/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** This file contains pre-release code and may not be distributed.
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** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
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** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
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**
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****************************************************************************/
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists for the convenience
// of other Qt classes. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <windows.h>
#include <mmsystem.h>
#include "qaudiodeviceinfo_win32_p.h"
QT_BEGIN_NAMESPACE
// For mingw toolchain mmsystem.h only defines half the defines, so add if needed.
#ifndef WAVE_FORMAT_44M08
#define WAVE_FORMAT_44M08 0x00000100
#define WAVE_FORMAT_44S08 0x00000200
#define WAVE_FORMAT_44M16 0x00000400
#define WAVE_FORMAT_44S16 0x00000800
#define WAVE_FORMAT_48M08 0x00001000
#define WAVE_FORMAT_48S08 0x00002000
#define WAVE_FORMAT_48M16 0x00004000
#define WAVE_FORMAT_48S16 0x00008000
#define WAVE_FORMAT_96M08 0x00010000
#define WAVE_FORMAT_96S08 0x00020000
#define WAVE_FORMAT_96M16 0x00040000
#define WAVE_FORMAT_96S16 0x00080000
#endif
QAudioDeviceInfoInternal::QAudioDeviceInfoInternal(QByteArray dev, QAudio::Mode mode)
{
device = QLatin1String(dev);
this->mode = mode;
}
QAudioDeviceInfoInternal::~QAudioDeviceInfoInternal()
{
close();
}
bool QAudioDeviceInfoInternal::isFormatSupported(const QAudioFormat& format) const
{
return testSettings(format);
}
QAudioFormat QAudioDeviceInfoInternal::preferredFormat() const
{
QAudioFormat nearest;
if(mode == QAudio::AudioOutput) {
nearest.setFrequency(44100);
nearest.setChannels(2);
nearest.setByteOrder(QAudioFormat::LittleEndian);
nearest.setSampleType(QAudioFormat::SignedInt);
nearest.setSampleSize(16);
nearest.setCodec(QLatin1String("audio/pcm"));
} else {
nearest.setFrequency(11025);
nearest.setChannels(1);
nearest.setByteOrder(QAudioFormat::LittleEndian);
nearest.setSampleType(QAudioFormat::SignedInt);
nearest.setSampleSize(8);
nearest.setCodec(QLatin1String("audio/pcm"));
}
return nearest;
}
QAudioFormat QAudioDeviceInfoInternal::nearestFormat(const QAudioFormat& format) const
{
if(testSettings(format))
return format;
else
return preferredFormat();
}
QString QAudioDeviceInfoInternal::deviceName() const
{
return device;
}
QStringList QAudioDeviceInfoInternal::codecList()
{
updateLists();
return codecz;
}
QList<int> QAudioDeviceInfoInternal::frequencyList()
{
updateLists();
return freqz;
}
QList<int> QAudioDeviceInfoInternal::channelsList()
{
updateLists();
return channelz;
}
QList<int> QAudioDeviceInfoInternal::sampleSizeList()
{
updateLists();
return sizez;
}
QList<QAudioFormat::Endian> QAudioDeviceInfoInternal::byteOrderList()
{
updateLists();
return byteOrderz;
}
QList<QAudioFormat::SampleType> QAudioDeviceInfoInternal::sampleTypeList()
{
updateLists();
return typez;
}
bool QAudioDeviceInfoInternal::open()
{
return true;
}
void QAudioDeviceInfoInternal::close()
{
}
bool QAudioDeviceInfoInternal::testSettings(const QAudioFormat& format) const
{
// Set nearest to closest settings that do work.
// See if what is in settings will work (return value).
