Camera2Client.cpp revision ecf17e82505fdb60d59e00b6dd59036df93de655
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 "Camera2" 18#define ATRACE_TAG ATRACE_TAG_CAMERA 19//#define LOG_NDEBUG 0 20 21#include <utils/Log.h> 22#include <utils/Trace.h> 23 24#include <cutils/properties.h> 25#include <gui/SurfaceTextureClient.h> 26#include <gui/Surface.h> 27#include "camera2/Parameters.h" 28#include "Camera2Client.h" 29 30#define ALOG1(...) ALOGD_IF(gLogLevel >= 1, __VA_ARGS__); 31#define ALOG2(...) ALOGD_IF(gLogLevel >= 2, __VA_ARGS__); 32 33namespace android { 34using namespace camera2; 35 36static int getCallingPid() { 37 return IPCThreadState::self()->getCallingPid(); 38} 39 40static int getCallingUid() { 41 return IPCThreadState::self()->getCallingUid(); 42} 43 44// Interface used by CameraService 45 46Camera2Client::Camera2Client(const sp<CameraService>& cameraService, 47 const sp<ICameraClient>& cameraClient, 48 int cameraId, 49 int cameraFacing, 50 int clientPid, 51 int servicePid): 52 Client(cameraService, cameraClient, 53 cameraId, cameraFacing, clientPid, servicePid), 54 mSharedCameraClient(cameraClient), 55 mParameters(cameraId, cameraFacing) 56{ 57 ATRACE_CALL(); 58 ALOGI("Camera %d: Opened", cameraId); 59 60 mDevice = new Camera2Device(cameraId); 61 62 SharedParameters::Lock l(mParameters); 63 l.mParameters.state = Parameters::DISCONNECTED; 64} 65 66status_t Camera2Client::checkPid(const char* checkLocation) const { 67 int callingPid = getCallingPid(); 68 if (callingPid == mClientPid || callingPid == mServicePid) return NO_ERROR; 69 70 ALOGE("%s: attempt to use a locked camera from a different process" 71 " (old pid %d, new pid %d, servicePid %d)", checkLocation, mClientPid, callingPid, mServicePid); 72 return PERMISSION_DENIED; 73} 74 75status_t Camera2Client::initialize(camera_module_t *module) 76{ 77 ATRACE_CALL(); 78 ALOGV("%s: Initializing client for camera %d", __FUNCTION__, mCameraId); 79 status_t res; 80 81 res = mDevice->initialize(module); 82 if (res != OK) { 83 ALOGE("%s: Camera %d: unable to initialize device: %s (%d)", 84 __FUNCTION__, mCameraId, strerror(-res), res); 85 return NO_INIT; 86 } 87 88 res = mDevice->setNotifyCallback(this); 89 90 SharedParameters::Lock l(mParameters); 91 92 res = l.mParameters.initialize(&(mDevice->info())); 93 if (res != OK) { 94 ALOGE("%s: Camera %d: unable to build defaults: %s (%d)", 95 __FUNCTION__, mCameraId, strerror(-res), res); 96 return NO_INIT; 97 } 98 99 String8 threadName; 100 101 mStreamingProcessor = new StreamingProcessor(this); 102 103 mFrameProcessor = new FrameProcessor(this); 104 threadName = String8::format("C2-%d-FrameProc", 105 mCameraId); 106 mFrameProcessor->run(threadName.string()); 107 108 mCaptureSequencer = new CaptureSequencer(this); 109 threadName = String8::format("C2-%d-CaptureSeq", 110 mCameraId); 111 mCaptureSequencer->run(threadName.string()); 112 113 mJpegProcessor = new JpegProcessor(this, mCaptureSequencer); 114 threadName = String8::format("C2-%d-JpegProc", 115 mCameraId); 116 mJpegProcessor->run(threadName.string()); 117 118 mZslProcessor = new ZslProcessor(this, mCaptureSequencer); 119 threadName = String8::format("C2-%d-ZslProc", 120 mCameraId); 121 mZslProcessor->run(threadName.string()); 122 123 mCallbackProcessor = new CallbackProcessor(this); 124 threadName = String8::format("C2-%d-CallbkProc", 125 mCameraId); 126 mCallbackProcessor->run(threadName.string()); 127 128 if (gLogLevel >= 1) { 129 ALOGD("%s: Default parameters converted from camera %d:", __FUNCTION__, 130 mCameraId); 131 ALOGD("%s", l.mParameters.paramsFlattened.string()); 132 } 133 134 return OK; 135} 136 137Camera2Client::~Camera2Client() { 138 ATRACE_CALL(); 139 140 mDestructionStarted = true; 141 142 Parameters::State state; 143 // warning: 144 // holding on to locks more than necessary may be hazardous to your health 145 { 146 SharedParameters::Lock l(mParameters); 147 state = l.mParameters.state; 148 } 149 150 if (state != Parameters::DISCONNECTED) { 151 // Rewrite mClientPid to allow shutdown by CameraService 152 mClientPid = getCallingPid(); 153 disconnect(); 154 } 155 156 ALOGI("Camera %d: Closed", mCameraId); 157} 158 159status_t Camera2Client::dump(int fd, const Vector<String16>& args) { 160 String8 result; 161 result.appendFormat("Client2[%d] (%p) PID: %d, dump:\n", 162 mCameraId, 163 getCameraClient()->asBinder().get(), 164 mClientPid); 165 result.append(" State: "); 166#define CASE_APPEND_ENUM(x) case x: result.append(#x "\n"); break; 167 168 const Parameters& p = mParameters.unsafeAccess(); 169 170 result.append(Parameters::getStateName(p.state)); 171 172 result.append("\n Current parameters:\n"); 173 result.appendFormat(" Preview size: %d x %d\n", 174 p.previewWidth, p.previewHeight); 175 result.appendFormat(" Preview FPS range: %d - %d\n", 176 p.previewFpsRange[0], p.previewFpsRange[1]); 177 result.appendFormat(" Preview HAL pixel format: 0x%x\n", 178 p.previewFormat); 179 result.appendFormat(" Preview transform: %x\n", 180 p.previewTransform); 181 result.appendFormat(" Picture size: %d x %d\n", 182 p.pictureWidth, p.pictureHeight); 183 result.appendFormat(" Jpeg thumbnail size: %d x %d\n", 184 p.jpegThumbSize[0], p.jpegThumbSize[1]); 185 result.appendFormat(" Jpeg quality: %d, thumbnail quality: %d\n", 186 p.jpegQuality, p.jpegThumbQuality); 187 result.appendFormat(" Jpeg rotation: %d\n", p.jpegRotation); 188 result.appendFormat(" GPS tags %s\n", 189 p.gpsEnabled ? "enabled" : "disabled"); 190 if (p.gpsEnabled) { 191 result.appendFormat(" GPS lat x long x alt: %f x %f x %f\n", 192 p.gpsCoordinates[0], p.gpsCoordinates[1], 193 p.gpsCoordinates[2]); 194 result.appendFormat(" GPS timestamp: %lld\n", 195 p.gpsTimestamp); 196 result.appendFormat(" GPS processing method: %s\n", 197 p.gpsProcessingMethod.string()); 198 } 199 200 result.append(" White balance mode: "); 201 switch (p.wbMode) { 202 