1 /* 2 * Copyright (C) 2013 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.annotation.NonNull; 20 import android.annotation.Nullable; 21 import android.annotation.IntDef; 22 import android.annotation.SystemApi; 23 import android.annotation.TestApi; 24 import static android.hardware.camera2.ICameraDeviceUser.NORMAL_MODE; 25 import static android.hardware.camera2.ICameraDeviceUser.CONSTRAINED_HIGH_SPEED_MODE; 26 import android.hardware.camera2.params.InputConfiguration; 27 import android.hardware.camera2.params.StreamConfigurationMap; 28 import android.hardware.camera2.params.OutputConfiguration; 29 import android.os.Handler; 30 import android.view.Surface; 31 32 import java.util.List; 33 import java.lang.annotation.Retention; 34 import java.lang.annotation.RetentionPolicy; 35 36 /** 37 * <p>The CameraDevice class is a representation of a single camera connected to an 38 * Android device, allowing for fine-grain control of image capture and 39 * post-processing at high frame rates.</p> 40 * 41 * <p>Your application must declare the 42 * {@link android.Manifest.permission#CAMERA Camera} permission in its manifest 43 * in order to access camera devices.</p> 44 * 45 * <p>A given camera device may provide support at one of two levels: limited or 46 * full. If a device only supports the limited level, then Camera2 exposes a 47 * feature set that is roughly equivalent to the older 48 * {@link android.hardware.Camera Camera} API, although with a cleaner and more 49 * efficient interface. Devices that implement the full level of support 50 * provide substantially improved capabilities over the older camera 51 * API. Applications that target the limited level devices will run unchanged on 52 * the full-level devices; if your application requires a full-level device for 53 * proper operation, declare the "android.hardware.camera.level.full" feature in your 54 * manifest.</p> 55 * 56 * @see CameraManager#openCamera 57 * @see android.Manifest.permission#CAMERA 58 */ 59 public abstract class CameraDevice implements AutoCloseable { 60 61 /** 62 * Create a request suitable for a camera preview window. Specifically, this 63 * means that high frame rate is given priority over the highest-quality 64 * post-processing. These requests would normally be used with the 65 * {@link CameraCaptureSession#setRepeatingRequest} method. 66 * This template is guaranteed to be supported on all camera devices. 67 * 68 * @see #createCaptureRequest 69 */ 70 public static final int TEMPLATE_PREVIEW = 1; 71 72 /** 73 * Create a request suitable for still image capture. Specifically, this 74 * means prioritizing image quality over frame rate. These requests would 75 * commonly be used with the {@link CameraCaptureSession#capture} method. 76 * This template is guaranteed to be supported on all camera devices except 77 * {@link CameraMetadata#REQUEST_AVAILABLE_CAPABILITIES_DEPTH_OUTPUT DEPTH_OUTPUT} devices 78 * that are not {@link CameraMetadata#REQUEST_AVAILABLE_CAPABILITIES_BACKWARD_COMPATIBLE 79 * BACKWARD_COMPATIBLE}. 80 * @see #createCaptureRequest 81 */ 82 public static final int TEMPLATE_STILL_CAPTURE = 2; 83 84 /** 85 * Create a request suitable for video recording. Specifically, this means 86 * that a stable frame rate is used, and post-processing is set for 87 * recording quality. These requests would commonly be used with the 88 * {@link CameraCaptureSession#setRepeatingRequest} method. 89 * This template is guaranteed to be supported on all camera devices except 90 * {@link CameraMetadata#REQUEST_AVAILABLE_CAPABILITIES_DEPTH_OUTPUT DEPTH_OUTPUT} devices 91 * that are not {@link CameraMetadata#REQUEST_AVAILABLE_CAPABILITIES_BACKWARD_COMPATIBLE 92 * BACKWARD_COMPATIBLE}. 93 * 94 * @see #createCaptureRequest 95 */ 96 public static final int TEMPLATE_RECORD = 3; 97 98 /** 99 * Create a request suitable for still image capture while recording 100 * video. Specifically, this means maximizing image quality without 101 * disrupting the ongoing recording. These requests would commonly be used 102 * with the {@link CameraCaptureSession#capture} method while a request based on 103 * {@link #TEMPLATE_RECORD} is is in use with {@link CameraCaptureSession#setRepeatingRequest}. 104 * This template is guaranteed to be supported on all camera devices except 105 * legacy devices ({@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL} 106 * {@code == }{@link CameraMetadata#INFO_SUPPORTED_HARDWARE_LEVEL_LEGACY LEGACY}) and 107 * {@link CameraMetadata#REQUEST_AVAILABLE_CAPABILITIES_DEPTH_OUTPUT DEPTH_OUTPUT} devices 108 * that are not {@link CameraMetadata#REQUEST_AVAILABLE_CAPABILITIES_BACKWARD_COMPATIBLE 109 * BACKWARD_COMPATIBLE}. 110 * 111 * @see #createCaptureRequest 112 */ 113 public static final int TEMPLATE_VIDEO_SNAPSHOT = 4; 114 115 /** 116 * Create a request suitable for zero shutter lag still capture. This means 117 * means maximizing image quality without compromising preview frame rate. 118 * AE/AWB/AF should be on auto mode. This is intended for application-operated ZSL. For 119 * device-operated ZSL, use {@link CaptureRequest#CONTROL_ENABLE_ZSL} if available. 120 * This template is guaranteed to be supported on camera devices that support the 121 * {@link CameraMetadata#REQUEST_AVAILABLE_CAPABILITIES_PRIVATE_REPROCESSING PRIVATE_REPROCESSING} 122 * capability or the 123 * {@link CameraMetadata#REQUEST_AVAILABLE_CAPABILITIES_YUV_REPROCESSING YUV_REPROCESSING} 124 * capability. 125 * 126 * @see #createCaptureRequest 127 * @see CaptureRequest#CONTROL_ENABLE_ZSL 128 */ 129 public static final int TEMPLATE_ZERO_SHUTTER_LAG = 5; 130 131 /** 132 * A basic template for direct application control of capture 133 * parameters. All automatic control is disabled (auto-exposure, auto-white 134 * balance, auto-focus), and post-processing parameters are set to preview 135 * quality. The manual capture parameters (exposure, sensitivity, and so on) 136 * are set to reasonable defaults, but should be overriden by the 137 * application depending on the intended use case. 138 * This template is guaranteed to be supported on camera devices that support the 139 * {@link CameraMetadata#REQUEST_AVAILABLE_CAPABILITIES_MANUAL_SENSOR MANUAL_SENSOR} 140 * capability. 141 * 142 * @see #createCaptureRequest 143 */ 144 public static final int TEMPLATE_MANUAL = 6; 145 146 /** @hide */ 147 @Retention(RetentionPolicy.SOURCE) 148 @IntDef(prefix = {"TEMPLATE_"}, value = 149 {TEMPLATE_PREVIEW, 150 TEMPLATE_STILL_CAPTURE, 151 TEMPLATE_RECORD, 152 TEMPLATE_VIDEO_SNAPSHOT, 153 TEMPLATE_ZERO_SHUTTER_LAG, 154 TEMPLATE_MANUAL }) 155 public @interface RequestTemplate {}; 156 157 /** 158 * Get the ID of this camera device. 159 * 160 * <p>This matches the ID given to {@link CameraManager#openCamera} to instantiate this 161 * this camera device.</p> 162 * 163 * <p>This ID can be used to query the camera device's {@link 164 * CameraCharacteristics fixed properties} with {@link 165 * CameraManager#getCameraCharacteristics}.</p> 166 * 167 * <p>This method can be called even if the device has been closed or has encountered 168 * a serious error.</p> 169 * 170 * @return the ID for this camera device 171 * 172 * @see CameraManager#getCameraCharacteristics 173 * @see CameraManager#getCameraIdList 174 */ 175 @NonNull 176 public abstract String getId(); 177 178 /** 179 * <p>Create a new camera capture session by providing the target output set of Surfaces to the 180 * camera device.</p> 181 * 182 * <p>The active capture session determines the set of potential output Surfaces for 183 * the camera device for each capture request. A given request may use all 184 * or only some of the outputs. Once the CameraCaptureSession is created, requests can be 185 * submitted with {@link CameraCaptureSession#capture capture}, 186 * {@link CameraCaptureSession#captureBurst captureBurst}, 187 * {@link CameraCaptureSession#setRepeatingRequest setRepeatingRequest}, or 188 * {@link CameraCaptureSession#setRepeatingBurst setRepeatingBurst}.</p> 189 * 190 * <p>Surfaces suitable for inclusion as a camera output can be created for 191 * various use cases and targets:</p> 192 * 193 * <ul> 194 * 195 * <li>For drawing to a {@link android.view.SurfaceView SurfaceView}: Once the SurfaceView's 196 * Surface is {@link android.view.SurfaceHolder.Callback#surfaceCreated created}, set the size 197 * of the Surface with {@link android.view.SurfaceHolder#setFixedSize} to be one of the sizes 198 * returned by {@link StreamConfigurationMap#getOutputSizes(Class) 199 * getOutputSizes(SurfaceHolder.class)} and then obtain the Surface by calling {@link 200 * android.view.SurfaceHolder#getSurface}. If the size is not set by the application, it will 201 * be rounded to the nearest supported size less than 1080p, by the camera device.