AbstractVideoEncodeFilter.cpp

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00001 //===========================================================================
00002 //Copyright (C) 2003, 2004 Zentaro Kavanagh
00003 //
00004 //Redistribution and use in source and binary forms, with or without
00005 //modification, are permitted provided that the following conditions
00006 //are met:
00007 //
00008 //- Redistributions of source code must retain the above copyright
00009 //  notice, this list of conditions and the following disclaimer.
00010 //
00011 //- Redistributions in binary form must reproduce the above copyright
00012 //  notice, this list of conditions and the following disclaimer in the
00013 //  documentation and/or other materials provided with the distribution.
00014 //
00015 //- Neither the name of Zentaro Kavanagh nor the names of contributors 
00016 //  may be used to endorse or promote products derived from this software 
00017 //  without specific prior written permission.
00018 //
00019 //THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
00020 //``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
00021 //LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
00022 //PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE ORGANISATION OR
00023 //CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
00024 //EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
00025 //PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
00026 //PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
00027 //LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
00028 //NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
00029 //SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00030 //===========================================================================
00031 #include "stdafx.h"
00032 #include "abstractvideoencodefilter.h"
00033 
00034 AbstractVideoEncodeFilter::AbstractVideoEncodeFilter(TCHAR* inFilterName, REFCLSID inFilterGUID, unsigned short inVideoFormat )
00035         :       CBaseFilter(inFilterName, NULL,m_pLock, inFilterGUID),
00036                 mVideoFormat(inVideoFormat)
00037 {
00038         
00039         m_pLock = new CCritSec;
00040         
00041 }
00042 
00043 AbstractVideoEncodeFilter::~AbstractVideoEncodeFilter(void)
00044 {
00045         delete m_pLock;
00046         DestroyPins();
00047 }
00048 
00049 void AbstractVideoEncodeFilter::DestroyPins() {
00050         delete mOutputPin;
00051         delete mInputPin;
00052 }
00053 
00054 STDMETHODIMP AbstractVideoEncodeFilter::NonDelegatingQueryInterface(REFIID riid, void **ppv) 
00055 {
00056 
00057         return CBaseFilter::NonDelegatingQueryInterface(riid, ppv);
00058 }
00059 
00060 CBasePin* AbstractVideoEncodeFilter::GetPin(int inPinNo) {
00061         //FIX::: Errors here
00062         if (inPinNo < 0 ) {
00063                 return NULL;
00064         } else if (inPinNo == 0) {
00065                 return mInputPin;
00066         } else if (inPinNo == 1) {
00067                 return mOutputPin;
00068         }
00069 }
00070 
00071 STDMETHODIMP AbstractVideoEncodeFilter::Stop() {
00072         CAutoLock locLock(m_pLock);
00073         mInputPin->ResetFrameCount();
00074         return CBaseFilter::Stop();
00075 }
00076 
00077 
00078 int AbstractVideoEncodeFilter::GetPinCount(void) {
00079         const long NUM_PINS = 2;
00080         return NUM_PINS;
00081 }       
00082 

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