invalid */
1547                 p_sys->event = 0xff;
1548                 tk->waiting = 0;
1549                 return;
1550             }
1551             tk->fmt.i_codec = VLC_FOURCC(sdAtom[0],sdAtom[1],sdAtom[2],sdAtom[3]);
1552             tk->fmt.video.i_width  = (sdAtom[28] << 8) | sdAtom[29];
1553             tk->fmt.video.i_height = (sdAtom[30] << 8) | sdAtom[31];
1554
1555             if( tk->fmt.i_codec == VLC_FOURCC('a', 'v', 'c', '1') )
1556             {
1557                 uint8_t *pos = (uint8_t*)qtRTPSource->qtState.sdAtom + 86;
1558                 uint8_t *endpos = (uint8_t*)qtRTPSource->qtState.sdAtom
1559                                   + qtRTPSource->qtState.sdAtomSize;
1560                 while (pos+8 < endpos) {
1561                     unsigned int atomLength = pos[0]<<24 | pos[1]<<16 | pos[2]<<8 | pos[3];
1562                     if( atomLength == 0 || atomLength > (unsigned int)(endpos-pos)) break;
1563                     if( memcmp(pos+4, "avcC", 4) == 0 &&
1564                         atomLength > 8 &&
1565                         atomLength <= INT_MAX )
1566                     {
1567                         tk->fmt.i_extra = atomLength-8;
1568                         tk->fmt.p_extra = malloc( tk->fmt.i_extra );
1569                         memcpy(tk->fmt.p_extra, pos+8, atomLength-8);
1570                         break;
1571                     }
1572                     pos += atomLength;
1573                 }
1574             }
1575             else
1576             {
1577                 tk->fmt.i_extra        = qtState.sdAtomSize - 16;
1578                 tk->fmt.p_extra        = malloc( tk->fmt.i_extra );
1579                 memcpy( tk->fmt.p_extra, &sdAtom[12], tk->fmt.i_extra );
1580             }
1581         }
1582         else {
1583             if( qtState.sdAtomSize < 4 )
1584             {
1585                 /* invalid */
1586                 p_sys->event = 0xff;
1587                 tk->waiting = 0;
1588                 return;
1589             }
1590             tk->fmt.i_codec = VLC_FOURCC(sdAtom[0],sdAtom[1],sdAtom[2],sdAtom[3]);
1591         }
1592         tk->p_es = es_out_Add( p_demux->out, &tk->fmt );
1593     }
1594
1595 #if 0
1596     fprintf( stderr, "StreamRead size=%d pts=%lld\n",
1597              i_size,
1598              pts.tv_sec * 1000000LL + pts.tv_usec );
1599 #endif
1600
1601     /* grow buffer if it looks like buffer is too small, but don't eat
1602      * up all the memory on strange streams */
1603     if( i_truncated_bytes > 0 && tk->i_buffer < 2000000 )
1604     {
1605         void *p_tmp;
1606         msg_Dbg( p_demux, "lost %d bytes", i_truncated_bytes );
1607         msg_Dbg( p_demux, "increasing buffer size to %d", tk->i_buffer * 2 );
1608         tk->i_buffer *= 2;
1609         p_tmp = realloc( tk->p_buffer, tk->i_buffer );
1610         if( p_tmp == NULL )
1611         {
1612             msg_Warn( p_demux, "realloc failed" );
1613         }
1614         else
1615         {
1616             tk->p_buffer = (uint8_t*)p_tmp;
1617         }
1618     }
1619     if( i_size > tk->i_buffer )
1620     {
1621         msg_Warn( p_demux, "buffer overflow" );
1622     }
1623     /* FIXME could i_size be > buffer size ? */
1624     if( tk->fmt.i_codec == VLC_FOURCC('s','a','m','r') ||
1625         tk->fmt.i_codec == VLC_FOURCC('s','a','w','b') )
1626     {
1627         AMRAudioSource *amrSource = (AMRAudioSource*)tk->sub->readSource();
1628
1629         p_block = block_New( p_demux, i_size + 1 );
1630         p_block->p_buffer[0] = amrSource->lastFrameHeader();
1631         memcpy( p_block->p_buffer + 1, tk->p_buffer, i_size );
1632     }
1633     else if( tk->fmt.i_codec == VLC_FOURCC('H','2','6','1') )
1634     {
1635         H261VideoRTPSource *h261Source = (H261VideoRTPSource*)tk->sub->rtpSource();
1636         uint32_t header = h261Source->lastSpecialHeader();
1637         p_block = block_New( p_demux, i_size + 4 );
1638         memcpy( p_block->p_buffer, &header, 4 );
1639         memcpy( p_block->p_buffer + 4, tk->p_buffer, i_size );
1640
1641         if( tk->sub->rtpSource()->curPacketMarkerBit() )
1642             p_block->i_flags |= BLOCK_FLAG_END_OF_FRAME;
1643     }
1644     else if( tk->fmt.i_codec == VLC_FOURCC('h','2','6','4') )
1645     {
1646         if( (tk->p_buffer[0] & 0x1f) >= 24 )
1647             msg_Warn( p_demux, "unsupported NAL type for H264" );
1648
1649         /* Normal NAL type */
1650         p_block = block_New( p_demux, i_size + 4 );
1651         p_block->p_buffer[0] = 0x00;
