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26 #ifndef QTDecompressionSession_h
27 #define QTDecompressionSession_h
29 #ifdef QTMOVIEWIN_EXPORTS
30 #define QTMOVIEWIN_API __declspec(dllexport)
32 #define QTMOVIEWIN_API __declspec(dllimport)
35 #include "QTPixelBuffer.h"
37 #include <WTF/PassOwnPtr.h>
39 class QTDecompressionSessionClient;
40 typedef struct OpaqueICMDecompressionSession* ICMDecompressionSessionRef;
42 class QTMOVIEWIN_API QTDecompressionSession {
44 static PassOwnPtr<QTDecompressionSession> create(unsigned long pixelFormat, size_t width, size_t height);
45 ~QTDecompressionSession();
47 bool canDecompress(QTPixelBuffer);
49 // The resulting QTPixelBuffer will be a CG compatable ARGB pixel buffer.
50 QTPixelBuffer decompress(QTPixelBuffer);
53 friend class QTDecompressionSessionClient;
54 QTDecompressionSession(unsigned long pixelFormat, size_t width, size_t height);
55 void initializeSession();
57 unsigned long m_pixelFormat;
60 QTPixelBuffer m_latestFrame;
61 ICMDecompressionSessionRef m_session;