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ffmpeg软编与硬编 #1
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ffmpeg+cuda编解码性能优化分析: |
https://zhuanlan.zhihu.com/p/162166889 https://blog.csdn.net/zong596568821xp/article/details/116531122 对于 H.264 编码来说,可以看到 T4 显卡最多支持 19 路 1080p/30fps 流编码。 -- 我们已经压出转码 18路。 对于 1080p 分辨率的视频,T4 的解码性能最强, H264 最大支持到 1000 FPS 性能,即如果是 30 fps 的视频流,大概能同时解码 33 路视频。 -- 我们已经压出1500 FPS,50路。 |
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ffmpeg在编码的时候,非常吃cpu和内存,尤其是cpu,服务器cpu100%都是家常便饭。那增加cpu不就完事了吗?我们后面会实际测试8核8G、16核16G的机器,发现依然会爆,所以这是一个无底洞,消耗不起。
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