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 static inline const char *strempty( const char *s ) { return s?s:""; }
 447 static inline Boolean toBool( bool b ) { return b?True:False; } // silly, no?
 448
 449 /*****************************************************************************
 450  * Connect: connects to the RTSP server to setup the session DESCRIBE
 451  *****************************************************************************/
 452 static int Connect( demux_t *p_demux )
 453 {
 454     demux_sys_t *p_sys = p_demux->p_sys;
 455     Authenticator authenticator;
 456     bool b_firstpass  = true;
 457     char *psz_user    = NULL;
 458     char *psz_pwd     = NULL;
 459     char *psz_url     = NULL;
 460     char *psz_options = NULL;
 461     char *p_sdp       = NULL;
 462     int  i_http_port  = 0;
 463     int  i_ret        = VLC_SUCCESS;
 464
 465     /* Create the url using the port number if available */
 466     if( p_sys->url.i_port == 0 )
 467     {
 468         p_sys->url.i_port = 554;
 469         if( asprintf( &psz_url, "rtsp://%s", p_sys->psz_path ) == -1 )
 470             return VLC_ENOMEM;
 471     }
 472     else
 473     {
 474         if( asprintf( &psz_url, "rtsp://%s:%d%s", p_sys->url.psz_host,
 475                       p_sys->url.i_port, p_sys->url.psz_path ) == -1 )
 476             return VLC_ENOMEM;
 477     }
 478
 479     /* Get the user name and password */
 480     if( p_sys->url.psz_username || p_sys->url.psz_password )
 481     {
 482         psz_user = strdup( strempty( p_sys->url.psz_username ) );
 483         psz_pwd  = strdup( strempty( p_sys->url.psz_password ) );
 484     }
 485     else
 486     {
 487         psz_user = var_CreateGetString( p_demux, "rtsp-user" );
 488         psz_pwd  = var_CreateGetString( p_demux, "rtsp-pwd" );
 489     }
 490
 491 createnew:
 492     if( !vlc_object_alive (p_demux) || p_demux->b_error )
 493     {
 494         i_ret = VLC_EGENERIC;
 495         goto bailout;
 496     }
 497
 498     if( var_CreateGetBool( p_demux, "rtsp-http" ) )
 499         i_http_port = var_CreateGetInteger( p_demux, "rtsp-http-port" );
 500
 501     if( ( p_sys->rtsp = RTSPClient::createNew( *p_sys->env,
 502           var_CreateGetInteger( p_demux, "verbose" ) > 1,
 503           "VLC media player", i_http_port ) ) == NULL )
 504     {
 505         msg_Err( p_demux, "RTSPClient::createNew failed (%s)",
 506                  p_sys->env->getResultMsg() );
 507         i_ret = VLC_EGENERIC;
 508         goto bailout;
 509     }
 510
 511     /* Kasenna enables KeepAlive by analysing the User-Agent string.
 512      * Appending _KA to the string should be enough to enable this feature,
 513      * however, there is a bug where the _KA doesn't get parsed from the
 514      * default User-Agent as created by VLC/Live555 code. This is probably due
 515      * to spaces in the string or the string being too long. Here we override
 516      * the default string with a more compact version.
 517      */
 518     if( var_CreateGetBool( p_demux, "rtsp-kasenna" ))
 519     {
 520         p_sys->rtsp->setUserAgentString( "VLC_MEDIA_PLAYER_KA" );
 521     }
 522
 523 describe:
 524     authenticator.setUsernameAndPassword( psz_user, psz_pwd );
 525
 526     /* */
 527     { /* i_timeout hack scope */
 528 #if LIVEMEDIA_LIBRARY_VERSION_INT >= 1223337600
 529     const int i_timeout = var_CreateGetInteger(p_demux, "ipv4-timeout") / 1000;
 530     psz_options = p_sys->rtsp->sendOptionsCmd( psz_url, psz_user, psz_pwd,
 531                                                &authenticator, i_timeout );
 532 #else
 533     psz_options = p_sys->rtsp->sendOptionsCmd( psz_url, psz_user, psz_pwd,
 534                                                &authenticator );
 535 #endif
 536     if( psz_options == NULL && authenticator.realm() != NULL )
 537     {
 538         // try again, with the realm set this time
 539 #if LIVEMEDIA_LIBRARY_VERSION_INT >= 1223337600
 540         psz_options = p_sys->rtsp->sendOptionsCmd( psz_url, psz_user, psz_pwd,
 541                                                &authenticator, i_timeout );
 542 #else
 543         psz_options = p_sys->rtsp->sendOptionsCmd( psz_url, psz_user, psz_pwd,
 544                                                &authenticator );
 545 #endif
 546     }
 547     if( psz_options )
 548         p_sys->b_get_param = (bool)strstr( psz_options, "GET_PARAMETER" );
 549     delete [] psz_options;
 550
 551 #if LIVEMEDIA_LIBRARY_VERSION_INT >= 1223337600
 552     p_sdp = p_sys->rtsp->describeWithPassword( psz_url, psz_user, psz_pwd,
 553                           var_GetBool( p_demux, "rtsp-kasenna" ), i_timeout );
 554 #else
 555     p_sdp = p_sys->rtsp->describeWithPassword( psz_url, psz_user, psz_pwd,
 556                                      var_GetBool( p_demux, "rtsp-kasenna" ) );
 557 #endif
 558     } /* i_timeout scope end */
 559
 560     if( p_sdp == NULL )
 561     {
 562         /* failure occurred */
 563         int i_code = 0;
 564         const char *psz_error = p_sys->env->getResultMsg();
 565
 566         if( var_GetBool( p_demux, "rtsp-http" ) )
 567             sscanf( psz_error, "%*s %*s HTTP GET %*s HTTP/%*u.%*u %3u %*s",
 568                     &i_code );
 569         else
 570         {
 571             const char *psz_tmp = strstr( psz_error, "RTSP" );
 572             if( psz_tmp )
 573                 sscanf( psz_tmp, "RTSP/%*s%3u", &i_code );
 574             else
 575                 i_code = 0;
 576         }
 577         msg_Dbg( p_demux, "DESCRIBE failed with %d: %s", i_code, psz_error );
 578
 579         if( b_firstpass )
 580         {   /* describeURL always returns an "RTSP/1.0 401 Unauthorized" the
 581              * first time. This is a workaround to avoid asking for a
 582              * user/passwd the first time the code passess here. */
 583             i_code = 0;
 584             b_firstpass = false;
 585         }
 586
 587         if( i_code == 401 )
 588         {
 589             msg_Dbg( p_demux, "authentication failed" );
 590
 591             free( psz_user );
 592             free( psz_pwd );
 593             dialog_Login( p_demux, &psz_user, &psz_pwd,
 594                           _("RTSP authentication"), "%s",
 595                         _("Please enter a valid login name and a password.") );
 596             if( psz_user != NULL && psz_pwd != NULL )
 597             {
 598                 msg_Dbg( p_demux, "retrying with user=%s", psz_user );
 599                 goto describe;
 600             }
 601         }
 602         else if( (i_code != 0) && !var_GetBool( p_demux, "rtsp-http" ) )
 603         {
 604             /* Perhaps a firewall is being annoying. Try HTTP tunneling mode */
 605             msg_Dbg( p_demux, "we will now try HTTP tunneling mode" );
 606             var_SetBool( p_demux, "rtsp-http", true );
 607             if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp );
 608             p_sys->rtsp = NULL;
 609             goto createnew;
 610         }
 611         else
 612         {
 613             msg_Dbg( p_demux, "connection timeout" );
 614             if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp );
 615             p_sys->rtsp = NULL;
 616         }
 617         i_ret = VLC_EGENERIC;
 618     }
 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 bailout:
 626     /* malloc-ated copy */
 627     free( psz_url );
 628     free( psz_user );
