/****************************************************************************
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** contained in the Technology Preview License Agreement accompanying
** this package.
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** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** rights.  These rights are described in the Nokia Qt LGPL Exception
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** If you have questions regarding the use of this file, please contact
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****************************************************************************/

#ifndef DIRECTSHOWGLOBAL_H
#define DIRECTSHOWGLOBAL_H

#include <QtCore/qglobal.h>

#include <dshow.h>

template <typename T> T *com_cast(IUnknown *unknown, const IID &iid)
{
    T *iface = 0;
    return unknown && unknown->QueryInterface(iid, reinterpret_cast<void **>(&iface)) == S_OK
        ? iface
        : 0;
}

template <typename T> T *com_new(const IID &clsid, const IID &iid)
{
    T *object = 0;
    return CoCreateInstance(
            clsid,
            NULL,
            CLSCTX_INPROC_SERVER,
            iid,
            reinterpret_cast<void **>(&object)) == S_OK
        ? object
        : 0;
}

#ifndef __IFilterGraph2_INTERFACE_DEFINED__
#define __IFilterGraph2_INTERFACE_DEFINED__
#define INTERFACE IFilterGraph2
DECLARE_INTERFACE_(IFilterGraph2 ,IGraphBuilder)
{
    STDMETHOD(AddSourceFilterForMoniker)(THIS_ IMoniker *, IBindCtx *, LPCWSTR,IBaseFilter **) PURE;
    STDMETHOD(ReconnectEx)(THIS_ IPin *, const AM_MEDIA_TYPE *) PURE;
    STDMETHOD(RenderEx)(IPin *, DWORD, DWORD *) PURE;
};
#undef INTERFACE  
#endif

#ifndef __IAMFilterMiscFlags_INTERFACE_DEFINED__
#define __IAMFilterMiscFlags_INTERFACE_DEFINED__
#define INTERFACE IAMFilterMiscFlags
DECLARE_INTERFACE_(IAMFilterMiscFlags ,IUnknown)
{
    STDMETHOD(QueryInterface)(THIS_ REFIID,PVOID*) PURE;
    STDMETHOD_(ULONG,AddRef)(THIS) PURE;
    STDMETHOD_(ULONG,Release)(THIS) PURE;
    STDMETHOD_(ULONG,GetMiscFlags)(THIS) PURE;
};
#undef INTERFACE  
#endif

#ifndef __IFileSourceFilter_INTERFACE_DEFINED__
#define __IFileSourceFilter_INTERFACE_DEFINED__
#define INTERFACE IFileSourceFilter
DECLARE_INTERFACE_(IFileSourceFilter ,IUnknown)
{
    STDMETHOD(QueryInterface)(THIS_ REFIID,PVOID*) PURE;
    STDMETHOD_(ULONG,AddRef)(THIS) PURE;
    STDMETHOD_(ULONG,Release)(THIS) PURE;
    STDMETHOD(Load)(THIS_ LPCOLESTR, const AM_MEDIA_TYPE *) PURE;
    STDMETHOD(GetCurFile)(THIS_ LPOLESTR *ppszFileName, AM_MEDIA_TYPE *) PURE;
};
#undef INTERFACE  
#endif

#ifndef __IAMOpenProgress_INTERFACE_DEFINED__
#define __IAMOpenProgress_INTERFACE_DEFINED__
#define INTERFACE IAMOpenProgress
DECLARE_INTERFACE_(IAMOpenProgress ,IUnknown)
{
    STDMETHOD(QueryInterface)(THIS_ REFIID,PVOID*) PURE;
    STDMETHOD_(ULONG,AddRef)(THIS) PURE;
    STDMETHOD_(ULONG,Release)(THIS) PURE;
    STDMETHOD(QueryProgress)(THIS_ LONGLONG *, LONGLONG *) PURE;
    STDMETHOD(AbortOperation)(THIS) PURE;
};
#undef INTERFACE  
#endif

#ifndef __IFilterChain_INTERFACE_DEFINED__
#define __IFilterChain_INTERFACE_DEFINED__
#define INTERFACE IFilterChain
DECLARE_INTERFACE_(IFilterChain ,IUnknown)
{
    STDMETHOD(QueryInterface)(THIS_ REFIID,PVOID*) PURE;
    STDMETHOD_(ULONG,AddRef)(THIS) PURE;
    STDMETHOD_(ULONG,Release)(THIS) PURE;
    STDMETHOD(StartChain)(IBaseFilter *, IBaseFilter *) PURE;
    STDMETHOD(PauseChain)(IBaseFilter *, IBaseFilter *) PURE;
    STDMETHOD(StopChain)(IBaseFilter *, IBaseFilter *) PURE;
    STDMETHOD(RemoveChain)(IBaseFilter *, IBaseFilter *) PURE;
};
#undef INTERFACE  
#endif

#endif
