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/*
* Copyright (C) 2020 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.
*/
#include <system/audio.h>
#include <log/log.h>
#include "device_factory.h"
#include "primary_device.h"
#include "debug.h"
namespace android {
namespace hardware {
namespace audio {
namespace V6_0 {
namespace implementation {
using ::android::hardware::Void;
#ifdef __LP64__
#define LIB_PATH_PREFIX "vendor/lib64/hw/"
#else
#define LIB_PATH_PREFIX "vendor/lib/hw/"
#endif
DevicesFactory::DevicesFactory() {
mLegacyLib.reset(dlopen(
LIB_PATH_PREFIX "android.hardware.audio@6.0-impl.so", RTLD_NOW));
LOG_ALWAYS_FATAL_IF(!mLegacyLib);
typedef IDevicesFactory *(*Func)(const char *);
const auto func = reinterpret_cast<Func>(
dlsym(mLegacyLib.get(), "HIDL_FETCH_IDevicesFactory"));
LOG_ALWAYS_FATAL_IF(!func);
mLegacyFactory.reset((*func)("default"));
LOG_ALWAYS_FATAL_IF(!mLegacyFactory);
}
Return<void> DevicesFactory::openDevice(const hidl_string& device,
openDevice_cb _hidl_cb) {
if (device == AUDIO_HARDWARE_MODULE_ID_PRIMARY)
_hidl_cb(Result::OK, new PrimaryDevice);
else {
mLegacyFactory->openDevice(device, _hidl_cb);
}
return Void();
}
Return<void> DevicesFactory::openPrimaryDevice(openPrimaryDevice_cb _hidl_cb) {
_hidl_cb(Result::OK, new PrimaryDevice);
return Void();
}
} // namespace implementation
} // namespace V6_0
} // namespace audio
} // namespace hardware
} // namespace android
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