func (alsaImpl) snd_mixer_selem_get_playback_volume(arg_elem *ctyp_snd_mixer_elem_t, arg_channel ctyp_snd_mixer_selem_channel_id_t, arg_value *int64) int32 {
    tmp_arg_elem := (*C.snd_mixer_elem_t)(arg_elem)
    tmp_arg_channel := C.snd_mixer_selem_channel_id_t(arg_channel)
    tmp_arg_value := (*C.long)(arg_value)
    result_c := C.snd_mixer_selem_get_playback_volume(tmp_arg_elem, tmp_arg_channel, tmp_arg_value)