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

   1 /*****************************************************************************
   2  * live555.cpp : LIVE555 Streaming Media support.
   3  *****************************************************************************
   4  * Copyright (C) 2003-2007 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Laurent Aimar <fenrir@via.ecp.fr>
   8  *          Derk-Jan Hartman <hartman at videolan. org>
   9  *          Derk-Jan Hartman <djhartman at m2x .dot. nl> for M2X
  10  *
  11  * This program is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License as published by
  13  * the Free Software Foundation; either version 2 of the License, or
  14  * (at your option) any later version.
  15  *
  16  * This program is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  * GNU General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License along
  22  * with this program; if not, write to the Free Software Foundation, Inc.,
  23  * 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  24  *****************************************************************************/
  25
  26 /*****************************************************************************
  27  * Preamble
  28  *****************************************************************************/
  29
  30 /* For inttypes.h
  31  * Note: config.h may include inttypes.h, so make sure we define this option
  32  * early enough. */
  33 #define __STDC_CONSTANT_MACROS 1
  34
  35 #ifdef HAVE_CONFIG_H
  36 # include "config.h"
  37 #endif
  38
  39 #include <inttypes.h>
  40
  41 #include <vlc_common.h>
  42 #include <vlc_plugin.h>
  43 #include <vlc_input.h>
  44 #include <vlc_demux.h>
  45 #include <vlc_dialog.h>
  46 #include <vlc_url.h>
  47 #include <vlc_strings.h>
  48
  49 #include <iostream>
  50 #include <limits.h>
  51 #include <assert.h>
  52
  53
  54 #if defined( WIN32 )
  55 #   include <winsock2.h>
  56 #endif
  57
  58 #include <UsageEnvironment.hh>
  59 #include <BasicUsageEnvironment.hh>
  60 #include <GroupsockHelper.hh>
  61 #include <liveMedia.hh>
  62
  63 extern "C" {
  64 #include "../access/mms/asf.h"  /* Who said ugly ? */
  65 }
  66
  67 using namespace std;
  68
  69 /*****************************************************************************
  70  * Module descriptor
  71  *****************************************************************************/
  72 static int  Open ( vlc_object_t * );
  73 static void Close( vlc_object_t * );
  74
  75 #define CACHING_TEXT N_("Caching value (ms)")
  76 #define CACHING_LONGTEXT N_( \
  77     "Allows you to modify the default caching value for RTSP streams. This " \
  78     "value should be set in millisecond units." )
  79
  80 #define KASENNA_TEXT N_( "Kasenna RTSP dialect")
  81 #define KASENNA_LONGTEXT N_( "Kasenna servers use an old and nonstandard " \
  82     "dialect of RTSP. With this parameter VLC will try this dialect, but "\
  83     "then it cannot connect to normal RTSP servers." )
  84
  85 #define WMSERVER_TEXT N_("WMServer RTSP dialect")
  86 #define WMSERVER_LONGTEXT N_("WMServer uses an unstandard dialect " \
  87     "of RTSP. Selecting this parameter will tell VLC to assume some " \
  88     "options contrary to RFC 2326 guidelines.")
  89
  90 #define USER_TEXT N_("RTSP user name")
  91 #define USER_LONGTEXT N_("Sets the username for the connection, " \
  92     "if no username or password are set in the url.")
  93 #define PASS_TEXT N_("RTSP password")
  94 #define PASS_LONGTEXT N_("Sets the password for the connection, " \
  95     "if no username or password are set in the url.")
  96
  97 vlc_module_begin ()
  98     set_description( N_("RTP/RTSP/SDP demuxer (using Live555)" ) )
  99     set_capability( "demux", 50 )
 100     set_shortname( "RTP/RTSP")
 101     set_callbacks( Open, Close )
 102     add_shortcut( "live" )
 103     add_shortcut( "livedotcom" )
 104     set_category( CAT_INPUT )
 105     set_subcategory( SUBCAT_INPUT_DEMUX )
 106
 107     add_submodule ()
 108         set_description( N_("RTSP/RTP access and demux") )
 109         add_shortcut( "rtsp" )
 110         add_shortcut( "sdp" )
 111         add_shortcut( "live" )
 112         add_shortcut( "livedotcom" )
 113         set_capability( "access_demux", 0 )
 114         set_callbacks( Open, Close )
 115         add_bool( "rtsp-tcp", 0, NULL,
 116                   N_("Use RTP over RTSP (TCP)"),
 117                   N_("Use RTP over RTSP (TCP)"), true )
 118             change_safe()
 119         add_integer( "rtp-client-port", -1, NULL,
 120                   N_("Client port"),
 121                   N_("Port to use for the RTP source of the session"), true )
 122         add_bool( "rtsp-mcast", false, NULL,
 123                   N_("Force multicast RTP via RTSP"),
 124                   N_("Force multicast RTP via RTSP"), true )
 125             change_safe()
 126         add_bool( "rtsp-http", 0, NULL,
 127                   N_("Tunnel RTSP and RTP over HTTP"),
 128                   N_("Tunnel RTSP and RTP over HTTP"), true )
 129             change_safe()
 130         add_integer( "rtsp-http-port", 80, NULL,
 131                   N_("HTTP tunnel port"),
 132                   N_("Port to use for tunneling the RTSP/RTP over HTTP."),
 133                   true )
 134         add_integer("rtsp-caching", 4 * DEFAULT_PTS_DELAY / 1000, NULL,
 135                     CACHING_TEXT, CACHING_LONGTEXT, true )
 136             change_safe()
 137         add_bool(   "rtsp-kasenna", false, NULL, KASENNA_TEXT,
 138                     KASENNA_LONGTEXT, true )
 139         add_bool(   "rtsp-wmserver", false, NULL, WMSERVER_TEXT,
 140                     WMSERVER_LONGTEXT, true)
 141             change_safe()
 142         add_string( "rtsp-user", NULL, NULL, USER_TEXT,
 143                     USER_LONGTEXT, true )
 144             change_safe()
 145         add_password( "rtsp-pwd", NULL, NULL, PASS_TEXT,
 146                       PASS_LONGTEXT, true )
 147             change_safe()
 148 vlc_module_end ()
 149
 150
 151 /*****************************************************************************
 152  * Local prototypes
 153  *****************************************************************************/
 154
 155 typedef struct
 156 {
 157     demux_t         *p_demux;
 158     MediaSubsession *sub;
 159
 160     es_format_t     fmt;
 161     es_out_id_t     *p_es;
 162
 163     bool            b_muxed;
 164     bool            b_quicktime;
 165     bool            b_asf;
 166     bool            b_discard_trunc;
 167     stream_t        *p_out_muxed;    /* for muxed stream */
 168
 169     uint8_t         *p_buffer;
 170     unsigned int    i_buffer;
 171
 172     bool            b_rtcp_sync;
 173     char            waiting;
 174     int64_t         i_pts;
 175     float           i_npt;
 176
 177 } live_track_t;
 178
 179 struct timeout_thread_t
 180 {
 181     demux_sys_t  *p_sys;
 182     vlc_thread_t handle;
 183     bool         b_handle_keep_alive;
 184 };
 185
 186 struct demux_sys_t
 187 {
 188     char            *p_sdp;    /* XXX mallocated */
 189     char            *psz_path; /* URL-encoded path */
 190     vlc_url_t       url;
 191
 192     MediaSession     *ms;
 193     TaskScheduler    *scheduler;
 194     UsageEnvironment *env ;
 195     RTSPClient       *rtsp;
 196
 197     /* */
 198     int              i_track;
 199     live_track_t     **track;   /* XXX mallocated */
 200
 201     /* Weird formats */
 202     asf_header_t     asfh;
 203     stream_t         *p_out_asf;
 204     bool             b_real;
 205
 206     /* */
 207     int64_t          i_pcr; /* The clock */
 208     float            i_npt;
 209     float            i_npt_length;
 210     float            i_npt_start;
 211
 212     /* timeout thread information */
 213     int              i_timeout;     /* session timeout value in seconds */
 214     bool             b_timeout_call;/* mark to send an RTSP call to prevent server timeout */
 215     timeout_thread_t *p_timeout;    /* the actual thread that makes sure we don't timeout */
 216
 217     /* */
 218     bool             b_force_mcast;
 219     bool             b_multicast;   /* if one of the tracks is multicasted */
 220     bool             b_no_data;     /* if we never received any data */
 221     int              i_no_data_ti;  /* consecutive number of TaskInterrupt */
 222
 223     char             event;
 224
 225     bool             b_get_param;   /* Does the server support GET_PARAMETER */
 226     bool             b_paused;      /* Are we paused? */
 227 };
 228
 229 static int Demux  ( demux_t * );
 230 static int Control( demux_t *, int, va_list );
 231
 232 static int Connect      ( demux_t * );
 233 static int SessionsSetup( demux_t * );
 234 static int Play         ( demux_t *);
 235 static int ParseASF     ( demux_t * );
 236 static int RollOverTcp  ( demux_t * );
 237
 238 static void StreamRead  ( void *, unsigned int, unsigned int,
 239                           struct timeval, unsigned int );
 240 static void StreamClose ( void * );
 241 static void TaskInterrupt( void * );
 242
 243 static void* TimeoutPrevention( void * );
 244
 245 static unsigned char* parseH264ConfigStr( char const* configStr,
 246                                           unsigned int& configSize );
 247
 248 /*****************************************************************************
