/****************************************************************************

**

** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

** All rights reserved.

** Contact: Nokia Corporation (qt-info@nokia.com)

**

** This file is part of the Qt Mobility Components.

**

** $QT_BEGIN_LICENSE:LGPL$

** 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.

**

**

**

**

**

**

**

**

** $QT_END_LICENSE$

**

****************************************************************************/

#include <QtTest/QtTest>

#include <QDebug>

#include <qmediaobject.h>

#include <qmediacontrol.h>

#include <qmediaservice.h>

#include <qmediarecordercontrol.h>

#include <qmediarecorder.h>

#include <qaudioendpointselector.h>

#include <qaudioencodercontrol.h>

#include <qmediacontainercontrol.h>

#include <QtMultimedia/qaudioformat.h>

#include <qaudiocapturesource.h>

#define QTRY_COMPARE(a,e)                       \

    for (int _i = 0; _i < 5000; _i += 100) {    \

        if ((a) == (e)) break;                  \

        QTest::qWait(100);                      \

    }                                           \

    QCOMPARE(a, e)

#define QTRY_VERIFY(a)                       \

    for (int _i = 0; _i < 5000; _i += 100) {    \

        if (a) break;                  \

        QTest::qWait(100);                      \

    }                                           \

    QVERIFY(a)

QT_USE_NAMESPACE

class tst_QMediaRecorder: public QObject

{

    Q_OBJECT

public slots:

    void initTestCase();

    void cleanupTestCase();

private slots:

    // Positive test cases

    void testMediaRecorderObject();

    void testAudioSink();

    void testAudioEndPointSelector();

    void testDefaultAudioEncodingSettings();

    void testAudioWav();

    void testAudioWavSr8kHz();

    void testAudioWavSr16kHz();

    void testAudioWavSr32kHz();

    void testAudioWavSr96kHz();

    void testAudioWavSr8kHzStereo();

    void testAudioWavSr16kHzStereo();

    void testAudioWavSr32kHzStereo();

    void testAudioWavSr96kHzStereo();

    void testAudioWavQualityVeryLow();

    void testAudioWavQualityLow();

    void testAudioWavQualityNormal();

    void testAudioWavQualityHigh();

    void testAudioWavQualityVeryHigh();

    // Negetive test cases

    void testAudioWavSr4kHz();

    void testAudioWavSr8kHz5Channel();

    // Positive test cases

    void testAudioAmr();

    void testAudioAmrBr4750bps();

    void testAudioAmrBr5150bps();

    void testAudioAmrBr5900bps();

    void testAudioAmrBr6700bps();

    void testAudioAmrBr7400bps();

    void testAudioAmrBr7950bps();

    void testAudioAmrBr10200bps();

    void testAudioAmrBr12200bps();

    void testAudioAmrQualityVeryLow();

    void testAudioAmrQualityLow();

    void testAudioAmrQualityNormal();

    void testAudioAmrQualityHigh();

    void testAudioAmrQualityVeryHigh();

    // Negetive test cases

    void testAudioAmrSr8kHzMono();

    void testAudioAmrStereo();

    void testAudioAmrSr16kHz();

    // Positive test cases

    void testAudioMpeg();

    void testAudioMpegBr32kSr8kHz();

    void testAudioMpegBr32kbpsSr8kHzStereo();

    void testAudioMpegBr128kbpsSr16kHz();

    void testAudioMpegBr128kbpsSr16kHzStereo();

    void testAudioMpegBr256kbpsSr48kHz();

    void testAudioMpegBr256kbpsSr48kHzStereo();

    void testAudioMpegQualityVeryLow();

    void testAudioMpegQualityLow();

    void testAudioMpegQualityNormal();

    void testAudioMpegQualityHigh();

    void testAudioMpegQualityVeryHigh();

    // Negetive test cases

    void testAudioMpegBr16kSr8kHz();

private:

    QUrl nextFileName(QDir outputDir, QString appendName, QString ext);

    QAudioEncoderControl *audioEncoder;

