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
  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
  52
  53 #if defined( WIN32 )
  54 #   include <winsock2.h>
  55 #endif
  56
  57 #include "UsageEnvironment.hh"
  58 #include "BasicUsageEnvironment.hh"
  59 #include "GroupsockHelper.hh"
  60 #include "liveMedia.hh"
  61
  62 extern "C" {
  63 #include "../access/mms/asf.h"  /* Who said ugly ? */
  64 }
  65
  66 using namespace std;
  67
  68 /*****************************************************************************
  69  * Module descriptor
  70  *****************************************************************************/
  71 static int  Open ( vlc_object_t * );
  72 static void Close( vlc_object_t * );
  73
  74 #define CACHING_TEXT N_("Caching value (ms)")
  75 #define CACHING_LONGTEXT N_( \
  76     "Allows you to modify the default caching value for RTSP streams. This " \
  77     "value should be set in millisecond units." )
  78
  79 #define KASENNA_TEXT N_( "Kasenna RTSP dialect")
  80 #define KASENNA_LONGTEXT N_( "Kasenna servers use an old and unstandard " \
  81     "dialect of RTSP. When you set this parameter, VLC will try this dialect "\
  82     "for communication. In this mode you cannot connect to normal RTSP servers." )
  83
  84 #define USER_TEXT N_("RTSP user name")
  85 #define USER_LONGTEXT N_("Allows you to modify the user name that will " \
  86     "be used for authenticating the connection.")
  87 #define PASS_TEXT N_("RTSP password")
  88 #define PASS_LONGTEXT N_("Allows you to modify the password that will be " \
  89     "used for the connection.")
  90
  91 vlc_module_begin();
  92     set_description( N_("RTP/RTSP/SDP demuxer (using Live555)" ) );
  93     set_capability( "demux", 50 );
  94     set_shortname( "RTP/RTSP");
  95     set_callbacks( Open, Close );
  96     add_shortcut( "live" );
  97     add_shortcut( "livedotcom" );
  98     set_category( CAT_INPUT );
  99     set_subcategory( SUBCAT_INPUT_DEMUX );
 100
 101     add_submodule();
 102         set_description( N_("RTSP/RTP access and demux") );
 103         add_shortcut( "rtsp" );
 104         add_shortcut( "sdp" );
 105         set_capability( "access_demux", 0 );
 106         set_callbacks( Open, Close );
 107         add_bool( "rtsp-tcp", 0, NULL,
 108                   N_("Use RTP over RTSP (TCP)"),
 109                   N_("Use RTP over RTSP (TCP)"), true );
 110         add_integer( "rtp-client-port", -1, NULL,
 111                   N_("Client port"),
 112                   N_("Port to use for the RTP source of the session"), true );
 113         add_bool( "rtsp-mcast", false, NULL,
 114                   N_("Force multicast RTP via RTSP"),
 115                   N_("Force multicast RTP via RTSP"), true );
 116         add_bool( "rtsp-http", 0, NULL,
 117                   N_("Tunnel RTSP and RTP over HTTP"),
 118                   N_("Tunnel RTSP and RTP over HTTP"), true );
 119         add_integer( "rtsp-http-port", 80, NULL,
 120                   N_("HTTP tunnel port"),
 121                   N_("Port to use for tunneling the RTSP/RTP over HTTP."),
 122                   true );
 123         add_integer("rtsp-caching", 4 * DEFAULT_PTS_DELAY / 1000, NULL,
 124                     CACHING_TEXT, CACHING_LONGTEXT, true );
 125         add_bool(   "rtsp-kasenna", false, NULL, KASENNA_TEXT,
 126                     KASENNA_LONGTEXT, true );
 127         add_string( "rtsp-user", NULL, NULL, USER_TEXT,
 128                     USER_LONGTEXT, true );
 129         add_string( "rtsp-pwd", NULL, NULL, PASS_TEXT,
 130                     PASS_LONGTEXT, true );
 131 vlc_module_end();
 132
 133
 134 /*****************************************************************************
 135  * Local prototypes
 136  *****************************************************************************/
 137
 138 typedef struct
 139 {
 140     demux_t         *p_demux;
 141     MediaSubsession *sub;
 142
 143     es_format_t     fmt;
 144     es_out_id_t     *p_es;
 145
 146     bool            b_muxed;
 147     bool            b_quicktime;
 148     bool            b_asf;
 149     stream_t        *p_out_muxed;    /* for muxed stream */
 150
 151     uint8_t         *p_buffer;
 152     unsigned int    i_buffer;
 153
 154     bool            b_rtcp_sync;
 155     char            waiting;
 156     int64_t         i_pts;
 157     float           i_npt;
 158
 159 } live_track_t;
 160
 161 struct timeout_thread_t
 162 {
 163     VLC_COMMON_MEMBERS
 164
 165     int64_t      i_remain;
 166     bool         b_handle_keep_alive;
 167     demux_sys_t  *p_sys;
 168 };
 169
 170 struct demux_sys_t
 171 {
 172     char            *p_sdp;    /* XXX mallocated */
 173     char            *psz_path; /* URL-encoded path */
 174     vlc_url_t       url;
 175
 176     MediaSession     *ms;
 177     TaskScheduler    *scheduler;
 178     UsageEnvironment *env ;
 179     RTSPClient       *rtsp;
 180
 181     /* */
 182     int              i_track;
 183     live_track_t     **track;   /* XXX mallocated */
 184
 185     /* Weird formats */
 186     asf_header_t     asfh;
 187     stream_t         *p_out_asf;
 188     bool             b_real;
 189
 190     /* */
 191     int64_t          i_pcr; /* The clock */
 192     float            i_npt;
 193     float            i_npt_length;
 194     float            i_npt_start;
 195
 196     /* timeout thread information */
 197     int              i_timeout;     /* session timeout value in seconds */
 198     bool             b_timeout_call;/* mark to send an RTSP call to prevent server timeout */
 199     timeout_thread_t *p_timeout;    /* the actual thread that makes sure we don't timeout */
 200
 201     /* */
 202     bool             b_force_mcast;
 203     bool             b_multicast;   /* if one of the tracks is multicasted */
 204     bool             b_no_data;     /* if we never received any data */
 205     int              i_no_data_ti;  /* consecutive number of TaskInterrupt */
 206
 207     char             event;
 208 };
 209
 210 static int Demux  ( demux_t * );
 211 static int Control( demux_t *, int, va_list );
 212
 213 static int Connect      ( demux_t * );
 214 static int SessionsSetup( demux_t * );
 215 static int Play         ( demux_t *);
 216 static int ParseASF     ( demux_t * );
 217 static int RollOverTcp  ( demux_t * );
 218
 219 static void StreamRead  ( void *, unsigned int, unsigned int,
 220                           struct timeval, unsigned int );
 221 static void StreamClose ( void * );
 222 static void TaskInterrupt( void * );
 223
 224 static void* TimeoutPrevention( vlc_object_t * );
 225
 226 static unsigned char* parseH264ConfigStr( char const* configStr,
 227                                           unsigned int& configSize );
 228
 229 /*****************************************************************************
 230  * DemuxOpen:
 231  *****************************************************************************/
 232 static int  Open ( vlc_object_t *p_this )
 233 {
 234     demux_t     *p_demux = (demux_t*)p_this;
 235     demux_sys_t *p_sys = NULL;
 236
 237     MediaSubsessionIterator *iter   = NULL;
 238     MediaSubsession         *sub    = NULL;
 239     int i, i_return;
 240     int i_error = VLC_EGENERIC;
 241
 242     if( p_demux->s )
 243     {
 244         /* See if it looks like a SDP
 245            v, o, s fields are mandatory and in this order */
 246         const uint8_t *p_peek;
 247         if( stream_Peek( p_demux->s, &p_peek, 7 ) < 7 ) return VLC_EGENERIC;
 248
 249         if( memcmp( p_peek, "v=0\r\n", 5 ) &&
 250             memcmp( p_peek, "v=0\n", 4 ) &&
 251             ( p_peek[0] < 'a' || p_peek[0] > 'z' || p_peek[1] != '=' ) )
 252         {
 253             return VLC_EGENERIC;
 254         }
 255     }
 256     else
 257     {
 258         var_Create( p_demux, "rtsp-caching", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
 259     }
 260
 261     p_demux->pf_demux  = Demux;
 262     p_demux->pf_control= Control;
 263     p_demux->p_sys     = p_sys = (demux_sys_t*)malloc( sizeof( demux_sys_t ) );
 264     if( !p_sys ) return VLC_ENOMEM;
 265
 266     p_sys->p_sdp = NULL;
 267     p_sys->scheduler = NULL;
 268     p_sys->env = NULL;
 269     p_sys->ms = NULL;
 270     p_sys->rtsp = NULL;
 271     p_sys->i_track = 0;
 272     p_sys->track   = NULL;
 273     p_sys->i_pcr = 0;
 274     p_sys->i_npt = 0.;
 275     p_sys->i_npt_start = 0.;
 276     p_sys->i_npt_length = 0.;
 277     p_sys->p_out_asf = NULL;
 278     p_sys->b_no_data = true;
 279     p_sys->i_no_data_ti = 0;
 280     p_sys->p_timeout = NULL;
