Constant rsmpeg::ffi::AVPixelFormat_AV_PIX_FMT_YUVA420P9LE

pub const AVPixelFormat_AV_PIX_FMT_YUVA420P9LE: i32 = 83;

< planar YUV 4:2:0 22.5bpp, (1 Cr & Cb sample per 2x2 Y & A samples), little-endian