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  *          Sébastien Escudier <sebastien-devel celeos eu>
  11  *
  12  * This program is free software; you can redistribute it and/or modify
  13  * it under the terms of the GNU General Public License as published by
  14  * the Free Software Foundation; either version 2 of the License, or
  15  * (at your option) any later version.
  16  *
  17  * This program is distributed in the hope that it will be useful,
  18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  * GNU General Public License for more details.
  21  *
  22  * You should have received a copy of the GNU General Public License along
  23  * with this program; if not, write to the Free Software Foundation, Inc.,
  24  * 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  25  *****************************************************************************/
  26
  27 /*****************************************************************************
  28  * Preamble
  29  *****************************************************************************/
  30
  31 /* For inttypes.h
  32  * Note: config.h may include inttypes.h, so make sure we define this option
  33  * early enough. */
  34 #define __STDC_CONSTANT_MACROS 1
  35
  36 #ifdef HAVE_CONFIG_H
  37 # include "config.h"
  38 #endif
  39
  40 #include <inttypes.h>
  41
  42 #include <vlc_common.h>
  43 #include <vlc_plugin.h>
  44 #include <vlc_input.h>
  45 #include <vlc_demux.h>
  46 #include <vlc_dialog.h>
  47 #include <vlc_url.h>
  48 #include <vlc_strings.h>
  49
  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 #include <liveMedia_version.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 WMSERVER_TEXT N_("WMServer RTSP dialect")
  87 #define WMSERVER_LONGTEXT N_("WMServer uses an unstandard dialect " \
  88     "of RTSP. Selecting this parameter will tell VLC to assume some " \
  89     "options contrary to RFC 2326 guidelines.")
  90
  91 #define USER_TEXT N_("RTSP user name")
  92 #define USER_LONGTEXT N_("Sets the username for the connection, " \
  93     "if no username or password are set in the url.")
  94 #define PASS_TEXT N_("RTSP password")
  95 #define PASS_LONGTEXT N_("Sets the password for the connection, " \
  96     "if no username or password are set in the url.")
  97
  98 vlc_module_begin ()
  99     set_description( N_("RTP/RTSP/SDP demuxer (using Live555)" ) )
 100     set_capability( "demux", 50 )
 101     set_shortname( "RTP/RTSP")
 102     set_callbacks( Open, Close )
 103     add_shortcut( "live", "livedotcom" )
 104     set_category( CAT_INPUT )
 105     set_subcategory( SUBCAT_INPUT_DEMUX )
 106
 107     add_submodule ()
 108         set_description( N_("RTSP/RTP access and demux") )
 109         add_shortcut( "rtsp", "pnm", "live", "livedotcom" )
 110         set_capability( "access_demux", 0 )
 111         set_callbacks( Open, Close )
 112         add_bool( "rtsp-tcp", false,
 113                   N_("Use RTP over RTSP (TCP)"),
 114                   N_("Use RTP over RTSP (TCP)"), true )
 115             change_safe()
 116         add_integer( "rtp-client-port", -1,
 117                   N_("Client port"),
 118                   N_("Port to use for the RTP source of the session"), true )
 119         add_bool( "rtsp-mcast", false,
 120                   N_("Force multicast RTP via RTSP"),
 121                   N_("Force multicast RTP via RTSP"), true )
 122             change_safe()
 123         add_bool( "rtsp-http", false,
 124                   N_("Tunnel RTSP and RTP over HTTP"),
 125                   N_("Tunnel RTSP and RTP over HTTP"), true )
 126             change_safe()
 127         add_integer( "rtsp-http-port", 80,
 128                   N_("HTTP tunnel port"),
 129                   N_("Port to use for tunneling the RTSP/RTP over HTTP."),
 130                   true )
 131         add_integer("rtsp-caching", 4 * DEFAULT_PTS_DELAY / 1000,
 132                     CACHING_TEXT, CACHING_LONGTEXT, true )
 133             change_safe()
 134         add_bool(   "rtsp-kasenna", false, KASENNA_TEXT,
 135                     KASENNA_LONGTEXT, true )
 136             change_safe()
 137         add_bool(   "rtsp-wmserver", false, WMSERVER_TEXT,
 138                     WMSERVER_LONGTEXT, true)
 139             change_safe()
 140         add_string( "rtsp-user", NULL, USER_TEXT,
 141                     USER_LONGTEXT, true )
 142             change_safe()
 143         add_password( "rtsp-pwd", NULL, PASS_TEXT,
 144                       PASS_LONGTEXT, true )
 145             change_safe()
 146 vlc_module_end ()
 147
 148
 149 /*****************************************************************************
 150  * Local prototypes
 151  *****************************************************************************/
 152
 153 typedef struct
 154 {
 155     demux_t         *p_demux;
 156     MediaSubsession *sub;
 157
 158     es_format_t     fmt;
 159     es_out_id_t     *p_es;
 160
 161     bool            b_muxed;
 162     bool            b_quicktime;
 163     bool            b_asf;
 164     block_t         *p_asf_block;
 165     bool            b_discard_trunc;
 166     stream_t        *p_out_muxed;    /* for muxed stream */
 167
 168     uint8_t         *p_buffer;
 169     unsigned int    i_buffer;
 170
 171     bool            b_rtcp_sync;
 172     char            waiting;
 173     int64_t         i_pts;
 174     float           i_npt;
 175
 176 } live_track_t;
 177
 178 struct timeout_thread_t
 179 {
 180     demux_sys_t  *p_sys;
 181     vlc_thread_t handle;
 182     bool         b_handle_keep_alive;
 183 };
 184
 185 class RTSPClientVlc;
 186
 187 struct demux_sys_t
 188 {
 189     char            *p_sdp;    /* XXX mallocated */
 190     char            *psz_path; /* URL-encoded path */
 191     vlc_url_t       url;
 192
 193     MediaSession     *ms;
 194     TaskScheduler    *scheduler;
 195     UsageEnvironment *env ;
 196     RTSPClientVlc    *rtsp;
 197
 198     /* */
 199     int              i_track;
 200     live_track_t     **track;   /* XXX mallocated */
 201
 202     /* Weird formats */
 203     asf_header_t     asfh;
 204     stream_t         *p_out_asf;
 205     bool             b_real;
 206
 207     /* */
 208     int64_t          i_pcr; /* The clock */
 209     float            i_npt;
 210     float            i_npt_length;
 211     float            i_npt_start;
 212
 213     /* timeout thread information */
 214     int              i_timeout;     /* session timeout value in seconds */
 215     bool             b_timeout_call;/* mark to send an RTSP call to prevent server timeout */
 216     timeout_thread_t *p_timeout;    /* the actual thread that makes sure we don't timeout */
 217
 218     /* */
 219     bool             b_force_mcast;
 220     bool             b_multicast;   /* if one of the tracks is multicasted */
 221     bool             b_no_data;     /* if we never received any data */
 222     int              i_no_data_ti;  /* consecutive number of TaskInterrupt */
 223
 224     char             event_rtsp;
 225     char             event_data;
 226
 227     bool             b_get_param;   /* Does the server support GET_PARAMETER */
 228     bool             b_paused;      /* Are we paused? */
 229     bool             b_error;
 230     int              i_live555_ret; /* live555 callback return code */
 231
 232     float            f_seek_request;/* In case we receive a seek request while paused*/
 233 };
 234
 235
 236 class RTSPClientVlc : public RTSPClient
 237 {
 238 public:
 239     RTSPClientVlc( UsageEnvironment& env, char const* rtspURL, int verbosityLevel,
 240                    char const* applicationName, portNumBits tunnelOverHTTPPortNum,
 241                    demux_sys_t *p_sys) :
 242                    RTSPClient( env, rtspURL, verbosityLevel, applicationName,
 243                    tunnelOverHTTPPortNum )
 244     {
 245         this->p_sys = p_sys;
 246     }
 247     demux_sys_t *p_sys;
 248 };
 249
 250 static int Demux  ( demux_t * );
 251 static int Control( demux_t *, int, va_list );
 252
 253 static int Connect      ( demux_t * );
 254 static int SessionsSetup( demux_t * );
 255 static int Play         ( demux_t *);
 256 static int ParseASF     ( demux_t * );
 257 static int RollOverTcp  ( demux_t * );
 258
 259 static void StreamRead  ( void *, unsigned int, unsigned int,
 260                           struct timeval, unsigned int );
 261 static void StreamClose ( void * );
 262 static void TaskInterruptData( void * );
 263 static void TaskInterruptRTSP( void * );
 264
 265 static void* TimeoutPrevention( void * );
 266
 267 static unsigned char* parseH264ConfigStr( char const* configStr,
 268                                           unsigned int& configSize );
 269
 270 /*****************************************************************************
 271  * DemuxOpen:
 272  *****************************************************************************/
 273 static int  Open ( vlc_object_t *p_this )
 274 {
 275     demux_t     *p_demux = (demux_t*)p_this;
 276     demux_sys_t *p_sys = NULL;
 277
 278     int i_return;
 279     int i_error = VLC_EGENERIC;
 280
 281     if( p_demux->s )
 282     {
 283         /* See if it looks like a SDP
 284            v, o, s fields are mandatory and in this order */
 285         const uint8_t *p_peek;
 286         if( stream_Peek( p_demux->s, &p_peek, 7 ) < 7 ) return VLC_EGENERIC;
 287
 288         if( memcmp( p_peek, "v=0\r\n", 5 ) &&
 289             memcmp( p_peek, "v=0\n", 4 ) &&
 290             ( p_peek[0] < 'a' || p_peek[0] > 'z' || p_peek[1] != '=' ) )
 291         {
 292             return VLC_EGENERIC;
 293         }
 294     }
 295     var_Create( p_demux, "rtsp-caching", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
 296
 297     p_demux->pf_demux  = Demux;
 298     p_demux->pf_control= Control;
 299     p_demux->p_sys     = p_sys = (demux_sys_t*)malloc( sizeof( demux_sys_t ) );
 300     if( !p_sys ) return VLC_ENOMEM;
 301
 302     msg_Dbg( p_demux, "version "LIVEMEDIA_LIBRARY_VERSION_STRING );
 303
 304     p_sys->p_sdp = NULL;
 305     p_sys->scheduler = NULL;
 306     p_sys->env = NULL;
 307     p_sys->ms = NULL;
 308     p_sys->rtsp = NULL;
 309     p_sys->i_track = 0;
 310     p_sys->track   = NULL;
 311     p_sys->i_pcr = 0;
 312     p_sys->i_npt = 0.;
 313     p_sys->i_npt_start = 0.;
 314     p_sys->i_npt_length = 0.;
 315     p_sys->p_out_asf = NULL;
 316     p_sys->b_no_data = true;
 317     p_sys->i_no_data_ti = 0;
 318     p_sys->p_timeout = NULL;
 319     p_sys->i_timeout = 0;
