* 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.
*
#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;
-}
-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);
- 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;
return !mixer_get(i);
}
-#define mixer_to_255(i, x) x
-#endif /* MIXER_IS_ALSA */
+#define mixer_to_255(i, x) x * 2.55
void parse_mixer_arg(struct text_object *obj, const char *arg)
{
return 1;
}
-#ifdef X11
void scan_mixer_bar(struct text_object *obj, const char *arg)
{
char buf1[64];
else
val = mixer_get_right(obj->data.i);
- new_bar(obj, p, mixer_to_255(obj->data.i, val));
+ 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, 1, p, p_max_size);
}
-
-#endif /* X11 */
projects / monky / blobdiff