Allocation.java

/*
 * 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.
 */
package androidx.media3.exoplayer.upstream;

import androidx.media3.common.util.UnstableApi;

/**
 * An allocation within a byte array.
 *
 * <p>The allocation's length is obtained by calling {@link
 * Allocator#getIndividualAllocationLength()} on the {@link Allocator} from which it was obtained.
 */
@UnstableApi
public final class Allocation {

  /**
   * The array containing the allocated space. The allocated space might not be at the start of the
   * array, and so {@link #offset} must be used when indexing into it.
   */
  public final byte[] data;

  /** The offset of the allocated space in {@link #data}. */
  public final int offset;

  /**
   * @param data The array containing the allocated space.
   * @param offset The offset of the allocated space in {@code data}.
   */
  public Allocation(byte[] data, int offset) {
    this.data = data;
    this.offset = offset;
  }
}