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-rw-r--r--tweak/.gitignore1
-rw-r--r--tweak/Cargo.lock156
-rw-r--r--tweak/Cargo.toml8
-rw-r--r--tweak/src/main.rs221
-rwxr-xr-xtweak/test4
5 files changed, 0 insertions, 390 deletions
diff --git a/tweak/.gitignore b/tweak/.gitignore
deleted file mode 100644
index c41cc9e..0000000
--- a/tweak/.gitignore
+++ /dev/null
@@ -1 +0,0 @@
-/target \ No newline at end of file
diff --git a/tweak/Cargo.lock b/tweak/Cargo.lock
deleted file mode 100644
index 6093019..0000000
--- a/tweak/Cargo.lock
+++ /dev/null
@@ -1,156 +0,0 @@
-# This file is automatically @generated by Cargo.
-# It is not intended for manual editing.
-version = 3
-
-[[package]]
-name = "autocfg"
-version = "1.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
-
-[[package]]
-name = "cfg-if"
-version = "1.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
-
-[[package]]
-name = "crossbeam-deque"
-version = "0.8.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ce6fd6f855243022dcecf8702fef0c297d4338e226845fe067f6341ad9fa0cef"
-dependencies = [
- "cfg-if",
- "crossbeam-epoch",
- "crossbeam-utils",
-]
-
-[[package]]
-name = "crossbeam-epoch"
-version = "0.9.15"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ae211234986c545741a7dc064309f67ee1e5ad243d0e48335adc0484d960bcc7"
-dependencies = [
- "autocfg",
- "cfg-if",
- "crossbeam-utils",
- "memoffset",
- "scopeguard",
-]
-
-[[package]]
-name = "crossbeam-utils"
-version = "0.8.16"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5a22b2d63d4d1dc0b7f1b6b2747dd0088008a9be28b6ddf0b1e7d335e3037294"
-dependencies = [
- "cfg-if",
-]
-
-[[package]]
-name = "either"
-version = "1.9.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a26ae43d7bcc3b814de94796a5e736d4029efb0ee900c12e2d54c993ad1a1e07"
-
-[[package]]
-name = "getrandom"
-version = "0.2.11"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fe9006bed769170c11f845cf00c7c1e9092aeb3f268e007c3e760ac68008070f"
-dependencies = [
- "cfg-if",
- "libc",
- "wasi",
-]
-
-[[package]]
-name = "libc"
-version = "0.2.150"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "89d92a4743f9a61002fae18374ed11e7973f530cb3a3255fb354818118b2203c"
-
-[[package]]
-name = "memoffset"
-version = "0.9.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5a634b1c61a95585bd15607c6ab0c4e5b226e695ff2800ba0cdccddf208c406c"
-dependencies = [
- "autocfg",
-]
-
-[[package]]
-name = "ppv-lite86"
-version = "0.2.17"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5b40af805b3121feab8a3c29f04d8ad262fa8e0561883e7653e024ae4479e6de"
-
-[[package]]
-name = "rand"
-version = "0.8.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
-dependencies = [
- "libc",
- "rand_chacha",
- "rand_core",
-]
-
-[[package]]
-name = "rand_chacha"
-version = "0.3.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88"
-dependencies = [
- "ppv-lite86",
- "rand_core",
-]
-
-[[package]]
-name = "rand_core"
-version = "0.6.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
-dependencies = [
- "getrandom",
-]
-
-[[package]]
-name = "rayon"
-version = "1.8.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9c27db03db7734835b3f53954b534c91069375ce6ccaa2e065441e07d9b6cdb1"
-dependencies = [
- "either",
- "rayon-core",
-]
-
-[[package]]
-name = "rayon-core"
