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Diffstat (limited to 'avmedia/source/quicktime/framegrabber.cxx')
-rw-r--r-- | avmedia/source/quicktime/framegrabber.cxx | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/avmedia/source/quicktime/framegrabber.cxx b/avmedia/source/quicktime/framegrabber.cxx new file mode 100644 index 000000000000..186820beaec3 --- /dev/null +++ b/avmedia/source/quicktime/framegrabber.cxx @@ -0,0 +1,152 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * 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 LGPLv3 License. + * + ************************************************************************/ + +#include "framegrabber.hxx" +#include "player.hxx" + +#include <tools/stream.hxx> +#include <vcl/graph.hxx> +#include <vcl/cvtgrf.hxx> +#include <unotools/localfilehelper.hxx> + +#define AVMEDIA_QUICKTIME_FRAMEGRABBER_IMPLEMENTATIONNAME "com.sun.star.comp.avmedia.FrameGrabber_Quicktime" +#define AVMEDIA_QUICKTIME_FRAMEGRABBER_SERVICENAME "com.sun.star.media.FrameGrabber_Quicktime" + +using namespace ::com::sun::star; + +namespace avmedia { namespace quicktime { + +// ---------------- +// - FrameGrabber - +// ---------------- + +FrameGrabber::FrameGrabber( const uno::Reference< lang::XMultiServiceFactory >& rxMgr ) : + mxMgr( rxMgr ) +{ + OSErr result; + + NSAutoreleasePool* pool = [[NSAutoreleasePool alloc] init]; + // check the version of QuickTime installed + result = Gestalt(gestaltQuickTime,&mnVersion); + if ((result == noErr) && (mnVersion >= QT701)) + { + // we have version 7.01 or later, initialize + mpMovie = [QTMovie movie]; + [mpMovie retain]; + mbInitialized = true; + } + [pool release]; +} + +// ------------------------------------------------------------------------------ + +FrameGrabber::~FrameGrabber() +{ + if( mbInitialized ) + { + if( mpMovie ) + { + [mpMovie release]; + mpMovie = nil; + } + } +} + +// ------------------------------------------------------------------------------ + +bool FrameGrabber::create( const ::rtl::OUString& rURL ) +{ + bool bRet = false; + maURL = rURL; + NSAutoreleasePool* pool = [[NSAutoreleasePool alloc] init]; + NSString* aNSStr = [[[NSString alloc] initWithCharacters: rURL.getStr() length: rURL.getLength()]stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding] ; + NSURL* aURL = [NSURL URLWithString:aNSStr ]; + + // create the Movie + + mpMovie = [mpMovie initWithURL:aURL error:nil]; + if(mpMovie) + { + [mpMovie retain]; + bRet = true; + } + + [pool release]; + + return( bRet ); +} + +// ------------------------------------------------------------------------------ + +uno::Reference< graphic::XGraphic > SAL_CALL FrameGrabber::grabFrame( double fMediaTime ) + throw (uno::RuntimeException) +{ + uno::Reference< graphic::XGraphic > xRet; + + NSImage* pImage = [mpMovie frameImageAtTime: QTMakeTimeWithTimeInterval(fMediaTime)]; + NSData *pBitmap = [pImage TIFFRepresentation]; + long nSize = [pBitmap length]; + const void* pBitmapData = [pBitmap bytes]; + SvMemoryStream aMemStm( (char *)pBitmapData, nSize, STREAM_READ | STREAM_WRITE ); + Graphic aGraphic; + if ( GraphicConverter::Import( aMemStm, aGraphic, CVT_TIF ) == ERRCODE_NONE ) + { + xRet = aGraphic.GetXGraphic(); + } + + return xRet; +} + +// ------------------------------------------------------------------------------ + +::rtl::OUString SAL_CALL FrameGrabber::getImplementationName( ) + throw (uno::RuntimeException) +{ + return ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( AVMEDIA_QUICKTIME_FRAMEGRABBER_IMPLEMENTATIONNAME ) ); +} + +// ------------------------------------------------------------------------------ + +sal_Bool SAL_CALL FrameGrabber::supportsService( const ::rtl::OUString& ServiceName ) + throw (uno::RuntimeException) +{ + return ServiceName.equalsAsciiL( RTL_CONSTASCII_STRINGPARAM ( AVMEDIA_QUICKTIME_FRAMEGRABBER_SERVICENAME ) ); +} + +// ------------------------------------------------------------------------------ + +uno::Sequence< ::rtl::OUString > SAL_CALL FrameGrabber::getSupportedServiceNames( ) + throw (uno::RuntimeException) +{ + uno::Sequence< ::rtl::OUString > aRet(1); + aRet[0] = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM ( AVMEDIA_QUICKTIME_FRAMEGRABBER_SERVICENAME ) ); + + return aRet; +} + +} // namespace quicktime +} // namespace avmedia |