| /* |
| * Copyright (C) 2022 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #define LOG_TAG "ExtCamDev" |
| // #define LOG_NDEBUG 0 |
| #include <log/log.h> |
| |
| #include "ExternalCameraDevice.h" |
| |
| #include <aidl/android/hardware/camera/common/Status.h> |
| #include <convert.h> |
| #include <linux/videodev2.h> |
| #include <regex> |
| #include <set> |
| |
| namespace android { |
| namespace hardware { |
| namespace camera { |
| namespace device { |
| namespace implementation { |
| |
| using ::aidl::android::hardware::camera::common::Status; |
| |
| namespace { |
| // Only support MJPEG for now as it seems to be the one supports higher fps |
| // Other formats to consider in the future: |
| // * V4L2_PIX_FMT_YVU420 (== YV12) |
| // * V4L2_PIX_FMT_YVYU (YVYU: can be converted to YV12 or other YUV420_888 formats) |
| const std::array<uint32_t, /*size*/ 2> kSupportedFourCCs{ |
| {V4L2_PIX_FMT_MJPEG, V4L2_PIX_FMT_Z16}}; // double braces required in C++11 |
| |
| constexpr int MAX_RETRY = 5; // Allow retry v4l2 open failures a few times. |
| constexpr int OPEN_RETRY_SLEEP_US = 100'000; // 100ms * MAX_RETRY = 0.5 seconds |
| |
| const std::regex kDevicePathRE("/dev/video([0-9]+)"); |
| } // namespace |
| |
| std::string ExternalCameraDevice::kDeviceVersion = "1.1"; |
| |
| ExternalCameraDevice::ExternalCameraDevice(const std::string& devicePath, |
| const ExternalCameraConfig& config) |
| : mCameraId("-1"), mDevicePath(devicePath), mCfg(config) { |
| std::smatch sm; |
| if (std::regex_match(mDevicePath, sm, kDevicePathRE)) { |
| mCameraId = std::to_string(mCfg.cameraIdOffset + std::stoi(sm[1])); |
| } else { |
| ALOGE("%s: device path match failed for %s", __FUNCTION__, mDevicePath.c_str()); |
| } |
| } |
| |
| ExternalCameraDevice::~ExternalCameraDevice() {} |
| |
| ndk::ScopedAStatus ExternalCameraDevice::getCameraCharacteristics(CameraMetadata* _aidl_return) { |
| Mutex::Autolock _l(mLock); |
| if (_aidl_return == nullptr) { |
| return fromStatus(Status::ILLEGAL_ARGUMENT); |
| } |
| |
| if (isInitFailedLocked()) { |
| return fromStatus(Status::INTERNAL_ERROR); |
| } |
| |
| const camera_metadata_t* rawMetadata = mCameraCharacteristics.getAndLock(); |
| convertToAidl(rawMetadata, _aidl_return); |
| mCameraCharacteristics.unlock(rawMetadata); |
| return fromStatus(Status::OK); |
| } |
| |
| ndk::ScopedAStatus ExternalCameraDevice::getPhysicalCameraCharacteristics(const std::string&, |
| CameraMetadata*) { |
| ALOGE("%s: Physical camera functions are not supported for external cameras.", __FUNCTION__); |
| return fromStatus(Status::ILLEGAL_ARGUMENT); |
| } |
| |
| ndk::ScopedAStatus ExternalCameraDevice::getResourceCost(CameraResourceCost* _aidl_return) { |
| if (_aidl_return == nullptr) { |
| return fromStatus(Status::ILLEGAL_ARGUMENT); |
| } |
| |
| _aidl_return->resourceCost = 100; |
| return fromStatus(Status::OK); |
| } |
| |
| ndk::ScopedAStatus ExternalCameraDevice::isStreamCombinationSupported( |
