/*****************************************************************************
* scan.c: DVB scanner helpers
*****************************************************************************
- * Copyright (C) 2008 the VideoLAN team
+ * Copyright (C) 2008,2010 the VideoLAN team
*
* Authors: Laurent Aimar <fenrir@videolan.org>
+ * David Kaplan <david@2of1.org>
*
* 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
#include <vlc_plugin.h>
#include <vlc_access.h>
#include <vlc_dialog.h>
+#include <vlc_fs.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
p_parameter->bandwidth.i_min, p_parameter->bandwidth.i_max );
msg_Dbg( p_obj, " - exhaustive mode %s", p_parameter->b_exhaustive ? "on" : "off" );
}
+ else if( p_parameter->type == SCAN_DVB_S )
+ {
+ msg_Dbg( p_obj, "DVB-S scanning:" );
+ msg_Dbg( p_obj, " - satellite [%s]", p_parameter->sat_info.psz_name );
+ }
else
{
return VLC_EGENERIC;
}
+ msg_Dbg( p_obj, " - use NIT %s", p_parameter->b_use_nit ? "on" : "off" );
+ msg_Dbg( p_obj, " - FTA only %s", p_parameter->b_free_only ? "on" : "off" );
p_scan->p_obj = VLC_OBJECT(p_obj);
p_scan->i_index = 0;
return VLC_SUCCESS;
}
+
void scan_Clean( scan_t *p_scan )
{
if( p_scan->p_dialog != NULL )
TAB_CLEAN( p_scan->i_service, p_scan->pp_service );
}
+static int ScanDvbSNextFast( scan_t *p_scan, scan_configuration_t *p_cfg, double *pf_pos )
+{
+ msg_Dbg( p_scan->p_obj, "Scan index %"PRId64, p_scan->i_index );
+
+ int *pi_count = &p_scan->parameter.sat_info.i_count;
+
+ if( !p_scan->parameter.sat_info.psz_name )
+ {
+ msg_Err( p_scan->p_obj, "no satellite selected" );
+ return VLC_EGENERIC;
+ }
+
+ /* if there are no transponders in mem, laod from config file */
+ if( !*pi_count )
+ {
+ scan_dvbs_transponder_t *p_transponders = malloc( sizeof( scan_dvbs_transponder_t ) );
+
+ DIR *p_dir;
+
+ char *psz_dir = NULL;
+ char *data_dir = config_GetDataDir( p_scan->p_obj );
+
+ if( asprintf( &psz_dir, "%s" DIR_SEP "dvb" DIR_SEP "dvb-s", data_dir ) == -1 )
+ psz_dir = NULL;
+ free( data_dir );
+
+ if( !psz_dir )
+ {
+ free( p_scan->parameter.sat_info.psz_name );
+ return VLC_EGENERIC;
+ }
+
+ /* open config directory */
+ if( !( p_dir = vlc_opendir( psz_dir ) ) )
+ {
+ msg_Err( p_scan->p_obj, "could not open satellite info directory (%s)", psz_dir );
+ free( p_scan->parameter.sat_info.psz_name );
+ return VLC_EGENERIC;
+ }
+
+ /* find the requested file in the directory */
+ for( ; ; ) {
+ char *psz_filename;
+
+ if( ! (psz_filename = vlc_readdir( p_dir ) ) )
+ break;
+
+ if( !strncmp( p_scan->parameter.sat_info.psz_name, psz_filename, 20 ) )
+ {
+ if( asprintf( &p_scan->parameter.sat_info.psz_path, "%s" DIR_SEP "%s", psz_dir, psz_filename ) == -1 )
+ p_scan->parameter.sat_info.psz_path = NULL;
+
+ free( psz_filename );
+ break;
+ }
+ }
+
+ closedir( p_dir );
+
+ if( !p_scan->parameter.sat_info.psz_path )
+ {
+ msg_Err( p_scan->p_obj, "could not find satellite config (%s)", p_scan->parameter.sat_info.psz_name );
+ free( p_scan->parameter.sat_info.psz_name );
+ return VLC_EGENERIC;
+ }
+
+ msg_Dbg( p_scan->p_obj, "using satellite config file (%s)", p_scan->parameter.sat_info.psz_path );
+
+ FILE *f = vlc_fopen( p_scan->parameter.sat_info.psz_path, "r" );
+
+ /* parse file */
+ if( f )
+ {
+ char type;
+ char psz_fec[3];
+
+ int res;
+ do
+ {
+ if ( ( res = fscanf( f, "%c %d %c %d %s\n",
+ &type,
+ &p_transponders[*pi_count].i_frequency,
