1/* 2 * Copyright (C) 2013 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17#define LOG_TAG "CameraDeviceClient" 18#define ATRACE_TAG ATRACE_TAG_CAMERA 19//#define LOG_NDEBUG 0 20 21#include <cutils/properties.h> 22#include <utils/Log.h> 23#include <utils/Trace.h> 24#include <gui/Surface.h> 25#include <camera/camera2/CaptureRequest.h> 26#include <camera/CameraUtils.h> 27 28#include "common/CameraDeviceBase.h" 29#include "api2/CameraDeviceClient.h" 30 31 32 33namespace android { 34using namespace camera2; 35 36CameraDeviceClientBase::CameraDeviceClientBase( 37 const sp<CameraService>& cameraService, 38 const sp<ICameraDeviceCallbacks>& remoteCallback, 39 const String16& clientPackageName, 40 int cameraId, 41 int cameraFacing, 42 int clientPid, 43 uid_t clientUid, 44 int servicePid) : 45 BasicClient(cameraService, 46 IInterface::asBinder(remoteCallback), 47 clientPackageName, 48 cameraId, 49 cameraFacing, 50 clientPid, 51 clientUid, 52 servicePid), 53 mRemoteCallback(remoteCallback) { 54} 55 56// Interface used by CameraService 57 58CameraDeviceClient::CameraDeviceClient(const sp<CameraService>& cameraService, 59 const sp<ICameraDeviceCallbacks>& remoteCallback, 60 const String16& clientPackageName, 61 int cameraId, 62 int cameraFacing, 63 int clientPid, 64 uid_t clientUid, 65 int servicePid) : 66 Camera2ClientBase(cameraService, remoteCallback, clientPackageName, 67 cameraId, cameraFacing, clientPid, clientUid, servicePid), 68 mInputStream(), 69 mRequestIdCounter(0) { 70 71 ATRACE_CALL(); 72 ALOGI("CameraDeviceClient %d: Opened", cameraId); 73} 74 75status_t CameraDeviceClient::initialize(CameraModule *module) 76{ 77 ATRACE_CALL(); 78 status_t res; 79 80 res = Camera2ClientBase::initialize(module); 81 if (res != OK) { 82 return res; 83 } 84 85 String8 threadName; 86 mFrameProcessor = new FrameProcessorBase(mDevice); 87 threadName = String8::format("CDU-%d-FrameProc", mCameraId); 88 mFrameProcessor->run(threadName.string()); 89 90 mFrameProcessor->registerListener(FRAME_PROCESSOR_LISTENER_MIN_ID, 91 FRAME_PROCESSOR_LISTENER_MAX_ID, 92 /*listener*/this, 93 /*sendPartials*/true); 94 95 return OK; 96} 97 98CameraDeviceClient::~CameraDeviceClient() { 99} 100 101status_t CameraDeviceClient::submitRequest(sp<CaptureRequest> request, 102 bool streaming, 103 /*out*/ 104 int64_t* lastFrameNumber) { 105 List<sp<CaptureRequest> > requestList; 106 requestList.push_back(request); 107 return submitRequestList(requestList, streaming, lastFrameNumber); 108} 109 110status_t CameraDeviceClient::submitRequestList(List<sp<CaptureRequest> > requests, 111 bool streaming, int64_t* lastFrameNumber) { 112 ATRACE_CALL(); 113 ALOGV("%s-start of function. Request list size %zu", __FUNCTION__, requests.size()); 114 115 status_t res; 116 if ( (res = checkPid(__FUNCTION__) ) != OK) return res; 117 118 Mutex::Autolock icl(mBinderSerializationLock); 119 120 if (!mDevice.get()) return DEAD_OBJECT; 121 122 if (requests.empty()) { 123 ALOGE("%s: Camera %d: Sent null request. Rejecting request.", 124 __FUNCTION__, mCameraId); 125 return BAD_VALUE; 126 } 127 128 List<const CameraMetadata> metadataRequestList; 129 int32_t requestId = mRequestIdCounter; 130 uint32_t loopCounter = 0; 131 132 for (List<sp<CaptureRequest> >::iterator it = requests.begin(); it != requests.end(); ++it) { 133 sp<CaptureRequest> request = *it; 134 if (request == 0) { 135 ALOGE("%s: Camera %d: Sent null request.", 136 __FUNCTION__, mCameraId); 