1 /* 2 * Copyright (C) 2015 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 /** 18 * @addtogroup Camera 19 * @{ 20 */ 21 22 /** 23 * @file NdkCameraDevice.h 24 */ 25 26 /* 27 * This file defines an NDK API. 28 * Do not remove methods. 29 * Do not change method signatures. 30 * Do not change the value of constants. 31 * Do not change the size of any of the classes defined in here. 32 * Do not reference types that are not part of the NDK. 33 * Do not #include files that aren't part of the NDK. 34 */ 35 #include <sys/cdefs.h> 36 37 #include <android/native_window.h> 38 #include "NdkCameraError.h" 39 #include "NdkCaptureRequest.h" 40 #include "NdkCameraCaptureSession.h" 41 42 #ifndef _NDK_CAMERA_DEVICE_H 43 #define _NDK_CAMERA_DEVICE_H 44 45 __BEGIN_DECLS 46 47 #if __ANDROID_API__ >= 24 48 49 /** 50 * ACameraDevice is opaque type that provides access to a camera device. 51 * 52 * A pointer can be obtained using {@link ACameraManager_openCamera} method. 53 */ 54 typedef struct ACameraDevice ACameraDevice; 55 56 /// Enum for ACameraDevice_ErrorStateCallback error code 57 enum { 58 /** 59 * The camera device is in use already. 60 */ 61 ERROR_CAMERA_IN_USE = 1, 62 63 /** 64 * The system-wide limit for number of open cameras or camera resources has 65 * been reached, and more camera devices cannot be opened until previous 66 * instances are closed. 67 */ 68 ERROR_MAX_CAMERAS_IN_USE = 2, 69 70 /** 71 * The camera is disabled due to a device policy, and cannot be opened. 72 */ 73 ERROR_CAMERA_DISABLED = 3, 74 75 /** 76 * The camera device has encountered a fatal error. 77 * <p>The camera device needs to be re-opened to be used again.</p> 78 */ 79 ERROR_CAMERA_DEVICE = 4, 80 81 /** 82 * The camera service has encountered a fatal error. 83 * <p>The Android device may need to be shut down and restarted to restore 84 * camera function, or there may be a persistent hardware problem. 85 * An attempt at recovery may be possible by closing the 86 * CameraDevice and the CameraManager, and trying to acquire all resources 87 * again from scratch.</p> 88 */ 89 ERROR_CAMERA_SERVICE = 5 90 }; 91 92 /** 93 * Camera device state callbacks to be used in {@link ACameraDevice_stateCallbacks}. 94 * 95 * @param context The optional context in {@link ACameraDevice_stateCallbacks} will be 96 * passed to this callback. 97 * @param device The {@link ACameraDevice} that is being disconnected. 98 */ 99 typedef void (*ACameraDevice_StateCallback)(void* context, ACameraDevice* device); 100 101 /** 102 * Camera device error state callbacks to be used in {@link ACameraDevice_stateCallbacks}. 103 * 104 * @param context The optional context in {@link ACameraDevice_stateCallbacks} will be 105 * passed to this callback. 106 * @param device The {@link ACameraDevice} that is being disconnected. 107 * @param error The error code describes the cause of this error callback. See the folowing 108 * links for more detail. 109 * 110 * @see ERROR_CAMERA_IN_USE 111 * @see ERROR_MAX_CAMERAS_IN_USE 112 * @see ERROR_CAMERA_DISABLED 113 * @see ERROR_CAMERA_DEVICE 114 * @see ERROR_CAMERA_SERVICE 115 */ 116 typedef void (*ACameraDevice_ErrorStateCallback)(void* context, ACameraDevice* device, int error); 117 118 typedef struct ACameraDevice_StateCallbacks { 119 /// optional application context. 120 void* context; 121 122 /** 123 * The function is called when a camera device is no longer available for use. 124 * 125 * <p>Any attempt to call API methods on this ACameraDevice will return 126 * {@link ACAMERA_ERROR_CAMERA_DISCONNECTED}. The disconnection could be due to a 127 * change in security policy or permissions; the physical disconnection 128 * of a removable camera device; or the camera being needed for a 129 * higher-priority camera API client.</p> 130 * 131 * <p>Application should clean up the camera with {@link ACameraDevice_close} after 132 * this happens, as it is not recoverable until the camera can be opened 133 * again.</p> 134 * 135 */ 136 ACameraDevice_StateCallback onDisconnected; 137 138 /** 139 * The function called when a camera device has encountered a serious error. 140 * 141 * <p>This indicates a failure of the camera device or camera service in some way. 142 * Any attempt to call API methods on this ACameraDevice in the future will return 143 * {@link ACAMERA_ERROR_CAMERA_DISCONNECTED}.</p> 144 * 145 * <p>There may still be capture completion or camera stream callbacks that will be called 146 * after this error is received.