diff options
| -rw-r--r-- | src/multimedia/audio/qaudiosystemplugin.cpp | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/src/multimedia/audio/qaudiosystemplugin.cpp b/src/multimedia/audio/qaudiosystemplugin.cpp index 018392939..61681b6d6 100644 --- a/src/multimedia/audio/qaudiosystemplugin.cpp +++ b/src/multimedia/audio/qaudiosystemplugin.cpp @@ -85,15 +85,14 @@ QAudioSystemPluginExtension::~QAudioSystemPluginExtension() QAbstractAudioOutput and QAbstractAudioInput. - -audio-backend configure option will force compiling in of the builtin backend - into the QtMultimedia library at compile time. This is automatic by default - and will only be compiled into the library if the dependencies are installed. - eg. alsa-devel package installed for linux. + The builtin backend will only be compiled into the library if the dependencies + are installed. eg. alsa-devel package installed for linux. If the builtin backend is not compiled into the QtMultimedia library and no audio plugins are available a fallback dummy backend will be used. - This should print out warnings if this is the case when you try and use QAudioInput or QAudioOutput. To fix this problem - reconfigure Qt using -audio-backend or create your own plugin with a default + This should print out warnings if this is the case when you try and use QAudioInput + or QAudioOutput. To fix this problem reconfigure Qt with the required + dependencies (e.g. alsa-devel package) available or create your own plugin with a default key to always override the dummy fallback. The easiest way to determine if you have only a dummy backend is to get a list of available audio devices. |