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     u_int32_t       i_start_seq;
 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     int64_t          i_npt_length;
 193     int64_t          i_npt_start;
 194
 195     /* timeout thread information */
 196     int              i_timeout;     /* session timeout value in seconds */
 197     bool       b_timeout_call;/* mark to send an RTSP call to prevent server timeout */
 198     timeout_thread_t *p_timeout;    /* the actual thread that makes sure we don't timeout */
 199
 200     /* */
 201     bool             b_force_mcast;
 202     bool             b_multicast;   /* if one of the tracks is multicasted */
 203     bool             b_no_data;     /* if we never received any data */
 204     int              i_no_data_ti;  /* consecutive number of TaskInterrupt */
 205
 206     char             event;
 207 };
 208
 209 static int Demux  ( demux_t * );
 210 static int Control( demux_t *, int, va_list );
 211
 212 static int Connect      ( demux_t * );
 213 static int SessionsSetup( demux_t * );
 214 static int Play         ( demux_t *);
 215 static int ParseASF     ( demux_t * );
 216 static int RollOverTcp  ( demux_t * );
 217
 218 static void StreamRead  ( void *, unsigned int, unsigned int,
 219                           struct timeval, unsigned int );
 220 static void StreamClose ( void * );
 221 static void TaskInterrupt( void * );
 222
 223 static void TimeoutPrevention( timeout_thread_t * );
 224
 225 static unsigned char* parseH264ConfigStr( char const* configStr,
 226                                           unsigned int& configSize );
 227
 228 /*****************************************************************************
 229  * DemuxOpen:
 230  *****************************************************************************/
 231 static int  Open ( vlc_object_t *p_this )
 232 {
 233     demux_t     *p_demux = (demux_t*)p_this;
 234     demux_sys_t *p_sys = NULL;
 235
 236     MediaSubsessionIterator *iter   = NULL;
 237     MediaSubsession         *sub    = NULL;
 238     int i, i_return;
 239     int i_error = VLC_EGENERIC;
 240
 241     if( p_demux->s )
 242     {
 243         /* See if it looks like a SDP
 244            v, o, s fields are mandatory and in this order */
 245         const uint8_t *p_peek;
 246         if( stream_Peek( p_demux->s, &p_peek, 7 ) < 7 ) return VLC_EGENERIC;
 247
 248         if( memcmp( p_peek, "v=0\r\n", 5 ) &&
 249             memcmp( p_peek, "v=0\n", 4 ) &&
 250             ( p_peek[0] < 'a' || p_peek[0] > 'z' || p_peek[1] != '=' ) )
 251         {
 252             return VLC_EGENERIC;
 253         }
 254     }
 255     else
 256     {
 257         var_Create( p_demux, "rtsp-caching", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
 258     }
 259
 260     p_demux->pf_demux  = Demux;
 261     p_demux->pf_control= Control;
 262     p_demux->p_sys     = p_sys = (demux_sys_t*)malloc( sizeof( demux_sys_t ) );
 263     if( !p_sys ) return VLC_ENOMEM;
 264
 265     p_sys->p_sdp = NULL;
 266     p_sys->scheduler = NULL;
 267     p_sys->env = NULL;
 268     p_sys->ms = NULL;
 269     p_sys->rtsp = NULL;
 270     p_sys->i_track = 0;
 271     p_sys->track   = NULL;
 272     p_sys->i_pcr = 0;
 273     p_sys->i_npt_start = 0;
 274     p_sys->i_npt_length = 0;
 275     p_sys->p_out_asf = NULL;
 276     p_sys->b_no_data = true;
 277     p_sys->i_no_data_ti = 0;
 278     p_sys->p_timeout = NULL;
 279     p_sys->i_timeout = 0;
 280     p_sys->b_timeout_call = false;
 281     p_sys->b_multicast = false;
 282     p_sys->b_real = false;
 283     p_sys->psz_path = strdup( p_demux->psz_path );
 284     p_sys->b_force_mcast = var_CreateGetBool( p_demux, "rtsp-mcast" );
 285
 286     /* parse URL for rtsp://[user:[passwd]@]serverip:port/options */
 287     vlc_UrlParse( &p_sys->url, p_sys->psz_path, 0 );
 288
 289     if( ( p_sys->scheduler = BasicTaskScheduler::createNew() ) == NULL )
 290     {
 291         msg_Err( p_demux, "BasicTaskScheduler::createNew failed" );
 292         goto error;
 293     }
 294     if( !( p_sys->env = BasicUsageEnvironment::createNew(*p_sys->scheduler) ) )
 295     {
 296         msg_Err( p_demux, "BasicUsageEnvironment::createNew failed" );
 297         goto error;
 298     }
 299
 300     if( strcasecmp( p_demux->psz_access, "sdp" ) )
 301     {
 302         char *p = p_sys->psz_path;
 303         while( (p = strchr( p, ' ' )) != NULL ) *p = '+';
 304     }
 305
 306     if( p_demux->s != NULL )
 307     {
 308         /* Gather the complete sdp file */
 309         int     i_sdp       = 0;
 310         int     i_sdp_max   = 1000;
 311         uint8_t *p_sdp      = (uint8_t*) malloc( i_sdp_max );
 312
 313         if( !p_sdp )
 314         {
 315             i_error = VLC_ENOMEM;
 316             goto error;
 317         }
 318
 319         for( ;; )
 320         {
 321             int i_read = stream_Read( p_demux->s, &p_sdp[i_sdp],
 322                                       i_sdp_max - i_sdp - 1 );
 323
 324             if( !vlc_object_alive (p_demux) || p_demux->b_error )
 325             {
 326                 free( p_sdp );
 327                 goto error;
 328             }
 329
 330             if( i_read < 0 )
 331             {
 332                 msg_Err( p_demux, "failed to read SDP" );
 333                 free( p_sdp );
 334                 goto error;
 335             }
 336
 337             i_sdp += i_read;
 338
 339             if( i_read < i_sdp_max - i_sdp - 1 )
 340             {
 341                 p_sdp[i_sdp] = '\0';
 342                 break;
 343             }
 344
 345             i_sdp_max += 1000;
 346             p_sdp = (uint8_t*)realloc( p_sdp, i_sdp_max );
 347         }
 348         p_sys->p_sdp = (char*)p_sdp;
 349     }
 350     else if( ( p_demux->s == NULL ) &&
 351              !strcasecmp( p_demux->psz_access, "sdp" ) )
 352     {
 353         /* sdp:// link from SAP */
 354         p_sys->p_sdp = strdup( p_sys->psz_path );
 355     }
 356     else if( ( i_return = Connect( p_demux ) ) != VLC_SUCCESS )
 357     {
 358         msg_Err( p_demux, "Failed to connect with rtsp://%s", p_sys->psz_path );
 359         goto error;
 360     }
 361
 362     if( p_sys->p_sdp == NULL )
 363     {