</p> 147 * 148 * <p>Application should clean up the camera with {@link ACameraDevice_close} after this 149 * happens. Further attempts at recovery are error-code specific.</p> 150 * 151 */ 152 ACameraDevice_ErrorStateCallback onError; 153 } ACameraDevice_stateCallbacks; 154 155 /** 156 * Close the connection and free this ACameraDevice synchronously. Access to the ACameraDevice 157 * after calling this method will cause a crash. 158 * 159 * <p>After this call, all calls to the active ACameraCaptureSession associated to this 160 * ACameraDevice will return {@link ACAMERA_ERROR_SESSION_CLOSED} except for calls to 161 * {@link ACameraCaptureSession_close}.</p> 162 * 163 * <p>This method will stop all repeating captures sent via 164 * {@link ACameraCaptureSession_setRepeatingRequest} and block until all capture requests sent via 165 * {@link ACameraCaptureSession_capture} is complete. Once the method returns, the camera device 166 * will be removed from memory and access to the closed camera device pointer will cause a crash.</p> 167 * 168 * @param device the camera device to be closed 169 * 170 * @return <ul> 171 * <li>{@link ACAMERA_OK} if the method call succeeds.</li> 172 * <li>{@link ACAMERA_ERROR_INVALID_PARAMETER} if device is NULL.</li></ul> 173 */ 174 camera_status_t ACameraDevice_close(ACameraDevice* device); 175 176 /** 177 * Return the camera id associated with this camera device. 178 * 179 * @param device the camera device to be closed 180 * 181 * @return camera ID string. The returned string is managed by framework and should not be 182 * delete/free by the application. Also the returned string must not be used after the device 183 * has been closed. 184 */ 185 const char* ACameraDevice_getId(const ACameraDevice* device); 186 187 typedef enum { 188 /** 189 * Create a request suitable for a camera preview window. Specifically, this 190 * means that high frame rate is given priority over the highest-quality 191 * post-processing. These requests would normally be used with the 192 * {@link ACameraCaptureSession_setRepeatingRequest} method. 193 * This template is guaranteed to be supported on all camera devices. 194 * 195 * @see ACameraDevice_createCaptureRequest 196 */ 197 TEMPLATE_PREVIEW = 1, 198 199 /** 200 * Create a request suitable for still image capture. Specifically, this 201 * means prioritizing image quality over frame rate. These requests would 202 * commonly be used with the {@link ACameraCaptureSession_capture} method. 203 * This template is guaranteed to be supported on all camera devices. 204 * 205 * @see ACameraDevice_createCaptureRequest 206 */ 207 TEMPLATE_STILL_CAPTURE = 2, 208 209 /** 210 * Create a request suitable for video recording. Specifically, this means 211 * that a stable frame rate is used, and post-processing is set for 212 * recording quality. These requests would commonly be used with the 213 * {@link ACameraCaptureSession_setRepeatingRequest} method. 214 * This template is guaranteed to be supported on all camera devices. 215 * 216 * @see ACameraDevice_createCaptureRequest 217 */ 218 TEMPLATE_RECORD = 3, 219 220 /** 221 * Create a request suitable for still image capture while recording 222 * video. Specifically, this means maximizing image quality without 223 * disrupting the ongoing recording. These requests would commonly be used 224 * with the {@link ACameraCaptureSession_capture} method while a request based on 225 * {@link TEMPLATE_RECORD} is is in use with {@link ACameraCaptureSession_setRepeatingRequest}. 226 * This template is guaranteed to be supported on all camera devices. 227 * 228 * @see ACameraDevice_createCaptureRequest 229 */ 230 TEMPLATE_VIDEO_SNAPSHOT = 4, 231 232 /** 233 * Create a request suitable for zero shutter lag still capture. This means 234 * means maximizing image quality without compromising preview frame rate. 235 * AE/AWB/AF should be on auto mode. 236 * 237 * @see ACameraDevice_createCaptureRequest 238 */ 239 TEMPLATE_ZERO_SHUTTER_LAG = 5, 240 241 /** 242 * A basic template for direct application control of capture 243 * parameters. All automatic control is disabled (auto-exposure, auto-white 244 * balance, auto-focus), and post-processing parameters are set to preview 245 * quality. The manual capture parameters (exposure, sensitivity, and so on) 246 * are set to reasonable defaults, but should be overriden by the 247 * application depending on the intended use case. 248 * This template is guaranteed to be supported on camera devices that support the 249 * {@link ACAMERA_REQUEST_AVAILABLE_CAPABILITIES_MANUAL_SENSOR} capability. 