git.sesse.net Git - vlc/blob - modules/access/dvb/access.c

   1 /*****************************************************************************
   2  * access.c: DVB card input v4l2 only
   3  *****************************************************************************
   4  * Copyright (C) 1998-2003 VideoLAN
   5  *
   6  * Authors: Johan Bilien <jobi@via.ecp.fr>
   7  *          Jean-Paul Saman <jpsaman@wxs.nl>
   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., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
  22  *****************************************************************************/
  23
  24
  25 /*****************************************************************************
  26  * Preamble
  27  *****************************************************************************/
  28 #include <stdio.h>
  29 #include <stdlib.h>
  30
  31 #include <vlc/vlc.h>
  32 #include <vlc/input.h>
  33
  34 #include "../../demux/mpeg/system.h"
  35
  36 #ifdef HAVE_UNISTD_H
  37 #   include <unistd.h>
  38 #endif
  39
  40 #include <fcntl.h>
  41 #include <sys/types.h>
  42
  43 #ifdef HAVE_ERRNO_H
  44 #    include <string.h>
  45 #    include <errno.h>
  46 #endif
  47
  48 #ifdef STRNCASECMP_IN_STRINGS_H
  49 #   include <strings.h>
  50 #endif
  51
  52 /* DVB Card Drivers */
  53 #include <linux/dvb/dmx.h>
  54 #include <linux/dvb/frontend.h>
  55
  56 #include "dvb.h"
  57
  58 #define SATELLITE_READ_ONCE 3
  59
  60 /*****************************************************************************
  61  * Local prototypes
  62  *****************************************************************************/
  63 static ssize_t SatelliteRead( input_thread_t * p_input, byte_t * p_buffer,
  64                               size_t i_len);
  65 static int     SatelliteSetArea    ( input_thread_t *, input_area_t * );
  66 static int     SatelliteSetProgram ( input_thread_t *, pgrm_descriptor_t * );
  67 static void    SatelliteSeek       ( input_thread_t *, off_t );
  68
  69 /*****************************************************************************
  70  * Open: open the frontend device
  71  *****************************************************************************/
  72 int E_(Open) ( vlc_object_t *p_this )
  73 {
  74     struct dvb_frontend_info frontend_info;
  75     struct dvb_frontend_parameters fep;
  76     input_thread_t *    p_input = (input_thread_t *)p_this;
  77     input_socket_t *    p_satellite;
  78     char *              psz_parser;
  79     char *              psz_next;
  80     int                 i_fd = 0;
  81     unsigned int        u_adapter = 1;
  82     unsigned int        u_device = 0;
  83     unsigned int        u_freq = 0;
  84     unsigned int        u_srate = 0;
  85     unsigned int        u_lnb_lof1;
  86     unsigned int        u_lnb_lof2;
  87     unsigned int        u_lnb_slof;
  88     int                 i_bandwidth = 0;
  89     int                 i_modulation = 0;
  90     int                 i_guard = 0;
  91     int                 i_transmission = 0;
  92     int                 i_hierarchy = 0;
  93     int                 i_polarisation = 0;
  94     int                 i_fec = 0;
  95     int                 i_code_rate_HP = 0;
  96     int                 i_code_rate_LP = 0;
  97     vlc_bool_t          b_diseqc;
  98     vlc_bool_t          b_probe;
  99     char                dvr[] = DVR;
 100     char                frontend[] = FRONTEND;
 101     int                 i_len = 0;
 102     vlc_value_t         val;
 103     int                 i_test;
 104
 105
 106     /* parse the options passed in command line : */
 107     psz_parser = strdup( p_input->psz_name );
 108
 109     if( !psz_parser )
 110     {
 111         return( -1 );
 112     }
 113
 114     // Get adapter and device number to use for this dvb card
 115     u_adapter = config_GetInt( p_input, "adapter" );
 116     u_device  = config_GetInt( p_input, "device" );
 117
 118     /* Get antenna configuration options */
 119     b_diseqc = config_GetInt( p_input, "diseqc" );
 120     u_lnb_lof1 = config_GetInt( p_input, "lnb-lof1" );
 121     u_lnb_lof2 = config_GetInt( p_input, "lnb-lof2" );
