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     vlc_bool_t          b_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
 134     /* Determine frontend device information and capabilities */
 135     b_probe = config_GetInt( p_input, "probe" );
 136     if (b_probe)
 137     {
 138         if ( ioctl_InfoFrontend(p_input, &frontend_info, u_adapter, u_device) < 0 )
 139         {
 140             msg_Err( p_input, "(access) cannot determine frontend info" );
 141             return -1;
 142         }
 143     }
 144     else /* no frontend probing is done so use default border values. */
 145     {
 146         msg_Dbg( p_input, "using default values for frontend info" );
 147         i_len = sizeof(FRONTEND);
 148         if (snprintf(frontend, sizeof(FRONTEND), FRONTEND, u_adapter, u_device) >= i_len)
 149         {
 150             msg_Err( p_input, "snprintf() truncated string for FRONTEND" );
 151             frontend[sizeof(FRONTEND)] = '\0';
 152         }
 153         strncpy(frontend_info.name, frontend, 128);
 154
 155         msg_Dbg(p_input, "method of access is %s", p_input->psz_access);
 156
 157         frontend_info.type = FE_QPSK;
 158         if (strncmp( p_input->psz_access, "qpsk",4 ) ==0)
 159             frontend_info.type = FE_QPSK;
 160         else if (strncmp( p_input->psz_access, "cable",5 ) ==0)
 161             frontend_info.type = FE_QAM;
 162         else if (strncmp( p_input->psz_access, "terrestrial",11) ==0)
 163             frontend_info.type = FE_OFDM;
 164
 165 //        frontend_info.frequency_max =   12999000; /* in KHz, lnb_lof2 */
 166 //        frontend_info.frequency_min =    9750000; /* lnb_lof1 */
 167
 168         frontend_info.frequency_max = u_lnb_lof2; /* in KHz, lnb_lof2 */
 169         frontend_info.frequency_min = u_lnb_lof1; /* lnb_lof1 */
 170
 171         frontend_info.symbol_rate_max = 30000000;
 172         frontend_info.symbol_rate_min =  1000000;
 173     }
 174
 175     /* Register Callback functions */
 176     p_input->pf_read = SatelliteRead;
 177     p_input->pf_set_program = SatelliteSetProgram;
 178     p_input->pf_set_area = SatelliteSetArea;
 179     p_input->pf_seek = SatelliteSeek;
 180
 181     i_test = strtol( psz_parser, &psz_next, 10 );
 182     if ( psz_next == psz_parser )
 183     {
 184         for ( ;; )
 185         {
 186             if( !strncmp( psz_parser, "frequency=",
 187                                strlen( "frequency=" ) ) )
 188             {
 189                 u_freq =
 190                   strtol( psz_parser + strlen( "frequency=" ),
 191                             &psz_parser, 0 );
 192             }
 193             else if( !strncmp( psz_parser, "polarization=",
 194                                strlen( "polarization=" ) ) )
 195             {
 196                 char *psz_parser_init;
 197                 psz_parser += strlen( "polarization=" );
 198                 psz_parser_init = psz_parser;
 199                 while ( *psz_parser != ':')
 200                 {
 201                 psz_parser++;
 202                 }
 203                 if ((!strncmp( psz_parser_init, "V" ,
 204                      psz_parser - psz_parser_init ) ) ||
 205                    (!strncmp( psz_parser_init, "V" ,
 206                      psz_parser - psz_parser_init ) ) )
 207                 {
 208                     b_polarisation = VLC_FALSE;
 209                 }
 210                 else if ((!strncmp( psz_parser_init, "H" ,
 211                      psz_parser - psz_parser_init ) ) ||
 212                    (!strncmp( psz_parser_init, "h" ,
 213                      psz_parser - psz_parser_init ) ) )
 214
 215                 {
 216                     b_polarisation = VLC_TRUE;
 217                 }
 218             }
 219             else if( !strncmp( psz_parser, "fec=",
 220                                strlen( "fec=" ) ) )
 221             {
 222                 i_fec =
 223                 (int)strtol( psz_parser + strlen( "fec=" ),
 224                             &psz_parser, 0 );
 225             }
 226             else if( !strncmp( psz_parser, "srate=",
