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

   1 /*****************************************************************************
   2  * live555.cpp : LIVE555 Streaming Media support.
   3  *****************************************************************************
   4  * Copyright (C) 2003-2007 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Laurent Aimar <fenrir@via.ecp.fr>
   8  *          Derk-Jan Hartman <hartman at videolan. org>
   9  *          Derk-Jan Hartman <djhartman at m2x .dot. nl> for M2X
  10  *
  11  * This program is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License as published by
  13  * the Free Software Foundation; either version 2 of the License, or
  14  * (at your option) any later version.
  15  *
  16  * This program is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  * GNU General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License
  22  * along with this program; if not, write to the Free Software
  23  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  24  *****************************************************************************/
  25
  26 /*****************************************************************************
  27  * Preamble
  28  *****************************************************************************/
  29
  30 #ifdef HAVE_CONFIG_H
  31 # include "config.h"
  32 #endif
  33
  34 #include <vlc/vlc.h>
  35
  36 #include <vlc_demux.h>
  37 #include <vlc_interface.h>
  38 #include <vlc_network.h>
  39 #include <vlc_url.h>
  40
  41 #include <iostream>
  42 #include <limits.h>
  43
  44 #if defined( WIN32 )
  45 #   include <winsock2.h>
  46 #endif
  47
  48 #include "UsageEnvironment.hh"
  49 #include "BasicUsageEnvironment.hh"
  50 #include "GroupsockHelper.hh"
  51 #include "liveMedia.hh"
  52
  53 extern "C" {
  54 #include "../access/mms/asf.h"  /* Who said ugly ? */
  55 }
  56
  57 using namespace std;
  58
  59 /*****************************************************************************
  60  * Module descriptor
  61  *****************************************************************************/
  62 static int  Open ( vlc_object_t * );
  63 static void Close( vlc_object_t * );
  64
  65 #define CACHING_TEXT N_("Caching value (ms)")
  66 #define CACHING_LONGTEXT N_( \
  67     "Allows you to modify the default caching value for RTSP streams. This " \
  68     "value should be set in millisecond units." )
  69
  70 #define KASENNA_TEXT N_( "Kasenna RTSP dialect")
  71 #define KASENNA_LONGTEXT N_( "Kasenna servers use an old and unstandard " \
  72     "dialect of RTSP. When you set this parameter, VLC will try this dialect "\
  73     "for communication. In this mode you cannot connect to normal RTSP servers." )
  74
  75 #define USER_TEXT N_("RTSP user name")
  76 #define USER_LONGTEXT N_("Allows you to modify the user name that will " \
  77     "be used for authenticating the connection.")
  78 #define PASS_TEXT N_("RTSP password")
  79 #define PASS_LONGTEXT N_("Allows you to modify the password that will be " \
  80     "used for the connection.")
  81
  82 vlc_module_begin();
  83     set_description( _("RTP/RTSP/SDP demuxer (using Live555)" ) );
  84     set_capability( "demux", 50 );
  85     set_shortname( "RTP/RTSP");
  86     set_callbacks( Open, Close );
  87     add_shortcut( "live" );
  88     add_shortcut( "livedotcom" );
  89     set_category( CAT_INPUT );
  90     set_subcategory( SUBCAT_INPUT_DEMUX );
  91
  92     add_submodule();
  93         set_description( _("RTSP/RTP access and demux") );
  94         add_shortcut( "rtsp" );
  95         add_shortcut( "sdp" );
  96         set_capability( "access_demux", 0 );
  97         set_callbacks( Open, Close );
  98         add_bool( "rtsp-tcp", 0, NULL,
  99                   N_("Use RTP over RTSP (TCP)"),
 100                   N_("Use RTP over RTSP (TCP)"), true );
 101         add_integer( "rtp-client-port", -1, NULL,
 102                   N_("Client port"),
 103                   N_("Port to use for the RTP source of the session"), true );
 104         add_bool( "rtsp-http", 0, NULL,
 105                   N_("Tunnel RTSP and RTP over HTTP"),
 106                   N_("Tunnel RTSP and RTP over HTTP"), true );
 107         add_integer( "rtsp-http-port", 80, NULL,
 108                   N_("HTTP tunnel port"),
 109                   N_("Port to use for tunneling the RTSP/RTP over HTTP."),
 110                   true );
 111         add_integer("rtsp-caching", 4 * DEFAULT_PTS_DELAY / 1000, NULL,
 112                     CACHING_TEXT, CACHING_LONGTEXT, true );
 113         add_bool(   "rtsp-kasenna", false, NULL, KASENNA_TEXT,
 114                     KASENNA_LONGTEXT, true );
 115         add_string( "rtsp-user", NULL, NULL, USER_TEXT,
 116                     USER_LONGTEXT, true );
 117         add_string( "rtsp-pwd", NULL, NULL, PASS_TEXT,
 118                     PASS_LONGTEXT, true );
 119 vlc_module_end();
 120
 121
 122 /*****************************************************************************
 123  * Local prototypes
 124  *****************************************************************************/
 125
 126 typedef struct
 127 {
 128     demux_t         *p_demux;
 129     MediaSubsession *sub;
 130
 131     es_format_t     fmt;
 132     es_out_id_t     *p_es;
 133
 134     bool      b_muxed;
 135     bool      b_quicktime;
 136     bool      b_asf;
 137     stream_t        *p_out_muxed;    /* for muxed stream */
 138
 139     uint8_t         *p_buffer;
 140     unsigned int    i_buffer;
 141
 142     bool      b_rtcp_sync;
 143     char            waiting;
 144     int64_t         i_pts;
 145     u_int32_t       i_start_seq;
 146
 147 } live_track_t;
 148
 149 struct timeout_thread_t
 150 {
 151     VLC_COMMON_MEMBERS
 152
 153     int64_t      i_remain;
 154     bool   b_handle_keep_alive;
 155     demux_sys_t  *p_sys;
 156 };
 157
 158 struct demux_sys_t
 159 {
 160     char            *p_sdp;    /* XXX mallocated */
 161     char            *psz_path; /* URL-encoded path */
 162     vlc_url_t       url;
 163
 164     MediaSession     *ms;
 165     TaskScheduler    *scheduler;
 166     UsageEnvironment *env ;
 167     RTSPClient       *rtsp;
 168
 169     /* */
 170     int              i_track;
 171     live_track_t     **track;   /* XXX mallocated */
 172
 173     /* Weird formats */
 174     asf_header_t     asfh;
 175     stream_t         *p_out_asf;
 176     bool       b_real;
 177
 178     /* */
 179     int64_t          i_pcr; /* The clock */
 180     int64_t          i_npt; /* The current time in the stream */
 181     int64_t          i_npt_length;
 182     int64_t          i_npt_start;
 183
 184     /* timeout thread information */
 185     int              i_timeout;     /* session timeout value in seconds */
 186     bool       b_timeout_call;/* mark to send an RTSP call to prevent server timeout */
 187     timeout_thread_t *p_timeout;    /* the actual thread that makes sure we don't timeout */
 188
 189     /* */
 190     bool       b_multicast;   /* true if one of the tracks is multicasted */
 191     bool       b_no_data;     /* true if we never receive any data */
 192     int              i_no_data_ti;  /* consecutive number of TaskInterrupt */
 193
 194     char             event;
 195 };
 196
 197 static int Demux  ( demux_t * );
 198 static int Control( demux_t *, int, va_list );
 199
 200 static int Connect      ( demux_t * );
 201 static int SessionsSetup( demux_t * );
 202 static int Play         ( demux_t *);
 203 static int ParseASF     ( demux_t * );
 204 static int RollOverTcp  ( demux_t * );
 205
 206 static void StreamRead  ( void *, unsigned int, unsigned int,
 207                           struct timeval, unsigned int );
 208 static void StreamClose ( void * );
 209 static void TaskInterrupt( void * );
 210
 211 static void TimeoutPrevention( timeout_thread_t * );
 212
 213 static unsigned char* parseH264ConfigStr( char const* configStr,
 214                                           unsigned int& configSize );
 215
 216 /*****************************************************************************
 217  * DemuxOpen:
 218  *****************************************************************************/
 219 static int  Open ( vlc_object_t *p_this )
 220 {
 221     demux_t     *p_demux = (demux_t*)p_this;
 222     demux_sys_t *p_sys = NULL;
 223
 224     MediaSubsessionIterator *iter   = NULL;
 225     MediaSubsession         *sub    = NULL;
 226     int i, i_return;
 227     int i_error = VLC_EGENERIC;
 228
 229     if( p_demux->s )
 230     {
 231         /* See if it looks like a SDP
 232            v, o, s fields are mandatory and in this order */
 233         const uint8_t *p_peek;
 234         if( stream_Peek( p_demux->s, &p_peek, 7 ) < 7 ) return VLC_EGENERIC;
 235
 236         if( memcmp( p_peek, "v=0\r\n", 5 ) &&
 237             memcmp( p_peek, "v=0\n", 4 ) &&
 238             ( p_peek[0] < 'a' || p_peek[0] > 'z' || p_peek[1] != '=' ) )
 239         {
 240             return VLC_EGENERIC;
 241         }
 242     }
 243     else
 244     {
 245         var_Create( p_demux, "rtsp-caching", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
 246     }
 247
 248     p_demux->pf_demux  = Demux;
 249     p_demux->pf_control= Control;
