Adds a de-interlace module and stuff

Adds a module to de-interlace when converting a video. It's enabled by a new configuration option.
Fixes some bugs in the letterbox cropper
Adds mpeg4 to video formats

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

@@ -52,6 +52,11 @@ public class ConfigKey<T> {
      */
     public static final ConfigKey<String> MINIMAL_SUBTITLE_PREFERENCE = createKey("minimal-subtitle-preference", String.class, "AVOID");
 
+    /**
+     * The configuration key for whether to de-interlace video streams
+     */
+    public static final ConfigKey<Boolean> DE_INTERLACE_VIDEO = createKey("de-interlace-video", Boolean.class, false);
+
     private final String configKey;
     private final T defaultValue;
     private final Class<T> type;

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

@@ -21,6 +21,7 @@ public class Configuration {
     private List<String> animeAudioLanguages;
     private List<String> animeSubtitleLanguages;
     private MinimalSubtitlePreference minimalSubtitlePreference;
+    private boolean deInterlaceVideo;
 
     /**
      * Instantiates and loads a new configuration
@@ -53,6 +54,7 @@ public class Configuration {
         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));
+        deInterlaceVideo = ConfigHelper.asBoolean(configHandler.getValue(ConfigKey.DE_INTERLACE_VIDEO));
         try {
             minimalSubtitlePreference = MinimalSubtitlePreference.valueOf(String.valueOf(configHandler.getValue(
                     ConfigKey.MINIMAL_SUBTITLE_PREFERENCE)));
@@ -147,4 +149,13 @@ public class Configuration {
         return this.minimalSubtitlePreference;
     }
 
+    /**
+     * Gets whether video streams should be de-interlaced
+     *
+     * @return <p>Whether to de-interlace streams</p>
+     */
+    public boolean deInterlaceVideo() {
+        return this.deInterlaceVideo;
+    }
+
 }

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

@@ -3,6 +3,8 @@ package net.knarcraft.ffmpegconverter.converter;
 import net.knarcraft.ffmpegconverter.FFMpegConvert;
 import net.knarcraft.ffmpegconverter.container.FFMpegCommand;
 import net.knarcraft.ffmpegconverter.container.StreamProbeResult;
+import net.knarcraft.ffmpegconverter.converter.module.DeInterlaceModule;
+import net.knarcraft.ffmpegconverter.converter.module.ModuleExecutor;
 import net.knarcraft.ffmpegconverter.handler.AvailableHardwareEncoderHandler;
 import net.knarcraft.ffmpegconverter.streams.StreamObject;
 import net.knarcraft.ffmpegconverter.utility.FFMpegHelper;
@@ -68,6 +70,12 @@ public abstract class AbstractConverter implements Converter {
             return;
         }
 
+        // De-interlace the video if enabled
+        if (FFMpegConvert.getConfiguration().deInterlaceVideo() &&
+                (outExtension.equalsIgnoreCase("mkv") || outExtension.equalsIgnoreCase("mp4"))) {
+            new ModuleExecutor(ffMpegCommand, List.of(new DeInterlaceModule())).execute();
+        }
+
         String[] command = ffMpegCommand.getResult();
         // If no commands were given, no conversion is necessary
         if (command.length == 0) {

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

@@ -90,7 +90,7 @@ public class AnimeConverter extends AbstractConverter {
         FFMpegCommand command = FFMpegHelper.getFFMpegGeneralFileCommand(executable, probeResult.parsedFiles());
         List<ConverterModule> modules = new ArrayList<>();
         if (this.debug) {
-            modules.add(new DebugModule(90, 120));
+            modules.add(new DebugModule());
         }
         modules.add(new FastStartModule());
 

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

@@ -40,7 +40,7 @@ public class AudioConverter extends AbstractConverter {
         List<ConverterModule> modules = new ArrayList<>();
 
         if (this.debug) {
-            modules.add(new DebugModule(0, 0));
+            modules.add(new DebugModule());
         }
 
         //Gets the first audio stream from the file and adds it to the output file

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

@@ -64,7 +64,7 @@ public class DownScaleConverter extends AbstractConverter {
 
         FFMpegCommand command = FFMpegHelper.getFFMpegGeneralFileCommand(executable, probeResult.parsedFiles());
         if (this.debug) {
-            modules.add(new DebugModule(0, 0));
+            modules.add(new DebugModule());
         }
 
         //Add all streams without re-encoding

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

@@ -112,7 +112,7 @@ public class LetterboxCropper extends AbstractConverter {
 
         FFMpegCommand convertCommand = new FFMpegCommand(ffmpegPath);
 
-        convertCommand.addInputFileOption(inputFile.getName());
+        convertCommand.addInputFile(inputFile.getName());
         convertCommand.addOutputFileOption("-vf", "crop=" + crop);
         convertCommand.addOutputFileOption("-c:v", "libx265");
         convertCommand.addOutputFileOption("-crf", "22");
@@ -142,7 +142,7 @@ public class LetterboxCropper extends AbstractConverter {
         Map<String, Integer> cropValues = new HashMap<>();
 
         if (this.debug) {
-            modules.add(new DebugModule(0, 0));
+            modules.add(new DebugModule());
         }
 
         FFMpegCommand probeCommand = new FFMpegCommand(ffmpegPath);
@@ -166,7 +166,7 @@ public class LetterboxCropper extends AbstractConverter {
             FFMpegCommand clone = probeCommand.clone();
             clone.addInputFileOption("-ss", String.valueOf(i));
 