CASE_APPEND_ENUM(ANDROID_CONTROL_AWB_AUTO) 203 CASE_APPEND_ENUM(ANDROID_CONTROL_AWB_INCANDESCENT) 204 CASE_APPEND_ENUM(ANDROID_CONTROL_AWB_FLUORESCENT) 205 CASE_APPEND_ENUM(ANDROID_CONTROL_AWB_WARM_FLUORESCENT) 206 CASE_APPEND_ENUM(ANDROID_CONTROL_AWB_DAYLIGHT) 207 CASE_APPEND_ENUM(ANDROID_CONTROL_AWB_CLOUDY_DAYLIGHT) 208 CASE_APPEND_ENUM(ANDROID_CONTROL_AWB_TWILIGHT) 209 CASE_APPEND_ENUM(ANDROID_CONTROL_AWB_SHADE) 210 default: result.append("UNKNOWN\n"); 211 } 212 213 result.append(" Effect mode: "); 214 switch (p.effectMode) { 215 CASE_APPEND_ENUM(ANDROID_CONTROL_EFFECT_OFF) 216 CASE_APPEND_ENUM(ANDROID_CONTROL_EFFECT_MONO) 217 CASE_APPEND_ENUM(ANDROID_CONTROL_EFFECT_NEGATIVE) 218 CASE_APPEND_ENUM(ANDROID_CONTROL_EFFECT_SOLARIZE) 219 CASE_APPEND_ENUM(ANDROID_CONTROL_EFFECT_SEPIA) 220 CASE_APPEND_ENUM(ANDROID_CONTROL_EFFECT_POSTERIZE) 221 CASE_APPEND_ENUM(ANDROID_CONTROL_EFFECT_WHITEBOARD) 222 CASE_APPEND_ENUM(ANDROID_CONTROL_EFFECT_BLACKBOARD) 223 CASE_APPEND_ENUM(ANDROID_CONTROL_EFFECT_AQUA) 224 default: result.append("UNKNOWN\n"); 225 } 226 227 result.append(" Antibanding mode: "); 228 switch (p.antibandingMode) { 229 CASE_APPEND_ENUM(ANDROID_CONTROL_AE_ANTIBANDING_AUTO) 230 CASE_APPEND_ENUM(ANDROID_CONTROL_AE_ANTIBANDING_OFF) 231 CASE_APPEND_ENUM(ANDROID_CONTROL_AE_ANTIBANDING_50HZ) 232 CASE_APPEND_ENUM(ANDROID_CONTROL_AE_ANTIBANDING_60HZ) 233 default: result.append("UNKNOWN\n"); 234 } 235 236 result.append(" Scene mode: "); 237 switch (p.sceneMode) { 238 case ANDROID_CONTROL_SCENE_MODE_UNSUPPORTED: 239 result.append("AUTO\n"); break; 240 CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_ACTION) 241 CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_PORTRAIT) 242 CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_LANDSCAPE) 243 CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_NIGHT) 244 CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_NIGHT_PORTRAIT) 245 CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_THEATRE) 246 CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_BEACH) 247 CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_SNOW) 248 CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_SUNSET) 249 CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_STEADYPHOTO) 250 CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_FIREWORKS) 251 CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_SPORTS) 252 CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_PARTY) 253 CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_CANDLELIGHT) 254 CASE_APPEND_ENUM(ANDROID_CONTROL_SCENE_MODE_BARCODE) 255 default: result.append("UNKNOWN\n"); 256 } 257 258 result.append(" Flash mode: "); 259 switch (p.flashMode) { 260 CASE_APPEND_ENUM(Parameters::FLASH_MODE_OFF) 261 CASE_APPEND_ENUM(Parameters::FLASH_MODE_AUTO) 262 CASE_APPEND_ENUM(Parameters::FLASH_MODE_ON) 263 CASE_APPEND_ENUM(Parameters::FLASH_MODE_TORCH) 264 CASE_APPEND_ENUM(Parameters::FLASH_MODE_RED_EYE) 265 CASE_APPEND_ENUM(Parameters::FLASH_MODE_INVALID) 266 default: result.append("UNKNOWN\n"); 267 } 268 269 result.append(" Focus mode: "); 270 switch (p.focusMode) { 271 CASE_APPEND_ENUM(Parameters::FOCUS_MODE_AUTO) 272 CASE_APPEND_ENUM(Parameters::FOCUS_MODE_MACRO) 273 CASE_APPEND_ENUM(Parameters::FOCUS_MODE_CONTINUOUS_VIDEO) 274 CASE_APPEND_ENUM(Parameters::FOCUS_MODE_CONTINUOUS_PICTURE) 275 CASE_APPEND_ENUM(Parameters::FOCUS_MODE_EDOF) 276 CASE_APPEND_ENUM(Parameters::FOCUS_MODE_INFINITY) 277 CASE_APPEND_ENUM(Parameters::FOCUS_MODE_FIXED) 278 CASE_APPEND_ENUM(Parameters::FOCUS_MODE_INVALID) 279 default: result.append("UNKNOWN\n"); 280 } 281 282 result.append(" Focusing areas:\n"); 283 for (size_t i = 0; i < p.focusingAreas.size(); i++) { 284 result.appendFormat(" [ (%d, %d, %d, %d), weight %d ]\n", 285 p.focusingAreas[i].left, 286 p.focusingAreas[i].top, 287 p.focusingAreas[i].right, 288 p.focusingAreas[i].bottom, 289 p.focusingAreas[i].weight); 290 } 291 292 result.appendFormat(" Exposure compensation index: %d\n", 293 p.exposureCompensation); 294 295 result.appendFormat(" AE lock %s, AWB lock %s\n", 296 p.autoExposureLock ? "enabled" : "disabled", 297 p.autoWhiteBalanceLock ? "enabled" : "disabled" ); 298 299 result.appendFormat(" Metering areas:\n"); 300 for (size_t i = 0; i < p.meteringAreas.size(); i++) { 301 result.appendFormat(" [ (%d, %d, %d, %d), weight %d ]\n", 302 p.meteringAreas[i].left, 303 p.meteringAreas[i].top, 304 p.meteringAreas[i].right, 305 p.meteringAreas[i].bottom, 306 p.meteringAreas[i].weight); 307 } 308 309 result.appendFormat(" Zoom index: %d\n", p.zoom); 310 result.appendFormat(" Video size: %d x %d\n", p.videoWidth, 311 p.videoHeight); 312 313 result.appendFormat(" Recording hint is %s\n", 314 p.recordingHint ? "set" : "not set"); 315 316 result.appendFormat(" Video stabilization is %s\n", 317 p.videoStabilization ? "enabled" : "disabled"); 318 319 result.append(" Current streams:\n"); 320 result.appendFormat(" Preview stream ID: %d\n", 321 getPreviewStreamId()); 322 result.appendFormat(" Capture stream ID: %d\n", 323 getCaptureStreamId()); 324 result.appendFormat(" Recording stream ID: %d\n", 325 getRecordingStreamId()); 326 327 result.append(" Quirks for this camera:\n"); 328 bool haveQuirk = false; 329 if (p.quirks.triggerAfWithAuto) { 330 result.appendFormat(" triggerAfWithAuto\n"); 331 haveQuirk = true; 332 } 333 if (p.quirks.useZslFormat) { 334 result.appendFormat(" useZslFormat\n"); 335 haveQuirk = true; 336 } 337 if (!haveQuirk) { 338 result.appendFormat(" none\n"); 339 } 340 341 write(fd, result.string(), result.size()); 342 343 mStreamingProcessor->dump(fd, args); 344 345 mCaptureSequencer->dump(fd, args); 346 347 mFrameProcessor->dump(fd, args); 348 349 mZslProcessor->dump(fd, args); 350 351 result = " Device dump:\n"; 352 write(fd, result.string(), result.size()); 353 354 status_t res = mDevice->dump(fd, args); 355 if (res != OK) { 