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 #include <Base64.hh>
  65
  66 extern "C" {
  67 #include "../access/mms/asf.h"  /* Who said ugly ? */
  68 }
  69
  70 using namespace std;
  71
  72 /*****************************************************************************
  73  * Module descriptor
  74  *****************************************************************************/
  75 static int  Open ( vlc_object_t * );
  76 static void Close( vlc_object_t * );
  77
  78 #define KASENNA_TEXT N_( "Kasenna RTSP dialect")
  79 #define KASENNA_LONGTEXT N_( "Kasenna servers use an old and nonstandard " \
  80     "dialect of RTSP. With this parameter VLC will try this dialect, but "\
  81     "then it cannot connect to normal RTSP servers." )
  82
  83 #define WMSERVER_TEXT N_("WMServer RTSP dialect")
  84 #define WMSERVER_LONGTEXT N_("WMServer uses a nonstandard dialect " \
  85     "of RTSP. Selecting this parameter will tell VLC to assume some " \
  86     "options contrary to RFC 2326 guidelines.")
  87
  88 #define USER_TEXT N_("RTSP user name")
  89 #define USER_LONGTEXT N_("Sets the username for the connection, " \
  90     "if no username or password are set in the url.")
  91 #define PASS_TEXT N_("RTSP password")
  92 #define PASS_LONGTEXT N_("Sets the password for the connection, " \
  93     "if no username or password are set in the url.")
  94 #define FRAME_BUFFER_SIZE_TEXT N_("RTSP frame buffer size")
  95 #define FRAME_BUFFER_SIZE_LONGTEXT N_("RTSP start frame buffer size of the video " \
  96     "track, can be increased in case of broken pictures due " \
  97     "to too small buffer.")
  98 #define DEFAULT_FRAME_BUFFER_SIZE 100000
  99
 100 vlc_module_begin ()
 101     set_description( N_("RTP/RTSP/SDP demuxer (using Live555)" ) )
 102     set_capability( "demux", 50 )
 103     set_shortname( "RTP/RTSP")
 104     set_callbacks( Open, Close )
 105     add_shortcut( "live", "livedotcom" )
 106     set_category( CAT_INPUT )
 107     set_subcategory( SUBCAT_INPUT_DEMUX )
 108
 109     add_submodule ()
 110         set_description( N_("RTSP/RTP access and demux") )
 111         add_shortcut( "rtsp", "pnm", "live", "livedotcom" )
 112         set_capability( "access_demux", 0 )
 113         set_callbacks( Open, Close )
 114         add_bool( "rtsp-tcp", false,
 115                   N_("Use RTP over RTSP (TCP)"),
 116                   N_("Use RTP over RTSP (TCP)"), true )
 117             change_safe()
 118         add_integer( "rtp-client-port", -1,
 119                   N_("Client port"),
 120                   N_("Port to use for the RTP source of the session"), true )
 121         add_bool( "rtsp-mcast", false,
 122                   N_("Force multicast RTP via RTSP"),
 123                   N_("Force multicast RTP via RTSP"), true )
 124             change_safe()
 125         add_bool( "rtsp-http", false,
 126                   N_("Tunnel RTSP and RTP over HTTP"),
 127                   N_("Tunnel RTSP and RTP over HTTP"), true )
 128             change_safe()
 129         add_integer( "rtsp-http-port", 80,
 130                   N_("HTTP tunnel port"),
 131                   N_("Port to use for tunneling the RTSP/RTP over HTTP."),
 132                   true )
 133         add_bool(   "rtsp-kasenna", false, KASENNA_TEXT,
 134                     KASENNA_LONGTEXT, true )
 135             change_safe()
 136         add_bool(   "rtsp-wmserver", false, WMSERVER_TEXT,
 137                     WMSERVER_LONGTEXT, true)
 138             change_safe()
 139         add_string( "rtsp-user", NULL, USER_TEXT,
 140                     USER_LONGTEXT, true )
 141             change_safe()
 142         add_password( "rtsp-pwd", NULL, PASS_TEXT,
 143                       PASS_LONGTEXT, true )
 144         add_integer( "rtsp-frame-buffer-size", DEFAULT_FRAME_BUFFER_SIZE,
 145                      FRAME_BUFFER_SIZE_TEXT, FRAME_BUFFER_SIZE_LONGTEXT,
 146                      true )
 147 vlc_module_end ()
 148
 149
 150 /*****************************************************************************
 151  * Local prototypes
 152  *****************************************************************************/
 153
 154 typedef struct
 155 {
 156     demux_t         *p_demux;
 157     MediaSubsession *sub;
 158
 159     es_format_t     fmt;
 160     es_out_id_t     *p_es;
 161
 162     bool            b_muxed;
 163     bool            b_quicktime;
 164     bool            b_asf;
 165     block_t         *p_asf_block;
 166     bool            b_discard_trunc;
 167     stream_t        *p_out_muxed;    /* for muxed stream */
 168
 169     uint8_t         *p_buffer;
 170     unsigned int    i_buffer;
 171
 172     bool            b_rtcp_sync;
 173     char            waiting;
 174     int64_t         i_pts;
 175     double          f_npt;
 176
 177     bool            b_selected;
 178
 179 } live_track_t;
 180
 181 struct timeout_thread_t
 182 {
 183     demux_sys_t  *p_sys;
 184     vlc_thread_t handle;
 185     bool         b_handle_keep_alive;
 186 };
 187
 188 class RTSPClientVlc;
 189
 190 struct demux_sys_t
 191 {
 192     char            *p_sdp;    /* XXX mallocated */
 193     char            *psz_path; /* URL-encoded path */
 194     vlc_url_t       url;
 195
 196     MediaSession     *ms;
 197     TaskScheduler    *scheduler;
 198     UsageEnvironment *env ;
 199     RTSPClientVlc    *rtsp;
 200
 201     /* */
 202     int              i_track;
 203     live_track_t     **track;
 204
 205     /* Weird formats */
 206     asf_header_t     asfh;
 207     stream_t         *p_out_asf;
 208     bool             b_real;
 209
 210     /* */
 211     int64_t          i_pcr; /* The clock */
 212     double           f_npt;
 213     double           f_npt_length;
 214     double           f_npt_start;
 215
 216     /* timeout thread information */
 217     int              i_timeout;     /* session timeout value in seconds */
 218     bool             b_timeout_call;/* mark to send an RTSP call to prevent server timeout */
 219     timeout_thread_t *p_timeout;    /* the actual thread that makes sure we don't timeout */
 220
 221     /* */
 222     bool             b_force_mcast;
 223     bool             b_multicast;   /* if one of the tracks is multicasted */
 224     bool             b_no_data;     /* if we never received any data */
 225     int              i_no_data_ti;  /* consecutive number of TaskInterrupt */
 226
 227     char             event_rtsp;
 228     char             event_data;
 229
 230     bool             b_get_param;   /* Does the server support GET_PARAMETER */
 231     bool             b_paused;      /* Are we paused? */
 232     bool             b_error;
 233     int              i_live555_ret; /* live555 callback return code */
 234
 235     float            f_seek_request;/* In case we receive a seek request while paused*/
 236 };
 237
 238
 239 class RTSPClientVlc : public RTSPClient
 240 {
 241 public:
 242     RTSPClientVlc( UsageEnvironment& env, char const* rtspURL, int verbosityLevel,
 243                    char const* applicationName, portNumBits tunnelOverHTTPPortNum,
 244                    demux_sys_t *p_sys) :
 245                    RTSPClient( env, rtspURL, verbosityLevel, applicationName,
 246                    tunnelOverHTTPPortNum
 247 #if LIVEMEDIA_LIBRARY_VERSION_INT >= 1373932800
 248                    , -1
 249 #endif
 250                    )
 251     {
 252         this->p_sys = p_sys;
 253     }
 254     demux_sys_t *p_sys;
 255 };
 256
 257 static int Demux  ( demux_t * );
 258 static int Control( demux_t *, int, va_list );
 259
 260 static int Connect      ( demux_t * );
 261 static int SessionsSetup( demux_t * );
 262 static int Play         ( demux_t *);
 263 static int ParseASF     ( demux_t * );
 264 static int RollOverTcp  ( demux_t * );
 265
 266 static void StreamRead  ( void *, unsigned int, unsigned int,
 267                           struct timeval, unsigned int );
 268 static void StreamClose ( void * );
 269 static void TaskInterruptData( void * );
 270 static void TaskInterruptRTSP( void * );
 271
 272 static void* TimeoutPrevention( void * );
 273
 274 static unsigned char* parseH264ConfigStr( char const* configStr,
 275                                           unsigned int& configSize );
 276 static unsigned char* parseVorbisConfigStr( char const* configStr,
 277                                             unsigned int& configSize );
 278
 279 /*****************************************************************************
 280  * DemuxOpen:
 281  *****************************************************************************/
 282 static int  Open ( vlc_object_t *p_this )
 283 {
 284     demux_t     *p_demux = (demux_t*)p_this;
 285     demux_sys_t *p_sys = NULL;
 286
 287     int i_return;
 288     int i_error = VLC_EGENERIC;
 289
 290     if( p_demux->s )
 291     {
 292         /* See if it looks like a SDP
 293            v, o, s fields are mandatory and in this order */
 294         const uint8_t *p_peek;
 295         if( stream_Peek( p_demux->s, &p_peek, 7 ) < 7 ) return VLC_EGENERIC;
 296
 297         if( memcmp( p_peek, "v=0\r\n", 5 ) &&
 298             memcmp( p_peek, "v=0\n", 4 ) &&
 299             ( p_peek[0] < 'a' || p_peek[0] > 'z' || p_peek[1] != '=' ) )
 300         {
 301             return VLC_EGENERIC;
 302         }
 303     }
 304
 305     p_demux->pf_demux  = Demux;
 306     p_demux->pf_control= Control;
 307     p_demux->p_sys     = p_sys = (demux_sys_t*)calloc( 1, sizeof( demux_sys_t ) );
 308     if( !p_sys ) return VLC_ENOMEM;
 309
 310     msg_Dbg( p_demux, "version " LIVEMEDIA_LIBRARY_VERSION_STRING );
 311
 312     TAB_INIT( p_sys->i_track, p_sys->track );
 313     p_sys->f_npt = 0.;
 314     p_sys->f_npt_start = 0.;
 315     p_sys->f_npt_length = 0.;
 316     p_sys->b_no_data = true;
 317     p_sys->psz_path = strdup( p_demux->psz_location );
 318     p_sys->b_force_mcast = var_InheritBool( p_demux, "rtsp-mcast" );
 319     p_sys->f_seek_request = -1;
 320
 321     /* parse URL for rtsp://[user:[passwd]@]serverip:port/options */
 322     vlc_UrlParse( &p_sys->url, p_sys->psz_path, 0 );
 323
 324     if( ( p_sys->scheduler = BasicTaskScheduler::createNew() ) == NULL )
 325     {
 326         msg_Err( p_demux, "BasicTaskScheduler::createNew failed" );
