Improves configuration handling and stuff

src/main/java/net/knarcraft/ffmpegconverter/FFMpegConvert.java

@@ -1,7 +1,6 @@
 package net.knarcraft.ffmpegconverter;
 
-import net.knarcraft.ffmpegconverter.config.ConfigHandler;
-import net.knarcraft.ffmpegconverter.config.ConfigKey;
+import net.knarcraft.ffmpegconverter.config.Configuration;
 import net.knarcraft.ffmpegconverter.converter.AnimeConverter;
 import net.knarcraft.ffmpegconverter.converter.AudioConverter;
 import net.knarcraft.ffmpegconverter.converter.Converter;
@@ -15,9 +14,7 @@ import net.knarcraft.ffmpegconverter.converter.WebAnimeConverter;
 import net.knarcraft.ffmpegconverter.converter.WebVideoConverter;
 import net.knarcraft.ffmpegconverter.property.MinimalSubtitlePreference;
 import net.knarcraft.ffmpegconverter.utility.FileUtil;
-import net.knarcraft.ffmpegconverter.utility.ListUtil;
 import net.knarcraft.ffmpegconverter.utility.OutputUtil;
-import org.apache.commons.configuration2.Configuration;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
@@ -38,19 +35,10 @@ public class FFMpegConvert {
     private static final String FFMPEG_PATH = "ffmpeg"; //Can be just ffmpeg if it's in the path
     private static final Scanner READER = new Scanner(System.in, StandardCharsets.UTF_8);
     private static Converter converter = null;
-    private static final ConfigHandler configHandler = new ConfigHandler();
-    private static boolean debug = false;
-    private static boolean useHardwareAcceleration = false;
+    private static final Configuration configuration = new Configuration();
 
     public static void main(@NotNull String[] arguments) throws IOException {
-        Configuration configuration = configHandler.load();
-        if (configuration.containsKey(ConfigKey.DEBUG.toString())) {
-            debug = configuration.getBoolean(ConfigKey.DEBUG.toString());
-        }
-        OutputUtil.setDebug(debug);
-        if (configuration.containsKey(ConfigKey.USE_HARDWARE_ACCELERATION.toString())) {
-            useHardwareAcceleration = configuration.getBoolean(ConfigKey.USE_HARDWARE_ACCELERATION.toString());
-        }
+        OutputUtil.setDebug(configuration.isDebugEnabled());
 
         converter = loadConverter();
 
@@ -85,27 +73,10 @@ public class FFMpegConvert {
      * @return <p>The configuration handler</p>
      */
     @NotNull
-    public static ConfigHandler getConfigHandler() {
-        return configHandler;
+    public static Configuration getConfiguration() {
+        return configuration;
     }
 
-    /**
-     * Gets whether debug mode is enabled
-     *
-     * @return <p>True if debug mode is enabled</p>
-     */
-    public static boolean isDebugEnabled() {
-        return debug;
-    }
-
-    /**
-     * Gets whether hardware accelerated encoding is enabled
-     *
-     * @return <p>True if hardware accelerated encoding is enabled</p>
-     */
-    public static boolean useHardwareAcceleration() {
-        return useHardwareAcceleration;
-    }
 
     /**
      * Asks the user which converter they want, and assigns a converter instance to the converter variable
@@ -230,51 +201,37 @@ public class FFMpegConvert {
      */
     @Nullable
     private static Converter generateAnimeConverter() {
-        OutputUtil.println("[Audio languages jpn,eng,ger,fre] [Subtitle languages eng,ger,fre] [Minimal subtitle " +
-                "preference REQUIRE/PREFER/NO_PREFERENCE/AVOID/REJECT] [Forced audio index 0-n] " +
-                "[Forced subtitle index 0-n] [Force video encoding true/false] [Force audio encoding true/false] " +
-                "[Subtitle name filter]\nYour input: ");
-        List<String> input = readInput(8);
-        String[] audioLanguage = new String[]{"jpn", "nor", "eng", "0"};
-        String[] subtitleLanguage = new String[]{"nob", "nor", "eng", "jpn", "0"};
-        MinimalSubtitlePreference subtitlePreference = MinimalSubtitlePreference.AVOID;
+        OutputUtil.println("[Forced audio index 0-n] [Forced subtitle index 0-n] [Force video encoding true/false] " +
+                "[Force audio encoding true/false] [Subtitle name filter]\nYour input: ");
+        List<String> input = readInput(5);
         int forcedAudioIndex = 0;
         int forcedSubtitleIndex = 0;
         String subtitleNameFilter = "";
         boolean forceVideoEncoding = false;
         boolean forceAudioEncoding = false;
 
+        try {
             if (!input.isEmpty()) {
-            audioLanguage = ListUtil.getListFromCommaSeparatedString(input.get(0));
+                forcedAudioIndex = Integer.parseInt(input.get(0));
             }
             if (input.size() > 1) {
-            subtitleLanguage = ListUtil.getListFromCommaSeparatedString(input.get(1));
-        }
-        if (input.size() > 2) {
-            subtitlePreference = MinimalSubtitlePreference.valueOf(input.get(2).toUpperCase());
-        }
-        try {
-            if (input.size() > 3) {
-                forcedAudioIndex = Integer.parseInt(input.get(3));
-            }
-            if (input.size() > 4) {
-                forcedSubtitleIndex = Integer.parseInt(input.get(4));
+                forcedSubtitleIndex = Integer.parseInt(input.get(1));
             }
         } catch (NumberFormatException exception) {
             OutputUtil.println("Forced audio or subtitle index is not a number");
             return null;
         }
-        if (input.size() > 5) {
-            forceVideoEncoding = Boolean.parseBoolean(input.get(5));
+        if (input.size() > 2) {
+            forceVideoEncoding = Boolean.parseBoolean(input.get(2));
         }
-        if (input.size() > 6) {
-            forceAudioEncoding = Boolean.parseBoolean(input.get(6));
+        if (input.size() > 3) {
+            forceAudioEncoding = Boolean.parseBoolean(input.get(3));
         }
-        if (input.size() > 7) {
-            subtitleNameFilter = input.get(7);
+        if (input.size() > 4) {
+            subtitleNameFilter = input.get(4);
         }
-        return new AnimeConverter(FFPROBE_PATH, FFMPEG_PATH, audioLanguage, subtitleLanguage, subtitlePreference,
-                forcedAudioIndex, forcedSubtitleIndex, subtitleNameFilter, forceVideoEncoding, forceAudioEncoding);
+        return new AnimeConverter(FFPROBE_PATH, FFMPEG_PATH, forcedAudioIndex, forcedSubtitleIndex, subtitleNameFilter,
+                forceVideoEncoding, forceAudioEncoding);
     }
 
