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-rw-r--r--src/plugins/wmf/mfglobal.h149
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diff --git a/src/plugins/wmf/mfglobal.h b/src/plugins/wmf/mfglobal.h
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-/****************************************************************************
-**
-** Copyright (C) 2015 The Qt Company Ltd.
-** Contact: http://www.qt.io/licensing/
-**
-** This file is part of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL21$
-** Commercial License Usage
-** Licensees holding valid commercial Qt licenses may use this file in
-** accordance with the commercial license agreement provided with the
-** Software or, alternatively, in accordance with the terms contained in
-** a written agreement between you and The Qt Company. For licensing terms
-** and conditions see http://www.qt.io/terms-conditions. For further
-** information use the contact form at http://www.qt.io/contact-us.
-**
-** GNU Lesser General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU Lesser
-** General Public License version 2.1 or version 3 as published by the Free
-** Software Foundation and appearing in the file LICENSE.LGPLv21 and
-** LICENSE.LGPLv3 included in the packaging of this file. Please review the
-** following information to ensure the GNU Lesser General Public License
-** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
-** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
-**
-** As a special exception, The Qt Company gives you certain additional
-** rights. These rights are described in The Qt Company LGPL Exception
-** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#ifndef MFGLOBAL_H
-#define MFGLOBAL_H
-
-#include <mfapi.h>
-#include <mfidl.h>
-#include <Mferror.h>
-
-
-template<class T>
-class AsyncCallback : public IMFAsyncCallback
-{
-public:
- typedef HRESULT (T::*InvokeFn)(IMFAsyncResult *asyncResult);
-
- AsyncCallback(T *parent, InvokeFn fn) : m_parent(parent), m_invokeFn(fn)
- {
- }
-
- // IUnknown
- STDMETHODIMP QueryInterface(REFIID iid, void** ppv)
- {
- if (!ppv)
- return E_POINTER;
-
- if (iid == __uuidof(IUnknown)) {
- *ppv = static_cast<IUnknown*>(static_cast<IMFAsyncCallback*>(this));
- } else if (iid == __uuidof(IMFAsyncCallback)) {
- *ppv = static_cast<IMFAsyncCallback*>(this);
- } else {
- *ppv = NULL;
- return E_NOINTERFACE;
- }
- AddRef();
- return S_OK;
- }
-
- STDMETHODIMP_(ULONG) AddRef() {
- // Delegate to parent class.
- return m_parent->AddRef();
- }
- STDMETHODIMP_(ULONG) Release() {
- // Delegate to parent class.
- return m_parent->Release();
- }
-
-
- // IMFAsyncCallback methods
- STDMETHODIMP GetParameters(DWORD*, DWORD*)
- {
- // Implementation of this method is optional.
- return E_NOTIMPL;
- }
-
- STDMETHODIMP Invoke(IMFAsyncResult* asyncResult)
- {
- return (m_parent->*m_invokeFn)(asyncResult);
- }
-
- T *m_parent;
- InvokeFn m_invokeFn;
-};
-
-template <class T> void qt_wmf_safeRelease(T **ppT)
-{
- if (*ppT) {
- (*ppT)->Release();
- *ppT = NULL;
- }
-}
-
-template <class T>
-void qt_wmf_copyComPointer(T* &dest, T *src)
-{
- if (dest)
- dest->Release();
- dest = src;
- if (dest)
- dest->AddRef();
-}
-
-HRESULT qt_wmf_getFourCC(IMFMediaType *type, DWORD *fourCC);
-MFRatio qt_wmf_getPixelAspectRatio(IMFMediaType *type);
-bool qt_wmf_areMediaTypesEqual(IMFMediaType *type1, IMFMediaType *type2);
-HRESULT qt_wmf_validateVideoArea(const MFVideoArea& area, UINT32 width, UINT32 height);
-bool qt_wmf_isSampleTimePassed(IMFClock *clock, IMFSample *sample);
-
-inline float qt_wmf_MFOffsetToFloat(const MFOffset& offset)
-{
- return offset.value + (float(offset.fract) / 65536);
-}
-
-inline MFOffset qt_wmf_makeMFOffset(float v)
-{
- MFOffset offset;
- offset.value = short(v);
- offset.fract = WORD(65536 * (v-offset.value));
- return offset;
-}
-
-inline MFVideoArea qt_wmf_makeMFArea(float x, float y, DWORD width, DWORD height)
-{
- MFVideoArea area;
- area.OffsetX = qt_wmf_makeMFOffset(x);
- area.OffsetY = qt_wmf_makeMFOffset(y);
- area.Area.cx = width;
- area.Area.cy = height;
- return area;
-}
-
-inline HRESULT qt_wmf_getFrameRate(IMFMediaType *pType, MFRatio *pRatio)
-{
- return MFGetAttributeRatio(pType, MF_MT_FRAME_RATE, (UINT32*)&pRatio->Numerator, (UINT32*)&pRatio->Denominator);
-}
-
-
-#endif // MFGLOBAL_H