    QAudioEndpointSelector *audioEndpoint;

    QMediaRecorder  *audiocapture;

    QAudioCaptureSource *captureSource;

};

void tst_QMediaRecorder::initTestCase()

{

    qRegisterMetaType<QMediaRecorder::State>("QMediaRecorder::State");

    qRegisterMetaType<QMediaRecorder::Error>("QMediaRecorder::Error");

    captureSource = new QAudioCaptureSource;

    audiocapture = new QMediaRecorder(captureSource);

    audioEndpoint = qobject_cast<QAudioEndpointSelector*>(audiocapture->service()->control(QAudioEndpointSelector_iid));

    audioEncoder = qobject_cast<QAudioEncoderControl*>(audiocapture->service()->control(QAudioEncoderControl_iid));

}

void tst_QMediaRecorder::cleanupTestCase()

{

    delete audiocapture;

    delete captureSource;

}

void tst_QMediaRecorder::testMediaRecorderObject()

{

    //audioocontainer types

    QCOMPARE(audiocapture->audioCodecDescription("pcm"), QString("pcm"));

    QCOMPARE(audiocapture->audioCodecDescription("amr"), QString("amr"));

    QCOMPARE(audiocapture->audioCodecDescription("aac"), QString("aac"));

    QCOMPARE(audiocapture->containerDescription("audio/wav"), QString("wav container"));

    QCOMPARE(audiocapture->containerDescription("audio/amr"), QString("amr File format"));

    QCOMPARE(audiocapture->containerDescription("audio/mpeg"), QString("mpeg container"));

    QCOMPARE(audiocapture->containerMimeType(), QString("audio/wav"));

    QCOMPARE(audiocapture->error(), QMediaRecorder::NoError);

    QCOMPARE(audiocapture->errorString(), QString());

    QCOMPARE(audiocapture->outputLocation().toLocalFile(), QString());

    QCOMPARE(audiocapture->state(), QMediaRecorder::StoppedState);

    QCOMPARE(audiocapture->supportedAudioCodecs().count(), 3); // "pcm", "amr", "aac");

    QAudioEncoderSettings settings;

    settings.setCodec("pcm");

    QCOMPARE(audiocapture->supportedAudioSampleRates(settings).count(), 12);

    bool isContinuous;

    audiocapture->supportedAudioSampleRates(settings, &isContinuous);

    QCOMPARE(isContinuous, false);

    QCOMPARE(audiocapture->supportedContainers().count(), 3); // "audio/wav", "audio/amr", "audio/mpeg");

}

void tst_QMediaRecorder::testAudioSink()

{

    audiocapture->setOutputLocation(QUrl("test.wav"));

    QUrl s = audiocapture->outputLocation();

    QCOMPARE(s.toString(), QString("test.wav"));

}

void tst_QMediaRecorder::testAudioEndPointSelector()

{

    QSignalSpy audioSignal(audioEndpoint,SIGNAL(activeEndpointChanged(QString)));

    QVERIFY(audioEndpoint->availableEndpoints().count() == 1);

    QVERIFY(audioEndpoint->defaultEndpoint().compare("Default Mic") == 0);

    audioEndpoint->setActiveEndpoint("Default Mic");

    QVERIFY(audioEndpoint->activeEndpoint().compare("Default Mic") == 0);

    QVERIFY(audioSignal.count() == 1);

    QVERIFY(audioEndpoint->endpointDescription("Default Mic").compare("Default Mic") == 0);

}

void tst_QMediaRecorder::testDefaultAudioEncodingSettings()

{

    QAudioEncoderSettings audioSettings = audiocapture->audioSettings();

    QCOMPARE(audioSettings.codec(), QString("pcm"));

    QCOMPARE(audiocapture->containerMimeType(), QString("audio/wav"));

    QCOMPARE(audioSettings.bitRate(), 0);

    QCOMPARE(audioSettings.channelCount(), 1);

    QCOMPARE(audioSettings.encodingMode(), QtMultimedia::ConstantQualityEncoding);