     /**
@@ -284,12 +241,9 @@ public class FFMpegConvert {
      */
     @Nullable
     private static Converter generateWebAnimeConverter() {
-        OutputUtil.println("[Audio languages jpn,eng,ger,fre] [Subtitle languages eng,ger,fre] [Convert to stereo if " +
-                "necessary true/false] [Prevent signs&songs subtitles true/false] [Forced audio index 0-n] " +
+        OutputUtil.println("[Convert to stereo if necessary true/false] [Prevent signs&songs subtitles true/false] [Forced audio index 0-n] " +
                 "[Forced subtitle index 0-n] [Subtitle name filter]\nYour input: ");
-        List<String> input = readInput(7);
-        String[] audioLanguage = new String[]{"jpn", "0"};
-        String[] subtitleLanguage = new String[]{"eng", "0"};
+        List<String> input = readInput(5);
         boolean toStereo = true;
         MinimalSubtitlePreference subtitlePreference = MinimalSubtitlePreference.AVOID;
         int forcedAudioIndex = 0;
@@ -297,32 +251,26 @@ public class FFMpegConvert {
         String subtitleNameFilter = "";
 
         if (!input.isEmpty()) {
-            audioLanguage = ListUtil.getListFromCommaSeparatedString(input.get(0));
+            toStereo = Boolean.parseBoolean(input.get(0));
         }
         if (input.size() > 1) {
-            subtitleLanguage = ListUtil.getListFromCommaSeparatedString(input.get(1));
-        }
-        if (input.size() > 2) {
-            toStereo = Boolean.parseBoolean(input.get(2));
-        }
-        if (input.size() > 3) {
-            subtitlePreference = MinimalSubtitlePreference.valueOf(input.get(3).toUpperCase());
+            subtitlePreference = MinimalSubtitlePreference.valueOf(input.get(1).toUpperCase());
         }
         try {
-            if (input.size() > 4) {
-                forcedAudioIndex = Integer.parseInt(input.get(4));
+            if (input.size() > 2) {
+                forcedAudioIndex = Integer.parseInt(input.get(2));
             }
-            if (input.size() > 5) {
-                forcedSubtitleIndex = Integer.parseInt(input.get(5));
+            if (input.size() > 3) {
+                forcedSubtitleIndex = Integer.parseInt(input.get(3));
             }
         } catch (NumberFormatException exception) {
             OutputUtil.println("Forced audio or subtitle index is not a number");
             return null;
         }
-        if (input.size() > 6) {
-            subtitleNameFilter = input.get(6);
+        if (input.size() > 4) {
+            subtitleNameFilter = input.get(4);
         }
-        return new WebAnimeConverter(FFPROBE_PATH, FFMPEG_PATH, audioLanguage, subtitleLanguage, toStereo,
+        return new WebAnimeConverter(FFPROBE_PATH, FFMPEG_PATH, toStereo,
                 subtitlePreference, forcedAudioIndex, forcedSubtitleIndex, subtitleNameFilter);
     }
 

src/main/java/net/knarcraft/ffmpegconverter/config/ConfigHandler.java

@@ -8,10 +8,12 @@ import org.apache.commons.configuration2.builder.FileBasedConfigurationBuilder;
 import org.apache.commons.configuration2.builder.fluent.Configurations;
 import org.apache.commons.configuration2.ex.ConfigurationException;
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
 
 import java.io.BufferedReader;
 import java.io.File;
 import java.io.IOException;
+import java.util.HashMap;
 import java.util.Map;
 
 /**
@@ -23,6 +25,18 @@ public class ConfigHandler {
     private final Configurations configurations = new Configurations();
     private final File settingsFile = new File(configFolder, "config.properties");
     private FileBasedConfigurationBuilder<PropertiesConfiguration> builder = configurations.propertiesBuilder(settingsFile);
+    private final Map<ConfigKey<?>, Object> optionValues = new HashMap<>();
+
+    /**
+     * Gets the current value of a configuration option
+     *
+     * @param key <p>The configuration key to get the value of</p>
+     * @return <p>The current value</p>
+     */
+    @Nullable
+    public Object getValue(@NotNull ConfigKey<?> key) {
+        return optionValues.get(key);
+    }
 
     /**
      * Gets a writable configuration used for changing settings
@@ -64,11 +78,9 @@ public class ConfigHandler {
 
     /**
      * Loads the saved configuration file
-     *
-     * @return <p>The loaded configuration</p>
      */
-    @NotNull
-    public Configuration load() throws IOException {
+    public void load() throws IOException {
+        optionValues.clear();
         Configuration configuration;
         if (!settingsFile.exists()) {
             configuration = new PropertiesConfiguration();
@@ -86,7 +98,14 @@ public class ConfigHandler {
         }
         // Reload contents in the builder
         builder = configurations.propertiesBuilder(settingsFile);
-        return configuration;
+
+        for (@NotNull ConfigKey<?> key : ConfigKey.values()) {
+            if (configuration.containsKey(key.toString())) {
+                optionValues.put(key, configuration.get(key.getType(), key.toString()));
+            } else {
+                optionValues.put(key, key.getDefaultValue());
+            }
+        }
     }
 
 }

src/main/java/net/knarcraft/ffmpegconverter/config/ConfigKey.java

@@ -2,31 +2,106 @@ package net.knarcraft.ffmpegconverter.config;
 
 import org.jetbrains.annotations.NotNull;
 
+import java.util.HashSet;
+import java.util.Set;
+
 /**
  * A representation of all configuration keys
  */
-public enum ConfigKey {
+public class ConfigKey<T> {
+
+    private static final Set<ConfigKey<?>> allKeys = new HashSet<>();
 
     /**
      * The configuration key for the list of hardware-accelerated encoders available on the system
      */
-    HARDWARE_ACCELERATED_ENCODERS("encoders-hardware-accelerated"),
+    public static final ConfigKey<String> HARDWARE_ACCELERATED_ENCODERS = new ConfigKey<>("encoders-hardware-accelerated", String.class, "qsv,cuda,dxva2,d3d11va,opencl,vulkan");
 
     /**
      * The configuration key for toggling debug mode
      */
-    DEBUG("debug"),
+    public static final ConfigKey<Boolean> DEBUG = createKey("debug", Boolean.class, false);
 
     /**
-     * The configuration key for toggling hardware acceleration
+     * The configuration key for toggling hardware encoding
      */
-    USE_HARDWARE_ACCELERATION("hardware-acceleration"),
-    ;
+    public static final ConfigKey<Boolean> USE_HARDWARE_ENCODING = createKey("hardware-acceleration-encode", Boolean.class, false);
+
+    /**
+     * The configuration key for toggling hardware decoding
+     */
+    public static final ConfigKey<Boolean> USE_HARDWARE_DECODING = createKey("hardware-acceleration-decode", Boolean.class, true);
+
+    /**
+     * The configuration key for toggling forced flac encoding
+     */
+    public static final ConfigKey<Boolean> ENCODE_FLAC_ALWAYS = createKey("encode-flac-always", Boolean.class, false);
+
+    /**
+     * The configuration key for anime audio languages
+     */
+    public static final ConfigKey<String> AUDIO_LANGUAGES_ANIME = createKey("audio-languages-anime", String.class, "jpn,eng,*");
+
+    /**
+     * The configuration key for anime subtitle languages
+     */
+    public static final ConfigKey<String> SUBTITLE_LANGUAGES_ANIME = createKey("subtitle-languages-anime", String.class, "eng,*");
+
+    /**
+     * The configuration key for the minimal subtitle preference
+     */
+    public static final ConfigKey<String> MINIMAL_SUBTITLE_PREFERENCE = createKey("minimal-subtitle-preference", String.class, "AVOID");
 
     private final String configKey;
+    private final T defaultValue;
+    private final Class<T> type;
 
