avmedia101: added GStreamer backend for Unix

1 files changed, 671 insertions, 0 deletions

diff --git a/avmedia/source/gstreamer/gstwindow.cxx b/avmedia/source/gstreamer/gstwindow.cxx
new file mode 100644
index 000000000000..32552eb41b4c
--- /dev/null
+++ b/avmedia/source/gstreamer/gstwindow.cxx
@@ -0,0 +1,671 @@
+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2008 by Sun Microsystems, Inc.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * $RCSfile: window.cxx,v $
+ * $Revision: 1.5 $
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org 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 version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LG;;PLv3 License.
+ *
+ ************************************************************************/
+
+#include <tools/prex.h>
+#include <tools/postx.h>
+
+#include <com/sun/star/awt/SystemPointer.hdl>
+
+#include "gstwindow.hxx"
+#include "gstplayer.hxx"
+#include <vcl/syschild.hxx>
+#include <vcl/sysdata.hxx>
+
+using namespace ::com::sun::star;
+
+namespace avmedia
+{
+namespace gst
+{
+// ---------------------
+// - PlayerChildWindow -
+// ---------------------
+
+class PlayerChildWindow : public SystemChildWindow
+{
+public:
+
+                    PlayerChildWindow( Window* pParent );
+                    ~PlayerChildWindow();
+
+protected:
+
+    virtual void    MouseMove( const MouseEvent& rMEvt );
+    virtual void    MouseButtonDown( const MouseEvent& rMEvt );
+    virtual void    MouseButtonUp( const MouseEvent& rMEvt );
+    virtual void    KeyInput( const KeyEvent& rKEvt );
+    virtual void    KeyUp( const KeyEvent& rKEvt );
+    virtual void    Command( const CommandEvent& rCEvt );
+};
+
+// ---------------------------------------------------------------------
+
+PlayerChildWindow::PlayerChildWindow( Window* pParent ) :
+    SystemChildWindow( pParent, WB_CLIPCHILDREN )
+{
+}
+
+// ---------------------------------------------------------------------
+
+PlayerChildWindow::~PlayerChildWindow()
+{
+}
+
+// ---------------------------------------------------------------------
+
+void PlayerChildWindow::MouseMove( const MouseEvent& rMEvt )
+{
+    const MouseEvent aTransformedEvent( GetParent()->ScreenToOutputPixel( OutputToScreenPixel( rMEvt.GetPosPixel() ) ),
+                                        rMEvt.GetClicks(), rMEvt.GetMode(), rMEvt.GetButtons(), rMEvt.GetModifier() );
+
+    SystemChildWindow::MouseMove( rMEvt );
+    GetParent()->MouseMove( aTransformedEvent );
+}
+
+// ---------------------------------------------------------------------
+
+void PlayerChildWindow::MouseButtonDown( const MouseEvent& rMEvt )
+{
+    const MouseEvent aTransformedEvent( GetParent()->ScreenToOutputPixel( OutputToScreenPixel( rMEvt.GetPosPixel() ) ),
+                                        rMEvt.GetClicks(), rMEvt.GetMode(), rMEvt.GetButtons(), rMEvt.GetModifier() );
+
+    SystemChildWindow::MouseButtonDown( rMEvt );
+    GetParent()->MouseButtonDown( aTransformedEvent );
+}
+
+// ---------------------------------------------------------------------
+
+void PlayerChildWindow::MouseButtonUp( const MouseEvent& rMEvt )
+{
+    const MouseEvent aTransformedEvent( GetParent()->ScreenToOutputPixel( OutputToScreenPixel( rMEvt.GetPosPixel() ) ),
+                                        rMEvt.GetClicks(), rMEvt.GetMode(), rMEvt.GetButtons(), rMEvt.GetModifier() );
+
+    SystemChildWindow::MouseButtonUp( rMEvt );
+    GetParent()->MouseButtonUp( aTransformedEvent );
+}
+
+// ---------------------------------------------------------------------
+
+void PlayerChildWindow::KeyInput( const KeyEvent& rKEvt )
+{
+    SystemChildWindow::KeyInput( rKEvt );
+    GetParent()->KeyInput( rKEvt );
+}
+
+// ---------------------------------------------------------------------
+
+void PlayerChildWindow::KeyUp( const KeyEvent& rKEvt )
+{
+    SystemChildWindow::KeyUp( rKEvt );
+    GetParent()->KeyUp( rKEvt );
+}
+
+// ---------------------------------------------------------------------
+
+void PlayerChildWindow::Command( const CommandEvent& rCEvt )
+{
+    const CommandEvent aTransformedEvent( GetParent()->ScreenToOutputPixel( OutputToScreenPixel( rCEvt.GetMousePosPixel() ) ),
+                                          rCEvt.GetCommand(), rCEvt.IsMouseEvent(), rCEvt.GetData() );