</li> 202 * 203 * <li>For accessing through an OpenGL texture via a {@link android.graphics.SurfaceTexture 204 * SurfaceTexture}: Set the size of the SurfaceTexture with {@link 205 * android.graphics.SurfaceTexture#setDefaultBufferSize} to be one of the sizes returned by 206 * {@link StreamConfigurationMap#getOutputSizes(Class) getOutputSizes(SurfaceTexture.class)} 207 * before creating a Surface from the SurfaceTexture with {@link Surface#Surface}. If the size 208 * is not set by the application, it will be set to be the smallest supported size less than 209 * 1080p, by the camera device.</li> 210 * 211 * <li>For recording with {@link android.media.MediaCodec}: Call 212 * {@link android.media.MediaCodec#createInputSurface} after configuring 213 * the media codec to use one of the sizes returned by 214 * {@link StreamConfigurationMap#getOutputSizes(Class) getOutputSizes(MediaCodec.class)} 215 * </li> 216 * 217 * <li>For recording with {@link android.media.MediaRecorder}: Call 218 * {@link android.media.MediaRecorder#getSurface} after configuring the media recorder to use 219 * one of the sizes returned by 220 * {@link StreamConfigurationMap#getOutputSizes(Class) getOutputSizes(MediaRecorder.class)}, 221 * or configuring it to use one of the supported 222 * {@link android.media.CamcorderProfile CamcorderProfiles}.</li> 223 * 224 * <li>For efficient YUV processing with {@link android.renderscript}: 225 * Create a RenderScript 226 * {@link android.renderscript.Allocation Allocation} with a supported YUV 227 * type, the IO_INPUT flag, and one of the sizes returned by 228 * {@link StreamConfigurationMap#getOutputSizes(Class) getOutputSizes(Allocation.class)}, 229 * Then obtain the Surface with 230 * {@link android.renderscript.Allocation#getSurface}.</li> 231 * 232 * <li>For access to RAW, uncompressed YUV, or compressed JPEG data in the application: Create an 233 * {@link android.media.ImageReader} object with one of the supported output formats given by 234 * {@link StreamConfigurationMap#getOutputFormats()}, setting its size to one of the 235 * corresponding supported sizes by passing the chosen output format into 236 * {@link StreamConfigurationMap#getOutputSizes(int)}. Then obtain a 237 * {@link android.view.Surface} from it with {@link android.media.ImageReader#getSurface()}. 238 * If the ImageReader size is not set to a supported size, it will be rounded to a supported 239 * size less than 1080p by the camera device. 240 * </li> 241 * 242 * </ul> 243 * 244 * <p>The camera device will query each Surface's size and formats upon this 245 * call, so they must be set to a valid setting at this time.</p> 246 * 247 * <p>It can take several hundred milliseconds for the session's configuration to complete, 248 * since camera hardware may need to be powered on or reconfigured. Once the configuration is 249 * complete and the session is ready to actually capture data, the provided 250 * {@link CameraCaptureSession.StateCallback}'s 251 * {@link CameraCaptureSession.StateCallback#onConfigured} callback will be called.</p> 252 * 253 * <p>If a prior CameraCaptureSession already exists when this method is called, the previous 254 * session will no longer be able to accept new capture requests and will be closed. Any 255 * in-progress capture requests made on the prior session will be completed before it's closed. 256 * {@link CameraCaptureSession.StateCallback#onConfigured} for the new session may be invoked 257 * before {@link CameraCaptureSession.StateCallback#onClosed} is invoked for the prior 258 * session. Once the new session is {@link CameraCaptureSession.StateCallback#onConfigured 259 * configured}, it is able to start capturing its own requests. To minimize the transition time, 260 * the {@link CameraCaptureSession#abortCaptures} call can be used to discard the remaining 261 * requests for the prior capture session before a new one is created. Note that once the new 262 * session is created, the old one can no longer have its captures aborted.</p> 263 * 264 * <p>Using larger resolution outputs, or more outputs, can result in slower 265 * output rate from the device.</p> 266 * 267 * <p>Configuring a session with an empty or null list will close the current session, if 268 * any. This can be used to release the current session's target surfaces for another use.</p> 269 * 270 * <p>While any of the sizes from {@link StreamConfigurationMap#getOutputSizes} can be used when 271 * a single output stream is configured, a given camera device may not be able to support all 272 * combination of sizes, formats, and targets when multiple outputs are configured at once. The 273 * tables below list the maximum guaranteed resolutions for combinations of streams and targets, 274 * given the capabilities of the camera device.</p> 275 * 276 * <p>If an application tries to create a session using a set of targets that exceed the limits 277 * described in the below tables, one of three possibilities may occur. First, the session may 278 * be successfully created and work normally. Second, the session may be successfully created, 279 * but the camera device won't meet the frame rate guarantees as described in 280 * {@link StreamConfigurationMap#getOutputMinFrameDuration}. Or third, if the output set 281 * cannot be used at all, session creation will fail entirely, with 282 * {@link CameraCaptureSession.StateCallback#onConfigureFailed} being invoked.</p> 283 * 284 * <p>For the type column, {@code PRIV} refers to any target whose available sizes are found 285 * using {@link StreamConfigurationMap#getOutputSizes(Class)} with no direct application-visible 286 * format, {@code YUV} refers to a target Surface using the 287 * {@link android.graphics.ImageFormat#YUV_420_888} format, {@code JPEG} refers to the 288 * {@link android.graphics.ImageFormat#JPEG} format, and {@code RAW} refers to the 289 * {@link android.graphics.ImageFormat#RAW_SENSOR} format.</p> 290 * 291 * <p>For the maximum size column, {@code PREVIEW} refers to the best size match to the 292 * device's screen resolution, or to 1080p ({@code 1920x1080}), whichever is 293 * smaller. {@code RECORD} refers to the camera device's maximum supported recording resolution, 294 * as determined by {@link android.media.CamcorderProfile}. And {@code MAXIMUM} refers to the 295 * camera device's maximum output resolution for that format or target from 296 * {@link StreamConfigurationMap#getOutputSizes}.</p> 297 * 298 * <p>To use these tables, determine the number and the formats/targets of outputs needed, and 299 * find the row(s) of the table with those targets. The sizes indicate the maximum set of sizes 300 * that can be used; it is guaranteed that for those targets, the listed sizes and anything 301 * smaller from the list given by {@link StreamConfigurationMap#getOutputSizes} can be 302 * successfully used to create a session. For example, if a row indicates that a 8 megapixel 303 * (MP) YUV_420_888 output can be used together with a 2 MP {@code PRIV} output, then a session 304 * can be created with targets {@code [8 MP YUV, 2 MP PRIV]} or targets {@code [2 MP YUV, 2 MP 305 * PRIV]}; but a session with targets {@code [8 MP YUV, 4 MP PRIV]}, targets {@code [4 MP YUV, 4 306 * MP PRIV]}, or targets {@code [8 MP PRIV, 2 MP YUV]} would not be guaranteed to work, unless 307 * some other row of the table lists such a combination.</p> 308 * 309 * <style scoped> 310 * #rb { border-right-width: thick; } 311 * </style> 312 * <p>Legacy devices ({@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL} 313 * {@code == }{@link CameraMetadata#INFO_SUPPORTED_HARDWARE_LEVEL_LEGACY LEGACY}) support at 314 * least the following stream combinations: 315 * 316 * <table> 317 * <tr><th colspan="7">LEGACY-level guaranteed configurations</th></tr> 318 * <tr> <th colspan="2" id="rb">Target 1</th> <th colspan="2" id="rb">Target 2</th> <th colspan="2" id="rb">Target 3</th> <th rowspan="2">Sample use case(s)</th> </tr> 319 * <tr> <th>Type</th><th id="rb">Max size</th> <th>Type</th><th id="rb">Max size</th> <th>Type</th><th id="rb">Max size</th></tr> 320 * <tr> <td>{@code PRIV}</td><td id="rb">{@code MAXIMUM}</td> <td colspan="2" id="rb"></td> <td colspan="2" id="rb"></td> <td>Simple preview, GPU video processing, or no-preview video recording.