src/3rdparty/phonon/mmf/mmf_videoplayer.cpp
changeset 19 fcece45ef507
parent 18 2f34d5167611
child 22 79de32ba3296
--- a/src/3rdparty/phonon/mmf/mmf_videoplayer.cpp	Fri Apr 16 15:50:13 2010 +0300
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,658 +0,0 @@
-/*  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 <QApplication>    // for QApplication::activeWindow
-#include <QUrl>
-#include <QTimer>
-#include <QWidget>
-
-#include <coemain.h>    // for CCoeEnv
-#include <coecntrl.h>
-
-#include "mmf_videoplayer.h"
-#include "utils.h"
-
-#ifndef QT_NO_DEBUG
-#include "objectdump.h"
-#endif
-
-QT_BEGIN_NAMESPACE
-
-using namespace Phonon;
-using namespace Phonon::MMF;
-
-/*! \class MMF::VideoPlayer
-  \internal
-*/
-
-//-----------------------------------------------------------------------------
-// Constructor / destructor
-//-----------------------------------------------------------------------------
-
-MMF::VideoPlayer::VideoPlayer(MediaObject *parent, const AbstractPlayer *player)
-        :   AbstractMediaPlayer(parent, player)
-        ,   m_wsSession(CCoeEnv::Static()->WsSession())
-        ,   m_screenDevice(*CCoeEnv::Static()->ScreenDevice())
-        ,   m_window(0)
-        ,   m_totalTime(0)
-        ,   m_pendingChanges(false)
-        ,   m_dsaActive(false)
-{
-    construct();
-}
-
-void MMF::VideoPlayer::construct()
-{
-    TRACE_CONTEXT(VideoPlayer::VideoPlayer, EVideoApi);
-    TRACE_ENTRY_0();
-
-    getVideoWindow();
-
-    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_videoRect, m_videoRect
-            )
-        );
-    m_player.reset(player);
-
-    // CVideoPlayerUtility::NewL starts DSA
-    m_dsaActive = true;
-
-    m_player->RegisterForVideoLoadingNotification(*this);
-
-    TRACE_EXIT_0();
-}
-
-MMF::VideoPlayer::~VideoPlayer()
-{
-    TRACE_CONTEXT(VideoPlayer::~VideoPlayer, EVideoApi);
-    TRACE_ENTRY_0();
-
-    // QObject destructor removes all signal-slot connections involving this
-    // object, so we do not need to disconnect from m_videoOutput here.
-
-    TRACE_EXIT_0();
-}
-
-CVideoPlayerUtility* MMF::VideoPlayer::nativePlayer() const
-{
-    return m_player.data();
-}
-
-//-----------------------------------------------------------------------------
-// Public API
-//-----------------------------------------------------------------------------
-
-void MMF::VideoPlayer::doPlay()
-{
-    TRACE_CONTEXT(VideoPlayer::doPlay, EVideoApi);
-
-    applyPendingChanges();
-
-    m_player->Play();
-}
-
-void MMF::VideoPlayer::doPause()
-{
-    TRACE_CONTEXT(VideoPlayer::doPause, EVideoApi);
-
-    TRAPD(err, m_player->PauseL());
-    if (KErrNone != err && state() != ErrorState) {
-        TRACE("PauseL error %d", err);
-        setError(tr("Pause failed"), err);
-    }
-}
-
-void MMF::VideoPlayer::doStop()
-{
-    m_player->Stop();
-}
-
-void MMF::VideoPlayer::doSeek(qint64 ms)
-{
-    TRACE_CONTEXT(VideoPlayer::doSeek, EVideoApi);
-
-    TRAPD(err, m_player->SetPositionL(TTimeIntervalMicroSeconds(ms * 1000)));
-
-    if(KErrNone != err)
-        setError(tr("Seek failed"), err);
-}
-
-int MMF::VideoPlayer::setDeviceVolume(int mmfVolume)
-{
-    TRAPD(err, m_player->SetVolumeL(mmfVolume));
-    return err;
-}
-
-int MMF::VideoPlayer::openFile(RFile& file)
-{
-    TRAPD(err, m_player->OpenFileL(file));
-    return err;
-}
-
-int MMF::VideoPlayer::openUrl(const QString& url)
-{
-    TRAPD(err, m_player->OpenUrlL(qt_QString2TPtrC(url)));
-    return err;
-}
-
-int MMF::VideoPlayer::bufferStatus() const
-{
-    int result = 0;
-    TRAP_IGNORE(m_player->GetVideoLoadingProgressL(result));
-    return result;
-}
-
-void MMF::VideoPlayer::close()
-{
-    m_player->Close();
-}
-
-bool MMF::VideoPlayer::hasVideo() const
-{
-    return true;
-}
-
-qint64 MMF::VideoPlayer::currentTime() const
-{
-    TRACE_CONTEXT(VideoPlayer::currentTime, EVideoApi);
-
-    TTimeIntervalMicroSeconds us;
-    TRAPD(err, us = m_player->PositionL())
-
-    qint64 result = 0;
-
-    if (KErrNone == err) {
-        result = toMilliSeconds(us);
-    } else {
-        TRACE("PositionL error %d", err);
-
-        // If we don't cast away constness here, we simply have to ignore
-        // the error.
