def createVideoDDS(self, ddobj, size=None):
if self._rect is None:
return
if size is not None:
w, h = size
else:
w, h = self._rect[2:]
if ddobj is None:
intefacePtr = Qt.GetDDObject()
if intefacePtr:
ddobj = ddraw.CreateDirectDrawWrapper(intefacePtr)
if ddobj:
self._ddobj = ddobj
ddsd = ddraw.CreateDDSURFACEDESC()
ddsd.SetFlags(ddraw.DDSD_WIDTH | ddraw.DDSD_HEIGHT
| ddraw.DDSD_CAPS)
ddsd.SetCaps(ddraw.DDSCAPS_OFFSCREENPLAIN)
ddsd.SetSize(w, h)
self._dds = ddobj.CreateSurface(ddsd)
Qt.SetDDObject(self._ddobj)
Qt.SetDDPrimarySurface(self._dds)
self._movie.SetMovieBox((0, 0, w, h))
self._movie.SetMovieActive(1)
