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

   1 /*****************************************************************************
   2  * live555.cpp : LIVE555 Streaming Media support.
   3  *****************************************************************************
   4  * Copyright (C) 2003-2007 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Laurent Aimar <fenrir@via.ecp.fr>
   8  *          Derk-Jan Hartman <hartman at videolan. org>
   9  *          Derk-Jan Hartman <djhartman at m2x .dot. nl> for M2X
  10  *
  11  * This program is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License as published by
  13  * the Free Software Foundation; either version 2 of the License, or
  14  * (at your option) any later version.
  15  *
  16  * This program is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  * GNU General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License along
  22  * with this program; if not, write to the Free Software Foundation, Inc.,
  23  * 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  24  *****************************************************************************/
  25
  26 /*****************************************************************************
  27  * Preamble
  28  *****************************************************************************/
  29
  30 /* For inttypes.h
  31  * Note: config.h may include inttypes.h, so make sure we define this option
  32  * early enough. */
  33 #define __STDC_CONSTANT_MACROS 1
  34
  35 #ifdef HAVE_CONFIG_H
  36 # include "config.h"
  37 #endif
  38
  39 #include <inttypes.h>
  40
  41 #include <vlc_common.h>
  42 #include <vlc_plugin.h>
  43 #include <vlc_input.h>
  44 #include <vlc_demux.h>
  45 #include <vlc_dialog.h>
  46 #include <vlc_network.h>
  47 #include <vlc_url.h>
  48 #include <vlc_strings.h>
  49
  50 #include <iostream>
  51 #include <limits.h>
  52 #include <assert.h>
  53
  54
  55 #if defined( WIN32 )
  56 #   include <winsock2.h>
  57 #endif
  58
  59 #include "UsageEnvironment.hh"
  60 #include "BasicUsageEnvironment.hh"
  61 #include "GroupsockHelper.hh"
  62 #include "liveMedia.hh"
  63
  64 extern "C" {
  65 #include "../access/mms/asf.h"  /* Who said ugly ? */
  66 }
  67
  68 using namespace std;
  69
  70 /*****************************************************************************
  71  * Module descriptor
  72  *****************************************************************************/
  73 static int  Open ( vlc_object_t * );
  74 static void Close( vlc_object_t * );
  75
  76 #define CACHING_TEXT N_("Caching value (ms)")
  77 #define CACHING_LONGTEXT N_( \
  78     "Allows you to modify the default caching value for RTSP streams. This " \
  79     "value should be set in millisecond units." )
  80
  81 #define KASENNA_TEXT N_( "Kasenna RTSP dialect")
  82 #define KASENNA_LONGTEXT N_( "Kasenna servers use an old and nonstandard " \
  83     "dialect of RTSP. With this parameter VLC will try this dialect, but "\
  84     "then it cannot connect to normal RTSP servers." )
  85
  86 #define USER_TEXT N_("RTSP user name")
  87 #define USER_LONGTEXT N_("Sets the username for the connection, " \
  88     "if no username or password are set in the url.")
  89 #define PASS_TEXT N_("RTSP password")
  90 #define PASS_LONGTEXT N_("Sets the password for the connection, " \
  91     "if no username or password are set in the url.")
  92
  93 vlc_module_begin ()
  94     set_description( N_("RTP/RTSP/SDP demuxer (using Live555)" ) )
  95     set_capability( "demux", 50 )
  96     set_shortname( "RTP/RTSP")
  97     set_callbacks( Open, Close )
  98     add_shortcut( "live" )
  99     add_shortcut( "livedotcom" )
 100     set_category( CAT_INPUT )
 101     set_subcategory( SUBCAT_INPUT_DEMUX )
 102
 103     add_submodule ()
 104         set_description( N_("RTSP/RTP access and demux") )
 105         add_shortcut( "rtsp" )
 106         add_shortcut( "sdp" )
 107         add_shortcut( "live" )
 108         add_shortcut( "livedotcom" )
 109         set_capability( "access_demux", 0 )
 110         set_callbacks( Open, Close )
 111         add_bool( "rtsp-tcp", 0, NULL,
 112                   N_("Use RTP over RTSP (TCP)"),
 113                   N_("Use RTP over RTSP (TCP)"), true )
 114             change_safe()
 115         add_integer( "rtp-client-port", -1, NULL,
 116                   N_("Client port"),
 117                   N_("Port to use for the RTP source of the session"), true )
 118         add_bool( "rtsp-mcast", false, NULL,
 119                   N_("Force multicast RTP via RTSP"),
 120                   N_("Force multicast RTP via RTSP"), true )
 121             change_safe()
 122         add_bool( "rtsp-http", 0, NULL,
 123                   N_("Tunnel RTSP and RTP over HTTP"),
 124                   N_("Tunnel RTSP and RTP over HTTP"), true )
 125             change_safe()
 126         add_integer( "rtsp-http-port", 80, NULL,
 127                   N_("HTTP tunnel port"),
 128                   N_("Port to use for tunneling the RTSP/RTP over HTTP."),
 129                   true )
 130         add_integer("rtsp-caching", 4 * DEFAULT_PTS_DELAY / 1000, NULL,
 131                     CACHING_TEXT, CACHING_LONGTEXT, true )
 132             change_safe()
 133         add_bool(   "rtsp-kasenna", false, NULL, KASENNA_TEXT,
 134                     KASENNA_LONGTEXT, true )
 135         add_string( "rtsp-user", NULL, NULL, USER_TEXT,
 136                     USER_LONGTEXT, true )
 137         add_string( "rtsp-pwd", NULL, NULL, PASS_TEXT,
 138                     PASS_LONGTEXT, true )
 139 vlc_module_end ()
 140
 141
 142 /*****************************************************************************
 143  * Local prototypes
 144  *****************************************************************************/
 145
 146 typedef struct
 147 {
 148     demux_t         *p_demux;
 149     MediaSubsession *sub;
 150
 151     es_format_t     fmt;
 152     es_out_id_t     *p_es;
 153
 154     bool            b_muxed;
 155     bool            b_quicktime;
 156     bool            b_asf;
 157     stream_t        *p_out_muxed;    /* for muxed stream */
 158
 159     uint8_t         *p_buffer;
 160     unsigned int    i_buffer;
 161
 162     bool            b_rtcp_sync;
 163     char            waiting;
 164     int64_t         i_pts;
 165     float           i_npt;
 166
 167 } live_track_t;
 168
 169 struct timeout_thread_t
 170 {
 171     demux_sys_t  *p_sys;
 172     vlc_thread_t handle;
 173     bool         b_handle_keep_alive;
 174 };
 175
 176 struct demux_sys_t
 177 {
 178     char            *p_sdp;    /* XXX mallocated */
 179     char            *psz_path; /* URL-encoded path */
 180     vlc_url_t       url;
 181
 182     MediaSession     *ms;
 183     TaskScheduler    *scheduler;
 184     UsageEnvironment *env ;
 185     RTSPClient       *rtsp;
 186
 187     /* */
 188     int              i_track;
 189     live_track_t     **track;   /* XXX mallocated */
 190
 191     /* Weird formats */
 192     asf_header_t     asfh;
 193     stream_t         *p_out_asf;
 194     bool             b_real;
 195
 196     /* */
 197     int64_t          i_pcr; /* The clock */
 198     float            i_npt;
 199     float            i_npt_length;
 200     float            i_npt_start;
 201
 202     /* timeout thread information */
 203     int              i_timeout;     /* session timeout value in seconds */
 204     bool             b_timeout_call;/* mark to send an RTSP call to prevent server timeout */
 205     timeout_thread_t *p_timeout;    /* the actual thread that makes sure we don't timeout */
 206
 207     /* */
 208     bool             b_force_mcast;
 209     bool             b_multicast;   /* if one of the tracks is multicasted */
 210     bool             b_no_data;     /* if we never received any data */
 211     int              i_no_data_ti;  /* consecutive number of TaskInterrupt */
 212
 213     char             event;
 214
 215     bool             b_get_param;   /* Does the server support GET_PARAMETER */
 216 };
 217
 218 static int Demux  ( demux_t * );
 219 static int Control( demux_t *, int, va_list );
 220
 221 static int Connect      ( demux_t * );
 222 static int SessionsSetup( demux_t * );
 223 static int Play         ( demux_t *);
 224 static int ParseASF     ( demux_t * );
 225 static int RollOverTcp  ( demux_t * );
 226
 227 static void StreamRead  ( void *, unsigned int, unsigned int,
 228                           struct timeval, unsigned int );
 229 static void StreamClose ( void * );
 230 static void TaskInterrupt( void * );
 231
 232 static void* TimeoutPrevention( void * );
 233
 234 static unsigned char* parseH264ConfigStr( char const* configStr,
 235                                           unsigned int& configSize );
 236
 237 /*****************************************************************************
 238  * DemuxOpen:
 239  *****************************************************************************/
 240 static int  Open ( vlc_object_t *p_this )
 241 {
 242     demux_t     *p_demux = (demux_t*)p_this;
 243     demux_sys_t *p_sys = NULL;
 244
 245     int i, i_return;
 246     int i_error = VLC_EGENERIC;
 247
 248     if( p_demux->s )
 249     {
 250         /* See if it looks like a SDP
 251            v, o, s fields are mandatory and in this order */
 252         const uint8_t *p_peek;
 253         if( stream_Peek( p_demux->s, &p_peek, 7 ) < 7 ) return VLC_EGENERIC;
 254
 255         if( memcmp( p_peek, "v=0\r\n", 5 ) &&
