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

   1 /*****************************************************************************
   2  * live555.cpp : LIVE555 Streaming Media support.
   3  *****************************************************************************
   4  * Copyright (C) 2003-2007 VLC authors and VideoLAN
   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 it
  13  * under the terms of the GNU Lesser General Public License as published by
  14  * the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
  21  *
  22  * You should have received a copy of the GNU Lesser General Public License
  23  * along with this program; if not, write to the Free Software Foundation,
  24  * Inc., 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 #define __STDC_LIMIT_MACROS 1
  36
  37 #ifdef HAVE_CONFIG_H
  38 # include "config.h"
  39 #endif
  40
  41 #include <inttypes.h>
  42
  43 #include <vlc_common.h>
  44 #include <vlc_plugin.h>
  45 #include <vlc_input.h>
  46 #include <vlc_demux.h>
  47 #include <vlc_dialog.h>
  48 #include <vlc_url.h>
  49 #include <vlc_strings.h>
  50
  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 KASENNA_TEXT N_( "Kasenna RTSP dialect")
  78 #define KASENNA_LONGTEXT N_( "Kasenna servers use an old and nonstandard " \
  79     "dialect of RTSP. With this parameter VLC will try this dialect, but "\
  80     "then it cannot connect to normal RTSP servers." )
  81
  82 #define WMSERVER_TEXT N_("WMServer RTSP dialect")
  83 #define WMSERVER_LONGTEXT N_("WMServer uses a nonstandard dialect " \
  84     "of RTSP. Selecting this parameter will tell VLC to assume some " \
  85     "options contrary to RFC 2326 guidelines.")
  86
  87 #define USER_TEXT N_("RTSP user name")
  88 #define USER_LONGTEXT N_("Sets the username for the connection, " \
  89     "if no username or password are set in the url.")
  90 #define PASS_TEXT N_("RTSP password")
  91 #define PASS_LONGTEXT N_("Sets the password for the connection, " \
  92     "if no username or password are set in the url.")
  93 #define FRAME_BUFFER_SIZE_TEXT N_("RTSP frame buffer size")
  94 #define FRAME_BUFFER_SIZE_LONGTEXT N_("RTSP start frame buffer size of the video " \
  95     "track, can be increased in case of broken pictures due " \
  96     "to too small buffer.")
  97 #define DEFAULT_FRAME_BUFFER_SIZE 100000
  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_bool(   "rtsp-kasenna", false, KASENNA_TEXT,
 133                     KASENNA_LONGTEXT, true )
 134             change_safe()
 135         add_bool(   "rtsp-wmserver", false, WMSERVER_TEXT,
 136                     WMSERVER_LONGTEXT, true)
 137             change_safe()
 138         add_string( "rtsp-user", NULL, USER_TEXT,
 139                     USER_LONGTEXT, true )
 140             change_safe()
 141         add_password( "rtsp-pwd", NULL, PASS_TEXT,
 142                       PASS_LONGTEXT, true )
 143         add_integer( "rtsp-frame-buffer-size", DEFAULT_FRAME_BUFFER_SIZE,
 144                      FRAME_BUFFER_SIZE_TEXT, FRAME_BUFFER_SIZE_LONGTEXT,
 145                      true )
 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     double          f_npt;
 175
 176     bool            b_selected;
 177
 178 } live_track_t;
 179
 180 struct timeout_thread_t
 181 {
 182     demux_sys_t  *p_sys;
 183     vlc_thread_t handle;
 184     bool         b_handle_keep_alive;
 185 };
 186
 187 class RTSPClientVlc;
 188
 189 struct demux_sys_t
 190 {
 191     char            *p_sdp;    /* XXX mallocated */
 192     char            *psz_path; /* URL-encoded path */
 193     vlc_url_t       url;
 194
 195     MediaSession     *ms;
 196     TaskScheduler    *scheduler;
 197     UsageEnvironment *env ;
 198     RTSPClientVlc    *rtsp;
 199
 200     /* */
 201     int              i_track;
 202     live_track_t     **track;
 203
 204     /* Weird formats */
 205     asf_header_t     asfh;
 206     stream_t         *p_out_asf;
 207     bool             b_real;
 208
 209     /* */
 210     int64_t          i_pcr; /* The clock */
 211     double           f_npt;
 212     double           f_npt_length;
 213     double           f_npt_start;
 214
 215     /* timeout thread information */
 216     int              i_timeout;     /* session timeout value in seconds */
 217     bool             b_timeout_call;/* mark to send an RTSP call to prevent server timeout */
 218     timeout_thread_t *p_timeout;    /* the actual thread that makes sure we don't timeout */
 219
 220     /* */
 221     bool             b_force_mcast;
 222     bool             b_multicast;   /* if one of the tracks is multicasted */
 223     bool             b_no_data;     /* if we never received any data */
 224     int              i_no_data_ti;  /* consecutive number of TaskInterrupt */
 225
 226     char             event_rtsp;
 227     char             event_data;
 228
 229     bool             b_get_param;   /* Does the server support GET_PARAMETER */
 230     bool             b_paused;      /* Are we paused? */
 231     bool             b_error;
 232     int              i_live555_ret; /* live555 callback return code */
 233
 234     float            f_seek_request;/* In case we receive a seek request while paused*/
 235 };
 236
 237
 238 class RTSPClientVlc : public RTSPClient
 239 {
 240 public:
 241     RTSPClientVlc( UsageEnvironment& env, char const* rtspURL, int verbosityLevel,
 242                    char const* applicationName, portNumBits tunnelOverHTTPPortNum,
 243                    demux_sys_t *p_sys) :
 244                    RTSPClient( env, rtspURL, verbosityLevel, applicationName,
 245                    tunnelOverHTTPPortNum )
 246     {
 247         this->p_sys = p_sys;
 248     }
 249     demux_sys_t *p_sys;
 250 };
 251
 252 static int Demux  ( demux_t * );
 253 static int Control( demux_t *, int, va_list );
 254
 255 static int Connect      ( demux_t * );
 256 static int SessionsSetup( demux_t * );
 257 static int Play         ( demux_t *);
 258 static int ParseASF     ( demux_t * );
 259 static int RollOverTcp  ( demux_t * );
 260
 261 static void StreamRead  ( void *, unsigned int, unsigned int,
 262                           struct timeval, unsigned int );
 263 static void StreamClose ( void * );
 264 static void TaskInterruptData( void * );
 265 static void TaskInterruptRTSP( void * );
 266
 267 static void* TimeoutPrevention( void * );
 268
 269 static unsigned char* parseH264ConfigStr( char const* configStr,
 270                                           unsigned int& configSize );
 271
 272 /*****************************************************************************
 273  * DemuxOpen:
 274  *****************************************************************************/
 275 static int  Open ( vlc_object_t *p_this )
 276 {
 277     demux_t     *p_demux = (demux_t*)p_this;
 278     demux_sys_t *p_sys = NULL;
 279
 280     int i_return;
 281     int i_error = VLC_EGENERIC;
 282
 283     if( p_demux->s )
 284     {
 285         /* See if it looks like a SDP
 286            v, o, s fields are mandatory and in this order */
 287         const uint8_t *p_peek;
 288         if( stream_Peek( p_demux->s, &p_peek, 7 ) < 7 ) return VLC_EGENERIC;
 289
 290         if( memcmp( p_peek, "v=0\r\n", 5 ) &&
 291             memcmp( p_peek, "v=0\n", 4 ) &&
 292             ( p_peek[0] < 'a' || p_peek[0] > 'z' || p_peek[1] != '=' ) )
 293         {
 294             return VLC_EGENERIC;
 295         }
 296     }
 297
 298     p_demux->pf_demux  = Demux;
 299     p_demux->pf_control= Control;
 300     p_demux->p_sys     = p_sys = (demux_sys_t*)calloc( 1, sizeof( demux_sys_t ) );
 301     if( !p_sys ) return VLC_ENOMEM;
 302
 303     msg_Dbg( p_demux, "version "LIVEMEDIA_LIBRARY_VERSION_STRING );
 304
 305     TAB_INIT( p_sys->i_track, p_sys->track );
 306     p_sys->f_npt = 0.;
 307     p_sys->f_npt_start = 0.;
 308     p_sys->f_npt_length = 0.;
 309     p_sys->b_no_data = true;
 310     p_sys->psz_path = strdup( p_demux->psz_location );
 311     p_sys->b_force_mcast = var_InheritBool( p_demux, "rtsp-mcast" );
 312     p_sys->f_seek_request = -1;
 313
 314     /* parse URL for rtsp://[user:[passwd]@]serverip:port/options */
 315     vlc_UrlParse( &p_sys->url, p_sys->psz_path, 0 );
 316
 317     if( ( p_sys->scheduler = BasicTaskScheduler::createNew() ) == NULL )
 318     {
 319         msg_Err( p_demux, "BasicTaskScheduler::createNew failed" );
 320         goto error;
 321     }
 322     if( !( p_sys->env = BasicUsageEnvironment::createNew(*p_sys->scheduler) ) )
 323     {
 324         msg_Err( p_demux, "BasicUsageEnvironment::createNew failed" );
 325         goto error;
 326     }
 327
 328     if( strcasecmp( p_demux->psz_access, "sdp" ) )
 329     {
 330         char *p = p_sys->psz_path;
 331         while( (p = strchr( p, ' ' )) != NULL ) *p = '+';
 332     }
 333
 334     if( p_demux->s != NULL )
 335     {
 336         /* Gather the complete sdp file */
 337         int     i_sdp       = 0;
 338         int     i_sdp_max   = 1000;
 339         uint8_t *p_sdp      = (uint8_t*) malloc( i_sdp_max );
 340
 341         if( !p_sdp )
 342         {
 343             i_error = VLC_ENOMEM;
 344             goto error;
 345         }
 346
 347         for( ;; )
 348         {
 349             int i_read = stream_Read( p_demux->s, &p_sdp[i_sdp],