 320     p_sys->b_timeout_call = false;
 321     p_sys->b_multicast = false;
 322     p_sys->b_real = false;
 323     p_sys->psz_path = strdup( p_demux->psz_location );
 324     p_sys->b_force_mcast = var_InheritBool( p_demux, "rtsp-mcast" );
 325     p_sys->b_get_param = false;
 326     p_sys->b_paused = false;
 327     p_sys->f_seek_request = -1;
 328     p_sys->b_error = false;
 329     p_sys->i_live555_ret = 0;
 330
 331     /* parse URL for rtsp://[user:[passwd]@]serverip:port/options */
 332     vlc_UrlParse( &p_sys->url, p_sys->psz_path, 0 );
 333
 334     if( ( p_sys->scheduler = BasicTaskScheduler::createNew() ) == NULL )
 335     {
 336         msg_Err( p_demux, "BasicTaskScheduler::createNew failed" );
 337         goto error;
 338     }
 339     if( !( p_sys->env = BasicUsageEnvironment::createNew(*p_sys->scheduler) ) )
 340     {
 341         msg_Err( p_demux, "BasicUsageEnvironment::createNew failed" );
 342         goto error;
 343     }
 344
 345     if( strcasecmp( p_demux->psz_access, "sdp" ) )
 346     {
 347         char *p = p_sys->psz_path;
 348         while( (p = strchr( p, ' ' )) != NULL ) *p = '+';
 349     }
 350
 351     if( p_demux->s != NULL )
 352     {
 353         /* Gather the complete sdp file */
 354         int     i_sdp       = 0;
 355         int     i_sdp_max   = 1000;
 356         uint8_t *p_sdp      = (uint8_t*) malloc( i_sdp_max );
 357
 358         if( !p_sdp )
 359         {
 360             i_error = VLC_ENOMEM;
 361             goto error;
 362         }
 363
 364         for( ;; )
 365         {
 366             int i_read = stream_Read( p_demux->s, &p_sdp[i_sdp],
 367                                       i_sdp_max - i_sdp - 1 );
 368
 369             if( !vlc_object_alive (p_demux) )
 370             {
 371                 free( p_sdp );
 372                 goto error;
 373             }
 374
 375             if( i_read < 0 )
 376             {
 377                 msg_Err( p_demux, "failed to read SDP" );
 378                 free( p_sdp );
 379                 goto error;
 380             }
 381
 382             i_sdp += i_read;
 383
 384             if( i_read < i_sdp_max - i_sdp - 1 )
 385             {
 386                 p_sdp[i_sdp] = '\0';
 387                 break;
 388             }
 389
 390             i_sdp_max += 1000;
 391             p_sdp = (uint8_t*)xrealloc( p_sdp, i_sdp_max );
 392         }
 393         p_sys->p_sdp = (char*)p_sdp;
 394     }
 395     else if( ( i_return = Connect( p_demux ) ) != VLC_SUCCESS )
 396     {
 397         msg_Err( p_demux, "Failed to connect with rtsp://%s", p_sys->psz_path );
 398         goto error;
 399     }
 400
 401     if( p_sys->p_sdp == NULL )
 402     {
 403         msg_Err( p_demux, "Failed to retrieve the RTSP Session Description" );
 404         i_error = VLC_ENOMEM;
 405         goto error;
 406     }
 407
 408     if( ( i_return = SessionsSetup( p_demux ) ) != VLC_SUCCESS )
 409     {
 410         msg_Err( p_demux, "Nothing to play for rtsp://%s", p_sys->psz_path );
 411         goto error;
 412     }
 413
 414     if( p_sys->b_real ) goto error;
 415
 416     if( ( i_return = Play( p_demux ) ) != VLC_SUCCESS )
 417         goto error;
 418
 419     if( p_sys->p_out_asf && ParseASF( p_demux ) )
 420     {
 421         msg_Err( p_demux, "cannot find a usable asf header" );
 422         /* TODO Clean tracks */
 423         goto error;
 424     }
 425
 426     if( p_sys->i_track <= 0 )
 427         goto error;
 428
 429     return VLC_SUCCESS;
 430
 431 error:
 432     Close( p_this );
 433     return i_error;
 434 }
 435
 436 /*****************************************************************************
 437  * DemuxClose:
 438  *****************************************************************************/
 439 static void Close( vlc_object_t *p_this )
 440 {
 441     demux_t *p_demux = (demux_t*)p_this;
 442     demux_sys_t *p_sys = p_demux->p_sys;
 443
 444     if( p_sys->p_timeout )
 445     {
 446         vlc_cancel( p_sys->p_timeout->handle );
 447         vlc_join( p_sys->p_timeout->handle, NULL );
 448         free( p_sys->p_timeout );
 449     }
 450
 451     if( p_sys->rtsp && p_sys->ms ) p_sys->rtsp->sendTeardownCommand( *p_sys->ms, NULL );
 452     if( p_sys->ms ) Medium::close( p_sys->ms );
 453     if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp );
 454     if( p_sys->env ) p_sys->env->reclaim();
 455
 456     for( int i = 0; i < p_sys->i_track; i++ )
 457     {
 458         live_track_t *tk = p_sys->track[i];
 459
 460         if( tk->b_muxed ) stream_Delete( tk->p_out_muxed );
 461         es_format_Clean( &tk->fmt );
 462         free( tk->p_buffer );
 463         free( tk );
 464     }
 465
 466     if( p_sys->i_track ) free( p_sys->track );
 467     if( p_sys->p_out_asf ) stream_Delete( p_sys->p_out_asf );
 468     delete p_sys->scheduler;
 469     free( p_sys->p_sdp );
 470     free( p_sys->psz_path );
 471
 472     vlc_UrlClean( &p_sys->url );
 473
 474     free( p_sys );
 475 }
 476
 477 static inline const char *strempty( const char *s ) { return s?s:""; }
 478 static inline Boolean toBool( bool b ) { return b?True:False; } // silly, no?
 479
 480 static void default_live555_callback( RTSPClient* client, int result_code, char* result_string )
 481 {
 482     RTSPClientVlc *client_vlc = static_cast<RTSPClientVlc *> ( client );
 483     demux_sys_t *p_sys = client_vlc->p_sys;
 484     delete []result_string;
 485     p_sys->i_live555_ret = result_code;
 486     p_sys->b_error = p_sys->i_live555_ret != 0;
 487     p_sys->event_rtsp = 1;
 488 }
 489
 490 /* return true if the RTSP command succeeded */
 491 static bool wait_Live555_response( demux_t *p_demux, int i_timeout = 0 /* ms */ )
 492 {
 493     TaskToken task;
 494     demux_sys_t * p_sys = p_demux->p_sys;
 495     p_sys->event_rtsp = 0;
 496     if( i_timeout > 0 )
 497     {
 498         /* Create a task that will be called if we wait more than timeout ms */
 499         task = p_sys->scheduler->scheduleDelayedTask( i_timeout*1000,
 500                                                       TaskInterruptRTSP,
 501                                                       p_demux );
 502     }
 503     p_sys->event_rtsp = 0;
 504     p_sys->b_error = true;
 505     p_sys->i_live555_ret = 0;
 506     p_sys->scheduler->doEventLoop( &p_sys->event_rtsp );
 507     //here, if b_error is true and i_live555_ret = 0 we didn't receive a response
 508     if( i_timeout > 0 )
 509     {
 510         /* remove the task */
 511         p_sys->scheduler->unscheduleDelayedTask( task );
 512     }
 513     return !p_sys->b_error;
 514 }
 515
 516 static void continueAfterDESCRIBE( RTSPClient* client, int result_code,
 517                                    char* result_string )
 518 {
 519     RTSPClientVlc *client_vlc = static_cast<RTSPClientVlc *> ( client );
 520     demux_sys_t *p_sys = client_vlc->p_sys;
 521     p_sys->i_live555_ret = result_code;
 522     if ( result_code == 0 )
 523     {
 524         char* sdpDescription = result_string;
 525         free( p_sys->p_sdp );
 526         p_sys->p_sdp = NULL;
 527         if( sdpDescription )
 528         {
 529             p_sys->p_sdp = strdup( sdpDescription );
 530             p_sys->b_error = false;
 531         }
 532     }
 533     else
 534         p_sys->b_error = true;
 535     delete[] result_string;
 536     p_sys->event_rtsp = 1;
 537 }
 538
 539 static void continueAfterOPTIONS( RTSPClient* client, int result_code,
 540                                   char* result_string )
 541 {
 542     RTSPClientVlc *client_vlc = static_cast<RTSPClientVlc *> (client);
 543     demux_sys_t *p_sys = client_vlc->p_sys;
 544     p_sys->i_live555_ret = result_code;
 545     if ( result_code != 0 )
 546     {
 547         p_sys->b_error = true;
 548         p_sys->event_rtsp = 1;
 549     }
 550     else
 551     {
 552         p_sys->b_get_param = result_string != NULL && strstr( result_string, "GET_PARAMETER" ) != NULL;
 553         client->sendDescribeCommand( continueAfterDESCRIBE );
 554     }
 555     delete[] result_string;
 556 }
 557
 558 /*****************************************************************************
 559  * Connect: connects to the RTSP server to setup the session DESCRIBE
 560  *****************************************************************************/
 561 static int Connect( demux_t *p_demux )
 562 {
 563     demux_sys_t *p_sys = p_demux->p_sys;
 564     Authenticator authenticator;
 565     char *psz_user    = NULL;
 566     char *psz_pwd     = NULL;
 567     char *psz_url     = NULL;
 568     int  i_http_port  = 0;
 569     int  i_ret        = VLC_SUCCESS;
 570     const int i_timeout = var_InheritInteger( p_demux, "ipv4-timeout" );
 571
 572     /* Get the user name and password */
 573     if( p_sys->url.psz_username || p_sys->url.psz_password )
 574     {
 575         /* Create the URL by stripping away the username/password part */
 576         if( p_sys->url.i_port == 0 )
 577             p_sys->url.i_port = 554;
 578         if( asprintf( &psz_url, "rtsp://%s:%d%s",
 579                       strempty( p_sys->url.psz_host ),
 580                       p_sys->url.i_port,
 581                       strempty( p_sys->url.psz_path ) ) == -1 )
 582             return VLC_ENOMEM;
 583
 584         psz_user = strdup( strempty( p_sys->url.psz_username ) );
 585         psz_pwd  = strdup( strempty( p_sys->url.psz_password ) );
 586     }
 587     else
 588     {
 589         if( asprintf( &psz_url, "rtsp://%s", p_sys->psz_path ) == -1 )
 590             return VLC_ENOMEM;
 591
 592         psz_user = var_InheritString( p_demux, "rtsp-user" );
 593         psz_pwd  = var_InheritString( p_demux, "rtsp-pwd" );
 594     }
 595
 596 createnew:
 597     if( !vlc_object_alive (p_demux) )
 598     {
 599         i_ret = VLC_EGENERIC;
 600         goto bailout;
 601     }
 602
 603     if( var_InheritBool( p_demux, "rtsp-http" ) )
 604         i_http_port = var_InheritInteger( p_demux, "rtsp-http-port" );
 605
 606     p_sys->rtsp = new RTSPClientVlc( *p_sys->env, psz_url,
 607                                      var_InheritInteger( p_demux, "verbose" ) > 1 ? 1 : 0,
 608                                      "LibVLC/"VERSION, i_http_port, p_sys );
 609     if( !p_sys->rtsp )
 610     {
 611         msg_Err( p_demux, "RTSPClient::createNew failed (%s)",
 612                  p_sys->env->getResultMsg() );
 613         i_ret = VLC_EGENERIC;
 614         goto bailout;
 615     }
 616
 617     /* Kasenna enables KeepAlive by analysing the User-Agent string.