250 * 251 * @see ACameraDevice_createCaptureRequest 252 */ 253 TEMPLATE_MANUAL = 6, 254 } ACameraDevice_request_template; 255 256 /** 257 * Create a ACaptureRequest for capturing images, initialized with template 258 * for a target use case. 259 * 260 * <p>The settings are chosen to be the best options for this camera device, 261 * so it is not recommended to reuse the same request for a different camera device.</p> 262 * 263 * @param device the camera device of interest 264 * @param templateId the type of capture request to be created. 265 * See {@link ACameraDevice_request_template}. 266 * @param request the output request will be stored here if the method call succeeds. 267 * 268 * @return <ul> 269 * <li>{@link ACAMERA_OK} if the method call succeeds. The created capture request will be 270 * filled in request argument.</li> 271 * <li>{@link ACAMERA_ERROR_INVALID_PARAMETER} if device or request is NULL, templateId 272 * is undefined or camera device does not support requested template. 273 * </li> 274 * <li>{@link ACAMERA_ERROR_CAMERA_DISCONNECTED} if the camera device is closed.</li> 275 * <li>{@link ACAMERA_ERROR_CAMERA_DEVICE} if the camera device encounters fatal error.</li> 276 * <li>{@link ACAMERA_ERROR_CAMERA_SERVICE} if the camera service encounters fatal error.</li> 277 * <li>{@link ACAMERA_ERROR_UNKNOWN} if the method fails for some other reasons.</li></ul> 278 * 279 * @see TEMPLATE_PREVIEW 280 * @see TEMPLATE_RECORD 281 * @see TEMPLATE_STILL_CAPTURE 282 * @see TEMPLATE_VIDEO_SNAPSHOT 283 * @see TEMPLATE_MANUAL 284 */ 285 camera_status_t ACameraDevice_createCaptureRequest( 286 const ACameraDevice* device, ACameraDevice_request_template templateId, 287 /*out*/ACaptureRequest** request); 288 289 290 typedef struct ACaptureSessionOutputContainer ACaptureSessionOutputContainer; 291 292 typedef struct ACaptureSessionOutput ACaptureSessionOutput; 293 294 /** 295 * Create a capture session output container. 296 * 297 * <p>The container is used in {@link ACameraDevice_createCaptureSession} method to create a capture 298 * session. Use {@link ACaptureSessionOutputContainer_free} to free the container and its memory 299 * after application no longer needs the ACaptureSessionOutputContainer.</p> 300 * 301 * @param container the output {@link ACaptureSessionOutputContainer} will be stored here if the 302 * method call succeeds. 303 * 304 * @return <ul> 305 * <li>{@link ACAMERA_OK} if the method call succeeds. The created container will be 306 * filled in container argument.</li> 307 * <li>{@link ACAMERA_ERROR_INVALID_PARAMETER} if container is NULL.</li></ul> 308 */ 309 camera_status_t ACaptureSessionOutputContainer_create( 310 /*out*/ACaptureSessionOutputContainer** container); 311 312 /** 313 * Free a capture session output container. 314 * 315 * @param container the {@link ACaptureSessionOutputContainer} to be freed. 316 * 317 * @see ACaptureSessionOutputContainer_create 318 */ 319 void ACaptureSessionOutputContainer_free(ACaptureSessionOutputContainer* container); 320 321 /** 322 * Create a ACaptureSessionOutput object. 323 * 324 * <p>The ACaptureSessionOutput is used in {@link ACaptureSessionOutputContainer_add} method to add 325 * an output {@link ANativeWindow} to ACaptureSessionOutputContainer. Use 326 * {@link ACaptureSessionOutput_free} to free the object and its memory after application no longer 327 * needs the {@link ACaptureSessionOutput}.</p> 328 * 329 * @param anw the {@link ANativeWindow} to be associated with the {@link ACaptureSessionOutput} 330 * @param output the output {@link ACaptureSessionOutput} will be stored here if the 331 * method call succeeds. 332 * 333 * @return <ul> 334 * <li>{@link ACAMERA_OK} if the method call succeeds. The created container will be 335 * filled in the output argument.</li> 336 * <li>{@link ACAMERA_ERROR_INVALID_PARAMETER} if anw or output is NULL.</li></ul> 337 * 338 * @see ACaptureSessionOutputContainer_add 339 */ 340 camera_status_t ACaptureSessionOutput_create( 341 ANativeWindow* anw, /*out*/ACaptureSessionOutput** output); 342 343 /** 344 * Free a ACaptureSessionOutput object. 345 * 346 * @param output the {@link ACaptureSessionOutput} to be freed. 347 * 348 * @see ACaptureSessionOutput_create 349 */ 350 void ACaptureSessionOutput_free(ACaptureSessionOutput* output); 351 352 /** 353 * Add an {@link ACaptureSessionOutput} object to {@link ACaptureSessionOutputContainer}. 