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qtmultimedia/tests/auto/integration/qaudiooutput/tst_qaudiooutput.cpp
Antti Kokko bbfccc7135 Update copyright headers 
Qt copyrights are now in The Qt Company, so we could update the source
code headers accordingly. In the same go we should also fix the links to
point to qt.io.

Change-Id: I1c6faa4f59f8eca54f01ef20941fa60161dd7872
Reviewed-by: Yoann Lopes <yoann.lopes@theqtcompany.com>
2015-02-12 10:27:47 +00:00

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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** 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 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
//TESTED_COMPONENT=src/multimedia
#include <QtTest/QtTest>
#include <QtCore/qlocale.h>
#include <QtCore/QTemporaryDir>
#include <QtCore/QSharedPointer>
#include <QtCore/QScopedPointer>
#include <qaudiooutput.h>
#include <qaudiodeviceinfo.h>
#include <qaudioformat.h>
#include <qaudio.h>
#include "wavheader.h"
#define AUDIO_BUFFER 192000
#ifndef QTRY_VERIFY2
#define QTRY_VERIFY2(__expr,__msg) \
do { \
const int __step = 50; \
const int __timeout = 5000; \
if (!(__expr)) { \
QTest::qWait(0); \
} \
for (int __i = 0; __i < __timeout && !(__expr); __i+=__step) { \
QTest::qWait(__step); \
} \
QVERIFY2(__expr,__msg); \
} while (0)
#endif
class tst_QAudioOutput : public QObject
{
Q_OBJECT
public:
tst_QAudioOutput(QObject* parent=0) : QObject(parent) {}
private slots:
void initTestCase();
void format();
void invalidFormat_data();
void invalidFormat();
void bufferSize_data();
void bufferSize();
void notifyInterval_data();
void notifyInterval();
void disableNotifyInterval();
void stopWhileStopped();
void suspendWhileStopped();
void resumeWhileStopped();
void pull_data(){generate_audiofile_testrows();}
void pull();
void pullSuspendResume_data(){generate_audiofile_testrows();}
void pullSuspendResume();
void push_data(){generate_audiofile_testrows();}
void push();
void pushSuspendResume_data(){generate_audiofile_testrows();}
void pushSuspendResume();
void pushUnderrun_data(){generate_audiofile_testrows();}
void pushUnderrun();
void volume_data();
void volume();
private:
typedef QSharedPointer<QFile> FilePtr;
QString formatToFileName(const QAudioFormat &format);
void createSineWaveData(const QAudioFormat &format, qint64 length, int sampleRate = 440);
void generate_audiofile_testrows();
QAudioDeviceInfo audioDevice;
QList<QAudioFormat> testFormats;
QList<FilePtr> audioFiles;
QScopedPointer<QTemporaryDir> m_temporaryDir;
QScopedPointer<QByteArray> m_byteArray;
QScopedPointer<QBuffer> m_buffer;
bool m_inCISystem;
};
QString tst_QAudioOutput::formatToFileName(const QAudioFormat &format)
{
const QString formatEndian = (format.byteOrder() == QAudioFormat::LittleEndian)
? QString("LE") : QString("BE");
const QString formatSigned = (format.sampleType() == QAudioFormat::SignedInt)
? QString("signed") : QString("unsigned");
return QString("%1_%2_%3_%4_%5")
.arg(format.sampleRate())
.arg(format.sampleSize())
.arg(formatSigned)
.arg(formatEndian)
.arg(format.channelCount());
}
void tst_QAudioOutput::createSineWaveData(const QAudioFormat &format, qint64 length, int sampleRate)
{
const int channelBytes = format.sampleSize() / 8;
const int sampleBytes = format.channelCount() * channelBytes;
Q_ASSERT(length % sampleBytes == 0);
Q_UNUSED(sampleBytes) // suppress warning in release builds
m_byteArray.reset(new QByteArray(length, 0));
unsigned char *ptr = reinterpret_cast<unsigned char *>(m_byteArray->data());
int sampleIndex = 0;
while (length) {
const qreal x = qSin(2 * M_PI * sampleRate * qreal(sampleIndex % format.sampleRate()) / format.sampleRate());
for (int i=0; i<format.channelCount(); ++i) {
if (format.sampleSize() == 8 && format.sampleType() == QAudioFormat::UnSignedInt) {
const quint8 value = static_cast<quint8>((1.0 + x) / 2 * 255);
*reinterpret_cast<quint8*>(ptr) = value;
} else if (format.sampleSize() == 8 && format.sampleType() == QAudioFormat::SignedInt) {
const qint8 value = static_cast<qint8>(x * 127);
*reinterpret_cast<quint8*>(ptr) = value;
} else if (format.sampleSize() == 16 && format.sampleType() == QAudioFormat::UnSignedInt) {
quint16 value = static_cast<quint16>((1.0 + x) / 2 * 65535);
if (format.byteOrder() == QAudioFormat::LittleEndian)
qToLittleEndian<quint16>(value, ptr);
else
qToBigEndian<quint16>(value, ptr);
} else if (format.sampleSize() == 16 && format.sampleType() == QAudioFormat::SignedInt) {
qint16 value = static_cast<qint16>(x * 32767);
if (format.byteOrder() == QAudioFormat::LittleEndian)
qToLittleEndian<qint16>(value, ptr);
else
qToBigEndian<qint16>(value, ptr);
}
ptr += channelBytes;
length -= channelBytes;
}
++sampleIndex;
}
m_buffer.reset(new QBuffer(m_byteArray.data(), this));
Q_ASSERT(m_buffer->open(QIODevice::ReadOnly));
}
void tst_QAudioOutput::generate_audiofile_testrows()
{
QTest::addColumn<FilePtr>("audioFile");