 249  * DemuxOpen:
 250  *****************************************************************************/
 251 static int  Open ( vlc_object_t *p_this )
 252 {
 253     demux_t     *p_demux = (demux_t*)p_this;
 254     demux_sys_t *p_sys = NULL;
 255
 256     int i_return;
 257     int i_error = VLC_EGENERIC;
 258
 259     if( p_demux->s )
 260     {
 261         /* See if it looks like a SDP
 262            v, o, s fields are mandatory and in this order */
 263         const uint8_t *p_peek;
 264         if( stream_Peek( p_demux->s, &p_peek, 7 ) < 7 ) return VLC_EGENERIC;
 265
 266         if( memcmp( p_peek, "v=0\r\n", 5 ) &&
 267             memcmp( p_peek, "v=0\n", 4 ) &&
 268             ( p_peek[0] < 'a' || p_peek[0] > 'z' || p_peek[1] != '=' ) )
 269         {
 270             return VLC_EGENERIC;
 271         }
 272     }
 273     else
 274     {
 275         var_Create( p_demux, "rtsp-caching", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
 276     }
 277
 278     p_demux->pf_demux  = Demux;
 279     p_demux->pf_control= Control;
 280     p_demux->p_sys     = p_sys = (demux_sys_t*)malloc( sizeof( demux_sys_t ) );
 281     if( !p_sys ) return VLC_ENOMEM;
 282
 283     p_sys->p_sdp = NULL;
 284     p_sys->scheduler = NULL;
 285     p_sys->env = NULL;
 286     p_sys->ms = NULL;
 287     p_sys->rtsp = NULL;
 288     p_sys->i_track = 0;
 289     p_sys->track   = NULL;
 290     p_sys->i_pcr = 0;
 291     p_sys->i_npt = 0.;
 292     p_sys->i_npt_start = 0.;
 293     p_sys->i_npt_length = 0.;
 294     p_sys->p_out_asf = NULL;
 295     p_sys->b_no_data = true;
 296     p_sys->i_no_data_ti = 0;
 297     p_sys->p_timeout = NULL;
 298     p_sys->i_timeout = 0;
 299     p_sys->b_timeout_call = false;
 300     p_sys->b_multicast = false;
 301     p_sys->b_real = false;
 302     p_sys->psz_path = strdup( p_demux->psz_path );
 303     p_sys->b_force_mcast = var_CreateGetBool( p_demux, "rtsp-mcast" );
 304     p_sys->b_get_param = false;
 305     p_sys->b_paused = false;
 306
 307     /* parse URL for rtsp://[user:[passwd]@]serverip:port/options */
 308     vlc_UrlParse( &p_sys->url, p_sys->psz_path, 0 );
 309
 310     if( ( p_sys->scheduler = BasicTaskScheduler::createNew() ) == NULL )
 311     {
 312         msg_Err( p_demux, "BasicTaskScheduler::createNew failed" );
 313         goto error;
 314     }
 315     if( !( p_sys->env = BasicUsageEnvironment::createNew(*p_sys->scheduler) ) )
 316     {
 317         msg_Err( p_demux, "BasicUsageEnvironment::createNew failed" );
 318         goto error;
 319     }
 320
 321     if( strcasecmp( p_demux->psz_access, "sdp" ) )
 322     {
 323         char *p = p_sys->psz_path;
 324         while( (p = strchr( p, ' ' )) != NULL ) *p = '+';
 325     }
 326
 327     if( p_demux->s != NULL )
 328     {
 329         /* Gather the complete sdp file */
 330         int     i_sdp       = 0;
 331         int     i_sdp_max   = 1000;
 332         uint8_t *p_sdp      = (uint8_t*) malloc( i_sdp_max );
 333
 334         if( !p_sdp )
 335         {
 336             i_error = VLC_ENOMEM;
 337             goto error;
 338         }
 339
 340         for( ;; )
 341         {
 342             int i_read = stream_Read( p_demux->s, &p_sdp[i_sdp],
 343                                       i_sdp_max - i_sdp - 1 );
 344
 345             if( !vlc_object_alive (p_demux) || p_demux->b_error )
 346             {
 347                 free( p_sdp );
 348                 goto error;
 349             }
 350
 351             if( i_read < 0 )
 352             {
 353                 msg_Err( p_demux, "failed to read SDP" );
 354                 free( p_sdp );
 355                 goto error;
 356             }
 357
 358             i_sdp += i_read;
 359
 360             if( i_read < i_sdp_max - i_sdp - 1 )
 361             {
 362                 p_sdp[i_sdp] = '\0';
 363                 break;
 364             }
 365
 366             i_sdp_max += 1000;
 367             p_sdp = (uint8_t*)realloc( p_sdp, i_sdp_max );
 368         }
 369         p_sys->p_sdp = (char*)p_sdp;
 370     }
 371     else if( ( p_demux->s == NULL ) &&
 372              !strcasecmp( p_demux->psz_access, "sdp" ) )
 373     {
 374         /* sdp:// link from SAP */
 375         p_sys->p_sdp = strdup( p_sys->psz_path );
 376     }
 377     else if( ( i_return = Connect( p_demux ) ) != VLC_SUCCESS )
 378     {
 379         msg_Err( p_demux, "Failed to connect with rtsp://%s", p_sys->psz_path );
 380         goto error;
 381     }
 382
 383     if( p_sys->p_sdp == NULL )
 384     {
 385         msg_Err( p_demux, "Failed to retrieve the RTSP Session Description" );
 386         i_error = VLC_ENOMEM;
 387         goto error;
 388     }
 389
 390     if( ( i_return = SessionsSetup( p_demux ) ) != VLC_SUCCESS )
 391     {
 392         msg_Err( p_demux, "Nothing to play for rtsp://%s", p_sys->psz_path );
 393         goto error;
 394     }
 395
 396     if( p_sys->b_real ) goto error;
 397
 398     if( ( i_return = Play( p_demux ) ) != VLC_SUCCESS )
 399         goto error;
 400
 401     if( p_sys->p_out_asf && ParseASF( p_demux ) )
 402     {
 403         msg_Err( p_demux, "cannot find a usable asf header" );
 404         /* TODO Clean tracks */
 405         goto error;
 406     }
 407
 408     if( p_sys->i_track <= 0 )
 409         goto error;
 410
 411     return VLC_SUCCESS;
 412
 413 error:
 414     Close( p_this );
 415     return i_error;
 416 }
 417
 418 /*****************************************************************************
 419  * DemuxClose:
 420  *****************************************************************************/
 421 static void Close( vlc_object_t *p_this )
 422 {
 423     demux_t *p_demux = (demux_t*)p_this;
 424     demux_sys_t *p_sys = p_demux->p_sys;
 425     int i;
 426
 427     for( i = 0; i < p_sys->i_track; i++ )
 428     {
 429         live_track_t *tk = p_sys->track[i];
 430
 431         if( tk->b_muxed ) stream_Delete( tk->p_out_muxed );
 432         es_format_Clean( &tk->fmt );
 433         free( tk->p_buffer );
 434         free( tk );
 435     }
 436
 437     if( p_sys->i_track ) free( p_sys->track );
 438     if( p_sys->p_out_asf ) stream_Delete( p_sys->p_out_asf );
 439     if( p_sys->rtsp && p_sys->ms ) p_sys->rtsp->teardownMediaSession( *p_sys->ms );
 440     if( p_sys->p_timeout )
 441     {
 442         vlc_cancel( p_sys->p_timeout->handle );
 443         vlc_join( p_sys->p_timeout->handle, NULL );
 444         free( p_sys->p_timeout );
 445     }
 446     if( p_sys->ms ) Medium::close( p_sys->ms );
 447     if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp );
 448     if( p_sys->env ) p_sys->env->reclaim();
 449     delete p_sys->scheduler;
 450     free( p_sys->p_sdp );
 451     free( p_sys->psz_path );
 452
 453     vlc_UrlClean( &p_sys->url );
 454
 455     free( p_sys );
 456 }
 457
 458 static inline const char *strempty( const char *s ) { return s?s:""; }
 459 static inline Boolean toBool( bool b ) { return b?True:False; } // silly, no?
 460
 461 /*****************************************************************************
 462  * Connect: connects to the RTSP server to setup the session DESCRIBE
 463  *****************************************************************************/
 464 static int Connect( demux_t *p_demux )
 465 {
 466     demux_sys_t *p_sys = p_demux->p_sys;
 467     Authenticator authenticator;
 468     bool b_firstpass  = true;
 469     char *psz_user    = NULL;
 470     char *psz_pwd     = NULL;
 471     char *psz_url     = NULL;
 472     char *psz_options = NULL;
 473     char *p_sdp       = NULL;
 474     int  i_http_port  = 0;
 475     int  i_ret        = VLC_SUCCESS;
 476
 477     /* Create the url using the port number if available */
 478     if( p_sys->url.i_port == 0 )
 479     {
 480         p_sys->url.i_port = 554;
 481         if( asprintf( &psz_url, "rtsp://%s", p_sys->psz_path ) == -1 )
 482             return VLC_ENOMEM;
 483     }
 484     else
 485     {
 486         if( asprintf( &psz_url, "rtsp://%s:%d%s", p_sys->url.psz_host,
 487                       p_sys->url.i_port, p_sys->url.psz_path ) == -1 )
 488             return VLC_ENOMEM;
 489     }
 490
 491     /* Get the user name and password */
 492     if( p_sys->url.psz_username || p_sys->url.psz_password )
 493     {
 494         psz_user = strdup( strempty( p_sys->url.psz_username ) );
 495         psz_pwd  = strdup( strempty( p_sys->url.psz_password ) );
 496     }
 497     else
 498     {
 499         psz_user = var_CreateGetString( p_demux, "rtsp-user" );
 500         psz_pwd  = var_CreateGetString( p_demux, "rtsp-pwd" );
 501     }
 502
 503 createnew:
 504     if( !vlc_object_alive (p_demux) || p_demux->b_error )
 505     {
 506         i_ret = VLC_EGENERIC;
 507         goto bailout;
 508     }
 509
 510     if( var_CreateGetBool( p_demux, "rtsp-http" ) )
 511         i_http_port = var_CreateGetInteger( p_demux, "rtsp-http-port" );
 512
 513     if( ( p_sys->rtsp = RTSPClient::createNew( *p_sys->env,
 514           var_CreateGetInteger( p_demux, "verbose" ) > 1,
 515           "VLC media player", i_http_port ) ) == NULL )
 516     {
 517         msg_Err( p_demux, "RTSPClient::createNew failed (%s)",
 518                  p_sys->env->getResultMsg() );
 519         i_ret = VLC_EGENERIC;
 520         goto bailout;
 521     }
 522
 523     /* Kasenna enables KeepAlive by analysing the User-Agent string.
