mirror of
https://github.com/Evolution-X/hardware_interfaces
synced 2026-02-02 20:24:19 +00:00
e74b571711
This is intended to reduce memory footprint of the default HAL service. The inteface libraries were only used to retrieve interface descriptors and use generated code to register as service. This code was replaced with static code from HIDL transport library. Bug: 148115870 Test: check audio on devices Change-Id: Ie8713d513cfbde64120546ba0db1cf80fd366138 Merged-In: Ie8713d513cfbde64120546ba0db1cf80fd366138
116 lines
4.2 KiB
C++
116 lines
4.2 KiB
C++
/*
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* Copyright (C) 2016 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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*/
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#define LOG_TAG "audiohalservice"
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#include <string>
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#include <vector>
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#include <binder/ProcessState.h>
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#include <cutils/properties.h>
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#include <hidl/HidlTransportSupport.h>
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#include <hidl/LegacySupport.h>
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#include <hwbinder/ProcessState.h>
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using namespace android::hardware;
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using android::OK;
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using InterfacesList = std::vector<std::string>;
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/** Try to register the provided factories in the provided order.
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* If any registers successfully, do not register any other and return true.
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* If all fail, return false.
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*/
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template <class Iter>
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static bool registerPassthroughServiceImplementations(Iter first, Iter last) {
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for (; first != last; ++first) {
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if (registerPassthroughServiceImplementation(*first) == OK) {
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return true;
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}
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}
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return false;
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}
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int main(int /* argc */, char* /* argv */ []) {
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::android::ProcessState::initWithDriver("/dev/vndbinder");
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// start a threadpool for vndbinder interactions
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::android::ProcessState::self()->startThreadPool();
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const int32_t defaultValue = -1;
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int32_t value =
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property_get_int32("persist.vendor.audio.service.hwbinder.size_kbyte", defaultValue);
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if (value != defaultValue) {
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ALOGD("Configuring hwbinder with mmap size %d KBytes", value);
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ProcessState::initWithMmapSize(static_cast<size_t>(value) * 1024);
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}
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configureRpcThreadpool(16, true /*callerWillJoin*/);
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// Automatic formatting tries to compact the lines, making them less readable
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// clang-format off
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const std::vector<InterfacesList> mandatoryInterfaces = {
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{
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"Audio Core API",
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"android.hardware.audio@6.0::IDevicesFactory",
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"android.hardware.audio@5.0::IDevicesFactory",
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"android.hardware.audio@4.0::IDevicesFactory",
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"android.hardware.audio@2.0::IDevicesFactory"
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},
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{
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"Audio Effect API",
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"android.hardware.audio.effect@6.0::IEffectsFactory",
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"android.hardware.audio.effect@5.0::IEffectsFactory",
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"android.hardware.audio.effect@4.0::IEffectsFactory",
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"android.hardware.audio.effect@2.0::IEffectsFactory",
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}
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};
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const std::vector<InterfacesList> optionalInterfaces = {
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{
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"Soundtrigger API",
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"android.hardware.soundtrigger@2.3::ISoundTriggerHw",
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"android.hardware.soundtrigger@2.2::ISoundTriggerHw",
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"android.hardware.soundtrigger@2.1::ISoundTriggerHw",
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"android.hardware.soundtrigger@2.0::ISoundTriggerHw",
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},
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{
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"Bluetooth Audio API",
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"android.hardware.bluetooth.audio@2.0::IBluetoothAudioProvidersFactory"
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},
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// remove the old HIDL when Bluetooth Audio Hal V2 has offloading supported
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{
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"Bluetooth Audio Offload API",
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"android.hardware.bluetooth.a2dp@1.0::IBluetoothAudioOffload"
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}
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};
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// clang-format on
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for (const auto& listIter : mandatoryInterfaces) {
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auto iter = listIter.begin();
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const std::string& interfaceFamilyName = *iter++;
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LOG_ALWAYS_FATAL_IF(!registerPassthroughServiceImplementations(iter, listIter.end()),
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"Could not register %s", interfaceFamilyName.c_str());
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}
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for (const auto& listIter : optionalInterfaces) {
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auto iter = listIter.begin();
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const std::string& interfaceFamilyName = *iter++;
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ALOGW_IF(!registerPassthroughServiceImplementations(iter, listIter.end()),
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"Could not register %s", interfaceFamilyName.c_str());
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}
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joinRpcThreadpool();
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}
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