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util/Clamp: generic Clamp() function

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Max Kellermann
2013-12-22 21:08:06 +01:00
parent 6416198e9f
commit 86e72ffefb
4 changed files with 54 additions and 3 deletions
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4
src/mixer/AlsaMixerPlugin.cxx
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@@ -27,6 +27,7 @@
#include "event/Call.hxx"
#include "util/ASCII.hxx"
#include "util/ReusableArray.hxx"
#include "util/Clamp.hxx"
#include "util/Error.hxx"
#include "util/Domain.hxx"
#include "Log.hxx"
@@ -372,8 +373,7 @@ AlsaMixer::SetVolume(unsigned volume, Error &error)
level = (long)(((vol / 100.0) * (volume_max - volume_min) +
volume_min) + 0.5);
level = level > volume_max ? volume_max : level;
level = level < volume_min ? volume_min : level;
level = Clamp(level, volume_min, volume_max);
err = snd_mixer_selem_set_playback_volume_all(elem, level);
if (err < 0) {