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qtmultimedia/tests/auto/unit/qaudiobuffer/tst_qaudiobuffer.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.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtCore/QString>
#include <QtTest/QtTest>
#include <qaudiobuffer.h>
class tst_QAudioBuffer : public QObject
{
Q_OBJECT
public:
tst_QAudioBuffer();
~tst_QAudioBuffer();
private Q_SLOTS:
void ctors();
void assign();
void constData() const;
void data_const() const;
void data();
void durations();
void durations_data();
void stereoSample();
private:
QAudioFormat mFormat;
QAudioBuffer *mNull;
QAudioBuffer *mEmpty;
QAudioBuffer *mFromArray;
};
tst_QAudioBuffer::tst_QAudioBuffer()
{
// Initialize some common buffers
mFormat.setChannelCount(2);
mFormat.setSampleSize(16);
mFormat.setSampleType(QAudioFormat::UnSignedInt);
mFormat.setSampleRate(10000);
mFormat.setCodec("audio/pcm");
QByteArray b(4000, char(0x80));
mNull = new QAudioBuffer;
mEmpty = new QAudioBuffer(500, mFormat); // 500 stereo frames of 16 bits -> 2KB
mFromArray = new QAudioBuffer(b, mFormat);
}
tst_QAudioBuffer::~tst_QAudioBuffer()
{
delete mNull;
delete mEmpty;
delete mFromArray;
}
void tst_QAudioBuffer::ctors()
{
// Null buffer
QVERIFY(!mNull->isValid());
QVERIFY(mNull->constData() == 0);
QVERIFY(mNull->data() == 0);
QVERIFY(((const QAudioBuffer*)mNull)->data() == 0);
QCOMPARE(mNull->duration(), 0LL);
QCOMPARE(mNull->byteCount(), 0);
QCOMPARE(mNull->sampleCount(), 0);
QCOMPARE(mNull->frameCount(), 0);
QCOMPARE(mNull->startTime(), -1LL);
// Empty buffer
QVERIFY(mEmpty->isValid());
QVERIFY(mEmpty->constData() != 0);
QVERIFY(mEmpty->data() != 0);
QVERIFY(((const QAudioBuffer*)mEmpty)->data() != 0);
QCOMPARE(mEmpty->sampleCount(), 1000);
QCOMPARE(mEmpty->frameCount(), 500);
QCOMPARE(mEmpty->duration(), 50000LL);
QCOMPARE(mEmpty->byteCount(), 2000);
QCOMPARE(mEmpty->startTime(), -1LL);
// bytearray buffer
QVERIFY(mFromArray->isValid());
QVERIFY(mFromArray->constData() != 0);
QVERIFY(mFromArray->data() != 0);
QVERIFY(((const QAudioBuffer*)mFromArray)->data() != 0);
/// 4000 bytes at 10KHz, 2ch, 16bit = 40kBps -> 0.1s
QCOMPARE(mFromArray->duration(), 100000LL);
QCOMPARE(mFromArray->byteCount(), 4000);
QCOMPARE(mFromArray->sampleCount(), 2000);
QCOMPARE(mFromArray->frameCount(), 1000);
QCOMPARE(mFromArray->startTime(), -1LL);
// Now some invalid buffers
QAudioBuffer badFormat(1000, QAudioFormat());
QVERIFY(!badFormat.isValid());
QVERIFY(badFormat.constData() == 0);
QVERIFY(badFormat.data() == 0);
QVERIFY(((const QAudioBuffer*)&badFormat)->data() == 0);
QCOMPARE(badFormat.duration(), 0LL);
QCOMPARE(badFormat.byteCount(), 0);
QCOMPARE(badFormat.sampleCount(), 0);
QCOMPARE(badFormat.frameCount(), 0);
QCOMPARE(badFormat.startTime(), -1LL);
QAudioBuffer badArray(QByteArray(), mFormat);
QVERIFY(!badArray.isValid());
QVERIFY(badArray.constData() == 0);
QVERIFY(badArray.data() == 0);
QVERIFY(((const QAudioBuffer*)&badArray)->data() == 0);
QCOMPARE(badArray.duration(), 0LL);
QCOMPARE(badArray.byteCount(), 0);
QCOMPARE(badArray.sampleCount(), 0);
QCOMPARE(badArray.frameCount(), 0);
QCOMPARE(badArray.startTime(), -1LL);
QAudioBuffer badBoth = QAudioBuffer(QByteArray(), QAudioFormat());
QVERIFY(!badBoth.isValid());
QVERIFY(badBoth.constData() == 0);
QVERIFY(badBoth.data() == 0);
QVERIFY(((const QAudioBuffer*)&badBoth)->data() == 0);
QCOMPARE(badBoth.duration(), 0LL);
QCOMPARE(badBoth.byteCount(), 0);
QCOMPARE(badBoth.sampleCount(), 0);
QCOMPARE(badBoth.frameCount(), 0);
QCOMPARE(badBoth.startTime(), -1LL);
}
void tst_QAudioBuffer::assign()
{
