start resumes a paused pipeline

Author: space-pope

src/main/java/io/spokestack/spokestack/SpeechPipeline.java

@@ -167,12 +167,14 @@ public void removeListener(OnSpeechEventListener listener) {
     }
 
     /**
-     * starts up the speech pipeline.
+     * Starts the speech pipeline. If the pipeline is already running but has
+     * been paused, it will be resumed.
      *
      * @throws Exception on configuration/startup error
      */
     public void start() throws Exception {
         if (this.running) {
+            resume();
             this.context.traceDebug(
                   "attempting to start a running pipeline; ignoring");
             return;

src/test/java/io/spokestack/spokestack/SpeechPipelineTest.java

@@ -241,6 +241,14 @@ public void testPause() throws Exception {
         pipeline.resume();
         Thread.sleep(5);
         assertTrue(FreeInput.counter > frames);
+
+        // test that start() also resumes the pipeline
+        pipeline.pause();
+        Thread.sleep(10);
+        frames = FreeInput.counter;
+        pipeline.start();
+        Thread.sleep(5);
+        assertTrue(FreeInput.counter > frames);
     }
 
     @Test