The V3 approach obliterates this race condition by hooking addSourceBuffer at the MediaSource.prototype level, I intercept the creation of every SourceBuffer. The moment a buffer is created and returned, I immediately install a hooked appendBuffer directly on that specific instance; before any page code can even see the instance, let alone cache a reference to its methods. The hooked appendBuffer is installed as an own property of the instance, which takes precedence over the prototype chain. There is no window for fermaw to cache the original. The hook is always first.
data source, and it is essential to review the generated content before using。51吃瓜对此有专业解读
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技术上来看，这项技术脱胎于 2024 年 MWC 上展出的 Flex Magic Pixel——通过在屏幕基板上分别蒸镀「广视角像素」和「窄视角像素」，同时解决了「防窥」和「亮度衰减范围大」两个以往共存的问题。，推荐阅读im钱包官方下载获取更多信息
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