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Author SHA1 Message Date
9769346951 rename cmake project to tlib 2026-01-26 15:39:09 +01:00
2a8adc954a default values truthful to og pump 2025-11-20 12:01:40 +01:00
8c996e4f54 add parameter get function 2025-11-18 17:15:43 +01:00
c5f4645980 fix typos 2025-11-18 17:15:08 +01:00
3 changed files with 39 additions and 12 deletions

View File

@@ -1,9 +1,9 @@
project(trnr-lib)
project(tlib)
add_library(trnr-lib INTERFACE)
add_library(tlib INTERFACE)
# Add include directories
target_include_directories(trnr-lib INTERFACE
target_include_directories(tlib INTERFACE
${CMAKE_CURRENT_SOURCE_DIR}/clip
${CMAKE_CURRENT_SOURCE_DIR}/companding
${CMAKE_CURRENT_SOURCE_DIR}/dynamics

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@@ -30,13 +30,14 @@ namespace trnr {
struct pump {
double samplerate;
float threshold_db = 0.f;
float attack_ms = 10.f;
float release_ms = 100.f;
float attack_ms = 0.1f;
float release_ms = 200.f;
float hp_filter = 80.f;
float ratio = 1000.f;
float filter_frq = 40000.f;
float filter_exp = 0.f;
float filter_frq = 20000.f;
float filter_exp = 1.f;
float treble_boost = 0.f;
float makeup = 0.f;
float filtered = 0.f;
float filtered_l = 0.f;
@@ -93,6 +94,30 @@ inline void pump_set_param(pump& p, pump_param param, float value)
}
}
inline float pump_get_param(const pump& p, pump_param param)
{
switch (param) {
case PUMP_THRESHOLD:
return p.threshold_db;
case PUMP_ATTACK:
return p.attack_ms;
case PUMP_RELEASE:
return p.release_ms;
case PUMP_HP_FILTER:
return p.hp_filter;
case PUMP_RATIO:
return p.ratio;
case PUMP_FILTER_FRQ:
return p.filter_frq;
case PUMP_FILTER_EXP:
return p.filter_exp;
case PUMP_TREBLE_BOOST:
return p.treble_boost;
default:
return -1.f;
}
}
inline void pump_init(pump& p, double samplerate)
{
p.samplerate = samplerate;
@@ -136,7 +161,8 @@ inline void pump_process_block(pump& p, sample** audio, sample** sidechain, int
if (overshoot_db > p.envelope_db) {
p.envelope_db = overshoot_db + p.attack_coef * (p.envelope_db - overshoot_db);
} else {
p.envelope_db = overshoot_db + p.release_coef * (p.envelope_db - overshoot_db);
p.envelope_db =
overshoot_db + p.release_coef * (p.envelope_db - overshoot_db);
}
float slope = 1.f / p.ratio;
@@ -150,7 +176,8 @@ inline void pump_process_block(pump& p, sample** audio, sample** sidechain, int
sample output_r = input_r * gain_reduction_lin;
if (p.filter_exp > 0.f) {
// one pole lowpass filter with envelope applied to frequency for pumping effect
// one pole lowpass filter with envelope applied to frequency for pumping
// effect
float freq = p.filter_frq * pow(gain_reduction_lin, p.filter_exp);
float lp_x = exp(-2.0 * M_PI * freq / p.samplerate);
float lp_a0 = 1.0 - lp_x;
@@ -166,7 +193,7 @@ inline void pump_process_block(pump& p, sample** audio, sample** sidechain, int
output_r = p.filtered_r + (p.filtered_r - p.boosted_r) * p.treble_boost;
// calculate makeup gain
float makeup_lin = trnr::db_2_lin(-p.threshold_db / 5.f);
float makeup_lin = trnr::db_2_lin(p.makeup);
audio[0][i] = input_l * gain_reduction_lin * makeup_lin;
audio[1][i] = input_r * gain_reduction_lin * makeup_lin;

View File

@@ -36,14 +36,14 @@ struct demo_noise {
float noise_gain = 0.1f;
};
inline void demo_nose_init(demo_noise& d, double samplerate)
inline void demo_noise_init(demo_noise& d, double samplerate)
{
d.samplerate = samplerate;
d.counter = 0;
}
// overwrites the input buffer with noise in the specified time frame
inline void process_block(demo_noise& d, float** samples, int blocksize)
inline void demo_noise_process_block(demo_noise& d, float** samples, int blocksize)
{
int noise_len_samples = d.noise_len_sec * d.samplerate;
int pause_len_samples = d.pause_len_sec * d.samplerate;