added stop and is_speaking to SpeechSynthesis

processing-library/wellen/examples/DSP/ExampleDSP25VocoderSAM/ExampleDSP25VocoderSAM.pde

@@ -4,9 +4,9 @@ import wellen.dsp.*;
 /*
  * this example demonstrate how to use a vocoder with SAM. see the vocoder example for further explanation.
  */
-Vocoder mVocoder;
+Vocoder   mVocoder;
 Wavetable mVocoderCarrierOsc;
-SAM mSAM;
+SAM       mSAM;
 void settings() {
     size(640, 480);
 }
@@ -19,17 +19,17 @@ void setup() {
     mVocoder = new Vocoder(24, 4, Wellen.DEFAULT_SAMPLING_RATE, 1);
     mVocoder.set_volume(8);
     mSAM = new SAM();
+    mSAM.set_speed(60);
     DSP.start(this, 1);
-    Beat.start(this, 140);
+    Beat.start(this, 25);
 }
 void draw() {
     background(255);
     stroke(0);
-    final int mBufferSize = DSP.get_buffer_size();
     DSP.draw_buffers(g, width, height);
 }
 void beat(int beatCount) {
-    mSAM.say("hello");
+    mSAM.say("Harder, Better, Faster, Stronger");
 }
 void mouseMoved() {
     mVocoder.set_formant_shift(map(mouseX, 0, width, 0.25f, 2.5f));
@@ -51,7 +51,7 @@ void keyPressed() {
 }
 void audioblock(float[] output_signal) {
     for (int i = 0; i < output_signal.length; i++) {
-        float mCarrier = mVocoderCarrierOsc.output();
+        float mCarrier   = mVocoderCarrierOsc.output();
         float mModulator = mSAM.output() * 0.5f;
         output_signal[i] = mVocoder.process(mCarrier, mModulator);
     }

processing-library/wellen/examples/external/ExampleExternal06SpeechSynthesis/ExampleExternal06SpeechSynthesis.pde

@@ -4,26 +4,32 @@ import wellen.dsp.*;
 /*
  * this example demonstrates how to use the built-in speech synthesis engine ( macOS only ).
  */
-int mBeatCount;
+int             mBeatCount;
 SpeechSynthesis mSpeech;
-String[] mWords;
+String[]        mWords;
 void settings() {
     size(640, 480);
 }
 void setup() {
     String mText = "I know not by what power I am made bold, Nor how it may concern my modesty, In such a " +
-            "presence here to plead" + " my thoughts; But I beseech your grace that I may know The worst that " + "may" + " " + "befall me in " + "this case, If I refuse to " + "wed Demetrius.";
+                   "presence here to plead my thoughts; But I beseech your grace that I may know The worst that " +
+                   "may befall me in this case, If I refuse to wed Demetrius.";
     mWords = split(mText, ' ');
     printArray(SpeechSynthesis.list());
     mSpeech = new SpeechSynthesis();
+    mSpeech.blocking(true);
+    mSpeech.say("Daniel", "A Midsummer Night's Dream Act 1 Scene 1");
     mSpeech.blocking(false);
-    Beat.start(this, 140);
+    Beat.start(this, 80);
 }
 void draw() {
     background(255);
     noStroke();
     fill(0);
     float mScale = (mBeatCount % 32) * 0.025f + 0.25f;
+    if (mSpeech.is_speaking()) {
+        mScale *= 1 + random(0.05f);
+    }
     ellipse(width * 0.5f, height * 0.5f, width * mScale, width * mScale);
 }
 void beat(int beatCount) {

processing-library/wellen/src/wellen/MidiOut.java

@@ -45,9 +45,12 @@ public MidiOut(int pMidiOutputDevice) {
         mMidiOut = find(pMidiOutputDevice);
     }
 
+//    public static String[] availableOutputs() {
+//    }
+
     public static String[] availableOutputs() {
         ArrayList<String> mMidiOutputs = new ArrayList<>();
-        MidiDevice.Info[] mInfos = MidiSystem.getMidiDeviceInfo();
+        MidiDevice.Info[] mInfos       = MidiSystem.getMidiDeviceInfo();
         for (MidiDevice.Info mInfo : mInfos) {
             try {
                 MidiDevice mDevice = MidiSystem.getMidiDevice(mInfo);
@@ -62,6 +65,9 @@ public static String[] availableOutputs() {
         return mMidiOutputs.toArray(mMidiOutputsStr);
     }
 
