当重播期间出现下调时,是否有可能(通过回调或类似方式)得到ALSA的通知?
我会使用snd_async_handler_t,但不幸的是, 失败,告诉我这一功能没有执行。
当重播期间出现下调时,是否有可能(通过回调或类似方式)得到ALSA的通知?
我会使用snd_async_handler_t,但不幸的是, 失败,告诉我这一功能没有执行。
ALSA不会注意到,直到它读出当前位置之前 已经发生了一个亏空
因此,在实践中,单独通知是没有道理的。
通常情况下, 您只需检查 snd_ pcm_ write * () 的返回值, 或者明确调用 snd_ pcm_ status () 。
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