Merge "BT: Aptx-Adaptive AIDL changes" am: 303c0f1eb9

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/1890097

Change-Id: I5a417c5c117303c4c66a5d9439b2730de1f22c7c

bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/AptxAdaptiveCapabilities.aidl

@@ -0,0 +1,46 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.bluetooth.audio;
+@VintfStability
+parcelable AptxAdaptiveCapabilities {
+  int[] sampleRateHz;
+  android.hardware.bluetooth.audio.AptxAdaptiveChannelMode[] channelMode;
+  byte[] bitsPerSample;
+  android.hardware.bluetooth.audio.AptxMode[] aptxMode;
+  android.hardware.bluetooth.audio.AptxSinkBuffering sinkBufferingMs;
+  android.hardware.bluetooth.audio.AptxAdaptiveTimeToPlay ttp;
+  android.hardware.bluetooth.audio.AptxAdaptiveInputMode inputMode;
+  int inputFadeDurationMs;
+  byte[] aptxAdaptiveConfigStream;
+}

bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/AptxAdaptiveChannelMode.aidl

@@ -0,0 +1,42 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.bluetooth.audio;
+@Backing(type="int") @VintfStability
+enum AptxAdaptiveChannelMode {
+  JOINT_STEREO = 0,
+  MONO = 1,
+  DUAL_MONO = 2,
+  TWS_STEREO = 4,
+  UNKNOWN = 255,
+}

bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/AptxAdaptiveConfiguration.aidl

@@ -0,0 +1,46 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.bluetooth.audio;
+@VintfStability
+parcelable AptxAdaptiveConfiguration {
+  int sampleRateHz;
+  android.hardware.bluetooth.audio.AptxAdaptiveChannelMode channelMode;
+  byte bitsPerSample;
+  android.hardware.bluetooth.audio.AptxMode aptxMode;
+  android.hardware.bluetooth.audio.AptxSinkBuffering sinkBufferingMs;
+  android.hardware.bluetooth.audio.AptxAdaptiveTimeToPlay ttp;
+  android.hardware.bluetooth.audio.AptxAdaptiveInputMode inputMode;
+  int inputFadeDurationMs;
+  byte[] aptxAdaptiveConfigStream;
+}

bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/AptxAdaptiveInputMode.aidl

@@ -0,0 +1,39 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.bluetooth.audio;
+@Backing(type="int") @VintfStability
+enum AptxAdaptiveInputMode {
+  STEREO = 0,
+  DUAL_MONO = 1,
+}

bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/AptxAdaptiveTimeToPlay.aidl

@@ -0,0 +1,43 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.bluetooth.audio;
+@VintfStability
+parcelable AptxAdaptiveTimeToPlay {
+  byte lowLowLatency;
+  byte highLowLatency;
+  byte lowHighQuality;
+  byte highHighQuality;
+  byte lowTws;
+  byte highTws;
+}

bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/AptxMode.aidl

@@ -0,0 +1,41 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.bluetooth.audio;
+@Backing(type="int") @VintfStability
+enum AptxMode {
+  UNKNOWN = 0,
+  HIGH_QUALITY = 4096,
+  LOW_LATENCY = 8192,
+  ULTRA_LOW_LATENCY = 16384,
+}

bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/AptxSinkBuffering.aidl

@@ -0,0 +1,43 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.bluetooth.audio;
+@VintfStability
+parcelable AptxSinkBuffering {
+  byte minLowLatency;
+  byte maxLowLatency;
+  byte minHighQuality;
+  byte maxHighQuality;
+  byte minTws;
+  byte maxTws;
+}

bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/CodecCapabilities.aidl

@@ -46,6 +46,7 @@ parcelable CodecCapabilities {
     android.hardware.bluetooth.audio.AacCapabilities aacCapabilities;
     android.hardware.bluetooth.audio.LdacCapabilities ldacCapabilities;
     android.hardware.bluetooth.audio.AptxCapabilities aptxCapabilities;
+    android.hardware.bluetooth.audio.AptxAdaptiveCapabilities aptxAdaptiveCapabilities;
     android.hardware.bluetooth.audio.Lc3Capabilities lc3Capabilities;
     android.hardware.bluetooth.audio.CodecCapabilities.VendorCapabilities vendorCapabilities;
   }

bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/CodecConfiguration.aidl

@@ -51,6 +51,7 @@ parcelable CodecConfiguration {
     android.hardware.bluetooth.audio.AacConfiguration aacConfig;
     android.hardware.bluetooth.audio.LdacConfiguration ldacConfig;
     android.hardware.bluetooth.audio.AptxConfiguration aptxConfig;
+    android.hardware.bluetooth.audio.AptxAdaptiveConfiguration aptxAdaptiveConfig;
     android.hardware.bluetooth.audio.Lc3Configuration lc3Config;
     android.hardware.bluetooth.audio.CodecConfiguration.VendorConfiguration vendorConfig;
   }

bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/CodecType.aidl

@@ -42,4 +42,5 @@ enum CodecType {
   LDAC = 5,
   LC3 = 6,
   VENDOR = 7,
+  APTX_ADAPTIVE = 8,
 }

bluetooth/audio/aidl/android/hardware/bluetooth/audio/AptxAdaptiveCapabilities.aidl

@@ -0,0 +1,37 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.bluetooth.audio;
+
+import android.hardware.bluetooth.audio.AptxAdaptiveChannelMode;
+import android.hardware.bluetooth.audio.AptxMode;
+import android.hardware.bluetooth.audio.AptxSinkBuffering;
+import android.hardware.bluetooth.audio.AptxAdaptiveTimeToPlay;
+import android.hardware.bluetooth.audio.AptxAdaptiveInputMode;
+
+
+@VintfStability
+parcelable AptxAdaptiveCapabilities {
+    int[] sampleRateHz;
+    AptxAdaptiveChannelMode[] channelMode;
+    byte[] bitsPerSample;
+    AptxMode[] aptxMode;
+    AptxSinkBuffering sinkBufferingMs;
+    AptxAdaptiveTimeToPlay ttp;
+    AptxAdaptiveInputMode inputMode;
+    int inputFadeDurationMs;
+    byte[] aptxAdaptiveConfigStream;
+}

bluetooth/audio/aidl/android/hardware/bluetooth/audio/AptxAdaptiveChannelMode.aidl

@@ -0,0 +1,31 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.bluetooth.audio;
+
+@VintfStability
+@Backing(type="int")
+enum AptxAdaptiveChannelMode {
+    /* Joint Stereo - default mode */
+    JOINT_STEREO = 0,
+    /* Legacy Mono */
+    MONO = 1,
+    /* Two streams L & R in a single channel (TWS) */
+    DUAL_MONO = 2,
+    /* Stereo - For TWS+ where L and R are different links */
+    TWS_STEREO = 4,
+    UNKNOWN = 0xFF,
+}

bluetooth/audio/aidl/android/hardware/bluetooth/audio/AptxAdaptiveConfiguration.aidl

@@ -0,0 +1,36 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.bluetooth.audio;
+
+import android.hardware.bluetooth.audio.AptxAdaptiveChannelMode;
+import android.hardware.bluetooth.audio.AptxMode;
+import android.hardware.bluetooth.audio.AptxSinkBuffering;
+import android.hardware.bluetooth.audio.AptxAdaptiveTimeToPlay;
+import android.hardware.bluetooth.audio.AptxAdaptiveInputMode;
+
+@VintfStability
+parcelable AptxAdaptiveConfiguration {
+    int sampleRateHz;
+    AptxAdaptiveChannelMode channelMode;
+    byte bitsPerSample;
+    AptxMode aptxMode;
+    AptxSinkBuffering sinkBufferingMs;
+    AptxAdaptiveTimeToPlay ttp;
+    AptxAdaptiveInputMode inputMode;
+    int inputFadeDurationMs;
+    byte[] aptxAdaptiveConfigStream;
+}

bluetooth/audio/aidl/android/hardware/bluetooth/audio/AptxAdaptiveInputMode.aidl

@@ -0,0 +1,24 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.bluetooth.audio;
+
+@VintfStability
+@Backing(type="int")
+enum AptxAdaptiveInputMode {
+    STEREO = 0x00,
+    DUAL_MONO = 0x01,
+}

bluetooth/audio/aidl/android/hardware/bluetooth/audio/AptxAdaptiveTimeToPlay.aidl

