+int mixer_is_mute(int i)
+{
+ return !mixer_get(i);
+}
+
+#define mixer_to_255(i, x) x * 2.55
+
+void parse_mixer_arg(struct text_object *obj, const char *arg)
+{
+ obj->data.l = mixer_init(arg);
+}
+
+/* chan specifies the channel to print:
+ * -1 := left channel
+ * 0 := channel average
+ * 1 := right channel
+ */
+static void print_mixer_chan(struct text_object *obj, int chan, char *p, int p_max_size)
+{
+ int val;
+
+ if (chan < 0)
+ val = mixer_get_left(obj->data.l);
+ else if (chan == 0)
+ val = mixer_get_avg(obj->data.l);
+ else
+ val = mixer_get_right(obj->data.l);
+
+ percent_print(p, p_max_size, val);
+}
+
+void print_mixer(struct text_object *obj, char *p, int p_max_size)
+{
+ print_mixer_chan(obj, 0, p, p_max_size);
+}
+
+void print_mixerl(struct text_object *obj, char *p, int p_max_size)
+{
+ print_mixer_chan(obj, -1, p, p_max_size);
+}
+
+void print_mixerr(struct text_object *obj, char *p, int p_max_size)
+{
+ print_mixer_chan(obj, 1, p, p_max_size);
+}
+
+int check_mixer_muted(struct text_object *obj)
+{
+ if (!mixer_is_mute(obj->data.l))
+ return 0;
+ return 1;
+}
+
+void scan_mixer_bar(struct text_object *obj, const char *arg)
+{
+ char buf1[64];
+ int n;
+
+ if (arg && sscanf(arg, "%63s %n", buf1, &n) >= 1) {
+ obj->data.i = mixer_init(buf1);
+ scan_bar(obj, arg + n);
+ } else {
+ obj->data.i = mixer_init(NULL);
+ scan_bar(obj, arg);
+ }
+}
+
+/* see print_mixer() above for a description of 'chan' */
+static void print_mixer_bar_chan(struct text_object *obj, int chan, char *p, int p_max_size)
+{
+ int val;
+
+ if (!p_max_size)
+ return;
+
+ if (chan < 0)
+ val = mixer_get_left(obj->data.i);
+ else if (chan == 0)
+ val = mixer_get_avg(obj->data.i);
+ else
+ val = mixer_get_right(obj->data.i);
+
+ new_bar(obj, p, p_max_size, mixer_to_255(obj->data.i, val));
+}
+
+void print_mixer_bar(struct text_object *obj, char *p, int p_max_size)
+{
+ print_mixer_bar_chan(obj, 0, p, p_max_size);
+}
+
+void print_mixerl_bar(struct text_object *obj, char *p, int p_max_size)
+{
+ print_mixer_bar_chan(obj, -1, p, p_max_size);
+}
+
+void print_mixerr_bar(struct text_object *obj, char *p, int p_max_size)
+{
+ print_mixer_bar_chan(obj, 1, p, p_max_size);
+}