gst/selector/gstinputselector.*: Added "select-all" property to make it work like aggregator in 0.8.

Original commit message from CVS:
* gst/selector/gstinputselector.c:
* gst/selector/gstinputselector.h:
Added "select-all" property to make it work like aggregator in 0.8.
* gst/selector/gstoutputselector.c:
Fix resend-latest behavoiur.
* tests/check/Makefile.am:
* tests/check/elements/.cvsignore:
* tests/check/elements/selector.c:
Add unit tests for selector.

7 files changed, 476 insertions, 9 deletions

diff --git a/ChangeLog b/ChangeLog
index 8eeb45c2..558bd491 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,17 @@
+2008-02-25  Stefan Kost  <ensonic@users.sf.net>
+
+	* gst/selector/gstinputselector.c:
+	* gst/selector/gstinputselector.h:
+	  Added "select-all" property to make it work like aggregator in 0.8.
+
+	* gst/selector/gstoutputselector.c:
+	  Fix resend-latest behavoiur.
+	  
+	* tests/check/Makefile.am:
+	* tests/check/elements/.cvsignore:
+	* tests/check/elements/selector.c:
+	  Add unit tests for selector.
+
 2008-02-25  Sebastian Dröge  <slomo@circular-chaos.org>
 
 	* configure.ac:
diff --git a/gst/selector/gstinputselector.c b/gst/selector/gstinputselector.c
index aef4bfc3..e66eed3d 100644
--- a/gst/selector/gstinputselector.c
+++ b/gst/selector/gstinputselector.c
@@ -65,7 +65,8 @@ GST_STATIC_PAD_TEMPLATE ("src",
 
 enum
 {
-  PROP_ACTIVE_PAD = 1
+  PROP_ACTIVE_PAD = 1,
+  PROP_SELECT_ALL
 };
 
 enum
@@ -89,6 +90,7 @@ static GstPad *gst_input_selector_activate_sinkpad (GstInputSelector * sel,
 static GstPad *gst_input_selector_get_linked_pad (GstPad * pad,
     gboolean strict);
 static void gst_input_selector_push_pending_stop (GstInputSelector * self);
+static gboolean gst_input_selector_check_eos (GstElement * selector);
 
 #define GST_TYPE_SELECTOR_PAD \
   (gst_selector_pad_get_type())
@@ -276,6 +278,11 @@ gst_selector_pad_event (GstPad * pad, GstEvent * event)
   /* only forward if we are dealing with the active sinkpad */
   forward = gst_input_selector_is_active_sinkpad (sel, pad);
 
+  /* forward all events in select_all mode by default */
+  if (sel->select_all) {
+    forward = TRUE;
+  }
+
   switch (GST_EVENT_TYPE (event)) {
     case GST_EVENT_FLUSH_STOP:
       gst_selector_pad_reset (selpad);
@@ -306,6 +313,10 @@ gst_selector_pad_event (GstPad * pad, GstEvent * event)
     }
     case GST_EVENT_EOS:
       selpad->eos = TRUE;
+      /* don't forward eos in select_all mode until all sink pads have eos */
+      if (sel->select_all && !gst_input_selector_check_eos (GST_ELEMENT (sel))) {
+        forward = FALSE;
+      }
       break;
     default:
       break;
@@ -351,7 +362,7 @@ gst_selector_pad_bufferalloc (GstPad * pad, guint64 offset,
   active_sinkpad = gst_input_selector_activate_sinkpad (sel, pad);
 
   /* Fallback allocation for buffers from pads except the selected one */
-  if (pad != active_sinkpad) {
+  if (pad != active_sinkpad && !sel->select_all) {
     GST_DEBUG_OBJECT (sel,
         "Pad %s:%s is not selected. Performing fallback allocation",
         GST_DEBUG_PAD_NAME (pad));
@@ -429,7 +440,7 @@ gst_selector_pad_chain (GstPad * pad, GstBuffer * buf)
   }
 
