diff -r 41300fa6a67c -r f7bc934e204c src/3rdparty/phonon/mmf/videoplayer_dsa.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/3rdparty/phonon/mmf/videoplayer_dsa.cpp	Wed Mar 31 11:06:36 2010 +0300
@@ -0,0 +1,291 @@
+/*  This file is part of the KDE project.
+
+Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+
+This library is free software: you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation, either version 2.1 or 3 of the License.
+
+This library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License
+along with this library.  If not, see <http://www.gnu.org/licenses/>.
+
+*/
+
+#include <coecntrl.h> // for CCoeControl
+
+#include <QApplication>    // for QApplication::activeWindow
+#include <QtCore/private/qcore_symbian_p.h> // for qt_TRect2QRect
+
+#include "utils.h"
+#include "videooutput_dsa.h"
+#include "videoplayer_dsa.h"
+
+QT_BEGIN_NAMESPACE
+
+using namespace Phonon;
+using namespace Phonon::MMF;
+
+// Two-phase constructor idiom is used because construct() calls virtual
+// functions and therefore cannot be called from the AbstractVideoPlayer
+// C++ constructor.
+DsaVideoPlayer* DsaVideoPlayer::create(MediaObject *parent,
+                                       const AbstractPlayer *player)
+{
+    QScopedPointer<DsaVideoPlayer> self(new DsaVideoPlayer(parent, player));
+    self->construct();
+    return self.take();
+}
+
+DsaVideoPlayer::DsaVideoPlayer(MediaObject *parent, const AbstractPlayer *player)
+    :   AbstractVideoPlayer(parent, player)
+    ,   m_dsaActive(false)
+    ,   m_dsaWasActive(false)
+{
+
+}
+
+DsaVideoPlayer::~DsaVideoPlayer()
+{
+
+}
+
+
+//-----------------------------------------------------------------------------
+// Public functions
+//-----------------------------------------------------------------------------
+
+void MMF::DsaVideoPlayer::videoWindowScreenRectChanged()
+{
+    QRect windowRect = static_cast<DsaVideoOutput *>(m_videoOutput)->videoWindowScreenRect();
+
+    // Clip to physical window size
+    // This is due to a defect in the layout when running on S60 3.2, which
+    // results in the rectangle of the video widget extending outside the
+    // screen in certain circumstances.  These include the initial startup
+    // of the mediaplayer demo in portrait mode.  When this rectangle is
+    // passed to the CVideoPlayerUtility, no video is rendered.
+    const TSize screenSize = m_screenDevice.SizeInPixels();
+    const QRect screenRect(0, 0, screenSize.iWidth, screenSize.iHeight);
+    windowRect = windowRect.intersected(screenRect);
+
+    // Recalculate scale factors.  Pass 'false' as second parameter in order to
+    // suppress application of the change to the player - this is done at the end
+    // of the function.
+    updateScaleFactors(windowRect.size(), false);
+
+    m_videoScreenRect = qt_QRect2TRect(windowRect);
+
+    parametersChanged(WindowScreenRect | ScaleFactors);
+}
+
+void MMF::DsaVideoPlayer::suspendDirectScreenAccess()
+{
+    m_dsaWasActive = stopDirectScreenAccess();
+}
+
+void MMF::DsaVideoPlayer::resumeDirectScreenAccess()
+{
+    if (m_dsaWasActive) {
+        startDirectScreenAccess();
+        m_dsaWasActive = false;
+    }
+}
+
+
+//-----------------------------------------------------------------------------
+// Private functions
+//-----------------------------------------------------------------------------
+
+void MMF::DsaVideoPlayer::createPlayer()
+{
+    // A window handle must be provided in order to construct
+    // CVideoPlayerUtility.  If no VideoOutput has yet been connected to this
+    // player, we temporarily use the top-level application window handle.
+    // No video ever gets rendered into this window; SetDisplayWindowL is
+    // always called before rendering actually begins.
