Camera2Client.cpp revision 4bcbb07be57947ea1421519094f73577b1e263e6
1/* 2 * Copyright (C) 2012 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#define LOG_TAG "Camera2Client" 18#define ATRACE_TAG ATRACE_TAG_CAMERA 19//#define LOG_NDEBUG 0 20 21#include <inttypes.h> 22#include <utils/Log.h> 23#include <utils/Trace.h> 24 25#include <cutils/properties.h> 26#include <gui/Surface.h> 27 28#include "api1/Camera2Client.h" 29 30#include "api1/client2/StreamingProcessor.h" 31#include "api1/client2/JpegProcessor.h" 32#include "api1/client2/CaptureSequencer.h" 33#include "api1/client2/CallbackProcessor.h" 34#include "api1/client2/ZslProcessor.h" 35#include "api1/client2/ZslProcessor3.h" 36 37#define ALOG1(...) ALOGD_IF(gLogLevel >= 1, __VA_ARGS__); 38#define ALOG2(...) ALOGD_IF(gLogLevel >= 2, __VA_ARGS__); 39 40namespace android { 41using namespace camera2; 42 43static int getCallingPid() { 44 return IPCThreadState::self()->getCallingPid(); 45} 46 47// Interface used by CameraService 48 49Camera2Client::Camera2Client(const sp<CameraService>& cameraService, 50 const sp<ICameraClient>& cameraClient, 51 const String16& clientPackageName, 52 int cameraId, 53 int cameraFacing, 54 int clientPid, 55 uid_t clientUid, 56 int servicePid, 57 bool legacyMode): 58 Camera2ClientBase(cameraService, cameraClient, clientPackageName, 59 cameraId, cameraFacing, clientPid, clientUid, servicePid), 60 mParameters(cameraId, cameraFacing) 61{ 62 ATRACE_CALL(); 63 64 SharedParameters::Lock l(mParameters); 65 l.mParameters.state = Parameters::DISCONNECTED; 66 67 mLegacyMode = legacyMode; 68} 69 70status_t Camera2Client::initialize(camera_module_t *module) 71{ 72 ATRACE_CALL(); 73 ALOGV("%s: Initializing client for camera %d", __FUNCTION__, mCameraId); 74 status_t res; 75 76 res = Camera2ClientBase::initialize(module); 77 if (res != OK) { 78 return res; 79 } 80 81 { 82 SharedParameters::Lock l(mParameters); 83 84 res = l.mParameters.initialize(&(mDevice->info()), mDeviceVersion); 85 if (res != OK) { 86 ALOGE("%s: Camera %d: unable to build defaults: %s (%d)", 87 __FUNCTION__, mCameraId, strerror(-res), res); 88 return NO_INIT; 89 } 90 } 91 92 String8 threadName; 93 94 mStreamingProcessor = new StreamingProcessor(this); 95 threadName = String8::format("C2-%d-StreamProc", 96 mCameraId); 97 mStreamingProcessor->run(threadName.string()); 98 99 mFrameProcessor = new FrameProcessor(mDevice, this); 100 threadName = String8::format("C2-%d-FrameProc", 101 mCameraId); 102 mFrameProcessor->run(threadName.string()); 103 104 mCaptureSequencer = new CaptureSequencer(this); 105 threadName = String8::format("C2-%d-CaptureSeq", 106 mCameraId); 107 mCaptureSequencer->run(threadName.string()); 108 109 mJpegProcessor = new JpegProcessor(this, mCaptureSequencer); 110 threadName = String8::format("C2-%d-JpegProc", 111 mCameraId); 112 mJpegProcessor->run(threadName.string()); 113 114 switch (mDeviceVersion) { 115 case CAMERA_DEVICE_API_VERSION_2_0: { 116 sp<ZslProcessor> zslProc = 117 new ZslProcessor(this, mCaptureSequencer); 118 mZslProcessor = zslProc; 119 mZslProcessorThread = zslProc; 120 break; 121 } 122 case CAMERA_DEVICE_API_VERSION_3_0: 123 case CAMERA_DEVICE_API_VERSION_3_1: 124 case CAMERA_DEVICE_API_VERSION_3_2: { 125 sp<ZslProcessor3> zslProc = 126 new ZslProcessor3(this, mCaptureSequencer); 127 mZslProcessor = zslProc; 128 mZslProcessorThread = zslProc; 129 break; 130 } 131 default: 132 break; 133 } 134 threadName = String8::format("C2-%d-ZslProc", 135 mCameraId); 136 mZslProcessorThread->run(threadName.string()); 137 138 mCallbackProcessor = new CallbackProcessor(this); 139 threadName = String8::format("C2-%d-CallbkProc", 140 mCameraId); 141 mCallbackProcessor->run(threadName.string()); 142 143 if (gLogLevel >= 1) { 144 SharedParameters::Lock l(mParameters); 145 ALOGD("%s: Default parameters converted from camera %d:", __FUNCTION__, 146 mCameraId); 147 ALOGD("%s", l.mParameters.paramsFlattened.string()); 148 } 149 150 return OK; 151} 152 153Camera2Client::~Camera2Client() { 154 ATRACE_CALL(); 155 ALOGV("~Camera2Client"); 156 157 mDestructionStarted = true; 158 159 disconnect(); 160 161 ALOGI("Camera %d: Closed", mCameraId); 162} 163 164status_t Camera2Client::dump(int fd, const Vector<String16>& args) { 165 String8 result; 166 result.appendFormat("Client2[%d] (%p) Client: %s PID: %d, dump:\n", 167 mCameraId, 168 getRemoteCallback()->asBinder().get(), 169 String8(mClientPackageName).string(), 170 mClientPid); 171 result.append(" State: "); 172#define CASE_APPEND_ENUM(x) case x: result.append(#x "\n"); break; 173 174 const Parameters& p = mParameters.unsafeAccess(); 175 176 result.append(Parameters::getStateName(p.state)); 177 178 result.append("\n Current parameters:\n"); 179 result.appendFormat(" Preview size: %d x %d\n", 180 p.previewWidth, p.previewHeight); 181 result.appendFormat(" Preview FPS range: %d - %d\n", 182 p.previewFpsRange[0], p.previewFpsRange[1]); 183 result.appendFormat(" Preview HAL pixel format: 0x%x\n", 184 p.previewFormat); 185 result.appendFormat(" Preview transform: %x\n", 186 p.previewTransform); 187 result.appendFormat(" Picture size: %d x %d\n", 188 p.pictureWidth, p.pictureHeight); 189 result.appendFormat(" Jpeg thumbnail size: %d x %d\n", 190 p.jpegThumbSize[0], p.jpegThumbSize[1]); 191 result.appendFormat(" Jpeg quality: %d, thumbnail quality: %d\n", 192 p.jpegQuality, p.jpegThumbQuality); 193 result.appendFormat(" Jpeg rotation: %d\n", p.jpegRotation); 194 result.appendFormat(" GPS tags %s\n", 195 p.gpsEnabled ? "enabled" : "disabled"); 196 if (p.gpsEnabled) { 197 result.appendFormat(" GPS lat x long x alt: %f x %f x %f\n", 198 p.gpsCoordinates[0], p.gpsCoordinates[1], 199 p.gpsCoordinates[2]); 200 result.appendFormat(" GPS timestamp: %" PRId64 "\n", 201 p.gpsTimestamp); 202 result.appendFormat(" GPS processing method: %s\n", 203 p.gpsProcessingMethod.string()); 204 } 205 206 result.append(" White balance mode: "); 207 switch (p.wbMode) { 208 CASE_APPEND_ENUM(ANDROID_CONTROL_AWB_MODE_AUTO) 209 CASE_APPEND_ENUM(ANDROID_CONTROL_AWB_MODE_INCANDESCENT) 210 CASE_APPEND_ENUM(ANDROID_CONTROL_AWB_MODE_FLUORESCENT) 211 CASE_APPEND_ENUM(ANDROID_CONTROL_AWB_MODE_WARM_FLUORESCENT) 212 CASE_APPEND_ENUM(ANDROID_CONTROL_AWB_MODE_DAYLIGHT) 213 CASE_APPEND_ENUM(ANDROID_CONTROL_AWB_MODE_CLOUDY_DAYLIGHT) 214 CASE_APPEND_ENUM(ANDROID_CONTROL_AWB_MODE_TWILIGHT) 215 CASE_APPEND_ENUM(ANDROID_CONTROL_AWB_MODE_SHADE) 216 default: result.append("UNKNOWN\n"); 217 } 218 219 result.append(" Effect mode: "); 220 switch (p.effectMode) { 221 CASE_APPEND_ENUM(ANDROID_CONTROL_EFFECT_MODE_OFF) 222 CASE_APPEND_ENUM(ANDROID_CONTROL_EFFECT_MODE_MONO) 223 CASE_APPEND_ENUM(ANDROID_CONTROL_EFFECT_MODE_NEGATIVE) 224 CASE_APPEND_ENUM(ANDROID_CONTROL_EFFECT_MODE_SOLARIZE) 225 CASE_APPEND_ENUM(ANDROID_CONTROL_EFFECT_MODE_SEPIA) 226 CASE_APPEND_ENUM(ANDROID_CONTROL_EFFECT_MODE_POSTERIZE) 227 CASE_APPEND_ENUM(ANDROID_CONTROL_EFFECT_MODE_WHITEBOARD) 228 CASE_APPEND_ENUM(ANDROID_CONTROL_EFFECT_MODE_BLACKBOARD) 229 CASE_APPEND_ENUM(ANDROID_CONTROL_EFFECT_MODE_AQUA) 230 default: result.append("UNKNOWN\n"); 231 } 232 233 result.append(" Antibanding mode: "); 234 switch (p.antibandingMode) { 235 CASE_APPEND_ENUM(ANDROID_CONTROL_AE_ANTIBANDING_MODE_AUTO) 236 CASE_APPEND_ENUM(ANDROID_CONTROL_AE_ANTIBANDING_MODE_OFF) 237 CASE_APPEND_ENUM(ANDROID_CONTROL_AE_ANTIBANDING_MODE_50HZ) 238 CASE_APPEND_ENUM(ANDROID_CONTROL_AE_ANTIBANDING_MODE_60HZ) 239 default: result.append("UNKNOWN\n"); 240 } 241 242 result.append(" Scene mode: "); 243 switch (p.sceneMode) { 244 case ANDROID_CONTROL_SCENE_MODE_DISABLED: 245 result.append("AUTO\n"); break; 246 CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_ACTION) 247 CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_PORTRAIT) 248 CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_LANDSCAPE) 249 CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_NIGHT) 250 CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_NIGHT_PORTRAIT) 251 CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_THEATRE) 252 CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_BEACH) 253 CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_SNOW) 254 CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_SUNSET) 255 CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_STEADYPHOTO) 256 CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_FIREWORKS) 257 CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_SPORTS) 258 CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_PARTY) 259 CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_CANDLELIGHT) 260 CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_BARCODE) 261 default: result.append("UNKNOWN\n"); 262 } 263 264 result.append(" Flash mode: "); 265 switch (p.flashMode) { 266 CASE_APPEND_ENUM(Parameters::FLASH_MODE_OFF) 267 CASE_APPEND_ENUM(Parameters::FLASH_MODE_AUTO) 268 CASE_APPEND_ENUM(Parameters::FLASH_MODE_ON) 269 CASE_APPEND_ENUM(Parameters::FLASH_MODE_TORCH) 270 CASE_APPEND_ENUM(Parameters::FLASH_MODE_RED_EYE) 271 CASE_APPEND_ENUM(Parameters::FLASH_MODE_INVALID) 272 default: result.append("UNKNOWN\n"); 273 } 274 275 result.append(" Focus mode: "); 276 switch (p.focusMode) { 277 CASE_APPEND_ENUM(Parameters::FOCUS_MODE_AUTO) 278 CASE_APPEND_ENUM(Parameters::FOCUS_MODE_MACRO) 279 CASE_APPEND_ENUM(Parameters::FOCUS_MODE_CONTINUOUS_VIDEO) 280 CASE_APPEND_ENUM(Parameters::FOCUS_MODE_CONTINUOUS_PICTURE) 281 CASE_APPEND_ENUM(Parameters::FOCUS_MODE_EDOF) 282 CASE_APPEND_ENUM(Parameters::FOCUS_MODE_INFINITY) 283 CASE_APPEND_ENUM(Parameters::FOCUS_MODE_FIXED) 284 CASE_APPEND_ENUM(Parameters::FOCUS_MODE_INVALID) 285 default: result.append("UNKNOWN\n"); 286 } 287 288 result.append(" Focus state: "); 289 switch (p.focusState) { 290 CASE_APPEND_ENUM(ANDROID_CONTROL_AF_STATE_INACTIVE) 291 CASE_APPEND_ENUM(ANDROID_CONTROL_AF_STATE_PASSIVE_SCAN) 292 CASE_APPEND_ENUM(ANDROID_CONTROL_AF_STATE_PASSIVE_FOCUSED) 293 CASE_APPEND_ENUM(ANDROID_CONTROL_AF_STATE_PASSIVE_UNFOCUSED) 294 CASE_APPEND_ENUM(ANDROID_CONTROL_AF_STATE_ACTIVE_SCAN) 295 CASE_APPEND_ENUM(ANDROID_CONTROL_AF_STATE_FOCUSED_LOCKED) 296 CASE_APPEND_ENUM(ANDROID_CONTROL_AF_STATE_NOT_FOCUSED_LOCKED) 297 default: result.append("UNKNOWN\n"); 298 } 299 300 result.append(" Focusing areas:\n"); 301 for (size_t i = 0; i < p.focusingAreas.size(); i++) { 302 result.appendFormat(" [ (%d, %d, %d, %d), weight %d ]\n", 303 p.focusingAreas[i].left, 304 p.focusingAreas[i].top, 305 p.focusingAreas[i].right, 306 p.focusingAreas[i].bottom, 307 p.focusingAreas[i].weight); 308 } 309 310 result.appendFormat(" Exposure compensation index: %d\n", 311 p.exposureCompensation); 312 313 result.appendFormat(" AE lock %s, AWB lock %s\n", 314 p.autoExposureLock ? "enabled" : "disabled", 315 p.autoWhiteBalanceLock ? "enabled" : "disabled" ); 316 317 result.appendFormat(" Metering areas:\n"); 318 for (size_t i = 0; i < p.meteringAreas.size(); i++) { 319 result.appendFormat(" [ (%d, %d, %d, %d), weight %d ]\n", 320 p.meteringAreas[i].left, 321 p.meteringAreas[i].top, 322 p.meteringAreas[i].right, 323 p.meteringAreas[i].bottom, 324 p.meteringAreas[i].weight); 325 } 326 327 result.appendFormat(" Zoom index: %d\n", p.zoom); 328 result.appendFormat(" Video size: %d x %d\n", p.videoWidth, 329 p.videoHeight); 330 331 result.appendFormat(" Recording hint is %s\n", 332 p.recordingHint ? "set" : "not set"); 333 334 result.appendFormat(" Video stabilization is %s\n", 335 p.videoStabilization ? "enabled" : "disabled"); 336 337 result.appendFormat(" Selected still capture FPS range: %d - %d\n", 338 p.fastInfo.bestStillCaptureFpsRange[0], 339 p.fastInfo.bestStillCaptureFpsRange[1]); 340 341 result.append(" Current streams:\n"); 342 result.appendFormat(" Preview stream ID: %d\n", 343 getPreviewStreamId()); 344 result.appendFormat(" Capture stream ID: %d\n", 345 getCaptureStreamId()); 346 result.appendFormat(" Recording stream ID: %d\n", 347 getRecordingStreamId()); 348 349 result.append(" Quirks for this camera:\n"); 350 bool haveQuirk = false; 351 if (p.quirks.triggerAfWithAuto) { 352 result.appendFormat(" triggerAfWithAuto\n"); 353 haveQuirk = true; 354 } 355 if (p.quirks.useZslFormat) { 356 result.appendFormat(" useZslFormat\n"); 357 haveQuirk = true; 358 } 359 if (p.quirks.meteringCropRegion) { 360 result.appendFormat(" meteringCropRegion\n"); 361 haveQuirk = true; 362 } 363 if (p.quirks.partialResults) { 364 result.appendFormat(" usePartialResult\n"); 365 haveQuirk = true; 366 } 367 if (!haveQuirk) { 368 result.appendFormat(" none\n"); 369 } 370 371 write(fd, result.string(), result.size()); 372 373 mStreamingProcessor->dump(fd, args); 374 375 mCaptureSequencer->dump(fd, args); 376 377 mFrameProcessor->dump(fd, args); 378 379 mZslProcessor->dump(fd, args); 380 381 return dumpDevice(fd, args); 382#undef CASE_APPEND_ENUM 383} 384 385// ICamera interface 386 387void Camera2Client::disconnect() { 388 ATRACE_CALL(); 389 Mutex::Autolock icl(mBinderSerializationLock); 390 391 // Allow both client and the media server to disconnect at all times 392 int callingPid = getCallingPid(); 393 if (callingPid != mClientPid && callingPid != mServicePid) return; 394 395 if (mDevice == 0) return; 396 397 ALOGV("Camera %d: Shutting down", mCameraId); 398 399 /** 400 * disconnect() cannot call any methods that might need to promote a 401 * wp<Camera2Client>, since disconnect can be called from the destructor, at 402 * which point all such promotions will fail. 403 */ 404 405 stopPreviewL(); 406 407 { 408 SharedParameters::Lock l(mParameters); 409 if (l.mParameters.state == Parameters::DISCONNECTED) return; 410 l.mParameters.state = Parameters::DISCONNECTED; 411 } 412 413 mStreamingProcessor->requestExit(); 414 mFrameProcessor->requestExit(); 415 mCaptureSequencer->requestExit(); 416 mJpegProcessor->requestExit(); 417 mZslProcessorThread->requestExit(); 418 mCallbackProcessor->requestExit(); 419 420 ALOGV("Camera %d: Waiting for threads", mCameraId); 421 422 mStreamingProcessor->join(); 423 mFrameProcessor->join(); 424 mCaptureSequencer->join(); 425 mJpegProcessor->join(); 426 mZslProcessorThread->join(); 427 mCallbackProcessor->join(); 428 429 ALOGV("Camera %d: Deleting streams", mCameraId); 430 431 mStreamingProcessor->deletePreviewStream(); 432 mStreamingProcessor->deleteRecordingStream(); 433 mJpegProcessor->deleteStream(); 434 mCallbackProcessor->deleteStream(); 435 mZslProcessor->deleteStream(); 436 437 // Remove all ZSL stream state before disconnect; needed to work around b/15408128. 438 mZslProcessor->disconnect(); 439 440 ALOGV("Camera %d: Disconnecting device", mCameraId); 441 442 mDevice->disconnect(); 443 444 mDevice.clear(); 445 446 CameraService::Client::disconnect(); 447} 448 449status_t Camera2Client::connect(const sp<ICameraClient>& client) { 450 ATRACE_CALL(); 451 ALOGV("%s: E", __FUNCTION__); 452 Mutex::Autolock icl(mBinderSerializationLock); 453 454 if (mClientPid != 0 && getCallingPid() != mClientPid) { 455 ALOGE("%s: Camera %d: Connection attempt from pid %d; " 456 "current locked to pid %d", __FUNCTION__, 457 mCameraId, getCallingPid(), mClientPid); 458 return BAD_VALUE; 459 } 460 461 mClientPid = getCallingPid(); 462 463 mRemoteCallback = client; 464 mSharedCameraCallbacks = client; 465 466 return OK; 467} 468 469status_t Camera2Client::lock() { 470 ATRACE_CALL(); 471 ALOGV("%s: E", __FUNCTION__); 472 Mutex::Autolock icl(mBinderSerializationLock); 473 ALOGV("%s: Camera %d: Lock call from pid %d; current client pid %d", 474 __FUNCTION__, mCameraId, getCallingPid(), mClientPid); 475 476 if (mClientPid == 0) { 477 mClientPid = getCallingPid(); 478 return OK; 479 } 480 481 if (mClientPid != getCallingPid()) { 482 ALOGE("%s: Camera %d: Lock call from pid %d; currently locked to pid %d", 483 __FUNCTION__, mCameraId, getCallingPid(), mClientPid); 484 return EBUSY; 485 } 486 487 return OK; 488} 