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Code Issues Activity

get rid of compressor

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This commit is contained in:
KubaPro010
2025-03-02 10:30:07 +01:00
parent 30ddac535d
commit bae5ae5c1b
3 changed files with 5 additions and 48 deletions
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31
lib/filters.c
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@@ -119,33 +119,4 @@ float voltage_to_voltage_db(float linear) {
float voltage_to_power_db(float linear) {
return 10.0f * log10f(fmaxf(linear, 1e-10f)); // Avoid log(0)
}
void init_compressor(Compressor *compressor, float attack, float release) {
compressor->attack = attack;
compressor->release = release;
compressor->max = 0.0f;
}
float peak_compress(Compressor *compressor, float sample) {
float sample_abs = fabsf(sample);
if(sample_abs > compressor->max) {
compressor->max += (sample_abs - compressor->max) * compressor->attack;
} else {
compressor->max *= compressor->release;
}
return sample/(compressor->max+0.01);
}
float peak_compress_stereo(Compressor *compressor, float l, float r, float *output_r) {
float l_abs = fabsf(l);
float r_abs = fabsf(r);
float max = (l_abs > r_abs) ? l_abs : r_abs;
if(max > compressor->max) {
compressor->max += (max - compressor->max) / compressor->attack;
} else {
compressor->max *= compressor->release;
}
*output_r = r/(compressor->max+0.01);
return l/(compressor->max+0.01);
}
}

11
lib/filters.h
View File

@@ -29,13 +29,4 @@ float hard_clip(float sample, float threshold);
float voltage_db_to_voltage(float db);
float power_db_to_voltage(float db);
float voltage_to_voltage_db(float linear);
float voltage_to_power_db(float linear);
typedef struct {
float attack;
float release;
float max;
} Compressor;
void init_compressor(Compressor *compressor, float attack, float release);
float peak_compress(Compressor *compressor, float sample);
float peak_compress_stereo(Compressor *compressor, float l, float r, float *output_r);
float voltage_to_power_db(float linear);