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/*
* (C) 2003-2006 Gabest
* (C) 2006-2014 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 <vector>
#include <memory>
#include <thread>
#include <condition_variable>
#include "../SubPic/ISubPic.h"
//
// CSubtitleInputPin
//
class CSubtitleInputPin : public CBaseInputPin
{
static const REFERENCE_TIME INVALID_TIME = _I64_MIN;
CCritSec m_csReceive;
CCritSec* m_pSubLock;
CComPtr<ISubStream> m_pSubStream;
struct SubtitleSample {
REFERENCE_TIME rtStart, rtStop;
std::vector<BYTE> data;
SubtitleSample(REFERENCE_TIME rtStart, REFERENCE_TIME rtStop, BYTE* pData, size_t len)
: rtStart(rtStart)
, rtStop(rtStop)
, data(pData, pData + len) {}
};
CAutoPtrList<SubtitleSample> m_sampleQueue;
bool m_bExitDecodingThread, m_bStopDecoding;
std::thread m_decodeThread;
std::mutex m_mutexQueue; // to protect m_sampleQueue
std::condition_variable m_condQueueReady;
void DecodeSamples();
REFERENCE_TIME DecodeSample(const CAutoPtr<SubtitleSample>& pSample);
void InvalidateSamples();
protected:
virtual void AddSubStream(ISubStream* pSubStream) = 0;
virtual void RemoveSubStream(ISubStream* pSubStream) = 0;
virtual void InvalidateSubtitle(REFERENCE_TIME rtStart, ISubStream* pSubStream) = 0;
bool IsRLECodedSub(const CMediaType* pmt) const;
public:
CSubtitleInputPin(CBaseFilter* pFilter, CCritSec* pLock, CCritSec* pSubLock, HRESULT* phr);
~CSubtitleInputPin();
HRESULT CheckMediaType(const CMediaType* pmt);
HRESULT CompleteConnect(IPin* pReceivePin);
HRESULT BreakConnect();
STDMETHODIMP ReceiveConnection(IPin* pConnector, const AM_MEDIA_TYPE* pmt);
STDMETHODIMP NewSegment(REFERENCE_TIME tStart, REFERENCE_TIME tStop, double dRate);
STDMETHODIMP Receive(IMediaSample* pSample);
STDMETHODIMP EndOfStream(void);
ISubStream* GetSubStream() { return m_pSubStream; }
};
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