Constant rsmpeg::ffi::AVPixelFormat_AV_PIX_FMT_YUV420P12LE

pub const AVPixelFormat_AV_PIX_FMT_YUV420P12LE: i32 = 125;

< planar YUV 4:2:0,18bpp, (1 Cr & Cb sample per 2x2 Y samples), little-endian