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100 lines
3.1 KiB
100 lines
3.1 KiB
// Copyright (C) 2020 The Android Open Source Project
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "AudioProxyDevicesManagerImpl.h"
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#include <utils/Log.h>
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using ::android::OK;
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using ::android::status_t;
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using ::device::google::atv::audio_proxy::AUDIO_PROXY_CPP_VERSION::IBusDevice;
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namespace audio_proxy {
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namespace service {
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namespace {
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template<typename D>
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class BusDeviceVersionWrapper : public IBusDevice {
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public:
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explicit BusDeviceVersionWrapper(const sp<D>& device) : mDevice(device) {}
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~BusDeviceVersionWrapper() override = default;
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Return<void> openOutputStream(int32_t ioHandle, const DeviceAddress& device,
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const AudioConfig& config,
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hidl_bitfield<AudioOutputFlag> flags,
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const SourceMetadata& sourceMetadata,
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openOutputStream_cb _hidl_cb) override {
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return mDevice->openOutputStream(ioHandle, device, config, flags,
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sourceMetadata, std::move(_hidl_cb));
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}
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private:
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const sp<D> mDevice;
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};
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} // namespace
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AudioProxyDevicesManagerImpl::AudioProxyDevicesManagerImpl() {
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// We need to register the factory service when this is instantiated,
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// rather than when the first client registers in order to not break VTS.
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ensureDevicesFactory();
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}
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AudioProxyDevicesManagerImpl::~AudioProxyDevicesManagerImpl() = default;
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Return<bool> AudioProxyDevicesManagerImpl::registerDevice(
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const hidl_string& address,
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const sp<::device::google::atv::audio_proxy::CPP_VERSION::IBusDevice>&
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device) {
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if (address.empty() || !device) {
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return false;
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}
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sp<IBusDevice> busDevice = IBusDevice::castFrom(device);
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if (!busDevice) {
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ALOGW("Client registers lower version bus device at %s", address.c_str());
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busDevice = new BusDeviceVersionWrapper(device);
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}
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if (!mBusDeviceProvider.add(address, busDevice)) {
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ALOGE("Failed to register bus device with addr %s", address.c_str());
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return false;
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}
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if (!ensureDevicesFactory()) {
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ALOGE("Failed to register audio devices factory.");
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mBusDeviceProvider.removeAll();
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return false;
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}
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return true;
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}
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bool AudioProxyDevicesManagerImpl::ensureDevicesFactory() {
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sp<DevicesFactoryImpl> factory = mDevicesFactory.promote();
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if (factory) {
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return true;
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}
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factory = new DevicesFactoryImpl(mBusDeviceProvider);
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status_t status = factory->registerAsService("audio_proxy");
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if (status != OK) {
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return false;
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}
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mDevicesFactory = factory;
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return true;
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}
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} // namespace service
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} // namespace audio_proxy
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