/*
 * (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

#include "MatroskaFile.h"

#define MAXCLUSTERTIME 1000
#define MAXBLOCKS 50

#define MatroskaMuxerName L"MPC Matroska Muxer"

class CMatroskaMuxerInputPin : public CBaseInputPin
{
	std::unique_ptr<MatroskaWriter::TrackEntry> m_pTE;
	std::vector<std::unique_ptr<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.get(); }

	REFERENCE_TIME m_rtDur;

	CCritSec m_csQueue;
	std::list<std::unique_ptr<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(LPCWSTR 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);
};

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

class __declspec(uuid("1E1299A2-9D42-4F12-8791-D79E376F4143"))
	CMatroskaMuxerFilter
	: public CBaseFilter
	, public CCritSec
	, public CAMThread
	, public IAMFilterMiscFlags
	, public IMediaSeeking
	, public IMatroskaMuxer
{
protected:
	std::list<std::unique_ptr<CMatroskaMuxerInputPin>> m_pInputs;
	std::unique_ptr<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(const 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);
};
