From: Kostya Shishkov <kostya.shishkov@gmail.com>
Date: Mon, 31 Mar 2025 16:08:37 +0000 (+0200)
Subject: h264: use uninitalised buffer for MC
X-Git-Url: https://git.nihav.org/?a=commitdiff_plain;h=8408bfdd319de2984ea18e05b1d644e86406f4e2;p=nihav.git

h264: use uninitalised buffer for MC
---

diff --git a/nihav-itu/src/codecs/h264/dsp/mc/mod.rs b/nihav-itu/src/codecs/h264/dsp/mc/mod.rs
index 615563e..776575f 100644
--- a/nihav-itu/src/codecs/h264/dsp/mc/mod.rs
+++ b/nihav-itu/src/codecs/h264/dsp/mc/mod.rs
@@ -82,7 +82,8 @@ impl H264MC {
         self.height = height;
     }
     pub fn do_mc(&mut self, frm: &mut NASimpleVideoFrame<u8>, refpic: &SimpleFrame, xpos: usize, ypos: usize, w: usize, h: usize, mv: MV) {
-        let mut ebuf = [0u8; 22 * 22];
+        let ubuf = std::mem::MaybeUninit::<[u8; 22 * 22]>::uninit();
+        let mut ebuf = unsafe { ubuf.assume_init() };
         let mvx = mv.x >> 2;
         let mvy = mv.y >> 2;
         let mode = ((mv.x & 3) + (mv.y & 3) * 4) as usize;