old dir

23 files changed, 0 insertions, 1944 deletions

diff --git a/evc/src/bin/decode.rs b/evc/src/bin/decode.rs
deleted file mode 100644
index fbf5624..0000000
--- a/evc/src/bin/decode.rs
+++ /dev/null
@@ -1,63 +0,0 @@
-#![feature(box_patterns)]
-use anyhow::Context;
-use clap::Parser;
-use indicatif::ProgressBar;
-use libreschmux::{
-    block::Block,
-    codec::decode::{decode_block, DecodeConfig},
-    debug::draw_debug,
-    format::{header::Header, ser::Source},
-    frame::Frame,
-};
-use log::{info, warn};
-use std::io::{BufReader, BufWriter};
-
-#[derive(Parser)]
-#[clap(about, version)]
-pub struct DecodeArgs {
-    #[arg(long)]
-    debug: bool,
-}
-
-fn main() -> anyhow::Result<()> {
-    env_logger::init_from_env("LOG");
-    let args = DecodeArgs::parse();
-
-    let mut input = BufReader::new(std::io::stdin());
-    let mut output = BufWriter::new(std::io::stdout());
-
-    let header = input.get::<Header>().context("reading header")?;
-    info!("{header:?}");
-    if header.resolution.x * header.resolution.y > 100_000_000 {
-        warn!("resolution is quite big. video is likely corrupt.");
-    }
-    let size = header.resolution;
-
-    let config = DecodeConfig {};
-
-    let progress_bar = ProgressBar::new(header.frame_count as u64);
-
-    let mut prev = Frame::new(size);
-    for i in 0..header.frame_count {
-        info!("decode frame {i}");
-
-        let block = Block::read(&mut input, size).context("reading encoded frame")?;
-        let mut frame = Frame::new(size);
-
-        decode_block(&block, frame.view_mut(), prev.view(), &config);
-
-        progress_bar.inc(1);
-
-        if args.debug {
-            let mut f2 = frame.clone();
-            draw_debug(&block, f2.view_mut());
-            f2.write(&mut output).context("writing raw frame")?;
-        } else {
-            frame.write(&mut output).context("writing raw frame")?;
-        }
-
-        prev = frame;
-    }
-    drop(input);
-    Ok(())
-}
diff --git a/evc/src/bin/encode.rs b/evc/src/bin/encode.rs
deleted file mode 100644
index 43f2c57..0000000
--- a/evc/src/bin/encode.rs
+++ /dev/null
@@ -1,111 +0,0 @@
-use anyhow::Context;
-use clap::Parser;
-use indicatif::ProgressBar;
-use libreschmux::{
-    codec::{
-        decode::{decode_block, DecodeConfig},
-        encode::{encode_block, EncodeConfig, EncodeMode},
-    },
-    format::{header::Header, ser::Sink},
-    frame::Frame,
-    helpers::vector::Vec2,
-};
-use log::info;
-use std::io::{BufReader, BufWriter};
-
-#[derive(Parser)]
-#[clap(about, version)]
-pub struct EncodeArgs {
-    #[arg(short = 'W', long)]
-    width: usize,
-    #[arg(short = 'H', long)]
-    height: usize,
-
-    #[arg(short, long)]
-    mode: EncodeMode,
-
-    #[arg(long)]
-    no_linear_transform: bool,
-    #[arg(long)]
-    no_value_scale: bool,
-    #[arg(long)]
-    no_translate: bool,
-
-    #[arg[short = 'L', long]]
-    length: Option<usize>,
-
-    #[arg(short, long, default_value = "8")]
-    min_block_size: isize,
-
-    #[arg(short = 't', long, default_value = "200")]
-    ref_thres: f64,
-}
-
-fn main() -> anyhow::Result<()> {
-    env_logger::init_from_env("LOG");
-    let args = EncodeArgs::parse();
-
-    let mut input = BufReader::new(std::io::stdin());
-    let mut output = BufWriter::new(std::io::stdout());
-
-    let config = EncodeConfig {
-        mode: args.mode,
-        ref_thres: args.ref_thres,
-        weight_factor: 50.0,
-        max_diff_area: 10_000,
-        min_block_size: args.min_block_size,
-        do_translate: !args.no_translate,
-        do_linear_transform: !args.no_linear_transform,
-        do_value_scale: !args.no_value_scale,
-    };
-
-    let size = Vec2 {
-        x: args.width as isize,
-        y: args.height as isize,
-    };
-    output
-        .put(Header {
-            resolution: size,
-            frame_count: args.length.unwrap_or(usize::MAX),
-        })
-        .context("writing header")?;
-
-    let progress_bar = args.length.map(|len| ProgressBar::new(len as u64));
-    let mut prev_frame = Frame::new(size);
-
-    for i in 0.. {
-        info!("encode frame {i}");
-        let mut frame = Frame::read(&mut input, size).context("reading raw frame")?;
-
-        let v1 = frame.view();
-        let v2 = prev_frame.view();
-
-        let (error, root) = encode_block(v1, v2, &config);
-
-        // compress_block(
-        //     &mut root,
-        //     Vec2 {
-        //         x: size.x as usize,
-        //         y: size.y as usize,
-        //     },
-        // );
-
-        root.write(&mut output, size)
-            .context("writing encoded frame")?;
-
-        info!(
-            "cumulative error: {error} ({} per pixel)",
-            error / frame.view().area() as f64
-        );
-
-        if let Some(progress_bar) = &progress_bar {
-            progress_bar.inc(1);
-        }
-
-        decode_block(&root, frame.view_mut(), prev_frame.view(), &DecodeConfig {});
-
-        prev_frame = frame;
-    }
-
-    Ok(())
-}
diff --git a/evc/src/bin/info.rs b/evc/src/bin/info.rs
deleted file mode 100644
index ebd8442..0000000
--- a/evc/src/bin/info.rs
+++ /dev/null
@@ -1,10 +0,0 @@
-use anyhow::Context;
-use libreschmux::format::{header::Header, ser::Source};
-use std::io::BufReader;
-
-fn main() {
-    env_logger::init_from_env("LOG");
-    let mut input = BufReader::new(std::io::stdin());
-    let header = input.get::<Header>().context("reading header").unwrap();
-    eprintln!("{header:#?}")
-}
diff --git a/evc/src/block.rs b/evc/src/block.rs
deleted file mode 100644
index d0f940b..0000000
--- a/evc/src/block.rs
+++ /dev/null
@@ -1,123 +0,0 @@
-use crate::{
-    format::ser::{ConstSizeSerExt, Ser, Sink, Small, Source},
-    helpers::vector::Vec2,
-    helpers::{matrix::Mat2, pixel::Pixel},
-};
-use anyhow::bail;
-
-#[derive(Clone, Debug, PartialEq)]
-pub enum Block {
-    Literal(Vec<Pixel>),
-    CompressedLiteral(Vec<u8>),
-    Split(Box<[Block; 2]>),
-    Reference { translation: Vec2<isize> },
-    AdvancedReference(AdvancedReference),
-}
-
-#[derive(Clone, Debug, PartialEq)]
-pub struct AdvancedReference {
-    pub translation: Vec2<i8>,
-    pub transform: Mat2<i8>,
-    pub value_scale: i8,
-}
-
-impl Block {
-    pub const REFZERO: Block = Block::Reference {
-        translation: Vec2::<isize>::ZERO,
-    };
-
-    pub fn write(&self, sink: &mut impl std::io::Write, size: Vec2<isize>) -> anyhow::Result<()> {
-        match &self {
-            Block::Literal(pixels) => {
-                sink.put(0u8)?;
-                pixels.write_const_size(sink, size.area() as usize)?;
-            }
-            Block::CompressedLiteral(data) => {
-                sink.put(1u8)?;
-                data.write(sink)?;
-            }
-            Block::Split(box [a, b]) => {
-                sink.put(2u8)?;
-                let [asize, bsize] = split_size(size);
-                a.write(sink, asize)?;
-                b.write(sink, bsize)?;
-            }
-            Block::Reference { translation } => {
-                sink.put(3u8)?;
-                sink.put(Small(*translation))?;
-            }
-            Block::AdvancedReference(AdvancedReference {
-                translation,
-                transform,
-                value_scale,
-            }) => {
-                sink.put(4u8)?;
-                sink.put((*translation, *transform, *value_scale))?;
-            }
-        }
-        Ok(())
-    }
-
-    pub fn read(source: &mut impl std::io::Read, size: Vec2<isize>) -> anyhow::Result<Self> {
-        let variant = source.get::<u8>()?;
-        Ok(match variant {
-            0 => Block::Literal(Vec::read_const_size(source, size.area() as usize)?),
-            1 => Block::CompressedLiteral(Vec::read(source)?),
-            2 => Block::Split(Box::new({
-                let [asize, bsize] = split_size(size);
-                let a = Block::read(source, asize)?;
-                let b = Block::read(source, bsize)?;
-                [a, b]
-            })),
-            3 => Block::Reference {
-                translation: source.get::<Small<Vec2<isize>>>()?.0,
-            },
-            4 => Block::AdvancedReference(AdvancedReference {
-                translation: source.get()?,
-                transform: source.get()?,
-                value_scale: source.get()?,
-            }),
-            x => bail!("corrupt block type ({})", x),
-        })
-    }
-}
-
-pub fn split_size(size: Vec2<isize>) -> [Vec2<isize>; 2] {
-    let vert = size.x > size.y;
-    [
-        if vert {
-            (size.x / 2, size.y).into()
-        } else {
-            (size.x, size.y / 2).into()
-        },
-        if vert {
-            (size.x - size.x / 2, size.y).into()
-        } else {
-            (size.x, size.y - size.y / 2).into()
-        },
-    ]
-}
-
-impl Block {
-    pub fn is_literal(&self) -> bool {
-        matches!(self, Block::Literal(..))
