API changes, most recent first:
+2010-08-07 - r24728 - lavfi 1.28.0 - AVFilterBuffer
+ Move format field from AVFilterBuffer to AVFilterPicRef.
+
2010-08-06 - r24709 - lavcore 0.3.0 - av_check_image_size()
Deprecate avcodec_check_dimensions() in favor of the function
av_check_image_size() defined in libavcore/imgutils.h.