OggDemuxPacketSourceFilter.h

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//===========================================================================
//Copyright (C) 2003, 2004, 2005 Zentaro Kavanagh
//
//Redistribution and use in source and binary forms, with or without
//modification, are permitted provided that the following conditions
//are met:
//
//- Redistributions of source code must retain the above copyright
//  notice, this list of conditions and the following disclaimer.
//
//- Redistributions in binary form must reproduce the above copyright
//  notice, this list of conditions and the following disclaimer in the
//  documentation and/or other materials provided with the distribution.
//
//- Neither the name of Zentaro Kavanagh nor the names of contributors 
//  may be used to endorse or promote products derived from this software 
//  without specific prior written permission.
//
//THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
//``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
//LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
//PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE ORGANISATION OR
//CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
//EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
//PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
//PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
//LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
//NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
//SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//===========================================================================
#pragma once
#include "BasicSeekPassThrough.h"
#include "IFilterDataSource.h"
#include "IOggBaseTime.h"
//#include "OggStreamMapper.h"
#include <libOOOgg/OggDataBuffer.h>

#include <libOOOggSeek/AutoOggChainGranuleSeekTable.h>
#include "DataSourceFactory.h"

class OggStreamMapper;

class OggDemuxPacketSourceFilter
        :       public CBaseFilter
        ,       public CAMThread
        ,       public IFileSourceFilter
        ,       public IOggCallback
        ,       public IOggBaseTime
        ,       public BasicSeekPassThrough
        //,     public ISpecifyPropertyPages
        ,       public IAMFilterMiscFlags
        //,     public IAMMediaContent
{
public:
        OggDemuxPacketSourceFilter(void);
        virtual ~OggDemuxPacketSourceFilter(void);
        enum eThreadCommands {
                THREAD_EXIT = 0,
                THREAD_PAUSE = 1,
                THREAD_RUN = 2
        };
        //Com Stuff
        DECLARE_IUNKNOWN

        STDMETHODIMP NonDelegatingQueryInterface(REFIID riid, void **ppv);
        static CUnknown * WINAPI CreateInstance(LPUNKNOWN pUnk, HRESULT *pHr);

        //Streaming MEthods
        STDMETHODIMP Run(REFERENCE_TIME tStart);
        STDMETHODIMP Pause(void);
        STDMETHODIMP Stop(void);

        //IOggCallback Interface
        virtual bool acceptOggPage(OggPage* inOggPage);

        //PURE VIRTUALS From CBaseFilter
        virtual int GetPinCount();
        virtual CBasePin* GetPin(int inPinNo);

        //PURE VIRTUALS from CAMThread
        virtual DWORD ThreadProc(void);

        //IFileSource Interface
        virtual STDMETHODIMP GetCurFile(LPOLESTR* outFileName, AM_MEDIA_TYPE* outMediaType);
        virtual STDMETHODIMP Load(LPCOLESTR inFileName, const AM_MEDIA_TYPE* inMediaType);

        //IAMFilterMiscFlags Interface
        ULONG STDMETHODCALLTYPE GetMiscFlags(void);

        //IMediaSeeking
        virtual STDMETHODIMP GetDuration(LONGLONG* outDuration);
        virtual STDMETHODIMP GetCapabilities(DWORD* inCapabilities);
         
        virtual STDMETHODIMP CheckCapabilities(DWORD *pCapabilities);
        virtual STDMETHODIMP IsFormatSupported(const GUID *pFormat);
        virtual STDMETHODIMP QueryPreferredFormat(GUID *pFormat);
        virtual STDMETHODIMP SetTimeFormat(const GUID *pFormat);
        virtual STDMETHODIMP GetTimeFormat( GUID *pFormat);
        
        virtual STDMETHODIMP GetStopPosition(LONGLONG *pStop);
        virtual STDMETHODIMP GetCurrentPosition(LONGLONG *pCurrent);
        virtual STDMETHODIMP ConvertTimeFormat(LONGLONG *pTarget, const GUID *pTargetFormat, LONGLONG Source, const GUID *pSourceFormat);
        virtual STDMETHODIMP SetPositions(LONGLONG *pCurrent,DWORD dwCurrentFlags,LONGLONG *pStop,DWORD dwStopFlags);
        virtual STDMETHODIMP GetPositions(LONGLONG *pCurrent, LONGLONG *pStop);
        virtual STDMETHODIMP GetAvailable(LONGLONG *pEarliest, LONGLONG *pLatest);
        virtual STDMETHODIMP SetRate(double dRate);
        virtual STDMETHODIMP GetRate(double *dRate);
        virtual STDMETHODIMP GetPreroll(LONGLONG *pllPreroll);
        virtual STDMETHODIMP IsUsingTimeFormat(const GUID *pFormat);

        vector<OggPage*> getMatchingBufferedPages(unsigned long inSerialNo);
        void removeMatchingBufferedPages(unsigned long inSerialNo);

        CCritSec* streamLock()                  {               return mStreamLock;             }

        virtual void notifyPinConnected();

        //HHHH:::
        virtual bool notifyStreamBaseTime(__int64 inStreamBaseTime);

        //IOggBaseTime Interface
        virtual __int64 getGlobalBaseTime();
        //
protected:
        static const unsigned long SETUP_BUFFER_SIZE = 24;
        virtual HRESULT SetUpPins();

        void resetStream();
        HRESULT DataProcessLoop();

        void DeliverEOS();
        void DeliverBeginFlush();
        void DeliverEndFlush();
        void DeliverNewSegment(REFERENCE_TIME tStart, REFERENCE_TIME tStop, double dRate);

        CCritSec* mSourceFileLock;
        CCritSec* mDemuxLock;
        CCritSec* mStreamLock;

        wstring mFileName;

        bool mSeenAllBOSPages;
        bool mSeenPositiveGranulePos;
        OggPage* mPendingPage;
        vector<OggPage*> mBufferedPages;

        OggDataBuffer mOggBuffer;
        IFilterDataSource* mDataSource;
        OggStreamMapper* mStreamMapper;

        AutoOggChainGranuleSeekTable* mSeekTable;


        bool mJustReset;

        //HHHH:::
        __int64 mGlobalBaseTime;

        //double mPlaybackRate;
};

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