gst/debug/: add new extensible and configurable testing element. Current tests include buffer count, stream length, t...

Original commit message from CVS:
* gst/debug/testplugin.c:
* gst/debug/tests.c:
* gst/debug/tests.h:
add new extensible and configurable testing element. Current tests
include buffer count, stream length, timestamp/duration matching and
md5.
* gst/debug/Makefile.am:
* gst/debug/gstdebug.c: (plugin_init):
add infrastructure for new element

1 files changed, 261 insertions, 0 deletions

diff --git a/gst/debug/testplugin.c b/gst/debug/testplugin.c
new file mode 100644
index 00000000..26c5fa99
--- /dev/null
+++ b/gst/debug/testplugin.c
@@ -0,0 +1,261 @@
+/* GStreamer
+ * Copyright (C) 2004 Benjamin Otte <otte@gnome.org>
+ *
+ * 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.
+ */
+
+#ifdef HAVE_CONFIG_H
+#  include "config.h"
+#endif
+
+#include <gst/gst.h>
+#include "tests.h"
+
+GST_DEBUG_CATEGORY_STATIC (gst_test_debug);
+#define GST_CAT_DEFAULT gst_test_debug
+
+/* This plugin does all the tests registered in the tests.h file
+ */
+
+#define GST_TYPE_TEST \
+  (gst_test_get_type())
+#define GST_TEST(obj) \
+  (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_TEST,GstTest))
+#define GST_TEST_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_TEST,GstTestClass))
+#define GST_TEST_GET_CLASS(obj) \
+  (G_TYPE_INSTANCE_GET_CLASS ((obj),GST_TYPE_TEST,GstTestClass))
+#define GST_IS_TEST(obj) \
+  (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_TEST))
+#define GST_IS_TEST_CLASS(obj) \
+  (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_TEST))
+
+typedef struct _GstTest GstTest;
+typedef struct _GstTestClass GstTestClass;
+
+struct _GstTest
+{
+  GstElement element;
+
+  GstPad *sinkpad;
+
+  gpointer tests[TESTS_COUNT];
+  GValue values[TESTS_COUNT];
+};
+
+struct _GstTestClass
+{
+  GstElementClass parent_class;
+
+  gchar *param_names[2 * TESTS_COUNT];
+};
+
+GST_BOILERPLATE (GstTest, gst_test, GstElement, GST_TYPE_ELEMENT)
+
+     static void gst_test_set_property (GObject * object,
+    guint prop_id, const GValue * value, GParamSpec * pspec);
+     static void gst_test_get_property (GObject * object,
+    guint prop_id, GValue * value, GParamSpec * pspec);
+
+     static void gst_test_chain (GstPad * pad, GstData * _data);
+
+     static void gst_test_base_init (gpointer g_class)
+{
+  static GstElementDetails details = GST_ELEMENT_DETAILS ("gsttestsink",
+      "Testing",
+      "perform a number of tests",
+      "Benjamin Otte <otte@gnome>");
+  GstElementClass *gstelement_class = GST_ELEMENT_CLASS (g_class);
+
+  gst_element_class_set_details (gstelement_class, &details);
+}
+
+static void
+gst_test_class_init (GstTestClass * klass)
+{
+  GObjectClass *object = G_OBJECT_CLASS (klass);
+  guint i;
+
+  object->set_property = GST_DEBUG_FUNCPTR (gst_test_set_property);
+  object->get_property = GST_DEBUG_FUNCPTR (gst_test_get_property);
+
+  for (i = 0; i < TESTS_COUNT; i++) {
+    GParamSpec *spec;
+
+    spec = tests[i].get_spec (&tests[i], FALSE);
+    klass->param_names[2 * i] = g_strdup (g_param_spec_get_name (spec));
+    g_object_class_install_property (object, 2 * i + 1, spec);
+    spec = tests[i].get_spec (&tests[i], TRUE);
+    klass->param_names[2 * i + 1] = g_strdup (g_param_spec_get_name (spec));
+    g_object_class_install_property (object, 2 * i + 2, spec);
+  }
+}
+
+static void
+gst_test_init (GstTest * test)
+{
+  GstTestClass *klass;
+  guint i;
+
+  GST_FLAG_SET (test, GST_ELEMENT_EVENT_AWARE);
+
+  test->sinkpad = gst_pad_new ("sink", GST_PAD_SINK);
+  gst_element_add_pad (GST_ELEMENT (test), test->sinkpad);
+  gst_pad_set_chain_function (test->sinkpad,
+      GST_DEBUG_FUNCPTR (gst_test_chain));
+
+  klass = GST_TEST_GET_CLASS (test);