 256             memcmp( p_peek, "v=0\n", 4 ) &&
 257             ( p_peek[0] < 'a' || p_peek[0] > 'z' || p_peek[1] != '=' ) )
 258         {
 259             return VLC_EGENERIC;
 260         }
 261     }
 262     else
 263     {
 264         var_Create( p_demux, "rtsp-caching", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
 265     }
 266
 267     p_demux->pf_demux  = Demux;
 268     p_demux->pf_control= Control;
 269     p_demux->p_sys     = p_sys = (demux_sys_t*)malloc( sizeof( demux_sys_t ) );
 270     if( !p_sys ) return VLC_ENOMEM;
 271
 272     p_sys->p_sdp = NULL;
 273     p_sys->scheduler = NULL;
 274     p_sys->env = NULL;
 275     p_sys->ms = NULL;
 276     p_sys->rtsp = NULL;
 277     p_sys->i_track = 0;
 278     p_sys->track   = NULL;
 279     p_sys->i_pcr = 0;
 280     p_sys->i_npt = 0.;
 281     p_sys->i_npt_start = 0.;
 282     p_sys->i_npt_length = 0.;
 283     p_sys->p_out_asf = NULL;
 284     p_sys->b_no_data = true;
 285     p_sys->i_no_data_ti = 0;
 286     p_sys->p_timeout = NULL;
 287     p_sys->i_timeout = 0;
 288     p_sys->b_timeout_call = false;
 289     p_sys->b_multicast = false;
 290     p_sys->b_real = false;
 291     p_sys->psz_path = strdup( p_demux->psz_path );
 292     p_sys->b_force_mcast = var_CreateGetBool( p_demux, "rtsp-mcast" );
 293     p_sys->b_get_param = false;
 294
 295     /* parse URL for rtsp://[user:[passwd]@]serverip:port/options */
 296     vlc_UrlParse( &p_sys->url, p_sys->psz_path, 0 );
 297
 298     if( ( p_sys->scheduler = BasicTaskScheduler::createNew() ) == NULL )
 299     {
 300         msg_Err( p_demux, "BasicTaskScheduler::createNew failed" );
 301         goto error;
 302     }
 303     if( !( p_sys->env = BasicUsageEnvironment::createNew(*p_sys->scheduler) ) )
 304     {
 305         msg_Err( p_demux, "BasicUsageEnvironment::createNew failed" );
 306         goto error;
 307     }
 308
 309     if( strcasecmp( p_demux->psz_access, "sdp" ) )
 310     {
 311         char *p = p_sys->psz_path;
 312         while( (p = strchr( p, ' ' )) != NULL ) *p = '+';
 313     }
 314
 315     if( p_demux->s != NULL )
 316     {
 317         /* Gather the complete sdp file */
 318         int     i_sdp       = 0;
 319         int     i_sdp_max   = 1000;
 320         uint8_t *p_sdp      = (uint8_t*) malloc( i_sdp_max );
 321
 322         if( !p_sdp )
 323         {
 324             i_error = VLC_ENOMEM;
 325             goto error;
 326         }
 327
 328         for( ;; )
 329         {
 330             int i_read = stream_Read( p_demux->s, &p_sdp[i_sdp],
 331                                       i_sdp_max - i_sdp - 1 );
 332
 333             if( !vlc_object_alive (p_demux) || p_demux->b_error )
 334             {
 335                 free( p_sdp );
 336                 goto error;
 337             }
 338
 339             if( i_read < 0 )
 340             {
 341                 msg_Err( p_demux, "failed to read SDP" );
 342                 free( p_sdp );
 343                 goto error;
 344             }
 345
 346             i_sdp += i_read;
 347
 348             if( i_read < i_sdp_max - i_sdp - 1 )
 349             {
 350                 p_sdp[i_sdp] = '\0';
 351                 break;
 352             }
 353
 354             i_sdp_max += 1000;
 355             p_sdp = (uint8_t*)realloc( p_sdp, i_sdp_max );
 356         }
 357         p_sys->p_sdp = (char*)p_sdp;
 358     }
 359     else if( ( p_demux->s == NULL ) &&
 360              !strcasecmp( p_demux->psz_access, "sdp" ) )
 361     {
 362         /* sdp:// link from SAP */
 363         p_sys->p_sdp = strdup( p_sys->psz_path );
 364     }
 365     else if( ( i_return = Connect( p_demux ) ) != VLC_SUCCESS )
 366     {
 367         msg_Err( p_demux, "Failed to connect with rtsp://%s", p_sys->psz_path );
 368         goto error;
 369     }
 370
 371     if( p_sys->p_sdp == NULL )
 372     {
 373         msg_Err( p_demux, "Failed to retrieve the RTSP Session Description" );
 374         i_error = VLC_ENOMEM;
 375         goto error;
 376     }
 377
 378     if( ( i_return = SessionsSetup( p_demux ) ) != VLC_SUCCESS )
 379     {
 380         msg_Err( p_demux, "Nothing to play for rtsp://%s", p_sys->psz_path );
 381         goto error;
 382     }
 383
 384     if( p_sys->b_real ) goto error;
 385
 386     if( ( i_return = Play( p_demux ) ) != VLC_SUCCESS )
 387         goto error;
 388
 389     if( p_sys->p_out_asf && ParseASF( p_demux ) )
 390     {
 391         msg_Err( p_demux, "cannot find a usable asf header" );
 392         /* TODO Clean tracks */
 393         goto error;
 394     }
 395
 396     if( p_sys->i_track <= 0 )
 397         goto error;
 398
 399     return VLC_SUCCESS;
 400
 401 error:
 402     for( i = 0; i < p_sys->i_track; i++ )
 403     {
 404         live_track_t *tk = p_sys->track[i];
 405
 406         if( tk->b_muxed ) stream_Delete( tk->p_out_muxed );
 407         es_format_Clean( &tk->fmt );
 408         free( tk->p_buffer );
 409         free( tk );
 410     }
 411
 412     if( p_sys->i_track ) free( p_sys->track );
 413     if( p_sys->p_out_asf ) stream_Delete( p_sys->p_out_asf );
 414     if( p_sys->rtsp && p_sys->ms ) p_sys->rtsp->teardownMediaSession( *p_sys->ms );
 415     if( p_sys->p_timeout )
 416     {
 417         vlc_cancel( p_sys->p_timeout->handle );
 418         vlc_join( p_sys->p_timeout->handle, NULL );
 419         free( p_sys->p_timeout );
 420     }
 421     if( p_sys->ms ) Medium::close( p_sys->ms );
 422     if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp );
 423     if( p_sys->env ) p_sys->env->reclaim();
 424     delete p_sys->scheduler;
 425     free( p_sys->p_sdp );
 426     free( p_sys->psz_path );
 427
 428     vlc_UrlClean( &p_sys->url );
 429
 430     free( p_sys );
 431     return i_error;
 432 }
 433
 434 /*****************************************************************************
 435  * DemuxClose:
 436  *****************************************************************************/
 437 static void Close( vlc_object_t *p_this )
 438 {
 439     demux_t *p_demux = (demux_t*)p_this;
 440     demux_sys_t *p_sys = p_demux->p_sys;
 441     int i;
 442
 443     for( i = 0; i < p_sys->i_track; i++ )
 444     {
 445         live_track_t *tk = p_sys->track[i];
 446
 447         if( tk->b_muxed ) stream_Delete( tk->p_out_muxed );
 448         es_format_Clean( &tk->fmt );
 449         free( tk->p_buffer );
 450         free( tk );
 451     }
 452
 453     if( p_sys->i_track ) free( p_sys->track );
 454     if( p_sys->p_out_asf ) stream_Delete( p_sys->p_out_asf );
 455     if( p_sys->rtsp && p_sys->ms ) p_sys->rtsp->teardownMediaSession( *p_sys->ms );
 456     if( p_sys->p_timeout )
 457     {
 458         vlc_cancel( p_sys->p_timeout->handle );
 459         vlc_join( p_sys->p_timeout->handle, NULL );
 460         free( p_sys->p_timeout );
 461     }
 462     if( p_sys->ms ) Medium::close( p_sys->ms );
 463     if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp );
 464     if( p_sys->env ) p_sys->env->reclaim();
 465     delete p_sys->scheduler;
 466     free( p_sys->p_sdp );
 467     free( p_sys->psz_path );
 468
 469     vlc_UrlClean( &p_sys->url );
 470
 471     free( p_sys );
 472 }
 473
 474 /*****************************************************************************
 475  * Connect: connects to the RTSP server to setup the session DESCRIBE
 476  *****************************************************************************/
 477 static int Connect( demux_t *p_demux )
 478 {
 479     demux_sys_t *p_sys = p_demux->p_sys;
 480     Authenticator authenticator;
 481     bool b_firstpass  = true;
 482     char *psz_user    = NULL;
 483     char *psz_pwd     = NULL;
 484     char *psz_url     = NULL;
 485     char *psz_options = NULL;
 486     char *p_sdp       = NULL;
 487     int  i_http_port  = 0;
 488     int  i_ret        = VLC_SUCCESS;
 489
 490     if( p_sys->url.i_port == 0 ) p_sys->url.i_port = 554;
 491     if( p_sys->url.psz_username || p_sys->url.psz_password )
 492     {
 493         int err;
 494         err = asprintf( &psz_url, "rtsp://%s:%d%s", p_sys->url.psz_host,
 495                         p_sys->url.i_port, p_sys->url.psz_path );
 496         if( err == -1 ) return VLC_ENOMEM;
 497
 498         psz_user = strdup( p_sys->url.psz_username );
 499         psz_pwd  = strdup( p_sys->url.psz_password );
 500     }
 501     else
 502     {
 503         int err;
 504         err = asprintf( &psz_url, "rtsp://%s", p_sys->psz_path );
 505         if( err == -1 ) return VLC_ENOMEM;
 506
 507         psz_user = var_CreateGetString( p_demux, "rtsp-user" );
 508         psz_pwd  = var_CreateGetString( p_demux, "rtsp-pwd" );
 509     }
 510
 511 createnew:
 512     if( !vlc_object_alive (p_demux) || p_demux->b_error )
 513     {
 514         free( psz_user );
 515         free( psz_pwd );
 516         free( psz_url );
 517         return VLC_EGENERIC;
 518     }
 519
 520     if( var_CreateGetBool( p_demux, "rtsp-http" ) )
 521         i_http_port = var_CreateGetInteger( p_demux, "rtsp-http-port" );
 522
 523     if( ( p_sys->rtsp = RTSPClient::createNew( *p_sys->env,
 524           var_CreateGetInteger( p_demux, "verbose" ) > 1,
 525           "VLC media player", i_http_port ) ) == NULL )
 526     {
 527         msg_Err( p_demux, "RTSPClient::createNew failed (%s)",
 528                  p_sys->env->getResultMsg() );
 529         free( psz_user );
 530         free( psz_pwd );
 531         free( psz_url );
 532         return VLC_EGENERIC;
 533     }
 534
 535     /* Kasenna enables KeepAlive by analysing the User-Agent string.
