MatroskaSplitter.h

/* 
 *      Copyright (C) 2003-2005 Gabest
 *      http://www.gabest.org
 *
 *  This Program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2, or (at your option)
 *  any later version.
 *   
 *  This Program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 *  GNU General Public License for more details.
 *   
 *  You should have received a copy of the GNU General Public License
 *  along with GNU Make; see the file COPYING.  If not, write to
 *  the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. 
 *  http://www.gnu.org/copyleft/gpl.html
 *
 */

#pragma once

#include <atlbase.h>
#include <atlcoll.h>
#include <afxtempl.h>
#include "MatroskaFile.h"
#include "..\BaseSplitter\BaseSplitter.h"
#include "..\..\..\..\include\ITrackInfo.h"

class MatroskaPacket : public Packet
{
protected:
        int GetSize()
        {
                int size = 0;
                POSITION pos = bg->Block.BlockData.GetHeadPosition();
                while(pos) {size += bg->Block.BlockData.GetNext(pos)->GetSize();}
                return size;
        }
public:
        CAutoPtr<MatroskaReader::BlockGroup> bg;
};

class CMatroskaSplitterOutputPin : public CBaseSplitterOutputPin
{
        HRESULT DeliverBlock(MatroskaPacket* p);

        int m_nMinCache;
        REFERENCE_TIME m_rtDefaultDuration;

        CCritSec m_csQueue;
        CAutoPtrList<MatroskaPacket> m_packets;
        CList<MatroskaPacket*> m_rob;

        typedef struct {REFERENCE_TIME rtStart, rtStop;} timeoverride;
        CList<timeoverride> m_tos;

protected:
        HRESULT DeliverPacket(CAutoPtr<Packet> p);

public:
        CMatroskaSplitterOutputPin(
                int nMinCache, REFERENCE_TIME rtDefaultDuration, 
                CArray<CMediaType>& mts, LPCWSTR pName, CBaseFilter* pFilter, CCritSec* pLock, HRESULT* phr);
        virtual ~CMatroskaSplitterOutputPin();

        HRESULT DeliverEndFlush();
        HRESULT DeliverEndOfStream();
};

[uuid("149D2E01-C32E-4939-80F6-C07B81015A7A")]
class CMatroskaSplitterFilter : public CBaseSplitterFilter, public ITrackInfo
{
        void SendVorbisHeaderSample();
        void InstallFonts();

        CAutoPtr<MatroskaReader::CMatroskaNode> m_pSegment, m_pCluster, m_pBlock;

protected:
        CAutoPtr<MatroskaReader::CMatroskaFile> m_pFile;
        HRESULT CreateOutputs(IAsyncReader* pAsyncReader);

        CMap<DWORD, DWORD, MatroskaReader::TrackEntry*, MatroskaReader::TrackEntry*> m_pTrackEntryMap;
        CArray<MatroskaReader::TrackEntry* > m_pOrderedTrackArray;
        MatroskaReader::TrackEntry* GetTrackEntryAt(UINT aTrackIdx);    

        bool DemuxInit();
        void DemuxSeek(REFERENCE_TIME rt);
        bool DemuxLoop();

public:
        CMatroskaSplitterFilter(LPUNKNOWN pUnk, HRESULT* phr);
        virtual ~CMatroskaSplitterFilter();

        DECLARE_IUNKNOWN;
    STDMETHODIMP NonDelegatingQueryInterface(REFIID riid, void** ppv);

        // IMediaSeeking

        STDMETHODIMP GetDuration(LONGLONG* pDuration);

        // IKeyFrameInfo

        STDMETHODIMP GetKeyFrameCount(UINT& nKFs);
        STDMETHODIMP GetKeyFrames(const GUID* pFormat, REFERENCE_TIME* pKFs, UINT& nKFs);

        // ITrackInfo

        STDMETHODIMP_(UINT) GetTrackCount();
        STDMETHODIMP_(BOOL) GetTrackInfo(UINT aTrackIdx, struct TrackElement* pStructureToFill);        
        STDMETHODIMP_(BOOL) GetTrackExtendedInfo(UINT aTrackIdx, void* pStructureToFill);
        STDMETHODIMP_(BSTR) GetTrackName(UINT aTrackIdx);
        STDMETHODIMP_(BSTR) GetTrackCodecID(UINT aTrackIdx);
        STDMETHODIMP_(BSTR) GetTrackCodecName(UINT aTrackIdx);
        STDMETHODIMP_(BSTR) GetTrackCodecInfoURL(UINT aTrackIdx);
        STDMETHODIMP_(BSTR) GetTrackCodecDownloadURL(UINT aTrackIdx);
};

[uuid("0A68C3B5-9164-4a54-AFAF-995B2FF0E0D4")]
class CMatroskaSourceFilter : public CMatroskaSplitterFilter
{
public:
        CMatroskaSourceFilter(LPUNKNOWN pUnk, HRESULT* phr);
};

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