 618      * Appending _KA to the string should be enough to enable this feature,
 619      * however, there is a bug where the _KA doesn't get parsed from the
 620      * default User-Agent as created by VLC/Live555 code. This is probably due
 621      * to spaces in the string or the string being too long. Here we override
 622      * the default string with a more compact version.
 623      */
 624     if( var_InheritBool( p_demux, "rtsp-kasenna" ))
 625     {
 626         p_sys->rtsp->setUserAgentString( "VLC_MEDIA_PLAYER_KA" );
 627     }
 628
 629 describe:
 630     authenticator.setUsernameAndPassword( psz_user, psz_pwd );
 631
 632     p_sys->rtsp->sendOptionsCommand( &continueAfterOPTIONS, &authenticator );
 633
 634     if( !wait_Live555_response( p_demux, i_timeout ) )
 635     {
 636         int i_code = p_sys->i_live555_ret;
 637         if( i_code == 401 )
 638         {
 639             msg_Dbg( p_demux, "authentication failed" );
 640
 641             free( psz_user );
 642             free( psz_pwd );
 643             dialog_Login( p_demux, &psz_user, &psz_pwd,
 644                           _("RTSP authentication"), "%s",
 645                         _("Please enter a valid login name and a password.") );
 646             if( psz_user != NULL && psz_pwd != NULL )
 647             {
 648                 msg_Dbg( p_demux, "retrying with user=%s", psz_user );
 649                 goto describe;
 650             }
 651         }
 652         else if( i_code > 0 && i_code != 404 && !var_GetBool( p_demux, "rtsp-http" ) )
 653         {
 654             /* Perhaps a firewall is being annoying. Try HTTP tunneling mode */
 655             msg_Dbg( p_demux, "we will now try HTTP tunneling mode" );
 656             var_SetBool( p_demux, "rtsp-http", true );
 657             if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp );
 658             p_sys->rtsp = NULL;
 659             goto createnew;
 660         }
 661         else
 662         {
 663             if( i_code == 0 )
 664                 msg_Dbg( p_demux, "connection timeout" );
 665             else
 666                 msg_Dbg( p_demux, "connection error %d", i_code );
 667             if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp );
 668             p_sys->rtsp = NULL;
 669         }
 670         i_ret = VLC_EGENERIC;
 671     }
 672
 673 bailout:
 674     /* malloc-ated copy */
 675     free( psz_url );
 676     free( psz_user );
 677     free( psz_pwd );
 678
 679     return i_ret;
 680 }
 681
 682 /*****************************************************************************
 683  * SessionsSetup: prepares the subsessions and does the SETUP
 684  *****************************************************************************/
 685 static int SessionsSetup( demux_t *p_demux )
 686 {
 687     demux_sys_t             *p_sys  = p_demux->p_sys;
 688     MediaSubsessionIterator *iter   = NULL;
 689     MediaSubsession         *sub    = NULL;
 690
 691     bool           b_rtsp_tcp = false;
 692     int            i_client_port;
 693     int            i_return = VLC_SUCCESS;
 694     unsigned int   i_buffer = 0;
 695     unsigned const thresh = 200000; /* RTP reorder threshold .2 second (default .1) */
 696
 697     b_rtsp_tcp    = var_CreateGetBool( p_demux, "rtsp-tcp" ) ||
 698                     var_InheritBool( p_demux, "rtsp-http" );
 699     i_client_port = var_InheritInteger( p_demux, "rtp-client-port" );
 700
 701     /* Create the session from the SDP */
 702     if( !( p_sys->ms = MediaSession::createNew( *p_sys->env, p_sys->p_sdp ) ) )
 703     {
 704         msg_Err( p_demux, "Could not create the RTSP Session: %s",
 705             p_sys->env->getResultMsg() );
 706         return VLC_EGENERIC;
 707     }
 708
 709     /* Initialise each media subsession */
 710     iter = new MediaSubsessionIterator( *p_sys->ms );
 711     while( ( sub = iter->next() ) != NULL )
 712     {
 713         Boolean bInit;
 714         live_track_t *tk;
 715
 716         if( !vlc_object_alive (p_demux) )
 717         {
 718             delete iter;
 719             return VLC_EGENERIC;
 720         }
 721
 722         /* Value taken from mplayer */
 723         if( !strcmp( sub->mediumName(), "audio" ) )
 724             i_buffer = 100000;
 725         else if( !strcmp( sub->mediumName(), "video" ) )
 726             i_buffer = 2000000;
 727         else if( !strcmp( sub->mediumName(), "text" ) )
 728             ;
 729         else continue;
 730
 731         if( i_client_port != -1 )
 732         {
 733             sub->setClientPortNum( i_client_port );
 734             i_client_port += 2;
 735         }
 736
 737         if( strcasestr( sub->codecName(), "REAL" ) )
 738         {
 739             msg_Info( p_demux, "real codec detected, using real-RTSP instead" );
 740             p_sys->b_real = true; /* This is a problem, we'll handle it later */
 741             continue;
 742         }
 743
 744         if( !strcmp( sub->codecName(), "X-ASF-PF" ) )
 745             bInit = sub->initiate( 0 );
 746         else
 747             bInit = sub->initiate();
 748
 749         if( !bInit )
 750         {
 751             msg_Warn( p_demux, "RTP subsession '%s/%s' failed (%s)",
 752                       sub->mediumName(), sub->codecName(),
 753                       p_sys->env->getResultMsg() );
 754         }
 755         else
 756         {
 757             if( sub->rtpSource() != NULL )
 758             {
 759                 int fd = sub->rtpSource()->RTPgs()->socketNum();
 760
 761                 /* Increase the buffer size */
 762                 if( i_buffer > 0 )
 763                     increaseReceiveBufferTo( *p_sys->env, fd, i_buffer );
 764
 765                 /* Increase the RTP reorder timebuffer just a bit */
 766                 sub->rtpSource()->setPacketReorderingThresholdTime(thresh);
 767             }
 768             msg_Dbg( p_demux, "RTP subsession '%s/%s'", sub->mediumName(),
 769                      sub->codecName() );
 770
 771             /* Issue the SETUP */
 772             if( p_sys->rtsp )
 773             {
 774                 p_sys->rtsp->sendSetupCommand( *sub, default_live555_callback, False,
 775                                                toBool( b_rtsp_tcp ),
 776                                                toBool( p_sys->b_force_mcast && !b_rtsp_tcp ) );
 777                 if( !wait_Live555_response( p_demux ) )
 778                 {
 779                     /* if we get an unsupported transport error, toggle TCP
 780                      * use and try again */
 781                     if( p_sys->i_live555_ret == 461 )
 782                         p_sys->rtsp->sendSetupCommand( *sub, default_live555_callback, False,
 783                                                        !toBool( b_rtsp_tcp ), False );
 784                     if( p_sys->i_live555_ret != 461 || !wait_Live555_response( p_demux ) )
 785                     {
 786                         msg_Err( p_demux, "SETUP of'%s/%s' failed %s",
 787                                  sub->mediumName(), sub->codecName(),
 788                                  p_sys->env->getResultMsg() );
 789                         continue;
 790                     }
 791                 }
 792             }
 793
 794             /* Check if we will receive data from this subsession for
 795              * this track */
 796             if( sub->readSource() == NULL ) continue;
 797             if( !p_sys->b_multicast )
 798             {
 799                 /* We need different rollover behaviour for multicast */
 800                 p_sys->b_multicast = IsMulticastAddress( sub->connectionEndpointAddress() );
 801             }
 802
 803             tk = (live_track_t*)malloc( sizeof( live_track_t ) );
 804             if( !tk )
 805             {
 806                 delete iter;
 807                 return VLC_ENOMEM;
 808             }
 809             tk->p_demux     = p_demux;
 810             tk->sub         = sub;
 811             tk->p_es        = NULL;
 812             tk->b_quicktime = false;
 813             tk->b_asf       = false;
 814             tk->p_asf_block = NULL;
 815             tk->b_muxed     = false;
 816             tk->b_discard_trunc = false;
 817             tk->p_out_muxed = NULL;
 818             tk->waiting     = 0;
 819             tk->b_rtcp_sync = false;
 820             tk->i_pts       = VLC_TS_INVALID;
 821             tk->i_npt       = 0.;
 822             tk->i_buffer    = 65536;
 823             tk->p_buffer    = (uint8_t *)malloc( 65536 );
 824             if( !tk->p_buffer )
 825             {
 826                 free( tk );
 827                 delete iter;
 828                 return VLC_ENOMEM;
 829             }
 830
 831             /* Value taken from mplayer */
 832             if( !strcmp( sub->mediumName(), "audio" ) )
 833             {
 834                 es_format_Init( &tk->fmt, AUDIO_ES, VLC_FOURCC('u','n','d','f') );
 835                 tk->fmt.audio.i_channels = sub->numChannels();
 836                 tk->fmt.audio.i_rate = sub->rtpTimestampFrequency();
 837
 838                 if( !strcmp( sub->codecName(), "MPA" ) ||
 839                     !strcmp( sub->codecName(), "MPA-ROBUST" ) ||
 840                     !strcmp( sub->codecName(), "X-MP3-DRAFT-00" ) )
 841                 {