354 * 355 * @param container the {@link ACaptureSessionOutputContainer} of interest. 356 * @param output the output {@link ACaptureSessionOutput} to be added to container. 357 * 358 * @return <ul> 359 * <li>{@link ACAMERA_OK} if the method call succeeds.</li> 360 * <li>{@link ACAMERA_ERROR_INVALID_PARAMETER} if container or output is NULL.</li></ul> 361 */ 362 camera_status_t ACaptureSessionOutputContainer_add( 363 ACaptureSessionOutputContainer* container, const ACaptureSessionOutput* output); 364 365 /** 366 * Remove an {@link ACaptureSessionOutput} object from {@link ACaptureSessionOutputContainer}. 367 * 368 * <p>This method has no effect if the ACaptureSessionOutput does not exist in 369 * ACaptureSessionOutputContainer.</p> 370 * 371 * @param container the {@link ACaptureSessionOutputContainer} of interest. 372 * @param output the output {@link ACaptureSessionOutput} to be removed from container. 373 * 374 * @return <ul> 375 * <li>{@link ACAMERA_OK} if the method call succeeds.</li> 376 * <li>{@link ACAMERA_ERROR_INVALID_PARAMETER} if container or output is NULL.</li></ul> 377 */ 378 camera_status_t ACaptureSessionOutputContainer_remove( 379 ACaptureSessionOutputContainer* container, const ACaptureSessionOutput* output); 380 381 /** 382 * Create a new camera capture session by providing the target output set of {@link ANativeWindow} 383 * to the camera device. 384 * 385 * <p>If there is a preexisting session, the previous session will be closed 386 * automatically. However, app still needs to call {@link ACameraCaptureSession_close} on previous 387 * session. Otherwise the resources held by previous session will NOT be freed.</p> 388 * 389 * <p>The active capture session determines the set of potential output {@link ANativeWindow}s for 390 * the camera device for each capture request. A given request may use all 391 * or only some of the outputs. Once the ACameraCaptureSession is created, requests can be 392 * submitted with {@link ACameraCaptureSession_capture} or 393 * {@link ACameraCaptureSession_setRepeatingRequest}.</p> 394 * 395 * <p>Often the {@link ANativeWindow} used with this method can be obtained from a <a href= 396 * "http://developer.android.com/reference/android/view/Surface.html">Surface</a> java object by 397 * {@link ANativeWindow_fromSurface} NDK method. Surfaces or ANativeWindow suitable for inclusion as a camera 398 * output can be created for various use cases and targets:</p> 399 * 400 * <ul> 401 * 402 * <li>For drawing to a 403 * <a href="http://developer.android.com/reference/android/view/SurfaceView.html">SurfaceView</a>: 404 * Once the SurfaceView's Surface is created, set the size 405 * of the Surface with 406 * <a href="http://developer.android.com/reference/android/view/SurfaceHolder.html#setFixedSize(int, int)"> 407 * android.view.SurfaceHolder\#setFixedSize</a> to be one of the PRIVATE output sizes 408 * returned by {@link ACAMERA_SCALER_AVAILABLE_STREAM_CONFIGURATIONS} 409 * and then obtain the Surface by calling <a href= 410 * "http://developer.android.com/reference/android/view/SurfaceHolder.html#getSurface()"> 411 * android.view.SurfaceHolder\#getSurface</a>. If the size is not set by the application, it will 412 * be rounded to the nearest supported size less than 1080p, by the camera device.</li> 413 * 414 * <li>For accessing through an OpenGL texture via a <a href= 415 * "http://developer.android.com/reference/android/graphics/SurfaceTexture.html">SurfaceTexture</a>: 416 * Set the size of the SurfaceTexture with <a href= 417 * "http://developer.android.com/reference/android/graphics/SurfaceTexture.html#setDefaultBufferSize(int, int)"> 418 * setDefaultBufferSize</a> to be one of the PRIVATE output sizes 419 * returned by {@link ACAMERA_SCALER_AVAILABLE_STREAM_CONFIGURATIONS} 420 * before creating a Surface from the SurfaceTexture with <a href= 421 * "http://developer.android.com/reference/android/view/Surface.html#Surface(android.graphics.SurfaceTexture)"> 422 * Surface\#Surface(SurfaceTextrue)</a>. If the size is not set by the application, it will be set to be the 423 * smallest supported size less than 1080p, by the camera device.