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author | Yoann Lopes <yoann.lopes@qt.io> | 2016-07-08 15:22:16 +0200 |
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committer | Yoann Lopes <yoann.lopes@qt.io> | 2016-08-22 09:50:06 +0000 |
commit | cc12446728d00161116d6e1823e161440415d2d5 (patch) | |
tree | 81998ddb81bdb602be6faf76878e849fe675a75a /src/multimedia/recording | |
parent | d47e412b7b196e37196fa7c7469ae3b54eecf6d4 (diff) |
Improve audio volume documentation
Added information about volume scales.
Change-Id: Ica8367396147e3e1c814b3575faa5cf0503be031
Reviewed-by: Venugopal Shivashankar <Venugopal.Shivashankar@qt.io>
Reviewed-by: Christian Stromme <christian.stromme@qt.io>
Diffstat (limited to 'src/multimedia/recording')
-rw-r--r-- | src/multimedia/recording/qmediarecorder.cpp | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/src/multimedia/recording/qmediarecorder.cpp b/src/multimedia/recording/qmediarecorder.cpp index a5f4c15ce..7b0234988 100644 --- a/src/multimedia/recording/qmediarecorder.cpp +++ b/src/multimedia/recording/qmediarecorder.cpp @@ -556,7 +556,16 @@ void QMediaRecorder::setMuted(bool muted) /*! \property QMediaRecorder::volume - \brief the linear audio gain of media recorder. + \brief the current recording audio volume. + + The volume is scaled linearly from \c 0.0 (silence) to \c 1.0 (full volume). Values outside this + range will be clamped. + + The default volume is \c 1.0. + + UI volume controls should usually be scaled nonlinearly. For example, using a logarithmic scale + will produce linear changes in perceived loudness, which is what a user would normally expect + from a volume control. See QAudio::convertVolume() for more details. */ qreal QMediaRecorder::volume() const |