Xvid (formerly "XviD") is a video codec library following the MPEG-4 standard, specifically MPEG-4 Part 2 Advanced Simple Profile (ASP).
It applies ASP features specified b-frames, worldwide and quarter pixel motion recompense, lumi masking, treillage quantisation, and H.263, MPEG and customized quantization matrices.
It applies ASP features specified b-frames, worldwide and quarter pixel motion recompense, lumi masking, treillage quantisation, and H.263, MPEG and customized quantization matrices.