fn read_es_descriptor()

in mp4parse/src/lib.rs [5228:5253]

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

fn read_es_descriptor(data: &[u8], esds: &mut ES_Descriptor) -> Result<()> {
    let des = &mut Cursor::new(data);

    skip(des, 2)?;

    let esds_flags = des.read_u8()?;

    // Stream dependency flag, first bit from left most.
    if esds_flags & 0x80 > 0 {
        // Skip uninteresting fields.
        skip(des, 2)?;
    }

    // Url flag, second bit from left most.
    if esds_flags & 0x40 > 0 {
        // Skip uninteresting fields.
        let skip_es_len = u64::from(des.read_u8()?) + 2;
        skip(des, skip_es_len)?;
    }

    if data.len().to_u64() > des.position() {
        find_descriptor(&data[des.position().try_into()?..data.len()], esds)?;
    }

    Ok(())
}