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 /* 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
  44 #include <vlc_demux.h>
  45 #include <vlc_interface.h>
  46 #include <vlc_network.h>
  47 #include <vlc_url.h>
  48
  49 #include <iostream>
  50 #include <limits.h>
  51
  52
  53 #if defined( WIN32 )
  54 #   include <winsock2.h>
  55 #endif
  56
  57 #include "UsageEnvironment.hh"
  58 #include "BasicUsageEnvironment.hh"
  59 #include "GroupsockHelper.hh"
  60 #include "liveMedia.hh"
  61
  62 extern "C" {
  63 #include "../access/mms/asf.h"  /* Who said ugly ? */
  64 }
  65
  66 using namespace std;
  67
  68 /*****************************************************************************
  69  * Module descriptor
  70  *****************************************************************************/
  71 static int  Open ( vlc_object_t * );
  72 static void Close( vlc_object_t * );
  73
  74 #define CACHING_TEXT N_("Caching value (ms)")
  75 #define CACHING_LONGTEXT N_( \
  76     "Allows you to modify the default caching value for RTSP streams. This " \
  77     "value should be set in millisecond units." )
  78
  79 #define KASENNA_TEXT N_( "Kasenna RTSP dialect")
  80 #define KASENNA_LONGTEXT N_( "Kasenna servers use an old and unstandard " \
  81     "dialect of RTSP. When you set this parameter, VLC will try this dialect "\
  82     "for communication. In this mode you cannot connect to normal RTSP servers." )
  83
  84 #define USER_TEXT N_("RTSP user name")
  85 #define USER_LONGTEXT N_("Allows you to modify the user name that will " \
  86     "be used for authenticating the connection.")
  87 #define PASS_TEXT N_("RTSP password")
  88 #define PASS_LONGTEXT N_("Allows you to modify the password that will be " \
  89     "used for the connection.")
  90
  91 vlc_module_begin();
  92     set_description( N_("RTP/RTSP/SDP demuxer (using Live555)" ) );
  93     set_capability( "demux", 50 );
  94     set_shortname( "RTP/RTSP");
  95     set_callbacks( Open, Close );
  96     add_shortcut( "live" );
  97     add_shortcut( "livedotcom" );
  98     set_category( CAT_INPUT );
  99     set_subcategory( SUBCAT_INPUT_DEMUX );
 100
 101     add_submodule();
 102         set_description( N_("RTSP/RTP access and demux") );
 103         add_shortcut( "rtsp" );
 104         add_shortcut( "sdp" );
 105         set_capability( "access_demux", 0 );
 106         set_callbacks( Open, Close );
 107         add_bool( "rtsp-tcp", 0, NULL,
 108                   N_("Use RTP over RTSP (TCP)"),
 109                   N_("Use RTP over RTSP (TCP)"), true );
 110         add_integer( "rtp-client-port", -1, NULL,
 111                   N_("Client port"),
 112                   N_("Port to use for the RTP source of the session"), true );
 113         add_bool( "rtsp-mcast", false, NULL,
 114                   N_("Force multicast RTP via RTSP"),
 115                   N_("Force multicast RTP via RTSP"), true );
 116         add_bool( "rtsp-http", 0, NULL,
 117                   N_("Tunnel RTSP and RTP over HTTP"),
 118                   N_("Tunnel RTSP and RTP over HTTP"), true );
 119         add_integer( "rtsp-http-port", 80, NULL,
 120                   N_("HTTP tunnel port"),
 121                   N_("Port to use for tunneling the RTSP/RTP over HTTP."),
 122                   true );
 123         add_integer("rtsp-caching", 4 * DEFAULT_PTS_DELAY / 1000, NULL,
 124                     CACHING_TEXT, CACHING_LONGTEXT, true );
 125         add_bool(   "rtsp-kasenna", false, NULL, KASENNA_TEXT,
 126                     KASENNA_LONGTEXT, true );
 127         add_string( "rtsp-user", NULL, NULL, USER_TEXT,
 128                     USER_LONGTEXT, true );
 129         add_string( "rtsp-pwd", NULL, NULL, PASS_TEXT,
 130                     PASS_LONGTEXT, true );
 131 vlc_module_end();
 132
 133
 134 /*****************************************************************************
 135  * Local prototypes
 136  *****************************************************************************/
 137
 138 typedef struct
 139 {
 140     demux_t         *p_demux;
 141     MediaSubsession *sub;
 142
 143     es_format_t     fmt;
 144     es_out_id_t     *p_es;
 145
 146     bool            b_muxed;
 147     bool            b_quicktime;
 148     bool            b_asf;
 149     stream_t        *p_out_muxed;    /* for muxed stream */
 150
 151     uint8_t         *p_buffer;
 152     unsigned int    i_buffer;
 153
 154     bool            b_rtcp_sync;
 155     char            waiting;
 156     int64_t         i_pts;
 157     float           i_npt;
 158
 159 } live_track_t;
 160
 161 struct timeout_thread_t
 162 {
 163     VLC_COMMON_MEMBERS
 164
 165     bool         b_handle_keep_alive;
 166     demux_sys_t  *p_sys;
 167 };
 168
 169 struct demux_sys_t
 170 {
 171     char            *p_sdp;    /* XXX mallocated */
 172     char            *psz_path; /* URL-encoded path */
 173     vlc_url_t       url;
 174
 175     MediaSession     *ms;
 176     TaskScheduler    *scheduler;
 177     UsageEnvironment *env ;
 178     RTSPClient       *rtsp;
 179
 180     /* */
 181     int              i_track;
 182     live_track_t     **track;   /* XXX mallocated */
 183
 184     /* Weird formats */
 185     asf_header_t     asfh;
 186     stream_t         *p_out_asf;
 187     bool             b_real;
 188
 189     /* */
 190     int64_t          i_pcr; /* The clock */
 191     float            i_npt;
 192     float            i_npt_length;
 193     float            i_npt_start;
 194
 195     /* timeout thread information */
 196     int              i_timeout;     /* session timeout value in seconds */
 197     bool             b_timeout_call;/* mark to send an RTSP call to prevent server timeout */
 198     timeout_thread_t *p_timeout;    /* the actual thread that makes sure we don't timeout */
 199
 200     /* */
 201     bool             b_force_mcast;
 202     bool             b_multicast;   /* if one of the tracks is multicasted */
 203     bool             b_no_data;     /* if we never received any data */
 204     int              i_no_data_ti;  /* consecutive number of TaskInterrupt */
 205
 206     char             event;
 207
 208     bool             b_get_param;   /* Does the server support GET_PARAMETER */
 209 };
 210
 211 static int Demux  ( demux_t * );
 212 static int Control( demux_t *, int, va_list );
 213
 214 static int Connect      ( demux_t * );
 215 static int SessionsSetup( demux_t * );
 216 static int Play         ( demux_t *);
 217 static int ParseASF     ( demux_t * );
 218 static int RollOverTcp  ( demux_t * );
 219
 220 static void StreamRead  ( void *, unsigned int, unsigned int,
 221                           struct timeval, unsigned int );
 222 static void StreamClose ( void * );
 223 static void TaskInterrupt( void * );
 224
 225 static void* TimeoutPrevention( vlc_object_t * );
 226
 227 static unsigned char* parseH264ConfigStr( char const* configStr,
 228                                           unsigned int& configSize );
 229
 230 /*****************************************************************************
 231  * DemuxOpen:
 232  *****************************************************************************/
 233 static int  Open ( vlc_object_t *p_this )
 234 {
 235     demux_t     *p_demux = (demux_t*)p_this;
 236     demux_sys_t *p_sys = NULL;
 237
 238     MediaSubsessionIterator *iter   = NULL;
 239     MediaSubsession         *sub    = NULL;
 240     int i, i_return;
 241     int i_error = VLC_EGENERIC;
 242
 243     if( p_demux->s )
 244     {
 245         /* See if it looks like a SDP
 246            v, o, s fields are mandatory and in this order */
 247         const uint8_t *p_peek;
 248         if( stream_Peek( p_demux->s, &p_peek, 7 ) < 7 ) return VLC_EGENERIC;
 249
 250         if( memcmp( p_peek, "v=0\r\n", 5 ) &&
 251             memcmp( p_peek, "v=0\n", 4 ) &&
 252             ( p_peek[0] < 'a' || p_peek[0] > 'z' || p_peek[1] != '=' ) )
 253         {
 254             return VLC_EGENERIC;
 255         }
 256     }
 257     else
 258     {
 259         var_Create( p_demux, "rtsp-caching", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
 260     }
 261
 262     p_demux->pf_demux  = Demux;
 263     p_demux->pf_control= Control;
 264     p_demux->p_sys     = p_sys = (demux_sys_t*)malloc( sizeof( demux_sys_t ) );
 265     if( !p_sys ) return VLC_ENOMEM;
 266
 267     p_sys->p_sdp = NULL;
 268     p_sys->scheduler = NULL;
 269     p_sys->env = NULL;
 270     p_sys->ms = NULL;
 271     p_sys->rtsp = NULL;
 272     p_sys->i_track = 0;
 273     p_sys->track   = NULL;
 274     p_sys->i_pcr = 0;
 275     p_sys->i_npt = 0.;
 276     p_sys->i_npt_start = 0.;
 277     p_sys->i_npt_length = 0.;
 278     p_sys->p_out_asf = NULL;
 279     p_sys->b_no_data = true;
