implement duplicate segment

src/App.jsx

@@ -345,7 +345,7 @@ const App = memo(() => {
   }, [isFileOpened]);
 
   const {
-    cutSegments, cutSegmentsHistory, createSegmentsFromKeyframes, shuffleSegments, detectBlackScenes, detectSilentScenes, detectSceneChanges, removeCutSegment, invertAllSegments, fillSegmentsGaps, combineOverlappingSegments, combineSelectedSegments, shiftAllSegmentTimes, alignSegmentTimesToKeyframes, onViewSegmentTags, updateSegOrder, updateSegOrders, reorderSegsByStartTime, addSegment, setCutStart, setCutEnd, onLabelSegment, splitCurrentSegment, createNumSegments, createFixedDurationSegments, createRandomSegments, apparentCutSegments, haveInvalidSegs, currentSegIndexSafe, currentCutSeg, currentApparentCutSeg, inverseCutSegments, clearSegments, loadCutSegments, isSegmentSelected, setCutTime, setCurrentSegIndex, onLabelSelectedSegments, deselectAllSegments, selectAllSegments, selectOnlyCurrentSegment, toggleCurrentSegmentSelected, invertSelectedSegments, removeSelectedSegments, setDeselectedSegmentIds, onSelectSegmentsByLabel, toggleSegmentSelected, selectOnlySegment, getApparentCutSegmentById, selectedSegments, selectedSegmentsOrInverse, nonFilteredSegmentsOrInverse, segmentsToExport,
+    cutSegments, cutSegmentsHistory, createSegmentsFromKeyframes, shuffleSegments, detectBlackScenes, detectSilentScenes, detectSceneChanges, removeCutSegment, invertAllSegments, fillSegmentsGaps, combineOverlappingSegments, combineSelectedSegments, shiftAllSegmentTimes, alignSegmentTimesToKeyframes, onViewSegmentTags, updateSegOrder, updateSegOrders, reorderSegsByStartTime, addSegment, setCutStart, setCutEnd, onLabelSegment, splitCurrentSegment, createNumSegments, createFixedDurationSegments, createRandomSegments, apparentCutSegments, haveInvalidSegs, currentSegIndexSafe, currentCutSeg, currentApparentCutSeg, inverseCutSegments, clearSegments, loadCutSegments, isSegmentSelected, setCutTime, setCurrentSegIndex, onLabelSelectedSegments, deselectAllSegments, selectAllSegments, selectOnlyCurrentSegment, toggleCurrentSegmentSelected, invertSelectedSegments, removeSelectedSegments, setDeselectedSegmentIds, onSelectSegmentsByLabel, toggleSegmentSelected, selectOnlySegment, getApparentCutSegmentById, selectedSegments, selectedSegmentsOrInverse, nonFilteredSegmentsOrInverse, segmentsToExport, duplicateCurrentSegment, duplicateSegment,
   } = useSegments({ filePath, workingRef, setWorking, setCutProgress, mainVideoStream, duration, getRelevantTime, maxLabelLength, checkFileOpened, invertCutSegments, segmentsToChaptersOnly });
 
   const jumpSegStart = useCallback((index) => userSeekAbs(apparentCutSegments[index].start), [apparentCutSegments, userSeekAbs]);
@@ -1869,6 +1869,7 @@ const App = memo(() => {
       redo: () => cutSegmentsHistory.forward(),
       labelCurrentSegment: () => { onLabelSegment(currentSegIndexSafe); return false; },
       addSegment,
+      duplicateCurrentSegment,
       toggleLastCommands: () => { toggleLastCommands(); return false; },
       export: onExportPress,
       extractCurrentSegmentFramesAsImages,
@@ -1946,7 +1947,7 @@ const App = memo(() => {
     if (match) return bubble;
 
