natural-tts 0.3.1

High-level bindings to a variety of text-to-speech libraries.
Documentation 
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use super::{AudioHandler, NaturalModelTrait, SynthesizedAudio};
use crate::TtsError;
use std::{error::Error, path::PathBuf};
use tts::Tts;

#[derive(Clone)]
pub struct TtsModel(pub Tts);

impl TtsModel {
    pub fn new() -> Result<Self, Box<dyn Error>> {
        let def = Tts::default()?;
        Ok(Self(def))
    }
}

impl Default for TtsModel {
    fn default() -> Self {
        Self::new().unwrap()
    }
}

impl NaturalModelTrait for TtsModel {
    type SynthesizeType = f32;
    fn save(&mut self, _message: String, _path: &PathBuf) -> Result<(), TtsError> {
        Err(TtsError::NotSupported.into())
    }

    fn start(&mut self, message: String, _path: &PathBuf) -> Result<AudioHandler, TtsError> {
        let is_speaking = self.0.is_speaking();

        if let Ok(speaking) = is_speaking {
            if speaking {
                return Ok(AudioHandler::Tts);
            }
        }

        let _ = self.0.speak(message, false);
        Ok(AudioHandler::Tts)
    }

    fn synthesize(
        &mut self,
        _message: String,
        _path: &PathBuf,
    ) -> Result<SynthesizedAudio<Self::SynthesizeType>, TtsError> {
        Err(TtsError::NotSupported.into())
    }
}