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[Audio] Get/set audio device volume (this is the device's value, NOT the logical AFV value)

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This commit is contained in:
Klaus Basan
2019-12-06 23:51:58 +01:00
committed by Mat Sutcliffe
parent fc9bb1277d
commit 091fa5f338
8 changed files with 98 additions and 11 deletions
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12
src/blacksound/audioutilities.cpp
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@@ -233,4 +233,16 @@ namespace BlackSound
static const QString unknown("unknown");
return unknown;
}
double normalize0to100(double in)
{
if (in < 0) { return 0; }
return (in >= 1.0) ? 1.0 : in;
}
qreal normalize0to100qr(double in)
{
return static_cast<qreal>(normalize0to100(in));
}
} // ns

6
src/blacksound/audioutilities.h
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@@ -35,6 +35,12 @@ namespace BlackSound
BLACKSOUND_EXPORT const QString &toQString(QAudioFormat::Endian e);
BLACKSOUND_EXPORT const QString &toQString(QAudioFormat::SampleType s);
//! @}
//! Normalize audio volume to 0..100 @{
BLACKSOUND_EXPORT double normalize0to100(double in);
BLACKSOUND_EXPORT qreal normalize0to100qr(double in);
//! @}
} // ns
#endif // guard