356 result = String8::format(" Error dumping device: %s (%d)", 357 strerror(-res), res); 358 write(fd, result.string(), result.size()); 359 } 360 361#undef CASE_APPEND_ENUM 362 return NO_ERROR; 363} 364 365// ICamera interface 366 367void Camera2Client::disconnect() { 368 ATRACE_CALL(); 369 Mutex::Autolock icl(mICameraLock); 370 status_t res; 371 if ( (res = checkPid(__FUNCTION__) ) != OK) return; 372 373 if (mDevice == 0) return; 374 375 ALOGV("Camera %d: Shutting down", mCameraId); 376 377 stopPreviewL(); 378 379 { 380 SharedParameters::Lock l(mParameters); 381 l.mParameters.state = Parameters::DISCONNECTED; 382 } 383 384 mStreamingProcessor->deletePreviewStream(); 385 mStreamingProcessor->deleteRecordingStream(); 386 mJpegProcessor->deleteStream(); 387 mCallbackProcessor->deleteStream(); 388 mZslProcessor->deleteStream(); 389 390 mFrameProcessor->requestExit(); 391 mCaptureSequencer->requestExit(); 392 mJpegProcessor->requestExit(); 393 mZslProcessor->requestExit(); 394 mCallbackProcessor->requestExit(); 395 396 ALOGV("Camera %d: Waiting for threads", mCameraId); 397 398 mFrameProcessor->join(); 399 mCaptureSequencer->join(); 400 mJpegProcessor->join(); 401 mZslProcessor->join(); 402 mCallbackProcessor->join(); 403 404 ALOGV("Camera %d: Disconnecting device", mCameraId); 405 406 mDevice->disconnect(); 407 408 mDevice.clear(); 409 410 CameraService::Client::disconnect(); 411} 412 413status_t Camera2Client::connect(const sp<ICameraClient>& client) { 414 ATRACE_CALL(); 415 ALOGV("%s: E", __FUNCTION__); 416 Mutex::Autolock icl(mICameraLock); 417 418 if (mClientPid != 0 && getCallingPid() != mClientPid) { 419 ALOGE("%s: Camera %d: Connection attempt from pid %d; " 420 "current locked to pid %d", __FUNCTION__, 421 mCameraId, getCallingPid(), mClientPid); 422 return BAD_VALUE; 423 } 424 425 mClientPid = getCallingPid(); 426 427 mCameraClient = client; 428 mSharedCameraClient = client; 429 430 return OK; 431} 432 433status_t Camera2Client::lock() { 434 ATRACE_CALL(); 435 ALOGV("%s: E", __FUNCTION__); 436 Mutex::Autolock icl(mICameraLock); 437 ALOGV("%s: Camera %d: Lock call from pid %d; current client pid %d", 438 __FUNCTION__, mCameraId, getCallingPid(), mClientPid); 439 440 if (mClientPid == 0) { 441 mClientPid = getCallingPid(); 442 return OK; 443 } 444 445 if (mClientPid != getCallingPid()) { 446 ALOGE("%s: Camera %d: Lock call from pid %d; currently locked to pid %d", 447 __FUNCTION__, mCameraId, getCallingPid(), mClientPid); 448 return EBUSY; 449 } 450 451 return OK; 452} 453 454status_t Camera2Client::unlock() { 455 ATRACE_CALL(); 456 ALOGV("%s: E", __FUNCTION__); 457 Mutex::Autolock icl(mICameraLock); 458 ALOGV("%s: Camera %d: Unlock call from pid %d; current client pid %d", 459 __FUNCTION__, mCameraId, getCallingPid(), mClientPid); 460 461 // TODO: Check for uninterruptable conditions 462 463 if (mClientPid == getCallingPid()) { 464 mClientPid = 0; 465 mCameraClient.clear(); 466 mSharedCameraClient.clear(); 467 return OK; 468 } 469 470 ALOGE("%s: Camera %d: Unlock call from pid %d; currently locked to pid %d", 471 __FUNCTION__, mCameraId, getCallingPid(), mClientPid); 472 return EBUSY; 473} 474 475status_t Camera2Client::setPreviewDisplay( 476 const sp<Surface>& surface) { 477 ATRACE_CALL(); 478 ALOGV("%s: E", __FUNCTION__); 479 Mutex::Autolock icl(mICameraLock); 480 status_t res; 481 if ( (res = checkPid(__FUNCTION__) ) != OK) return res; 482 483 sp<IBinder> binder; 484 sp<ANativeWindow> window; 485 if (surface != 0) { 486 binder = surface->asBinder(); 487 window = surface; 488 } 489 490 return setPreviewWindowL(binder,window); 491} 492 493status_t Camera2Client::setPreviewTexture( 494 const sp<ISurfaceTexture>& surfaceTexture) { 495 ATRACE_CALL(); 496 ALOGV("%s: E", __FUNCTION__); 497 Mutex::Autolock icl(mICameraLock); 498 status_t res; 499 if ( (res = checkPid(__FUNCTION__) ) != OK) return res; 500 501 sp<IBinder> binder; 502 sp<ANativeWindow> window; 503 if (surfaceTexture != 0) { 504 binder = surfaceTexture->asBinder(); 505 window = new SurfaceTextureClient(surfaceTexture); 506 } 507 return setPreviewWindowL(binder, window); 508} 509 510status_t Camera2Client::setPreviewWindowL(const sp<IBinder>& binder, 511 sp<ANativeWindow> window) { 512 ATRACE_CALL(); 513 status_t res; 514 515 if (binder == mPreviewSurface) { 516 ALOGV("%s: Camera %d: New window is same as old window", 517 __FUNCTION__, mCameraId); 518 return NO_ERROR; 519 } 520 521 SharedParameters::Lock l(mParameters); 522 switch (l.mParameters.state) { 523 case Parameters::DISCONNECTED: 524 case Parameters::RECORD: 525 case Parameters::STILL_CAPTURE: 526 case Parameters::VIDEO_SNAPSHOT: 527 ALOGE("%s: Camera %d: Cannot set preview display while in state %s", 528 __FUNCTION__, mCameraId, 529 Parameters::getStateName(l.mParameters.state)); 530 return INVALID_OPERATION; 531 case Parameters::STOPPED: 532 case Parameters::WAITING_FOR_PREVIEW_WINDOW: 533 // OK 534 break; 535 case Parameters::PREVIEW: 536 // Already running preview - need to stop and create a new stream 537 // TODO: Optimize this so that we don't wait for old stream to drain 538 // before spinning up new stream 539 mDevice->clearStreamingRequest(); 540 l.mParameters.state = Parameters::WAITING_FOR_PREVIEW_WINDOW; 541 break; 542 } 543 544 mPreviewSurface = binder; 545 res = mStreamingProcessor->setPreviewWindow(window); 546 if (res != OK) { 547 ALOGE("%s: Unable to set new preview window: %s (%d)", 548 __FUNCTION__, strerror(-res), res); 549 return res; 550 } 551 552 if (l.mParameters.state == Parameters::WAITING_FOR_PREVIEW_WINDOW) { 553 return startPreviewL(l.mParameters, false); 554 } 555 556 return OK; 557} 558 559void Camera2Client::setPreviewCallbackFlag(int flag) { 560 ATRACE_CALL(); 561 ALOGV("%s: Camera %d: Flag 0x%x", __FUNCTION__, mCameraId, flag); 562 Mutex::Autolock icl(mICameraLock); 563 status_t res; 564 if ( checkPid(__FUNCTION__) != OK) return; 