1 /*
2 * Copyright (C) 2013-2018 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/CameraThreadState.h>
23 #include <utils/Log.h>
24 #include <utils/Trace.h>
25 #include <gui/Surface.h>
26 #include <camera/camera2/CaptureRequest.h>
27 #include <camera/CameraUtils.h>
28
29 #include "common/CameraDeviceBase.h"
30 #include "device3/Camera3Device.h"
31 #include "device3/Camera3OutputStream.h"
32 #include "api2/CameraDeviceClient.h"
33
34 #include <camera_metadata_hidden.h>
35
36 #include "DepthCompositeStream.h"
37 #include "HeicCompositeStream.h"
38
39 // Convenience methods for constructing binder::Status objects for error returns
40
41 #define STATUS_ERROR(errorCode, errorString) \
42 binder::Status::fromServiceSpecificError(errorCode, \
43 String8::format("%s:%d: %s", __FUNCTION__, __LINE__, errorString))
44
45 #define STATUS_ERROR_FMT(errorCode, errorString, ...) \
46 binder::Status::fromServiceSpecificError(errorCode, \
47 String8::format("%s:%d: " errorString, __FUNCTION__, __LINE__, \
48 __VA_ARGS__))
49
50 namespace android {
51 using namespace camera2;
52
CameraDeviceClientBase(const sp<CameraService> & cameraService,const sp<hardware::camera2::ICameraDeviceCallbacks> & remoteCallback,const String16 & clientPackageName,const String8 & cameraId,int api1CameraId,int cameraFacing,int clientPid,uid_t clientUid,int servicePid)53 CameraDeviceClientBase::CameraDeviceClientBase(
54 const sp<CameraService>& cameraService,
55 const sp<hardware::camera2::ICameraDeviceCallbacks>& remoteCallback,
56 const String16& clientPackageName,
57 const String8& cameraId,
58 int api1CameraId,
59 int cameraFacing,
60 int clientPid,
61 uid_t clientUid,
62 int servicePid) :
63 BasicClient(cameraService,
64 IInterface::asBinder(remoteCallback),
65 clientPackageName,
66 cameraId,
67 cameraFacing,
68 clientPid,
69 clientUid,
70 servicePid),
71 mRemoteCallback(remoteCallback) {
72 // We don't need it for API2 clients, but Camera2ClientBase requires it.
73 (void) api1CameraId;
74 }
75
76 // Interface used by CameraService
77
CameraDeviceClient(const sp<CameraService> & cameraService,const sp<hardware::camera2::ICameraDeviceCallbacks> & remoteCallback,const String16 & clientPackageName,const String8 & cameraId,int cameraFacing,int clientPid,uid_t clientUid,int servicePid)78 CameraDeviceClient::CameraDeviceClient(const sp<CameraService>& cameraService,
79 const sp<hardware::camera2::ICameraDeviceCallbacks>& remoteCallback,
80 const String16& clientPackageName,
81 const String8& cameraId,
82 int cameraFacing,
83 int clientPid,
84 uid_t clientUid,
85 int servicePid) :
86 Camera2ClientBase(cameraService, remoteCallback, clientPackageName,
87 cameraId, /*API1 camera ID*/ -1,
88 cameraFacing, clientPid, clientUid, servicePid),
89 mInputStream(),
90 mStreamingRequestId(REQUEST_ID_NONE),
91 mRequestIdCounter(0) {
92
93 ATRACE_CALL();
94 ALOGI("CameraDeviceClient %s: Opened", cameraId.string());
95 }
96
initialize(sp<CameraProviderManager> manager,const String8 & monitorTags)97 status_t CameraDeviceClient::initialize(sp<CameraProviderManager> manager,
98 const String8& monitorTags) {
99 return initializeImpl(manager, monitorTags);
100 }
101
102 template<typename TProviderPtr>
initializeImpl(TProviderPtr providerPtr,const String8 & monitorTags)103 status_t CameraDeviceClient::initializeImpl(TProviderPtr providerPtr, const String8& monitorTags) {
104 ATRACE_CALL();
105 status_t res;
106
107 res = Camera2ClientBase::initialize(providerPtr, monitorTags);
108 if (res != OK) {
109 return res;
110 }
111
112 String8 threadName;
113 mFrameProcessor = new FrameProcessorBase(mDevice);
114 threadName = String8::format("CDU-%s-FrameProc", mCameraIdStr.string());
115 mFrameProcessor->run(threadName.string());
116
117 mFrameProcessor->registerListener(FRAME_PROCESSOR_LISTENER_MIN_ID,
118 FRAME_PROCESSOR_LISTENER_MAX_ID,
119 /*listener*/this,
120 /*sendPartials*/true);
121
122 auto deviceInfo = mDevice->info();
123 camera_metadata_entry_t physicalKeysEntry = deviceInfo.find(
124 ANDROID_REQUEST_AVAILABLE_PHYSICAL_CAMERA_REQUEST_KEYS);
125 if (physicalKeysEntry.count > 0) {
126 mSupportedPhysicalRequestKeys.insert(mSupportedPhysicalRequestKeys.begin(),
127 physicalKeysEntry.data.i32,
128 physicalKeysEntry.data.i32 + physicalKeysEntry.count);
129 }
130
131 mProviderManager = providerPtr;
132 return OK;
133 }
134
~CameraDeviceClient()135 CameraDeviceClient::~CameraDeviceClient() {
136 }
137
submitRequest(const hardware::camera2::CaptureRequest & request,bool streaming,hardware::camera2::utils::SubmitInfo * submitInfo)138 binder::Status CameraDeviceClient::submitRequest(
139 const hardware::camera2::CaptureRequest& request,
140 bool streaming,
141 /*out*/
142 hardware::camera2::utils::SubmitInfo *submitInfo) {
143 std::vector<hardware::camera2::CaptureRequest> requestList = { request };
144 return submitRequestList(requestList, streaming, submitInfo);
145 }
146
insertGbpLocked(const sp<IGraphicBufferProducer> & gbp,SurfaceMap * outSurfaceMap,Vector<int32_t> * outputStreamIds,int32_t * currentStreamId)147 binder::Status CameraDeviceClient::insertGbpLocked(const sp<IGraphicBufferProducer>& gbp,
148 SurfaceMap* outSurfaceMap, Vector<int32_t>* outputStreamIds, int32_t *currentStreamId) {
149 int compositeIdx;
150 int idx = mStreamMap.indexOfKey(IInterface::asBinder(gbp));
151
152 // Trying to submit request with surface that wasn't created
153 if (idx == NAME_NOT_FOUND) {
154 ALOGE("%s: Camera %s: Tried to submit a request with a surface that"
155 " we have not called createStream on",
156 __FUNCTION__, mCameraIdStr.string());
157 return STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT,
158 "Request targets Surface that is not part of current capture session");
159 } else if ((compositeIdx = mCompositeStreamMap.indexOfKey(IInterface::asBinder(gbp)))
160 != NAME_NOT_FOUND) {
161 mCompositeStreamMap.valueAt(compositeIdx)->insertGbp(outSurfaceMap, outputStreamIds,
162 currentStreamId);
163 return binder::Status::ok();
164 }
165
166 const StreamSurfaceId& streamSurfaceId = mStreamMap.valueAt(idx);
167 if (outSurfaceMap->find(streamSurfaceId.streamId()) == outSurfaceMap->end()) {
168 (*outSurfaceMap)[streamSurfaceId.streamId()] = std::vector<size_t>();
169 outputStreamIds->push_back(streamSurfaceId.streamId());
170 }
171 (*outSurfaceMap)[streamSurfaceId.streamId()].push_back(streamSurfaceId.surfaceId());
172
173 ALOGV("%s: Camera %s: Appending output stream %d surface %d to request",
174 __FUNCTION__, mCameraIdStr.string(), streamSurfaceId.streamId(),
175 streamSurfaceId.surfaceId());
176
177 if (currentStreamId != nullptr) {
178 *currentStreamId = streamSurfaceId.streamId();
179 }
180
181 return binder::Status::ok();
182 }
183
submitRequestList(const std::vector<hardware::camera2::CaptureRequest> & requests,bool streaming,hardware::camera2::utils::SubmitInfo * submitInfo)184 binder::Status CameraDeviceClient::submitRequestList(
185 const std::vector<hardware::camera2::CaptureRequest>& requests,
186 bool streaming,
187 /*out*/
188 hardware::camera2::utils::SubmitInfo *submitInfo) {
189 ATRACE_CALL();
190 ALOGV("%s-start of function. Request list size %zu", __FUNCTION__, requests.size());
191
192 binder::Status res = binder::Status::ok();
193 status_t err;
194 if ( !(res = checkPidStatus(__FUNCTION__) ).isOk()) {
195 return res;
196 }
197
198 Mutex::Autolock icl(mBinderSerializationLock);
199
200 if (!mDevice.get()) {
201 return STATUS_ERROR(CameraService::ERROR_DISCONNECTED, "Camera device no longer alive");
202 }
203
204 if (requests.empty()) {
205 ALOGE("%s: Camera %s: Sent null request. Rejecting request.",
206 __FUNCTION__, mCameraIdStr.string());
207 return STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT, "Empty request list");
208 }
209
210 List<const CameraDeviceBase::PhysicalCameraSettingsList> metadataRequestList;
211 std::list<const SurfaceMap> surfaceMapList;
212 submitInfo->mRequestId = mRequestIdCounter;
213 uint32_t loopCounter = 0;
214
215 for (auto&& request: requests) {
216 if (request.mIsReprocess) {
217 if (!mInputStream.configured) {
218 ALOGE("%s: Camera %s: no input stream is configured.", __FUNCTION__,
219 mCameraIdStr.string());
220 return STATUS_ERROR_FMT(CameraService::ERROR_ILLEGAL_ARGUMENT,
221 "No input configured for camera %s but request is for reprocessing",
222 mCameraIdStr.string());
223 } else if (streaming) {
224 ALOGE("%s: Camera %s: streaming reprocess requests not supported.", __FUNCTION__,
225 mCameraIdStr.string());
226 return STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT,
227 "Repeating reprocess requests not supported");
228 } else if (request.mPhysicalCameraSettings.size() > 1) {
229 ALOGE("%s: Camera %s: reprocess requests not supported for "
230 "multiple physical cameras.", __FUNCTION__,
231 mCameraIdStr.string());
232 return STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT,
233 "Reprocess requests not supported for multiple cameras");
234 }
235 }
236
237 if (request.mPhysicalCameraSettings.empty()) {
238 ALOGE("%s: Camera %s: request doesn't contain any settings.", __FUNCTION__,
239 mCameraIdStr.string());
240 return STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT,
241 "Request doesn't contain any settings");
242 }
243
244 //The first capture settings should always match the logical camera id
245 String8 logicalId(request.mPhysicalCameraSettings.begin()->id.c_str());
246 if (mDevice->getId() != logicalId) {
247 ALOGE("%s: Camera %s: Invalid camera request settings.", __FUNCTION__,
248 mCameraIdStr.string());
249 return STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT,
250 "Invalid camera request settings");
251 }
252
253 if (request.mSurfaceList.isEmpty() && request.mStreamIdxList.size() == 0) {
254 ALOGE("%s: Camera %s: Requests must have at least one surface target. "
255 "Rejecting request.", __FUNCTION__, mCameraIdStr.string());
256 return STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT,
257 "Request has no output targets");
258 }
259
260 /**
261 * Write in the output stream IDs and map from stream ID to surface ID
262 * which we calculate from the capture request's list of surface target
263 */
264 SurfaceMap surfaceMap;
265 Vector<int32_t> outputStreamIds;
266 std::vector<std::string> requestedPhysicalIds;
267 if (request.mSurfaceList.size() > 0) {
268 for (const sp<Surface>& surface : request.mSurfaceList) {
269 if (surface == 0) continue;
270
271 int32_t streamId;
272 sp<IGraphicBufferProducer> gbp = surface->getIGraphicBufferProducer();
273 res = insertGbpLocked(gbp, &surfaceMap, &outputStreamIds, &streamId);
274 if (!res.isOk()) {
275 return res;
276 }
277
278 ssize_t index = mConfiguredOutputs.indexOfKey(streamId);
279 if (index >= 0) {
280 String8 requestedPhysicalId(
281 mConfiguredOutputs.valueAt(index).getPhysicalCameraId());
282 requestedPhysicalIds.push_back(requestedPhysicalId.string());
283 } else {
284 ALOGW("%s: Output stream Id not found among configured outputs!", __FUNCTION__);
285 }
286 }
287 } else {
288 for (size_t i = 0; i < request.mStreamIdxList.size(); i++) {
289 int streamId = request.mStreamIdxList.itemAt(i);
290 int surfaceIdx = request.mSurfaceIdxList.itemAt(i);
291
292 ssize_t index = mConfiguredOutputs.indexOfKey(streamId);
293 if (index < 0) {
294 ALOGE("%s: Camera %s: Tried to submit a request with a surface that"
295 " we have not called createStream on: stream %d",
296 __FUNCTION__, mCameraIdStr.string(), streamId);
297 return STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT,
298 "Request targets Surface that is not part of current capture session");
299 }
300
301 const auto& gbps = mConfiguredOutputs.valueAt(index).getGraphicBufferProducers();
302 if ((size_t)surfaceIdx >= gbps.size()) {
303 ALOGE("%s: Camera %s: Tried to submit a request with a surface that"
304 " we have not called createStream on: stream %d, surfaceIdx %d",
305 __FUNCTION__, mCameraIdStr.string(), streamId, surfaceIdx);
306 return STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT,
307 "Request targets Surface has invalid surface index");
308 }
309
310 res = insertGbpLocked(gbps[surfaceIdx], &surfaceMap, &outputStreamIds, nullptr);
311 if (!res.isOk()) {
312 return res;
313 }
314
315 String8 requestedPhysicalId(
316 mConfiguredOutputs.valueAt(index).getPhysicalCameraId());
317 requestedPhysicalIds.push_back(requestedPhysicalId.string());
318 }
319 }
320
321 CameraDeviceBase::PhysicalCameraSettingsList physicalSettingsList;
322 for (const auto& it : request.mPhysicalCameraSettings) {
323 if (it.settings.isEmpty()) {
324 ALOGE("%s: Camera %s: Sent empty metadata packet. Rejecting request.",
325 __FUNCTION__, mCameraIdStr.string());
326 return STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT,
327 "Request settings are empty");
328 }
329
330 String8 physicalId(it.id.c_str());
331 if (physicalId != mDevice->getId()) {
332 auto found = std::find(requestedPhysicalIds.begin(), requestedPhysicalIds.end(),
333 it.id);
334 if (found == requestedPhysicalIds.end()) {
335 ALOGE("%s: Camera %s: Physical camera id: %s not part of attached outputs.",
336 __FUNCTION__, mCameraIdStr.string(), physicalId.string());
337 return STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT,
338 "Invalid physical camera id");
339 }
340
341 if (!mSupportedPhysicalRequestKeys.empty()) {
342 // Filter out any unsupported physical request keys.