-    ConfigKey(@NotNull String configKey) {
+    /**
+     * Instantiates a new config key
+     *
+     * @param configKey    <p>The storage key in the configuration file</p>
+     * @param type         <p>The type of this option's value</p>
+     * @param defaultValue <p>The default value of this option</p>
+     */
+    private ConfigKey(@NotNull String configKey, @NotNull Class<T> type, @NotNull T defaultValue) {
         this.configKey = configKey;
+        this.type = type;
+        this.defaultValue = defaultValue;
+    }
+
+    /**
+     * Creates a new config key
+     *
+     * @param configKey    <p>The storage key in the configuration file</p>
+     * @param type         <p>The type of this option's value</p>
+     * @param defaultValue <p>The default value of this option</p>
+     * @param <F>          <p>The type of key to create</p>
+     * @return <p>The new config key</p>
+     */
+    private static <F> ConfigKey<F> createKey(@NotNull String configKey, @NotNull Class<F> type, @NotNull F defaultValue) {
+        ConfigKey<F> key = new ConfigKey<>(configKey, type, defaultValue);
+        allKeys.add(key);
+        return key;
+    }
+
+    /**
+     * Gets the type of this option's value
+     *
+     * @return <p>The type of the value</p>
+     */
+    @NotNull
+    public Class<T> getType() {
+        return this.type;
+    }
+
+    /**
+     * Gets the default value for the option represented by this key
+     *
+     * @return <p>The default value</p>
+     */
+    @NotNull
+    public T getDefaultValue() {
+        return this.defaultValue;
     }
 
     @Override
@@ -34,4 +109,14 @@ public enum ConfigKey {
         return this.configKey;
     }
 
+    /**
+     * Gets all configuration keys
+     *
+     * @return <p>All configuration keys</p>
+     */
+    @NotNull
+    public static ConfigKey<?>[] values() {
+        return allKeys.toArray(new ConfigKey[0]);
+    }
+
 }

src/main/java/net/knarcraft/ffmpegconverter/config/Configuration.java

@@ -0,0 +1,150 @@
+package net.knarcraft.ffmpegconverter.config;
+
+import net.knarcraft.ffmpegconverter.property.MinimalSubtitlePreference;
+import net.knarcraft.ffmpegconverter.utility.ConfigHelper;
+import org.jetbrains.annotations.NotNull;
+
+import java.io.IOException;
+import java.util.List;
+
+/**
+ * A configuration used for FFMpegConvert
+ */
+public class Configuration {
+
+    private final ConfigHandler configHandler;
+    private boolean debug;
+    private boolean useHardwareEncoding;
+    private boolean useHardwareDecoding;
+    private List<String> hardwareEncoders;
+    private boolean alwaysEncodeFlac;
+    private List<String> animeAudioLanguages;
+    private List<String> animeSubtitleLanguages;
+    private MinimalSubtitlePreference minimalSubtitlePreference;
+
+    /**
+     * Instantiates and loads a new configuration
+     */
+    public Configuration() {
+        this.configHandler = new ConfigHandler();
+        try {
+            this.configHandler.load();
+        } catch (IOException e) {
+            throw new RuntimeException(e);
+        }
+
+        load();
+    }
+
+    /**
+     * Loads/reloads this configuration
+     */
+    public void load() {
+        try {
+            this.configHandler.load();
+        } catch (IOException e) {
+            throw new RuntimeException(e);
+        }
+
+        debug = ConfigHelper.asBoolean(configHandler.getValue(ConfigKey.DEBUG));
+        useHardwareEncoding = ConfigHelper.asBoolean(configHandler.getValue(ConfigKey.USE_HARDWARE_ENCODING));
+        useHardwareDecoding = ConfigHelper.asBoolean(configHandler.getValue(ConfigKey.USE_HARDWARE_DECODING));
+        hardwareEncoders = ConfigHelper.asStringList(configHandler.getValue(ConfigKey.HARDWARE_ACCELERATED_ENCODERS));
+        alwaysEncodeFlac = ConfigHelper.asBoolean(configHandler.getValue(ConfigKey.ENCODE_FLAC_ALWAYS));
+        animeAudioLanguages = ConfigHelper.asStringList(configHandler.getValue(ConfigKey.AUDIO_LANGUAGES_ANIME));
+        animeSubtitleLanguages = ConfigHelper.asStringList(configHandler.getValue(ConfigKey.SUBTITLE_LANGUAGES_ANIME));
+        try {
+            minimalSubtitlePreference = MinimalSubtitlePreference.valueOf(String.valueOf(configHandler.getValue(
+                    ConfigKey.MINIMAL_SUBTITLE_PREFERENCE)));
+        } catch (IllegalArgumentException | NullPointerException exception) {
+            minimalSubtitlePreference = MinimalSubtitlePreference.AVOID;
+        }
+    }
+
+    /**
+     * Gets the underlying config handler for this configuration
+     *
+     * @return <p>The underlying config handler</p>
+     */
+    @NotNull
+    public ConfigHandler getConfigHandler() {
+        return this.configHandler;
+    }
+
+    /**
+     * Gets whether debug mode is enabled
+     *
+     * @return <p>True if debug mode is enabled</p>
+     */
+    public boolean isDebugEnabled() {
+        return this.debug;
+    }
+
+    /**
+     * Gets whether hardware accelerated encoding is enabled
+     *
+     * @return <p>True if hardware accelerated encoding is enabled</p>
+     */
+    public boolean useHardwareEncoding() {
+        return this.useHardwareEncoding;
+    }
+
+    /**
+     * Gets whether hardware accelerated decoding is enabled
+     *
+     * @return <p>True if hardware accelerated decoding is enabled</p>
+     */
+    public boolean useHardwareDecoding() {
+        return this.useHardwareDecoding;
+    }
+
+    /**
+     * Gets whether FLAC audio tracks should always be re-encoded
+     *
+     * @return <p>Whether FLAC tracks should always be re-encoded</p>
+     */
+    public boolean alwaysEncodeFlac() {
+        return this.alwaysEncodeFlac;
+    }
+
+    /**
+     * Gets all hardware encoders defined in the configuration
+     *
+     * @return <p>The specified hardware encoders</p>
+     */
+    @NotNull
+    public List<String> hardwareEncoders() {
+        return this.hardwareEncoders;
+    }
+
+    /**
+     * Gets the audio language priorities for usage when converting anime
+     *
+     * @return <p>The anime audio language priorities</p>
+     */
+    @NotNull
+    public List<String> getAnimeAudioLanguages() {
+        return this.animeAudioLanguages;
+    }
+
+    /**
+     * Gets the subtitle language priorities for usage when converting anime
+     *
+     * @return <p>The anime subtitle language priorities</p>
+     */
+    @NotNull
+    public List<String> getAnimeSubtitleLanguages() {
+        return this.animeSubtitleLanguages;
+    }
+
+    /**
+     * Gets the preference for minimal subtitles
+     *
+     * @return <p>The minimal subtitle preference</p>
+     */
+    @NotNull
+    public MinimalSubtitlePreference getMinimalSubtitlePreference() {
+        return this.minimalSubtitlePreference;
+    }
+
+}

