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[alsa] Align commit bfe99e5 with coding style

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This commit is contained in:
ejurgensen 2020-08-22 21:36:10 +02:00
parent bfe99e56f7
commit c5df688caf
1 changed files with 7 additions and 4 deletions
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11
src/outputs/alsa.c
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@ -6,7 +6,7 @@
* from alsa-utils/alsamixer/volume_mapping.c
* use_linear_dB_scale()
* lrint_dir()
* set_normalized_volume()
* volume_normalized_set()
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@ -318,7 +318,8 @@ use_linear_dB_scale(long dBmin, long dBmax)
return dBmax - dBmin <= MAX_LINEAR_DB_SCALE * 100;
}
static long lrint_dir(double x, int dir)
static long
lrint_dir(double x, int dir)
{
if (dir > 0)
return lrint(ceil(x));
@ -330,7 +331,7 @@ static long lrint_dir(double x, int dir)
// from alsamixer/volume-mapping.c, sets volume in line with human perception
static int
set_normalized_volume(snd_mixer_elem_t *elem, double volume, int dir)
volume_normalized_set(snd_mixer_elem_t *elem, double volume, int dir)
{
long min, max, value;
double min_norm;
@ -364,6 +365,7 @@ set_normalized_volume(snd_mixer_elem_t *elem, double volume, int dir)
min_norm = pow(10, (min - max) / 6000.0);
volume = volume * (1 - min_norm) + min_norm;
}
value = lrint_dir(6000.0 * log10(volume), dir) + max;
return snd_mixer_selem_set_playback_dB_all(elem, value, dir);
}
@ -380,12 +382,13 @@ volume_set(struct alsa_mixer *mixer, int volume)
DPRINTF(E_DBG, L_LAUDIO, "Setting ALSA volume to %d\n", volume);
ret = set_normalized_volume(mixer->vol_elem, volume >= 0 && volume <= 100 ? volume/100.0 : 0.75, 0);
ret = volume_normalized_set(mixer->vol_elem, volume >= 0 && volume <= 100 ? volume/100.0 : 0.75, 0);
if (ret < 0)
{
DPRINTF(E_LOG, L_LAUDIO, "Failed to set ALSA volume to %d\n: %s", volume, snd_strerror(ret));
return -1;
}
return 0;
}