/*
 * (C) 2003-2006 Gabest
 * (C) 2006-2023 see Authors.txt
 *
 * This file is part of MPC-BE.
 *
 * MPC-BE 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-BE 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

#define StreamDriveThruName L"MPC StreamDriveThru"

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

public:
	CStreamDriveThruInputPin(LPCWSTR 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(LPCWSTR 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);
};
