OggDemuxSourcePin.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 #pragma once
00032 #include "oggdllstuff.h"
00033 #include "StreamHeaders.h"
00034 #include <libOOOgg/OggPage.h>
00035 #include <libOOOgg/IOggCallback.h>
00036 #include "BasicSeekPassThrough.h"
00037 #include <fstream>
00038 #include "OggDemuxSourceFilter.h"
00039 using namespace std;
00040 
00041 class OggDemuxSourceFilter;
00042 
00043 class OGG_DEMUX_API OggDemuxSourcePin
00044         :       public CBaseOutputPin
00045         ,       public BasicSeekPassThrough
00046                 
00047 {
00048 public:
00049 
00050         DECLARE_IUNKNOWN
00051         STDMETHODIMP NonDelegatingQueryInterface(REFIID riid, void **ppv);
00052         OggDemuxSourcePin(              TCHAR* inObjectName, 
00053                                                         OggDemuxSourceFilter* inParentFilter,
00054                                                         CCritSec* inFilterLock,
00055                                                         StreamHeaders* inHeaderSource, 
00056                                                         CMediaType* inMediaType,
00057                                                         wstring inPinName,
00058                                                         bool inAllowSeek,
00059                                                         unsigned long inNumBuffers,
00060                                                         unsigned long inBufferSize);
00061         
00062 
00063 
00064         virtual ~OggDemuxSourcePin(void);
00065         static const unsigned long BUFFER_SIZE = 1024*512;                      //What should this be ????
00066         static const unsigned long NUM_BUFFERS = 125;
00067 
00068 
00069         virtual bool deliverOggPacket(StampedOggPacket* inOggPacket);
00070 
00071         //CSourceStream virtuals
00072         virtual HRESULT GetMediaType(int inPosition, CMediaType* outMediaType);
00073         virtual HRESULT CheckMediaType(const CMediaType* inMediaType);
00074         virtual HRESULT DecideBufferSize(IMemAllocator* inoutAllocator, ALLOCATOR_PROPERTIES* inoutInputRequest);
00075 
00076 
00077         //IOggCallback
00078         //virtual bool acceptOggPage(OggPage* inOggPage);
00079 
00080 
00081         //IPin
00082         virtual HRESULT CompleteConnect (IPin *inReceivePin);
00083         virtual HRESULT BreakConnect(void);
00084         virtual HRESULT DeliverNewSegment(REFERENCE_TIME tStart, REFERENCE_TIME tStop, double dRate);
00085         virtual HRESULT DeliverEndOfStream(void);
00086         virtual HRESULT DeliverEndFlush(void);
00087         virtual HRESULT DeliverBeginFlush(void);
00088 protected:
00089         OggDemuxSourceFilter* mParentFilter;
00090         StreamHeaders* mHeaders;
00091         CMediaType* mMediaType;
00092         StampedOggPacket* mPartialPacket;
00093         HRESULT mFilterHR;
00094         COutputQueue* mDataQueue;
00095         fstream debugLog;
00096         bool mFirstRun;
00097 
00098         unsigned long mBufferSize;
00099         unsigned long mNumBuffers;
00100 };

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