 536      * Appending _KA to the string should be enough to enable this feature,
 537      * however, there is a bug where the _KA doesn't get parsed from the
 538      * default User-Agent as created by VLC/Live555 code. This is probably due
 539      * to spaces in the string or the string being too long. Here we override
 540      * the default string with a more compact version.
 541      */
 542     if( var_CreateGetBool( p_demux, "rtsp-kasenna" ))
 543     {
 544         p_sys->rtsp->setUserAgentString( "VLC_MEDIA_PLAYER_KA" );
 545     }
 546
 547 describe:
 548     authenticator.setUsernameAndPassword( (const char*)psz_user,
 549                                           (const char*)psz_pwd );
 550
 551     /* */
 552     const int i_timeout = var_CreateGetInteger(p_demux, "ipv4-timeout") / 1000;
 553
 554 #if LIVEMEDIA_LIBRARY_VERSION_INT >= 1223337600
 555     psz_options = p_sys->rtsp->sendOptionsCmd( psz_url, psz_user, psz_pwd,
 556                                                &authenticator, i_timeout );
 557 #else
 558     psz_options = p_sys->rtsp->sendOptionsCmd( psz_url, psz_user, psz_pwd,
 559                                                &authenticator );
 560 #endif
 561     if( psz_options == NULL && authenticator.realm() != NULL )
 562     {
 563         // try again, with the realm set this time
 564 #if LIVEMEDIA_LIBRARY_VERSION_INT >= 1223337600
 565         psz_options = p_sys->rtsp->sendOptionsCmd( psz_url, psz_user, psz_pwd,
 566                                                &authenticator, i_timeout );
 567 #else
 568         psz_options = p_sys->rtsp->sendOptionsCmd( psz_url, psz_user, psz_pwd,
 569                                                &authenticator );
 570 #endif
 571     }
 572     if( psz_options )
 573         p_sys->b_get_param = strstr( psz_options, "GET_PARAMETER" ) ? true : false ;
 574     delete [] psz_options;
 575
 576 #if LIVEMEDIA_LIBRARY_VERSION_INT >= 1223337600
 577     p_sdp = p_sys->rtsp->describeWithPassword( psz_url, (const char*)psz_user, (const char*)psz_pwd,
 578                                           var_GetBool( p_demux, "rtsp-kasenna" ), i_timeout );
 579 #else
 580     p_sdp = p_sys->rtsp->describeWithPassword( psz_url, (const char*)psz_user, (const char*)psz_pwd,
 581                                           var_GetBool( p_demux, "rtsp-kasenna" ) );
 582 #endif
 583
 584     if( p_sdp == NULL )
 585     {
 586         /* failure occurred */
 587         int i_code = 0;
 588         const char *psz_error = p_sys->env->getResultMsg();
 589
 590         if( var_GetBool( p_demux, "rtsp-http" ) )
 591             sscanf( psz_error, "%*s %*s HTTP GET %*s HTTP/%*u.%*u %3u %*s",
 592                     &i_code );
 593         else
 594         {
 595             const char *psz_tmp = strstr( psz_error, "RTSP" );
 596             if( psz_tmp )
 597                 sscanf( psz_tmp, "RTSP/%*s%3u", &i_code );
 598             else
 599                 i_code = 0;
 600         }
 601         msg_Dbg( p_demux, "DESCRIBE failed with %d: %s", i_code, psz_error );
 602
 603         if( b_firstpass )
 604         {   /* describeURL always returns an "RTSP/1.0 401 Unauthorized" the
 605              * first time. This is a workaround to avoid asking for a
 606              * user/passwd the first time the code passess here. */
 607             i_code = 0;
 608             b_firstpass = false;
 609         }
 610
 611         if( i_code == 401 )
 612         {
 613             msg_Dbg( p_demux, "authentication failed" );
 614
 615             free( psz_user );
 616             free( psz_pwd );
 617             dialog_Login( p_demux, &psz_user, &psz_pwd,
 618                           _("RTSP authentication"),
 619                         _("Please enter a valid login name and a password.") );
 620             if( psz_user != NULL && psz_pwd != NULL )
 621             {
 622                 msg_Dbg( p_demux, "retrying with user=%s, pwd=%s",
 623                          psz_user, psz_pwd );
 624                 goto describe;
 625             }
 626         }
 627         else if( (i_code != 0) && !var_GetBool( p_demux, "rtsp-http" ) )
 628         {
 629             /* Perhaps a firewall is being annoying. Try HTTP tunneling mode */
 630             vlc_value_t val;
 631             val.b_bool = true;
 632             msg_Dbg( p_demux, "we will now try HTTP tunneling mode" );
 633             var_Set( p_demux, "rtsp-http", val );
 634             if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp );
 635             p_sys->rtsp = NULL;
 636             goto createnew;
 637         }
 638         else
 639         {
 640             msg_Dbg( p_demux, "connection timeout" );
 641             if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp );
 642             p_sys->rtsp = NULL;
 643         }
 644         i_ret = VLC_EGENERIC;
 645     }
 646
 647     /* malloc-ated copy */
 648     free( psz_url );
 649     free( psz_user );
 650     free( psz_pwd );
 651
 652     free( p_sys->p_sdp );
 653     p_sys->p_sdp = NULL;
 654     if( p_sdp ) p_sys->p_sdp = strdup( (char*)p_sdp );
 655     delete[] p_sdp;
 656
 657     return i_ret;
 658 }
 659
 660 /*****************************************************************************
 661  * SessionsSetup: prepares the subsessions and does the SETUP
 662  *****************************************************************************/
 663 static int SessionsSetup( demux_t *p_demux )
 664 {
 665     demux_sys_t             *p_sys  = p_demux->p_sys;
 666     MediaSubsessionIterator *iter   = NULL;
 667     MediaSubsession         *sub    = NULL;
 668
 669     bool           b_rtsp_tcp = false;
 670     int            i_client_port;
 671     int            i_return = VLC_SUCCESS;
 672     unsigned int   i_buffer = 0;
 673     unsigned const thresh = 200000; /* RTP reorder threshold .2 second (default .1) */
 674
 675     b_rtsp_tcp    = var_CreateGetBool( p_demux, "rtsp-tcp" ) ||
 676                     var_GetBool( p_demux, "rtsp-http" );
 677     i_client_port = var_CreateGetInteger( p_demux, "rtp-client-port" );
 678
 679     /* Create the session from the SDP */
 680     if( !( p_sys->ms = MediaSession::createNew( *p_sys->env, p_sys->p_sdp ) ) )
 681     {
 682         msg_Err( p_demux, "Could not create the RTSP Session: %s",
 683             p_sys->env->getResultMsg() );
 684         return VLC_EGENERIC;
 685     }
 686
 687     /* Initialise each media subsession */
 688     iter = new MediaSubsessionIterator( *p_sys->ms );
 689     while( ( sub = iter->next() ) != NULL )
 690     {
 691         Boolean bInit;
 692         live_track_t *tk;
 693
 694         if( !vlc_object_alive (p_demux) || p_demux->b_error )
 695         {
 696             delete iter;
 697             return VLC_EGENERIC;
 698         }
 699
 700         /* Value taken from mplayer */
 701         if( !strcmp( sub->mediumName(), "audio" ) )
 702             i_buffer = 100000;
 703         else if( !strcmp( sub->mediumName(), "video" ) )
 704             i_buffer = 2000000;
 705         else continue;
 706
 707         if( i_client_port != -1 )
 708         {
 709             sub->setClientPortNum( i_client_port );
 710             i_client_port += 2;
 711         }
 712
 713         if( strcasestr( sub->codecName(), "REAL" ) )
 714         {
 715             msg_Info( p_demux, "real codec detected, using real-RTSP instead" );
 716             p_sys->b_real = true; /* This is a problem, we'll handle it later */
 717             continue;
 718         }
 719
 720         if( !strcmp( sub->codecName(), "X-ASF-PF" ) )
 721             bInit = sub->initiate( 4 ); /* Constant ? */
 722         else
 723             bInit = sub->initiate();
 724
 725         if( !bInit )
 726         {
 727             msg_Warn( p_demux, "RTP subsession '%s/%s' failed (%s)",
 728                       sub->mediumName(), sub->codecName(),
 729                       p_sys->env->getResultMsg() );
 730         }
 731         else
 732         {
 733             if( sub->rtpSource() != NULL )
 734             {
 735                 int fd = sub->rtpSource()->RTPgs()->socketNum();
 736
 737                 /* Increase the buffer size */
 738                 if( i_buffer > 0 )
 739                     increaseReceiveBufferTo( *p_sys->env, fd, i_buffer );
 740
 741                 /* Increase the RTP reorder timebuffer just a bit */
 742                 sub->rtpSource()->setPacketReorderingThresholdTime(thresh);
 743             }
 744             msg_Dbg( p_demux, "RTP subsession '%s/%s'", sub->mediumName(),
 745                      sub->codecName() );
 746
 747             /* Issue the SETUP */
 748             if( p_sys->rtsp )
 749             {
 750                 if( !p_sys->rtsp->setupMediaSubsession( *sub, False,
 751                                            b_rtsp_tcp ? True : False,
 752                                            ( p_sys->b_force_mcast && !b_rtsp_tcp ) ? True : False ) )
 753                 {
 754                     /* if we get an unsupported transport error, toggle TCP use and try again */
 755                     if( !strstr(p_sys->env->getResultMsg(), "461 Unsupported Transport")
 756                      || !p_sys->rtsp->setupMediaSubsession( *sub, False,
 757                                            b_rtsp_tcp ? False : True,
