Re: [LAD] Program design: C++ -> SHM -> Python

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From: Paul Coccoli <pcoccoli@...>

To: Harry Van Haaren <harryhaaren@...>

Cc: Linux Audio Developers <linux-audio-dev@...>

Subject: Re: [LAD] Program design: C++ -> SHM -> Python

Date: Monday, December 27, 2010 - 8:32 pm

On Sat, Dec 25, 2010 at 8:05 PM, Harry Van Haaren wrote:

quoted text

> So I'm wondering if it feasible to keep the audio/other data in SHared
> Memory, and then write the GUI in Python reading
> from the same memory? Is this concidered "ugly" design? I have no experience
> with SHM, so I thought I'd ask.
>
> The other option I was concidering is writing the front-end GUI part using
> only info obtained from OSC, but that would
> exclude the waveforms of the audio, and lots of other nice features...

If you only run the GUI on the same machine as the engine, you buffer
your samples (via rungbuffer) to a non-RT thread that writes them to
disk. Then use OSC to send the file name to the GUI.
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Messages in current thread:

[LAD] Program design: C++ -> SHM -> Python, Harry Van Haaren, (Sun Dec 26, 1:05 am)

Re: [LAD] Program design: C++ -> SHM -> Python, Paul Coccoli, (Mon Dec 27, 8:32 pm)

Re: [LAD] Program design: C++ -> SHM -> Python, Arnold Krille, (Sun Dec 26, 8:22 am)

Re: [LAD] Program design: C++ -> SHM -> Python, Harry Van Haaren, (Sun Dec 26, 10:57 am)

Re: [LAD] Program design: C++ -> SHM -> Python, , (Sun Dec 26, 11:20 am)

Re: [LAD] Program design: C++ -> SHM -> Python, Harry Van Haaren, (Sun Dec 26, 12:37 pm)

Re: [LAD] Program design: C++ -> SHM -> Python, Olivier Guilyardi, (Mon Dec 27, 11:51 am)

Re: [LAD] Program design: C++ -> SHM -> Python, , (Sun Dec 26, 1:02 pm)

Re: [LAD] Program design: C++ -> SHM -> Python, Arnold Krille, (Sun Dec 26, 4:00 pm)