</td> </tr> 321 * <tr> <td>{@code JPEG}</td><td id="rb">{@code MAXIMUM}</td> <td colspan="2" id="rb"></td> <td colspan="2" id="rb"></td> <td>No-viewfinder still image capture.</td> </tr> 322 * <tr> <td>{@code YUV }</td><td id="rb">{@code MAXIMUM}</td> <td colspan="2" id="rb"></td> <td colspan="2" id="rb"></td> <td>In-application video/image processing.</td> </tr> 323 * <tr> <td>{@code PRIV}</td><td id="rb">{@code PREVIEW}</td> <td>{@code JPEG}</td><td id="rb">{@code MAXIMUM}</td> <td colspan="2" id="rb"></td> <td>Standard still imaging.</td> </tr> 324 * <tr> <td>{@code YUV }</td><td id="rb">{@code PREVIEW}</td> <td>{@code JPEG}</td><td id="rb">{@code MAXIMUM}</td> <td colspan="2" id="rb"></td> <td>In-app processing plus still capture.</td> </tr> 325 * <tr> <td>{@code PRIV}</td><td id="rb">{@code PREVIEW}</td> <td>{@code PRIV}</td><td id="rb">{@code PREVIEW}</td> <td colspan="2" id="rb"></td> <td>Standard recording.</td> </tr> 326 * <tr> <td>{@code PRIV}</td><td id="rb">{@code PREVIEW}</td> <td>{@code YUV }</td><td id="rb">{@code PREVIEW}</td> <td colspan="2" id="rb"></td> <td>Preview plus in-app processing.</td> </tr> 327 * <tr> <td>{@code PRIV}</td><td id="rb">{@code PREVIEW}</td> <td>{@code YUV }</td><td id="rb">{@code PREVIEW}</td> <td>{@code JPEG}</td><td id="rb">{@code MAXIMUM}</td> <td>Still capture plus in-app processing.</td> </tr> 328 * </table><br> 329 * </p> 330 * 331 * <p>Limited-level ({@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL} 332 * {@code == }{@link CameraMetadata#INFO_SUPPORTED_HARDWARE_LEVEL_LIMITED LIMITED}) devices 333 * support at least the following stream combinations in addition to those for 334 * {@link CameraMetadata#INFO_SUPPORTED_HARDWARE_LEVEL_LEGACY LEGACY} devices: 335 * 336 * <table> 337 * <tr><th colspan="7">LIMITED-level additional guaranteed configurations</th></tr> 338 * <tr><th colspan="2" id="rb">Target 1</th><th colspan="2" id="rb">Target 2</th><th colspan="2" id="rb">Target 3</th> <th rowspan="2">Sample use case(s)</th> </tr> 339 * <tr><th>Type</th><th id="rb">Max size</th><th>Type</th><th id="rb">Max size</th><th>Type</th><th id="rb">Max size</th></tr> 340 * <tr> <td>{@code PRIV}</td><td id="rb">{@code PREVIEW}</td> <td>{@code PRIV}</td><td id="rb">{@code RECORD }</td> <td colspan="2" id="rb"></td> <td>High-resolution video recording with preview.</td> </tr> 341 * <tr> <td>{@code PRIV}</td><td id="rb">{@code PREVIEW}</td> <td>{@code YUV }</td><td id="rb">{@code RECORD }</td> <td colspan="2" id="rb"></td> <td>High-resolution in-app video processing with preview.</td> </tr> 342 * <tr> <td>{@code YUV }</td><td id="rb">{@code PREVIEW}</td> <td>{@code YUV }</td><td id="rb">{@code RECORD }</td> <td colspan="2" id="rb"></td> <td>Two-input in-app video processing.</td> </tr> 343 * <tr> <td>{@code PRIV}</td><td id="rb">{@code PREVIEW}</td> <td>{@code PRIV}</td><td id="rb">{@code RECORD }</td> <td>{@code JPEG}</td><td id="rb">{@code RECORD }</td> <td>High-resolution recording with video snapshot.</td> </tr> 344 * <tr> <td>{@code PRIV}</td><td id="rb">{@code PREVIEW}</td> <td>{@code YUV }</td><td id="rb">{@code RECORD }</td> <td>{@code JPEG}</td><td id="rb">{@code RECORD }</td> <td>High-resolution in-app processing with video snapshot.</td> </tr> 345 * <tr> <td>{@code YUV }</td><td id="rb">{@code PREVIEW}</td> <td>{@code YUV }</td><td id="rb">{@code PREVIEW}</td> <td>{@code JPEG}</td><td id="rb">{@code MAXIMUM}</td> <td>Two-input in-app processing with still capture.</td> </tr> 346 * </table><br> 347 * </p> 348 * 349 * <p>FULL-level ({@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL} 350 * {@code == }{@link CameraMetadata#INFO_SUPPORTED_HARDWARE_LEVEL_FULL FULL}) devices 351 * support at least the following stream combinations in addition to those for 352 * {@link CameraMetadata#INFO_SUPPORTED_HARDWARE_LEVEL_LIMITED LIMITED} devices: 353 * 354 * <table> 355 * <tr><th colspan="7">FULL-level additional guaranteed configurations</th></tr> 356 * <tr><th colspan="2" id="rb">Target 1</th><th colspan="2" id="rb">Target 2</th><th colspan="2" id="rb">Target 3</th> <th rowspan="2">Sample use case(s)</th> </tr> 357 * <tr><th>Type</th><th id="rb">Max size</th><th>Type</th><th id="rb">Max size</th><th>Type</th><th id="rb">Max size</th> </tr> 358 * <tr> <td>{@code PRIV}</td><td id="rb">{@code PREVIEW}</td> <td>{@code PRIV}</td><td id="rb">{@code MAXIMUM}</td> <td colspan="2" id="rb"></td> <td>Maximum-resolution GPU processing with preview.</td> </tr> 359 * <tr> <td>{@code PRIV}</td><td id="rb">{@code PREVIEW}</td> <td>{@code YUV }</td><td id="rb">{@code MAXIMUM}</td> <td colspan="2" id="rb"></td> <td>Maximum-resolution in-app processing with preview.</td> </tr> 360 * <tr> <td>{@code YUV }</td><td id="rb">{@code PREVIEW}</td> <td>{@code YUV }</td><td id="rb">{@code MAXIMUM}</td> <td colspan="2" id="rb"></td> <td>Maximum-resolution two-input in-app processsing.</td> </tr> 361 * <tr> <td>{@code PRIV}</td><td id="rb">{@code PREVIEW}</td> <td>{@code PRIV}</td><td id="rb">{@code PREVIEW}</td> <td>{@code JPEG}</td><td id="rb">{@code MAXIMUM}</td> <td>Video recording with maximum-size video snapshot</td> </tr> 362 * <tr> <td>{@code YUV }</td><td id="rb">{@code 640x480}</td> <td>{@code PRIV}</td><td id="rb">{@code PREVIEW}</td> <td>{@code YUV }</td><td id="rb">{@code MAXIMUM}</td> <td>Standard video recording plus maximum-resolution in-app processing.</td> </tr> 363 * <tr> <td>{@code YUV }</td><td id="rb">{@code 640x480}</td> <td>{@code YUV }</td><td id="rb">{@code PREVIEW}</td> <td>{@code YUV }</td><td id="rb">{@code MAXIMUM}</td> <td>Preview plus two-input maximum-resolution in-app processing.</td> </tr> 364 * </table><br> 365 * </p> 366 * 367 * <p>RAW-capability ({@link CameraCharacteristics#REQUEST_AVAILABLE_CAPABILITIES} includes 368 * {@link CameraMetadata#REQUEST_AVAILABLE_CAPABILITIES_RAW RAW}) devices additionally support 369 * at least the following stream combinations on both 370 * {@link CameraMetadata#INFO_SUPPORTED_HARDWARE_LEVEL_FULL FULL} and 371 * {@link CameraMetadata#INFO_SUPPORTED_HARDWARE_LEVEL_LIMITED LIMITED} devices: 372 * 373 * <table> 374 * <tr><th colspan="7">RAW-capability additional guaranteed configurations</th></tr> 375 * <tr><th colspan="2" id="rb">Target 1</th><th colspan="2" id="rb">Target 2</th><th colspan="2" id="rb">Target 3</th> <th rowspan="2">Sample use case(s)</th> </tr> 376 * <tr><th>Type</th><th id="rb">Max size</th><th>Type</th><th id="rb">Max size</th><th>Type</th><th id="rb">Max size</th> </tr> 377 * <tr> <td>{@code RAW }</td><td id="rb">{@code MAXIMUM}</td> <td colspan="2" id="rb"></td> <td colspan="2" id="rb"></td> <td>No-preview DNG capture.</td> </tr> 378 * <tr> <td>{@code PRIV}</td><td id="rb">{@code PREVIEW}</td> <td>{@code RAW }</td><td id="rb">{@code MAXIMUM}</td> <td colspan="2" id="rb"></td> <td>Standard DNG capture.</td> </tr> 379 * <tr> <td>{@code YUV }</td><td id="rb">{@code PREVIEW}</td> <td>{@code RAW }</td><td id="rb">{@code MAXIMUM}</td> <td colspan="2" id="rb"></td> <td>In-app processing plus DNG capture.</td> </tr> 380 * <tr> <td>{@code PRIV}</td><td id="rb">{@code PREVIEW}</td> <td>{@code PRIV}</td><td id="rb">{@code PREVIEW}</td> <td>{@code RAW }</td><td id="rb">{@code MAXIMUM}</td> <td>Video recording with DNG capture.</td> </tr> 381 * <tr> <td>{@code PRIV}</td><td id="rb">{@code PREVIEW}</td> <td>{@code YUV }</td><td id="rb">{@code PREVIEW}</td> <td>{@code RAW }</td><td id="rb">{@code MAXIMUM}</td> <td>Preview with in-app processing and DNG capture.</td> </tr> 382 * <tr> <td>{@code YUV }</td><td id="rb">{@code PREVIEW}</td> <td>{@code YUV }</td><td id="rb">{@code PREVIEW}</td> <td>{@code RAW }</td><td id="rb">{@code MAXIMUM}</td> <td>Two-input in-app processing plus DNG capture.</td> </tr> 383 * <tr> <td>{@code PRIV}</td><td id="rb">{@code PREVIEW}</td> <td>{@code JPEG}</td><td id="rb">{@code MAXIMUM}</td> <td>{@code RAW }</td><td id="rb">{@code MAXIMUM}</td> <td>Still capture with simultaneous JPEG and DNG.</td> </tr> 384 * <tr> <td>{@code YUV }</td><td id="rb">{@code PREVIEW}</td> <td>{@code JPEG}</td><td id="rb">{@code MAXIMUM}</td> <td>{@code RAW }</td><td id="rb">{@code MAXIMUM}</td> <td>In-app processing with simultaneous JPEG and DNG.</td> </tr> 385 * </table><br> 386 * </p> 387 * 388 * <p>BURST-capability ({@link CameraCharacteristics#REQUEST_AVAILABLE_CAPABILITIES} includes 389 * {@link CameraMetadata#REQUEST_AVAILABLE_CAPABILITIES_BURST_CAPTURE BURST_CAPTURE}) devices 390 * support at least the below stream combinations in addition to those for 391 * {@link CameraMetadata#INFO_SUPPORTED_HARDWARE_LEVEL_LIMITED LIMITED} devices. Note that all 392 * FULL-level devices support the BURST capability, and the below list is a strict subset of the 393 * list for FULL-level devices, so this table is only relevant for LIMITED-level devices that 394 * support the BURST_CAPTURE capability. 