Alessandro Bonazzi
8c43d5cf2f
Files correlati : cg0.exe cg0700a.msk cg0700b.msk cg3.exe cg4.exe Bug : Commento: Merge 1.0 libraries
317 lines
11 KiB
C++
317 lines
11 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** Contact: http://www.qt.io/licensing/
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**
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** This file is part of the examples of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:BSD$
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** You may use this file under the terms of the BSD license as follows:
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**
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** "Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are
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** met:
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** * Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** * Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in
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** the documentation and/or other materials provided with the
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** distribution.
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** * Neither the name of The Qt Company Ltd nor the names of its
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** contributors may be used to endorse or promote products derived
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** from this software without specific prior written permission.
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**
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include <QAudioDeviceInfo>
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#include "audiodevices.h"
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// Utility functions for converting QAudioFormat fields into text
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QString toString(QAudioFormat::SampleType sampleType)
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{
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QString result;
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switch (sampleType) {
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case QAudioFormat::SignedInt:
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result = "SignedInt";
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break;
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case QAudioFormat::UnSignedInt:
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result = "UnSignedInt";
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break;
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case QAudioFormat::Float:
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result = "Float";
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break;
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default:
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case QAudioFormat::Unknown:
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result = "Unknown";
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break;
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}
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return result;
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}
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QString toString(QAudioFormat::Endian endian)
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{
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QString result("Unknown");
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switch (endian) {
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case QAudioFormat::LittleEndian:
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result = "LittleEndian";
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break;
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case QAudioFormat::BigEndian:
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result = "BigEndian";
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break;
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}
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return result;
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}
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AudioDevicesBase::AudioDevicesBase(QWidget *parent, Qt::WFlags f)
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: QMainWindow(parent, f)
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{
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setupUi(this);
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}
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AudioDevicesBase::~AudioDevicesBase() {}
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AudioTest::AudioTest(QWidget *parent, Qt::WFlags f)
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: AudioDevicesBase(parent, f)
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{
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mode = QAudio::AudioOutput;
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connect(testButton, SIGNAL(clicked()), SLOT(test()));
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connect(modeBox, SIGNAL(activated(int)), SLOT(modeChanged(int)));
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connect(deviceBox, SIGNAL(activated(int)), SLOT(deviceChanged(int)));
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connect(frequencyBox, SIGNAL(activated(int)), SLOT(freqChanged(int)));
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connect(channelsBox, SIGNAL(activated(int)), SLOT(channelChanged(int)));
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connect(codecsBox, SIGNAL(activated(int)), SLOT(codecChanged(int)));
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connect(sampleSizesBox, SIGNAL(activated(int)), SLOT(sampleSizeChanged(int)));
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connect(sampleTypesBox, SIGNAL(activated(int)), SLOT(sampleTypeChanged(int)));
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connect(endianBox, SIGNAL(activated(int)), SLOT(endianChanged(int)));
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connect(populateTableButton, SIGNAL(clicked()), SLOT(populateTable()));
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modeBox->setCurrentIndex(0);
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modeChanged(0);
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deviceBox->setCurrentIndex(0);
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deviceChanged(0);
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}
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AudioTest::~AudioTest()
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{
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}
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void AudioTest::test()
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{
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// tries to set all the settings picked.
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testResult->clear();
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if (!deviceInfo.isNull()) {
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if (deviceInfo.isFormatSupported(settings)) {
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testResult->setText(tr("Success"));
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nearestFreq->setText("");
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nearestChannel->setText("");
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nearestCodec->setText("");
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nearestSampleSize->setText("");
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nearestSampleType->setText("");
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nearestEndian->setText("");
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} else {
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QAudioFormat nearest = deviceInfo.nearestFormat(settings);
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testResult->setText(tr("Failed"));
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nearestFreq->setText(QString("%1").arg(nearest.frequency()));
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nearestChannel->setText(QString("%1").arg(nearest.channels()));
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nearestCodec->setText(nearest.codec());
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nearestSampleSize->setText(QString("%1").arg(nearest.sampleSize()));
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nearestSampleType->setText(toString(nearest.sampleType()));
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nearestEndian->setText(toString(nearest.byteOrder()));
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}
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}
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else
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testResult->setText(tr("No Device"));
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}
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void AudioTest::modeChanged(int idx)
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{
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testResult->clear();
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// mode has changed
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if (idx == 0)
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mode = QAudio::AudioInput;
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else
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mode = QAudio::AudioOutput;
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deviceBox->clear();
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foreach (const QAudioDeviceInfo &deviceInfo, QAudioDeviceInfo::availableDevices(mode))
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deviceBox->addItem(deviceInfo.deviceName(), QVariant::fromValue(deviceInfo));
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deviceBox->setCurrentIndex(0);
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deviceChanged(0);
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}
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void AudioTest::deviceChanged(int idx)
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{
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testResult->clear();
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if (deviceBox->count() == 0)
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return;
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// device has changed
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deviceInfo = deviceBox->itemData(idx).value<QAudioDeviceInfo>();
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frequencyBox->clear();
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QList<int> freqz = deviceInfo.supportedFrequencies();
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for(int i = 0; i < freqz.size(); ++i)
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frequencyBox->addItem(QString("%1").arg(freqz.at(i)));
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if(freqz.size())
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settings.setFrequency(freqz.at(0));
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channelsBox->clear();
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QList<int> chz = deviceInfo.supportedChannels();
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for(int i = 0; i < chz.size(); ++i)
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channelsBox->addItem(QString("%1").arg(chz.at(i)));
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if(chz.size())
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settings.setChannels(chz.at(0));
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codecsBox->clear();
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QStringList codecz = deviceInfo.supportedCodecs();
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for (int i = 0; i < codecz.size(); ++i)
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codecsBox->addItem(QString("%1").arg(codecz.at(i)));
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if (codecz.size())
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settings.setCodec(codecz.at(0));
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// Add false to create failed condition!
