let Some(ff) = ffmpeg() else { return };

let Some(path) = std::env::var_os("AV1_IVF") else { return };

let path = std::path::PathBuf::from(path);

let pics = decode_all(&path).unwrap();

let pix = pix_fmt_for(&pics[0]).to_string();

let raw = reference(&ff, &path, &pix);

let per = picture_samples(&pics[0]);

println!("{} pictures, reference has {} frames", pics.len(), raw.len() / per);

for (i, p) in pics.iter().enumerate() {

if (i + 1) * per > raw.len() {

break;

}

let (first, count) = compare(p, &raw[i * per..(i + 1) * per]);

println!("frame {i}: {} mismatches, first {:?}", count, first);

}