Added playback marker for single phrase play

src/uk/co/majenko/audiobookrecorder/AudiobookRecorder.java

@@ -65,7 +65,7 @@ public class AudiobookRecorder extends JFrame {
     Sentence selectedSentence = null;
 
     JPanel sampleControl;
-    Waveform sampleWaveform;
+    public Waveform sampleWaveform;
     JScrollBar sampleScroll;
 
     JSpinner postSentenceGap;
@@ -388,9 +388,12 @@ public class AudiobookRecorder extends JFrame {
 
         controlsTop.add(locked);
 
+        controlsTop.add(Box.createHorizontalGlue());
         controlsTop.add(new JLabel("Post gap:"));
         controlsTop.add(postSentenceGap);
         controlsTop.add(new JLabel("ms"));
+        controlsTop.add(Box.createHorizontalGlue());
+
 
         JButton zoomIn = new JButton(Icons.zoomIn);
         zoomIn.setToolTipText("Zoom In");
@@ -1654,6 +1657,9 @@ public class AudiobookRecorder extends JFrame {
             play = null;
         }
         playing = null;
+        if (selectedSentence != null) {
+            selectedSentence.stopPlaying();
+        }
     }
 
     public void alertNoRoomNoise() {

src/uk/co/majenko/audiobookrecorder/Sentence.java

@@ -30,6 +30,7 @@ public class Sentence extends DefaultMutableTreeNode implements Cacheable {
     boolean locked;
 
     boolean recording;
+    boolean playing;
 
     boolean inSample;
 
@@ -555,10 +556,13 @@ public class Sentence extends DefaultMutableTreeNode implements Cacheable {
 
             eq.skip(pos);
             
-            while (pos < crossEndOffset * frameSize) {
+            playing = true;
+            while ((pos < crossEndOffset * frameSize) && playing) {
                 int nr = eq.read(buffer);
                 pos += nr;
 
+                AudiobookRecorder.window.sampleWaveform.setPlayMarker(pos / frameSize);
+
                 play.write(buffer, 0, nr);
             };
             play.drain();
@@ -568,6 +572,10 @@ public class Sentence extends DefaultMutableTreeNode implements Cacheable {
         }
     }
 
+    public void stopPlaying() {
+        playing = false;
+    }
+
     public byte[] getRawAudioData() {
         File f = getFile();
         try {

src/uk/co/majenko/audiobookrecorder/Waveform.java

@@ -16,6 +16,8 @@ public class Waveform extends JPanel implements MouseListener, MouseMotionListen
     int leftMarkerSaved = 0;
     int rightMarkerSaved = 0;
 
+    int playMarker = 0;
+
     int leftAltMarker = 0;
     int rightAltMarker = 0;
 
@@ -126,6 +128,10 @@ public class Waveform extends JPanel implements MouseListener, MouseMotionListen
             g.drawLine((leftMarker - offset)/step, 0, (leftMarker - offset)/step, h);
             g.drawLine((rightMarker - offset)/step, 0, (rightMarker - offset)/step, h);
 
+            g.setColor(new Color(0, 255, 255));
+            for (int i = 0; i < h; i += 2) {
+                g.drawLine((playMarker - offset) / step, i, (playMarker - offset) / step, i);
+            }
         }
     }
 
@@ -168,6 +174,7 @@ public class Waveform extends JPanel implements MouseListener, MouseMotionListen
 
     public void setData(int[] s) {
         samples = s;
+        playMarker = 0;
         repaint();
     }
 
@@ -271,4 +278,8 @@ public class Waveform extends JPanel implements MouseListener, MouseMotionListen
         repaint();
     }
 
+    public void setPlayMarker(int m) {
+        playMarker = m;
+        repaint();
+    }
 }