access.c
资源名称:vlc-1.0.5.zip [点击查看]
上传用户:kjfoods
上传日期:2020-07-06
资源大小:29949k
文件大小:33k
源码类别:
midi
开发平台:
Unix_Linux
- /*****************************************************************************
- * access.c: DVB card input v4l2 only
- *****************************************************************************
- * Copyright (C) 1998-2005 the VideoLAN team
- *
- * Authors: Johan Bilien <jobi@via.ecp.fr>
- * Jean-Paul Saman <jpsaman _at_ videolan _dot_ org>
- * Christophe Massiot <massiot@via.ecp.fr>
- * Laurent Aimar <fenrir@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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
- *****************************************************************************/
- /*****************************************************************************
- * Preamble
- *****************************************************************************/
- #ifdef HAVE_CONFIG_H
- # include "config.h"
- #endif
- #include <vlc_common.h>
- #include <vlc_plugin.h>
- #include <vlc_access.h>
- #include <vlc_input.h>
- #include <vlc_interface.h>
- #include <vlc_dialog.h>
- #ifdef HAVE_UNISTD_H
- # include <unistd.h>
- #endif
- #include <fcntl.h>
- #include <sys/types.h>
- #include <sys/poll.h>
- #include <errno.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"
- /*****************************************************************************
- * Module descriptor
- *****************************************************************************/
- static int Open( vlc_object_t *p_this );
- static void Close( vlc_object_t *p_this );
- #define CACHING_TEXT N_("Caching value in ms")
- #define CACHING_LONGTEXT N_(
- "Caching value for DVB streams. This "
- "value should be set in milliseconds." )
- #define ADAPTER_TEXT N_("Adapter card to tune")
- #define ADAPTER_LONGTEXT N_("Adapter cards have a device file in directory named /dev/dvb/adapter[n] with n>=0.")
- #define DEVICE_TEXT N_("Device number to use on adapter")
- #define DEVICE_LONGTEXT ""
- #define FREQ_TEXT N_("Transponder/multiplex frequency")
- #define FREQ_LONGTEXT N_("In kHz for DVB-S or Hz for DVB-C/T")
- #define INVERSION_TEXT N_("Inversion mode")
- #define INVERSION_LONGTEXT N_("Inversion mode [0=off, 1=on, 2=auto]")
- #define PROBE_TEXT N_("Probe DVB card for capabilities")
- #define PROBE_LONGTEXT N_("Some DVB cards do not like to be probed for their capabilities, you can disable this feature if you experience some trouble.")
- #define BUDGET_TEXT N_("Budget mode")
- #define BUDGET_LONGTEXT N_("This allows you to stream an entire transponder with a "budget" card.")
- /* Satellite */
- #define SATNO_TEXT N_("Satellite number in the Diseqc system")
- #define SATNO_LONGTEXT N_("[0=no diseqc, 1-4=satellite number].")
- #define VOLTAGE_TEXT N_("LNB voltage")
- #define VOLTAGE_LONGTEXT N_("In Volts [0, 13=vertical, 18=horizontal].")
- #define HIGH_VOLTAGE_TEXT N_("High LNB voltage")
- #define HIGH_VOLTAGE_LONGTEXT N_("Enable high voltage if your cables are "
- "particularly long. This is not supported by all frontends.")
- #define TONE_TEXT N_("22 kHz tone")
- #define TONE_LONGTEXT N_("[0=off, 1=on, -1=auto].")
- #define FEC_TEXT N_("Transponder FEC")
- #define FEC_LONGTEXT N_("FEC=Forward Error Correction mode [9=auto].")
- #define SRATE_TEXT N_("Transponder symbol rate in kHz")
- #define SRATE_LONGTEXT ""
- #define LNB_LOF1_TEXT N_("Antenna lnb_lof1 (kHz)")
- #define LNB_LOF1_LONGTEXT ""
- #define LNB_LOF2_TEXT N_("Antenna lnb_lof2 (kHz)")
- #define LNB_LOF2_LONGTEXT ""
- #define LNB_SLOF_TEXT N_("Antenna lnb_slof (kHz)")
- #define LNB_SLOF_LONGTEXT ""
- /* Cable */
- #define MODULATION_TEXT N_("Modulation type")
- #define MODULATION_LONGTEXT N_("Modulation type for front-end device.")