489 490status_t Camera2Client::unlock() { 491 ATRACE_CALL(); 492 ALOGV("%s: E", __FUNCTION__); 493 Mutex::Autolock icl(mBinderSerializationLock); 494 ALOGV("%s: Camera %d: Unlock call from pid %d; current client pid %d", 495 __FUNCTION__, mCameraId, getCallingPid(), mClientPid); 496 497 if (mClientPid == getCallingPid()) { 498 SharedParameters::Lock l(mParameters); 499 if (l.mParameters.state == Parameters::RECORD || 500 l.mParameters.state == Parameters::VIDEO_SNAPSHOT) { 501 ALOGD("Not allowed to unlock camera during recording."); 502 return INVALID_OPERATION; 503 } 504 mClientPid = 0; 505 mRemoteCallback.clear(); 506 mSharedCameraCallbacks.clear(); 507 return OK; 508 } 509 510 ALOGE("%s: Camera %d: Unlock call from pid %d; currently locked to pid %d", 511 __FUNCTION__, mCameraId, getCallingPid(), mClientPid); 512 return EBUSY; 513} 514 515status_t Camera2Client::setPreviewTarget( 516 const sp<IGraphicBufferProducer>& bufferProducer) { 517 ATRACE_CALL(); 518 ALOGV("%s: E", __FUNCTION__); 519 Mutex::Autolock icl(mBinderSerializationLock); 520 status_t res; 521 if ( (res = checkPid(__FUNCTION__) ) != OK) return res; 522 523 sp<IBinder> binder; 524 sp<ANativeWindow> window; 525 if (bufferProducer != 0) { 526 binder = bufferProducer->asBinder(); 527 // Using controlledByApp flag to ensure that the buffer queue remains in 528 // async mode for the old camera API, where many applications depend 529 // on that behavior. 530 window = new Surface(bufferProducer, /*controlledByApp*/ true); 531 } 532 return setPreviewWindowL(binder, window); 533} 534 535status_t Camera2Client::setPreviewWindowL(const sp<IBinder>& binder, 536 sp<ANativeWindow> window) { 537 ATRACE_CALL(); 538 status_t res; 539 540 if (binder == mPreviewSurface) { 541 ALOGV("%s: Camera %d: New window is same as old window", 542 __FUNCTION__, mCameraId); 543 return NO_ERROR; 544 } 545 546 Parameters::State state; 547 { 548 SharedParameters::Lock l(mParameters); 549 state = l.mParameters.state; 550 } 551 switch (state) { 552 case Parameters::DISCONNECTED: 553 case Parameters::RECORD: 554 case Parameters::STILL_CAPTURE: 555 case Parameters::VIDEO_SNAPSHOT: 556 ALOGE("%s: Camera %d: Cannot set preview display while in state %s", 557 __FUNCTION__, mCameraId, 558 Parameters::getStateName(state)); 559 return INVALID_OPERATION; 560 case Parameters::STOPPED: 561 case Parameters::WAITING_FOR_PREVIEW_WINDOW: 562 // OK 563 break; 564 case Parameters::PREVIEW: 565 // Already running preview - need to stop and create a new stream 566 res = stopStream(); 567 if (res != OK) { 568 ALOGE("%s: Unable to stop preview to swap windows: %s (%d)", 569 __FUNCTION__, strerror(-res), res); 570 return res; 571 } 572 state = Parameters::WAITING_FOR_PREVIEW_WINDOW; 573 break; 574 } 575 576 mPreviewSurface = binder; 577 res = mStreamingProcessor->setPreviewWindow(window); 578 if (res != OK) { 579 ALOGE("%s: Unable to set new preview window: %s (%d)", 580 __FUNCTION__, strerror(-res), res); 581 return res; 582 } 583 584 if (state == Parameters::WAITING_FOR_PREVIEW_WINDOW) { 585 SharedParameters::Lock l(mParameters); 586 l.mParameters.state = state; 587 return startPreviewL(l.mParameters, false); 588 } 589 590 return OK; 591} 592 593void Camera2Client::setPreviewCallbackFlag(int flag) { 594 ATRACE_CALL(); 595 ALOGV("%s: Camera %d: Flag 0x%x", __FUNCTION__, mCameraId, flag); 596 Mutex::Autolock icl(mBinderSerializationLock); 597 598 if ( checkPid(__FUNCTION__) != OK) return; 599 600 SharedParameters::Lock l(mParameters); 601 setPreviewCallbackFlagL(l.mParameters, flag); 602} 603 604void Camera2Client::setPreviewCallbackFlagL(Parameters ¶ms, int flag) { 605 status_t res = OK; 606 607 switch(params.state) { 608 case Parameters::STOPPED: 609 case Parameters::WAITING_FOR_PREVIEW_WINDOW: 610 case Parameters::PREVIEW: 611 case Parameters::STILL_CAPTURE: 612 // OK 613 break; 614 default: 615 if (flag & CAMERA_FRAME_CALLBACK_FLAG_ENABLE_MASK) { 616 ALOGE("%s: Camera %d: Can't use preview callbacks " 617 "in state %d", __FUNCTION__, mCameraId, params.state); 618 return; 619 } 620 } 621 622 if (flag & CAMERA_FRAME_CALLBACK_FLAG_ONE_SHOT_MASK) { 623 ALOGV("%s: setting oneshot", __FUNCTION__); 624 params.previewCallbackOneShot = true; 625 } 626 if (params.previewCallbackFlags != (uint32_t)flag) { 627 628 if (params.previewCallbackSurface && flag != CAMERA_FRAME_CALLBACK_FLAG_NOOP) { 629 // Disable any existing preview callback window when enabling 630 // preview callback flags 631 res = mCallbackProcessor->setCallbackWindow(NULL); 632 if (res != OK) { 633 ALOGE("%s: Camera %d: Unable to clear preview callback surface:" 634 " %s (%d)", __FUNCTION__, mCameraId, strerror(-res), res); 635 return; 636 } 637 params.previewCallbackSurface = false; 638 } 639 640 params.previewCallbackFlags = flag; 641 642 if (params.state == Parameters::PREVIEW) { 643 res = startPreviewL(params, true); 644 if (res != OK) { 645 ALOGE("%s: Camera %d: Unable to refresh request in state %s", 646 __FUNCTION__, mCameraId, 647 Parameters::getStateName(params.state)); 648 } 649 } 650 } 651} 652 653status_t Camera2Client::setPreviewCallbackTarget( 654 const sp<IGraphicBufferProducer>& callbackProducer) { 655 ATRACE_CALL(); 656 ALOGV("%s: E", __FUNCTION__); 657 Mutex::Autolock icl(mBinderSerializationLock); 658 status_t res; 659 if ( (res = checkPid(__FUNCTION__) ) != OK) return res; 660 661 sp<ANativeWindow> window; 662 if (callbackProducer != 0) { 663 window = new Surface(callbackProducer); 664 } 665 666 res = mCallbackProcessor->setCallbackWindow(window); 667 if (res != OK) { 668 ALOGE("%s: Camera %d: Unable to set preview callback surface: %s (%d)", 669 __FUNCTION__, mCameraId, strerror(-res), res); 670 return res; 671 } 672 673 SharedParameters::Lock l(mParameters); 674 675 if (window != NULL) { 676 // Disable traditional callbacks when a valid callback target is given 677 l.mParameters.previewCallbackFlags = CAMERA_FRAME_CALLBACK_FLAG_NOOP; 678 l.mParameters.previewCallbackOneShot = false; 679 l.mParameters.previewCallbackSurface = true; 680 } else { 681 // Disable callback target if given a NULL interface. 682 l.mParameters.previewCallbackSurface = false; 683 } 684 685 switch(l.mParameters.state) { 686 case Parameters::PREVIEW: 687 res = startPreviewL(l.mParameters, true); 688 break; 689 case Parameters::RECORD: 690 case Parameters::VIDEO_SNAPSHOT: 691 res = startRecordingL(l.mParameters, true); 692 break; 693 default: 694 break; 695 } 696 if (res != OK) { 697 ALOGE("%s: Camera %d: Unable to refresh request in state %s", 698 __FUNCTION__, mCameraId, 699 Parameters::getStateName(l.mParameters.state)); 700 } 701 702 return OK; 703} 704 705 706status_t Camera2Client::startPreview() { 707 ATRACE_CALL(); 708 ALOGV("%s: E", __FUNCTION__); 709 Mutex::Autolock icl(mBinderSerializationLock); 710 status_t res; 711 if ( (res = checkPid(__FUNCTION__) ) != OK) return res; 712 SharedParameters::Lock l(mParameters); 713 return startPreviewL(l.mParameters, false); 714} 715 716status_t Camera2Client::startPreviewL(Parameters ¶ms, bool restart) { 717 ATRACE_CALL(); 718 status_t res; 719 720 ALOGV("%s: state == %d, restart = %d", __FUNCTION__, params.state, restart); 721 722 if ( (params.state == Parameters::PREVIEW || 723 params.state == Parameters::RECORD || 724 params.state == Parameters::VIDEO_SNAPSHOT) 725 && !restart) { 726 // Succeed attempt to re-enter a streaming state 727 ALOGI("%s: Camera %d: Preview already active, ignoring restart", 728 __FUNCTION__, mCameraId); 729 return OK; 730 } 731 if (params.state > Parameters::PREVIEW && !restart) { 732 ALOGE("%s: Can't start preview in state %s", 733 __FUNCTION__, 734 Parameters::getStateName(params.state)); 735 return INVALID_OPERATION; 736 } 737 738 if (!mStreamingProcessor->haveValidPreviewWindow()) { 739 params.state = Parameters::WAITING_FOR_PREVIEW_WINDOW; 740 return OK; 741 } 742 params.state = Parameters::STOPPED; 743 int lastPreviewStreamId = mStreamingProcessor->getPreviewStreamId(); 744 745 res = mStreamingProcessor->updatePreviewStream(params); 746 if (res != OK) { 747 ALOGE("%s: Camera %d: Unable to update preview stream: %s (%d)", 748 __FUNCTION__, mCameraId, strerror(-res), res); 749 return res; 750 } 751 752 bool previewStreamChanged = mStreamingProcessor->getPreviewStreamId() != lastPreviewStreamId; 753 754 // We could wait to create the JPEG output stream until first actual use 755 // (first takePicture call). However, this would substantially increase the 756 // first capture latency on HAL3 devices, and potentially on some HAL2 757 // devices. So create it unconditionally at preview start. As a drawback, 758 // this increases gralloc memory consumption for applications that don't 759 // ever take a picture. 