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 along
  22  * with this program; if not, write to the Free Software Foundation, Inc.,
  23  * 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  24  *****************************************************************************/
  25
  26 /*****************************************************************************
  27  * Preamble
  28  *****************************************************************************/
  29
  30 /* For inttypes.h
  31  * Note: config.h may include inttypes.h, so make sure we define this option
  32  * early enough. */
  33 #define __STDC_CONSTANT_MACROS 1
  34
  35 #ifdef HAVE_CONFIG_H
  36 # include "config.h"
  37 #endif
  38
  39 #include <inttypes.h>
  40
  41 #include <vlc_common.h>
  42 #include <vlc_plugin.h>
  43 #include <vlc_input.h>
  44 #include <vlc_demux.h>
  45 #include <vlc_dialog.h>
  46 #include <vlc_url.h>
  47 #include <vlc_strings.h>
  48
  49 #include <iostream>
  50 #include <limits.h>
  51 #include <assert.h>
  52
  53
  54 #if defined( WIN32 )
  55 #   include <winsock2.h>
  56 #endif
  57
  58 #include <UsageEnvironment.hh>
  59 #include <BasicUsageEnvironment.hh>
  60 #include <GroupsockHelper.hh>
  61 #include <liveMedia.hh>
  62
  63 extern "C" {
  64 #include "../access/mms/asf.h"  /* Who said ugly ? */
  65 }
  66
  67 using namespace std;
  68
  69 /*****************************************************************************
  70  * Module descriptor
  71  *****************************************************************************/
  72 static int  Open ( vlc_object_t * );
  73 static void Close( vlc_object_t * );
  74
  75 #define CACHING_TEXT N_("Caching value (ms)")
  76 #define CACHING_LONGTEXT N_( \
  77     "Allows you to modify the default caching value for RTSP streams. This " \
  78     "value should be set in millisecond units." )
  79
  80 #define KASENNA_TEXT N_( "Kasenna RTSP dialect")
  81 #define KASENNA_LONGTEXT N_( "Kasenna servers use an old and nonstandard " \
  82     "dialect of RTSP. With this parameter VLC will try this dialect, but "\
  83     "then it cannot connect to normal RTSP servers." )
  84
  85 #define WMSERVER_TEXT N_("WMServer RTSP dialect")
  86 #define WMSERVER_LONGTEXT N_("WMServer uses an unstandard dialect " \
  87     "of RTSP. Selecting this parameter will tell VLC to assume some " \
  88     "options contrary to RFC 2326 guidelines.")
  89
  90 #define USER_TEXT N_("RTSP user name")
  91 #define USER_LONGTEXT N_("Sets the username for the connection, " \
  92     "if no username or password are set in the url.")
  93 #define PASS_TEXT N_("RTSP password")
  94 #define PASS_LONGTEXT N_("Sets the password for the connection, " \
  95     "if no username or password are set in the url.")
  96
  97 vlc_module_begin ()
  98     set_description( N_("RTP/RTSP/SDP demuxer (using Live555)" ) )
  99     set_capability( "demux", 50 )
 100     set_shortname( "RTP/RTSP")
 101     set_callbacks( Open, Close )
 102     add_shortcut( "live", "livedotcom" )
 103     set_category( CAT_INPUT )
 104     set_subcategory( SUBCAT_INPUT_DEMUX )
 105
 106     add_submodule ()
 107         set_description( N_("RTSP/RTP access and demux") )
 108         add_shortcut( "rtsp", "pnm", "sdp", "live", "livedotcom" )
 109         set_capability( "access_demux", 0 )
 110         set_callbacks( Open, Close )
 111         add_bool( "rtsp-tcp", false, NULL,
 112                   N_("Use RTP over RTSP (TCP)"),
 113                   N_("Use RTP over RTSP (TCP)"), true )
 114             change_safe()
 115         add_integer( "rtp-client-port", -1, NULL,
 116                   N_("Client port"),
 117                   N_("Port to use for the RTP source of the session"), true )
 118         add_bool( "rtsp-mcast", false, NULL,
 119                   N_("Force multicast RTP via RTSP"),
 120                   N_("Force multicast RTP via RTSP"), true )
 121             change_safe()
 122         add_bool( "rtsp-http", false, NULL,
 123                   N_("Tunnel RTSP and RTP over HTTP"),
 124                   N_("Tunnel RTSP and RTP over HTTP"), true )
 125             change_safe()
 126         add_integer( "rtsp-http-port", 80, NULL,
 127                   N_("HTTP tunnel port"),
 128                   N_("Port to use for tunneling the RTSP/RTP over HTTP."),
 129                   true )
 130         add_integer("rtsp-caching", 4 * DEFAULT_PTS_DELAY / 1000, NULL,
 131                     CACHING_TEXT, CACHING_LONGTEXT, true )
 132             change_safe()
 133         add_bool(   "rtsp-kasenna", false, NULL, KASENNA_TEXT,
 134                     KASENNA_LONGTEXT, true )
 135             change_safe()
 136         add_bool(   "rtsp-wmserver", false, NULL, WMSERVER_TEXT,
 137                     WMSERVER_LONGTEXT, true)
 138             change_safe()
 139         add_string( "rtsp-user", NULL, NULL, USER_TEXT,
 140                     USER_LONGTEXT, true )
 141             change_safe()
 142         add_password( "rtsp-pwd", NULL, NULL, PASS_TEXT,
 143                       PASS_LONGTEXT, true )
 144             change_safe()
 145 vlc_module_end ()
 146
 147
 148 /*****************************************************************************
 149  * Local prototypes
 150  *****************************************************************************/
 151
 152 typedef struct
 153 {
 154     demux_t         *p_demux;
 155     MediaSubsession *sub;
 156
 157     es_format_t     fmt;
 158     es_out_id_t     *p_es;
 159
 160     bool            b_muxed;
 161     bool            b_quicktime;
 162     bool            b_asf;
 163     block_t         *p_asf_block;
 164     bool            b_discard_trunc;
 165     stream_t        *p_out_muxed;    /* for muxed stream */
 166
 167     uint8_t         *p_buffer;
 168     unsigned int    i_buffer;
 169
 170     bool            b_rtcp_sync;
 171     char            waiting;
 172     int64_t         i_pts;
 173     float           i_npt;
 174
 175 } live_track_t;
 176
 177 struct timeout_thread_t
 178 {
 179     demux_sys_t  *p_sys;
 180     vlc_thread_t handle;
 181     bool         b_handle_keep_alive;
 182 };
 183
 184 struct demux_sys_t
 185 {
 186     char            *p_sdp;    /* XXX mallocated */
 187     char            *psz_path; /* URL-encoded path */
 188     vlc_url_t       url;
 189
 190     MediaSession     *ms;
 191     TaskScheduler    *scheduler;
 192     UsageEnvironment *env ;
 193     RTSPClient       *rtsp;
 194
 195     /* */
 196     int              i_track;
 197     live_track_t     **track;   /* XXX mallocated */
 198
 199     /* Weird formats */
 200     asf_header_t     asfh;
 201     stream_t         *p_out_asf;
 202     bool             b_real;
 203
 204     /* */
 205     int64_t          i_pcr; /* The clock */
 206     float            i_npt;
 207     float            i_npt_length;
 208     float            i_npt_start;
 209
 210     /* timeout thread information */
 211     int              i_timeout;     /* session timeout value in seconds */
 212     bool             b_timeout_call;/* mark to send an RTSP call to prevent server timeout */
 213     timeout_thread_t *p_timeout;    /* the actual thread that makes sure we don't timeout */
 214
 215     /* */
 216     bool             b_force_mcast;
 217     bool             b_multicast;   /* if one of the tracks is multicasted */
 218     bool             b_no_data;     /* if we never received any data */
 219     int              i_no_data_ti;  /* consecutive number of TaskInterrupt */
 220
 221     char             event;
 222
 223     bool             b_get_param;   /* Does the server support GET_PARAMETER */
 224     bool             b_paused;      /* Are we paused? */
 225     bool             b_error;
 226
 227     float            f_seek_request;/* In case we receive a seek request while paused*/
 228 };
 229
 230 static int Demux  ( demux_t * );
 231 static int Control( demux_t *, int, va_list );
 232
 233 static int Connect      ( demux_t * );
 234 static int SessionsSetup( demux_t * );
 235 static int Play         ( demux_t *);
 236 static int ParseASF     ( demux_t * );
 237 static int RollOverTcp  ( demux_t * );
 238
 239 static void StreamRead  ( void *, unsigned int, unsigned int,
 240                           struct timeval, unsigned int );
 241 static void StreamClose ( void * );
 242 static void TaskInterrupt( void * );
 243
 244 static void* TimeoutPrevention( void * );
 245
 246 static unsigned char* parseH264ConfigStr( char const* configStr,
 247                                           unsigned int& configSize );
 248
 249 /*****************************************************************************
 250  * DemuxOpen:
 251  *****************************************************************************/
 252 static int  Open ( vlc_object_t *p_this )
 253 {
 254     demux_t     *p_demux = (demux_t*)p_this;
 255     demux_sys_t *p_sys = NULL;
 256
 257     int i_return;
 258     int i_error = VLC_EGENERIC;
 259
 260     if( p_demux->s )
 261     {
 262         /* See if it looks like a SDP
 263            v, o, s fields are mandatory and in this order */
 264         const uint8_t *p_peek;