   /* Ignore buffers from pads except the selected one */
-  if (pad != active_sinkpad)
+  if (pad != active_sinkpad && !sel->select_all)
     goto ignore;
 
   gst_input_selector_push_pending_stop (sel);
@@ -535,6 +546,9 @@ gst_input_selector_class_init (GstInputSelectorClass * klass)
   g_object_class_install_property (gobject_class, PROP_ACTIVE_PAD,
       g_param_spec_string ("active-pad", "Active pad",
           "Name of the currently" " active sink pad", NULL, G_PARAM_READWRITE));
+  g_object_class_install_property (gobject_class, PROP_SELECT_ALL,
+      g_param_spec_boolean ("select-all", "Select all mode",
+          "Forwards data from all input pads", FALSE, G_PARAM_READWRITE));
   gobject_class->dispose = gst_input_selector_dispose;
   gstelement_class->request_new_pad = gst_input_selector_request_new_pad;
   gstelement_class->release_pad = gst_input_selector_release_pad;
@@ -618,6 +632,8 @@ gst_input_selector_init (GstInputSelector * sel)
 
   sel->blocked_cond = g_cond_new ();
   sel->blocked = FALSE;
+
+  sel->select_all = FALSE;
 }
 
 static void
@@ -721,6 +737,9 @@ gst_input_selector_set_property (GObject * object, guint prop_id,
       gst_input_selector_set_active_pad (sel,
           g_value_get_string (value), GST_CLOCK_TIME_NONE, GST_CLOCK_TIME_NONE);
       break;
+    case PROP_SELECT_ALL:
+      sel->select_all = g_value_get_boolean (value);
+      break;
     default:
       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
       break;
@@ -744,6 +763,9 @@ gst_input_selector_get_property (GObject * object, guint prop_id,
       GST_OBJECT_UNLOCK (object);
       break;
     }
+    case PROP_SELECT_ALL:
+      g_value_set_boolean (value, sel->select_all);
+      break;
     default:
       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
       break;
@@ -776,8 +798,13 @@ gst_input_selector_getcaps (GstPad * pad)
   GstObject *parent;
   GstCaps *caps;
 
-  otherpad = gst_input_selector_get_linked_pad (pad, FALSE);
   parent = gst_object_get_parent (GST_OBJECT (pad));
+  if (GST_INPUT_SELECTOR (parent)->select_all) {
+    caps = gst_pad_proxy_getcaps (pad);
+    goto done;
+  }
+
+  otherpad = gst_input_selector_get_linked_pad (pad, FALSE);
   if (!otherpad) {
     GST_DEBUG_OBJECT (parent,
         "Pad %s:%s not linked, returning ANY", GST_DEBUG_PAD_NAME (pad));
@@ -793,6 +820,7 @@ gst_input_selector_getcaps (GstPad * pad)
     gst_object_unref (otherpad);
   }
 
+done:
   gst_object_unref (parent);
   return caps;
 }
@@ -981,3 +1009,39 @@ gst_input_selector_switch (GstInputSelector * self, const gchar * pad_name,
   g_cond_broadcast (self->blocked_cond);
   GST_OBJECT_UNLOCK (self);
 }
+
+static gboolean
+gst_input_selector_check_eos (GstElement * selector)
+{
+  GstIterator *it = gst_element_iterate_sink_pads (selector);
+  GstIteratorResult ires;
+  gpointer item;
+  gboolean done = FALSE, is_eos = FALSE;
+  GstSelectorPad *pad;
+
+  while (!done) {
+    ires = gst_iterator_next (it, &item);
+    switch (ires) {
+      case GST_ITERATOR_DONE:
+        GST_INFO_OBJECT (selector, "all sink pads have eos");
+        done = TRUE;
+        is_eos = TRUE;
+        break;
+      case GST_ITERATOR_OK:
+        pad = GST_SELECTOR_PAD_CAST (item);
+        if (!pad->eos) {
+          done = TRUE;
+        }
+        break;
+      case GST_ITERATOR_RESYNC:
+        gst_iterator_resync (it);
+        break;
+      default:
+        done = TRUE;
+        break;
+    }
+  }
+  gst_iterator_free (it);
+
+  return is_eos;
+}
diff --git a/gst/selector/gstinputselector.h b/gst/selector/gstinputselector.h
index bb1a28db..ee683465 100644
--- a/gst/selector/gstinputselector.h
+++ b/gst/selector/gstinputselector.h
@@ -54,6 +54,9 @@ struct _GstInputSelector {
   gboolean blocked;
   gboolean pending_stop;
   GstSegment pending_stop_segment;
+
+  /* select all mode, send data from all input pads forward */
+  gboolean select_all;
 };
 
