FFmpeg/vsynth_lena-dnxhd-1080i at 86c92509231f67a2397f0d98530e5dca1720d1f3 - FFmpeg - Gitea: Git with a cup of tea

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Christophe Gisquet c7e14a279f dnxhddec: use dequantization formula from specs

The current one, while correct, does not yield the best possible
results. The specificiations suggest another formula, which results
in quality gains in the decoded output from fate tests. This
justifies changing said formula.

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

2015-10-02 18:08:36 +02:00

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 f7412afbcb4454692f7492f6710189e3 *tests/data/fate/vsynth_lena-dnxhd-1080i.mov
 3031911 tests/data/fate/vsynth_lena-dnxhd-1080i.mov
 d0ca92f12711535d57eff3609462b31 *tests/data/fate/vsynth_lena-dnxhd-1080i.out.rawvideo
 stddev:    1.29 PSNR: 45.87 MAXDIFF:   22 bytes:  7603200/   760320