radio95/fm95
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Code Issues Activity

remove hq

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This commit is contained in:
KubaPro010
2026-02-15 16:24:18 +01:00
parent 5ab604ddba
commit 689b7fc275
2 changed files with 7 additions and 47 deletions
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2
filter/bs412.c
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@@ -10,7 +10,7 @@
inline float deviation_to_dbr(float deviation) {
if (deviation < 1e-6f) return -100.0f;
return 10*log10f((deviation*deviation)/(SQRT19000 * SQRT19000));
return 10*log10f((deviation*deviation)/SQRT19000);
}
void init_bs412(BS412Compressor* mpx, uint32_t mpx_deviation, float target_power, float attack, float release, uint32_t sample_rate) {

52
src/fm95.c
View File

@@ -27,22 +27,18 @@ static volatile sig_atomic_t to_reload = 0;
inline float hard_clip(float sample, float threshold) { return fmaxf(-threshold, fminf(threshold, sample)); }
typedef struct
{
typedef struct {
bool rds_on;
bool mpx_on;
bool hq_on;
} FM95_Options;
typedef struct
{
typedef struct {
float audio;
float headroom;
float pilot;
float rds;
float rds_step;
} FM95_Volumes;
typedef struct
{
typedef struct {
FM95_Options options;
FM95_Volumes volumes;
@@ -77,10 +73,9 @@ typedef struct
float lpf_cutoff;
} FM95_Config;
typedef struct
{
typedef struct {
PulseInputDevice input_device, mpx_device, rds_device;
PulseOutputDevice output_device, hq_output;
PulseOutputDevice output_device;
float* rds_in;
Oscillator osc;
iirfilt_rrrf lpf_l, lpf_r;
@@ -94,7 +89,6 @@ typedef struct
typedef struct {
char input[64];
char output[64];
char hq[64];
char mpx[64];
char rds[64];
} FM95_DeviceNames;
@@ -147,7 +141,6 @@ void cleanup_runtime(FM95_Runtime* runtime, const FM95_Config config) {
void cleanup_audio_runtime(FM95_Runtime *rt, const FM95_Options options) {
free_PulseDevice(&rt->input_device);
if (options.hq_on) free_PulseDevice(&rt->hq_output);
if (options.mpx_on) free_PulseDevice(&rt->mpx_device);
if (options.rds_on) {
free_PulseDevice(&rt->rds_device);
@@ -158,7 +151,6 @@ void cleanup_audio_runtime(FM95_Runtime *rt, const FM95_Options options) {
int run_fm95(const FM95_Config config, FM95_Runtime* runtime) {
float output[BUFFER_SIZE];
float output_hq[BUFFER_SIZE*2];
int pulse_error;
@@ -253,9 +245,6 @@ int run_fm95(const FM95_Config config, FM95_Runtime* runtime) {
output[i] = hard_clip(mpx, 1.0)*config.master_volume; // Ensure peak deviation of 75 khz (or the set deviation), assuming we're calibrated correctly
advance_oscillator(&runtime->osc);
output_hq[2*i+0] = hard_clip(l, 1.0f);
output_hq[2*i+1] = hard_clip(r, 1.0f);
}
if((pulse_error = write_PulseOutputDevice(&runtime->output_device, output, sizeof(output)))) {
@@ -263,13 +252,6 @@ int run_fm95(const FM95_Config config, FM95_Runtime* runtime) {
to_run = 0;
break;
}
if(config.options.hq_on) {
if((pulse_error = write_PulseOutputDevice(&runtime->hq_output, output_hq, sizeof(output_hq)))) {
fprintf(stderr, "Error writing to HQ output device: %s\n", pa_strerror(pulse_error));
to_run = 0;
break;
}
}
}
return 0;
@@ -315,9 +297,6 @@ static int config_handler(void* user, const char* section, const char* name, con
} else if (MATCH("devices", "output")) {
strncpy(dv->output, value, 63);
dv->output[63] = '\0';
} else if (MATCH("devices", "hq")) {
strncpy(dv->hq, value, 63);
dv->hq[63] = '\0';
} else if (MATCH("devices", "mpx")) {
strncpy(dv->mpx, value, 63);
dv->mpx[63] = '\0';
@@ -455,23 +434,6 @@ int setup_audio(FM95_Runtime* runtime, const FM95_DeviceNames dv_names, const FM
}
return 1;
}
if(config.options.hq_on) {
printf("Connecting to HQ device... (%s)\n", dv_names.hq);
opentime_pulse_error = init_PulseOutputDevice(&runtime->hq_output, config.sample_rate, 2, "fm95", "Audio output", dv_names.hq, &output_buffer_atr, PA_SAMPLE_FLOAT32NE);
if (opentime_pulse_error) {
fprintf(stderr, "Error: cannot open HQ device: %s\n", pa_strerror(opentime_pulse_error));
free_PulseDevice(&runtime->input_device);
free_PulseDevice(&runtime->output_device);
if(config.options.mpx_on) free_PulseDevice(&runtime->mpx_device);
if(config.options.rds_on) {
free_PulseDevice(&runtime->rds_device);
free(runtime->rds_in);
}
return 1;
}
}
return 0;
}
@@ -572,8 +534,7 @@ int main(int argc, char **argv) {
.input = "\0",
.output = "\0",
.mpx = "\0",
.rds = "\0",
.hq = "\0"
.rds = "\0"
};
FM95_DeviceNames old_dv_names = dv_names;
@@ -605,7 +566,6 @@ int main(int argc, char **argv) {
config.options.mpx_on = (strlen(dv_names.mpx) != 0);
config.options.rds_on = (strlen(dv_names.rds) != 0 && config.rds_streams != 0);
config.options.hq_on = (strlen(dv_names.hq) != 0);
err = setup_audio(&runtime, dv_names, config);
if(err != 0) return err;