-    }
-    pub fn identical_ref(a: &Self, b: &Self) -> bool {
-        matches!(a, Block::Reference { .. }) && a == b
-    }
-}
-
-impl Default for AdvancedReference {
-    fn default() -> Self {
-        Self {
-            translation: Vec2 { x: 0, y: 0 },
-            transform: Mat2 {
-                a: 4,
-                b: 0,
-                c: 0,
-                d: 4,
-            },
-            value_scale: 0,
-        }
-    }
-}
diff --git a/evc/src/codec/compress.rs b/evc/src/codec/compress.rs
deleted file mode 100644
index 09d1f29..0000000
--- a/evc/src/codec/compress.rs
+++ /dev/null
@@ -1,155 +0,0 @@
-use crate::{
-    block::Block,
-    frame::Frame,
-    helpers::{pixel::Pixel, vector::Vec2},
-    view::View,
-};
-use rustdct::DctPlanner;
-
-pub fn compress_block(block: &mut Block, size: Vec2<usize>) {
-    match block {
-        Block::Literal(p) => {
-            let comp = lit_compress(size.x, size.y, &p);
-            *block = Block::CompressedLiteral(comp)
-        }
-        Block::Split(box [a, b]) => {
-            let vert = size.x > size.y;
-            compress_block(
-                a,
-                if vert {
-                    Vec2 {
-                        x: size.x / 2,
-                        y: size.y,
-                    }
-                } else {
-                    Vec2 {
-                        x: size.x,
-                        y: size.y / 2,
-                    }
-                },
-            );
-            compress_block(
-                b,
-                if vert {
-                    Vec2 {
-                        x: size.x - size.x / 2,
-                        y: size.y,
-                    }
-                } else {
-                    Vec2 {
-                        x: size.x,
-                        y: size.y - size.y / 2,
-                    }
-                },
-            );
-        }
-        _ => (),
-    }
-}
-
-pub fn lit_compress(w: usize, h: usize, pixels: &[Pixel]) -> Vec<u8> {
-    let mut out = vec![];
-    for ci in 0..3 {
-        let mut ch = vec![0.; w * h];
-        for y in 0..h {
-            for x in 0..w {
-                let p = pixels[x + y * w];
-                ch[x + y * w] = match ci {
-                    0 => p.r,
-                    1 => p.g,
-                    2 => p.b,
-                    _ => unreachable!(),
-                } as f32
-            }
-        }
-
-        norm_dct_channel(w, h, &mut ch);
-        for i in 0..w * h {
-            out.extend(unsafe { std::mem::transmute::<_, [u8; 4]>(ch[i]) });
-        }
-    }
-    out
-}
-
-pub fn lit_decompress(compressed: &[u8], mut target: View<&mut Frame>) {
-    let (w, h) = (target.size.x as usize, target.size.y as usize);
-    for ci in 0..3 {
-        let mut ch = compressed[ci * w * h..(ci + 1) * w * h]
-            .chunks_exact(4)
-            .map(|v| unsafe {
-                std::mem::transmute::<_, f32>(TryInto::<[u8; 4]>::try_into(v).unwrap())
-            })
-            .collect::<Vec<_>>();
-        norm_idct_channel(w, h, &mut ch);
-        for y in 0..h {
-            for x in 0..w {
-                let p = &mut target[Vec2 {
-                    x: x as isize,
-                    y: y as isize,
-                }];
-                *(match ci {
-                    0 => &mut p.r,
-                    1 => &mut p.g,
-                    2 => &mut p.b,
-                    _ => unreachable!(),
-                }) = ch[x + y * w] as u8
-            }
-        }
-    }
-}
-
-fn norm_dct_channel(w: usize, h: usize, values: &mut [f32]) {
-    let d = DctPlanner::new().plan_dct2(w);
-    let mut temp = vec![0.; d.get_scratch_len()];
-    for c in values.chunks_exact_mut(w) {
-        d.process_dct2_with_scratch(c, &mut temp)
-    }
-
-    let mut values_trans = transpose(w, h, values);
-    let d = DctPlanner::new().plan_dct2(h);
-    let mut temp = vec![0.; d.get_scratch_len()];
-    for c in values_trans.chunks_exact_mut(h) {
-        d.process_dct2_with_scratch(c, &mut temp)
-    }
-
-    let scale = 2. / (w as f32 * h as f32).sqrt();
-    for (i, v) in values_trans.iter().enumerate() {
-        values[i] = *v * scale * 127.0
-    }
-}
-
-fn norm_idct_channel(h: usize, w: usize, values: &mut [f32]) {
-    let scale = 2. / (w as f32 * h as f32).sqrt();
-    for v in values.iter_mut() {
-        *v /= scale * 127.0
-    }
-
-    let d = DctPlanner::new().plan_dct2(w);
-    let mut temp = vec![0.; d.get_scratch_len()];
-    for c in values.chunks_exact_mut(w) {
-        d.process_dct3_with_scratch(c, &mut temp)
-    }
-
-    let mut values_trans = transpose(w, h, values);
-    let d = DctPlanner::new().plan_dct2(h);
-    let mut temp = vec![0.; d.get_scratch_len()];
-    for c in values_trans.chunks_exact_mut(h) {
-        d.process_dct3_with_scratch(c, &mut temp)
-    }
-    values.copy_from_slice(&values_trans)
-}
-
-fn transpose(w: usize, h: usize, values: &[f32]) -> Vec<f32> {
-    let mut io = 0;
-    let mut it;
-    let mut transposed = vec![0.; values.len()];
-    for row in 0..h {
-        it = row;
-        for _ in 0..w {
-            transposed[it] = values[io];
-            io += 1;
-            it += h;
-        }
-    }
-    transposed
-}
diff --git a/evc/src/codec/decode.rs b/evc/src/codec/decode.rs
deleted file mode 100644
index c042278..0000000
--- a/evc/src/codec/decode.rs
+++ /dev/null
@@ -1,34 +0,0 @@
-use super::compress::lit_decompress;
-use crate::{block::Block, frame::Frame, refsampler::Sampler, view::View};
-
-pub struct DecodeConfig {}
-
-pub fn decode_block(
-    block: &Block,
-    mut target: View<&mut Frame>,
-    prev: View<&Frame>,
-    config: &DecodeConfig,
-) {
-    match &block {
-        Block::Literal(pixels) => target.set_pixels(pixels),
-        Block::Split(box [a, b]) => {
-            let [a, b] = unsafe { std::mem::transmute::<_, [&'static Block; 2]>([a, b]) };
-            let [at, bt] = unsafe {
-                std::mem::transmute::<_, [View<&'static mut Frame>; 2]>(target.split_mut_unsafe())
-            };
-            let [ap, bp] =
-                unsafe { std::mem::transmute::<_, [View<&'static Frame>; 2]>(prev.split()) };
-            let config = unsafe { std::mem::transmute::<_, &'static DecodeConfig>(config) };
-
-            rayon::join(
-                move || decode_block(a, at, ap, config),
-                move || decode_block(b, bt, bp, config),
-            );
-        }
-        Block::CompressedLiteral(data) => {
-            lit_decompress(&data, target);
-        }
-        Block::Reference { translation } => target.copy_from(&prev.offset(*translation)),
-        Block::AdvancedReference(r) => target.copy_from_sampler(&Sampler::from_refblock(prev, r)),
-    }
-}
diff --git a/evc/src/codec/encode/advanced.rs b/evc/src/codec/encode/advanced.rs
deleted file mode 100644
index 0e45176..0000000
--- a/evc/src/codec/encode/advanced.rs
+++ /dev/null
@@ -1,115 +0,0 @@
-use super::EncodeConfig;
-use crate::{
-    block::{AdvancedReference, Block},
-    frame::Frame,
-    refsampler::Sampler,
-    view::View,
-};
-
