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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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