 122     u_lnb_slof = config_GetInt( p_input, "lnb-slof" );
 123
 124     /*Get modulation parameters*/
 125     i_bandwidth = config_GetInt( p_input, "bandwidth");
 126     i_code_rate_HP = config_GetInt(p_input, "code-rate-hp");
 127     i_code_rate_LP = config_GetInt(p_input, "code-rate-lp");
 128     i_modulation  = config_GetInt(p_input, "modulation");
 129     i_transmission = config_GetInt(p_input, "transmission");
 130     i_guard = config_GetInt(p_input, "guard");
 131     i_hierarchy = config_GetInt(p_input, "hierarchy");
 132
 133     /* Determine frontend device information and capabilities */
 134     b_probe = config_GetInt( p_input, "probe" );
 135     if (b_probe)
 136     {
 137         if ( ioctl_InfoFrontend(p_input, &frontend_info, u_adapter, u_device) < 0 )
 138         {
 139             msg_Err( p_input, "(access) cannot determine frontend info" );
 140             return -1;
 141         }
 142     }
 143     else /* no frontend probing is done so use default border values. */
 144     {
 145         msg_Dbg( p_input, "using default values for frontend info" );
 146         i_len = sizeof(FRONTEND);
 147         if (snprintf(frontend, sizeof(FRONTEND), FRONTEND, u_adapter, u_device) >= i_len)
 148         {
 149             msg_Err( p_input, "snprintf() truncated string for FRONTEND" );
 150             frontend[sizeof(FRONTEND)] = '\0';
 151         }
 152         strncpy(frontend_info.name, frontend, 128);
 153
 154         msg_Dbg(p_input, "method of access is %s", p_input->psz_access);
 155
 156         frontend_info.type = FE_QPSK;
 157         if (strncmp( p_input->psz_access, "qpsk",4 ) ==0)
 158             frontend_info.type = FE_QPSK;
 159         else if (strncmp( p_input->psz_access, "cable",5 ) ==0)
 160             frontend_info.type = FE_QAM;
 161         else if (strncmp( p_input->psz_access, "terrestrial",11) ==0)
 162             frontend_info.type = FE_OFDM;
 163
 164         frontend_info.frequency_max = u_lnb_lof2; /* in KHz, lnb_lof2 */
 165         frontend_info.frequency_min = u_lnb_lof1; /* lnb_lof1 */
 166
 167         frontend_info.symbol_rate_max = 30000000;
 168         frontend_info.symbol_rate_min =  1000000;
 169     }
 170
 171     /* Register Callback functions */
 172     p_input->pf_read = SatelliteRead;
 173     p_input->pf_set_program = SatelliteSetProgram;
 174     p_input->pf_set_area = SatelliteSetArea;
 175     p_input->pf_seek = SatelliteSeek;
 176
 177     i_test = strtol( psz_parser, &psz_next, 10 );
 178     if ( psz_next == psz_parser )
 179     {
 180         for ( ;; )
 181         {
 182             if( !strncmp( psz_parser, "frequency=",
 183                                strlen( "frequency=" ) ) )
 184             {
 185                 u_freq =
 186                   strtol( psz_parser + strlen( "frequency=" ),
 187                             &psz_parser, 0 );
 188             }
 189             else if( !strncmp( psz_parser, "polarization=",
 190                                strlen( "polarization=" ) ) )
 191             {
 192                 char *psz_parser_init;
 193                 psz_parser += strlen( "polarization=" );
 194                 psz_parser_init = psz_parser;
 195                 while ( *psz_parser != ':')
 196                 {
 197                    psz_parser++;
 198                 }
 199                 if ((!strncmp( psz_parser_init, "V" ,
 200                      psz_parser - psz_parser_init ) ) ||
 201                    (!strncmp( psz_parser_init, "V" ,
 202                      psz_parser - psz_parser_init ) ) )
 203                 {
 204                     i_polarisation = 0; //VLC_FALSE;
 205                 }
 206                 else if ((!strncmp( psz_parser_init, "H" ,
 207                      psz_parser - psz_parser_init ) ) ||
 208                    (!strncmp( psz_parser_init, "h" ,
 209                      psz_parser - psz_parser_init ) ) )
 210
 211                 {
 212                     i_polarisation = 1; //VLC_TRUE;
 213                 }
 214                 else if ((!strncmp( psz_parser_init, "A" ,
 215                      psz_parser - psz_parser_init ) ) ||
 216                    (!strncmp( psz_parser_init, "a" ,