-        const_cast<VideoPlayer*>(this)->setError(tr("Getting position failed"), err);
-    }
-
-    return result;
-}
-
-qint64 MMF::VideoPlayer::totalTime() const
-{
-    return m_totalTime;
-}
-
-
-//-----------------------------------------------------------------------------
-// MVideoPlayerUtilityObserver callbacks
-//-----------------------------------------------------------------------------
-
-void MMF::VideoPlayer::MvpuoOpenComplete(TInt aError)
-{
-    TRACE_CONTEXT(VideoPlayer::MvpuoOpenComplete, EVideoApi);
-    TRACE_ENTRY("state %d error %d", state(), aError);
-
-    __ASSERT_ALWAYS(LoadingState == state(), Utils::panic(InvalidStatePanic));
-
-    if (KErrNone == aError)
-        m_player->Prepare();
-    else
-        setError(tr("Opening clip failed"), aError);
-
-    TRACE_EXIT_0();
-}
-
-void MMF::VideoPlayer::MvpuoPrepareComplete(TInt aError)
-{
-    TRACE_CONTEXT(VideoPlayer::MvpuoPrepareComplete, EVideoApi);
-    TRACE_ENTRY("state %d error %d", state(), aError);
-
-    __ASSERT_ALWAYS(LoadingState == state(), Utils::panic(InvalidStatePanic));
-
-    TRAPD(err, doPrepareCompleteL(aError));
-
-    if (KErrNone == err) {
-        maxVolumeChanged(m_player->MaxVolume());
-
-        if (m_videoOutput)
-            m_videoOutput->setVideoSize(m_videoFrameSize);
-
-        updateVideoRect();
-        applyPendingChanges();
-
-        emit totalTimeChanged(totalTime());
-        changeState(StoppedState);
-    } else {
-        setError(tr("Buffering clip failed"), err);
-    }
-
-    TRACE_EXIT_0();
-}
-
-void MMF::VideoPlayer::doPrepareCompleteL(TInt aError)
-{
-    User::LeaveIfError(aError);
-
-    // Get frame size
-    TSize size;
-    m_player->VideoFrameSizeL(size);
-    m_videoFrameSize = QSize(size.iWidth, size.iHeight);
-
-    // Get duration
-    m_totalTime = toMilliSeconds(m_player->DurationL());
-}
-
-
-void MMF::VideoPlayer::MvpuoFrameReady(CFbsBitmap &aFrame, TInt aError)
-{
-    TRACE_CONTEXT(VideoPlayer::MvpuoFrameReady, EVideoApi);
-    TRACE_ENTRY("state %d error %d", state(), aError);
-
-    Q_UNUSED(aFrame);
-    Q_UNUSED(aError);   // suppress warnings in release builds
-
-    TRACE_EXIT_0();
-}
-
-void MMF::VideoPlayer::MvpuoPlayComplete(TInt aError)
-{
-    TRACE_CONTEXT(VideoPlayer::MvpuoPlayComplete, EVideoApi)
-    TRACE_ENTRY("state %d error %d", state(), aError);
-
-    // Call base class function which handles end of playback for both
-    // audio and video clips.