 842                     tk->fmt.i_codec = VLC_CODEC_MPGA;
 843                     tk->fmt.audio.i_rate = 0;
 844                 }
 845                 else if( !strcmp( sub->codecName(), "AC3" ) )
 846                 {
 847                     tk->fmt.i_codec = VLC_CODEC_A52;
 848                     tk->fmt.audio.i_rate = 0;
 849                 }
 850                 else if( !strcmp( sub->codecName(), "L16" ) )
 851                 {
 852                     tk->fmt.i_codec = VLC_CODEC_S16B;
 853                     tk->fmt.audio.i_bitspersample = 16;
 854                 }
 855                 else if( !strcmp( sub->codecName(), "L20" ) )
 856                 {
 857                     tk->fmt.i_codec = VLC_CODEC_S20B;
 858                     tk->fmt.audio.i_bitspersample = 20;
 859                 }
 860                 else if( !strcmp( sub->codecName(), "L24" ) )
 861                 {
 862                     tk->fmt.i_codec = VLC_CODEC_S24B;
 863                     tk->fmt.audio.i_bitspersample = 24;
 864                 }
 865                 else if( !strcmp( sub->codecName(), "L8" ) )
 866                 {
 867                     tk->fmt.i_codec = VLC_CODEC_U8;
 868                     tk->fmt.audio.i_bitspersample = 8;
 869                 }
 870                 else if( !strcmp( sub->codecName(), "DAT12" ) )
 871                 {
 872                     tk->fmt.i_codec = VLC_CODEC_DAT12;
 873                     tk->fmt.audio.i_bitspersample = 12;
 874                 }
 875                 else if( !strcmp( sub->codecName(), "PCMU" ) )
 876                 {
 877                     tk->fmt.i_codec = VLC_CODEC_MULAW;
 878                     tk->fmt.audio.i_bitspersample = 8;
 879                 }
 880                 else if( !strcmp( sub->codecName(), "PCMA" ) )
 881                 {
 882                     tk->fmt.i_codec = VLC_CODEC_ALAW;
 883                     tk->fmt.audio.i_bitspersample = 8;
 884                 }
 885                 else if( !strncmp( sub->codecName(), "G726", 4 ) )
 886                 {
 887                     tk->fmt.i_codec = VLC_CODEC_ADPCM_G726;
 888                     tk->fmt.audio.i_rate = 8000;
 889                     tk->fmt.audio.i_channels = 1;
 890                     if( !strcmp( sub->codecName()+5, "40" ) )
 891                         tk->fmt.i_bitrate = 40000;
 892                     else if( !strcmp( sub->codecName()+5, "32" ) )
 893                         tk->fmt.i_bitrate = 32000;
 894                     else if( !strcmp( sub->codecName()+5, "24" ) )
 895                         tk->fmt.i_bitrate = 24000;
 896                     else if( !strcmp( sub->codecName()+5, "16" ) )
 897                         tk->fmt.i_bitrate = 16000;
 898                 }
 899                 else if( !strcmp( sub->codecName(), "AMR" ) )
 900                 {
 901                     tk->fmt.i_codec = VLC_CODEC_AMR_NB;
 902                 }
 903                 else if( !strcmp( sub->codecName(), "AMR-WB" ) )
 904                 {
 905                     tk->fmt.i_codec = VLC_CODEC_AMR_WB;
 906                 }
 907                 else if( !strcmp( sub->codecName(), "MP4A-LATM" ) )
 908                 {
 909                     unsigned int i_extra;
 910                     uint8_t      *p_extra;
 911
 912                     tk->fmt.i_codec = VLC_CODEC_MP4A;
 913
 914                     if( ( p_extra = parseStreamMuxConfigStr( sub->fmtp_config(),
 915                                                              i_extra ) ) )
 916                     {
 917                         tk->fmt.i_extra = i_extra;
 918                         tk->fmt.p_extra = xmalloc( i_extra );
 919                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
 920                         delete[] p_extra;
 921                     }
 922                     /* Because the "faad" decoder does not handle the LATM
 923                      * data length field at the start of each returned LATM
 924                      * frame, tell the RTP source to omit it. */
 925                     ((MPEG4LATMAudioRTPSource*)sub->rtpSource())->omitLATMDataLengthField();
 926                 }
 927                 else if( !strcmp( sub->codecName(), "MPEG4-GENERIC" ) )
 928                 {
 929                     unsigned int i_extra;
 930                     uint8_t      *p_extra;
 931
 932                     tk->fmt.i_codec = VLC_CODEC_MP4A;
 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 = xmalloc( 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-ASF-PF" ) )
 944                 {
 945                     tk->b_asf = true;
 946                     if( p_sys->p_out_asf == NULL )
 947                         p_sys->p_out_asf = stream_DemuxNew( p_demux, "asf",
 948                                                             p_demux->out );
 949                 }
 950                 else if( !strcmp( sub->codecName(), "X-QT" ) ||
 951                          !strcmp( sub->codecName(), "X-QUICKTIME" ) )
 952                 {
 953                     tk->b_quicktime = true;
 954                 }
 955                 else if( !strcmp( sub->codecName(), "SPEEX" ) )
 956                 {
 957                     tk->fmt.i_codec = VLC_FOURCC( 's', 'p', 'x', 'r' );
 958                     if ( sub->rtpTimestampFrequency() )
 959                         tk->fmt.audio.i_rate = sub->rtpTimestampFrequency();
 960                     else
 961                     {
 962                         msg_Warn( p_demux,"Using 8kHz as default sample rate." );
 963                         tk->fmt.audio.i_rate = 8000;
 964                     }
 965                 }
 966             }
 967             else if( !strcmp( sub->mediumName(), "video" ) )
 968             {
 969                 es_format_Init( &tk->fmt, VIDEO_ES, VLC_FOURCC('u','n','d','f') );
 970                 if( !strcmp( sub->codecName(), "MPV" ) )
 971                 {
 972                     tk->fmt.i_codec = VLC_CODEC_MPGV;
 973                     tk->fmt.b_packetized = false;
 974                 }
 975                 else if( !strcmp( sub->codecName(), "H263" ) ||
 976                          !strcmp( sub->codecName(), "H263-1998" ) ||
 977                          !strcmp( sub->codecName(), "H263-2000" ) )
 978                 {
 979                     tk->fmt.i_codec = VLC_CODEC_H263;
 980                 }
 981                 else if( !strcmp( sub->codecName(), "H261" ) )
 982                 {
 983                     tk->fmt.i_codec = VLC_CODEC_H261;
 984                 }
 985                 else if( !strcmp( sub->codecName(), "H264" ) )
 986                 {
 987                     unsigned int i_extra = 0;
 988                     uint8_t      *p_extra = NULL;
 989
 990                     tk->fmt.i_codec = VLC_CODEC_H264;
 991                     tk->fmt.b_packetized = false;
 992
 993                     if((p_extra=parseH264ConfigStr( sub->fmtp_spropparametersets(),
 994                                                     i_extra ) ) )
 995                     {
 996                         tk->fmt.i_extra = i_extra;
 997                         tk->fmt.p_extra = xmalloc( i_extra );
 998                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
 999
1000                         delete[] p_extra;
1001                     }
1002                 }
1003                 else if( !strcmp( sub->codecName(), "JPEG" ) )
1004                 {
1005                     tk->fmt.i_codec = VLC_CODEC_MJPG;
1006                 }
1007                 else if( !strcmp( sub->codecName(), "MP4V-ES" ) )
1008                 {
1009                     unsigned int i_extra;
1010                     uint8_t      *p_extra;
1011
1012                     tk->fmt.i_codec = VLC_CODEC_MP4V;
1013
1014                     if( ( p_extra = parseGeneralConfigStr( sub->fmtp_config(),
1015                                                            i_extra ) ) )
1016                     {
1017                         tk->fmt.i_extra = i_extra;
1018                         tk->fmt.p_extra = xmalloc( i_extra );
1019                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
1020                         delete[] p_extra;
1021                     }
1022                 }
1023                 else if( !strcmp( sub->codecName(), "X-QT" ) ||
1024                          !strcmp( sub->codecName(), "X-QUICKTIME" ) ||
1025                          !strcmp( sub->codecName(), "X-QDM" ) ||
1026                          !strcmp( sub->codecName(), "X-SV3V-ES" )  ||
1027                          !strcmp( sub->codecName(), "X-SORENSONVIDEO" ) )
1028                 {
1029                     tk->b_quicktime = true;
1030                 }
1031                 else if( !strcmp( sub->codecName(), "MP2T" ) )
1032                 {
1033                     tk->b_muxed = true;
1034                     tk->p_out_muxed = stream_DemuxNew( p_demux, "ts", p_demux->out );
1035                 }
1036                 else if( !strcmp( sub->codecName(), "MP2P" ) ||
1037                          !strcmp( sub->codecName(), "MP1S" ) )
1038                 {
1039                     tk->b_muxed = true;
1040                     tk->p_out_muxed = stream_DemuxNew( p_demux, "ps",
1041                                                        p_demux->out );
