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#include "directshowevrvideowindowcontrol.h"

#include "directshowglobal.h"

DirectShowEvrVideoWindowControl::DirectShowEvrVideoWindowControl(QObject *parent)
    : EvrVideoWindowControl(parent)
    , m_evrFilter(NULL)
{
}

DirectShowEvrVideoWindowControl::~DirectShowEvrVideoWindowControl()
{
    if (m_evrFilter)
        m_evrFilter->Release();
}

IBaseFilter *DirectShowEvrVideoWindowControl::filter()
{
    if (!m_evrFilter) {
        m_evrFilter = com_new<IBaseFilter>(clsid_EnhancedVideoRenderer);
        if (!setEvr(m_evrFilter)) {
            m_evrFilter->Release();
            m_evrFilter = NULL;
        }
    }

    return m_evrFilter;
}