- /* Terrestrial */
- #define CODE_RATE_HP_TEXT N_("Terrestrial high priority stream code rate (FEC)")
- #define CODE_RATE_HP_LONGTEXT ""
- #define CODE_RATE_LP_TEXT N_("Terrestrial low priority stream code rate (FEC)")
- #define CODE_RATE_LP_LONGTEXT ""
- #define BANDWIDTH_TEXT N_("Terrestrial bandwidth")
- #define BANDWIDTH_LONGTEXT N_("Terrestrial bandwidth [0=auto,6,7,8 in MHz]")
- #define GUARD_TEXT N_("Terrestrial guard interval")
- #define GUARD_LONGTEXT ""
- #define TRANSMISSION_TEXT N_("Terrestrial transmission mode")
- #define TRANSMISSION_LONGTEXT ""
- #define HIERARCHY_TEXT N_("Terrestrial hierarchy mode")
- #define HIERARCHY_LONGTEXT ""
- #define HOST_TEXT N_( "HTTP Host address" )
- #define HOST_LONGTEXT N_(
- "To enable the internal HTTP server, set its address and port here." )
- #define USER_TEXT N_( "HTTP user name" )
- #define USER_LONGTEXT N_(
- "User name the administrator will use to log into "
- "the internal HTTP server." )
- #define PASSWORD_TEXT N_( "HTTP password" )
- #define PASSWORD_LONGTEXT N_(
- "Password the administrator will use to log into "
- "the internal HTTP server." )
- #define ACL_TEXT N_( "HTTP ACL" )
- #define ACL_LONGTEXT N_(
- "Access control list (equivalent to .hosts) file path, "
- "which will limit the range of IPs entitled to log into the internal "
- "HTTP server." )
- #define CERT_TEXT N_( "Certificate file" )
- #define CERT_LONGTEXT N_( "HTTP interface x509 PEM certificate file "
- "(enables SSL)" )
- #define KEY_TEXT N_( "Private key file" )
- #define KEY_LONGTEXT N_( "HTTP interface x509 PEM private key file" )
- #define CA_TEXT N_( "Root CA file" )
- #define CA_LONGTEXT N_( "HTTP interface x509 PEM trusted root CA "
- "certificates file" )
- #define CRL_TEXT N_( "CRL file" )
- #define CRL_LONGTEXT N_( "HTTP interface Certificates Revocation List file" )
- vlc_module_begin ()
- set_shortname( N_("DVB") )
- set_description( N_("DVB input with v4l2 support") )
- set_category( CAT_INPUT )
- set_subcategory( SUBCAT_INPUT_ACCESS )
- add_integer( "dvb-caching", DEFAULT_PTS_DELAY / 1000, NULL, CACHING_TEXT,
- CACHING_LONGTEXT, true )
- change_safe()
- add_integer( "dvb-adapter", 0, NULL, ADAPTER_TEXT, ADAPTER_LONGTEXT,
- false )
- add_integer( "dvb-device", 0, NULL, DEVICE_TEXT, DEVICE_LONGTEXT,
- true )
- add_integer( "dvb-frequency", 0, NULL, FREQ_TEXT, FREQ_LONGTEXT,
- false )
- add_integer( "dvb-inversion", 2, NULL, INVERSION_TEXT, INVERSION_LONGTEXT,
- true )
- add_bool( "dvb-probe", 1, NULL, PROBE_TEXT, PROBE_LONGTEXT, true )
- add_bool( "dvb-budget-mode", 0, NULL, BUDGET_TEXT, BUDGET_LONGTEXT,
- true )
- /* DVB-S (satellite) */
- add_integer( "dvb-satno", 0, NULL, SATNO_TEXT, SATNO_LONGTEXT,
- true )
- add_integer( "dvb-voltage", 13, NULL, VOLTAGE_TEXT, VOLTAGE_LONGTEXT,
- true )
- add_bool( "dvb-high-voltage", 0, NULL, HIGH_VOLTAGE_TEXT,
- HIGH_VOLTAGE_LONGTEXT, true )
- add_integer( "dvb-tone", -1, NULL, TONE_TEXT, TONE_LONGTEXT,
- true )
- add_integer( "dvb-fec", 9, NULL, FEC_TEXT, FEC_LONGTEXT, true )
- add_integer( "dvb-srate", 27500000, NULL, SRATE_TEXT, SRATE_LONGTEXT,
- false )
- add_integer( "dvb-lnb-lof1", 0, NULL, LNB_LOF1_TEXT,
- LNB_LOF1_LONGTEXT, true )
- add_integer( "dvb-lnb-lof2", 0, NULL, LNB_LOF2_TEXT,
- LNB_LOF2_LONGTEXT, true )
- add_integer( "dvb-lnb-slof", 0, NULL, LNB_SLOF_TEXT,
- LNB_SLOF_LONGTEXT, true )
- /* DVB-C (cable) */
- add_integer( "dvb-modulation", 0, NULL, MODULATION_TEXT,
- MODULATION_LONGTEXT, true )
- /* DVB-T (terrestrial) */
- add_integer( "dvb-code-rate-hp", 9, NULL, CODE_RATE_HP_TEXT,