 350                                       i_sdp_max - i_sdp - 1 );
 351
 352             if( !vlc_object_alive (p_demux) )
 353             {
 354                 free( p_sdp );
 355                 goto error;
 356             }
 357
 358             if( i_read < 0 )
 359             {
 360                 msg_Err( p_demux, "failed to read SDP" );
 361                 free( p_sdp );
 362                 goto error;
 363             }
 364
 365             i_sdp += i_read;
 366
 367             if( i_read < i_sdp_max - i_sdp - 1 )
 368             {
 369                 p_sdp[i_sdp] = '\0';
 370                 break;
 371             }
 372
 373             i_sdp_max += 1000;
 374             p_sdp = (uint8_t*)xrealloc( p_sdp, i_sdp_max );
 375         }
 376         p_sys->p_sdp = (char*)p_sdp;
 377     }
 378     else if( ( i_return = Connect( p_demux ) ) != VLC_SUCCESS )
 379     {
 380         msg_Err( p_demux, "Failed to connect with rtsp://%s", p_sys->psz_path );
 381         goto error;
 382     }
 383
 384     if( p_sys->p_sdp == NULL )
 385     {
 386         msg_Err( p_demux, "Failed to retrieve the RTSP Session Description" );
 387         i_error = VLC_ENOMEM;
 388         goto error;
 389     }
 390
 391     if( ( i_return = SessionsSetup( p_demux ) ) != VLC_SUCCESS )
 392     {
 393         msg_Err( p_demux, "Nothing to play for rtsp://%s", p_sys->psz_path );
 394         goto error;
 395     }
 396
 397     if( p_sys->b_real ) goto error;
 398
 399     if( ( i_return = Play( p_demux ) ) != VLC_SUCCESS )
 400         goto error;
 401
 402     if( p_sys->p_out_asf && ParseASF( p_demux ) )
 403     {
 404         msg_Err( p_demux, "cannot find a usable asf header" );
 405         /* TODO Clean tracks */
 406         goto error;
 407     }
 408
 409     if( p_sys->i_track <= 0 )
 410         goto error;
 411
 412     return VLC_SUCCESS;
 413
 414 error:
 415     Close( p_this );
 416     return i_error;
 417 }
 418
 419 /*****************************************************************************
 420  * DemuxClose:
 421  *****************************************************************************/
 422 static void Close( vlc_object_t *p_this )
 423 {
 424     demux_t *p_demux = (demux_t*)p_this;
 425     demux_sys_t *p_sys = p_demux->p_sys;
 426
 427     if( p_sys->p_timeout )
 428     {
 429         vlc_cancel( p_sys->p_timeout->handle );
 430         vlc_join( p_sys->p_timeout->handle, NULL );
 431         free( p_sys->p_timeout );
 432     }
 433
 434     if( p_sys->rtsp && p_sys->ms ) p_sys->rtsp->sendTeardownCommand( *p_sys->ms, NULL );
 435     if( p_sys->ms ) Medium::close( p_sys->ms );
 436     if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp );
 437     if( p_sys->env ) p_sys->env->reclaim();
 438
 439     for( int i = 0; i < p_sys->i_track; i++ )
 440     {
 441         live_track_t *tk = p_sys->track[i];
 442
 443         if( tk->b_muxed ) stream_Delete( tk->p_out_muxed );
 444         es_format_Clean( &tk->fmt );
 445         free( tk->p_buffer );
 446         free( tk );
 447     }
 448     TAB_CLEAN( p_sys->i_track, p_sys->track );
 449     if( p_sys->p_out_asf ) stream_Delete( p_sys->p_out_asf );
 450     delete p_sys->scheduler;
 451     free( p_sys->p_sdp );
 452     free( p_sys->psz_path );
 453
 454     vlc_UrlClean( &p_sys->url );
 455
 456     free( p_sys );
 457 }
 458
 459 static inline const char *strempty( const char *s ) { return s?s:""; }
 460 static inline Boolean toBool( bool b ) { return b?True:False; } // silly, no?
 461
 462 static void default_live555_callback( RTSPClient* client, int result_code, char* result_string )
 463 {
 464     RTSPClientVlc *client_vlc = static_cast<RTSPClientVlc *> ( client );
 465     demux_sys_t *p_sys = client_vlc->p_sys;
 466     delete []result_string;
 467     p_sys->i_live555_ret = result_code;
 468     p_sys->b_error = p_sys->i_live555_ret != 0;
 469     p_sys->event_rtsp = 1;
 470 }
 471
 472 /* return true if the RTSP command succeeded */
 473 static bool wait_Live555_response( demux_t *p_demux, int i_timeout = 0 /* ms */ )
 474 {
 475     TaskToken task;
 476     demux_sys_t * p_sys = p_demux->p_sys;
 477     p_sys->event_rtsp = 0;
 478     if( i_timeout > 0 )
 479     {
 480         /* Create a task that will be called if we wait more than timeout ms */
 481         task = p_sys->scheduler->scheduleDelayedTask( i_timeout*1000,
 482                                                       TaskInterruptRTSP,
 483                                                       p_demux );
 484     }
 485     p_sys->event_rtsp = 0;
 486     p_sys->b_error = true;
 487     p_sys->i_live555_ret = 0;
 488     p_sys->scheduler->doEventLoop( &p_sys->event_rtsp );
 489     //here, if b_error is true and i_live555_ret = 0 we didn't receive a response
 490     if( i_timeout > 0 )
 491     {
 492         /* remove the task */
 493         p_sys->scheduler->unscheduleDelayedTask( task );
 494     }
 495     return !p_sys->b_error;
 496 }
 497
 498 static void continueAfterDESCRIBE( RTSPClient* client, int result_code,
 499                                    char* result_string )
 500 {
 501     RTSPClientVlc *client_vlc = static_cast<RTSPClientVlc *> ( client );
 502     demux_sys_t *p_sys = client_vlc->p_sys;
 503     p_sys->i_live555_ret = result_code;
 504     if ( result_code == 0 )
 505     {
 506         char* sdpDescription = result_string;
 507         free( p_sys->p_sdp );
 508         p_sys->p_sdp = NULL;
 509         if( sdpDescription )
 510         {
 511             p_sys->p_sdp = strdup( sdpDescription );
 512             p_sys->b_error = false;
 513         }
 514     }
 515     else
 516         p_sys->b_error = true;
 517     delete[] result_string;
 518     p_sys->event_rtsp = 1;
 519 }
 520
 521 static void continueAfterOPTIONS( RTSPClient* client, int result_code,
 522                                   char* result_string )
 523 {
 524     RTSPClientVlc *client_vlc = static_cast<RTSPClientVlc *> (client);
 525     demux_sys_t *p_sys = client_vlc->p_sys;
 526     p_sys->b_get_param =
 527       // If OPTIONS fails, assume GET_PARAMETER is not supported but
 528       // still continue on with the stream.  Some servers (foscam)
 529       // return 501/not implemented for OPTIONS.
 530       result_code == 0
 531       && result_string != NULL
 532       && strstr( result_string, "GET_PARAMETER" ) != NULL;
 533     client->sendDescribeCommand( continueAfterDESCRIBE );
 534     delete[] result_string;
 535 }
 536
 537 /*****************************************************************************
 538  * Connect: connects to the RTSP server to setup the session DESCRIBE
 539  *****************************************************************************/
 540 static int Connect( demux_t *p_demux )
 541 {
 542     demux_sys_t *p_sys = p_demux->p_sys;
 543     Authenticator authenticator;
 544     char *psz_user    = NULL;
 545     char *psz_pwd     = NULL;
 546     char *psz_url     = NULL;
 547     int  i_http_port  = 0;
 548     int  i_ret        = VLC_SUCCESS;
 549     const int i_timeout = var_InheritInteger( p_demux, "ipv4-timeout" );
 550
 551     /* Get the user name and password */
 552     if( p_sys->url.psz_username || p_sys->url.psz_password )
 553     {
 554         /* Create the URL by stripping away the username/password part */
 555         if( p_sys->url.i_port == 0 )
 556             p_sys->url.i_port = 554;
 557         if( asprintf( &psz_url, "rtsp://%s:%d%s",
 558                       strempty( p_sys->url.psz_host ),
 559                       p_sys->url.i_port,
 560                       strempty( p_sys->url.psz_path ) ) == -1 )
 561             return VLC_ENOMEM;
 562
 563         psz_user = strdup( strempty( p_sys->url.psz_username ) );
 564         psz_pwd  = strdup( strempty( p_sys->url.psz_password ) );
 565     }
 566     else
 567     {
 568         if( asprintf( &psz_url, "rtsp://%s", p_sys->psz_path ) == -1 )
 569             return VLC_ENOMEM;
 570
 571         psz_user = var_InheritString( p_demux, "rtsp-user" );
 572         psz_pwd  = var_InheritString( p_demux, "rtsp-pwd" );
 573     }
 574
 575 createnew:
 576     if( !vlc_object_alive (p_demux) )
 577     {
 578         i_ret = VLC_EGENERIC;
 579         goto bailout;
 580     }
 581
 582     if( var_CreateGetBool( p_demux, "rtsp-http" ) )
 583         i_http_port = var_InheritInteger( p_demux, "rtsp-http-port" );
 584
 585     p_sys->rtsp = new RTSPClientVlc( *p_sys->env, psz_url,
 586                                      var_InheritInteger( p_demux, "verbose" ) > 1 ? 1 : 0,
 587                                      "LibVLC/"VERSION, i_http_port, p_sys );
 588     if( !p_sys->rtsp )
 589     {
 590         msg_Err( p_demux, "RTSPClient::createNew failed (%s)",
 591                  p_sys->env->getResultMsg() );
 592         i_ret = VLC_EGENERIC;
 593         goto bailout;
 594     }
 595
 596     /* Kasenna enables KeepAlive by analysing the User-Agent string.
 597      * Appending _KA to the string should be enough to enable this feature,
 598      * however, there is a bug where the _KA doesn't get parsed from the
 599      * default User-Agent as created by VLC/Live555 code. This is probably due
 600      * to spaces in the string or the string being too long. Here we override
 601      * the default string with a more compact version.