     return true; // bubble the event
-  }, [addSegment, alignSegmentTimesToKeyframes, askSetStartTimeOffset, batchFileJump, batchOpenSelectedFile, captureSnapshot, captureSnapshotAsCoverArt, changePlaybackRate, cleanupFilesDialog, clearSegments, closeBatch, closeExportConfirm, combineOverlappingSegments, combineSelectedSegments, concatCurrentBatch, concatDialogVisible, convertFormatBatch, copySegmentsToClipboard, createFixedDurationSegments, createNumSegments, createRandomSegments, currentSegIndexSafe, cutSegmentsHistory, deselectAllSegments, exportConfirmVisible, extractAllStreams, extractCurrentSegmentFramesAsImages, fillSegmentsGaps, goToTimecode, increaseRotation, invertAllSegments, invertSelectedSegments, jumpCutEnd, jumpCutStart, jumpSeg, jumpTimelineEnd, jumpTimelineStart, keyboardNormalSeekSpeed, keyboardSeekAccFactor, keyboardShortcutsVisible, onExportConfirm, onExportPress, onLabelSegment, pause, play, removeCutSegment, removeSelectedSegments, reorderSegsByStartTime, seekClosestKeyframe, seekRel, seekRelPercent, selectAllSegments, selectOnlyCurrentSegment, setCutEnd, setCutStart, setPlaybackVolume, shiftAllSegmentTimes, shortStep, shuffleSegments, splitCurrentSegment, timelineToggleComfortZoom, toggleCaptureFormat, toggleCurrentSegmentSelected, toggleKeyboardShortcuts, toggleKeyframeCut, toggleLastCommands, toggleLoopSelectedSegments, togglePlay, toggleSegmentsList, toggleStreamsSelector, toggleStripAudio, tryFixInvalidDuration, userHtml5ifyCurrentFile, zoomRel]);
+  }, [addSegment, alignSegmentTimesToKeyframes, askSetStartTimeOffset, batchFileJump, batchOpenSelectedFile, captureSnapshot, captureSnapshotAsCoverArt, changePlaybackRate, cleanupFilesDialog, clearSegments, closeBatch, closeExportConfirm, combineOverlappingSegments, combineSelectedSegments, concatCurrentBatch, concatDialogVisible, convertFormatBatch, copySegmentsToClipboard, createFixedDurationSegments, createNumSegments, createRandomSegments, currentSegIndexSafe, cutSegmentsHistory, deselectAllSegments, duplicateCurrentSegment, exportConfirmVisible, extractAllStreams, extractCurrentSegmentFramesAsImages, fillSegmentsGaps, goToTimecode, increaseRotation, invertAllSegments, invertSelectedSegments, jumpCutEnd, jumpCutStart, jumpSeg, jumpTimelineEnd, jumpTimelineStart, keyboardNormalSeekSpeed, keyboardSeekAccFactor, keyboardShortcutsVisible, onExportConfirm, onExportPress, onLabelSegment, pause, play, removeCutSegment, removeSelectedSegments, reorderSegsByStartTime, seekClosestKeyframe, seekRel, seekRelPercent, selectAllSegments, selectOnlyCurrentSegment, setCutEnd, setCutStart, setPlaybackVolume, shiftAllSegmentTimes, shortStep, shuffleSegments, splitCurrentSegment, timelineToggleComfortZoom, toggleCaptureFormat, toggleCurrentSegmentSelected, toggleKeyboardShortcuts, toggleKeyframeCut, toggleLastCommands, toggleLoopSelectedSegments, togglePlay, toggleSegmentsList, toggleStreamsSelector, toggleStripAudio, tryFixInvalidDuration, userHtml5ifyCurrentFile, zoomRel]);
 
   useKeyboard({ keyBindings, onKeyPress });
 
@@ -2286,6 +2287,7 @@ const App = memo(() => {
                     currentCutSeg={currentCutSeg}
                     segmentAtCursor={segmentAtCursor}
                     addSegment={addSegment}
+                    onDuplicateSegmentClick={duplicateSegment}
                     removeCutSegment={removeCutSegment}
                     onRemoveSelected={removeSelectedSegments}
                     toggleSegmentsList={toggleSegmentsList}

src/SegmentList.jsx

@@ -22,7 +22,7 @@ const buttonBaseStyle = {
 const neutralButtonColor = 'var(--gray8)';
 
 
-const Segment = memo(({ darkMode, seg, index, currentSegIndex, formatTimecode, getFrameCount, updateOrder, invertCutSegments, onClick, onRemovePress, onRemoveSelected, onLabelSelectedSegments, onReorderPress, onLabelPress, selected, onSelectSingleSegment, onToggleSegmentSelected, onDeselectAllSegments, onSelectSegmentsByLabel, onSelectAllSegments, jumpSegStart, jumpSegEnd, addSegment, onViewSegmentTags, onExtractSegmentFramesAsImages, onInvertSelectedSegments }) => {
+const Segment = memo(({ darkMode, seg, index, currentSegIndex, formatTimecode, getFrameCount, updateOrder, invertCutSegments, onClick, onRemovePress, onRemoveSelected, onLabelSelectedSegments, onReorderPress, onLabelPress, selected, onSelectSingleSegment, onToggleSegmentSelected, onDeselectAllSegments, onSelectSegmentsByLabel, onSelectAllSegments, jumpSegStart, jumpSegEnd, addSegment, onViewSegmentTags, onExtractSegmentFramesAsImages, onInvertSelectedSegments, onDuplicateSegmentClick }) => {
   const { t } = useTranslation();
   const { getSegColor } = useSegColors();
 
@@ -39,6 +39,7 @@ const Segment = memo(({ darkMode, seg, index, currentSegIndex, formatTimecode, g
       { label: t('Add segment'), click: addSegment },
       { label: t('Label segment'), click: onLabelPress },
       { label: t('Remove segment'), click: onRemovePress },
+      { label: t('Duplicate segment'), click: () => onDuplicateSegmentClick(seg) },
 
