Camera2Client.cpp revision d3c5b081863ad5930971d90aee2f3a61f8424d88
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 { 925 // Ideally we should recover the override after recording stopped, but 926 // right now recording stream will live until here, so we are forced to 927 // recover here. TODO: find a better way to handle that (b/17495165) 928 SharedParameters::Lock l(mParameters); 929 l.mParameters.recoverOverriddenJpegSize(); 930 } 931 // no break 932 case Parameters::WAITING_FOR_PREVIEW_WINDOW: { 933 SharedParameters::Lock l(mParameters); 934 l.mParameters.state = Parameters::STOPPED; 935 commandStopFaceDetectionL(l.mParameters); 936 break; 937 } 938 default: 939 ALOGE("%s: Camera %d: Unknown state %d", __FUNCTION__, mCameraId, 940 state); 941 } 942} 943 944bool Camera2Client::previewEnabled() { 945 ATRACE_CALL(); 946 Mutex::Autolock icl(mBinderSerializationLock); 947 status_t res; 948 if ( (res = checkPid(__FUNCTION__) ) != OK) return false; 949 950 SharedParameters::Lock l(mParameters); 951 return l.mParameters.state == Parameters::PREVIEW; 952} 953 954status_t Camera2Client::storeMetaDataInBuffers(bool enabled) { 955 ATRACE_CALL(); 956 Mutex::Autolock icl(mBinderSerializationLock); 957 status_t res; 958 if ( (res = checkPid(__FUNCTION__) ) != OK) return res; 959 960 SharedParameters::Lock l(mParameters); 961 switch (l.mParameters.state) { 962 case Parameters::RECORD: 963 case Parameters::VIDEO_SNAPSHOT: 964 ALOGE("%s: Camera %d: Can't be called in state %s", 965 __FUNCTION__, mCameraId, 966 Parameters::getStateName(l.mParameters.state)); 967 return INVALID_OPERATION; 968 default: 969 // OK 970 break; 971 } 972 973 l.mParameters.storeMetadataInBuffers = enabled; 974 975 return OK; 976} 977 978status_t Camera2Client::startRecording() { 979 ATRACE_CALL(); 980 ALOGV("%s: E", __FUNCTION__); 981 Mutex::Autolock icl(mBinderSerializationLock); 982 status_t res; 983 if ( (res = checkPid(__FUNCTION__) ) != OK) return res; 984 SharedParameters::Lock l(mParameters); 985 986 return startRecordingL(l.mParameters, false); 987} 988 989status_t Camera2Client::startRecordingL(Parameters ¶ms, bool restart) { 990 status_t res; 991 992 ALOGV("%s: state == %d, restart = %d", __FUNCTION__, params.state, restart); 993 994 switch (params.state) { 995 case Parameters::STOPPED: 996 res = startPreviewL(params, false); 997 if (res != OK) return res; 998 break; 999 case Parameters::PREVIEW: 1000 // Ready to go 1001 break; 1002 case Parameters::RECORD: 1003 case Parameters::VIDEO_SNAPSHOT: 1004 // OK to call this when recording is already on, just skip unless 1005 // we're looking to restart 1006 if (!restart) return OK; 1007 break; 1008 default: 1009 ALOGE("%s: Camera %d: Can't start recording in state %s", 1010 __FUNCTION__, mCameraId, 1011 Parameters::getStateName(params.state)); 1012 return INVALID_OPERATION; 1013 }; 1014 1015 if (!params.storeMetadataInBuffers) { 1016 ALOGE("%s: Camera %d: Recording only supported in metadata mode, but " 1017 "non-metadata recording mode requested!", __FUNCTION__, 1018 mCameraId); 1019 return INVALID_OPERATION; 1020 } 1021 1022 if (!restart) { 1023 mCameraService->playSound(CameraService::SOUND_RECORDING); 1024 mStreamingProcessor->updateRecordingRequest(params); 1025 if (res != OK) { 1026 ALOGE("%s: Camera %d: Unable to update recording request: %s (%d)", 1027 __FUNCTION__, mCameraId, strerror(-res), res); 1028 return res; 1029 } 1030 } 1031 1032 // Not all devices can support a preview callback stream and a recording 1033 // stream at the same time, so assume none of them can. 1034 if (mCallbackProcessor->getStreamId() != NO_STREAM) { 1035 ALOGV("%s: Camera %d: Clearing out callback stream before " 1036 "creating recording stream", __FUNCTION__, mCameraId); 1037 res = mStreamingProcessor->stopStream(); 1038 if (res != OK) { 1039 ALOGE("%s: Camera %d: Can't stop streaming to delete callback stream", 1040 __FUNCTION__, mCameraId); 1041 return res; 1042 } 1043 res = mCallbackProcessor->deleteStream(); 1044 if (res != OK) { 1045 ALOGE("%s: Camera %d: Unable to delete callback stream before " 1046 "record: %s (%d)", __FUNCTION__, mCameraId, 1047 strerror(-res), res); 1048 return res; 1049 } 1050 } 1051 1052 if (mZslProcessor->getStreamId() != NO_STREAM) { 1053 ALOGV("%s: Camera %d: Clearing out zsl stream before " 1054 "creating recording stream", __FUNCTION__, mCameraId); 1055 res = mStreamingProcessor->stopStream(); 1056 if (res != OK) { 