 250     p_demux->p_sys     = p_sys = (demux_sys_t*)malloc( sizeof( demux_sys_t ) );
 251     if( !p_sys ) return VLC_ENOMEM;
 252
 253     p_sys->p_sdp = NULL;
 254     p_sys->scheduler = NULL;
 255     p_sys->env = NULL;
 256     p_sys->ms = NULL;
 257     p_sys->rtsp = NULL;
 258     p_sys->i_track = 0;
 259     p_sys->track   = NULL;
 260     p_sys->i_pcr = 0;
 261     p_sys->i_npt = 0;
 262     p_sys->i_npt_start = 0;
 263     p_sys->i_npt_length = 0;
 264     p_sys->p_out_asf = NULL;
 265     p_sys->b_no_data = true;
 266     p_sys->i_no_data_ti = 0;
 267     p_sys->p_timeout = NULL;
 268     p_sys->i_timeout = 0;
 269     p_sys->b_timeout_call = false;
 270     p_sys->b_multicast = false;
 271     p_sys->b_real = false;
 272     p_sys->psz_path = strdup( p_demux->psz_path );
 273
 274     /* parse URL for rtsp://[user:[passwd]@]serverip:port/options */
 275     vlc_UrlParse( &p_sys->url, p_sys->psz_path, 0 );
 276
 277     if( ( p_sys->scheduler = BasicTaskScheduler::createNew() ) == NULL )
 278     {
 279         msg_Err( p_demux, "BasicTaskScheduler::createNew failed" );
 280         goto error;
 281     }
 282     if( !( p_sys->env = BasicUsageEnvironment::createNew(*p_sys->scheduler) ) )
 283     {
 284         msg_Err( p_demux, "BasicUsageEnvironment::createNew failed" );
 285         goto error;
 286     }
 287
 288     if( strcasecmp( p_demux->psz_access, "sdp" ) )
 289     {
 290         char *p = p_sys->psz_path;
 291         while( (p = strchr( p, ' ' )) != NULL ) *p = '+';
 292     }
 293
 294     if( p_demux->s != NULL )
 295     {
 296         /* Gather the complete sdp file */
 297         int     i_sdp       = 0;
 298         int     i_sdp_max   = 1000;
 299         uint8_t *p_sdp      = (uint8_t*) malloc( i_sdp_max );
 300
 301         if( !p_sdp )
 302         {
 303             i_error = VLC_ENOMEM;
 304             goto error;
 305         }
 306
 307         for( ;; )
 308         {
 309             int i_read = stream_Read( p_demux->s, &p_sdp[i_sdp],
 310                                       i_sdp_max - i_sdp - 1 );
 311
 312             if( p_demux->b_die || p_demux->b_error )
 313             {
 314                 free( p_sdp );
 315                 goto error;
 316             }
 317
 318             if( i_read < 0 )
 319             {
 320                 msg_Err( p_demux, "failed to read SDP" );
 321                 free( p_sdp );
 322                 goto error;
 323             }
 324
 325             i_sdp += i_read;
 326
 327             if( i_read < i_sdp_max - i_sdp - 1 )
 328             {
 329                 p_sdp[i_sdp] = '\0';
 330                 break;
 331             }
 332
 333             i_sdp_max += 1000;
 334             p_sdp = (uint8_t*)realloc( p_sdp, i_sdp_max );
 335         }
 336         p_sys->p_sdp = (char*)p_sdp;
 337     }
 338     else if( ( p_demux->s == NULL ) &&
 339              !strcasecmp( p_demux->psz_access, "sdp" ) )
 340     {
 341         /* sdp:// link from SAP */
 342         p_sys->p_sdp = strdup( p_sys->psz_path );
 343     }
 344     else if( ( i_return = Connect( p_demux ) ) != VLC_SUCCESS )
 345     {
 346         msg_Err( p_demux, "Failed to connect with rtsp://%s", p_sys->psz_path );
 347         goto error;
 348     }
 349
 350     if( p_sys->p_sdp == NULL )
 351     {
 352         msg_Err( p_demux, "Failed to retrieve the RTSP Session Description" );
 353         i_error = VLC_ENOMEM;
 354         goto error;
 355     }
 356
 357     if( ( i_return = SessionsSetup( p_demux ) ) != VLC_SUCCESS )
 358     {
 359         msg_Err( p_demux, "Nothing to play for rtsp://%s", p_sys->psz_path );
 360         goto error;
 361     }
 362
 363     if( p_sys->b_real ) goto error;
 364
 365     if( ( i_return = Play( p_demux ) ) != VLC_SUCCESS )
 366         goto error;
 367
 368     if( p_sys->p_out_asf && ParseASF( p_demux ) )
 369     {
 370         msg_Err( p_demux, "cannot find a usable asf header" );
 371         /* TODO Clean tracks */
 372         goto error;
 373     }
 374
 375     if( p_sys->i_track <= 0 )
 376         goto error;
 377
 378     return VLC_SUCCESS;
 379
 380 error:
 381     for( i = 0; i < p_sys->i_track; i++ )
 382     {
 383         live_track_t *tk = p_sys->track[i];
 384
 385         if( tk->b_muxed ) stream_DemuxDelete( tk->p_out_muxed );
 386         free( tk->p_buffer );
 387         free( tk );
 388     }
 389
 390     if( p_sys->i_track ) free( p_sys->track );
 391     if( p_sys->p_out_asf ) stream_DemuxDelete( p_sys->p_out_asf );
 392     if( p_sys->rtsp && p_sys->ms ) p_sys->rtsp->teardownMediaSession( *p_sys->ms );
 393     if( p_sys->ms ) Medium::close( p_sys->ms );
 394     if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp );
 395     if( p_sys->env ) p_sys->env->reclaim();
 396     if( p_sys->p_timeout )
 397     {
 398         vlc_object_kill( p_sys->p_timeout );
 399         vlc_thread_join( p_sys->p_timeout );
 400         vlc_object_detach( p_sys->p_timeout );
 401         vlc_object_release( p_sys->p_timeout );
 402     }
 403     delete p_sys->scheduler;
 404     free( p_sys->p_sdp );
 405     free( p_sys->psz_path );
 406
 407     vlc_UrlClean( &p_sys->url );
 408
 409     free( p_sys );
 410     return i_error;
 411 }
 412
 413 /*****************************************************************************
 414  * DemuxClose:
 415  *****************************************************************************/
 416 static void Close( vlc_object_t *p_this )
 417 {
 418     demux_t *p_demux = (demux_t*)p_this;
 419     demux_sys_t *p_sys = p_demux->p_sys;
 420     int i;
 421
 422     for( i = 0; i < p_sys->i_track; i++ )
 423     {
 424         live_track_t *tk = p_sys->track[i];
 425
 426         if( tk->b_muxed ) stream_DemuxDelete( tk->p_out_muxed );
 427         free( tk->p_buffer );
 428         free( tk );
 429     }
 430
 431     if( p_sys->i_track ) free( p_sys->track );
 432     if( p_sys->p_out_asf ) stream_DemuxDelete( p_sys->p_out_asf );
 433     if( p_sys->rtsp && p_sys->ms ) p_sys->rtsp->teardownMediaSession( *p_sys->ms );
 434     if( p_sys->ms ) Medium::close( p_sys->ms );
 435     if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp );
 436     if( p_sys->env ) p_sys->env->reclaim();
 437     if( p_sys->p_timeout )
 438     {
 439         vlc_object_kill( p_sys->p_timeout );
 440         vlc_thread_join( p_sys->p_timeout );
 441         vlc_object_detach( p_sys->p_timeout );
 442         vlc_object_release( p_sys->p_timeout );
 443     }
 444     delete p_sys->scheduler;
 445     free( p_sys->p_sdp );
 446     free( p_sys->psz_path );
 447
 448     vlc_UrlClean( &p_sys->url );
 449
 450     free( p_sys );
 451 }
 452
 453 /*****************************************************************************
 454  * Connect: connects to the RTSP server to setup the session DESCRIBE
 455  *****************************************************************************/
 456 static int Connect( demux_t *p_demux )
 457 {
 458     demux_sys_t *p_sys = p_demux->p_sys;
 459     Authenticator authenticator;
 460     bool b_firstpass = true;
 461
 462     char *psz_user    = NULL;
 463     char *psz_pwd     = NULL;
 464     char *psz_url     = NULL;
 465     char *psz_options = NULL;
 466     char *p_sdp       = NULL;
 467     int  i_http_port  = 0;
 468     int  i_ret        = VLC_SUCCESS;
 469
 470     psz_url = (char*)malloc( strlen( p_sys->psz_path ) + 8 );
 471     if( !psz_url ) return VLC_ENOMEM;
 472
 473     if( p_sys->url.psz_username || p_sys->url.psz_password )
 474     {
 475         sprintf( psz_url, "rtsp://%s%s", p_sys->url.psz_host,
 476                  p_sys->url.psz_path );
 477
 478         psz_user = strdup( p_sys->url.psz_username );
 479         psz_pwd  = strdup( p_sys->url.psz_password );
 480     }
 481     else
 482     {
 483         sprintf( psz_url, "rtsp://%s", p_sys->psz_path );
 484
 485         psz_user = var_CreateGetString( p_demux, "rtsp-user" );
 486         psz_pwd  = var_CreateGetString( p_demux, "rtsp-pwd" );
 487     }
 488
 489 createnew:
 490     if( p_demux->b_die || p_demux->b_error )
 491     {
 492         free( psz_user );
 493         free( psz_pwd );
 494         free( psz_url );
 495         return VLC_EGENERIC;
 496     }
 497
 498     if( var_CreateGetBool( p_demux, "rtsp-http" ) )
 499         i_http_port = var_CreateGetInteger( p_demux, "rtsp-http-port" );
 500
 501     if( ( p_sys->rtsp = RTSPClient::createNew( *p_sys->env,
 502           p_demux->p_libvlc->i_verbose > 1,
 503           "VLC media player", i_http_port ) ) == NULL )
 504     {
 505         msg_Err( p_demux, "RTSPClient::createNew failed (%s)",
 506                  p_sys->env->getResultMsg() );
 507         free( psz_user );
 508         free( psz_pwd );
 509         free( psz_url );
 510         return VLC_EGENERIC;
 511     }
 512
 513     /* Kasenna enables KeepAlive by analysing the User-Agent string.
 514      * Appending _KA to the string should be enough to enable this feature,
 515      * however, there is a bug where the _KA doesn't get parsed from the
 516      * default User-Agent as created by VLC/Live555 code. This is probably due
 517      * to spaces in the string or the string being too long. Here we override
 518      * the default string with a more compact version.
