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

   1 /*****************************************************************************
   2  * live555.cpp : LIVE555 Streaming Media support.
   3  *****************************************************************************
   4  * Copyright (C) 2003-2006 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Laurent Aimar <fenrir@via.ecp.fr>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  22  *****************************************************************************/
  23
  24 /*****************************************************************************
  25  * Preamble
  26  *****************************************************************************/
  27 #include <stdlib.h>                                      /* malloc(), free() */
  28
  29 #include <vlc/vlc.h>
  30 #include <vlc/input.h>
  31 #include "network.h"
  32
  33 #include <iostream>
  34
  35 #if defined( WIN32 )
  36 #   include <winsock2.h>
  37 #endif
  38
  39 #include "BasicUsageEnvironment.hh"
  40 #include "GroupsockHelper.hh"
  41 #include "liveMedia.hh"
  42
  43 extern "C" {
  44 #include "../access/mms/asf.h"  /* Who said ugly ? */
  45 }
  46
  47 #if (LIVEMEDIA_LIBRARY_VERSION_INT < 1089936000)
  48 #define RECLAIM_ENV(env) delete (env)
  49 #else
  50 #define RECLAIM_ENV(env) (env)->reclaim()
  51 #endif
  52
  53 using namespace std;
  54
  55 /*****************************************************************************
  56  * Module descriptor
  57  *****************************************************************************/
  58 static int  Open ( vlc_object_t * );
  59 static void Close( vlc_object_t * );
  60
  61 #define CACHING_TEXT N_("Caching value (ms)")
  62 #define CACHING_LONGTEXT N_( \
  63     "Allows you to modify the default caching value for RTSP streams. This " \
  64     "value should be set in millisecond units." )
  65
  66 #define KASENNA_TEXT N_( "Kasenna RTSP dialect")
  67 #define KASENNA_LONGTEXT N_( "Kasenna servers use an old and unstandard " \
  68     "dialect of RTSP. When you set this parameter, VLC will try this dialect "\
  69     "for communication. In this mode you cannot connect to normal RTSP servers." )
  70
  71 #define USER_TEXT N_("RTSP user name")
  72 #define USER_LONGTEXT N_("Allows you to modify the user name that will " \
  73     "be used for authenticating the connection.")
  74 #define PASS_TEXT N_("RTSP password")
  75 #define PASS_LONGTEXT N_("Allows you to modify the password that will be " \
  76     "used for the connection.")
  77
  78 vlc_module_begin();
  79     set_description( _("RTP/RTSP/SDP demuxer (using Live555)" ) );
  80     set_capability( "demux2", 50 );
  81     set_shortname( "RTP/RTSP");
  82     set_callbacks( Open, Close );
  83     add_shortcut( "live" );
  84     add_shortcut( "livedotcom" );
  85     set_category( CAT_INPUT );
  86     set_subcategory( SUBCAT_INPUT_DEMUX );
  87
  88     add_submodule();
  89         set_description( _("RTSP/RTP access and demux") );
  90         add_shortcut( "rtsp" );
  91         add_shortcut( "sdp" );
  92         set_capability( "access_demux", 0 );
  93         set_callbacks( Open, Close );
  94         add_bool( "rtsp-tcp", 0, NULL,
  95                   N_("Use RTP over RTSP (TCP)"),
  96                   N_("Use RTP over RTSP (TCP)"), VLC_TRUE );
  97         add_integer( "rtp-client-port", -1, NULL,
  98                   N_("Client port"),
  99                   N_("Port to use for the RTP source of the session"), VLC_TRUE );
 100 #if LIVEMEDIA_LIBRARY_VERSION_INT > 1130457500
 101         add_bool( "rtsp-http", 0, NULL,
 102                   N_("Tunnel RTSP and RTP over HTTP"),
 103                   N_("Tunnel RTSP and RTP over HTTP"), VLC_TRUE );
 104         add_integer( "rtsp-http-port", 80, NULL,
 105                   N_("HTTP tunnel port"),
 106                   N_("Port to use for tunneling the RTSP/RTP over HTTP."),
 107                   VLC_TRUE );
 108 #endif
 109         add_integer( "rtsp-caching", 4 * DEFAULT_PTS_DELAY / 1000, NULL,
 110                   CACHING_TEXT, CACHING_LONGTEXT, VLC_TRUE );
 111         add_bool( "rtsp-kasenna", VLC_FALSE, NULL, KASENNA_TEXT,
 112                   KASENNA_LONGTEXT, VLC_TRUE );
 113         add_string( "rtsp-user", NULL, NULL, USER_TEXT,
 114                 USER_LONGTEXT, VLC_TRUE );
 115         add_string( "rtsp-pwd", NULL, NULL, PASS_TEXT,
 116                 PASS_LONGTEXT, VLC_TRUE );
 117 vlc_module_end();
 118
 119 /* TODO:
 120  *  - Improve support of PS/TS
 121  *  - Support X-QT/X-QUICKTIME generic codec for audio.
 122  *
 123  *  - Check memory leak, delete/free -> still one when using rtsp-tcp but I'm
 124  *  not sure if it comes from me.
 125  *
 126  */
 127
 128 /*****************************************************************************
 129  * Local prototypes
 130  *****************************************************************************/
 131
 132 typedef struct
 133 {
 134     demux_t     *p_demux;
 135
 136     vlc_bool_t   b_quicktime;
 137     vlc_bool_t   b_muxed;
 138     vlc_bool_t   b_asf;
 139
 140     es_format_t  fmt;
 141     es_out_id_t  *p_es;
 142
 143     stream_t     *p_out_muxed;    /* for muxed stream */
 144
 145     RTPSource    *rtpSource;
 146     FramedSource *readSource;
 147     vlc_bool_t   b_rtcp_sync;
 148
 149     uint8_t      *p_buffer;
 150     unsigned int  i_buffer;
 151
 152     char         waiting;
 153
 154     mtime_t      i_pts;
 155
 156 } live_track_t;
 157
 158 struct timeout_thread_t
 159 {
 160     VLC_COMMON_MEMBERS
 161
 162     int64_t      i_remain;
 163     demux_sys_t  *p_sys;
 164 };
 165
 166 struct demux_sys_t
 167 {
 168     char         *p_sdp;    /* XXX mallocated */
 169     char         *psz_path; /* URL-encoded path */
 170
 171     MediaSession     *ms;
 172     TaskScheduler    *scheduler;
 173     UsageEnvironment *env ;
 174     RTSPClient       *rtsp;
 175
 176     /* */
 177     int              i_track;
 178     live_track_t     **track;   /* XXX mallocated */
 179     mtime_t          i_pcr;
 180     mtime_t          i_pcr_start;
 181     mtime_t          i_pcr_previous;
 182     mtime_t          i_pcr_repeatdate;
 183     int              i_pcr_repeats;
 184
 185     /* Asf */
 186     asf_header_t     asfh;
 187     stream_t         *p_out_asf;
 188
 189     /* */
 190     mtime_t          i_length;
 191     mtime_t          i_start;
 192
 193     /* timeout thread information */
 194     int              i_timeout;     /* session timeout value in seconds */
 195     vlc_bool_t       b_timeout_call;/* mark to send an RTSP call to prevent server timeout */
 196     timeout_thread_t *p_timeout;    /* the actual thread that makes sure we don't timeout */
 197
 198     /* */
 199     vlc_bool_t       b_multicast;   /* true if one of the tracks is multicasted */
 200     vlc_bool_t       b_no_data;     /* true if we never receive any data */
 201     int              i_no_data_ti;  /* consecutive number of TaskInterrupt */
 202
 203     char             event;
 204 };
 205
 206 static int Demux  ( demux_t * );
 207 static int Control( demux_t *, int, va_list );
 208
 209 static int ParseASF( demux_t * );
 210 static int RollOverTcp( demux_t * );
 211
 212 static void StreamRead( void *, unsigned int, unsigned int,
 213                         struct timeval, unsigned int );
