API changes, most recent first:
+2014-06-10 - xxxxxxx - lavf 55.43.100 - avformat.h
+ New field int64_t max_analyze_duration2 instead of deprecated
+ int max_analyze_duration.
+
+2014-05-30 - xxxxxxx - lavu 52.89.100 - opt.h
+ Add av_opt_copy()
+
+2014-04-xx - xxxxxxx - lavc 55.54.0 - avcodec.h
+ Add AVCodecContext.side_data_only_packets to allow encoders to output packets
+ with only side data. This option may become mandatory in the future, so all
+ users are recommended to update their code and enable this option.
+
+2014-xx-xx - xxxxxxx - lavu 53.16.0 - frame.h, pixfmt.h
+ Move all color-related enums (AVColorPrimaries, AVColorSpace, AVColorRange,
+ AVColorTransferCharacteristic, and AVChromaLocation) inside lavu.
+ And add AVFrame fields for them.
+
+2014-04-xx - xxxxxxx - lavr 1.3.0 - avresample.h
+ Add avresample_max_output_samples
+
+2014-05-24 - xxxxxxx - lavf 55.19.0 - avformat.h
+ Add strict_std_compliance and related AVOptions to support experimental
+ muxing.
+
2014-05-26 - xxxxxxx - lavu 52.87.100 - threadmessage.h
Add thread message queue API.