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/**************************************************************
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the 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];
// 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
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