delete twopass files created by ffmpeg if needed

src/main.ts

@@ -1,6 +1,8 @@
 import { BrowserWindow, app, dialog, ipcMain } from "electron";
-import { statSync, unlink } from "fs";
+import { statSync } from "fs";
 import {
+  deleteFile,
+  deleteTwoPassFiles,
   execute,
   getNewFilename,
   getVideoDuration,
@@ -63,12 +65,8 @@ app.whenReady().then(() => {
       `"${ffmpegPath}" -y -i "${tmpFile}" -i "${file}" -map 0 -map 1:a -c:v copy "${outFile}"`
     ).catch((e) => printAndDevTool(win, e));
 
-    // Delete the temporary file
-    unlink(tmpFile, (err) => {
-      if (err) {
-        throw err;
-      }
-    });
+    // Delete the temporary video file
+    deleteFile(tmpFile);
 
     const duration = getVideoDuration(outFile);
     const stats = statSync(outFile);
@@ -91,12 +89,11 @@ app.whenReady().then(() => {
      "${ffmpegPath}" -y -i "${file}" -c:v libx264 -b:v ${videoBitrate}k -pass 2 -c:a copy -map 0:0 -map 0:1 -map 0:2 -map 0:3 -f mp4 "${finalFile}"`
     ).catch((e) => printAndDevTool(win, e));
 
-    // Delete the old file
-    unlink(file, (err) => {
-      if (err) {
-        throw err;
-      }
-    });
+    // Delete the old video file
+    deleteFile(file);
+
+    // Delete the 2 pass temporary files
+    deleteTwoPassFiles(file);
 
     return finalFile;
   };

src/utils/misc.ts

@@ -2,6 +2,7 @@ import ffprobe = require("ffprobe-static");
 import child_process = require("child_process");
 import path = require("path");
 import { BrowserWindow } from "electron";
+import { existsSync, unlink } from "fs";
 
 /** Create a new filename from the OG one */
 export const getNewFilename = (ogFile: string, part: string) => {
@@ -34,3 +35,29 @@ export const execute = (command: string) => {
     });
   });
 };
+
+/** Delete a file */
+export const deleteFile = (file: string) => {
+  unlink(file, (err) => {
+    if (err) {
+      throw err;
+    }
+  });
+};
+
+/** Delete the 2pass files generated by ffmpeg, we're using
+ * the file location to know in which directory they are.
+ * We're checking first if they exists where we are looking at. */
+export const deleteTwoPassFiles = (file: string) => {
+  const directory = path.parse(file).dir;
+  const logFile = path.join(directory, "ffmpeg2pass-0.log");
+
+  if (existsSync(logFile)) {
+    deleteFile(logFile);
+  }
+
+  const mbtreeFile = path.join(directory, "ffmpeg2pass-0.log.mbtree");
+  if (existsSync(mbtreeFile)) {
+    deleteFile(mbtreeFile);
+  }
+};