Windows10/11可以通过PotPlayer+madVR+LAVFilters免费实现,播放出HDR10、HLG显示效果。本教程傻瓜化,看起来很容易,操作起来一点不难。
一.安装Potplayer播放器
1、下载Potplayer.exe
2、安装完成时记得勾选安装额外编解码器opencodec
,Potplayer 会自动下载编解码器。
3、下载好的编解码器要全部勾选,下一步
至此,Potplayer已安装完成。
二. 安装LAV Filters解码器
1、管网GitHub下载地址,蓝奏云下载地址
2、至少要选择视频解码器LAV Video (x64)
,其他项根据需要选择
三. 安装madVR渲染器
1、蓝奏云下载地址
2、将解压缩的madVR文件夹放到Potplayer安装目录下,防止被误删。然后右键
点击install.bat
,选择以管理员身份运行
,完成madVR的安装。
四. Potplayer播放器的设置
1、启动PotPlayer后,按下 F5
打开选项
窗口。点击滤镜
,关闭Potplayer内置图像滤镜。
这样做防止Potplayer对视频进行负优化。例如播放10bit视频,不关闭内置滤镜,数据在传递给madVR前已经从10bit砍成8bit损失精度,madVR内部再怎么精度高也是白搭。
2、点击滤镜
->全局滤镜优先权
->添加系统滤镜
。找到 LAV Video Decoder
和 madVR
,并添加,最后设置强制使用。
3. 随便播放一个视频进行测试
按 Tab 键即可看视频的解码和渲染是不是 LAV 和 MADVR,如果是的话就说明设置正确了。同时帧率也有显著提升。(亲测帧率高了之后看电影非常丝滑,转场画面没有原先的卡顿感了)
五、madVR简易设置
1. 我们双击
任务栏右下方的madVR
控制面板,进入设置菜单。(没看到的话就去运行 madVR 文件夹里的 madHcCtrl.exe
)
2. 在devices
这个选项中,不论使用的是显示器还是电视,一律选择Digital Monitor/TV
。
3. 打开设备下的properties
选项。
- 如果使用显示器,第一项 RGB 范围选择 0-255。如果是连接电视机,则选择 16-255。(这个还是比较测试下,我接电视反而感觉选 0-255 效果更好)
- 第二项是色深。一般选择 8bit。如果显示器或者电视能达到 10bit 或更高,则选择 10bit。
六、madVR的高级设置技巧
1. processing菜单
(1)deinterlacing 选项,对应的是图像交错处理。
- 建议在最上面的选项打勾,让视频需要进行图像交错的时候交给madVR自己去处理,并且在怀疑时不启动交错处理。 如果常看动漫的,可以去掉“only look at pixels in the frame center”勾选。
关于“only look at pixels in the frame center”: “only look at pixels in the frame center”这个选项只对film型式的交错式(隔行扫描interlaced)影片有影响,也就是说这选项在启动madVR的film mode时才有作用(文后有解释) 我们知道对于这类影片必须对其作IVTC让它还原成24p(60i→24p),但实际上我们有时候会发现录了一部电视播放的电影或动画下来,电视台常常在四边打上跑马灯或台标之类的东西,而这个跑马灯或台标却是video型式的interlaced讯号(真正的60i 无法IVTC),因此我们要作IVTC时如果是对整个画面的像素作侦测,遇到这种情形时就很容易产生误判。因此勾选这个选项时就只会对画面中央部分的像素 作侦测,避开那些跑马灯或台标可能出现的位置以免作IVTC时产生误判,但缺点就是这样侦测的效率较低,遇到动画这类常常有静止画面的影片在侦测是哪一类 pulldown时就会花比较久的时间。如果会看电视台播放的电影或动画的话,建议勾选此选项,如果是看DVD原盘的话,则建议取消勾选。 这选项对progressive的影片完全没有影响,如果照字面理解为这选项不利于动画的话那是错误的理解,因为很多动画片源只要是蓝光或是录制下来压制时做过IVTC的,都会是progressive而非interlaced。电视台录制下来的原始TS档或是DVD原盘才有可能是interlaced。
(2)arifact removal 选项,对应的是图像去色阶功能。
在普通的视频中,我们经常会看到人物的脸上,或者不同颜色的交界处有淡淡的光晕和条纹,这就是没有去掉色阶。而我们的目的就是让图像的颜色过渡更加自然,让条纹现象减少甚至消失。(这个选项会占用一些 GPU 资源,但开启无压力。)
- 第一个选项是整体画面的去色阶效果。一般选择 low 就会有不错的效果。
- 第二个选项是不同颜色交界处去色阶效果。可以选择 high。
2. scaling algorithms菜单
这个是最关键的图像缩放算法的设置,这部分是影响效能最大也是影响画质表现最明显的地方,也是madVR的最大特色。
