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Bus Arrangement Setting Sequence

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Plug-In does accepts what the host wants as Bus Arrangements

sequenceDiagram

    participant H as Host
    participant P as Plug-in: IAudioProcessor

    autonumber

    H->>+P:     setProcessing (false)
    P-->>-H:    return
    H->>+P:     setActive (false)
    P-->>-H:    return

    H->>+P:     setBusArrangements (req. Ins, req. Outs)
    P-->>P:     adapt its arrangements if needed

    P-->>-H:    return kResultTrue

    H->>+P:     setActive (true)
    P-->>-H:    return
    H->>+P:     setProcessing (true)
    P-->>-H:    return

Plug-In does not accept what the host wants as Bus Arrangements

sequenceDiagram

    participant H as Host
    participant P as Plug-in: IAudioProcessor

    autonumber

    H->>+P:     setProcessing (false)
    P-->>-H:    return
    H->>+P:     setActive (false)
    P-->>-H:    return

    H->>+P:     setBusArrangements (req. Ins, req. Outs)
    P-->>P:     Adapt its busses according to the requested ones if possible
    P-->>P:     return kResultFalse if not match.

    P-->>-H:    return kResultFalse

    H->>+P:     for each Bus: getBusArrangement ()
    P-->>-H:    return kResultTrue

    H->>+P:     setActive (true)
    P-->>-H:    return
    H->>+P:     setProcessing (true)
    P-->>-H:    return

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