linux_dvb.c
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上传用户:kjfoods
上传日期:2020-07-06
资源大小:29949k
文件大小:65k
源码类别:
midi
开发平台:
Unix_Linux
- /*****************************************************************************
- * linux_dvb.c : functions to control a DVB card under Linux with v4l2
- *****************************************************************************
- * Copyright (C) 1998-2005 the VideoLAN team
- *
- * Authors: Damien Lucas <nitrox@via.ecp.fr>
- * Johan Bilien <jobi@via.ecp.fr>
- * Jean-Paul Saman <jpsaman _at_ videolan _dot_ org>
- * Christopher Ross <chris@tebibyte.org>
- * Christophe Massiot <massiot@via.ecp.fr>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
- *****************************************************************************/
- #ifdef HAVE_CONFIG_H
- # include "config.h"
- #endif
- #include <vlc_common.h>
- #include <vlc_access.h>
- #include <sys/ioctl.h>
- #include <errno.h>
- #include <sys/types.h>
- #include <sys/stat.h>
- #include <fcntl.h>
- #include <time.h>
- #include <unistd.h>
- #include <sys/stat.h>
- #include <sys/poll.h>
- /* DVB Card Drivers */
- #include <linux/dvb/version.h>
- #include <linux/dvb/dmx.h>
- #include <linux/dvb/frontend.h>
- #include <linux/dvb/ca.h>
- /* Include dvbpsi headers */
- #ifdef HAVE_DVBPSI_DR_H
- # include <dvbpsi/dvbpsi.h>
- # include <dvbpsi/descriptor.h>
- # include <dvbpsi/pat.h>
- # include <dvbpsi/pmt.h>
- # include <dvbpsi/dr.h>
- # include <dvbpsi/psi.h>
- # include <dvbpsi/demux.h>
- # include <dvbpsi/sdt.h>
- #else
- # include "dvbpsi.h"
- # include "descriptor.h"
- # include "tables/pat.h"
- # include "tables/pmt.h"
- # include "descriptors/dr.h"
- # include "psi.h"
- # include "demux.h"
- # include "tables/sdt.h"
- #endif
- #ifdef ENABLE_HTTPD
- # include "vlc_httpd.h"
- #endif
- #include "dvb.h"
- /*
- * Frontends
- */
- struct frontend_t
- {
- fe_status_t i_last_status;
- struct dvb_frontend_info info;
- };
- #define FRONTEND_LOCK_TIMEOUT 10000000 /* 10 s */
- /* Local prototypes */
- static int FrontendInfo( access_t * );
- static int FrontendSetQPSK( access_t * );
- static int FrontendSetQAM( access_t * );
- static int FrontendSetOFDM( access_t * );
- static int FrontendSetATSC( access_t * );
- /*****************************************************************************
- * FrontendOpen : Determine frontend device information and capabilities
- *****************************************************************************/
- int FrontendOpen( access_t *p_access )
- {
- access_sys_t *p_sys = p_access->p_sys;
- frontend_t * p_frontend;
- unsigned int i_adapter, i_device;
- bool b_probe;
- char frontend[128];
- i_adapter = var_GetInteger( p_access, "dvb-adapter" );
- i_device = var_GetInteger( p_access, "dvb-device" );
- b_probe = var_GetBool( p_access, "dvb-probe" );
- if( snprintf( frontend, sizeof(frontend), FRONTEND, i_adapter, i_device ) >= (int)sizeof(frontend) )
- {
- msg_Err( p_access, "snprintf() truncated string for FRONTEND" );
- frontend[sizeof(frontend) - 1] = ' ';
- }
- p_sys->p_frontend = p_frontend = malloc( sizeof(frontend_t) );
- if( !p_frontend )
- return VLC_ENOMEM;
- msg_Dbg( p_access, "Opening device %s", frontend );
- if( (p_sys->i_frontend_handle = open(frontend, O_RDWR | O_NONBLOCK)) < 0 )
- {
- msg_Err( p_access, "FrontEndOpen: opening device failed (%m)" );
- free( p_frontend );
- return VLC_EGENERIC;
- }
- if( b_probe )
- {
- const char * psz_expected = NULL;
- const char * psz_real;
- if( FrontendInfo( p_access ) < 0 )
- {
- close( p_sys->i_frontend_handle );
- free( p_frontend );
- return VLC_EGENERIC;
- }
- switch( p_frontend->info.type )
- {
- case FE_OFDM:
- psz_real = "DVB-T";
- break;
- case FE_QAM:
- psz_real = "DVB-C";
- break;
- case FE_QPSK:
- psz_real = "DVB-S";
- break;
- case FE_ATSC:
- psz_real = "ATSC";
- break;
- default:
- psz_real = "unknown";
- }
- /* Sanity checks */
- if( (!strncmp( p_access->psz_access, "qpsk", 4 ) ||
- !strncmp( p_access->psz_access, "dvb-s", 5 ) ||
- !strncmp( p_access->psz_access, "satellite", 9 ) ) &&
- (p_frontend->info.type != FE_QPSK) )
- {
- psz_expected = "DVB-S";
- }
- if( (!strncmp( p_access->psz_access, "cable", 5 ) ||
- !strncmp( p_access->psz_access, "dvb-c", 5 ) ) &&
- (p_frontend->info.type != FE_QAM) )
- {
- psz_expected = "DVB-C";
- }
- if( (!strncmp( p_access->psz_access, "terrestrial", 11 ) ||
- !strncmp( p_access->psz_access, "dvb-t", 5 ) ) &&
- (p_frontend->info.type != FE_OFDM) )
- {
- psz_expected = "DVB-T";
- }
- if( (!strncmp( p_access->psz_access, "usdigital", 9 ) ||
- !strncmp( p_access->psz_access, "atsc", 4 ) ) &&
- (p_frontend->info.type != FE_ATSC) )
- {
- psz_expected = "ATSC";
- }
- if( psz_expected != NULL )
- {
- msg_Err( p_access, "the user asked for %s, and the tuner is %s",
- psz_expected, psz_real );
- close( p_sys->i_frontend_handle );
- free( p_frontend );
- return VLC_EGENERIC;
- }
- }
- else /* no frontend probing is done so use default border values. */
- {
- msg_Dbg( p_access, "using default values for frontend info" );
- msg_Dbg( p_access, "method of access is %s", p_access->psz_access );
- p_frontend->info.type = FE_QPSK;
- if( !strncmp( p_access->psz_access, "qpsk", 4 ) ||
- !strncmp( p_access->psz_access, "dvb-s", 5 ) )
- p_frontend->info.type = FE_QPSK;
- else if( !strncmp( p_access->psz_access, "cable", 5 ) ||
- !strncmp( p_access->psz_access, "dvb-c", 5 ) )
- p_frontend->info.type = FE_QAM;
- else if( !strncmp( p_access->psz_access, "terrestrial", 11 ) ||
- !strncmp( p_access->psz_access, "dvb-t", 5 ) )
- p_frontend->info.type = FE_OFDM;
- else if( !strncmp( p_access->psz_access, "usdigital", 9 ) ||
- !strncmp( p_access->psz_access, "atsc", 4 ) )
- p_frontend->info.type = FE_ATSC;
- }
- return VLC_SUCCESS;
- }
- /*****************************************************************************
- * FrontendClose : Close the frontend
- *****************************************************************************/
- void FrontendClose( access_t *p_access )
- {
- access_sys_t *p_sys = p_access->p_sys;
- if( p_sys->p_frontend )
- {
- close( p_sys->i_frontend_handle );
- free( p_sys->p_frontend );
- p_sys->p_frontend = NULL;
- }
- }
- /*****************************************************************************
- * FrontendSet : Tune !
