1 files changed, 184 insertions, 0 deletions
diff --git a/check/elements/level.c b/check/elements/level.c
new file mode 100644
index 00000000..d36e9f29
--- /dev/null
+++ b/check/elements/level.c
@@ -0,0 +1,184 @@
+/* GStreamer
+ *
+ * unit test for level
+ *
+ * Copyright (C) <2005> Thomas Vander Stichele <thomas at apestaart dot 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.
+ */
+
+#include <unistd.h>
+
+#include <gst/check/gstcheck.h>
+
+GList *buffers = NULL;
+gboolean have_eos = FALSE;
+
+/* For ease of programming we use globals to keep refs for our floating
+ * src and sink pads we create; otherwise we always have to do get_pad,
+ * get_peer, and then remove references in every test function */
+GstPad *mysrcpad, *mysinkpad;
+
+#define LEVEL_CAPS_TEMPLATE_STRING \
+  "audio/x-raw-int, " \
+    "rate = (int) [ 1, MAX ], " \
+    "channels = (int) [ 1, 8 ], " \
+    "endianness = (int) BYTE_ORDER, " \
+    "width = (int) {8, 16}, " \
+    "depth = (int) {8, 16}, " \
+    "signed = (boolean) true"
+
+#define LEVEL_CAPS_STRING \
+  "audio/x-raw-int, " \
+    "rate = (int) 1000, " \
+    "channels = (int) 2, " \
+    "endianness = (int) BYTE_ORDER, " \
+    "width = (int) 16, " \
+    "depth = (int) 16, " \
+    "signed = (boolean) true"
+
+
+static GstStaticPadTemplate sinktemplate = GST_STATIC_PAD_TEMPLATE ("sink",
+    GST_PAD_SINK,
+    GST_PAD_ALWAYS,
+    GST_STATIC_CAPS (LEVEL_CAPS_TEMPLATE_STRING)
+    );
+static GstStaticPadTemplate srctemplate = GST_STATIC_PAD_TEMPLATE ("src",
+    GST_PAD_SRC,
+    GST_PAD_ALWAYS,
+    GST_STATIC_CAPS (LEVEL_CAPS_TEMPLATE_STRING)
+    );
+
+/* takes over reference for outcaps */
+GstElement *
+setup_level ()
+{
+  GstElement *level;
+
+  GST_DEBUG ("setup_level");
+  level = gst_check_setup_element ("level");
+  mysrcpad = gst_check_setup_src_pad (level, &srctemplate, NULL);
+  mysinkpad = gst_check_setup_sink_pad (level, &sinktemplate, NULL);
+
+  return level;
+}
+
+void
+cleanup_level (GstElement * level)
+{
+  GST_DEBUG ("cleanup_level");
+
+  gst_check_teardown_src_pad (level);
+  gst_check_teardown_sink_pad (level);
+  gst_check_teardown_element (level);
+}
+
+
+GST_START_TEST (test_int16)
+{
+  GstElement *level;
+  GstBuffer *inbuffer, *outbuffer;
+  GstBus *bus;
+  GstMessage *message;
+  const GstStructure *structure;
+  int i, j;
+  gint16 *data;
+  const GValue *list, *value;
+  gdouble dB;
+
+  level = setup_level ();
+  g_object_set (level, "message", TRUE, "interval", 0.1, NULL);
+
+  fail_unless (gst_element_set_state (level,
+          GST_STATE_PLAYING) == GST_STATE_SUCCESS, "could not set to playing");
+
+  /* create a fake 0.1 sec buffer with a half-amplitude block signal */
+  inbuffer = gst_buffer_new_and_alloc (400);
+  data = (gint16 *) GST_BUFFER_DATA (inbuffer);
+  for (j = 0; j < 200; ++j) {
+    *data = 16536;
+    ++data;
+  }
+  gst_buffer_set_caps (inbuffer, gst_caps_from_string (LEVEL_CAPS_STRING));
+  ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
+
+  /* create a bus to get the level message on */
+  bus = gst_bus_new ();
+  gst_element_set_bus (level, bus);
+
+  /* pushing gives away my reference ... */
+  fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK);
+  /* ... but it ends up being collected on the global buffer list */
+  ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
+  fail_unless_equals_int (g_list_length (buffers), 1);
+  fail_if ((outbuffer = (GstBuffer *) buffers->data) == NULL);
+  fail_unless (inbuffer == outbuffer);
+
+  fail_unless_equals_int (gst_bus_poll (bus, GST_MESSAGE_APPLICATION, -1),
+      GST_MESSAGE_APPLICATION);
+  message = gst_bus_pop (bus);
+  fail_unless (GST_MESSAGE_SRC (message) == GST_OBJECT (level));
+  structure = gst_message_get_structure (message);
+  fail_if (structure == NULL);
+  fail_unless_equals_string ((char *) gst_structure_get_name (structure),
+      "level");
+
+  /* block wave of half amplitude has -5.94 dB for rms, peak and decay */
+  for (i = 0; i < 2; ++i) {
+    gchar *fields[3] = { "rms", "peak", "decay" };
+    for (j = 0; j < 3; ++j) {
+      list = gst_structure_get_value (structure, fields[j]);
+      value = gst_value_list_get_value (list, i);
+      dB = g_value_get_double (value);
+      fail_if (dB < -6.0);
+      fail_if (dB > -5.9);
+    }
+  }
+
+  gst_message_unref (message);
+}
+
+GST_END_TEST;
+
+
+Suite *
+level_suite (void)
+{
+  Suite *s = suite_create ("level");
+  TCase *tc_chain = tcase_create ("general");
+
+  suite_add_tcase (s, tc_chain);
+  tcase_add_test (tc_chain, test_int16);
+
+  return s;
+}
+
+int
+main (int argc, char **argv)
+{
+  int nf;
+
+  Suite *s = level_suite ();
+  SRunner *sr = srunner_create (s);
+
+  gst_check_init (&argc, &argv);
+
+  srunner_run_all (sr, CK_NORMAL);
+  nf = srunner_ntests_failed (sr);
+  srunner_free (sr);
+
+  return nf;
+}