    QCOMPARE(audioSettings.quality(), QtMultimedia::VeryLowQuality);

    QCOMPARE(audioSettings.sampleRate(), 8000);

}

void tst_QMediaRecorder::testAudioWav()

{

    QSignalSpy stateSignal(audiocapture,SIGNAL(stateChanged(QMediaRecorder::State)));

    QCOMPARE(audiocapture->state(), QMediaRecorder::StoppedState);

    QTest::qWait(500);  // wait for recorder to initialize itself

    audiocapture->setOutputLocation(nextFileName(QDir::rootPath(), "", "wav"));

    audiocapture->record();

    QTRY_COMPARE(stateSignal.count(), 1); // wait for callbacks to complete in symbian API

    QCOMPARE(audiocapture->state(), QMediaRecorder::RecordingState);

    QCOMPARE(audiocapture->error(), QMediaRecorder::NoError);

    QCOMPARE(audiocapture->errorString(), QString());

    QCOMPARE(stateSignal.count(), 1);

    QTest::qWait(5000);  // wait for 5 seconds

    audiocapture->pause();

    QTRY_COMPARE(stateSignal.count(), 2); // wait for callbacks to complete in symbian API

    QCOMPARE(audiocapture->state(), QMediaRecorder::PausedState);

    QCOMPARE(stateSignal.count(), 2);

    audiocapture->stop();

    QTRY_COMPARE(stateSignal.count(), 3); // wait for callbacks to complete in symbian API

    QCOMPARE(audiocapture->state(), QMediaRecorder::StoppedState);

    QCOMPARE(stateSignal.count(), 3);

}

void tst_QMediaRecorder::testAudioWavSr8kHz()

{

    QSignalSpy stateSignal(audiocapture,SIGNAL(stateChanged(QMediaRecorder::State)));

    audiocapture->setOutputLocation(nextFileName(QDir::rootPath(), "Sr8kHz", "wav"));

    QAudioEncoderSettings audioSettings;

    audioSettings.setCodec("pcm");

    audioSettings.setEncodingMode(QtMultimedia::ConstantBitRateEncoding);

    audioSettings.setSampleRate(8000);

    QVideoEncoderSettings videoSettings;

    audiocapture->setEncodingSettings(audioSettings, videoSettings, QString("audio/wav"));

    QCOMPARE(audiocapture->state(), QMediaRecorder::StoppedState);

    QTest::qWait(500);  // wait for recorder to initialize itself

    audiocapture->record();

    QTRY_COMPARE(stateSignal.count(), 1); // wait for callbacks to complete in symbian API

    QCOMPARE(audiocapture->state(), QMediaRecorder::RecordingState);

    QCOMPARE(audiocapture->error(), QMediaRecorder::NoError);

    QCOMPARE(audiocapture->errorString(), QString());

    QCOMPARE(stateSignal.count(), 1);

    QTest::qWait(5000);  // wait for 5 seconds

    audiocapture->pause();

    QTRY_COMPARE(stateSignal.count(), 2); // wait for callbacks to complete in symbian API

    QCOMPARE(audiocapture->state(), QMediaRecorder::PausedState);

    QCOMPARE(stateSignal.count(), 2);

    audiocapture->stop();

    QTRY_COMPARE(stateSignal.count(), 3); // wait for callbacks to complete in symbian API

    QCOMPARE(audiocapture->state(), QMediaRecorder::StoppedState);

    QCOMPARE(stateSignal.count(), 3);

}

void tst_QMediaRecorder::testAudioWavSr16kHz()

{

    QSignalSpy stateSignal(audiocapture,SIGNAL(stateChanged(QMediaRecorder::State)));

    audiocapture->setOutputLocation(nextFileName(QDir::rootPath(), "Sr16kHz", "wav"));

    QAudioEncoderSettings audioSettings;

    audioSettings.setCodec("pcm");

    audioSettings.setEncodingMode(QtMultimedia::ConstantBitRateEncoding);

    audioSettings.setSampleRate(16000);