// TODO Needs strong behaviour definition
}
void tst_QAudioBuffer::constData() const
{
const void *data = mEmpty->constData();
QVERIFY(data != 0);
const unsigned int *idata = reinterpret_cast<const unsigned int*>(data);
QCOMPARE(*idata, 0U);
const QAudioBuffer::S8U *sdata = mEmpty->constData<QAudioBuffer::S8U>();
QVERIFY(sdata);
QCOMPARE(sdata->left, (unsigned char)0);
QCOMPARE(sdata->right, (unsigned char)0);
// The bytearray one should be 0x80
data = mFromArray->constData();
QVERIFY(data != 0);
idata = reinterpret_cast<const unsigned int *>(data);
QEXPECT_FAIL("", "Unsigned 16bits are cleared to 0x8080 currently", Continue);
QCOMPARE(*idata, 0x80008000);
sdata = mFromArray->constData<QAudioBuffer::S8U>();
QCOMPARE(sdata->left, (unsigned char)0x80);
QCOMPARE(sdata->right, (unsigned char)0x80);
}
void tst_QAudioBuffer::data_const() const
{
const void *data = ((const QAudioBuffer*)mEmpty)->data();
QVERIFY(data != 0);
const unsigned int *idata = reinterpret_cast<const unsigned int*>(data);
QCOMPARE(*idata, 0U);
const QAudioBuffer::S8U *sdata = ((const QAudioBuffer*)mEmpty)->constData<QAudioBuffer::S8U>();
QVERIFY(sdata);
QCOMPARE(sdata->left, (unsigned char)0);
QCOMPARE(sdata->right, (unsigned char)0);
// The bytearray one should be 0x80
data = ((const QAudioBuffer*)mFromArray)->data();
QVERIFY(data != 0);
idata = reinterpret_cast<const unsigned int *>(data);
QEXPECT_FAIL("", "Unsigned 16bits are cleared to 0x8080 currently", Continue);
QCOMPARE(*idata, 0x80008000);
sdata = ((const QAudioBuffer*)mFromArray)->constData<QAudioBuffer::S8U>();
QCOMPARE(sdata->left, (unsigned char)0x80);
QCOMPARE(sdata->right, (unsigned char)0x80);
}
void tst_QAudioBuffer::data()
{
void *data = mEmpty->data();
QVERIFY(data != 0);
unsigned int *idata = reinterpret_cast<unsigned int*>(data);
QCOMPARE(*idata, 0U);
QAudioBuffer::S8U *sdata = mEmpty->data<QAudioBuffer::S8U>();
QVERIFY(sdata);
QCOMPARE(sdata->left, (unsigned char)0);
QCOMPARE(sdata->right, (unsigned char)0);
// The bytearray one should be 0x80
data = mFromArray->data();
QVERIFY(data != 0);
idata = reinterpret_cast<unsigned int *>(data);
QEXPECT_FAIL("", "Unsigned 16bits are cleared to 0x8080 currently", Continue);
QCOMPARE(*idata, 0x80008000);
sdata = mFromArray->data<QAudioBuffer::S8U>();
QCOMPARE(sdata->left, (unsigned char)0x80);
QCOMPARE(sdata->right, (unsigned char)0x80);
}
void tst_QAudioBuffer::durations()
{
QFETCH(int, channelCount);
QFETCH(int, sampleSize);
QFETCH(int, frameCount);
int sampleCount = frameCount * channelCount;
QFETCH(QAudioFormat::SampleType, sampleType);
QFETCH(int, sampleRate);
QFETCH(qint64, duration);
QFETCH(int, byteCount);
QAudioFormat f;
f.setChannelCount(channelCount);
f.setSampleType(sampleType);
f.setSampleSize(sampleSize);
f.setSampleRate(sampleRate);
f.setCodec("audio/pcm");
QAudioBuffer b(frameCount, f);
QCOMPARE(b.frameCount(), frameCount);
QCOMPARE(b.sampleCount(), sampleCount);
QCOMPARE(b.duration(), duration);
QCOMPARE(b.byteCount(), byteCount);
}
void tst_QAudioBuffer::durations_data()
{
QTest::addColumn<int>("channelCount");
QTest::addColumn<int>("sampleSize");
QTest::addColumn<int>("frameCount");
QTest::addColumn<QAudioFormat::SampleType>("sampleType");
QTest::addColumn<int>("sampleRate");
QTest::addColumn<qint64>("duration");
QTest::addColumn<int>("byteCount");
QTest::newRow("M8_1000_8K") << 1 << 8 << 1000 << QAudioFormat::UnSignedInt << 8000 << 125000LL << 1000;
QTest::newRow("M8_2000_8K") << 1 << 8 << 2000 << QAudioFormat::UnSignedInt << 8000 << 250000LL << 2000;
QTest::newRow("M8_1000_4K") << 1 << 8 << 1000 << QAudioFormat::UnSignedInt << 4000 << 250000LL << 1000;