1042                 }
1043                 else if( !strcmp( sub->codecName(), "X-ASF-PF" ) )
1044                 {
1045                     tk->b_asf = true;
1046                     if( p_sys->p_out_asf == NULL )
1047                         p_sys->p_out_asf = stream_DemuxNew( p_demux, "asf",
1048                                                             p_demux->out );;
1049                 }
1050                 else if( !strcmp( sub->codecName(), "DV" ) )
1051                 {
1052                     tk->b_muxed = true;
1053                     tk->b_discard_trunc = true;
1054                     tk->p_out_muxed = stream_DemuxNew( p_demux, "rawdv",
1055                                                        p_demux->out );
1056                 }
1057             }
1058             else if( !strcmp( sub->mediumName(), "text" ) )
1059             {
1060                 es_format_Init( &tk->fmt, SPU_ES, VLC_FOURCC('u','n','d','f') );
1061
1062                 if( !strcmp( sub->codecName(), "T140" ) )
1063                 {
1064                     tk->fmt.i_codec = VLC_CODEC_ITU_T140;
1065                 }
1066             }
1067
1068             if( !tk->b_quicktime && !tk->b_muxed && !tk->b_asf )
1069             {
1070                 tk->p_es = es_out_Add( p_demux->out, &tk->fmt );
1071             }
1072
1073             if( sub->rtcpInstance() != NULL )
1074             {
1075                 sub->rtcpInstance()->setByeHandler( StreamClose, tk );
1076             }
1077
1078             if( tk->p_es || tk->b_quicktime || ( tk->b_muxed && tk->p_out_muxed ) ||
1079                 ( tk->b_asf && p_sys->p_out_asf ) )
1080             {
1081                 /* Append */
1082                 p_sys->track = (live_track_t**)xrealloc( p_sys->track,
1083                             sizeof( live_track_t ) * ( p_sys->i_track + 1 ) );
1084                 p_sys->track[p_sys->i_track++] = tk;
1085             }
1086             else
1087             {
1088                 /* BUG ??? */
1089                 msg_Err( p_demux, "unusable RTSP track. this should not happen" );
1090                 es_format_Clean( &tk->fmt );
1091                 free( tk );
1092             }
1093         }
1094     }
1095     delete iter;
1096     if( p_sys->i_track <= 0 ) i_return = VLC_EGENERIC;
1097
1098     /* Retrieve the starttime if possible */
1099     p_sys->i_npt_start = p_sys->ms->playStartTime();
1100
1101     /* Retrieve the duration if possible */
1102     p_sys->i_npt_length = p_sys->ms->playEndTime();
1103
1104     /* */
1105     msg_Dbg( p_demux, "setup start: %f stop:%f", p_sys->i_npt_start, p_sys->i_npt_length );
1106
1107     /* */
1108     p_sys->b_no_data = true;
1109     p_sys->i_no_data_ti = 0;
1110
1111     return i_return;
1112 }
1113
1114 /*****************************************************************************
1115  * Play: starts the actual playback of the stream
1116  *****************************************************************************/
1117 static int Play( demux_t *p_demux )
1118 {
1119     demux_sys_t *p_sys = p_demux->p_sys;
1120
1121     if( p_sys->rtsp )
1122     {
1123         /* The PLAY */
1124         p_sys->rtsp->sendPlayCommand( *p_sys->ms, default_live555_callback, p_sys->i_npt_start, -1, 1 );
1125
1126         if( !wait_Live555_response(p_demux) )
1127         {
1128             msg_Err( p_demux, "RTSP PLAY failed %s", p_sys->env->getResultMsg() );
1129             return VLC_EGENERIC;
1130         }
1131
1132         /* Retrieve the timeout value and set up a timeout prevention thread */
1133         p_sys->i_timeout = p_sys->rtsp->sessionTimeoutParameter();
1134         if( p_sys->i_timeout <= 0 )
1135             p_sys->i_timeout = 60; /* default value from RFC2326 */
1136
1137         /* start timeout-thread only if GET_PARAMETER is supported by the server */
1138         if( !p_sys->p_timeout && p_sys->b_get_param )
1139         {
1140             msg_Dbg( p_demux, "We have a timeout of %d seconds",  p_sys->i_timeout );
1141             p_sys->p_timeout = (timeout_thread_t *)malloc( sizeof(timeout_thread_t) );
1142             if( p_sys->p_timeout )
1143             {
1144                 memset( p_sys->p_timeout, 0, sizeof(timeout_thread_t) );
1145                 p_sys->p_timeout->p_sys = p_demux->p_sys; /* lol, object recursion :D */
1146                 if( vlc_clone( &p_sys->p_timeout->handle,  TimeoutPrevention,
1147                                p_sys->p_timeout, VLC_THREAD_PRIORITY_LOW ) )
1148                 {
1149                     msg_Err( p_demux, "cannot spawn liveMedia timeout thread" );
1150                     free( p_sys->p_timeout );
1151                     p_sys->p_timeout = NULL;
1152                 }
1153                 else
1154                     msg_Dbg( p_demux, "spawned timeout thread" );
1155             }
1156             else
1157                 msg_Err( p_demux, "cannot spawn liveMedia timeout thread" );
1158         }
1159     }
1160     p_sys->i_pcr = 0;
1161
1162     /* Retrieve the starttime if possible */
1163     p_sys->i_npt_start = p_sys->ms->playStartTime();
1164     if( p_sys->ms->playEndTime() > 0 )
1165         p_sys->i_npt_length = p_sys->ms->playEndTime();
1166
1167     msg_Dbg( p_demux, "play start: %f stop:%f", p_sys->i_npt_start, p_sys->i_npt_length );
1168     return VLC_SUCCESS;
1169 }
1170
1171
1172 /*****************************************************************************
1173  * Demux:
1174  *****************************************************************************/
1175 static int Demux( demux_t *p_demux )
1176 {
1177     demux_sys_t    *p_sys = p_demux->p_sys;
1178     TaskToken      task;
1179
1180     bool            b_send_pcr = true;
1181     int64_t         i_pcr = 0;
1182     int             i;
1183
1184     /* Check if we need to send the server a Keep-A-Live signal */
1185     if( p_sys->b_timeout_call && p_sys->rtsp && p_sys->ms )
1186     {
1187         char *psz_bye = NULL;
1188         p_sys->rtsp->sendGetParameterCommand( *p_sys->ms, NULL, psz_bye );
1189         p_sys->b_timeout_call = false;
1190     }
1191
1192     for( i = 0; i < p_sys->i_track; i++ )
1193     {
1194         live_track_t *tk = p_sys->track[i];
1195
1196         if( tk->b_asf || tk->b_muxed )
1197             b_send_pcr = false;
1198 #if 0
1199         if( i_pcr == 0 )
1200         {
1201             i_pcr = tk->i_pts;
1202         }
1203         else if( tk->i_pts != 0 && i_pcr > tk->i_pts )
1204         {
1205             i_pcr = tk->i_pts ;
1206         }
1207 #endif
1208     }
1209     if( p_sys->i_pcr > 0 )
1210     {
1211         if( b_send_pcr )
1212             es_out_Control( p_demux->out, ES_OUT_SET_PCR, 1 + p_sys->i_pcr );
1213     }
1214
1215     /* First warn we want to read data */
1216     p_sys->event_data = 0;
1217     for( i = 0; i < p_sys->i_track; i++ )
1218     {
1219         live_track_t *tk = p_sys->track[i];
1220
1221         if( tk->waiting == 0 )
1222         {
1223             tk->waiting = 1;
1224             tk->sub->readSource()->getNextFrame( tk->p_buffer, tk->i_buffer,
1225                                           StreamRead, tk, StreamClose, tk );
1226         }
1227     }
1228     /* Create a task that will be called if we wait more than 300ms */
1229     task = p_sys->scheduler->scheduleDelayedTask( 300000, TaskInterruptData, p_demux );
1230
1231     /* Do the read */
1232     p_sys->scheduler->doEventLoop( &p_sys->event_data );
1233
1234     /* remove the task */
1235     p_sys->scheduler->unscheduleDelayedTask( task );
1236
1237     /* Check for gap in pts value */
1238     for( i = 0; i < p_sys->i_track; i++ )
1239     {
1240         live_track_t *tk = p_sys->track[i];
1241
1242         if( !tk->b_muxed && !tk->b_rtcp_sync &&
1243             tk->sub->rtpSource() && tk->sub->rtpSource()->hasBeenSynchronizedUsingRTCP() )
1244         {
1245             msg_Dbg( p_demux, "tk->rtpSource->hasBeenSynchronizedUsingRTCP()" );
1246
1247             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
1248             tk->b_rtcp_sync = true;
1249             /* reset PCR */
1250             tk->i_pts = VLC_TS_INVALID;
1251             tk->i_npt = 0.;
1252             p_sys->i_pcr = 0;
1253             p_sys->i_npt = 0.;
1254             i_pcr = 0;
1255         }
1256     }
1257
1258     if( p_sys->b_multicast && p_sys->b_no_data &&
1259         ( p_sys->i_no_data_ti > 120 ) )
1260     {
1261         /* FIXME Make this configurable
1262         msg_Err( p_demux, "no multicast data received in 36s, aborting" );
1263         return 0;
1264         */
1265     }
1266     else if( !p_sys->b_multicast && !p_sys->b_paused &&
1267               p_sys->b_no_data && ( p_sys->i_no_data_ti > 34 ) )
1268     {
1269         bool b_rtsp_tcp = var_GetBool( p_demux, "rtsp-tcp" ) ||
1270                                 var_GetBool( p_demux, "rtsp-http" );
1271
1272         if( !b_rtsp_tcp && p_sys->rtsp && p_sys->ms )
1273         {
1274             msg_Warn( p_demux, "no data received in 10s. Switching to TCP" );
1275             if( RollOverTcp( p_demux ) )
1276             {
1277                 msg_Err( p_demux, "TCP rollover failed, aborting" );
1278                 return 0;
1279             }
1280             return 1;
1281         }
1282         msg_Err( p_demux, "no data received in 10s, aborting" );
