2012-01-24 - xxxxxxx - lavfi 2.60.100
Add avfilter_graph_dump.
+2012-xx-xx - lavc 54.8.0
+ xxxxxxx Add av_get_exact_bits_per_sample()
+ xxxxxxx Add av_get_audio_frame_duration()
+
+2012-03-xx - xxxxxxx - lavc 54.7.0 - avcodec.h
+ Add av_codec_is_encoder/decoder().
+
+2012-xx-xx - xxxxxxx - lavc 54.3.0 - avcodec.h
+ Add av_packet_shrink_side_data.
+
+2012-xx-xx - xxxxxxx - lavf 54.2.0 - avformat.h
+ Add AVStream.attached_pic and AV_DISPOSITION_ATTACHED_PIC,
+ used for dealing with attached pictures/cover art.
+
2012-02-25 - c9bca80 - lavu 51.24.0 - error.h
Add AVERROR_UNKNOWN