 281     p_sys->i_timeout = 0;
 282     p_sys->b_timeout_call = false;
 283     p_sys->b_multicast = false;
 284     p_sys->b_real = false;
 285     p_sys->psz_path = strdup( p_demux->psz_path );
 286     p_sys->b_force_mcast = var_CreateGetBool( p_demux, "rtsp-mcast" );
 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_DemuxDelete( 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_DemuxDelete( p_sys->p_out_asf );
 407     if( p_sys->rtsp && p_sys->ms ) p_sys->rtsp->teardownMediaSession( *p_sys->ms );
 408     if( p_sys->ms ) Medium::close( p_sys->ms );
 409     if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp );
 410     if( p_sys->env ) p_sys->env->reclaim();
 411     if( p_sys->p_timeout )
 412     {
 413         vlc_object_kill( p_sys->p_timeout );
 414         vlc_thread_join( p_sys->p_timeout );
 415         vlc_object_detach( p_sys->p_timeout );
 416         vlc_object_release( p_sys->p_timeout );
 417     }
 418     delete p_sys->scheduler;
 419     free( p_sys->p_sdp );
 420     free( p_sys->psz_path );
 421
 422     vlc_UrlClean( &p_sys->url );
 423
 424     free( p_sys );
 425     return i_error;
 426 }
 427
 428 /*****************************************************************************
 429  * DemuxClose:
 430  *****************************************************************************/
 431 static void Close( vlc_object_t *p_this )
 432 {
 433     demux_t *p_demux = (demux_t*)p_this;
 434     demux_sys_t *p_sys = p_demux->p_sys;
 435     int i;
 436
 437     for( i = 0; i < p_sys->i_track; i++ )
 438     {
 439         live_track_t *tk = p_sys->track[i];
 440
 441         if( tk->b_muxed ) stream_DemuxDelete( tk->p_out_muxed );
 442         es_format_Clean( &tk->fmt );
 443         free( tk->p_buffer );
 444         free( tk );
 445     }
 446
 447     if( p_sys->i_track ) free( p_sys->track );
 448     if( p_sys->p_out_asf ) stream_DemuxDelete( p_sys->p_out_asf );
 449     if( p_sys->rtsp && p_sys->ms ) p_sys->rtsp->teardownMediaSession( *p_sys->ms );
 450     if( p_sys->ms ) Medium::close( p_sys->ms );
 451     if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp );
 452     if( p_sys->env ) p_sys->env->reclaim();
 453     if( p_sys->p_timeout )
 454     {
 455         vlc_object_kill( p_sys->p_timeout );
 456         vlc_thread_join( p_sys->p_timeout );
 457         vlc_object_detach( p_sys->p_timeout );
 458         vlc_object_release( p_sys->p_timeout );
 459     }
 460     delete p_sys->scheduler;
 461     free( p_sys->p_sdp );
 462     free( p_sys->psz_path );
 463
 464     vlc_UrlClean( &p_sys->url );
 465
 466     free( p_sys );
 467 }
 468
 469 /*****************************************************************************
 470  * Connect: connects to the RTSP server to setup the session DESCRIBE
 471  *****************************************************************************/
 472 static int Connect( demux_t *p_demux )
 473 {
 474     demux_sys_t *p_sys = p_demux->p_sys;
 475     Authenticator authenticator;
 476     bool b_firstpass  = true;
 477     char *psz_user    = NULL;
 478     char *psz_pwd     = NULL;
 479     char *psz_url     = NULL;
 480     char *psz_options = NULL;
 481     char *p_sdp       = NULL;
 482     int  i_http_port  = 0;
 483     int  i_ret        = VLC_SUCCESS;
 484     int i_lefttries;
 485
 486     if( p_sys->url.i_port == 0 ) p_sys->url.i_port = 554;
 487     if( p_sys->url.psz_username || p_sys->url.psz_password )
 488     {
 489         int err;
 490         err = asprintf( &psz_url, "rtsp://%s:%d%s", p_sys->url.psz_host,
 491                         p_sys->url.i_port, p_sys->url.psz_path );
 492         if( err == -1 ) return VLC_ENOMEM;
 493
 494         psz_user = strdup( p_sys->url.psz_username );
 495         psz_pwd  = strdup( p_sys->url.psz_password );
 496     }
 497     else
 498     {
 499         int err;
 500         err = asprintf( &psz_url, "rtsp://%s", p_sys->psz_path );
 501         if( err == -1 ) return VLC_ENOMEM;
 502
 503         psz_user = var_CreateGetString( p_demux, "rtsp-user" );
 504         psz_pwd  = var_CreateGetString( p_demux, "rtsp-pwd" );
 505     }
 506
 507     i_lefttries = 3;
 508 createnew:
 509     i_lefttries--;
 510     if( !vlc_object_alive (p_demux) || p_demux->b_error )
 511     {
 512         free( psz_user );
 513         free( psz_pwd );
 514         free( psz_url );
 515         return VLC_EGENERIC;
 516     }
 517
 518     if( var_CreateGetBool( p_demux, "rtsp-http" ) )
 519         i_http_port = var_CreateGetInteger( p_demux, "rtsp-http-port" );
 520
 521     if( ( p_sys->rtsp = RTSPClient::createNew( *p_sys->env,
 522           var_CreateGetInteger( p_demux, "verbose" ) > 1,
 523           "VLC media player", i_http_port ) ) == NULL )
 524     {
 525         msg_Err( p_demux, "RTSPClient::createNew failed (%s)",
 526                  p_sys->env->getResultMsg() );
 527         free( psz_user );
 528         free( psz_pwd );
 529         free( psz_url );
 530         return VLC_EGENERIC;
 531     }
 532
 533     /* Kasenna enables KeepAlive by analysing the User-Agent string.
 534      * Appending _KA to the string should be enough to enable this feature,
 535      * however, there is a bug where the _KA doesn't get parsed from the
 536      * default User-Agent as created by VLC/Live555 code. This is probably due
 537      * to spaces in the string or the string being too long. Here we override
 538      * the default string with a more compact version.
 539      */
 540     if( var_CreateGetBool( p_demux, "rtsp-kasenna" ))
 541     {
 542         p_sys->rtsp->setUserAgentString( "VLC_MEDIA_PLAYER_KA" );
 543     }
 544
 545 describe:
 546     authenticator.setUsernameAndPassword( (const char*)psz_user,
 547                                           (const char*)psz_pwd );
 548
 549     psz_options = p_sys->rtsp->sendOptionsCmd( psz_url, psz_user, psz_pwd,
 550                                                &authenticator );
 551     delete [] psz_options;
 552
 553     p_sdp = p_sys->rtsp->describeURL( psz_url, &authenticator,
 554                          var_GetBool( p_demux, "rtsp-kasenna" ) );
 555     if( p_sdp == NULL )
 556     {
 557         /* failure occurred */
 558         int i_code = 0;
 559         const char *psz_error = p_sys->env->getResultMsg();
 560
 561         if( var_GetBool( p_demux, "rtsp-http" ) )
 562             sscanf( psz_error, "%*s %*s HTTP GET %*s HTTP/%*u.%*u %3u %*s",
 563                     &i_code );
 564         else
 565         {
 566             const char *psz_tmp = strstr( psz_error, "RTSP" );
 567             if( psz_tmp )
 568                 sscanf( psz_tmp, "RTSP/%*s%3u", &i_code );
 569             else
 570                 i_code = 0;
 571         }
 572         msg_Dbg( p_demux, "DESCRIBE failed with %d: %s", i_code, psz_error );
 573
 574         if( b_firstpass )
 575         {   /* describeURL always returns an "RTSP/1.0 401 Unauthorized" the
 576              * first time. This is a workaround to avoid asking for a
 577              * user/passwd the first time the code passess here. */
 578             i_code = 0;
 579             b_firstpass = false;
 580         }
 581
 582         if( i_code == 401 )
 583         {
 584             int i_result;
 585             msg_Dbg( p_demux, "authentication failed" );
 586
 587             free( psz_user );
 588             free( psz_pwd );
 589             psz_user = psz_pwd = NULL;
 590
 591             i_result = intf_UserLoginPassword( p_demux, _("RTSP authentication"),
 592                            _("Please enter a valid login name and a password."),
 593                                                    &psz_user, &psz_pwd );
 594             if( i_result == DIALOG_OK_YES )
 595             {
 596                 msg_Dbg( p_demux, "retrying with user=%s, pwd=%s",
 597                          psz_user, psz_pwd );
 598                 goto describe;
 599             }
 600         }
 601         else if( (i_code != 0) && !var_GetBool( p_demux, "rtsp-http" ) )
 602         {
 603             /* Perhaps a firewall is being annoying. Try HTTP tunneling mode */
 604             vlc_value_t val;
 605             val.b_bool = true;
 606             msg_Dbg( p_demux, "we will now try HTTP tunneling mode" );
 607             var_Set( p_demux, "rtsp-http", val );
 608             if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp );
 609             p_sys->rtsp = NULL;
 610             goto createnew;
 611         }
 612         else
 613         {
 614             msg_Dbg( p_demux, "connection timeout, retrying" );