137 return BAD_VALUE; 138 } else if (request->mIsReprocess) { 139 if (!mInputStream.configured) { 140 ALOGE("%s: Camera %d: no input stream is configured.", __FUNCTION__, mCameraId); 141 return BAD_VALUE; 142 } else if (streaming) { 143 ALOGE("%s: Camera %d: streaming reprocess requests not supported.", __FUNCTION__, 144 mCameraId); 145 return BAD_VALUE; 146 } 147 } 148 149 CameraMetadata metadata(request->mMetadata); 150 if (metadata.isEmpty()) { 151 ALOGE("%s: Camera %d: Sent empty metadata packet. Rejecting request.", 152 __FUNCTION__, mCameraId); 153 return BAD_VALUE; 154 } else if (request->mSurfaceList.isEmpty()) { 155 ALOGE("%s: Camera %d: Requests must have at least one surface target. " 156 "Rejecting request.", __FUNCTION__, mCameraId); 157 return BAD_VALUE; 158 } 159 160 if (!enforceRequestPermissions(metadata)) { 161 // Callee logs 162 return PERMISSION_DENIED; 163 } 164 165 /** 166 * Write in the output stream IDs which we calculate from 167 * the capture request's list of surface targets 168 */ 169 Vector<int32_t> outputStreamIds; 170 outputStreamIds.setCapacity(request->mSurfaceList.size()); 171 for (size_t i = 0; i < request->mSurfaceList.size(); ++i) { 172 sp<Surface> surface = request->mSurfaceList[i]; 173 if (surface == 0) continue; 174 175 sp<IGraphicBufferProducer> gbp = surface->getIGraphicBufferProducer(); 176 int idx = mStreamMap.indexOfKey(IInterface::asBinder(gbp)); 177 178 // Trying to submit request with surface that wasn't created 179 if (idx == NAME_NOT_FOUND) { 180 ALOGE("%s: Camera %d: Tried to submit a request with a surface that" 181 " we have not called createStream on", 182 __FUNCTION__, mCameraId); 183 return BAD_VALUE; 184 } 185 186 int streamId = mStreamMap.valueAt(idx); 187 outputStreamIds.push_back(streamId); 188 ALOGV("%s: Camera %d: Appending output stream %d to request", 189 __FUNCTION__, mCameraId, streamId); 190 } 191 192 metadata.update(ANDROID_REQUEST_OUTPUT_STREAMS, &outputStreamIds[0], 193 outputStreamIds.size()); 194 195 if (request->mIsReprocess) { 196 metadata.update(ANDROID_REQUEST_INPUT_STREAMS, &mInputStream.id, 1); 197 } 198 199 metadata.update(ANDROID_REQUEST_ID, &requestId, /*size*/1); 200 loopCounter++; // loopCounter starts from 1 201 ALOGV("%s: Camera %d: Creating request with ID %d (%d of %zu)", 202 __FUNCTION__, mCameraId, requestId, loopCounter, requests.size()); 203 204 metadataRequestList.push_back(metadata); 205 } 206 mRequestIdCounter++; 207 208 if (streaming) { 209 res = mDevice->setStreamingRequestList(metadataRequestList, lastFrameNumber); 210 if (res != OK) { 211 ALOGE("%s: Camera %d: Got error %d after trying to set streaming " 212 "request", __FUNCTION__, mCameraId, res); 213 } else { 214 mStreamingRequestList.push_back(requestId); 215 } 216 } else { 217 res = mDevice->captureList(metadataRequestList, lastFrameNumber); 218 if (res != OK) { 219 ALOGE("%s: Camera %d: Got error %d after trying to set capture", 220 __FUNCTION__, mCameraId, res); 221 } 222 ALOGV("%s: requestId = %d ", __FUNCTION__, requestId); 223 } 224 225 ALOGV("%s: Camera %d: End of function", __FUNCTION__, mCameraId); 226 if (res == OK) { 227 return requestId; 228 } 229 230 return res; 231} 232 233status_t CameraDeviceClient::cancelRequest(int requestId, int64_t* lastFrameNumber) { 234 ATRACE_CALL(); 235 ALOGV("%s, requestId = %d", __FUNCTION__, requestId); 236 237 status_t res; 238 239 if ( (res = checkPid(__FUNCTION__) ) != OK) return res; 240 241 Mutex::Autolock icl(mBinderSerializationLock); 242 243 if (!mDevice.get()) return DEAD_OBJECT; 244 245 Vector<int>::iterator it, end; 246 for (it = mStreamingRequestList.begin(), end = mStreamingRequestList.end(); 247 it != end; ++it) { 248 if (*it == requestId) { 249 break; 250 } 251 } 252 253 if (it == end) { 254 ALOGE("%s: Camera%d: Did not find request id %d in list of streaming " 255 "requests", __FUNCTION__, mCameraId, requestId); 256 return BAD_VALUE; 257 } 258 259 res = mDevice->clearStreamingRequest(lastFrameNumber); 260 261 if (res == OK) { 262 ALOGV("%s: Camera %d: Successfully cleared streaming request", 263 __FUNCTION__, mCameraId); 264 mStreamingRequestList.erase(it); 265 } 266 267 return res; 268} 269 270status_t CameraDeviceClient::beginConfigure() { 271 // TODO: Implement this. 272 ALOGV("%s: Not implemented yet.", __FUNCTION__); 273 return OK; 274} 275 276status_t CameraDeviceClient::endConfigure(bool isConstrainedHighSpeed) { 277 ALOGV("%s: ending configure (%d input stream, %zu output streams)", 278 __FUNCTION__, mInputStream.configured ? 1 : 0, mStreamMap.size()); 279 280 // Sanitize the high speed session against necessary capability bit. 281 if (isConstrainedHighSpeed) { 282 CameraMetadata staticInfo = mDevice->info(); 283 camera_metadata_entry_t entry = staticInfo.find(ANDROID_REQUEST_AVAILABLE_CAPABILITIES); 284 bool isConstrainedHighSpeedSupported = false; 285 for(size_t i = 0; i < entry.count; ++i) { 286 uint8_t capability = entry.data.u8[i]; 287 if (capability == ANDROID_REQUEST_AVAILABLE_CAPABILITIES_CONSTRAINED_HIGH_SPEED_VIDEO) { 288 isConstrainedHighSpeedSupported = true; 289 break; 290 } 291 } 292 if (!isConstrainedHighSpeedSupported) { 293 ALOGE("%s: Camera %d: Try to create a constrained high speed configuration on a device" 294 " that doesn't support it.", 295 __FUNCTION__, mCameraId); 296 return INVALID_OPERATION; 297 } 298 } 299 300 status_t res; 301 if ( (res = checkPid(__FUNCTION__) ) != OK) return res; 302 303 Mutex::Autolock icl(mBinderSerializationLock); 304 305 if (!mDevice.get()) return DEAD_OBJECT; 306 307 return mDevice->configureStreams(isConstrainedHighSpeed); 308} 309 310status_t CameraDeviceClient::deleteStream(int streamId) { 311 ATRACE_CALL(); 312 ALOGV("%s (streamId = 0x%x)", __FUNCTION__, streamId); 313 314 status_t res; 315 if ( (res = checkPid(__FUNCTION__) ) != OK) return res; 316 317 Mutex::Autolock icl(mBinderSerializationLock); 318 319 if (!mDevice.get()) return DEAD_OBJECT; 320 321 bool isInput = false; 322 ssize_t index = NAME_NOT_FOUND; 323 324 if (mInputStream.configured && mInputStream.id == streamId) { 325 isInput = true; 326 } else { 327 // Guard against trying to delete non-created streams 328 for (size_t i = 0; i < mStreamMap.size(); ++i) { 329 if (streamId == mStreamMap.valueAt(i)) { 330 index = i; 331 break; 332 } 333 } 334 335 if (index == NAME_NOT_FOUND) { 336 ALOGW("%s: Camera %d: Invalid stream ID (%d) specified, no stream " 337 "created yet", __FUNCTION__, mCameraId, streamId); 338 return BAD_VALUE; 339 } 340 } 341 342 // Also returns BAD_VALUE if stream ID was not valid 343 res = mDevice->deleteStream(streamId); 344 345 if (res == BAD_VALUE) { 346 ALOGE("%s: Camera %d: Unexpected BAD_VALUE when deleting stream, but we" 347 " already checked and the stream ID (%d) should be valid.", 348 __FUNCTION__, mCameraId, streamId); 349 } else if (res == OK) { 350 if (isInput) { 