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 <iostream>
  51 #include <limits.h>
  52 #include <assert.h>
  53
  54
  55 #if defined( WIN32 )
  56 #   include <winsock2.h>
  57 #endif
  58
  59 #include <UsageEnvironment.hh>
  60 #include <BasicUsageEnvironment.hh>
  61 #include <GroupsockHelper.hh>
  62 #include <liveMedia.hh>
  63 #include <liveMedia_version.hh>
  64
  65 extern "C" {
  66 #include "../access/mms/asf.h"  /* Who said ugly ? */
  67 }
  68
  69 using namespace std;
  70
  71 /*****************************************************************************
  72  * Module descriptor
  73  *****************************************************************************/
  74 static int  Open ( vlc_object_t * );
  75 static void Close( vlc_object_t * );
  76
  77 #define CACHING_TEXT N_("Caching value (ms)")
  78 #define CACHING_LONGTEXT N_( \
  79     "Allows you to modify the default caching value for RTSP streams. This " \
  80     "value should be set in millisecond units." )
  81
  82 #define KASENNA_TEXT N_( "Kasenna RTSP dialect")
  83 #define KASENNA_LONGTEXT N_( "Kasenna servers use an old and nonstandard " \
  84     "dialect of RTSP. With this parameter VLC will try this dialect, but "\
  85     "then it cannot connect to normal RTSP servers." )
  86
  87 #define WMSERVER_TEXT N_("WMServer RTSP dialect")
  88 #define WMSERVER_LONGTEXT N_("WMServer uses an unstandard dialect " \
  89     "of RTSP. Selecting this parameter will tell VLC to assume some " \
  90     "options contrary to RFC 2326 guidelines.")
  91
  92 #define USER_TEXT N_("RTSP user name")
  93 #define USER_LONGTEXT N_("Sets the username for the connection, " \
  94     "if no username or password are set in the url.")
  95 #define PASS_TEXT N_("RTSP password")
  96 #define PASS_LONGTEXT N_("Sets the password for the connection, " \
  97     "if no username or password are set in the url.")
  98
  99 vlc_module_begin ()
 100     set_description( N_("RTP/RTSP/SDP demuxer (using Live555)" ) )
 101     set_capability( "demux", 50 )
 102     set_shortname( "RTP/RTSP")
 103     set_callbacks( Open, Close )
 104     add_shortcut( "live", "livedotcom" )
 105     set_category( CAT_INPUT )
 106     set_subcategory( SUBCAT_INPUT_DEMUX )
 107
 108     add_submodule ()
 109         set_description( N_("RTSP/RTP access and demux") )
 110         add_shortcut( "rtsp", "pnm", "live", "livedotcom" )
 111         set_capability( "access_demux", 0 )
 112         set_callbacks( Open, Close )
 113         add_bool( "rtsp-tcp", false,
 114                   N_("Use RTP over RTSP (TCP)"),
 115                   N_("Use RTP over RTSP (TCP)"), true )
 116             change_safe()
 117         add_integer( "rtp-client-port", -1,
 118                   N_("Client port"),
 119                   N_("Port to use for the RTP source of the session"), true )
 120         add_bool( "rtsp-mcast", false,
 121                   N_("Force multicast RTP via RTSP"),
 122                   N_("Force multicast RTP via RTSP"), true )
 123             change_safe()
 124         add_bool( "rtsp-http", false,
 125                   N_("Tunnel RTSP and RTP over HTTP"),
 126                   N_("Tunnel RTSP and RTP over HTTP"), true )
 127             change_safe()
 128         add_integer( "rtsp-http-port", 80,
 129                   N_("HTTP tunnel port"),
 130                   N_("Port to use for tunneling the RTSP/RTP over HTTP."),
 131                   true )
 132         add_integer("rtsp-caching", 4 * DEFAULT_PTS_DELAY / 1000,
 133                     CACHING_TEXT, CACHING_LONGTEXT, true )
 134             change_safe()
 135         add_bool(   "rtsp-kasenna", false, KASENNA_TEXT,
 136                     KASENNA_LONGTEXT, true )
 137             change_safe()
 138         add_bool(   "rtsp-wmserver", false, WMSERVER_TEXT,
 139                     WMSERVER_LONGTEXT, true)
 140             change_safe()
 141         add_string( "rtsp-user", NULL, USER_TEXT,
 142                     USER_LONGTEXT, true )
 143             change_safe()
 144         add_password( "rtsp-pwd", NULL, PASS_TEXT,
 145                       PASS_LONGTEXT, true )
 146             change_safe()
 147 vlc_module_end ()
 148
 149
 150 /*****************************************************************************
 151  * Local prototypes
 152  *****************************************************************************/
 153
 154 typedef struct
 155 {
 156     demux_t         *p_demux;
 157     MediaSubsession *sub;
 158
 159     es_format_t     fmt;
 160     es_out_id_t     *p_es;
 161
 162     bool            b_muxed;
 163     bool            b_quicktime;
 164     bool            b_asf;
 165     block_t         *p_asf_block;
 166     bool            b_discard_trunc;
 167     stream_t        *p_out_muxed;    /* for muxed stream */
 168
 169     uint8_t         *p_buffer;
 170     unsigned int    i_buffer;
 171
 172     bool            b_rtcp_sync;
 173     char            waiting;
 174     int64_t         i_pts;
 175     float           i_npt;
 176
 177 } live_track_t;
 178
 179 struct timeout_thread_t
 180 {
 181     demux_sys_t  *p_sys;
 182     vlc_thread_t handle;
 183     bool         b_handle_keep_alive;
 184 };
 185
 186 class RTSPClientVlc;
 187
 188 struct demux_sys_t
 189 {
 190     char            *p_sdp;    /* XXX mallocated */
 191     char            *psz_path; /* URL-encoded path */
 192     vlc_url_t       url;
 193
 194     MediaSession     *ms;
 195     TaskScheduler    *scheduler;
 196     UsageEnvironment *env ;
 197     RTSPClientVlc    *rtsp;
 198
 199     /* */
 200     int              i_track;
 201     live_track_t     **track;   /* XXX mallocated */
 202
 203     /* Weird formats */
 204     asf_header_t     asfh;
 205     stream_t         *p_out_asf;
 206     bool             b_real;
 207
 208     /* */
 209     int64_t          i_pcr; /* The clock */
 210     float            i_npt;
 211     float            i_npt_length;
 212     float            i_npt_start;
 213
 214     /* timeout thread information */
 215     int              i_timeout;     /* session timeout value in seconds */
 216     bool             b_timeout_call;/* mark to send an RTSP call to prevent server timeout */
 217     timeout_thread_t *p_timeout;    /* the actual thread that makes sure we don't timeout */
 218
 219     /* */
 220     bool             b_force_mcast;
 221     bool             b_multicast;   /* if one of the tracks is multicasted */
 222     bool             b_no_data;     /* if we never received any data */
 223     int              i_no_data_ti;  /* consecutive number of TaskInterrupt */
 224
 225     char             event_rtsp;
 226     char             event_data;
 227
 228     bool             b_get_param;   /* Does the server support GET_PARAMETER */
 229     bool             b_paused;      /* Are we paused? */
 230     bool             b_error;
 231     int              i_live555_ret; /* live555 callback return code */
 232
 233     float            f_seek_request;/* In case we receive a seek request while paused*/
 234 };
 235
 236
 237 class RTSPClientVlc : public RTSPClient
 238 {
 239 public:
 240     RTSPClientVlc( UsageEnvironment& env, char const* rtspURL, int verbosityLevel,
 241                    char const* applicationName, portNumBits tunnelOverHTTPPortNum,
 242                    demux_sys_t *p_sys) :
 243                    RTSPClient( env, rtspURL, verbosityLevel, applicationName,
 244                    tunnelOverHTTPPortNum )
 245     {
 246         this->p_sys = p_sys;
 247     }
 248     demux_sys_t *p_sys;
 249 };
 250
 251 static int Demux  ( demux_t * );
 252 static int Control( demux_t *, int, va_list );
