2013-01-17 - a1a707f - lavf 54.61.100
Add av_codec_get_tag2().
+2013-01-01 - 2eb2e17 - lavfi 3.34.100
+ Add avfilter_get_audio_buffer_ref_from_arrays_channels.
+
2012-12-20 - 34de47aa - lavfi 3.29.100 - avfilter.h
Add AVFilterLink.channels, avfilter_link_get_channels()
and avfilter_ref_get_channels().
2012-03-26 - a67d9cf - lavfi 2.66.100
Add avfilter_fill_frame_from_{audio_,}buffer_ref() functions.
+2013-xx-xx - xxxxxxx - lavu 52.7.0 - dict.h
+ Add av_dict_parse_string() to set multiple key/value pairs at once from a
+ string.
+
+2013-01-xx - xxxxxxx - lavu 52.6.0 - avstring.h
+ Add av_strnstr()
+
2013-01-xx - xxxxxxx - lavu 52.5.0 - hmac.h
Add AVHMAC.