Function gst_
Source pub unsafe extern "C" fn gst_buffer_add_gl_sync_meta(
    context: *mut GstGLContext,
    buffer: *mut GstBuffer,
) -> *mut GstGLSyncMetapub unsafe extern "C" fn gst_buffer_add_gl_sync_meta(
    context: *mut GstGLContext,
    buffer: *mut GstBuffer,
) -> *mut GstGLSyncMeta