 327         goto error;
 328     }
 329     if( !( p_sys->env = BasicUsageEnvironment::createNew(*p_sys->scheduler) ) )
 330     {
 331         msg_Err( p_demux, "BasicUsageEnvironment::createNew failed" );
 332         goto error;
 333     }
 334
 335     if( strcasecmp( p_demux->psz_access, "sdp" ) )
 336     {
 337         char *p = p_sys->psz_path;
 338         while( (p = strchr( p, ' ' )) != NULL ) *p = '+';
 339     }
 340
 341     if( p_demux->s != NULL )
 342     {
 343         /* Gather the complete sdp file */
 344         int     i_sdp       = 0;
 345         int     i_sdp_max   = 1000;
 346         uint8_t *p_sdp      = (uint8_t*) malloc( i_sdp_max );
 347
 348         if( !p_sdp )
 349         {
 350             i_error = VLC_ENOMEM;
 351             goto error;
 352         }
 353
 354         for( ;; )
 355         {
 356             int i_read = stream_Read( p_demux->s, &p_sdp[i_sdp],
 357                                       i_sdp_max - i_sdp - 1 );
 358
 359             if( !vlc_object_alive (p_demux) )
 360             {
 361                 free( p_sdp );
 362                 goto error;
 363             }
 364
 365             if( i_read < 0 )
 366             {
 367                 msg_Err( p_demux, "failed to read SDP" );
 368                 free( p_sdp );
 369                 goto error;
 370             }
 371
 372             i_sdp += i_read;
 373
 374             if( i_read < i_sdp_max - i_sdp - 1 )
 375             {
 376                 p_sdp[i_sdp] = '\0';
 377                 break;
 378             }
 379
 380             i_sdp_max += 1000;
 381             p_sdp = (uint8_t*)xrealloc( p_sdp, i_sdp_max );
 382         }
 383         p_sys->p_sdp = (char*)p_sdp;
 384     }
 385     else if( ( i_return = Connect( p_demux ) ) != VLC_SUCCESS )
 386     {
 387         msg_Err( p_demux, "Failed to connect with rtsp://%s", p_sys->psz_path );
 388         goto error;
 389     }
 390
 391     if( p_sys->p_sdp == NULL )
 392     {
 393         msg_Err( p_demux, "Failed to retrieve the RTSP Session Description" );
 394         i_error = VLC_ENOMEM;
 395         goto error;
 396     }
 397
 398     if( ( i_return = SessionsSetup( p_demux ) ) != VLC_SUCCESS )
 399     {
 400         msg_Err( p_demux, "Nothing to play for rtsp://%s", p_sys->psz_path );
 401         goto error;
 402     }
 403
 404     if( p_sys->b_real ) goto error;
 405
 406     if( ( i_return = Play( p_demux ) ) != VLC_SUCCESS )
 407         goto error;
 408
 409     if( p_sys->p_out_asf && ParseASF( p_demux ) )
 410     {
 411         msg_Err( p_demux, "cannot find a usable asf header" );
 412         /* TODO Clean tracks */
 413         goto error;
 414     }
 415
 416     if( p_sys->i_track <= 0 )
 417         goto error;
 418
 419     return VLC_SUCCESS;
 420
 421 error:
 422     Close( p_this );
 423     return i_error;
 424 }
 425
 426 /*****************************************************************************
 427  * DemuxClose:
 428  *****************************************************************************/
 429 static void Close( vlc_object_t *p_this )
 430 {
 431     demux_t *p_demux = (demux_t*)p_this;
 432     demux_sys_t *p_sys = p_demux->p_sys;
 433
 434     if( p_sys->p_timeout )
 435     {
 436         vlc_cancel( p_sys->p_timeout->handle );
 437         vlc_join( p_sys->p_timeout->handle, NULL );
 438         free( p_sys->p_timeout );
 439     }
 440
 441     if( p_sys->rtsp && p_sys->ms ) p_sys->rtsp->sendTeardownCommand( *p_sys->ms, NULL );
 442     if( p_sys->ms ) Medium::close( p_sys->ms );
 443     if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp );
 444     if( p_sys->env ) p_sys->env->reclaim();
 445
 446     for( int i = 0; i < p_sys->i_track; i++ )
 447     {
 448         live_track_t *tk = p_sys->track[i];
 449
 450         if( tk->b_muxed ) stream_Delete( tk->p_out_muxed );
 451         es_format_Clean( &tk->fmt );
 452         free( tk->p_buffer );
 453         free( tk );
 454     }
 455     TAB_CLEAN( p_sys->i_track, p_sys->track );
 456     if( p_sys->p_out_asf ) stream_Delete( p_sys->p_out_asf );
 457     delete p_sys->scheduler;
 458     free( p_sys->p_sdp );
 459     free( p_sys->psz_path );
 460
 461     vlc_UrlClean( &p_sys->url );
 462
 463     free( p_sys );
 464 }
 465
 466 static inline const char *strempty( const char *s ) { return s?s:""; }
 467 static inline Boolean toBool( bool b ) { return b?True:False; } // silly, no?
 468
 469 static void default_live555_callback( RTSPClient* client, int result_code, char* result_string )
 470 {
 471     RTSPClientVlc *client_vlc = static_cast<RTSPClientVlc *> ( client );
 472     demux_sys_t *p_sys = client_vlc->p_sys;
 473     delete []result_string;
 474     p_sys->i_live555_ret = result_code;
 475     p_sys->b_error = p_sys->i_live555_ret != 0;
 476     p_sys->event_rtsp = 1;
 477 }
 478
 479 /* return true if the RTSP command succeeded */
 480 static bool wait_Live555_response( demux_t *p_demux, int i_timeout = 0 /* ms */ )
 481 {
 482     TaskToken task;
 483     demux_sys_t * p_sys = p_demux->p_sys;
 484     p_sys->event_rtsp = 0;
 485     if( i_timeout > 0 )
 486     {
 487         /* Create a task that will be called if we wait more than timeout ms */
 488         task = p_sys->scheduler->scheduleDelayedTask( i_timeout*1000,
 489                                                       TaskInterruptRTSP,
 490                                                       p_demux );
 491     }
 492     p_sys->event_rtsp = 0;
 493     p_sys->b_error = true;
 494     p_sys->i_live555_ret = 0;
 495     p_sys->scheduler->doEventLoop( &p_sys->event_rtsp );
 496     //here, if b_error is true and i_live555_ret = 0 we didn't receive a response
 497     if( i_timeout > 0 )
 498     {
 499         /* remove the task */
 500         p_sys->scheduler->unscheduleDelayedTask( task );
 501     }
 502     return !p_sys->b_error;
 503 }
 504
 505 static void continueAfterDESCRIBE( RTSPClient* client, int result_code,
 506                                    char* result_string )
 507 {
 508     RTSPClientVlc *client_vlc = static_cast<RTSPClientVlc *> ( client );
 509     demux_sys_t *p_sys = client_vlc->p_sys;
 510     p_sys->i_live555_ret = result_code;
 511     if ( result_code == 0 )
 512     {
 513         char* sdpDescription = result_string;
 514         free( p_sys->p_sdp );
 515         p_sys->p_sdp = NULL;
 516         if( sdpDescription )
 517         {
 518             p_sys->p_sdp = strdup( sdpDescription );
 519             p_sys->b_error = false;
 520         }
 521     }
 522     else
 523         p_sys->b_error = true;
 524     delete[] result_string;
 525     p_sys->event_rtsp = 1;
 526 }
 527
 528 static void continueAfterOPTIONS( RTSPClient* client, int result_code,
 529                                   char* result_string )
 530 {
 531     RTSPClientVlc *client_vlc = static_cast<RTSPClientVlc *> (client);
 532     demux_sys_t *p_sys = client_vlc->p_sys;
 533     p_sys->b_get_param =
 534       // If OPTIONS fails, assume GET_PARAMETER is not supported but
 535       // still continue on with the stream.  Some servers (foscam)
 536       // return 501/not implemented for OPTIONS.
 537       result_code == 0
 538       && result_string != NULL
 539       && strstr( result_string, "GET_PARAMETER" ) != NULL;
 540     client->sendDescribeCommand( continueAfterDESCRIBE );
 541     delete[] result_string;
 542 }
 543
 544 /*****************************************************************************
 545  * Connect: connects to the RTSP server to setup the session DESCRIBE
 546  *****************************************************************************/
 547 static int Connect( demux_t *p_demux )
 548 {
 549     demux_sys_t *p_sys = p_demux->p_sys;
 550     Authenticator authenticator;
 551     char *psz_user    = NULL;
 552     char *psz_pwd     = NULL;
 553     char *psz_url     = NULL;
 554     int  i_http_port  = 0;
 555     int  i_ret        = VLC_SUCCESS;
 556     const int i_timeout = var_InheritInteger( p_demux, "ipv4-timeout" );
 557
 558     /* Get the user name and password */
 559     if( p_sys->url.psz_username || p_sys->url.psz_password )
 560     {
 561         /* Create the URL by stripping away the username/password part */
 562         if( p_sys->url.i_port == 0 )
 563             p_sys->url.i_port = 554;
 564         if( asprintf( &psz_url, "rtsp://%s:%d%s",
 565                       strempty( p_sys->url.psz_host ),
 566                       p_sys->url.i_port,
 567                       strempty( p_sys->url.psz_path ) ) == -1 )
 568             return VLC_ENOMEM;
 569
 570         psz_user = strdup( strempty( p_sys->url.psz_username ) );
 571         psz_pwd  = strdup( strempty( p_sys->url.psz_password ) );
 572     }
 573     else
 574     {
 575         if( asprintf( &psz_url, "rtsp://%s", p_sys->psz_path ) == -1 )
 576             return VLC_ENOMEM;
 577
 578         psz_user = var_InheritString( p_demux, "rtsp-user" );
 579         psz_pwd  = var_InheritString( p_demux, "rtsp-pwd" );
 580     }
 581
 582 createnew:
 583     if( !vlc_object_alive (p_demux) )
 584     {
 585         i_ret = VLC_EGENERIC;
 586         goto bailout;
 587     }
 588
 589     if( var_CreateGetBool( p_demux, "rtsp-http" ) )
 590         i_http_port = var_InheritInteger( p_demux, "rtsp-http-port" );
 591
 592     p_sys->rtsp = new RTSPClientVlc( *p_sys->env, psz_url,
 593                                      var_InheritInteger( p_demux, "verbose" ) > 1 ? 1 : 0,
 594                                      "LibVLC/" VERSION, i_http_port, p_sys );
 595     if( !p_sys->rtsp )
 596     {
 597         msg_Err( p_demux, "RTSPClient::createNew failed (%s)",
 598                  p_sys->env->getResultMsg() );
 599         i_ret = VLC_EGENERIC;
 600         goto bailout;
 601     }
 602
 603     /* Kasenna enables KeepAlive by analysing the User-Agent string.
 604      * Appending _KA to the string should be enough to enable this feature,
 605      * however, there is a bug where the _KA doesn't get parsed from the
 606      * default User-Agent as created by VLC/Live555 code. This is probably due
 607      * to spaces in the string or the string being too long. Here we override
 608      * the default string with a more compact version.