565 566 SharedParameters::Lock l(mParameters); 567 setPreviewCallbackFlagL(l.mParameters, flag); 568} 569 570void Camera2Client::setPreviewCallbackFlagL(Parameters ¶ms, int flag) { 571 status_t res = OK; 572 if (flag & CAMERA_FRAME_CALLBACK_FLAG_ONE_SHOT_MASK) { 573 ALOGV("%s: setting oneshot", __FUNCTION__); 574 params.previewCallbackOneShot = true; 575 } 576 if (params.previewCallbackFlags != (uint32_t)flag) { 577 params.previewCallbackFlags = flag; 578 switch(params.state) { 579 case Parameters::PREVIEW: 580 res = startPreviewL(params, true); 581 break; 582 case Parameters::RECORD: 583 case Parameters::VIDEO_SNAPSHOT: 584 res = startRecordingL(params, true); 585 break; 586 default: 587 break; 588 } 589 if (res != OK) { 590 ALOGE("%s: Camera %d: Unable to refresh request in state %s", 591 __FUNCTION__, mCameraId, 592 Parameters::getStateName(params.state)); 593 } 594 } 595 596} 597 598status_t Camera2Client::startPreview() { 599 ATRACE_CALL(); 600 ALOGV("%s: E", __FUNCTION__); 601 Mutex::Autolock icl(mICameraLock); 602 status_t res; 603 if ( (res = checkPid(__FUNCTION__) ) != OK) return res; 604 SharedParameters::Lock l(mParameters); 605 return startPreviewL(l.mParameters, false); 606} 607 608status_t Camera2Client::startPreviewL(Parameters ¶ms, bool restart) { 609 ATRACE_CALL(); 610 status_t res; 611 612 ALOGV("%s: state == %d, restart = %d", __FUNCTION__, params.state, restart); 613 614 if (params.state == Parameters::PREVIEW && !restart) { 615 // Succeed attempt to re-enter preview state 616 ALOGI("%s: Not starting preview; already in preview state.", 617 __FUNCTION__); 618 return OK; 619 } 620 if (params.state > Parameters::PREVIEW && !restart) { 621 ALOGE("%s: Can't start preview in state %s", 622 __FUNCTION__, 623 Parameters::getStateName(params.state)); 624 return INVALID_OPERATION; 625 } 626 627 if (!mStreamingProcessor->haveValidPreviewWindow()) { 628 params.state = Parameters::WAITING_FOR_PREVIEW_WINDOW; 629 return OK; 630 } 631 params.state = Parameters::STOPPED; 632 633 res = mStreamingProcessor->updatePreviewStream(params); 634 if (res != OK) { 635 ALOGE("%s: Camera %d: Unable to update preview stream: %s (%d)", 636 __FUNCTION__, mCameraId, strerror(-res), res); 637 return res; 638 } 639 640 Vector<uint8_t> outputStreams; 641 bool callbacksEnabled = params.previewCallbackFlags & 642 CAMERA_FRAME_CALLBACK_FLAG_ENABLE_MASK; 643 if (callbacksEnabled) { 644 res = mCallbackProcessor->updateStream(params); 645 if (res != OK) { 646 ALOGE("%s: Camera %d: Unable to update callback stream: %s (%d)", 647 __FUNCTION__, mCameraId, strerror(-res), res); 648 return res; 649 } 650 outputStreams.push(getCallbackStreamId()); 651 } 652 if (params.zslMode && !params.recordingHint) { 653 res = mZslProcessor->updateStream(params); 654 if (res != OK) { 655 ALOGE("%s: Camera %d: Unable to update ZSL stream: %s (%d)", 656 __FUNCTION__, mCameraId, strerror(-res), res); 657 return res; 658 } 659 outputStreams.push(getZslStreamId()); 660 } 661 662 outputStreams.push(getPreviewStreamId()); 663 664 if (!params.recordingHint) { 665 if (!restart) { 666 res = mStreamingProcessor->updatePreviewRequest(params); 667 if (res != OK) { 668 ALOGE("%s: Camera %d: Can't set up preview request: " 669 "%s (%d)", __FUNCTION__, mCameraId, 670 strerror(-res), res); 671 return res; 672 } 673 } 674 res = mStreamingProcessor->startStream(StreamingProcessor::PREVIEW, 675 outputStreams); 676 } else { 677 // With recording hint set, we're going to be operating under the 678 // assumption that the user will record video. To optimize recording 679 // startup time, create the necessary output streams for recording and 680 // video snapshot now if they don't already exist. 681 res = mJpegProcessor->updateStream(params); 682 if (res != OK) { 683 ALOGE("%s: Camera %d: Can't pre-configure still image " 684 "stream: %s (%d)", 685 __FUNCTION__, mCameraId, strerror(-res), res); 686 return res; 687 } 688 689 if (!restart) { 690 res = mStreamingProcessor->updateRecordingRequest(params); 691 if (res != OK) { 692 ALOGE("%s: Camera %d: Can't set up preview request with " 693 "record hint: %s (%d)", __FUNCTION__, mCameraId, 694 strerror(-res), res); 695 return res; 696 } 697 } 698 res = mStreamingProcessor->startStream(StreamingProcessor::RECORD, 699 outputStreams); 700 } 701 if (res != OK) { 702 ALOGE("%s: Camera %d: Unable to start streaming preview: %s (%d)", 703 __FUNCTION__, mCameraId, strerror(-res), res); 704 return res; 705 } 706 707 params.state = Parameters::PREVIEW; 708 return OK; 709} 710 711void Camera2Client::stopPreview() { 712 ATRACE_CALL(); 713 ALOGV("%s: E", __FUNCTION__); 714 Mutex::Autolock icl(mICameraLock); 715 status_t res; 716 if ( (res = checkPid(__FUNCTION__) ) != OK) return; 717 stopPreviewL(); 718} 719 720void Camera2Client::stopPreviewL() { 721 ATRACE_CALL(); 722 Parameters::State state; 723 { 724 SharedParameters::Lock l(mParameters); 725 state = l.mParameters.state; 726 } 727 728 switch (state) { 729 case Parameters::DISCONNECTED: 730 ALOGE("%s: Camera %d: Call before initialized", 731 __FUNCTION__, mCameraId); 732 break; 733 case Parameters::STOPPED: 734 break; 735 case Parameters::STILL_CAPTURE: 736 ALOGE("%s: Camera %d: Cannot stop preview during still capture.", 737 __FUNCTION__, mCameraId); 738 break; 739 case Parameters::RECORD: 740 // no break - identical to preview 741 case Parameters::PREVIEW: 742 mStreamingProcessor->stopStream(); 743 // no break 744 case Parameters::WAITING_FOR_PREVIEW_WINDOW: { 745 SharedParameters::Lock l(mParameters); 746 l.mParameters.state = Parameters::STOPPED; 747 commandStopFaceDetectionL(l.mParameters); 748 break; 749 } 750 default: 751 ALOGE("%s: Camera %d: Unknown state %d", __FUNCTION__, mCameraId, 752 state); 753 } 754} 755 756bool Camera2Client::previewEnabled() { 757 ATRACE_CALL(); 758 Mutex::Autolock icl(mICameraLock); 759 status_t