src/voice/audio.rs


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pub const HEADER_LEN: usize = 12;
pub const SAMPLE_RATE: u32 = 48_000;

/// A readable audio source.
pub trait AudioSource: Send {
    fn is_stereo(&mut self) -> bool;

    fn get_type(&self) -> AudioType;

    fn read_pcm_frame(&mut self, buffer: &mut [i16]) -> Option<usize>;

    fn read_opus_frame(&mut self) -> Option<Vec<u8>>;
}

/// A receiver for incoming audio.
pub trait AudioReceiver: Send {
    fn speaking_update(&mut self, ssrc: u32, user_id: u64, speaking: bool);

    fn voice_packet(&mut self,
                    ssrc: u32,
                    sequence: u16,
                    timestamp: u32,
                    stereo: bool,
                    data: &[i16]);
}

#[derive(Clone, Copy)]
pub enum AudioType {
    Opus,
    Pcm,
}