src/main/java/net/knarcraft/ffmpegconverter/converter/AbstractConverter.java

@@ -4,6 +4,7 @@ import net.knarcraft.ffmpegconverter.FFMpegConvert;
 import net.knarcraft.ffmpegconverter.container.FFMpegCommand;
 import net.knarcraft.ffmpegconverter.container.StreamProbeResult;
 import net.knarcraft.ffmpegconverter.handler.AvailableHardwareEncoderHandler;
+import net.knarcraft.ffmpegconverter.streams.StreamObject;
 import net.knarcraft.ffmpegconverter.utility.FFMpegHelper;
 import net.knarcraft.ffmpegconverter.utility.FileHelper;
 import net.knarcraft.ffmpegconverter.utility.FileUtil;
@@ -21,7 +22,7 @@ import java.util.List;
  */
 public abstract class AbstractConverter implements Converter {
 
-    final boolean debug = FFMpegConvert.isDebugEnabled();
+    final boolean debug = FFMpegConvert.getConfiguration().isDebugEnabled();
     private final String newExtension;
     protected String ffprobePath;
     protected String ffmpegPath;
@@ -136,4 +137,18 @@ public abstract class AbstractConverter implements Converter {
         return encoderHandler.availableHardwareEncodings();
     }
 
+    /**
+     * Sets the output indexes for the given streams
+     *
+     * <p>This will basically mark the given streams' order as the order they will appear in the output file. This is
+     * used when specifying specific codecs per-stream in the output file.</p>
+     *
+     * @param streams <p>The streams to set the output indexes for</p>
+     */
+    protected <K extends StreamObject> void setOutputIndexes(@NotNull List<K> streams) {
+        for (int i = 0; i < streams.size(); i++) {
+            streams.get(i).setOutputIndex(i);
+        }
+    }
+
 }

src/main/java/net/knarcraft/ffmpegconverter/converter/AnimeConverter.java

@@ -1,6 +1,7 @@
 package net.knarcraft.ffmpegconverter.converter;
 
 import net.knarcraft.ffmpegconverter.FFMpegConvert;
+import net.knarcraft.ffmpegconverter.config.Configuration;
 import net.knarcraft.ffmpegconverter.container.FFMpegCommand;
 import net.knarcraft.ffmpegconverter.container.StreamProbeResult;
 import net.knarcraft.ffmpegconverter.converter.module.ConverterModule;
@@ -16,6 +17,7 @@ import net.knarcraft.ffmpegconverter.converter.module.output.CopyVideoModule;
 import net.knarcraft.ffmpegconverter.converter.module.output.FastStartModule;
 import net.knarcraft.ffmpegconverter.converter.module.output.SetOutputFileModule;
 import net.knarcraft.ffmpegconverter.converter.module.output.SetQualityModule;
+import net.knarcraft.ffmpegconverter.converter.module.output.SetStreamLanguageModule;
 import net.knarcraft.ffmpegconverter.converter.module.output.SetVideoCodecModule;
 import net.knarcraft.ffmpegconverter.converter.sorter.AudioLanguageSorter;
 import net.knarcraft.ffmpegconverter.converter.sorter.ForcedFirstSorter;
@@ -29,10 +31,12 @@ import net.knarcraft.ffmpegconverter.streams.AudioStream;
 import net.knarcraft.ffmpegconverter.streams.SubtitleStream;
 import net.knarcraft.ffmpegconverter.streams.VideoStream;
 import net.knarcraft.ffmpegconverter.utility.FFMpegHelper;
+import net.knarcraft.ffmpegconverter.utility.OutputUtil;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.List;
 
 /**
@@ -40,8 +44,8 @@ import java.util.List;
  */
 public class AnimeConverter extends AbstractConverter {
 
-    private final String[] audioLanguages;
-    private final String[] subtitleLanguages;
+    private final List<String> audioLanguages;
+    private final List<String> subtitleLanguages;
     private final MinimalSubtitlePreference subtitlePreference;
     private final int forcedAudioIndex;
     private final int forcedSubtitleIndex;
@@ -54,25 +58,21 @@ public class AnimeConverter extends AbstractConverter {
      *
      * @param ffprobePath         <p>Path/command to ffprobe.</p>
      * @param ffmpegPath          <p>Path/command to ffmpeg.</p>
-     * @param audioLanguages      <p>List of wanted audio languages in descending order.</p>
-     * @param subtitleLanguages   <p>List of wanted subtitle languages in descending order.</p>
-     * @param subtitlePreference  <p>How minimal subtitles should be prioritized</p>
      * @param forcedAudioIndex    <p>A specific audio stream to force as default. 0-indexed from the first audio stream found</p>
      * @param forcedSubtitleIndex <p>A specific subtitle stream to force as default. 0-indexed for the first subtitle stream found</p>
      * @param forceVideoEncoding  <p>Whether to enforce encoding on the video, even if already hevc</p>
      * @param forceAudioEncoding  <p>Whether to convert audio to web-playable, even though there should be no need</p>
      */
-    public AnimeConverter(@NotNull String ffprobePath, @NotNull String ffmpegPath, @NotNull String[] audioLanguages,
-                          @NotNull String[] subtitleLanguages,
-                          @NotNull MinimalSubtitlePreference subtitlePreference, int forcedAudioIndex,
+    public AnimeConverter(@NotNull String ffprobePath, @NotNull String ffmpegPath, int forcedAudioIndex,
                           int forcedSubtitleIndex, @NotNull String subtitleNameFilter, boolean forceVideoEncoding,
                           boolean forceAudioEncoding) {
         super("mkv");
+        Configuration configuration = FFMpegConvert.getConfiguration();
         this.ffprobePath = ffprobePath;
         this.ffmpegPath = ffmpegPath;
-        this.audioLanguages = audioLanguages;
-        this.subtitleLanguages = subtitleLanguages;
-        this.subtitlePreference = subtitlePreference;
+        this.audioLanguages = configuration.getAnimeAudioLanguages();
+        this.subtitleLanguages = configuration.getAnimeSubtitleLanguages();
+        this.subtitlePreference = configuration.getMinimalSubtitlePreference();
         this.forcedAudioIndex = forcedAudioIndex;
         this.forcedSubtitleIndex = forcedSubtitleIndex;
         this.subtitleNameFilter = subtitleNameFilter;
@@ -85,6 +85,7 @@ public class AnimeConverter extends AbstractConverter {
     public FFMpegCommand generateConversionCommand(@NotNull String executable,
                                                    @NotNull StreamProbeResult probeResult,
                                                    @NotNull String outFile) {
+        Configuration configuration = FFMpegConvert.getConfiguration();
         FFMpegCommand command = FFMpegHelper.getFFMpegGeneralFileCommand(executable, probeResult.parsedFiles());
         List<ConverterModule> modules = new ArrayList<>();
         if (this.debug) {
@@ -92,16 +93,20 @@ public class AnimeConverter extends AbstractConverter {
         }
         modules.add(new FastStartModule());
 