 253
 254 static int Connect      ( demux_t * );
 255 static int SessionsSetup( demux_t * );
 256 static int Play         ( demux_t *);
 257 static int ParseASF     ( demux_t * );
 258 static int RollOverTcp  ( demux_t * );
 259
 260 static void StreamRead  ( void *, unsigned int, unsigned int,
 261                           struct timeval, unsigned int );
 262 static void StreamClose ( void * );
 263 static void TaskInterruptData( void * );
 264 static void TaskInterruptRTSP( void * );
 265
 266 static void* TimeoutPrevention( void * );
 267
 268 static unsigned char* parseH264ConfigStr( char const* configStr,
 269                                           unsigned int& configSize );
 270
 271 /*****************************************************************************
 272  * DemuxOpen:
 273  *****************************************************************************/
 274 static int  Open ( vlc_object_t *p_this )
 275 {
 276     demux_t     *p_demux = (demux_t*)p_this;
 277     demux_sys_t *p_sys = NULL;
 278
 279     int i_return;
 280     int i_error = VLC_EGENERIC;
 281
 282     if( p_demux->s )
 283     {
 284         /* See if it looks like a SDP
 285            v, o, s fields are mandatory and in this order */
 286         const uint8_t *p_peek;
 287         if( stream_Peek( p_demux->s, &p_peek, 7 ) < 7 ) return VLC_EGENERIC;
 288
 289         if( memcmp( p_peek, "v=0\r\n", 5 ) &&
 290             memcmp( p_peek, "v=0\n", 4 ) &&
 291             ( p_peek[0] < 'a' || p_peek[0] > 'z' || p_peek[1] != '=' ) )
 292         {
 293             return VLC_EGENERIC;
 294         }
 295     }
 296     var_Create( p_demux, "rtsp-caching", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
 297
 298     p_demux->pf_demux  = Demux;
 299     p_demux->pf_control= Control;
 300     p_demux->p_sys     = p_sys = (demux_sys_t*)malloc( sizeof( demux_sys_t ) );
 301     if( !p_sys ) return VLC_ENOMEM;
 302
 303     msg_Dbg( p_demux, "version "LIVEMEDIA_LIBRARY_VERSION_STRING );
 304
 305     p_sys->p_sdp = NULL;
 306     p_sys->scheduler = NULL;
 307     p_sys->env = NULL;
 308     p_sys->ms = NULL;
 309     p_sys->rtsp = NULL;
 310     p_sys->i_track = 0;
 311     p_sys->track   = NULL;
 312     p_sys->i_pcr = 0;
 313     p_sys->i_npt = 0.;
 314     p_sys->i_npt_start = 0.;
 315     p_sys->i_npt_length = 0.;
 316     p_sys->p_out_asf = NULL;
 317     p_sys->b_no_data = true;
 318     p_sys->i_no_data_ti = 0;
 319     p_sys->p_timeout = NULL;
 320     p_sys->i_timeout = 0;
 321     p_sys->b_timeout_call = false;
 322     p_sys->b_multicast = false;
 323     p_sys->b_real = false;
 324     p_sys->psz_path = strdup( p_demux->psz_location );
 325     p_sys->b_force_mcast = var_InheritBool( p_demux, "rtsp-mcast" );
 326     p_sys->b_get_param = false;
 327     p_sys->b_paused = false;
 328     p_sys->f_seek_request = -1;
 329     p_sys->b_error = false;
 330     p_sys->i_live555_ret = 0;
 331
 332     /* parse URL for rtsp://[user:[passwd]@]serverip:port/options */
 333     vlc_UrlParse( &p_sys->url, p_sys->psz_path, 0 );
 334
 335     if( ( p_sys->scheduler = BasicTaskScheduler::createNew() ) == NULL )
 336     {
 337         msg_Err( p_demux, "BasicTaskScheduler::createNew failed" );
 338         goto error;
 339     }
 340     if( !( p_sys->env = BasicUsageEnvironment::createNew(*p_sys->scheduler) ) )
 341     {
 342         msg_Err( p_demux, "BasicUsageEnvironment::createNew failed" );
 343         goto error;
 344     }
 345
 346     if( strcasecmp( p_demux->psz_access, "sdp" ) )
 347     {
 348         char *p = p_sys->psz_path;
 349         while( (p = strchr( p, ' ' )) != NULL ) *p = '+';
 350     }
 351
 352     if( p_demux->s != NULL )
 353     {
 354         /* Gather the complete sdp file */
 355         int     i_sdp       = 0;
 356         int     i_sdp_max   = 1000;
 357         uint8_t *p_sdp      = (uint8_t*) malloc( i_sdp_max );
 358
 359         if( !p_sdp )
 360         {
 361             i_error = VLC_ENOMEM;
 362             goto error;
 363         }
 364
 365         for( ;; )
 366         {
 367             int i_read = stream_Read( p_demux->s, &p_sdp[i_sdp],
 368                                       i_sdp_max - i_sdp - 1 );
 369
 370             if( !vlc_object_alive (p_demux) )
 371             {
 372                 free( p_sdp );
 373                 goto error;
 374             }
 375
 376             if( i_read < 0 )
 377             {
 378                 msg_Err( p_demux, "failed to read SDP" );
 379                 free( p_sdp );
 380                 goto error;
 381             }
 382
 383             i_sdp += i_read;
 384
 385             if( i_read < i_sdp_max - i_sdp - 1 )
 386             {
 387                 p_sdp[i_sdp] = '\0';
 388                 break;
 389             }
 390
 391             i_sdp_max += 1000;
 392             p_sdp = (uint8_t*)xrealloc( p_sdp, i_sdp_max );
 393         }
 394         p_sys->p_sdp = (char*)p_sdp;
 395     }
 396     else if( ( i_return = Connect( p_demux ) ) != VLC_SUCCESS )
 397     {
 398         msg_Err( p_demux, "Failed to connect with rtsp://%s", p_sys->psz_path );
 399         goto error;
 400     }
 401
 402     if( p_sys->p_sdp == NULL )
 403     {
 404         msg_Err( p_demux, "Failed to retrieve the RTSP Session Description" );
 405         i_error = VLC_ENOMEM;
 406         goto error;
 407     }
 408
 409     if( ( i_return = SessionsSetup( p_demux ) ) != VLC_SUCCESS )
 410     {
 411         msg_Err( p_demux, "Nothing to play for rtsp://%s", p_sys->psz_path );
 412         goto error;
 413     }
 414
 415     if( p_sys->b_real ) goto error;
 416
 417     if( ( i_return = Play( p_demux ) ) != VLC_SUCCESS )
 418         goto error;
 419
 420     if( p_sys->p_out_asf && ParseASF( p_demux ) )
 421     {
 422         msg_Err( p_demux, "cannot find a usable asf header" );
 423         /* TODO Clean tracks */
 424         goto error;
 425     }
 426
 427     if( p_sys->i_track <= 0 )
 428         goto error;
 429
 430     return VLC_SUCCESS;
 431
 432 error:
 433     Close( p_this );
 434     return i_error;
 435 }
 436
 437 /*****************************************************************************
 438  * DemuxClose:
 439  *****************************************************************************/
 440 static void Close( vlc_object_t *p_this )
 441 {
 442     demux_t *p_demux = (demux_t*)p_this;
 443     demux_sys_t *p_sys = p_demux->p_sys;
 444
 445     if( p_sys->p_timeout )
 446     {
 447         vlc_cancel( p_sys->p_timeout->handle );
 448         vlc_join( p_sys->p_timeout->handle, NULL );
 449         free( p_sys->p_timeout );
 450     }
 451
 452     if( p_sys->rtsp && p_sys->ms ) p_sys->rtsp->sendTeardownCommand( *p_sys->ms, NULL );
 453     if( p_sys->ms ) Medium::close( p_sys->ms );
 454     if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp );
 455     if( p_sys->env ) p_sys->env->reclaim();
 456
 457     for( int i = 0; i < p_sys->i_track; i++ )
 458     {
 459         live_track_t *tk = p_sys->track[i];
 460
 461         if( tk->b_muxed ) stream_Delete( tk->p_out_muxed );
 462         es_format_Clean( &tk->fmt );
 463         free( tk->p_buffer );
 464         free( tk );
 465     }
 466
 467     if( p_sys->i_track ) free( p_sys->track );
 468     if( p_sys->p_out_asf ) stream_Delete( p_sys->p_out_asf );
 469     delete p_sys->scheduler;
 470     free( p_sys->p_sdp );
 471     free( p_sys->psz_path );
 472
 473     vlc_UrlClean( &p_sys->url );
 474
 475     free( p_sys );
 476 }
 477
 478 static inline const char *strempty( const char *s ) { return s?s:""; }
 479 static inline Boolean toBool( bool b ) { return b?True:False; } // silly, no?
