1eb7664d6SHerbert Dürr /**************************************************************
2eb7664d6SHerbert Dürr *
3eb7664d6SHerbert Dürr * Licensed to the Apache Software Foundation (ASF) under one
4eb7664d6SHerbert Dürr * or more contributor license agreements. See the NOTICE file
5eb7664d6SHerbert Dürr * distributed with this work for additional information
6eb7664d6SHerbert Dürr * regarding copyright ownership. The ASF licenses this file
7eb7664d6SHerbert Dürr * to you under the Apache License, Version 2.0 (the
8eb7664d6SHerbert Dürr * "License"); you may not use this file except in compliance
9eb7664d6SHerbert Dürr * with the License. You may obtain a copy of the License at
10eb7664d6SHerbert Dürr *
11eb7664d6SHerbert Dürr * http://www.apache.org/licenses/LICENSE-2.0
12eb7664d6SHerbert Dürr *
13eb7664d6SHerbert Dürr * Unless required by applicable law or agreed to in writing,
14eb7664d6SHerbert Dürr * software distributed under the License is distributed on an
15eb7664d6SHerbert Dürr * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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18eb7664d6SHerbert Dürr * under the License.
19eb7664d6SHerbert Dürr *
20eb7664d6SHerbert Dürr *************************************************************/
21eb7664d6SHerbert Dürr
22e8649ecdSHerbert Dürr #include "macavf_framegrabber.hxx"
23e8649ecdSHerbert Dürr #include "macavf_player.hxx"
24eb7664d6SHerbert Dürr
25eb7664d6SHerbert Dürr #include <tools/stream.hxx>
26eb7664d6SHerbert Dürr #include <vcl/graph.hxx>
27eb7664d6SHerbert Dürr #include <vcl/cvtgrf.hxx>
28eb7664d6SHerbert Dürr #include <unotools/localfilehelper.hxx>
29eb7664d6SHerbert Dürr
30eb7664d6SHerbert Dürr using namespace ::com::sun::star;
31eb7664d6SHerbert Dürr
32eb7664d6SHerbert Dürr namespace avmedia { namespace macavf {
33eb7664d6SHerbert Dürr
34eb7664d6SHerbert Dürr // ----------------
35eb7664d6SHerbert Dürr // - FrameGrabber -
36eb7664d6SHerbert Dürr // ----------------
37eb7664d6SHerbert Dürr
FrameGrabber(const uno::Reference<lang::XMultiServiceFactory> &)38eb7664d6SHerbert Dürr FrameGrabber::FrameGrabber( const uno::Reference< lang::XMultiServiceFactory >& /*rxMgr*/ )
39eb7664d6SHerbert Dürr : mpImageGen( NULL )
40eb7664d6SHerbert Dürr {}
41eb7664d6SHerbert Dürr
42eb7664d6SHerbert Dürr // ------------------------------------------------------------------------------
43eb7664d6SHerbert Dürr
~FrameGrabber()44eb7664d6SHerbert Dürr FrameGrabber::~FrameGrabber()
45eb7664d6SHerbert Dürr {
46eb7664d6SHerbert Dürr if( mpImageGen )
47eb7664d6SHerbert Dürr CFRelease( mpImageGen );
48eb7664d6SHerbert Dürr }
49eb7664d6SHerbert Dürr
50eb7664d6SHerbert Dürr // ------------------------------------------------------------------------------
51eb7664d6SHerbert Dürr
create(const::rtl::OUString & rURL)52eb7664d6SHerbert Dürr bool FrameGrabber::create( const ::rtl::OUString& rURL )
53eb7664d6SHerbert Dürr {
54eb7664d6SHerbert Dürr NSString* pNSStr = [NSString stringWithCharacters:rURL.getStr() length:rURL.getLength()];
55eb7664d6SHerbert Dürr NSURL* pNSURL = [NSURL URLWithString: [pNSStr stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding]];
56eb7664d6SHerbert Dürr AVAsset* pMovie = [AVURLAsset URLAssetWithURL:pNSURL options:nil];
57eb7664d6SHerbert Dürr if( !pMovie )
58eb7664d6SHerbert Dürr {
59eb7664d6SHerbert Dürr OSL_TRACE( "AVGrabber::create() cannot load url=\"%s\"", [pNSStr UTF8String] );
60eb7664d6SHerbert Dürr return false;
61eb7664d6SHerbert Dürr }
62*32322404SHerbert Dürr
63*32322404SHerbert Dürr return create( pMovie );
64*32322404SHerbert Dürr }
65*32322404SHerbert Dürr
66*32322404SHerbert Dürr // ------------------------------------------------------------------------------
67*32322404SHerbert Dürr
create(AVAsset * pMovie)68*32322404SHerbert Dürr bool FrameGrabber::create( AVAsset* pMovie )
69*32322404SHerbert Dürr {
70eb7664d6SHerbert Dürr if( [[pMovie tracksWithMediaType:AVMediaTypeVideo] count] == 0)
71eb7664d6SHerbert Dürr {
72*32322404SHerbert Dürr OSL_TRACE( "AVGrabber::create() found no video content!" );
73eb7664d6SHerbert Dürr return false;
74eb7664d6SHerbert Dürr }
75eb7664d6SHerbert Dürr
