From eec44318a5d34ff7773803c0ace71dc3ffbd5fa4 Mon Sep 17 00:00:00 2001
From: millerliang <millerliang@google.com>
Date: Wed, 7 Sep 2022 13:59:37 +0800
Subject: [PATCH] audio: adjust the latency for immersive playback

To meet the av sync, we need to adjust the uc latency
for immersive playback.

Bug: 243645548
Test: Test with av sync video
Change-Id: I5980c8833e168f859b541eeab7d093c206857233
---
 audio/oriole/config/audio_platform_configuration.xml | 4 ++++
 audio/raven/config/audio_platform_configuration.xml  | 5 +++++
 2 files changed, 9 insertions(+)

diff --git a/audio/oriole/config/audio_platform_configuration.xml b/audio/oriole/config/audio_platform_configuration.xml
index 5923cb9..35bf66f 100644
--- a/audio/oriole/config/audio_platform_configuration.xml
+++ b/audio/oriole/config/audio_platform_configuration.xml
@@ -219,6 +219,10 @@
             <be_cfg be_id="OUT_A2DP_BE_CFG" latency="180000"/>
         </usecase>
 
+        <usecase id="UC_IMMERSIVE_PLAYBACK" type="playback">
+            <be_cfg be_id="OUT_A2DP_BE_CFG" latency="100000"/>
+        </usecase>
+
         <usecase id="UC_AUDIO_RECORD" type="capture">
             <be_cfg be_id="IN_CAMCORDER_LANDSCAPE_BE_CFG" latency="160000"/>
             <be_cfg be_id="IN_CAMCORDER_INVERT_LANDSCAPE_BE_CFG" latency="160000"/>
diff --git a/audio/raven/config/audio_platform_configuration.xml b/audio/raven/config/audio_platform_configuration.xml
index e376ee6..35bf66f 100644
--- a/audio/raven/config/audio_platform_configuration.xml
+++ b/audio/raven/config/audio_platform_configuration.xml
@@ -182,6 +182,7 @@
         <usecase id="UC_DEEP_BUFFER_PLAYBACK" dev1="5" dyn_path="true" dsp_vol="false" mmap="false" period="20" period_num="4"/>
         <!-- dev1: voice-call downlink dev2: voice-clal uplink -->
         <usecase id="UC_VOICE_CALL" dev1="4" dev2="11"/>
+        <!-- for output with flag AUDIO_OUTPUT_SPATIALIZER -->
         <usecase id="UC_IMMERSIVE_PLAYBACK" dev1="30" dyn_path="true" dsp_vol="false" mmap="false" period="10" period_num="3"/>
         <!-- for output with AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD, 4 * 128KB buffer -->
         <usecase id="UC_COMPRESSED_OFFLOAD_PLAYBACK" dev1="6" dyn_path="true" dsp_vol="true" mmap="false" period="131072" period_num="4" pre_proc_id="14"/>
@@ -218,6 +219,10 @@
             <be_cfg be_id="OUT_A2DP_BE_CFG" latency="180000"/>
         </usecase>
 
+        <usecase id="UC_IMMERSIVE_PLAYBACK" type="playback">
+            <be_cfg be_id="OUT_A2DP_BE_CFG" latency="100000"/>
+        </usecase>
+
         <usecase id="UC_AUDIO_RECORD" type="capture">
             <be_cfg be_id="IN_CAMCORDER_LANDSCAPE_BE_CFG" latency="160000"/>
             <be_cfg be_id="IN_CAMCORDER_INVERT_LANDSCAPE_BE_CFG" latency="160000"/>