 265         if( stream_Peek( p_demux->s, &p_peek, 7 ) < 7 ) return VLC_EGENERIC;
 266
 267         if( memcmp( p_peek, "v=0\r\n", 5 ) &&
 268             memcmp( p_peek, "v=0\n", 4 ) &&
 269             ( p_peek[0] < 'a' || p_peek[0] > 'z' || p_peek[1] != '=' ) )
 270         {
 271             return VLC_EGENERIC;
 272         }
 273     }
 274     var_Create( p_demux, "rtsp-caching", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
 275
 276     p_demux->pf_demux  = Demux;
 277     p_demux->pf_control= Control;
 278     p_demux->p_sys     = p_sys = (demux_sys_t*)malloc( sizeof( demux_sys_t ) );
 279     if( !p_sys ) return VLC_ENOMEM;
 280
 281     p_sys->p_sdp = NULL;
 282     p_sys->scheduler = NULL;
 283     p_sys->env = NULL;
 284     p_sys->ms = NULL;
 285     p_sys->rtsp = NULL;
 286     p_sys->i_track = 0;
 287     p_sys->track   = NULL;
 288     p_sys->i_pcr = 0;
 289     p_sys->i_npt = 0.;
 290     p_sys->i_npt_start = 0.;
 291     p_sys->i_npt_length = 0.;
 292     p_sys->p_out_asf = NULL;
 293     p_sys->b_no_data = true;
 294     p_sys->i_no_data_ti = 0;
 295     p_sys->p_timeout = NULL;
 296     p_sys->i_timeout = 0;
 297     p_sys->b_timeout_call = false;
 298     p_sys->b_multicast = false;
 299     p_sys->b_real = false;
 300     p_sys->psz_path = strdup( p_demux->psz_location );
 301     p_sys->b_force_mcast = var_CreateGetBool( p_demux, "rtsp-mcast" );
 302     p_sys->b_get_param = false;
 303     p_sys->b_paused = false;
 304     p_sys->f_seek_request = -1;
 305     p_sys->b_error = false;
 306
 307     /* parse URL for rtsp://[user:[passwd]@]serverip:port/options */
 308     vlc_UrlParse( &p_sys->url, p_sys->psz_path, 0 );
 309
 310     if( ( p_sys->scheduler = BasicTaskScheduler::createNew() ) == NULL )
 311     {
 312         msg_Err( p_demux, "BasicTaskScheduler::createNew failed" );
 313         goto error;
 314     }
 315     if( !( p_sys->env = BasicUsageEnvironment::createNew(*p_sys->scheduler) ) )
 316     {
 317         msg_Err( p_demux, "BasicUsageEnvironment::createNew failed" );
 318         goto error;
 319     }
 320
 321     if( strcasecmp( p_demux->psz_access, "sdp" ) )
 322     {
 323         char *p = p_sys->psz_path;
 324         while( (p = strchr( p, ' ' )) != NULL ) *p = '+';
 325     }
 326
 327     if( p_demux->s != NULL )
 328     {
 329         /* Gather the complete sdp file */
 330         int     i_sdp       = 0;
 331         int     i_sdp_max   = 1000;
 332         uint8_t *p_sdp      = (uint8_t*) malloc( i_sdp_max );
 333
 334         if( !p_sdp )
 335         {
 336             i_error = VLC_ENOMEM;
 337             goto error;
 338         }
 339
 340         for( ;; )
 341         {
 342             int i_read = stream_Read( p_demux->s, &p_sdp[i_sdp],
 343                                       i_sdp_max - i_sdp - 1 );
 344
 345             if( !vlc_object_alive (p_demux) )
 346             {
 347                 free( p_sdp );
 348                 goto error;
 349             }
 350
 351             if( i_read < 0 )
 352             {
 353                 msg_Err( p_demux, "failed to read SDP" );
 354                 free( p_sdp );
 355                 goto error;
 356             }
 357
 358             i_sdp += i_read;
 359
 360             if( i_read < i_sdp_max - i_sdp - 1 )
 361             {
 362                 p_sdp[i_sdp] = '\0';
 363                 break;
 364             }
 365
 366             i_sdp_max += 1000;
 367             p_sdp = (uint8_t*)xrealloc( p_sdp, i_sdp_max );
 368         }
 369         p_sys->p_sdp = (char*)p_sdp;
 370     }
 371     else if( ( p_demux->s == NULL ) &&
 372              !strcasecmp( p_demux->psz_access, "sdp" ) )
 373     {
 374         /* sdp:// link from SAP */
 375         p_sys->p_sdp = strdup( p_sys->psz_path );
 376     }
 377     else if( ( i_return = Connect( p_demux ) ) != VLC_SUCCESS )
 378     {
 379         msg_Err( p_demux, "Failed to connect with rtsp://%s", p_sys->psz_path );
 380         goto error;
 381     }
 382
 383     if( p_sys->p_sdp == NULL )
 384     {
 385         msg_Err( p_demux, "Failed to retrieve the RTSP Session Description" );
 386         i_error = VLC_ENOMEM;
 387         goto error;
 388     }
 389
 390     if( ( i_return = SessionsSetup( p_demux ) ) != VLC_SUCCESS )
 391     {
 392         msg_Err( p_demux, "Nothing to play for rtsp://%s", p_sys->psz_path );
 393         goto error;
 394     }
 395
 396     if( p_sys->b_real ) goto error;
 397
 398     if( ( i_return = Play( p_demux ) ) != VLC_SUCCESS )
 399         goto error;
 400
 401     if( p_sys->p_out_asf && ParseASF( p_demux ) )
 402     {
 403         msg_Err( p_demux, "cannot find a usable asf header" );
 404         /* TODO Clean tracks */
 405         goto error;
 406     }
 407
 408     if( p_sys->i_track <= 0 )
 409         goto error;
 410
 411     return VLC_SUCCESS;
 412
 413 error:
 414     Close( p_this );
 415     return i_error;
 416 }
 417
 418 /*****************************************************************************
 419  * DemuxClose:
 420  *****************************************************************************/
 421 static void Close( vlc_object_t *p_this )
 422 {
 423     demux_t *p_demux = (demux_t*)p_this;
 424     demux_sys_t *p_sys = p_demux->p_sys;
 425
 426     if( p_sys->rtsp && p_sys->ms ) p_sys->rtsp->teardownMediaSession( *p_sys->ms );
 427     if( p_sys->ms ) Medium::close( p_sys->ms );
 428     if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp );
 429     if( p_sys->env ) p_sys->env->reclaim();
 430
 431     for( int i = 0; i < p_sys->i_track; i++ )
 432     {
 433         live_track_t *tk = p_sys->track[i];
 434
 435         if( tk->b_muxed ) stream_Delete( tk->p_out_muxed );
 436         es_format_Clean( &tk->fmt );
 437         free( tk->p_buffer );
 438         free( tk );
 439     }
 440
 441     if( p_sys->i_track ) free( p_sys->track );
 442     if( p_sys->p_out_asf ) stream_Delete( p_sys->p_out_asf );
 443     if( p_sys->p_timeout )
 444     {
 445         vlc_cancel( p_sys->p_timeout->handle );
 446         vlc_join( p_sys->p_timeout->handle, NULL );
 447         free( p_sys->p_timeout );
 448     }
 449     delete p_sys->scheduler;
 450     free( p_sys->p_sdp );
 451     free( p_sys->psz_path );
 452
 453     vlc_UrlClean( &p_sys->url );
 454
 455     free( p_sys );
 456 }
 457
 458 static inline const char *strempty( const char *s ) { return s?s:""; }
 459 static inline Boolean toBool( bool b ) { return b?True:False; } // silly, no?
 460
 461 /*****************************************************************************
 462  * Connect: connects to the RTSP server to setup the session DESCRIBE
 463  *****************************************************************************/
 464 static int Connect( demux_t *p_demux )
 465 {
 466     demux_sys_t *p_sys = p_demux->p_sys;
 467     Authenticator authenticator;
 468     char *psz_user    = NULL;
 469     char *psz_pwd     = NULL;
 470     char *psz_url     = NULL;
 471     char *psz_options = NULL;
 472     char *p_sdp       = NULL;
 473     int  i_http_port  = 0;
 474     int  i_ret        = VLC_SUCCESS;
 475
 476     /* Get the user name and password */
 477     if( p_sys->url.psz_username || p_sys->url.psz_password )
 478     {
 479         /* Create the URL by stripping away the username/password part */
 480         if( p_sys->url.i_port == 0 )
 481             p_sys->url.i_port = 554;
 482         if( asprintf( &psz_url, "rtsp://%s:%d%s",
 483                       strempty( p_sys->url.psz_host ),
 484                       p_sys->url.i_port,
 485                       strempty( p_sys->url.psz_path ) ) == -1 )
 486             return VLC_ENOMEM;
 487
 488         psz_user = strdup( strempty( p_sys->url.psz_username ) );
 489         psz_pwd  = strdup( strempty( p_sys->url.psz_password ) );
 490     }
 491     else
 492     {
 493         if( asprintf( &psz_url, "rtsp://%s", p_sys->psz_path ) == -1 )
 494             return VLC_ENOMEM;
 495
 496         psz_user = var_CreateGetString( p_demux, "rtsp-user" );
 497         psz_pwd  = var_CreateGetString( p_demux, "rtsp-pwd" );
 498     }
 499
 500 createnew:
 501     if( !vlc_object_alive (p_demux) )
 502     {
 503         i_ret = VLC_EGENERIC;
 504         goto bailout;
 505     }
 506
 507     if( var_CreateGetBool( p_demux, "rtsp-http" ) )
 508         i_http_port = var_CreateGetInteger( p_demux, "rtsp-http-port" );
 509
 510     if( ( p_sys->rtsp = RTSPClient::createNew( *p_sys->env,
 511           var_CreateGetInteger( p_demux, "verbose" ) > 1,
 512           "LibVLC/"VERSION, i_http_port ) ) == NULL )
 513     {
 514         msg_Err( p_demux, "RTSPClient::createNew failed (%s)",
 515                  p_sys->env->getResultMsg() );
 516         i_ret = VLC_EGENERIC;
 517         goto bailout;
 518     }
 519
 520     /* Kasenna enables KeepAlive by analysing the User-Agent string.
 521      * Appending _KA to the string should be enough to enable this feature,
 522      * however, there is a bug where the _KA doesn't get parsed from the
 523      * default User-Agent as created by VLC/Live555 code. This is probably due
 524      * to spaces in the string or the string being too long. Here we override
 525      * the default string with a more compact version.