351 mInputStream.configured = false; 352 } else { 353 mStreamMap.removeItemsAt(index); 354 } 355 } 356 357 return res; 358} 359 360status_t CameraDeviceClient::createStream(const OutputConfiguration &outputConfiguration) 361{ 362 ATRACE_CALL(); 363 364 status_t res; 365 if ( (res = checkPid(__FUNCTION__) ) != OK) return res; 366 367 Mutex::Autolock icl(mBinderSerializationLock); 368 369 370 sp<IGraphicBufferProducer> bufferProducer = outputConfiguration.getGraphicBufferProducer(); 371 if (bufferProducer == NULL) { 372 ALOGE("%s: bufferProducer must not be null", __FUNCTION__); 373 return BAD_VALUE; 374 } 375 if (!mDevice.get()) return DEAD_OBJECT; 376 377 // Don't create multiple streams for the same target surface 378 { 379 ssize_t index = mStreamMap.indexOfKey(IInterface::asBinder(bufferProducer)); 380 if (index != NAME_NOT_FOUND) { 381 ALOGW("%s: Camera %d: Buffer producer already has a stream for it " 382 "(ID %zd)", 383 __FUNCTION__, mCameraId, index); 384 return ALREADY_EXISTS; 385 } 386 } 387 388 // HACK b/10949105 389 // Query consumer usage bits to set async operation mode for 390 // GLConsumer using controlledByApp parameter. 391 bool useAsync = false; 392 int32_t consumerUsage; 393 if ((res = bufferProducer->query(NATIVE_WINDOW_CONSUMER_USAGE_BITS, 394 &consumerUsage)) != OK) { 395 ALOGE("%s: Camera %d: Failed to query consumer usage", __FUNCTION__, 396 mCameraId); 397 return res; 398 } 399 if (consumerUsage & GraphicBuffer::USAGE_HW_TEXTURE) { 400 ALOGW("%s: Camera %d: Forcing asynchronous mode for stream", 401 __FUNCTION__, mCameraId); 402 useAsync = true; 403 } 404 405 int32_t disallowedFlags = GraphicBuffer::USAGE_HW_VIDEO_ENCODER | 406 GRALLOC_USAGE_RENDERSCRIPT; 407 int32_t allowedFlags = GraphicBuffer::USAGE_SW_READ_MASK | 408 GraphicBuffer::USAGE_HW_TEXTURE | 409 GraphicBuffer::USAGE_HW_COMPOSER; 410 bool flexibleConsumer = (consumerUsage & disallowedFlags) == 0 && 411 (consumerUsage & allowedFlags) != 0; 412 413 sp<IBinder> binder = IInterface::asBinder(bufferProducer); 414 sp<Surface> surface = new Surface(bufferProducer, useAsync); 415 ANativeWindow *anw = surface.get(); 416 417 int width, height, format; 418 android_dataspace dataSpace; 419 420 if ((res = anw->query(anw, NATIVE_WINDOW_WIDTH, &width)) != OK) { 421 ALOGE("%s: Camera %d: Failed to query Surface width", __FUNCTION__, 422 mCameraId); 423 return res; 424 } 425 if ((res = anw->query(anw, NATIVE_WINDOW_HEIGHT, &height)) != OK) { 426 ALOGE("%s: Camera %d: Failed to query Surface height", __FUNCTION__, 427 mCameraId); 428 return res; 429 } 430 if ((res = anw->query(anw, NATIVE_WINDOW_FORMAT, &format)) != OK) { 431 ALOGE("%s: Camera %d: Failed to query Surface format", __FUNCTION__, 432 mCameraId); 433 return res; 434 } 435 if ((res = anw->query(anw, NATIVE_WINDOW_DEFAULT_DATASPACE, 436 reinterpret_cast<int*>(&dataSpace))) != OK) { 437 ALOGE("%s: Camera %d: Failed to query Surface dataSpace", __FUNCTION__, 438 mCameraId); 439 return res; 440 } 441 442 // FIXME: remove this override since the default format should be 443 // IMPLEMENTATION_DEFINED. b/9487482 444 if (format >= HAL_PIXEL_FORMAT_RGBA_8888 && 445 format <= HAL_PIXEL_FORMAT_BGRA_8888) { 446 ALOGW("%s: Camera %d: Overriding format %#x to IMPLEMENTATION_DEFINED", 447 __FUNCTION__, mCameraId, format); 448 format = HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED; 449 } 450 451 // Round dimensions to the nearest dimensions