 524      * Appending _KA to the string should be enough to enable this feature,
 525      * however, there is a bug where the _KA doesn't get parsed from the
 526      * default User-Agent as created by VLC/Live555 code. This is probably due
 527      * to spaces in the string or the string being too long. Here we override
 528      * the default string with a more compact version.
 529      */
 530     if( var_CreateGetBool( p_demux, "rtsp-kasenna" ))
 531     {
 532         p_sys->rtsp->setUserAgentString( "VLC_MEDIA_PLAYER_KA" );
 533     }
 534
 535 describe:
 536     authenticator.setUsernameAndPassword( psz_user, psz_pwd );
 537
 538     /* */
 539     { /* i_timeout hack scope */
 540 #if LIVEMEDIA_LIBRARY_VERSION_INT >= 1223337600
 541     const int i_timeout = var_CreateGetInteger(p_demux, "ipv4-timeout") / 1000;
 542     psz_options = p_sys->rtsp->sendOptionsCmd( psz_url, psz_user, psz_pwd,
 543                                                &authenticator, i_timeout );
 544 #else
 545     psz_options = p_sys->rtsp->sendOptionsCmd( psz_url, psz_user, psz_pwd,
 546                                                &authenticator );
 547 #endif
 548     if( psz_options == NULL && authenticator.realm() != NULL )
 549     {
 550         // try again, with the realm set this time
 551 #if LIVEMEDIA_LIBRARY_VERSION_INT >= 1223337600
 552         psz_options = p_sys->rtsp->sendOptionsCmd( psz_url, psz_user, psz_pwd,
 553                                                &authenticator, i_timeout );
 554 #else
 555         psz_options = p_sys->rtsp->sendOptionsCmd( psz_url, psz_user, psz_pwd,
 556                                                &authenticator );
 557 #endif
 558     }
 559     if( psz_options )
 560         p_sys->b_get_param = (bool)strstr( psz_options, "GET_PARAMETER" );
 561     delete [] psz_options;
 562
 563     if( var_CreateGetBool( p_demux, "rtsp-wmserver" ) )
 564        p_sys->b_get_param = true;
 565
 566 #if LIVEMEDIA_LIBRARY_VERSION_INT >= 1223337600
 567     p_sdp = p_sys->rtsp->describeWithPassword( psz_url, psz_user, psz_pwd,
 568                           var_GetBool( p_demux, "rtsp-kasenna" ), i_timeout );
 569 #else
 570     p_sdp = p_sys->rtsp->describeWithPassword( psz_url, psz_user, psz_pwd,
 571                                      var_GetBool( p_demux, "rtsp-kasenna" ) );
 572 #endif
 573     } /* i_timeout scope end */
 574
 575     if( p_sdp == NULL )
 576     {
 577         /* failure occurred */
 578         int i_code = 0;
 579         const char *psz_error = p_sys->env->getResultMsg();
 580
 581         if( var_GetBool( p_demux, "rtsp-http" ) )
 582             sscanf( psz_error, "%*s %*s HTTP GET %*s HTTP/%*u.%*u %3u %*s",
 583                     &i_code );
 584         else
 585         {
 586             const char *psz_tmp = strstr( psz_error, "RTSP" );
 587             if( psz_tmp )
 588                 sscanf( psz_tmp, "RTSP/%*s%3u", &i_code );
 589             else
 590                 i_code = 0;
 591         }
 592         msg_Dbg( p_demux, "DESCRIBE failed with %d: %s", i_code, psz_error );
 593
 594         if( b_firstpass )
 595         {   /* describeURL always returns an "RTSP/1.0 401 Unauthorized" the
 596              * first time. This is a workaround to avoid asking for a
 597              * user/passwd the first time the code passess here. */
 598             i_code = 0;
 599             b_firstpass = false;
 600         }
 601
 602         if( i_code == 401 )
 603         {
 604             msg_Dbg( p_demux, "authentication failed" );
 605
 606             free( psz_user );
 607             free( psz_pwd );
 608             dialog_Login( p_demux, &psz_user, &psz_pwd,
 609                           _("RTSP authentication"), "%s",
 610                         _("Please enter a valid login name and a password.") );
 611             if( psz_user != NULL && psz_pwd != NULL )
 612             {
 613                 msg_Dbg( p_demux, "retrying with user=%s", psz_user );
 614                 goto describe;
 615             }
 616         }
 617         else if( (i_code != 0) && !var_GetBool( p_demux, "rtsp-http" ) )
 618         {
 619             /* Perhaps a firewall is being annoying. Try HTTP tunneling mode */
 620             msg_Dbg( p_demux, "we will now try HTTP tunneling mode" );
 621             var_SetBool( p_demux, "rtsp-http", true );
 622             if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp );
 623             p_sys->rtsp = NULL;
 624             goto createnew;
 625         }
 626         else
 627         {
 628             msg_Dbg( p_demux, "connection timeout" );
 629             if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp );
 630             p_sys->rtsp = NULL;
 631         }
 632         i_ret = VLC_EGENERIC;
 633     }
 634
 635     free( p_sys->p_sdp );
 636     p_sys->p_sdp = NULL;
 637     if( p_sdp ) p_sys->p_sdp = strdup( (char*)p_sdp );
 638     delete[] p_sdp;
 639
 640 bailout:
 641     /* malloc-ated copy */
 642     free( psz_url );
 643     free( psz_user );
 644     free( psz_pwd );
 645
 646     return i_ret;
 647 }
 648
 649 /*****************************************************************************
 650  * SessionsSetup: prepares the subsessions and does the SETUP
 651  *****************************************************************************/
 652 static int SessionsSetup( demux_t *p_demux )
 653 {
 654     demux_sys_t             *p_sys  = p_demux->p_sys;
 655     MediaSubsessionIterator *iter   = NULL;
 656     MediaSubsession         *sub    = NULL;
 657
 658     bool           b_rtsp_tcp = false;
 659     int            i_client_port;
 660     int            i_return = VLC_SUCCESS;
 661     unsigned int   i_buffer = 0;
 662     unsigned const thresh = 200000; /* RTP reorder threshold .2 second (default .1) */
 663
 664     b_rtsp_tcp    = var_CreateGetBool( p_demux, "rtsp-tcp" ) ||
 665                     var_GetBool( p_demux, "rtsp-http" );
 666     i_client_port = var_CreateGetInteger( p_demux, "rtp-client-port" );
 667
 668     /* Create the session from the SDP */
 669     if( !( p_sys->ms = MediaSession::createNew( *p_sys->env, p_sys->p_sdp ) ) )
 670     {
 671         msg_Err( p_demux, "Could not create the RTSP Session: %s",
 672             p_sys->env->getResultMsg() );
 673         return VLC_EGENERIC;
 674     }
 675
 676     /* Initialise each media subsession */
 677     iter = new MediaSubsessionIterator( *p_sys->ms );
 678     while( ( sub = iter->next() ) != NULL )
 679     {
 680         Boolean bInit;
 681         live_track_t *tk;
 682
 683         if( !vlc_object_alive (p_demux) || p_demux->b_error )
 684         {
 685             delete iter;
 686             return VLC_EGENERIC;
 687         }
 688
 689         /* Value taken from mplayer */
 690         if( !strcmp( sub->mediumName(), "audio" ) )
 691             i_buffer = 100000;
 692         else if( !strcmp( sub->mediumName(), "video" ) )
 693             i_buffer = 2000000;
 694         else continue;
 695
 696         if( i_client_port != -1 )
 697         {
 698             sub->setClientPortNum( i_client_port );
 699             i_client_port += 2;
 700         }
 701
 702         if( strcasestr( sub->codecName(), "REAL" ) )
 703         {
 704             msg_Info( p_demux, "real codec detected, using real-RTSP instead" );
 705             p_sys->b_real = true; /* This is a problem, we'll handle it later */
 706             continue;
 707         }
 708
 709         if( !strcmp( sub->codecName(), "X-ASF-PF" ) )
 710             bInit = sub->initiate( 4 ); /* Constant ? */
 711         else
 712             bInit = sub->initiate();
 713
 714         if( !bInit )
 715         {
 716             msg_Warn( p_demux, "RTP subsession '%s/%s' failed (%s)",
 717                       sub->mediumName(), sub->codecName(),
 718                       p_sys->env->getResultMsg() );
 719         }
 720         else
 721         {
 722             if( sub->rtpSource() != NULL )
 723             {
 724                 int fd = sub->rtpSource()->RTPgs()->socketNum();
 725
 726                 /* Increase the buffer size */
 727                 if( i_buffer > 0 )
 728                     increaseReceiveBufferTo( *p_sys->env, fd, i_buffer );
 729
 730                 /* Increase the RTP reorder timebuffer just a bit */
 731                 sub->rtpSource()->setPacketReorderingThresholdTime(thresh);
 732             }
 733             msg_Dbg( p_demux, "RTP subsession '%s/%s'", sub->mediumName(),
 734                      sub->codecName() );
 735
 736             /* Issue the SETUP */
 737             if( p_sys->rtsp )
 738             {
 739                 if( !p_sys->rtsp->setupMediaSubsession( *sub, False,
 740                                                         toBool( b_rtsp_tcp ),
 741                              toBool( p_sys->b_force_mcast && !b_rtsp_tcp ) ) )
 742                 {
 743                     /* if we get an unsupported transport error, toggle TCP
 744                      * use and try again */
 745                     if( !strstr(p_sys->env->getResultMsg(),
 746                                 "461 Unsupported Transport")
 747                         || !p_sys->rtsp->setupMediaSubsession( *sub, False,
 748                                                toBool( b_rtsp_tcp ), False ) )
 749                     {