       { type: 'separator' },
 
@@ -64,7 +65,7 @@ const Segment = memo(({ darkMode, seg, index, currentSegIndex, formatTimecode, g
       { label: t('Segment tags'), click: () => onViewSegmentTags(index) },
       { label: t('Extract frames as image files'), click: () => onExtractSegmentFramesAsImages(index) },
     ];
-  }, [invertCutSegments, t, jumpSegStart, jumpSegEnd, addSegment, onLabelPress, onRemovePress, onLabelSelectedSegments, onRemoveSelected, onReorderPress, onSelectSingleSegment, seg, onSelectAllSegments, onDeselectAllSegments, onSelectSegmentsByLabel, onInvertSelectedSegments, updateOrder, onViewSegmentTags, index, onExtractSegmentFramesAsImages]);
+  }, [invertCutSegments, t, jumpSegStart, jumpSegEnd, addSegment, onLabelPress, onRemovePress, onLabelSelectedSegments, onRemoveSelected, onReorderPress, onDuplicateSegmentClick, seg, onSelectSingleSegment, onSelectAllSegments, onDeselectAllSegments, onSelectSegmentsByLabel, onInvertSelectedSegments, updateOrder, onViewSegmentTags, index, onExtractSegmentFramesAsImages]);
 
   useContextMenu(ref, contextMenuTemplate);
 
@@ -147,7 +148,7 @@ const SegmentList = memo(({
   currentSegIndex,
   updateSegOrder, updateSegOrders, addSegment, removeCutSegment, onRemoveSelected,
   onLabelSegment, currentCutSeg, segmentAtCursor, toggleSegmentsList, splitCurrentSegment,
-  selectedSegments, isSegmentSelected, onSelectSingleSegment, onToggleSegmentSelected, onDeselectAllSegments, onSelectAllSegments, onSelectSegmentsByLabel, onExtractSegmentFramesAsImages, onLabelSelectedSegments, onInvertSelectedSegments,
+  selectedSegments, isSegmentSelected, onSelectSingleSegment, onToggleSegmentSelected, onDeselectAllSegments, onSelectAllSegments, onSelectSegmentsByLabel, onExtractSegmentFramesAsImages, onLabelSelectedSegments, onInvertSelectedSegments, onDuplicateSegmentClick,
   jumpSegStart, jumpSegEnd, onViewSegmentTags,
 }) => {
   const { t } = useTranslation();
@@ -311,6 +312,7 @@ const SegmentList = memo(({
                 onExtractSegmentFramesAsImages={onExtractSegmentFramesAsImages}
                 onLabelSelectedSegments={onLabelSelectedSegments}
                 onInvertSelectedSegments={onInvertSelectedSegments}
+                onDuplicateSegmentClick={onDuplicateSegmentClick}
               />
             );
           })}

src/components/KeyboardShortcuts.jsx

@@ -291,6 +291,10 @@ const KeyboardShortcuts = memo(({
           name: t('Split segment at cursor'),
           category: segmentsAndCutpointsCategory,
         },
+        duplicateCurrentSegment: {
+          name: t('Duplicate current segment'),
+          category: segmentsAndCutpointsCategory,
+        },
         jumpPrevSegment: {
           name: t('Jump to previous segment'),
           category: segmentsAndCutpointsCategory,

src/hooks/useSegments.js

@@ -330,6 +330,27 @@ export default ({
     }
   }, [currentCutSeg.start, currentCutSeg.end, getRelevantTime, duration, cutSegments, createIndexedSegment, setCutSegments, setCurrentSegIndex]);
 
+  const duplicateSegment = useCallback((segment) => {
+    try {
+      // Cannot duplicate if seg is not finished
+      if (segment.start === undefined && segment.end === undefined) return;
+
+      const cutSegmentsNew = [
+        ...cutSegments,
+        createIndexedSegment({ segment: { start: segment.start, end: segment.end, name: segment.name }, incrementCount: true }),
+      ];
+
+      setCutSegments(cutSegmentsNew);
+      setCurrentSegIndex(cutSegmentsNew.length - 1);
+    } catch (err) {
+      console.error(err);
+    }
+  }, [createIndexedSegment, cutSegments, setCutSegments]);
+
+  const duplicateCurrentSegment = useCallback(() => {
+    duplicateSegment(currentCutSeg);
+  }, [currentCutSeg, duplicateSegment]);
+
   const setCutStart = useCallback(() => {
     if (!checkFileOpened()) return;
 
@@ -484,6 +505,8 @@ export default ({
     updateSegOrders,
     reorderSegsByStartTime,
     addSegment,
+    duplicateCurrentSegment,
+    duplicateSegment,
     setCutStart,
     setCutEnd,
     onLabelSegment,