gstframegrabber.hxx

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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#pragma once
 
#include <sal/config.h>
 
#include <string_view>
 
#include "gstplayer.hxx"
#include <com/sun/star/media/XFrameGrabber.hpp>
#include <cppuhelper/implbase.hxx>
#include <rtl/ref.hxx>
 
namespace avmedia::gstreamer {
 
typedef ::cppu::WeakImplHelper< css::media::XFrameGrabber,
                                css::lang::XServiceInfo > FrameGrabber_BASE;
 
 
class FrameGrabber : public FrameGrabber_BASE
{
    GstElement *mpPipeline;
    void disposePipeline();
public:
    // noncopyable
    FrameGrabber(const FrameGrabber&) = delete;
    const FrameGrabber& operator=(const FrameGrabber&) =delete;
 
    // static create method instead of public Ctor
    static rtl::Reference<FrameGrabber> create( std::u16string_view rURL );
 
    virtual ~FrameGrabber() override;
 
    // XFrameGrabber
    virtual css::uno::Reference< css::graphic::XGraphic > SAL_CALL grabFrame( double fMediaTime ) override;
 
    // XServiceInfo
    virtual OUString SAL_CALL getImplementationName(  ) override;
    virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) override;
    virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames(  ) override;
 
private:
    explicit FrameGrabber( std::u16string_view aURL );
};
 
} // avmedia::gst
 
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