1 /*
2 * Copyright (C) 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 #define LOG_TAG "BTAudioProviderLeAudioHW"
18
19 #include "LeAudioOffloadAudioProvider.h"
20
21 #include <BluetoothAudioCodecs.h>
22 #include <BluetoothAudioSessionReport.h>
23 #include <android-base/logging.h>
24
25 namespace aidl {
26 namespace android {
27 namespace hardware {
28 namespace bluetooth {
29 namespace audio {
30
LeAudioOffloadOutputAudioProvider()31 LeAudioOffloadOutputAudioProvider::LeAudioOffloadOutputAudioProvider()
32 : LeAudioOffloadAudioProvider() {
33 session_type_ = SessionType::LE_AUDIO_HARDWARE_OFFLOAD_ENCODING_DATAPATH;
34 }
35
LeAudioOffloadInputAudioProvider()36 LeAudioOffloadInputAudioProvider::LeAudioOffloadInputAudioProvider()
37 : LeAudioOffloadAudioProvider() {
38 session_type_ = SessionType::LE_AUDIO_HARDWARE_OFFLOAD_DECODING_DATAPATH;
39 }
40
LeAudioOffloadBroadcastAudioProvider()41 LeAudioOffloadBroadcastAudioProvider::LeAudioOffloadBroadcastAudioProvider()
42 : LeAudioOffloadAudioProvider() {
43 session_type_ =
44 SessionType::LE_AUDIO_BROADCAST_HARDWARE_OFFLOAD_ENCODING_DATAPATH;
45 }
46
LeAudioOffloadAudioProvider()47 LeAudioOffloadAudioProvider::LeAudioOffloadAudioProvider()
48 : BluetoothAudioProvider() {}
49
isValid(const SessionType & sessionType)50 bool LeAudioOffloadAudioProvider::isValid(const SessionType& sessionType) {
51 return (sessionType == session_type_);
52 }
53
startSession(const std::shared_ptr<IBluetoothAudioPort> & host_if,const AudioConfiguration & audio_config,const std::vector<LatencyMode> & latency_modes,DataMQDesc * _aidl_return)54 ndk::ScopedAStatus LeAudioOffloadAudioProvider::startSession(
55 const std::shared_ptr<IBluetoothAudioPort>& host_if,
56 const AudioConfiguration& audio_config,
57 const std::vector<LatencyMode>& latency_modes, DataMQDesc* _aidl_return) {
58 if (session_type_ ==
59 SessionType::LE_AUDIO_BROADCAST_HARDWARE_OFFLOAD_ENCODING_DATAPATH) {
60 if (audio_config.getTag() != AudioConfiguration::leAudioBroadcastConfig) {
61 LOG(WARNING) << __func__ << " - Invalid Audio Configuration="
62 << audio_config.toString();
63 *_aidl_return = DataMQDesc();
64 return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
65 }
66 } else if (audio_config.getTag() != AudioConfiguration::leAudioConfig) {
67 LOG(WARNING) << __func__ << " - Invalid Audio Configuration="
68 << audio_config.toString();
69 *_aidl_return = DataMQDesc();
70 return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
71 }
72
73 return BluetoothAudioProvider::startSession(
74 host_if, audio_config, latency_modes, _aidl_return);
75 }
76
onSessionReady(DataMQDesc * _aidl_return)77 ndk::ScopedAStatus LeAudioOffloadAudioProvider::onSessionReady(
78 DataMQDesc* _aidl_return) {
79 BluetoothAudioSessionReport::OnSessionStarted(
80 session_type_, stack_iface_, nullptr, *audio_config_, latency_modes_);
81 *_aidl_return = DataMQDesc();
82 return ndk::ScopedAStatus::ok();
83 }
84
85 } // namespace audio
86 } // namespace bluetooth
87 } // namespace hardware
88 } // namespace android
89 } // namespace aidl
90