Changeset 561 for trunk/src/3rdparty/phonon/qt7/mediaobject.mm

Timestamp:

Feb 11, 2010, 11:19:06 PM (15 years ago)

Author:

Dmitry A. Kuminov

Message:

trunk: Merged in qt 4.6.1 sources.

Location:

trunk

Files:

• . (modified) (1 prop)
• src/3rdparty/phonon/qt7/mediaobject.mm (modified) (31 diffs)

trunk/src/3rdparty/phonon/qt7/mediaobject.mm

@@ -47 +47 @@
     setAudioNode(m_mediaObjectAudioNode);
 
-    m_metaData = new QuickTimeMetaData();
     m_audioGraph = new AudioGraph(this);
 
@@ -56 +55 @@
     m_percentageLoaded = 0;
     m_waitNextSwap = false;
+    m_autoplayTitles = true;
     m_audioEffectCount = 0;
     m_audioOutputCount = 0;
@@ -64 +64 @@
 
     m_tickTimer = 0;
-    m_bufferTimer = 0;
+    m_videoTimer = 0;
+    m_audioTimer = 0;
     m_rapidTimer = 0;
 
+#if QT_ALLOW_QUICKTIME
+    m_displayLink = 0;
+    m_pendingDisplayLinkEvent = false;
+#endif
+
     checkForError();
 }
 
 MediaObject::~MediaObject()
-{   
-    // m_mediaObjectAudioNode is owned by super class.    
+{
+    // m_mediaObjectAudioNode is owned by super class.
+#if QT_ALLOW_QUICKTIME
+    stopDisplayLink();
+#endif
     m_audioPlayer->unsetVideoPlayer();
     m_nextAudioPlayer->unsetVideoPlayer();
     delete m_videoPlayer;
     delete m_nextVideoPlayer;
-    delete m_metaData;
     checkForError();
 }
@@ -89 +97 @@
         if (m_state != state){
             // End-application did something
-            // upon  receiving the signal. 
+            // upon  receiving the signal.
             return false;
         }
@@ -123 +131 @@
     // effects or outputs connected. This will have
     // influence on the audio system and video system that ends up beeing used:
-    int prevVideoOutputCount = m_videoOutputCount;      
+    int prevVideoOutputCount = m_videoOutputCount;
     m_audioEffectCount = 0;
     m_audioOutputCount = 0;
@@ -135 +143 @@
             MediaNodeEvent e1(MediaNodeEvent::VideoOutputCountChanged, &m_videoOutputCount);
             notify(&e1);
-        }       
+    }
 }
 
@@ -168 +176 @@
     if (newAudioSystem == m_audioSystem)
         return;
-  
+
     // Enable selected audio system:
-    m_audioSystem = newAudioSystem; 
+    m_audioSystem = newAudioSystem;
     switch (newAudioSystem){
         case AS_Silent:
             m_audioGraph->stop();
             m_videoPlayer->enableAudio(false);
-            m_nextVideoPlayer->enableAudio(false);    
+            m_nextVideoPlayer->enableAudio(false);
             m_audioPlayer->enableAudio(false);
             m_nextAudioPlayer->enableAudio(false);
@@ -215 +223 @@
         PhononAutoReleasePool pool;
     setState(Phonon::LoadingState);
-    
+
     // Save current state for event/signal handling below:
     bool prevHasVideo = m_videoPlayer->hasVideo();
     qint64 prevTotalTime = totalTime();
+    int prevTrackCount = m_videoPlayer->trackCount();
     m_waitNextSwap = false;
-        
+
     // Cancel cross-fade if any:
     m_nextVideoPlayer->pause();
     m_nextAudioPlayer->pause();
     m_mediaObjectAudioNode->cancelCrossFade();
-    
+
     // Set new source:
     m_audioPlayer->unsetVideoPlayer();
     m_videoPlayer->setMediaSource(source);
     m_audioPlayer->setVideoPlayer(m_videoPlayer);
-    m_metaData->setVideo(m_videoPlayer);        
-
-    m_audioGraph->updateStreamSpecifications();        
+
+    m_audioGraph->updateStreamSpecifications();
     m_nextAudioPlayer->unsetVideoPlayer();
-    m_nextVideoPlayer->unsetVideo();
+    m_nextVideoPlayer->unsetCurrentMediaSource();
     m_currentTime = 0;
-        
+
     // Emit/notify information about the new source:
     QRect videoRect = m_videoPlayer->videoRect();
@@ -247 +255 @@
 
