3 files changed, 7 insertions, 6 deletions
diff --git a/src/multimedia/audio/qaudioinput_win32_p.cpp b/src/multimedia/audio/qaudioinput_win32_p.cpp
index b5d673e..260110e 100644
--- a/src/multimedia/audio/qaudioinput_win32_p.cpp
+++ b/src/multimedia/audio/qaudioinput_win32_p.cpp
@@ -156,7 +156,8 @@ void QAudioInputPrivate::freeBlocks(WAVEHDR* blockArray)
     int count = buffer_size/period_size;
 
     for(int i = 0; i < count; i++) {
-        waveInUnprepareHeader(hWaveIn,&blocks[i], sizeof(WAVEHDR));
+        if (blocks->dwFlags & WHDR_PREPARED)
+            waveInUnprepareHeader(hWaveIn,blocks, sizeof(WAVEHDR));
         blocks+=sizeof(WAVEHDR);
     }
     HeapFree(GetProcessHeap(), 0, blockArray);
diff --git a/src/multimedia/audio/qaudiooutput_alsa_p.cpp b/src/multimedia/audio/qaudiooutput_alsa_p.cpp
index cf3726b..afae8b7 100644
--- a/src/multimedia/audio/qaudiooutput_alsa_p.cpp
+++ b/src/multimedia/audio/qaudiooutput_alsa_p.cpp
@@ -84,8 +84,7 @@ QAudioOutputPrivate::QAudioOutputPrivate(const QByteArray &device, const QAudioF
     resuming = false;
     opened = false;
 
-    QStringList list1 = QString(QLatin1String(device)).split(QLatin1String(":"));
-    m_device = QByteArray(list1.at(0).toLocal8Bit().constData());
+    m_device = device;
 
     timer = new QTimer(this);
     connect(timer,SIGNAL(timeout()),SLOT(userFeed()));
@@ -282,11 +281,11 @@ bool QAudioOutputPrivate::open()
     int count=0;
     unsigned int freakuency=settings.frequency();
 
-    QString dev = QLatin1String(m_device.constData());
+    QString dev = QString(QLatin1String(m_device.constData()));
     QList<QByteArray> devices = QAudioDeviceInfoInternal::availableDevices(QAudio::AudioOutput);
     if(dev.compare(QLatin1String("default")) == 0) {
 #if(SND_LIB_MAJOR == 1 && SND_LIB_MINOR == 0 && SND_LIB_SUBMINOR >= 14)
-        dev = QLatin1String(devices.first().constData());
+        dev = QLatin1String(devices.first());
 #else
         dev = QLatin1String("hw:0,0");
 #endif
diff --git a/src/multimedia/audio/qaudiooutput_win32_p.cpp b/src/multimedia/audio/qaudiooutput_win32_p.cpp
index 13bce58..ced8c32 100644
--- a/src/multimedia/audio/qaudiooutput_win32_p.cpp
+++ b/src/multimedia/audio/qaudiooutput_win32_p.cpp
@@ -150,7 +150,8 @@ void QAudioOutputPrivate::freeBlocks(WAVEHDR* blockArray)
     int count = buffer_size/period_size;
 
     for(int i = 0; i < count; i++) {
-        waveOutUnprepareHeader(hWaveOut,&blocks[i], sizeof(WAVEHDR));
+        if (blocks->dwFlags & WHDR_PREPARED)
+            waveOutUnprepareHeader(hWaveOut,blocks, sizeof(WAVEHDR));
         blocks+=sizeof(WAVEHDR);
     }
     HeapFree(GetProcessHeap(), 0, blockArray);