- *****************************************************************************/
- int FrontendSet( access_t *p_access )
- {
- access_sys_t *p_sys = p_access->p_sys;
- switch( p_sys->p_frontend->info.type )
- {
- /* DVB-S */
- case FE_QPSK:
- if( FrontendSetQPSK( p_access ) < 0 )
- {
- msg_Err( p_access, "DVB-S: tuning failed" );
- return VLC_EGENERIC;
- }
- break;
- /* DVB-C */
- case FE_QAM:
- if( FrontendSetQAM( p_access ) < 0 )
- {
- msg_Err( p_access, "DVB-C: tuning failed" );
- return VLC_EGENERIC;
- }
- break;
- /* DVB-T */
- case FE_OFDM:
- if( FrontendSetOFDM( p_access ) < 0 )
- {
- msg_Err( p_access, "DVB-T: tuning failed" );
- return VLC_EGENERIC;
- }
- break;
- /* ATSC */
- case FE_ATSC:
- if( FrontendSetATSC( p_access ) < 0 )
- {
- msg_Err( p_access, "ATSC: tuning failed" );
- return VLC_EGENERIC;
- }
- break;
- default:
- msg_Err( p_access, "Could not determine frontend type on %s",
- p_sys->p_frontend->info.name );
- return VLC_EGENERIC;
- }
- p_sys->p_frontend->i_last_status = 0;
- p_sys->i_frontend_timeout = mdate() + FRONTEND_LOCK_TIMEOUT;
- return VLC_SUCCESS;
- }
- /*****************************************************************************
- * FrontendPoll : Poll for frontend events
- *****************************************************************************/
- void FrontendPoll( access_t *p_access )
- {
- access_sys_t *p_sys = p_access->p_sys;
- frontend_t * p_frontend = p_sys->p_frontend;
- struct dvb_frontend_event event;
- fe_status_t i_status, i_diff;
- for( ;; )
- {
- int i_ret = ioctl( p_sys->i_frontend_handle, FE_GET_EVENT, &event );
- if( i_ret < 0 )
- {
- if( errno == EWOULDBLOCK )
- return; /* no more events */
- msg_Err( p_access, "reading frontend event failed (%d): %m",
- i_ret );
- return;
- }
- i_status = event.status;
- i_diff = i_status ^ p_frontend->i_last_status;
- p_frontend->i_last_status = i_status;
- {
- #define IF_UP( x )
- }
- if ( i_diff & (x) )
- {
- if ( i_status & (x) )
- IF_UP( FE_HAS_SIGNAL )
- msg_Dbg( p_access, "frontend has acquired signal" );
- else
- msg_Dbg( p_access, "frontend has lost signal" );
- IF_UP( FE_HAS_CARRIER )
- msg_Dbg( p_access, "frontend has acquired carrier" );
- else
- msg_Dbg( p_access, "frontend has lost carrier" );
- IF_UP( FE_HAS_VITERBI )
- msg_Dbg( p_access, "frontend has acquired stable FEC" );
- else
- msg_Dbg( p_access, "frontend has lost FEC" );
- IF_UP( FE_HAS_SYNC )
- msg_Dbg( p_access, "frontend has acquired sync" );
- else
- msg_Dbg( p_access, "frontend has lost sync" );
- IF_UP( FE_HAS_LOCK )
- {
- frontend_statistic_t stat;
- msg_Dbg( p_access, "frontend has acquired lock" );
- p_sys->i_frontend_timeout = 0;
- /* Read some statistics */
- if( !FrontendGetStatistic( p_access, &stat ) )
- {
- if( stat.i_ber >= 0 )
- msg_Dbg( p_access, "- Bit error rate: %d", stat.i_ber );
- if( stat.i_signal_strenth >= 0 )
- msg_Dbg( p_access, "- Signal strength: %d", stat.i_signal_strenth );
- if( stat.i_snr >= 0 )
- msg_Dbg( p_access, "- SNR: %d", stat.i_snr );
- }
- }
- else
- {
- msg_Dbg( p_access, "frontend has lost lock" );
- p_sys->i_frontend_timeout = mdate() + FRONTEND_LOCK_TIMEOUT;
- }
- IF_UP( FE_REINIT )
- {
- /* The frontend was reinited. */
- msg_Warn( p_access, "reiniting frontend");
- FrontendSet( p_access );
- }
- }
- #undef IF_UP
- }
- }
- int FrontendGetStatistic( access_t *p_access, frontend_statistic_t *p_stat )
- {
- access_sys_t *p_sys = p_access->p_sys;
- frontend_t * p_frontend = p_sys->p_frontend;
- if( (p_frontend->i_last_status & FE_HAS_LOCK) == 0 )
- return VLC_EGENERIC;
- memset( p_stat, 0, sizeof(*p_stat) );
- if( ioctl( p_sys->i_frontend_handle, FE_READ_BER, &p_stat->i_ber ) < 0 )
- p_stat->i_ber = -1;
- if( ioctl( p_sys->i_frontend_handle, FE_READ_SIGNAL_STRENGTH, &p_stat->i_signal_strenth ) < 0 )
- p_stat->i_signal_strenth = -1;
- if( ioctl( p_sys->i_frontend_handle, FE_READ_SNR, &p_stat->i_snr ) < 0 )
- p_stat->i_snr = -1;
- return VLC_SUCCESS;
- }
- void FrontendGetStatus( access_t *p_access, frontend_status_t *p_status )
- {
- access_sys_t *p_sys = p_access->p_sys;
- frontend_t * p_frontend = p_sys->p_frontend;
- p_status->b_has_signal = (p_frontend->i_last_status & FE_HAS_SIGNAL) != 0;
- p_status->b_has_carrier = (p_frontend->i_last_status & FE_HAS_CARRIER) != 0;
- p_status->b_has_lock = (p_frontend->i_last_status & FE_HAS_LOCK) != 0;
- }
- static int ScanParametersDvbC( access_t *p_access, scan_parameter_t *p_scan )
- {
- const frontend_t *p_frontend = p_access->p_sys->p_frontend;
- memset( p_scan, 0, sizeof(*p_scan) );
- p_scan->type = SCAN_DVB_C;
- p_scan->b_exhaustive = false;
- /* */
- p_scan->frequency.i_min = p_frontend->info.frequency_min;
- p_scan->frequency.i_max = p_frontend->info.frequency_max;
- p_scan->frequency.i_step = p_frontend->info.frequency_stepsize
- ? p_frontend->info.frequency_stepsize : 166667;
- p_scan->frequency.i_count = (p_scan->frequency.i_max-p_scan->frequency.i_min)/p_scan->frequency.i_step;
- /* */
- p_scan->bandwidth.i_min = 6;
- p_scan->bandwidth.i_max = 8;
- p_scan->bandwidth.i_step = 1;
- p_scan->bandwidth.i_count = 3;
- return VLC_SUCCESS;
- }
- static int ScanParametersDvbT( access_t *p_access, scan_parameter_t *p_scan )
- {
- const frontend_t *p_frontend = p_access->p_sys->p_frontend;
- memset( p_scan, 0, sizeof(*p_scan) );
- p_scan->type = SCAN_DVB_T;
- p_scan->b_exhaustive = false;
- /* */
- p_scan->frequency.i_min = p_frontend->info.frequency_min;
- p_scan->frequency.i_max = p_frontend->info.frequency_max;
- p_scan->frequency.i_step = p_frontend->info.frequency_stepsize
- ? p_frontend->info.frequency_stepsize : 166667;
- p_scan->frequency.i_count = (p_scan->frequency.i_max-p_scan->frequency.i_min)/p_scan->frequency.i_step;
- /* */
- p_scan->bandwidth.i_min = 6;
- p_scan->bandwidth.i_max = 8;
- p_scan->bandwidth.i_step = 1;
- p_scan->bandwidth.i_count = 3;
- return VLC_SUCCESS;
- }
- int FrontendGetScanParameter( access_t *p_access, scan_parameter_t *p_scan )
- {
- access_sys_t *p_sys = p_access->p_sys;
- const frontend_t *p_frontend = p_sys->p_frontend;
- if( p_frontend->info.type == FE_OFDM ) // DVB-T
- return ScanParametersDvbT( p_access, p_scan );
- else if( p_frontend->info.type == FE_QAM ) // DVB-C
- return ScanParametersDvbC( p_access, p_scan );
- msg_Err( p_access, "Frontend type not supported for scanning" );
- return VLC_EGENERIC;
- }
- #ifdef ENABLE_HTTPD
- /*****************************************************************************
- * FrontendStatus : Read frontend status
- *****************************************************************************/
- void FrontendStatus( access_t *p_access )
- {
- access_sys_t *p_sys = p_access->p_sys;
- frontend_t *p_frontend = p_sys->p_frontend;
- char *p = p_sys->psz_frontend_info = malloc( 10000 );
- fe_status_t i_status;
- int i_ret;
- /* Determine type of frontend */
- if( (i_ret = ioctl( p_sys->i_frontend_handle, FE_GET_INFO,
- &p_frontend->info )) < 0 )
- {
- char buf[1000];
- strerror_r( errno, buf, sizeof( buf ) );
- p += sprintf( p, "ioctl FE_GET_INFO failed (%d) %sn", i_ret, buf );
- goto out;
- }
