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
  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", "sdp", "live", "livedotcom" )
 110         set_capability( "access_demux", 0 )
 111         set_callbacks( Open, Close )
 112         add_bool( "rtsp-tcp", false, NULL,
 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, NULL,
 117                   N_("Client port"),
 118                   N_("Port to use for the RTP source of the session"), true )
 119         add_bool( "rtsp-mcast", false, NULL,
 120                   N_("Force multicast RTP via RTSP"),
 121                   N_("Force multicast RTP via RTSP"), true )
 122             change_safe()
 123         add_bool( "rtsp-http", false, NULL,
 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, NULL,
 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, NULL,
 132                     CACHING_TEXT, CACHING_LONGTEXT, true )
 133             change_safe()
 134         add_bool(   "rtsp-kasenna", false, NULL, KASENNA_TEXT,
 135                     KASENNA_LONGTEXT, true )
 136             change_safe()
 137         add_bool(   "rtsp-wmserver", false, NULL, WMSERVER_TEXT,
 138                     WMSERVER_LONGTEXT, true)
 139             change_safe()
 140         add_string( "rtsp-user", NULL, NULL, USER_TEXT,
 141                     USER_LONGTEXT, true )
 142             change_safe()
 143         add_password( "rtsp-pwd", NULL, 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;
 225
 226     bool             b_get_param;   /* Does the server support GET_PARAMETER */
 227     bool             b_paused;      /* Are we paused? */
 228     bool             b_error;
 229     int              i_live555_ret; /* live555 callback return code */
 230
 231     float            f_seek_request;/* In case we receive a seek request while paused*/
 232 };
 233
 234
 235 class RTSPClientVlc : public RTSPClient
 236 {
 237 public:
 238     RTSPClientVlc( UsageEnvironment& env, char const* rtspURL, int verbosityLevel,
 239                    char const* applicationName, portNumBits tunnelOverHTTPPortNum,
 240                    demux_sys_t *p_sys) :
 241                    RTSPClient( env, rtspURL, verbosityLevel, applicationName,
 242                    tunnelOverHTTPPortNum )
 243     {
 244         this->p_sys = p_sys;
 245     }
 246     demux_sys_t *p_sys;
 247 };
 248
 249 static int Demux  ( demux_t * );
 250 static int Control( demux_t *, int, va_list );
 251
 252 static int Connect      ( demux_t * );
 253 static int SessionsSetup( demux_t * );
 254 static int Play         ( demux_t *);
 255 static int ParseASF     ( demux_t * );
 256 static int RollOverTcp  ( demux_t * );
 257
 258 static void StreamRead  ( void *, unsigned int, unsigned int,
 259                           struct timeval, unsigned int );
 260 static void StreamClose ( void * );
 261 static void TaskInterrupt( void * );
 262
 263 static void* TimeoutPrevention( void * );
 264
 265 static unsigned char* parseH264ConfigStr( char const* configStr,
 266                                           unsigned int& configSize );
 267
 268 /*****************************************************************************
 269  * DemuxOpen:
 270  *****************************************************************************/
 271 static int  Open ( vlc_object_t *p_this )
 272 {
 273     demux_t     *p_demux = (demux_t*)p_this;
 274     demux_sys_t *p_sys = NULL;
 275
 276     int i_return;
 277     int i_error = VLC_EGENERIC;
 278
 279     if( p_demux->s )
 280     {
 281         /* See if it looks like a SDP
 282            v, o, s fields are mandatory and in this order */
 283         const uint8_t *p_peek;
 284         if( stream_Peek( p_demux->s, &p_peek, 7 ) < 7 ) return VLC_EGENERIC;
 285
 286         if( memcmp( p_peek, "v=0\r\n", 5 ) &&
 287             memcmp( p_peek, "v=0\n", 4 ) &&
 288             ( p_peek[0] < 'a' || p_peek[0] > 'z' || p_peek[1] != '=' ) )
 289         {
 290             return VLC_EGENERIC;
 291         }
 292     }
 293     var_Create( p_demux, "rtsp-caching", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
 294
 295     p_demux->pf_demux  = Demux;
 296     p_demux->pf_control= Control;
 297     p_demux->p_sys     = p_sys = (demux_sys_t*)malloc( sizeof( demux_sys_t ) );
 298     if( !p_sys ) return VLC_ENOMEM;
 299
 300     p_sys->p_sdp = NULL;
 301     p_sys->scheduler = NULL;
 302     p_sys->env = NULL;
 303     p_sys->ms = NULL;
 304     p_sys->rtsp = NULL;
 305     p_sys->i_track = 0;
 306     p_sys->track   = NULL;
 307     p_sys->i_pcr = 0;
 308     p_sys->i_npt = 0.;
 309     p_sys->i_npt_start = 0.;
 310     p_sys->i_npt_length = 0.;
 311     p_sys->p_out_asf = NULL;
 312     p_sys->b_no_data = true;
 313     p_sys->i_no_data_ti = 0;
 314     p_sys->p_timeout = NULL;
 315     p_sys->i_timeout = 0;
 316     p_sys->b_timeout_call = false;
 317     p_sys->b_multicast = false;
 318     p_sys->b_real = false;
 319     p_sys->psz_path = strdup( p_demux->psz_location );
 320     p_sys->b_force_mcast = var_InheritBool( p_demux, "rtsp-mcast" );
 321     p_sys->b_get_param = false;
 322     p_sys->b_paused = false;
 323     p_sys->f_seek_request = -1;
 324     p_sys->b_error = false;
 325     p_sys->i_live555_ret = 0;
 326
 327     /* parse URL for rtsp://[user:[passwd]@]serverip:port/options */
 328     vlc_UrlParse( &p_sys->url, p_sys->psz_path, 0 );
 329
 330     if( ( p_sys->scheduler = BasicTaskScheduler::createNew() ) == NULL )
 331     {
 332         msg_Err( p_demux, "BasicTaskScheduler::createNew failed" );
 333         goto error;
 334     }
 335     if( !( p_sys->env = BasicUsageEnvironment::createNew(*p_sys->scheduler) ) )
 336     {
 337         msg_Err( p_demux, "BasicUsageEnvironment::createNew failed" );
 338         goto error;
 339     }
 340
 341     if( strcasecmp( p_demux->psz_access, "sdp" ) )
 342     {
 343         char *p = p_sys->psz_path;
 344         while( (p = strchr( p, ' ' )) != NULL ) *p = '+';
 345     }
 346
 347     if( p_demux->s != NULL )
 348     {
 349         /* Gather the complete sdp file */
 350         int     i_sdp       = 0;
 351         int     i_sdp_max   = 1000;
 352         uint8_t *p_sdp      = (uint8_t*) malloc( i_sdp_max );
 353
 354         if( !p_sdp )
 355         {
 356             i_error = VLC_ENOMEM;
 357             goto error;
 358         }
 359
 360         for( ;; )
 361         {
 362             int i_read = stream_Read( p_demux->s, &p_sdp[i_sdp],
 363                                       i_sdp_max - i_sdp - 1 );
 364
 365             if( !vlc_object_alive (p_demux) )
 366             {
 367                 free( p_sdp );
 368                 goto error;
 369             }
 370
 371             if( i_read < 0 )