+  for (i = 0; i < TESTS_COUNT; i++) {
+    GParamSpec *spec = g_object_class_find_property (G_OBJECT_CLASS (klass),
+        klass->param_names[2 * i + 1]);
+
+    g_value_init (&test->values[i], G_PARAM_SPEC_VALUE_TYPE (spec));
+  }
+}
+
+static void
+tests_unset (GstTest * test)
+{
+  guint i;
+
+  for (i = 0; i < TESTS_COUNT; i++) {
+    if (test->tests[i]) {
+      tests[i].free (test->tests[i]);
+      test->tests[i] = NULL;
+    }
+  }
+}
+
+static void
+tests_set (GstTest * test)
+{
+  guint i;
+
+  for (i = 0; i < TESTS_COUNT; i++) {
+    g_assert (test->tests[i] == NULL);
+    test->tests[i] = tests[i].new (&tests[i]);
+  }
+}
+
+static void
+gst_test_chain (GstPad * pad, GstData * data)
+{
+  guint i;
+  GstTest *test = GST_TEST (gst_pad_get_parent (pad));
+  GstTestClass *klass = GST_TEST_GET_CLASS (test);
+
+  if (GST_IS_EVENT (data)) {
+    GstEvent *event = GST_EVENT (data);
+
+    switch (GST_EVENT_TYPE (event)) {
+      case GST_EVENT_DISCONTINUOUS:
+        if (GST_EVENT_DISCONT_NEW_MEDIA (event)) {
+          tests_unset (test);
+          tests_set (test);
+        }
+        break;
+      case GST_EVENT_EOS:
+        g_object_freeze_notify (G_OBJECT (test));
+        for (i = 0; i < TESTS_COUNT; i++) {
+          if (test->tests[i]) {
+            if (!tests[i].finish (test->tests[i], &test->values[i])) {
+              GValue v = { 0, };
+              gchar *real, *expected;
+
+              expected = gst_value_serialize (&test->values[i]);
+              g_value_init (&v, G_VALUE_TYPE (&test->values[i]));
+              g_object_get_property (G_OBJECT (test), klass->param_names[2 * i],
+                  &v);
+              real = gst_value_serialize (&v);
+              g_value_unset (&v);
+              GST_ELEMENT_ERROR (test, STREAM, FORMAT, (NULL),
+                  ("test %s returned value \"%s\" and not expected value \"%s\"",
+                      klass->param_names[2 * i], real, expected));
+              g_free (real);
+              g_free (expected);
+            }
+            g_object_notify (G_OBJECT (test), klass->param_names[2 * i]);
+          }
+        }
+        g_object_thaw_notify (G_OBJECT (test));
+        break;
+      default:
+        break;
+    }
+    gst_pad_event_default (pad, event);
+    return;
+  }
+
+  for (i = 0; i < TESTS_COUNT; i++) {
+    if (test->tests[i]) {
+      tests[i].add (test->tests[i], GST_BUFFER (data));
+    }
+  }
+  gst_data_unref (data);
+}
+
+static void
+gst_test_set_property (GObject * object, guint prop_id,
+    const GValue * value, GParamSpec * pspec)
+{
+  GstTest *test = GST_TEST (object);
+
+  if (prop_id == 0 || prop_id > 2 * TESTS_COUNT) {
+    G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+    return;
+  }
+
+  if (prop_id % 2) {
+    /* real values can't be set */
+    G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+  } else {
+    /* expected values */
+    g_value_copy (value, &test->values[prop_id / 2 - 1]);
+  }
+}
+
+static void
+gst_test_get_property (GObject * object, guint prop_id, GValue * value,
+    GParamSpec * pspec)
+{
+  GstTest *test = GST_TEST (object);
+  guint id = (prop_id - 1) / 2;
+
+  if (prop_id == 0 || prop_id > 2 * TESTS_COUNT) {
+    G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+    return;
+  }
+
+  if (prop_id % 2) {
+    /* real values */
+    tests[id].get_value (test->tests[id], value);
+  } else {
+    /* expected values */
+    g_value_copy (&test->values[id], value);
+  }
+}
+
+gboolean
+gst_test_plugin_init (GstPlugin * plugin)
+{
+  if (!gst_element_register (plugin, "testsink", GST_RANK_NONE, GST_TYPE_TEST))
+    return FALSE;
+
+  GST_DEBUG_CATEGORY_INIT (gst_test_debug, "testsink", 0,
+      "debugging category for testsink element");
+
+  return TRUE;
+}