+
+    SystemChildWindow::Command( rCEvt );
+    GetParent()->Command( aTransformedEvent );
+}
+
+// ---------------
+// - Window -
+// ---------------
+Window::Window( ::avmedia::gst::Player& rPlayer ) :
+    maListeners( maMutex ),
+    maWindowRect( 0, 0, 0, 0 ),
+    mrPlayer( rPlayer ),
+    mpPlayerWindow( NULL ),
+    meZoomLevel( media::ZoomLevel_NOT_AVAILABLE ),
+    mnPointerType( awt::SystemPointer::ARROW )
+{}
+
+// ------------------------------------------------------------------------------
+
+Window::~Window()
+{
+    dispose();
+}
+
+// ------------------------------------------------------------------------------
+
+void Window::implLayoutVideoWindow()
+{
+    if( mpPlayerWindow && ( media::ZoomLevel_NOT_AVAILABLE != meZoomLevel ) )
+    {
+        awt::Size aPrefSize( mrPlayer.getPreferredPlayerWindowSize() );
+        awt::Rectangle aRect = getPosSize();
+        int nW = aRect.Width, nH = aRect.Height;
+        int nVideoW = nW, nVideoH = nH;
+        int nX = 0, nY = 0, nWidth = 0, nHeight = 0;
+        bool bDone = false, bZoom = false;
+
+        if( media::ZoomLevel_ORIGINAL == meZoomLevel )
+        {
+            bZoom = true;
+        }
+        else if( media::ZoomLevel_ZOOM_1_TO_4 == meZoomLevel )
+        {
+            aPrefSize.Width >>= 2;
+            aPrefSize.Height >>= 2;
+            bZoom = true;
+        }
+        else if( media::ZoomLevel_ZOOM_1_TO_2 == meZoomLevel )
+        {
+            aPrefSize.Width >>= 1;
+            aPrefSize.Height >>= 1;
+            bZoom = true;
+        }
+        else if( media::ZoomLevel_ZOOM_2_TO_1 == meZoomLevel )
+        {
+            aPrefSize.Width <<= 1;
+            aPrefSize.Height <<= 1;
+            bZoom = true;
+        }
+        else if( media::ZoomLevel_ZOOM_4_TO_1 == meZoomLevel )
+        {
+            aPrefSize.Width <<= 2;
+            aPrefSize.Height <<= 2;
+            bZoom = true;
+        }
+        else if( media::ZoomLevel_FIT_TO_WINDOW == meZoomLevel )
+        {
+            nWidth = nVideoW;
+            nHeight = nVideoH;
+            bDone = true;
+        }
+
+        if( bZoom )
+        {
+            if( ( aPrefSize.Width <= nVideoW ) && ( aPrefSize.Height <= nVideoH ) )
+            {
+                nX = ( nVideoW - aPrefSize.Width ) >> 1;
+                nY = ( nVideoH - aPrefSize.Height ) >> 1;
+                nWidth = aPrefSize.Width;
+                nHeight = aPrefSize.Height;
+                bDone = true;
+            }
+        }
+
+        if( !bDone )
+        {
+            if( ( aPrefSize.Width > 0 ) && ( aPrefSize.Height > 0 ) && ( nVideoW > 0 ) && ( nVideoH > 0 ) )
+            {
+                double fPrefWH = (double) aPrefSize.Width / aPrefSize.Height;
+
+                if( fPrefWH < ( (double) nVideoW / nVideoH ) )
+                {
+                    nVideoW = (int) ( nVideoH * fPrefWH );
+                }
+                else
+                {
+                    nVideoH = (int) ( nVideoW / fPrefWH );
+                }
+
+                nX = ( nW - nVideoW ) >> 1;
+                nY = ( nH - nVideoH ) >> 1;
+                nWidth = nVideoW;
+                nHeight = nVideoH;
+            }
+            else
+            {
+                nX = nY = nWidth = nHeight = 0;
+            }
+        }
+
+        mpPlayerWindow->SetPosSizePixel( Point( nX, nY ), Size( nWidth, nHeight ) );
+    }
+}
+
+// ------------------------------------------------------------------------------
+
+bool Window::create( const uno::Sequence< uno::Any >& rArguments )
+{
+    OSL_ASSERT( !mpPlayerWindow );
+    OSL_ENSURE( rArguments.getLength() > 2,
+"::avmedia::gst::Windiow::create: GStreamer backend needs \
+valid parent SystemChildWindow pointer (sal_IntPtr) as third Any \
+value in sequence of arguments" );
+
+    bool bRet = false;
+
+    if( !mpPlayerWindow && ( rArguments.getLength() > 2 ) )
+    {
+        SystemChildWindow* pParentWindow = NULL;
+        sal_IntPtr pIntPtr = NULL;
+
+        // we are not interested in the first argument, which is a pure X11 window handle;
+        // this backend relies on a SystemChildWindow as parent for the PlayerWindow, given
+        // as third Sal_IntPtr value within the argument Sequence