 609      */
 610     if( var_InheritBool( p_demux, "rtsp-kasenna" ))
 611     {
 612         p_sys->rtsp->setUserAgentString( "VLC_MEDIA_PLAYER_KA" );
 613     }
 614
 615 describe:
 616     authenticator.setUsernameAndPassword( psz_user, psz_pwd );
 617
 618     p_sys->rtsp->sendOptionsCommand( &continueAfterOPTIONS, &authenticator );
 619
 620     if( !wait_Live555_response( p_demux, i_timeout ) )
 621     {
 622         int i_code = p_sys->i_live555_ret;
 623         if( i_code == 401 )
 624         {
 625             msg_Dbg( p_demux, "authentication failed" );
 626
 627             free( psz_user );
 628             free( psz_pwd );
 629             dialog_Login( p_demux, &psz_user, &psz_pwd,
 630                           _("RTSP authentication"), "%s",
 631                         _("Please enter a valid login name and a password.") );
 632             if( psz_user != NULL && psz_pwd != NULL )
 633             {
 634                 msg_Dbg( p_demux, "retrying with user=%s", psz_user );
 635                 goto describe;
 636             }
 637         }
 638         else if( i_code > 0 && i_code != 404 && !var_GetBool( p_demux, "rtsp-http" ) )
 639         {
 640             /* Perhaps a firewall is being annoying. Try HTTP tunneling mode */
 641             msg_Dbg( p_demux, "we will now try HTTP tunneling mode" );
 642             var_SetBool( p_demux, "rtsp-http", true );
 643             if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp );
 644             p_sys->rtsp = NULL;
 645             goto createnew;
 646         }
 647         else
 648         {
 649             if( i_code == 0 )
 650                 msg_Dbg( p_demux, "connection timeout" );
 651             else
 652             {
 653                 msg_Dbg( p_demux, "connection error %d", i_code );
 654                 if( i_code == 403 )
 655                     dialog_Fatal( p_demux, _("RTSP connection failed"),
 656                                   _("Access to the stream is denied by the server configuration.") );
 657             }
 658             if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp );
 659             p_sys->rtsp = NULL;
 660         }
 661         i_ret = VLC_EGENERIC;
 662     }
 663
 664 bailout:
 665     /* malloc-ated copy */
 666     free( psz_url );
 667     free( psz_user );
 668     free( psz_pwd );
 669
 670     return i_ret;
 671 }
 672
 673 /*****************************************************************************
 674  * SessionsSetup: prepares the subsessions and does the SETUP
 675  *****************************************************************************/
 676 static int SessionsSetup( demux_t *p_demux )
 677 {
 678     demux_sys_t             *p_sys  = p_demux->p_sys;
 679     MediaSubsessionIterator *iter   = NULL;
 680     MediaSubsession         *sub    = NULL;
 681
 682     bool           b_rtsp_tcp;
 683     int            i_client_port;
 684     int            i_return = VLC_SUCCESS;
 685     unsigned int   i_receive_buffer = 0;
 686     int            i_frame_buffer = DEFAULT_FRAME_BUFFER_SIZE;
 687     unsigned const thresh = 200000; /* RTP reorder threshold .2 second (default .1) */
 688     const char     *p_sess_lang = NULL;
 689     const char     *p_lang;
 690
 691     b_rtsp_tcp    = var_CreateGetBool( p_demux, "rtsp-tcp" ) ||
 692                     var_GetBool( p_demux, "rtsp-http" );
 693     i_client_port = var_InheritInteger( p_demux, "rtp-client-port" );
 694
 695
 696     /* Create the session from the SDP */
 697     if( !( p_sys->ms = MediaSession::createNew( *p_sys->env, p_sys->p_sdp ) ) )
 698     {
 699         msg_Err( p_demux, "Could not create the RTSP Session: %s",
 700             p_sys->env->getResultMsg() );
 701         return VLC_EGENERIC;
 702     }
 703
 704     if( strcmp( p_sys->p_sdp, "m=" ) != 0 )
 705     {
 706         const char *p_sess_attr_end;
 707
 708         p_sess_attr_end = strstr( p_sys->p_sdp, "\nm=" );
 709         if( !p_sess_attr_end )
 710             p_sess_attr_end = strstr( p_sys->p_sdp, "\rm=" );
 711
 712         p_sess_lang = p_sess_attr_end ? strstr( p_sys->p_sdp, "a=lang:" ) : NULL;
 713         if( p_sess_lang &&
 714             p_sess_lang - p_sys->p_sdp > p_sess_attr_end - p_sys->p_sdp )
 715             p_sess_lang = NULL;
 716     }
 717
 718     /* Initialise each media subsession */
 719     iter = new MediaSubsessionIterator( *p_sys->ms );
 720     while( ( sub = iter->next() ) != NULL )
 721     {
 722         Boolean bInit;
 723         live_track_t *tk;
 724
 725         if( !vlc_object_alive (p_demux) )
 726         {
 727             delete iter;
 728             return VLC_EGENERIC;
 729         }
 730
 731         /* Value taken from mplayer */
 732         if( !strcmp( sub->mediumName(), "audio" ) )
 733             i_receive_buffer = 100000;
 734         else if( !strcmp( sub->mediumName(), "video" ) )
 735         {
 736             int i_var_buf_size = var_InheritInteger( p_demux, "rtsp-frame-buffer-size" );
 737             if( i_var_buf_size > 0 )
 738                 i_frame_buffer = i_var_buf_size;
 739             i_receive_buffer = 2000000;
 740         }
 741         else if( !strcmp( sub->mediumName(), "text" ) )
 742             ;
 743         else continue;
 744
 745         if( i_client_port != -1 )
 746         {
 747             sub->setClientPortNum( i_client_port );
 748             i_client_port += 2;
 749         }
 750
 751         if( strcasestr( sub->codecName(), "REAL" ) )
 752         {
 753             msg_Info( p_demux, "real codec detected, using real-RTSP instead" );
 754             p_sys->b_real = true; /* This is a problem, we'll handle it later */
 755             continue;
 756         }
 757
 758         if( !strcmp( sub->codecName(), "X-ASF-PF" ) )
 759             bInit = sub->initiate( 0 );
 760         else
 761             bInit = sub->initiate();
 762
 763         if( !bInit )
 764         {
 765             msg_Warn( p_demux, "RTP subsession '%s/%s' failed (%s)",
 766                       sub->mediumName(), sub->codecName(),
 767                       p_sys->env->getResultMsg() );
 768         }
 769         else
 770         {
 771             if( sub->rtpSource() != NULL )
 772             {
 773                 int fd = sub->rtpSource()->RTPgs()->socketNum();
 774
 775                 /* Increase the buffer size */
 776                 if( i_receive_buffer > 0 )
 777                     increaseReceiveBufferTo( *p_sys->env, fd, i_receive_buffer );
 778
 779                 /* Increase the RTP reorder timebuffer just a bit */
 780                 sub->rtpSource()->setPacketReorderingThresholdTime(thresh);
 781             }
 782             msg_Dbg( p_demux, "RTP subsession '%s/%s'", sub->mediumName(),
 783                      sub->codecName() );
 784
 785             /* Issue the SETUP */
 786             if( p_sys->rtsp )
 787             {
 788                 p_sys->rtsp->sendSetupCommand( *sub, default_live555_callback, False,
 789                                                toBool( b_rtsp_tcp ),
 790                                                toBool( p_sys->b_force_mcast && !b_rtsp_tcp ) );
 791                 if( !wait_Live555_response( p_demux ) )
 792                 {
 793                     /* if we get an unsupported transport error, toggle TCP
 794                      * use and try again */
 795                     if( p_sys->i_live555_ret == 461 )
 796                         p_sys->rtsp->sendSetupCommand( *sub, default_live555_callback, False,
 797                                                        !toBool( b_rtsp_tcp ), False );
 798                     if( p_sys->i_live555_ret != 461 || !wait_Live555_response( p_demux ) )
 799                     {
 800                         msg_Err( p_demux, "SETUP of'%s/%s' failed %s",
 801                                  sub->mediumName(), sub->codecName(),
 802                                  p_sys->env->getResultMsg() );
 803                         continue;
 804                     }
 805                     else
 806                     {
 807                         var_SetBool( p_demux, "rtsp-tcp", true );
 808                         b_rtsp_tcp = true;
 809                     }
 810                 }
 811             }
 812
 813             /* Check if we will receive data from this subsession for
 814              * this track */
 815             if( sub->readSource() == NULL ) continue;
 816             if( !p_sys->b_multicast )
 817             {
 818                 /* We need different rollover behaviour for multicast */
 819                 p_sys->b_multicast = IsMulticastAddress( sub->connectionEndpointAddress() );
 820             }
 821
 822             tk = (live_track_t*)malloc( sizeof( live_track_t ) );
 823             if( !tk )
 824             {
 825                 delete iter;
 826                 return VLC_ENOMEM;
 827             }
 828             tk->p_demux     = p_demux;
 829             tk->sub         = sub;
 830             tk->p_es        = NULL;
 831             tk->b_quicktime = false;
 832             tk->b_asf       = false;
 833             tk->p_asf_block = NULL;
 834             tk->b_muxed     = false;
 835             tk->b_discard_trunc = false;
 836             tk->p_out_muxed = NULL;
 837             tk->waiting     = 0;
 838             tk->b_rtcp_sync = false;
 839             tk->i_pts       = VLC_TS_INVALID;
 840             tk->f_npt       = 0.;
 841             tk->b_selected  = true;
 842             tk->i_buffer    = i_frame_buffer;
 843             tk->p_buffer    = (uint8_t *)malloc( i_frame_buffer );
 844
 845             if( !tk->p_buffer )
 846             {
 847                 free( tk );
 848                 delete iter;
 849                 return VLC_ENOMEM;
 850             }
 851
 852             /* Value taken from mplayer */
 853             if( !strcmp( sub->mediumName(), "audio" ) )
 854             {
 855                 es_format_Init( &tk->fmt, AUDIO_ES, VLC_FOURCC('u','n','d','f') );
 856                 tk->fmt.audio.i_channels = sub->numChannels();
 857                 tk->fmt.audio.i_rate = sub->rtpTimestampFrequency();
 858
 859                 if( !strcmp( sub->codecName(), "MPA" ) ||
 860                     !strcmp( sub->codecName(), "MPA-ROBUST" ) ||
 861                     !strcmp( sub->codecName(), "X-MP3-DRAFT-00" ) )
 862                 {
 863                     tk->fmt.i_codec = VLC_CODEC_MPGA;
 864                     tk->fmt.audio.i_rate = 0;
 865                 }
 866                 else if( !strcmp( sub->codecName(), "AC3" ) )
 867                 {
 868                     tk->fmt.i_codec = VLC_CODEC_A52;
 869                     tk->fmt.audio.i_rate = 0;
 870                 }
 871                 else if( !strcmp( sub->codecName(), "L16" ) )
 872                 {
 873                     tk->fmt.i_codec = VLC_CODEC_S16B;
 874                     tk->fmt.audio.i_bitspersample = 16;
 875                 }
 876                 else if( !strcmp( sub->codecName(), "L20" ) )
