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/*
* Copyright (C) 2016 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.
*/
#ifndef ANDROID_HARDWARE_MAPPING_H
#define ANDROID_HARDWARE_MAPPING_H
#include <android/hidl/memory/1.0/IMemory.h>
#include <hidl/HidlSupport.h>
namespace android {
namespace hardware {
/**
* Returns the IMemory instance corresponding to a hidl_memory object.
* If the shared memory cannot be fetched, this returns nullptr.
*
* Note, this method call is relatively expensive and does not cache conversions.
* It should only be done when initializing a buffer and not on every buffer read.
*/
sp<android::hidl::memory::V1_0::IMemory> mapMemory(const hidl_memory &memory);
} // namespace hardware
} // namespace android
#endif