 480
 481 static void default_live555_callback( RTSPClient* client, int result_code, char* result_string )
 482 {
 483     RTSPClientVlc *client_vlc = static_cast<RTSPClientVlc *> ( client );
 484     demux_sys_t *p_sys = client_vlc->p_sys;
 485     delete []result_string;
 486     p_sys->i_live555_ret = result_code;
 487     p_sys->b_error = p_sys->i_live555_ret != 0;
 488     p_sys->event_rtsp = 1;
 489 }
 490
 491 /* return true if the RTSP command succeeded */
 492 static bool wait_Live555_response( demux_t *p_demux, int i_timeout = 0 /* ms */ )
 493 {
 494     TaskToken task;
 495     demux_sys_t * p_sys = p_demux->p_sys;
 496     p_sys->event_rtsp = 0;
 497     if( i_timeout > 0 )
 498     {
 499         /* Create a task that will be called if we wait more than timeout ms */
 500         task = p_sys->scheduler->scheduleDelayedTask( i_timeout*1000,
 501                                                       TaskInterruptRTSP,
 502                                                       p_demux );
 503     }
 504     p_sys->event_rtsp = 0;
 505     p_sys->b_error = true;
 506     p_sys->i_live555_ret = 0;
 507     p_sys->scheduler->doEventLoop( &p_sys->event_rtsp );
 508     //here, if b_error is true and i_live555_ret = 0 we didn't receive a response
 509     if( i_timeout > 0 )
 510     {
 511         /* remove the task */
 512         p_sys->scheduler->unscheduleDelayedTask( task );
 513     }
 514     return !p_sys->b_error;
 515 }
 516
 517 static void continueAfterDESCRIBE( RTSPClient* client, int result_code,
 518                                    char* result_string )
 519 {
 520     RTSPClientVlc *client_vlc = static_cast<RTSPClientVlc *> ( client );
 521     demux_sys_t *p_sys = client_vlc->p_sys;
 522     p_sys->i_live555_ret = result_code;
 523     if ( result_code == 0 )
 524     {
 525         char* sdpDescription = result_string;
 526         free( p_sys->p_sdp );
 527         p_sys->p_sdp = NULL;
 528         if( sdpDescription )
 529         {
 530             p_sys->p_sdp = strdup( sdpDescription );
 531             p_sys->b_error = false;
 532         }
 533     }
 534     else
 535         p_sys->b_error = true;
 536     delete[] result_string;
 537     p_sys->event_rtsp = 1;
 538 }
 539
 540 static void continueAfterOPTIONS( RTSPClient* client, int result_code,
 541                                   char* result_string )
 542 {
 543     RTSPClientVlc *client_vlc = static_cast<RTSPClientVlc *> (client);
 544     demux_sys_t *p_sys = client_vlc->p_sys;
 545     p_sys->i_live555_ret = result_code;
 546     if ( result_code != 0 )
 547     {
 548         p_sys->b_error = true;
 549         p_sys->event_rtsp = 1;
 550     }
 551     else
 552     {
 553         p_sys->b_get_param = result_string != NULL && strstr( result_string, "GET_PARAMETER" ) != NULL;
 554         client->sendDescribeCommand( continueAfterDESCRIBE );
 555     }
 556     delete[] result_string;
 557 }
 558
 559 /*****************************************************************************
 560  * Connect: connects to the RTSP server to setup the session DESCRIBE
 561  *****************************************************************************/
 562 static int Connect( demux_t *p_demux )
 563 {
 564     demux_sys_t *p_sys = p_demux->p_sys;
 565     Authenticator authenticator;
 566     char *psz_user    = NULL;
 567     char *psz_pwd     = NULL;
 568     char *psz_url     = NULL;
 569     char *psz_options = NULL;
 570     char *p_sdp       = NULL;
 571     int  i_http_port  = 0;
 572     int  i_ret        = VLC_SUCCESS;
 573     const int i_timeout = var_InheritInteger( p_demux, "ipv4-timeout" );
 574
 575     /* Get the user name and password */
 576     if( p_sys->url.psz_username || p_sys->url.psz_password )
 577     {
 578         /* Create the URL by stripping away the username/password part */
 579         if( p_sys->url.i_port == 0 )
 580             p_sys->url.i_port = 554;
 581         if( asprintf( &psz_url, "rtsp://%s:%d%s",
 582                       strempty( p_sys->url.psz_host ),
 583                       p_sys->url.i_port,
 584                       strempty( p_sys->url.psz_path ) ) == -1 )
 585             return VLC_ENOMEM;
 586
 587         psz_user = strdup( strempty( p_sys->url.psz_username ) );
 588         psz_pwd  = strdup( strempty( p_sys->url.psz_password ) );
 589     }
 590     else
 591     {
 592         if( asprintf( &psz_url, "rtsp://%s", p_sys->psz_path ) == -1 )
 593             return VLC_ENOMEM;
 594
 595         psz_user = var_InheritString( p_demux, "rtsp-user" );
 596         psz_pwd  = var_InheritString( p_demux, "rtsp-pwd" );
 597     }
 598
 599 createnew:
 600     if( !vlc_object_alive (p_demux) )
 601     {
 602         i_ret = VLC_EGENERIC;
 603         goto bailout;
 604     }
 605
 606     if( var_InheritBool( p_demux, "rtsp-http" ) )
 607         i_http_port = var_InheritInteger( p_demux, "rtsp-http-port" );
 608
 609     p_sys->rtsp = new RTSPClientVlc( *p_sys->env, psz_url,
 610                                      var_InheritInteger( p_demux, "verbose" ) > 1 ? 1 : 0,
 611                                      "LibVLC/"VERSION, i_http_port, p_sys );
 612     if( !p_sys->rtsp )
 613     {
 614         msg_Err( p_demux, "RTSPClient::createNew failed (%s)",
 615                  p_sys->env->getResultMsg() );
 616         i_ret = VLC_EGENERIC;
 617         goto bailout;
 618     }
 619
 620     /* Kasenna enables KeepAlive by analysing the User-Agent string.
 621      * Appending _KA to the string should be enough to enable this feature,
 622      * however, there is a bug where the _KA doesn't get parsed from the
 623      * default User-Agent as created by VLC/Live555 code. This is probably due
 624      * to spaces in the string or the string being too long. Here we override
 625      * the default string with a more compact version.
 626      */
 627     if( var_InheritBool( p_demux, "rtsp-kasenna" ))
 628     {
 629         p_sys->rtsp->setUserAgentString( "VLC_MEDIA_PLAYER_KA" );
 630     }
 631
 632 describe:
 633     authenticator.setUsernameAndPassword( psz_user, psz_pwd );
 634
 635     p_sys->rtsp->sendOptionsCommand( &continueAfterOPTIONS, &authenticator );
 636
 637     if( !wait_Live555_response( p_demux, i_timeout ) )
 638     {
 639         int i_code = p_sys->i_live555_ret;
 640         if( i_code == 401 )
 641         {
 642             msg_Dbg( p_demux, "authentication failed" );
 643
 644             free( psz_user );
 645             free( psz_pwd );
 646             dialog_Login( p_demux, &psz_user, &psz_pwd,
 647                           _("RTSP authentication"), "%s",
 648                         _("Please enter a valid login name and a password.") );
 649             if( psz_user != NULL && psz_pwd != NULL )
 650             {
 651                 msg_Dbg( p_demux, "retrying with user=%s", psz_user );
 652                 goto describe;
 653             }
 654         }
 655         else if( i_code > 0 && i_code != 404 && !var_GetBool( p_demux, "rtsp-http" ) )
 656         {
 657             /* Perhaps a firewall is being annoying. Try HTTP tunneling mode */
 658             msg_Dbg( p_demux, "we will now try HTTP tunneling mode" );
 659             var_SetBool( p_demux, "rtsp-http", true );
 660             if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp );
 661             p_sys->rtsp = NULL;
 662             goto createnew;
 663         }
 664         else
 665         {
 666             if( i_code == 0 )
 667                 msg_Dbg( p_demux, "connection timeout" );
 668             else
 669                 msg_Dbg( p_demux, "connection error %d", i_code );
 670             if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp );
 671             p_sys->rtsp = NULL;
 672         }
 673         i_ret = VLC_EGENERIC;
 674     }
 675
 676 bailout:
 677     /* malloc-ated copy */
 678     free( psz_url );
 679     free( psz_user );
 680     free( psz_pwd );
 681
 682     return i_ret;
 683 }
 684
 685 /*****************************************************************************
 686  * SessionsSetup: prepares the subsessions and does the SETUP
 687  *****************************************************************************/
 688 static int SessionsSetup( demux_t *p_demux )
 689 {
 690     demux_sys_t             *p_sys  = p_demux->p_sys;
 691     MediaSubsessionIterator *iter   = NULL;
 692     MediaSubsession         *sub    = NULL;
 693
 694     bool           b_rtsp_tcp = false;
 695     int            i_client_port;
 696     int            i_return = VLC_SUCCESS;
 697     unsigned int   i_buffer = 0;