- /* Print out frontend capabilities. */
- p += sprintf( p, "<table border=1><tr><th>name</th><td>%s</td></tr>n",
- p_frontend->info.name );
- switch( p_frontend->info.type )
- {
- case FE_QPSK:
- p += sprintf( p, "<tr><th>type</th><td>QPSK (DVB-S)</td></tr>n" );
- break;
- case FE_QAM:
- p += sprintf( p, "<tr><th>type</th><td>QAM (DVB-C)</td></tr>n" );
- break;
- case FE_OFDM:
- p += sprintf( p, "<tr><th>type</th><td>OFDM (DVB-T)</td></tr>n" );
- break;
- #if 0 /* DVB_API_VERSION == 3 */
- case FE_MEMORY:
- p += sprintf( p, "<tr><th>type</th><td>MEMORY</td></tr>n" );
- break;
- case FE_NET:
- p += sprintf( p, "<tr><th>type</th><td>NETWORK</td></tr>n" );
- break;
- #endif
- default:
- p += sprintf( p, "<tr><th>type</th><td>UNKNOWN (%d)</td></tr>n",
- p_frontend->info.type );
- goto out;
- }
- #define CHECK_INFO( x )
- p += sprintf( p,
- "<tr><th>" STRINGIFY(x) "</th><td>%u</td></tr>n",
- p_frontend->info.x );
- CHECK_INFO( frequency_min );
- CHECK_INFO( frequency_max );
- CHECK_INFO( frequency_stepsize );
- CHECK_INFO( frequency_tolerance );
- CHECK_INFO( symbol_rate_min );
- CHECK_INFO( symbol_rate_max );
- CHECK_INFO( symbol_rate_tolerance );
- CHECK_INFO( notifier_delay );
- #undef CHECK_INFO
- p += sprintf( p, "</table><p>Frontend capability list:n<table border=1>" );
- #define CHECK_CAPS( x )
- if ( p_frontend->info.caps & (FE_##x) )
- p += sprintf( p, "<tr><td>" STRINGIFY(x) "</td></tr>n" );
- CHECK_CAPS( IS_STUPID );
- CHECK_CAPS( CAN_INVERSION_AUTO );
- CHECK_CAPS( CAN_FEC_1_2 );
- CHECK_CAPS( CAN_FEC_2_3 );
- CHECK_CAPS( CAN_FEC_3_4 );
- CHECK_CAPS( CAN_FEC_4_5 );
- CHECK_CAPS( CAN_FEC_5_6 );
- CHECK_CAPS( CAN_FEC_6_7 );
- CHECK_CAPS( CAN_FEC_7_8 );
- CHECK_CAPS( CAN_FEC_8_9 );
- CHECK_CAPS( CAN_FEC_AUTO );
- CHECK_CAPS( CAN_QPSK );
- CHECK_CAPS( CAN_QAM_16 );
- CHECK_CAPS( CAN_QAM_32 );
- CHECK_CAPS( CAN_QAM_64 );
- CHECK_CAPS( CAN_QAM_128 );
- CHECK_CAPS( CAN_QAM_256 );
- CHECK_CAPS( CAN_QAM_AUTO );
- CHECK_CAPS( CAN_TRANSMISSION_MODE_AUTO );
- CHECK_CAPS( CAN_BANDWIDTH_AUTO );
- CHECK_CAPS( CAN_GUARD_INTERVAL_AUTO );
- CHECK_CAPS( CAN_HIERARCHY_AUTO );
- CHECK_CAPS( CAN_MUTE_TS );
- CHECK_CAPS( CAN_RECOVER );
- #if 0 /* Disabled because of older distributions */
- CHECK_CAPS( CAN_CLEAN_SETUP );
- #endif
- #undef CHECK_CAPS
- p += sprintf( p, "</table><p>Current frontend status:n<table border=1>" );
- if( (i_ret = ioctl( p_sys->i_frontend_handle, FE_READ_STATUS, &i_status ))
- < 0 )
- {
- char buf[1000];
- strerror_r( errno, buf, sizeof( buf ) );
- p += sprintf( p, "</table>ioctl FE_READ_STATUS failed (%d) %sn",
- i_ret, buf );
- goto out;
- }
- #define CHECK_STATUS( x )
- if ( i_status & (FE_##x) )
- p += sprintf( p, "<tr><td>" STRINGIFY(x) "</td></tr>n" );
- CHECK_STATUS( HAS_SIGNAL );
- CHECK_STATUS( HAS_CARRIER );
- CHECK_STATUS( HAS_VITERBI );
- CHECK_STATUS( HAS_SYNC );
- CHECK_STATUS( HAS_LOCK );
- CHECK_STATUS( REINIT );
- if( i_status == 0 )
- p += sprintf( p, "<tr><td>Tuning failed</td></tr>n" );
- #undef CHECK_STATUS
- if ( i_status & FE_HAS_LOCK )
- {
- int32_t i_value;
- p += sprintf( p, "</table><p>Signal status:n<table border=1>" );
- if( ioctl( p_sys->i_frontend_handle, FE_READ_BER, &i_value ) >= 0 )
- p += sprintf( p, "<tr><th>Bit error rate</th><td>%d</td></tr>n",
- i_value );
- if( ioctl( p_sys->i_frontend_handle, FE_READ_SIGNAL_STRENGTH,
- &i_value ) >= 0 )
- p += sprintf( p, "<tr><th>Signal strength</th><td>%d</td></tr>n",
- i_value );
- if( ioctl( p_sys->i_frontend_handle, FE_READ_SNR, &i_value ) >= 0 )
- p += sprintf( p, "<tr><th>SNR</th><td>%d</td></tr>n",
- i_value );
- }
- p += sprintf( p, "</table>" );
- out:
- vlc_mutex_lock( &p_sys->httpd_mutex );
- p_sys->b_request_frontend_info = false;
- vlc_cond_signal( &p_sys->httpd_cond );
- vlc_mutex_unlock( &p_sys->httpd_mutex );
- }
- #endif
- /*****************************************************************************
- * FrontendInfo : Return information about given frontend
- *****************************************************************************/
- static int FrontendInfo( access_t *p_access )
- {
- access_sys_t *p_sys = p_access->p_sys;
- frontend_t *p_frontend = p_sys->p_frontend;
- int i_ret;
- /* Determine type of frontend */
- if( (i_ret = ioctl( p_sys->i_frontend_handle, FE_GET_INFO,
- &p_frontend->info )) < 0 )
- {
- msg_Err( p_access, "ioctl FE_GET_INFO failed (%d): %m", i_ret );
- return VLC_EGENERIC;
- }
- /* Print out frontend capabilities. */
- msg_Dbg(p_access, "Frontend Info:" );
- msg_Dbg(p_access, " name = %s", p_frontend->info.name );
- switch( p_frontend->info.type )
- {
- case FE_QPSK:
- msg_Dbg( p_access, " type = QPSK (DVB-S)" );
- break;
- case FE_QAM:
- msg_Dbg( p_access, " type = QAM (DVB-C)" );
- break;
- case FE_OFDM:
- msg_Dbg( p_access, " type = OFDM (DVB-T)" );
- break;
- case FE_ATSC:
- msg_Dbg( p_access, " type = ATSC (USA)" );
- break;
- #if 0 /* DVB_API_VERSION == 3 */
- case FE_MEMORY:
- msg_Dbg(p_access, " type = MEMORY" );
- break;
- case FE_NET:
- msg_Dbg(p_access, " type = NETWORK" );
- break;
- #endif
- default:
- msg_Err( p_access, " unknown frontend type (%d)",
- p_frontend->info.type );
- return VLC_EGENERIC;
- }
- msg_Dbg(p_access, " frequency_min = %u (kHz)",
- p_frontend->info.frequency_min);
- msg_Dbg(p_access, " frequency_max = %u (kHz)",
- p_frontend->info.frequency_max);
- msg_Dbg(p_access, " frequency_stepsize = %u",
- p_frontend->info.frequency_stepsize);
- msg_Dbg(p_access, " frequency_tolerance = %u",
- p_frontend->info.frequency_tolerance);
- msg_Dbg(p_access, " symbol_rate_min = %u (kHz)",
- p_frontend->info.symbol_rate_min);
- msg_Dbg(p_access, " symbol_rate_max = %u (kHz)",
- p_frontend->info.symbol_rate_max);
- msg_Dbg(p_access, " symbol_rate_tolerance (ppm) = %u",
- p_frontend->info.symbol_rate_tolerance);
- msg_Dbg(p_access, " notifier_delay (ms) = %u",
- p_frontend->info.notifier_delay );
- msg_Dbg(p_access, "Frontend Info capability list:");
- if( p_frontend->info.caps & FE_IS_STUPID)
- msg_Dbg(p_access, " no capabilities - frontend is stupid!");
- if( p_frontend->info.caps & FE_CAN_INVERSION_AUTO)
- msg_Dbg(p_access, " inversion auto");
- if( p_frontend->info.caps & FE_CAN_FEC_1_2)
- msg_Dbg(p_access, " forward error correction 1/2");
- if( p_frontend->info.caps & FE_CAN_FEC_2_3)
- msg_Dbg(p_access, " forward error correction 2/3");
- if( p_frontend->info.caps & FE_CAN_FEC_3_4)
- msg_Dbg(p_access, " forward error correction 3/4");
- if( p_frontend->info.caps & FE_CAN_FEC_4_5)
- msg_Dbg(p_access, " forward error correction 4/5");
- if( p_frontend->info.caps & FE_CAN_FEC_5_6)
- msg_Dbg(p_access, " forward error correction 5/6");
- if( p_frontend->info.caps & FE_CAN_FEC_6_7)
- msg_Dbg(p_access, " forward error correction 6/7");
- if( p_frontend->info.caps & FE_CAN_FEC_7_8)
- msg_Dbg(p_access, " forward error correction 7/8");
- if( p_frontend->info.caps & FE_CAN_FEC_8_9)
- msg_Dbg(p_access, " forward error correction 8/9");
- if( p_frontend->info.caps & FE_CAN_FEC_AUTO)
- msg_Dbg(p_access, " forward error correction auto");
- if( p_frontend->info.caps & FE_CAN_QPSK)
