We wrote WebP in C -- in the creative phase of codec and format development I kept it in C++, the feasibility proto was initially launched in C++ (perhaps 0.2 v

We wrote WebP in C -- in the creative phase of codec and format development I kept it in C++, the feasibility proto was initially launched in C++ (perhaps 0.2 version of the lossless coding, late 2011), but I ported it to C a few months after that and handed it over to the WebP production team (early 2012) who kept making improvements like streaming decoding