code: def video_set_callbacks(self, lock, unlock, display, opaque):
          '''Set callbacks and private data to render decoded video to a custom area
          in memory.
          Use L{video_set_format}() or L{video_set_format_callbacks}()
          to configure the decoded format.
          @param lock: callback to lock video memory (must not be NULL).
          @param unlock: callback to unlock video memory (or NULL if not needed).
          @param display: callback to display video (or NULL if not needed).
          @param opaque: private pointer for the three callbacks (as first parameter).
          @version: LibVLC 1.1.1 or later.
          '''
          return libvlc_video_set_callbacks(self, lock, unlock, display, opaquef video_set_callbacks(self, lock, unlock, display, opaque):
          '''Set callbacks and private data to render decoded video to a custom area
          in memory.
          Use L{video_set_format}() or L{video_set_format_callbacks}()
          to configure the decoded format.
          @param lock: callback to lock video memory (must not be NULL).
          @param unlock: callback to unlock video memory (or NULL if not needed).
          @param display: callback to display video (or NULL if not needed).
          @param opaque: private pointer for the three callbacks (as first parameter).
          @version: LibVLC 1.1.1 or later.
          '''
          return libvlc_video_set_callbacks(self, lock, unlock, display, opaque)
docs: Set callbacks and private data to render decoded video to a custom area
          in memory.
          Use L{video_set_format}() or L{video_set_format_callbacks}()
          to configure the decoded format.
          @param lock: callback to lock video memory (must not be NULL).
          @param unlock: callback to unlock video memory (or NULL if not needed).
          @param display: callback to display video (or NULL if not needed).
          @param opaque: private pointer for the three callbacks (as first parameter).
          @version: LibVLC 1.1.1 or later.