 280     p_sys->i_no_data_ti = 0;
 281     p_sys->p_timeout = NULL;
 282     p_sys->i_timeout = 0;
 283     p_sys->b_timeout_call = false;
 284     p_sys->b_multicast = false;
 285     p_sys->b_real = false;
 286     p_sys->psz_path = strdup( p_demux->psz_path );
 287     p_sys->b_force_mcast = var_CreateGetBool( p_demux, "rtsp-mcast" );
 288     p_sys->b_get_param = false;
 289
 290     /* parse URL for rtsp://[user:[passwd]@]serverip:port/options */
 291     vlc_UrlParse( &p_sys->url, p_sys->psz_path, 0 );
 292
 293     if( ( p_sys->scheduler = BasicTaskScheduler::createNew() ) == NULL )
 294     {
 295         msg_Err( p_demux, "BasicTaskScheduler::createNew failed" );
 296         goto error;
 297     }
 298     if( !( p_sys->env = BasicUsageEnvironment::createNew(*p_sys->scheduler) ) )
 299     {
 300         msg_Err( p_demux, "BasicUsageEnvironment::createNew failed" );
 301         goto error;
 302     }
 303
 304     if( strcasecmp( p_demux->psz_access, "sdp" ) )
 305     {
 306         char *p = p_sys->psz_path;
 307         while( (p = strchr( p, ' ' )) != NULL ) *p = '+';
 308     }
 309
 310     if( p_demux->s != NULL )
 311     {
 312         /* Gather the complete sdp file */
 313         int     i_sdp       = 0;
 314         int     i_sdp_max   = 1000;
 315         uint8_t *p_sdp      = (uint8_t*) malloc( i_sdp_max );
 316
 317         if( !p_sdp )
 318         {
 319             i_error = VLC_ENOMEM;
 320             goto error;
 321         }
 322
 323         for( ;; )
 324         {
 325             int i_read = stream_Read( p_demux->s, &p_sdp[i_sdp],
 326                                       i_sdp_max - i_sdp - 1 );
 327
 328             if( !vlc_object_alive (p_demux) || p_demux->b_error )
 329             {
 330                 free( p_sdp );
 331                 goto error;
 332             }
 333
 334             if( i_read < 0 )
 335             {
 336                 msg_Err( p_demux, "failed to read SDP" );
 337                 free( p_sdp );
 338                 goto error;
 339             }
 340
 341             i_sdp += i_read;
 342
 343             if( i_read < i_sdp_max - i_sdp - 1 )
 344             {
 345                 p_sdp[i_sdp] = '\0';
 346                 break;
 347             }
 348
 349             i_sdp_max += 1000;
 350             p_sdp = (uint8_t*)realloc( p_sdp, i_sdp_max );
 351         }
 352         p_sys->p_sdp = (char*)p_sdp;
 353     }
 354     else if( ( p_demux->s == NULL ) &&
 355              !strcasecmp( p_demux->psz_access, "sdp" ) )
 356     {
 357         /* sdp:// link from SAP */
 358         p_sys->p_sdp = strdup( p_sys->psz_path );
 359     }
 360     else if( ( i_return = Connect( p_demux ) ) != VLC_SUCCESS )
 361     {
 362         msg_Err( p_demux, "Failed to connect with rtsp://%s", p_sys->psz_path );
 363         goto error;
 364     }
 365
 366     if( p_sys->p_sdp == NULL )
 367     {
 368         msg_Err( p_demux, "Failed to retrieve the RTSP Session Description" );
 369         i_error = VLC_ENOMEM;
 370         goto error;
 371     }
 372
 373     if( ( i_return = SessionsSetup( p_demux ) ) != VLC_SUCCESS )
 374     {
 375         msg_Err( p_demux, "Nothing to play for rtsp://%s", p_sys->psz_path );
 376         goto error;
 377     }
 378
 379     if( p_sys->b_real ) goto error;
 380
 381     if( ( i_return = Play( p_demux ) ) != VLC_SUCCESS )
 382         goto error;
 383
 384     if( p_sys->p_out_asf && ParseASF( p_demux ) )
 385     {
 386         msg_Err( p_demux, "cannot find a usable asf header" );
 387         /* TODO Clean tracks */
 388         goto error;
 389     }
 390
 391     if( p_sys->i_track <= 0 )
 392         goto error;
 393
 394     return VLC_SUCCESS;
 395
 396 error:
 397     for( i = 0; i < p_sys->i_track; i++ )
 398     {
 399         live_track_t *tk = p_sys->track[i];
 400
 401         if( tk->b_muxed ) stream_DemuxDelete( tk->p_out_muxed );
 402         es_format_Clean( &tk->fmt );
 403         free( tk->p_buffer );
 404         free( tk );
 405     }
 406
 407     if( p_sys->i_track ) free( p_sys->track );
 408     if( p_sys->p_out_asf ) stream_DemuxDelete( p_sys->p_out_asf );
 409     if( p_sys->rtsp && p_sys->ms ) p_sys->rtsp->teardownMediaSession( *p_sys->ms );
 410     if( p_sys->ms ) Medium::close( p_sys->ms );
 411     if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp );
 412     if( p_sys->env ) p_sys->env->reclaim();
 413     if( p_sys->p_timeout )
 414     {
 415         vlc_object_kill( p_sys->p_timeout );
 416         vlc_thread_join( p_sys->p_timeout );
 417         vlc_object_detach( p_sys->p_timeout );
 418         vlc_object_release( p_sys->p_timeout );
 419     }
 420     delete p_sys->scheduler;
 421     free( p_sys->p_sdp );
 422     free( p_sys->psz_path );
 423
 424     vlc_UrlClean( &p_sys->url );
 425
 426     free( p_sys );
 427     return i_error;
 428 }
 429
 430 /*****************************************************************************
 431  * DemuxClose:
 432  *****************************************************************************/
 433 static void Close( vlc_object_t *p_this )
 434 {
 435     demux_t *p_demux = (demux_t*)p_this;
 436     demux_sys_t *p_sys = p_demux->p_sys;
 437     int i;
 438
 439     for( i = 0; i < p_sys->i_track; i++ )
 440     {
 441         live_track_t *tk = p_sys->track[i];
 442
 443         if( tk->b_muxed ) stream_DemuxDelete( tk->p_out_muxed );
 444         es_format_Clean( &tk->fmt );
 445         free( tk->p_buffer );
 446         free( tk );
 447     }
 448
 449     if( p_sys->i_track ) free( p_sys->track );
 450     if( p_sys->p_out_asf ) stream_DemuxDelete( p_sys->p_out_asf );
 451     if( p_sys->rtsp && p_sys->ms ) p_sys->rtsp->teardownMediaSession( *p_sys->ms );
 452     if( p_sys->ms ) Medium::close( p_sys->ms );
 453     if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp );
 454     if( p_sys->env ) p_sys->env->reclaim();
 455     if( p_sys->p_timeout )
 456     {
 457         vlc_object_kill( p_sys->p_timeout );
 458         vlc_thread_join( p_sys->p_timeout );
 459         vlc_object_detach( p_sys->p_timeout );
 460         vlc_object_release( p_sys->p_timeout );
 461     }
 462     delete p_sys->scheduler;
 463     free( p_sys->p_sdp );
 464     free( p_sys->psz_path );
 465
 466     vlc_UrlClean( &p_sys->url );
 467
 468     free( p_sys );
 469 }
 470
 471 /*****************************************************************************
 472  * Connect: connects to the RTSP server to setup the session DESCRIBE
 473  *****************************************************************************/
 474 static int Connect( demux_t *p_demux )
 475 {
 476     demux_sys_t *p_sys = p_demux->p_sys;
 477     Authenticator authenticator;
 478     bool b_firstpass  = true;
 479     char *psz_user    = NULL;
 480     char *psz_pwd     = NULL;
 481     char *psz_url     = NULL;
 482     char *psz_options = NULL;
 483     char *p_sdp       = NULL;
 484     int  i_http_port  = 0;
 485     int  i_ret        = VLC_SUCCESS;
 486     int i_lefttries;
 487
 488     if( p_sys->url.i_port == 0 ) p_sys->url.i_port = 554;
 489     if( p_sys->url.psz_username || p_sys->url.psz_password )
 490     {
 491         int err;
 492         err = asprintf( &psz_url, "rtsp://%s:%d%s", p_sys->url.psz_host,
 493                         p_sys->url.i_port, p_sys->url.psz_path );
 494         if( err == -1 ) return VLC_ENOMEM;
 495
 496         psz_user = strdup( p_sys->url.psz_username );
 497         psz_pwd  = strdup( p_sys->url.psz_password );
 498     }
 499     else
 500     {
 501         int err;
 502         err = asprintf( &psz_url, "rtsp://%s", p_sys->psz_path );
 503         if( err == -1 ) return VLC_ENOMEM;
 504
 505         psz_user = var_CreateGetString( p_demux, "rtsp-user" );
 506         psz_pwd  = var_CreateGetString( p_demux, "rtsp-pwd" );
 507     }
 508
 509     i_lefttries = 3;
 510 createnew:
 511     i_lefttries--;
 512     if( !vlc_object_alive (p_demux) || p_demux->b_error )
 513     {
 514         free( psz_user );
 515         free( psz_pwd );
 516         free( psz_url );
 517         return VLC_EGENERIC;
 518     }
 519
 520     if( var_CreateGetBool( p_demux, "rtsp-http" ) )
 521         i_http_port = var_CreateGetInteger( p_demux, "rtsp-http-port" );
 522
 523     if( ( p_sys->rtsp = RTSPClient::createNew( *p_sys->env,
 524           var_CreateGetInteger( p_demux, "verbose" ) > 1,
 525           "VLC media player", i_http_port ) ) == NULL )
 526     {
 527         msg_Err( p_demux, "RTSPClient::createNew failed (%s)",
 528                  p_sys->env->getResultMsg() );
 529         free( psz_user );
 530         free( psz_pwd );
 531         free( psz_url );
 532         return VLC_EGENERIC;
 533     }
 534
 535     /* Kasenna enables KeepAlive by analysing the User-Agent string.
