Fix sound once again :)

shell.nix

@@ -1,20 +1,6 @@
 let
   moz_overlay = import (builtins.fetchTarball https://github.com/mozilla/nixpkgs-mozilla/archive/master.tar.gz);
   nixpkgs = import <nixpkgs> { overlays = [ moz_overlay ]; };
-  rustNightlyChannelClippy = (nixpkgs.rustChannelOf { date = "2020-01-29"; channel = "nightly"; }).rust.override {
-      extensions = [
-        "rust-src"
-        "rls-preview"
-        "rustfmt-preview"
-      ];
-  };
-  rustNightlyChannel = nixpkgs.latest.rustChannels.nightly.rust.override {
-      extensions = [
-        "rust-src"
-        "rls-preview"
-        "rustfmt-preview"
-      ];
-  };
   rustStableChannel = nixpkgs.latest.rustChannels.stable.rust.override {
     extensions = [
       "rust-src"
@@ -28,12 +14,11 @@ in
   stdenv.mkDerivation {
     name = "moz_overlay_shell";
     buildInputs = [
-      rustNightlyChannelClippy
+      rustStableChannel
       rls
       rustup
       pkg-config
       SDL2
       pulseaudio
     ];
-    TELOXIDE_TOKEN = "916718418:AAFFtn9WmqipuKCvwiXZ2cEIA_IuNqlO94I";
   }

src/interconnect.rs

@@ -369,7 +369,10 @@ impl Interconnect {
             0xFF70 => {
                 if self.wram_bank != val {
                     if val > 7 {
-                        panic!("Trying to switch to wram bank {} which is non-existing", val);
+                        panic!(
+                            "Trying to switch to wram bank {} which is non-existing",
+                            val
+                        );
                     }
                     if val == 0 {
                         self.wram_bank = 1;

src/sound/mod.rs

@@ -379,7 +379,10 @@ impl SoundManager {
                             let mut counter = 0;
 
                             while !do_exit.load(Ordering::Relaxed) {
-                                for _ in 0..100 {
+                                const N_SAMPLES: usize = 1024;
+                                let mut sample_buffer = [[128u8; 2]; N_SAMPLES];
+
+                                for idx in 0..N_SAMPLES {
                                     if let Some((s1, s2)) = {
                                         let mut c_obj = obj.lock().unwrap();
 
@@ -397,14 +400,10 @@ impl SoundManager {
                                         // Get sample
                                         c_obj.sample()
                                     } {
-                                        let samps = [[s1, s2]];
+                                        sample_buffer[idx] = [s1, s2];
-                                        playback.write(&samps[..]);
-                                    } else {
-                                        let samps = [[128, 128]];
-                                        playback.write(&samps[..]);
                                     }
                                 }
-                                std::thread::sleep(std::time::Duration::from_millis(1));
+                                playback.write(&sample_buffer[..]);
                             }
                         })
                         .unwrap(),