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 )
 556     {
 557         p_sys->b_get_param = strstr( psz_options, "GET_PARAMETER" ) ? true : false ;
 558 #if LIVEMEDIA_LIBRARY_VERSION_INT >= 1223337600
 559         p_sdp = p_sys->rtsp->describeWithPassword( psz_url, (const char*)psz_user, (const char*)psz_pwd,
 560                                           var_GetBool( p_demux, "rtsp-kasenna" ), timeout );
 561 #else
 562         p_sdp = p_sys->rtsp->describeWithPassword( psz_url, (const char*)psz_user, (const char*)psz_pwd,
 563                                           var_GetBool( p_demux, "rtsp-kasenna" ) );
 564 #endif
 565
 566     }
 567     delete [] psz_options;
 568
 569     if( p_sdp == NULL )
 570     {
 571         /* failure occurred */
 572         int i_code = 0;
 573         const char *psz_error = p_sys->env->getResultMsg();
 574
 575         if( var_GetBool( p_demux, "rtsp-http" ) )
 576             sscanf( psz_error, "%*s %*s HTTP GET %*s HTTP/%*u.%*u %3u %*s",
 577                     &i_code );
 578         else
 579         {
 580             const char *psz_tmp = strstr( psz_error, "RTSP" );
 581             if( psz_tmp )
 582                 sscanf( psz_tmp, "RTSP/%*s%3u", &i_code );
 583             else
 584                 i_code = 0;
 585         }
 586         msg_Dbg( p_demux, "DESCRIBE failed with %d: %s", i_code, psz_error );
 587
 588         if( b_firstpass )
 589         {   /* describeURL always returns an "RTSP/1.0 401 Unauthorized" the
 590              * first time. This is a workaround to avoid asking for a
 591              * user/passwd the first time the code passess here. */
 592             i_code = 0;
 593             b_firstpass = false;
 594         }
 595
 596         if( i_code == 401 )
 597         {
 598             int i_result;
 599             msg_Dbg( p_demux, "authentication failed" );
 600
 601             free( psz_user );
 602             free( psz_pwd );
 603             psz_user = psz_pwd = NULL;
 604
 605             i_result = intf_UserLoginPassword( p_demux, _("RTSP authentication"),
 606                            _("Please enter a valid login name and a password."),
 607                                                    &psz_user, &psz_pwd );
 608             if( i_result == DIALOG_OK_YES )
 609             {
 610                 msg_Dbg( p_demux, "retrying with user=%s, pwd=%s",
 611                          psz_user, psz_pwd );
 612                 goto describe;
 613             }
 614         }
 615         else if( (i_code != 0) && !var_GetBool( p_demux, "rtsp-http" ) )
 616         {
 617             /* Perhaps a firewall is being annoying. Try HTTP tunneling mode */
 618             vlc_value_t val;
 619             val.b_bool = true;
 620             msg_Dbg( p_demux, "we will now try HTTP tunneling mode" );
 621             var_Set( p_demux, "rtsp-http", val );
 622             if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp );
 623             p_sys->rtsp = NULL;
 624             goto createnew;
 625         }
 626         else
 627         {
 628             msg_Dbg( p_demux, "connection timeout" );
 629             if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp );
 630             p_sys->rtsp = NULL;
 631         }
 632         i_ret = VLC_EGENERIC;
 633     }
 634
 635     /* malloc-ated copy */
 636     free( psz_url );
 637     free( psz_user );
 638     free( psz_pwd );
 639
 640     free( p_sys->p_sdp );
 641     p_sys->p_sdp = NULL;
 642     if( p_sdp ) p_sys->p_sdp = strdup( (char*)p_sdp );
 643     delete[] p_sdp;
 644
 645     return i_ret;
 646 }
 647
 648 /*****************************************************************************
 649  * SessionsSetup: prepares the subsessions and does the SETUP
 650  *****************************************************************************/
 651 static int SessionsSetup( demux_t *p_demux )
 652 {
 653     demux_sys_t             *p_sys  = p_demux->p_sys;
 654     MediaSubsessionIterator *iter   = NULL;
 655     MediaSubsession         *sub    = NULL;
 656
 657     bool           b_rtsp_tcp = false;
 658     int            i_client_port;
 659     int            i_return = VLC_SUCCESS;
 660     unsigned int   i_buffer = 0;
 661     unsigned const thresh = 200000; /* RTP reorder threshold .2 second (default .1) */
 662
 663     b_rtsp_tcp    = var_CreateGetBool( p_demux, "rtsp-tcp" ) ||
 664                     var_GetBool( p_demux, "rtsp-http" );
 665     i_client_port = var_CreateGetInteger( p_demux, "rtp-client-port" );
 666
 667     /* Create the session from the SDP */
 668     if( !( p_sys->ms = MediaSession::createNew( *p_sys->env, p_sys->p_sdp ) ) )
 669     {
 670         msg_Err( p_demux, "Could not create the RTSP Session: %s",
 671             p_sys->env->getResultMsg() );
 672         return VLC_EGENERIC;
 673     }
 674
 675     /* Initialise each media subsession */
 676     iter = new MediaSubsessionIterator( *p_sys->ms );
 677     while( ( sub = iter->next() ) != NULL )
 678     {
 679         Boolean bInit;
 680         live_track_t *tk;
 681
 682         if( !vlc_object_alive (p_demux) || p_demux->b_error )
 683         {
 684             delete iter;
 685             return VLC_EGENERIC;
 686         }
 687
 688         /* Value taken from mplayer */
 689         if( !strcmp( sub->mediumName(), "audio" ) )
 690             i_buffer = 100000;
 691         else if( !strcmp( sub->mediumName(), "video" ) )
 692             i_buffer = 2000000;
 693         else continue;
 694
 695         if( i_client_port != -1 )
 696         {
 697             sub->setClientPortNum( i_client_port );
 698             i_client_port += 2;
 699         }
 700
 701         if( strcasestr( sub->codecName(), "REAL" ) )
 702         {
 703             msg_Info( p_demux, "real codec detected, using real-RTSP instead" );
 704             p_sys->b_real = true; /* This is a problem, we'll handle it later */
 705             continue;
 706         }
 707
 708         if( !strcmp( sub->codecName(), "X-ASF-PF" ) )
 709             bInit = sub->initiate( 4 ); /* Constant ? */
 710         else
 711             bInit = sub->initiate();
 712
 713         if( !bInit )
 714         {
 715             msg_Warn( p_demux, "RTP subsession '%s/%s' failed (%s)",
 716                       sub->mediumName(), sub->codecName(),
 717                       p_sys->env->getResultMsg() );
 718         }
 719         else
 720         {
 721             if( sub->rtpSource() != NULL )
 722             {
 723                 int fd = sub->rtpSource()->RTPgs()->socketNum();
 724
 725                 /* Increase the buffer size */
 726                 if( i_buffer > 0 )
 727                     increaseReceiveBufferTo( *p_sys->env, fd, i_buffer );
 728
 729                 /* Increase the RTP reorder timebuffer just a bit */
 730                 sub->rtpSource()->setPacketReorderingThresholdTime(thresh);
 731             }
 732             msg_Dbg( p_demux, "RTP subsession '%s/%s'", sub->mediumName(),
 733                      sub->codecName() );
 734
 735             /* Issue the SETUP */
 736             if( p_sys->rtsp )
