simple v4l2 application now...

1 files changed, 12 insertions, 0 deletions

diff --git a/src/color.rs b/src/color.rs
new file mode 100644
index 0000000..3b27fa0
--- /dev/null
+++ b/src/color.rs
@@ -0,0 +1,12 @@
+// TODO: avoid using float
+pub fn yuv2rgb(y: u8, u: u8, v: u8) -> (u8, u8, u8){
+    fn rc(v: f64) -> u8{ v.round().clamp(0., 255.) as u8 }
+    let y = y as f64;
+    let u = u as f64 - 128.;
+    let v = v as f64 - 128.;
+    (
+        rc(y           + 1.402*v),
+        rc(y - 0.344*u - 0.714*v),
+        rc(y + 1.772*u          ),
+    )
+}