vstbus.h

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//-----------------------------------------------------------------------------
// Project     : VST SDK
//
// Category    : Helpers
// Filename    : public.sdk/source/vst/vstbus.h
// Created by  : Steinberg, 03/2008
// Description : VST Bus Implementation
//
//-----------------------------------------------------------------------------
// LICENSE
// (c) 2021, Steinberg Media Technologies GmbH, All Rights Reserved
//-----------------------------------------------------------------------------
// Redistribution and use in source and binary forms, with or without modification,
// are permitted provided that the following conditions are met:
// 
//   * Redistributions of source code must retain the above copyright notice, 
//     this list of conditions and the following disclaimer.
//   * Redistributions in binary form must reproduce the above copyright notice,
//     this list of conditions and the following disclaimer in the documentation 
//     and/or other materials provided with the distribution.
//   * Neither the name of the Steinberg Media Technologies nor the names of its
//     contributors may be used to endorse or promote products derived from this 
//     software without specific prior written permission.
// 
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 
// IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 
// INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 
// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 
// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 
// OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE  OF THIS SOFTWARE, EVEN IF ADVISED
// OF THE POSSIBILITY OF SUCH DAMAGE.
//-----------------------------------------------------------------------------
 
#pragma once
 
#include "base/source/fobject.h"
#include "base/source/fstring.h"
#include "pluginterfaces/vst/ivstcomponent.h"
#include "pluginterfaces/vst/ivstaudioprocessor.h"
 
#include <vector>
 
//------------------------------------------------------------------------
namespace Steinberg {
namespace Vst {
 
//------------------------------------------------------------------------
class Bus: public FObject
{
public:
//------------------------------------------------------------------------
        Bus (const TChar* name, BusType busType, int32 flags);

        TBool isActive () const { return active; }

        void setActive (TBool state) { active = state; }

        void setName (String newName) { name = newName; }

        void setBusType (BusType newBusType) { busType = newBusType; }

        void setFlags (uint32 newFlags) { flags = newFlags; }

        virtual bool getInfo (BusInfo&);
 
        OBJ_METHODS (Vst::Bus, FObject)
//------------------------------------------------------------------------
protected:
        String name;                            
        BusType busType;                        
        int32 flags;                            
        TBool active;                           
};
 
//------------------------------------------------------------------------
class EventBus: public Bus
{
public:
//------------------------------------------------------------------------
        EventBus (const TChar* name, BusType busType, int32 flags, int32 channelCount);
 
        //---from Bus-------
        bool getInfo (BusInfo& info) SMTG_OVERRIDE;
 
        OBJ_METHODS (Vst::EventBus, Vst::Bus);
 
//------------------------------------------------------------------------
protected:
        int32 channelCount;
};
 
//------------------------------------------------------------------------
class AudioBus: public Bus
{
public:
//------------------------------------------------------------------------
        AudioBus (const TChar* name, BusType busType, int32 flags, SpeakerArrangement arr);

        SpeakerArrangement getArrangement () const { return speakerArr; }

        void setArrangement (const SpeakerArrangement& arr) { speakerArr = arr; }
 
        //---from Bus---------------------
        bool getInfo (BusInfo& info) SMTG_OVERRIDE;
 
        OBJ_METHODS (Vst::AudioBus, Vst::Bus)
 
//------------------------------------------------------------------------
protected:
        SpeakerArrangement speakerArr;
};
 
//------------------------------------------------------------------------
class BusList: public FObject, public std::vector<IPtr<Vst::Bus> >
{
public:
//------------------------------------------------------------------------
        BusList (MediaType type, BusDirection dir);

        MediaType getType () const { return type; }

        BusDirection getDirection () const { return direction; }
 
        OBJ_METHODS (Vst::BusList, FObject);
 
//------------------------------------------------------------------------
protected:
        MediaType type;
        BusDirection direction;
};
 
//------------------------------------------------------------------------
} // namespace Vst
} // namespace Steinberg