1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
|
/****************************************************************************
**
** 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 test suite 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.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtTest/QtTest>
#include <QtCore/qlocale.h>
#include <qaudiooutput.h>
#include <qaudiodeviceinfo.h>
#include <qaudio.h>
#include <qaudioformat.h>
class tst_QAudioOutput : public QObject
{
Q_OBJECT
public:
tst_QAudioOutput(QObject* parent=0) : QObject(parent) {}
private slots:
void initTestCase();
void settings();
void buffers();
void notifyInterval();
void pullFile();
void pushFile();
private:
bool available;
QAudioFormat format;
QAudioOutput* audio;
};
void tst_QAudioOutput::initTestCase()
{
format.setSampleRate(8000);
format.setChannelCount(1);
format.setSampleSize(8);
format.setCodec("audio/pcm");
format.setByteOrder(QAudioFormat::LittleEndian);
format.setSampleType(QAudioFormat::UnSignedInt);
// Only perform tests if audio output device exists!
QList<QAudioDeviceInfo> devices = QAudioDeviceInfo::availableDevices(QAudio::AudioOutput);
if(devices.size() > 0)
available = true;
else {
qWarning()<<"NOTE: no audio output device found, no test will be performed";
available = false;
}
audio = new QAudioOutput(format, this);
}
void tst_QAudioOutput::settings()
{
if(available) {
// Confirm the setting we added in the init function.
QAudioFormat f = audio->format();
QVERIFY(format.channelCount() == f.channelCount());
QVERIFY(format.sampleRate() == f.sampleRate());
QVERIFY(format.sampleSize() == f.sampleSize());
QVERIFY(format.codec() == f.codec());
QVERIFY(format.byteOrder() == f.byteOrder());
QVERIFY(format.sampleType() == f.sampleType());
}
}
void tst_QAudioOutput::buffers()
{
if(available) {
// Should always have a buffer size greater than zero.
int store = audio->bufferSize();
audio->setBufferSize(4096);
QVERIFY(audio->bufferSize() > 0);
audio->setBufferSize(store);
QVERIFY(audio->bufferSize() == store);
}
}
void tst_QAudioOutput::notifyInterval()
{
if(available) {
QVERIFY(audio->notifyInterval() == 1000); // Default
audio->setNotifyInterval(500);
QVERIFY(audio->notifyInterval() == 500); // Custom
audio->setNotifyInterval(1000); // reset
}
}
void tst_QAudioOutput::pullFile()
{
if(available) {
QFile file(SRCDIR "4.wav");
QVERIFY(file.exists());
file.open(QIODevice::ReadOnly);
QSignalSpy readSignal(audio, SIGNAL(notify()));
QSignalSpy stateSignal(audio, SIGNAL(stateChanged(QAudio::State)));
audio->setNotifyInterval(100);
// Always have default states, before start
QVERIFY(audio->state() == QAudio::StoppedState);
QVERIFY(audio->error() == QAudio::NoError);
QVERIFY(audio->elapsedUSecs() == 0);
audio->start(&file);
QTest::qWait(20); // wait 20ms
// Check state, bytesFree() and periodSize() are valid non-zero values.
QVERIFY(audio->state() == QAudio::ActiveState);
QVERIFY(audio->error() == QAudio::NoError);
QVERIFY(audio->periodSize() > 0);
QVERIFY(audio->elapsedUSecs() > 10000 && audio->elapsedUSecs() < 800000);
QVERIFY(stateSignal.count() == 1); // State changed to QAudio::ActiveState
// Wait until finished...
QTestEventLoop::instance().enterLoop(1);
QCOMPARE(audio->processedUSecs(), qint64(692250));
#ifdef Q_OS_WINCE
// 4.wav is a little less than 700ms, so notify should fire 4 times on Wince!
QVERIFY(readSignal.count() >= 4);
#else
// 4.wav is a little less than 700ms, so notify should fire 6 times!
QVERIFY(readSignal.count() >= 6);
#endif
audio->stop();
QTest::qWait(20); // wait 20ms
QVERIFY(audio->state() == QAudio::StoppedState);
QVERIFY(audio->elapsedUSecs() == 0);
// Can only check to make sure we got at least 1 more signal, but can be more.
QVERIFY(stateSignal.count() > 1);
file.close();
}
}
void tst_QAudioOutput::pushFile()
{
if(available) {
QFile file(SRCDIR "4.wav");
QVERIFY(file.exists());
file.open(QIODevice::ReadOnly);
const qint64 fileSize = file.size();
QIODevice* feed = audio->start();
char* buffer = new char[fileSize];
file.read(buffer, fileSize);
qint64 counter=0;
qint64 written=0;
while(written < fileSize) {
written+=feed->write(buffer+written,fileSize-written);
QTest::qWait(20);
counter++;
}
QTestEventLoop::instance().enterLoop(1);
QVERIFY(written == fileSize);
QVERIFY(audio->processedUSecs() == 692250);
audio->stop();
file.close();
delete [] buffer;
delete audio;
}
}
QTEST_MAIN(tst_QAudioOutput)
#include "tst_qaudiooutput.moc"
|
