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/*
* Copyright (C) 2022 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#define LOG_TAG "BTAudioProvidersFactory"
#include "BluetoothAudioProviderFactory.h"
#include <BluetoothAudioCodecs.h>
#include <android-base/logging.h>
#include "A2dpOffloadAudioProvider.h"
#include "A2dpSoftwareAudioProvider.h"
#include "BluetoothAudioProvider.h"
#include "HearingAidAudioProvider.h"
#include "LeAudioOffloadAudioProvider.h"
#include "LeAudioSoftwareAudioProvider.h"
namespace aidl {
namespace android {
namespace hardware {
namespace bluetooth {
namespace audio {
BluetoothAudioProviderFactory::BluetoothAudioProviderFactory() {}
ndk::ScopedAStatus BluetoothAudioProviderFactory::openProvider(
const SessionType session_type,
std::shared_ptr<IBluetoothAudioProvider>* _aidl_return) {
LOG(INFO) << __func__ << " - SessionType=" << toString(session_type);
std::shared_ptr<BluetoothAudioProvider> provider = nullptr;
switch (session_type) {
case SessionType::A2DP_SOFTWARE_ENCODING_DATAPATH:
provider = ndk::SharedRefBase::make<A2dpSoftwareAudioProvider>();
break;
case SessionType::A2DP_HARDWARE_OFFLOAD_ENCODING_DATAPATH:
provider = ndk::SharedRefBase::make<A2dpOffloadAudioProvider>();
break;
case SessionType::HEARING_AID_SOFTWARE_ENCODING_DATAPATH:
provider = ndk::SharedRefBase::make<HearingAidAudioProvider>();
break;
case SessionType::LE_AUDIO_SOFTWARE_ENCODING_DATAPATH:
provider = ndk::SharedRefBase::make<LeAudioSoftwareOutputAudioProvider>();
break;
case SessionType::LE_AUDIO_HARDWARE_OFFLOAD_ENCODING_DATAPATH:
provider = ndk::SharedRefBase::make<LeAudioOffloadOutputAudioProvider>();
break;
case SessionType::LE_AUDIO_SOFTWARE_DECODING_DATAPATH:
provider = ndk::SharedRefBase::make<LeAudioSoftwareInputAudioProvider>();
break;
case SessionType::LE_AUDIO_HARDWARE_OFFLOAD_DECODING_DATAPATH:
provider = ndk::SharedRefBase::make<LeAudioOffloadInputAudioProvider>();
break;
default:
provider = nullptr;
break;
}
if (provider == nullptr || !provider->isValid(session_type)) {
provider = nullptr;
LOG(ERROR) << __func__ << " - SessionType=" << toString(session_type);
return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
}
*_aidl_return = provider;
return ndk::ScopedAStatus::ok();
}
ndk::ScopedAStatus BluetoothAudioProviderFactory::getProviderCapabilities(
const SessionType session_type,
std::vector<AudioCapabilities>* _aidl_return) {
if (session_type == SessionType::A2DP_HARDWARE_OFFLOAD_ENCODING_DATAPATH) {
auto codec_capabilities =
BluetoothAudioCodecs::GetA2dpOffloadCodecCapabilities(session_type);
_aidl_return->resize(codec_capabilities.size());
for (int i = 0; i < codec_capabilities.size(); i++) {
_aidl_return->at(i).set<AudioCapabilities::a2dpCapabilities>(
codec_capabilities[i]);
}
} else if (session_type ==
SessionType::LE_AUDIO_HARDWARE_OFFLOAD_ENCODING_DATAPATH ||
session_type ==
SessionType::LE_AUDIO_HARDWARE_OFFLOAD_DECODING_DATAPATH) {
std::vector<LeAudioCodecCapabilitiesSetting> db_codec_capabilities =
BluetoothAudioCodecs::GetLeAudioOffloadCodecCapabilities(session_type);
if (db_codec_capabilities.size()) {
_aidl_return->resize(db_codec_capabilities.size());
for (int i = 0; i < db_codec_capabilities.size(); ++i) {
_aidl_return->at(i).set<AudioCapabilities::leAudioCapabilities>(
db_codec_capabilities[i]);
}
}
} else if (session_type != SessionType::UNKNOWN) {
auto pcm_capabilities = BluetoothAudioCodecs::GetSoftwarePcmCapabilities();
_aidl_return->resize(pcm_capabilities.size());
for (int i = 0; i < pcm_capabilities.size(); i++) {
_aidl_return->at(i).set<AudioCapabilities::pcmCapabilities>(
pcm_capabilities[i]);
}
}
LOG(INFO) << __func__ << " - SessionType=" << toString(session_type)
<< " supports " << _aidl_return->size() << " codecs";
return ndk::ScopedAStatus::ok();
}
} // namespace audio
} // namespace bluetooth
} // namespace hardware
} // namespace android
} // namespace aidl
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