48 lines
1.1 KiB
C++
48 lines
1.1 KiB
C++
//////////////////////////////////////////////////////////////////////////
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//
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// ThumbnailGenerator: Creates thumbnail images from video files.
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//
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// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
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// ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO
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// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
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// PARTICULAR PURPOSE.
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//
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// Copyright (c) Microsoft Corporation. All rights reserved.
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//
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//////////////////////////////////////////////////////////////////////////
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#pragma once
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#include "sprite.h"
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class ThumbnailGenerator
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{
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private:
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IMFSourceReader *m_pReader;
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FormatInfo m_format;
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public:
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ThumbnailGenerator();
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~ThumbnailGenerator();
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HRESULT OpenFile(const WCHAR* wszFileName);
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HRESULT GetDuration(LONGLONG *phnsDuration);
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HRESULT CanSeek(BOOL *pbCanSeek);
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HRESULT CreateBitmaps(ID2D1RenderTarget *pRT, DWORD count, Sprite pSprites[]);
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private:
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HRESULT CreateBitmap(ID2D1RenderTarget *pRT, LONGLONG& hnsPos, Sprite *pSprite);
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HRESULT SelectVideoStream();
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HRESULT GetVideoFormat(FormatInfo *pFormat);
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};
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