 526      */
 527     if( var_CreateGetBool( p_demux, "rtsp-kasenna" ))
 528     {
 529         p_sys->rtsp->setUserAgentString( "VLC_MEDIA_PLAYER_KA" );
 530     }
 531
 532 describe:
 533     authenticator.setUsernameAndPassword( psz_user, psz_pwd );
 534
 535     /* */
 536     { /* i_timeout hack scope */
 537 #if LIVEMEDIA_LIBRARY_VERSION_INT >= 1223337600
 538     const int i_timeout = var_CreateGetInteger(p_demux, "ipv4-timeout") / 1000;
 539     psz_options = p_sys->rtsp->sendOptionsCmd( psz_url, psz_user, psz_pwd,
 540                                                &authenticator, i_timeout );
 541 #else
 542     psz_options = p_sys->rtsp->sendOptionsCmd( psz_url, psz_user, psz_pwd,
 543                                                &authenticator );
 544 #endif
 545     if( psz_options == NULL && authenticator.realm() != NULL )
 546     {
 547         // try again, with the realm set this time
 548 #if LIVEMEDIA_LIBRARY_VERSION_INT >= 1223337600
 549         psz_options = p_sys->rtsp->sendOptionsCmd( psz_url, psz_user, psz_pwd,
 550                                                &authenticator, i_timeout );
 551 #else
 552         psz_options = p_sys->rtsp->sendOptionsCmd( psz_url, psz_user, psz_pwd,
 553                                                &authenticator );
 554 #endif
 555     }
 556     if( psz_options )
 557         p_sys->b_get_param = (bool)strstr( psz_options, "GET_PARAMETER" );
 558     delete [] psz_options;
 559
 560     if( var_CreateGetBool( p_demux, "rtsp-wmserver" ) )
 561        p_sys->b_get_param = true;
 562
 563 #if LIVEMEDIA_LIBRARY_VERSION_INT >= 1223337600
 564     p_sdp = p_sys->rtsp->describeWithPassword( psz_url, psz_user, psz_pwd,
 565                           var_GetBool( p_demux, "rtsp-kasenna" ), i_timeout );
 566 #else
 567     p_sdp = p_sys->rtsp->describeWithPassword( psz_url, psz_user, psz_pwd,
 568                                      var_GetBool( p_demux, "rtsp-kasenna" ) );
 569 #endif
 570     } /* i_timeout scope end */
 571
 572     if( p_sdp == NULL )
 573     {
 574         /* failure occurred */
 575         int i_code = 0;
 576         const char *psz_error = p_sys->env->getResultMsg();
 577
 578         if( var_GetBool( p_demux, "rtsp-http" ) )
 579             sscanf( psz_error, "%*s %*s HTTP GET %*s HTTP/%*u.%*u %3u %*s",
 580                     &i_code );
 581         else
 582         {
 583             const char *psz_tmp = strstr( psz_error, "RTSP" );
 584             if( psz_tmp )
 585                 sscanf( psz_tmp, "RTSP/%*s%3u", &i_code );
 586             else
 587                 i_code = 0;
 588         }
 589         msg_Dbg( p_demux, "DESCRIBE failed with %d: %s", i_code, psz_error );
 590
 591         if( i_code == 401 )
 592         {
 593             msg_Dbg( p_demux, "authentication failed" );
 594
 595             free( psz_user );
 596             free( psz_pwd );
 597             dialog_Login( p_demux, &psz_user, &psz_pwd,
 598                           _("RTSP authentication"), "%s",
 599                         _("Please enter a valid login name and a password.") );
 600             if( psz_user != NULL && psz_pwd != NULL )
 601             {
 602                 msg_Dbg( p_demux, "retrying with user=%s", psz_user );
 603                 goto describe;
 604             }
 605         }
 606         else if( (i_code != 0) && !var_GetBool( p_demux, "rtsp-http" ) )
 607         {
 608             /* Perhaps a firewall is being annoying. Try HTTP tunneling mode */
 609             msg_Dbg( p_demux, "we will now try HTTP tunneling mode" );
 610             var_SetBool( p_demux, "rtsp-http", true );
 611             if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp );
 612             p_sys->rtsp = NULL;
 613             goto createnew;
 614         }
 615         else
 616         {
 617             msg_Dbg( p_demux, "connection timeout" );
 618             if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp );
 619             p_sys->rtsp = NULL;
 620         }
 621         i_ret = VLC_EGENERIC;
 622     }
 623
 624     free( p_sys->p_sdp );
 625     p_sys->p_sdp = NULL;
 626     if( p_sdp ) p_sys->p_sdp = strdup( (char*)p_sdp );
 627     delete[] p_sdp;
 628
 629 bailout:
 630     /* malloc-ated copy */
 631     free( psz_url );
 632     free( psz_user );
 633     free( psz_pwd );
 634
 635     return i_ret;
 636 }
 637
 638 /*****************************************************************************
 639  * SessionsSetup: prepares the subsessions and does the SETUP
 640  *****************************************************************************/
 641 static int SessionsSetup( demux_t *p_demux )
 642 {
 643     demux_sys_t             *p_sys  = p_demux->p_sys;
 644     MediaSubsessionIterator *iter   = NULL;
 645     MediaSubsession         *sub    = NULL;
 646
 647     bool           b_rtsp_tcp = false;
 648     int            i_client_port;
 649     int            i_return = VLC_SUCCESS;
 650     unsigned int   i_buffer = 0;
 651     unsigned const thresh = 200000; /* RTP reorder threshold .2 second (default .1) */
 652
 653     b_rtsp_tcp    = var_CreateGetBool( p_demux, "rtsp-tcp" ) ||
 654                     var_GetBool( p_demux, "rtsp-http" );
 655     i_client_port = var_CreateGetInteger( p_demux, "rtp-client-port" );
 656
 657     /* Create the session from the SDP */
 658     if( !( p_sys->ms = MediaSession::createNew( *p_sys->env, p_sys->p_sdp ) ) )
 659     {
 660         msg_Err( p_demux, "Could not create the RTSP Session: %s",
 661             p_sys->env->getResultMsg() );
 662         return VLC_EGENERIC;
 663     }
 664
 665     /* Initialise each media subsession */
 666     iter = new MediaSubsessionIterator( *p_sys->ms );
 667     while( ( sub = iter->next() ) != NULL )
 668     {
 669         Boolean bInit;
 670         live_track_t *tk;
 671
 672         if( !vlc_object_alive (p_demux) )
 673         {
 674             delete iter;
 675             return VLC_EGENERIC;
 676         }
 677
 678         /* Value taken from mplayer */
 679         if( !strcmp( sub->mediumName(), "audio" ) )
 680             i_buffer = 100000;
 681         else if( !strcmp( sub->mediumName(), "video" ) )
 682             i_buffer = 2000000;
 683         else if( !strcmp( sub->mediumName(), "text" ) )
 684             ;
 685         else continue;
 686
 687         if( i_client_port != -1 )
 688         {
 689             sub->setClientPortNum( i_client_port );
 690             i_client_port += 2;
 691         }
 692
 693         if( strcasestr( sub->codecName(), "REAL" ) )
 694         {
 695             msg_Info( p_demux, "real codec detected, using real-RTSP instead" );
 696             p_sys->b_real = true; /* This is a problem, we'll handle it later */
 697             continue;
 698         }
 699
 700         if( !strcmp( sub->codecName(), "X-ASF-PF" ) )
 701             bInit = sub->initiate( 0 );
 702         else
 703             bInit = sub->initiate();
 704
 705         if( !bInit )
 706         {
 707             msg_Warn( p_demux, "RTP subsession '%s/%s' failed (%s)",
 708                       sub->mediumName(), sub->codecName(),
 709                       p_sys->env->getResultMsg() );
 710         }
 711         else
 712         {
 713             if( sub->rtpSource() != NULL )
 714             {
 715                 int fd = sub->rtpSource()->RTPgs()->socketNum();
 716
 717                 /* Increase the buffer size */
 718                 if( i_buffer > 0 )
 719                     increaseReceiveBufferTo( *p_sys->env, fd, i_buffer );
 720
 721                 /* Increase the RTP reorder timebuffer just a bit */
 722                 sub->rtpSource()->setPacketReorderingThresholdTime(thresh);
 723             }
 724             msg_Dbg( p_demux, "RTP subsession '%s/%s'", sub->mediumName(),
 725                      sub->codecName() );
 726
 727             /* Issue the SETUP */
 728             if( p_sys->rtsp )
 729             {
 730                 if( !p_sys->rtsp->setupMediaSubsession( *sub, False,
 731                                                         toBool( b_rtsp_tcp ),
 732                              toBool( p_sys->b_force_mcast && !b_rtsp_tcp ) ) )
 733                 {
 734                     /* if we get an unsupported transport error, toggle TCP
 735                      * use and try again */
 736                     if( !strstr(p_sys->env->getResultMsg(),
 737                                 "461 Unsupported Transport")
 738                         || !p_sys->rtsp->setupMediaSubsession( *sub, False,
 739                                                toBool( b_rtsp_tcp ), False ) )
 740                     {
 741                         msg_Err( p_demux, "SETUP of'%s/%s' failed %s",
 742                                  sub->mediumName(), sub->codecName(),
 743                                  p_sys->env->getResultMsg() );
 744                         continue;
 745                     }
 746                 }
 747             }
 748
 749             /* Check if we will receive data from this subsession for
 750              * this track */
 751             if( sub->readSource() == NULL ) continue;
 752             if( !p_sys->b_multicast )
 753             {
 754                 /* We need different rollover behaviour for multicast */
 755                 p_sys->b_multicast = IsMulticastAddress( sub->connectionEndpointAddress() );
 756             }
 757
 758             tk = (live_track_t*)malloc( sizeof( live_track_t ) );
 759             if( !tk )
 760             {
