Stop button working

Author: martinmarinov

JavaGUI/src/martin/tempest/Main.java

@@ -250,8 +250,12 @@ private void onVideoModeSelected(final VideoMode m) {
 	private void performStartStop() {
 
 		if (mSdrlib.isRunning()) {
-			
-			btnStartStop.setText("Start");
+			try {
+				mSdrlib.stop();
+			} catch (TSDRException e) {
+				displayException(frmTempestSdr, e);
+			}
+
 		} else {
 			final TSDRSource src = (TSDRSource) cbDevice.getSelectedItem();
 

JavaGUI/src/martin/tempest/core/TSDRLibrary.java

@@ -11,6 +11,7 @@
 import java.util.ArrayList;
 import java.util.List;
 
+import martin.tempest.core.exceptions.TSDRAlreadyRunningException;
 import martin.tempest.core.exceptions.TSDRException;
 import martin.tempest.core.exceptions.TSDRLibraryNotCompatible;
 import martin.tempest.sources.TSDRSource;
@@ -29,6 +30,8 @@ public class TSDRLibrary {
 	private int width;
 	private int height;
 
+	volatile private boolean nativerunning = false;
+	
 	// If the binaries weren't loaded, this will go off
 	private static TSDRLibraryNotCompatible m_e = null;
 	private final List<FrameReadyCallback> callbacks = new ArrayList<FrameReadyCallback>();
@@ -143,13 +146,15 @@ public TSDRLibrary() throws TSDRException {
 	public native void setResolution(int width, int height, double refreshrate) throws TSDRException;
 
 	public void startAsync(final TSDRSource plugin, int width, int height, double refreshrate) throws TSDRException {
+		if (nativerunning) throw new TSDRAlreadyRunningException("");
+		
 		final String absolute_path = plugin.absolute ? plugin.libname : (extractLibrary(plugin.libname).getAbsolutePath());
 
 		setResolution(width, height, refreshrate);
 
 		new Thread() {
 			public void run() {
-				
+				nativerunning = true;
 				Runtime.getRuntime().addShutdownHook(unloaderhook);
 				try {
 					nativeStart(absolute_path, plugin.getParams());
@@ -161,6 +166,7 @@ public void run() {
 					} catch (Throwable e) {};
 				}
 				for (final FrameReadyCallback callback : callbacks) callback.onClosed(TSDRLibrary.this);
+				nativerunning = false;
 			};
 		}.start();