 364         msg_Err( p_demux, "Failed to retrieve the RTSP Session Description" );
 365         i_error = VLC_ENOMEM;
 366         goto error;
 367     }
 368
 369     if( ( i_return = SessionsSetup( p_demux ) ) != VLC_SUCCESS )
 370     {
 371         msg_Err( p_demux, "Nothing to play for rtsp://%s", p_sys->psz_path );
 372         goto error;
 373     }
 374
 375     if( p_sys->b_real ) goto error;
 376
 377     if( ( i_return = Play( p_demux ) ) != VLC_SUCCESS )
 378         goto error;
 379
 380     if( p_sys->p_out_asf && ParseASF( p_demux ) )
 381     {
 382         msg_Err( p_demux, "cannot find a usable asf header" );
 383         /* TODO Clean tracks */
 384         goto error;
 385     }
 386
 387     if( p_sys->i_track <= 0 )
 388         goto error;
 389
 390     return VLC_SUCCESS;
 391
 392 error:
 393     for( i = 0; i < p_sys->i_track; i++ )
 394     {
 395         live_track_t *tk = p_sys->track[i];
 396
 397         if( tk->b_muxed ) stream_DemuxDelete( tk->p_out_muxed );
 398         es_format_Clean( &tk->fmt );
 399         free( tk->p_buffer );
 400         free( tk );
 401     }
 402
 403     if( p_sys->i_track ) free( p_sys->track );
 404     if( p_sys->p_out_asf ) stream_DemuxDelete( p_sys->p_out_asf );
 405     if( p_sys->rtsp && p_sys->ms ) p_sys->rtsp->teardownMediaSession( *p_sys->ms );
 406     if( p_sys->ms ) Medium::close( p_sys->ms );
 407     if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp );
 408     if( p_sys->env ) p_sys->env->reclaim();
 409     if( p_sys->p_timeout )
 410     {
 411         vlc_object_kill( p_sys->p_timeout );
 412         vlc_thread_join( p_sys->p_timeout );
 413         vlc_object_detach( p_sys->p_timeout );
 414         vlc_object_release( p_sys->p_timeout );
 415     }
 416     delete p_sys->scheduler;
 417     free( p_sys->p_sdp );
 418     free( p_sys->psz_path );
 419
 420     vlc_UrlClean( &p_sys->url );
 421
 422     free( p_sys );
 423     return i_error;
 424 }
 425
 426 /*****************************************************************************
 427  * DemuxClose:
 428  *****************************************************************************/
 429 static void Close( vlc_object_t *p_this )
 430 {
 431     demux_t *p_demux = (demux_t*)p_this;
 432     demux_sys_t *p_sys = p_demux->p_sys;
 433     int i;
 434
 435     for( i = 0; i < p_sys->i_track; i++ )
 436     {
 437         live_track_t *tk = p_sys->track[i];
 438
 439         if( tk->b_muxed ) stream_DemuxDelete( tk->p_out_muxed );
 440         es_format_Clean( &tk->fmt );
 441         free( tk->p_buffer );
 442         free( tk );
 443     }
 444
 445     if( p_sys->i_track ) free( p_sys->track );
 446     if( p_sys->p_out_asf ) stream_DemuxDelete( p_sys->p_out_asf );
 447     if( p_sys->rtsp && p_sys->ms ) p_sys->rtsp->teardownMediaSession( *p_sys->ms );
 448     if( p_sys->ms ) Medium::close( p_sys->ms );
 449     if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp );
 450     if( p_sys->env ) p_sys->env->reclaim();
 451     if( p_sys->p_timeout )
 452     {
 453         vlc_object_kill( p_sys->p_timeout );
 454         vlc_thread_join( p_sys->p_timeout );
 455         vlc_object_detach( p_sys->p_timeout );
 456         vlc_object_release( p_sys->p_timeout );
 457     }
 458     delete p_sys->scheduler;
 459     free( p_sys->p_sdp );
 460     free( p_sys->psz_path );
 461
 462     vlc_UrlClean( &p_sys->url );
 463
 464     free( p_sys );
 465 }
 466
 467 /*****************************************************************************
 468  * Connect: connects to the RTSP server to setup the session DESCRIBE
 469  *****************************************************************************/
 470 static int Connect( demux_t *p_demux )
 471 {
 472     demux_sys_t *p_sys = p_demux->p_sys;
 473     Authenticator authenticator;
 474     bool b_firstpass  = true;
 475     char *psz_user    = NULL;
 476     char *psz_pwd     = NULL;
 477     char *psz_url     = NULL;
 478     char *psz_options = NULL;
 479     char *p_sdp       = NULL;
 480     int  i_http_port  = 0;
 481     int  i_ret        = VLC_SUCCESS;
 482     int i_lefttries;
 483
 484     if( p_sys->url.i_port == 0 ) p_sys->url.i_port = 554;
 485     if( p_sys->url.psz_username || p_sys->url.psz_password )
 486     {
 487         int err;
 488         err = asprintf( &psz_url, "rtsp://%s:%d%s", p_sys->url.psz_host,
 489                         p_sys->url.i_port, p_sys->url.psz_path );
 490         if( err == -1 ) return VLC_ENOMEM;
 491
 492         psz_user = strdup( p_sys->url.psz_username );
 493         psz_pwd  = strdup( p_sys->url.psz_password );
 494     }
 495     else
 496     {
 497         int err;
 498         err = asprintf( &psz_url, "rtsp://%s", p_sys->psz_path );
 499         if( err == -1 ) return VLC_ENOMEM;
 500
 501         psz_user = var_CreateGetString( p_demux, "rtsp-user" );
 502         psz_pwd  = var_CreateGetString( p_demux, "rtsp-pwd" );
 503     }
 504
 505     i_lefttries = 3;
 506 createnew:
 507     i_lefttries--;
 508     if( !vlc_object_alive (p_demux) || p_demux->b_error )
 509     {
 510         free( psz_user );
 511         free( psz_pwd );
 512         free( psz_url );
 513         return VLC_EGENERIC;
 514     }
 515
 516     if( var_CreateGetBool( p_demux, "rtsp-http" ) )
 517         i_http_port = var_CreateGetInteger( p_demux, "rtsp-http-port" );
 518
 519     if( ( p_sys->rtsp = RTSPClient::createNew( *p_sys->env,
 520           var_CreateGetInteger( p_demux, "verbose" ) > 1,
 521           "VLC media player", i_http_port ) ) == NULL )
 522     {
 523         msg_Err( p_demux, "RTSPClient::createNew failed (%s)",
 524                  p_sys->env->getResultMsg() );
 525         free( psz_user );
 526         free( psz_pwd );
 527         free( psz_url );
 528         return VLC_EGENERIC;
 529     }
 530
 531     /* Kasenna enables KeepAlive by analysing the User-Agent string.
 532      * Appending _KA to the string should be enough to enable this feature,
 533      * however, there is a bug where the _KA doesn't get parsed from the
 534      * default User-Agent as created by VLC/Live555 code. This is probably due
 535      * to spaces in the string or the string being too long. Here we override
 536      * the default string with a more compact version.