+        rArguments[ 1 ] >>= maWindowRect;
+
+        rArguments[ 2 ] >>= pIntPtr;
+        pParentWindow = reinterpret_cast< SystemChildWindow* >( pIntPtr );
+
+        if( pParentWindow )
+        {
+            meZoomLevel = media::ZoomLevel_ORIGINAL;
+
+            mpPlayerWindow = new PlayerChildWindow( pParentWindow );
+            mpPlayerWindow->SetBackground( Color( COL_BLACK ) );
+            mpPlayerWindow->SetPosSizePixel( Point( maWindowRect.X, maWindowRect.Y ),
+                                            Size( maWindowRect.Width, maWindowRect.Height ) );
+            mpPlayerWindow->Show();
+
+            bRet = true;
+        }
+    }
+
+    return( bRet );
+}
+
+// ------------------------------------------------------------------------------
+
+void SAL_CALL Window::update()
+     throw( uno::RuntimeException )
+{
+    if( mpPlayerWindow )
+    {
+        mpPlayerWindow->Invalidate( INVALIDATE_UPDATE );
+        mpPlayerWindow->Sync();
+    }
+}
+
+// ------------------------------------------------------------------------------
+
+sal_Bool SAL_CALL Window::setZoomLevel( media::ZoomLevel eZoomLevel )
+     throw(uno::RuntimeException)
+{
+    bool bRet = false;
+
+    if( ( media::ZoomLevel_NOT_AVAILABLE != meZoomLevel ) &&
+       ( media::ZoomLevel_NOT_AVAILABLE != eZoomLevel ) )
+    {
+        if( eZoomLevel != meZoomLevel )
+        {
+            meZoomLevel = eZoomLevel;
+            implLayoutVideoWindow();
+        }
+
+        bRet = true;
+    }
+
+    return( bRet );
+}
+
+// ------------------------------------------------------------------------------
+
+media::ZoomLevel SAL_CALL Window::getZoomLevel()
+     throw( uno::RuntimeException )
+{
+    return( meZoomLevel );
+}
+
+// ------------------------------------------------------------------------------
+
+void SAL_CALL Window::setPointerType( sal_Int32 nPointerType )
+     throw( uno::RuntimeException )
+{
+    if( mpPlayerWindow )
+    {
+        Pointer ePointer = POINTER_ARROW;
+
+        switch( nPointerType )
+        {
+            case (awt::SystemPointer::CROSS) :
+            {
+                ePointer = POINTER_CROSS;
+            }
+            break;
+
+            case (awt::SystemPointer::HAND) :
+            {
+                ePointer = POINTER_HAND;
+            }
+            break;
+
+            case (awt::SystemPointer::MOVE) :
+            {
+                ePointer = POINTER_MOVE;
+            }
+            break;
+
+            case (awt::SystemPointer::WAIT) :
+            {
+                ePointer = POINTER_WAIT;
+            }
+            break;
+
+            default:
+            break;
+        }
+
+        mpPlayerWindow->SetPointer( ePointer );
+    }
+}
+
+// ------------------------------------------------------------------------------
+
+void SAL_CALL Window::setPosSize( sal_Int32 nX,
+                                  sal_Int32 nY,
+                                  sal_Int32 nWidth,
+                                  sal_Int32 nHeight,
+                                  sal_Int16 /* Flags */ )
+     throw( uno::RuntimeException )
+{
+    maWindowRect.X = nX;
+    maWindowRect.Y = nY;
+    maWindowRect.Width = nWidth;
+    maWindowRect.Height = nHeight;
+
+    implLayoutVideoWindow();
+}
+
+// ------------------------------------------------------------------------------
+
+awt::Rectangle SAL_CALL Window::getPosSize()
+     throw( uno::RuntimeException )
+{
+    return( maWindowRect );
+}
+
+// ------------------------------------------------------------------------------
+
+void SAL_CALL Window::setVisible( sal_Bool bVisible )
+     throw( uno::RuntimeException )
+{
+    if( mpPlayerWindow )
+    {
+        bVisible ? mpPlayerWindow->Show() : mpPlayerWindow->Hide();
+    }
+}
+
+// ------------------------------------------------------------------------------
+
+void SAL_CALL Window::setEnable( sal_Bool bEnable )
+     throw( uno::RuntimeException )
+{
+    if( mpPlayerWindow )
+    {
+        mpPlayerWindow->Enable( bEnable );
+    }
+}
+
+// ------------------------------------------------------------------------------
+
+void SAL_CALL Window::setFocus()
+     throw( uno::RuntimeException )
+{
+    if( mpPlayerWindow )
+    {
+        mpPlayerWindow->GrabFocus();
+    }
