3 files changed, 10 insertions, 2 deletions
diff --git a/client-web/source/preferences/decl.ts b/client-web/source/preferences/decl.ts
index 7d5c8b6..536c5c7 100644
--- a/client-web/source/preferences/decl.ts
+++ b/client-web/source/preferences/decl.ts
@@ -19,7 +19,7 @@ const optional = <T>(a: T): T | undefined => a
 export const PREF_DECLS = {
     username: { type: string, default: "guest-" + hex_id(), allow_url: true },
     language: { type: string, possible_values: ["system", ...Object.keys(LOCALES)], default: "system", allow_url: true },
-    
+
     /* MEDIA */
     rnnoise: { type: bool, default: true, allow_url: true },
     native_noise_suppression: { type: bool, default: false },
@@ -35,7 +35,11 @@ export const PREF_DECLS = {
     microphone_enabled: { type: bool, default: false },
     screencast_enabled: { type: bool, default: false },
     camera_enabled: { type: bool, default: false },
-    
+    send_previews: { type: bool, default: true },
+    preview_resolution: { type: number, default: 256, min: 16, max: 512 },
+    preview_rate: { type: number, default: 8, min: 1, max: 60 },
+    preview_encoding_quality: { type: number, default: 80, min: 10, max: 100 },
+
     // TODO differenciate between mic, cam and screen
     optional_audio_default_enable: { type: bool, default: true },
     optional_video_default_enable: { type: bool, default: false },
diff --git a/client-web/source/preferences/mod.ts b/client-web/source/preferences/mod.ts
index 1df57b1..bbf9bfb 100644
--- a/client-web/source/preferences/mod.ts
+++ b/client-web/source/preferences/mod.ts
@@ -15,6 +15,8 @@ export interface PrefDecl<T> {
     hidden?: boolean
     allow_url?: boolean
     require_reload?: boolean,
+    min?: number,
+    max?: number,
 }
 
 type Type = "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function";
diff --git a/client-web/source/preferences/ui.ts b/client-web/source/preferences/ui.ts
index 9cb52fd..c710f54 100644
--- a/client-web/source/preferences/ui.ts
+++ b/client-web/source/preferences/ui.ts
@@ -57,6 +57,8 @@ export function ui_preferences(): HTMLElement {
             textbox.type = "number"
             textbox.id = id
             textbox.value = PREFS[key] as string
+            if (decl.min) textbox.min = "" + decl.min
+            if (decl.max) textbox.max = "" + decl.max
             textbox.onchange = () => {
                 change_pref(key, parseFloat(textbox.value))
             }