 615             if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp );
 616             p_sys->rtsp = NULL;
 617             if( i_lefttries > 0 )
 618                 goto createnew;
 619         }
 620         i_ret = VLC_EGENERIC;
 621     }
 622
 623     /* malloc-ated copy */
 624     free( psz_url );
 625     free( psz_user );
 626     free( psz_pwd );
 627
 628     free( p_sys->p_sdp );
 629     p_sys->p_sdp = NULL;
 630     if( p_sdp ) p_sys->p_sdp = strdup( (char*)p_sdp );
 631     delete[] p_sdp;
 632
 633     return i_ret;
 634 }
 635
 636 /*****************************************************************************
 637  * SessionsSetup: prepares the subsessions and does the SETUP
 638  *****************************************************************************/
 639 static int SessionsSetup( demux_t *p_demux )
 640 {
 641     demux_sys_t             *p_sys  = p_demux->p_sys;
 642     MediaSubsessionIterator *iter   = NULL;
 643     MediaSubsession         *sub    = NULL;
 644
 645     bool           b_rtsp_tcp = false;
 646     int            i_client_port;
 647     int            i_return = VLC_SUCCESS;
 648     unsigned int   i_buffer = 0;
 649     unsigned const thresh = 200000; /* RTP reorder threshold .2 second (default .1) */
 650
 651     b_rtsp_tcp    = var_CreateGetBool( p_demux, "rtsp-tcp" ) ||
 652                     var_GetBool( p_demux, "rtsp-http" );
 653     i_client_port = var_CreateGetInteger( p_demux, "rtp-client-port" );
 654
 655     /* Create the session from the SDP */
 656     if( !( p_sys->ms = MediaSession::createNew( *p_sys->env, p_sys->p_sdp ) ) )
 657     {
 658         msg_Err( p_demux, "Could not create the RTSP Session: %s",
 659             p_sys->env->getResultMsg() );
 660         return VLC_EGENERIC;
 661     }
 662
 663     /* Initialise each media subsession */
 664     iter = new MediaSubsessionIterator( *p_sys->ms );
 665     while( ( sub = iter->next() ) != NULL )
 666     {
 667         Boolean bInit;
 668         live_track_t *tk;
 669
 670         if( !vlc_object_alive (p_demux) || p_demux->b_error )
 671         {
 672             delete iter;
 673             return VLC_EGENERIC;
 674         }
 675
 676         /* Value taken from mplayer */
 677         if( !strcmp( sub->mediumName(), "audio" ) )
 678             i_buffer = 100000;
 679         else if( !strcmp( sub->mediumName(), "video" ) )
 680             i_buffer = 2000000;
 681         else continue;
 682
 683         if( i_client_port != -1 )
 684         {
 685             sub->setClientPortNum( i_client_port );
 686             i_client_port += 2;
 687         }
 688
 689         if( strcasestr( sub->codecName(), "REAL" ) )
 690         {
 691             msg_Info( p_demux, "real codec detected, using real-RTSP instead" );
 692             p_sys->b_real = true; /* This is a problem, we'll handle it later */
 693             continue;
 694         }
 695
 696         if( !strcmp( sub->codecName(), "X-ASF-PF" ) )
 697             bInit = sub->initiate( 4 ); /* Constant ? */
 698         else
 699             bInit = sub->initiate();
 700
 701         if( !bInit )
 702         {
 703             msg_Warn( p_demux, "RTP subsession '%s/%s' failed (%s)",
 704                       sub->mediumName(), sub->codecName(),
 705                       p_sys->env->getResultMsg() );
 706         }
 707         else
 708         {
 709             if( sub->rtpSource() != NULL )
 710             {
 711                 int fd = sub->rtpSource()->RTPgs()->socketNum();
 712
 713                 /* Increase the buffer size */
 714                 if( i_buffer > 0 )
 715                     increaseReceiveBufferTo( *p_sys->env, fd, i_buffer );
 716
 717                 /* Increase the RTP reorder timebuffer just a bit */
 718                 sub->rtpSource()->setPacketReorderingThresholdTime(thresh);
 719             }
 720             msg_Dbg( p_demux, "RTP subsession '%s/%s'", sub->mediumName(),
 721                      sub->codecName() );
 722
 723             /* Issue the SETUP */
 724             if( p_sys->rtsp )
 725             {
 726                 if( !p_sys->rtsp->setupMediaSubsession( *sub, False,
 727                                            b_rtsp_tcp ? True : False,
 728                                            ( p_sys->b_force_mcast && !b_rtsp_tcp ) ? True : False ) )
 729                 {
 730                     /* if we get an unsupported transport error, toggle TCP use and try again */
 731                     if( !strstr(p_sys->env->getResultMsg(), "461 Unsupported Transport")
 732                      || !p_sys->rtsp->setupMediaSubsession( *sub, False,
 733                                            b_rtsp_tcp ? False : True,
 734                                            False ) )
 735                     {
 736                         msg_Err( p_demux, "SETUP of'%s/%s' failed %s", sub->mediumName(),
 737                                  sub->codecName(), p_sys->env->getResultMsg() );
 738                         continue;
 739                     }
 740                 }
 741             }
 742
 743             /* Check if we will receive data from this subsession for this track */
 744             if( sub->readSource() == NULL ) continue;
 745             if( !p_sys->b_multicast )
 746             {
 747                 /* Check, because we need diff. rollover behaviour for multicast */
 748                 p_sys->b_multicast = IsMulticastAddress( sub->connectionEndpointAddress() );
 749             }
 750
 751             tk = (live_track_t*)malloc( sizeof( live_track_t ) );
 752             if( !tk )
 753             {
 754                 delete iter;
 755                 return VLC_ENOMEM;
 756             }
 757             tk->p_demux     = p_demux;
 758             tk->sub         = sub;
 759             tk->p_es        = NULL;
 760             tk->b_quicktime = false;
 761             tk->b_asf       = false;
 762             tk->b_muxed     = false;
 763             tk->p_out_muxed = NULL;
 764             tk->waiting     = 0;
 765             tk->b_rtcp_sync = false;
 766             tk->i_pts       = 0;
 767             tk->i_npt       = 0.;
 768             tk->i_buffer    = 65536;
 769             tk->p_buffer    = (uint8_t *)malloc( 65536 );
 770             if( !tk->p_buffer )
 771             {
 772                 delete iter;
 773                 return VLC_ENOMEM;
 774             }
 775
 776             /* Value taken from mplayer */
 777             if( !strcmp( sub->mediumName(), "audio" ) )
 778             {
 779                 es_format_Init( &tk->fmt, AUDIO_ES, VLC_FOURCC('u','n','d','f') );
 780                 tk->fmt.audio.i_channels = sub->numChannels();
 781                 tk->fmt.audio.i_rate = sub->rtpTimestampFrequency();
 782
 783                 if( !strcmp( sub->codecName(), "MPA" ) ||
 784                     !strcmp( sub->codecName(), "MPA-ROBUST" ) ||
 785                     !strcmp( sub->codecName(), "X-MP3-DRAFT-00" ) )
 786                 {
 787                     tk->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'a' );
 788                     tk->fmt.audio.i_rate = 0;
 789                 }
 790                 else if( !strcmp( sub->codecName(), "AC3" ) )
 791                 {
 792                     tk->fmt.i_codec = VLC_FOURCC( 'a', '5', '2', ' ' );
 793                     tk->fmt.audio.i_rate = 0;
 794                 }
 795                 else if( !strcmp( sub->codecName(), "L16" ) )
 796                 {
 797                     tk->fmt.i_codec = VLC_FOURCC( 't', 'w', 'o', 's' );
 798                     tk->fmt.audio.i_bitspersample = 16;
 799                 }
 800                 else if( !strcmp( sub->codecName(), "L8" ) )
 801                 {
 802                     tk->fmt.i_codec = VLC_FOURCC( 'a', 'r', 'a', 'w' );
 803                     tk->fmt.audio.i_bitspersample = 8;
 804                 }
 805                 else if( !strcmp( sub->codecName(), "PCMU" ) )
 806                 {
 807                     tk->fmt.i_codec = VLC_FOURCC( 'u', 'l', 'a', 'w' );
 808                 }
 809                 else if( !strcmp( sub->codecName(), "PCMA" ) )
 810                 {
 811                     tk->fmt.i_codec = VLC_FOURCC( 'a', 'l', 'a', 'w' );
 812                 }
 813                 else if( !strncmp( sub->codecName(), "G726", 4 ) )
 814                 {
 815                     tk->fmt.i_codec = VLC_FOURCC( 'g', '7', '2', '6' );
 816                     tk->fmt.audio.i_rate = 8000;
 817                     tk->fmt.audio.i_channels = 1;
 818                     if( !strcmp( sub->codecName()+5, "40" ) )
