vp8encoder/vp8encoderoutpinvideo.hpp

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

#pragma once
#include "vp8encoderoutpin.hpp"
#include "vp8encoderidl.h"

namespace VP8EncoderLib
{
class Filter;

class OutpinVideo : public Outpin,
                    public IMediaSeeking
{
    OutpinVideo(const OutpinVideo&);
    OutpinVideo& operator=(const OutpinVideo&);

protected:
    std::wstring GetName() const;

public:
    explicit OutpinVideo(Filter*);
    virtual ~OutpinVideo();

    //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 QueryAccept(const AM_MEDIA_TYPE*);

    //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*);

    //local functions

    virtual void OnInpinConnect();
    HRESULT GetFrame(IVP8Sample::Frame&);
    HRESULT OnSetPassMode(VP8PassMode);
    void WriteStats(const vpx_codec_cx_pkt_t*);

protected:
    HRESULT OnDisconnect();
    void SetDefaultMediaTypes();
    void SetFirstPassMediaTypes();

    virtual HRESULT PostConnect(IPin*);
    HRESULT GetAllocator(IMemInputPin*, IMemAllocator**) const;
    void GetSubtype(GUID&) const;

    HRESULT PostConnectVideo(IPin*);
    HRESULT PostConnectStats(IPin*);

private:
    IStreamPtr m_pStream;

};


}  //end namespace VP8EncoderLib