- msg_Dbg(p_access, " card can do QPSK");
- if( p_frontend->info.caps & FE_CAN_QAM_16)
- msg_Dbg(p_access, " card can do QAM 16");
- if( p_frontend->info.caps & FE_CAN_QAM_32)
- msg_Dbg(p_access, " card can do QAM 32");
- if( p_frontend->info.caps & FE_CAN_QAM_64)
- msg_Dbg(p_access, " card can do QAM 64");
- if( p_frontend->info.caps & FE_CAN_QAM_128)
- msg_Dbg(p_access, " card can do QAM 128");
- if( p_frontend->info.caps & FE_CAN_QAM_256)
- msg_Dbg(p_access, " card can do QAM 256");
- if( p_frontend->info.caps & FE_CAN_QAM_AUTO)
- msg_Dbg(p_access, " card can do QAM auto");
- if( p_frontend->info.caps & FE_CAN_TRANSMISSION_MODE_AUTO)
- msg_Dbg(p_access, " transmission mode auto");
- if( p_frontend->info.caps & FE_CAN_BANDWIDTH_AUTO)
- msg_Dbg(p_access, " bandwidth mode auto");
- if( p_frontend->info.caps & FE_CAN_GUARD_INTERVAL_AUTO)
- msg_Dbg(p_access, " guard interval mode auto");
- if( p_frontend->info.caps & FE_CAN_HIERARCHY_AUTO)
- msg_Dbg(p_access, " hierarchy mode auto");
- if( p_frontend->info.caps & FE_CAN_MUTE_TS)
- msg_Dbg(p_access, " card can mute TS");
- if( p_frontend->info.caps & FE_CAN_RECOVER)
- msg_Dbg(p_access, " card can recover from a cable unplug");
- if( p_frontend->info.caps & FE_CAN_8VSB)
- msg_Dbg(p_access, " card can do 8vsb");
- if( p_frontend->info.caps & FE_CAN_16VSB)
- msg_Dbg(p_access, " card can do 16vsb");
- msg_Dbg(p_access, "End of capability list");
- return VLC_SUCCESS;
- }
- /*****************************************************************************
- * Decoding the DVB parameters (common)
- *****************************************************************************/
- static fe_spectral_inversion_t DecodeInversion( access_t *p_access )
- {
- vlc_value_t val;
- fe_spectral_inversion_t fe_inversion = 0;
- var_Get( p_access, "dvb-inversion", &val );
- msg_Dbg( p_access, "using inversion=%d", val.i_int );
- switch( val.i_int )
- {
- case 0: fe_inversion = INVERSION_OFF; break;
- case 1: fe_inversion = INVERSION_ON; break;
- case 2: fe_inversion = INVERSION_AUTO; break;
- default:
- msg_Dbg( p_access, "dvb has inversion not set, using auto");
- fe_inversion = INVERSION_AUTO;
- break;
- }
- return fe_inversion;
- }
- static fe_code_rate_t DecodeFEC( access_t *p_access, int i_val )
- {
- fe_code_rate_t fe_fec = FEC_NONE;
- msg_Dbg( p_access, "using fec=%d", i_val );
- switch( i_val )
- {
- case 0: fe_fec = FEC_NONE; break;
- case 1: fe_fec = FEC_1_2; break;
- case 2: fe_fec = FEC_2_3; break;
- case 3: fe_fec = FEC_3_4; break;
- case 4: fe_fec = FEC_4_5; break;
- case 5: fe_fec = FEC_5_6; break;
- case 6: fe_fec = FEC_6_7; break;
- case 7: fe_fec = FEC_7_8; break;
- case 8: fe_fec = FEC_8_9; break;
- case 9: fe_fec = FEC_AUTO; break;
- default:
- /* cannot happen */
- fe_fec = FEC_NONE;
- msg_Err( p_access, "argument has invalid FEC (%d)", i_val);
- break;
- }
- return fe_fec;
- }
- static fe_modulation_t DecodeModulationQAM( access_t *p_access )
- {
- switch( var_GetInteger( p_access, "dvb-modulation" ) )
- {
- case 0: return QAM_AUTO;
- case 16: return QAM_16;
- case 32: return QAM_32;
- case 64: return QAM_64;
- case 128: return QAM_128;
- case 256: return QAM_256;
- default:
- msg_Dbg( p_access, "QAM modulation not set, using auto");
- return QAM_AUTO;
- }
- }
- static fe_modulation_t DecodeModulationOFDM( access_t *p_access )
- {
- switch( var_GetInteger( p_access, "dvb-modulation" ) )
- {
- case -1: return QPSK;
- case 0: return QAM_AUTO;
- case 16: return QAM_16;
- case 32: return QAM_32;
- case 64: return QAM_64;
- case 128: return QAM_128;
- case 256: return QAM_256;
- default:
- msg_Dbg( p_access, "OFDM modulation not set, using QAM auto");
- return QAM_AUTO;
- }
- }
- static fe_modulation_t DecodeModulationATSC( access_t *p_access )
- {
- switch( var_GetInteger( p_access, "dvb-modulation" ) )
- {
- case 0: return QAM_AUTO;
- case 8: return VSB_8;
- case 16: return VSB_16;
- case 32: return QAM_32;
- case 64: return QAM_64;
- case 128: return QAM_128;
- case 256: return QAM_256;
- default:
- msg_Dbg( p_access, "ATSC modulation not set, using VSB 8");
- return VSB_8;
- }
- }
- /*****************************************************************************
- * FrontendSetQPSK : controls the FE device
- *****************************************************************************/
- static fe_sec_voltage_t DecodeVoltage( access_t *p_access )
- {
- vlc_value_t val;
- fe_sec_voltage_t fe_voltage;
- var_Get( p_access, "dvb-voltage", &val );
- msg_Dbg( p_access, "using voltage=%d", val.i_int );
- switch( val.i_int )
- {
- case 0: fe_voltage = SEC_VOLTAGE_OFF; break;
- case 13: fe_voltage = SEC_VOLTAGE_13; break;
- case 18: fe_voltage = SEC_VOLTAGE_18; break;
- default:
- fe_voltage = SEC_VOLTAGE_OFF;
- msg_Err( p_access, "argument has invalid voltage (%d)", val.i_int );
- break;
- }
- return fe_voltage;
- }
- static fe_sec_tone_mode_t DecodeTone( access_t *p_access )
- {
- vlc_value_t val;
- fe_sec_tone_mode_t fe_tone;
- var_Get( p_access, "dvb-tone", &val );
- msg_Dbg( p_access, "using tone=%d", val.i_int );
- switch( val.i_int )
- {
- case 0: fe_tone = SEC_TONE_OFF; break;
- case 1: fe_tone = SEC_TONE_ON; break;
- default:
- fe_tone = SEC_TONE_OFF;
- msg_Err( p_access, "argument has invalid tone mode (%d)", val.i_int);
- break;
- }
- return fe_tone;
- }
- struct diseqc_cmd_t
- {
- struct dvb_diseqc_master_cmd cmd;
- uint32_t wait;
- };
- static int DoDiseqc( access_t *p_access )
- {
- access_sys_t *p_sys = p_access->p_sys;
- vlc_value_t val;
- int i_frequency, i_lnb_slof;
- fe_sec_voltage_t fe_voltage;
- fe_sec_tone_mode_t fe_tone;
- int i_err;
- var_Get( p_access, "dvb-frequency", &val );
- i_frequency = val.i_int;
- var_Get( p_access, "dvb-lnb-slof", &val );
- i_lnb_slof = val.i_int;
- var_Get( p_access, "dvb-tone", &val );
- if( val.i_int == -1 /* auto */ )
- {
- if( i_frequency >= i_lnb_slof )
- val.i_int = 1;
- else
- val.i_int = 0;
- var_Set( p_access, "dvb-tone", val );
- }
- fe_voltage = DecodeVoltage( p_access );
- fe_tone = DecodeTone( p_access );
- /* Switch off continuous tone. */
- if( (i_err = ioctl( p_sys->i_frontend_handle, FE_SET_TONE, SEC_TONE_OFF )) < 0 )
- {
- msg_Err( p_access, "ioctl FE_SET_TONE failed, tone=%s (%d) %m",
- fe_tone == SEC_TONE_ON ? "on" : "off", i_err );
- return i_err;
- }
- /* Configure LNB voltage. */
- if( (i_err = ioctl( p_sys->i_frontend_handle, FE_SET_VOLTAGE, fe_voltage )) < 0 )
- {
- msg_Err( p_access, "ioctl FE_SET_VOLTAGE failed, voltage=%d (%d) %m",
- fe_voltage, i_err );
- return i_err;
- }
- var_Get( p_access, "dvb-high-voltage", &val );
- if( (i_err = ioctl( p_sys->i_frontend_handle, FE_ENABLE_HIGH_LNB_VOLTAGE,
- val.b_bool )) < 0 && val.b_bool )
- {
- msg_Err( p_access,
- "ioctl FE_ENABLE_HIGH_LNB_VOLTAGE failed, val=%d (%d) %m",
- val.b_bool, i_err );
- }
- /* Wait for at least 15 ms. */
- msleep(15000);
- var_Get( p_access, "dvb-satno", &val );
- if( val.i_int > 0 && val.i_int < 5 )
- {
- /* digital satellite equipment control,
- * specification is available from http://www.eutelsat.com/
- */
- /* 1.x compatible equipment */
