Function push_i16

perro_source/audio_stack/perro_pawdio/src/mic.rs:726–741

(
    data: &[i16],
    out: &Arc<Mutex<Vec<i16>>>,
    stream_cursor: &Arc<Mutex<usize>>,
    max_samples: usize,
    denoise: &mut MicDenoiseState,
)

    if out.is_empty() && !errors.is_empty() {
        return Err(format!("mic device scan failed: {}", errors.join(" | ")));
    }
    Ok(out)
}

#[cfg(target_arch = "wasm32")]
pub fn mic_devices() -> Result<Vec<MicDevice>, String> {
    Ok(Vec::new())
}

/// Menu labels that stay distinct when a backend lists twin devices.
#[cfg(not(target_arch = "wasm32"))]
fn dedupe_labels(names: &[&str]) -> Vec<String> {
    let mut labels = Vec::with_capacity(names.len());
    for (index, name) in names.iter().enumerate() {
        let seen = names[..index].iter().filter(|prev| *prev == name).count();
        if seen == 0 {
            labels.push((*name).to_string());
        } else {
            labels.push(format!("{name} #{}", seen + 1));