On Mon, 29 Feb 2016 07:27:45 -0800 (PST) Len Ovens <[email protected]> wrote:
> On Mon, 29 Feb 2016, Sebastian Gesemann wrote: > > > I've started writing a software synthesizer in C++ (using SDL2 for > > now) for kicks and giggles and ran into the problem of having the > > event loop thread that listens for keyboard events communicate with > > the audio callback. > > > > Are there any recommendations for how to pass real-time events (note > > on, note off, etc) to such an audio callback? I figured, this is > > already a solved problem and that I could benefit from your > > experiences. Maybe you know of some nice open-source C++ queue > > implementation that is suitable in such a situation. > > I have used jackd ringbuffer for that. > > If you don't want to link against jack you could probably pull the code > out to use in your application. the ring buffer is a polled setup, so > every time you do some audio processing you need to check the ring buffer > to see if there are any new bytes to process. > > -- > Len Ovens > www.ovenwerks.net Another vote for jack ringbuffer. I've found it very reliable and easy to implement. -- Will J Godfrey http://www.musically.me.uk Say you have a poem and I have a tune. Exchange them and we can both have a poem, a tune, and a song. _______________________________________________ Linux-audio-dev mailing list [email protected] http://lists.linuxaudio.org/listinfo/linux-audio-dev
