diff options
Diffstat (limited to 'examples/multimedia/audiodevices/audiodevices.cpp')
| -rw-r--r-- | examples/multimedia/audiodevices/audiodevices.cpp | 211 |
1 files changed, 131 insertions, 80 deletions
diff --git a/examples/multimedia/audiodevices/audiodevices.cpp b/examples/multimedia/audiodevices/audiodevices.cpp index 7d09c382db..5dc2ef172b 100644 --- a/examples/multimedia/audiodevices/audiodevices.cpp +++ b/examples/multimedia/audiodevices/audiodevices.cpp @@ -6,35 +6,34 @@ ** ** This file is part of the examples of the Qt Toolkit. ** -** $QT_BEGIN_LICENSE:LGPL$ -** No Commercial Usage -** This file contains pre-release code and may not be distributed. -** You may use this file in accordance with the terms and conditions -** contained in the Technology Preview License Agreement accompanying -** this package. -** -** GNU Lesser General Public License Usage -** Alternatively, 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. -** -** If you have questions regarding the use of this file, please contact -** Nokia at qt-info@nokia.com. -** -** -** -** -** -** +** $QT_BEGIN_LICENSE:BSD$ +** 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." ** $QT_END_LICENSE$ ** ****************************************************************************/ @@ -44,6 +43,40 @@ #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) { @@ -67,6 +100,7 @@ AudioTest::AudioTest(QWidget *parent, Qt::WFlags f) 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); @@ -81,12 +115,11 @@ AudioTest::~AudioTest() void AudioTest::test() { // tries to set all the settings picked. - logOutput->clear(); - logOutput->append("NOTE: an invalid codec audio/test exists for testing, to get a fail condition."); + testResult->clear(); if (!deviceInfo.isNull()) { if (deviceInfo.isFormatSupported(settings)) { - logOutput->append(tr("Success")); + testResult->setText(tr("Success")); nearestFreq->setText(""); nearestChannel->setText(""); nearestCodec->setText(""); @@ -95,40 +128,23 @@ void AudioTest::test() nearestEndian->setText(""); } else { QAudioFormat nearest = deviceInfo.nearestFormat(settings); - logOutput->append(tr("Failed")); + 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())); - - switch(nearest.sampleType()) { - case QAudioFormat::SignedInt: - nearestSampleType->setText("SignedInt"); - break; - case QAudioFormat::UnSignedInt: - nearestSampleType->setText("UnSignedInt"); - break; - case QAudioFormat::Float: - nearestSampleType->setText("Float"); - break; - case QAudioFormat::Unknown: - nearestSampleType->setText("Unknown"); - } - switch(nearest.byteOrder()) { - case QAudioFormat::LittleEndian: - nearestEndian->setText("LittleEndian"); - break; - case QAudioFormat::BigEndian: - nearestEndian->setText("BigEndian"); - } + nearestSampleType->setText(toString(nearest.sampleType())); + nearestEndian->setText(toString(nearest.byteOrder())); } } else - logOutput->append(tr("No Device")); + testResult->setText(tr("No Device")); } void AudioTest::modeChanged(int idx) { + testResult->clear(); + // mode has changed if (idx == 0) mode = QAudio::AudioInput; @@ -138,10 +154,15 @@ void AudioTest::modeChanged(int idx) 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; @@ -180,38 +201,68 @@ void AudioTest::deviceChanged(int idx) sampleTypesBox->clear(); QList<QAudioFormat::SampleType> sampleTypez = deviceInfo.supportedSampleTypes(); - for (int i = 0; i < sampleTypez.size(); ++i) { - switch(sampleTypez.at(i)) { - case QAudioFormat::SignedInt: - sampleTypesBox->addItem("SignedInt"); - break; - case QAudioFormat::UnSignedInt: - sampleTypesBox->addItem("UnSignedInt"); - break; - case QAudioFormat::Float: - sampleTypesBox->addItem("Float"); - break; - case QAudioFormat::Unknown: - sampleTypesBox->addItem("Unknown"); - } - if (sampleTypez.size()) - settings.setSampleType(sampleTypez.at(0)); - } + + 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) { - switch (endianz.at(i)) { - case QAudioFormat::LittleEndian: - endianBox->addItem("Little Endian"); - break; - case QAudioFormat::BigEndian: - endianBox->addItem("Big Endian"); - break; - } - } + 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) |