    QVideoEncoderSettings videoSettings;

    audiocapture->setEncodingSettings(audioSettings, videoSettings, QString("audio/wav"));

    QCOMPARE(audiocapture->state(), QMediaRecorder::StoppedState);

    QTest::qWait(500);  // wait for recorder to initialize itself

    audiocapture->record();

    QTRY_COMPARE(stateSignal.count(), 1); // wait for callbacks to complete in symbian API

    QCOMPARE(audiocapture->state(), QMediaRecorder::RecordingState);

    QCOMPARE(audiocapture->error(), QMediaRecorder::NoError);

    QCOMPARE(audiocapture->errorString(), QString());

    QCOMPARE(stateSignal.count(), 1);

    QTest::qWait(5000);  // wait for 5 seconds

    audiocapture->pause();

    QTRY_COMPARE(stateSignal.count(), 2); // wait for callbacks to complete in symbian API

    QCOMPARE(audiocapture->state(), QMediaRecorder::PausedState);

    QCOMPARE(stateSignal.count(), 2);

    audiocapture->stop();

    QTRY_COMPARE(stateSignal.count(), 3); // wait for callbacks to complete in symbian API

    QCOMPARE(audiocapture->state(), QMediaRecorder::StoppedState);

    QCOMPARE(stateSignal.count(), 3);

}

void tst_QMediaRecorder::testAudioWavSr32kHz()

{

    QSignalSpy stateSignal(audiocapture,SIGNAL(stateChanged(QMediaRecorder::State)));

    audiocapture->setOutputLocation(nextFileName(QDir::rootPath(), "Sr32kHz", "wav"));

    QAudioEncoderSettings audioSettings;

    audioSettings.setCodec("pcm");

    audioSettings.setEncodingMode(QtMultimedia::ConstantBitRateEncoding);

    audioSettings.setSampleRate(32000);

    QVideoEncoderSettings videoSettings;

    audiocapture->setEncodingSettings(audioSettings, videoSettings, QString("audio/wav"));

    QCOMPARE(audiocapture->state(), QMediaRecorder::StoppedState);

    QTest::qWait(500);  // wait for recorder to initialize itself

    audiocapture->record();

    QTRY_COMPARE(stateSignal.count(), 1); // wait for callbacks to complete in symbian API

    QCOMPARE(audiocapture->state(), QMediaRecorder::RecordingState);

    QCOMPARE(audiocapture->error(), QMediaRecorder::NoError);

    QCOMPARE(audiocapture->errorString(), QString());

    QCOMPARE(stateSignal.count(), 1);

    QTest::qWait(5000);  // wait for 5 seconds

    audiocapture->pause();

    QTRY_COMPARE(stateSignal.count(), 2); // wait for callbacks to complete in symbian API

    QCOMPARE(audiocapture->state(), QMediaRecorder::PausedState);

    QCOMPARE(stateSignal.count(), 2);

    audiocapture->stop();

    QTRY_COMPARE(stateSignal.count(), 3); // wait for callbacks to complete in symbian API

    QCOMPARE(audiocapture->state(), QMediaRecorder::StoppedState);

    QCOMPARE(stateSignal.count(), 3);

}

void tst_QMediaRecorder::testAudioWavSr96kHz()

{

    QSignalSpy stateSignal(audiocapture,SIGNAL(stateChanged(QMediaRecorder::State)));

    audiocapture->setOutputLocation(nextFileName(QDir::rootPath(), "Sr32kHz", "wav"));

    QAudioEncoderSettings audioSettings;

    audioSettings.setCodec("pcm");

    audioSettings.setEncodingMode(QtMultimedia::ConstantBitRateEncoding);

    audioSettings.setSampleRate(96000);

    QVideoEncoderSettings videoSettings;

    audiocapture->setEncodingSettings(audioSettings, videoSettings, QString("audio/wav"));

    QCOMPARE(audiocapture->state(), QMediaRecorder::StoppedState);