 629     free( psz_pwd );
 630
 631     return i_ret;
 632 }
 633
 634 /*****************************************************************************
 635  * SessionsSetup: prepares the subsessions and does the SETUP
 636  *****************************************************************************/
 637 static int SessionsSetup( demux_t *p_demux )
 638 {
 639     demux_sys_t             *p_sys  = p_demux->p_sys;
 640     MediaSubsessionIterator *iter   = NULL;
 641     MediaSubsession         *sub    = NULL;
 642
 643     bool           b_rtsp_tcp = false;
 644     int            i_client_port;
 645     int            i_return = VLC_SUCCESS;
 646     unsigned int   i_buffer = 0;
 647     unsigned const thresh = 200000; /* RTP reorder threshold .2 second (default .1) */
 648
 649     b_rtsp_tcp    = var_CreateGetBool( p_demux, "rtsp-tcp" ) ||
 650                     var_GetBool( p_demux, "rtsp-http" );
 651     i_client_port = var_CreateGetInteger( p_demux, "rtp-client-port" );
 652
 653     /* Create the session from the SDP */
 654     if( !( p_sys->ms = MediaSession::createNew( *p_sys->env, p_sys->p_sdp ) ) )
 655     {
 656         msg_Err( p_demux, "Could not create the RTSP Session: %s",
 657             p_sys->env->getResultMsg() );
 658         return VLC_EGENERIC;
 659     }
 660
 661     /* Initialise each media subsession */
 662     iter = new MediaSubsessionIterator( *p_sys->ms );
 663     while( ( sub = iter->next() ) != NULL )
 664     {
 665         Boolean bInit;
 666         live_track_t *tk;
 667
 668         if( !vlc_object_alive (p_demux) || p_demux->b_error )
 669         {
 670             delete iter;
 671             return VLC_EGENERIC;
 672         }
 673
 674         /* Value taken from mplayer */
 675         if( !strcmp( sub->mediumName(), "audio" ) )
 676             i_buffer = 100000;
 677         else if( !strcmp( sub->mediumName(), "video" ) )
 678             i_buffer = 2000000;
 679         else continue;
 680
 681         if( i_client_port != -1 )
 682         {
 683             sub->setClientPortNum( i_client_port );
 684             i_client_port += 2;
 685         }
 686
 687         if( strcasestr( sub->codecName(), "REAL" ) )
 688         {
 689             msg_Info( p_demux, "real codec detected, using real-RTSP instead" );
 690             p_sys->b_real = true; /* This is a problem, we'll handle it later */
 691             continue;
 692         }
 693
 694         if( !strcmp( sub->codecName(), "X-ASF-PF" ) )
 695             bInit = sub->initiate( 4 ); /* Constant ? */
 696         else
 697             bInit = sub->initiate();
 698
 699         if( !bInit )
 700         {
 701             msg_Warn( p_demux, "RTP subsession '%s/%s' failed (%s)",
 702                       sub->mediumName(), sub->codecName(),
 703                       p_sys->env->getResultMsg() );
 704         }
 705         else
 706         {
 707             if( sub->rtpSource() != NULL )
 708             {
 709                 int fd = sub->rtpSource()->RTPgs()->socketNum();
 710
 711                 /* Increase the buffer size */
 712                 if( i_buffer > 0 )
 713                     increaseReceiveBufferTo( *p_sys->env, fd, i_buffer );
 714
 715                 /* Increase the RTP reorder timebuffer just a bit */
 716                 sub->rtpSource()->setPacketReorderingThresholdTime(thresh);
 717             }
 718             msg_Dbg( p_demux, "RTP subsession '%s/%s'", sub->mediumName(),
 719                      sub->codecName() );
 720
 721             /* Issue the SETUP */
 722             if( p_sys->rtsp )
 723             {
 724                 if( !p_sys->rtsp->setupMediaSubsession( *sub, False,
 725                                                         toBool( b_rtsp_tcp ),
 726                              toBool( p_sys->b_force_mcast && !b_rtsp_tcp ) ) )
 727                 {
 728                     /* if we get an unsupported transport error, toggle TCP
 729                      * use and try again */
 730                     if( !strstr(p_sys->env->getResultMsg(),
 731                                 "461 Unsupported Transport")
 732                         || !p_sys->rtsp->setupMediaSubsession( *sub, False,
 733                                                toBool( b_rtsp_tcp ), False ) )
 734                     {
 735                         msg_Err( p_demux, "SETUP of'%s/%s' failed %s",
 736                                  sub->mediumName(), sub->codecName(),
 737                                  p_sys->env->getResultMsg() );
 738                         continue;
 739                     }
 740                 }
 741             }
 742
 743             /* Check if we will receive data from this subsession for
 744              * this track */
 745             if( sub->readSource() == NULL ) continue;
 746             if( !p_sys->b_multicast )
 747             {
 748                 /* We need different rollover behaviour for multicast */
 749                 p_sys->b_multicast = IsMulticastAddress( sub->connectionEndpointAddress() );
 750             }
 751
 752             tk = (live_track_t*)malloc( sizeof( live_track_t ) );
 753             if( !tk )
 754             {
 755                 delete iter;
 756                 return VLC_ENOMEM;
 757             }
 758             tk->p_demux     = p_demux;
 759             tk->sub         = sub;
 760             tk->p_es        = NULL;
 761             tk->b_quicktime = false;
 762             tk->b_asf       = false;
 763             tk->b_muxed     = false;
 764             tk->b_discard_trunc = false;
 765             tk->p_out_muxed = NULL;
 766             tk->waiting     = 0;
 767             tk->b_rtcp_sync = false;
 768             tk->i_pts       = 0;
 769             tk->i_npt       = 0.;
 770             tk->i_buffer    = 65536;
 771             tk->p_buffer    = (uint8_t *)malloc( 65536 );
 772             if( !tk->p_buffer )
 773             {
 774                 free( tk );
 775                 delete iter;
 776                 return VLC_ENOMEM;
 777             }
 778
 779             /* Value taken from mplayer */
 780             if( !strcmp( sub->mediumName(), "audio" ) )
 781             {
 782                 es_format_Init( &tk->fmt, AUDIO_ES, VLC_FOURCC('u','n','d','f') );
 783                 tk->fmt.audio.i_channels = sub->numChannels();
 784                 tk->fmt.audio.i_rate = sub->rtpTimestampFrequency();
 785
 786                 if( !strcmp( sub->codecName(), "MPA" ) ||
 787                     !strcmp( sub->codecName(), "MPA-ROBUST" ) ||
 788                     !strcmp( sub->codecName(), "X-MP3-DRAFT-00" ) )
 789                 {
 790                     tk->fmt.i_codec = VLC_CODEC_MPGA;
 791                     tk->fmt.audio.i_rate = 0;
 792                 }
 793                 else if( !strcmp( sub->codecName(), "AC3" ) )
 794                 {
 795                     tk->fmt.i_codec = VLC_CODEC_A52;
 796                     tk->fmt.audio.i_rate = 0;
 797                 }
 798                 else if( !strcmp( sub->codecName(), "L16" ) )
 799                 {
 800                     tk->fmt.i_codec = VLC_FOURCC( 't', 'w', 'o', 's' );
 801                     tk->fmt.audio.i_bitspersample = 16;
 802                 }
 803                 else if( !strcmp( sub->codecName(), "L8" ) )
 804                 {
 805                     tk->fmt.i_codec = VLC_FOURCC( 'a', 'r', 'a', 'w' );
 806                     tk->fmt.audio.i_bitspersample = 8;