     emit currentSourceChanged(source);
-    emit metaDataChanged(m_metaData->metaData());
+    emit metaDataChanged(m_videoPlayer->metaData());
 
     if (prevHasVideo != m_videoPlayer->hasVideo())
-        emit hasVideoChanged(m_videoPlayer->hasVideo());        
+        emit hasVideoChanged(m_videoPlayer->hasVideo());
     if (prevTotalTime != totalTime())
-        emit totalTimeChanged(totalTime());        
+        emit totalTimeChanged(totalTime());
+    if (prevTrackCount != m_videoPlayer->trackCount())
+        emit availableTitlesChanged(m_videoPlayer->trackCount());
     if (checkForError())
         return;
@@ -261 +271 @@
     if (!m_videoPlayer->canPlayMedia())
         SET_ERROR("Cannot play media.", FATAL_ERROR)
-        
+
     // The state might have changed from LoadingState
     // as a response to an error state change. So we
@@ -288 +298 @@
     bool prevHasVideo = m_videoPlayer->hasVideo();
     qint64 prevTotalTime = totalTime();
+    int prevTrackCount = m_videoPlayer->trackCount();
 
     qSwap(m_audioPlayer, m_nextAudioPlayer);
@@ -293 +304 @@
     m_mediaObjectAudioNode->startCrossFade(transitionTime);
     m_audioGraph->updateStreamSpecifications();
-    m_metaData->setVideo(m_videoPlayer);
 
     m_waitNextSwap = false;
     m_currentTime = 0;
-        
+
     // Emit/notify information about the new source:
     QRect videoRect = m_videoPlayer->videoRect();
@@ -304 +314 @@
 
     emit currentSourceChanged(m_videoPlayer->mediaSource());
-    emit metaDataChanged(m_metaData->metaData());
+    emit metaDataChanged(m_videoPlayer->metaData());
 
     if (prevHasVideo != m_videoPlayer->hasVideo())
-        emit hasVideoChanged(m_videoPlayer->hasVideo());        
+        emit hasVideoChanged(m_videoPlayer->hasVideo());
     if (prevTotalTime != totalTime())
         emit totalTimeChanged(totalTime());
+    if (prevTrackCount != m_videoPlayer->trackCount())
+        emit availableTitlesChanged(m_videoPlayer->trackCount());
     if (checkForError())
         return;
@@ -328 +340 @@
 }
 
