fn read_dc_descriptor()

in mp4parse/src/lib.rs [5194:5225]

• 25 lines of code
• 2 McCabe index (conditional complexity)

fn read_dc_descriptor(data: &[u8], esds: &mut ES_Descriptor) -> Result<()> {
    let des = &mut Cursor::new(data);
    let object_profile = des.read_u8()?;

    #[cfg(feature = "mp4v")]
    {
        esds.video_codec = match object_profile {
            0x20..=0x24 => CodecType::MP4V,
            _ => CodecType::Unknown,
        };
    }

    // Skip uninteresting fields.
    skip(des, 12)?;

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

    esds.audio_codec = match object_profile {
        0x40 | 0x66 | 0x67 => CodecType::AAC,
        0x69 | 0x6B => CodecType::MP3,
        _ => CodecType::Unknown,
    };

    debug!(
        "read_dc_descriptor: esds.audio_codec = {:?}",
        esds.audio_codec
    );

    Ok(())
}