doubango-android/plugins/pluginDirectShow/internals/DSOutputStream.h

/* Copyright (C) 2011-2013 Doubango Telecom <http://www.doubango.org>
*
* This file is part of Open Source Doubango Framework.
*
* DOUBANGO 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.
*
* DOUBANGO 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 DOUBANGO.
*/
#ifndef PLUGIN_DSHOW_DSOUTPUTSTREAM_H
#define PLUGIN_DSHOW_DSOUTPUTSTREAM_H

#include "plugin_dshow_config.h"

#include <streams.h>

#include "tsk_mutex.h"

class DSOutputFilter;

class DSOutputStream : public CSourceStream
{
public:
    DSOutputStream(HRESULT *phr, DSOutputFilter *pParent, LPCWSTR pPinName);
    virtual ~DSOutputStream();

    void setFps(int fps_);
    void showOverlay(int value);

    HRESULT setImageFormat(UINT width, UINT height);
    bool getImageFormat(UINT &width, UINT &height);
    STDMETHODIMP Notify(IBaseFilter *pSelf, Quality q) {
        return E_NOTIMPL;
    };
    inline bool lockBuffer() {
        if (this->mutex) {
            return tsk_mutex_lock(this->mutex) == 0;
        }
        return false;
    }
    inline bool unlockBuffer() {
        if (this->mutex) {
            return tsk_mutex_unlock(this->mutex) == 0;
        }
        return false;
    }

public:
    void			*buffer;
    int				buffer_size;
    LONGLONG		frameNumber;

protected: // Overrides
    HRESULT GetMediaType(CMediaType *pMediaType);
    HRESULT DecideBufferSize(IMemAllocator *pMemAlloc, ALLOCATOR_PROPERTIES *pProperties);
    HRESULT OnThreadCreate();
    HRESULT OnThreadDestroy();
    HRESULT FillBuffer(IMediaSample *pSample);

private:
    inline HRESULT DrawOverLay(void *pBuffer, long lSize);

private:
    // TIMING
    REFERENCE_TIME	frameLength;
    int				fps;

    // sizing
    UINT width;
    UINT height;

    // overlaying
    bool			overlay;
    BITMAPINFO		bitmapInfo;
    void			*paintBuffer;
    HDC				paintDC;
    HBITMAP			hDibSection;
    HGDIOBJ			hObject;

    tsk_mutex_handle_t* mutex;
};


#endif