-        //Get the first video stream
-        modules.add(new MapAllModule<>(probeResult.getVideoStreams()));
+        //Map all video streams
+        List<VideoStream> videoStreams = probeResult.getVideoStreams();
+        modules.add(new MapAllModule<>(videoStreams));
+        setOutputIndexes(videoStreams);
 
         //Get the first audio stream in accordance with chosen languages
         StreamSorter<AudioStream> audioSorter = new AudioLanguageSorter(this.audioLanguages)
                 .append(new ForcedFirstSorter<>(this.forcedAudioIndex))
                 .append(new SpecialAudioSorter(MinimalSubtitlePreference.REJECT));
         List<AudioStream> sortedAudio = audioSorter.chainSort(probeResult.getAudioStreams());
+        setOutputIndexes(sortedAudio);
         modules.add(new MapAllModule<>(sortedAudio));
         modules.add(new SetDefaultStreamModule<>(sortedAudio, 0));
+        modules.add(new SetStreamLanguageModule<>(sortedAudio));
 
         //Get the first subtitle stream in accordance with chosen languages and signs and songs prevention
         StreamSorter<SubtitleStream> subtitleSorter = new SubtitleTitleSorter(
@@ -109,13 +114,24 @@ public class AnimeConverter extends AbstractConverter {
                 .append(new SubtitleLanguageSorter(this.subtitleLanguages))
                 .append(new MinimalSubtitleSorter(this.subtitlePreference))
                 .append(new ForcedFirstSorter<>(this.forcedSubtitleIndex));
-        List<SubtitleStream> sorted = subtitleSorter.chainSort(probeResult.getSubtitleStreams());
-        modules.add(new MapAllModule<>(sorted));
-        modules.add(new SetDefaultStreamModule<>(sorted, 0));
+        List<SubtitleStream> sortedSubtitles = subtitleSorter.chainSort(probeResult.getSubtitleStreams());
+        setOutputIndexes(sortedSubtitles);
+        modules.add(new MapAllModule<>(sortedSubtitles));
+        modules.add(new SetDefaultStreamModule<>(sortedSubtitles, 0));
+        modules.add(new SetStreamLanguageModule<>(sortedSubtitles));
+        OutputUtil.printDebug("Subtitle preference: " + this.subtitleLanguages + ", Subtitle name filter: " +
+                this.subtitleNameFilter + ", Minimal Subtitle Preference: " + this.subtitlePreference.name() +
+                ", Sorted order: " + Arrays.toString(sortedSubtitles.toArray()));
 
+        if (configuration.useHardwareDecoding()) {
             modules.add(new HardwareDecodeModule());
-        if (!this.forceAudioEncoding) {
-            modules.add(new CopyAudioModule());
+        }
+
+        boolean encodeFlac = this.forceAudioEncoding || FFMpegConvert.getConfiguration().alwaysEncodeFlac();
+        for (AudioStream audioStream : sortedAudio) {
+            if (!encodeFlac || !audioStream.getCodecName().equalsIgnoreCase("flac")) {
+                modules.add(new CopyAudioModule(audioStream));
+            }
         }
         modules.add(new CopySubtitlesModule());
 
@@ -129,10 +145,10 @@ public class AnimeConverter extends AbstractConverter {
 
         if (encodingNecessary || this.forceVideoEncoding) {
             List<String> availableHWAcceleration = getAvailableHardwareEncodingMethods();
-            if (FFMpegConvert.useHardwareAcceleration() && availableHWAcceleration.contains("qsv")) {
+            if (configuration.useHardwareEncoding() && availableHWAcceleration.contains("qsv")) {
                 modules.add(new SetVideoCodecModule("hevc_qsv"));
                 modules.add(new SetQualityModule(17, "veryslow"));
-            } else if (FFMpegConvert.useHardwareAcceleration() && availableHWAcceleration.contains("cuda")) {
+            } else if (configuration.useHardwareEncoding() && availableHWAcceleration.contains("cuda")) {
                 modules.add(new H265HardwareEncodingModule(20));
             } else {
                 modules.add(new SetVideoCodecModule("hevc"));

src/main/java/net/knarcraft/ffmpegconverter/converter/MkvH264Converter.java

@@ -12,6 +12,7 @@ import net.knarcraft.ffmpegconverter.converter.module.output.CopyAudioModule;
 import net.knarcraft.ffmpegconverter.converter.module.output.CopySubtitlesModule;
 import net.knarcraft.ffmpegconverter.converter.module.output.FastStartModule;
 import net.knarcraft.ffmpegconverter.converter.module.output.SetOutputFileModule;
+import net.knarcraft.ffmpegconverter.streams.AudioStream;
 import net.knarcraft.ffmpegconverter.streams.StreamObject;
 import net.knarcraft.ffmpegconverter.utility.FFMpegHelper;
 import org.jetbrains.annotations.NotNull;
@@ -64,9 +65,11 @@ public class MkvH264Converter extends AbstractConverter {
         }
 
         // Map audio if present
-        if (!probeResult.getAudioStreams().isEmpty()) {
-            modules.add(new MapAllModule<>(probeResult.getAudioStreams()));
-            modules.add(new CopyAudioModule());
+        List<AudioStream> audioStreams = probeResult.getAudioStreams();
+        if (!audioStreams.isEmpty()) {
+            modules.add(new MapAllModule<>(audioStreams));
+            setOutputIndexes(audioStreams);
+            modules.add(new CopyAudioModule(audioStreams));
         }
 
         // Map subtitles if present

src/main/java/net/knarcraft/ffmpegconverter/converter/MkvH265ReducedConverter.java

