comparison framework/MainWindowBase.cpp @ 487:66b92c188cbd recording

Suspend/resume audio device when not in use to save battery (only implemented for PulseAudioIO so far)

 */
 
     if (m_soundOptions & WithAudioInput) {
         m_audioIO = breakfastquay::AudioFactory::
             createCallbackIO(m_recordTarget, m_playSource);
+        m_audioIO->suspend(); // start in suspended state
         m_playSource->setSystemPlaybackTarget(m_audioIO);
     } else {
         m_playTarget = breakfastquay::AudioFactory::
             createCallbackPlayTarget(m_playSource);
         m_playSource->setSystemPlaybackTarget(m_playTarget);

     if (m_recordTarget->isRecording() || m_playSource->isPlaying()) {
         stop();
         QAction *action = qobject_cast<QAction *>(sender());
         if (action) action->setChecked(false);
     } else {
+        if (m_audioIO) m_audioIO->resume();
         playbackFrameChanged(m_viewManager->getPlaybackFrame());
 	m_playSource->play(m_viewManager->getPlaybackFrame());
     }
 }
 

     }
 
     if (m_audioRecordMode == RecordReplaceSession) {
         if (!checkSaveModified()) return;
     }
-    
+
+    if (m_audioIO) m_audioIO->resume();
+
     WritableWaveFileModel *model = m_recordTarget->startRecording();
     if (!model) {
         cerr << "ERROR: MainWindowBase::record: Recording failed" << endl;
         //!!! report
         return;

         m_recordTarget->stopRecording();
         delete model;
         //!!! ???
         return;
     }
-
+    
     PlayParameterRepository::getInstance()->addPlayable(model);
 
     if (m_audioRecordMode == RecordReplaceSession || !getMainModel()) {
 
         //!!! duplication with openAudio here

         emit audioFileLoaded();
     }
         
     m_playSource->stop();
 
+    if (m_audioIO) m_audioIO->suspend();
+    
     if (m_paneStack && m_paneStack->getCurrentPane()) {
         updateVisibleRangeDisplay(m_paneStack->getCurrentPane());
     } else {
         m_myStatusMessage = "";
         getStatusLabel()->setText("");