 698     unsigned const thresh = 200000; /* RTP reorder threshold .2 second (default .1) */
 699
 700     b_rtsp_tcp    = var_CreateGetBool( p_demux, "rtsp-tcp" ) ||
 701                     var_InheritBool( p_demux, "rtsp-http" );
 702     i_client_port = var_InheritInteger( p_demux, "rtp-client-port" );
 703
 704     /* Create the session from the SDP */
 705     if( !( p_sys->ms = MediaSession::createNew( *p_sys->env, p_sys->p_sdp ) ) )
 706     {
 707         msg_Err( p_demux, "Could not create the RTSP Session: %s",
 708             p_sys->env->getResultMsg() );
 709         return VLC_EGENERIC;
 710     }
 711
 712     /* Initialise each media subsession */
 713     iter = new MediaSubsessionIterator( *p_sys->ms );
 714     while( ( sub = iter->next() ) != NULL )
 715     {
 716         Boolean bInit;
 717         live_track_t *tk;
 718
 719         if( !vlc_object_alive (p_demux) )
 720         {
 721             delete iter;
 722             return VLC_EGENERIC;
 723         }
 724
 725         /* Value taken from mplayer */
 726         if( !strcmp( sub->mediumName(), "audio" ) )
 727             i_buffer = 100000;
 728         else if( !strcmp( sub->mediumName(), "video" ) )
 729             i_buffer = 2000000;
 730         else if( !strcmp( sub->mediumName(), "text" ) )
 731             ;
 732         else continue;
 733
 734         if( i_client_port != -1 )
 735         {
 736             sub->setClientPortNum( i_client_port );
 737             i_client_port += 2;
 738         }
 739
 740         if( strcasestr( sub->codecName(), "REAL" ) )
 741         {
 742             msg_Info( p_demux, "real codec detected, using real-RTSP instead" );
 743             p_sys->b_real = true; /* This is a problem, we'll handle it later */
 744             continue;
 745         }
 746
 747         if( !strcmp( sub->codecName(), "X-ASF-PF" ) )
 748             bInit = sub->initiate( 0 );
 749         else
 750             bInit = sub->initiate();
 751
 752         if( !bInit )
 753         {
 754             msg_Warn( p_demux, "RTP subsession '%s/%s' failed (%s)",
 755                       sub->mediumName(), sub->codecName(),
 756                       p_sys->env->getResultMsg() );
 757         }
 758         else
 759         {
 760             if( sub->rtpSource() != NULL )
 761             {
 762                 int fd = sub->rtpSource()->RTPgs()->socketNum();
 763
 764                 /* Increase the buffer size */
 765                 if( i_buffer > 0 )
 766                     increaseReceiveBufferTo( *p_sys->env, fd, i_buffer );
 767
 768                 /* Increase the RTP reorder timebuffer just a bit */
 769                 sub->rtpSource()->setPacketReorderingThresholdTime(thresh);
 770             }
 771             msg_Dbg( p_demux, "RTP subsession '%s/%s'", sub->mediumName(),
 772                      sub->codecName() );
 773
 774             /* Issue the SETUP */
 775             if( p_sys->rtsp )
 776             {
 777                 p_sys->rtsp->sendSetupCommand( *sub, default_live555_callback, False,
 778                                                toBool( b_rtsp_tcp ),
 779                                                toBool( p_sys->b_force_mcast && !b_rtsp_tcp ) );
 780                 if( !wait_Live555_response( p_demux ) )
 781                 {
 782                     /* if we get an unsupported transport error, toggle TCP
 783                      * use and try again */
 784                     if( p_sys->i_live555_ret == 461 )
 785                         p_sys->rtsp->sendSetupCommand( *sub, default_live555_callback, False,
 786                                                        !toBool( b_rtsp_tcp ), False );
 787                     if( p_sys->i_live555_ret != 461 || !wait_Live555_response( p_demux ) )
 788                     {
 789                         msg_Err( p_demux, "SETUP of'%s/%s' failed %s",
 790                                  sub->mediumName(), sub->codecName(),
 791                                  p_sys->env->getResultMsg() );
 792                         continue;
 793                     }
 794                 }
 795             }
 796
 797             /* Check if we will receive data from this subsession for
 798              * this track */
 799             if( sub->readSource() == NULL ) continue;
 800             if( !p_sys->b_multicast )
 801             {
 802                 /* We need different rollover behaviour for multicast */
 803                 p_sys->b_multicast = IsMulticastAddress( sub->connectionEndpointAddress() );
 804             }
 805
 806             tk = (live_track_t*)malloc( sizeof( live_track_t ) );
 807             if( !tk )
 808             {
 809                 delete iter;
 810                 return VLC_ENOMEM;
 811             }
 812             tk->p_demux     = p_demux;
 813             tk->sub         = sub;
 814             tk->p_es        = NULL;
 815             tk->b_quicktime = false;
 816             tk->b_asf       = false;
 817             tk->p_asf_block = NULL;
 818             tk->b_muxed     = false;
 819             tk->b_discard_trunc = false;
 820             tk->p_out_muxed = NULL;
 821             tk->waiting     = 0;
 822             tk->b_rtcp_sync = false;
 823             tk->i_pts       = VLC_TS_INVALID;
 824             tk->i_npt       = 0.;
 825             tk->i_buffer    = 65536;
 826             tk->p_buffer    = (uint8_t *)malloc( 65536 );
 827             if( !tk->p_buffer )
 828             {
 829                 free( tk );
 830                 delete iter;
 831                 return VLC_ENOMEM;
 832             }
 833
 834             /* Value taken from mplayer */
 835             if( !strcmp( sub->mediumName(), "audio" ) )
 836             {
 837                 es_format_Init( &tk->fmt, AUDIO_ES, VLC_FOURCC('u','n','d','f') );
 838                 tk->fmt.audio.i_channels = sub->numChannels();
 839                 tk->fmt.audio.i_rate = sub->rtpTimestampFrequency();
 840
 841                 if( !strcmp( sub->codecName(), "MPA" ) ||
 842                     !strcmp( sub->codecName(), "MPA-ROBUST" ) ||
 843                     !strcmp( sub->codecName(), "X-MP3-DRAFT-00" ) )
 844                 {
 845                     tk->fmt.i_codec = VLC_CODEC_MPGA;
 846                     tk->fmt.audio.i_rate = 0;
 847                 }
 848                 else if( !strcmp( sub->codecName(), "AC3" ) )
 849                 {
 850                     tk->fmt.i_codec = VLC_CODEC_A52;
 851                     tk->fmt.audio.i_rate = 0;
 852                 }
 853                 else if( !strcmp( sub->codecName(), "L16" ) )
 854                 {
 855                     tk->fmt.i_codec = VLC_CODEC_S16B;
 856                     tk->fmt.audio.i_bitspersample = 16;
 857                 }
 858                 else if( !strcmp( sub->codecName(), "L20" ) )
 859                 {
 860                     tk->fmt.i_codec = VLC_CODEC_S20B;
 861                     tk->fmt.audio.i_bitspersample = 20;
 862                 }
 863                 else if( !strcmp( sub->codecName(), "L24" ) )
 864                 {
 865                     tk->fmt.i_codec = VLC_CODEC_S24B;
 866                     tk->fmt.audio.i_bitspersample = 24;
 867                 }
 868                 else if( !strcmp( sub->codecName(), "L8" ) )
 869                 {
 870                     tk->fmt.i_codec = VLC_CODEC_U8;
 871                     tk->fmt.audio.i_bitspersample = 8;
 872                 }
 873                 else if( !strcmp( sub->codecName(), "DAT12" ) )
 874                 {
 875                     tk->fmt.i_codec = VLC_CODEC_DAT12;
 876                     tk->fmt.audio.i_bitspersample = 12;
 877                 }
 878                 else if( !strcmp( sub->codecName(), "PCMU" ) )
 879                 {
 880                     tk->fmt.i_codec = VLC_CODEC_MULAW;
 881                     tk->fmt.audio.i_bitspersample = 8;
 882                 }
 883                 else if( !strcmp( sub->codecName(), "PCMA" ) )
 884                 {
 885                     tk->fmt.i_codec = VLC_CODEC_ALAW;
 886                     tk->fmt.audio.i_bitspersample = 8;
 887                 }
 888                 else if( !strncmp( sub->codecName(), "G726", 4 ) )
 889                 {
 890                     tk->fmt.i_codec = VLC_CODEC_ADPCM_G726;
 891                     tk->fmt.audio.i_rate = 8000;
 892                     tk->fmt.audio.i_channels = 1;
 893                     if( !strcmp( sub->codecName()+5, "40" ) )
 894                         tk->fmt.i_bitrate = 40000;
 895                     else if( !strcmp( sub->codecName()+5, "32" ) )
 896                         tk->fmt.i_bitrate = 32000;