| const StreamConfiguration& in_streams, bool* _aidl_return) { |
| if (isInitFailed()) { |
| ALOGE("%s: camera %s. camera init failed!", __FUNCTION__, mCameraId.c_str()); |
| return fromStatus(Status::INTERNAL_ERROR); |
| } |
| Status s = ExternalCameraDeviceSession::isStreamCombinationSupported(in_streams, |
| mSupportedFormats, mCfg); |
| *_aidl_return = s == Status::OK; |
| return fromStatus(Status::OK); |
| } |
| |
| ndk::ScopedAStatus ExternalCameraDevice::open( |
| const std::shared_ptr<ICameraDeviceCallback>& in_callback, |
| std::shared_ptr<ICameraDeviceSession>* _aidl_return) { |
| if (_aidl_return == nullptr) { |
| ALOGE("%s: cannot open camera %s. return session ptr is null!", __FUNCTION__, |
| mCameraId.c_str()); |
| return fromStatus(Status::ILLEGAL_ARGUMENT); |
| } |
| |
| Mutex::Autolock _l(mLock); |
| if (isInitFailedLocked()) { |
| ALOGE("%s: cannot open camera %s. camera init failed!", __FUNCTION__, mCameraId.c_str()); |
| return fromStatus(Status::INTERNAL_ERROR); |
| } |
| |
| std::shared_ptr<ExternalCameraDeviceSession> session; |
| ALOGV("%s: Initializing device for camera %s", __FUNCTION__, mCameraId.c_str()); |
| session = mSession.lock(); |
| |
| if (session != nullptr && !session->isClosed()) { |
| ALOGE("%s: cannot open an already opened camera!", __FUNCTION__); |
| return fromStatus(Status::CAMERA_IN_USE); |
| } |
| |
| int numAttempt = 0; |
| unique_fd fd(::open(mDevicePath.c_str(), O_RDWR)); |
| while (fd.get() < 0 && numAttempt < MAX_RETRY) { |
| // Previous retry attempts failed. Retry opening the device at most MAX_RETRY times |
| ALOGW("%s: v4l2 device %s open failed, wait 33ms and try again", __FUNCTION__, |
| mDevicePath.c_str()); |
| usleep(OPEN_RETRY_SLEEP_US); // sleep and try again |
| fd.reset(::open(mDevicePath.c_str(), O_RDWR)); |
| numAttempt++; |
| } |
| |
| if (fd.get() < 0) { |
| ALOGE("%s: v4l2 device open %s failed: %s", __FUNCTION__, mDevicePath.c_str(), |
| strerror(errno)); |
| return fromStatus(Status::INTERNAL_ERROR); |
| } |
| |
| session = createSession(in_callback, mCfg, mSupportedFormats, mCroppingType, |
| mCameraCharacteristics, mCameraId, std::move(fd)); |
| if (session == nullptr) { |
| ALOGE("%s: camera device session allocation failed", __FUNCTION__); |
| return fromStatus(Status::INTERNAL_ERROR); |
| } |
| |
| if (session->isInitFailed()) { |
| ALOGE("%s: camera device session init failed", __FUNCTION__); |
| return fromStatus(Status::INTERNAL_ERROR); |
| } |
| |
| mSession = session; |
| *_aidl_return = session; |
| return fromStatus(Status::OK); |
| } |
| |
| ndk::ScopedAStatus ExternalCameraDevice::openInjectionSession( |
| const std::shared_ptr<ICameraDeviceCallback>&, std::shared_ptr<ICameraInjectionSession>*) { |
| return fromStatus(Status::OPERATION_NOT_SUPPORTED); |
| } |
| |
| ndk::ScopedAStatus ExternalCameraDevice::setTorchMode(bool) { |
| return fromStatus(Status::OPERATION_NOT_SUPPORTED); |
