gstreamer/tests/check/elements/alsa.c

/* GStreamer
 *
 * unit test for alsa elements
 *
 * Copyright (C) 2006  Tim-Philipp Müller  <tim centricular net>
 *
 * 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>
#include <gst/interfaces/propertyprobe.h>

/* just a simple test that runs device probing on
 * an alsasrc, alsasink and alsamixer instance */

GST_START_TEST (test_device_property_probe)
{
  const gchar *elements[] = { "alsasink", "alsasrc", "alsamixer" };
  gint n;

  for (n = 0; n < G_N_ELEMENTS (elements); ++n) {
    GstPropertyProbe *probe;
    GValueArray *arr;
    GstElement *element;
    gint i;

    element = gst_element_factory_make (elements[n], elements[n]);
    fail_unless (element != NULL);

    probe = GST_PROPERTY_PROBE (element);
    fail_unless (probe != NULL);

    arr = gst_property_probe_probe_and_get_values_name (probe, "device");
    if (arr) {
      for (i = 0; i < arr->n_values; ++i) {
        GValue *val;

        val = g_value_array_get_nth (arr, i);
        fail_unless (val != NULL);
        fail_unless (G_VALUE_HOLDS_STRING (val));

        GST_LOG_OBJECT (element, "device[%d] = %s", i,
            g_value_get_string (val));
      }
      g_value_array_free (arr);
    } else {
      GST_LOG_OBJECT (element, "no devices found");
    }

    gst_object_unref (element);
  }
}

GST_END_TEST;

Suite *
alsa_suite (void)
{
  Suite *s = suite_create ("alsa");
  TCase *tc_chain = tcase_create ("general");

  suite_add_tcase (s, tc_chain);
  tcase_add_test (tc_chain, test_device_property_probe);

  return s;
}

int
main (int argc, char **argv)
{
  int nf;

  Suite *s = alsa_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;
}