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authorMichal Ratajsky <[email protected]>2014-06-13 17:36:14 +0200
committerMichal Ratajsky <[email protected]>2014-06-13 17:36:14 +0200
commita2290d5e13ccee88fd9ae66a3895eb4da646f81f (patch)
tree4948171de11f476e5a0b7d7d44bdbad8b422d812 /examples
parent7cf09a2b40a507caf2bea0c54af00da84a8f88af (diff)
downloadlibmatemixer-a2290d5e13ccee88fd9ae66a3895eb4da646f81f.tar.bz2
libmatemixer-a2290d5e13ccee88fd9ae66a3895eb4da646f81f.tar.xz
Weekly update
Diffstat (limited to 'examples')
-rw-r--r--examples/Makefile.am15
-rw-r--r--examples/monitor.c270
2 files changed, 285 insertions, 0 deletions
diff --git a/examples/Makefile.am b/examples/Makefile.am
new file mode 100644
index 0000000..820a0f3
--- /dev/null
+++ b/examples/Makefile.am
@@ -0,0 +1,15 @@
+AM_CPPFLAGS = \
+ -I$(top_srcdir) \
+ $(GLIB_CFLAGS)
+
+noinst_PROGRAMS = matemixer-monitor
+
+matemixer_monitor_SOURCES = monitor.c
+
+matemixer_monitor_LDADD = \
+ $(GLIB_LIBS) \
+ $(top_builddir)/libmatemixer/libmatemixer.la
+
+EXTRA_DIST = monitor.c
+
+-include $(top_srcdir)/git.mk
diff --git a/examples/monitor.c b/examples/monitor.c
new file mode 100644
index 0000000..3759073
--- /dev/null
+++ b/examples/monitor.c
@@ -0,0 +1,270 @@
+/*
+ * Copyright (C) 2014 Michal Ratajsky <[email protected]>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the licence, 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <glib.h>
+#include <glib-object.h>
+#include <glib-unix.h>
+#include <locale.h>
+
+#include <libmatemixer/matemixer.h>
+
+static MateMixerControl *control;
+
+static gchar *
+create_volume_bar (MateMixerStream *stream, double *percent)
+{
+ GString *string;
+ gint64 volume;
+ gint64 volume_min;
+ gint64 volume_max;
+ double p;
+ int i;
+ int length = 30;
+ int stars;
+
+ volume = mate_mixer_stream_get_volume (stream);
+ volume_min = mate_mixer_stream_get_min_volume (stream);
+ volume_max = mate_mixer_stream_get_normal_volume (stream);
+
+ string = g_string_new ("[");
+
+ p = (double) (volume - volume_min) / (volume_max - volume_min) * 100;
+ if (percent != NULL)
+ *percent = p;
+
+ stars = (int) ((p / 100) * length);
+
+ for (i = 0; i < length; i++)
+ g_string_append_c (string, (i < stars) ? '*' : '.');
+
+ return g_string_free (g_string_append_c (string, ']'), FALSE);
+}
+
+static void
+print_devices (void)
+{
+ const GList *devices;
+ const GList *ports;
+ const GList *profiles;
+ MateMixerProfile *active_profile;
+
+ devices = mate_mixer_control_list_devices (control);
+
+ while (devices) {
+ MateMixerDevice *device = MATE_MIXER_DEVICE (devices->data);
+
+ g_print ("Device %s\n"
+ " |-| Description : %s\n"
+ " |-| Icon Name : %s\n\n",
+ mate_mixer_device_get_name (device),
+ mate_mixer_device_get_description (device),
+ mate_mixer_device_get_icon (device));
+
+ ports = mate_mixer_device_list_ports (device);
+ while (ports) {
+ MateMixerPort *port = MATE_MIXER_PORT (ports->data);
+
+ g_print (" |-| Port %s\n"
+ " |-| Description : %s\n"
+ " |-| Icon Name : %s\n"
+ " |-| Priority : %lu\n"
+ " |-| Status : \n\n",
+ mate_mixer_port_get_name (port),
+ mate_mixer_port_get_description (port),
+ mate_mixer_port_get_icon (port),
+ mate_mixer_port_get_priority (port));
+
+ ports = ports->next;
+ }
+
+ profiles = mate_mixer_device_list_profiles (device);
+
+ active_profile = mate_mixer_device_get_active_profile (device);
+ while (profiles) {
+ MateMixerProfile *profile = MATE_MIXER_PROFILE (profiles->data);
+
+ g_print (" |%c| Profile %s\n"
+ " |-| Description : %s\n"
+ " |-| Priority : %lu\n\n",
+ (profile == active_profile)
+ ? 'A'
+ : '-',
+ mate_mixer_profile_get_name (profile),
+ mate_mixer_profile_get_description (profile),