 758                                            False ) )
 759                     {
 760                         msg_Err( p_demux, "SETUP of'%s/%s' failed %s", sub->mediumName(),
 761                                  sub->codecName(), p_sys->env->getResultMsg() );
 762                         continue;
 763                     }
 764                 }
 765             }
 766
 767             /* Check if we will receive data from this subsession for this track */
 768             if( sub->readSource() == NULL ) continue;
 769             if( !p_sys->b_multicast )
 770             {
 771                 /* Check, because we need diff. rollover behaviour for multicast */
 772                 p_sys->b_multicast = IsMulticastAddress( sub->connectionEndpointAddress() );
 773             }
 774
 775             tk = (live_track_t*)malloc( sizeof( live_track_t ) );
 776             if( !tk )
 777             {
 778                 delete iter;
 779                 return VLC_ENOMEM;
 780             }
 781             tk->p_demux     = p_demux;
 782             tk->sub         = sub;
 783             tk->p_es        = NULL;
 784             tk->b_quicktime = false;
 785             tk->b_asf       = false;
 786             tk->b_muxed     = false;
 787             tk->p_out_muxed = NULL;
 788             tk->waiting     = 0;
 789             tk->b_rtcp_sync = false;
 790             tk->i_pts       = 0;
 791             tk->i_npt       = 0.;
 792             tk->i_buffer    = 65536;
 793             tk->p_buffer    = (uint8_t *)malloc( 65536 );
 794             if( !tk->p_buffer )
 795             {
 796                 free( tk );
 797                 delete iter;
 798                 return VLC_ENOMEM;
 799             }
 800
 801             /* Value taken from mplayer */
 802             if( !strcmp( sub->mediumName(), "audio" ) )
 803             {
 804                 es_format_Init( &tk->fmt, AUDIO_ES, VLC_FOURCC('u','n','d','f') );
 805                 tk->fmt.audio.i_channels = sub->numChannels();
 806                 tk->fmt.audio.i_rate = sub->rtpTimestampFrequency();
 807
 808                 if( !strcmp( sub->codecName(), "MPA" ) ||
 809                     !strcmp( sub->codecName(), "MPA-ROBUST" ) ||
 810                     !strcmp( sub->codecName(), "X-MP3-DRAFT-00" ) )
 811                 {
 812                     tk->fmt.i_codec = VLC_CODEC_MPGA;
 813                     tk->fmt.audio.i_rate = 0;
 814                 }
 815                 else if( !strcmp( sub->codecName(), "AC3" ) )
 816                 {
 817                     tk->fmt.i_codec = VLC_CODEC_A52;
 818                     tk->fmt.audio.i_rate = 0;
 819                 }
 820                 else if( !strcmp( sub->codecName(), "L16" ) )
 821                 {
 822                     tk->fmt.i_codec = VLC_FOURCC( 't', 'w', 'o', 's' );
 823                     tk->fmt.audio.i_bitspersample = 16;
 824                 }
 825                 else if( !strcmp( sub->codecName(), "L8" ) )
 826                 {
 827                     tk->fmt.i_codec = VLC_FOURCC( 'a', 'r', 'a', 'w' );
 828                     tk->fmt.audio.i_bitspersample = 8;
 829                 }
 830                 else if( !strcmp( sub->codecName(), "PCMU" ) )
 831                 {
 832                     tk->fmt.i_codec = VLC_CODEC_MULAW;
 833                 }
 834                 else if( !strcmp( sub->codecName(), "PCMA" ) )
 835                 {
 836                     tk->fmt.i_codec = VLC_CODEC_ALAW;
 837                 }
 838                 else if( !strncmp( sub->codecName(), "G726", 4 ) )
 839                 {
 840                     tk->fmt.i_codec = VLC_CODEC_ADPCM_G726;
 841                     tk->fmt.audio.i_rate = 8000;
 842                     tk->fmt.audio.i_channels = 1;
 843                     if( !strcmp( sub->codecName()+5, "40" ) )
 844                         tk->fmt.i_bitrate = 40000;
 845                     else if( !strcmp( sub->codecName()+5, "32" ) )
 846                         tk->fmt.i_bitrate = 32000;
 847                     else if( !strcmp( sub->codecName()+5, "24" ) )
 848                         tk->fmt.i_bitrate = 24000;
 849                     else if( !strcmp( sub->codecName()+5, "16" ) )
 850                         tk->fmt.i_bitrate = 16000;
 851                 }
 852                 else if( !strcmp( sub->codecName(), "AMR" ) )
 853                 {
 854                     tk->fmt.i_codec = VLC_CODEC_AMR_NB;
 855                 }
 856                 else if( !strcmp( sub->codecName(), "AMR-WB" ) )
 857                 {
 858                     tk->fmt.i_codec = VLC_CODEC_AMR_WB;
 859                 }
 860                 else if( !strcmp( sub->codecName(), "MP4A-LATM" ) )
 861                 {
 862                     unsigned int i_extra;
 863                     uint8_t      *p_extra;
 864
 865                     tk->fmt.i_codec = VLC_CODEC_MP4A;
 866
 867                     if( ( p_extra = parseStreamMuxConfigStr( sub->fmtp_config(),
 868                                                              i_extra ) ) )
 869                     {
 870                         tk->fmt.i_extra = i_extra;
 871                         tk->fmt.p_extra = malloc( i_extra );
 872                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
 873                         delete[] p_extra;
 874                     }
 875                     /* Because the "faad" decoder does not handle the LATM data length field
 876                        at the start of each returned LATM frame, tell the RTP source to omit it. */
 877                     ((MPEG4LATMAudioRTPSource*)sub->rtpSource())->omitLATMDataLengthField();
 878                 }
 879                 else if( !strcmp( sub->codecName(), "MPEG4-GENERIC" ) )
 880                 {
 881                     unsigned int i_extra;
 882                     uint8_t      *p_extra;
 883
 884                     tk->fmt.i_codec = VLC_CODEC_MP4A;
 885
 886                     if( ( p_extra = parseGeneralConfigStr( sub->fmtp_config(),
 887                                                            i_extra ) ) )
 888                     {
 889                         tk->fmt.i_extra = i_extra;
 890                         tk->fmt.p_extra = malloc( i_extra );
 891                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
 892                         delete[] p_extra;
 893                     }
 894                 }
 895                 else if( !strcmp( sub->codecName(), "X-ASF-PF" ) )
 896                 {
 897                     tk->b_asf = true;
 898                     if( p_sys->p_out_asf == NULL )
 899                         p_sys->p_out_asf = stream_DemuxNew( p_demux, "asf",
 900                                                             p_demux->out );
 901                 }
 902                 else if( !strcmp( sub->codecName(), "X-QT" ) ||
 903                          !strcmp( sub->codecName(), "X-QUICKTIME" ) )
 904                 {
 905                     tk->b_quicktime = true;
 906                 }
 907                 else if( !strcmp( sub->codecName(), "SPEEX" ) )
 908                 {
 909                     tk->fmt.i_codec = VLC_FOURCC( 's', 'p', 'x', 'r' );
 910                     if ( sub->rtpTimestampFrequency() )
 911                         tk->fmt.audio.i_rate = sub->rtpTimestampFrequency();
 912                     else
 913                     {
 914                         msg_Warn( p_demux,"Using 8kHz as default sample rate." );
 915                         tk->fmt.audio.i_rate = 8000;
 916                     }
 917                 }
 918             }
 919             else if( !strcmp( sub->mediumName(), "video" ) )
 920             {
 921                 es_format_Init( &tk->fmt, VIDEO_ES, VLC_FOURCC('u','n','d','f') );
 922                 if( !strcmp( sub->codecName(), "MPV" ) )
 923                 {
 924                     tk->fmt.i_codec = VLC_CODEC_MPGV;
 925                 }
 926                 else if( !strcmp( sub->codecName(), "H263" ) ||
 927                          !strcmp( sub->codecName(), "H263-1998" ) ||
 928                          !strcmp( sub->codecName(), "H263-2000" ) )
 929                 {
 930                     tk->fmt.i_codec = VLC_CODEC_H263;
 931                 }
 932                 else if( !strcmp( sub->codecName(), "H261" ) )
 933                 {
 934                     tk->fmt.i_codec = VLC_CODEC_H261;
 935                 }
 936                 else if( !strcmp( sub->codecName(), "H264" ) )
 937                 {
 938                     unsigned int i_extra = 0;
 939                     uint8_t      *p_extra = NULL;
 940
 941                     tk->fmt.i_codec = VLC_CODEC_H264;
 942                     tk->fmt.b_packetized = false;
 943
 944                     if((p_extra=parseH264ConfigStr( sub->fmtp_spropparametersets(),
 945                                                     i_extra ) ) )
 946                     {
 947                         tk->fmt.i_extra = i_extra;
 948                         tk->fmt.p_extra = malloc( i_extra );
 949                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
 950
 951                         delete[] p_extra;
 952                     }
 953                 }
