Function gstreamer_video_sys::gst_buffer_add_video_region_of_interest_meta

pub unsafe extern "C" fn gst_buffer_add_video_region_of_interest_meta(
    buffer: *mut GstBuffer, 
    roi_type: *const c_char, 
    x: c_uint, 
    y: c_uint, 
    w: c_uint, 
    h: c_uint
) -> *mut GstVideoRegionOfInterestMeta