 214 static void StreamClose( void * );
 215 static void TaskInterrupt( void * );
 216
 217 static void TimeoutPrevention( timeout_thread_t * );
 218
 219 #if LIVEMEDIA_LIBRARY_VERSION_INT >= 1117756800
 220 static unsigned char* parseH264ConfigStr( char const* configStr,
 221                                           unsigned int& configSize );
 222 #endif
 223
 224 /*****************************************************************************
 225  * DemuxOpen:
 226  *****************************************************************************/
 227 static int  Open ( vlc_object_t *p_this )
 228 {
 229     demux_t     *p_demux = (demux_t*)p_this;
 230     demux_sys_t *p_sys = NULL;
 231
 232     MediaSubsessionIterator *iter;
 233     MediaSubsession *sub;
 234
 235     vlc_bool_t b_rtsp_tcp;
 236     uint8_t *p_peek;
 237
 238     char    *psz_user = NULL;
 239     char    *psz_pwd  = NULL;
 240
 241     int     i_sdp;
 242     int     i_sdp_max;
 243     uint8_t *p_sdp;
 244
 245     if( p_demux->s )
 246     {
 247         /* See if it looks like a SDP
 248            v, o, s fields are mandatory and in this order */
 249         if( stream_Peek( p_demux->s, &p_peek, 7 ) < 7 ) return VLC_EGENERIC;
 250
 251         if( memcmp( (char*)p_peek, "v=0\r\n", 5 ) &&
 252             memcmp( (char*)p_peek, "v=0\n", 4 ) &&
 253             ( p_peek[0] < 'a' || p_peek[0] > 'z' || p_peek[1] != '=' ) )
 254         {
 255             return VLC_EGENERIC;
 256         }
 257     }
 258     else
 259     {
 260         var_Create( p_demux, "rtsp-caching", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
 261     }
 262
 263     p_demux->pf_demux  = Demux;
 264     p_demux->pf_control= Control;
 265     p_demux->p_sys     = p_sys = (demux_sys_t*)malloc( sizeof( demux_sys_t ) );
 266     if( !p_sys ) return VLC_ENOMEM;
 267
 268     p_sys->p_sdp = NULL;
 269     p_sys->scheduler = NULL;
 270     p_sys->env = NULL;
 271     p_sys->ms = NULL;
 272     p_sys->rtsp = NULL;
 273     p_sys->i_track = 0;
 274     p_sys->track   = NULL;
 275     p_sys->i_pcr   = 0;
 276     p_sys->i_pcr_start = 0;
 277     p_sys->i_pcr_previous = 0;
 278     p_sys->i_pcr_repeatdate = 0;
 279     p_sys->i_pcr_repeats = 0;
 280     p_sys->i_length = 0;
 281     p_sys->i_start = 0;
 282     p_sys->p_out_asf = NULL;
 283     p_sys->b_no_data = VLC_TRUE;
 284     p_sys->i_no_data_ti = 0;
 285     p_sys->p_timeout = NULL;
 286     p_sys->i_timeout = 0;
 287     p_sys->b_timeout_call = VLC_FALSE;
 288     p_sys->b_multicast = VLC_FALSE;
 289     p_sys->psz_path = strdup(p_demux->psz_path);
 290
 291
 292     if( ( p_sys->scheduler = BasicTaskScheduler::createNew() ) == NULL )
 293     {
 294         msg_Err( p_demux, "BasicTaskScheduler::createNew failed" );
 295         goto error;
 296     }
 297     if( !( p_sys->env = BasicUsageEnvironment::createNew(*p_sys->scheduler) ) )
 298     {
 299         msg_Err( p_demux, "BasicUsageEnvironment::createNew failed" );
 300         goto error;
 301     }
 302
 303     if( strcasecmp( p_demux->psz_access, "sdp" ) )
 304     {
 305         char *p = p_sys->psz_path;
 306         while( (p = strchr( p, ' ' )) != NULL ) *p = '+';
 307     }
 308
 309     if( p_demux->s == NULL && !strcasecmp( p_demux->psz_access, "rtsp" ) )
 310     {
 311         char *psz_url;
 312         char *psz_options;
 313 #if LIVEMEDIA_LIBRARY_VERSION_INT > 1130457500
 314         int i_http_port = 0;
 315
 316         if( var_CreateGetBool( p_demux, "rtsp-http" ) )
 317             i_http_port = var_CreateGetInteger( p_demux, "rtsp-http-port" );
 318
 319         if( ( p_sys->rtsp = RTSPClient::createNew(*p_sys->env, 1/*verbose*/,
 320               "VLC media player", i_http_port ) ) == NULL )
 321 #else
 322         if( ( p_sys->rtsp = RTSPClient::createNew(*p_sys->env, 1/*verbose*/,
 323               "VLC media player" ) ) == NULL )
 324 #endif
 325         {
 326             msg_Err( p_demux, "RTSPClient::createNew failed (%s)",
 327                      p_sys->env->getResultMsg() );
 328             goto error;
 329         }
 330         psz_url = (char*)malloc( strlen( p_sys->psz_path ) + 8 );
 331         sprintf( psz_url, "rtsp://%s", p_sys->psz_path );
 332
 333         psz_options = p_sys->rtsp->sendOptionsCmd( psz_url );
 334         if( psz_options ) delete [] psz_options;
 335
 336         psz_user = var_CreateGetString( p_demux, "rtsp-user" );
 337         psz_pwd  = var_CreateGetString( p_demux, "rtsp-pwd" );
 338
 339         if ((*psz_user) && (*psz_pwd))
 340             p_sdp = (uint8_t*)p_sys->rtsp->describeWithPassword( psz_url,
 341                                psz_user, psz_pwd);
 342         else
 343             p_sdp = (uint8_t*)p_sys->rtsp->describeURL( psz_url,
 344                                NULL, var_CreateGetBool( p_demux, "rtsp-kasenna" ) );
 345         if( p_sdp == NULL )
 346         {
 347             msg_Err( p_demux, "describeURL failed (%s)",
 348                      p_sys->env->getResultMsg() );
 349             free( psz_url );
 350             goto error;
 351         }
 352         free( psz_url );
 353         free( psz_user );
 354         free( psz_pwd );
 355
 356         /* malloc-ated copy */
 357         p_sys->p_sdp = strdup( (char*)p_sdp );
 358         delete[] p_sdp;
 359         msg_Dbg( p_demux, "sdp=%s\n", p_sys->p_sdp );
 360     }
 361     else if( p_demux->s == NULL && !strcasecmp( p_demux->psz_access, "sdp" ) )
 362     {
 363         p_sys->p_sdp = strdup( p_sys->psz_path );
 364     }
 365     else
 366     {
 367         /* Gather the complete sdp file */
 368         i_sdp = 0;
 369         i_sdp_max = 1000;
 370         p_sdp = (uint8_t*)malloc( i_sdp_max );
 371         for( ;; )
 372         {
 373             int i_read = stream_Read( p_demux->s, &p_sdp[i_sdp],
 374                                       i_sdp_max - i_sdp - 1 );
 375
 376             if( i_read < 0 )
 377             {
 378                 msg_Err( p_demux, "failed to read SDP" );
 379                 free( p_sys );
 380                 return VLC_EGENERIC;
 381             }
 382
 383             i_sdp += i_read;
 384
 385             if( i_read < i_sdp_max - i_sdp - 1 )
 386             {
 387                 p_sdp[i_sdp] = '\0';
 388                 break;
 389             }
 390
 391             i_sdp_max += 1000;
 392             p_sdp = (uint8_t*)realloc( p_sdp, i_sdp_max );
 393         }
 394         p_sys->p_sdp = (char*)p_sdp;
 395
 396         msg_Dbg( p_demux, "sdp=%s\n", p_sys->p_sdp );
 397     }
 398     if( !( p_sys->ms = MediaSession::createNew( *p_sys->env, p_sys->p_sdp ) ) )
 399     {
 400         msg_Err( p_demux, "MediaSession::createNew failed" );
 401         goto error;
 402     }
 403
 404     b_rtsp_tcp = var_CreateGetBool( p_demux, "rtsp-tcp" );
 405
 406     /* Initialise each media subsession */
 407     iter = new MediaSubsessionIterator( *p_sys->ms );
 408     while( ( sub = iter->next() ) != NULL )
 409     {
 410         unsigned int i_buffer = 0;
 411         Boolean bInit;
 412         int i_client_port;
 413
 414         i_client_port = var_CreateGetInteger( p_demux, "rtp-client-port" );
 415         if( i_client_port != -1 )
 416             sub->setClientPortNum( i_client_port );
 417
 418         /* Value taken from mplayer */
 419         if( !strcmp( sub->mediumName(), "audio" ) )
 420             i_buffer = 100000;
