fn read_schi()

in mp4parse/src/lib.rs [5875:5891]

• 16 lines of code
• 3 McCabe index (conditional complexity)

fn read_schi<T: Read>(src: &mut BMFFBox<T>) -> Result<Option<TrackEncryptionBox>> {
    let mut tenc = None;
    let mut iter = src.box_iter();
    while let Some(mut b) = iter.next_box()? {
        match b.head.name {
            BoxType::TrackEncryptionBox => {
                if tenc.is_some() {
                    return Status::SchiQuantity.into();
                }
                tenc = Some(read_tenc(&mut b)?);
            }
            _ => skip_box_content(&mut b)?,
        }
    }

    Ok(tenc)
}