 750                         msg_Err( p_demux, "SETUP of'%s/%s' failed %s",
 751                                  sub->mediumName(), sub->codecName(),
 752                                  p_sys->env->getResultMsg() );
 753                         continue;
 754                     }
 755                 }
 756             }
 757
 758             /* Check if we will receive data from this subsession for
 759              * this track */
 760             if( sub->readSource() == NULL ) continue;
 761             if( !p_sys->b_multicast )
 762             {
 763                 /* We need different rollover behaviour for multicast */
 764                 p_sys->b_multicast = IsMulticastAddress( sub->connectionEndpointAddress() );
 765             }
 766
 767             tk = (live_track_t*)malloc( sizeof( live_track_t ) );
 768             if( !tk )
 769             {
 770                 delete iter;
 771                 return VLC_ENOMEM;
 772             }
 773             tk->p_demux     = p_demux;
 774             tk->sub         = sub;
 775             tk->p_es        = NULL;
 776             tk->b_quicktime = false;
 777             tk->b_asf       = false;
 778             tk->b_muxed     = false;
 779             tk->b_discard_trunc = false;
 780             tk->p_out_muxed = NULL;
 781             tk->waiting     = 0;
 782             tk->b_rtcp_sync = false;
 783             tk->i_pts       = 0;
 784             tk->i_npt       = 0.;
 785             tk->i_buffer    = 65536;
 786             tk->p_buffer    = (uint8_t *)malloc( 65536 );
 787             if( !tk->p_buffer )
 788             {
 789                 free( tk );
 790                 delete iter;
 791                 return VLC_ENOMEM;
 792             }
 793
 794             /* Value taken from mplayer */
 795             if( !strcmp( sub->mediumName(), "audio" ) )
 796             {
 797                 es_format_Init( &tk->fmt, AUDIO_ES, VLC_FOURCC('u','n','d','f') );
 798                 tk->fmt.audio.i_channels = sub->numChannels();
 799                 tk->fmt.audio.i_rate = sub->rtpTimestampFrequency();
 800
 801                 if( !strcmp( sub->codecName(), "MPA" ) ||
 802                     !strcmp( sub->codecName(), "MPA-ROBUST" ) ||
 803                     !strcmp( sub->codecName(), "X-MP3-DRAFT-00" ) )
 804                 {
 805                     tk->fmt.i_codec = VLC_CODEC_MPGA;
 806                     tk->fmt.audio.i_rate = 0;
 807                 }
 808                 else if( !strcmp( sub->codecName(), "AC3" ) )
 809                 {
 810                     tk->fmt.i_codec = VLC_CODEC_A52;
 811                     tk->fmt.audio.i_rate = 0;
 812                 }
 813                 else if( !strcmp( sub->codecName(), "L16" ) )
 814                 {
 815                     tk->fmt.i_codec = VLC_FOURCC( 't', 'w', 'o', 's' );
 816                     tk->fmt.audio.i_bitspersample = 16;
 817                 }
 818                 else if( !strcmp( sub->codecName(), "L8" ) )
 819                 {
 820                     tk->fmt.i_codec = VLC_FOURCC( 'a', 'r', 'a', 'w' );
 821                     tk->fmt.audio.i_bitspersample = 8;
 822                 }
 823                 else if( !strcmp( sub->codecName(), "PCMU" ) )
 824                 {
 825                     tk->fmt.i_codec = VLC_CODEC_MULAW;
 826                 }
 827                 else if( !strcmp( sub->codecName(), "PCMA" ) )
 828                 {
 829                     tk->fmt.i_codec = VLC_CODEC_ALAW;
 830                 }
 831                 else if( !strncmp( sub->codecName(), "G726", 4 ) )
 832                 {
 833                     tk->fmt.i_codec = VLC_CODEC_ADPCM_G726;
 834                     tk->fmt.audio.i_rate = 8000;
 835                     tk->fmt.audio.i_channels = 1;
 836                     if( !strcmp( sub->codecName()+5, "40" ) )
 837                         tk->fmt.i_bitrate = 40000;
 838                     else if( !strcmp( sub->codecName()+5, "32" ) )
 839                         tk->fmt.i_bitrate = 32000;
 840                     else if( !strcmp( sub->codecName()+5, "24" ) )
 841                         tk->fmt.i_bitrate = 24000;
 842                     else if( !strcmp( sub->codecName()+5, "16" ) )
 843                         tk->fmt.i_bitrate = 16000;
 844                 }
 845                 else if( !strcmp( sub->codecName(), "AMR" ) )
 846                 {
 847                     tk->fmt.i_codec = VLC_CODEC_AMR_NB;
 848                 }
 849                 else if( !strcmp( sub->codecName(), "AMR-WB" ) )
 850                 {
 851                     tk->fmt.i_codec = VLC_CODEC_AMR_WB;
 852                 }
 853                 else if( !strcmp( sub->codecName(), "MP4A-LATM" ) )
 854                 {
 855                     unsigned int i_extra;
 856                     uint8_t      *p_extra;
 857
 858                     tk->fmt.i_codec = VLC_CODEC_MP4A;
 859
 860                     if( ( p_extra = parseStreamMuxConfigStr( 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                     /* Because the "faad" decoder does not handle the LATM
 869                      * data length field at the start of each returned LATM
 870                      * frame, tell the RTP source to omit it. */
 871                     ((MPEG4LATMAudioRTPSource*)sub->rtpSource())->omitLATMDataLengthField();
 872                 }
 873                 else if( !strcmp( sub->codecName(), "MPEG4-GENERIC" ) )
 874                 {
 875                     unsigned int i_extra;
 876                     uint8_t      *p_extra;
 877
 878                     tk->fmt.i_codec = VLC_CODEC_MP4A;
 879
 880                     if( ( p_extra = parseGeneralConfigStr( sub->fmtp_config(),
 881                                                            i_extra ) ) )
 882                     {
 883                         tk->fmt.i_extra = i_extra;
 884                         tk->fmt.p_extra = malloc( i_extra );
 885                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
 886                         delete[] p_extra;
 887                     }
 888                 }
 889                 else if( !strcmp( sub->codecName(), "X-ASF-PF" ) )
 890                 {
 891                     tk->b_asf = true;
 892                     if( p_sys->p_out_asf == NULL )
 893                         p_sys->p_out_asf = stream_DemuxNew( p_demux, "asf",
 894                                                             p_demux->out );
 895                 }
 896                 else if( !strcmp( sub->codecName(), "X-QT" ) ||
 897                          !strcmp( sub->codecName(), "X-QUICKTIME" ) )
 898                 {
 899                     tk->b_quicktime = true;
 900                 }
 901                 else if( !strcmp( sub->codecName(), "SPEEX" ) )
 902                 {
 903                     tk->fmt.i_codec = VLC_FOURCC( 's', 'p', 'x', 'r' );
 904                     if ( sub->rtpTimestampFrequency() )
 905                         tk->fmt.audio.i_rate = sub->rtpTimestampFrequency();
 906                     else
 907                     {
 908                         msg_Warn( p_demux,"Using 8kHz as default sample rate." );
 909                         tk->fmt.audio.i_rate = 8000;
 910                     }
 911                 }
 912             }
 913             else if( !strcmp( sub->mediumName(), "video" ) )
 914             {
 915                 es_format_Init( &tk->fmt, VIDEO_ES, VLC_FOURCC('u','n','d','f') );
 916                 if( !strcmp( sub->codecName(), "MPV" ) )
 917                 {
 918                     tk->fmt.i_codec = VLC_CODEC_MPGV;
 919                 }
 920                 else if( !strcmp( sub->codecName(), "H263" ) ||
 921                          !strcmp( sub->codecName(), "H263-1998" ) ||
 922                          !strcmp( sub->codecName(), "H263-2000" ) )
 923                 {
 924                     tk->fmt.i_codec = VLC_CODEC_H263;
 925                 }
 926                 else if( !strcmp( sub->codecName(), "H261" ) )
 927                 {
 928                     tk->fmt.i_codec = VLC_CODEC_H261;
 929                 }
 930                 else if( !strcmp( sub->codecName(), "H264" ) )
 931                 {
 932                     unsigned int i_extra = 0;
 933                     uint8_t      *p_extra = NULL;
 934
 935                     tk->fmt.i_codec = VLC_CODEC_H264;
 936                     tk->fmt.b_packetized = false;
 937
 938                     if((p_extra=parseH264ConfigStr( sub->fmtp_spropparametersets(),
 939                                                     i_extra ) ) )
 940                     {
 941                         tk->fmt.i_extra = i_extra;
 942                         tk->fmt.p_extra = malloc( i_extra );
 943                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
 944
 945                         delete[] p_extra;
 946                     }
 947                 }
 948                 else if( !strcmp( sub->codecName(), "JPEG" ) )
 949                 {
 950                     tk->fmt.i_codec = VLC_CODEC_MJPG;
 951                 }
 952                 else if( !strcmp( sub->codecName(), "MP4V-ES" ) )
 953                 {
 954                     unsigned int i_extra;
 955                     uint8_t      *p_extra;
 956
 957                     tk->fmt.i_codec = VLC_CODEC_MP4V;
