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
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