init commit

remotion/node_modules/@remotion/webcodecs/dist/create/progress-tracker.js

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+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.makeProgressTracker = void 0;
+const event_emitter_1 = require("./event-emitter");
+// Make sure to distinguish null and undefined here
+const makeProgressTracker = () => {
+    const trackNumberProgresses = {};
+    const eventEmitter = new event_emitter_1.IoEventEmitter();
+    let startingTimestamp = null;
+    const setPossibleLowestTimestamp = (timestamp) => {
+        if (startingTimestamp === null) {
+            startingTimestamp = timestamp;
+        }
+        else {
+            startingTimestamp = Math.min(startingTimestamp, timestamp);
+        }
+    };
+    const getSmallestProgress = () => {
+        const progressValues = Object.values(trackNumberProgresses).map((p) => {
+            if (p !== null) {
+                return p;
+            }
+            // The starting timestamp might not be 0, it might be very huge
+            // If no sample has arrived yet, we should assume the smallest value
+            // we know as the progress
+            if (startingTimestamp === null) {
+                throw new Error('No progress values to calculate smallest progress from');
+            }
+            return startingTimestamp;
+        });
+        return Math.min(...progressValues);
+    };
+    return {
+        registerTrack: (trackNumber) => {
+            trackNumberProgresses[trackNumber] = null;
+        },
+        getSmallestProgress,
+        updateTrackProgress: (trackNumber, progress) => {
+            if (trackNumberProgresses[trackNumber] === undefined) {
+                throw new Error(`Tried to update progress for a track that was not registered: ${trackNumber}`);
+            }
+            trackNumberProgresses[trackNumber] = progress;
+            eventEmitter.dispatchEvent('progress', {
+                smallestProgress: getSmallestProgress(),
+            });
+        },
+        setPossibleLowestTimestamp,
+    };
+};
+exports.makeProgressTracker = makeProgressTracker;