86 lines
2.8 KiB
TypeScript
86 lines
2.8 KiB
TypeScript
import { buildFfmpegCompositionArgs } from '../src/recording/composer';
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import { ServerTrackRecordingFile } from '../src/recording/storage';
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function file(filename: string, trackKind: string, participantId: string, role = 'participant'): ServerTrackRecordingFile {
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return {
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meetingId: 'room-1',
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directory: 'recordings/room-1',
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filename,
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filePath: `recordings/room-1/${filename}`,
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metadataPath: `recordings/room-1/${filename}.json`,
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recordingId: 'recording-1',
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participantId,
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trackId: `${participantId}-${trackKind}`,
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trackKind,
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uploadedAt: '2026-06-01T00:00:00.000Z',
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metadata: { role }
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};
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}
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describe('recording composer', () => {
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test('builds ffmpeg args for host-led video layout and mixed audio', () => {
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const args = buildFfmpegCompositionArgs({
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videoInputs: [
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file('p1-video.webm', 'video', 'p1', 'host'),
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file('p2-video.webm', 'video', 'p2')
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],
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audioInputs: [
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file('p1-audio.webm', 'audio', 'p1'),
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file('p2-audio.webm', 'audio', 'p2')
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],
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outputPath: 'recordings/room-1/output.webm',
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format: 'webm'
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});
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expect(args).toContain('-filter_complex');
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expect(args.join(' ')).toContain('xstack=inputs=2');
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expect(args.join(' ')).toContain('scale=1280:540');
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expect(args.join(' ')).toContain('scale=1280:180');
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expect(args.join(' ')).toContain('layout=0_0|0_540');
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expect(args.join(' ')).toContain('amix=inputs=2');
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expect(args).toContain('libvpx-vp9');
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expect(args).toContain('libopus');
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expect(args[args.length - 1]).toBe('recordings/room-1/output.webm');
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});
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test('places host in the first row even when host input is not first', () => {
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const args = buildFfmpegCompositionArgs({
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videoInputs: [
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file('p1-video.webm', 'video', 'p1'),
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file('host-video.webm', 'video', 'host', 'host'),
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file('p2-video.webm', 'video', 'p2')
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],
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audioInputs: [],
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outputPath: 'recordings/room-1/output.webm',
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format: 'webm'
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});
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const filter = args[args.indexOf('-filter_complex') + 1];
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expect(args.slice(0, 7)).toEqual([
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'-y',
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'-i',
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'recordings/room-1/host-video.webm',
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'-i',
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'recordings/room-1/p1-video.webm',
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'-i',
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'recordings/room-1/p2-video.webm'
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]);
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expect(filter).toContain('scale=1280:540');
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expect(filter).toContain('scale=640:180');
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expect(filter).toContain('layout=0_0|0_540|640_540');
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});
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test('builds mp4 encoder args', () => {
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const args = buildFfmpegCompositionArgs({
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videoInputs: [file('p1-video.webm', 'video', 'p1')],
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audioInputs: [],
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outputPath: 'recordings/room-1/output.mp4',
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format: 'mp4'
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});
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expect(args).toContain('libx264');
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expect(args).toContain('-pix_fmt');
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expect(args).not.toContain('libopus');
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});
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});
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