 602      */
 603     if( var_InheritBool( p_demux, "rtsp-kasenna" ))
 604     {
 605         p_sys->rtsp->setUserAgentString( "VLC_MEDIA_PLAYER_KA" );
 606     }
 607
 608 describe:
 609     authenticator.setUsernameAndPassword( psz_user, psz_pwd );
 610
 611     p_sys->rtsp->sendOptionsCommand( &continueAfterOPTIONS, &authenticator );
 612
 613     if( !wait_Live555_response( p_demux, i_timeout ) )
 614     {
 615         int i_code = p_sys->i_live555_ret;
 616         if( i_code == 401 )
 617         {
 618             msg_Dbg( p_demux, "authentication failed" );
 619
 620             free( psz_user );
 621             free( psz_pwd );
 622             dialog_Login( p_demux, &psz_user, &psz_pwd,
 623                           _("RTSP authentication"), "%s",
 624                         _("Please enter a valid login name and a password.") );
 625             if( psz_user != NULL && psz_pwd != NULL )
 626             {
 627                 msg_Dbg( p_demux, "retrying with user=%s", psz_user );
 628                 goto describe;
 629             }
 630         }
 631         else if( i_code > 0 && i_code != 404 && !var_GetBool( p_demux, "rtsp-http" ) )
 632         {
 633             /* Perhaps a firewall is being annoying. Try HTTP tunneling mode */
 634             msg_Dbg( p_demux, "we will now try HTTP tunneling mode" );
 635             var_SetBool( p_demux, "rtsp-http", true );
 636             if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp );
 637             p_sys->rtsp = NULL;
 638             goto createnew;
 639         }
 640         else
 641         {
 642             if( i_code == 0 )
 643                 msg_Dbg( p_demux, "connection timeout" );
 644             else
 645             {
 646                 msg_Dbg( p_demux, "connection error %d", i_code );
 647                 if( i_code == 403 )
 648                     dialog_Fatal( p_demux, _("RTSP connection failed"),
 649                                   _("Access to the stream is denied by the server configuration.") );
 650             }
 651             if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp );
 652             p_sys->rtsp = NULL;
 653         }
 654         i_ret = VLC_EGENERIC;
 655     }
 656
 657 bailout:
 658     /* malloc-ated copy */
 659     free( psz_url );
 660     free( psz_user );
 661     free( psz_pwd );
 662
 663     return i_ret;
 664 }
 665
 666 /*****************************************************************************
 667  * SessionsSetup: prepares the subsessions and does the SETUP
 668  *****************************************************************************/
 669 static int SessionsSetup( demux_t *p_demux )
 670 {
 671     demux_sys_t             *p_sys  = p_demux->p_sys;
 672     MediaSubsessionIterator *iter   = NULL;
 673     MediaSubsession         *sub    = NULL;
 674
 675     bool           b_rtsp_tcp;
 676     int            i_client_port;
 677     int            i_return = VLC_SUCCESS;
 678     unsigned int   i_receive_buffer = 0;
 679     int            i_frame_buffer = DEFAULT_FRAME_BUFFER_SIZE;
 680     unsigned const thresh = 200000; /* RTP reorder threshold .2 second (default .1) */
 681
 682     b_rtsp_tcp    = var_CreateGetBool( p_demux, "rtsp-tcp" ) ||
 683                     var_GetBool( p_demux, "rtsp-http" );
 684     i_client_port = var_InheritInteger( p_demux, "rtp-client-port" );
 685
 686
 687     /* Create the session from the SDP */
 688     if( !( p_sys->ms = MediaSession::createNew( *p_sys->env, p_sys->p_sdp ) ) )
 689     {
 690         msg_Err( p_demux, "Could not create the RTSP Session: %s",
 691             p_sys->env->getResultMsg() );
 692         return VLC_EGENERIC;
 693     }
 694
 695     /* Initialise each media subsession */
 696     iter = new MediaSubsessionIterator( *p_sys->ms );
 697     while( ( sub = iter->next() ) != NULL )
 698     {
 699         Boolean bInit;
 700         live_track_t *tk;
 701
 702         if( !vlc_object_alive (p_demux) )
 703         {
 704             delete iter;
 705             return VLC_EGENERIC;
 706         }
 707
 708         /* Value taken from mplayer */
 709         if( !strcmp( sub->mediumName(), "audio" ) )
 710             i_receive_buffer = 100000;
 711         else if( !strcmp( sub->mediumName(), "video" ) )
 712         {
 713             int i_var_buf_size = var_InheritInteger( p_demux, "rtsp-frame-buffer-size" );
 714             if( i_var_buf_size > 0 )
 715                 i_frame_buffer = i_var_buf_size;
 716             i_receive_buffer = 2000000;
 717         }
 718         else if( !strcmp( sub->mediumName(), "text" ) )
 719             ;
 720         else continue;
 721
 722         if( i_client_port != -1 )
 723         {
 724             sub->setClientPortNum( i_client_port );
 725             i_client_port += 2;
 726         }
 727
 728         if( strcasestr( sub->codecName(), "REAL" ) )
 729         {
 730             msg_Info( p_demux, "real codec detected, using real-RTSP instead" );
 731             p_sys->b_real = true; /* This is a problem, we'll handle it later */
 732             continue;
 733         }
 734
 735         if( !strcmp( sub->codecName(), "X-ASF-PF" ) )
 736             bInit = sub->initiate( 0 );
 737         else
 738             bInit = sub->initiate();
 739
 740         if( !bInit )
 741         {
 742             msg_Warn( p_demux, "RTP subsession '%s/%s' failed (%s)",
 743                       sub->mediumName(), sub->codecName(),
 744                       p_sys->env->getResultMsg() );
 745         }
 746         else
 747         {
 748             if( sub->rtpSource() != NULL )
 749             {
 750                 int fd = sub->rtpSource()->RTPgs()->socketNum();
 751
 752                 /* Increase the buffer size */
 753                 if( i_receive_buffer > 0 )
 754                     increaseReceiveBufferTo( *p_sys->env, fd, i_receive_buffer );
 755
 756                 /* Increase the RTP reorder timebuffer just a bit */
 757                 sub->rtpSource()->setPacketReorderingThresholdTime(thresh);
 758             }
 759             msg_Dbg( p_demux, "RTP subsession '%s/%s'", sub->mediumName(),
 760                      sub->codecName() );
 761
 762             /* Issue the SETUP */
 763             if( p_sys->rtsp )
 764             {
 765                 p_sys->rtsp->sendSetupCommand( *sub, default_live555_callback, False,
 766                                                toBool( b_rtsp_tcp ),
 767                                                toBool( p_sys->b_force_mcast && !b_rtsp_tcp ) );
 768                 if( !wait_Live555_response( p_demux ) )
 769                 {
 770                     /* if we get an unsupported transport error, toggle TCP
 771                      * use and try again */
 772                     if( p_sys->i_live555_ret == 461 )
 773                         p_sys->rtsp->sendSetupCommand( *sub, default_live555_callback, False,
 774                                                        !toBool( b_rtsp_tcp ), False );
 775                     if( p_sys->i_live555_ret != 461 || !wait_Live555_response( p_demux ) )
 776                     {
 777                         msg_Err( p_demux, "SETUP of'%s/%s' failed %s",
 778                                  sub->mediumName(), sub->codecName(),
 779                                  p_sys->env->getResultMsg() );
 780                         continue;
 781                     }
 782                     else
 783                     {
 784                         var_SetBool( p_demux, "rtsp-tcp", true );
 785                         b_rtsp_tcp = true;
 786                     }
 787                 }
 788             }
 789
 790             /* Check if we will receive data from this subsession for
 791              * this track */
 792             if( sub->readSource() == NULL ) continue;
 793             if( !p_sys->b_multicast )
 794             {
 795                 /* We need different rollover behaviour for multicast */
 796                 p_sys->b_multicast = IsMulticastAddress( sub->connectionEndpointAddress() );
 797             }
 798
 799             tk = (live_track_t*)malloc( sizeof( live_track_t ) );
 800             if( !tk )
 801             {
 802                 delete iter;
 803                 return VLC_ENOMEM;
 804             }
 805             tk->p_demux     = p_demux;
 806             tk->sub         = sub;
 807             tk->p_es        = NULL;
 808             tk->b_quicktime = false;
 809             tk->b_asf       = false;
 810             tk->p_asf_block = NULL;
 811             tk->b_muxed     = false;
 812             tk->b_discard_trunc = false;
 813             tk->p_out_muxed = NULL;
 814             tk->waiting     = 0;
 815             tk->b_rtcp_sync = false;
 816             tk->i_pts       = VLC_TS_INVALID;
 817             tk->f_npt       = 0.;
 818             tk->b_selected  = true;
 819             tk->i_buffer    = i_frame_buffer;
 820             tk->p_buffer    = (uint8_t *)malloc( i_frame_buffer );
 821
 822             if( !tk->p_buffer )
 823             {
 824                 free( tk );
 825                 delete iter;
 826                 return VLC_ENOMEM;
 827             }
 828
 829             /* Value taken from mplayer */
 830             if( !strcmp( sub->mediumName(), "audio" ) )
 831             {
 832                 es_format_Init( &tk->fmt, AUDIO_ES, VLC_FOURCC('u','n','d','f') );
 833                 tk->fmt.audio.i_channels = sub->numChannels();
 834                 tk->fmt.audio.i_rate = sub->rtpTimestampFrequency();
 835
 836                 if( !strcmp( sub->codecName(), "MPA" ) ||
 837                     !strcmp( sub->codecName(), "MPA-ROBUST" ) ||
 838                     !strcmp( sub->codecName(), "X-MP3-DRAFT-00" ) )
 839                 {
 840                     tk->fmt.i_codec = VLC_CODEC_MPGA;
 841                     tk->fmt.audio.i_rate = 0;
 842                 }
 843                 else if( !strcmp( sub->codecName(), "AC3" ) )
 844                 {
