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-/****************************************************************************
-**
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
-** All rights reserved.
-** Contact: Nokia Corporation (qt-info@nokia.com)
-**
-** This file is part of the plugins of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** 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/QTKit.h>
-
-#include "qt7backend.h"
-
-#include "qt7playercontrol.h"
-#include "qt7movievideowidget.h"
-#include "qt7playersession.h"
-#include "qcvdisplaylink.h"
-#include <QtCore/qdebug.h>
-#include <QtCore/qcoreapplication.h>
-
-#include <QGLWidget>
-
-#import <QuartzCore/QuartzCore.h>
-
-#include "math.h"
-
-QT_BEGIN_NAMESPACE
-
-class GLVideoWidget : public QGLWidget
-{
-public:
-
- GLVideoWidget(QWidget *parent, const QGLFormat &format)
- : QGLWidget(format, parent),
- m_texRef(0),
- m_nativeSize(640,480),
- m_aspectRatioMode(Qt::KeepAspectRatio)
- {
- setAutoFillBackground(false);
- }
-
- void initializeGL()
- {
- QColor bgColor = palette().color(QPalette::Background);
- glClearColor(bgColor.redF(), bgColor.greenF(), bgColor.blueF(), bgColor.alphaF());
- }
-
- void resizeGL(int w, int h)
- {
- glMatrixMode(GL_MODELVIEW);
- glLoadIdentity();
- glMatrixMode(GL_PROJECTION);
- glLoadIdentity();
- glViewport(0, 0, GLsizei(w), GLsizei(h));
- gluOrtho2D(0, GLsizei(w), 0, GLsizei(h));
- updateGL();
- }
-
- void paintGL()
- {
- glClear(GL_COLOR_BUFFER_BIT);
- if (!m_texRef)
- return;
-
- glPushMatrix();
- glDisable(GL_CULL_FACE);
- GLenum target = CVOpenGLTextureGetTarget(m_texRef);
- glEnable(target);
-
- glBindTexture(target, CVOpenGLTextureGetName(m_texRef));
- glTexParameterf(target, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
- glTexParameterf(target, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
- GLfloat lowerLeft[2], lowerRight[2], upperRight[2], upperLeft[2];
- CVOpenGLTextureGetCleanTexCoords(m_texRef, lowerLeft, lowerRight, upperRight, upperLeft);
-
- glBegin(GL_QUADS);
- QRect rect = displayRect();
- glTexCoord2f(lowerLeft[0], lowerLeft[1]);
- glVertex2i(rect.topLeft().x(), rect.topLeft().y());
- glTexCoord2f(lowerRight[0], lowerRight[1]);
- glVertex2i(rect.topRight().x() + 1, rect.topRight().y());
- glTexCoord2f(upperRight[0], upperRight[1]);
- glVertex2i(rect.bottomRight().x() + 1, rect.bottomRight().y() + 1);
- glTexCoord2f(upperLeft[0], upperLeft[1]);
- glVertex2i(rect.bottomLeft().x(), rect.bottomLeft().y() + 1);
- glEnd();
- glPopMatrix();
- }
-
- void setCVTexture(CVOpenGLTextureRef texRef)
- {
- if (m_texRef)
- CVOpenGLTextureRelease(m_texRef);
-
- m_texRef = texRef;
-
- if (m_texRef)
- CVOpenGLTextureRetain(m_texRef);
-
- if (isVisible()) {
- makeCurrent();
- paintGL();
- swapBuffers();
- }
- }
-
- QSize sizeHint() const
- {
- return m_nativeSize;
- }
-
- void setNativeSize(const QSize &size)
- {
- m_nativeSize = size;
- }
-
- void setAspectRatioMode(Qt::AspectRatioMode mode)
- {
- if (m_aspectRatioMode != mode) {
- m_aspectRatioMode = mode;
- update();
- }
- }
-
-private:
- QRect displayRect() const
- {
- QRect displayRect = rect();
-