 958
 959                     if( ( p_extra = parseGeneralConfigStr( sub->fmtp_config(),
 960                                                            i_extra ) ) )
 961                     {
 962                         tk->fmt.i_extra = i_extra;
 963                         tk->fmt.p_extra = malloc( i_extra );
 964                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
 965                         delete[] p_extra;
 966                     }
 967                 }
 968                 else if( !strcmp( sub->codecName(), "X-QT" ) ||
 969                          !strcmp( sub->codecName(), "X-QUICKTIME" ) ||
 970                          !strcmp( sub->codecName(), "X-QDM" ) ||
 971                          !strcmp( sub->codecName(), "X-SV3V-ES" )  ||
 972                          !strcmp( sub->codecName(), "X-SORENSONVIDEO" ) )
 973                 {
 974                     tk->b_quicktime = true;
 975                 }
 976                 else if( !strcmp( sub->codecName(), "MP2T" ) )
 977                 {
 978                     tk->b_muxed = true;
 979                     tk->p_out_muxed = stream_DemuxNew( p_demux, "ts", p_demux->out );
 980                 }
 981                 else if( !strcmp( sub->codecName(), "MP2P" ) ||
 982                          !strcmp( sub->codecName(), "MP1S" ) )
 983                 {
 984                     tk->b_muxed = true;
 985                     tk->p_out_muxed = stream_DemuxNew( p_demux, "ps",
 986                                                        p_demux->out );
 987                 }
 988                 else if( !strcmp( sub->codecName(), "X-ASF-PF" ) )
 989                 {
 990                     tk->b_asf = true;
 991                     if( p_sys->p_out_asf == NULL )
 992                         p_sys->p_out_asf = stream_DemuxNew( p_demux, "asf",
 993                                                             p_demux->out );;
 994                 }
 995                 else if( !strcmp( sub->codecName(), "DV" ) )
 996                 {
 997                     tk->b_muxed = true;
 998                     tk->b_discard_trunc = true;
 999                     tk->p_out_muxed = stream_DemuxNew( p_demux, "rawdv",
1000                                                        p_demux->out );
1001                 }
1002             }
1003
1004             if( !tk->b_quicktime && !tk->b_muxed && !tk->b_asf )
1005             {
1006                 tk->p_es = es_out_Add( p_demux->out, &tk->fmt );
1007             }
1008
1009             if( sub->rtcpInstance() != NULL )
1010             {
1011                 sub->rtcpInstance()->setByeHandler( StreamClose, tk );
1012             }
1013
1014             if( tk->p_es || tk->b_quicktime || tk->b_muxed || tk->b_asf )
1015             {
1016                 /* Append */
1017                 p_sys->track = (live_track_t**)realloc( p_sys->track, sizeof( live_track_t ) * ( p_sys->i_track + 1 ) );
1018                 p_sys->track[p_sys->i_track++] = tk;
1019             }
1020             else
1021             {
1022                 /* BUG ??? */
1023                 msg_Err( p_demux, "unusable RTSP track. this should not happen" );
1024                 es_format_Clean( &tk->fmt );
1025                 free( tk );
1026             }
1027         }
1028     }
1029     delete iter;
1030     if( p_sys->i_track <= 0 ) i_return = VLC_EGENERIC;
1031
1032     /* Retrieve the starttime if possible */
1033     p_sys->i_npt_start = p_sys->ms->playStartTime();
1034
1035     /* Retrieve the duration if possible */
1036     p_sys->i_npt_length = p_sys->ms->playEndTime();
1037
1038     /* */
1039     msg_Dbg( p_demux, "setup start: %f stop:%f", p_sys->i_npt_start, p_sys->i_npt_length );
1040
1041     /* */
1042     p_sys->b_no_data = true;
1043     p_sys->i_no_data_ti = 0;
1044
1045     return i_return;
1046 }
1047
1048 /*****************************************************************************
1049  * Play: starts the actual playback of the stream
1050  *****************************************************************************/
1051 static int Play( demux_t *p_demux )
1052 {
1053     demux_sys_t *p_sys = p_demux->p_sys;
1054
1055     if( p_sys->rtsp )
1056     {
1057         /* The PLAY */
1058         if( !p_sys->rtsp->playMediaSession( *p_sys->ms, p_sys->i_npt_start, -1, 1 ) )
1059         {
1060             msg_Err( p_demux, "RTSP PLAY failed %s", p_sys->env->getResultMsg() );
1061             return VLC_EGENERIC;
1062         }
1063
1064         /* Retrieve the timeout value and set up a timeout prevention thread */
1065         p_sys->i_timeout = p_sys->rtsp->sessionTimeoutParameter();
1066         if( p_sys->i_timeout <= 0 )
1067             p_sys->i_timeout = 60; /* default value from RFC2326 */
1068
1069         /* start timeout-thread only if GET_PARAMETER is supported by the server */
1070         if( !p_sys->p_timeout && p_sys->b_get_param )
1071         {
1072             msg_Dbg( p_demux, "We have a timeout of %d seconds",  p_sys->i_timeout );
1073             p_sys->p_timeout = (timeout_thread_t *)malloc( sizeof(timeout_thread_t) );
1074             if( p_sys->p_timeout )
1075             {
1076                 memset( p_sys->p_timeout, 0, sizeof(timeout_thread_t) );
1077                 p_sys->p_timeout->p_sys = p_demux->p_sys; /* lol, object recursion :D */
1078                 if( vlc_clone( &p_sys->p_timeout->handle,  TimeoutPrevention,
1079                                p_sys->p_timeout, VLC_THREAD_PRIORITY_LOW ) )
1080                 {
1081                     msg_Err( p_demux, "cannot spawn liveMedia timeout thread" );
1082                     free( p_sys->p_timeout );
1083                     p_sys->p_timeout = NULL;
1084                 }
1085                 else
1086                     msg_Dbg( p_demux, "spawned timeout thread" );
1087             }
1088             else
1089                 msg_Err( p_demux, "cannot spawn liveMedia timeout thread" );
1090         }
1091     }
1092     p_sys->i_pcr = 0;
1093
1094     /* Retrieve the starttime if possible */
1095     p_sys->i_npt_start = p_sys->ms->playStartTime();
1096     if( p_sys->ms->playEndTime() > 0 )
1097         p_sys->i_npt_length = p_sys->ms->playEndTime();
1098
1099     msg_Dbg( p_demux, "play start: %f stop:%f", p_sys->i_npt_start, p_sys->i_npt_length );
1100     return VLC_SUCCESS;
1101 }
1102
1103
1104 /*****************************************************************************
1105  * Demux:
1106  *****************************************************************************/
1107 static int Demux( demux_t *p_demux )
1108 {
1109     demux_sys_t    *p_sys = p_demux->p_sys;
1110     TaskToken      task;
1111
1112     bool            b_send_pcr = true;
1113     int64_t         i_pcr = 0;
1114     int             i;
1115
1116     /* Check if we need to send the server a Keep-A-Live signal */
1117     if( p_sys->b_timeout_call && p_sys->rtsp && p_sys->ms )
1118     {
1119         char *psz_bye = NULL;
1120         p_sys->rtsp->getMediaSessionParameter( *p_sys->ms, NULL, psz_bye );
1121         p_sys->b_timeout_call = false;
1122     }
1123
1124     for( i = 0; i < p_sys->i_track; i++ )
1125     {
1126         live_track_t *tk = p_sys->track[i];
1127
1128         if( tk->b_asf || tk->b_muxed )
1129             b_send_pcr = false;
1130 #if 0
1131         if( i_pcr == 0 )
1132         {
1133             i_pcr = tk->i_pts;
1134         }
1135         else if( tk->i_pts != 0 && i_pcr > tk->i_pts )
1136         {
1137             i_pcr = tk->i_pts ;
1138         }
1139 #endif
1140     }
1141     if( p_sys->i_pcr > 0 )
1142     {
1143         if( b_send_pcr )
1144             es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_sys->i_pcr );
1145     }
1146
1147     /* First warn we want to read data */
1148     p_sys->event = 0;
1149     for( i = 0; i < p_sys->i_track; i++ )
1150     {
1151         live_track_t *tk = p_sys->track[i];
1152
1153         if( tk->waiting == 0 )
1154         {
1155             tk->waiting = 1;
1156             tk->sub->readSource()->getNextFrame( tk->p_buffer, tk->i_buffer,
1157                                           StreamRead, tk, StreamClose, tk );
1158         }
1159     }
1160     /* Create a task that will be called if we wait more than 300ms */
1161     task = p_sys->scheduler->scheduleDelayedTask( 300000, TaskInterrupt, p_demux );
1162
1163     /* Do the read */
1164     p_sys->scheduler->doEventLoop( &p_sys->event );
1165
1166     /* remove the task */
1167     p_sys->scheduler->unscheduleDelayedTask( task );
1168
1169     /* Check for gap in pts value */
1170     for( i = 0; i < p_sys->i_track; i++ )
1171     {
1172         live_track_t *tk = p_sys->track[i];
1173
1174         if( !tk->b_muxed && !tk->b_rtcp_sync &&
1175             tk->sub->rtpSource() && tk->sub->rtpSource()->hasBeenSynchronizedUsingRTCP() )
1176         {
1177             msg_Dbg( p_demux, "tk->rtpSource->hasBeenSynchronizedUsingRTCP()" );
1178
1179             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
1180             tk->b_rtcp_sync = true;
1181             /* reset PCR */
1182             tk->i_pts = 0;
1183             tk->i_npt = 0.;
1184             p_sys->i_pcr = 0;
1185             p_sys->i_npt = 0.;
1186             i_pcr = 0;
1187         }
1188     }
1189
1190     if( p_sys->b_multicast && p_sys->b_no_data &&