QTest::addColumn<QAudioFormat>("audioFormat");
for (int i=0; i<audioFiles.count(); i++) {
QTest::newRow(QString("Audio File %1").arg(i).toLocal8Bit().constData())
<< audioFiles.at(i) << testFormats.at(i);
// Only run first format in CI system to reduce test times
if (m_inCISystem)
break;
}
}
void tst_QAudioOutput::initTestCase()
{
qRegisterMetaType<QAudioFormat>();
// Only perform tests if audio output device exists
const QList<QAudioDeviceInfo> devices =
QAudioDeviceInfo::availableDevices(QAudio::AudioOutput);
if (devices.size() <= 0)
QSKIP("No audio backend");
audioDevice = QAudioDeviceInfo::defaultOutputDevice();
QAudioFormat format;
format.setCodec("audio/pcm");
if (audioDevice.isFormatSupported(audioDevice.preferredFormat()))
testFormats.append(audioDevice.preferredFormat());
// PCM 8000 mono S8
format.setSampleRate(8000);
format.setSampleSize(8);
format.setSampleType(QAudioFormat::SignedInt);
format.setByteOrder(QAudioFormat::LittleEndian);
format.setChannelCount(1);
if (audioDevice.isFormatSupported(format))
testFormats.append(format);
// PCM 11025 mono S16LE
format.setSampleRate(11025);
format.setSampleSize(16);
if (audioDevice.isFormatSupported(format))
testFormats.append(format);
// PCM 22050 mono S16LE
format.setSampleRate(22050);
if (audioDevice.isFormatSupported(format))
testFormats.append(format);
// PCM 22050 stereo S16LE
format.setChannelCount(2);
if (audioDevice.isFormatSupported(format))
testFormats.append(format);
// PCM 44100 stereo S16LE
format.setSampleRate(44100);
if (audioDevice.isFormatSupported(format))
testFormats.append(format);
// PCM 48000 stereo S16LE
format.setSampleRate(48000);
if (audioDevice.isFormatSupported(format))
testFormats.append(format);
QVERIFY(testFormats.size());
const QChar slash = QLatin1Char('/');
QString temporaryPattern = QDir::tempPath();
if (!temporaryPattern.endsWith(slash))
temporaryPattern += slash;
temporaryPattern += "tst_qaudiooutputXXXXXX";
m_temporaryDir.reset(new QTemporaryDir(temporaryPattern));
m_temporaryDir->setAutoRemove(true);
QVERIFY(m_temporaryDir->isValid());
const QString temporaryAudioPath = m_temporaryDir->path() + slash;
foreach (const QAudioFormat &format, testFormats) {
qint64 len = (format.sampleRate()*format.channelCount()*(format.sampleSize()/8)*2); // 2 seconds
createSineWaveData(format, len);
// Write generate sine wave data to file
const QString fileName = temporaryAudioPath + QStringLiteral("generated")
+ formatToFileName(format) + QStringLiteral(".wav");
FilePtr file(new QFile(fileName));
QVERIFY2(file->open(QIODevice::WriteOnly), qPrintable(file->errorString()));
WavHeader wavHeader(format, len);
wavHeader.write(*file.data());
file->write(m_byteArray->data(), len);
file->close();
audioFiles.append(file);
}
qgetenv("QT_TEST_CI").toInt(&m_inCISystem,10);
}
void tst_QAudioOutput::format()
{
QAudioOutput audioOutput(audioDevice.preferredFormat(), this);
QAudioFormat requested = audioDevice.preferredFormat();
QAudioFormat actual = audioOutput.format();
QVERIFY2((requested.channelCount() == actual.channelCount()),
QString("channels: requested=%1, actual=%2").arg(requested.channelCount()).arg(actual.channelCount()).toLocal8Bit().constData());
QVERIFY2((requested.sampleRate() == actual.sampleRate()),
QString("sampleRate: requested=%1, actual=%2").arg(requested.sampleRate()).arg(actual.sampleRate()).toLocal8Bit().constData());
QVERIFY2((requested.sampleSize() == actual.sampleSize()),
QString("sampleSize: requested=%1, actual=%2").arg(requested.sampleSize()).arg(actual.sampleSize()).toLocal8Bit().constData());
QVERIFY2((requested.codec() == actual.codec()),
QString("codec: requested=%1, actual=%2").arg(requested.codec()).arg(actual.codec()).toLocal8Bit().constData());
QVERIFY2((requested.byteOrder() == actual.byteOrder()),
QString("byteOrder: requested=%1, actual=%2").arg(requested.byteOrder()).arg(actual.byteOrder()).toLocal8Bit().constData());
QVERIFY2((requested.sampleType() == actual.sampleType()),
QString("sampleType: requested=%1, actual=%2").arg(requested.sampleType()).arg(actual.sampleType()).toLocal8Bit().constData());
}
void tst_QAudioOutput::invalidFormat_data()
{
QTest::addColumn<QAudioFormat>("invalidFormat");
QAudioFormat format;
QTest::newRow("Null Format")
<< format;
format = audioDevice.preferredFormat();
format.setChannelCount(0);
QTest::newRow("Channel count 0")
<< format;
format = audioDevice.preferredFormat();
format.setSampleRate(0);
QTest::newRow("Sample rate 0")
<< format;
format = audioDevice.preferredFormat();
format.setSampleSize(0);
QTest::newRow("Sample size 0")
<< format;
}
void tst_QAudioOutput::invalidFormat()
{
QFETCH(QAudioFormat, invalidFormat);
QVERIFY2(!audioDevice.isFormatSupported(invalidFormat),
"isFormatSupported() is returning true on an invalid format");
QAudioOutput audioOutput(invalidFormat, this);
// Check that we are in the default state before calling start