1057 ALOGE("%s: Camera %d: Can't stop streaming to delete callback stream", 1058 __FUNCTION__, mCameraId); 1059 return res; 1060 } 1061 res = mDevice->waitUntilDrained(); 1062 if (res != OK) { 1063 ALOGE("%s: Camera %d: Waiting to stop streaming failed: %s (%d)", 1064 __FUNCTION__, mCameraId, strerror(-res), res); 1065 } 1066 res = mZslProcessor->clearZslQueue(); 1067 if (res != OK) { 1068 ALOGE("%s: Camera %d: Can't clear zsl queue", 1069 __FUNCTION__, mCameraId); 1070 return res; 1071 } 1072 res = mZslProcessor->deleteStream(); 1073 if (res != OK) { 1074 ALOGE("%s: Camera %d: Unable to delete zsl stream before " 1075 "record: %s (%d)", __FUNCTION__, mCameraId, 1076 strerror(-res), res); 1077 return res; 1078 } 1079 } 1080 1081 // Disable callbacks if they're enabled; can't record and use callbacks, 1082 // and we can't fail record start without stagefright asserting. 1083 params.previewCallbackFlags = 0; 1084 1085 bool recordingStreamNeedsUpdate; 1086 res = mStreamingProcessor->recordingStreamNeedsUpdate(params, &recordingStreamNeedsUpdate); 1087 if (res != OK) { 1088 ALOGE("%s: Camera %d: Can't query recording stream", 1089 __FUNCTION__, mCameraId); 1090 return res; 1091 } 1092 1093 if (recordingStreamNeedsUpdate) { 1094 // Need to stop stream here so updateProcessorStream won't trigger configureStream 1095 // Right now camera device cannot handle configureStream failure gracefully 1096 // when device is streaming 1097 res = mStreamingProcessor->stopStream(); 1098 if (res != OK) { 1099 ALOGE("%s: Camera %d: Can't stop streaming to update record stream", 1100 __FUNCTION__, mCameraId); 1101 return res; 1102 } 1103 res = mDevice->waitUntilDrained(); 1104 if (res != OK) { 1105 ALOGE("%s: Camera %d: Waiting to stop streaming failed: %s (%d)", 1106 __FUNCTION__, mCameraId, strerror(-res), res); 1107 } 1108 res = updateProcessorStream< 1109 StreamingProcessor, 1110 &StreamingProcessor::updateRecordingStream>(mStreamingProcessor, 1111 params); 1112 1113 if (res != OK) { 1114 ALOGE("%s: Camera %d: Unable to update recording stream: %s (%d)", 1115 __FUNCTION__, mCameraId, strerror(-res), res); 1116 return res; 1117 } 1118 } 1119 1120 Vector<int32_t> outputStreams; 1121 outputStreams.push(getPreviewStreamId()); 1122 outputStreams.push(getRecordingStreamId()); 1123 1124 res = mStreamingProcessor->startStream(StreamingProcessor::RECORD, 1125 outputStreams); 1126 1127 // startStream might trigger a configureStream call and device might fail 1128 // configureStream due to jpeg size > video size. Try again with jpeg size overridden 1129 // to video size. 1130 if (res == BAD_VALUE) { 1131 overrideVideoSnapshotSize(params); 1132 res = mStreamingProcessor->startStream(StreamingProcessor::RECORD, 1133 outputStreams); 1134 } 1135 1136 if (res != OK) { 1137 ALOGE("%s: Camera %d: Unable to start recording stream: %s (%d)", 1138 __FUNCTION__, mCameraId, strerror(-res), res); 1139 return res; 1140 } 1141 1142 if (params.state < Parameters::RECORD) { 1143 params.state = Parameters::RECORD; 1144 } 1145 1146 return OK; 1147} 1148 1149void Camera2Client::stopRecording() { 1150 ATRACE_CALL(); 1151 ALOGV("%s: E", __FUNCTION__); 1152 Mutex::Autolock icl(mBinderSerializationLock); 1153 SharedParameters::Lock l(mParameters); 1154 1155 status_t res; 1156 if ( (res = checkPid(__FUNCTION__) ) != OK) return; 1157 1158 switch (l.mParameters.state) { 1159 case Parameters::RECORD: 1160 // OK to stop 1161 break; 1162 case Parameters::STOPPED: 1163 case Parameters::PREVIEW: 1164 case Parameters::STILL_CAPTURE: 1165 case Parameters::VIDEO_SNAPSHOT: 1166 default: 1167 ALOGE("%s: Camera %d: Can't stop recording in state %s", 1168 __FUNCTION__, mCameraId, 1169 Parameters::getStateName(l.mParameters.state)); 1170 return; 1171 }; 1172 1173 mCameraService->playSound(CameraService::SOUND_RECORDING); 1174 1175 res = startPreviewL(l.mParameters, true); 1176 if (res != OK) { 1177 ALOGE("%s: Camera %d: Unable to return to preview", 1178 __FUNCTION__, mCameraId); 1179 } 1180} 1181 1182bool Camera2Client::recordingEnabled() { 1183 ATRACE_CALL(); 1184 Mutex::Autolock icl(mBinderSerializationLock); 1185 1186 if ( checkPid(__FUNCTION__) != OK) return false; 1187 1188 return recordingEnabledL(); 1189} 1190 1191bool Camera2Client::recordingEnabledL() { 1192 ATRACE_CALL(); 1193 SharedParameters::Lock l(mParameters); 1194 1195 return (l.mParameters.state == Parameters::RECORD 1196 || l.mParameters.state == Parameters::VIDEO_SNAPSHOT); 1197} 1198 1199void Camera2Client::releaseRecordingFrame(const sp<IMemory>& mem) { 1200 ATRACE_CALL(); 1201 Mutex::Autolock icl(mBinderSerializationLock); 1202 if ( checkPid(__FUNCTION__) != OK) return; 1203 1204 mStreamingProcessor->releaseRecordingFrame(mem); 1205} 1206 1207status_t Camera2Client::autoFocus() { 1208 ATRACE_CALL(); 1209 Mutex::Autolock icl(mBinderSerializationLock); 1210 ALOGV("%s: Camera %d", __FUNCTION__, mCameraId); 1211 status_t res; 1212 if ( (res = checkPid(__FUNCTION__) ) != OK) return res; 1213 1214 int triggerId; 1215 bool notifyImmediately = false; 1216 bool notifySuccess = false; 1217 { 1218 SharedParameters::Lock l(mParameters); 1219 if (l.mParameters.state < Parameters::PREVIEW) { 1220 return INVALID_OPERATION; 1221 } 1222 1223 /** 1224 * If the camera does not support auto-focus, it is a no-op and 1225 * onAutoFocus(boolean, Camera) callback will be called immediately 1226 * with a fake value of success set to true. 1227 * 1228 * Similarly, if focus mode is set to INFINITY, there's no reason to 1229 * bother the HAL. 1230 */ 1231 if (l.mParameters.focusMode == Parameters::FOCUS_MODE_FIXED || 1232 l.mParameters.focusMode == Parameters::FOCUS_MODE_INFINITY) { 1233 notifyImmediately = true; 1234 notifySuccess = true; 1235 } 1236 /** 1237 * If we're in CAF mode, and AF has already been locked, just fire back 1238 * the callback right away; the HAL would not send a notification since 1239 * no state change would happen on a AF trigger. 1240 */ 1241 if ( (l.mParameters.focusMode == Parameters::FOCUS_MODE_CONTINUOUS_PICTURE || 1242 l.mParameters.focusMode == Parameters::FOCUS_MODE_CONTINUOUS_VIDEO) && 1243 l.mParameters.focusState == ANDROID_CONTROL_AF_STATE_FOCUSED_LOCKED ) { 1244 notifyImmediately = true; 1245 notifySuccess = true; 1246 } 1247 /** 1248 * Send immediate notification back to client 1249 */ 1250 if (notifyImmediately) { 1251 SharedCameraCallbacks::Lock l(mSharedCameraCallbacks); 1252 if (l.mRemoteCallback != 0) { 1253 l.mRemoteCallback->notifyCallback(CAMERA_MSG_FOCUS, 1254 notifySuccess ? 1 : 0, 0); 1255 } 1256 return OK; 1257 } 1258 /** 1259 * Handle quirk mode for AF in scene modes 1260 */ 1261 if (l.mParameters.quirks.triggerAfWithAuto && 1262 l.mParameters.sceneMode != ANDROID_CONTROL_SCENE_MODE_DISABLED && 1263 l.mParameters.focusMode != Parameters::FOCUS_MODE_AUTO && 1264 !l.mParameters.focusingAreas[0].isEmpty()) { 1265 ALOGV("%s: Quirk: Switching from focusMode %d to AUTO", 1266 __FUNCTION__, l.mParameters.focusMode); 1267 l.mParameters.shadowFocusMode = l.mParameters.focusMode; 1268 l.mParameters.focusMode = Parameters::FOCUS_MODE_AUTO; 1269 updateRequests(l.mParameters); 1270 } 1271 1272 l.mParameters.currentAfTriggerId = ++l.mParameters.afTriggerCounter; 1273 triggerId = l.mParameters.currentAfTriggerId; 1274 } 1275 ATRACE_ASYNC_BEGIN(kAutofocusLabel, triggerId); 1276 1277 syncWithDevice(); 1278 1279 mDevice->triggerAutofocus(triggerId); 1280 1281 return OK; 1282} 1283 1284status_t Camera2Client::cancelAutoFocus() { 1285 ATRACE_CALL(); 1286 Mutex::Autolock icl(mBinderSerializationLock); 1287 ALOGV("%s: Camera %d", __FUNCTION__, mCameraId); 1288 status_t res; 1289 if ( (res = checkPid(__FUNCTION__) ) != OK) return res; 1290 1291 int triggerId; 1292 { 1293 SharedParameters::Lock l(mParameters); 1294 // Canceling does nothing in FIXED or INFINITY modes 1295 if (l.mParameters.focusMode == Parameters::FOCUS_MODE_FIXED || 1296 l.mParameters.focusMode == Parameters::FOCUS_MODE_INFINITY) { 1297 return OK; 1298 } 1299 1300 // An active AF trigger is canceled 1301 if (l.mParameters.afTriggerCounter == l.mParameters.currentAfTriggerId) { 1302 ATRACE_ASYNC_END(kAutofocusLabel, l.mParameters.currentAfTriggerId); 1303 } 1304 1305 triggerId = ++l.mParameters.afTriggerCounter; 1306 1307 // When using triggerAfWithAuto quirk, may need to reset focus mode to 1308 // the real state at this point. No need to cancel explicitly if 1309 // changing the AF mode. 1310 if (l.mParameters.shadowFocusMode != Parameters::FOCUS_MODE_INVALID) { 1311 ALOGV("%s: Quirk: Restoring focus mode to %d", __FUNCTION__, 1312 l.mParameters.shadowFocusMode); 1313 l.mParameters.focusMode = l.mParameters.shadowFocusMode; 1314 l.mParameters.shadowFocusMode = Parameters::FOCUS_MODE_INVALID; 1315 updateRequests(l.mParameters); 1316 1317 return OK; 1318 } 1319 if (l.mParameters.zslMode) { 1320 mZslProcessor->clearZslQueue(); 1321 } 1322 } 1323 syncWithDevice(); 1324 1325 mDevice->triggerCancelAutofocus(triggerId); 1326 1327 return OK; 1328} 1329 1330status_t Camera2Client::takePicture(int msgType) { 1331 ATRACE_CALL(); 1332 Mutex::Autolock icl(mBinderSerializationLock); 1333 status_t res; 1334 if ( (res = checkPid(__FUNCTION__) ) != OK) return res; 1335 1336 int takePictureCounter; 1337 { 1338 SharedParameters::Lock l(mParameters); 1339 switch (l.mParameters.state) { 1340 case Parameters::DISCONNECTED: 1341 case Parameters::STOPPED: 1342 case Parameters::WAITING_FOR_PREVIEW_WINDOW: 1343 ALOGE("%s: Camera %d: Cannot take picture without preview enabled", 1344 __FUNCTION__, mCameraId); 1345 return INVALID_OPERATION; 1346 case Parameters::PREVIEW: 1347 // Good to go for takePicture 1348 res = commandStopFaceDetectionL(l.mParameters); 1349 if (res != OK) { 1350 ALOGE("%s: Camera %d: Unable to stop face detection for still capture", 1351 __FUNCTION__, mCameraId); 1352 return res; 1353 } 1354 l.mParameters.state = Parameters::STILL_CAPTURE; 1355 break; 1356 case Parameters::RECORD: 1357 // Good to go for video snapshot 1358 l.mParameters.state = Parameters::VIDEO_SNAPSHOT; 1359 break; 1360 case Parameters::STILL_CAPTURE: 1361 case Parameters::VIDEO_SNAPSHOT: 1362 ALOGE("%s: Camera %d: Already taking a picture", 1363 __FUNCTION__, mCameraId); 1364 return INVALID_OPERATION; 1365 } 1366 1367 ALOGV("%s: Camera %d: Starting picture capture", __FUNCTION__, mCameraId); 1368 1369 int lastJpegStreamId = mJpegProcessor->getStreamId(); 1370 res = updateProcessorStream(mJpegProcessor, l.mParameters); 1371 // If video snapshot fail to configureStream, try override video snapshot size to 1372 // video size 1373 if (res == BAD_VALUE && l.mParameters.state == Parameters::VIDEO_SNAPSHOT) { 1374 overrideVideoSnapshotSize(l.mParameters); 1375 res = updateProcessorStream(mJpegProcessor, l.mParameters); 1376 } 1377 if (res != OK) { 1378 ALOGE("%s: Camera %d: Can't set up still image stream: %s (%d)", 1379 __FUNCTION__, mCameraId, strerror(-res), res); 1380 return res; 1381 } 1382 takePictureCounter = ++l.mParameters.takePictureCounter; 1383 1384 // Clear ZSL buffer queue when Jpeg size is changed. 1385 bool jpegStreamChanged = mJpegProcessor->getStreamId() != lastJpegStreamId; 1386 if (l.mParameters.zslMode && jpegStreamChanged) { 1387 ALOGV("%s: Camera %d: Clear ZSL buffer queue when Jpeg size is changed", 1388 __FUNCTION__, mCameraId); 1389 mZslProcessor->clearZslQueue(); 1390 } 1391 } 1392 1393 ATRACE_ASYNC_BEGIN(kTakepictureLabel, takePictureCounter); 1394 1395 // Need HAL to have correct settings before (possibly) triggering precapture 1396 syncWithDevice(); 1397 1398 res = mCaptureSequencer->startCapture(msgType); 1399 if (res != OK) { 1400 ALOGE("%s: Camera %d: Unable to start capture: %s (%d)", 1401 __FUNCTION__, mCameraId, strerror(-res), res); 1402 } 1403 1404 return res; 1405} 1406 1407status_t Camera2Client::setParameters(const String8& params) { 1408 ATRACE_CALL(); 1409 ALOGV("%s: Camera %d", __FUNCTION__, mCameraId); 1410 Mutex::Autolock icl(mBinderSerializationLock); 1411 status_t res; 1412 if ( (res = checkPid(__FUNCTION__) ) != OK) return res; 1413 1414 SharedParameters::Lock l(mParameters); 1415 1416 Parameters::focusMode_t focusModeBefore = l.mParameters.focusMode; 1417 res = l.mParameters.set(params); 1418 if (res != OK) return res; 1419 Parameters::focusMode_t focusModeAfter = l.mParameters.focusMode; 1420 1421 if (l.mParameters.zslMode && focusModeAfter != focusModeBefore) { 1422 mZslProcessor->clearZslQueue(); 1423 } 1424 1425 res = updateRequests(l.mParameters); 1426 1427 return res; 1428} 1429 1430String8 Camera2Client::getParameters() const { 1431 ATRACE_CALL(); 1432 ALOGV("%s: Camera %d", __FUNCTION__, mCameraId); 1433 Mutex::Autolock icl(mBinderSerializationLock); 1434 // The camera service can unconditionally get the parameters at all times 1435 if (getCallingPid() != mServicePid && checkPid(__FUNCTION__) != OK) return String8(); 1436 1437 SharedParameters::ReadLock l(mParameters); 1438 1439 return l.mParameters.get(); 1440} 1441 1442status_t Camera2Client::sendCommand(int32_t cmd, int32_t arg1, int32_t arg2) { 1443 ATRACE_CALL(); 1444 Mutex::Autolock icl(mBinderSerializationLock); 1445 status_t res; 1446 if ( (res = checkPid(__FUNCTION__) ) != OK) return res; 1447 1448 ALOGV("%s: Camera %d: Command %d (%d, %d)", __FUNCTION__, mCameraId, 1449 cmd, arg1, arg2); 1450 1451 switch (cmd) { 