From 4243eb57ff3b39489c1dd3ff47607d17533679b2 Mon Sep 17 00:00:00 2001
From: Chris Ribble <chris.ribble@resi.io>
Date: Thu, 30 Dec 2021 10:22:42 -0600
Subject: [PATCH] Load test resources from classpath

---
 .../drm/packager/isoparser/RoundTripTest.java | 82 ++++++++-----------
 .../java/org/mp4parser/SkippingBoxTest.java   |  9 +-
 .../java/org/mp4parser/tools/PathTest.java    |  4 +-
 .../muxer/CencFileRoundtripTest.java          | 56 +++++++------
 .../muxer/FragmentedMp4BuilderTest.java       |  4 +-
 .../mp4parser/muxer/InTestMovieCreator.java   |  9 +-
 .../muxer/builder/DefaultFragmenterTest.java  |  6 +-
 .../SyncSampleIntersectFinderImplTest.java    | 23 +++---
 .../samples/DefaultMp4SampleListTest.java     |  6 +-
 .../muxer/tracks/AACTrackImplTest.java        |  9 +-
 .../muxer/tracks/AC3TrackImplTest.java        |  7 +-
 .../muxer/tracks/CencTracksImplTest.java      |  9 +-
 .../muxer/tracks/DTSTrackImplTest.java        |  4 +-
 .../muxer/tracks/H264TrackImplTest.java       |  7 +-
 .../muxer/tracks/ttml/TtmlHelpersTest.java    |  2 +-
 15 files changed, 119 insertions(+), 118 deletions(-)

diff --git a/isoparser/src/test/java/com/coremedia/drm/packager/isoparser/RoundTripTest.java b/isoparser/src/test/java/com/coremedia/drm/packager/isoparser/RoundTripTest.java
index c7feba217..ae35061c7 100644
--- a/isoparser/src/test/java/com/coremedia/drm/packager/isoparser/RoundTripTest.java
+++ b/isoparser/src/test/java/com/coremedia/drm/packager/isoparser/RoundTripTest.java
@@ -16,93 +16,80 @@
 
 package com.coremedia.drm.packager.isoparser;
 
-import junit.framework.TestCase;
+import java.io.ByteArrayOutputStream;
+import java.io.InputStream;
+import java.nio.channels.Channels;
+import java.nio.channels.ReadableByteChannel;
+
 import org.mp4parser.IsoFile;
 import org.mp4parser.support.BoxComparator;
 import org.mp4parser.tools.ByteBufferByteChannel;
 
-import java.io.ByteArrayOutputStream;
-import java.io.FileInputStream;
-import java.nio.channels.Channels;
+import junit.framework.TestCase;
 
 /**
  * Tests ISO Roundtrip.
  */
 public class RoundTripTest extends TestCase {
-    String defaultTestFileDir;
-
-    @Override
-    protected void setUp() throws Exception {
-        super.setUp();
-        defaultTestFileDir = this.getClass().getProtectionDomain().getCodeSource().getLocation().getFile();
-/*        Logger.getLogger("").setLevel(Level.ALL);
-    Handler[] handlers = Logger.getLogger("").getHandlers();
-    for (Handler handler : handlers) {
-      handler.setLevel(Level.ALL);
-    }*/
-    }
-
     /*    public void testRoundDeleteMe() throws Exception {
         testRoundTrip_1("/suckerpunch-distantplanet_h1080p.mov");
     }*/
     public void testRoundTrip_TinyExamples_Old() throws Exception {
-        testRoundTrip_1(defaultTestFileDir + "/Tiny Sample - OLD.mp4");
+        testRoundTrip_1("Tiny Sample - OLD.mp4");
     }
 
     public void testRoundTrip_TinyExamples_Metaxed() throws Exception {
-        testRoundTrip_1(defaultTestFileDir + "/Tiny Sample - NEW - Metaxed.mp4");
+        testRoundTrip_1("Tiny Sample - NEW - Metaxed.mp4");
     }
 
     public void testRoundTrip_TinyExamples_Untouched() throws Exception {
-        testRoundTrip_1(defaultTestFileDir + "/Tiny Sample - NEW - Untouched.mp4");
+        testRoundTrip_1("Tiny Sample - NEW - Untouched.mp4");
     }
 
-
     public void testRoundTrip_1a() throws Exception {
-        testRoundTrip_1(defaultTestFileDir + "/multiTrack.3gp");
+        testRoundTrip_1("multiTrack.3gp");
     }
 
     public void testRoundTrip_1b() throws Exception {
-        testRoundTrip_1(defaultTestFileDir + "/MOV00006.3gp");
+        testRoundTrip_1("MOV00006.3gp");
     }
 
     public void testRoundTrip_1c() throws Exception {
-        testRoundTrip_1(defaultTestFileDir + "/Beethoven - Bagatelle op.119 no.11 i.m4a");
+        testRoundTrip_1("Beethoven - Bagatelle op.119 no.11 i.m4a");
     }
 
     public void testRoundTrip_1d() throws Exception {
-        testRoundTrip_1(defaultTestFileDir + "/test.m4p");
+        testRoundTrip_1("test.m4p");
     }
 
     public void testRoundTrip_1e() throws Exception {
-        testRoundTrip_1(defaultTestFileDir + "/test-pod.m4a");
+        testRoundTrip_1("test-pod.m4a");
     }
 
     public void testRoundTrip_QuickTimeFormat() throws Exception {
-        testRoundTrip_1(defaultTestFileDir + "/QuickTimeFormat.mp4");
+        testRoundTrip_1("QuickTimeFormat.mp4");
     }
 
