fn read_elst()

in mp4parse/src/lib.rs [4580:4613]
29 lines of code
2 McCabe index (conditional complexity)

fn read_elst<T: Read>(src: &mut BMFFBox<T>) -> Result<EditListBox> {
    let (version, flags) = read_fullbox_extra(src)?;
    let edit_count = be_u32(src)?;
    let mut edits = TryVec::with_capacity(edit_count.to_usize())?;
    for _ in 0..edit_count {
        let (segment_duration, media_time) = match version {
            1 => {
                // 64 bit segment duration and media times.
                (be_u64(src)?, be_i64(src)?)
            }
            0 => {
                // 32 bit segment duration and media times.
                (u64::from(be_u32(src)?), i64::from(be_i32(src)?))
            }
            _ => return Status::ElstBadVersion.into(),
        };
        let media_rate_integer = be_i16(src)?;
        let media_rate_fraction = be_i16(src)?;
        edits.push(Edit {
            segment_duration,
            media_time,
            media_rate_integer,
            media_rate_fraction,
        })?;
    }

    // Padding could be added in some contents.
    skip_box_remain(src)?;

    Ok(EditListBox {
        looped: flags == 1,
        edits,
    })
}