Add XMEML importer #458

package.json

@@ -85,6 +85,7 @@
     "electron-store": "^5.1.1",
     "electron-unhandled": "^3.0.2",
     "execa": "^4.0.0",
+    "fast-xml-parser": "^3.17.4",
     "ffmpeg-static": "^4.2.1",
     "ffprobe-static": "^3.0.0",
     "file-type": "^12.4.0",

public/menu.js

@@ -32,9 +32,20 @@ module.exports = (app, mainWindow, newVersion) => {
         {
           label: 'Load project (CSV)',
           click() {
-            mainWindow.webContents.send('importEdlFile');
+            mainWindow.webContents.send('importEdlFile', 'csv');
           },
         },
+        {
+          label: 'Import project',
+          submenu: [
+            {
+              label: 'DaVinci Resolve / Final Cut Pro XML',
+              click() {
+                mainWindow.webContents.send('importEdlFile', 'xmeml');
+              },
+            },
+          ],
+        },
         {
           label: 'Save project (CSV)',
           click() {

src/App.jsx

@@ -43,7 +43,7 @@ import {
   readFrames, renderWaveformPng, html5ifyDummy, cutMultiple, extractStreams, autoMergeSegments, getAllStreams,
   findNearestKeyFrameTime, html5ify as ffmpegHtml5ify, isStreamThumbnail, isAudioSupported, isIphoneHevc,
 } from './ffmpeg';
-import { save as edlStoreSave, load as edlStoreLoad } from './edlStore';
+import { save as edlStoreSave, load as edlStoreLoad, loadXmeml } from './edlStore';
 import {
   getOutPath, formatDuration, toast, errorToast, showFfmpegFail, setFileNameTitle,
   promptTimeOffset, generateColor, getOutDir, withBlur, checkDirWriteAccess, dirExists, askForOutDir,
@@ -1105,25 +1105,32 @@ const App = memo(() => {
     return getOutPath(cod, fp, `html5ified-${type}.${ext}`);
   }, []);
 
-  const loadEdlFile = useCallback(async (edlPath) => {
-    try {
-      const storedEdl = await edlStoreLoad(edlPath);
-      const allRowsValid = storedEdl
-        .every(row => row.start === undefined || row.end === undefined || row.start < row.end);
+  const loadCutSegments = useCallback((edl) => {
+    const allRowsValid = edl
+      .every(row => row.start === undefined || row.end === undefined || row.start < row.end);
 
-      if (!allRowsValid) {
-        throw new Error(i18n.t('Invalid start or end values for one or more segments'));
-      }
+    if (!allRowsValid) {
+      throw new Error(i18n.t('Invalid start or end values for one or more segments'));
+    }
+
+    cutSegmentsHistory.go(0);
+    setCutSegments(edl.map(createSegment));
+  }, [cutSegmentsHistory, setCutSegments]);
 
-      cutSegmentsHistory.go(0);
-      setCutSegments(storedEdl.map(createSegment));
+  const loadEdlFile = useCallback(async (edlPath, type = 'csv') => {
+    try {
+      let storedEdl;
+      if (type === 'csv') storedEdl = await edlStoreLoad(edlPath);
+      else if (type === 'xmeml') storedEdl = await loadXmeml(edlPath);
+
+      loadCutSegments(storedEdl);
     } catch (err) {
       if (err.code !== 'ENOENT') {
         console.error('EDL load failed', err);
         errorToast(`${i18n.t('Failed to load project file')} (${err.message})`);
       }
     }
-  }, [cutSegmentsHistory, setCutSegments]);
+  }, [loadCutSegments]);
 
   const load = useCallback(async ({ filePath: fp, customOutDir: cod, html5FriendlyPathRequested, dummyVideoPathRequested }) => {
     console.log('Load', { fp, cod, html5FriendlyPathRequested, dummyVideoPathRequested });
@@ -1525,14 +1532,19 @@ const App = memo(() => {
       }
     }
 
-    async function importEdlFile() {
+    async function importEdlFile(e, type) {
       if (!isFileOpened) {
         toast.fire({ icon: 'info', title: i18n.t('You need to open a media file first') });
         return;
       }
-      const { canceled, filePaths } = await dialog.showOpenDialog({ properties: ['openFile'], filters: [{ name: i18n.t('CSV files'), extensions: ['csv'] }] });
+
+      let filters;
+      if (type === 'csv') filters = [{ name: i18n.t('CSV files'), extensions: ['csv'] }];
+      else if (type === 'xmeml') filters = [{ name: i18n.t('XML files'), extensions: ['xml'] }];
+
+      const { canceled, filePaths } = await dialog.showOpenDialog({ properties: ['openFile'], filters });
       if (canceled || filePaths.length < 1) return;
-      await loadEdlFile(filePaths[0]);
+      await loadEdlFile(filePaths[0], type);
     }
 
     function openHelp() {

src/edlStore.js

@@ -1,6 +1,7 @@
 import parse from 'csv-parse';
 import stringify from 'csv-stringify';
 import i18n from 'i18next';
+import fastXmlParser from 'fast-xml-parser';
 
 const fs = window.require('fs-extra');
 const { promisify } = window.require('util');
@@ -32,6 +33,13 @@ export async function load(path) {
   return mapped;
 }
 
+// https://developer.apple.com/library/archive/documentation/AppleApplications/Reference/FinalCutPro_XML/VersionsoftheInterchangeFormat/VersionsoftheInterchangeFormat.html
+export async function loadXmeml(path) {
+  const xml = fastXmlParser.parse(await fs.readFile(path, 'utf-8'));
+  // TODO maybe support media.audio also?
+  return xml.xmeml.project.children.sequence.media.video.track.clipitem.map((item) => ({ start: item.start / item.rate.timebase, end: item.end / item.rate.timebase }));
+}
+
 export async function save(path, cutSegments) {
   console.log('Saving', path);
   const rows = cutSegments.map(({ start, end, name }) => [start, end, name]);

yarn.lock

@@ -5461,6 +5461,11 @@ fast-shallow-equal@^1.0.0:
   resolved "https://registry.yarnpkg.com/fast-shallow-equal/-/fast-shallow-equal-1.0.0.tgz#d4dcaf6472440dcefa6f88b98e3251e27f25628b"
   integrity sha512-HPtaa38cPgWvaCFmRNhlc6NG7pv6NUHqjPgVAkWGoB9mQMwYB27/K0CvOM5Czy+qpT3e8XJ6Q4aPAnzpNpzNaw==
 
+fast-xml-parser@^3.17.4:
+  version "3.17.4"
+  resolved "https://registry.yarnpkg.com/fast-xml-parser/-/fast-xml-parser-3.17.4.tgz#d668495fb3e4bbcf7970f3c24ac0019d82e76477"
+  integrity sha512-qudnQuyYBgnvzf5Lj/yxMcf4L9NcVWihXJg7CiU1L+oUCq8MUnFEfH2/nXR/W5uq+yvUN1h7z6s7vs2v1WkL1A==
+
 fastest-stable-stringify@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/fastest-stable-stringify/-/fastest-stable-stringify-1.0.1.tgz#9122d406d4c9d98bea644a6b6853d5874b87b028"