 519      */
 520     if( var_CreateGetBool( p_demux, "rtsp-kasenna" ))
 521     {
 522 #if LIVEMEDIA_LIBRARY_VERSION_INT > 1130457500
 523         p_sys->rtsp->setUserAgentString( "VLC_MEDIA_PLAYER_KA" );
 524 #endif
 525     }
 526
 527 describe:
 528     authenticator.setUsernameAndPassword( (const char*)psz_user,
 529                                           (const char*)psz_pwd );
 530
 531     psz_options = p_sys->rtsp->sendOptionsCmd( psz_url, psz_user, psz_pwd,
 532                                                &authenticator );
 533     delete [] psz_options;
 534
 535     p_sdp = p_sys->rtsp->describeURL( psz_url, &authenticator,
 536                          var_GetBool( p_demux, "rtsp-kasenna" ) );
 537     if( p_sdp == NULL )
 538     {
 539         /* failure occurred */
 540         int i_code = 0;
 541         const char *psz_error = p_sys->env->getResultMsg();
 542
 543         if( var_GetBool( p_demux, "rtsp-http" ) )
 544             sscanf( psz_error, "%*s %*s HTTP GET %*s HTTP/%*u.%*u %3u %*s",
 545                     &i_code );
 546         else
 547         {
 548             const char *psz_tmp = strstr( psz_error, "RTSP" );
 549             sscanf( psz_tmp, "RTSP/%*s%3u", &i_code );
 550         }
 551         msg_Dbg( p_demux, "DESCRIBE failed with %d: %s", i_code, psz_error );
 552
 553         if( b_firstpass )
 554         {   /* describeURL always returns an "RTSP/1.0 401 Unauthorized" the
 555              * first time. This is a workaround to avoid asking for a
 556              * user/passwd the first time the code passess here. */
 557             i_code = 0;
 558             b_firstpass = false;
 559         }
 560
 561         if( i_code == 401 )
 562         {
 563             int i_result;
 564             msg_Dbg( p_demux, "authentication failed" );
 565
 566             free( psz_user );
 567             free( psz_pwd );
 568             psz_user = psz_pwd = NULL;
 569
 570             i_result = intf_UserLoginPassword( p_demux, _("RTSP authentication"),
 571                            _("Please enter a valid login name and a password."),
 572                                                    &psz_user, &psz_pwd );
 573             if( i_result == DIALOG_OK_YES )
 574             {
 575                 msg_Dbg( p_demux, "retrying with user=%s, pwd=%s",
 576                          psz_user, psz_pwd );
 577                 goto describe;
 578             }
 579         }
 580         else if( (i_code != 0) && !var_GetBool( p_demux, "rtsp-http" ) )
 581         {
 582             /* Perhaps a firewall is being annoying. Try HTTP tunneling mode */
 583             vlc_value_t val;
 584             val.b_bool = true;
 585             msg_Dbg( p_demux, "we will now try HTTP tunneling mode" );
 586             var_Set( p_demux, "rtsp-http", val );
 587             if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp );
 588             p_sys->rtsp = NULL;
 589             goto createnew;
 590         }
 591         else
 592         {
 593             msg_Dbg( p_demux, "connection timeout, retrying" );
 594             if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp );
 595             p_sys->rtsp = NULL;
 596             goto createnew;
 597         }
 598         i_ret = VLC_EGENERIC;
 599     }
 600
 601     /* malloc-ated copy */
 602     free( psz_url );
 603     free( psz_user );
 604     free( psz_pwd );
 605
 606     free( p_sys->p_sdp );
 607     p_sys->p_sdp = NULL;
 608     if( p_sdp ) p_sys->p_sdp = strdup( (char*)p_sdp );
 609     delete[] p_sdp;
 610
 611     return i_ret;
 612 }
 613
 614 /*****************************************************************************
 615  * SessionsSetup: prepares the subsessions and does the SETUP
 616  *****************************************************************************/
 617 static int SessionsSetup( demux_t *p_demux )
 618 {
 619     demux_sys_t             *p_sys  = p_demux->p_sys;
 620     MediaSubsessionIterator *iter   = NULL;
 621     MediaSubsession         *sub    = NULL;
 622
 623     bool     b_rtsp_tcp = false;
 624     int            i_client_port;
 625     int            i_return = VLC_SUCCESS;
 626     unsigned int   i_buffer = 0;
 627     unsigned const thresh = 200000; /* RTP reorder threshold .2 second (default .1) */
 628
 629     b_rtsp_tcp    = var_CreateGetBool( p_demux, "rtsp-tcp" ) ||
 630                     var_GetBool( p_demux, "rtsp-http" );
 631     i_client_port = var_CreateGetInteger( p_demux, "rtp-client-port" );
 632
 633     /* Create the session from the SDP */
 634     if( !( p_sys->ms = MediaSession::createNew( *p_sys->env, p_sys->p_sdp ) ) )
 635     {
 636         msg_Err( p_demux, "Could not create the RTSP Session: %s",
 637             p_sys->env->getResultMsg() );
 638         return VLC_EGENERIC;
 639     }
 640
 641     /* Initialise each media subsession */
 642     iter = new MediaSubsessionIterator( *p_sys->ms );
 643     while( ( sub = iter->next() ) != NULL )
 644     {
 645         Boolean bInit;
 646         live_track_t *tk;
 647
 648         if( p_demux->b_die || p_demux->b_error )
 649         {
 650             delete iter;
 651             return VLC_EGENERIC;
 652         }
 653
 654         /* Value taken from mplayer */
 655         if( !strcmp( sub->mediumName(), "audio" ) )
 656             i_buffer = 100000;
 657         else if( !strcmp( sub->mediumName(), "video" ) )
 658             i_buffer = 2000000;
 659         else continue;
 660
 661         if( i_client_port != -1 )
 662         {
 663             sub->setClientPortNum( i_client_port );
 664             i_client_port += 2;
 665         }
 666
 667         if( strcasestr( sub->codecName(), "REAL" ) )
 668         {
 669             msg_Info( p_demux, "real codec detected, using real-RTSP instead" );
 670             p_sys->b_real = true; /* This is a problem, we'll handle it later */
 671             continue;
 672         }
 673
 674         if( !strcmp( sub->codecName(), "X-ASF-PF" ) )
 675             bInit = sub->initiate( 4 ); /* Constant ? */
 676         else
 677             bInit = sub->initiate();
 678
 679         if( !bInit )
 680         {
 681             msg_Warn( p_demux, "RTP subsession '%s/%s' failed (%s)",
 682                       sub->mediumName(), sub->codecName(),
 683                       p_sys->env->getResultMsg() );
 684         }
 685         else
 686         {
 687             if( sub->rtpSource() != NULL )
 688             {
 689                 int fd = sub->rtpSource()->RTPgs()->socketNum();
 690
 691                 /* Increase the buffer size */
 692                 if( i_buffer > 0 )
 693                     increaseReceiveBufferTo( *p_sys->env, fd, i_buffer );
 694
 695                 /* Increase the RTP reorder timebuffer just a bit */
 696                 sub->rtpSource()->setPacketReorderingThresholdTime(thresh);
 697             }
 698             msg_Dbg( p_demux, "RTP subsession '%s/%s'", sub->mediumName(),
 699                      sub->codecName() );
 700
 701             /* Issue the SETUP */
 702             if( p_sys->rtsp )
 703             {
 704                 if( !( p_sys->rtsp->setupMediaSubsession( *sub, False,
 705                                                    b_rtsp_tcp ? True : False ) ) )
 706                 {
 707                     /* if we get an unsupported transport error, toggle TCP use and try again */
 708                     if( !strstr(p_sys->env->getResultMsg(), "461 Unsupported Transport")
 709                      || !( p_sys->rtsp->setupMediaSubsession( *sub, False,
 710                                                    b_rtsp_tcp ? False : True ) ) )
 711                     {
 712                         msg_Err( p_demux, "SETUP of'%s/%s' failed %s", sub->mediumName(),
 713                                  sub->codecName(), p_sys->env->getResultMsg() );
 714                         continue;
 715                     }
 716                 }
 717             }
 718
 719             /* Check if we will receive data from this subsession for this track */
 720             if( sub->readSource() == NULL ) continue;
 721             if( !p_sys->b_multicast )
 722             {
 723                 /* Check, because we need diff. rollover behaviour for multicast */
 724                 p_sys->b_multicast = IsMulticastAddress( sub->connectionEndpointAddress() );
 725             }
 726
 727             tk = (live_track_t*)malloc( sizeof( live_track_t ) );
 728             if( !tk )
 729             {
 730                 delete iter;
 731                 return VLC_ENOMEM;
 732             }
 733             tk->p_demux     = p_demux;
 734             tk->sub         = sub;
 735             tk->p_es        = NULL;
 736             tk->b_quicktime = false;
 737             tk->b_asf       = false;
 738             tk->b_muxed     = false;
 739             tk->p_out_muxed = NULL;
 740             tk->waiting     = 0;
 741             tk->b_rtcp_sync = false;
 742             tk->i_pts       = 0;
 743             tk->i_buffer    = 65536;
 744             tk->p_buffer    = (uint8_t *)malloc( 65536 );
 745             if( !tk->p_buffer )
 746             {
 747                 delete iter;
 748                 return VLC_ENOMEM;
 749             }
 750