- if (m_aspectRatioMode == Qt::KeepAspectRatio) {
- QSize size = m_nativeSize;
- size.scale(displayRect.size(), Qt::KeepAspectRatio);
-
- displayRect = QRect(QPoint(0, 0), size);
- displayRect.moveCenter(rect().center());
- }
- return displayRect;
- }
-
- CVOpenGLTextureRef m_texRef;
- QSize m_nativeSize;
- Qt::AspectRatioMode m_aspectRatioMode;
-};
-
-QT7MovieVideoWidget::QT7MovieVideoWidget(QObject *parent)
- :QT7VideoWidgetControl(parent),
- m_movie(0),
- m_videoWidget(0),
- m_fullscreen(false),
- m_aspectRatioMode(Qt::KeepAspectRatio),
- m_brightness(0),
- m_contrast(0),
- m_hue(0),
- m_saturation(0)
-{
-// qDebug() << "QT7MovieVideoWidget";
-
- QGLFormat format = QGLFormat::defaultFormat();
- format.setSwapInterval(1); // Vertical sync (avoid tearing)
- m_videoWidget = new GLVideoWidget(0, format);
-
- m_displayLink = new QCvDisplayLink(this);
-
- connect(m_displayLink, SIGNAL(tick(CVTimeStamp)), SLOT(updateVideoFrame(CVTimeStamp)));
-
- if (!createVisualContext()) {
- qWarning() << "QT7MovieVideoWidget: failed to create visual context";
- }
-}
-
-bool QT7MovieVideoWidget::createVisualContext()
-{
-#ifdef QUICKTIME_C_API_AVAILABLE
- m_videoWidget->makeCurrent();
-
- AutoReleasePool pool;
- CGLContextObj cglContext = CGLGetCurrentContext();
- NSOpenGLPixelFormat *nsglPixelFormat = [NSOpenGLView defaultPixelFormat];
- CGLPixelFormatObj cglPixelFormat = static_cast<CGLPixelFormatObj>([nsglPixelFormat CGLPixelFormatObj]);
-
- CFTypeRef keys[] = { kQTVisualContextOutputColorSpaceKey };
- CGColorSpaceRef colorSpace = NULL;
- CMProfileRef sysprof = NULL;
-
- // Get the Systems Profile for the main display
- if (CMGetSystemProfile(&sysprof) == noErr) {
- // Create a colorspace with the systems profile
- colorSpace = CGColorSpaceCreateWithPlatformColorSpace(sysprof);
- CMCloseProfile(sysprof);
- }
-
- if (!colorSpace)
- colorSpace = CGColorSpaceCreateDeviceRGB();
-
- CFDictionaryRef textureContextAttributes = CFDictionaryCreate(kCFAllocatorDefault,
- (const void **)keys,
- (const void **)&colorSpace, 1,
- &kCFTypeDictionaryKeyCallBacks,
- &kCFTypeDictionaryValueCallBacks);
-
- OSStatus err = QTOpenGLTextureContextCreate(kCFAllocatorDefault,
- cglContext,
- cglPixelFormat,
- textureContextAttributes,
- &m_visualContext);
- if (err != noErr)
- qWarning() << "Could not create visual context (OpenGL)";
-
-
- return (err == noErr);
-#endif // QUICKTIME_C_API_AVAILABLE
-
- return false;
-}
-
-QT7MovieVideoWidget::~QT7MovieVideoWidget()
-{
- m_displayLink->stop();
- [(QTMovie*)m_movie release];
- delete m_videoWidget;
-}
-
-QWidget *QT7MovieVideoWidget::videoWidget()
-{
- return m_videoWidget;
-}
-
-void QT7MovieVideoWidget::setupVideoOutput()
-{
- AutoReleasePool pool;
-
-// qDebug() << "QT7MovieVideoWidget::setupVideoOutput" << m_movie;
-
- if (m_movie == 0) {
- m_displayLink->stop();
- return;
- }
-
- NSSize size = [[(QTMovie*)m_movie attributeForKey:@"QTMovieNaturalSizeAttribute"] sizeValue];
- m_nativeSize = QSize(size.width, size.height);
- m_videoWidget->setNativeSize(m_nativeSize);
-
-#ifdef QUICKTIME_C_API_AVAILABLE
- // targets a Movie to render into a visual context
- SetMovieVisualContext([(QTMovie*)m_movie quickTimeMovie], m_visualContext);