- CODE_RATE_HP_LONGTEXT, true )
- add_integer( "dvb-code-rate-lp", 9, NULL, CODE_RATE_LP_TEXT,
- CODE_RATE_LP_LONGTEXT, true )
- add_integer( "dvb-bandwidth", 0, NULL, BANDWIDTH_TEXT, BANDWIDTH_LONGTEXT,
- true )
- add_integer( "dvb-guard", 0, NULL, GUARD_TEXT, GUARD_LONGTEXT, true )
- add_integer( "dvb-transmission", 0, NULL, TRANSMISSION_TEXT,
- TRANSMISSION_LONGTEXT, true )
- add_integer( "dvb-hierarchy", 0, NULL, HIERARCHY_TEXT, HIERARCHY_LONGTEXT,
- true )
- #ifdef ENABLE_HTTPD
- /* MMI HTTP interface */
- set_section( N_("HTTP server" ), 0 )
- add_string( "dvb-http-host", NULL, NULL, HOST_TEXT, HOST_LONGTEXT,
- true )
- add_string( "dvb-http-user", NULL, NULL, USER_TEXT, USER_LONGTEXT,
- true )
- add_string( "dvb-http-password", NULL, NULL, PASSWORD_TEXT,
- PASSWORD_LONGTEXT, true )
- add_string( "dvb-http-acl", NULL, NULL, ACL_TEXT, ACL_LONGTEXT,
- true )
- add_string( "dvb-http-intf-cert", NULL, NULL, CERT_TEXT, CERT_LONGTEXT,
- true )
- add_string( "dvb-http-intf-key", NULL, NULL, KEY_TEXT, KEY_LONGTEXT,
- true )
- add_string( "dvb-http-intf-ca", NULL, NULL, CA_TEXT, CA_LONGTEXT,
- true )
- add_string( "dvb-http-intf-crl", NULL, NULL, CRL_TEXT, CRL_LONGTEXT,
- true )
- #endif
- set_capability( "access", 0 )
- add_shortcut( "dvb" ) /* Generic name */
- add_shortcut( "dvb-s" ) /* Satellite */
- add_shortcut( "qpsk" )
- add_shortcut( "satellite" )
- add_shortcut( "dvb-c" ) /* Cable */
- add_shortcut( "cable" )
- add_shortcut( "dvb-t" ) /* Terrestrial */
- add_shortcut( "terrestrial" )
- add_shortcut( "atsc" ) /* Atsc */
- add_shortcut( "usdigital" )
- set_callbacks( Open, Close )
- vlc_module_end ()
- /*****************************************************************************
- * Local prototypes
- *****************************************************************************/
- static block_t *Block( access_t * );
- static int Control( access_t *, int, va_list );
- static block_t *BlockScan( access_t * );
- #define DVB_READ_ONCE 20
- #define DVB_READ_ONCE_START 2
- #define DVB_READ_ONCE_SCAN 1
- #define TS_PACKET_SIZE 188
- #define DVB_SCAN_MAX_SIGNAL_TIME (300*1000)
- #define DVB_SCAN_MAX_LOCK_TIME (5000*1000)
- #define DVB_SCAN_MAX_PROBE_TIME (30000*1000)
- static void FilterUnset( access_t *, int i_max );
- static void FilterUnsetPID( access_t *, int i_pid );
- static void FilterSet( access_t *, int i_pid, int i_type );
- static void VarInit( access_t * );
- static int ParseMRL( access_t * );
- /*****************************************************************************
- * Open: open the frontend device
- *****************************************************************************/
- static int Open( vlc_object_t *p_this )
- {
- access_t *p_access = (access_t*)p_this;
- access_sys_t *p_sys;
- /* Only if selected */
- if( *p_access->psz_access == ' ' )
- return VLC_EGENERIC;
- /* Set up access */
- p_access->pf_read = NULL;
- p_access->pf_block = Block;
- p_access->pf_control = Control;
- p_access->pf_seek = NULL;
- access_InitFields( p_access );
- p_access->p_sys = p_sys = calloc( 1, sizeof( access_sys_t ) );
- if( !p_sys )
- return VLC_ENOMEM;
- /* Create all variables */
- VarInit( p_access );
- /* Parse the command line */
- if( ParseMRL( p_access ) )
- {
- free( p_sys );
- return VLC_EGENERIC;
- }
- /* Getting frontend info */
- if( FrontendOpen( p_access) )
- {
- free( p_sys );
- return VLC_EGENERIC;
- }
- /* */
- p_sys->b_scan_mode = var_GetInteger( p_access, "dvb-frequency" ) == 0;
- if( p_sys->b_scan_mode )
- {
- msg_Dbg( p_access, "DVB scan mode selected" );