-void MediaObject::updateTimer(int &timer, int interval)
-{
-    if (timer)
-        killTimer(timer);
-    timer = 0;
-    if (interval >= 0)    
-        timer = startTimer(interval); 
+#if QT_ALLOW_QUICKTIME
+static CVReturn displayLinkCallback(CVDisplayLinkRef /*displayLink*/,
+                                                                 const CVTimeStamp */*inNow*/,
+                                                                 const CVTimeStamp */*inOutputTime*/,
+                                                                 CVOptionFlags /*flagsIn*/,
+                                                                 CVOptionFlags */*flagsOut*/,
+                                 void *userData)
+{
+    MediaObject *mediaObject = static_cast<MediaObject *>(userData);
+    mediaObject->displayLinkEvent();
+    return kCVReturnSuccess;
+}
+
+void MediaObject::displayLinkEvent()
+{
+    // This function is called from a
+    // thread != gui thread. So we post the event.
+    // But we need to make sure that we don't post faster
+    // than the event loop can eat:
+    m_displayLinkMutex.lock();
+    bool pending = m_pendingDisplayLinkEvent;
+    m_pendingDisplayLinkEvent = true;
+    m_displayLinkMutex.unlock();
+
+    if (!pending)
+        qApp->postEvent(this, new QEvent(QEvent::User), Qt::HighEventPriority);
+}
+
+void MediaObject::startDisplayLink()
+{
+    if (m_displayLink)
+        return;
+    OSStatus err = CVDisplayLinkCreateWithCGDisplay(kCGDirectMainDisplay, &m_displayLink);
+    if (err != noErr)
+        goto fail;
+    err = CVDisplayLinkSetCurrentCGDisplay(m_displayLink, kCGDirectMainDisplay);
+    if (err != noErr)
+        goto fail;
+    err = CVDisplayLinkSetOutputCallback(m_displayLink, displayLinkCallback, this);
+    if (err != noErr)
+        goto fail;
+    err = CVDisplayLinkStart(m_displayLink);
+    if (err != noErr)
+        goto fail;
+    return;
+fail:
+    stopDisplayLink();
+}
+
+void MediaObject::stopDisplayLink()
+{
+    if (!m_displayLink)
+        return;
+    CVDisplayLinkStop(m_displayLink);
+    CFRelease(m_displayLink);
+    m_displayLink = 0;
+}
+#endif
+
+void MediaObject::restartAudioVideoTimers()
+{
+    if (m_videoTimer)
+        killTimer(m_videoTimer);
+    if (m_audioTimer)
+        killTimer(m_audioTimer);
+
+#if QT_ALLOW_QUICKTIME
+    // We prefer to use a display link as timer if available, since
+    // it is more steady, and results in better and smoother frame drawing:
+    startDisplayLink();
+    if (!m_displayLink){
+        float fps = m_videoPlayer->staticFps();
+        long videoUpdateFrequency = fps ? long(1000.0f / fps) : 0.001;
+        m_videoTimer = startTimer(videoUpdateFrequency);
+    }
+#else
+    float fps = m_videoPlayer->staticFps();
+    long videoUpdateFrequency = fps ? long(1000.0f / fps) : 0.001;
+    m_videoTimer = startTimer(videoUpdateFrequency);
+#endif
+
+    long audioUpdateFrequency = m_audioPlayer->regularTaskFrequency();
+    m_audioTimer = startTimer(audioUpdateFrequency);
+    updateVideoFrames();
+    updateAudioBuffers();
 }
 
@@ -341 +431 @@
     // Play main audio/video:
     m_videoPlayer->play();
-    m_audioPlayer->play();     
+    m_audioPlayer->play();
     updateLipSynch(0);
     // Play old audio/video to finish cross-fade:
@@ -348 +438 @@
         m_nextAudioPlayer->play();
     }
-    bufferAudioVideo();
-    updateTimer(m_rapidTimer, 100);
+    restartAudioVideoTimers();
+    if (!m_rapidTimer)
+        m_rapidTimer = startTimer(100);
 }
 
@@ -359 +450 @@
     m_videoPlayer->pause();
     m_nextVideoPlayer->pause();
-    updateTimer(m_rapidTimer, -1);
-    updateTimer(m_bufferTimer, -1);
-
+    killTimer(m_rapidTimer);
+    killTimer(m_videoTimer);
+    killTimer(m_audioTimer);
+    m_rapidTimer = 0;
+    m_videoTimer = 0;
+    m_audioTimer = 0;
+#if QT_ALLOW_QUICKTIME
+    stopDisplayLink();
+#endif
     if (m_waitNextSwap)
         m_swapTimeLeft = m_swapTime.msecsTo(QTime::currentTime());
@@ -383 +480 @@
         return;
     if (!setState(Phonon::PlayingState))
-        return;        
+        return;
     if (m_audioSystem == AS_Graph){
         m_audioGraph->start();
@@ -424 +521 @@
         return;
     m_waitNextSwap = false;
-    m_nextVideoPlayer->unsetVideo();
+    m_nextVideoPlayer->unsetCurrentMediaSource();
     m_nextAudioPlayer->unsetVideoPlayer();
     pause_internal();
@@ -436 +533 @@
     if (m_state == Phonon::ErrorState)
         return;
-        
+
     // Stop cross-fade if any:
-    m_nextVideoPlayer->unsetVideo();
+    m_nextVideoPlayer->unsetCurrentMediaSource();
     m_nextAudioPlayer->unsetVideoPlayer();
     m_mediaObjectAudioNode->cancelCrossFade();
@@ -447 +544 @@
     m_audioPlayer->seek(m_videoPlayer->currentTime());
     m_mediaObjectAudioNode->setMute(false);
-    
+
     // Update time and cancel pending swap:
     if (m_currentTime < m_videoPlayer->duration())
@@ -558 +655 @@
 {
     IMPLEMENTED_SILENT;
-    const_cast<MediaObject *>(this)->updateCurrentTime(); 
+    const_cast<MediaObject *>(this)->updateCurrentTime();
     return m_currentTime;
 }
@@ -568 +665 @@
     quint64 total = m_videoPlayer->duration();
 
