gstreamer/tests/check/elements/alsa.c

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/* 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>
#include <gst/interfaces/mixer.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) {
const gchar *device;
GValue *val;
val = g_value_array_get_nth (arr, i);
fail_unless (val != NULL);
fail_unless (G_VALUE_HOLDS_STRING (val));
device = g_value_get_string (val);
fail_unless (device != NULL);
GST_LOG_OBJECT (element, "device[%d] = %s", i, device);
}
g_value_array_free (arr);
} else {
GST_LOG_OBJECT (element, "no devices found");
}
gst_object_unref (element);
}
}
GST_END_TEST;
GST_START_TEST (test_alsa_mixer_track)
{
GstStateChangeReturn state_ret;
GstElement *mixer;
GList *tracks, *l;
mixer = gst_element_factory_make ("alsamixer", "alsamixer");
fail_unless (mixer != NULL, "Failed to create 'alsamixer' element!");
state_ret = gst_element_set_state (mixer, GST_STATE_READY);
if (state_ret != GST_STATE_CHANGE_SUCCESS) {
gst_object_unref (mixer);
return;
}
GST_LOG ("opened alsamixer");
fail_unless (GST_IS_MIXER (mixer), "is not a GstMixer?!");
tracks = (GList *) gst_mixer_list_tracks (GST_MIXER (mixer));
for (l = tracks; l != NULL; l = l->next) {
GstMixerTrack *track;
gchar *ulabel = NULL, *label = NULL;
track = GST_MIXER_TRACK (l->data);
g_object_get (track, "label", &label, "untranslated-label", &ulabel, NULL);
fail_unless (label == NULL || g_utf8_validate (label, -1, NULL));
if (ulabel != NULL) {
gchar *p;
for (p = ulabel; p != NULL && *p != '\0'; ++p) {
fail_unless (g_ascii_isprint (*p),
"untranslated label '%s' not printable ASCII", ulabel);
}
}
GST_DEBUG ("%s: %s", GST_STR_NULL (ulabel), GST_STR_NULL (label));
g_free (label);
g_free (ulabel);
}
fail_unless_equals_int (gst_element_set_state (mixer, GST_STATE_NULL),
GST_STATE_CHANGE_SUCCESS);
gst_object_unref (mixer);
}
GST_END_TEST;
static 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);
tcase_add_test (tc_chain, test_alsa_mixer_track);
return s;
}
GST_CHECK_MAIN (alsa)