QVERIFY2((audioOutput.state() == QAudio::StoppedState), "state() was not set to StoppedState before start()");
QVERIFY2((audioOutput.error() == QAudio::NoError), "error() was not set to QAudio::NoError before start()");
audioOutput.start();
// Check that error is raised
QTRY_VERIFY2((audioOutput.error() == QAudio::OpenError),"error() was not set to QAudio::OpenError after start()");
}
void tst_QAudioOutput::bufferSize_data()
{
QTest::addColumn<int>("bufferSize");
QTest::newRow("Buffer size 512") << 512;
QTest::newRow("Buffer size 4096") << 4096;
QTest::newRow("Buffer size 8192") << 8192;
}
void tst_QAudioOutput::bufferSize()
{
QFETCH(int, bufferSize);
QAudioOutput audioOutput(audioDevice.preferredFormat(), this);
QVERIFY2((audioOutput.error() == QAudio::NoError), QString("error() was not set to QAudio::NoError on creation(%1)").arg(bufferSize).toLocal8Bit().constData());
audioOutput.setBufferSize(bufferSize);
QVERIFY2((audioOutput.error() == QAudio::NoError), "error() is not QAudio::NoError after setBufferSize");
QVERIFY2((audioOutput.bufferSize() == bufferSize),
QString("bufferSize: requested=%1, actual=%2").arg(bufferSize).arg(audioOutput.bufferSize()).toLocal8Bit().constData());
}
void tst_QAudioOutput::notifyInterval_data()
{
QTest::addColumn<int>("interval");
QTest::newRow("Notify interval 50") << 50;
QTest::newRow("Notify interval 100") << 100;
QTest::newRow("Notify interval 250") << 250;
QTest::newRow("Notify interval 1000") << 1000;
}
void tst_QAudioOutput::notifyInterval()
{
QFETCH(int, interval);
QAudioOutput audioOutput(audioDevice.preferredFormat(), this);
QVERIFY2((audioOutput.error() == QAudio::NoError), "error() was not set to QAudio::NoError on creation");
audioOutput.setNotifyInterval(interval);
QVERIFY2((audioOutput.error() == QAudio::NoError), QString("error() is not QAudio::NoError after setNotifyInterval(%1)").arg(interval).toLocal8Bit().constData());
QVERIFY2((audioOutput.notifyInterval() == interval),
QString("notifyInterval: requested=%1, actual=%2").arg(interval).arg(audioOutput.notifyInterval()).toLocal8Bit().constData());
}
void tst_QAudioOutput::disableNotifyInterval()
{
// Sets an invalid notification interval (QAudioOutput::setNotifyInterval(0))
// Checks that
// - No error is raised (QAudioOutput::error() returns QAudio::NoError)
// - if <= 0, set to zero and disable notify signal
QAudioOutput audioOutput(audioDevice.preferredFormat(), this);
QVERIFY2((audioOutput.error() == QAudio::NoError), "error() was not set to QAudio::NoError on creation");
audioOutput.setNotifyInterval(0);
QVERIFY2((audioOutput.error() == QAudio::NoError), "error() is not QAudio::NoError after setNotifyInterval(0)");
QVERIFY2((audioOutput.notifyInterval() == 0),
"notifyInterval() is not zero after setNotifyInterval(0)");
audioOutput.setNotifyInterval(-1);
QVERIFY2((audioOutput.error() == QAudio::NoError), "error() is not QAudio::NoError after setNotifyInterval(-1)");
QVERIFY2((audioOutput.notifyInterval() == 0),
"notifyInterval() is not zero after setNotifyInterval(-1)");
//start and run to check if notify() is emitted
if (audioFiles.size() > 0) {
QAudioOutput audioOutputCheck(testFormats.at(0), this);
audioOutputCheck.setNotifyInterval(0);
audioOutputCheck.setVolume(0.1f);
QSignalSpy notifySignal(&audioOutputCheck, SIGNAL(notify()));
QFile *audioFile = audioFiles.at(0).data();
audioFile->open(QIODevice::ReadOnly);
audioOutputCheck.start(audioFile);
QTest::qWait(3000); // 3 seconds should be plenty
audioOutputCheck.stop();
QVERIFY2((notifySignal.count() == 0),
QString("didn't disable notify interval: shouldn't have got any but got %1").arg(notifySignal.count()).toLocal8Bit().constData());
audioFile->close();
}
}
void tst_QAudioOutput::stopWhileStopped()
{
// Calls QAudioOutput::stop() when object is already in StoppedState
// Checks that
// - No state change occurs
// - No error is raised (QAudioOutput::error() returns QAudio::NoError)
QAudioOutput audioOutput(audioDevice.preferredFormat(), this);
QVERIFY2((audioOutput.state() == QAudio::StoppedState), "state() was not set to StoppedState before start()");
QVERIFY2((audioOutput.error() == QAudio::NoError), "error() was not set to QAudio::NoError before start()");
QSignalSpy stateSignal(&audioOutput, SIGNAL(stateChanged(QAudio::State)));
audioOutput.stop();
// Check that no state transition occurred
QVERIFY2((stateSignal.count() == 0), "stop() while stopped is emitting a signal and it shouldn't");
QVERIFY2((audioOutput.error() == QAudio::NoError), "error() was not set to QAudio::NoError after stop()");
}
void tst_QAudioOutput::suspendWhileStopped()
{
// Calls QAudioOutput::suspend() when object is already in StoppedState
// Checks that
// - No state change occurs
// - No error is raised (QAudioOutput::error() returns QAudio::NoError)
QAudioOutput audioOutput(audioDevice.preferredFormat(), this);