    QTest::qWait(500);  // wait for recorder to initialize itself

    audiocapture->record();

    QTRY_COMPARE(stateSignal.count(), 1); // wait for callbacks to complete in symbian API

    QCOMPARE(audiocapture->state(), QMediaRecorder::RecordingState);

    QCOMPARE(audiocapture->error(), QMediaRecorder::NoError);

    QCOMPARE(audiocapture->errorString(), QString());

    QCOMPARE(stateSignal.count(), 1);

    QTest::qWait(5000);  // wait for 5 seconds

    audiocapture->pause();

    QTRY_COMPARE(stateSignal.count(), 2); // wait for callbacks to complete in symbian API

    QCOMPARE(audiocapture->state(), QMediaRecorder::PausedState);

    QCOMPARE(stateSignal.count(), 2);

    audiocapture->stop();

    QTRY_COMPARE(stateSignal.count(), 3); // wait for callbacks to complete in symbian API

    QCOMPARE(audiocapture->state(), QMediaRecorder::StoppedState);

    QCOMPARE(stateSignal.count(), 3);

}

void tst_QMediaRecorder::testAudioWavSr8kHzStereo()

{

    QSignalSpy stateSignal(audiocapture,SIGNAL(stateChanged(QMediaRecorder::State)));

    audiocapture->setOutputLocation(nextFileName(QDir::rootPath(), "Sr8kHzStereo", "wav"));

    QAudioEncoderSettings audioSettings;

    audioSettings.setCodec("pcm");

    audioSettings.setEncodingMode(QtMultimedia::ConstantBitRateEncoding);

    audioSettings.setSampleRate(8000);

    audioSettings.setChannelCount(2);

    QVideoEncoderSettings videoSettings;

    audiocapture->setEncodingSettings(audioSettings, videoSettings, QString("audio/wav"));

    QCOMPARE(audiocapture->state(), QMediaRecorder::StoppedState);

    QTest::qWait(500);  // wait for recorder to initialize itself

    audiocapture->record();

    QTRY_COMPARE(stateSignal.count(), 1); // wait for callbacks to complete in symbian API

    QCOMPARE(audiocapture->state(), QMediaRecorder::RecordingState);

    QCOMPARE(audiocapture->error(), QMediaRecorder::NoError);

    QCOMPARE(audiocapture->errorString(), QString());

    QCOMPARE(stateSignal.count(), 1);

    QTest::qWait(5000);  // wait for 5 seconds

    audiocapture->pause();

    QTRY_COMPARE(stateSignal.count(), 2); // wait for callbacks to complete in symbian API

    QCOMPARE(audiocapture->state(), QMediaRecorder::PausedState);

    QCOMPARE(stateSignal.count(), 2);

    audiocapture->stop();

    QTRY_COMPARE(stateSignal.count(), 3); // wait for callbacks to complete in symbian API

    QCOMPARE(audiocapture->state(), QMediaRecorder::StoppedState);

    QCOMPARE(stateSignal.count(), 3);

}

void tst_QMediaRecorder::testAudioWavSr16kHzStereo()

{

    QSignalSpy stateSignal(audiocapture,SIGNAL(stateChanged(QMediaRecorder::State)));

    audiocapture->setOutputLocation(nextFileName(QDir::rootPath(), "Sr16kHzStereo", "wav"));

    QAudioEncoderSettings audioSettings;

    audioSettings.setCodec("pcm");

    audioSettings.setEncodingMode(QtMultimedia::ConstantBitRateEncoding);

    audioSettings.setSampleRate(16000);

    audioSettings.setChannelCount(2);

    QVideoEncoderSettings videoSettings;

    audiocapture->setEncodingSettings(audioSettings, videoSettings, QString("audio/wav"));

    QCOMPARE(audiocapture->state(), QMediaRecorder::StoppedState);

    QTest::qWait(500);  // wait for recorder to initialize itself

    audiocapture->record();

    QTRY_COMPARE(stateSignal.count(), 1); // wait for callbacks to complete in symbian API