 227                                strlen( "srate=" ) ) )
 228             {
 229                 u_srate =
 230                 (unsigned int)strtol( psz_parser + strlen( "srate=" ),
 231                             &psz_parser, 0 );
 232             }
 233             else if( !strncmp( psz_parser, "program=",
 234                                strlen( "program=" ) ) )
 235             {
 236                 val.i_int = (int)strtol( psz_parser + strlen( "program=" ),
 237                             &psz_parser, 0 );
 238                 var_Set( p_input, "program", val );
 239             }
 240             else if( !strncmp( psz_parser, "diseqc",
 241                                strlen( "disecq" ) ) )
 242             {
 243                 psz_parser += strlen("disecq");
 244                 b_diseqc = VLC_TRUE;
 245             }
 246             else if( !strncmp( psz_parser, "lnb-lof1=",
 247                                strlen( "lnb-lof1=" ) ) )
 248             {
 249                 u_lnb_lof1 =
 250                 (unsigned int)strtol( psz_parser + strlen( "lnb_lof1=" ),
 251                             &psz_parser, 0 );
 252             }
 253             else if( !strncmp( psz_parser, "lnb-lof2=",
 254                                strlen( "lnb-lof2=" ) ) )
 255             {
 256                 u_lnb_lof2 =
 257                 (unsigned int)strtol( psz_parser + strlen( "lnb_lof2=" ),
 258                             &psz_parser, 0 );
 259             }
 260             else if( !strncmp( psz_parser, "lnb-slof=",
 261                                strlen( "lnb-slof=" ) ) )
 262             {
 263                 u_lnb_slof =
 264                 (unsigned int)strtol( psz_parser + strlen( "lnb_slof=" ),
 265                             &psz_parser, 0 );
 266             }
 267             else if( !strncmp( psz_parser, "device=",
 268                                strlen( "device=" ) ) )
 269             {
 270                 u_device =
 271                 (unsigned int)strtol( psz_parser + strlen( "device=" ),
 272                             &psz_parser, 0 );
 273             }
 274             else if( !strncmp( psz_parser, "adapter=",
 275                                strlen( "adapter=" ) ) )
 276             {
 277                 u_adapter =
 278                 (unsigned int)strtol( psz_parser + strlen( "adapter=" ),
 279                             &psz_parser, 0 );
 280             }
 281             else if (!strncmp( psz_parser, "modulation=",
 282                                strlen( "modulation=" ) ) )
 283             {
 284                 i_modulation = (int)strtol( psz_parser + strlen( "modulation=" ),
 285                             &psz_parser, 0 );
 286             }
 287             else if (!strncmp( psz_parser, "bandwidth=",
 288                                strlen( "bandwidth=" ) ) )
 289             {
 290                 i_bandwidth = (int)strtol( psz_parser + strlen( "bandwidth=" ),
 291                             &psz_parser, 0 );
 292             }
 293             else if (!strncmp( psz_parser, "guard=",
 294                                strlen( "guard=" ) ) )
 295             {
 296                 i_guard = (int)strtol( psz_parser + strlen( "guard=" ),
 297                             &psz_parser, 0 );
 298             }
 299             else if (!strncmp( psz_parser, "transmission=",
 300                                strlen( "transmission=" ) ) )
 301             {
 302                 i_transmission = (int)strtol( psz_parser +
 303                             strlen( "transmission=" ),&psz_parser, 0 );
 304             }
 305             else if (!strncmp( psz_parser, "hierarchy=",
 306                                strlen( "hierarchy=" ) ) )
 307             {
 308                 i_hierarchy = (int)strtol( psz_parser +
 309                                 strlen( "hierarchy=" ),&psz_parser, 0 );
 310             }
 311             else if (!strncmp( psz_parser, "code-rate-HP=",
 312                                strlen( "code-rate-HP=" ) ) )
 313             {
 314                 i_code_rate_HP = (int)strtol( psz_parser +
