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Josh Wu6ab53e72021-12-29 23:53:33 -08001/*
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
Josh Wu98d7e082022-01-21 03:04:21 -080017#define LOG_TAG "BTAudioProviderLeAudioHW"
Josh Wu6ab53e72021-12-29 23:53:33 -080018
19#include "LeAudioOffloadAudioProvider.h"
20
21#include <BluetoothAudioCodecs.h>
22#include <BluetoothAudioSessionReport.h>
23#include <android-base/logging.h>
24
25namespace aidl {
26namespace android {
27namespace hardware {
28namespace bluetooth {
29namespace audio {
30
31LeAudioOffloadOutputAudioProvider::LeAudioOffloadOutputAudioProvider()
32 : LeAudioOffloadAudioProvider() {
33 session_type_ = SessionType::LE_AUDIO_HARDWARE_OFFLOAD_ENCODING_DATAPATH;
34}
35
36LeAudioOffloadInputAudioProvider::LeAudioOffloadInputAudioProvider()
37 : LeAudioOffloadAudioProvider() {
38 session_type_ = SessionType::LE_AUDIO_HARDWARE_OFFLOAD_DECODING_DATAPATH;
39}
40
Alice Kuoe80a5762022-02-09 14:44:29 +080041LeAudioOffloadBroadcastAudioProvider::LeAudioOffloadBroadcastAudioProvider()
42 : LeAudioOffloadAudioProvider() {
43 session_type_ =
44 SessionType::LE_AUDIO_BROADCAST_HARDWARE_OFFLOAD_ENCODING_DATAPATH;
45}
46
Josh Wu6ab53e72021-12-29 23:53:33 -080047LeAudioOffloadAudioProvider::LeAudioOffloadAudioProvider()
48 : BluetoothAudioProvider() {}
49
50bool LeAudioOffloadAudioProvider::isValid(const SessionType& sessionType) {
51 return (sessionType == session_type_);
52}
53
54ndk::ScopedAStatus LeAudioOffloadAudioProvider::startSession(
55 const std::shared_ptr<IBluetoothAudioPort>& host_if,
Chen Chenc92270e2022-02-14 18:29:52 -080056 const AudioConfiguration& audio_config,
57 const std::vector<LatencyMode>& latency_modes,
58 DataMQDesc* _aidl_return) {
59 latency_modes_ = latency_modes;
Josh Wu6ab53e72021-12-29 23:53:33 -080060 if (audio_config.getTag() != AudioConfiguration::leAudioConfig) {
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 const auto& le_audio_config =
67 audio_config.get<AudioConfiguration::leAudioConfig>();
68 if (!BluetoothAudioCodecs::IsOffloadLeAudioConfigurationValid(
69 session_type_, le_audio_config)) {
70 LOG(WARNING) << __func__ << " - Unsupported LC3 Offloaded Configuration="
71 << le_audio_config.toString();
72 *_aidl_return = DataMQDesc();
73 return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
74 }
75
Chen Chenc92270e2022-02-14 18:29:52 -080076 return BluetoothAudioProvider::startSession(
77 host_if, audio_config, latency_modes, _aidl_return);
Josh Wu6ab53e72021-12-29 23:53:33 -080078}
79
80ndk::ScopedAStatus LeAudioOffloadAudioProvider::onSessionReady(
81 DataMQDesc* _aidl_return) {
82 BluetoothAudioSessionReport::OnSessionStarted(session_type_, stack_iface_,
83 nullptr, *audio_config_);
84 *_aidl_return = DataMQDesc();
85 return ndk::ScopedAStatus::ok();
86}
87
88} // namespace audio
89} // namespace bluetooth
90} // namespace hardware
91} // namespace android
92} // namespace aidl