 845                     tk->fmt.i_codec = VLC_CODEC_A52;
 846                     tk->fmt.audio.i_rate = 0;
 847                 }
 848                 else if( !strcmp( sub->codecName(), "L16" ) )
 849                 {
 850                     tk->fmt.i_codec = VLC_CODEC_S16B;
 851                     tk->fmt.audio.i_bitspersample = 16;
 852                 }
 853                 else if( !strcmp( sub->codecName(), "L20" ) )
 854                 {
 855                     tk->fmt.i_codec = VLC_CODEC_S20B;
 856                     tk->fmt.audio.i_bitspersample = 20;
 857                 }
 858                 else if( !strcmp( sub->codecName(), "L24" ) )
 859                 {
 860                     tk->fmt.i_codec = VLC_CODEC_S24B;
 861                     tk->fmt.audio.i_bitspersample = 24;
 862                 }
 863                 else if( !strcmp( sub->codecName(), "L8" ) )
 864                 {
 865                     tk->fmt.i_codec = VLC_CODEC_U8;
 866                     tk->fmt.audio.i_bitspersample = 8;
 867                 }
 868                 else if( !strcmp( sub->codecName(), "DAT12" ) )
 869                 {
 870                     tk->fmt.i_codec = VLC_CODEC_DAT12;
 871                     tk->fmt.audio.i_bitspersample = 12;
 872                 }
 873                 else if( !strcmp( sub->codecName(), "PCMU" ) )
 874                 {
 875                     tk->fmt.i_codec = VLC_CODEC_MULAW;
 876                     tk->fmt.audio.i_bitspersample = 8;
 877                 }
 878                 else if( !strcmp( sub->codecName(), "PCMA" ) )
 879                 {
 880                     tk->fmt.i_codec = VLC_CODEC_ALAW;
 881                     tk->fmt.audio.i_bitspersample = 8;
 882                 }
 883                 else if( !strncmp( sub->codecName(), "G726", 4 ) )
 884                 {
 885                     tk->fmt.i_codec = VLC_CODEC_ADPCM_G726;
 886                     tk->fmt.audio.i_rate = 8000;
 887                     tk->fmt.audio.i_channels = 1;
 888                     if( !strcmp( sub->codecName()+5, "40" ) )
 889                         tk->fmt.i_bitrate = 40000;
 890                     else if( !strcmp( sub->codecName()+5, "32" ) )
 891                         tk->fmt.i_bitrate = 32000;
 892                     else if( !strcmp( sub->codecName()+5, "24" ) )
 893                         tk->fmt.i_bitrate = 24000;
 894                     else if( !strcmp( sub->codecName()+5, "16" ) )
 895                         tk->fmt.i_bitrate = 16000;
 896                 }
 897                 else if( !strcmp( sub->codecName(), "AMR" ) )
 898                 {
 899                     tk->fmt.i_codec = VLC_CODEC_AMR_NB;
 900                 }
 901                 else if( !strcmp( sub->codecName(), "AMR-WB" ) )
 902                 {
 903                     tk->fmt.i_codec = VLC_CODEC_AMR_WB;
 904                 }
 905                 else if( !strcmp( sub->codecName(), "MP4A-LATM" ) )
 906                 {
 907                     unsigned int i_extra;
 908                     uint8_t      *p_extra;
 909
 910                     tk->fmt.i_codec = VLC_CODEC_MP4A;
 911
 912                     if( ( p_extra = parseStreamMuxConfigStr( sub->fmtp_config(),
 913                                                              i_extra ) ) )
 914                     {
 915                         tk->fmt.i_extra = i_extra;
 916                         tk->fmt.p_extra = xmalloc( i_extra );
 917                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
 918                         delete[] p_extra;
 919                     }
 920                     /* Because the "faad" decoder does not handle the LATM
 921                      * data length field at the start of each returned LATM
 922                      * frame, tell the RTP source to omit. */
 923                     ((MPEG4LATMAudioRTPSource*)sub->rtpSource())->omitLATMDataLengthField();
 924                 }
 925                 else if( !strcmp( sub->codecName(), "MPEG4-GENERIC" ) )
 926                 {
 927                     unsigned int i_extra;
 928                     uint8_t      *p_extra;
 929
 930                     tk->fmt.i_codec = VLC_CODEC_MP4A;
 931
 932                     if( ( p_extra = parseGeneralConfigStr( sub->fmtp_config(),
 933                                                            i_extra ) ) )
 934                     {
 935                         tk->fmt.i_extra = i_extra;
 936                         tk->fmt.p_extra = xmalloc( i_extra );
 937                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
 938                         delete[] p_extra;
 939                     }
 940                 }
 941                 else if( !strcmp( sub->codecName(), "X-ASF-PF" ) )
 942                 {
 943                     tk->b_asf = true;
 944                     if( p_sys->p_out_asf == NULL )
 945                         p_sys->p_out_asf = stream_DemuxNew( p_demux, "asf",
 946                                                             p_demux->out );
 947                 }
 948                 else if( !strcmp( sub->codecName(), "X-QT" ) ||
 949                          !strcmp( sub->codecName(), "X-QUICKTIME" ) )
 950                 {
 951                     tk->b_quicktime = true;
 952                 }
 953                 else if( !strcmp( sub->codecName(), "SPEEX" ) )
 954                 {
 955                     tk->fmt.i_codec = VLC_FOURCC( 's', 'p', 'x', 'r' );
 956                     if ( sub->rtpTimestampFrequency() )
 957                         tk->fmt.audio.i_rate = sub->rtpTimestampFrequency();
 958                     else
 959                     {
 960                         msg_Warn( p_demux,"Using 8kHz as default sample rate." );
 961                         tk->fmt.audio.i_rate = 8000;
 962                     }
 963                 }
 964             }
 965             else if( !strcmp( sub->mediumName(), "video" ) )
 966             {
 967                 es_format_Init( &tk->fmt, VIDEO_ES, VLC_FOURCC('u','n','d','f') );
 968                 if( !strcmp( sub->codecName(), "MPV" ) )
 969                 {
 970                     tk->fmt.i_codec = VLC_CODEC_MPGV;
 971                     tk->fmt.b_packetized = false;
 972                 }
 973                 else if( !strcmp( sub->codecName(), "H263" ) ||
 974                          !strcmp( sub->codecName(), "H263-1998" ) ||
 975                          !strcmp( sub->codecName(), "H263-2000" ) )
 976                 {
 977                     tk->fmt.i_codec = VLC_CODEC_H263;
 978                 }
 979                 else if( !strcmp( sub->codecName(), "H261" ) )
 980                 {
 981                     tk->fmt.i_codec = VLC_CODEC_H261;
 982                 }
 983                 else if( !strcmp( sub->codecName(), "H264" ) )
 984                 {
 985                     unsigned int i_extra = 0;
 986                     uint8_t      *p_extra = NULL;
 987
 988                     tk->fmt.i_codec = VLC_CODEC_H264;
 989                     tk->fmt.b_packetized = false;
 990
 991                     if((p_extra=parseH264ConfigStr( sub->fmtp_spropparametersets(),
 992                                                     i_extra ) ) )
 993                     {
 994                         tk->fmt.i_extra = i_extra;
 995                         tk->fmt.p_extra = xmalloc( i_extra );
 996                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
 997
 998                         delete[] p_extra;
 999                     }
1000                 }
1001                 else if( !strcmp( sub->codecName(), "JPEG" ) )
1002                 {
1003                     tk->fmt.i_codec = VLC_CODEC_MJPG;
1004                 }
1005                 else if( !strcmp( sub->codecName(), "MP4V-ES" ) )
1006                 {
1007                     unsigned int i_extra;
1008                     uint8_t      *p_extra;
1009
1010                     tk->fmt.i_codec = VLC_CODEC_MP4V;
1011
1012                     if( ( p_extra = parseGeneralConfigStr( sub->fmtp_config(),
1013                                                            i_extra ) ) )
1014                     {
1015                         tk->fmt.i_extra = i_extra;
1016                         tk->fmt.p_extra = xmalloc( i_extra );
1017                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
1018                         delete[] p_extra;
1019                     }
1020                 }
1021                 else if( !strcmp( sub->codecName(), "X-QT" ) ||
1022                          !strcmp( sub->codecName(), "X-QUICKTIME" ) ||
1023                          !strcmp( sub->codecName(), "X-QDM" ) ||
1024                          !strcmp( sub->codecName(), "X-SV3V-ES" )  ||
1025                          !strcmp( sub->codecName(), "X-SORENSONVIDEO" ) )
1026                 {
1027                     tk->b_quicktime = true;
1028                 }
1029                 else if( !strcmp( sub->codecName(), "MP2T" ) )
1030                 {
1031                     tk->b_muxed = true;
1032                     tk->p_out_muxed = stream_DemuxNew( p_demux, "ts", p_demux->out );
1033                 }
1034                 else if( !strcmp( sub->codecName(), "MP2P" ) ||
1035                          !strcmp( sub->codecName(), "MP1S" ) )
1036                 {
1037                     tk->b_muxed = true;
1038                     tk->p_out_muxed = stream_DemuxNew( p_demux, "ps",
1039                                                        p_demux->out );
1040                 }
1041                 else if( !strcmp( sub->codecName(), "X-ASF-PF" ) )
1042                 {
1043                     tk->b_asf = true;
1044                     if( p_sys->p_out_asf == NULL )
1045                         p_sys->p_out_asf = stream_DemuxNew( p_demux, "asf",
1046                                                             p_demux->out );;
1047                 }
1048                 else if( !strcmp( sub->codecName(), "DV" ) )