 819                         tk->fmt.i_bitrate = 40000;
 820                     else if( !strcmp( sub->codecName()+5, "32" ) )
 821                         tk->fmt.i_bitrate = 32000;
 822                     else if( !strcmp( sub->codecName()+5, "24" ) )
 823                         tk->fmt.i_bitrate = 24000;
 824                     else if( !strcmp( sub->codecName()+5, "16" ) )
 825                         tk->fmt.i_bitrate = 16000;
 826                 }
 827                 else if( !strcmp( sub->codecName(), "AMR" ) )
 828                 {
 829                     tk->fmt.i_codec = VLC_FOURCC( 's', 'a', 'm', 'r' );
 830                 }
 831                 else if( !strcmp( sub->codecName(), "AMR-WB" ) )
 832                 {
 833                     tk->fmt.i_codec = VLC_FOURCC( 's', 'a', 'w', 'b' );
 834                 }
 835                 else if( !strcmp( sub->codecName(), "MP4A-LATM" ) )
 836                 {
 837                     unsigned int i_extra;
 838                     uint8_t      *p_extra;
 839
 840                     tk->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'a' );
 841
 842                     if( ( p_extra = parseStreamMuxConfigStr( sub->fmtp_config(),
 843                                                              i_extra ) ) )
 844                     {
 845                         tk->fmt.i_extra = i_extra;
 846                         tk->fmt.p_extra = malloc( i_extra );
 847                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
 848                         delete[] p_extra;
 849                     }
 850                     /* Because the "faad" decoder does not handle the LATM data length field
 851                        at the start of each returned LATM frame, tell the RTP source to omit it. */
 852                     ((MPEG4LATMAudioRTPSource*)sub->rtpSource())->omitLATMDataLengthField();
 853                 }
 854                 else if( !strcmp( sub->codecName(), "MPEG4-GENERIC" ) )
 855                 {
 856                     unsigned int i_extra;
 857                     uint8_t      *p_extra;
 858
 859                     tk->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'a' );
 860
 861                     if( ( p_extra = parseGeneralConfigStr( sub->fmtp_config(),
 862                                                            i_extra ) ) )
 863                     {
 864                         tk->fmt.i_extra = i_extra;
 865                         tk->fmt.p_extra = malloc( i_extra );
 866                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
 867                         delete[] p_extra;
 868                     }
 869                 }
 870                 else if( !strcmp( sub->codecName(), "X-ASF-PF" ) )
 871                 {
 872                     tk->b_asf = true;
 873                     if( p_sys->p_out_asf == NULL )
 874                         p_sys->p_out_asf = stream_DemuxNew( p_demux, "asf",
 875                                                             p_demux->out );
 876                 }
 877                 else if( !strcmp( sub->codecName(), "X-QT" ) ||
 878                          !strcmp( sub->codecName(), "X-QUICKTIME" ) )
 879                 {
 880                     tk->b_quicktime = true;
 881                 }
 882                 else if( !strcmp( sub->codecName(), "SPEEX" ) )
 883                 {
 884                     tk->fmt.i_codec = VLC_FOURCC( 's', 'p', 'x', 'r' );
 885                     if ( sub->rtpTimestampFrequency() )
 886                         tk->fmt.audio.i_rate = sub->rtpTimestampFrequency();
 887                     else
 888                     {
 889                         msg_Warn( p_demux,"Using 8kHz as default sample rate." );
 890                         tk->fmt.audio.i_rate = 8000;
 891                     }
 892                 }
 893             }
 894             else if( !strcmp( sub->mediumName(), "video" ) )
 895             {
 896                 es_format_Init( &tk->fmt, VIDEO_ES, VLC_FOURCC('u','n','d','f') );
 897                 if( !strcmp( sub->codecName(), "MPV" ) )
 898                 {
 899                     tk->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'v' );
 900                 }
 901                 else if( !strcmp( sub->codecName(), "H263" ) ||
 902                          !strcmp( sub->codecName(), "H263-1998" ) ||
 903                          !strcmp( sub->codecName(), "H263-2000" ) )
 904                 {
 905                     tk->fmt.i_codec = VLC_FOURCC( 'H', '2', '6', '3' );
 906                 }
 907                 else if( !strcmp( sub->codecName(), "H261" ) )
 908                 {
 909                     tk->fmt.i_codec = VLC_FOURCC( 'H', '2', '6', '1' );
 910                 }
 911                 else if( !strcmp( sub->codecName(), "H264" ) )
 912                 {
 913                     unsigned int i_extra = 0;
 914                     uint8_t      *p_extra = NULL;
 915
 916                     tk->fmt.i_codec = VLC_FOURCC( 'h', '2', '6', '4' );
 917                     tk->fmt.b_packetized = false;
 918
 919                     if((p_extra=parseH264ConfigStr( sub->fmtp_spropparametersets(),
 920                                                     i_extra ) ) )
 921                     {
 922                         tk->fmt.i_extra = i_extra;
 923                         tk->fmt.p_extra = malloc( i_extra );
 924                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
 925
 926                         delete[] p_extra;
 927                     }
 928                 }
 929                 else if( !strcmp( sub->codecName(), "JPEG" ) )
 930                 {
 931                     tk->fmt.i_codec = VLC_FOURCC( 'M', 'J', 'P', 'G' );
 932                 }
 933                 else if( !strcmp( sub->codecName(), "MP4V-ES" ) )
 934                 {
 935                     unsigned int i_extra;
 936                     uint8_t      *p_extra;
 937
 938                     tk->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'v' );
 939
 940                     if( ( p_extra = parseGeneralConfigStr( sub->fmtp_config(),
 941                                                            i_extra ) ) )
 942                     {
 943                         tk->fmt.i_extra = i_extra;
 944                         tk->fmt.p_extra = malloc( i_extra );
 945                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
 946                         delete[] p_extra;
 947                     }
 948                 }
 949                 else if( !strcmp( sub->codecName(), "X-QT" ) ||
 950                          !strcmp( sub->codecName(), "X-QUICKTIME" ) ||
 951                          !strcmp( sub->codecName(), "X-QDM" ) ||
 952                          !strcmp( sub->codecName(), "X-SV3V-ES" )  ||
 953                          !strcmp( sub->codecName(), "X-SORENSONVIDEO" ) )
 954                 {
 955                     tk->b_quicktime = true;
 956                 }
 957                 else if( !strcmp( sub->codecName(), "MP2T" ) )
 958                 {
 959                     tk->b_muxed = true;
 960                     tk->p_out_muxed = stream_DemuxNew( p_demux, "ts", p_demux->out );
 961                 }
 962                 else if( !strcmp( sub->codecName(), "MP2P" ) ||
 963                          !strcmp( sub->codecName(), "MP1S" ) )
 964                 {
 965                     tk->b_muxed = true;
 966                     tk->p_out_muxed = stream_DemuxNew( p_demux, "ps",
 967                                                        p_demux->out );
 968                 }
 969                 else if( !strcmp( sub->codecName(), "X-ASF-PF" ) )
 970                 {
 971                     tk->b_asf = true;
 972                     if( p_sys->p_out_asf == NULL )
 973                         p_sys->p_out_asf = stream_DemuxNew( p_demux, "asf",
 974                                                             p_demux->out );;
 975                 }
 976             }
 977
 978             if( !tk->b_quicktime && !tk->b_muxed && !tk->b_asf )
 979             {
 980                 tk->p_es = es_out_Add( p_demux->out, &tk->fmt );
 981             }
 982
 983             if( sub->rtcpInstance() != NULL )
 984             {
 985                 sub->rtcpInstance()->setByeHandler( StreamClose, tk );
 986             }
 987
 988             if( tk->p_es || tk->b_quicktime || tk->b_muxed || tk->b_asf )
 989             {
 990                 /* Append */
 991                 p_sys->track = (live_track_t**)realloc( p_sys->track, sizeof( live_track_t ) * ( p_sys->i_track + 1 ) );