-pub fn default(
-    view: &View<&Frame>,
-    prev: &View<&Frame>,
-    config: &EncodeConfig,
-    max_diff: f64,
-) -> (f64, Block) {
-    let mut pm = AdvancedReference::default();
-    let sampler = Sampler::from_refblock(prev.clone(), &pm);
-    let mut diff = View::diff_sampler(&view, &sampler);
-    if diff < max_diff {
-        (diff, Block::REFZERO)
-    } else {
-        loop {
-            let (mut d, mut p) = (diff, pm.clone());
-
-            if config.do_translate {
-                pk(&view, &prev, &mut d, &mut p, &pm, |p| p.translation.x += 4);
-                pk(&view, &prev, &mut d, &mut p, &pm, |p| p.translation.x -= 4);
-                pk(&view, &prev, &mut d, &mut p, &pm, |p| p.translation.y += 4);
-                pk(&view, &prev, &mut d, &mut p, &pm, |p| p.translation.y -= 4);
-                pk(&view, &prev, &mut d, &mut p, &pm, |p| p.translation.x += 2);
-                pk(&view, &prev, &mut d, &mut p, &pm, |p| p.translation.x -= 2);
-                pk(&view, &prev, &mut d, &mut p, &pm, |p| p.translation.y += 2);
-                pk(&view, &prev, &mut d, &mut p, &pm, |p| p.translation.y -= 2);
-                pk(&view, &prev, &mut d, &mut p, &pm, |p| p.translation.x += 1);
-                pk(&view, &prev, &mut d, &mut p, &pm, |p| p.translation.x -= 1);
-                pk(&view, &prev, &mut d, &mut p, &pm, |p| p.translation.y += 1);
-                pk(&view, &prev, &mut d, &mut p, &pm, |p| p.translation.y -= 1);
-            }
-            if config.do_value_scale {
-                pk(&view, &prev, &mut d, &mut p, &pm, |p| p.value_scale += 1);
-                pk(&view, &prev, &mut d, &mut p, &pm, |p| p.value_scale -= 1);
-            }
-            if config.do_linear_transform {
-                pk(&view, &prev, &mut d, &mut p, &pm, |p| p.transform.a -= 1);
-                pk(&view, &prev, &mut d, &mut p, &pm, |p| p.transform.a += 1);
-                pk(&view, &prev, &mut d, &mut p, &pm, |p| p.transform.b -= 1);
-                pk(&view, &prev, &mut d, &mut p, &pm, |p| p.transform.b += 1);
-                pk(&view, &prev, &mut d, &mut p, &pm, |p| p.transform.c -= 1);
-                pk(&view, &prev, &mut d, &mut p, &pm, |p| p.transform.c += 1);
-                pk(&view, &prev, &mut d, &mut p, &pm, |p| p.transform.d -= 1);
-                pk(&view, &prev, &mut d, &mut p, &pm, |p| p.transform.d += 1);
-            }
-
-            if d >= diff {
-                break (diff, Block::AdvancedReference(pm));
-            }
-
-            diff = d;
-            pm = p;
-        }
-    }
-}
-
-pub fn partial(
-    view: &View<&Frame>,
-    prev: &View<&Frame>,
-    _config: &EncodeConfig,
-    max_diff: f64,
-) -> (f64, Block) {
-    let mut pm = AdvancedReference::default();
-    let sampler = Sampler::from_refblock(prev.clone(), &pm);
-    let mut diff = View::diff_sampler(&view, &sampler);
-    if diff < max_diff {
-        (diff, Block::REFZERO)
-    } else {
-        loop {
-            let (mut d, mut p) = (diff, pm.clone());
-            pk(&view, &prev, &mut d, &mut p, &pm, |p| p.translation.x += 2);
-            pk(&view, &prev, &mut d, &mut p, &pm, |p| p.translation.x -= 2);
-            pk(&view, &prev, &mut d, &mut p, &pm, |p| p.translation.y += 2);
-            pk(&view, &prev, &mut d, &mut p, &pm, |p| p.translation.y -= 2);
-            pk(&view, &prev, &mut d, &mut p, &pm, |p| p.translation.x += 1);
-            pk(&view, &prev, &mut d, &mut p, &pm, |p| p.translation.x -= 1);
-            pk(&view, &prev, &mut d, &mut p, &pm, |p| p.translation.y += 1);
-            pk(&view, &prev, &mut d, &mut p, &pm, |p| p.translation.y -= 1);
-
-            pk(&view, &prev, &mut d, &mut p, &pm, |p| p.value_scale += 1);
-            pk(&view, &prev, &mut d, &mut p, &pm, |p| p.value_scale -= 1);
-
-            if d >= diff {
-                break (diff, Block::AdvancedReference(pm));
-            }
-            diff = d;
-            pm = p;
-        }
-    }
-}
-
-#[inline]
-fn pk<F: FnMut(&mut AdvancedReference) -> ()>(
-    view: &View<&Frame>,
-    prev: &View<&Frame>,
-    diff: &mut f64,
-    params: &mut AdvancedReference,
-    initial_params: &AdvancedReference,
-    mut f: F,
-) {
-    let mut p = initial_params.clone();
-    f(&mut p);
-    let sampler = Sampler::from_refblock(prev.clone(), &p);
-    let d = View::diff_sampler(view, &sampler);
-    if d < *diff {
-        *diff = d;
-        *params = p;
-    }
-}
diff --git a/evc/src/codec/encode/mod.rs b/evc/src/codec/encode/mod.rs
deleted file mode 100644
index 30342f0..0000000
--- a/evc/src/codec/encode/mod.rs
+++ /dev/null
@@ -1,112 +0,0 @@
-pub mod advanced;
-pub mod simple;
-
-use crate::{
-    block::Block,
-    frame::Frame,
-    helpers::{pixel::Pixel, vector::Vec2},
-    view::View,
-};
-use clap::ValueEnum;
-
-#[derive(Debug, Clone)]
-pub struct EncodeConfig {
-    pub mode: EncodeMode,
-    pub ref_thres: f64,
-    pub max_diff_area: isize,
-    pub min_block_size: isize,
-    pub weight_factor: f64,
-
-    pub do_translate: bool,
-    pub do_value_scale: bool,
-    pub do_linear_transform: bool,
-}
-
-#[derive(Debug, Clone, ValueEnum)]
-pub enum EncodeMode {
-    Trivial,
-    SimpleFast,
-    SimpleExhaustive,
-    Advanced,
-    AdvancedPartial,
-}
-
-pub fn encode_block(view: View<&Frame>, prev: View<&Frame>, config: &EncodeConfig) -> (f64, Block) {
-    let (diff, refblock) = if view.area() > config.max_diff_area {
-        (
-            f64::INFINITY,
-            Block::Reference {
-                translation: Vec2::<isize>::ZERO,
-            },
-        )
-    } else {
-        let weight = importance(&view).max(0.5);
-        let irrelevance = config.weight_factor / weight;
-        let max_diff = config.ref_thres - irrelevance;
-        let (diff, refblock) = match config.mode {
-            EncodeMode::Trivial => (
-                View::diff(&view, &prev),
-                Block::Reference {
-                    translation: Vec2::<isize>::ZERO,
-                },
-            ),
-            EncodeMode::SimpleExhaustive => simple::exhaustive(&view, &prev, config, max_diff),
-            EncodeMode::SimpleFast => simple::fast(&view, &prev, config, max_diff),
-            EncodeMode::Advanced => advanced::default(&view, &prev, config, max_diff),
-            EncodeMode::AdvancedPartial => advanced::partial(&view, &prev, config, max_diff),
-        };
-        (diff - irrelevance, refblock)
-    };
-    if diff < config.ref_thres {
-        (diff, refblock)
-    } else {
-        if view.size.x < config.min_block_size || view.size.y < config.min_block_size {
-            (0.0, Block::Literal(view.pixels()))
-        } else {
-            let [av, bv] =
-                unsafe { std::mem::transmute::<_, [View<&'static Frame>; 2]>(view.split()) };
-            let [ap, bp] =
-                unsafe { std::mem::transmute::<_, [View<&'static Frame>; 2]>(prev.split()) };
-            let config = unsafe { std::mem::transmute::<_, &'static EncodeConfig>(config) };
-
-            // only bother to do multithreading, when the block is big.
