fn locate()

in mp4parse/src/unstable.rs [433:457]

• 21 lines of code
• 6 McCabe index (conditional complexity)

    fn locate(&mut self) -> std::ops::Range<u32> {
        loop {
            return match (self.stsc_peek_iter.next(), self.stsc_peek_iter.peek()) {
                (Some(next), Some(peek)) if next.first_chunk == peek.first_chunk => {
                    // Invalid entry, skip it and will continue searching at
                    // next loop iteration.
                    continue;
                }
                (Some(next), Some(peek)) if next.first_chunk > 0 && peek.first_chunk > 0 => {
                    self.sample_count = next.samples_per_chunk;
                    (next.first_chunk - 1)..(peek.first_chunk - 1)
                }
                (Some(next), None) if next.first_chunk > 0 => {
                    self.sample_count = next.samples_per_chunk;
                    // Total chunk number in 'stsc' could be different to 'stco',
                    // there could be more chunks at the last 'stsc' record.
                    match next.first_chunk.checked_add(self.remain_chunk_count) {
                        Some(r) => (next.first_chunk - 1)..r - 1,
                        _ => 0..0,
                    }
                }
                _ => 0..0,
            };
        }
    }