+//    public void sendNoteOn(int channel, int pitch, int velocity) {
+//    }
+
     public void sendNoteOn(int channel, int pitch, int velocity) {
         ShortMessage message = new ShortMessage();
         try {
@@ -75,6 +81,9 @@ public void sendNoteOn(int channel, int pitch, int velocity) {
         }
     }
 
+//    public void sendControllerChange(int channel, int number, int value) {
+//    }
+
     public void sendControllerChange(int channel, int number, int value) {
         ShortMessage message = new ShortMessage();
         try {
@@ -88,6 +97,9 @@ public void sendControllerChange(int channel, int number, int value) {
         }
     }
 
+//    public void sendNoteOff(int channel, int pitch, int velocity) {
+//    }
+
     public void sendNoteOff(int channel, int pitch, int velocity) {
         ShortMessage message = new ShortMessage();
         try {
@@ -148,7 +160,7 @@ private Receiver find(String pMidiOutputDevice) {
 
     private Receiver find(int pMidiOutputDeviceID) {
         MidiDevice.Info[] mInfos = MidiSystem.getMidiDeviceInfo();
-        MidiDevice.Info mInfo = mInfos[pMidiOutputDeviceID];
+        MidiDevice.Info   mInfo  = mInfos[pMidiOutputDeviceID];
         try {
             MidiDevice mDevice = MidiSystem.getMidiDevice(mInfo);
             if (mDevice.getMaxReceivers() != 0) {

processing-library/wellen/src/wellen/SpeechSynthesis.java

@@ -29,33 +29,34 @@
  */
 public class SpeechSynthesis {
 
-    private boolean mBlocking = true;
-    private String mFileName = null;
+    private       boolean mBlocking       = true;
+    private       String  mFileName       = null;
     private final boolean mRemoveSpecialChars;
     private final boolean mVerbose;
-    private int mWordsPerMinute = 0;
-
-    public SpeechSynthesis() {
-        mVerbose = false;
-        mRemoveSpecialChars = true;
-    }
+    private       int     mWordsPerMinute = 0;
+    private       Process mProcess;
 
     public SpeechSynthesis(boolean verbose, boolean remove_special_characters) {
-        mVerbose = verbose;
+        mVerbose            = verbose;
         mRemoveSpecialChars = remove_special_characters;
+        mProcess            = null;
+    }
+
+    public SpeechSynthesis() {
+        this(false, true);
     }
 
     public static String[] list() {
-        String[] mCommand = new String[]{"say", "-v", "?"};
+        String[]      mCommand = new String[]{"say", "-v", "?"};
         final Process p;
         try {
             p = Runtime.getRuntime().exec(mCommand);
-            int mExit = p.waitFor();
+            int            mExit    = p.waitFor();
             BufferedReader stdInput = new BufferedReader(new InputStreamReader(p.getInputStream()));
-            BufferedReader error = new BufferedReader(new InputStreamReader(p.getErrorStream()));
+            BufferedReader error    = new BufferedReader(new InputStreamReader(p.getErrorStream()));
 
             ArrayList<String> mVoices = new ArrayList<>();
-            String s;
+            String            s;
             while ((s = stdInput.readLine()) != null) {
                 String[] mNames = s.split(" ");
                 mVoices.add(mNames[0]);
@@ -75,7 +76,7 @@ public void say(String pVoice, String pMessage, boolean pBlocking, int pWordsPer
         }
         try {
             if (mRemoveSpecialChars) {
-                final String[] searchList = {"ƒ", "‰", "÷", "ˆ", "‹", "¸", "fl"};
+                final String[] searchList  = {"ƒ", "‰", "÷", "ˆ", "‹", "¸", "fl"};
                 final String[] replaceList = {"Ae", "ae", "Oe", "oe", "Ue", "ue", "sz"};
                 for (int i = 0; i < replaceList.length; i++) {
                     pMessage = pMessage.replace(searchList[i], replaceList[i]);
@@ -97,18 +98,50 @@ public void say(String pVoice, String pMessage, boolean pBlocking, int pWordsPer
                 }
                 System.out.println();
             }
-            final Process p = Runtime.getRuntime().exec(mCommand);
+            mProcess = Runtime.getRuntime().exec(mCommand);
             if (pBlocking) {
-                int mExit = p.waitFor();
+                int mExit = mProcess.waitFor();
                 if (mVerbose) {
                     System.out.println("+++ exit value: " + mExit);
                 }
+            } else {
+                new Thread(() -> {
+                    try {
+                        int mExit = mProcess.waitFor();
+                        mProcess = null;
+                        if (mVerbose) {
+                            System.out.println("+++ exit value: " + mExit);
+                        }
+                    } catch (InterruptedException e) {
+                        e.printStackTrace();
+                    }
+                }).start();
             }
         } catch (Exception e) {
             e.printStackTrace();
         }
     }
 
