diff options
Diffstat (limited to 'src/multimedia/playback/qmediaplayer.cpp')
| -rw-r--r-- | src/multimedia/playback/qmediaplayer.cpp | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/src/multimedia/playback/qmediaplayer.cpp b/src/multimedia/playback/qmediaplayer.cpp index 08f194be7..191095e82 100644 --- a/src/multimedia/playback/qmediaplayer.cpp +++ b/src/multimedia/playback/qmediaplayer.cpp @@ -142,7 +142,7 @@ public: QMediaContent rootMedia; QMediaContent pendingPlaylist; QMediaPlaylist *parentPlaylist(QMediaPlaylist *pls); - bool isInChain(QUrl url); + bool isInChain(const QUrl &url); int nestedPlaylists; void setMedia(const QMediaContent &media, QIODevice *stream = 0); @@ -175,7 +175,7 @@ QMediaPlaylist *QMediaPlayerPrivate::parentPlaylist(QMediaPlaylist *pls) return 0; } -bool QMediaPlayerPrivate::isInChain(QUrl url) +bool QMediaPlayerPrivate::isInChain(const QUrl &url) { // Check whether a URL is already in the chain of playlists. // Also see a comment in parentPlaylist(). @@ -1372,8 +1372,14 @@ QList<QAudio::Role> QMediaPlayer::supportedAudioRoles() const \property QMediaPlayer::volume \brief the current playback volume. - The playback volume is linear in effect and the value can range from 0 - - 100, values outside this range will be clamped. + The playback volume is scaled linearly, ranging from \c 0 (silence) to \c 100 (full volume). + Values outside this range will be clamped. + + By default the volume is \c 100. + + 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. */ /*! |