X-Git-Url: https://git.nihav.org/?a=blobdiff_plain;f=nihav-duck%2Fsrc%2Fcodecs%2Fvp78dsp.rs;h=e69a5abedd8700fcb6f72632f990888039c5f470;hb=6f2630992fe340ad1a122ec10c649f756e478185;hp=04545bd40754b64c6cdd26e3f6353c04294a02a8;hpb=0cc75664f579f511681ee7000741484a1d849061;p=nihav.git

diff --git a/nihav-duck/src/codecs/vp78dsp.rs b/nihav-duck/src/codecs/vp78dsp.rs
index 04545bd..e69a5ab 100644
--- a/nihav-duck/src/codecs/vp78dsp.rs
+++ b/nihav-duck/src/codecs/vp78dsp.rs
@@ -129,6 +129,13 @@ pub trait IntraPred {
             off += stride;
         }
     }
+    fn ipred_const(dst: &mut [u8], off: usize, stride: usize, dc: u8) {
+        for row in dst[off..].chunks_mut(stride).take(Self::SIZE) {
+            for el in row[..Self::SIZE].iter_mut() {
+                *el = dc;
+            }
+        }
+    }
 }
 
 pub struct IPred16x16 {}
@@ -223,7 +230,6 @@ macro_rules! load_pred4 {
 pub struct IPred4x4 {}
 impl IPred4x4 {
     pub fn ipred_dc(dst: &mut [u8], mut off: usize, stride: usize, ipred: &IPredContext) {
-        let dc;
         let mut dcsum = 0;
         for el in ipred.left.iter().take(4) {
             dcsum += u16::from(*el);
@@ -231,7 +237,7 @@ impl IPred4x4 {
         for el in ipred.top.iter().take(4) {
             dcsum += u16::from(*el);
         }
-        dc = ((dcsum + (1 << 2)) >> 3) as u8;
+        let dc = ((dcsum + (1 << 2)) >> 3) as u8;
         for _ in 0..4 {
             let out = &mut dst[off..][..4];
             for el in out.iter_mut() {