 217                      psz_parser - psz_parser_init ) ) )
 218
 219                 {
 220                     i_polarisation = 2;
 221                 }
 222             }
 223             else if( !strncmp( psz_parser, "fec=",
 224                                strlen( "fec=" ) ) )
 225             {
 226                 i_fec =
 227                 (int)strtol( psz_parser + strlen( "fec=" ),
 228                             &psz_parser, 0 );
 229             }
 230             else if( !strncmp( psz_parser, "srate=",
 231                                strlen( "srate=" ) ) )
 232             {
 233                 u_srate =
 234                 (unsigned int)strtol( psz_parser + strlen( "srate=" ),
 235                             &psz_parser, 0 );
 236             }
 237             else if( !strncmp( psz_parser, "program=",
 238                                strlen( "program=" ) ) )
 239             {
 240                 val.i_int = (int)strtol( psz_parser + strlen( "program=" ),
 241                             &psz_parser, 0 );
 242                 var_Set( p_input, "program", val );
 243             }
 244             else if( !strncmp( psz_parser, "diseqc",
 245                                strlen( "disecq" ) ) )
 246             {
 247                 psz_parser += strlen("disecq");
 248                 b_diseqc = VLC_TRUE;
 249             }
 250             else if( !strncmp( psz_parser, "lnb-lof1=",
 251                                strlen( "lnb-lof1=" ) ) )
 252             {
 253                 u_lnb_lof1 =
 254                 (unsigned int)strtol( psz_parser + strlen( "lnb-lof1=" ),
 255                             &psz_parser, 0 );
 256                 frontend_info.frequency_min = u_lnb_lof1; /* lnb_lof1 */
 257             }
 258             else if( !strncmp( psz_parser, "lnb-lof2=",
 259                                strlen( "lnb-lof2=" ) ) )
 260             {
 261                 u_lnb_lof2 =
 262                 (unsigned int)strtol( psz_parser + strlen( "lnb-lof2=" ),
 263                             &psz_parser, 0 );
 264                 frontend_info.frequency_max = u_lnb_lof2; /* in KHz, lnb_lof2 */
 265             }
 266             else if( !strncmp( psz_parser, "lnb-slof=",
 267                                strlen( "lnb-slof=" ) ) )
 268             {
 269                 u_lnb_slof =
 270                 (unsigned int)strtol( psz_parser + strlen( "lnb-slof=" ),
 271                             &psz_parser, 0 );
 272             }
 273             else if( !strncmp( psz_parser, "device=",
 274                                strlen( "device=" ) ) )
 275             {
 276                 u_device =
 277                 (unsigned int)strtol( psz_parser + strlen( "device=" ),
 278                             &psz_parser, 0 );
 279             }
 280             else if( !strncmp( psz_parser, "adapter=",
 281                                strlen( "adapter=" ) ) )
 282             {
 283                 u_adapter =
 284                 (unsigned int)strtol( psz_parser + strlen( "adapter=" ),
 285                             &psz_parser, 0 );
 286             }
 287             else if (!strncmp( psz_parser, "modulation=",
 288                                strlen( "modulation=" ) ) )
 289             {
 290                 i_modulation = (int)strtol( psz_parser + strlen( "modulation=" ),
 291                             &psz_parser, 0 );
 292             }
 293             else if (!strncmp( psz_parser, "bandwidth=",
 294                                strlen( "bandwidth=" ) ) )
 295             {
 296                 i_bandwidth = (int)strtol( psz_parser + strlen( "bandwidth=" ),
 297                             &psz_parser, 0 );
 298             }
 299             else if (!strncmp( psz_parser, "guard=",
 300                                strlen( "guard=" ) ) )
 301             {
 302                 i_guard = (int)strtol( psz_parser + strlen( "guard=" ),
 303                             &psz_parser, 0 );
 304             }
 305             else if (!strncmp( psz_parser, "transmission=",
 306                                strlen( "transmission=" ) ) )
 307             {