-
     public void testRoundTrip_1(String originalFile) throws Exception {
 
         long start1 = System.currentTimeMillis();
         long start2 = System.currentTimeMillis();
+        
+        try (InputStream is = getClass().getClassLoader().getResourceAsStream(originalFile);
+                ReadableByteChannel channel = Channels.newChannel(is)) {
+            IsoFile isoFile = new IsoFile(channel);
 
-        IsoFile isoFile = new IsoFile(new FileInputStream(originalFile).getChannel());
-
-        long start3 = System.currentTimeMillis();
-
-
-        long start4 = System.currentTimeMillis();
-        Walk.through(isoFile);
-        long start5 = System.currentTimeMillis();
+            long start3 = System.currentTimeMillis();
 
 
-        ByteArrayOutputStream baos = new ByteArrayOutputStream();
-        isoFile.getBox(Channels.newChannel(baos));
+            long start4 = System.currentTimeMillis();
+            Walk.through(isoFile);
+            long start5 = System.currentTimeMillis();
 
+            ByteArrayOutputStream baos = new ByteArrayOutputStream();
+            isoFile.getBox(Channels.newChannel(baos));
 
-        long start6 = System.currentTimeMillis();
+            long start6 = System.currentTimeMillis();
 
      /*   System.err.println("Preparing tmp copy took: " + (start2 - start1) + "ms");
         System.err.println("Parsing took           : " + (start3 - start2) + "ms");
@@ -110,15 +97,12 @@ public void testRoundTrip_1(String originalFile) throws Exception {
         System.err.println("Walking took           : " + (start5 - start4) + "ms");*/
 
 
-        IsoFile copyViaIsoFileReparsed = new IsoFile(new ByteBufferByteChannel(baos.toByteArray()));
-        BoxComparator.check(isoFile, copyViaIsoFileReparsed, "moov[0]/mvhd[0]", "moov[0]/trak[0]/tkhd[0]", "moov[0]/trak[0]/mdia[0]/mdhd[0]");
-        isoFile.close();
-        copyViaIsoFileReparsed.close();
-        // as windows cannot delete file when something is memory mapped and the garbage collector
-        // doesn't necessarily free the Buffers quickly enough we cannot delete the file here (we could but only for linux)
-
-
+            IsoFile copyViaIsoFileReparsed = new IsoFile(new ByteBufferByteChannel(baos.toByteArray()));
+            BoxComparator.check(isoFile, copyViaIsoFileReparsed, "moov[0]/mvhd[0]", "moov[0]/trak[0]/tkhd[0]", "moov[0]/trak[0]/mdia[0]/mdhd[0]");
+            isoFile.close();
+            copyViaIsoFileReparsed.close();
+            // as windows cannot delete file when something is memory mapped and the garbage collector
+            // doesn't necessarily free the Buffers quickly enough we cannot delete the file here (we could but only for linux)
+        }
     }
-
-
 }
diff --git a/isoparser/src/test/java/org/mp4parser/SkippingBoxTest.java b/isoparser/src/test/java/org/mp4parser/SkippingBoxTest.java
index abbcdebc1..a2a050296 100644
--- a/isoparser/src/test/java/org/mp4parser/SkippingBoxTest.java
+++ b/isoparser/src/test/java/org/mp4parser/SkippingBoxTest.java
@@ -6,6 +6,9 @@
 
 import java.io.FileInputStream;
 import java.io.IOException;
+import java.io.InputStream;
+import java.nio.channels.Channels;
+import java.nio.channels.ReadableByteChannel;
 
 import org.junit.Before;
 import org.junit.Test;
@@ -20,9 +23,9 @@ public class SkippingBoxTest {
     
     @Before
     public void setup() throws IOException {
-        FileInputStream fis = new FileInputStream(PathTest.class.getProtectionDomain().getCodeSource().getLocation().getFile() + "/test.m4p");
-        isoFile = new IsoFile(fis.getChannel(), new PropertyBoxParserImpl().skippingBoxes("mdat", "mvhd"));
-        fis.close();
+        try (FileInputStream fis = new FileInputStream(getClass().getClassLoader().getResource("test.m4p").getPath())) {
+            isoFile = new IsoFile(fis.getChannel(), new PropertyBoxParserImpl().skippingBoxes("mdat", "mvhd"));
+        }
     }
 
 
diff --git a/isoparser/src/test/java/org/mp4parser/tools/PathTest.java b/isoparser/src/test/java/org/mp4parser/tools/PathTest.java
index 38896f1ef..d8c8c736b 100644
--- a/isoparser/src/test/java/org/mp4parser/tools/PathTest.java
+++ b/isoparser/src/test/java/org/mp4parser/tools/PathTest.java
@@ -14,7 +14,9 @@ public class PathTest {
 
     @Before
     public void setup() throws IOException {
-        isoFile = new IsoFile(new FileInputStream(PathTest.class.getProtectionDomain().getCodeSource().getLocation().getFile() + "/multiTrack.3gp").getChannel());
+        try (FileInputStream fis = new FileInputStream(getClass().getClassLoader().getResource("multiTrack.3gp").getPath())) {
+            isoFile = new IsoFile(fis.getChannel());
+        }
     }
 
 
diff --git a/muxer/src/test/java/org/mp4parser/muxer/CencFileRoundtripTest.java b/muxer/src/test/java/org/mp4parser/muxer/CencFileRoundtripTest.java
index dd18aead4..96ee1eba3 100644
--- a/muxer/src/test/java/org/mp4parser/muxer/CencFileRoundtripTest.java
+++ b/muxer/src/test/java/org/mp4parser/muxer/CencFileRoundtripTest.java
@@ -1,5 +1,19 @@
 package org.mp4parser.muxer;
 
