feat: 适配 RK 原生 HDMI IN 适配采集

web/src/lib/fps.ts

@@ -0,0 +1,15 @@
+export function formatFpsValue(fps: number): string {
+  if (!Number.isFinite(fps)) return '0'
+
+  const rounded = Math.round(fps * 100) / 100
+  return Number.isInteger(rounded) ? String(rounded) : rounded.toFixed(2).replace(/\.?0+$/, '')
+}
+
+export function formatFpsLabel(fps: number): string {
+  return `${formatFpsValue(fps)} FPS`
+}
+
+export function toConfigFps(fps: number): number {
+  if (!Number.isFinite(fps)) return 30
+  return Math.round(fps)
+}