Function av_image_copy_to_buffer

pub unsafe extern "C" fn av_image_copy_to_buffer(
    dst: *mut u8,
    dst_size: c_int,
    src_data: *const *const u8,
    src_linesize: *const c_int,
    pix_fmt: AVPixelFormat,
    width: c_int,
    height: c_int,
    align: c_int,
) -> c_int