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#include "directshowvideorenderercontrol.h"

#include "videosurfacefilter.h"

DirectShowVideoRendererControl::DirectShowVideoRendererControl(DirectShowEventLoop *loop, QObject *parent)
    : QVideoRendererControl(parent)
    , m_loop(loop)
    , m_surface(0)
    , m_filter(0)
{
}

DirectShowVideoRendererControl::~DirectShowVideoRendererControl()
{
    delete m_filter;
}

QAbstractVideoSurface *DirectShowVideoRendererControl::surface() const
{
    return m_surface;
}

void DirectShowVideoRendererControl::setSurface(QAbstractVideoSurface *surface)
{
    if (surface != m_surface) {
        m_surface = surface;

        VideoSurfaceFilter *existingFilter = m_filter;

        if (surface) {
            m_filter = new VideoSurfaceFilter(surface, m_loop);
        } else {
            m_filter = 0;
        }

        emit filterChanged();

        delete existingFilter;
    }
}

IBaseFilter *DirectShowVideoRendererControl::filter()
{
    return m_filter;
}