 737             {
 738                 if( !p_sys->rtsp->setupMediaSubsession( *sub, False,
 739                                            b_rtsp_tcp ? True : False,
 740                                            ( p_sys->b_force_mcast && !b_rtsp_tcp ) ? True : False ) )
 741                 {
 742                     /* if we get an unsupported transport error, toggle TCP use and try again */
 743                     if( !strstr(p_sys->env->getResultMsg(), "461 Unsupported Transport")
 744                      || !p_sys->rtsp->setupMediaSubsession( *sub, False,
 745                                            b_rtsp_tcp ? False : True,
 746                                            False ) )
 747                     {
 748                         msg_Err( p_demux, "SETUP of'%s/%s' failed %s", sub->mediumName(),
 749                                  sub->codecName(), p_sys->env->getResultMsg() );
 750                         continue;
 751                     }
 752                 }
 753             }
 754
 755             /* Check if we will receive data from this subsession for this track */
 756             if( sub->readSource() == NULL ) continue;
 757             if( !p_sys->b_multicast )
 758             {
 759                 /* Check, because we need diff. rollover behaviour for multicast */
 760                 p_sys->b_multicast = IsMulticastAddress( sub->connectionEndpointAddress() );
 761             }
 762
 763             tk = (live_track_t*)malloc( sizeof( live_track_t ) );
 764             if( !tk )
 765             {
 766                 delete iter;
 767                 return VLC_ENOMEM;
 768             }
 769             tk->p_demux     = p_demux;
 770             tk->sub         = sub;
 771             tk->p_es        = NULL;
 772             tk->b_quicktime = false;
 773             tk->b_asf       = false;
 774             tk->b_muxed     = false;
 775             tk->p_out_muxed = NULL;
 776             tk->waiting     = 0;
 777             tk->b_rtcp_sync = false;
 778             tk->i_pts       = 0;
 779             tk->i_npt       = 0.;
 780             tk->i_buffer    = 65536;
 781             tk->p_buffer    = (uint8_t *)malloc( 65536 );
 782             if( !tk->p_buffer )
 783             {
 784                 free( tk );
 785                 delete iter;
 786                 return VLC_ENOMEM;
 787             }
 788
 789             /* Value taken from mplayer */
 790             if( !strcmp( sub->mediumName(), "audio" ) )
 791             {
 792                 es_format_Init( &tk->fmt, AUDIO_ES, VLC_FOURCC('u','n','d','f') );
 793                 tk->fmt.audio.i_channels = sub->numChannels();
 794                 tk->fmt.audio.i_rate = sub->rtpTimestampFrequency();
 795
 796                 if( !strcmp( sub->codecName(), "MPA" ) ||
 797                     !strcmp( sub->codecName(), "MPA-ROBUST" ) ||
 798                     !strcmp( sub->codecName(), "X-MP3-DRAFT-00" ) )
 799                 {
 800                     tk->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'a' );
 801                     tk->fmt.audio.i_rate = 0;
 802                 }
 803                 else if( !strcmp( sub->codecName(), "AC3" ) )
 804                 {
 805                     tk->fmt.i_codec = VLC_FOURCC( 'a', '5', '2', ' ' );
 806                     tk->fmt.audio.i_rate = 0;
 807                 }
 808                 else if( !strcmp( sub->codecName(), "L16" ) )
 809                 {
 810                     tk->fmt.i_codec = VLC_FOURCC( 't', 'w', 'o', 's' );
 811                     tk->fmt.audio.i_bitspersample = 16;
 812                 }
 813                 else if( !strcmp( sub->codecName(), "L8" ) )
 814                 {
 815                     tk->fmt.i_codec = VLC_FOURCC( 'a', 'r', 'a', 'w' );
 816                     tk->fmt.audio.i_bitspersample = 8;
 817                 }
 818                 else if( !strcmp( sub->codecName(), "PCMU" ) )
 819                 {
 820                     tk->fmt.i_codec = VLC_FOURCC( 'u', 'l', 'a', 'w' );
 821                 }
 822                 else if( !strcmp( sub->codecName(), "PCMA" ) )
 823                 {
 824                     tk->fmt.i_codec = VLC_FOURCC( 'a', 'l', 'a', 'w' );
 825                 }
 826                 else if( !strncmp( sub->codecName(), "G726", 4 ) )
 827                 {
 828                     tk->fmt.i_codec = VLC_FOURCC( 'g', '7', '2', '6' );
 829                     tk->fmt.audio.i_rate = 8000;
 830                     tk->fmt.audio.i_channels = 1;
 831                     if( !strcmp( sub->codecName()+5, "40" ) )
 832                         tk->fmt.i_bitrate = 40000;
 833                     else if( !strcmp( sub->codecName()+5, "32" ) )
 834                         tk->fmt.i_bitrate = 32000;
 835                     else if( !strcmp( sub->codecName()+5, "24" ) )
 836                         tk->fmt.i_bitrate = 24000;
 837                     else if( !strcmp( sub->codecName()+5, "16" ) )
 838                         tk->fmt.i_bitrate = 16000;
 839                 }
 840                 else if( !strcmp( sub->codecName(), "AMR" ) )
 841                 {
 842                     tk->fmt.i_codec = VLC_FOURCC( 's', 'a', 'm', 'r' );
 843                 }
 844                 else if( !strcmp( sub->codecName(), "AMR-WB" ) )
 845                 {
 846                     tk->fmt.i_codec = VLC_FOURCC( 's', 'a', 'w', 'b' );
 847                 }
 848                 else if( !strcmp( sub->codecName(), "MP4A-LATM" ) )
 849                 {
 850                     unsigned int i_extra;
 851                     uint8_t      *p_extra;
 852
 853                     tk->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'a' );
 854
 855                     if( ( p_extra = parseStreamMuxConfigStr( sub->fmtp_config(),
 856                                                              i_extra ) ) )
 857                     {
 858                         tk->fmt.i_extra = i_extra;
 859                         tk->fmt.p_extra = malloc( i_extra );
 860                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
 861                         delete[] p_extra;
 862                     }
 863                     /* Because the "faad" decoder does not handle the LATM data length field
 864                        at the start of each returned LATM frame, tell the RTP source to omit it. */
 865                     ((MPEG4LATMAudioRTPSource*)sub->rtpSource())->omitLATMDataLengthField();
 866                 }
 867                 else if( !strcmp( sub->codecName(), "MPEG4-GENERIC" ) )
 868                 {
 869                     unsigned int i_extra;
 870                     uint8_t      *p_extra;
 871
 872                     tk->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'a' );
 873
 874                     if( ( p_extra = parseGeneralConfigStr( sub->fmtp_config(),
 875                                                            i_extra ) ) )
 876                     {
 877                         tk->fmt.i_extra = i_extra;
 878                         tk->fmt.p_extra = malloc( i_extra );