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codecsBox->addItem("audio/test");
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sampleSizesBox->clear();
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QList<int> sampleSizez = deviceInfo.supportedSampleSizes();
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for (int i = 0; i < sampleSizez.size(); ++i)
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sampleSizesBox->addItem(QString("%1").arg(sampleSizez.at(i)));
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if (sampleSizez.size())
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settings.setSampleSize(sampleSizez.at(0));
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sampleTypesBox->clear();
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QList<QAudioFormat::SampleType> sampleTypez = deviceInfo.supportedSampleTypes();
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for (int i = 0; i < sampleTypez.size(); ++i)
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sampleTypesBox->addItem(toString(sampleTypez.at(i)));
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if (sampleTypez.size())
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settings.setSampleType(sampleTypez.at(0));
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endianBox->clear();
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QList<QAudioFormat::Endian> endianz = deviceInfo.supportedByteOrders();
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for (int i = 0; i < endianz.size(); ++i)
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endianBox->addItem(toString(endianz.at(i)));
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if (endianz.size())
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settings.setByteOrder(endianz.at(0));
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allFormatsTable->clearContents();
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}
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void AudioTest::populateTable()
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{
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int row = 0;
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QAudioFormat format;
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foreach (QString codec, deviceInfo.supportedCodecs()) {
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format.setCodec(codec);
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foreach (int frequency, deviceInfo.supportedFrequencies()) {
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format.setFrequency(frequency);
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foreach (int channels, deviceInfo.supportedChannels()) {
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format.setChannels(channels);
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foreach (QAudioFormat::SampleType sampleType, deviceInfo.supportedSampleTypes()) {
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format.setSampleType(sampleType);
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foreach (int sampleSize, deviceInfo.supportedSampleSizes()) {
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format.setSampleSize(sampleSize);
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foreach (QAudioFormat::Endian endian, deviceInfo.supportedByteOrders()) {
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format.setByteOrder(endian);
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if (deviceInfo.isFormatSupported(format)) {
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allFormatsTable->setRowCount(row + 1);
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QTableWidgetItem *codecItem = new QTableWidgetItem(format.codec());
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allFormatsTable->setItem(row, 0, codecItem);
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QTableWidgetItem *frequencyItem = new QTableWidgetItem(QString("%1").arg(format.frequency()));
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allFormatsTable->setItem(row, 1, frequencyItem);
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QTableWidgetItem *channelsItem = new QTableWidgetItem(QString("%1").arg(format.channels()));
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allFormatsTable->setItem(row, 2, channelsItem);
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QTableWidgetItem *sampleTypeItem = new QTableWidgetItem(toString(format.sampleType()));
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allFormatsTable->setItem(row, 3, sampleTypeItem);
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QTableWidgetItem *sampleSizeItem = new QTableWidgetItem(QString("%1").arg(format.sampleSize()));
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allFormatsTable->setItem(row, 4, sampleSizeItem);
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QTableWidgetItem *byteOrderItem = new QTableWidgetItem(toString(format.byteOrder()));
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allFormatsTable->setItem(row, 5, byteOrderItem);
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++row;
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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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void AudioTest::freqChanged(int idx)
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{
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// freq has changed
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settings.setFrequency(frequencyBox->itemText(idx).toInt());
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}
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void AudioTest::channelChanged(int idx)
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{
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settings.setChannels(channelsBox->itemText(idx).toInt());
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}
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void AudioTest::codecChanged(int idx)
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{
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settings.setCodec(codecsBox->itemText(idx));
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}
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void AudioTest::sampleSizeChanged(int idx)
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{
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settings.setSampleSize(sampleSizesBox->itemText(idx).toInt());
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}
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void AudioTest::sampleTypeChanged(int idx)
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{
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switch (sampleTypesBox->itemText(idx).toInt()) {
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case QAudioFormat::SignedInt:
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settings.setSampleType(QAudioFormat::SignedInt);
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break;
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case QAudioFormat::UnSignedInt:
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settings.setSampleType(QAudioFormat::UnSignedInt);
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break;
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case QAudioFormat::Float:
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settings.setSampleType(QAudioFormat::Float);
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}
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}
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void AudioTest::endianChanged(int idx)
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{
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switch (endianBox->itemText(idx).toInt()) {
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case QAudioFormat::LittleEndian:
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settings.setByteOrder(QAudioFormat::LittleEndian);
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break;
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case QAudioFormat::BigEndian:
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settings.setByteOrder(QAudioFormat::BigEndian);
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}
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}
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