</li> 424 * 425 * <li>For recording with <a href= 426 * "http://developer.android.com/reference/android/media/MediaCodec.html"> 427 * MediaCodec</a>: Call 428 * <a href= 429 * "http://developer.android.com/reference/android/media/MediaCodec.html#createInputSurface()"> 430 * android.media.MediaCodec\#createInputSurface</a> after configuring 431 * the media codec to use one of the PRIVATE output sizes 432 * returned by {@link ACAMERA_SCALER_AVAILABLE_STREAM_CONFIGURATIONS}. 433 * </li> 434 * 435 * <li>For recording with <a href= 436 * "http://developer.android.com/reference/android/media/MediaRecorder.html"> 437 * MediaRecorder</a>: Call 438 * <a href="http://developer.android.com/reference/android/media/MediaRecorder.html#getSurface()"> 439 * android.media.MediaRecorder\#getSurface</a> after configuring the media recorder to use 440 * one of the PRIVATE output sizes returned by 441 * {@link ACAMERA_SCALER_AVAILABLE_STREAM_CONFIGURATIONS}, or configuring it to use one of the supported 442 * <a href="http://developer.android.com/reference/android/media/CamcorderProfile.html"> 443 * CamcorderProfiles</a>.</li> 444 * 445 * <li>For efficient YUV processing with <a href= 446 * "http://developer.android.com/reference/android/renderscript/package-summary.html"> 447 * RenderScript</a>: 448 * Create a RenderScript 449 * <a href="http://developer.android.com/reference/android/renderscript/Allocation.html"> 450 * Allocation</a> with a supported YUV 451 * type, the IO_INPUT flag, and one of the YUV output sizes returned by 452 * {@link ACAMERA_SCALER_AVAILABLE_STREAM_CONFIGURATIONS}, 453 * Then obtain the Surface with 454 * <a href="http://developer.android.com/reference/android/renderscript/Allocation.html#getSurface()"> 455 * Allocation#getSurface}</a>.</li> 456 * 457 * <li>For access to RAW, uncompressed YUV, or compressed JPEG data in the application: Create an 458 * {@link AImageReader} object using the {@link AImageReader_new} method with one of the supported 459 * output formats given by {@link ACAMERA_SCALER_AVAILABLE_STREAM_CONFIGURATIONS}. Then obtain a 460 * ANativeWindow from it with {@link AImageReader_getWindow}. 461 * If the AImageReader size is not set to a supported size, it will be rounded to a supported 462 * size less than 1080p by the camera device. 463 * </li> 464 * 465 * </ul> 466 * 467 * <p>The camera device will query each ANativeWindow's size and formats upon this 468 * call, so they must be set to a valid setting at this time.</p> 469 * 470 * <p>It can take several hundred milliseconds for the session's configuration to complete, 471 * since camera hardware may need to be powered on or reconfigured.</p> 472 * 473 * <p>If a prior ACameraCaptureSession already exists when this method is called, the previous 474 * session will no longer be able to accept new capture requests and will be closed. Any 475 * in-progress capture requests made on the prior session will be completed before it's closed. 476 * To minimize the transition time, 477 * the ACameraCaptureSession_abortCaptures method can be used to discard the remaining 478 * requests for the prior capture session before a new one is created. Note that once the new 479 * session is created, the old one can no longer have its captures aborted.</p> 480 * 481 * <p>Using larger resolution outputs, or more outputs, can result in slower 482 * output rate from the device.</p> 483 * 484 * <p>Configuring a session with an empty list will close the current session, if 485 * any. This can be used to release the current session's target surfaces for another use.</p> 486 * 487 * <p>While any of the sizes from {@link ACAMERA_SCALER_AVAILABLE_STREAM_CONFIGURATIONS} can be used when 488 * a single output stream is configured, a given camera device may not be able to support all 489 * combination of sizes, formats, and targets when multiple outputs are configured at once. The 490 * tables below list the maximum guaranteed resolutions for combinations of streams and targets, 491 * given the capabilities of the camera device.</p> 492 * 493 * <p>If an application tries to create a session using a set of targets that exceed the limits 494 * described in the below tables, one of three possibilities may occur. First, the session may 495 * be successfully created and work normally. Second, the session may be successfully created, 496 * but the camera device won't meet the frame rate guarantees as described in 497 * {@link ACAMERA_SCALER_AVAILABLE_MIN_FRAME_DURATIONS}. Or third, if the output set 498 * cannot be used at all, session creation will fail entirely, with 499 * {@link ACAMERA_ERROR_STREAM_CONFIGURE_FAIL} being returned.