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Use perceptual volume scale for volume bars

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Display volume bars using a perceptual scale instead of the
linear dB scale. This makes adjusting volume with the bar a
lot more usable on touchscreen targets.

Change-Id: I2db010486e6ba17f9d08202ee74a0b509f2cb434
This commit is contained in:
Aidan MacDonald 2022-11-22 23:21:48 +00:00
parent 82e26ff2e4
commit dd2a0aeab0
2 changed files with 9 additions and 4 deletions
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5
apps/gui/skin_engine/skin_display.c
View file

@ -185,8 +185,13 @@ void draw_progressbar(struct gui_wps *gwps, struct skin_viewport* skin_viewport,
{
int minvol = sound_min(SOUND_VOLUME);
int maxvol = sound_max(SOUND_VOLUME);
#if defined(HAVE_PERCEPTUAL_VOLUME) || defined(HAVE_TOUCHSCREEN)
length = 1000;
end = to_normalized_volume(global_settings.volume, minvol, maxvol, length);
#else
length = maxvol - minvol;
end = global_settings.volume - minvol;
#endif
}
else if (pb->type == SKIN_TOKEN_BATTERY_PERCENTBAR)
{

4
apps/gui/wps.c
View file

@ -182,8 +182,8 @@ static int skintouch_to_wps(void)
const int min_vol = sound_min(SOUND_VOLUME);
const int max_vol = sound_max(SOUND_VOLUME);
const int step_vol = sound_steps(SOUND_VOLUME);
global_settings.volume = (offset * (max_vol - min_vol)) / 1000;
global_settings.volume += min_vol;
global_settings.volume = from_normalized_volume(offset, min_vol, max_vol, 1000);
global_settings.volume -= (global_settings.volume % step_vol);
setvol();
}