The best replacement for vdpau is vaapi.

The best alternatives to vdpau are rated as following:
★★★★★  vaapi
★★★★  dxva
★★★★  xv
★★  xvba

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Speaking about vdpau, one probably shouldn't forget about vaapi.

Other search terms related to vdpau and their ratings are:
★★★★★ vaapi
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Google Trends

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vdpau
vaapi
dxva