From 93593832811f0d7fc43dd89fabec28549944a68c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?B=C5=82az=CC=87ej=20Pankowski?=
 <86720177+pblazej@users.noreply.github.com>
Date: Thu, 4 Dec 2025 09:20:45 +0100
Subject: [PATCH] Override options

---
 .changeset/lovely-snails-crash.md                            | 5 +++++
 .../io/livekit/android/room/participant/LocalParticipant.kt  | 4 ++++
 2 files changed, 9 insertions(+)
 create mode 100644 .changeset/lovely-snails-crash.md

diff --git a/.changeset/lovely-snails-crash.md b/.changeset/lovely-snails-crash.md
new file mode 100644
index 000000000..ef8012d60
--- /dev/null
+++ b/.changeset/lovely-snails-crash.md
@@ -0,0 +1,5 @@
+---
+"client-sdk-android": patch
+---
+
+Fixed screen sharing with VP9/AV1 codecs
diff --git a/livekit-android-sdk/src/main/java/io/livekit/android/room/participant/LocalParticipant.kt b/livekit-android-sdk/src/main/java/io/livekit/android/room/participant/LocalParticipant.kt
index 62e0a4419..687e5ea4d 100644
--- a/livekit-android-sdk/src/main/java/io/livekit/android/room/participant/LocalParticipant.kt
+++ b/livekit-android-sdk/src/main/java/io/livekit/android/room/participant/LocalParticipant.kt
@@ -540,6 +540,10 @@ internal constructor(
             if (options.scalabilityMode == null) {
                 options = options.copy(scalabilityMode = "L3T3_KEY")
             }
+            // VP9/AV1 with screen sharing requires single spatial layer, always override
+            if (track.options.isScreencast) {
+                options = options.copy(scalabilityMode = "L1T3")
+            }
         }
         val encodings = computeVideoEncodings(track.options.isScreencast, track.dimensions, options)
         val videoLayers =