Dubbed Feynman, FFmpeg 2.8 comes with a wide variety of new features, among which we can mention a BFSTM and BCSTM demuxer, Hap decoder and encoder, a ssim filter, a colorkey video filter, a showvolume filter, support for Go2Meeting decoding, a removegrain video filter, a libkvazaar HEVC encoder, and a deband filter. Furthremore, the new FFmpeg version adds an optional ASF demuxer, supports AAC fixed-point decoding, and implements VAAPI and VDPAU hevc hwaccel.