1452 case CAMERA_CMD_START_SMOOTH_ZOOM: 1453 return commandStartSmoothZoomL(); 1454 case CAMERA_CMD_STOP_SMOOTH_ZOOM: 1455 return commandStopSmoothZoomL(); 1456 case CAMERA_CMD_SET_DISPLAY_ORIENTATION: 1457 return commandSetDisplayOrientationL(arg1); 1458 case CAMERA_CMD_ENABLE_SHUTTER_SOUND: 1459 return commandEnableShutterSoundL(arg1 == 1); 1460 case CAMERA_CMD_PLAY_RECORDING_SOUND: 1461 return commandPlayRecordingSoundL(); 1462 case CAMERA_CMD_START_FACE_DETECTION: 1463 return commandStartFaceDetectionL(arg1); 1464 case CAMERA_CMD_STOP_FACE_DETECTION: { 1465 SharedParameters::Lock l(mParameters); 1466 return commandStopFaceDetectionL(l.mParameters); 1467 } 1468 case CAMERA_CMD_ENABLE_FOCUS_MOVE_MSG: 1469 return commandEnableFocusMoveMsgL(arg1 == 1); 1470 case CAMERA_CMD_PING: 1471 return commandPingL(); 1472 case CAMERA_CMD_SET_VIDEO_BUFFER_COUNT: 1473 return commandSetVideoBufferCountL(arg1); 1474 default: 1475 ALOGE("%s: Unknown command %d (arguments %d, %d)", 1476 __FUNCTION__, cmd, arg1, arg2); 1477 return BAD_VALUE; 1478 } 1479} 1480 1481status_t Camera2Client::commandStartSmoothZoomL() { 1482 ALOGE("%s: Unimplemented!", __FUNCTION__); 1483 return OK; 1484} 1485 1486status_t Camera2Client::commandStopSmoothZoomL() { 1487 ALOGE("%s: Unimplemented!", __FUNCTION__); 1488 return OK; 1489} 1490 1491status_t Camera2Client::commandSetDisplayOrientationL(int degrees) { 1492 int transform = Parameters::degToTransform(degrees, 1493 mCameraFacing == CAMERA_FACING_FRONT); 1494 if (transform == -1) { 1495 ALOGE("%s: Camera %d: Error setting %d as display orientation value", 1496 __FUNCTION__, mCameraId, degrees); 1497 return BAD_VALUE; 1498 } 1499 SharedParameters::Lock l(mParameters); 1500 if (transform != l.mParameters.previewTransform && 1501 getPreviewStreamId() != NO_STREAM) { 1502 mDevice->setStreamTransform(getPreviewStreamId(), transform); 1503 } 1504 l.mParameters.previewTransform = transform; 1505 return OK; 1506} 1507 1508status_t Camera2Client::commandEnableShutterSoundL(bool enable) { 1509 SharedParameters::Lock l(mParameters); 1510 if (enable) { 1511 l.mParameters.playShutterSound = true; 1512 return OK; 1513 } 1514 1515 // the camera2 api legacy mode can unconditionally disable the shutter sound 1516 if (mLegacyMode) { 1517 ALOGV("%s: Disable shutter sound in legacy mode", __FUNCTION__); 1518 l.mParameters.playShutterSound = false; 1519 return OK; 1520 } 1521 1522 // Disabling shutter sound may not be allowed. In that case only 1523 // allow the mediaserver process to disable the sound. 1524 char value[PROPERTY_VALUE_MAX]; 1525 property_get("ro.camera.sound.forced", value, "0"); 1526 if (strncmp(value, "0", 2) != 0) { 1527 // Disabling shutter sound is not allowed. Deny if the current 1528 // process is not mediaserver. 1529 if (getCallingPid() != getpid()) { 1530 ALOGE("Failed to disable shutter sound. Permission denied (pid %d)", 1531 getCallingPid()); 1532 return PERMISSION_DENIED; 1533 } 1534 } 1535 1536 l.mParameters.playShutterSound = false; 1537 return OK; 1538} 1539 1540status_t Camera2Client::commandPlayRecordingSoundL() { 1541 mCameraService->playSound(CameraService::SOUND_RECORDING); 1542 return OK; 1543} 1544 1545status_t Camera2Client::commandStartFaceDetectionL(int /*type*/) { 1546 ALOGV("%s: Camera %d: Starting face detection", 1547 __FUNCTION__, mCameraId); 1548 status_t res; 1549 SharedParameters::Lock l(mParameters); 1550 switch (l.mParameters.state) { 1551 case Parameters::DISCONNECTED: 1552 case Parameters::STOPPED: 1553 case Parameters::WAITING_FOR_PREVIEW_WINDOW: 1554 case Parameters::STILL_CAPTURE: 1555 ALOGE("%s: Camera %d: Cannot start face detection without preview active", 1556 __FUNCTION__, mCameraId); 1557 return INVALID_OPERATION; 1558 case Parameters::PREVIEW: 1559 case Parameters::RECORD: 1560 case Parameters::VIDEO_SNAPSHOT: 1561 // Good to go for starting face detect 1562 break; 1563 } 1564 // Ignoring type 1565 if (l.mParameters.fastInfo.bestFaceDetectMode == 1566 ANDROID_STATISTICS_FACE_DETECT_MODE_OFF) { 1567 ALOGE("%s: Camera %d: Face detection not supported", 1568 __FUNCTION__, mCameraId); 1569 return BAD_VALUE; 1570 } 1571 if (l.mParameters.enableFaceDetect) return OK; 1572 1573 l.mParameters.enableFaceDetect = true; 1574 1575 res = updateRequests(l.mParameters); 1576 1577 return res; 1578} 1579 1580status_t Camera2Client::commandStopFaceDetectionL(Parameters ¶ms) { 1581 status_t res = OK; 1582 ALOGV("%s: Camera %d: Stopping face detection", 1583 __FUNCTION__, mCameraId); 1584 1585 if (!params.enableFaceDetect) return OK; 1586 1587 params.enableFaceDetect = false; 1588 1589 if (params.state == Parameters::PREVIEW 1590 || params.state == Parameters::RECORD 1591 || params.state == Parameters::VIDEO_SNAPSHOT) { 1592 res = updateRequests(params); 1593 } 1594 1595 return res; 1596} 1597 1598status_t Camera2Client::commandEnableFocusMoveMsgL(bool enable) { 1599 SharedParameters::Lock l(mParameters); 1600 l.mParameters.enableFocusMoveMessages = enable; 1601 1602 return OK; 1603} 1604 1605status_t Camera2Client::commandPingL() { 1606 // Always ping back if access is proper and device is alive 1607 SharedParameters::Lock l(mParameters); 1608 if (l.mParameters.state != Parameters::DISCONNECTED) { 1609 return OK; 1610 } else { 1611 return NO_INIT; 1612 } 1613} 1614 1615status_t Camera2Client::commandSetVideoBufferCountL(size_t count) { 1616 if (recordingEnabledL()) { 1617 ALOGE("%s: Camera %d: Error setting video buffer count after " 1618 "recording was started", __FUNCTION__, mCameraId); 1619 return INVALID_OPERATION; 1620 } 1621 1622 return mStreamingProcessor->setRecordingBufferCount(count); 1623} 1624 1625/** Device-related methods */ 1626void Camera2Client::notifyAutoFocus(uint8_t newState, int triggerId) { 1627 ALOGV("%s: Autofocus state now %d, last trigger %d", 1628 __FUNCTION__, newState, triggerId); 1629 bool sendCompletedMessage = false; 1630 bool sendMovingMessage = false; 1631 1632 bool success = false; 1633 bool afInMotion = false; 1634 { 1635 SharedParameters::Lock l(mParameters); 1636 // Trace end of AF state 1637 char tmp[32]; 1638 if (l.mParameters.afStateCounter > 0) { 1639 camera_metadata_enum_snprint( 1640 ANDROID_CONTROL_AF_STATE, l.mParameters.focusState, tmp, sizeof(tmp)); 1641 ATRACE_ASYNC_END(tmp, l.mParameters.afStateCounter); 1642 } 1643 1644 // Update state 1645 l.mParameters.focusState = newState; 1646 l.mParameters.afStateCounter++; 1647 1648 // Trace start of AF state 1649 1650 camera_metadata_enum_snprint( 1651 ANDROID_CONTROL_AF_STATE, l.mParameters.focusState, tmp, sizeof(tmp)); 1652 ATRACE_ASYNC_BEGIN(tmp, l.mParameters.afStateCounter); 1653 1654 switch (l.mParameters.focusMode) { 1655 case Parameters::FOCUS_MODE_AUTO: 1656 case Parameters::FOCUS_MODE_MACRO: 1657 // Don't send notifications upstream if they're not for the current AF 1658 // trigger. For example, if cancel was called in between, or if we 1659 // already sent a notification about this AF call. 1660 if (triggerId != l.mParameters.currentAfTriggerId) break; 1661 switch (newState) { 1662 case ANDROID_CONTROL_AF_STATE_FOCUSED_LOCKED: 1663 success = true; 1664 // no break 1665 case ANDROID_CONTROL_AF_STATE_NOT_FOCUSED_LOCKED: 1666 sendCompletedMessage = true; 1667 l.mParameters.currentAfTriggerId = -1; 1668 break; 1669 case ANDROID_CONTROL_AF_STATE_ACTIVE_SCAN: 1670 // Just starting focusing, ignore 1671 break; 1672 case ANDROID_CONTROL_AF_STATE_INACTIVE: 1673 case ANDROID_CONTROL_AF_STATE_PASSIVE_SCAN: 1674 case ANDROID_CONTROL_AF_STATE_PASSIVE_FOCUSED: 1675 case ANDROID_CONTROL_AF_STATE_PASSIVE_UNFOCUSED: 1676 default: 1677 // Unexpected in AUTO/MACRO mode 1678 ALOGE("%s: Unexpected AF state transition in AUTO/MACRO mode: %d", 1679 __FUNCTION__, newState); 1680 break; 1681 } 1682 break; 1683 case Parameters::FOCUS_MODE_CONTINUOUS_VIDEO: 1684 case Parameters::FOCUS_MODE_CONTINUOUS_PICTURE: 1685 switch (newState) { 1686 case ANDROID_CONTROL_AF_STATE_FOCUSED_LOCKED: 1687 success = true; 1688 // no break 1689 case ANDROID_CONTROL_AF_STATE_NOT_FOCUSED_LOCKED: 1690 // Don't send notifications upstream if they're not for 1691 // the current AF trigger. For example, if cancel was 1692 // called in between, or if we already sent a 1693 // notification about this AF call. 1694 // Send both a 'AF done' callback and a 'AF move' callback 1695 if (triggerId != l.mParameters.currentAfTriggerId) break; 1696 sendCompletedMessage = true; 1697 afInMotion = false; 1698 if (l.mParameters.enableFocusMoveMessages && 1699 l.mParameters.afInMotion) { 1700 sendMovingMessage = true; 1701 } 1702 l.mParameters.currentAfTriggerId = -1; 1703 break; 1704 case ANDROID_CONTROL_AF_STATE_INACTIVE: 1705 // Cancel was called, or we switched state; care if 1706 // currently moving 1707 afInMotion = false; 1708 if (l.mParameters.enableFocusMoveMessages && 1709 l.mParameters.afInMotion) { 1710 sendMovingMessage = true; 