 954                 else if( !strcmp( sub->codecName(), "JPEG" ) )
 955                 {
 956                     tk->fmt.i_codec = VLC_CODEC_MJPG;
 957                 }
 958                 else if( !strcmp( sub->codecName(), "MP4V-ES" ) )
 959                 {
 960                     unsigned int i_extra;
 961                     uint8_t      *p_extra;
 962
 963                     tk->fmt.i_codec = VLC_CODEC_MP4V;
 964
 965                     if( ( p_extra = parseGeneralConfigStr( sub->fmtp_config(),
 966                                                            i_extra ) ) )
 967                     {
 968                         tk->fmt.i_extra = i_extra;
 969                         tk->fmt.p_extra = malloc( i_extra );
 970                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
 971                         delete[] p_extra;
 972                     }
 973                 }
 974                 else if( !strcmp( sub->codecName(), "X-QT" ) ||
 975                          !strcmp( sub->codecName(), "X-QUICKTIME" ) ||
 976                          !strcmp( sub->codecName(), "X-QDM" ) ||
 977                          !strcmp( sub->codecName(), "X-SV3V-ES" )  ||
 978                          !strcmp( sub->codecName(), "X-SORENSONVIDEO" ) )
 979                 {
 980                     tk->b_quicktime = true;
 981                 }
 982                 else if( !strcmp( sub->codecName(), "MP2T" ) )
 983                 {
 984                     tk->b_muxed = true;
 985                     tk->p_out_muxed = stream_DemuxNew( p_demux, "ts", p_demux->out );
 986                 }
 987                 else if( !strcmp( sub->codecName(), "MP2P" ) ||
 988                          !strcmp( sub->codecName(), "MP1S" ) )
 989                 {
 990                     tk->b_muxed = true;
 991                     tk->p_out_muxed = stream_DemuxNew( p_demux, "ps",
 992                                                        p_demux->out );
 993                 }
 994                 else if( !strcmp( sub->codecName(), "X-ASF-PF" ) )
 995                 {
 996                     tk->b_asf = true;
 997                     if( p_sys->p_out_asf == NULL )
 998                         p_sys->p_out_asf = stream_DemuxNew( p_demux, "asf",
 999                                                             p_demux->out );;
1000                 }
1001                 else if( !strcmp( sub->codecName(), "DV" ) )
1002                 {
1003                     tk->b_muxed = true;
1004                     tk->p_out_muxed = stream_DemuxNew( p_demux, "rawdv",
1005                                                        p_demux->out );
1006                 }
1007             }
1008
1009             if( !tk->b_quicktime && !tk->b_muxed && !tk->b_asf )
1010             {
1011                 tk->p_es = es_out_Add( p_demux->out, &tk->fmt );
1012             }
1013
1014             if( sub->rtcpInstance() != NULL )
1015             {
1016                 sub->rtcpInstance()->setByeHandler( StreamClose, tk );
1017             }
1018
1019             if( tk->p_es || tk->b_quicktime || tk->b_muxed || tk->b_asf )
1020             {
1021                 /* Append */
1022                 p_sys->track = (live_track_t**)realloc( p_sys->track, sizeof( live_track_t ) * ( p_sys->i_track + 1 ) );
1023                 p_sys->track[p_sys->i_track++] = tk;
1024             }
1025             else
1026             {
1027                 /* BUG ??? */
1028                 msg_Err( p_demux, "unusable RTSP track. this should not happen" );
1029                 es_format_Clean( &tk->fmt );
1030                 free( tk );
1031             }
1032         }
1033     }
1034     delete iter;
1035     if( p_sys->i_track <= 0 ) i_return = VLC_EGENERIC;
1036
1037     /* Retrieve the starttime if possible */
1038     p_sys->i_npt_start = p_sys->ms->playStartTime();
1039
1040     /* Retrieve the duration if possible */
1041     p_sys->i_npt_length = p_sys->ms->playEndTime();
1042
1043     /* */
1044     msg_Dbg( p_demux, "setup start: %f stop:%f", p_sys->i_npt_start, p_sys->i_npt_length );
1045
1046     /* */
1047     p_sys->b_no_data = true;
1048     p_sys->i_no_data_ti = 0;
1049
1050     return i_return;
1051 }
1052
1053 /*****************************************************************************
1054  * Play: starts the actual playback of the stream
1055  *****************************************************************************/
1056 static int Play( demux_t *p_demux )
1057 {
1058     demux_sys_t *p_sys = p_demux->p_sys;
1059
1060     if( p_sys->rtsp )
1061     {
1062         /* The PLAY */
1063         if( !p_sys->rtsp->playMediaSession( *p_sys->ms, p_sys->i_npt_start, -1, 1 ) )
1064         {
1065             msg_Err( p_demux, "RTSP PLAY failed %s", p_sys->env->getResultMsg() );
1066             return VLC_EGENERIC;
1067         }
1068
1069         /* Retrieve the timeout value and set up a timeout prevention thread */
1070         p_sys->i_timeout = p_sys->rtsp->sessionTimeoutParameter();
1071         if( p_sys->i_timeout <= 0 )
1072             p_sys->i_timeout = 60; /* default value from RFC2326 */
1073
1074         /* start timeout-thread only if GET_PARAMETER is supported by the server */
1075         if( !p_sys->p_timeout && p_sys->b_get_param )
1076         {
1077             msg_Dbg( p_demux, "We have a timeout of %d seconds",  p_sys->i_timeout );
1078             p_sys->p_timeout = (timeout_thread_t *)malloc( sizeof(timeout_thread_t) );
1079             if( p_sys->p_timeout )
1080             {
1081                 memset( p_sys->p_timeout, 0, sizeof(timeout_thread_t) );
1082                 p_sys->p_timeout->p_sys = p_demux->p_sys; /* lol, object recursion :D */
1083                 if( vlc_clone( &p_sys->p_timeout->handle,  TimeoutPrevention,
1084                                p_sys->p_timeout, VLC_THREAD_PRIORITY_LOW ) )
1085                 {
1086                     msg_Err( p_demux, "cannot spawn liveMedia timeout thread" );
1087                     free( p_sys->p_timeout );
1088                     p_sys->p_timeout = NULL;
1089                 }
1090                 else
1091                     msg_Dbg( p_demux, "spawned timeout thread" );
1092             }
1093             else
1094                 msg_Err( p_demux, "cannot spawn liveMedia timeout thread" );
1095         }
1096     }
1097     p_sys->i_pcr = 0;
1098
1099     /* Retrieve the starttime if possible */
1100     p_sys->i_npt_start = p_sys->ms->playStartTime();
1101     p_sys->i_npt_length = p_sys->ms->playEndTime();
1102
1103     msg_Dbg( p_demux, "play start: %f stop:%f", p_sys->i_npt_start, p_sys->i_npt_length );
1104     return VLC_SUCCESS;
1105 }
1106
1107
1108 /*****************************************************************************
1109  * Demux:
1110  *****************************************************************************/
1111 static int Demux( demux_t *p_demux )
1112 {
1113     demux_sys_t    *p_sys = p_demux->p_sys;
1114     TaskToken      task;
1115
1116     bool            b_send_pcr = true;
1117     int64_t         i_pcr = 0;
1118     int             i;
1119
1120     /* Check if we need to send the server a Keep-A-Live signal */
1121     if( p_sys->b_timeout_call && p_sys->rtsp && p_sys->ms )
1122     {
1123         char *psz_bye = NULL;
1124         p_sys->rtsp->getMediaSessionParameter( *p_sys->ms, NULL, psz_bye );
1125         p_sys->b_timeout_call = false;
1126     }
1127
1128     for( i = 0; i < p_sys->i_track; i++ )
1129     {
1130         live_track_t *tk = p_sys->track[i];
1131
1132         if( tk->b_asf || tk->b_muxed )
1133             b_send_pcr = false;
1134 #if 0
1135         if( i_pcr == 0 )
1136         {
1137             i_pcr = tk->i_pts;
1138         }
1139         else if( tk->i_pts != 0 && i_pcr > tk->i_pts )
1140         {
1141             i_pcr = tk->i_pts ;
1142         }
1143 #endif
1144     }
1145     if( p_sys->i_pcr > 0 )
1146     {
1147         if( b_send_pcr )
1148             es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_sys->i_pcr );
1149     }
1150
1151     /* First warn we want to read data */
1152     p_sys->event = 0;
1153     for( i = 0; i < p_sys->i_track; i++ )
1154     {
1155         live_track_t *tk = p_sys->track[i];
1156
1157         if( tk->waiting == 0 )
1158         {
1159             tk->waiting = 1;
1160             tk->sub->readSource()->getNextFrame( tk->p_buffer, tk->i_buffer,
1161                                           StreamRead, tk, StreamClose, tk );
1162         }
1163     }
1164     /* Create a task that will be called if we wait more than 300ms */
1165     task = p_sys->scheduler->scheduleDelayedTask( 300000, TaskInterrupt, p_demux );
1166
1167     /* Do the read */
1168     p_sys->scheduler->doEventLoop( &p_sys->event );
1169
1170     /* remove the task */
1171     p_sys->scheduler->unscheduleDelayedTask( task );
1172
1173     /* Check for gap in pts value */
1174     for( i = 0; i < p_sys->i_track; i++ )
1175     {
1176         live_track_t *tk = p_sys->track[i];
1177
1178         if( !tk->b_muxed && !tk->b_rtcp_sync &&
1179             tk->sub->rtpSource() && tk->sub->rtpSource()->hasBeenSynchronizedUsingRTCP() )
1180         {
1181             msg_Dbg( p_demux, "tk->rtpSource->hasBeenSynchronizedUsingRTCP()" );
1182
1183             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