343 CameraMetadata filteredParams(mSupportedPhysicalRequestKeys.size());
344 camera_metadata_t *meta = const_cast<camera_metadata_t *>(
345 filteredParams.getAndLock());
346 set_camera_metadata_vendor_id(meta, mDevice->getVendorTagId());
347 filteredParams.unlock(meta);
348
349 for (const auto& keyIt : mSupportedPhysicalRequestKeys) {
350 camera_metadata_ro_entry entry = it.settings.find(keyIt);
351 if (entry.count > 0) {
352 filteredParams.update(entry);
353 }
354 }
355
356 physicalSettingsList.push_back({it.id, filteredParams});
357 }
358 } else {
359 physicalSettingsList.push_back({it.id, it.settings});
360 }
361 }
362
363 if (!enforceRequestPermissions(physicalSettingsList.begin()->metadata)) {
364 // Callee logs
365 return STATUS_ERROR(CameraService::ERROR_PERMISSION_DENIED,
366 "Caller does not have permission to change restricted controls");
367 }
368
369 physicalSettingsList.begin()->metadata.update(ANDROID_REQUEST_OUTPUT_STREAMS,
370 &outputStreamIds[0], outputStreamIds.size());
371
372 if (request.mIsReprocess) {
373 physicalSettingsList.begin()->metadata.update(ANDROID_REQUEST_INPUT_STREAMS,
374 &mInputStream.id, 1);
375 }
376
377 physicalSettingsList.begin()->metadata.update(ANDROID_REQUEST_ID,
378 &(submitInfo->mRequestId), /*size*/1);
379 loopCounter++; // loopCounter starts from 1
380 ALOGV("%s: Camera %s: Creating request with ID %d (%d of %zu)",
381 __FUNCTION__, mCameraIdStr.string(), submitInfo->mRequestId,
382 loopCounter, requests.size());
383
384 metadataRequestList.push_back(physicalSettingsList);
385 surfaceMapList.push_back(surfaceMap);
386 }
387 mRequestIdCounter++;
388
389 if (streaming) {
390 err = mDevice->setStreamingRequestList(metadataRequestList, surfaceMapList,
391 &(submitInfo->mLastFrameNumber));
392 if (err != OK) {
393 String8 msg = String8::format(
394 "Camera %s: Got error %s (%d) after trying to set streaming request",
395 mCameraIdStr.string(), strerror(-err), err);
396 ALOGE("%s: %s", __FUNCTION__, msg.string());
397 res = STATUS_ERROR(CameraService::ERROR_INVALID_OPERATION,
398 msg.string());
399 } else {
400 Mutex::Autolock idLock(mStreamingRequestIdLock);
401 mStreamingRequestId = submitInfo->mRequestId;
402 }
403 } else {
404 err = mDevice->captureList(metadataRequestList, surfaceMapList,
405 &(submitInfo->mLastFrameNumber));
406 if (err != OK) {
407 String8 msg = String8::format(
408 "Camera %s: Got error %s (%d) after trying to submit capture request",
409 mCameraIdStr.string(), strerror(-err), err);
410 ALOGE("%s: %s", __FUNCTION__, msg.string());
411 res = STATUS_ERROR(CameraService::ERROR_INVALID_OPERATION,
412 msg.string());
413 }
414 ALOGV("%s: requestId = %d ", __FUNCTION__, submitInfo->mRequestId);
415 }
416
417 ALOGV("%s: Camera %s: End of function", __FUNCTION__, mCameraIdStr.string());
418 return res;
419 }
420
cancelRequest(int requestId,int64_t * lastFrameNumber)421 binder::Status CameraDeviceClient::cancelRequest(
422 int requestId,
423 /*out*/
424 int64_t* lastFrameNumber) {
425 ATRACE_CALL();
426 ALOGV("%s, requestId = %d", __FUNCTION__, requestId);
427
428 status_t err;
429 binder::Status res;
430
431 if (!(res = checkPidStatus(__FUNCTION__)).isOk()) return res;
432
433 Mutex::Autolock icl(mBinderSerializationLock);
434
435 if (!mDevice.get()) {
436 return STATUS_ERROR(CameraService::ERROR_DISCONNECTED, "Camera device no longer alive");
437 }
438
439 Mutex::Autolock idLock(mStreamingRequestIdLock);
440 if (mStreamingRequestId != requestId) {
441 String8 msg = String8::format("Camera %s: Canceling request ID %d doesn't match "
442 "current request ID %d", mCameraIdStr.string(), requestId, mStreamingRequestId);
443 ALOGE("%s: %s", __FUNCTION__, msg.string());
444 return STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT, msg.string());
445 }
446
447 err = mDevice->clearStreamingRequest(lastFrameNumber);
448
449 if (err == OK) {
450 ALOGV("%s: Camera %s: Successfully cleared streaming request",
451 __FUNCTION__, mCameraIdStr.string());
452 mStreamingRequestId = REQUEST_ID_NONE;
453 } else {
454 res = STATUS_ERROR_FMT(CameraService::ERROR_INVALID_OPERATION,
455 "Camera %s: Error clearing streaming request: %s (%d)",
456 mCameraIdStr.string(), strerror(-err), err);
457 }
458
459 return res;
460 }
461
beginConfigure()462 binder::Status CameraDeviceClient::beginConfigure() {
463 // TODO: Implement this.
464 ATRACE_CALL();
465 ALOGV("%s: Not implemented yet.", __FUNCTION__);
466 return binder::Status::ok();
467 }
468
endConfigure(int operatingMode,const hardware::camera2::impl::CameraMetadataNative & sessionParams)469 binder::Status CameraDeviceClient::endConfigure(int operatingMode,
470 const hardware::camera2::impl::CameraMetadataNative& sessionParams) {
471 ATRACE_CALL();
472 ALOGV("%s: ending configure (%d input stream, %zu output surfaces)",
473 __FUNCTION__, mInputStream.configured ? 1 : 0,
474 mStreamMap.size());
475
476 binder::Status res;
477 if (!(res = checkPidStatus(__FUNCTION__)).isOk()) return res;
478
479 Mutex::Autolock icl(mBinderSerializationLock);
480
481 if (!mDevice.get()) {
482 return STATUS_ERROR(CameraService::ERROR_DISCONNECTED, "Camera device no longer alive");
483 }
484
485 res = checkOperatingModeLocked(operatingMode);
486 if (!res.isOk()) {
487 return res;
488 }
489
490 status_t err = mDevice->configureStreams(sessionParams, operatingMode);
491 if (err == BAD_VALUE) {
492 String8 msg = String8::format("Camera %s: Unsupported set of inputs/outputs provided",
493 mCameraIdStr.string());
494 ALOGE("%s: %s", __FUNCTION__, msg.string());
495 res = STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT, msg.string());
496 } else if (err != OK) {
497 String8 msg = String8::format("Camera %s: Error configuring streams: %s (%d)",
498 mCameraIdStr.string(), strerror(-err), err);
499 ALOGE("%s: %s", __FUNCTION__, msg.string());
500 res = STATUS_ERROR(CameraService::ERROR_INVALID_OPERATION, msg.string());
501 } else {
502 for (size_t i = 0; i < mCompositeStreamMap.size(); ++i) {
503 err = mCompositeStreamMap.valueAt(i)->configureStream();
504 if (err != OK ) {
505 String8 msg = String8::format("Camera %s: Error configuring composite "
506 "streams: %s (%d)", mCameraIdStr.string(), strerror(-err), err);
507 ALOGE("%s: %s", __FUNCTION__, msg.string());
508 res = STATUS_ERROR(CameraService::ERROR_INVALID_OPERATION, msg.string());
509 break;
510 }
511 }
512 }
513
514 return res;
515 }
516
checkSurfaceTypeLocked(size_t numBufferProducers,bool deferredConsumer,int surfaceType) const517 binder::Status CameraDeviceClient::checkSurfaceTypeLocked(size_t numBufferProducers,
518 bool deferredConsumer, int surfaceType) const {
519 if (numBufferProducers > MAX_SURFACES_PER_STREAM) {
520 ALOGE("%s: GraphicBufferProducer count %zu for stream exceeds limit of %d",
521 __FUNCTION__, numBufferProducers, MAX_SURFACES_PER_STREAM);
522 return STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT, "Surface count is too high");
523 } else if ((numBufferProducers == 0) && (!deferredConsumer)) {
524 ALOGE("%s: Number of consumers cannot be smaller than 1", __FUNCTION__);
525 return STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT, "No valid consumers.");
526 }
527
528 bool validSurfaceType = ((surfaceType == OutputConfiguration::SURFACE_TYPE_SURFACE_VIEW) ||
529 (surfaceType == OutputConfiguration::SURFACE_TYPE_SURFACE_TEXTURE));
530
531 if (deferredConsumer && !validSurfaceType) {
532 ALOGE("%s: Target surface has invalid surfaceType = %d.", __FUNCTION__, surfaceType);
533 return STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT, "Target Surface is invalid");
534 }
535
536 return binder::Status::ok();
537 }
538
checkPhysicalCameraIdLocked(String8 physicalCameraId)539 binder::Status CameraDeviceClient::checkPhysicalCameraIdLocked(String8 physicalCameraId) {
540 if (physicalCameraId.size() > 0) {
541 std::vector<std::string> physicalCameraIds;
542 bool logicalCamera =
543 mProviderManager->isLogicalCamera(mCameraIdStr.string(), &physicalCameraIds);
544 if (!logicalCamera ||
545 std::find(physicalCameraIds.begin(), physicalCameraIds.end(),
546 physicalCameraId.string()) == physicalCameraIds.end()) {
547 String8 msg = String8::format("Camera %s: Camera doesn't support physicalCameraId %s.",
548 mCameraIdStr.string(), physicalCameraId.string());
549 ALOGE("%s: %s", __FUNCTION__, msg.string());
550 return STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT, msg.string());
551 }
552 }
553
554 return binder::Status::ok();
555 }
556
checkOperatingModeLocked(int operatingMode) const557 binder::Status CameraDeviceClient::checkOperatingModeLocked(int operatingMode) const {
558 if (operatingMode < 0) {
559 String8 msg = String8::format(
560 "Camera %s: Invalid operating mode %d requested", mCameraIdStr.string(), operatingMode);
561 ALOGE("%s: %s", __FUNCTION__, msg.string());
562 return STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT,
563 msg.string());
564 }
565
566 bool isConstrainedHighSpeed = (operatingMode == ICameraDeviceUser::CONSTRAINED_HIGH_SPEED_MODE);
567 if (isConstrainedHighSpeed) {
568 CameraMetadata staticInfo = mDevice->info();
569 camera_metadata_entry_t entry = staticInfo.find(ANDROID_REQUEST_AVAILABLE_CAPABILITIES);
570 bool isConstrainedHighSpeedSupported = false;
571 for(size_t i = 0; i < entry.count; ++i) {
572 uint8_t capability = entry.data.u8[i];
573 if (capability == ANDROID_REQUEST_AVAILABLE_CAPABILITIES_CONSTRAINED_HIGH_SPEED_VIDEO) {
