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                 (unsigned int)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_Err(p_input, "DVB Input old syntax deprecreated, use vlc -p dvb to see an explantion of the new syntax");
 344         return -1;
 345     }
 346
 347     /* Validating input values */
 348     if ( ((u_freq) > frontend_info.frequency_max) ||
 349          ((u_freq) < frontend_info.frequency_min) )
 350     {
 351         if ((u_freq) > frontend_info.frequency_max)
 352             msg_Err( p_input, "given frequency %u (kHz) > %u (kHz) max. frequency",
 353                      u_freq, frontend_info.frequency_max );
 354         else
 355             msg_Err( p_input, "given frequency %u (kHz) < %u (kHz) min.frequency",
 356                      u_freq, frontend_info.frequency_min );
 357         msg_Err( p_input, "baling out given frequency outside specification range for this frontend" );
 358         return -1;
 359     }
 360
 361     /* Workaround for backwards compatibility */
 362     if (strncmp( p_input->psz_access, "satellite", 9 ) ==0)
 363     {
 364         msg_Warn( p_input, "invalid symbol rate %d possibly specified in MHz, trying value *1000 KHz", u_freq );
 365         u_srate *= 1000;
 366     }
 367
 368     if ( ((u_srate) > frontend_info.symbol_rate_max) ||
 369          ((u_srate) < frontend_info.symbol_rate_min) )
 370     {
 371         msg_Warn( p_input, "invalid symbol rate, using default one" );
 372         u_srate = config_GetInt( p_input, "symbol-rate" );
 373         if ( ((u_srate) > frontend_info.symbol_rate_max) ||
 374              ((u_srate) < frontend_info.symbol_rate_min) )
 375         {
 376             msg_Err( p_input, "invalid default symbol rate" );
 377             return -1;
 378         }
 379     }
 380
 381     if( (i_fec > 9) || (i_fec < 1) )
 382     {
 383         msg_Warn( p_input, "invalid FEC, using default one" );
 384         i_fec = config_GetInt( p_input, "fec" );
 385         if( (i_fec > 9) || (i_fec < 1) )
 386         {
 387             msg_Err( p_input, "invalid default FEC" );
 388             return -1;
 389         }
 390     }
 391
 392     /* Setting frontend parameters for tuning the hardware */
 393     msg_Dbg( p_input, "Trying to tune to channel ...");
 394     switch( frontend_info.type )
 395     {
 396         /* DVB-S: satellite and budget cards (nova) */
 397         case FE_QPSK:
 398             fep.frequency = u_freq; /* KHz */
 399             fep.inversion = dvb_DecodeInversion(p_input, i_polarisation);
 400             fep.u.qpsk.symbol_rate = u_srate;
 401             fep.u.qpsk.fec_inner = dvb_DecodeFEC(p_input, i_fec);
 402             msg_Dbg( p_input, "DVB-S: satellite (QPSK) frontend %s found", frontend_info.name );
 403
 404             if (ioctl_SetQPSKFrontend (p_input, fep, i_polarisation,
 405                                u_lnb_lof1, u_lnb_lof2, u_lnb_slof,
 406                                u_adapter, u_device )<0)
 407             {
 408                 msg_Err( p_input, "DVB-S: tuning failed" );
 409                 return -1;
 410             }
 411             break;
 412
 413         /* DVB-C */
 414         case FE_QAM:
 415             fep.frequency = u_freq; /* in Hz */
 416             fep.inversion = dvb_DecodeInversion(p_input, i_polarisation);
 417             fep.u.qam.symbol_rate = u_srate;
 418             fep.u.qam.fec_inner = dvb_DecodeFEC(p_input, i_fec);
 419             fep.u.qam.modulation = dvb_DecodeModulation(p_input, i_modulation);
 420             msg_Dbg( p_input, "DVB-C: cable (QAM) frontend %s found", frontend_info.name );
 421             if (ioctl_SetQAMFrontend (p_input, fep, u_adapter, u_device )<0)
 422             {
 423                 msg_Err( p_input, "DVB-C: tuning failed" );
 424                 return -1;
 425             }
 426             break;
 427
 428         /* DVB-T */
 429         case FE_OFDM:
 430             fep.frequency = u_freq; /* in Hz */
 431             fep.inversion = dvb_DecodeInversion(p_input, i_polarisation);
 432             fep.u.ofdm.bandwidth = dvb_DecodeBandwidth(p_input, i_bandwidth);
 433             fep.u.ofdm.code_rate_HP = dvb_DecodeFEC(p_input, i_code_rate_HP);
 434             fep.u.ofdm.code_rate_LP = dvb_DecodeFEC(p_input, i_code_rate_LP);
 435             fep.u.ofdm.constellation = dvb_DecodeModulation(p_input, i_modulation);
 436             fep.u.ofdm.transmission_mode = dvb_DecodeTransmission(p_input, i_transmission);
 437             fep.u.ofdm.guard_interval = dvb_DecodeGuardInterval(p_input, i_guard);
 438             fep.u.ofdm.hierarchy_information = dvb_DecodeHierarchy(p_input, i_hierarchy);
 439             msg_Dbg( p_input, "DVB-T: terrestrial (OFDM) frontend %s found", frontend_info.name );
 440             if (ioctl_SetOFDMFrontend (p_input, fep,u_adapter, u_device )<0)
 441             {
 442                 msg_Err( p_input, "DVB-T: tuning failed" );
 443                 return -1;
 444             }
 445             break;
 446         default:
 447             msg_Err( p_input, "Could not determine frontend type on %s", frontend_info.name );
 448             return -1;
 449     }
 450     msg_Dbg( p_input, "Tuning done.");
 451
 452     /* Initialise structure */
 453     p_satellite = malloc( sizeof( input_socket_t ) );
 454
 455     if( p_satellite == NULL )
