1 /* 2 * Copyright (C) 2015 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.camera.processing.memory; 18 19 import java.nio.ByteBuffer; 20 21 /** 22 * Resource pool for large, directly allocated byte buffers. The integer key 23 * represents the size of the bytebuffer. 24 */ 25 public final class ByteBufferDirectPool extends SimpleLruResourcePool<Integer, ByteBuffer> { 26 public ByteBufferDirectPool(int lruSize) { 27 super(lruSize); 28 } 29 30 @Override 31 protected ByteBuffer create(Integer bytes) { 32 return ByteBuffer.allocateDirect(bytes); 33 } 34 35 @Override 36 protected ByteBuffer recycle(Integer integer, ByteBuffer byteBuffer) { 37 // Reset byte buffer location and limits 38 byteBuffer.rewind(); 39 byteBuffer.limit(byteBuffer.capacity()); 40 return byteBuffer; 41 } 42 } 43