 807                 }
 808                 else if( !strcmp( sub->codecName(), "PCMU" ) )
 809                 {
 810                     tk->fmt.i_codec = VLC_CODEC_MULAW;
 811                 }
 812                 else if( !strcmp( sub->codecName(), "PCMA" ) )
 813                 {
 814                     tk->fmt.i_codec = VLC_CODEC_ALAW;
 815                 }
 816                 else if( !strncmp( sub->codecName(), "G726", 4 ) )
 817                 {
 818                     tk->fmt.i_codec = VLC_CODEC_ADPCM_G726;
 819                     tk->fmt.audio.i_rate = 8000;
 820                     tk->fmt.audio.i_channels = 1;
 821                     if( !strcmp( sub->codecName()+5, "40" ) )
 822                         tk->fmt.i_bitrate = 40000;
 823                     else if( !strcmp( sub->codecName()+5, "32" ) )
 824                         tk->fmt.i_bitrate = 32000;
 825                     else if( !strcmp( sub->codecName()+5, "24" ) )
 826                         tk->fmt.i_bitrate = 24000;
 827                     else if( !strcmp( sub->codecName()+5, "16" ) )
 828                         tk->fmt.i_bitrate = 16000;
 829                 }
 830                 else if( !strcmp( sub->codecName(), "AMR" ) )
 831                 {
 832                     tk->fmt.i_codec = VLC_CODEC_AMR_NB;
 833                 }
 834                 else if( !strcmp( sub->codecName(), "AMR-WB" ) )
 835                 {
 836                     tk->fmt.i_codec = VLC_CODEC_AMR_WB;
 837                 }
 838                 else if( !strcmp( sub->codecName(), "MP4A-LATM" ) )
 839                 {
 840                     unsigned int i_extra;
 841                     uint8_t      *p_extra;
 842
 843                     tk->fmt.i_codec = VLC_CODEC_MP4A;
 844
 845                     if( ( p_extra = parseStreamMuxConfigStr( sub->fmtp_config(),
 846                                                              i_extra ) ) )
 847                     {
 848                         tk->fmt.i_extra = i_extra;
 849                         tk->fmt.p_extra = malloc( i_extra );
 850                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
 851                         delete[] p_extra;
 852                     }
 853                     /* Because the "faad" decoder does not handle the LATM
 854                      * data length field at the start of each returned LATM
 855                      * frame, tell the RTP source to omit it. */
 856                     ((MPEG4LATMAudioRTPSource*)sub->rtpSource())->omitLATMDataLengthField();
 857                 }
 858                 else if( !strcmp( sub->codecName(), "MPEG4-GENERIC" ) )
 859                 {
 860                     unsigned int i_extra;
 861                     uint8_t      *p_extra;
 862
 863                     tk->fmt.i_codec = VLC_CODEC_MP4A;
 864
 865                     if( ( p_extra = parseGeneralConfigStr( sub->fmtp_config(),
 866                                                            i_extra ) ) )
 867                     {
 868                         tk->fmt.i_extra = i_extra;
 869                         tk->fmt.p_extra = malloc( i_extra );
 870                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
 871                         delete[] p_extra;
 872                     }
 873                 }
 874                 else if( !strcmp( sub->codecName(), "X-ASF-PF" ) )
 875                 {
 876                     tk->b_asf = true;
 877                     if( p_sys->p_out_asf == NULL )
 878                         p_sys->p_out_asf = stream_DemuxNew( p_demux, "asf",
 879                                                             p_demux->out );
 880                 }
 881                 else if( !strcmp( sub->codecName(), "X-QT" ) ||
 882                          !strcmp( sub->codecName(), "X-QUICKTIME" ) )
 883                 {
 884                     tk->b_quicktime = true;
 885                 }
 886                 else if( !strcmp( sub->codecName(), "SPEEX" ) )
 887                 {
 888                     tk->fmt.i_codec = VLC_FOURCC( 's', 'p', 'x', 'r' );
 889                     if ( sub->rtpTimestampFrequency() )
 890                         tk->fmt.audio.i_rate = sub->rtpTimestampFrequency();
 891                     else
 892                     {
 893                         msg_Warn( p_demux,"Using 8kHz as default sample rate." );
 894                         tk->fmt.audio.i_rate = 8000;
 895                     }
 896                 }
 897             }
 898             else if( !strcmp( sub->mediumName(), "video" ) )
 899             {
 900                 es_format_Init( &tk->fmt, VIDEO_ES, VLC_FOURCC('u','n','d','f') );
 901                 if( !strcmp( sub->codecName(), "MPV" ) )
 902                 {
 903                     tk->fmt.i_codec = VLC_CODEC_MPGV;
 904                 }
 905                 else if( !strcmp( sub->codecName(), "H263" ) ||
 906                          !strcmp( sub->codecName(), "H263-1998" ) ||
 907                          !strcmp( sub->codecName(), "H263-2000" ) )
 908                 {
 909                     tk->fmt.i_codec = VLC_CODEC_H263;
 910                 }
 911                 else if( !strcmp( sub->codecName(), "H261" ) )
 912                 {
 913                     tk->fmt.i_codec = VLC_CODEC_H261;
 914                 }
 915                 else if( !strcmp( sub->codecName(), "H264" ) )
 916                 {
 917                     unsigned int i_extra = 0;
 918                     uint8_t      *p_extra = NULL;
 919
 920                     tk->fmt.i_codec = VLC_CODEC_H264;
 921                     tk->fmt.b_packetized = false;
 922
 923                     if((p_extra=parseH264ConfigStr( sub->fmtp_spropparametersets(),
 924                                                     i_extra ) ) )
 925                     {
 926                         tk->fmt.i_extra = i_extra;
 927                         tk->fmt.p_extra = malloc( i_extra );
 928                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
 929
 930                         delete[] p_extra;
 931                     }
 932                 }
 933                 else if( !strcmp( sub->codecName(), "JPEG" ) )
 934                 {
 935                     tk->fmt.i_codec = VLC_CODEC_MJPG;
 936                 }
 937                 else if( !strcmp( sub->codecName(), "MP4V-ES" ) )
 938                 {
 939                     unsigned int i_extra;
 940                     uint8_t      *p_extra;
 941
 942                     tk->fmt.i_codec = VLC_CODEC_MP4V;
 943
 944                     if( ( p_extra = parseGeneralConfigStr( sub->fmtp_config(),
 945                                                            i_extra ) ) )
 946                     {
 947                         tk->fmt.i_extra = i_extra;
 948                         tk->fmt.p_extra = malloc( i_extra );
 949                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
 950                         delete[] p_extra;
 951                     }
 952                 }
 953                 else if( !strcmp( sub->codecName(), "X-QT" ) ||
 954                          !strcmp( sub->codecName(), "X-QUICKTIME" ) ||
 955                          !strcmp( sub->codecName(), "X-QDM" ) ||
 956                          !strcmp( sub->codecName(), "X-SV3V-ES" )  ||
 957                          !strcmp( sub->codecName(), "X-SORENSONVIDEO" ) )
