/*
 *  mdaLoudnessProcessor.h
 *  mda-vst3
 *
 *  Created by Arne Scheffler on 6/14/08.
 *
 *  mda VST Plug-ins
 *
 *  Copyright (c) 2008 Paul Kellett
 *
 *  Permission is hereby granted, free of charge, to any person obtaining a copy of this software
 * and associated documentation files (the "Software"), to deal in the Software without restriction,
 * including without limitation the rights to use, copy, modify, merge, publish, distribute,
 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions: The above copyright notice and this
 * permission notice shall be included in all copies or substantial portions of the Software.
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT
 * NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 */

#pragma once

#include "mdaBaseProcessor.h"

namespace Steinberg {
namespace Vst {
namespace mda {

//-----------------------------------------------------------------------------
class LoudnessProcessor : public BaseProcessor
{
public:
	LoudnessProcessor ();
	~LoudnessProcessor () override;
	
	int32 getVst2UniqueId () const SMTG_OVERRIDE { return 'mdal'; }

	tresult PLUGIN_API initialize (FUnknown* context) SMTG_OVERRIDE;
	tresult PLUGIN_API terminate () SMTG_OVERRIDE;
	tresult PLUGIN_API setActive (TBool state) SMTG_OVERRIDE;

	void doProcessing (ProcessData& data) SMTG_OVERRIDE;
	void checkSilence (ProcessData& /*data*/) SMTG_OVERRIDE {}

//-----------------------------------------------------------------------------
	static FUnknown* createInstance (void*) { return (IAudioProcessor*)new LoudnessProcessor; }
#ifdef SMTG_MDA_VST2_COMPATIBILITY
	inline static DECLARE_UID (uid, 0x5653546D, 0x64616C6D, 0x6461206C, 0x6F75646E);
#else
	inline static DECLARE_UID (uid, 0xF2351D3C, 0xA6E94D47, 0x9E17EB3B, 0x6F30BA7C);
#endif

//-----------------------------------------------------------------------------
protected:
	void recalculate () SMTG_OVERRIDE;

	float Z0, Z1, Z2, Z3, A0, A1, A2, gain;
	float igain, ogain;
	int32 mode;
};

}}} // namespaces
