OK, so directly plugin the Faust compiler generated dsp object in your audio infrastructure is the way to go.
Stéphane > Le 4 juin 2019 à 21:31, Justin Giannone <jman.giann...@gmail.com> a écrit : > > Thanks for the feedback guys! > > I've started digging into the faust2api code, reviewing small pieces of the > Faust Whitepaper and looking at the Faust Android Tutorial. Since I am > integrating these effects into all audio sessions (not just the audio > sessions for my app) I don't think that OpenSL will work for me. Instead I > think my path forward is implementing a new audio layer to either integrate > directly with my Engine implementation or simply allow me to provide the > inputs and outputs as parameters. > > I'll post updates to a dedicated chain as I make progress. My codebase is > hosted on GitHub (https://github.com/Jman420/menrva) if anyone wants to > follow more closely. I've recently started working with a DSP Dev that > created JamesDSP (https://github.com/james34602/JamesDSPManager) and have > started working towards a way to leverage Faust to allow Users to easily add > new effects to the Engine. > > > On Tue, Jun 4, 2019 at 4:23 AM Stéphane Letz <l...@grame.fr> wrote: > Hi Justin, > > To complete Romain's answer, you can have a look ad the following paper that > explains the architecture files system, in particular the « Figure 1 » > > http://www.grame.fr/ressources/publications/09_C_B_137724.pdf > > Basically faus2api allows you to combine the blue part (that Faust compiler > generated dsp class) and the red part (the audio driver) in a unique DspFaust > object. Then the green part (controller) can be coded using a JSON (to get a > full description of the UI) + setParam/getParam model. The audio > communication between the audio driver and the Faust dsp object is already in > place. Audio buffers from inputs are given to the dsp « compute » method, > that process them, and produces outputs buffers to be given back to the audio > layer. The Android specific code using the OpenSL API is there: > https://github.com/grame-cncm/faust/blob/master-dev/architecture/faust/audio/android-dsp.h > > > If faus2api fits you needs, then it will greatly simplify your design. > Otherwise you may have to recode a new audio layer yourself (the red part) to > plug the dsp « compute » method at the appropriate place in the audio > processing chain. > > Stéphane > > > Le 4 juin 2019 à 08:37, Romain Michon <rmnmic...@gmail.com> a écrit : > > > > Hi Justin, > > > > faust2api is your friend: > > https://ccrma.stanford.edu/~rmichon/faustTutorials/#adding-faust-real-time-audio-support-to-android-apps > > > > This tutorial is probably slightly outdated but it should help you get > > started. You can also generate APIs for Android using the online editor > > (https://faust.grame.fr/tools/editor/index.html) by choosing the "source" > > target in the export function (click on the truck). > > > > Cheers, > > > > Romain > > > > On Mon, Jun 3, 2019 at 5:54 PM Justin Giannone <jman.giann...@gmail.com> > > wrote: > > Hey Guys, > > > > I am working on a project to integrate generic tunable audio effects into > > Android's AudioFlinger layer for System-wide effects. I've noticed that > > there are a few off-the-shelf options for generating Android code, but I > > was wondering if anyone had any advice for using Faust in relation to > > AudioFlinger. > > > > Is there a way that I can manually call an API for a Faust Effect and > > provide a signal for it to execute on? > > > > Thanks - J > > _______________________________________________ > > Faudiostream-devel mailing list > > Faudiostream-devel@lists.sourceforge.net > > https://lists.sourceforge.net/lists/listinfo/faudiostream-devel > > > > > > -- > > Romain Michon > > +33 (0)7 67 39 72 40 > > > > http://grame.fr/~michon > > _______________________________________________ > > Faudiostream-devel mailing list > > Faudiostream-devel@lists.sourceforge.net > > https://lists.sourceforge.net/lists/listinfo/faudiostream-devel > _______________________________________________ Faudiostream-devel mailing list Faudiostream-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/faudiostream-devel