395 * 396 * <table> 397 * <tr><th colspan="5">BURST-capability additional guaranteed configurations</th></tr> 398 * <tr><th colspan="2" id="rb">Target 1</th><th colspan="2" id="rb">Target 2</th><th rowspan="2">Sample use case(s)</th> </tr> 399 * <tr><th>Type</th><th id="rb">Max size</th><th>Type</th><th id="rb">Max size</th> </tr> 400 * <tr> <td>{@code PRIV}</td><td id="rb">{@code PREVIEW}</td> <td>{@code PRIV}</td><td id="rb">{@code MAXIMUM}</td> <td>Maximum-resolution GPU processing with preview.</td> </tr> 401 * <tr> <td>{@code PRIV}</td><td id="rb">{@code PREVIEW}</td> <td>{@code YUV }</td><td id="rb">{@code MAXIMUM}</td> <td>Maximum-resolution in-app processing with preview.</td> </tr> 402 * <tr> <td>{@code YUV }</td><td id="rb">{@code PREVIEW}</td> <td>{@code YUV }</td><td id="rb">{@code MAXIMUM}</td> <td>Maximum-resolution two-input in-app processsing.</td> </tr> 403 * </table><br> 404 * </p> 405 * 406 * <p>LEVEL-3 ({@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL} 407 * {@code == }{@link CameraMetadata#INFO_SUPPORTED_HARDWARE_LEVEL_3 LEVEL_3}) 408 * support at least the following stream combinations in addition to the combinations for 409 * {@link CameraMetadata#INFO_SUPPORTED_HARDWARE_LEVEL_FULL FULL} and for 410 * RAW capability ({@link CameraCharacteristics#REQUEST_AVAILABLE_CAPABILITIES} includes 411 * {@link CameraMetadata#REQUEST_AVAILABLE_CAPABILITIES_RAW RAW}): 412 * 413 * <table> 414 * <tr><th colspan="11">LEVEL-3 additional guaranteed configurations</th></tr> 415 * <tr><th colspan="2" id="rb">Target 1</th><th colspan="2" id="rb">Target 2</th><th colspan="2" id="rb">Target 3</th><th colspan="2" id="rb">Target 4</th><th rowspan="2">Sample use case(s)</th> </tr> 416 * <tr><th>Type</th><th id="rb">Max size</th><th>Type</th><th id="rb">Max size</th><th>Type</th><th id="rb">Max size</th><th>Type</th><th id="rb">Max size</th> </tr> 417 * <tr> <td>{@code PRIV}</td><td id="rb">{@code PREVIEW}</td> <td>{@code PRIV}</td><td id="rb">{@code 640x480}</td> <td>{@code YUV}</td><td id="rb">{@code MAXIMUM}</td> <td>{@code RAW}</td><td id="rb">{@code MAXIMUM}</td> <td>In-app viewfinder analysis with dynamic selection of output format.</td> </tr> 418 * <tr> <td>{@code PRIV}</td><td id="rb">{@code PREVIEW}</td> <td>{@code PRIV}</td><td id="rb">{@code 640x480}</td> <td>{@code JPEG}</td><td id="rb">{@code MAXIMUM}</td> <td>{@code RAW}</td><td id="rb">{@code MAXIMUM}</td> <td>In-app viewfinder analysis with dynamic selection of output format.</td> </tr> 419 * </table><br> 420 * </p> 421 * 422 * <p>Since the capabilities of camera devices vary greatly, a given camera device may support 423 * target combinations with sizes outside of these guarantees, but this can only be tested for 424 * by attempting to create a session with such targets.</p> 425 * 426 * @param outputs The new set of Surfaces that should be made available as 427 * targets for captured image data. 428 * @param callback The callback to notify about the status of the new capture session. 429 * @param handler The handler on which the callback should be invoked, or {@code null} to use 430 * the current thread's {@link android.os.Looper looper}. 431 * 432 * @throws IllegalArgumentException if the set of output Surfaces do not meet the requirements, 433 * the callback is null, or the handler is null but the current 434 * thread has no looper. 435 * @throws CameraAccessException if the camera device is no longer connected or has 436 * encountered a fatal error 437 * @throws IllegalStateException if the camera device has been closed 438 * 439 * @see CameraCaptureSession 440 * @see StreamConfigurationMap#getOutputFormats() 441 * @see StreamConfigurationMap#getOutputSizes(int) 442 * @see StreamConfigurationMap#getOutputSizes(Class) 443 */ 444 public abstract void createCaptureSession(@NonNull List<Surface> outputs, 445 @NonNull CameraCaptureSession.StateCallback callback, @Nullable Handler handler) 446 throws CameraAccessException; 447 448 /** 449 * <p>Create a new camera capture session by providing the target output set of Surfaces and 450 * its corresponding surface configuration to the camera device.</p> 451 * 452 * @see #createCaptureSession 453 * @see OutputConfiguration 454 */ 455 public abstract void createCaptureSessionByOutputConfigurations( 456 List<OutputConfiguration> outputConfigurations, 457 CameraCaptureSession.StateCallback callback, @Nullable Handler handler) 458 throws CameraAccessException; 459 /** 460 * Create a new reprocessable camera capture session by providing the desired reprocessing 461 * input Surface configuration and the target output set of Surfaces to the camera device. 462 * 463 * <p>If a camera device supports YUV reprocessing 464 * ({@link CameraCharacteristics#REQUEST_AVAILABLE_CAPABILITIES_YUV_REPROCESSING}) or PRIVATE 465 * reprocessing 466 * ({@link CameraCharacteristics#REQUEST_AVAILABLE_CAPABILITIES_PRIVATE_REPROCESSING}), besides 467 * the capture session created via {@link #createCaptureSession createCaptureSession}, the 468 * application can also create a reprocessable capture session to submit reprocess capture 469 * requests in addition to regular capture requests. A reprocess capture request takes the next 470 * available buffer from the session's input Surface, and sends it through the camera device's 471 * processing pipeline again, to produce buffers for the request's target output Surfaces. No 472 * new image data is captured for a reprocess request. However the input buffer provided by 473 * the application must be captured previously by the same camera device in the same session 474 * directly (e.g. for Zero-Shutter-Lag use case) or indirectly (e.g. combining multiple output 475 * images).</p> 476 * 477 * <p>The active reprocessable capture session determines an input {@link Surface} and the set 478 * of potential output Surfaces for the camera devices for each capture request. The application 479 * can use {@link #createCaptureRequest createCaptureRequest} to create regular capture requests 480 * to capture new images from the camera device, and use {@link #createReprocessCaptureRequest 481 * createReprocessCaptureRequest} to create reprocess capture requests to process buffers from 482 * the input {@link Surface}. Some combinations of output Surfaces in a session may not be used 483 * in a request simultaneously. The guaranteed combinations of output Surfaces that can be used 484 * in a request simultaneously are listed in the tables under {@link #createCaptureSession 485 * createCaptureSession}. All the output Surfaces in one capture request will come from the 486 * same source, either from a new capture by the camera device, or from the input Surface 487 * depending on if the request is a reprocess capture request.</p> 488 * 489 * <p>Input formats and sizes supported by the camera device can be queried via 490 * {@link StreamConfigurationMap#getInputFormats} and 491 * {@link StreamConfigurationMap#getInputSizes}. For each supported input format, the camera 492 * device supports a set of output formats and sizes for reprocessing that can be queried via 493 * {@link StreamConfigurationMap#getValidOutputFormatsForInput} and 494 * {@link StreamConfigurationMap#getOutputSizes}. While output Surfaces with formats that 495 * aren't valid reprocess output targets for the input configuration can be part of a session, 496 * they cannot be used as targets for a reprocessing request.</p> 497 * 498 * <p>Since the application cannot access {@link android.graphics.ImageFormat#PRIVATE} images 499 * directly, an output Surface created by {@link android.media.ImageReader#newInstance} with 500 * {@link android.graphics.ImageFormat#PRIVATE} as the format will be considered as intended to 501 * be used for reprocessing input and thus the {@link android.media.ImageReader} size must 502 * match one of the supported input sizes for {@link android.graphics.ImageFormat#PRIVATE} 503 * format. Otherwise, creating a reprocessable capture session will fail.</p> 504 * 505 * <p>The guaranteed stream configurations listed in 506 * {@link #createCaptureSession createCaptureSession} are also guaranteed to work for 507 * {@link #createReprocessableCaptureSession createReprocessableCaptureSession}. In addition, 508 * the configurations in the tables below are also guaranteed for creating a reprocessable 509 * capture session if the camera device supports YUV reprocessing or PRIVATE reprocessing. 