QVERIFY2((audioOutput.state() == QAudio::StoppedState), "state() was not set to StoppedState before start()");
QVERIFY2((audioOutput.error() == QAudio::NoError), "error() was not set to QAudio::NoError before start()");
QSignalSpy stateSignal(&audioOutput, SIGNAL(stateChanged(QAudio::State)));
audioOutput.suspend();
// Check that no state transition occurred
QVERIFY2((stateSignal.count() == 0), "stop() while suspended is emitting a signal and it shouldn't");
QVERIFY2((audioOutput.error() == QAudio::NoError), "error() was not set to QAudio::NoError after stop()");
}
void tst_QAudioOutput::resumeWhileStopped()
{
// Calls QAudioOutput::resume() when object is already in StoppedState
// Checks that
// - No state change occurs
// - No error is raised (QAudioOutput::error() returns QAudio::NoError)
QAudioOutput audioOutput(audioDevice.preferredFormat(), this);
QVERIFY2((audioOutput.state() == QAudio::StoppedState), "state() was not set to StoppedState before start()");
QVERIFY2((audioOutput.error() == QAudio::NoError), "error() was not set to QAudio::NoError before start()");
QSignalSpy stateSignal(&audioOutput, SIGNAL(stateChanged(QAudio::State)));
audioOutput.resume();
// Check that no state transition occurred
QVERIFY2((stateSignal.count() == 0), "resume() while stopped is emitting a signal and it shouldn't");
QVERIFY2((audioOutput.error() == QAudio::NoError), "error() was not set to QAudio::NoError after resume()");
}
void tst_QAudioOutput::pull()
{
QFETCH(FilePtr, audioFile);
QFETCH(QAudioFormat, audioFormat);
QAudioOutput audioOutput(audioFormat, this);
audioOutput.setNotifyInterval(100);
audioOutput.setVolume(0.1f);
QSignalSpy notifySignal(&audioOutput, SIGNAL(notify()));
QSignalSpy stateSignal(&audioOutput, SIGNAL(stateChanged(QAudio::State)));
// Check that we are in the default state before calling start
QVERIFY2((audioOutput.state() == QAudio::StoppedState), "state() was not set to StoppedState before start()");
QVERIFY2((audioOutput.error() == QAudio::NoError), "error() was not set to QAudio::NoError before start()");
QVERIFY2((audioOutput.elapsedUSecs() == qint64(0)),"elapsedUSecs() not zero on creation");
audioFile->close();
audioFile->open(QIODevice::ReadOnly);
audioFile->seek(WavHeader::headerLength());
audioOutput.start(audioFile.data());
// Check that QAudioOutput immediately transitions to ActiveState
QTRY_VERIFY2((stateSignal.count() == 1),
QString("didn't emit signal on start(), got %1 signals instead").arg(stateSignal.count()).toLocal8Bit().constData());
QVERIFY2((audioOutput.state() == QAudio::ActiveState), "didn't transition to ActiveState after start()");
QVERIFY2((audioOutput.error() == QAudio::NoError), "error state is not equal to QAudio::NoError after start()");
QVERIFY(audioOutput.periodSize() > 0);
stateSignal.clear();
// Check that 'elapsed' increases
QTest::qWait(40);
QVERIFY2((audioOutput.elapsedUSecs() > 0), "elapsedUSecs() is still zero after start()");
// Wait until playback finishes
QTest::qWait(3000); // 3 seconds should be plenty
QVERIFY2(audioFile->atEnd(), "didn't play to EOF");
QVERIFY2((stateSignal.count() == 1),
QString("didn't emit IdleState signal when at EOF, got %1 signals instead").arg(stateSignal.count()).toLocal8Bit().constData());
QVERIFY2((audioOutput.state() == QAudio::IdleState), "didn't transitions to IdleState when at EOF");
stateSignal.clear();
qint64 processedUs = audioOutput.processedUSecs();
audioOutput.stop();
QTest::qWait(40);
QVERIFY2((stateSignal.count() == 1),
QString("didn't emit StoppedState signal after stop(), got %1 signals instead").arg(stateSignal.count()).toLocal8Bit().constData());
QVERIFY2((audioOutput.state() == QAudio::StoppedState), "didn't transitions to StoppedState after stop()");
QVERIFY2((processedUs == 2000000),
QString("processedUSecs() doesn't equal file duration in us (%1)").arg(processedUs).toLocal8Bit().constData());
QVERIFY2((audioOutput.error() == QAudio::NoError), "error() is not QAudio::NoError after stop()");
QVERIFY2((audioOutput.elapsedUSecs() == (qint64)0), "elapsedUSecs() not equal to zero in StoppedState");
QVERIFY2(notifySignal.count() > 0, "not emitting notify() signal");
audioFile->close();
}
void tst_QAudioOutput::pullSuspendResume()
{
#ifdef Q_OS_LINUX
if (m_inCISystem)
QSKIP("QTBUG-26504 Fails 20% of time with pulseaudio backend");
#endif
QFETCH(FilePtr, audioFile);
QFETCH(QAudioFormat, audioFormat);
QAudioOutput audioOutput(audioFormat, this);
audioOutput.setNotifyInterval(100);
audioOutput.setVolume(0.1f);
QSignalSpy notifySignal(&audioOutput, SIGNAL(notify()));
QSignalSpy stateSignal(&audioOutput, SIGNAL(stateChanged(QAudio::State)));
// Check that we are in the default state before calling start
QVERIFY2((audioOutput.state() == QAudio::StoppedState), "state() was not set to StoppedState before start()");
QVERIFY2((audioOutput.error() == QAudio::NoError), "error() was not set to QAudio::NoError before start()");