res; 760 if ( (res = checkPid(__FUNCTION__) ) != OK) return false; 761 762 SharedParameters::Lock l(mParameters); 763 return l.mParameters.state == Parameters::PREVIEW; 764} 765 766status_t Camera2Client::storeMetaDataInBuffers(bool enabled) { 767 ATRACE_CALL(); 768 Mutex::Autolock icl(mICameraLock); 769 status_t res; 770 if ( (res = checkPid(__FUNCTION__) ) != OK) return res; 771 772 SharedParameters::Lock l(mParameters); 773 switch (l.mParameters.state) { 774 case Parameters::RECORD: 775 case Parameters::VIDEO_SNAPSHOT: 776 ALOGE("%s: Camera %d: Can't be called in state %s", 777 __FUNCTION__, mCameraId, 778 Parameters::getStateName(l.mParameters.state)); 779 return INVALID_OPERATION; 780 default: 781 // OK 782 break; 783 } 784 785 l.mParameters.storeMetadataInBuffers = enabled; 786 787 return OK; 788} 789 790status_t Camera2Client::startRecording() { 791 ATRACE_CALL(); 792 ALOGV("%s: E", __FUNCTION__); 793 Mutex::Autolock icl(mICameraLock); 794 status_t res; 795 if ( (res = checkPid(__FUNCTION__) ) != OK) return res; 796 SharedParameters::Lock l(mParameters); 797 798 return startRecordingL(l.mParameters, false); 799} 800 801status_t Camera2Client::startRecordingL(Parameters ¶ms, bool restart) { 802 status_t res; 803 804 ALOGV("%s: state == %d, restart = %d", __FUNCTION__, params.state, restart); 805 806 switch (params.state) { 807 case Parameters::STOPPED: 808 res = startPreviewL(params, false); 809 if (res != OK) return res; 810 break; 811 case Parameters::PREVIEW: 812 // Ready to go 813 break; 814 case Parameters::RECORD: 815 case Parameters::VIDEO_SNAPSHOT: 816 // OK to call this when recording is already on, just skip unless 817 // we're looking to restart 818 if (!restart) return OK; 819 break; 820 default: 821 ALOGE("%s: Camera %d: Can't start recording in state %s", 822 __FUNCTION__, mCameraId, 823 Parameters::getStateName(params.state)); 824 return INVALID_OPERATION; 825 }; 826 827 if (!params.storeMetadataInBuffers) { 828 ALOGE("%s: Camera %d: Recording only supported in metadata mode, but " 829 "non-metadata recording mode requested!", __FUNCTION__, 830 mCameraId); 831 return INVALID_OPERATION; 832 } 833 834 if (!restart) { 835 mCameraService->playSound(CameraService::SOUND_RECORDING); 836 mStreamingProcessor->updateRecordingRequest(params); 837 if (res != OK) { 838 ALOGE("%s: Camera %d: Unable to update recording request: %s (%d)", 839 __FUNCTION__, mCameraId, strerror(-res), res); 840 return res; 841 } 842 } 843 844 res = mStreamingProcessor->updateRecordingStream(params); 845 if (res != OK) { 846 ALOGE("%s: Camera %d: Unable to update recording stream: %s (%d)", 847 __FUNCTION__, mCameraId, strerror(-res), res); 848 return res; 849 } 850 851 Vector<uint8_t> outputStreams; 852 bool callbacksEnabled = params.previewCallbackFlags & 853 CAMERA_FRAME_CALLBACK_FLAG_ENABLE_MASK; 854 if (callbacksEnabled) { 855 res = mCallbackProcessor->updateStream(params); 856 if (res != OK) { 857 ALOGE("%s: Camera %d: Unable to update callback stream: %s (%d)", 858 __FUNCTION__, mCameraId, strerror(-res), res); 859 return res; 860 } 861 outputStreams.push(getCallbackStreamId()); 862 } 863 outputStreams.push(getPreviewStreamId()); 864 outputStreams.push(getRecordingStreamId()); 865 866 res = mStreamingProcessor->startStream(StreamingProcessor::RECORD, 867 outputStreams); 868 if (res != OK) { 869 ALOGE("%s: Camera %d: Unable to start recording stream: %s (%d)", 870 __FUNCTION__, mCameraId, strerror(-res), res); 871 return res; 872 } 873 874 if (params.state < Parameters::RECORD) { 875 params.state = Parameters::RECORD; 876 } 877 878 return OK; 879} 880 881void Camera2Client::stopRecording() { 882 ATRACE_CALL(); 883 ALOGV("%s: E", __FUNCTION__); 884 Mutex::Autolock icl(mICameraLock); 885 SharedParameters::Lock l(mParameters); 886 887 status_t res; 888 if ( (res = checkPid(__FUNCTION__) ) != OK) return; 889 890 switch (l.mParameters.state) { 891 case Parameters::RECORD: 892 // OK to stop 893 break; 894 case Parameters::STOPPED: 895 case Parameters::PREVIEW: 896 case Parameters::STILL_CAPTURE: 897 case Parameters::VIDEO_SNAPSHOT: 898 default: 899 ALOGE("%s: Camera %d: Can't stop recording in state %s", 900 __FUNCTION__, mCameraId, 901 Parameters::getStateName(l.mParameters.state)); 902 return; 903 }; 904 905 mCameraService->playSound(CameraService::SOUND_RECORDING); 906 907 res = startPreviewL(l.mParameters, true); 908 if (res != OK) { 909 ALOGE("%s: Camera %d: Unable to return to preview", 910 __FUNCTION__, mCameraId); 911 } 912} 913 914bool Camera2Client::recordingEnabled() { 915 ATRACE_CALL(); 916 Mutex::Autolock icl(mICameraLock); 917 918 if ( checkPid(__FUNCTION__) != OK) return false; 919 920 return recordingEnabledL(); 921} 922 923bool Camera2Client::recordingEnabledL() { 924 ATRACE_CALL(); 925 SharedParameters::Lock l(mParameters); 926 927 return (l.mParameters.state == Parameters::RECORD 928 || l.mParameters.state == Parameters::VIDEO_SNAPSHOT); 929} 930 931void Camera2Client::releaseRecordingFrame(const sp<IMemory>& mem) { 932 ATRACE_CALL(); 933 Mutex::Autolock icl(mICameraLock); 934 if ( checkPid(__FUNCTION__) != OK) return; 935 936 mStreamingProcessor->releaseRecordingFrame(mem); 937} 938 939status_t Camera2Client::autoFocus() { 940 ATRACE_CALL(); 941 Mutex::Autolock icl(mICameraLock); 942 ALOGV("%s: Camera %d", __FUNCTION__, mCameraId); 943 status_t res; 944 if ( (res = checkPid(__FUNCTION__) ) != OK) return res; 945 946 int triggerId; 947 { 948 SharedParameters::Lock l(mParameters); 949 l.mParameters.currentAfTriggerId = ++l.mParameters.afTriggerCounter; 950 triggerId = l.mParameters.currentAfTriggerId; 951 } 952 953 mDevice->triggerAutofocus(triggerId); 954 955 return OK; 956} 957 958status_t Camera2Client::cancelAutoFocus() { 959 ATRACE_CALL(); 960 Mutex::Autolock icl(mICameraLock); 961 ALOGV("%s: Camera %d", __FUNCTION__, mCameraId); 962 status_t res; 963 if ( (res = checkPid(__FUNCTION__) ) != OK) return res; 964 965 int triggerId; 966 { 967 SharedParameters::Lock l(mParameters); 968 triggerId = ++l.mParameters.afTriggerCounter; 969 } 970 971 mDevice->triggerCancelAutofocus(triggerId); 972 973 return OK; 974} 975 976status_t Camera2Client::takePicture(int msgType) { 977 ATRACE_CALL(); 978 Mutex::Autolock icl(mICameraLock); 979 status_t res; 980 if ( (res = checkPid(__FUNCTION__) ) != OK) return res; 981 982 SharedParameters::Lock l(mParameters); 983 switch (l.mParameters.state) { 984 case Parameters::DISCONNECTED: 985 case Parameters::STOPPED: 986 case Parameters::WAITING_FOR_PREVIEW_WINDOW: 987 ALOGE("%s: Camera %d: Cannot take picture without preview enabled", 988 __FUNCTION__, mCameraId); 989 return INVALID_OPERATION; 990 case Parameters::PREVIEW: 991 // Good to go for takePicture 992 res = commandStopFaceDetectionL(l.mParameters); 993 if (res != OK) { 994 ALOGE("%s: Camera %d: Unable to stop face detection for still capture", 995 __FUNCTION__, mCameraId); 996 return res; 997 } 998 l.mParameters.state = Parameters::STILL_CAPTURE; 999 break; 1000 case Parameters::RECORD: 1001 // Good to go for video snapshot 1002 l.mParameters.state = Parameters::VIDEO_SNAPSHOT; 1003 break; 1004 case Parameters::STILL_CAPTURE: 1005 case Parameters::VIDEO_SNAPSHOT: 1006 ALOGE("%s: Camera %d: Already taking a picture", 1007 __FUNCTION__, mCameraId); 1008 return INVALID_OPERATION; 1009 } 1010 1011 ALOGV("%s: Camera %d: Starting picture capture", __FUNCTION__, mCameraId); 1012 1013 res = mJpegProcessor->updateStream(l.mParameters); 1014 if (res != OK) { 1015 ALOGE("%s: Camera %d: Can't set up still image stream: %s (%d)", 1016 __FUNCTION__, mCameraId, strerror(-res), res); 1017 return res; 1018 } 1019 1020 res = mCaptureSequencer->startCapture(); 1021 if (res != OK) { 1022 ALOGE("%s: Camera %d: Unable to start capture: %s (%d)", 1023 __FUNCTION__, mCameraId, strerror(-res), res); 1024 } 1025 1026 return res; 1027} 1028 1029status_t Camera2Client::setParameters(const String8& params) { 1030 ATRACE_CALL(); 1031 ALOGV("%s: Camera %d", __FUNCTION__, mCameraId); 1032 Mutex::Autolock icl(mICameraLock); 1033 status_t res; 1034 if ( (res = checkPid(__FUNCTION__) ) != OK) return res; 1035 1036 SharedParameters::Lock l(mParameters); 1037 1038 res = l.mParameters.set(params); 1039 if (res != OK) return res; 1040 1041 res = updateRequests(l.mParameters); 1042 1043 return res; 1044} 1045 1046String8 Camera2Client::getParameters() const { 1047 ATRACE_CALL(); 1048 ALOGV("%s: Camera %d", __FUNCTION__, mCameraId); 1049 Mutex::Autolock icl(mICameraLock); 1050 if ( checkPid(__FUNCTION__) != OK) return String8(); 1051 1052 SharedParameters::ReadLock l(mParameters); 1053 1054 return l.mParameters.get(); 1055} 1056 1057status_t Camera2Client::sendCommand(int32_t cmd, int32_t arg1, int32_t arg2) { 1058 ATRACE_CALL(); 1059 Mutex::Autolock icl(mICameraLock); 1060 status_t res; 1061 if ( (res = checkPid(__FUNCTION__) ) != OK) return res; 1062 1063 ALOGV("%s: Camera %d: Command %d (%d, %d)", __FUNCTION__, mCameraId, 1064 cmd, arg1, arg2); 1065 1066 switch (cmd) { 1067 case CAMERA_CMD_START_SMOOTH_ZOOM: 1068 return commandStartSmoothZoomL(); 1069 case CAMERA_CMD_STOP_SMOOTH_ZOOM: 1070 return commandStopSmoothZoomL(); 1071 case CAMERA_CMD_SET_DISPLAY_ORIENTATION: 1072 return commandSetDisplayOrientationL(arg1); 1073 case CAMERA_CMD_ENABLE_SHUTTER_SOUND: 1074 return commandEnableShutterSoundL(arg1 == 1); 1075 case CAMERA_CMD_PLAY_RECORDING_SOUND: 1076 return commandPlayRecordingSoundL(); 1077 case CAMERA_CMD_START_FACE_DETECTION: 1078 return commandStartFaceDetectionL(arg1); 1079 case CAMERA_CMD_STOP_FACE_DETECTION: { 1080 SharedParameters::Lock l(mParameters); 1081 return commandStopFaceDetectionL(l.mParameters); 1082 } 1083 case CAMERA_CMD_ENABLE_FOCUS_MOVE_MSG: 1084 return commandEnableFocusMoveMsgL(arg1 == 1); 1085 case CAMERA_CMD_PING: 1086 return commandPingL(); 1087 case CAMERA_CMD_SET_VIDEO_BUFFER_COUNT: 1088 return commandSetVideoBufferCountL(arg1); 1089 default: 1090 ALOGE("%s: Unknown command %d (arguments %d, %d)", 1091 __FUNCTION__, cmd, arg1, arg2); 1092 return BAD_VALUE; 1093 } 1094} 1095 1096status_t Camera2Client::commandStartSmoothZoomL() { 1097 ALOGE("%s: Unimplemented!", __FUNCTION__); 1098 return OK; 1099} 1100 1101status_t Camera2Client::commandStopSmoothZoomL() { 1102 ALOGE("%s: Unimplemented!", __FUNCTION__); 1103 return OK; 1104} 1105 1106status_t Camera2Client::commandSetDisplayOrientationL(int degrees) { 1107 int transform = Parameters::degToTransform(degrees, 1108 mCameraFacing == CAMERA_FACING_FRONT); 1109 if (transform == -1) { 1110 ALOGE("%s: Camera %d: Error setting %d as display orientation value", 1111 __FUNCTION__, mCameraId, degrees); 1112 return BAD_VALUE; 1113 } 1114 SharedParameters::Lock l(mParameters); 1115 if (transform != l.mParameters.previewTransform && 1116 getPreviewStreamId() != NO_STREAM) { 1117 mDevice->setStreamTransform(getPreviewStreamId(), transform); 1118 } 1119 l.mParameters.previewTransform = transform; 1120 return OK; 1121} 1122 1123status_t Camera2Client::commandEnableShutterSoundL(bool enable) { 1124 SharedParameters::Lock l(mParameters); 1125 if (enable) { 1126 l.mParameters.playShutterSound = true; 1127 return OK; 1128 } 1129 1130 // Disabling shutter sound may not be allowed. In that case only 1131 // allow the mediaserver process to disable the sound. 1132 char value[PROPERTY_VALUE_MAX]; 1133 property_get("ro.camera.sound.forced", value, "0"); 1134 if (strncmp(value, "0", 2) != 0) { 1135 // Disabling shutter sound is not allowed. Deny if the current 1136 // process is not mediaserver. 