【m】修改为服务器录屏

2026-06-02 02:34:40 +08:00
parent d74a0c8121
commit 66d6f92d1e
21 changed files with 4053 additions and 32 deletions
--- a/test/recording-composer.test.ts
+++ b/test/recording-composer.test.ts
@@ -0,0 +1,85 @@
+import { buildFfmpegCompositionArgs } from '../src/recording/composer';
+import { ServerTrackRecordingFile } from '../src/recording/storage';
+
+function file(filename: string, trackKind: string, participantId: string, role = 'participant'): ServerTrackRecordingFile {
+  return {
+    meetingId: 'room-1',
+    directory: 'recordings/room-1',
+    filename,
+    filePath: `recordings/room-1/${filename}`,
+    metadataPath: `recordings/room-1/${filename}.json`,
+    recordingId: 'recording-1',
+    participantId,
+    trackId: `${participantId}-${trackKind}`,
+    trackKind,
+    uploadedAt: '2026-06-01T00:00:00.000Z',
+    metadata: { role }
+  };
+}
+
+describe('recording composer', () => {
+  test('builds ffmpeg args for host-led video layout and mixed audio', () => {
+    const args = buildFfmpegCompositionArgs({
+      videoInputs: [
+        file('p1-video.webm', 'video', 'p1', 'host'),
+        file('p2-video.webm', 'video', 'p2')
+      ],
+      audioInputs: [
+        file('p1-audio.webm', 'audio', 'p1'),
+        file('p2-audio.webm', 'audio', 'p2')
+      ],
+      outputPath: 'recordings/room-1/output.webm',
+      format: 'webm'
+    });
+
+    expect(args).toContain('-filter_complex');
+    expect(args.join(' ')).toContain('xstack=inputs=2');
+    expect(args.join(' ')).toContain('scale=1280:540');
+    expect(args.join(' ')).toContain('scale=1280:180');
+    expect(args.join(' ')).toContain('layout=0_0|0_540');
+    expect(args.join(' ')).toContain('amix=inputs=2');
+    expect(args).toContain('libvpx-vp9');
+    expect(args).toContain('libopus');
+    expect(args[args.length - 1]).toBe('recordings/room-1/output.webm');
+  });
+
+  test('places host in the first row even when host input is not first', () => {
+    const args = buildFfmpegCompositionArgs({
+      videoInputs: [
+        file('p1-video.webm', 'video', 'p1'),
+        file('host-video.webm', 'video', 'host', 'host'),
+        file('p2-video.webm', 'video', 'p2')
+      ],
+      audioInputs: [],
+      outputPath: 'recordings/room-1/output.webm',
+      format: 'webm'
+    });
+
+    const filter = args[args.indexOf('-filter_complex') + 1];
+    expect(args.slice(0, 7)).toEqual([
+      '-y',
+      '-i',
+      'recordings/room-1/host-video.webm',
+      '-i',
+      'recordings/room-1/p1-video.webm',
+      '-i',
+      'recordings/room-1/p2-video.webm'
+    ]);
+    expect(filter).toContain('scale=1280:540');
+    expect(filter).toContain('scale=640:180');
+    expect(filter).toContain('layout=0_0|0_540|640_540');
+  });
+
+  test('builds mp4 encoder args', () => {
+    const args = buildFfmpegCompositionArgs({
+      videoInputs: [file('p1-video.webm', 'video', 'p1')],
+      audioInputs: [],
+      outputPath: 'recordings/room-1/output.mp4',
+      format: 'mp4'
+    });
+
+    expect(args).toContain('libx264');
+    expect(args).toContain('-pix_fmt');
+    expect(args).not.toContain('libopus');
+  });
+});