    QCOMPARE(audiocapture->state(), QMediaRecorder::RecordingState);

    QCOMPARE(audiocapture->error(), QMediaRecorder::NoError);

    QCOMPARE(audiocapture->errorString(), QString());

    QCOMPARE(stateSignal.count(), 1);

    QTest::qWait(5000);  // wait for 5 seconds

    audiocapture->pause();

    QTRY_COMPARE(stateSignal.count(), 2); // wait for callbacks to complete in symbian API

    QCOMPARE(audiocapture->state(), QMediaRecorder::PausedState);

    QCOMPARE(stateSignal.count(), 2);

    audiocapture->stop();

    QTRY_COMPARE(stateSignal.count(), 3); // wait for callbacks to complete in symbian API

    QCOMPARE(audiocapture->state(), QMediaRecorder::StoppedState);

    QCOMPARE(stateSignal.count(), 3);

}

void tst_QMediaRecorder::testAudioWavSr32kHzStereo()

{

    QSignalSpy stateSignal(audiocapture,SIGNAL(stateChanged(QMediaRecorder::State)));

    audiocapture->setOutputLocation(nextFileName(QDir::rootPath(), "Sr32kHzStereo", "wav"));

    QAudioEncoderSettings audioSettings;

    audioSettings.setCodec("pcm");

    audioSettings.setEncodingMode(QtMultimedia::ConstantBitRateEncoding);

    audioSettings.setSampleRate(32000);

    audioSettings.setChannelCount(2);

    QVideoEncoderSettings videoSettings;

    audiocapture->setEncodingSettings(audioSettings, videoSettings, QString("audio/wav"));

    QCOMPARE(audiocapture->state(), QMediaRecorder::StoppedState);

    QTest::qWait(500);  // wait for recorder to initialize itself

    audiocapture->record();

    QTRY_COMPARE(stateSignal.count(), 1); // wait for callbacks to complete in symbian API

    QCOMPARE(audiocapture->state(), QMediaRecorder::RecordingState);

    QCOMPARE(audiocapture->error(), QMediaRecorder::NoError);

    QCOMPARE(audiocapture->errorString(), QString());

    QCOMPARE(stateSignal.count(), 1);

    QTest::qWait(5000);  // wait for 5 seconds

    audiocapture->pause();

    QTRY_COMPARE(stateSignal.count(), 2); // wait for callbacks to complete in symbian API

    QCOMPARE(audiocapture->state(), QMediaRecorder::PausedState);

    QCOMPARE(stateSignal.count(), 2);

    audiocapture->stop();

    QTRY_COMPARE(stateSignal.count(), 3); // wait for callbacks to complete in symbian API

    QCOMPARE(audiocapture->state(), QMediaRecorder::StoppedState);

    QCOMPARE(stateSignal.count(), 3);

}

void tst_QMediaRecorder::testAudioWavSr96kHzStereo()

{

    QSignalSpy stateSignal(audiocapture,SIGNAL(stateChanged(QMediaRecorder::State)));

    audiocapture->setOutputLocation(nextFileName(QDir::rootPath(), "Sr32kHzStereo", "wav"));

    QAudioEncoderSettings audioSettings;

    audioSettings.setCodec("pcm");

    audioSettings.setEncodingMode(QtMultimedia::ConstantBitRateEncoding);

    audioSettings.setSampleRate(96000);

    audioSettings.setChannelCount(2);

    QVideoEncoderSettings videoSettings;

    audiocapture->setEncodingSettings(audioSettings, videoSettings, QString("audio/wav"));

    QCOMPARE(audiocapture->state(), QMediaRecorder::StoppedState);

    QTest::qWait(500);  // wait for recorder to initialize itself

    audiocapture->record();

    QTRY_COMPARE(stateSignal.count(), 1); // wait for callbacks to complete in symbian API

    QCOMPARE(audiocapture->state(), QMediaRecorder::RecordingState);