-version = "1.12.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5ce3fb6ad83f861aac485e76e1985cd109d9a3713802152be56c3b1f0e0658ed"
-dependencies = [
- "crossbeam-deque",
- "crossbeam-utils",
-]
-
-[[package]]
-name = "scopeguard"
-version = "1.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "94143f37725109f92c262ed2cf5e59bce7498c01bcc1502d7b9afe439a4e9f49"
-
-[[package]]
-name = "tweak"
-version = "0.1.0"
-dependencies = [
- "rand",
- "rayon",
-]
-
-[[package]]
-name = "wasi"
-version = "0.11.0+wasi-snapshot-preview1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
diff --git a/tweak/Cargo.toml b/tweak/Cargo.toml
deleted file mode 100644
index 2c19efb..0000000
--- a/tweak/Cargo.toml
+++ /dev/null
@@ -1,8 +0,0 @@
-[package]
-name = "tweak"
-version = "0.1.0"
-edition = "2021"
-
-[dependencies]
-rayon = "1.8.0"
-rand = "0.8.5"
diff --git a/tweak/src/main.rs b/tweak/src/main.rs
deleted file mode 100644
index b2144a3..0000000
--- a/tweak/src/main.rs
+++ /dev/null
@@ -1,221 +0,0 @@
-use rayon::join;
-use std::{
- io::{stdin, stdout, Read, Write},
- time::Instant,
-};
-
-const WIDTH: usize = 1920;
-const HEIGHT: usize = 1080;
-
-fn main() {
- let mut oframe = Frame::new();
- let mut dframe = Frame::new();
- let mut out = Vec::<u8>::new();
- let do_debug = false;
- loop {
- let timer = Instant::now();
- let iframe = Frame::read(stdin());
-
- let t = encode(&oframe, &iframe, Area::root());
- decode(&mut oframe, Area::root(), &t);
-
- write(&mut out, &t);
-
- if do_debug {
- dframe.0.copy_from_slice(&oframe.0);
- debug(&mut dframe, Area::root(), &t);
- dframe.write(stdout());
- } else {
- oframe.write(stdout());
- }
-
- eprintln!(
- "compression={:.01} time={:?}",
- (WIDTH * HEIGHT * 3) as f64 / out.len() as f64,
- timer.elapsed()
- );
- out.clear();
- }
-}
-
-pub fn write(w: &mut Vec<u8>, t: &DiffTree) {
- match t {
- DiffTree::Split([a, b]) => {
- w.push(0);
- write(w, a);
- write(w, b);
- }
- DiffTree::Diff(d) => w.extend([1, d.0[0] as u8, d.0[1] as u8, d.0[2] as u8]),
- }
-}
-
-pub fn decode(f: &mut Frame, area: Area, tree: &DiffTree) {
- match tree {
- DiffTree::Split([ta, tb]) => {
- let (aa, ab) = area.split();
- decode(f, aa, ta);
- decode(f, ab, tb);
- }
- DiffTree::Diff(diff) => {
- f.apply_area_diff(area, *diff);
- }
- }
-}
-pub fn debug(f: &mut Frame, area: Area, tree: &DiffTree) {
- match tree {
- DiffTree::Split([ta, tb]) => {
- let (aa, ab) = area.split();
- decode(f, aa, ta);
- decode(f, ab, tb);
- }
- DiffTree::Diff(_diff) => {
- let Area { x1, y1, x2, y2 } = area;
- for x in x1..x2 {
- for y in y1..y2 {
- let o = (x + y * WIDTH) * 3;
- f.0[o + 0] = 255;
- f.0[o + 1] = 0;
- f.0[o + 2] = 255;
- }
- }
- }
- }
-}
-
-pub fn encode(a: &Frame, b: &Frame, area: Area) -> DiffTree {
- if area.area() == 1 {
- DiffTree::Diff(Frame::diff_pixel(a, b, area.x1, area.y1))
- } else {
- let (aa, ba) = area.split();
- let (at, bt) = join(|| encode(a, b, aa), || encode(a, b, ba));
-
- match (&at, &bt) {
- (DiffTree::Diff(ad), DiffTree::Diff(bd)) => {
- let d_r = ad.0[0].abs_diff(bd.0[0]);
- let d_g = ad.0[1].abs_diff(bd.0[1]);
- let d_b = ad.0[2].abs_diff(bd.0[2]);
-
- let visdiff = (d_r as usize + d_g as usize + d_b as usize) * aa.area();
- if visdiff < 100 {
- return DiffTree::Diff(PixelDiff([