510 * However, not all output targets used to create a reprocessable session may be used in a 511 * {@link CaptureRequest} simultaneously. For devices that support only 1 output target in a 512 * reprocess {@link CaptureRequest}, submitting a reprocess {@link CaptureRequest} with multiple 513 * output targets will result in a {@link CaptureFailure}. For devices that support multiple 514 * output targets in a reprocess {@link CaptureRequest}, the guaranteed output targets that can 515 * be included in a {@link CaptureRequest} simultaneously are listed in the tables under 516 * {@link #createCaptureSession createCaptureSession}. For example, with a FULL-capability 517 * ({@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL} {@code == } 518 * {@link CameraMetadata#INFO_SUPPORTED_HARDWARE_LEVEL_FULL FULL}) device that supports PRIVATE 519 * reprocessing, an application can create a reprocessable capture session with 1 input, 520 * ({@code PRIV}, {@code MAXIMUM}), and 3 outputs, ({@code PRIV}, {@code MAXIMUM}), 521 * ({@code PRIV}, {@code PREVIEW}), and ({@code YUV}, {@code MAXIMUM}). However, it's not 522 * guaranteed that an application can submit a regular or reprocess capture with ({@code PRIV}, 523 * {@code MAXIMUM}) and ({@code YUV}, {@code MAXIMUM}) outputs based on the table listed under 524 * {@link #createCaptureSession createCaptureSession}. In other words, use the tables below to 525 * determine the guaranteed stream configurations for creating a reprocessable capture session, 526 * and use the tables under {@link #createCaptureSession createCaptureSession} to determine the 527 * guaranteed output targets that can be submitted in a regular or reprocess 528 * {@link CaptureRequest} simultaneously.</p> 529 * 530 * <style scoped> 531 * #rb { border-right-width: thick; } 532 * </style> 533 * 534 * <p>LIMITED-level ({@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL} 535 * {@code == }{@link CameraMetadata#INFO_SUPPORTED_HARDWARE_LEVEL_LIMITED LIMITED}) devices 536 * support at least the following stream combinations for creating a reprocessable capture 537 * session in addition to those listed in {@link #createCaptureSession createCaptureSession} for 538 * {@link CameraMetadata#INFO_SUPPORTED_HARDWARE_LEVEL_LIMITED LIMITED} devices: 539 * 540 * <table> 541 * <tr><th colspan="11">LIMITED-level additional guaranteed configurations for creating a reprocessable capture session<br>({@code PRIV} input is guaranteed only if PRIVATE reprocessing is supported. {@code YUV} input is guaranteed only if YUV reprocessing is supported)</th></tr> 542 * <tr><th colspan="2" id="rb">Input</th><th colspan="2" id="rb">Target 1</th><th colspan="2" id="rb">Target 2</th><th colspan="2" id="rb">Target 3</th><th colspan="2" id="rb">Target 4</th><th rowspan="2">Sample use case(s)</th> </tr> 543 * <tr><th>Type</th><th id="rb">Max size</th><th>Type</th><th id="rb">Max size</th><th>Type</th><th id="rb">Max size</th><th>Type</th><th id="rb">Max size</th><th>Type</th><th id="rb">Max size</th></tr> 544 * <tr> <td>{@code PRIV}/{@code YUV}</td><td id="rb">{@code MAXIMUM}</td> <td>Same as input</td><td id="rb">{@code MAXIMUM}</td> <td>{@code JPEG}</td><td id="rb">{@code MAXIMUM}</td> <td></td><td id="rb"></td> <td></td><td id="rb"></td> <td>No-viewfinder still image reprocessing.</td> </tr> 545 * <tr> <td>{@code PRIV}/{@code YUV}</td><td id="rb">{@code MAXIMUM}</td> <td>Same as input</td><td id="rb">{@code MAXIMUM}</td> <td>{@code PRIV}</td><td id="rb">{@code PREVIEW}</td> <td>{@code JPEG}</td><td id="rb">{@code MAXIMUM}</td> <td></td><td id="rb"></td> <td>ZSL(Zero-Shutter-Lag) still imaging.</td> </tr> 546 * <tr> <td>{@code PRIV}/{@code YUV}</td><td id="rb">{@code MAXIMUM}</td> <td>Same as input</td><td id="rb">{@code MAXIMUM}</td> <td>{@code YUV}</td><td id="rb">{@code PREVIEW}</td> <td>{@code JPEG}</td><td id="rb">{@code MAXIMUM}</td> <td></td><td id="rb"></td> <td>ZSL still and in-app processing imaging.</td> </tr> 547 * <tr> <td>{@code PRIV}/{@code YUV}</td><td id="rb">{@code MAXIMUM}</td> <td>Same as input</td><td id="rb">{@code MAXIMUM}</td> <td>{@code YUV}</td><td id="rb">{@code PREVIEW}</td> <td>{@code YUV}</td><td id="rb">{@code PREVIEW}</td> <td>{@code JPEG}</td><td id="rb">{@code MAXIMUM}</td> <td>ZSL in-app processing with still capture.</td> </tr> 548 * </table><br> 549 * </p> 550 * 551 * <p>FULL-level ({@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL} 552 * {@code == }{@link CameraMetadata#INFO_SUPPORTED_HARDWARE_LEVEL_FULL FULL}) devices 553 * support at least the following stream combinations for creating a reprocessable capture 554 * session in addition to those for 555 * {@link CameraMetadata#INFO_SUPPORTED_HARDWARE_LEVEL_LIMITED LIMITED} devices: 556 * 557 * <table> 558 * <tr><th colspan="11">FULL-level additional guaranteed configurations for creating a reprocessable capture session<br>({@code PRIV} input is guaranteed only if PRIVATE reprocessing is supported. {@code YUV} input is guaranteed only if YUV reprocessing is supported)</th></tr> 559 * <tr><th colspan="2" id="rb">Input</th><th colspan="2" id="rb">Target 1</th><th colspan="2" id="rb">Target 2</th><th colspan="2" id="rb">Target 3</th><th colspan="2" id="rb">Target 4</th><th rowspan="2">Sample use case(s)</th> </tr> 560 * <tr><th>Type</th><th id="rb">Max size</th><th>Type</th><th id="rb">Max size</th><th>Type</th><th id="rb">Max size</th><th>Type</th><th id="rb">Max size</th><th>Type</th><th id="rb">Max size</th></tr> 561 * <tr> <td>{@code YUV}</td><td id="rb">{@code MAXIMUM}</td> <td>{@code YUV}</td><td id="rb">{@code MAXIMUM}</td> <td>{@code PRIV}</td><td id="rb">{@code PREVIEW}</td> <td></td><td id="rb"></td> <td></td><td id="rb"></td> <td>Maximum-resolution multi-frame image fusion in-app processing with regular preview.</td> </tr> 562 * <tr> <td>{@code YUV}</td><td id="rb">{@code MAXIMUM}</td> <td>{@code YUV}</td><td id="rb">{@code MAXIMUM}</td> <td>{@code YUV}</td><td id="rb">{@code PREVIEW}</td> <td></td><td id="rb"></td> <td></td><td id="rb"></td> <td>Maximum-resolution multi-frame image fusion two-input in-app processing.</td> </tr> 563 * <tr> <td>{@code PRIV}/{@code YUV}</td><td id="rb">{@code MAXIMUM}</td> <td>Same as input</td><td id="rb">{@code MAXIMUM}</td> <td>{@code PRIV}</td><td id="rb">{@code PREVIEW}</td> <td>{@code YUV}</td><td id="rb">{@code RECORD}</td> <td></td><td id="rb"></td> <td>High-resolution ZSL in-app video processing with regular preview.</td> </tr> 564 * <tr> <td>{@code PRIV}</td><td id="rb">{@code MAXIMUM}</td> <td>{@code PRIV}</td><td id="rb">{@code MAXIMUM}</td> <td>{@code PRIV}</td><td id="rb">{@code PREVIEW}</td> <td>{@code YUV}</td><td id="rb">{@code MAXIMUM}</td> <td></td><td id="rb"></td> <td>Maximum-resolution ZSL in-app processing with regular preview.</td> </tr> 565 * <tr> <td>{@code PRIV}</td><td id="rb">{@code MAXIMUM}</td> <td>{@code PRIV}</td><td id="rb">{@code MAXIMUM}</td> <td>{@code YUV}</td><td id="rb">{@code PREVIEW}</td> <td>{@code YUV}</td><td id="rb">{@code MAXIMUM}</td> <td></td><td id="rb"></td> <td>Maximum-resolution two-input ZSL in-app processing.</td> </tr> 566 * <tr> <td>{@code PRIV}/{@code YUV}</td><td id="rb">{@code MAXIMUM}</td> <td>Same as input</td><td id="rb">{@code MAXIMUM}</td> <td>{@code PRIV}</td><td id="rb">{@code PREVIEW}</td> <td>{@code YUV}</td><td id="rb">{@code PREVIEW}</td> <td>{@code JPEG}</td><td id="rb">{@code MAXIMUM}</td> <td>ZSL still capture and in-app processing.</td> </tr> 567 * </table><br> 568 * </p> 569 * 570 * <p>RAW-capability ({@link CameraCharacteristics#REQUEST_AVAILABLE_CAPABILITIES} includes 571 * {@link CameraMetadata#REQUEST_AVAILABLE_CAPABILITIES_RAW RAW}) devices additionally support 572 * at least the following stream combinations for creating a reprocessable capture session 573 * on both {@link CameraMetadata#INFO_SUPPORTED_HARDWARE_LEVEL_FULL FULL} and 574 * {@link CameraMetadata#INFO_SUPPORTED_HARDWARE_LEVEL_LIMITED LIMITED} devices 575 * 576 * <table> 577 * <tr><th colspan="11">RAW-capability additional guaranteed configurations for creating a reprocessable capture session<br>({@code PRIV} input is guaranteed only if PRIVATE reprocessing is supported. {@code YUV} input is guaranteed only if YUV reprocessing is supported)</th></tr> 578 * <tr><th colspan="2" id="rb">Input</th><th colspan="2" id="rb">Target 1</th><th colspan="2" id="rb">Target 2</th><th colspan="2" id="rb">Target 3</th><th colspan="2" id="rb">Target 4</th><th rowspan="2">Sample use case(s)</th> </tr> 579 * <tr><th>Type</th><th id="rb">Max size</th><th>Type</th><th id="rb">Max size</th><th>Type</th><th id="rb">Max size</th><th>Type</th><th id="rb">Max size</th><th>Type</th><th id="rb">Max size</th></tr> 580 * <tr> <td>{@code PRIV}/{@code YUV}</td><td id="rb">{@code MAXIMUM}</td> <td>Same as input</td><td id="rb">{@code MAXIMUM}</td> <td>{@code YUV}</td><td id="rb">{@code PREVIEW}</td> <td>{@code RAW}</td><td id="rb">{@code MAXIMUM}</td> <td></td><td id="rb"></td> <td>Mutually exclusive ZSL in-app processing and DNG capture.