+import java.io.ByteArrayOutputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.OutputStream;
+import java.nio.channels.Channels;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
+import java.util.UUID;
+
+import javax.crypto.SecretKey;
+import javax.crypto.spec.SecretKeySpec;
+
 import org.junit.Assert;
 import org.junit.Before;
 import org.junit.Test;
@@ -14,16 +28,7 @@
 import org.mp4parser.tools.ByteBufferByteChannel;
 import org.mp4parser.tools.RangeStartMap;
 
-import javax.crypto.SecretKey;
-import javax.crypto.spec.SecretKeySpec;
-import java.io.ByteArrayOutputStream;
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.nio.channels.Channels;
-import java.util.*;
-
 public class CencFileRoundtripTest {
-    private String baseDir = CencFileRoundtripTest.class.getProtectionDomain().getCodeSource().getLocation().getFile();
     private Map<UUID, SecretKey> keys;
     private RangeStartMap<Integer, UUID> keyRotation1;
     private RangeStartMap<Integer, UUID> keyRotation2;
@@ -59,67 +64,67 @@ public void setUp() throws Exception {
 
     @Test
     public void testSingleKeysStdMp4_cbc1() throws IOException {
-        testMultipleKeys(new DefaultMp4Builder(), baseDir + "/BBB_qpfile_10sec/BBB_fixedres_B_180x320_80.mp4", keys, keyRotation1, "cbc1",  false);
+        testMultipleKeys(new DefaultMp4Builder(), "BBB_qpfile_10sec/BBB_fixedres_B_180x320_80.mp4", keys, keyRotation1, "cbc1",  false);
     }
 
 
     @Test
     public void testSingleKeysFragMp4_cbc1() throws IOException {
-        testMultipleKeys(new FragmentedMp4Builder(), baseDir + "/BBB_qpfile_10sec/BBB_fixedres_B_180x320_80.mp4", keys, keyRotation1, "cbc1",  false);
+        testMultipleKeys(new FragmentedMp4Builder(), "BBB_qpfile_10sec/BBB_fixedres_B_180x320_80.mp4", keys, keyRotation1, "cbc1",  false);
     }
 
     @Test
     public void testSingleKeysStdMp4_cenc() throws IOException {
-        testMultipleKeys(new DefaultMp4Builder(), baseDir + "/BBB_qpfile_10sec/BBB_fixedres_B_180x320_80.mp4", keys, keyRotation1, "cenc",  false);
+        testMultipleKeys(new DefaultMp4Builder(), "BBB_qpfile_10sec/BBB_fixedres_B_180x320_80.mp4", keys, keyRotation1, "cenc",  false);
     }
 
     @Test
     public void testSingleKeysFragMp4_cenc() throws IOException {
-        testMultipleKeys(new FragmentedMp4Builder(), baseDir + "/BBB_qpfile_10sec/BBB_fixedres_B_180x320_80.mp4", keys, keyRotation1, "cenc",  false);
+        testMultipleKeys(new FragmentedMp4Builder(), "BBB_qpfile_10sec/BBB_fixedres_B_180x320_80.mp4", keys, keyRotation1, "cenc",  false);
     }
 
 
     @Test
     public void testClearLeadStdMp4_2_cbc1() throws IOException {
-        testMultipleKeys(new DefaultMp4Builder(), baseDir + "/BBB_qpfile_10sec/BBB_fixedres_B_180x320_80.mp4", keys, keyRotation2, "cbc1",  false);
+        testMultipleKeys(new DefaultMp4Builder(), "BBB_qpfile_10sec/BBB_fixedres_B_180x320_80.mp4", keys, keyRotation2, "cbc1",  false);
     }
 
     @Test
     public void testClearLeadFragMp4_2_cbc1() throws IOException {
-        testMultipleKeys(new FragmentedMp4Builder(), baseDir + "/BBB_qpfile_10sec/BBB_fixedres_B_180x320_80.mp4", keys, keyRotation2, "cbc1",  false);
+        testMultipleKeys(new FragmentedMp4Builder(), "BBB_qpfile_10sec/BBB_fixedres_B_180x320_80.mp4", keys, keyRotation2, "cbc1",  false);
     }
 
 
     @Test
     public void testClearLeadStdMp4_2_cenc() throws IOException {
-        testMultipleKeys(new DefaultMp4Builder(), baseDir + "/BBB_qpfile_10sec/BBB_fixedres_B_180x320_80.mp4", keys, keyRotation2, "cenc", false);
+        testMultipleKeys(new DefaultMp4Builder(), "BBB_qpfile_10sec/BBB_fixedres_B_180x320_80.mp4", keys, keyRotation2, "cenc", false);
     }
 
     @Test
     public void testClearLeadFragMp4_2_cenc() throws IOException {
-        testMultipleKeys(new FragmentedMp4Builder(), baseDir + "/BBB_qpfile_10sec/BBB_fixedres_B_180x320_80.mp4", keys, keyRotation2, "cenc", false);
+        testMultipleKeys(new FragmentedMp4Builder(), "BBB_qpfile_10sec/BBB_fixedres_B_180x320_80.mp4", keys, keyRotation2, "cenc", false);
     }
 
 
     @Test
     public void testMultipleKeysStdMp4_2_cbc1() throws IOException {
-        testMultipleKeys(new DefaultMp4Builder(), baseDir + "/BBB_qpfile_10sec/BBB_fixedres_B_180x320_80.mp4", keys, keyRotation3, "cbc1",  false);
+        testMultipleKeys(new DefaultMp4Builder(), "BBB_qpfile_10sec/BBB_fixedres_B_180x320_80.mp4", keys, keyRotation3, "cbc1",  false);
     }
 
