97 lines
2.8 KiB
C++
97 lines
2.8 KiB
C++
/*
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* 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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*/
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#include <system/audio.h>
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#include <log/log.h>
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#include "device_factory.h"
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#include "primary_device.h"
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#include "debug.h"
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namespace android {
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namespace hardware {
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namespace audio {
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namespace CPP_VERSION {
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namespace implementation {
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using ::android::hardware::Void;
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#ifdef __LP64__
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#define LIB_PATH_PREFIX "vendor/lib64/hw/"
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#else
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#define LIB_PATH_PREFIX "vendor/lib/hw/"
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#endif
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#define QUOTE(x) #x
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#define STRINGIFY(x) QUOTE(x)
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DevicesFactory::DevicesFactory() {
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mLegacyLib.reset(dlopen(
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LIB_PATH_PREFIX "android.hardware.audio.legacy@" STRINGIFY(FILE_VERSION) "-impl.ranchu.so",
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RTLD_NOW));
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LOG_ALWAYS_FATAL_IF(!mLegacyLib);
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typedef IDevicesFactory *(*Func)(const char *);
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const auto func = reinterpret_cast<Func>(
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dlsym(mLegacyLib.get(), "HIDL_FETCH_IDevicesFactory"));
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LOG_ALWAYS_FATAL_IF(!func);
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mLegacyFactory.reset((*func)("default"));
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LOG_ALWAYS_FATAL_IF(!mLegacyFactory);
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}
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Return<void> DevicesFactory::openDevice(const hidl_string& device,
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openDevice_cb _hidl_cb) {
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if (device == AUDIO_HARDWARE_MODULE_ID_PRIMARY) {
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_hidl_cb(Result::OK, new PrimaryDevice);
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} else {
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mLegacyFactory->openDevice(device, _hidl_cb);
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}
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return Void();
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}
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Return<void> DevicesFactory::openPrimaryDevice(openPrimaryDevice_cb _hidl_cb) {
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_hidl_cb(Result::OK, new PrimaryDevice);
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return Void();
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}
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#if MAJOR_VERSION == 7 && MINOR_VERSION == 1
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Return<void> DevicesFactory::openDevice_7_1(const hidl_string& device, openDevice_7_1_cb _hidl_cb) {
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if (device == AUDIO_HARDWARE_MODULE_ID_PRIMARY) {
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auto primary = sp<PrimaryDevice>::make();
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auto getDeviceRet = primary->getDevice();
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if (getDeviceRet.isOk()) {
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_hidl_cb(Result::OK, getDeviceRet);
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} else {
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_hidl_cb(Result::NOT_INITIALIZED, nullptr);
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}
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} else {
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mLegacyFactory->openDevice_7_1(device, _hidl_cb);
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}
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return Void();
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}
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Return<void> DevicesFactory::openPrimaryDevice_7_1(openPrimaryDevice_7_1_cb _hidl_cb) {
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_hidl_cb(Result::OK, new PrimaryDevice);
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return Void();
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}
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#endif
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} // namespace implementation
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} // namespace CPP_VERSION
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} // namespace audio
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} // namespace hardware
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} // namespace android
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