1 /*
2  * Copyright (C) 2018 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #include "BluetoothAudioOffload.h"
18 
19 namespace android {
20 namespace hardware {
21 namespace bluetooth {
22 namespace a2dp {
23 namespace V1_0 {
24 namespace implementation {
25 
HIDL_FETCH_IBluetoothAudioOffload(const char *)26 IBluetoothAudioOffload* HIDL_FETCH_IBluetoothAudioOffload(
27     const char* /* name */) {
28   return new BluetoothAudioOffload();
29 }
30 
31 // Methods from
32 // ::android::hardware::bluetooth::a2dp::V1_0::IBluetoothAudioOffload follow.
33 Return<::android::hardware::bluetooth::a2dp::V1_0::Status>
startSession(const sp<::android::hardware::bluetooth::a2dp::V1_0::IBluetoothAudioHost> & hostIf __unused,const::android::hardware::bluetooth::a2dp::V1_0::CodecConfiguration & codecConfig __unused)34 BluetoothAudioOffload::startSession(
35     const sp<::android::hardware::bluetooth::a2dp::V1_0::IBluetoothAudioHost>&
36         hostIf __unused,
37     const ::android::hardware::bluetooth::a2dp::V1_0::CodecConfiguration&
38         codecConfig __unused) {
39   /**
40    * Initialize the audio platform if codecConfiguration is supported.
41    * Save the the IBluetoothAudioHost interface, so that it can be used
42    * later to send stream control commands to the HAL client, based on
43    * interaction with Audio framework.
44    */
45   return ::android::hardware::bluetooth::a2dp::V1_0::Status::FAILURE;
46 }
47 
streamStarted(::android::hardware::bluetooth::a2dp::V1_0::Status status __unused)48 Return<void> BluetoothAudioOffload::streamStarted(
49     ::android::hardware::bluetooth::a2dp::V1_0::Status status __unused) {
50   /**
51    * Streaming on control path has started,
52    * HAL server should start the streaming on data path.
53    */
54   return Void();
55 }
56 
streamSuspended(::android::hardware::bluetooth::a2dp::V1_0::Status status __unused)57 Return<void> BluetoothAudioOffload::streamSuspended(
58     ::android::hardware::bluetooth::a2dp::V1_0::Status status __unused) {
59   /**
60    * Streaming on control path has suspend,
61    * HAL server should suspend the streaming on data path.
62    */
63   return Void();
64 }
65 
endSession()66 Return<void> BluetoothAudioOffload::endSession() {
67   /**
68    * Cleanup the audio platform as remote A2DP Sink device is no
69    * longer active
70    */
71   return Void();
72 }
73 
74 }  // namespace implementation
75 }  // namespace V1_0
76 }  // namespace a2dp
77 }  // namespace bluetooth
78 }  // namespace hardware
79 }  // namespace android
80