From 5c6f71c602c1bdec441cedffa74acc73ba733a43 Mon Sep 17 00:00:00 2001
From: evgeny <evgeny@adaptto.ru>
Date: Thu, 15 Oct 2026 00:49:52 +0200
Subject: [PATCH] Keep Camera2 frames when timestamp jitter crosses nominal
 frame duration

---
 .../app/src/main/java/com/utun/chat/data/CallVideoEngine.kt    | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tools/chatgui-android/app/src/main/java/com/utun/chat/data/CallVideoEngine.kt b/tools/chatgui-android/app/src/main/java/com/utun/chat/data/CallVideoEngine.kt
index e7cb2b41..4df904b2 100644
--- a/tools/chatgui-android/app/src/main/java/com/utun/chat/data/CallVideoEngine.kt
+++ b/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