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| author | fearlessTobi <thm.frey@gmail.com> | 2019-01-26 14:53:58 +0100 |
|---|---|---|
| committer | fearlessTobi <thm.frey@gmail.com> | 2019-01-26 22:42:09 +0100 |
| commit | 7185d90a5376fb1642abe9491aa412f9f6b49003 (patch) | |
| tree | fa8b8426d50594af177ce0c9d955b1415066b966 /src/audio_core/stream.cpp | |
| parent | 1f4ca1e841cd0b0427218d787efe10a3fa62df33 (diff) | |
dsp_interface: fix sound being played while volume is 0
According to documentation, if the argument of std::exp is zero, one is returned.
However we want the return value to be also zero in this case so no audio is played.
Diffstat (limited to 'src/audio_core/stream.cpp')
| -rw-r--r-- | src/audio_core/stream.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/audio_core/stream.cpp b/src/audio_core/stream.cpp index 874673c4e5..4ce2d374e6 100644 --- a/src/audio_core/stream.cpp +++ b/src/audio_core/stream.cpp @@ -68,7 +68,7 @@ static void VolumeAdjustSamples(std::vector<s16>& samples) { } // Implementation of a volume slider with a dynamic range of 60 dB - const float volume_scale_factor{std::exp(6.90775f * volume) * 0.001f}; + const float volume_scale_factor = volume == 0 ? 0 : std::exp(6.90775f * volume) * 0.001f; for (auto& sample : samples) { sample = static_cast<s16>(sample * volume_scale_factor); } |