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/* -*- Mode: c++ -*- */
/***************************************************************************
* coreaudio.h
*
* Sat Oct 21 18:27:52 CEST 2017
* Copyright 2017 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 <audiotypes.h>
#include <CoreAudio/CoreAudio.h>
#include <AudioUnit/AudioUnit.h>
#include "audiooutputengine.h"
class CoreAudioOutputEngine
: public AudioOutputEngine
{
public:
CoreAudioOutputEngine();
~CoreAudioOutputEngine();
// based on AudioOutputEngine
bool init(const Channels& chan) override;
void setParm(const std::string& parm, const std::string& value) override;
bool start() override;
void stop() override;
void pre(size_t nsamples) override;
void run(int ch, sample_t* samples, size_t nsamples) override;
void post(size_t nsamples) override;
size_t getSamplerate() const override;
bool isFreewheeling() const override;
private:
AudioDeviceID device_id{kAudioDeviceUnknown};
std::string uid;
std::uint32_t frames{1024u};
std::uint32_t samplerate{44100u};
};
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