bool failed = false;
// For now, just accept only audio/pcm codec
if(!format.codec().startsWith(QLatin1String("audio/pcm")))
failed = true;
if(!failed && !(format.channels() == 1 || format.channels() == 2))
failed = true;
if(!failed) {
if(!(format.frequency() == 8000 || format.frequency() == 11025 || format.frequency() == 22050 ||
format.frequency() == 44100 || format.frequency() == 48000 || format.frequency() == 96000))
failed = true;
}
if(!failed && !(format.sampleSize() == 8 || format.sampleSize() == 16))
failed = true;
if(!failed) {
// settings work
return true;
}
return false;
}
void QAudioDeviceInfoInternal::updateLists()
{
// redo all lists based on current settings
bool base = false;
bool match = false;
DWORD fmt = NULL;
QString tmp;
if(device.compare(QLatin1String("default")) == 0)
base = true;
if(mode == QAudio::AudioOutput) {
WAVEOUTCAPS woc;
unsigned long iNumDevs,i;
iNumDevs = waveOutGetNumDevs();
for(i=0;i<iNumDevs;i++) {
if(waveOutGetDevCaps(i, &woc, sizeof(WAVEOUTCAPS))
== MMSYSERR_NOERROR) {
tmp = QString::fromUtf16((const unsigned short*)woc.szPname);
if(tmp.compare(device) == 0) {
match = true;
fmt = woc.dwFormats;
break;
}
if(base) {
match = true;
fmt = woc.dwFormats;
break;
}
}
}
} else {
WAVEINCAPS woc;
unsigned long iNumDevs,i;
iNumDevs = waveInGetNumDevs();
for(i=0;i<iNumDevs;i++) {
if(waveInGetDevCaps(i, &woc, sizeof(WAVEINCAPS))
== MMSYSERR_NOERROR) {
tmp = QString::fromUtf16((const unsigned short*)woc.szPname);
if(tmp.compare(device) == 0) {
match = true;
fmt = woc.dwFormats;
break;
}
if(base) {
match = true;
fmt = woc.dwFormats;
break;
}
}
}
}
sizez.clear();
freqz.clear();
channelz.clear();
byteOrderz.clear();
typez.clear();
codecz.clear();
if(match) {
if((fmt && WAVE_FORMAT_1M08)
|| (fmt && WAVE_FORMAT_1S08)
|| (fmt && WAVE_FORMAT_2M08)
|| (fmt && WAVE_FORMAT_2S08)
|| (fmt && WAVE_FORMAT_4M08)
|| (fmt && WAVE_FORMAT_4S08)
#ifndef Q_OS_WINCE
|| (fmt && WAVE_FORMAT_48M08)
|| (fmt && WAVE_FORMAT_48S08)
|| (fmt && WAVE_FORMAT_96M08)
|| (fmt && WAVE_FORMAT_96S08)
#endif
) {
sizez.append(8);
}
if((fmt && WAVE_FORMAT_1M16)
|| (fmt && WAVE_FORMAT_1S16)
|| (fmt && WAVE_FORMAT_2M16)
|| (fmt && WAVE_FORMAT_2S16)
|| (fmt && WAVE_FORMAT_4M16)
|| (fmt && WAVE_FORMAT_4S16)
#ifndef Q_OS_WINCE
|| (fmt && WAVE_FORMAT_48M16)
|| (fmt && WAVE_FORMAT_48S16)
|| (fmt && WAVE_FORMAT_96M16)
|| (fmt && WAVE_FORMAT_96S16)
#endif
) {
sizez.append(16);
}
if((fmt && WAVE_FORMAT_1M08)
|| (fmt && WAVE_FORMAT_1S08)
|| (fmt && WAVE_FORMAT_1M16)
|| (fmt && WAVE_FORMAT_1S16)) {
freqz.append(11025);
}
if((fmt && WAVE_FORMAT_2M08)
|| (fmt && WAVE_FORMAT_2S08)
|| (fmt && WAVE_FORMAT_2M16)
|| (fmt && WAVE_FORMAT_2S16)) {
freqz.append(22050);
}
if((fmt && WAVE_FORMAT_4M08)
|| (fmt && WAVE_FORMAT_4S08)
|| (fmt && WAVE_FORMAT_4M16)
|| (fmt && WAVE_FORMAT_4S16)) {
freqz.append(44100);
}
#ifndef Q_OS_WINCE
if((fmt && WAVE_FORMAT_48M08)
|| (fmt && WAVE_FORMAT_48S08)
|| (fmt && WAVE_FORMAT_48M16)
|| (fmt && WAVE_FORMAT_48S16)) {
freqz.append(48000);
}
if((fmt && WAVE_FORMAT_96M08)
|| (fmt && WAVE_FORMAT_96S08)
|| (fmt && WAVE_FORMAT_96M16)
|| (fmt && WAVE_FORMAT_96S16)) {
freqz.append(96000);
}
#endif
channelz.append(1);
channelz.append(2);
byteOrderz.append(QAudioFormat::LittleEndian);
typez.append(QAudioFormat::SignedInt);
typez.append(QAudioFormat::UnSignedInt);
codecz.append(QLatin1String("audio/pcm"));
}
}
QList<QByteArray> QAudioDeviceInfoInternal::availableDevices(QAudio::Mode mode)
{
Q_UNUSED(mode)
QList<QByteArray> devices;
if(mode == QAudio::AudioOutput) {
WAVEOUTCAPS woc;
unsigned long iNumDevs,i;
iNumDevs = waveOutGetNumDevs();
for(i=0;i<iNumDevs;i++) {
if(waveOutGetDevCaps(i, &woc, sizeof(WAVEOUTCAPS))
== MMSYSERR_NOERROR) {
devices.append(QString::fromUtf16((const unsigned short*)woc.szPname).toLocal8Bit().constData());
}
}
} else {
WAVEINCAPS woc;
unsigned long iNumDevs,i;
iNumDevs = waveInGetNumDevs();
for(i=0;i<iNumDevs;i++) {
if(waveInGetDevCaps(i, &woc, sizeof(WAVEINCAPS))
== MMSYSERR_NOERROR) {
devices.append(QString::fromUtf16((const unsigned short*)woc.szPname).toLocal8Bit().constData());
}
}
}
if(devices.count() > 0)
devices.append("default");
return devices;
}
QByteArray QAudioDeviceInfoInternal::defaultOutputDevice()
{
return QByteArray("default");
}
QByteArray QAudioDeviceInfoInternal::defaultInputDevice()
{
return QByteArray("default");
}
QT_END_NAMESPACE