 308                 i_transmission = (int)strtol( psz_parser +
 309                             strlen( "transmission=" ),&psz_parser, 0 );
 310             }
 311             else if (!strncmp( psz_parser, "hierarchy=",
 312                                strlen( "hierarchy=" ) ) )
 313             {
 314                 i_hierarchy = (int)strtol( psz_parser +
 315                                 strlen( "hierarchy=" ),&psz_parser, 0 );
 316             }
 317             else if (!strncmp( psz_parser, "code-rate-HP=",
 318                                strlen( "code-rate-HP=" ) ) )
 319             {
 320                 i_code_rate_HP = (int)strtol( psz_parser +
 321                                 strlen( "code-rate-HP=" ),&psz_parser, 0 );
 322             }
 323             else if (!strncmp( psz_parser, "code-rate-LP=",
 324                                strlen( "code-rate-LP=" ) ) )
 325             {
 326                 i_code_rate_LP = (int)strtol( psz_parser +
 327                                 strlen( "code-rate-LP=" ),&psz_parser, 0 );
 328             }
 329             else if( !strncmp( psz_parser, "probe",
 330                                strlen( "probe" ) ) )
 331             {
 332                 psz_parser += strlen("probe");
 333                 b_probe = VLC_TRUE;
 334             }
 335             if( *psz_parser )
 336                 psz_parser++;
 337             else
 338                 break;
 339         }
 340     }
 341     else
 342     {
 343         msg_Warn(p_input,"DVB Input syntax has changed, please see documentation for further informations");
 344         u_freq = (unsigned int)i_test;
 345         if( *psz_next )
 346         {
 347             psz_parser = psz_next + 1;
 348             i_polarisation = strtol( psz_parser, &psz_next, 10 );
 349             if( *psz_next )
 350             {
 351                 psz_parser = psz_next + 1;
 352                 i_fec = (int)strtol( psz_parser, &psz_next, 10 );
 353                 if( *psz_next )
 354                 {
 355                     psz_parser = psz_next + 1;
 356                     u_srate = (unsigned int)strtol( psz_parser, &psz_next, 10 );
 357                 }
 358             }
 359         }
 360     }
 361
 362     /* Validating input values */
 363     if ( ((u_freq) > frontend_info.frequency_max) ||
 364          ((u_freq) < frontend_info.frequency_min) )
 365     {
 366         msg_Warn( p_input, "invalid frequency %d (KHz), using default one", u_freq );
 367         u_freq = config_GetInt( p_input, "frequency" );
 368         if ( ((u_freq) > frontend_info.frequency_max) ||
 369              ((u_freq) < frontend_info.frequency_min) )
 370         {
 371             msg_Err( p_input, "invalid default frequency" );
 372             return -1;
 373         }
 374     }
 375
 376     /* Workaround for backwards compatibility */
 377     if (strncmp( p_input->psz_access, "satellite", 9 ) ==0)
 378     {
 379         msg_Warn( p_input, "invalid symbol rate %d possibly specified in MHz, trying value *1000 KHz", u_freq );
 380         u_srate *= 1000;
 381     }
 382
 383     if ( ((u_srate) > frontend_info.symbol_rate_max) ||
 384          ((u_srate) < frontend_info.symbol_rate_min) )
 385     {
 386         msg_Warn( p_input, "invalid symbol rate, using default one" );
 387         u_srate = config_GetInt( p_input, "symbol-rate" );
 388         if ( ((u_srate) > frontend_info.symbol_rate_max) ||
 389              ((u_srate) < frontend_info.symbol_rate_min) )
 390         {
 391             msg_Err( p_input, "invalid default symbol rate" );
 392             return -1;
 393         }
 394     }
 395
 396     if( (i_fec > 9) || (i_fec < 1) )
 397     {
 398         msg_Warn( p_input, "invalid FEC, using default one" );
 399         i_fec = config_GetInt( p_input, "fec" );
 400         if( (i_fec > 9) || (i_fec < 1) )
 401         {
 402             msg_Err( p_input, "invalid default FEC" );
 403             return -1;
 404         }
 405     }
 406
 407     /* Setting frontend parameters for tuning the hardware */
 408     msg_Dbg( p_input, "Trying to tune to channel ...");
 409     switch( frontend_info.type )