 struct _GstInputSelectorClass {
diff --git a/gst/selector/gstoutputselector.c b/gst/selector/gstoutputselector.c
index a60df6a9..f8ed8846 100644
--- a/gst/selector/gstoutputselector.c
+++ b/gst/selector/gstoutputselector.c
@@ -367,11 +367,9 @@ gst_output_selector_chain (GstPad * pad, GstBuffer * buf)
   }
 
   /* Keep reference to latest buffer to resend it after switch */
-  if (osel->resend_latest) {
-    if (osel->latest_buffer)
-      gst_buffer_unref (osel->latest_buffer);
-    osel->latest_buffer = gst_buffer_ref (buf);
-  }
+  if (osel->latest_buffer)
+    gst_buffer_unref (osel->latest_buffer);
+  osel->latest_buffer = gst_buffer_ref (buf);
 
   /* Keep track of last stop and use it in NEWSEGMENT start after 
      switching to a new src pad */
diff --git a/tests/check/Makefile.am b/tests/check/Makefile.am
index d1ea55ed..0cc65741 100644
--- a/tests/check/Makefile.am
+++ b/tests/check/Makefile.am
@@ -71,6 +71,7 @@ check_PROGRAMS = \
 	elements/rganalysis \
 	elements/rglimiter \
 	elements/rgvolume \
+	elements/selector \
 	elements/y4menc
 