1652         p_block->p_buffer[1] = 0x00;
1653         p_block->p_buffer[2] = 0x00;
1654         p_block->p_buffer[3] = 0x01;
1655         memcpy( &p_block->p_buffer[4], tk->p_buffer, i_size );
1656     }
1657     else if( tk->b_asf )
1658     {
1659         int i_copy = __MIN( p_sys->asfh.i_min_data_packet_size, (int)i_size );
1660         p_block = block_New( p_demux, p_sys->asfh.i_min_data_packet_size );
1661
1662         memcpy( p_block->p_buffer, tk->p_buffer, i_copy );
1663     }
1664     else
1665     {
1666         p_block = block_New( p_demux, i_size );
1667         memcpy( p_block->p_buffer, tk->p_buffer, i_size );
1668     }
1669
1670     if( p_sys->i_pcr < i_pts )
1671     {
1672         p_sys->i_pcr = i_pts;
1673     }
1674
1675     if( (i_pts != tk->i_pts) && (!tk->b_muxed) )
1676     {
1677         p_block->i_pts = i_pts;
1678     }
1679
1680     /* Update our global npt value */
1681     if( tk->i_npt > 0 && tk->i_npt > p_sys->i_npt && tk->i_npt < p_sys->i_npt_length)
1682         p_sys->i_npt = tk->i_npt;
1683
1684     if( !tk->b_muxed )
1685     {
1686         /*FIXME: for h264 you should check that packetization-mode=1 in sdp-file */
1687         p_block->i_dts = ( tk->fmt.i_codec == VLC_FOURCC( 'm', 'p', 'g', 'v' ) ) ? 0 : i_pts;
1688     }
1689
1690     if( tk->b_muxed )
1691     {
1692         stream_DemuxSend( tk->p_out_muxed, p_block );
1693     }
1694     else if( tk->b_asf )
1695     {
1696         stream_DemuxSend( p_sys->p_out_asf, p_block );
1697     }
1698     else
1699     {
1700         es_out_Send( p_demux->out, tk->p_es, p_block );
1701     }
1702
1703     /* warn that's ok */
1704     p_sys->event = 0xff;
1705
1706     /* we have read data */
1707     tk->waiting = 0;
1708     p_demux->p_sys->b_no_data = false;
1709     p_demux->p_sys->i_no_data_ti = 0;
1710
1711     if( i_pts > 0 && !tk->b_muxed )
1712     {
1713         tk->i_pts = i_pts;
1714     }
1715 }
1716
1717 /*****************************************************************************
1718  *
1719  *****************************************************************************/
1720 static void StreamClose( void *p_private )
1721 {
1722     live_track_t   *tk = (live_track_t*)p_private;
1723     demux_t        *p_demux = tk->p_demux;
1724     demux_sys_t    *p_sys = p_demux->p_sys;
1725
1726     msg_Dbg( p_demux, "StreamClose" );
1727
1728     p_sys->event = 0xff;
1729     p_demux->b_error = true;
1730 }
1731
1732
1733 /*****************************************************************************
1734  *
1735  *****************************************************************************/
1736 static void TaskInterrupt( void *p_private )
1737 {
1738     demux_t *p_demux = (demux_t*)p_private;
1739
1740     p_demux->p_sys->i_no_data_ti++;
1741
1742     /* Avoid lock */
1743     p_demux->p_sys->event = 0xff;
1744 }
1745
1746 /*****************************************************************************
1747  *
1748  *****************************************************************************/
1749 static void* TimeoutPrevention( void *p_data )
1750 {
1751     timeout_thread_t *p_timeout = (timeout_thread_t *)p_data;
1752
1753     for( ;; )
1754     {
1755         /* Voodoo (= no) thread safety here! *Ahem* */
1756         if( p_timeout->b_handle_keep_alive )
1757         {
1758             char *psz_bye = NULL;
1759             int canc = vlc_savecancel ();
1760
1761             p_timeout->p_sys->rtsp->getMediaSessionParameter( *p_timeout->p_sys->ms, NULL, psz_bye );
1762             vlc_restorecancel (canc);
1763         }
1764         p_timeout->p_sys->b_timeout_call = !p_timeout->b_handle_keep_alive;
1765
1766         msleep (((int64_t)p_timeout->p_sys->i_timeout - 2) * CLOCK_FREQ);
1767     }
1768     assert(0); /* dead code */
1769 }
1770
1771 /*****************************************************************************
1772  *
1773  *****************************************************************************/
1774 static int b64_decode( char *dest, char *src );
1775
1776 static int ParseASF( demux_t *p_demux )
1777 {
1778     demux_sys_t    *p_sys = p_demux->p_sys;
1779
1780     const char *psz_marker = "a=pgmpu:data:application/vnd.ms.wms-hdr.asfv1;base64,";
1781     char *psz_asf = strcasestr( p_sys->p_sdp, psz_marker );
1782     char *psz_end;
1783     block_t *p_header;
1784
1785     /* Parse the asf header */
1786     if( psz_asf == NULL )
1787         return VLC_EGENERIC;
1788
1789     psz_asf += strlen( psz_marker );
1790     psz_asf = strdup( psz_asf );    /* Duplicate it */