 992                 p_sys->track[p_sys->i_track++] = tk;
 993             }
 994             else
 995             {
 996                 /* BUG ??? */
 997                 msg_Err( p_demux, "unusable RTSP track. this should not happen" );
 998                 es_format_Clean( &tk->fmt );
 999                 free( tk );
1000             }
1001         }
1002     }
1003     delete iter;
1004     if( p_sys->i_track <= 0 ) i_return = VLC_EGENERIC;
1005
1006     /* Retrieve the starttime if possible */
1007     p_sys->i_npt_start = p_sys->ms->playStartTime();
1008
1009     /* Retrieve the duration if possible */
1010     p_sys->i_npt_length = p_sys->ms->playEndTime();
1011
1012     msg_Dbg( p_demux, "setup start: %f stop:%f", p_sys->i_npt_start, p_sys->i_npt_length );
1013     return i_return;
1014 }
1015
1016 /*****************************************************************************
1017  * Play: starts the actual playback of the stream
1018  *****************************************************************************/
1019 static int Play( demux_t *p_demux )
1020 {
1021     demux_sys_t *p_sys = p_demux->p_sys;
1022     int i;
1023
1024     if( p_sys->rtsp )
1025     {
1026         /* The PLAY */
1027         if( !p_sys->rtsp->playMediaSession( *p_sys->ms, p_sys->i_npt_start, -1, 1 ) )
1028         {
1029             msg_Err( p_demux, "RTSP PLAY failed %s", p_sys->env->getResultMsg() );
1030             return VLC_EGENERIC;
1031         }
1032
1033         /* Retrieve the timeout value and set up a timeout prevention thread */
1034         p_sys->i_timeout = p_sys->rtsp->sessionTimeoutParameter();
1035         if( p_sys->i_timeout <= 0 )
1036             p_sys->i_timeout = 60; /* default value from RFC2326 */
1037
1038         /* start timeout-thread only on x-asf streams (wms), it has rtcp support but doesn't
1039          * seem to use it for liveness/keep-alive, get_parameter seems to work for it. get_parameter
1040          * doesn't work with dss 5.5.4 & 5.5.5, they seems to work with rtcp */
1041         if( !p_sys->p_timeout && p_sys->p_out_asf )
1042         {
1043             msg_Dbg( p_demux, "We have a timeout of %d seconds",  p_sys->i_timeout );
1044             p_sys->p_timeout = (timeout_thread_t *)vlc_object_create( p_demux, sizeof(timeout_thread_t) );
1045             p_sys->p_timeout->p_sys = p_demux->p_sys; /* lol, object recursion :D */
1046             if( vlc_thread_create( p_sys->p_timeout, "liveMedia-timeout", TimeoutPrevention,
1047                                    VLC_THREAD_PRIORITY_LOW, true ) )
1048             {
1049                 msg_Err( p_demux, "cannot spawn liveMedia timeout thread" );
1050                 vlc_object_release( p_sys->p_timeout );
1051             }
1052             msg_Dbg( p_demux, "spawned timeout thread" );
1053             vlc_object_attach( p_sys->p_timeout, p_demux );
1054         }
1055     }
1056     p_sys->i_pcr = 0;
1057
1058     /* Retrieve the starttime if possible */
1059     p_sys->i_npt_start = p_sys->ms->playStartTime();
1060     p_sys->i_npt_length = p_sys->ms->playEndTime();
1061
1062     msg_Dbg( p_demux, "play start: %f stop:%f", p_sys->i_npt_start, p_sys->i_npt_length );
1063     return VLC_SUCCESS;
1064 }
1065
1066
1067 /*****************************************************************************
1068  * Demux:
1069  *****************************************************************************/
1070 static int Demux( demux_t *p_demux )
1071 {
1072     demux_sys_t    *p_sys = p_demux->p_sys;
1073     TaskToken      task;
1074
1075     bool            b_send_pcr = true;
1076     int64_t         i_pcr = 0;
1077     int             i;
1078
1079     /* Check if we need to send the server a Keep-A-Live signal */
1080     if( p_sys->b_timeout_call && p_sys->rtsp && p_sys->ms )
1081     {
1082         char *psz_bye = NULL;
1083         p_sys->rtsp->getMediaSessionParameter( *p_sys->ms, NULL, psz_bye );
1084         p_sys->b_timeout_call = false;
1085     }
1086
1087     for( i = 0; i < p_sys->i_track; i++ )
1088     {
1089         live_track_t *tk = p_sys->track[i];
1090
1091         if( tk->b_asf || tk->b_muxed )
1092             b_send_pcr = false;
1093 #if 0
1094         if( i_pcr == 0 )
1095         {
1096             i_pcr = tk->i_pts;
1097         }
1098         else if( tk->i_pts != 0 && i_pcr > tk->i_pts )
1099         {
1100             i_pcr = tk->i_pts ;
1101         }
1102 #endif
1103     }
1104     if( p_sys->i_pcr > 0 )
1105     {
1106         if( b_send_pcr )
1107             es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_sys->i_pcr );
1108     }
1109
1110     /* First warn we want to read data */
1111     p_sys->event = 0;
1112     for( i = 0; i < p_sys->i_track; i++ )
1113     {
1114         live_track_t *tk = p_sys->track[i];
1115
1116         if( tk->waiting == 0 )
1117         {
1118             tk->waiting = 1;
1119             tk->sub->readSource()->getNextFrame( tk->p_buffer, tk->i_buffer,
1120                                           StreamRead, tk, StreamClose, tk );
1121         }
1122     }
1123     /* Create a task that will be called if we wait more than 300ms */
1124     task = p_sys->scheduler->scheduleDelayedTask( 300000, TaskInterrupt, p_demux );
1125
1126     /* Do the read */
1127     p_sys->scheduler->doEventLoop( &p_sys->event );
1128
1129     /* remove the task */
1130     p_sys->scheduler->unscheduleDelayedTask( task );
1131
1132     /* Check for gap in pts value */
1133     for( i = 0; i < p_sys->i_track; i++ )
1134     {
1135         live_track_t *tk = p_sys->track[i];
1136
1137         if( !tk->b_muxed && !tk->b_rtcp_sync &&
1138             tk->sub->rtpSource() && tk->sub->rtpSource()->hasBeenSynchronizedUsingRTCP() )
1139         {
1140             msg_Dbg( p_demux, "tk->rtpSource->hasBeenSynchronizedUsingRTCP()" );
1141
1142             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
1143             tk->b_rtcp_sync = true;
1144             /* reset PCR */
1145             tk->i_pts = 0;
1146             tk->i_npt = 0.;
1147             p_sys->i_pcr = 0;
1148             p_sys->i_npt = 0.;
1149             i_pcr = 0;
1150         }
1151     }
1152
1153     if( p_sys->b_multicast && p_sys->b_no_data &&
1154         ( p_sys->i_no_data_ti > 120 ) )
1155     {
1156         /* FIXME Make this configurable
1157         msg_Err( p_demux, "no multicast data received in 36s, aborting" );
1158         return 0;
1159         */
1160     }
1161     else if( !p_sys->b_multicast && p_sys->b_no_data &&
1162              ( p_sys->i_no_data_ti > 34 ) )
1163     {
1164         bool b_rtsp_tcp = var_GetBool( p_demux, "rtsp-tcp" ) ||
1165                                 var_GetBool( p_demux, "rtsp-http" );
1166
1167         if( !b_rtsp_tcp && p_sys->rtsp && p_sys->ms )
1168         {
1169             msg_Warn( p_demux, "no data received in 10s. Switching to TCP" );
1170             if( RollOverTcp( p_demux ) )
1171             {
1172                 msg_Err( p_demux, "TCP rollover failed, aborting" );
1173                 return 0;
1174             }
1175             return 1;
1176         }
1177         msg_Err( p_demux, "no data received in 10s, aborting" );
1178         return 0;
1179     }
1180     else if( !p_sys->b_multicast && p_sys->i_no_data_ti > 34 )
1181     {
1182         /* EOF ? */
1183         msg_Warn( p_demux, "no data received in 10s, eof ?" );
1184         return 0;
1185     }
1186     return p_demux->b_error ? 0 : 1;
1187 }
1188
1189 /*****************************************************************************
1190  * Control:
1191  *****************************************************************************/
1192 static int Control( demux_t *p_demux, int i_query, va_list args )
1193 {
1194     demux_sys_t *p_sys = p_demux->p_sys;
1195     int64_t *pi64, i64;
1196     double  *pf, f;
1197     bool *pb, *pb2, b_bool;
1198     int *pi_int;
1199
1200     switch( i_query )
1201     {
1202         case DEMUX_GET_TIME:
1203             pi64 = (int64_t*)va_arg( args, int64_t * );
1204             if( p_sys->i_npt > 0 )
1205             {
1206                 *pi64 = (int64_t)(p_sys->i_npt * 1000000.);
1207                 return VLC_SUCCESS;
1208             }
1209             return VLC_EGENERIC;
1210
1211         case DEMUX_GET_LENGTH:
1212             pi64 = (int64_t*)va_arg( args, int64_t * );
1213             if( p_sys->i_npt_length > 0 )
1214             {
1215                 *pi64 = p_sys->i_npt_length * 1000000.0;
1216                 return VLC_SUCCESS;
1217             }
1218             return VLC_EGENERIC;
