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/* -*- Mode: c++ -*- */
/***************************************************************************
* coreaudio.cc
*
* 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.
*/
#include "coreaudio.h"
#include <hugin.hpp>
static const char* errorString(OSStatus err)
{
const char* err_string = "unknown";
switch (err) {
case kAudioHardwareNoError:
err_string = "kAudioHardwareNoError";
break;
case kAudioHardwareNotRunningError:
err_string = "kAudioHardwareNotRunningError";
break;
case kAudioHardwareUnspecifiedError:
err_string = "kAudioHardwareUnspecifiedError";
break;
case kAudioHardwareUnknownPropertyError:
err_string = "kAudioHardwareUnknownPropertyError";
break;
case kAudioHardwareBadPropertySizeError:
err_string = "kAudioHardwareBadPropertySizeError";
break;
case kAudioHardwareIllegalOperationError:
err_string = "kAudioHardwareIllegalOperationError";
break;
case kAudioHardwareBadDeviceError:
err_string = "kAudioHardwareBadDeviceError";
break;
case kAudioHardwareBadStreamError:
err_string = "kAudioHardwareBadStreamError";
break;
case kAudioDeviceUnsupportedFormatError:
err_string = "kAudioDeviceUnsupportedFormatError";
break;
case kAudioDevicePermissionsError:
err_string = "kAudioDevicePermissionsError";
break;
default:
break;
}
return err_string;
}
CoreAudioOutputEngine::CoreAudioOutputEngine()
{
OSStatus err;
std::uint32_t size;
size = sizeof(AudioDeviceID);
err = AudioHardwareGetProperty(kAudioHardwarePropertyDefaultOutputDevice,
&size, &device_id);
if(err != noErr)
{
ERR(coreaudio, "Error kAudioHardwarePropertyDefaultOutputDevice: %s",
errorString(err));
}
char device_name[256];
memset(device_name, 0, sizeof(device_name));
size = sizeof(device_name) - 1; // leave space for terminating zero
err = AudioDeviceGetProperty(device_id, 0, false,
kAudioDevicePropertyDeviceName,
&size, device_name);
if(err != noErr)
{
ERR(coreaudio, "Error kAudioDevicePropertyDeviceName: %s",
errorString(err));
}
DEBUG(coreaudio, "default device id: %d (%s)", device_id, device_name);
}
CoreAudioOutputEngine::~CoreAudioOutputEngine()
{
}
bool CoreAudioOutputEngine::init(const Channels& channels)
{
return true;
}
void CoreAudioOutputEngine::setParm(const std::string& parm,
const std::string& value)
{
}
bool CoreAudioOutputEngine::start()
{
return true;
}
void CoreAudioOutputEngine::stop()
{
}
void CoreAudioOutputEngine::pre(size_t nsamples)
{
}
void CoreAudioOutputEngine::run(int ch, sample_t* samples, size_t nsamples)
{
// Write channel data in interleaved buffer
}
void CoreAudioOutputEngine::post(size_t nsamples)
{
// Write the interleaved buffer to the soundcard
}
size_t CoreAudioOutputEngine::getSamplerate() const
{
return 0;
}
bool CoreAudioOutputEngine::isFreewheeling() const
{
return false;
}
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