 958                 {
 959                     tk->b_quicktime = true;
 960                 }
 961                 else if( !strcmp( sub->codecName(), "MP2T" ) )
 962                 {
 963                     tk->b_muxed = true;
 964                     tk->p_out_muxed = stream_DemuxNew( p_demux, "ts", p_demux->out );
 965                 }
 966                 else if( !strcmp( sub->codecName(), "MP2P" ) ||
 967                          !strcmp( sub->codecName(), "MP1S" ) )
 968                 {
 969                     tk->b_muxed = true;
 970                     tk->p_out_muxed = stream_DemuxNew( p_demux, "ps",
 971                                                        p_demux->out );
 972                 }
 973                 else if( !strcmp( sub->codecName(), "X-ASF-PF" ) )
 974                 {
 975                     tk->b_asf = true;
 976                     if( p_sys->p_out_asf == NULL )
 977                         p_sys->p_out_asf = stream_DemuxNew( p_demux, "asf",
 978                                                             p_demux->out );;
 979                 }
 980                 else if( !strcmp( sub->codecName(), "DV" ) )
 981                 {
 982                     tk->b_muxed = true;
 983                     tk->b_discard_trunc = true;
 984                     tk->p_out_muxed = stream_DemuxNew( p_demux, "rawdv",
 985                                                        p_demux->out );
 986                 }
 987             }
 988
 989             if( !tk->b_quicktime && !tk->b_muxed && !tk->b_asf )
 990             {
 991                 tk->p_es = es_out_Add( p_demux->out, &tk->fmt );
 992             }
 993
 994             if( sub->rtcpInstance() != NULL )
 995             {
 996                 sub->rtcpInstance()->setByeHandler( StreamClose, tk );
 997             }
 998
 999             if( tk->p_es || tk->b_quicktime || tk->b_muxed || tk->b_asf )
1000             {
1001                 /* Append */
1002                 p_sys->track = (live_track_t**)realloc( p_sys->track, sizeof( live_track_t ) * ( p_sys->i_track + 1 ) );
1003                 p_sys->track[p_sys->i_track++] = tk;
1004             }
1005             else
1006             {
1007                 /* BUG ??? */
1008                 msg_Err( p_demux, "unusable RTSP track. this should not happen" );
1009                 es_format_Clean( &tk->fmt );
1010                 free( tk );
1011             }
1012         }
1013     }
1014     delete iter;
1015     if( p_sys->i_track <= 0 ) i_return = VLC_EGENERIC;
1016
1017     /* Retrieve the starttime if possible */
1018     p_sys->i_npt_start = p_sys->ms->playStartTime();
1019
1020     /* Retrieve the duration if possible */
1021     p_sys->i_npt_length = p_sys->ms->playEndTime();
1022
1023     /* */
1024     msg_Dbg( p_demux, "setup start: %f stop:%f", p_sys->i_npt_start, p_sys->i_npt_length );
1025
1026     /* */
1027     p_sys->b_no_data = true;
1028     p_sys->i_no_data_ti = 0;
1029
1030     return i_return;
1031 }
1032
1033 /*****************************************************************************
1034  * Play: starts the actual playback of the stream
1035  *****************************************************************************/
1036 static int Play( demux_t *p_demux )
1037 {
1038     demux_sys_t *p_sys = p_demux->p_sys;
1039
1040     if( p_sys->rtsp )
1041     {
1042         /* The PLAY */
1043         if( !p_sys->rtsp->playMediaSession( *p_sys->ms, p_sys->i_npt_start, -1, 1 ) )
1044         {
1045             msg_Err( p_demux, "RTSP PLAY failed %s", p_sys->env->getResultMsg() );
1046             return VLC_EGENERIC;
1047         }
1048
1049         /* Retrieve the timeout value and set up a timeout prevention thread */
1050         p_sys->i_timeout = p_sys->rtsp->sessionTimeoutParameter();
1051         if( p_sys->i_timeout <= 0 )
1052             p_sys->i_timeout = 60; /* default value from RFC2326 */
1053
1054         /* start timeout-thread only if GET_PARAMETER is supported by the server */
1055         if( !p_sys->p_timeout && p_sys->b_get_param )
1056         {
1057             msg_Dbg( p_demux, "We have a timeout of %d seconds",  p_sys->i_timeout );
1058             p_sys->p_timeout = (timeout_thread_t *)malloc( sizeof(timeout_thread_t) );
1059             if( p_sys->p_timeout )
1060             {
1061                 memset( p_sys->p_timeout, 0, sizeof(timeout_thread_t) );
1062                 p_sys->p_timeout->p_sys = p_demux->p_sys; /* lol, object recursion :D */
1063                 if( vlc_clone( &p_sys->p_timeout->handle,  TimeoutPrevention,
1064                                p_sys->p_timeout, VLC_THREAD_PRIORITY_LOW ) )
1065                 {
1066                     msg_Err( p_demux, "cannot spawn liveMedia timeout thread" );
1067                     free( p_sys->p_timeout );
1068                     p_sys->p_timeout = NULL;
1069                 }
1070                 else
1071                     msg_Dbg( p_demux, "spawned timeout thread" );
1072             }
1073             else
1074                 msg_Err( p_demux, "cannot spawn liveMedia timeout thread" );
1075         }
1076     }
1077     p_sys->i_pcr = 0;
1078
1079     /* Retrieve the starttime if possible */
1080     p_sys->i_npt_start = p_sys->ms->playStartTime();
1081     p_sys->i_npt_length = p_sys->ms->playEndTime();
1082
1083     msg_Dbg( p_demux, "play start: %f stop:%f", p_sys->i_npt_start, p_sys->i_npt_length );
1084     return VLC_SUCCESS;
1085 }
1086
1087
1088 /*****************************************************************************
1089  * Demux:
1090  *****************************************************************************/
1091 static int Demux( demux_t *p_demux )
1092 {
1093     demux_sys_t    *p_sys = p_demux->p_sys;
1094     TaskToken      task;
1095
1096     bool            b_send_pcr = true;
1097     int64_t         i_pcr = 0;
1098     int             i;
1099
1100     /* Check if we need to send the server a Keep-A-Live signal */
1101     if( p_sys->b_timeout_call && p_sys->rtsp && p_sys->ms )
1102     {
1103         char *psz_bye = NULL;
1104         p_sys->rtsp->getMediaSessionParameter( *p_sys->ms, NULL, psz_bye );
1105         p_sys->b_timeout_call = false;
1106     }
1107
1108     for( i = 0; i < p_sys->i_track; i++ )
1109     {
1110         live_track_t *tk = p_sys->track[i];
1111
1112         if( tk->b_asf || tk->b_muxed )
1113             b_send_pcr = false;
1114 #if 0
1115         if( i_pcr == 0 )
1116         {
1117             i_pcr = tk->i_pts;
1118         }
1119         else if( tk->i_pts != 0 && i_pcr > tk->i_pts )
1120         {
1121             i_pcr = tk->i_pts ;
1122         }
1123 #endif
1124     }
1125     if( p_sys->i_pcr > 0 )
1126     {
1127         if( b_send_pcr )
1128             es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_sys->i_pcr );
1129     }
1130
1131     /* First warn we want to read data */
1132     p_sys->event = 0;
1133     for( i = 0; i < p_sys->i_track; i++ )
1134     {
1135         live_track_t *tk = p_sys->track[i];
1136
1137         if( tk->waiting == 0 )
1138         {
1139             tk->waiting = 1;
1140             tk->sub->readSource()->getNextFrame( tk->p_buffer, tk->i_buffer,
1141                                           StreamRead, tk, StreamClose, tk );
1142         }
1143     }
1144     /* Create a task that will be called if we wait more than 300ms */
1145     task = p_sys->scheduler->scheduleDelayedTask( 300000, TaskInterrupt, p_demux );