    QCOMPARE(audiocapture->error(), QMediaRecorder::NoError);

    QCOMPARE(audiocapture->errorString(), QString());

    QCOMPARE(stateSignal.count(), 1);

    QTest::qWait(5000);  // wait for 5 seconds

    audiocapture->pause();

    QTRY_COMPARE(stateSignal.count(), 2); // wait for callbacks to complete in symbian API

    QCOMPARE(audiocapture->state(), QMediaRecorder::PausedState);

    QCOMPARE(stateSignal.count(), 2);

    audiocapture->stop();

    QTRY_COMPARE(stateSignal.count(), 3); // wait for callbacks to complete in symbian API

    QCOMPARE(audiocapture->state(), QMediaRecorder::StoppedState);

    QCOMPARE(stateSignal.count(), 3);

}

void tst_QMediaRecorder::testAudioWavQualityVeryLow()

{

    QSignalSpy stateSignal(audiocapture,SIGNAL(stateChanged(QMediaRecorder::State)));

    audiocapture->setOutputLocation(nextFileName(QDir::rootPath(), "VeryLowQuality", "wav"));

    QAudioEncoderSettings audioSettings;

    audioSettings.setCodec("pcm");

    audioSettings.setEncodingMode(QtMultimedia::ConstantQualityEncoding);

    audioSettings.setQuality(QtMultimedia::VeryLowQuality);

    QVideoEncoderSettings videoSettings;

    audiocapture->setEncodingSettings(audioSettings, videoSettings, QString("audio/wav"));

    QCOMPARE(audiocapture->state(), QMediaRecorder::StoppedState);

    QTest::qWait(500);  // wait for recorder to initialize itself

    audiocapture->record();

    QTRY_COMPARE(stateSignal.count(), 1); // wait for callbacks to complete in symbian API

    QCOMPARE(audiocapture->state(), QMediaRecorder::RecordingState);

    QCOMPARE(audiocapture->error(), QMediaRecorder::NoError);

    QCOMPARE(audiocapture->errorString(), QString());

    QCOMPARE(stateSignal.count(), 1);

    QTest::qWait(5000);  // wait for 5 seconds

    audiocapture->pause();

    QTRY_COMPARE(stateSignal.count(), 2); // wait for callbacks to complete in symbian API

    QCOMPARE(audiocapture->state(), QMediaRecorder::PausedState);

    QCOMPARE(stateSignal.count(), 2);

    audiocapture->stop();

    QTRY_COMPARE(stateSignal.count(), 3); // wait for callbacks to complete in symbian API

    QCOMPARE(audiocapture->state(), QMediaRecorder::StoppedState);

    QCOMPARE(stateSignal.count(), 3);

}

void tst_QMediaRecorder::testAudioWavQualityLow()

{

    QSignalSpy stateSignal(audiocapture,SIGNAL(stateChanged(QMediaRecorder::State)));

    audiocapture->setOutputLocation(nextFileName(QDir::rootPath(), "LowQuality", "wav"));

    QAudioEncoderSettings audioSettings;

    audioSettings.setCodec("pcm");

    audioSettings.setEncodingMode(QtMultimedia::ConstantQualityEncoding);

    audioSettings.setQuality(QtMultimedia::LowQuality);

    QVideoEncoderSettings videoSettings;

    audiocapture->setEncodingSettings(audioSettings, videoSettings, QString("audio/wav"));

    QCOMPARE(audiocapture->state(), QMediaRecorder::StoppedState);

    QTest::qWait(500);  // wait for recorder to initialize itself

    audiocapture->record();

    QTRY_COMPARE(stateSignal.count(), 1); // wait for callbacks to complete in symbian API

    QCOMPARE(audiocapture->state(), QMediaRecorder::RecordingState);

    QCOMPARE(audiocapture->error(), QMediaRecorder::NoError);

    QCOMPARE(audiocapture->errorString(), QString());

    QCOMPARE(stateSignal.count(), 1);

    QTest::qWait(5000);  // wait for 5 seconds