Fix the rounding of y in RGB-to-YCbCr conversion

kornelski / cavif-rs

AVIF image creator in pure Rust

https://lib.rs/cavif

BSD 3-Clause "New" or "Revised" License

570 stars 27 forks source link

Closed wantehchang closed 2 years ago

wantehchang commented 2 years ago

y should be rounded after being used in the calculation of cb and cr. This matches Equations 38 to 40 in H.273.

kornelski commented 2 years ago

Thanks