 536      * Appending _KA to the string should be enough to enable this feature,
 537      * however, there is a bug where the _KA doesn't get parsed from the
 538      * default User-Agent as created by VLC/Live555 code. This is probably due
 539      * to spaces in the string or the string being too long. Here we override
 540      * the default string with a more compact version.
 541      */
 542     if( var_CreateGetBool( p_demux, "rtsp-kasenna" ))
 543     {
 544         p_sys->rtsp->setUserAgentString( "VLC_MEDIA_PLAYER_KA" );
 545     }
 546
 547 describe:
 548     authenticator.setUsernameAndPassword( (const char*)psz_user,
 549                                           (const char*)psz_pwd );
 550
 551     psz_options = p_sys->rtsp->sendOptionsCmd( psz_url, psz_user, psz_pwd,
 552                                                &authenticator );
 553     p_sys->b_get_param = strstr( psz_options, "GET_PARAMETER" ) ? true : false ;
 554     delete [] psz_options;
 555
 556     p_sdp = p_sys->rtsp->describeURL( psz_url, &authenticator,
 557                          var_GetBool( p_demux, "rtsp-kasenna" ) );
 558     if( p_sdp == NULL )
 559     {
 560         /* failure occurred */
 561         int i_code = 0;
 562         const char *psz_error = p_sys->env->getResultMsg();
 563
 564         if( var_GetBool( p_demux, "rtsp-http" ) )
 565             sscanf( psz_error, "%*s %*s HTTP GET %*s HTTP/%*u.%*u %3u %*s",
 566                     &i_code );
 567         else
 568         {
 569             const char *psz_tmp = strstr( psz_error, "RTSP" );
 570             if( psz_tmp )
 571                 sscanf( psz_tmp, "RTSP/%*s%3u", &i_code );
 572             else
 573                 i_code = 0;
 574         }
 575         msg_Dbg( p_demux, "DESCRIBE failed with %d: %s", i_code, psz_error );
 576
 577         if( b_firstpass )
 578         {   /* describeURL always returns an "RTSP/1.0 401 Unauthorized" the
 579              * first time. This is a workaround to avoid asking for a
 580              * user/passwd the first time the code passess here. */
 581             i_code = 0;
 582             b_firstpass = false;
 583         }
 584
 585         if( i_code == 401 )
 586         {
 587             int i_result;
 588             msg_Dbg( p_demux, "authentication failed" );
 589
 590             free( psz_user );
 591             free( psz_pwd );
 592             psz_user = psz_pwd = NULL;
 593
 594             i_result = intf_UserLoginPassword( p_demux, _("RTSP authentication"),
 595                            _("Please enter a valid login name and a password."),
 596                                                    &psz_user, &psz_pwd );
 597             if( i_result == DIALOG_OK_YES )
 598             {
 599                 msg_Dbg( p_demux, "retrying with user=%s, pwd=%s",
 600                          psz_user, psz_pwd );
 601                 goto describe;
 602             }
 603         }
 604         else if( (i_code != 0) && !var_GetBool( p_demux, "rtsp-http" ) )
 605         {
 606             /* Perhaps a firewall is being annoying. Try HTTP tunneling mode */
 607             vlc_value_t val;
 608             val.b_bool = true;
 609             msg_Dbg( p_demux, "we will now try HTTP tunneling mode" );
 610             var_Set( p_demux, "rtsp-http", val );
 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, retrying" );
 618             if( p_sys->rtsp ) RTSPClient::close( p_sys->rtsp );
 619             p_sys->rtsp = NULL;
 620             if( i_lefttries > 0 )
 621                 goto createnew;
 622         }
 623         i_ret = VLC_EGENERIC;
 624     }
 625
 626     /* malloc-ated copy */
 627     free( psz_url );
 628     free( psz_user );
 629     free( psz_pwd );
 630
 631     free( p_sys->p_sdp );
 632     p_sys->p_sdp = NULL;
 633     if( p_sdp ) p_sys->p_sdp = strdup( (char*)p_sdp );
 634     delete[] p_sdp;
 635
 636     return i_ret;
 637 }
 638
 639 /*****************************************************************************
 640  * SessionsSetup: prepares the subsessions and does the SETUP
 641  *****************************************************************************/
 642 static int SessionsSetup( demux_t *p_demux )
 643 {
 644     demux_sys_t             *p_sys  = p_demux->p_sys;
 645     MediaSubsessionIterator *iter   = NULL;
 646     MediaSubsession         *sub    = NULL;
 647
 648     bool           b_rtsp_tcp = false;
 649     int            i_client_port;
 650     int            i_return = VLC_SUCCESS;
 651     unsigned int   i_buffer = 0;
 652     unsigned const thresh = 200000; /* RTP reorder threshold .2 second (default .1) */
 653
 654     b_rtsp_tcp    = var_CreateGetBool( p_demux, "rtsp-tcp" ) ||
 655                     var_GetBool( p_demux, "rtsp-http" );
 656     i_client_port = var_CreateGetInteger( p_demux, "rtp-client-port" );
 657
 658     /* Create the session from the SDP */
 659     if( !( p_sys->ms = MediaSession::createNew( *p_sys->env, p_sys->p_sdp ) ) )
 660     {
 661         msg_Err( p_demux, "Could not create the RTSP Session: %s",
 662             p_sys->env->getResultMsg() );
 663         return VLC_EGENERIC;
 664     }
 665
 666     /* Initialise each media subsession */
 667     iter = new MediaSubsessionIterator( *p_sys->ms );
 668     while( ( sub = iter->next() ) != NULL )
 669     {
 670         Boolean bInit;
 671         live_track_t *tk;
 672
 673         if( !vlc_object_alive (p_demux) || p_demux->b_error )
 674         {
 675             delete iter;
 676             return VLC_EGENERIC;
 677         }
 678
 679         /* Value taken from mplayer */
 680         if( !strcmp( sub->mediumName(), "audio" ) )
 681             i_buffer = 100000;
 682         else if( !strcmp( sub->mediumName(), "video" ) )
 683             i_buffer = 2000000;
 684         else continue;
 685
 686         if( i_client_port != -1 )
 687         {
 688             sub->setClientPortNum( i_client_port );
 689             i_client_port += 2;
 690         }
 691
 692         if( strcasestr( sub->codecName(), "REAL" ) )
 693         {
 694             msg_Info( p_demux, "real codec detected, using real-RTSP instead" );
 695             p_sys->b_real = true; /* This is a problem, we'll handle it later */
 696             continue;
 697         }
 698
 699         if( !strcmp( sub->codecName(), "X-ASF-PF" ) )
 700             bInit = sub->initiate( 4 ); /* Constant ? */
 701         else
 702             bInit = sub->initiate();
 703
 704         if( !bInit )
 705         {
 706             msg_Warn( p_demux, "RTP subsession '%s/%s' failed (%s)",
 707                       sub->mediumName(), sub->codecName(),
 708                       p_sys->env->getResultMsg() );
 709         }
 710         else
 711         {
 712             if( sub->rtpSource() != NULL )
 713             {
 714                 int fd = sub->rtpSource()->RTPgs()->socketNum();
 715
 716                 /* Increase the buffer size */
 717                 if( i_buffer > 0 )
 718                     increaseReceiveBufferTo( *p_sys->env, fd, i_buffer );
 719
 720                 /* Increase the RTP reorder timebuffer just a bit */
 721                 sub->rtpSource()->setPacketReorderingThresholdTime(thresh);
 722             }
 723             msg_Dbg( p_demux, "RTP subsession '%s/%s'", sub->mediumName(),
 724                      sub->codecName() );
 725
 726             /* Issue the SETUP */
 727             if( p_sys->rtsp )
 728             {
 729                 if( !p_sys->rtsp->setupMediaSubsession( *sub, False,
 730                                            b_rtsp_tcp ? True : False,
 731                                            ( p_sys->b_force_mcast && !b_rtsp_tcp ) ? True : False ) )
 732                 {
 733                     /* if we get an unsupported transport error, toggle TCP use and try again */
 734                     if( !strstr(p_sys->env->getResultMsg(), "461 Unsupported Transport")
 735                      || !p_sys->rtsp->setupMediaSubsession( *sub, False,
 736                                            b_rtsp_tcp ? False : True,
 737                                            False ) )
 738                     {
 739                         msg_Err( p_demux, "SETUP of'%s/%s' failed %s", sub->mediumName(),
 740                                  sub->codecName(), p_sys->env->getResultMsg() );
 741                         continue;
 742                     }
 743                 }
 744             }
 745
 746             /* Check if we will receive data from this subsession for this track */
 747             if( sub->readSource() == NULL ) continue;
 748             if( !p_sys->b_multicast )
 749             {
 750                 /* Check, because we need diff. rollover behaviour for multicast */