 897                     else if( !strcmp( sub->codecName()+5, "24" ) )
 898                         tk->fmt.i_bitrate = 24000;
 899                     else if( !strcmp( sub->codecName()+5, "16" ) )
 900                         tk->fmt.i_bitrate = 16000;
 901                 }
 902                 else if( !strcmp( sub->codecName(), "AMR" ) )
 903                 {
 904                     tk->fmt.i_codec = VLC_CODEC_AMR_NB;
 905                 }
 906                 else if( !strcmp( sub->codecName(), "AMR-WB" ) )
 907                 {
 908                     tk->fmt.i_codec = VLC_CODEC_AMR_WB;
 909                 }
 910                 else if( !strcmp( sub->codecName(), "MP4A-LATM" ) )
 911                 {
 912                     unsigned int i_extra;
 913                     uint8_t      *p_extra;
 914
 915                     tk->fmt.i_codec = VLC_CODEC_MP4A;
 916
 917                     if( ( p_extra = parseStreamMuxConfigStr( sub->fmtp_config(),
 918                                                              i_extra ) ) )
 919                     {
 920                         tk->fmt.i_extra = i_extra;
 921                         tk->fmt.p_extra = xmalloc( i_extra );
 922                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
 923                         delete[] p_extra;
 924                     }
 925                     /* Because the "faad" decoder does not handle the LATM
 926                      * data length field at the start of each returned LATM
 927                      * frame, tell the RTP source to omit it. */
 928                     ((MPEG4LATMAudioRTPSource*)sub->rtpSource())->omitLATMDataLengthField();
 929                 }
 930                 else if( !strcmp( sub->codecName(), "MPEG4-GENERIC" ) )
 931                 {
 932                     unsigned int i_extra;
 933                     uint8_t      *p_extra;
 934
 935                     tk->fmt.i_codec = VLC_CODEC_MP4A;
 936
 937                     if( ( p_extra = parseGeneralConfigStr( sub->fmtp_config(),
 938                                                            i_extra ) ) )
 939                     {
 940                         tk->fmt.i_extra = i_extra;
 941                         tk->fmt.p_extra = xmalloc( i_extra );
 942                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
 943                         delete[] p_extra;
 944                     }
 945                 }
 946                 else if( !strcmp( sub->codecName(), "X-ASF-PF" ) )
 947                 {
 948                     tk->b_asf = true;
 949                     if( p_sys->p_out_asf == NULL )
 950                         p_sys->p_out_asf = stream_DemuxNew( p_demux, "asf",
 951                                                             p_demux->out );
 952                 }
 953                 else if( !strcmp( sub->codecName(), "X-QT" ) ||
 954                          !strcmp( sub->codecName(), "X-QUICKTIME" ) )
 955                 {
 956                     tk->b_quicktime = true;
 957                 }
 958                 else if( !strcmp( sub->codecName(), "SPEEX" ) )
 959                 {
 960                     tk->fmt.i_codec = VLC_FOURCC( 's', 'p', 'x', 'r' );
 961                     if ( sub->rtpTimestampFrequency() )
 962                         tk->fmt.audio.i_rate = sub->rtpTimestampFrequency();
 963                     else
 964                     {
 965                         msg_Warn( p_demux,"Using 8kHz as default sample rate." );
 966                         tk->fmt.audio.i_rate = 8000;
 967                     }
 968                 }
 969             }
 970             else if( !strcmp( sub->mediumName(), "video" ) )
 971             {
 972                 es_format_Init( &tk->fmt, VIDEO_ES, VLC_FOURCC('u','n','d','f') );
 973                 if( !strcmp( sub->codecName(), "MPV" ) )
 974                 {
 975                     tk->fmt.i_codec = VLC_CODEC_MPGV;
 976                     tk->fmt.b_packetized = false;
 977                 }
 978                 else if( !strcmp( sub->codecName(), "H263" ) ||
 979                          !strcmp( sub->codecName(), "H263-1998" ) ||
 980                          !strcmp( sub->codecName(), "H263-2000" ) )
 981                 {
 982                     tk->fmt.i_codec = VLC_CODEC_H263;
 983                 }
 984                 else if( !strcmp( sub->codecName(), "H261" ) )
 985                 {
 986                     tk->fmt.i_codec = VLC_CODEC_H261;
 987                 }
 988                 else if( !strcmp( sub->codecName(), "H264" ) )
 989                 {
 990                     unsigned int i_extra = 0;
 991                     uint8_t      *p_extra = NULL;
 992
 993                     tk->fmt.i_codec = VLC_CODEC_H264;
 994                     tk->fmt.b_packetized = false;
 995
 996                     if((p_extra=parseH264ConfigStr( sub->fmtp_spropparametersets(),
 997                                                     i_extra ) ) )
 998                     {
 999                         tk->fmt.i_extra = i_extra;
1000                         tk->fmt.p_extra = xmalloc( i_extra );
1001                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
1002
1003                         delete[] p_extra;
1004                     }
1005                 }
1006                 else if( !strcmp( sub->codecName(), "JPEG" ) )
1007                 {
1008                     tk->fmt.i_codec = VLC_CODEC_MJPG;
1009                 }
1010                 else if( !strcmp( sub->codecName(), "MP4V-ES" ) )
1011                 {
1012                     unsigned int i_extra;
1013                     uint8_t      *p_extra;
1014
1015                     tk->fmt.i_codec = VLC_CODEC_MP4V;
1016
1017                     if( ( p_extra = parseGeneralConfigStr( sub->fmtp_config(),
1018                                                            i_extra ) ) )
1019                     {
1020                         tk->fmt.i_extra = i_extra;
1021                         tk->fmt.p_extra = xmalloc( i_extra );
1022                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
1023                         delete[] p_extra;
1024                     }
1025                 }
1026                 else if( !strcmp( sub->codecName(), "X-QT" ) ||
1027                          !strcmp( sub->codecName(), "X-QUICKTIME" ) ||
1028                          !strcmp( sub->codecName(), "X-QDM" ) ||
1029                          !strcmp( sub->codecName(), "X-SV3V-ES" )  ||
1030                          !strcmp( sub->codecName(), "X-SORENSONVIDEO" ) )
1031                 {
1032                     tk->b_quicktime = true;
1033                 }
1034                 else if( !strcmp( sub->codecName(), "MP2T" ) )
1035                 {
1036                     tk->b_muxed = true;
1037                     tk->p_out_muxed = stream_DemuxNew( p_demux, "ts", p_demux->out );
1038                 }
1039                 else if( !strcmp( sub->codecName(), "MP2P" ) ||
1040                          !strcmp( sub->codecName(), "MP1S" ) )
1041                 {
1042                     tk->b_muxed = true;
1043                     tk->p_out_muxed = stream_DemuxNew( p_demux, "ps",
1044                                                        p_demux->out );
1045                 }
1046                 else if( !strcmp( sub->codecName(), "X-ASF-PF" ) )
1047                 {
1048                     tk->b_asf = true;
1049                     if( p_sys->p_out_asf == NULL )
1050                         p_sys->p_out_asf = stream_DemuxNew( p_demux, "asf",
1051                                                             p_demux->out );;
1052                 }
1053                 else if( !strcmp( sub->codecName(), "DV" ) )
1054                 {
1055                     tk->b_muxed = true;
1056                     tk->b_discard_trunc = true;
1057                     tk->p_out_muxed = stream_DemuxNew( p_demux, "rawdv",
1058                                                        p_demux->out );
1059                 }
1060             }
1061             else if( !strcmp( sub->mediumName(), "text" ) )
1062             {
1063                 es_format_Init( &tk->fmt, SPU_ES, VLC_FOURCC('u','n','d','f') );
1064
1065                 if( !strcmp( sub->codecName(), "T140" ) )
1066                 {
1067                     tk->fmt.i_codec = VLC_CODEC_ITU_T140;
1068                 }
1069             }
1070
1071             if( !tk->b_quicktime && !tk->b_muxed && !tk->b_asf )
1072             {
1073                 tk->p_es = es_out_Add( p_demux->out, &tk->fmt );
1074             }
1075