</td> </tr> 581 * <tr> <td>{@code PRIV}/{@code YUV}</td><td id="rb">{@code MAXIMUM}</td> <td>Same as input</td><td id="rb">{@code MAXIMUM}</td> <td>{@code PRIV}</td><td id="rb">{@code PREVIEW}</td> <td>{@code YUV}</td><td id="rb">{@code PREVIEW}</td> <td>{@code RAW}</td><td id="rb">{@code MAXIMUM}</td> <td>Mutually exclusive ZSL in-app processing and preview with DNG capture.</td> </tr> 582 * <tr> <td>{@code PRIV}/{@code YUV}</td><td id="rb">{@code MAXIMUM}</td> <td>Same as input</td><td id="rb">{@code MAXIMUM}</td> <td>{@code YUV}</td><td id="rb">{@code PREVIEW}</td> <td>{@code YUV}</td><td id="rb">{@code PREVIEW}</td> <td>{@code RAW}</td><td id="rb">{@code MAXIMUM}</td> <td>Mutually exclusive ZSL two-input in-app processing and DNG capture.</td> </tr> 583 * <tr> <td>{@code PRIV}/{@code YUV}</td><td id="rb">{@code MAXIMUM}</td> <td>Same as input</td><td id="rb">{@code MAXIMUM}</td> <td>{@code PRIV}</td><td id="rb">{@code PREVIEW}</td> <td>{@code JPEG}</td><td id="rb">{@code MAXIMUM}</td> <td>{@code RAW}</td><td id="rb">{@code MAXIMUM}</td> <td>Mutually exclusive ZSL still capture and preview with DNG capture.</td> </tr> 584 * <tr> <td>{@code PRIV}/{@code YUV}</td><td id="rb">{@code MAXIMUM}</td> <td>Same as input</td><td id="rb">{@code MAXIMUM}</td> <td>{@code YUV}</td><td id="rb">{@code PREVIEW}</td> <td>{@code JPEG}</td><td id="rb">{@code MAXIMUM}</td> <td>{@code RAW}</td><td id="rb">{@code MAXIMUM}</td> <td>Mutually exclusive ZSL in-app processing with still capture and DNG capture.</td> </tr> 585 * </table><br> 586 * </p> 587 * 588 * <p>LEVEL-3 ({@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL} 589 * {@code == }{@link CameraMetadata#INFO_SUPPORTED_HARDWARE_LEVEL_3 LEVEL_3}) devices 590 * support at least the following stream combinations for creating a reprocessable capture 591 * session in addition to those for 592 * {@link CameraMetadata#INFO_SUPPORTED_HARDWARE_LEVEL_FULL FULL} devices. Note that while 593 * the second configuration allows for configuring {@code MAXIMUM} {@code YUV} and {@code JPEG} 594 * outputs at the same time, that configuration is not listed for regular capture sessions, and 595 * therefore simultaneous output to both targets is not allowed. 596 * 597 * <table> 598 * <tr><th colspan="13">LEVEL-3 additional guaranteed configurations for creating a reprocessable capture session<br>({@code PRIV} input is guaranteed only if PRIVATE reprocessing is supported. {@code YUV} input is always guaranteed.</th></tr> 599 * <tr><th colspan="2" id="rb">Input</th><th colspan="2" id="rb">Target 1</th><th colspan="2" id="rb">Target 2</th><th colspan="2" id="rb">Target 3</th><th colspan="2" id="rb">Target 4</th><th colspan="2" id="rb">Target 5</th><th rowspan="2">Sample use case(s)</th> </tr> 600 * <tr><th>Type</th><th id="rb">Max size</th><th>Type</th><th id="rb">Max size</th><th>Type</th><th id="rb">Max size</th><th>Type</th><th id="rb">Max size</th><th>Type</th><th id="rb">Max size</th><th>Type</th><th id="rb">Max size</th></tr> 601 * <tr> <td>{@code YUV}</td><td id="rb">{@code MAXIMUM}</td> <td>{@code YUV}</td><td id="rb">{@code MAXIMUM}</td> <td>{@code PRIV}</td><td id="rb">{@code PREVIEW}</td> <td>{@code PRIV}</td><td id="rb">{@code 640x480}</td> <td>{@code RAW}</td><td id="rb">{@code MAXIMUM}</td> <td></td><td id="rb"></td> <td>In-app viewfinder analysis with ZSL and RAW.</td> </tr> 602 * <tr> <td>{@code PRIV}/{@code YUV}</td><td id="rb">{@code MAXIMUM}</td> <td>Same as input</td><td id="rb">{@code MAXIMUM}</td> <td>{@code PRIV}</td><td id="rb">{@code PREVIEW}</td> <td>{@code PRIV}</td><td id="rb">{@code 640x480}</td> <td>{@code RAW}</td><td id="rb">{@code MAXIMUM}</td> <td>{@code JPEG}</td><td id="rb">{@code MAXIMUM}</td><td>In-app viewfinder analysis with ZSL, RAW, and JPEG reprocessing output.</td> </tr> 603 * </table><br> 604 * </p> 605 * 606 * @param inputConfig The configuration for the input {@link Surface} 607 * @param outputs The new set of Surfaces that should be made available as 608 * targets for captured image data. 609 * @param callback The callback to notify about the status of the new capture session. 610 * @param handler The handler on which the callback should be invoked, or {@code null} to use 611 * the current thread's {@link android.os.Looper looper}. 612 * 613 * @throws IllegalArgumentException if the input configuration is null or not supported, the set 614 * of output Surfaces do not meet the requirements, the 615 * callback is null, or the handler is null but the current 616 * thread has no looper. 617 * @throws CameraAccessException if the camera device is no longer connected or has 618 * encountered a fatal error 619 * @throws IllegalStateException if the camera device has been closed 620 * 621 * @see #createCaptureSession 622 * @see CameraCaptureSession 623 * @see StreamConfigurationMap#getInputFormats 624 * @see StreamConfigurationMap#getInputSizes 625 * @see StreamConfigurationMap#getValidOutputFormatsForInput 626 * @see StreamConfigurationMap#getOutputSizes 627 * @see android.media.ImageWriter 628 * @see android.media.ImageReader 629 */ 630 public abstract void createReprocessableCaptureSession(@NonNull InputConfiguration inputConfig, 631 @NonNull List<Surface> outputs, @NonNull CameraCaptureSession.StateCallback callback, 632 @Nullable Handler handler) 633 throws CameraAccessException; 634 635 /** 636 * Create a new reprocessable camera capture session by providing the desired reprocessing 637 * input configuration and output {@link OutputConfiguration} 638 * to the camera device. 639 * 640 * @see #createReprocessableCaptureSession 641 * @see OutputConfiguration 642 * 643 */ 644 public abstract void createReprocessableCaptureSessionByConfigurations( 645 @NonNull InputConfiguration inputConfig, 646 @NonNull List<OutputConfiguration> outputs, 647 @NonNull CameraCaptureSession.StateCallback callback, 648 @Nullable Handler handler) 649 throws CameraAccessException; 650 651 /** 652 * <p>Create a new constrained high speed capture session.</p> 653 * 654 * <p>The application can use normal capture session (created via {@link #createCaptureSession}) 655 * for high speed capture if the desired high speed FPS ranges are advertised by 656 * {@link CameraCharacteristics#CONTROL_AE_AVAILABLE_TARGET_FPS_RANGES}, in which case all API 657 * semantics associated with normal capture sessions applies.</p> 658 * 659 * <p>The method creates a specialized capture session that is only targeted at high speed 660 * video recording (>=120fps) use case if the camera device supports high speed video 661 * capability (i.e., {@link CameraCharacteristics#REQUEST_AVAILABLE_CAPABILITIES} contains 662 * {@link CameraMetadata#REQUEST_AVAILABLE_CAPABILITIES_CONSTRAINED_HIGH_SPEED_VIDEO}). 663 * Therefore, it has special characteristics compared with a normal capture session:</p> 664 * 665 * <ul> 666 * 667 * <li>In addition to the output target Surface requirements specified by the 668 * {@link #createCaptureSession} method, an active high speed capture session will support up 669 * to 2 output Surfaces, though the application might choose to configure just one Surface 670 * (e.g., preview only). All Surfaces must be either video encoder surfaces (acquired by 671 * {@link android.media.MediaRecorder#getSurface} or 672 * {@link android.media.MediaCodec#createInputSurface}) or preview surfaces (obtained from 673 * {@link android.view.SurfaceView}, {@link android.graphics.SurfaceTexture} via 674 * {@link android.view.Surface#Surface(android.graphics.SurfaceTexture)}). The Surface sizes 675 * must be one of the sizes reported by {@link StreamConfigurationMap#getHighSpeedVideoSizes}. 676 * When multiple Surfaces are configured, their size must be same.</li> 677 * 678 * <li>An active high speed capture session only accepts request lists created via 679 * {@link CameraConstrainedHighSpeedCaptureSession#createHighSpeedRequestList}, and the 680 * request list can only be submitted to this session via 681 * {@link CameraCaptureSession#captureBurst captureBurst}, or 682 * {@link CameraCaptureSession#setRepeatingBurst setRepeatingBurst}.