- struct diseqc_cmd_t cmd = { {{0xe0, 0x10, 0x38, 0xf0, 0x00, 0x00}, 4}, 0 };
- /* param: high nibble: reset bits, low nibble set bits,
- * bits are: option, position, polarization, band
- */
- cmd.cmd.msg[3] = 0xf0 /* reset bits */
- | (((val.i_int - 1) * 4) & 0xc)
- | (fe_voltage == SEC_VOLTAGE_13 ? 0 : 2)
- | (fe_tone == SEC_TONE_ON ? 1 : 0);
- if( (i_err = ioctl( p_sys->i_frontend_handle, FE_DISEQC_SEND_MASTER_CMD,
- &cmd.cmd )) < 0 )
- {
- msg_Err( p_access, "ioctl FE_SEND_MASTER_CMD failed (%d) %m",
- i_err );
- return i_err;
- }
- msleep(15000 + cmd.wait * 1000);
- /* A or B simple diseqc ("diseqc-compatible") */
- if( (i_err = ioctl( p_sys->i_frontend_handle, FE_DISEQC_SEND_BURST,
- ((val.i_int - 1) % 2) ? SEC_MINI_B : SEC_MINI_A )) < 0 )
- {
- msg_Err( p_access, "ioctl FE_SEND_BURST failed (%d) %m",
- i_err );
- return i_err;
- }
- msleep(15000);
- }
- if( (i_err = ioctl( p_sys->i_frontend_handle, FE_SET_TONE, fe_tone )) < 0 )
- {
- msg_Err( p_access, "ioctl FE_SET_TONE failed, tone=%s (%d) %m",
- fe_tone == SEC_TONE_ON ? "on" : "off", i_err );
- return i_err;
- }
- msleep(50000);
- return 0;
- }
- static int FrontendSetQPSK( access_t *p_access )
- {
- access_sys_t *p_sys = p_access->p_sys;
- struct dvb_frontend_parameters fep;
- int i_ret;
- vlc_value_t val;
- int i_frequency, i_lnb_slof = 0, i_lnb_lof1, i_lnb_lof2 = 0;
- /* Prepare the fep structure */
- var_Get( p_access, "dvb-frequency", &val );
- i_frequency = val.i_int;
- var_Get( p_access, "dvb-lnb-lof1", &val );
- if ( val.i_int == 0 )
- {
- /* Automatic mode. */
- if ( i_frequency >= 950000 && i_frequency <= 2150000 )
- {
- msg_Dbg( p_access, "frequency %d is in IF-band", i_frequency );
- i_lnb_lof1 = 0;
- }
- else if ( i_frequency >= 2500000 && i_frequency <= 2700000 )
- {
- msg_Dbg( p_access, "frequency %d is in S-band", i_frequency );
- i_lnb_lof1 = 3650000;
- }
- else if ( i_frequency >= 3400000 && i_frequency <= 4200000 )
- {
- msg_Dbg( p_access, "frequency %d is in C-band (lower)",
- i_frequency );
- i_lnb_lof1 = 5150000;
- }
- else if ( i_frequency >= 4500000 && i_frequency <= 4800000 )
- {
- msg_Dbg( p_access, "frequency %d is in C-band (higher)",
- i_frequency );
- i_lnb_lof1 = 5950000;
- }
- else if ( i_frequency >= 10700000 && i_frequency <= 13250000 )
- {
- msg_Dbg( p_access, "frequency %d is in Ku-band",
- i_frequency );
- i_lnb_lof1 = 9750000;
- i_lnb_lof2 = 10600000;
- i_lnb_slof = 11700000;
- }
- else
- {
- msg_Err( p_access, "frequency %d is out of any known band",
- i_frequency );
- msg_Err( p_access, "specify dvb-lnb-lof1 manually for the local "
- "oscillator frequency" );
- return VLC_EGENERIC;
- }
- val.i_int = i_lnb_lof1;
- var_Set( p_access, "dvb-lnb-lof1", val );
- val.i_int = i_lnb_lof2;
- var_Set( p_access, "dvb-lnb-lof2", val );
- val.i_int = i_lnb_slof;
- var_Set( p_access, "dvb-lnb-slof", val );
- }
- else
- {
- i_lnb_lof1 = val.i_int;
- var_Get( p_access, "dvb-lnb-lof2", &val );
- i_lnb_lof2 = val.i_int;
- var_Get( p_access, "dvb-lnb-slof", &val );
- i_lnb_slof = val.i_int;
- }
- if( i_lnb_slof && i_frequency >= i_lnb_slof )
- {
- i_frequency -= i_lnb_lof2;
- }
- else
- {
- i_frequency -= i_lnb_lof1;
- }
- fep.frequency = i_frequency >= 0 ? i_frequency : -i_frequency;
- fep.inversion = DecodeInversion( p_access );
- var_Get( p_access, "dvb-srate", &val );
- fep.u.qpsk.symbol_rate = val.i_int;
- var_Get( p_access, "dvb-fec", &val );
- fep.u.qpsk.fec_inner = DecodeFEC( p_access, val.i_int );
- if( DoDiseqc( p_access ) < 0 )
- {
- return VLC_EGENERIC;
- }
- /* Empty the event queue */
- for( ; ; )
- {
- struct dvb_frontend_event event;
- if ( ioctl( p_sys->i_frontend_handle, FE_GET_EVENT, &event ) < 0
- && errno == EWOULDBLOCK )
- break;
- }
- /* Now send it all to the frontend device */
- if( (i_ret = ioctl( p_sys->i_frontend_handle, FE_SET_FRONTEND, &fep )) < 0 )
- {
- msg_Err( p_access, "DVB-S: setting frontend failed (%d) %m", i_ret );
- return VLC_EGENERIC;
- }
- return VLC_SUCCESS;
- }
- /*****************************************************************************
- * FrontendSetQAM : controls the FE device
- *****************************************************************************/
- static int FrontendSetQAM( access_t *p_access )
- {
- access_sys_t *p_sys = p_access->p_sys;
- struct dvb_frontend_parameters fep;
- vlc_value_t val;
- int i_ret;
- /* Prepare the fep structure */
- var_Get( p_access, "dvb-frequency", &val );
- fep.frequency = val.i_int;
- fep.inversion = DecodeInversion( p_access );
- var_Get( p_access, "dvb-srate", &val );
- fep.u.qam.symbol_rate = val.i_int;
- var_Get( p_access, "dvb-fec", &val );
- fep.u.qam.fec_inner = DecodeFEC( p_access, val.i_int );
- fep.u.qam.modulation = DecodeModulationQAM( p_access );
- /* Empty the event queue */
- for( ; ; )
- {
- struct dvb_frontend_event event;
- if ( ioctl( p_sys->i_frontend_handle, FE_GET_EVENT, &event ) < 0
- && errno == EWOULDBLOCK )
- break;
- }
- /* Now send it all to the frontend device */
- if( (i_ret = ioctl( p_sys->i_frontend_handle, FE_SET_FRONTEND, &fep )) < 0 )
- {
- msg_Err( p_access, "DVB-C: setting frontend failed (%d): %m", i_ret );
- return VLC_EGENERIC;
- }
- return VLC_SUCCESS;
- }
- /*****************************************************************************
- * FrontendSetOFDM : controls the FE device
- *****************************************************************************/
- static fe_bandwidth_t DecodeBandwidth( access_t *p_access )
- {
- vlc_value_t val;
- fe_bandwidth_t fe_bandwidth = 0;
- var_Get( p_access, "dvb-bandwidth", &val );
- msg_Dbg( p_access, "using bandwidth=%d", val.i_int );
- switch( val.i_int )
- {
- case 0: fe_bandwidth = BANDWIDTH_AUTO; break;
- case 6: fe_bandwidth = BANDWIDTH_6_MHZ; break;
- case 7: fe_bandwidth = BANDWIDTH_7_MHZ; break;
- case 8: fe_bandwidth = BANDWIDTH_8_MHZ; break;
- default:
- msg_Dbg( p_access, "terrestrial dvb has bandwidth not set, using auto" );
- fe_bandwidth = BANDWIDTH_AUTO;
- break;
- }
- return fe_bandwidth;
- }
- static fe_transmit_mode_t DecodeTransmission( access_t *p_access )
- {
- vlc_value_t val;
- fe_transmit_mode_t fe_transmission = 0;
- var_Get( p_access, "dvb-transmission", &val );
- msg_Dbg( p_access, "using transmission=%d", val.i_int );
- switch( val.i_int )
- {
- case 0: fe_transmission = TRANSMISSION_MODE_AUTO; break;
- case 2: fe_transmission = TRANSMISSION_MODE_2K; break;
- case 8: fe_transmission = TRANSMISSION_MODE_8K; break;
- default:
- msg_Dbg( p_access, "terrestrial dvb has transmission mode not set, using auto");
- fe_transmission = TRANSMISSION_MODE_AUTO;
- break;
- }
- return fe_transmission;
- }
- static fe_guard_interval_t DecodeGuardInterval( access_t *p_access )
- {
- vlc_value_t val;
- fe_guard_interval_t fe_guard = 0;
- var_Get( p_access, "dvb-guard", &val );
- msg_Dbg( p_access, "using guard=%d", val.i_int );
- switch( val.i_int )
- {
- case 0: fe_guard = GUARD_INTERVAL_AUTO; break;
- case 4: fe_guard = GUARD_INTERVAL_1_4; break;
- case 8: fe_guard = GUARD_INTERVAL_1_8; break;
- case 16: fe_guard = GUARD_INTERVAL_1_16; break;
- case 32: fe_guard = GUARD_INTERVAL_1_32; break;