-            let ((ad, a), (bd, b)) = if view.area() > 100 {
-                rayon::join(
-                    || encode_block(av, ap, config),
-                    || encode_block(bv, bp, config),
-                )
-            } else {
-                (encode_block(av, ap, config), encode_block(bv, bp, config))
-            };
-
-            (
-                ad + bd,
-                if a.is_literal() && b.is_literal() {
-                    Block::Literal(view.pixels())
-                } else if Block::identical_ref(&a, &b) {
-                    Block::Reference {
-                        translation: Vec2::<isize>::ZERO,
-                    }
-                } else {
-                    Block::Split(Box::new([a, b]))
-                },
-            )
-        }
-    }
-}
-
-pub fn importance(view: &View<&Frame>) -> f64 {
-    let mut acc = 0;
-    for x in 0..view.size.x {
-        for y in 0..view.size.y {
-            let p = Vec2 { x, y };
-            if x > 0 {
-                acc += Pixel::distance(view[p], view[p + Vec2::<isize>::LEFT]);
-            }
-            if y > 0 {
-                acc += Pixel::distance(view[p], view[p + Vec2::<isize>::UP]);
-            }
-        }
-    }
-    (acc / view.area() as usize) as f64
-}
diff --git a/evc/src/codec/encode/simple.rs b/evc/src/codec/encode/simple.rs
deleted file mode 100644
index 2a971af..0000000
--- a/evc/src/codec/encode/simple.rs
+++ /dev/null
@@ -1,65 +0,0 @@
-use crate::{block::Block, frame::Frame, helpers::vector::Vec2, view::View};
-
-use super::EncodeConfig;
-
-pub fn exhaustive(
-    view: &View<&Frame>,
-    prev: &View<&Frame>,
-    _config: &EncodeConfig,
-    _max_diff: f64,
-) -> (f64, Block) {
-    let mut diff = f64::INFINITY;
-    let mut translation = Vec2::<isize>::ZERO;
-    const OFFSETS: &[isize] = &[-64, -32, -16, -8, -4, -2, -1, 0, 1, 2, 4, 8, 16, 32, 64];
-    for x in OFFSETS {
-        for y in OFFSETS {
-            let t = Vec2 { x: *x, y: *y };
-            let d = View::diff(&view, &prev.offset(t));
-            if d < diff {
-                translation = t;
-                diff = d;
-            }
-        }
-    }
-    (diff, Block::Reference { translation })
-}
-
-pub fn fast(
-    view: &View<&Frame>,
-    prev: &View<&Frame>,
-    _config: &EncodeConfig,
-    max_diff: f64,
-) -> (f64, Block) {
-    let mut offset = Vec2::<isize>::ZERO;
-    let mut diff = View::diff(&view, &prev);
-    if diff < max_diff {
-        (diff, Block::REFZERO)
-    } else {
-        loop {
-            let (mut d, mut o) = (diff, offset);
-            let mut probe = |test_o: Vec2<isize>| {
-                let test_d = View::diff(&prev.clone().offset(test_o), &view);
-                if test_d < d {
-                    d = test_d;
-                    o = test_o;
-                }
-            };
-
-            probe(offset + Vec2 { x: 8, y: 0 });
-            probe(offset + Vec2 { x: -8, y: 0 });
-            probe(offset + Vec2 { x: 0, y: 8 });
-            probe(offset + Vec2 { x: 0, y: -8 });
-
-            probe(offset + Vec2 { x: 1, y: 0 });
-            probe(offset + Vec2 { x: -1, y: 0 });
-            probe(offset + Vec2 { x: 0, y: 1 });
-            probe(offset + Vec2 { x: 0, y: -1 });
-
-            if d >= diff {
-                break (diff, Block::Reference { translation: o });
-            }
-            diff = d;
-            offset = o;
-        }
-    }
-}
diff --git a/evc/src/codec/mod.rs b/evc/src/codec/mod.rs
deleted file mode 100644
index 3203e6e..0000000
--- a/evc/src/codec/mod.rs
+++ /dev/null
@@ -1,3 +0,0 @@
-pub mod decode;
-pub mod encode;
-pub mod compress;
diff --git a/evc/src/debug.rs b/evc/src/debug.rs
deleted file mode 100644
index a7a9545..0000000
--- a/evc/src/debug.rs
+++ /dev/null
@@ -1,103 +0,0 @@
-use crate::{
-    block::Block,
-    format::ser::map_scalar8,
-    frame::Frame,
-    helpers::vector::Vec2,
-    helpers::{matrix::Mat2, pixel::Pixel},
-    view::View,
-};
-
-impl View<&mut Frame> {
-    pub fn draw_box(&mut self, color: Pixel) {
-        let w = self.size.x;
-        let h = self.size.y;
-        for x in 0..w {
-            self[(x, 0)] = color;
-            self[(x, h - 1)] = color;
-        }
-        for y in 0..h {
-            self[(0, y)] = color;
-            self[(w - 1, y)] = color;
-        }
-    }
-}
-
-impl Frame {
-    pub fn draw_line(&mut self, start: Vec2<f32>, end: Vec2<f32>, color: Pixel) {
-        let diff = end - start;
-        let len = (diff.x * diff.x + diff.y * diff.y).sqrt();
-        let normal = Vec2 {
-            x: diff.x / len,
-            y: diff.y / len,
-        };
-        let mut cursor = start.clone();
-        let mut lc = 0.0;
-        while lc < len {
-            self.set(cursor.into(), color);
-            lc += 0.5;
-            cursor = cursor + normal.scale(0.5);
-        }
-    }
-}
-
-impl Pixel {
-    pub const RED: Pixel = Pixel { r: 255, g: 0, b: 0 };
-    pub const GREEN: Pixel = Pixel { r: 0, g: 255, b: 0 };
-    pub const BLUE: Pixel = Pixel { r: 0, g: 0, b: 255 };
-    pub const MAGENTA: Pixel = Pixel {
-        r: 255,
-        g: 0,
-        b: 255,
-    };
-    pub const CYAN: Pixel = Pixel {
-        r: 0,
-        g: 255,
-        b: 255,
-    };
-}
-
-pub fn draw_debug(block: &Block, mut target: View<&mut Frame>) {
-    match &block {
-        Block::Literal(_) | Block::CompressedLiteral(_) => {
-            target.draw_box(Pixel::GREEN);
-        }
-        Block::Split(box [a, b]) => {
-            let [at, bt] = target.split_mut_unsafe();
-            draw_debug(a, at);
-            draw_debug(b, bt);
-        }
-        Block::Reference { translation } => {
-            target.draw_box(Pixel::BLUE);
-            target.frame.draw_line(
-                target.center().into(),
-                (target.center() + *translation).into(),
-                Pixel::RED,
-            )
-        }
-        Block::AdvancedReference(r) => {
-            let mat = Mat2 {
-                a: map_scalar8(r.transform.a),
-                b: map_scalar8(r.transform.b),
-                c: map_scalar8(r.transform.c),
-                d: map_scalar8(r.transform.d),
-            };
-            let translation = Vec2 {
-                x: map_scalar8(r.translation.x),
-                y: map_scalar8(r.translation.y),
-            };
-            let halfsize = Into::<Vec2<f32>>::into(target.size).scale(0.5);
-            let transform = |p| translation + mat.transform(p - halfsize) + halfsize;
-            let (tl, tr, bl, br) = (
-                transform(Vec2::<f32>::ZERO) + target.offset.into(),
-                transform(target.size.x_only().into()) + target.offset.into(),
-                transform(target.size.y_only().into()) + target.offset.into(),
-                transform(target.size.into()) + target.offset.into(),
-            );
-            target.draw_box(Pixel::CYAN);
-            target.frame.draw_line(tl, tr, Pixel::MAGENTA);
-            target.frame.draw_line(tr, br, Pixel::MAGENTA);
-            target.frame.draw_line(bl, br, Pixel::MAGENTA);
-            target.frame.draw_line(tl, bl, Pixel::MAGENTA);
-        }
-    };
-}
diff --git a/evc/src/format/header.rs b/evc/src/format/header.rs
deleted file mode 100644
index ecbae89..0000000
--- a/evc/src/format/header.rs
+++ /dev/null
@@ -1,29 +0,0 @@
-use crate::{
-    format::ser::{Ser, Sink, Source},
-    helpers::vector::Vec2,
-};
-
-#[derive(Debug, Clone, PartialEq, Copy)]
-pub struct Header {
-    pub resolution: Vec2<isize>,
-    pub frame_count: usize,
-}
-
-pub const MAGIC: [u8; 4] = [0x5eu8, 0xb1u8, 0xc3u8, 0x08u8];
-
-impl Ser for Header {
-    fn write(&self, sink: &mut impl std::io::Write) -> anyhow::Result<()> {
-        sink.put(MAGIC)?;
-        sink.put((Into::<Vec2<u16>>::into(self.resolution), self.frame_count))?;
-        Ok(())
-    }
-
-    fn read(source: &mut impl std::io::Read) -> anyhow::Result<Self> {
-        assert_eq!(source.get::<[u8; 4]>()?, MAGIC);
-        let (resolution, frame_count): (Vec2<u16>, usize) = source.get()?;
-        Ok(Self {
-            resolution: resolution.into(),
-            frame_count,
-        })
-    }
-}
diff --git a/evc/src/format/mod.rs b/evc/src/format/mod.rs
deleted file mode 100644
index d4fb18c..0000000
--- a/evc/src/format/mod.rs
+++ /dev/null
@@ -1,2 +0,0 @@
-pub mod header;
-pub mod ser;
\ No newline at end of file
diff --git a/evc/src/format/ser.rs b/evc/src/format/ser.rs
deleted file mode 100644
index f063377..0000000
--- a/evc/src/format/ser.rs
+++ /dev/null
@@ -1,335 +0,0 @@
-use anyhow::Context;
-use std::io::{Read, Write};
-
-use crate::helpers::{matrix::Mat2, vector::Vec2};
-
-pub trait Sink {
-    fn put<V: Ser>(&mut self, value: V) -> anyhow::Result<()>;
-}
-pub trait Source {
-    fn get<V: Ser>(&mut self) -> anyhow::Result<V>;
-}
-
-impl<T: Write> Sink for T {
-    fn put<V: Ser>(&mut self, value: V) -> anyhow::Result<()> {
-        value.write(self)
-    }
-}
-impl<T: Read> Source for T {
-    fn get<V: Ser>(&mut self) -> anyhow::Result<V> {
-        V::read(self)
-    }
-}
-
-pub trait Ser: Sized {
-    fn write(&self, sink: &mut impl Write) -> anyhow::Result<()>;
-    fn read(source: &mut impl Read) -> anyhow::Result<Self>;
-}
-
-impl<A: Ser, B: Ser> Ser for (A, B) {
-    fn write(&self, sink: &mut impl Write) -> anyhow::Result<()> {
-        self.0.write(sink).context("first tuple field")?;
-        self.1.write(sink).context("second tuple field")?;
-        Ok(())
-    }
-
-    fn read(source: &mut impl Read) -> anyhow::Result<Self> {
-        Ok((A::read(source)?, B::read(source)?))
