GStreamer: port to 1.0.

0.10 is still used by default.
To enable GStreamer 1.0, pass GST_VERSION=1.0 to qmake
for qtmultimedia.pro.

Contributions from:
Andrew den Exter <andrew.den.exter@qinetic.com.au>
Ilya Smelykh <ilya@videoexpertsgroup.com>
Jim Hodapp <jim.hodapp@canonical.com>
Sergio Schvezov <sergio.schvezov@canonical.com>

Change-Id: I72a46d1170a8794a149bdb5e20767afcc5b7587c
Reviewed-by: Andrew den Exter <andrew.den.exter@qinetic.com.au>

src/multimedia/gsttools_headers/qgstreameraudioprobecontrol_p.h

@@ -38,23 +38,32 @@
 #include <qmediaaudioprobecontrol.h>
 #include <QtCore/qmutex.h>
 #include <qaudiobuffer.h>
+#include <qshareddata.h>
+
+#include <private/qgstreamerbufferprobe_p.h>
 
 QT_BEGIN_NAMESPACE
 
-class QGstreamerAudioProbeControl : public QMediaAudioProbeControl
+class QGstreamerAudioProbeControl
+    : public QMediaAudioProbeControl
+    , public QGstreamerBufferProbe
+    , public QSharedData
 {
     Q_OBJECT
 public:
     explicit QGstreamerAudioProbeControl(QObject *parent);
     virtual ~QGstreamerAudioProbeControl();
 
-    void bufferProbed(GstBuffer* buffer);
+protected:
+    void probeCaps(GstCaps *caps);
+    bool probeBuffer(GstBuffer *buffer);
 
 private slots:
     void bufferProbed();
 
 private:
     QAudioBuffer m_pendingBuffer;
+    QAudioFormat m_format;
     QMutex m_bufferMutex;
 };