 879                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
 880                         delete[] p_extra;
 881                     }
 882                 }
 883                 else if( !strcmp( sub->codecName(), "X-ASF-PF" ) )
 884                 {
 885                     tk->b_asf = true;
 886                     if( p_sys->p_out_asf == NULL )
 887                         p_sys->p_out_asf = stream_DemuxNew( p_demux, "asf",
 888                                                             p_demux->out );
 889                 }
 890                 else if( !strcmp( sub->codecName(), "X-QT" ) ||
 891                          !strcmp( sub->codecName(), "X-QUICKTIME" ) )
 892                 {
 893                     tk->b_quicktime = true;
 894                 }
 895                 else if( !strcmp( sub->codecName(), "SPEEX" ) )
 896                 {
 897                     tk->fmt.i_codec = VLC_FOURCC( 's', 'p', 'x', 'r' );
 898                     if ( sub->rtpTimestampFrequency() )
 899                         tk->fmt.audio.i_rate = sub->rtpTimestampFrequency();
 900                     else
 901                     {
 902                         msg_Warn( p_demux,"Using 8kHz as default sample rate." );
 903                         tk->fmt.audio.i_rate = 8000;
 904                     }
 905                 }
 906             }
 907             else if( !strcmp( sub->mediumName(), "video" ) )
 908             {
 909                 es_format_Init( &tk->fmt, VIDEO_ES, VLC_FOURCC('u','n','d','f') );
 910                 if( !strcmp( sub->codecName(), "MPV" ) )
 911                 {
 912                     tk->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'v' );
 913                 }
 914                 else if( !strcmp( sub->codecName(), "H263" ) ||
 915                          !strcmp( sub->codecName(), "H263-1998" ) ||
 916                          !strcmp( sub->codecName(), "H263-2000" ) )
 917                 {
 918                     tk->fmt.i_codec = VLC_FOURCC( 'H', '2', '6', '3' );
 919                 }
 920                 else if( !strcmp( sub->codecName(), "H261" ) )
 921                 {
 922                     tk->fmt.i_codec = VLC_FOURCC( 'H', '2', '6', '1' );
 923                 }
 924                 else if( !strcmp( sub->codecName(), "H264" ) )
 925                 {
 926                     unsigned int i_extra = 0;
 927                     uint8_t      *p_extra = NULL;
 928
 929                     tk->fmt.i_codec = VLC_FOURCC( 'h', '2', '6', '4' );
 930                     tk->fmt.b_packetized = false;
 931
 932                     if((p_extra=parseH264ConfigStr( sub->fmtp_spropparametersets(),
 933                                                     i_extra ) ) )
 934                     {
 935                         tk->fmt.i_extra = i_extra;
 936                         tk->fmt.p_extra = malloc( i_extra );
 937                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
 938
 939                         delete[] p_extra;
 940                     }
 941                 }
 942                 else if( !strcmp( sub->codecName(), "JPEG" ) )
 943                 {
 944                     tk->fmt.i_codec = VLC_FOURCC( 'M', 'J', 'P', 'G' );
 945                 }
 946                 else if( !strcmp( sub->codecName(), "MP4V-ES" ) )
 947                 {
 948                     unsigned int i_extra;
 949                     uint8_t      *p_extra;
 950
 951                     tk->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'v' );
 952
 953                     if( ( p_extra = parseGeneralConfigStr( sub->fmtp_config(),
 954                                                            i_extra ) ) )
 955                     {
 956                         tk->fmt.i_extra = i_extra;
 957                         tk->fmt.p_extra = malloc( i_extra );
 958                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
 959                         delete[] p_extra;
 960                     }
 961                 }
 962                 else if( !strcmp( sub->codecName(), "X-QT" ) ||
 963                          !strcmp( sub->codecName(), "X-QUICKTIME" ) ||
 964                          !strcmp( sub->codecName(), "X-QDM" ) ||
 965                          !strcmp( sub->codecName(), "X-SV3V-ES" )  ||
 966                          !strcmp( sub->codecName(), "X-SORENSONVIDEO" ) )
 967                 {
 968                     tk->b_quicktime = true;
 969                 }
 970                 else if( !strcmp( sub->codecName(), "MP2T" ) )
 971                 {
 972                     tk->b_muxed = true;
 973                     tk->p_out_muxed = stream_DemuxNew( p_demux, "ts", p_demux->out );
 974                 }
 975                 else if( !strcmp( sub->codecName(), "MP2P" ) ||
 976                          !strcmp( sub->codecName(), "MP1S" ) )
 977                 {
 978                     tk->b_muxed = true;
 979                     tk->p_out_muxed = stream_DemuxNew( p_demux, "ps",
 980                                                        p_demux->out );
 981                 }
 982                 else if( !strcmp( sub->codecName(), "X-ASF-PF" ) )
 983                 {
 984                     tk->b_asf = true;
 985                     if( p_sys->p_out_asf == NULL )
 986                         p_sys->p_out_asf = stream_DemuxNew( p_demux, "asf",
 987                                                             p_demux->out );;
 988                 }
 989             }
 990
 991             if( !tk->b_quicktime && !tk->b_muxed && !tk->b_asf )
 992             {
 993                 tk->p_es = es_out_Add( p_demux->out, &tk->fmt );
 994             }
 995
 996             if( sub->rtcpInstance() != NULL )
 997             {
 998                 sub->rtcpInstance()->setByeHandler( StreamClose, tk );
 999             }
1000
1001             if( tk->p_es || tk->b_quicktime || tk->b_muxed || tk->b_asf )
1002             {
1003                 /* Append */
1004                 p_sys->track = (live_track_t**)realloc( p_sys->track, sizeof( live_track_t ) * ( p_sys->i_track + 1 ) );
1005                 p_sys->track[p_sys->i_track++] = tk;
1006             }
1007             else
1008             {
1009                 /* BUG ??? */
1010                 msg_Err( p_demux, "unusable RTSP track. this should not happen" );
1011                 es_format_Clean( &tk->fmt );
1012                 free( tk );
1013             }
1014         }
1015     }
1016     delete iter;
1017     if( p_sys->i_track <= 0 ) i_return = VLC_EGENERIC;
1018
1019     /* Retrieve the starttime if possible */
1020     p_sys->i_npt_start = p_sys->ms->playStartTime();
1021
1022     /* Retrieve the duration if possible */
1023     p_sys->i_npt_length = p_sys->ms->playEndTime();
1024
1025     msg_Dbg( p_demux, "setup start: %f stop:%f", p_sys->i_npt_start, p_sys->i_npt_length );
1026     return i_return;
1027 }
1028
1029 /*****************************************************************************
1030  * Play: starts the actual playback of the stream