</p> 500 * 501 * <p>For the type column `PRIV` refers to output format {@link AIMAGE_FORMAT_PRIVATE}, 502 * `YUV` refers to output format {@link AIMAGE_FORMAT_YUV_420_888}, 503 * `JPEG` refers to output format {@link AIMAGE_FORMAT_JPEG}, 504 * and `RAW` refers to output format {@link AIMAGE_FORMAT_RAW16} 505 * 506 * 507 * <p>For the maximum size column, `PREVIEW` refers to the best size match to the 508 * device's screen resolution, or to 1080p `(1920x1080)`, whichever is 509 * smaller. `RECORD` refers to the camera device's maximum supported recording resolution, 510 * as determined by <a href="http://developer.android.com/reference/android/media/CamcorderProfile.html"> 511 * android.media.CamcorderProfiles</a>. And `MAXIMUM` refers to the 512 * camera device's maximum output resolution for that format or target from 513 * {@link ACAMERA_SCALER_AVAILABLE_STREAM_CONFIGURATIONS}.</p> 514 * 515 * <p>To use these tables, determine the number and the formats/targets of outputs needed, and 516 * find the row(s) of the table with those targets. The sizes indicate the maximum set of sizes 517 * that can be used; it is guaranteed that for those targets, the listed sizes and anything 518 * smaller from the list given by {@link ACAMERA_SCALER_AVAILABLE_STREAM_CONFIGURATIONS} can be 519 * successfully used to create a session. For example, if a row indicates that a 8 megapixel 520 * (MP) YUV_420_888 output can be used together with a 2 MP `PRIV` output, then a session 521 * can be created with targets `[8 MP YUV, 2 MP PRIV]` or targets `[2 MP YUV, 2 MP PRIV]`; 522 * but a session with targets `[8 MP YUV, 4 MP PRIV]`, targets `[4 MP YUV, 4 MP PRIV]`, 523 * or targets `[8 MP PRIV, 2 MP YUV]` would not be guaranteed to work, unless 524 * some other row of the table lists such a combination.</p> 525 * 526 * <p>Legacy devices ({@link ACAMERA_INFO_SUPPORTED_HARDWARE_LEVEL} 527 * `== `{@link ACAMERA_INFO_SUPPORTED_HARDWARE_LEVEL_LEGACY LEGACY}) support at 528 * least the following stream combinations: 529 * 530 * <table> 531 * <tr><th colspan="7">LEGACY-level guaranteed configurations</th></tr> 532 * <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> 533 * <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> 534 * <tr> <td>`PRIV`</td><td id="rb">`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> 535 * <tr> <td>`JPEG`</td><td id="rb">`MAXIMUM`</td> <td colspan="2" id="rb"></td> <td colspan="2" id="rb"></td> <td>No-viewfinder still image capture.</td> </tr> 536 * <tr> <td>`YUV `</td><td id="rb">`MAXIMUM`</td> <td colspan="2" id="rb"></td> <td colspan="2" id="rb"></td> <td>In-application video/image processing.</td> </tr> 537 * <tr> <td>`PRIV`</td><td id="rb">`PREVIEW`</td> <td>`JPEG`</td><td id="rb">`MAXIMUM`</td> <td colspan="2" id="rb"></td> <td>Standard still imaging.</td> </tr> 538 * <tr> <td>`YUV `</td><td id="rb">`PREVIEW`</td> <td>`JPEG`</td><td id="rb">`MAXIMUM`</td> <td colspan="2" id="rb"></td> <td>In-app processing plus still capture.</td> </tr> 539 * <tr> <td>`PRIV`</td><td id="rb">`PREVIEW`</td> <td>`PRIV`</td><td id="rb">`PREVIEW`</td> <td colspan="2" id="rb"></td> <td>Standard recording.</td> </tr> 540 * <tr> <td>`PRIV`</td><td id="rb">`PREVIEW`</td> <td>`YUV `</td><td id="rb">`PREVIEW`</td> <td colspan="2" id="rb"></td> <td>Preview plus in-app processing.</td> </tr> 541 * <tr> <td>`PRIV`</td><td id="rb">`PREVIEW`</td> <td>`YUV `</td><td id="rb">`PREVIEW`</td> <td>`JPEG`</td><td id="rb">`MAXIMUM`</td> <td>Still capture plus in-app processing.</td> </tr> 542 * </table><br> 543 * </p> 544 * 545 * <p>Limited-level ({@link ACAMERA_INFO_SUPPORTED_HARDWARE_LEVEL} 546 * `== `{@link ACAMERA_INFO_SUPPORTED_HARDWARE_LEVEL_LIMITED LIMITED}) devices 547 * support at least the following stream combinations in addition to those for 548 * {@link ACAMERA_INFO_SUPPORTED_HARDWARE_LEVEL_LEGACY LEGACY} devices: 549 * 550 * <table> 551 * <tr><th colspan="7">LIMITED-level additional guaranteed configurations</th></tr> 552 * <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> 553 * <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> 554 * <tr> <td>`PRIV`</td><td id="rb">`PREVIEW`</td> <td>`PRIV`</td><td id="rb">`RECORD `</td> <td colspan="2" id="rb"></td> <td>High-resolution video recording with preview.</td> </tr> 555 * <tr> <td>`PRIV`</td><td id="rb">`PREVIEW`</td> <td>`YUV `</td><td id="rb">`RECORD `</td> <td colspan="2" id="rb"></td> <td>High-resolution in-app video processing with preview.