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/*
* Copyright (C) 2007, 2008, 2009, 2010 Apple, Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef QTMovieVisualContext_h
#define QTMovieVisualContext_h
#ifdef QTMOVIEWIN_EXPORTS
#define QTMOVIEWIN_API __declspec(dllexport)
#else
#define QTMOVIEWIN_API __declspec(dllimport)
#endif
#include "QTMovie.h"
#include "QTMovieTask.h"
#include "QTPixelBuffer.h"
#include <WTF/OwnPtr.h>
#include <WTF/RefCounted.h>
typedef const struct __CFDictionary* CFDictionaryRef;
typedef struct OpaqueQTVisualContext* QTVisualContextRef;
// QTCVTimeStamp is a struct containing only a CVTimeStamp. This is to
// work around the inability of CVTimeStamp to be forward declared, in
// addition to it being declared in different header files when building
// the QTMovieWin and WebCore projects.
struct QTCVTimeStamp;
class QTMovieVisualContextClient {
public:
virtual void imageAvailableForTime(const QTCVTimeStamp*) = 0;
};
class QTMOVIEWIN_API QTMovieVisualContext : public RefCounted<QTMovieVisualContext> {
public:
static PassRefPtr<QTMovieVisualContext> create(QTMovieVisualContextClient*, QTPixelBuffer::Type);
~QTMovieVisualContext();
bool isImageAvailableForTime(const QTCVTimeStamp*) const;
QTPixelBuffer imageForTime(const QTCVTimeStamp*);
void task();
QTVisualContextRef visualContextRef();
void setMovie(PassRefPtr<QTMovie>);
QTMovie* movie() const;
static double currentHostTime();
protected:
QTMovieVisualContext(QTMovieVisualContextClient*, QTPixelBuffer::Type);
void setupVisualContext();
friend class QTMovieVisualContextPriv;
OwnPtr<QTMovieVisualContextPriv> m_private;
};
#endif
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