 751                 p_sys->b_multicast = IsMulticastAddress( sub->connectionEndpointAddress() );
 752             }
 753
 754             tk = (live_track_t*)malloc( sizeof( live_track_t ) );
 755             if( !tk )
 756             {
 757                 delete iter;
 758                 return VLC_ENOMEM;
 759             }
 760             tk->p_demux     = p_demux;
 761             tk->sub         = sub;
 762             tk->p_es        = NULL;
 763             tk->b_quicktime = false;
 764             tk->b_asf       = false;
 765             tk->b_muxed     = false;
 766             tk->p_out_muxed = NULL;
 767             tk->waiting     = 0;
 768             tk->b_rtcp_sync = false;
 769             tk->i_pts       = 0;
 770             tk->i_npt       = 0.;
 771             tk->i_buffer    = 65536;
 772             tk->p_buffer    = (uint8_t *)malloc( 65536 );
 773             if( !tk->p_buffer )
 774             {
 775                 delete iter;
 776                 return VLC_ENOMEM;
 777             }
 778
 779             /* Value taken from mplayer */
 780             if( !strcmp( sub->mediumName(), "audio" ) )
 781             {
 782                 es_format_Init( &tk->fmt, AUDIO_ES, VLC_FOURCC('u','n','d','f') );
 783                 tk->fmt.audio.i_channels = sub->numChannels();
 784                 tk->fmt.audio.i_rate = sub->rtpTimestampFrequency();
 785
 786                 if( !strcmp( sub->codecName(), "MPA" ) ||
 787                     !strcmp( sub->codecName(), "MPA-ROBUST" ) ||
 788                     !strcmp( sub->codecName(), "X-MP3-DRAFT-00" ) )
 789                 {
 790                     tk->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'a' );
 791                     tk->fmt.audio.i_rate = 0;
 792                 }
 793                 else if( !strcmp( sub->codecName(), "AC3" ) )
 794                 {
 795                     tk->fmt.i_codec = VLC_FOURCC( 'a', '5', '2', ' ' );
 796                     tk->fmt.audio.i_rate = 0;
 797                 }
 798                 else if( !strcmp( sub->codecName(), "L16" ) )
 799                 {
 800                     tk->fmt.i_codec = VLC_FOURCC( 't', 'w', 'o', 's' );
 801                     tk->fmt.audio.i_bitspersample = 16;
 802                 }
 803                 else if( !strcmp( sub->codecName(), "L8" ) )
 804                 {
 805                     tk->fmt.i_codec = VLC_FOURCC( 'a', 'r', 'a', 'w' );
 806                     tk->fmt.audio.i_bitspersample = 8;
 807                 }
 808                 else if( !strcmp( sub->codecName(), "PCMU" ) )
 809                 {
 810                     tk->fmt.i_codec = VLC_FOURCC( 'u', 'l', 'a', 'w' );
 811                 }
 812                 else if( !strcmp( sub->codecName(), "PCMA" ) )
 813                 {
 814                     tk->fmt.i_codec = VLC_FOURCC( 'a', 'l', 'a', 'w' );
 815                 }
 816                 else if( !strncmp( sub->codecName(), "G726", 4 ) )
 817                 {
 818                     tk->fmt.i_codec = VLC_FOURCC( 'g', '7', '2', '6' );
 819                     tk->fmt.audio.i_rate = 8000;
 820                     tk->fmt.audio.i_channels = 1;
 821                     if( !strcmp( sub->codecName()+5, "40" ) )
 822                         tk->fmt.i_bitrate = 40000;
 823                     else if( !strcmp( sub->codecName()+5, "32" ) )
 824                         tk->fmt.i_bitrate = 32000;
 825                     else if( !strcmp( sub->codecName()+5, "24" ) )
 826                         tk->fmt.i_bitrate = 24000;
 827                     else if( !strcmp( sub->codecName()+5, "16" ) )
 828                         tk->fmt.i_bitrate = 16000;
 829                 }
 830                 else if( !strcmp( sub->codecName(), "AMR" ) )
 831                 {
 832                     tk->fmt.i_codec = VLC_FOURCC( 's', 'a', 'm', 'r' );
 833                 }
 834                 else if( !strcmp( sub->codecName(), "AMR-WB" ) )
 835                 {
 836                     tk->fmt.i_codec = VLC_FOURCC( 's', 'a', 'w', 'b' );
 837                 }
 838                 else if( !strcmp( sub->codecName(), "MP4A-LATM" ) )
 839                 {
 840                     unsigned int i_extra;
 841                     uint8_t      *p_extra;
 842
 843                     tk->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'a' );
 844
 845                     if( ( p_extra = parseStreamMuxConfigStr( sub->fmtp_config(),
 846                                                              i_extra ) ) )
 847                     {
 848                         tk->fmt.i_extra = i_extra;
 849                         tk->fmt.p_extra = malloc( i_extra );
 850                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
 851                         delete[] p_extra;
 852                     }
 853                     /* Because the "faad" decoder does not handle the LATM data length field
 854                        at the start of each returned LATM frame, tell the RTP source to omit it. */
 855                     ((MPEG4LATMAudioRTPSource*)sub->rtpSource())->omitLATMDataLengthField();
 856                 }
 857                 else if( !strcmp( sub->codecName(), "MPEG4-GENERIC" ) )
 858                 {
 859                     unsigned int i_extra;
 860                     uint8_t      *p_extra;
 861
 862                     tk->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'a' );
 863
 864                     if( ( p_extra = parseGeneralConfigStr( sub->fmtp_config(),
 865                                                            i_extra ) ) )
 866                     {
 867                         tk->fmt.i_extra = i_extra;
 868                         tk->fmt.p_extra = malloc( i_extra );
 869                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
 870                         delete[] p_extra;
 871                     }
 872                 }
 873                 else if( !strcmp( sub->codecName(), "X-ASF-PF" ) )
 874                 {
 875                     tk->b_asf = true;
 876                     if( p_sys->p_out_asf == NULL )
 877                         p_sys->p_out_asf = stream_DemuxNew( p_demux, "asf",
 878                                                             p_demux->out );
 879                 }
 880                 else if( !strcmp( sub->codecName(), "X-QT" ) ||
 881                          !strcmp( sub->codecName(), "X-QUICKTIME" ) )
 882                 {
 883                     tk->b_quicktime = true;
 884                 }
 885                 else if( !strcmp( sub->codecName(), "SPEEX" ) )
 886                 {
 887                     tk->fmt.i_codec = VLC_FOURCC( 's', 'p', 'x', 'r' );
 888                     if ( sub->rtpTimestampFrequency() )
 889                         tk->fmt.audio.i_rate = sub->rtpTimestampFrequency();
 890                     else
 891                     {
 892                         msg_Warn( p_demux,"Using 8kHz as default sample rate." );
 893                         tk->fmt.audio.i_rate = 8000;
 894                     }
 895                 }
 896             }
 897             else if( !strcmp( sub->mediumName(), "video" ) )
 898             {
 899                 es_format_Init( &tk->fmt, VIDEO_ES, VLC_FOURCC('u','n','d','f') );
 900                 if( !strcmp( sub->codecName(), "MPV" ) )
 901                 {
 902                     tk->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'v' );
 903                 }
 904                 else if( !strcmp( sub->codecName(), "H263" ) ||
 905                          !strcmp( sub->codecName(), "H263-1998" ) ||
 906                          !strcmp( sub->codecName(), "H263-2000" ) )
 907                 {
 908                     tk->fmt.i_codec = VLC_FOURCC( 'H', '2', '6', '3' );
 909                 }
 910                 else if( !strcmp( sub->codecName(), "H261" ) )
 911                 {
 912                     tk->fmt.i_codec = VLC_FOURCC( 'H', '2', '6', '1' );
 913                 }
 914                 else if( !strcmp( sub->codecName(), "H264" ) )
 915                 {
 916                     unsigned int i_extra = 0;
 917                     uint8_t      *p_extra = NULL;
 918
 919                     tk->fmt.i_codec = VLC_FOURCC( 'h', '2', '6', '4' );
 920                     tk->fmt.b_packetized = false;
 921
 922                     if((p_extra=parseH264ConfigStr( sub->fmtp_spropparametersets(),
 923                                                     i_extra ) ) )
 924                     {
 925                         tk->fmt.i_extra = i_extra;
 926                         tk->fmt.p_extra = malloc( i_extra );
 927                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
 928
 929                         delete[] p_extra;
 930                     }
 931                 }
