93 lines
3.1 KiB
C
93 lines
3.1 KiB
C
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/*
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* Copyright (C) 2003-2006 Gabest
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* http://www.gabest.org
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*
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* This Program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This Program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNU Make; see the file COPYING. If not, write to
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* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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* http://www.gnu.org/copyleft/gpl.html
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*
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*/
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#pragma once
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class CBaseVideoFilter : public CTransformFilter
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{
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private:
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HRESULT Receive(IMediaSample* pIn);
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HRESULT ReconnectOutput(int w, int h);
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// these are private for a reason, don't bother them
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DWORD m_win, m_hin, m_arxin, m_aryin;
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DWORD m_wout, m_hout, m_arxout, m_aryout;
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long m_cBuffers;
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protected:
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CCritSec m_csReceive;
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int m_w, m_h, m_arx, m_ary;
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HRESULT GetDeliveryBuffer(int w, int h, IMediaSample** ppOut);
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HRESULT CopyBuffer(BYTE* pOut, BYTE* pIn, int w, int h, int pitchIn, const GUID& subtype, bool fInterlaced = false);
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HRESULT CopyBuffer(BYTE* pOut, BYTE** ppIn, int w, int h, int pitchIn, const GUID& subtype, bool fInterlaced = false);
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virtual void GetOutputSize(int& w, int& h, int& arx, int& ary) {}
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virtual HRESULT Transform(IMediaSample* pIn) = 0;
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virtual HRESULT IsVideoInterlaced() {return false;}
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public:
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CBaseVideoFilter(TCHAR* pName, LPUNKNOWN lpunk, HRESULT* phr, REFCLSID clsid, long cBuffers = 1);
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virtual ~CBaseVideoFilter();
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int GetPinCount();
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CBasePin* GetPin(int n);
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HRESULT CheckInputType(const CMediaType* mtIn);
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HRESULT CheckOutputType(const CMediaType& mtOut);
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HRESULT CheckTransform(const CMediaType* mtIn, const CMediaType* mtOut);
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HRESULT DecideBufferSize(IMemAllocator* pAllocator, ALLOCATOR_PROPERTIES* pProperties);
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HRESULT GetMediaType(int iPosition, CMediaType* pMediaType);
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HRESULT SetMediaType(PIN_DIRECTION dir, const CMediaType* pmt);
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};
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class CBaseVideoInputAllocator : public CMemAllocator
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{
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CMediaType m_mt;
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public:
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CBaseVideoInputAllocator(HRESULT* phr);
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void SetMediaType(const CMediaType& mt);
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STDMETHODIMP GetBuffer(IMediaSample** ppBuffer, REFERENCE_TIME* pStartTime, REFERENCE_TIME* pEndTime, DWORD dwFlags);
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};
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class CBaseVideoInputPin : public CTransformInputPin
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{
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CBaseVideoInputAllocator* m_pAllocator;
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public:
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CBaseVideoInputPin(TCHAR* pObjectName, CBaseVideoFilter* pFilter, HRESULT* phr, LPCWSTR pName);
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~CBaseVideoInputPin();
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STDMETHODIMP GetAllocator(IMemAllocator** ppAllocator);
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STDMETHODIMP ReceiveConnection(IPin* pConnector, const AM_MEDIA_TYPE* pmt);
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};
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class CBaseVideoOutputPin : public CTransformOutputPin
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{
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public:
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CBaseVideoOutputPin(TCHAR* pObjectName, CBaseVideoFilter* pFilter, HRESULT* phr, LPCWSTR pName);
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HRESULT CheckMediaType(const CMediaType* mtOut);
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};
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