1076             if( sub->rtcpInstance() != NULL )
1077             {
1078                 sub->rtcpInstance()->setByeHandler( StreamClose, tk );
1079             }
1080
1081             if( tk->p_es || tk->b_quicktime || tk->b_muxed || tk->b_asf )
1082             {
1083                 /* Append */
1084                 p_sys->track = (live_track_t**)xrealloc( p_sys->track,
1085                             sizeof( live_track_t ) * ( p_sys->i_track + 1 ) );
1086                 p_sys->track[p_sys->i_track++] = tk;
1087             }
1088             else
1089             {
1090                 /* BUG ??? */
1091                 msg_Err( p_demux, "unusable RTSP track. this should not happen" );
1092                 es_format_Clean( &tk->fmt );
1093                 free( tk );
1094             }
1095         }
1096     }
1097     delete iter;
1098     if( p_sys->i_track <= 0 ) i_return = VLC_EGENERIC;
1099
1100     /* Retrieve the starttime if possible */
1101     p_sys->i_npt_start = p_sys->ms->playStartTime();
1102
1103     /* Retrieve the duration if possible */
1104     p_sys->i_npt_length = p_sys->ms->playEndTime();
1105
1106     /* */
1107     msg_Dbg( p_demux, "setup start: %f stop:%f", p_sys->i_npt_start, p_sys->i_npt_length );
1108
1109     /* */
1110     p_sys->b_no_data = true;
1111     p_sys->i_no_data_ti = 0;
1112
1113     return i_return;
1114 }
1115
1116 /*****************************************************************************
1117  * Play: starts the actual playback of the stream
1118  *****************************************************************************/
1119 static int Play( demux_t *p_demux )
1120 {
1121     demux_sys_t *p_sys = p_demux->p_sys;
1122
1123     if( p_sys->rtsp )
1124     {
1125         /* The PLAY */
1126         p_sys->rtsp->sendPlayCommand( *p_sys->ms, default_live555_callback, p_sys->i_npt_start, -1, 1 );
1127
1128         if( !wait_Live555_response(p_demux) )
1129         {
1130             msg_Err( p_demux, "RTSP PLAY failed %s", p_sys->env->getResultMsg() );
1131             return VLC_EGENERIC;
1132         }
1133
1134         /* Retrieve the timeout value and set up a timeout prevention thread */
1135         p_sys->i_timeout = p_sys->rtsp->sessionTimeoutParameter();
1136         if( p_sys->i_timeout <= 0 )
1137             p_sys->i_timeout = 60; /* default value from RFC2326 */
1138
1139         /* start timeout-thread only if GET_PARAMETER is supported by the server */
1140         if( !p_sys->p_timeout && p_sys->b_get_param )
1141         {
1142             msg_Dbg( p_demux, "We have a timeout of %d seconds",  p_sys->i_timeout );
1143             p_sys->p_timeout = (timeout_thread_t *)malloc( sizeof(timeout_thread_t) );
1144             if( p_sys->p_timeout )
1145             {
1146                 memset( p_sys->p_timeout, 0, sizeof(timeout_thread_t) );
1147                 p_sys->p_timeout->p_sys = p_demux->p_sys; /* lol, object recursion :D */
1148                 if( vlc_clone( &p_sys->p_timeout->handle,  TimeoutPrevention,
1149                                p_sys->p_timeout, VLC_THREAD_PRIORITY_LOW ) )
1150                 {
1151                     msg_Err( p_demux, "cannot spawn liveMedia timeout thread" );
1152                     free( p_sys->p_timeout );
1153                     p_sys->p_timeout = NULL;
1154                 }
1155                 else
1156                     msg_Dbg( p_demux, "spawned timeout thread" );
1157             }
1158             else
1159                 msg_Err( p_demux, "cannot spawn liveMedia timeout thread" );
1160         }
1161     }
1162     p_sys->i_pcr = 0;
1163
1164     /* Retrieve the starttime if possible */
1165     p_sys->i_npt_start = p_sys->ms->playStartTime();
1166     if( p_sys->ms->playEndTime() > 0 )
1167         p_sys->i_npt_length = p_sys->ms->playEndTime();
1168
1169     msg_Dbg( p_demux, "play start: %f stop:%f", p_sys->i_npt_start, p_sys->i_npt_length );
1170     return VLC_SUCCESS;
1171 }
1172
1173
1174 /*****************************************************************************
1175  * Demux:
1176  *****************************************************************************/
1177 static int Demux( demux_t *p_demux )
1178 {
1179     demux_sys_t    *p_sys = p_demux->p_sys;
1180     TaskToken      task;
1181
1182     bool            b_send_pcr = true;
1183     int64_t         i_pcr = 0;
1184     int             i;
1185
1186     /* Check if we need to send the server a Keep-A-Live signal */
1187     if( p_sys->b_timeout_call && p_sys->rtsp && p_sys->ms )
1188     {
1189         char *psz_bye = NULL;
1190         p_sys->rtsp->sendGetParameterCommand( *p_sys->ms, NULL, psz_bye );
1191         p_sys->b_timeout_call = false;
1192     }
1193
1194     for( i = 0; i < p_sys->i_track; i++ )
1195     {
1196         live_track_t *tk = p_sys->track[i];
1197
1198         if( tk->b_asf || tk->b_muxed )
1199             b_send_pcr = false;
1200 #if 0
1201         if( i_pcr == 0 )
1202         {
1203             i_pcr = tk->i_pts;
1204         }
1205         else if( tk->i_pts != 0 && i_pcr > tk->i_pts )
1206         {
1207             i_pcr = tk->i_pts ;
1208         }
1209 #endif
1210     }
1211     if( p_sys->i_pcr > 0 )
1212     {
1213         if( b_send_pcr )
1214             es_out_Control( p_demux->out, ES_OUT_SET_PCR, 1 + p_sys->i_pcr );
1215     }
1216
1217     /* First warn we want to read data */
1218     p_sys->event_data = 0;
1219     for( i = 0; i < p_sys->i_track; i++ )
1220     {
1221         live_track_t *tk = p_sys->track[i];
1222
1223         if( tk->waiting == 0 )
1224         {
1225             tk->waiting = 1;
1226             tk->sub->readSource()->getNextFrame( tk->p_buffer, tk->i_buffer,
1227                                           StreamRead, tk, StreamClose, tk );
1228         }
1229     }
1230     /* Create a task that will be called if we wait more than 300ms */
1231     task = p_sys->scheduler->scheduleDelayedTask( 300000, TaskInterruptData, p_demux );
1232
1233     /* Do the read */
1234     p_sys->scheduler->doEventLoop( &p_sys->event_data );
1235
1236     /* remove the task */
1237     p_sys->scheduler->unscheduleDelayedTask( task );
1238
1239     /* Check for gap in pts value */
1240     for( i = 0; i < p_sys->i_track; i++ )
1241     {
1242         live_track_t *tk = p_sys->track[i];
1243
1244         if( !tk->b_muxed && !tk->b_rtcp_sync &&
1245             tk->sub->rtpSource() && tk->sub->rtpSource()->hasBeenSynchronizedUsingRTCP() )
1246         {
1247             msg_Dbg( p_demux, "tk->rtpSource->hasBeenSynchronizedUsingRTCP()" );
1248
1249             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
1250             tk->b_rtcp_sync = true;
1251             /* reset PCR */
1252             tk->i_pts = VLC_TS_INVALID;
1253             tk->i_npt = 0.;
1254             p_sys->i_pcr = 0;
1255             p_sys->i_npt = 0.;
1256             i_pcr = 0;
1257         }
1258     }
1259
1260     if( p_sys->b_multicast && p_sys->b_no_data &&
1261         ( p_sys->i_no_data_ti > 120 ) )
1262     {
1263         /* FIXME Make this configurable
1264         msg_Err( p_demux, "no multicast data received in 36s, aborting" );
1265         return 0;
1266         */
1267     }
1268     else if( !p_sys->b_multicast && !p_sys->b_paused &&
1269               p_sys->b_no_data && ( p_sys->i_no_data_ti > 34 ) )
1270     {
1271         bool b_rtsp_tcp = var_GetBool( p_demux, "rtsp-tcp" ) ||
1272                                 var_GetBool( p_demux, "rtsp-http" );
1273
1274         if( !b_rtsp_tcp && p_sys->rtsp && p_sys->ms )
1275         {
1276             msg_Warn( p_demux, "no data received in 10s. Switching to TCP" );
1277             if( RollOverTcp( p_demux ) )
1278             {
1279                 msg_Err( p_demux, "TCP rollover failed, aborting" );
1280                 return 0;
1281             }
1282             return 1;
1283         }
1284         msg_Err( p_demux, "no data received in 10s, aborting" );
1285         return 0;
1286     }
1287     else if( !p_sys->b_multicast && !p_sys->b_paused &&
1288              ( p_sys->i_no_data_ti > 34 ) )
1289     {
1290         /* EOF ? */
1291         msg_Warn( p_demux, "no data received in 10s, eof ?" );
1292         return 0;
1293     }
1294     return p_sys->b_error ? 0 : 1;
1295 }
1296
1297 /*****************************************************************************
1298  * Control:
1299  *****************************************************************************/
1300 static int Control( demux_t *p_demux, int i_query, va_list args )
1301 {
1302     demux_sys_t *p_sys = p_demux->p_sys;
1303     int64_t *pi64, i64;
1304     double  *pf, f;
