| Is there an API in ALSA user space to boost the interrupt priority of the audio playback so that the audio output is both low latency and jitter free? I am currently calling 'snd_pcm_write_i' (in blocking mode) from a pthread with the highest priority possible. Is there a better way to output audio so that my user space thread is not delayed or interrupted by other Linux interrupts? Also, does it make sense to do the dirty deed and disable interrupts while I'm calculating my audio in my pthread? There are real-time options like RTLinux and RTAI, but I'd like to be able to develop and debug my stuff in user space. Thanks, |
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