 372             {
 373                 msg_Err( p_demux, "failed to read SDP" );
 374                 free( p_sdp );
 375                 goto error;
 376             }
 377
 378             i_sdp += i_read;
 379
 380             if( i_read < i_sdp_max - i_sdp - 1 )
 381             {
 382                 p_sdp[i_sdp] = '\0';
 383                 break;
 384             }
 385
 386             i_sdp_max += 1000;
 387             p_sdp = (uint8_t*)xrealloc( p_sdp, i_sdp_max );
 388         }
 389         p_sys->p_sdp = (char*)p_sdp;
 390     }
 391     else if( ( p_demux->s == NULL ) &&
 392              !strcasecmp( p_demux->psz_access, "sdp" ) )
 393     {
 394         /* sdp:// link from SAP */
 395         p_sys->p_sdp = strdup( p_sys->psz_path );
 396     }
 397     else if( ( i_return = Connect( p_demux ) ) != VLC_SUCCESS )
 398     {
 399         msg_Err( p_demux, "Failed to connect with rtsp://%s", p_sys->psz_path );
 400         goto error;
 401     }
 402
 403     if( p_sys->p_sdp == NULL )
 404     {
 405         msg_Err( p_demux, "Failed to retrieve the RTSP Session Description" );
 406         i_error = VLC_ENOMEM;
 407         goto error;
 408     }
 409
 410     if( ( i_return = SessionsSetup( p_demux ) ) != VLC_SUCCESS )
 411     {
 412         msg_Err( p_demux, "Nothing to play for rtsp://%s", p_sys->psz_path );
 413         goto error;
 414     }
 415
 416     if( p_sys->b_real ) goto error;
 417
 418     if( ( i_return = Play( p_demux ) ) != VLC_SUCCESS )
 419         goto error;
 420
 421     if( p_sys->p_out_asf && ParseASF( p_demux ) )
 422     {
 423         msg_Err( p_demux, "cannot find a usable asf header" );
 424         /* TODO Clean tracks */
 425         goto error;
 426     }
 427
 428     if( p_sys->i_track <= 0 )
 429         goto error;
 430
 431     return VLC_SUCCESS;
 432
 433 error:
 434     Close( p_this );
 435     return i_error;
 436 }
 437
 438 /*****************************************************************************
 439  * DemuxClose:
 440  *****************************************************************************/
 441 static void Close( vlc_object_t *p_this )
 442 {
 443     demux_t *p_demux = (demux_t*)p_this;
 444     demux_sys_t *p_sys = p_demux->p_sys;
 445
 446     if( p_sys->rtsp && p_sys->ms ) p_sys->rtsp->sendTeardownCommand( *p_sys->ms, NULL );
 447     if( p_sys->ms ) Medium::close( p_sys->ms );
 448     if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp );
 449     if( p_sys->env ) p_sys->env->reclaim();
 450
 451     for( int i = 0; i < p_sys->i_track; i++ )
 452     {
 453         live_track_t *tk = p_sys->track[i];
 454
 455         if( tk->b_muxed ) stream_Delete( tk->p_out_muxed );
 456         es_format_Clean( &tk->fmt );
 457         free( tk->p_buffer );
 458         free( tk );
 459     }
 460
 461     if( p_sys->i_track ) free( p_sys->track );
 462     if( p_sys->p_out_asf ) stream_Delete( p_sys->p_out_asf );
 463     if( p_sys->p_timeout )
 464     {
 465         vlc_cancel( p_sys->p_timeout->handle );
 466         vlc_join( p_sys->p_timeout->handle, NULL );
 467         free( p_sys->p_timeout );
 468     }
 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 = 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 = 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, TaskInterrupt,
 501                                                       p_demux );
 502     }
 503     p_sys->event = 0;
 504     p_sys->b_error = true;
 505     p_sys->i_live555_ret = 0;
 506     p_sys->scheduler->doEventLoop( &p_sys->event );
 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     char* sdpDescription = result_string;
 522     p_sys->i_live555_ret = result_code;
 523     if ( result_code != 0 )
 524     {
 525         delete[] sdpDescription;
 526         return;
 527     }
 528     free( p_sys->p_sdp );
 529     p_sys->p_sdp = NULL;
 530     if( sdpDescription )
 531     {
 532         p_sys->p_sdp = strdup( sdpDescription );
 533         delete[] sdpDescription;
 534     }
 535     p_sys->b_error = false;
 536     p_sys->event = 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 = 1;
 549     }
 550     else
 551     {
 552         p_sys->b_get_param = (bool)strstr( result_string, "GET_PARAMETER" );
 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     char *psz_options = NULL;
 569     char *p_sdp       = NULL;
 570     int  i_http_port  = 0;
 571     int  i_ret        = VLC_SUCCESS;
 572     const int i_timeout = var_InheritInteger( p_demux, "ipv4-timeout" );
 573
 574     /* Get the user name and password */
 575     if( p_sys->url.psz_username || p_sys->url.psz_password )
 576     {
 577         /* Create the URL by stripping away the username/password part */
 578         if( p_sys->url.i_port == 0 )
 579             p_sys->url.i_port = 554;
 580         if( asprintf( &psz_url, "rtsp://%s:%d%s",
 581                       strempty( p_sys->url.psz_host ),
 582                       p_sys->url.i_port,
 583                       strempty( p_sys->url.psz_path ) ) == -1 )
 584             return VLC_ENOMEM;
 585
 586         psz_user = strdup( strempty( p_sys->url.psz_username ) );
 587         psz_pwd  = strdup( strempty( p_sys->url.psz_password ) );
 588     }
 589     else
 590     {
 591         if( asprintf( &psz_url, "rtsp://%s", p_sys->psz_path ) == -1 )
 592             return VLC_ENOMEM;
 593
 594         psz_user = var_InheritString( p_demux, "rtsp-user" );
 595         psz_pwd  = var_InheritString( p_demux, "rtsp-pwd" );
 596     }
 597
 598 createnew:
 599     if( !vlc_object_alive (p_demux) )
 600     {
 601         i_ret = VLC_EGENERIC;
 602         goto bailout;
 603     }
 604
 605     if( var_InheritBool( p_demux, "rtsp-http" ) )
 606         i_http_port = var_InheritInteger( p_demux, "rtsp-http-port" );
 607
 608     p_sys->rtsp = new RTSPClientVlc( *p_sys->env, psz_url,
 609                                      var_InheritInteger( p_demux, "verbose" ) > 1 ? 1 : 0,
 610                                      "LibVLC/"VERSION, i_http_port, p_sys );
 611     if( !p_sys->rtsp )
 612     {
 613         msg_Err( p_demux, "RTSPClient::createNew failed (%s)",
 614                  p_sys->env->getResultMsg() );
 615         i_ret = VLC_EGENERIC;
 616         goto bailout;
 617     }
 618
 619     /* Kasenna enables KeepAlive by analysing the User-Agent string.
 620      * Appending _KA to the string should be enough to enable this feature,
 621      * however, there is a bug where the _KA doesn't get parsed from the
 622      * default User-Agent as created by VLC/Live555 code. This is probably due
 623      * to spaces in the string or the string being too long. Here we override
 624      * the default string with a more compact version.
