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Add a volume (gain) property to QAudioInput.

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Only implemented for PulseAudio so far, but the API does explain that
it's optional.

Change-Id: I4543a1c81d810fe92bb08f1ed13f3a3534a371e4
Reviewed-by: Ling Hu <ling.hu@nokia.com>
This commit is contained in:
Michael Goddard
2012-01-25 13:50:37 +10:00
committed by Qt by Nokia
parent 8aef60c1cf
commit 3b00730eca
8 changed files with 181 additions and 0 deletions
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27
tests/auto/integration/qaudioinput/tst_qaudioinput.cpp
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@@ -101,6 +101,8 @@ private slots:
void reset();
void volume();
private:
typedef QSharedPointer<QFile> FilePtr;
@@ -840,6 +842,31 @@ void tst_QAudioInput::reset()
}
}
void tst_QAudioInput::volume()
{
const qreal half(0.5f);
const qreal one(1.0f);
// Hard to automatically test, but we can test the get/set a little
for (int i=0; i < testFormats.count(); i++) {
QAudioInput audioInput(testFormats.at(i), this);
qreal volume = audioInput.volume();
audioInput.setVolume(half);
QVERIFY(qFuzzyCompare(audioInput.volume(), half) || qFuzzyCompare(audioInput.volume(), one));
// Wait a while to see if this changes
QTest::qWait(500);
QVERIFY(qFuzzyCompare(audioInput.volume(), half) || qFuzzyCompare(audioInput.volume(), one));
audioInput.setVolume(volume);
QVERIFY(qFuzzyCompare(audioInput.volume(), volume));
// Wait a while to see if this changes
QTest::qWait(500);
QVERIFY(qFuzzyCompare(audioInput.volume(), volume));
}
}
QTEST_MAIN(tst_QAudioInput)
#include "tst_qaudioinput.moc"