-    }
-}
-impl<A: Ser, B: Ser, C: Ser> Ser for (A, B, C) {
-    fn write(&self, sink: &mut impl Write) -> anyhow::Result<()> {
-        self.0.write(sink).context("first tuple field")?;
-        self.1.write(sink).context("second tuple field")?;
-        self.2.write(sink).context("third tuple field")?;
-        Ok(())
-    }
-
-    fn read(source: &mut impl Read) -> anyhow::Result<Self> {
-        Ok((A::read(source)?, B::read(source)?, C::read(source)?))
-    }
-}
-impl<A: Ser, B: Ser, C: Ser, D: Ser> Ser for (A, B, C, D) {
-    fn write(&self, sink: &mut impl Write) -> anyhow::Result<()> {
-        self.0.write(sink).context("first tuple field")?;
-        self.1.write(sink).context("second tuple field")?;
-        self.2.write(sink).context("third tuple field")?;
-        self.3.write(sink).context("fourth tuple field")?;
-        Ok(())
-    }
-
-    fn read(source: &mut impl Read) -> anyhow::Result<Self> {
-        Ok((
-            A::read(source)?,
-            B::read(source)?,
-            C::read(source)?,
-            D::read(source)?,
-        ))
-    }
-}
-
-impl<A: Ser, const N: usize> Ser for [A; N] {
-    fn write(&self, sink: &mut impl Write) -> anyhow::Result<()> {
-        for e in self {
-            e.write(sink).context("some array")?;
-        }
-        Ok(())
-    }
-
-    fn read(source: &mut impl Read) -> anyhow::Result<Self> {
-        let mut k: [A; N] = unsafe { std::mem::zeroed() };
-        for i in 0..N {
-            k[i] = A::read(source)?;
-        }
-        Ok(k)
-    }
-}
-
-impl<T: Ser> Ser for Vec<T> {
-    fn write(&self, sink: &mut impl Write) -> anyhow::Result<()> {
-        self.len().write(sink)?;
-        for e in self {
-            e.write(sink).context("some vec")?;
-        }
-        Ok(())
-    }
-
-    fn read(source: &mut impl Read) -> anyhow::Result<Self> {
-        let mut v = vec![];
-        for _ in 0..usize::read(source)? {
-            v.push(T::read(source)?)
-        }
-        Ok(v)
-    }
-}
-
-pub trait ConstSizeSerExt: Sized {
-    fn write_const_size(&self, sink: &mut impl Write, size: usize) -> anyhow::Result<()>;
-    fn read_const_size(source: &mut impl Read, size: usize) -> anyhow::Result<Self>;
-}
-impl<T: Ser> ConstSizeSerExt for Vec<T> {
-    fn write_const_size(&self, sink: &mut impl Write, size: usize) -> anyhow::Result<()> {
-        assert_eq!(self.len(), size);
-        for e in self {
-            e.write(sink).context("some const-size vec")?;
-        }
-        Ok(())
-    }
-
-    fn read_const_size(source: &mut impl Read, size: usize) -> anyhow::Result<Self> {
-        let mut v = vec![];
-        for _ in 0..size {
-            v.push(T::read(source)?)
-        }
-        Ok(v)
-    }
-}
-
-impl Ser for u8 {
-    fn write(&self, sink: &mut impl Write) -> anyhow::Result<()> {
-        Ok(sink.write_all(&[*self]).context("write u8")?)
-    }
-    fn read(source: &mut impl Read) -> anyhow::Result<Self> {
-        let mut buf = [0u8; 1];
-        source.read_exact(&mut buf)?;
-        Ok(buf[0])
-    }
-}
-impl Ser for i8 {
-    fn write(&self, sink: &mut impl Write) -> anyhow::Result<()> {
-        Ok(sink
-            .write_all(&unsafe { std::mem::transmute_copy::<_, [u8; 1]>(self) })
-            .context("write i8")?)
-    }
-    fn read(source: &mut impl Read) -> anyhow::Result<Self> {
-        let mut buf = [0u8; 1];
-        source.read_exact(&mut buf)?;
-        Ok(unsafe { std::mem::transmute_copy(&buf) })
-    }
-}
-impl Ser for u16 {
-    fn write(&self, sink: &mut impl Write) -> anyhow::Result<()> {
-        Ok(sink
-            .write_all(&unsafe { std::mem::transmute_copy::<_, [u8; 2]>(self) })
-            .context("write u16")?)
-    }
-    fn read(source: &mut impl Read) -> anyhow::Result<Self> {
-        let mut buf = [0u8; 2];
-        source.read_exact(&mut buf)?;
-        Ok(unsafe { std::mem::transmute_copy(&buf) })
-    }
-}
-impl Ser for u32 {
-    fn write(&self, sink: &mut impl Write) -> anyhow::Result<()> {
-        Ok(sink
-            .write_all(&unsafe { std::mem::transmute_copy::<_, [u8; 4]>(self) })
-            .context("write u32")?)
-    }
-    fn read(source: &mut impl Read) -> anyhow::Result<Self> {
-        let mut buf = [0u8; 4];
-        source.read_exact(&mut buf)?;
-        Ok(unsafe { std::mem::transmute_copy(&buf) })
-    }
-}
-impl Ser for u64 {
-    fn write(&self, sink: &mut impl Write) -> anyhow::Result<()> {
-        Ok(sink
-            .write_all(&unsafe { std::mem::transmute_copy::<_, [u8; 8]>(self) })
-            .context("write u64")?)
-    }
-    fn read(source: &mut impl Read) -> anyhow::Result<Self> {
-        let mut buf = [0u8; 8];
-        source.read_exact(&mut buf)?;
-        Ok(unsafe { std::mem::transmute_copy(&buf) })
-    }
-}
-impl Ser for usize {
-    fn write(&self, sink: &mut impl Write) -> anyhow::Result<()> {
-        Ok(sink
-            .write_all(&unsafe { std::mem::transmute_copy::<_, [u8; 8]>(self) })
-            .context("write usize")?)
-    }
-    fn read(source: &mut impl Read) -> anyhow::Result<Self> {
-        let mut buf = [0u8; 8];
-        source.read_exact(&mut buf)?;
-        Ok(unsafe { std::mem::transmute_copy(&buf) })
-    }
-}
-impl Ser for isize {
-    fn write(&self, sink: &mut impl Write) -> anyhow::Result<()> {
-        Ok(sink
-            .write_all(&unsafe { std::mem::transmute_copy::<_, [u8; 8]>(self) })
-            .context("write isize")?)
-    }
-    fn read(source: &mut impl Read) -> anyhow::Result<Self> {
-        let mut buf = [0u8; 8];
-        source.read_exact(&mut buf)?;
-        Ok(unsafe { std::mem::transmute_copy(&buf) })
-    }
-}
-impl Ser for f32 {
-    fn write(&self, sink: &mut impl Write) -> anyhow::Result<()> {
-        Ok(sink
-            .write_all(&unsafe { std::mem::transmute_copy::<_, [u8; 4]>(self) })
-            .context("write f32")?)
-    }
-    fn read(source: &mut impl Read) -> anyhow::Result<Self> {
-        let mut buf = [0u8; 4];
-        source.read_exact(&mut buf)?;
-        Ok(unsafe { std::mem::transmute_copy(&buf) })
-    }
-}
-impl Ser for f64 {
-    fn write(&self, sink: &mut impl Write) -> anyhow::Result<()> {
-        Ok(sink
-            .write_all(&unsafe { std::mem::transmute_copy::<_, [u8; 8]>(self) })
-            .context("write f64")?)