 625      */
 626     if( var_InheritBool( p_demux, "rtsp-kasenna" ))
 627     {
 628         p_sys->rtsp->setUserAgentString( "VLC_MEDIA_PLAYER_KA" );
 629     }
 630
 631 describe:
 632     authenticator.setUsernameAndPassword( psz_user, psz_pwd );
 633
 634     p_sys->rtsp->sendOptionsCommand( &continueAfterOPTIONS, &authenticator );
 635
 636     if( !wait_Live555_response( p_demux, i_timeout ) )
 637     {
 638         int i_code = p_sys->i_live555_ret;
 639         if( i_code == 401 )
 640         {
 641             msg_Dbg( p_demux, "authentication failed" );
 642
 643             free( psz_user );
 644             free( psz_pwd );
 645             dialog_Login( p_demux, &psz_user, &psz_pwd,
 646                           _("RTSP authentication"), "%s",
 647                         _("Please enter a valid login name and a password.") );
 648             if( psz_user != NULL && psz_pwd != NULL )
 649             {
 650                 msg_Dbg( p_demux, "retrying with user=%s", psz_user );
 651                 goto describe;
 652             }
 653         }
 654         else if( (i_code > 0) && !var_GetBool( p_demux, "rtsp-http" ) )
 655         {
 656             /* Perhaps a firewall is being annoying. Try HTTP tunneling mode */
 657             msg_Dbg( p_demux, "we will now try HTTP tunneling mode" );
 658             var_SetBool( p_demux, "rtsp-http", true );
 659             if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp );
 660             p_sys->rtsp = NULL;
 661             goto createnew;
 662         }
 663         else
 664         {
 665             if( i_code == 0 )
 666                 msg_Dbg( p_demux, "connection timeout" );
 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_InheritBool( 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_FOURCC( 't', 'w', 'o', 's' );
 853                     tk->fmt.audio.i_bitspersample = 16;
 854                 }
 855                 else if( !strcmp( sub->codecName(), "L8" ) )
 856                 {
 857                     tk->fmt.i_codec = VLC_FOURCC( 'a', 'r', 'a', 'w' );
 858                     tk->fmt.audio.i_bitspersample = 8;
 859                 }
 860                 else if( !strcmp( sub->codecName(), "PCMU" ) )
 861                 {
 862                     tk->fmt.i_codec = VLC_CODEC_MULAW;
 863                 }
 864                 else if( !strcmp( sub->codecName(), "PCMA" ) )
 865                 {
 866                     tk->fmt.i_codec = VLC_CODEC_ALAW;
 867                 }
 868                 else if( !strncmp( sub->codecName(), "G726", 4 ) )
 869                 {
 870                     tk->fmt.i_codec = VLC_CODEC_ADPCM_G726;
 871                     tk->fmt.audio.i_rate = 8000;
 872                     tk->fmt.audio.i_channels = 1;
 873                     if( !strcmp( sub->codecName()+5, "40" ) )
 874                         tk->fmt.i_bitrate = 40000;
 875                     else if( !strcmp( sub->codecName()+5, "32" ) )
 876                         tk->fmt.i_bitrate = 32000;
 877                     else if( !strcmp( sub->codecName()+5, "24" ) )
 878                         tk->fmt.i_bitrate = 24000;
 879                     else if( !strcmp( sub->codecName()+5, "16" ) )
 880                         tk->fmt.i_bitrate = 16000;
 881                 }
 882                 else if( !strcmp( sub->codecName(), "AMR" ) )
 883                 {
 884                     tk->fmt.i_codec = VLC_CODEC_AMR_NB;
 885                 }
 886                 else if( !strcmp( sub->codecName(), "AMR-WB" ) )
 887                 {
 888                     tk->fmt.i_codec = VLC_CODEC_AMR_WB;
 889                 }
 890                 else if( !strcmp( sub->codecName(), "MP4A-LATM" ) )
 891                 {
 892                     unsigned int i_extra;
 893                     uint8_t      *p_extra;
 894
 895                     tk->fmt.i_codec = VLC_CODEC_MP4A;
 896
 897                     if( ( p_extra = parseStreamMuxConfigStr( sub->fmtp_config(),
 898                                                              i_extra ) ) )
 899                     {
 900                         tk->fmt.i_extra = i_extra;
 901                         tk->fmt.p_extra = xmalloc( i_extra );
 902                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
 903                         delete[] p_extra;
 904                     }
 905                     /* Because the "faad" decoder does not handle the LATM
 906                      * data length field at the start of each returned LATM
 907                      * frame, tell the RTP source to omit it. */
 908                     ((MPEG4LATMAudioRTPSource*)sub->rtpSource())->omitLATMDataLengthField();
 909                 }
 910                 else if( !strcmp( sub->codecName(), "MPEG4-GENERIC" ) )
 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 = parseGeneralConfigStr( 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                 }
 926                 else if( !strcmp( sub->codecName(), "X-ASF-PF" ) )
 927                 {
 928                     tk->b_asf = true;
 929                     if( p_sys->p_out_asf == NULL )
 930                         p_sys->p_out_asf = stream_DemuxNew( p_demux, "asf",
 931                                                             p_demux->out );
 932                 }
 933                 else if( !strcmp( sub->codecName(), "X-QT" ) ||
 934                          !strcmp( sub->codecName(), "X-QUICKTIME" ) )
 935                 {
 936                     tk->b_quicktime = true;
 937                 }
 938                 else if( !strcmp( sub->codecName(), "SPEEX" ) )
 939                 {
 940                     tk->fmt.i_codec = VLC_FOURCC( 's', 'p', 'x', 'r' );
 941                     if ( sub->rtpTimestampFrequency() )
 942                         tk->fmt.audio.i_rate = sub->rtpTimestampFrequency();
 943                     else
 944                     {
 945                         msg_Warn( p_demux,"Using 8kHz as default sample rate." );
 946                         tk->fmt.audio.i_rate = 8000;
 947                     }
 948                 }
 949             }
 950             else if( !strcmp( sub->mediumName(), "video" ) )
 951             {
 952                 es_format_Init( &tk->fmt, VIDEO_ES, VLC_FOURCC('u','n','d','f') );
 953                 if( !strcmp( sub->codecName(), "MPV" ) )
 954                 {
 955                     tk->fmt.i_codec = VLC_CODEC_MPGV;
 956                     tk->fmt.b_packetized = false;
 957                 }
 958                 else if( !strcmp( sub->codecName(), "H263" ) ||
 959                          !strcmp( sub->codecName(), "H263-1998" ) ||
 960                          !strcmp( sub->codecName(), "H263-2000" ) )
 961                 {
 962                     tk->fmt.i_codec = VLC_CODEC_H263;
 963                 }
 964                 else if( !strcmp( sub->codecName(), "H261" ) )
 965                 {
 966                     tk->fmt.i_codec = VLC_CODEC_H261;
 967                 }
 968                 else if( !strcmp( sub->codecName(), "H264" ) )
 969                 {
 970                     unsigned int i_extra = 0;
 971                     uint8_t      *p_extra = NULL;
 972
 973                     tk->fmt.i_codec = VLC_CODEC_H264;
 974                     tk->fmt.b_packetized = false;
 975
 976                     if((p_extra=parseH264ConfigStr( sub->fmtp_spropparametersets(),
 977                                                     i_extra ) ) )
 978                     {
 979                         tk->fmt.i_extra = i_extra;
 980                         tk->fmt.p_extra = xmalloc( i_extra );
 981                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
 982
 983                         delete[] p_extra;
 984                     }
 985                 }
 986                 else if( !strcmp( sub->codecName(), "JPEG" ) )
 987                 {
 988                     tk->fmt.i_codec = VLC_CODEC_MJPG;
 989                 }
 990                 else if( !strcmp( sub->codecName(), "MP4V-ES" ) )
 991                 {
 992                     unsigned int i_extra;
 993                     uint8_t      *p_extra;
 994
 995                     tk->fmt.i_codec = VLC_CODEC_MP4V;
 996
 997                     if( ( p_extra = parseGeneralConfigStr( sub->fmtp_config(),
 998                                                            i_extra ) ) )
 999                     {
1000                         tk->fmt.i_extra = i_extra;