- p_access->pf_block = BlockScan;
- }
- else
- {
- /* Setting frontend parameters for tuning the hardware */
- msg_Dbg( p_access, "trying to tune the frontend...");
- if( FrontendSet( p_access ) < 0 )
- {
- FrontendClose( p_access );
- free( p_sys );
- return VLC_EGENERIC;
- }
- }
- /* Opening DVR device */
- if( DVROpen( p_access ) < 0 )
- {
- FrontendClose( p_access );
- free( p_sys );
- return VLC_EGENERIC;
- }
- if( p_sys->b_scan_mode )
- {
- scan_parameter_t parameter;
- msg_Dbg( p_access, "setting filter on PAT/NIT/SDT (DVB only)" );
- FilterSet( p_access, 0x00, OTHER_TYPE ); // PAT
- FilterSet( p_access, 0x10, OTHER_TYPE ); // NIT
- FilterSet( p_access, 0x11, OTHER_TYPE ); // SDT
- if( FrontendGetScanParameter( p_access, ¶meter ) ||
- scan_Init( VLC_OBJECT(p_access), &p_sys->scan, ¶meter ) )
- {
- Close( VLC_OBJECT(p_access) );
- return VLC_EGENERIC;
- }
- }
- else
- {
- p_sys->b_budget_mode = var_GetBool( p_access, "dvb-budget-mode" );
- if( p_sys->b_budget_mode )
- {
- msg_Dbg( p_access, "setting filter on all PIDs" );
- FilterSet( p_access, 0x2000, OTHER_TYPE );
- }
- else
- {
- msg_Dbg( p_access, "setting filter on PAT" );
- FilterSet( p_access, 0x0, OTHER_TYPE );
- }
- CAMOpen( p_access );
- #ifdef ENABLE_HTTPD
- HTTPOpen( p_access );
- #endif
- }
- if( p_sys->b_scan_mode )
- p_sys->i_read_once = DVB_READ_ONCE_SCAN;
- else if( p_sys->b_budget_mode )
- p_sys->i_read_once = DVB_READ_ONCE;
- else
- p_sys->i_read_once = DVB_READ_ONCE_START;
- free( p_access->psz_demux );
- p_access->psz_demux = strdup( p_sys->b_scan_mode ? "m3u8" : "ts" );
- return VLC_SUCCESS;
- }
- /*****************************************************************************
- * Close : Close the device
- *****************************************************************************/
- static void Close( vlc_object_t *p_this )
- {
- access_t *p_access = (access_t*)p_this;
- access_sys_t *p_sys = p_access->p_sys;
- FilterUnset( p_access, p_sys->b_budget_mode && !p_sys->b_scan_mode ? 1 : MAX_DEMUX );
- DVRClose( p_access );
- FrontendClose( p_access );
- if( p_sys->b_scan_mode )
- scan_Clean( &p_sys->scan );
- else
- CAMClose( p_access );
- #ifdef ENABLE_HTTPD
- if( !p_sys->b_scan_mode )
- HTTPClose( p_access );
- #endif
- free( p_sys );
- }
- /*****************************************************************************
- * Block:
- *****************************************************************************/
- static block_t *Block( access_t *p_access )
- {
- access_sys_t *p_sys = p_access->p_sys;
- block_t *p_block;
- for ( ; ; )
- {
- struct pollfd ufds[2];
- int i_ret;
- /* Initialize file descriptor sets */
- memset (ufds, 0, sizeof (ufds));
- ufds[0].fd = p_sys->i_handle;
- ufds[0].events = POLLIN;
- ufds[1].fd = p_sys->i_frontend_handle;
- ufds[1].events = POLLPRI;
- /* We'll wait 0.5 second if nothing happens */
- /* Find if some data is available */
- i_ret = poll( ufds, 2, 500 );
- if ( !vlc_object_alive (p_access) )
- return NULL;
- if ( i_ret < 0 )
- {
- if( errno == EINTR )
- continue;
- msg_Err( p_access, "poll error: %m" );
- return NULL;
- }
- if ( p_sys->i_ca_handle && mdate() > p_sys->i_ca_next_event )
- {
- CAMPoll( p_access );
- p_sys->i_ca_next_event = mdate() + p_sys->i_ca_timeout;
- }
- if ( ufds[1].revents )
- {
- FrontendPoll( p_access );
- }
- #ifdef ENABLE_HTTPD
- if ( p_sys->i_httpd_timeout && mdate() > p_sys->i_httpd_timeout )
- {
- vlc_mutex_lock( &p_sys->httpd_mutex );
- if ( p_sys->b_request_frontend_info )
- {
- msg_Warn( p_access, "frontend timeout for HTTP interface" );
