radio95/fm95
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Code Issues Activity

it was not butterworth, but... redo the audio calc only if it needs change

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kuba
2026-07-11 22:50:00 +02:00
parent 95bc1063a8
commit a674e8057f
1 changed files with 5 additions and 3 deletions
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src/fm95.c
+5 -3
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@@ -442,7 +442,7 @@ void init_runtime(FM95_Runtime* runtime, const FM95_Config config) {
runtime->rds_symbol[i] = -1.0f; runtime->rds_symbol[i] = -1.0f;
runtime->rds_last_bit[i] = 0; runtime->rds_last_bit[i] = 0;
runtime->rds_filter[i] = iirfilt_rrrf_create_prototype(LIQUID_IIRDES_CHEBY2, LIQUID_IIRDES_LOWPASS, LIQUID_IIRDES_SOS, 5, (2400.0f/config.sample_rate), 0.0f, 1.0f, 30.0f); runtime->rds_filter[i] = iirfilt_rrrf_create_prototype(LIQUID_IIRDES_BUTTER, LIQUID_IIRDES_LOWPASS, LIQUID_IIRDES_SOS, 5, (2400.0f/config.sample_rate), 0.0f, 1.0f, 30.0f);
if(config.stereo_ssb) init_delay_line(&runtime->rds_delays[i], config.stereo_ssb*2); if(config.stereo_ssb) init_delay_line(&runtime->rds_delays[i], config.stereo_ssb*2);
} }
@@ -585,8 +585,10 @@ static void *handle_client(ipc_client_arg_t *arg) {
case 113: case 113:
// Set RDS streams // Set RDS streams
memcpy(&bval, buf + 1, 1); memcpy(&bval, buf + 1, 1);
data->config->rds_streams = bval; if(data->config->rds_streams != bval) {
data->config->volumes.audio = calculate_sharedaudio_volume(data->config->volumes, bval); data->config->rds_streams = bval;
data->config->volumes.audio = calculate_sharedaudio_volume(data->config->volumes, bval);
}
reply = 0; reply = 0;
break; break;
case 0xfe: case 0xfe: