overlaycompositor: Show the full example instead of a stripped down version

diff --git a/gst/overlaycomposition/gstoverlaycomposition.c b/gst/overlaycomposition/gstoverlaycomposition.c
index 2f65ac4..f9a4ebc 100644 (file)
--- a/gst/overlaycomposition/gstoverlaycomposition.c
+++ b/gst/overlaycomposition/gstoverlaycomposition.c
@@ -23,99 +23,9 @@
  * The overlaycomposition element renders an overlay using an application
  * provided draw function.
  *
- * A more interesting example can be found at
- * https://cgit.freedesktop.org/gstreamer/gst-plugins-base/tree/tests/examples/overlaycomposition/overlaycomposition.c
+ * ## Example code
  *
- * <refsect2>
- * <title>Example code</title>
- * |[
- *
- * #include &lt;gst/gst.h&gt;
- * #include &lt;gst/video/video.h&gt;
- *
- * ...
- *
- * typedef struct {
- *   gboolean valid;
- *   GstVideoInfo info;
- * } OverlayState;
- *
- * ...
- *
- * static void
- * prepare_overlay (GstElement * overlay, GstCaps * caps, gint window_width,
- *     gint window_height, gpointer user_data)
- * {
- *   OverlayState *s = (OverlayState *)user_data;
- *
- *   if (gst_video_info_from_caps (&amp;s-&gt;info, caps))
- *     s-&gt;valid = TRUE;
- * }
- *
- * static GstVideoOverlayComposition *
- * draw_overlay (GstElement * overlay, GstSample * sample, gpointer user_data)
- * {
- *   OverlayState *s = (OverlayState *)user_data;
- *   GstBuffer *buffer;
- *   GstVideoOverlayRectangle *rect;
- *   GstVideoOverlayComposition *comp;
- *   GstVideoInfo info;
- *   GstVideoFrame frame;
- *   gint x, y;
- *   guint8 *data;
- *
- *   if (!s-&gt;valid)
- *     return NULL;
- *
- *   gst_video_info_set_format (&amp;info, GST_VIDEO_FORMAT_BGRA, 16, 16);
- *   buffer = gst_buffer_new_and_alloc (info.size);
- *   gst_buffer_add_video_meta (buffer, GST_VIDEO_FRAME_FLAG_NONE,
- *       GST_VIDEO_INFO_FORMAT(&amp;info),
- *       GST_VIDEO_INFO_WIDTH(&amp;info),
- *       GST_VIDEO_INFO_HEIGHT(&amp;info));
- *
- *   gst_video_frame_map (&amp;frame, &amp;info, buffer, GST_MAP_WRITE);
- *
- *   // Overlay a half-transparent blue 16x16 rectangle in the middle
- *   // of the frame
- *   data = GST_VIDEO_FRAME_PLANE_DATA(&amp;frame, 0);
- *   for (y = 0; y < 16; y++) {
- *     guint8 *line = &amp;data[y * GST_VIDEO_FRAME_PLANE_STRIDE (&amp;frame, 0)];
- *     for (x = 0; x < 16; x++) {
- *       guint8 *pixel = &amp;line[x * 4];
- *
- *       pixel[0] = 255;
- *       pixel[1] = 0;
- *       pixel[2] = 0;
- *       pixel[3] = 127;
- *     }
- *   }
- *
- *   gst_video_frame_unmap (&amp;frame);
- *   rect = gst_video_overlay_rectangle_new_raw (buffer,
- *       s->info.width / 2 - 8,
- *       s->info.height / 2 - 8,
- *       16, 16,
- *       GST_VIDEO_OVERLAY_FORMAT_FLAG_NONE);
- *   comp = gst_video_overlay_composition_new (rect);
- *   gst_video_overlay_rectangle_unref (rect);
- *   gst_buffer_unref (buffer);
- *
- *   return comp;
- * }
- *
- * ...
- *
- * overlay = gst_element_factory_make (&quot;overlaycomposition&quot;, &quot;overlay&quot;);
- *
- * g_signal_connect (overlay, &quot;draw&quot;, G_CALLBACK (draw_overlay),
- *   overlay_state);
- * g_signal_connect (overlay, &quot;caps-changed&quot;, 
- *   G_CALLBACK (prepare_overlay), overlay_state);
- * ...
- *
- * ]|
- * </refsect2>
+ * {{ ../../tests/examples/overlaycomposition/overlaycomposition.c[23:316] }}
  */
 
 #if HAVE_CONFIG_H