1001                         tk->fmt.p_extra = xmalloc( i_extra );
1002                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
1003                         delete[] p_extra;
1004                     }
1005                 }
1006                 else if( !strcmp( sub->codecName(), "X-QT" ) ||
1007                          !strcmp( sub->codecName(), "X-QUICKTIME" ) ||
1008                          !strcmp( sub->codecName(), "X-QDM" ) ||
1009                          !strcmp( sub->codecName(), "X-SV3V-ES" )  ||
1010                          !strcmp( sub->codecName(), "X-SORENSONVIDEO" ) )
1011                 {
1012                     tk->b_quicktime = true;
1013                 }
1014                 else if( !strcmp( sub->codecName(), "MP2T" ) )
1015                 {
1016                     tk->b_muxed = true;
1017                     tk->p_out_muxed = stream_DemuxNew( p_demux, "ts", p_demux->out );
1018                 }
1019                 else if( !strcmp( sub->codecName(), "MP2P" ) ||
1020                          !strcmp( sub->codecName(), "MP1S" ) )
1021                 {
1022                     tk->b_muxed = true;
1023                     tk->p_out_muxed = stream_DemuxNew( p_demux, "ps",
1024                                                        p_demux->out );
1025                 }
1026                 else if( !strcmp( sub->codecName(), "X-ASF-PF" ) )
1027                 {
1028                     tk->b_asf = true;
1029                     if( p_sys->p_out_asf == NULL )
1030                         p_sys->p_out_asf = stream_DemuxNew( p_demux, "asf",
1031                                                             p_demux->out );;
1032                 }
1033                 else if( !strcmp( sub->codecName(), "DV" ) )
1034                 {
1035                     tk->b_muxed = true;
1036                     tk->b_discard_trunc = true;
1037                     tk->p_out_muxed = stream_DemuxNew( p_demux, "rawdv",
1038                                                        p_demux->out );
1039                 }
1040             }
1041             else if( !strcmp( sub->mediumName(), "text" ) )
1042             {
1043                 es_format_Init( &tk->fmt, SPU_ES, VLC_FOURCC('u','n','d','f') );
1044
1045                 if( !strcmp( sub->codecName(), "T140" ) )
1046                 {
1047                     tk->fmt.i_codec = VLC_CODEC_ITU_T140;
1048                 }
1049             }
1050
1051             if( !tk->b_quicktime && !tk->b_muxed && !tk->b_asf )
1052             {
1053                 tk->p_es = es_out_Add( p_demux->out, &tk->fmt );
1054             }
1055
1056             if( sub->rtcpInstance() != NULL )
1057             {
1058                 sub->rtcpInstance()->setByeHandler( StreamClose, tk );
1059             }
1060
1061             if( tk->p_es || tk->b_quicktime || tk->b_muxed || tk->b_asf )
1062             {
1063                 /* Append */
1064                 p_sys->track = (live_track_t**)xrealloc( p_sys->track,
1065                             sizeof( live_track_t ) * ( p_sys->i_track + 1 ) );
1066                 p_sys->track[p_sys->i_track++] = tk;
1067             }
1068             else
1069             {
1070                 /* BUG ??? */
1071                 msg_Err( p_demux, "unusable RTSP track. this should not happen" );
1072                 es_format_Clean( &tk->fmt );
1073                 free( tk );
1074             }
1075         }
1076     }
1077     delete iter;
1078     if( p_sys->i_track <= 0 ) i_return = VLC_EGENERIC;
1079
1080     /* Retrieve the starttime if possible */
1081     p_sys->i_npt_start = p_sys->ms->playStartTime();
1082
1083     /* Retrieve the duration if possible */
1084     p_sys->i_npt_length = p_sys->ms->playEndTime();
1085
1086     /* */
1087     msg_Dbg( p_demux, "setup start: %f stop:%f", p_sys->i_npt_start, p_sys->i_npt_length );
1088
1089     /* */
1090     p_sys->b_no_data = true;
1091     p_sys->i_no_data_ti = 0;
1092
1093     return i_return;
1094 }
1095
1096 /*****************************************************************************
1097  * Play: starts the actual playback of the stream
1098  *****************************************************************************/
1099 static int Play( demux_t *p_demux )
1100 {
1101     demux_sys_t *p_sys = p_demux->p_sys;
1102
1103     if( p_sys->rtsp )
1104     {
1105         /* The PLAY */
1106         p_sys->rtsp->sendPlayCommand( *p_sys->ms, default_live555_callback, p_sys->i_npt_start, -1, 1 );
1107
1108         if( !wait_Live555_response(p_demux) )
1109         {
1110             msg_Err( p_demux, "RTSP PLAY failed %s", p_sys->env->getResultMsg() );
1111             return VLC_EGENERIC;
1112         }
1113
1114         /* Retrieve the timeout value and set up a timeout prevention thread */
1115         p_sys->i_timeout = p_sys->rtsp->sessionTimeoutParameter();
1116         if( p_sys->i_timeout <= 0 )
1117             p_sys->i_timeout = 60; /* default value from RFC2326 */
1118
1119         /* start timeout-thread only if GET_PARAMETER is supported by the server */
1120         if( !p_sys->p_timeout && p_sys->b_get_param )
1121         {
1122             msg_Dbg( p_demux, "We have a timeout of %d seconds",  p_sys->i_timeout );
1123             p_sys->p_timeout = (timeout_thread_t *)malloc( sizeof(timeout_thread_t) );
1124             if( p_sys->p_timeout )
1125             {
1126                 memset( p_sys->p_timeout, 0, sizeof(timeout_thread_t) );
1127                 p_sys->p_timeout->p_sys = p_demux->p_sys; /* lol, object recursion :D */
1128                 if( vlc_clone( &p_sys->p_timeout->handle,  TimeoutPrevention,
1129                                p_sys->p_timeout, VLC_THREAD_PRIORITY_LOW ) )
1130                 {
1131                     msg_Err( p_demux, "cannot spawn liveMedia timeout thread" );
1132                     free( p_sys->p_timeout );
1133                     p_sys->p_timeout = NULL;
1134                 }
1135                 else
1136                     msg_Dbg( p_demux, "spawned timeout thread" );
1137             }
1138             else
1139                 msg_Err( p_demux, "cannot spawn liveMedia timeout thread" );
1140         }
1141     }
1142     p_sys->i_pcr = 0;
1143
1144     /* Retrieve the starttime if possible */
1145     p_sys->i_npt_start = p_sys->ms->playStartTime();
1146     if( p_sys->ms->playEndTime() > 0 )
1147         p_sys->i_npt_length = p_sys->ms->playEndTime();
1148
1149     msg_Dbg( p_demux, "play start: %f stop:%f", p_sys->i_npt_start, p_sys->i_npt_length );
1150     return VLC_SUCCESS;
1151 }
1152
1153
1154 /*****************************************************************************
1155  * Demux:
1156  *****************************************************************************/
1157 static int Demux( demux_t *p_demux )
1158 {
1159     demux_sys_t    *p_sys = p_demux->p_sys;
1160     TaskToken      task;
1161
1162     bool            b_send_pcr = true;
1163     int64_t         i_pcr = 0;
1164     int             i;
1165
1166     /* Check if we need to send the server a Keep-A-Live signal */
1167     if( p_sys->b_timeout_call && p_sys->rtsp && p_sys->ms )
1168     {
1169         char *psz_bye = NULL;
1170         p_sys->rtsp->sendGetParameterCommand( *p_sys->ms, NULL, psz_bye );
1171         p_sys->b_timeout_call = false;
1172     }
1173
1174     for( i = 0; i < p_sys->i_track; i++ )
1175     {
1176         live_track_t *tk = p_sys->track[i];
1177
1178         if( tk->b_asf || tk->b_muxed )
1179             b_send_pcr = false;
1180 #if 0
1181         if( i_pcr == 0 )
1182         {
1183             i_pcr = tk->i_pts;
1184         }
1185         else if( tk->i_pts != 0 && i_pcr > tk->i_pts )
1186         {
1187             i_pcr = tk->i_pts ;
1188         }
1189 #endif
1190     }
1191     if( p_sys->i_pcr > 0 )
1192     {
1193         if( b_send_pcr )
1194             es_out_Control( p_demux->out, ES_OUT_SET_PCR, 1 + p_sys->i_pcr );
1195     }
1196
1197     /* First warn we want to read data */
1198     p_sys->event = 0;
1199     for( i = 0; i < p_sys->i_track; i++ )
1200     {
1201         live_track_t *tk = p_sys->track[i];
1202
1203         if( tk->waiting == 0 )
1204         {
1205             tk->waiting = 1;
1206             tk->sub->readSource()->getNextFrame( tk->p_buffer, tk->i_buffer,
1207                                           StreamRead, tk, StreamClose, tk );
1208         }
1209     }
1210     /* Create a task that will be called if we wait more than 300ms */