| } |
| |
| ndk::ScopedAStatus ExternalCameraDevice::turnOnTorchWithStrengthLevel(int32_t) { |
| return fromStatus(Status::OPERATION_NOT_SUPPORTED); |
| } |
| |
| ndk::ScopedAStatus ExternalCameraDevice::getTorchStrengthLevel(int32_t*) { |
| return fromStatus(Status::OPERATION_NOT_SUPPORTED); |
| } |
| |
| std::shared_ptr<ExternalCameraDeviceSession> ExternalCameraDevice::createSession( |
| const std::shared_ptr<ICameraDeviceCallback>& cb, const ExternalCameraConfig& cfg, |
| const std::vector<SupportedV4L2Format>& sortedFormats, const CroppingType& croppingType, |
| const common::V1_0::helper::CameraMetadata& chars, const std::string& cameraId, |
| unique_fd v4l2Fd) { |
| return ndk::SharedRefBase::make<ExternalCameraDeviceSession>( |
| cb, cfg, sortedFormats, croppingType, chars, cameraId, std::move(v4l2Fd)); |
| } |
| |
| bool ExternalCameraDevice::isInitFailed() { |
| Mutex::Autolock _l(mLock); |
| return isInitFailedLocked(); |
| } |
| |
| bool ExternalCameraDevice::isInitFailedLocked() { |
| if (!mInitialized) { |
| status_t ret = initCameraCharacteristics(); |
| if (ret != OK) { |
| ALOGE("%s: init camera characteristics failed: errorno %d", __FUNCTION__, ret); |
| mInitFailed = true; |
| } |
| mInitialized = true; |
| } |
| return mInitFailed; |
| } |
| |
| void ExternalCameraDevice::initSupportedFormatsLocked(int fd) { |
| std::vector<SupportedV4L2Format> horizontalFmts = |
| getCandidateSupportedFormatsLocked(fd, HORIZONTAL, mCfg.fpsLimits, mCfg.depthFpsLimits, |
| mCfg.minStreamSize, mCfg.depthEnabled); |
| std::vector<SupportedV4L2Format> verticalFmts = |
| getCandidateSupportedFormatsLocked(fd, VERTICAL, mCfg.fpsLimits, mCfg.depthFpsLimits, |
| mCfg.minStreamSize, mCfg.depthEnabled); |
| |
| size_t horiSize = horizontalFmts.size(); |
| size_t vertSize = verticalFmts.size(); |
| |
| if (horiSize == 0 && vertSize == 0) { |
| ALOGE("%s: cannot find suitable cropping type!", __FUNCTION__); |
| return; |
| } |
| |
| if (horiSize == 0) { |
| mSupportedFormats = verticalFmts; |
| mCroppingType = VERTICAL; |
| return; |
| } else if (vertSize == 0) { |
| mSupportedFormats = horizontalFmts; |
| mCroppingType = HORIZONTAL; |
| return; |
| } |
| |
| const auto& maxHoriSize = horizontalFmts[horizontalFmts.size() - 1]; |
| const auto& maxVertSize = verticalFmts[verticalFmts.size() - 1]; |
| |
| // Try to keep the largest possible output size |
| // When they are the same or ambiguous, pick the one support more sizes |
| if (maxHoriSize.width == maxVertSize.width && maxHoriSize.height == maxVertSize.height) { |
| if (horiSize > vertSize) { |
| mSupportedFormats = horizontalFmts; |
| mCroppingType = HORIZONTAL; |
| } else { |
| mSupportedFormats = verticalFmts; |
| mCroppingType = VERTICAL; |
| } |
| } else if (maxHoriSize.width >= maxVertSize.width && maxHoriSize.height >= maxVertSize.height) { |
| mSupportedFormats = horizontalFmts; |
| mCroppingType = HORIZONTAL; |
| } else if (maxHoriSize.width <= maxVertSize.width && maxHoriSize.height <= maxVertSize.height) { |
| mSupportedFormats = verticalFmts; |
| mCroppingType = VERTICAL; |
| } else { |
| if (horiSize > vertSize) { |
| mSupportedFormats = horizontalFmts; |
| mCroppingType = HORIZONTAL; |
| } else { |
| mSupportedFormats = verticalFmts; |
| mCroppingType = VERTICAL; |
| } |
| } |
| } |
| |
| status_t ExternalCameraDevice::initCameraCharacteristics() { |
| if (!mCameraCharacteristics.isEmpty()) { |
| // Camera Characteristics previously initialized. Skip. |
| return OK; |
| } |
| |
| // init camera characteristics |
| unique_fd fd(::open(mDevicePath.c_str(), O_RDWR)); |
| if (fd.get() < 0) { |
| ALOGE("%s: v4l2 device open %s failed", __FUNCTION__, mDevicePath.c_str()); |
| return DEAD_OBJECT; |
| } |
| |
| status_t ret; |
| ret = initDefaultCharsKeys(&mCameraCharacteristics); |
| if (ret != OK) { |
| ALOGE("%s: init default characteristics key failed: errorno %d", __FUNCTION__, ret); |
| mCameraCharacteristics.clear(); |
| return ret; |
| } |
| |
| ret = initCameraControlsCharsKeys(fd.get(), &mCameraCharacteristics); |
| if (ret != OK) { |
| ALOGE("%s: init camera control characteristics key failed: errorno %d", __FUNCTION__, ret); |
| mCameraCharacteristics.clear(); |
| return ret; |
| } |
| |
| ret = initOutputCharsKeys(fd.get(), &mCameraCharacteristics); |
| if (ret != OK) { |
| ALOGE("%s: init output characteristics key failed: errorno %d", __FUNCTION__, ret); |
| mCameraCharacteristics.clear(); |
| return ret; |
| } |
| |
| ret = initAvailableCapabilities(&mCameraCharacteristics); |
| if (ret != OK) { |
| ALOGE("%s: init available capabilities key failed: errorno %d", __FUNCTION__, ret); |
| mCameraCharacteristics.clear(); |
| return ret; |
| } |
| |
| return OK; |
| } |
| |
| #define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0])) |
| #define UPDATE(tag, data, size) \ |
| do { \ |
| if (metadata->update((tag), (data), (size))) { \ |
| ALOGE("Update " #tag " failed!"); \ |
| return -EINVAL; \ |
| } \ |
| } while (0) |
| |
| status_t ExternalCameraDevice::initAvailableCapabilities( |
| ::android::hardware::camera::common::V1_0::helper::CameraMetadata* metadata) { |
| if (mSupportedFormats.empty()) { |
| ALOGE("%s: Supported formats list is empty", __FUNCTION__); |
| return UNKNOWN_ERROR; |
| } |
| |
| bool hasDepth = false; |
| bool hasColor = false; |
| for (const auto& fmt : mSupportedFormats) { |
| switch (fmt.fourcc) { |
| case V4L2_PIX_FMT_Z16: |
| hasDepth = true; |
| break; |
| case V4L2_PIX_FMT_MJPEG: |
| hasColor = true; |
| break; |
| default: |
| ALOGW("%s: Unsupported format found", __FUNCTION__); |
| } |
| } |
| |
| std::vector<uint8_t> availableCapabilities; |
| if (hasDepth) { |
| availableCapabilities.push_back(ANDROID_REQUEST_AVAILABLE_CAPABILITIES_DEPTH_OUTPUT); |
| } |
| if (hasColor) { |
| availableCapabilities.push_back(ANDROID_REQUEST_AVAILABLE_CAPABILITIES_BACKWARD_COMPATIBLE); |