- p_sys->b_request_frontend_info = false;
- p_sys->psz_frontend_info = strdup( "Timeout getting infon" );
- }
- if ( p_sys->b_request_mmi_info )
- {
- msg_Warn( p_access, "MMI timeout for HTTP interface" );
- p_sys->b_request_mmi_info = false;
- p_sys->psz_mmi_info = strdup( "Timeout getting infon" );
- }
- vlc_cond_signal( &p_sys->httpd_cond );
- vlc_mutex_unlock( &p_sys->httpd_mutex );
- }
- if ( p_sys->b_request_frontend_info )
- {
- FrontendStatus( p_access );
- }
- if ( p_sys->b_request_mmi_info )
- {
- CAMStatus( p_access );
- }
- #endif
- if ( p_sys->i_frontend_timeout && mdate() > p_sys->i_frontend_timeout )
- {
- msg_Warn( p_access, "no lock, tuning again" );
- FrontendSet( p_access );
- }
- if ( ufds[0].revents )
- {
- p_block = block_New( p_access,
- p_sys->i_read_once * TS_PACKET_SIZE );
- if( ( i_ret = read( p_sys->i_handle, p_block->p_buffer,
- p_sys->i_read_once * TS_PACKET_SIZE ) ) <= 0 )
- {
- msg_Warn( p_access, "read failed (%m)" );
- block_Release( p_block );
- continue;
- }
- p_block->i_buffer = i_ret;
- break;
- }
- }
- if( p_sys->i_read_once < DVB_READ_ONCE )
- p_sys->i_read_once++;
- /* Update moderatly the signal properties */
- if( (p_sys->i_stat_counter++ % 100) == 0 )
- p_access->info.i_update |= INPUT_UPDATE_SIGNAL;
- return p_block;
- }
- /*****************************************************************************
- * BlockScan:
- *****************************************************************************/
- static block_t *BlockScan( access_t *p_access )
- {
- access_sys_t *p_sys = p_access->p_sys;
- scan_t *p_scan = &p_sys->scan;
- scan_configuration_t cfg;
- scan_session_t session;
- /* */
- if( scan_Next( p_scan, &cfg ) )
- {
- const bool b_first_eof = !p_access->info.b_eof;
- if( b_first_eof )
- msg_Warn( p_access, "Scanning finished" );
- /* */
- p_access->info.b_eof = true;
- return b_first_eof ? scan_GetM3U( p_scan ) : NULL;
- }
- /* */
- if( scan_session_Init( VLC_OBJECT(p_access), &session, &cfg ) )
- return NULL;
- /* */
- msg_Dbg( p_access, "Scanning frequency %d", cfg.i_frequency );
- var_SetInteger( p_access, "dvb-frequency", cfg.i_frequency );
- var_SetInteger( p_access, "dvb-bandwidth", cfg.i_bandwidth );
- /* Setting frontend parameters for tuning the hardware */
- if( FrontendSet( p_access ) < 0 )
- {
- msg_Err( p_access, "Failed to tune the frontend" );
- p_access->info.b_eof = true;
- return NULL;
- }
- /* */
- int64_t i_scan_start = mdate();
- bool b_has_dvb_signal = false;
- bool b_has_lock = false;
- int i_best_snr = -1;
- for ( ; ; )
- {
- struct pollfd ufds[2];
- int i_ret;
- /* Initialize file descriptor sets */
- memset (ufds, 0, sizeof (ufds));
- ufds[0].fd = p_sys->i_handle;
- ufds[0].events = POLLIN;
- ufds[1].fd = p_sys->i_frontend_handle;
- ufds[1].events = POLLPRI;
- /* We'll wait 0.1 second if nothing happens */
- /* Find if some data is available */
- i_ret = poll( ufds, 2, 100 );
- if( !vlc_object_alive (p_access) || scan_IsCancelled( p_scan ) )
- break;
- if( i_ret <= 0 )
- {
- const mtime_t i_scan_time = mdate() - i_scan_start;
- frontend_status_t status;
- FrontendGetStatus( p_access, &status );
- b_has_dvb_signal |= status.b_has_carrier;
- b_has_lock |= status.b_has_lock;
- if( ( !b_has_dvb_signal && i_scan_time > DVB_SCAN_MAX_SIGNAL_TIME ) ||
- ( !b_has_lock && i_scan_time > DVB_SCAN_MAX_LOCK_TIME ) ||
- ( i_scan_time > DVB_SCAN_MAX_PROBE_TIME ) )
- {
- msg_Dbg( p_access, "timed out scanning current frequency (s=%d l=%d)", b_has_dvb_signal, b_has_lock );
- break;
- }
- }
- if( i_ret < 0 )
- {
- if( errno == EINTR )
