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
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
|
/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** 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 https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
//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;
};
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);
}
}
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;
for (const QAudioFormat &format : qAsConst(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);
}
}
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
QTRY_VERIFY2(audioFile->atEnd(), "didn't play to EOF");
QTRY_VERIFY(stateSignal.count() > 0);
QCOMPARE(qvariant_cast<QAudio::State>(stateSignal.last().at(0)), QAudio::IdleState);
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()
{
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();
// 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");
QVERIFY(stateSignal.count() > 0);
QCOMPARE(qvariant_cast<QAudio::State>(stateSignal.last().at(0)), QAudio::IdleState);
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;
stateSignal.clear();
}
} else
QTest::qWait(20);
}
// Wait until playback finishes
QTest::qWait(3000); // 3 seconds should be plenty
QVERIFY2(audioFile->atEnd(), "didn't play to EOF");
QVERIFY(stateSignal.count() > 0);
QCOMPARE(qvariant_cast<QAudio::State>(stateSignal.last().at(0)), QAudio::IdleState);
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()
{
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 IdleState
QVERIFY2((stateSignal.count() == 1),
QString("didn't emit signal after resume(), got %1 signals instead").arg(stateSignal.count()).toLocal8Bit().constData());
QVERIFY2((audioOutput.state() == QAudio::IdleState), "didn't transition to IdleState 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);
QVERIFY2((audioOutput.state() == QAudio::ActiveState), "didn't transition to ActiveState after writing audio data");
} 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");
QVERIFY(stateSignal.count() > 0);
QCOMPARE(qvariant_cast<QAudio::State>(stateSignal.last().at(0)), QAudio::IdleState);
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"
|
