works very well

1 files changed, 7 insertions, 2 deletions

diff --git a/lvc/src/decode.rs b/lvc/src/decode.rs
index da69080..771cba9 100644
--- a/lvc/src/decode.rs
+++ b/lvc/src/decode.rs
@@ -1,12 +1,17 @@
 use crate::{split::split, Block, Frame, View, P2};
+use rayon::join;
 
 pub fn decode(last_frame: &Frame, frame: &mut Frame, view: View, block: &Block) {
     match block {
         Block::Lit(pxs) => frame.import(view, &pxs),
         Block::Split(a, b) => {
             let [av, bv] = split(view);
-            decode(last_frame, frame, av, &a);
-            decode(last_frame, frame, bv, &b);
+            let (frame1, frame2) =
+                unsafe { (&mut *(frame as *mut Frame), &mut *(frame as *mut Frame)) };
+            join(
+                || decode(last_frame, frame1, av, &a),
+                || decode(last_frame, frame2, bv, &b),
+            );
         }
         Block::Ref(r) => {
             for y in view.a.y..view.b.y {