ICameraDeviceUserWrapper.java revision ee46b5831c49e7249e53dc00a17b168a8bc46123 
1/*
2 * Copyright (C) 2016 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
17package android.hardware.camera2.impl;
18
19import static android.hardware.camera2.CameraAccessException.CAMERA_DISABLED;
20import static android.hardware.camera2.CameraAccessException.CAMERA_DISCONNECTED;
21import static android.hardware.camera2.CameraAccessException.CAMERA_IN_USE;
22import static android.hardware.camera2.CameraAccessException.CAMERA_ERROR;
23import static android.hardware.camera2.CameraAccessException.MAX_CAMERAS_IN_USE;
24import static android.hardware.camera2.CameraAccessException.CAMERA_DEPRECATED_HAL;
25
26import android.hardware.ICameraService;
27import android.hardware.camera2.CameraManager;
28import android.hardware.camera2.CameraAccessException;
29import android.hardware.camera2.CaptureRequest;
30import android.hardware.camera2.ICameraDeviceUser;
31import android.hardware.camera2.impl.CameraMetadataNative;
32import android.hardware.camera2.params.OutputConfiguration;
33import android.hardware.camera2.utils.SubmitInfo;
34import android.os.IBinder;
35import android.os.RemoteException;
36import android.view.Surface;
37
38/**
39 * A wrapper around ICameraDeviceUser.
40 *
41 * Mainly used to convert ServiceSpecificExceptions to the correct
42 * checked / unchecked exception.
43 *
44 * @hide
45 */
46public class ICameraDeviceUserWrapper {
47
48    private final ICameraDeviceUser mRemoteDevice;
49
50    public ICameraDeviceUserWrapper(ICameraDeviceUser remoteDevice) {
51        if (remoteDevice == null) {
52            throw new NullPointerException("Remote device may not be null");
53        }
54        mRemoteDevice = remoteDevice;
55    }
56
57    public void unlinkToDeath(IBinder.DeathRecipient recipient, int flags) {
58        mRemoteDevice.asBinder().unlinkToDeath(recipient, flags);
59    }
60
61    public void disconnect()  {
62        try {
63            mRemoteDevice.disconnect();
64        } catch (RemoteException t) {
65            // ignore binder errors for disconnect
66        }
67    }
68
69    public SubmitInfo submitRequest(CaptureRequest request, boolean streaming)
70            throws CameraAccessException  {
71        try {
72            return mRemoteDevice.submitRequest(request, streaming);
73        } catch (Throwable t) {
74            CameraManager.throwAsPublicException(t);
75            throw new UnsupportedOperationException("Unexpected exception", t);
76        }
77    }
78
79    public SubmitInfo submitRequestList(CaptureRequest[] requestList, boolean streaming)
80            throws CameraAccessException {
81        try {
82            return mRemoteDevice.submitRequestList(requestList, streaming);
83        } catch (Throwable t) {
84            CameraManager.throwAsPublicException(t);
85            throw new UnsupportedOperationException("Unexpected exception", t);
86        }
87    }
88
89    public long cancelRequest(int requestId) throws CameraAccessException {
90        try {
91            return mRemoteDevice.cancelRequest(requestId);
92        } catch (Throwable t) {
93            CameraManager.throwAsPublicException(t);
94            throw new UnsupportedOperationException("Unexpected exception", t);
95        }
96    }
97
98    public void beginConfigure() throws CameraAccessException {
99        try {
100            mRemoteDevice.beginConfigure();
101        } catch (Throwable t) {
102            CameraManager.throwAsPublicException(t);
103            throw new UnsupportedOperationException("Unexpected exception", t);
104        }
105    }
106
107    public void endConfigure(boolean isConstrainedHighSpeed) throws CameraAccessException {
108        try {
109            mRemoteDevice.endConfigure(isConstrainedHighSpeed);
110        } catch (Throwable t) {
111            CameraManager.throwAsPublicException(t);
112            throw new UnsupportedOperationException("Unexpected exception", t);
113        }
114    }
115
116    public void deleteStream(int streamId) throws CameraAccessException {
117        try {
118            mRemoteDevice.deleteStream(streamId);
119        } catch (Throwable t) {
120            CameraManager.throwAsPublicException(t);
121            throw new UnsupportedOperationException("Unexpected exception", t);
122        }
123    }
124
125    public int createStream(OutputConfiguration outputConfiguration)
126            throws CameraAccessException {
127        try {
128            return mRemoteDevice.createStream(outputConfiguration);
129        } catch (Throwable t) {
130            CameraManager.throwAsPublicException(t);
131            throw new UnsupportedOperationException("Unexpected exception", t);
132        }
133    }
134
135    public int createInputStream(int width, int height, int format) throws CameraAccessException {
136        try {
137            return mRemoteDevice.createInputStream(width, height, format);
138        } catch (Throwable t) {
139            CameraManager.throwAsPublicException(t);
140            throw new UnsupportedOperationException("Unexpected exception", t);
141        }
142    }
143
144    public Surface getInputSurface() throws CameraAccessException {
145        try {
146            return mRemoteDevice.getInputSurface();
147        } catch (Throwable t) {
148            CameraManager.throwAsPublicException(t);
149            throw new UnsupportedOperationException("Unexpected exception", t);
150        }
151    }
152
153    public CameraMetadataNative createDefaultRequest(int templateId) throws CameraAccessException {
154        try {
155            return mRemoteDevice.createDefaultRequest(templateId);
156        } catch (Throwable t) {
157            CameraManager.throwAsPublicException(t);
158            throw new UnsupportedOperationException("Unexpected exception", t);
159        }
160    }
161
162    public CameraMetadataNative getCameraInfo() throws CameraAccessException {
163        try {
164            return mRemoteDevice.getCameraInfo();
165        } catch (Throwable t) {
166            CameraManager.throwAsPublicException(t);
167            throw new UnsupportedOperationException("Unexpected exception", t);
168        }
169    }
170
171    public void waitUntilIdle() throws CameraAccessException {
172        try {
173            mRemoteDevice.waitUntilIdle();
174        } catch (Throwable t) {
175            CameraManager.throwAsPublicException(t);
176            throw new UnsupportedOperationException("Unexpected exception", t);
177        }
178    }
179
180    public long flush() throws CameraAccessException {
181        try {
182            return mRemoteDevice.flush();
183        } catch (Throwable t) {
184            CameraManager.throwAsPublicException(t);
185            throw new UnsupportedOperationException("Unexpected exception", t);
186        }
187    }
188
189    public void prepare(int streamId) throws CameraAccessException {
190        try {
191            mRemoteDevice.prepare(streamId);
192        } catch (Throwable t) {
193            CameraManager.throwAsPublicException(t);
194            throw new UnsupportedOperationException("Unexpected exception", t);
195        }
196    }
197
198    public void tearDown(int streamId) throws CameraAccessException {
199        try {
200            mRemoteDevice.tearDown(streamId);
201        } catch (Throwable t) {
202            CameraManager.throwAsPublicException(t);
203            throw new UnsupportedOperationException("Unexpected exception", t);
204        }
205    }
206
207    public void prepare2(int maxCount, int streamId) throws CameraAccessException {
208        try {
209            mRemoteDevice.prepare2(maxCount, streamId);
210        } catch (Throwable t) {
211            CameraManager.throwAsPublicException(t);
212            throw new UnsupportedOperationException("Unexpected exception", t);
213        }
214    }
215
216
217}
218