Fix some compiler warnings.

Mostly about deprecated ASCII casts.

Change-Id: I70428913799c15f20a1a5f80be57848e1072e058
Reviewed-on: http://codereview.qt.nokia.com/4158
Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: Jonas Rabbe <jonas.rabbe@nokia.com>

src/imports/multimedia/multimedia.cpp

@@ -83,6 +83,7 @@ public:
     void initializeEngine(QDeclarativeEngine *engine, const char *uri)
     {
         Q_UNUSED(uri);
+        Q_UNUSED(engine);
 #if 0
         engine->addImageProvider("camera", new QDeclarativeCameraPreviewProvider);
 #endif

src/multimediakit/audio/qaudiopluginloader.cpp

@@ -54,7 +54,7 @@ QT_BEGIN_NAMESPACE
 QAudioPluginLoader::QAudioPluginLoader(const char *iid, const QString &location, Qt::CaseSensitivity):
     m_iid(iid)
 {
-    m_location = location + "/";
+    m_location = location + QLatin1Char('/');
     load();
 }
 

src/multimediakit/effects/qsamplecache_p.cpp

@@ -297,7 +297,7 @@ void QSample::addRef()
 // Called in loading thread
 void QSample::readSample()
 {
-    Q_ASSERT(QThread::currentThread()->objectName() == "QSampleCache::LoadingThread");
+    Q_ASSERT(QThread::currentThread()->objectName() == QLatin1String("QSampleCache::LoadingThread"));
     QMutexLocker m(&m_mutex);
 #ifdef  QT_SAMPLECACHE_DEBUG
     qDebug() << "QSample: readSample";
@@ -316,7 +316,7 @@ void QSample::readSample()
 // Called in loading thread
 void QSample::decoderReady()
 {
-    Q_ASSERT(QThread::currentThread()->objectName() == "QSampleCache::LoadingThread");
+    Q_ASSERT(QThread::currentThread()->objectName() == QLatin1String("QSampleCache::LoadingThread"));
     QMutexLocker m(&m_mutex);
 #ifdef QT_SAMPLECACHE_DEBUG
     qDebug() << "QSample: decoder ready";
@@ -343,7 +343,7 @@ QSample::State QSample::state() const
 // Essentially a second ctor, doesn't need locks (?)
 void QSample::load()
 {
-    Q_ASSERT(QThread::currentThread()->objectName() == "QSampleCache::LoadingThread");
+    Q_ASSERT(QThread::currentThread()->objectName() == QLatin1String("QSampleCache::LoadingThread"));
 #ifdef QT_SAMPLECACHE_DEBUG
     qDebug() << "QSample: load [" << m_url << "]";
 #endif
@@ -358,7 +358,7 @@ void QSample::load()
 // Called in loading thread
 void QSample::decoderError()
 {
-    Q_ASSERT(QThread::currentThread()->objectName() == "QSampleCache::LoadingThread");
+    Q_ASSERT(QThread::currentThread()->objectName() == QLatin1String("QSampleCache::LoadingThread"));
     QMutexLocker m(&m_mutex);
 #ifdef QT_SAMPLECACHE_DEBUG
     qDebug() << "QSample: decoder error";
@@ -371,7 +371,7 @@ void QSample::decoderError()
 // Called in loading thread from decoder when sample is done. Locked already.
 void QSample::onReady()
 {
-    Q_ASSERT(QThread::currentThread()->objectName() == "QSampleCache::LoadingThread");
+    Q_ASSERT(QThread::currentThread()->objectName() == QLatin1String("QSampleCache::LoadingThread"));
 #ifdef QT_SAMPLECACHE_DEBUG
     qDebug() << "QSample: load ready";
 #endif

src/multimediakit/effects/qsoundeffect_pulse_p.cpp

@@ -359,6 +359,8 @@ void QSoundEffectPrivate::setSource(const QUrl &url)
     case QSample::Error:
         decoderError();
         break;
+    default:
+        break;
     }
 }
 

src/multimediakit/qcamera.cpp

@@ -363,7 +363,7 @@ QCamera::QCamera(const QByteArray& device, QObject *parent):
     if (d->service != 0) {
         //pass device name to service
         if (d->deviceControl) {
-            QString deviceName(device);
+            QString deviceName = QString::fromLatin1(device);
 
             for (int i=0; i<d->deviceControl->deviceCount(); i++) {
                 if (d->deviceControl->deviceName(i) == deviceName) {

src/multimediakit/qmediaserviceprovider.cpp

@@ -292,7 +292,7 @@ class QPluginServiceProvider : public QMediaServiceProvider
 public:
     QMediaService* requestService(const QByteArray &type, const QMediaServiceProviderHint &hint)
     {
-        QString key(type);
+        QString key(QLatin1String(type.constData()));
 
         QList<QMediaServiceProviderPlugin *>plugins;
         foreach (QObject *obj, loader()->instances(key)) {
@@ -407,7 +407,7 @@ public:
                                      const QStringList& codecs,
                                      int flags) const
     {
-        QList<QObject*> instances = loader()->instances(serviceType);
+        QList<QObject*> instances = loader()->instances(QLatin1String(serviceType));
 
         if (instances.isEmpty())
             return QtMultimediaKit::NotSupported;
@@ -459,7 +459,7 @@ public:
 
     QStringList supportedMimeTypes(const QByteArray &serviceType, int flags) const
     {
-        QList<QObject*> instances = loader()->instances(serviceType);
+        QList<QObject*> instances = loader()->instances(QLatin1String(serviceType));
 
