changeset 547:82d7e5cf7517 bqaudioio

Audio device selection

--- a/framework/MainWindowBase.cpp	Wed Aug 05 17:47:12 2015 +0100
+++ b/framework/MainWindowBase.cpp	Wed Dec 07 11:50:54 2016 +0000
@@ -2164,39 +2164,66 @@
 {
     if (m_playTarget) return;
 
-    //!!! how to handle preferences
-/*    
     QSettings settings;
     settings.beginGroup("Preferences");
-    QString targetName = settings.value("audio-target", "").toString();
+    QString implementation = settings.value
+        ("audio-target", "").toString();
+    QString suffix;
+    if (implementation != "") suffix = "-" + implementation;
+    QString recordDevice = settings.value
+        ("audio-record-device" + suffix, "").toString();
+    QString playbackDevice = settings.value
+        ("audio-playback-device" + suffix, "").toString();
     settings.endGroup();
-    AudioTargetFactory *factory = AudioTargetFactory::getInstance();
-
-    factory->setDefaultCallbackTarget(targetName);
-*/
+
+    if (implementation == "auto") {
+        implementation = "";
+    }
     
-    m_playTarget =
-        breakfastquay::AudioFactory::createCallbackPlayTarget(m_playSource);
-
-    m_playSource->setSystemPlaybackTarget(m_playTarget);
-
-    if (!m_playTarget) {
+    breakfastquay::AudioFactory::Preference preference;
+    preference.implementation = implementation.toStdString();
+    preference.recordDevice = recordDevice.toStdString();
+    preference.playbackDevice = playbackDevice.toStdString();
+
+    SVCERR << "createAudioIO: Preferred implementation = \""
+            << preference.implementation << "\"" << endl;
+    SVCERR << "createAudioIO: Preferred playback device = \""
+            << preference.playbackDevice << "\"" << endl;
+    SVCERR << "createAudioIO: Preferred record device = \""
+            << preference.recordDevice << "\"" << endl;
+
+    if (m_soundOptions & WithAudioInput) {
+        m_audioIO = breakfastquay::AudioFactory::
+            createCallbackIO(m_recordTarget, m_playSource, preference);
+        if (m_audioIO) {
+            m_audioIO->suspend(); // start in suspended state
+            m_playSource->setSystemPlaybackTarget(m_audioIO);
+        }
+    } else {
+        m_playTarget = breakfastquay::AudioFactory::
+            createCallbackPlayTarget(m_playSource, preference);
+        if (m_playTarget) {
+            m_playTarget->suspend(); // start in suspended state
+            m_playSource->setSystemPlaybackTarget(m_playTarget);
+        }
+    }
+
+    if (!m_playTarget && !m_audioIO) {
         emit hideSplash();
-
-//        if (factory->isAutoCallbackTarget(targetName)) {
+        if (implementation == "") {
             QMessageBox::warning
 	    (this, tr("Couldn't open audio device"),
 	     tr("<b>No audio available</b><p>Could not open an audio device for playback.<p>Automatic audio device detection failed. Audio playback will not be available during this session.</p>"),
 	     QMessageBox::Ok);
-/*
         } else {
             QMessageBox::warning
                 (this, tr("Couldn't open audio device"),
                  tr("<b>No audio available</b><p>Failed to open your preferred audio device (\"%1\").<p>Audio playback will not be available during this session.</p>")
-                 .arg(factory->getCallbackTargetDescription(targetName)),
+                 .arg(breakfastquay::AudioFactory::
+                      getImplementationDescription(implementation.toStdString())
+                      .c_str()),
                  QMessageBox::Ok);
         }
-*/
     }
 }