1031  *****************************************************************************/
1032 static int Play( demux_t *p_demux )
1033 {
1034     demux_sys_t *p_sys = p_demux->p_sys;
1035
1036     if( p_sys->rtsp )
1037     {
1038         /* The PLAY */
1039         if( !p_sys->rtsp->playMediaSession( *p_sys->ms, p_sys->i_npt_start, -1, 1 ) )
1040         {
1041             msg_Err( p_demux, "RTSP PLAY failed %s", p_sys->env->getResultMsg() );
1042             return VLC_EGENERIC;
1043         }
1044
1045         /* Retrieve the timeout value and set up a timeout prevention thread */
1046         p_sys->i_timeout = p_sys->rtsp->sessionTimeoutParameter();
1047         if( p_sys->i_timeout <= 0 )
1048             p_sys->i_timeout = 60; /* default value from RFC2326 */
1049
1050         /* start timeout-thread only if GET_PARAMETER is supported by the server */
1051         if( !p_sys->p_timeout && p_sys->b_get_param )
1052         {
1053             msg_Dbg( p_demux, "We have a timeout of %d seconds",  p_sys->i_timeout );
1054             p_sys->p_timeout = (timeout_thread_t *)malloc( sizeof(timeout_thread_t) );
1055             if( p_sys->p_timeout )
1056             {
1057                 memset( p_sys->p_timeout, 0, sizeof(timeout_thread_t) );
1058                 p_sys->p_timeout->p_sys = p_demux->p_sys; /* lol, object recursion :D */
1059                 if( vlc_clone( &p_sys->p_timeout->handle,  TimeoutPrevention,
1060                                p_sys->p_timeout, VLC_THREAD_PRIORITY_LOW ) )
1061                 {
1062                     msg_Err( p_demux, "cannot spawn liveMedia timeout thread" );
1063                     free( p_sys->p_timeout );
1064                     p_sys->p_timeout = NULL;
1065                 }
1066                 else
1067                     msg_Dbg( p_demux, "spawned timeout thread" );
1068             }
1069             else
1070                 msg_Err( p_demux, "cannot spawn liveMedia timeout thread" );
1071         }
1072     }
1073     p_sys->i_pcr = 0;
1074
1075     /* Retrieve the starttime if possible */
1076     p_sys->i_npt_start = p_sys->ms->playStartTime();
1077     p_sys->i_npt_length = p_sys->ms->playEndTime();
1078
1079     msg_Dbg( p_demux, "play start: %f stop:%f", p_sys->i_npt_start, p_sys->i_npt_length );
1080     return VLC_SUCCESS;
1081 }
1082
1083
1084 /*****************************************************************************
1085  * Demux:
1086  *****************************************************************************/
1087 static int Demux( demux_t *p_demux )
1088 {
1089     demux_sys_t    *p_sys = p_demux->p_sys;
1090     TaskToken      task;
1091
1092     bool            b_send_pcr = true;
1093     int64_t         i_pcr = 0;
1094     int             i;
1095
1096     /* Check if we need to send the server a Keep-A-Live signal */
1097     if( p_sys->b_timeout_call && p_sys->rtsp && p_sys->ms )
1098     {
1099         char *psz_bye = NULL;
1100         p_sys->rtsp->getMediaSessionParameter( *p_sys->ms, NULL, psz_bye );
1101         p_sys->b_timeout_call = false;
1102     }
1103
1104     for( i = 0; i < p_sys->i_track; i++ )
1105     {
1106         live_track_t *tk = p_sys->track[i];
1107
1108         if( tk->b_asf || tk->b_muxed )
1109             b_send_pcr = false;
1110 #if 0
1111         if( i_pcr == 0 )
1112         {
1113             i_pcr = tk->i_pts;
1114         }
1115         else if( tk->i_pts != 0 && i_pcr > tk->i_pts )
1116         {
1117             i_pcr = tk->i_pts ;
1118         }
1119 #endif
1120     }
1121     if( p_sys->i_pcr > 0 )
1122     {
1123         if( b_send_pcr )
1124             es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_sys->i_pcr );
1125     }
1126
1127     /* First warn we want to read data */
1128     p_sys->event = 0;
1129     for( i = 0; i < p_sys->i_track; i++ )
1130     {
1131         live_track_t *tk = p_sys->track[i];
1132
1133         if( tk->waiting == 0 )
1134         {
1135             tk->waiting = 1;
1136             tk->sub->readSource()->getNextFrame( tk->p_buffer, tk->i_buffer,
1137                                           StreamRead, tk, StreamClose, tk );
1138         }
1139     }
1140     /* Create a task that will be called if we wait more than 300ms */
1141     task = p_sys->scheduler->scheduleDelayedTask( 300000, TaskInterrupt, p_demux );
1142
1143     /* Do the read */
1144     p_sys->scheduler->doEventLoop( &p_sys->event );
1145
1146     /* remove the task */
1147     p_sys->scheduler->unscheduleDelayedTask( task );
1148
1149     /* Check for gap in pts value */
1150     for( i = 0; i < p_sys->i_track; i++ )
1151     {
1152         live_track_t *tk = p_sys->track[i];
1153
1154         if( !tk->b_muxed && !tk->b_rtcp_sync &&
1155             tk->sub->rtpSource() && tk->sub->rtpSource()->hasBeenSynchronizedUsingRTCP() )
1156         {
1157             msg_Dbg( p_demux, "tk->rtpSource->hasBeenSynchronizedUsingRTCP()" );
1158
1159             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
1160             tk->b_rtcp_sync = true;
1161             /* reset PCR */
1162             tk->i_pts = 0;
1163             tk->i_npt = 0.;
1164             p_sys->i_pcr = 0;
1165             p_sys->i_npt = 0.;
1166             i_pcr = 0;
1167         }
1168     }
1169
1170     if( p_sys->b_multicast && p_sys->b_no_data &&
1171         ( p_sys->i_no_data_ti > 120 ) )
1172     {
1173         /* FIXME Make this configurable
1174         msg_Err( p_demux, "no multicast data received in 36s, aborting" );
1175         return 0;
1176         */
1177     }
1178     else if( !p_sys->b_multicast && p_sys->b_no_data &&
1179              ( p_sys->i_no_data_ti > 34 ) )
1180     {
1181         bool b_rtsp_tcp = var_GetBool( p_demux, "rtsp-tcp" ) ||
1182                                 var_GetBool( p_demux, "rtsp-http" );
1183
1184         if( !b_rtsp_tcp && p_sys->rtsp && p_sys->ms )
1185         {
1186             msg_Warn( p_demux, "no data received in 10s. Switching to TCP" );
1187             if( RollOverTcp( p_demux ) )
1188             {
1189                 msg_Err( p_demux, "TCP rollover failed, aborting" );
1190                 return 0;
1191             }
1192             return 1;
1193         }
1194         msg_Err( p_demux, "no data received in 10s, aborting" );
1195         return 0;
1196     }
1197     else if( !p_sys->b_multicast && p_sys->i_no_data_ti > 34 )
1198     {
1199         /* EOF ? */
1200         msg_Warn( p_demux, "no data received in 10s, eof ?" );
1201         return 0;
1202     }
1203     return p_demux->b_error ? 0 : 1;
1204 }
1205
1206 /*****************************************************************************
1207  * Control:
1208  *****************************************************************************/
1209 static int Control( demux_t *p_demux, int i_query, va_list args )
1210 {
1211     demux_sys_t *p_sys = p_demux->p_sys;
1212     int64_t *pi64, i64;
1213     double  *pf, f;
1214     bool *pb, *pb2, b_bool;
1215     int *pi_int;
1216
1217     switch( i_query )
1218     {
1219         case DEMUX_GET_TIME:
1220             pi64 = (int64_t*)va_arg( args, int64_t * );
1221             if( p_sys->i_npt > 0 )
1222             {
