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- #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
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