 751             /* Value taken from mplayer */
 752             if( !strcmp( sub->mediumName(), "audio" ) )
 753             {
 754                 es_format_Init( &tk->fmt, AUDIO_ES, VLC_FOURCC('u','n','d','f') );
 755                 tk->fmt.audio.i_channels = sub->numChannels();
 756                 tk->fmt.audio.i_rate = sub->rtpTimestampFrequency();
 757
 758                 if( !strcmp( sub->codecName(), "MPA" ) ||
 759                     !strcmp( sub->codecName(), "MPA-ROBUST" ) ||
 760                     !strcmp( sub->codecName(), "X-MP3-DRAFT-00" ) )
 761                 {
 762                     tk->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'a' );
 763                     tk->fmt.audio.i_rate = 0;
 764                 }
 765                 else if( !strcmp( sub->codecName(), "AC3" ) )
 766                 {
 767                     tk->fmt.i_codec = VLC_FOURCC( 'a', '5', '2', ' ' );
 768                     tk->fmt.audio.i_rate = 0;
 769                 }
 770                 else if( !strcmp( sub->codecName(), "L16" ) )
 771                 {
 772                     tk->fmt.i_codec = VLC_FOURCC( 't', 'w', 'o', 's' );
 773                     tk->fmt.audio.i_bitspersample = 16;
 774                 }
 775                 else if( !strcmp( sub->codecName(), "L8" ) )
 776                 {
 777                     tk->fmt.i_codec = VLC_FOURCC( 'a', 'r', 'a', 'w' );
 778                     tk->fmt.audio.i_bitspersample = 8;
 779                 }
 780                 else if( !strcmp( sub->codecName(), "PCMU" ) )
 781                 {
 782                     tk->fmt.i_codec = VLC_FOURCC( 'u', 'l', 'a', 'w' );
 783                 }
 784                 else if( !strcmp( sub->codecName(), "PCMA" ) )
 785                 {
 786                     tk->fmt.i_codec = VLC_FOURCC( 'a', 'l', 'a', 'w' );
 787                 }
 788                 else if( !strncmp( sub->codecName(), "G726", 4 ) )
 789                 {
 790                     tk->fmt.i_codec = VLC_FOURCC( 'g', '7', '2', '6' );
 791                     tk->fmt.audio.i_rate = 8000;
 792                     tk->fmt.audio.i_channels = 1;
 793                     if( !strcmp( sub->codecName()+5, "40" ) )
 794                         tk->fmt.i_bitrate = 40000;
 795                     else if( !strcmp( sub->codecName()+5, "32" ) )
 796                         tk->fmt.i_bitrate = 32000;
 797                     else if( !strcmp( sub->codecName()+5, "24" ) )
 798                         tk->fmt.i_bitrate = 24000;
 799                     else if( !strcmp( sub->codecName()+5, "16" ) )
 800                         tk->fmt.i_bitrate = 16000;
 801                 }
 802                 else if( !strcmp( sub->codecName(), "AMR" ) )
 803                 {
 804                     tk->fmt.i_codec = VLC_FOURCC( 's', 'a', 'm', 'r' );
 805                 }
 806                 else if( !strcmp( sub->codecName(), "AMR-WB" ) )
 807                 {
 808                     tk->fmt.i_codec = VLC_FOURCC( 's', 'a', 'w', 'b' );
 809                 }
 810                 else if( !strcmp( sub->codecName(), "MP4A-LATM" ) )
 811                 {
 812                     unsigned int i_extra;
 813                     uint8_t      *p_extra;
 814
 815                     tk->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'a' );
 816
 817                     if( ( p_extra = parseStreamMuxConfigStr( sub->fmtp_config(),
 818                                                              i_extra ) ) )
 819                     {
 820                         tk->fmt.i_extra = i_extra;
 821                         tk->fmt.p_extra = malloc( i_extra );
 822                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
 823                         delete[] p_extra;
 824                     }
 825                     /* Because the "faad" decoder does not handle the LATM data length field
 826                        at the start of each returned LATM frame, tell the RTP source to omit it. */
 827                     ((MPEG4LATMAudioRTPSource*)sub->rtpSource())->omitLATMDataLengthField();
 828                 }
 829                 else if( !strcmp( sub->codecName(), "MPEG4-GENERIC" ) )
 830                 {
 831                     unsigned int i_extra;
 832                     uint8_t      *p_extra;
 833
 834                     tk->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'a' );
 835
 836                     if( ( p_extra = parseGeneralConfigStr( sub->fmtp_config(),
 837                                                            i_extra ) ) )
 838                     {
 839                         tk->fmt.i_extra = i_extra;
 840                         tk->fmt.p_extra = malloc( i_extra );
 841                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
 842                         delete[] p_extra;
 843                     }
 844                 }
 845                 else if( !strcmp( sub->codecName(), "X-ASF-PF" ) )
 846                 {
 847                     tk->b_asf = true;
 848                     if( p_sys->p_out_asf == NULL )
 849                         p_sys->p_out_asf = stream_DemuxNew( p_demux, "asf",
 850                                                             p_demux->out );
 851                 }
 852                 else if( !strcmp( sub->codecName(), "X-QT" ) ||
 853                          !strcmp( sub->codecName(), "X-QUICKTIME" ) )
 854                 {
 855                     tk->b_quicktime = true;
 856                 }
 857                 else if( !strcmp( sub->codecName(), "SPEEX" ) )
 858                 {
 859                     tk->fmt.i_codec = VLC_FOURCC( 's', 'p', 'x', 'r' );
 860                     if ( sub->rtpTimestampFrequency() )
 861                         tk->fmt.audio.i_rate = sub->rtpTimestampFrequency();
 862                     else
 863                     {
 864                         msg_Warn( p_demux,"Using 8kHz as default sample rate." );
 865                         tk->fmt.audio.i_rate = 8000;
 866                     }
 867                 }
 868             }
 869             else if( !strcmp( sub->mediumName(), "video" ) )
 870             {
 871                 es_format_Init( &tk->fmt, VIDEO_ES, VLC_FOURCC('u','n','d','f') );
 872                 if( !strcmp( sub->codecName(), "MPV" ) )
 873                 {
 874                     tk->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'v' );
 875                 }
 876                 else if( !strcmp( sub->codecName(), "H263" ) ||
 877                          !strcmp( sub->codecName(), "H263-1998" ) ||
 878                          !strcmp( sub->codecName(), "H263-2000" ) )
 879                 {
 880                     tk->fmt.i_codec = VLC_FOURCC( 'H', '2', '6', '3' );
 881                 }
 882                 else if( !strcmp( sub->codecName(), "H261" ) )
 883                 {
 884                     tk->fmt.i_codec = VLC_FOURCC( 'H', '2', '6', '1' );
 885                 }
 886                 else if( !strcmp( sub->codecName(), "H264" ) )
 887                 {
 888                     unsigned int i_extra = 0;
 889                     uint8_t      *p_extra = NULL;
 890
 891                     tk->fmt.i_codec = VLC_FOURCC( 'h', '2', '6', '4' );
 892                     tk->fmt.b_packetized = false;
 893
 894                     if((p_extra=parseH264ConfigStr( sub->fmtp_spropparametersets(),
 895                                                     i_extra ) ) )
 896                     {
 897                         tk->fmt.i_extra = i_extra;
 898                         tk->fmt.p_extra = malloc( i_extra );
 899                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
 900
 901                         delete[] p_extra;
 902                     }
 903                 }
 904                 else if( !strcmp( sub->codecName(), "JPEG" ) )
 905                 {
 906                     tk->fmt.i_codec = VLC_FOURCC( 'M', 'J', 'P', 'G' );
 907                 }
 908                 else if( !strcmp( sub->codecName(), "MP4V-ES" ) )
 909                 {
 910                     unsigned int i_extra;
 911                     uint8_t      *p_extra;
 912
 913                     tk->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'v' );
 914
 915                     if( ( p_extra = parseGeneralConfigStr( sub->fmtp_config(),
 916                                                            i_extra ) ) )
 917                     {
 918                         tk->fmt.i_extra = i_extra;
 919                         tk->fmt.p_extra = malloc( i_extra );
 920                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
 921                         delete[] p_extra;
 922                     }
 923                 }
 924                 else if( !strcmp( sub->codecName(), "X-QT" ) ||
 925                          !strcmp( sub->codecName(), "X-QUICKTIME" ) ||
 926                          !strcmp( sub->codecName(), "X-QDM" ) ||
 927                          !strcmp( sub->codecName(), "X-SV3V-ES" )  ||
 928                          !strcmp( sub->codecName(), "X-SORENSONVIDEO" ) )
 929                 {
 930                     tk->b_quicktime = true;
 931                 }
 932                 else if( !strcmp( sub->codecName(), "MP2T" ) )