available for this format 452 if (flexibleConsumer && !CameraDeviceClient::roundBufferDimensionNearest(width, height, 453 format, dataSpace, mDevice->info(), /*out*/&width, /*out*/&height)) { 454 ALOGE("%s: No stream configurations with the format %#x defined, failed to create stream.", 455 __FUNCTION__, format); 456 return BAD_VALUE; 457 } 458 459 int streamId = -1; 460 res = mDevice->createStream(surface, width, height, format, dataSpace, 461 static_cast<camera3_stream_rotation_t> 462 (outputConfiguration.getRotation()), 463 &streamId); 464 465 if (res == OK) { 466 mStreamMap.add(binder, streamId); 467 468 ALOGV("%s: Camera %d: Successfully created a new stream ID %d", 469 __FUNCTION__, mCameraId, streamId); 470 471 /** 472 * Set the stream transform flags to automatically 473 * rotate the camera stream for preview use cases. 474 */ 475 int32_t transform = 0; 476 res = getRotationTransformLocked(&transform); 477 478 if (res != OK) { 479 // Error logged by getRotationTransformLocked. 480 return res; 481 } 482 483 res = mDevice->setStreamTransform(streamId, transform); 484 if (res != OK) { 485 ALOGE("%s: Failed to set stream transform (stream id %d)", 486 __FUNCTION__, streamId); 487 return res; 488 } 489 490 return streamId; 491 } 492 493 return res; 494} 495 496 497status_t CameraDeviceClient::createInputStream(int width, int height, 498 int format) { 499 500 ATRACE_CALL(); 501 ALOGV("%s (w = %d, h = %d, f = 0x%x)", __FUNCTION__, width, height, format); 502 503 status_t res; 504 if ( (res = checkPid(__FUNCTION__) ) != OK) return res; 505 506 Mutex::Autolock icl(mBinderSerializationLock); 507 if (!mDevice.get()) return DEAD_OBJECT; 508 509 if (mInputStream.configured) { 510 ALOGE("%s: Camera %d: Already has an input stream " 511 " configuration. (ID %zd)", __FUNCTION__, mCameraId, 512 mInputStream.id); 513 return ALREADY_EXISTS; 514 } 515 516 int streamId = -1; 517 res = mDevice->createInputStream(width, height, format, &streamId); 518 if (res == OK) { 519 mInputStream.configured = true; 520 mInputStream.width = width; 521 mInputStream.height = height; 522 mInputStream.format = format; 523 mInputStream.id = streamId; 524 525 ALOGV("%s: Camera %d: Successfully created a new input stream ID %d", 526 __FUNCTION__, mCameraId, streamId); 527 528 return streamId; 529 } 530 531 return res; 532} 533 534status_t CameraDeviceClient::getInputBufferProducer( 535 /*out*/sp<IGraphicBufferProducer> *producer) { 536 status_t res; 537 if ( (res = checkPid(__FUNCTION__) ) != OK) return res; 538 539 if (producer == NULL) { 540 return BAD_VALUE; 541 } 542 543 Mutex::Autolock icl(mBinderSerializationLock); 544 if (!mDevice.get()) return DEAD_OBJECT; 545 546 return mDevice->getInputBufferProducer(producer); 547} 548 549bool CameraDeviceClient::roundBufferDimensionNearest(int32_t width, int32_t height, 550 int32_t format, android_dataspace dataSpace, const CameraMetadata& info, 551 /*out*/int32_t* outWidth, /*out*/int32_t* outHeight) { 552 553 camera_metadata_ro_entry streamConfigs = 554 (dataSpace == HAL_DATASPACE_DEPTH) ? 555 info.find(ANDROID_DEPTH_AVAILABLE_DEPTH_STREAM_CONFIGURATIONS) : 556 info.find(ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS); 557 558 int32_t bestWidth = -1; 559 int32_t bestHeight = -1; 560 561 // Iterate through listed stream configurations and find the one with the smallest euclidean 562 // distance from the given dimensions for the given format. 