diff -r b72c6db6890b -r 5dc02b23752f src/multimedia/audio/qaudiodeviceinfo_win32_p.cpp
--- a/src/multimedia/audio/qaudiodeviceinfo_win32_p.cpp	Wed Jun 23 19:07:03 2010 +0300
+++ b/src/multimedia/audio/qaudiodeviceinfo_win32_p.cpp	Tue Jul 06 15:10:48 2010 +0300
@@ -97,14 +97,14 @@
     QAudioFormat nearest;
     if(mode == QAudio::AudioOutput) {
         nearest.setFrequency(44100);
-        nearest.setChannels(2);
+        nearest.setChannelCount(2);
         nearest.setByteOrder(QAudioFormat::LittleEndian);
         nearest.setSampleType(QAudioFormat::SignedInt);
         nearest.setSampleSize(16);
         nearest.setCodec(QLatin1String("audio/pcm"));
     } else {
         nearest.setFrequency(11025);
-        nearest.setChannels(1);
+        nearest.setChannelCount(1);
         nearest.setByteOrder(QAudioFormat::LittleEndian);
         nearest.setSampleType(QAudioFormat::SignedInt);
         nearest.setSampleSize(8);
@@ -268,7 +268,7 @@
 	for(i=0;i<iNumDevs;i++) {
 	    if(waveOutGetDevCaps(i, &woc, sizeof(WAVEOUTCAPS))
 	        == MMSYSERR_NOERROR) {
-		tmp = QString::fromUtf16((const unsigned short*)woc.szPname);
+		tmp = QString((const QChar *)woc.szPname);
 		if(tmp.compare(device) == 0) {
 		    match = true;
 		    fmt = woc.dwFormats;
@@ -288,7 +288,7 @@
 	for(i=0;i<iNumDevs;i++) {
 	    if(waveInGetDevCaps(i, &woc, sizeof(WAVEINCAPS))
 	        == MMSYSERR_NOERROR) {
-		tmp = QString::fromUtf16((const unsigned short*)woc.szPname);
+		tmp = QString((const QChar *)woc.szPname);
 		if(tmp.compare(device) == 0) {
 		    match = true;
 		    fmt = woc.dwFormats;
@@ -399,7 +399,7 @@
 	for(i=0;i<iNumDevs;i++) {
 	    if(waveOutGetDevCaps(i, &woc, sizeof(WAVEOUTCAPS))
 	        == MMSYSERR_NOERROR) {
-	        devices.append(QString::fromUtf16((const unsigned short*)woc.szPname).toLocal8Bit().constData());
+	        devices.append(QString((const QChar *)woc.szPname).toLocal8Bit().constData());
 	    }
 	}
     } else {
@@ -409,7 +409,7 @@
 	for(i=0;i<iNumDevs;i++) {
 	    if(waveInGetDevCaps(i, &woc, sizeof(WAVEINCAPS))
 	        == MMSYSERR_NOERROR) {
-	        devices.append(QString::fromUtf16((const unsigned short*)woc.szPname).toLocal8Bit().constData());
+	        devices.append(QString((const QChar *)woc.szPname).toLocal8Bit().constData());
 	    }
 	}