From 19676084e62db28cf70b0d97b219ec85eace189e Mon Sep 17 00:00:00 2001
From: Cedric T <cedric.tio@xperi.com>
Date: Tue, 30 May 2023 17:33:39 +0800
Subject: [PATCH] Fix DTS:X P2 offload playback.

---
 .../exoplayer/audio/DefaultAudioOffloadSupportProvider.java | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/libraries/exoplayer/src/main/java/androidx/media3/exoplayer/audio/DefaultAudioOffloadSupportProvider.java b/libraries/exoplayer/src/main/java/androidx/media3/exoplayer/audio/DefaultAudioOffloadSupportProvider.java
index 296003f661..e6f7a08827 100644
--- a/libraries/exoplayer/src/main/java/androidx/media3/exoplayer/audio/DefaultAudioOffloadSupportProvider.java
+++ b/libraries/exoplayer/src/main/java/androidx/media3/exoplayer/audio/DefaultAudioOffloadSupportProvider.java
@@ -88,7 +88,11 @@ public final class DefaultAudioOffloadSupportProvider
     if (channelConfig == AudioFormat.CHANNEL_INVALID) {
       return AudioOffloadSupport.DEFAULT_UNSUPPORTED;
     }
-
+    // AudioFormat.ENCODING_DTS_UHD_P2 is defined from API 34 onwards. Before that encoding should
+    // be set to C.ENCODING_DTS, which is supported by TV ICs for offload playback.
+    if ((Util.SDK_INT < 34) && (encoding == C.ENCODING_DTS_UHD_P2)) {
+      encoding = C.ENCODING_DTS;
+    }
     AudioFormat audioFormat = Util.getAudioFormat(format.sampleRate, channelConfig, encoding);
     if (Util.SDK_INT >= 31) {
       return Api31.getOffloadedPlaybackSupport(