1 /*
2  * Copyright (C) 2019 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 androidx.camera.core;
18 
19 import android.media.ImageReader;
20 
21 import androidx.annotation.RestrictTo;
22 import androidx.camera.core.impl.ImageReaderProxy;
23 
24 import org.jspecify.annotations.NonNull;
25 
26 /**
27  * Different implementations of {@link ImageReaderProxy}.
28  *
29  */
30 @RestrictTo(RestrictTo.Scope.LIBRARY_GROUP)
31 public final class ImageReaderProxys {
32 
ImageReaderProxys()33     private ImageReaderProxys() {
34     }
35 
36     /**
37      * Creates an {@link ImageReaderProxy} which uses its own isolated {@link ImageReader}.
38      *
39      * @param width     of the reader
40      * @param height    of the reader
41      * @param format    of the reader
42      * @param maxImages of the reader
43      * @return new {@link ImageReaderProxy} instance
44      */
createIsolatedReader( int width, int height, int format, int maxImages)45     public static @NonNull ImageReaderProxy createIsolatedReader(
46             int width, int height, int format, int maxImages) {
47         ImageReader imageReader = ImageReader.newInstance(width, height, format, maxImages);
48         return new AndroidImageReaderProxy(imageReader);
49     }
50 }
51