Merge pull request #86 from JonnyBurger/url-source-allow-reading-small-files

Do not make UrlSource fail if the size of the file is smaller than 512kb (+ add a Vitest browser mode test)

test/node/read-mp4.test.ts

@@ -0,0 +1,35 @@
+import { expect, test } from 'vitest';
+import path from 'node:path';
+import { ALL_FORMATS, MP4, EncodedPacketSink, Input, FilePathSource } from '../../src/index.js';
+
+const __dirname = new URL('.', import.meta.url).pathname;
+
+test('Should be able to get packets from a .MP4 file', async () => {
+	const filePath = path.join(__dirname, '..', 'public/video.mp4');
+	const input = new Input({
+		source: new FilePathSource(filePath),
+		formats: ALL_FORMATS,
+	});
+
+	expect(await input.getFormat()).toBe(MP4);
+	expect(await input.getMimeType()).toBe('video/mp4; codecs="avc1.640028, mp4a.40.2"');
+	expect(await input.computeDuration()).toBe(5.056);
+
+	const track = await input.getPrimaryVideoTrack();
+	if (!track) throw new Error('No video track found');
+
+	const sink = new EncodedPacketSink(track);
+
+	let samples = 0;
+	const timestamps: number[] = [];
+
+	for await (const packet of sink.packets()) {
+		timestamps.push(packet.timestamp);
+		samples++;
+	}
+
+	expect(samples).toBe(125);
+	expect(timestamps.slice(0, 10)).toEqual([
+		0, 0.16, 0.08, 0.04, 0.12, 0.32, 0.24, 0.2, 0.28, 0.48,
+	]);
+});