Re: [Jack-Devel] [andraudio] Google I/O: High performance audio talk

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DateWed, 22 May 2013 14:58:49 +0100
From John Emmas <[hidden] at tiscali dot co dot uk>
To[hidden] at lists dot jackaudio dot org
In-Reply-ToAdrian Knoth Re: [Jack-Devel] [andraudio] Google I/O: High performance audio talk
Follow-UpJohn Emmas Re: [Jack-Devel] [andraudio] Google I/O: High performance audio talk
On 22/05/2013 14:24, Adrian Knoth wrote:
> He said (copy&paste from the transcript): "For now, it's important to 
> understand that SCHED_FIFO priority only applies to threads that are 
> created by the audio system. You can't do it for your own threads. So 
> that means if you want the lowest latency, you need to run your audio 
> code on an audio thread. In practice, that means you need to do your 
> processing in a buffer callback. That means writing your sound engine 
> in C++ and using OpenSLES.

So, to summarize...

The problem is that for low latency audio, Android proposes supporting 
OpenSLES but not supporting ALSA?  I can understand why Patrick and the 
rest of the Linux audio community would be annoyed about that.

John
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