API changes, most recent first:
+2010-02-07 - r21673 - lavu 50.9.0 - av_compare_ts()
+ Add av_compare_ts().
+
+2010-02-05 - r30513 - lsws 0.10.0 - sws_getCoefficients()
+ Add sws_getCoefficients().
+
+2010-02-01 - r21587 - lavf 52.50.0 - metadata API
+ Add a list of generic tag names, change 'author' -> 'artist',
+ 'year' -> 'date'.
+
+2010-01-30 - r21545 - lavu 50.8.0 - av_get_pix_fmt()
+ Add av_get_pix_fmt().
+
+2010-01-21 - r30381 - lsws 0.9.0 - sws_scale
+ Change constness attributes of sws_scale() parameters.
+
+2010-01-10 - r21121 - lavfi 1.15.0 - avfilter_graph_config_links()
+ Add a log_ctx parameter to avfilter_graph_config_links().
+
2010-01-07 - r30236 - lsws 0.8.0 - sws_isSupported{In,Out}put
- Add sws_isSupportedInput and sws_isSupportedOutput() functions.
+ Add sws_isSupportedInput() and sws_isSupportedOutput() functions.
2010-01-06 - r21035 - lavfi 1.14.0 - avfilter_add_colorspace()
Change the avfilter_add_colorspace() signature, make it accept an