controlsources: refactor interpolation control source

Move most of the code to a GstTimedValueControlSource. Split out the trigger
'interpolation mode' to a new control source class. Move tests and examples to
new api. Update docs.

Fixes #610338

3 files changed, 58 insertions, 12 deletions

diff --git a/docs/libs/gstreamer-libs-docs.sgml b/docs/libs/gstreamer-libs-docs.sgml
index 8f12e655a..788c3d836 100644
--- a/docs/libs/gstreamer-libs-docs.sgml
+++ b/docs/libs/gstreamer-libs-docs.sgml
@@ -55,8 +55,10 @@
         element properties over time.
       </para>
 
+      <xi:include href="xml/gsttimedvaluecontrolsource.xml" />
       <xi:include href="xml/gstinterpolationcontrolsource.xml" />
       <xi:include href="xml/gstlfocontrolsource.xml" />
+      <xi:include href="xml/gsttriggercontrolsource.xml" />
     </chapter>
 
     <chapter id="gstreamer-dataprotocol">
diff --git a/docs/libs/gstreamer-libs-sections.txt b/docs/libs/gstreamer-libs-sections.txt
index 2491b29dd..c61a1838d 100644
--- a/docs/libs/gstreamer-libs-sections.txt
+++ b/docs/libs/gstreamer-libs-sections.txt
@@ -53,28 +53,49 @@ gst_dp_version_get_type
 # control source classes
 
 <SECTION>
+<FILE>gsttimedvaluecontrolsource</FILE>
+<TITLE>GstTimedValueControlSource</TITLE>
+<INCLUDE>libs/controller/gsttimedvaluecontrolsource.h</INCLUDE>
+GstTimedValueControlSource
+gst_timed_value_control_source_find_control_point_iter
+gst_timed_value_control_source_set
+gst_timed_value_control_source_set_from_list
+gst_timed_value_control_source_get_all
+gst_timed_value_control_source_unset
+gst_timed_value_control_source_unset_all
+gst_timed_value_control_source_get_count
+gst_timed_value_control_source_get_base_value_type
+gst_timed_value_control_invalidate_cache
+<SUBSECTION Standard>
+GstTimedValueControlSourceClass
+GstTimedValueControlSourcePrivate
+GST_INTERPOLATION_CONTROL_SOURCE
+GST_IS_INTERPOLATION_CONTROL_SOURCE
+GST_INTERPOLATION_CONTROL_SOURCE_CLASS
+GST_IS_INTERPOLATION_CONTROL_SOURCE_CLASS
+GST_INTERPOLATION_CONTROL_SOURCE_GET_CLASS
+GST_TYPE_INTERPOLATION_CONTROL_SOURCE
+<SUBSECTION Private>
+gst_timed_value_control_source_get_type
+</SECTION>
+
+<SECTION>
 <FILE>gstinterpolationcontrolsource</FILE>
 <TITLE>GstInterpolationControlSource</TITLE>
 <INCLUDE>libs/controller/gstinterpolationcontrolsource.h</INCLUDE>
 GstInterpolationControlSource
 GstInterpolateMode
 gst_interpolation_control_source_new
-gst_interpolation_control_source_set
-gst_interpolation_control_source_set_from_list
 gst_interpolation_control_source_set_interpolation_mode
-gst_interpolation_control_source_get_all
-gst_interpolation_control_source_unset
-gst_interpolation_control_source_unset_all
-gst_interpolation_control_source_get_count
 <SUBSECTION Standard>
 GstInterpolationControlSourceClass
 GstInterpolationControlSourcePrivate
-GST_INTERPOLATION_CONTROL_SOURCE
-GST_IS_INTERPOLATION_CONTROL_SOURCE
-GST_INTERPOLATION_CONTROL_SOURCE_CLASS
-GST_IS_INTERPOLATION_CONTROL_SOURCE_CLASS
-GST_INTERPOLATION_CONTROL_SOURCE_GET_CLASS
-GST_TYPE_INTERPOLATION_CONTROL_SOURCE
+GST_TIMED_VALUE_CONTROL_SOURCE
+GST_IS_TIMED_VALUE_CONTROL_SOURCE
+GST_TIMED_VALUE_CONTROL_SOURCE_CLASS
+GST_IS_TIMED_VALUE_CONTROL_SOURCE_CLASS
+GST_TIMED_VALUE_CONTROL_SOURCE_GET_CLASS
+GST_TYPE_TIMED_VALUE_CONTROL_SOURCE
 <SUBSECTION Private>
 gst_interpolation_control_source_get_type
 </SECTION>
@@ -101,6 +122,25 @@ gst_lfo_control_source_get_type
 gst_lfo_waveform_get_type
 </SECTION>
 
+<SECTION>
+<FILE>gsttriggercontrolsource</FILE>
+<TITLE>GstTriggerControlSource</TITLE>
+<INCLUDE>libs/controller/gsttriggercontrolsource.h</INCLUDE>
+GstTriggerControlSource
+gst_trigger_control_source_new
+<SUBSECTION Standard>
+GstTriggerControlSourceClass
+GstTriggerControlSourcePrivate
+GST_TRIGGER_CONTROL_SOURCE
+GST_IS_TRIGGER_CONTROL_SOURCE
+GST_TRIGGER_CONTROL_SOURCE_CLASS
+GST_IS_TRIGGER_CONTROL_SOURCE_CLASS
+GST_TRIGGER_CONTROL_SOURCE_GET_CLASS
+GST_TYPE_TRIGGER_CONTROL_SOURCE
+<SUBSECTION Private>
+gst_trigger_control_source_get_type
+</SECTION>
+
 # base classes
 
 <SECTION>
diff --git a/docs/libs/gstreamer-libs.types b/docs/libs/gstreamer-libs.types
index 62594a4f4..a75d55b4f 100644
--- a/docs/libs/gstreamer-libs.types
+++ b/docs/libs/gstreamer-libs.types
@@ -18,11 +18,15 @@ gst_push_src_get_type
 
 % controller
 
+#include <gst/controller/gsttimedvaluecontrolsource.h>
 #include <gst/controller/gstinterpolationcontrolsource.h>
 #include <gst/controller/gstlfocontrolsource.h>
+#include <gst/controller/gsttriggercontrolsource.h>
 
+gst_timed_value_control_source_get_type
 gst_interpolation_control_source_get_type
 gst_lfo_control_source_get_type
+gst_trigger_control_source_get_type
 
 % net