fn from()

in src/backend/mod.rs [176:206]
31 lines of code
1 McCabe index (conditional complexity)

    fn from(label: CAChannelLabel) -> mixer::Channel {
        use self::coreaudio_sys_utils::sys;
        match label.0 {
            sys::kAudioChannelLabel_Left => mixer::Channel::FrontLeft,
            sys::kAudioChannelLabel_Right => mixer::Channel::FrontRight,
            sys::kAudioChannelLabel_Center | sys::kAudioChannelLabel_Mono => {
                mixer::Channel::FrontCenter
            }
            sys::kAudioChannelLabel_LFEScreen => mixer::Channel::LowFrequency,
            sys::kAudioChannelLabel_LeftSurround => mixer::Channel::BackLeft,
            sys::kAudioChannelLabel_RightSurround => mixer::Channel::BackRight,
            sys::kAudioChannelLabel_LeftCenter => mixer::Channel::FrontLeftOfCenter,
            sys::kAudioChannelLabel_RightCenter => mixer::Channel::FrontRightOfCenter,
            sys::kAudioChannelLabel_CenterSurround => mixer::Channel::BackCenter,
            sys::kAudioChannelLabel_LeftSurroundDirect => mixer::Channel::SideLeft,
            sys::kAudioChannelLabel_RightSurroundDirect => mixer::Channel::SideRight,
            sys::kAudioChannelLabel_TopCenterSurround => mixer::Channel::TopCenter,
            sys::kAudioChannelLabel_VerticalHeightLeft => mixer::Channel::TopFrontLeft,
            sys::kAudioChannelLabel_VerticalHeightCenter => mixer::Channel::TopFrontCenter,
            sys::kAudioChannelLabel_VerticalHeightRight => mixer::Channel::TopFrontRight,
            sys::kAudioChannelLabel_TopBackLeft => mixer::Channel::TopBackLeft,
            sys::kAudioChannelLabel_TopBackCenter => mixer::Channel::TopBackCenter,
            sys::kAudioChannelLabel_TopBackRight => mixer::Channel::TopBackRight,
            sys::kAudioChannelLabel_Unknown => mixer::Channel::Discrete,
            sys::kAudioChannelLabel_Unused => mixer::Channel::Silence,
            v => {
                eprintln!("Warning: channel label value {} isn't handled", v);
                mixer::Channel::Silence
            }
        }
    }