 877                 {
 878                     tk->fmt.i_codec = VLC_CODEC_S20B;
 879                     tk->fmt.audio.i_bitspersample = 20;
 880                 }
 881                 else if( !strcmp( sub->codecName(), "L24" ) )
 882                 {
 883                     tk->fmt.i_codec = VLC_CODEC_S24B;
 884                     tk->fmt.audio.i_bitspersample = 24;
 885                 }
 886                 else if( !strcmp( sub->codecName(), "L8" ) )
 887                 {
 888                     tk->fmt.i_codec = VLC_CODEC_U8;
 889                     tk->fmt.audio.i_bitspersample = 8;
 890                 }
 891                 else if( !strcmp( sub->codecName(), "DAT12" ) )
 892                 {
 893                     tk->fmt.i_codec = VLC_CODEC_DAT12;
 894                     tk->fmt.audio.i_bitspersample = 12;
 895                 }
 896                 else if( !strcmp( sub->codecName(), "PCMU" ) )
 897                 {
 898                     tk->fmt.i_codec = VLC_CODEC_MULAW;
 899                     tk->fmt.audio.i_bitspersample = 8;
 900                 }
 901                 else if( !strcmp( sub->codecName(), "PCMA" ) )
 902                 {
 903                     tk->fmt.i_codec = VLC_CODEC_ALAW;
 904                     tk->fmt.audio.i_bitspersample = 8;
 905                 }
 906                 else if( !strncmp( sub->codecName(), "G726", 4 ) )
 907                 {
 908                     tk->fmt.i_codec = VLC_CODEC_ADPCM_G726;
 909                     tk->fmt.audio.i_rate = 8000;
 910                     tk->fmt.audio.i_channels = 1;
 911                     if( !strcmp( sub->codecName()+5, "40" ) )
 912                         tk->fmt.i_bitrate = 40000;
 913                     else if( !strcmp( sub->codecName()+5, "32" ) )
 914                         tk->fmt.i_bitrate = 32000;
 915                     else if( !strcmp( sub->codecName()+5, "24" ) )
 916                         tk->fmt.i_bitrate = 24000;
 917                     else if( !strcmp( sub->codecName()+5, "16" ) )
 918                         tk->fmt.i_bitrate = 16000;
 919                 }
 920                 else if( !strcmp( sub->codecName(), "AMR" ) )
 921                 {
 922                     tk->fmt.i_codec = VLC_CODEC_AMR_NB;
 923                 }
 924                 else if( !strcmp( sub->codecName(), "AMR-WB" ) )
 925                 {
 926                     tk->fmt.i_codec = VLC_CODEC_AMR_WB;
 927                 }
 928                 else if( !strcmp( sub->codecName(), "MP4A-LATM" ) )
 929                 {
 930                     unsigned int i_extra;
 931                     uint8_t      *p_extra;
 932
 933                     tk->fmt.i_codec = VLC_CODEC_MP4A;
 934
 935                     if( ( p_extra = parseStreamMuxConfigStr( sub->fmtp_config(),
 936                                                              i_extra ) ) )
 937                     {
 938                         tk->fmt.i_extra = i_extra;
 939                         tk->fmt.p_extra = xmalloc( i_extra );
 940                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
 941                         delete[] p_extra;
 942                     }
 943                     /* Because the "faad" decoder does not handle the LATM
 944                      * data length field at the start of each returned LATM
 945                      * frame, tell the RTP source to omit. */
 946                     ((MPEG4LATMAudioRTPSource*)sub->rtpSource())->omitLATMDataLengthField();
 947                 }
 948                 else if( !strcmp( sub->codecName(), "MPEG4-GENERIC" ) )
 949                 {
 950                     unsigned int i_extra;
 951                     uint8_t      *p_extra;
 952
 953                     tk->fmt.i_codec = VLC_CODEC_MP4A;
 954
 955                     if( ( p_extra = parseGeneralConfigStr( sub->fmtp_config(),
 956                                                            i_extra ) ) )
 957                     {
 958                         tk->fmt.i_extra = i_extra;
 959                         tk->fmt.p_extra = xmalloc( i_extra );
 960                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
 961                         delete[] p_extra;
 962                     }
 963                 }
 964                 else if( !strcmp( sub->codecName(), "X-ASF-PF" ) )
 965                 {
 966                     tk->b_asf = true;
 967                     if( p_sys->p_out_asf == NULL )
 968                         p_sys->p_out_asf = stream_DemuxNew( p_demux, "asf",
 969                                                             p_demux->out );
 970                 }
 971                 else if( !strcmp( sub->codecName(), "X-QT" ) ||
 972                          !strcmp( sub->codecName(), "X-QUICKTIME" ) )
 973                 {
 974                     tk->b_quicktime = true;
 975                 }
 976                 else if( !strcmp( sub->codecName(), "SPEEX" ) )
 977                 {
 978                     tk->fmt.i_codec = VLC_FOURCC( 's', 'p', 'x', 'r' );
 979                     if ( tk->fmt.audio.i_rate == 0 )
 980                     {
 981                         msg_Warn( p_demux,"Using 8kHz as default sample rate." );
 982                         tk->fmt.audio.i_rate = 8000;
 983                     }
 984                 }
 985                 else if( !strcmp( sub->codecName(), "VORBIS" ) )
 986                 {
 987                     tk->fmt.i_codec = VLC_CODEC_VORBIS;
 988                     unsigned int i_extra;
 989                     unsigned char *p_extra;
 990                     if( ( p_extra=parseVorbisConfigStr( sub->fmtp_config(),
 991                                                         i_extra ) ) )
 992                     {
 993                         tk->fmt.i_extra = i_extra;
 994                         tk->fmt.p_extra = p_extra;
 995                     }
 996                     else
 997                         msg_Warn( p_demux,"Missing or unsupported vorbis header." );
 998                 }
 999             }
1000             else if( !strcmp( sub->mediumName(), "video" ) )
1001             {
1002                 es_format_Init( &tk->fmt, VIDEO_ES, VLC_FOURCC('u','n','d','f') );
1003                 if( !strcmp( sub->codecName(), "MPV" ) )
1004                 {
1005                     tk->fmt.i_codec = VLC_CODEC_MPGV;
1006                     tk->fmt.b_packetized = false;
1007                 }
1008                 else if( !strcmp( sub->codecName(), "H263" ) ||
1009                          !strcmp( sub->codecName(), "H263-1998" ) ||
1010                          !strcmp( sub->codecName(), "H263-2000" ) )
1011                 {
1012                     tk->fmt.i_codec = VLC_CODEC_H263;
1013                 }
1014                 else if( !strcmp( sub->codecName(), "H261" ) )
1015                 {
1016                     tk->fmt.i_codec = VLC_CODEC_H261;
1017                 }
1018                 else if( !strcmp( sub->codecName(), "H264" ) )
1019                 {
1020                     unsigned int i_extra = 0;
1021                     uint8_t      *p_extra = NULL;
1022
1023                     tk->fmt.i_codec = VLC_CODEC_H264;
1024                     tk->fmt.b_packetized = false;
1025
1026                     if((p_extra=parseH264ConfigStr( sub->fmtp_spropparametersets(),
1027                                                     i_extra ) ) )
1028                     {
1029                         tk->fmt.i_extra = i_extra;
1030                         tk->fmt.p_extra = xmalloc( i_extra );
1031                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
1032
1033                         delete[] p_extra;
1034                     }
1035                 }
1036 #if LIVEMEDIA_LIBRARY_VERSION_INT >= 1393372800 // 2014.02.26
1037                 else if( !strcmp( sub->codecName(), "H265" ) )
1038                 {
1039                    unsigned int i_extra1 = 0, i_extra2 = 0, i_extra3 = 0, i_extraTot;
1040                     uint8_t      *p_extra1 = NULL, *p_extra2 = NULL, *p_extra3 = NULL;
1041
1042                     tk->fmt.i_codec = VLC_CODEC_HEVC;
1043                     tk->fmt.b_packetized = false;
1044
1045                     p_extra1 = parseH264ConfigStr( sub->fmtp_spropvps(), i_extra1 );
1046                     p_extra2 = parseH264ConfigStr( sub->fmtp_spropsps(), i_extra2 );
1047                     p_extra3 = parseH264ConfigStr( sub->fmtp_sproppps(), i_extra3 );
1048                    i_extraTot = i_extra1 + i_extra2 + i_extra3;
1049                    if( i_extraTot > 0 )
1050                     {
1051                         tk->fmt.i_extra = i_extraTot;
1052                         tk->fmt.p_extra = xmalloc( i_extraTot );
1053                        if( p_extra1 )
1054                        {
1055                             memcpy( tk->fmt.p_extra, p_extra1, i_extra1 );
1056                        }
1057                        if( p_extra2 )
1058                        {
1059                          memcpy( ((char*)tk->fmt.p_extra)+i_extra1, p_extra2, i_extra2 );
1060                        }
1061                        if( p_extra3 )
1062                        {
1063                          memcpy( ((char*)tk->fmt.p_extra)+i_extra1+i_extra2, p_extra3, i_extra3 );
1064                        }
1065
1066                         delete[] p_extra1; delete[] p_extra2; delete[] p_extra3;
1067                     }
1068                 }
1069 #endif
1070                 else if( !strcmp( sub->codecName(), "JPEG" ) )
1071                 {
1072                     tk->fmt.i_codec = VLC_CODEC_MJPG;
1073                 }
1074                 else if( !strcmp( sub->codecName(), "MP4V-ES" ) )
1075                 {
1076                     unsigned int i_extra;
1077                     uint8_t      *p_extra;
1078
1079                     tk->fmt.i_codec = VLC_CODEC_MP4V;
1080
1081                     if( ( p_extra = parseGeneralConfigStr( sub->fmtp_config(),
1082                                                            i_extra ) ) )
1083                     {
1084                         tk->fmt.i_extra = i_extra;
1085                         tk->fmt.p_extra = xmalloc( i_extra );
1086                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
1087                         delete[] p_extra;
1088                     }
1089                 }
1090                 else if( !strcmp( sub->codecName(), "X-QT" ) ||
1091                          !strcmp( sub->codecName(), "X-QUICKTIME" ) ||
1092                          !strcmp( sub->codecName(), "X-QDM" ) ||
1093                          !strcmp( sub->codecName(), "X-SV3V-ES" )  ||
1094                          !strcmp( sub->codecName(), "X-SORENSONVIDEO" ) )
1095                 {
1096                     tk->b_quicktime = true;
1097                 }
1098                 else if( !strcmp( sub->codecName(), "MP2T" ) )
1099                 {
1100                     tk->b_muxed = true;
1101                     tk->p_out_muxed = stream_DemuxNew( p_demux, "ts", p_demux->out );