</td> </tr> 556 * <tr> <td>`YUV `</td><td id="rb">`PREVIEW`</td> <td>`YUV `</td><td id="rb">`RECORD `</td> <td colspan="2" id="rb"></td> <td>Two-input in-app video processing.</td> </tr> 557 * <tr> <td>`PRIV`</td><td id="rb">`PREVIEW`</td> <td>`PRIV`</td><td id="rb">`RECORD `</td> <td>`JPEG`</td><td id="rb">`RECORD `</td> <td>High-resolution recording with video snapshot.</td> </tr> 558 * <tr> <td>`PRIV`</td><td id="rb">`PREVIEW`</td> <td>`YUV `</td><td id="rb">`RECORD `</td> <td>`JPEG`</td><td id="rb">`RECORD `</td> <td>High-resolution in-app processing with video snapshot.</td> </tr> 559 * <tr> <td>`YUV `</td><td id="rb">`PREVIEW`</td> <td>`YUV `</td><td id="rb">`PREVIEW`</td> <td>`JPEG`</td><td id="rb">`MAXIMUM`</td> <td>Two-input in-app processing with still capture.</td> </tr> 560 * </table><br> 561 * </p> 562 * 563 * <p>FULL-level ({@link ACAMERA_INFO_SUPPORTED_HARDWARE_LEVEL} 564 * `== `{@link ACAMERA_INFO_SUPPORTED_HARDWARE_LEVEL_FULL FULL}) devices 565 * support at least the following stream combinations in addition to those for 566 * {@link ACAMERA_INFO_SUPPORTED_HARDWARE_LEVEL_LIMITED LIMITED} devices: 567 * 568 * <table> 569 * <tr><th colspan="7">FULL-level additional guaranteed configurations</th></tr> 570 * <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> 571 * <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> 572 * <tr> <td>`PRIV`</td><td id="rb">`PREVIEW`</td> <td>`PRIV`</td><td id="rb">`MAXIMUM`</td> <td colspan="2" id="rb"></td> <td>Maximum-resolution GPU processing with preview.</td> </tr> 573 * <tr> <td>`PRIV`</td><td id="rb">`PREVIEW`</td> <td>`YUV `</td><td id="rb">`MAXIMUM`</td> <td colspan="2" id="rb"></td> <td>Maximum-resolution in-app processing with preview.</td> </tr> 574 * <tr> <td>`YUV `</td><td id="rb">`PREVIEW`</td> <td>`YUV `</td><td id="rb">`MAXIMUM`</td> <td colspan="2" id="rb"></td> <td>Maximum-resolution two-input in-app processsing.</td> </tr> 575 * <tr> <td>`PRIV`</td><td id="rb">`PREVIEW`</td> <td>`PRIV`</td><td id="rb">`PREVIEW`</td> <td>`JPEG`</td><td id="rb">`MAXIMUM`</td> <td>Video recording with maximum-size video snapshot</td> </tr> 576 * <tr> <td>`YUV `</td><td id="rb">`640x480`</td> <td>`PRIV`</td><td id="rb">`PREVIEW`</td> <td>`YUV `</td><td id="rb">`MAXIMUM`</td> <td>Standard video recording plus maximum-resolution in-app processing.</td> </tr> 577 * <tr> <td>`YUV `</td><td id="rb">`640x480`</td> <td>`YUV `</td><td id="rb">`PREVIEW`</td> <td>`YUV `</td><td id="rb">`MAXIMUM`</td> <td>Preview plus two-input maximum-resolution in-app processing.</td> </tr> 578 * </table><br> 579 * </p> 580 * 581 * <p>RAW-capability ({@link ACAMERA_REQUEST_AVAILABLE_CAPABILITIES} includes 582 * {@link ACAMERA_REQUEST_AVAILABLE_CAPABILITIES_RAW RAW}) devices additionally support 583 * at least the following stream combinations on both 584 * {@link ACAMERA_INFO_SUPPORTED_HARDWARE_LEVEL_FULL FULL} and 585 * {@link ACAMERA_INFO_SUPPORTED_HARDWARE_LEVEL_LIMITED LIMITED} devices: 586 * 587 * <table> 588 * <tr><th colspan="7">RAW-capability additional guaranteed configurations</th></tr> 589 * <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> 590 * <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> 591 * <tr> <td>`RAW `</td><td id="rb">`MAXIMUM`</td> <td colspan="2" id="rb"></td> <td colspan="2" id="rb"></td> <td>No-preview DNG capture.</td> </tr> 592 * <tr> <td>`PRIV`</td><td id="rb">`PREVIEW`</td> <td>`RAW `</td><td id="rb">`MAXIMUM`</td> <td colspan="2" id="rb"></td> <td>Standard DNG capture.</td> </tr> 593 * <tr> <td>`YUV `</td><td id="rb">`PREVIEW`</td> <td>`RAW `</td><td id="rb">`MAXIMUM`</td> <td colspan="2" id="rb"></td> <td>In-app processing plus DNG capture.</td> </tr> 594 * <tr> <td>`PRIV`</td><td id="rb">`PREVIEW`</td> <td>`PRIV`</td><td id="rb">`PREVIEW`</td> <td>`RAW `</td><td id="rb">`MAXIMUM`</td> <td>Video recording with DNG capture.</td> </tr> 595 * <tr> <td>`PRIV`</td><td id="rb">`PREVIEW`</td> <td>`YUV `</td><td id="rb">`PREVIEW`</td> <td>`RAW `</td><td id="rb">`MAXIMUM`</td> <td>Preview with in-app processing and DNG capture.</td> </tr> 596 * <tr> <td>`YUV `</td><td id="rb">`PREVIEW`</td> <td>`YUV `</td><td id="rb">`PREVIEW`</td> <td>`RAW `</td><td id="rb">`MAXIMUM`</td> <td>Two-input in-app processing plus DNG capture.</td> </tr> 597 * <tr> <td>`PRIV`</td><td id="rb">`PREVIEW`</td> <td>`JPEG`</td><td id="rb">`MAXIMUM`</td> <td>`RAW `</td><td id="rb">`MAXIMUM`</td> <td>Still capture with simultaneous JPEG and DNG.