QTest::newRow("S8_1000_8K") << 2 << 8 << 500 << QAudioFormat::UnSignedInt << 8000 << 62500LL << 1000;
QTest::newRow("SF_1000_8K") << 2 << 32 << 500 << QAudioFormat::Float << 8000 << 62500LL << 4000;
QTest::newRow("4x128_1000_16K") << 4 << 128 << 250 << QAudioFormat::SignedInt << 16000 << 15625LL << 16000;
}
void tst_QAudioBuffer::stereoSample()
{
// Uninitialized (should default to zero level for type)
QAudioBuffer::S8U s8u;
QAudioBuffer::S8S s8s;
QAudioBuffer::S16U s16u;
QAudioBuffer::S16S s16s;
QAudioBuffer::S32F s32f;
QCOMPARE(s8u.left, (unsigned char) 0x80);
QCOMPARE(s8u.right, (unsigned char) 0x80);
QCOMPARE(s8u.average(), (unsigned char) 0x80);
QCOMPARE(s8s.left, (signed char) 0x00);
QCOMPARE(s8s.right, (signed char) 0x00);
QCOMPARE(s8s.average(), (signed char) 0x0);
QCOMPARE(s16u.left, (unsigned short) 0x8000);
QCOMPARE(s16u.right, (unsigned short) 0x8000);
QCOMPARE(s16u.average(), (unsigned short) 0x8000);
QCOMPARE(s16s.left, (signed short) 0x0);
QCOMPARE(s16s.right, (signed short) 0x0);
QCOMPARE(s16s.average(), (signed short) 0x0);
QCOMPARE(s32f.left, 0.0f);
QCOMPARE(s32f.right, 0.0f);
QCOMPARE(s32f.average(), 0.0f);
// Initialized
QAudioBuffer::S8U s8u2(34, 145);
QAudioBuffer::S8S s8s2(23, -89);
QAudioBuffer::S16U s16u2(500, 45000);
QAudioBuffer::S16S s16s2(-10000, 346);
QAudioBuffer::S32F s32f2(500.7f, -123.1f);
QCOMPARE(s8u2.left, (unsigned char) 34);
QCOMPARE(s8u2.right, (unsigned char) 145);
QCOMPARE(s8u2.average(), (unsigned char) 89);
QCOMPARE(s8s2.left, (signed char) 23);
QCOMPARE(s8s2.right,(signed char) -89);
QCOMPARE(s8s2.average(), (signed char) -33);
QCOMPARE(s16u2.left, (unsigned short) 500);
QCOMPARE(s16u2.right, (unsigned short) 45000);
QCOMPARE(s16u2.average(), (unsigned short) 22750);
QCOMPARE(s16s2.left, (signed short) -10000);
QCOMPARE(s16s2.right, (signed short) 346);
QCOMPARE(s16s2.average(), (signed short) (-5000 + 173));
QCOMPARE(s32f2.left, 500.7f);
QCOMPARE(s32f2.right, -123.1f);
QCOMPARE(s32f2.average(), (500.7f - 123.1f)/2);
// Assigned
s8u = s8u2;
s8s = s8s2;
s16u = s16u2;
s16s = s16s2;
s32f = s32f2;
QCOMPARE(s8u.left, (unsigned char) 34);
QCOMPARE(s8u.right, (unsigned char) 145);
QCOMPARE(s8u.average(), (unsigned char) 89);
QCOMPARE(s8s.left, (signed char) 23);
QCOMPARE(s8s.right, (signed char) -89);
QCOMPARE(s8s.average(), (signed char) -33);
QCOMPARE(s16u.left, (unsigned short) 500);
QCOMPARE(s16u.right, (unsigned short) 45000);
QCOMPARE(s16u.average(), (unsigned short) 22750);
QCOMPARE(s16s.left, (signed short) -10000);
QCOMPARE(s16s.right, (signed short) 346);
QCOMPARE(s16s.average(), (signed short) (-5000 + 173));
QCOMPARE(s32f.left, 500.7f);
QCOMPARE(s32f.right, -123.1f);
QCOMPARE(s32f.average(), (500.7f - 123.1f)/2);
// Cleared
s8u.clear();
s8s.clear();
s16u.clear();
s16s.clear();
s32f.clear();
QCOMPARE(s8u.left, (unsigned char) 0x80);
QCOMPARE(s8u.right, (unsigned char) 0x80);
QCOMPARE(s8u.average(), (unsigned char) 0x80);
QCOMPARE(s8s.left, (signed char) 0x00);
QCOMPARE(s8s.right, (signed char) 0x00);
QCOMPARE(s8s.average(), (signed char) 0x0);
QCOMPARE(s16u.left, (unsigned short) 0x8000);
QCOMPARE(s16u.right, (unsigned short) 0x8000);
QCOMPARE(s16u.average(), (unsigned short) 0x8000);
QCOMPARE(s16s.left, (signed short) 0x0);
QCOMPARE(s16s.right, (signed short) 0x0);
QCOMPARE(s16s.average(), (signed short) 0x0);
QCOMPARE(s32f.left, 0.0f);
QCOMPARE(s32f.right, 0.0f);
QCOMPARE(s32f.average(), 0.0f);
}
QTEST_APPLESS_MAIN(tst_QAudioBuffer);
#include "tst_qaudiobuffer.moc"
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