574 isConstrainedHighSpeedSupported = true;
575 break;
576 }
577 }
578 if (!isConstrainedHighSpeedSupported) {
579 String8 msg = String8::format(
580 "Camera %s: Try to create a constrained high speed configuration on a device"
581 " that doesn't support it.", mCameraIdStr.string());
582 ALOGE("%s: %s", __FUNCTION__, msg.string());
583 return STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT,
584 msg.string());
585 }
586 }
587
588 return binder::Status::ok();
589 }
590
mapStreamInfo(const OutputStreamInfo & streamInfo,camera3_stream_rotation_t rotation,String8 physicalId,hardware::camera::device::V3_4::Stream * stream)591 void CameraDeviceClient::mapStreamInfo(const OutputStreamInfo &streamInfo,
592 camera3_stream_rotation_t rotation, String8 physicalId,
593 hardware::camera::device::V3_4::Stream *stream /*out*/) {
594 if (stream == nullptr) {
595 return;
596 }
597
598 stream->v3_2.streamType = hardware::camera::device::V3_2::StreamType::OUTPUT;
599 stream->v3_2.width = streamInfo.width;
600 stream->v3_2.height = streamInfo.height;
601 stream->v3_2.format = Camera3Device::mapToPixelFormat(streamInfo.format);
602 auto u = streamInfo.consumerUsage;
603 camera3::Camera3OutputStream::applyZSLUsageQuirk(streamInfo.format, &u);
604 stream->v3_2.usage = Camera3Device::mapToConsumerUsage(u);
605 stream->v3_2.dataSpace = Camera3Device::mapToHidlDataspace(streamInfo.dataSpace);
606 stream->v3_2.rotation = Camera3Device::mapToStreamRotation(rotation);
607 stream->v3_2.id = -1; // Invalid stream id
608 stream->physicalCameraId = std::string(physicalId.string());
609 stream->bufferSize = 0;
610 }
611
isSessionConfigurationSupported(const SessionConfiguration & sessionConfiguration,bool * status)612 binder::Status CameraDeviceClient::isSessionConfigurationSupported(
613 const SessionConfiguration& sessionConfiguration, bool *status /*out*/) {
614 ATRACE_CALL();
615
616 binder::Status res;
617 if (!(res = checkPidStatus(__FUNCTION__)).isOk()) return res;
618
619 Mutex::Autolock icl(mBinderSerializationLock);
620
621 if (!mDevice.get()) {
622 return STATUS_ERROR(CameraService::ERROR_DISCONNECTED, "Camera device no longer alive");
623 }
624
625 auto operatingMode = sessionConfiguration.getOperatingMode();
626 res = checkOperatingModeLocked(operatingMode);
627 if (!res.isOk()) {
628 return res;
629 }
630
631 if (status == nullptr) {
632 String8 msg = String8::format( "Camera %s: Invalid status!", mCameraIdStr.string());
633 ALOGE("%s: %s", __FUNCTION__, msg.string());
634 return STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT, msg.string());
635 }
636
637 hardware::camera::device::V3_4::StreamConfiguration streamConfiguration;
638 auto ret = Camera3Device::mapToStreamConfigurationMode(
639 static_cast<camera3_stream_configuration_mode_t> (operatingMode),
640 /*out*/ &streamConfiguration.operationMode);
641 if (ret != OK) {
642 String8 msg = String8::format(
643 "Camera %s: Failed mapping operating mode %d requested: %s (%d)", mCameraIdStr.string(),
644 operatingMode, strerror(-ret), ret);
645 ALOGE("%s: %s", __FUNCTION__, msg.string());
646 return STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT,
647 msg.string());
648 }
649
650 bool isInputValid = (sessionConfiguration.getInputWidth() > 0) &&
651 (sessionConfiguration.getInputHeight() > 0) &&
652 (sessionConfiguration.getInputFormat() > 0);
653 auto outputConfigs = sessionConfiguration.getOutputConfigurations();
654 size_t streamCount = outputConfigs.size();
655 streamCount = isInputValid ? streamCount + 1 : streamCount;
656 streamConfiguration.streams.resize(streamCount);
657 size_t streamIdx = 0;
658 if (isInputValid) {
659 streamConfiguration.streams[streamIdx++] = {{/*streamId*/0,
660 hardware::camera::device::V3_2::StreamType::INPUT,
661 static_cast<uint32_t> (sessionConfiguration.getInputWidth()),
662 static_cast<uint32_t> (sessionConfiguration.getInputHeight()),
663 Camera3Device::mapToPixelFormat(sessionConfiguration.getInputFormat()),
664 /*usage*/ 0, HAL_DATASPACE_UNKNOWN,
665 hardware::camera::device::V3_2::StreamRotation::ROTATION_0},
666 /*physicalId*/ nullptr, /*bufferSize*/0};
667 }
668
669 for (const auto &it : outputConfigs) {
670 const std::vector<sp<IGraphicBufferProducer>>& bufferProducers =
671 it.getGraphicBufferProducers();
672 bool deferredConsumer = it.isDeferred();
673 String8 physicalCameraId = String8(it.getPhysicalCameraId());
674 size_t numBufferProducers = bufferProducers.size();
675 bool isStreamInfoValid = false;
676 OutputStreamInfo streamInfo;
677
678 res = checkSurfaceTypeLocked(numBufferProducers, deferredConsumer, it.getSurfaceType());
679 if (!res.isOk()) {
680 return res;
681 }
682
683 res = checkPhysicalCameraIdLocked(physicalCameraId);
684 if (!res.isOk()) {
685 return res;
686 }
687
688 if (deferredConsumer) {
689 streamInfo.width = it.getWidth();
690 streamInfo.height = it.getHeight();
691 streamInfo.format = HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED;
692 streamInfo.dataSpace = android_dataspace_t::HAL_DATASPACE_UNKNOWN;
693 auto surfaceType = it.getSurfaceType();
694 streamInfo.consumerUsage = GraphicBuffer::USAGE_HW_TEXTURE;
695 if (surfaceType == OutputConfiguration::SURFACE_TYPE_SURFACE_VIEW) {
696 streamInfo.consumerUsage |= GraphicBuffer::USAGE_HW_COMPOSER;
697 }
698 mapStreamInfo(streamInfo, CAMERA3_STREAM_ROTATION_0, physicalCameraId,
699 &streamConfiguration.streams[streamIdx++]);
700 isStreamInfoValid = true;
701
702 if (numBufferProducers == 0) {
703 continue;
704 }
705 }
706
707 for (auto& bufferProducer : bufferProducers) {
708 sp<Surface> surface;
709 res = createSurfaceFromGbp(streamInfo, isStreamInfoValid, surface, bufferProducer,
710 physicalCameraId);
711
712 if (!res.isOk())
713 return res;
714
715 if (!isStreamInfoValid) {
716 bool isDepthCompositeStream =
717 camera3::DepthCompositeStream::isDepthCompositeStream(surface);
718 bool isHeicCompositeStream =
719 camera3::HeicCompositeStream::isHeicCompositeStream(surface);
720 if (isDepthCompositeStream || isHeicCompositeStream) {
721 // We need to take in to account that composite streams can have
722 // additional internal camera streams.
723 std::vector<OutputStreamInfo> compositeStreams;
724 if (isDepthCompositeStream) {
725 ret = camera3::DepthCompositeStream::getCompositeStreamInfo(streamInfo,
726 mDevice->info(), &compositeStreams);
727 } else {
728 ret = camera3::HeicCompositeStream::getCompositeStreamInfo(streamInfo,
729 mDevice->info(), &compositeStreams);
730 }
731 if (ret != OK) {
732 String8 msg = String8::format(
733 "Camera %s: Failed adding composite streams: %s (%d)",
734 mCameraIdStr.string(), strerror(-ret), ret);
735 ALOGE("%s: %s", __FUNCTION__, msg.string());
736 return STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT, msg.string());
737 }
738
739 if (compositeStreams.size() == 0) {
740 // No internal streams means composite stream not
741 // supported.
742 *status = false;
743 return binder::Status::ok();
744 } else if (compositeStreams.size() > 1) {
745 streamCount += compositeStreams.size() - 1;
746 streamConfiguration.streams.resize(streamCount);
747 }
748
749 for (const auto& compositeStream : compositeStreams) {
750 mapStreamInfo(compositeStream,
751 static_cast<camera3_stream_rotation_t> (it.getRotation()),
752 physicalCameraId, &streamConfiguration.streams[streamIdx++]);
753 }
754 } else {
755 mapStreamInfo(streamInfo,
756 static_cast<camera3_stream_rotation_t> (it.getRotation()),
757 physicalCameraId, &streamConfiguration.streams[streamIdx++]);
758 }
759 isStreamInfoValid = true;
760 }
761 }
762 }
763
764 *status = false;
765 ret = mProviderManager->isSessionConfigurationSupported(mCameraIdStr.string(),
766 streamConfiguration, status);
767 switch (ret) {
768 case OK:
769 // Expected, do nothing.
770 break;
771 case INVALID_OPERATION: {
772 String8 msg = String8::format(
773 "Camera %s: Session configuration query not supported!",
774 mCameraIdStr.string());
775 ALOGD("%s: %s", __FUNCTION__, msg.string());
776 res = STATUS_ERROR(CameraService::ERROR_INVALID_OPERATION, msg.string());
777 }
778
779 break;
780 default: {
781 String8 msg = String8::format( "Camera %s: Error: %s (%d)", mCameraIdStr.string(),
782 strerror(-ret), ret);
783 ALOGE("%s: %s", __FUNCTION__, msg.string());
784 res = STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT,
785 msg.string());
786 }
787 }
788
789 return res;
790 }
791
deleteStream(int streamId)792 binder::Status CameraDeviceClient::deleteStream(int streamId) {
793 ATRACE_CALL();
794 ALOGV("%s (streamId = 0x%x)", __FUNCTION__, streamId);
795
796 binder::Status res;
797 if (!(res = checkPidStatus(__FUNCTION__)).isOk()) return res;
798
799 Mutex::Autolock icl(mBinderSerializationLock);
800
801 if (!mDevice.get()) {
802 return STATUS_ERROR(CameraService::ERROR_DISCONNECTED, "Camera device no longer alive");
803 }
804
805 bool isInput = false;
806 std::vector<sp<IBinder>> surfaces;
807 ssize_t dIndex = NAME_NOT_FOUND;
808 ssize_t compositeIndex = NAME_NOT_FOUND;
809
810 if (mInputStream.configured && mInputStream.id == streamId) {
811 isInput = true;
812 } else {
813 // Guard against trying to delete non-created streams
814 for (size_t i = 0; i < mStreamMap.size(); ++i) {
815 if (streamId == mStreamMap.valueAt(i).streamId()) {
816 surfaces.push_back(mStreamMap.keyAt(i));
817 }
818 }
819
820 // See if this stream is one of the deferred streams.
