pub fn encode_uyvy(bgra: &[u8], w: i32, h: i32) -> Vec<u8> ⓘExpand description
Encode BGRA pixels to UYVY (YUV 4:2:2 packed, 2 bytes per pixel).
Layout per 2-pixel pair: [Cb_avg, Y0, Cr_avg, Y1].
Chroma values are averaged across the pair. Uses BT.601 colour conversion.