Added a new mp3 and jpg sample, and added a new Example test that use…

…s them.

src/test/java/net/bramp/ffmpeg/ExamplesTest.java

@@ -11,7 +11,6 @@
 import org.mockito.junit.MockitoJUnitRunner;
 
 import java.io.IOException;
-import java.util.List;
 
 import static net.bramp.ffmpeg.FFmpegTest.argThatHasItem;
 import static org.junit.Assert.assertEquals;

src/test/java/net/bramp/ffmpeg/FFmpegExecutorTest.java

@@ -241,6 +241,31 @@ public void testProgress() throws InterruptedException, ExecutionException, IOEx
     assertThat(progesses.get(progesses.size() - 1).status, is(Progress.Status.END));
   }
 
+  @Test
+  public void testIssue112() throws IOException {
+    FFmpegBuilder builder =
+        new FFmpegBuilder()
+            .setInput(Samples.testscreen_jpg)
+            .addInput(Samples.test_mp3)
+            .addExtraArgs("-loop", "1")
+            .overrideOutputFiles(true)
+            .addOutput(Samples.output_mp4)
+            .setFormat("mp4")
+            //.setDuration(30, TimeUnit.SECONDS)
+            .addExtraArgs("-shortest")
+            .setAudioCodec("aac")
+            .setAudioSampleRate(48_000)
+            .setAudioBitRate(32768)
+            .setVideoCodec("libx264")
+            .setVideoFrameRate(24, 1)
+            .setVideoResolution(640, 480)
+            .setStrict(FFmpegBuilder.Strict.EXPERIMENTAL) // Allow FFmpeg to use experimental specs
+            .done();
+
+    // Run a one-pass encode
+    ffExecutor.createJob(builder).run();
+  }
+
   protected void runAndWait(FFmpegJob job) throws ExecutionException, InterruptedException {
     executor.submit(job).get();
   }

src/test/java/net/bramp/ffmpeg/fixtures/Samples.java

@@ -5,10 +5,16 @@ private Samples() {
     throw new AssertionError("No instances for you!");
   }
 
+  // Test sample files (only a handful to keep the repo small)
   public static final String TEST_PREFIX = "src/test/resources/net/bramp/ffmpeg/samples/";
 
   public static final String base_big_buck_bunny_720p_1mb = "big_buck_bunny_720p_1mb.mp4";
+  public static final String base_testscreen_jpg = "testscreen.jpg";
+  public static final String base_test_mp3 = "test.mp3";
+
   public static final String big_buck_bunny_720p_1mb = TEST_PREFIX + base_big_buck_bunny_720p_1mb;
+  public static final String testscreen_jpg = TEST_PREFIX + base_testscreen_jpg;
+  public static final String test_mp3 = TEST_PREFIX + base_test_mp3;
 
   // We don't have the following files
   public static final String FAKE_PREFIX = "fake/";

src/test/resources/net/bramp/ffmpeg/samples/README.md

@@ -1,3 +1,4 @@
 Sample media:
 
 big_buck_bunny_720p_1mb.mp4 - Big Buck Bunny - Creative Commons Attribution 3.0
+https://archive.org/details/testmp3testfile - https://archive.org/details/testmp3testfile