2011-05-XX - XXXXXX - lavfi 2.6.0 - avcodec.h
Add avfilter_get_video_buffer_ref_from_frame() to libavfilter/avcodec.h.
+2011-05-28 - 0420bd7 - lavu 51.2.0 - pixdesc.h
+ Add av_get_pix_fmt_name() in libavutil/pixdesc.h, and deprecate
+ avcodec_get_pix_fmt_name() in libavcodec/avcodec.h in its favor.
+
2011-05-25 - 30315a8 - lavf 53.1.0 - avformat.h
Add fps_probe_size to AVFormatContext.