@@ -69,7 +69,8 @@ public class MkvH265ReducedConverter extends AbstractConverter {
         List<AudioStream> audioStreams = probeResult.getAudioStreams();
         if (!audioStreams.isEmpty()) {
             modules.add(new MapAllModule<>(audioStreams));
-            modules.add(new CopyAudioModule());
+            setOutputIndexes(audioStreams);
+            modules.add(new CopyAudioModule(audioStreams));
         }
 
         // Map subtitles if present

src/main/java/net/knarcraft/ffmpegconverter/converter/SubtitleEmbed.java

@@ -8,8 +8,10 @@ import net.knarcraft.ffmpegconverter.converter.module.ModuleExecutor;
 import net.knarcraft.ffmpegconverter.converter.module.hardwarecoding.HardwareDecodeModule;
 import net.knarcraft.ffmpegconverter.converter.module.mapping.MapAllModule;
 import net.knarcraft.ffmpegconverter.converter.module.output.CopyAudioModule;
+import net.knarcraft.ffmpegconverter.converter.module.output.CopyVideoModule;
 import net.knarcraft.ffmpegconverter.converter.module.output.MovTextModule;
 import net.knarcraft.ffmpegconverter.converter.module.output.SetOutputFileModule;
+import net.knarcraft.ffmpegconverter.streams.AudioStream;
 import net.knarcraft.ffmpegconverter.utility.FFMpegHelper;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
@@ -53,8 +55,10 @@ public class SubtitleEmbed extends AbstractConverter {
 
         modules.add(new MapAllModule<>(probeResult.parsedStreams()));
         modules.add(new HardwareDecodeModule());
-        modules.add(new CopyAudioModule());
-        modules.add(new CopyAudioModule());
+        List<AudioStream> audioStreams = probeResult.getAudioStreams();
+        setOutputIndexes(audioStreams);
+        modules.add(new CopyAudioModule(audioStreams));
+        modules.add(new CopyVideoModule());
         modules.add(new MovTextModule());
         modules.add(new SetOutputFileModule(outFile));
 

src/main/java/net/knarcraft/ffmpegconverter/converter/WebAnimeConverter.java

@@ -1,5 +1,7 @@
 package net.knarcraft.ffmpegconverter.converter;
 
+import net.knarcraft.ffmpegconverter.FFMpegConvert;
+import net.knarcraft.ffmpegconverter.config.Configuration;
 import net.knarcraft.ffmpegconverter.container.FFMpegCommand;
 import net.knarcraft.ffmpegconverter.container.StreamProbeResult;
 import net.knarcraft.ffmpegconverter.converter.module.ConverterModule;
@@ -33,8 +35,8 @@ import static net.knarcraft.ffmpegconverter.utility.FFMpegHelper.getNthSteam;
  */
 public class WebAnimeConverter extends AbstractConverter {
 
-    private final String[] audioLanguages;
-    private final String[] subtitleLanguages;
+    private final List<String> audioLanguages;
+    private final List<String> subtitleLanguages;
     private final boolean toStereo;
     private final MinimalSubtitlePreference subtitlePreference;
     private final int forcedAudioIndex;
@@ -46,22 +48,20 @@ public class WebAnimeConverter extends AbstractConverter {
      *
      * @param ffprobePath         <p>Path/command to ffprobe.</p>
      * @param ffmpegPath          <p>Path/command to ffmpeg.</p>
-     * @param audioLanguages      <p>List of wanted audio languages in descending order.</p>
-     * @param subtitleLanguages   <p>List of wanted subtitle languages in descending order.</p>
      * @param toStereo            <p>Convert video with several audio channels to stereo.</p>
      * @param subtitlePreference  <p>How minimal subtitles should be prioritized</p>
      * @param forcedAudioIndex    <p>A specific audio stream to force. 0-indexed from the first audio stream found</p>
      * @param forcedSubtitleIndex <p>A specific subtitle stream to force. 0-indexed for the first subtitle stream found</p>
      */
-    public WebAnimeConverter(@NotNull String ffprobePath, @NotNull String ffmpegPath, @NotNull String[] audioLanguages,
-                             @NotNull String[] subtitleLanguages, boolean toStereo,
+    public WebAnimeConverter(@NotNull String ffprobePath, @NotNull String ffmpegPath, boolean toStereo,
                              @NotNull MinimalSubtitlePreference subtitlePreference, int forcedAudioIndex,
                              int forcedSubtitleIndex, @NotNull String subtitleNameFilter) {
         super("mp4");
+        Configuration configuration = FFMpegConvert.getConfiguration();
         this.ffprobePath = ffprobePath;
         this.ffmpegPath = ffmpegPath;
-        this.audioLanguages = audioLanguages;
-        this.subtitleLanguages = subtitleLanguages;
+        this.audioLanguages = configuration.getAnimeAudioLanguages();
+        this.subtitleLanguages = configuration.getAnimeSubtitleLanguages();
         this.toStereo = toStereo;
         this.subtitlePreference = subtitlePreference;
         this.forcedAudioIndex = forcedAudioIndex;

src/main/java/net/knarcraft/ffmpegconverter/converter/module/output/CopyAudioModule.java

@@ -2,16 +2,56 @@ package net.knarcraft.ffmpegconverter.converter.module.output;
 
 import net.knarcraft.ffmpegconverter.container.FFMpegCommand;
 import net.knarcraft.ffmpegconverter.converter.module.ConverterModule;
+import net.knarcraft.ffmpegconverter.streams.AudioStream;
+import net.knarcraft.ffmpegconverter.streams.StreamObject;
 import org.jetbrains.annotations.NotNull;
 
+import java.util.List;
+
 /**
  * A module for making FFMpeg copy the audio codec
  */
 public class CopyAudioModule implements ConverterModule {
 
+    private final List<AudioStream> streams;
+
+    /**
+     * Instantiates a new copy audio module
+     *
+     * @param streams <p>The streams to specify the copy flag for, or null to not use a per-stream selector</p>
+     */
+    public CopyAudioModule(@NotNull List<AudioStream> streams) {
+        this.streams = streams;
+    }
+
+    /**
+     * Instantiates a new copy audio module
+     *
+     * @param stream <p>The stream to specify the copy flag for</p>
+     */
+    public CopyAudioModule(@NotNull AudioStream stream) {
+        this.streams = List.of(stream);
+    }
+
+    /**
+     * Instantiates a new copy audio module
+     */
+    public CopyAudioModule() {
+        this.streams = null;
+    }
+
     @Override
     public void addArguments(@NotNull FFMpegCommand command) {
+        if (this.streams != null) {
+            for (StreamObject streamObject : this.streams) {
+                int outputIndex = streamObject.getOutputIndex();
+                if (outputIndex != -1) {
+                    command.addOutputFileOption("-c:a:" + outputIndex, "copy");
+                }
+            }
+        } else {
             command.addOutputFileOption("-c:a", "copy");
         }
+    }
 
 }

src/main/java/net/knarcraft/ffmpegconverter/converter/module/output/SetStreamLanguageModule.java