 315                                 strlen( "code-rate-HP=" ),&psz_parser, 0 );
 316             }
 317             else if (!strncmp( psz_parser, "code-rate-LP=",
 318                                strlen( "code-rate-LP=" ) ) )
 319             {
 320                 i_code_rate_LP = (int)strtol( psz_parser +
 321                                 strlen( "code-rate-LP=" ),&psz_parser, 0 );
 322             }
 323             else if( !strncmp( psz_parser, "probe",
 324                                strlen( "probe" ) ) )
 325             {
 326                 psz_parser += strlen("probe");
 327                 b_probe = VLC_TRUE;
 328             }
 329             if( *psz_parser )
 330                 psz_parser++;
 331             else
 332             break;
 333         }
 334     }
 335     else
 336     {
 337         msg_Warn(p_input,"DVB Input syntax has changed, please see documentation for further informations");
 338         u_freq = (unsigned int)i_test;
 339         if( *psz_next )
 340         {
 341             psz_parser = psz_next + 1;
 342             b_polarisation = (vlc_bool_t)strtol( psz_parser, &psz_next, 10 );
 343             if( *psz_next )
 344             {
 345                 psz_parser = psz_next + 1;
 346                 i_fec = (int)strtol( psz_parser, &psz_next, 10 );
 347                 if( *psz_next )
 348                 {
 349                     psz_parser = psz_next + 1;
 350                     u_srate = (unsigned int)strtol( psz_parser, &psz_next, 10 );
 351                 }
 352             }
 353         }
 354     }
 355
 356     /* Validating input values */
 357     if ( ((u_freq) > frontend_info.frequency_max) ||
 358          ((u_freq) < frontend_info.frequency_min) )
 359     {
 360         msg_Warn( p_input, "invalid frequency %d (KHz), using default one", u_freq );
 361         u_freq = config_GetInt( p_input, "frequency" );
 362         if ( ((u_freq) > frontend_info.frequency_max) ||
 363              ((u_freq) < frontend_info.frequency_min) )
 364         {
 365             msg_Err( p_input, "invalid default frequency" );
 366             return -1;
 367         }
 368     }
 369
 370     /* Workaround for backwards compatibility */
 371     if (strncmp( p_input->psz_access, "satellite", 9 ) ==0)
 372     {
 373         msg_Warn( p_input, "invalid symbol rate %d possibly specified in MHz, trying value *1000 KHz", u_freq );
 374         u_srate *= 1000;
 375     }
 376
 377     if ( ((u_srate) > frontend_info.symbol_rate_max) ||
 378          ((u_srate) < frontend_info.symbol_rate_min) )
 379     {
 380         msg_Warn( p_input, "invalid symbol rate, using default one" );
 381         u_srate = config_GetInt( p_input, "symbol-rate" );
 382         if ( ((u_srate) > frontend_info.symbol_rate_max) ||
 383              ((u_srate) < frontend_info.symbol_rate_min) )
 384         {
 385             msg_Err( p_input, "invalid default symbol rate" );
 386             return -1;
 387         }
 388     }
 389
 390     if( b_polarisation && (b_polarisation != 1) )
 391     {
 392         msg_Warn( p_input, "invalid polarization, using default one" );
 393         b_polarisation = config_GetInt( p_input, "polarization" );
 394         if( b_polarisation && b_polarisation != 1 )
 395         {
 396             msg_Err( p_input, "invalid default polarization" );
 397             return -1;
 398         }
 399     }
 400
 401     if( (i_fec > 9) || (i_fec < 1) )
 402     {
 403         msg_Warn( p_input, "invalid FEC, using default one" );
 404         i_fec = config_GetInt( p_input, "fec" );
 405         if( (i_fec > 9) || (i_fec < 1) )
 406         {
 407             msg_Err( p_input, "invalid default FEC" );
 408             return -1;
 409         }
 410     }
 411
 412     /* Setting frontend parameters for tuning the hardware */
 413     msg_Dbg( p_input, "Trying to tune to channel ...");
 414     switch( frontend_info.type )
 415     {
 416         /* DVB-S: satellite and budget cards (nova) */
 417         case FE_QPSK:
 418             fep.frequency = u_freq; /* KHz */