- 里面4个页面的内容基本类似。让用户选择的东西都是各种图像缩放模式,而不同的模式所消耗的性能也是不同的,基本上从上到下,性能消耗是越来越大,用户要根据自己的配置来考虑。
- 每个页面的设置主要都是为了解决视频图像中的锯齿(aliasing)和振铃效应(ringing)。
- 根据选择的不同,右上角会有效果介绍。绿条一般越长也越好。红条则是越低越好。
(1)chroma upscaling:色度拉升
即色度平面放大。不过色度拉伸的算法比较难感受到差别。
- 如果配置好的话就设置是
NGU
Anti-Alias, high quality
(这里开到 very high qulity 以上几乎没什么意义,肉眼分辨不出)
- 如果显卡中等的话,可以设置
Jinc
+activate anti-inging filter
- 如果显卡不太好的话,则可设置
Cubic
Bicubic75
+activate anti-inging filter
- 如果是 Intel 集显得话,则可设置
Cubic
SoftCubic60
+activate anti-inging filter
(2)image downscaling:影像缩放
只要输出分辨率小于原始分辨率就会用到这部分的算法,比如 4K 分辨率的视频在 1080P 显示器上播放。
- 如果电脑配置特别高的话,还可以考虑下使用
SSIM 1D -strength: 100%
。SSIM 是目前表现最好的算法,在缩小画面的同时很好的保留了原解析度的细节跟锐利度,不过效能消耗也比较大。
- 如果显卡跑不动 SSIM 的话,可以考虑
Cubic
(Bicubic 150
)+activate anti-ringing filter
+scale in linear light
- 如果显卡还是不给力,那就使用
Cubic
(Catmull-Rom
)+activate anti-ringing filter
+scale in linear light
,这个也算是公认的最佳演算法组合(resize 后最接近原本的画面)
(3)image upscaling:影像拉升
也就是影像放大,只要输出目标分辨率大于原始分辨率就会用到这部分的算法,比如 1080P 分辨率的视频在 4K 显示器上播放。 在这里我们可选择使用 doubling(影像翻倍)或 upscaling(影像拉升)。前者效果比后者好很多,所以说能开的话还是开一下吧。(当然如果显卡不是很好的话,就不要使用 doubling 了)
- 对显卡很有自信的可以开
NGU Anti-Alias
,同时下拉框设置为下图所示。
这里注意第四个下拉框(activate doubling)的选项:
- 我们这里选择的是
... always -supersampling
,表示始终启用 NGU 进行翻倍。- 而原来默认的
let madVR decide
表示目标分辨率的宽或高大于或等于原始分辨率 1.2 倍时才启用 NGU,沒达到 1.2 倍启用条件的话则会使用Jinc
+activate anti-ringing filter
替代。
- 如果上面的设置有些吃力的话,可以把第一个下拉框(
luma doubling
)的选项调成medium
。 - 如果配置中等的话,还是建议设置为 upscaling 下的
Jinc
+activate anti-ringing filter
。 - 显卡吃不消的可以考虑:
Lanczos 4
+activate anti-ringing filter
(HD4600 等级集显)甚至是Cubic
Bicubic60
+activate anti-ringing filter
(HD4000 等级集显)。
(4)upscaling refinement:锐化算法
目的是在于改善放大运算后造成的模糊,只在视频放大后使用。
七、常见问题
1. 播放视频的时候会间歇性黑屏?
故障现象:Potplayer 播放视频的时候,时不时会自动在 windowed 和 exclusive 之间来回切换(视频左上角会出现切换字样)。这样每次切换整个界面就会黑一下。
问题原因:madVR默认就是用全屏独占模式(exclusive)。虽然这种模式有它的好处,但如果电脑配置不够就会出现上面的问题。只要将其关闭即可。
解决办法:打开madVR的设置页面。“rendering”->“general settings”选择中,去掉“enable automatic fullscreen exclusive mode”的勾选。
2. 如何判断设置是否适用于我的电脑配置
在播放不卡顿的前提下,我们选择尽量高的设置。是否卡顿可以这么判断:
- 可以使用 fraps 查看帧率,全屏模式下应该是等于你显示器刷新率,窗口模式下一般是输出帧率。
- 也可以用 GPU-Z 查看 GPU 负荷,不到 90% 什么的基本就没问题了。
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