diff --git a/pom.xml b/pom.xml
index fc17d43..e7ae762 100644
--- a/pom.xml
+++ b/pom.xml
@@ -149,6 +149,11 @@
             <artifactId>commons-cli</artifactId>
             <version>1.5.0</version>
         </dependency>
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-lang3</artifactId>
+            <version>3.12.0</version>
+        </dependency>
         <!-- endregion -->
         <!-- region unit-tests -->
         <dependency>
diff --git a/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/AttributeUpdaterKernel.java b/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/AttributeUpdaterKernel.java
index 1663935..42883d9 100644
--- a/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/AttributeUpdaterKernel.java
+++ b/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/AttributeUpdaterKernel.java
@@ -1,10 +1,12 @@
 package at.pcgamingfreaks.mkvaudiosubtitlechanger;
 
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.impl.FileCollector;
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.impl.FileProcessor;
 import at.pcgamingfreaks.mkvaudiosubtitlechanger.model.AttributeConfig;
-import at.pcgamingfreaks.mkvaudiosubtitlechanger.intimpl.ConfigProcessor;
-import at.pcgamingfreaks.mkvaudiosubtitlechanger.intimpl.MkvFileCollector;
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.impl.ConfigProcessorOld;
 import at.pcgamingfreaks.mkvaudiosubtitlechanger.model.FileAttribute;
 import at.pcgamingfreaks.mkvaudiosubtitlechanger.config.Config;
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.model.FileInfoDto;
 import lombok.SneakyThrows;
 import lombok.extern.log4j.Log4j2;
 
@@ -16,19 +18,30 @@ import java.util.concurrent.*;
 public class AttributeUpdaterKernel {
 
     ExecutorService executor = Executors.newFixedThreadPool(Config.getInstance().getThreadCount());
-    MkvFileCollector collector = new MkvFileCollector();
+    FileCollector collector;
+    FileProcessor processor;
     int filesChangedAmount = 0;
     int filesNotChangedAmount = 0;
     long runtime = 0;
 
+    public AttributeUpdaterKernel(FileCollector collector, FileProcessor processor) {
+        this.collector = collector;
+        this.processor = processor;
+    }
+
     @SneakyThrows
     public void execute() {
         long beforeTimer = System.currentTimeMillis();
 
-        collector.loadFiles(Config.getInstance().getLibraryPath())
-                .forEach(file -> executor.submit(() -> process(file)));
+
+
+        List<File> files = collector.loadFiles(Config.getInstance().getLibraryPath());
+        files.forEach(file -> executor.submit(() -> process(file)));
         executor.shutdown();
         executor.awaitTermination(1, TimeUnit.DAYS);
+
+
+
         runtime = System.currentTimeMillis() - beforeTimer;
 
         System.out.printf("%nFiles %schanged: %s%n",
@@ -40,13 +53,13 @@ public class AttributeUpdaterKernel {
         System.out.printf("Runtime: %ss%n", runtime / 1000);
     }
 
-    private void process(File file) {
-        List<FileAttribute> attributes = collector.loadAttributes(file);
+    private void processOld(File file) {
+        List<FileAttribute> attributes = processor.loadAttributes(file);
         boolean fileHasChanged = false;
 
         if (attributes.isEmpty()) return;
         for(AttributeConfig config : Config.getInstance().getAttributeConfig()){
-            fileHasChanged = new ConfigProcessor(config).processConfig(file, attributes);
+            fileHasChanged = new ConfigProcessorOld(config).processConfig(file, attributes);
             if(fileHasChanged) break;
         }
         if(!fileHasChanged){
@@ -57,4 +70,12 @@ public class AttributeUpdaterKernel {
         }
         System.out.print(".");
     }
+
+    private void process(File file) {
+        List<FileAttribute> attributes = processor.loadAttributes(file);
+        FileInfoDto fileInfo = processor.filterAttributes(attributes);
+        if (fileInfo.isChangeNecessary() && !Config.getInstance().isSafeMode()) {
+            processor.update(file, fileInfo);
+        }
+    }
 }
diff --git a/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/Main.java b/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/Main.java
index 8b1932c..e99e7e6 100644
--- a/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/Main.java
+++ b/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/Main.java
@@ -1,6 +1,8 @@
 package at.pcgamingfreaks.mkvaudiosubtitlechanger;
 
 import at.pcgamingfreaks.mkvaudiosubtitlechanger.config.Config;
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.impl.MkvFileCollector;
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.impl.MkvFileProcessor;
 import lombok.extern.log4j.Log4j2;
 import org.apache.commons.cli.*;
 
@@ -10,7 +12,7 @@ import static java.lang.Integer.parseInt;
 public class Main {
     public static void main(String[] args) {
         initConfig(args);
-        AttributeUpdaterKernel kernel = new AttributeUpdaterKernel();
+        AttributeUpdaterKernel kernel = new AttributeUpdaterKernel(new MkvFileCollector(), new MkvFileProcessor());
         kernel.execute();
     }
 
diff --git a/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/intimpl/ConfigProcessor.java b/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/impl/ConfigProcessorOld.java
similarity index 94%
rename from src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/intimpl/ConfigProcessor.java
rename to src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/impl/ConfigProcessorOld.java
index 9b31f3b..44c2dab 100644
--- a/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/intimpl/ConfigProcessor.java
+++ b/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/impl/ConfigProcessorOld.java
@@ -1,4 +1,4 @@
-package at.pcgamingfreaks.mkvaudiosubtitlechanger.intimpl;
+package at.pcgamingfreaks.mkvaudiosubtitlechanger.impl;
 
 import at.pcgamingfreaks.mkvaudiosubtitlechanger.config.Config;
 import at.pcgamingfreaks.mkvaudiosubtitlechanger.model.AttributeConfig;
@@ -17,12 +17,12 @@ import java.util.List;
 import static java.lang.String.format;
 
 @Log4j2
-public class ConfigProcessor {
+public class ConfigProcessorOld {
     private int audioDefault = - 1;
     private int subtitleDefault = - 1;
     private final AttributeConfig config;
 
-    public ConfigProcessor(AttributeConfig config) {
+    public ConfigProcessorOld(AttributeConfig config) {
         this.config = config;
     }
 
@@ -59,22 +59,22 @@ public class ConfigProcessor {
                 if(elem.isDefaultTrack()){
                     audioDefault = elem.getId();
                 }
-                if(config.getAudio().contains("OFF")){
+                if(config.getAudioLanguage().contains("OFF")){
                     transfer.setAudioOn(false);
                     transfer.setAudioIndex(- 2);
                 }
-                if(! config.getAudio().contains(elem.getLanguage())){
+                if(! config.getAudioLanguage().contains(elem.getLanguage())){
                     iterator.remove();
                 }
             }else if("subtitles".equals(elem.getType())){
                 if(elem.isDefaultTrack()){
                     subtitleDefault = elem.getId();
                 }
-                if(config.getSubtitle().contains("OFF")){
+                if(config.getSubtitleLanguage().contains("OFF")){
                     transfer.setSubtitleOn(false);
                     transfer.setSubtitleIndex(- 2);
                 }
-                if(! config.getSubtitle().contains(elem.getLanguage())){
+                if(! config.getSubtitleLanguage().contains(elem.getLanguage())){
                     iterator.remove();
                 }
             }
diff --git a/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/impl/FileCollector.java b/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/impl/FileCollector.java
new file mode 100644
index 0000000..d60ac8b
--- /dev/null
+++ b/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/impl/FileCollector.java
@@ -0,0 +1,13 @@
+package at.pcgamingfreaks.mkvaudiosubtitlechanger.impl;
+
+import java.io.File;
+import java.util.List;
+
+public interface FileCollector {
+
+    /**
+     * @param path leads to one file directly or a directory which will be loaded recursively
+     * @return list of all files within the directory
+     */
+    List<File> loadFiles(String path);
+}
diff --git a/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/impl/FileProcessor.java b/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/impl/FileProcessor.java
new file mode 100644
index 0000000..5175e3e
--- /dev/null
+++ b/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/impl/FileProcessor.java
@@ -0,0 +1,20 @@
+package at.pcgamingfreaks.mkvaudiosubtitlechanger.impl;
+
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.model.FileAttribute;
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.model.FileInfoDto;
+
+import java.io.File;
+import java.util.List;
+
+public interface FileProcessor {
+
+    /**
+     * @param file Takes the file from which the attributes will be returned
+     * @return list of all important attributes
+     */
+    List<FileAttribute> loadAttributes(File file);
+
+    FileInfoDto filterAttributes(List<FileAttribute> attributes);
+
+    void update(File file, FileInfoDto fileInfo);
+}
diff --git a/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/impl/MkvFileCollector.java b/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/impl/MkvFileCollector.java
new file mode 100644
index 0000000..6de706b
--- /dev/null
+++ b/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/impl/MkvFileCollector.java
@@ -0,0 +1,40 @@
+package at.pcgamingfreaks.mkvaudiosubtitlechanger.impl;
+
+import lombok.extern.log4j.Log4j2;
+
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+
+@Log4j2
+public class MkvFileCollector implements FileCollector {
+
+    @Override
+    public List<File> loadFiles(String path) {
+        File file = new File(path);
+        if (file.isFile() && file.getAbsolutePath().endsWith(".mkv")) {
+            return new ArrayList<File>() {{
+                add(file);
+            }};
+        } else if (file.isDirectory()) {
+            try (Stream<Path> paths = Files.walk(Paths.get(path))) {
+                return paths
+                        .filter(Files::isRegularFile)
+                        .map(Path::toFile)
+                        .filter(f -> f.getAbsolutePath().endsWith(".mkv"))
+                        .collect(Collectors.toList());
+            } catch (IOException e) {
+                log.error("Couldn't find file or directory!", e);
+                return new ArrayList<>();
+            }
+        } else {
+            return new ArrayList<>();
+        }
+    }
+}
diff --git a/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/impl/MkvFileProcessor.java b/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/impl/MkvFileProcessor.java
new file mode 100644
index 0000000..c13eb1c
--- /dev/null
+++ b/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/impl/MkvFileProcessor.java
@@ -0,0 +1,100 @@
+package at.pcgamingfreaks.mkvaudiosubtitlechanger.impl;
+
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.config.Config;
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.model.*;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import lombok.extern.log4j.Log4j2;