     @Test
     public void testMultipleKeysFragMp4_2_cbc1() throws IOException {
-        testMultipleKeys(new FragmentedMp4Builder(), baseDir + "/BBB_qpfile_10sec/BBB_fixedres_B_180x320_80.mp4", keys, keyRotation3, "cbc1",  false);
+        testMultipleKeys(new FragmentedMp4Builder(), "BBB_qpfile_10sec/BBB_fixedres_B_180x320_80.mp4", keys, keyRotation3, "cbc1",  false);
     }
 
 
     @Test
     public void testMultipleKeysStdMp4_2_cenc() throws IOException {
-        testMultipleKeys(new DefaultMp4Builder(), baseDir + "/BBB_qpfile_10sec/BBB_fixedres_B_180x320_80.mp4", keys, keyRotation3, "cenc", false);
+        testMultipleKeys(new DefaultMp4Builder(), "BBB_qpfile_10sec/BBB_fixedres_B_180x320_80.mp4", keys, keyRotation3, "cenc", false);
     }
 
     @Test
     public void testMultipleKeysFragMp4_2_cenc() throws IOException {
-        testMultipleKeys(new FragmentedMp4Builder(), baseDir + "/BBB_qpfile_10sec/BBB_fixedres_B_180x320_80.mp4", keys, keyRotation3, "cenc", false);
+        testMultipleKeys(new FragmentedMp4Builder(), "BBB_qpfile_10sec/BBB_fixedres_B_180x320_80.mp4", keys, keyRotation3, "cenc", false);
     }
 
 
@@ -128,13 +133,14 @@ public void testMultipleKeysFragMp4_2_cenc() throws IOException {
 
     @Test
     public void testMultipleKeysFragMp4_2_cenc_pseudo_encrypted() throws IOException {
-        testMultipleKeys(new FragmentedMp4Builder(), baseDir + "/BBB_qpfile_10sec/BBB_fixedres_B_180x320_80.mp4", keys, keyRotation2, "cenc", true);
+        testMultipleKeys(new FragmentedMp4Builder(), "BBB_qpfile_10sec/BBB_fixedres_B_180x320_80.mp4", keys, keyRotation2, "cenc", true);
     }
 
     private void testMultipleKeys(Mp4Builder builder, String testFile, Map<UUID, SecretKey> keys,
                                   RangeStartMap<Integer, UUID> keyRotation,
                                   String encAlgo, boolean encryptButClear) throws IOException {
-        Movie m1 = MovieCreator.build(testFile);
+        String filePath = getClass().getClassLoader().getResource(testFile).getPath();
+        Movie m1 = MovieCreator.build(filePath);
         Movie m2 = new Movie();
         for (Track track : m1.getTracks()) {
             CencEncryptingTrackImpl cencEncryptingTrack =
@@ -145,7 +151,9 @@ private void testMultipleKeys(Mp4Builder builder, String testFile, Map<UUID, Sec
 
         ByteArrayOutputStream baos = new ByteArrayOutputStream();
         c.writeContainer(Channels.newChannel(baos));
-        new FileOutputStream("m2.mp4").write(baos.toByteArray());
+        try (OutputStream os = new FileOutputStream("m2.mp4")) {
+            os.write(baos.toByteArray());
+        }
 
         Movie m3 = MovieCreator.build(
                 new ByteBufferByteChannel(baos.toByteArray()),
diff --git a/muxer/src/test/java/org/mp4parser/muxer/FragmentedMp4BuilderTest.java b/muxer/src/test/java/org/mp4parser/muxer/FragmentedMp4BuilderTest.java
index 9cbd3d8f7..c40e7f2d0 100644
--- a/muxer/src/test/java/org/mp4parser/muxer/FragmentedMp4BuilderTest.java
+++ b/muxer/src/test/java/org/mp4parser/muxer/FragmentedMp4BuilderTest.java
@@ -16,8 +16,8 @@ public class FragmentedMp4BuilderTest {
     @Test
     public void testSimpleMuxing() throws Exception {
         Movie m = new Movie();
-        Movie v = MovieCreator.build(FragmentedMp4BuilderTest.class.getProtectionDomain().getCodeSource().getLocation().getFile() + "/BBB_qpfile_10sec/BBB_fixedres_B_180x320_80.mp4");
-        Movie a = MovieCreator.build(FragmentedMp4BuilderTest.class.getProtectionDomain().getCodeSource().getLocation().getFile() + "/BBB_qpfile_10sec/output_audio-2ch-20s.mp4");
+        Movie v = MovieCreator.build(FragmentedMp4BuilderTest.class.getClassLoader().getResource("BBB_qpfile_10sec/BBB_fixedres_B_180x320_80.mp4").toURI().getPath());
+        Movie a = MovieCreator.build(FragmentedMp4BuilderTest.class.getClassLoader().getResource("BBB_qpfile_10sec/output_audio-2ch-20s.mp4").toURI().getPath());
 
         m.addTrack(v.getTracks().get(0));
         m.addTrack(a.getTracks().get(0));
diff --git a/muxer/src/test/java/org/mp4parser/muxer/InTestMovieCreator.java b/muxer/src/test/java/org/mp4parser/muxer/InTestMovieCreator.java
index 46e975005..cbf96e338 100644
--- a/muxer/src/test/java/org/mp4parser/muxer/InTestMovieCreator.java
+++ b/muxer/src/test/java/org/mp4parser/muxer/InTestMovieCreator.java
@@ -1,15 +1,16 @@
 package org.mp4parser.muxer;
 