+    if (!m_window)
+        m_window = QApplication::activeWindow()->effectiveWinId()->DrawableWindow();
+
+    const TInt priority = 0;
+    const TMdaPriorityPreference preference = EMdaPriorityPreferenceNone;
+
+    CVideoPlayerUtility *player = 0;
+    QT_TRAP_THROWING(player = CVideoPlayerUtility::NewL(*this,
+                                     priority, preference,
+                                     m_wsSession, m_screenDevice,
+                                     *m_window,
+                                     m_videoScreenRect, m_videoScreenRect));
+    m_player.reset(player);
+
+    // CVideoPlayerUtility::NewL starts DSA
+    m_dsaActive = true;
+
+    m_player->RegisterForVideoLoadingNotification(*this);
+}
+
+void MMF::DsaVideoPlayer::initVideoOutput()
+{
+    bool connected = connect(
+        m_videoOutput, SIGNAL(videoWindowScreenRectChanged()),
+        this, SLOT(videoWindowScreenRectChanged())
+    );
+    Q_ASSERT(connected);
+
+    connected = connect(
+        m_videoOutput, SIGNAL(beginVideoWindowNativePaint()),
+        this, SLOT(suspendDirectScreenAccess())
+    );
+    Q_ASSERT(connected);
+
+    connected = connect(
+        m_videoOutput, SIGNAL(endVideoWindowNativePaint()),
+        this, SLOT(resumeDirectScreenAccess())
+    );
+    Q_ASSERT(connected);
+
+    // Suppress warnings in release builds
+    Q_UNUSED(connected);
+
+    AbstractVideoPlayer::initVideoOutput();
+}
+
+void MMF::DsaVideoPlayer::prepareCompleted()
+{
+    videoWindowScreenRectChanged();
+}
+
+void MMF::DsaVideoPlayer::handleVideoWindowChanged()
+{
+    if (!m_window) {
+        if (QWidget *window = QApplication::activeWindow())
+            m_window = window->effectiveWinId()->DrawableWindow();
+        else
+            m_window = 0;
+        m_videoScreenRect = TRect();
+    }
+
+    parametersChanged(WindowHandle | WindowScreenRect);
+}
+
+#ifndef QT_NO_DEBUG
+
+// The following code is for debugging problems related to video visibility.  It allows
+// the VideoPlayer instance to query the window server in order to determine the
+// DSA drawing region for the video window.
+
+class CDummyAO : public CActive
+{
+public:
+    CDummyAO() : CActive(CActive::EPriorityStandard) { CActiveScheduler::Add(this); }
+    void RunL() { }
+    void DoCancel() { }
+    TRequestStatus& Status() { return iStatus; }
+    void SetActive() { CActive::SetActive(); }
+};
+
+void getDsaRegion(RWsSession &session, const RWindowBase &window)
+{
+    RDirectScreenAccess dsa(session);
+    TInt err = dsa.Construct();
+    CDummyAO ao;
+    RRegion* region;
+    err = dsa.Request(region, ao.Status(), window);
+    ao.SetActive();
+    dsa.Close();
+    ao.Cancel();
+    if (region) {
+        qDebug() << "Phonon::MMF::getDsaRegion count" << region->Count();
+        for (int i=0; i<region->Count(); ++i) {
+            const TRect& rect = region->RectangleList()[i];
+            qDebug() << "Phonon::MMF::getDsaRegion rect"
+                << rect.iTl.iX << rect.iTl.iY << rect.iBr.iX << rect.iBr.iY;
+        }
+        region->Close();
+    }
+}
+
+#endif // QT_NO_DEBUG
+
+void MMF::DsaVideoPlayer::handleParametersChanged(VideoParameters parameters)
+{
+    TRACE_CONTEXT(DsaVideoPlayer::handleParametersChanged, EVideoInternal);
+    TRACE_ENTRY_0();
+
+    if (!m_window)
+        return;
+
+#ifndef QT_NO_DEBUG
+    getDsaRegion(m_wsSession, *m_window);
+#endif
+
+    static const TBool antialias = ETrue;
+    int err = KErrNone;
+
+    if (parameters & ScaleFactors) {
+        TRAP(err, m_player->SetScaleFactorL(m_scaleWidth, m_scaleHeight,
+                                            antialias));
+        if(KErrNone != err) {
+            TRACE("SetScaleFactorL (1) err %d", err);
+            setError(tr("Video display error"), err);
+        }
+    }
+
+    if (KErrNone == err) {
+        if (parameters & WindowHandle || parameters & WindowScreenRect) {
+            TRAP(err,
+                m_player->SetDisplayWindowL(m_wsSession, m_screenDevice,
+                                            *m_window,
+                                            m_videoScreenRect,
+                                            m_videoScreenRect));
+        }
+
+        if (KErrNone != err) {
+            TRACE("SetDisplayWindowL err %d", err);
+            setError(tr("Video display error"), err);
+        } else {
+            m_dsaActive = true;
+            if (parameters & ScaleFactors) {
+                TRAP(err, m_player->SetScaleFactorL(m_scaleWidth, m_scaleHeight,
+                                                    antialias));
+                if (KErrNone != err) {
+                    TRACE("SetScaleFactorL (2) err %d", err);
+                    setError(tr("Video display error"), err);
+                }
+            }
+        }
+    }
+
+    TRACE_EXIT_0();
+}
+
+void MMF::DsaVideoPlayer::startDirectScreenAccess()
+{
+    if (!m_dsaActive) {
+        TRAPD(err, m_player->StartDirectScreenAccessL());
+        if (KErrNone == err)
+            m_dsaActive = true;
+        else
+            setError(tr("Video display error"), err);
+    }
+}
+
+bool MMF::DsaVideoPlayer::stopDirectScreenAccess()
+{
+    const bool dsaWasActive = m_dsaActive;
+    if (m_dsaActive) {
+        TRAPD(err, m_player->StopDirectScreenAccessL());
+        if (KErrNone == err)
+            m_dsaActive = false;
+        else
+            setError(tr("Video display error"), err);
+    }
+    return dsaWasActive;
+}
+
+QT_END_NAMESPACE
+