 537      */
 538     if( var_CreateGetBool( p_demux, "rtsp-kasenna" ))
 539     {
 540 #if LIVEMEDIA_LIBRARY_VERSION_INT > 1130457500
 541         p_sys->rtsp->setUserAgentString( "VLC_MEDIA_PLAYER_KA" );
 542 #endif
 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_buffer    = 65536;
 768             tk->p_buffer    = (uint8_t *)malloc( 65536 );
 769             if( !tk->p_buffer )
 770             {
 771                 delete iter;
 772                 return VLC_ENOMEM;
 773             }
 774
 775             /* Value taken from mplayer */
 776             if( !strcmp( sub->mediumName(), "audio" ) )
 777             {
 778                 es_format_Init( &tk->fmt, AUDIO_ES, VLC_FOURCC('u','n','d','f') );
 779                 tk->fmt.audio.i_channels = sub->numChannels();
 780                 tk->fmt.audio.i_rate = sub->rtpTimestampFrequency();
 781
 782                 if( !strcmp( sub->codecName(), "MPA" ) ||
 783                     !strcmp( sub->codecName(), "MPA-ROBUST" ) ||
 784                     !strcmp( sub->codecName(), "X-MP3-DRAFT-00" ) )
 785                 {
 786                     tk->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'a' );
 787                     tk->fmt.audio.i_rate = 0;
 788                 }
 789                 else if( !strcmp( sub->codecName(), "AC3" ) )
 790                 {
 791                     tk->fmt.i_codec = VLC_FOURCC( 'a', '5', '2', ' ' );
 792                     tk->fmt.audio.i_rate = 0;
 793                 }
 794                 else if( !strcmp( sub->codecName(), "L16" ) )
 795                 {
 796                     tk->fmt.i_codec = VLC_FOURCC( 't', 'w', 'o', 's' );
 797                     tk->fmt.audio.i_bitspersample = 16;
 798                 }
 799                 else if( !strcmp( sub->codecName(), "L8" ) )
 800                 {
 801                     tk->fmt.i_codec = VLC_FOURCC( 'a', 'r', 'a', 'w' );
 802                     tk->fmt.audio.i_bitspersample = 8;
 803                 }
 804                 else if( !strcmp( sub->codecName(), "PCMU" ) )
 805                 {
 806                     tk->fmt.i_codec = VLC_FOURCC( 'u', 'l', 'a', 'w' );
 807                 }
 808                 else if( !strcmp( sub->codecName(), "PCMA" ) )
 809                 {
 810                     tk->fmt.i_codec = VLC_FOURCC( 'a', 'l', 'a', 'w' );
 811                 }
 812                 else if( !strncmp( sub->codecName(), "G726", 4 ) )
 813                 {
 814                     tk->fmt.i_codec = VLC_FOURCC( 'g', '7', '2', '6' );
 815                     tk->fmt.audio.i_rate = 8000;
 816                     tk->fmt.audio.i_channels = 1;
 817                     if( !strcmp( sub->codecName()+5, "40" ) )
 818                         tk->fmt.i_bitrate = 40000;
 819                     else if( !strcmp( sub->codecName()+5, "32" ) )
 820                         tk->fmt.i_bitrate = 32000;
 821                     else if( !strcmp( sub->codecName()+5, "24" ) )
 822                         tk->fmt.i_bitrate = 24000;
 823                     else if( !strcmp( sub->codecName()+5, "16" ) )
 824                         tk->fmt.i_bitrate = 16000;
 825                 }
 826                 else if( !strcmp( sub->codecName(), "AMR" ) )
 827                 {
 828                     tk->fmt.i_codec = VLC_FOURCC( 's', 'a', 'm', 'r' );
 829                 }
 830                 else if( !strcmp( sub->codecName(), "AMR-WB" ) )
 831                 {
 832                     tk->fmt.i_codec = VLC_FOURCC( 's', 'a', 'w', 'b' );
 833                 }
 834                 else if( !strcmp( sub->codecName(), "MP4A-LATM" ) )
 835                 {
 836                     unsigned int i_extra;
 837                     uint8_t      *p_extra;
 838
 839                     tk->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'a' );
 840
 841                     if( ( p_extra = parseStreamMuxConfigStr( sub->fmtp_config(),
 842                                                              i_extra ) ) )
 843                     {
 844                         tk->fmt.i_extra = i_extra;
 845                         tk->fmt.p_extra = malloc( i_extra );
 846                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
 847                         delete[] p_extra;
 848                     }
 849                     /* Because the "faad" decoder does not handle the LATM data length field
 850                        at the start of each returned LATM frame, tell the RTP source to omit it. */
 851                     ((MPEG4LATMAudioRTPSource*)sub->rtpSource())->omitLATMDataLengthField();
 852                 }
 853                 else if( !strcmp( sub->codecName(), "MPEG4-GENERIC" ) )
 854                 {
 855                     unsigned int i_extra;
 856                     uint8_t      *p_extra;
 857
 858                     tk->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'a' );
 859
 860                     if( ( p_extra = parseGeneralConfigStr( sub->fmtp_config(),
 861                                                            i_extra ) ) )
 862                     {
 863                         tk->fmt.i_extra = i_extra;
 864                         tk->fmt.p_extra = malloc( i_extra );
 865                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
 866                         delete[] p_extra;
 867                     }
 868                 }
 869                 else if( !strcmp( sub->codecName(), "X-ASF-PF" ) )
 870                 {
 871                     tk->b_asf = true;
 872                     if( p_sys->p_out_asf == NULL )
 873                         p_sys->p_out_asf = stream_DemuxNew( p_demux, "asf",
 874                                                             p_demux->out );
 875                 }
 876                 else if( !strcmp( sub->codecName(), "X-QT" ) ||
 877                          !strcmp( sub->codecName(), "X-QUICKTIME" ) )
 878                 {
 879                     tk->b_quicktime = true;
 880                 }
 881                 else if( !strcmp( sub->codecName(), "SPEEX" ) )
 882                 {
 883                     tk->fmt.i_codec = VLC_FOURCC( 's', 'p', 'x', 'r' );
 884                     if ( sub->rtpTimestampFrequency() )
 885                         tk->fmt.audio.i_rate = sub->rtpTimestampFrequency();
 886                     else
 887                     {
 888                         msg_Warn( p_demux,"Using 8kHz as default sample rate." );
 889                         tk->fmt.audio.i_rate = 8000;
 890                     }
 891                 }
 892             }
 893             else if( !strcmp( sub->mediumName(), "video" ) )
 894             {
 895                 es_format_Init( &tk->fmt, VIDEO_ES, VLC_FOURCC('u','n','d','f') );
 896                 if( !strcmp( sub->codecName(), "MPV" ) )
 897                 {
 898                     tk->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'v' );
 899                 }
 900                 else if( !strcmp( sub->codecName(), "H263" ) ||
 901                          !strcmp( sub->codecName(), "H263-1998" ) ||
 902                          !strcmp( sub->codecName(), "H263-2000" ) )
 903                 {
 904                     tk->fmt.i_codec = VLC_FOURCC( 'H', '2', '6', '3' );
 905                 }
 906                 else if( !strcmp( sub->codecName(), "H261" ) )
 907                 {
 908                     tk->fmt.i_codec = VLC_FOURCC( 'H', '2', '6', '1' );
 909                 }
 910                 else if( !strcmp( sub->codecName(), "H264" ) )
 911                 {
 912                     unsigned int i_extra = 0;
 913                     uint8_t      *p_extra = NULL;
 914
 915                     tk->fmt.i_codec = VLC_FOURCC( 'h', '2', '6', '4' );
 916                     tk->fmt.b_packetized = false;
 917
 918                     if((p_extra=parseH264ConfigStr( sub->fmtp_spropparametersets(),
 919                                                     i_extra ) ) )
 920                     {
 921                         tk->fmt.i_extra = i_extra;
 922                         tk->fmt.p_extra = malloc( i_extra );
 923                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
 924
 925                         delete[] p_extra;
 926                     }
 927                 }
 928                 else if( !strcmp( sub->codecName(), "JPEG" ) )
 929                 {
 930                     tk->fmt.i_codec = VLC_FOURCC( 'M', 'J', 'P', 'G' );
 931                 }