 761                 delete iter;
 762                 return VLC_ENOMEM;
 763             }
 764             tk->p_demux     = p_demux;
 765             tk->sub         = sub;
 766             tk->p_es        = NULL;
 767             tk->b_quicktime = false;
 768             tk->b_asf       = false;
 769             tk->p_asf_block = NULL;
 770             tk->b_muxed     = false;
 771             tk->b_discard_trunc = false;
 772             tk->p_out_muxed = NULL;
 773             tk->waiting     = 0;
 774             tk->b_rtcp_sync = false;
 775             tk->i_pts       = VLC_TS_INVALID;
 776             tk->i_npt       = 0.;
 777             tk->i_buffer    = 65536;
 778             tk->p_buffer    = (uint8_t *)malloc( 65536 );
 779             if( !tk->p_buffer )
 780             {
 781                 free( tk );
 782                 delete iter;
 783                 return VLC_ENOMEM;
 784             }
 785
 786             /* Value taken from mplayer */
 787             if( !strcmp( sub->mediumName(), "audio" ) )
 788             {
 789                 es_format_Init( &tk->fmt, AUDIO_ES, VLC_FOURCC('u','n','d','f') );
 790                 tk->fmt.audio.i_channels = sub->numChannels();
 791                 tk->fmt.audio.i_rate = sub->rtpTimestampFrequency();
 792
 793                 if( !strcmp( sub->codecName(), "MPA" ) ||
 794                     !strcmp( sub->codecName(), "MPA-ROBUST" ) ||
 795                     !strcmp( sub->codecName(), "X-MP3-DRAFT-00" ) )
 796                 {
 797                     tk->fmt.i_codec = VLC_CODEC_MPGA;
 798                     tk->fmt.audio.i_rate = 0;
 799                 }
 800                 else if( !strcmp( sub->codecName(), "AC3" ) )
 801                 {
 802                     tk->fmt.i_codec = VLC_CODEC_A52;
 803                     tk->fmt.audio.i_rate = 0;
 804                 }
 805                 else if( !strcmp( sub->codecName(), "L16" ) )
 806                 {
 807                     tk->fmt.i_codec = VLC_FOURCC( 't', 'w', 'o', 's' );
 808                     tk->fmt.audio.i_bitspersample = 16;
 809                 }
 810                 else if( !strcmp( sub->codecName(), "L8" ) )
 811                 {
 812                     tk->fmt.i_codec = VLC_FOURCC( 'a', 'r', 'a', 'w' );
 813                     tk->fmt.audio.i_bitspersample = 8;
 814                 }
 815                 else if( !strcmp( sub->codecName(), "PCMU" ) )
 816                 {
 817                     tk->fmt.i_codec = VLC_CODEC_MULAW;
 818                 }
 819                 else if( !strcmp( sub->codecName(), "PCMA" ) )
 820                 {
 821                     tk->fmt.i_codec = VLC_CODEC_ALAW;
 822                 }
 823                 else if( !strncmp( sub->codecName(), "G726", 4 ) )
 824                 {
 825                     tk->fmt.i_codec = VLC_CODEC_ADPCM_G726;
 826                     tk->fmt.audio.i_rate = 8000;
 827                     tk->fmt.audio.i_channels = 1;
 828                     if( !strcmp( sub->codecName()+5, "40" ) )
 829                         tk->fmt.i_bitrate = 40000;
 830                     else if( !strcmp( sub->codecName()+5, "32" ) )
 831                         tk->fmt.i_bitrate = 32000;
 832                     else if( !strcmp( sub->codecName()+5, "24" ) )
 833                         tk->fmt.i_bitrate = 24000;
 834                     else if( !strcmp( sub->codecName()+5, "16" ) )
 835                         tk->fmt.i_bitrate = 16000;
 836                 }
 837                 else if( !strcmp( sub->codecName(), "AMR" ) )
 838                 {
 839                     tk->fmt.i_codec = VLC_CODEC_AMR_NB;
 840                 }
 841                 else if( !strcmp( sub->codecName(), "AMR-WB" ) )
 842                 {
 843                     tk->fmt.i_codec = VLC_CODEC_AMR_WB;
 844                 }
 845                 else if( !strcmp( sub->codecName(), "MP4A-LATM" ) )
 846                 {
 847                     unsigned int i_extra;
 848                     uint8_t      *p_extra;
 849
 850                     tk->fmt.i_codec = VLC_CODEC_MP4A;
 851
 852                     if( ( p_extra = parseStreamMuxConfigStr( sub->fmtp_config(),
 853                                                              i_extra ) ) )
 854                     {
 855                         tk->fmt.i_extra = i_extra;
 856                         tk->fmt.p_extra = xmalloc( i_extra );
 857                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
 858                         delete[] p_extra;
 859                     }
 860                     /* Because the "faad" decoder does not handle the LATM
 861                      * data length field at the start of each returned LATM
 862                      * frame, tell the RTP source to omit it. */
 863                     ((MPEG4LATMAudioRTPSource*)sub->rtpSource())->omitLATMDataLengthField();
 864                 }
 865                 else if( !strcmp( sub->codecName(), "MPEG4-GENERIC" ) )
 866                 {
 867                     unsigned int i_extra;
 868                     uint8_t      *p_extra;
 869
 870                     tk->fmt.i_codec = VLC_CODEC_MP4A;
 871
 872                     if( ( p_extra = parseGeneralConfigStr( sub->fmtp_config(),
 873                                                            i_extra ) ) )
 874                     {
 875                         tk->fmt.i_extra = i_extra;
 876                         tk->fmt.p_extra = xmalloc( i_extra );
 877                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
 878                         delete[] p_extra;
 879                     }
 880                 }
 881                 else if( !strcmp( sub->codecName(), "X-ASF-PF" ) )
 882                 {
 883                     tk->b_asf = true;
 884                     if( p_sys->p_out_asf == NULL )
 885                         p_sys->p_out_asf = stream_DemuxNew( p_demux, "asf",
 886                                                             p_demux->out );
 887                 }
 888                 else if( !strcmp( sub->codecName(), "X-QT" ) ||
 889                          !strcmp( sub->codecName(), "X-QUICKTIME" ) )
 890                 {
 891                     tk->b_quicktime = true;
 892                 }
 893                 else if( !strcmp( sub->codecName(), "SPEEX" ) )
 894                 {
 895                     tk->fmt.i_codec = VLC_FOURCC( 's', 'p', 'x', 'r' );
 896                     if ( sub->rtpTimestampFrequency() )
 897                         tk->fmt.audio.i_rate = sub->rtpTimestampFrequency();
 898                     else
 899                     {
 900                         msg_Warn( p_demux,"Using 8kHz as default sample rate." );
 901                         tk->fmt.audio.i_rate = 8000;
 902                     }
 903                 }
 904             }
 905             else if( !strcmp( sub->mediumName(), "video" ) )
 906             {
 907                 es_format_Init( &tk->fmt, VIDEO_ES, VLC_FOURCC('u','n','d','f') );
 908                 if( !strcmp( sub->codecName(), "MPV" ) )
 909                 {
 910                     tk->fmt.i_codec = VLC_CODEC_MPGV;
 911                     tk->fmt.b_packetized = false;
 912                 }
 913                 else if( !strcmp( sub->codecName(), "H263" ) ||
 914                          !strcmp( sub->codecName(), "H263-1998" ) ||
 915                          !strcmp( sub->codecName(), "H263-2000" ) )
 916                 {
 917                     tk->fmt.i_codec = VLC_CODEC_H263;
 918                 }
 919                 else if( !strcmp( sub->codecName(), "H261" ) )
 920                 {
 921                     tk->fmt.i_codec = VLC_CODEC_H261;
 922                 }
 923                 else if( !strcmp( sub->codecName(), "H264" ) )
 924                 {
 925                     unsigned int i_extra = 0;
 926                     uint8_t      *p_extra = NULL;
 927
 928                     tk->fmt.i_codec = VLC_CODEC_H264;
 929                     tk->fmt.b_packetized = false;
 930
 931                     if((p_extra=parseH264ConfigStr( sub->fmtp_spropparametersets(),
 932                                                     i_extra ) ) )
 933                     {
 934                         tk->fmt.i_extra = i_extra;
 935                         tk->fmt.p_extra = xmalloc( i_extra );
 936                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
 937
 938                         delete[] p_extra;
 939                     }
 940                 }
 941                 else if( !strcmp( sub->codecName(), "JPEG" ) )
 942                 {
 943                     tk->fmt.i_codec = VLC_CODEC_MJPG;
 944                 }
 945                 else if( !strcmp( sub->codecName(), "MP4V-ES" ) )
 946                 {
 947                     unsigned int i_extra;
 948                     uint8_t      *p_extra;
 949
 950                     tk->fmt.i_codec = VLC_CODEC_MP4V;
 951
 952                     if( ( p_extra = parseGeneralConfigStr( sub->fmtp_config(),
 953                                                            i_extra ) ) )
 954                     {
 955                         tk->fmt.i_extra = i_extra;
 956                         tk->fmt.p_extra = xmalloc( i_extra );
 957                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
 958                         delete[] p_extra;
 959                     }
 960                 }
 961                 else if( !strcmp( sub->codecName(), "X-QT" ) ||
 962                          !strcmp( sub->codecName(), "X-QUICKTIME" ) ||
 963                          !strcmp( sub->codecName(), "X-QDM" ) ||
 964                          !strcmp( sub->codecName(), "X-SV3V-ES" )  ||
 965                          !strcmp( sub->codecName(), "X-SORENSONVIDEO" ) )
 966                 {
 967                     tk->b_quicktime = true;
 968                 }
 969                 else if( !strcmp( sub->codecName(), "MP2T" ) )
 970                 {
 971                     tk->b_muxed = true;
 972                     tk->p_out_muxed = stream_DemuxNew( p_demux, "ts", p_demux->out );
 973                 }
 974                 else if( !strcmp( sub->codecName(), "MP2P" ) ||
 975                          !strcmp( sub->codecName(), "MP1S" ) )
 976                 {
 977                     tk->b_muxed = true;
 978                     tk->p_out_muxed = stream_DemuxNew( p_demux, "ps",
 979                                                        p_demux->out );
 980                 }
 981                 else if( !strcmp( sub->codecName(), "X-ASF-PF" ) )
 982                 {
 983                     tk->b_asf = true;
 984                     if( p_sys->p_out_asf == NULL )
 985                         p_sys->p_out_asf = stream_DemuxNew( p_demux, "asf",
 986                                                             p_demux->out );;
 987                 }
 988                 else if( !strcmp( sub->codecName(), "DV" ) )
 989                 {
 990                     tk->b_muxed = true;
 991                     tk->b_discard_trunc = true;
 992                     tk->p_out_muxed = stream_DemuxNew( p_demux, "rawdv",
 993                                                        p_demux->out );
 994                 }
 995             }
 996             else if( !strcmp( sub->mediumName(), "text" ) )
 997             {
 998                 es_format_Init( &tk->fmt, SPU_ES, VLC_FOURCC('u','n','d','f') );
 999
1000                 if( !strcmp( sub->codecName(), "T140" ) )
1001                 {
1002                     tk->fmt.i_codec = VLC_CODEC_ITU_T140;
1003                 }
1004             }
1005
1006             if( !tk->b_quicktime && !tk->b_muxed && !tk->b_asf )
1007             {
1008                 tk->p_es = es_out_Add( p_demux->out, &tk->fmt );
1009             }
1010
1011             if( sub->rtcpInstance() != NULL )
1012             {
1013                 sub->rtcpInstance()->setByeHandler( StreamClose, tk );
1014             }
1015
1016             if( tk->p_es || tk->b_quicktime || tk->b_muxed || tk->b_asf )
1017             {
1018                 /* Append */
1019                 p_sys->track = (live_track_t**)xrealloc( p_sys->track,
1020                             sizeof( live_track_t ) * ( p_sys->i_track + 1 ) );
1021                 p_sys->track[p_sys->i_track++] = tk;
1022             }
1023             else
1024             {
1025                 /* BUG ??? */
1026                 msg_Err( p_demux, "unusable RTSP track. this should not happen" );
1027                 es_format_Clean( &tk->fmt );
1028                 free( tk );
1029             }
1030         }
1031     }
1032     delete iter;
1033     if( p_sys->i_track <= 0 ) i_return = VLC_EGENERIC;
1034
1035     /* Retrieve the starttime if possible */
1036     p_sys->i_npt_start = p_sys->ms->playStartTime();
1037
1038     /* Retrieve the duration if possible */
1039     p_sys->i_npt_length = p_sys->ms->playEndTime();
1040
1041     /* */
1042     msg_Dbg( p_demux, "setup start: %f stop:%f", p_sys->i_npt_start, p_sys->i_npt_length );
1043
1044     /* */
1045     p_sys->b_no_data = true;
1046     p_sys->i_no_data_ti = 0;
1047
1048     return i_return;
1049 }
1050
1051 /*****************************************************************************
1052  * Play: starts the actual playback of the stream
1053  *****************************************************************************/
1054 static int Play( demux_t *p_demux )
1055 {
1056     demux_sys_t *p_sys = p_demux->p_sys;
1057
1058     if( p_sys->rtsp )
1059     {
1060         /* The PLAY */
1061         if( !p_sys->rtsp->playMediaSession( *p_sys->ms, p_sys->i_npt_start, -1, 1 ) )
1062         {
1063             msg_Err( p_demux, "RTSP PLAY failed %s", p_sys->env->getResultMsg() );
1064             return VLC_EGENERIC;
1065         }
1066
1067         /* Retrieve the timeout value and set up a timeout prevention thread */
1068         p_sys->i_timeout = p_sys->rtsp->sessionTimeoutParameter();
1069         if( p_sys->i_timeout <= 0 )
1070             p_sys->i_timeout = 60; /* default value from RFC2326 */
1071
1072         /* start timeout-thread only if GET_PARAMETER is supported by the server */
1073         if( !p_sys->p_timeout && p_sys->b_get_param )
1074         {
1075             msg_Dbg( p_demux, "We have a timeout of %d seconds",  p_sys->i_timeout );
1076             p_sys->p_timeout = (timeout_thread_t *)malloc( sizeof(timeout_thread_t) );
1077             if( p_sys->p_timeout )
1078             {
1079                 memset( p_sys->p_timeout, 0, sizeof(timeout_thread_t) );
1080                 p_sys->p_timeout->p_sys = p_demux->p_sys; /* lol, object recursion :D */
1081                 if( vlc_clone( &p_sys->p_timeout->handle,  TimeoutPrevention,
1082                                p_sys->p_timeout, VLC_THREAD_PRIORITY_LOW ) )
1083                 {
1084                     msg_Err( p_demux, "cannot spawn liveMedia timeout thread" );
1085                     free( p_sys->p_timeout );
1086                     p_sys->p_timeout = NULL;
1087                 }
1088                 else
1089                     msg_Dbg( p_demux, "spawned timeout thread" );
1090             }
1091             else
1092                 msg_Err( p_demux, "cannot spawn liveMedia timeout thread" );
1093         }
1094     }
1095     p_sys->i_pcr = 0;
1096
1097     /* Retrieve the starttime if possible */
1098     p_sys->i_npt_start = p_sys->ms->playStartTime();
1099     if( p_sys->ms->playEndTime() > 0 )
1100         p_sys->i_npt_length = p_sys->ms->playEndTime();
1101
1102     msg_Dbg( p_demux, "play start: %f stop:%f", p_sys->i_npt_start, p_sys->i_npt_length );
1103     return VLC_SUCCESS;
1104 }
1105
1106
1107 /*****************************************************************************
1108  * Demux:
1109  *****************************************************************************/
1110 static int Demux( demux_t *p_demux )
1111 {
1112     demux_sys_t    *p_sys = p_demux->p_sys;
1113     TaskToken      task;
1114
1115     bool            b_send_pcr = true;
1116     int64_t         i_pcr = 0;
1117     int             i;
1118
1119     /* Check if we need to send the server a Keep-A-Live signal */
1120     if( p_sys->b_timeout_call && p_sys->rtsp && p_sys->ms )
1121     {
1122         char *psz_bye = NULL;
1123         p_sys->rtsp->getMediaSessionParameter( *p_sys->ms, NULL, psz_bye );
1124         p_sys->b_timeout_call = false;
1125     }
1126
1127     for( i = 0; i < p_sys->i_track; i++ )
1128     {
1129         live_track_t *tk = p_sys->track[i];
1130
1131         if( tk->b_asf || tk->b_muxed )
1132             b_send_pcr = false;
1133 #if 0
1134         if( i_pcr == 0 )
1135         {
1136             i_pcr = tk->i_pts;
1137         }
1138         else if( tk->i_pts != 0 && i_pcr > tk->i_pts )
1139         {
1140             i_pcr = tk->i_pts ;
1141         }
1142 #endif
1143     }
1144     if( p_sys->i_pcr > 0 )
1145     {
1146         if( b_send_pcr )
1147             es_out_Control( p_demux->out, ES_OUT_SET_PCR, 1 + p_sys->i_pcr );
1148     }
1149
1150     /* First warn we want to read data */
1151     p_sys->event = 0;
1152     for( i = 0; i < p_sys->i_track; i++ )
1153     {
1154         live_track_t *tk = p_sys->track[i];
1155
1156         if( tk->waiting == 0 )
1157         {
1158             tk->waiting = 1;
1159             tk->sub->readSource()->getNextFrame( tk->p_buffer, tk->i_buffer,
1160                                           StreamRead, tk, StreamClose, tk );
1161         }
1162     }
1163     /* Create a task that will be called if we wait more than 300ms */
1164     task = p_sys->scheduler->scheduleDelayedTask( 300000, TaskInterrupt, p_demux );
1165
1166     /* Do the read */
1167     p_sys->scheduler->doEventLoop( &p_sys->event );
1168
1169     /* remove the task */
1170     p_sys->scheduler->unscheduleDelayedTask( task );
1171
1172     /* Check for gap in pts value */
1173     for( i = 0; i < p_sys->i_track; i++ )
1174     {
1175         live_track_t *tk = p_sys->track[i];
1176
1177         if( !tk->b_muxed && !tk->b_rtcp_sync &&
1178             tk->sub->rtpSource() && tk->sub->rtpSource()->hasBeenSynchronizedUsingRTCP() )
1179         {
1180             msg_Dbg( p_demux, "tk->rtpSource->hasBeenSynchronizedUsingRTCP()" );
1181
1182             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
1183             tk->b_rtcp_sync = true;
1184             /* reset PCR */
1185             tk->i_pts = VLC_TS_INVALID;
1186             tk->i_npt = 0.;
1187             p_sys->i_pcr = 0;
1188             p_sys->i_npt = 0.;
1189             i_pcr = 0;
1190         }
1191     }
1192
1193     if( p_sys->b_multicast && p_sys->b_no_data &&
1194         ( p_sys->i_no_data_ti > 120 ) )
1195     {
1196         /* FIXME Make this configurable
1197         msg_Err( p_demux, "no multicast data received in 36s, aborting" );
1198         return 0;
1199         */
1200     }
1201     else if( !p_sys->b_multicast && !p_sys->b_paused &&
1202               p_sys->b_no_data && ( p_sys->i_no_data_ti > 34 ) )