+}
+
+// ------------------------------------------------------------------------------
+
+void SAL_CALL Window::addWindowListener( const uno::Reference< awt::XWindowListener >& xListener )
+     throw( uno::RuntimeException )
+{
+    maListeners.addInterface( getCppuType( &xListener ), xListener );
+}
+
+// ------------------------------------------------------------------------------
+
+void SAL_CALL Window::removeWindowListener( const uno::Reference< awt::XWindowListener >& xListener )
+     throw( uno::RuntimeException )
+{
+    maListeners.removeInterface( getCppuType( &xListener ), xListener );
+}
+
+// ------------------------------------------------------------------------------
+
+void SAL_CALL Window::addFocusListener( const uno::Reference< awt::XFocusListener >& xListener )
+     throw( uno::RuntimeException )
+{
+    maListeners.addInterface( getCppuType( &xListener ), xListener );
+}
+
+// ------------------------------------------------------------------------------
+
+void SAL_CALL Window::removeFocusListener( const uno::Reference< awt::XFocusListener >& xListener )
+     throw( uno::RuntimeException )
+{
+    maListeners.removeInterface( getCppuType( &xListener ), xListener );
+}
+
+// ------------------------------------------------------------------------------
+
+void SAL_CALL Window::addKeyListener( const uno::Reference< awt::XKeyListener >& xListener )
+     throw( uno::RuntimeException )
+{
+    maListeners.addInterface( getCppuType( &xListener ), xListener );
+}
+
+// ------------------------------------------------------------------------------
+
+void SAL_CALL Window::removeKeyListener( const uno::Reference< awt::XKeyListener >& xListener )
+     throw( uno::RuntimeException )
+{
+    maListeners.removeInterface( getCppuType( &xListener ), xListener );
+}
+
+// ------------------------------------------------------------------------------
+
+void SAL_CALL Window::addMouseListener( const uno::Reference< awt::XMouseListener >& xListener )
+     throw( uno::RuntimeException )
+{
+    maListeners.addInterface( getCppuType( &xListener ), xListener );
+}
+
+// ------------------------------------------------------------------------------
+
+void SAL_CALL Window::removeMouseListener( const uno::Reference< awt::XMouseListener >& xListener )
+     throw( uno::RuntimeException )
+{
+    maListeners.removeInterface( getCppuType( &xListener ), xListener );
+}
+
+// ------------------------------------------------------------------------------
+
+void SAL_CALL Window::addMouseMotionListener( const uno::Reference< awt::XMouseMotionListener >& xListener )
+     throw( uno::RuntimeException )
+{
+    maListeners.addInterface( getCppuType( &xListener ), xListener );
+}
+
+// ------------------------------------------------------------------------------
+
+void SAL_CALL Window::removeMouseMotionListener( const uno::Reference< awt::XMouseMotionListener >& xListener )
+     throw( uno::RuntimeException )
+{
+    maListeners.removeInterface( getCppuType( &xListener ), xListener );
+}
+
+// ------------------------------------------------------------------------------
+
+void SAL_CALL Window::addPaintListener( const uno::Reference< awt::XPaintListener >& xListener )
+     throw( uno::RuntimeException )
+{
+    maListeners.addInterface( getCppuType( &xListener ), xListener );
+}
+
+// ------------------------------------------------------------------------------
+
+void SAL_CALL Window::removePaintListener( const uno::Reference< awt::XPaintListener >& xListener )
+     throw( uno::RuntimeException )
+{
+    maListeners.removeInterface( getCppuType( &xListener ), xListener );
+}
+
+// ------------------------------------------------------------------------------
+
+void SAL_CALL Window::dispose()
+     throw( uno::RuntimeException )
+{
+    delete mpPlayerWindow;
+    mpPlayerWindow = NULL;
+}
+
+// ------------------------------------------------------------------------------
+
+void SAL_CALL Window::addEventListener( const uno::Reference< lang::XEventListener >& xListener )
+     throw( uno::RuntimeException )
+{
+    maListeners.addInterface( getCppuType( &xListener ), xListener );
+}
+
+// ------------------------------------------------------------------------------
+
