【cn-stem】正确配置potplayer播放HDR视频。Properly setup potplayer to play HDR video on ordinary displayer.

in cn •  2 months ago  (edited)

最近很多之前的院线大片在网上都出现了高清视频,像《战斗天使阿丽塔》《复仇者联盟4》这些。这些片子都很精彩,有的在影院看过,现在想重温一下,有的因为各种原因没有机会第一时间去影院一饱眼福。就正好下载下来看看。不过好不容易从网上下载下来的高清版,在电脑上播放起来颜色却是怪怪的,比如下面这张《复仇者联盟4》的截图:

screenshot1

图一:没有正确播放的HDR视频 作者:cheva 来源:本人电脑截图。

可以看出画面整体惨白惨白的,好像蒙上了一层雾,颜色也不鲜明,接近黑白电影。难道我下的是枪版?其实我错怪压制组了,人家压得比高清更高级的HDR视频。

什么是HDR呢?HDR就是高动态范围光照的意思。这么说有点卖关子。通俗说高动态范围就是可以显示更多亮度层次,比如你用普通模式拍一个山洞,山洞里面是黑漆漆的,照片上什么也显示不出来。如果你用HDR模式拍摄,那么原来黑漆漆的山洞里面也会显示出细节。也就是说HDR能够带来更真实,更丰富的视觉体验。但是前提条件是你得有一个支持HDR的显示设备。如果你得显示设备不支持,你就会看到我上面截图的那种完全不真实,还比不上枪版的画面效果。

那么现阶段,这种HDR视频是否就仅仅是土豪专享呢?其实也不完全是,如果我们正确配置播放软件也是可以获得比高清更高的视觉体验。虽然不能完全和专用的HDR设备相提并论。

其实窍门很简单:我经常用来播高清的potplayer已经内置了解决方案,只是不太起眼。如果你播放的是HDR视频,它就会在下方显示一个HDR小按钮。只要激活它,你就可以在普通显示器上看到色彩丰富,通透的完美画质了。如下图:

screenshot2


图二:激活HDR解码功能,享受色彩通透、艳丽的画质 作者:cheva 来源本人电脑截图



Posted from my blog with SteemPress : http://cnstm.org/blog/2019/08/05/%e3%80%90cn-stem%e3%80%91%e6%ad%a3%e7%a1%ae%e9%85%8d%e7%bd%aepotplayer%e6%92%ad%e6%94%behdr%e8%a7%86%e9%a2%91%e3%80%82properly-setup-potplayer-to-play-hdr-video-on-ordinary-displayer/
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