821 for (size_t i = 0; i < mDeferredStreams.size(); ++i) {
822 if (streamId == mDeferredStreams[i]) {
823 dIndex = i;
824 break;
825 }
826 }
827
828 for (size_t i = 0; i < mCompositeStreamMap.size(); ++i) {
829 if (streamId == mCompositeStreamMap.valueAt(i)->getStreamId()) {
830 compositeIndex = i;
831 break;
832 }
833 }
834
835 if (surfaces.empty() && dIndex == NAME_NOT_FOUND) {
836 String8 msg = String8::format("Camera %s: Invalid stream ID (%d) specified, no such"
837 " stream created yet", mCameraIdStr.string(), streamId);
838 ALOGW("%s: %s", __FUNCTION__, msg.string());
839 return STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT, msg.string());
840 }
841 }
842
843 // Also returns BAD_VALUE if stream ID was not valid
844 status_t err = mDevice->deleteStream(streamId);
845
846 if (err != OK) {
847 String8 msg = String8::format("Camera %s: Unexpected error %s (%d) when deleting stream %d",
848 mCameraIdStr.string(), strerror(-err), err, streamId);
849 ALOGE("%s: %s", __FUNCTION__, msg.string());
850 res = STATUS_ERROR(CameraService::ERROR_INVALID_OPERATION, msg.string());
851 } else {
852 if (isInput) {
853 mInputStream.configured = false;
854 } else {
855 for (auto& surface : surfaces) {
856 mStreamMap.removeItem(surface);
857 }
858
859 mConfiguredOutputs.removeItem(streamId);
860
861 if (dIndex != NAME_NOT_FOUND) {
862 mDeferredStreams.removeItemsAt(dIndex);
863 }
864
865 if (compositeIndex != NAME_NOT_FOUND) {
866 status_t ret;
867 if ((ret = mCompositeStreamMap.valueAt(compositeIndex)->deleteStream())
868 != OK) {
869 String8 msg = String8::format("Camera %s: Unexpected error %s (%d) when "
870 "deleting composite stream %d", mCameraIdStr.string(), strerror(-err), err,
871 streamId);
872 ALOGE("%s: %s", __FUNCTION__, msg.string());
873 res = STATUS_ERROR(CameraService::ERROR_INVALID_OPERATION, msg.string());
874 }
875 mCompositeStreamMap.removeItemsAt(compositeIndex);
876 }
877 }
878 }
879
880 return res;
881 }
882
createStream(const hardware::camera2::params::OutputConfiguration & outputConfiguration,int32_t * newStreamId)883 binder::Status CameraDeviceClient::createStream(
884 const hardware::camera2::params::OutputConfiguration &outputConfiguration,
885 /*out*/
886 int32_t* newStreamId) {
887 ATRACE_CALL();
888
889 binder::Status res;
890 if (!(res = checkPidStatus(__FUNCTION__)).isOk()) return res;
891
892 Mutex::Autolock icl(mBinderSerializationLock);
893
894 const std::vector<sp<IGraphicBufferProducer>>& bufferProducers =
895 outputConfiguration.getGraphicBufferProducers();
896 size_t numBufferProducers = bufferProducers.size();
897 bool deferredConsumer = outputConfiguration.isDeferred();
898 bool isShared = outputConfiguration.isShared();
899 String8 physicalCameraId = String8(outputConfiguration.getPhysicalCameraId());
900 bool deferredConsumerOnly = deferredConsumer && numBufferProducers == 0;
901
902 res = checkSurfaceTypeLocked(numBufferProducers, deferredConsumer,
903 outputConfiguration.getSurfaceType());
904 if (!res.isOk()) {
905 return res;
906 }
907
908 if (!mDevice.get()) {
909 return STATUS_ERROR(CameraService::ERROR_DISCONNECTED, "Camera device no longer alive");
910 }
911
912 res = checkPhysicalCameraIdLocked(physicalCameraId);
913 if (!res.isOk()) {
914 return res;
915 }
916
917 std::vector<sp<Surface>> surfaces;
918 std::vector<sp<IBinder>> binders;
919 status_t err;
920
921 // Create stream for deferred surface case.
922 if (deferredConsumerOnly) {
923 return createDeferredSurfaceStreamLocked(outputConfiguration, isShared, newStreamId);
924 }
925
926 OutputStreamInfo streamInfo;
927 bool isStreamInfoValid = false;
928 for (auto& bufferProducer : bufferProducers) {
929 // Don't create multiple streams for the same target surface
930 sp<IBinder> binder = IInterface::asBinder(bufferProducer);
931 ssize_t index = mStreamMap.indexOfKey(binder);
932 if (index != NAME_NOT_FOUND) {
933 String8 msg = String8::format("Camera %s: Surface already has a stream created for it "
934 "(ID %zd)", mCameraIdStr.string(), index);
935 ALOGW("%s: %s", __FUNCTION__, msg.string());
936 return STATUS_ERROR(CameraService::ERROR_ALREADY_EXISTS, msg.string());
937 }
938
939 sp<Surface> surface;
940 res = createSurfaceFromGbp(streamInfo, isStreamInfoValid, surface, bufferProducer,
941 physicalCameraId);
942
943 if (!res.isOk())
944 return res;
945
946 if (!isStreamInfoValid) {
947 isStreamInfoValid = true;
948 }
949
950 binders.push_back(IInterface::asBinder(bufferProducer));
951 surfaces.push_back(surface);
952 }
953
954 int streamId = camera3::CAMERA3_STREAM_ID_INVALID;
955 std::vector<int> surfaceIds;
956 bool isDepthCompositeStream = camera3::DepthCompositeStream::isDepthCompositeStream(surfaces[0]);
957 bool isHeicCompisiteStream = camera3::HeicCompositeStream::isHeicCompositeStream(surfaces[0]);
958 if (isDepthCompositeStream || isHeicCompisiteStream) {
959 sp<CompositeStream> compositeStream;
960 if (isDepthCompositeStream) {
961 compositeStream = new camera3::DepthCompositeStream(mDevice, getRemoteCallback());
962 } else {
963 compositeStream = new camera3::HeicCompositeStream(mDevice, getRemoteCallback());
964 }
965
966 err = compositeStream->createStream(surfaces, deferredConsumer, streamInfo.width,
967 streamInfo.height, streamInfo.format,
968 static_cast<camera3_stream_rotation_t>(outputConfiguration.getRotation()),
969 &streamId, physicalCameraId, &surfaceIds, outputConfiguration.getSurfaceSetID(),
970 isShared);
971 if (err == OK) {
972 mCompositeStreamMap.add(IInterface::asBinder(surfaces[0]->getIGraphicBufferProducer()),
973 compositeStream);
974 }
975 } else {
976 err = mDevice->createStream(surfaces, deferredConsumer, streamInfo.width,
977 streamInfo.height, streamInfo.format, streamInfo.dataSpace,
978 static_cast<camera3_stream_rotation_t>(outputConfiguration.getRotation()),
979 &streamId, physicalCameraId, &surfaceIds, outputConfiguration.getSurfaceSetID(),
980 isShared);
981 }
982
983 if (err != OK) {
984 res = STATUS_ERROR_FMT(CameraService::ERROR_INVALID_OPERATION,
985 "Camera %s: Error creating output stream (%d x %d, fmt %x, dataSpace %x): %s (%d)",
986 mCameraIdStr.string(), streamInfo.width, streamInfo.height, streamInfo.format,
987 streamInfo.dataSpace, strerror(-err), err);
988 } else {
989 int i = 0;
990 for (auto& binder : binders) {
991 ALOGV("%s: mStreamMap add binder %p streamId %d, surfaceId %d",
992 __FUNCTION__, binder.get(), streamId, i);
993 mStreamMap.add(binder, StreamSurfaceId(streamId, surfaceIds[i]));
994 i++;
995 }
996
997 mConfiguredOutputs.add(streamId, outputConfiguration);
998 mStreamInfoMap[streamId] = streamInfo;
999
1000 ALOGV("%s: Camera %s: Successfully created a new stream ID %d for output surface"
1001 " (%d x %d) with format 0x%x.",
1002 __FUNCTION__, mCameraIdStr.string(), streamId, streamInfo.width,
1003 streamInfo.height, streamInfo.format);
1004
1005 // Set transform flags to ensure preview to be rotated correctly.
1006 res = setStreamTransformLocked(streamId);
1007
1008 *newStreamId = streamId;
1009 }
1010
1011 return res;
1012 }
1013
createDeferredSurfaceStreamLocked(const hardware::camera2::params::OutputConfiguration & outputConfiguration,bool isShared,int * newStreamId)1014 binder::Status CameraDeviceClient::createDeferredSurfaceStreamLocked(
1015 const hardware::camera2::params::OutputConfiguration &outputConfiguration,
1016 bool isShared,
1017 /*out*/
1018 int* newStreamId) {
1019 int width, height, format, surfaceType;
1020 uint64_t consumerUsage;
1021 android_dataspace dataSpace;
1022 status_t err;
1023 binder::Status res;
1024
1025 if (!mDevice.get()) {
1026 return STATUS_ERROR(CameraService::ERROR_DISCONNECTED, "Camera device no longer alive");
1027 }
1028
1029 // Infer the surface info for deferred surface stream creation.
1030 width = outputConfiguration.getWidth();
1031 height = outputConfiguration.getHeight();
1032 surfaceType = outputConfiguration.getSurfaceType();
1033 format = HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED;
1034 dataSpace = android_dataspace_t::HAL_DATASPACE_UNKNOWN;
1035 // Hardcode consumer usage flags: SurfaceView--0x900, SurfaceTexture--0x100.
1036 consumerUsage = GraphicBuffer::USAGE_HW_TEXTURE;
1037 if (surfaceType == OutputConfiguration::SURFACE_TYPE_SURFACE_VIEW) {
1038 consumerUsage |= GraphicBuffer::USAGE_HW_COMPOSER;
1039 }
1040 int streamId = camera3::CAMERA3_STREAM_ID_INVALID;
1041 std::vector<sp<Surface>> noSurface;
1042 std::vector<int> surfaceIds;
1043 String8 physicalCameraId(outputConfiguration.getPhysicalCameraId());
1044 err = mDevice->createStream(noSurface, /*hasDeferredConsumer*/true, width,
1045 height, format, dataSpace,
1046 static_cast<camera3_stream_rotation_t>(outputConfiguration.getRotation()),
1047 &streamId, physicalCameraId, &surfaceIds,
1048 outputConfiguration.getSurfaceSetID(), isShared,
1049 consumerUsage);
1050
1051 if (err != OK) {
1052 res = STATUS_ERROR_FMT(CameraService::ERROR_INVALID_OPERATION,
1053 "Camera %s: Error creating output stream (%d x %d, fmt %x, dataSpace %x): %s (%d)",
1054 mCameraIdStr.string(), width, height, format, dataSpace, strerror(-err), err);
1055 } else {
1056 // Can not add streamId to mStreamMap here, as the surface is deferred. Add it to
1057 // a separate list to track. Once the deferred surface is set, this id will be
1058 // relocated to mStreamMap.
1059 mDeferredStreams.push_back(streamId);
1060
1061 mStreamInfoMap.emplace(std::piecewise_construct, std::forward_as_tuple(streamId),
1062 std::forward_as_tuple(width, height, format, dataSpace, consumerUsage));
1063
1064 ALOGV("%s: Camera %s: Successfully created a new stream ID %d for a deferred surface"
1065 " (%d x %d) stream with format 0x%x.",
1066 __FUNCTION__, mCameraIdStr.string(), streamId, width, height, format);
1067
1068 // Set transform flags to ensure preview to be rotated correctly.