 421         else if( !strcmp( sub->mediumName(), "video" ) )
 422             i_buffer = 2000000;
 423         else
 424             continue;
 425
 426         if( !strcmp( sub->codecName(), "X-ASF-PF" ) )
 427             bInit = sub->initiate( 4 ); /* Constant ? */
 428         else
 429             bInit = sub->initiate();
 430
 431         if( strcasestr( sub->codecName(), "REAL" ) )
 432         {
 433             msg_Info( p_demux, "real codec detected, using real-RTSP instead" );
 434             delete iter;
 435             goto error;
 436         }
 437
 438         if( !bInit )
 439         {
 440             msg_Warn( p_demux, "RTP subsession '%s/%s' failed (%s)",
 441                       sub->mediumName(), sub->codecName(),
 442                       p_sys->env->getResultMsg() );
 443         }
 444         else
 445         {
 446             if( sub->rtpSource() )
 447             {
 448                 int fd = sub->rtpSource()->RTPgs()->socketNum();
 449                 /* Increase the buffer size */
 450                 increaseReceiveBufferTo( *p_sys->env, fd, i_buffer );
 451             }
 452
 453             msg_Dbg( p_demux, "RTP subsession '%s/%s'", sub->mediumName(),
 454                      sub->codecName() );
 455
 456             /* Issue the SETUP */
 457             if( p_sys->rtsp )
 458             {
 459                 p_sys->rtsp->setupMediaSubsession( *sub, False,
 460                                                    b_rtsp_tcp ? True : False );
 461             }
 462             if( !p_sys->b_multicast )
 463             {
 464                 /* Check, because we need diff. rollover behaviour for multicast */
 465                 p_sys->b_multicast = IsMulticastAddress( sub->connectionEndpointAddress() );
 466             }
 467         }
 468     }
 469
 470     if( p_sys->rtsp )
 471     {
 472         /* The PLAY */
 473         if( !p_sys->rtsp->playMediaSession( *p_sys->ms ) )
 474         {
 475             msg_Err( p_demux, "PLAY failed %s", p_sys->env->getResultMsg() );
 476             delete iter;
 477             goto error;
 478         }
 479
 480         /* Retrieve the timeout value and set up a timeout prevention thread */
 481 #if LIVEMEDIA_LIBRARY_VERSION_INT >= 1138089600
 482         p_sys->i_timeout = p_sys->rtsp->sessionTimeoutParameter();
 483 #endif
 484         if( p_sys->i_timeout > 0 )
 485         {
 486             msg_Dbg( p_demux, "We have a timeout of %d seconds",  p_sys->i_timeout );
 487             p_sys->p_timeout = (timeout_thread_t *)vlc_object_create( p_demux, sizeof(timeout_thread_t) );
 488             p_sys->p_timeout->p_sys = p_demux->p_sys; /* lol, object recursion :D */
 489             if( vlc_thread_create( p_sys->p_timeout, "liveMedia-timeout", TimeoutPrevention,
 490                                    VLC_THREAD_PRIORITY_LOW, VLC_TRUE ) )
 491             {
 492                 msg_Err( p_demux, "cannot spawn liveMedia timeout thread" );
 493                 delete iter;
 494                 vlc_object_destroy( p_sys->p_timeout );
 495                 goto error;
 496             }
 497             msg_Dbg( p_demux, "spawned timeout thread" );
 498             vlc_object_attach( p_sys->p_timeout, p_demux );
 499         }
 500     }
 501
 502     /* Create all es struct */
 503     iter->reset();
 504     while( ( sub = iter->next() ) != NULL )
 505     {
 506         live_track_t *tk;
 507
 508         if( sub->readSource() == NULL ) continue;
 509
 510         tk = (live_track_t*)malloc( sizeof( live_track_t ) );
 511         tk->p_demux = p_demux;
 512         tk->waiting = 0;
 513         tk->i_pts   = 0;
 514         tk->b_quicktime = VLC_FALSE;
 515         tk->b_muxed     = VLC_FALSE;
 516         tk->b_asf       = VLC_FALSE;
 517         tk->b_rtcp_sync = VLC_FALSE;
 518         tk->p_out_muxed = NULL;
 519         tk->p_es        = NULL;
 520         tk->i_buffer    = 65536;
 521         tk->p_buffer    = (uint8_t *)malloc( 65536 );
 522
 523         /* Value taken from mplayer */
 524         if( !strcmp( sub->mediumName(), "audio" ) )
 525         {
 526             es_format_Init( &tk->fmt, AUDIO_ES, VLC_FOURCC('u','n','d','f') );
 527             tk->fmt.audio.i_channels = sub->numChannels();
 528             tk->fmt.audio.i_rate = sub->rtpTimestampFrequency();
 529
 530             if( !strcmp( sub->codecName(), "MPA" ) ||
 531                 !strcmp( sub->codecName(), "MPA-ROBUST" ) ||
 532                 !strcmp( sub->codecName(), "X-MP3-DRAFT-00" ) )
 533             {
 534                 tk->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'a' );
 535                 tk->fmt.audio.i_rate = 0;
 536             }
 537             else if( !strcmp( sub->codecName(), "AC3" ) )
 538             {
 539                 tk->fmt.i_codec = VLC_FOURCC( 'a', '5', '2', ' ' );
 540                 tk->fmt.audio.i_rate = 0;
 541             }
 542             else if( !strcmp( sub->codecName(), "L16" ) )
 543             {
 544                 tk->fmt.i_codec = VLC_FOURCC( 't', 'w', 'o', 's' );
 545                 tk->fmt.audio.i_bitspersample = 16;
 546             }
 547             else if( !strcmp( sub->codecName(), "L8" ) )
 548             {
 549                 tk->fmt.i_codec = VLC_FOURCC( 'a', 'r', 'a', 'w' );
 550                 tk->fmt.audio.i_bitspersample = 8;
 551             }
 552             else if( !strcmp( sub->codecName(), "PCMU" ) )
 553             {
 554                 tk->fmt.i_codec = VLC_FOURCC( 'u', 'l', 'a', 'w' );
 555             }
 556             else if( !strcmp( sub->codecName(), "PCMA" ) )
 557             {
 558                 tk->fmt.i_codec = VLC_FOURCC( 'a', 'l', 'a', 'w' );
 559             }
 560             else if( !strncmp( sub->codecName(), "G726", 4 ) )
 561             {
 562                 tk->fmt.i_codec = VLC_FOURCC( 'g', '7', '2', '6' );
 563                 tk->fmt.audio.i_rate = 8000;
 564                 tk->fmt.audio.i_channels = 1;
 565                 if( !strcmp( sub->codecName()+5, "40" ) )
 566                     tk->fmt.i_bitrate = 40000;
 567                 else if( !strcmp( sub->codecName()+5, "32" ) )
 568                     tk->fmt.i_bitrate = 32000;
 569                 else if( !strcmp( sub->codecName()+5, "24" ) )
 570                     tk->fmt.i_bitrate = 24000;
 571                 else if( !strcmp( sub->codecName()+5, "16" ) )
 572                     tk->fmt.i_bitrate = 16000;
 573             }
 574             else if( !strcmp( sub->codecName(), "AMR" ) )
 575             {
 576                 tk->fmt.i_codec = VLC_FOURCC( 's', 'a', 'm', 'r' );
 577             }
 578             else if( !strcmp( sub->codecName(), "AMR-WB" ) )
 579             {
 580                 tk->fmt.i_codec = VLC_FOURCC( 's', 'a', 'w', 'b' );
 581             }
 582             else if( !strcmp( sub->codecName(), "MP4A-LATM" ) )
 583             {
 584                 unsigned int i_extra;
 585                 uint8_t      *p_extra;
 586
 587                 tk->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'a' );
 588
 589                 if( ( p_extra = parseStreamMuxConfigStr( sub->fmtp_config(),
 590                                                          i_extra ) ) )
 591                 {
 592                     tk->fmt.i_extra = i_extra;
 593                     tk->fmt.p_extra = malloc( i_extra );
