Keep Camera2 frames when timestamp jitter crosses nominal frame duration

tools/chatgui-android/app/src/main/java/com/utun/chat/data/CallVideoEngine.kt

@@ -224,7 +224,8 @@ class CallVideoEngine(private val context: Context, private val id: Long) {
                     sensorOffset = it; LogManager.addLog("WARN", "call", "camera timestamp calibrated from arrival id=$id offset=$it")
                 }
                 val pts = (image.timestamp + offset) / 1000
-                if (pts <= lastPts || (lastPts >= 0 && pts - lastPts < 33333)) return@setOnImageAvailableListener
+                // Camera2 уже ограничена 30 fps. Порог 33333 мкс отбрасывал каждый второй кадр при дрожании часов.
+                if (pts <= lastPts) return@setOnImageAvailableListener
                 val key = needKey || lastKey < 0 || pts - lastKey >= 1_000_000
                 if (key && pendingRequest != 0L) {
                     val requestId = pendingRequest; pendingRequest = 0