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// Copyright (c) Microsoft Corporation
//
// Author: Alper Selcuk
//
// Description:
//
// Declaration of the AudioMediaType
// The original code is copied from MF tree.
//
// Note that this implementation is only useful for some unit tests that need
// to pass bogus media types.
//
#pragma once
#include <AudioMediaType.h>
//-----------------------------------------------------------------------------
// Description:
//
// Implements a stripped down version of IAudioMediaType.
// Remarks:
//
// Most methods are not implemented, because they are not needed by the
// processor.
//
// NOTE: [alper] If this is passed to third party APO's then we may be forced
// to implement all the methods.
//
class CTestAudioMediaType : public IAudioMediaType
{
public:
//--------------------------------------------------------------------------
// Description:
//
// Used during creation
//
// Parameters:
//
// pFormat - [in] the format
// ppIAudioMediaType - [out] Pointer to the created IAudioMediaType.
//
// Return Values:
//
// S_OK On success
// error Otherwise
//
static HRESULT Create( const UNCOMPRESSEDAUDIOFORMAT* pFormat,
IAudioMediaType** ppIAudioMediaType);
// IUnknown methods
ULONG STDMETHODCALLTYPE AddRef();
ULONG STDMETHODCALLTYPE Release();
STDMETHOD( QueryInterface )( REFIID riid, LPVOID *ppvObject );
//--------------------------------------------------------------------------
// Description:
//
// Get Major Type
//
// Parameters:
//
// pguidMajorType - [out] pointer
//
// Return Values:
//
// E_NOTIMPL Not supported
//
virtual HRESULT STDMETHODCALLTYPE GetMajorType(GUID * /* pguidMajorType */)
{
return E_NOTIMPL;
}
//--------------------------------------------------------------------------
// Description:
//
// Checks to see if the format is compressed.
//
// Parameters:
//
// pfCompressed - [out] On S_OK, this is set TRUE.
//
// Return Values:
//
// S_OK On success
// E_POINTER Bad pointer
//
virtual HRESULT STDMETHODCALLTYPE IsCompressedFormat(
/* [out] */ BOOL* pfCompressed
)
{
if (NULL == pfCompressed)
{
return( E_POINTER );
}
*pfCompressed = TRUE;
return( S_OK );
}
//--------------------------------------------------------------------------
// Description:
//
// Checks to see if the media types are equal.
//
// Parameters:
//
// pAudioMediaType - [in] Media type.
// pdwFlags - [out] flags
//
// Return Values:
//
// S_OK On success
// error Otherwise
//
virtual HRESULT STDMETHODCALLTYPE IsEqual( IAudioMediaType *pAudioMediaType,DWORD *pdwFlags);
//--------------------------------------------------------------------------
// Description:
//
// Gets the Audio Format.
//
// Results:
//
// Returns a WAVEFORMATEX pointer.
//
virtual const WAVEFORMATEX *STDMETHODCALLTYPE GetAudioFormat( void);
//--------------------------------------------------------------------------
// Description:
//
// Gets the Uncompressed Audio Format.
//
// Parameters:
//
// pUncompressedAudioFormat - [out] gets the format.
//
// Return Values:
//
// S_OK On success
// error Otherwise
//
virtual HRESULT STDMETHODCALLTYPE GetUncompressedAudioFormat(
UNCOMPRESSEDAUDIOFORMAT* pUncompressedAudioFormat );
protected:
CTestAudioMediaType();
protected:
LONG m_cRef;
UNCOMPRESSEDAUDIOFORMAT m_Format;
WAVEFORMATEXTENSIBLE m_Wfx;
};
//-----------------------------------------------------------------------------
// Called on creation
inline CTestAudioMediaType::CTestAudioMediaType()
{
m_cRef = 0;
} // CTestAudioMediaType
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