760 // TODO: Find a better compromise, though this likely would involve HAL 761 // changes. 762 int lastJpegStreamId = mJpegProcessor->getStreamId(); 763 res = updateProcessorStream(mJpegProcessor, params); 764 if (res != OK) { 765 ALOGE("%s: Camera %d: Can't pre-configure still image " 766 "stream: %s (%d)", 767 __FUNCTION__, mCameraId, strerror(-res), res); 768 return res; 769 } 770 bool jpegStreamChanged = mJpegProcessor->getStreamId() != lastJpegStreamId; 771 772 Vector<int32_t> outputStreams; 773 bool callbacksEnabled = (params.previewCallbackFlags & 774 CAMERA_FRAME_CALLBACK_FLAG_ENABLE_MASK) || 775 params.previewCallbackSurface; 776 777 if (callbacksEnabled) { 778 // Can't have recording stream hanging around when enabling callbacks, 779 // since it exceeds the max stream count on some devices. 780 if (mStreamingProcessor->getRecordingStreamId() != NO_STREAM) { 781 ALOGV("%s: Camera %d: Clearing out recording stream before " 782 "creating callback stream", __FUNCTION__, mCameraId); 783 res = mStreamingProcessor->stopStream(); 784 if (res != OK) { 785 ALOGE("%s: Camera %d: Can't stop streaming to delete " 786 "recording stream", __FUNCTION__, mCameraId); 787 return res; 788 } 789 res = mStreamingProcessor->deleteRecordingStream(); 790 if (res != OK) { 791 ALOGE("%s: Camera %d: Unable to delete recording stream before " 792 "enabling callbacks: %s (%d)", __FUNCTION__, mCameraId, 793 strerror(-res), res); 794 return res; 795 } 796 } 797 798 res = mCallbackProcessor->updateStream(params); 799 if (res != OK) { 800 ALOGE("%s: Camera %d: Unable to update callback stream: %s (%d)", 801 __FUNCTION__, mCameraId, strerror(-res), res); 802 return res; 803 } 804 outputStreams.push(getCallbackStreamId()); 805 } else if (previewStreamChanged && mCallbackProcessor->getStreamId() != NO_STREAM) { 806 /** 807 * Delete the unused callback stream when preview stream is changed and 808 * preview is not enabled. Don't need stop preview stream as preview is in 809 * STOPPED state now. 810 */ 811 ALOGV("%s: Camera %d: Delete unused preview callback stream.", __FUNCTION__, mCameraId); 812 res = mCallbackProcessor->deleteStream(); 813 if (res != OK) { 814 ALOGE("%s: Camera %d: Unable to delete callback stream %s (%d)", 815 __FUNCTION__, mCameraId, strerror(-res), res); 816 return res; 817 } 818 } 819 820 if (params.zslMode && !params.recordingHint && 821 getRecordingStreamId() == NO_STREAM) { 822 res = updateProcessorStream(mZslProcessor, params); 823 if (res != OK) { 824 ALOGE("%s: Camera %d: Unable to update ZSL stream: %s (%d)", 825 __FUNCTION__, mCameraId, strerror(-res), res); 826 return res; 827 } 828 829 if (jpegStreamChanged) { 830 ALOGV("%s: Camera %d: Clear ZSL buffer queue when Jpeg size is changed", 831 __FUNCTION__, mCameraId); 832 mZslProcessor->clearZslQueue(); 833 } 834 outputStreams.push(getZslStreamId()); 835 } else { 836 mZslProcessor->deleteStream(); 837 } 838 839 outputStreams.push(getPreviewStreamId()); 840 841 if (!params.recordingHint) { 842 if (!restart) { 843 res = mStreamingProcessor->updatePreviewRequest(params); 844 if (res != OK) { 845 ALOGE("%s: Camera %d: Can't set up preview request: " 846 "%s (%d)", __FUNCTION__, mCameraId, 847 strerror(-res), res); 848 return res; 849 } 850 } 851 res = mStreamingProcessor->startStream(StreamingProcessor::PREVIEW, 852 outputStreams); 853 } else { 854 if (!restart) { 855 res = mStreamingProcessor->updateRecordingRequest(params); 856 if (res != OK) { 857 ALOGE("%s: Camera %d: Can't set up preview request with " 858 "record hint: %s (%d)", __FUNCTION__, mCameraId, 859 strerror(-res), res); 860 return res; 861 } 862 } 863 res = mStreamingProcessor->startStream(StreamingProcessor::RECORD, 864 outputStreams); 865 } 866 if (res != OK) { 867 ALOGE("%s: Camera %d: Unable to start streaming preview: %s (%d)", 868 __FUNCTION__, mCameraId, strerror(-res), res); 869 return res; 870 } 871 872 params.state = Parameters::PREVIEW; 873 return OK; 874} 875 876void Camera2Client::stopPreview() { 877 ATRACE_CALL(); 878 ALOGV("%s: E", __FUNCTION__); 879 Mutex::Autolock icl(mBinderSerializationLock); 880 status_t res; 881 if ( (res = checkPid(__FUNCTION__) ) != OK) return; 882 stopPreviewL(); 883} 884 885void Camera2Client::stopPreviewL() { 886 ATRACE_CALL(); 887 status_t res; 888 const nsecs_t kStopCaptureTimeout = 3000000000LL; // 3 seconds 889 Parameters::State state; 890 { 891 SharedParameters::Lock l(mParameters); 892 state = l.mParameters.state; 893 } 894 895 switch (state) { 896 case Parameters::DISCONNECTED: 897 // Nothing to do. 898 break; 899 case Parameters::STOPPED: 900 case Parameters::VIDEO_SNAPSHOT: 901 case Parameters::STILL_CAPTURE: 902 mCaptureSequencer->waitUntilIdle(kStopCaptureTimeout); 903 // no break 904 case Parameters::RECORD: 905 case Parameters::PREVIEW: 906 syncWithDevice(); 907 res = stopStream(); 908 if (res != OK) { 909 ALOGE("%s: Camera %d: Can't stop streaming: %s (%d)", 910 __FUNCTION__, mCameraId, strerror(-res), res); 911 } 912 res = mDevice->waitUntilDrained(); 913 if (res != OK) { 914 ALOGE("%s: Camera %d: Waiting to stop streaming failed: %s (%d)", 915 __FUNCTION__, mCameraId, strerror(-res), res); 916 } 917 // Clean up recording stream 918 res = mStreamingProcessor->deleteRecordingStream(); 919 if (res != OK) { 920 ALOGE("%s: Camera %d: Unable to delete recording stream before " 921 "stop preview: %s (%d)", 922 __FUNCTION__, mCameraId, strerror(-res), res); 923 } 924 // no break 925 case Parameters::WAITING_FOR_PREVIEW_WINDOW: { 926 SharedParameters::Lock l(mParameters); 927 l.mParameters.state = Parameters::STOPPED; 928 commandStopFaceDetectionL(l.mParameters); 929 break; 930 } 931 default: 932 ALOGE("%s: Camera %d: Unknown state %d", __FUNCTION__, mCameraId, 933 state); 934 } 935} 936 937bool Camera2Client::previewEnabled() { 938 ATRACE_CALL(); 939 Mutex::Autolock icl(mBinderSerializationLock); 940 status_t res; 941 if ( (res = checkPid(__FUNCTION__) ) != OK) return false; 942 943 SharedParameters::Lock l(mParameters); 944 return l.mParameters.state == Parameters::PREVIEW; 945} 946 947status_t Camera2Client::storeMetaDataInBuffers(bool enabled) { 948 ATRACE_CALL(); 949 Mutex::Autolock icl(mBinderSerializationLock); 950 status_t res; 951 if ( (res = checkPid(__FUNCTION__) ) != OK) return res; 952 953 SharedParameters::Lock l(mParameters); 954 switch (l.mParameters.state) { 955 case Parameters::RECORD: 956 case Parameters::VIDEO_SNAPSHOT: 957 ALOGE("%s: Camera %d: Can't be called in state %s", 958 __FUNCTION__, mCameraId, 959 Parameters::getStateName(l.mParameters.state)); 960 return INVALID_OPERATION; 961 default: 962 // OK 963 break; 964 } 965 966 l.mParameters.storeMetadataInBuffers = enabled; 967 968 return OK; 969} 970 971status_t Camera2Client::startRecording() { 972 ATRACE_CALL(); 973 ALOGV("%s: E", __FUNCTION__); 974 Mutex::Autolock icl(mBinderSerializationLock); 975 status_t res; 976 if ( (res = checkPid(__FUNCTION__) ) != OK) return res; 977 SharedParameters::Lock l(mParameters); 978 979 return startRecordingL(l.mParameters, false); 980} 981 982status_t Camera2Client::startRecordingL(Parameters ¶ms, bool restart) { 983 status_t res; 984 985 ALOGV("%s: state == %d, restart = %d", __FUNCTION__, params.state, restart); 986 987 switch (params.state) { 988 case Parameters::STOPPED: 989 res = startPreviewL(params, false); 990 if (res != OK) return res; 991 break; 992 case Parameters::PREVIEW: 993 // Ready to go 994 break; 995 case Parameters::RECORD: 996 case Parameters::VIDEO_SNAPSHOT: 997 // OK to call this when recording is already on, just skip unless 998 // we're looking to restart 999 if (!restart) return OK; 1000 break; 1001 default: 1002 ALOGE("%s: Camera %d: Can't start recording in state %s", 1003 __FUNCTION__, mCameraId, 1004 Parameters::getStateName(params.state)); 1005 return INVALID_OPERATION; 1006 }; 1007 1008 if (!params.storeMetadataInBuffers) { 1009 ALOGE("%s: Camera %d: Recording only supported in metadata mode, but " 1010 "non-metadata recording mode requested!", __FUNCTION__, 1011 mCameraId); 1012 return INVALID_OPERATION; 1013 } 1014 1015 if (!restart) { 1016 mCameraService->playSound(CameraService::SOUND_RECORDING); 1017 mStreamingProcessor->updateRecordingRequest(params); 1018 if (res != OK) { 1019 ALOGE("%s: Camera %d: Unable to update recording request: %s (%d)", 1020 __FUNCTION__, mCameraId, strerror(-res), res); 1021 return res; 1022 } 1023 } 1024 1025 // Not all devices can support a preview callback stream and a recording 1026 // stream at the same time, so assume none of them can. 1027 if (mCallbackProcessor->getStreamId() != NO_STREAM) { 1028 ALOGV("%s: Camera %d: Clearing out callback stream before " 1029 "creating recording stream", __FUNCTION__, mCameraId); 1030 res = mStreamingProcessor->stopStream(); 1031 if (res != OK) { 1032 ALOGE("%s: Camera %d: Can't stop streaming to delete callback stream", 1033 __FUNCTION__, mCameraId); 1034 return res; 1035 } 1036 res = mCallbackProcessor->deleteStream(); 1037 if (res != OK) { 1038 ALOGE("%s: Camera %d: Unable to delete callback stream before " 1039 "record: %s (%d)", __FUNCTION__, mCameraId, 1040 strerror(-res), res); 1041 return res; 1042 } 1043 } 1044 1045 if (mZslProcessor->getStreamId() != NO_STREAM) { 1046 ALOGV("%s: Camera %d: Clearing out zsl stream before " 1047 "creating recording stream", __FUNCTION__, mCameraId); 1048 res = mStreamingProcessor->stopStream(); 1049 if (res != OK) { 1050 ALOGE("%s: Camera %d: Can't stop streaming to delete callback stream", 1051 __FUNCTION__, mCameraId); 1052 return res; 1053 } 1054 res = mDevice->waitUntilDrained(); 1055 if (res != OK) { 1056 ALOGE("%s: Camera %d: Waiting to stop streaming failed: %s (%d)", 1057 __FUNCTION__, mCameraId, strerror(-res), res); 1058 } 1059 res = mZslProcessor->clearZslQueue(); 1060 if (res != OK) { 1061 ALOGE("%s: Camera %d: Can't clear zsl queue", 1062 __FUNCTION__, mCameraId); 1063 return res; 1064 } 1065 res = mZslProcessor->deleteStream(); 1066 if (res != OK) { 1067 ALOGE("%s: Camera %d: Unable to delete zsl stream before " 1068 "record: %s (%d)", __FUNCTION__, mCameraId, 1069 strerror(-res), res); 1070 return res; 1071 } 1072 } 1073 1074 // Disable callbacks if they're enabled; can't record and use callbacks, 1075 // and we can't fail record start without stagefright asserting. 1076 params.previewCallbackFlags = 0; 1077 1078 res = updateProcessorStream< 1079 StreamingProcessor, 1080 &StreamingProcessor::updateRecordingStream>(mStreamingProcessor, 1081 params); 1082 if (res != OK) { 1083 ALOGE("%s: Camera %d: Unable to update recording stream: %s (%d)", 1084 __FUNCTION__, mCameraId, strerror(-res), res); 1085 return res; 1086 } 1087 1088 Vector<int32_t> outputStreams; 1089 outputStreams.push(getPreviewStreamId()); 1090 outputStreams.push(getRecordingStreamId()); 1091 1092 res = mStreamingProcessor->startStream(StreamingProcessor::RECORD, 1093 outputStreams); 1094 // try to reconfigure jpeg to video size if configureStreams failed 1095 if (res == BAD_VALUE) { 1096 1097 ALOGV("%s: Camera %d: configure still size to video size before recording" 1098 , __FUNCTION__, mCameraId); 1099 params.overrideJpegSizeByVideoSize(); 1100 res = updateProcessorStream(mJpegProcessor, params); 1101 if (res != OK) { 1102 ALOGE("%s: Camera %d: Can't configure still image size to video size: %s (%d)", 1103 __FUNCTION__, mCameraId, strerror(-res), res); 1104 return res; 1105 } 1106 res = mStreamingProcessor->startStream(StreamingProcessor::RECORD, 1107 outputStreams); 1108 } 1109 1110 if (res != OK) { 1111 ALOGE("%s: Camera %d: Unable to start recording stream: %s (%d)", 1112 __FUNCTION__, mCameraId, strerror(-res), res); 1113 return res; 1114 } 1115 1116 if (params.state < Parameters::RECORD) { 1117 params.state = Parameters::RECORD; 1118 } 1119 1120 return OK; 1121} 1122 1123void Camera2Client::stopRecording() { 1124 ATRACE_CALL(); 1125 ALOGV("%s: E", __FUNCTION__); 1126 Mutex::Autolock icl(mBinderSerializationLock); 1127 SharedParameters::Lock l(mParameters); 1128 1129 status_t res; 1130 if ( (res = checkPid(__FUNCTION__) ) != OK) return; 1131 1132 switch (l.mParameters.state) { 1133 case Parameters::RECORD: 1134 // OK to stop 1135 break; 1136 case Parameters::STOPPED: 1137 case Parameters::PREVIEW: 1138 case Parameters::STILL_CAPTURE: 1139 case Parameters::VIDEO_SNAPSHOT: 1140 default: 1141 ALOGE("%s: Camera %d: Can't stop recording in state %s", 1142 __FUNCTION__, mCameraId, 1143 Parameters::getStateName(l.mParameters.state)); 1144 return; 1145 }; 1146 1147 mCameraService->playSound(CameraService::SOUND_RECORDING); 1148 1149 l.mParameters.recoverOverriddenJpegSize(); 1150 res = startPreviewL(l.mParameters, true); 1151 if (res != OK) { 1152 ALOGE("%s: Camera %d: Unable to return to preview", 1153 __FUNCTION__, mCameraId); 1154 } 1155} 1156 1157bool Camera2Client::recordingEnabled() { 1158 ATRACE_CALL(); 1159 Mutex::Autolock icl(mBinderSerializationLock); 1160 1161 if ( checkPid(__FUNCTION__) != OK) return false; 1162 1163 return recordingEnabledL(); 1164} 1165 1166bool Camera2Client::recordingEnabledL() { 1167 ATRACE_CALL(); 1168 SharedParameters::Lock l(mParameters); 1169 1170 return (l.mParameters.state == Parameters::RECORD 1171 || l.mParameters.state == Parameters::VIDEO_SNAPSHOT); 1172} 1173 1174void Camera2Client::releaseRecordingFrame(const sp<IMemory>& mem) { 1175 ATRACE_CALL(); 1176 Mutex::Autolock icl(mBinderSerializationLock); 1177 if ( checkPid(__FUNCTION__) != OK) return; 1178 1179 mStreamingProcessor->releaseRecordingFrame(mem); 1180} 1181 1182status_t Camera2Client::autoFocus() { 1183 ATRACE_CALL(); 1184 Mutex::Autolock icl(mBinderSerializationLock); 1185 ALOGV("%s: Camera %d", __FUNCTION__, mCameraId); 1186 status_t res; 1187 if ( (res = checkPid(__FUNCTION__) ) != OK) return res; 1188 1189 int triggerId; 1190 bool notifyImmediately = false; 1191 bool notifySuccess = false; 1192 { 1193 SharedParameters::Lock l(mParameters); 1194 if (l.mParameters.state < Parameters::PREVIEW) { 1195 return INVALID_OPERATION; 1196 } 1197 1198 /** 1199 * If the camera does not support auto-focus, it is a no-op and 1200 * onAutoFocus(boolean, Camera) callback will be called immediately 1201 * with a fake value of success set to true. 1202 * 1203 * Similarly, if focus mode is set to INFINITY, there's no reason to 1204 * bother the HAL. 1205 */ 1206 if (l.mParameters.focusMode == Parameters::FOCUS_MODE_FIXED || 1207 l.mParameters.focusMode == Parameters::FOCUS_MODE_INFINITY) { 1208 notifyImmediately = true; 1209 notifySuccess = true; 1210 } 1211 /** 1212 * If we're in CAF mode, and AF has already been locked, just fire back 1213 * the callback right away; the HAL would not send a notification since 1214 * no state change would happen on a AF trigger. 