#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