From d266c5da25781fa6b30ec445c44e44bf3e675147 Mon Sep 17 00:00:00 2001
From: evgeny <evgeny@adaptto.ru>
Date: Mon, 19 Oct 2026 17:43:45 +0200
Subject: [PATCH] Respect GPU pipeline capacity before submitting a new camera
 frame

---
 tools/chatgui/src/call_video_engine.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/chatgui/src/call_video_engine.cpp b/tools/chatgui/src/call_video_engine.cpp
index 9891e19e..e937c36f 100644
--- a/tools/chatgui/src/call_video_engine.cpp
+++ b/tools/chatgui/src/call_video_engine.cpp
@@ -282,7 +282,7 @@ void CallVideoEngine::transmit() {
                 call_video_port_applied(m->id, format.generation, request, 0);
         }
 #ifdef HAVE_STREAM_CAPTURE
-        bool submit = state.can_encode && pts > lastPts;
+        bool submit = state.can_encode && pts > lastPts && encoder.pendingFrames() < 8;
         if (submit && (image.isNull() || nowUs() - pts > CallCameraMaxFrameAgeUs)) {
             DEBUG_WARN(DEBUG_CATEGORY_CALL, "video TX skips old capture age_us=%lld", (long long)(nowUs() - pts));
             lastPts = pts; ++expired; continue;