+2017-08-08 - xxxxxxx - lavu 55.74.100 - pixdesc.h
+ Add AV_PIX_FMT_FLAG_FLOAT pixel format flag.
+
+2017-08-08 - xxxxxxx - lavu 55.72.100 - imgutils.h
+ Add av_image_fill_black().
+
+2017-08-08 - xxxxxxx - lavu 55.71.100 - frame.h
+ Add av_frame_apply_cropping().
+
+2017-07-25 - 24de4fddca - lavu 55.69.100 - frame.h
+ Add AV_FRAME_DATA_ICC_PROFILE side data type.
+
+2017-xx-xx - xxxxxxx - lavc 57.100.100 - avcodec.h
+ DXVA2 and D3D11 hardware accelerated decoding now supports the new hwaccel API,
+ which can create the decoder context and allocate hardware frame automatically.
+ See AVCodecContext.hw_device_ctx and AVCodecContext.hw_frames_ctx. For D3D11,
+ the new AV_PIX_FMT_D3D11 pixfmt must be used with the new API.
+
+2017-xx-xx - xxxxxxx - lavu 56.67.100 - hwcontext.h
+ Add AV_HWDEVICE_TYPE_D3D11VA and AV_PIX_FMT_D3D11.
+
+2017-06-24 - xxxxxxx - lavf 57.75.100 - avio.h
+ Add AVIO_DATA_MARKER_FLUSH_POINT to signal preferred flush points to aviobuf.
+
+2017-06-14 - xxxxxxx - lavu 55.66.100 - hwcontext.h
+ av_hwframe_ctx_create_derived() now takes some AV_HWFRAME_MAP_* combination
+ as its flags argument (which was previously unused).
+