+    public boolean is_speaking() {
+        if (mProcess == null) {
+            return false;
+        }
+        return mProcess.isAlive();
+    }
+
+    public void stop() {
+        if (mProcess == null) {
+            return;
+        }
+        if (mProcess.isAlive()) {
+            mProcess.destroy();
+            if (mProcess.isAlive()) {
+                mProcess.destroyForcibly();
+            }
+        }
+        mProcess = null;
+    }
+
     public void blocking(boolean pMakeBlocking) {
         mBlocking = pMakeBlocking;
     }

processing-library/wellen/src/wellen/examples/DSP/ExampleDSP25VocoderSAM.java

@@ -14,9 +14,9 @@ public class ExampleDSP25VocoderSAM extends PApplet {
      * this example demonstrate how to use a vocoder with SAM. see the vocoder example for further explanation.
      */
 
-    private Vocoder mVocoder;
+    private Vocoder   mVocoder;
     private Wavetable mVocoderCarrierOsc;
-    private SAM mSAM;
+    private SAM       mSAM;
 
     public void settings() {
         size(640, 480);
@@ -34,20 +34,20 @@ public void setup() {
         mVocoder.set_volume(8);
 
         mSAM = new SAM();
+        mSAM.set_speed(60);
 
         DSP.start(this, 1);
-        Beat.start(this, 140);
+        Beat.start(this, 25);
     }
 
     public void draw() {
         background(255);
         stroke(0);
-        final int mBufferSize = DSP.get_buffer_size();
         DSP.draw_buffers(g, width, height);
     }
 
     public void beat(int beatCount) {
-        mSAM.say("hello");
+        mSAM.say("Harder, Better, Faster, Stronger");
     }
 
     public void mouseMoved() {
@@ -72,7 +72,7 @@ public void keyPressed() {
 
     public void audioblock(float[] output_signal) {
         for (int i = 0; i < output_signal.length; i++) {
-            float mCarrier = mVocoderCarrierOsc.output();
+            float mCarrier   = mVocoderCarrierOsc.output();
             float mModulator = mSAM.output() * 0.5f;
             output_signal[i] = mVocoder.process(mCarrier, mModulator);
         }

processing-library/wellen/src/wellen/examples/external/ExampleExternal06SpeechSynthesis.java

@@ -10,30 +10,36 @@ public class ExampleExternal06SpeechSynthesis extends PApplet {
      * this example demonstrates how to use the built-in speech synthesis engine ( macOS only ).
      */
 
-    private int mBeatCount;
+    private int             mBeatCount;
     private SpeechSynthesis mSpeech;
-    private String[] mWords;
+    private String[]        mWords;
 
     public void settings() {
         size(640, 480);
     }
 
     public void setup() {
         String mText = "I know not by what power I am made bold, Nor how it may concern my modesty, In such a " +
-                "presence here to plead" + " my thoughts; But I beseech your grace that I may know The worst that " + "may" + " " + "befall me in " + "this case, If I refuse to " + "wed Demetrius.";
+                       "presence here to plead my thoughts; But I beseech your grace that I may know The worst that " +
+                       "may befall me in this case, If I refuse to wed Demetrius.";
         mWords = split(mText, ' ');
         printArray(SpeechSynthesis.list());
         mSpeech = new SpeechSynthesis();
+        mSpeech.blocking(true);
+        mSpeech.say("Daniel", "A Midsummer Night's Dream Act 1 Scene 1");
         mSpeech.blocking(false);
 
-        Beat.start(this, 140);
+        Beat.start(this, 80);
     }
 
     public void draw() {
         background(255);
         noStroke();
         fill(0);
         float mScale = (mBeatCount % 32) * 0.025f + 0.25f;
+        if (mSpeech.is_speaking()) {
+            mScale *= 1 + random(0.05f);
+        }
         ellipse(width * 0.5f, height * 0.5f, width * mScale, width * mScale);
     }