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https://github.com/jackycamp/flite-rs

Basic rust bindings for flite c library.
https://github.com/jackycamp/flite-rs

flite rust tts

Last synced: 3 months ago
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Basic rust bindings for flite c library.

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fliters


rust bindings for the flite c library


## Usage

Check out `/examples` directory for more examples.

```rust
// standard example
use fliters;

fn main() {
fliters::tts("hello, world!").play();
}
```

```rust
// Controlling the output stream. (i.e. playing and pausing)
use fliters;
use rodio::{OutputStream, Sink};

fn main() {
let (_stream, handle) = OutputStream::try_default().unwrap();
let sink = Sink::try_new(&handle).unwrap();
let fwav = fliters::tts("play this audio with some stream controls");
let decoder = fwav.get_decoder();
sink.append(decoder);
sink.play();
std::thread::sleep(std::time::Duration::from_secs(1));
sink.pause();
std::thread::sleep(std::time::Duration::from_secs(3));
sink.play();
sink.sleep_until_end();
}
```

Check out the `make_waveform` example to see how we go from
text -> 16-bit samples -> (time, amplitude) pairs -> wave form visualization in your terminal!

```bash
cargo run --example make_waveform
```

![image](https://github.com/user-attachments/assets/f83cefe6-82ce-4c35-856f-4253efe4d918)

## Tested on

- MacOS Sonoma 14.2
- Debian (bookworm)

## Roadmap

- [x] basic tts api
- [x] control output stream with `play`
- [ ] optimize build (include only necessary c files)
- [ ] customize voice (defaults to slt right now)
- [x] debian linux amd64 support
- [ ] jetson orin support

## Installation

**Linux Dependencies**

On linux, `rodio` relies on `cpal` and `cpal` needs alsa development files to build.
You can see [rodio's repo](https://github.com/RustAudio/rodio?tab=readme-ov-file#dependencies-linux-only) for more info.

```bash
sudo apt install libasound2-dev
```

**crate**

Add this to your cargo.toml:
`fliters = "0.1.8"`

If you install the crate, but encounter build errors, try to specify the repo as the dependency. Submit an issue in the meantime while I investigate.

`fliters = { git = "https://github.com/jackycamp/flite-rs" }`

## Building

```bash
# clone the repository
git clone https://github.com/jackycamp/flite-rs.git

# If you want the git submodules on first clone
git clone --recursive https://github.com/jackycamp/flite-rs.git

# do the build
cd flite-rs && cargo build

# run an example
cargo run --example tts
```

## Troubleshooting

On linux, sometimes pulseaudio crashes and you might see ALSA messages in your terminal
when you try to call the `play()` fn, e.g.:

```bash
...
ALSA lib pcm.c:8570:(snd_pcm_recover) underrun occurred
ALSA lib pcm.c:8570:(snd_pcm_recover) underrun occurred
ALSA lib pcm.c:8570:(snd_pcm_recover) underrun occurred
...
```

Restarting pulseaudio's (daemon) can sometimes fix this:

```bash
pulseaudio -k # kills the deamon, and should automatically restart
```