1791     psz_end = strchr( psz_asf, '\n' );
1792
1793     while( psz_end > psz_asf && ( *psz_end == '\n' || *psz_end == '\r' ) )
1794         *psz_end-- = '\0';
1795
1796     if( psz_asf >= psz_end )
1797     {
1798         free( psz_asf );
1799         return VLC_EGENERIC;
1800     }
1801
1802     /* Always smaller */
1803     p_header = block_New( p_demux, psz_end - psz_asf );
1804     p_header->i_buffer = b64_decode( (char*)p_header->p_buffer, psz_asf );
1805     //msg_Dbg( p_demux, "Size=%d Hdrb64=%s", p_header->i_buffer, psz_asf );
1806     if( p_header->i_buffer <= 0 )
1807     {
1808         free( psz_asf );
1809         return VLC_EGENERIC;
1810     }
1811
1812     /* Parse it to get packet size */
1813     asf_HeaderParse( &p_sys->asfh, p_header->p_buffer, p_header->i_buffer );
1814
1815     /* Send it to demuxer */
1816     stream_DemuxSend( p_sys->p_out_asf, p_header );
1817
1818     free( psz_asf );
1819     return VLC_SUCCESS;
1820 }
1821
1822
1823 static unsigned char* parseH264ConfigStr( char const* configStr,
1824                                           unsigned int& configSize )
1825 {
1826     char *dup, *psz;
1827     int i, i_records = 1;
1828
1829     if( configSize )
1830     configSize = 0;
1831
1832     if( configStr == NULL || *configStr == '\0' )
1833         return NULL;
1834
1835     psz = dup = strdup( configStr );
1836
1837     /* Count the number of comma's */
1838     for( psz = dup; *psz != '\0'; ++psz )
1839     {
1840         if( *psz == ',')
1841         {
1842             ++i_records;
1843             *psz = '\0';
1844         }
1845     }
1846
1847     unsigned char *cfg = new unsigned char[5 * strlen(dup)];
1848     psz = dup;
1849     for( i = 0; i < i_records; i++ )
1850     {
1851         cfg[configSize++] = 0x00;
1852         cfg[configSize++] = 0x00;
1853         cfg[configSize++] = 0x00;
1854         cfg[configSize++] = 0x01;
1855
1856         configSize += b64_decode( (char*)&cfg[configSize], psz );
1857         psz += strlen(psz)+1;
1858     }
1859
1860     free( dup );
1861     return cfg;
1862 }
1863
1864 /*char b64[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";*/
1865 static int b64_decode( char *dest, char *src )
1866 {
1867     const char *dest_start = dest;
1868     int  i_level;
1869     int  last = 0;
1870     int  b64[256] = {
1871         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* 00-0F */
1872         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* 10-1F */
1873         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,62,-1,-1,-1,63,  /* 20-2F */
1874         52,53,54,55,56,57,58,59,60,61,-1,-1,-1,-1,-1,-1,  /* 30-3F */
1875         -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10,11,12,13,14,  /* 40-4F */
1876         15,16,17,18,19,20,21,22,23,24,25,-1,-1,-1,-1,-1,  /* 50-5F */
1877         -1,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,  /* 60-6F */
1878         41,42,43,44,45,46,47,48,49,50,51,-1,-1,-1,-1,-1,  /* 70-7F */
1879         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* 80-8F */
1880         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* 90-9F */
1881         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* A0-AF */
1882         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* B0-BF */
1883         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* C0-CF */
1884         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* D0-DF */
1885         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* E0-EF */
1886         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1   /* F0-FF */
1887         };
1888
1889     for( i_level = 0; *src != '\0'; src++ )
1890     {
1891         int  c;
1892
1893         c = b64[(unsigned int)*src];
1894         if( c == -1 )
1895         {
1896             continue;
1897         }
1898
1899         switch( i_level )
1900         {
1901             case 0:
1902                 i_level++;
1903                 break;
1904             case 1:
1905                 *dest++ = ( last << 2 ) | ( ( c >> 4)&0x03 );
1906                 i_level++;
1907                 break;
1908             case 2:
1909                 *dest++ = ( ( last << 4 )&0xf0 ) | ( ( c >> 2 )&0x0f );
1910                 i_level++;
1911                 break;
1912             case 3:
1913                 *dest++ = ( ( last &0x03 ) << 6 ) | c;
1914                 i_level = 0;
1915         }
1916         last = c;
1917     }
1918
1919     *dest = '\0';
1920
1921     return dest - dest_start;
1922 }