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|
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
}
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