1 /*
2  * Copyright 2022 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 "hearing_aid_software_encoding.h"
18 
19 #include "aidl/hearing_aid_software_encoding_aidl.h"
20 #include "hal_version_manager.h"
21 #include "hidl/hearing_aid_software_encoding_hidl.h"
22 
23 namespace bluetooth {
24 namespace audio {
25 namespace hearing_aid {
26 
27 // Check if new bluetooth_audio is enabled
is_hal_enabled()28 bool is_hal_enabled() {
29   if (HalVersionManager::GetHalTransport() ==
30       BluetoothAudioHalTransport::HIDL) {
31     return hidl::hearing_aid::is_hal_2_0_enabled();
32   }
33   return aidl::hearing_aid::is_hal_enabled();
34 }
35 
36 // Initialize BluetoothAudio HAL: openProvider
init(StreamCallbacks stream_cb,bluetooth::common::MessageLoopThread * message_loop)37 bool init(StreamCallbacks stream_cb,
38           bluetooth::common::MessageLoopThread* message_loop) {
39   if (HalVersionManager::GetHalTransport() ==
40       BluetoothAudioHalTransport::HIDL) {
41     return hidl::hearing_aid::init(stream_cb, message_loop);
42   }
43   return aidl::hearing_aid::init(stream_cb, message_loop);
44 }
45 
46 // Clean up BluetoothAudio HAL
cleanup()47 void cleanup() {
48   if (HalVersionManager::GetHalTransport() ==
49       BluetoothAudioHalTransport::HIDL) {
50     hidl::hearing_aid::cleanup();
51     return;
52   }
53   aidl::hearing_aid::cleanup();
54 }
55 
56 // Send command to the BluetoothAudio HAL: StartSession, EndSession
start_session()57 void start_session() {
58   if (HalVersionManager::GetHalTransport() ==
59       BluetoothAudioHalTransport::HIDL) {
60     hidl::hearing_aid::start_session();
61     return;
62   }
63   aidl::hearing_aid::start_session();
64 }
65 
end_session()66 void end_session() {
67   if (HalVersionManager::GetHalTransport() ==
68       BluetoothAudioHalTransport::HIDL) {
69     hidl::hearing_aid::end_session();
70     return;
71   }
72   aidl::hearing_aid::end_session();
73 }
74 
set_remote_delay(uint16_t delay_report_ms)75 void set_remote_delay(uint16_t delay_report_ms) {
76   if (HalVersionManager::GetHalTransport() ==
77       BluetoothAudioHalTransport::HIDL) {
78     hidl::hearing_aid::set_remote_delay(delay_report_ms);
79     return;
80   }
81   aidl::hearing_aid::set_remote_delay(delay_report_ms);
82 }
83 
84 // Read from the FMQ of BluetoothAudio HAL
read(uint8_t * p_buf,uint32_t len)85 size_t read(uint8_t* p_buf, uint32_t len) {
86   if (HalVersionManager::GetHalTransport() ==
87       BluetoothAudioHalTransport::HIDL) {
88     return hidl::hearing_aid::read(p_buf, len);
89   }
90   return aidl::hearing_aid::read(p_buf, len);
91 }
92 
93 }  // namespace hearing_aid
94 }  // namespace audio
95 }  // namespace bluetooth
96