Store velocity as a float

Instead of converting this to a 0-127 value. We may be throwing away
precision otherwise.

src/plugin.rs

@@ -311,17 +311,27 @@ pub enum ProcessStatus {
 /// TODO: Add more events as needed
 #[derive(Debug, Copy, Clone, PartialEq, Eq)]
 pub enum NoteEvent {
+    /// A note on event.
     NoteOn {
         timing: u32,
+        /// The note's channel, from 0 to 16.
         channel: u8,
+        /// The note's MIDI key number, from 0 to 127.
         note: u8,
-        velocity: u8,
+        /// The note's velocity, from 0 to 1. Some plugin APIs may allow higher precision than the
+        /// 127 levels available in MIDI.
+        velocity: f32,
     },
+    /// A note off event.
     NoteOff {
         timing: u32,
+        /// The note's channel, from 0 to 16.
         channel: u8,
+        /// The note's MIDI key number, from 0 to 127.
         note: u8,
-        velocity: u8,
+        /// The note's velocity, from 0 to 1. Some plugin APIs may allow higher precision than the
+        /// 127 levels available in MIDI.
+        velocity: f32,
     },
 }
 

src/wrapper/clap/wrapper.rs

@@ -875,7 +875,7 @@ impl<P: ClapPlugin> Wrapper<P> {
                         timing: raw_event.time - current_sample_idx as u32,
                         channel: event.channel as u8,
                         note: event.key as u8,
-                        velocity: (event.velocity * 127.0).round() as u8,
+                        velocity: event.velocity as f32,
                     });
                 }
 
@@ -888,7 +888,7 @@ impl<P: ClapPlugin> Wrapper<P> {
                         timing: raw_event.time - current_sample_idx as u32,
                         channel: event.channel as u8,
                         note: event.key as u8,
-                        velocity: (event.velocity * 127.0).round() as u8,
+                        velocity: event.velocity as f32,
                     });
                 }
 

src/wrapper/vst3/wrapper.rs

@@ -770,7 +770,7 @@ impl<P: Vst3Plugin> IAudioProcessor for Wrapper<P> {
                                     timing,
                                     channel: event.channel as u8,
                                     note: event.pitch as u8,
-                                    velocity: (event.velocity * 127.0).round() as u8,
+                                    velocity: event.velocity,
                                 });
                             } else if event.type_ == vst3_sys::vst::EventTypes::kNoteOffEvent as u16
                             {
@@ -779,7 +779,7 @@ impl<P: Vst3Plugin> IAudioProcessor for Wrapper<P> {
                                     timing,
                                     channel: event.channel as u8,
                                     note: event.pitch as u8,
-                                    velocity: (event.velocity * 127.0).round() as u8,
+                                    velocity: event.velocity,
                                 });
                             }
                         }