发现在gpu-next下hwdec用auto-copy在播放4k60帧视频时出现掉帧 #531
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M1saka10010
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视频是游戏导出的4k 60帧h264高码率回放,没开任何滤镜的情况下播起来也掉帧也很严重,音画不同步,大概能丢一半的帧。stats显示默认用了d3d11va-copy来解码,但是看显卡的3d(40%)和decoder(60%)占用都不算高,但是gpu时钟和内存时钟有诡异降频现象,功耗也非常低。甚至我改成软解都不会掉帧,hwdec改成auto不用copy也不掉帧了,这时候默认调用d3d11va,降频现象消失了,功耗也比之前掉帧时高2-3w。
电脑配置:5800H+3070m
另外问一下 d3d11va和d3d11va-copy之间有什么区别呢?
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