+import org.apache.commons.lang3.StringUtils;
+
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Locale;
+import java.util.Map;
+import java.util.stream.Collectors;
+
+import static at.pcgamingfreaks.mkvaudiosubtitlechanger.model.LaneType.AUDIO;
+import static at.pcgamingfreaks.mkvaudiosubtitlechanger.model.LaneType.SUBTITLES;
+
+@Log4j2
+public class MkvFileProcessor implements FileProcessor {
+    private final ObjectMapper mapper = new ObjectMapper();
+
+    @Override
+    public List<FileAttribute> loadAttributes(File file) {
+        Map<String, Object> jsonMap;
+        List<FileAttribute> fileAttributes = new ArrayList<>();
+        try {
+            String command = String.format("\"%s\"", Config.getInstance().getPathFor(MkvToolNix.MKV_MERGER));
+            String[] arguments = new String[]{
+                    command,
+                    "--identify",
+                    "--identification-format",
+                    "json",
+                    file.getAbsoluteFile().toString()
+            };
+
+            InputStream inputStream = Runtime.getRuntime().exec(arguments).getInputStream();
+            jsonMap = mapper.readValue(inputStream, Map.class);
+            List<Map<String, Object>> tracks = (List<Map<String, Object>>) jsonMap.get("tracks");
+            if (tracks == null) {
+                log.warn("Couldn't retrieve information of {}", file.getAbsoluteFile().toString());
+                return new ArrayList<>();
+            }
+            for (Map<String, Object> attribute : tracks) {
+                if (!"video".equals(attribute.get("type"))) {
+                    Map<String, Object> properties = (Map<String, Object>) attribute.get("properties");
+                    fileAttributes.add(new FileAttribute(
+                            (int) properties.get("number"),
+                            (String) properties.get("language"),
+                            (String) properties.get("track_name"),
+                            (Boolean) properties.getOrDefault("default_track", false),
+                            (Boolean) properties.getOrDefault("forced_track", false),
+                            LaneType.valueOf(((String) attribute.get("type")).toUpperCase(Locale.ENGLISH))));
+                }
+            }
+        } catch (IOException e) {
+            e.printStackTrace();
+            log.error("File could not be found or loaded!");
+        }
+        return fileAttributes;
+    }
+
+    @Override
+    public FileInfoDto filterAttributes(List<FileAttribute> attributes) {
+        FileInfoDto info = new FileInfoDto();
+        for (FileAttribute attribute: attributes) {
+            if (attribute.isDefaultTrack() && AUDIO.equals(attribute.getType())) info.setDefaultAudioLane(attribute);
+            if (attribute.isForcedTrack() && AUDIO.equals(attribute.getType())) info.setForcedAudioLane(attribute);
+
+            if (attribute.isDefaultTrack() && SUBTITLES.equals(attribute.getType())) info.setDefaultSubtitleLane(attribute);
+            if (attribute.isForcedTrack() && SUBTITLES.equals(attribute.getType())) info.setForcedSubtitleLane(attribute);
+        }
+        List<FileAttribute> nonForcedTracks = attributes.stream()
+                .filter(elem -> !StringUtils.containsIgnoreCase(elem.getTrackName(), "forced"))
+                .collect(Collectors.toList());
+        for (AttributeConfig config: Config.getInstance().getAttributeConfig()) {
+            FileAttribute desiredAudio = null;
+            FileAttribute desiredSubtitle = null;
+            for (FileAttribute attribute: nonForcedTracks) {
+                if ( attribute.getLanguage().equals(config.getAudioLanguage())
+                    && AUDIO.equals(attribute.getType())) desiredAudio = attribute;
+                if ( attribute.getLanguage().equals(config.getSubtitleLanguage())
+                    && SUBTITLES.equals(attribute.getType())) desiredSubtitle = attribute;
+            }
+            if (desiredAudio != null && desiredSubtitle != null) {
+                info.setDesiredAudioLane(desiredAudio);
+                info.setDesiredSubtitleLane(desiredSubtitle);
+                break;
+            }
+        }
+        return info;
+    }
+
+    @Override
+    public void update(File file, FileInfoDto fileInfo) {
+
+    }
+}
diff --git a/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/intimpl/FileCollector.java b/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/intimpl/FileCollector.java
deleted file mode 100644
index b369067..0000000
--- a/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/intimpl/FileCollector.java
+++ /dev/null
@@ -1,12 +0,0 @@
-package at.pcgamingfreaks.mkvaudiosubtitlechanger.intimpl;
-
-import at.pcgamingfreaks.mkvaudiosubtitlechanger.model.FileAttribute;
-
-import java.io.File;
-import java.util.List;
-
-public interface FileCollector {
-    List<File> loadFiles(String path);
