Audio Commands using DTMF

This is a simple example of how to use DTMF elements of GStreamer with ergonomic Rust code.

Installation

You will need to install the following dependencies from homebrew:

brew install gst-plugins-base gst-plugins-good gst-plugins-bad gst-plugins-ugly gst-libav

Edit the gst-plugins-bad formula to add the following line:

depends_on "spandsp"

Set the following environment variables:

export HOMEBREW_NO_INSTALL_FROM_API=1

Then reinstall the formula from source:

brew reinstall --build-from-source gst-plugins-bad