1283         return 0;
1284     }
1285     else if( !p_sys->b_multicast && !p_sys->b_paused &&
1286              ( p_sys->i_no_data_ti > 34 ) )
1287     {
1288         /* EOF ? */
1289         msg_Warn( p_demux, "no data received in 10s, eof ?" );
1290         return 0;
1291     }
1292     return p_sys->b_error ? 0 : 1;
1293 }
1294
1295 /*****************************************************************************
1296  * Control:
1297  *****************************************************************************/
1298 static int Control( demux_t *p_demux, int i_query, va_list args )
1299 {
1300     demux_sys_t *p_sys = p_demux->p_sys;
1301     int64_t *pi64, i64;
1302     double  *pf, f;
1303     bool *pb, *pb2;
1304     int *pi_int;
1305
1306     switch( i_query )
1307     {
1308         case DEMUX_GET_TIME:
1309             pi64 = (int64_t*)va_arg( args, int64_t * );
1310             if( p_sys->i_npt > 0 )
1311             {
1312                 *pi64 = (int64_t)(p_sys->i_npt * 1000000.);
1313                 return VLC_SUCCESS;
1314             }
1315             return VLC_EGENERIC;
1316
1317         case DEMUX_GET_LENGTH:
1318             pi64 = (int64_t*)va_arg( args, int64_t * );
1319             if( p_sys->i_npt_length > 0 )
1320             {
1321                 *pi64 = (int64_t)((double)p_sys->i_npt_length * 1000000.0);
1322                 return VLC_SUCCESS;
1323             }
1324             return VLC_EGENERIC;
1325
1326         case DEMUX_GET_POSITION:
1327             pf = (double*)va_arg( args, double* );
1328             if( (p_sys->i_npt_length > 0) && (p_sys->i_npt > 0) )
1329             {
1330                 *pf = ( (double)p_sys->i_npt / (double)p_sys->i_npt_length );
1331                 return VLC_SUCCESS;
1332             }
1333             return VLC_EGENERIC;
1334
1335         case DEMUX_SET_POSITION:
1336         case DEMUX_SET_TIME:
1337             if( p_sys->rtsp && (p_sys->i_npt_length > 0) )
1338             {
1339                 int i;
1340                 float time;
1341
1342                 if( (i_query == DEMUX_SET_TIME) && (p_sys->i_npt > 0) )
1343                 {
1344                     i64 = (int64_t)va_arg( args, int64_t );
1345                     time = (float)((double)i64 / (double)1000000.0); /* in second */
1346                 }
1347                 else if( i_query == DEMUX_SET_TIME )
1348                     return VLC_EGENERIC;
1349                 else
1350                 {
1351                     f = (double)va_arg( args, double );
1352                     time = f * (double)p_sys->i_npt_length;   /* in second */
1353                 }
1354
1355                 if( p_sys->b_paused )
1356                 {
1357                     p_sys->f_seek_request = time;
1358                     return VLC_SUCCESS;
1359                 }
1360
1361                 p_sys->rtsp->sendPauseCommand( *p_sys->ms, default_live555_callback );
1362
1363                 if( !wait_Live555_response( p_demux ) )
1364                 {
1365                     msg_Err( p_demux, "PAUSE before seek failed %s",
1366                         p_sys->env->getResultMsg() );
1367                     return VLC_EGENERIC;
1368                 }
1369
1370                 p_sys->rtsp->sendPlayCommand( *p_sys->ms, default_live555_callback, time, -1, 1 );
1371
1372                 if( !wait_Live555_response( p_demux ) )
1373                 {
1374                     msg_Err( p_demux, "seek PLAY failed %s",
1375                         p_sys->env->getResultMsg() );
1376                     return VLC_EGENERIC;
1377                 }
1378                 p_sys->i_pcr = 0;
1379
1380                 /* Retrieve RTP-Info values */
1381                 for( i = 0; i < p_sys->i_track; i++ )
1382                 {
1383                     p_sys->track[i]->b_rtcp_sync = false;
1384                     p_sys->track[i]->i_pts = VLC_TS_INVALID;
1385                 }
1386
1387                 /* Retrieve the starttime if possible */
1388                 p_sys->i_npt = p_sys->i_npt_start = p_sys->ms->playStartTime();
1389
1390                 /* Retrieve the duration if possible */
1391                 if( p_sys->ms->playEndTime() > 0 )
1392                     p_sys->i_npt_length = p_sys->ms->playEndTime();
1393
1394                 msg_Dbg( p_demux, "seek start: %f stop:%f", p_sys->i_npt_start, p_sys->i_npt_length );
1395                 return VLC_SUCCESS;
1396             }
1397             return VLC_EGENERIC;
1398
1399         /* Special for access_demux */
1400         case DEMUX_CAN_PAUSE:
1401         case DEMUX_CAN_SEEK:
1402             pb = (bool*)va_arg( args, bool * );
1403             if( p_sys->rtsp && p_sys->i_npt_length > 0 )
1404                 /* Not always true, but will be handled in SET_PAUSE_STATE */
1405                 *pb = true;
1406             else
1407                 *pb = false;
1408             return VLC_SUCCESS;
1409
1410         case DEMUX_CAN_CONTROL_PACE:
1411             pb = (bool*)va_arg( args, bool * );
1412
1413 #if 1       /* Disable for now until we have a clock synchro algo
1414              * which works with something else than MPEG over UDP */
1415             *pb = false;
1416 #else
1417             *pb = true;
1418 #endif
1419             return VLC_SUCCESS;
1420
1421         case DEMUX_CAN_CONTROL_RATE:
1422             pb = (bool*)va_arg( args, bool * );
1423             pb2 = (bool*)va_arg( args, bool * );
1424
1425             *pb = (p_sys->rtsp != NULL) &&
1426                     (p_sys->i_npt_length > 0) &&
1427                     ( !var_GetBool( p_demux, "rtsp-kasenna" ) ||
1428                       !var_GetBool( p_demux, "rtsp-wmserver" ) );
1429             *pb2 = false;
1430             return VLC_SUCCESS;
1431
1432         case DEMUX_SET_RATE:
1433         {
1434             double f_scale, f_old_scale;
1435
1436             if( !p_sys->rtsp || (p_sys->i_npt_length <= 0) ||
1437                 var_GetBool( p_demux, "rtsp-kasenna" ) ||
1438                 var_GetBool( p_demux, "rtsp-wmserver" ) )
1439                 return VLC_EGENERIC;
1440
1441             /* According to RFC 2326 p56 chapter 12.35 a RTSP server that
1442              * supports Scale:
1443              *
1444              * "[...] should try to approximate the viewing rate, but
1445              *  may restrict the range of scale values that it supports.
1446              *  The response MUST contain the actual scale value chosen
1447              *  by the server."
1448              *
1449              * Scale = 1 indicates normal play
1450              * Scale > 1 indicates fast forward
1451              * Scale < 1 && Scale > 0 indicates slow motion
1452              * Scale < 0 value indicates rewind
1453              */
1454
1455             pi_int = (int*)va_arg( args, int * );
1456             f_scale = (double)INPUT_RATE_DEFAULT / (*pi_int);
1457             f_old_scale = p_sys->ms->scale();
1458
1459             /* Passing -1 for the start and end time will mean liveMedia won't
1460              * create a Range: section for the RTSP message. The server should
1461              * pick up from the current position */
1462             p_sys->rtsp->sendPlayCommand( *p_sys->ms, default_live555_callback, -1, -1, f_scale );
1463
1464             if( !wait_Live555_response( p_demux ) )
1465             {
1466                 msg_Err( p_demux, "PLAY with Scale %0.2f failed %s", f_scale,
1467                         p_sys->env->getResultMsg() );
1468                 return VLC_EGENERIC;
1469             }
1470
1471             if( p_sys->ms->scale() == f_old_scale )
1472             {
1473                 msg_Err( p_demux, "no scale change using old Scale %0.2f",
1474                           p_sys->ms->scale() );
1475                 return VLC_EGENERIC;
1476             }
1477
1478             /* ReSync the stream */
1479             p_sys->i_npt_start = 0;
1480             p_sys->i_pcr = 0;
1481             p_sys->i_npt = 0.0;
1482
1483             *pi_int = (int)( INPUT_RATE_DEFAULT / p_sys->ms->scale() );
1484             msg_Dbg( p_demux, "PLAY with new Scale %0.2f (%d)", p_sys->ms->scale(), (*pi_int) );
1485             return VLC_SUCCESS;
1486         }
1487
1488         case DEMUX_SET_PAUSE_STATE:
1489         {
1490             bool b_pause = (bool)va_arg( args, int );
1491             if( p_sys->rtsp == NULL )
1492                 return VLC_EGENERIC;
1493
1494             if( b_pause == p_sys->b_paused )
1495                 return VLC_SUCCESS;
1496             if( b_pause )
1497                 p_sys->rtsp->sendPauseCommand( *p_sys->ms, default_live555_callback );
1498             else
1499                 p_sys->rtsp->sendPlayCommand( *p_sys->ms, default_live555_callback, p_sys->f_seek_request,
1500                                               -1.0f, p_sys->ms->scale() );
1501
1502             if( !wait_Live555_response( p_demux ) )
1503             {
1504                 msg_Err( p_demux, "PLAY or PAUSE failed %s", p_sys->env->getResultMsg() );
1505                 return VLC_EGENERIC;
1506             }
1507             p_sys->f_seek_request = -1;
1508             p_sys->b_paused = b_pause;
1509
1510             /* When we Pause, we'll need the TimeoutPrevention thread to
1511              * handle sending the "Keep Alive" message to the server.