1069 res = setStreamTransformLocked(streamId);
1070
1071 *newStreamId = streamId;
1072 }
1073 return res;
1074 }
1075
setStreamTransformLocked(int streamId)1076 binder::Status CameraDeviceClient::setStreamTransformLocked(int streamId) {
1077 int32_t transform = 0;
1078 status_t err;
1079 binder::Status res;
1080
1081 if (!mDevice.get()) {
1082 return STATUS_ERROR(CameraService::ERROR_DISCONNECTED, "Camera device no longer alive");
1083 }
1084
1085 err = getRotationTransformLocked(&transform);
1086 if (err != OK) {
1087 // Error logged by getRotationTransformLocked.
1088 return STATUS_ERROR(CameraService::ERROR_INVALID_OPERATION,
1089 "Unable to calculate rotation transform for new stream");
1090 }
1091
1092 err = mDevice->setStreamTransform(streamId, transform);
1093 if (err != OK) {
1094 String8 msg = String8::format("Failed to set stream transform (stream id %d)",
1095 streamId);
1096 ALOGE("%s: %s", __FUNCTION__, msg.string());
1097 return STATUS_ERROR(CameraService::ERROR_INVALID_OPERATION, msg.string());
1098 }
1099
1100 return res;
1101 }
1102
createInputStream(int width,int height,int format,int32_t * newStreamId)1103 binder::Status CameraDeviceClient::createInputStream(
1104 int width, int height, int format,
1105 /*out*/
1106 int32_t* newStreamId) {
1107
1108 ATRACE_CALL();
1109 ALOGV("%s (w = %d, h = %d, f = 0x%x)", __FUNCTION__, width, height, format);
1110
1111 binder::Status res;
1112 if (!(res = checkPidStatus(__FUNCTION__)).isOk()) return res;
1113
1114 Mutex::Autolock icl(mBinderSerializationLock);
1115
1116 if (!mDevice.get()) {
1117 return STATUS_ERROR(CameraService::ERROR_DISCONNECTED, "Camera device no longer alive");
1118 }
1119
1120 if (mInputStream.configured) {
1121 String8 msg = String8::format("Camera %s: Already has an input stream "
1122 "configured (ID %d)", mCameraIdStr.string(), mInputStream.id);
1123 ALOGE("%s: %s", __FUNCTION__, msg.string() );
1124 return STATUS_ERROR(CameraService::ERROR_ALREADY_EXISTS, msg.string());
1125 }
1126
1127 int streamId = -1;
1128 status_t err = mDevice->createInputStream(width, height, format, &streamId);
1129 if (err == OK) {
1130 mInputStream.configured = true;
1131 mInputStream.width = width;
1132 mInputStream.height = height;
1133 mInputStream.format = format;
1134 mInputStream.id = streamId;
1135
1136 ALOGV("%s: Camera %s: Successfully created a new input stream ID %d",
1137 __FUNCTION__, mCameraIdStr.string(), streamId);
1138
1139 *newStreamId = streamId;
1140 } else {
1141 res = STATUS_ERROR_FMT(CameraService::ERROR_INVALID_OPERATION,
1142 "Camera %s: Error creating new input stream: %s (%d)", mCameraIdStr.string(),
1143 strerror(-err), err);
1144 }
1145
1146 return res;
1147 }
1148
getInputSurface(view::Surface * inputSurface)1149 binder::Status CameraDeviceClient::getInputSurface(/*out*/ view::Surface *inputSurface) {
1150
1151 binder::Status res;
1152 if (!(res = checkPidStatus(__FUNCTION__)).isOk()) return res;
1153
1154 if (inputSurface == NULL) {
1155 return STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT, "Null input surface");
1156 }
1157
1158 Mutex::Autolock icl(mBinderSerializationLock);
1159 if (!mDevice.get()) {
1160 return STATUS_ERROR(CameraService::ERROR_DISCONNECTED, "Camera device no longer alive");
1161 }
1162 sp<IGraphicBufferProducer> producer;
1163 status_t err = mDevice->getInputBufferProducer(&producer);
1164 if (err != OK) {
1165 res = STATUS_ERROR_FMT(CameraService::ERROR_INVALID_OPERATION,
1166 "Camera %s: Error getting input Surface: %s (%d)",
1167 mCameraIdStr.string(), strerror(-err), err);
1168 } else {
1169 inputSurface->name = String16("CameraInput");
1170 inputSurface->graphicBufferProducer = producer;
1171 }
1172 return res;
1173 }
1174
updateOutputConfiguration(int streamId,const hardware::camera2::params::OutputConfiguration & outputConfiguration)1175 binder::Status CameraDeviceClient::updateOutputConfiguration(int streamId,
1176 const hardware::camera2::params::OutputConfiguration &outputConfiguration) {
1177 ATRACE_CALL();
1178
1179 binder::Status res;
1180 if (!(res = checkPidStatus(__FUNCTION__)).isOk()) return res;
1181
1182 Mutex::Autolock icl(mBinderSerializationLock);
1183
1184 if (!mDevice.get()) {
1185 return STATUS_ERROR(CameraService::ERROR_DISCONNECTED, "Camera device no longer alive");
1186 }
1187
1188 const std::vector<sp<IGraphicBufferProducer> >& bufferProducers =
1189 outputConfiguration.getGraphicBufferProducers();
1190 String8 physicalCameraId(outputConfiguration.getPhysicalCameraId());
1191
1192 auto producerCount = bufferProducers.size();
1193 if (producerCount == 0) {
1194 ALOGE("%s: bufferProducers must not be empty", __FUNCTION__);
1195 return STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT,
1196 "bufferProducers must not be empty");
1197 }
1198
1199 // The first output is the one associated with the output configuration.
1200 // It should always be present, valid and the corresponding stream id should match.
1201 sp<IBinder> binder = IInterface::asBinder(bufferProducers[0]);
1202 ssize_t index = mStreamMap.indexOfKey(binder);
1203 if (index == NAME_NOT_FOUND) {
1204 ALOGE("%s: Outputconfiguration is invalid", __FUNCTION__);
1205 return STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT,
1206 "OutputConfiguration is invalid");
1207 }
1208 if (mStreamMap.valueFor(binder).streamId() != streamId) {
1209 ALOGE("%s: Stream Id: %d provided doesn't match the id: %d in the stream map",
1210 __FUNCTION__, streamId, mStreamMap.valueFor(binder).streamId());
1211 return STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT,
1212 "Stream id is invalid");
1213 }
1214
1215 std::vector<size_t> removedSurfaceIds;
1216 std::vector<sp<IBinder>> removedOutputs;
1217 std::vector<sp<Surface>> newOutputs;
1218 std::vector<OutputStreamInfo> streamInfos;
1219 KeyedVector<sp<IBinder>, sp<IGraphicBufferProducer>> newOutputsMap;
1220 for (auto &it : bufferProducers) {
1221 newOutputsMap.add(IInterface::asBinder(it), it);
1222 }
1223
1224 for (size_t i = 0; i < mStreamMap.size(); i++) {
1225 ssize_t idx = newOutputsMap.indexOfKey(mStreamMap.keyAt(i));
1226 if (idx == NAME_NOT_FOUND) {
1227 if (mStreamMap[i].streamId() == streamId) {
1228 removedSurfaceIds.push_back(mStreamMap[i].surfaceId());
1229 removedOutputs.push_back(mStreamMap.keyAt(i));
1230 }
1231 } else {
1232 if (mStreamMap[i].streamId() != streamId) {
1233 ALOGE("%s: Output surface already part of a different stream", __FUNCTION__);
1234 return STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT,
1235 "Target Surface is invalid");
1236 }
1237 newOutputsMap.removeItemsAt(idx);
1238 }
1239 }
1240
1241 for (size_t i = 0; i < newOutputsMap.size(); i++) {
1242 OutputStreamInfo outInfo;
1243 sp<Surface> surface;
1244 res = createSurfaceFromGbp(outInfo, /*isStreamInfoValid*/ false, surface,
1245 newOutputsMap.valueAt(i), physicalCameraId);
1246 if (!res.isOk())
1247 return res;
1248
1249 streamInfos.push_back(outInfo);
1250 newOutputs.push_back(surface);
1251 }
1252
1253 //Trivial case no changes required
1254 if (removedSurfaceIds.empty() && newOutputs.empty()) {
1255 return binder::Status::ok();
1256 }
1257
1258 KeyedVector<sp<Surface>, size_t> outputMap;
1259 auto ret = mDevice->updateStream(streamId, newOutputs, streamInfos, removedSurfaceIds,
1260 &outputMap);
1261 if (ret != OK) {
1262 switch (ret) {
1263 case NAME_NOT_FOUND:
1264 case BAD_VALUE:
1265 case -EBUSY:
1266 res = STATUS_ERROR_FMT(CameraService::ERROR_ILLEGAL_ARGUMENT,
1267 "Camera %s: Error updating stream: %s (%d)",
1268 mCameraIdStr.string(), strerror(ret), ret);
1269 break;
1270 default:
1271 res = STATUS_ERROR_FMT(CameraService::ERROR_INVALID_OPERATION,
1272 "Camera %s: Error updating stream: %s (%d)",
1273 mCameraIdStr.string(), strerror(ret), ret);
1274 break;
1275 }
1276 } else {
1277 for (const auto &it : removedOutputs) {
1278 mStreamMap.removeItem(it);
1279 }
1280
1281 for (size_t i = 0; i < outputMap.size(); i++) {
1282 mStreamMap.add(IInterface::asBinder(outputMap.keyAt(i)->getIGraphicBufferProducer()),
1283 StreamSurfaceId(streamId, outputMap.valueAt(i)));
1284 }
1285
1286 mConfiguredOutputs.replaceValueFor(streamId, outputConfiguration);
1287
1288 ALOGV("%s: Camera %s: Successful stream ID %d update",
1289 __FUNCTION__, mCameraIdStr.string(), streamId);
1290 }
1291
1292 return res;
1293 }
1294
isPublicFormat(int32_t format)1295 bool CameraDeviceClient::isPublicFormat(int32_t format)
1296 {
1297 switch(format) {
1298 case HAL_PIXEL_FORMAT_RGBA_8888:
1299 case HAL_PIXEL_FORMAT_RGBX_8888:
1300 case HAL_PIXEL_FORMAT_RGB_888:
1301 case HAL_PIXEL_FORMAT_RGB_565:
1302 case HAL_PIXEL_FORMAT_BGRA_8888:
1303 case HAL_PIXEL_FORMAT_YV12:
1304 case HAL_PIXEL_FORMAT_Y8:
1305 case HAL_PIXEL_FORMAT_Y16:
1306 case HAL_PIXEL_FORMAT_RAW16:
1307 case HAL_PIXEL_FORMAT_RAW10:
1308 case HAL_PIXEL_FORMAT_RAW12:
1309 case HAL_PIXEL_FORMAT_RAW_OPAQUE:
1310 case HAL_PIXEL_FORMAT_BLOB:
1311 case HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED:
1312 case HAL_PIXEL_FORMAT_YCbCr_420_888:
1313 case HAL_PIXEL_FORMAT_YCbCr_422_SP:
1314 case HAL_PIXEL_FORMAT_YCrCb_420_SP:
1315 case HAL_PIXEL_FORMAT_YCbCr_422_I:
1316 return true;
1317 default:
1318 return false;
1319 }
1320 }
1321
createSurfaceFromGbp(OutputStreamInfo & streamInfo,bool isStreamInfoValid,sp<Surface> & surface,const sp<IGraphicBufferProducer> & gbp,const String8 & physicalId)1322 binder::Status CameraDeviceClient::createSurfaceFromGbp(
1323 OutputStreamInfo& streamInfo, bool isStreamInfoValid,
1324 sp<Surface>& surface, const sp<IGraphicBufferProducer>& gbp,
1325 const String8& physicalId) {
1326
1327 // bufferProducer must be non-null
1328 if (gbp == nullptr) {
1329 String8 msg = String8::format("Camera %s: Surface is NULL", mCameraIdStr.string());
1330 ALOGW("%s: %s", __FUNCTION__, msg.string());
1331 return STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT, msg.string());
1332 }
1333 // HACK b/10949105
1334 // Query consumer usage bits to set async operation mode for
1335 // GLConsumer using controlledByApp parameter.
