1 /*
2  * Copyright (C) 2023 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 <vector>
18 
19 #define LOG_TAG "AHAL_ModulePrimary"
20 #include <Utils.h>
21 #include <android-base/logging.h>
22 
23 #include "core-impl/ModulePrimary.h"
24 #include "core-impl/StreamPrimary.h"
25 #include "core-impl/Telephony.h"
26 
27 using aidl::android::hardware::audio::common::SinkMetadata;
28 using aidl::android::hardware::audio::common::SourceMetadata;
29 using aidl::android::media::audio::common::AudioOffloadInfo;
30 using aidl::android::media::audio::common::AudioPort;
31 using aidl::android::media::audio::common::AudioPortConfig;
32 using aidl::android::media::audio::common::MicrophoneInfo;
33 
34 namespace aidl::android::hardware::audio::core {
35 
getTelephony(std::shared_ptr<ITelephony> * _aidl_return)36 ndk::ScopedAStatus ModulePrimary::getTelephony(std::shared_ptr<ITelephony>* _aidl_return) {
37     if (!mTelephony) {
38         mTelephony = ndk::SharedRefBase::make<Telephony>();
39     }
40     *_aidl_return = mTelephony.getInstance();
41     LOG(DEBUG) << __func__
42                << ": returning instance of ITelephony: " << _aidl_return->get()->asBinder().get();
43     return ndk::ScopedAStatus::ok();
44 }
45 
createInputStream(StreamContext && context,const SinkMetadata & sinkMetadata,const std::vector<MicrophoneInfo> & microphones,std::shared_ptr<StreamIn> * result)46 ndk::ScopedAStatus ModulePrimary::createInputStream(StreamContext&& context,
47                                                     const SinkMetadata& sinkMetadata,
48                                                     const std::vector<MicrophoneInfo>& microphones,
49                                                     std::shared_ptr<StreamIn>* result) {
50     return createStreamInstance<StreamInPrimary>(result, std::move(context), sinkMetadata,
51                                                  microphones);
52 }
53 
createOutputStream(StreamContext && context,const SourceMetadata & sourceMetadata,const std::optional<AudioOffloadInfo> & offloadInfo,std::shared_ptr<StreamOut> * result)54 ndk::ScopedAStatus ModulePrimary::createOutputStream(
55         StreamContext&& context, const SourceMetadata& sourceMetadata,
56         const std::optional<AudioOffloadInfo>& offloadInfo, std::shared_ptr<StreamOut>* result) {
57     return createStreamInstance<StreamOutPrimary>(result, std::move(context), sourceMetadata,
58                                                   offloadInfo);
59 }
60 
getNominalLatencyMs(const AudioPortConfig &)61 int32_t ModulePrimary::getNominalLatencyMs(const AudioPortConfig&) {
62     // 85 ms is chosen considering 4096 frames @ 48 kHz. This is the value which allows
63     // the virtual Android device implementation to pass CTS. Hardware implementations
64     // should have significantly lower latency.
65     static constexpr int32_t kLatencyMs = 85;
66     return kLatencyMs;
67 }
68 
69 }  // namespace aidl::android::hardware::audio::core
70