 419             fep.inversion = dvb_DecodeInversion(p_input, (int) b_polarisation);
 420             fep.u.qpsk.symbol_rate = u_srate;
 421             fep.u.qpsk.fec_inner = dvb_DecodeFEC(p_input, i_fec);
 422             msg_Dbg( p_input, "satellite (QPSK) frontend found on %s", frontend_info.name );
 423
 424             if (ioctl_SetQPSKFrontend (p_input, fep, b_polarisation,
 425                                u_lnb_lof1, u_lnb_lof2, u_lnb_slof,
 426                                u_adapter, u_device )<0)
 427             {
 428                 msg_Err( p_input, "DVB-S frontend returned a failure event" );
 429                 return -1;
 430             }
 431             break;
 432
 433         /* DVB-C */
 434         case FE_QAM:
 435             fep.frequency = u_freq; /* KHz */
 436             fep.inversion = dvb_DecodeInversion(p_input, (int) b_polarisation);
 437             fep.u.qam.symbol_rate = u_srate;
 438             fep.u.qam.fec_inner = dvb_DecodeFEC(p_input, i_fec);
 439             fep.u.qam.modulation = dvb_DecodeModulation(p_input, i_modulation);
 440             msg_Dbg( p_input, "cable (QAM) frontend found on %s", frontend_info.name );
 441             if (ioctl_SetQAMFrontend (p_input, fep, u_adapter, u_device )<0)
 442             {
 443                 msg_Err( p_input, "DVB-C frontend returned a failure event" );
 444                 return -1;
 445             }
 446             break;
 447
 448         /* DVB-T */
 449         case FE_OFDM:
 450             fep.frequency = u_freq; /* KHz */
 451             fep.inversion = dvb_DecodeInversion(p_input, (int) b_polarisation);
 452             fep.u.ofdm.bandwidth = dvb_DecodeBandwidth(p_input, i_bandwidth);
 453             fep.u.ofdm.code_rate_HP = dvb_DecodeFEC(p_input, i_code_rate_HP);
 454             fep.u.ofdm.code_rate_LP = dvb_DecodeFEC(p_input, i_code_rate_LP);
 455             fep.u.ofdm.constellation = dvb_DecodeModulation(p_input, i_modulation);
 456             fep.u.ofdm.transmission_mode = dvb_DecodeTransmission(p_input, i_transmission);
 457             fep.u.ofdm.guard_interval = dvb_DecodeGuardInterval(p_input, i_guard);
 458             fep.u.ofdm.hierarchy_information = dvb_DecodeHierarchy(p_input, i_hierarchy);
 459             msg_Dbg( p_input, "terrestrial (OFDM) frontend found on %s", frontend_info.name );
 460             if (ioctl_SetOFDMFrontend (p_input, fep,u_adapter, u_device )<0)
 461             {
 462                 msg_Err( p_input, "DVB-T frontend returned a failure event" );
 463                 return -1;
 464             }
 465             break;
 466         default:
 467             msg_Err( p_input, "Could not determine frontend type on %s", frontend_info.name );
 468             return -1;
 469     }
 470     msg_Dbg( p_input, "Tuning done.");
 471
 472     /* Initialise structure */
 473     p_satellite = malloc( sizeof( input_socket_t ) );
 474
 475     if( p_satellite == NULL )
 476     {
 477         msg_Err( p_input, "out of memory" );
 478         return -1;
 479     }
 480
 481     p_input->p_access_data = (void *)p_satellite;
 482
 483     /* Open the DVR device */
 484     i_len = sizeof(DVR);
 485     if (snprintf(dvr, sizeof(DVR), DVR, u_adapter, u_device) >= i_len)
 486     {
 487         msg_Err( p_input, "snprintf() truncated string for DVR" );
 488         dvr[sizeof(DVR)] = '\0';
 489     }
 490     msg_Dbg( p_input, "opening DVR device '%s'", dvr );
 491
 492     if( (p_satellite->i_handle = open( dvr,
 493                                    /*O_NONBLOCK | O_LARGEFILE*/0 )) == (-1) )
 494     {
 495 #   ifdef HAVE_ERRNO_H
 496         msg_Warn( p_input, "cannot open `%s' (%s)", dvr, strerror(errno) );
 497 #   else
 498         msg_Warn( p_input, "cannot open `%s'", dvr );
 499 #   endif
 500         free( p_satellite );
 501         return -1;
 502     }
 503
 504     msg_Dbg( p_input, "setting filter on PAT" );
 505
 506     /* Set Filter on PAT packet */
 507     if ( ioctl_SetDMXFilter(p_input, 0, &i_fd, 21, u_adapter, u_device ) < 0 )
 508     {
 509 #   ifdef HAVE_ERRNO_H
 510         msg_Err( p_input, "an error occured when setting filter on PAT (%s)", strerror(errno) );
