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