563 for (size_t i = 0; i < streamConfigs.count; i += 4) { 564 int32_t fmt = streamConfigs.data.i32[i]; 565 int32_t w = streamConfigs.data.i32[i + 1]; 566 int32_t h = streamConfigs.data.i32[i + 2]; 567 568 // Ignore input/output type for now 569 if (fmt == format) { 570 if (w == width && h == height) { 571 bestWidth = width; 572 bestHeight = height; 573 break; 574 } else if (w <= ROUNDING_WIDTH_CAP && (bestWidth == -1 || 575 CameraDeviceClient::euclidDistSquare(w, h, width, height) < 576 CameraDeviceClient::euclidDistSquare(bestWidth, bestHeight, width, height))) { 577 bestWidth = w; 578 bestHeight = h; 579 } 580 } 581 } 582 583 if (bestWidth == -1) { 584 // Return false if no configurations for this format were listed 585 return false; 586 } 587 588 // Set the outputs to the closet width/height 589 if (outWidth != NULL) { 590 *outWidth = bestWidth; 591 } 592 if (outHeight != NULL) { 593 *outHeight = bestHeight; 594 } 595 596 // Return true if at least one configuration for this format was listed 597 return true; 598} 599 600int64_t CameraDeviceClient::euclidDistSquare(int32_t x0, int32_t y0, int32_t x1, int32_t y1) { 601 int64_t d0 = x0 - x1; 602 int64_t d1 = y0 - y1; 603 return d0 * d0 + d1 * d1; 604} 605 606// Create a request object from a template. 607status_t CameraDeviceClient::createDefaultRequest(int templateId, 608 /*out*/ 609 CameraMetadata* request) 610{ 611 ATRACE_CALL(); 612 ALOGV("%s (templateId = 0x%x)", __FUNCTION__, templateId); 613 614 status_t res; 615 if ( (res = checkPid(__FUNCTION__) ) != OK) return res; 616 617 Mutex::Autolock icl(mBinderSerializationLock); 618 619 if (!mDevice.get()) return DEAD_OBJECT; 620 621 CameraMetadata metadata; 622 if ( (res = mDevice->createDefaultRequest(templateId, &metadata) ) == OK && 623 request != NULL) { 624 625 request->swap(metadata); 626 } 627 628 return res; 629} 630 631status_t CameraDeviceClient::getCameraInfo(/*out*/CameraMetadata* info) 632{ 633 ATRACE_CALL(); 634 ALOGV("%s", __FUNCTION__); 635 636 status_t res = OK; 637 638 if ( (res = checkPid(__FUNCTION__) ) != OK) return res; 639 640 Mutex::Autolock icl(mBinderSerializationLock); 641 642 if (!mDevice.get()) return DEAD_OBJECT; 643 644 if (info != NULL) { 645 *info = mDevice->info(); // static camera metadata 646 // TODO: merge with device-specific camera metadata 647 } 648 649 return res; 650} 651 652status_t CameraDeviceClient::waitUntilIdle() 653{ 654 ATRACE_CALL(); 655 ALOGV("%s", __FUNCTION__); 656 657 status_t res = OK; 658 if ( (res = checkPid(__FUNCTION__) ) != OK) return res; 659 660 Mutex::Autolock icl(mBinderSerializationLock); 661 662 if (!mDevice.get()) return DEAD_OBJECT; 663 664 // FIXME: Also need check repeating burst. 665 if (!mStreamingRequestList.isEmpty()) { 666 ALOGE("%s: Camera %d: Try to waitUntilIdle when there are active streaming requests", 667 __FUNCTION__, mCameraId); 668 return INVALID_OPERATION; 669 } 670 res = mDevice->waitUntilDrained(); 671 ALOGV("%s Done", __FUNCTION__); 672 673 return res; 674} 675 676status_t CameraDeviceClient::flush(int64_t* lastFrameNumber) { 677 ATRACE_CALL(); 678 ALOGV("%s", __FUNCTION__); 679 680 status_t res = OK; 681 if ( (res = checkPid(__FUNCTION__) ) != OK) return res; 682 683 Mutex::Autolock icl(mBinderSerializationLock); 684 685 if (!mDevice.get()) return DEAD_OBJECT; 686 687 mStreamingRequestList.clear(); 688 return mDevice->flush(lastFrameNumber); 689} 690 691status_t CameraDeviceClient::prepare(int