continue. Any other return value should be returned from the render vmethod.
BaseSink.doPreroll
gst.types.FlowReturn doPreroll(gst.mini_object.MiniObject obj)If the sink spawns its own thread for pulling buffers from upstream it should call this method after it has pulled a buffer. If the element needed to preroll, this function will perform the preroll and will then block until the element state is changed.
This function should be called with the PREROLL_LOCK held.
Parameters
obj | the mini object that caused the preroll |
Returns
gst.types.FlowReturn.Ok if the preroll completed and processing can