1049                 {
1050                     tk->b_muxed = true;
1051                     tk->b_discard_trunc = true;
1052                     tk->p_out_muxed = stream_DemuxNew( p_demux, "rawdv",
1053                                                        p_demux->out );
1054                 }
1055             }
1056             else if( !strcmp( sub->mediumName(), "text" ) )
1057             {
1058                 es_format_Init( &tk->fmt, SPU_ES, VLC_FOURCC('u','n','d','f') );
1059
1060                 if( !strcmp( sub->codecName(), "T140" ) )
1061                 {
1062                     tk->fmt.i_codec = VLC_CODEC_ITU_T140;
1063                 }
1064             }
1065
1066             if( !tk->b_quicktime && !tk->b_muxed && !tk->b_asf )
1067             {
1068                 tk->p_es = es_out_Add( p_demux->out, &tk->fmt );
1069             }
1070
1071             if( sub->rtcpInstance() != NULL )
1072             {
1073                 sub->rtcpInstance()->setByeHandler( StreamClose, tk );
1074             }
1075
1076             if( tk->p_es || tk->b_quicktime || ( tk->b_muxed && tk->p_out_muxed ) ||
1077                 ( tk->b_asf && p_sys->p_out_asf ) )
1078             {
1079                 TAB_APPEND_CAST( (live_track_t **), p_sys->i_track, p_sys->track, tk );
1080             }
1081             else
1082             {
1083                 /* BUG ??? */
1084                 msg_Err( p_demux, "unusable RTSP track. this should not happen" );
1085                 es_format_Clean( &tk->fmt );
1086                 free( tk );
1087             }
1088         }
1089     }
1090     delete iter;
1091     if( p_sys->i_track <= 0 ) i_return = VLC_EGENERIC;
1092
1093     /* Retrieve the starttime if possible */
1094     p_sys->f_npt_start = p_sys->ms->playStartTime();
1095
1096     /* Retrieve the duration if possible */
1097     p_sys->f_npt_length = p_sys->ms->playEndTime();
1098
1099     /* */
1100     msg_Dbg( p_demux, "setup start: %f stop:%f", p_sys->f_npt_start, p_sys->f_npt_length );
1101
1102     /* */
1103     p_sys->b_no_data = true;
1104     p_sys->i_no_data_ti = 0;
1105
1106     return i_return;
1107 }
1108
1109 /*****************************************************************************
1110  * Play: starts the actual playback of the stream
1111  *****************************************************************************/
1112 static int Play( demux_t *p_demux )
1113 {
1114     demux_sys_t *p_sys = p_demux->p_sys;
1115
1116     if( p_sys->rtsp )
1117     {
1118         /* The PLAY */
1119         p_sys->rtsp->sendPlayCommand( *p_sys->ms, default_live555_callback, p_sys->f_npt_start, -1, 1 );
1120
1121         if( !wait_Live555_response(p_demux) )
1122         {
1123             msg_Err( p_demux, "RTSP PLAY failed %s", p_sys->env->getResultMsg() );
1124             return VLC_EGENERIC;
1125         }
1126
1127         /* Retrieve the timeout value and set up a timeout prevention thread */
1128         p_sys->i_timeout = p_sys->rtsp->sessionTimeoutParameter();
1129         if( p_sys->i_timeout <= 0 )
1130             p_sys->i_timeout = 60; /* default value from RFC2326 */
1131
1132         /* start timeout-thread only if GET_PARAMETER is supported by the server */
1133         if( !p_sys->p_timeout && p_sys->b_get_param )
1134         {
1135             msg_Dbg( p_demux, "We have a timeout of %d seconds",  p_sys->i_timeout );
1136             p_sys->p_timeout = (timeout_thread_t *)malloc( sizeof(timeout_thread_t) );
1137             if( p_sys->p_timeout )
1138             {
1139                 memset( p_sys->p_timeout, 0, sizeof(timeout_thread_t) );
1140                 p_sys->p_timeout->p_sys = p_demux->p_sys; /* lol, object recursion :D */
1141                 if( vlc_clone( &p_sys->p_timeout->handle,  TimeoutPrevention,
1142                                p_sys->p_timeout, VLC_THREAD_PRIORITY_LOW ) )
1143                 {
1144                     msg_Err( p_demux, "cannot spawn liveMedia timeout thread" );
1145                     free( p_sys->p_timeout );
1146                     p_sys->p_timeout = NULL;
1147                 }
1148                 else
1149                     msg_Dbg( p_demux, "spawned timeout thread" );
1150             }
1151             else
1152                 msg_Err( p_demux, "cannot spawn liveMedia timeout thread" );
1153         }
1154     }
1155     p_sys->i_pcr = 0;
1156
1157     /* Retrieve the starttime if possible */
1158     p_sys->f_npt_start = p_sys->ms->playStartTime();
1159     if( p_sys->ms->playEndTime() > 0 )
1160         p_sys->f_npt_length = p_sys->ms->playEndTime();
1161
1162     msg_Dbg( p_demux, "play start: %f stop:%f", p_sys->f_npt_start, p_sys->f_npt_length );
1163     return VLC_SUCCESS;
1164 }
1165
1166
1167 /*****************************************************************************
1168  * Demux:
1169  *****************************************************************************/
1170 static int Demux( demux_t *p_demux )
1171 {
1172     demux_sys_t    *p_sys = p_demux->p_sys;
1173     TaskToken      task;
1174
1175     bool            b_send_pcr = true;
1176     int64_t         i_pcr = 0;
1177     int             i;
1178
1179     /* Check if we need to send the server a Keep-A-Live signal */
1180     if( p_sys->b_timeout_call && p_sys->rtsp && p_sys->ms )
1181     {
1182         char *psz_bye = NULL;
1183         p_sys->rtsp->sendGetParameterCommand( *p_sys->ms, NULL, psz_bye );
1184         p_sys->b_timeout_call = false;
1185     }
1186
1187     for( i = 0; i < p_sys->i_track; i++ )
1188     {
1189         live_track_t *tk = p_sys->track[i];
1190
1191         if( tk->p_es )
1192         {
1193             bool b;
1194             es_out_Control( p_demux->out, ES_OUT_GET_ES_STATE, tk->p_es, &b );
1195             if( !b && tk->b_selected )
1196             {
1197                 tk->b_selected = false;
1198                 p_sys->rtsp->sendTeardownCommand( *tk->sub, NULL );
1199             }
1200             else if( b && !tk->b_selected)
1201             {
1202                 bool b_rtsp_tcp = var_GetBool( p_demux, "rtsp-tcp" ) ||
1203                                   var_GetBool( p_demux, "rtsp-http" );
1204                 p_sys->rtsp->sendSetupCommand( *tk->sub, default_live555_callback, False,
1205                                                toBool( b_rtsp_tcp ),
1206                                                toBool( p_sys->b_force_mcast && !b_rtsp_tcp ) );
1207                 if( !wait_Live555_response( p_demux ) )
1208                 {
1209                     msg_Err( p_demux, "SETUP of'%s/%s' failed %s",
1210                              tk->sub->mediumName(), tk->sub->codecName(),
1211                              p_sys->env->getResultMsg() );
1212                 }
1213                 else
1214                 {
1215                     p_sys->rtsp->sendPlayCommand( *tk->sub, default_live555_callback, -1, -1, p_sys->ms->scale() );
1216                     if( !wait_Live555_response(p_demux) )
1217                     {
1218                         msg_Err( p_demux, "RTSP PLAY failed %s", p_sys->env->getResultMsg() );
1219                         p_sys->rtsp->sendTeardownCommand( *tk->sub, NULL );
1220                     }
1221                     else
1222                         tk->b_selected = true;
1223                 }
1224                 if( !tk->b_selected )
1225                     es_out_Control( p_demux->out, ES_OUT_SET_ES_STATE, tk->p_es, false );
1226             }
1227         }
1228
1229         if( tk->b_asf || tk->b_muxed )
1230             b_send_pcr = false;
1231 #if 0
1232         if( i_pcr == 0 )
1233         {
1234             i_pcr = tk->i_pts;
1235         }
1236         else if( tk->i_pts != 0 && i_pcr > tk->i_pts )
1237         {
1238             i_pcr = tk->i_pts ;
1239         }
1240 #endif
1241     }
1242     if( p_sys->i_pcr > 0 )
1243     {
1244         if( b_send_pcr )
1245             es_out_Control( p_demux->out, ES_OUT_SET_PCR, 1 + p_sys->i_pcr );
1246     }
1247
1248     /* First warn we want to read data */
1249     p_sys->event_data = 0;
1250     for( i = 0; i < p_sys->i_track; i++ )
1251     {
1252         live_track_t *tk = p_sys->track[i];
1253
1254         if( tk->waiting == 0 )
1255         {
1256             tk->waiting = 1;
1257             tk->sub->readSource()->getNextFrame( tk->p_buffer, tk->i_buffer,
1258                                           StreamRead, tk, StreamClose, tk );
1259         }
1260     }
1261     /* Create a task that will be called if we wait more than 300ms */
1262     task = p_sys->scheduler->scheduleDelayedTask( 300000, TaskInterruptData, p_demux );
1263
1264     /* Do the read */
1265     p_sys->scheduler->doEventLoop( &p_sys->event_data );
1266
1267     /* remove the task */
1268     p_sys->scheduler->unscheduleDelayedTask( task );
1269
1270     /* Check for gap in pts value */
1271     for( i = 0; i < p_sys->i_track; i++ )
1272     {
1273         live_track_t *tk = p_sys->track[i];
1274
1275         if( !tk->b_muxed && !tk->b_rtcp_sync &&
1276             tk->sub->rtpSource() && tk->sub->rtpSource()->hasBeenSynchronizedUsingRTCP() )
1277         {
1278             msg_Dbg( p_demux, "tk->rtpSource->hasBeenSynchronizedUsingRTCP()" );
1279
1280             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
1281             tk->b_rtcp_sync = true;
1282             /* reset PCR */
1283             tk->i_pts = VLC_TS_INVALID;
1284             tk->f_npt = 0.;
1285             p_sys->i_pcr = 0;
1286             p_sys->f_npt = 0.;
1287             i_pcr = 0;
1288         }
1289     }
1290
1291     if( p_sys->b_multicast && p_sys->b_no_data &&
1292         ( p_sys->i_no_data_ti > 120 ) )
1293     {
1294         /* FIXME Make this configurable
1295         msg_Err( p_demux, "no multicast data received in 36s, aborting" );
1296         return 0;
1297         */
1298     }
1299     else if( !p_sys->b_multicast && !p_sys->b_paused &&
1300               p_sys->b_no_data && ( p_sys->i_no_data_ti > 34 ) )