 932                 else if( !strcmp( sub->codecName(), "JPEG" ) )
 933                 {
 934                     tk->fmt.i_codec = VLC_FOURCC( 'M', 'J', 'P', 'G' );
 935                 }
 936                 else if( !strcmp( sub->codecName(), "MP4V-ES" ) )
 937                 {
 938                     unsigned int i_extra;
 939                     uint8_t      *p_extra;
 940
 941                     tk->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'v' );
 942
 943                     if( ( p_extra = parseGeneralConfigStr( sub->fmtp_config(),
 944                                                            i_extra ) ) )
 945                     {
 946                         tk->fmt.i_extra = i_extra;
 947                         tk->fmt.p_extra = malloc( i_extra );
 948                         memcpy( tk->fmt.p_extra, p_extra, i_extra );
 949                         delete[] p_extra;
 950                     }
 951                 }
 952                 else if( !strcmp( sub->codecName(), "X-QT" ) ||
 953                          !strcmp( sub->codecName(), "X-QUICKTIME" ) ||
 954                          !strcmp( sub->codecName(), "X-QDM" ) ||
 955                          !strcmp( sub->codecName(), "X-SV3V-ES" )  ||
 956                          !strcmp( sub->codecName(), "X-SORENSONVIDEO" ) )
 957                 {
 958                     tk->b_quicktime = true;
 959                 }
 960                 else if( !strcmp( sub->codecName(), "MP2T" ) )
 961                 {
 962                     tk->b_muxed = true;
 963                     tk->p_out_muxed = stream_DemuxNew( p_demux, "ts", p_demux->out );
 964                 }
 965                 else if( !strcmp( sub->codecName(), "MP2P" ) ||
 966                          !strcmp( sub->codecName(), "MP1S" ) )
 967                 {
 968                     tk->b_muxed = true;
 969                     tk->p_out_muxed = stream_DemuxNew( p_demux, "ps",
 970                                                        p_demux->out );
 971                 }
 972                 else if( !strcmp( sub->codecName(), "X-ASF-PF" ) )
 973                 {
 974                     tk->b_asf = true;
 975                     if( p_sys->p_out_asf == NULL )
 976                         p_sys->p_out_asf = stream_DemuxNew( p_demux, "asf",
 977                                                             p_demux->out );;
 978                 }
 979             }
 980
 981             if( !tk->b_quicktime && !tk->b_muxed && !tk->b_asf )
 982             {
 983                 tk->p_es = es_out_Add( p_demux->out, &tk->fmt );
 984             }
 985
 986             if( sub->rtcpInstance() != NULL )
 987             {
 988                 sub->rtcpInstance()->setByeHandler( StreamClose, tk );
 989             }
 990
 991             if( tk->p_es || tk->b_quicktime || tk->b_muxed || tk->b_asf )
 992             {
 993                 /* Append */
 994                 p_sys->track = (live_track_t**)realloc( p_sys->track, sizeof( live_track_t ) * ( p_sys->i_track + 1 ) );
 995                 p_sys->track[p_sys->i_track++] = tk;
 996             }
 997             else
 998             {
 999                 /* BUG ??? */
1000                 msg_Err( p_demux, "unusable RTSP track. this should not happen" );
1001                 es_format_Clean( &tk->fmt );
1002                 free( tk );
1003             }
1004         }
1005     }
1006     delete iter;
1007     if( p_sys->i_track <= 0 ) i_return = VLC_EGENERIC;
1008
1009     /* Retrieve the starttime if possible */
1010     p_sys->i_npt_start = p_sys->ms->playStartTime();
1011
1012     /* Retrieve the duration if possible */
1013     p_sys->i_npt_length = p_sys->ms->playEndTime();
1014
1015     msg_Dbg( p_demux, "setup start: %f stop:%f", p_sys->i_npt_start, p_sys->i_npt_length );
1016     return i_return;
1017 }
1018
1019 /*****************************************************************************
1020  * Play: starts the actual playback of the stream
1021  *****************************************************************************/
1022 static int Play( demux_t *p_demux )
1023 {
1024     demux_sys_t *p_sys = p_demux->p_sys;
1025     int i;
1026
1027     if( p_sys->rtsp )
1028     {
1029         /* The PLAY */
1030         if( !p_sys->rtsp->playMediaSession( *p_sys->ms, p_sys->i_npt_start, -1, 1 ) )
1031         {
1032             msg_Err( p_demux, "RTSP PLAY failed %s", p_sys->env->getResultMsg() );
1033             return VLC_EGENERIC;
1034         }
1035
1036         /* Retrieve the timeout value and set up a timeout prevention thread */
1037         p_sys->i_timeout = p_sys->rtsp->sessionTimeoutParameter();
1038         if( p_sys->i_timeout <= 0 )
1039             p_sys->i_timeout = 60; /* default value from RFC2326 */
1040
1041         /* start timeout-thread only if GET_PARAMETER is supported by the server */
1042         if( !p_sys->p_timeout && p_sys->b_get_param )
1043         {
1044             msg_Dbg( p_demux, "We have a timeout of %d seconds",  p_sys->i_timeout );
1045             p_sys->p_timeout = (timeout_thread_t *)vlc_object_create( p_demux, sizeof(timeout_thread_t) );
1046             p_sys->p_timeout->p_sys = p_demux->p_sys; /* lol, object recursion :D */
1047             if( vlc_thread_create( p_sys->p_timeout, "liveMedia-timeout",
1048                                    TimeoutPrevention,
1049                                    VLC_THREAD_PRIORITY_LOW, false ) )
1050             {
1051                 msg_Err( p_demux, "cannot spawn liveMedia timeout thread" );
1052                 vlc_object_release( p_sys->p_timeout );
1053             }
1054             msg_Dbg( p_demux, "spawned timeout thread" );
1055             vlc_object_attach( p_sys->p_timeout, p_demux );
1056         }
1057     }
1058     p_sys->i_pcr = 0;
1059
1060     /* Retrieve the starttime if possible */
1061     p_sys->i_npt_start = p_sys->ms->playStartTime();
1062     p_sys->i_npt_length = p_sys->ms->playEndTime();
1063
1064     msg_Dbg( p_demux, "play start: %f stop:%f", p_sys->i_npt_start, p_sys->i_npt_length );
1065     return VLC_SUCCESS;
1066 }
1067
1068
1069 /*****************************************************************************
1070  * Demux:
1071  *****************************************************************************/
1072 static int Demux( demux_t *p_demux )
1073 {
1074     demux_sys_t    *p_sys = p_demux->p_sys;
1075     TaskToken      task;
1076
1077     bool            b_send_pcr = true;
1078     int64_t         i_pcr = 0;
1079     int             i;
1080
1081     /* Check if we need to send the server a Keep-A-Live signal */
1082     if( p_sys->b_timeout_call && p_sys->rtsp && p_sys->ms )
1083     {
1084         char *psz_bye = NULL;
1085         p_sys->rtsp->getMediaSessionParameter( *p_sys->ms, NULL, psz_bye );
1086         p_sys->b_timeout_call = false;
1087     }
1088
1089     for( i = 0; i < p_sys->i_track; i++ )
1090     {
1091         live_track_t *tk = p_sys->track[i];
1092
1093         if( tk->b_asf || tk->b_muxed )
1094             b_send_pcr = false;
1095 #if 0
1096         if( i_pcr == 0 )
1097         {
1098             i_pcr = tk->i_pts;
1099         }
1100         else if( tk->i_pts != 0 && i_pcr > tk->i_pts )
1101         {
1102             i_pcr = tk->i_pts ;
1103         }
1104 #endif
1105     }
1106     if( p_sys->i_pcr > 0 )
1107     {
1108         if( b_send_pcr )
1109             es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_sys->i_pcr );
1110     }
1111
1112     /* First warn we want to read data */
1113     p_sys->event = 0;
1114     for( i = 0; i < p_sys->i_track; i++ )
1115     {
1116         live_track_t *tk = p_sys->track[i];
1117
1118         if( tk->waiting == 0 )
1119         {
1120             tk->waiting = 1;
1121             tk->sub->readSource()->getNextFrame( tk->p_buffer, tk->i_buffer,
1122                                           StreamRead, tk, StreamClose, tk );
1123         }
1124     }
1125     /* Create a task that will be called if we wait more than 300ms */
1126     task = p_sys->scheduler->scheduleDelayedTask( 300000, TaskInterrupt, p_demux );
1127
1128     /* Do the read */
1129     p_sys->scheduler->doEventLoop( &p_sys->event );
1130
1131     /* remove the task */
1132     p_sys->scheduler->unscheduleDelayedTask( task );
1133
1134     /* Check for gap in pts value */
1135     for( i = 0; i < p_sys->i_track; i++ )
1136     {
1137         live_track_t *tk = p_sys->track[i];
1138
1139         if( !tk->b_muxed && !tk->b_rtcp_sync &&
1140             tk->sub->rtpSource() && tk->sub->rtpSource()->hasBeenSynchronizedUsingRTCP() )
1141         {
1142             msg_Dbg( p_demux, "tk->rtpSource->hasBeenSynchronizedUsingRTCP()" );
1143
1144             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