 noinst_HEADERS = 
diff --git a/tests/check/elements/.gitignore b/tests/check/elements/.gitignore
index 3ec9ac29..4f802bc2 100644
--- a/tests/check/elements/.gitignore
+++ b/tests/check/elements/.gitignore
@@ -9,6 +9,7 @@ souphttpsrc
 rganalysis
 rglimiter
 rgvolume
+selector
 spectrum
 timidity
 videocrop
diff --git a/tests/check/elements/selector.c b/tests/check/elements/selector.c
new file mode 100644
index 00000000..c4f6ca8d
--- /dev/null
+++ b/tests/check/elements/selector.c
@@ -0,0 +1,386 @@
+/* GStreamer
+ *
+ * Unit test for selector plugin
+ * Copyright (C) 2008 Nokia Corporation. (contact <stefan.kost@nokia.com>)
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#include <gst/check/gstcheck.h>
+
+#define NUM_SELECTOR_PADS 4
+#define NUM_INPUT_BUFFERS 4     // buffers to send per each selector pad
+
+static GstStaticPadTemplate sinktemplate = GST_STATIC_PAD_TEMPLATE ("sink",
+    GST_PAD_SINK,
+    GST_PAD_ALWAYS,
+    GST_STATIC_CAPS_ANY);
+static GstStaticPadTemplate srctemplate = GST_STATIC_PAD_TEMPLATE ("src",
+    GST_PAD_SRC,
+    GST_PAD_ALWAYS,
+    GST_STATIC_CAPS_ANY);
+
+/* Data probe cb to drop everything but count buffers and events */
+gboolean
+probe_cb (GstPad * pad, GstMiniObject * obj, gpointer user_data)
+{
+  gint count = 0;
+  gchar *count_type = NULL;
+
+  GST_LOG_OBJECT (pad, "got data");
+
+  if (GST_IS_BUFFER (obj)) {
+    count_type = "buffer_count";
+  } else if (GST_IS_EVENT (obj)) {
+    count_type = "event_count";
+  } else {
+    g_assert_not_reached ();
+  }
+
+  /* increment and store count */
+  count = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (pad), count_type));
+  count++;
+  g_object_set_data (G_OBJECT (pad), count_type, GINT_TO_POINTER (count));
+
+  /* drop everything */
+  return FALSE;
+}
+
+/* Create and link output pad: selector:src%d ! output_pad */
+GstPad *
+setup_output_pad (GstElement * element)
+{
+  GstPad *srcpad = NULL, *output_pad = NULL;
+  gulong probe_id = 0;
+
+  /* create output_pad */
+  output_pad = gst_pad_new_from_static_template (&sinktemplate, "sink");
+  fail_if (output_pad == NULL, "Could not create a output_pad");
+
+  /* add probe */
+  probe_id = gst_pad_add_data_probe (output_pad, G_CALLBACK (probe_cb), NULL);
+  g_object_set_data (G_OBJECT (output_pad), "probe_id",
+      GINT_TO_POINTER (probe_id));
+
+  /* request src pad */
+  srcpad = gst_element_get_request_pad (element, "src%d");
+  fail_if (srcpad == NULL, "Could not get source pad from %s",
+      GST_ELEMENT_NAME (element));
+
+  /* link pads and activate */
+  fail_unless (gst_pad_link (srcpad, output_pad) == GST_PAD_LINK_OK,
+      "Could not link %s source and output pad", GST_ELEMENT_NAME (element));
+
+  gst_pad_set_active (output_pad, TRUE);
+
+  GST_DEBUG_OBJECT (output_pad, "set up %" GST_PTR_FORMAT " ! %" GST_PTR_FORMAT,
+      srcpad, output_pad);
+
+  gst_object_unref (srcpad);
+  ASSERT_OBJECT_REFCOUNT (srcpad, "srcpad", 1);
+
+  return output_pad;
+}
+
+/* Clean up output/input pad and respective selector request pad */
+void
+cleanup_pad (GstPad * pad, GstElement * element)
+{
+  GstPad *selpad = NULL;
+  guint probe_id = 0;
+
+  fail_if (pad == NULL, "pad doesn't exist");
+
+  /* remove probe if necessary */
+  probe_id = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (pad), "probe_id"));
+  if (probe_id)
+    gst_pad_remove_data_probe (pad, probe_id);
+
+  /* unlink */
+  selpad = gst_pad_get_peer (pad);
+  if (GST_PAD_DIRECTION (selpad) == GST_PAD_SRC) {
+    gst_pad_unlink (selpad, pad);
+  } else {
+    gst_pad_unlink (pad, selpad);
+  }
+
+  /* caps could have been set, make sure they get unset */
+  gst_pad_set_caps (pad, NULL);
+
+  GST_DEBUG_OBJECT (pad, "clean up %" GST_PTR_FORMAT " and  %" GST_PTR_FORMAT,
+      selpad, pad);
+
+  /* cleanup the pad */
+  gst_pad_set_active (pad, FALSE);
+  ASSERT_OBJECT_REFCOUNT (pad, "pad", 1);
+  gst_object_unref (pad);
+
+  /* cleanup selector pad, reffed by this function (_get_peer) and creator */
