SplitView

Visual comparison of videos. Get the source.
Your browser does not support the VP9 video codec. The following browsers are supported and known to support VP9:
Your browser does not support the H.264 video codec. The following browsers are supported and known to support H.264:

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Split View mode 1
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Horizontal View mode 3
Left View mode 4
Right View mode 5

Encoding parameters used

  • VP9: 
    vpxenc --codec=vp9 --good --cpu-used=0 --kf-max-dist=50 --target-bitrate=XXX in.y4m --output=out.webm
  • H.264: 
    x264 --preset placebo --pass 1 --keyint 50 --bitrate XXX in.y4m --output out.mp4
x264 --preset placebo --pass 3 --keyint 50 --bitrate XXX in.y4m --output out.mp4
# repeat until the bitrate matches the one in the VP9 file
x264 --preset placebo --pass 3 --keyint 50 --bitrate XXX in.y4m --output out.mp4