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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/***************************************************************************
* audioinputengine.h
*
* Sun Feb 27 11:33:19 CET 2011
* Copyright 2011 Bent Bisballe Nyeng
* deva@aasimon.org
****************************************************************************/
/*
* This file is part of DrumGizmo.
*
* DrumGizmo is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* DrumGizmo 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with DrumGizmo; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#pragma once
#include <string>
#include <vector>
#include <event.h>
#include "instrument.h"
class AudioInputEngine
{
public:
virtual ~AudioInputEngine() = default;
virtual bool init(const Instruments& instruments) = 0;
virtual void setParm(const std::string& parm, const std::string& value) = 0;
virtual bool start() = 0;
virtual void stop() = 0;
virtual void pre() = 0;
virtual void run(size_t pos, size_t len, std::vector<event_t>& events) = 0;
virtual void post() = 0;
//! Reimplement to receive sample rate changes.
virtual void setSampleRate(double sample_rate) {}
virtual bool isFreewheeling() const = 0;
};
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