-/*
+/* -*- mode: c; c-basic-offset: 4; tab-width: 4; indent-tabs-mode: t -*-
+ * vim: ts=4 sw=4 noet ai cindent syntax=c
+ *
* Conky, a system monitor, based on torsmo
*
- * This program is licensed under BSD license, read COPYING
+ * Any original torsmo code is licensed under the BSD license
+ *
+ * All code written since the fork of torsmo is licensed under the GPL
+ *
+ * Please see COPYING for details
+ *
+ * Copyright (c) 2004, Hannu Saransaari and Lauri Hakkarainen
+ * Copyright (c) 2005-2010 Brenden Matthews, Philip Kovacs, et. al.
+ * (see AUTHORS)
+ * All rights reserved.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
*
- * $Id$
*/
+#include "conky.h"
+#include "logging.h"
+#include "specials.h"
+#include "text_object.h"
#include <sys/ioctl.h>
-
#include <errno.h>
#include <fcntl.h>
-#include <string.h>
-#include <stdlib.h>
+#include <ctype.h>
-#include "conky.h"
+#ifdef MIXER_IS_ALSA
+#include <alsa/asoundlib.h>
+#else
#ifdef HAVE_LINUX_SOUNDCARD_H
#include <linux/soundcard.h>
#else
#include <soundcard.h>
#else
#include <sys/soundcard.h>
-#endif /* __OpenBSD__ */
-#endif /* HAVE_LINUX_SOUNDCARD_H */
+#endif /* __OpenBSD__ */
+#endif /* HAVE_LINUX_SOUNDCARD_H */
+#endif /* MIXER_IS_ALSA */
#define MIXER_DEV "/dev/mixer"
+#ifdef MIXER_IS_ALSA
+#define MAX_MIXERS 8
+struct mixer_control {
+ char name[64];
+ snd_mixer_t *mixer;
+ snd_mixer_selem_id_t *sid;
+ snd_mixer_elem_t *elem;
+ long vol_min, vol_max;
+};
+
+static struct mixer_control mixer_data[MAX_MIXERS];
+int num_mixers = 0;
+static char soundcard[64] = "default";
+#else
static int mixer_fd;
static const char *devs[] = SOUND_DEVICE_NAMES;
+#endif
+
+#ifdef MIXER_IS_ALSA
+static int parse_simple_id(const char *str, snd_mixer_selem_id_t *sid)
+{
+ int c, size;
+ char buf[128];
+ char *ptr = buf;
+
+ while (*str == ' ' || *str == '\t')
+ str++;
+ if (!(*str))
+ return -EINVAL;
+ size = 1; /* for '\0' */
+ if (*str != '"' && *str != '\'') {
+ while (*str && *str != ',') {
+ if (size < (int)sizeof(buf)) {
+ *ptr++ = *str;
+ size++;
+ }
+ str++;
+ }
+ } else {
+ c = *str++;
+ while (*str && *str != c) {
+ if (size < (int)sizeof(buf)) {
+ *ptr++ = *str;
+ size++;
+ }
+ str++;
+ }
+ if (*str == c)
+ str++;
+ }
+ if (*str == '\0') {
+ snd_mixer_selem_id_set_index(sid, 0);
+ *ptr = 0;
+ goto _set;
+ }
+ if (*str != ',')
+ return -EINVAL;
+ *ptr = 0; /* terminate the string */
+ str++;
+ if (!isdigit(*str))
+ return -EINVAL;
+ snd_mixer_selem_id_set_index(sid, atoi(str));
+ _set:
+ snd_mixer_selem_id_set_name(sid, buf);
+ return 0;
+}
+
+int mixer_init (const char *name)
+{
+ /* from amixer.c, replaced -EINVAL with -1 */
+ int i, err;
+ if (!name)
+ name = "Master";
+
+ for (i = 0; i < num_mixers; i++) {
+ if (!strcasecmp (mixer_data[i].name, name)) {
+ return i;
+ }
+ }
+ if (i == MAX_MIXERS) {
+ fprintf (stderr, "max mixers (%d) reached\n", MAX_MIXERS);
+ return -1;
+ };
+
+ num_mixers++;
+#define data mixer_data[i]
+
+ strncpy (mixer_data[i].name, name, 63);
+ mixer_data[i].name[63] = '\0';
+ snd_mixer_selem_id_alloca (&data.sid);
+ data.mixer = NULL;
