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-rw-r--r--src/mixer_control.h11
1 files changed, 7 insertions, 4 deletions
diff --git a/src/mixer_control.h b/src/mixer_control.h
index b8997a795..f023317e3 100644
--- a/src/mixer_control.h
+++ b/src/mixer_control.h
@@ -25,6 +25,8 @@
#ifndef MPD_MIXER_CONTROL_H
#define MPD_MIXER_CONTROL_H
+#include <glib.h>
+
#include <stdbool.h>
struct mixer;
@@ -32,13 +34,14 @@ struct mixer_plugin;
struct config_param;
struct mixer *
-mixer_new(const struct mixer_plugin *plugin, const struct config_param *param);
+mixer_new(const struct mixer_plugin *plugin, const struct config_param *param,
+ GError **error_r);
void
mixer_free(struct mixer *mixer);
bool
-mixer_open(struct mixer *mixer);
+mixer_open(struct mixer *mixer, GError **error_r);
void
mixer_close(struct mixer *mixer);
@@ -51,9 +54,9 @@ void
mixer_auto_close(struct mixer *mixer);
int
-mixer_get_volume(struct mixer *mixer);
+mixer_get_volume(struct mixer *mixer, GError **error_r);
bool
-mixer_set_volume(struct mixer *mixer, unsigned volume);
+mixer_set_volume(struct mixer *mixer, unsigned volume, GError **error_r);
#endif