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| author | Liang Qi <liang.qi@qt.io> | 2016-11-04 11:27:51 +0100 |
|---|---|---|
| committer | Liang Qi <liang.qi@qt.io> | 2016-11-04 11:30:08 +0100 |
| commit | d3a2d9c96994c56d67467c131b8f080510d1a8fd (patch) | |
| tree | 088c55da965b1fb6bb327b2821afc4755eab8117 /src/plugins/windowsaudio | |
| parent | 256ff7bb1551f6c62c4ac861472ea29f45dbab3a (diff) | |
| parent | 75b4283fb05d07fb8654e031f266e9918f1ae647 (diff) | |
| download | qtmultimedia-d3a2d9c96994c56d67467c131b8f080510d1a8fd.tar.gz | |
Merge remote-tracking branch 'origin/5.6' into 5.7
Change-Id: Ib038c5e3ebb48c0e46569a35d530fa5ceaf06a32
Diffstat (limited to 'src/plugins/windowsaudio')
| -rw-r--r-- | src/plugins/windowsaudio/qwindowsaudiooutput.cpp | 23 |
1 files changed, 10 insertions, 13 deletions
diff --git a/src/plugins/windowsaudio/qwindowsaudiooutput.cpp b/src/plugins/windowsaudio/qwindowsaudiooutput.cpp index c4bbbe85d..815b78979 100644 --- a/src/plugins/windowsaudio/qwindowsaudiooutput.cpp +++ b/src/plugins/windowsaudio/qwindowsaudiooutput.cpp @@ -53,6 +53,7 @@ #include "qwindowsaudioutils.h" #include <QtEndian> #include <QtCore/QDataStream> +#include <private/qaudiohelpers_p.h> //#define DEBUG_AUDIO 1 @@ -72,7 +73,7 @@ QWindowsAudioOutput::QWindowsAudioOutput(const QByteArray &device) audioSource = 0; pullMode = true; finished = false; - volumeCache = (qreal)1.; + volumeCache = qreal(1.0); } QWindowsAudioOutput::~QWindowsAudioOutput() @@ -280,8 +281,6 @@ bool QWindowsAudioOutput::open() timeStampOpened.restart(); elapsedTimeOffset = 0; - setVolume(volumeCache); - errorState = QAudio::NoError; if(pullMode) { deviceState = QAudio::ActiveState; @@ -407,7 +406,11 @@ qint64 QWindowsAudioOutput::write( const char *data, qint64 len ) remain = l; else remain = period_size; - memcpy(current->lpData, p, remain); + + if (volumeCache < qreal(1.0)) + QAudioHelperInternal::qMultiplySamples(volumeCache, settings, p, current->lpData, remain); + else + memcpy(current->lpData, p, remain); l -= remain; p += remain; @@ -595,16 +598,10 @@ QAudio::State QWindowsAudioOutput::state() const void QWindowsAudioOutput::setVolume(qreal v) { - const qreal normalizedVolume = qBound(qreal(0.0), v, qreal(1.0)); - if (deviceState != QAudio::ActiveState) { - volumeCache = normalizedVolume; + if (qFuzzyCompare(volumeCache, v)) return; - } - const quint16 scaled = normalizedVolume * 0xFFFF; - DWORD vol = MAKELONG(scaled, scaled); - MMRESULT res = waveOutSetVolume(hWaveOut, vol); - if (res == MMSYSERR_NOERROR) - volumeCache = normalizedVolume; + + volumeCache = qBound(qreal(0), v, qreal(1)); } qreal QWindowsAudioOutput::volume() const |