diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/powerlist.cc | 17 | ||||
| -rw-r--r-- | src/settings.h | 2 | ||||
| -rw-r--r-- | src/staminafilter.cc | 11 |
3 files changed, 20 insertions, 10 deletions
diff --git a/src/powerlist.cc b/src/powerlist.cc index 37a13a3..5ce9404 100644 --- a/src/powerlist.cc +++ b/src/powerlist.cc @@ -47,7 +47,7 @@ * Limited by sample set size, ie. only kicks in if sample set size is smaller * than this number. */ -unsigned int const MIN_SAMPLE_SET_SIZE = 26u; +std::size_t const MIN_SAMPLE_SET_SIZE = 26u; // Enable to calculate power on old samples without power attribute //#define AUTO_CALCULATE_POWER @@ -221,18 +221,18 @@ Sample* PowerList::get(level_t level) float power_span = power_max - power_min; - // Width is limited to at least 10. Fioxes problem with instrument with a + // Width is limited to at least 10. Fixes problem with instrument with a // sample set smaller than MIN_SAMPLE_SET_SIZE. - float width = fmax(samples.size(), MIN_SAMPLE_SET_SIZE); + float width = std::max(samples.size(), MIN_SAMPLE_SET_SIZE); // Spread out at most ~2 samples away from center if all samples have a // uniform distribution over the power spectrum (which they probably don't). - float stddev = power_span / width; + float mean_stepwidth = power_span / width; // Cut off mean value with stddev/2 in both ends in order to make room for // downwards expansion on velocity 0 and upwards expansion on velocity 1. - float mean = level * (power_span - stddev) + (stddev / 2.0); - stddev *= velocity_stddev; + float mean = level * (power_span - mean_stepwidth) + (mean_stepwidth / 2.0); + float stddev = velocity_stddev * mean_stepwidth; float power{0.f}; @@ -249,8 +249,9 @@ Sample* PowerList::get(level_t level) // (power_min+stddev/2) and (power_max-stddev/2) lvl += power_min; - DEBUG(rand, "level: %f, lvl: %f (mean: %.2f, stddev: %.2f)\n", level, lvl, - mean, stddev); + DEBUG(rand, + "level: %f, lvl: %f (mean: %.2f, stddev: %.2f, mean_stepwidth: %f, power_min: %f, power_max: %f)\n", + level, lvl, mean, stddev, mean_stepwidth, power_min, power_max); for (auto& item: samples) { diff --git a/src/settings.h b/src/settings.h index 9d225b0..0d76cfc 100644 --- a/src/settings.h +++ b/src/settings.h @@ -79,7 +79,7 @@ struct Settings Atomic<float> velocity_modifier_weight{velocity_modifier_weight_default}; Atomic<float> velocity_stddev{velocity_stddev_default}; // [0.5; 3.0] - // Current velocity offset - for UI + // Current velocity offset - for UI Atomic<float> velocity_modifier_current{1.0f}; Atomic<bool> enable_velocity_randomiser{false}; diff --git a/src/staminafilter.cc b/src/staminafilter.cc index aadfd2d..8fdbfbb 100644 --- a/src/staminafilter.cc +++ b/src/staminafilter.cc @@ -76,7 +76,16 @@ bool StaminaFilter::filter(event_t& event, size_t pos) mod *= velocity_modifier_weight; } - settings.velocity_modifier_current.store(mod); + { + auto velocity_modifier_current = settings.velocity_modifier_current.load(); + float p = 0.9f; + float new_value = mod * p + velocity_modifier_current * (1.0f - p); + if(mod > new_value) + { + new_value = mod; + } + settings.velocity_modifier_current.store(new_value); + } return true; } |