1219
1220         case DEMUX_GET_POSITION:
1221             pf = (double*)va_arg( args, double* );
1222             if( p_sys->i_npt_length > 0 && p_sys->i_npt > 0)
1223             {
1224                 *pf = ( (double)p_sys->i_npt / (double)p_sys->i_npt_length );
1225                 return VLC_SUCCESS;
1226             }
1227             return VLC_EGENERIC;
1228
1229         case DEMUX_SET_POSITION:
1230         case DEMUX_SET_TIME:
1231             if( p_sys->rtsp && p_sys->i_npt_length > 0 )
1232             {
1233                 int i;
1234                 float time;
1235
1236                 if( i_query == DEMUX_SET_TIME && p_sys->i_npt > 0 )
1237                 {
1238                     i64 = (int64_t)va_arg( args, int64_t );
1239                     time = (float)((double)i64 / (double)1000000.0); /* in second */
1240                 }
1241                 else if( i_query == DEMUX_SET_TIME )
1242                     return VLC_EGENERIC;
1243                 else
1244                 {
1245                     f = (double)va_arg( args, double );
1246                     time = f * (double)p_sys->i_npt_length;   /* in second */
1247                 }
1248
1249                 if( !p_sys->rtsp->playMediaSession( *p_sys->ms, time, -1, 1 ) )
1250                 {
1251                     msg_Err( p_demux, "PLAY failed %s",
1252                         p_sys->env->getResultMsg() );
1253                     return VLC_EGENERIC;
1254                 }
1255                 es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
1256                 p_sys->i_pcr = 0;
1257
1258                 /* Retrieve RTP-Info values */
1259                 for( i = 0; i < p_sys->i_track; i++ )
1260                 {
1261                     p_sys->track[i]->b_rtcp_sync = false;
1262                     p_sys->track[i]->i_pts = 0;
1263                 }
1264
1265                 /* Retrieve the starttime if possible */
1266                 p_sys->i_npt = p_sys->i_npt_start = p_sys->ms->playStartTime();
1267
1268                 /* Retrieve the duration if possible */
1269                 p_sys->i_npt_length = p_sys->ms->playEndTime();
1270
1271                 msg_Dbg( p_demux, "seek start: %f stop:%f", p_sys->i_npt_start, p_sys->i_npt_length );
1272                 return VLC_SUCCESS;
1273             }
1274             return VLC_EGENERIC;
1275
1276         /* Special for access_demux */
1277         case DEMUX_CAN_PAUSE:
1278         case DEMUX_CAN_SEEK:
1279             pb = (bool*)va_arg( args, bool * );
1280             if( p_sys->rtsp && p_sys->i_npt_length > 0 )
1281                 /* Not always true, but will be handled in SET_PAUSE_STATE */
1282                 *pb = true;
1283             else
1284                 *pb = false;
1285             return VLC_SUCCESS;
1286
1287         case DEMUX_CAN_CONTROL_PACE:
1288             pb = (bool*)va_arg( args, bool * );
1289
1290 #if 1       /* Disable for now until we have a clock synchro algo
1291              * which works with something else than MPEG over UDP */
1292             *pb = false;
1293 #else
1294             *pb = true;
1295 #endif
1296             return VLC_SUCCESS;
1297
1298 #if 0
1299         case DEMUX_CAN_CONTROL_RATE:
1300             pb = (bool*)va_arg( args, bool * );
1301             pb2 = (bool*)va_arg( args, bool * );
1302
1303             *pb = p_sys->rtsp != NULL && p_sys->i_npt_length > 0 && !var_GetBool( p_demux, "rtsp-kasenna" );
1304             *pb2 = false;
1305             return VLC_SUCCESS;
1306
1307         case DEMUX_SET_RATE:
1308         {
1309             double f_scale;
1310
1311             if( !p_sys->rtsp || p_sys->i_npt_length <= 0 || var_GetBool( p_demux, "rtsp-kasenna" ) )
1312                 return VLC_EGENERIC;
1313
1314             /* TODO we might want to ensure that the new rate is different from
1315              * old rate after playMediaSession...
1316              * I have no idea how the server map the requested rate to the
1317              * ones it supports.
1318              * ex:
1319              *  current is x2 we request x1.5 if the server return x2 we will
1320              *  never succeed to return to x1.
1321              *  In this case we should retry with a lower rate until we have
1322              *  one (even x1).
1323              */
1324
1325             pi_int = (int*)va_arg( args, int * );
1326             f_scale = (double)INPUT_RATE_DEFAULT / (*p_int);
1327
1328             /* Passing -1 for the start and end time will mean liveMedia won't
1329             * create a Range: section for the RTSP message. The server should
1330             * pick up from the current position */
1331             if( !p_sys->rtsp->playMediaSession( *p_sys->ms, -1, -1, f_scale ) )
1332             {
1333                 msg_Err( p_demux, "PLAY with Scale %0.2f failed %s", f_scale,
1334                         p_sys->env->getResultMsg() );
1335                 return VLC_EGENERIC;
1336             }
1337             /* ReSync the stream */
1338             p_sys->i_npt_start = 0;
1339             p_sys->i_pcr = 0;
1340             p_sys->i_npt = 0.;
1341             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
1342
1343             *pi_int = (int)( INPUT_RATE_DEFAULT / p_sys->ms->scale() + 0.5 );
1344             return VLC_SUCCESS;
1345         }
1346 #endif
1347
1348         case DEMUX_SET_PAUSE_STATE:
1349         {
1350             int i;
1351
1352             b_bool = (bool)va_arg( args, int );
1353             if( p_sys->rtsp == NULL )
1354                 return VLC_EGENERIC;
1355
1356             /* FIXME */
1357             if( ( b_bool && !p_sys->rtsp->pauseMediaSession( *p_sys->ms ) ) ||
1358                     ( !b_bool && !p_sys->rtsp->playMediaSession( *p_sys->ms,
1359                        -1 ) ) )
1360             {
1361                     msg_Err( p_demux, "PLAY or PAUSE failed %s", p_sys->env->getResultMsg() );
1362                     return VLC_EGENERIC;
1363             }
1364
1365             /* When we Pause, we'll need the TimeoutPrevention thread to
1366              * handle sending the "Keep Alive" message to the server.
1367              * Unfortunately Live555 isn't thread safe and so can't
1368              * do this normally while the main Demux thread is handling
1369              * a live stream. We end up with the Timeout thread blocking
1370              * waiting for a response from the server. So when we PAUSE
1371              * we set a flag that the TimeoutPrevention function will check
1372              * and if it's set, it will trigger the GET_PARAMETER message */
1373             if( b_bool && p_sys->p_timeout != NULL )
1374                 p_sys->p_timeout->b_handle_keep_alive = true;
1375             else if( !b_bool && p_sys->p_timeout != NULL )
1376                 p_sys->p_timeout->b_handle_keep_alive = false;
1377
1378             for( i = 0; !b_bool && i < p_sys->i_track; i++ )
1379             {
1380                 live_track_t *tk = p_sys->track[i];
1381                 tk->b_rtcp_sync = false;
1382                 tk->i_pts = 0;
1383                 p_sys->i_pcr = 0;
1384                 es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
1385             }
1386
1387             /* Retrieve the starttime if possible */
1388             p_sys->i_npt = p_sys->i_npt_start = p_sys->ms->playStartTime();
1389
1390             /* Retrieve the duration if possible */
1391             p_sys->i_npt_length = p_sys->ms->playEndTime();
1392
1393             msg_Dbg( p_demux, "pause start: %f stop:%f", p_sys->i_npt_start, p_sys->i_npt_length );
1394             return VLC_SUCCESS;
1395         }
1396         case DEMUX_GET_TITLE_INFO:
1397         case DEMUX_SET_TITLE:
1398         case DEMUX_SET_SEEKPOINT:
1399             return VLC_EGENERIC;
1400
1401         case DEMUX_GET_PTS_DELAY:
1402             pi64 = (int64_t*)va_arg( args, int64_t * );
1403             *pi64 = (int64_t)var_GetInteger( p_demux, "rtsp-caching" ) * 1000;
1404             return VLC_SUCCESS;
1405
1406         default:
1407             return VLC_EGENERIC;
1408     }
1409 }
1410
1411 /*****************************************************************************
1412  * RollOverTcp: reopen the rtsp into TCP mode
1413  * XXX: ugly, a lot of code are duplicated from Open()
1414  * This should REALLY be fixed
1415  *****************************************************************************/
1416 static int RollOverTcp( demux_t *p_demux )
1417 {
1418     demux_sys_t *p_sys = p_demux->p_sys;
1419     int i, i_return;
1420