-import org.mp4parser.muxer.container.mp4.MovieCreator;
-
 import java.io.IOException;
+import java.net.URISyntaxException;
+
+import org.mp4parser.muxer.container.mp4.MovieCreator;
 
 
 public class InTestMovieCreator {
-    public static Movie createMovieOnlyVideo(String... names) throws IOException {
+    public static Movie createMovieOnlyVideo(String... names) throws IOException, URISyntaxException {
         Movie m = new Movie();
         for (String name : names) {
-            Movie m1 = MovieCreator.build((InTestMovieCreator.class.getProtectionDomain().getCodeSource().getLocation().getFile() + name));
+            Movie m1 = MovieCreator.build((InTestMovieCreator.class.getClassLoader().getResource(name).toURI().getPath()));
             for (Track track : m1.getTracks()) {
                 if ("vide".equals(track.getHandler())) {
                     m.addTrack(track);
diff --git a/muxer/src/test/java/org/mp4parser/muxer/builder/DefaultFragmenterTest.java b/muxer/src/test/java/org/mp4parser/muxer/builder/DefaultFragmenterTest.java
index 148927276..92f2fd1d4 100644
--- a/muxer/src/test/java/org/mp4parser/muxer/builder/DefaultFragmenterTest.java
+++ b/muxer/src/test/java/org/mp4parser/muxer/builder/DefaultFragmenterTest.java
@@ -9,11 +9,13 @@
  * Just check it works.
  */
 public class DefaultFragmenterTest {
-    long[] samples = new long[]{1, 87, 174, 261, 348, 435, 522, 609, 696, 783, 870, 957, 1044, 1131, 1218, 1305, 1392, 1479, 1566, 1653, 1740, 1827, 1914, 2001, 2088, 2175, 2262, 2349, 2436, 2523, 2610, 2697, 2784, 2871, 2958, 3045, 3132, 3219, 3306, 3393, 3480, 3567, 3654, 3741, 3828, 3915, 4002, 4089, 4176, 4263, 4350, 4437, 4524, 4611, 4698, 4785};
+    long[] samples = new long[] { 1, 87, 174, 261, 348, 435, 522, 609, 696, 783, 870, 957, 1044, 1131, 1218, 1305, 1392, 1479, 1566, 1653, 1740, 1827, 1914,
+            2001, 2088, 2175, 2262, 2349, 2436, 2523, 2610, 2697, 2784, 2871, 2958, 3045, 3132, 3219, 3306, 3393, 3480, 3567, 3654, 3741, 3828, 3915, 4002,
+            4089, 4176, 4263, 4350, 4437, 4524, 4611, 4698, 4785 };
 
     @Test
     public void testSampleNumbers() throws Exception {
-        String f = DefaultFragmenterTest.class.getProtectionDomain().getCodeSource().getLocation().getFile() + "/Beethoven - Bagatelle op.119 no.11 i.m4a";
+        String f = DefaultFragmenterTest.class.getClassLoader().getResource("Beethoven - Bagatelle op.119 no.11 i.m4a").toURI().getPath();
         Movie m = MovieCreator.build(f);
         DefaultFragmenterImpl intersectionFinder = new DefaultFragmenterImpl(2);
         long[] s = intersectionFinder.sampleNumbers(m.getTracks().get(0));
diff --git a/muxer/src/test/java/org/mp4parser/muxer/builder/SyncSampleIntersectFinderImplTest.java b/muxer/src/test/java/org/mp4parser/muxer/builder/SyncSampleIntersectFinderImplTest.java
index 40f723df7..887d6c8fd 100644
--- a/muxer/src/test/java/org/mp4parser/muxer/builder/SyncSampleIntersectFinderImplTest.java
+++ b/muxer/src/test/java/org/mp4parser/muxer/builder/SyncSampleIntersectFinderImplTest.java
@@ -1,22 +1,23 @@
 package org.mp4parser.muxer.builder;
 
 
+import java.io.IOException;
+import java.net.URISyntaxException;
+
 import org.junit.Assert;
 import org.junit.Test;
 import org.mp4parser.muxer.InTestMovieCreator;
 import org.mp4parser.muxer.Movie;
 import org.mp4parser.muxer.Track;
 
-import java.io.IOException;
-
 public class SyncSampleIntersectFinderImplTest {
 
 
     @Test
-    public void testFindSameFrameRate() throws IOException {
+    public void testFindSameFrameRate() throws IOException, URISyntaxException {
         Movie m = InTestMovieCreator.createMovieOnlyVideo(
-                "/BBB_qpfile_10sec/BBB_fixedres_B_180x320_150.mp4",
-                "/BBB_qpfile_10sec/BBB_fixedres_B_180x320_200.mp4"
+                "BBB_qpfile_10sec/BBB_fixedres_B_180x320_150.mp4",
+                "BBB_qpfile_10sec/BBB_fixedres_B_180x320_200.mp4"
         );
 
         SyncSampleIntersectFinderImpl syncSampleIntersectFinder = new SyncSampleIntersectFinderImpl(m, null, -1);
@@ -62,7 +63,7 @@ public void testGetIndicesToBeRemovedMinTwoSecondsFragments() {
     }
 
     @Test
-    public void testFindDifferentFrameRates() throws IOException {
+    public void testFindDifferentFrameRates() throws IOException, URISyntaxException {
 