 594                     memcpy( tk->fmt.p_extra, p_extra, i_extra );
 595                     delete[] p_extra;
 596                 }
 597
 598 #if LIVEMEDIA_LIBRARY_VERSION_INT >= 1141257600
 599                 /* Because the "faad" decoder does not handle the LATM data length field
 600                    at the start of each returned LATM frame, tell the RTP source to omit it. */
 601                 ((MPEG4LATMAudioRTPSource*)sub->rtpSource())->omitLATMDataLengthField();
 602 #endif
 603             }
 604             else if( !strcmp( sub->codecName(), "MPEG4-GENERIC" ) )
 605             {
 606                 unsigned int i_extra;
 607                 uint8_t      *p_extra;
 608
 609                 tk->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'a' );
 610
 611                 if( ( p_extra = parseGeneralConfigStr( sub->fmtp_config(),
 612                                                        i_extra ) ) )
 613                 {
 614                     tk->fmt.i_extra = i_extra;
 615                     tk->fmt.p_extra = malloc( i_extra );
 616                     memcpy( tk->fmt.p_extra, p_extra, i_extra );
 617                     delete[] p_extra;
 618                 }
 619             }
 620             else if( !strcmp( sub->codecName(), "X-ASF-PF" ) )
 621             {
 622                 tk->b_asf = VLC_TRUE;
 623                 if( p_sys->p_out_asf == NULL )
 624                     p_sys->p_out_asf = stream_DemuxNew( p_demux, "asf",
 625                                                         p_demux->out );
 626             }
 627         }
 628         else if( !strcmp( sub->mediumName(), "video" ) )
 629         {
 630             es_format_Init( &tk->fmt, VIDEO_ES, VLC_FOURCC('u','n','d','f') );
 631             if( !strcmp( sub->codecName(), "MPV" ) )
 632             {
 633                 tk->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'v' );
 634             }
 635             else if( !strcmp( sub->codecName(), "H263" ) ||
 636                      !strcmp( sub->codecName(), "H263-1998" ) ||
 637                      !strcmp( sub->codecName(), "H263-2000" ) )
 638             {
 639                 tk->fmt.i_codec = VLC_FOURCC( 'H', '2', '6', '3' );
 640             }
 641             else if( !strcmp( sub->codecName(), "H261" ) )
 642             {
 643                 tk->fmt.i_codec = VLC_FOURCC( 'H', '2', '6', '1' );
 644             }
 645             else if( !strcmp( sub->codecName(), "H264" ) )
 646             {
 647 #if LIVEMEDIA_LIBRARY_VERSION_INT >= 1117756800
 648                 unsigned int i_extra = 0;
 649                 uint8_t      *p_extra = NULL;
 650 #endif
 651                 tk->fmt.i_codec = VLC_FOURCC( 'H', '2', '6', '4' );
 652                 tk->fmt.b_packetized = VLC_FALSE;
 653
 654                 /* XXX not the right minimal version I fear */
 655 #if LIVEMEDIA_LIBRARY_VERSION_INT >= 1117756800
 656                 if((p_extra=parseH264ConfigStr( sub->fmtp_spropparametersets(),
 657                                                 i_extra ) ) )
 658                 {
 659                     tk->fmt.i_extra = i_extra;
 660                     tk->fmt.p_extra = malloc( i_extra );
 661                     memcpy( tk->fmt.p_extra, p_extra, i_extra );
 662
 663                     delete[] p_extra;
 664                 }
 665 #endif
 666             }
 667             else if( !strcmp( sub->codecName(), "JPEG" ) )
 668             {
 669                 tk->fmt.i_codec = VLC_FOURCC( 'M', 'J', 'P', 'G' );
 670             }
 671             else if( !strcmp( sub->codecName(), "MP4V-ES" ) )
 672             {
 673                 unsigned int i_extra;
 674                 uint8_t      *p_extra;
 675
 676                 tk->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'v' );
 677
 678                 if( ( p_extra = parseGeneralConfigStr( sub->fmtp_config(),
 679                                                        i_extra ) ) )
 680                 {
 681                     tk->fmt.i_extra = i_extra;
 682                     tk->fmt.p_extra = malloc( i_extra );
 683                     memcpy( tk->fmt.p_extra, p_extra, i_extra );
 684                     delete[] p_extra;
 685                 }
 686             }
 687             else if( !strcmp( sub->codecName(), "X-QT" ) ||
 688                      !strcmp( sub->codecName(), "X-QUICKTIME" ) ||
 689                      !strcmp( sub->codecName(), "X-QDM" ) ||
 690                      !strcmp( sub->codecName(), "X-SV3V-ES" )  ||
 691                      !strcmp( sub->codecName(), "X-SORENSONVIDEO" ) )
 692             {
 693                 tk->b_quicktime = VLC_TRUE;
 694             }
 695             else if( !strcmp( sub->codecName(), "MP2T" ) )
 696             {
 697                 tk->b_muxed = VLC_TRUE;
 698                 tk->p_out_muxed = stream_DemuxNew( p_demux, "ts", p_demux->out );
 699             }
 700             else if( !strcmp( sub->codecName(), "MP2P" ) ||
 701                      !strcmp( sub->codecName(), "MP1S" ) )
 702             {
 703                 tk->b_muxed = VLC_TRUE;
 704                 tk->p_out_muxed = stream_DemuxNew( p_demux, "ps",
 705                                                    p_demux->out );
 706             }
 707             else if( !strcmp( sub->codecName(), "X-ASF-PF" ) )
 708             {
 709                 tk->b_asf = VLC_TRUE;
 710                 if( p_sys->p_out_asf == NULL )
 711                     p_sys->p_out_asf = stream_DemuxNew( p_demux, "asf",
 712                                                         p_demux->out );;
 713             }
 714         }
 715
 716         tk->p_es = es_out_Add( p_demux->out, &tk->fmt );
 717
 718         if( sub->rtcpInstance() != NULL )
 719         {
 720             sub->rtcpInstance()->setByeHandler( StreamClose, tk );
 721         }
 722
 723         if( tk->p_es || tk->b_quicktime || tk->b_muxed || tk->b_asf )
 724         {
 725             tk->readSource = sub->readSource();
 726             tk->rtpSource  = sub->rtpSource();
 727
 728             /* Append */
 729             p_sys->track = (live_track_t**)realloc( p_sys->track, sizeof( live_track_t ) * ( p_sys->i_track + 1 ) );
 730             p_sys->track[p_sys->i_track++] = tk;
 731         }
 732         else
 733         {
 734             free( tk );
 735         }
 736     }
 737
 738     delete iter;
 739
 740     if( p_sys->p_out_asf && ParseASF( p_demux ) )
 741     {
 742         msg_Err( p_demux, "cannot find a usable asf header" );
 743         /* TODO Clean tracks */
 744         goto error;
 745     }
 746
 747     p_sys->i_length = (mtime_t)(p_sys->ms->playEndTime() * 1000000.0);
 748     if( p_sys->i_length < 0 )
 749     {
 750         p_sys->i_length = 0;
 751     }
 752     else if( p_sys->i_length > 0 )
 753     {
 754         /* FIXME */
 755         /* p_input->stream.p_selected_area->i_size = 1000;*/ /* needed for now */
 756     }
 757
 758     if( p_sys->i_track <= 0 )
 759     {
 760         msg_Err( p_demux, "no codec supported, aborting" );
 761         goto error;
 762     }
 763
 764     return VLC_SUCCESS;
 765
 766 error:
 767     if( p_sys->p_out_asf ) stream_DemuxDelete( p_sys->p_out_asf );
 768     if( p_sys->ms ) Medium::close( p_sys->ms );
 769     if( p_sys->rtsp ) Medium::close( p_sys->rtsp );
 770     if( p_sys->env ) RECLAIM_ENV(p_sys->env);
