CMMLDecodeFilter.h

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00001 //===========================================================================
00002 //Copyright (C) 2003, 2004 Zentaro Kavanagh
00003 //
00004 //Copyright (C) 2003, 2004 Commonwealth Scientific and Industrial Research
00005 //   Organisation (CSIRO) Australia
00006 //
00007 //Redistribution and use in source and binary forms, with or without
00008 //modification, are permitted provided that the following conditions
00009 //are met:
00010 //
00011 //- Redistributions of source code must retain the above copyright
00012 //  notice, this list of conditions and the following disclaimer.
00013 //
00014 //- Redistributions in binary form must reproduce the above copyright
00015 //  notice, this list of conditions and the following disclaimer in the
00016 //  documentation and/or other materials provided with the distribution.
00017 //
00018 //- Neither the name of Zentaro Kavanagh nor the names of contributors 
00019 //  may be used to endorse or promote products derived from this software 
00020 //  without specific prior written permission.
00021 //
00022 //THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
00023 //``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
00024 //LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
00025 //PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE ORGANISATION OR
00026 //CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
00027 //EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
00028 //PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
00029 //PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
00030 //LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
00031 //NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
00032 //SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00033 //===========================================================================
00034 
00035 #pragma once
00036 #include "cmmldecoderdllstuff.h"
00037 #include <string>
00038 #include <fstream>
00039 #include <libilliCore/StringHelper.h>
00040 #include <libCMMLParse/libCMMLParse.h>
00041 #include <libCMMLParse/CMMLParser.h>
00042 #include <libCMMLTags/libCMMLTags.h>
00043 #include "ICMMLAppControl.h"
00044 using namespace std;
00045 class CMMLDecodeFilter
00046         :       public CTransformFilter
00047         ,       public ICMMLAppControl
00048 {
00049 public:
00050         CMMLDecodeFilter(void);
00051         virtual ~CMMLDecodeFilter(void);
00052         //COM Creator Function
00053         DECLARE_IUNKNOWN
00054         static CUnknown* WINAPI CreateInstance(LPUNKNOWN pUnk, HRESULT *pHr);
00055         STDMETHODIMP NonDelegatingQueryInterface(REFIID riid, void **ppv);
00056 
00057         //Implement the Tranform filter interface
00058         HRESULT CheckInputType(const CMediaType* inInputMediaType);
00059         HRESULT CheckTransform(const CMediaType* inInputMediaType, const CMediaType* inOutputMediaType);
00060         HRESULT DecideBufferSize(IMemAllocator* inAllocator, ALLOCATOR_PROPERTIES* inPropertyRequest);
00061         HRESULT GetMediaType(int inPosition, CMediaType* outMediaType);
00062         HRESULT Transform(IMediaSample* inSample, IMediaSample* outSample);
00063 
00064         //Implement ICMMLAppControl
00065         virtual STDMETHODIMP_(bool) setCallbacks(ICMMLCallbacks* inCallbacks);
00066         virtual STDMETHODIMP_(ICMMLCallbacks*) getCallbacks();
00067 protected:
00068         wstring toWStr(string inString);
00069         CMMLParser* mCMMLParser;
00070         bool mSeenHead;
00071         C_HeadTag* mHeadTag;
00072         ICMMLCallbacks* mCMMLCallbacks;
00073 
00074         //fstream debugLog;
00075         
00076 
00077 };

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