QVERIFY2((audioOutput.elapsedUSecs() == qint64(0)),"elapsedUSecs() not zero on creation");
audioFile->close();
audioFile->open(QIODevice::ReadOnly);
audioFile->seek(WavHeader::headerLength());
audioOutput.start(audioFile.data());
// Check that QAudioOutput immediately transitions to ActiveState
QTRY_VERIFY2((stateSignal.count() == 1),
QString("didn't emit signal on start(), got %1 signals instead").arg(stateSignal.count()).toLocal8Bit().constData());
QVERIFY2((audioOutput.state() == QAudio::ActiveState), "didn't transition to ActiveState after start()");
QVERIFY2((audioOutput.error() == QAudio::NoError), "error state is not equal to QAudio::NoError after start()");
QVERIFY(audioOutput.periodSize() > 0);
stateSignal.clear();
// Wait for half of clip to play
QTest::qWait(1000);
audioOutput.suspend();
// Give backends running in separate threads a chance to suspend.
QTest::qWait(100);
QVERIFY2((stateSignal.count() == 1),
QString("didn't emit SuspendedState signal after suspend(), got %1 signals instead")
.arg(stateSignal.count()).toLocal8Bit().constData());
QVERIFY2((audioOutput.state() == QAudio::SuspendedState), "didn't transition to SuspendedState after suspend()");
QVERIFY2((audioOutput.error() == QAudio::NoError), "error state is not equal to QAudio::NoError after suspend()");
stateSignal.clear();
// Check that only 'elapsed', and not 'processed' increases while suspended
qint64 elapsedUs = audioOutput.elapsedUSecs();
qint64 processedUs = audioOutput.processedUSecs();
QTest::qWait(1000);
QVERIFY(audioOutput.elapsedUSecs() > elapsedUs);
QVERIFY(audioOutput.processedUSecs() == processedUs);
audioOutput.resume();
// Give backends running in separate threads a chance to suspend.
QTest::qWait(100);
// Check that QAudioOutput immediately transitions to ActiveState
QVERIFY2((stateSignal.count() == 1),
QString("didn't emit signal after resume(), got %1 signals instead").arg(stateSignal.count()).toLocal8Bit().constData());
QVERIFY2((audioOutput.state() == QAudio::ActiveState), "didn't transition to ActiveState after resume()");
QVERIFY2((audioOutput.error() == QAudio::NoError), "error state is not equal to QAudio::NoError after resume()");
stateSignal.clear();
// Wait until playback finishes
QTest::qWait(3000); // 3 seconds should be plenty
QVERIFY2(audioFile->atEnd(), "didn't play to EOF");
QVERIFY2((stateSignal.count() == 1),
QString("didn't emit IdleState signal when at EOF, got %1 signals instead").arg(stateSignal.count()).toLocal8Bit().constData());
QVERIFY2((audioOutput.state() == QAudio::IdleState), "didn't transitions to IdleState when at EOF");
stateSignal.clear();
processedUs = audioOutput.processedUSecs();
audioOutput.stop();
QTest::qWait(40);
QVERIFY2((stateSignal.count() == 1),
QString("didn't emit StoppedState signal after stop(), got %1 signals instead").arg(stateSignal.count()).toLocal8Bit().constData());
QVERIFY2((audioOutput.state() == QAudio::StoppedState), "didn't transitions to StoppedState after stop()");
QVERIFY2((processedUs == 2000000),
QString("processedUSecs() doesn't equal file duration in us (%1)").arg(processedUs).toLocal8Bit().constData());
QVERIFY2((audioOutput.error() == QAudio::NoError), "error() is not QAudio::NoError after stop()");
QVERIFY2((audioOutput.elapsedUSecs() == (qint64)0), "elapsedUSecs() not equal to zero in StoppedState");
audioFile->close();
}
void tst_QAudioOutput::push()
{
QFETCH(FilePtr, audioFile);
QFETCH(QAudioFormat, audioFormat);
QAudioOutput audioOutput(audioFormat, this);
audioOutput.setNotifyInterval(100);
audioOutput.setVolume(0.1f);
QSignalSpy notifySignal(&audioOutput, SIGNAL(notify()));
QSignalSpy stateSignal(&audioOutput, SIGNAL(stateChanged(QAudio::State)));
// Check that we are in the default state before calling start
QVERIFY2((audioOutput.state() == QAudio::StoppedState), "state() was not set to StoppedState before start()");
QVERIFY2((audioOutput.error() == QAudio::NoError), "error() was not set to QAudio::NoError before start()");
QVERIFY2((audioOutput.elapsedUSecs() == qint64(0)),"elapsedUSecs() not zero on creation");
audioFile->close();
audioFile->open(QIODevice::ReadOnly);
audioFile->seek(WavHeader::headerLength());
QIODevice* feed = audioOutput.start();
// Check that QAudioOutput immediately transitions to IdleState
QTRY_VERIFY2((stateSignal.count() == 1),
QString("didn't emit signal on start(), got %1 signals instead").arg(stateSignal.count()).toLocal8Bit().constData());
QVERIFY2((audioOutput.state() == QAudio::IdleState), "didn't transition to IdleState after start()");
QVERIFY2((audioOutput.error() == QAudio::NoError), "error state is not equal to QAudio::NoError after start()");
QVERIFY(audioOutput.periodSize() > 0);
stateSignal.clear();
// Check that 'elapsed' increases
QTest::qWait(40);
QVERIFY2((audioOutput.elapsedUSecs() > 0), "elapsedUSecs() is still zero after start()");