1211     task = p_sys->scheduler->scheduleDelayedTask( 300000, TaskInterrupt, p_demux );
1212
1213     /* Do the read */
1214     p_sys->scheduler->doEventLoop( &p_sys->event );
1215
1216     /* remove the task */
1217     p_sys->scheduler->unscheduleDelayedTask( task );
1218
1219     /* Check for gap in pts value */
1220     for( i = 0; i < p_sys->i_track; i++ )
1221     {
1222         live_track_t *tk = p_sys->track[i];
1223
1224         if( !tk->b_muxed && !tk->b_rtcp_sync &&
1225             tk->sub->rtpSource() && tk->sub->rtpSource()->hasBeenSynchronizedUsingRTCP() )
1226         {
1227             msg_Dbg( p_demux, "tk->rtpSource->hasBeenSynchronizedUsingRTCP()" );
1228
1229             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
1230             tk->b_rtcp_sync = true;
1231             /* reset PCR */
1232             tk->i_pts = VLC_TS_INVALID;
1233             tk->i_npt = 0.;
1234             p_sys->i_pcr = 0;
1235             p_sys->i_npt = 0.;
1236             i_pcr = 0;
1237         }
1238     }
1239
1240     if( p_sys->b_multicast && p_sys->b_no_data &&
1241         ( p_sys->i_no_data_ti > 120 ) )
1242     {
1243         /* FIXME Make this configurable
1244         msg_Err( p_demux, "no multicast data received in 36s, aborting" );
1245         return 0;
1246         */
1247     }
1248     else if( !p_sys->b_multicast && !p_sys->b_paused &&
1249               p_sys->b_no_data && ( p_sys->i_no_data_ti > 34 ) )
1250     {
1251         bool b_rtsp_tcp = var_GetBool( p_demux, "rtsp-tcp" ) ||
1252                                 var_GetBool( p_demux, "rtsp-http" );
1253
1254         if( !b_rtsp_tcp && p_sys->rtsp && p_sys->ms )
1255         {
1256             msg_Warn( p_demux, "no data received in 10s. Switching to TCP" );
1257             if( RollOverTcp( p_demux ) )
1258             {
1259                 msg_Err( p_demux, "TCP rollover failed, aborting" );
1260                 return 0;
1261             }
1262             return 1;
1263         }
1264         msg_Err( p_demux, "no data received in 10s, aborting" );
1265         return 0;
1266     }
1267     else if( !p_sys->b_multicast && !p_sys->b_paused &&
1268              ( p_sys->i_no_data_ti > 34 ) )
1269     {
1270         /* EOF ? */
1271         msg_Warn( p_demux, "no data received in 10s, eof ?" );
1272         return 0;
1273     }
1274     return p_sys->b_error ? 0 : 1;
1275 }
1276
1277 /*****************************************************************************
1278  * Control:
1279  *****************************************************************************/
1280 static int Control( demux_t *p_demux, int i_query, va_list args )
1281 {
1282     demux_sys_t *p_sys = p_demux->p_sys;
1283     int64_t *pi64, i64;
1284     double  *pf, f;
1285     bool *pb, *pb2;
1286     int *pi_int;
1287
1288     switch( i_query )
1289     {
1290         case DEMUX_GET_TIME:
1291             pi64 = (int64_t*)va_arg( args, int64_t * );
1292             if( p_sys->i_npt > 0 )
1293             {
1294                 *pi64 = (int64_t)(p_sys->i_npt * 1000000.);
1295                 return VLC_SUCCESS;
1296             }
1297             return VLC_EGENERIC;
1298
1299         case DEMUX_GET_LENGTH:
1300             pi64 = (int64_t*)va_arg( args, int64_t * );
1301             if( p_sys->i_npt_length > 0 )
1302             {
1303                 *pi64 = (int64_t)((double)p_sys->i_npt_length * 1000000.0);
1304                 return VLC_SUCCESS;
1305             }
1306             return VLC_EGENERIC;
1307
1308         case DEMUX_GET_POSITION:
1309             pf = (double*)va_arg( args, double* );
1310             if( (p_sys->i_npt_length > 0) && (p_sys->i_npt > 0) )
1311             {
1312                 *pf = ( (double)p_sys->i_npt / (double)p_sys->i_npt_length );
1313                 return VLC_SUCCESS;
1314             }
1315             return VLC_EGENERIC;
1316
1317         case DEMUX_SET_POSITION:
1318         case DEMUX_SET_TIME:
1319             if( p_sys->rtsp && (p_sys->i_npt_length > 0) )
1320             {
1321                 int i;
1322                 float time;
1323
1324                 if( (i_query == DEMUX_SET_TIME) && (p_sys->i_npt > 0) )
1325                 {
1326                     i64 = (int64_t)va_arg( args, int64_t );
1327                     time = (float)((double)i64 / (double)1000000.0); /* in second */
1328                 }
1329                 else if( i_query == DEMUX_SET_TIME )
1330                     return VLC_EGENERIC;
1331                 else
1332                 {
1333                     f = (double)va_arg( args, double );
1334                     time = f * (double)p_sys->i_npt_length;   /* in second */
1335                 }
1336
1337                 if( p_sys->b_paused )
1338                 {
1339                     p_sys->f_seek_request = time;
1340                     return VLC_SUCCESS;
1341                 }
1342
1343                 p_sys->rtsp->sendPauseCommand( *p_sys->ms, default_live555_callback );
1344
1345                 if( !wait_Live555_response( p_demux ) )
1346                 {
1347                     msg_Err( p_demux, "PAUSE before seek failed %s",
1348                         p_sys->env->getResultMsg() );
1349                     return VLC_EGENERIC;
1350                 }
1351
1352                 p_sys->rtsp->sendPlayCommand( *p_sys->ms, default_live555_callback, time, -1, 1 );
1353
1354                 if( !wait_Live555_response( p_demux ) )
1355                 {
1356                     msg_Err( p_demux, "seek PLAY failed %s",
1357                         p_sys->env->getResultMsg() );
1358                     return VLC_EGENERIC;
1359                 }
1360                 p_sys->i_pcr = 0;
1361
1362                 /* Retrieve RTP-Info values */
1363                 for( i = 0; i < p_sys->i_track; i++ )
1364                 {
1365                     p_sys->track[i]->b_rtcp_sync = false;
1366                     p_sys->track[i]->i_pts = VLC_TS_INVALID;
1367                 }
1368
1369                 /* Retrieve the starttime if possible */
1370                 p_sys->i_npt = p_sys->i_npt_start = p_sys->ms->playStartTime();
1371
1372                 /* Retrieve the duration if possible */
1373                 if( p_sys->ms->playEndTime() > 0 )
1374                     p_sys->i_npt_length = p_sys->ms->playEndTime();
1375
1376                 msg_Dbg( p_demux, "seek start: %f stop:%f", p_sys->i_npt_start, p_sys->i_npt_length );
1377                 return VLC_SUCCESS;
1378             }
1379             return VLC_EGENERIC;
1380
1381         /* Special for access_demux */
1382         case DEMUX_CAN_PAUSE:
1383         case DEMUX_CAN_SEEK:
1384             pb = (bool*)va_arg( args, bool * );
1385             if( p_sys->rtsp && p_sys->i_npt_length > 0 )
1386                 /* Not always true, but will be handled in SET_PAUSE_STATE */
1387                 *pb = true;
1388             else
1389                 *pb = false;
1390             return VLC_SUCCESS;
1391
1392         case DEMUX_CAN_CONTROL_PACE:
1393             pb = (bool*)va_arg( args, bool * );
1394
1395 #if 1       /* Disable for now until we have a clock synchro algo
1396              * which works with something else than MPEG over UDP */
1397             *pb = false;
1398 #else
1399             *pb = true;
1400 #endif
1401             return VLC_SUCCESS;
1402
1403         case DEMUX_CAN_CONTROL_RATE:
1404             pb = (bool*)va_arg( args, bool * );
1405             pb2 = (bool*)va_arg( args, bool * );
1406
1407             *pb = (p_sys->rtsp != NULL) &&
1408                     (p_sys->i_npt_length > 0) &&
1409                     ( !var_GetBool( p_demux, "rtsp-kasenna" ) ||
1410                       !var_GetBool( p_demux, "rtsp-wmserver" ) );
1411             *pb2 = false;
1412             return VLC_SUCCESS;
1413
1414         case DEMUX_SET_RATE:
1415         {
1416             double f_scale, f_old_scale;
1417
1418             if( !p_sys->rtsp || (p_sys->i_npt_length <= 0) ||
1419                 var_GetBool( p_demux, "rtsp-kasenna" ) ||
1420                 var_GetBool( p_demux, "rtsp-wmserver" ) )
1421                 return VLC_EGENERIC;
1422
1423             /* According to RFC 2326 p56 chapter 12.35 a RTSP server that
1424              * supports Scale:
1425              *
1426              * "[...] should try to approximate the viewing rate, but
1427              *  may restrict the range of scale values that it supports.
1428              *  The response MUST contain the actual scale value chosen
1429              *  by the server."