         /*Movie m = createMovieOnlyVideo(
                 "/working_now/FBW_fixedres_B_640x360_200.mp4",
@@ -72,11 +73,11 @@ public void testFindDifferentFrameRates() throws IOException {
                 "/working_now/FBW_fixedres_B_640x360_2400.mp4"
         );    */
         Movie m = InTestMovieCreator.createMovieOnlyVideo(
-                "/BBB_qpfile_10sec/BBB_fixedres_B_180x320_80.mp4",
-                "/BBB_qpfile_10sec/BBB_fixedres_B_180x320_100.mp4",
-                "/BBB_qpfile_10sec/BBB_fixedres_B_180x320_120.mp4",
-                "/BBB_qpfile_10sec/BBB_fixedres_B_180x320_150.mp4",
-                "/BBB_qpfile_10sec/BBB_fixedres_B_180x320_200.mp4"
+                "BBB_qpfile_10sec/BBB_fixedres_B_180x320_80.mp4",
+                "BBB_qpfile_10sec/BBB_fixedres_B_180x320_100.mp4",
+                "BBB_qpfile_10sec/BBB_fixedres_B_180x320_120.mp4",
+                "BBB_qpfile_10sec/BBB_fixedres_B_180x320_150.mp4",
+                "BBB_qpfile_10sec/BBB_fixedres_B_180x320_200.mp4"
         );
         SyncSampleIntersectFinderImpl syncSampleIntersectFinder = new SyncSampleIntersectFinderImpl(m, null, -1);
         long[] fragmentStartSamplesRef = null;
diff --git a/muxer/src/test/java/org/mp4parser/muxer/samples/DefaultMp4SampleListTest.java b/muxer/src/test/java/org/mp4parser/muxer/samples/DefaultMp4SampleListTest.java
index 7b9f29c46..e49e66801 100644
--- a/muxer/src/test/java/org/mp4parser/muxer/samples/DefaultMp4SampleListTest.java
+++ b/muxer/src/test/java/org/mp4parser/muxer/samples/DefaultMp4SampleListTest.java
@@ -10,6 +10,7 @@
 import java.io.FileInputStream;
 import java.io.IOException;
 import java.io.RandomAccessFile;
+import java.net.URISyntaxException;
 import java.security.MessageDigest;
 import java.security.NoSuchAlgorithmException;
 import java.util.Arrays;
@@ -149,9 +150,8 @@ public class DefaultMp4SampleListTest {
     );
 
     @Test
-    public void checkSampleList() throws IOException, NoSuchAlgorithmException {
-        String filename = this.getClass().getProtectionDomain().getCodeSource().getLocation().getFile() +
-                "/org/mp4parser/muxer/samples/1365070268951.mp4";
+    public void checkSampleList() throws IOException, NoSuchAlgorithmException, URISyntaxException {
+        String filename = this.getClass().getClassLoader().getResource("org/mp4parser/muxer/samples/1365070268951.mp4").toURI().getPath();
         IsoFile isoFile = new IsoFile(new FileInputStream(filename).getChannel());
         Mp4SampleList sl = new Mp4SampleList(1, isoFile, new FileRandomAccessSourceImpl(new RandomAccessFile(filename, "r")));
         MessageDigest md5 = MessageDigest.getInstance("MD5");
diff --git a/muxer/src/test/java/org/mp4parser/muxer/tracks/AACTrackImplTest.java b/muxer/src/test/java/org/mp4parser/muxer/tracks/AACTrackImplTest.java
index d1892ba0d..f0c4b6fb0 100644
--- a/muxer/src/test/java/org/mp4parser/muxer/tracks/AACTrackImplTest.java
+++ b/muxer/src/test/java/org/mp4parser/muxer/tracks/AACTrackImplTest.java
@@ -29,6 +29,7 @@
 
 import java.io.ByteArrayOutputStream;
 import java.io.IOException;
+import java.net.URISyntaxException;
 import java.nio.channels.Channels;
 
 /**
@@ -49,9 +50,9 @@ public static void main(String[] args) throws IOException {
     }
 
     @Test
-    public void freeze() throws IOException {
-        Track t = new AACTrackImpl(new FileDataSourceImpl(this.getClass().getProtectionDomain().getCodeSource().getLocation().getFile() + "/org/mp4parser/muxer/tracks/aac-sample.aac"));
-        //Track t = new AACTrackImpl2(new FileInputStream(this.getClass().getProtectionDomain().getCodeSource().getLocation().getFile() + "/com/googlecode/mp4parser/authoring/tracks/aac-sample.aac"));
+    public void freeze() throws IOException, URISyntaxException {
+        Track t = new AACTrackImpl(new FileDataSourceImpl(this.getClass().getClassLoader().getResource("org/mp4parser/muxer/tracks/aac-sample.aac").toURI().getPath()));
+        //Track t = new AACTrackImpl2(new FileInputStream(this.getClass().getClassLoader().getResource("com/googlecode/mp4parser/authoring/tracks/aac-sample.aac").toURI().getPath()));
         Movie m = new Movie();
         m.addTrack(t);
 
@@ -59,7 +60,7 @@ public void freeze() throws IOException {
         Container c = mp4Builder.build(m);
         //c.writeContainer(new FileOutputStream("C:\\dev\\mp4parser\\isoparser\\src\\test\\resources\\com\\googlecode\\mp4parser\\authoring\\tracks\\aac-sample.mp4").getChannel());
 
