feat(voice): request web share audio via the browser picker (#2384)

fluxer_app/src/features/voice/utils/ScreenShareOptions.test.ts

@@ -156,6 +156,32 @@ describe('buildScreenShareOptions', () => {
 			frameRate: 30,
 		});
 	});
+	it('offers the browser picker system audio for every surface when audio is requested', () => {
+		const {captureOptions} = buildScreenShareOptions({
+			resolution: 'medium',
+			frameRate: 30,
+			includeAudio: true,
+			useBrowserAudioPicker: true,
+		});
+		expect(captureOptions).toMatchObject({
+			audio: true,
+			systemAudio: 'include',
+			windowAudio: 'system',
+		});
+	});
+	it('keeps the browser picker audio hints excluded when audio is not requested', () => {
+		const {captureOptions} = buildScreenShareOptions({
+			resolution: 'medium',
+			frameRate: 30,
+			includeAudio: false,
+			useBrowserAudioPicker: true,
+		});
+		expect(captureOptions).toMatchObject({
+			audio: false,
+			systemAudio: 'exclude',
+			windowAudio: 'exclude',
+		});
+	});
 });
 
 describe('forced screen share bitrate', () => {

fluxer_app/src/features/voice/utils/ScreenShareOptions.ts

@@ -92,6 +92,7 @@ export interface ScreenShareBuildConfig {
 		height: number;
 	};
 	preferredDisplaySurface?: 'window' | 'monitor';
+	useBrowserAudioPicker?: boolean;
 }
 
 type ScreenShareVideoOptions = NonNullable<Exclude<ScreenShareCaptureOptions['video'], true>> & {
@@ -150,8 +151,8 @@ export function buildScreenShareOptions(
 			...(config.includeAudio ? {restrictOwnAudio: true} : {}),
 			selfBrowserSurface: 'include',
 			monitorTypeSurfaces: config.preferredDisplaySurface === 'window' ? 'exclude' : 'include',
-			systemAudio: 'exclude',
+			systemAudio: config.includeAudio && config.useBrowserAudioPicker ? 'include' : 'exclude',
-			windowAudio: config.includeAudio ? 'window' : 'exclude',
+			windowAudio: config.includeAudio ? (config.useBrowserAudioPicker ? 'system' : 'window') : 'exclude',
 			resolution: {width, height, frameRate: resolvedFrameRate},
 			video,
 		},

fluxer_app/src/features/voice/utils/ScreenShareStartFlow.ts

@@ -202,6 +202,9 @@ function shouldIncludeAudioForShare(
 	if (shareContext === 'device') {
 		return VoiceSettings.getShareDeviceAudio();
 	}
+	if (displayShareEnvironment === 'web') {
+		return supportsDesktopScreenShareAudioCapture();
+	}
 	if (sourceId?.startsWith('window:')) {
 		return supportsDesktopScreenShareAudioCapture() && VoiceSettings.getShareAppAudio();
 	}
@@ -307,6 +310,7 @@ function getConfiguredScreenShareOptions(
 		contentHint,
 		sourceDimensions,
 		preferredDisplaySurface,
+		useBrowserAudioPicker: displayShareEnvironment === 'web',
 	});
 	publishOptions.videoCodec = preferredVideoCodec;
 	return {