webmmux/webmmuxoutpin.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 "webmmuxpin.hpp"
#include "graphutil.hpp"

namespace WebmMux
{

class Outpin : public Pin
{
    Outpin(const Outpin&);
    Outpin& operator=(const Outpin&);
    
public:

    explicit Outpin(Filter*);
    ~Outpin();
    
    void Init();   //transition from Stopped
    void Final();  //transitio to Stopped
    
    //IUnknown interface:
    
    HRESULT STDMETHODCALLTYPE QueryInterface(const IID&, void**);
    ULONG STDMETHODCALLTYPE AddRef();
    ULONG STDMETHODCALLTYPE Release();
    
    //IPin interface:

    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);
        
    //local functions
    
    HRESULT GetCurrentPosition(LONGLONG&) const;

protected:

    virtual HRESULT OnDisconnect();
    
private:

    GraphUtil::IMemAllocatorPtr m_pAllocator;
    ALLOCATOR_PROPERTIES m_props;

public:

    IStreamPtr m_pStream;
    
};
    
}  //end namespace WebmMux