API changes, most recent first:
+2015-xx-xx - lavu 54.31.100 - pixfmt.h
+ Add a unique pixel format for VA-API (AV_PIX_FMT_VAAPI) that
+ indicates the nature of the underlying storage: a VA surface. This
+ yields the same value as AV_PIX_FMT_VAAPI_VLD.
+ Deprecate old VA-API related pixel formats: AV_PIX_FMT_VAAPI_MOCO,
+ AV_PIX_FMT_VAAPI_IDCT, AV_PIX_FMT_VAAPI_VLD.
+
+2015-xx-xx - lavu 54.30.0
+ xxxxxxx - Add av_blowfish_alloc().
+ xxxxxxx - Add av_rc4_alloc().
+ xxxxxxx - Add av_xtea_alloc().
+ xxxxxxx - Add av_des_alloc().
+
2015-xx-xx - lavc 56.35.0 - avcodec.h
xxxxxxxxx - Rename CODEC_FLAG* defines to AV_CODEC_FLAG*.
xxxxxxxxx - Rename CODEC_CAP_* defines to AV_CODEC_CAP_*.