-    playbackComplete(aError);
-
-    TRACE_EXIT_0();
-}
-
-void MMF::VideoPlayer::MvpuoEvent(const TMMFEvent &aEvent)
-{
-    TRACE_CONTEXT(VideoPlayer::MvpuoEvent, EVideoApi);
-    TRACE_ENTRY("state %d", state());
-
-    Q_UNUSED(aEvent);
-
-    TRACE_EXIT_0();
-}
-
-
-//-----------------------------------------------------------------------------
-// MVideoLoadingObserver callbacks
-//-----------------------------------------------------------------------------
-
-void MMF::VideoPlayer::MvloLoadingStarted()
-{
-    bufferingStarted();
-}
-
-void MMF::VideoPlayer::MvloLoadingComplete()
-{
-    bufferingComplete();
-}
-
-
-//-----------------------------------------------------------------------------
-// Video window updates
-//-----------------------------------------------------------------------------
-
-void MMF::VideoPlayer::getVideoWindow()
-{
-    TRACE_CONTEXT(VideoPlayer::getVideoWindow, EVideoInternal);
-    TRACE_ENTRY_0();
-
-    if(m_videoOutput) {
-        // Dump information to log, only in debug builds
-        m_videoOutput->dump();
-
-        initVideoOutput();
-        videoWindowChanged();
-    } else
-        // Top-level window
-        m_window = QApplication::activeWindow()->effectiveWinId()->DrawableWindow();
-
-    TRACE_EXIT_0();
-}
-
-void MMF::VideoPlayer::videoOutputChanged()
-{
-    TRACE_CONTEXT(VideoPlayer::videoOutputChanged, EVideoInternal);
-    TRACE_ENTRY_0();
-
-    if (m_videoOutput) {
-        initVideoOutput();
-        videoWindowChanged();
-    }
-
-    TRACE_EXIT_0();
-}
-
-void MMF::VideoPlayer::initVideoOutput()
-{
-    m_videoOutput->winId();
-    m_videoOutput->setVideoSize(m_videoFrameSize);
-
-    bool connected = connect(
-        m_videoOutput, SIGNAL(videoWindowChanged()),
-        this, SLOT(videoWindowChanged())
-    );
-    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);
-
-    connected = connect(
-        m_videoOutput, SIGNAL(aspectRatioChanged()),
-        this, SLOT(aspectRatioChanged())
-    );
-    Q_ASSERT(connected);
-
-    connected = connect(
-        m_videoOutput, SIGNAL(scaleModeChanged()),
-        this, SLOT(scaleModeChanged())
-    );
-    Q_ASSERT(connected);
-
-    // Suppress warnings in release builds
-    Q_UNUSED(connected);
-}
-
-void MMF::VideoPlayer::videoWindowChanged()
-{
-    TRACE_CONTEXT(VideoPlayer::videoOutputRegionChanged, EVideoInternal);
-    TRACE_ENTRY("state %d", state());
-
-    m_window = m_videoOutput->videoWindow();
-    updateVideoRect();
-
-    TRACE_EXIT_0();
-}
-
-void MMF::VideoPlayer::suspendDirectScreenAccess()
-{
-    m_dsaWasActive = stopDirectScreenAccess();
-}
-
-void MMF::VideoPlayer::resumeDirectScreenAccess()
-{
-    if(m_dsaWasActive) {
-        startDirectScreenAccess();
-        m_dsaWasActive = false;
-    }
-}
-
-void MMF::VideoPlayer::startDirectScreenAccess()
-{
-    if(!m_dsaActive) {
-        TRAPD(err, m_player->StartDirectScreenAccessL());
-        if(KErrNone == err)
-            m_dsaActive = true;
-        else
-            setError(tr("Video display error"), err);
-    }
-}
-
-bool MMF::VideoPlayer::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;
-}
-
-// Helper function for aspect ratio / scale mode handling
-QSize scaleToAspect(const QSize& srcRect, int aspectWidth, int aspectHeight)
-{
-    const qreal aspectRatio = qreal(aspectWidth) / aspectHeight;
-
-    int width = srcRect.width();
-    int height = srcRect.width() / aspectRatio;
-    if (height > srcRect.height()){
-        height = srcRect.height();
-        width = srcRect.height() * aspectRatio;
-    }
-    return QSize(width, height);
-}
-
-void MMF::VideoPlayer::updateVideoRect()
-{
-    QRect videoRect;
-    QRect windowRect = m_videoOutput->videoWindowRect();
-
-    // 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);
-
-    const QSize windowSize = windowRect.size();
-
-    // Calculate size of smallest rect which contains video frame size
-    // and conforms to aspect ratio