1711 } 1712 break; 1713 case ANDROID_CONTROL_AF_STATE_PASSIVE_SCAN: 1714 // Start passive scan, inform upstream 1715 afInMotion = true; 1716 // no break 1717 case ANDROID_CONTROL_AF_STATE_PASSIVE_FOCUSED: 1718 case ANDROID_CONTROL_AF_STATE_PASSIVE_UNFOCUSED: 1719 // Stop passive scan, inform upstream 1720 if (l.mParameters.enableFocusMoveMessages) { 1721 sendMovingMessage = true; 1722 } 1723 break; 1724 } 1725 l.mParameters.afInMotion = afInMotion; 1726 break; 1727 case Parameters::FOCUS_MODE_EDOF: 1728 case Parameters::FOCUS_MODE_INFINITY: 1729 case Parameters::FOCUS_MODE_FIXED: 1730 default: 1731 if (newState != ANDROID_CONTROL_AF_STATE_INACTIVE) { 1732 ALOGE("%s: Unexpected AF state change %d " 1733 "(ID %d) in focus mode %d", 1734 __FUNCTION__, newState, triggerId, 1735 l.mParameters.focusMode); 1736 } 1737 } 1738 } 1739 if (sendMovingMessage) { 1740 SharedCameraCallbacks::Lock l(mSharedCameraCallbacks); 1741 if (l.mRemoteCallback != 0) { 1742 l.mRemoteCallback->notifyCallback(CAMERA_MSG_FOCUS_MOVE, 1743 afInMotion ? 1 : 0, 0); 1744 } 1745 } 1746 if (sendCompletedMessage) { 1747 ATRACE_ASYNC_END(kAutofocusLabel, triggerId); 1748 SharedCameraCallbacks::Lock l(mSharedCameraCallbacks); 1749 if (l.mRemoteCallback != 0) { 1750 l.mRemoteCallback->notifyCallback(CAMERA_MSG_FOCUS, 1751 success ? 1 : 0, 0); 1752 } 1753 } 1754} 1755 1756void Camera2Client::notifyAutoExposure(uint8_t newState, int triggerId) { 1757 ALOGV("%s: Autoexposure state now %d, last trigger %d", 1758 __FUNCTION__, newState, triggerId); 1759 mCaptureSequencer->notifyAutoExposure(newState, triggerId); 1760} 1761 1762camera2::SharedParameters& Camera2Client::getParameters() { 1763 return mParameters; 1764} 1765 1766int Camera2Client::getPreviewStreamId() const { 1767 return mStreamingProcessor->getPreviewStreamId(); 1768} 1769 1770int Camera2Client::getCaptureStreamId() const { 1771 return mJpegProcessor->getStreamId(); 1772} 1773 1774int Camera2Client::getCallbackStreamId() const { 1775 return mCallbackProcessor->getStreamId(); 1776} 1777 1778int Camera2Client::getRecordingStreamId() const { 1779 return mStreamingProcessor->getRecordingStreamId(); 1780} 1781 1782int Camera2Client::getZslStreamId() const { 1783 return mZslProcessor->getStreamId(); 1784} 1785 1786status_t Camera2Client::registerFrameListener(int32_t minId, int32_t maxId, 1787 wp<camera2::FrameProcessor::FilteredListener> listener, bool sendPartials) { 1788 return mFrameProcessor->registerListener(minId, maxId, listener, sendPartials); 1789} 1790 1791status_t Camera2Client::removeFrameListener(int32_t minId, int32_t maxId, 1792 wp<camera2::FrameProcessor::FilteredListener> listener) { 1793 return mFrameProcessor->removeListener(minId, maxId, listener); 1794} 1795 1796status_t Camera2Client::stopStream() { 1797 return mStreamingProcessor->stopStream(); 1798} 1799 1800const int32_t Camera2Client::kPreviewRequestIdStart; 1801const int32_t Camera2Client::kPreviewRequestIdEnd; 1802const int32_t Camera2Client::kRecordingRequestIdStart; 1803const int32_t Camera2Client::kRecordingRequestIdEnd; 1804const int32_t Camera2Client::kCaptureRequestIdStart; 1805const int32_t Camera2Client::kCaptureRequestIdEnd; 1806 1807/** Utility methods */ 1808 1809status_t Camera2Client::updateRequests(Parameters ¶ms) { 1810 status_t res; 1811 1812 ALOGV("%s: Camera %d: state = %d", __FUNCTION__, getCameraId(), params.state); 1813 1814 res = mStreamingProcessor->incrementStreamingIds(); 1815 if (res != OK) { 1816 ALOGE("%s: Camera %d: Unable to increment request IDs: %s (%d)", 1817 __FUNCTION__, mCameraId, strerror(-res), res); 1818 return res; 1819 } 1820 1821 res = mStreamingProcessor->updatePreviewRequest(params); 1822 if (res != OK) { 1823 ALOGE("%s: Camera %d: Unable to update preview request: %s (%d)", 1824 __FUNCTION__, mCameraId, strerror(-res), res); 1825 return res; 1826 } 1827 res = mStreamingProcessor->updateRecordingRequest(params); 1828 if (res != OK) { 1829 ALOGE("%s: Camera %d: Unable to update recording request: %s (%d)", 1830 __FUNCTION__, mCameraId, strerror(-res), res); 1831 return res; 1832 } 1833 1834 if (params.state == Parameters::PREVIEW) { 1835 res = startPreviewL(params, true); 1836 if (res != OK) { 1837 ALOGE("%s: Camera %d: Error streaming new preview request: %s (%d)", 1838 __FUNCTION__, mCameraId, strerror(-res), res); 1839 return res; 1840 } 1841 } else if (params.state == Parameters::RECORD || 1842 params.state == Parameters::VIDEO_SNAPSHOT) { 1843 res = startRecordingL(params, true); 1844 if (res != OK) { 1845 ALOGE("%s: Camera %d: Error streaming new record request: %s (%d)", 1846 __FUNCTION__, mCameraId, strerror(-res), res); 1847 return res; 1848 } 1849 } 1850 return res; 1851} 1852 1853 1854size_t Camera2Client::calculateBufferSize(int width, int height, 1855 int format, int stride) { 1856 switch (format) { 1857 case HAL_PIXEL_FORMAT_YCbCr_422_SP: // NV16 1858 return width * height * 2; 1859 case HAL_PIXEL_FORMAT_YCrCb_420_SP: // NV21 1860 return width * height * 3 / 2; 1861 case HAL_PIXEL_FORMAT_YCbCr_422_I: // YUY2 1862 return width * height * 2; 1863 case HAL_PIXEL_FORMAT_YV12: { // YV12 1864 size_t ySize = stride * height; 1865 size_t uvStride = (stride / 2 + 0xF) & ~0xF; 1866 size_t uvSize = uvStride * height / 2; 1867 return ySize + uvSize * 2; 1868 } 1869 case HAL_PIXEL_FORMAT_RGB_565: 1870 return width * height * 2; 1871 case HAL_PIXEL_FORMAT_RGBA_8888: 1872 return width * height * 4; 1873 case HAL_PIXEL_FORMAT_RAW_SENSOR: 1874 return width * height * 2; 1875 default: 1876 ALOGE("%s: Unknown preview format: %x", 1877 __FUNCTION__, format); 1878 return 0; 1879 } 1880} 1881 1882status_t Camera2Client::syncWithDevice() { 1883 ATRACE_CALL(); 1884 const nsecs_t kMaxSyncTimeout = 500000000; // 500 ms 1885 status_t res; 1886 1887 int32_t activeRequestId = mStreamingProcessor->getActiveRequestId(); 1888 if (activeRequestId == 0) return OK; 1889 1890 res = mDevice->waitUntilRequestReceived(activeRequestId, kMaxSyncTimeout); 1891 if (res == TIMED_OUT) { 1892 ALOGE("%s: Camera %d: Timed out waiting sync with HAL", 1893 __FUNCTION__, mCameraId); 1894 } else if (res != OK) { 1895 ALOGE("%s: Camera %d: Error while waiting to sync with HAL", 1896 __FUNCTION__, mCameraId); 1897 } 1898 return res; 1899} 1900 1901template <typename ProcessorT> 1902status_t Camera2Client::updateProcessorStream(sp<ProcessorT> processor, 1903 camera2::Parameters params) { 1904 // No default template arguments until C++11, so we need this overload 1905 return updateProcessorStream<ProcessorT, &ProcessorT::updateStream>( 1906 processor, params); 1907} 1908 1909template <typename ProcessorT, 1910 status_t (ProcessorT::*updateStreamF)(const Parameters &)> 1911status_t Camera2Client::updateProcessorStream(sp<ProcessorT> processor, 1912 Parameters params) { 1913 status_t res; 1914 1915 // Get raw pointer since sp<T> doesn't have operator->* 1916 ProcessorT *processorPtr = processor.get(); 1917 res = (processorPtr->*updateStreamF)(params); 1918 1919 /** 1920 * Can't update the stream if it's busy? 1921 * 1922 * Then we need to stop the device (by temporarily clearing the request 1923 * queue) and then try again. Resume streaming once we're done. 1924 */ 1925 if (res == -EBUSY) { 1926 ALOGV("%s: Camera %d: Pausing to update stream", __FUNCTION__, 1927 mCameraId); 1928 res = mStreamingProcessor->togglePauseStream(/*pause*/true); 1929 if (res != OK) { 1930 ALOGE("%s: Camera %d: Can't pause streaming: %s (%d)", 1931 __FUNCTION__, mCameraId, strerror(-res), res); 1932 } 1933 1934 res = mDevice->waitUntilDrained(); 1935 if (res != OK) { 1936 ALOGE("%s: Camera %d: Waiting to stop streaming failed: %s (%d)", 1937 __FUNCTION__, mCameraId, strerror(-res), res); 1938 } 1939 1940 res = (processorPtr->*updateStreamF)(params); 1941 if (res != OK) { 1942 ALOGE("%s: Camera %d: Failed to update processing stream " 1943 " despite having halted streaming first: %s (%d)", 1944 __FUNCTION__, mCameraId, strerror(-res), res); 1945 } 1946 1947 res = mStreamingProcessor->togglePauseStream(/*pause*/false); 1948 if (res != OK) { 1949 ALOGE("%s: Camera %d: Can't unpause streaming: %s (%d)", 1950 __FUNCTION__, mCameraId, strerror(-res), res); 1951 } 1952 } 1953 1954 return res; 1955} 1956 1957status_t Camera2Client::overrideVideoSnapshotSize(Parameters ¶ms) { 1958 ALOGV("%s: Camera %d: configure still size to video size before recording" 1959 , __FUNCTION__, mCameraId); 1960 params.overrideJpegSizeByVideoSize(); 1961 status_t res = updateProcessorStream(mJpegProcessor, params); 1962 if (res != OK) { 1963 ALOGE("%s: Camera %d: Can't override video snapshot size to video size: %s (%d)", 1964 __FUNCTION__, mCameraId, strerror(-res), res); 1965 } 1966 return res; 1967} 1968 1969const char* Camera2Client::kAutofocusLabel = "autofocus"; 1970const char* Camera2Client::kTakepictureLabel = "take_picture"; 1971 1972} // namespace android 1973