fn read_iinf()

in mp4parse/src/lib.rs [2834:2867]

• 28 lines of code
• 5 McCabe index (conditional complexity)

fn read_iinf<T: Read>(
    src: &mut BMFFBox<T>,
    strictness: ParseStrictness,
    unsupported_features: &mut UnsupportedFeatures,
) -> Result<TryVec<ItemInfoEntry>> {
    let version = read_fullbox_version_no_flags(src)?;

    match version {
        0 | 1 => (),
        _ => return Err(Error::Unsupported("unsupported iinf version")),
    }

    let entry_count = if version == 0 {
        be_u16(src)?.to_usize()
    } else {
        be_u32(src)?.to_usize()
    };
    let mut item_infos = TryVec::with_capacity(entry_count)?;

    let mut iter = src.box_iter();
    while let Some(mut b) = iter.next_box()? {
        if b.head.name != BoxType::ItemInfoEntry {
            return Status::IinfBadChild.into();
        }

        if let Some(infe) = read_infe(&mut b, strictness, unsupported_features)? {
            item_infos.push(infe)?;
        }

        check_parser_state!(b.content);
    }

    Ok(item_infos)
}