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在 Android 9.0 中尝试 tinyalsa 时 pcm_is_ready 调用失败,因为 pcm->fd < 0。这是因为 pcm->fd = open(fn, O_RDWR|O_NONBLOCK); 公开通话失败。而且我已将 selinux 设置为允许的。并给/dev/snd chmod 777 -R 那么如何在android中解决这个问题???
我已将 selinux 设置为允许的。并将 chmod 777 -R 赋予 /dev/snd