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tests/check/pipelines/vorbisdec.c

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+/* GStreamer
+ *
+ * unit test for vorbisdec
+ *
+ * Copyright (C) 2007 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 <gst/check/gstcheck.h>
+#include <gst/check/gstbufferstraw.h>
+
+#ifndef GST_DISABLE_PARSE
+
+GMainLoop *loop;
+gint messages = 0;
+
+void
+element_message_cb (GstBus * bus, GstMessage * message, gpointer user_data)
+{
+  gchar *s;
+
+  s = gst_structure_to_string (gst_message_get_structure (message));
+  GST_DEBUG ("Received message: %s", s);
+  g_free (s);
+
+  messages++;
+}
+
+void
+eos_message_cb (GstBus * bus, GstMessage * message, gpointer user_data)
+{
+  GST_DEBUG ("Received eos");
+  g_main_loop_quit (loop);
+}
+
+GST_START_TEST (test_timestamps)
+{
+  GstElement *pipeline;
+  gchar *pipe_str;
+  GstBus *bus;
+  GError *error = NULL;
+
+  pipe_str = g_strdup_printf ("audiotestsrc num-buffers=100"
+      " ! audio/x-raw-int,rate=44100 ! audioconvert ! vorbisenc ! vorbisdec"
+      " ! identity check-imperfect-timestamp=TRUE ! fakesink");
+
+  pipeline = gst_parse_launch (pipe_str, &error);
+  fail_unless (pipeline != NULL, "Error parsing pipeline: %s",
+      error ? error->message : "(invalid error)");
+  g_free (pipe_str);
+
+  bus = gst_element_get_bus (pipeline);
+  fail_if (bus == NULL);
+  gst_bus_add_signal_watch (bus);
+  g_signal_connect (bus, "message::element", (GCallback) element_message_cb,
+      NULL);
+  g_signal_connect (bus, "message::eos", (GCallback) eos_message_cb, NULL);
+
+  gst_element_set_state (pipeline, GST_STATE_PLAYING);
+
+  /* run until we receive EOS */
+  loop = g_main_loop_new (NULL, FALSE);
+
+  g_main_loop_run (loop);
+
+  gst_element_set_state (pipeline, GST_STATE_NULL);
+
+  /* FIXME: there seems to be a bug in vorbisdec on decoding the last packet
+   * where it calculates the timestamp based on the granulepos of the incoming
+   * packet and subtracting the number of samples it can decode, which can
+   * result in a discontinuity in timestamps.
+   * See http://bugzilla.gnome.org/show_bug.cgi?id=423086 
+   * Fix that bug and drop this number to 0.
+   */
+  fail_if (messages > 1, "Received imperfect timestamp messages");
+  gst_object_unref (pipeline);
+}
+
+GST_END_TEST;
+#endif /* #ifndef GST_DISABLE_PARSE */
+
+Suite *
+vorbisenc_suite (void)
+{
+  Suite *s = suite_create ("vorbisenc");
+  TCase *tc_chain = tcase_create ("general");
+
+  suite_add_tcase (s, tc_chain);
+#ifndef GST_DISABLE_PARSE
+  tcase_add_test (tc_chain, test_timestamps);
+#endif
+
+  return s;
+}
+
+int
+main (int argc, char **argv)
+{
+  int nf;
+
+  Suite *s = vorbisenc_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;
+}