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gst-ttssink: A GStreamer sink implementing text-to-speech via platform APIs

Accepts text buffers on its sink pad and plays them back as speech via platform APIs.

Supported platforms are those of the tts crate:

  • Windows
    • Screen readers / SAPI via tolk (requires enabling the tolk feature)
    • WinRT
  • Linux (via Speech Dispatcher)
  • macOS
  • iOS
  • Android
  • WebAssembly (if you can manage to compile GStreamer for WebAssembly...)

Installation

gst-ttssink is written in Rust and uses the cargo-c helper. Set up a Rust development environment (e.g. using rustup) and then:

cargo install cargo-c

git clone https://github.com/avstack/gst-ttssink
cd gst-ttssink
cargo cbuild --release
export GST_PLUGIN_PATH=$(pwd)/target/release

Example usage (type text and it will be played when you press enter)

gst-launch-1.0 --quiet fdsrc ! 'text/x-raw,format=utf8' ! ttssink

Combine it with our gst-whisper and gst-openaichat elements and use GPT as a voice assistant! (Beware: if you don't use headphones, GPT may start responding to itself.)

OPENAI_API_KEY=... gst-launch-1.0 --quiet autoaudiosrc ! audioconvert ! audioresample ! queue ! whisper ! openaichat model=gpt-3.5-turbo ! ttssink

License

gst-ttssink is licensed under either of

at your option.

Contribution

Any kinds of contributions are welcome as a pull request.

Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in these crates by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions.

Acknowledgements

gst-ttssink development is sponsored by AVStack. We provide globally-distributed, scalable, managed Jitsi Meet backends.