1301     {
1302         bool b_rtsp_tcp = var_GetBool( p_demux, "rtsp-tcp" ) ||
1303                                 var_GetBool( p_demux, "rtsp-http" );
1304
1305         if( !b_rtsp_tcp && p_sys->rtsp && p_sys->ms )
1306         {
1307             msg_Warn( p_demux, "no data received in 10s. Switching to TCP" );
1308             if( RollOverTcp( p_demux ) )
1309             {
1310                 msg_Err( p_demux, "TCP rollover failed, aborting" );
1311                 return 0;
1312             }
1313             return 1;
1314         }
1315         msg_Err( p_demux, "no data received in 10s, aborting" );
1316         return 0;
1317     }
1318     else if( !p_sys->b_multicast && !p_sys->b_paused &&
1319              ( p_sys->i_no_data_ti > 34 ) )
1320     {
1321         /* EOF ? */
1322         msg_Warn( p_demux, "no data received in 10s, eof ?" );
1323         return 0;
1324     }
1325     return p_sys->b_error ? 0 : 1;
1326 }
1327
1328 /*****************************************************************************
1329  * Control:
1330  *****************************************************************************/
1331 static int Control( demux_t *p_demux, int i_query, va_list args )
1332 {
1333     demux_sys_t *p_sys = p_demux->p_sys;
1334     int64_t *pi64, i64;
1335     double  *pf, f;
1336     bool *pb, *pb2;
1337     int *pi_int;
1338
1339     switch( i_query )
1340     {
1341         case DEMUX_GET_TIME:
1342             pi64 = (int64_t*)va_arg( args, int64_t * );
1343             if( p_sys->f_npt > 0 )
1344             {
1345                 *pi64 = (int64_t)(p_sys->f_npt * 1000000.);
1346                 return VLC_SUCCESS;
1347             }
1348             return VLC_EGENERIC;
1349
1350         case DEMUX_GET_LENGTH:
1351             pi64 = (int64_t*)va_arg( args, int64_t * );
1352             if( p_sys->f_npt_length > 0 )
1353             {
1354                 double d_length = p_sys->f_npt_length * 1000000.0;
1355                 if( d_length >= INT64_MAX )
1356                     *pi64 = INT64_MAX;
1357                 else
1358                     *pi64 = (int64_t)d_length;
1359                 return VLC_SUCCESS;
1360             }
1361             return VLC_EGENERIC;
1362
1363         case DEMUX_GET_POSITION:
1364             pf = (double*)va_arg( args, double* );
1365             if( (p_sys->f_npt_length > 0) && (p_sys->f_npt > 0) )
1366             {
1367                 *pf = p_sys->f_npt / p_sys->f_npt_length;
1368                 return VLC_SUCCESS;
1369             }
1370             return VLC_EGENERIC;
1371
1372         case DEMUX_SET_POSITION:
1373         case DEMUX_SET_TIME:
1374             if( p_sys->rtsp && (p_sys->f_npt_length > 0) )
1375             {
1376                 int i;
1377                 float time;
1378
1379                 if( (i_query == DEMUX_SET_TIME) && (p_sys->f_npt > 0) )
1380                 {
1381                     i64 = (int64_t)va_arg( args, int64_t );
1382                     time = (float)(i64 / 1000000.0); /* in second */
1383                 }
1384                 else if( i_query == DEMUX_SET_TIME )
1385                     return VLC_EGENERIC;
1386                 else
1387                 {
1388                     f = (double)va_arg( args, double );
1389                     time = f * p_sys->f_npt_length;   /* in second */
1390                 }
1391
1392                 if( p_sys->b_paused )
1393                 {
1394                     p_sys->f_seek_request = time;
1395                     return VLC_SUCCESS;
1396                 }
1397
1398                 p_sys->rtsp->sendPauseCommand( *p_sys->ms, default_live555_callback );
1399
1400                 if( !wait_Live555_response( p_demux ) )
1401                 {
1402                     msg_Err( p_demux, "PAUSE before seek failed %s",
1403                         p_sys->env->getResultMsg() );
1404                     return VLC_EGENERIC;
1405                 }
1406
1407                 p_sys->rtsp->sendPlayCommand( *p_sys->ms, default_live555_callback, time, -1, 1 );
1408
1409                 if( !wait_Live555_response( p_demux ) )
1410                 {
1411                     msg_Err( p_demux, "seek PLAY failed %s",
1412                         p_sys->env->getResultMsg() );
1413                     return VLC_EGENERIC;
1414                 }
1415                 p_sys->i_pcr = 0;
1416
1417                 for( i = 0; i < p_sys->i_track; i++ )
1418                 {
1419                     p_sys->track[i]->b_rtcp_sync = false;
1420                     p_sys->track[i]->i_pts = VLC_TS_INVALID;
1421                 }
1422
1423                 /* Retrieve the starttime if possible */
1424                 p_sys->f_npt = p_sys->f_npt_start = p_sys->ms->playStartTime();
1425
1426                 /* Retrieve the duration if possible */
1427                 if( p_sys->ms->playEndTime() > 0 )
1428                     p_sys->f_npt_length = p_sys->ms->playEndTime();
1429
1430                 msg_Dbg( p_demux, "seek start: %f stop:%f", p_sys->f_npt_start, p_sys->f_npt_length );
1431                 return VLC_SUCCESS;
1432             }
1433             return VLC_EGENERIC;
1434
1435         /* Special for access_demux */
1436         case DEMUX_CAN_PAUSE:
1437         case DEMUX_CAN_SEEK:
1438             pb = (bool*)va_arg( args, bool * );
1439             if( p_sys->rtsp && p_sys->f_npt_length > 0 )
1440                 /* Not always true, but will be handled in SET_PAUSE_STATE */
1441                 *pb = true;
1442             else
1443                 *pb = false;
1444             return VLC_SUCCESS;
1445
1446         case DEMUX_CAN_CONTROL_PACE:
1447             pb = (bool*)va_arg( args, bool * );
1448
1449 #if 1       /* Disable for now until we have a clock synchro algo
1450              * which works with something else than MPEG over UDP */
1451             *pb = false;
1452 #else
1453             *pb = true;
1454 #endif
1455             return VLC_SUCCESS;
1456
1457         case DEMUX_CAN_CONTROL_RATE:
1458             pb = (bool*)va_arg( args, bool * );
1459             pb2 = (bool*)va_arg( args, bool * );
1460
1461             *pb = (p_sys->rtsp != NULL) &&
1462                     (p_sys->f_npt_length > 0) &&
1463                     ( !var_GetBool( p_demux, "rtsp-kasenna" ) ||
1464                       !var_GetBool( p_demux, "rtsp-wmserver" ) );
1465             *pb2 = false;
1466             return VLC_SUCCESS;
1467
1468         case DEMUX_SET_RATE:
1469         {
1470             double f_scale, f_old_scale;
1471
1472             if( !p_sys->rtsp || (p_sys->f_npt_length <= 0) ||
1473                 var_GetBool( p_demux, "rtsp-kasenna" ) ||
1474                 var_GetBool( p_demux, "rtsp-wmserver" ) )
1475                 return VLC_EGENERIC;
1476
1477             /* According to RFC 2326 p56 chapter 12.35 a RTSP server that
1478              * supports Scale:
1479              *
1480              * "[...] should try to approximate the viewing rate, but
1481              *  may restrict the range of scale values that it supports.
1482              *  The response MUST contain the actual scale value chosen
1483              *  by the server."
1484              *
1485              * Scale = 1 indicates normal play
1486              * Scale > 1 indicates fast forward
1487              * Scale < 1 && Scale > 0 indicates slow motion
1488              * Scale < 0 value indicates rewind
1489              */
1490
1491             pi_int = (int*)va_arg( args, int * );
1492             f_scale = (double)INPUT_RATE_DEFAULT / (*pi_int);
1493             f_old_scale = p_sys->ms->scale();
1494
1495             /* Passing -1 for the start and end time will mean liveMedia won't
1496              * create a Range: section for the RTSP message. The server should
1497              * pick up from the current position */
1498             p_sys->rtsp->sendPlayCommand( *p_sys->ms, default_live555_callback, -1, -1, f_scale );
1499
1500             if( !wait_Live555_response( p_demux ) )
1501             {
1502                 msg_Err( p_demux, "PLAY with Scale %0.2f failed %s", f_scale,
1503                         p_sys->env->getResultMsg() );
1504                 return VLC_EGENERIC;
1505             }
1506
1507             if( p_sys->ms->scale() == f_old_scale )
1508             {
1509                 msg_Err( p_demux, "no scale change using old Scale %0.2f",
1510                           p_sys->ms->scale() );
1511                 return VLC_EGENERIC;
1512             }
1513
1514             /* ReSync the stream */
1515             p_sys->f_npt_start = 0;
1516             p_sys->i_pcr = 0;
1517             p_sys->f_npt = 0.0;
1518
1519             *pi_int = (int)( INPUT_RATE_DEFAULT / p_sys->ms->scale() );
1520             msg_Dbg( p_demux, "PLAY with new Scale %0.2f (%d)", p_sys->ms->scale(), (*pi_int) );
1521             return VLC_SUCCESS;
1522         }
1523
1524         case DEMUX_SET_PAUSE_STATE:
1525         {
1526             bool b_pause = (bool)va_arg( args, int );
1527             if( p_sys->rtsp == NULL )
1528                 return VLC_EGENERIC;
1529
1530             if( b_pause == p_sys->b_paused )
1531                 return VLC_SUCCESS;
1532             if( b_pause )
1533                 p_sys->rtsp->sendPauseCommand( *p_sys->ms, default_live555_callback );
1534             else
1535                 p_sys->rtsp->sendPlayCommand( *p_sys->ms, default_live555_callback, p_sys->f_seek_request,
1536                                               -1.0f, p_sys->ms->scale() );
1537
1538             if( !wait_Live555_response( p_demux ) )
1539             {
1540                 msg_Err( p_demux, "PLAY or PAUSE failed %s", p_sys->env->getResultMsg() );
1541                 return VLC_EGENERIC;
1542             }
1543             p_sys->f_seek_request = -1;
1544             p_sys->b_paused = b_pause;
1545
1546             /* When we Pause, we'll need the TimeoutPrevention thread to
1547              * handle sending the "Keep Alive" message to the server.
