void EFFECT_LOWPASS::set_parameter(int param, CHAIN_OPERATOR::parameter_t value) {
switch (param) {
case 1:
set_cutoff(value, samples_per_second());
break;
}
}
make_system()
{
int done;
do_calc_data();
if (nsymbonscr) {
set_cutoff();
done = adjust();
} else
done = TRUE;
return done;
}
/*
* check_config:
* -------------
*/
static void check_config()
{
static char *mode_names[4] = { "stereo", "j-stereo", "dual-ch", "mono" };
static char *layer_names[4] = { "", "III", "II", "I" };
static char *version_names[4] = { "MPEG 2.5", "", "MPEG 2", "MPEG 1" };
static char *psy_names[3] = { "none", "MUSICAM", "Shine" };
static char *demp_names[4] = { "none", "50/15us", "", "CITT" };
config.mpeg.samplerate_index = find_samplerate_index(config.wave.samplerate);
config.mpeg.bitrate_index = find_bitrate_index(config.mpeg.bitr);
cutoff = set_cutoff();
printf("%s layer %s, %s Psychoacoustic Model: %s\n",
version_names[config.mpeg.type],
layer_names[config.mpeg.layr],
mode_names[config.mpeg.mode],
psy_names[config.mpeg.psyc] );
printf("Bitrate=%d kbps ",config.mpeg.bitr );
printf("De-emphasis: %s %s %s\n",
demp_names[config.mpeg.emph],
(config.mpeg.original) ? "Original" : "",
(config.mpeg.copyright) ? "(C)" : "" );
}