 410     {
 411         /* DVB-S: satellite and budget cards (nova) */
 412         case FE_QPSK:
 413             fep.frequency = u_freq; /* KHz */
 414             fep.inversion = dvb_DecodeInversion(p_input, i_polarisation);
 415             fep.u.qpsk.symbol_rate = u_srate;
 416             fep.u.qpsk.fec_inner = dvb_DecodeFEC(p_input, i_fec);
 417             msg_Dbg( p_input, "DVB-S: satellite (QPSK) frontend %s found", frontend_info.name );
 418
 419             if (ioctl_SetQPSKFrontend (p_input, fep, i_polarisation,
 420                                u_lnb_lof1, u_lnb_lof2, u_lnb_slof,
 421                                u_adapter, u_device )<0)
 422             {
 423                 msg_Err( p_input, "DVB-S: tuning failed" );
 424                 return -1;
 425             }
 426             break;
 427
 428         /* DVB-C */
 429         case FE_QAM:
 430             fep.frequency = u_freq; /* KHz */
 431             fep.inversion = dvb_DecodeInversion(p_input, i_polarisation);
 432             fep.u.qam.symbol_rate = u_srate;
 433             fep.u.qam.fec_inner = dvb_DecodeFEC(p_input, i_fec);
 434             fep.u.qam.modulation = dvb_DecodeModulation(p_input, i_modulation);
 435             msg_Dbg( p_input, "DVB-C: cable (QAM) frontend %s found", frontend_info.name );
 436             if (ioctl_SetQAMFrontend (p_input, fep, u_adapter, u_device )<0)
 437             {
 438                 msg_Err( p_input, "DVB-C: tuning failed" );
 439                 return -1;
 440             }
 441             break;
 442
 443         /* DVB-T */
 444         case FE_OFDM:
 445             fep.frequency = u_freq; /* KHz */
 446             fep.inversion = dvb_DecodeInversion(p_input, i_polarisation);
 447             fep.u.ofdm.bandwidth = dvb_DecodeBandwidth(p_input, i_bandwidth);
 448             fep.u.ofdm.code_rate_HP = dvb_DecodeFEC(p_input, i_code_rate_HP);
 449             fep.u.ofdm.code_rate_LP = dvb_DecodeFEC(p_input, i_code_rate_LP);
 450             fep.u.ofdm.constellation = dvb_DecodeModulation(p_input, i_modulation);
 451             fep.u.ofdm.transmission_mode = dvb_DecodeTransmission(p_input, i_transmission);
 452             fep.u.ofdm.guard_interval = dvb_DecodeGuardInterval(p_input, i_guard);
 453             fep.u.ofdm.hierarchy_information = dvb_DecodeHierarchy(p_input, i_hierarchy);
 454             msg_Dbg( p_input, "DVB-T: terrestrial (OFDM) frontend %s found", frontend_info.name );
 455             if (ioctl_SetOFDMFrontend (p_input, fep,u_adapter, u_device )<0)
 456             {
 457                 msg_Err( p_input, "DVB-T: tuning failed" );
 458                 return -1;
 459             }
 460             break;
 461         default:
 462             msg_Err( p_input, "Could not determine frontend type on %s", frontend_info.name );
 463             return -1;
 464     }
 465     msg_Dbg( p_input, "Tuning done.");
 466
 467     /* Initialise structure */
 468     p_satellite = malloc( sizeof( input_socket_t ) );
 469
 470     if( p_satellite == NULL )
 471     {
 472         msg_Err( p_input, "out of memory" );
 473         return -1;
 474     }
 475
 476     p_input->p_access_data = (void *)p_satellite;
 477
 478     /* Open the DVR device */
 479     i_len = sizeof(DVR);
 480     if (snprintf(dvr, sizeof(DVR), DVR, u_adapter, u_device) >= i_len)
 481     {
 482         msg_Err( p_input, "snprintf() truncated string for DVR" );
 483         dvr[sizeof(DVR)] = '\0';
 484     }
 485     msg_Dbg( p_input, "opening DVR device '%s'", dvr );
 486
 487     if( (p_satellite->i_handle = open( dvr,
 488                                    /*O_NONBLOCK | O_LARGEFILE*/0 )) == (-1) )
 489     {
 490 #   ifdef HAVE_ERRNO_H
 491         msg_Warn( p_input, "cannot open `%s' (%s)", dvr, strerror(errno) );
 492 #   else
 493         msg_Warn( p_input, "cannot open `%s'", dvr );
 494 #   endif
 495         free( p_satellite );
 496         return -1;
 497     }
 498
 499     msg_Dbg( p_input, "setting filter on PAT" );
 500
 501     /* Set Filter on PAT packet */
 502     if ( ioctl_SetDMXFilter(p_input, 0, &i_fd, 21, u_adapter, u_device ) < 0 )
 503     {
 504 #   ifdef HAVE_ERRNO_H
