Piano: Decrease sample headroom

Multiplying all samples by 0.1 was kind of silly. This also requires
adjusting the wave visualizer so that the waves still fit.

2 files changed, 4 insertions, 4 deletions

diff --git a/Userland/Applications/Piano/Music.h b/Userland/Applications/Piano/Music.h
index c4b662db8b..5af0825baa 100644
--- a/Userland/Applications/Piano/Music.h
+++ b/Userland/Applications/Piano/Music.h
@@ -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,
diff --git a/Userland/Applications/Piano/WaveWidget.cpp b/Userland/Applications/Piano/WaveWidget.cpp
index e0c71163bc..25f1df548f 100644
--- a/Userland/Applications/Piano/WaveWidget.cpp
+++ b/Userland/Applications/Piano/WaveWidget.cpp
@@ -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;