1 /*
2  * Copyright (C) 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 android.hardware.camera2;
18 
19 import android.hardware.camera2.ICameraInjectionSession;
20 
21 /**
22  * Binder interface used to call back the error state injected by the external camera,
23  * and camera service can be switched back to internal camera when binder signals process death.
24  *
25  * @hide
26  */
27 interface ICameraInjectionCallback
28 {
29     // Error codes for onInjectionError
30     // To indicate all invalid error codes
31     const int ERROR_INJECTION_INVALID_ERROR = -1;
32     // To indicate the camera injection session has encountered a fatal error, such as injection
33     // init failure, configure failure or injecting failure etc.
34     const int ERROR_INJECTION_SESSION = 0;
35     // To indicate the camera service has encountered a fatal error.
36     const int ERROR_INJECTION_SERVICE = 1;
37     // To indicate the injection camera does not support certain camera functions, such as
38     // unsupport stream format, no capture/record function or no multi-camera function etc.
39     // When this error occurs, the default processing is still in the inject state, and the app is
40     // notified to display an error message and a black screen.
41     const int ERROR_INJECTION_UNSUPPORTED = 2;
42 
onInjectionError(int errorCode)43     oneway void onInjectionError(int errorCode);
44 }
45