 933                 {
 934                     tk->b_muxed = true;
 935                     tk->p_out_muxed = stream_DemuxNew( p_demux, "ts", p_demux->out );
 936                 }
 937                 else if( !strcmp( sub->codecName(), "MP2P" ) ||
 938                          !strcmp( sub->codecName(), "MP1S" ) )
 939                 {
 940                     tk->b_muxed = true;
 941                     tk->p_out_muxed = stream_DemuxNew( p_demux, "ps",
 942                                                        p_demux->out );
 943                 }
 944                 else if( !strcmp( sub->codecName(), "X-ASF-PF" ) )
 945                 {
 946                     tk->b_asf = true;
 947                     if( p_sys->p_out_asf == NULL )
 948                         p_sys->p_out_asf = stream_DemuxNew( p_demux, "asf",
 949                                                             p_demux->out );;
 950                 }
 951             }
 952
 953             if( !tk->b_quicktime && !tk->b_muxed && !tk->b_asf )
 954             {
 955                 tk->p_es = es_out_Add( p_demux->out, &tk->fmt );
 956             }
 957
 958             if( sub->rtcpInstance() != NULL )
 959             {
 960                 sub->rtcpInstance()->setByeHandler( StreamClose, tk );
 961             }
 962
 963             if( tk->p_es || tk->b_quicktime || tk->b_muxed || tk->b_asf )
 964             {
 965                 /* Append */
 966                 p_sys->track = (live_track_t**)realloc( p_sys->track, sizeof( live_track_t ) * ( p_sys->i_track + 1 ) );
 967                 p_sys->track[p_sys->i_track++] = tk;
 968             }
 969             else
 970             {
 971                 /* BUG ??? */
 972                 msg_Err( p_demux, "unusable RTSP track. this should not happen" );
 973                 free( tk );
 974             }
 975         }
 976     }
 977     delete iter;
 978     if( p_sys->i_track <= 0 ) i_return = VLC_EGENERIC;
 979
 980 #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 1199404800)
 981     /* Retrieve the starttime if possible */
 982     p_sys->i_npt_start = (int64_t)( p_sys->ms->playStartTime() * (double)1000000.0 );
 983 #else
 984     p_sys->i_npt_start = (int64_t) -1;
 985 #endif
 986     if( p_sys->i_npt_start < 0 )
 987         p_sys->i_npt_start = -1;
 988
 989 #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 1199404800)
 990     /* Retrieve the duration if possible */
 991     p_sys->i_npt_length = (int64_t)( p_sys->ms->playEndTime() * (double)1000000.0 );
 992 #else
 993     p_sys->i_npt_length = (int64_t) -1;
 994 #endif
 995     if( p_sys->i_npt_length < 0 )
 996         p_sys->i_npt_length = -1;
 997
 998     msg_Dbg( p_demux, "setup start: %lld stop:%lld", p_sys->i_npt_start, p_sys->i_npt_length );
 999     return i_return;
1000 }
1001
1002 /*****************************************************************************
1003  * Play: starts the actual playback of the stream
1004  *****************************************************************************/
1005 static int Play( demux_t *p_demux )
1006 {
1007     demux_sys_t *p_sys = p_demux->p_sys;
1008     int i;
1009
1010     if( p_sys->rtsp )
1011     {
1012         /* The PLAY */
1013         if( !p_sys->rtsp->playMediaSession( *p_sys->ms, p_sys->i_npt_start, -1, 1 ) )
1014         {
1015             msg_Err( p_demux, "RTSP PLAY failed %s", p_sys->env->getResultMsg() );
1016             return VLC_EGENERIC;
1017         }
1018
1019         /* Retrieve the timeout value and set up a timeout prevention thread */
1020         p_sys->i_timeout = p_sys->rtsp->sessionTimeoutParameter();
1021         if( p_sys->i_timeout <= 0 )
1022             p_sys->i_timeout = 60; /* default value from RFC2326 */
1023
1024         /* start timeout-thread only on x-asf streams (wms), it has rtcp support but doesn't
1025          * seem to use it for liveness/keep-alive, get_parameter seems to work for it. get_parameter
1026          * doesn't work with dss 5.5.4 & 5.5.5, they seems to work with rtcp */
1027         if( !p_sys->p_timeout && p_sys->p_out_asf )
1028         {
1029             msg_Dbg( p_demux, "We have a timeout of %d seconds",  p_sys->i_timeout );
1030             p_sys->p_timeout = (timeout_thread_t *)vlc_object_create( p_demux, sizeof(timeout_thread_t) );
1031             p_sys->p_timeout->p_sys = p_demux->p_sys; /* lol, object recursion :D */
1032             if( vlc_thread_create( p_sys->p_timeout, "liveMedia-timeout", TimeoutPrevention,
1033                                    VLC_THREAD_PRIORITY_LOW, true ) )
1034             {
1035                 msg_Err( p_demux, "cannot spawn liveMedia timeout thread" );
1036                 vlc_object_release( p_sys->p_timeout );
1037             }
1038             msg_Dbg( p_demux, "spawned timeout thread" );
1039             vlc_object_attach( p_sys->p_timeout, p_demux );
1040         }
1041     }
1042     p_sys->i_pcr = 0;
1043
1044 #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 1195257600)
1045     for( i = 0; i < p_sys->i_track; i++ )
1046     {
1047         if( !p_sys->track[i]->b_rtcp_sync )
1048             p_sys->track[i]->i_pts = (int64_t) ( p_sys->track[i]->sub->rtpInfo.timestamp * (double)1000000.0 );
1049         p_sys->track[i]->i_start_seq = (int)p_sys->track[i]->sub->rtpInfo.seqNum;
1050         msg_Info( p_demux, "set startseq: %u", p_sys->track[i]->i_start_seq );
1051     }
1052 #endif
1053
1054 #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 1199404800)
1055     /* Retrieve the starttime if possible */
1056     p_sys->i_npt_start = (int64_t)( p_sys->ms->playStartTime() * (double)1000000.0 );
1057 #else
1058     p_sys->i_npt_start = -1;
1059 #endif
1060     if( p_sys->i_npt_start < 0 )
1061     {
1062         p_sys->i_npt_start = -1;
1063         p_sys->i_npt = 0;
1064     }
1065     else
1066         p_sys->i_npt = p_sys->i_npt_start;
1067
1068 #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 1199404800)
1069     /* Retrieve the duration if possible */
1070     p_sys->i_npt_length = (int64_t)( p_sys->ms->playEndTime() * (double)1000000.0 );
1071 #else
1072     p_sys->i_npt_length = -1;
1073 #endif
1074     if( p_sys->i_npt_length < 0 )
1075         p_sys->i_npt_length = -1;
1076
1077     msg_Dbg( p_demux, "play start: %lld stop:%lld", p_sys->i_npt_start, p_sys->i_npt_length );
1078     return VLC_SUCCESS;
1079 }
1080
1081
1082 /*****************************************************************************
1083  * Demux:
1084  *****************************************************************************/
1085 static int Demux( demux_t *p_demux )
1086 {
1087     demux_sys_t    *p_sys = p_demux->p_sys;
1088     TaskToken      task;
1089
1090     bool      b_send_pcr = true;
1091     int64_t         i_pcr = 0;
1092     int             i;
1093
1094     /* Check if we need to send the server a Keep-A-Live signal */
1095     if( p_sys->b_timeout_call && p_sys->rtsp && p_sys->ms )
1096     {
1097         char *psz_bye = NULL;
1098         p_sys->rtsp->getMediaSessionParameter( *p_sys->ms, NULL, psz_bye );
1099         p_sys->b_timeout_call = false;
1100     }
1101
1102
1103     for( i = 0; i < p_sys->i_track; i++ )
1104     {
1105         live_track_t *tk = p_sys->track[i];
1106
1107         if( tk->b_asf || tk->b_muxed )
1108             b_send_pcr = false;
1109 #if 0
1110         if( i_pcr == 0 )
1111         {
1112             i_pcr = tk->i_pts;
1113         }
1114         else if( tk->i_pts != 0 && i_pcr > tk->i_pts )
1115         {
1116             i_pcr = tk->i_pts ;
1117         }
1118 #endif
1119     }
1120     if( p_sys->i_pcr > 0 )
1121     {
1122         if( b_send_pcr )
1123             es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_sys->i_pcr );
1124     }
1125
1126     /* First warn we want to read data */
1127     p_sys->event = 0;
1128     for( i = 0; i < p_sys->i_track; i++ )
1129     {
1130         live_track_t *tk = p_sys->track[i];
1131
1132         if( tk->waiting == 0 )
1133         {
1134             tk->waiting = 1;
1135             tk->sub->readSource()->getNextFrame( tk->p_buffer, tk->i_buffer,
1136                                           StreamRead, tk, StreamClose, tk );
1137         }
1138     }
1139     /* Create a task that will be called if we wait more than 300ms */
1140     task = p_sys->scheduler->scheduleDelayedTask( 300000, TaskInterrupt, p_demux );
1141
1142     /* Do the read */
1143     p_sys->scheduler->doEventLoop( &p_sys->event );
1144
1145     /* remove the task */
1146     p_sys->scheduler->unscheduleDelayedTask( task );
1147
1148     /* Check for gap in pts value */
1149     for( i = 0; i < p_sys->i_track; i++ )
1150     {
1151         live_track_t *tk = p_sys->track[i];
1152
1153         if( !tk->b_muxed && !tk->b_rtcp_sync &&
1154             tk->sub->rtpSource() && tk->sub->rtpSource()->hasBeenSynchronizedUsingRTCP() )
1155         {
1156             msg_Dbg( p_demux, "tk->rtpSource->hasBeenSynchronizedUsingRTCP()" );
1157
1158             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
1159             tk->b_rtcp_sync = true;
1160             /* reset PCR */
1161             tk->i_pts = 0;
1162             p_sys->i_pcr = 0;
1163             i_pcr = 0;
1164         }
1165     }
1166
