diff options
Diffstat (limited to 'src/mixer_api.h')
| -rw-r--r-- | src/mixer_api.h | 34 |
1 files changed, 28 insertions, 6 deletions
diff --git a/src/mixer_api.h b/src/mixer_api.h index b79d02a1c..8dbbbe820 100644 --- a/src/mixer_api.h +++ b/src/mixer_api.h @@ -45,14 +45,25 @@ struct mixer_plugin { bool (*open)(struct mixer *data); /** - * Control mixer device. - */ - bool (*control)(struct mixer *data, int cmd, void *arg); - - /** * Close mixer device */ void (*close)(struct mixer *data); + + /** + * Reads the current volume. + * + * @return the current volume (0..100 including) or -1 on + * error + */ + int (*get_volume)(struct mixer *mixer); + + /** + * Sets the volume. + * + * @param volume the new volume (0..100 including) + * @return true on success + */ + bool (*set_volume)(struct mixer *mixer, unsigned volume); }; struct mixer { @@ -72,7 +83,18 @@ void mixer_free(struct mixer *mixer); bool mixer_open(struct mixer *mixer); -bool mixer_control(struct mixer *mixer, int cmd, void *arg); void mixer_close(struct mixer *mixer); +static inline int +mixer_get_volume(struct mixer *mixer) +{ + return mixer->plugin->get_volume(mixer); +} + +static inline bool +mixer_set_volume(struct mixer *mixer, unsigned volume) +{ + return mixer->plugin->set_volume(mixer, volume); +} + #endif |