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/****************************************************************************
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**
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** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the QtMultimedia module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** No Commercial Usage
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** This file contains pre-release code and may not be distributed.
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** You may use this file in accordance with the terms and conditions
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** contained in the Technology Preview License Agreement accompanying
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** this package.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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**
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**
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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//
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// W A R N I N G
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// -------------
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//
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// This file is not part of the Qt API. It exists for the convenience
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// of other Qt classes. This header file may change from version to
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// version without notice, or even be removed.
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//
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// We mean it.
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//
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#include <windows.h>
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#include <mmsystem.h>
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#include "qaudiodeviceinfo_win32_p.h"
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QT_BEGIN_NAMESPACE
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// For mingw toolchain mmsystem.h only defines half the defines, so add if needed.
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#ifndef WAVE_FORMAT_44M08
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#define WAVE_FORMAT_44M08 0x00000100
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#define WAVE_FORMAT_44S08 0x00000200
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#define WAVE_FORMAT_44M16 0x00000400
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#define WAVE_FORMAT_44S16 0x00000800
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#define WAVE_FORMAT_48M08 0x00001000
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#define WAVE_FORMAT_48S08 0x00002000
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#define WAVE_FORMAT_48M16 0x00004000
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#define WAVE_FORMAT_48S16 0x00008000
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#define WAVE_FORMAT_96M08 0x00010000
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#define WAVE_FORMAT_96S08 0x00020000
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#define WAVE_FORMAT_96M16 0x00040000
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#define WAVE_FORMAT_96S16 0x00080000
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#endif
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QAudioDeviceInfoInternal::QAudioDeviceInfoInternal(QByteArray dev, QAudio::Mode mode)
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{
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device = QLatin1String(dev);
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this->mode = mode;
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}
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QAudioDeviceInfoInternal::~QAudioDeviceInfoInternal()
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{
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close();
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}
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bool QAudioDeviceInfoInternal::isFormatSupported(const QAudioFormat& format) const
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{
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return testSettings(format);
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}
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QAudioFormat QAudioDeviceInfoInternal::preferredFormat() const
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{
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QAudioFormat nearest;
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if(mode == QAudio::AudioOutput) {
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nearest.setFrequency(44100);
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nearest.setChannels(2);
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nearest.setByteOrder(QAudioFormat::LittleEndian);
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nearest.setSampleType(QAudioFormat::SignedInt);
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nearest.setSampleSize(16);
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nearest.setCodec(QLatin1String("audio/pcm"));
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} else {
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nearest.setFrequency(11025);
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nearest.setChannels(1);
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nearest.setSampleType(QAudioFormat::SignedInt);
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nearest.setSampleSize(8);
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nearest.setCodec(QLatin1String("audio/pcm"));
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}
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return nearest;
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}
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QAudioFormat QAudioDeviceInfoInternal::nearestFormat(const QAudioFormat& format) const
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{
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if(testSettings(format))
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return format;
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else
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return preferredFormat();
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}
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QString QAudioDeviceInfoInternal::deviceName() const
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{
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return device;
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}
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QStringList QAudioDeviceInfoInternal::codecList()
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{
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updateLists();
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return codecz;
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}
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QList<int> QAudioDeviceInfoInternal::frequencyList()
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{
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updateLists();
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return freqz;
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}
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QList<int> QAudioDeviceInfoInternal::channelsList()
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{
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updateLists();
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return channelz;
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}
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QList<int> QAudioDeviceInfoInternal::sampleSizeList()
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{
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updateLists();
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return sizez;
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}
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QList<QAudioFormat::Endian> QAudioDeviceInfoInternal::byteOrderList()
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{
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updateLists();
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return byteOrderz;
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}
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QList<QAudioFormat::SampleType> QAudioDeviceInfoInternal::sampleTypeList()
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{
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updateLists();
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return typez;
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}
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bool QAudioDeviceInfoInternal::open()
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{
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return true;
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}
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void QAudioDeviceInfoInternal::close()
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{
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}
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bool QAudioDeviceInfoInternal::testSettings(const QAudioFormat& format) const
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{
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// Set nearest to closest settings that do work.
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// See if what is in settings will work (return value).