@@ -0,0 +1,38 @@
+package net.knarcraft.ffmpegconverter.converter.module.output;
+
+import net.knarcraft.ffmpegconverter.container.FFMpegCommand;
+import net.knarcraft.ffmpegconverter.converter.module.ConverterModule;
+import net.knarcraft.ffmpegconverter.streams.StreamObject;
+import org.jetbrains.annotations.NotNull;
+
+import java.util.List;
+
+/**
+ * A module for setting the language of some streams
+ *
+ * @param <K> <p>The type of stream to set language for</p>
+ */
+public class SetStreamLanguageModule<K extends StreamObject> implements ConverterModule {
+
+    private final List<K> streams;
+
+    /**
+     * Instantiates a new set stream language module
+     *
+     * @param streams <p>The streams to set language for</p>
+     */
+    public SetStreamLanguageModule(@NotNull List<K> streams) {
+        this.streams = streams;
+    }
+
+    @Override
+    public void addArguments(@NotNull FFMpegCommand command) {
+        for (StreamObject stream : this.streams) {
+            if (!stream.getLanguage().equalsIgnoreCase("und") && !stream.getLanguage().isBlank()) {
+                command.addOutputFileOption(String.format("-metadata:s:%s:%d", stream.streamTypeCharacter(),
+                        stream.getOutputIndex()), String.format("language=%s", stream.getLanguage()));
+            }
+        }
+    }
+
+}

src/main/java/net/knarcraft/ffmpegconverter/converter/sorter/AbstractSorter.java

@@ -71,7 +71,7 @@ public abstract class AbstractSorter<L extends StreamObject> implements StreamSo
      */
     @NotNull
     protected <G extends StreamObject> List<G> sortStreamsByLanguage(@NotNull List<G> streams,
-                                                                     @NotNull String[] languages) {
+                                                                     @NotNull List<String> languages) {
         List<G> sorted = new ArrayList<>();
         for (String language : languages) {
             for (G stream : streams) {

src/main/java/net/knarcraft/ffmpegconverter/converter/sorter/AudioLanguageSorter.java

@@ -10,14 +10,14 @@ import java.util.List;
  */
 public class AudioLanguageSorter extends AbstractSorter<AudioStream> {
 
-    private final String[] languageOrder;
+    private final List<String> languageOrder;
 
     /**
      * Instantiates a new audio language sorter
      *
      * @param languageOrder <p>The order of preference for audio languages</p>
      */
-    public AudioLanguageSorter(@NotNull String[] languageOrder) {
+    public AudioLanguageSorter(@NotNull List<String> languageOrder) {
         this.languageOrder = languageOrder;
     }
 

src/main/java/net/knarcraft/ffmpegconverter/converter/sorter/SubtitleLanguageSorter.java

@@ -11,14 +11,14 @@ import java.util.List;
  */
 public class SubtitleLanguageSorter extends AbstractSorter<SubtitleStream> {
 
-    private final String[] languageOrder;
+    private final List<String> languageOrder;
 
     /**
      * Instantiates a new subtitle language sorter
      *
      * @param languageOrder <p>The order of preference for subtitle languages</p>
      */
-    public SubtitleLanguageSorter(@NotNull String[] languageOrder) {
+    public SubtitleLanguageSorter(@NotNull List<String> languageOrder) {
         this.languageOrder = languageOrder;
     }
 

src/main/java/net/knarcraft/ffmpegconverter/converter/sorter/SubtitleTitleSorter.java

@@ -45,7 +45,7 @@ public class SubtitleTitleSorter extends AbstractSorter<SubtitleStream> {
 
             boolean isRegEx = isValidRegularExpression(filter) && hasSpecialRegexCharacters(filter);
 
-            if (FFMpegConvert.isDebugEnabled()) {
+            if (FFMpegConvert.getConfiguration().isDebugEnabled()) {
                 System.out.println("Filtering subtitles by filter " + filter + ". RegEx is " + isRegEx);
             }
 

src/main/java/net/knarcraft/ffmpegconverter/handler/AvailableHardwareEncoderHandler.java

@@ -4,7 +4,6 @@ import net.knarcraft.ffmpegconverter.FFMpegConvert;
 import net.knarcraft.ffmpegconverter.config.ConfigHandler;
 import net.knarcraft.ffmpegconverter.config.ConfigKey;
 import net.knarcraft.ffmpegconverter.utility.OutputUtil;
-import org.apache.commons.configuration2.Configuration;
 import org.apache.commons.configuration2.PropertiesConfiguration;
 import org.jetbrains.annotations.NotNull;
 
@@ -17,7 +16,7 @@ import java.util.List;
  */
 public record AvailableHardwareEncoderHandler(@NotNull List<String> availableHardwareEncodings) {
 
-    private static final ConfigHandler configHandler = FFMpegConvert.getConfigHandler();
+    private static final ConfigHandler configHandler = FFMpegConvert.getConfiguration().getConfigHandler();
 
     /**
      * Gets all hardware encodings
@@ -44,7 +43,7 @@ public record AvailableHardwareEncoderHandler(@NotNull List<String> availableHar
      */
     public void save() {
         PropertiesConfiguration configuration = configHandler.getWritableConfiguration();
-        configuration.setProperty(ConfigKey.HARDWARE_ACCELERATED_ENCODERS.toString(), this.availableHardwareEncodings);
+        configuration.setProperty(ConfigKey.HARDWARE_ACCELERATED_ENCODERS.toString(), String.join(",", this.availableHardwareEncodings));
         configHandler.writeConfiguration();
         OutputUtil.printDebug("Saved available hardware encoder handler");
     }
@@ -56,14 +55,12 @@ public record AvailableHardwareEncoderHandler(@NotNull List<String> availableHar
      */
     @NotNull
     public static AvailableHardwareEncoderHandler load() {
-        Configuration configuration;
         try {
-            configuration = configHandler.load();
+            configHandler.load();
         } catch (IOException e) {
             throw new RuntimeException(e);
         }
-        List<String> getEncodings = configuration.getList(String.class, ConfigKey.HARDWARE_ACCELERATED_ENCODERS.toString());
-        return new AvailableHardwareEncoderHandler(getEncodings);
+        return new AvailableHardwareEncoderHandler(FFMpegConvert.getConfiguration().hardwareEncoders());
     }
 
 }

src/main/java/net/knarcraft/ffmpegconverter/streams/AbstractStream.java

@@ -17,6 +17,7 @@ public abstract class AbstractStream implements StreamObject {
     protected final String language;
     protected final boolean isDefault;
     protected final String title;
+    protected int outputIndex;
 