1184             tk->b_rtcp_sync = true;
1185             /* reset PCR */
1186             tk->i_pts = 0;
1187             tk->i_npt = 0.;
1188             p_sys->i_pcr = 0;
1189             p_sys->i_npt = 0.;
1190             i_pcr = 0;
1191         }
1192     }
1193
1194     if( p_sys->b_multicast && p_sys->b_no_data &&
1195         ( p_sys->i_no_data_ti > 120 ) )
1196     {
1197         /* FIXME Make this configurable
1198         msg_Err( p_demux, "no multicast data received in 36s, aborting" );
1199         return 0;
1200         */
1201     }
1202     else if( !p_sys->b_multicast && p_sys->b_no_data &&
1203              ( p_sys->i_no_data_ti > 34 ) )
1204     {
1205         bool b_rtsp_tcp = var_GetBool( p_demux, "rtsp-tcp" ) ||
1206                                 var_GetBool( p_demux, "rtsp-http" );
1207
1208         if( !b_rtsp_tcp && p_sys->rtsp && p_sys->ms )
1209         {
1210             msg_Warn( p_demux, "no data received in 10s. Switching to TCP" );
1211             if( RollOverTcp( p_demux ) )
1212             {
1213                 msg_Err( p_demux, "TCP rollover failed, aborting" );
1214                 return 0;
1215             }
1216             return 1;
1217         }
1218         msg_Err( p_demux, "no data received in 10s, aborting" );
1219         return 0;
1220     }
1221     else if( !p_sys->b_multicast && p_sys->i_no_data_ti > 34 )
1222     {
1223         /* EOF ? */
1224         msg_Warn( p_demux, "no data received in 10s, eof ?" );
1225         return 0;
1226     }
1227     return p_demux->b_error ? 0 : 1;
1228 }
1229
1230 /*****************************************************************************
1231  * Control:
1232  *****************************************************************************/
1233 static int Control( demux_t *p_demux, int i_query, va_list args )
1234 {
1235     demux_sys_t *p_sys = p_demux->p_sys;
1236     int64_t *pi64, i64;
1237     double  *pf, f;
1238     bool *pb, *pb2, b_bool;
1239     int *pi_int;
1240
1241     switch( i_query )
1242     {
1243         case DEMUX_GET_TIME:
1244             pi64 = (int64_t*)va_arg( args, int64_t * );
1245             if( p_sys->i_npt > 0 )
1246             {
1247                 *pi64 = (int64_t)(p_sys->i_npt * 1000000.);
1248                 return VLC_SUCCESS;
1249             }
1250             return VLC_EGENERIC;
1251
1252         case DEMUX_GET_LENGTH:
1253             pi64 = (int64_t*)va_arg( args, int64_t * );
1254             if( p_sys->i_npt_length > 0 )
1255             {
1256                 *pi64 = (int64_t)((double)p_sys->i_npt_length * 1000000.0);
1257                 return VLC_SUCCESS;
1258             }
1259             return VLC_EGENERIC;
1260
1261         case DEMUX_GET_POSITION:
1262             pf = (double*)va_arg( args, double* );
1263             if( (p_sys->i_npt_length > 0) && (p_sys->i_npt > 0) )
1264             {
1265                 *pf = ( (double)p_sys->i_npt / (double)p_sys->i_npt_length );
1266                 return VLC_SUCCESS;
1267             }
1268             return VLC_EGENERIC;
1269
1270         case DEMUX_SET_POSITION:
1271         case DEMUX_SET_TIME:
1272             if( p_sys->rtsp && (p_sys->i_npt_length > 0) )
1273             {
1274                 int i;
1275                 float time;
1276
1277                 if( (i_query == DEMUX_SET_TIME) && (p_sys->i_npt > 0) )
1278                 {
1279                     i64 = (int64_t)va_arg( args, int64_t );
1280                     time = (float)((double)i64 / (double)1000000.0); /* in second */
1281                 }
1282                 else if( i_query == DEMUX_SET_TIME )
1283                     return VLC_EGENERIC;
1284                 else
1285                 {
1286                     f = (double)va_arg( args, double );
1287                     time = f * (double)p_sys->i_npt_length;   /* in second */
1288                 }
1289
1290                 if( !p_sys->rtsp->playMediaSession( *p_sys->ms, time, -1, 1 ) )
1291                 {
1292                     msg_Err( p_demux, "PLAY failed %s",
1293                         p_sys->env->getResultMsg() );
1294                     return VLC_EGENERIC;
1295                 }
1296                 p_sys->i_pcr = 0;
1297
1298                 /* Retrieve RTP-Info values */
1299                 for( i = 0; i < p_sys->i_track; i++ )
1300                 {
1301                     p_sys->track[i]->b_rtcp_sync = false;
1302                     p_sys->track[i]->i_pts = 0;
1303                 }
1304
1305                 /* Retrieve the starttime if possible */
1306                 p_sys->i_npt = p_sys->i_npt_start = p_sys->ms->playStartTime();
1307
1308                 /* Retrieve the duration if possible */
1309                 p_sys->i_npt_length = p_sys->ms->playEndTime();
1310
1311                 msg_Dbg( p_demux, "seek start: %f stop:%f", p_sys->i_npt_start, p_sys->i_npt_length );
1312                 return VLC_SUCCESS;
1313             }
1314             return VLC_EGENERIC;
1315
1316         /* Special for access_demux */
1317         case DEMUX_CAN_PAUSE:
1318         case DEMUX_CAN_SEEK:
1319             pb = (bool*)va_arg( args, bool * );
1320             if( p_sys->rtsp && p_sys->i_npt_length > 0 )
1321                 /* Not always true, but will be handled in SET_PAUSE_STATE */
1322                 *pb = true;
1323             else
1324                 *pb = false;
1325             return VLC_SUCCESS;
1326
1327         case DEMUX_CAN_CONTROL_PACE:
1328             pb = (bool*)va_arg( args, bool * );
1329
1330 #if 1       /* Disable for now until we have a clock synchro algo
1331              * which works with something else than MPEG over UDP */
1332             *pb = false;
1333 #else
1334             *pb = true;
1335 #endif
1336             return VLC_SUCCESS;
1337
1338         case DEMUX_CAN_CONTROL_RATE:
1339             pb = (bool*)va_arg( args, bool * );
1340             pb2 = (bool*)va_arg( args, bool * );
1341
1342             *pb = (p_sys->rtsp != NULL) &&
1343                     (p_sys->i_npt_length > 0) &&
1344                     !var_GetBool( p_demux, "rtsp-kasenna" );
1345             *pb2 = false;
1346             return VLC_SUCCESS;
1347
1348         case DEMUX_SET_RATE:
1349         {
1350             double f_scale, f_old_scale;
1351
1352             if( !p_sys->rtsp || (p_sys->i_npt_length <= 0) ||
1353                 var_GetBool( p_demux, "rtsp-kasenna" ) )
1354                 return VLC_EGENERIC;
1355
1356             /* According to RFC 2326 p56 chapter 12.35 a RTSP server that
1357              * supports Scale:
1358              *
1359              * "[...] should try to approximate the viewing rate, but
1360              *  may restrict the range of scale values that it supports.
1361              *  The response MUST contain the actual scale value chosen
1362              *  by the server."
1363              *
1364              * Scale = 1 indicates normal play
1365              * Scale > 1 indicates fast forward
1366              * Scale < 1 && Scale > 0 indicates slow motion
1367              * Scale < 0 value indicates rewind
1368              */
1369
1370             pi_int = (int*)va_arg( args, int * );
1371             f_scale = (double)INPUT_RATE_DEFAULT / (*pi_int);
1372             f_old_scale = p_sys->ms->scale();
1373
1374             /* Passing -1 for the start and end time will mean liveMedia won't
1375              * create a Range: section for the RTSP message. The server should
1376              * pick up from the current position */
1377             if( !p_sys->rtsp->playMediaSession( *p_sys->ms, -1, -1, f_scale ) )
1378             {
1379                 msg_Err( p_demux, "PLAY with Scale %0.2f failed %s", f_scale,
1380                         p_sys->env->getResultMsg() );
1381                 return VLC_EGENERIC;
1382             }
1383
1384             if( p_sys->ms->scale() == f_old_scale )
1385             {
1386                 msg_Err( p_demux, "no scale change using old Scale %0.2f",
1387                           p_sys->ms->scale() );
1388                 return VLC_EGENERIC;
1389             }
1390
1391             /* ReSync the stream */
1392             p_sys->i_npt_start = 0;
1393             p_sys->i_pcr = 0;
1394             p_sys->i_npt = 0.0;
1395
1396             *pi_int = (int)( INPUT_RATE_DEFAULT / p_sys->ms->scale() );
1397             msg_Dbg( p_demux, "PLAY with new Scale %0.2f (%d)", p_sys->ms->scale(), (*pi_int) );
1398             return VLC_SUCCESS;
1399         }
1400
1401         case DEMUX_SET_PAUSE_STATE:
1402         {
1403             int i;
1404
1405             b_bool = (bool)va_arg( args, int );
1406             if( p_sys->rtsp == NULL )
1407                 return VLC_EGENERIC;
1408
1409             /* FIXME */
1410             if( ( b_bool && !p_sys->rtsp->pauseMediaSession( *p_sys->ms ) ) ||
1411                     ( !b_bool && !p_sys->rtsp->playMediaSession( *p_sys->ms,
1412                        -1 ) ) )
1413             {
1414                     msg_Err( p_demux, "PLAY or PAUSE failed %s", p_sys->env->getResultMsg() );
1415                     return VLC_EGENERIC;
1416             }
1417
1418             /* When we Pause, we'll need the TimeoutPrevention thread to
1419              * handle sending the "Keep Alive" message to the server.