1548              * Unfortunately Live555 isn't thread safe and so can't
1549              * do this normally while the main Demux thread is handling
1550              * a live stream. We end up with the Timeout thread blocking
1551              * waiting for a response from the server. So when we PAUSE
1552              * we set a flag that the TimeoutPrevention function will check
1553              * and if it's set, it will trigger the GET_PARAMETER message */
1554             if( p_sys->b_paused && p_sys->p_timeout != NULL )
1555                 p_sys->p_timeout->b_handle_keep_alive = true;
1556             else if( !p_sys->b_paused && p_sys->p_timeout != NULL )
1557                 p_sys->p_timeout->b_handle_keep_alive = false;
1558
1559             if( !p_sys->b_paused )
1560             {
1561                 for( int i = 0; i < p_sys->i_track; i++ )
1562                 {
1563                     live_track_t *tk = p_sys->track[i];
1564                     tk->b_rtcp_sync = false;
1565                     tk->i_pts = VLC_TS_INVALID;
1566                     p_sys->i_pcr = 0;
1567                     es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
1568                 }
1569             }
1570
1571             /* Reset data received counter */
1572             p_sys->i_no_data_ti = 0;
1573
1574             /* Retrieve the starttime if possible */
1575             p_sys->f_npt_start = p_sys->ms->playStartTime();
1576
1577             /* Retrieve the duration if possible */
1578             if( p_sys->ms->playEndTime() )
1579                 p_sys->f_npt_length = p_sys->ms->playEndTime();
1580
1581             msg_Dbg( p_demux, "pause start: %f stop:%f", p_sys->f_npt_start, p_sys->f_npt_length );
1582             return VLC_SUCCESS;
1583         }
1584         case DEMUX_GET_TITLE_INFO:
1585         case DEMUX_SET_TITLE:
1586         case DEMUX_SET_SEEKPOINT:
1587             return VLC_EGENERIC;
1588
1589         case DEMUX_GET_PTS_DELAY:
1590             pi64 = (int64_t*)va_arg( args, int64_t * );
1591             *pi64 = INT64_C(1000)
1592                   * var_InheritInteger( p_demux, "network-caching" );
1593             return VLC_SUCCESS;
1594
1595         default:
1596             return VLC_EGENERIC;
1597     }
1598 }
1599
1600 /*****************************************************************************
1601  * RollOverTcp: reopen the rtsp into TCP mode
1602  * XXX: ugly, a lot of code are duplicated from Open()
1603  * This should REALLY be fixed
1604  *****************************************************************************/
1605 static int RollOverTcp( demux_t *p_demux )
1606 {
1607     demux_sys_t *p_sys = p_demux->p_sys;
1608     int i, i_return;
1609
1610     var_SetBool( p_demux, "rtsp-tcp", true );
1611
1612     /* We close the old RTSP session */
1613     p_sys->rtsp->sendTeardownCommand( *p_sys->ms, NULL );
1614     Medium::close( p_sys->ms );
1615     RTSPClient::close( p_sys->rtsp );
1616
1617     for( i = 0; i < p_sys->i_track; i++ )
1618     {
1619         live_track_t *tk = p_sys->track[i];
1620
1621         if( tk->b_muxed ) stream_Delete( tk->p_out_muxed );
1622         if( tk->p_es ) es_out_Del( p_demux->out, tk->p_es );
1623         if( tk->p_asf_block ) block_Release( tk->p_asf_block );
1624         es_format_Clean( &tk->fmt );
1625         free( tk->p_buffer );
1626         free( tk );
1627     }
1628     TAB_CLEAN( p_sys->i_track, p_sys->track );
1629     if( p_sys->p_out_asf ) stream_Delete( p_sys->p_out_asf );
1630
1631     p_sys->ms = NULL;
1632     p_sys->rtsp = NULL;
1633     p_sys->b_no_data = true;
1634     p_sys->i_no_data_ti = 0;
1635     p_sys->p_out_asf = NULL;
1636
1637     /* Reopen rtsp client */
1638     if( ( i_return = Connect( p_demux ) ) != VLC_SUCCESS )
1639     {
1640         msg_Err( p_demux, "Failed to connect with rtsp://%s",
1641                  p_sys->psz_path );
1642         goto error;
1643     }
1644
1645     if( p_sys->p_sdp == NULL )
1646     {
1647         msg_Err( p_demux, "Failed to retrieve the RTSP Session Description" );
1648         goto error;
1649     }
1650
1651     if( ( i_return = SessionsSetup( p_demux ) ) != VLC_SUCCESS )
1652     {
1653         msg_Err( p_demux, "Nothing to play for rtsp://%s", p_sys->psz_path );
1654         goto error;
1655     }
1656
1657     if( ( i_return = Play( p_demux ) ) != VLC_SUCCESS )
1658         goto error;
1659
1660     return VLC_SUCCESS;
1661
1662 error:
1663     return VLC_EGENERIC;
1664 }
1665
1666
1667 /*****************************************************************************
1668  *
1669  *****************************************************************************/
1670 static block_t *StreamParseAsf( demux_t *p_demux, live_track_t *tk,
1671                                 bool b_marker,
1672                                 const uint8_t *p_data, unsigned i_size )
1673 {
1674     const unsigned i_packet_size = p_demux->p_sys->asfh.i_min_data_packet_size;
1675     block_t *p_list = NULL;
1676
1677     while( i_size >= 4 )
1678     {
1679         unsigned i_flags = p_data[0];
1680         unsigned i_length_offset = (p_data[1] << 16) |
1681                                    (p_data[2] <<  8) |
1682                                    (p_data[3]      );
1683         bool b_length = i_flags & 0x40;
1684         bool b_relative_ts = i_flags & 0x20;
1685         bool b_duration = i_flags & 0x10;
1686         bool b_location_id = i_flags & 0x08;
1687
1688         //msg_Dbg( p_demux, "ASF: marker=%d size=%d : %c=%d id=%d",
1689         //         b_marker, i_size, b_length ? 'L' : 'O', i_length_offset );
1690         unsigned i_header_size = 4;
1691         if( b_relative_ts )
1692             i_header_size += 4;
1693         if( b_duration )
1694             i_header_size += 4;
1695         if( b_location_id )
1696             i_header_size += 4;
1697
1698         if( i_header_size > i_size )
1699         {
1700             msg_Warn( p_demux, "Invalid header size" );
1701             break;
1702         }
1703
1704         /* XXX
1705          * When b_length is true, the streams I found do not seems to respect
1706          * the documentation.
1707          * From them, I have failed to find which choice between '__MIN()' or
1708          * 'i_length_offset - i_header_size' is the right one.
1709          */
1710         unsigned i_payload;
1711         if( b_length )
1712             i_payload = __MIN( i_length_offset, i_size - i_header_size);
1713         else
1714             i_payload = i_size - i_header_size;
1715
1716         if( !tk->p_asf_block )
1717         {
1718             tk->p_asf_block = block_Alloc( i_packet_size );
1719             if( !tk->p_asf_block )
1720                 break;
1721             tk->p_asf_block->i_buffer = 0;
1722         }
1723         unsigned i_offset  = b_length ? 0 : i_length_offset;
1724         if( i_offset == tk->p_asf_block->i_buffer && i_offset + i_payload <= i_packet_size )
1725         {
1726             memcpy( &tk->p_asf_block->p_buffer[i_offset], &p_data[i_header_size], i_payload );
1727             tk->p_asf_block->i_buffer += i_payload;
1728             if( b_marker )
1729             {
1730                 /* We have a complete packet */
1731                 tk->p_asf_block->i_buffer = i_packet_size;
1732                 block_ChainAppend( &p_list, tk->p_asf_block );
1733                 tk->p_asf_block = NULL;
1734             }
1735         }
1736         else
1737         {
1738             /* Reset on broken stream */
1739             msg_Err( p_demux, "Broken packet detected (%d vs %zu or %d + %d vs %d)",
1740                      i_offset, tk->p_asf_block->i_buffer, i_offset, i_payload, i_packet_size);
1741             tk->p_asf_block->i_buffer = 0;
1742         }
1743
1744         /* */
1745         p_data += i_header_size + i_payload;
1746         i_size -= i_header_size + i_payload;
1747     }
1748     return p_list;
1749 }
1750
1751 /*****************************************************************************
1752  *
1753  *****************************************************************************/
1754 static void StreamRead( void *p_private, unsigned int i_size,
1755                         unsigned int i_truncated_bytes, struct timeval pts,
1756                         unsigned int duration )
1757 {
1758     VLC_UNUSED( duration );
1759
1760     live_track_t   *tk = (live_track_t*)p_private;
1761     demux_t        *p_demux = tk->p_demux;
1762     demux_sys_t    *p_sys = p_demux->p_sys;
1763     block_t        *p_block;
1764
1765     //msg_Dbg( p_demux, "pts: %d", pts.tv_sec );
1766
1767     int64_t i_pts = (int64_t)pts.tv_sec * INT64_C(1000000) +
1768         (int64_t)pts.tv_usec;
1769
1770     /* XXX Beurk beurk beurk Avoid having negative value XXX */
1771     i_pts &= INT64_C(0x00ffffffffffffff);
1772
1773     /* Retrieve NPT for this pts */
1774     tk->f_npt = tk->sub->getNormalPlayTime(pts);
1775
1776     if( tk->b_quicktime && tk->p_es == NULL )
1777     {
1778         QuickTimeGenericRTPSource *qtRTPSource =
1779             (QuickTimeGenericRTPSource*)tk->sub->rtpSource();
1780         QuickTimeGenericRTPSource::QTState &qtState = qtRTPSource->qtState;
1781         uint8_t *sdAtom = (uint8_t*)&qtState.sdAtom[4];
1782
1783         /* Get codec informations from the quicktime atoms :
1784          * http://developer.apple.com/quicktime/icefloe/dispatch026.html */
1785         if( tk->fmt.i_cat == VIDEO_ES ) {
1786             if( qtState.sdAtomSize < 16 + 32 )
1787             {
1788                 /* invalid */
1789                 p_sys->event_data = 0xff;
1790                 tk->waiting = 0;
1791                 return;
1792             }
1793             tk->fmt.i_codec = VLC_FOURCC(sdAtom[0],sdAtom[1],sdAtom[2],sdAtom[3]);
1794             tk->fmt.video.i_width  = (sdAtom[28] << 8) | sdAtom[29];
1795             tk->fmt.video.i_height = (sdAtom[30] << 8) | sdAtom[31];
1796
1797             if( tk->fmt.i_codec == VLC_FOURCC('a', 'v', 'c', '1') )
1798             {
1799                 uint8_t *pos = (uint8_t*)qtRTPSource->qtState.sdAtom + 86;
1800                 uint8_t *endpos = (uint8_t*)qtRTPSource->qtState.sdAtom
1801                                   + qtRTPSource->qtState.sdAtomSize;
1802                 while (pos+8 < endpos) {
1803                     unsigned int atomLength = pos[0]<<24 | pos[1]<<16 | pos[2]<<8 | pos[3];
1804                     if( atomLength == 0 || atomLength > (unsigned int)(endpos-pos)) break;
1805                     if( memcmp(pos+4, "avcC", 4) == 0 &&
1806                         atomLength > 8 &&
1807                         atomLength <= INT_MAX )
1808                     {
1809                         tk->fmt.i_extra = atomLength-8;
1810                         tk->fmt.p_extra = xmalloc( tk->fmt.i_extra );