1223                 *pi64 = (int64_t)(p_sys->i_npt * 1000000.);
1224                 return VLC_SUCCESS;
1225             }
1226             return VLC_EGENERIC;
1227
1228         case DEMUX_GET_LENGTH:
1229             pi64 = (int64_t*)va_arg( args, int64_t * );
1230             if( p_sys->i_npt_length > 0 )
1231             {
1232                 *pi64 = (int64_t)((double)p_sys->i_npt_length * 1000000.0);
1233                 return VLC_SUCCESS;
1234             }
1235             return VLC_EGENERIC;
1236
1237         case DEMUX_GET_POSITION:
1238             pf = (double*)va_arg( args, double* );
1239             if( (p_sys->i_npt_length > 0) && (p_sys->i_npt > 0) )
1240             {
1241                 *pf = ( (double)p_sys->i_npt / (double)p_sys->i_npt_length );
1242                 return VLC_SUCCESS;
1243             }
1244             return VLC_EGENERIC;
1245
1246         case DEMUX_SET_POSITION:
1247         case DEMUX_SET_TIME:
1248             if( p_sys->rtsp && (p_sys->i_npt_length > 0) )
1249             {
1250                 int i;
1251                 float time;
1252
1253                 if( (i_query == DEMUX_SET_TIME) && (p_sys->i_npt > 0) )
1254                 {
1255                     i64 = (int64_t)va_arg( args, int64_t );
1256                     time = (float)((double)i64 / (double)1000000.0); /* in second */
1257                 }
1258                 else if( i_query == DEMUX_SET_TIME )
1259                     return VLC_EGENERIC;
1260                 else
1261                 {
1262                     f = (double)va_arg( args, double );
1263                     time = f * (double)p_sys->i_npt_length;   /* in second */
1264                 }
1265
1266                 if( !p_sys->rtsp->playMediaSession( *p_sys->ms, time, -1, 1 ) )
1267                 {
1268                     msg_Err( p_demux, "PLAY failed %s",
1269                         p_sys->env->getResultMsg() );
1270                     return VLC_EGENERIC;
1271                 }
1272                 p_sys->i_pcr = 0;
1273
1274                 /* Retrieve RTP-Info values */
1275                 for( i = 0; i < p_sys->i_track; i++ )
1276                 {
1277                     p_sys->track[i]->b_rtcp_sync = false;
1278                     p_sys->track[i]->i_pts = 0;
1279                 }
1280
1281                 /* Retrieve the starttime if possible */
1282                 p_sys->i_npt = p_sys->i_npt_start = p_sys->ms->playStartTime();
1283
1284                 /* Retrieve the duration if possible */
1285                 p_sys->i_npt_length = p_sys->ms->playEndTime();
1286
1287                 msg_Dbg( p_demux, "seek start: %f stop:%f", p_sys->i_npt_start, p_sys->i_npt_length );
1288                 return VLC_SUCCESS;
1289             }
1290             return VLC_EGENERIC;
1291
1292         /* Special for access_demux */
1293         case DEMUX_CAN_PAUSE:
1294         case DEMUX_CAN_SEEK:
1295             pb = (bool*)va_arg( args, bool * );
1296             if( p_sys->rtsp && p_sys->i_npt_length > 0 )
1297                 /* Not always true, but will be handled in SET_PAUSE_STATE */
1298                 *pb = true;
1299             else
1300                 *pb = false;
1301             return VLC_SUCCESS;
1302
1303         case DEMUX_CAN_CONTROL_PACE:
1304             pb = (bool*)va_arg( args, bool * );
1305
1306 #if 1       /* Disable for now until we have a clock synchro algo
1307              * which works with something else than MPEG over UDP */
1308             *pb = false;
1309 #else
1310             *pb = true;
1311 #endif
1312             return VLC_SUCCESS;
1313
1314         case DEMUX_CAN_CONTROL_RATE:
1315             pb = (bool*)va_arg( args, bool * );
1316             pb2 = (bool*)va_arg( args, bool * );
1317
1318             *pb = (p_sys->rtsp != NULL) &&
1319                     (p_sys->i_npt_length > 0) &&
1320                     !var_GetBool( p_demux, "rtsp-kasenna" );
1321             *pb2 = false;
1322             return VLC_SUCCESS;
1323
1324         case DEMUX_SET_RATE:
1325         {
1326             double f_scale, f_old_scale;
1327
1328             if( !p_sys->rtsp || (p_sys->i_npt_length <= 0) ||
1329                 var_GetBool( p_demux, "rtsp-kasenna" ) )
1330                 return VLC_EGENERIC;
1331
1332             /* According to RFC 2326 p56 chapter 12.35 a RTSP server that
1333              * supports Scale should:
1334              *
1335              * "The server should try to approximate the viewing rate, but may
1336              *  restrict the range of scale values that it supports. The response
1337              *  MUST contain the actual scale value chosen by the server."
1338              *
1339              * Scale = 1 indicates normal play
1340              * Scale > 1 indicates fast forward
1341              * Scale < 1 && Scale > 0 indicates slow motion
1342              * Scale < 0 value indicates rewind
1343              */
1344
1345             pi_int = (int*)va_arg( args, int * );
1346             f_scale = (double)INPUT_RATE_DEFAULT / (*pi_int);
1347             f_old_scale = p_sys->ms->scale();
1348
1349             /* Passing -1 for the start and end time will mean liveMedia won't
1350              * create a Range: section for the RTSP message. The server should
1351              * pick up from the current position */
1352             if( !p_sys->rtsp->playMediaSession( *p_sys->ms, -1, -1, f_scale ) )
1353             {
1354                 msg_Err( p_demux, "PLAY with Scale %0.2f failed %s", f_scale,
1355                         p_sys->env->getResultMsg() );
1356                 return VLC_EGENERIC;
1357             }
1358
1359             if( p_sys->ms->scale() == f_old_scale )
1360             {
1361                 msg_Err( p_demux, "no scale change using old Scale %0.2f",
1362                           p_sys->ms->scale() );
1363                 return VLC_EGENERIC;
1364             }
1365
1366             /* ReSync the stream */
1367             p_sys->i_npt_start = 0;
1368             p_sys->i_pcr = 0;
1369             p_sys->i_npt = 0.0;
1370
1371             *pi_int = (int)( INPUT_RATE_DEFAULT / p_sys->ms->scale() );
1372             msg_Dbg( p_demux, "PLAY with new Scale %0.2f (%d)", p_sys->ms->scale(), (*pi_int) );
1373             return VLC_SUCCESS;
1374         }
1375
1376         case DEMUX_SET_PAUSE_STATE:
1377         {
1378             int i;
1379
1380             b_bool = (bool)va_arg( args, int );
1381             if( p_sys->rtsp == NULL )
1382                 return VLC_EGENERIC;
1383
1384             /* FIXME */
1385             if( ( b_bool && !p_sys->rtsp->pauseMediaSession( *p_sys->ms ) ) ||
1386                     ( !b_bool && !p_sys->rtsp->playMediaSession( *p_sys->ms,
1387                        -1 ) ) )
1388             {
1389                     msg_Err( p_demux, "PLAY or PAUSE failed %s", p_sys->env->getResultMsg() );
1390                     return VLC_EGENERIC;
1391             }
1392
1393             /* When we Pause, we'll need the TimeoutPrevention thread to
1394              * handle sending the "Keep Alive" message to the server.