1146
1147     /* Do the read */
1148     p_sys->scheduler->doEventLoop( &p_sys->event );
1149
1150     /* remove the task */
1151     p_sys->scheduler->unscheduleDelayedTask( task );
1152
1153     /* Check for gap in pts value */
1154     for( i = 0; i < p_sys->i_track; i++ )
1155     {
1156         live_track_t *tk = p_sys->track[i];
1157
1158         if( !tk->b_muxed && !tk->b_rtcp_sync &&
1159             tk->sub->rtpSource() && tk->sub->rtpSource()->hasBeenSynchronizedUsingRTCP() )
1160         {
1161             msg_Dbg( p_demux, "tk->rtpSource->hasBeenSynchronizedUsingRTCP()" );
1162
1163             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
1164             tk->b_rtcp_sync = true;
1165             /* reset PCR */
1166             tk->i_pts = 0;
1167             tk->i_npt = 0.;
1168             p_sys->i_pcr = 0;
1169             p_sys->i_npt = 0.;
1170             i_pcr = 0;
1171         }
1172     }
1173
1174     if( p_sys->b_multicast && p_sys->b_no_data &&
1175         ( p_sys->i_no_data_ti > 120 ) )
1176     {
1177         /* FIXME Make this configurable
1178         msg_Err( p_demux, "no multicast data received in 36s, aborting" );
1179         return 0;
1180         */
1181     }
1182     else if( !p_sys->b_multicast && p_sys->b_no_data &&
1183              ( p_sys->i_no_data_ti > 34 ) )
1184     {
1185         bool b_rtsp_tcp = var_GetBool( p_demux, "rtsp-tcp" ) ||
1186                                 var_GetBool( p_demux, "rtsp-http" );
1187
1188         if( !b_rtsp_tcp && p_sys->rtsp && p_sys->ms )
1189         {
1190             msg_Warn( p_demux, "no data received in 10s. Switching to TCP" );
1191             if( RollOverTcp( p_demux ) )
1192             {
1193                 msg_Err( p_demux, "TCP rollover failed, aborting" );
1194                 return 0;
1195             }
1196             return 1;
1197         }
1198         msg_Err( p_demux, "no data received in 10s, aborting" );
1199         return 0;
1200     }
1201     else if( !p_sys->b_multicast && p_sys->i_no_data_ti > 34 )
1202     {
1203         /* EOF ? */
1204         msg_Warn( p_demux, "no data received in 10s, eof ?" );
1205         return 0;
1206     }
1207     return p_demux->b_error ? 0 : 1;
1208 }
1209
1210 /*****************************************************************************
1211  * Control:
1212  *****************************************************************************/
1213 static int Control( demux_t *p_demux, int i_query, va_list args )
1214 {
1215     demux_sys_t *p_sys = p_demux->p_sys;
1216     int64_t *pi64, i64;
1217     double  *pf, f;
1218     bool *pb, *pb2, b_bool;
1219     int *pi_int;
1220
1221     switch( i_query )
1222     {
1223         case DEMUX_GET_TIME:
1224             pi64 = (int64_t*)va_arg( args, int64_t * );
1225             if( p_sys->i_npt > 0 )
1226             {
1227                 *pi64 = (int64_t)(p_sys->i_npt * 1000000.);
1228                 return VLC_SUCCESS;
1229             }
1230             return VLC_EGENERIC;
1231
1232         case DEMUX_GET_LENGTH:
1233             pi64 = (int64_t*)va_arg( args, int64_t * );
1234             if( p_sys->i_npt_length > 0 )
1235             {
1236                 *pi64 = (int64_t)((double)p_sys->i_npt_length * 1000000.0);
1237                 return VLC_SUCCESS;
1238             }
1239             return VLC_EGENERIC;
1240
1241         case DEMUX_GET_POSITION:
1242             pf = (double*)va_arg( args, double* );
1243             if( (p_sys->i_npt_length > 0) && (p_sys->i_npt > 0) )
1244             {
1245                 *pf = ( (double)p_sys->i_npt / (double)p_sys->i_npt_length );
1246                 return VLC_SUCCESS;
1247             }
1248             return VLC_EGENERIC;
1249
1250         case DEMUX_SET_POSITION:
1251         case DEMUX_SET_TIME:
1252             if( p_sys->rtsp && (p_sys->i_npt_length > 0) )
1253             {
1254                 int i;
1255                 float time;
1256
1257                 if( (i_query == DEMUX_SET_TIME) && (p_sys->i_npt > 0) )
1258                 {
1259                     i64 = (int64_t)va_arg( args, int64_t );
1260                     time = (float)((double)i64 / (double)1000000.0); /* in second */
1261                 }
1262                 else if( i_query == DEMUX_SET_TIME )
1263                     return VLC_EGENERIC;
1264                 else
1265                 {
1266                     f = (double)va_arg( args, double );
1267                     time = f * (double)p_sys->i_npt_length;   /* in second */
1268                 }
1269
1270                 if( !p_sys->rtsp->playMediaSession( *p_sys->ms, time, -1, 1 ) )
1271                 {
1272                     msg_Err( p_demux, "PLAY failed %s",
1273                         p_sys->env->getResultMsg() );
1274                     return VLC_EGENERIC;
1275                 }
1276                 p_sys->i_pcr = 0;
1277
1278                 /* Retrieve RTP-Info values */
1279                 for( i = 0; i < p_sys->i_track; i++ )
1280                 {
1281                     p_sys->track[i]->b_rtcp_sync = false;
1282                     p_sys->track[i]->i_pts = 0;
1283                 }
1284
1285                 /* Retrieve the starttime if possible */
1286                 p_sys->i_npt = p_sys->i_npt_start = p_sys->ms->playStartTime();
1287
1288                 /* Retrieve the duration if possible */
1289                 p_sys->i_npt_length = p_sys->ms->playEndTime();
1290
1291                 msg_Dbg( p_demux, "seek start: %f stop:%f", p_sys->i_npt_start, p_sys->i_npt_length );
1292                 return VLC_SUCCESS;
1293             }
1294             return VLC_EGENERIC;
1295
1296         /* Special for access_demux */
1297         case DEMUX_CAN_PAUSE:
1298         case DEMUX_CAN_SEEK:
1299             pb = (bool*)va_arg( args, bool * );
1300             if( p_sys->rtsp && p_sys->i_npt_length > 0 )
1301                 /* Not always true, but will be handled in SET_PAUSE_STATE */
1302                 *pb = true;
1303             else
1304                 *pb = false;
1305             return VLC_SUCCESS;
1306
1307         case DEMUX_CAN_CONTROL_PACE:
1308             pb = (bool*)va_arg( args, bool * );
1309
1310 #if 1       /* Disable for now until we have a clock synchro algo
1311              * which works with something else than MPEG over UDP */
1312             *pb = false;
1313 #else
1314             *pb = true;
1315 #endif
1316             return VLC_SUCCESS;
1317
1318         case DEMUX_CAN_CONTROL_RATE:
1319             pb = (bool*)va_arg( args, bool * );
1320             pb2 = (bool*)va_arg( args, bool * );
1321
1322             *pb = (p_sys->rtsp != NULL) &&
1323                     (p_sys->i_npt_length > 0) &&
1324                     !var_GetBool( p_demux, "rtsp-kasenna" );
1325             *pb2 = false;
1326             return VLC_SUCCESS;
1327
1328         case DEMUX_SET_RATE:
1329         {
1330             double f_scale, f_old_scale;
1331
1332             if( !p_sys->rtsp || (p_sys->i_npt_length <= 0) ||
1333                 var_GetBool( p_demux, "rtsp-kasenna" ) )
1334                 return VLC_EGENERIC;
1335
1336             /* According to RFC 2326 p56 chapter 12.35 a RTSP server that
1337              * supports Scale:
1338              *
1339              * "[...] should try to approximate the viewing rate, but
1340              *  may restrict the range of scale values that it supports.
