Function gst_codec_utils_h264_get_level_limits 

pub unsafe extern "C" fn gst_codec_utils_h264_get_level_limits(
    width: c_int,
    height: c_int,
    fps_n: c_int,
    fps_d: c_int,
    bitrate: c_uint,
    max_dec_frame_buffering: c_uint,
    profile_idc: u8,
) -> *const GstH264LevelLimits