qt: Let plugin documentation show up

* Enabled cc file parsing from hotdoc
* Moved package to plugins-good where it really is
* Fixed section comments

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/6603>

subprojects/gst-plugins-good/docs/meson.build

@@ -104,6 +104,7 @@ gst_plugins_doc = run_command(
         cdir / '../ext/*/*.[ch]',
         cdir / '../ext/*/*/*.[ch]',
         cdir / '../gst/*/*.[ch]',
+        cdir / '../ext/*/*.cc',
     '--gst_c_source_filters', excludes,
     '--gst_cache_file', plugins_cache,
     '--include_paths', cdir / '..',

subprojects/gst-plugins-good/ext/qt/gstplugin.cc

@@ -41,10 +41,10 @@ plugin_init (GstPlugin * plugin)
 }
 
 #ifndef GST_PACKAGE_NAME
-#define GST_PACKAGE_NAME   "GStreamer Bad Plug-ins (qmake)"
+#define GST_PACKAGE_NAME   "GStreamer Good Plug-ins"
 #define GST_PACKAGE_ORIGIN "Unknown package origin"
 #define GST_LICENSE        "LGPL"
-#define PACKAGE            "gst-plugins-bad (qmake)"
+#define PACKAGE            "gst-plugins-good"
 #define PACKAGE_VERSION    "1.13.0.1"
 #endif
 

subprojects/gst-plugins-good/ext/qt/gstqtoverlay.cc

@@ -19,7 +19,7 @@
  */
 
 /**
- * SECTION:gstqtoverlay
+ * SECTION:element-qmlgloverlay
  *
  * qmlgloverlay provides a way to render an almost-arbitrary QML scene within
  * GStreamer pipeline using the same OpenGL context that GStreamer uses

subprojects/gst-plugins-good/ext/qt/gstqtsink.cc

@@ -19,7 +19,7 @@
  */
 
 /**
- * SECTION:gstqtsink
+ * SECTION:element-qmlglsink
  *
  * qmlglsink provides a way to render a video stream as a Qml object inside
  * the Qml scene graph.  This is achieved by providing the incoming OpenGL

subprojects/gst-plugins-good/ext/qt/gstqtsrc.cc

@@ -19,8 +19,9 @@
  */
 
 /**
- * SECTION:qmlglsrc
+ * SECTION:element-qmlglsrc
  *
+ * A video src that captures a window from a QML view.
  */
 
 #ifdef HAVE_CONFIG_H

subprojects/gst-plugins-good/ext/qt/qtitem.cc

@@ -730,7 +730,7 @@ QtGLVideoItem::onSceneGraphInvalidated ()
   GST_FIXME ("%p scene graph invalidated", this);
 }
 
-/**
+/*
  * Retrieve and populate the GL context information from the current
  * OpenGL context.
  */