1203     {
1204         bool b_rtsp_tcp = var_GetBool( p_demux, "rtsp-tcp" ) ||
1205                                 var_GetBool( p_demux, "rtsp-http" );
1206
1207         if( !b_rtsp_tcp && p_sys->rtsp && p_sys->ms )
1208         {
1209             msg_Warn( p_demux, "no data received in 10s. Switching to TCP" );
1210             if( RollOverTcp( p_demux ) )
1211             {
1212                 msg_Err( p_demux, "TCP rollover failed, aborting" );
1213                 return 0;
1214             }
1215             return 1;
1216         }
1217         msg_Err( p_demux, "no data received in 10s, aborting" );
1218         return 0;
1219     }
1220     else if( !p_sys->b_multicast && !p_sys->b_paused &&
1221              ( p_sys->i_no_data_ti > 34 ) )
1222     {
1223         /* EOF ? */
1224         msg_Warn( p_demux, "no data received in 10s, eof ?" );
1225         return 0;
1226     }
1227     return p_sys->b_error ? 0 : 1;
1228 }
1229
1230 /*****************************************************************************
1231  * Control:
1232  *****************************************************************************/
1233 static int Control( demux_t *p_demux, int i_query, va_list args )
1234 {
1235     demux_sys_t *p_sys = p_demux->p_sys;
1236     int64_t *pi64, i64;
1237     double  *pf, f;
1238     bool *pb, *pb2;
1239     int *pi_int;
1240
1241     switch( i_query )
1242     {
1243         case DEMUX_GET_TIME:
1244             pi64 = (int64_t*)va_arg( args, int64_t * );
1245             if( p_sys->i_npt > 0 )
1246             {
1247                 *pi64 = (int64_t)(p_sys->i_npt * 1000000.);
1248                 return VLC_SUCCESS;
1249             }
1250             return VLC_EGENERIC;
1251
1252         case DEMUX_GET_LENGTH:
1253             pi64 = (int64_t*)va_arg( args, int64_t * );
1254             if( p_sys->i_npt_length > 0 )
1255             {
1256                 *pi64 = (int64_t)((double)p_sys->i_npt_length * 1000000.0);
1257                 return VLC_SUCCESS;
1258             }
1259             return VLC_EGENERIC;
1260
1261         case DEMUX_GET_POSITION:
1262             pf = (double*)va_arg( args, double* );
1263             if( (p_sys->i_npt_length > 0) && (p_sys->i_npt > 0) )
1264             {
1265                 *pf = ( (double)p_sys->i_npt / (double)p_sys->i_npt_length );
1266                 return VLC_SUCCESS;
1267             }
1268             return VLC_EGENERIC;
1269
1270         case DEMUX_SET_POSITION:
1271         case DEMUX_SET_TIME:
1272             if( p_sys->rtsp && (p_sys->i_npt_length > 0) )
1273             {
1274                 int i;
1275                 float time;
1276
1277                 if( (i_query == DEMUX_SET_TIME) && (p_sys->i_npt > 0) )
1278                 {
1279                     i64 = (int64_t)va_arg( args, int64_t );
1280                     time = (float)((double)i64 / (double)1000000.0); /* in second */
1281                 }
1282                 else if( i_query == DEMUX_SET_TIME )
1283                     return VLC_EGENERIC;
1284                 else
1285                 {
1286                     f = (double)va_arg( args, double );
1287                     time = f * (double)p_sys->i_npt_length;   /* in second */
1288                 }
1289
1290                 if( p_sys->b_paused )
1291                 {
1292                     p_sys->f_seek_request = time;
1293                     return VLC_SUCCESS;
1294                 }
1295
1296                 if( !p_sys->rtsp->pauseMediaSession( *p_sys->ms ) )
1297                 {
1298                     msg_Err( p_demux, "PAUSE before seek failed %s",
1299                         p_sys->env->getResultMsg() );
1300                     return VLC_EGENERIC;
1301                 }
1302                 if( !p_sys->rtsp->playMediaSession( *p_sys->ms, time, -1, 1 ) )
1303                 {
1304                     msg_Err( p_demux, "seek PLAY failed %s",
1305                         p_sys->env->getResultMsg() );
1306                     return VLC_EGENERIC;
1307                 }
1308                 p_sys->i_pcr = 0;
1309
1310                 /* Retrieve RTP-Info values */
1311                 for( i = 0; i < p_sys->i_track; i++ )
1312                 {
1313                     p_sys->track[i]->b_rtcp_sync = false;
1314                     p_sys->track[i]->i_pts = VLC_TS_INVALID;
1315                 }
1316
1317                 /* Retrieve the starttime if possible */
1318                 p_sys->i_npt = p_sys->i_npt_start = p_sys->ms->playStartTime();
1319
1320                 /* Retrieve the duration if possible */
1321                 if( p_sys->ms->playEndTime() > 0 )
1322                     p_sys->i_npt_length = p_sys->ms->playEndTime();
1323
1324                 msg_Dbg( p_demux, "seek start: %f stop:%f", p_sys->i_npt_start, p_sys->i_npt_length );
1325                 return VLC_SUCCESS;
1326             }
1327             return VLC_EGENERIC;
1328
1329         /* Special for access_demux */
1330         case DEMUX_CAN_PAUSE:
1331         case DEMUX_CAN_SEEK:
1332             pb = (bool*)va_arg( args, bool * );
1333             if( p_sys->rtsp && p_sys->i_npt_length > 0 )
1334                 /* Not always true, but will be handled in SET_PAUSE_STATE */
1335                 *pb = true;
1336             else
1337                 *pb = false;
1338             return VLC_SUCCESS;
1339
1340         case DEMUX_CAN_CONTROL_PACE:
1341             pb = (bool*)va_arg( args, bool * );
1342
1343 #if 1       /* Disable for now until we have a clock synchro algo
1344              * which works with something else than MPEG over UDP */
1345             *pb = false;
1346 #else
1347             *pb = true;
1348 #endif
1349             return VLC_SUCCESS;
1350
1351         case DEMUX_CAN_CONTROL_RATE:
1352             pb = (bool*)va_arg( args, bool * );
1353             pb2 = (bool*)va_arg( args, bool * );
1354
1355             *pb = (p_sys->rtsp != NULL) &&
1356                     (p_sys->i_npt_length > 0) &&
1357                     ( !var_GetBool( p_demux, "rtsp-kasenna" ) ||
1358                       !var_GetBool( p_demux, "rtsp-wmserver" ) );
1359             *pb2 = false;
1360             return VLC_SUCCESS;
1361
1362         case DEMUX_SET_RATE:
1363         {
1364             double f_scale, f_old_scale;
1365
1366             if( !p_sys->rtsp || (p_sys->i_npt_length <= 0) ||
1367                 var_GetBool( p_demux, "rtsp-kasenna" ) ||
1368                 var_GetBool( p_demux, "rtsp-wmserver" ) )
1369                 return VLC_EGENERIC;
1370
1371             /* According to RFC 2326 p56 chapter 12.35 a RTSP server that
1372              * supports Scale:
1373              *
1374              * "[...] should try to approximate the viewing rate, but
1375              *  may restrict the range of scale values that it supports.
1376              *  The response MUST contain the actual scale value chosen
1377              *  by the server."
1378              *
1379              * Scale = 1 indicates normal play
1380              * Scale > 1 indicates fast forward
1381              * Scale < 1 && Scale > 0 indicates slow motion
1382              * Scale < 0 value indicates rewind
1383              */
1384
1385             pi_int = (int*)va_arg( args, int * );
1386             f_scale = (double)INPUT_RATE_DEFAULT / (*pi_int);
1387             f_old_scale = p_sys->ms->scale();
1388
1389             /* Passing -1 for the start and end time will mean liveMedia won't
1390              * create a Range: section for the RTSP message. The server should
1391              * pick up from the current position */
1392             if( !p_sys->rtsp->playMediaSession( *p_sys->ms, -1, -1, f_scale ) )
1393             {
1394                 msg_Err( p_demux, "PLAY with Scale %0.2f failed %s", f_scale,
1395                         p_sys->env->getResultMsg() );
1396                 return VLC_EGENERIC;
1397             }
1398
1399             if( p_sys->ms->scale() == f_old_scale )
1400             {
1401                 msg_Err( p_demux, "no scale change using old Scale %0.2f",
1402                           p_sys->ms->scale() );
1403                 return VLC_EGENERIC;
1404             }
1405
1406             /* ReSync the stream */
1407             p_sys->i_npt_start = 0;
1408             p_sys->i_pcr = 0;
1409             p_sys->i_npt = 0.0;
1410
1411             *pi_int = (int)( INPUT_RATE_DEFAULT / p_sys->ms->scale() );
1412             msg_Dbg( p_demux, "PLAY with new Scale %0.2f (%d)", p_sys->ms->scale(), (*pi_int) );
1413             return VLC_SUCCESS;
1414         }
1415
1416         case DEMUX_SET_PAUSE_STATE:
1417         {
1418             bool b_pause = (bool)va_arg( args, int );
1419             if( p_sys->rtsp == NULL )
1420                 return VLC_EGENERIC;
1421
1422             if( b_pause == p_sys->b_paused )
1423                 return VLC_SUCCESS;
1424             if( ( b_pause && !p_sys->rtsp->pauseMediaSession( *p_sys->ms ) ) ||
1425                     ( !b_pause && !p_sys->rtsp->playMediaSession( *p_sys->ms,
1426                        p_sys->f_seek_request, -1.0f, p_sys->ms->scale() ) ) )
1427             {
1428                     msg_Err( p_demux, "PLAY or PAUSE failed %s", p_sys->env->getResultMsg() );
1429                     return VLC_EGENERIC;
1430             }
1431             p_sys->f_seek_request = -1;
1432             p_sys->b_paused = b_pause;
1433
1434             /* When we Pause, we'll need the TimeoutPrevention thread to
1435              * handle sending the "Keep Alive" message to the server.
