Elements: FocusAnalyze: Initial meow

Signed-off-by: Vasiliy Doylov <nekocwd@mainlining.org>

src/elements/focus_analyze.vala

@@ -0,0 +1,59 @@
+public class EyeNeko.Elements.FocusAnalyze : Gst.Bin {
+    public Gst.Element tee = Gst.ElementFactory.make("tee");
+    public Gst.Element queue_analyze = Gst.ElementFactory.make("queue");
+    public Gst.Element glupload = Gst.ElementFactory.make("glupload");
+    public Gst.Element laplacian = Gst.ElementFactory.make("gleffects_laplacian");
+    public Gst.Element gldownload = Gst.ElementFactory.make("gldownload");
+    public Gst.Element videoconvert = Gst.ElementFactory.make("videoconvert");
+    public Gst.Element videoanalyze = Gst.ElementFactory.make("videoanalyse");
+    public Gst.Element videoconvert2 = Gst.ElementFactory.make("videoconvert");
+    public Gst.Element gtk4paintablesink = Gst.ElementFactory.make("gtk4paintablesink");
+
+    public Gst.Element queue_passthrough = Gst.ElementFactory.make("queue");
+    Gst.Pad sinkpad;
+    Gst.Pad srcpad;
+
+    public Gdk.Paintable get_paintable() {
+        Gdk.Paintable paintable;
+        gtk4paintablesink.get("paintable", out paintable);
+        return paintable;
+    }
+
+    static construct {
+        set_static_metadata(
+                            "focusanalyze",
+                            "Filter",
+                            "Focus analyze video filter.",
+                            "nekocwd@mainlining.org");
+
+        add_static_pad_template(
+        {
+            "sink",
+            Gst.PadDirection.SINK,
+            Gst.PadPresence.ALWAYS,
+            { null, "video/x-raw" }
+        });
+        add_static_pad_template(
+        {
+            "src",
+            Gst.PadDirection.SRC,
+            Gst.PadPresence.ALWAYS,
+            { null, "video/x-raw" }
+        });
+    }
+
+    public FocusAnalyze() {}
+
+    construct {
+        // Child elements
+        add_many(tee, queue_analyze, glupload, laplacian, gldownload, videoconvert, videoanalyze, videoconvert2, gtk4paintablesink, queue_passthrough);
+        tee.link_many(queue_analyze, glupload, laplacian, gldownload, videoconvert, videoanalyze, videoconvert2, gtk4paintablesink);
+        tee.link_many(queue_passthrough);
+        // Sink Pad
+        sinkpad = new Gst.GhostPad("sink", tee.get_static_pad("sink"));
+        add_pad(sinkpad);
+        // Src Pad
+        srcpad = new Gst.GhostPad("src", queue_passthrough.get_static_pad("src"));
+        add_pad(srcpad);
+    }
+}

src/meson.build

@@ -10,6 +10,7 @@ eyeneko_sources = [
   'logic/filter.vala',
   'logic/helpers.vala',
   'elements/downscale.vala',
+  'elements/focus_analyze.vala',
 ]
 
 vapi_dir = meson.current_source_dir() / 'vapi'