1395              * Unfortunately Live555 isn't thread safe and so can't
1396              * do this normally while the main Demux thread is handling
1397              * a live stream. We end up with the Timeout thread blocking
1398              * waiting for a response from the server. So when we PAUSE
1399              * we set a flag that the TimeoutPrevention function will check
1400              * and if it's set, it will trigger the GET_PARAMETER message */
1401             if( b_bool && p_sys->p_timeout != NULL )
1402                 p_sys->p_timeout->b_handle_keep_alive = true;
1403             else if( !b_bool && p_sys->p_timeout != NULL )
1404                 p_sys->p_timeout->b_handle_keep_alive = false;
1405
1406             for( i = 0; !b_bool && i < p_sys->i_track; i++ )
1407             {
1408                 live_track_t *tk = p_sys->track[i];
1409                 tk->b_rtcp_sync = false;
1410                 tk->i_pts = 0;
1411                 p_sys->i_pcr = 0;
1412                 es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
1413             }
1414
1415             /* Retrieve the starttime if possible */
1416             p_sys->i_npt = p_sys->i_npt_start = p_sys->ms->playStartTime();
1417
1418             /* Retrieve the duration if possible */
1419             p_sys->i_npt_length = p_sys->ms->playEndTime();
1420
1421             msg_Dbg( p_demux, "pause start: %f stop:%f", p_sys->i_npt_start, p_sys->i_npt_length );
1422             return VLC_SUCCESS;
1423         }
1424         case DEMUX_GET_TITLE_INFO:
1425         case DEMUX_SET_TITLE:
1426         case DEMUX_SET_SEEKPOINT:
1427             return VLC_EGENERIC;
1428
1429         case DEMUX_GET_PTS_DELAY:
1430             pi64 = (int64_t*)va_arg( args, int64_t * );
1431             *pi64 = (int64_t)var_GetInteger( p_demux, "rtsp-caching" ) * 1000;
1432             return VLC_SUCCESS;
1433
1434         default:
1435             return VLC_EGENERIC;
1436     }
1437 }
1438
1439 /*****************************************************************************
1440  * RollOverTcp: reopen the rtsp into TCP mode
1441  * XXX: ugly, a lot of code are duplicated from Open()
1442  * This should REALLY be fixed
1443  *****************************************************************************/
1444 static int RollOverTcp( demux_t *p_demux )
1445 {
1446     demux_sys_t *p_sys = p_demux->p_sys;
1447     int i, i_return;
1448
1449     var_SetBool( p_demux, "rtsp-tcp", true );
1450
1451     /* We close the old RTSP session */
1452     for( i = 0; i < p_sys->i_track; i++ )
1453     {
1454         live_track_t *tk = p_sys->track[i];
1455
1456         if( tk->b_muxed ) stream_Delete( tk->p_out_muxed );
1457         if( tk->p_es ) es_out_Del( p_demux->out, tk->p_es );
1458         es_format_Clean( &tk->fmt );
1459         free( tk->p_buffer );
1460         free( tk );
1461     }
1462     if( p_sys->i_track ) free( p_sys->track );
1463     if( p_sys->p_out_asf ) stream_Delete( p_sys->p_out_asf );
1464
1465     p_sys->rtsp->teardownMediaSession( *p_sys->ms );
1466     Medium::close( p_sys->ms );
1467     RTSPClient::close( p_sys->rtsp );
1468
1469     p_sys->ms = NULL;
1470     p_sys->rtsp = NULL;
1471     p_sys->track = NULL;
1472     p_sys->i_track = 0;
1473
1474     /* Reopen rtsp client */
1475     if( ( i_return = Connect( p_demux ) ) != VLC_SUCCESS )
1476     {
1477         msg_Err( p_demux, "Failed to connect with rtsp://%s",
1478                  p_sys->psz_path );
1479         goto error;
1480     }
1481
1482     if( p_sys->p_sdp == NULL )
1483     {
1484         msg_Err( p_demux, "Failed to retrieve the RTSP Session Description" );
1485         goto error;
1486     }
1487
1488     if( ( i_return = SessionsSetup( p_demux ) ) != VLC_SUCCESS )
1489     {
1490         msg_Err( p_demux, "Nothing to play for rtsp://%s", p_sys->psz_path );
1491         goto error;
1492     }
1493
1494     if( ( i_return = Play( p_demux ) ) != VLC_SUCCESS )
1495         goto error;
1496
1497     return VLC_SUCCESS;
1498
1499 error:
1500     return VLC_EGENERIC;
1501 }
1502
1503
1504 /*****************************************************************************
1505  *
1506  *****************************************************************************/
1507 static void StreamRead( void *p_private, unsigned int i_size,
1508                         unsigned int i_truncated_bytes, struct timeval pts,
1509                         unsigned int duration )
1510 {
1511     live_track_t   *tk = (live_track_t*)p_private;
1512     demux_t        *p_demux = tk->p_demux;
1513     demux_sys_t    *p_sys = p_demux->p_sys;
1514     block_t        *p_block;
1515
1516     //msg_Dbg( p_demux, "pts: %d", pts.tv_sec );
1517
1518     int64_t i_pts = (int64_t)pts.tv_sec * INT64_C(1000000) +
1519         (int64_t)pts.tv_usec;
1520
1521     /* XXX Beurk beurk beurk Avoid having negative value XXX */
1522     i_pts &= INT64_C(0x00ffffffffffffff);
1523
1524     /* Retrieve NPT for this pts */
1525     tk->i_npt = tk->sub->getNormalPlayTime(pts);
1526
1527     if( tk->b_quicktime && tk->p_es == NULL )
1528     {
1529         QuickTimeGenericRTPSource *qtRTPSource =
1530             (QuickTimeGenericRTPSource*)tk->sub->rtpSource();
1531         QuickTimeGenericRTPSource::QTState &qtState = qtRTPSource->qtState;
1532         uint8_t *sdAtom = (uint8_t*)&qtState.sdAtom[4];
1533
1534         if( tk->fmt.i_cat == VIDEO_ES ) {
1535             if( qtState.sdAtomSize < 16 + 32 )
1536             {
1537                 /* invalid */
1538                 p_sys->event = 0xff;
1539                 tk->waiting = 0;
1540                 return;
1541             }
1542             tk->fmt.i_codec = VLC_FOURCC(sdAtom[0],sdAtom[1],sdAtom[2],sdAtom[3]);
1543             tk->fmt.video.i_width  = (sdAtom[28] << 8) | sdAtom[29];
1544             tk->fmt.video.i_height = (sdAtom[30] << 8) | sdAtom[31];
1545
1546             if( tk->fmt.i_codec == VLC_FOURCC('a', 'v', 'c', '1') )
1547             {
1548                 uint8_t *pos = (uint8_t*)qtRTPSource->qtState.sdAtom + 86;
1549                 uint8_t *endpos = (uint8_t*)qtRTPSource->qtState.sdAtom
1550                                   + qtRTPSource->qtState.sdAtomSize;
1551                 while (pos+8 < endpos) {
1552                     unsigned int atomLength = pos[0]<<24 | pos[1]<<16 | pos[2]<<8 | pos[3];