+  gst_object_unref (selpad);
+  gst_element_release_request_pad (element, selpad);
+}
+
+/* Duplicate and push given buffer many times to all input_pads */
+void
+push_input_buffers (GList * input_pads, GstBuffer * buf, gint num_buffers)
+{
+  GstBuffer *buf_in = NULL;
+  GList *l = input_pads;
+  GstPad *input_pad;
+  gint i = 0;
+
+  while (l != NULL) {
+    input_pad = l->data;
+    GST_DEBUG_OBJECT (input_pad, "pushing %d buffers to %" GST_PTR_FORMAT,
+        num_buffers, input_pad);
+    for (i = 0; i < num_buffers; i++) {
+      buf_in = gst_buffer_copy (buf);
+      fail_unless (gst_pad_push (input_pad, buf_in) == GST_FLOW_OK,
+          "pushing buffer failed");
+    }
+    l = g_list_next (l);
+  }
+}
+
+/* Check that received buffers count match to expected buffers */
+void
+count_output_buffers (GList * output_pads, gint expected_buffers)
+{
+  gint count = 0;
+  GList *l = output_pads;
+  GstPad *output_pad = NULL;
+
+  while (l != NULL) {
+    output_pad = l->data;
+    count =
+        GPOINTER_TO_INT (g_object_get_data (G_OBJECT (output_pad),
+            "buffer_count"));
+    GST_DEBUG_OBJECT (output_pad, "received %d buffers", count);
+    fail_unless (count == expected_buffers,
+        "received/expected buffer count doesn't match %d/%d", count,
+        expected_buffers);
+    count =
+        GPOINTER_TO_INT (g_object_get_data (G_OBJECT (output_pad),
+            "event_count"));
+    GST_DEBUG_OBJECT (output_pad, "received %d events", count);
+    l = g_list_next (l);
+  }
+}
+
+/* Set selector active pad */
+void
+selector_set_active_pad (GstElement * elem, GstPad * selpad)
+{
+  gchar *padname = "";
+
+  if (selpad) {
+    padname = gst_pad_get_name (selpad);
+  }
+
+  g_object_set (G_OBJECT (elem), "active-pad", padname, NULL);
+  GST_DEBUG_OBJECT (elem, "activated selector pad: %s", padname);
+  if (selpad) {
+    g_free (padname);
+  }
+}
+
+/* Push buffers and switch for each selector pad */
+void
+push_switched_buffers (GList * input_pads,
+    GstElement * elem, GList * peer_pads, gint num_buffers)
+{
+  GstBuffer *buf = NULL;
+  GstCaps *caps = NULL;
+  GList *l = peer_pads;
+  GstPad *selpad = NULL;
+
+  /* setup dummy buffer */
+  caps = gst_caps_from_string ("application/x-unknown");
+  buf = gst_buffer_new_and_alloc (1);
+  gst_buffer_set_caps (buf, caps);
+  gst_caps_unref (caps);
+
+  while (l != NULL) {
+    /* set selector pad */
+    selpad = gst_pad_get_peer (GST_PAD (l->data));
+    selector_set_active_pad (elem, selpad);
+    if (selpad) {
+      gst_object_unref (selpad);
+    }
+    /* push buffers */
+    push_input_buffers (input_pads, buf, num_buffers);
+    /* switch to next selector pad */
+    l = g_list_next (l);
+  }
+
+  /* cleanup buffer */
+  gst_buffer_unref (buf);
+}
+
+/* Create output-selector with given number of src pads and switch
+   given number of input buffers to each src pad.
+ */
+void
+run_output_selector_buffer_count (gint num_output_pads,
+    gint num_buffers_per_output)
+{
+  /* setup input_pad ! selector ! output_pads */
+  gint i = 0;
+  GList *output_pads = NULL, *input_pads = NULL;
+  GstElement *sel = gst_check_setup_element ("output-selector");
+  GstPad *input_pad = gst_check_setup_src_pad (sel, &srctemplate, NULL);
+
+  input_pads = g_list_append (input_pads, input_pad);
+  gst_pad_set_active (input_pad, TRUE);
+  for (i = 0; i < num_output_pads; i++) {
+    output_pads = g_list_append (output_pads, setup_output_pad (sel));
+  }
+
+  /* run the test */
+  fail_unless (gst_element_set_state (sel,
+          GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
+      "could not set to playing");
+  push_switched_buffers (input_pads, sel, output_pads, num_buffers_per_output);
+  count_output_buffers (output_pads, num_buffers_per_output);
+  fail_unless (gst_element_set_state (sel,
+          GST_STATE_NULL) == GST_STATE_CHANGE_SUCCESS, "could not set to null");
+
+  /* cleanup input_pad, selector and output_pads */
