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

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