fn read_pixi()

in mp4parse/src/lib.rs [3703:3719]

• 14 lines of code
• 3 McCabe index (conditional complexity)

fn read_pixi<T: Read>(src: &mut BMFFBox<T>) -> Result<PixelInformation> {
    let version = read_fullbox_version_no_flags(src)?;
    if version != 0 {
        return Err(Error::Unsupported("pixi version"));
    }

    let num_channels = src.read_u8()?;
    let mut bits_per_channel = TryVec::with_capacity(num_channels.to_usize())?;
    let num_channels_read = src.try_read_to_end(&mut bits_per_channel)?;

    if u8::try_from(num_channels_read)? != num_channels {
        return Status::PixiBadChannelCount.into();
    }

    check_parser_state!(src.content);
    Ok(PixelInformation { bits_per_channel })
}