-            ProcessBuilder processBuilder = new ProcessBuilder(probeCommand.getResult());
+            ProcessBuilder processBuilder = new ProcessBuilder(clone.getResult());
             ProcessResult result = null;
             try {
                 result = FFMpegHelper.runProcess(processBuilder, inputFile.getParentFile(), SPACER, false);

src/main/java/net/knarcraft/ffmpegconverter/converter/MKVToMP4Transcoder.java

@@ -60,7 +60,7 @@ public class MKVToMP4Transcoder extends AbstractConverter {
         List<ConverterModule> modules = new ArrayList<>();
 
         if (this.debug) {
-            modules.add(new DebugModule(0, 0));
+            modules.add(new DebugModule());
         }
 
         // Copy stream info

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

@@ -52,7 +52,7 @@ public class MkvH264Converter extends AbstractConverter {
         List<ConverterModule> modules = new ArrayList<>();
 
         if (this.debug) {
-            modules.add(new DebugModule(0, 0));
+            modules.add(new DebugModule());
         }
 
         // Map video if present

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

@@ -53,7 +53,7 @@ public class MkvH265ReducedConverter extends AbstractConverter {
         List<ConverterModule> modules = new ArrayList<>();
 
         if (this.debug) {
-            modules.add(new DebugModule(0, 0));
+            modules.add(new DebugModule());
         }
 
         // Map video if present

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

@@ -73,7 +73,7 @@ public class StreamOrderConverter extends AbstractConverter {
         FFMpegCommand command = FFMpegHelper.getFFMpegGeneralFileCommand(executable, probeResult.parsedFiles());
         List<ConverterModule> modules = new ArrayList<>();
         if (this.debug) {
-            modules.add(new DebugModule(90, 120));
+            modules.add(new DebugModule());
         }
         modules.add(new FastStartModule());
 

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

@@ -50,7 +50,7 @@ public class SubtitleEmbed extends AbstractConverter {
         List<ConverterModule> modules = new ArrayList<>();
 
         if (this.debug) {
-            modules.add(new DebugModule(0, 0));
+            modules.add(new DebugModule());
         }
 
         modules.add(new MapAllModule<>(probeResult.parsedStreams()));

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

@@ -44,7 +44,7 @@ public class VideoConverter extends AbstractConverter {
 
         List<StreamObject> streams = probeResult.parsedStreams();
         if (this.debug) {
-            modules.add(new DebugModule(0, 0));
+            modules.add(new DebugModule());
         }
 
         //Add all streams without re-encoding

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

@@ -76,7 +76,7 @@ public class WebAnimeConverter extends AbstractConverter {
         FFMpegCommand command = FFMpegHelper.getFFMpegWebVideoCommand(executable, probeResult.parsedFiles());
         List<ConverterModule> modules = new ArrayList<>();
         if (this.debug) {
-            modules.add(new DebugModule(0, 0));
+            modules.add(new DebugModule());
         }
 
         //Get the first audio stream in accordance with chosen languages

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

@@ -53,7 +53,7 @@ public class WebVideoConverter extends AbstractConverter {
         List<ConverterModule> modules = new ArrayList<>();
 
         if (this.debug) {
-            modules.add(new DebugModule(0, 0));
+            modules.add(new DebugModule());
         }
 
         //Get first streams from the file

src/main/java/net/knarcraft/ffmpegconverter/converter/module/DeInterlaceModule.java

@@ -0,0 +1,16 @@
+package net.knarcraft.ffmpegconverter.converter.module;
+
+import net.knarcraft.ffmpegconverter.container.FFMpegCommand;
+import org.jetbrains.annotations.NotNull;
+
+/**
+ * A converter module for adding de-interlacing
+ */
+public class DeInterlaceModule implements ConverterModule {
+
+    @Override
+    public void addArguments(@NotNull FFMpegCommand command) {
+        command.addOutputFileOption("-filter:v", "bwdif=mode=send_field");
+    }
+
+}

src/main/java/net/knarcraft/ffmpegconverter/converter/module/DebugModule.java

@@ -11,6 +11,13 @@ public class DebugModule implements ConverterModule {
     private double startTime = 50;
     private double duration = 120;
 
+    /**
+     * Instantiates a new debug module that starts at 50 seconds, and lasts until 120 seconds
+     */
+    public DebugModule() {
+
+    }
+
     /**
      * Instantiates a new debug module
      *

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

@@ -184,8 +184,8 @@ public final class FFMpegHelper {
      * @param stream  <p>The stream to map</p>
      */
     public static void mapStream(@NotNull FFMpegCommand command, @NotNull StreamObject stream) {
-        command.addOutputFileOption("-map", String.format("%d:%d",
-                stream.getInputIndex(), stream.getAbsoluteIndex()));
+        command.addOutputFileOption("-map", String.format("%d:%d", stream.getInputIndex(),
+                stream.getAbsoluteIndex()));
     }
 
     /**

src/main/resources/conf/config.properties

@@ -15,4 +15,6 @@ 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
+minimal-subtitle-preference=AVOID
+# The preference for whether video streams should be de-interlaced. It is recommended to only enable this when you notice that a video file is interlaced.
+de-interlace-video=false

src/main/resources/video_formats.txt

@@ -28,4 +28,5 @@ m2v
 svi
 3g2
 roq
-nsv
+nsv
+mpeg4