- default:
- msg_Dbg( p_access, "terrestrial dvb has guard interval not set, using auto");
- fe_guard = GUARD_INTERVAL_AUTO;
- break;
- }
- return fe_guard;
- }
- static fe_hierarchy_t DecodeHierarchy( access_t *p_access )
- {
- vlc_value_t val;
- fe_hierarchy_t fe_hierarchy = 0;
- var_Get( p_access, "dvb-hierarchy", &val );
- msg_Dbg( p_access, "using hierarchy=%d", val.i_int );
- switch( val.i_int )
- {
- case -1: fe_hierarchy = HIERARCHY_NONE; break;
- case 0: fe_hierarchy = HIERARCHY_AUTO; break;
- case 1: fe_hierarchy = HIERARCHY_1; break;
- case 2: fe_hierarchy = HIERARCHY_2; break;
- case 4: fe_hierarchy = HIERARCHY_4; break;
- default:
- msg_Dbg( p_access, "terrestrial dvb has hierarchy not set, using auto");
- fe_hierarchy = HIERARCHY_AUTO;
- break;
- }
- return fe_hierarchy;
- }
- static int FrontendSetOFDM( access_t * p_access )
- {
- access_sys_t *p_sys = p_access->p_sys;
- struct dvb_frontend_parameters fep;
- vlc_value_t val;
- int ret;
- /* Prepare the fep structure */
- var_Get( p_access, "dvb-frequency", &val );
- fep.frequency = val.i_int;
- fep.inversion = DecodeInversion( p_access );
- fep.u.ofdm.bandwidth = DecodeBandwidth( p_access );
- var_Get( p_access, "dvb-code-rate-hp", &val );
- fep.u.ofdm.code_rate_HP = DecodeFEC( p_access, val.i_int );
- var_Get( p_access, "dvb-code-rate-lp", &val );
- fep.u.ofdm.code_rate_LP = DecodeFEC( p_access, val.i_int );
- fep.u.ofdm.constellation = DecodeModulationOFDM( p_access );
- fep.u.ofdm.transmission_mode = DecodeTransmission( p_access );
- fep.u.ofdm.guard_interval = DecodeGuardInterval( p_access );
- fep.u.ofdm.hierarchy_information = DecodeHierarchy( p_access );
- /* Empty the event queue */
- for( ; ; )
- {
- struct dvb_frontend_event event;
- if ( ioctl( p_sys->i_frontend_handle, FE_GET_EVENT, &event ) < 0
- && errno == EWOULDBLOCK )
- break;
- }
- /* Now send it all to the frontend device */
- if( (ret = ioctl( p_sys->i_frontend_handle, FE_SET_FRONTEND, &fep )) < 0 )
- {
- msg_Err( p_access, "DVB-T: setting frontend failed (%d): %m", ret );
- return -1;
- }
- return VLC_SUCCESS;
- }
- /*****************************************************************************
- * FrontendSetATSC : controls the FE device
- *****************************************************************************/
- static int FrontendSetATSC( access_t *p_access )
- {
- access_sys_t *p_sys = p_access->p_sys;
- struct dvb_frontend_parameters fep;
- vlc_value_t val;
- int i_ret;
- /* Prepare the fep structure */
- var_Get( p_access, "dvb-frequency", &val );
- fep.frequency = val.i_int;
- fep.u.vsb.modulation = DecodeModulationATSC( p_access );
- /* Empty the event queue */
- for( ; ; )
- {
- struct dvb_frontend_event event;
- if ( ioctl( p_sys->i_frontend_handle, FE_GET_EVENT, &event ) < 0
- && errno == EWOULDBLOCK )
- break;
- }
- /* Now send it all to the frontend device */
- if( (i_ret = ioctl( p_sys->i_frontend_handle, FE_SET_FRONTEND, &fep )) < 0 )
- {
- msg_Err( p_access, "ATSC: setting frontend failed (%d): %m", i_ret );
- return VLC_EGENERIC;
- }
- return VLC_SUCCESS;
- }
- /*
- * Demux
- */
- /*****************************************************************************
- * DMXSetFilter : controls the demux to add a filter
- *****************************************************************************/
- int DMXSetFilter( access_t * p_access, int i_pid, int * pi_fd, int i_type )
- {
- struct dmx_pes_filter_params s_filter_params;
- int i_ret;
- unsigned int i_adapter, i_device;
- char dmx[128];
- vlc_value_t val;
- var_Get( p_access, "dvb-adapter", &val );
- i_adapter = val.i_int;
- var_Get( p_access, "dvb-device", &val );
- i_device = val.i_int;
- if( snprintf( dmx, sizeof(dmx), DMX, i_adapter, i_device )
- >= (int)sizeof(dmx) )
- {
- msg_Err( p_access, "snprintf() truncated string for DMX" );
- dmx[sizeof(dmx) - 1] = ' ';
- }
- msg_Dbg( p_access, "Opening device %s", dmx );
- if( (*pi_fd = open(dmx, O_RDWR)) < 0 )
- {
- msg_Err( p_access, "DMXSetFilter: opening device failed (%m)" );
- return VLC_EGENERIC;
- }
- /* We fill the DEMUX structure : */
- s_filter_params.pid = i_pid;
- s_filter_params.input = DMX_IN_FRONTEND;
- s_filter_params.output = DMX_OUT_TS_TAP;
- s_filter_params.flags = DMX_IMMEDIATE_START;
- switch ( i_type )
- { /* First device */
- case 1:
- msg_Dbg(p_access, "DMXSetFilter: DMX_PES_VIDEO0 for PID %d", i_pid);
- s_filter_params.pes_type = DMX_PES_VIDEO0;
- break;
- case 2:
- msg_Dbg(p_access, "DMXSetFilter: DMX_PES_AUDIO0 for PID %d", i_pid);
- s_filter_params.pes_type = DMX_PES_AUDIO0;
- break;
- case 3:
- msg_Dbg(p_access, "DMXSetFilter: DMX_PES_TELETEXT0 for PID %d", i_pid);
- s_filter_params.pes_type = DMX_PES_TELETEXT0;
- break;
- case 4:
- msg_Dbg(p_access, "DMXSetFilter: DMX_PES_SUBTITLE0 for PID %d", i_pid);
- s_filter_params.pes_type = DMX_PES_SUBTITLE0;
- break;
- case 5:
- msg_Dbg(p_access, "DMXSetFilter: DMX_PES_PCR0 for PID %d", i_pid);
- s_filter_params.pes_type = DMX_PES_PCR0;
- break;
- /* Second device */
- case 6:
- msg_Dbg(p_access, "DMXSetFilter: DMX_PES_VIDEO1 for PID %d", i_pid);
- s_filter_params.pes_type = DMX_PES_VIDEO1;
- break;
- case 7:
- msg_Dbg(p_access, "DMXSetFilter: DMX_PES_AUDIO1 for PID %d", i_pid);
- s_filter_params.pes_type = DMX_PES_AUDIO1;
- break;
- case 8:
- msg_Dbg(p_access, "DMXSetFilter: DMX_PES_TELETEXT1 for PID %d", i_pid);
- s_filter_params.pes_type = DMX_PES_TELETEXT1;
- break;
- case 9:
- msg_Dbg(p_access, "DMXSetFilter: DMX_PES_SUBTITLE1 for PID %d", i_pid);
- s_filter_params.pes_type = DMX_PES_SUBTITLE1;
- break;
- case 10:
- msg_Dbg(p_access, "DMXSetFilter: DMX_PES_PCR1 for PID %d", i_pid);
- s_filter_params.pes_type = DMX_PES_PCR1;
- break;
- /* Third device */
- case 11:
- msg_Dbg(p_access, "DMXSetFilter: DMX_PES_VIDEO2 for PID %d", i_pid);
- s_filter_params.pes_type = DMX_PES_VIDEO2;
- break;
- case 12:
- msg_Dbg(p_access, "DMXSetFilter: DMX_PES_AUDIO2 for PID %d", i_pid);
- s_filter_params.pes_type = DMX_PES_AUDIO2;
- break;
- case 13:
- msg_Dbg(p_access, "DMXSetFilter: DMX_PES_TELETEXT2 for PID %d", i_pid);
- s_filter_params.pes_type = DMX_PES_TELETEXT2;
- break;
- case 14:
- msg_Dbg(p_access, "DMXSetFilter: DMX_PES_SUBTITLE2 for PID %d", i_pid);
- s_filter_params.pes_type = DMX_PES_SUBTITLE2;
- break;
- case 15:
- msg_Dbg(p_access, "DMXSetFilter: DMX_PES_PCR2 for PID %d", i_pid);
- s_filter_params.pes_type = DMX_PES_PCR2;
- break;
- /* Forth device */
- case 16:
- msg_Dbg(p_access, "DMXSetFilter: DMX_PES_VIDEO3 for PID %d", i_pid);
- s_filter_params.pes_type = DMX_PES_VIDEO3;
- break;
- case 17:
- msg_Dbg(p_access, "DMXSetFilter: DMX_PES_AUDIO3 for PID %d", i_pid);
- s_filter_params.pes_type = DMX_PES_AUDIO3;
- break;
- case 18:
- msg_Dbg(p_access, "DMXSetFilter: DMX_PES_TELETEXT3 for PID %d", i_pid);
- s_filter_params.pes_type = DMX_PES_TELETEXT3;
- break;
- case 19:
- msg_Dbg(p_access, "DMXSetFilter: DMX_PES_SUBTITLE3 for PID %d", i_pid);
- s_filter_params.pes_type = DMX_PES_SUBTITLE3;
- break;
- case 20:
- msg_Dbg(p_access, "DMXSetFilter: DMX_PES_PCR3 for PID %d", i_pid);
