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| 1 /* | |
| 2 * Copyright (C) 2007, 2008, 2009, 2010 Apple, Inc. All rights reserved. | |
| 3 * | |
| 4 * Redistribution and use in source and binary forms, with or without | |
| 5 * modification, are permitted provided that the following conditions | |
| 6 * are met: | |
| 7 * 1. Redistributions of source code must retain the above copyright | |
| 8 * notice, this list of conditions and the following disclaimer. | |
| 9 * 2. Redistributions in binary form must reproduce the above copyright | |
| 10 * notice, this list of conditions and the following disclaimer in the | |
| 11 * documentation and/or other materials provided with the distribution. | |
| 12 * | |
| 13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY | |
| 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
| 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR | |
| 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
| 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
| 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
| 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | |
| 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 24 */ | |
| 25 | |
| 26 #ifndef QTMovieVisualContext_h | |
| 27 #define QTMovieVisualContext_h | |
| 28 | |
| 29 #ifdef QTMOVIEWIN_EXPORTS | |
| 30 #define QTMOVIEWIN_API __declspec(dllexport) | |
| 31 #else | |
| 32 #define QTMOVIEWIN_API __declspec(dllimport) | |
| 33 #endif | |
| 34 | |
| 35 #include "QTMovie.h" | |
| 36 #include "QTMovieTask.h" | |
| 37 #include "QTPixelBuffer.h" | |
| 38 #include <wtf/OwnPtr.h> | |
| 39 #include <wtf/RefCounted.h> | |
| 40 | |
| 41 typedef const struct __CFDictionary* CFDictionaryRef; | |
| 42 typedef struct OpaqueQTVisualContext* QTVisualContextRef; | |
| 43 | |
| 44 // QTCVTimeStamp is a struct containing only a CVTimeStamp. This is to | |
| 45 // work around the inability of CVTimeStamp to be forward declared, in | |
| 46 // addition to it being declared in different header files when building | |
| 47 // the QTMovieWin and WebCore projects. | |
| 48 struct QTCVTimeStamp; | |
| 49 | |
| 50 class QTMovieVisualContextClient { | |
| 51 public: | |
| 52 virtual void imageAvailableForTime(const QTCVTimeStamp*) = 0; | |
| 53 }; | |
| 54 | |
| 55 class QTMOVIEWIN_API QTMovieVisualContext : public RefCounted<QTMovieVisualConte
xt> { | |
| 56 public: | |
| 57 static PassRefPtr<QTMovieVisualContext> create(QTMovieVisualContextClient*,
QTPixelBuffer::Type); | |
| 58 ~QTMovieVisualContext(); | |
| 59 | |
| 60 bool isImageAvailableForTime(const QTCVTimeStamp*) const; | |
| 61 QTPixelBuffer imageForTime(const QTCVTimeStamp*); | |
| 62 void task(); | |
| 63 | |
| 64 QTVisualContextRef visualContextRef(); | |
| 65 | |
| 66 void setMovie(PassRefPtr<QTMovie>); | |
| 67 QTMovie* movie() const; | |
| 68 | |
| 69 static double currentHostTime(); | |
| 70 | |
| 71 protected: | |
| 72 QTMovieVisualContext(QTMovieVisualContextClient*, QTPixelBuffer::Type); | |
| 73 void setupVisualContext(); | |
| 74 | |
| 75 friend class QTMovieVisualContextPriv; | |
| 76 OwnPtr<QTMovieVisualContextPriv> m_private; | |
| 77 }; | |
| 78 | |
| 79 #endif | |
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