/*
 * (C) 2003-2006 Gabest
 * (C) 2006-2012 see Authors.txt
 *
 * This file is part of MPC-HC.
 *
 * MPC-HC 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 3 of the License, or
 * (at your option) any later version.
 *
 * MPC-HC 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

#pragma once

#include <atlbase.h>
#include "../../../DSUtil/DSUtil.h"

#define StreamDriveThruName L"MPC StreamDriveThru"

class CStreamDriveThruInputPin : public CBasePin
{
    CComQIPtr<IAsyncReader> m_pAsyncReader;

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

    HRESULT GetAsyncReader(IAsyncReader** ppAsyncReader);

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

    HRESULT CheckMediaType(const CMediaType* pmt);

    HRESULT CheckConnect(IPin* pPin);
    HRESULT BreakConnect();
    HRESULT CompleteConnect(IPin* pPin);

    STDMETHODIMP BeginFlush();
    STDMETHODIMP EndFlush();
};

class CStreamDriveThruOutputPin : public CBaseOutputPin
{
    CComQIPtr<IStream> m_pStream;

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

    HRESULT GetStream(IStream** ppStream);

    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);

    HRESULT CheckConnect(IPin* pPin);
    HRESULT BreakConnect();
    HRESULT CompleteConnect(IPin* pPin);

    STDMETHODIMP BeginFlush();
    STDMETHODIMP EndFlush();

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

class __declspec(uuid("534FE6FD-F1F0-4aec-9F45-FF397320CE33"))
    CStreamDriveThruFilter : public CBaseFilter, protected CAMThread, public IMediaSeeking
{
    CCritSec m_csLock;

    CStreamDriveThruInputPin* m_pInput;
    CStreamDriveThruOutputPin* m_pOutput;

protected:
    enum { CMD_EXIT, CMD_STOP, CMD_PAUSE, CMD_RUN };
    DWORD ThreadProc();

    LONGLONG m_position;

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

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

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

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

    // 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);
};