diff options
Diffstat (limited to 'src/multimedia/audio/qaudioinput_win32_p.cpp')
| -rw-r--r-- | src/multimedia/audio/qaudioinput_win32_p.cpp | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/src/multimedia/audio/qaudioinput_win32_p.cpp b/src/multimedia/audio/qaudioinput_win32_p.cpp index 31441ae..d4226f5 100644 --- a/src/multimedia/audio/qaudioinput_win32_p.cpp +++ b/src/multimedia/audio/qaudioinput_win32_p.cpp @@ -59,6 +59,8 @@ QT_BEGIN_NAMESPACE static CRITICAL_SECTION waveInCriticalSection; +static const int minimumIntervalTime = 50; + QAudioInputPrivate::QAudioInputPrivate(const QByteArray &device, const QAudioFormat& audioFormat): settings(audioFormat) { @@ -226,6 +228,7 @@ bool QAudioInputPrivate::open() period_size = buffer_size/2; #endif timeStamp.restart(); + elapsedTimeOffset = 0; wfx.nSamplesPerSec = settings.frequency(); wfx.wBitsPerSample = settings.sampleSize(); wfx.nChannels = settings.channels(); @@ -297,6 +300,7 @@ bool QAudioInputPrivate::open() return false; } timeStampOpened.restart(); + elapsedTimeOffset = 0; totalTimeValue = 0; errorState = QAudio::NoError; deviceState = QAudio::ActiveState; @@ -473,7 +477,10 @@ int QAudioInputPrivate::periodSize() const void QAudioInputPrivate::setNotifyInterval(int ms) { - intervalTime = ms; + if(ms >= minimumIntervalTime) + intervalTime = ms; + else + intervalTime = minimumIntervalTime; } int QAudioInputPrivate::notifyInterval() const @@ -524,8 +531,9 @@ bool QAudioInputPrivate::deviceReady() if(deviceState != QAudio::ActiveState) return true; - if(timeStamp.elapsed() > intervalTime && intervalTime > 50) { + if((timeStamp.elapsed() + elapsedTimeOffset) > intervalTime) { emit notify(); + elapsedTimeOffset = timeStamp.elapsed() + elapsedTimeOffset - intervalTime; timeStamp.restart(); } return true; |