1145             tk->b_rtcp_sync = true;
1146             /* reset PCR */
1147             tk->i_pts = 0;
1148             tk->i_npt = 0.;
1149             p_sys->i_pcr = 0;
1150             p_sys->i_npt = 0.;
1151             i_pcr = 0;
1152         }
1153     }
1154
1155     if( p_sys->b_multicast && p_sys->b_no_data &&
1156         ( p_sys->i_no_data_ti > 120 ) )
1157     {
1158         /* FIXME Make this configurable
1159         msg_Err( p_demux, "no multicast data received in 36s, aborting" );
1160         return 0;
1161         */
1162     }
1163     else if( !p_sys->b_multicast && p_sys->b_no_data &&
1164              ( p_sys->i_no_data_ti > 34 ) )
1165     {
1166         bool b_rtsp_tcp = var_GetBool( p_demux, "rtsp-tcp" ) ||
1167                                 var_GetBool( p_demux, "rtsp-http" );
1168
1169         if( !b_rtsp_tcp && p_sys->rtsp && p_sys->ms )
1170         {
1171             msg_Warn( p_demux, "no data received in 10s. Switching to TCP" );
1172             if( RollOverTcp( p_demux ) )
1173             {
1174                 msg_Err( p_demux, "TCP rollover failed, aborting" );
1175                 return 0;
1176             }
1177             return 1;
1178         }
1179         msg_Err( p_demux, "no data received in 10s, aborting" );
1180         return 0;
1181     }
1182     else if( !p_sys->b_multicast && p_sys->i_no_data_ti > 34 )
1183     {
1184         /* EOF ? */
1185         msg_Warn( p_demux, "no data received in 10s, eof ?" );
1186         return 0;
1187     }
1188     return p_demux->b_error ? 0 : 1;
1189 }
1190
1191 /*****************************************************************************
1192  * Control:
1193  *****************************************************************************/
1194 static int Control( demux_t *p_demux, int i_query, va_list args )
1195 {
1196     demux_sys_t *p_sys = p_demux->p_sys;
1197     int64_t *pi64, i64;
1198     double  *pf, f;
1199     bool *pb, *pb2, b_bool;
1200     int *pi_int;
1201
1202     switch( i_query )
1203     {
1204         case DEMUX_GET_TIME:
1205             pi64 = (int64_t*)va_arg( args, int64_t * );
1206             if( p_sys->i_npt > 0 )
1207             {
1208                 *pi64 = (int64_t)(p_sys->i_npt * 1000000.);
1209                 return VLC_SUCCESS;
1210             }
1211             return VLC_EGENERIC;
1212
1213         case DEMUX_GET_LENGTH:
1214             pi64 = (int64_t*)va_arg( args, int64_t * );
1215             if( p_sys->i_npt_length > 0 )
1216             {
1217                 *pi64 = p_sys->i_npt_length * 1000000.0;
1218                 return VLC_SUCCESS;
1219             }
1220             return VLC_EGENERIC;
1221
1222         case DEMUX_GET_POSITION:
1223             pf = (double*)va_arg( args, double* );
1224             if( p_sys->i_npt_length > 0 && p_sys->i_npt > 0)
1225             {
1226                 *pf = ( (double)p_sys->i_npt / (double)p_sys->i_npt_length );
1227                 return VLC_SUCCESS;
1228             }
1229             return VLC_EGENERIC;
1230
1231         case DEMUX_SET_POSITION:
1232         case DEMUX_SET_TIME:
1233             if( p_sys->rtsp && p_sys->i_npt_length > 0 )
1234             {
1235                 int i;
1236                 float time;
1237
1238                 if( i_query == DEMUX_SET_TIME && p_sys->i_npt > 0 )
1239                 {
1240                     i64 = (int64_t)va_arg( args, int64_t );
1241                     time = (float)((double)i64 / (double)1000000.0); /* in second */
1242                 }
1243                 else if( i_query == DEMUX_SET_TIME )
1244                     return VLC_EGENERIC;
1245                 else
1246                 {
1247                     f = (double)va_arg( args, double );
1248                     time = f * (double)p_sys->i_npt_length;   /* in second */
1249                 }
1250
1251                 if( !p_sys->rtsp->playMediaSession( *p_sys->ms, time, -1, 1 ) )
1252                 {
1253                     msg_Err( p_demux, "PLAY failed %s",
1254                         p_sys->env->getResultMsg() );
1255                     return VLC_EGENERIC;
1256                 }
1257                 es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
1258                 p_sys->i_pcr = 0;
1259
1260                 /* Retrieve RTP-Info values */
1261                 for( i = 0; i < p_sys->i_track; i++ )
1262                 {
1263                     p_sys->track[i]->b_rtcp_sync = false;
1264                     p_sys->track[i]->i_pts = 0;
1265                 }
1266
1267                 /* Retrieve the starttime if possible */
1268                 p_sys->i_npt = p_sys->i_npt_start = p_sys->ms->playStartTime();
1269
1270                 /* Retrieve the duration if possible */
1271                 p_sys->i_npt_length = p_sys->ms->playEndTime();
1272
1273                 msg_Dbg( p_demux, "seek start: %f stop:%f", p_sys->i_npt_start, p_sys->i_npt_length );
1274                 return VLC_SUCCESS;
1275             }
1276             return VLC_EGENERIC;
1277
1278         /* Special for access_demux */
1279         case DEMUX_CAN_PAUSE:
1280         case DEMUX_CAN_SEEK:
1281             pb = (bool*)va_arg( args, bool * );
1282             if( p_sys->rtsp && p_sys->i_npt_length > 0 )
1283                 /* Not always true, but will be handled in SET_PAUSE_STATE */
1284                 *pb = true;
1285             else
1286                 *pb = false;
1287             return VLC_SUCCESS;
1288
1289         case DEMUX_CAN_CONTROL_PACE:
1290             pb = (bool*)va_arg( args, bool * );
1291
1292 #if 1       /* Disable for now until we have a clock synchro algo
1293              * which works with something else than MPEG over UDP */
1294             *pb = false;
1295 #else
1296             *pb = true;
1297 #endif
1298             return VLC_SUCCESS;
1299
1300 #if 0
1301         case DEMUX_CAN_CONTROL_RATE:
1302             pb = (bool*)va_arg( args, bool * );
1303             pb2 = (bool*)va_arg( args, bool * );
1304
1305             *pb = p_sys->rtsp != NULL && p_sys->i_npt_length > 0 && !var_GetBool( p_demux, "rtsp-kasenna" );
1306             *pb2 = false;
1307             return VLC_SUCCESS;
1308
1309         case DEMUX_SET_RATE:
1310         {
1311             double f_scale;
1312
1313             if( !p_sys->rtsp || p_sys->i_npt_length <= 0 || var_GetBool( p_demux, "rtsp-kasenna" ) )
1314                 return VLC_EGENERIC;
1315
1316             /* TODO we might want to ensure that the new rate is different from
1317              * old rate after playMediaSession...
1318              * I have no idea how the server map the requested rate to the
1319              * ones it supports.
1320              * ex:
1321              *  current is x2 we request x1.5 if the server return x2 we will
1322              *  never succeed to return to x1.
1323              *  In this case we should retry with a lower rate until we have
1324              *  one (even x1).
1325              */
1326
1327             pi_int = (int*)va_arg( args, int * );
1328             f_scale = (double)INPUT_RATE_DEFAULT / (*p_int);
1329
1330             /* Passing -1 for the start and end time will mean liveMedia won't
1331             * create a Range: section for the RTSP message. The server should
1332             * pick up from the current position */
1333             if( !p_sys->rtsp->playMediaSession( *p_sys->ms, -1, -1, f_scale ) )
1334             {
1335                 msg_Err( p_demux, "PLAY with Scale %0.2f failed %s", f_scale,
1336                         p_sys->env->getResultMsg() );
1337                 return VLC_EGENERIC;
1338             }
1339             /* ReSync the stream */
1340             p_sys->i_npt_start = 0;
1341             p_sys->i_pcr = 0;
1342             p_sys->i_npt = 0.;
1343             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
1344
1345             *pi_int = (int)( INPUT_RATE_DEFAULT / p_sys->ms->scale() + 0.5 );
1346             return VLC_SUCCESS;
1347         }
1348 #endif
1349
1350         case DEMUX_SET_PAUSE_STATE:
1351         {
1352             int i;
1353
1354             b_bool = (bool)va_arg( args, int );
1355             if( p_sys->rtsp == NULL )
1356                 return VLC_EGENERIC;
1357
1358             /* FIXME */
1359             if( ( b_bool && !p_sys->rtsp->pauseMediaSession( *p_sys->ms ) ) ||
1360                     ( !b_bool && !p_sys->rtsp->playMediaSession( *p_sys->ms,
1361                        -1 ) ) )
1362             {
1363                     msg_Err( p_demux, "PLAY or PAUSE failed %s", p_sys->env->getResultMsg() );
1364                     return VLC_EGENERIC;
1365             }
1366
1367             /* When we Pause, we'll need the TimeoutPrevention thread to
1368              * handle sending the "Keep Alive" message to the server.