1102                 }
1103                 else if( !strcmp( sub->codecName(), "MP2P" ) ||
1104                          !strcmp( sub->codecName(), "MP1S" ) )
1105                 {
1106                     tk->b_muxed = true;
1107                     tk->p_out_muxed = stream_DemuxNew( p_demux, "ps",
1108                                                        p_demux->out );
1109                 }
1110                 else if( !strcmp( sub->codecName(), "X-ASF-PF" ) )
1111                 {
1112                     tk->b_asf = true;
1113                     if( p_sys->p_out_asf == NULL )
1114                         p_sys->p_out_asf = stream_DemuxNew( p_demux, "asf",
1115                                                             p_demux->out );;
1116                 }
1117                 else if( !strcmp( sub->codecName(), "DV" ) )
1118                 {
1119                     tk->b_muxed = true;
1120                     tk->b_discard_trunc = true;
1121                     tk->p_out_muxed = stream_DemuxNew( p_demux, "rawdv",
1122                                                        p_demux->out );
1123                 }
1124                 else if( !strcmp( sub->codecName(), "VP8" ) )
1125                 {
1126                     tk->fmt.i_codec = VLC_CODEC_VP8;
1127                 }
1128                 else if( !strcmp( sub->codecName(), "THEORA" ) )
1129                 {
1130                     tk->fmt.i_codec = VLC_CODEC_THEORA;
1131                     unsigned int i_extra;
1132                     unsigned char *p_extra;
1133                     if( ( p_extra=parseVorbisConfigStr( sub->fmtp_config(),
1134                                                         i_extra ) ) )
1135                     {
1136                         tk->fmt.i_extra = i_extra;
1137                         tk->fmt.p_extra = p_extra;
1138                     }
1139                     else
1140                         msg_Warn( p_demux,"Missing or unsupported theora header." );
1141                 }
1142             }
1143             else if( !strcmp( sub->mediumName(), "text" ) )
1144             {
1145                 es_format_Init( &tk->fmt, SPU_ES, VLC_FOURCC('u','n','d','f') );
1146
1147                 if( !strcmp( sub->codecName(), "T140" ) )
1148                 {
1149                     tk->fmt.i_codec = VLC_CODEC_ITU_T140;
1150                 }
1151             }
1152
1153             /* Try and parse a=lang: attribute */
1154             p_lang = strstr( sub->savedSDPLines(), "a=lang:" );
1155             if( !p_lang )
1156                 p_lang = p_sess_lang;
1157
1158             if( p_lang )
1159             {
1160                 unsigned i_lang_len;
1161                 p_lang += 7;
1162                 i_lang_len = strcspn( p_lang, " \r\n" );
1163                 tk->fmt.psz_language = strndup( p_lang, i_lang_len );
1164             }
1165
1166             if( !tk->b_quicktime && !tk->b_muxed && !tk->b_asf )
1167             {
1168                 tk->p_es = es_out_Add( p_demux->out, &tk->fmt );
1169             }
1170
1171             if( sub->rtcpInstance() != NULL )
1172             {
1173                 sub->rtcpInstance()->setByeHandler( StreamClose, tk );
1174             }
1175
1176             if( tk->p_es || tk->b_quicktime || ( tk->b_muxed && tk->p_out_muxed ) ||
1177                 ( tk->b_asf && p_sys->p_out_asf ) )
1178             {
1179                 TAB_APPEND_CAST( (live_track_t **), p_sys->i_track, p_sys->track, tk );
1180             }
1181             else
1182             {
1183                 /* BUG ??? */
1184                 msg_Err( p_demux, "unusable RTSP track. this should not happen" );
1185                 es_format_Clean( &tk->fmt );
1186                 free( tk );
1187             }
1188         }
1189     }
1190     delete iter;
1191     if( p_sys->i_track <= 0 ) i_return = VLC_EGENERIC;
1192
1193     /* Retrieve the starttime if possible */
1194     p_sys->f_npt_start = p_sys->ms->playStartTime();
1195
1196     /* Retrieve the duration if possible */
1197     p_sys->f_npt_length = p_sys->ms->playEndTime();
1198
1199     /* */
1200     msg_Dbg( p_demux, "setup start: %f stop:%f", p_sys->f_npt_start, p_sys->f_npt_length );
1201
1202     /* */
1203     p_sys->b_no_data = true;
1204     p_sys->i_no_data_ti = 0;
1205
1206     return i_return;
1207 }
1208
1209 /*****************************************************************************
1210  * Play: starts the actual playback of the stream
1211  *****************************************************************************/
1212 static int Play( demux_t *p_demux )
1213 {
1214     demux_sys_t *p_sys = p_demux->p_sys;
1215
1216     if( p_sys->rtsp )
1217     {
1218         /* The PLAY */
1219         p_sys->rtsp->sendPlayCommand( *p_sys->ms, default_live555_callback, p_sys->f_npt_start, -1, 1 );
1220
1221         if( !wait_Live555_response(p_demux) )
1222         {
1223             msg_Err( p_demux, "RTSP PLAY failed %s", p_sys->env->getResultMsg() );
1224             return VLC_EGENERIC;
1225         }
1226
1227         /* Retrieve the timeout value and set up a timeout prevention thread */
1228         p_sys->i_timeout = p_sys->rtsp->sessionTimeoutParameter();
1229         if( p_sys->i_timeout <= 0 )
1230             p_sys->i_timeout = 60; /* default value from RFC2326 */
1231
1232         /* start timeout-thread only if GET_PARAMETER is supported by the server */
1233         /* or start it if wmserver dialect, since they don't report that GET_PARAMETER is supported correctly */
1234         if( !p_sys->p_timeout && ( p_sys->b_get_param || var_InheritBool( p_demux, "rtsp-wmserver" ) ) )
1235         {
1236             msg_Dbg( p_demux, "We have a timeout of %d seconds",  p_sys->i_timeout );
1237             p_sys->p_timeout = (timeout_thread_t *)malloc( sizeof(timeout_thread_t) );
1238             if( p_sys->p_timeout )
1239             {
1240                 memset( p_sys->p_timeout, 0, sizeof(timeout_thread_t) );
1241                 p_sys->p_timeout->p_sys = p_demux->p_sys; /* lol, object recursion :D */
1242                 if( vlc_clone( &p_sys->p_timeout->handle,  TimeoutPrevention,
1243                                p_sys->p_timeout, VLC_THREAD_PRIORITY_LOW ) )
1244                 {
1245                     msg_Err( p_demux, "cannot spawn liveMedia timeout thread" );
1246                     free( p_sys->p_timeout );
1247                     p_sys->p_timeout = NULL;
1248                 }
1249                 else
1250                     msg_Dbg( p_demux, "spawned timeout thread" );
1251             }
1252             else
1253                 msg_Err( p_demux, "cannot spawn liveMedia timeout thread" );
1254         }
1255     }
1256     p_sys->i_pcr = 0;
1257
1258     /* Retrieve the starttime if possible */
1259     p_sys->f_npt_start = p_sys->ms->playStartTime();
1260     if( p_sys->ms->playEndTime() > 0 )
1261         p_sys->f_npt_length = p_sys->ms->playEndTime();
1262
1263     msg_Dbg( p_demux, "play start: %f stop:%f", p_sys->f_npt_start, p_sys->f_npt_length );
1264     return VLC_SUCCESS;
1265 }
1266
1267
1268 /*****************************************************************************
1269  * Demux:
1270  *****************************************************************************/
1271 static int Demux( demux_t *p_demux )
1272 {
1273     demux_sys_t    *p_sys = p_demux->p_sys;
1274     TaskToken      task;
1275
1276     bool            b_send_pcr = true;
1277     int             i;
1278
1279     /* Check if we need to send the server a Keep-A-Live signal */
1280     if( p_sys->b_timeout_call && p_sys->rtsp && p_sys->ms )
1281     {
1282         char *psz_bye = NULL;
1283         p_sys->rtsp->sendGetParameterCommand( *p_sys->ms, NULL, psz_bye );
1284         p_sys->b_timeout_call = false;
1285     }
1286
1287     for( i = 0; i < p_sys->i_track; i++ )
1288     {
1289         live_track_t *tk = p_sys->track[i];
1290
1291         if( tk->p_es )
1292         {
1293             bool b;
1294             es_out_Control( p_demux->out, ES_OUT_GET_ES_STATE, tk->p_es, &b );
1295             if( !b && tk->b_selected )
1296             {
1297                 tk->b_selected = false;
1298                 p_sys->rtsp->sendTeardownCommand( *tk->sub, NULL );
1299             }
1300             else if( b && !tk->b_selected)
1301             {
1302                 bool b_rtsp_tcp = var_GetBool( p_demux, "rtsp-tcp" ) ||
1303                                   var_GetBool( p_demux, "rtsp-http" );
1304                 p_sys->rtsp->sendSetupCommand( *tk->sub, default_live555_callback, False,
1305                                                toBool( b_rtsp_tcp ),
1306                                                toBool( p_sys->b_force_mcast && !b_rtsp_tcp ) );
1307                 if( !wait_Live555_response( p_demux ) )
1308                 {
1309                     msg_Err( p_demux, "SETUP of'%s/%s' failed %s",
1310                              tk->sub->mediumName(), tk->sub->codecName(),
1311                              p_sys->env->getResultMsg() );
1312                 }
1313                 else
1314                 {
1315                     p_sys->rtsp->sendPlayCommand( *tk->sub, default_live555_callback, -1, -1, p_sys->ms->scale() );
1316                     if( !wait_Live555_response(p_demux) )
1317                     {
1318                         msg_Err( p_demux, "RTSP PLAY failed %s", p_sys->env->getResultMsg() );
1319                         p_sys->rtsp->sendTeardownCommand( *tk->sub, NULL );
1320                     }
1321                     else
1322                         tk->b_selected = true;
1323                 }
1324                 if( !tk->b_selected )
1325                     es_out_Control( p_demux->out, ES_OUT_SET_ES_STATE, tk->p_es, false );
1326             }
1327         }
1328
1329         if( tk->b_asf || tk->b_muxed )
1330             b_send_pcr = false;
1331     }
1332     if( p_sys->i_pcr > 0 )
1333     {
1334         if( b_send_pcr )
1335             es_out_Control( p_demux->out, ES_OUT_SET_PCR, 1 + p_sys->i_pcr );
1336     }
1337
1338     /* First warn we want to read data */
1339     p_sys->event_data = 0;
1340     for( i = 0; i < p_sys->i_track; i++ )
1341     {
1342         live_track_t *tk = p_sys->track[i];
1343
1344         if( tk->waiting == 0 )
1345         {
1346             tk->waiting = 1;
1347             tk->sub->readSource()->getNextFrame( tk->p_buffer, tk->i_buffer,
1348                                           StreamRead, tk, StreamClose, tk );
1349         }
1350     }
1351     /* Create a task that will be called if we wait more than 300ms */
1352     task = p_sys->scheduler->scheduleDelayedTask( 300000, TaskInterruptData, p_demux );
1353
1354     /* Do the read */
1355     p_sys->scheduler->doEventLoop( &p_sys->event_data );
1356
1357     /* remove the task */
1358     p_sys->scheduler->unscheduleDelayedTask( task );
1359
1360     /* Check for gap in pts value */
1361     for( i = 0; i < p_sys->i_track; i++ )
1362     {
