diff options
Diffstat (limited to 'src/mixer/plugins/AlsaMixerPlugin.cxx')
| -rw-r--r-- | src/mixer/plugins/AlsaMixerPlugin.cxx | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/src/mixer/plugins/AlsaMixerPlugin.cxx b/src/mixer/plugins/AlsaMixerPlugin.cxx index 23b641cca..fd4c6817d 100644 --- a/src/mixer/plugins/AlsaMixerPlugin.cxx +++ b/src/mixer/plugins/AlsaMixerPlugin.cxx @@ -97,6 +97,11 @@ public: void SetVolume(unsigned volume) override; private: + [[gnu::const]] + static unsigned NormalizedToPercent(double normalized) noexcept { + return lround(100 * normalized); + } + [[gnu::pure]] double GetNormalizedVolume() const noexcept { return get_normalized_playback_volume(elem, @@ -280,7 +285,7 @@ AlsaMixer::GetVolume() throw FormatRuntimeError("snd_mixer_handle_events() failed: %s", snd_strerror(err)); - return lround(100 * GetNormalizedVolume()); + return NormalizedToPercent(GetNormalizedVolume()); } void @@ -289,7 +294,7 @@ AlsaMixer::SetVolume(unsigned volume) assert(handle != nullptr); double cur = GetNormalizedVolume(); - int delta = volume - lround(100.*cur); + int delta = volume - NormalizedToPercent(cur); int err = set_normalized_playback_volume(elem, cur + 0.01*delta, delta); if (err < 0) throw FormatRuntimeError("failed to set ALSA volume: %s", |