 456     {
 457         msg_Err( p_input, "out of memory" );
 458         return -1;
 459     }
 460
 461     p_input->p_access_data = (void *)p_satellite;
 462
 463     /* Open the DVR device */
 464     i_len = sizeof(DVR);
 465     if (snprintf(dvr, sizeof(DVR), DVR, u_adapter, u_device) >= i_len)
 466     {
 467         msg_Err( p_input, "snprintf() truncated string for DVR" );
 468         dvr[sizeof(DVR)] = '\0';
 469     }
 470     msg_Dbg( p_input, "opening DVR device '%s'", dvr );
 471
 472     if( (p_satellite->i_handle = open( dvr,
 473                                    /*O_NONBLOCK | O_LARGEFILE*/0 )) == (-1) )
 474     {
 475 #   ifdef HAVE_ERRNO_H
 476         msg_Warn( p_input, "cannot open `%s' (%s)", dvr, strerror(errno) );
 477 #   else
 478         msg_Warn( p_input, "cannot open `%s'", dvr );
 479 #   endif
 480         free( p_satellite );
 481         return -1;
 482     }
 483
 484     msg_Dbg( p_input, "setting filter on PAT" );
 485
 486     /* Set Filter on PAT packet */
 487     if ( ioctl_SetDMXFilter(p_input, 0, &i_fd, 21, u_adapter, u_device ) < 0 )
 488     {
 489 #   ifdef HAVE_ERRNO_H
 490         msg_Err( p_input, "an error occured when setting filter on PAT (%s)", strerror(errno) );
 491 #   else
 492         msg_Err( p_input, "an error occured when setting filter on PAT" );
 493 #   endif
 494         close( p_satellite->i_handle );
 495         free( p_satellite );
 496         return -1;
 497     }
 498
 499     if( input_InitStream( p_input, sizeof( stream_ts_data_t ) ) == -1 )
 500     {
 501         msg_Err( p_input, "could not initialize stream structure" );
 502         close( p_satellite->i_handle );
 503         free( p_satellite );
 504         return( -1 );
 505     }
 506
 507     vlc_mutex_lock( &p_input->stream.stream_lock );
 508
 509     p_input->stream.b_pace_control = 1;
 510     p_input->stream.b_seekable = 0;
 511     p_input->stream.p_selected_area->i_tell = 0;
 512
 513     vlc_mutex_unlock( &p_input->stream.stream_lock );
 514
 515     p_input->i_mtu = SATELLITE_READ_ONCE * TS_PACKET_SIZE;
 516     p_input->stream.i_method = INPUT_METHOD_SATELLITE;
 517
 518     return 0;
 519 }
 520
 521 /*****************************************************************************
 522  * Close : Close the device
 523  *****************************************************************************/
 524 void E_(Close) ( vlc_object_t *p_this )
 525 {
 526     input_thread_t *    p_input = (input_thread_t *)p_this;
 527     input_socket_t *    p_satellite;
 528     unsigned int        i_es_index;
 529
 530     if ( p_input->stream.p_selected_program )
 531     {
 532         for ( i_es_index = 1 ;
 533                 i_es_index < p_input->stream.p_selected_program->i_es_number;
 534                 i_es_index ++ )
 535         {
 536 #define p_es p_input->stream.p_selected_program->pp_es[i_es_index]
 537             if ( p_es->p_dec )
 538             {
 539                 ioctl_UnsetDMXFilter(p_input, p_es->i_demux_fd );
 540             }
 541 #undef p_es
 542         }
 543     }
 544
 545     p_satellite = (input_socket_t *)p_input;
 546     close( p_satellite->i_handle );
 547 }
 548
 549 /*****************************************************************************
 550  * SatelliteRead: reads data from the satellite card
 551  *****************************************************************************/
 552 static ssize_t SatelliteRead( input_thread_t * p_input, byte_t * p_buffer,
 553                               size_t i_len )
 554 {
 555     input_socket_t * p_access_data = (input_socket_t *)p_input->p_access_data;
 556     ssize_t i_ret;
 557     unsigned int u_adapter = 1;
 558     unsigned int u_device = 0;
 559     unsigned int i;
 560
 561     // Get adapter and device number to use for this dvb card
 562     u_adapter = config_GetInt( p_input, "adapter" );
 563     u_device  = config_GetInt( p_input, "device" );
 564
 565     /* if not set, set filters to the PMTs */
 566     for( i = 0; i < p_input->stream.i_pgrm_number; i++ )
 567     {
 568         if ( p_input->stream.pp_programs[i]->pp_es[0]->i_demux_fd == 0 )
 569         {
 570             ioctl_SetDMXFilter(p_input, p_input->stream.pp_programs[i]->pp_es[0]->i_id,
 571                        &p_input->stream.pp_programs[i]->pp_es[0]->i_demux_fd,
 572                        21, u_adapter, u_device );
 573         }
 574     }
 575
 576     i_ret = read( p_access_data->i_handle, p_buffer, i_len );
 577
 578     if( i_ret < 0 )
 579     {
 580 #   ifdef HAVE_ERRNO_H
 581         msg_Err( p_input, "read failed (%s)", strerror(errno) );
 582 #   else
 583         msg_Err( p_input, "read failed" );
 584 #   endif
 585     }
 586
 587     return i_ret;
 588 }
 589
 590 /*****************************************************************************
 591  * SatelliteSetArea : Does nothing
 592  *****************************************************************************/
 593 static int SatelliteSetArea( input_thread_t * p_input, input_area_t * p_area )
 594 {
 595     return -1;
 596 }
 597
 598 /*****************************************************************************
 599  * SatelliteSetProgram : Sets the card filters according to the
 600  *                 selected program,
 601  *                 and makes the appropriate changes to stream structure.
