2012-03-26 - a67d9cf - lavfi 2.66.100
Add avfilter_fill_frame_from_{audio_,}buffer_ref() functions.
+2012-08-03 - xxxxxxx - lavu 51.37.1 - cpu.h
+ lsws 2.1.1 - swscale.h
+ Rename AV_CPU_FLAG_MMX2 ---> AV_CPU_FLAG_MMXEXT.
+ Rename SWS_CPU_CAPS_MMX2 ---> SWS_CPU_CAPS_MMXEXT.
+
2012-07-xx - xxxxxxx - lavf 54.13.0 - avformat.h
Add AVFMT_FLAG_NOBUFFER for low latency use cases.