| } |
| if (!availableCapabilities.empty()) { |
| UPDATE(ANDROID_REQUEST_AVAILABLE_CAPABILITIES, availableCapabilities.data(), |
| availableCapabilities.size()); |
| } |
| |
| return OK; |
| } |
| |
| status_t ExternalCameraDevice::initDefaultCharsKeys( |
| ::android::hardware::camera::common::V1_0::helper::CameraMetadata* metadata) { |
| const uint8_t hardware_level = ANDROID_INFO_SUPPORTED_HARDWARE_LEVEL_EXTERNAL; |
| UPDATE(ANDROID_INFO_SUPPORTED_HARDWARE_LEVEL, &hardware_level, 1); |
| |
| // android.colorCorrection |
| const uint8_t availableAberrationModes[] = {ANDROID_COLOR_CORRECTION_ABERRATION_MODE_OFF}; |
| UPDATE(ANDROID_COLOR_CORRECTION_AVAILABLE_ABERRATION_MODES, availableAberrationModes, |
| ARRAY_SIZE(availableAberrationModes)); |
| |
| // android.control |
| const uint8_t antibandingMode = ANDROID_CONTROL_AE_ANTIBANDING_MODE_AUTO; |
| UPDATE(ANDROID_CONTROL_AE_AVAILABLE_ANTIBANDING_MODES, &antibandingMode, 1); |
| |
| const int32_t controlMaxRegions[] = {/*AE*/ 0, /*AWB*/ 0, /*AF*/ 0}; |
| UPDATE(ANDROID_CONTROL_MAX_REGIONS, controlMaxRegions, ARRAY_SIZE(controlMaxRegions)); |
| |
| const uint8_t videoStabilizationMode = ANDROID_CONTROL_VIDEO_STABILIZATION_MODE_OFF; |
| UPDATE(ANDROID_CONTROL_AVAILABLE_VIDEO_STABILIZATION_MODES, &videoStabilizationMode, 1); |
| |
| const uint8_t awbAvailableMode = ANDROID_CONTROL_AWB_MODE_AUTO; |
| UPDATE(ANDROID_CONTROL_AWB_AVAILABLE_MODES, &awbAvailableMode, 1); |
| |
| const uint8_t aeAvailableMode = ANDROID_CONTROL_AE_MODE_ON; |
| UPDATE(ANDROID_CONTROL_AE_AVAILABLE_MODES, &aeAvailableMode, 1); |
| |
| const uint8_t availableFffect = ANDROID_CONTROL_EFFECT_MODE_OFF; |
| UPDATE(ANDROID_CONTROL_AVAILABLE_EFFECTS, &availableFffect, 1); |
| |
| const uint8_t controlAvailableModes[] = {ANDROID_CONTROL_MODE_OFF, ANDROID_CONTROL_MODE_AUTO}; |
| UPDATE(ANDROID_CONTROL_AVAILABLE_MODES, controlAvailableModes, |
| ARRAY_SIZE(controlAvailableModes)); |
| |
| // android.edge |
| const uint8_t edgeMode = ANDROID_EDGE_MODE_OFF; |
| UPDATE(ANDROID_EDGE_AVAILABLE_EDGE_MODES, &edgeMode, 1); |
| |
| // android.flash |
| const uint8_t flashInfo = ANDROID_FLASH_INFO_AVAILABLE_FALSE; |
| UPDATE(ANDROID_FLASH_INFO_AVAILABLE, &flashInfo, 1); |
| |
| // android.hotPixel |
| const uint8_t hotPixelMode = ANDROID_HOT_PIXEL_MODE_OFF; |
| UPDATE(ANDROID_HOT_PIXEL_AVAILABLE_HOT_PIXEL_MODES, &hotPixelMode, 1); |
| |
| // android.info |
| const uint8_t bufMgrVer = ANDROID_INFO_SUPPORTED_BUFFER_MANAGEMENT_VERSION_HIDL_DEVICE_3_5; |
| UPDATE(ANDROID_INFO_SUPPORTED_BUFFER_MANAGEMENT_VERSION, &bufMgrVer, 1); |
| |
| // android.jpeg |
| const int32_t jpegAvailableThumbnailSizes[] = {0, 0, 176, 144, 240, 144, 256, |
| 144, 240, 160, 256, 154, 240, 180}; |
| UPDATE(ANDROID_JPEG_AVAILABLE_THUMBNAIL_SIZES, jpegAvailableThumbnailSizes, |
| ARRAY_SIZE(jpegAvailableThumbnailSizes)); |
| |
| const int32_t jpegMaxSize = mCfg.maxJpegBufSize; |