 505         msg_Err( p_input, "an error occured when setting filter on PAT (%s)", strerror(errno) );
 506 #   else
 507         msg_Err( p_input, "an error occured when setting filter on PAT" );
 508 #   endif
 509         close( p_satellite->i_handle );
 510         free( p_satellite );
 511         return -1;
 512     }
 513
 514     if( input_InitStream( p_input, sizeof( stream_ts_data_t ) ) == -1 )
 515     {
 516         msg_Err( p_input, "could not initialize stream structure" );
 517         close( p_satellite->i_handle );
 518         free( p_satellite );
 519         return( -1 );
 520     }
 521
 522     vlc_mutex_lock( &p_input->stream.stream_lock );
 523
 524     p_input->stream.b_pace_control = 1;
 525     p_input->stream.b_seekable = 0;
 526     p_input->stream.p_selected_area->i_tell = 0;
 527
 528     vlc_mutex_unlock( &p_input->stream.stream_lock );
 529
 530     p_input->i_mtu = SATELLITE_READ_ONCE * TS_PACKET_SIZE;
 531     p_input->stream.i_method = INPUT_METHOD_SATELLITE;
 532
 533     return 0;
 534 }
 535
 536 /*****************************************************************************
 537  * Close : Close the device
 538  *****************************************************************************/
 539 void E_(Close) ( vlc_object_t *p_this )
 540 {
 541     input_thread_t *    p_input = (input_thread_t *)p_this;
 542     input_socket_t *    p_satellite;
 543     unsigned int        i_es_index;
 544
 545     if ( p_input->stream.p_selected_program )
 546     {
 547         for ( i_es_index = 1 ;
 548                 i_es_index < p_input->stream.p_selected_program->i_es_number;
 549                 i_es_index ++ )
 550         {
 551 #define p_es p_input->stream.p_selected_program->pp_es[i_es_index]
 552             if ( p_es->p_dec )
 553             {
 554                 ioctl_UnsetDMXFilter(p_input, p_es->i_demux_fd );
 555             }
 556 #undef p_es
 557         }
 558     }
 559
 560     p_satellite = (input_socket_t *)p_input;
 561     close( p_satellite->i_handle );
 562 }
 563
 564 /*****************************************************************************
 565  * SatelliteRead: reads data from the satellite card
 566  *****************************************************************************/
 567 static ssize_t SatelliteRead( input_thread_t * p_input, byte_t * p_buffer,
 568                               size_t i_len )
 569 {
 570     input_socket_t * p_access_data = (input_socket_t *)p_input->p_access_data;
 571     ssize_t i_ret;
 572     unsigned int u_adapter = 1;
 573     unsigned int u_device = 0;
 574     unsigned int i;
 575
 576     // Get adapter and device number to use for this dvb card
 577     u_adapter = config_GetInt( p_input, "adapter" );
 578     u_device  = config_GetInt( p_input, "device" );
 579
 580     /* if not set, set filters to the PMTs */
 581     for( i = 0; i < p_input->stream.i_pgrm_number; i++ )
 582     {
 583         if ( p_input->stream.pp_programs[i]->pp_es[0]->i_demux_fd == 0 )
 584         {
 585             ioctl_SetDMXFilter(p_input, p_input->stream.pp_programs[i]->pp_es[0]->i_id,
 586                        &p_input->stream.pp_programs[i]->pp_es[0]->i_demux_fd,
 587                        21, u_adapter, u_device );
 588         }
 589     }
 590
 591     i_ret = read( p_access_data->i_handle, p_buffer, i_len );
 592
 593     if( i_ret < 0 )
 594     {
 595 #   ifdef HAVE_ERRNO_H
 596         msg_Err( p_input, "read failed (%s)", strerror(errno) );
 597 #   else
 598         msg_Err( p_input, "read failed" );
 599 #   endif
 600     }
 601
 602     return i_ret;
 603 }
 604
 605 /*****************************************************************************
 606  * SatelliteSetArea : Does nothing
 607  *****************************************************************************/
 608 static int SatelliteSetArea( input_thread_t * p_input, input_area_t * p_area )
 609 {
 610     return -1;
 611 }
 612
 613 /*****************************************************************************
 614  * SatelliteSetProgram : Sets the card filters according to the
 615  *                 selected program,
 616  *                 and makes the appropriate changes to stream structure.
