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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 "BTAudioProviderA2dpOffload"
#include <android-base/logging.h>
#include <fmq/MessageQueue.h>
#include <hidl/MQDescriptor.h>
#include "A2dpOffloadAudioProvider.h"
#include "BluetoothAudioSessionReport.h"
#include "BluetoothAudioSupportedCodecsDB.h"
namespace android {
namespace hardware {
namespace bluetooth {
namespace audio {
namespace V2_0 {
namespace implementation {
using ::android::bluetooth::audio::BluetoothAudioSessionReport;
using ::android::hardware::kSynchronizedReadWrite;
using ::android::hardware::MessageQueue;
using ::android::hardware::Void;
using DataMQ = MessageQueue<uint8_t, kSynchronizedReadWrite>;
A2dpOffloadAudioProvider::A2dpOffloadAudioProvider()
: BluetoothAudioProvider() {
session_type_ = SessionType::A2DP_HARDWARE_OFFLOAD_DATAPATH;
}
bool A2dpOffloadAudioProvider::isValid(const SessionType& sessionType) {
return (sessionType == session_type_);
}
Return<void> A2dpOffloadAudioProvider::startSession(
const sp<IBluetoothAudioPort>& hostIf,
const AudioConfiguration& audioConfig, startSession_cb _hidl_cb) {
/**
* Initialize the audio platform if audioConfiguration is supported.
* Save the the IBluetoothAudioPort interface, so that it can be used
* later to send stream control commands to the HAL client, based on
* interaction with Audio framework.
*/
if (audioConfig.getDiscriminator() !=
AudioConfiguration::hidl_discriminator::codecConfig) {
LOG(WARNING) << __func__
<< " - Invalid Audio Configuration=" << toString(audioConfig);
_hidl_cb(BluetoothAudioStatus::UNSUPPORTED_CODEC_CONFIGURATION,
DataMQ::Descriptor());
return Void();
} else if (!android::bluetooth::audio::IsOffloadCodecConfigurationValid(
session_type_, audioConfig.codecConfig())) {
_hidl_cb(BluetoothAudioStatus::UNSUPPORTED_CODEC_CONFIGURATION,
DataMQ::Descriptor());
return Void();
}
return BluetoothAudioProvider::startSession(hostIf, audioConfig, _hidl_cb);
}
Return<void> A2dpOffloadAudioProvider::onSessionReady(
startSession_cb _hidl_cb) {
BluetoothAudioSessionReport::OnSessionStarted(session_type_, stack_iface_,
nullptr, audio_config_);
_hidl_cb(BluetoothAudioStatus::SUCCESS, DataMQ::Descriptor());
return Void();
}
} // namespace implementation
} // namespace V2_0
} // namespace audio
} // namespace bluetooth
} // namespace hardware
} // namespace android
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