enum class VMixChannelOperation_t : uint32
{
    VMIX_CHAN_STEREO = 0,
    VMIX_CHAN_LEFT = 1,
    VMIX_CHAN_RIGHT = 2,
    VMIX_CHAN_SWAP = 3,
    VMIX_CHAN_MONO = 4,
    VMIX_CHAN_MID_SIDE = 5,
};