streamId) { 692 ATRACE_CALL(); 693 ALOGV("%s", __FUNCTION__); 694 695 status_t res = OK; 696 if ( (res = checkPid(__FUNCTION__) ) != OK) return res; 697 698 Mutex::Autolock icl(mBinderSerializationLock); 699 700 // Guard against trying to prepare non-created streams 701 ssize_t index = NAME_NOT_FOUND; 702 for (size_t i = 0; i < mStreamMap.size(); ++i) { 703 if (streamId == mStreamMap.valueAt(i)) { 704 index = i; 705 break; 706 } 707 } 708 709 if (index == NAME_NOT_FOUND) { 710 ALOGW("%s: Camera %d: Invalid stream ID (%d) specified, no stream " 711 "created yet", __FUNCTION__, mCameraId, streamId); 712 return BAD_VALUE; 713 } 714 715 // Also returns BAD_VALUE if stream ID was not valid, or stream already 716 // has been used 717 res = mDevice->prepare(streamId); 718 719 return res; 720} 721 722status_t CameraDeviceClient::tearDown(int streamId) { 723 ATRACE_CALL(); 724 ALOGV("%s", __FUNCTION__); 725 726 status_t res = OK; 727 if ( (res = checkPid(__FUNCTION__) ) != OK) return res; 728 729 Mutex::Autolock icl(mBinderSerializationLock); 730 731 // Guard against trying to prepare non-created streams 732 ssize_t index = NAME_NOT_FOUND; 733 for (size_t i = 0; i < mStreamMap.size(); ++i) { 734 if (streamId == mStreamMap.valueAt(i)) { 735 index = i; 736 break; 737 } 738 } 739 740 if (index == NAME_NOT_FOUND) { 741 ALOGW("%s: Camera %d: Invalid stream ID (%d) specified, no stream " 742 "created yet", __FUNCTION__, mCameraId, streamId); 743 return BAD_VALUE; 744 } 745 746 // Also returns BAD_VALUE if stream ID was not valid or if the stream is in 747 // use 748 res = mDevice->tearDown(streamId); 749 750 return res; 751} 752 753 754status_t CameraDeviceClient::dump(int fd, const Vector<String16>& args) { 755 String8 result; 756 result.appendFormat("CameraDeviceClient[%d] (%p) dump:\n", 757 mCameraId, 758 (getRemoteCallback() != NULL ? 759 IInterface::asBinder(getRemoteCallback()).get() : NULL) ); 760 result.appendFormat(" Current client UID %u\n", mClientUid); 761 762 result.append(" State:\n"); 763 result.appendFormat(" Request ID counter: %d\n", mRequestIdCounter); 764 if (mInputStream.configured) { 765 result.appendFormat(" Current input stream ID: %d\n", 766 mInputStream.id); 767 } else { 768 result.append(" No input stream configured.\n"); 769 } 770 if (!mStreamMap.isEmpty()) { 771 result.append(" Current output stream IDs:\n"); 772 for (size_t i = 0; i < mStreamMap.size(); i++) { 773 result.appendFormat(" Stream %d\n", mStreamMap.valueAt(i)); 774 } 775 } else { 776 result.append(" No output streams configured.\n"); 777 } 778 write(fd, result.string(), result.size()); 779 // TODO: print dynamic/request section from most recent requests 780 mFrameProcessor->dump(fd, args); 781 782 return dumpDevice(fd, args); 783} 784 785void CameraDeviceClient::notifyError(ICameraDeviceCallbacks::CameraErrorCode errorCode, 786 const CaptureResultExtras& resultExtras) { 787 // Thread safe. Don't bother locking. 788 sp<ICameraDeviceCallbacks> remoteCb = getRemoteCallback(); 789 790 if (remoteCb != 0) { 791 remoteCb->onDeviceError(errorCode, resultExtras); 792 } 793} 794 795void CameraDeviceClient::notifyIdle() { 796 // Thread safe. Don't bother locking. 797 sp<ICameraDeviceCallbacks> remoteCb = getRemoteCallback(); 798 799 if (remoteCb != 0) { 800 remoteCb->onDeviceIdle(); 801 } 802} 803 804void CameraDeviceClient::notifyShutter(const CaptureResultExtras& resultExtras, 805 nsecs_t timestamp) { 806 // Thread safe. Don't bother locking. 