QVERIFY2((audioOutput.processedUSecs() == qint64(0)), "processedUSecs() is not zero after start()");
qint64 written = 0;
bool firstBuffer = true;
QByteArray buffer(AUDIO_BUFFER, 0);
while (written < audioFile->size()-WavHeader::headerLength()) {
if (audioOutput.bytesFree() >= audioOutput.periodSize()) {
qint64 len = audioFile->read(buffer.data(),audioOutput.periodSize());
written += feed->write(buffer.constData(), len);
if (firstBuffer) {
// Check for transition to ActiveState when data is provided
QVERIFY2((stateSignal.count() == 1),
QString("didn't emit signal after receiving data, got %1 signals instead")
.arg(stateSignal.count()).toLocal8Bit().constData());
QVERIFY2((audioOutput.state() == QAudio::ActiveState), "didn't transition to ActiveState after receiving data");
QVERIFY2((audioOutput.error() == QAudio::NoError), "error state is not equal to QAudio::NoError after receiving data");
firstBuffer = false;
}
} else
QTest::qWait(20);
}
stateSignal.clear();
// Wait until playback finishes
QTest::qWait(3000); // 3 seconds should be plenty
QVERIFY2(audioFile->atEnd(), "didn't play to EOF");
QVERIFY2((stateSignal.count() == 1),
QString("didn't emit IdleState signal when at EOF, got %1 signals instead").arg(stateSignal.count()).toLocal8Bit().constData());
QVERIFY2((audioOutput.state() == QAudio::IdleState), "didn't transitions to IdleState when at EOF");
stateSignal.clear();
qint64 processedUs = audioOutput.processedUSecs();
audioOutput.stop();
QTest::qWait(40);
QVERIFY2((stateSignal.count() == 1),
QString("didn't emit StoppedState signal after stop(), got %1 signals instead").arg(stateSignal.count()).toLocal8Bit().constData());
QVERIFY2((audioOutput.state() == QAudio::StoppedState), "didn't transitions to StoppedState after stop()");
QVERIFY2((processedUs == 2000000),
QString("processedUSecs() doesn't equal file duration in us (%1)").arg(processedUs).toLocal8Bit().constData());
QVERIFY2((audioOutput.error() == QAudio::NoError), "error() is not QAudio::NoError after stop()");
QVERIFY2((audioOutput.elapsedUSecs() == (qint64)0), "elapsedUSecs() not equal to zero in StoppedState");
QVERIFY2(notifySignal.count() > 0, "not emitting notify signal");
audioFile->close();
}
void tst_QAudioOutput::pushSuspendResume()
{
#ifdef Q_OS_LINUX
if (m_inCISystem)
QSKIP("QTBUG-26504 Fails 20% of time with pulseaudio backend");
#endif
QFETCH(FilePtr, audioFile);
QFETCH(QAudioFormat, audioFormat);
QAudioOutput audioOutput(audioFormat, this);
audioOutput.setNotifyInterval(100);
audioOutput.setVolume(0.1f);
QSignalSpy notifySignal(&audioOutput, SIGNAL(notify()));
QSignalSpy stateSignal(&audioOutput, SIGNAL(stateChanged(QAudio::State)));
// Check that we are in the default state before calling start
QVERIFY2((audioOutput.state() == QAudio::StoppedState), "state() was not set to StoppedState before start()");
QVERIFY2((audioOutput.error() == QAudio::NoError), "error() was not set to QAudio::NoError before start()");
QVERIFY2((audioOutput.elapsedUSecs() == qint64(0)),"elapsedUSecs() not zero on creation");
audioFile->close();
audioFile->open(QIODevice::ReadOnly);
audioFile->seek(WavHeader::headerLength());
QIODevice* feed = audioOutput.start();
// Check that QAudioOutput immediately transitions to IdleState
QTRY_VERIFY2((stateSignal.count() == 1),
QString("didn't emit signal on start(), got %1 signals instead").arg(stateSignal.count()).toLocal8Bit().constData());
QVERIFY2((audioOutput.state() == QAudio::IdleState), "didn't transition to IdleState after start()");
QVERIFY2((audioOutput.error() == QAudio::NoError), "error state is not equal to QAudio::NoError after start()");
QVERIFY(audioOutput.periodSize() > 0);
stateSignal.clear();
// Check that 'elapsed' increases
QTest::qWait(40);
QVERIFY2((audioOutput.elapsedUSecs() > 0), "elapsedUSecs() is still zero after start()");
QVERIFY2((audioOutput.processedUSecs() == qint64(0)), "processedUSecs() is not zero after start()");
qint64 written = 0;
bool firstBuffer = true;
QByteArray buffer(AUDIO_BUFFER, 0);
// Play half of the clip
while (written < (audioFile->size()-WavHeader::headerLength())/2) {
if (audioOutput.bytesFree() >= audioOutput.periodSize()) {
qint64 len = audioFile->read(buffer.data(),audioOutput.periodSize());
written += feed->write(buffer.constData(), len);
if (firstBuffer) {
// Check for transition to ActiveState when data is provided
QVERIFY2((stateSignal.count() == 1),
QString("didn't emit signal after receiving data, got %1 signals instead")
.arg(stateSignal.count()).toLocal8Bit().constData());
QVERIFY2((audioOutput.state() == QAudio::ActiveState), "didn't transition to ActiveState after receiving data");
QVERIFY2((audioOutput.error() == QAudio::NoError), "error state is not equal to QAudio::NoError after receiving data");
firstBuffer = false;
}
} else
QTest::qWait(20);
}
stateSignal.clear();
audioOutput.suspend();
// Give backends running in separate threads a chance to suspend.