1430              *
1431              * Scale = 1 indicates normal play
1432              * Scale > 1 indicates fast forward
1433              * Scale < 1 && Scale > 0 indicates slow motion
1434              * Scale < 0 value indicates rewind
1435              */
1436
1437             pi_int = (int*)va_arg( args, int * );
1438             f_scale = (double)INPUT_RATE_DEFAULT / (*pi_int);
1439             f_old_scale = p_sys->ms->scale();
1440
1441             /* Passing -1 for the start and end time will mean liveMedia won't
1442              * create a Range: section for the RTSP message. The server should
1443              * pick up from the current position */
1444             p_sys->rtsp->sendPlayCommand( *p_sys->ms, default_live555_callback, -1, -1, f_scale );
1445
1446             if( !wait_Live555_response( p_demux ) )
1447             {
1448                 msg_Err( p_demux, "PLAY with Scale %0.2f failed %s", f_scale,
1449                         p_sys->env->getResultMsg() );
1450                 return VLC_EGENERIC;
1451             }
1452
1453             if( p_sys->ms->scale() == f_old_scale )
1454             {
1455                 msg_Err( p_demux, "no scale change using old Scale %0.2f",
1456                           p_sys->ms->scale() );
1457                 return VLC_EGENERIC;
1458             }
1459
1460             /* ReSync the stream */
1461             p_sys->i_npt_start = 0;
1462             p_sys->i_pcr = 0;
1463             p_sys->i_npt = 0.0;
1464
1465             *pi_int = (int)( INPUT_RATE_DEFAULT / p_sys->ms->scale() );
1466             msg_Dbg( p_demux, "PLAY with new Scale %0.2f (%d)", p_sys->ms->scale(), (*pi_int) );
1467             return VLC_SUCCESS;
1468         }
1469
1470         case DEMUX_SET_PAUSE_STATE:
1471         {
1472             bool b_pause = (bool)va_arg( args, int );
1473             if( p_sys->rtsp == NULL )
1474                 return VLC_EGENERIC;
1475
1476             if( b_pause == p_sys->b_paused )
1477                 return VLC_SUCCESS;
1478             if( b_pause )
1479                 p_sys->rtsp->sendPauseCommand( *p_sys->ms, default_live555_callback );
1480             else
1481                 p_sys->rtsp->sendPlayCommand( *p_sys->ms, default_live555_callback, p_sys->f_seek_request,
1482                                               -1.0f, p_sys->ms->scale() );
1483
1484             if( !wait_Live555_response( p_demux ) )
1485             {
1486                 msg_Err( p_demux, "PLAY or PAUSE failed %s", p_sys->env->getResultMsg() );
1487                 return VLC_EGENERIC;
1488             }
1489             p_sys->f_seek_request = -1;
1490             p_sys->b_paused = b_pause;
1491
1492             /* When we Pause, we'll need the TimeoutPrevention thread to
1493              * handle sending the "Keep Alive" message to the server.
1494              * Unfortunately Live555 isn't thread safe and so can't
1495              * do this normally while the main Demux thread is handling
1496              * a live stream. We end up with the Timeout thread blocking
1497              * waiting for a response from the server. So when we PAUSE
1498              * we set a flag that the TimeoutPrevention function will check
1499              * and if it's set, it will trigger the GET_PARAMETER message */
1500             if( p_sys->b_paused && p_sys->p_timeout != NULL )
1501                 p_sys->p_timeout->b_handle_keep_alive = true;
1502             else if( !p_sys->b_paused && p_sys->p_timeout != NULL )
1503                 p_sys->p_timeout->b_handle_keep_alive = false;
1504
1505             if( !p_sys->b_paused )
1506             {
1507                 for( int i = 0; i < p_sys->i_track; i++ )
1508                 {
1509                     live_track_t *tk = p_sys->track[i];
1510                     tk->b_rtcp_sync = false;
1511                     tk->i_pts = VLC_TS_INVALID;
1512                     p_sys->i_pcr = 0;
1513                     es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
1514                 }
1515             }
1516
1517             /* Reset data received counter */
1518             p_sys->i_no_data_ti = 0;
1519
1520             /* Retrieve the starttime if possible */
1521             p_sys->i_npt_start = p_sys->ms->playStartTime();
1522
1523             /* Retrieve the duration if possible */
1524             if( p_sys->ms->playEndTime() )
1525                 p_sys->i_npt_length = p_sys->ms->playEndTime();
1526
1527             msg_Dbg( p_demux, "pause start: %f stop:%f", p_sys->i_npt_start, p_sys->i_npt_length );
1528             return VLC_SUCCESS;
1529         }
1530         case DEMUX_GET_TITLE_INFO:
1531         case DEMUX_SET_TITLE:
1532         case DEMUX_SET_SEEKPOINT:
1533             return VLC_EGENERIC;
1534
1535         case DEMUX_GET_PTS_DELAY:
1536             pi64 = (int64_t*)va_arg( args, int64_t * );
1537             *pi64 = var_GetInteger( p_demux, "rtsp-caching" ) * 1000;
1538             return VLC_SUCCESS;
1539
1540         default:
1541             return VLC_EGENERIC;
1542     }
1543 }
1544
1545 /*****************************************************************************
1546  * RollOverTcp: reopen the rtsp into TCP mode
1547  * XXX: ugly, a lot of code are duplicated from Open()
1548  * This should REALLY be fixed
1549  *****************************************************************************/
1550 static int RollOverTcp( demux_t *p_demux )
1551 {
1552     demux_sys_t *p_sys = p_demux->p_sys;
1553     int i, i_return;
1554
1555     var_SetBool( p_demux, "rtsp-tcp", true );
1556
1557     /* We close the old RTSP session */
1558     for( i = 0; i < p_sys->i_track; i++ )
1559     {
1560         live_track_t *tk = p_sys->track[i];
1561
1562         if( tk->b_muxed ) stream_Delete( tk->p_out_muxed );
1563         if( tk->p_es ) es_out_Del( p_demux->out, tk->p_es );
1564         if( tk->p_asf_block ) block_Release( tk->p_asf_block );
1565         es_format_Clean( &tk->fmt );
1566         free( tk->p_buffer );
1567         free( tk );
1568     }
1569     if( p_sys->i_track ) free( p_sys->track );
1570     if( p_sys->p_out_asf ) stream_Delete( p_sys->p_out_asf );
1571
1572     p_sys->rtsp->sendTeardownCommand( *p_sys->ms, NULL );
1573     Medium::close( p_sys->ms );
1574     RTSPClient::close( p_sys->rtsp );
1575
1576     p_sys->ms = NULL;
1577     p_sys->rtsp = NULL;
1578     p_sys->track = NULL;
1579     p_sys->i_track = 0;
1580     p_sys->b_no_data = true;
1581     p_sys->i_no_data_ti = 0;
1582     p_sys->p_out_asf = NULL;
1583
1584     /* Reopen rtsp client */
1585     if( ( i_return = Connect( p_demux ) ) != VLC_SUCCESS )
1586     {
1587         msg_Err( p_demux, "Failed to connect with rtsp://%s",
1588                  p_sys->psz_path );
1589         goto error;
1590     }
1591
1592     if( p_sys->p_sdp == NULL )
1593     {
1594         msg_Err( p_demux, "Failed to retrieve the RTSP Session Description" );
1595         goto error;
1596     }
1597
1598     if( ( i_return = SessionsSetup( p_demux ) ) != VLC_SUCCESS )
1599     {
1600         msg_Err( p_demux, "Nothing to play for rtsp://%s", p_sys->psz_path );
1601         goto error;
1602     }
1603
1604     if( ( i_return = Play( p_demux ) ) != VLC_SUCCESS )
1605         goto error;
1606
1607     return VLC_SUCCESS;
1608
1609 error:
1610     return VLC_EGENERIC;
1611 }
1612
1613
1614 /*****************************************************************************
1615  *
1616  *****************************************************************************/
1617 static block_t *StreamParseAsf( demux_t *p_demux, live_track_t *tk,
1618                                 bool b_marker,
1619                                 const uint8_t *p_data, unsigned i_size )
1620 {
1621     const unsigned i_packet_size = p_demux->p_sys->asfh.i_min_data_packet_size;
1622     block_t *p_list = NULL;
1623
1624     while( i_size >= 4 )
1625     {
1626         unsigned i_flags = p_data[0];
1627         unsigned i_length_offset = (p_data[1] << 16) |
1628                                    (p_data[2] <<  8) |
1629                                    (p_data[3]      );
1630         bool b_key = i_flags & 0x80;
1631         bool b_length = i_flags & 0x40;
1632         bool b_relative_ts = i_flags & 0x20;
1633         bool b_duration = i_flags & 0x10;
1634         bool b_location_id = i_flags & 0x08;
1635
1636         //msg_Dbg( p_demux, "ASF: marker=%d size=%d : %c=%d id=%d",
1637         //         b_marker, i_size, b_length ? 'L' : 'O', i_length_offset );
1638         unsigned i_header_size = 4;
1639         if( b_relative_ts )
1640             i_header_size += 4;
1641         if( b_duration )
1642             i_header_size += 4;
1643         if( b_location_id )
1644             i_header_size += 4;
1645
1646         if( i_header_size > i_size )
1647         {
1648             msg_Warn( p_demux, "Invalid header size" );
1649             break;
1650         }
1651
1652         /* XXX
1653          * When b_length is true, the streams I found do not seems to respect
1654          * the documentation.