+  gst_pad_set_active (input_pad, FALSE);
+  gst_check_teardown_src_pad (sel);
+  g_list_foreach (output_pads, (GFunc) cleanup_pad, sel);
+  g_list_free (output_pads);
+  g_list_free (input_pads);
+  gst_check_teardown_element (sel);
+}
+
+/* Create and link input pad: input_pad ! selector:sink%d */
+GstPad *
+setup_input_pad (GstElement * element)
+{
+  GstPad *sinkpad = NULL, *input_pad = NULL;
+
+  /* create input_pad */
+  input_pad = gst_pad_new_from_static_template (&srctemplate, "src");
+  fail_if (input_pad == NULL, "Could not create a input_pad");
+
+  /* request sink pad */
+  sinkpad = gst_element_get_request_pad (element, "sink%d");
+  fail_if (sinkpad == NULL, "Could not get sink pad from %s",
+      GST_ELEMENT_NAME (element));
+
+  /* link pads and activate */
+  fail_unless (gst_pad_link (input_pad, sinkpad) == GST_PAD_LINK_OK,
+      "Could not link input_pad and %s sink", GST_ELEMENT_NAME (element));
+
+  gst_pad_set_active (input_pad, TRUE);
+
+  GST_DEBUG_OBJECT (input_pad, "set up %" GST_PTR_FORMAT " ! %" GST_PTR_FORMAT,
+      input_pad, sinkpad);
+
+  gst_object_unref (sinkpad);
+  ASSERT_OBJECT_REFCOUNT (sinkpad, "sinkpad", 1);
+
+  return input_pad;
+}
+
+/* Create input-selector with given number of sink pads and switch
+   given number of input buffers to each sink pad.
+ */
+void
+run_input_selector_buffer_count (gint num_input_pads,
+    gint num_buffers_per_input)
+{
+  /* set up input_pads ! selector ! output_pad */
+  gint i = 0, probe_id = 0;
+  GList *input_pads = NULL, *output_pads = NULL;
+  GstElement *sel = gst_check_setup_element ("input-selector");
+  GstPad *output_pad = gst_check_setup_sink_pad (sel, &sinktemplate, NULL);
+
+  output_pads = g_list_append (output_pads, output_pad);
+  gst_pad_set_active (output_pad, TRUE);
+  for (i = 0; i < num_input_pads; i++) {
+    input_pads = g_list_append (input_pads, setup_input_pad (sel));
+  }
+  /* add probe */
+  probe_id = gst_pad_add_data_probe (output_pad, G_CALLBACK (probe_cb), NULL);
+  g_object_set_data (G_OBJECT (output_pad), "probe_id",
+      GINT_TO_POINTER (probe_id));
+
+  /* run the test */
+  fail_unless (gst_element_set_state (sel,
+          GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
+      "could not set to playing");
+  push_switched_buffers (input_pads, sel, input_pads, num_buffers_per_input);
+  count_output_buffers (output_pads, (num_input_pads * num_buffers_per_input));
+  fail_unless (gst_element_set_state (sel,
+          GST_STATE_NULL) == GST_STATE_CHANGE_SUCCESS, "could not set to null");
+
+  /* clean up */
+  gst_pad_remove_data_probe (output_pad, probe_id);
+  gst_pad_set_active (output_pad, FALSE);
+  gst_check_teardown_sink_pad (sel);
+  selector_set_active_pad (sel, NULL);  // unref input-selector active pad
+  g_list_foreach (input_pads, (GFunc) cleanup_pad, sel);
+  g_list_free (input_pads);
+  g_list_free (output_pads);
+  gst_check_teardown_element (sel);
+}
+
+/* Push buffers to input pad and check the 
+   amount of buffers arrived to output pads */
+GST_START_TEST (test_output_selector_buffer_count);
+{
+  gint i, j;
+
+  for (i = 0; i < NUM_SELECTOR_PADS; i++) {
+    for (j = 0; j < NUM_INPUT_BUFFERS; j++) {
+      run_output_selector_buffer_count (i, j);
+    }
+  }
+}
+
+GST_END_TEST;
+
+/* Push buffers to input pads and check the 
+   amount of buffers arrived to output pad */
+GST_START_TEST (test_input_selector_buffer_count);
+{
+  gint i, j;
+
+  for (i = 0; i < NUM_SELECTOR_PADS; i++) {
+    for (j = 0; j < NUM_INPUT_BUFFERS; j++) {
+      run_input_selector_buffer_count (i, j);
+    }
+  }
+}
+
+GST_END_TEST;
+
+Suite *
+selector_suite (void)
+{
+  Suite *s = suite_create ("selector");
+  TCase *tc_chain = tcase_create ("general");
+
+  suite_add_tcase (s, tc_chain);
+  tcase_add_test (tc_chain, test_output_selector_buffer_count);
+  tcase_add_test (tc_chain, test_input_selector_buffer_count);
+
+  return s;
+}
+
+GST_CHECK_MAIN (selector);