1215 */ 1216 if ( (l.mParameters.focusMode == Parameters::FOCUS_MODE_CONTINUOUS_PICTURE || 1217 l.mParameters.focusMode == Parameters::FOCUS_MODE_CONTINUOUS_VIDEO) && 1218 l.mParameters.focusState == ANDROID_CONTROL_AF_STATE_FOCUSED_LOCKED ) { 1219 notifyImmediately = true; 1220 notifySuccess = true; 1221 } 1222 /** 1223 * Send immediate notification back to client 1224 */ 1225 if (notifyImmediately) { 1226 SharedCameraCallbacks::Lock l(mSharedCameraCallbacks); 1227 if (l.mRemoteCallback != 0) { 1228 l.mRemoteCallback->notifyCallback(CAMERA_MSG_FOCUS, 1229 notifySuccess ? 1 : 0, 0); 1230 } 1231 return OK; 1232 } 1233 /** 1234 * Handle quirk mode for AF in scene modes 1235 */ 1236 if (l.mParameters.quirks.triggerAfWithAuto && 1237 l.mParameters.sceneMode != ANDROID_CONTROL_SCENE_MODE_DISABLED && 1238 l.mParameters.focusMode != Parameters::FOCUS_MODE_AUTO && 1239 !l.mParameters.focusingAreas[0].isEmpty()) { 1240 ALOGV("%s: Quirk: Switching from focusMode %d to AUTO", 1241 __FUNCTION__, l.mParameters.focusMode); 1242 l.mParameters.shadowFocusMode = l.mParameters.focusMode; 1243 l.mParameters.focusMode = Parameters::FOCUS_MODE_AUTO; 1244 updateRequests(l.mParameters); 1245 } 1246 1247 l.mParameters.currentAfTriggerId = ++l.mParameters.afTriggerCounter; 1248 triggerId = l.mParameters.currentAfTriggerId; 1249 } 1250 ATRACE_ASYNC_BEGIN(kAutofocusLabel, triggerId); 1251 1252 syncWithDevice(); 1253 1254 mDevice->triggerAutofocus(triggerId); 1255 1256 return OK; 1257} 1258 1259status_t Camera2Client::cancelAutoFocus() { 1260 ATRACE_CALL(); 1261 Mutex::Autolock icl(mBinderSerializationLock); 1262 ALOGV("%s: Camera %d", __FUNCTION__, mCameraId); 1263 status_t res; 1264 if ( (res = checkPid(__FUNCTION__) ) != OK) return res; 1265 1266 int triggerId; 1267 { 1268 SharedParameters::Lock l(mParameters); 1269 // Canceling does nothing in FIXED or INFINITY modes 1270 if (l.mParameters.focusMode == Parameters::FOCUS_MODE_FIXED || 1271 l.mParameters.focusMode == Parameters::FOCUS_MODE_INFINITY) { 1272 return OK; 1273 } 1274 1275 // An active AF trigger is canceled 1276 if (l.mParameters.afTriggerCounter == l.mParameters.currentAfTriggerId) { 1277 ATRACE_ASYNC_END(kAutofocusLabel, l.mParameters.currentAfTriggerId); 1278 } 1279 1280 triggerId = ++l.mParameters.afTriggerCounter; 1281 1282 // When using triggerAfWithAuto quirk, may need to reset focus mode to 1283 // the real state at this point. No need to cancel explicitly if 1284 // changing the AF mode. 1285 if (l.mParameters.shadowFocusMode != Parameters::FOCUS_MODE_INVALID) { 1286 ALOGV("%s: Quirk: Restoring focus mode to %d", __FUNCTION__, 1287 l.mParameters.shadowFocusMode); 1288 l.mParameters.focusMode = l.mParameters.shadowFocusMode; 1289 l.mParameters.shadowFocusMode = Parameters::FOCUS_MODE_INVALID; 1290 updateRequests(l.mParameters); 1291 1292 return OK; 1293 } 1294 } 1295 syncWithDevice(); 1296 1297 mDevice->triggerCancelAutofocus(triggerId); 1298 1299 return OK; 1300} 1301 1302status_t Camera2Client::takePicture(int msgType) { 1303 ATRACE_CALL(); 1304 Mutex::Autolock icl(mBinderSerializationLock); 1305 status_t res; 1306 if ( (res = checkPid(__FUNCTION__) ) != OK) return res; 1307 1308 int takePictureCounter; 1309 { 1310 SharedParameters::Lock l(mParameters); 1311 switch (l.mParameters.state) { 1312 case Parameters::DISCONNECTED: 1313 case Parameters::STOPPED: 1314 case Parameters::WAITING_FOR_PREVIEW_WINDOW: 1315 ALOGE("%s: Camera %d: Cannot take picture without preview enabled", 1316 __FUNCTION__, mCameraId); 1317 return INVALID_OPERATION; 1318 case Parameters::PREVIEW: 1319 // Good to go for takePicture 1320 res = commandStopFaceDetectionL(l.mParameters); 1321 if (res != OK) { 1322 ALOGE("%s: Camera %d: Unable to stop face detection for still capture", 1323 __FUNCTION__, mCameraId); 1324 return res; 1325 } 1326 l.mParameters.state = Parameters::STILL_CAPTURE; 1327 break; 1328 case Parameters::RECORD: 1329 // Good to go for video snapshot 1330 l.mParameters.state = Parameters::VIDEO_SNAPSHOT; 1331 break; 1332 case Parameters::STILL_CAPTURE: 1333 case Parameters::VIDEO_SNAPSHOT: 1334 ALOGE("%s: Camera %d: Already taking a picture", 1335 __FUNCTION__, mCameraId); 1336 return INVALID_OPERATION; 1337 } 1338 1339 ALOGV("%s: Camera %d: Starting picture capture", __FUNCTION__, mCameraId); 1340 1341 int lastJpegStreamId = mJpegProcessor->getStreamId(); 1342 res = updateProcessorStream(mJpegProcessor, l.mParameters); 1343 if (res != OK) { 1344 ALOGE("%s: Camera %d: Can't set up still image stream: %s (%d)", 1345 __FUNCTION__, mCameraId, strerror(-res), res); 1346 return res; 1347 } 1348 takePictureCounter = ++l.mParameters.takePictureCounter; 1349 1350 // Clear ZSL buffer queue when Jpeg size is changed. 1351 bool jpegStreamChanged = mJpegProcessor->getStreamId() != lastJpegStreamId; 1352 if (l.mParameters.zslMode && jpegStreamChanged) { 1353 ALOGV("%s: Camera %d: Clear ZSL buffer queue when Jpeg size is changed", 1354 __FUNCTION__, mCameraId); 1355 mZslProcessor->clearZslQueue(); 1356 } 1357 } 1358 1359 ATRACE_ASYNC_BEGIN(kTakepictureLabel, takePictureCounter); 1360 1361 // Need HAL to have correct settings before (possibly) triggering precapture 1362 syncWithDevice(); 1363 1364 res = mCaptureSequencer->startCapture(msgType); 1365 if (res != OK) { 1366 ALOGE("%s: Camera %d: Unable to start capture: %s (%d)", 1367 __FUNCTION__, mCameraId, strerror(-res), res); 1368 } 1369 1370 return res; 1371} 1372 1373status_t Camera2Client::setParameters(const String8& params) { 1374 ATRACE_CALL(); 1375 ALOGV("%s: Camera %d", __FUNCTION__, mCameraId); 1376 Mutex::Autolock icl(mBinderSerializationLock); 1377 status_t res; 1378 if ( (res = checkPid(__FUNCTION__) ) != OK) return res; 1379 1380 SharedParameters::Lock l(mParameters); 1381 1382 res = l.mParameters.set(params); 1383 if (res != OK) return res; 1384 1385 res = updateRequests(l.mParameters); 1386 1387 return res; 1388} 1389 1390String8 Camera2Client::getParameters() const { 1391 ATRACE_CALL(); 1392 ALOGV("%s: Camera %d", __FUNCTION__, mCameraId); 1393 Mutex::Autolock icl(mBinderSerializationLock); 1394 // The camera service can unconditionally get the parameters at all times 1395 if (getCallingPid() != mServicePid && checkPid(__FUNCTION__) != OK) return String8(); 1396 1397 SharedParameters::ReadLock l(mParameters); 1398 1399 return l.mParameters.get(); 1400} 1401 1402status_t Camera2Client::sendCommand(int32_t cmd, int32_t arg1, int32_t arg2) { 1403 ATRACE_CALL(); 1404 Mutex::Autolock icl(mBinderSerializationLock); 1405 status_t res; 1406 if ( (res = checkPid(__FUNCTION__) ) != OK) return res; 1407 1408 ALOGV("%s: Camera %d: Command %d (%d, %d)", __FUNCTION__, mCameraId, 1409 cmd, arg1, arg2); 1410 1411 switch (cmd) { 1412 case CAMERA_CMD_START_SMOOTH_ZOOM: 1413 return commandStartSmoothZoomL(); 1414 case CAMERA_CMD_STOP_SMOOTH_ZOOM: 1415 return commandStopSmoothZoomL(); 1416 case CAMERA_CMD_SET_DISPLAY_ORIENTATION: 1417 return commandSetDisplayOrientationL(arg1); 1418 case CAMERA_CMD_ENABLE_SHUTTER_SOUND: 1419 return commandEnableShutterSoundL(arg1 == 1); 1420 case CAMERA_CMD_PLAY_RECORDING_SOUND: 1421 return commandPlayRecordingSoundL(); 1422 case CAMERA_CMD_START_FACE_DETECTION: 1423 return commandStartFaceDetectionL(arg1); 1424 case CAMERA_CMD_STOP_FACE_DETECTION: { 1425 SharedParameters::Lock l(mParameters); 1426 return commandStopFaceDetectionL(l.mParameters); 1427 } 1428 case CAMERA_CMD_ENABLE_FOCUS_MOVE_MSG: 1429 return commandEnableFocusMoveMsgL(arg1 == 1); 1430 case CAMERA_CMD_PING: 1431 return commandPingL(); 1432 case CAMERA_CMD_SET_VIDEO_BUFFER_COUNT: 1433 return commandSetVideoBufferCountL(arg1); 1434 default: 1435 ALOGE("%s: Unknown command %d (arguments %d, %d)", 1436 __FUNCTION__, cmd, arg1, arg2); 1437 return BAD_VALUE; 1438 } 1439} 1440 1441status_t Camera2Client::commandStartSmoothZoomL() { 1442 ALOGE("%s: Unimplemented!", __FUNCTION__); 1443 return OK; 1444} 1445 1446status_t Camera2Client::commandStopSmoothZoomL() { 1447 ALOGE("%s: Unimplemented!", __FUNCTION__); 1448 return OK; 1449} 1450 1451status_t Camera2Client::commandSetDisplayOrientationL(int degrees) { 1452 int transform = Parameters::degToTransform(degrees, 1453 mCameraFacing == CAMERA_FACING_FRONT); 1454 if (transform == -1) { 1455 ALOGE("%s: Camera %d: Error setting %d as display orientation value", 1456 __FUNCTION__, mCameraId, degrees); 1457 return BAD_VALUE; 1458 } 1459 SharedParameters::Lock l(mParameters); 1460 if (transform != l.mParameters.previewTransform && 1461 getPreviewStreamId() != NO_STREAM) { 1462 mDevice->setStreamTransform(getPreviewStreamId(), transform); 1463 } 1464 l.mParameters.previewTransform = transform; 1465 return OK; 1466} 1467 1468status_t Camera2Client::commandEnableShutterSoundL(bool enable) { 1469 SharedParameters::Lock l(mParameters); 1470 if (enable) { 1471 l.mParameters.playShutterSound = true; 1472 return OK; 1473 } 1474 1475 // the camera2 api legacy mode can unconditionally disable the shutter sound 1476 if (mLegacyMode) { 1477 ALOGV("%s: Disable shutter sound in legacy mode", __FUNCTION__); 1478 l.mParameters.playShutterSound = false; 1479 return OK; 1480 } 1481 1482 // Disabling shutter sound may not be allowed. In that case only 1483 // allow the mediaserver process to disable the sound. 