From 87adca9a10caa141598b7d4c485774692f646ef3 Mon Sep 17 00:00:00 2001
From: Romain Vimont <rom@rom1v.com>
Date: Thu, 12 Feb 2026 20:24:03 +0100
Subject: [PATCH] Set MediaCodec KEY_PRIORITY to real-time (0)

Refs <https://developer.android.com/reference/android/media/MediaFormat#KEY_PRIORITY>
Refs #6238 comment <https://github.com/Genymobile/scrcpy/issues/6238#issuecomment-3828402687>
---
 .../main/java/com/genymobile/scrcpy/video/SurfaceEncoder.java    | 1 +
 1 file changed, 1 insertion(+)

diff --git a/server/src/main/java/com/genymobile/scrcpy/video/SurfaceEncoder.java b/server/src/main/java/com/genymobile/scrcpy/video/SurfaceEncoder.java
index 461ba472..db317b75 100644
--- a/server/src/main/java/com/genymobile/scrcpy/video/SurfaceEncoder.java
+++ b/server/src/main/java/com/genymobile/scrcpy/video/SurfaceEncoder.java
@@ -264,6 +264,7 @@ public class SurfaceEncoder implements AsyncProcessor {
         format.setInteger(MediaFormat.KEY_I_FRAME_INTERVAL, DEFAULT_I_FRAME_INTERVAL);
         // display the very first frame, and recover from bad quality when no new frames
         format.setLong(MediaFormat.KEY_REPEAT_PREVIOUS_FRAME_AFTER, REPEAT_FRAME_DELAY_US); // µs
+        format.setInteger(MediaFormat.KEY_PRIORITY, 0); // real-time priority
         if (maxFps > 0) {
             // The key existed privately before Android 10:
             // <https://android.googlesource.com/platform/frameworks/base/+/625f0aad9f7a259b6881006ad8710adce57d1384%5E%21/>