Include segment number in output file

for segment without any label
Fixed #536

src/App.jsx

@@ -996,7 +996,8 @@ const App = memo(() => {
 
     setExportConfirmVisible(false);
 
-    const filteredOutSegments = exportSingle ? [outSegments[currentSegIndexSafe]] : outSegments;
+    const outSegmentsWithOrder = outSegments.map((s, order) => ({ ...s, order }));
+    const filteredOutSegments = exportSingle ? [outSegmentsWithOrder[currentSegIndexSafe]] : outSegmentsWithOrder;
 
     try {
       setWorking(i18n.t('Exporting'));
@@ -1011,6 +1012,7 @@ const App = memo(() => {
         rotation: isRotationSet ? effectiveRotation : undefined,
         copyFileStreams,
         keyframeCut,
+        invertCutSegments,
         segments: filteredOutSegments,
         onProgress: setCutProgress,
         appendFfmpegCommandLog,
@@ -1576,7 +1578,7 @@ const App = memo(() => {
       if (hasVideo) {
         if (isDurationValid(await getDuration(filePath))) {
           showToast();
-        await tryCreateDummyVideo();
+          await tryCreateDummyVideo();
         }
       } else if (hasAudio) {
         showToast();

src/ffmpeg.js

@@ -308,7 +308,7 @@ export async function cutMultiple({
   customOutDir, filePath, segments, videoDuration, rotation,
   onProgress, keyframeCut, copyFileStreams, outFormat, isCustomFormatSelected,
   appendFfmpegCommandLog, shortestFlag, ffmpegExperimental, preserveMovData, avoidNegativeTs,
-  customTagsByFile, customTagsByStreamId,
+  customTagsByFile, customTagsByStreamId, invertCutSegments,
 }) {
   console.log('customTagsByFile', customTagsByFile);
   console.log('customTagsByStreamId', customTagsByStreamId);
@@ -323,10 +323,14 @@ export async function cutMultiple({
 
   let i = 0;
   // eslint-disable-next-line no-restricted-syntax,no-unused-vars
-  for (const { start, end, name } of segments) {
+  for (const { start, end, name, order } of segments) {
     const cutFromStr = formatDuration({ seconds: start, fileNameFriendly: true });
     const cutToStr = formatDuration({ seconds: end, fileNameFriendly: true });
-    const segNamePart = name ? `-${filenamify(name)}` : '';
+    let segNamePart = '';
+    if (!invertCutSegments) {
+      if (name) segNamePart = `-${filenamify(name)}`;
+      else segNamePart = `-seg${order + 1}`;
+    }
     const cutSpecification = `${cutFromStr}-${cutToStr}${segNamePart}`.substr(0, 200);
     const ext = getOutFileExtension({ isCustomFormatSelected, outFormat, filePath });
     const fileName = `${cutSpecification}${ext}`;