1436              * Unfortunately Live555 isn't thread safe and so can't
1437              * do this normally while the main Demux thread is handling
1438              * a live stream. We end up with the Timeout thread blocking
1439              * waiting for a response from the server. So when we PAUSE
1440              * we set a flag that the TimeoutPrevention function will check
1441              * and if it's set, it will trigger the GET_PARAMETER message */
1442             if( p_sys->b_paused && p_sys->p_timeout != NULL )
1443                 p_sys->p_timeout->b_handle_keep_alive = true;
1444             else if( !p_sys->b_paused && p_sys->p_timeout != NULL )
1445                 p_sys->p_timeout->b_handle_keep_alive = false;
1446
1447             if( !p_sys->b_paused )
1448             {
1449                 for( int i = 0; i < p_sys->i_track; i++ )
1450                 {
1451                     live_track_t *tk = p_sys->track[i];
1452                     tk->b_rtcp_sync = false;
1453                     tk->i_pts = VLC_TS_INVALID;
1454                     p_sys->i_pcr = 0;
1455                     es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
1456                 }
1457             }
1458
1459             /* Reset data received counter */
1460             p_sys->i_no_data_ti = 0;
1461
1462             /* Retrieve the starttime if possible */
1463             p_sys->i_npt_start = p_sys->ms->playStartTime();
1464
1465             /* Retrieve the duration if possible */
1466             if( p_sys->ms->playEndTime() )
1467                 p_sys->i_npt_length = p_sys->ms->playEndTime();
1468
1469             msg_Dbg( p_demux, "pause start: %f stop:%f", p_sys->i_npt_start, p_sys->i_npt_length );
1470             return VLC_SUCCESS;
1471         }
1472         case DEMUX_GET_TITLE_INFO:
1473         case DEMUX_SET_TITLE:
1474         case DEMUX_SET_SEEKPOINT:
1475             return VLC_EGENERIC;
1476
1477         case DEMUX_GET_PTS_DELAY:
1478             pi64 = (int64_t*)va_arg( args, int64_t * );
1479             *pi64 = var_GetInteger( p_demux, "rtsp-caching" ) * 1000;
1480             return VLC_SUCCESS;
1481
1482         default:
1483             return VLC_EGENERIC;
1484     }
1485 }
1486
1487 /*****************************************************************************
1488  * RollOverTcp: reopen the rtsp into TCP mode
1489  * XXX: ugly, a lot of code are duplicated from Open()
1490  * This should REALLY be fixed
1491  *****************************************************************************/
1492 static int RollOverTcp( demux_t *p_demux )
1493 {
1494     demux_sys_t *p_sys = p_demux->p_sys;
1495     int i, i_return;
1496
1497     var_SetBool( p_demux, "rtsp-tcp", true );
1498
1499     /* We close the old RTSP session */
1500     for( i = 0; i < p_sys->i_track; i++ )
1501     {
1502         live_track_t *tk = p_sys->track[i];
1503
1504         if( tk->b_muxed ) stream_Delete( tk->p_out_muxed );
1505         if( tk->p_es ) es_out_Del( p_demux->out, tk->p_es );
1506         if( tk->p_asf_block ) block_Release( tk->p_asf_block );
1507         es_format_Clean( &tk->fmt );
1508         free( tk->p_buffer );
1509         free( tk );
1510     }
1511     if( p_sys->i_track ) free( p_sys->track );
1512     if( p_sys->p_out_asf ) stream_Delete( p_sys->p_out_asf );
1513
1514     p_sys->rtsp->teardownMediaSession( *p_sys->ms );
1515     Medium::close( p_sys->ms );
1516     RTSPClient::close( p_sys->rtsp );
1517
1518     p_sys->ms = NULL;
1519     p_sys->rtsp = NULL;
1520     p_sys->track = NULL;
1521     p_sys->i_track = 0;
1522     p_sys->b_no_data = true;
1523     p_sys->i_no_data_ti = 0;
1524     p_sys->p_out_asf = NULL;
1525
1526     /* Reopen rtsp client */
1527     if( ( i_return = Connect( p_demux ) ) != VLC_SUCCESS )
1528     {
1529         msg_Err( p_demux, "Failed to connect with rtsp://%s",
1530                  p_sys->psz_path );
1531         goto error;
1532     }
1533
1534     if( p_sys->p_sdp == NULL )
1535     {
1536         msg_Err( p_demux, "Failed to retrieve the RTSP Session Description" );
1537         goto error;
1538     }
1539
1540     if( ( i_return = SessionsSetup( p_demux ) ) != VLC_SUCCESS )
1541     {
1542         msg_Err( p_demux, "Nothing to play for rtsp://%s", p_sys->psz_path );
1543         goto error;
1544     }
1545
1546     if( ( i_return = Play( p_demux ) ) != VLC_SUCCESS )
1547         goto error;
1548
1549     return VLC_SUCCESS;
1550
1551 error:
1552     return VLC_EGENERIC;
1553 }
1554
1555
1556 /*****************************************************************************
1557  *
1558  *****************************************************************************/
1559 static block_t *StreamParseAsf( demux_t *p_demux, live_track_t *tk,
1560                                 bool b_marker,
1561                                 const uint8_t *p_data, unsigned i_size )
1562 {
1563     const unsigned i_packet_size = p_demux->p_sys->asfh.i_min_data_packet_size;
1564     block_t *p_list = NULL;
1565
1566     while( i_size >= 4 )
1567     {
1568         unsigned i_flags = p_data[0];
1569         unsigned i_length_offset = (p_data[1] << 16) |
1570                                    (p_data[2] <<  8) |
1571                                    (p_data[3]      );
1572         bool b_key = i_flags & 0x80;
1573         bool b_length = i_flags & 0x40;
1574         bool b_relative_ts = i_flags & 0x20;
1575         bool b_duration = i_flags & 0x10;
1576         bool b_location_id = i_flags & 0x08;
1577
1578         //msg_Dbg( p_demux, "ASF: marker=%d size=%d : %c=%d id=%d",
1579         //         b_marker, i_size, b_length ? 'L' : 'O', i_length_offset );
1580         unsigned i_header_size = 4;
1581         if( b_relative_ts )
1582             i_header_size += 4;
1583         if( b_duration )
1584             i_header_size += 4;
1585         if( b_location_id )
1586             i_header_size += 4;
1587
1588         if( i_header_size > i_size )
1589         {
1590             msg_Warn( p_demux, "Invalid header size" );
1591             break;
1592         }
1593
1594         /* XXX
1595          * When b_length is true, the streams I found do not seems to respect
1596          * the documentation.
1597          * From them, I have failed to find which choice between '__MIN()' or
1598          * 'i_length_offset - i_header_size' is the right one.
1599          */
1600         unsigned i_payload;
1601         if( b_length )
1602             i_payload = __MIN( i_length_offset, i_size - i_header_size);
1603         else
1604             i_payload = i_size - i_header_size;
1605
1606         if( !tk->p_asf_block )
1607         {
1608             tk->p_asf_block = block_New( p_demux, i_packet_size );
1609             if( !tk->p_asf_block )
1610                 break;
1611             tk->p_asf_block->i_buffer = 0;
1612         }
1613         unsigned i_offset  = b_length ? 0 : i_length_offset;
1614         if( i_offset == tk->p_asf_block->i_buffer && i_offset + i_payload <= i_packet_size )
1615         {
1616             memcpy( &tk->p_asf_block->p_buffer[i_offset], &p_data[i_header_size], i_payload );
1617             tk->p_asf_block->i_buffer += i_payload;
1618             if( b_marker )
1619             {
1620                 /* We have a complete packet */
1621                 tk->p_asf_block->i_buffer = i_packet_size;
1622                 block_ChainAppend( &p_list, tk->p_asf_block );
1623                 tk->p_asf_block = NULL;
1624             }
1625         }
1626         else
1627         {
1628             /* Reset on broken stream */
1629             msg_Err( p_demux, "Broken packet detected (%d vs %zu or %d + %d vs %d)",
1630                      i_offset, tk->p_asf_block->i_buffer, i_offset, i_payload, i_packet_size);
1631             tk->p_asf_block->i_buffer = 0;
1632         }
1633
1634         /* */
1635         p_data += i_header_size + i_payload;
1636         i_size -= i_header_size + i_payload;
1637     }
1638     return p_list;
1639 }
1640
1641 /*****************************************************************************
1642  *
1643  *****************************************************************************/
1644 static void StreamRead( void *p_private, unsigned int i_size,
1645                         unsigned int i_truncated_bytes, struct timeval pts,
1646                         unsigned int duration )
1647 {
1648     live_track_t   *tk = (live_track_t*)p_private;
1649     demux_t        *p_demux = tk->p_demux;
1650     demux_sys_t    *p_sys = p_demux->p_sys;
1651     block_t        *p_block;
1652
1653     //msg_Dbg( p_demux, "pts: %d", pts.tv_sec );
1654
1655     int64_t i_pts = (int64_t)pts.tv_sec * INT64_C(1000000) +
1656         (int64_t)pts.tv_usec;
1657
1658     /* XXX Beurk beurk beurk Avoid having negative value XXX */
1659     i_pts &= INT64_C(0x00ffffffffffffff);
1660
1661     /* Retrieve NPT for this pts */
1662     tk->i_npt = tk->sub->getNormalPlayTime(pts);
1663
1664     if( tk->b_quicktime && tk->p_es == NULL )
1665     {
1666         QuickTimeGenericRTPSource *qtRTPSource =
1667             (QuickTimeGenericRTPSource*)tk->sub->rtpSource();
1668         QuickTimeGenericRTPSource::QTState &qtState = qtRTPSource->qtState;
1669         uint8_t *sdAtom = (uint8_t*)&qtState.sdAtom[4];
1670
1671         if( tk->fmt.i_cat == VIDEO_ES ) {
1672             if( qtState.sdAtomSize < 16 + 32 )
1673             {
1674                 /* invalid */
1675                 p_sys->event = 0xff;
1676                 tk->waiting = 0;
1677                 return;
1678             }
1679             tk->fmt.i_codec = VLC_FOURCC(sdAtom[0],sdAtom[1],sdAtom[2],sdAtom[3]);
1680             tk->fmt.video.i_width  = (sdAtom[28] << 8) | sdAtom[29];
1681             tk->fmt.video.i_height = (sdAtom[30] << 8) | sdAtom[31];
1682
1683             if( tk->fmt.i_codec == VLC_FOURCC('a', 'v', 'c', '1') )
1684             {
1685                 uint8_t *pos = (uint8_t*)qtRTPSource->qtState.sdAtom + 86;
1686                 uint8_t *endpos = (uint8_t*)qtRTPSource->qtState.sdAtom
1687                                   + qtRTPSource->qtState.sdAtomSize;
1688                 while (pos+8 < endpos) {
1689                     unsigned int atomLength = pos[0]<<24 | pos[1]<<16 | pos[2]<<8 | pos[3];
1690                     if( atomLength == 0 || atomLength > (unsigned int)(endpos-pos)) break;
1691                     if( memcmp(pos+4, "avcC", 4) == 0 &&