- continue;
- msg_Err( p_access, "poll error: %m" );
- scan_session_Clean( p_scan, &session );
- p_access->info.b_eof = true;
- return NULL;
- }
- if( ufds[1].revents )
- {
- frontend_statistic_t stat;
- FrontendPoll( p_access );
- if( !FrontendGetStatistic( p_access, &stat ) )
- {
- if( stat.i_snr > i_best_snr )
- i_best_snr = stat.i_snr;
- }
- }
- if ( p_sys->i_frontend_timeout && mdate() > p_sys->i_frontend_timeout )
- {
- msg_Warn( p_access, "no lock, tuning again" );
- FrontendSet( p_access );
- }
- if ( ufds[0].revents )
- {
- const int i_read_once = 1;
- block_t *p_block = block_New( p_access, i_read_once * TS_PACKET_SIZE );
- if( ( i_ret = read( p_sys->i_handle, p_block->p_buffer,
- i_read_once * TS_PACKET_SIZE ) ) <= 0 )
- {
- msg_Warn( p_access, "read failed (%m)" );
- block_Release( p_block );
- continue;
- }
- p_block->i_buffer = i_ret;
- /* */
- if( scan_session_Push( &session, p_block ) )
- {
- msg_Dbg( p_access, "finished scanning current frequency" );
- break;
- }
- }
- }
- /* */
- if( i_best_snr > 0 )
- scan_service_SetSNR( &session, i_best_snr );
- scan_session_Clean( p_scan, &session );
- return NULL;
- }
- /*****************************************************************************
- * Control:
- *****************************************************************************/
- static int Control( access_t *p_access, int i_query, va_list args )
- {
- access_sys_t *p_sys = p_access->p_sys;
- bool *pb_bool, b_bool;
- int i_int;
- int64_t *pi_64;
- double *pf1, *pf2;
- dvbpsi_pmt_t *p_pmt;
- frontend_statistic_t stat;
- switch( i_query )
- {
- /* */
- case ACCESS_CAN_SEEK:
- case ACCESS_CAN_FASTSEEK:
- case ACCESS_CAN_PAUSE:
- case ACCESS_CAN_CONTROL_PACE:
- pb_bool = (bool*)va_arg( args, bool* );
- *pb_bool = false;
- break;
- /* */
- case ACCESS_GET_PTS_DELAY:
- pi_64 = (int64_t*)va_arg( args, int64_t * );
- *pi_64 = var_GetInteger( p_access, "dvb-caching" ) * 1000;
- break;
- /* */
- case ACCESS_SET_PAUSE_STATE:
- case ACCESS_GET_TITLE_INFO:
- case ACCESS_SET_TITLE:
- case ACCESS_SET_SEEKPOINT:
- case ACCESS_GET_CONTENT_TYPE:
- return VLC_EGENERIC;
- case ACCESS_GET_SIGNAL:
- pf1 = (double*)va_arg( args, double * );
- pf2 = (double*)va_arg( args, double * );
- *pf1 = *pf2 = 0;
- if( !FrontendGetStatistic( p_access, &stat ) )
- {
- *pf1 = (double)stat.i_snr / 65535.0;
- *pf2 = (double)stat.i_signal_strenth / 65535.0;
- }
- return VLC_SUCCESS;
- case ACCESS_SET_PRIVATE_ID_STATE:
- if( p_sys->b_scan_mode )
- return VLC_EGENERIC;
- i_int = (int)va_arg( args, int ); /* Private data (pid for now)*/
- b_bool = (bool)va_arg( args, int ); /* b_selected */
- if( !p_sys->b_budget_mode )
- {
- /* FIXME we may want to give the real type (me ?, I don't ;) */
- if( b_bool )
- FilterSet( p_access, i_int, OTHER_TYPE );
- else
- FilterUnsetPID( p_access, i_int );
- }
- break;
- case ACCESS_SET_PRIVATE_ID_CA:
- if( p_sys->b_scan_mode )
- return VLC_EGENERIC;
- p_pmt = (dvbpsi_pmt_t *)va_arg( args, dvbpsi_pmt_t * );
- CAMSet( p_access, p_pmt );
- break;
- default:
- msg_Warn( p_access, "unimplemented query in control" );
- return VLC_EGENERIC;
- }
- return VLC_SUCCESS;
- }
- /*****************************************************************************
- * FilterSet/FilterUnset:
- *****************************************************************************/
- static void FilterSet( access_t *p_access, int i_pid, int i_type )
- {
- access_sys_t *p_sys = p_access->p_sys;
- int i;
- /* Find first free slot */
- for( i = 0; i < MAX_DEMUX; i++ )
- {
- if( !p_sys->p_demux_handles[i].i_type )