1305     bool *pb, *pb2;
1306     int *pi_int;
1307
1308     switch( i_query )
1309     {
1310         case DEMUX_GET_TIME:
1311             pi64 = (int64_t*)va_arg( args, int64_t * );
1312             if( p_sys->i_npt > 0 )
1313             {
1314                 *pi64 = (int64_t)(p_sys->i_npt * 1000000.);
1315                 return VLC_SUCCESS;
1316             }
1317             return VLC_EGENERIC;
1318
1319         case DEMUX_GET_LENGTH:
1320             pi64 = (int64_t*)va_arg( args, int64_t * );
1321             if( p_sys->i_npt_length > 0 )
1322             {
1323                 *pi64 = (int64_t)((double)p_sys->i_npt_length * 1000000.0);
1324                 return VLC_SUCCESS;
1325             }
1326             return VLC_EGENERIC;
1327
1328         case DEMUX_GET_POSITION:
1329             pf = (double*)va_arg( args, double* );
1330             if( (p_sys->i_npt_length > 0) && (p_sys->i_npt > 0) )
1331             {
1332                 *pf = ( (double)p_sys->i_npt / (double)p_sys->i_npt_length );
1333                 return VLC_SUCCESS;
1334             }
1335             return VLC_EGENERIC;
1336
1337         case DEMUX_SET_POSITION:
1338         case DEMUX_SET_TIME:
1339             if( p_sys->rtsp && (p_sys->i_npt_length > 0) )
1340             {
1341                 int i;
1342                 float time;
1343
1344                 if( (i_query == DEMUX_SET_TIME) && (p_sys->i_npt > 0) )
1345                 {
1346                     i64 = (int64_t)va_arg( args, int64_t );
1347                     time = (float)((double)i64 / (double)1000000.0); /* in second */
1348                 }
1349                 else if( i_query == DEMUX_SET_TIME )
1350                     return VLC_EGENERIC;
1351                 else
1352                 {
1353                     f = (double)va_arg( args, double );
1354                     time = f * (double)p_sys->i_npt_length;   /* in second */
1355                 }
1356
1357                 if( p_sys->b_paused )
1358                 {
1359                     p_sys->f_seek_request = time;
1360                     return VLC_SUCCESS;
1361                 }
1362
1363                 p_sys->rtsp->sendPauseCommand( *p_sys->ms, default_live555_callback );
1364
1365                 if( !wait_Live555_response( p_demux ) )
1366                 {
1367                     msg_Err( p_demux, "PAUSE before seek failed %s",
1368                         p_sys->env->getResultMsg() );
1369                     return VLC_EGENERIC;
1370                 }
1371
1372                 p_sys->rtsp->sendPlayCommand( *p_sys->ms, default_live555_callback, time, -1, 1 );
1373
1374                 if( !wait_Live555_response( p_demux ) )
1375                 {
1376                     msg_Err( p_demux, "seek PLAY failed %s",
1377                         p_sys->env->getResultMsg() );
1378                     return VLC_EGENERIC;
1379                 }
1380                 p_sys->i_pcr = 0;
1381
1382                 /* Retrieve RTP-Info values */
1383                 for( i = 0; i < p_sys->i_track; i++ )
1384                 {
1385                     p_sys->track[i]->b_rtcp_sync = false;
1386                     p_sys->track[i]->i_pts = VLC_TS_INVALID;
1387                 }
1388
1389                 /* Retrieve the starttime if possible */
1390                 p_sys->i_npt = p_sys->i_npt_start = p_sys->ms->playStartTime();
1391
1392                 /* Retrieve the duration if possible */
1393                 if( p_sys->ms->playEndTime() > 0 )
1394                     p_sys->i_npt_length = p_sys->ms->playEndTime();
1395
1396                 msg_Dbg( p_demux, "seek start: %f stop:%f", p_sys->i_npt_start, p_sys->i_npt_length );
1397                 return VLC_SUCCESS;
1398             }
1399             return VLC_EGENERIC;
1400
1401         /* Special for access_demux */
1402         case DEMUX_CAN_PAUSE:
1403         case DEMUX_CAN_SEEK:
1404             pb = (bool*)va_arg( args, bool * );
1405             if( p_sys->rtsp && p_sys->i_npt_length > 0 )
1406                 /* Not always true, but will be handled in SET_PAUSE_STATE */
1407                 *pb = true;
1408             else
1409                 *pb = false;
1410             return VLC_SUCCESS;
1411
1412         case DEMUX_CAN_CONTROL_PACE:
1413             pb = (bool*)va_arg( args, bool * );
1414
1415 #if 1       /* Disable for now until we have a clock synchro algo
1416              * which works with something else than MPEG over UDP */
1417             *pb = false;
1418 #else
1419             *pb = true;
1420 #endif
1421             return VLC_SUCCESS;
1422
1423         case DEMUX_CAN_CONTROL_RATE:
1424             pb = (bool*)va_arg( args, bool * );
1425             pb2 = (bool*)va_arg( args, bool * );
1426
1427             *pb = (p_sys->rtsp != NULL) &&
1428                     (p_sys->i_npt_length > 0) &&
1429                     ( !var_GetBool( p_demux, "rtsp-kasenna" ) ||
1430                       !var_GetBool( p_demux, "rtsp-wmserver" ) );
1431             *pb2 = false;
1432             return VLC_SUCCESS;
1433
1434         case DEMUX_SET_RATE:
1435         {
1436             double f_scale, f_old_scale;
1437
1438             if( !p_sys->rtsp || (p_sys->i_npt_length <= 0) ||
1439                 var_GetBool( p_demux, "rtsp-kasenna" ) ||
1440                 var_GetBool( p_demux, "rtsp-wmserver" ) )
1441                 return VLC_EGENERIC;
1442
1443             /* According to RFC 2326 p56 chapter 12.35 a RTSP server that
1444              * supports Scale:
1445              *
1446              * "[...] should try to approximate the viewing rate, but
1447              *  may restrict the range of scale values that it supports.
1448              *  The response MUST contain the actual scale value chosen
1449              *  by the server."
1450              *
1451              * Scale = 1 indicates normal play
1452              * Scale > 1 indicates fast forward
1453              * Scale < 1 && Scale > 0 indicates slow motion
1454              * Scale < 0 value indicates rewind
1455              */
1456
1457             pi_int = (int*)va_arg( args, int * );
1458             f_scale = (double)INPUT_RATE_DEFAULT / (*pi_int);
1459             f_old_scale = p_sys->ms->scale();
1460
1461             /* Passing -1 for the start and end time will mean liveMedia won't
1462              * create a Range: section for the RTSP message. The server should
1463              * pick up from the current position */
1464             p_sys->rtsp->sendPlayCommand( *p_sys->ms, default_live555_callback, -1, -1, f_scale );
1465
1466             if( !wait_Live555_response( p_demux ) )
1467             {
1468                 msg_Err( p_demux, "PLAY with Scale %0.2f failed %s", f_scale,
1469                         p_sys->env->getResultMsg() );
1470                 return VLC_EGENERIC;
1471             }
1472
1473             if( p_sys->ms->scale() == f_old_scale )
1474             {
1475                 msg_Err( p_demux, "no scale change using old Scale %0.2f",
1476                           p_sys->ms->scale() );
1477                 return VLC_EGENERIC;
1478             }
1479
1480             /* ReSync the stream */
1481             p_sys->i_npt_start = 0;
1482             p_sys->i_pcr = 0;
1483             p_sys->i_npt = 0.0;
1484
1485             *pi_int = (int)( INPUT_RATE_DEFAULT / p_sys->ms->scale() );
1486             msg_Dbg( p_demux, "PLAY with new Scale %0.2f (%d)", p_sys->ms->scale(), (*pi_int) );
1487             return VLC_SUCCESS;
1488         }
1489
1490         case DEMUX_SET_PAUSE_STATE:
1491         {
1492             bool b_pause = (bool)va_arg( args, int );
1493             if( p_sys->rtsp == NULL )
1494                 return VLC_EGENERIC;
1495
1496             if( b_pause == p_sys->b_paused )
1497                 return VLC_SUCCESS;
1498             if( b_pause )
1499                 p_sys->rtsp->sendPauseCommand( *p_sys->ms, default_live555_callback );
1500             else
1501                 p_sys->rtsp->sendPlayCommand( *p_sys->ms, default_live555_callback, p_sys->f_seek_request,
1502                                               -1.0f, p_sys->ms->scale() );
1503
1504             if( !wait_Live555_response( p_demux ) )
1505             {
1506                 msg_Err( p_demux, "PLAY or PAUSE failed %s", p_sys->env->getResultMsg() );
1507                 return VLC_EGENERIC;
1508             }
1509             p_sys->f_seek_request = -1;
1510             p_sys->b_paused = b_pause;
1511
1512             /* When we Pause, we'll need the TimeoutPrevention thread to
1513              * handle sending the "Keep Alive" message to the server.
