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Diffstat (limited to 'examples/audiodevices/audiodevices.cpp')
| -rw-r--r-- | examples/audiodevices/audiodevices.cpp | 312 |
1 files changed, 0 insertions, 312 deletions
diff --git a/examples/audiodevices/audiodevices.cpp b/examples/audiodevices/audiodevices.cpp deleted file mode 100644 index 61a6973..0000000 --- a/examples/audiodevices/audiodevices.cpp +++ /dev/null @@ -1,312 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). -** All rights reserved. -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the examples of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:BSD$ -** You may use this file under the terms of the BSD license as follows: -** -** "Redistribution and use in source and binary forms, with or without -** modification, are permitted provided that the following conditions are -** met: -** * Redistributions of source code must retain the above copyright -** notice, this list of conditions and the following disclaimer. -** * Redistributions in binary form must reproduce the above copyright -** notice, this list of conditions and the following disclaimer in -** the documentation and/or other materials provided with the -** distribution. -** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor -** the names of its contributors may be used to endorse or promote -** products derived from this software without specific prior written -** permission. -** -** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." -** $QT_END_LICENSE$ -** -****************************************************************************/ - - -#include <qaudiodeviceinfo.h> - -#include "audiodevices.h" - -// Utility functions for converting QAudioFormat fields into text - -QString toString(QAudioFormat::SampleType sampleType) -{ - QString result("Unknown"); - switch (sampleType) { - case QAudioFormat::SignedInt: - result = "SignedInt"; - break; - case QAudioFormat::UnSignedInt: - result = "UnSignedInt"; - break; - case QAudioFormat::Float: - result = "Float"; - break; - } - return result; -} - -QString toString(QAudioFormat::Endian endian) -{ - QString result("Unknown"); - switch (endian) { - case QAudioFormat::LittleEndian: - result = "LittleEndian"; - break; - case QAudioFormat::BigEndian: - result = "BigEndian"; - break; - } - return result; -} - - -AudioDevicesBase::AudioDevicesBase(QWidget *parent, Qt::WFlags f) - : QMainWindow(parent, f) -{ - setupUi(this); -} - -AudioDevicesBase::~AudioDevicesBase() {} - - -AudioTest::AudioTest(QWidget *parent, Qt::WFlags f) - : AudioDevicesBase(parent, f) -{ - mode = QAudio::AudioOutput; - - connect(testButton, SIGNAL(clicked()), SLOT(test())); - connect(modeBox, SIGNAL(activated(int)), SLOT(modeChanged(int))); - connect(deviceBox, SIGNAL(activated(int)), SLOT(deviceChanged(int))); - connect(frequencyBox, SIGNAL(activated(int)), SLOT(freqChanged(int))); - connect(channelsBox, SIGNAL(activated(int)), SLOT(channelChanged(int))); - connect(codecsBox, SIGNAL(activated(int)), SLOT(codecChanged(int))); - connect(sampleSizesBox, SIGNAL(activated(int)), SLOT(sampleSizeChanged(int))); - connect(sampleTypesBox, SIGNAL(activated(int)), SLOT(sampleTypeChanged(int))); - connect(endianBox, SIGNAL(activated(int)), SLOT(endianChanged(int))); - connect(populateTableButton, SIGNAL(clicked()), SLOT(populateTable())); - - modeBox->setCurrentIndex(0); - modeChanged(0); - deviceBox->setCurrentIndex(0); - deviceChanged(0); -} - -AudioTest::~AudioTest() -{ -} - -void AudioTest::test() -{ - // tries to set all the settings picked. - testResult->clear(); - - if (!deviceInfo.isNull()) { - if (deviceInfo.isFormatSupported(settings)) { - testResult->setText(tr("Success")); - nearestFreq->setText(""); - nearestChannel->setText(""); - nearestCodec->setText(""); - nearestSampleSize->setText(""); - nearestSampleType->setText(""); - nearestEndian->setText(""); - } else { - QAudioFormat nearest = deviceInfo.nearestFormat(settings); - testResult->setText(tr("Failed")); - nearestFreq->setText(QString("%1").arg(nearest.frequency())); - nearestChannel->setText(QString("%1").arg(nearest.channels())); - nearestCodec->setText(nearest.codec()); - nearestSampleSize->setText(QString("%1").arg(nearest.sampleSize())); - nearestSampleType->setText(toString(nearest.sampleType())); - nearestEndian->setText(toString(nearest.byteOrder())); - } - } - else - testResult->setText(tr("No Device")); -} - -void AudioTest::modeChanged(int idx) -{ - testResult->clear(); - - // mode has changed - if (idx == 0) - mode = QAudio::AudioInput; - else - mode = QAudio::AudioOutput; - - deviceBox->clear(); - foreach (const QAudioDeviceInfo &deviceInfo, QAudioDeviceInfo::availableDevices(mode)) - deviceBox->addItem(deviceInfo.deviceName(), qVariantFromValue(deviceInfo)); - - deviceBox->setCurrentIndex(0); - deviceChanged(0); -} - -void AudioTest::deviceChanged(int idx) -{ - testResult->clear(); - - if (deviceBox->count() == 0) - return; - - // device has changed - deviceInfo = deviceBox->itemData(idx).value<QAudioDeviceInfo>(); - - frequencyBox->clear(); - QList<int> freqz = deviceInfo.supportedFrequencies(); - for(int i = 0; i < freqz.size(); ++i) - frequencyBox->addItem(QString("%1").arg(freqz.at(i))); - if(freqz.size()) - settings.setFrequency(freqz.at(0)); - - channelsBox->clear(); - QList<int> chz = deviceInfo.supportedChannels(); - for(int i = 0; i < chz.size(); ++i) - channelsBox->addItem(QString("%1").arg(chz.at(i))); - if(chz.size()) - settings.setChannels(chz.at(0)); - - codecsBox->clear(); - QStringList codecz = deviceInfo.supportedCodecs(); - for (int i = 0; i < codecz.size(); ++i) - codecsBox->addItem(QString("%1").arg(codecz.at(i))); - if (codecz.size()) - settings.setCodec(codecz.at(0)); - // Add false to create failed condition! - codecsBox->addItem("audio/test"); - - sampleSizesBox->clear(); - QList<int> sampleSizez = deviceInfo.supportedSampleSizes(); - for (int i = 0; i < sampleSizez.size(); ++i) - sampleSizesBox->addItem(QString("%1").arg(sampleSizez.at(i))); - if (sampleSizez.size()) - settings.setSampleSize(sampleSizez.at(0)); - - sampleTypesBox->clear(); - QList<QAudioFormat::SampleType> sampleTypez = deviceInfo.supportedSampleTypes(); - - for (int i = 0; i < sampleTypez.size(); ++i) - sampleTypesBox->addItem(toString(sampleTypez.at(i))); - if (sampleTypez.size()) - settings.setSampleType(sampleTypez.at(0)); - - endianBox->clear(); - QList<QAudioFormat::Endian> endianz = deviceInfo.supportedByteOrders(); - for (int i = 0; i < endianz.size(); ++i) - endianBox->addItem(toString(endianz.at(i))); - if (endianz.size()) - settings.setByteOrder(endianz.at(0)); - - allFormatsTable->clearContents(); -} - -void AudioTest::populateTable() -{ - int row = 0; - - QAudioFormat format; - foreach (QString codec, deviceInfo.supportedCodecs()) { - format.setCodec(codec); - foreach (int frequency, deviceInfo.supportedFrequencies()) { - format.setFrequency(frequency); - foreach (int channels, deviceInfo.supportedChannels()) { - format.setChannels(channels); - foreach (QAudioFormat::SampleType sampleType, deviceInfo.supportedSampleTypes()) { - format.setSampleType(sampleType); - foreach (int sampleSize, deviceInfo.supportedSampleSizes()) { - format.setSampleSize(sampleSize); - foreach (QAudioFormat::Endian endian, deviceInfo.supportedByteOrders()) { - format.setByteOrder(endian); - if (deviceInfo.isFormatSupported(format)) { - allFormatsTable->setRowCount(row + 1); - - QTableWidgetItem *codecItem = new QTableWidgetItem(format.codec()); - allFormatsTable->setItem(row, 0, codecItem); - - QTableWidgetItem *frequencyItem = new QTableWidgetItem(QString("%1").arg(format.frequency())); - allFormatsTable->setItem(row, 1, frequencyItem); - - QTableWidgetItem *channelsItem = new QTableWidgetItem(QString("%1").arg(format.channels())); - allFormatsTable->setItem(row, 2, channelsItem); - - QTableWidgetItem *sampleTypeItem = new QTableWidgetItem(toString(format.sampleType())); - allFormatsTable->setItem(row, 3, sampleTypeItem); - - QTableWidgetItem *sampleSizeItem = new QTableWidgetItem(QString("%1").arg(format.sampleSize())); - allFormatsTable->setItem(row, 4, sampleSizeItem); - - QTableWidgetItem *byteOrderItem = new QTableWidgetItem(toString(format.byteOrder())); - allFormatsTable->setItem(row, 5, byteOrderItem); - - ++row; - } - } - } - } - } - } - } -} - -void AudioTest::freqChanged(int idx) -{ - // freq has changed - settings.setFrequency(frequencyBox->itemText(idx).toInt()); -} - -void AudioTest::channelChanged(int idx) -{ - settings.setChannels(channelsBox->itemText(idx).toInt()); -} - -void AudioTest::codecChanged(int idx) -{ - settings.setCodec(codecsBox->itemText(idx)); -} - -void AudioTest::sampleSizeChanged(int idx) -{ - settings.setSampleSize(sampleSizesBox->itemText(idx).toInt()); -} - -void AudioTest::sampleTypeChanged(int idx) -{ - switch (sampleTypesBox->itemText(idx).toInt()) { - case QAudioFormat::SignedInt: - settings.setSampleType(QAudioFormat::SignedInt); - break; - case QAudioFormat::UnSignedInt: - settings.setSampleType(QAudioFormat::UnSignedInt); - break; - case QAudioFormat::Float: - settings.setSampleType(QAudioFormat::Float); - } -} - -void AudioTest::endianChanged(int idx) -{ - switch (endianBox->itemText(idx).toInt()) { - case QAudioFormat::LittleEndian: - settings.setByteOrder(QAudioFormat::LittleEndian); - break; - case QAudioFormat::BigEndian: - settings.setByteOrder(QAudioFormat::BigEndian); - } -} |