1363         live_track_t *tk = p_sys->track[i];
1364
1365         if( !tk->b_muxed && !tk->b_rtcp_sync &&
1366             tk->sub->rtpSource() && tk->sub->rtpSource()->hasBeenSynchronizedUsingRTCP() )
1367         {
1368             msg_Dbg( p_demux, "tk->rtpSource->hasBeenSynchronizedUsingRTCP()" );
1369
1370             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
1371             tk->b_rtcp_sync = true;
1372             /* reset PCR */
1373             tk->i_pts = VLC_TS_INVALID;
1374             tk->f_npt = 0.;
1375             p_sys->i_pcr = 0;
1376             p_sys->f_npt = 0.;
1377         }
1378     }
1379
1380     if( p_sys->b_multicast && p_sys->b_no_data &&
1381         ( p_sys->i_no_data_ti > 120 ) )
1382     {
1383         /* FIXME Make this configurable
1384         msg_Err( p_demux, "no multicast data received in 36s, aborting" );
1385         return 0;
1386         */
1387     }
1388     else if( !p_sys->b_multicast && !p_sys->b_paused &&
1389               p_sys->b_no_data && ( p_sys->i_no_data_ti > 34 ) )
1390     {
1391         bool b_rtsp_tcp = var_GetBool( p_demux, "rtsp-tcp" ) ||
1392                                 var_GetBool( p_demux, "rtsp-http" );
1393
1394         if( !b_rtsp_tcp && p_sys->rtsp && p_sys->ms )
1395         {
1396             msg_Warn( p_demux, "no data received in 10s. Switching to TCP" );
1397             if( RollOverTcp( p_demux ) )
1398             {
1399                 msg_Err( p_demux, "TCP rollover failed, aborting" );
1400                 return 0;
1401             }
1402             return 1;
1403         }
1404         msg_Err( p_demux, "no data received in 10s, aborting" );
1405         return 0;
1406     }
1407     else if( !p_sys->b_multicast && !p_sys->b_paused &&
1408              ( p_sys->i_no_data_ti > 34 ) )
1409     {
1410         /* EOF ? */
1411         msg_Warn( p_demux, "no data received in 10s, eof ?" );
1412         return 0;
1413     }
1414     return p_sys->b_error ? 0 : 1;
1415 }
1416
1417 /*****************************************************************************
1418  * Control:
1419  *****************************************************************************/
1420 static int Control( demux_t *p_demux, int i_query, va_list args )
1421 {
1422     demux_sys_t *p_sys = p_demux->p_sys;
1423     int64_t *pi64, i64;
1424     double  *pf, f;
1425     bool *pb, *pb2;
1426     int *pi_int;
1427
1428     switch( i_query )
1429     {
1430         case DEMUX_GET_TIME:
1431             pi64 = (int64_t*)va_arg( args, int64_t * );
1432             if( p_sys->f_npt > 0 )
1433             {
1434                 *pi64 = (int64_t)(p_sys->f_npt * 1000000.);
1435                 return VLC_SUCCESS;
1436             }
1437             return VLC_EGENERIC;
1438
1439         case DEMUX_GET_LENGTH:
1440             pi64 = (int64_t*)va_arg( args, int64_t * );
1441             if( p_sys->f_npt_length > 0 )
1442             {
1443                 double d_length = p_sys->f_npt_length * 1000000.0;
1444                 if( d_length >= INT64_MAX )
1445                     *pi64 = INT64_MAX;
1446                 else
1447                     *pi64 = (int64_t)d_length;
1448                 return VLC_SUCCESS;
1449             }
1450             return VLC_EGENERIC;
1451
1452         case DEMUX_GET_POSITION:
1453             pf = (double*)va_arg( args, double* );
1454             if( (p_sys->f_npt_length > 0) && (p_sys->f_npt > 0) )
1455             {
1456                 *pf = p_sys->f_npt / p_sys->f_npt_length;
1457                 return VLC_SUCCESS;
1458             }
1459             return VLC_EGENERIC;
1460
1461         case DEMUX_SET_POSITION:
1462         case DEMUX_SET_TIME:
1463             if( p_sys->rtsp && (p_sys->f_npt_length > 0) )
1464             {
1465                 int i;
1466                 float time;
1467
1468                 if( (i_query == DEMUX_SET_TIME) && (p_sys->f_npt > 0) )
1469                 {
1470                     i64 = (int64_t)va_arg( args, int64_t );
1471                     time = (float)(i64 / 1000000.0); /* in second */
1472                 }
1473                 else if( i_query == DEMUX_SET_TIME )
1474                     return VLC_EGENERIC;
1475                 else
1476                 {
1477                     f = (double)va_arg( args, double );
1478                     time = f * p_sys->f_npt_length;   /* in second */
1479                 }
1480
1481                 if( p_sys->b_paused )
1482                 {
1483                     p_sys->f_seek_request = time;
1484                     return VLC_SUCCESS;
1485                 }
1486
1487                 p_sys->rtsp->sendPauseCommand( *p_sys->ms, default_live555_callback );
1488
1489                 if( !wait_Live555_response( p_demux ) )
1490                 {
1491                     msg_Err( p_demux, "PAUSE before seek failed %s",
1492                         p_sys->env->getResultMsg() );
1493                     return VLC_EGENERIC;
1494                 }
1495
1496                 p_sys->rtsp->sendPlayCommand( *p_sys->ms, default_live555_callback, time, -1, 1 );
1497
1498                 if( !wait_Live555_response( p_demux ) )
1499                 {
1500                     msg_Err( p_demux, "seek PLAY failed %s",
1501                         p_sys->env->getResultMsg() );
1502                     return VLC_EGENERIC;
1503                 }
1504                 p_sys->i_pcr = 0;
1505
1506                 for( i = 0; i < p_sys->i_track; i++ )
1507                 {
1508                     p_sys->track[i]->b_rtcp_sync = false;
1509                     p_sys->track[i]->i_pts = VLC_TS_INVALID;
1510                 }
1511
1512                 /* Retrieve the starttime if possible */
1513                 p_sys->f_npt = p_sys->f_npt_start = p_sys->ms->playStartTime();
1514
1515                 /* Retrieve the duration if possible */
1516                 if( p_sys->ms->playEndTime() > 0 )
1517                     p_sys->f_npt_length = p_sys->ms->playEndTime();
1518
1519                 msg_Dbg( p_demux, "seek start: %f stop:%f", p_sys->f_npt_start, p_sys->f_npt_length );
1520                 return VLC_SUCCESS;
1521             }
1522             return VLC_EGENERIC;
1523
1524         /* Special for access_demux */
1525         case DEMUX_CAN_PAUSE:
1526         case DEMUX_CAN_SEEK:
1527             pb = (bool*)va_arg( args, bool * );
1528             if( p_sys->rtsp && p_sys->f_npt_length > 0 )
1529                 /* Not always true, but will be handled in SET_PAUSE_STATE */
1530                 *pb = true;
1531             else
1532                 *pb = false;
1533             return VLC_SUCCESS;
1534
1535         case DEMUX_CAN_CONTROL_PACE:
1536             pb = (bool*)va_arg( args, bool * );
1537
1538 #if 1       /* Disable for now until we have a clock synchro algo
1539              * which works with something else than MPEG over UDP */
1540             *pb = false;
1541 #else
1542             *pb = true;
1543 #endif
1544             return VLC_SUCCESS;
1545
1546         case DEMUX_CAN_CONTROL_RATE:
1547             pb = (bool*)va_arg( args, bool * );
1548             pb2 = (bool*)va_arg( args, bool * );
1549
1550             *pb = (p_sys->rtsp != NULL) &&
1551                     (p_sys->f_npt_length > 0) &&
1552                     ( !var_GetBool( p_demux, "rtsp-kasenna" ) ||
1553                       !var_GetBool( p_demux, "rtsp-wmserver" ) );
1554             *pb2 = false;
1555             return VLC_SUCCESS;
1556
1557         case DEMUX_SET_RATE:
1558         {
1559             double f_scale, f_old_scale;
1560
1561             if( !p_sys->rtsp || (p_sys->f_npt_length <= 0) ||
1562                 var_GetBool( p_demux, "rtsp-kasenna" ) ||
1563                 var_GetBool( p_demux, "rtsp-wmserver" ) )
1564                 return VLC_EGENERIC;
1565
1566             /* According to RFC 2326 p56 chapter 12.35 a RTSP server that
1567              * supports Scale:
1568              *
1569              * "[...] should try to approximate the viewing rate, but
1570              *  may restrict the range of scale values that it supports.
1571              *  The response MUST contain the actual scale value chosen
1572              *  by the server."
1573              *
1574              * Scale = 1 indicates normal play
1575              * Scale > 1 indicates fast forward
1576              * Scale < 1 && Scale > 0 indicates slow motion
1577              * Scale < 0 value indicates rewind
1578              */
1579
1580             pi_int = (int*)va_arg( args, int * );
1581             f_scale = (double)INPUT_RATE_DEFAULT / (*pi_int);
1582             f_old_scale = p_sys->ms->scale();
1583
1584             /* Passing -1 for the start and end time will mean liveMedia won't
1585              * create a Range: section for the RTSP message. The server should
1586              * pick up from the current position */
1587             p_sys->rtsp->sendPlayCommand( *p_sys->ms, default_live555_callback, -1, -1, f_scale );
1588
1589             if( !wait_Live555_response( p_demux ) )
1590             {
1591                 msg_Err( p_demux, "PLAY with Scale %0.2f failed %s", f_scale,
1592                         p_sys->env->getResultMsg() );
1593                 return VLC_EGENERIC;
1594             }
1595
1596             if( p_sys->ms->scale() == f_old_scale )
1597             {
1598                 msg_Err( p_demux, "no scale change using old Scale %0.2f",
1599                           p_sys->ms->scale() );
1600                 return VLC_EGENERIC;
1601             }
1602
1603             /* ReSync the stream */
1604             p_sys->f_npt_start = 0;
1605             p_sys->i_pcr = 0;
1606             p_sys->f_npt = 0.0;
1607
1608             *pi_int = (int)( INPUT_RATE_DEFAULT / p_sys->ms->scale() );
1609             msg_Dbg( p_demux, "PLAY with new Scale %0.2f (%d)", p_sys->ms->scale(), (*pi_int) );
1610             return VLC_SUCCESS;
1611         }
1612
1613         case DEMUX_SET_PAUSE_STATE:
1614         {
1615             bool b_pause = (bool)va_arg( args, int );
1616             if( p_sys->rtsp == NULL )
1617                 return VLC_EGENERIC;
1618
1619             if( b_pause == p_sys->b_paused )
1620                 return VLC_SUCCESS;
1621             if( b_pause )
1622                 p_sys->rtsp->sendPauseCommand( *p_sys->ms, default_live555_callback );
1623             else
1624                 p_sys->rtsp->sendPlayCommand( *p_sys->ms, default_live555_callback, p_sys->f_seek_request,
1625                                               -1.0f, p_sys->ms->scale() );
1626
1627             if( !wait_Live555_response( p_demux ) )
1628             {
1629                 msg_Err( p_demux, "PLAY or PAUSE failed %s", p_sys->env->getResultMsg() );
1630                 return VLC_EGENERIC;
1631             }
1632             p_sys->f_seek_request = -1;
1633             p_sys->b_paused = b_pause;
1634
1635             /* When we Pause, we'll need the TimeoutPrevention thread to
1636              * handle sending the "Keep Alive" message to the server.