-    // Check if it's time to emit aboutToFinish:
-    quint32 mark = qMax(quint64(0), qMin(total, total + m_transitionTime - 2000));
-    if (lastUpdateTime < mark && mark <= m_currentTime)
-        emit aboutToFinish();
-
-    // Check if it's time to emit prefinishMarkReached:
-    mark = qMax(quint64(0), total - m_prefinishMark);
-    if (lastUpdateTime < mark && mark <= m_currentTime)
-        emit prefinishMarkReached(total - m_currentTime);
-
-    if (m_nextVideoPlayer->state() == QuickTimeVideoPlayer::NoMedia){
-        // There is no next source in que.
-        // Check if it's time to emit finished:
+    if (m_videoPlayer->currentTrack() < m_videoPlayer->trackCount() - 1){
+        // There are still more tracks to play after the current track.
+        if (m_autoplayTitles) {
+            if (lastUpdateTime < m_currentTime && m_currentTime == total)
+                setCurrentTrack(m_videoPlayer->currentTrack() + 1);
+        }
+    } else if (m_nextVideoPlayer->state() == QuickTimeVideoPlayer::NoMedia){
+        // There is no more sources or tracks to play after the current source.
+        // Check if it's time to emit aboutToFinish:
+        quint32 mark = qMax(quint64(0), qMin(total, total + m_transitionTime - 2000));
+        if (lastUpdateTime < mark && mark <= m_currentTime)
+            emit aboutToFinish();
+
+        // Check if it's time to emit prefinishMarkReached:
+        mark = qMax(quint64(0), total - m_prefinishMark);
+        if (lastUpdateTime < mark && mark <= m_currentTime)
+            emit prefinishMarkReached(total - m_currentTime);
+
         if (lastUpdateTime < m_currentTime && m_currentTime == total){
             emit finished();
@@ -590 +692 @@
         // We have a next source.
         // Check if it's time to swap to next source:
-        mark = qMax(quint64(0), total + m_transitionTime);
+        quint32 mark = qMax(quint64(0), total + m_transitionTime);
         if (m_waitNextSwap && m_state == Phonon::PlayingState &&
             m_transitionTime < m_swapTime.msecsTo(QTime::currentTime())){
@@ -693 +795 @@
 void MediaObject::updateCrossFade()
 {
-    m_mediaObjectAudioNode->updateCrossFade(m_currentTime);   
+    m_mediaObjectAudioNode->updateCrossFade(m_currentTime);
     // Clean-up previous movie if done fading:
     if (m_mediaObjectAudioNode->m_fadeDuration == 0){
         if (m_nextVideoPlayer->isPlaying() || m_nextAudioPlayer->isPlaying()){
-            m_nextVideoPlayer->unsetVideo();
+            m_nextVideoPlayer->unsetCurrentMediaSource();
             m_nextAudioPlayer->unsetVideoPlayer();
         }
-    }        
+    }
 }
 