QTest::qWait(100);
QVERIFY2((stateSignal.count() == 1),
QString("didn't emit SuspendedState signal after suspend(), got %1 signals instead")
.arg(stateSignal.count()).toLocal8Bit().constData());
QVERIFY2((audioOutput.state() == QAudio::SuspendedState), "didn't transition to SuspendedState after suspend()");
QVERIFY2((audioOutput.error() == QAudio::NoError), "error state is not equal to QAudio::NoError after suspend()");
stateSignal.clear();
// Check that only 'elapsed', and not 'processed' increases while suspended
qint64 elapsedUs = audioOutput.elapsedUSecs();
qint64 processedUs = audioOutput.processedUSecs();
QTest::qWait(1000);
QVERIFY(audioOutput.elapsedUSecs() > elapsedUs);
QVERIFY(audioOutput.processedUSecs() == processedUs);
audioOutput.resume();
// Give backends running in separate threads a chance to resume
// but not too much or the rest of the file may be processed
QTest::qWait(20);
// Check that QAudioOutput immediately transitions to ActiveState
QVERIFY2((stateSignal.count() == 1),
QString("didn't emit signal after resume(), got %1 signals instead").arg(stateSignal.count()).toLocal8Bit().constData());
QVERIFY2((audioOutput.state() == QAudio::ActiveState), "didn't transition to ActiveState after resume()");
QVERIFY2((audioOutput.error() == QAudio::NoError), "error state is not equal to QAudio::NoError after resume()");
stateSignal.clear();
// Play rest of the clip
while (!audioFile->atEnd()) {
if (audioOutput.bytesFree() >= audioOutput.periodSize()) {
qint64 len = audioFile->read(buffer.data(),audioOutput.periodSize());
written += feed->write(buffer.constData(), len);
} else
QTest::qWait(20);
}
stateSignal.clear();
// Wait until playback finishes
QTest::qWait(1000); // 1 seconds should be plenty
QVERIFY2(audioFile->atEnd(), "didn't play to EOF");
QVERIFY2((stateSignal.count() == 1),
QString("didn't emit IdleState signal when at EOF, got %1 signals instead").arg(stateSignal.count()).toLocal8Bit().constData());
QVERIFY2((audioOutput.state() == QAudio::IdleState), "didn't transitions to IdleState when at EOF");
stateSignal.clear();
processedUs = audioOutput.processedUSecs();
audioOutput.stop();
QTest::qWait(40);
QVERIFY2((stateSignal.count() == 1),
QString("didn't emit StoppedState signal after stop(), got %1 signals instead").arg(stateSignal.count()).toLocal8Bit().constData());
QVERIFY2((audioOutput.state() == QAudio::StoppedState), "didn't transitions to StoppedState after stop()");
QVERIFY2((processedUs == 2000000),
QString("processedUSecs() doesn't equal file duration in us (%1)").arg(processedUs).toLocal8Bit().constData());
QVERIFY2((audioOutput.error() == QAudio::NoError), "error() is not QAudio::NoError after stop()");
QVERIFY2((audioOutput.elapsedUSecs() == (qint64)0), "elapsedUSecs() not equal to zero in StoppedState");
audioFile->close();
}
void tst_QAudioOutput::pushUnderrun()
{
QFETCH(FilePtr, audioFile);
QFETCH(QAudioFormat, audioFormat);
QAudioOutput audioOutput(audioFormat, this);
audioOutput.setNotifyInterval(100);
audioOutput.setVolume(0.1f);
QSignalSpy notifySignal(&audioOutput, SIGNAL(notify()));
QSignalSpy stateSignal(&audioOutput, SIGNAL(stateChanged(QAudio::State)));
// Check that we are in the default state before calling start
QVERIFY2((audioOutput.state() == QAudio::StoppedState), "state() was not set to StoppedState before start()");
QVERIFY2((audioOutput.error() == QAudio::NoError), "error() was not set to QAudio::NoError before start()");
QVERIFY2((audioOutput.elapsedUSecs() == qint64(0)),"elapsedUSecs() not zero on creation");
audioFile->close();
audioFile->open(QIODevice::ReadOnly);
audioFile->seek(WavHeader::headerLength());
QIODevice* feed = audioOutput.start();
// Check that QAudioOutput immediately transitions to IdleState
QTRY_VERIFY2((stateSignal.count() == 1),
QString("didn't emit signal on start(), got %1 signals instead").arg(stateSignal.count()).toLocal8Bit().constData());
QVERIFY2((audioOutput.state() == QAudio::IdleState), "didn't transition to IdleState after start()");
QVERIFY2((audioOutput.error() == QAudio::NoError), "error state is not equal to QAudio::NoError after start()");
QVERIFY(audioOutput.periodSize() > 0);
stateSignal.clear();
// Check that 'elapsed' increases
QTest::qWait(40);