1637              * Unfortunately Live555 isn't thread safe and so can't
1638              * do this normally while the main Demux thread is handling
1639              * a live stream. We end up with the Timeout thread blocking
1640              * waiting for a response from the server. So when we PAUSE
1641              * we set a flag that the TimeoutPrevention function will check
1642              * and if it's set, it will trigger the GET_PARAMETER message */
1643             if( p_sys->b_paused && p_sys->p_timeout != NULL )
1644                 p_sys->p_timeout->b_handle_keep_alive = true;
1645             else if( !p_sys->b_paused && p_sys->p_timeout != NULL )
1646                 p_sys->p_timeout->b_handle_keep_alive = false;
1647
1648             if( !p_sys->b_paused )
1649             {
1650                 for( int i = 0; i < p_sys->i_track; i++ )
1651                 {
1652                     live_track_t *tk = p_sys->track[i];
1653                     tk->b_rtcp_sync = false;
1654                     tk->i_pts = VLC_TS_INVALID;
1655                     p_sys->i_pcr = 0;
1656                     es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
1657                 }
1658             }
1659
1660             /* Reset data received counter */
1661             p_sys->i_no_data_ti = 0;
1662
1663             /* Retrieve the starttime if possible */
1664             p_sys->f_npt_start = p_sys->ms->playStartTime();
1665
1666             /* Retrieve the duration if possible */
1667             if( p_sys->ms->playEndTime() )
1668                 p_sys->f_npt_length = p_sys->ms->playEndTime();
1669
1670             msg_Dbg( p_demux, "pause start: %f stop:%f", p_sys->f_npt_start, p_sys->f_npt_length );
1671             return VLC_SUCCESS;
1672         }
1673         case DEMUX_GET_TITLE_INFO:
1674         case DEMUX_SET_TITLE:
1675         case DEMUX_SET_SEEKPOINT:
1676             return VLC_EGENERIC;
1677
1678         case DEMUX_GET_PTS_DELAY:
1679             pi64 = (int64_t*)va_arg( args, int64_t * );
1680             *pi64 = INT64_C(1000)
1681                   * var_InheritInteger( p_demux, "network-caching" );
1682             return VLC_SUCCESS;
1683
1684         default:
1685             return VLC_EGENERIC;
1686     }
1687 }
1688
1689 /*****************************************************************************
1690  * RollOverTcp: reopen the rtsp into TCP mode
1691  * XXX: ugly, a lot of code are duplicated from Open()
1692  * This should REALLY be fixed
1693  *****************************************************************************/
1694 static int RollOverTcp( demux_t *p_demux )
1695 {
1696     demux_sys_t *p_sys = p_demux->p_sys;
1697     int i, i_return;
1698
1699     var_SetBool( p_demux, "rtsp-tcp", true );
1700
1701     /* We close the old RTSP session */
1702     p_sys->rtsp->sendTeardownCommand( *p_sys->ms, NULL );
1703     Medium::close( p_sys->ms );
1704     RTSPClient::close( p_sys->rtsp );
1705
1706     for( i = 0; i < p_sys->i_track; i++ )
1707     {
1708         live_track_t *tk = p_sys->track[i];
1709
1710         if( tk->b_muxed ) stream_Delete( tk->p_out_muxed );
1711         if( tk->p_es ) es_out_Del( p_demux->out, tk->p_es );
1712         if( tk->p_asf_block ) block_Release( tk->p_asf_block );
1713         es_format_Clean( &tk->fmt );
1714         free( tk->p_buffer );
1715         free( tk );
1716     }
1717     TAB_CLEAN( p_sys->i_track, p_sys->track );
1718     if( p_sys->p_out_asf ) stream_Delete( p_sys->p_out_asf );
1719
1720     p_sys->ms = NULL;
1721     p_sys->rtsp = NULL;
1722     p_sys->b_no_data = true;
1723     p_sys->i_no_data_ti = 0;
1724     p_sys->p_out_asf = NULL;
1725
1726     /* Reopen rtsp client */
1727     if( ( i_return = Connect( p_demux ) ) != VLC_SUCCESS )
1728     {
1729         msg_Err( p_demux, "Failed to connect with rtsp://%s",
1730                  p_sys->psz_path );
1731         goto error;
1732     }
1733
1734     if( p_sys->p_sdp == NULL )
1735     {
1736         msg_Err( p_demux, "Failed to retrieve the RTSP Session Description" );
1737         goto error;
1738     }
1739
1740     if( ( i_return = SessionsSetup( p_demux ) ) != VLC_SUCCESS )
1741     {
1742         msg_Err( p_demux, "Nothing to play for rtsp://%s", p_sys->psz_path );
1743         goto error;
1744     }
1745
1746     if( ( i_return = Play( p_demux ) ) != VLC_SUCCESS )
1747         goto error;
1748
1749     return VLC_SUCCESS;
1750
1751 error:
1752     return VLC_EGENERIC;
1753 }
1754
1755
1756 /*****************************************************************************
1757  *
1758  *****************************************************************************/
1759 static block_t *StreamParseAsf( demux_t *p_demux, live_track_t *tk,
1760                                 bool b_marker,
1761                                 const uint8_t *p_data, unsigned i_size )
1762 {
1763     const unsigned i_packet_size = p_demux->p_sys->asfh.i_min_data_packet_size;
1764     block_t *p_list = NULL;
1765
1766     while( i_size >= 4 )
1767     {
1768         unsigned i_flags = p_data[0];
1769         unsigned i_length_offset = (p_data[1] << 16) |
1770                                    (p_data[2] <<  8) |
1771                                    (p_data[3]      );
1772         bool b_length = i_flags & 0x40;
1773         bool b_relative_ts = i_flags & 0x20;
1774         bool b_duration = i_flags & 0x10;
1775         bool b_location_id = i_flags & 0x08;
1776
1777         //msg_Dbg( p_demux, "ASF: marker=%d size=%d : %c=%d id=%d",
1778         //         b_marker, i_size, b_length ? 'L' : 'O', i_length_offset );
1779         unsigned i_header_size = 4;
1780         if( b_relative_ts )
1781             i_header_size += 4;
1782         if( b_duration )
1783             i_header_size += 4;
1784         if( b_location_id )
1785             i_header_size += 4;
1786
1787         if( i_header_size > i_size )
1788         {
1789             msg_Warn( p_demux, "Invalid header size" );
1790             break;
1791         }
1792
1793         /* XXX
1794          * When b_length is true, the streams I found do not seems to respect
1795          * the documentation.
1796          * From them, I have failed to find which choice between '__MIN()' or
1797          * 'i_length_offset - i_header_size' is the right one.
1798          */
1799         unsigned i_payload;
1800         if( b_length )
1801             i_payload = __MIN( i_length_offset, i_size - i_header_size);
1802         else
1803             i_payload = i_size - i_header_size;
1804
1805         if( !tk->p_asf_block )
1806         {
1807             tk->p_asf_block = block_Alloc( i_packet_size );
1808             if( !tk->p_asf_block )
1809                 break;
1810             tk->p_asf_block->i_buffer = 0;
1811         }
1812         unsigned i_offset  = b_length ? 0 : i_length_offset;
1813         if( i_offset == tk->p_asf_block->i_buffer && i_offset + i_payload <= i_packet_size )
1814         {
1815             memcpy( &tk->p_asf_block->p_buffer[i_offset], &p_data[i_header_size], i_payload );
1816             tk->p_asf_block->i_buffer += i_payload;
1817             if( b_marker )
1818             {
1819                 /* We have a complete packet */
1820                 tk->p_asf_block->i_buffer = i_packet_size;
1821                 block_ChainAppend( &p_list, tk->p_asf_block );
1822                 tk->p_asf_block = NULL;
1823             }
1824         }
1825         else
1826         {
1827             /* Reset on broken stream */
1828             msg_Err( p_demux, "Broken packet detected (%d vs %zu or %d + %d vs %d)",
1829                      i_offset, tk->p_asf_block->i_buffer, i_offset, i_payload, i_packet_size);
1830             tk->p_asf_block->i_buffer = 0;
1831         }
1832
1833         /* */
1834         p_data += i_header_size + i_payload;
1835         i_size -= i_header_size + i_payload;
1836     }
1837     return p_list;
1838 }
1839
1840 /*****************************************************************************
1841  *
1842  *****************************************************************************/
1843 static void StreamRead( void *p_private, unsigned int i_size,
1844                         unsigned int i_truncated_bytes, struct timeval pts,
1845                         unsigned int duration )
1846 {
1847     VLC_UNUSED( duration );
1848
1849     live_track_t   *tk = (live_track_t*)p_private;
1850     demux_t        *p_demux = tk->p_demux;
1851     demux_sys_t    *p_sys = p_demux->p_sys;
1852     block_t        *p_block;
1853
1854     //msg_Dbg( p_demux, "pts: %d", pts.tv_sec );
1855
1856     int64_t i_pts = (int64_t)pts.tv_sec * INT64_C(1000000) +
1857         (int64_t)pts.tv_usec;
1858
1859     /* XXX Beurk beurk beurk Avoid having negative value XXX */
1860     i_pts &= INT64_C(0x00ffffffffffffff);
1861
1862     /* Retrieve NPT for this pts */
1863     tk->f_npt = tk->sub->getNormalPlayTime(pts);
1864
1865     if( tk->b_quicktime && tk->p_es == NULL )
1866     {
1867         QuickTimeGenericRTPSource *qtRTPSource =
1868             (QuickTimeGenericRTPSource*)tk->sub->rtpSource();
1869         QuickTimeGenericRTPSource::QTState &qtState = qtRTPSource->qtState;
1870         uint8_t *sdAtom = (uint8_t*)&qtState.sdAtom[4];
1871
1872         /* Get codec information from the quicktime atoms :
1873          * http://developer.apple.com/quicktime/icefloe/dispatch026.html */
1874         if( tk->fmt.i_cat == VIDEO_ES ) {
1875             if( qtState.sdAtomSize < 16 + 32 )
1876             {
1877                 /* invalid */
1878                 p_sys->event_data = 0xff;
1879                 tk->waiting = 0;
1880                 return;
1881             }
1882             tk->fmt.i_codec = VLC_FOURCC(sdAtom[0],sdAtom[1],sdAtom[2],sdAtom[3]);
1883             tk->fmt.video.i_width  = (sdAtom[28] << 8) | sdAtom[29];
1884             tk->fmt.video.i_height = (sdAtom[30] << 8) | sdAtom[31];
1885
1886             if( tk->fmt.i_codec == VLC_FOURCC('a', 'v', 'c', '1') )
1887             {
1888                 uint8_t *pos = (uint8_t*)qtRTPSource->qtState.sdAtom + 86;
1889                 uint8_t *endpos = (uint8_t*)qtRTPSource->qtState.sdAtom
1890                                   + qtRTPSource->qtState.sdAtomSize;
1891                 while (pos+8 < endpos) {
1892                     unsigned int atomLength = pos[0]<<24 | pos[1]<<16 | pos[2]<<8 | pos[3];
1893                     if( atomLength == 0 || atomLength > (unsigned int)(endpos-pos)) break;
1894                     if( memcmp(pos+4, "avcC", 4) == 0 &&
1895                         atomLength > 8 &&
1896                         atomLength <= INT_MAX )
1897                     {
1898                         tk->fmt.i_extra = atomLength-8;
1899                         tk->fmt.p_extra = xmalloc( tk->fmt.i_extra );
1900                         memcpy(tk->fmt.p_extra, pos+8, atomLength-8);
1901                         break;
1902                     }
1903                     pos += atomLength;
1904                 }
1905             }
1906             else
1907             {
1908                 tk->fmt.i_extra        = qtState.sdAtomSize - 16;
1909                 tk->fmt.p_extra        = xmalloc( tk->fmt.i_extra );
1910                 memcpy( tk->fmt.p_extra, &sdAtom[12], tk->fmt.i_extra );
1911             }
1912         }
1913         else {
1914             if( qtState.sdAtomSize < 24 )
1915             {
1916                 /* invalid */