1484 char value[PROPERTY_VALUE_MAX]; 1485 property_get("ro.camera.sound.forced", value, "0"); 1486 if (strncmp(value, "0", 2) != 0) { 1487 // Disabling shutter sound is not allowed. Deny if the current 1488 // process is not mediaserver. 1489 if (getCallingPid() != getpid()) { 1490 ALOGE("Failed to disable shutter sound. Permission denied (pid %d)", 1491 getCallingPid()); 1492 return PERMISSION_DENIED; 1493 } 1494 } 1495 1496 l.mParameters.playShutterSound = false; 1497 return OK; 1498} 1499 1500status_t Camera2Client::commandPlayRecordingSoundL() { 1501 mCameraService->playSound(CameraService::SOUND_RECORDING); 1502 return OK; 1503} 1504 1505status_t Camera2Client::commandStartFaceDetectionL(int /*type*/) { 1506 ALOGV("%s: Camera %d: Starting face detection", 1507 __FUNCTION__, mCameraId); 1508 status_t res; 1509 SharedParameters::Lock l(mParameters); 1510 switch (l.mParameters.state) { 1511 case Parameters::DISCONNECTED: 1512 case Parameters::STOPPED: 1513 case Parameters::WAITING_FOR_PREVIEW_WINDOW: 1514 case Parameters::STILL_CAPTURE: 1515 ALOGE("%s: Camera %d: Cannot start face detection without preview active", 1516 __FUNCTION__, mCameraId); 1517 return INVALID_OPERATION; 1518 case Parameters::PREVIEW: 1519 case Parameters::RECORD: 1520 case Parameters::VIDEO_SNAPSHOT: 1521 // Good to go for starting face detect 1522 break; 1523 } 1524 // Ignoring type 1525 if (l.mParameters.fastInfo.bestFaceDetectMode == 1526 ANDROID_STATISTICS_FACE_DETECT_MODE_OFF) { 1527 ALOGE("%s: Camera %d: Face detection not supported", 1528 __FUNCTION__, mCameraId); 1529 return BAD_VALUE; 1530 } 1531 if (l.mParameters.enableFaceDetect) return OK; 1532 1533 l.mParameters.enableFaceDetect = true; 1534 1535 res = updateRequests(l.mParameters); 1536 1537 return res; 1538} 1539 1540status_t Camera2Client::commandStopFaceDetectionL(Parameters ¶ms) { 1541 status_t res = OK; 1542 ALOGV("%s: Camera %d: Stopping face detection", 1543 __FUNCTION__, mCameraId); 1544 1545 if (!params.enableFaceDetect) return OK; 1546 1547 params.enableFaceDetect = false; 1548 1549 if (params.state == Parameters::PREVIEW 1550 || params.state == Parameters::RECORD 1551 || params.state == Parameters::VIDEO_SNAPSHOT) { 1552 res = updateRequests(params); 1553 } 1554 1555 return res; 1556} 1557 1558status_t Camera2Client::commandEnableFocusMoveMsgL(bool enable) { 1559 SharedParameters::Lock l(mParameters); 1560 l.mParameters.enableFocusMoveMessages = enable; 1561 1562 return OK; 1563} 1564 1565status_t Camera2Client::commandPingL() { 1566 // Always ping back if access is proper and device is alive 1567 SharedParameters::Lock l(mParameters); 1568 if (l.mParameters.state != Parameters::DISCONNECTED) { 1569 return OK; 1570 } else { 1571 return NO_INIT; 1572 } 1573} 1574 1575status_t Camera2Client::commandSetVideoBufferCountL(size_t count) { 1576 if (recordingEnabledL()) { 1577 ALOGE("%s: Camera %d: Error setting video buffer count after " 1578 "recording was started", __FUNCTION__, mCameraId); 1579 return INVALID_OPERATION; 1580 } 1581 1582 return mStreamingProcessor->setRecordingBufferCount(count); 1583} 1584 1585/** Device-related methods */ 1586void Camera2Client::notifyAutoFocus(uint8_t newState, int triggerId) { 1587 ALOGV("%s: Autofocus state now %d, last trigger %d", 1588 __FUNCTION__, newState, triggerId); 1589 bool sendCompletedMessage = false; 1590 bool sendMovingMessage = false; 1591 1592 bool success = false; 1593 bool afInMotion = false; 1594 { 1595 SharedParameters::Lock l(mParameters); 1596 // Trace end of AF state 1597 char tmp[32]; 1598 if (l.mParameters.afStateCounter > 0) { 1599 camera_metadata_enum_snprint( 1600 ANDROID_CONTROL_AF_STATE, l.mParameters.focusState, tmp, sizeof(tmp)); 1601 ATRACE_ASYNC_END(tmp, l.mParameters.afStateCounter); 1602 } 1603 1604 // Update state 1605 l.mParameters.focusState = newState; 1606 l.mParameters.afStateCounter++; 1607 1608 // Trace start of AF state 1609 1610 camera_metadata_enum_snprint( 1611 ANDROID_CONTROL_AF_STATE, l.mParameters.focusState, tmp, sizeof(tmp)); 1612 ATRACE_ASYNC_BEGIN(tmp, l.mParameters.afStateCounter); 1613 1614 switch (l.mParameters.focusMode) { 1615 case Parameters::FOCUS_MODE_AUTO: 1616 case Parameters::FOCUS_MODE_MACRO: 1617 // Don't send notifications upstream if they're not for the current AF 1618 // trigger. For example, if cancel was called in between, or if we 1619 // already sent a notification about this AF call. 1620 if (triggerId != l.mParameters.currentAfTriggerId) break; 1621 switch (newState) { 1622 case ANDROID_CONTROL_AF_STATE_FOCUSED_LOCKED: 1623 success = true; 1624 // no break 1625 case ANDROID_CONTROL_AF_STATE_NOT_FOCUSED_LOCKED: 1626 sendCompletedMessage = true; 1627 l.mParameters.currentAfTriggerId = -1; 1628 break; 1629 case ANDROID_CONTROL_AF_STATE_ACTIVE_SCAN: 1630 // Just starting focusing, ignore 1631 break; 1632 case ANDROID_CONTROL_AF_STATE_INACTIVE: 1633 case ANDROID_CONTROL_AF_STATE_PASSIVE_SCAN: 1634 case ANDROID_CONTROL_AF_STATE_PASSIVE_FOCUSED: 1635 case ANDROID_CONTROL_AF_STATE_PASSIVE_UNFOCUSED: 1636 default: 1637 // Unexpected in AUTO/MACRO mode 1638 ALOGE("%s: Unexpected AF state transition in AUTO/MACRO mode: %d", 1639 __FUNCTION__, newState); 1640 break; 1641 } 1642 break; 1643 case Parameters::FOCUS_MODE_CONTINUOUS_VIDEO: 1644 case Parameters::FOCUS_MODE_CONTINUOUS_PICTURE: 1645 switch (newState) { 1646 case ANDROID_CONTROL_AF_STATE_FOCUSED_LOCKED: 1647 success = true; 1648 // no break 1649 case ANDROID_CONTROL_AF_STATE_NOT_FOCUSED_LOCKED: 1650 // Don't send notifications upstream if they're not for 1651 // the current AF trigger. For example, if cancel was 1652 // called in between, or if we already sent a 1653 // notification about this AF call. 1654 // Send both a 'AF done' callback and a 'AF move' callback 1655 if (triggerId != l.mParameters.currentAfTriggerId) break; 1656 sendCompletedMessage = true; 1657 afInMotion = false; 1658 if (l.mParameters.enableFocusMoveMessages && 1659 l.mParameters.afInMotion) { 1660 sendMovingMessage = true; 1661 } 1662 l.mParameters.currentAfTriggerId = -1; 1663 break; 1664 case ANDROID_CONTROL_AF_STATE_INACTIVE: 1665 // Cancel was called, or we switched state; care if 1666 // currently moving 1667 afInMotion = false; 1668 if (l.mParameters.enableFocusMoveMessages && 1669 l.mParameters.afInMotion) { 1670 sendMovingMessage = true; 1671 } 1672 break; 1673 case ANDROID_CONTROL_AF_STATE_PASSIVE_SCAN: 1674 // Start passive scan, inform upstream 1675 afInMotion = true; 1676 // no break 1677 case ANDROID_CONTROL_AF_STATE_PASSIVE_FOCUSED: 1678 case ANDROID_CONTROL_AF_STATE_PASSIVE_UNFOCUSED: 1679 // Stop passive scan, inform upstream 1680 if (l.mParameters.enableFocusMoveMessages) { 1681 sendMovingMessage = true; 1682 } 1683 break; 1684 } 1685 l.mParameters.afInMotion = afInMotion; 1686 break; 1687 case Parameters::FOCUS_MODE_EDOF: 1688 case Parameters::FOCUS_MODE_INFINITY: 1689 case Parameters::FOCUS_MODE_FIXED: 1690 default: 1691 if (newState != ANDROID_CONTROL_AF_STATE_INACTIVE) { 1692 ALOGE("%s: Unexpected AF state change %d " 1693 "(ID %d) in focus mode %d", 1694 __FUNCTION__, newState, triggerId, 1695 l.mParameters.focusMode); 1696 } 1697 } 1698 } 1699 if (sendMovingMessage) { 1700 SharedCameraCallbacks::Lock l(mSharedCameraCallbacks); 1701 if (l.mRemoteCallback != 0) { 1702 l.mRemoteCallback->notifyCallback(CAMERA_MSG_FOCUS_MOVE, 1703 afInMotion ? 