1512              * Unfortunately Live555 isn't thread safe and so can't
1513              * do this normally while the main Demux thread is handling
1514              * a live stream. We end up with the Timeout thread blocking
1515              * waiting for a response from the server. So when we PAUSE
1516              * we set a flag that the TimeoutPrevention function will check
1517              * and if it's set, it will trigger the GET_PARAMETER message */
1518             if( p_sys->b_paused && p_sys->p_timeout != NULL )
1519                 p_sys->p_timeout->b_handle_keep_alive = true;
1520             else if( !p_sys->b_paused && p_sys->p_timeout != NULL )
1521                 p_sys->p_timeout->b_handle_keep_alive = false;
1522
1523             if( !p_sys->b_paused )
1524             {
1525                 for( int i = 0; i < p_sys->i_track; i++ )
1526                 {
1527                     live_track_t *tk = p_sys->track[i];
1528                     tk->b_rtcp_sync = false;
1529                     tk->i_pts = VLC_TS_INVALID;
1530                     p_sys->i_pcr = 0;
1531                     es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
1532                 }
1533             }
1534
1535             /* Reset data received counter */
1536             p_sys->i_no_data_ti = 0;
1537
1538             /* Retrieve the starttime if possible */
1539             p_sys->i_npt_start = p_sys->ms->playStartTime();
1540
1541             /* Retrieve the duration if possible */
1542             if( p_sys->ms->playEndTime() )
1543                 p_sys->i_npt_length = p_sys->ms->playEndTime();
1544
1545             msg_Dbg( p_demux, "pause start: %f stop:%f", p_sys->i_npt_start, p_sys->i_npt_length );
1546             return VLC_SUCCESS;
1547         }
1548         case DEMUX_GET_TITLE_INFO:
1549         case DEMUX_SET_TITLE:
1550         case DEMUX_SET_SEEKPOINT:
1551             return VLC_EGENERIC;
1552
1553         case DEMUX_GET_PTS_DELAY:
1554             pi64 = (int64_t*)va_arg( args, int64_t * );
1555             *pi64 = var_GetInteger( p_demux, "rtsp-caching" ) * 1000;
1556             return VLC_SUCCESS;
1557
1558         default:
1559             return VLC_EGENERIC;
1560     }
1561 }
1562
1563 /*****************************************************************************
1564  * RollOverTcp: reopen the rtsp into TCP mode
1565  * XXX: ugly, a lot of code are duplicated from Open()
1566  * This should REALLY be fixed
1567  *****************************************************************************/
1568 static int RollOverTcp( demux_t *p_demux )
1569 {
1570     demux_sys_t *p_sys = p_demux->p_sys;
1571     int i, i_return;
1572
1573     var_SetBool( p_demux, "rtsp-tcp", true );
1574
1575     /* We close the old RTSP session */
1576     p_sys->rtsp->sendTeardownCommand( *p_sys->ms, NULL );
1577     Medium::close( p_sys->ms );
1578     RTSPClient::close( p_sys->rtsp );
1579
1580     for( i = 0; i < p_sys->i_track; i++ )
1581     {
1582         live_track_t *tk = p_sys->track[i];
1583
1584         if( tk->b_muxed ) stream_Delete( tk->p_out_muxed );
1585         if( tk->p_es ) es_out_Del( p_demux->out, tk->p_es );
1586         if( tk->p_asf_block ) block_Release( tk->p_asf_block );
1587         es_format_Clean( &tk->fmt );
1588         free( tk->p_buffer );
1589         free( tk );
1590     }
1591     if( p_sys->i_track ) free( p_sys->track );
1592     if( p_sys->p_out_asf ) stream_Delete( p_sys->p_out_asf );
1593
1594     p_sys->ms = NULL;
1595     p_sys->rtsp = NULL;
1596     p_sys->track = NULL;
1597     p_sys->i_track = 0;
1598     p_sys->b_no_data = true;
1599     p_sys->i_no_data_ti = 0;
1600     p_sys->p_out_asf = NULL;
1601
1602     /* Reopen rtsp client */
1603     if( ( i_return = Connect( p_demux ) ) != VLC_SUCCESS )
1604     {
1605         msg_Err( p_demux, "Failed to connect with rtsp://%s",
1606                  p_sys->psz_path );
1607         goto error;
1608     }
1609
1610     if( p_sys->p_sdp == NULL )
1611     {
1612         msg_Err( p_demux, "Failed to retrieve the RTSP Session Description" );
1613         goto error;
1614     }
1615
1616     if( ( i_return = SessionsSetup( p_demux ) ) != VLC_SUCCESS )
1617     {
1618         msg_Err( p_demux, "Nothing to play for rtsp://%s", p_sys->psz_path );
1619         goto error;
1620     }
1621
1622     if( ( i_return = Play( p_demux ) ) != VLC_SUCCESS )
1623         goto error;
1624
1625     return VLC_SUCCESS;
1626
1627 error:
1628     return VLC_EGENERIC;
1629 }
1630
1631
1632 /*****************************************************************************
1633  *
1634  *****************************************************************************/
1635 static block_t *StreamParseAsf( demux_t *p_demux, live_track_t *tk,
1636                                 bool b_marker,
1637                                 const uint8_t *p_data, unsigned i_size )
1638 {
1639     const unsigned i_packet_size = p_demux->p_sys->asfh.i_min_data_packet_size;
1640     block_t *p_list = NULL;
1641
1642     while( i_size >= 4 )
1643     {
1644         unsigned i_flags = p_data[0];
1645         unsigned i_length_offset = (p_data[1] << 16) |
1646                                    (p_data[2] <<  8) |
1647                                    (p_data[3]      );
1648         bool b_key = i_flags & 0x80;
1649         bool b_length = i_flags & 0x40;
1650         bool b_relative_ts = i_flags & 0x20;
1651         bool b_duration = i_flags & 0x10;
1652         bool b_location_id = i_flags & 0x08;
1653
1654         //msg_Dbg( p_demux, "ASF: marker=%d size=%d : %c=%d id=%d",
1655         //         b_marker, i_size, b_length ? 'L' : 'O', i_length_offset );
1656         unsigned i_header_size = 4;
1657         if( b_relative_ts )
1658             i_header_size += 4;
1659         if( b_duration )
1660             i_header_size += 4;
1661         if( b_location_id )
1662             i_header_size += 4;
1663
1664         if( i_header_size > i_size )
1665         {
1666             msg_Warn( p_demux, "Invalid header size" );
1667             break;
1668         }
1669
1670         /* XXX
1671          * When b_length is true, the streams I found do not seems to respect
1672          * the documentation.
1673          * From them, I have failed to find which choice between '__MIN()' or
1674          * 'i_length_offset - i_header_size' is the right one.
1675          */
1676         unsigned i_payload;
1677         if( b_length )
1678             i_payload = __MIN( i_length_offset, i_size - i_header_size);
1679         else
1680             i_payload = i_size - i_header_size;
1681
1682         if( !tk->p_asf_block )
1683         {
1684             tk->p_asf_block = block_New( p_demux, i_packet_size );
1685             if( !tk->p_asf_block )
1686                 break;
1687             tk->p_asf_block->i_buffer = 0;
1688         }
1689         unsigned i_offset  = b_length ? 0 : i_length_offset;
1690         if( i_offset == tk->p_asf_block->i_buffer && i_offset + i_payload <= i_packet_size )
1691         {
1692             memcpy( &tk->p_asf_block->p_buffer[i_offset], &p_data[i_header_size], i_payload );
1693             tk->p_asf_block->i_buffer += i_payload;
1694             if( b_marker )
1695             {
1696                 /* We have a complete packet */
1697                 tk->p_asf_block->i_buffer = i_packet_size;
1698                 block_ChainAppend( &p_list, tk->p_asf_block );
1699                 tk->p_asf_block = NULL;
1700             }
1701         }
1702         else
1703         {
1704             /* Reset on broken stream */
1705             msg_Err( p_demux, "Broken packet detected (%d vs %zu or %d + %d vs %d)",
1706                      i_offset, tk->p_asf_block->i_buffer, i_offset, i_payload, i_packet_size);
1707             tk->p_asf_block->i_buffer = 0;
1708         }
1709
1710         /* */
1711         p_data += i_header_size + i_payload;
1712         i_size -= i_header_size + i_payload;
1713     }
1714     return p_list;
1715 }
1716
1717 /*****************************************************************************
1718  *
1719  *****************************************************************************/
1720 static void StreamRead( void *p_private, unsigned int i_size,
1721                         unsigned int i_truncated_bytes, struct timeval pts,
1722                         unsigned int duration )
1723 {
1724     VLC_UNUSED( duration );
1725
1726     live_track_t   *tk = (live_track_t*)p_private;
1727     demux_t        *p_demux = tk->p_demux;
1728     demux_sys_t    *p_sys = p_demux->p_sys;
1729     block_t        *p_block;
1730
1731     //msg_Dbg( p_demux, "pts: %d", pts.tv_sec );
1732
1733     int64_t i_pts = (int64_t)pts.tv_sec * INT64_C(1000000) +
1734         (int64_t)pts.tv_usec;
1735
1736     /* XXX Beurk beurk beurk Avoid having negative value XXX */
1737     i_pts &= INT64_C(0x00ffffffffffffff);
1738
1739     /* Retrieve NPT for this pts */
1740     tk->i_npt = tk->sub->getNormalPlayTime(pts);
1741
1742     if( tk->b_quicktime && tk->p_es == NULL )
1743     {
1744         QuickTimeGenericRTPSource *qtRTPSource =
1745             (QuickTimeGenericRTPSource*)tk->sub->rtpSource();
1746         QuickTimeGenericRTPSource::QTState &qtState = qtRTPSource->qtState;
1747         uint8_t *sdAtom = (uint8_t*)&qtState.sdAtom[4];
1748
1749         if( tk->fmt.i_cat == VIDEO_ES ) {
1750             if( qtState.sdAtomSize < 16 + 32 )
1751             {
1752                 /* invalid */
1753                 p_sys->event_data = 0xff;
1754                 tk->waiting = 0;
1755                 return;
1756             }
1757             tk->fmt.i_codec = VLC_FOURCC(sdAtom[0],sdAtom[1],sdAtom[2],sdAtom[3]);
1758             tk->fmt.video.i_width  = (sdAtom[28] << 8) | sdAtom[29];
1759             tk->fmt.video.i_height = (sdAtom[30] << 8) | sdAtom[31];
1760
1761             if( tk->fmt.i_codec == VLC_FOURCC('a', 'v', 'c', '1') )
1762             {
1763                 uint8_t *pos = (uint8_t*)qtRTPSource->qtState.sdAtom + 86;
1764                 uint8_t *endpos = (uint8_t*)qtRTPSource->qtState.sdAtom
1765                                   + qtRTPSource->qtState.sdAtomSize;
1766                 while (pos+8 < endpos) {
1767                     unsigned int atomLength = pos[0]<<24 | pos[1]<<16 | pos[2]<<8 | pos[3];
1768                     if( atomLength == 0 || atomLength > (unsigned int)(endpos-pos)) break;
1769                     if( memcmp(pos+4, "avcC", 4) == 0 &&
1770                         atomLength > 8 &&
1771                         atomLength <= INT_MAX )
