WIP: videodecoder: Ensure current frame is not NULL before drain out
Subclass might want to output new frame on
GstVideoDecoder::drain or GstVideoDecoder::finish. So current frame
should be prepared for the subclass.Edited by Tim-Philipp Müller
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Subclass might want to output new frame on
GstVideoDecoder::drain or GstVideoDecoder::finish. So current frame
should be prepared for the subclass.