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16bitでの縮小と8bitでの縮小

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Aug 10th, 2017
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  1. AviSynth+ 0.1 (r2506, MT, i386)
  2. AVSMeter 2.5.8 (x86)
  3.  
  4. Operating system: Windows 10 (x64) (Build 14393)
  5. CPU brand string: Intel(R) Core(TM) i7-4702MQ CPU @ 2.20GHz
  6. CPU features: MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, AVX, AVX2, FMA3, MOVBE, POPCNT, AES, F16C
  7.  
  8. ■入力ファイル
  9. Number of frames: 2157
  10. Length (hh:mm:ss.ms): 00:01:29.965
  11. Frame size: 1920 x 1080
  12. Framerate: 23.976 (24000/1001)
  13. Colorspace: i420
  14.  
  15. ■スクリプト
  16.  
  17.  LSMASHVideoSource(inputfile)
  18.  
  19. --16bit処理--
  20.  Dither_convert_8_to_16()
  21.  Dither_resize16nr(704,480,kernel="Spline",taps=6,noring=true)、
  22.  f3kdb(range=15,Y=56,Cb=40,Cr=40,grainY=0,grainC=0,keep_tv_range=true, \
  23.  input_mode=1,input_depth=16,output_mode=1,output_depth=16,random_algo_ref=2,random_algo_grain=2)
  24.  DitherPost(mode=6)
  25.  
  26. --8bit処理--
  27.  Spline36Resize(704,480)
  28.  f3kdb(range=15,Y=56,Cb=40,Cr=40,grainY=0,grainC=0,keep_tv_range=true, \
  29.  input_mode=0,input_depth=8,output_mode=0,output_depth=8,random_algo_ref=2,random_algo_grain=2)
  30.  
  31. ■AVSMeterでの比較
  32.  
  33. --16bit--
  34.  FPS (min | max | average): 50.12 | 109.1 | 94.19
  35.  Memory usage (phys | virt): 174 | 177 MiB
  36.  Thread count: 29
  37.  CPU usage (average): 73%
  38.  Time (elapsed): 00:00:22.900
  39.  
  40. --8bit--
  41.  Frames processed: 2157 (0 - 2156)
  42.  FPS (min | max | average): 54.90 | 128.7 | 117.7
  43.  Memory usage (phys | virt): 132 | 131 MiB
  44.  Thread count: 22
  45.  CPU usage (average): 36%
  46.  Time (elapsed): 00:00:18.319
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