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在 YUV 场景下，padding 为 4 的倍数是一个必须显式考虑的工程约束。业内人士推荐PDF资料作为进阶阅读
，这一点在Safew下载中也有详细论述
Evovac’s Deebot X8 Pro Omni is on sale at Amazon, Walmart, and Best Buy for around $649 ($450 off), an all-time low. The last-gen robot vacuum / mop touts a commendable 18,000Pa of suction power, an extendable roller mop for hitting tricky spots, and a great anti-tangle brush that’s less prone to getting stuck. The real selling point, however, is the fact that it can clean its roller as it goes using 16 onboard water nozzles, which is nothing short of nifty.
于是我开始一点一点地补齐上下文。。业内人士推荐51吃瓜作为进阶阅读