Sets the given chain function for the pad. The chain function is called to process a gstreamer.Buffer input buffer. see GstPadChainFunction for more details.
the GstPadChainFunction to set.
user_data passed to notify
notify called when chain will not be used anymore.
Sets the given chain function for the pad. The chain function is called to process a gstreamer.Buffer input buffer. see GstPadChainFunction for more details.