 932                 else if( !strcmp( sub->codecName(), "MP4V-ES" ) )
 933                 {
 934                     unsigned int i_extra;
 935                     uint8_t      *p_extra;
 936
 937                     tk->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'v' );
 938
 939                     if( ( p_extra = parseGeneralConfigStr( sub->fmtp_config(),
 940                                                            i_extra ) ) )
 941                     {
 942                         tk->fmt.i_extra = i_extra;
 943                         tk->fmt.p_extra = malloc( i_extra );
 944                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
 945                         delete[] p_extra;
 946                     }
 947                 }
 948                 else if( !strcmp( sub->codecName(), "X-QT" ) ||
 949                          !strcmp( sub->codecName(), "X-QUICKTIME" ) ||
 950                          !strcmp( sub->codecName(), "X-QDM" ) ||
 951                          !strcmp( sub->codecName(), "X-SV3V-ES" )  ||
 952                          !strcmp( sub->codecName(), "X-SORENSONVIDEO" ) )
 953                 {
 954                     tk->b_quicktime = true;
 955                 }
 956                 else if( !strcmp( sub->codecName(), "MP2T" ) )
 957                 {
 958                     tk->b_muxed = true;
 959                     tk->p_out_muxed = stream_DemuxNew( p_demux, "ts", p_demux->out );
 960                 }
 961                 else if( !strcmp( sub->codecName(), "MP2P" ) ||
 962                          !strcmp( sub->codecName(), "MP1S" ) )
 963                 {
 964                     tk->b_muxed = true;
 965                     tk->p_out_muxed = stream_DemuxNew( p_demux, "ps",
 966                                                        p_demux->out );
 967                 }
 968                 else if( !strcmp( sub->codecName(), "X-ASF-PF" ) )
 969                 {
 970                     tk->b_asf = true;
 971                     if( p_sys->p_out_asf == NULL )
 972                         p_sys->p_out_asf = stream_DemuxNew( p_demux, "asf",
 973                                                             p_demux->out );;
 974                 }
 975             }
 976
 977             if( !tk->b_quicktime && !tk->b_muxed && !tk->b_asf )
 978             {
 979                 tk->p_es = es_out_Add( p_demux->out, &tk->fmt );
 980             }
 981
 982             if( sub->rtcpInstance() != NULL )
 983             {
 984                 sub->rtcpInstance()->setByeHandler( StreamClose, tk );
 985             }
 986
 987             if( tk->p_es || tk->b_quicktime || tk->b_muxed || tk->b_asf )
 988             {
 989                 /* Append */
 990                 p_sys->track = (live_track_t**)realloc( p_sys->track, sizeof( live_track_t ) * ( p_sys->i_track + 1 ) );
 991                 p_sys->track[p_sys->i_track++] = tk;
 992             }
 993             else
 994             {
 995                 /* BUG ??? */
 996                 msg_Err( p_demux, "unusable RTSP track. this should not happen" );
 997                 es_format_Clean( &tk->fmt );
 998                 free( tk );
 999             }
1000         }
1001     }
1002     delete iter;
1003     if( p_sys->i_track <= 0 ) i_return = VLC_EGENERIC;
1004
1005 #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 1199404800)
1006     /* Retrieve the starttime if possible */
1007     p_sys->i_npt_start = (int64_t)( p_sys->ms->playStartTime() * (double)1000000.0 );
1008 #else
1009     p_sys->i_npt_start = (int64_t) -1;
1010 #endif
1011     if( p_sys->i_npt_start < 0 )
1012         p_sys->i_npt_start = -1;
1013
1014 #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 1199404800)
1015     /* Retrieve the duration if possible */
1016     p_sys->i_npt_length = (int64_t)( p_sys->ms->playEndTime() * (double)1000000.0 );
1017 #else
1018     p_sys->i_npt_length = (int64_t) -1;
1019 #endif
1020     if( p_sys->i_npt_length < 0 )
1021         p_sys->i_npt_length = -1;
1022
1023     msg_Dbg( p_demux, "setup start: %lld stop:%lld", p_sys->i_npt_start, p_sys->i_npt_length );
1024     return i_return;
1025 }
1026
1027 /*****************************************************************************
1028  * Play: starts the actual playback of the stream
1029  *****************************************************************************/
1030 static int Play( demux_t *p_demux )
1031 {
1032     demux_sys_t *p_sys = p_demux->p_sys;
1033     int i;
1034
1035     if( p_sys->rtsp )
1036     {
1037         /* The PLAY */
1038         if( !p_sys->rtsp->playMediaSession( *p_sys->ms, p_sys->i_npt_start, -1, 1 ) )
1039         {
1040             msg_Err( p_demux, "RTSP PLAY failed %s", p_sys->env->getResultMsg() );
1041             return VLC_EGENERIC;
1042         }
1043
1044         /* Retrieve the timeout value and set up a timeout prevention thread */
1045         p_sys->i_timeout = p_sys->rtsp->sessionTimeoutParameter();
1046         if( p_sys->i_timeout <= 0 )
1047             p_sys->i_timeout = 60; /* default value from RFC2326 */
1048
1049         /* start timeout-thread only on x-asf streams (wms), it has rtcp support but doesn't
1050          * seem to use it for liveness/keep-alive, get_parameter seems to work for it. get_parameter
1051          * doesn't work with dss 5.5.4 & 5.5.5, they seems to work with rtcp */
1052         if( !p_sys->p_timeout && p_sys->p_out_asf )
1053         {
1054             msg_Dbg( p_demux, "We have a timeout of %d seconds",  p_sys->i_timeout );
1055             p_sys->p_timeout = (timeout_thread_t *)vlc_object_create( p_demux, sizeof(timeout_thread_t) );
1056             p_sys->p_timeout->p_sys = p_demux->p_sys; /* lol, object recursion :D */
1057             if( vlc_thread_create( p_sys->p_timeout, "liveMedia-timeout", TimeoutPrevention,
1058                                    VLC_THREAD_PRIORITY_LOW, true ) )
1059             {
1060                 msg_Err( p_demux, "cannot spawn liveMedia timeout thread" );
1061                 vlc_object_release( p_sys->p_timeout );
1062             }
1063             msg_Dbg( p_demux, "spawned timeout thread" );
1064             vlc_object_attach( p_sys->p_timeout, p_demux );
1065         }
1066     }
1067     p_sys->i_pcr = 0;
1068
1069 #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 1195257600)
1070     for( i = 0; i < p_sys->i_track; i++ )
1071     {
1072         if( !p_sys->track[i]->b_rtcp_sync )
1073             p_sys->track[i]->i_pts = (int64_t) ( p_sys->track[i]->sub->rtpInfo.timestamp * (double)1000000.0 );
1074         p_sys->track[i]->i_start_seq = (int)p_sys->track[i]->sub->rtpInfo.seqNum;
1075         msg_Info( p_demux, "set startseq: %u", p_sys->track[i]->i_start_seq );
1076     }
1077 #endif
1078
1079 #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 1199404800)
1080     /* Retrieve the starttime if possible */
1081     p_sys->i_npt_start = (int64_t)( p_sys->ms->playStartTime() * (double)1000000.0 );
1082 #else
1083     p_sys->i_npt_start = -1;
1084 #endif
1085     if( p_sys->i_npt_start < 0 )
1086         p_sys->i_npt_start = -1;
1087
1088 #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 1199404800)
1089     /* Retrieve the duration if possible */
1090     p_sys->i_npt_length = (int64_t)( p_sys->ms->playEndTime() * (double)1000000.0 );
1091 #else
1092     p_sys->i_npt_length = -1;
1093 #endif
1094     if( p_sys->i_npt_length < 0 )
1095         p_sys->i_npt_length = -1;
1096
1097     msg_Dbg( p_demux, "play start: %lld stop:%lld", p_sys->i_npt_start, p_sys->i_npt_length );
1098     return VLC_SUCCESS;
1099 }
1100
1101
1102 /*****************************************************************************
1103  * Demux:
1104  *****************************************************************************/
1105 static int Demux( demux_t *p_demux )
1106 {
1107     demux_sys_t    *p_sys = p_demux->p_sys;
1108     TaskToken      task;
1109
1110     bool      b_send_pcr = true;
1111     int64_t         i_pcr = 0;
1112     int             i;
1113
1114     /* Check if we need to send the server a Keep-A-Live signal */
1115     if( p_sys->b_timeout_call && p_sys->rtsp && p_sys->ms )
1116     {
1117         char *psz_bye = NULL;
1118         p_sys->rtsp->getMediaSessionParameter( *p_sys->ms, NULL, psz_bye );
1119         p_sys->b_timeout_call = false;
1120     }
1121
1122
1123     for( i = 0; i < p_sys->i_track; i++ )
1124     {
1125         live_track_t *tk = p_sys->track[i];
1126
1127         if( tk->b_asf || tk->b_muxed )
1128             b_send_pcr = false;