+ if (parse_simple_id (name, data.sid) < 0) {
+ fprintf (stderr, "Wrong mixer identifier: %s\n", name);
+ return -1;
+ }
+ if ((err = snd_mixer_open (&data.mixer, 0)) < 0) {
+ fprintf (stderr, "snd_mixer_open: %s\n", snd_strerror (err));
+ return -1;
+ }
+ if ((err = snd_mixer_attach (data.mixer, soundcard)) < 0) {
+ fprintf (stderr, "snd_mixer_attach: %s\n", snd_strerror (err));
+ return -1;
+ }
+ if ((err = snd_mixer_selem_register (data.mixer, NULL, NULL)) < 0) {
+ fprintf (stderr, "snd_mixer_selem_register: %s\n",
+ snd_strerror (err));
+ return -1;
+ }
+ if ((err = snd_mixer_load (data.mixer)) < 0) {
+ fprintf (stderr, "snd_mixer_load: %s\n", snd_strerror (err));
+ return -1;
+ }
+ if (!(data.elem = snd_mixer_find_selem (data.mixer, data.sid))) {
+ fprintf (stderr, "snd_mixer_find_selem (\"%s\", %i)\n",
+ snd_mixer_selem_id_get_name (data.sid),
+ snd_mixer_selem_id_get_index (data.sid));
+ return -1;
+ }
+ snd_mixer_selem_get_playback_volume_range(data.elem, &data.vol_min, &data.vol_max);
+ return i;
+}
+static int mixer_get_avg (int i)
+{
+ long val;
+
+ snd_mixer_handle_events (data.mixer);
+ snd_mixer_selem_get_playback_volume (data.elem, 0, &val);
+ if(data.vol_max != 100) {
+ float avgf = ((float)val / data.vol_max) * 100;
+ int avg = (int)avgf;
+ return (avgf - avg < 0.5) ? avg : avg + 1;
+ }
+ return (int) val;
+}
+static int mixer_get_left (int i)
+{
+ /* stub */
+ return mixer_get_avg (i);
+}
+static int mixer_get_right (int i)
+{
+ /* stub */
+ return mixer_get_avg (i);
+}
+int mixer_to_255(int i, int x)
+{
+ return (x-data.vol_min)*255/(data.vol_max-data.vol_min);
+}
+int mixer_is_mute(int i)
+{
+ snd_mixer_handle_events (data.mixer);
+ if (snd_mixer_selem_has_playback_switch (data.elem)) {
+ int val, err;
+ if ((err = snd_mixer_selem_get_playback_switch(data.elem, 0, &val)) < 0)
+ fprintf (stderr, "playback_switch: %s\n", snd_strerror (err));
+ return !val;
+ } else {
+ return !mixer_get_avg(i);
+ }
+}
+#undef data
+#else /* MIXER_IS_ALSA */
int mixer_init(const char *name)
{
unsigned int i;
- if (name == 0 || name[0] == '\0')
+ if (name == 0 || name[0] == '\0') {
name = "vol";
+ }
/* open mixer */
if (mixer_fd <= 0) {
mixer_fd = open(MIXER_DEV, O_RDONLY);
if (mixer_fd == -1) {
- ERR("can't open %s: %s", MIXER_DEV,
- strerror(errno));
+ NORM_ERR("can't open %s: %s", MIXER_DEV, strerror(errno));
return -1;
}
}
int val = -1;
if (ioctl(mixer_fd, MIXER_READ(i), &val) == -1) {
- if (!rep)
- ERR("mixer ioctl: %s", strerror(errno));
+ if (!rep) {
+ NORM_ERR("mixer ioctl: %s", strerror(errno));
+ }
rep = 1;
return 0;
}
return val;
}
-int mixer_get_avg(int i)
+static int mixer_get_avg(int i)
{
int v = mixer_get(i);
+
return ((v >> 8) + (v & 0xFF)) / 2;
}
-int mixer_get_left(int i)
+static int mixer_get_left(int i)
{
return mixer_get(i) >> 8;
}
-int mixer_get_right(int i)
+static int mixer_get_right(int i)
{
return mixer_get(i) & 0xFF;
}
+int mixer_is_mute(int i)
+{
+ return !mixer_get(i);
+}
+
+#define mixer_to_255(i, x) x * 2.55
+#endif /* MIXER_IS_ALSA */
+
+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);
+}
projects / monky / blobdiff