807 sp<ICameraDeviceCallbacks> remoteCb = getRemoteCallback(); 808 if (remoteCb != 0) { 809 remoteCb->onCaptureStarted(resultExtras, timestamp); 810 } 811} 812 813void CameraDeviceClient::notifyPrepared(int streamId) { 814 // Thread safe. Don't bother locking. 815 sp<ICameraDeviceCallbacks> remoteCb = getRemoteCallback(); 816 if (remoteCb != 0) { 817 remoteCb->onPrepared(streamId); 818 } 819} 820 821void CameraDeviceClient::detachDevice() { 822 if (mDevice == 0) return; 823 824 ALOGV("Camera %d: Stopping processors", mCameraId); 825 826 mFrameProcessor->removeListener(FRAME_PROCESSOR_LISTENER_MIN_ID, 827 FRAME_PROCESSOR_LISTENER_MAX_ID, 828 /*listener*/this); 829 mFrameProcessor->requestExit(); 830 ALOGV("Camera %d: Waiting for threads", mCameraId); 831 mFrameProcessor->join(); 832 ALOGV("Camera %d: Disconnecting device", mCameraId); 833 834 // WORKAROUND: HAL refuses to disconnect while there's streams in flight 835 { 836 mDevice->clearStreamingRequest(); 837 838 status_t code; 839 if ((code = mDevice->waitUntilDrained()) != OK) { 840 ALOGE("%s: waitUntilDrained failed with code 0x%x", __FUNCTION__, 841 code); 842 } 843 } 844 845 Camera2ClientBase::detachDevice(); 846} 847 848/** Device-related methods */ 849void CameraDeviceClient::onResultAvailable(const CaptureResult& result) { 850 ATRACE_CALL(); 851 ALOGV("%s", __FUNCTION__); 852 853 // Thread-safe. No lock necessary. 854 sp<ICameraDeviceCallbacks> remoteCb = mRemoteCallback; 855 if (remoteCb != NULL) { 856 remoteCb->onResultReceived(result.mMetadata, result.mResultExtras); 857 } 858} 859 860// TODO: move to Camera2ClientBase 861bool CameraDeviceClient::enforceRequestPermissions(CameraMetadata& metadata) { 862 863 const int pid = IPCThreadState::self()->getCallingPid(); 864 const int selfPid = getpid(); 865 camera_metadata_entry_t entry; 866 867 /** 868 * Mixin default important security values 869 * - android.led.transmit = defaulted ON 870 */ 871 CameraMetadata staticInfo = mDevice->info(); 872 entry = staticInfo.find(ANDROID_LED_AVAILABLE_LEDS); 873 for(size_t i = 0; i < entry.count; ++i) { 874 uint8_t led = entry.data.u8[i]; 875 876 switch(led) { 877 case ANDROID_LED_AVAILABLE_LEDS_TRANSMIT: { 878 uint8_t transmitDefault = ANDROID_LED_TRANSMIT_ON; 879 if (!metadata.exists(ANDROID_LED_TRANSMIT)) { 880 metadata.update(ANDROID_LED_TRANSMIT, 881 &transmitDefault, 1); 882 } 883 break; 884 } 885 } 886 } 887 888 // We can do anything! 889 if (pid == selfPid) { 890 return true; 891 } 892 893 /** 894 * Permission check special fields in the request 895 * - android.led.transmit = android.permission.CAMERA_DISABLE_TRANSMIT 896 */ 897 entry = metadata.find(ANDROID_LED_TRANSMIT); 898 if (entry.count > 0 && entry.data.u8[0] != ANDROID_LED_TRANSMIT_ON) { 899 String16 permissionString = 900 String16("android.permission.CAMERA_DISABLE_TRANSMIT_LED"); 901 if (!checkCallingPermission(permissionString)) { 902 const int uid = IPCThreadState::self()->getCallingUid(); 903 ALOGE("Permission Denial: " 904 "can't disable transmit LED pid=%d, uid=%d", pid, uid); 905 return false; 906 } 907 } 908 909 return true; 910} 911 912status_t CameraDeviceClient::getRotationTransformLocked(int32_t* transform) { 913 ALOGV("%s: begin", __FUNCTION__); 914 915 const CameraMetadata& staticInfo = mDevice->info(); 916 return CameraUtils::getRotationTransform(staticInfo, transform); 917} 918 919} // namespace android 920