-        IsoFile isoFileReference = new IsoFile(this.getClass().getProtectionDomain().getCodeSource().getLocation().getFile() + "/org/mp4parser/muxer/tracks/aac-sample.mp4");
+        IsoFile isoFileReference = new IsoFile(this.getClass().getClassLoader().getResource("org/mp4parser/muxer/tracks/aac-sample.mp4").toURI().getPath());
         BoxComparator.check(c, isoFileReference, "moov[0]/mvhd[0]", "moov[0]/trak[0]/tkhd[0]", "moov[0]/trak[0]/mdia[0]/mdhd[0]", "moov[0]/trak[0]/mdia[0]/minf[0]/stbl[0]/stco[0]");
     }
 }
diff --git a/muxer/src/test/java/org/mp4parser/muxer/tracks/AC3TrackImplTest.java b/muxer/src/test/java/org/mp4parser/muxer/tracks/AC3TrackImplTest.java
index 22646716f..8bc0941e7 100644
--- a/muxer/src/test/java/org/mp4parser/muxer/tracks/AC3TrackImplTest.java
+++ b/muxer/src/test/java/org/mp4parser/muxer/tracks/AC3TrackImplTest.java
@@ -11,11 +11,12 @@
 
 import java.io.FileInputStream;
 import java.io.IOException;
+import java.net.URISyntaxException;
 
 public class AC3TrackImplTest {
     @Test
-    public void freeze() throws IOException {
-        Track t = new AC3TrackImpl(new FileDataSourceImpl(this.getClass().getProtectionDomain().getCodeSource().getLocation().getFile() + "/org/mp4parser/muxer/tracks/ac3-sample.ac3"));
+    public void freeze() throws IOException, URISyntaxException {
+        Track t = new AC3TrackImpl(new FileDataSourceImpl(this.getClass().getClassLoader().getResource("org/mp4parser/muxer/tracks/ac3-sample.ac3").toURI().getPath()));
         Movie m = new Movie();
         m.addTrack(t);
 
@@ -24,7 +25,7 @@ public void freeze() throws IOException {
         //WritableByteChannel fc = new FileOutputStream("ac3-sample.mp4").getChannel();
         //isoFile.writeContainer(fc);
         //fc.close();
-        IsoFile isoFileReference = new IsoFile(new FileInputStream(this.getClass().getProtectionDomain().getCodeSource().getLocation().getFile() + "/org/mp4parser/muxer/tracks/ac3-sample.mp4").getChannel());
+        IsoFile isoFileReference = new IsoFile(new FileInputStream(this.getClass().getClassLoader().getResource("org/mp4parser/muxer/tracks/ac3-sample.mp4").toURI().getPath()).getChannel());
         BoxComparator.check(isoFile, isoFileReference, "moov[0]/mvhd[0]", "moov[0]/trak[0]/tkhd[0]", "moov[0]/trak[0]/mdia[0]/mdhd[0]");
     }
 }
diff --git a/muxer/src/test/java/org/mp4parser/muxer/tracks/CencTracksImplTest.java b/muxer/src/test/java/org/mp4parser/muxer/tracks/CencTracksImplTest.java
index 29bc946ed..e714a3f25 100644
--- a/muxer/src/test/java/org/mp4parser/muxer/tracks/CencTracksImplTest.java
+++ b/muxer/src/test/java/org/mp4parser/muxer/tracks/CencTracksImplTest.java
@@ -32,8 +32,7 @@ public class CencTracksImplTest {
     public void testEncryptDecryptDefaultMp4() throws Exception {
         SecretKey sk = new SecretKeySpec(new byte[]{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, "AES");
         Movie m = MovieCreator.build(
-                CencTracksImplTest.class.getProtectionDomain().getCodeSource().getLocation().getFile() +
-                        "/org/mp4parser/muxer/samples/1365070268951.mp4");
+                CencTracksImplTest.class.getClassLoader().getResource("org/mp4parser/muxer/samples/1365070268951.mp4").toURI().getPath());
 
         List<Track> encTracks = new LinkedList<Track>();
         for (Track track : m.getTracks()) {
@@ -66,8 +65,7 @@ public void testEncryptDecryptDefaultMp4() throws Exception {
     public void testEncryptDecryptFragmentedMp4() throws Exception {
         SecretKey sk = new SecretKeySpec(new byte[]{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, "AES");
         Movie m = MovieCreator.build(
-                CencTracksImplTest.class.getProtectionDomain().getCodeSource().getLocation().getFile() +
-                        "/org/mp4parser/muxer/samples/1365070268951.mp4");
+                CencTracksImplTest.class.getClassLoader().getResource("org/mp4parser/muxer/samples/1365070268951.mp4").toURI().getPath());
 
         List<Track> encTracks = new LinkedList<Track>();
         for (Track track : m.getTracks()) {
@@ -99,8 +97,7 @@ public void testEncryptDecryptCbc1FragmentedMp4() throws Exception {
         UUID keyId = UUID.randomUUID();
         SecretKey key = new SecretKeySpec(new byte[]{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, "AES");
         Movie m = MovieCreator.build(
-                CencTracksImplTest.class.getProtectionDomain().getCodeSource().getLocation().getFile() +
-                        "/org/mp4parser/muxer/samples/1365070268951.mp4");
+                CencTracksImplTest.class.getClassLoader().getResource("org/mp4parser/muxer/samples/1365070268951.mp4").toURI().getPath());
 