1191         ( p_sys->i_no_data_ti > 120 ) )
1192     {
1193         /* FIXME Make this configurable
1194         msg_Err( p_demux, "no multicast data received in 36s, aborting" );
1195         return 0;
1196         */
1197     }
1198     else if( !p_sys->b_multicast && !p_sys->b_paused &&
1199               p_sys->b_no_data && ( p_sys->i_no_data_ti > 34 ) )
1200     {
1201         bool b_rtsp_tcp = var_GetBool( p_demux, "rtsp-tcp" ) ||
1202                                 var_GetBool( p_demux, "rtsp-http" );
1203
1204         if( !b_rtsp_tcp && p_sys->rtsp && p_sys->ms )
1205         {
1206             msg_Warn( p_demux, "no data received in 10s. Switching to TCP" );
1207             if( RollOverTcp( p_demux ) )
1208             {
1209                 msg_Err( p_demux, "TCP rollover failed, aborting" );
1210                 return 0;
1211             }
1212             return 1;
1213         }
1214         msg_Err( p_demux, "no data received in 10s, aborting" );
1215         return 0;
1216     }
1217     else if( !p_sys->b_multicast && !p_sys->b_paused &&
1218              ( p_sys->i_no_data_ti > 34 ) )
1219     {
1220         /* EOF ? */
1221         msg_Warn( p_demux, "no data received in 10s, eof ?" );
1222         return 0;
1223     }
1224     return p_demux->b_error ? 0 : 1;
1225 }
1226
1227 /*****************************************************************************
1228  * Control:
1229  *****************************************************************************/
1230 static int Control( demux_t *p_demux, int i_query, va_list args )
1231 {
1232     demux_sys_t *p_sys = p_demux->p_sys;
1233     int64_t *pi64, i64;
1234     double  *pf, f;
1235     bool *pb, *pb2, b_bool;
1236     int *pi_int;
1237
1238     switch( i_query )
1239     {
1240         case DEMUX_GET_TIME:
1241             pi64 = (int64_t*)va_arg( args, int64_t * );
1242             if( p_sys->i_npt > 0 )
1243             {
1244                 *pi64 = (int64_t)(p_sys->i_npt * 1000000.);
1245                 return VLC_SUCCESS;
1246             }
1247             return VLC_EGENERIC;
1248
1249         case DEMUX_GET_LENGTH:
1250             pi64 = (int64_t*)va_arg( args, int64_t * );
1251             if( p_sys->i_npt_length > 0 )
1252             {
1253                 *pi64 = (int64_t)((double)p_sys->i_npt_length * 1000000.0);
1254                 return VLC_SUCCESS;
1255             }
1256             return VLC_EGENERIC;
1257
1258         case DEMUX_GET_POSITION:
1259             pf = (double*)va_arg( args, double* );
1260             if( (p_sys->i_npt_length > 0) && (p_sys->i_npt > 0) )
1261             {
1262                 *pf = ( (double)p_sys->i_npt / (double)p_sys->i_npt_length );
1263                 return VLC_SUCCESS;
1264             }
1265             return VLC_EGENERIC;
1266
1267         case DEMUX_SET_POSITION:
1268         case DEMUX_SET_TIME:
1269             if( p_sys->rtsp && (p_sys->i_npt_length > 0) )
1270             {
1271                 int i;
1272                 float time;
1273
1274                 if( (i_query == DEMUX_SET_TIME) && (p_sys->i_npt > 0) )
1275                 {
1276                     i64 = (int64_t)va_arg( args, int64_t );
1277                     time = (float)((double)i64 / (double)1000000.0); /* in second */
1278                 }
1279                 else if( i_query == DEMUX_SET_TIME )
1280                     return VLC_EGENERIC;
1281                 else
1282                 {
1283                     f = (double)va_arg( args, double );
1284                     time = f * (double)p_sys->i_npt_length;   /* in second */
1285                 }
1286
1287                 if( !p_sys->rtsp->pauseMediaSession( *p_sys->ms ) ||
1288                     !p_sys->rtsp->playMediaSession( *p_sys->ms, time, -1, 1 ) )
1289                 {
1290                     msg_Err( p_demux, "PLAY failed %s",
1291                         p_sys->env->getResultMsg() );
1292                     return VLC_EGENERIC;
1293                 }
1294                 p_sys->i_pcr = 0;
1295
1296                 /* Retrieve RTP-Info values */
1297                 for( i = 0; i < p_sys->i_track; i++ )
1298                 {
1299                     p_sys->track[i]->b_rtcp_sync = false;
1300                     p_sys->track[i]->i_pts = 0;
1301                 }
1302
1303                 /* Retrieve the starttime if possible */
1304                 p_sys->i_npt = p_sys->i_npt_start = p_sys->ms->playStartTime();
1305
1306                 /* Retrieve the duration if possible */
1307                 if( p_sys->ms->playEndTime() > 0 )
1308                     p_sys->i_npt_length = p_sys->ms->playEndTime();
1309
1310                 msg_Dbg( p_demux, "seek start: %f stop:%f", p_sys->i_npt_start, p_sys->i_npt_length );
1311                 return VLC_SUCCESS;
1312             }
1313             return VLC_EGENERIC;
1314
1315         /* Special for access_demux */
1316         case DEMUX_CAN_PAUSE:
1317         case DEMUX_CAN_SEEK:
1318             pb = (bool*)va_arg( args, bool * );
1319             if( p_sys->rtsp && p_sys->i_npt_length > 0 )
1320                 /* Not always true, but will be handled in SET_PAUSE_STATE */
1321                 *pb = true;
1322             else
1323                 *pb = false;
1324             return VLC_SUCCESS;
1325
1326         case DEMUX_CAN_CONTROL_PACE:
1327             pb = (bool*)va_arg( args, bool * );
1328
1329 #if 1       /* Disable for now until we have a clock synchro algo
1330              * which works with something else than MPEG over UDP */
1331             *pb = false;
1332 #else
1333             *pb = true;
1334 #endif
1335             return VLC_SUCCESS;
1336
1337         case DEMUX_CAN_CONTROL_RATE:
1338             pb = (bool*)va_arg( args, bool * );
1339             pb2 = (bool*)va_arg( args, bool * );
1340
1341             *pb = (p_sys->rtsp != NULL) &&
1342                     (p_sys->i_npt_length > 0) &&
1343                     ( !var_GetBool( p_demux, "rtsp-kasenna" ) ||
1344                       !var_GetBool( p_demux, "rtsp-wmserver" ) );
1345             *pb2 = false;
1346             return VLC_SUCCESS;
1347
1348         case DEMUX_SET_RATE:
1349         {
1350             double f_scale, f_old_scale;
1351
1352             if( !p_sys->rtsp || (p_sys->i_npt_length <= 0) ||
1353                 var_GetBool( p_demux, "rtsp-kasenna" ) ||
1354                 var_GetBool( p_demux, "rtsp-wmserver" ) )
1355                 return VLC_EGENERIC;
1356
1357             /* According to RFC 2326 p56 chapter 12.35 a RTSP server that
1358              * supports Scale:
1359              *
1360              * "[...] should try to approximate the viewing rate, but
1361              *  may restrict the range of scale values that it supports.
1362              *  The response MUST contain the actual scale value chosen
1363              *  by the server."
1364              *
1365              * Scale = 1 indicates normal play
1366              * Scale > 1 indicates fast forward
1367              * Scale < 1 && Scale > 0 indicates slow motion
1368              * Scale < 0 value indicates rewind
1369              */
1370
1371             pi_int = (int*)va_arg( args, int * );
1372             f_scale = (double)INPUT_RATE_DEFAULT / (*pi_int);
1373             f_old_scale = p_sys->ms->scale();
1374
1375             /* Passing -1 for the start and end time will mean liveMedia won't
1376              * create a Range: section for the RTSP message. The server should
1377              * pick up from the current position */
1378             if( !p_sys->rtsp->playMediaSession( *p_sys->ms, -1, -1, f_scale ) )
1379             {
1380                 msg_Err( p_demux, "PLAY with Scale %0.2f failed %s", f_scale,
1381                         p_sys->env->getResultMsg() );
1382                 return VLC_EGENERIC;
1383             }
1384
1385             if( p_sys->ms->scale() == f_old_scale )
1386             {
1387                 msg_Err( p_demux, "no scale change using old Scale %0.2f",
1388                           p_sys->ms->scale() );
1389                 return VLC_EGENERIC;
1390             }
1391
1392             /* ReSync the stream */
1393             p_sys->i_npt_start = 0;
1394             p_sys->i_pcr = 0;
1395             p_sys->i_npt = 0.0;
1396
1397             *pi_int = (int)( INPUT_RATE_DEFAULT / p_sys->ms->scale() );
1398             msg_Dbg( p_demux, "PLAY with new Scale %0.2f (%d)", p_sys->ms->scale(), (*pi_int) );
1399             return VLC_SUCCESS;
1400         }
1401
1402         case DEMUX_SET_PAUSE_STATE:
1403         {
1404             int i;
1405
1406             p_sys->b_paused = (bool)va_arg( args, int );
1407             if( p_sys->rtsp == NULL )
1408                 return VLC_EGENERIC;
1409
1410             /* FIXME */
1411             if( ( p_sys->b_paused && !p_sys->rtsp->pauseMediaSession( *p_sys->ms ) ) ||
1412                     ( !p_sys->b_paused && !p_sys->rtsp->playMediaSession( *p_sys->ms,
1413                        -1 ) ) )
1414             {
1415                     msg_Err( p_demux, "PLAY or PAUSE failed %s", p_sys->env->getResultMsg() );
1416                     return VLC_EGENERIC;
1417             }
1418
1419             /* When we Pause, we'll need the TimeoutPrevention thread to
1420              * handle sending the "Keep Alive" message to the server.