1917                 p_sys->event_data = 0xff;
1918                 tk->waiting = 0;
1919                 return;
1920             }
1921             tk->fmt.i_codec = VLC_FOURCC(sdAtom[0],sdAtom[1],sdAtom[2],sdAtom[3]);
1922             tk->fmt.audio.i_bitspersample = (sdAtom[22] << 8) | sdAtom[23];
1923         }
1924         tk->p_es = es_out_Add( p_demux->out, &tk->fmt );
1925     }
1926
1927 #if 0
1928     fprintf( stderr, "StreamRead size=%d pts=%lld\n",
1929              i_size,
1930              pts.tv_sec * 1000000LL + pts.tv_usec );
1931 #endif
1932
1933     /* grow buffer if it looks like buffer is too small, but don't eat
1934      * up all the memory on strange streams */
1935     if( i_truncated_bytes > 0 )
1936     {
1937         if( tk->i_buffer < 2000000 )
1938         {
1939             void *p_tmp;
1940             msg_Dbg( p_demux, "lost %d bytes", i_truncated_bytes );
1941             msg_Dbg( p_demux, "increasing buffer size to %d", tk->i_buffer * 2 );
1942             p_tmp = realloc( tk->p_buffer, tk->i_buffer * 2 );
1943             if( p_tmp == NULL )
1944             {
1945                 msg_Warn( p_demux, "realloc failed" );
1946             }
1947             else
1948             {
1949                 tk->p_buffer = (uint8_t*)p_tmp;
1950                 tk->i_buffer *= 2;
1951             }
1952         }
1953
1954         if( tk->b_discard_trunc )
1955         {
1956             p_sys->event_data = 0xff;
1957             tk->waiting = 0;
1958             return;
1959         }
1960     }
1961
1962     assert( i_size <= tk->i_buffer );
1963
1964     if( tk->fmt.i_codec == VLC_CODEC_AMR_NB ||
1965         tk->fmt.i_codec == VLC_CODEC_AMR_WB )
1966     {
1967         AMRAudioSource *amrSource = (AMRAudioSource*)tk->sub->readSource();
1968
1969         p_block = block_Alloc( i_size + 1 );
1970         p_block->p_buffer[0] = amrSource->lastFrameHeader();
1971         memcpy( p_block->p_buffer + 1, tk->p_buffer, i_size );
1972     }
1973     else if( tk->fmt.i_codec == VLC_CODEC_H261 )
1974     {
1975         H261VideoRTPSource *h261Source = (H261VideoRTPSource*)tk->sub->rtpSource();
1976         uint32_t header = h261Source->lastSpecialHeader();
1977         p_block = block_Alloc( i_size + 4 );
1978         memcpy( p_block->p_buffer, &header, 4 );
1979         memcpy( p_block->p_buffer + 4, tk->p_buffer, i_size );
1980
1981         if( tk->sub->rtpSource()->curPacketMarkerBit() )
1982             p_block->i_flags |= BLOCK_FLAG_END_OF_FRAME;
1983     }
1984     else if( tk->fmt.i_codec == VLC_CODEC_H264 || tk->fmt.i_codec == VLC_CODEC_HEVC )
1985     {
1986         if( tk->fmt.i_codec == VLC_CODEC_H264 && (tk->p_buffer[0] & 0x1f) >= 24 )
1987             msg_Warn( p_demux, "unsupported NAL type for H264" );
1988         else if( tk->fmt.i_codec == VLC_CODEC_HEVC && ((tk->p_buffer[0] & 0x7e)>>1) >= 48 )
1989             msg_Warn( p_demux, "unsupported NAL type for H265" );
1990
1991         /* Normal NAL type */
1992         p_block = block_Alloc( i_size + 4 );
1993         p_block->p_buffer[0] = 0x00;
1994         p_block->p_buffer[1] = 0x00;
1995         p_block->p_buffer[2] = 0x00;
1996         p_block->p_buffer[3] = 0x01;
1997         memcpy( &p_block->p_buffer[4], tk->p_buffer, i_size );
1998     }
1999     else if( tk->b_asf )
2000     {
2001         p_block = StreamParseAsf( p_demux, tk,
2002                                   tk->sub->rtpSource()->curPacketMarkerBit(),
2003                                   tk->p_buffer, i_size );
2004     }
2005     else
2006     {
2007         p_block = block_Alloc( i_size );
2008         memcpy( p_block->p_buffer, tk->p_buffer, i_size );
2009     }
2010
2011     if( p_sys->i_pcr < i_pts )
2012     {
2013         p_sys->i_pcr = i_pts;
2014     }
2015
2016     /* Update our global npt value */
2017     if( tk->f_npt > 0 &&
2018         ( tk->f_npt < p_sys->f_npt_length || p_sys->f_npt_length <= 0 ) )
2019         p_sys->f_npt = tk->f_npt;
2020
2021     if( p_block )
2022     {
2023         if( !tk->b_muxed && !tk->b_asf )
2024         {
2025             if( i_pts != tk->i_pts )
2026                 p_block->i_pts = VLC_TS_0 + i_pts;
2027             /*FIXME: for h264 you should check that packetization-mode=1 in sdp-file */
2028             p_block->i_dts = ( tk->fmt.i_codec == VLC_CODEC_MPGV ) ? VLC_TS_INVALID : (VLC_TS_0 + i_pts);
2029         }
2030
2031         if( tk->b_muxed )
2032             stream_DemuxSend( tk->p_out_muxed, p_block );
2033         else if( tk->b_asf )
2034             stream_DemuxSend( p_sys->p_out_asf, p_block );
2035         else
2036             es_out_Send( p_demux->out, tk->p_es, p_block );
2037     }
2038
2039     /* warn that's ok */
2040     p_sys->event_data = 0xff;
2041
2042     /* we have read data */
2043     tk->waiting = 0;
2044     p_demux->p_sys->b_no_data = false;
2045     p_demux->p_sys->i_no_data_ti = 0;
2046
2047     if( i_pts > 0 && !tk->b_muxed )
2048     {
2049         tk->i_pts = i_pts;
2050     }
2051 }
2052
2053 /*****************************************************************************
2054  *
2055  *****************************************************************************/
2056 static void StreamClose( void *p_private )
2057 {
2058     live_track_t   *tk = (live_track_t*)p_private;
2059     demux_t        *p_demux = tk->p_demux;
2060     demux_sys_t    *p_sys = p_demux->p_sys;
2061     tk->b_selected = false;
2062     p_sys->event_rtsp = 0xff;
2063     p_sys->event_data = 0xff;
2064
2065     if( tk->p_es )
2066         es_out_Control( p_demux->out, ES_OUT_SET_ES_STATE, tk->p_es, false );
2067
2068     int nb_tracks = 0;
2069     for( int i = 0; i < p_sys->i_track; i++ )
2070     {
2071         if( p_sys->track[i]->b_selected )
2072             nb_tracks++;
2073     }
2074     msg_Dbg( p_demux, "RTSP track Close, %d track remaining", nb_tracks );
2075     if( !nb_tracks )
2076         p_sys->b_error = true;
2077 }
2078
2079
2080 /*****************************************************************************
2081  *
2082  *****************************************************************************/
2083 static void TaskInterruptRTSP( void *p_private )
2084 {
2085     demux_t *p_demux = (demux_t*)p_private;
2086
2087     /* Avoid lock */
2088     p_demux->p_sys->event_rtsp = 0xff;
2089 }
2090
2091 static void TaskInterruptData( void *p_private )
2092 {
2093     demux_t *p_demux = (demux_t*)p_private;
2094
2095     p_demux->p_sys->i_no_data_ti++;
2096
2097     /* Avoid lock */
2098     p_demux->p_sys->event_data = 0xff;
2099 }
2100
2101 /*****************************************************************************
2102  *
2103  *****************************************************************************/
2104 VLC_NORETURN
2105 static void* TimeoutPrevention( void *p_data )
2106 {
2107     timeout_thread_t *p_timeout = (timeout_thread_t *)p_data;
2108
2109     for( ;; )
2110     {
2111         /* Voodoo (= no) thread safety here! *Ahem* */
2112         if( p_timeout->b_handle_keep_alive )
2113         {
2114             char *psz_bye = NULL;
2115             int canc = vlc_savecancel ();
2116
2117             p_timeout->p_sys->rtsp->sendGetParameterCommand( *p_timeout->p_sys->ms, NULL, psz_bye );
2118             vlc_restorecancel (canc);
2119         }
2120         p_timeout->p_sys->b_timeout_call = !p_timeout->b_handle_keep_alive;
2121
2122         msleep (((int64_t)p_timeout->p_sys->i_timeout - 2) * CLOCK_FREQ);
2123     }
2124     assert(0); /* dead code */
2125 }
2126
2127 /*****************************************************************************
2128  *
2129  *****************************************************************************/
2130 static int ParseASF( demux_t *p_demux )
2131 {
2132     demux_sys_t    *p_sys = p_demux->p_sys;
2133
2134     const char *psz_marker = "a=pgmpu:data:application/vnd.ms.wms-hdr.asfv1;base64,";
2135     char *psz_asf = strcasestr( p_sys->p_sdp, psz_marker );
2136     char *psz_end;
2137     block_t *p_header;
2138
2139     /* Parse the asf header */
2140     if( psz_asf == NULL )
2141         return VLC_EGENERIC;
2142
2143     psz_asf += strlen( psz_marker );
2144     psz_asf = strdup( psz_asf );    /* Duplicate it */
2145     psz_end = strchr( psz_asf, '\n' );
2146
2147     while( psz_end > psz_asf && ( *psz_end == '\n' || *psz_end == '\r' ) )
2148         *psz_end-- = '\0';
2149
2150     if( psz_asf >= psz_end )
2151     {
2152         free( psz_asf );
2153         return VLC_EGENERIC;
2154     }
2155
2156     /* Always smaller */
2157     p_header = block_Alloc( psz_end - psz_asf );
2158     p_header->i_buffer = vlc_b64_decode_binary_to_buffer( p_header->p_buffer,
2159                                                p_header->i_buffer, psz_asf );
2160     //msg_Dbg( p_demux, "Size=%d Hdrb64=%s", p_header->i_buffer, psz_asf );
2161     if( p_header->i_buffer <= 0 )
2162     {
2163         free( psz_asf );
2164         return VLC_EGENERIC;
2165     }
2166
2167     /* Parse it to get packet size */
2168     asf_HeaderParse( &p_sys->asfh, p_header->p_buffer, p_header->i_buffer );
2169
2170     /* Send it to demuxer */
2171     stream_DemuxSend( p_sys->p_out_asf, p_header );
2172
2173     free( psz_asf );
2174     return VLC_SUCCESS;
2175 }
2176
2177
2178 static unsigned char* parseH264ConfigStr( char const* configStr,
2179                                           unsigned int& configSize )
2180 {
2181     char *dup, *psz;
2182     size_t i_records = 1;
2183
2184     configSize = 0;
2185
2186     if( configStr == NULL || *configStr == '\0' )
2187         return NULL;
2188
2189     psz = dup = strdup( configStr );
2190
2191     /* Count the number of commas */
2192     for( psz = dup; *psz != '\0'; ++psz )
2193     {
2194         if( *psz == ',')
2195         {
2196             ++i_records;
2197             *psz = '\0';
2198         }
2199     }
2200
2201     size_t configMax = 5*strlen(dup);
2202     unsigned char *cfg = new unsigned char[configMax];
2203     psz = dup;
2204     for( size_t i = 0; i < i_records; ++i )
2205     {
2206         cfg[configSize++] = 0x00;
2207         cfg[configSize++] = 0x00;
2208         cfg[configSize++] = 0x00;
2209         cfg[configSize++] = 0x01;
2210
2211         configSize += vlc_b64_decode_binary_to_buffer( cfg+configSize,
2212                                           configMax-configSize, psz );
2213         psz += strlen(psz)+1;
2214     }
2215
2216     free( dup );
2217     return cfg;
2218 }
2219
2220 static uint8_t *parseVorbisConfigStr( char const* configStr,
2221                                       unsigned int& configSize )
2222 {
2223     configSize = 0;
2224     if( configStr == NULL || *configStr == '\0' )
2225         return NULL;
2226 #if LIVEMEDIA_LIBRARY_VERSION_INT >= 1332115200 // 2012.03.20
2227     unsigned char *p_cfg = base64Decode( configStr, configSize );
2228 #else
2229     char* configStr_dup = strdup( configStr );
2230     unsigned char *p_cfg = base64Decode( configStr_dup, configSize );
2231     free( configStr_dup );
2232 #endif
2233     uint8_t *p_extra = NULL;
2234     /* skip header count, ident number and length (cf. RFC 5215) */
2235     const unsigned int headerSkip = 9;
2236     if( configSize > headerSkip && ((uint8_t*)p_cfg)[3] == 1 )
2237     {
2238         configSize -= headerSkip;
2239         p_extra = (uint8_t*)xmalloc( configSize );
2240         memcpy( p_extra, p_cfg+headerSkip, configSize );
2241     }
2242     delete[] p_cfg;
2243     return p_extra;
2244 }
2245