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stream_last_track/
stream_last_track.rs

1/// Reads the last audio track using the streaming API and saves it as a WAV file.
2mod common;
3
4use cd_da_reader::{CdReader, create_wav};
5
6fn main() -> Result<(), Box<dyn std::error::Error>> {
7    let output_dir = common::fresh_output_dir("stream_last_track")?;
8    let reader = CdReader::open_default()?;
9    let toc = reader.read_toc()?;
10
11    let last_audio = toc
12        .tracks
13        .iter()
14        .rev()
15        .find(|t| t.is_audio)
16        .ok_or("no audio tracks found")?;
17
18    println!("Streaming track {}...", last_audio.number);
19    let mut stream = reader.open_track_stream(&toc, last_audio.number)?;
20
21    let mut pcm = Vec::new();
22    while let Some(chunk) = stream.next_chunk()? {
23        pcm.extend_from_slice(&chunk);
24    }
25
26    let wav = create_wav(pcm);
27    let output_path = output_dir.join(format!("track{:02}.wav", last_audio.number));
28    std::fs::write(&output_path, wav)?;
29    println!("Saved {}", output_path.display());
30
31    Ok(())
32}