-    }
-    fn read(source: &mut impl Read) -> anyhow::Result<Self> {
-        let mut buf = [0u8; 8];
-        source.read_exact(&mut buf)?;
-        Ok(unsafe { std::mem::transmute_copy(&buf) })
-    }
-}
-
-impl<T: Ser + Copy> Ser for Vec2<T> {
-    fn write(&self, sink: &mut impl std::io::Write) -> anyhow::Result<()> {
-        sink.put((self.x, self.y))
-    }
-
-    fn read(source: &mut impl std::io::Read) -> anyhow::Result<Self> {
-        let (x, y) = source.get()?;
-        Ok(Vec2 { x, y })
-    }
-}
-impl<T: Ser + Copy> Ser for Mat2<T> {
-    fn write(&self, sink: &mut impl std::io::Write) -> anyhow::Result<()> {
-        sink.put((self.a, self.b, self.c, self.d))
-    }
-
-    fn read(source: &mut impl std::io::Read) -> anyhow::Result<Self> {
-        let (a, b, c, d) = source.get()?;
-        Ok(Mat2 { a, b, c, d })
-    }
-}
-
-pub struct Small<T>(pub T);
-impl Ser for Small<Vec2<isize>> {
-    fn write(&self, sink: &mut impl std::io::Write) -> anyhow::Result<()> {
-        sink.put((self.0.x as i8, self.0.y as i8))
-    }
-
-    fn read(source: &mut impl std::io::Read) -> anyhow::Result<Self> {
-        let (x, y): (i8, i8) = source.get()?;
-        Ok(Small(Vec2 {
-            x: x as isize,
-            y: y as isize,
-        }))
-    }
-}
-
-pub fn map_scalar8(v: i8) -> f32 {
-    match v {
-        0 => 0.0,
-        x if x > 0 => 2f32.powf((x as f32).abs() / 2.0 - 2.0),
-        x => -2f32.powf((-x as f32).abs() / 2.0 - 2.0),
-    }
-}
-// const SCALAR8: [f32; 256] = gen_scalar8_lookup();
-// const fn gen_scalar8_lookup() -> [f32; 256] {
-//     let mut a = [0.0; 256];
-//     let mut i = 0usize;
-//     while i < 256 {
-//         a[i as usize] = if i == 0 {
-//             0.0
-//         } else {
-//             let x = i as i8 as f32;
-//             x.signum() * 2f32.powf(x.abs() / 2.0 - 2.0)
-//         };
-//         i += 1;
-//     }
-//     a
-// }
-
-#[cfg(test)]
-mod test {
-    use super::{Ser, Sink};
-    use crate::format::header::Header;
-    use crate::{format::ser::Source, helpers::vector::Vec2};
-    use std::fmt::Debug;
-    use std::io::Cursor;
-
-    fn test_ser<T: PartialEq + Ser + Debug + Clone>(value: T) {
-        let mut buf = vec![];
-        Cursor::new(&mut buf).put(value.clone()).unwrap();
-        assert_eq!(value, Cursor::new(&mut buf).get().unwrap());
-    }
-
-    #[test]
-    fn simple() {
-        let mut buf = vec![];
-        Cursor::new(&mut buf).put(10usize).unwrap();
-        assert_eq!(10usize, Cursor::new(&mut buf).get().unwrap());
-    }
-    #[test]
-    fn tuple() {
-        let mut buf = vec![];
-        Cursor::new(&mut buf).put((10usize, 5u8, 3u16)).unwrap();
-        assert_eq!((10usize, 5u8, 3u16), Cursor::new(&mut buf).get().unwrap());
-    }
-    #[test]
-    fn header() {
-        test_ser(Header {
-            frame_count: 123,
-            resolution: Vec2 { x: 13, y: 37 },
-        });
-    }
-    #[test]
-    fn vec() {
-        test_ser(vec![1u16, 2, 3, 4]);
-    }
-    #[test]
-    fn array() {
-        test_ser([1u16, 2, 3, 4]);
-    }
-}
diff --git a/evc/src/frame.rs b/evc/src/frame.rs
deleted file mode 100644
index 78d0e73..0000000
--- a/evc/src/frame.rs
+++ /dev/null
@@ -1,109 +0,0 @@
-use crate::{
-    format::ser::{Sink, Source},
-    helpers::{pixel::Pixel, vector::Vec2},
-    view::View,
-};
-use std::ops::{Index, IndexMut};
-
-#[derive(Debug, Clone)]
-pub struct Frame {
-    pub size: Vec2<isize>,
-    buffer: Vec<Pixel>,
-}
-
-impl Frame {
-    pub fn new(size: Vec2<isize>) -> Self {
-        Self {
-            size,
-            buffer: (0..size.x * size.y).map(|_| Pixel::default()).collect(),
-        }
-    }
-    pub fn read(source: &mut impl Source, size: Vec2<isize>) -> anyhow::Result<Self> {
-        let mut frame = Frame::new(size);
-        for y in 0..size.y {
-            for x in 0..size.x {
-                let pixel = source.get::<Pixel>()?;
-                frame[(x, y)] = pixel;
-            }
-        }
-        Ok(frame)
-    }
-    pub fn write(&self, sink: &mut impl Sink) -> anyhow::Result<()> {
-        for y in 0..self.size.y {
-            for x in 0..self.size.x {
-                sink.put(self[(x, y)])?;
-            }
-        }
-        Ok(())
-    }
-    pub fn view<'a>(&'a self) -> View<&'a Frame> {
-        View::new(self, Vec2::<isize>::ZERO, self.size)
-    }
-    pub fn view_mut<'a>(&'a mut self) -> View<&'a mut Frame> {
-        View::new(self, Vec2::<isize>::ZERO, self.size)
-    }
-    pub fn view_area<'a>(&'a self, offset: Vec2<isize>, size: Vec2<isize>) -> View<&'a Frame> {
-        View::new(self, offset, size)
-    }
-    pub fn view_area_mut<'a>(
-        &'a mut self,
-        offset: Vec2<isize>,
-        size: Vec2<isize>,
-    ) -> View<&'a mut Frame> {
-        View::new(self, offset, size)
-    }
-    pub fn set(&mut self, pos: Vec2<isize>, color: Pixel) {
-        if pos.x >= 0 && pos.y >= 0 && pos.x < self.size.x && pos.y < self.size.y {
-            self[pos] = color
-        }
-    }
-}
-
-impl Index<Vec2<isize>> for Frame {
-    type Output = Pixel;
-    #[inline]
-    fn index(&self, Vec2 { x, y }: Vec2<isize>) -> &Self::Output {
-        &self.buffer
-            [(x.clamp(0, self.size.x - 1) + y.clamp(0, self.size.y - 1) * self.size.x) as usize]
-    }
-}
-impl IndexMut<Vec2<isize>> for Frame {
-    #[inline]
-    fn index_mut(&mut self, Vec2 { x, y }: Vec2<isize>) -> &mut Self::Output {
-        &mut self.buffer[(x + y * self.size.x) as usize]
-    }
-}
-
-impl Frame {
-    #[inline]
-    pub fn sample(&self, p: Vec2<f32>) -> Pixel {
-        self[Vec2 {
-            x: p.x as isize,
-            y: p.y as isize,
-        }]
-        // let fx = p.x.floor() as isize;
-        // let fy = p.y.floor() as isize;
-        // let cx = p.x.ceil() as isize;
-        // let cy = p.y.ceil() as isize;
-
-        // // TODO dont loose accuracy here
-        // Pixel::average(
-        //     Pixel::average(self[Vec2 { x: fx, y: fy }], self[Vec2 { x: fx, y: cy }]),
-        //     Pixel::average(self[Vec2 { x: cx, y: fx }], self[Vec2 { x: cx, y: fy }]),
-        // )
-    }
-}
-
-impl Index<(isize, isize)> for Frame {
-    type Output = Pixel;
-    #[inline]
-    fn index(&self, (x, y): (isize, isize)) -> &Self::Output {
-        &self[Vec2 { x, y }]
-    }
-}
-impl IndexMut<(isize, isize)> for Frame {
-    #[inline]
-    fn index_mut(&mut self, (x, y): (isize, isize)) -> &mut Self::Output {
-        &mut self[Vec2 { x, y }]
-    }
-}
diff --git a/evc/src/helpers/matrix.rs b/evc/src/helpers/matrix.rs
deleted file mode 100644
index 0007440..0000000
--- a/evc/src/helpers/matrix.rs
+++ /dev/null
@@ -1,33 +0,0 @@
-use crate::helpers::vector::Vec2;
-
-#[derive(Debug, Clone, Copy, PartialEq)]
-pub struct Mat2<T> {
-    pub a: T,
-    pub b: T,
-    pub c: T,
-    pub d: T,
-}
-
-impl<T: std::ops::Mul<Output = T> + std::ops::Add<Output = T> + Copy> Mat2<T> {
-    #[inline]
-    pub fn transform(&self, v: Vec2<T>) -> Vec2<T> {
-        Vec2 {
-            x: self.a * v.x + self.b * v.y,
-            y: self.c * v.x + self.d * v.y,
-        }
-    }
-}
-
-impl<T: std::ops::Mul<Output = T> + std::ops::Add<Output = T> + Copy> std::ops::Mul for Mat2<T> {
-    type Output = Mat2<T>;
-    #[inline]
-    fn mul(self, rhs: Mat2<T>) -> Mat2<T> {
-        let (x, y) = (self, rhs);
-        Mat2 {
-            a: x.a * y.a + x.b * y.c,
-            b: x.a * y.b + x.b * y.d,
-            c: x.c * y.a + x.d * y.c,
-            d: x.c * y.b + x.d * y.d,
-        }
-    }
-}
diff --git a/evc/src/helpers/mod.rs b/evc/src/helpers/mod.rs
deleted file mode 100644
index d3aa3d2..0000000
--- a/evc/src/helpers/mod.rs
+++ /dev/null
@@ -1,4 +0,0 @@
-pub mod vector;
-pub mod threading;
-pub mod matrix;
-pub mod pixel;