- ((ad.0[0] as i16 + bd.0[0] as i16) / 2) as i8,
- ((ad.0[1] as i16 + bd.0[1] as i16) / 2) as i8,
- ((ad.0[2] as i16 + bd.0[2] as i16) / 2) as i8,
- ]));
- }
- }
- _ => (),
- }
- DiffTree::Split([Box::new(at), Box::new(bt)])
- }
-}
-
-pub enum DiffTree {
- Split([Box<DiffTree>; 2]),
- Diff(PixelDiff),
-}
-
-#[derive(Debug)]
-pub struct Frame(Vec<u8>);
-#[derive(Debug, Clone, Copy)]
-pub struct PixelDiff([i8; 3]);
-#[derive(Debug, Clone, Copy)]
-pub struct Area {
- x1: usize,
- y1: usize,
- x2: usize,
- y2: usize,
-}
-
-#[inline]
-fn diff_clamp(x: u8, y: u8) -> i8 {
- if y >= x {
- (y - x).min(127) as i8
- } else {
- -((x - y).min(128) as i8)
- }
-}
-
-impl Frame {
- pub fn new() -> Self {
- Self(vec![0u8; WIDTH * HEIGHT * 3])
- }
- pub fn read(mut r: impl Read) -> Self {
- let mut f = Frame::new();
- r.read_exact(&mut f.0).unwrap();
- f
- }
- pub fn write(&self, mut w: impl Write) {
- w.write_all(&self.0).unwrap()
- }
-
- pub fn diff_pixel(a: &Frame, b: &Frame, x: usize, y: usize) -> PixelDiff {
- let o = (x + y * WIDTH) * 3;
- PixelDiff([
- diff_clamp(a.0[o + 0], b.0[o + 0]),
- diff_clamp(a.0[o + 1], b.0[o + 1]),
- diff_clamp(a.0[o + 2], b.0[o + 2]),
- ])
- }
-
- pub fn apply_area_diff(&mut self, Area { x1, y1, x2, y2 }: Area, p: PixelDiff) {
- for x in x1..x2 {
- for y in y1..y2 {
- let o = (x + y * WIDTH) * 3;
- self.0[o + 0] = self.0[o + 0].saturating_add_signed(p.0[0]);
- self.0[o + 1] = self.0[o + 1].saturating_add_signed(p.0[1]);
- self.0[o + 2] = self.0[o + 2].saturating_add_signed(p.0[2]);
- }
- }
- }
- // pub fn average_area_diff(
- // &self,
- // other: &Frame,
- // area @ Area { x1, y1, x2, y2 }: Area,
- // ) -> PixelDiff {
- // let (mut r, mut g, mut b) = (0i32, 0i32, 0i32);
- // for x in x1..x2 {
- // for y in y1..y2 {
- // let o = (x + y * WIDTH) * 3;
- // r += other.0[o + 0] as i32 - self.0[o + 0] as i32;
- // g += other.0[o + 1] as i32 - self.0[o + 1] as i32;
- // b += other.0[o + 2] as i32 - self.0[o + 2] as i32;
- // }
- // }
- // let a = area.area() as i32;
- // PixelDiff([
- // (r / a).clamp(i8::MIN as i32, i8::MAX as i32) as i8,
- // (g / a).clamp(i8::MIN as i32, i8::MAX as i32) as i8,
- // (b / a).clamp(i8::MIN as i32, i8::MAX as i32) as i8,
- // ])
- // }
-}
-impl Area {
- pub fn area(&self) -> usize {
- self.width() as usize * self.height() as usize
- }
- pub fn width(&self) -> usize {
- self.x2 - self.x1
- }
- pub fn height(&self) -> usize {
- self.y2 - self.y1
- }
- pub fn root() -> Self {
- Area {
- x1: 0,
- y1: 0,
- x2: WIDTH,
- y2: HEIGHT,
- }
- }
- pub fn split(&self) -> (Self, Self) {
- let Area { x1, y1, x2, y2 } = *self;
- if self.width() > self.height() {
- let xm = (self.x1 + self.x2) / 2;
- (Self { x1, x2: xm, y1, y2 }, Self { x1: xm, x2, y1, y2 })
- } else {
- let ym = (self.y1 + self.y2) / 2;
- (Self { x1, x2, y1, y2: ym }, Self { x1, x2, y1: ym, y2 })
- }
- }
-}
diff --git a/tweak/test b/tweak/test
deleted file mode 100755
index 4bfc7d8..0000000
--- a/tweak/test
+++ /dev/null
@@ -1,4 +0,0 @@
-#!/bin/fish
-ffmpeg -loglevel quiet -i $argv[1] -vf 'scale=1920x1080,format=rgb24' -f rawvideo pipe:1 \
- | cargo run --release \
- | ffplay -loglevel quiet -video_size 1920x1080 -pixel_format rgb24 -f rawvideo pipe:0
generated by cgit v1.2.3-70-g09d2 (git 2.51.0) at 2025-10-08 11:59:54 +0000