1655          * From them, I have failed to find which choice between '__MIN()' or
1656          * 'i_length_offset - i_header_size' is the right one.
1657          */
1658         unsigned i_payload;
1659         if( b_length )
1660             i_payload = __MIN( i_length_offset, i_size - i_header_size);
1661         else
1662             i_payload = i_size - i_header_size;
1663
1664         if( !tk->p_asf_block )
1665         {
1666             tk->p_asf_block = block_New( p_demux, i_packet_size );
1667             if( !tk->p_asf_block )
1668                 break;
1669             tk->p_asf_block->i_buffer = 0;
1670         }
1671         unsigned i_offset  = b_length ? 0 : i_length_offset;
1672         if( i_offset == tk->p_asf_block->i_buffer && i_offset + i_payload <= i_packet_size )
1673         {
1674             memcpy( &tk->p_asf_block->p_buffer[i_offset], &p_data[i_header_size], i_payload );
1675             tk->p_asf_block->i_buffer += i_payload;
1676             if( b_marker )
1677             {
1678                 /* We have a complete packet */
1679                 tk->p_asf_block->i_buffer = i_packet_size;
1680                 block_ChainAppend( &p_list, tk->p_asf_block );
1681                 tk->p_asf_block = NULL;
1682             }
1683         }
1684         else
1685         {
1686             /* Reset on broken stream */
1687             msg_Err( p_demux, "Broken packet detected (%d vs %zu or %d + %d vs %d)",
1688                      i_offset, tk->p_asf_block->i_buffer, i_offset, i_payload, i_packet_size);
1689             tk->p_asf_block->i_buffer = 0;
1690         }
1691
1692         /* */
1693         p_data += i_header_size + i_payload;
1694         i_size -= i_header_size + i_payload;
1695     }
1696     return p_list;
1697 }
1698
1699 /*****************************************************************************
1700  *
1701  *****************************************************************************/
1702 static void StreamRead( void *p_private, unsigned int i_size,
1703                         unsigned int i_truncated_bytes, struct timeval pts,
1704                         unsigned int duration )
1705 {
1706     live_track_t   *tk = (live_track_t*)p_private;
1707     demux_t        *p_demux = tk->p_demux;
1708     demux_sys_t    *p_sys = p_demux->p_sys;
1709     block_t        *p_block;
1710
1711     //msg_Dbg( p_demux, "pts: %d", pts.tv_sec );
1712
1713     int64_t i_pts = (int64_t)pts.tv_sec * INT64_C(1000000) +
1714         (int64_t)pts.tv_usec;
1715
1716     /* XXX Beurk beurk beurk Avoid having negative value XXX */
1717     i_pts &= INT64_C(0x00ffffffffffffff);
1718
1719     /* Retrieve NPT for this pts */
1720     tk->i_npt = tk->sub->getNormalPlayTime(pts);
1721
1722     if( tk->b_quicktime && tk->p_es == NULL )
1723     {
1724         QuickTimeGenericRTPSource *qtRTPSource =
1725             (QuickTimeGenericRTPSource*)tk->sub->rtpSource();
1726         QuickTimeGenericRTPSource::QTState &qtState = qtRTPSource->qtState;
1727         uint8_t *sdAtom = (uint8_t*)&qtState.sdAtom[4];
1728
1729         if( tk->fmt.i_cat == VIDEO_ES ) {
1730             if( qtState.sdAtomSize < 16 + 32 )
1731             {
1732                 /* invalid */
1733                 p_sys->event = 0xff;
1734                 tk->waiting = 0;
1735                 return;
1736             }
1737             tk->fmt.i_codec = VLC_FOURCC(sdAtom[0],sdAtom[1],sdAtom[2],sdAtom[3]);
1738             tk->fmt.video.i_width  = (sdAtom[28] << 8) | sdAtom[29];
1739             tk->fmt.video.i_height = (sdAtom[30] << 8) | sdAtom[31];
1740
1741             if( tk->fmt.i_codec == VLC_FOURCC('a', 'v', 'c', '1') )
1742             {
1743                 uint8_t *pos = (uint8_t*)qtRTPSource->qtState.sdAtom + 86;
1744                 uint8_t *endpos = (uint8_t*)qtRTPSource->qtState.sdAtom
1745                                   + qtRTPSource->qtState.sdAtomSize;
1746                 while (pos+8 < endpos) {
1747                     unsigned int atomLength = pos[0]<<24 | pos[1]<<16 | pos[2]<<8 | pos[3];
1748                     if( atomLength == 0 || atomLength > (unsigned int)(endpos-pos)) break;
1749                     if( memcmp(pos+4, "avcC", 4) == 0 &&
1750                         atomLength > 8 &&
1751                         atomLength <= INT_MAX )
1752                     {
1753                         tk->fmt.i_extra = atomLength-8;
1754                         tk->fmt.p_extra = xmalloc( tk->fmt.i_extra );
1755                         memcpy(tk->fmt.p_extra, pos+8, atomLength-8);
1756                         break;
1757                     }
1758                     pos += atomLength;
1759                 }
1760             }
1761             else
1762             {
1763                 tk->fmt.i_extra        = qtState.sdAtomSize - 16;
1764                 tk->fmt.p_extra        = xmalloc( tk->fmt.i_extra );
1765                 memcpy( tk->fmt.p_extra, &sdAtom[12], tk->fmt.i_extra );
1766             }
1767         }
1768         else {
1769             if( qtState.sdAtomSize < 4 )
1770             {
1771                 /* invalid */
1772                 p_sys->event = 0xff;
1773                 tk->waiting = 0;
1774                 return;
1775             }
1776             tk->fmt.i_codec = VLC_FOURCC(sdAtom[0],sdAtom[1],sdAtom[2],sdAtom[3]);
1777         }
1778         tk->p_es = es_out_Add( p_demux->out, &tk->fmt );
1779     }
1780
1781 #if 0
1782     fprintf( stderr, "StreamRead size=%d pts=%lld\n",
1783              i_size,
1784              pts.tv_sec * 1000000LL + pts.tv_usec );
1785 #endif
1786
1787     /* grow buffer if it looks like buffer is too small, but don't eat
1788      * up all the memory on strange streams */
1789     if( i_truncated_bytes > 0 )
1790     {
1791         if( tk->i_buffer < 2000000 )
1792         {
1793             void *p_tmp;
1794             msg_Dbg( p_demux, "lost %d bytes", i_truncated_bytes );
1795             msg_Dbg( p_demux, "increasing buffer size to %d", tk->i_buffer * 2 );
1796             p_tmp = realloc( tk->p_buffer, tk->i_buffer * 2 );
1797             if( p_tmp == NULL )
1798             {
1799                 msg_Warn( p_demux, "realloc failed" );
1800             }
1801             else
1802             {
1803                 tk->p_buffer = (uint8_t*)p_tmp;
1804                 tk->i_buffer *= 2;
1805             }
1806         }
1807
1808         if( tk->b_discard_trunc )
1809         {
1810             p_sys->event = 0xff;
1811             tk->waiting = 0;
1812             return;
1813         }
1814     }
1815
1816     assert( i_size <= tk->i_buffer );
1817
1818     if( tk->fmt.i_codec == VLC_CODEC_AMR_NB ||
1819         tk->fmt.i_codec == VLC_CODEC_AMR_WB )
1820     {
1821         AMRAudioSource *amrSource = (AMRAudioSource*)tk->sub->readSource();
1822
1823         p_block = block_New( p_demux, i_size + 1 );
1824         p_block->p_buffer[0] = amrSource->lastFrameHeader();
1825         memcpy( p_block->p_buffer + 1, tk->p_buffer, i_size );
1826     }
1827     else if( tk->fmt.i_codec == VLC_CODEC_H261 )
1828     {
1829         H261VideoRTPSource *h261Source = (H261VideoRTPSource*)tk->sub->rtpSource();
1830         uint32_t header = h261Source->lastSpecialHeader();
1831         p_block = block_New( p_demux, i_size + 4 );
