1 files changed, 71 insertions, 0 deletions
diff --git a/old/dhwt-codec/src/io.rs b/old/dhwt-codec/src/io.rs
new file mode 100644
index 0000000..c60bc79
--- /dev/null
+++ b/old/dhwt-codec/src/io.rs
@@ -0,0 +1,71 @@
+use bincode::config;
+use std::{
+    fs::File,
+    io::{BufReader, BufWriter, Read, Write},
+};
+
+pub type Value = f32;
+pub type VideoBuf = Vec<Vec<Vec<Value>>>;
+pub const ZERO: Value = 0 as Value;
+pub const TWO: Value = 2 as Value;
+
+pub fn empty_videobuf(x: usize, y: usize, z: usize) -> VideoBuf {
+    (0..x)
+        .map(|_| (0..y).map(|_| (0..z).map(|_| ZERO).collect()).collect())
+        .collect()
+}
+
+pub fn outfile(p: &str) -> impl Write {
+    BufWriter::new(File::create(p).unwrap())
+}
+pub fn infile(p: &str) -> impl Read {
+    BufReader::new(File::open(p).unwrap())
+}
+
+pub fn read_videobuf(f: &mut impl Read) -> VideoBuf {
+    bincode::decode_from_std_read(f, config::standard()).unwrap()
+}
+pub fn write_videobuf(f: &mut impl Write, i: VideoBuf) {
+    bincode::encode_into_std_write(i, f, config::standard()).unwrap();
+}
+
+pub fn write_videobuf_small(f: &mut impl Write, mut i: VideoBuf) {
+    for _ in 0..(i.len() / 2) {
+        i.pop();
+    }
+    for i in &mut i {
+        for _ in 0..(i.len() / 2) {
+            i.pop();
+        }
+        for i in i {
+            for _ in 0..(i.len() / 2) {
+                i.pop();
+            }
+        }
+    }
+    write_videobuf(f, i);
+}
+pub fn read_videobuf_small(f: &mut impl Read) -> VideoBuf {
+    let mut i = read_videobuf(f);
+
+    for i in &mut i {
+        for i in i {
+            for _ in 0..i.len() {
+                i.push(ZERO);
+            }
+        }
+    }
+    for i in &mut i {
+        for _ in 0..i.len() {
+            i.push((0..i[0].len()).map(|_| ZERO).collect());
+        }
+    }
+    for _ in 0..i.len() {
+        i.push(
+            (0..i[0].len())
+                .map(|_| ((0..i[0][0].len()).map(|_| ZERO)).collect())
+                .collect(),
+        );
+    }
+    i
+}