1369              * Unfortunately Live555 isn't thread safe and so can't
1370              * do this normally while the main Demux thread is handling
1371              * a live stream. We end up with the Timeout thread blocking
1372              * waiting for a response from the server. So when we PAUSE
1373              * we set a flag that the TimeoutPrevention function will check
1374              * and if it's set, it will trigger the GET_PARAMETER message */
1375             if( b_bool && p_sys->p_timeout != NULL )
1376                 p_sys->p_timeout->b_handle_keep_alive = true;
1377             else if( !b_bool && p_sys->p_timeout != NULL )
1378                 p_sys->p_timeout->b_handle_keep_alive = false;
1379
1380             for( i = 0; !b_bool && i < p_sys->i_track; i++ )
1381             {
1382                 live_track_t *tk = p_sys->track[i];
1383                 tk->b_rtcp_sync = false;
1384                 tk->i_pts = 0;
1385                 p_sys->i_pcr = 0;
1386                 es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
1387             }
1388
1389             /* Retrieve the starttime if possible */
1390             p_sys->i_npt = p_sys->i_npt_start = p_sys->ms->playStartTime();
1391
1392             /* Retrieve the duration if possible */
1393             p_sys->i_npt_length = p_sys->ms->playEndTime();
1394
1395             msg_Dbg( p_demux, "pause start: %f stop:%f", p_sys->i_npt_start, p_sys->i_npt_length );
1396             return VLC_SUCCESS;
1397         }
1398         case DEMUX_GET_TITLE_INFO:
1399         case DEMUX_SET_TITLE:
1400         case DEMUX_SET_SEEKPOINT:
1401             return VLC_EGENERIC;
1402
1403         case DEMUX_GET_PTS_DELAY:
1404             pi64 = (int64_t*)va_arg( args, int64_t * );
1405             *pi64 = (int64_t)var_GetInteger( p_demux, "rtsp-caching" ) * 1000;
1406             return VLC_SUCCESS;
1407
1408         default:
1409             return VLC_EGENERIC;
1410     }
1411 }
1412
1413 /*****************************************************************************
1414  * RollOverTcp: reopen the rtsp into TCP mode
1415  * XXX: ugly, a lot of code are duplicated from Open()
1416  * This should REALLY be fixed
1417  *****************************************************************************/
1418 static int RollOverTcp( demux_t *p_demux )
1419 {
1420     demux_sys_t *p_sys = p_demux->p_sys;
1421     int i, i_return;
1422
1423     var_SetBool( p_demux, "rtsp-tcp", true );
1424
1425     /* We close the old RTSP session */
1426     for( i = 0; i < p_sys->i_track; i++ )
1427     {
1428         live_track_t *tk = p_sys->track[i];
1429
1430         if( tk->b_muxed ) stream_DemuxDelete( tk->p_out_muxed );
1431         if( tk->p_es ) es_out_Del( p_demux->out, tk->p_es );
1432         es_format_Clean( &tk->fmt );
1433         free( tk->p_buffer );
1434         free( tk );
1435     }
1436     if( p_sys->i_track ) free( p_sys->track );
1437     if( p_sys->p_out_asf ) stream_DemuxDelete( p_sys->p_out_asf );
1438
1439     p_sys->rtsp->teardownMediaSession( *p_sys->ms );
1440     Medium::close( p_sys->ms );
1441     RTSPClient::close( p_sys->rtsp );
1442
1443     p_sys->ms = NULL;
1444     p_sys->rtsp = NULL;
1445     p_sys->track = NULL;
1446     p_sys->i_track = 0;
1447
1448     /* Reopen rtsp client */
1449     if( ( i_return = Connect( p_demux ) ) != VLC_SUCCESS )
1450     {
1451         msg_Err( p_demux, "Failed to connect with rtsp://%s",
1452                  p_sys->psz_path );
1453         goto error;
1454     }
1455
1456     if( p_sys->p_sdp == NULL )
1457     {
1458         msg_Err( p_demux, "Failed to retrieve the RTSP Session Description" );
1459         goto error;
1460     }
1461
1462     if( ( i_return = SessionsSetup( p_demux ) ) != VLC_SUCCESS )
1463     {
1464         msg_Err( p_demux, "Nothing to play for rtsp://%s", p_sys->psz_path );
1465         goto error;
1466     }
1467
1468     if( ( i_return = Play( p_demux ) ) != VLC_SUCCESS )
1469         goto error;
1470
1471     return VLC_SUCCESS;
1472
1473 error:
1474     return VLC_EGENERIC;
1475 }
1476
1477
1478 /*****************************************************************************
1479  *
1480  *****************************************************************************/
1481 static void StreamRead( void *p_private, unsigned int i_size,
1482                         unsigned int i_truncated_bytes, struct timeval pts,
1483                         unsigned int duration )
1484 {
1485     live_track_t   *tk = (live_track_t*)p_private;
1486     demux_t        *p_demux = tk->p_demux;
1487     demux_sys_t    *p_sys = p_demux->p_sys;
1488     block_t        *p_block;
1489
1490     //msg_Dbg( p_demux, "pts: %d", pts.tv_sec );
1491
1492     int64_t i_pts = (int64_t)pts.tv_sec * INT64_C(1000000) +
1493         (int64_t)pts.tv_usec;
1494
1495     /* XXX Beurk beurk beurk Avoid having negative value XXX */
1496     i_pts &= INT64_C(0x00ffffffffffffff);
1497
1498     /* Retrieve NPT for this pts */
1499     tk->i_npt = tk->sub->getNormalPlayTime(pts);
1500
1501     if( tk->b_quicktime && tk->p_es == NULL )
1502     {
1503         QuickTimeGenericRTPSource *qtRTPSource =
1504             (QuickTimeGenericRTPSource*)tk->sub->rtpSource();
1505         QuickTimeGenericRTPSource::QTState &qtState = qtRTPSource->qtState;
1506         uint8_t *sdAtom = (uint8_t*)&qtState.sdAtom[4];
1507
1508         if( tk->fmt.i_cat == VIDEO_ES ) {
1509             if( qtState.sdAtomSize < 16 + 32 )
1510             {
1511                 /* invalid */
1512                 p_sys->event = 0xff;
1513                 tk->waiting = 0;
1514                 return;
1515             }
1516             tk->fmt.i_codec = VLC_FOURCC(sdAtom[0],sdAtom[1],sdAtom[2],sdAtom[3]);
1517             tk->fmt.video.i_width  = (sdAtom[28] << 8) | sdAtom[29];
1518             tk->fmt.video.i_height = (sdAtom[30] << 8) | sdAtom[31];
1519
1520             if( tk->fmt.i_codec == VLC_FOURCC('a', 'v', 'c', '1') )
1521             {
1522                 uint8_t *pos = (uint8_t*)qtRTPSource->qtState.sdAtom + 86;
1523                 uint8_t *endpos = (uint8_t*)qtRTPSource->qtState.sdAtom
1524                                   + qtRTPSource->qtState.sdAtomSize;
1525                 while (pos+8 < endpos) {
1526                     unsigned int atomLength = pos[0]<<24 | pos[1]<<16 | pos[2]<<8 | pos[3];
1527                     if( atomLength == 0 || atomLength > (unsigned int)(endpos-pos)) break;
1528                     if( memcmp(pos+4, "avcC", 4) == 0 &&
1529                         atomLength > 8 &&
1530                         atomLength <= INT_MAX )
1531                     {
1532                         tk->fmt.i_extra = atomLength-8;
1533                         tk->fmt.p_extra = malloc( tk->fmt.i_extra );
1534                         memcpy(tk->fmt.p_extra, pos+8, atomLength-8);
1535                         break;
1536                     }
1537                     pos += atomLength;
1538                 }
1539             }
1540             else
1541             {
1542                 tk->fmt.i_extra        = qtState.sdAtomSize - 16;
1543                 tk->fmt.p_extra        = malloc( tk->fmt.i_extra );
1544                 memcpy( tk->fmt.p_extra, &sdAtom[12], tk->fmt.i_extra );
1545             }
1546         }
1547         else {
1548             if( qtState.sdAtomSize < 4 )
1549             {
1550                 /* invalid */
1551                 p_sys->event = 0xff;
1552                 tk->waiting = 0;
1553                 return;
1554             }
1555             tk->fmt.i_codec = VLC_FOURCC(sdAtom[0],sdAtom[1],sdAtom[2],sdAtom[3]);
1556         }
1557         tk->p_es = es_out_Add( p_demux->out, &tk->fmt );
1558     }
1559
1560 #if 0
1561     fprintf( stderr, "StreamRead size=%d pts=%lld\n",
1562              i_size,
1563              pts.tv_sec * 1000000LL + pts.tv_usec );
1564 #endif
1565
1566     /* grow buffer if it looks like buffer is too small, but don't eat
1567      * up all the memory on strange streams */
1568     if( i_truncated_bytes > 0 && tk->i_buffer < 2000000 )
1569     {
1570         void *p_tmp;
1571         msg_Dbg( p_demux, "lost %d bytes", i_truncated_bytes );
1572         msg_Dbg( p_demux, "increasing buffer size to %d", tk->i_buffer * 2 );
1573         tk->i_buffer *= 2;
1574         p_tmp = realloc( tk->p_buffer, tk->i_buffer );
1575         if( p_tmp == NULL )
1576         {
1577             msg_Warn( p_demux, "realloc failed" );
1578         }
1579         else
1580         {
1581             tk->p_buffer = (uint8_t*)p_tmp;
1582         }
1583     }
1584     if( i_size > tk->i_buffer )
1585     {
1586         msg_Warn( p_demux, "buffer overflow" );
1587     }
1588     /* FIXME could i_size be > buffer size ? */
1589     if( tk->fmt.i_codec == VLC_FOURCC('s','a','m','r') ||
1590         tk->fmt.i_codec == VLC_FOURCC('s','a','w','b') )
1591     {
1592         AMRAudioSource *amrSource = (AMRAudioSource*)tk->sub->readSource();
1593
1594         p_block = block_New( p_demux, i_size + 1 );
1595         p_block->p_buffer[0] = amrSource->lastFrameHeader();
1596         memcpy( p_block->p_buffer + 1, tk->p_buffer, i_size );
1597     }
1598     else if( tk->fmt.i_codec == VLC_FOURCC('H','2','6','1') )
1599     {
1600         H261VideoRTPSource *h261Source = (H261VideoRTPSource*)tk->sub->rtpSource();
1601         uint32_t header = h261Source->lastSpecialHeader();
1602         p_block = block_New( p_demux, i_size + 4 );
1603         memcpy( p_block->p_buffer, &header, 4 );
1604         memcpy( p_block->p_buffer + 4, tk->p_buffer, i_size );
1605
1606         if( tk->sub->rtpSource()->curPacketMarkerBit() )
1607             p_block->i_flags |= BLOCK_FLAG_END_OF_FRAME;
1608     }
1609     else if( tk->fmt.i_codec == VLC_FOURCC('h','2','6','4') )