 771     if( p_sys->p_timeout )
 772     {
 773         p_sys->p_timeout->b_die = VLC_TRUE;
 774         vlc_thread_join( p_sys->p_timeout );
 775         vlc_object_detach( p_sys->p_timeout );
 776         vlc_object_destroy( p_sys->p_timeout );
 777     }
 778     if( p_sys->scheduler ) delete p_sys->scheduler;
 779     if( p_sys->p_sdp ) free( p_sys->p_sdp );
 780     if( p_sys->psz_path ) free( p_sys->psz_path );
 781
 782     free( p_sys );
 783     return VLC_EGENERIC;
 784 }
 785
 786 /*****************************************************************************
 787  * DemuxClose:
 788  *****************************************************************************/
 789 static void Close( vlc_object_t *p_this )
 790 {
 791     demux_t *p_demux = (demux_t*)p_this;
 792     demux_sys_t *p_sys = p_demux->p_sys;
 793     int i;
 794
 795     for( i = 0; i < p_sys->i_track; i++ )
 796     {
 797         live_track_t *tk = p_sys->track[i];
 798
 799         if( tk->b_muxed ) stream_DemuxDelete( tk->p_out_muxed );
 800         free( tk->p_buffer );
 801         free( tk );
 802     }
 803
 804     if( p_sys->i_track ) free( p_sys->track );
 805     if( p_sys->p_out_asf ) stream_DemuxDelete( p_sys->p_out_asf );
 806
 807     if( p_sys->rtsp && p_sys->ms )
 808     {
 809         /* TEARDOWN */
 810         p_sys->rtsp->teardownMediaSession( *p_sys->ms );
 811     }
 812
 813     Medium::close( p_sys->ms );
 814
 815     if( p_sys->p_timeout )
 816     {
 817         p_sys->p_timeout->b_die = VLC_TRUE;
 818         vlc_thread_join( p_sys->p_timeout );
 819         vlc_object_detach( p_sys->p_timeout );
 820         vlc_object_destroy( p_sys->p_timeout );
 821     }
 822
 823     if( p_sys->rtsp ) Medium::close( p_sys->rtsp );
 824     if( p_sys->env ) RECLAIM_ENV(p_sys->env);
 825     if( p_sys->scheduler ) delete p_sys->scheduler;
 826     if( p_sys->p_sdp ) free( p_sys->p_sdp );
 827     if( p_sys->psz_path ) free( p_sys->psz_path );
 828     free( p_sys );
 829 }
 830
 831 /*****************************************************************************
 832  * Demux:
 833  *****************************************************************************/
 834 static int Demux( demux_t *p_demux )
 835 {
 836     demux_sys_t    *p_sys = p_demux->p_sys;
 837     TaskToken      task;
 838
 839     vlc_bool_t      b_send_pcr = VLC_TRUE;
 840     mtime_t         i_pcr = 0;
 841     int             i;
 842
 843     /* Check if we need to send the server a Keep-A-Live signal */
 844     if( p_sys->b_timeout_call && p_sys->rtsp && p_sys->ms )
 845     {
 846 #if LIVEMEDIA_LIBRARY_VERSION_INT >= 1138089600
 847         char *psz_bye = NULL;
 848         p_sys->rtsp->getMediaSessionParameter( *p_sys->ms, NULL, psz_bye );
 849 #endif
 850         p_sys->b_timeout_call = VLC_FALSE;
 851     }
 852
 853     for( i = 0; i < p_sys->i_track; i++ )
 854     {
 855         live_track_t *tk = p_sys->track[i];
 856
 857         if( tk->b_asf || tk->b_muxed )
 858             b_send_pcr = VLC_FALSE;
 859
 860         if( i_pcr == 0 )
 861         {
 862             i_pcr = tk->i_pts;
 863         }
 864         else if( tk->i_pts != 0 && i_pcr > tk->i_pts )
 865         {
 866             i_pcr = tk->i_pts ;
 867         }
 868     }
 869     if( i_pcr != p_sys->i_pcr && i_pcr > 0 )
 870     {
 871         p_sys->i_pcr = i_pcr;
 872
 873         if( b_send_pcr )
 874             es_out_Control( p_demux->out, ES_OUT_SET_PCR, i_pcr );
 875         if( p_sys->i_pcr_start <= 0 || p_sys->i_pcr_start > i_pcr ||
 876             ( p_sys->i_length > 0 && i_pcr - p_sys->i_pcr_start > p_sys->i_length ) )
 877         {
 878             p_sys->i_pcr_start = i_pcr;
 879         }
 880     }
 881
 882     /* When a On Demand QT stream ends, the last frame keeps going with the same PCR/PTS value */
 883     /* This tests for that, so we can later decide to end this session */
 884     if( i_pcr > 0 && p_sys->i_pcr == p_sys->i_pcr_previous )
 885     {
 886         if( p_sys->i_pcr_repeats == 0 )
 887             p_sys->i_pcr_repeatdate = mdate();
 888         p_sys->i_pcr_repeats++;
 889     }
 890     else
 891     {
 892         p_sys->i_pcr_previous = p_sys->i_pcr;
 893         p_sys->i_pcr_repeatdate = 0;
 894         p_sys->i_pcr_repeats = 0;
 895     }
 896
 897     if( p_sys->i_pcr_repeats > 5 && mdate() > p_sys->i_pcr_repeatdate + 1000000 )
 898     {
 899         /* We need at least 5 repeats over at least a second of time before we EOF */
 900         msg_Dbg( p_demux, "suspect EOF due to end of VoD session" );
 901         return 0;
 902     }
 903
 904     /* First warm we want to read data */
 905     p_sys->event = 0;
 906     for( i = 0; i < p_sys->i_track; i++ )
 907     {
 908         live_track_t *tk = p_sys->track[i];
 909
 910         if( tk->waiting == 0 )
 911         {
 912             tk->waiting = 1;
 913             tk->readSource->getNextFrame( tk->p_buffer, tk->i_buffer,
 914                                           StreamRead, tk, StreamClose, tk );
 915         }
 916     }
 917     /* Create a task that will be called if we wait more than 300ms */
 918     task = p_sys->scheduler->scheduleDelayedTask( 300000, TaskInterrupt, p_demux );
 919
 920     /* Do the read */
 921     p_sys->scheduler->doEventLoop( &p_sys->event );
 922
 923     /* remove the task */
 924     p_sys->scheduler->unscheduleDelayedTask( task );
 925
 926     /* Check for gap in pts value */
 927     for( i = 0; i < p_sys->i_track; i++ )
 928     {
 929         live_track_t *tk = p_sys->track[i];
 930
 931         if( !tk->b_muxed && !tk->b_rtcp_sync &&
 932             tk->rtpSource && tk->rtpSource->hasBeenSynchronizedUsingRTCP() )
 933         {
 934             msg_Dbg( p_demux, "tk->rtpSource->hasBeenSynchronizedUsingRTCP()" );
 935
 936             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
 937             tk->b_rtcp_sync = VLC_TRUE;
 938
 939             /* reset PCR and PCR start, mmh won't work well for multi-stream I fear */
 940             tk->i_pts = 0;
 941             p_sys->i_pcr_start = 0;
 942             p_sys->i_pcr = 0;
 943             i_pcr = 0;
 944         }
 945     }
 946
 947     if( p_sys->b_multicast && p_sys->b_no_data && p_sys->i_no_data_ti > 120 )
 948     {
 949         /* FIXME Make this configurable
 950         msg_Err( p_demux, "no multicast data received in 36s, aborting" );
 951         return 0;
 952         */
 953     }
 954     else if( !p_sys->b_multicast && p_sys->b_no_data && p_sys->i_no_data_ti > 34 )
 955     {
 956         vlc_bool_t b_rtsp_tcp = var_GetBool( p_demux, "rtsp-tcp" );
 957
 958         if( !b_rtsp_tcp && p_sys->rtsp && p_sys->ms )
 959         {
 960             msg_Warn( p_demux, "no data received in 10s. Switching to TCP" );
 961             if( RollOverTcp( p_demux ) )
 962             {
 963                 msg_Err( p_demux, "TCP rollover failed, aborting" );
 964                 return 0;
 965             }
 966             var_SetBool( p_demux, "rtsp-tcp", VLC_TRUE );
 967         }
 968         else if( p_sys->i_no_data_ti > 34 )
 969         {
 970             msg_Err( p_demux, "no data received in 10s, aborting" );
 971             return 0;
 972         }
 973     }
 974     else if( !p_sys->b_multicast && p_sys->b_no_data&& p_sys->i_no_data_ti > 34 )
 975     {
 976         /* EOF ? */
 977         msg_Warn( p_demux, "no data received in 10s, eof ?" );
