[clutter-gst] ClutterGstPlayback: implement a method to get position in seconds

[Lionel Landwerlin <llandwerlin src gnome org>]

commit 37889b48957d1476f9f1a7641e72e1fec1f8025b
Author: Sjoerd Simons <sjoerd simons collabora co uk>
Date:   Fri Aug 2 16:46:20 2013 +0200

    ClutterGstPlayback: implement a method to get position in seconds

 clutter-gst/clutter-gst-playback.c |   30 ++++++++++++++++++++++++++++++
 clutter-gst/clutter-gst-playback.h |    1 +
 2 files changed, 31 insertions(+), 0 deletions(-)
---
diff --git a/clutter-gst/clutter-gst-playback.c b/clutter-gst/clutter-gst-playback.c
index 1aa4163..209ba76 100644
--- a/clutter-gst/clutter-gst-playback.c
+++ b/clutter-gst/clutter-gst-playback.c
@@ -812,6 +812,21 @@ set_subtitle_font_name (ClutterGstPlayback *self,
   g_object_set (priv->pipeline, "subtitle-font-desc", font_name, NULL);
 }
 
+static gdouble
+get_position (ClutterGstPlayback *self)
+{
+  ClutterGstPlaybackPrivate *priv = self->priv;
+  gboolean success;
+  GstFormat format = GST_FORMAT_TIME;
+  gint64 position;
+
+  success = gst_element_query_position (priv->pipeline, format, &position);
+  if (G_UNLIKELY (success != TRUE))
+    return 0.0;
+
+  return (gdouble) position / GST_SECOND;
+}
+
 static gboolean
 player_buffering_timeout (gpointer data)
 {
@@ -2764,6 +2779,21 @@ clutter_gst_playback_get_progress (ClutterGstPlayback *self)
 
   return get_progress (self);
 }
+/**
+ * clutter_gst_playback_get_position:
+ * @self: a #ClutterGstPlayback
+ *
+ * Retrieves the position in the media stream that @self represents.
+ *
+ * Return value: the position in the media stream, in seconds
+ */
+gdouble
+clutter_gst_playback_get_position (ClutterGstPlayback *self)
+{
+  g_return_val_if_fail (CLUTTER_GST_IS_PLAYBACK (self), 0);
+
+  return get_position (self);
+}
 
 /**
  * clutter_gst_playback_get_duration:
diff --git a/clutter-gst/clutter-gst-playback.h b/clutter-gst/clutter-gst-playback.h
index ba8ae3e..d92905b 100644
--- a/clutter-gst/clutter-gst-playback.h
+++ b/clutter-gst/clutter-gst-playback.h
@@ -159,6 +159,7 @@ gboolean                  clutter_gst_playback_get_in_seek         (ClutterGstPl
 void                      clutter_gst_playback_set_progress        (ClutterGstPlayback        *self,
                                                                     gdouble                    progress);
 gdouble                   clutter_gst_playback_get_progress        (ClutterGstPlayback        *self);
+gdouble                   clutter_gst_playback_get_position        (ClutterGstPlayback        *self);
 gdouble                   clutter_gst_playback_get_duration        (ClutterGstPlayback        *self);
 
 gboolean                  clutter_gst_playback_is_live_media       (ClutterGstPlayback        *self);