</td> </tr> 598 * <tr> <td>`YUV `</td><td id="rb">`PREVIEW`</td> <td>`JPEG`</td><td id="rb">`MAXIMUM`</td> <td>`RAW `</td><td id="rb">`MAXIMUM`</td> <td>In-app processing with simultaneous JPEG and DNG.</td> </tr> 599 * </table><br> 600 * </p> 601 * 602 * <p>BURST-capability ({@link ACAMERA_REQUEST_AVAILABLE_CAPABILITIES} includes 603 * {@link ACAMERA_REQUEST_AVAILABLE_CAPABILITIES_BURST_CAPTURE BURST_CAPTURE}) devices 604 * support at least the below stream combinations in addition to those for 605 * {@link ACAMERA_INFO_SUPPORTED_HARDWARE_LEVEL_LIMITED LIMITED} devices. Note that all 606 * FULL-level devices support the BURST capability, and the below list is a strict subset of the 607 * list for FULL-level devices, so this table is only relevant for LIMITED-level devices that 608 * support the BURST_CAPTURE capability. 609 * 610 * <table> 611 * <tr><th colspan="5">BURST-capability additional guaranteed configurations</th></tr> 612 * <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> 613 * <tr><th>Type</th><th id="rb">Max size</th><th>Type</th><th id="rb">Max size</th> </tr> 614 * <tr> <td>`PRIV`</td><td id="rb">`PREVIEW`</td> <td>`PRIV`</td><td id="rb">`MAXIMUM`</td> <td>Maximum-resolution GPU processing with preview.</td> </tr> 615 * <tr> <td>`PRIV`</td><td id="rb">`PREVIEW`</td> <td>`YUV `</td><td id="rb">`MAXIMUM`</td> <td>Maximum-resolution in-app processing with preview.</td> </tr> 616 * <tr> <td>`YUV `</td><td id="rb">`PREVIEW`</td> <td>`YUV `</td><td id="rb">`MAXIMUM`</td> <td>Maximum-resolution two-input in-app processsing.</td> </tr> 617 * </table><br> 618 * </p> 619 * 620 * <p>LEVEL-3 ({@link ACAMERA_INFO_SUPPORTED_HARDWARE_LEVEL} 621 * `== `{@link ACAMERA_INFO_SUPPORTED_HARDWARE_LEVEL_3 LEVEL_3}) 622 * support at least the following stream combinations in addition to the combinations for 623 * {@link ACAMERA_INFO_SUPPORTED_HARDWARE_LEVEL_FULL FULL} and for 624 * RAW capability ({@link ACAMERA_REQUEST_AVAILABLE_CAPABILITIES} includes 625 * {@link ACAMERA_REQUEST_AVAILABLE_CAPABILITIES_RAW RAW}): 626 * 627 * <table> 628 * <tr><th colspan="11">LEVEL-3 additional guaranteed configurations</th></tr> 629 * <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> 630 * <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> 631 * <tr> <td>`PRIV`</td><td id="rb">`PREVIEW`</td> <td>`PRIV`</td><td id="rb">`640x480`</td> <td>`YUV`</td><td id="rb">`MAXIMUM`</td> <td>`RAW`</td><td id="rb">`MAXIMUM`</td> <td>In-app viewfinder analysis with dynamic selection of output format.</td> </tr> 632 * <tr> <td>`PRIV`</td><td id="rb">`PREVIEW`</td> <td>`PRIV`</td><td id="rb">`640x480`</td> <td>`JPEG`</td><td id="rb">`MAXIMUM`</td> <td>`RAW`</td><td id="rb">`MAXIMUM`</td> <td>In-app viewfinder analysis with dynamic selection of output format.</td> </tr> 633 * </table><br> 634 * </p> 635 * 636 * <p>Since the capabilities of camera devices vary greatly, a given camera device may support 637 * target combinations with sizes outside of these guarantees, but this can only be tested for 638 * by attempting to create a session with such targets.</p> 639 * 640 * @param device the camera device of interest. 641 * @param outputs the {@link ACaptureSessionOutputContainer} describes all output streams. 642 * @param callbacks the {@link ACameraCaptureSession_stateCallbacks capture session state callbacks}. 643 * @param session the created {@link ACameraCaptureSession} will be filled here if the method call 644 * succeeds. 645 * 646 * @return <ul> 647 * <li>{@link ACAMERA_OK} if the method call succeeds. The created capture session will be 648 * filled in session argument.</li> 649 * <li>{@link ACAMERA_ERROR_INVALID_PARAMETER} if any of device, outputs, callbacks or 650 * session is NULL.</li> 651 * <li>{@link ACAMERA_ERROR_CAMERA_DISCONNECTED} if the camera device is closed.</li> 652 * <li>{@link ACAMERA_ERROR_CAMERA_DEVICE} if the camera device encounters fatal error.</li> 653 * <li>{@link ACAMERA_ERROR_CAMERA_SERVICE} if the camera service encounters fatal error.</li> 654 * <li>{@link ACAMERA_ERROR_UNKNOWN} if the method fails for some other reasons.</li></ul> 655 */ 656 camera_status_t ACameraDevice_createCaptureSession( 657 ACameraDevice* device, 658 const ACaptureSessionOutputContainer* outputs, 659 const ACameraCaptureSession_stateCallbacks* callbacks, 660 /*out*/ACameraCaptureSession** session); 661 662 #endif /* __ANDROID_API__ >= 24 */ 663 664 __END_DECLS 665 666 #endif /* _NDK_CAMERA_DEVICE_H */ 667 668 /** @} */ 669 670