+void SAL_CALL Window::removeEventListener( const uno::Reference< lang::XEventListener >&
+                                           xListener )
+     throw( uno::RuntimeException )
+{
+    maListeners.removeInterface( getCppuType( &xListener ), xListener );
+}
+
+// ------------------------------------------------------------------------------
+
+void Window::fireMousePressedEvent( const ::com::sun::star::awt::MouseEvent& rEvt )
+{
+    ::cppu::OInterfaceContainerHelper* pContainer =
+        maListeners.getContainer( getCppuType( ( uno::Reference< awt::XMouseListener >* ) 0 ) );
+
+    if( pContainer )
+    {
+        ::cppu::OInterfaceIteratorHelper aIter( *pContainer );
+
+        while( aIter.hasMoreElements() )
+        {
+            uno::Reference< awt::XMouseListener >( aIter.next(),
+                                                   uno::UNO_QUERY )->mousePressed( rEvt );
+        }
+    }
+}
+
+// -----------------------------------------------------------------------------
+
+void Window::fireMouseReleasedEvent( const ::com::sun::star::awt::MouseEvent& rEvt )
+{
+    ::cppu::OInterfaceContainerHelper* pContainer =
+        maListeners.getContainer( getCppuType( ( uno::Reference< awt::XMouseListener >* ) 0 ) );
+
+    if( pContainer )
+    {
+        ::cppu::OInterfaceIteratorHelper aIter( *pContainer );
+
+        while( aIter.hasMoreElements() )
+        {
+            uno::Reference< awt::XMouseListener >( aIter.next(),
+                                                   uno::UNO_QUERY )->mouseReleased( rEvt );
+        }
+    }
+}
+
+// -----------------------------------------------------------------------------
+
+void Window::fireMouseMovedEvent( const ::com::sun::star::awt::MouseEvent& rEvt )
+{
+    ::cppu::OInterfaceContainerHelper* pContainer =
+        maListeners.getContainer( getCppuType( ( uno::Reference< awt::XMouseMotionListener >* )
+                                              0 ) );
+
+    if( pContainer )
+    {
+        ::cppu::OInterfaceIteratorHelper aIter( *pContainer );
+
+        while( aIter.hasMoreElements() )
+        {
+            uno::Reference< awt::XMouseMotionListener >( aIter.next(),
+                                                         uno::UNO_QUERY )->mouseMoved( rEvt );
+        }
+    }
+}
+
+// -----------------------------------------------------------------------------
+
+void Window::fireSetFocusEvent( const ::com::sun::star::awt::FocusEvent& rEvt )
+{
+    ::cppu::OInterfaceContainerHelper* pContainer =
+        maListeners.getContainer( getCppuType( ( uno::Reference< awt::XFocusListener >* ) 0 ) );
+
+    if( pContainer )
+    {
+        ::cppu::OInterfaceIteratorHelper aIter( *pContainer );
+
+        while( aIter.hasMoreElements() )
+        {
+            uno::Reference< awt::XFocusListener >( aIter.next(),
+                                                   uno::UNO_QUERY )->focusGained( rEvt );
+        }
+    }
+}
+
+// ------------------------------------------------------------------------------
+
+long Window::getXWindowHandle() const
+{
+    return( mpPlayerWindow ? mpPlayerWindow->GetSystemData()->aWindow : 0 );
+}
+
+
+// ------------------------------------------------------------------------------
+
+::rtl::OUString SAL_CALL Window::getImplementationName()
+     throw( uno::RuntimeException )
+{
+    return( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM(
+                                AVMEDIA_GSTREAMER_WINDOW_IMPLEMENTATIONNAME ) ) );
+}
+
+// ------------------------------------------------------------------------------
+
+sal_Bool SAL_CALL Window::supportsService( const ::rtl::OUString& ServiceName )
+     throw( uno::RuntimeException )
+{
+    return( ServiceName.equalsAsciiL( RTL_CONSTASCII_STRINGPARAM(
+                                         AVMEDIA_GSTREAMER_WINDOW_SERVICENAME ) ) );
+}
+
+// ------------------------------------------------------------------------------
+
+uno::Sequence< ::rtl::OUString > SAL_CALL Window::getSupportedServiceNames()
+     throw( uno::RuntimeException )
+{
+    uno::Sequence< ::rtl::OUString > aRet( 1 );
+    aRet[ 0 ] = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( AVMEDIA_GSTREAMER_WINDOW_SERVICENAME ) );
+
+    return( aRet );
+}
+} // namespace gst
+} // namespace avmedia