1811                         memcpy(tk->fmt.p_extra, pos+8, atomLength-8);
1812                         break;
1813                     }
1814                     pos += atomLength;
1815                 }
1816             }
1817             else
1818             {
1819                 tk->fmt.i_extra        = qtState.sdAtomSize - 16;
1820                 tk->fmt.p_extra        = xmalloc( tk->fmt.i_extra );
1821                 memcpy( tk->fmt.p_extra, &sdAtom[12], tk->fmt.i_extra );
1822             }
1823         }
1824         else {
1825             if( qtState.sdAtomSize < 24 )
1826             {
1827                 /* invalid */
1828                 p_sys->event_data = 0xff;
1829                 tk->waiting = 0;
1830                 return;
1831             }
1832             tk->fmt.i_codec = VLC_FOURCC(sdAtom[0],sdAtom[1],sdAtom[2],sdAtom[3]);
1833             tk->fmt.audio.i_bitspersample = (sdAtom[22] << 8) | sdAtom[23];
1834         }
1835         tk->p_es = es_out_Add( p_demux->out, &tk->fmt );
1836     }
1837
1838 #if 0
1839     fprintf( stderr, "StreamRead size=%d pts=%lld\n",
1840              i_size,
1841              pts.tv_sec * 1000000LL + pts.tv_usec );
1842 #endif
1843
1844     /* grow buffer if it looks like buffer is too small, but don't eat
1845      * up all the memory on strange streams */
1846     if( i_truncated_bytes > 0 )
1847     {
1848         if( tk->i_buffer < 2000000 )
1849         {
1850             void *p_tmp;
1851             msg_Dbg( p_demux, "lost %d bytes", i_truncated_bytes );
1852             msg_Dbg( p_demux, "increasing buffer size to %d", tk->i_buffer * 2 );
1853             p_tmp = realloc( tk->p_buffer, tk->i_buffer * 2 );
1854             if( p_tmp == NULL )
1855             {
1856                 msg_Warn( p_demux, "realloc failed" );
1857             }
1858             else
1859             {
1860                 tk->p_buffer = (uint8_t*)p_tmp;
1861                 tk->i_buffer *= 2;
1862             }
1863         }
1864
1865         if( tk->b_discard_trunc )
1866         {
1867             p_sys->event_data = 0xff;
1868             tk->waiting = 0;
1869             return;
1870         }
1871     }
1872
1873     assert( i_size <= tk->i_buffer );
1874
1875     if( tk->fmt.i_codec == VLC_CODEC_AMR_NB ||
1876         tk->fmt.i_codec == VLC_CODEC_AMR_WB )
1877     {
1878         AMRAudioSource *amrSource = (AMRAudioSource*)tk->sub->readSource();
1879
1880         p_block = block_Alloc( i_size + 1 );
1881         p_block->p_buffer[0] = amrSource->lastFrameHeader();
1882         memcpy( p_block->p_buffer + 1, tk->p_buffer, i_size );
1883     }
1884     else if( tk->fmt.i_codec == VLC_CODEC_H261 )
1885     {
1886         H261VideoRTPSource *h261Source = (H261VideoRTPSource*)tk->sub->rtpSource();
1887         uint32_t header = h261Source->lastSpecialHeader();
1888         p_block = block_Alloc( i_size + 4 );
1889         memcpy( p_block->p_buffer, &header, 4 );
1890         memcpy( p_block->p_buffer + 4, tk->p_buffer, i_size );
1891
1892         if( tk->sub->rtpSource()->curPacketMarkerBit() )
1893             p_block->i_flags |= BLOCK_FLAG_END_OF_FRAME;
1894     }
1895     else if( tk->fmt.i_codec == VLC_CODEC_H264 )
1896     {
1897         if( (tk->p_buffer[0] & 0x1f) >= 24 )
1898             msg_Warn( p_demux, "unsupported NAL type for H264" );
1899
1900         /* Normal NAL type */
1901         p_block = block_Alloc( i_size + 4 );
1902         p_block->p_buffer[0] = 0x00;
1903         p_block->p_buffer[1] = 0x00;
1904         p_block->p_buffer[2] = 0x00;
1905         p_block->p_buffer[3] = 0x01;
1906         memcpy( &p_block->p_buffer[4], tk->p_buffer, i_size );
1907     }
1908     else if( tk->b_asf )
1909     {
1910         p_block = StreamParseAsf( p_demux, tk,
1911                                   tk->sub->rtpSource()->curPacketMarkerBit(),
1912                                   tk->p_buffer, i_size );
1913     }
1914     else
1915     {
1916         p_block = block_Alloc( i_size );
1917         memcpy( p_block->p_buffer, tk->p_buffer, i_size );
1918     }
1919
1920     if( p_sys->i_pcr < i_pts )
1921     {
1922         p_sys->i_pcr = i_pts;
1923     }
1924
1925     /* Update our global npt value */
1926     if( tk->f_npt > 0 && tk->f_npt > p_sys->f_npt &&
1927         ( tk->f_npt < p_sys->f_npt_length || p_sys->f_npt_length <= 0 ) )
1928         p_sys->f_npt = tk->f_npt;
1929
1930     if( p_block )
1931     {
1932         if( !tk->b_muxed && !tk->b_asf )
1933         {
1934             if( i_pts != tk->i_pts )
1935                 p_block->i_pts = VLC_TS_0 + i_pts;
1936             /*FIXME: for h264 you should check that packetization-mode=1 in sdp-file */
1937             p_block->i_dts = ( tk->fmt.i_codec == VLC_CODEC_MPGV ) ? VLC_TS_INVALID : (VLC_TS_0 + i_pts);
1938         }
1939
1940         if( tk->b_muxed )
1941             stream_DemuxSend( tk->p_out_muxed, p_block );
1942         else if( tk->b_asf )
1943             stream_DemuxSend( p_sys->p_out_asf, p_block );
1944         else
1945             es_out_Send( p_demux->out, tk->p_es, p_block );
1946     }
1947
1948     /* warn that's ok */
1949     p_sys->event_data = 0xff;
1950
1951     /* we have read data */
1952     tk->waiting = 0;
1953     p_demux->p_sys->b_no_data = false;
1954     p_demux->p_sys->i_no_data_ti = 0;
1955
1956     if( i_pts > 0 && !tk->b_muxed )
1957     {
1958         tk->i_pts = i_pts;
1959     }
1960 }
1961
1962 /*****************************************************************************
1963  *
1964  *****************************************************************************/
1965 static void StreamClose( void *p_private )
1966 {
1967     live_track_t   *tk = (live_track_t*)p_private;
1968     demux_t        *p_demux = tk->p_demux;
1969     demux_sys_t    *p_sys = p_demux->p_sys;
1970     tk->b_selected = false;
1971     p_sys->event_rtsp = 0xff;
1972     p_sys->event_data = 0xff;
1973
1974     if( tk->p_es )
1975         es_out_Control( p_demux->out, ES_OUT_SET_ES_STATE, tk->p_es, false );
1976
1977     int nb_tracks = 0;
1978     for( int i = 0; i < p_sys->i_track; i++ )
1979     {
1980         if( p_sys->track[i]->b_selected )
1981             nb_tracks++;
1982     }
1983     msg_Dbg( p_demux, "RTSP track Close, %d track remaining", nb_tracks );
1984     if( !nb_tracks )
1985         p_sys->b_error = true;
1986 }
1987
1988
1989 /*****************************************************************************
1990  *
1991  *****************************************************************************/
1992 static void TaskInterruptRTSP( void *p_private )
1993 {
1994     demux_t *p_demux = (demux_t*)p_private;
1995
1996     /* Avoid lock */
1997     p_demux->p_sys->event_rtsp = 0xff;
1998 }
1999
2000 static void TaskInterruptData( void *p_private )
2001 {
2002     demux_t *p_demux = (demux_t*)p_private;
2003
2004     p_demux->p_sys->i_no_data_ti++;
2005
2006     /* Avoid lock */
2007     p_demux->p_sys->event_data = 0xff;
2008 }
2009
2010 /*****************************************************************************
2011  *
2012  *****************************************************************************/
2013 VLC_NORETURN
2014 static void* TimeoutPrevention( void *p_data )
2015 {
2016     timeout_thread_t *p_timeout = (timeout_thread_t *)p_data;
2017
2018     for( ;; )
2019     {
2020         /* Voodoo (= no) thread safety here! *Ahem* */
2021         if( p_timeout->b_handle_keep_alive )
2022         {
2023             char *psz_bye = NULL;
2024             int canc = vlc_savecancel ();
2025
2026             p_timeout->p_sys->rtsp->sendGetParameterCommand( *p_timeout->p_sys->ms, NULL, psz_bye );
2027             vlc_restorecancel (canc);
2028         }
2029         p_timeout->p_sys->b_timeout_call = !p_timeout->b_handle_keep_alive;
2030
2031         msleep (((int64_t)p_timeout->p_sys->i_timeout - 2) * CLOCK_FREQ);
2032     }
2033     assert(0); /* dead code */
2034 }
2035
2036 /*****************************************************************************
2037  *
2038  *****************************************************************************/
2039 static int ParseASF( demux_t *p_demux )
2040 {
2041     demux_sys_t    *p_sys = p_demux->p_sys;
2042
2043     const char *psz_marker = "a=pgmpu:data:application/vnd.ms.wms-hdr.asfv1;base64,";
2044     char *psz_asf = strcasestr( p_sys->p_sdp, psz_marker );
2045     char *psz_end;
2046     block_t *p_header;
2047
2048     /* Parse the asf header */
2049     if( psz_asf == NULL )
2050         return VLC_EGENERIC;
2051
2052     psz_asf += strlen( psz_marker );
2053     psz_asf = strdup( psz_asf );    /* Duplicate it */
2054     psz_end = strchr( psz_asf, '\n' );
2055
2056     while( psz_end > psz_asf && ( *psz_end == '\n' || *psz_end == '\r' ) )
2057         *psz_end-- = '\0';
2058
2059     if( psz_asf >= psz_end )
2060     {
2061         free( psz_asf );
2062         return VLC_EGENERIC;
2063     }
2064
2065     /* Always smaller */
2066     p_header = block_Alloc( psz_end - psz_asf );
2067     p_header->i_buffer = vlc_b64_decode_binary_to_buffer( p_header->p_buffer,
2068                                                p_header->i_buffer, psz_asf );
2069     //msg_Dbg( p_demux, "Size=%d Hdrb64=%s", p_header->i_buffer, psz_asf );
2070     if( p_header->i_buffer <= 0 )
2071     {
2072         free( psz_asf );
2073         return VLC_EGENERIC;
2074     }
2075
2076     /* Parse it to get packet size */
2077     asf_HeaderParse( &p_sys->asfh, p_header->p_buffer, p_header->i_buffer );
2078
2079     /* Send it to demuxer */
2080     stream_DemuxSend( p_sys->p_out_asf, p_header );
2081
2082     free( psz_asf );
2083     return VLC_SUCCESS;
2084 }
2085
2086
2087 static unsigned char* parseH264ConfigStr( char const* configStr,
2088                                           unsigned int& configSize )
2089 {
2090     char *dup, *psz;
2091     size_t i_records = 1;
2092
2093     configSize = 0;
2094
2095     if( configStr == NULL || *configStr == '\0' )
2096         return NULL;
2097
2098     psz = dup = strdup( configStr );
2099
2100     /* Count the number of commas */
2101     for( psz = dup; *psz != '\0'; ++psz )
2102     {
2103         if( *psz == ',')
2104         {
2105             ++i_records;
2106             *psz = '\0';
2107         }
2108     }
2109
2110     size_t configMax = 5*strlen(dup);
2111     unsigned char *cfg = new unsigned char[configMax];
2112     psz = dup;
2113     for( size_t i = 0; i < i_records; ++i )
2114     {
2115         cfg[configSize++] = 0x00;
2116         cfg[configSize++] = 0x00;
2117         cfg[configSize++] = 0x00;
2118         cfg[configSize++] = 0x01;
2119
2120         configSize += vlc_b64_decode_binary_to_buffer( cfg+configSize,
2121                                           configMax-configSize, psz );
2122         psz += strlen(psz)+1;
2123     }
2124
2125     free( dup );
2126     return cfg;
2127 }