</li> 683 * 684 * <li>The FPS ranges being requested to this session must be selected from 685 * {@link StreamConfigurationMap#getHighSpeedVideoFpsRangesFor}. The application can still use 686 * {@link CaptureRequest#CONTROL_AE_TARGET_FPS_RANGE} to control the desired FPS range. 687 * Switching to an FPS range that has different 688 * {@link android.util.Range#getUpper() maximum FPS} may trigger some camera device 689 * reconfigurations, which may introduce extra latency. It is recommended that the 690 * application avoids unnecessary maximum target FPS changes as much as possible during high 691 * speed streaming.</li> 692 * 693 * <li>For the request lists submitted to this session, the camera device will override the 694 * {@link CaptureRequest#CONTROL_MODE control mode}, auto-exposure (AE), auto-white balance 695 * (AWB) and auto-focus (AF) to {@link CameraMetadata#CONTROL_MODE_AUTO}, 696 * {@link CameraMetadata#CONTROL_AE_MODE_ON}, {@link CameraMetadata#CONTROL_AWB_MODE_AUTO} 697 * and {@link CameraMetadata#CONTROL_AF_MODE_CONTINUOUS_VIDEO}, respectively. All 698 * post-processing block mode controls will be overridden to be FAST. Therefore, no manual 699 * control of capture and post-processing parameters is possible. Beside these, only a subset 700 * of controls will work, see 701 * {@link CameraMetadata#REQUEST_AVAILABLE_CAPABILITIES_CONSTRAINED_HIGH_SPEED_VIDEO} for 702 * more details.</li> 703 * 704 * </ul> 705 * 706 * @param outputs The new set of Surfaces that should be made available as 707 * targets for captured high speed image data. 708 * @param callback The callback to notify about the status of the new capture session. 709 * @param handler The handler on which the callback should be invoked, or {@code null} to use 710 * the current thread's {@link android.os.Looper looper}. 711 * 712 * @throws IllegalArgumentException if the set of output Surfaces do not meet the requirements, 713 * the callback is null, or the handler is null but the current 714 * thread has no looper, or the camera device doesn't support 715 * high speed video capability. 716 * @throws CameraAccessException if the camera device is no longer connected or has 717 * encountered a fatal error 718 * @throws IllegalStateException if the camera device has been closed 719 * 720 * @see #createCaptureSession 721 * @see CaptureRequest#CONTROL_AE_TARGET_FPS_RANGE 722 * @see StreamConfigurationMap#getHighSpeedVideoSizes 723 * @see StreamConfigurationMap#getHighSpeedVideoFpsRangesFor 724 * @see CameraCharacteristics#REQUEST_AVAILABLE_CAPABILITIES 725 * @see CameraMetadata#REQUEST_AVAILABLE_CAPABILITIES_CONSTRAINED_HIGH_SPEED_VIDEO 726 * @see CameraCaptureSession#captureBurst 727 * @see CameraCaptureSession#setRepeatingBurst 728 * @see CameraConstrainedHighSpeedCaptureSession#createHighSpeedRequestList 729 */ 730 public abstract void createConstrainedHighSpeedCaptureSession(@NonNull List<Surface> outputs, 731 @NonNull CameraCaptureSession.StateCallback callback, 732 @Nullable Handler handler) 733 throws CameraAccessException; 734 735 /** 736 * Standard camera operation mode. 737 * 738 * @see #createCustomCaptureSession 739 * @hide 740 */ 741 @SystemApi 742 @TestApi 743 public static final int SESSION_OPERATION_MODE_NORMAL = 744 0; // ICameraDeviceUser.NORMAL_MODE; 745 746 /** 747 * Constrained high-speed operation mode. 748 * 749 * @see #createCustomCaptureSession 750 * @hide 751 */ 752 @SystemApi 753 @TestApi 754 public static final int SESSION_OPERATION_MODE_CONSTRAINED_HIGH_SPEED = 755 1; // ICameraDeviceUser.CONSTRAINED_HIGH_SPEED_MODE; 756 757 /** 758 * First vendor-specific operating mode 759 * 760 * @see #createCustomCaptureSession 761 * @hide 762 */ 763 @SystemApi 764 @TestApi 765 public static final int SESSION_OPERATION_MODE_VENDOR_START = 766 0x8000; // ICameraDeviceUser.VENDOR_MODE_START; 767 768 /** @hide */ 769 @Retention(RetentionPolicy.SOURCE) 770 @IntDef(prefix = {"SESSION_OPERATION_MODE"}, value = 771 {SESSION_OPERATION_MODE_NORMAL, 772 SESSION_OPERATION_MODE_CONSTRAINED_HIGH_SPEED, 773 SESSION_OPERATION_MODE_VENDOR_START}) 774 public @interface SessionOperatingMode {}; 775 776 /** 777 * Create a new camera capture session with a custom operating mode. 778 * 779 * @param inputConfig The configuration for the input {@link Surface} if a reprocessing session 780 * is desired, or {@code null} otherwise. 781 * @param outputs The new set of {@link OutputConfiguration OutputConfigurations} that should be 782 * made available as targets for captured image data. 783 * @param operatingMode The custom operating mode to use; a nonnegative value, either a custom 784 * vendor value or one of the SESSION_OPERATION_MODE_* values. 785 * @param callback The callback to notify about the status of the new capture session. 786 * @param handler The handler on which the callback should be invoked, or {@code null} to use 787 * the current thread's {@link android.os.Looper looper}. 788 * 789 * @throws IllegalArgumentException if the input configuration is null or not supported, the set 790 * of output Surfaces do not meet the requirements, the 791 * callback is null, or the handler is null but the current 792 * thread has no looper. 793 * @throws CameraAccessException if the camera device is no longer connected or has 794 * encountered a fatal error 795 * @throws IllegalStateException if the camera device has been closed 796 * 797 * @see #createCaptureSession 798 * @see #createReprocessableCaptureSession 799 * @see CameraCaptureSession 800 * @see OutputConfiguration 801 * @hide 802 */ 803 @SystemApi 804 @TestApi 805 public abstract void createCustomCaptureSession( 806 InputConfiguration inputConfig, 807 @NonNull List<OutputConfiguration> outputs, 808 @SessionOperatingMode int operatingMode, 809 @NonNull CameraCaptureSession.StateCallback callback, 810 @Nullable Handler handler) 811 throws CameraAccessException; 812 813 /** 814 * <p>Create a {@link CaptureRequest.Builder} for new capture requests, 815 * initialized with template for a target use case. The settings are chosen 816 * to be the best options for the specific camera device, so it is not 817 * recommended to reuse the same request for a different camera device; 818 * create a builder specific for that device and template and override the 819 * settings as desired, instead.</p> 820 * 821 * @param templateType An enumeration selecting the use case for this request. Not all template 822 * types are supported on every device. See the documentation for each template type for 823 * details. 824 * @return a builder for a capture request, initialized with default 825 * settings for that template, and no output streams 826 * 827 * @throws IllegalArgumentException if the templateType is not supported by 828 * this device. 829 * @throws CameraAccessException if the camera device is no longer connected or has 830 * encountered a fatal error 831 * @throws IllegalStateException if the camera device has been closed 832 * 833 * @see #TEMPLATE_PREVIEW 834 * @see #TEMPLATE_RECORD 835 * @see #TEMPLATE_STILL_CAPTURE 836 * @see #TEMPLATE_VIDEO_SNAPSHOT 837 * @see #TEMPLATE_MANUAL 838 */ 839 @NonNull 840 public abstract CaptureRequest.Builder createCaptureRequest(@RequestTemplate int templateType) 841 throws CameraAccessException; 842 843 /** 844 * <p>Create a {@link CaptureRequest.Builder} for a new reprocess {@link CaptureRequest} from a 845 * {@link TotalCaptureResult}. 846 * 847 * <p>Each reprocess {@link CaptureRequest} processes one buffer from 848 * {@link CameraCaptureSession}'s input {@link Surface} to all output {@link Surface Surfaces} 849 * included in the reprocess capture request. The reprocess input images must be generated from 850 * one or multiple output images captured from the same camera device. The application can 851 * provide input images to camera device via {@link android.media.ImageWriter#queueInputImage}. 852 * The application must use the capture result of one of those output images to create a 853 * reprocess capture request so that the camera device can use the information to achieve 854 * optimal reprocess image quality. For camera devices that support only 1 output 855 * {@link Surface}, submitting a reprocess {@link CaptureRequest} with multiple 856 * output targets will result in a {@link CaptureFailure}. 857 * 858 * @param inputResult The capture result of the output image or one of the output images used 859 * to generate the reprocess input image for this capture request. 