From 6a3aaca8727d3f0292d62dbcd54e3bf87df74c0c Mon Sep 17 00:00:00 2001
From: metamuffin <metamuffin@disroot.org>
Date: Tue, 6 Dec 2022 15:52:08 +0100
Subject: split files

---
 evc/src/codec/decode.rs | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 evc/src/codec/decode.rs

(limited to 'evc/src/codec/decode.rs')

diff --git a/evc/src/codec/decode.rs b/evc/src/codec/decode.rs
new file mode 100644
index 0000000..9dc6a69
--- /dev/null
+++ b/evc/src/codec/decode.rs
@@ -0,0 +1,18 @@
+use crate::{
+    block::{Block, BlockInner},
+    frame::Frame,
+    view::View,
+};
+
+pub fn decode_block(block: &Block, mut target: View<&mut Frame>, prev: View<&Frame>) {
+    match &block.inner {
+        BlockInner::Literal(pixels) => target.set_pixels(pixels),
+        BlockInner::Split(box [a, b]) => {
+            let [at, bt] = target.split_mut_unsafe();
+            let [ap, bp] = prev.split();
+            decode_block(a, at, ap);
+            decode_block(b, bt, bp);
+        }
+        BlockInner::Reference { translation: _ } => target.copy_from(&prev),
+    }
+}
-- 
cgit v1.2.3-70-g09d2