1336 bool useAsync = false;
1337 uint64_t consumerUsage = 0;
1338 status_t err;
1339 if ((err = gbp->getConsumerUsage(&consumerUsage)) != OK) {
1340 String8 msg = String8::format("Camera %s: Failed to query Surface consumer usage: %s (%d)",
1341 mCameraIdStr.string(), strerror(-err), err);
1342 ALOGE("%s: %s", __FUNCTION__, msg.string());
1343 return STATUS_ERROR(CameraService::ERROR_INVALID_OPERATION, msg.string());
1344 }
1345 if (consumerUsage & GraphicBuffer::USAGE_HW_TEXTURE) {
1346 ALOGW("%s: Camera %s with consumer usage flag: %" PRIu64 ": Forcing asynchronous mode for stream",
1347 __FUNCTION__, mCameraIdStr.string(), consumerUsage);
1348 useAsync = true;
1349 }
1350
1351 uint64_t disallowedFlags = GraphicBuffer::USAGE_HW_VIDEO_ENCODER |
1352 GRALLOC_USAGE_RENDERSCRIPT;
1353 uint64_t allowedFlags = GraphicBuffer::USAGE_SW_READ_MASK |
1354 GraphicBuffer::USAGE_HW_TEXTURE |
1355 GraphicBuffer::USAGE_HW_COMPOSER;
1356 bool flexibleConsumer = (consumerUsage & disallowedFlags) == 0 &&
1357 (consumerUsage & allowedFlags) != 0;
1358
1359 surface = new Surface(gbp, useAsync);
1360 ANativeWindow *anw = surface.get();
1361
1362 int width, height, format;
1363 android_dataspace dataSpace;
1364 if ((err = anw->query(anw, NATIVE_WINDOW_WIDTH, &width)) != OK) {
1365 String8 msg = String8::format("Camera %s: Failed to query Surface width: %s (%d)",
1366 mCameraIdStr.string(), strerror(-err), err);
1367 ALOGE("%s: %s", __FUNCTION__, msg.string());
1368 return STATUS_ERROR(CameraService::ERROR_INVALID_OPERATION, msg.string());
1369 }
1370 if ((err = anw->query(anw, NATIVE_WINDOW_HEIGHT, &height)) != OK) {
1371 String8 msg = String8::format("Camera %s: Failed to query Surface height: %s (%d)",
1372 mCameraIdStr.string(), strerror(-err), err);
1373 ALOGE("%s: %s", __FUNCTION__, msg.string());
1374 return STATUS_ERROR(CameraService::ERROR_INVALID_OPERATION, msg.string());
1375 }
1376 if ((err = anw->query(anw, NATIVE_WINDOW_FORMAT, &format)) != OK) {
1377 String8 msg = String8::format("Camera %s: Failed to query Surface format: %s (%d)",
1378 mCameraIdStr.string(), strerror(-err), err);
1379 ALOGE("%s: %s", __FUNCTION__, msg.string());
1380 return STATUS_ERROR(CameraService::ERROR_INVALID_OPERATION, msg.string());
1381 }
1382 if ((err = anw->query(anw, NATIVE_WINDOW_DEFAULT_DATASPACE,
1383 reinterpret_cast<int*>(&dataSpace))) != OK) {
1384 String8 msg = String8::format("Camera %s: Failed to query Surface dataspace: %s (%d)",
1385 mCameraIdStr.string(), strerror(-err), err);
1386 ALOGE("%s: %s", __FUNCTION__, msg.string());
1387 return STATUS_ERROR(CameraService::ERROR_INVALID_OPERATION, msg.string());
1388 }
1389
1390 // FIXME: remove this override since the default format should be
1391 // IMPLEMENTATION_DEFINED. b/9487482 & b/35317944
1392 if ((format >= HAL_PIXEL_FORMAT_RGBA_8888 && format <= HAL_PIXEL_FORMAT_BGRA_8888) &&
1393 ((consumerUsage & GRALLOC_USAGE_HW_MASK) &&
1394 ((consumerUsage & GRALLOC_USAGE_SW_READ_MASK) == 0))) {
1395 ALOGW("%s: Camera %s: Overriding format %#x to IMPLEMENTATION_DEFINED",
1396 __FUNCTION__, mCameraIdStr.string(), format);
1397 format = HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED;
1398 }
1399 // Round dimensions to the nearest dimensions available for this format
1400 if (flexibleConsumer && isPublicFormat(format) &&
1401 !CameraDeviceClient::roundBufferDimensionNearest(width, height,
1402 format, dataSpace, mDevice->info(physicalId), /*out*/&width, /*out*/&height)) {
1403 String8 msg = String8::format("Camera %s: No supported stream configurations with "
1404 "format %#x defined, failed to create output stream",
1405 mCameraIdStr.string(), format);
1406 ALOGE("%s: %s", __FUNCTION__, msg.string());
1407 return STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT, msg.string());
1408 }
1409
1410 if (!isStreamInfoValid) {
1411 streamInfo.width = width;
1412 streamInfo.height = height;
1413 streamInfo.format = format;
1414 streamInfo.dataSpace = dataSpace;
1415 streamInfo.consumerUsage = consumerUsage;
1416 return binder::Status::ok();
1417 }
1418 if (width != streamInfo.width) {
1419 String8 msg = String8::format("Camera %s:Surface width doesn't match: %d vs %d",
1420 mCameraIdStr.string(), width, streamInfo.width);
1421 ALOGE("%s: %s", __FUNCTION__, msg.string());
1422 return STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT, msg.string());
1423 }
1424 if (height != streamInfo.height) {
1425 String8 msg = String8::format("Camera %s:Surface height doesn't match: %d vs %d",
1426 mCameraIdStr.string(), height, streamInfo.height);
1427 ALOGE("%s: %s", __FUNCTION__, msg.string());
1428 return STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT, msg.string());
1429 }
1430 if (format != streamInfo.format) {
1431 String8 msg = String8::format("Camera %s:Surface format doesn't match: %d vs %d",
1432 mCameraIdStr.string(), format, streamInfo.format);
1433 ALOGE("%s: %s", __FUNCTION__, msg.string());
1434 return STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT, msg.string());
1435 }
1436 if (format != HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED) {
1437 if (dataSpace != streamInfo.dataSpace) {
1438 String8 msg = String8::format("Camera %s:Surface dataSpace doesn't match: %d vs %d",
1439 mCameraIdStr.string(), dataSpace, streamInfo.dataSpace);
1440 ALOGE("%s: %s", __FUNCTION__, msg.string());
1441 return STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT, msg.string());
1442 }
1443 //At the native side, there isn't a way to check whether 2 surfaces come from the same
1444 //surface class type. Use usage flag to approximate the comparison.
1445 if (consumerUsage != streamInfo.consumerUsage) {
1446 String8 msg = String8::format(
1447 "Camera %s:Surface usage flag doesn't match %" PRIu64 " vs %" PRIu64 "",
1448 mCameraIdStr.string(), consumerUsage, streamInfo.consumerUsage);
1449 ALOGE("%s: %s", __FUNCTION__, msg.string());
1450 return STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT, msg.string());
1451 }
1452 }
1453 return binder::Status::ok();
1454 }
1455
roundBufferDimensionNearest(int32_t width,int32_t height,int32_t format,android_dataspace dataSpace,const CameraMetadata & info,int32_t * outWidth,int32_t * outHeight)1456 bool CameraDeviceClient::roundBufferDimensionNearest(int32_t width, int32_t height,
1457 int32_t format, android_dataspace dataSpace, const CameraMetadata& info,
1458 /*out*/int32_t* outWidth, /*out*/int32_t* outHeight) {
1459
1460 camera_metadata_ro_entry streamConfigs =
1461 (dataSpace == HAL_DATASPACE_DEPTH) ?
1462 info.find(ANDROID_DEPTH_AVAILABLE_DEPTH_STREAM_CONFIGURATIONS) :
1463 (dataSpace == static_cast<android_dataspace>(HAL_DATASPACE_HEIF)) ?
1464 info.find(ANDROID_HEIC_AVAILABLE_HEIC_STREAM_CONFIGURATIONS) :
1465 info.find(ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS);
1466
1467 int32_t bestWidth = -1;
1468 int32_t bestHeight = -1;
1469
1470 // Iterate through listed stream configurations and find the one with the smallest euclidean
1471 // distance from the given dimensions for the given format.
1472 for (size_t i = 0; i < streamConfigs.count; i += 4) {
1473 int32_t fmt = streamConfigs.data.i32[i];
1474 int32_t w = streamConfigs.data.i32[i + 1];
1475 int32_t h = streamConfigs.data.i32[i + 2];
1476
1477 // Ignore input/output type for now
1478 if (fmt == format) {
1479 if (w == width && h == height) {
1480 bestWidth = width;
1481 bestHeight = height;
1482 break;
1483 } else if (w <= ROUNDING_WIDTH_CAP && (bestWidth == -1 ||
1484 CameraDeviceClient::euclidDistSquare(w, h, width, height) <
1485 CameraDeviceClient::euclidDistSquare(bestWidth, bestHeight, width, height))) {
1486 bestWidth = w;
1487 bestHeight = h;
1488 }
1489 }
1490 }
1491
1492 if (bestWidth == -1) {
1493 // Return false if no configurations for this format were listed
1494 return false;
1495 }
1496
1497 // Set the outputs to the closet width/height
1498 if (outWidth != NULL) {
1499 *outWidth = bestWidth;
1500 }
1501 if (outHeight != NULL) {
1502 *outHeight = bestHeight;
1503 }
1504
1505 // Return true if at least one configuration for this format was listed
1506 return true;
1507 }
1508
euclidDistSquare(int32_t x0,int32_t y0,int32_t x1,int32_t y1)1509 int64_t CameraDeviceClient::euclidDistSquare(int32_t x0, int32_t y0, int32_t x1, int32_t y1) {
1510 int64_t d0 = x0 - x1;
1511 int64_t d1 = y0 - y1;
1512 return d0 * d0 + d1 * d1;
1513 }
1514
1515 // Create a request object from a template.
createDefaultRequest(int templateId,hardware::camera2::impl::CameraMetadataNative * request)1516 binder::Status CameraDeviceClient::createDefaultRequest(int templateId,
1517 /*out*/
1518 hardware::camera2::impl::CameraMetadataNative* request)
1519 {
1520 ATRACE_CALL();
1521 ALOGV("%s (templateId = 0x%x)", __FUNCTION__, templateId);
1522
1523 binder::Status res;
1524 if (!(res = checkPidStatus(__FUNCTION__)).isOk()) return res;
1525
1526 Mutex::Autolock icl(mBinderSerializationLock);
1527
1528 if (!mDevice.get()) {
1529 return STATUS_ERROR(CameraService::ERROR_DISCONNECTED, "Camera device no longer alive");
1530 }
1531
1532 CameraMetadata metadata;
1533 status_t err;
1534 if ( (err = mDevice->createDefaultRequest(templateId, &metadata) ) == OK &&
1535 request != NULL) {
1536
1537 request->swap(metadata);
1538 } else if (err == BAD_VALUE) {
1539 res = STATUS_ERROR_FMT(CameraService::ERROR_ILLEGAL_ARGUMENT,
1540 "Camera %s: Template ID %d is invalid or not supported: %s (%d)",
1541 mCameraIdStr.string(), templateId, strerror(-err), err);
1542
1543 } else {
1544 res = STATUS_ERROR_FMT(CameraService::ERROR_INVALID_OPERATION,
1545 "Camera %s: Error creating default request for template %d: %s (%d)",
1546 mCameraIdStr.string(), templateId, strerror(-err), err);
1547 }
1548 return res;
1549 }
1550
getCameraInfo(hardware::camera2::impl::CameraMetadataNative * info)1551 binder::Status CameraDeviceClient::getCameraInfo(
1552 /*out*/
1553 hardware::camera2::impl::CameraMetadataNative* info)
1554 {
1555 ATRACE_CALL();
1556 ALOGV("%s", __FUNCTION__);
1557
1558 binder::Status res;
1559
1560 if (!(res = checkPidStatus(__FUNCTION__)).isOk()) return res;
1561
1562 Mutex::Autolock icl(mBinderSerializationLock);
1563
1564 if (!mDevice.get()) {
1565 return STATUS_ERROR(CameraService::ERROR_DISCONNECTED, "Camera device no longer alive");
1566 }
1567
1568 if (info != NULL) {
1569 *info = mDevice->info(); // static camera metadata
1570 // TODO: merge with device-specific camera metadata
1571 }
1572
1573 return res;
1574 }
1575
waitUntilIdle()1576 binder::Status CameraDeviceClient::waitUntilIdle()
1577 {
1578 ATRACE_CALL();
1579 ALOGV("%s", __FUNCTION__);
1580
1581 binder::Status res;
1582 if (!(res = checkPidStatus(__FUNCTION__)).isOk()) return res;
1583
1584 Mutex::Autolock icl(mBinderSerializationLock);
1585
1586 if (!mDevice.get()) {
1587 return STATUS_ERROR(CameraService::ERROR_DISCONNECTED, "Camera device no longer alive");
1588 }
1589
1590 // FIXME: Also need check repeating burst.
