Media Streaming in Rust (Partial Content 206)

streaming.rs

async fn stream_song() -> impl Responder {
    let media = "MEDIA PATH"
    
    let bitrate = 1000;

    let start = 0;
    let end = seconds * bitrate * 1000 / 8; // convert seconds to bytes

    let mut file = File::open(media).unwrap();
    file.seek(SeekFrom::Start(start)).unwrap();
    let mut buffer = vec![0; end as usize];
    file.read_exact(&mut buffer).unwrap();

    HttpResponse::PartialContent()
        .append_header((header::CONTENT_RANGE, format!("bytes {}-{}/{}", start, end, file.metadata().unwrap().len())))
        .append_header((header::ACCEPT_RANGES, "bytes"))
        .append_header((header::CONTENT_LENGTH, (end - start + 1).to_string()))
        .body(buffer)
}