QVERIFY2((audioOutput.elapsedUSecs() > 0), "elapsedUSecs() is still zero after start()");
QVERIFY2((audioOutput.processedUSecs() == qint64(0)), "processedUSecs() is not zero after start()");
qint64 written = 0;
bool firstBuffer = true;
QByteArray buffer(AUDIO_BUFFER, 0);
// Play half of the clip
while (written < (audioFile->size()-WavHeader::headerLength())/2) {
if (audioOutput.bytesFree() >= audioOutput.periodSize()) {
qint64 len = audioFile->read(buffer.data(),audioOutput.periodSize());
written += feed->write(buffer.constData(), len);
if (firstBuffer) {
// Check for transition to ActiveState when data is provided
QVERIFY2((stateSignal.count() == 1),
QString("didn't emit signal after receiving data, got %1 signals instead")
.arg(stateSignal.count()).toLocal8Bit().constData());
QVERIFY2((audioOutput.state() == QAudio::ActiveState), "didn't transition to ActiveState after receiving data");
QVERIFY2((audioOutput.error() == QAudio::NoError), "error state is not equal to QAudio::NoError after receiving data");
firstBuffer = false;
}
} else
QTest::qWait(20);
}
stateSignal.clear();
// Wait for data to be played
QTest::qWait(1000);
QVERIFY2((stateSignal.count() == 1),
QString("didn't emit IdleState signal after suspend(), got %1 signals instead")
.arg(stateSignal.count()).toLocal8Bit().constData());
QVERIFY2((audioOutput.state() == QAudio::IdleState), "didn't transition to IdleState, no data");
QVERIFY2((audioOutput.error() == QAudio::UnderrunError), "error state is not equal to QAudio::UnderrunError, no data");
stateSignal.clear();
firstBuffer = true;
// Play rest of the clip
while (!audioFile->atEnd()) {
if (audioOutput.bytesFree() >= audioOutput.periodSize()) {
qint64 len = audioFile->read(buffer.data(),audioOutput.periodSize());
written += feed->write(buffer.constData(), len);
if (firstBuffer) {
// Check for transition to ActiveState when data is provided
QVERIFY2((stateSignal.count() == 1),
QString("didn't emit signal after receiving data, got %1 signals instead")
.arg(stateSignal.count()).toLocal8Bit().constData());
QVERIFY2((audioOutput.state() == QAudio::ActiveState), "didn't transition to ActiveState after receiving data");
QVERIFY2((audioOutput.error() == QAudio::NoError), "error state is not equal to QAudio::NoError after receiving data");
firstBuffer = false;
}
} else
QTest::qWait(20);
}
stateSignal.clear();
// Wait until playback finishes
QTest::qWait(1000); // 1 seconds should be plenty
QVERIFY2(audioFile->atEnd(), "didn't play to EOF");
QVERIFY2((stateSignal.count() == 1),
QString("didn't emit IdleState signal when at EOF, got %1 signals instead").arg(stateSignal.count()).toLocal8Bit().constData());
QVERIFY2((audioOutput.state() == QAudio::IdleState), "didn't transitions to IdleState when at EOF");
stateSignal.clear();
qint64 processedUs = audioOutput.processedUSecs();
audioOutput.stop();
QTest::qWait(40);
QVERIFY2((stateSignal.count() == 1),
QString("didn't emit StoppedState signal after stop(), got %1 signals instead").arg(stateSignal.count()).toLocal8Bit().constData());
QVERIFY2((audioOutput.state() == QAudio::StoppedState), "didn't transitions to StoppedState after stop()");
QVERIFY2((processedUs == 2000000),
QString("processedUSecs() doesn't equal file duration in us (%1)").arg(processedUs).toLocal8Bit().constData());
QVERIFY2((audioOutput.error() == QAudio::NoError), "error() is not QAudio::NoError after stop()");
QVERIFY2((audioOutput.elapsedUSecs() == (qint64)0), "elapsedUSecs() not equal to zero in StoppedState");
audioFile->close();
}
void tst_QAudioOutput::volume_data()
{
QTest::addColumn<float>("actualFloat");
QTest::addColumn<int>("expectedInt");
QTest::newRow("Volume 0.3") << 0.3f << 3;
QTest::newRow("Volume 0.6") << 0.6f << 6;
QTest::newRow("Volume 0.9") << 0.9f << 9;
}
void tst_QAudioOutput::volume()
{
QFETCH(float, actualFloat);
QFETCH(int, expectedInt);
QAudioOutput audioOutput(audioDevice.preferredFormat(), this);
audioOutput.setVolume(actualFloat);
QTRY_VERIFY(qRound(audioOutput.volume()*10.0f) == expectedInt);
// Wait a while to see if this changes
QTest::qWait(500);
QTRY_VERIFY(qRound(audioOutput.volume()*10.0f) == expectedInt);
}
QTEST_MAIN(tst_QAudioOutput)
#include "tst_qaudiooutput.moc"
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