1591 Mutex::Autolock idLock(mStreamingRequestIdLock);
1592 if (mStreamingRequestId != REQUEST_ID_NONE) {
1593 String8 msg = String8::format(
1594 "Camera %s: Try to waitUntilIdle when there are active streaming requests",
1595 mCameraIdStr.string());
1596 ALOGE("%s: %s", __FUNCTION__, msg.string());
1597 return STATUS_ERROR(CameraService::ERROR_INVALID_OPERATION, msg.string());
1598 }
1599 status_t err = mDevice->waitUntilDrained();
1600 if (err != OK) {
1601 res = STATUS_ERROR_FMT(CameraService::ERROR_INVALID_OPERATION,
1602 "Camera %s: Error waiting to drain: %s (%d)",
1603 mCameraIdStr.string(), strerror(-err), err);
1604 }
1605 ALOGV("%s Done", __FUNCTION__);
1606 return res;
1607 }
1608
flush(int64_t * lastFrameNumber)1609 binder::Status CameraDeviceClient::flush(
1610 /*out*/
1611 int64_t* lastFrameNumber) {
1612 ATRACE_CALL();
1613 ALOGV("%s", __FUNCTION__);
1614
1615 binder::Status res;
1616 if (!(res = checkPidStatus(__FUNCTION__)).isOk()) return res;
1617
1618 Mutex::Autolock icl(mBinderSerializationLock);
1619
1620 if (!mDevice.get()) {
1621 return STATUS_ERROR(CameraService::ERROR_DISCONNECTED, "Camera device no longer alive");
1622 }
1623
1624 Mutex::Autolock idLock(mStreamingRequestIdLock);
1625 mStreamingRequestId = REQUEST_ID_NONE;
1626 status_t err = mDevice->flush(lastFrameNumber);
1627 if (err != OK) {
1628 res = STATUS_ERROR_FMT(CameraService::ERROR_INVALID_OPERATION,
1629 "Camera %s: Error flushing device: %s (%d)", mCameraIdStr.string(), strerror(-err), err);
1630 }
1631 return res;
1632 }
1633
prepare(int streamId)1634 binder::Status CameraDeviceClient::prepare(int streamId) {
1635 ATRACE_CALL();
1636 ALOGV("%s", __FUNCTION__);
1637
1638 binder::Status res;
1639 if (!(res = checkPidStatus(__FUNCTION__)).isOk()) return res;
1640
1641 Mutex::Autolock icl(mBinderSerializationLock);
1642
1643 // Guard against trying to prepare non-created streams
1644 ssize_t index = NAME_NOT_FOUND;
1645 for (size_t i = 0; i < mStreamMap.size(); ++i) {
1646 if (streamId == mStreamMap.valueAt(i).streamId()) {
1647 index = i;
1648 break;
1649 }
1650 }
1651
1652 if (index == NAME_NOT_FOUND) {
1653 String8 msg = String8::format("Camera %s: Invalid stream ID (%d) specified, no stream "
1654 "with that ID exists", mCameraIdStr.string(), streamId);
1655 ALOGW("%s: %s", __FUNCTION__, msg.string());
1656 return STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT, msg.string());
1657 }
1658
1659 // Also returns BAD_VALUE if stream ID was not valid, or stream already
1660 // has been used
1661 status_t err = mDevice->prepare(streamId);
1662 if (err == BAD_VALUE) {
1663 res = STATUS_ERROR_FMT(CameraService::ERROR_ILLEGAL_ARGUMENT,
1664 "Camera %s: Stream %d has already been used, and cannot be prepared",
1665 mCameraIdStr.string(), streamId);
1666 } else if (err != OK) {
1667 res = STATUS_ERROR_FMT(CameraService::ERROR_INVALID_OPERATION,
1668 "Camera %s: Error preparing stream %d: %s (%d)", mCameraIdStr.string(), streamId,
1669 strerror(-err), err);
1670 }
1671 return res;
1672 }
1673
prepare2(int maxCount,int streamId)1674 binder::Status CameraDeviceClient::prepare2(int maxCount, int streamId) {
1675 ATRACE_CALL();
1676 ALOGV("%s", __FUNCTION__);
1677
1678 binder::Status res;
1679 if (!(res = checkPidStatus(__FUNCTION__)).isOk()) return res;
1680
1681 Mutex::Autolock icl(mBinderSerializationLock);
1682
1683 // Guard against trying to prepare non-created streams
1684 ssize_t index = NAME_NOT_FOUND;
1685 for (size_t i = 0; i < mStreamMap.size(); ++i) {
1686 if (streamId == mStreamMap.valueAt(i).streamId()) {
1687 index = i;
1688 break;
1689 }
1690 }
1691
1692 if (index == NAME_NOT_FOUND) {
1693 String8 msg = String8::format("Camera %s: Invalid stream ID (%d) specified, no stream "
1694 "with that ID exists", mCameraIdStr.string(), streamId);
1695 ALOGW("%s: %s", __FUNCTION__, msg.string());
1696 return STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT, msg.string());
1697 }
1698
1699 if (maxCount <= 0) {
1700 String8 msg = String8::format("Camera %s: maxCount (%d) must be greater than 0",
1701 mCameraIdStr.string(), maxCount);
1702 ALOGE("%s: %s", __FUNCTION__, msg.string());
1703 return STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT, msg.string());
1704 }
1705
1706 // Also returns BAD_VALUE if stream ID was not valid, or stream already
1707 // has been used
1708 status_t err = mDevice->prepare(maxCount, streamId);
1709 if (err == BAD_VALUE) {
1710 res = STATUS_ERROR_FMT(CameraService::ERROR_ILLEGAL_ARGUMENT,
1711 "Camera %s: Stream %d has already been used, and cannot be prepared",
1712 mCameraIdStr.string(), streamId);
1713 } else if (err != OK) {
1714 res = STATUS_ERROR_FMT(CameraService::ERROR_INVALID_OPERATION,
1715 "Camera %s: Error preparing stream %d: %s (%d)", mCameraIdStr.string(), streamId,
1716 strerror(-err), err);
1717 }
1718
1719 return res;
1720 }
1721
tearDown(int streamId)1722 binder::Status CameraDeviceClient::tearDown(int streamId) {
1723 ATRACE_CALL();
1724 ALOGV("%s", __FUNCTION__);
1725
1726 binder::Status res;
1727 if (!(res = checkPidStatus(__FUNCTION__)).isOk()) return res;
1728
1729 Mutex::Autolock icl(mBinderSerializationLock);
1730
1731 // Guard against trying to prepare non-created streams
1732 ssize_t index = NAME_NOT_FOUND;
1733 for (size_t i = 0; i < mStreamMap.size(); ++i) {
1734 if (streamId == mStreamMap.valueAt(i).streamId()) {
1735 index = i;
1736 break;
1737 }
1738 }
1739
1740 if (index == NAME_NOT_FOUND) {
1741 String8 msg = String8::format("Camera %s: Invalid stream ID (%d) specified, no stream "
1742 "with that ID exists", mCameraIdStr.string(), streamId);
1743 ALOGW("%s: %s", __FUNCTION__, msg.string());
1744 return STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT, msg.string());
1745 }
1746
1747 // Also returns BAD_VALUE if stream ID was not valid or if the stream is in
1748 // use
1749 status_t err = mDevice->tearDown(streamId);
1750 if (err == BAD_VALUE) {
1751 res = STATUS_ERROR_FMT(CameraService::ERROR_ILLEGAL_ARGUMENT,
1752 "Camera %s: Stream %d is still in use, cannot be torn down",
1753 mCameraIdStr.string(), streamId);
1754 } else if (err != OK) {
1755 res = STATUS_ERROR_FMT(CameraService::ERROR_INVALID_OPERATION,
1756 "Camera %s: Error tearing down stream %d: %s (%d)", mCameraIdStr.string(), streamId,
1757 strerror(-err), err);
1758 }
1759
1760 return res;
1761 }
1762
finalizeOutputConfigurations(int32_t streamId,const hardware::camera2::params::OutputConfiguration & outputConfiguration)1763 binder::Status CameraDeviceClient::finalizeOutputConfigurations(int32_t streamId,
1764 const hardware::camera2::params::OutputConfiguration &outputConfiguration) {
1765 ATRACE_CALL();
1766
1767 binder::Status res;
1768 if (!(res = checkPidStatus(__FUNCTION__)).isOk()) return res;
1769
1770 Mutex::Autolock icl(mBinderSerializationLock);
1771
1772 const std::vector<sp<IGraphicBufferProducer> >& bufferProducers =
1773 outputConfiguration.getGraphicBufferProducers();
1774 String8 physicalId(outputConfiguration.getPhysicalCameraId());
1775
1776 if (bufferProducers.size() == 0) {
1777 ALOGE("%s: bufferProducers must not be empty", __FUNCTION__);
1778 return STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT, "Target Surface is invalid");
1779 }
1780
1781 // streamId should be in mStreamMap if this stream already has a surface attached
1782 // to it. Otherwise, it should be in mDeferredStreams.
1783 bool streamIdConfigured = false;
1784 ssize_t deferredStreamIndex = NAME_NOT_FOUND;
1785 for (size_t i = 0; i < mStreamMap.size(); i++) {
1786 if (mStreamMap.valueAt(i).streamId() == streamId) {
1787 streamIdConfigured = true;
1788 break;
1789 }
1790 }
1791 for (size_t i = 0; i < mDeferredStreams.size(); i++) {
1792 if (streamId == mDeferredStreams[i]) {
1793 deferredStreamIndex = i;
1794 break;
1795 }
1796
1797 }
1798 if (deferredStreamIndex == NAME_NOT_FOUND && !streamIdConfigured) {
1799 String8 msg = String8::format("Camera %s: deferred surface is set to a unknown stream"
1800 "(ID %d)", mCameraIdStr.string(), streamId);
1801 ALOGW("%s: %s", __FUNCTION__, msg.string());
1802 return STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT, msg.string());
1803 }
1804
1805 if (mStreamInfoMap[streamId].finalized) {
1806 String8 msg = String8::format("Camera %s: finalizeOutputConfigurations has been called"
1807 " on stream ID %d", mCameraIdStr.string(), streamId);
1808 ALOGW("%s: %s", __FUNCTION__, msg.string());
1809 return STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT, msg.string());
1810 }
1811
1812 if (!mDevice.get()) {
1813 return STATUS_ERROR(CameraService::ERROR_DISCONNECTED, "Camera device no longer alive");
1814 }
1815
1816 std::vector<sp<Surface>> consumerSurfaces;
1817 for (auto& bufferProducer : bufferProducers) {
1818 // Don't create multiple streams for the same target surface
1819 ssize_t index = mStreamMap.indexOfKey(IInterface::asBinder(bufferProducer));
1820 if (index != NAME_NOT_FOUND) {
1821 ALOGV("Camera %s: Surface already has a stream created "
1822 " for it (ID %zd)", mCameraIdStr.string(), index);
1823 continue;
1824 }
1825
1826 sp<Surface> surface;
1827 res = createSurfaceFromGbp(mStreamInfoMap[streamId], true /*isStreamInfoValid*/,
1828 surface, bufferProducer, physicalId);
1829
1830 if (!res.isOk())
1831 return res;
1832
1833 consumerSurfaces.push_back(surface);
1834 }
1835
1836 // Gracefully handle case where finalizeOutputConfigurations is called
1837 // without any new surface.
1838 if (consumerSurfaces.size() == 0) {
1839 mStreamInfoMap[streamId].finalized = true;
1840 return res;
1841 }
1842
1843 // Finish the deferred stream configuration with the surface.
