From 20a943777179add6194d0501d097d350b1604ae7 Mon Sep 17 00:00:00 2001
From: Yung Ti Su <andysu@google.com>
Date: Thu, 17 Nov 2022 14:43:17 +0800
Subject: [PATCH] audio: enable gapless offload flag

Enable gapless support on compressed_offload w/o trimming delay and padding.

Bug: 259490645
Test: manual

Change-Id: I8b1a9281d2de9c46322cbe12f9e51b9f70adecae
Signed-off-by: Yung Ti Su <andysu@google.com>
---
 audio/lynx/config/audio_policy_configuration.xml               | 2 +-
 .../audio_policy_configuration_a2dp_offload_disabled.xml       | 2 +-
 .../config/audio_policy_configuration_bluetooth_legacy_hal.xml | 2 +-
 .../config/audio_policy_configuration_le_offload_disabled.xml  | 2 +-
 audio/lynx/config/mixer_paths.xml                              | 3 +++
 5 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/audio/lynx/config/audio_policy_configuration.xml b/audio/lynx/config/audio_policy_configuration.xml
index 69f334e..1418903 100644
--- a/audio/lynx/config/audio_policy_configuration.xml
+++ b/audio/lynx/config/audio_policy_configuration.xml
@@ -37,7 +37,7 @@
                              samplingRates="48000" channelMasks="AUDIO_CHANNEL_OUT_STEREO"/>
                 </mixPort>
                 <mixPort name="compressed_offload" role="source"
-                         flags="AUDIO_OUTPUT_FLAG_DIRECT AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD AUDIO_OUTPUT_FLAG_NON_BLOCKING">
+                         flags="AUDIO_OUTPUT_FLAG_DIRECT AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD AUDIO_OUTPUT_FLAG_NON_BLOCKING AUDIO_OUTPUT_FLAG_GAPLESS_OFFLOAD">
                     <profile name="" format="AUDIO_FORMAT_MP3"
                              samplingRates="8000 16000 24000 32000 44100 48000"
                              channelMasks="AUDIO_CHANNEL_OUT_STEREO AUDIO_CHANNEL_OUT_MONO"/>
diff --git a/audio/lynx/config/audio_policy_configuration_a2dp_offload_disabled.xml b/audio/lynx/config/audio_policy_configuration_a2dp_offload_disabled.xml
index dc916ea..8253dcc 100644
--- a/audio/lynx/config/audio_policy_configuration_a2dp_offload_disabled.xml
+++ b/audio/lynx/config/audio_policy_configuration_a2dp_offload_disabled.xml
@@ -37,7 +37,7 @@
                              samplingRates="48000" channelMasks="AUDIO_CHANNEL_OUT_STEREO"/>
                 </mixPort>
                 <mixPort name="compressed_offload" role="source"
-                         flags="AUDIO_OUTPUT_FLAG_DIRECT AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD AUDIO_OUTPUT_FLAG_NON_BLOCKING">
+                         flags="AUDIO_OUTPUT_FLAG_DIRECT AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD AUDIO_OUTPUT_FLAG_NON_BLOCKING AUDIO_OUTPUT_FLAG_GAPLESS_OFFLOAD">
                     <profile name="" format="AUDIO_FORMAT_MP3"
                              samplingRates="8000 16000 24000 32000 44100 48000"
                              channelMasks="AUDIO_CHANNEL_OUT_STEREO AUDIO_CHANNEL_OUT_MONO"/>
diff --git a/audio/lynx/config/audio_policy_configuration_bluetooth_legacy_hal.xml b/audio/lynx/config/audio_policy_configuration_bluetooth_legacy_hal.xml
index 484048f..a44a6c5 100644
--- a/audio/lynx/config/audio_policy_configuration_bluetooth_legacy_hal.xml
+++ b/audio/lynx/config/audio_policy_configuration_bluetooth_legacy_hal.xml
@@ -37,7 +37,7 @@
                              samplingRates="48000" channelMasks="AUDIO_CHANNEL_OUT_STEREO"/>
                 </mixPort>
                 <mixPort name="compressed_offload" role="source"
-                         flags="AUDIO_OUTPUT_FLAG_DIRECT AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD AUDIO_OUTPUT_FLAG_NON_BLOCKING">
+                         flags="AUDIO_OUTPUT_FLAG_DIRECT AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD AUDIO_OUTPUT_FLAG_NON_BLOCKING AUDIO_OUTPUT_FLAG_GAPLESS_OFFLOAD">
                     <profile name="" format="AUDIO_FORMAT_MP3"
                              samplingRates="8000 16000 24000 32000 44100 48000"
                              channelMasks="AUDIO_CHANNEL_OUT_STEREO AUDIO_CHANNEL_OUT_MONO"/>
diff --git a/audio/lynx/config/audio_policy_configuration_le_offload_disabled.xml b/audio/lynx/config/audio_policy_configuration_le_offload_disabled.xml
index 573098e..4d28b12 100644
--- a/audio/lynx/config/audio_policy_configuration_le_offload_disabled.xml
+++ b/audio/lynx/config/audio_policy_configuration_le_offload_disabled.xml
@@ -37,7 +37,7 @@
                              samplingRates="48000" channelMasks="AUDIO_CHANNEL_OUT_STEREO"/>
                 </mixPort>
                 <mixPort name="compressed_offload" role="source"
-                         flags="AUDIO_OUTPUT_FLAG_DIRECT AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD AUDIO_OUTPUT_FLAG_NON_BLOCKING">
+                         flags="AUDIO_OUTPUT_FLAG_DIRECT AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD AUDIO_OUTPUT_FLAG_NON_BLOCKING AUDIO_OUTPUT_FLAG_GAPLESS_OFFLOAD">
                     <profile name="" format="AUDIO_FORMAT_MP3"
                              samplingRates="8000 16000 24000 32000 44100 48000"
                              channelMasks="AUDIO_CHANNEL_OUT_STEREO AUDIO_CHANNEL_OUT_MONO"/>
diff --git a/audio/lynx/config/mixer_paths.xml b/audio/lynx/config/mixer_paths.xml
index e7b6a9d..a8b71fb 100644
--- a/audio/lynx/config/mixer_paths.xml
+++ b/audio/lynx/config/mixer_paths.xml
@@ -30,6 +30,9 @@
     <ctl name="PCM Stream Wait Time in MSec" value="100"/>
     <ctl name="Voice PCM Stream Wait Time in MSec" value="500"/>
 
+    <!-- Enable it when AOC is ready to trim delay and padding -->
+    <ctl name="Gapless Offload Enable" value="1"/>
+
     <!-- TDM 0 setting -->
     <ctl name="TDM_0_RX Chan" value="Four"/>
     <ctl name="TDM_0_RX Format" value="S32_LE"/>