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Code Issues Activity

configure the bs412 max

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This commit is contained in:
KubaPro010
2025-07-08 23:18:08 +02:00
parent d78e82122a
commit 58881858dd
3 changed files with 9 additions and 3 deletions
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5
filter/bs412.c
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@@ -11,7 +11,7 @@ inline float deviation_to_dbr(float deviation) {
return 10.0f * (log2f(deviation) - LOG2_19000) * 0.30103f;
}
void init_bs412(BS412Compressor* mpx, float mpx_deviation, float target_power, float attack, float release, int sample_rate) {
void init_bs412(BS412Compressor* mpx, float mpx_deviation, float target_power, float attack, float release, float max, int sample_rate) {
mpx->mpx_deviation = mpx_deviation;
mpx->average_counter = 0;
mpx->average = 0;
@@ -20,6 +20,7 @@ void init_bs412(BS412Compressor* mpx, float mpx_deviation, float target_power, f
mpx->release = expf(-1.0f / (release * sample_rate));
mpx->target = target_power;
mpx->gain = 1.0f;
mpx->max = max;
#ifdef BS412_DEBUG
debug_printf("Initialized MPX power measurement with sample rate: %d\n", sample_rate);
#endif
@@ -51,7 +52,7 @@ float bs412_compress(BS412Compressor* mpx, float sample) {
mpx->gain = mpx->gain * mpx->attack + (1.0f - mpx->attack) * gain_target;
else
mpx->gain = mpx->gain * mpx->release + (1.0f - mpx->release) * gain_target;
mpx->gain = fminf(1.0f, mpx->gain);
mpx->gain = fminf(mpx->max, mpx->gain);
return fminf(sample*mpx->gain, dbr_to_deviation(mpx->target*1.1f));
}

1
filter/bs412.h
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@@ -17,6 +17,7 @@ typedef struct
float target;
float attack;
float release;
float max;
float gain;
double average;
} BS412Compressor;