1167     if( p_sys->b_multicast && p_sys->b_no_data &&
1168         ( p_sys->i_no_data_ti > 120 ) )
1169     {
1170         /* FIXME Make this configurable
1171         msg_Err( p_demux, "no multicast data received in 36s, aborting" );
1172         return 0;
1173         */
1174     }
1175     else if( !p_sys->b_multicast && p_sys->b_no_data &&
1176              ( p_sys->i_no_data_ti > 34 ) )
1177     {
1178         bool b_rtsp_tcp = var_GetBool( p_demux, "rtsp-tcp" ) ||
1179                                 var_GetBool( p_demux, "rtsp-http" );
1180
1181         if( !b_rtsp_tcp && p_sys->rtsp && p_sys->ms )
1182         {
1183             msg_Warn( p_demux, "no data received in 10s. Switching to TCP" );
1184             if( RollOverTcp( p_demux ) )
1185             {
1186                 msg_Err( p_demux, "TCP rollover failed, aborting" );
1187                 return 0;
1188             }
1189         }
1190         else if( p_sys->i_no_data_ti > 34 )
1191         {
1192             msg_Err( p_demux, "no data received in 10s, aborting" );
1193             return 0;
1194         }
1195     }
1196     else if( !p_sys->b_multicast && p_sys->b_no_data && p_sys->i_no_data_ti > 34 )
1197     {
1198         /* EOF ? */
1199         msg_Warn( p_demux, "no data received in 10s, eof ?" );
1200         return 0;
1201     }
1202     return p_demux->b_error ? 0 : 1;
1203 }
1204
1205 /*****************************************************************************
1206  * Control:
1207  *****************************************************************************/
1208 static int Control( demux_t *p_demux, int i_query, va_list args )
1209 {
1210     demux_sys_t *p_sys = p_demux->p_sys;
1211     int64_t *pi64;
1212     double  *pf, f;
1213     bool *pb, *pb2, b_bool;
1214     int *pi_int;
1215
1216     switch( i_query )
1217     {
1218         case DEMUX_GET_TIME:
1219             pi64 = (int64_t*)va_arg( args, int64_t * );
1220             if( p_sys->i_npt > 0 )
1221             {
1222                 *pi64 = p_sys->i_npt;
1223                 return VLC_SUCCESS;
1224             }
1225             return VLC_EGENERIC;
1226
1227         case DEMUX_GET_LENGTH:
1228             pi64 = (int64_t*)va_arg( args, int64_t * );
1229             if( p_sys->i_npt_length > 0 )
1230             {
1231                 *pi64 = p_sys->i_npt_length;
1232                 return VLC_SUCCESS;
1233             }
1234             return VLC_EGENERIC;
1235
1236         case DEMUX_GET_POSITION:
1237             pf = (double*)va_arg( args, double* );
1238             if( p_sys->i_npt_length > 0 && p_sys->i_npt > 0 )
1239             {
1240                 *pf = (double)p_sys->i_npt / (double)p_sys->i_npt_length;
1241                 return VLC_SUCCESS;
1242             }
1243             return VLC_EGENERIC;
1244
1245         case DEMUX_SET_POSITION:
1246         {
1247             float time;
1248
1249             f = (double)va_arg( args, double );
1250             if( p_sys->rtsp && p_sys->i_npt_length > 0 )
1251             {
1252                 int i;
1253                 time = f * (double)p_sys->i_npt_length / (double)1000000.0;   /* in second */
1254                 if( !p_sys->rtsp->playMediaSession( *p_sys->ms, time, -1, 1 ) )
1255                 {
1256                     msg_Err( p_demux, "PLAY failed %s",
1257                         p_sys->env->getResultMsg() );
1258                     return VLC_EGENERIC;
1259                 }
1260                 es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
1261                 p_sys->i_pcr = 0;
1262 #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 1195257600)
1263                 /* Retrieve RTP-Info values */
1264                 for( i = 0; i < p_sys->i_track; i++ )
1265                 {
1266                     //if( !p_sys->track[i]->b_rtcp_sync )
1267                     p_sys->track[i]->b_rtcp_sync = false;
1268                     p_sys->track[i]->i_pts = (int64_t) ( p_sys->track[i]->sub->rtpInfo.timestamp * (double)1000000.0 );
1269                     p_sys->track[i]->i_start_seq = p_sys->track[i]->sub->rtpInfo.seqNum;
1270                     msg_Info( p_demux, "set pos startseq: %u", p_sys->track[i]->i_start_seq );
1271                 }
1272 #endif
1273 #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 1199404800)
1274                 /* Retrieve the starttime if possible */
1275                 p_sys->i_npt_start = (int64_t)( p_sys->ms->playStartTime() * (double)1000000.0 );
1276 #else
1277                 p_sys->i_npt_start = -1;
1278 #endif
1279                 if( p_sys->i_npt_start < 0 )
1280                 {
1281                     p_sys->i_npt_start = -1;
1282                     p_sys->i_npt = 0;
1283                 }
1284                 else
1285                     p_sys->i_npt = p_sys->i_npt_start;
1286
1287 #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 1199404800)
1288                 /* Retrieve the duration if possible */
1289                 p_sys->i_npt_length = (int64_t)( p_sys->ms->playEndTime() * (double)1000000.0 );
1290 #else
1291                 p_sys->i_npt_length = -1;
1292 #endif
1293                 if( p_sys->i_npt_length < 0 )
1294                     p_sys->i_npt_length = -1;
1295
1296                 msg_Dbg( p_demux, "seek start: %lld stop:%lld", p_sys->i_npt_start, p_sys->i_npt_length );
1297                 return VLC_SUCCESS;
1298             }
1299             return VLC_EGENERIC;
1300         }
1301         /* Special for access_demux */
1302         case DEMUX_CAN_PAUSE:
1303         case DEMUX_CAN_SEEK:
1304             pb = (bool*)va_arg( args, bool * );
1305             if( p_sys->rtsp && p_sys->i_npt_length )
1306                 /* Not always true, but will be handled in SET_PAUSE_STATE */
1307                 *pb = true;
1308             else
1309                 *pb = false;
1310             return VLC_SUCCESS;
1311
1312         case DEMUX_CAN_CONTROL_PACE:
1313             pb = (bool*)va_arg( args, bool * );
1314
1315 #if 1       /* Disable for now until we have a clock synchro algo
1316              * which works with something else than MPEG over UDP */
1317             *pb = false;
1318 #else
1319             *pb = true;
1320 #endif
1321             return VLC_SUCCESS;
1322
1323 #if 0
1324         case DEMUX_CAN_CONTROL_RATE:
1325             pb = (bool*)va_arg( args, bool * );
1326             pb2 = (bool*)va_arg( args, bool * );
1327
1328             *pb = p_sys->rtsp != NULL && p_sys->i_npt_length > 0 && !var_GetBool( p_demux, "rtsp-kasenna" );
1329             *pb2 = false;
1330             return VLC_SUCCESS;
1331
1332         case DEMUX_SET_RATE:
1333         {
1334             double f_scale;
1335
1336             if( !p_sys->rtsp || p_sys->i_npt_length <= 0 || var_GetBool( p_demux, "rtsp-kasenna" ) )
1337                 return VLC_EGENERIC;
1338
1339             /* TODO we might want to ensure that the new rate is different from
1340              * old rate after playMediaSession...
1341              * I have no idea how the server map the requested rate to the
1342              * ones it supports.
1343              * ex:
1344              *  current is x2 we request x1.5 if the server return x2 we will
1345              *  never succeed to return to x1.
1346              *  In this case we should retry with a lower rate until we have
1347              *  one (even x1).
1348              */
1349
1350             pi_int = (int*)va_arg( args, int * );
1351             f_scale = (double)INPUT_RATE_DEFAULT / (*p_int);
1352
1353             /* Passing -1 for the start and end time will mean liveMedia won't
1354             * create a Range: section for the RTSP message. The server should
1355             * pick up from the current position */
1356             if( !p_sys->rtsp->playMediaSession( *p_sys->ms, -1, -1, f_scale ) )
1357             {
1358                 msg_Err( p_demux, "PLAY with Scale %0.2f failed %s", f_scale,
1359                         p_sys->env->getResultMsg() );
1360                 return VLC_EGENERIC;
1361             }
1362             /* ReSync the stream */
1363             p_sys->i_npt_start = 0;
1364             p_sys->i_pcr = 0;
1365             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
1366
1367             *pi_int = (int)( INPUT_RATE_DEFAULT / p_sys->ms->scale() + 0.5 );
1368             return VLC_SUCCESS;
1369         }
1370 #endif
1371
1372         case DEMUX_SET_PAUSE_STATE:
1373         {
1374             double d_npt = (double) p_sys->i_npt / I64C(1000000);
1375             int i;
1376
1377             b_bool = (bool)va_arg( args, int );
1378             if( p_sys->rtsp == NULL )
1379                 return VLC_EGENERIC;
1380
1381             /* FIXME */
1382             if( ( b_bool && !p_sys->rtsp->pauseMediaSession( *p_sys->ms ) ) ||
1383                     ( !b_bool && !p_sys->rtsp->playMediaSession( *p_sys->ms,
1384                       d_npt > 0 ? d_npt : -1 ) ) )
1385             {
1386                     msg_Err( p_demux, "PLAY or PAUSE failed %s", p_sys->env->getResultMsg() );
1387                     return VLC_EGENERIC;
1388             }
1389
1390             /* When we Pause, we'll need the TimeoutPrevention thread to
1391              * handle sending the "Keep Alive" message to the server.
