Enlightenment CVS committal
Author : devilhorns
Project : e_modules
Module : mixer
Dir : e_modules/mixer
Modified Files:
alsa_mixer.c
Log Message:
Added alsa mixer mute get/set functions.
===================================================================
RCS file: /cvs/e/e_modules/mixer/alsa_mixer.c,v
retrieving revision 1.7
retrieving revision 1.8
diff -u -3 -r1.7 -r1.8
--- alsa_mixer.c 11 Sep 2006 15:49:47 -0000 1.7
+++ alsa_mixer.c 11 Sep 2006 16:01:30 -0000 1.8
@@ -423,13 +423,121 @@
int
alsa_get_mute(int card_id, int channel_id)
{
- return 0;
+ Mixer_Card *card;
+ snd_mixer_t *handle;
+ snd_mixer_elem_t *elem;
+ snd_mixer_selem_id_t *sid;
+ int id, mute = 0;
+ const char *name;
+
+ card = alsa_get_card(card_id);
+ if (!card) return 0;
+
+ if ((err = snd_mixer_open(&handle, 0)) < 0)
+ {
+ printf("Cannot open mixer: %s\n", snd_strerror(err));
+ return 0;
+ }
+
+ if ((err = snd_mixer_attach(handle, (char *)card->name)) < 0)
+ {
+ printf("\n\nCannot Attach Mixer: %s\n\n", snd_strerror(err));
+ snd_mixer_close(handle);
+ return 0;
+ }
+
+ if ((err = snd_mixer_selem_register(handle, NULL, NULL)) < 0)
+ {
+ printf("\n\nCannot Register Mixer: %s\n\n", snd_strerror(err));
+ snd_mixer_close(handle);
+ return 0;
+ }
+
+ if ((err = snd_mixer_load(handle)) < 0)
+ {
+ printf("\n\nCannot Load Mixer: %s\n\n", snd_strerror(err));
+ snd_mixer_close(handle);
+ return 0;
+ }
+
+ for (elem = snd_mixer_first_elem(handle); elem; elem =
snd_mixer_elem_next(elem))
+ {
+ snd_mixer_selem_id_alloca(&sid);
+ snd_mixer_selem_get_id(elem, sid);
+ if (!snd_mixer_selem_is_active(elem)) continue;
+
+ name = snd_mixer_selem_id_get_name(sid);
+ id = _alsa_get_mixer_id(name);
+ if (id == channel_id)
+ {
+ if (snd_mixer_selem_has_playback_switch_joined(elem))
+ snd_mixer_selem_get_playback_switch(elem, 0, &mute);
+ break;
+ }
+ }
+
+ snd_mixer_close(handle);
+ return mute;
}
int
alsa_set_mute(int card_id, int channel_id, int mute)
{
- return 0;
+ Mixer_Card *card;
+ snd_mixer_t *handle;
+ snd_mixer_elem_t *elem;
+ snd_mixer_selem_id_t *sid;
+ int id;
+ const char *name;
+
+ card = alsa_get_card(card_id);
+ if (!card) return 0;
+
+ if ((err = snd_mixer_open(&handle, 0)) < 0)
+ {
+ printf("Cannot open mixer: %s\n", snd_strerror(err));
+ return 0;
+ }
+
+ if ((err = snd_mixer_attach(handle, (char *)card->name)) < 0)
+ {
+ printf("\n\nCannot Attach Mixer: %s\n\n", snd_strerror(err));
+ snd_mixer_close(handle);
+ return 0;
+ }
+
+ if ((err = snd_mixer_selem_register(handle, NULL, NULL)) < 0)
+ {
+ printf("\n\nCannot Register Mixer: %s\n\n", snd_strerror(err));
+ snd_mixer_close(handle);
+ return 0;
+ }
+
+ if ((err = snd_mixer_load(handle)) < 0)
+ {
+ printf("\n\nCannot Load Mixer: %s\n\n", snd_strerror(err));
+ snd_mixer_close(handle);
+ return 0;
+ }
+
+ for (elem = snd_mixer_first_elem(handle); elem; elem =
snd_mixer_elem_next(elem))
+ {
+ snd_mixer_selem_id_alloca(&sid);
+ snd_mixer_selem_get_id(elem, sid);
+ if (!snd_mixer_selem_is_active(elem)) continue;
+
+ name = snd_mixer_selem_id_get_name(sid);
+ id = _alsa_get_mixer_id(name);
+ if (id == channel_id)
+ {
+ if (snd_mixer_selem_has_playback_switch_joined(elem))
+ snd_mixer_selem_set_playback_switch_all(elem, mute);
+ break;
+ }
+ }
+
+ snd_mixer_close(handle);
+ return 1;
}
/* Privates */
-------------------------------------------------------------------------
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