-#endif
-
- m_displayLink->start();
-}
-
-void QT7MovieVideoWidget::setMovie(void *movie)
-{
- if (m_movie == movie)
- return;
-
- if (m_movie) {
-#ifdef QUICKTIME_C_API_AVAILABLE
- SetMovieVisualContext([(QTMovie*)m_movie quickTimeMovie], nil);
-#endif
- [(QTMovie*)m_movie release];
- }
-
- m_movie = movie;
- [(QTMovie*)m_movie retain];
-
- setupVideoOutput();
-}
-
-void QT7MovieVideoWidget::updateNaturalSize(const QSize &newSize)
-{
- if (m_nativeSize != newSize) {
- m_nativeSize = newSize;
- setupVideoOutput();
- }
-}
-
-bool QT7MovieVideoWidget::isFullScreen() const
-{
- return m_fullscreen;
-}
-
-void QT7MovieVideoWidget::setFullScreen(bool fullScreen)
-{
- m_fullscreen = fullScreen;
-}
-
-QSize QT7MovieVideoWidget::nativeSize() const
-{
- return m_nativeSize;
-}
-
-Qt::AspectRatioMode QT7MovieVideoWidget::aspectRatioMode() const
-{
- return m_aspectRatioMode;
-}
-
-void QT7MovieVideoWidget::setAspectRatioMode(Qt::AspectRatioMode mode)
-{
- m_aspectRatioMode = mode;
- m_videoWidget->setAspectRatioMode(mode);
-}
-
-int QT7MovieVideoWidget::brightness() const
-{
- return m_brightness;
-}
-
-void QT7MovieVideoWidget::setBrightness(int brightness)
-{
- m_brightness = brightness;
- updateColors();
-}
-
-int QT7MovieVideoWidget::contrast() const
-{
- return m_contrast;
-}
-
-void QT7MovieVideoWidget::setContrast(int contrast)
-{
- m_contrast = contrast;
- updateColors();
-}
-
-int QT7MovieVideoWidget::hue() const
-{
- return m_hue;
-}
-
-void QT7MovieVideoWidget::setHue(int hue)
-{
- m_hue = hue;
- updateColors();
-}
-
-int QT7MovieVideoWidget::saturation() const
-{
- return m_saturation;
-}
-
-void QT7MovieVideoWidget::setSaturation(int saturation)
-{
- m_saturation = saturation;
- updateColors();
-}
-
-void QT7MovieVideoWidget::updateColors()
-{
-#ifdef QUICKTIME_C_API_AVAILABLE
- if (m_movie) {
- QTMovie *movie = (QTMovie*)m_movie;
-
- Float32 value;
- value = m_brightness/100.0;
- SetMovieVisualBrightness([movie quickTimeMovie], value, 0);
- value = pow(2, m_contrast/50.0);
- SetMovieVisualContrast([movie quickTimeMovie], value, 0);
- value = m_hue/100.0;
- SetMovieVisualHue([movie quickTimeMovie], value, 0);
- value = 1.0+m_saturation/100.0;
- SetMovieVisualSaturation([movie quickTimeMovie], value, 0);
- }
-#endif
-}
-
-void QT7MovieVideoWidget::updateVideoFrame(const CVTimeStamp &ts)
-{
-#ifdef QUICKTIME_C_API_AVAILABLE
- AutoReleasePool pool;
- // check for new frame
- if (m_visualContext && QTVisualContextIsNewImageAvailable(m_visualContext, &ts)) {
- CVOpenGLTextureRef currentFrame = NULL;
-
- // get a "frame" (image buffer) from the Visual Context, indexed by the provided time
- OSStatus status = QTVisualContextCopyImageForTime(m_visualContext, NULL, &ts, &currentFrame);
-
- // the above call may produce a null frame so check for this first
- // if we have a frame, then draw it
- if (status == noErr && currentFrame) {
- //qDebug() << "render video frame";
- m_videoWidget->setCVTexture(currentFrame);
- CVOpenGLTextureRelease(currentFrame);
- }
- QTVisualContextTask(m_visualContext);
- }
-#else
- Q_UNUSED(ts);
-#endif
-}
-
-#include "moc_qt7movievideowidget.cpp"
-
-QT_END_NAMESPACE