Function gst::ffi::gst_video_convert_sample_async

pub unsafe extern "C" fn gst_video_convert_sample_async(
    sample: *mut GstSample, 
    to_caps: *const GstCaps, 
    timeout: GstClockTime, 
    callback: GstVideoConvertSampleCallback, 
    user_data: gpointer, 
    destroy_notify: GDestroyNotify
)