1 : 0, 0); 1704 } 1705 } 1706 if (sendCompletedMessage) { 1707 ATRACE_ASYNC_END(kAutofocusLabel, triggerId); 1708 SharedCameraCallbacks::Lock l(mSharedCameraCallbacks); 1709 if (l.mRemoteCallback != 0) { 1710 l.mRemoteCallback->notifyCallback(CAMERA_MSG_FOCUS, 1711 success ? 1 : 0, 0); 1712 } 1713 } 1714} 1715 1716void Camera2Client::notifyAutoExposure(uint8_t newState, int triggerId) { 1717 ALOGV("%s: Autoexposure state now %d, last trigger %d", 1718 __FUNCTION__, newState, triggerId); 1719 mCaptureSequencer->notifyAutoExposure(newState, triggerId); 1720} 1721 1722camera2::SharedParameters& Camera2Client::getParameters() { 1723 return mParameters; 1724} 1725 1726int Camera2Client::getPreviewStreamId() const { 1727 return mStreamingProcessor->getPreviewStreamId(); 1728} 1729 1730int Camera2Client::getCaptureStreamId() const { 1731 return mJpegProcessor->getStreamId(); 1732} 1733 1734int Camera2Client::getCallbackStreamId() const { 1735 return mCallbackProcessor->getStreamId(); 1736} 1737 1738int Camera2Client::getRecordingStreamId() const { 1739 return mStreamingProcessor->getRecordingStreamId(); 1740} 1741 1742int Camera2Client::getZslStreamId() const { 1743 return mZslProcessor->getStreamId(); 1744} 1745 1746status_t Camera2Client::registerFrameListener(int32_t minId, int32_t maxId, 1747 wp<camera2::FrameProcessor::FilteredListener> listener, bool sendPartials) { 1748 return mFrameProcessor->registerListener(minId, maxId, listener, sendPartials); 1749} 1750 1751status_t Camera2Client::removeFrameListener(int32_t minId, int32_t maxId, 1752 wp<camera2::FrameProcessor::FilteredListener> listener) { 1753 return mFrameProcessor->removeListener(minId, maxId, listener); 1754} 1755 1756status_t Camera2Client::stopStream() { 1757 return mStreamingProcessor->stopStream(); 1758} 1759 1760const int32_t Camera2Client::kPreviewRequestIdStart; 1761const int32_t Camera2Client::kPreviewRequestIdEnd; 1762const int32_t Camera2Client::kRecordingRequestIdStart; 1763const int32_t Camera2Client::kRecordingRequestIdEnd; 1764const int32_t Camera2Client::kCaptureRequestIdStart; 1765const int32_t Camera2Client::kCaptureRequestIdEnd; 1766 1767/** Utility methods */ 1768 1769status_t Camera2Client::updateRequests(Parameters ¶ms) { 1770 status_t res; 1771 1772 ALOGV("%s: Camera %d: state = %d", __FUNCTION__, getCameraId(), params.state); 1773 1774 res = mStreamingProcessor->incrementStreamingIds(); 1775 if (res != OK) { 1776 ALOGE("%s: Camera %d: Unable to increment request IDs: %s (%d)", 1777 __FUNCTION__, mCameraId, strerror(-res), res); 1778 return res; 1779 } 1780 1781 res = mStreamingProcessor->updatePreviewRequest(params); 1782 if (res != OK) { 1783 ALOGE("%s: Camera %d: Unable to update preview request: %s (%d)", 1784 __FUNCTION__, mCameraId, strerror(-res), res); 1785 return res; 1786 } 1787 res = mStreamingProcessor->updateRecordingRequest(params); 1788 if (res != OK) { 1789 ALOGE("%s: Camera %d: Unable to update recording request: %s (%d)", 1790 __FUNCTION__, mCameraId, strerror(-res), res); 1791 return res; 1792 } 1793 1794 if (params.state == Parameters::PREVIEW) { 1795 res = startPreviewL(params, true); 1796 if (res != OK) { 1797 ALOGE("%s: Camera %d: Error streaming new preview request: %s (%d)", 1798 __FUNCTION__, mCameraId, strerror(-res), res); 1799 return res; 1800 } 1801 } else if (params.state == Parameters::RECORD || 1802 params.state == Parameters::VIDEO_SNAPSHOT) { 1803 res = startRecordingL(params, true); 1804 if (res != OK) { 1805 ALOGE("%s: Camera %d: Error streaming new record request: %s (%d)", 1806 __FUNCTION__, mCameraId, strerror(-res), res); 1807 return res; 1808 } 1809 } 1810 return res; 1811} 1812 1813 1814size_t Camera2Client::calculateBufferSize(int width, int height, 1815 int format, int stride) { 1816 switch (format) { 1817 case HAL_PIXEL_FORMAT_YCbCr_422_SP: // NV16 1818 return width * height * 2; 1819 case HAL_PIXEL_FORMAT_YCrCb_420_SP: // NV21 1820 return width * height * 3 / 2; 1821 case HAL_PIXEL_FORMAT_YCbCr_422_I: // YUY2 1822 return width * height * 2; 1823 case HAL_PIXEL_FORMAT_YV12: { // YV12 1824 size_t ySize = stride * height; 1825 size_t uvStride = (stride / 2 + 0xF) & ~0xF; 1826 size_t uvSize = uvStride * height / 2; 1827 return ySize + uvSize * 2; 1828 } 1829 case HAL_PIXEL_FORMAT_RGB_565: 1830 return width * height * 2; 1831 case HAL_PIXEL_FORMAT_RGBA_8888: 1832 return width * height * 4; 1833 case HAL_PIXEL_FORMAT_RAW_SENSOR: 1834 return width * height * 2; 1835 default: 1836 ALOGE("%s: Unknown preview format: %x", 1837 __FUNCTION__, format); 1838 return 0; 1839 } 1840} 1841 1842status_t Camera2Client::syncWithDevice() { 1843 ATRACE_CALL(); 1844 const nsecs_t kMaxSyncTimeout = 500000000; // 500 ms 1845 status_t res; 1846 1847 int32_t activeRequestId = mStreamingProcessor->getActiveRequestId(); 1848 if (activeRequestId == 0) return OK; 1849 1850 res = mDevice->waitUntilRequestReceived(activeRequestId, kMaxSyncTimeout); 1851 if (res == TIMED_OUT) { 1852 ALOGE("%s: Camera %d: Timed out waiting sync with HAL", 1853 __FUNCTION__, mCameraId); 1854 } else if (res != OK) { 1855 ALOGE("%s: Camera %d: Error while waiting to sync with HAL", 1856 __FUNCTION__, mCameraId); 1857 } 1858 return res; 1859} 1860 1861template <typename ProcessorT> 1862status_t Camera2Client::updateProcessorStream(sp<ProcessorT> processor, 1863 camera2::Parameters params) { 1864 // No default template arguments until C++11, so we need this overload 1865 return updateProcessorStream<ProcessorT, &ProcessorT::updateStream>( 1866 processor, params); 1867} 1868 1869template <typename ProcessorT, 1870 status_t (ProcessorT::*updateStreamF)(const Parameters &)> 1871status_t Camera2Client::updateProcessorStream(sp<ProcessorT> processor, 1872 Parameters params) { 1873 status_t res; 1874 1875 // Get raw pointer since sp<T> doesn't have operator->* 1876 ProcessorT *processorPtr = processor.get(); 1877 res = (processorPtr->*updateStreamF)(params); 1878 1879 /** 1880 * Can't update the stream if it's busy? 1881 * 1882 * Then we need to stop the device (by temporarily clearing the request 1883 * queue) and then try again. Resume streaming once we're done. 1884 */ 1885 if (res == -EBUSY) { 1886 ALOGV("%s: Camera %d: Pausing to update stream", __FUNCTION__, 1887 mCameraId); 1888 res = mStreamingProcessor->togglePauseStream(/*pause*/true); 1889 if (res != OK) { 1890 ALOGE("%s: Camera %d: Can't pause streaming: %s (%d)", 1891 __FUNCTION__, mCameraId, strerror(-res), res); 1892 } 1893 1894 res = mDevice->waitUntilDrained(); 1895 if (res != OK) { 1896 ALOGE("%s: Camera %d: Waiting to stop streaming failed: %s (%d)", 1897 __FUNCTION__, mCameraId, strerror(-res), res); 1898 } 1899 1900 res = (processorPtr->*updateStreamF)(params); 1901 if (res != OK) { 1902 ALOGE("%s: Camera %d: Failed to update processing stream " 1903 " despite having halted streaming first: %s (%d)", 1904 __FUNCTION__, mCameraId, strerror(-res), res); 1905 } 1906 1907 res = mStreamingProcessor->togglePauseStream(/*pause*/false); 1908 if (res != OK) { 1909 ALOGE("%s: Camera %d: Can't unpause streaming: %s (%d)", 1910 __FUNCTION__, mCameraId, strerror(-res), res); 1911 } 1912 } 1913 1914 return res; 1915} 1916 1917const char* Camera2Client::kAutofocusLabel = "autofocus"; 1918const char* Camera2Client::kTakepictureLabel = "take_picture"; 1919 1920} // namespace android 1921