- break;
- if( p_sys->p_demux_handles[i].i_pid == i_pid )
- return; /* Already set */
- }
- if( i >= MAX_DEMUX )
- {
- msg_Err( p_access, "no free p_demux_handles !" );
- return;
- }
- if( DMXSetFilter( p_access, i_pid,
- &p_sys->p_demux_handles[i].i_handle, i_type ) )
- {
- msg_Err( p_access, "DMXSetFilter failed" );
- return;
- }
- p_sys->p_demux_handles[i].i_type = i_type;
- p_sys->p_demux_handles[i].i_pid = i_pid;
- if( p_sys->i_read_once < DVB_READ_ONCE )
- p_sys->i_read_once++;
- }
- static void FilterUnset( access_t *p_access, int i_max )
- {
- access_sys_t *p_sys = p_access->p_sys;
- int i;
- for( i = 0; i < i_max; i++ )
- {
- if( p_sys->p_demux_handles[i].i_type )
- {
- DMXUnsetFilter( p_access, p_sys->p_demux_handles[i].i_handle );
- p_sys->p_demux_handles[i].i_type = 0;
- }
- }
- }
- static void FilterUnsetPID( access_t *p_access, int i_pid )
- {
- access_sys_t *p_sys = p_access->p_sys;
- int i;
- for( i = 0; i < MAX_DEMUX; i++ )
- {
- if( p_sys->p_demux_handles[i].i_type &&
- p_sys->p_demux_handles[i].i_pid == i_pid )
- {
- DMXUnsetFilter( p_access, p_sys->p_demux_handles[i].i_handle );
- p_sys->p_demux_handles[i].i_type = 0;
- }
- }
- }
- /*****************************************************************************
- * VarInit/ParseMRL:
- *****************************************************************************/
- static void VarInit( access_t *p_access )
- {
- /* */
- var_Create( p_access, "dvb-caching", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
- /* */
- var_Create( p_access, "dvb-adapter", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
- var_Create( p_access, "dvb-device", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
- var_Create( p_access, "dvb-frequency", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
- var_Create( p_access, "dvb-inversion", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
- var_Create( p_access, "dvb-probe", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
- var_Create( p_access, "dvb-budget-mode", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
- /* */
- var_Create( p_access, "dvb-satno", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
- var_Create( p_access, "dvb-voltage", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
- var_Create( p_access, "dvb-high-voltage", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
- var_Create( p_access, "dvb-tone", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
- var_Create( p_access, "dvb-fec", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
- var_Create( p_access, "dvb-srate", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
- var_Create( p_access, "dvb-lnb-lof1", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
- var_Create( p_access, "dvb-lnb-lof2", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
- var_Create( p_access, "dvb-lnb-slof", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
- /* */
- var_Create( p_access, "dvb-modulation", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
- /* */
- var_Create( p_access, "dvb-code-rate-hp", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
- var_Create( p_access, "dvb-code-rate-lp", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
- var_Create( p_access, "dvb-bandwidth", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
- var_Create( p_access, "dvb-transmission", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
- var_Create( p_access, "dvb-guard", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
- var_Create( p_access, "dvb-hierarchy", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
