1 /* GStreamer OSS4 audio tests
2 * Copyright (C) 2007-2008 Tim-Philipp Müller <tim centricular net>
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
14 * You should have received a copy of the GNU Library General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
28 #include <gst/interfaces/propertyprobe.h>
29 #include <gst/interfaces/mixer.h>
31 static gboolean opt_show_mixer_messages = FALSE;
33 #define WAIT_TIME 60.0 /* in seconds */
36 show_mixer_messages (GstElement * element)
45 gst_element_set_bus (element, bus);
47 g_print ("\nShowing mixer messages for %u seconds ...\n", (guint) WAIT_TIME);
49 while (g_timer_elapsed (t, NULL) < WAIT_TIME) {
50 gdouble remaining = WAIT_TIME - g_timer_elapsed (t, NULL);
52 GST_SECOND * gst_util_gdouble_to_guint64 (MAX (0.0, remaining));
55 msg = gst_bus_timed_pop (bus, maxwait);
60 s = gst_structure_to_string (msg->structure);
61 g_print ("%s message: %s\n", GST_MESSAGE_TYPE_NAME (msg), s);
62 gst_message_unref (msg);
66 gst_element_set_bus (element, NULL);
67 gst_object_unref (bus);
72 probe_mixer_tracks (GstElement * element)
74 const GList *tracks, *t;
78 if (!GST_IS_MIXER (element))
81 mixer = GST_MIXER (element);
82 tracks = gst_mixer_list_tracks (mixer);
83 count = g_list_length ((GList *) tracks);
84 g_print (" %d mixer tracks%c\n", count, (count == 0) ? '.' : ':');
86 for (t = tracks; t != NULL; t = t->next) {
91 track = GST_MIXER_TRACK (t->data);
92 g_object_get (track, "label", &label, "flags", &flags, NULL);
94 if (GST_IS_MIXER_OPTIONS (track)) {
98 vals = gst_mixer_options_get_values (GST_MIXER_OPTIONS (track));
99 s = g_string_new ("options: ");
100 for (v = vals; v != NULL; v = v->next) {
102 g_string_append (s, ", ");
103 g_string_append (s, (const gchar *) v->data);
106 g_print (" [%s] flags=0x%08x, %s\n", label, flags, s->str);
107 g_string_free (s, TRUE);
108 } else if (track->num_channels == 0) {
109 g_print (" [%s] flags=0x%08x, switch\n", label, flags);
110 } else if (track->num_channels > 0) {
111 g_print (" [%s] flags=0x%08x, slider (%d channels)\n", label, flags,
112 track->num_channels);
114 g_print (" [%s] flags=0x%08x, UNKNOWN TYPE\n", label, flags);
120 /* for testing the mixer watch thread / auto-notifications */
121 if (strstr (GST_ELEMENT_NAME (element), "mixer") != NULL &&
122 opt_show_mixer_messages) {
123 show_mixer_messages (element);
128 probe_pad (GstElement * element, const gchar * pad_name)
130 GstCaps *caps = NULL;
134 pad = gst_element_get_static_pad (element, pad_name);
138 caps = gst_pad_get_caps (pad);
139 g_return_if_fail (caps != NULL);
141 for (i = 0; i < gst_caps_get_size (caps); ++i) {
144 s = gst_structure_to_string (gst_caps_get_structure (caps, i));
145 g_print (" %4s[%d]: %s\n", GST_PAD_NAME (pad), i, s);
148 gst_caps_unref (caps);
149 gst_object_unref (pad);
153 probe_details (GstElement * element)
155 GstStateChangeReturn ret;
157 ret = gst_element_set_state (element, GST_STATE_READY);
158 if (ret == GST_STATE_CHANGE_FAILURE) {
159 g_print ("Could not set element %s to READY.", GST_ELEMENT_NAME (element));
163 probe_pad (element, "sink");
164 probe_pad (element, "src");
166 probe_mixer_tracks (element);
168 gst_element_set_state (element, GST_STATE_NULL);
172 probe_element (const gchar * name)
174 GstPropertyProbe *probe;
177 gchar *devname = NULL;
180 element = gst_element_factory_make (name, name);
182 /* make sure we don't deadlock on GST_ELEMENT_ERROR or do other silly things
183 * if we try to query the "device-name" property when the device isn't open */
184 g_object_set (element, "device", "/dev/does/not/exist", NULL);
185 g_object_get (element, "device-name", &devname, NULL);
186 GST_LOG ("devname: '%s'", GST_STR_NULL (devname));
187 g_assert (devname == NULL || *devname == '\0');
189 /* and now for real */
191 probe = GST_PROPERTY_PROBE (element);
192 arr = gst_property_probe_probe_and_get_values_name (probe, "device");
194 for (i = 0; arr != NULL && i < arr->n_values; ++i) {
196 gchar *dev_name = NULL;
199 /* we assume the element supports getting the device-name in NULL state */
200 val = g_value_array_get_nth (arr, i);
201 g_object_set (element, "device", g_value_get_string (val), NULL);
202 g_object_get (element, "device-name", &dev_name, NULL);
203 g_print ("%-10s device[%d] = %s (%s)\n", GST_OBJECT_NAME (element),
204 i, g_value_get_string (val), dev_name);
205 if (strstr (dev_name, "/usb")) {
206 g_print ("\n\nWARNING: going to probe USB audio device. OSS4 USB support"
207 " is still\npretty shaky, so bad things may happen (e.g. kernel "
208 "lockup).\nPress Control-C NOW if you don't want to continue. "
209 "(waiting 5secs)\n\n");
210 g_usleep (5 * G_USEC_PER_SEC);
214 probe_details (element);
218 g_value_array_free (arr);
221 gst_object_unref (element);
225 main (int argc, char **argv)
227 GOptionEntry options[] = {
228 {"show-mixer-messages", 'm', 0, G_OPTION_ARG_NONE, &opt_show_mixer_messages,
229 "For mixer elements, wait 60 seconds and show any mixer messages "
230 "(for debugging auto-notifications)", NULL},
236 if (!g_thread_supported ())
237 g_thread_init (NULL);
239 ctx = g_option_context_new ("");
240 g_option_context_add_main_entries (ctx, options, NULL);
241 g_option_context_add_group (ctx, gst_init_get_option_group ());
242 if (!g_option_context_parse (ctx, &argc, &argv, &err)) {
243 g_print ("Error initializing: %s\n", err->message);
246 g_option_context_free (ctx);
248 probe_element ("oss4sink");
249 probe_element ("oss4src");
250 probe_element ("oss4mixer");