- s_filter_params.pes_type = DMX_PES_PCR3;
- break;
- /* Usually used by Nova cards */
- case 21:
- default:
- msg_Dbg(p_access, "DMXSetFilter: DMX_PES_OTHER for PID %d", i_pid);
- s_filter_params.pes_type = DMX_PES_OTHER;
- break;
- }
- /* We then give the order to the device : */
- if( (i_ret = ioctl( *pi_fd, DMX_SET_PES_FILTER, &s_filter_params )) < 0 )
- {
- msg_Err( p_access, "DMXSetFilter: failed with %d (%m)", i_ret );
- return VLC_EGENERIC;
- }
- return VLC_SUCCESS;
- }
- /*****************************************************************************
- * DMXUnsetFilter : removes a filter
- *****************************************************************************/
- int DMXUnsetFilter( access_t * p_access, int i_fd )
- {
- int i_ret;
- if( (i_ret = ioctl( i_fd, DMX_STOP )) < 0 )
- {
- msg_Err( p_access, "DMX_STOP failed for demux (%d): %m", i_ret );
- return i_ret;
- }
- msg_Dbg( p_access, "DMXUnsetFilter: closing demux %d", i_fd );
- close( i_fd );
- return VLC_SUCCESS;
- }
- /*
- * DVR device
- */
- /*****************************************************************************
- * DVROpen :
- *****************************************************************************/
- int DVROpen( access_t * p_access )
- {
- access_sys_t *p_sys = p_access->p_sys;
- unsigned int i_adapter, i_device;
- char dvr[128];
- vlc_value_t val;
- var_Get( p_access, "dvb-adapter", &val );
- i_adapter = val.i_int;
- var_Get( p_access, "dvb-device", &val );
- i_device = val.i_int;
- if( snprintf( dvr, sizeof(dvr), DVR, i_adapter, i_device )
- >= (int)sizeof(dvr) )
- {
- msg_Err( p_access, "snprintf() truncated string for DVR" );
- dvr[sizeof(dvr) - 1] = ' ';
- }
- msg_Dbg( p_access, "Opening device %s", dvr );
- if( (p_sys->i_handle = open(dvr, O_RDONLY)) < 0 )
- {
- msg_Err( p_access, "DVROpen: opening device failed (%m)" );
- return VLC_EGENERIC;
- }
- if( fcntl( p_sys->i_handle, F_SETFL, O_NONBLOCK ) == -1 )
- {
- msg_Warn( p_access, "DVROpen: couldn't set non-blocking mode (%m)" );
- }
- return VLC_SUCCESS;
- }
- /*****************************************************************************
- * DVRClose :
- *****************************************************************************/
- void DVRClose( access_t * p_access )
- {
- access_sys_t *p_sys = p_access->p_sys;
- close( p_sys->i_handle );
- }
- /*
- * CAM device
- */
- /*****************************************************************************
- * CAMOpen :
- *****************************************************************************/
- int CAMOpen( access_t *p_access )
- {
- access_sys_t *p_sys = p_access->p_sys;
- char ca[128];
- int i_adapter, i_device;
- ca_caps_t caps;
- i_adapter = var_GetInteger( p_access, "dvb-adapter" );
- i_device = var_GetInteger( p_access, "dvb-device" );
- if( snprintf( ca, sizeof(ca), CA, i_adapter, i_device ) >= (int)sizeof(ca) )
- {
- msg_Err( p_access, "snprintf() truncated string for CA" );
- ca[sizeof(ca) - 1] = ' ';
- }
- memset( &caps, 0, sizeof( ca_caps_t ));
- msg_Dbg( p_access, "Opening device %s", ca );
- if( (p_sys->i_ca_handle = open(ca, O_RDWR | O_NONBLOCK)) < 0 )
- {
- msg_Warn( p_access, "CAMInit: opening CAM device failed (%m)" );
- p_sys->i_ca_handle = 0;
- return VLC_EGENERIC;
- }
- if ( ioctl( p_sys->i_ca_handle, CA_GET_CAP, &caps ) != 0 )
- {
- msg_Err( p_access, "CAMInit: ioctl() error getting CAM capabilities" );
- close( p_sys->i_ca_handle );
- p_sys->i_ca_handle = 0;
- return VLC_EGENERIC;
- }
- /* Output CA capabilities */
- msg_Dbg( p_access, "CAMInit: CA interface with %d %s", caps.slot_num,
- caps.slot_num == 1 ? "slot" : "slots" );
- if ( caps.slot_type & CA_CI )
- msg_Dbg( p_access, "CAMInit: CI high level interface type" );
- if ( caps.slot_type & CA_CI_LINK )
- msg_Dbg( p_access, "CAMInit: CI link layer level interface type" );
- if ( caps.slot_type & CA_CI_PHYS )
- msg_Dbg( p_access, "CAMInit: CI physical layer level interface type (not supported) " );
- if ( caps.slot_type & CA_DESCR )
- msg_Dbg( p_access, "CAMInit: built-in descrambler detected" );
- if ( caps.slot_type & CA_SC )
- msg_Dbg( p_access, "CAMInit: simple smart card interface" );
- msg_Dbg( p_access, "CAMInit: %d available %s", caps.descr_num,
- caps.descr_num == 1 ? "descrambler (key)" : "descramblers (keys)" );
- if ( caps.descr_type & CA_ECD )
- msg_Dbg( p_access, "CAMInit: ECD scrambling system supported" );
- if ( caps.descr_type & CA_NDS )
- msg_Dbg( p_access, "CAMInit: NDS scrambling system supported" );
- if ( caps.descr_type & CA_DSS )
- msg_Dbg( p_access, "CAMInit: DSS scrambling system supported" );
- if ( caps.slot_num == 0 )
- {
- msg_Err( p_access, "CAMInit: CAM module with no slots" );
- close( p_sys->i_ca_handle );
- p_sys->i_ca_handle = 0;
- return VLC_EGENERIC;
- }
- if( caps.slot_type & CA_CI_LINK )
- {
- p_sys->i_ca_type = CA_CI_LINK;
- }
- else if( caps.slot_type & CA_CI )
- {
- p_sys->i_ca_type = CA_CI;
- }
- else
- {
- p_sys->i_ca_type = -1;
- msg_Err( p_access, "CAMInit: incompatible CAM interface" );
- close( p_sys->i_ca_handle );
- p_sys->i_ca_handle = 0;
- return VLC_EGENERIC;
- }
- p_sys->i_nb_slots = caps.slot_num;
- memset( p_sys->pb_active_slot, 0, sizeof(bool) * MAX_CI_SLOTS );
- memset( p_sys->pb_slot_mmi_expected, 0, sizeof(bool) * MAX_CI_SLOTS );
- memset( p_sys->pb_slot_mmi_undisplayed, 0,
- sizeof(bool) * MAX_CI_SLOTS );
- return en50221_Init( p_access );
- }
- /*****************************************************************************
- * CAMPoll :
- *****************************************************************************/
- int CAMPoll( access_t * p_access )
- {
- access_sys_t *p_sys = p_access->p_sys;
- int i_ret = VLC_EGENERIC;
- if ( p_sys->i_ca_handle == 0 )
- {
- return VLC_EGENERIC;
- }
- switch( p_sys->i_ca_type )
- {
- case CA_CI_LINK:
- i_ret = en50221_Poll( p_access );
- break;
- case CA_CI:
- i_ret = VLC_SUCCESS;
- break;
- default:
- msg_Err( p_access, "CAMPoll: This should not happen" );
- break;
- }
- return i_ret;
- }
- #ifdef ENABLE_HTTPD
- /*****************************************************************************
- * CAMStatus :
- *****************************************************************************/
- void CAMStatus( access_t * p_access )
- {
- access_sys_t *p_sys = p_access->p_sys;
- char *p;
- ca_caps_t caps;
- int i_slot, i;
- if ( p_sys->psz_request != NULL && *p_sys->psz_request )
- {
- /* Check if we have an undisplayed MMI message : in that case we ignore
- * the user input to avoid confusing the CAM. */
- for ( i_slot = 0; i_slot < p_sys->i_nb_slots; i_slot++ )
- {
- if ( p_sys->pb_slot_mmi_undisplayed[i_slot] == true )
- {
- p_sys->psz_request = NULL;
- msg_Dbg( p_access,
- "ignoring user request because of a new MMI object" );
- break;
- }
- }
- }
- if ( p_sys->psz_request != NULL && *p_sys->psz_request )
- {
- /* We have a mission to accomplish. */
- en50221_mmi_object_t mmi_object;
- char *psz_request = p_sys->psz_request;
- char psz_value[255];
- int i_slot;
- bool b_ok = false;
- p_sys->psz_request = NULL;
- if ( HTTPExtractValue( psz_request, "slot", psz_value,
