Discard old data — evict what's already buffered to make room
9600 bps "loop" interface for a local multidrop serial bus. For larger，详情可参考Line官方版本下载
Наука и техника，这一点在爱思助手下载最新版本中也有详细论述
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.
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