Add a new pedal to the registry. This should only be accessed via the REGISTER_PEDAL macro. Returns a bool because we need it for the macro to work p

Render the audio signal from the frame buffer to the screen.

The provided directory is where the pedal will look for files to load.

Callback on each buffer recieved from the RTAudio library. Applies the transformation function to the signal and writes the result into the output buf

Record audio signal and dumps it to a file called "recording" which can then be read by a Playback object (see playback.h).