1692                         atomLength > 8 &&
1693                         atomLength <= INT_MAX )
1694                     {
1695                         tk->fmt.i_extra = atomLength-8;
1696                         tk->fmt.p_extra = xmalloc( tk->fmt.i_extra );
1697                         memcpy(tk->fmt.p_extra, pos+8, atomLength-8);
1698                         break;
1699                     }
1700                     pos += atomLength;
1701                 }
1702             }
1703             else
1704             {
1705                 tk->fmt.i_extra        = qtState.sdAtomSize - 16;
1706                 tk->fmt.p_extra        = xmalloc( tk->fmt.i_extra );
1707                 memcpy( tk->fmt.p_extra, &sdAtom[12], tk->fmt.i_extra );
1708             }
1709         }
1710         else {
1711             if( qtState.sdAtomSize < 4 )
1712             {
1713                 /* invalid */
1714                 p_sys->event = 0xff;
1715                 tk->waiting = 0;
1716                 return;
1717             }
1718             tk->fmt.i_codec = VLC_FOURCC(sdAtom[0],sdAtom[1],sdAtom[2],sdAtom[3]);
1719         }
1720         tk->p_es = es_out_Add( p_demux->out, &tk->fmt );
1721     }
1722
1723 #if 0
1724     fprintf( stderr, "StreamRead size=%d pts=%lld\n",
1725              i_size,
1726              pts.tv_sec * 1000000LL + pts.tv_usec );
1727 #endif
1728
1729     /* grow buffer if it looks like buffer is too small, but don't eat
1730      * up all the memory on strange streams */
1731     if( i_truncated_bytes > 0 )
1732     {
1733         if( tk->i_buffer < 2000000 )
1734         {
1735             void *p_tmp;
1736             msg_Dbg( p_demux, "lost %d bytes", i_truncated_bytes );
1737             msg_Dbg( p_demux, "increasing buffer size to %d", tk->i_buffer * 2 );
1738             p_tmp = realloc( tk->p_buffer, tk->i_buffer * 2 );
1739             if( p_tmp == NULL )
1740             {
1741                 msg_Warn( p_demux, "realloc failed" );
1742             }
1743             else
1744             {
1745                 tk->p_buffer = (uint8_t*)p_tmp;
1746                 tk->i_buffer *= 2;
1747             }
1748         }
1749
1750         if( tk->b_discard_trunc )
1751         {
1752             p_sys->event = 0xff;
1753             tk->waiting = 0;
1754             return;
1755         }
1756     }
1757
1758     assert( i_size <= tk->i_buffer );
1759
1760     if( tk->fmt.i_codec == VLC_CODEC_AMR_NB ||
1761         tk->fmt.i_codec == VLC_CODEC_AMR_WB )
1762     {
1763         AMRAudioSource *amrSource = (AMRAudioSource*)tk->sub->readSource();
1764
1765         p_block = block_New( p_demux, i_size + 1 );
1766         p_block->p_buffer[0] = amrSource->lastFrameHeader();
1767         memcpy( p_block->p_buffer + 1, tk->p_buffer, i_size );
1768     }
1769     else if( tk->fmt.i_codec == VLC_CODEC_H261 )
1770     {
1771         H261VideoRTPSource *h261Source = (H261VideoRTPSource*)tk->sub->rtpSource();
1772         uint32_t header = h261Source->lastSpecialHeader();
1773         p_block = block_New( p_demux, i_size + 4 );
1774         memcpy( p_block->p_buffer, &header, 4 );
1775         memcpy( p_block->p_buffer + 4, tk->p_buffer, i_size );
1776
1777         if( tk->sub->rtpSource()->curPacketMarkerBit() )
1778             p_block->i_flags |= BLOCK_FLAG_END_OF_FRAME;
1779     }
1780     else if( tk->fmt.i_codec == VLC_CODEC_H264 )
1781     {
1782         if( (tk->p_buffer[0] & 0x1f) >= 24 )
1783             msg_Warn( p_demux, "unsupported NAL type for H264" );
1784
1785         /* Normal NAL type */
1786         p_block = block_New( p_demux, i_size + 4 );
1787         p_block->p_buffer[0] = 0x00;
1788         p_block->p_buffer[1] = 0x00;
1789         p_block->p_buffer[2] = 0x00;
1790         p_block->p_buffer[3] = 0x01;
1791         memcpy( &p_block->p_buffer[4], tk->p_buffer, i_size );
1792     }
1793     else if( tk->b_asf )
1794     {
1795         p_block = StreamParseAsf( p_demux, tk,
1796                                   tk->sub->rtpSource()->curPacketMarkerBit(),
1797                                   tk->p_buffer, i_size );
1798     }
1799     else
1800     {
1801         p_block = block_New( p_demux, i_size );
1802         memcpy( p_block->p_buffer, tk->p_buffer, i_size );
1803     }
1804
1805     if( p_sys->i_pcr < i_pts )
1806     {
1807         p_sys->i_pcr = i_pts;
1808     }
1809
1810     /* Update our global npt value */
1811     if( tk->i_npt > 0 && tk->i_npt > p_sys->i_npt && tk->i_npt < p_sys->i_npt_length)
1812         p_sys->i_npt = tk->i_npt;
1813
1814     if( p_block )
1815     {
1816         if( !tk->b_muxed && !tk->b_asf )
1817         {
1818             if( i_pts != tk->i_pts )
1819                 p_block->i_pts = VLC_TS_0 + i_pts;
1820             /*FIXME: for h264 you should check that packetization-mode=1 in sdp-file */
1821             p_block->i_dts = ( tk->fmt.i_codec == VLC_CODEC_MPGV ) ? VLC_TS_INVALID : (VLC_TS_0 + i_pts);
1822         }
1823
1824         if( tk->b_muxed )
1825             stream_DemuxSend( tk->p_out_muxed, p_block );
1826         else if( tk->b_asf )
1827             stream_DemuxSend( p_sys->p_out_asf, p_block );
1828         else
1829             es_out_Send( p_demux->out, tk->p_es, p_block );
1830     }
1831
1832     /* warn that's ok */
1833     p_sys->event = 0xff;
1834
1835     /* we have read data */
1836     tk->waiting = 0;
1837     p_demux->p_sys->b_no_data = false;
1838     p_demux->p_sys->i_no_data_ti = 0;
1839
1840     if( i_pts > 0 && !tk->b_muxed )
1841     {
1842         tk->i_pts = i_pts;
1843     }
1844 }
1845
1846 /*****************************************************************************
1847  *
1848  *****************************************************************************/
1849 static void StreamClose( void *p_private )
1850 {
1851     live_track_t   *tk = (live_track_t*)p_private;
1852     demux_t        *p_demux = tk->p_demux;
1853     demux_sys_t    *p_sys = p_demux->p_sys;
1854
1855     msg_Dbg( p_demux, "StreamClose" );
1856
1857     p_sys->event = 0xff;
1858     p_sys->b_error = true;
1859 }
1860
1861
1862 /*****************************************************************************
1863  *
1864  *****************************************************************************/
1865 static void TaskInterrupt( void *p_private )
1866 {
1867     demux_t *p_demux = (demux_t*)p_private;
1868
1869     p_demux->p_sys->i_no_data_ti++;
1870
1871     /* Avoid lock */
1872     p_demux->p_sys->event = 0xff;
1873 }
1874
1875 /*****************************************************************************
1876  *
1877  *****************************************************************************/
1878 static void* TimeoutPrevention( void *p_data )
1879 {
1880     timeout_thread_t *p_timeout = (timeout_thread_t *)p_data;
1881
1882     for( ;; )
1883     {
1884         /* Voodoo (= no) thread safety here! *Ahem* */
1885         if( p_timeout->b_handle_keep_alive )
1886         {
1887             char *psz_bye = NULL;
1888             int canc = vlc_savecancel ();
1889
1890             p_timeout->p_sys->rtsp->getMediaSessionParameter( *p_timeout->p_sys->ms, NULL, psz_bye );
1891             vlc_restorecancel (canc);
1892         }
1893         p_timeout->p_sys->b_timeout_call = !p_timeout->b_handle_keep_alive;
1894
1895         msleep (((int64_t)p_timeout->p_sys->i_timeout - 2) * CLOCK_FREQ);
1896     }
1897     assert(0); /* dead code */
1898 }
1899
1900 /*****************************************************************************
1901  *
1902  *****************************************************************************/
1903 static int ParseASF( demux_t *p_demux )
1904 {
1905     demux_sys_t    *p_sys = p_demux->p_sys;
1906
1907     const char *psz_marker = "a=pgmpu:data:application/vnd.ms.wms-hdr.asfv1;base64,";
1908     char *psz_asf = strcasestr( p_sys->p_sdp, psz_marker );
1909     char *psz_end;
1910     block_t *p_header;
1911
1912     /* Parse the asf header */
1913     if( psz_asf == NULL )
1914         return VLC_EGENERIC;
1915
1916     psz_asf += strlen( psz_marker );
1917     psz_asf = strdup( psz_asf );    /* Duplicate it */
1918     psz_end = strchr( psz_asf, '\n' );
1919
1920     while( psz_end > psz_asf && ( *psz_end == '\n' || *psz_end == '\r' ) )
1921         *psz_end-- = '\0';
1922
1923     if( psz_asf >= psz_end )
1924     {
1925         free( psz_asf );
1926         return VLC_EGENERIC;
1927     }
1928
1929     /* Always smaller */
1930     p_header = block_New( p_demux, psz_end - psz_asf );
1931     p_header->i_buffer = vlc_b64_decode_binary_to_buffer( p_header->p_buffer,
1932                                                p_header->i_buffer, psz_asf );
1933     //msg_Dbg( p_demux, "Size=%d Hdrb64=%s", p_header->i_buffer, psz_asf );
1934     if( p_header->i_buffer <= 0 )
1935     {
1936         free( psz_asf );
1937         return VLC_EGENERIC;
1938     }
1939
1940     /* Parse it to get packet size */
1941     asf_HeaderParse( &p_sys->asfh, p_header->p_buffer, p_header->i_buffer );
1942
1943     /* Send it to demuxer */
1944     stream_DemuxSend( p_sys->p_out_asf, p_header );
1945
1946     free( psz_asf );
1947     return VLC_SUCCESS;
1948 }
1949
1950
1951 static unsigned char* parseH264ConfigStr( char const* configStr,
1952                                           unsigned int& configSize )
1953 {
1954     char *dup, *psz;
1955     size_t i_records = 1;
1956
1957     configSize = 0;
1958
1959     if( configStr == NULL || *configStr == '\0' )
1960         return NULL;
1961
1962     psz = dup = strdup( configStr );
1963
1964     /* Count the number of commas */
1965     for( psz = dup; *psz != '\0'; ++psz )
1966     {
1967         if( *psz == ',')
1968         {
1969             ++i_records;
1970             *psz = '\0';
1971         }
1972     }
1973
1974     size_t configMax = 5*strlen(dup);
1975     unsigned char *cfg = new unsigned char[configMax];
1976     psz = dup;
1977     for( size_t i = 0; i < i_records; ++i )
1978     {
1979         cfg[configSize++] = 0x00;
1980         cfg[configSize++] = 0x00;
1981         cfg[configSize++] = 0x00;
1982         cfg[configSize++] = 0x01;
1983
1984         configSize += vlc_b64_decode_binary_to_buffer( cfg+configSize,
1985                                           configMax-configSize, psz );
1986         psz += strlen(psz)+1;
1987     }
1988
1989     free( dup );
1990     return cfg;
1991 }