1 files changed, 63 insertions, 0 deletions
diff --git a/old/evc/src/bin/decode.rs b/old/evc/src/bin/decode.rs
new file mode 100644
index 0000000..fbf5624
--- /dev/null
+++ b/old/evc/src/bin/decode.rs
@@ -0,0 +1,63 @@
+#![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(())
+}