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 00032 #pragma once 00033 00034 //Local Includes 00035 #include "directshowabstractsdllstuff.h" 00036 #include "BasicSeekPassThrough.h" 00037 00038 //STL Includes 00039 #include <vector> 00040 using namespace std; 00041 00042 //Forward Declarations 00043 class AbstractTransformFilter; 00044 00045 class AbstractTransformOutputPin 00046 //Base Classes 00047 : public CBaseOutputPin 00048 //http://msdn.microsoft.com/library/default.asp?url=/library/en-us/directshow/htm/cbaseoutputpinclass.asp 00049 , public BasicSeekPassThrough 00050 { 00051 public: 00052 //COM Initialisation 00053 DECLARE_IUNKNOWN 00054 STDMETHODIMP NonDelegatingQueryInterface(REFIID riid, void **ppv); 00055 00056 //Constructors 00057 AbstractTransformOutputPin(AbstractTransformFilter* inParentFilter, CCritSec* inFilterLock, CHAR* inObjectName, LPCWSTR inPinDisplayName, int inBuffSize, int inNumBuffs, vector<CMediaType*> inAcceptableMediaTypes); 00058 virtual ~AbstractTransformOutputPin(void); 00059 00060 //Buffer control method 00061 virtual HRESULT DecideBufferSize(IMemAllocator* inAllocator, ALLOCATOR_PROPERTIES *inReqAllocProps); 00062 00063 //Media Type control methods. 00064 virtual HRESULT CheckMediaType(const CMediaType *inMediaType); 00065 virtual HRESULT GetMediaType(int inPosition, CMediaType *outMediaType); 00066 00067 //Pure virtuals for codec specific format data 00068 virtual HRESULT CreateAndFillFormatBuffer(CMediaType* outMediaType, int inPosition) = 0; 00069 00070 //Virtuals for data queue delegation 00071 virtual HRESULT BreakConnect(void); 00072 virtual HRESULT CompleteConnect (IPin *inReceivePin); 00073 virtual HRESULT DeliverNewSegment(REFERENCE_TIME inStartTime, REFERENCE_TIME inStopTime, double inRate); 00074 virtual HRESULT DeliverEndOfStream(void); 00075 virtual HRESULT DeliverEndFlush(void); 00076 virtual HRESULT DeliverBeginFlush(void); 00077 00078 protected: 00079 //Helper methods 00080 void FillMediaType(CMediaType* outMediaType, int inPosition); 00081 00082 //Pin member data 00083 AbstractTransformFilter* mParentFilter; 00084 COutputQueue* mDataQueue; 00085 vector<CMediaType*> mAcceptableMediaTypes; 00086 00087 HRESULT mHR; //Is this even used ?? 00088 00089 //Buffer parameter member data 00090 int mDesiredBufferSize; 00091 int mDesiredBufferCount; 00092 int mActualBufferSize; 00093 int mActualBufferCount; 00094 00095 00096 }; 00097 00098
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