webmsplit/webmsplitoutpin.hpp

// Copyright (c) 2010 The WebM project authors. All Rights Reserved.
//
// Use of this source code is governed by a BSD-style license and patent
// grant that can be found in the LICENSE file in the root of the source
// tree. All contributing project authors may be found in the AUTHORS
// file in the root of the source tree.

#pragma once
#include "webmsplitpin.hpp"
#include <comdef.h>
#include "graphutil.hpp"

namespace MkvParser
{
    class Stream;
}

namespace WebmSplit
{

class Outpin : public Pin,
               public IMediaSeeking
{
    Outpin(const Outpin&);
    Outpin& operator=(const Outpin&);
    
protected:
    Outpin(Filter*, MkvParser::Stream*);
    virtual ~Outpin();    

    void Final();
    HRESULT OnDisconnect();
    HRESULT GetName(PIN_INFO&) const;
    int PopulateSample(IMediaSample*);    

    MkvParser::Stream* m_pStream;
    GraphUtil::IMemAllocatorPtr m_pAllocator;
    GraphUtil::IMemInputPinPtr m_pInputPin;
    HANDLE m_hThread;
    HANDLE m_hStop;
    HANDLE m_hNewCluster;
    ULONG m_cRef;

public:    
    static Outpin* Create(Filter*, MkvParser::Stream*);
    ULONG Destroy();  //when inpin becomes disconnected            
    
    HRESULT Start();  //from stopped to running/paused
    void Stop();      //from running/paused to stopped
    
    //IUnknown interface:
    
    HRESULT STDMETHODCALLTYPE QueryInterface(const IID&, void**);
    ULONG STDMETHODCALLTYPE AddRef();
    ULONG STDMETHODCALLTYPE Release();
    
    //IPin interface:

    //HRESULT STDMETHODCALLTYPE EnumMediaTypes(IEnumMediaTypes**);

    HRESULT STDMETHODCALLTYPE Connect(IPin*, const AM_MEDIA_TYPE*);

    //HRESULT STDMETHODCALLTYPE Disconnect();

    HRESULT STDMETHODCALLTYPE ReceiveConnection( 
        IPin*,
        const AM_MEDIA_TYPE*);
        
    HRESULT STDMETHODCALLTYPE QueryAccept(const AM_MEDIA_TYPE*);

    HRESULT STDMETHODCALLTYPE QueryInternalConnections( 
        IPin**,
        ULONG*);
        
    HRESULT STDMETHODCALLTYPE EndOfStream();

    HRESULT STDMETHODCALLTYPE BeginFlush();    
    HRESULT STDMETHODCALLTYPE EndFlush();
    
    HRESULT STDMETHODCALLTYPE NewSegment( 
        REFERENCE_TIME,
        REFERENCE_TIME,
        double);
        
    //IMediaSeeking
    
    HRESULT STDMETHODCALLTYPE GetCapabilities(DWORD*);    
    HRESULT STDMETHODCALLTYPE CheckCapabilities(DWORD*);    
    HRESULT STDMETHODCALLTYPE IsFormatSupported(const GUID*);
    HRESULT STDMETHODCALLTYPE QueryPreferredFormat(GUID*);    
    HRESULT STDMETHODCALLTYPE GetTimeFormat(GUID*);    
    HRESULT STDMETHODCALLTYPE IsUsingTimeFormat(const GUID*);    
    HRESULT STDMETHODCALLTYPE SetTimeFormat(const GUID*);    
    HRESULT STDMETHODCALLTYPE GetDuration(LONGLONG*);    
    HRESULT STDMETHODCALLTYPE GetStopPosition(LONGLONG*);    
    HRESULT STDMETHODCALLTYPE GetCurrentPosition(LONGLONG*);    

    HRESULT STDMETHODCALLTYPE ConvertTimeFormat( 
        LONGLONG*,
        const GUID*,
        LONGLONG,
        const GUID*);
    
    HRESULT STDMETHODCALLTYPE SetPositions( 
        LONGLONG*,
        DWORD,
        LONGLONG*,
        DWORD);
    
    HRESULT STDMETHODCALLTYPE GetPositions( 
        LONGLONG*,
        LONGLONG*);
    
    HRESULT STDMETHODCALLTYPE GetAvailable( 
        LONGLONG*,
        LONGLONG*);
    
    HRESULT STDMETHODCALLTYPE SetRate(double);    
    HRESULT STDMETHODCALLTYPE GetRate(double*);    
    HRESULT STDMETHODCALLTYPE GetPreroll(LONGLONG*);
    
    MkvParser::Stream* GetStream() const;
    void OnNewCluster();

private:
    static unsigned __stdcall ThreadProc(void*);
    unsigned Main();
    
    void StartThread();
    void StopThread();

};
    
}  //end namespace WebmSplit