MatroskaMuxer.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"

#define MAXCLUSTERTIME 1000
#define MAXBLOCKS 50

class CMatroskaMuxerInputPin : public CBaseInputPin
{
        CAutoPtr<MatroskaWriter::TrackEntry> m_pTE;
        CAutoPtrArray<MatroskaWriter::CBinary> m_pVorbisHdrs;

        bool m_fActive;
        CCritSec m_csReceive;

        REFERENCE_TIME m_rtLastStart, m_rtLastStop;

public:
        CMatroskaMuxerInputPin(LPCWSTR pName, CBaseFilter* pFilter, CCritSec* pLock, HRESULT* phr);
        virtual ~CMatroskaMuxerInputPin();

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

        MatroskaWriter::TrackEntry* GetTrackEntry() {return m_pTE;}

        REFERENCE_TIME m_rtDur;

        CCritSec m_csQueue;
        CAutoPtrList<MatroskaWriter::BlockGroup> m_blocks;
        bool m_fEndOfStreamReceived;

    HRESULT CheckMediaType(const CMediaType* pmt);
    HRESULT BreakConnect();
    HRESULT CompleteConnect(IPin* pPin);
        HRESULT Active(), Inactive();

    STDMETHODIMP NewSegment(REFERENCE_TIME tStart, REFERENCE_TIME tStop, double dRate);
        STDMETHODIMP BeginFlush();
        STDMETHODIMP EndFlush();

        STDMETHODIMP Receive(IMediaSample* pSample);
    STDMETHODIMP EndOfStream();
};

class CMatroskaMuxerOutputPin : public CBaseOutputPin
{
public:
        CMatroskaMuxerOutputPin(TCHAR* pName, CBaseFilter* pFilter, CCritSec* pLock, HRESULT* phr);
        virtual ~CMatroskaMuxerOutputPin();

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

    HRESULT DecideBufferSize(IMemAllocator* pAlloc, ALLOCATOR_PROPERTIES* pProperties);

    HRESULT CheckMediaType(const CMediaType* pmt);
    HRESULT GetMediaType(int iPosition, CMediaType* pmt);

        STDMETHODIMP Notify(IBaseFilter* pSender, Quality q);
};

[uuid("38E2D43D-915D-493C-B373-888DB16EE3DC")]
interface IMatroskaMuxer : public IUnknown
{
        STDMETHOD (CorrectTimeOffset) (bool fNegative, bool fPositive) = 0;
        // TODO: chapters
};

[uuid("1E1299A2-9D42-4F12-8791-D79E376F4143")]
class CMatroskaMuxerFilter
        : public CBaseFilter
        , public CCritSec
        , public CAMThread
        , public IAMFilterMiscFlags
        , public IMediaSeeking
        , public IMatroskaMuxer
{
protected:
        CAutoPtrList<CMatroskaMuxerInputPin> m_pInputs;
        CAutoPtr<CMatroskaMuxerOutputPin> m_pOutput;

        REFERENCE_TIME m_rtCurrent;

        bool m_fNegative, m_fPositive;

        enum {CMD_EXIT, CMD_RUN};
        DWORD ThreadProc();

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

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

        void AddInput();
        UINT GetTrackNumber(CBasePin* pPin);

        int GetPinCount();
        CBasePin* GetPin(int n);

        STDMETHODIMP Stop();
        STDMETHODIMP Pause();
        STDMETHODIMP Run(REFERENCE_TIME tStart);

        // IAMFilterMiscFlags

        STDMETHODIMP_(ULONG) GetMiscFlags();

        // IMediaSeeking

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

        // IMatroskaMuxer

        STDMETHODIMP CorrectTimeOffset(bool fNegative, bool fPositive);
};

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