 978         return 0;
 979     }
 980
 981     return p_demux->b_error ? 0 : 1;
 982 }
 983
 984 /*****************************************************************************
 985  * Control:
 986  *****************************************************************************/
 987 static int Control( demux_t *p_demux, int i_query, va_list args )
 988 {
 989     demux_sys_t *p_sys = p_demux->p_sys;
 990     int64_t *pi64;
 991     double  *pf, f;
 992     vlc_bool_t *pb, b_bool;
 993
 994     switch( i_query )
 995     {
 996         case DEMUX_GET_TIME:
 997             pi64 = (int64_t*)va_arg( args, int64_t * );
 998             *pi64 = p_sys->i_pcr - p_sys->i_pcr_start + p_sys->i_start;
 999             return VLC_SUCCESS;
1000
1001         case DEMUX_GET_LENGTH:
1002             pi64 = (int64_t*)va_arg( args, int64_t * );
1003             *pi64 = p_sys->i_length;
1004             return VLC_SUCCESS;
1005
1006         case DEMUX_GET_POSITION:
1007             pf = (double*)va_arg( args, double* );
1008             if( p_sys->i_length > 0 )
1009             {
1010                 *pf = (double)( p_sys->i_pcr - p_sys->i_pcr_start +
1011                                 p_sys->i_start ) / (double)(p_sys->i_length);
1012             }
1013             else
1014             {
1015                 *pf = 0;
1016             }
1017             return VLC_SUCCESS;
1018
1019         case DEMUX_SET_POSITION:
1020         {
1021             float time;
1022
1023             f = (double)va_arg( args, double );
1024             time = f * (double)p_sys->i_length / 1000000.0;   /* in second */
1025
1026             if( p_sys->rtsp && p_sys->i_length > 0 )
1027             {
1028                 if( !p_sys->rtsp->playMediaSession( *p_sys->ms, time ) )
1029                 {
1030                     msg_Err( p_demux, "PLAY failed %s",
1031                         p_sys->env->getResultMsg() );
1032                     return VLC_EGENERIC;
1033                 }
1034                 p_sys->i_start = (mtime_t)(f * (double)p_sys->i_length);
1035                 p_sys->i_pcr_start = 0;
1036                 p_sys->i_pcr       = 0;
1037
1038                 return VLC_SUCCESS;
1039             }
1040             return VLC_SUCCESS;
1041         }
1042
1043         /* Special for access_demux */
1044         case DEMUX_CAN_PAUSE:
1045             pb = (vlc_bool_t*)va_arg( args, vlc_bool_t * );
1046             if( p_sys->rtsp && p_sys->i_length )
1047                 /* Not always true, but will be handled in SET_PAUSE_STATE */
1048                 *pb = VLC_TRUE;
1049             else
1050                 *pb = VLC_FALSE;
1051             return VLC_SUCCESS;
1052
1053         case DEMUX_CAN_CONTROL_PACE:
1054             pb = (vlc_bool_t*)va_arg( args, vlc_bool_t * );
1055
1056 #if 0       /* Disable for now until we have a clock synchro algo
1057              * which works with something else than MPEG over UDP */
1058             *pb = VLC_FALSE;
1059 #else
1060             *pb = VLC_TRUE;
1061 #endif
1062             return VLC_SUCCESS;
1063
1064         case DEMUX_SET_PAUSE_STATE:
1065             double d_npt;
1066
1067             d_npt = ( (double)( p_sys->i_pcr - p_sys->i_pcr_start +
1068                                 p_sys->i_start ) ) / 1000000.00;
1069
1070             b_bool = (vlc_bool_t)va_arg( args, vlc_bool_t );
1071             if( p_sys->rtsp == NULL )
1072                 return VLC_EGENERIC;
1073
1074             if( ( b_bool && !p_sys->rtsp->pauseMediaSession( *p_sys->ms ) ) ||
1075                     ( !b_bool && !p_sys->rtsp->playMediaSession( *p_sys->ms,
1076                       d_npt > 0 ? d_npt : -1 ) ) )
1077             {
1078                     msg_Err( p_demux, "PLAY or PAUSE failed %s", p_sys->env->getResultMsg() );
1079                     return VLC_EGENERIC;
1080             }
1081 #if 0
1082             /* reset PCR and PCR start, mmh won't work well for multi-stream I fear */
1083             for( i = 0; i < p_sys->i_track; i++ )
1084             {
1085                 p_sys->track[i]->i_pts = 0;
1086             }
1087             p_sys->i_pcr_start = 0; /* FIXME Wrong */
1088             p_sys->i_pcr = 0;
1089 #endif
1090             return VLC_SUCCESS;
1091
1092         case DEMUX_GET_TITLE_INFO:
1093         case DEMUX_SET_TITLE:
1094         case DEMUX_SET_SEEKPOINT:
1095             return VLC_EGENERIC;
1096
1097         case DEMUX_GET_PTS_DELAY:
1098             pi64 = (int64_t*)va_arg( args, int64_t * );
1099             *pi64 = (int64_t)var_GetInteger( p_demux, "rtsp-caching" ) * 1000;
1100             return VLC_SUCCESS;
1101
1102         default:
1103             return VLC_EGENERIC;
1104     }
1105 }
1106
1107 /*****************************************************************************
1108  * RollOverTcp: reopen the rtsp into TCP mode
1109  * XXX: ugly, a lot of code are duplicated from Open()
1110  *****************************************************************************/
1111 static int RollOverTcp( demux_t *p_demux )
1112 {
1113     demux_sys_t *p_sys = p_demux->p_sys;
1114     MediaSubsessionIterator *iter;
1115     MediaSubsession *sub;
1116     char *psz_url;
1117     char *psz_options;
1118     char *psz_user;
1119     char *psz_pwd;
1120     uint8_t *p_sdp;
1121     int i_tk;
1122
1123     /* We close the old RTSP session */
1124     p_sys->rtsp->teardownMediaSession( *p_sys->ms );
1125
1126     Medium::close( p_sys->ms );
1127     Medium::close( p_sys->rtsp );
1128
1129     p_sys->ms = NULL;
1130     p_sys->rtsp = NULL;
1131
1132     /* Reopen rtsp client */
1133     if( ( p_sys->rtsp = RTSPClient::createNew(*p_sys->env, 1/*verbose*/,
1134           "VLC media player" ) ) == NULL )
1135     {
1136         msg_Err( p_demux, "RTSPClient::createNew failed (%s)",
1137                  p_sys->env->getResultMsg() );
1138         return VLC_EGENERIC;
1139     }
1140
1141     asprintf( &psz_url, "rtsp://%s", p_sys->psz_path );
1142
1143     if( ( psz_options = p_sys->rtsp->sendOptionsCmd( psz_url ) ) )
1144         delete [] psz_options;
1145
1146     psz_user = var_CreateGetString( p_demux, "rtsp-user" );
1147     psz_pwd  = var_CreateGetString( p_demux, "rtsp-pwd" );
1148
1149     if ((*psz_user) && (*psz_pwd))
1150         p_sdp = (uint8_t*)p_sys->rtsp->describeWithPassword( psz_url,
1151                             psz_user, psz_pwd);
1152     else
1153         p_sdp = (uint8_t*)p_sys->rtsp->describeURL( psz_url,
1154                             NULL, var_CreateGetBool( p_demux, "rtsp-kasenna" ) );
1155
1156     free( psz_url );
1157     free( psz_user );
1158     free( psz_pwd );
1159
1160     if( p_sdp == NULL )
1161     {
1162         msg_Err( p_demux, "describeURL failed (%s)",
1163                  p_sys->env->getResultMsg() );
1164         return VLC_EGENERIC;
1165     }
1166
1167     /* malloc-ated copy */
1168     p_sys->p_sdp = strdup( (char*)p_sdp );
1169     delete[] p_sdp;
1170
1171     if( !( p_sys->ms = MediaSession::createNew( *p_sys->env, p_sys->p_sdp ) ) )
1172     {
1173         msg_Err( p_demux, "MediaSession::createNew failed" );
1174         return VLC_EGENERIC;
1175     }
1176
1177     /* Initialise each media subsession */
1178     iter = new MediaSubsessionIterator( *p_sys->ms );
1179     while( ( sub = iter->next() ) != NULL )
1180     {
1181         Boolean bInit;
1182