1421              * Unfortunately Live555 isn't thread safe and so can't
1422              * do this normally while the main Demux thread is handling
1423              * a live stream. We end up with the Timeout thread blocking
1424              * waiting for a response from the server. So when we PAUSE
1425              * we set a flag that the TimeoutPrevention function will check
1426              * and if it's set, it will trigger the GET_PARAMETER message */
1427             if( p_sys->b_paused && p_sys->p_timeout != NULL )
1428                 p_sys->p_timeout->b_handle_keep_alive = true;
1429             else if( !p_sys->b_paused && p_sys->p_timeout != NULL )
1430                 p_sys->p_timeout->b_handle_keep_alive = false;
1431
1432             for( i = 0; !b_bool && i < p_sys->i_track; i++ )
1433             {
1434                 live_track_t *tk = p_sys->track[i];
1435                 tk->b_rtcp_sync = false;
1436                 tk->i_pts = 0;
1437                 p_sys->i_pcr = 0;
1438                 es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
1439             }
1440
1441             /* Reset data received counter */
1442             p_sys->i_no_data_ti = 0;
1443
1444             /* Retrieve the starttime if possible */
1445             p_sys->i_npt_start = p_sys->ms->playStartTime();
1446
1447             /* Retrieve the duration if possible */
1448             if( p_sys->ms->playEndTime() )
1449                 p_sys->i_npt_length = p_sys->ms->playEndTime();
1450
1451             msg_Dbg( p_demux, "pause start: %f stop:%f", p_sys->i_npt_start, p_sys->i_npt_length );
1452             return VLC_SUCCESS;
1453         }
1454         case DEMUX_GET_TITLE_INFO:
1455         case DEMUX_SET_TITLE:
1456         case DEMUX_SET_SEEKPOINT:
1457             return VLC_EGENERIC;
1458
1459         case DEMUX_GET_PTS_DELAY:
1460             pi64 = (int64_t*)va_arg( args, int64_t * );
1461             *pi64 = (int64_t)var_GetInteger( p_demux, "rtsp-caching" ) * 1000;
1462             return VLC_SUCCESS;
1463
1464         default:
1465             return VLC_EGENERIC;
1466     }
1467 }
1468
1469 /*****************************************************************************
1470  * RollOverTcp: reopen the rtsp into TCP mode
1471  * XXX: ugly, a lot of code are duplicated from Open()
1472  * This should REALLY be fixed
1473  *****************************************************************************/
1474 static int RollOverTcp( demux_t *p_demux )
1475 {
1476     demux_sys_t *p_sys = p_demux->p_sys;
1477     int i, i_return;
1478
1479     var_SetBool( p_demux, "rtsp-tcp", true );
1480
1481     /* We close the old RTSP session */
1482     for( i = 0; i < p_sys->i_track; i++ )
1483     {
1484         live_track_t *tk = p_sys->track[i];
1485
1486         if( tk->b_muxed ) stream_Delete( tk->p_out_muxed );
1487         if( tk->p_es ) es_out_Del( p_demux->out, tk->p_es );
1488         es_format_Clean( &tk->fmt );
1489         free( tk->p_buffer );
1490         free( tk );
1491     }
1492     if( p_sys->i_track ) free( p_sys->track );
1493     if( p_sys->p_out_asf ) stream_Delete( p_sys->p_out_asf );
1494
1495     p_sys->rtsp->teardownMediaSession( *p_sys->ms );
1496     Medium::close( p_sys->ms );
1497     RTSPClient::close( p_sys->rtsp );
1498
1499     p_sys->ms = NULL;
1500     p_sys->rtsp = NULL;
1501     p_sys->track = NULL;
1502     p_sys->i_track = 0;
1503     p_sys->b_no_data = true;
1504     p_sys->i_no_data_ti = 0;
1505
1506     /* Reopen rtsp client */
1507     if( ( i_return = Connect( p_demux ) ) != VLC_SUCCESS )
1508     {
1509         msg_Err( p_demux, "Failed to connect with rtsp://%s",
1510                  p_sys->psz_path );
1511         goto error;
1512     }
1513
1514     if( p_sys->p_sdp == NULL )
1515     {
1516         msg_Err( p_demux, "Failed to retrieve the RTSP Session Description" );
1517         goto error;
1518     }
1519
1520     if( ( i_return = SessionsSetup( p_demux ) ) != VLC_SUCCESS )
1521     {
1522         msg_Err( p_demux, "Nothing to play for rtsp://%s", p_sys->psz_path );
1523         goto error;
1524     }
1525
1526     if( ( i_return = Play( p_demux ) ) != VLC_SUCCESS )
1527         goto error;
1528
1529     return VLC_SUCCESS;
1530
1531 error:
1532     return VLC_EGENERIC;
1533 }
1534
1535
1536 /*****************************************************************************
1537  *
1538  *****************************************************************************/
1539 static void StreamRead( void *p_private, unsigned int i_size,
1540                         unsigned int i_truncated_bytes, struct timeval pts,
1541                         unsigned int duration )
1542 {
1543     live_track_t   *tk = (live_track_t*)p_private;
1544     demux_t        *p_demux = tk->p_demux;
1545     demux_sys_t    *p_sys = p_demux->p_sys;
1546     block_t        *p_block;
1547
1548     //msg_Dbg( p_demux, "pts: %d", pts.tv_sec );
1549
1550     int64_t i_pts = (int64_t)pts.tv_sec * INT64_C(1000000) +
1551         (int64_t)pts.tv_usec;
1552
1553     /* XXX Beurk beurk beurk Avoid having negative value XXX */
1554     i_pts &= INT64_C(0x00ffffffffffffff);
1555
1556     /* Retrieve NPT for this pts */
1557     tk->i_npt = tk->sub->getNormalPlayTime(pts);
1558
1559     if( tk->b_quicktime && tk->p_es == NULL )
1560     {
1561         QuickTimeGenericRTPSource *qtRTPSource =
1562             (QuickTimeGenericRTPSource*)tk->sub->rtpSource();
1563         QuickTimeGenericRTPSource::QTState &qtState = qtRTPSource->qtState;
1564         uint8_t *sdAtom = (uint8_t*)&qtState.sdAtom[4];
1565
1566         if( tk->fmt.i_cat == VIDEO_ES ) {
1567             if( qtState.sdAtomSize < 16 + 32 )
1568             {
1569                 /* invalid */
1570                 p_sys->event = 0xff;
1571                 tk->waiting = 0;
1572                 return;
1573             }
1574             tk->fmt.i_codec = VLC_FOURCC(sdAtom[0],sdAtom[1],sdAtom[2],sdAtom[3]);
1575             tk->fmt.video.i_width  = (sdAtom[28] << 8) | sdAtom[29];
1576             tk->fmt.video.i_height = (sdAtom[30] << 8) | sdAtom[31];
1577
1578             if( tk->fmt.i_codec == VLC_FOURCC('a', 'v', 'c', '1') )
1579             {
1580                 uint8_t *pos = (uint8_t*)qtRTPSource->qtState.sdAtom + 86;
1581                 uint8_t *endpos = (uint8_t*)qtRTPSource->qtState.sdAtom
1582                                   + qtRTPSource->qtState.sdAtomSize;
1583                 while (pos+8 < endpos) {
1584                     unsigned int atomLength = pos[0]<<24 | pos[1]<<16 | pos[2]<<8 | pos[3];
1585                     if( atomLength == 0 || atomLength > (unsigned int)(endpos-pos)) break;
1586                     if( memcmp(pos+4, "avcC", 4) == 0 &&
1587                         atomLength > 8 &&
1588                         atomLength <= INT_MAX )
1589                     {
1590                         tk->fmt.i_extra = atomLength-8;
1591                         tk->fmt.p_extra = malloc( tk->fmt.i_extra );
1592                         memcpy(tk->fmt.p_extra, pos+8, atomLength-8);
1593                         break;
1594                     }
1595                     pos += atomLength;
1596                 }
1597             }
1598             else
1599             {
1600                 tk->fmt.i_extra        = qtState.sdAtomSize - 16;
1601                 tk->fmt.p_extra        = malloc( tk->fmt.i_extra );
1602                 memcpy( tk->fmt.p_extra, &sdAtom[12], tk->fmt.i_extra );
1603             }
1604         }
1605         else {
1606             if( qtState.sdAtomSize < 4 )
1607             {
1608                 /* invalid */
1609                 p_sys->event = 0xff;
1610                 tk->waiting = 0;
1611                 return;
1612             }
1613             tk->fmt.i_codec = VLC_FOURCC(sdAtom[0],sdAtom[1],sdAtom[2],sdAtom[3]);
1614         }
1615         tk->p_es = es_out_Add( p_demux->out, &tk->fmt );
1616     }
1617
1618 #if 0
1619     fprintf( stderr, "StreamRead size=%d pts=%lld\n",
1620              i_size,
1621              pts.tv_sec * 1000000LL + pts.tv_usec );
1622 #endif
1623
1624     /* grow buffer if it looks like buffer is too small, but don't eat
1625      * up all the memory on strange streams */
1626     if( i_truncated_bytes > 0 )
1627     {
1628         if( tk->i_buffer < 2000000 )
1629         {
1630             void *p_tmp;
1631             msg_Dbg( p_demux, "lost %d bytes", i_truncated_bytes );
1632             msg_Dbg( p_demux, "increasing buffer size to %d", tk->i_buffer * 2 );