1137 if (getCallingPid() != getpid()) { 1138 ALOGE("Failed to disable shutter sound. Permission denied (pid %d)", 1139 getCallingPid()); 1140 return PERMISSION_DENIED; 1141 } 1142 } 1143 1144 l.mParameters.playShutterSound = false; 1145 return OK; 1146} 1147 1148status_t Camera2Client::commandPlayRecordingSoundL() { 1149 mCameraService->playSound(CameraService::SOUND_RECORDING); 1150 return OK; 1151} 1152 1153status_t Camera2Client::commandStartFaceDetectionL(int type) { 1154 ALOGV("%s: Camera %d: Starting face detection", 1155 __FUNCTION__, mCameraId); 1156 status_t res; 1157 SharedParameters::Lock l(mParameters); 1158 switch (l.mParameters.state) { 1159 case Parameters::DISCONNECTED: 1160 case Parameters::STOPPED: 1161 case Parameters::WAITING_FOR_PREVIEW_WINDOW: 1162 case Parameters::STILL_CAPTURE: 1163 ALOGE("%s: Camera %d: Cannot start face detection without preview active", 1164 __FUNCTION__, mCameraId); 1165 return INVALID_OPERATION; 1166 case Parameters::PREVIEW: 1167 case Parameters::RECORD: 1168 case Parameters::VIDEO_SNAPSHOT: 1169 // Good to go for starting face detect 1170 break; 1171 } 1172 // Ignoring type 1173 if (l.mParameters.fastInfo.bestFaceDetectMode == 1174 ANDROID_STATS_FACE_DETECTION_OFF) { 1175 ALOGE("%s: Camera %d: Face detection not supported", 1176 __FUNCTION__, mCameraId); 1177 return INVALID_OPERATION; 1178 } 1179 if (l.mParameters.enableFaceDetect) return OK; 1180 1181 l.mParameters.enableFaceDetect = true; 1182 1183 res = updateRequests(l.mParameters); 1184 1185 return res; 1186} 1187 1188status_t Camera2Client::commandStopFaceDetectionL(Parameters ¶ms) { 1189 status_t res = OK; 1190 ALOGV("%s: Camera %d: Stopping face detection", 1191 __FUNCTION__, mCameraId); 1192 1193 if (!params.enableFaceDetect) return OK; 1194 1195 params.enableFaceDetect = false; 1196 1197 if (params.state == Parameters::PREVIEW 1198 || params.state == Parameters::RECORD 1199 || params.state == Parameters::VIDEO_SNAPSHOT) { 1200 res = updateRequests(params); 1201 } 1202 1203 return res; 1204} 1205 1206status_t Camera2Client::commandEnableFocusMoveMsgL(bool enable) { 1207 SharedParameters::Lock l(mParameters); 1208 l.mParameters.enableFocusMoveMessages = enable; 1209 1210 return OK; 1211} 1212 1213status_t Camera2Client::commandPingL() { 1214 // Always ping back if access is proper and device is alive 1215 SharedParameters::Lock l(mParameters); 1216 if (l.mParameters.state != Parameters::DISCONNECTED) { 1217 return OK; 1218 } else { 1219 return NO_INIT; 1220 } 1221} 1222 1223status_t Camera2Client::commandSetVideoBufferCountL(size_t count) { 1224 if (recordingEnabledL()) { 1225 ALOGE("%s: Camera %d: Error setting video buffer count after " 1226 "recording was started", __FUNCTION__, mCameraId); 1227 return INVALID_OPERATION; 1228 } 1229 1230 return mStreamingProcessor->setRecordingBufferCount(count); 1231} 1232 1233/** Device-related methods */ 1234 1235void Camera2Client::notifyError(int errorCode, int arg1, int arg2) { 1236 ALOGE("Error condition %d reported by HAL, arguments %d, %d", errorCode, arg1, arg2); 1237} 1238 1239void Camera2Client::notifyShutter(int frameNumber, nsecs_t timestamp) { 1240 ALOGV("%s: Shutter notification for frame %d at time %lld", __FUNCTION__, 1241 frameNumber, timestamp); 1242} 1243 1244void Camera2Client::notifyAutoFocus(uint8_t newState, int triggerId) { 1245 ALOGV("%s: Autofocus state now %d, last trigger %d", 1246 __FUNCTION__, newState, triggerId); 1247 bool sendCompletedMessage = false; 1248 bool sendMovingMessage = false; 1249 1250 bool success = false; 1251 bool afInMotion = false; 1252 { 1253 SharedParameters::Lock l(mParameters); 1254 switch (l.mParameters.focusMode) { 1255 case Parameters::FOCUS_MODE_AUTO: 1256 case Parameters::FOCUS_MODE_MACRO: 1257 // Don't send notifications upstream if they're not for the current AF 1258 // trigger. For example, if cancel was called in between, or if we 1259 // already sent a notification about this AF call. 1260 if (triggerId != l.mParameters.currentAfTriggerId) break; 1261 switch (newState) { 1262 case ANDROID_CONTROL_AF_STATE_FOCUSED_LOCKED: 1263 success = true; 1264 // no break 1265 case ANDROID_CONTROL_AF_STATE_NOT_FOCUSED_LOCKED: 1266 sendCompletedMessage = true; 1267 l.mParameters.currentAfTriggerId = -1; 1268 break; 1269 case ANDROID_CONTROL_AF_STATE_ACTIVE_SCAN: 1270 // Just starting focusing, ignore 1271 break; 1272 case ANDROID_CONTROL_AF_STATE_INACTIVE: 1273 case ANDROID_CONTROL_AF_STATE_PASSIVE_SCAN: 1274 case ANDROID_CONTROL_AF_STATE_PASSIVE_FOCUSED: 1275 default: 1276 // Unexpected in AUTO/MACRO mode 1277 ALOGE("%s: Unexpected AF state transition in AUTO/MACRO mode: %d", 1278 __FUNCTION__, newState); 1279 break; 1280 } 1281 break; 1282 case Parameters::FOCUS_MODE_CONTINUOUS_VIDEO: 1283 case Parameters::FOCUS_MODE_CONTINUOUS_PICTURE: 1284 switch (newState) { 1285 case ANDROID_CONTROL_AF_STATE_FOCUSED_LOCKED: 1286 success = true; 1287 // no break 1288 case ANDROID_CONTROL_AF_STATE_NOT_FOCUSED_LOCKED: 1289 // Don't send notifications upstream if they're not for 1290 // the current AF trigger. For example, if cancel was 1291 // called in between, or if we already sent a 1292 // notification about this AF call. 1293 // Send both a 'AF done' callback and a 'AF move' callback 1294 if (triggerId != l.mParameters.currentAfTriggerId) break; 1295 sendCompletedMessage = true; 1296 afInMotion = false; 1297 if (l.mParameters.enableFocusMoveMessages && 1298 l.mParameters.afInMotion) { 1299 sendMovingMessage = true; 1300 } 1301 l.mParameters.currentAfTriggerId = -1; 1302 break; 1303 case ANDROID_CONTROL_AF_STATE_INACTIVE: 1304 // Cancel was called, or we switched state; care if 1305 // currently moving 1306 afInMotion = false; 1307 if (l.mParameters.enableFocusMoveMessages && 1308 l.mParameters.afInMotion) { 1309 sendMovingMessage = true; 1310 } 1311 break; 1312 case ANDROID_CONTROL_AF_STATE_PASSIVE_SCAN: 1313 // Start passive scan, inform upstream 1314 afInMotion = true; 1315 // no break 1316 case ANDROID_CONTROL_AF_STATE_PASSIVE_FOCUSED: 1317 // Stop passive scan, inform upstream 1318 if (l.mParameters.enableFocusMoveMessages) { 1319 sendMovingMessage = true; 1320 } 1321 break; 1322 } 1323 l.mParameters.afInMotion = afInMotion; 1324 break; 1325 case Parameters::FOCUS_MODE_EDOF: 1326 case Parameters::FOCUS_MODE_INFINITY: 1327 case Parameters::FOCUS_MODE_FIXED: 1328 default: 1329 if (newState != ANDROID_CONTROL_AF_STATE_INACTIVE) { 1330 ALOGE("%s: Unexpected AF state change %d " 1331 "(ID %d) in focus mode %d", 1332 __FUNCTION__, newState, triggerId, 1333 l.mParameters.focusMode); 1334 } 1335 } 1336 } 1337 if (sendMovingMessage) { 1338 SharedCameraClient::Lock l(mSharedCameraClient); 1339 if (l.mCameraClient != 0) { 1340 l.mCameraClient->notifyCallback(CAMERA_MSG_FOCUS_MOVE, 1341 afInMotion ? 