1129 #if 0
1130         if( i_pcr == 0 )
1131         {
1132             i_pcr = tk->i_pts;
1133         }
1134         else if( tk->i_pts != 0 && i_pcr > tk->i_pts )
1135         {
1136             i_pcr = tk->i_pts ;
1137         }
1138 #endif
1139     }
1140     if( p_sys->i_pcr > 0 )
1141     {
1142         if( b_send_pcr )
1143             es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_sys->i_pcr );
1144     }
1145
1146     /* First warn we want to read data */
1147     p_sys->event = 0;
1148     for( i = 0; i < p_sys->i_track; i++ )
1149     {
1150         live_track_t *tk = p_sys->track[i];
1151
1152         if( tk->waiting == 0 )
1153         {
1154             tk->waiting = 1;
1155             tk->sub->readSource()->getNextFrame( tk->p_buffer, tk->i_buffer,
1156                                           StreamRead, tk, StreamClose, tk );
1157         }
1158     }
1159     /* Create a task that will be called if we wait more than 300ms */
1160     task = p_sys->scheduler->scheduleDelayedTask( 300000, TaskInterrupt, p_demux );
1161
1162     /* Do the read */
1163     p_sys->scheduler->doEventLoop( &p_sys->event );
1164
1165     /* remove the task */
1166     p_sys->scheduler->unscheduleDelayedTask( task );
1167
1168     /* Check for gap in pts value */
1169     for( i = 0; i < p_sys->i_track; i++ )
1170     {
1171         live_track_t *tk = p_sys->track[i];
1172
1173         if( !tk->b_muxed && !tk->b_rtcp_sync &&
1174             tk->sub->rtpSource() && tk->sub->rtpSource()->hasBeenSynchronizedUsingRTCP() )
1175         {
1176             msg_Dbg( p_demux, "tk->rtpSource->hasBeenSynchronizedUsingRTCP()" );
1177
1178             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
1179             tk->b_rtcp_sync = true;
1180             /* reset PCR */
1181             tk->i_pts = 0;
1182             p_sys->i_pcr = 0;
1183             i_pcr = 0;
1184         }
1185     }
1186
1187     if( p_sys->b_multicast && p_sys->b_no_data &&
1188         ( p_sys->i_no_data_ti > 120 ) )
1189     {
1190         /* FIXME Make this configurable
1191         msg_Err( p_demux, "no multicast data received in 36s, aborting" );
1192         return 0;
1193         */
1194     }
1195     else if( !p_sys->b_multicast && p_sys->b_no_data &&
1196              ( p_sys->i_no_data_ti > 34 ) )
1197     {
1198         bool b_rtsp_tcp = var_GetBool( p_demux, "rtsp-tcp" ) ||
1199                                 var_GetBool( p_demux, "rtsp-http" );
1200
1201         if( !b_rtsp_tcp && p_sys->rtsp && p_sys->ms )
1202         {
1203             msg_Warn( p_demux, "no data received in 10s. Switching to TCP" );
1204             if( RollOverTcp( p_demux ) )
1205             {
1206                 msg_Err( p_demux, "TCP rollover failed, aborting" );
1207                 return 0;
1208             }
1209         }
1210         msg_Err( p_demux, "no data received in 10s, aborting" );
1211         return 0;
1212     }
1213     else if( !p_sys->b_multicast && p_sys->i_no_data_ti > 34 )
1214     {
1215         /* EOF ? */
1216         msg_Warn( p_demux, "no data received in 10s, eof ?" );
1217         return 0;
1218     }
1219     return p_demux->b_error ? 0 : 1;
1220 }
1221
1222 /*****************************************************************************
1223  * Control:
1224  *****************************************************************************/
1225 static int Control( demux_t *p_demux, int i_query, va_list args )
1226 {
1227     demux_sys_t *p_sys = p_demux->p_sys;
1228     int64_t *pi64;
1229     double  *pf, f;
1230     bool *pb, *pb2, b_bool;
1231     int *pi_int;
1232
1233     switch( i_query )
1234     {
1235         case DEMUX_GET_TIME:
1236             return VLC_EGENERIC;
1237
1238         case DEMUX_GET_LENGTH:
1239             pi64 = (int64_t*)va_arg( args, int64_t * );
1240             if( p_sys->i_npt_length > 0 )
1241             {
1242                 *pi64 = p_sys->i_npt_length;
1243                 return VLC_SUCCESS;
1244             }
1245             return VLC_EGENERIC;
1246
1247         case DEMUX_GET_POSITION:
1248             return VLC_EGENERIC;
1249
1250         case DEMUX_SET_POSITION:
1251         {
1252             float time;
1253
1254             f = (double)va_arg( args, double );
1255             if( p_sys->rtsp && p_sys->i_npt_length > 0 )
1256             {
1257                 int i;
1258                 time = f * (double)p_sys->i_npt_length / (double)1000000.0;   /* in second */
1259                 if( !p_sys->rtsp->playMediaSession( *p_sys->ms, time, -1, 1 ) )
1260                 {
1261                     msg_Err( p_demux, "PLAY failed %s",
1262                         p_sys->env->getResultMsg() );
1263                     return VLC_EGENERIC;
1264                 }
1265                 es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
1266                 p_sys->i_pcr = 0;
1267 #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 1195257600)
1268                 /* Retrieve RTP-Info values */
1269                 for( i = 0; i < p_sys->i_track; i++ )
1270                 {
1271                     //if( !p_sys->track[i]->b_rtcp_sync )
1272                     p_sys->track[i]->b_rtcp_sync = false;
1273                     p_sys->track[i]->i_pts = (int64_t) ( p_sys->track[i]->sub->rtpInfo.timestamp * (double)1000000.0 );
1274                     p_sys->track[i]->i_start_seq = p_sys->track[i]->sub->rtpInfo.seqNum;
1275                     msg_Info( p_demux, "set pos startseq: %u", p_sys->track[i]->i_start_seq );
1276                 }
1277 #endif
1278 #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 1199404800)
1279                 /* Retrieve the starttime if possible */
1280                 p_sys->i_npt_start = (int64_t)( p_sys->ms->playStartTime() * (double)1000000.0 );
1281 #else
1282                 p_sys->i_npt_start = -1;
1283 #endif
1284                 if( p_sys->i_npt_start < 0 )
1285                     p_sys->i_npt_start = -1;
1286
1287 #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 1199404800)
1288                 /* Retrieve the duration if possible */
1289                 p_sys->i_npt_length = (int64_t)( p_sys->ms->playEndTime() * (double)1000000.0 );
1290 #else
1291                 p_sys->i_npt_length = -1;
1292 #endif
1293                 if( p_sys->i_npt_length < 0 )
1294                     p_sys->i_npt_length = -1;
1295
1296                 msg_Dbg( p_demux, "seek start: %lld stop:%lld", p_sys->i_npt_start, p_sys->i_npt_length );
1297                 return VLC_SUCCESS;
1298             }
1299             return VLC_EGENERIC;
1300         }
1301         /* Special for access_demux */
1302         case DEMUX_CAN_PAUSE:
1303         case DEMUX_CAN_SEEK:
1304             pb = (bool*)va_arg( args, bool * );
1305             if( p_sys->rtsp && p_sys->i_npt_length )
1306                 /* Not always true, but will be handled in SET_PAUSE_STATE */
1307                 *pb = true;
1308             else
1309                 *pb = false;
1310             return VLC_SUCCESS;
1311
1312         case DEMUX_CAN_CONTROL_PACE:
1313             pb = (bool*)va_arg( args, bool * );
1314
1315 #if 1       /* Disable for now until we have a clock synchro algo
1316              * which works with something else than MPEG over UDP */
1317             *pb = false;
1318 #else
1319             *pb = true;
1320 #endif
1321             return VLC_SUCCESS;
1322
1323 #if 0
1324         case DEMUX_CAN_CONTROL_RATE:
1325             pb = (bool*)va_arg( args, bool * );
1326             pb2 = (bool*)va_arg( args, bool * );
1327
1328             *pb = p_sys->rtsp != NULL && p_sys->i_npt_length > 0 && !var_GetBool( p_demux, "rtsp-kasenna" );
1329             *pb2 = false;
1330             return VLC_SUCCESS;
1331
1332         case DEMUX_SET_RATE:
1333         {
1334             double f_scale;
1335
1336             if( !p_sys->rtsp || p_sys->i_npt_length <= 0 || var_GetBool( p_demux, "rtsp-kasenna" ) )
1337                 return VLC_EGENERIC;
1338
1339             /* TODO we might want to ensure that the new rate is different from
1340              * old rate after playMediaSession...
1341              * I have no idea how the server map the requested rate to the
1342              * ones it supports.
1343              * ex:
1344              *  current is x2 we request x1.5 if the server return x2 we will
1345              *  never succeed to return to x1.
1346              *  In this case we should retry with a lower rate until we have
1347              *  one (even x1).