diff --git a/evc/src/helpers/pixel.rs b/evc/src/helpers/pixel.rs
deleted file mode 100644
index 39fe98c..0000000
--- a/evc/src/helpers/pixel.rs
+++ /dev/null
@@ -1,81 +0,0 @@
-use crate::format::ser::{Ser, Sink, Source};
-
-#[derive(Copy, Clone, Debug, Default, PartialEq)]
-pub struct Pixel {
-    pub r: u8,
-    pub g: u8,
-    pub b: u8,
-}
-
-impl Ser for Pixel {
-    fn write(&self, sink: &mut impl std::io::Write) -> anyhow::Result<()> {
-        sink.put((self.r, self.g, self.b))
-    }
-
-    fn read(source: &mut impl std::io::Read) -> anyhow::Result<Self> {
-        let (r, g, b) = source.get()?;
-        Ok(Self { r, g, b })
-    }
-}
-
-impl Pixel {
-    pub const BLACK: Pixel = Pixel { r: 0, g: 0, b: 0 };
-    #[inline]
-    pub fn distance(a: Pixel, b: Pixel) -> usize {
-        let (rd, gd, bd) = (
-            a.r.abs_diff(b.r) as usize,
-            a.g.abs_diff(b.g) as usize,
-            a.b.abs_diff(b.b) as usize,
-        );
-        // fast_sqrt(rd * rd + gd * gd + bd * bd)
-        // SQRT[rd + gd + bd]
-        rd + gd + bd
-    }
-
-    #[inline]
-    pub fn average(a: Pixel, b: Pixel) -> Pixel {
-        Pixel {
-            r: ((a.r as u16 + b.r as u16) >> 1) as u8,
-            g: ((a.g as u16 + b.g as u16) >> 1) as u8,
-            b: ((a.b as u16 + b.b as u16) >> 1) as u8,
-        }
-    }
-
-    #[inline]
-    pub fn scale(&self, factor: f32) -> Pixel {
-        Pixel {
-            r: ((self.r as f32) * factor).clamp(0.0, 255.0) as u8,
-            g: ((self.g as f32) * factor).clamp(0.0, 255.0) as u8,
-            b: ((self.b as f32) * factor).clamp(0.0, 255.0) as u8,
-        }
-    }
-}
-
-pub const SQRT: [usize; 256 * 3] = gen_sqrt_lookup();
-
-const fn gen_sqrt_lookup<const N: usize>() -> [usize; N] {
-    let mut arr = [0; N];
-    let mut i = 0;
-    while i < N {
-        arr[i] = sqrt(i as f32) as usize;
-        i += 1;
-    }
-    arr
-}
-
-const fn sqrt(x: f32) -> f32 {
-    let a = 1.0;
-    let a = (a + x / a) * 0.5;
-    let a = (a + x / a) * 0.5;
-    let a = (a + x / a) * 0.5;
-    a
-}
-
-pub fn fast_sqrt(x: usize) -> usize {
-    let a = 1;
-    let a = (a + x / (a + 1)) / 2;
-    let a = (a + x / (a + 1)) / 2;
-    // let a = (a + x / (a + 1)) / 2;
-    // let a = (a + x / (a + 1)) / 2;
-    a
-}
diff --git a/evc/src/helpers/threading.rs b/evc/src/helpers/threading.rs
deleted file mode 100644
index 3291172..0000000
--- a/evc/src/helpers/threading.rs
+++ /dev/null
@@ -1,26 +0,0 @@
-use std::{
-    sync::atomic::{AtomicUsize, Ordering},
-    thread,
-};
-
-static THREADS_RUNNING: AtomicUsize = AtomicUsize::new(0);
-
-pub fn both_par<F1, F2, O1, O2>(f1: F1, f2: F2, max_threads: usize) -> (O1, O2)
-where
-    F1: FnOnce() -> O1 + Send + 'static,
-    O1: Send + 'static,
-    F2: FnOnce() -> O2,
-{
-    if THREADS_RUNNING.load(Ordering::Relaxed) < max_threads {
-        THREADS_RUNNING.fetch_add(1, Ordering::Relaxed);
-
-        let o1h = thread::spawn(move || f1());
-        let o2 = f2();
-        let o1 = o1h.join().unwrap();
-
-        THREADS_RUNNING.fetch_sub(1, Ordering::Relaxed);
-        (o1, o2)
-    } else {
-        (f1(), f2())
-    }
-}
diff --git a/evc/src/helpers/vector.rs b/evc/src/helpers/vector.rs
deleted file mode 100644
index a4766d1..0000000
--- a/evc/src/helpers/vector.rs
+++ /dev/null
@@ -1,126 +0,0 @@
-#[derive(Clone, Copy, Debug, PartialEq, Eq, PartialOrd, Ord)]
-pub struct Vec2<T> {
-    pub x: T,
-    pub y: T,
-}
-
-impl From<Vec2<isize>> for Vec2<u16> {
-    fn from(value: Vec2<isize>) -> Self {
-        Self {
-            x: value.x as u16,
-            y: value.y as u16,
-        }
-    }
-}
-impl From<Vec2<u16>> for Vec2<isize> {
-    fn from(value: Vec2<u16>) -> Self {
-        Self {
-            x: value.x as isize,
-            y: value.y as isize,
-        }
-    }
-}
-impl From<Vec2<f32>> for Vec2<isize> {
-    fn from(value: Vec2<f32>) -> Self {
-        Self {
-            x: value.x as isize,
-            y: value.y as isize,
-        }
-    }
-}
-
-impl Vec2<isize> {
-    pub const ZERO: Vec2<isize> = Vec2 { x: 0, y: 0 };
-    pub const UP: Vec2<isize> = Vec2 { x: 0, y: -1 };
-    pub const LEFT: Vec2<isize> = Vec2 { x: -1, y: 0 };
-}
-impl Vec2<f32> {
-    pub const ZERO: Vec2<f32> = Vec2 { x: 0.0, y: 0.0 };
-    pub const UP: Vec2<f32> = Vec2 { x: 0.0, y: -1.0 };
-    pub const LEFT: Vec2<f32> = Vec2 { x: -1.0, y: 0.0 };
-}
-
-impl<T: std::ops::Div<Output = T> + Copy> Vec2<T> {
-    pub fn downscale(&self, f: T) -> Self {
-        Self {
-            x: self.x / f,
-            y: self.y / f,
-        }
-    }
-}
-
-impl<T: std::ops::Mul<Output = T> + Copy> Vec2<T> {
-    pub fn scale(&self, f: T) -> Self {
-        Self {
-            x: self.x * f,
-            y: self.y * f,
-        }
-    }
-    pub fn area(&self) -> T {
-        self.x * self.y
-    }
-}
-
-impl Vec2<isize> {
-    pub fn x_only(&self) -> Self {
-        Self { x: self.x, y: 0 }
-    }
-    pub fn y_only(&self) -> Self {
-        Self { x: 0, y: self.y }
-    }
-}
-
-impl Into<Vec2<f32>> for Vec2<isize> {
-    fn into(self) -> Vec2<f32> {
-        Vec2 {
-            x: self.x as f32,
-            y: self.y as f32,
-        }
-    }
-}
-impl From<(isize, isize)> for Vec2<f32> {
-    fn from((x, y): (isize, isize)) -> Self {
-        Vec2 {
-            x: x as f32,
-            y: y as f32,
-        }
-    }
-}
-
-impl<T: std::ops::Add> std::ops::Add for Vec2<T> {
-    type Output = Vec2<T::Output>;
-    #[inline]
-    fn add(self, rhs: Self) -> Self::Output {
-        Vec2 {
-            x: self.x + rhs.x,
-            y: self.y + rhs.y,
-        }
-    }
-}
-impl<T: std::ops::Sub> std::ops::Sub for Vec2<T> {
-    type Output = Vec2<T::Output>;
-    #[inline]
-    fn sub(self, rhs: Self) -> Self::Output {
-        Vec2 {
-            x: self.x - rhs.x,
-            y: self.y - rhs.y,
-        }
-    }
-}
-impl<T: std::ops::Mul> std::ops::Mul for Vec2<T> {
-    type Output = Vec2<T::Output>;
-    #[inline]
-    fn mul(self, rhs: Self) -> Self::Output {
-        Vec2 {
-            x: self.x * rhs.x,
-            y: self.y * rhs.y,
-        }
-    }
-}
-
-impl<T> From<(T, T)> for Vec2<T> {
-    #[inline]
-    fn from((x, y): (T, T)) -> Self {
-        Vec2 { x, y }
-    }
-}
diff --git a/evc/src/lib.rs b/evc/src/lib.rs
deleted file mode 100644
index d269471..0000000
--- a/evc/src/lib.rs
+++ /dev/null
@@ -1,13 +0,0 @@
-#![feature(box_patterns)]
-#![feature(const_fn_floating_point_arithmetic)]
-// #![feature(const_for)]
-// #![feature(const_mut_refs)]
-
-pub mod block;
-pub mod codec;
-pub mod debug;
-pub mod frame;
-pub mod view;
-pub mod refsampler;
-pub mod helpers;
-pub mod format;
diff --git a/evc/src/refsampler.rs b/evc/src/refsampler.rs
deleted file mode 100644
index 8a8f44f..0000000
--- a/evc/src/refsampler.rs
+++ /dev/null
@@ -1,51 +0,0 @@
-use crate::{
-    block::AdvancedReference,
-    format::ser::map_scalar8,
-    frame::Frame,
-    helpers::{matrix::Mat2, pixel::Pixel, vector::Vec2},
-    view::View,
-};
-
-#[derive(Debug, Clone)]
-pub struct Sampler<'a> {
-    pub view: View<&'a Frame>,
-    pub halfsize: Vec2<f32>,
-
-    pub translation: Vec2<f32>,
-    pub transform: Mat2<f32>,
-
-    pub value_scale: f32,
-}
-
-impl<'a> Sampler<'a> {
-    #[inline]
-    pub fn sample(&self, p: Vec2<f32>) -> Pixel {
-        self.view
-            .sample(self.translation + self.transform.transform(p - self.halfsize) + self.halfsize)
-            .scale(self.value_scale)
-    }
-    pub fn from_refblock(
-        view: View<&'a Frame>,
-        AdvancedReference {
-            translation,
-            transform,
-            value_scale,
-        }: &AdvancedReference,
-    ) -> Self {
-        Self {
-            transform: Mat2 {
-                a: map_scalar8(transform.a),
