Man / VIDEO FILTERS / uspp



uspp[=quality[:qp]]

超シンプル&遅いポストプロセスフィルタ。

<quality>

品質を0から8で指定。(デフォルトは3)

<qp>

量子力学パラメータ(デフォルトは0 動画によりQPを使う)。

原文

Ultra simple & slow postprocessing filter that compresses and decompresses the image at several (or - in the case of quality level 8 - all) shifts and averages the results. The way this differs from the behavior of spp is that uspp actually encodes & decodes each case with libavcodec MPEG-4, whereas spp uses a simplified intra only 8x8 DCT similar to MJPEG.

<quality>

0-8 (default: 3)

<qp>

Force quantization parameter (default: 0, use QP from video).




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