| #ifndef VOLUME_MAPPING_H_INCLUDED |
| #define VOLUME_MAPPING_H_INCLUDED |
| |
| #include <alsa/asoundlib.h> |
| |
| double get_normalized_playback_volume(snd_mixer_elem_t *elem, |
| snd_mixer_selem_channel_id_t channel); |
| double get_normalized_capture_volume(snd_mixer_elem_t *elem, |
| snd_mixer_selem_channel_id_t channel); |
| int set_normalized_playback_volume(snd_mixer_elem_t *elem, |
| snd_mixer_selem_channel_id_t channel, |
| double volume, |
| int dir); |
| int set_normalized_capture_volume(snd_mixer_elem_t *elem, |
| snd_mixer_selem_channel_id_t channel, |
| double volume, |
| int dir); |
| |
| #endif |
