Commit 9cf2944f authored by Ilkka Ollakka's avatar Ilkka Ollakka

dvb-c scanning support (not working yet)

parent c1788de6
......@@ -402,6 +402,28 @@ void FrontendGetStatus( access_t *p_access, frontend_status_t *p_status )
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_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;
......@@ -431,6 +453,8 @@ int FrontendGetScanParameter( access_t *p_access, scan_parameter_t *p_scan )
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;
......
......@@ -110,6 +110,15 @@ int scan_Init( vlc_object_t *p_obj, scan_t *p_scan, const scan_parameter_t *p_pa
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_C )
{
msg_Dbg( p_obj, "DVB-C scanning:" );
msg_Dbg( p_obj, " - frequency [%d, %d]",
p_parameter->frequency.i_min, p_parameter->frequency.i_max );
msg_Dbg( p_obj, " - bandwidth [%d,%d]",
p_parameter->bandwidth.i_min, p_parameter->bandwidth.i_max );
msg_Dbg( p_obj, " - exhaustive mode %s", p_parameter->b_exhaustive ? "on" : "off" );
}
else
{
return VLC_EGENERIC;
......@@ -134,6 +143,33 @@ void scan_Clean( scan_t *p_scan )
TAB_CLEAN( p_scan->i_service, p_scan->pp_service );
}
static int ScanDvbCNextFast( scan_t *p_scan, scan_configuration_t *p_cfg, double *pf_pos )
{
msg_Dbg( p_scan->p_obj, "Scan index %d", p_scan->i_index );
if( p_scan->i_index <= ( 10 ) )
{
p_cfg->i_frequency = 100500000 + ( ( p_scan->i_index ) * 700000);
}
else if ( p_scan->i_index <= (10 + 9 ) )
{
p_cfg->i_frequency = 97000000 + ( ( p_scan->i_index - 20 ) * 800000);
}
else if ( p_scan->i_index <= (38 + 17 ) )
{
p_cfg->i_frequency = 14250000 + ( ( p_scan->i_index - 33 ) * 700000);
}
else if ( p_scan->i_index <= (72 + (90-21) ) )
{
p_cfg->i_frequency = 13800000 + ( ( p_scan->i_index - (72 + 21 ) ) * 800000);
}
else
{
return VLC_EGENERIC;
}
*pf_pos = (double)p_scan->i_index / ( (90-21+22-5+10+9));
return VLC_SUCCESS;
}
static int ScanDvbTNextExhaustive( scan_t *p_scan, scan_configuration_t *p_cfg, double *pf_pos )
{
......@@ -222,6 +258,14 @@ static int ScanDvbTNextFast( scan_t *p_scan, scan_configuration_t *p_cfg, double
}
}
static int ScanDvbCNext( scan_t *p_scan, scan_configuration_t *p_cfg, double *pf_pos )
{
if( p_scan->parameter.b_exhaustive )
return ScanDvbTNextExhaustive( p_scan, p_cfg, pf_pos );
else
return ScanDvbCNextFast( p_scan, p_cfg, pf_pos );
}
static int ScanDvbTNext( scan_t *p_scan, scan_configuration_t *p_cfg, double *pf_pos )
{
if( p_scan->parameter.b_exhaustive )
......@@ -244,6 +288,9 @@ int scan_Next( scan_t *p_scan, scan_configuration_t *p_cfg )
case SCAN_DVB_T:
i_ret = ScanDvbTNext( p_scan, p_cfg, &f_position );
break;
case SCAN_DVB_C:
i_ret = ScanDvbCNext( p_scan, p_cfg, &f_position );
break;
default:
i_ret = VLC_EGENERIC;
break;
......
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