Function rsmpeg::ffi::avcodec_find_best_pix_fmt_of_2

pub unsafe extern "C" fn avcodec_find_best_pix_fmt_of_2(
    dst_pix_fmt1: i32, 
    dst_pix_fmt2: i32, 
    src_pix_fmt: i32, 
    has_alpha: i32, 
    loss_ptr: *mut i32
) -> i32

@deprecated see av_find_best_pix_fmt_of_2()