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added setVolume

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badaix 2015-08-31 23:36:56 +02:00
parent ccc84fb916
commit fbd83d3b3e
2 changed files with 26 additions and 0 deletions
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25
client/alsaPlayer.cpp
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@ -208,6 +208,31 @@ void Player::worker()
}
void Player::setVolume(double volume)
{
long min, max;
snd_mixer_t *handle;
snd_mixer_selem_id_t *sid;
const char *selem_name = "Master";
snd_mixer_open(&handle, 0);
snd_mixer_attach(handle, pcmDevice_.name.c_str());
snd_mixer_selem_register(handle, NULL, NULL);
snd_mixer_load(handle);
snd_mixer_selem_id_alloca(&sid);
snd_mixer_selem_id_set_index(sid, 0);
snd_mixer_selem_id_set_name(sid, selem_name);
snd_mixer_elem_t* elem = snd_mixer_find_selem(handle, sid);
snd_mixer_selem_get_playback_volume_range(elem, &min, &max);
snd_mixer_selem_set_playback_volume_all(elem, volume * max);
snd_mixer_close(handle);
}
vector<PcmDevice> Player::pcm_list(void)
{
void **hints, **n;