- #ifdef ENABLE_HTTPD
- var_Create( p_access, "dvb-http-host", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
- var_Create( p_access, "dvb-http-user", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
- var_Create( p_access, "dvb-http-password", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
- var_Create( p_access, "dvb-http-acl", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
- var_Create( p_access, "dvb-http-intf-cert", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
- var_Create( p_access, "dvb-http-intf-key", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
- var_Create( p_access, "dvb-http-intf-ca", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
- var_Create( p_access, "dvb-http-intf-crl", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
- #endif
- }
- /* */
- static int ParseMRL( access_t *p_access )
- {
- char *psz_dup = strdup( p_access->psz_path );
- char *psz_parser = psz_dup;
- char *psz_next;
- vlc_value_t val;
- #define GET_OPTION_INT( option )
- if ( !strncmp( psz_parser, option "=", strlen(option "=") ) )
- {
- val.i_int = strtol( psz_parser + strlen(option "="), &psz_parser,
- 0 );
- var_Set( p_access, "dvb-" option, val );
- }
- #define GET_OPTION_BOOL( option )
- if ( !strncmp( psz_parser, option "=", strlen(option "=") ) )
- {
- val.b_bool = strtol( psz_parser + strlen(option "="), &psz_parser,
- 0 );
- var_Set( p_access, "dvb-" option, val );
- }
- /* Test for old syntax */
- strtol( psz_parser, &psz_next, 10 );
- if( psz_next != psz_parser )
- {
- msg_Err( p_access, "the DVB input old syntax is deprecated, use vlc "
- "-p dvb to see an explanation of the new syntax" );
- dialog_FatalWait( p_access, _("Input syntax is deprecated"), "%s",
- _("The given syntax is deprecated. Run "vlc -p dvb" to see an "
- "explanation of the new syntax.") );
- free( psz_dup );
- return VLC_EGENERIC;
- }
- while( *psz_parser )
- {
- GET_OPTION_INT("adapter")
- else GET_OPTION_INT("device")
- else GET_OPTION_INT("frequency")
- else GET_OPTION_INT("inversion")
- else GET_OPTION_BOOL("probe")
- else GET_OPTION_BOOL("budget-mode")
- else GET_OPTION_INT("voltage")
- else GET_OPTION_BOOL("high-voltage")
- else GET_OPTION_INT("tone")
- else GET_OPTION_INT("satno")
- else GET_OPTION_INT("fec")
- else GET_OPTION_INT("srate")
- else GET_OPTION_INT("lnb-lof1")
- else GET_OPTION_INT("lnb-lof2")
- else GET_OPTION_INT("lnb-slof")
- else GET_OPTION_INT("modulation")
- else GET_OPTION_INT("code-rate-hp")
- else GET_OPTION_INT("code-rate-lp")
- else GET_OPTION_INT("bandwidth")
- else GET_OPTION_INT("transmission")
- else GET_OPTION_INT("guard")
- else GET_OPTION_INT("hierarchy")
- /* Redundant with voltage but much easier to use */
- else if( !strncmp( psz_parser, "polarization=",
- strlen( "polarization=" ) ) )
- {
- psz_parser += strlen( "polarization=" );
- if ( *psz_parser == 'V' || *psz_parser == 'v' )
- val.i_int = 13;
- else if ( *psz_parser == 'H' || *psz_parser == 'h' )
- val.i_int = 18;
- else
- {
- msg_Err( p_access, "illegal polarization %c", *psz_parser );
- dialog_Fatal( p_access, _("Invalid polarization"),
- _("The provided polarization "%c" is not valid."),
- *psz_parser );
- free( psz_dup );
- return VLC_EGENERIC;
- }
- var_Set( p_access, "dvb-voltage", val );
- }
- else
- {
- msg_Err( p_access, "unknown option (%s)", psz_parser );
- free( psz_dup );
- return VLC_EGENERIC;
- }
- if ( *psz_parser )
- psz_parser++;
- }
- #undef GET_OPTION_INT
- #undef GET_OPTION_BOOL
- free( psz_dup );
- return VLC_SUCCESS;
- }