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qtmultimedia/src/multimedia/audio/qaudiodeviceinfo_win32_p.cpp
Jyri Tahtela b628e850be Update licenseheader text in source files for qtmultimedia Qt module 
Updated version of LGPL and FDL licenseheaders.
Apply release phase licenseheaders for all source files.

Reviewed-by: Trust Me
2011-05-24 15:03:12 +03:00

448 lines
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/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtMultimedia module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser 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 will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
//
// 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;
updateLists();
}
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.setChannelCount(2);
nearest.setByteOrder(QAudioFormat::LittleEndian);
nearest.setSampleType(QAudioFormat::SignedInt);
nearest.setSampleSize(16);
nearest.setCodec(QLatin1String("audio/pcm"));
} else {
nearest.setFrequency(11025);
nearest.setChannelCount(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;
bool match = false;
// check codec
for( int i = 0; i < codecz.count(); i++) {
if (format.codec() == codecz.at(i))
match = true;
}
if (!match) failed = true;
// check channel
match = false;
if (!failed) {
for( int i = 0; i < channelz.count(); i++) {
if (format.channels() == channelz.at(i)) {
match = true;
break;
}
}
if (!match)
failed = true;
}
// check frequency
match = false;
if (!failed) {
for( int i = 0; i < freqz.count(); i++) {
if (format.frequency() == freqz.at(i)) {
match = true;
break;
}
}
if (!match)
failed = true;
}
// check sample size
match = false;
if (!failed) {
for( int i = 0; i < sizez.count(); i++) {
if (format.sampleSize() == sizez.at(i)) {
match = true;
break;
}
}
if (!match)
failed = true;
}
// check byte order
match = false;
if (!failed) {
for( int i = 0; i < byteOrderz.count(); i++) {
if (format.byteOrder() == byteOrderz.at(i)) {
match = true;
break;
}
}
if (!match)
failed = true;
}
// check sample type
match = false;
if (!failed) {
for( int i = 0; i < typez.count(); i++) {
if (format.sampleType() == typez.at(i)) {
match = true;
break;
}
}
if (!match)
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((const QChar *)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((const QChar *)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);
if (mode == QAudio::AudioOutput) {
channelz.append(4);
channelz.append(6);
channelz.append(8);
}
byteOrderz.append(QAudioFormat::LittleEndian);
typez.append(QAudioFormat::SignedInt);
typez.append(QAudioFormat::UnSignedInt);
codecz.append(QLatin1String("audio/pcm"));
}
if (freqz.count() > 0)
freqz.prepend(8000);
}
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((const QChar *)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((const QChar *)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
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