radio95/fm95
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maybe the darc will come

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This commit is contained in:
KubaPro010
2025-05-01 12:52:37 +02:00
parent 1d3171991e
commit 6c4aedc2c8
4 changed files with 31 additions and 6 deletions
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10
src/fm95.c
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@@ -450,23 +450,22 @@ int main(int argc, char **argv) {
float mono = (ready_l + ready_r) / 2.0f;
audio = mono*MONO_VOLUME;
float stereo_carrier = 0.0f;
if(stereo) {
float stereo = (ready_l - ready_r) / 2.0f;
stereo_carrier = get_oscillator_sin_multiplier_ni(&osc, polar_stereo ? 1 : 8);
float stereo_carrier = get_oscillator_sin_multiplier_ni(&osc, polar_stereo ? 1 : 8); // 31.25 or 38 KHz
if(polar_stereo) audio += ((stereo+0.2)*stereo_carrier)*STEREO_VOLUME;
else {
float pilot = get_oscillator_sin_multiplier_ni(&osc, 4);
float pilot = get_oscillator_sin_multiplier_ni(&osc, 4); // 19 KHz
mpx += pilot*PILOT_VOLUME;
audio += (stereo*stereo_carrier)*STEREO_VOLUME;
}
}
if(rds_on && polar_stereo == 0) {
float rds_carrier = get_oscillator_cos_multiplier_ni(&osc, 12);
float rds_carrier = get_oscillator_cos_multiplier_ni(&osc, 12); // 57 KHz
mpx += (current_rds_in*rds_carrier)*RDS_VOLUME;
if(!sca_on) {
float rds2_carrier_66 = get_oscillator_cos_multiplier_ni(&osc, 14);
float rds2_carrier_66 = get_oscillator_cos_multiplier_ni(&osc, 14); // 66.5 KHz
mpx += (current_rds2_in*rds2_carrier_66)*RDS2_VOLUME;
}
}
@@ -502,6 +501,7 @@ int main(int argc, char **argv) {
iirfilt_rrrf_destroy(lpf_l);
iirfilt_rrrf_destroy(lpf_r);
iirfilt_rrrf_destroy(mpx_lpf);
free_PulseInputDevice(&input_device);
if(mpx_on) free_PulseInputDevice(&mpx_device);
if(rds_on) free_PulseInputDevice(&rds_device);