use bxs;
use bxs::Bx;
use std::fs;

fn main() {
    let mut segment = bxs::MediaSegment::default();
    // audio traf
    let mut traf = bxs::TrackFragment::new(1);
    traf.tfhd_bx.default_sample_duration = Some(1024);
    traf.trun_bx.data_offset = Some(0); // dummy

    traf.trun_bx.samples.push(bxs::Sample::with_size(100));
    traf.trun_bx.samples.push(bxs::Sample::with_size(100));

    segment.moof_bx.traf_bxs.push(traf);
    segment.moof_bx.traf_bxs[0].trun_bx.data_offset = Some(segment.moof_bx.size() as i32 + 8);

    let size = segment.moof_bx.size();

    _ = fs::remove_file("/tmp/audio.m4a");
    let file = fs::File::create("/tmp/audio.m4a").expect("created");
    segment.write_to(&file).unwrap();

    println!("size {size}");
}