1348              */
1349
1350             pi_int = (int*)va_arg( args, int * );
1351             f_scale = (double)INPUT_RATE_DEFAULT / (*p_int);
1352
1353             /* Passing -1 for the start and end time will mean liveMedia won't
1354             * create a Range: section for the RTSP message. The server should
1355             * pick up from the current position */
1356             if( !p_sys->rtsp->playMediaSession( *p_sys->ms, -1, -1, f_scale ) )
1357             {
1358                 msg_Err( p_demux, "PLAY with Scale %0.2f failed %s", f_scale,
1359                         p_sys->env->getResultMsg() );
1360                 return VLC_EGENERIC;
1361             }
1362             /* ReSync the stream */
1363             p_sys->i_npt_start = 0;
1364             p_sys->i_pcr = 0;
1365             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
1366
1367             *pi_int = (int)( INPUT_RATE_DEFAULT / p_sys->ms->scale() + 0.5 );
1368             return VLC_SUCCESS;
1369         }
1370 #endif
1371
1372         case DEMUX_SET_PAUSE_STATE:
1373         {
1374             int i;
1375
1376             b_bool = (bool)va_arg( args, int );
1377             if( p_sys->rtsp == NULL )
1378                 return VLC_EGENERIC;
1379
1380             /* FIXME */
1381             if( ( b_bool && !p_sys->rtsp->pauseMediaSession( *p_sys->ms ) ) ||
1382                     ( !b_bool && !p_sys->rtsp->playMediaSession( *p_sys->ms,
1383                        -1 ) ) )
1384             {
1385                     msg_Err( p_demux, "PLAY or PAUSE failed %s", p_sys->env->getResultMsg() );
1386                     return VLC_EGENERIC;
1387             }
1388
1389             /* When we Pause, we'll need the TimeoutPrevention thread to
1390              * handle sending the "Keep Alive" message to the server.
1391              * Unfortunately Live555 isn't thread safe and so can't
1392              * do this normally while the main Demux thread is handling
1393              * a live stream. We end up with the Timeout thread blocking
1394              * waiting for a response from the server. So when we PAUSE
1395              * we set a flag that the TimeoutPrevention function will check
1396              * and if it's set, it will trigger the GET_PARAMETER message */
1397             if( b_bool && p_sys->p_timeout != NULL )
1398                 p_sys->p_timeout->b_handle_keep_alive = true;
1399             else if( !b_bool && p_sys->p_timeout != NULL )
1400                 p_sys->p_timeout->b_handle_keep_alive = false;
1401
1402             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
1403             p_sys->i_pcr = 0;
1404 #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 1195257600)
1405             for( i = 0; i < p_sys->i_track; i++ )
1406             {
1407                 if( !p_sys->track[i]->b_rtcp_sync )
1408                     p_sys->track[i]->i_pts = 0; // (int64_t) ( p_sys->track[i]->sub->rtpInfo.timestamp * (double)1000000.0 );
1409                 p_sys->track[i]->i_start_seq = p_sys->track[i]->sub->rtpInfo.seqNum;
1410                 msg_Info( p_demux, "set pause startseq: %u", p_sys->track[i]->i_start_seq );
1411             }
1412 #endif
1413 #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 1199404800)
1414             /* Retrieve the starttime if possible */
1415             p_sys->i_npt_start = (int64_t)( p_sys->ms->playStartTime() * (double)1000000.0 );
1416 #else
1417             p_sys->i_npt_start = -1;
1418 #endif
1419             if( p_sys->i_npt_start < 0 )
1420                 p_sys->i_npt_start = -1;
1421
1422 #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 1199404800)
1423             /* Retrieve the duration if possible */
1424             p_sys->i_npt_length = (int64_t)( p_sys->ms->playEndTime() * (double)1000000.0 );
1425 #else
1426             p_sys->i_npt_length = -1;
1427 #endif
1428             if( p_sys->i_npt_length < 0 )
1429                 p_sys->i_npt_length = -1;
1430
1431             msg_Dbg( p_demux, "pause start: %lld stop:%lld", p_sys->i_npt_start, p_sys->i_npt_length );
1432             return VLC_SUCCESS;
1433         }
1434         case DEMUX_GET_TITLE_INFO:
1435         case DEMUX_SET_TITLE:
1436         case DEMUX_SET_SEEKPOINT:
1437             return VLC_EGENERIC;
1438
1439         case DEMUX_GET_PTS_DELAY:
1440             pi64 = (int64_t*)va_arg( args, int64_t * );
1441             *pi64 = (int64_t)var_GetInteger( p_demux, "rtsp-caching" ) * 1000;
1442             return VLC_SUCCESS;
1443
1444         default:
1445             return VLC_EGENERIC;
1446     }
1447 }
1448
1449 /*****************************************************************************
1450  * RollOverTcp: reopen the rtsp into TCP mode
1451  * XXX: ugly, a lot of code are duplicated from Open()
1452  * This should REALLY be fixed
1453  *****************************************************************************/
1454 static int RollOverTcp( demux_t *p_demux )
1455 {
1456     demux_sys_t *p_sys = p_demux->p_sys;
1457     int i, i_return;
1458
1459     var_SetBool( p_demux, "rtsp-tcp", true );
1460
1461     /* We close the old RTSP session */
1462     for( i = 0; i < p_sys->i_track; i++ )
1463     {
1464         live_track_t *tk = p_sys->track[i];
1465
1466         if( tk->b_muxed ) stream_DemuxDelete( tk->p_out_muxed );
1467         es_format_Clean( &tk->fmt );
1468         free( tk->p_buffer );
1469         free( tk );
1470     }
1471     if( p_sys->i_track ) free( p_sys->track );
1472     if( p_sys->p_out_asf ) stream_DemuxDelete( p_sys->p_out_asf );
1473
1474     p_sys->rtsp->teardownMediaSession( *p_sys->ms );
1475     Medium::close( p_sys->ms );
1476     RTSPClient::close( p_sys->rtsp );
1477
1478     p_sys->ms = NULL;
1479     p_sys->rtsp = NULL;
1480     p_sys->track = NULL;
1481     p_sys->i_track = 0;
1482
1483     /* Reopen rtsp client */
1484     if( ( p_demux->s != NULL ) &&
1485         ( i_return = Connect( p_demux ) ) != VLC_SUCCESS )
1486     {
1487         msg_Err( p_demux, "Failed to connect with rtsp://%s",
1488                  p_sys->psz_path );
1489         goto error;
1490     }
1491
1492     if( p_sys->p_sdp == NULL )
1493     {
1494         msg_Err( p_demux, "Failed to retrieve the RTSP Session Description" );
1495         goto error;
1496     }
1497
1498     if( ( i_return = SessionsSetup( p_demux ) ) != VLC_SUCCESS )
1499     {
1500         msg_Err( p_demux, "Nothing to play for rtsp://%s", p_sys->psz_path );
1501         goto error;
1502     }
1503
1504     if( ( i_return = Play( p_demux ) ) != VLC_SUCCESS )
1505         goto error;
1506
1507     return VLC_SUCCESS;
1508
1509 error:
1510     return VLC_EGENERIC;
1511 }
1512
1513
1514 /*****************************************************************************
1515  *
1516  *****************************************************************************/
1517 static void StreamRead( void *p_private, unsigned int i_size,
1518                         unsigned int i_truncated_bytes, struct timeval pts,
1519                         unsigned int duration )
1520 {
1521     live_track_t   *tk = (live_track_t*)p_private;
1522     demux_t        *p_demux = tk->p_demux;
1523     demux_sys_t    *p_sys = p_demux->p_sys;
1524     block_t        *p_block;
1525
1526     //msg_Dbg( p_demux, "pts: %d", pts.tv_sec );
1527
1528     int64_t i_pts = (uint64_t)pts.tv_sec * UINT64_C(1000000) +