@@ -0,0 +1,27 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.bluetooth.audio;
+
+@VintfStability
+parcelable AptxAdaptiveTimeToPlay {
+    byte lowLowLatency;
+    byte highLowLatency;
+    byte lowHighQuality;
+    byte highHighQuality;
+    byte lowTws;
+    byte highTws;
+}

bluetooth/audio/aidl/android/hardware/bluetooth/audio/AptxMode.aidl

@@ -0,0 +1,24 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package android.hardware.bluetooth.audio;
+@VintfStability
+@Backing(type="int")
+enum AptxMode {
+    UNKNOWN = 0x00,
+    HIGH_QUALITY = 0x1000,
+    LOW_LATENCY = 0x2000,
+    ULTRA_LOW_LATENCY = 0x4000,
+}

bluetooth/audio/aidl/android/hardware/bluetooth/audio/AptxSinkBuffering.aidl

@@ -0,0 +1,28 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.bluetooth.audio;
+
+@VintfStability
+parcelable AptxSinkBuffering {
+    byte minLowLatency;
+    byte maxLowLatency;
+    byte minHighQuality;
+    byte maxHighQuality;
+    byte minTws;
+    byte maxTws;
+}
+

bluetooth/audio/aidl/android/hardware/bluetooth/audio/CodecCapabilities.aidl

@@ -18,6 +18,7 @@ package android.hardware.bluetooth.audio;
 
 import android.hardware.bluetooth.audio.AacCapabilities;
 import android.hardware.bluetooth.audio.AptxCapabilities;
+import android.hardware.bluetooth.audio.AptxAdaptiveCapabilities;
 import android.hardware.bluetooth.audio.CodecType;
 import android.hardware.bluetooth.audio.Lc3Capabilities;
 import android.hardware.bluetooth.audio.LdacCapabilities;
@@ -39,6 +40,7 @@ parcelable CodecCapabilities {
         AacCapabilities aacCapabilities;
         LdacCapabilities ldacCapabilities;
         AptxCapabilities aptxCapabilities;
+        AptxAdaptiveCapabilities aptxAdaptiveCapabilities;
         Lc3Capabilities lc3Capabilities;
         VendorCapabilities vendorCapabilities;
     }

bluetooth/audio/aidl/android/hardware/bluetooth/audio/CodecConfiguration.aidl

@@ -18,6 +18,7 @@ package android.hardware.bluetooth.audio;
 
 import android.hardware.bluetooth.audio.AacConfiguration;
 import android.hardware.bluetooth.audio.AptxConfiguration;
+import android.hardware.bluetooth.audio.AptxAdaptiveConfiguration;
 import android.hardware.bluetooth.audio.CodecType;
 import android.hardware.bluetooth.audio.Lc3Configuration;
 import android.hardware.bluetooth.audio.LdacConfiguration;
@@ -41,6 +42,7 @@ parcelable CodecConfiguration {
         AacConfiguration aacConfig;
         LdacConfiguration ldacConfig;
         AptxConfiguration aptxConfig;
+        AptxAdaptiveConfiguration aptxAdaptiveConfig;
         Lc3Configuration lc3Config;
         VendorConfiguration vendorConfig;
     }

bluetooth/audio/aidl/android/hardware/bluetooth/audio/CodecType.aidl

@@ -27,4 +27,5 @@ enum CodecType {
     LDAC,
     LC3,
     VENDOR,
+    APTX_ADAPTIVE,
 }

bluetooth/audio/utils/aidl_session/BluetoothAudioCodecs.cpp

@@ -356,6 +356,7 @@ BluetoothAudioCodecs::GetA2dpOffloadCodecCapabilities(
         break;
       case CodecType::UNKNOWN:
       case CodecType::VENDOR:
+      case CodecType::APTX_ADAPTIVE:
         break;
     }
   }
@@ -419,6 +420,7 @@ bool BluetoothAudioCodecs::IsOffloadCodecConfigurationValid(
         return true;
       }
       break;
+    case CodecType::APTX_ADAPTIVE:
     case CodecType::UNKNOWN:
     case CodecType::VENDOR:
       break;
@@ -487,4 +489,4 @@ BluetoothAudioCodecs::GetLeAudioOffloadCodecCapabilities(
 }  // namespace bluetooth
 }  // namespace hardware
 }  // namespace android
-}  // namespace aidl
+}  // namespace aidl