video: only define currentAVFrame if needed

Change-Id: I85652e59a39097303fbfc414b7391a34dec019a6

src/api/newvideo.h

@@ -134,10 +134,14 @@ public:
      * @return current rendered frame
      */
     Frame currentFrame() const;
+
+#if defined(ENABLE_LIBWRAP) || (defined __APPLE__)
     /**
      * @return current avframe
      */
     std::unique_ptr<AVFrame, void(*)(AVFrame*)> currentAVFrame() const;
+#endif
+
     /**
      * @return current size
      */

src/newvideo.cpp

@@ -156,11 +156,13 @@ Renderer::currentFrame() const
     return result;
 }
 
+#if defined(ENABLE_LIBWRAP) || (defined __APPLE__)
 std::unique_ptr<AVFrame, void(*)(AVFrame*)>
 Renderer::currentAVFrame() const
 {
     return pimpl_->renderer->currentAVFrame();
 }
+#endif
 
 QSize
 Renderer::size() const

src/shmrenderer.h

@@ -59,7 +59,6 @@ public:
    int fps() const;
    virtual Frame currentFrame() const override;
    virtual ColorSpace colorSpace  () const override;
-   virtual std::unique_ptr<AVFrame, void(*)(AVFrame*)> currentAVFrame() const override;
 
    //Setters
    void setShmPath(const QString& path);

src/video/renderer.h

@@ -99,7 +99,9 @@ public:
    virtual QSize      size            () const;
    virtual QMutex*    mutex           () const;
    virtual ColorSpace colorSpace      () const = 0;
+#if defined(ENABLE_LIBWRAP) || (defined __APPLE__)
    virtual std::unique_ptr<AVFrame, void(*)(AVFrame*)> currentAVFrame() const = 0;
+#endif
    void setSize(const QSize& size) const;
 
 Q_SIGNALS: