NativeFLACSourcePin.h

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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 
00032 #pragma once
00033 
00034 //Local Includes
00035 #include "dsfNativeFLACSource.h"
00036 
00037 //Library Includes
00038 #include "BasicSeekPassThrough.h"
00039 
00040 //Forward Declararions.
00041 class NativeFLACSourceFilter;
00042 class NativeFLACSourcePin
00043         //Base classes.
00044         :       public CBaseOutputPin
00045         ,       public BasicSeekPassThrough
00046 {
00047 public:
00048         //COM Stuff
00049         DECLARE_IUNKNOWN
00050         STDMETHODIMP NonDelegatingQueryInterface(REFIID riid, void **ppv);
00051 
00052         //Constructors.
00053         NativeFLACSourcePin(    NativeFLACSourceFilter* inParentFilter, CCritSec* inFilterLock);
00054         virtual ~NativeFLACSourcePin(void);
00055 
00056         //Constants
00057         static const unsigned long BUFFER_SIZE = 65536;                 //What should this be ????
00058         static const unsigned long NUM_BUFFERS = 10;
00059 
00060         //CBaseOutputPin virtuals
00061         virtual HRESULT GetMediaType(int inPosition, CMediaType* outMediaType);
00062         virtual HRESULT CheckMediaType(const CMediaType* inMediaType);
00063         virtual HRESULT DecideBufferSize(IMemAllocator* inoutAllocator, ALLOCATOR_PROPERTIES* inoutInputRequest);
00064 
00065         //IPin virtuals
00066         virtual HRESULT CompleteConnect (IPin *inReceivePin);
00067         virtual HRESULT BreakConnect(void);
00068         virtual HRESULT DeliverNewSegment(REFERENCE_TIME tStart, REFERENCE_TIME tStop, double dRate);
00069         virtual HRESULT DeliverEndOfStream(void);
00070         virtual HRESULT DeliverEndFlush(void);
00071         virtual HRESULT DeliverBeginFlush(void);
00072 
00073         //Helper method
00074         HRESULT deliverData(unsigned char* inBuff, unsigned long inBuffSize, __int64 inStart, __int64 inEnd);
00075 protected:
00076         HRESULT mFilterHR;
00077         
00078         //Member variables.
00079         COutputQueue* mDataQueue;
00080         NativeFLACSourceFilter* mParentFilter;
00081 };

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