1844 status_t err;
1845 std::vector<int> consumerSurfaceIds;
1846 err = mDevice->setConsumerSurfaces(streamId, consumerSurfaces, &consumerSurfaceIds);
1847 if (err == OK) {
1848 for (size_t i = 0; i < consumerSurfaces.size(); i++) {
1849 sp<IBinder> binder = IInterface::asBinder(
1850 consumerSurfaces[i]->getIGraphicBufferProducer());
1851 ALOGV("%s: mStreamMap add binder %p streamId %d, surfaceId %d", __FUNCTION__,
1852 binder.get(), streamId, consumerSurfaceIds[i]);
1853 mStreamMap.add(binder, StreamSurfaceId(streamId, consumerSurfaceIds[i]));
1854 }
1855 if (deferredStreamIndex != NAME_NOT_FOUND) {
1856 mDeferredStreams.removeItemsAt(deferredStreamIndex);
1857 }
1858 mStreamInfoMap[streamId].finalized = true;
1859 mConfiguredOutputs.replaceValueFor(streamId, outputConfiguration);
1860 } else if (err == NO_INIT) {
1861 res = STATUS_ERROR_FMT(CameraService::ERROR_ILLEGAL_ARGUMENT,
1862 "Camera %s: Deferred surface is invalid: %s (%d)",
1863 mCameraIdStr.string(), strerror(-err), err);
1864 } else {
1865 res = STATUS_ERROR_FMT(CameraService::ERROR_INVALID_OPERATION,
1866 "Camera %s: Error setting output stream deferred surface: %s (%d)",
1867 mCameraIdStr.string(), strerror(-err), err);
1868 }
1869
1870 return res;
1871 }
1872
dump(int fd,const Vector<String16> & args)1873 status_t CameraDeviceClient::dump(int fd, const Vector<String16>& args) {
1874 return BasicClient::dump(fd, args);
1875 }
1876
dumpClient(int fd,const Vector<String16> & args)1877 status_t CameraDeviceClient::dumpClient(int fd, const Vector<String16>& args) {
1878 dprintf(fd, " CameraDeviceClient[%s] (%p) dump:\n",
1879 mCameraIdStr.string(),
1880 (getRemoteCallback() != NULL ?
1881 IInterface::asBinder(getRemoteCallback()).get() : NULL) );
1882 dprintf(fd, " Current client UID %u\n", mClientUid);
1883
1884 dprintf(fd, " State:\n");
1885 dprintf(fd, " Request ID counter: %d\n", mRequestIdCounter);
1886 if (mInputStream.configured) {
1887 dprintf(fd, " Current input stream ID: %d\n", mInputStream.id);
1888 } else {
1889 dprintf(fd, " No input stream configured.\n");
1890 }
1891 if (!mStreamMap.isEmpty()) {
1892 dprintf(fd, " Current output stream/surface IDs:\n");
1893 for (size_t i = 0; i < mStreamMap.size(); i++) {
1894 dprintf(fd, " Stream %d Surface %d\n",
1895 mStreamMap.valueAt(i).streamId(),
1896 mStreamMap.valueAt(i).surfaceId());
1897 }
1898 } else if (!mDeferredStreams.isEmpty()) {
1899 dprintf(fd, " Current deferred surface output stream IDs:\n");
1900 for (auto& streamId : mDeferredStreams) {
1901 dprintf(fd, " Stream %d\n", streamId);
1902 }
1903 } else {
1904 dprintf(fd, " No output streams configured.\n");
1905 }
1906 // TODO: print dynamic/request section from most recent requests
1907 mFrameProcessor->dump(fd, args);
1908
1909 return dumpDevice(fd, args);
1910 }
1911
notifyError(int32_t errorCode,const CaptureResultExtras & resultExtras)1912 void CameraDeviceClient::notifyError(int32_t errorCode,
1913 const CaptureResultExtras& resultExtras) {
1914 // Thread safe. Don't bother locking.
1915 sp<hardware::camera2::ICameraDeviceCallbacks> remoteCb = getRemoteCallback();
1916
1917 // Composites can have multiple internal streams. Error notifications coming from such internal
1918 // streams may need to remain within camera service.
1919 bool skipClientNotification = false;
1920 for (size_t i = 0; i < mCompositeStreamMap.size(); i++) {
1921 skipClientNotification |= mCompositeStreamMap.valueAt(i)->onError(errorCode, resultExtras);
1922 }
1923
1924 if ((remoteCb != 0) && (!skipClientNotification)) {
1925 remoteCb->onDeviceError(errorCode, resultExtras);
1926 }
1927 }
1928
notifyRepeatingRequestError(long lastFrameNumber)1929 void CameraDeviceClient::notifyRepeatingRequestError(long lastFrameNumber) {
1930 sp<hardware::camera2::ICameraDeviceCallbacks> remoteCb = getRemoteCallback();
1931
1932 if (remoteCb != 0) {
1933 remoteCb->onRepeatingRequestError(lastFrameNumber, mStreamingRequestId);
1934 }
1935
1936 Mutex::Autolock idLock(mStreamingRequestIdLock);
1937 mStreamingRequestId = REQUEST_ID_NONE;
1938 }
1939
notifyIdle()1940 void CameraDeviceClient::notifyIdle() {
1941 // Thread safe. Don't bother locking.
1942 sp<hardware::camera2::ICameraDeviceCallbacks> remoteCb = getRemoteCallback();
1943
1944 if (remoteCb != 0) {
1945 remoteCb->onDeviceIdle();
1946 }
1947 Camera2ClientBase::notifyIdle();
1948 }
1949
notifyShutter(const CaptureResultExtras & resultExtras,nsecs_t timestamp)1950 void CameraDeviceClient::notifyShutter(const CaptureResultExtras& resultExtras,
1951 nsecs_t timestamp) {
1952 // Thread safe. Don't bother locking.
1953 sp<hardware::camera2::ICameraDeviceCallbacks> remoteCb = getRemoteCallback();
1954 if (remoteCb != 0) {
1955 remoteCb->onCaptureStarted(resultExtras, timestamp);
1956 }
1957 Camera2ClientBase::notifyShutter(resultExtras, timestamp);
1958
1959 for (size_t i = 0; i < mCompositeStreamMap.size(); i++) {
1960 mCompositeStreamMap.valueAt(i)->onShutter(resultExtras, timestamp);
1961 }
1962 }
1963
notifyPrepared(int streamId)1964 void CameraDeviceClient::notifyPrepared(int streamId) {
1965 // Thread safe. Don't bother locking.
1966 sp<hardware::camera2::ICameraDeviceCallbacks> remoteCb = getRemoteCallback();
1967 if (remoteCb != 0) {
1968 remoteCb->onPrepared(streamId);
1969 }
1970 }
1971
notifyRequestQueueEmpty()1972 void CameraDeviceClient::notifyRequestQueueEmpty() {
1973 // Thread safe. Don't bother locking.
1974 sp<hardware::camera2::ICameraDeviceCallbacks> remoteCb = getRemoteCallback();
1975 if (remoteCb != 0) {
1976 remoteCb->onRequestQueueEmpty();
1977 }
1978 }
1979
detachDevice()1980 void CameraDeviceClient::detachDevice() {
1981 if (mDevice == 0) return;
1982
1983 ALOGV("Camera %s: Stopping processors", mCameraIdStr.string());
1984
1985 mFrameProcessor->removeListener(FRAME_PROCESSOR_LISTENER_MIN_ID,
1986 FRAME_PROCESSOR_LISTENER_MAX_ID,
1987 /*listener*/this);
1988 mFrameProcessor->requestExit();
1989 ALOGV("Camera %s: Waiting for threads", mCameraIdStr.string());
1990 mFrameProcessor->join();
1991 ALOGV("Camera %s: Disconnecting device", mCameraIdStr.string());
1992
1993 // WORKAROUND: HAL refuses to disconnect while there's streams in flight
1994 {
1995 int64_t lastFrameNumber;
1996 status_t code;
1997 if ((code = mDevice->flush(&lastFrameNumber)) != OK) {
1998 ALOGE("%s: flush failed with code 0x%x", __FUNCTION__, code);
1999 }
2000
2001 if ((code = mDevice->waitUntilDrained()) != OK) {
2002 ALOGE("%s: waitUntilDrained failed with code 0x%x", __FUNCTION__,
2003 code);
2004 }
2005 }
2006
2007 Camera2ClientBase::detachDevice();
2008 }
2009
2010 /** Device-related methods */
onResultAvailable(const CaptureResult & result)2011 void CameraDeviceClient::onResultAvailable(const CaptureResult& result) {
2012 ATRACE_CALL();
2013 ALOGV("%s", __FUNCTION__);
2014
2015 // Thread-safe. No lock necessary.
2016 sp<hardware::camera2::ICameraDeviceCallbacks> remoteCb = mRemoteCallback;
2017 if (remoteCb != NULL) {
2018 remoteCb->onResultReceived(result.mMetadata, result.mResultExtras,
2019 result.mPhysicalMetadatas);
2020 }
2021
2022 for (size_t i = 0; i < mCompositeStreamMap.size(); i++) {
2023 mCompositeStreamMap.valueAt(i)->onResultAvailable(result);
2024 }
2025 }
2026
checkPidStatus(const char * checkLocation)2027 binder::Status CameraDeviceClient::checkPidStatus(const char* checkLocation) {
2028 if (mDisconnected) {
2029 return STATUS_ERROR(CameraService::ERROR_DISCONNECTED,
2030 "The camera device has been disconnected");
2031 }
2032 status_t res = checkPid(checkLocation);
2033 return (res == OK) ? binder::Status::ok() :
2034 STATUS_ERROR(CameraService::ERROR_PERMISSION_DENIED,
2035 "Attempt to use camera from a different process than original client");
2036 }
2037
2038 // TODO: move to Camera2ClientBase
enforceRequestPermissions(CameraMetadata & metadata)2039 bool CameraDeviceClient::enforceRequestPermissions(CameraMetadata& metadata) {
2040
2041 const int pid = CameraThreadState::getCallingPid();
2042 const int selfPid = getpid();
2043 camera_metadata_entry_t entry;
2044
2045 /**
2046 * Mixin default important security values
2047 * - android.led.transmit = defaulted ON
2048 */
2049 CameraMetadata staticInfo = mDevice->info();
2050 entry = staticInfo.find(ANDROID_LED_AVAILABLE_LEDS);
2051 for(size_t i = 0; i < entry.count; ++i) {
2052 uint8_t led = entry.data.u8[i];
2053
2054 switch(led) {
2055 case ANDROID_LED_AVAILABLE_LEDS_TRANSMIT: {
2056 uint8_t transmitDefault = ANDROID_LED_TRANSMIT_ON;
2057 if (!metadata.exists(ANDROID_LED_TRANSMIT)) {
2058 metadata.update(ANDROID_LED_TRANSMIT,
2059 &transmitDefault, 1);
2060 }
2061 break;
2062 }
2063 }
2064 }
2065
2066 // We can do anything!
2067 if (pid == selfPid) {
2068 return true;
2069 }
2070
2071 /**
2072 * Permission check special fields in the request
2073 * - android.led.transmit = android.permission.CAMERA_DISABLE_TRANSMIT
2074 */
2075 entry = metadata.find(ANDROID_LED_TRANSMIT);
2076 if (entry.count > 0 && entry.data.u8[0] != ANDROID_LED_TRANSMIT_ON) {
2077 String16 permissionString =
2078 String16("android.permission.CAMERA_DISABLE_TRANSMIT_LED");
2079 if (!checkCallingPermission(permissionString)) {
2080 const int uid = CameraThreadState::getCallingUid();
2081 ALOGE("Permission Denial: "
2082 "can't disable transmit LED pid=%d, uid=%d", pid, uid);
2083 return false;
2084 }
2085 }
2086
2087 return true;
2088 }
2089
getRotationTransformLocked(int32_t * transform)2090 status_t CameraDeviceClient::getRotationTransformLocked(int32_t* transform) {
2091 ALOGV("%s: begin", __FUNCTION__);
2092
2093 const CameraMetadata& staticInfo = mDevice->info();
2094 return CameraUtils::getRotationTransform(staticInfo, transform);
2095 }
2096
2097 } // namespace android
2098