1341              *  The response MUST contain the actual scale value chosen
1342              *  by the server."
1343              *
1344              * Scale = 1 indicates normal play
1345              * Scale > 1 indicates fast forward
1346              * Scale < 1 && Scale > 0 indicates slow motion
1347              * Scale < 0 value indicates rewind
1348              */
1349
1350             pi_int = (int*)va_arg( args, int * );
1351             f_scale = (double)INPUT_RATE_DEFAULT / (*pi_int);
1352             f_old_scale = p_sys->ms->scale();
1353
1354             /* Passing -1 for the start and end time will mean liveMedia won't
1355              * create a Range: section for the RTSP message. The server should
1356              * pick up from the current position */
1357             if( !p_sys->rtsp->playMediaSession( *p_sys->ms, -1, -1, f_scale ) )
1358             {
1359                 msg_Err( p_demux, "PLAY with Scale %0.2f failed %s", f_scale,
1360                         p_sys->env->getResultMsg() );
1361                 return VLC_EGENERIC;
1362             }
1363
1364             if( p_sys->ms->scale() == f_old_scale )
1365             {
1366                 msg_Err( p_demux, "no scale change using old Scale %0.2f",
1367                           p_sys->ms->scale() );
1368                 return VLC_EGENERIC;
1369             }
1370
1371             /* ReSync the stream */
1372             p_sys->i_npt_start = 0;
1373             p_sys->i_pcr = 0;
1374             p_sys->i_npt = 0.0;
1375
1376             *pi_int = (int)( INPUT_RATE_DEFAULT / p_sys->ms->scale() );
1377             msg_Dbg( p_demux, "PLAY with new Scale %0.2f (%d)", p_sys->ms->scale(), (*pi_int) );
1378             return VLC_SUCCESS;
1379         }
1380
1381         case DEMUX_SET_PAUSE_STATE:
1382         {
1383             int i;
1384
1385             b_bool = (bool)va_arg( args, int );
1386             if( p_sys->rtsp == NULL )
1387                 return VLC_EGENERIC;
1388
1389             /* FIXME */
1390             if( ( b_bool && !p_sys->rtsp->pauseMediaSession( *p_sys->ms ) ) ||
1391                     ( !b_bool && !p_sys->rtsp->playMediaSession( *p_sys->ms,
1392                        -1 ) ) )
1393             {
1394                     msg_Err( p_demux, "PLAY or PAUSE failed %s", p_sys->env->getResultMsg() );
1395                     return VLC_EGENERIC;
1396             }
1397
1398             /* When we Pause, we'll need the TimeoutPrevention thread to
1399              * handle sending the "Keep Alive" message to the server.
1400              * Unfortunately Live555 isn't thread safe and so can't
1401              * do this normally while the main Demux thread is handling
1402              * a live stream. We end up with the Timeout thread blocking
1403              * waiting for a response from the server. So when we PAUSE
1404              * we set a flag that the TimeoutPrevention function will check
1405              * and if it's set, it will trigger the GET_PARAMETER message */
1406             if( b_bool && p_sys->p_timeout != NULL )
1407                 p_sys->p_timeout->b_handle_keep_alive = true;
1408             else if( !b_bool && p_sys->p_timeout != NULL )
1409                 p_sys->p_timeout->b_handle_keep_alive = false;
1410
1411             for( i = 0; !b_bool && i < p_sys->i_track; i++ )
1412             {
1413                 live_track_t *tk = p_sys->track[i];
1414                 tk->b_rtcp_sync = false;
1415                 tk->i_pts = 0;
1416                 p_sys->i_pcr = 0;
1417                 es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
1418             }
1419
1420             /* Retrieve the starttime if possible */
1421             p_sys->i_npt_start = p_sys->ms->playStartTime();
1422
1423             /* Retrieve the duration if possible */
1424             p_sys->i_npt_length = p_sys->ms->playEndTime();
1425
1426             msg_Dbg( p_demux, "pause start: %f stop:%f", p_sys->i_npt_start, p_sys->i_npt_length );
1427             return VLC_SUCCESS;
1428         }
1429         case DEMUX_GET_TITLE_INFO:
1430         case DEMUX_SET_TITLE:
1431         case DEMUX_SET_SEEKPOINT:
1432             return VLC_EGENERIC;
1433
1434         case DEMUX_GET_PTS_DELAY:
1435             pi64 = (int64_t*)va_arg( args, int64_t * );
1436             *pi64 = (int64_t)var_GetInteger( p_demux, "rtsp-caching" ) * 1000;
1437             return VLC_SUCCESS;
1438
1439         default:
1440             return VLC_EGENERIC;
1441     }
1442 }
1443
1444 /*****************************************************************************
1445  * RollOverTcp: reopen the rtsp into TCP mode
1446  * XXX: ugly, a lot of code are duplicated from Open()
1447  * This should REALLY be fixed
1448  *****************************************************************************/
1449 static int RollOverTcp( demux_t *p_demux )
1450 {
1451     demux_sys_t *p_sys = p_demux->p_sys;
1452     int i, i_return;
1453
1454     var_SetBool( p_demux, "rtsp-tcp", true );
1455
1456     /* We close the old RTSP session */
1457     for( i = 0; i < p_sys->i_track; i++ )
1458     {
1459         live_track_t *tk = p_sys->track[i];
1460
1461         if( tk->b_muxed ) stream_Delete( tk->p_out_muxed );
1462         if( tk->p_es ) es_out_Del( p_demux->out, tk->p_es );
1463         es_format_Clean( &tk->fmt );
1464         free( tk->p_buffer );
1465         free( tk );
1466     }
1467     if( p_sys->i_track ) free( p_sys->track );
1468     if( p_sys->p_out_asf ) stream_Delete( p_sys->p_out_asf );
1469
1470     p_sys->rtsp->teardownMediaSession( *p_sys->ms );
1471     Medium::close( p_sys->ms );
1472     RTSPClient::close( p_sys->rtsp );
1473
1474     p_sys->ms = NULL;
1475     p_sys->rtsp = NULL;
1476     p_sys->track = NULL;
1477     p_sys->i_track = 0;
1478     p_sys->b_no_data = true;
1479     p_sys->i_no_data_ti = 0;
1480
1481     /* Reopen rtsp client */
1482     if( ( i_return = Connect( p_demux ) ) != VLC_SUCCESS )
1483     {
1484         msg_Err( p_demux, "Failed to connect with rtsp://%s",
1485                  p_sys->psz_path );
1486         goto error;
1487     }
1488
1489     if( p_sys->p_sdp == NULL )
1490     {
1491         msg_Err( p_demux, "Failed to retrieve the RTSP Session Description" );
1492         goto error;
1493     }
1494
1495     if( ( i_return = SessionsSetup( p_demux ) ) != VLC_SUCCESS )
1496     {
1497         msg_Err( p_demux, "Nothing to play for rtsp://%s", p_sys->psz_path );
1498         goto error;
1499     }
