Analyzer.h

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/* Analyzer.h - declaration of Analyzer class.
 *
 * Copyright (c) 2019 Martin Pavelek <he29/dot/HS/at/gmail/dot/com>
 *
 * Based partially on Eq plugin code,
 * Copyright (c) 2014-2017, David French <dave/dot/french3/at/googlemail/dot/com>
 *
 * This file is part of LMMS - https://lmms.io
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public
 * License along with this program (see COPYING); if not, write to the
 * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301 USA.
 *
 */
 
#ifndef ANALYZER_H
#define ANALYZER_H
 
 
#include "DataprocLauncher.h"
#include "Effect.h"
#include "LocklessRingBuffer.h"
#include "SaControls.h"
#include "SaProcessor.h"
 
namespace lmms
{
 

class Analyzer : public Effect
{
public:
    Analyzer(Model *parent, const Descriptor::SubPluginFeatures::Key *key);
    ~Analyzer() override;
 
    ProcessStatus processImpl(SampleFrame* buf, const f_cnt_t frames) override;
 
    EffectControls *controls() override {return &m_controls;}
 
    SaProcessor *getProcessor() {return &m_processor;}
 
private:
    SaProcessor m_processor;
    SaControls m_controls;
 
    // Maximum LMMS buffer size (hard coded, the actual constant is hard to get)
    const unsigned int m_maxBufferSize = 4096;
 
    // QThread::create() workaround
    // Replace DataprocLauncher by QThread and replace initializer in constructor
    // with the following commented line when LMMS CI starts using Qt > 5.9
    //m_processorThread = QThread::create([=]{m_processor.analyze(m_inputBuffer);});
    DataprocLauncher m_processorThread;
 
    LocklessRingBuffer<SampleFrame> m_inputBuffer;
 
    #ifdef SA_DEBUG
        int m_last_dump_time;
        int m_dump_count;
        float m_sum_execution;
        float m_max_execution;
    #endif
};
 
 
} // namespace lmms
 
#endif // ANALYZER_H