1421     var_SetBool( p_demux, "rtsp-tcp", true );
1422
1423     /* We close the old RTSP session */
1424     for( i = 0; i < p_sys->i_track; i++ )
1425     {
1426         live_track_t *tk = p_sys->track[i];
1427
1428         if( tk->b_muxed ) stream_DemuxDelete( tk->p_out_muxed );
1429         if( tk->p_es ) es_out_Del( p_demux->out, tk->p_es );
1430         es_format_Clean( &tk->fmt );
1431         free( tk->p_buffer );
1432         free( tk );
1433     }
1434     if( p_sys->i_track ) free( p_sys->track );
1435     if( p_sys->p_out_asf ) stream_DemuxDelete( p_sys->p_out_asf );
1436
1437     p_sys->rtsp->teardownMediaSession( *p_sys->ms );
1438     Medium::close( p_sys->ms );
1439     RTSPClient::close( p_sys->rtsp );
1440
1441     p_sys->ms = NULL;
1442     p_sys->rtsp = NULL;
1443     p_sys->track = NULL;
1444     p_sys->i_track = 0;
1445
1446     /* Reopen rtsp client */
1447     if( ( i_return = Connect( p_demux ) ) != VLC_SUCCESS )
1448     {
1449         msg_Err( p_demux, "Failed to connect with rtsp://%s",
1450                  p_sys->psz_path );
1451         goto error;
1452     }
1453
1454     if( p_sys->p_sdp == NULL )
1455     {
1456         msg_Err( p_demux, "Failed to retrieve the RTSP Session Description" );
1457         goto error;
1458     }
1459
1460     if( ( i_return = SessionsSetup( p_demux ) ) != VLC_SUCCESS )
1461     {
1462         msg_Err( p_demux, "Nothing to play for rtsp://%s", p_sys->psz_path );
1463         goto error;
1464     }
1465
1466     if( ( i_return = Play( p_demux ) ) != VLC_SUCCESS )
1467         goto error;
1468
1469     return VLC_SUCCESS;
1470
1471 error:
1472     return VLC_EGENERIC;
1473 }
1474
1475
1476 /*****************************************************************************
1477  *
1478  *****************************************************************************/
1479 static void StreamRead( void *p_private, unsigned int i_size,
1480                         unsigned int i_truncated_bytes, struct timeval pts,
1481                         unsigned int duration )
1482 {
1483     live_track_t   *tk = (live_track_t*)p_private;
1484     demux_t        *p_demux = tk->p_demux;
1485     demux_sys_t    *p_sys = p_demux->p_sys;
1486     block_t        *p_block;
1487
1488     //msg_Dbg( p_demux, "pts: %d", pts.tv_sec );
1489
1490     int64_t i_pts = (int64_t)pts.tv_sec * INT64_C(1000000) +
1491         (int64_t)pts.tv_usec;
1492
1493     /* XXX Beurk beurk beurk Avoid having negative value XXX */
1494     i_pts &= INT64_C(0x00ffffffffffffff);
1495
1496     /* Retrieve NPT for this pts */
1497     tk->i_npt = tk->sub->getNormalPlayTime(pts);
1498
1499     if( tk->b_quicktime && tk->p_es == NULL )
1500     {
1501         QuickTimeGenericRTPSource *qtRTPSource =
1502             (QuickTimeGenericRTPSource*)tk->sub->rtpSource();
1503         QuickTimeGenericRTPSource::QTState &qtState = qtRTPSource->qtState;
1504         uint8_t *sdAtom = (uint8_t*)&qtState.sdAtom[4];
1505
1506         if( tk->fmt.i_cat == VIDEO_ES ) {
1507             if( qtState.sdAtomSize < 16 + 32 )
1508             {
1509                 /* invalid */
1510                 p_sys->event = 0xff;
1511                 tk->waiting = 0;
1512                 return;
1513             }
1514             tk->fmt.i_codec = VLC_FOURCC(sdAtom[0],sdAtom[1],sdAtom[2],sdAtom[3]);
1515             tk->fmt.video.i_width  = (sdAtom[28] << 8) | sdAtom[29];
1516             tk->fmt.video.i_height = (sdAtom[30] << 8) | sdAtom[31];
1517
1518             if( tk->fmt.i_codec == VLC_FOURCC('a', 'v', 'c', '1') )
1519             {
1520                 uint8_t *pos = (uint8_t*)qtRTPSource->qtState.sdAtom + 86;
1521                 uint8_t *endpos = (uint8_t*)qtRTPSource->qtState.sdAtom
1522                                   + qtRTPSource->qtState.sdAtomSize;
1523                 while (pos+8 < endpos) {
1524                     unsigned int atomLength = pos[0]<<24 | pos[1]<<16 | pos[2]<<8 | pos[3];
1525                     if( atomLength == 0 || atomLength > (unsigned int)(endpos-pos)) break;
1526                     if( memcmp(pos+4, "avcC", 4) == 0 &&
1527                         atomLength > 8 &&
1528                         atomLength <= INT_MAX )
1529                     {
1530                         tk->fmt.i_extra = atomLength-8;
1531                         tk->fmt.p_extra = malloc( tk->fmt.i_extra );
1532                         memcpy(tk->fmt.p_extra, pos+8, atomLength-8);
1533                         break;
1534                     }
1535                     pos += atomLength;
1536                 }
1537             }
1538             else
1539             {
1540                 tk->fmt.i_extra        = qtState.sdAtomSize - 16;
1541                 tk->fmt.p_extra        = malloc( tk->fmt.i_extra );
1542                 memcpy( tk->fmt.p_extra, &sdAtom[12], tk->fmt.i_extra );
1543             }
1544         }
1545         else {
1546             if( qtState.sdAtomSize < 4 )
1547             {
1548                 /* invalid */
1549                 p_sys->event = 0xff;
1550                 tk->waiting = 0;
1551                 return;
1552             }
1553             tk->fmt.i_codec = VLC_FOURCC(sdAtom[0],sdAtom[1],sdAtom[2],sdAtom[3]);
1554         }
1555         tk->p_es = es_out_Add( p_demux->out, &tk->fmt );
1556     }
1557
1558 #if 0
1559     fprintf( stderr, "StreamRead size=%d pts=%lld\n",
1560              i_size,
1561              pts.tv_sec * 1000000LL + pts.tv_usec );
1562 #endif
1563
1564     /* grow buffer if it looks like buffer is too small, but don't eat
1565      * up all the memory on strange streams */
1566     if( i_truncated_bytes > 0 && tk->i_buffer < 2000000 )
1567     {
1568         void *p_tmp;
1569         msg_Dbg( p_demux, "lost %d bytes", i_truncated_bytes );
1570         msg_Dbg( p_demux, "increasing buffer size to %d", tk->i_buffer * 2 );
1571         tk->i_buffer *= 2;
1572         p_tmp = realloc( tk->p_buffer, tk->i_buffer );
1573         if( p_tmp == NULL )
1574         {
1575             msg_Warn( p_demux, "realloc failed" );
1576         }
1577         else
1578         {
1579             tk->p_buffer = (uint8_t*)p_tmp;
1580         }
1581     }
1582     if( i_size > tk->i_buffer )
1583     {
1584         msg_Warn( p_demux, "buffer overflow" );
1585     }
1586     /* FIXME could i_size be > buffer size ? */
1587     if( tk->fmt.i_codec == VLC_FOURCC('s','a','m','r') ||
1588         tk->fmt.i_codec == VLC_FOURCC('s','a','w','b') )
1589     {
1590         AMRAudioSource *amrSource = (AMRAudioSource*)tk->sub->readSource();
1591
1592         p_block = block_New( p_demux, i_size + 1 );
1593         p_block->p_buffer[0] = amrSource->lastFrameHeader();
1594         memcpy( p_block->p_buffer + 1, tk->p_buffer, i_size );
1595     }
1596     else if( tk->fmt.i_codec == VLC_FOURCC('H','2','6','1') )
1597     {
1598         H261VideoRTPSource *h261Source = (H261VideoRTPSource*)tk->sub->rtpSource();
1599         uint32_t header = h261Source->lastSpecialHeader();
1600         p_block = block_New( p_demux, i_size + 4 );
1601         memcpy( p_block->p_buffer, &header, 4 );
1602         memcpy( p_block->p_buffer + 4, tk->p_buffer, i_size );
1603
1604         if( tk->sub->rtpSource()->curPacketMarkerBit() )
1605             p_block->i_flags |= BLOCK_FLAG_END_OF_FRAME;
1606     }
1607     else if( tk->fmt.i_codec == VLC_FOURCC('h','2','6','4') )
1608     {
1609         if( (tk->p_buffer[0] & 0x1f) >= 24 )
1610             msg_Warn( p_demux, "unsupported NAL type for H264" );
1611
1612         /* Normal NAL type */
1613         p_block = block_New( p_demux, i_size + 4 );
1614         p_block->p_buffer[0] = 0x00;
1615         p_block->p_buffer[1] = 0x00;
1616         p_block->p_buffer[2] = 0x00;
1617         p_block->p_buffer[3] = 0x01;
1618         memcpy( &p_block->p_buffer[4], tk->p_buffer, i_size );
1619     }
1620     else if( tk->b_asf )
1621     {
1622         int i_copy = __MIN( p_sys->asfh.i_min_data_packet_size, (int)i_size );
1623         p_block = block_New( p_demux, p_sys->asfh.i_min_data_packet_size );
1624
1625         memcpy( p_block->p_buffer, tk->p_buffer, i_copy );
1626     }
1627     else
1628     {
1629         p_block = block_New( p_demux, i_size );
1630         memcpy( p_block->p_buffer, tk->p_buffer, i_size );
1631     }
1632
1633     if( p_sys->i_pcr < i_pts )
1634     {
1635         p_sys->i_pcr = i_pts;
1636     }
1637
1638     if( (i_pts != tk->i_pts) && (!tk->b_muxed) )
1639     {
1640         p_block->i_pts = i_pts;
1641     }
1642
1643     /* Update our global npt value */
1644     if( tk->i_npt > 0 && tk->i_npt > p_sys->i_npt && tk->i_npt < p_sys->i_npt_length)
