plugins/multimedia/qt7/qt7playersession.mm
changeset 0 876b1a06bc25
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/plugins/multimedia/qt7/qt7playersession.mm	Wed Aug 25 15:49:42 2010 +0300
@@ -0,0 +1,631 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the Qt Mobility Components.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#import <QTKit/QTDataReference.h>
+#import <QTKit/QTMovie.h>
+
+#include "qt7backend.h"
+
+#include "qt7playersession.h"
+#include "qt7playercontrol.h"
+#include "qt7videooutput.h"
+
+#include <QtNetwork/qnetworkcookie.h>
+#include <qmediaplaylistnavigator.h>
+
+#include <CoreFoundation/CoreFoundation.h>
+#include <Foundation/Foundation.h>
+
+#include <QtCore/qdatetime.h>
+#include <QtCore/qurl.h>
+
+#include <QtCore/qdebug.h>
+
+QT_USE_NAMESPACE
+
+@interface QTMovieObserver : NSObject
+{
+@private
+    QT7PlayerSession *m_session;
+    QTMovie *m_movie;
+}
+
+- (QTMovieObserver *) initWithPlayerSession:(QT7PlayerSession*)session;
+- (void) setMovie:(QTMovie *)movie;
+- (void) processEOS:(NSNotification *)notification;
+- (void) processLoadStateChange:(NSNotification *)notification;
+- (void) processVolumeChange:(NSNotification *)notification;
+- (void) processNaturalSizeChange :(NSNotification *)notification;
+@end
+
+@implementation QTMovieObserver
+
+- (QTMovieObserver *) initWithPlayerSession:(QT7PlayerSession*)session
+{
+    if (!(self = [super init]))
+        return nil;
+
+    self->m_session = session;
+    return self;
+}
+
+- (void) setMovie:(QTMovie *)movie
+{
+    if (m_movie == movie)
+        return;
+
+    if (m_movie) {
+        [[NSNotificationCenter defaultCenter] removeObserver:self];
+        [m_movie release];
+    }
+
+    m_movie = movie;
+
+    if (movie) {
+        [[NSNotificationCenter defaultCenter] addObserver:self
+                                                 selector:@selector(processEOS:)
+                                                     name:QTMovieDidEndNotification
+                                                   object:m_movie];
+
+        [[NSNotificationCenter defaultCenter] addObserver:self
+                                                 selector:@selector(processLoadStateChange:)
+                                                     name:QTMovieLoadStateDidChangeNotification
+                                                   object:m_movie];
+
+        [[NSNotificationCenter defaultCenter] addObserver:self
+                                                 selector:@selector(processVolumeChange:)
+                                                     name:QTMovieVolumeDidChangeNotification
+                                                   object:m_movie];
+
+        if (QSysInfo::MacintoshVersion >= QSysInfo::MV_10_6) {
+            [[NSNotificationCenter defaultCenter] addObserver:self
+                                                     selector:@selector(processNaturalSizeChange:)
+                                                         name:@"QTMovieNaturalSizeDidChangeNotification"
+                                                       object:m_movie];
+
+        }
+        else {
+            [[NSNotificationCenter defaultCenter] addObserver:self
+                                                     selector:@selector(processNaturalSizeChange:)
+                                                         name:QTMovieEditedNotification
+                                                       object:m_movie];
+        }
+
+        [movie retain];
+    }
+}
+
+- (void) processEOS:(NSNotification *)notification
+{
+    Q_UNUSED(notification);
+    QMetaObject::invokeMethod(m_session, "processEOS", Qt::AutoConnection);
+}
+
