From e7a29cfa7fe10ccf057be5fd8464efd6f38258d8 Mon Sep 17 00:00:00 2001
From: Jasmine Cha <chajasmine@google.com>
Date: Tue, 24 May 2022 14:28:47 +0800
Subject: [PATCH] audio: improve mute duration

- redefine mute duration of primary output from 160ms to 40ms to avoid
  cutting of preview notification.

Bug: 233176336
Test: preview notification/voice end call tone

Signed-off-by: Jasmine Cha <chajasmine@google.com>
Change-Id: I3ed4bf801d31e93062f9a56bf96540793b760205
---
 audio/bluejay/config/audio_policy_configuration.xml            | 3 ++-
 .../audio_policy_configuration_a2dp_offload_disabled.xml       | 3 ++-
 .../config/audio_policy_configuration_bluetooth_legacy_hal.xml | 3 ++-
 3 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/audio/bluejay/config/audio_policy_configuration.xml b/audio/bluejay/config/audio_policy_configuration.xml
index 4a612af..d07b023 100644
--- a/audio/bluejay/config/audio_policy_configuration.xml
+++ b/audio/bluejay/config/audio_policy_configuration.xml
@@ -27,7 +27,8 @@
             </attachedDevices>
             <defaultOutputDevice>Speaker</defaultOutputDevice>
             <mixPorts>
-                <mixPort name="primary output" role="source" flags="AUDIO_OUTPUT_FLAG_PRIMARY AUDIO_OUTPUT_FLAG_FAST">
+                <mixPort name="primary output" role="source" flags="AUDIO_OUTPUT_FLAG_PRIMARY AUDIO_OUTPUT_FLAG_FAST"
+                         recommendedMuteDurationMs="40">
                     <profile name="" format="AUDIO_FORMAT_PCM_FLOAT"
                              samplingRates="48000" channelMasks="AUDIO_CHANNEL_OUT_STEREO"/>
                 </mixPort>
diff --git a/audio/bluejay/config/audio_policy_configuration_a2dp_offload_disabled.xml b/audio/bluejay/config/audio_policy_configuration_a2dp_offload_disabled.xml
index a7dd45f..54ed107 100644
--- a/audio/bluejay/config/audio_policy_configuration_a2dp_offload_disabled.xml
+++ b/audio/bluejay/config/audio_policy_configuration_a2dp_offload_disabled.xml
@@ -27,7 +27,8 @@
             </attachedDevices>
             <defaultOutputDevice>Speaker</defaultOutputDevice>
             <mixPorts>
-                <mixPort name="primary output" role="source" flags="AUDIO_OUTPUT_FLAG_PRIMARY AUDIO_OUTPUT_FLAG_FAST">
+                <mixPort name="primary output" role="source" flags="AUDIO_OUTPUT_FLAG_PRIMARY AUDIO_OUTPUT_FLAG_FAST"
+                         recommendedMuteDurationMs="40">
                     <profile name="" format="AUDIO_FORMAT_PCM_FLOAT"
                              samplingRates="48000" channelMasks="AUDIO_CHANNEL_OUT_STEREO"/>
                 </mixPort>
diff --git a/audio/bluejay/config/audio_policy_configuration_bluetooth_legacy_hal.xml b/audio/bluejay/config/audio_policy_configuration_bluetooth_legacy_hal.xml
index 094d21f..9bcfa5f 100644
--- a/audio/bluejay/config/audio_policy_configuration_bluetooth_legacy_hal.xml
+++ b/audio/bluejay/config/audio_policy_configuration_bluetooth_legacy_hal.xml
@@ -27,7 +27,8 @@
             </attachedDevices>
             <defaultOutputDevice>Speaker</defaultOutputDevice>
             <mixPorts>
-                <mixPort name="primary output" role="source" flags="AUDIO_OUTPUT_FLAG_PRIMARY AUDIO_OUTPUT_FLAG_FAST">
+                <mixPort name="primary output" role="source" flags="AUDIO_OUTPUT_FLAG_PRIMARY AUDIO_OUTPUT_FLAG_FAST"
+                         recommendedMuteDurationMs="40">
                     <profile name="" format="AUDIO_FORMAT_PCM_FLOAT"
                              samplingRates="48000" channelMasks="AUDIO_CHANNEL_OUT_STEREO"/>
                 </mixPort>