860 * 861 * @throws IllegalArgumentException if inputResult is null. 862 * @throws CameraAccessException if the camera device is no longer connected or has 863 * encountered a fatal error 864 * @throws IllegalStateException if the camera device has been closed 865 * 866 * @see CaptureRequest.Builder 867 * @see TotalCaptureResult 868 * @see CameraDevice#createReprocessableCaptureSession 869 * @see android.media.ImageWriter 870 */ 871 @NonNull 872 public abstract CaptureRequest.Builder createReprocessCaptureRequest( 873 @NonNull TotalCaptureResult inputResult) throws CameraAccessException; 874 875 /** 876 * Close the connection to this camera device as quickly as possible. 877 * 878 * <p>Immediately after this call, all calls to the camera device or active session interface 879 * will throw a {@link IllegalStateException}, except for calls to close(). Once the device has 880 * fully shut down, the {@link StateCallback#onClosed} callback will be called, and the camera 881 * is free to be re-opened.</p> 882 * 883 * <p>Immediately after this call, besides the final {@link StateCallback#onClosed} calls, no 884 * further callbacks from the device or the active session will occur, and any remaining 885 * submitted capture requests will be discarded, as if 886 * {@link CameraCaptureSession#abortCaptures} had been called, except that no success or failure 887 * callbacks will be invoked.</p> 888 * 889 */ 890 @Override 891 public abstract void close(); 892 893 /** 894 * A callback objects for receiving updates about the state of a camera device. 895 * 896 * <p>A callback instance must be provided to the {@link CameraManager#openCamera} method to 897 * open a camera device.</p> 898 * 899 * <p>These state updates include notifications about the device completing startup ( 900 * allowing for {@link #createCaptureSession} to be called), about device 901 * disconnection or closure, and about unexpected device errors.</p> 902 * 903 * <p>Events about the progress of specific {@link CaptureRequest CaptureRequests} are provided 904 * through a {@link CameraCaptureSession.CaptureCallback} given to the 905 * {@link CameraCaptureSession#capture}, {@link CameraCaptureSession#captureBurst}, 906 * {@link CameraCaptureSession#setRepeatingRequest}, or 907 * {@link CameraCaptureSession#setRepeatingBurst} methods. 908 * 909 * @see CameraManager#openCamera 910 */ 911 public static abstract class StateCallback { 912 /** 913 * An error code that can be reported by {@link #onError} 914 * indicating that the camera device is in use already. 915 * 916 * <p> 917 * This error can be produced when opening the camera fails due to the camera 918 * being used by a higher-priority camera API client. 919 * </p> 920 * 921 * @see #onError 922 */ 923 public static final int ERROR_CAMERA_IN_USE = 1; 924 925 /** 926 * An error code that can be reported by {@link #onError} 927 * indicating that the camera device could not be opened 928 * because there are too many other open camera devices. 929 * 930 * <p> 931 * The system-wide limit for number of open cameras has been reached, 932 * and more camera devices cannot be opened until previous instances are 933 * closed. 934 * </p> 935 * 936 * <p> 937 * This error can be produced when opening the camera fails. 938 * </p> 939 * 940 * @see #onError 941 */ 942 public static final int ERROR_MAX_CAMERAS_IN_USE = 2; 943 944 /** 945 * An error code that can be reported by {@link #onError} 946 * indicating that the camera device could not be opened due to a device 947 * policy. 948 * 949 * @see android.app.admin.DevicePolicyManager#setCameraDisabled(android.content.ComponentName, boolean) 950 * @see #onError 951 */ 952 public static final int ERROR_CAMERA_DISABLED = 3; 953 954 /** 955 * An error code that can be reported by {@link #onError} 956 * indicating that the camera device has encountered a fatal error. 957 * 958 * <p>The camera device needs to be re-opened to be used again.</p> 959 * 960 * @see #onError 961 */ 962 public static final int ERROR_CAMERA_DEVICE = 4; 963 964 /** 965 * An error code that can be reported by {@link #onError} 966 * indicating that the camera service has encountered a fatal error. 967 * 968 * <p>The Android device may need to be shut down and restarted to restore 969 * camera function, or there may be a persistent hardware problem.</p> 970 * 971 * <p>An attempt at recovery <i>may</i> be possible by closing the 972 * CameraDevice and the CameraManager, and trying to acquire all resources 973 * again from scratch.</p> 974 * 975 * @see #onError 976 */ 977 public static final int ERROR_CAMERA_SERVICE = 5; 978 979 /** @hide */ 980 @Retention(RetentionPolicy.SOURCE) 981 @IntDef(prefix = {"ERROR_"}, value = 982 {ERROR_CAMERA_IN_USE, 983 ERROR_MAX_CAMERAS_IN_USE, 984 ERROR_CAMERA_DISABLED, 985 ERROR_CAMERA_DEVICE, 986 ERROR_CAMERA_SERVICE }) 987 public @interface ErrorCode {}; 988 989 /** 990 * The method called when a camera device has finished opening. 991 * 992 * <p>At this point, the camera device is ready to use, and 993 * {@link CameraDevice#createCaptureSession} can be called to set up the first capture 994 * session.</p> 995 * 996 * @param camera the camera device that has become opened 997 */ 998 public abstract void onOpened(@NonNull CameraDevice camera); // Must implement 999 1000 /** 1001 * The method called when a camera device has been closed with 1002 * {@link CameraDevice#close}. 1003 * 1004 * <p>Any attempt to call methods on this CameraDevice in the 1005 * future will throw a {@link IllegalStateException}.</p> 1006 * 1007 * <p>The default implementation of this method does nothing.</p> 1008 * 1009 * @param camera the camera device that has become closed 1010 */ 1011 public void onClosed(@NonNull CameraDevice camera) { 1012 // Default empty implementation 1013 } 1014 1015 /** 1016 * The method called when a camera device is no longer available for 1017 * use. 1018 * 1019 * <p>This callback may be called instead of {@link #onOpened} 1020 * if opening the camera fails.</p> 1021 * 1022 * <p>Any attempt to call methods on this CameraDevice will throw a 1023 * {@link CameraAccessException}. The disconnection could be due to a 1024 * change in security policy or permissions; the physical disconnection 1025 * of a removable camera device; or the camera being needed for a 1026 * higher-priority camera API client.</p> 1027 * 1028 * <p>There may still be capture callbacks that are invoked 1029 * after this method is called, or new image buffers that are delivered 1030 * to active outputs.</p> 1031 * 1032 * <p>The default implementation logs a notice to the system log 1033 * about the disconnection.</p> 1034 * 1035 * <p>You should clean up the camera with {@link CameraDevice#close} after 1036 * this happens, as it is not recoverable until the camera can be opened 1037 * again. For most use cases, this will be when the camera again becomes 1038 * {@link CameraManager.AvailabilityCallback#onCameraAvailable available}. 1039 * </p> 1040 * 1041 * @param camera the device that has been disconnected 1042 */ 1043 public abstract void onDisconnected(@NonNull CameraDevice camera); // Must implement 1044 1045 /** 1046 * The method called when a camera device has encountered a serious error. 1047 * 1048 * <p>This callback may be called instead of {@link #onOpened} 1049 * if opening the camera fails.</p> 1050 * 1051 * <p>This indicates a failure of the camera device or camera service in 1052 * some way. Any attempt to call methods on this CameraDevice in the 1053 * future will throw a {@link CameraAccessException} with the 1054 * {@link CameraAccessException#CAMERA_ERROR CAMERA_ERROR} reason. 1055 * </p> 1056 * 1057 * <p>There may still be capture completion or camera stream callbacks 1058 * that will be called after this error is received.</p> 1059 * 1060 * <p>You should clean up the camera with {@link CameraDevice#close} after 1061 * this happens. Further attempts at recovery are error-code specific.</p> 1062 * 1063 * @param camera The device reporting the error 1064 * @param error The error code. 1065 * 1066 * @see #ERROR_CAMERA_IN_USE 1067 * @see #ERROR_MAX_CAMERAS_IN_USE 1068 * @see #ERROR_CAMERA_DISABLED 1069 * @see #ERROR_CAMERA_DEVICE 1070 * @see #ERROR_CAMERA_SERVICE 1071 */ 1072 public abstract void onError(@NonNull CameraDevice camera, 1073 @ErrorCode int error); // Must implement 1074 } 1075 1076 /** 1077 * To be inherited by android.hardware.camera2.* code only. 1078 * @hide 1079 */ 1080 public CameraDevice() {} 1081 } 1082