+ mate_mixer_profile_get_priority (profile));
+
+ profiles = profiles->next;
+ }
+ g_print ("\n");
+
+ devices = devices->next;
+ }
+}
+
+static void
+print_streams (void)
+{
+ const GList *streams;
+ const GList *ports;
+ const GList *profiles;
+ MateMixerProfile *active_profile;
+
+ streams = mate_mixer_control_list_streams (control);
+
+ while (streams) {
+ MateMixerStream *stream = MATE_MIXER_STREAM (streams->data);
+ gchar *volume_bar;
+ gdouble volume;
+
+ volume_bar = create_volume_bar (stream, &volume);
+
+ g_print ("Stream %s\n"
+ " |-| Description : %s\n"
+ " |-| Icon Name : %s\n"
+ " |-| Volume : %s %.1f %%\n"
+ " |-| Muted : %s\n"
+ " |-| Channels : %d\n"
+ " |-| Balance : %.1f\n"
+ " |-| Fade : %.1f\n\n",
+ mate_mixer_stream_get_name (stream),
+ mate_mixer_stream_get_description (stream),
+ mate_mixer_stream_get_icon (stream),
+ volume_bar,
+ volume,
+ mate_mixer_stream_get_mute (stream) ? "Yes" : "No",
+ mate_mixer_stream_get_num_channels (stream),
+ mate_mixer_stream_get_balance (stream),
+ mate_mixer_stream_get_fade (stream));
+
+ g_free (volume_bar);
+
+ ports = mate_mixer_stream_list_ports (stream);
+ while (ports) {
+ MateMixerPort *port = MATE_MIXER_PORT (ports->data);
+
+ g_print (" |-| Port %s\n"
+ " |-| Description : %s\n"
+ " |-| Icon Name : %s\n"
+ " |-| Priority : %lu\n"
+ " |-| Status : \n\n",
+ mate_mixer_port_get_name (port),
+ mate_mixer_port_get_description (port),
+ mate_mixer_port_get_icon (port),
+ mate_mixer_port_get_priority (port));
+
+ ports = ports->next;
+ }
+
+ streams = streams->next;
+ }
+}
+
+static void
+connected (void)
+{
+ g_print ("Connected using the %s backend.\n\n",
+ mate_mixer_control_get_backend_name (control));
+
+ print_devices ();
+ print_streams ();
+
+ g_print ("Waiting for events. Hit CTRL+C to quit.\n");
+}
+
+static void
+state_cb (void)
+{
+ MateMixerState state;
+
+ state = mate_mixer_control_get_state (control);
+
+ switch (state) {
+ case MATE_MIXER_STATE_READY:
+ connected ();
+ break;
+ case MATE_MIXER_STATE_FAILED:
+ g_printerr ("aaa");
+ break;
+ default:
+ g_assert_not_reached ();
+ break;
+ }
+}
+
+static gboolean
+signal_cb (gpointer mainloop)
+{
+ g_idle_add ((GSourceFunc) g_main_loop_quit, mainloop);
+ return FALSE;
+}
+
+int main ()
+{
+ MateMixerState state;
+ GMainLoop *mainloop;
+
+ setlocale (LC_ALL, "");
+
+ /* The library */
+
+ if (!mate_mixer_init ())
+ return 1;
+
+ control = mate_mixer_control_new ();
+
+ mate_mixer_control_set_app_name (control, "MateMixer Monitor");
+ mate_mixer_control_set_app_icon (control, "multimedia-volume-control");
+
+ if (!mate_mixer_control_open (control)) {
+ g_object_unref (control);
+ mate_mixer_deinit ();
+ return 1;
+ }
+
+ state = mate_mixer_control_get_state (control);
+
+ switch (state) {
+ case MATE_MIXER_STATE_READY:
+ connected ();
+ break;
+ case MATE_MIXER_STATE_CONNECTING:
+ g_print ("Waiting for connection...\n");
+
+ /* This state means that the result will be determined asynchronously, so
+ * let's wait until the state transitions to a different value */
+ g_signal_connect (control, "notify::state", G_CALLBACK (state_cb), NULL);
+ break;
+ default:
+ /* If mate_mixer_control_open() returns TRUE, these two are the only
+ * possible states.
+ * In case mate_mixer_control_open() returned FALSE, the current state
+ * would be MATE_MIXER_STATE_FAILED */
+ g_assert_not_reached ();
+ break;
+ }
+
+ mainloop = g_main_loop_new (NULL, FALSE);
+
+ g_unix_signal_add (SIGTERM, signal_cb, mainloop);
+ g_unix_signal_add (SIGINT, signal_cb, mainloop);
+
+ g_main_loop_run (mainloop);
+
+ g_object_unref (control);
+ mate_mixer_deinit ();
+ return 0;
+}
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