1500
1501     if( ( i_return = Play( p_demux ) ) != VLC_SUCCESS )
1502         goto error;
1503
1504     return VLC_SUCCESS;
1505
1506 error:
1507     return VLC_EGENERIC;
1508 }
1509
1510
1511 /*****************************************************************************
1512  *
1513  *****************************************************************************/
1514 static void StreamRead( void *p_private, unsigned int i_size,
1515                         unsigned int i_truncated_bytes, struct timeval pts,
1516                         unsigned int duration )
1517 {
1518     live_track_t   *tk = (live_track_t*)p_private;
1519     demux_t        *p_demux = tk->p_demux;
1520     demux_sys_t    *p_sys = p_demux->p_sys;
1521     block_t        *p_block;
1522
1523     //msg_Dbg( p_demux, "pts: %d", pts.tv_sec );
1524
1525     int64_t i_pts = (int64_t)pts.tv_sec * INT64_C(1000000) +
1526         (int64_t)pts.tv_usec;
1527
1528     /* XXX Beurk beurk beurk Avoid having negative value XXX */
1529     i_pts &= INT64_C(0x00ffffffffffffff);
1530
1531     /* Retrieve NPT for this pts */
1532     tk->i_npt = tk->sub->getNormalPlayTime(pts);
1533
1534     if( tk->b_quicktime && tk->p_es == NULL )
1535     {
1536         QuickTimeGenericRTPSource *qtRTPSource =
1537             (QuickTimeGenericRTPSource*)tk->sub->rtpSource();
1538         QuickTimeGenericRTPSource::QTState &qtState = qtRTPSource->qtState;
1539         uint8_t *sdAtom = (uint8_t*)&qtState.sdAtom[4];
1540
1541         if( tk->fmt.i_cat == VIDEO_ES ) {
1542             if( qtState.sdAtomSize < 16 + 32 )
1543             {
1544                 /* invalid */
1545                 p_sys->event = 0xff;
1546                 tk->waiting = 0;
1547                 return;
1548             }
1549             tk->fmt.i_codec = VLC_FOURCC(sdAtom[0],sdAtom[1],sdAtom[2],sdAtom[3]);
1550             tk->fmt.video.i_width  = (sdAtom[28] << 8) | sdAtom[29];
1551             tk->fmt.video.i_height = (sdAtom[30] << 8) | sdAtom[31];
1552
1553             if( tk->fmt.i_codec == VLC_FOURCC('a', 'v', 'c', '1') )
1554             {
1555                 uint8_t *pos = (uint8_t*)qtRTPSource->qtState.sdAtom + 86;
1556                 uint8_t *endpos = (uint8_t*)qtRTPSource->qtState.sdAtom
1557                                   + qtRTPSource->qtState.sdAtomSize;
1558                 while (pos+8 < endpos) {
1559                     unsigned int atomLength = pos[0]<<24 | pos[1]<<16 | pos[2]<<8 | pos[3];
1560                     if( atomLength == 0 || atomLength > (unsigned int)(endpos-pos)) break;
1561                     if( memcmp(pos+4, "avcC", 4) == 0 &&
1562                         atomLength > 8 &&
1563                         atomLength <= INT_MAX )
1564                     {
1565                         tk->fmt.i_extra = atomLength-8;
1566                         tk->fmt.p_extra = malloc( tk->fmt.i_extra );
1567                         memcpy(tk->fmt.p_extra, pos+8, atomLength-8);
1568                         break;
1569                     }
1570                     pos += atomLength;
1571                 }
1572             }
1573             else
1574             {
1575                 tk->fmt.i_extra        = qtState.sdAtomSize - 16;
1576                 tk->fmt.p_extra        = malloc( tk->fmt.i_extra );
1577                 memcpy( tk->fmt.p_extra, &sdAtom[12], tk->fmt.i_extra );
1578             }
1579         }
1580         else {
1581             if( qtState.sdAtomSize < 4 )
1582             {
1583                 /* invalid */
1584                 p_sys->event = 0xff;
1585                 tk->waiting = 0;
1586                 return;
1587             }
1588             tk->fmt.i_codec = VLC_FOURCC(sdAtom[0],sdAtom[1],sdAtom[2],sdAtom[3]);
1589         }
1590         tk->p_es = es_out_Add( p_demux->out, &tk->fmt );
1591     }
1592
1593 #if 0
1594     fprintf( stderr, "StreamRead size=%d pts=%lld\n",
1595              i_size,
1596              pts.tv_sec * 1000000LL + pts.tv_usec );
1597 #endif
1598
1599     /* grow buffer if it looks like buffer is too small, but don't eat
1600      * up all the memory on strange streams */
1601     if( i_truncated_bytes > 0 )
1602     {
1603         if( tk->i_buffer < 2000000 )
1604         {
1605             void *p_tmp;
1606             msg_Dbg( p_demux, "lost %d bytes", i_truncated_bytes );
1607             msg_Dbg( p_demux, "increasing buffer size to %d", tk->i_buffer * 2 );
1608             p_tmp = realloc( tk->p_buffer, tk->i_buffer * 2 );
1609             if( p_tmp == NULL )
1610             {
1611                 msg_Warn( p_demux, "realloc failed" );
1612             }
1613             else
1614             {
1615                 tk->p_buffer = (uint8_t*)p_tmp;
1616                 tk->i_buffer *= 2;
1617             }
1618         }
1619
1620         if( tk->b_discard_trunc )
1621         {
1622             p_sys->event = 0xff;
1623             tk->waiting = 0;
1624             return;
1625         }
1626     }
1627
1628     assert( i_size <= tk->i_buffer );
1629
1630     if( tk->fmt.i_codec == VLC_CODEC_AMR_NB ||
1631         tk->fmt.i_codec == VLC_CODEC_AMR_WB )
1632     {
1633         AMRAudioSource *amrSource = (AMRAudioSource*)tk->sub->readSource();
1634
1635         p_block = block_New( p_demux, i_size + 1 );
1636         p_block->p_buffer[0] = amrSource->lastFrameHeader();
1637         memcpy( p_block->p_buffer + 1, tk->p_buffer, i_size );
1638     }
1639     else if( tk->fmt.i_codec == VLC_CODEC_H261 )
1640     {
1641         H261VideoRTPSource *h261Source = (H261VideoRTPSource*)tk->sub->rtpSource();
1642         uint32_t header = h261Source->lastSpecialHeader();
1643         p_block = block_New( p_demux, i_size + 4 );
1644         memcpy( p_block->p_buffer, &header, 4 );
1645         memcpy( p_block->p_buffer + 4, tk->p_buffer, i_size );
1646
1647         if( tk->sub->rtpSource()->curPacketMarkerBit() )
1648             p_block->i_flags |= BLOCK_FLAG_END_OF_FRAME;
1649     }
1650     else if( tk->fmt.i_codec == VLC_CODEC_H264 )
1651     {
1652         if( (tk->p_buffer[0] & 0x1f) >= 24 )
1653             msg_Warn( p_demux, "unsupported NAL type for H264" );
1654
1655         /* Normal NAL type */
1656         p_block = block_New( p_demux, i_size + 4 );
1657         p_block->p_buffer[0] = 0x00;
1658         p_block->p_buffer[1] = 0x00;
1659         p_block->p_buffer[2] = 0x00;
1660         p_block->p_buffer[3] = 0x01;
1661         memcpy( &p_block->p_buffer[4], tk->p_buffer, i_size );
1662     }
1663     else if( tk->b_asf )
