Backport of "audioconvert, audioresample, audiofilter: fix divide by 0 for input buffer without caps" into 1.20
requested to merge tpm/gstreamer:backport-mr-3469-into-1.20-audiofilter-buffer-without-caps into 1.20
Backport of !3469 (merged) "audioconvert, audioresample, audiofilter: fix divide by 0 for input buffer without caps".
Commits:
- dec3aa55 audioconvert, audioresample, audiofilter: fix divide by 0 for input buffer without caps