         List<Track> encTracks = new LinkedList<Track>();
         for (Track track : m.getTracks()) {
diff --git a/muxer/src/test/java/org/mp4parser/muxer/tracks/DTSTrackImplTest.java b/muxer/src/test/java/org/mp4parser/muxer/tracks/DTSTrackImplTest.java
index c49ad33ab..de9ab732c 100644
--- a/muxer/src/test/java/org/mp4parser/muxer/tracks/DTSTrackImplTest.java
+++ b/muxer/src/test/java/org/mp4parser/muxer/tracks/DTSTrackImplTest.java
@@ -20,7 +20,7 @@ public class DTSTrackImplTest {
     @Test
     public void checkOutputIsStable() throws Exception {
         Movie m = new Movie();
-        DTSTrackImpl dts = new DTSTrackImpl(new FileDataSourceImpl(DTSTrackImplTest.class.getProtectionDomain().getCodeSource().getLocation().getFile() + "/org/mp4parser/muxer/tracks/dts-sample.dtshd"));
+        DTSTrackImpl dts = new DTSTrackImpl(new FileDataSourceImpl(DTSTrackImplTest.class.getClassLoader().getResource("org/mp4parser/muxer/tracks/dts-sample.dtshd").toURI().getPath()));
         m.addTrack(dts);
         Fragmenter fif = new StaticFragmentIntersectionFinderImpl(Collections.singletonMap((Track) dts, new long[]{1}));
         DefaultMp4Builder mp4Builder = new DefaultMp4Builder();
@@ -31,7 +31,7 @@ public void checkOutputIsStable() throws Exception {
         ByteArrayOutputStream baos = new ByteArrayOutputStream();
         c.writeContainer(Channels.newChannel(baos));
         IsoFile ref = new IsoFile(
-                new FileInputStream(DTSTrackImplTest.class.getProtectionDomain().getCodeSource().getLocation().getFile() + "/org/mp4parser/muxer/tracks/dts-sample.mp4").getChannel());
+                new FileInputStream(DTSTrackImplTest.class.getClassLoader().getResource("org/mp4parser/muxer/tracks/dts-sample.mp4").toURI().getPath()).getChannel());
         BoxComparator.check(ref, c, "moov[0]/mvhd[0]", "moov[0]/trak[0]/tkhd[0]", "moov[0]/trak[0]/mdia[0]/mdhd[0]");
 
 
diff --git a/muxer/src/test/java/org/mp4parser/muxer/tracks/H264TrackImplTest.java b/muxer/src/test/java/org/mp4parser/muxer/tracks/H264TrackImplTest.java
index d7ff29b91..dc2fc2ec4 100644
--- a/muxer/src/test/java/org/mp4parser/muxer/tracks/H264TrackImplTest.java
+++ b/muxer/src/test/java/org/mp4parser/muxer/tracks/H264TrackImplTest.java
@@ -28,6 +28,7 @@
 
 import java.io.FileOutputStream;
 import java.io.IOException;
+import java.net.URISyntaxException;
 
 /**
  * Simple test to make sure nothing breaks.
@@ -35,8 +36,8 @@
 public class H264TrackImplTest {
 
     @Test
-    public void freeze() throws IOException {
-        DataSource fc = new FileDataSourceImpl(getClass().getProtectionDomain().getCodeSource().getLocation().getFile() + "/org/mp4parser/muxer/tracks/h264-sample.h264");
+    public void freeze() throws IOException, URISyntaxException {
+        DataSource fc = new FileDataSourceImpl(getClass().getClassLoader().getResource("org/mp4parser/muxer/tracks/h264-sample.h264").toURI().getPath());
         H264TrackImpl.BUFFER = 65535; // make sure we are not just in one buffer
         Track t = new H264TrackImpl(fc);
         Movie m = new Movie();
@@ -48,7 +49,7 @@ public void freeze() throws IOException {
       // c.writeContainer(new FileOutputStream("/Users/sannies/dev/mp4parser/muxer/src/test/resources/org/mp4parser/muxer/tracks/h264-sample.mp4").getChannel());
 
 
-        IsoFile isoFileReference = new IsoFile(getClass().getProtectionDomain().getCodeSource().getLocation().getFile() + "org/mp4parser/muxer/tracks/h264-sample.mp4");
+        IsoFile isoFileReference = new IsoFile(getClass().getClassLoader().getResource("org/mp4parser/muxer/tracks/h264-sample.mp4").toURI().getPath());
         BoxComparator.check(c, isoFileReference, "moov[0]/mvhd[0]", "moov[0]/trak[0]/tkhd[0]", "moov[0]/trak[0]/mdia[0]/mdhd[0]", "moov[0]/trak[0]/mdia[0]/minf[0]/stbl[0]/stco[0]");
     }
 }
diff --git a/muxer/src/test/java/org/mp4parser/muxer/tracks/ttml/TtmlHelpersTest.java b/muxer/src/test/java/org/mp4parser/muxer/tracks/ttml/TtmlHelpersTest.java
index bf70ef51e..cc598701f 100644
--- a/muxer/src/test/java/org/mp4parser/muxer/tracks/ttml/TtmlHelpersTest.java
+++ b/muxer/src/test/java/org/mp4parser/muxer/tracks/ttml/TtmlHelpersTest.java
@@ -40,7 +40,7 @@ public void testToTimeExpression() throws Exception {
     public void testDeepCopyDocument() throws IOException, ParserConfigurationException, SAXException, XPathExpressionException, URISyntaxException {
         DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory.newInstance();
         DocumentBuilder db = documentBuilderFactory.newDocumentBuilder();
-        Document ttml = db.parse(new InputSource(TtmlHelpersTest.class.getProtectionDomain().getCodeSource().getLocation().getFile() + "/org/mp4parser/muxer/tracks/ttml/tos-chapters-en.xml"));
+        Document ttml = db.parse(new InputSource(TtmlHelpersTest.class.getClassLoader().getResource("org/mp4parser/muxer/tracks/ttml/tos-chapters-en.xml").toURI().getPath()));
         //Document ttml = db.parse(new InputSource("http://localhost/mp4parser/isoparser/src/test/resources/com/googlecode/mp4parser/authoring/tracks/ttml/tos-chapters-en.xml"));
         File master = File.createTempFile("TtmlHelpersTest", "testDeepCopyDocument");
         master.delete();