Optimized Implementations of Emerging H . 26 L Video Decoder on Pentium III

  title={Optimized Implementations of Emerging H . 26 L Video Decoder on Pentium III},
  author={Ville Lappalainen and Antti Hallapuro and Timo H{\"a}m{\"a}l{\"a}inen}
This paper presents two optimized implementations of the emerging H.26L video decoder on Pentium III. The first version is implemented in C, while the second implementation makes use of MMX assembly instructions. Comparisons to a correspondingly optimized H.263/H.263+ decoder are given with fixed bit rate and temporal video quality and variable spatial video quality and complexity. Compared to H.263, the decoding complexity increases only 1.3 times, while significant average PSNR improvements… CONTINUE READING


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