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Piano: Decrease sample headroom

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Multiplying all samples by 0.1 was kind of silly. This also requires
adjusting the wave visualizer so that the waves still fit.
This commit is contained in:
kleines Filmröllchen 2022-03-03 11:28:28 +01:00 committed by Andreas Kling
parent d2510d0caa
commit 1088c2c716
Notes: sideshowbarker 2024-07-17 17:25:24 +09:00 
Author: https://github.com/kleinesfilmroellchen
Commit: https://github.com/SerenityOS/serenity/commit/1088c2c716
Pull-request: https://github.com/SerenityOS/serenity/pull/12857
Reviewed-by: https://github.com/linusg
2 changed files with 4 additions and 4 deletions
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2
Userland/Applications/Piano/Music.h
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@ -31,7 +31,7 @@ constexpr int buffer_size = sample_count * sizeof(Sample);
constexpr double sample_rate = 44100;
// Headroom for the synth
constexpr double volume_factor = 0.1;
constexpr double volume_factor = 0.8;
enum Switch {
Off,

6
Userland/Applications/Piano/WaveWidget.cpp
View File

@ -18,10 +18,10 @@ WaveWidget::WaveWidget(TrackManager& track_manager)
int WaveWidget::sample_to_y(int sample) const
{
constexpr int nice_scale_factor = 4;
sample *= nice_scale_factor;
// Sample scaling that looks good, experimentally determined.
constexpr double nice_scale_factor = 1.0;
constexpr double sample_max = NumericLimits<i16>::max();
double percentage = sample / sample_max;
double percentage = sample / sample_max * nice_scale_factor;
double portion_of_half_height = percentage * ((frame_inner_rect().height() - 1) / 2.0);
double y = (frame_inner_rect().height() / 2.0) + portion_of_half_height;
return y;