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/*
* Copyright 2018 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 <android-base/logging.h>
#include "BluetoothAudioProvidersFactory.h"
#include "BluetoothAudioSupportedCodecsDB.h"
namespace android {
namespace hardware {
namespace bluetooth {
namespace audio {
namespace V2_0 {
namespace implementation {
using ::android::hardware::hidl_vec;
using ::android::hardware::Void;
A2dpSoftwareAudioProvider
BluetoothAudioProvidersFactory::a2dp_software_provider_instance_;
A2dpOffloadAudioProvider
BluetoothAudioProvidersFactory::a2dp_offload_provider_instance_;
HearingAidAudioProvider
BluetoothAudioProvidersFactory::hearing_aid_provider_instance_;
Return<void> BluetoothAudioProvidersFactory::openProvider(
const SessionType sessionType, openProvider_cb _hidl_cb) {
LOG(INFO) << __func__ << " - SessionType=" << toString(sessionType);
BluetoothAudioStatus status = BluetoothAudioStatus::SUCCESS;
BluetoothAudioProvider* provider = nullptr;
switch (sessionType) {
case SessionType::A2DP_SOFTWARE_ENCODING_DATAPATH:
provider = &a2dp_software_provider_instance_;
break;
case SessionType::A2DP_HARDWARE_OFFLOAD_DATAPATH:
provider = &a2dp_offload_provider_instance_;
break;
case SessionType::HEARING_AID_SOFTWARE_ENCODING_DATAPATH:
provider = &hearing_aid_provider_instance_;
break;
default:
status = BluetoothAudioStatus::FAILURE;
}
if (provider == nullptr || !provider->isValid(sessionType)) {
provider = nullptr;
status = BluetoothAudioStatus::FAILURE;
LOG(ERROR) << __func__ << " - SessionType=" << toString(sessionType)
<< ", status=" << toString(status);
}
_hidl_cb(status, provider);
return Void();
}
Return<void> BluetoothAudioProvidersFactory::getProviderCapabilities(
const SessionType sessionType, getProviderCapabilities_cb _hidl_cb) {
hidl_vec<AudioCapabilities> audio_capabilities =
hidl_vec<AudioCapabilities>(0);
if (sessionType == SessionType::A2DP_HARDWARE_OFFLOAD_DATAPATH) {
std::vector<CodecCapabilities> db_codec_capabilities =
android::bluetooth::audio::GetOffloadCodecCapabilities(sessionType);
if (db_codec_capabilities.size()) {
audio_capabilities.resize(db_codec_capabilities.size());
for (std::size_t i = 0; i < db_codec_capabilities.size(); ++i) {
audio_capabilities[i].codecCapabilities(db_codec_capabilities[i]);
}
}
} else if (sessionType != SessionType::UNKNOWN) {
std::vector<PcmParameters> db_pcm_capabilities =
android::bluetooth::audio::GetSoftwarePcmCapabilities();
if (db_pcm_capabilities.size() == 1) {
audio_capabilities.resize(1);
audio_capabilities[0].pcmCapabilities(db_pcm_capabilities[0]);
}
}
LOG(INFO) << __func__ << " - SessionType=" << toString(sessionType)
<< " supports " << audio_capabilities.size() << " codecs";
_hidl_cb(audio_capabilities);
return Void();
}
IBluetoothAudioProvidersFactory* HIDL_FETCH_IBluetoothAudioProvidersFactory(
const char* /* name */) {
return new BluetoothAudioProvidersFactory();
}
} // namespace implementation
} // namespace V2_0
} // namespace audio
} // namespace bluetooth
} // namespace hardware
} // namespace android
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