-    switch (m_videoOutput->aspectRatio()) {
-    case Phonon::VideoWidget::AspectRatioAuto:
-        videoRect.setSize(m_videoFrameSize);
-        break;
-
-    case Phonon::VideoWidget::AspectRatioWidget:
-        videoRect.setSize(windowSize);
-        break;
-
-    case Phonon::VideoWidget::AspectRatio4_3:
-        videoRect.setSize(scaleToAspect(m_videoFrameSize, 4, 3));
-        break;
-
-    case Phonon::VideoWidget::AspectRatio16_9:
-        videoRect.setSize(scaleToAspect(m_videoFrameSize, 16, 9));
-        break;
-    }
-
-    // Scale to fill the window width
-    const int windowWidth = windowSize.width();
-    const int windowHeight = windowSize.height();
-    const qreal windowScaleFactor = qreal(windowWidth) / videoRect.width();
-    int videoWidth = windowWidth;
-    int videoHeight = videoRect.height() * windowScaleFactor;
-
-    const qreal windowToVideoHeightRatio = qreal(windowHeight) / videoHeight;
-
-    switch(m_videoOutput->scaleMode()) {
-    case Phonon::VideoWidget::ScaleAndCrop:
-        if(videoHeight < windowHeight) {
-            videoWidth *= windowToVideoHeightRatio;
-            videoHeight = windowHeight;
-        }
-        break;
-    case Phonon::VideoWidget::FitInView:
-    default:
-        if(videoHeight > windowHeight) {
-            videoWidth *= windowToVideoHeightRatio;
-            videoHeight = windowHeight;
-        }
-        break;
-    }
-
-    // Calculate scale factors
-    m_scaleWidth = 100.0f * videoWidth / m_videoFrameSize.width();
-    m_scaleHeight = 100.0f * videoHeight / m_videoFrameSize.height();
-
-    m_videoRect = qt_QRect2TRect(windowRect);
-
-    if (state() == LoadingState)
-        m_pendingChanges = true;
-    else {
-        applyVideoWindowChange();
-        m_pendingChanges = false;
-    }
-}
-
-void MMF::VideoPlayer::aspectRatioChanged()
-{
-    TRACE_CONTEXT(VideoPlayer::aspectRatioChanged, EVideoInternal);
-    TRACE_ENTRY("state %d aspectRatio %d", state());
-
-    updateVideoRect();
-
-    TRACE_EXIT_0();
-}
-
-void MMF::VideoPlayer::scaleModeChanged()
-{
-    TRACE_CONTEXT(VideoPlayer::scaleModeChanged, EVideoInternal);
-    TRACE_ENTRY("state %d", state());
-
-    updateVideoRect();
-
-    TRACE_EXIT_0();
-}
-
-#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 // _DEBUG
-
-void MMF::VideoPlayer::applyPendingChanges()
-{
-    if(m_pendingChanges)
-        applyVideoWindowChange();
-
-    m_pendingChanges = false;
-}
-
-void MMF::VideoPlayer::applyVideoWindowChange()
-{
-    TRACE_CONTEXT(VideoPlayer::applyVideoWindowChange, EVideoInternal);
-    TRACE_ENTRY_0();
-
-#ifndef QT_NO_DEBUG
-    getDsaRegion(m_wsSession, *m_window);
-#endif
-
-    static const TBool antialias = ETrue;
-
-    TRAPD(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) {
-        TRAP(err,
-            m_player->SetDisplayWindowL
-                (
-                    m_wsSession, m_screenDevice,
-                    *m_window,
-                    m_videoRect, m_videoRect
-                )
-            );
-
-        if (KErrNone != err) {
-            TRACE("SetDisplayWindowL err %d", err);
-            setError(tr("Video display error"), err);
-        } else {
-            m_dsaActive = true;
-            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();
-}
-
-
-//-----------------------------------------------------------------------------
-// Metadata
-//-----------------------------------------------------------------------------
-
-int MMF::VideoPlayer::numberOfMetaDataEntries() const
-{
-    int numberOfEntries = 0;
-    TRAP_IGNORE(numberOfEntries = m_player->NumberOfMetaDataEntriesL());
-    return numberOfEntries;
-}
-
-QPair<QString, QString> MMF::VideoPlayer::metaDataEntry(int index) const
-{
-    CMMFMetaDataEntry *entry = 0;
-    QT_TRAP_THROWING(entry = m_player->MetaDataEntryL(index));
-    return QPair<QString, QString>(qt_TDesC2QString(entry->Name()), qt_TDesC2QString(entry->Value()));
-}
-
-QT_END_NAMESPACE
-