1529         (uint64_t)pts.tv_usec;
1530
1531     /* XXX Beurk beurk beurk Avoid having negative value XXX */
1532     i_pts &= UINT64_C(0x00ffffffffffffff);
1533
1534     if( tk->b_quicktime && tk->p_es == NULL )
1535     {
1536         QuickTimeGenericRTPSource *qtRTPSource =
1537             (QuickTimeGenericRTPSource*)tk->sub->rtpSource();
1538         QuickTimeGenericRTPSource::QTState &qtState = qtRTPSource->qtState;
1539         uint8_t *sdAtom = (uint8_t*)&qtState.sdAtom[4];
1540
1541         if( tk->fmt.i_cat == VIDEO_ES ) {
1542             if( qtState.sdAtomSize < 16 + 32 )
1543             {
1544                 /* invalid */
1545                 p_sys->event = 0xff;
1546                 tk->waiting = 0;
1547                 return;
1548             }
1549             tk->fmt.i_codec = VLC_FOURCC(sdAtom[0],sdAtom[1],sdAtom[2],sdAtom[3]);
1550             tk->fmt.video.i_width  = (sdAtom[28] << 8) | sdAtom[29];
1551             tk->fmt.video.i_height = (sdAtom[30] << 8) | sdAtom[31];
1552
1553             if( tk->fmt.i_codec == VLC_FOURCC('a', 'v', 'c', '1') )
1554             {
1555                 uint8_t *pos = (uint8_t*)qtRTPSource->qtState.sdAtom + 86;
1556                 uint8_t *endpos = (uint8_t*)qtRTPSource->qtState.sdAtom
1557                                   + qtRTPSource->qtState.sdAtomSize;
1558                 while (pos+8 < endpos) {
1559                     unsigned int atomLength = pos[0]<<24 | pos[1]<<16 | pos[2]<<8 | pos[3];
1560                     if( atomLength == 0 || atomLength > (unsigned int)(endpos-pos)) break;
1561                     if( memcmp(pos+4, "avcC", 4) == 0 &&
1562                         atomLength > 8 &&
1563                         atomLength <= INT_MAX )
1564                     {
1565                         tk->fmt.i_extra = atomLength-8;
1566                         tk->fmt.p_extra = malloc( tk->fmt.i_extra );
1567                         memcpy(tk->fmt.p_extra, pos+8, atomLength-8);
1568                         break;
1569                     }
1570                     pos += atomLength;
1571                 }
1572             }
1573             else
1574             {
1575                 tk->fmt.i_extra        = qtState.sdAtomSize - 16;
1576                 tk->fmt.p_extra        = malloc( tk->fmt.i_extra );
1577                 memcpy( tk->fmt.p_extra, &sdAtom[12], tk->fmt.i_extra );
1578             }
1579         }
1580         else {
1581             if( qtState.sdAtomSize < 4 )
1582             {
1583                 /* invalid */
1584                 p_sys->event = 0xff;
1585                 tk->waiting = 0;
1586                 return;
1587             }
1588             tk->fmt.i_codec = VLC_FOURCC(sdAtom[0],sdAtom[1],sdAtom[2],sdAtom[3]);
1589         }
1590         tk->p_es = es_out_Add( p_demux->out, &tk->fmt );
1591     }
1592
1593 #if 0
1594     fprintf( stderr, "StreamRead size=%d pts=%lld\n",
1595              i_size,
1596              pts.tv_sec * 1000000LL + pts.tv_usec );
1597 #endif
1598
1599     /* grow buffer if it looks like buffer is too small, but don't eat
1600      * up all the memory on strange streams */
1601     if( i_truncated_bytes > 0 && tk->i_buffer < 2000000 )
1602     {
1603         void *p_tmp;
1604         msg_Dbg( p_demux, "lost %d bytes", i_truncated_bytes );
1605         msg_Dbg( p_demux, "increasing buffer size to %d", tk->i_buffer * 2 );
1606         tk->i_buffer *= 2;
1607         p_tmp = realloc( tk->p_buffer, tk->i_buffer );
1608         if( p_tmp == NULL )
1609         {
1610             msg_Warn( p_demux, "realloc failed" );
1611         }
1612         else
1613         {
1614             tk->p_buffer = (uint8_t*)p_tmp;
1615         }
1616     }
1617     if( i_size > tk->i_buffer )
1618     {
1619         msg_Warn( p_demux, "buffer overflow" );
1620     }
1621     /* FIXME could i_size be > buffer size ? */
1622     if( tk->fmt.i_codec == VLC_FOURCC('s','a','m','r') ||
1623         tk->fmt.i_codec == VLC_FOURCC('s','a','w','b') )
1624     {
1625         AMRAudioSource *amrSource = (AMRAudioSource*)tk->sub->readSource();
1626
1627         p_block = block_New( p_demux, i_size + 1 );
1628         p_block->p_buffer[0] = amrSource->lastFrameHeader();
1629         memcpy( p_block->p_buffer + 1, tk->p_buffer, i_size );
1630     }
1631     else if( tk->fmt.i_codec == VLC_FOURCC('H','2','6','1') )
1632     {
1633 #if LIVEMEDIA_LIBRARY_VERSION_INT >= 1081468800
1634         H261VideoRTPSource *h261Source = (H261VideoRTPSource*)tk->sub->rtpSource();
1635         uint32_t header = h261Source->lastSpecialHeader();
1636 #else
1637         uint32_t header = 0;
1638         msg_Warn( p_demux, "need livemedia library >= \"2004.04.09\"" );
1639 #endif
1640         p_block = block_New( p_demux, i_size + 4 );
1641         memcpy( p_block->p_buffer, &header, 4 );
1642         memcpy( p_block->p_buffer + 4, tk->p_buffer, i_size );
1643
1644         if( tk->sub->rtpSource()->curPacketMarkerBit() )
1645             p_block->i_flags |= BLOCK_FLAG_END_OF_FRAME;
1646     }
1647     else if( tk->fmt.i_codec == VLC_FOURCC('h','2','6','4') )
1648     {
1649         if( (tk->p_buffer[0] & 0x1f) >= 24 )
1650             msg_Warn( p_demux, "unsupported NAL type for H264" );
1651
1652         /* Normal NAL type */
1653         p_block = block_New( p_demux, i_size + 4 );
1654         p_block->p_buffer[0] = 0x00;
1655         p_block->p_buffer[1] = 0x00;
1656         p_block->p_buffer[2] = 0x00;
1657         p_block->p_buffer[3] = 0x01;
1658         memcpy( &p_block->p_buffer[4], tk->p_buffer, i_size );
1659     }
1660     else if( tk->b_asf )
1661     {
1662         int i_copy = __MIN( p_sys->asfh.i_min_data_packet_size, (int)i_size );
1663         p_block = block_New( p_demux, p_sys->asfh.i_min_data_packet_size );
1664
1665         memcpy( p_block->p_buffer, tk->p_buffer, i_copy );
1666     }
1667     else
1668     {
1669         p_block = block_New( p_demux, i_size );
1670         memcpy( p_block->p_buffer, tk->p_buffer, i_size );
1671     }
1672
1673     if( p_sys->i_pcr < i_pts )
1674     {
1675         p_sys->i_pcr = i_pts;
1676     }
1677
1678     if( (i_pts != tk->i_pts) && (!tk->b_muxed) )
1679     {
1680         p_block->i_pts = i_pts;
1681     }
1682     if( !tk->b_muxed )
1683     {
1684         /*FIXME: for h264 you should check that packetization-mode=1 in sdp-file */
1685         p_block->i_dts = ( tk->fmt.i_codec == VLC_FOURCC( 'm', 'p', 'g', 'v' ) ) ? 0 : i_pts;
1686     }
1687
1688     if( tk->b_muxed )
1689     {
1690         stream_DemuxSend( tk->p_out_muxed, p_block );
1691     }
1692     else if( tk->b_asf )
1693     {
1694         stream_DemuxSend( p_sys->p_out_asf, p_block );
1695     }
1696     else
1697     {
1698         es_out_Send( p_demux->out, tk->p_es, p_block );
1699     }
1700
1701     /* warn that's ok */
1702     p_sys->event = 0xff;
1703
1704     /* we have read data */
1705     tk->waiting = 0;
1706     p_demux->p_sys->b_no_data = false;
1707     p_demux->p_sys->i_no_data_ti = 0;
1708
1709     if( i_pts > 0 && !tk->b_muxed )
1710     {
1711         tk->i_pts = i_pts;
1712     }
1713 }
1714
1715 /*****************************************************************************
1716  *
1717  *****************************************************************************/
1718 static void StreamClose( void *p_private )
1719 {
