/* -*- 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
*
* Please see COPYING for details
*
* Copyright (c) 2004, Hannu Saransaari and Lauri Hakkarainen
- * Copyright (c) 2005-2009 Brenden Matthews, Philip Kovacs, et. al.
+ * Copyright (c) 2005-2010 Brenden Matthews, Philip Kovacs, et. al.
* (see AUTHORS)
* All rights reserved.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
- * vim: ts=4 sw=4 noet ai cindent syntax=c
- *
*/
#include "conky.h"
#include "logging.h"
+#include "specials.h"
+#include "text_object.h"
#include <sys/ioctl.h>
#include <errno.h>
#include <fcntl.h>
#include <ctype.h>
-#ifdef MIXER_IS_ALSA
-#include <alsa/asoundlib.h>
-#else
#ifdef HAVE_LINUX_SOUNDCARD_H
#include <linux/soundcard.h>
#else
#include <sys/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;
-}
-int mixer_get_avg (int i)
-{
- long val;
-
- snd_mixer_handle_events (data.mixer);
- snd_mixer_selem_get_playback_volume (data.elem, 0, &val);
- return (int) val;
-}
-int mixer_get_left (int i)
-{
- /* stub */
- return mixer_get_avg (i);
-}
-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
int mixer_init(const char *name)
{
unsigned int i;
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;
}
}
if (ioctl(mixer_fd, MIXER_READ(i), &val) == -1) {
if (!rep) {
- ERR("mixer ioctl: %s", strerror(errno));
+ 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;
}
{
return !mixer_get(i);
}
-#endif
+
+#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);
+}
projects / monky / blobdiff