         QStringList supportedTypes;
 
@@ -508,7 +508,7 @@ public:
     {
         QList<QByteArray> res;
 
-        foreach(QObject *obj, loader()->instances(serviceType)) {
+        foreach (QObject *obj, loader()->instances(QLatin1String(serviceType))) {
             QMediaServiceSupportedDevicesInterface *iface =
                     qobject_cast<QMediaServiceSupportedDevicesInterface*>(obj);
 
@@ -522,7 +522,7 @@ public:
 
     QString deviceDescription(const QByteArray &serviceType, const QByteArray &device)
     {
-        foreach(QObject *obj, loader()->instances(serviceType)) {
+        foreach (QObject *obj, loader()->instances(QLatin1String(serviceType))) {
             QMediaServiceSupportedDevicesInterface *iface =
                     qobject_cast<QMediaServiceSupportedDevicesInterface*>(obj);
 

src/plugins/fakeradio/fakeradioserviceplugin.cpp

@@ -71,11 +71,14 @@ void FakeRadioServicePlugin::release(QMediaService *service)
 
 QList<QByteArray> FakeRadioServicePlugin::devices(const QByteArray &service) const
 {
+    Q_UNUSED(service);
     return QList<QByteArray>();
 }
 
 QString FakeRadioServicePlugin::deviceDescription(const QByteArray &service, const QByteArray &device)
 {
+    Q_UNUSED(service);
+    Q_UNUSED(device);
     return QString();
 }
 

src/plugins/gstreamer/gstvideoconnector.c

@@ -131,6 +131,7 @@ static void
 gst_video_connector_init (GstVideoConnector *element,
                           GstVideoConnectorClass *g_class)
 {
+    (void) g_class;
     element->sinkpad =
             gst_pad_new_from_static_template (&gst_video_connector_sink_factory,
                                               "sink");
@@ -269,6 +270,9 @@ gst_video_connector_resend_new_segment(GstElement * element, gboolean emitFailed
 
 static gboolean gst_video_connector_new_buffer_probe(GstObject *pad, GstBuffer *buffer, guint * object)
 {
+    (void) pad;
+    (void) buffer;
+
     GstVideoConnector *element = GST_VIDEO_CONNECTOR (object);
 
     /*

src/plugins/gstreamer/mediaplayer/qgstappsrc.cpp

@@ -182,6 +182,7 @@ bool QGstAppSrc::doSeek(qint64 value)
 
 gboolean QGstAppSrc::on_seek_data(GstAppSrc *element, guint64 arg0, gpointer userdata)
 {
+    Q_UNUSED(element);
     QGstAppSrc *self = reinterpret_cast<QGstAppSrc*>(userdata);
     if (self && self->isStreamValid()) {
         if (!self->stream()->isSequential())
@@ -195,6 +196,7 @@ gboolean QGstAppSrc::on_seek_data(GstAppSrc *element, guint64 arg0, gpointer use
 
 void QGstAppSrc::on_enough_data(GstAppSrc *element, gpointer userdata)
 {
+    Q_UNUSED(element);
     QGstAppSrc *self = reinterpret_cast<QGstAppSrc*>(userdata);
     if (self)
         self->enoughData() = true;
@@ -202,6 +204,7 @@ void QGstAppSrc::on_enough_data(GstAppSrc *element, gpointer userdata)
 
 void QGstAppSrc::on_need_data(GstAppSrc *element, guint arg0, gpointer userdata)
 {
+    Q_UNUSED(element);
     QGstAppSrc *self = reinterpret_cast<QGstAppSrc*>(userdata);
     if (self) {
         self->dataRequested() = true;

src/plugins/gstreamer/mediaplayer/qgstreamerplayersession.cpp

@@ -103,8 +103,8 @@ QGstreamerPlayerSession::QGstreamerPlayerSession(QObject *parent)
      m_lastPosition(0),
      m_duration(-1),
      m_durationQueries(0),
-     m_everPlayed(false) ,
      m_sourceType(UnknownSrc),
+     m_everPlayed(false),
      m_isLiveSource(false)
 {
 #ifdef USE_PLAYBIN2
@@ -195,6 +195,9 @@ GstElement *QGstreamerPlayerSession::playbin() const
 #if defined(HAVE_GST_APPSRC)
 void QGstreamerPlayerSession::configureAppSrcElement(GObject* object, GObject *orig, GParamSpec *pspec, QGstreamerPlayerSession* self)
 {
+    Q_UNUSED(object);
+    Q_UNUSED(pspec);
+
     if (self->appsrc()->isReady())
         return;
 

src/plugins/gstreamer/qgstcodecsinfo.cpp

@@ -93,7 +93,8 @@ QGstCodecsInfo::QGstCodecsInfo(QGstCodecsInfo::ElementType elementType)
 
         gst_caps_remove_structure(caps, 0);
     }
-
+#else
+    Q_UNUSED(elementType);
 #endif // GST_CHECK_VERSION(0,10,31)
 }
 

src/plugins/pulseaudio/qaudioinput_pulse.cpp

@@ -359,7 +359,7 @@ qint64 QPulseAudioInput::read(char *data, qint64 len)
         emit stateChanged(m_deviceState);
     }
 
-    size_t readBytes = 0;
+    int readBytes = 0;
 
     if (!m_pullMode && !m_tempBuffer.isEmpty()) {
         readBytes = qMin(static_cast<int>(len), m_tempBuffer.size());