+- (void) processLoadStateChange:(NSNotification *)notification
+{
+    Q_UNUSED(notification);
+    QMetaObject::invokeMethod(m_session, "processLoadStateChange", Qt::AutoConnection);
+}
+
+- (void) processVolumeChange:(NSNotification *)notification
+{
+    Q_UNUSED(notification);
+    QMetaObject::invokeMethod(m_session, "processVolumeChange", Qt::AutoConnection);
+}
+
+- (void) processNaturalSizeChange :(NSNotification *)notification
+{
+    Q_UNUSED(notification);
+    QMetaObject::invokeMethod(m_session, "processNaturalSizeChange", Qt::AutoConnection);
+}
+
+@end
+
+static inline NSString *qString2CFStringRef(const QString &string)
+{
+    return [NSString stringWithCharacters:reinterpret_cast<const UniChar *>(string.unicode()) length:string.length()];
+}
+
+QT7PlayerSession::QT7PlayerSession(QObject *parent)
+   : QObject(parent)
+   , m_QTMovie(0)
+   , m_state(QMediaPlayer::StoppedState)
+   , m_mediaStatus(QMediaPlayer::NoMedia)
+   , m_mediaStream(0)
+   , m_videoOutput(0)
+   , m_muted(false)
+   , m_tryingAsync(false)
+   , m_volume(100)
+   , m_rate(1.0)
+   , m_duration(0)
+   , m_videoAvailable(false)
+   , m_audioAvailable(false)
+{
+    m_movieObserver = [[QTMovieObserver alloc] initWithPlayerSession:this];
+}
+
+QT7PlayerSession::~QT7PlayerSession()
+{
+    [(QTMovieObserver*)m_movieObserver setMovie:nil];
+    [(QTMovieObserver*)m_movieObserver release];
+    [(QTMovie*)m_QTMovie release];
+}
+
+void *QT7PlayerSession::movie() const
+{
+    return m_QTMovie;
+}
+
+void QT7PlayerSession::setVideoOutput(QT7VideoOutput *output)
+{
+    if (m_videoOutput == output)
+        return;
+
+    if (m_videoOutput)
+        m_videoOutput->setMovie(0);
+
+    m_videoOutput = output;
+
+    if (m_videoOutput && m_state != QMediaPlayer::StoppedState)
+        m_videoOutput->setMovie(m_QTMovie);
+}
+
+qint64 QT7PlayerSession::position() const
+{
+    if (!m_QTMovie || m_state == QMediaPlayer::PausedState)
+        return m_currentTime;
+
+    QTTime qtTime = [(QTMovie*)m_QTMovie currentTime];
+    quint64 t = static_cast<quint64>(float(qtTime.timeValue) / float(qtTime.timeScale) * 1000.0f);
+    m_currentTime = t;
+
+    return m_currentTime;
+}
+
+qint64 QT7PlayerSession::duration() const
+{
+    if (!m_QTMovie)
+        return 0;
+
+    QTTime qtTime = [(QTMovie*)m_QTMovie duration];
+
+    return static_cast<quint64>(float(qtTime.timeValue) / float(qtTime.timeScale) * 1000.0f);
+}
+
+QMediaPlayer::State QT7PlayerSession::state() const
+{
+    return m_state;
+}
+
+QMediaPlayer::MediaStatus QT7PlayerSession::mediaStatus() const
+{
+    return m_mediaStatus;
+}
+
+int QT7PlayerSession::bufferStatus() const
+{
+    return 100;
+}
+
+int QT7PlayerSession::volume() const
+{
+    return m_volume;
+}
+
+bool QT7PlayerSession::isMuted() const
+{
+    return m_muted;
+}
+
+bool QT7PlayerSession::isSeekable() const
+{
+    return true;
+}
+
+qreal QT7PlayerSession::playbackRate() const
+{
+    return m_rate;
+}
+
+void QT7PlayerSession::setPlaybackRate(qreal rate)
+{
+    if (qFuzzyCompare(m_rate, rate))
+        return;
+
+    m_rate = rate;
+
+    if (m_QTMovie != 0 && m_state == QMediaPlayer::PlayingState) {
+        AutoReleasePool pool;
+        float preferredRate = [[(QTMovie*)m_QTMovie attributeForKey:@"QTMoviePreferredRateAttribute"] floatValue];
+        [(QTMovie*)m_QTMovie setRate:preferredRate * m_rate];
+    }
+}
+
+void QT7PlayerSession::setPosition(qint64 pos)
+{
+    if ( !isSeekable() || pos == position())
+        return;
+
+    pos = qMin(pos, duration());
+
+    QTTime newQTTime = [(QTMovie*)m_QTMovie currentTime];
+    newQTTime.timeValue = (pos / 1000.0f) * newQTTime.timeScale;
+    [(QTMovie*)m_QTMovie setCurrentTime:newQTTime];