 511 #   else
 512         msg_Err( p_input, "an error occured when setting filter on PAT" );
 513 #   endif
 514         close( p_satellite->i_handle );
 515         free( p_satellite );
 516         return -1;
 517     }
 518
 519     if( input_InitStream( p_input, sizeof( stream_ts_data_t ) ) == -1 )
 520     {
 521         msg_Err( p_input, "could not initialize stream structure" );
 522         close( p_satellite->i_handle );
 523         free( p_satellite );
 524         return( -1 );
 525     }
 526
 527     vlc_mutex_lock( &p_input->stream.stream_lock );
 528
 529     p_input->stream.b_pace_control = 1;
 530     p_input->stream.b_seekable = 0;
 531     p_input->stream.p_selected_area->i_tell = 0;
 532
 533     vlc_mutex_unlock( &p_input->stream.stream_lock );
 534
 535     p_input->i_mtu = SATELLITE_READ_ONCE * TS_PACKET_SIZE;
 536     p_input->stream.i_method = INPUT_METHOD_SATELLITE;
 537
 538     return 0;
 539 }
 540
 541 /*****************************************************************************
 542  * Close : Close the device
 543  *****************************************************************************/
 544 void E_(Close) ( vlc_object_t *p_this )
 545 {
 546     input_thread_t *    p_input = (input_thread_t *)p_this;
 547     input_socket_t *    p_satellite;
 548     unsigned int        i_es_index;
 549
 550     if ( p_input->stream.p_selected_program )
 551     {
 552         for ( i_es_index = 1 ;
 553                 i_es_index < p_input->stream.p_selected_program->i_es_number;
 554                 i_es_index ++ )
 555         {
 556 #define p_es p_input->stream.p_selected_program->pp_es[i_es_index]
 557             if ( p_es->p_decoder_fifo )
 558             {
 559                 ioctl_UnsetDMXFilter(p_input, p_es->i_demux_fd );
 560             }
 561 #undef p_es
 562         }
 563     }
 564
 565     p_satellite = (input_socket_t *)p_input;
 566     close( p_satellite->i_handle );
 567 }
 568
 569 /*****************************************************************************
 570  * SatelliteRead: reads data from the satellite card
 571  *****************************************************************************/
 572 static ssize_t SatelliteRead( input_thread_t * p_input, byte_t * p_buffer,
 573                               size_t i_len )
 574 {
 575     input_socket_t * p_access_data = (input_socket_t *)p_input->p_access_data;
 576     ssize_t i_ret;
 577     unsigned int u_adapter = 1;
 578     unsigned int u_device = 0;
 579     unsigned int i;
 580
 581     // Get adapter and device number to use for this dvb card
 582     u_adapter = config_GetInt( p_input, "adapter" );
 583     u_device  = config_GetInt( p_input, "device" );
 584
 585     /* if not set, set filters to the PMTs */
 586     for( i = 0; i < p_input->stream.i_pgrm_number; i++ )
 587     {
 588         if ( p_input->stream.pp_programs[i]->pp_es[0]->i_demux_fd == 0 )
 589         {
 590             ioctl_SetDMXFilter(p_input, p_input->stream.pp_programs[i]->pp_es[0]->i_id,
 591                        &p_input->stream.pp_programs[i]->pp_es[0]->i_demux_fd,
 592                        21, u_adapter, u_device );
 593         }
 594     }
 595
 596     i_ret = read( p_access_data->i_handle, p_buffer, i_len );
 597
 598     if( i_ret < 0 )
 599     {
 600 #   ifdef HAVE_ERRNO_H
 601         msg_Err( p_input, "read failed (%s)", strerror(errno) );
 602 #   else
 603         msg_Err( p_input, "read failed" );
 604 #   endif
 605     }
 606
 607     return i_ret;
 608 }
 609
 610 /*****************************************************************************
 611  * SatelliteSetArea : Does nothing
 612  *****************************************************************************/
 613 static int SatelliteSetArea( input_thread_t * p_input, input_area_t * p_area )
 614 {
 615     return -1;
 616 }
 617
 618 /*****************************************************************************
 619  * SatelliteSetProgram : Sets the card filters according to the
 620  *                 selected program,
 621  *                 and makes the appropriate changes to stream structure.