1514              * Unfortunately Live555 isn't thread safe and so can't
1515              * do this normally while the main Demux thread is handling
1516              * a live stream. We end up with the Timeout thread blocking
1517              * waiting for a response from the server. So when we PAUSE
1518              * we set a flag that the TimeoutPrevention function will check
1519              * and if it's set, it will trigger the GET_PARAMETER message */
1520             if( p_sys->b_paused && p_sys->p_timeout != NULL )
1521                 p_sys->p_timeout->b_handle_keep_alive = true;
1522             else if( !p_sys->b_paused && p_sys->p_timeout != NULL )
1523                 p_sys->p_timeout->b_handle_keep_alive = false;
1524
1525             if( !p_sys->b_paused )
1526             {
1527                 for( int i = 0; i < p_sys->i_track; i++ )
1528                 {
1529                     live_track_t *tk = p_sys->track[i];
1530                     tk->b_rtcp_sync = false;
1531                     tk->i_pts = VLC_TS_INVALID;
1532                     p_sys->i_pcr = 0;
1533                     es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
1534                 }
1535             }
1536
1537             /* Reset data received counter */
1538             p_sys->i_no_data_ti = 0;
1539
1540             /* Retrieve the starttime if possible */
1541             p_sys->i_npt_start = p_sys->ms->playStartTime();
1542
1543             /* Retrieve the duration if possible */
1544             if( p_sys->ms->playEndTime() )
1545                 p_sys->i_npt_length = p_sys->ms->playEndTime();
1546
1547             msg_Dbg( p_demux, "pause start: %f stop:%f", p_sys->i_npt_start, p_sys->i_npt_length );
1548             return VLC_SUCCESS;
1549         }
1550         case DEMUX_GET_TITLE_INFO:
1551         case DEMUX_SET_TITLE:
1552         case DEMUX_SET_SEEKPOINT:
1553             return VLC_EGENERIC;
1554
1555         case DEMUX_GET_PTS_DELAY:
1556             pi64 = (int64_t*)va_arg( args, int64_t * );
1557             *pi64 = var_GetInteger( p_demux, "rtsp-caching" ) * 1000;
1558             return VLC_SUCCESS;
1559
1560         default:
1561             return VLC_EGENERIC;
1562     }
1563 }
1564
1565 /*****************************************************************************
1566  * RollOverTcp: reopen the rtsp into TCP mode
1567  * XXX: ugly, a lot of code are duplicated from Open()
1568  * This should REALLY be fixed
1569  *****************************************************************************/
1570 static int RollOverTcp( demux_t *p_demux )
1571 {
1572     demux_sys_t *p_sys = p_demux->p_sys;
1573     int i, i_return;
1574
1575     var_SetBool( p_demux, "rtsp-tcp", true );
1576
1577     /* We close the old RTSP session */
1578     p_sys->rtsp->sendTeardownCommand( *p_sys->ms, NULL );
1579     Medium::close( p_sys->ms );
1580     RTSPClient::close( p_sys->rtsp );
1581
1582     for( i = 0; i < p_sys->i_track; i++ )
1583     {
1584         live_track_t *tk = p_sys->track[i];
1585
1586         if( tk->b_muxed ) stream_Delete( tk->p_out_muxed );
1587         if( tk->p_es ) es_out_Del( p_demux->out, tk->p_es );
1588         if( tk->p_asf_block ) block_Release( tk->p_asf_block );
1589         es_format_Clean( &tk->fmt );
1590         free( tk->p_buffer );
1591         free( tk );
1592     }
1593     if( p_sys->i_track ) free( p_sys->track );
1594     if( p_sys->p_out_asf ) stream_Delete( p_sys->p_out_asf );
1595
1596     p_sys->ms = NULL;
1597     p_sys->rtsp = NULL;
1598     p_sys->track = NULL;
1599     p_sys->i_track = 0;
1600     p_sys->b_no_data = true;
1601     p_sys->i_no_data_ti = 0;
1602     p_sys->p_out_asf = NULL;
1603
1604     /* Reopen rtsp client */
1605     if( ( i_return = Connect( p_demux ) ) != VLC_SUCCESS )
1606     {
1607         msg_Err( p_demux, "Failed to connect with rtsp://%s",
1608                  p_sys->psz_path );
1609         goto error;
1610     }
1611
1612     if( p_sys->p_sdp == NULL )
1613     {
1614         msg_Err( p_demux, "Failed to retrieve the RTSP Session Description" );
1615         goto error;
1616     }
1617
1618     if( ( i_return = SessionsSetup( p_demux ) ) != VLC_SUCCESS )
1619     {
1620         msg_Err( p_demux, "Nothing to play for rtsp://%s", p_sys->psz_path );
1621         goto error;
1622     }
1623
1624     if( ( i_return = Play( p_demux ) ) != VLC_SUCCESS )
1625         goto error;
1626
1627     return VLC_SUCCESS;
1628
1629 error:
1630     return VLC_EGENERIC;
1631 }
1632
1633
1634 /*****************************************************************************
1635  *
1636  *****************************************************************************/
1637 static block_t *StreamParseAsf( demux_t *p_demux, live_track_t *tk,
1638                                 bool b_marker,
1639                                 const uint8_t *p_data, unsigned i_size )
1640 {
1641     const unsigned i_packet_size = p_demux->p_sys->asfh.i_min_data_packet_size;
1642     block_t *p_list = NULL;
1643
1644     while( i_size >= 4 )
1645     {
1646         unsigned i_flags = p_data[0];
1647         unsigned i_length_offset = (p_data[1] << 16) |
1648                                    (p_data[2] <<  8) |
1649                                    (p_data[3]      );
1650         bool b_key = i_flags & 0x80;
1651         bool b_length = i_flags & 0x40;
1652         bool b_relative_ts = i_flags & 0x20;
1653         bool b_duration = i_flags & 0x10;
1654         bool b_location_id = i_flags & 0x08;
1655
1656         //msg_Dbg( p_demux, "ASF: marker=%d size=%d : %c=%d id=%d",
1657         //         b_marker, i_size, b_length ? 'L' : 'O', i_length_offset );
1658         unsigned i_header_size = 4;
1659         if( b_relative_ts )
1660             i_header_size += 4;
1661         if( b_duration )
1662             i_header_size += 4;
1663         if( b_location_id )
1664             i_header_size += 4;
1665
1666         if( i_header_size > i_size )
1667         {
1668             msg_Warn( p_demux, "Invalid header size" );
1669             break;
1670         }
1671
1672         /* XXX
1673          * When b_length is true, the streams I found do not seems to respect
1674          * the documentation.
1675          * From them, I have failed to find which choice between '__MIN()' or
1676          * 'i_length_offset - i_header_size' is the right one.
1677          */
1678         unsigned i_payload;
1679         if( b_length )
1680             i_payload = __MIN( i_length_offset, i_size - i_header_size);
1681         else
1682             i_payload = i_size - i_header_size;
1683
1684         if( !tk->p_asf_block )
1685         {
1686             tk->p_asf_block = block_New( p_demux, i_packet_size );
1687             if( !tk->p_asf_block )
1688                 break;
1689             tk->p_asf_block->i_buffer = 0;
1690         }
1691         unsigned i_offset  = b_length ? 0 : i_length_offset;
1692         if( i_offset == tk->p_asf_block->i_buffer && i_offset + i_payload <= i_packet_size )
1693         {
1694             memcpy( &tk->p_asf_block->p_buffer[i_offset], &p_data[i_header_size], i_payload );
1695             tk->p_asf_block->i_buffer += i_payload;
1696             if( b_marker )
1697             {
1698                 /* We have a complete packet */
1699                 tk->p_asf_block->i_buffer = i_packet_size;
1700                 block_ChainAppend( &p_list, tk->p_asf_block );
1701                 tk->p_asf_block = NULL;
1702             }
1703         }
1704         else
1705         {
1706             /* Reset on broken stream */
1707             msg_Err( p_demux, "Broken packet detected (%d vs %zu or %d + %d vs %d)",
1708                      i_offset, tk->p_asf_block->i_buffer, i_offset, i_payload, i_packet_size);
1709             tk->p_asf_block->i_buffer = 0;
1710         }
1711
1712         /* */
1713         p_data += i_header_size + i_payload;
1714         i_size -= i_header_size + i_payload;
1715     }
1716     return p_list;
1717 }
1718
1719 /*****************************************************************************
1720  *
1721  *****************************************************************************/
1722 static void StreamRead( void *p_private, unsigned int i_size,
1723                         unsigned int i_truncated_bytes, struct timeval pts,
1724                         unsigned int 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 }