[gnome-shell] shell-recorder-src: allow sending EOS to our source

[Wim Taymans <wtaymans src gnome org>]

commit 8b9904b6d03fab84779ece20f5efc6978e5a1f15
Author: Wim Taymans <wtaymans redhat com>
Date:   Wed Jun 11 17:29:33 2014 +0200

    shell-recorder-src: allow sending EOS to our source
    
    When we send EOS to our source, make it queue the special item to cause
    EOS after all buffers are pushed.

 src/shell-recorder-src.c |   32 +++++++++++++++++++++++++++-----
 1 files changed, 27 insertions(+), 5 deletions(-)
---
diff --git a/src/shell-recorder-src.c b/src/shell-recorder-src.c
index b26d5ca..9af7aab 100644
--- a/src/shell-recorder-src.c
+++ b/src/shell-recorder-src.c
@@ -35,6 +35,7 @@ enum {
 /* Special marker value once the source is closed */
 #define RECORDER_QUEUE_END ((GstBuffer *)1)
 
+#define shell_recorder_src_parent_class parent_class
 G_DEFINE_TYPE(ShellRecorderSrc, shell_recorder_src, GST_TYPE_PUSH_SRC);
 
 static void
@@ -93,6 +94,26 @@ shell_recorder_src_negotiate (GstBaseSrc * base_src)
   return result;
 }
 
+static gboolean
+shell_recorder_src_send_event (GstElement * element, GstEvent * event)
+{
+  ShellRecorderSrc *src = SHELL_RECORDER_SRC (element);
+  gboolean res;
+
+  switch (GST_EVENT_TYPE (event)) {
+    case GST_EVENT_EOS:
+      shell_recorder_src_close (src);
+      gst_event_unref (event);
+      res = TRUE;
+      break;
+    default:
+      res = GST_CALL_PARENT_WITH_DEFAULT (GST_ELEMENT_CLASS, send_event, (element,
+              event), FALSE);
+      break;
+  }
+  return res;
+}
+
 /* The create() virtual function is responsible for returning the next buffer.
  * We just pop buffers off of the queue and block if necessary.
  */
@@ -224,11 +245,6 @@ shell_recorder_src_class_init (ShellRecorderSrcClass *klass)
   object_class->set_property = shell_recorder_src_set_property;
   object_class->get_property = shell_recorder_src_get_property;
 
-  base_src_class->negotiate = shell_recorder_src_negotiate;
-
-  push_src_class->create = shell_recorder_src_create;
-
-
   g_object_class_install_property (object_class,
                                    PROP_CAPS,
                                    g_param_spec_boxed ("caps",
@@ -251,6 +267,12 @@ shell_recorder_src_class_init (ShellRecorderSrcClass *klass)
                                        "Generic/Src",
                                        "Feed screen capture data to a pipeline",
                                        "Owen Taylor <otaylor redhat com>");
+
+  element_class->send_event = shell_recorder_src_send_event;
+
+  base_src_class->negotiate = shell_recorder_src_negotiate;
+
+  push_src_class->create = shell_recorder_src_create;
 }
 
 /**