binkaud: fix monaural RDFT decoding (and add a test while at it)

[nihav.git] / src / dsp / window.rs

diff --git a/src/dsp/window.rs b/src/dsp/window.rs
deleted file mode 100644 (file)
index d59a005..0000000
--- a/src/dsp/window.rs
+++ /dev/null
@@ -1,30 +0,0 @@
-use std::f32::consts;
-
-#[derive(Debug,Clone,Copy,PartialEq)]
-pub enum WindowType {
-    Square,
-    Sine,
-    KaiserBessel,
-}
-
-pub fn generate_window(mode: WindowType, scale: f32, size: usize, half: bool, dst: &mut [f32]) {
-    match mode {
-        WindowType::Square => {
-                for n in 0..size { dst[n] = scale; }
-            },
-        WindowType::Sine => {
-                let param;
-                if half {
-                    param = consts::PI / ((2 * size) as f32);
-                } else {
-                    param = consts::PI / (size as f32);
-                }
-                for n in 0..size {
-                    dst[n] = (((n as f32) + 0.5) * param).sin() * scale;
-                }
-            },
-        WindowType::KaiserBessel => {
-unimplemented!();
-            },
-    };
-}