Adds converter for stripping embedded captions from hevc

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

@@ -7,6 +7,7 @@ import net.knarcraft.ffmpegconverter.converter.AudioExtractor;
 import net.knarcraft.ffmpegconverter.converter.AudioToVorbisConverter;
 import net.knarcraft.ffmpegconverter.converter.Converter;
 import net.knarcraft.ffmpegconverter.converter.DownScaleConverter;
+import net.knarcraft.ffmpegconverter.converter.EmbeddedCaptionStripper;
 import net.knarcraft.ffmpegconverter.converter.LetterboxCropper;
 import net.knarcraft.ffmpegconverter.converter.MKVToMP4Transcoder;
 import net.knarcraft.ffmpegconverter.converter.MkvH264Converter;
@@ -102,7 +103,8 @@ public class FFMpegConvert {
                 11. Stream reorder
                 12. Letterbox cropper
                 13. Video's Audio to vorbis converter
-                14. Audio from video extractor""", 1, 14, Integer.MIN_VALUE);
+                14. Audio from video extractor
+                15. Embedded caption stripper""", 1, 15, Integer.MIN_VALUE);
 
         return switch (choice) {
             case 1 -> generateWebAnimeConverter();
@@ -120,6 +122,7 @@ public class FFMpegConvert {
             case 13 -> new AudioToVorbisConverter(FFPROBE_PATH, FFMPEG_PATH);
             case 14 -> new AudioExtractor(FFPROBE_PATH, FFMPEG_PATH, getChoice("<output audio extension>",
                     "mp3"), getChoice("<stream to extract>", 0, 1000, 0));
+            case 15 -> new EmbeddedCaptionStripper(FFPROBE_PATH, FFMPEG_PATH);
             default -> null;
         };
     }

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

@@ -0,0 +1,68 @@
+package net.knarcraft.ffmpegconverter.converter;
+
+import net.knarcraft.ffmpegconverter.container.FFMpegCommand;
+import net.knarcraft.ffmpegconverter.container.StreamProbeResult;
+import net.knarcraft.ffmpegconverter.converter.module.ConverterModule;
+import net.knarcraft.ffmpegconverter.converter.module.DebugModule;
+import net.knarcraft.ffmpegconverter.converter.module.ModuleExecutor;
+import net.knarcraft.ffmpegconverter.converter.module.mapping.MapAllModule;
+import net.knarcraft.ffmpegconverter.converter.module.output.CopyAllModule;
+import net.knarcraft.ffmpegconverter.converter.module.output.SetOutputFileModule;
+import net.knarcraft.ffmpegconverter.utility.FFMpegHelper;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * A transcoder which removes embedded caption subtitles, like EIA-608
+ */
+public class EmbeddedCaptionStripper extends AbstractConverter {
+
+    /**
+     * Instantiates a new mkv to mp4 transcoder
+     *
+     * @param ffprobePath <p>Path/command to ffprobe.</p>
+     * @param ffmpegPath  <p>Path/command to ffmpeg.</p>
+     */
+    public EmbeddedCaptionStripper(String ffprobePath, String ffmpegPath) {
+        super("mkv");
+        this.ffprobePath = ffprobePath;
+        this.ffmpegPath = ffmpegPath;
+    }
+
+    @Override
+    @NotNull
+    public List<String> getValidFormats() {
+        return List.of("mkv");
+    }
+
+    @Override
+    @Nullable
+    public FFMpegCommand generateConversionCommand(@NotNull String executable, @NotNull StreamProbeResult probeResult,
+                                                   @NotNull String outFile) {
+        FFMpegCommand command = FFMpegHelper.getFFMpegGeneralFileCommand(executable, probeResult.parsedFiles());
+        List<ConverterModule> modules = new ArrayList<>();
+
+        if (this.debug) {
+            modules.add(new DebugModule());
+        }
+
+        // Copy stream info
+        modules.add(new CopyAllModule());
+
+        //Add streams to output file
+        modules.add(new MapAllModule<>(probeResult.getVideoStreams()));
+        modules.add(new MapAllModule<>(probeResult.getAudioStreams()));
+        modules.add(new MapAllModule<>(probeResult.getSubtitleStreams()));
+        modules.add(new MapAllModule<>(probeResult.getOtherStreams()));
+        command.addOutputFileOption("-bsf:v", "filter_units=remove_types=39");
+
+        modules.add(new SetOutputFileModule(outFile));
+
+        new ModuleExecutor(command, modules).execute();
+        return command;
+    }
+
+}