1 /*
2  * Copyright 2021 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.extensions.internal.sessionprocessor;
18 
19 import org.jspecify.annotations.NonNull;
20 import org.jspecify.annotations.Nullable;
21 
22 import java.util.List;
23 
24 /**
25  * A config representing a {@link android.hardware.camera2.params.OutputConfiguration} where
26  * Surface will be created by the information in this config.
27  */
28 interface Camera2OutputConfig {
29     /**
30      * Gets the id of this output config. The id can be used to identify the stream in vendor
31      * implementations.
32      */
getId()33     int getId();
34 
35     /**
36      * Gets the surface group id. Vendor can use the surface group id to share memory between
37      * Surfaces.
38      */
getSurfaceGroupId()39     int getSurfaceGroupId();
40 
41     /**
42      * Gets the physical camera id. Returns null if not specified.
43      */
getPhysicalCameraId()44     @Nullable String getPhysicalCameraId();
45 
46     /**
47      * If non-empty, enable surface sharing and add the surfaces constructed by the returned
48      * Camera2OutputConfigs.
49      */
getSurfaceSharingOutputConfigs()50     @NonNull List<Camera2OutputConfig> getSurfaceSharingOutputConfigs();
51 }
52