1720     live_track_t   *tk = (live_track_t*)p_private;
1721     demux_t        *p_demux = tk->p_demux;
1722     demux_sys_t    *p_sys = p_demux->p_sys;
1723
1724     msg_Dbg( p_demux, "StreamClose" );
1725
1726     p_sys->event = 0xff;
1727     p_demux->b_error = true;
1728 }
1729
1730
1731 /*****************************************************************************
1732  *
1733  *****************************************************************************/
1734 static void TaskInterrupt( void *p_private )
1735 {
1736     demux_t *p_demux = (demux_t*)p_private;
1737
1738     p_demux->p_sys->i_no_data_ti++;
1739
1740     /* Avoid lock */
1741     p_demux->p_sys->event = 0xff;
1742 }
1743
1744 /*****************************************************************************
1745  *
1746  *****************************************************************************/
1747 static void TimeoutPrevention( timeout_thread_t *p_timeout )
1748 {
1749     p_timeout->b_die = false;
1750     p_timeout->i_remain = (int64_t)p_timeout->p_sys->i_timeout -2;
1751     p_timeout->i_remain *= 1000000;
1752
1753     vlc_thread_ready( p_timeout );
1754
1755     /* Avoid lock */
1756     while( vlc_object_alive (p_timeout) )
1757     {
1758         if( p_timeout->i_remain <= 0 )
1759         {
1760             char *psz_bye = NULL;
1761             p_timeout->i_remain = (int64_t)p_timeout->p_sys->i_timeout -2;
1762             p_timeout->i_remain *= 1000000;
1763             msg_Dbg( p_timeout, "reset the timeout timer" );
1764             if( p_timeout->b_handle_keep_alive == true )
1765             {
1766 #if LIVEMEDIA_LIBRARY_VERSION_INT >= 1138089600
1767                 p_timeout->p_sys->rtsp->getMediaSessionParameter( *p_timeout->p_sys->ms, NULL, psz_bye );
1768 #endif
1769                 p_timeout->p_sys->b_timeout_call = false;
1770             }
1771             else
1772             {
1773                 p_timeout->p_sys->b_timeout_call = true;
1774             }
1775         }
1776         p_timeout->i_remain -= 200000;
1777         msleep( 200000 ); /* 200 ms */
1778     }
1779 }
1780
1781 /*****************************************************************************
1782  *
1783  *****************************************************************************/
1784 static int b64_decode( char *dest, char *src );
1785
1786 static int ParseASF( demux_t *p_demux )
1787 {
1788     demux_sys_t    *p_sys = p_demux->p_sys;
1789
1790     const char *psz_marker = "a=pgmpu:data:application/vnd.ms.wms-hdr.asfv1;base64,";
1791     char *psz_asf = strcasestr( p_sys->p_sdp, psz_marker );
1792     char *psz_end;
1793     block_t *p_header;
1794
1795     /* Parse the asf header */
1796     if( psz_asf == NULL )
1797         return VLC_EGENERIC;
1798
1799     psz_asf += strlen( psz_marker );
1800     psz_asf = strdup( psz_asf );    /* Duplicate it */
1801     psz_end = strchr( psz_asf, '\n' );
1802
1803     while( psz_end > psz_asf && ( *psz_end == '\n' || *psz_end == '\r' ) )
1804         *psz_end-- = '\0';
1805
1806     if( psz_asf >= psz_end )
1807     {
1808         free( psz_asf );
1809         return VLC_EGENERIC;
1810     }
1811
1812     /* Always smaller */
1813     p_header = block_New( p_demux, psz_end - psz_asf );
1814     p_header->i_buffer = b64_decode( (char*)p_header->p_buffer, psz_asf );
1815     //msg_Dbg( p_demux, "Size=%d Hdrb64=%s", p_header->i_buffer, psz_asf );
1816     if( p_header->i_buffer <= 0 )
1817     {
1818         free( psz_asf );
1819         return VLC_EGENERIC;
1820     }
1821
1822     /* Parse it to get packet size */
1823     asf_HeaderParse( &p_sys->asfh, p_header->p_buffer, p_header->i_buffer );
1824
1825     /* Send it to demuxer */
1826     stream_DemuxSend( p_sys->p_out_asf, p_header );
1827
1828     free( psz_asf );
1829     return VLC_SUCCESS;
1830 }
1831
1832
1833 static unsigned char* parseH264ConfigStr( char const* configStr,
1834                                           unsigned int& configSize )
1835 {
1836     char *dup, *psz;
1837     int i, i_records = 1;
1838
1839     if( configSize )
1840     configSize = 0;
1841
1842     if( configStr == NULL || *configStr == '\0' )
1843         return NULL;
1844
1845     psz = dup = strdup( configStr );
1846
1847     /* Count the number of comma's */
1848     for( psz = dup; *psz != '\0'; ++psz )
1849     {
1850         if( *psz == ',')
1851         {
1852             ++i_records;
1853             *psz = '\0';
1854         }
1855     }
1856
1857     unsigned char *cfg = new unsigned char[5 * strlen(dup)];
1858     psz = dup;
1859     for( i = 0; i < i_records; i++ )
1860     {
1861         cfg[configSize++] = 0x00;
1862         cfg[configSize++] = 0x00;
1863         cfg[configSize++] = 0x00;
1864         cfg[configSize++] = 0x01;
1865
1866         configSize += b64_decode( (char*)&cfg[configSize], psz );
1867         psz += strlen(psz)+1;
1868     }
1869
1870     free( dup );
1871     return cfg;
1872 }
1873
1874 /*char b64[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";*/
1875 static int b64_decode( char *dest, char *src )
1876 {
1877     const char *dest_start = dest;
1878     int  i_level;
1879     int  last = 0;
1880     int  b64[256] = {
1881         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* 00-0F */
1882         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* 10-1F */
1883         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,62,-1,-1,-1,63,  /* 20-2F */
1884         52,53,54,55,56,57,58,59,60,61,-1,-1,-1,-1,-1,-1,  /* 30-3F */
1885         -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10,11,12,13,14,  /* 40-4F */
1886         15,16,17,18,19,20,21,22,23,24,25,-1,-1,-1,-1,-1,  /* 50-5F */
1887         -1,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,  /* 60-6F */
1888         41,42,43,44,45,46,47,48,49,50,51,-1,-1,-1,-1,-1,  /* 70-7F */
1889         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* 80-8F */
1890         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* 90-9F */
1891         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* A0-AF */
1892         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* B0-BF */
1893         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* C0-CF */
1894         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* D0-DF */
1895         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* E0-EF */
1896         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1   /* F0-FF */
1897         };
1898
1899     for( i_level = 0; *src != '\0'; src++ )
1900     {
1901         int  c;
1902
1903         c = b64[(unsigned int)*src];
1904         if( c == -1 )
1905         {
1906             continue;
1907         }
1908
1909         switch( i_level )
1910         {
1911             case 0:
1912                 i_level++;
1913                 break;
1914             case 1:
1915                 *dest++ = ( last << 2 ) | ( ( c >> 4)&0x03 );
1916                 i_level++;
1917                 break;
1918             case 2:
1919                 *dest++ = ( ( last << 4 )&0xf0 ) | ( ( c >> 2 )&0x0f );
1920                 i_level++;
1921                 break;
1922             case 3:
1923                 *dest++ = ( ( last &0x03 ) << 6 ) | c;
1924                 i_level = 0;
1925         }
1926         last = c;
1927     }
1928
1929     *dest = '\0';
1930
1931     return dest - dest_start;
1932 }