alphacolor: Improve docs a bit

4d906b4a · Sebastian Dröge · 01076cb4 · 4d906b4a
Commit 4d906b4a authored Apr 08, 2010 by Sebastian Dröge
--- a/gst/alpha/gstalphacolor.c
+++ b/gst/alpha/gstalphacolor.c
@@ -21,7 +21,14 @@
 * SECTION:element-alphacolor
 *
 * The alphacolor element does memory-efficient (in-place) colourspace
- * conversion from RGBA to AYUV, preserving the alpha channel.
+ * conversion from RGBA to AYUV or AYUV to RGBA while preserving the
+ * alpha channel.
+ *
+ * Sample pipeline:
+ * |[
+ * gst-launch videotestsrc ! "video/x-raw-yuv,format=(fourcc)AYUV" ! \
+ *   alphacolor ! "video/x-raw-rgb" ! ffmpegcolorspace ! autovideosink
+ * ]|
 */

 #ifdef HAVE_CONFIG_H