 617  *****************************************************************************/
 618 int SatelliteSetProgram( input_thread_t    * p_input,
 619                          pgrm_descriptor_t * p_new_prg )
 620 {
 621     unsigned int i_es_index;
 622     vlc_value_t val;
 623     unsigned int u_adapter = 1;
 624     unsigned int u_device = 0;
 625     unsigned int u_video_type = 1; /* default video type */
 626     unsigned int u_audio_type = 2; /* default audio type */
 627
 628     /* Get adapter and device number to use for this dvb card */
 629     u_adapter = config_GetInt( p_input, "adapter" );
 630     u_device  = config_GetInt( p_input, "device" );
 631
 632     if ( p_input->stream.p_selected_program )
 633     {
 634         for ( i_es_index = 1 ; /* 0 should be the PMT */
 635                 i_es_index < p_input->stream.p_selected_program->i_es_number ;
 636                 i_es_index ++ )
 637         {
 638 #define p_es p_input->stream.p_selected_program->pp_es[i_es_index]
 639             if ( p_es->p_dec )
 640             {
 641                 input_UnselectES( p_input , p_es );
 642             }
 643             if ( p_es->i_demux_fd > 0)
 644             {
 645                 ioctl_UnsetDMXFilter(p_input, p_es->i_demux_fd );
 646                 p_es->i_demux_fd = 0;
 647             }
 648 #undef p_es
 649         }
 650     }
 651
 652     for (i_es_index = 1 ; i_es_index < p_new_prg->i_es_number ; i_es_index ++ )
 653     {
 654 #define p_es p_new_prg->pp_es[i_es_index]
 655         switch( p_es->i_cat )
 656         {
 657             case MPEG1_VIDEO_ES:
 658             case MPEG2_VIDEO_ES:
 659             case MPEG2_MOTO_VIDEO_ES:
 660                 if ( input_SelectES( p_input , p_es ) == 0 )
 661                 {
 662                     ioctl_SetDMXFilter(p_input, p_es->i_id, &p_es->i_demux_fd, u_video_type,
 663                                        u_adapter, u_device);
 664                     u_video_type += 5;
 665                 }
 666                 break;
 667             case MPEG1_AUDIO_ES:
 668             case MPEG2_AUDIO_ES:
 669                 if ( input_SelectES( p_input , p_es ) == 0 )
 670                 {
 671                     ioctl_SetDMXFilter(p_input, p_es->i_id, &p_es->i_demux_fd, u_audio_type,
 672                                        u_adapter, u_device);
 673                     input_SelectES( p_input , p_es );
 674                     u_audio_type += 5;
 675                 }
 676                 break;
 677             default:
 678                 ioctl_SetDMXFilter(p_input, p_es->i_id, &p_es->i_demux_fd, 21, u_adapter, u_device);
 679                 input_SelectES( p_input , p_es );
 680                 msg_Warn(p_input, "ES streamtype 0x%d found used as DMX_PES_OTHER !!",(int) p_es->i_cat);
 681                 break;
 682 #undef p_es
 683         }
 684     }
 685
 686     p_input->stream.p_selected_program = p_new_prg;
 687
 688     /* Update the navigation variables without triggering a callback */
 689     val.i_int = p_new_prg->i_number;
 690     var_Change( p_input, "program", VLC_VAR_SETVALUE, &val, NULL );
 691
 692     return 0;
 693 }
 694
 695 /*****************************************************************************
 696  * SatelliteSeek: does nothing (not a seekable stream
 697  *****************************************************************************/
 698 static void SatelliteSeek( input_thread_t * p_input, off_t i_off )
 699 {
 700     ;
 701 }
 702