1420              * Unfortunately Live555 isn't thread safe and so can't
1421              * do this normally while the main Demux thread is handling
1422              * a live stream. We end up with the Timeout thread blocking
1423              * waiting for a response from the server. So when we PAUSE
1424              * we set a flag that the TimeoutPrevention function will check
1425              * and if it's set, it will trigger the GET_PARAMETER message */
1426             if( b_bool && p_sys->p_timeout != NULL )
1427                 p_sys->p_timeout->b_handle_keep_alive = true;
1428             else if( !b_bool && p_sys->p_timeout != NULL )
1429                 p_sys->p_timeout->b_handle_keep_alive = false;
1430
1431             for( i = 0; !b_bool && i < p_sys->i_track; i++ )
1432             {
1433                 live_track_t *tk = p_sys->track[i];
1434                 tk->b_rtcp_sync = false;
1435                 tk->i_pts = 0;
1436                 p_sys->i_pcr = 0;
1437                 es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
1438             }
1439
1440             /* Retrieve the starttime if possible */
1441             p_sys->i_npt_start = p_sys->ms->playStartTime();
1442
1443             /* Retrieve the duration if possible */
1444             p_sys->i_npt_length = p_sys->ms->playEndTime();
1445
1446             msg_Dbg( p_demux, "pause start: %f stop:%f", p_sys->i_npt_start, p_sys->i_npt_length );
1447             return VLC_SUCCESS;
1448         }
1449         case DEMUX_GET_TITLE_INFO:
1450         case DEMUX_SET_TITLE:
1451         case DEMUX_SET_SEEKPOINT:
1452             return VLC_EGENERIC;
1453
1454         case DEMUX_GET_PTS_DELAY:
1455             pi64 = (int64_t*)va_arg( args, int64_t * );
1456             *pi64 = (int64_t)var_GetInteger( p_demux, "rtsp-caching" ) * 1000;
1457             return VLC_SUCCESS;
1458
1459         default:
1460             return VLC_EGENERIC;
1461     }
1462 }
1463
1464 /*****************************************************************************
1465  * RollOverTcp: reopen the rtsp into TCP mode
1466  * XXX: ugly, a lot of code are duplicated from Open()
1467  * This should REALLY be fixed
1468  *****************************************************************************/
1469 static int RollOverTcp( demux_t *p_demux )
1470 {
1471     demux_sys_t *p_sys = p_demux->p_sys;
1472     int i, i_return;
1473
1474     var_SetBool( p_demux, "rtsp-tcp", true );
1475
1476     /* We close the old RTSP session */
1477     for( i = 0; i < p_sys->i_track; i++ )
1478     {
1479         live_track_t *tk = p_sys->track[i];
1480
1481         if( tk->b_muxed ) stream_Delete( tk->p_out_muxed );
1482         if( tk->p_es ) es_out_Del( p_demux->out, tk->p_es );
1483         es_format_Clean( &tk->fmt );
1484         free( tk->p_buffer );
1485         free( tk );
1486     }
1487     if( p_sys->i_track ) free( p_sys->track );
1488     if( p_sys->p_out_asf ) stream_Delete( p_sys->p_out_asf );
1489
1490     p_sys->rtsp->teardownMediaSession( *p_sys->ms );
1491     Medium::close( p_sys->ms );
1492     RTSPClient::close( p_sys->rtsp );
1493
1494     p_sys->ms = NULL;
1495     p_sys->rtsp = NULL;
1496     p_sys->track = NULL;
1497     p_sys->i_track = 0;
1498     p_sys->b_no_data = true;
1499     p_sys->i_no_data_ti = 0;
1500
1501     /* Reopen rtsp client */
1502     if( ( i_return = Connect( p_demux ) ) != VLC_SUCCESS )
1503     {
1504         msg_Err( p_demux, "Failed to connect with rtsp://%s",
1505                  p_sys->psz_path );
1506         goto error;
1507     }
1508
1509     if( p_sys->p_sdp == NULL )
1510     {
1511         msg_Err( p_demux, "Failed to retrieve the RTSP Session Description" );
1512         goto error;
1513     }
1514
1515     if( ( i_return = SessionsSetup( p_demux ) ) != VLC_SUCCESS )
1516     {
1517         msg_Err( p_demux, "Nothing to play for rtsp://%s", p_sys->psz_path );
1518         goto error;
1519     }
1520
1521     if( ( i_return = Play( p_demux ) ) != VLC_SUCCESS )
1522         goto error;
1523
1524     return VLC_SUCCESS;
1525
1526 error:
1527     return VLC_EGENERIC;
1528 }
1529
1530
1531 /*****************************************************************************
1532  *
1533  *****************************************************************************/
1534 static void StreamRead( void *p_private, unsigned int i_size,
1535                         unsigned int i_truncated_bytes, struct timeval pts,
1536                         unsigned int duration )
1537 {
1538     live_track_t   *tk = (live_track_t*)p_private;
1539     demux_t        *p_demux = tk->p_demux;
1540     demux_sys_t    *p_sys = p_demux->p_sys;
1541     block_t        *p_block;
1542
1543     //msg_Dbg( p_demux, "pts: %d", pts.tv_sec );
1544
1545     int64_t i_pts = (int64_t)pts.tv_sec * INT64_C(1000000) +
1546         (int64_t)pts.tv_usec;
1547
1548     /* XXX Beurk beurk beurk Avoid having negative value XXX */
1549     i_pts &= INT64_C(0x00ffffffffffffff);
1550
1551     /* Retrieve NPT for this pts */
1552     tk->i_npt = tk->sub->getNormalPlayTime(pts);
1553
1554     if( tk->b_quicktime && tk->p_es == NULL )
1555     {
1556         QuickTimeGenericRTPSource *qtRTPSource =
1557             (QuickTimeGenericRTPSource*)tk->sub->rtpSource();
1558         QuickTimeGenericRTPSource::QTState &qtState = qtRTPSource->qtState;
1559         uint8_t *sdAtom = (uint8_t*)&qtState.sdAtom[4];
1560
1561         if( tk->fmt.i_cat == VIDEO_ES ) {
1562             if( qtState.sdAtomSize < 16 + 32 )
1563             {
1564                 /* invalid */
1565                 p_sys->event = 0xff;
1566                 tk->waiting = 0;
1567                 return;
1568             }
1569             tk->fmt.i_codec = VLC_FOURCC(sdAtom[0],sdAtom[1],sdAtom[2],sdAtom[3]);
1570             tk->fmt.video.i_width  = (sdAtom[28] << 8) | sdAtom[29];
1571             tk->fmt.video.i_height = (sdAtom[30] << 8) | sdAtom[31];
1572
1573             if( tk->fmt.i_codec == VLC_FOURCC('a', 'v', 'c', '1') )
1574             {
1575                 uint8_t *pos = (uint8_t*)qtRTPSource->qtState.sdAtom + 86;
1576                 uint8_t *endpos = (uint8_t*)qtRTPSource->qtState.sdAtom
1577                                   + qtRTPSource->qtState.sdAtomSize;
1578                 while (pos+8 < endpos) {
1579                     unsigned int atomLength = pos[0]<<24 | pos[1]<<16 | pos[2]<<8 | pos[3];
1580                     if( atomLength == 0 || atomLength > (unsigned int)(endpos-pos)) break;
1581                     if( memcmp(pos+4, "avcC", 4) == 0 &&
1582                         atomLength > 8 &&
1583                         atomLength <= INT_MAX )
1584                     {
1585                         tk->fmt.i_extra = atomLength-8;
1586                         tk->fmt.p_extra = malloc( tk->fmt.i_extra );
1587                         memcpy(tk->fmt.p_extra, pos+8, atomLength-8);
1588                         break;
1589                     }
1590                     pos += atomLength;
1591                 }
1592             }
1593             else
1594             {
1595                 tk->fmt.i_extra        = qtState.sdAtomSize - 16;
1596                 tk->fmt.p_extra        = malloc( tk->fmt.i_extra );
1597                 memcpy( tk->fmt.p_extra, &sdAtom[12], tk->fmt.i_extra );
1598             }
1599         }
1600         else {
1601             if( qtState.sdAtomSize < 4 )
1602             {
1603                 /* invalid */
1604                 p_sys->event = 0xff;
1605                 tk->waiting = 0;
1606                 return;
1607             }
1608             tk->fmt.i_codec = VLC_FOURCC(sdAtom[0],sdAtom[1],sdAtom[2],sdAtom[3]);
1609         }
1610         tk->p_es = es_out_Add( p_demux->out, &tk->fmt );
1611     }
1612
1613 #if 0
1614     fprintf( stderr, "StreamRead size=%d pts=%lld\n",
1615              i_size,
1616              pts.tv_sec * 1000000LL + pts.tv_usec );
1617 #endif
1618
1619     /* grow buffer if it looks like buffer is too small, but don't eat
1620      * up all the memory on strange streams */
1621     if( i_truncated_bytes > 0 && tk->i_buffer < 2000000 )
1622     {
1623         void *p_tmp;
1624         msg_Dbg( p_demux, "lost %d bytes", i_truncated_bytes );
1625         msg_Dbg( p_demux, "increasing buffer size to %d", tk->i_buffer * 2 );