1392              * Unfortunately Live555 isn't thread safe and so can't
1393              * do this normally while the main Demux thread is handling
1394              * a live stream. We end up with the Timeout thread blocking
1395              * waiting for a response from the server. So when we PAUSE
1396              * we set a flag that the TimeoutPrevention function will check
1397              * and if it's set, it will trigger the GET_PARAMETER message */
1398             if( b_bool && p_sys->p_timeout != NULL )
1399                 p_sys->p_timeout->b_handle_keep_alive = true;
1400             else if( !b_bool && p_sys->p_timeout != NULL )
1401                 p_sys->p_timeout->b_handle_keep_alive = false;
1402
1403             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
1404             p_sys->i_pcr = 0;
1405 #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 1195257600)
1406             for( i = 0; i < p_sys->i_track; i++ )
1407             {
1408                 if( !p_sys->track[i]->b_rtcp_sync )
1409                     p_sys->track[i]->i_pts = 0; // (int64_t) ( p_sys->track[i]->sub->rtpInfo.timestamp * (double)1000000.0 );
1410                 p_sys->track[i]->i_start_seq = p_sys->track[i]->sub->rtpInfo.seqNum;
1411                 msg_Info( p_demux, "set pause startseq: %u", p_sys->track[i]->i_start_seq );
1412             }
1413 #endif
1414 #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 1199404800)
1415             /* Retrieve the starttime if possible */
1416             p_sys->i_npt_start = (int64_t)( p_sys->ms->playStartTime() * (double)1000000.0 );
1417 #else
1418             p_sys->i_npt_start = -1;
1419 #endif
1420             if( p_sys->i_npt_start < 0 )
1421             {
1422                 p_sys->i_npt_start = -1;
1423                 p_sys->i_npt = 0;
1424             }
1425             else
1426                 p_sys->i_npt = p_sys->i_npt_start;
1427
1428 #if (LIVEMEDIA_LIBRARY_VERSION_INT >= 1199404800)
1429             /* Retrieve the duration if possible */
1430             p_sys->i_npt_length = (int64_t)( p_sys->ms->playEndTime() * (double)1000000.0 );
1431 #else
1432             p_sys->i_npt_length = -1;
1433 #endif
1434             if( p_sys->i_npt_length < 0 )
1435                 p_sys->i_npt_length = -1;
1436
1437             msg_Dbg( p_demux, "pause start: %lld stop:%lld", p_sys->i_npt_start, p_sys->i_npt_length );
1438             return VLC_SUCCESS;
1439         }
1440         case DEMUX_GET_TITLE_INFO:
1441         case DEMUX_SET_TITLE:
1442         case DEMUX_SET_SEEKPOINT:
1443             return VLC_EGENERIC;
1444
1445         case DEMUX_GET_PTS_DELAY:
1446             pi64 = (int64_t*)va_arg( args, int64_t * );
1447             *pi64 = (int64_t)var_GetInteger( p_demux, "rtsp-caching" ) * 1000;
1448             return VLC_SUCCESS;
1449
1450         default:
1451             return VLC_EGENERIC;
1452     }
1453 }
1454
1455 /*****************************************************************************
1456  * RollOverTcp: reopen the rtsp into TCP mode
1457  * XXX: ugly, a lot of code are duplicated from Open()
1458  * This should REALLY be fixed
1459  *****************************************************************************/
1460 static int RollOverTcp( demux_t *p_demux )
1461 {
1462     demux_sys_t *p_sys = p_demux->p_sys;
1463     int i, i_return;
1464
1465     var_SetBool( p_demux, "rtsp-tcp", true );
1466
1467     /* We close the old RTSP session */
1468     for( i = 0; i < p_sys->i_track; i++ )
1469     {
1470         live_track_t *tk = p_sys->track[i];
1471
1472         if( tk->b_muxed ) stream_DemuxDelete( tk->p_out_muxed );
1473         free( tk->p_buffer );
1474         free( tk );
1475     }
1476     if( p_sys->i_track ) free( p_sys->track );
1477     if( p_sys->p_out_asf ) stream_DemuxDelete( p_sys->p_out_asf );
1478
1479     p_sys->rtsp->teardownMediaSession( *p_sys->ms );
1480     Medium::close( p_sys->ms );
1481     RTSPClient::close( p_sys->rtsp );
1482
1483     p_sys->ms = NULL;
1484     p_sys->rtsp = NULL;
1485     p_sys->track = NULL;
1486     p_sys->i_track = 0;
1487
1488     /* Reopen rtsp client */
1489     if( ( p_demux->s != NULL ) &&
1490         ( i_return = Connect( p_demux ) ) != VLC_SUCCESS )
1491     {
1492         msg_Err( p_demux, "Failed to connect with rtsp://%s",
1493                  p_sys->psz_path );
1494         goto error;
1495     }
1496
1497     if( p_sys->p_sdp == NULL )
1498     {
1499         msg_Err( p_demux, "Failed to retrieve the RTSP Session Description" );
1500         goto error;
1501     }
1502
1503     if( ( i_return = SessionsSetup( p_demux ) ) != VLC_SUCCESS )
1504     {
1505         msg_Err( p_demux, "Nothing to play for rtsp://%s", p_sys->psz_path );
1506         goto error;
1507     }
1508
1509     if( ( i_return = Play( p_demux ) ) != VLC_SUCCESS )
1510         goto error;
1511
1512     return VLC_SUCCESS;
1513
1514 error:
1515     return VLC_EGENERIC;
1516 }
1517
1518
1519 /*****************************************************************************
1520  *
1521  *****************************************************************************/
1522 static void StreamRead( void *p_private, unsigned int i_size,
1523                         unsigned int i_truncated_bytes, struct timeval pts,
1524                         unsigned int duration )
1525 {
1526     live_track_t   *tk = (live_track_t*)p_private;
1527     demux_t        *p_demux = tk->p_demux;
1528     demux_sys_t    *p_sys = p_demux->p_sys;
1529     block_t        *p_block;
1530
1531     //msg_Dbg( p_demux, "pts: %d", pts.tv_sec );
1532
1533     int64_t i_pts = (uint64_t)pts.tv_sec * UI64C(1000000) +
1534         (uint64_t)pts.tv_usec;
1535
1536     /* XXX Beurk beurk beurk Avoid having negative value XXX */
1537     i_pts &= UI64C(0x00ffffffffffffff);
1538
1539     if( tk->b_quicktime && tk->p_es == NULL )
1540     {
1541         QuickTimeGenericRTPSource *qtRTPSource =
1542             (QuickTimeGenericRTPSource*)tk->sub->rtpSource();
1543         QuickTimeGenericRTPSource::QTState &qtState = qtRTPSource->qtState;
1544         uint8_t *sdAtom = (uint8_t*)&qtState.sdAtom[4];
1545
1546         if( tk->fmt.i_cat == VIDEO_ES ) {
1547             if( qtState.sdAtomSize < 16 + 32 )
1548             {
1549                 /* invalid */
1550                 p_sys->event = 0xff;
1551                 tk->waiting = 0;
1552                 return;
1553             }
1554             tk->fmt.i_codec = VLC_FOURCC(sdAtom[0],sdAtom[1],sdAtom[2],sdAtom[3]);
1555             tk->fmt.video.i_width  = (sdAtom[28] << 8) | sdAtom[29];
1556             tk->fmt.video.i_height = (sdAtom[30] << 8) | sdAtom[31];
1557
1558             if( tk->fmt.i_codec == VLC_FOURCC('a', 'v', 'c', '1') )
1559             {
1560                 uint8_t *pos = (uint8_t*)qtRTPSource->qtState.sdAtom + 86;
1561                 uint8_t *endpos = (uint8_t*)qtRTPSource->qtState.sdAtom
1562                                   + qtRTPSource->qtState.sdAtomSize;
1563                 while (pos+8 < endpos) {
1564                     unsigned int atomLength = pos[0]<<24 | pos[1]<<16 | pos[2]<<8 | pos[3];
1565                     if( atomLength == 0 || atomLength > (unsigned int)(endpos-pos)) break;
1566                     if( memcmp(pos+4, "avcC", 4) == 0 &&
1567                         atomLength > 8 &&
1568                         atomLength <= INT_MAX )
1569                     {
1570                         tk->fmt.i_extra = atomLength-8;
1571                         tk->fmt.p_extra = malloc( tk->fmt.i_extra );
1572                         memcpy(tk->fmt.p_extra, pos+8, atomLength-8);
1573                         break;
1574                     }
1575                     pos += atomLength;
1576                 }
1577             }
1578             else
1579             {
1580                 tk->fmt.i_extra        = qtState.sdAtomSize - 16;
1581                 tk->fmt.p_extra        = malloc( tk->fmt.i_extra );
1582                 memcpy( tk->fmt.p_extra, &sdAtom[12], tk->fmt.i_extra );
1583             }
1584         }
1585         else {
1586             if( qtState.sdAtomSize < 4 )
1587             {
1588                 /* invalid */
1589                 p_sys->event = 0xff;
1590                 tk->waiting = 0;
1591                 return;
1592             }
1593             tk->fmt.i_codec = VLC_FOURCC(sdAtom[0],sdAtom[1],sdAtom[2],sdAtom[3]);
1594         }
1595         tk->p_es = es_out_Add( p_demux->out, &tk->fmt );
1596     }
1597
1598 #if 0
1599     fprintf( stderr, "StreamRead size=%d pts=%lld\n",
1600              i_size,
1601              pts.tv_sec * 1000000LL + pts.tv_usec );
1602 #endif
1603
1604     /* grow buffer if it looks like buffer is too small, but don't eat
1605      * up all the memory on strange streams */
1606     if( i_truncated_bytes > 0 && tk->i_buffer < 2000000 )
1607     {
1608         void *p_tmp;
1609         msg_Dbg( p_demux, "lost %d bytes", i_truncated_bytes );
1610         msg_Dbg( p_demux, "increasing buffer size to %d", tk->i_buffer * 2 );
1611         tk->i_buffer *= 2;
1612         p_tmp = realloc( tk->p_buffer, tk->i_buffer );
1613         if( p_tmp == NULL )
1614         {
1615             msg_Warn( p_demux, "realloc failed" );
1616         }
1617         else
1618         {
1619             tk->p_buffer = (uint8_t*)p_tmp;
1620         }
1621     }
1622     if( i_size > tk->i_buffer )
1623     {
1624         msg_Warn( p_demux, "buffer overflow" );
1625     }
1626     /* FIXME could i_size be > buffer size ? */
1627     if( tk->fmt.i_codec == VLC_FOURCC('s','a','m','r') ||
1628         tk->fmt.i_codec == VLC_FOURCC('s','a','w','b') )
1629     {
1630         AMRAudioSource *amrSource = (AMRAudioSource*)tk->sub->readSource();
1631
1632         p_block = block_New( p_demux, i_size + 1 );
1633         p_block->p_buffer[0] = amrSource->lastFrameHeader();
1634         memcpy( p_block->p_buffer + 1, tk->p_buffer, i_size );
1635     }
1636     else if( tk->fmt.i_codec == VLC_FOURCC('H','2','6','1') )
1637     {
1638 #if LIVEMEDIA_LIBRARY_VERSION_INT >= 1081468800
1639         H261VideoRTPSource *h261Source = (H261VideoRTPSource*)tk->sub->rtpSource();
1640         uint32_t header = h261Source->lastSpecialHeader();
1641 #else
1642         uint32_t header = 0;
1643         msg_Warn( p_demux, "need livemedia library >= \"2004.04.09\"" );
1644 #endif
1645         p_block = block_New( p_demux, i_size + 4 );