1553                     if( atomLength == 0 || atomLength > (unsigned int)(endpos-pos)) break;
1554                     if( memcmp(pos+4, "avcC", 4) == 0 &&
1555                         atomLength > 8 &&
1556                         atomLength <= INT_MAX )
1557                     {
1558                         tk->fmt.i_extra = atomLength-8;
1559                         tk->fmt.p_extra = malloc( tk->fmt.i_extra );
1560                         memcpy(tk->fmt.p_extra, pos+8, atomLength-8);
1561                         break;
1562                     }
1563                     pos += atomLength;
1564                 }
1565             }
1566             else
1567             {
1568                 tk->fmt.i_extra        = qtState.sdAtomSize - 16;
1569                 tk->fmt.p_extra        = malloc( tk->fmt.i_extra );
1570                 memcpy( tk->fmt.p_extra, &sdAtom[12], tk->fmt.i_extra );
1571             }
1572         }
1573         else {
1574             if( qtState.sdAtomSize < 4 )
1575             {
1576                 /* invalid */
1577                 p_sys->event = 0xff;
1578                 tk->waiting = 0;
1579                 return;
1580             }
1581             tk->fmt.i_codec = VLC_FOURCC(sdAtom[0],sdAtom[1],sdAtom[2],sdAtom[3]);
1582         }
1583         tk->p_es = es_out_Add( p_demux->out, &tk->fmt );
1584     }
1585
1586 #if 0
1587     fprintf( stderr, "StreamRead size=%d pts=%lld\n",
1588              i_size,
1589              pts.tv_sec * 1000000LL + pts.tv_usec );
1590 #endif
1591
1592     /* grow buffer if it looks like buffer is too small, but don't eat
1593      * up all the memory on strange streams */
1594     if( i_truncated_bytes > 0 && tk->i_buffer < 2000000 )
1595     {
1596         void *p_tmp;
1597         msg_Dbg( p_demux, "lost %d bytes", i_truncated_bytes );
1598         msg_Dbg( p_demux, "increasing buffer size to %d", tk->i_buffer * 2 );
1599         tk->i_buffer *= 2;
1600         p_tmp = realloc( tk->p_buffer, tk->i_buffer );
1601         if( p_tmp == NULL )
1602         {
1603             msg_Warn( p_demux, "realloc failed" );
1604         }
1605         else
1606         {
1607             tk->p_buffer = (uint8_t*)p_tmp;
1608         }
1609     }
1610     if( i_size > tk->i_buffer )
1611     {
1612         msg_Warn( p_demux, "buffer overflow" );
1613     }
1614     /* FIXME could i_size be > buffer size ? */
1615     if( tk->fmt.i_codec == VLC_FOURCC('s','a','m','r') ||
1616         tk->fmt.i_codec == VLC_FOURCC('s','a','w','b') )
1617     {
1618         AMRAudioSource *amrSource = (AMRAudioSource*)tk->sub->readSource();
1619
1620         p_block = block_New( p_demux, i_size + 1 );
1621         p_block->p_buffer[0] = amrSource->lastFrameHeader();
1622         memcpy( p_block->p_buffer + 1, tk->p_buffer, i_size );
1623     }
1624     else if( tk->fmt.i_codec == VLC_FOURCC('H','2','6','1') )
1625     {
1626         H261VideoRTPSource *h261Source = (H261VideoRTPSource*)tk->sub->rtpSource();
1627         uint32_t header = h261Source->lastSpecialHeader();
1628         p_block = block_New( p_demux, i_size + 4 );
1629         memcpy( p_block->p_buffer, &header, 4 );
1630         memcpy( p_block->p_buffer + 4, tk->p_buffer, i_size );
1631
1632         if( tk->sub->rtpSource()->curPacketMarkerBit() )
1633             p_block->i_flags |= BLOCK_FLAG_END_OF_FRAME;
1634     }
1635     else if( tk->fmt.i_codec == VLC_FOURCC('h','2','6','4') )
1636     {
1637         if( (tk->p_buffer[0] & 0x1f) >= 24 )
1638             msg_Warn( p_demux, "unsupported NAL type for H264" );
1639
1640         /* Normal NAL type */
1641         p_block = block_New( p_demux, i_size + 4 );
1642         p_block->p_buffer[0] = 0x00;
1643         p_block->p_buffer[1] = 0x00;
1644         p_block->p_buffer[2] = 0x00;
1645         p_block->p_buffer[3] = 0x01;
1646         memcpy( &p_block->p_buffer[4], tk->p_buffer, i_size );
1647     }
1648     else if( tk->b_asf )
1649     {
1650         int i_copy = __MIN( p_sys->asfh.i_min_data_packet_size, (int)i_size );
1651         p_block = block_New( p_demux, p_sys->asfh.i_min_data_packet_size );
1652
1653         memcpy( p_block->p_buffer, tk->p_buffer, i_copy );
1654     }
1655     else
1656     {
1657         p_block = block_New( p_demux, i_size );
1658         memcpy( p_block->p_buffer, tk->p_buffer, i_size );
1659     }
1660
1661     if( p_sys->i_pcr < i_pts )
1662     {
1663         p_sys->i_pcr = i_pts;
1664     }
1665
1666     if( (i_pts != tk->i_pts) && (!tk->b_muxed) )
1667     {
1668         p_block->i_pts = i_pts;
1669     }
1670
1671     /* Update our global npt value */
1672     if( tk->i_npt > 0 && tk->i_npt > p_sys->i_npt && tk->i_npt < p_sys->i_npt_length)
1673         p_sys->i_npt = tk->i_npt;
1674
1675     if( !tk->b_muxed )
1676     {
1677         /*FIXME: for h264 you should check that packetization-mode=1 in sdp-file */
1678         p_block->i_dts = ( tk->fmt.i_codec == VLC_FOURCC( 'm', 'p', 'g', 'v' ) ) ? 0 : i_pts;
1679     }
1680
1681     if( tk->b_muxed )
1682     {
1683         stream_DemuxSend( tk->p_out_muxed, p_block );
1684     }
1685     else if( tk->b_asf )
1686     {
1687         stream_DemuxSend( p_sys->p_out_asf, p_block );
1688     }
1689     else
1690     {
1691         es_out_Send( p_demux->out, tk->p_es, p_block );
1692     }
1693
1694     /* warn that's ok */
1695     p_sys->event = 0xff;
1696
1697     /* we have read data */
1698     tk->waiting = 0;
1699     p_demux->p_sys->b_no_data = false;
1700     p_demux->p_sys->i_no_data_ti = 0;
1701
1702     if( i_pts > 0 && !tk->b_muxed )
1703     {
1704         tk->i_pts = i_pts;
1705     }
1706 }
1707
1708 /*****************************************************************************
1709  *
1710  *****************************************************************************/
1711 static void StreamClose( void *p_private )
1712 {
1713     live_track_t   *tk = (live_track_t*)p_private;
1714     demux_t        *p_demux = tk->p_demux;
1715     demux_sys_t    *p_sys = p_demux->p_sys;
1716
1717     msg_Dbg( p_demux, "StreamClose" );
1718
1719     p_sys->event = 0xff;
1720     p_demux->b_error = true;
1721 }
1722
1723
1724 /*****************************************************************************
1725  *
1726  *****************************************************************************/
1727 static void TaskInterrupt( void *p_private )
1728 {