1626         p_tmp = realloc( tk->p_buffer, tk->i_buffer * 2 );
1627         if( p_tmp == NULL )
1628         {
1629             msg_Warn( p_demux, "realloc failed" );
1630         }
1631         else
1632         {
1633             tk->p_buffer = (uint8_t*)p_tmp;
1634             tk->i_buffer *= 2;
1635         }
1636     }
1637
1638     assert( i_size <= tk->i_buffer );
1639
1640     if( tk->fmt.i_codec == VLC_CODEC_AMR_NB ||
1641         tk->fmt.i_codec == VLC_CODEC_AMR_WB )
1642     {
1643         AMRAudioSource *amrSource = (AMRAudioSource*)tk->sub->readSource();
1644
1645         p_block = block_New( p_demux, i_size + 1 );
1646         p_block->p_buffer[0] = amrSource->lastFrameHeader();
1647         memcpy( p_block->p_buffer + 1, tk->p_buffer, i_size );
1648     }
1649     else if( tk->fmt.i_codec == VLC_CODEC_H261 )
1650     {
1651         H261VideoRTPSource *h261Source = (H261VideoRTPSource*)tk->sub->rtpSource();
1652         uint32_t header = h261Source->lastSpecialHeader();
1653         p_block = block_New( p_demux, i_size + 4 );
1654         memcpy( p_block->p_buffer, &header, 4 );
1655         memcpy( p_block->p_buffer + 4, tk->p_buffer, i_size );
1656
1657         if( tk->sub->rtpSource()->curPacketMarkerBit() )
1658             p_block->i_flags |= BLOCK_FLAG_END_OF_FRAME;
1659     }
1660     else if( tk->fmt.i_codec == VLC_CODEC_H264 )
1661     {
1662         if( (tk->p_buffer[0] & 0x1f) >= 24 )
1663             msg_Warn( p_demux, "unsupported NAL type for H264" );
1664
1665         /* Normal NAL type */
1666         p_block = block_New( p_demux, i_size + 4 );
1667         p_block->p_buffer[0] = 0x00;
1668         p_block->p_buffer[1] = 0x00;
1669         p_block->p_buffer[2] = 0x00;
1670         p_block->p_buffer[3] = 0x01;
1671         memcpy( &p_block->p_buffer[4], tk->p_buffer, i_size );
1672     }
1673     else if( tk->b_asf )
1674     {
1675         int i_copy = __MIN( p_sys->asfh.i_min_data_packet_size, (int)i_size );
1676         p_block = block_New( p_demux, p_sys->asfh.i_min_data_packet_size );
1677
1678         memcpy( p_block->p_buffer, tk->p_buffer, i_copy );
1679     }
1680     else
1681     {
1682         p_block = block_New( p_demux, i_size );
1683         memcpy( p_block->p_buffer, tk->p_buffer, i_size );
1684     }
1685
1686     if( p_sys->i_pcr < i_pts )
1687     {
1688         p_sys->i_pcr = i_pts;
1689     }
1690
1691     if( (i_pts != tk->i_pts) && (!tk->b_muxed) )
1692     {
1693         p_block->i_pts = i_pts;
1694     }
1695
1696     /* Update our global npt value */
1697     if( tk->i_npt > 0 && tk->i_npt > p_sys->i_npt && tk->i_npt < p_sys->i_npt_length)
1698         p_sys->i_npt = tk->i_npt;
1699
1700     if( !tk->b_muxed )
1701     {
1702         /*FIXME: for h264 you should check that packetization-mode=1 in sdp-file */
1703         p_block->i_dts = ( tk->fmt.i_codec == VLC_CODEC_MPGV ) ? 0 : i_pts;
1704     }
1705
1706     if( tk->b_muxed )
1707     {
1708         stream_DemuxSend( tk->p_out_muxed, p_block );
1709     }
1710     else if( tk->b_asf )
1711     {
1712         stream_DemuxSend( p_sys->p_out_asf, p_block );
1713     }
1714     else
1715     {
1716         es_out_Send( p_demux->out, tk->p_es, p_block );
1717     }
1718
1719     /* warn that's ok */
1720     p_sys->event = 0xff;
1721
1722     /* we have read data */
1723     tk->waiting = 0;
1724     p_demux->p_sys->b_no_data = false;
1725     p_demux->p_sys->i_no_data_ti = 0;
1726
1727     if( i_pts > 0 && !tk->b_muxed )
1728     {
1729         tk->i_pts = i_pts;
1730     }
1731 }
1732
1733 /*****************************************************************************
1734  *
1735  *****************************************************************************/
1736 static void StreamClose( void *p_private )
1737 {
1738     live_track_t   *tk = (live_track_t*)p_private;
1739     demux_t        *p_demux = tk->p_demux;
1740     demux_sys_t    *p_sys = p_demux->p_sys;
1741
1742     msg_Dbg( p_demux, "StreamClose" );
1743
1744     p_sys->event = 0xff;
1745     p_demux->b_error = true;
1746 }
1747
1748
1749 /*****************************************************************************
1750  *
1751  *****************************************************************************/
1752 static void TaskInterrupt( void *p_private )
1753 {
1754     demux_t *p_demux = (demux_t*)p_private;
1755
1756     p_demux->p_sys->i_no_data_ti++;
1757
1758     /* Avoid lock */
1759     p_demux->p_sys->event = 0xff;
1760 }
1761
1762 /*****************************************************************************
1763  *
1764  *****************************************************************************/
1765 static void* TimeoutPrevention( void *p_data )
1766 {
1767     timeout_thread_t *p_timeout = (timeout_thread_t *)p_data;
1768
1769     for( ;; )
1770     {
1771         /* Voodoo (= no) thread safety here! *Ahem* */
1772         if( p_timeout->b_handle_keep_alive )
1773         {
1774             char *psz_bye = NULL;
1775             int canc = vlc_savecancel ();
1776
1777             p_timeout->p_sys->rtsp->getMediaSessionParameter( *p_timeout->p_sys->ms, NULL, psz_bye );
1778             vlc_restorecancel (canc);
1779         }
1780         p_timeout->p_sys->b_timeout_call = !p_timeout->b_handle_keep_alive;
1781
1782         msleep (((int64_t)p_timeout->p_sys->i_timeout - 2) * CLOCK_FREQ);
1783     }
1784     assert(0); /* dead code */
1785 }
1786
1787 /*****************************************************************************
1788  *
1789  *****************************************************************************/
1790 static int ParseASF( demux_t *p_demux )
1791 {
1792     demux_sys_t    *p_sys = p_demux->p_sys;
1793
1794     const char *psz_marker = "a=pgmpu:data:application/vnd.ms.wms-hdr.asfv1;base64,";
1795     char *psz_asf = strcasestr( p_sys->p_sdp, psz_marker );
1796     char *psz_end;
1797     block_t *p_header;
1798
1799     /* Parse the asf header */
1800     if( psz_asf == NULL )
1801         return VLC_EGENERIC;
1802
1803     psz_asf += strlen( psz_marker );
1804     psz_asf = strdup( psz_asf );    /* Duplicate it */
1805     psz_end = strchr( psz_asf, '\n' );
1806
1807     while( psz_end > psz_asf && ( *psz_end == '\n' || *psz_end == '\r' ) )
1808         *psz_end-- = '\0';
1809
1810     if( psz_asf >= psz_end )
1811     {
1812         free( psz_asf );
1813         return VLC_EGENERIC;
1814     }
1815
1816     /* Always smaller */
1817     p_header = block_New( p_demux, psz_end - psz_asf );
1818     p_header->i_buffer = vlc_b64_decode_binary_to_buffer( p_header->p_buffer,
1819                                                p_header->i_buffer, psz_asf );
1820     //msg_Dbg( p_demux, "Size=%d Hdrb64=%s", p_header->i_buffer, psz_asf );
1821     if( p_header->i_buffer <= 0 )
1822     {
1823         free( psz_asf );
1824         return VLC_EGENERIC;
1825     }
1826
1827     /* Parse it to get packet size */
1828     asf_HeaderParse( &p_sys->asfh, p_header->p_buffer, p_header->i_buffer );
1829
1830     /* Send it to demuxer */
1831     stream_DemuxSend( p_sys->p_out_asf, p_header );
1832
1833     free( psz_asf );
1834     return VLC_SUCCESS;
1835 }
1836
1837
1838 static unsigned char* parseH264ConfigStr( char const* configStr,
1839                                           unsigned int& configSize )
1840 {
1841     char *dup, *psz;
1842     size_t i_records = 1;
1843
1844     configSize = 0;
1845
1846     if( configStr == NULL || *configStr == '\0' )
1847         return NULL;
1848
1849     psz = dup = strdup( configStr );
1850
1851     /* Count the number of commas */
1852     for( psz = dup; *psz != '\0'; ++psz )
1853     {
1854         if( *psz == ',')
1855         {
1856             ++i_records;
1857             *psz = '\0';
1858         }
1859     }
1860
1861     size_t configMax = 5*strlen(dup);
1862     unsigned char *cfg = new unsigned char[configMax];
1863     psz = dup;
1864     for( size_t i = 0; i < i_records; ++i )
1865     {
1866         cfg[configSize++] = 0x00;
1867         cfg[configSize++] = 0x00;
1868         cfg[configSize++] = 0x00;
1869         cfg[configSize++] = 0x01;
1870
1871         configSize += vlc_b64_decode_binary_to_buffer( cfg+configSize,
1872                                           configMax-configSize, psz );
1873         psz += strlen(psz)+1;
1874     }
1875
1876     free( dup );
1877     return cfg;
1878 }