+}
+
+void QT7PlayerSession::play()
+{
+    if (m_state == QMediaPlayer::PlayingState)
+        return;
+
+    m_state = QMediaPlayer::PlayingState;
+
+    if (m_videoOutput)
+        m_videoOutput->setMovie(m_QTMovie);
+
+    AutoReleasePool pool;
+    float preferredRate = [[(QTMovie*)m_QTMovie attributeForKey:@"QTMoviePreferredRateAttribute"] floatValue];
+    [(QTMovie*)m_QTMovie setRate:preferredRate * m_rate];
+
+    emit stateChanged(m_state);
+}
+
+void QT7PlayerSession::pause()
+{
+    if (m_state == QMediaPlayer::PausedState)
+        return;
+
+    m_state = QMediaPlayer::PausedState;
+
+    if (m_videoOutput)
+        m_videoOutput->setMovie(m_QTMovie);
+
+    [(QTMovie*)m_QTMovie setRate:0];
+
+    emit stateChanged(m_state);
+}
+
+void QT7PlayerSession::stop()
+{
+    if (m_state == QMediaPlayer::StoppedState)
+        return;
+
+    m_state = QMediaPlayer::StoppedState;
+
+    [(QTMovie*)m_QTMovie setRate:0];
+    setPosition(0);
+
+    if (m_videoOutput)
+        m_videoOutput->setMovie(0);
+
+    emit stateChanged(m_state);
+}
+
+void QT7PlayerSession::setVolume(int volume)
+{
+    if (m_volume == volume)
+        return;
+
+    m_volume = volume;
+
+    if (m_QTMovie != 0)
+        [(QTMovie*)m_QTMovie setVolume:m_volume / 100.0f];
+    else
+        emit volumeChanged(m_volume);
+}
+
+void QT7PlayerSession::setMuted(bool muted)
+{
+    if (m_muted == muted)
+        return;
+
+    m_muted = muted;
+
+    if (m_QTMovie != 0)
+        [(QTMovie*)m_QTMovie setMuted:m_muted];
+
+    emit mutedChanged(muted);
+}
+
+QMediaContent QT7PlayerSession::media() const
+{
+    return m_resources;
+}
+
+const QIODevice *QT7PlayerSession::mediaStream() const
+{
+    return m_mediaStream;
+}
+
+void QT7PlayerSession::setMedia(const QMediaContent &content, QIODevice *stream)
+{
+    AutoReleasePool pool;
+
+#ifdef QT_DEBUG_QT7
+    qDebug() << Q_FUNC_INFO << content.canonicalUrl();
+#endif
+
+    if (m_QTMovie) {
+        [(QTMovieObserver*)m_movieObserver setMovie:nil];
+
+        if (m_videoOutput)
+            m_videoOutput->setMovie(0);
+
+        [(QTMovie*)m_QTMovie release];
+        m_QTMovie = 0;
+    }
+
+    m_resources = content;
+    m_mediaStream = stream;
+    m_mediaStatus = QMediaPlayer::NoMedia;
+
+    if (content.isNull())
+        return;
+
+    QNetworkRequest request = content.canonicalResource().request();
+
+    QVariant cookies = request.header(QNetworkRequest::CookieHeader);
+    if (cookies.isValid()) {
+        NSHTTPCookieStorage *store = [NSHTTPCookieStorage sharedHTTPCookieStorage];
+        QList<QNetworkCookie> cookieList = cookies.value<QList<QNetworkCookie> >();
+
+        foreach (const QNetworkCookie &requestCookie, cookieList) {
+            NSMutableDictionary *p = [NSMutableDictionary dictionaryWithObjectsAndKeys:
+                               qString2CFStringRef(requestCookie.name()), NSHTTPCookieName,
+                               qString2CFStringRef(requestCookie.value()), NSHTTPCookieValue,
+                               qString2CFStringRef(requestCookie.domain()), NSHTTPCookieDomain,
+                               qString2CFStringRef(requestCookie.path()), NSHTTPCookiePath,
+                               nil
+                               ];
+            if (requestCookie.isSessionCookie())
+                [p setObject:[NSString stringWithUTF8String:"TRUE"] forKey:NSHTTPCookieDiscard];
+            else
+                [p setObject:[NSDate dateWithTimeIntervalSince1970:requestCookie.expirationDate().toTime_t()] forKey:NSHTTPCookieExpires];
+
+            [store setCookie:[NSHTTPCookie cookieWithProperties:p]];
+        }
+    }
+
+    // Attempt multiple times to open the movie.