1729     demux_t *p_demux = (demux_t*)p_private;
1730
1731     p_demux->p_sys->i_no_data_ti++;
1732
1733     /* Avoid lock */
1734     p_demux->p_sys->event = 0xff;
1735 }
1736
1737 /*****************************************************************************
1738  *
1739  *****************************************************************************/
1740 static void* TimeoutPrevention( void *p_data )
1741 {
1742     timeout_thread_t *p_timeout = (timeout_thread_t *)p_data;
1743
1744     for( ;; )
1745     {
1746         /* Voodoo (= no) thread safety here! *Ahem* */
1747         if( p_timeout->b_handle_keep_alive )
1748         {
1749             char *psz_bye = NULL;
1750             int canc = vlc_savecancel ();
1751
1752             p_timeout->p_sys->rtsp->getMediaSessionParameter( *p_timeout->p_sys->ms, NULL, psz_bye );
1753             vlc_restorecancel (canc);
1754         }
1755         p_timeout->p_sys->b_timeout_call = !p_timeout->b_handle_keep_alive;
1756
1757         msleep (((int64_t)p_timeout->p_sys->i_timeout - 2) * CLOCK_FREQ);
1758     }
1759     assert(0); /* dead code */
1760 }
1761
1762 /*****************************************************************************
1763  *
1764  *****************************************************************************/
1765 static int b64_decode( char *dest, char *src );
1766
1767 static int ParseASF( demux_t *p_demux )
1768 {
1769     demux_sys_t    *p_sys = p_demux->p_sys;
1770
1771     const char *psz_marker = "a=pgmpu:data:application/vnd.ms.wms-hdr.asfv1;base64,";
1772     char *psz_asf = strcasestr( p_sys->p_sdp, psz_marker );
1773     char *psz_end;
1774     block_t *p_header;
1775
1776     /* Parse the asf header */
1777     if( psz_asf == NULL )
1778         return VLC_EGENERIC;
1779
1780     psz_asf += strlen( psz_marker );
1781     psz_asf = strdup( psz_asf );    /* Duplicate it */
1782     psz_end = strchr( psz_asf, '\n' );
1783
1784     while( psz_end > psz_asf && ( *psz_end == '\n' || *psz_end == '\r' ) )
1785         *psz_end-- = '\0';
1786
1787     if( psz_asf >= psz_end )
1788     {
1789         free( psz_asf );
1790         return VLC_EGENERIC;
1791     }
1792
1793     /* Always smaller */
1794     p_header = block_New( p_demux, psz_end - psz_asf );
1795     p_header->i_buffer = b64_decode( (char*)p_header->p_buffer, psz_asf );
1796     //msg_Dbg( p_demux, "Size=%d Hdrb64=%s", p_header->i_buffer, psz_asf );
1797     if( p_header->i_buffer <= 0 )
1798     {
1799         free( psz_asf );
1800         return VLC_EGENERIC;
1801     }
1802
1803     /* Parse it to get packet size */
1804     asf_HeaderParse( &p_sys->asfh, p_header->p_buffer, p_header->i_buffer );
1805
1806     /* Send it to demuxer */
1807     stream_DemuxSend( p_sys->p_out_asf, p_header );
1808
1809     free( psz_asf );
1810     return VLC_SUCCESS;
1811 }
1812
1813
1814 static unsigned char* parseH264ConfigStr( char const* configStr,
1815                                           unsigned int& configSize )
1816 {
1817     char *dup, *psz;
1818     int i, i_records = 1;
1819
1820     if( configSize )
1821     configSize = 0;
1822
1823     if( configStr == NULL || *configStr == '\0' )
1824         return NULL;
1825
1826     psz = dup = strdup( configStr );
1827
1828     /* Count the number of comma's */
1829     for( psz = dup; *psz != '\0'; ++psz )
1830     {
1831         if( *psz == ',')
1832         {
1833             ++i_records;
1834             *psz = '\0';
1835         }
1836     }
1837
1838     unsigned char *cfg = new unsigned char[5 * strlen(dup)];
1839     psz = dup;
1840     for( i = 0; i < i_records; i++ )
1841     {
1842         cfg[configSize++] = 0x00;
1843         cfg[configSize++] = 0x00;
1844         cfg[configSize++] = 0x00;
1845         cfg[configSize++] = 0x01;
1846
1847         configSize += b64_decode( (char*)&cfg[configSize], psz );
1848         psz += strlen(psz)+1;
1849     }
1850
1851     free( dup );
1852     return cfg;
1853 }
1854
1855 /*char b64[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";*/
1856 static int b64_decode( char *dest, char *src )
1857 {
1858     const char *dest_start = dest;
1859     int  i_level;
1860     int  last = 0;
1861     int  b64[256] = {
1862         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* 00-0F */
1863         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* 10-1F */
1864         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,62,-1,-1,-1,63,  /* 20-2F */
1865         52,53,54,55,56,57,58,59,60,61,-1,-1,-1,-1,-1,-1,  /* 30-3F */
1866         -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10,11,12,13,14,  /* 40-4F */
1867         15,16,17,18,19,20,21,22,23,24,25,-1,-1,-1,-1,-1,  /* 50-5F */
1868         -1,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,  /* 60-6F */
1869         41,42,43,44,45,46,47,48,49,50,51,-1,-1,-1,-1,-1,  /* 70-7F */
1870         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* 80-8F */
1871         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* 90-9F */
1872         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* A0-AF */
1873         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* B0-BF */
1874         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* C0-CF */
1875         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* D0-DF */
1876         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* E0-EF */
1877         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1   /* F0-FF */
1878         };
1879
1880     for( i_level = 0; *src != '\0'; src++ )
1881     {
1882         int  c;
1883
1884         c = b64[(unsigned int)*src];
1885         if( c == -1 )
1886         {
1887             continue;
1888         }
1889
1890         switch( i_level )
1891         {
1892             case 0:
1893                 i_level++;
1894                 break;
1895             case 1:
1896                 *dest++ = ( last << 2 ) | ( ( c >> 4)&0x03 );
1897                 i_level++;
1898                 break;
1899             case 2:
1900                 *dest++ = ( ( last << 4 )&0xf0 ) | ( ( c >> 2 )&0x0f );
1901                 i_level++;
1902                 break;
1903             case 3:
1904                 *dest++ = ( ( last &0x03 ) << 6 ) | c;
1905                 i_level = 0;
1906         }
1907         last = c;
1908     }
1909
1910     *dest = '\0';
1911
1912     return dest - dest_start;
1913 }