Restore QWindowsAudio support on wince.

Enabled Audio playback with wave device on WindowsCE again.

Change-Id: Ic7749821ef8f991a909cbeb29083219ea988f5dc
Reviewed-by: Yoann Lopes <yoann.lopes@digia.com>

src/plugins/windowsaudio/qwindowsaudiodeviceinfo.cpp

@@ -412,6 +412,7 @@ QList<QByteArray> QWindowsAudioDeviceInfo::availableDevices(QAudio::Mode mode)
     Q_UNUSED(mode)
 
     QList<QByteArray> devices;
+#ifndef Q_OS_WINCE
     //enumerate device fullnames through directshow api
     CoInitialize(NULL);
     ICreateDevEnum *pDevEnum = NULL;
@@ -463,6 +464,35 @@ QList<QByteArray> QWindowsAudioDeviceInfo::availableDevices(QAudio::Mode mode)
         }
     }
     CoUninitialize();
+#else // Q_OS_WINCE
+    if (mode == QAudio::AudioOutput) {
+        WAVEOUTCAPS woc;
+        unsigned long iNumDevs,i;
+        iNumDevs = waveOutGetNumDevs();
+        for (i=0;i<iNumDevs;i++) {
+            if (waveOutGetDevCaps(i, &woc, sizeof(WAVEOUTCAPS))
+                == MMSYSERR_NOERROR) {
+                QByteArray  device;
+                QDataStream ds(&device, QIODevice::WriteOnly);
+                ds << quint32(i) << QString::fromWCharArray(woc.szPname);
+                devices.append(device);
+            }
+        }
+    } else {
+        WAVEINCAPS woc;
+        unsigned long iNumDevs,i;
+        iNumDevs = waveInGetNumDevs();
+        for (i=0;i<iNumDevs;i++) {
+            if (waveInGetDevCaps(i, &woc, sizeof(WAVEINCAPS))
+                == MMSYSERR_NOERROR) {
+                QByteArray  device;
+                QDataStream ds(&device, QIODevice::WriteOnly);
+                ds << quint32(i) << QString::fromWCharArray(woc.szPname);
+                devices.append(device);
+            }
+        }
+    }
+#endif // !Q_OS_WINCE
 
     return devices;
 }

src/plugins/windowsaudio/windowsaudio.pro

@@ -5,7 +5,8 @@ PLUGIN_TYPE = audio
 PLUGIN_CLASS_NAME = QWindowsAudioPlugin
 load(qt_plugin)
 
-LIBS += -lwinmm -lstrmiids -lole32 -loleaut32
+LIBS += -lstrmiids -lole32 -loleaut32
+!wince*:LIBS += -lwinmm
 
 HEADERS += \
     qwindowsaudioplugin.h \