| UPDATE(ANDROID_JPEG_MAX_SIZE, &jpegMaxSize, 1); |
| |
| // android.lens |
| const uint8_t focusDistanceCalibration = |
| ANDROID_LENS_INFO_FOCUS_DISTANCE_CALIBRATION_UNCALIBRATED; |
| UPDATE(ANDROID_LENS_INFO_FOCUS_DISTANCE_CALIBRATION, &focusDistanceCalibration, 1); |
| |
| const uint8_t opticalStabilizationMode = ANDROID_LENS_OPTICAL_STABILIZATION_MODE_OFF; |
| UPDATE(ANDROID_LENS_INFO_AVAILABLE_OPTICAL_STABILIZATION, &opticalStabilizationMode, 1); |
| |
| const uint8_t facing = ANDROID_LENS_FACING_EXTERNAL; |
| UPDATE(ANDROID_LENS_FACING, &facing, 1); |
| |
| // android.noiseReduction |
| const uint8_t noiseReductionMode = ANDROID_NOISE_REDUCTION_MODE_OFF; |
| UPDATE(ANDROID_NOISE_REDUCTION_AVAILABLE_NOISE_REDUCTION_MODES, &noiseReductionMode, 1); |
| UPDATE(ANDROID_NOISE_REDUCTION_MODE, &noiseReductionMode, 1); |
| |
| const int32_t partialResultCount = 1; |
| UPDATE(ANDROID_REQUEST_PARTIAL_RESULT_COUNT, &partialResultCount, 1); |
| |
| // This means pipeline latency of X frame intervals. The maximum number is 4. |
| const uint8_t requestPipelineMaxDepth = 4; |
| UPDATE(ANDROID_REQUEST_PIPELINE_MAX_DEPTH, &requestPipelineMaxDepth, 1); |
| |
| // Three numbers represent the maximum numbers of different types of output |
| // streams simultaneously. The types are raw sensor, processed (but not |
| // stalling), and processed (but stalling). For usb limited mode, raw sensor |
| // is not supported. Stalling stream is JPEG. Non-stalling streams are |
| // YUV_420_888 or YV12. |
| const int32_t requestMaxNumOutputStreams[] = { |
| /*RAW*/ 0, |
| /*Processed*/ ExternalCameraDeviceSession::kMaxProcessedStream, |
| /*Stall*/ ExternalCameraDeviceSession::kMaxStallStream}; |
| UPDATE(ANDROID_REQUEST_MAX_NUM_OUTPUT_STREAMS, requestMaxNumOutputStreams, |
| ARRAY_SIZE(requestMaxNumOutputStreams)); |
| |
| // Limited mode doesn't support reprocessing. |
| const int32_t requestMaxNumInputStreams = 0; |
| UPDATE(ANDROID_REQUEST_MAX_NUM_INPUT_STREAMS, &requestMaxNumInputStreams, 1); |
| |
| // android.scaler |
| // TODO: b/72263447 V4L2_CID_ZOOM_* |
| const float scalerAvailableMaxDigitalZoom[] = {1}; |
| UPDATE(ANDROID_SCALER_AVAILABLE_MAX_DIGITAL_ZOOM, scalerAvailableMaxDigitalZoom, |
| ARRAY_SIZE(scalerAvailableMaxDigitalZoom)); |
| |
| const uint8_t croppingType = ANDROID_SCALER_CROPPING_TYPE_CENTER_ONLY; |
| UPDATE(ANDROID_SCALER_CROPPING_TYPE, &croppingType, 1); |
| |
| const int32_t testPatternModes[] = {ANDROID_SENSOR_TEST_PATTERN_MODE_OFF, |
| ANDROID_SENSOR_TEST_PATTERN_MODE_SOLID_COLOR}; |
| UPDATE(ANDROID_SENSOR_AVAILABLE_TEST_PATTERN_MODES, testPatternModes, |
| ARRAY_SIZE(testPatternModes)); |
| |
| const uint8_t timestampSource = ANDROID_SENSOR_INFO_TIMESTAMP_SOURCE_UNKNOWN; |
| UPDATE(ANDROID_SENSOR_INFO_TIMESTAMP_SOURCE, ×tampSource, 1); |
| |
| // Orientation is a bit odd for external camera, but consider it as the orientation |
| // between the external camera sensor (which is usually landscape) and the device's |