-                b: map_scalar8(transform.b),
-                c: map_scalar8(transform.c),
-                d: map_scalar8(transform.d),
-            },
-            halfsize: Into::<Vec2<f32>>::into(view.size).scale(0.5),
-            translation: Vec2 {
-                x: map_scalar8(translation.x),
-                y: map_scalar8(translation.y),
-            },
-            value_scale: 1.05f32.powf(*value_scale as f32),
-            view,
-        }
-    }
-}
diff --git a/evc/src/view.rs b/evc/src/view.rs
deleted file mode 100644
index 6f34965..0000000
--- a/evc/src/view.rs
+++ /dev/null
@@ -1,241 +0,0 @@
-use crate::{
-    frame::Frame,
-    helpers::{pixel::Pixel, vector::Vec2},
-    refsampler::Sampler,
-};
-use std::ops::{Index, IndexMut};
-
-#[derive(Debug, Clone)]
-pub struct View<T> {
-    pub frame: T,
-    pub offset: Vec2<isize>,
-    pub size: Vec2<isize>,
-}
-
-impl<T> View<T> {
-    pub fn new(frame: T, offset: Vec2<isize>, size: Vec2<isize>) -> Self {
-        Self {
-            frame,
-            offset,
-            size,
-        }
-    }
-    pub fn area(&self) -> isize {
-        self.size.x * self.size.y
-    }
-    pub fn center(&self) -> Vec2<isize> {
-        self.offset + self.size.downscale(2)
-    }
-}
-
-impl<T> View<&mut T> {
-    pub fn split_mut_unsafe(&mut self) -> [Self; 2] {
-        let vert = self.size.x > self.size.y;
-        [
-            Self {
-                frame: unsafe { std::mem::transmute::<&mut T, &mut T>(&mut self.frame) },
-                offset: self.offset,
-                size: if vert {
-                    Vec2 {
-                        x: self.size.x / 2,
-                        y: self.size.y,
-                    }
-                } else {
-                    Vec2 {
-                        x: self.size.x,
-                        y: self.size.y / 2,
-                    }
-                },
-            },
-            Self {
-                frame: unsafe { std::mem::transmute::<&mut T, &mut T>(&mut self.frame) },
-                offset: if vert {
-                    Vec2 {
-                        x: self.offset.x + self.size.x / 2,
-                        y: self.offset.y,
-                    }
-                } else {
-                    Vec2 {
-                        x: self.offset.x,
-                        y: self.offset.y + self.size.y / 2,
-                    }
-                },
-                size: if vert {
-                    Vec2 {
-                        x: self.size.x - self.size.x / 2,
-                        y: self.size.y,
-                    }
-                } else {
-                    Vec2 {
-                        x: self.size.x,
-                        y: self.size.y - self.size.y / 2,
-                    }
-                },
-            },
-        ]
-    }
-}
-impl<T: Copy> View<T> {
-    pub fn offset(&self, offset: Vec2<isize>) -> Self {
-        Self {
-            frame: self.frame,
-            offset: self.offset + offset,
-            size: self.size,
-        }
-    }
-    pub fn split(&self) -> [Self; 2] {
-        let vert = self.size.x > self.size.y;
-        [
-            Self {
-                frame: self.frame,
-                offset: self.offset,
-                size: if vert {
-                    Vec2 {
-                        x: self.size.x / 2,
-                        y: self.size.y,
-                    }
-                } else {
-                    Vec2 {
-                        x: self.size.x,
-                        y: self.size.y / 2,
-                    }
-                },
-            },
-            Self {
-                frame: self.frame,
-                offset: if vert {
-                    Vec2 {
-                        x: self.offset.x + self.size.x / 2,
-                        y: self.offset.y,
-                    }
-                } else {
-                    Vec2 {
-                        x: self.offset.x,
-                        y: self.offset.y + self.size.y / 2,
-                    }
-                },
-                size: if vert {
-                    Vec2 {
-                        x: self.size.x - self.size.x / 2,
-                        y: self.size.y,
-                    }
-                } else {
-                    Vec2 {
-                        x: self.size.x,
-                        y: self.size.y - self.size.y / 2,
-                    }
-                },
-            },
-        ]
-    }
-}
-impl<T: Index<Vec2<isize>, Output = Pixel>> View<&T> {
-    pub fn diff(va: &Self, vb: &Self) -> f64 {
-        assert_eq!(va.size, vb.size);
-        let mut acc = 0;
-        for x in 0..va.size.x {
-            for y in 0..va.size.y {
-                let a = va[(x, y)];
-                let b = vb[(x, y)];
-                acc += Pixel::distance(a, b);
-            }
-        }
-        acc as f64
-    }
-    pub fn diff_sampler(va: &Self, vb: &Sampler<'_>) -> f64 {
-        assert_eq!(va.size, vb.view.size);
-        let mut acc = 0;
-        for x in 0..va.size.x {
-            for y in 0..va.size.y {
-                let a = va[(x, y)];
-                let b = vb.sample(Vec2 {
-                    x: x as f32,
-                    y: y as f32,
-                });
-                acc += Pixel::distance(a, b);
-            }
-        }
-        acc as f64
-    }
-
-    pub fn pixels(&self) -> Vec<Pixel> {
-        let mut v = vec![];
-        for y in 0..self.size.y {
-            for x in 0..self.size.x {
-                v.push(self[(x, y)]);
-            }
-        }
-        v
-    }
-}
-impl View<&mut Frame> {
-    pub fn copy_from(&mut self, other: &View<&Frame>) {
-        for x in 0..self.size.x {
-            for y in 0..self.size.y {
-                self[(x, y)] = other[(x, y)];
-            }
-        }
-    }
-    pub fn copy_from_sampler(&mut self, other: &Sampler) {
-        for x in 0..self.size.x {
-            for y in 0..self.size.y {
-                self[(x, y)] = other.sample((x, y).into());
-            }
-        }
-    }
-
-    pub fn set_pixels(&mut self, pixels: &Vec<Pixel>) {
-        for y in 0..self.size.y {
-            for x in 0..self.size.x {
-                self[(x, y)] = pixels[(y * self.size.x + x) as usize]
-            }
-        }
-    }
-}
-impl View<&Frame> {
-    pub fn sample(&self, p: Vec2<f32>) -> Pixel {
-        self.frame.sample(p + self.offset.into())
-    }
-}
-
-impl<T: Index<Vec2<isize>, Output = Pixel>> Index<Vec2<isize>> for View<&T> {
-    type Output = Pixel;
-    #[inline]
-    fn index(&self, p: Vec2<isize>) -> &Self::Output {
-        &self.frame[self.offset + p]
-    }
-}
-impl<T: Index<Vec2<isize>, Output = Pixel>> Index<Vec2<isize>> for View<&mut T> {
-    type Output = Pixel;
-    #[inline]
-    fn index(&self, p: Vec2<isize>) -> &Self::Output {
-        &self.frame[self.offset + p]
-    }
-}
-impl<T: IndexMut<Vec2<isize>, Output = Pixel>> IndexMut<Vec2<isize>> for View<&mut T> {
-    #[inline]
-    fn index_mut(&mut self, p: Vec2<isize>) -> &mut Self::Output {
-        &mut self.frame[self.offset + p]
-    }
-}
-
-impl<T: Index<Vec2<isize>, Output = Pixel>> Index<(isize, isize)> for View<&T> {
-    type Output = Pixel;
-    #[inline]
-    fn index(&self, (x, y): (isize, isize)) -> &Self::Output {
-        &self[Vec2 { x, y }]
-    }
-}
-impl<T: Index<Vec2<isize>, Output = Pixel>> Index<(isize, isize)> for View<&mut T> {
-    type Output = Pixel;
-    #[inline]
-    fn index(&self, (x, y): (isize, isize)) -> &Self::Output {
-        &self[Vec2 { x, y }]
-    }
-}
-impl<T: IndexMut<Vec2<isize>, Output = Pixel>> IndexMut<(isize, isize)> for View<&mut T> {
-    #[inline]
-    fn index_mut(&mut self, (x, y): (isize, isize)) -> &mut Self::Output {
-        &mut self[Vec2 { x, y }]
-    }
-}