1183         if( !strcmp( sub->codecName(), "X-ASF-PF" ) )
1184             bInit = sub->initiate( 4 ); /* Constant ? */
1185         else
1186             bInit = sub->initiate();
1187
1188         if( !bInit )
1189         {
1190             msg_Warn( p_demux, "RTP subsession '%s/%s' failed (%s)",
1191                       sub->mediumName(), sub->codecName(),
1192                       p_sys->env->getResultMsg() );
1193             continue;
1194         }
1195         msg_Dbg( p_demux, "RTP subsession '%s/%s'", sub->mediumName(),
1196                  sub->codecName() );
1197
1198         /* Issue the SETUP */
1199         p_sys->rtsp->setupMediaSubsession( *sub, False, True /* tcp */ );
1200     }
1201
1202     /* The PLAY */
1203     if( !p_sys->rtsp->playMediaSession( *p_sys->ms ) )
1204     {
1205         msg_Err( p_demux, "PLAY failed %s", p_sys->env->getResultMsg() );
1206         return VLC_EGENERIC;
1207     }
1208
1209     /* Update all tracks */
1210     iter->reset();
1211     i_tk = 0;
1212     while( ( sub = iter->next() ) != NULL )
1213     {
1214         live_track_t *tk;
1215
1216         if( sub->readSource() == NULL )
1217             continue;
1218         if( i_tk >= p_sys->i_track )
1219         {
1220             msg_Err( p_demux, "WTF !" );
1221             break;
1222         }
1223
1224         tk = p_sys->track[i_tk];
1225
1226         /* Reset state */
1227         tk->waiting = 0;
1228         tk->i_pts   = 0;
1229         tk->b_rtcp_sync = VLC_FALSE;
1230
1231         if( sub->rtcpInstance() != NULL )
1232             sub->rtcpInstance()->setByeHandler( StreamClose, tk );
1233
1234         tk->readSource = sub->readSource();
1235         tk->rtpSource  = sub->rtpSource();
1236
1237         i_tk++;
1238     }
1239
1240     delete iter;
1241
1242     return VLC_SUCCESS;
1243 }
1244
1245
1246 /*****************************************************************************
1247  *
1248  *****************************************************************************/
1249 static void StreamRead( void *p_private, unsigned int i_size,
1250                         unsigned int i_truncated_bytes, struct timeval pts,
1251                         unsigned int duration )
1252 {
1253     live_track_t   *tk = (live_track_t*)p_private;
1254     demux_t        *p_demux = tk->p_demux;
1255     demux_sys_t    *p_sys = p_demux->p_sys;
1256     block_t        *p_block;
1257
1258     mtime_t i_pts = (uint64_t)pts.tv_sec * UI64C(1000000) +
1259         (uint64_t)pts.tv_usec;
1260
1261     /* XXX Beurk beurk beurk Avoid having negative value XXX */
1262     i_pts &= UI64C(0x00ffffffffffffff);
1263
1264     if( tk->b_quicktime && tk->p_es == NULL )
1265     {
1266         QuickTimeGenericRTPSource *qtRTPSource =
1267             (QuickTimeGenericRTPSource*)tk->rtpSource;
1268         QuickTimeGenericRTPSource::QTState &qtState = qtRTPSource->qtState;
1269         uint8_t *sdAtom = (uint8_t*)&qtState.sdAtom[4];
1270
1271         if( qtState.sdAtomSize < 16 + 32 )
1272         {
1273             /* invalid */
1274             p_sys->event = 0xff;
1275             tk->waiting = 0;
1276             return;
1277         }
1278         tk->fmt.i_codec = VLC_FOURCC(sdAtom[0],sdAtom[1],sdAtom[2],sdAtom[3]);
1279         tk->fmt.video.i_width  = (sdAtom[28] << 8) | sdAtom[29];
1280         tk->fmt.video.i_height = (sdAtom[30] << 8) | sdAtom[31];
1281
1282         tk->fmt.i_extra        = qtState.sdAtomSize - 16;
1283         tk->fmt.p_extra        = malloc( tk->fmt.i_extra );
1284         memcpy( tk->fmt.p_extra, &sdAtom[12], tk->fmt.i_extra );
1285
1286         tk->p_es = es_out_Add( p_demux->out, &tk->fmt );
1287     }
1288
1289 #if 0
1290     fprintf( stderr, "StreamRead size=%d pts=%lld\n",
1291              i_size,
1292              pts.tv_sec * 1000000LL + pts.tv_usec );
1293 #endif
1294
1295     /* grow buffer if it looks like buffer is too small, but don't eat
1296      * up all the memory on strange streams */
1297     if( i_truncated_bytes > 0 && tk->i_buffer < 2000000 )
1298     {
1299         void *p_tmp;
1300         msg_Dbg( p_demux, "lost %d bytes", i_truncated_bytes );
1301         msg_Dbg( p_demux, "increasing buffer size to %d", tk->i_buffer * 2 );
1302         tk->i_buffer *= 2;
1303         p_tmp = realloc( tk->p_buffer, tk->i_buffer );
1304         if (p_tmp == NULL)
1305         {
1306             msg_Warn( p_demux, "realloc failed" );
1307         }
1308         else
1309         {
1310             tk->p_buffer = (uint8_t*)p_tmp;
1311         }
1312     }
1313     if( i_size > tk->i_buffer )
1314     {
1315         msg_Warn( p_demux, "buffer overflow" );
1316     }
1317     /* FIXME could i_size be > buffer size ? */
1318     if( tk->fmt.i_codec == VLC_FOURCC('s','a','m','r') ||
1319         tk->fmt.i_codec == VLC_FOURCC('s','a','w','b') )
1320     {
1321         AMRAudioSource *amrSource = (AMRAudioSource*)tk->readSource;
1322
1323         p_block = block_New( p_demux, i_size + 1 );
1324         p_block->p_buffer[0] = amrSource->lastFrameHeader();
1325         memcpy( p_block->p_buffer + 1, tk->p_buffer, i_size );
1326     }
1327     else if( tk->fmt.i_codec == VLC_FOURCC('H','2','6','1') )
1328     {
1329 #if LIVEMEDIA_LIBRARY_VERSION_INT >= 1081468800
1330         H261VideoRTPSource *h261Source = (H261VideoRTPSource*)tk->rtpSource;
1331         uint32_t header = h261Source->lastSpecialHeader();
1332 #else
1333         uint32_t header = 0;
1334         msg_Warn( p_demux, "need livemedia library >= \"2004.04.09\"" );
1335 #endif
1336         p_block = block_New( p_demux, i_size + 4 );
1337         memcpy( p_block->p_buffer, &header, 4 );
1338         memcpy( p_block->p_buffer + 4, tk->p_buffer, i_size );
1339
1340         if( tk->rtpSource->curPacketMarkerBit() )
1341             p_block->i_flags |= BLOCK_FLAG_END_OF_FRAME;
1342     }
1343     else if( tk->fmt.i_codec == VLC_FOURCC('H','2','6','4') )
1344     {
1345         if( (tk->p_buffer[0] & 0x1f) >= 24 )
1346             msg_Warn( p_demux, "unsupported NAL type for H264" );
1347
1348         /* Normal NAL type */
1349         p_block = block_New( p_demux, i_size + 4 );
1350         p_block->p_buffer[0] = 0x00;
1351         p_block->p_buffer[1] = 0x00;
1352         p_block->p_buffer[2] = 0x00;
1353         p_block->p_buffer[3] = 0x01;
1354         memcpy( &p_block->p_buffer[4], tk->p_buffer, i_size );
1355     }
1356     else if( tk->b_asf )
1357     {
1358         int i_copy = __MIN( p_sys->asfh.i_min_data_packet_size, (int)i_size );
1359         p_block = block_New( p_demux, p_sys->asfh.i_min_data_packet_size );
1360
1361         memcpy( p_block->p_buffer, tk->p_buffer, i_copy );
1362     }
1363     else
1364     {
1365         p_block = block_New( p_demux, i_size );
1366         memcpy( p_block->p_buffer, tk->p_buffer, i_size );
1367     }
1368
1369     //p_block->i_rate = p_input->stream.control.i_rate;
1370
1371     if( i_pts != tk->i_pts && !tk->b_muxed )
1372     {
1373         p_block->i_dts = ( tk->fmt.i_cat == VIDEO_ES ) ? 0 : i_pts;
1374         p_block->i_pts = i_pts;
1375     }
1376
1377     if( tk->b_muxed )
1378     {
1379         stream_DemuxSend( tk->p_out_muxed, p_block );
1380     }
1381     else if( tk->b_asf )
1382     {
1383         stream_DemuxSend( p_sys->p_out_asf, p_block );
1384     }
1385     else
1386     {
1387         es_out_Send( p_demux->out, tk->p_es, p_block );
1388     }
1389