| // natural display orientation. For devices with natural landscape display (ex: tablet/TV), the |
| // orientation should be 0. For devices with natural portrait display (phone), the orientation |
| // should be 270. |
| const int32_t orientation = mCfg.orientation; |
| UPDATE(ANDROID_SENSOR_ORIENTATION, &orientation, 1); |
| |
| // android.shading |
| const uint8_t availableMode = ANDROID_SHADING_MODE_OFF; |
| UPDATE(ANDROID_SHADING_AVAILABLE_MODES, &availableMode, 1); |
| |
| // android.statistics |
| const uint8_t faceDetectMode = ANDROID_STATISTICS_FACE_DETECT_MODE_OFF; |
| UPDATE(ANDROID_STATISTICS_INFO_AVAILABLE_FACE_DETECT_MODES, &faceDetectMode, 1); |
| |
| const int32_t maxFaceCount = 0; |
| UPDATE(ANDROID_STATISTICS_INFO_MAX_FACE_COUNT, &maxFaceCount, 1); |
| |
| const uint8_t availableHotpixelMode = ANDROID_STATISTICS_HOT_PIXEL_MAP_MODE_OFF; |
| UPDATE(ANDROID_STATISTICS_INFO_AVAILABLE_HOT_PIXEL_MAP_MODES, &availableHotpixelMode, 1); |
| |
| const uint8_t lensShadingMapMode = ANDROID_STATISTICS_LENS_SHADING_MAP_MODE_OFF; |
| UPDATE(ANDROID_STATISTICS_INFO_AVAILABLE_LENS_SHADING_MAP_MODES, &lensShadingMapMode, 1); |
| |
| // android.sync |
| const int32_t maxLatency = ANDROID_SYNC_MAX_LATENCY_UNKNOWN; |
| UPDATE(ANDROID_SYNC_MAX_LATENCY, &maxLatency, 1); |
| |
| /* Other sensor/RAW related keys: |
| * android.sensor.info.colorFilterArrangement -> no need if we don't do RAW |
| * android.sensor.info.physicalSize -> not available |
| * android.sensor.info.whiteLevel -> not available/not needed |
| * android.sensor.info.lensShadingApplied -> not needed |
| * android.sensor.info.preCorrectionActiveArraySize -> not available/not needed |
| * android.sensor.blackLevelPattern -> not available/not needed |
| */ |
| |
| const int32_t availableRequestKeys[] = {ANDROID_COLOR_CORRECTION_ABERRATION_MODE, |
| ANDROID_CONTROL_AE_ANTIBANDING_MODE, |
| ANDROID_CONTROL_AE_EXPOSURE_COMPENSATION, |
| ANDROID_CONTROL_AE_LOCK, |
| ANDROID_CONTROL_AE_MODE, |
| ANDROID_CONTROL_AE_PRECAPTURE_TRIGGER, |
| ANDROID_CONTROL_AE_TARGET_FPS_RANGE, |
| ANDROID_CONTROL_AF_MODE, |
| ANDROID_CONTROL_AF_TRIGGER, |
| ANDROID_CONTROL_AWB_LOCK, |
| ANDROID_CONTROL_AWB_MODE, |
| ANDROID_CONTROL_CAPTURE_INTENT, |
| ANDROID_CONTROL_EFFECT_MODE, |
| ANDROID_CONTROL_MODE, |
| ANDROID_CONTROL_SCENE_MODE, |
| ANDROID_CONTROL_VIDEO_STABILIZATION_MODE, |
| ANDROID_FLASH_MODE, |
| ANDROID_JPEG_ORIENTATION, |
| ANDROID_JPEG_QUALITY, |
| ANDROID_JPEG_THUMBNAIL_QUALITY, |
| ANDROID_JPEG_THUMBNAIL_SIZE, |
| ANDROID_LENS_OPTICAL_STABILIZATION_MODE, |
| ANDROID_NOISE_REDUCTION_MODE, |
| ANDROID_SCALER_CROP_REGION, |
| ANDROID_SENSOR_TEST_PATTERN_MODE, |
| ANDROID_STATISTICS_FACE_DETECT_MODE, |
| ANDROID_STATISTICS_HOT_PIXEL_MAP_MODE}; |
| UPDATE(ANDROID_REQUEST_AVAILABLE_REQUEST_KEYS, availableRequestKeys, |
| ARRAY_SIZE(availableRequestKeys)); |
| |
| const int32_t availableResultKeys[] = {ANDROID_COLOR_CORRECTION_ABERRATION_MODE, |