1832         memcpy( p_block->p_buffer, &header, 4 );
1833         memcpy( p_block->p_buffer + 4, tk->p_buffer, i_size );
1834
1835         if( tk->sub->rtpSource()->curPacketMarkerBit() )
1836             p_block->i_flags |= BLOCK_FLAG_END_OF_FRAME;
1837     }
1838     else if( tk->fmt.i_codec == VLC_CODEC_H264 )
1839     {
1840         if( (tk->p_buffer[0] & 0x1f) >= 24 )
1841             msg_Warn( p_demux, "unsupported NAL type for H264" );
1842
1843         /* Normal NAL type */
1844         p_block = block_New( p_demux, i_size + 4 );
1845         p_block->p_buffer[0] = 0x00;
1846         p_block->p_buffer[1] = 0x00;
1847         p_block->p_buffer[2] = 0x00;
1848         p_block->p_buffer[3] = 0x01;
1849         memcpy( &p_block->p_buffer[4], tk->p_buffer, i_size );
1850     }
1851     else if( tk->b_asf )
1852     {
1853         p_block = StreamParseAsf( p_demux, tk,
1854                                   tk->sub->rtpSource()->curPacketMarkerBit(),
1855                                   tk->p_buffer, i_size );
1856     }
1857     else
1858     {
1859         p_block = block_New( p_demux, i_size );
1860         memcpy( p_block->p_buffer, tk->p_buffer, i_size );
1861     }
1862
1863     if( p_sys->i_pcr < i_pts )
1864     {
1865         p_sys->i_pcr = i_pts;
1866     }
1867
1868     /* Update our global npt value */
1869     if( tk->i_npt > 0 && tk->i_npt > p_sys->i_npt && tk->i_npt < p_sys->i_npt_length)
1870         p_sys->i_npt = tk->i_npt;
1871
1872     if( p_block )
1873     {
1874         if( !tk->b_muxed && !tk->b_asf )
1875         {
1876             if( i_pts != tk->i_pts )
1877                 p_block->i_pts = VLC_TS_0 + i_pts;
1878             /*FIXME: for h264 you should check that packetization-mode=1 in sdp-file */
1879             p_block->i_dts = ( tk->fmt.i_codec == VLC_CODEC_MPGV ) ? VLC_TS_INVALID : (VLC_TS_0 + i_pts);
1880         }
1881
1882         if( tk->b_muxed )
1883             stream_DemuxSend( tk->p_out_muxed, p_block );
1884         else if( tk->b_asf )
1885             stream_DemuxSend( p_sys->p_out_asf, p_block );
1886         else
1887             es_out_Send( p_demux->out, tk->p_es, p_block );
1888     }
1889
1890     /* warn that's ok */
1891     p_sys->event = 0xff;
1892
1893     /* we have read data */
1894     tk->waiting = 0;
1895     p_demux->p_sys->b_no_data = false;
1896     p_demux->p_sys->i_no_data_ti = 0;
1897
1898     if( i_pts > 0 && !tk->b_muxed )
1899     {
1900         tk->i_pts = i_pts;
1901     }
1902 }
1903
1904 /*****************************************************************************
1905  *
1906  *****************************************************************************/
1907 static void StreamClose( void *p_private )
1908 {
1909     live_track_t   *tk = (live_track_t*)p_private;
1910     demux_t        *p_demux = tk->p_demux;
1911     demux_sys_t    *p_sys = p_demux->p_sys;
1912
1913     msg_Dbg( p_demux, "StreamClose" );
1914
1915     p_sys->event = 0xff;
1916     p_sys->b_error = true;
1917 }
1918
1919
1920 /*****************************************************************************
1921  *
1922  *****************************************************************************/
1923 static void TaskInterrupt( void *p_private )
1924 {
1925     demux_t *p_demux = (demux_t*)p_private;
1926
1927     p_demux->p_sys->i_no_data_ti++;
1928
1929     /* Avoid lock */
1930     p_demux->p_sys->event = 0xff;
1931 }
1932
1933 /*****************************************************************************
1934  *
1935  *****************************************************************************/
1936 static void* TimeoutPrevention( void *p_data )
1937 {
1938     timeout_thread_t *p_timeout = (timeout_thread_t *)p_data;
1939
1940     for( ;; )
1941     {
1942         /* Voodoo (= no) thread safety here! *Ahem* */
1943         if( p_timeout->b_handle_keep_alive )
1944         {
1945             char *psz_bye = NULL;
1946             int canc = vlc_savecancel ();
1947
1948             p_timeout->p_sys->rtsp->sendGetParameterCommand( *p_timeout->p_sys->ms, NULL, psz_bye );
1949             vlc_restorecancel (canc);
1950         }
1951         p_timeout->p_sys->b_timeout_call = !p_timeout->b_handle_keep_alive;
1952
1953         msleep (((int64_t)p_timeout->p_sys->i_timeout - 2) * CLOCK_FREQ);
1954     }
1955     assert(0); /* dead code */
1956 }
1957
1958 /*****************************************************************************
1959  *
1960  *****************************************************************************/
1961 static int ParseASF( demux_t *p_demux )
1962 {
1963     demux_sys_t    *p_sys = p_demux->p_sys;
1964
1965     const char *psz_marker = "a=pgmpu:data:application/vnd.ms.wms-hdr.asfv1;base64,";
1966     char *psz_asf = strcasestr( p_sys->p_sdp, psz_marker );
1967     char *psz_end;
1968     block_t *p_header;
1969
1970     /* Parse the asf header */
1971     if( psz_asf == NULL )
1972         return VLC_EGENERIC;
1973
1974     psz_asf += strlen( psz_marker );
1975     psz_asf = strdup( psz_asf );    /* Duplicate it */
1976     psz_end = strchr( psz_asf, '\n' );
1977
1978     while( psz_end > psz_asf && ( *psz_end == '\n' || *psz_end == '\r' ) )
1979         *psz_end-- = '\0';
1980
1981     if( psz_asf >= psz_end )
1982     {
1983         free( psz_asf );
1984         return VLC_EGENERIC;
1985     }
1986
1987     /* Always smaller */
1988     p_header = block_New( p_demux, psz_end - psz_asf );
1989     p_header->i_buffer = vlc_b64_decode_binary_to_buffer( p_header->p_buffer,
1990                                                p_header->i_buffer, psz_asf );
1991     //msg_Dbg( p_demux, "Size=%d Hdrb64=%s", p_header->i_buffer, psz_asf );
1992     if( p_header->i_buffer <= 0 )
1993     {
1994         free( psz_asf );
1995         return VLC_EGENERIC;
1996     }
1997
1998     /* Parse it to get packet size */
1999     asf_HeaderParse( &p_sys->asfh, p_header->p_buffer, p_header->i_buffer );
2000
2001     /* Send it to demuxer */
2002     stream_DemuxSend( p_sys->p_out_asf, p_header );
2003
2004     free( psz_asf );
2005     return VLC_SUCCESS;
2006 }
2007
2008
2009 static unsigned char* parseH264ConfigStr( char const* configStr,
2010                                           unsigned int& configSize )
2011 {
2012     char *dup, *psz;
2013     size_t i_records = 1;
2014
2015     configSize = 0;
2016
2017     if( configStr == NULL || *configStr == '\0' )
2018         return NULL;
2019
2020     psz = dup = strdup( configStr );
2021
2022     /* Count the number of commas */
2023     for( psz = dup; *psz != '\0'; ++psz )
2024     {
2025         if( *psz == ',')
2026         {
2027             ++i_records;
2028             *psz = '\0';
2029         }
2030     }
2031
2032     size_t configMax = 5*strlen(dup);
2033     unsigned char *cfg = new unsigned char[configMax];
2034     psz = dup;
2035     for( size_t i = 0; i < i_records; ++i )
2036     {
2037         cfg[configSize++] = 0x00;
2038         cfg[configSize++] = 0x00;
2039         cfg[configSize++] = 0x00;
2040         cfg[configSize++] = 0x01;
2041
2042         configSize += vlc_b64_decode_binary_to_buffer( cfg+configSize,
2043                                           configMax-configSize, psz );
2044         psz += strlen(psz)+1;
2045     }
2046
2047     free( dup );
2048     return cfg;
2049 }