Function parse_ogg

native/shared/src/audio.rs:348–363

Parse an OGG Vorbis file into SoundData.

(data: &[u8])

/// Parse an OGG Vorbis file into SoundData.
pub fn parse_ogg(data: &[u8]) -> Option<SoundData> {
    let cursor = std::io::Cursor::new(data);
    let mut reader = lewton::inside_ogg::OggStreamReader::new(cursor).ok()?;
    let sample_rate = reader.ident_hdr.audio_sample_rate;
    let channels = reader.ident_hdr.audio_channels as u16;
    let mut samples = Vec::new();

    while let Ok(Some(packet)) = reader.read_dec_packet_itl() {
        for &sample in &packet {
            samples.push(sample as f32 / 32768.0);
        }
    }

    if samples.is_empty() { return None; }
    Some(SoundData { samples, sample_rate, channels })
}