 622  *****************************************************************************/
 623 int SatelliteSetProgram( input_thread_t    * p_input,
 624                          pgrm_descriptor_t * p_new_prg )
 625 {
 626     unsigned int i_es_index;
 627     vlc_value_t val;
 628     unsigned int u_adapter = 1;
 629     unsigned int u_device = 0;
 630     unsigned int u_video_type = 1; /* default video type */
 631     unsigned int u_audio_type = 2; /* default audio type */
 632
 633     /* Get adapter and device number to use for this dvb card */
 634     u_adapter = config_GetInt( p_input, "adapter" );
 635     u_device  = config_GetInt( p_input, "device" );
 636
 637     if ( p_input->stream.p_selected_program )
 638     {
 639         for ( i_es_index = 1 ; /* 0 should be the PMT */
 640                 i_es_index < p_input->stream.p_selected_program->i_es_number ;
 641                 i_es_index ++ )
 642         {
 643 #define p_es p_input->stream.p_selected_program->pp_es[i_es_index]
 644             if ( p_es->p_decoder_fifo )
 645             {
 646                 input_UnselectES( p_input , p_es );
 647             }
 648             if ( p_es->i_demux_fd > 0)
 649             {
 650                 ioctl_UnsetDMXFilter(p_input, p_es->i_demux_fd );
 651                 p_es->i_demux_fd = 0;
 652             }
 653 #undef p_es
 654         }
 655     }
 656
 657     for (i_es_index = 1 ; i_es_index < p_new_prg->i_es_number ; i_es_index ++ )
 658     {
 659 #define p_es p_new_prg->pp_es[i_es_index]
 660         switch( p_es->i_cat )
 661         {
 662             case MPEG1_VIDEO_ES:
 663             case MPEG2_VIDEO_ES:
 664             case MPEG2_MOTO_VIDEO_ES:
 665                 if ( input_SelectES( p_input , p_es ) == 0 )
 666                 {
 667                     ioctl_SetDMXFilter(p_input, p_es->i_id, &p_es->i_demux_fd, u_video_type,
 668                                        u_adapter, u_device);
 669                     u_video_type += 5;
 670                 }
 671                 break;
 672             case MPEG1_AUDIO_ES:
 673             case MPEG2_AUDIO_ES:
 674                 if ( input_SelectES( p_input , p_es ) == 0 )
 675                 {
 676                     ioctl_SetDMXFilter(p_input, p_es->i_id, &p_es->i_demux_fd, u_audio_type,
 677                                        u_adapter, u_device);
 678                     input_SelectES( p_input , p_es );
 679                     u_audio_type += 5;
 680                 }
 681                 break;
 682             default:
 683                 ioctl_SetDMXFilter(p_input, p_es->i_id, &p_es->i_demux_fd, 21, u_adapter, u_device);
 684                 input_SelectES( p_input , p_es );
 685                 msg_Warn(p_input, "ES streamtype 0x%d found used as DMX_PES_OTHER !!",(int) p_es->i_cat);
 686                 break;
 687 #undef p_es
 688         }
 689     }
 690
 691     p_input->stream.p_selected_program = p_new_prg;
 692
 693     /* Update the navigation variables without triggering a callback */
 694     val.i_int = p_new_prg->i_number;
 695     var_Change( p_input, "program", VLC_VAR_SETVALUE, &val, NULL );
 696
 697     return 0;
 698 }
 699
 700 /*****************************************************************************
 701  * SatelliteSeek: does nothing (not a seekable stream
 702  *****************************************************************************/
 703 static void SatelliteSeek( input_thread_t * p_input, off_t i_off )
 704 {
 705     ;
 706 }
 707