+    // First try - attempt open in async mode
+    openMovie(true);
+}
+
+void QT7PlayerSession::openMovie(bool tryAsync)
+{
+    QUrl requestUrl = m_resources.canonicalResource().request().url();
+    if (requestUrl.scheme().isEmpty())
+        requestUrl.setScheme(QLatin1String("file"));
+
+#ifdef QT_DEBUG_QT7
+    qDebug() << Q_FUNC_INFO << requestUrl;
+#endif
+
+    NSError *err = 0;
+    NSString *urlString = [NSString stringWithUTF8String:requestUrl.toEncoded().constData()];
+
+    NSMutableDictionary *attr = [NSMutableDictionary dictionaryWithObjectsAndKeys:
+                [NSURL URLWithString:urlString], QTMovieURLAttribute,
+                [NSNumber numberWithBool:YES], QTMovieOpenAsyncOKAttribute,
+                [NSNumber numberWithBool:YES], QTMovieIsActiveAttribute,
+                [NSNumber numberWithBool:YES], QTMovieResolveDataRefsAttribute,
+                [NSNumber numberWithBool:YES], QTMovieDontInteractWithUserAttribute,
+                nil];
+
+    if (tryAsync && QSysInfo::MacintoshVersion >= QSysInfo::MV_10_6) {
+        [attr setObject:[NSNumber numberWithBool:YES] forKey:@"QTMovieOpenAsyncRequiredAttribute"];
+// XXX: This is disabled for now. causes some problems with video playback for some formats
+//        [attr setObject:[NSNumber numberWithBool:YES] forKey:@"QTMovieOpenForPlaybackAttribute"];
+        m_tryingAsync = true;
+    }
+    else
+        m_tryingAsync = false;
+
+    m_QTMovie = [QTMovie movieWithAttributes:attr error:&err];
+    if (err != nil) {
+        // First attempt to test for inability to perform async
+//        if ([err code] == QTErrorMovieOpeningCannotBeAsynchronous) { XXX: error code unknown!
+        if (m_tryingAsync) {
+            m_tryingAsync = false;
+            err = nil;
+            [attr removeObjectForKey:@"QTMovieOpenAsyncRequiredAttribute"];
+            m_QTMovie = [QTMovie movieWithAttributes:attr error:&err];
+        }
+    }
+
+    if (err != nil) {
+        m_QTMovie = 0;
+        QString description = QString::fromUtf8([[err localizedDescription] UTF8String]);
+        emit error(QMediaPlayer::FormatError, description);
+
+#ifdef QT_DEBUG_QT7
+        qDebug() << Q_FUNC_INFO << description;
+#endif
+    }
+    else {
+        [(QTMovie*)m_QTMovie retain];
+
+        [(QTMovieObserver*)m_movieObserver setMovie:(QTMovie*)m_QTMovie];
+
+        if (m_state != QMediaPlayer::StoppedState && m_videoOutput)
+            m_videoOutput->setMovie(m_QTMovie);
+
+        processLoadStateChange();
+
+        [(QTMovie*)m_QTMovie setMuted:m_muted];
+        [(QTMovie*)m_QTMovie setVolume:m_volume / 100.0f];
+    }
+}
+
+bool QT7PlayerSession::isAudioAvailable() const
+{
+    if (!m_QTMovie)
+        return false;
+
+    AutoReleasePool pool;
+    return [[(QTMovie*)m_QTMovie attributeForKey:@"QTMovieHasAudioAttribute"] boolValue] == YES;
+}
+
+bool QT7PlayerSession::isVideoAvailable() const
+{
+    if (!m_QTMovie)
+        return false;
+
+    AutoReleasePool pool;
+    return [[(QTMovie*)m_QTMovie attributeForKey:@"QTMovieHasVideoAttribute"] boolValue] == YES;
+}
+
+void QT7PlayerSession::processEOS()
+{
+#ifdef QT_DEBUG_QT7
+    qDebug() << Q_FUNC_INFO;
+#endif
+    m_mediaStatus = QMediaPlayer::EndOfMedia;
+    if (m_videoOutput)
+        m_videoOutput->setMovie(0);
+    emit stateChanged(m_state = QMediaPlayer::StoppedState);
+    emit mediaStatusChanged(m_mediaStatus);
+}
+
+void QT7PlayerSession::processLoadStateChange()