1664     {
1665         int i_copy = __MIN( p_sys->asfh.i_min_data_packet_size, (int)i_size );
1666         p_block = block_New( p_demux, p_sys->asfh.i_min_data_packet_size );
1667
1668         memcpy( p_block->p_buffer, tk->p_buffer, i_copy );
1669     }
1670     else
1671     {
1672         p_block = block_New( p_demux, i_size );
1673         memcpy( p_block->p_buffer, tk->p_buffer, i_size );
1674     }
1675
1676     if( p_sys->i_pcr < i_pts )
1677     {
1678         p_sys->i_pcr = i_pts;
1679     }
1680
1681     if( (i_pts != tk->i_pts) && (!tk->b_muxed) )
1682     {
1683         p_block->i_pts = i_pts;
1684     }
1685
1686     /* Update our global npt value */
1687     if( tk->i_npt > 0 && tk->i_npt > p_sys->i_npt && tk->i_npt < p_sys->i_npt_length)
1688         p_sys->i_npt = tk->i_npt;
1689
1690     if( !tk->b_muxed )
1691     {
1692         /*FIXME: for h264 you should check that packetization-mode=1 in sdp-file */
1693         p_block->i_dts = ( tk->fmt.i_codec == VLC_CODEC_MPGV ) ? 0 : i_pts;
1694     }
1695
1696     if( tk->b_muxed )
1697     {
1698         stream_DemuxSend( tk->p_out_muxed, p_block );
1699     }
1700     else if( tk->b_asf )
1701     {
1702         stream_DemuxSend( p_sys->p_out_asf, p_block );
1703     }
1704     else
1705     {
1706         es_out_Send( p_demux->out, tk->p_es, p_block );
1707     }
1708
1709     /* warn that's ok */
1710     p_sys->event = 0xff;
1711
1712     /* we have read data */
1713     tk->waiting = 0;
1714     p_demux->p_sys->b_no_data = false;
1715     p_demux->p_sys->i_no_data_ti = 0;
1716
1717     if( i_pts > 0 && !tk->b_muxed )
1718     {
1719         tk->i_pts = i_pts;
1720     }
1721 }
1722
1723 /*****************************************************************************
1724  *
1725  *****************************************************************************/
1726 static void StreamClose( void *p_private )
1727 {
1728     live_track_t   *tk = (live_track_t*)p_private;
1729     demux_t        *p_demux = tk->p_demux;
1730     demux_sys_t    *p_sys = p_demux->p_sys;
1731
1732     msg_Dbg( p_demux, "StreamClose" );
1733
1734     p_sys->event = 0xff;
1735     p_demux->b_error = true;
1736 }
1737
1738
1739 /*****************************************************************************
1740  *
1741  *****************************************************************************/
1742 static void TaskInterrupt( void *p_private )
1743 {
1744     demux_t *p_demux = (demux_t*)p_private;
1745
1746     p_demux->p_sys->i_no_data_ti++;
1747
1748     /* Avoid lock */
1749     p_demux->p_sys->event = 0xff;
1750 }
1751
1752 /*****************************************************************************
1753  *
1754  *****************************************************************************/
1755 static void* TimeoutPrevention( void *p_data )
1756 {
1757     timeout_thread_t *p_timeout = (timeout_thread_t *)p_data;
1758
1759     for( ;; )
1760     {
1761         /* Voodoo (= no) thread safety here! *Ahem* */
1762         if( p_timeout->b_handle_keep_alive )
1763         {
1764             char *psz_bye = NULL;
1765             int canc = vlc_savecancel ();
1766
1767             p_timeout->p_sys->rtsp->getMediaSessionParameter( *p_timeout->p_sys->ms, NULL, psz_bye );
1768             vlc_restorecancel (canc);
1769         }
1770         p_timeout->p_sys->b_timeout_call = !p_timeout->b_handle_keep_alive;
1771
1772         msleep (((int64_t)p_timeout->p_sys->i_timeout - 2) * CLOCK_FREQ);
1773     }
1774     assert(0); /* dead code */
1775 }
1776
1777 /*****************************************************************************
1778  *
1779  *****************************************************************************/
1780 static int ParseASF( demux_t *p_demux )
1781 {
1782     demux_sys_t    *p_sys = p_demux->p_sys;
1783
1784     const char *psz_marker = "a=pgmpu:data:application/vnd.ms.wms-hdr.asfv1;base64,";
1785     char *psz_asf = strcasestr( p_sys->p_sdp, psz_marker );
1786     char *psz_end;
1787     block_t *p_header;
1788
1789     /* Parse the asf header */
1790     if( psz_asf == NULL )
1791         return VLC_EGENERIC;
1792
1793     psz_asf += strlen( psz_marker );
1794     psz_asf = strdup( psz_asf );    /* Duplicate it */
1795     psz_end = strchr( psz_asf, '\n' );
1796
1797     while( psz_end > psz_asf && ( *psz_end == '\n' || *psz_end == '\r' ) )
1798         *psz_end-- = '\0';
1799
1800     if( psz_asf >= psz_end )
1801     {
1802         free( psz_asf );
1803         return VLC_EGENERIC;
1804     }
1805
1806     /* Always smaller */
1807     p_header = block_New( p_demux, psz_end - psz_asf );
1808     p_header->i_buffer = vlc_b64_decode_binary_to_buffer( p_header->p_buffer,
1809                                                p_header->i_buffer, psz_asf );
1810     //msg_Dbg( p_demux, "Size=%d Hdrb64=%s", p_header->i_buffer, psz_asf );
1811     if( p_header->i_buffer <= 0 )
1812     {
1813         free( psz_asf );
1814         return VLC_EGENERIC;
1815     }
1816
1817     /* Parse it to get packet size */
1818     asf_HeaderParse( &p_sys->asfh, p_header->p_buffer, p_header->i_buffer );
1819
1820     /* Send it to demuxer */
1821     stream_DemuxSend( p_sys->p_out_asf, p_header );
1822
1823     free( psz_asf );
1824     return VLC_SUCCESS;
1825 }
1826
1827
1828 static unsigned char* parseH264ConfigStr( char const* configStr,
1829                                           unsigned int& configSize )
1830 {
1831     char *dup, *psz;
1832     size_t i_records = 1;
1833
1834     configSize = 0;
1835
1836     if( configStr == NULL || *configStr == '\0' )
1837         return NULL;
1838
1839     psz = dup = strdup( configStr );
1840
1841     /* Count the number of commas */
1842     for( psz = dup; *psz != '\0'; ++psz )
1843     {
1844         if( *psz == ',')
1845         {
1846             ++i_records;
1847             *psz = '\0';
1848         }
1849     }
1850
1851     size_t configMax = 5*strlen(dup);
1852     unsigned char *cfg = new unsigned char[configMax];
1853     psz = dup;
1854     for( size_t i = 0; i < i_records; ++i )
1855     {
1856         cfg[configSize++] = 0x00;
1857         cfg[configSize++] = 0x00;
1858         cfg[configSize++] = 0x00;
1859         cfg[configSize++] = 0x01;
1860
1861         configSize += vlc_b64_decode_binary_to_buffer( cfg+configSize,
1862                                           configMax-configSize, psz );
1863         psz += strlen(psz)+1;
1864     }
1865
1866     free( dup );
1867     return cfg;
1868 }