1646         memcpy( p_block->p_buffer, &header, 4 );
1647         memcpy( p_block->p_buffer + 4, tk->p_buffer, i_size );
1648
1649         if( tk->sub->rtpSource()->curPacketMarkerBit() )
1650             p_block->i_flags |= BLOCK_FLAG_END_OF_FRAME;
1651     }
1652     else if( tk->fmt.i_codec == VLC_FOURCC('h','2','6','4') )
1653     {
1654         if( (tk->p_buffer[0] & 0x1f) >= 24 )
1655             msg_Warn( p_demux, "unsupported NAL type for H264" );
1656
1657         /* Normal NAL type */
1658         p_block = block_New( p_demux, i_size + 4 );
1659         p_block->p_buffer[0] = 0x00;
1660         p_block->p_buffer[1] = 0x00;
1661         p_block->p_buffer[2] = 0x00;
1662         p_block->p_buffer[3] = 0x01;
1663         memcpy( &p_block->p_buffer[4], tk->p_buffer, i_size );
1664     }
1665     else if( tk->b_asf )
1666     {
1667         int i_copy = __MIN( p_sys->asfh.i_min_data_packet_size, (int)i_size );
1668         p_block = block_New( p_demux, p_sys->asfh.i_min_data_packet_size );
1669
1670         memcpy( p_block->p_buffer, tk->p_buffer, i_copy );
1671     }
1672     else
1673     {
1674         p_block = block_New( p_demux, i_size );
1675         memcpy( p_block->p_buffer, tk->p_buffer, i_size );
1676     }
1677
1678     /* Update NPT */
1679     //msg_Dbg( p_demux, "current %d, start_seq %u", (int)tk->sub->rtpSource()->curPacketRTPSeqNum(), tk->i_start_seq );
1680     if( (tk->fmt.i_cat == VIDEO_ES) && (p_sys->i_pcr < i_pts) &&
1681         (i_pts > 0) && (p_sys->i_pcr > 0) )
1682     {
1683         p_sys->i_npt += __MAX( 0, i_pts - p_sys->i_pcr );
1684         p_sys->i_pcr = i_pts;
1685         //msg_Dbg( p_demux, "npt update" );
1686     }
1687     else if( /*tk->fmt.i_cat == VIDEO_ES &&*/ p_sys->i_pcr < i_pts )
1688     {
1689         p_sys->i_pcr = i_pts;
1690     }
1691     //msg_Dbg( p_demux, "npt %lld", p_sys->i_npt );
1692
1693     if( (i_pts != tk->i_pts) && (!tk->b_muxed) )
1694     {
1695         p_block->i_pts = i_pts;
1696     }
1697     if( !tk->b_muxed )
1698     {
1699         /*FIXME: for h264 you should check that packetization-mode=1 in sdp-file */
1700         p_block->i_dts = ( tk->fmt.i_codec == VLC_FOURCC( 'm', 'p', 'g', 'v' ) ) ? 0 : i_pts;
1701     }
1702
1703     if( tk->b_muxed )
1704     {
1705         stream_DemuxSend( tk->p_out_muxed, p_block );
1706     }
1707     else if( tk->b_asf )
1708     {
1709         stream_DemuxSend( p_sys->p_out_asf, p_block );
1710     }
1711     else
1712     {
1713         es_out_Send( p_demux->out, tk->p_es, p_block );
1714     }
1715
1716     /* warn that's ok */
1717     p_sys->event = 0xff;
1718
1719     /* we have read data */
1720     tk->waiting = 0;
1721     p_demux->p_sys->b_no_data = false;
1722     p_demux->p_sys->i_no_data_ti = 0;
1723
1724     if( i_pts > 0 && !tk->b_muxed )
1725     {
1726         tk->i_pts = i_pts;
1727     }
1728 }
1729
1730 /*****************************************************************************
1731  *
1732  *****************************************************************************/
1733 static void StreamClose( void *p_private )
1734 {
1735     live_track_t   *tk = (live_track_t*)p_private;
1736     demux_t        *p_demux = tk->p_demux;
1737     demux_sys_t    *p_sys = p_demux->p_sys;
1738
1739     msg_Dbg( p_demux, "StreamClose" );
1740
1741     p_sys->event = 0xff;
1742     p_demux->b_error = true;
1743 }
1744
1745
1746 /*****************************************************************************
1747  *
1748  *****************************************************************************/
1749 static void TaskInterrupt( void *p_private )
1750 {
1751     demux_t *p_demux = (demux_t*)p_private;
1752
1753     p_demux->p_sys->i_no_data_ti++;
1754
1755     /* Avoid lock */
1756     p_demux->p_sys->event = 0xff;
1757 }
1758
1759 /*****************************************************************************
1760  *
1761  *****************************************************************************/
1762 static void TimeoutPrevention( timeout_thread_t *p_timeout )
1763 {
1764     p_timeout->b_die = false;
1765     p_timeout->i_remain = (int64_t)p_timeout->p_sys->i_timeout -2;
1766     p_timeout->i_remain *= 1000000;
1767
1768     vlc_thread_ready( p_timeout );
1769
1770     /* Avoid lock */
1771     while( !p_timeout->b_die )
1772     {
1773         if( p_timeout->i_remain <= 0 )
1774         {
1775             char *psz_bye = NULL;
1776             p_timeout->i_remain = (int64_t)p_timeout->p_sys->i_timeout -2;
1777             p_timeout->i_remain *= 1000000;
1778             msg_Dbg( p_timeout, "reset the timeout timer" );
1779             if( p_timeout->b_handle_keep_alive == true )
1780             {
1781 #if LIVEMEDIA_LIBRARY_VERSION_INT >= 1138089600
1782                 p_timeout->p_sys->rtsp->getMediaSessionParameter( *p_timeout->p_sys->ms, NULL, psz_bye );
1783 #endif
1784                 p_timeout->p_sys->b_timeout_call = false;
1785             }
1786             else
1787             {
1788                 p_timeout->p_sys->b_timeout_call = true;
1789             }
1790         }
1791         p_timeout->i_remain -= 200000;
1792         msleep( 200000 ); /* 200 ms */
1793     }
1794 }
1795
1796 /*****************************************************************************
1797  *
1798  *****************************************************************************/
1799 static int b64_decode( char *dest, char *src );
1800
1801 static int ParseASF( demux_t *p_demux )
1802 {
1803     demux_sys_t    *p_sys = p_demux->p_sys;
1804
1805     const char *psz_marker = "a=pgmpu:data:application/vnd.ms.wms-hdr.asfv1;base64,";
1806     char *psz_asf = strcasestr( p_sys->p_sdp, psz_marker );
1807     char *psz_end;
1808     block_t *p_header;
1809
1810     /* Parse the asf header */
1811     if( psz_asf == NULL )
1812         return VLC_EGENERIC;
1813
1814     psz_asf += strlen( psz_marker );
1815     psz_asf = strdup( psz_asf );    /* Duplicate it */
1816     psz_end = strchr( psz_asf, '\n' );
1817
1818     while( psz_end > psz_asf && ( *psz_end == '\n' || *psz_end == '\r' ) )
1819         *psz_end-- = '\0';
1820
1821     if( psz_asf >= psz_end )
1822     {
1823         free( psz_asf );
1824         return VLC_EGENERIC;
1825     }
1826
1827     /* Always smaller */
1828     p_header = block_New( p_demux, psz_end - psz_asf );
1829     p_header->i_buffer = b64_decode( (char*)p_header->p_buffer, psz_asf );
1830     //msg_Dbg( p_demux, "Size=%d Hdrb64=%s", p_header->i_buffer, psz_asf );
1831     if( p_header->i_buffer <= 0 )
1832     {
1833         free( psz_asf );
1834         return VLC_EGENERIC;
1835     }
1836
1837     /* Parse it to get packet size */
1838     E_(asf_HeaderParse)( &p_sys->asfh, p_header->p_buffer, p_header->i_buffer );
1839
1840     /* Send it to demuxer */
1841     stream_DemuxSend( p_sys->p_out_asf, p_header );
1842
1843     free( psz_asf );
1844     return VLC_SUCCESS;
1845 }
1846
1847
1848 static unsigned char* parseH264ConfigStr( char const* configStr,
1849                                           unsigned int& configSize )
1850 {
1851     char *dup, *psz;
1852     int i, i_records = 1;
1853
1854     if( configSize )
1855     configSize = 0;
1856
1857     if( configStr == NULL || *configStr == '\0' )
1858         return NULL;
1859
1860     psz = dup = strdup( configStr );
1861
1862     /* Count the number of comma's */
1863     for( psz = dup; *psz != '\0'; ++psz )
1864     {
1865         if( *psz == ',')
1866         {
1867             ++i_records;
1868             *psz = '\0';
1869         }
1870     }
1871
1872     unsigned char *cfg = new unsigned char[5 * strlen(dup)];
1873     psz = dup;
1874     for( i = 0; i < i_records; i++ )
1875     {
1876         cfg[configSize++] = 0x00;
1877         cfg[configSize++] = 0x00;
1878         cfg[configSize++] = 0x00;
1879         cfg[configSize++] = 0x01;
1880
1881         configSize += b64_decode( (char*)&cfg[configSize], psz );
1882         psz += strlen(psz)+1;
1883     }
1884
1885     free( dup );
1886     return cfg;
1887 }
1888
1889 /*char b64[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";*/
1890 static int b64_decode( char *dest, char *src )
1891 {
1892     const char *dest_start = dest;
1893     int  i_level;
1894     int  last = 0;
1895     int  b64[256] = {
1896         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* 00-0F */
1897         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* 10-1F */
1898         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,62,-1,-1,-1,63,  /* 20-2F */
1899         52,53,54,55,56,57,58,59,60,61,-1,-1,-1,-1,-1,-1,  /* 30-3F */
1900         -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10,11,12,13,14,  /* 40-4F */
1901         15,16,17,18,19,20,21,22,23,24,25,-1,-1,-1,-1,-1,  /* 50-5F */
1902         -1,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,  /* 60-6F */
1903         41,42,43,44,45,46,47,48,49,50,51,-1,-1,-1,-1,-1,  /* 70-7F */
1904         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* 80-8F */
1905         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* 90-9F */
1906         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* A0-AF */
1907         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* B0-BF */
1908         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* C0-CF */
1909         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* D0-DF */
1910         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* E0-EF */
1911         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1   /* F0-FF */
1912         };
1913
1914     for( i_level = 0; *src != '\0'; src++ )
1915     {
1916         int  c;
1917
1918         c = b64[(unsigned int)*src];
1919         if( c == -1 )
1920         {
1921             continue;
1922         }
1923
1924         switch( i_level )
1925         {
1926             case 0:
1927                 i_level++;
1928                 break;
1929             case 1:
1930                 *dest++ = ( last << 2 ) | ( ( c >> 4)&0x03 );
1931                 i_level++;
1932                 break;
1933             case 2:
1934                 *dest++ = ( ( last << 4 )&0xf0 ) | ( ( c >> 2 )&0x0f );
1935                 i_level++;
1936                 break;
1937             case 3:
1938                 *dest++ = ( ( last &0x03 ) << 6 ) | c;
1939                 i_level = 0;
1940         }
1941         last = c;
1942     }
1943
1944     *dest = '\0';
1945
1946     return dest - dest_start;
1947 }