radio95/fm95
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Code Issues Activity

expose bs412 agc settings

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This commit is contained in:
KubaPro010
2025-06-28 19:26:40 +02:00
parent 06b37119d4
commit 8e1048b994
1 changed files with 10 additions and 2 deletions
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12
src/fm95.c
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@@ -73,6 +73,8 @@ typedef struct
float agc_release; float agc_release;
float agc_max; float agc_max;
float agc_min; float agc_min;
float bs412_attack;
float bs412_release;
} FM95_Config; } FM95_Config;
typedef struct typedef struct
@@ -159,8 +161,8 @@ int run_fm95(const FM95_Config config, FM95_Runtime* runtime) {
init_stereo_encoder(&stencode, 4.0f, &osc, (config.stereo == 2), MONO_VOLUME, PILOT_VOLUME, STEREO_VOLUME); init_stereo_encoder(&stencode, 4.0f, &osc, (config.stereo == 2), MONO_VOLUME, PILOT_VOLUME, STEREO_VOLUME);
float bs412_audio_gain = 1.0f; float bs412_audio_gain = 1.0f;
float bs412_attack_alpha = expf(-1.0f / (0.03f * config.sample_rate)); float bs412_attack_alpha = expf(-1.0f / (config.bs412_attack * config.sample_rate));
float bs412_release_alpha = expf(-1.0f / (0.1f * config.sample_rate)); float bs412_release_alpha = expf(-1.0f / (config.bs412_release * config.sample_rate));
AGC agc; AGC agc;
initAGC(&agc, config.sample_rate, config.agc_target, config.agc_min, config.agc_max, config.agc_attack, config.agc_release); initAGC(&agc, config.sample_rate, config.agc_target, config.agc_min, config.agc_max, config.agc_attack, config.agc_release);
@@ -336,6 +338,10 @@ static int config_handler(void* user, const char* section, const char* name, con
pconfig->agc_min = strtof(value, NULL); pconfig->agc_min = strtof(value, NULL);
} else if(MATCH("advanced", "agc_max")) { } else if(MATCH("advanced", "agc_max")) {
pconfig->agc_max = strtof(value, NULL); pconfig->agc_max = strtof(value, NULL);
} else if(MATCH("advanced", "bs412_attack")) {
pconfig->bs412_attack = strtof(value, NULL);
} else if(MATCH("advanced", "bs412_release")) {
pconfig->bs412_release = strtof(value, NULL);
} else { } else {
return 0; // Unknown section/name return 0; // Unknown section/name
} }
@@ -433,6 +439,8 @@ int main(int argc, char **argv) {
.agc_release = 0.225f, .agc_release = 0.225f,
.agc_min = 0.1f, .agc_min = 0.1f,
.agc_max = 1.75f, .agc_max = 1.75f,
.bs412_attack = 0.03f,
.bs412_release = 0.02,
}; };
FM95_DeviceNames dv_names = { FM95_DeviceNames dv_names = {