     /**
      * Instantiates a new abstract stream
@@ -28,11 +29,12 @@ public abstract class AbstractStream implements StreamObject {
     protected AbstractStream(@NotNull Map<StreamTag, String> streamInfo, int inputIndex, int relativeIndex) {
         this.codecName = ValueParsingHelper.parseString(streamInfo.get(StreamTag.CODEC_NAME), "");
         this.absoluteIndex = ValueParsingHelper.parseInt(streamInfo.get(StreamTag.INDEX), -1);
-        this.language = ValueParsingHelper.parseString(streamInfo.get(StreamTag.TAG_LANGUAGE), "und");
+        this.language = parseLanguage(streamInfo);
         this.isDefault = ValueParsingHelper.parseBoolean(streamInfo.get(StreamTag.DISPOSITION_DEFAULT), false);
         this.title = ValueParsingHelper.parseString(streamInfo.get(StreamTag.TAG_TITLE), "");
         this.inputIndex = inputIndex;
         this.relativeIndex = relativeIndex;
+        this.outputIndex = -1;
     }
 
     @Override
@@ -73,4 +75,40 @@ public abstract class AbstractStream implements StreamObject {
         return this.inputIndex;
     }
 
+    @Override
+    public int getOutputIndex() {
+        return this.outputIndex;
+    }
+
+    @Override
+    public void setOutputIndex(int newIndex) {
+        this.outputIndex = newIndex;
+    }
+
+    /**
+     * Parses the correct language of a stream
+     *
+     * <p>As some people tend to set weird incorrect languages for anime streams, this tries to correct that by
+     * detecting streams that are actually in english, but set to something else.</p>
+     *
+     * @param streamInfo <p>All info about the stream</p>
+     * @return <p>The actual language</p>
+     */
+    @NotNull
+    private String parseLanguage(@NotNull Map<StreamTag, String> streamInfo) {
+        String languageString = ValueParsingHelper.parseString(streamInfo.get(StreamTag.TAG_LANGUAGE), "und");
+        String title = ValueParsingHelper.parseString(streamInfo.get(StreamTag.TAG_TITLE), "");
+        if (languageString.equalsIgnoreCase("zxx") ||
+                (title.toLowerCase().matches(".*english.*") && languageString.equalsIgnoreCase("jpn"))) {
+            return "eng";
+        }
+        return languageString;
+    }
+
+    @Override
+    @NotNull
+    public String toString() {
+        return this.title + " | Input index: " + inputIndex + " | Language: " + language;
+    }
+
 }

src/main/java/net/knarcraft/ffmpegconverter/streams/StreamObject.java

@@ -5,6 +5,7 @@ import org.jetbrains.annotations.NotNull;
 /**
  * An object describing a generic video file stream
  */
+@SuppressWarnings("unused")
 public interface StreamObject {
 
     /**
@@ -68,4 +69,21 @@ public interface StreamObject {
      */
     char streamTypeCharacter();
 
+    /**
+     * Gets the index of this stream in the output file
+     *
+     * @return <p>The index of this stream in the output file, or -1 if not set</p>
+     */
+    int getOutputIndex();
+
+    /**
+     * Sets the index of this stream in the output file
+     *
+     * <p>After sorting and selecting streams, setting the output index makes it much easier to set properties for this
+     * specific stream, without having to rely on loops</p>
+     *
+     * @param newIndex <p>The new output index</p>
+     */
+    void setOutputIndex(int newIndex);
+
 }

src/main/java/net/knarcraft/ffmpegconverter/streams/SubtitleStream.java

@@ -51,7 +51,7 @@ public class SubtitleStream extends AbstractStream implements StreamObject {
      */
     private boolean checkIfIsFullSubtitle() {
         String titleLowercase = getTitle().toLowerCase().trim();
-        return !titleLowercase.matches(".*si(ng|gn)s?[ &/a-z]+songs?.*") &&
+        return !titleLowercase.matches(".*si(ng|gn)s?[ &/a-z+]+songs?.*") &&
                 !titleLowercase.matches(".*songs?[ &/a-z]+si(gn|ng)s?.*") &&
                 !titleLowercase.matches(".*forced.*") &&
                 !titleLowercase.matches(".*s&s.*") &&
@@ -68,4 +68,10 @@ public class SubtitleStream extends AbstractStream implements StreamObject {
         return 's';
     }
 
+    @Override
+    @NotNull
+    public String toString() {
+        return super.toString() + " | Is full: " + this.isFullSubtitle;
+    }
+
 }

src/main/java/net/knarcraft/ffmpegconverter/utility/ConfigHelper.java

@@ -0,0 +1,60 @@
+package net.knarcraft.ffmpegconverter.utility;
+
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * A helper class for dealing with configuration value types
+ */
+public final class ConfigHelper {
+
+    private ConfigHelper() {
+
+    }
+
+    /**
+     * Gets the given value as a string list
+     *
+     * @param value <p>The raw string list value</p>
+     * @return <p>The value as a string list, or null if not compatible</p>
+     */
+    public static @NotNull List<String> asStringList(@Nullable Object value) {
+        if (value == null) {
+            return new ArrayList<>();
+        }
+        if (value instanceof String string) {
+            return List.of((string).split(","));
+        } else if (value instanceof List<?> list) {
+            List<String> strings = new ArrayList<>();
+            for (Object object : list) {
+                strings.add(String.valueOf(object));
+            }
+            return strings;
+        } else {
+            return new ArrayList<>();
+        }
+    }
+
+    /**
+     * Gets the given value as a boolean
+     *
+     * <p>This will throw an exception if used for a non-boolean value</p>
+     *
+     * @param value <p>The object value to get</p>
+     * @return <p>The value of the given object as a boolean</p>
+     * @throws ClassCastException <p>If the given value is not a boolean</p>
+     */
+    public static boolean asBoolean(@Nullable Object value) throws ClassCastException {
+        if (value instanceof Boolean booleanValue) {
+            return booleanValue;
+        } else if (value instanceof String) {
+            return Boolean.parseBoolean((String) value);
+        } else {
+            throw new ClassCastException();
+        }
+    }
+
+}

src/main/resources/conf/config.properties

@@ -3,4 +3,16 @@
 debug=false
 # Enabling hardware acceleration will try to use hardware acceleration for converters where it's available. Note that
 # software encoders generally produce a lower file-size relative to the output quality.
-hardware-acceleration=false
+hardware-acceleration-encode=false
+# Hardware decoding can often speed up the conversion, but might be troublesome at times
+hardware-acceleration-decode=true
+# The available hardware encoders
+encoders-hardware-accelerated=qsv,cuda,vaapi,dxva2,d3d11va,opencl,vulkan,d3d12va
+# As FLAC can increase file size significantly, this option enabled automatic re-encode of flac tracks
+encode-flac-always=false
+# The preference for audio languages when converting anime (0 = undefined, * = any)
+audio-languages-anime=jpn,eng,*
+# The preference for subtitle languages when converting anime (0 = undefined, * = any)
+subtitle-languages-anime=eng,*
+# The preference for minimal subtitles, AKA Signs & Songs (REQUIRE/PREFER/NO_PREFERENCE/AVOID/REJECT)
+minimal-subtitle-preference=AVOID