 602  *****************************************************************************/
 603 int SatelliteSetProgram( input_thread_t    * p_input,
 604                          pgrm_descriptor_t * p_new_prg )
 605 {
 606     unsigned int i_es_index;
 607     vlc_value_t val;
 608     unsigned int u_adapter = 1;
 609     unsigned int u_device = 0;
 610     unsigned int u_video_type = 1; /* default video type */
 611     unsigned int u_audio_type = 2; /* default audio type */
 612
 613     /* Get adapter and device number to use for this dvb card */
 614     u_adapter = config_GetInt( p_input, "adapter" );
 615     u_device  = config_GetInt( p_input, "device" );
 616
 617     if ( p_input->stream.p_selected_program )
 618     {
 619         for ( i_es_index = 1 ; /* 0 should be the PMT */
 620                 i_es_index < p_input->stream.p_selected_program->i_es_number ;
 621                 i_es_index ++ )
 622         {
 623 #define p_es p_input->stream.p_selected_program->pp_es[i_es_index]
 624             if ( p_es->p_dec )
 625             {
 626                 input_UnselectES( p_input , p_es );
 627             }
 628             if ( p_es->i_demux_fd > 0)
 629             {
 630                 ioctl_UnsetDMXFilter(p_input, p_es->i_demux_fd );
 631                 p_es->i_demux_fd = 0;
 632             }
 633 #undef p_es
 634         }
 635     }
 636
 637     for (i_es_index = 1 ; i_es_index < p_new_prg->i_es_number ; i_es_index ++ )
 638     {
 639 #define p_es p_new_prg->pp_es[i_es_index]
 640         switch( p_es->i_cat )
 641         {
 642             case MPEG1_VIDEO_ES:
 643             case MPEG2_VIDEO_ES:
 644             case MPEG2_MOTO_VIDEO_ES:
 645                 if ( input_SelectES( p_input , p_es ) == 0 )
 646                 {
 647                     ioctl_SetDMXFilter(p_input, p_es->i_id, &p_es->i_demux_fd, u_video_type,
 648                                        u_adapter, u_device);
 649                     u_video_type += 5;
 650                 }
 651                 break;
 652             case MPEG1_AUDIO_ES:
 653             case MPEG2_AUDIO_ES:
 654                 if ( input_SelectES( p_input , p_es ) == 0 )
 655                 {
 656                     ioctl_SetDMXFilter(p_input, p_es->i_id, &p_es->i_demux_fd, u_audio_type,
 657                                        u_adapter, u_device);
 658                     input_SelectES( p_input , p_es );
 659                     u_audio_type += 5;
 660                 }
 661                 break;
 662             default:
 663                 ioctl_SetDMXFilter(p_input, p_es->i_id, &p_es->i_demux_fd, 21, u_adapter, u_device);
 664                 input_SelectES( p_input , p_es );
 665                 msg_Warn(p_input, "ES streamtype 0x%d found used as DMX_PES_OTHER !!",(int) p_es->i_cat);
 666                 break;
 667 #undef p_es
 668         }
 669     }
 670
 671     p_input->stream.p_selected_program = p_new_prg;
 672
 673     /* Update the navigation variables without triggering a callback */
 674     val.i_int = p_new_prg->i_number;
 675     var_Change( p_input, "program", VLC_VAR_SETVALUE, &val, NULL );
 676
 677     return 0;
 678 }
 679
 680 /*****************************************************************************
 681  * SatelliteSeek: does nothing (not a seekable stream
 682  *****************************************************************************/
 683 static void SatelliteSeek( input_thread_t * p_input, off_t i_off )
 684 {
 685     ;
 686 }
 687