@@ -729 +831 @@
     if (m_videoPlayer->videoFrameChanged()){
         updateLipSynch(50);
-        VideoFrame frame(m_videoPlayer);           
+        VideoFrame frame(m_videoPlayer);
         if (m_nextVideoPlayer->isPlaying()
             && m_nextVideoPlayer->hasVideo()
@@ -737 +839 @@
             frame.setBaseOpacity(m_mediaObjectAudioNode->m_volume1);
         }
-        
+
         // Send the frame through the graph:
-        updateVideo(frame);    
+        updateVideo(frame);
         checkForError();
     }
@@ -750 +852 @@
     if (m_videoSinkList.isEmpty() || m_audioSinkList.isEmpty())
         return;
-        
+
     if (m_videoPlayer->hasVideo()){
         qint64 diff = m_audioPlayer->currentTime() - m_videoPlayer->currentTime();
@@ -762 +864 @@
             m_nextAudioPlayer->seek(m_nextVideoPlayer->currentTime());
     }
-}
-
-void MediaObject::bufferAudioVideo()
-{
-    long nextVideoUpdate = m_videoPlayer->hasVideo() ? 30 : INT_MAX;
-    long nextAudioUpdate = m_audioPlayer->regularTaskFrequency();
-    updateAudioBuffers();
-    updateVideoFrames();
-    if (m_state == Phonon::PlayingState)
-        updateTimer(m_bufferTimer, qMin(nextVideoUpdate, nextAudioUpdate));
 }
 
@@ -798 +890 @@
             checkForError();
             m_mediaObjectAudioNode->setMute(false);
-             if (m_state == Phonon::PlayingState)
-                bufferAudioVideo();
+            if (m_state == Phonon::PlayingState)
+                restartAudioVideoTimers();
             break;
         case MediaNodeEvent::AudioGraphCannotPlay:
@@ -810 +902 @@
                 m_mediaObjectAudioNode->setMute(false);
             }
-            break; 
-        default:
-            break;
-    }
-}
-
-bool MediaObject::event(QEvent *event)
-{
-    switch (event->type()){
-        case QEvent::Timer: {
-            QTimerEvent *timerEvent = static_cast<QTimerEvent *>(event);
-            if (timerEvent->timerId() == m_rapidTimer)
-                updateRapidly();
-            else if (timerEvent->timerId() == m_tickTimer)
-                emit tick(currentTime());
-            else if (timerEvent->timerId() == m_bufferTimer)
-                bufferAudioVideo();
-            }
             break;
         default:
             break;
     }
+}
+
+bool MediaObject::event(QEvent *event)
+{
+    switch (event->type()){
+#if QT_ALLOW_QUICKTIME
+        case QEvent::User:{
+            m_displayLinkMutex.lock();
+            m_pendingDisplayLinkEvent = false;
+            m_displayLinkMutex.unlock();
+            updateVideoFrames();
+            break; }
+#endif
+        case QEvent::Timer:{
+            int timerId = static_cast<QTimerEvent *>(event)->timerId();
+            if (timerId == m_rapidTimer)
+                updateRapidly();
+            else if (timerId == m_tickTimer)
+                emit tick(currentTime());
+            else if (timerId == m_videoTimer)
+                updateVideoFrames();
+            else if (timerId == m_audioTimer)
+                updateAudioBuffers();
+            break; }
+        default:
+            break;
+    }
     return QObject::event(event);
 }
 
-bool MediaObject::hasInterface(Interface /*interface*/) const
-{
-    return false;
-}
-
-QVariant MediaObject::interfaceCall(Interface /*interface*/, int /*command*/, const QList<QVariant> &/*arguments*/)
-{
+void MediaObject::setCurrentTrack(int track)
+{
+    if (track == m_videoPlayer->currentTrack() || track < 0 || track >= m_videoPlayer->trackCount())
+        return;
+
+    m_videoPlayer->setCurrentTrack(track);
+    emit titleChanged(track);
+    emit metaDataChanged(m_videoPlayer->metaData());
+}
+
+bool MediaObject::hasInterface(Interface iface) const
+{
+    return iface == AddonInterface::TitleInterface;
+}
+
+QVariant MediaObject::interfaceCall(Interface iface, int command, const QList<QVariant> &params)
+{
+    switch (iface) {
+        case TitleInterface:
+            switch (command) {
+                case availableTitles:
+                    return m_videoPlayer->trackCount();
+                case title:
+                    return m_videoPlayer->currentTrack();
+                case setTitle:
+                    setCurrentTrack(params.first().toInt());
+                    break;
+                case autoplayTitles:
+                    return m_autoplayTitles;
+                case setAutoplayTitles:
+                    m_autoplayTitles = params.first().toBool();
+                    break;
+            }
+        default:
+            break;
+    }
     return QVariant();
 }