1645         p_sys->i_npt = tk->i_npt;
1646
1647     if( !tk->b_muxed )
1648     {
1649         /*FIXME: for h264 you should check that packetization-mode=1 in sdp-file */
1650         p_block->i_dts = ( tk->fmt.i_codec == VLC_FOURCC( 'm', 'p', 'g', 'v' ) ) ? 0 : i_pts;
1651     }
1652
1653     if( tk->b_muxed )
1654     {
1655         stream_DemuxSend( tk->p_out_muxed, p_block );
1656     }
1657     else if( tk->b_asf )
1658     {
1659         stream_DemuxSend( p_sys->p_out_asf, p_block );
1660     }
1661     else
1662     {
1663         es_out_Send( p_demux->out, tk->p_es, p_block );
1664     }
1665
1666     /* warn that's ok */
1667     p_sys->event = 0xff;
1668
1669     /* we have read data */
1670     tk->waiting = 0;
1671     p_demux->p_sys->b_no_data = false;
1672     p_demux->p_sys->i_no_data_ti = 0;
1673
1674     if( i_pts > 0 && !tk->b_muxed )
1675     {
1676         tk->i_pts = i_pts;
1677     }
1678 }
1679
1680 /*****************************************************************************
1681  *
1682  *****************************************************************************/
1683 static void StreamClose( void *p_private )
1684 {
1685     live_track_t   *tk = (live_track_t*)p_private;
1686     demux_t        *p_demux = tk->p_demux;
1687     demux_sys_t    *p_sys = p_demux->p_sys;
1688
1689     msg_Dbg( p_demux, "StreamClose" );
1690
1691     p_sys->event = 0xff;
1692     p_demux->b_error = true;
1693 }
1694
1695
1696 /*****************************************************************************
1697  *
1698  *****************************************************************************/
1699 static void TaskInterrupt( void *p_private )
1700 {
1701     demux_t *p_demux = (demux_t*)p_private;
1702
1703     p_demux->p_sys->i_no_data_ti++;
1704
1705     /* Avoid lock */
1706     p_demux->p_sys->event = 0xff;
1707 }
1708
1709 /*****************************************************************************
1710  *
1711  *****************************************************************************/
1712 static void* TimeoutPrevention( vlc_object_t * p_this )
1713 {
1714     timeout_thread_t *p_timeout = (timeout_thread_t *)p_this;
1715     p_timeout->b_die = false;
1716     p_timeout->i_remain = (int64_t)p_timeout->p_sys->i_timeout -2;
1717     p_timeout->i_remain *= 1000000;
1718
1719     vlc_thread_ready( p_timeout );
1720
1721     int canc = vlc_savecancel ();
1722     /* Avoid lock */
1723     while( vlc_object_alive (p_timeout) )
1724     {
1725         if( p_timeout->i_remain <= 0 )
1726         {
1727             char *psz_bye = NULL;
1728             p_timeout->i_remain = (int64_t)p_timeout->p_sys->i_timeout -2;
1729             p_timeout->i_remain *= 1000000;
1730             msg_Dbg( p_timeout, "reset the timeout timer" );
1731             if( p_timeout->b_handle_keep_alive == true )
1732             {
1733                 p_timeout->p_sys->rtsp->getMediaSessionParameter( *p_timeout->p_sys->ms, NULL, psz_bye );
1734                 p_timeout->p_sys->b_timeout_call = false;
1735             }
1736             else
1737             {
1738                 p_timeout->p_sys->b_timeout_call = true;
1739             }
1740         }
1741         p_timeout->i_remain -= 200000;
1742         msleep( 200000 ); /* 200 ms */
1743     }
1744     vlc_restorecancel (canc);
1745 }
1746
1747 /*****************************************************************************
1748  *
1749  *****************************************************************************/
1750 static int b64_decode( char *dest, char *src );
1751
1752 static int ParseASF( demux_t *p_demux )
1753 {
1754     demux_sys_t    *p_sys = p_demux->p_sys;
1755
1756     const char *psz_marker = "a=pgmpu:data:application/vnd.ms.wms-hdr.asfv1;base64,";
1757     char *psz_asf = strcasestr( p_sys->p_sdp, psz_marker );
1758     char *psz_end;
1759     block_t *p_header;
1760
1761     /* Parse the asf header */
1762     if( psz_asf == NULL )
1763         return VLC_EGENERIC;
1764
1765     psz_asf += strlen( psz_marker );
1766     psz_asf = strdup( psz_asf );    /* Duplicate it */
1767     psz_end = strchr( psz_asf, '\n' );
1768
1769     while( psz_end > psz_asf && ( *psz_end == '\n' || *psz_end == '\r' ) )
1770         *psz_end-- = '\0';
1771
1772     if( psz_asf >= psz_end )
1773     {
1774         free( psz_asf );
1775         return VLC_EGENERIC;
1776     }
1777
1778     /* Always smaller */
1779     p_header = block_New( p_demux, psz_end - psz_asf );
1780     p_header->i_buffer = b64_decode( (char*)p_header->p_buffer, psz_asf );
1781     //msg_Dbg( p_demux, "Size=%d Hdrb64=%s", p_header->i_buffer, psz_asf );
1782     if( p_header->i_buffer <= 0 )
1783     {
1784         free( psz_asf );
1785         return VLC_EGENERIC;
1786     }
1787
1788     /* Parse it to get packet size */
1789     asf_HeaderParse( &p_sys->asfh, p_header->p_buffer, p_header->i_buffer );
1790
1791     /* Send it to demuxer */
1792     stream_DemuxSend( p_sys->p_out_asf, p_header );
1793
1794     free( psz_asf );
1795     return VLC_SUCCESS;
1796 }
1797
1798
1799 static unsigned char* parseH264ConfigStr( char const* configStr,
1800                                           unsigned int& configSize )
1801 {
1802     char *dup, *psz;
1803     int i, i_records = 1;
1804
1805     if( configSize )
1806     configSize = 0;
1807
1808     if( configStr == NULL || *configStr == '\0' )
1809         return NULL;
1810
1811     psz = dup = strdup( configStr );
1812
1813     /* Count the number of comma's */
1814     for( psz = dup; *psz != '\0'; ++psz )
1815     {
1816         if( *psz == ',')
1817         {
1818             ++i_records;
1819             *psz = '\0';
1820         }
1821     }
1822
1823     unsigned char *cfg = new unsigned char[5 * strlen(dup)];
1824     psz = dup;
1825     for( i = 0; i < i_records; i++ )
1826     {
1827         cfg[configSize++] = 0x00;
1828         cfg[configSize++] = 0x00;
1829         cfg[configSize++] = 0x00;
1830         cfg[configSize++] = 0x01;
1831
1832         configSize += b64_decode( (char*)&cfg[configSize], psz );
1833         psz += strlen(psz)+1;
1834     }
1835
1836     free( dup );
1837     return cfg;
1838 }
1839
1840 /*char b64[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";*/
1841 static int b64_decode( char *dest, char *src )
1842 {
1843     const char *dest_start = dest;
1844     int  i_level;
1845     int  last = 0;
1846     int  b64[256] = {
1847         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* 00-0F */
1848         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* 10-1F */
1849         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,62,-1,-1,-1,63,  /* 20-2F */
1850         52,53,54,55,56,57,58,59,60,61,-1,-1,-1,-1,-1,-1,  /* 30-3F */
1851         -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10,11,12,13,14,  /* 40-4F */
1852         15,16,17,18,19,20,21,22,23,24,25,-1,-1,-1,-1,-1,  /* 50-5F */
1853         -1,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,  /* 60-6F */
1854         41,42,43,44,45,46,47,48,49,50,51,-1,-1,-1,-1,-1,  /* 70-7F */
1855         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* 80-8F */
1856         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* 90-9F */
1857         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* A0-AF */
1858         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* B0-BF */
1859         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* C0-CF */
1860         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* D0-DF */
1861         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* E0-EF */
1862         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1   /* F0-FF */
1863         };
1864
1865     for( i_level = 0; *src != '\0'; src++ )
1866     {
1867         int  c;
1868
1869         c = b64[(unsigned int)*src];
1870         if( c == -1 )
1871         {
1872             continue;
1873         }
1874
1875         switch( i_level )
1876         {
1877             case 0:
1878                 i_level++;
1879                 break;
1880             case 1:
1881                 *dest++ = ( last << 2 ) | ( ( c >> 4)&0x03 );
1882                 i_level++;
1883                 break;
1884             case 2:
1885                 *dest++ = ( ( last << 4 )&0xf0 ) | ( ( c >> 2 )&0x0f );
1886                 i_level++;
1887                 break;
1888             case 3:
1889                 *dest++ = ( ( last &0x03 ) << 6 ) | c;
1890                 i_level = 0;
1891         }
1892         last = c;
1893     }
1894
1895     *dest = '\0';
1896
1897     return dest - dest_start;
1898 }