Original commit message from CVS:
2005-12-22 Philippe Khalaf <burger@speedy.org>
* gst-plugins-good/gst/rtp/gstrtph263pdepay.h:
* gst-plugins-good/gst/rtp/gstrtph263pdepay.c:
* gst-plugins-good/gst/rtp/gstrtpmp4vdepay.h:
* gst-plugins-good/gst/rtp/gstrtpmp4vdepay.c:
Making these depayloaders (H263+ and mpeg4 video) inherit from
RtpBaseDepayloaderClass. Fixes bugs #323922 and #323908.