1610     {
1611         if( (tk->p_buffer[0] & 0x1f) >= 24 )
1612             msg_Warn( p_demux, "unsupported NAL type for H264" );
1613
1614         /* Normal NAL type */
1615         p_block = block_New( p_demux, i_size + 4 );
1616         p_block->p_buffer[0] = 0x00;
1617         p_block->p_buffer[1] = 0x00;
1618         p_block->p_buffer[2] = 0x00;
1619         p_block->p_buffer[3] = 0x01;
1620         memcpy( &p_block->p_buffer[4], tk->p_buffer, i_size );
1621     }
1622     else if( tk->b_asf )
1623     {
1624         int i_copy = __MIN( p_sys->asfh.i_min_data_packet_size, (int)i_size );
1625         p_block = block_New( p_demux, p_sys->asfh.i_min_data_packet_size );
1626
1627         memcpy( p_block->p_buffer, tk->p_buffer, i_copy );
1628     }
1629     else
1630     {
1631         p_block = block_New( p_demux, i_size );
1632         memcpy( p_block->p_buffer, tk->p_buffer, i_size );
1633     }
1634
1635     if( p_sys->i_pcr < i_pts )
1636     {
1637         p_sys->i_pcr = i_pts;
1638     }
1639
1640     if( (i_pts != tk->i_pts) && (!tk->b_muxed) )
1641     {
1642         p_block->i_pts = i_pts;
1643     }
1644
1645     /* Update our global npt value */
1646     if( tk->i_npt > 0 && tk->i_npt > p_sys->i_npt && tk->i_npt < p_sys->i_npt_length)
1647         p_sys->i_npt = tk->i_npt;
1648
1649     if( !tk->b_muxed )
1650     {
1651         /*FIXME: for h264 you should check that packetization-mode=1 in sdp-file */
1652         p_block->i_dts = ( tk->fmt.i_codec == VLC_FOURCC( 'm', 'p', 'g', 'v' ) ) ? 0 : i_pts;
1653     }
1654
1655     if( tk->b_muxed )
1656     {
1657         stream_DemuxSend( tk->p_out_muxed, p_block );
1658     }
1659     else if( tk->b_asf )
1660     {
1661         stream_DemuxSend( p_sys->p_out_asf, p_block );
1662     }
1663     else
1664     {
1665         es_out_Send( p_demux->out, tk->p_es, p_block );
1666     }
1667
1668     /* warn that's ok */
1669     p_sys->event = 0xff;
1670
1671     /* we have read data */
1672     tk->waiting = 0;
1673     p_demux->p_sys->b_no_data = false;
1674     p_demux->p_sys->i_no_data_ti = 0;
1675
1676     if( i_pts > 0 && !tk->b_muxed )
1677     {
1678         tk->i_pts = i_pts;
1679     }
1680 }
1681
1682 /*****************************************************************************
1683  *
1684  *****************************************************************************/
1685 static void StreamClose( void *p_private )
1686 {
1687     live_track_t   *tk = (live_track_t*)p_private;
1688     demux_t        *p_demux = tk->p_demux;
1689     demux_sys_t    *p_sys = p_demux->p_sys;
1690
1691     msg_Dbg( p_demux, "StreamClose" );
1692
1693     p_sys->event = 0xff;
1694     p_demux->b_error = true;
1695 }
1696
1697
1698 /*****************************************************************************
1699  *
1700  *****************************************************************************/
1701 static void TaskInterrupt( void *p_private )
1702 {
1703     demux_t *p_demux = (demux_t*)p_private;
1704
1705     p_demux->p_sys->i_no_data_ti++;
1706
1707     /* Avoid lock */
1708     p_demux->p_sys->event = 0xff;
1709 }
1710
1711 /*****************************************************************************
1712  *
1713  *****************************************************************************/
1714 static void* TimeoutPrevention( vlc_object_t * p_this )
1715 {
1716     timeout_thread_t *p_timeout = (timeout_thread_t *)p_this;
1717     int64_t i_remain = (int64_t)p_timeout->p_sys->i_timeout - 2;
1718
1719     i_remain *= 1000000;
1720
1721     int canc = vlc_savecancel ();
1722     /* Avoid lock */
1723     while( vlc_object_alive (p_timeout) )
1724     {
1725         if( i_remain <= 0 )
1726         {
1727             char *psz_bye = NULL;
1728             i_remain = (int64_t)p_timeout->p_sys->i_timeout -2;
1729             i_remain *= 1000000;
1730             msg_Dbg( p_timeout, "reset the timeout timer" );
1731             if( p_timeout->b_handle_keep_alive == true )
1732             {
1733                 p_timeout->p_sys->rtsp->getMediaSessionParameter( *p_timeout->p_sys->ms, NULL, psz_bye );
1734                 p_timeout->p_sys->b_timeout_call = false;
1735             }
1736             else
1737             {
1738                 p_timeout->p_sys->b_timeout_call = true;
1739             }
1740         }
1741         i_remain -= 200000;
1742         msleep( 200000 ); /* 200 ms */
1743     }
1744     vlc_restorecancel (canc);
1745 }
1746
1747 /*****************************************************************************
1748  *
1749  *****************************************************************************/
1750 static int b64_decode( char *dest, char *src );
1751
1752 static int ParseASF( demux_t *p_demux )
1753 {
1754     demux_sys_t    *p_sys = p_demux->p_sys;
1755
1756     const char *psz_marker = "a=pgmpu:data:application/vnd.ms.wms-hdr.asfv1;base64,";
1757     char *psz_asf = strcasestr( p_sys->p_sdp, psz_marker );
1758     char *psz_end;
1759     block_t *p_header;
1760
1761     /* Parse the asf header */
1762     if( psz_asf == NULL )
1763         return VLC_EGENERIC;
1764
1765     psz_asf += strlen( psz_marker );
1766     psz_asf = strdup( psz_asf );    /* Duplicate it */
1767     psz_end = strchr( psz_asf, '\n' );
1768
1769     while( psz_end > psz_asf && ( *psz_end == '\n' || *psz_end == '\r' ) )
1770         *psz_end-- = '\0';
1771
1772     if( psz_asf >= psz_end )
1773     {
1774         free( psz_asf );
1775         return VLC_EGENERIC;
1776     }
1777
1778     /* Always smaller */
1779     p_header = block_New( p_demux, psz_end - psz_asf );
1780     p_header->i_buffer = b64_decode( (char*)p_header->p_buffer, psz_asf );
1781     //msg_Dbg( p_demux, "Size=%d Hdrb64=%s", p_header->i_buffer, psz_asf );
1782     if( p_header->i_buffer <= 0 )
1783     {
1784         free( psz_asf );
1785         return VLC_EGENERIC;
1786     }
1787
1788     /* Parse it to get packet size */
1789     asf_HeaderParse( &p_sys->asfh, p_header->p_buffer, p_header->i_buffer );
1790
1791     /* Send it to demuxer */
1792     stream_DemuxSend( p_sys->p_out_asf, p_header );
1793
1794     free( psz_asf );
1795     return VLC_SUCCESS;
1796 }
1797
1798
1799 static unsigned char* parseH264ConfigStr( char const* configStr,
1800                                           unsigned int& configSize )
1801 {
1802     char *dup, *psz;
1803     int i, i_records = 1;
1804
1805     if( configSize )
1806     configSize = 0;
1807
1808     if( configStr == NULL || *configStr == '\0' )
1809         return NULL;
1810
1811     psz = dup = strdup( configStr );
1812
1813     /* Count the number of comma's */
1814     for( psz = dup; *psz != '\0'; ++psz )
1815     {
1816         if( *psz == ',')
1817         {
1818             ++i_records;
1819             *psz = '\0';
1820         }
1821     }
1822
1823     unsigned char *cfg = new unsigned char[5 * strlen(dup)];
1824     psz = dup;
1825     for( i = 0; i < i_records; i++ )
1826     {
1827         cfg[configSize++] = 0x00;
1828         cfg[configSize++] = 0x00;
1829         cfg[configSize++] = 0x00;
1830         cfg[configSize++] = 0x01;
1831
1832         configSize += b64_decode( (char*)&cfg[configSize], psz );
1833         psz += strlen(psz)+1;
1834     }
1835
1836     free( dup );
1837     return cfg;
1838 }
1839
1840 /*char b64[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";*/
1841 static int b64_decode( char *dest, char *src )
1842 {
1843     const char *dest_start = dest;
1844     int  i_level;
1845     int  last = 0;
1846     int  b64[256] = {
1847         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* 00-0F */
1848         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* 10-1F */
1849         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,62,-1,-1,-1,63,  /* 20-2F */
1850         52,53,54,55,56,57,58,59,60,61,-1,-1,-1,-1,-1,-1,  /* 30-3F */
1851         -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10,11,12,13,14,  /* 40-4F */
1852         15,16,17,18,19,20,21,22,23,24,25,-1,-1,-1,-1,-1,  /* 50-5F */
1853         -1,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,  /* 60-6F */
1854         41,42,43,44,45,46,47,48,49,50,51,-1,-1,-1,-1,-1,  /* 70-7F */
1855         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* 80-8F */
1856         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* 90-9F */
1857         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* A0-AF */
1858         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* B0-BF */
1859         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* C0-CF */
1860         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* D0-DF */
1861         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* E0-EF */
1862         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1   /* F0-FF */
1863         };
1864
1865     for( i_level = 0; *src != '\0'; src++ )
1866     {
1867         int  c;
1868
1869         c = b64[(unsigned int)*src];
1870         if( c == -1 )
1871         {
1872             continue;
1873         }
1874
1875         switch( i_level )
1876         {
1877             case 0:
1878                 i_level++;
1879                 break;
1880             case 1:
1881                 *dest++ = ( last << 2 ) | ( ( c >> 4)&0x03 );
1882                 i_level++;
1883                 break;
1884             case 2:
1885                 *dest++ = ( ( last << 4 )&0xf0 ) | ( ( c >> 2 )&0x0f );
1886                 i_level++;
1887                 break;
1888             case 3:
1889                 *dest++ = ( ( last &0x03 ) << 6 ) | c;
1890                 i_level = 0;
1891         }
1892         last = c;
1893     }
1894
1895     *dest = '\0';
1896
1897     return dest - dest_start;
1898 }