Launch synthesis thread at max priority to prevent hicups in playback.

Return and log an error when an operation cannot be completed because
the speech queue is locked longer than the timeout period.
Log cleanup.

1 files changed, 12 insertions, 7 deletions

diff --git a/packages/TtsService/src/android/tts/TtsService.java b/packages/TtsService/src/android/tts/TtsService.java
index 5a72fcd..2e11698 100755
--- a/packages/TtsService/src/android/tts/TtsService.java
+++ b/packages/TtsService/src/android/tts/TtsService.java
@@ -148,7 +148,7 @@ public class TtsService extends Service implements OnCompletionListener {
     @Override
     public void onCreate() {
         super.onCreate();
-        Log.i("TtsService", "TtsService.onCreate()");
+        Log.v("TtsService", "TtsService.onCreate()");
 
         mResolver = getContentResolver();
 
@@ -279,7 +279,6 @@ public class TtsService extends Service implements OnCompletionListener {
 
 
     private int isLanguageAvailable(String lang, String country, String variant) {
-        //Log.v("TtsService", "TtsService.isLanguageAvailable(" + lang + ", " + country + ", " +variant+")");
         int res = TextToSpeech.LANG_NOT_SUPPORTED;
         try {
             res = sNativeSynth.isLanguageAvailable(lang, country, variant);
@@ -462,6 +461,9 @@ public class TtsService extends Service implements OnCompletionListener {
                     result = TextToSpeech.SUCCESS;
                 }
                 Log.i("TtsService", "Stopped");
+            } else {
+                Log.e("TtsService", "TTS stop(): queue locked longer than expected");
+                result = TextToSpeech.ERROR;
             }
         } catch (InterruptedException e) {
           Log.e("TtsService", "TTS stop: tryLock interrupted");
@@ -575,6 +577,9 @@ public class TtsService extends Service implements OnCompletionListener {
                     result = TextToSpeech.SUCCESS;
                 }
                 Log.i("TtsService", "Stopped all");
+            } else {
+                Log.e("TtsService", "TTS stopAll(): queue locked longer than expected");
+                result = TextToSpeech.ERROR;
             }
         } catch (InterruptedException e) {
           Log.e("TtsService", "TTS stopAll: tryLock interrupted");
@@ -725,7 +730,7 @@ public class TtsService extends Service implements OnCompletionListener {
             }
         }
         Thread synth = (new Thread(new SynthThread()));
-        //synth.setPriority(Thread.MIN_PRIORITY);
+        synth.setPriority(Thread.MAX_PRIORITY);
         synth.start();
     }
 
@@ -799,7 +804,7 @@ public class TtsService extends Service implements OnCompletionListener {
             }
         }
         Thread synth = (new Thread(new SynthThread()));
-        //synth.setPriority(Thread.MIN_PRIORITY);
+        synth.setPriority(Thread.MAX_PRIORITY);
         synth.start();
     }
 
@@ -827,7 +832,7 @@ public class TtsService extends Service implements OnCompletionListener {
         if (cb == null){
             return;
         }
-        Log.i("TtsService", "TTS callback: dispatch started");
+        Log.v("TtsService", "TTS callback: dispatch started");
         // Broadcast to all clients the new value.
         final int N = mCallbacks.beginBroadcast();
         try {
@@ -837,7 +842,7 @@ public class TtsService extends Service implements OnCompletionListener {
             // the dead object for us.
         }
         mCallbacks.finishBroadcast();
-        Log.i("TtsService", "TTS callback: dispatch completed to " + N);
+        Log.v("TtsService", "TTS callback: dispatch completed to " + N);
     }
 
     private SpeechItem splitCurrentTextIfNeeded(SpeechItem currentSpeechItem){
@@ -888,7 +893,7 @@ public class TtsService extends Service implements OnCompletionListener {
             SoundResource sr = getSoundResource(mCurrentSpeechItem);
             // Synth speech as needed - synthesizer should call
             // processSpeechQueue to continue running the queue
-            Log.i("TtsService", "TTS processing: " + mCurrentSpeechItem.mText);
+            Log.v("TtsService", "TTS processing: " + mCurrentSpeechItem.mText);
             if (sr == null) {
                 if (mCurrentSpeechItem.mType == SpeechItem.TEXT) {
                     mCurrentSpeechItem = splitCurrentTextIfNeeded(mCurrentSpeechItem);