1633             p_tmp = realloc( tk->p_buffer, tk->i_buffer * 2 );
1634             if( p_tmp == NULL )
1635             {
1636                 msg_Warn( p_demux, "realloc failed" );
1637             }
1638             else
1639             {
1640                 tk->p_buffer = (uint8_t*)p_tmp;
1641                 tk->i_buffer *= 2;
1642             }
1643         }
1644
1645         if( tk->b_discard_trunc )
1646         {
1647             p_sys->event = 0xff;
1648             tk->waiting = 0;
1649             return;
1650         }
1651     }
1652
1653     assert( i_size <= tk->i_buffer );
1654
1655     if( tk->fmt.i_codec == VLC_CODEC_AMR_NB ||
1656         tk->fmt.i_codec == VLC_CODEC_AMR_WB )
1657     {
1658         AMRAudioSource *amrSource = (AMRAudioSource*)tk->sub->readSource();
1659
1660         p_block = block_New( p_demux, i_size + 1 );
1661         p_block->p_buffer[0] = amrSource->lastFrameHeader();
1662         memcpy( p_block->p_buffer + 1, tk->p_buffer, i_size );
1663     }
1664     else if( tk->fmt.i_codec == VLC_CODEC_H261 )
1665     {
1666         H261VideoRTPSource *h261Source = (H261VideoRTPSource*)tk->sub->rtpSource();
1667         uint32_t header = h261Source->lastSpecialHeader();
1668         p_block = block_New( p_demux, i_size + 4 );
1669         memcpy( p_block->p_buffer, &header, 4 );
1670         memcpy( p_block->p_buffer + 4, tk->p_buffer, i_size );
1671
1672         if( tk->sub->rtpSource()->curPacketMarkerBit() )
1673             p_block->i_flags |= BLOCK_FLAG_END_OF_FRAME;
1674     }
1675     else if( tk->fmt.i_codec == VLC_CODEC_H264 )
1676     {
1677         if( (tk->p_buffer[0] & 0x1f) >= 24 )
1678             msg_Warn( p_demux, "unsupported NAL type for H264" );
1679
1680         /* Normal NAL type */
1681         p_block = block_New( p_demux, i_size + 4 );
1682         p_block->p_buffer[0] = 0x00;
1683         p_block->p_buffer[1] = 0x00;
1684         p_block->p_buffer[2] = 0x00;
1685         p_block->p_buffer[3] = 0x01;
1686         memcpy( &p_block->p_buffer[4], tk->p_buffer, i_size );
1687     }
1688     else if( tk->b_asf )
1689     {
1690         int i_copy = __MIN( p_sys->asfh.i_min_data_packet_size, (int)i_size );
1691         p_block = block_New( p_demux, p_sys->asfh.i_min_data_packet_size );
1692
1693         memcpy( p_block->p_buffer, tk->p_buffer, i_copy );
1694     }
1695     else
1696     {
1697         p_block = block_New( p_demux, i_size );
1698         memcpy( p_block->p_buffer, tk->p_buffer, i_size );
1699     }
1700
1701     if( p_sys->i_pcr < i_pts )
1702     {
1703         p_sys->i_pcr = i_pts;
1704     }
1705
1706     if( (i_pts != tk->i_pts) && (!tk->b_muxed) )
1707     {
1708         p_block->i_pts = i_pts;
1709     }
1710
1711     /* Update our global npt value */
1712     if( tk->i_npt > 0 && tk->i_npt > p_sys->i_npt && tk->i_npt < p_sys->i_npt_length)
1713         p_sys->i_npt = tk->i_npt;
1714
1715     if( !tk->b_muxed )
1716     {
1717         /*FIXME: for h264 you should check that packetization-mode=1 in sdp-file */
1718         p_block->i_dts = ( tk->fmt.i_codec == VLC_CODEC_MPGV ) ? 0 : i_pts;
1719     }
1720
1721     if( tk->b_muxed )
1722     {
1723         stream_DemuxSend( tk->p_out_muxed, p_block );
1724     }
1725     else if( tk->b_asf )
1726     {
1727         stream_DemuxSend( p_sys->p_out_asf, p_block );
1728     }
1729     else
1730     {
1731         es_out_Send( p_demux->out, tk->p_es, p_block );
1732     }
1733
1734     /* warn that's ok */
1735     p_sys->event = 0xff;
1736
1737     /* we have read data */
1738     tk->waiting = 0;
1739     p_demux->p_sys->b_no_data = false;
1740     p_demux->p_sys->i_no_data_ti = 0;
1741
1742     if( i_pts > 0 && !tk->b_muxed )
1743     {
1744         tk->i_pts = i_pts;
1745     }
1746 }
1747
1748 /*****************************************************************************
1749  *
1750  *****************************************************************************/
1751 static void StreamClose( void *p_private )
1752 {
1753     live_track_t   *tk = (live_track_t*)p_private;
1754     demux_t        *p_demux = tk->p_demux;
1755     demux_sys_t    *p_sys = p_demux->p_sys;
1756
1757     msg_Dbg( p_demux, "StreamClose" );
1758
1759     p_sys->event = 0xff;
1760     p_demux->b_error = true;
1761 }
1762
1763
1764 /*****************************************************************************
1765  *
1766  *****************************************************************************/
1767 static void TaskInterrupt( void *p_private )
1768 {
1769     demux_t *p_demux = (demux_t*)p_private;
1770
1771     p_demux->p_sys->i_no_data_ti++;
1772
1773     /* Avoid lock */
1774     p_demux->p_sys->event = 0xff;
1775 }
1776
1777 /*****************************************************************************
1778  *
1779  *****************************************************************************/
1780 static void* TimeoutPrevention( void *p_data )
1781 {
1782     timeout_thread_t *p_timeout = (timeout_thread_t *)p_data;
1783
1784     for( ;; )
1785     {
1786         /* Voodoo (= no) thread safety here! *Ahem* */
1787         if( p_timeout->b_handle_keep_alive )
1788         {
1789             char *psz_bye = NULL;
1790             int canc = vlc_savecancel ();
1791
1792             p_timeout->p_sys->rtsp->getMediaSessionParameter( *p_timeout->p_sys->ms, NULL, psz_bye );
1793             vlc_restorecancel (canc);
1794         }
1795         p_timeout->p_sys->b_timeout_call = !p_timeout->b_handle_keep_alive;
1796
1797         msleep (((int64_t)p_timeout->p_sys->i_timeout - 2) * CLOCK_FREQ);
1798     }
1799     assert(0); /* dead code */
1800 }
1801
1802 /*****************************************************************************
1803  *
1804  *****************************************************************************/
1805 static int ParseASF( demux_t *p_demux )
1806 {
1807     demux_sys_t    *p_sys = p_demux->p_sys;
1808
1809     const char *psz_marker = "a=pgmpu:data:application/vnd.ms.wms-hdr.asfv1;base64,";
1810     char *psz_asf = strcasestr( p_sys->p_sdp, psz_marker );
1811     char *psz_end;
1812     block_t *p_header;
1813
1814     /* Parse the asf header */
1815     if( psz_asf == NULL )
1816         return VLC_EGENERIC;
1817
1818     psz_asf += strlen( psz_marker );
1819     psz_asf = strdup( psz_asf );    /* Duplicate it */
1820     psz_end = strchr( psz_asf, '\n' );
1821
1822     while( psz_end > psz_asf && ( *psz_end == '\n' || *psz_end == '\r' ) )
1823         *psz_end-- = '\0';
1824
1825     if( psz_asf >= psz_end )
1826     {
1827         free( psz_asf );
1828         return VLC_EGENERIC;
1829     }
1830
1831     /* Always smaller */
1832     p_header = block_New( p_demux, psz_end - psz_asf );
1833     p_header->i_buffer = vlc_b64_decode_binary_to_buffer( p_header->p_buffer,
1834                                                p_header->i_buffer, psz_asf );
1835     //msg_Dbg( p_demux, "Size=%d Hdrb64=%s", p_header->i_buffer, psz_asf );
1836     if( p_header->i_buffer <= 0 )
1837     {
1838         free( psz_asf );
1839         return VLC_EGENERIC;
1840     }
1841
1842     /* Parse it to get packet size */
1843     asf_HeaderParse( &p_sys->asfh, p_header->p_buffer, p_header->i_buffer );
1844
1845     /* Send it to demuxer */
1846     stream_DemuxSend( p_sys->p_out_asf, p_header );
1847
1848     free( psz_asf );
1849     return VLC_SUCCESS;
1850 }
1851
1852
1853 static unsigned char* parseH264ConfigStr( char const* configStr,
1854                                           unsigned int& configSize )
1855 {
1856     char *dup, *psz;
1857     size_t i_records = 1;
1858
1859     configSize = 0;
1860
1861     if( configStr == NULL || *configStr == '\0' )
1862         return NULL;
1863
1864     psz = dup = strdup( configStr );
1865
1866     /* Count the number of commas */
1867     for( psz = dup; *psz != '\0'; ++psz )
1868     {
1869         if( *psz == ',')
1870         {
1871             ++i_records;
1872             *psz = '\0';
1873         }
1874     }
1875
1876     size_t configMax = 5*strlen(dup);
1877     unsigned char *cfg = new unsigned char[configMax];
1878     psz = dup;
1879     for( size_t i = 0; i < i_records; ++i )
1880     {
1881         cfg[configSize++] = 0x00;
1882         cfg[configSize++] = 0x00;
1883         cfg[configSize++] = 0x00;
1884         cfg[configSize++] = 0x01;
1885
1886         configSize += vlc_b64_decode_binary_to_buffer( cfg+configSize,
1887                                           configMax-configSize, psz );
1888         psz += strlen(psz)+1;
1889     }
1890
1891     free( dup );
1892     return cfg;
1893 }