- sizeof(psz_value) ) == NULL )
- {
- p_sys->psz_mmi_info = strdup( "invalid request parametern" );
- goto out;
- }
- i_slot = atoi(psz_value);
- if ( HTTPExtractValue( psz_request, "open", psz_value,
- sizeof(psz_value) ) != NULL )
- {
- en50221_OpenMMI( p_access, i_slot );
- return;
- }
- if ( HTTPExtractValue( psz_request, "close", psz_value,
- sizeof(psz_value) ) != NULL )
- {
- en50221_CloseMMI( p_access, i_slot );
- return;
- }
- if ( HTTPExtractValue( psz_request, "cancel", psz_value,
- sizeof(psz_value) ) == NULL )
- {
- b_ok = true;
- }
- if ( HTTPExtractValue( psz_request, "type", psz_value,
- sizeof(psz_value) ) == NULL )
- {
- p_sys->psz_mmi_info = strdup( "invalid request parametern" );
- goto out;
- }
- if ( !strcmp( psz_value, "enq" ) )
- {
- mmi_object.i_object_type = EN50221_MMI_ANSW;
- mmi_object.u.answ.b_ok = b_ok;
- if ( b_ok == false )
- {
- mmi_object.u.answ.psz_answ = strdup("");
- }
- else
- {
- if ( HTTPExtractValue( psz_request, "answ", psz_value,
- sizeof(psz_value) ) == NULL )
- {
- p_sys->psz_mmi_info = strdup( "invalid request parametern" );
- goto out;
- }
- mmi_object.u.answ.psz_answ = strdup(psz_value);
- }
- }
- else
- {
- mmi_object.i_object_type = EN50221_MMI_MENU_ANSW;
- if ( b_ok == false )
- {
- mmi_object.u.menu_answ.i_choice = 0;
- }
- else
- {
- if ( HTTPExtractValue( psz_request, "choice", psz_value,
- sizeof(psz_value) ) == NULL )
- mmi_object.u.menu_answ.i_choice = 0;
- else
- mmi_object.u.menu_answ.i_choice = atoi(psz_value);
- }
- }
- en50221_SendMMIObject( p_access, i_slot, &mmi_object );
- return;
- }
- /* Check that we have all necessary MMI information. */
- for ( i_slot = 0; i_slot < p_sys->i_nb_slots; i_slot++ )
- {
- if ( p_sys->pb_slot_mmi_expected[i_slot] == true )
- return;
- }
- p = p_sys->psz_mmi_info = malloc( 10000 );
- if ( ioctl( p_sys->i_ca_handle, CA_GET_CAP, &caps ) != 0 )
- {
- char buf[1000];
- strerror_r( errno, buf, sizeof( buf ) );
- p += sprintf( p, "ioctl CA_GET_CAP failed (%s)n", buf );
- goto out;
- }
- /* Output CA capabilities */
- p += sprintf( p, "CA interface with %d %s, type:n<table>", caps.slot_num,
- caps.slot_num == 1 ? "slot" : "slots" );
- #define CHECK_CAPS( x, s )
- if ( caps.slot_type & (CA_##x) )
- p += sprintf( p, "<tr><td>" s "</td></tr>n" );
- CHECK_CAPS( CI, "CI high level interface" );
- CHECK_CAPS( CI_LINK, "CI link layer level interface" );
- CHECK_CAPS( CI_PHYS, "CI physical layer level interface (not supported)" );
- CHECK_CAPS( DESCR, "built-in descrambler" );
- CHECK_CAPS( SC, "simple smartcard interface" );
- #undef CHECK_CAPS
- p += sprintf( p, "</table>%d available %sn<table>", caps.descr_num,
- caps.descr_num == 1 ? "descrambler (key)" : "descramblers (keys)" );
- #define CHECK_DESC( x )
- if ( caps.descr_type & (CA_##x) )
- p += sprintf( p, "<tr><td>" STRINGIFY(x) "</td></tr>n" );
- CHECK_DESC( ECD );
- CHECK_DESC( NDS );
- CHECK_DESC( DSS );
- #undef CHECK_DESC
- p += sprintf( p, "</table>" );
- for ( i_slot = 0; i_slot < p_sys->i_nb_slots; i_slot++ )
- {
- ca_slot_info_t sinfo;
- p_sys->pb_slot_mmi_undisplayed[i_slot] = false;
- p += sprintf( p, "<p>CA slot #%d: ", i_slot );
- sinfo.num = i_slot;
- if ( ioctl( p_sys->i_ca_handle, CA_GET_SLOT_INFO, &sinfo ) != 0 )
- {
- char buf[1000];
- strerror_r( errno, buf, sizeof( buf ) );
- p += sprintf( p, "ioctl CA_GET_SLOT_INFO failed (%s)<br>n", buf );
- continue;
- }
- #define CHECK_TYPE( x, s )
- if ( sinfo.type & (CA_##x) )
- p += sprintf( p, "%s", s );
- CHECK_TYPE( CI, "high level, " );
- CHECK_TYPE( CI_LINK, "link layer level, " );
- CHECK_TYPE( CI_PHYS, "physical layer level, " );
- #undef CHECK_TYPE
- if ( sinfo.flags & CA_CI_MODULE_READY )
- {
- en50221_mmi_object_t *p_object = en50221_GetMMIObject( p_access,
- i_slot );
- p += sprintf( p, "module present and ready<p>n" );
- p += sprintf( p, "<form action=index.html method=get>n" );
- p += sprintf( p, "<input type=hidden name=slot value="%d">n",
- i_slot );
- if ( p_object == NULL )
- {
- p += sprintf( p, "<input type=submit name=open value="Open session">n" );
- }
- else
- {
- switch ( p_object->i_object_type )
- {
- case EN50221_MMI_ENQ:
- p += sprintf( p, "<input type=hidden name=type value=enq>n" );
- p += sprintf( p, "<table border=1><tr><th>%s</th></tr>n",
- p_object->u.enq.psz_text );
- if ( p_object->u.enq.b_blind == false )
- p += sprintf( p, "<tr><td><input type=text name=answ></td></tr>n" );
- else
- p += sprintf( p, "<tr><td><input type=password name=answ></td></tr>n" );
- break;
- case EN50221_MMI_MENU:
- p += sprintf( p, "<input type=hidden name=type value=menu>n" );
- p += sprintf( p, "<table border=1><tr><th>%s</th></tr>n",
- p_object->u.menu.psz_title );
- p += sprintf( p, "<tr><td>%s</td></tr><tr><td>n",
- p_object->u.menu.psz_subtitle );
- for ( i = 0; i < p_object->u.menu.i_choices; i++ )
- p += sprintf( p, "<input type=radio name=choice value="%d">%s<br>n", i + 1, p_object->u.menu.ppsz_choices[i] );
- p += sprintf( p, "</td></tr><tr><td>%s</td></tr>n",
- p_object->u.menu.psz_bottom );
- break;
- case EN50221_MMI_LIST:
- p += sprintf( p, "<input type=hidden name=type value=menu>n" );
- p += sprintf( p, "<input type=hidden name=choice value=0>n" );
- p += sprintf( p, "<table border=1><tr><th>%s</th></tr>n",
- p_object->u.menu.psz_title );
- p += sprintf( p, "<tr><td>%s</td></tr><tr><td>n",
- p_object->u.menu.psz_subtitle );
- for ( i = 0; i < p_object->u.menu.i_choices; i++ )
- p += sprintf( p, "%s<br>n",
- p_object->u.menu.ppsz_choices[i] );
- p += sprintf( p, "</td></tr><tr><td>%s</td></tr>n",
- p_object->u.menu.psz_bottom );
- break;
- default:
- p += sprintf( p, "<table><tr><th>Unknown MMI object type</th></tr>n" );
- }
- p += sprintf( p, "</table><p><input type=submit name=ok value="OK">n" );
- p += sprintf( p, "<input type=submit name=cancel value="Cancel">n" );
- p += sprintf( p, "<input type=submit name=close value="Close Session">n" );
- }
- p += sprintf( p, "</form>n" );
- }
- else if ( sinfo.flags & CA_CI_MODULE_PRESENT )
- p += sprintf( p, "module present, not ready<br>n" );
- else
- p += sprintf( p, "module not present<br>n" );
- }
- out:
- vlc_mutex_lock( &p_sys->httpd_mutex );
- p_sys->b_request_mmi_info = false;
- vlc_cond_signal( &p_sys->httpd_cond );
- vlc_mutex_unlock( &p_sys->httpd_mutex );
- }
- #endif
- /*****************************************************************************
- * CAMSet :
- *****************************************************************************/
- int CAMSet( access_t * p_access, dvbpsi_pmt_t *p_pmt )
- {
- access_sys_t *p_sys = p_access->p_sys;
- if( p_sys->i_ca_handle == 0 )
- {
- dvbpsi_DeletePMT( p_pmt );
- return VLC_EGENERIC;
- }
- en50221_SetCAPMT( p_access, p_pmt );
- return VLC_SUCCESS;
- }
- /*****************************************************************************
- * CAMClose :
- *****************************************************************************/
- void CAMClose( access_t * p_access )
- {
- access_sys_t *p_sys = p_access->p_sys;
- en50221_End( p_access );
- if ( p_sys->i_ca_handle )
- {
- close( p_sys->i_ca_handle );
- }
- }