+{
+    if (!m_QTMovie)
+        return;
+
+    AutoReleasePool pool;
+
+    long state = [[(QTMovie*)m_QTMovie attributeForKey:QTMovieLoadStateAttribute] longValue];
+
+#ifdef QT_DEBUG_QT7
+    qDebug() << Q_FUNC_INFO << state;
+#endif
+
+#ifndef QUICKTIME_C_API_AVAILABLE
+    enum {
+      kMovieLoadStateError          = -1L,
+      kMovieLoadStateLoading        = 1000,
+      kMovieLoadStateLoaded         = 2000,
+      kMovieLoadStatePlayable       = 10000,
+      kMovieLoadStatePlaythroughOK  = 20000,
+      kMovieLoadStateComplete       = 100000
+    };
+#endif
+
+    if (state == kMovieLoadStateError) {
+        if (m_tryingAsync) {
+            NSError *error = [(QTMovie*)m_QTMovie attributeForKey:@"QTMovieLoadStateErrorAttribute"];
+            if ([error code] == componentNotThreadSafeErr) {
+                // Last Async check, try again with no such flag
+                openMovie(false);
+            }
+        }
+        else {
+            if (m_videoOutput)
+                m_videoOutput->setMovie(0);
+
+            emit error(QMediaPlayer::FormatError, tr("Failed to load media"));
+            emit mediaStatusChanged(m_mediaStatus = QMediaPlayer::InvalidMedia);
+            emit stateChanged(m_state = QMediaPlayer::StoppedState);
+        }
+
+        return;
+    }
+
+    QMediaPlayer::MediaStatus newStatus = QMediaPlayer::NoMedia;
+    bool isPlaying = (m_state != QMediaPlayer::StoppedState);
+
+    if (state >= kMovieLoadStatePlaythroughOK) {
+        newStatus = isPlaying ? QMediaPlayer::BufferedMedia : QMediaPlayer::LoadedMedia;
+    } else if (state >= kMovieLoadStatePlayable)
+        newStatus = isPlaying ? QMediaPlayer::BufferingMedia : QMediaPlayer::LoadingMedia;
+    else if (state >= kMovieLoadStateLoading)
+        newStatus = isPlaying ? QMediaPlayer::StalledMedia : QMediaPlayer::LoadingMedia;
+
+    if (state >= kMovieLoadStatePlayable &&
+        m_state == QMediaPlayer::PlayingState &&
+        [(QTMovie*)m_QTMovie rate] == 0) {
+
+        float preferredRate = [[(QTMovie*)m_QTMovie attributeForKey:@"QTMoviePreferredRateAttribute"] floatValue];
+
+        [(QTMovie*)m_QTMovie setRate:preferredRate * m_rate];
+    }
+
+    if (state >= kMovieLoadStateLoaded) {
+        qint64 currentDuration = duration();
+        if (m_duration != currentDuration)
+            emit durationChanged(m_duration = currentDuration);
+
+        if (m_audioAvailable != isAudioAvailable())
+            emit audioAvailableChanged(m_audioAvailable = !m_audioAvailable);
+
+        if (m_videoAvailable != isVideoAvailable())
+            emit videoAvailableChanged(m_videoAvailable = !m_videoAvailable);
+    }
+
+    if (newStatus != m_mediaStatus)
+        emit mediaStatusChanged(m_mediaStatus = newStatus);
+}
+
+void QT7PlayerSession::processVolumeChange()
+{
+    if (!m_QTMovie)
+        return;
+
+    int newVolume = qRound(100.0f * [((QTMovie*)m_QTMovie) volume]);
+
+    if (newVolume != m_volume) {
+        emit volumeChanged(m_volume = newVolume);
+    }
+}
+
+void QT7PlayerSession::processNaturalSizeChange()
+{
+    AutoReleasePool pool;
+    NSSize size = [[(QTMovie*)m_QTMovie attributeForKey:@"QTMovieNaturalSizeAttribute"] sizeValue];
+#ifdef QT_DEBUG_QT7
+    qDebug() << Q_FUNC_INFO << QSize(size.width, size.height);
+#endif
+
+    if (m_videoOutput)
+        m_videoOutput->updateNaturalSize(QSize(size.width, size.height));
+}
+
+#include "moc_qt7playersession.cpp"