+ &p_transponders[*pi_count].c_polarization,
+ &p_transponders[*pi_count].i_symbol_rate,
+ psz_fec ) ) != 5 )
+ {
+ msg_Dbg( p_scan->p_obj, "error parsing transponder from file" );
+ continue;
+ }
+
+ /* decode fec */
+ char psz_fec_list[] = "1/22/33/44/55/66/77/88/9";
+ char *p_fec = strstr( psz_fec_list, psz_fec );
+ if ( !p_fec )
+ p_transponders[*pi_count].i_fec = 9; /* FEC_AUTO */
+ else
+ p_transponders[*pi_count].i_fec = 1 + ( ( p_fec-psz_fec_list ) / 3 );
+
+ (*pi_count)++;
+
+ p_transponders = realloc(p_transponders, ( *pi_count + 1 ) * sizeof( scan_dvbs_transponder_t ) );
+ } while (res != EOF);
+
+ msg_Dbg( p_scan->p_obj, "parsed %d transponders from config", *pi_count);
+
+ fclose( f );
+ }
+ else
+ {
+ msg_Err( p_scan->p_obj, "failed to open satellite file (%s)", p_scan->parameter.sat_info.psz_path );
+ free( p_scan->parameter.sat_info.psz_name );
+ free( p_scan->parameter.sat_info.psz_path );
+ return VLC_EGENERIC;
+ }
+ free( p_scan->parameter.sat_info.psz_name );
+ free( p_scan->parameter.sat_info.psz_path );
+
+ p_scan->parameter.sat_info.p_transponders = p_transponders;
+ }
+
+ if( p_scan->i_index < *pi_count )
+ {
+ /* setup params for scan */
+ p_cfg->i_bandwidth = p_scan->parameter.sat_info.p_transponders[p_scan->i_index].i_symbol_rate / 1000;
+ p_cfg->i_frequency = p_scan->parameter.sat_info.p_transponders[p_scan->i_index].i_frequency;
+ p_cfg->i_fec = p_scan->parameter.sat_info.p_transponders[p_scan->i_index].i_fec;
+ p_cfg->c_polarization = p_scan->parameter.sat_info.p_transponders[p_scan->i_index].c_polarization;
+
+ msg_Dbg( p_scan->p_obj,
+ "transponder [%d/%d]: frequency=%d, symbolrate=%d, fec=%d, polarization=%c",
+ p_scan->i_index + 1,
+ *pi_count,
+ p_cfg->i_frequency,
+ p_cfg->i_bandwidth,
+ p_cfg->i_fec,
+ p_cfg->c_polarization );
+
+ *pf_pos = (double)p_scan->i_index / *pi_count;
+
+ return VLC_SUCCESS;
+ }
+
+ if( p_scan->parameter.sat_info.p_transponders )
+ {
+ free( p_scan->parameter.sat_info.p_transponders );
+ p_scan->parameter.sat_info.p_transponders = NULL;
+ }
+
+ return VLC_EGENERIC;
+}
+
static int ScanDvbCNextFast( scan_t *p_scan, scan_configuration_t *p_cfg, double *pf_pos )
{
msg_Dbg( p_scan->p_obj, "Scan index %"PRId64, p_scan->i_index );
return ScanDvbTNextFast( p_scan, p_cfg, pf_pos );
}
+static int ScanDvbSNext( scan_t *p_scan, scan_configuration_t *p_cfg, double *pf_pos )
+{
+ if( p_scan->parameter.b_exhaustive )
+ msg_Dbg( p_scan->p_obj, "no exhaustive svb-d scan mode" );
+
+ return ScanDvbSNextFast( p_scan, p_cfg, pf_pos );
+}
+
int scan_Next( scan_t *p_scan, scan_configuration_t *p_cfg )
{
double f_position;
case SCAN_DVB_C:
i_ret = ScanDvbCNext( p_scan, p_cfg, &f_position );
break;
+ case SCAN_DVB_S:
+ i_ret = ScanDvbSNext( p_scan, p_cfg, &f_position );
+ break;
default:
i_ret = VLC_EGENERIC;
break;
s->i_network_id, s->i_nit_version, s->i_sdt_version,
s->cfg.i_frequency, s->cfg.i_bandwidth, s->i_snr );
+ if( !s->cfg.i_fec )
+ s->cfg.i_fec = 9; /* FEC_AUTO */
+
char *psz;
if( asprintf( &psz, "#EXTINF:,,%s\n"
"#EXTVLCOPT:program=%d\n"
- "dvb://frequency=%d:bandwidth=%d\n"
+ "dvb://frequency=%d:bandwidth=%d:voltage=%d:fec=%d\n"
"\n",
s->psz_name && * s->psz_name ? s->psz_name : "Unknown",
s->i_program,
- s->cfg.i_frequency, s->cfg.i_bandwidth ) < 0 )
+ s->cfg.i_frequency,
+ s->cfg.i_bandwidth,
+ s->cfg.c_polarization == 'H' ? 18 : 13,
+ s->cfg.i_fec ) < 0 )
psz = NULL;
if( psz )
{
projects / vlc / blobdiff