-
-    List<FileAttribute> loadAttributes(File file);
-}
diff --git a/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/intimpl/MkvFileCollector.java b/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/intimpl/MkvFileCollector.java
deleted file mode 100644
index f83dd57..0000000
--- a/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/intimpl/MkvFileCollector.java
+++ /dev/null
@@ -1,95 +0,0 @@
-package at.pcgamingfreaks.mkvaudiosubtitlechanger.intimpl;
-
-import at.pcgamingfreaks.mkvaudiosubtitlechanger.model.FileAttribute;
-import at.pcgamingfreaks.mkvaudiosubtitlechanger.config.Config;
-import at.pcgamingfreaks.mkvaudiosubtitlechanger.model.MkvToolNix;
-import com.fasterxml.jackson.databind.ObjectMapper;
-import lombok.extern.log4j.Log4j2;
-
-import java.io.File;
-import java.io.IOException;
-import java.io.InputStream;
-import java.nio.file.Files;
-import java.nio.file.Path;
-import java.nio.file.Paths;
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Map;
-import java.util.stream.Collectors;
-import java.util.stream.Stream;
-
-@Log4j2
-public class MkvFileCollector implements FileCollector {
-    private final ObjectMapper mapper = new ObjectMapper();
-
-    /**
-     * @param path Is entered path, which leads to one file directly or a directory which will be loaded recursive
-     * @return list of all files within the directory, if it's only a file, the file will be returned in a list
-     */
-    @Override
-    public List<File> loadFiles(String path) {
-        File file = new File(path);
-        if (file.isFile() && file.getAbsolutePath().endsWith(".mkv")) {
-            return new ArrayList<File>() {{
-                add(file);
-            }};
-        } else if (file.isDirectory()) {
-            try (Stream<Path> paths = Files.walk(Paths.get(path))) {
-                return paths
-                        .filter(Files::isRegularFile)
-                        .map(Path::toFile)
-                        .filter(f -> f.getAbsolutePath().endsWith(".mkv"))
-                        .collect(Collectors.toList());
-            } catch (IOException e) {
-                log.error("Couldn't find file or directory!", e);
-                return new ArrayList<>();
-            }
-        } else {
-            return new ArrayList<>();
-        }
-    }
-
-    /**
-     * @param file Takes the file from which the attributes will be returned
-     * @return list of all important attributes
-     */
-    @Override
-    public List<FileAttribute> loadAttributes(File file) {
-        Map<String, Object> jsonMap;
-        List<FileAttribute> fileAttributes = new ArrayList<>();
-        try {
-            String command = String.format("\"%s\"", Config.getInstance().getPathFor(MkvToolNix.MKV_MERGER));
-            String[] array = new String[]{
-                    command,
-                    "--identify",
-                    "--identification-format",
-                    "json",
-                    file.getAbsoluteFile().toString()
-            };
-
-            InputStream inputStream = Runtime.getRuntime().exec(array).getInputStream();
-            jsonMap = mapper.readValue(inputStream, Map.class);
-            List<Map<String, Object>> tracks = (List<Map<String, Object>>) jsonMap.get("tracks");
-            if (tracks == null) {
-                log.warn("Couldn't retrieve information of {}", file.getAbsoluteFile().toString());
-                return new ArrayList<>();
-            }
-            for (Map<String, Object> attribute : tracks) {
-                if (!"video".equals(attribute.get("type"))) {
-                    Map<String, Object> properties = (Map<String, Object>) attribute.get("properties");
-                    fileAttributes.add(new FileAttribute(
-                            (int) properties.get("number"),
-                            (String) properties.get("language"),
-                            (String) properties.get("track_name"),
-                            (Boolean) properties.getOrDefault("default_track", false),
-                            (Boolean) properties.getOrDefault("forced_track", false),
-                            (String) attribute.get("type")));
-                }
-            }
-        } catch (IOException e) {
-            e.printStackTrace();
-            log.error("File could not be found or loaded!");
-        }
-        return fileAttributes;
-    }
-}
diff --git a/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/model/AttributeConfig.java b/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/model/AttributeConfig.java
index 354a6d4..2849946 100644
--- a/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/model/AttributeConfig.java
+++ b/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/model/AttributeConfig.java
@@ -3,29 +3,26 @@ package at.pcgamingfreaks.mkvaudiosubtitlechanger.model;
 import lombok.Getter;
 import lombok.extern.log4j.Log4j2;
 
