Improve screenshare performance

electron/desktop-settings.ts

@@ -4,6 +4,7 @@ import * as path from 'path';
 
 export interface DesktopSettings {
   hardwareAcceleration: boolean;
+  vaapiVideoEncode: boolean;
 }
 
 export interface DesktopSettingsSnapshot extends DesktopSettings {
@@ -12,7 +13,8 @@ export interface DesktopSettingsSnapshot extends DesktopSettings {
 }
 
 const DEFAULT_DESKTOP_SETTINGS: DesktopSettings = {
-  hardwareAcceleration: true
+  hardwareAcceleration: true,
+  vaapiVideoEncode: false
 };
 
 export function getDesktopSettingsSnapshot(): DesktopSettingsSnapshot {
@@ -38,6 +40,9 @@ export function readDesktopSettings(): DesktopSettings {
     const parsed = JSON.parse(raw) as Partial<DesktopSettings>;
 
     return {
+      vaapiVideoEncode: typeof parsed.vaapiVideoEncode === 'boolean'
+        ? parsed.vaapiVideoEncode
+        : DEFAULT_DESKTOP_SETTINGS.vaapiVideoEncode,
       hardwareAcceleration: typeof parsed.hardwareAcceleration === 'boolean'
         ? parsed.hardwareAcceleration
         : DEFAULT_DESKTOP_SETTINGS.hardwareAcceleration