1 : 0, 0); 1342 } 1343 } 1344 if (sendCompletedMessage) { 1345 SharedCameraClient::Lock l(mSharedCameraClient); 1346 if (l.mCameraClient != 0) { 1347 l.mCameraClient->notifyCallback(CAMERA_MSG_FOCUS, 1348 success ? 1 : 0, 0); 1349 } 1350 } 1351} 1352 1353void Camera2Client::notifyAutoExposure(uint8_t newState, int triggerId) { 1354 ALOGV("%s: Autoexposure state now %d, last trigger %d", 1355 __FUNCTION__, newState, triggerId); 1356 mCaptureSequencer->notifyAutoExposure(newState, triggerId); 1357} 1358 1359void Camera2Client::notifyAutoWhitebalance(uint8_t newState, int triggerId) { 1360 ALOGV("%s: Auto-whitebalance state now %d, last trigger %d", 1361 __FUNCTION__, newState, triggerId); 1362} 1363 1364int Camera2Client::getCameraId() const { 1365 return mCameraId; 1366} 1367 1368const sp<Camera2Device>& Camera2Client::getCameraDevice() { 1369 return mDevice; 1370} 1371 1372const sp<CameraService>& Camera2Client::getCameraService() { 1373 return mCameraService; 1374} 1375 1376camera2::SharedParameters& Camera2Client::getParameters() { 1377 return mParameters; 1378} 1379 1380int Camera2Client::getPreviewStreamId() const { 1381 return mStreamingProcessor->getPreviewStreamId(); 1382} 1383 1384int Camera2Client::getCaptureStreamId() const { 1385 return mJpegProcessor->getStreamId(); 1386} 1387 1388int Camera2Client::getCallbackStreamId() const { 1389 return mCallbackProcessor->getStreamId(); 1390} 1391 1392int Camera2Client::getRecordingStreamId() const { 1393 return mStreamingProcessor->getRecordingStreamId(); 1394} 1395 1396int Camera2Client::getZslStreamId() const { 1397 return mZslProcessor->getStreamId(); 1398} 1399 1400status_t Camera2Client::registerFrameListener(int32_t id, 1401 wp<camera2::FrameProcessor::FilteredListener> listener) { 1402 return mFrameProcessor->registerListener(id, listener); 1403} 1404 1405status_t Camera2Client::removeFrameListener(int32_t id) { 1406 return mFrameProcessor->removeListener(id); 1407} 1408 1409Camera2Client::SharedCameraClient::Lock::Lock(SharedCameraClient &client): 1410 mCameraClient(client.mCameraClient), 1411 mSharedClient(client) { 1412 mSharedClient.mCameraClientLock.lock(); 1413} 1414 1415Camera2Client::SharedCameraClient::Lock::~Lock() { 1416 mSharedClient.mCameraClientLock.unlock(); 1417} 1418 1419Camera2Client::SharedCameraClient::SharedCameraClient(const sp<ICameraClient>&client): 1420 mCameraClient(client) { 1421} 1422 1423Camera2Client::SharedCameraClient& Camera2Client::SharedCameraClient::operator=( 1424 const sp<ICameraClient>&client) { 1425 Mutex::Autolock l(mCameraClientLock); 1426 mCameraClient = client; 1427 return *this; 1428} 1429 1430void Camera2Client::SharedCameraClient::clear() { 1431 Mutex::Autolock l(mCameraClientLock); 1432 mCameraClient.clear(); 1433} 1434 1435const int32_t Camera2Client::kPreviewRequestId; 1436const int32_t Camera2Client::kRecordRequestId; 1437const int32_t Camera2Client::kFirstCaptureRequestId; 1438 1439/** Utility methods */ 1440 1441status_t Camera2Client::updateRequests(Parameters ¶ms) { 1442 status_t res; 1443 1444 ALOGV("%s: Camera %d: state = %d", __FUNCTION__, getCameraId(), params.state); 1445 1446 res = mStreamingProcessor->updatePreviewRequest(params); 1447 if (res != OK) { 1448 ALOGE("%s: Camera %d: Unable to update preview request: %s (%d)", 1449 __FUNCTION__, mCameraId, strerror(-res), res); 1450 return res; 1451 } 1452 res = mStreamingProcessor->updateRecordingRequest(params); 1453 if (res != OK) { 1454 ALOGE("%s: Camera %d: Unable to update recording request: %s (%d)", 1455 __FUNCTION__, mCameraId, strerror(-res), res); 1456 return res; 1457 } 1458 1459 if (params.state == Parameters::PREVIEW) { 1460 res = startPreviewL(params, true); 1461 if (res != OK) { 1462 ALOGE("%s: Camera %d: Error streaming new preview request: %s (%d)", 1463 __FUNCTION__, mCameraId, strerror(-res), res); 1464 return res; 1465 } 1466 } else if (params.state == Parameters::RECORD || 1467 params.state == Parameters::VIDEO_SNAPSHOT) { 1468 res = startRecordingL(params, true); 1469 if (res != OK) { 1470 ALOGE("%s: Camera %d: Error streaming new record request: %s (%d)", 1471 __FUNCTION__, mCameraId, strerror(-res), res); 1472 return res; 1473 } 1474 } 1475 return res; 1476} 1477 1478 1479size_t Camera2Client::calculateBufferSize(int width, int height, 1480 int format, int stride) { 1481 switch (format) { 1482 case HAL_PIXEL_FORMAT_YCbCr_422_SP: // NV16 1483 return width * height * 2; 1484 case HAL_PIXEL_FORMAT_YCrCb_420_SP: // NV21 1485 return width * height * 3 / 2; 1486 case HAL_PIXEL_FORMAT_YCbCr_422_I: // YUY2 1487 return width * height * 2; 1488 case HAL_PIXEL_FORMAT_YV12: { // YV12 1489 size_t ySize = stride * height; 1490 size_t uvStride = (stride / 2 + 0xF) & ~0xF; 1491 size_t uvSize = uvStride * height / 2; 1492 return ySize + uvSize * 2; 1493 } 1494 case HAL_PIXEL_FORMAT_RGB_565: 1495 return width * height * 2; 1496 case HAL_PIXEL_FORMAT_RGBA_8888: 1497 return width * height * 4; 1498 case HAL_PIXEL_FORMAT_RAW_SENSOR: 1499 return width * height * 2; 1500 default: 1501 ALOGE("%s: Unknown preview format: %x", 1502 __FUNCTION__, format); 1503 return 0; 1504 } 1505} 1506 1507} // namespace android 1508