1390     /* warm that's ok */
1391     p_sys->event = 0xff;
1392
1393     /* we have read data */
1394     tk->waiting = 0;
1395     p_demux->p_sys->b_no_data = VLC_FALSE;
1396     p_demux->p_sys->i_no_data_ti = 0;
1397
1398     if( i_pts > 0 && !tk->b_muxed )
1399     {
1400         tk->i_pts = i_pts;
1401     }
1402 }
1403
1404 /*****************************************************************************
1405  *
1406  *****************************************************************************/
1407 static void StreamClose( void *p_private )
1408 {
1409     live_track_t   *tk = (live_track_t*)p_private;
1410     demux_t        *p_demux = tk->p_demux;
1411     demux_sys_t    *p_sys = p_demux->p_sys;
1412
1413     msg_Dbg( p_demux, "StreamClose" );
1414
1415     p_sys->event = 0xff;
1416     p_demux->b_error = VLC_TRUE;
1417 }
1418
1419
1420 /*****************************************************************************
1421  *
1422  *****************************************************************************/
1423 static void TaskInterrupt( void *p_private )
1424 {
1425     demux_t *p_demux = (demux_t*)p_private;
1426
1427     p_demux->p_sys->i_no_data_ti++;
1428
1429     /* Avoid lock */
1430     p_demux->p_sys->event = 0xff;
1431 }
1432
1433 /*****************************************************************************
1434  *
1435  *****************************************************************************/
1436 static void TimeoutPrevention( timeout_thread_t *p_timeout )
1437 {
1438     p_timeout->b_die = VLC_FALSE;
1439     p_timeout->i_remain = (int64_t)p_timeout->p_sys->i_timeout -2;
1440     p_timeout->i_remain *= 1000000;
1441
1442     vlc_thread_ready( p_timeout );
1443
1444     /* Avoid lock */
1445     while( !p_timeout->b_die )
1446     {
1447         if( p_timeout->i_remain <= 0 )
1448         {
1449             p_timeout->i_remain = (int64_t)p_timeout->p_sys->i_timeout -2;
1450             p_timeout->i_remain *= 1000000;
1451             p_timeout->p_sys->b_timeout_call = VLC_TRUE;
1452             msg_Dbg( p_timeout, "reset the timeout timer" );
1453         }
1454         p_timeout->i_remain -= 200000;
1455         msleep( 200000 ); /* 200 ms */
1456     }
1457 }
1458
1459 /*****************************************************************************
1460  *
1461  *****************************************************************************/
1462 static int b64_decode( char *dest, char *src );
1463
1464 static int ParseASF( demux_t *p_demux )
1465 {
1466     demux_sys_t    *p_sys = p_demux->p_sys;
1467
1468     const char *psz_marker = "a=pgmpu:data:application/vnd.ms.wms-hdr.asfv1;base64,";
1469     char *psz_asf = strcasestr( p_sys->p_sdp, psz_marker );
1470     char *psz_end;
1471     block_t *p_header;
1472
1473     /* Parse the asf header */
1474     if( psz_asf == NULL )
1475         return VLC_EGENERIC;
1476
1477     psz_asf += strlen( psz_marker );
1478     psz_asf = strdup( psz_asf );    /* Duplicate it */
1479     psz_end = strchr( psz_asf, '\n' );
1480
1481     while( psz_end > psz_asf && ( *psz_end == '\n' || *psz_end == '\r' ) )
1482         *psz_end-- = '\0';
1483
1484     if( psz_asf >= psz_end )
1485     {
1486         free( psz_asf );
1487         return VLC_EGENERIC;
1488     }
1489
1490     /* Always smaller */
1491     p_header = block_New( p_demux, psz_end - psz_asf );
1492     p_header->i_buffer = b64_decode( (char*)p_header->p_buffer, psz_asf );
1493     //msg_Dbg( p_demux, "Size=%d Hdrb64=%s", p_header->i_buffer, psz_asf );
1494     if( p_header->i_buffer <= 0 )
1495     {
1496         free( psz_asf );
1497         return VLC_EGENERIC;
1498     }
1499
1500     /* Parse it to get packet size */
1501     E_(asf_HeaderParse)( &p_sys->asfh, p_header->p_buffer, p_header->i_buffer );
1502
1503     /* Send it to demuxer */
1504     stream_DemuxSend( p_sys->p_out_asf, p_header );
1505
1506     free( psz_asf );
1507     return VLC_SUCCESS;
1508 }
1509
1510 #if LIVEMEDIA_LIBRARY_VERSION_INT >= 1117756800
1511 static unsigned char* parseH264ConfigStr( char const* configStr,
1512                                           unsigned int& configSize )
1513 {
1514     char *dup, *psz;
1515
1516     if( configSize )
1517     configSize = 0;
1518
1519     if( configStr == NULL || *configStr == '\0' )
1520         return NULL;
1521
1522     psz = dup = strdup( configStr );
1523
1524     unsigned char *cfg = new unsigned char[5 * strlen(psz)];
1525     for( ;; )
1526     {
1527         char *p = strchr( psz, ',' );
1528         if( p )
1529             *p++ = '\0';
1530
1531         cfg[configSize++] = 0x00;
1532         cfg[configSize++] = 0x00;
1533         cfg[configSize++] = 0x00;
1534         cfg[configSize++] = 0x01;
1535         configSize += b64_decode( (char*)&cfg[configSize], psz );
1536
1537         if( p == NULL )
1538             break;
1539         psz = p;
1540     }
1541
1542     if( dup ) free( dup );
1543     return cfg;
1544 }
1545 #endif
1546
1547 /*char b64[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";*/
1548 static int b64_decode( char *dest, char *src )
1549 {
1550     const char *dest_start = dest;
1551     int  i_level;
1552     int  last = 0;
1553     int  b64[256] = {
1554         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* 00-0F */
1555         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* 10-1F */
1556         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,62,-1,-1,-1,63,  /* 20-2F */
1557         52,53,54,55,56,57,58,59,60,61,-1,-1,-1,-1,-1,-1,  /* 30-3F */
1558         -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10,11,12,13,14,  /* 40-4F */
1559         15,16,17,18,19,20,21,22,23,24,25,-1,-1,-1,-1,-1,  /* 50-5F */
1560         -1,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,  /* 60-6F */
1561         41,42,43,44,45,46,47,48,49,50,51,-1,-1,-1,-1,-1,  /* 70-7F */
1562         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* 80-8F */
1563         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* 90-9F */
1564         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* A0-AF */
1565         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* B0-BF */
1566         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* C0-CF */
1567         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* D0-DF */
1568         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,  /* E0-EF */
1569         -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1   /* F0-FF */
1570         };
1571
1572     for( i_level = 0; *src != '\0'; src++ )
1573     {
1574         int  c;
1575
1576         c = b64[(unsigned int)*src];
1577         if( c == -1 )
1578         {
1579             continue;
1580         }
1581
1582         switch( i_level )
1583         {
1584             case 0:
1585                 i_level++;
1586                 break;
1587             case 1:
1588                 *dest++ = ( last << 2 ) | ( ( c >> 4)&0x03 );
1589                 i_level++;
1590                 break;
1591             case 2:
1592                 *dest++ = ( ( last << 4 )&0xf0 ) | ( ( c >> 2 )&0x0f );
1593                 i_level++;
1594                 break;
1595             case 3:
1596                 *dest++ = ( ( last &0x03 ) << 6 ) | c;
1597                 i_level = 0;
1598         }
1599         last = c;
1600     }
1601
1602     *dest = '\0';
1603
1604     return dest - dest_start;
1605 }