docs: add Since tag to new TitleSource functions

And add them to the GES API doc

docs/libs/ges-sections.txt

@@ -560,16 +560,22 @@ GES_TIMELINE_TEST_SOURCE_GET_CLASS
 <TITLE>GESTimelineTitleSource</TITLE>
 GESTimelineTitleSource
 ges_timeline_title_source_new
-ges_timeline_title_source_set_mute
 ges_timeline_title_source_set_text
 ges_timeline_title_source_set_font_desc
-ges_timeline_title_source_set_valignment
 ges_timeline_title_source_set_halignment
-ges_timeline_title_source_is_muted
+ges_timeline_title_source_set_valignment
+ges_timeline_title_source_set_mute
+ges_timeline_title_source_set_color
+ges_timeline_title_source_set_xpos
+ges_timeline_title_source_set_ypos
 ges_timeline_title_source_get_text
 ges_timeline_title_source_get_font_desc
 ges_timeline_title_source_get_valignment
 ges_timeline_title_source_get_halignment
+ges_timeline_title_source_is_muted
+ges_timeline_title_source_get_color
+ges_timeline_title_source_get_xpos
+ges_timeline_title_source_get_ypos
 <SUBSECTION Standard>
 GESTimelineTitleSourceClass
 GESTimelineTitleSourcePrivate
@@ -655,10 +661,16 @@ ges_track_title_source_set_text
 ges_track_title_source_set_font_desc
 ges_track_title_source_set_halignment
 ges_track_title_source_set_valignment
+ges_track_title_source_set_color
+ges_track_title_source_set_xpos
+ges_track_title_source_set_ypos
+ges_track_title_source_get_text
 ges_track_title_source_get_font_desc
 ges_track_title_source_get_halignment
-ges_track_title_source_get_text
 ges_track_title_source_get_valignment
+ges_track_title_source_get_color
+ges_track_title_source_get_xpos
+ges_track_title_source_get_ypos
 <SUBSECTION Standard>
 GESTrackTitleSourceClass
 GESTrackTitleSourcePrivate

ges/ges-timeline-title-source.c

@@ -429,6 +429,7 @@ ges_timeline_title_source_set_mute (GESTimelineTitleSource * self,
  *
  * Sets the color of the text.
  *
+ * Since: 0.10.2
  */
 void
 ges_timeline_title_source_set_color (GESTimelineTitleSource * self,
@@ -453,6 +454,7 @@ ges_timeline_title_source_set_color (GESTimelineTitleSource * self,
  *
  * Sets the horizontal position of the text.
  *
+ * Since: 0.10.2
  */
 void
 ges_timeline_title_source_set_xpos (GESTimelineTitleSource * self,
@@ -477,6 +479,7 @@ ges_timeline_title_source_set_xpos (GESTimelineTitleSource * self,
  *
  * Sets the vertical position of the text.
  *
+ * Since: 0.10.2
  */
 void
 ges_timeline_title_source_set_ypos (GESTimelineTitleSource * self,
@@ -577,6 +580,7 @@ ges_timeline_title_source_is_muted (GESTimelineTitleSource * self)
  *
  * Returns: The color used by @self.
  *
+ * Since: 0.10.2
  */
 const guint32
 ges_timeline_title_source_get_color (GESTimelineTitleSource * self)
@@ -592,6 +596,7 @@ ges_timeline_title_source_get_color (GESTimelineTitleSource * self)
  *
  * Returns: The horizontal position used by @self.
  *
+ * Since: 0.10.2
  */
 const gdouble
 ges_timeline_title_source_get_xpos (GESTimelineTitleSource * self)
@@ -607,6 +612,7 @@ ges_timeline_title_source_get_xpos (GESTimelineTitleSource * self)
  *
  * Returns: The vertical position used by @self.
  *
+ * Since: 0.10.2
  */
 const gdouble
 ges_timeline_title_source_get_ypos (GESTimelineTitleSource * self)

ges/ges-track-title-source.c

@@ -269,6 +269,8 @@ ges_track_title_source_set_halignment (GESTrackTitleSource * self,
  * @color: the color @self is being set to
  *
  * Sets the color of the text.
+ *
+ * Since: 0.10.2
  */
 void
 ges_track_title_source_set_color (GESTrackTitleSource * self, guint32 color)
@@ -286,6 +288,8 @@ ges_track_title_source_set_color (GESTrackTitleSource * self, guint32 color)
  * @position: the horizontal position @self is being set to
  *
  * Sets the horizontal position of the text.
+ *
+ * Since: 0.10.2
  */
 void
 ges_track_title_source_set_xpos (GESTrackTitleSource * self, gdouble position)
@@ -303,6 +307,8 @@ ges_track_title_source_set_xpos (GESTrackTitleSource * self, gdouble position)
  * @position: the color @self is being set to
  *
  * Sets the vertical position of the text.
+ *
+ * Since: 0.10.2
  */
 void
 ges_track_title_source_set_ypos (GESTrackTitleSource * self, gdouble position)
@@ -378,6 +384,8 @@ ges_track_title_source_get_valignment (GESTrackTitleSource * source)
  * Get the color used by @source.
  *
  * Returns: The color used by @source.
+ *
+ * Since: 0.10.2
  */
 const guint32
 ges_track_title_source_get_color (GESTrackTitleSource * source)
@@ -392,6 +400,8 @@ ges_track_title_source_get_color (GESTrackTitleSource * source)
  * Get the horizontal position used by @source.
  *
  * Returns: The horizontal position used by @source.
+ *
+ * Since: 0.10.2
  */
 const gdouble
 ges_track_title_source_get_xpos (GESTrackTitleSource * source)
@@ -406,6 +416,8 @@ ges_track_title_source_get_xpos (GESTrackTitleSource * source)
  * Get the vertical position used by @source.
  *
  * Returns: The vertical position used by @source.
+ *
+ * Since: 0.10.2
  */
 const gdouble
 ges_track_title_source_get_ypos (GESTrackTitleSource * source)