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bool failed = false;
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// For now, just accept only audio/pcm codec
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if(!format.codec().startsWith(QLatin1String("audio/pcm")))
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failed = true;
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if(!failed && !(format.channels() == 1 || format.channels() == 2))
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failed = true;
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if(!failed) {
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if(!(format.frequency() == 8000 || format.frequency() == 11025 || format.frequency() == 22050 ||
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format.frequency() == 44100 || format.frequency() == 48000 || format.frequency() == 96000))
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failed = true;
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}
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if(!failed && !(format.sampleSize() == 8 || format.sampleSize() == 16))
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failed = true;
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if(!failed) {
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// settings work
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return true;
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}
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return false;
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}
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void QAudioDeviceInfoInternal::updateLists()
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{
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// redo all lists based on current settings
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bool base = false;
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bool match = false;
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DWORD fmt = NULL;
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QString tmp;
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if(device.compare(QLatin1String("default")) == 0)
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base = true;
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if(mode == QAudio::AudioOutput) {
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WAVEOUTCAPS woc;
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unsigned long iNumDevs,i;
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iNumDevs = waveOutGetNumDevs();
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for(i=0;i<iNumDevs;i++) {
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if(waveOutGetDevCaps(i, &woc, sizeof(WAVEOUTCAPS))
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== MMSYSERR_NOERROR) {
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tmp = QString::fromUtf16((const unsigned short*)woc.szPname);
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if(tmp.compare(device) == 0) {
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match = true;
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fmt = woc.dwFormats;
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break;
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}
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if(base) {
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match = true;
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fmt = woc.dwFormats;
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break;
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}
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}
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}
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} else {
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WAVEINCAPS woc;
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unsigned long iNumDevs,i;
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iNumDevs = waveInGetNumDevs();
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for(i=0;i<iNumDevs;i++) {
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if(waveInGetDevCaps(i, &woc, sizeof(WAVEINCAPS))
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== MMSYSERR_NOERROR) {
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tmp = QString::fromUtf16((const unsigned short*)woc.szPname);
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if(tmp.compare(device) == 0) {
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match = true;
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fmt = woc.dwFormats;
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break;
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}
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if(base) {
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match = true;
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fmt = woc.dwFormats;
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break;
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}
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}
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}
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}
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sizez.clear();
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freqz.clear();
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channelz.clear();
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byteOrderz.clear();
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typez.clear();
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codecz.clear();
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if(match) {
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if((fmt && WAVE_FORMAT_1M08)
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|| (fmt && WAVE_FORMAT_1S08)
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|| (fmt && WAVE_FORMAT_2M08)
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|| (fmt && WAVE_FORMAT_2S08)
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|| (fmt && WAVE_FORMAT_4M08)
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|| (fmt && WAVE_FORMAT_4S08)
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#ifndef Q_OS_WINCE
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|| (fmt && WAVE_FORMAT_48M08)
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|| (fmt && WAVE_FORMAT_48S08)
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|| (fmt && WAVE_FORMAT_96M08)
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|| (fmt && WAVE_FORMAT_96S08)
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#endif
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) {
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sizez.append(8);
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}
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if((fmt && WAVE_FORMAT_1M16)
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|| (fmt && WAVE_FORMAT_1S16)
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|| (fmt && WAVE_FORMAT_2M16)
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|| (fmt && WAVE_FORMAT_2S16)
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|| (fmt && WAVE_FORMAT_4M16)
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|| (fmt && WAVE_FORMAT_4S16)
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#ifndef Q_OS_WINCE
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|| (fmt && WAVE_FORMAT_48M16)
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|| (fmt && WAVE_FORMAT_48S16)
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|| (fmt && WAVE_FORMAT_96M16)
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|| (fmt && WAVE_FORMAT_96S16)
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#endif
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) {
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sizez.append(16);
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}
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if((fmt && WAVE_FORMAT_1M08)
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|| (fmt && WAVE_FORMAT_1S08)
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|| (fmt && WAVE_FORMAT_1M16)
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|| (fmt && WAVE_FORMAT_1S16)) {
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freqz.append(11025);
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}
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if((fmt && WAVE_FORMAT_2M08)
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|| (fmt && WAVE_FORMAT_2S08)
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|| (fmt && WAVE_FORMAT_2M16)
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|| (fmt && WAVE_FORMAT_2S16)) {
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freqz.append(22050);
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}
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if((fmt && WAVE_FORMAT_4M08)
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|| (fmt && WAVE_FORMAT_4S08)
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|| (fmt && WAVE_FORMAT_4M16)
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|| (fmt && WAVE_FORMAT_4S16)) {
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freqz.append(44100);
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}
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#ifndef Q_OS_WINCE
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if((fmt && WAVE_FORMAT_48M08)
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|| (fmt && WAVE_FORMAT_48S08)
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|| (fmt && WAVE_FORMAT_48M16)
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|| (fmt && WAVE_FORMAT_48S16)) {
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freqz.append(48000);
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}
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if((fmt && WAVE_FORMAT_96M08)
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|| (fmt && WAVE_FORMAT_96S08)
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|| (fmt && WAVE_FORMAT_96M16)
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|| (fmt && WAVE_FORMAT_96S16)) {
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freqz.append(96000);
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}
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#endif
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channelz.append(1);
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channelz.append(2);
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byteOrderz.append(QAudioFormat::LittleEndian);
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typez.append(QAudioFormat::SignedInt);
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typez.append(QAudioFormat::UnSignedInt);
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codecz.append(QLatin1String("audio/pcm"));
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}
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}
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QList<QByteArray> QAudioDeviceInfoInternal::deviceList(QAudio::Mode mode)
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{
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Q_UNUSED(mode)
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QList<QByteArray> devices;
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if(mode == QAudio::AudioOutput) {
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WAVEOUTCAPS woc;
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unsigned long iNumDevs,i;
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iNumDevs = waveOutGetNumDevs();
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for(i=0;i<iNumDevs;i++) {
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if(waveOutGetDevCaps(i, &woc, sizeof(WAVEOUTCAPS))
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== MMSYSERR_NOERROR) {
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devices.append(QString::fromUtf16((const unsigned short*)woc.szPname).toLocal8Bit().constData());
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}
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}
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} else {
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WAVEINCAPS woc;
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unsigned long iNumDevs,i;
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iNumDevs = waveInGetNumDevs();
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for(i=0;i<iNumDevs;i++) {
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if(waveInGetDevCaps(i, &woc, sizeof(WAVEINCAPS))
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== MMSYSERR_NOERROR) {
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devices.append(QString::fromUtf16((const unsigned short*)woc.szPname).toLocal8Bit().constData());
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}
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}
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}
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if(devices.count() > 0)
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devices.append("default");
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return devices;
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}
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QByteArray QAudioDeviceInfoInternal::defaultOutputDevice()
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{
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return QByteArray("default");
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}
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QByteArray QAudioDeviceInfoInternal::defaultInputDevice()
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{
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return QByteArray("default");
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}
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QT_END_NAMESPACE
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