76eb7664d6SHerbert Dürr mpImageGen = [AVAssetImageGenerator assetImageGeneratorWithAsset:pMovie];
77eb7664d6SHerbert Dürr CFRetain( mpImageGen );
78eb7664d6SHerbert Dürr return true;
79eb7664d6SHerbert Dürr }
80eb7664d6SHerbert Dürr
81eb7664d6SHerbert Dürr // ------------------------------------------------------------------------------
82eb7664d6SHerbert Dürr
grabFrame(double fMediaTime)83eb7664d6SHerbert Dürr uno::Reference< graphic::XGraphic > SAL_CALL FrameGrabber::grabFrame( double fMediaTime )
84eb7664d6SHerbert Dürr throw (uno::RuntimeException)
85eb7664d6SHerbert Dürr {
86eb7664d6SHerbert Dürr uno::Reference< graphic::XGraphic > xRet;
87eb7664d6SHerbert Dürr if( !mpImageGen )
88eb7664d6SHerbert Dürr return xRet;
89eb7664d6SHerbert Dürr OSL_TRACE( "AVPlayer::grabFrame( %.3fsec)", fMediaTime );
90eb7664d6SHerbert Dürr
91eb7664d6SHerbert Dürr // get the requested image from the movie
92eb7664d6SHerbert Dürr CGImage* pCGImage = [mpImageGen copyCGImageAtTime:CMTimeMakeWithSeconds(fMediaTime,1000) actualTime:NULL error:NULL];
93eb7664d6SHerbert Dürr
94eb7664d6SHerbert Dürr // convert the image to a TIFF-formatted byte-array
95eb7664d6SHerbert Dürr CFMutableDataRef pCFData = CFDataCreateMutable( kCFAllocatorDefault, 0 );
96eb7664d6SHerbert Dürr CGImageDestination* pCGImgDest = CGImageDestinationCreateWithData( pCFData, kUTTypeTIFF, 1, 0 );
97eb7664d6SHerbert Dürr CGImageDestinationAddImage( pCGImgDest, pCGImage, NULL );
98eb7664d6SHerbert Dürr CGImageDestinationFinalize( pCGImgDest );
99eb7664d6SHerbert Dürr CFRelease( pCGImgDest );
100eb7664d6SHerbert Dürr const long nBitmapLen = CFDataGetLength( pCFData );
101eb7664d6SHerbert Dürr void* pBitmapBytes = (void*)CFDataGetBytePtr( pCFData );
102eb7664d6SHerbert Dürr
103eb7664d6SHerbert Dürr // convert the image into the return-value type which is a graphic::XGraphic
104eb7664d6SHerbert Dürr SvMemoryStream aMemStm( pBitmapBytes, nBitmapLen, STREAM_READ | STREAM_WRITE );
105eb7664d6SHerbert Dürr Graphic aGraphic;
106eb7664d6SHerbert Dürr if( GraphicConverter::Import( aMemStm, aGraphic, CVT_TIF ) == ERRCODE_NONE )
107eb7664d6SHerbert Dürr xRet = aGraphic.GetXGraphic();
108eb7664d6SHerbert Dürr
109eb7664d6SHerbert Dürr // clean up resources
110eb7664d6SHerbert Dürr CFRelease( pCFData );
111eb7664d6SHerbert Dürr return xRet;
112eb7664d6SHerbert Dürr }
113eb7664d6SHerbert Dürr
114eb7664d6SHerbert Dürr // ------------------------------------------------------------------------------
115eb7664d6SHerbert Dürr
getImplementationName()116eb7664d6SHerbert Dürr ::rtl::OUString SAL_CALL FrameGrabber::getImplementationName( )
117eb7664d6SHerbert Dürr throw (uno::RuntimeException)
118eb7664d6SHerbert Dürr {
119eb7664d6SHerbert Dürr return ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( AVMEDIA_MACAVF_FRAMEGRABBER_IMPLEMENTATIONNAME ) );
120eb7664d6SHerbert Dürr }
121eb7664d6SHerbert Dürr
122eb7664d6SHerbert Dürr // ------------------------------------------------------------------------------
123eb7664d6SHerbert Dürr
supportsService(const::rtl::OUString & ServiceName)124eb7664d6SHerbert Dürr sal_Bool SAL_CALL FrameGrabber::supportsService( const ::rtl::OUString& ServiceName )
125eb7664d6SHerbert Dürr throw (uno::RuntimeException)
126eb7664d6SHerbert Dürr {
127eb7664d6SHerbert Dürr return ServiceName.equalsAsciiL( RTL_CONSTASCII_STRINGPARAM ( AVMEDIA_MACAVF_FRAMEGRABBER_SERVICENAME ) );
128eb7664d6SHerbert Dürr }
129eb7664d6SHerbert Dürr
130eb7664d6SHerbert Dürr // ------------------------------------------------------------------------------
131eb7664d6SHerbert Dürr
getSupportedServiceNames()132eb7664d6SHerbert Dürr uno::Sequence< ::rtl::OUString > SAL_CALL FrameGrabber::getSupportedServiceNames( )
133eb7664d6SHerbert Dürr throw (uno::RuntimeException)
134eb7664d6SHerbert Dürr {
135eb7664d6SHerbert Dürr uno::Sequence< ::rtl::OUString > aRet(1);
136eb7664d6SHerbert Dürr aRet[0] = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM ( AVMEDIA_MACAVF_FRAMEGRABBER_SERVICENAME ) );
137eb7664d6SHerbert Dürr
138eb7664d6SHerbert Dürr return aRet;
139eb7664d6SHerbert Dürr }
140eb7664d6SHerbert Dürr
141eb7664d6SHerbert Dürr } // namespace macavf
142eb7664d6SHerbert Dürr } // namespace avmedia
143eb7664d6SHerbert Dürr
144