1772                     {
1773                         tk->fmt.i_extra = atomLength-8;
1774                         tk->fmt.p_extra = xmalloc( tk->fmt.i_extra );
1775                         memcpy(tk->fmt.p_extra, pos+8, atomLength-8);
1776                         break;
1777                     }
1778                     pos += atomLength;
1779                 }
1780             }
1781             else
1782             {
1783                 tk->fmt.i_extra        = qtState.sdAtomSize - 16;
1784                 tk->fmt.p_extra        = xmalloc( tk->fmt.i_extra );
1785                 memcpy( tk->fmt.p_extra, &sdAtom[12], tk->fmt.i_extra );
1786             }
1787         }
1788         else {
1789             if( qtState.sdAtomSize < 4 )
1790             {
1791                 /* invalid */
1792                 p_sys->event_data = 0xff;
1793                 tk->waiting = 0;
1794                 return;
1795             }
1796             tk->fmt.i_codec = VLC_FOURCC(sdAtom[0],sdAtom[1],sdAtom[2],sdAtom[3]);
1797         }
1798         tk->p_es = es_out_Add( p_demux->out, &tk->fmt );
1799     }
1800
1801 #if 0
1802     fprintf( stderr, "StreamRead size=%d pts=%lld\n",
1803              i_size,
1804              pts.tv_sec * 1000000LL + pts.tv_usec );
1805 #endif
1806
1807     /* grow buffer if it looks like buffer is too small, but don't eat
1808      * up all the memory on strange streams */
1809     if( i_truncated_bytes > 0 )
1810     {
1811         if( tk->i_buffer < 2000000 )
1812         {
1813             void *p_tmp;
1814             msg_Dbg( p_demux, "lost %d bytes", i_truncated_bytes );
1815             msg_Dbg( p_demux, "increasing buffer size to %d", tk->i_buffer * 2 );
1816             p_tmp = realloc( tk->p_buffer, tk->i_buffer * 2 );
1817             if( p_tmp == NULL )
1818             {
1819                 msg_Warn( p_demux, "realloc failed" );
1820             }
1821             else
1822             {
1823                 tk->p_buffer = (uint8_t*)p_tmp;
1824                 tk->i_buffer *= 2;
1825             }
1826         }
1827
1828         if( tk->b_discard_trunc )
1829         {
1830             p_sys->event_data = 0xff;
1831             tk->waiting = 0;
1832             return;
1833         }
1834     }
1835
1836     assert( i_size <= tk->i_buffer );
1837
1838     if( tk->fmt.i_codec == VLC_CODEC_AMR_NB ||
1839         tk->fmt.i_codec == VLC_CODEC_AMR_WB )
1840     {
1841         AMRAudioSource *amrSource = (AMRAudioSource*)tk->sub->readSource();
1842
1843         p_block = block_New( p_demux, i_size + 1 );
1844         p_block->p_buffer[0] = amrSource->lastFrameHeader();
1845         memcpy( p_block->p_buffer + 1, tk->p_buffer, i_size );
1846     }
1847     else if( tk->fmt.i_codec == VLC_CODEC_H261 )
1848     {
1849         H261VideoRTPSource *h261Source = (H261VideoRTPSource*)tk->sub->rtpSource();
1850         uint32_t header = h261Source->lastSpecialHeader();
1851         p_block = block_New( p_demux, i_size + 4 );
1852         memcpy( p_block->p_buffer, &header, 4 );
1853         memcpy( p_block->p_buffer + 4, tk->p_buffer, i_size );
1854
1855         if( tk->sub->rtpSource()->curPacketMarkerBit() )
1856             p_block->i_flags |= BLOCK_FLAG_END_OF_FRAME;
1857     }
1858     else if( tk->fmt.i_codec == VLC_CODEC_H264 )
1859     {
1860         if( (tk->p_buffer[0] & 0x1f) >= 24 )
1861             msg_Warn( p_demux, "unsupported NAL type for H264" );
1862
1863         /* Normal NAL type */
1864         p_block = block_New( p_demux, i_size + 4 );
1865         p_block->p_buffer[0] = 0x00;
1866         p_block->p_buffer[1] = 0x00;
1867         p_block->p_buffer[2] = 0x00;
1868         p_block->p_buffer[3] = 0x01;
1869         memcpy( &p_block->p_buffer[4], tk->p_buffer, i_size );
1870     }
1871     else if( tk->b_asf )
1872     {
1873         p_block = StreamParseAsf( p_demux, tk,
1874                                   tk->sub->rtpSource()->curPacketMarkerBit(),
1875                                   tk->p_buffer, i_size );
1876     }
1877     else
1878     {
1879         p_block = block_New( p_demux, i_size );
1880         memcpy( p_block->p_buffer, tk->p_buffer, i_size );
1881     }
1882
1883     if( p_sys->i_pcr < i_pts )
1884     {
1885         p_sys->i_pcr = i_pts;
1886     }
1887
1888     /* Update our global npt value */
1889     if( tk->i_npt > 0 && tk->i_npt > p_sys->i_npt &&
1890         ( tk->i_npt < p_sys->i_npt_length || p_sys->i_npt_length <= 0 ) )
1891         p_sys->i_npt = tk->i_npt;
1892
1893     if( p_block )
1894     {
1895         if( !tk->b_muxed && !tk->b_asf )
1896         {
1897             if( i_pts != tk->i_pts )
1898                 p_block->i_pts = VLC_TS_0 + i_pts;
1899             /*FIXME: for h264 you should check that packetization-mode=1 in sdp-file */
1900             p_block->i_dts = ( tk->fmt.i_codec == VLC_CODEC_MPGV ) ? VLC_TS_INVALID : (VLC_TS_0 + i_pts);
1901         }
1902
1903         if( tk->b_muxed )
1904             stream_DemuxSend( tk->p_out_muxed, p_block );
1905         else if( tk->b_asf )
1906             stream_DemuxSend( p_sys->p_out_asf, p_block );
1907         else
1908             es_out_Send( p_demux->out, tk->p_es, p_block );
1909     }
1910
1911     /* warn that's ok */
1912     p_sys->event_data = 0xff;
1913
1914     /* we have read data */
1915     tk->waiting = 0;
1916     p_demux->p_sys->b_no_data = false;
1917     p_demux->p_sys->i_no_data_ti = 0;
1918
1919     if( i_pts > 0 && !tk->b_muxed )
1920     {
1921         tk->i_pts = i_pts;
1922     }
1923 }
1924
1925 /*****************************************************************************
1926  *
1927  *****************************************************************************/
1928 static void StreamClose( void *p_private )
1929 {
1930     live_track_t   *tk = (live_track_t*)p_private;
1931     demux_t        *p_demux = tk->p_demux;
1932     demux_sys_t    *p_sys = p_demux->p_sys;
1933
1934     msg_Dbg( p_demux, "StreamClose" );
1935
1936     p_sys->event_rtsp = 0xff;
1937     p_sys->event_data = 0xff;
1938     p_sys->b_error = true;
1939 }
1940
1941
1942 /*****************************************************************************
1943  *
1944  *****************************************************************************/
1945 static void TaskInterruptRTSP( void *p_private )
1946 {
1947     demux_t *p_demux = (demux_t*)p_private;
1948
1949     /* Avoid lock */
1950     p_demux->p_sys->event_rtsp = 0xff;
1951 }
1952
1953 static void TaskInterruptData( void *p_private )
1954 {
1955     demux_t *p_demux = (demux_t*)p_private;
1956
1957     p_demux->p_sys->i_no_data_ti++;
1958
1959     /* Avoid lock */
1960     p_demux->p_sys->event_data = 0xff;
1961 }
1962
1963 /*****************************************************************************
1964  *
1965  *****************************************************************************/
1966 static void* TimeoutPrevention( void *p_data )
1967 {
1968     timeout_thread_t *p_timeout = (timeout_thread_t *)p_data;
1969
1970     for( ;; )
1971     {
1972         /* Voodoo (= no) thread safety here! *Ahem* */
1973         if( p_timeout->b_handle_keep_alive )
1974         {
1975             char *psz_bye = NULL;
1976             int canc = vlc_savecancel ();
1977
1978             p_timeout->p_sys->rtsp->sendGetParameterCommand( *p_timeout->p_sys->ms, NULL, psz_bye );
1979             vlc_restorecancel (canc);
1980         }
1981         p_timeout->p_sys->b_timeout_call = !p_timeout->b_handle_keep_alive;
1982
1983         msleep (((int64_t)p_timeout->p_sys->i_timeout - 2) * CLOCK_FREQ);
1984     }
1985     assert(0); /* dead code */
1986 }
1987
1988 /*****************************************************************************
1989  *
1990  *****************************************************************************/
1991 static int ParseASF( demux_t *p_demux )
1992 {
1993     demux_sys_t    *p_sys = p_demux->p_sys;
1994
1995     const char *psz_marker = "a=pgmpu:data:application/vnd.ms.wms-hdr.asfv1;base64,";
1996     char *psz_asf = strcasestr( p_sys->p_sdp, psz_marker );
1997     char *psz_end;
1998     block_t *p_header;
1999
2000     /* Parse the asf header */
2001     if( psz_asf == NULL )
2002         return VLC_EGENERIC;
2003
2004     psz_asf += strlen( psz_marker );
2005     psz_asf = strdup( psz_asf );    /* Duplicate it */
2006     psz_end = strchr( psz_asf, '\n' );
2007
2008     while( psz_end > psz_asf && ( *psz_end == '\n' || *psz_end == '\r' ) )
2009         *psz_end-- = '\0';
2010
2011     if( psz_asf >= psz_end )
2012     {
2013         free( psz_asf );
2014         return VLC_EGENERIC;
2015     }
2016
2017     /* Always smaller */
2018     p_header = block_New( p_demux, psz_end - psz_asf );
2019     p_header->i_buffer = vlc_b64_decode_binary_to_buffer( p_header->p_buffer,
2020                                                p_header->i_buffer, psz_asf );
2021     //msg_Dbg( p_demux, "Size=%d Hdrb64=%s", p_header->i_buffer, psz_asf );
2022     if( p_header->i_buffer <= 0 )
2023     {
2024         free( psz_asf );
2025         return VLC_EGENERIC;
2026     }
2027
2028     /* Parse it to get packet size */
2029     asf_HeaderParse( &p_sys->asfh, p_header->p_buffer, p_header->i_buffer );
2030
2031     /* Send it to demuxer */
2032     stream_DemuxSend( p_sys->p_out_asf, p_header );
2033
2034     free( psz_asf );
2035     return VLC_SUCCESS;
2036 }
2037
2038
2039 static unsigned char* parseH264ConfigStr( char const* configStr,
2040                                           unsigned int& configSize )
2041 {
2042     char *dup, *psz;
2043     size_t i_records = 1;
2044
2045     configSize = 0;
2046
2047     if( configStr == NULL || *configStr == '\0' )
2048         return NULL;
2049
2050     psz = dup = strdup( configStr );
2051
2052     /* Count the number of commas */
2053     for( psz = dup; *psz != '\0'; ++psz )
2054     {
2055         if( *psz == ',')
2056         {
2057             ++i_records;
2058             *psz = '\0';
2059         }
2060     }
2061
2062     size_t configMax = 5*strlen(dup);
2063     unsigned char *cfg = new unsigned char[configMax];
2064     psz = dup;
2065     for( size_t i = 0; i < i_records; ++i )
2066     {
2067         cfg[configSize++] = 0x00;
2068         cfg[configSize++] = 0x00;
2069         cfg[configSize++] = 0x00;
2070         cfg[configSize++] = 0x01;
2071
2072         configSize += vlc_b64_decode_binary_to_buffer( cfg+configSize,
2073                                           configMax-configSize, psz );
2074         psz += strlen(psz)+1;
2075     }
2076
2077     free( dup );
2078     return cfg;
2079 }