-import java.util.List;
-import java.util.stream.Collectors;
-
 @Log4j2
 @Getter
 public class AttributeConfig {
-    private String audio;
-    private String subtitle;
+    private String audioLanguage;
+    private String subtitleLanguage;
 
-    public AttributeConfig(String audio, String subtitle) {
-        this.audio = audio;
-        this.subtitle = subtitle;
+    public AttributeConfig(String audioLanguage, String subtitleLanguage) {
+        this.audioLanguage = audioLanguage;
+        this.subtitleLanguage = subtitleLanguage;
     }
 
     public boolean isValid() {
-        return audio != null && subtitle != null;
+        return audioLanguage != null && subtitleLanguage != null;
     }
 
     @Override
     public String toString() {
         final StringBuffer sb = new StringBuffer("AttributeConfig{");
-        sb.append("audio='").append(audio).append('\'');
-        sb.append(", subtitle='").append(subtitle).append('\'');
+        sb.append("audioLanguage='").append(audioLanguage).append('\'');
+        sb.append(", subtitleLanguage='").append(subtitleLanguage).append('\'');
         sb.append('}');
         return sb.toString();
     }
diff --git a/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/model/FileAttribute.java b/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/model/FileAttribute.java
index 28a50f4..0932c0c 100644
--- a/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/model/FileAttribute.java
+++ b/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/model/FileAttribute.java
@@ -20,9 +20,10 @@ public class FileAttribute {
     private String trackName;
     private boolean defaultTrack;
     private boolean forcedTrack;
-    private String type;
+    private LaneType type;
 
-    public FileAttribute(int id, String language, String trackName, boolean defaultTrack, boolean forcedTrack, String type) {
+    public FileAttribute(int id, String language, String trackName, boolean defaultTrack, boolean forcedTrack,
+                         LaneType type) {
         this.id = id;
         this.language = language;
         this.trackName = trackName;
diff --git a/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/model/FileInfoDto.java b/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/model/FileInfoDto.java
new file mode 100644
index 0000000..9b8592e
--- /dev/null
+++ b/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/model/FileInfoDto.java
@@ -0,0 +1,20 @@
+package at.pcgamingfreaks.mkvaudiosubtitlechanger.model;
+
+import lombok.Getter;
+import lombok.Setter;
+
+@Getter
+@Setter
+public class FileInfoDto {
+    private FileAttribute defaultAudioLane;
+    private FileAttribute defaultSubtitleLane;
+    private FileAttribute forcedAudioLane;
+    private FileAttribute forcedSubtitleLane;
+    private FileAttribute desiredAudioLane;
+    private FileAttribute desiredSubtitleLane;
+
+    public boolean isChangeNecessary() {
+        return defaultAudioLane.getId() != desiredAudioLane.getId()
+                || defaultSubtitleLane.getId() != desiredSubtitleLane.getId();
+    }
+}
diff --git a/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/model/LaneType.java b/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/model/LaneType.java
new file mode 100644
index 0000000..0145370
--- /dev/null
+++ b/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/model/LaneType.java
@@ -0,0 +1,14 @@
+package at.pcgamingfreaks.mkvaudiosubtitlechanger.model;
+
+public enum LaneType {
+    AUDIO,
+    SUBTITLES;
+
+    LaneType() {
+    }
+
+    @Override
+    public String toString() {
+        return name();
+    }
+}
diff --git a/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/model/ResultStatistic.java b/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/model/ResultStatistic.java
new file mode 100644
index 0000000..8c354f0
--- /dev/null
+++ b/src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/model/ResultStatistic.java
@@ -0,0 +1,4 @@
+package at.pcgamingfreaks.mkvaudiosubtitlechanger.model;
+
+public class ResultStatistic {
+}