| ANDROID_CONTROL_AE_ANTIBANDING_MODE, |
| ANDROID_CONTROL_AE_EXPOSURE_COMPENSATION, |
| ANDROID_CONTROL_AE_LOCK, |
| ANDROID_CONTROL_AE_MODE, |
| ANDROID_CONTROL_AE_PRECAPTURE_TRIGGER, |
| ANDROID_CONTROL_AE_STATE, |
| ANDROID_CONTROL_AE_TARGET_FPS_RANGE, |
| ANDROID_CONTROL_AF_MODE, |
| ANDROID_CONTROL_AF_STATE, |
| ANDROID_CONTROL_AF_TRIGGER, |
| ANDROID_CONTROL_AWB_LOCK, |
| ANDROID_CONTROL_AWB_MODE, |
| ANDROID_CONTROL_AWB_STATE, |
| ANDROID_CONTROL_CAPTURE_INTENT, |
| ANDROID_CONTROL_EFFECT_MODE, |
| ANDROID_CONTROL_MODE, |
| ANDROID_CONTROL_SCENE_MODE, |
| ANDROID_CONTROL_VIDEO_STABILIZATION_MODE, |
| ANDROID_FLASH_MODE, |
| ANDROID_FLASH_STATE, |
| ANDROID_JPEG_ORIENTATION, |
| ANDROID_JPEG_QUALITY, |
| ANDROID_JPEG_THUMBNAIL_QUALITY, |
| ANDROID_JPEG_THUMBNAIL_SIZE, |
| ANDROID_LENS_OPTICAL_STABILIZATION_MODE, |
| ANDROID_NOISE_REDUCTION_MODE, |
| ANDROID_REQUEST_PIPELINE_DEPTH, |
| ANDROID_SCALER_CROP_REGION, |
| ANDROID_SENSOR_TIMESTAMP, |
| ANDROID_STATISTICS_FACE_DETECT_MODE, |
| ANDROID_STATISTICS_HOT_PIXEL_MAP_MODE, |
| ANDROID_STATISTICS_LENS_SHADING_MAP_MODE, |
| ANDROID_STATISTICS_SCENE_FLICKER}; |
| UPDATE(ANDROID_REQUEST_AVAILABLE_RESULT_KEYS, availableResultKeys, |
| ARRAY_SIZE(availableResultKeys)); |
| |
| UPDATE(ANDROID_REQUEST_AVAILABLE_CHARACTERISTICS_KEYS, AVAILABLE_CHARACTERISTICS_KEYS.data(), |
| AVAILABLE_CHARACTERISTICS_KEYS.size()); |
| |
| return OK; |
| } |
| |
| status_t ExternalCameraDevice::initCameraControlsCharsKeys( |
| int, ::android::hardware::camera::common::V1_0::helper::CameraMetadata* metadata) { |
| // android.sensor.info.sensitivityRange -> V4L2_CID_ISO_SENSITIVITY |
| // android.sensor.info.exposureTimeRange -> V4L2_CID_EXPOSURE_ABSOLUTE |
| // android.sensor.info.maxFrameDuration -> TBD |
| // android.lens.info.minimumFocusDistance -> V4L2_CID_FOCUS_ABSOLUTE |
| // android.lens.info.hyperfocalDistance |
| // android.lens.info.availableFocalLengths -> not available? |
| |
| // android.control |
| // No AE compensation support for now. |
| // TODO: V4L2_CID_EXPOSURE_BIAS |
| const int32_t controlAeCompensationRange[] = {0, 0}; |
| UPDATE(ANDROID_CONTROL_AE_COMPENSATION_RANGE, controlAeCompensationRange, |
| ARRAY_SIZE(controlAeCompensationRange)); |
| const camera_metadata_rational_t controlAeCompensationStep[] = {{0, 1}}; |
| UPDATE(ANDROID_CONTROL_AE_COMPENSATION_STEP, controlAeCompensationStep, |
| ARRAY_SIZE(controlAeCompensationStep)); |
| |
| // TODO: Check V4L2_CID_AUTO_FOCUS_*. |
| const uint8_t afAvailableModes[] = {ANDROID_CONTROL_AF_MODE_AUTO, ANDROID_CONTROL_AF_MODE_OFF}; |
| UPDATE(ANDROID_CONTROL_AF_AVAILABLE_MODES, afAvailableModes, ARRAY_SIZE(afAvailableModes)); |
| |
| // TODO: V4L2_CID_SCENE_MODE |
| const uint8_t availableSceneMode = ANDROID_CONTROL_SCENE_MODE_DISABLED; |
| UPDATE(ANDROID_CONTROL_AVAILABLE_SCENE_MODES, &availableSceneMode, 1); |
| |
| // TODO: V4L2_CID_3A_LOCK |
| const uint8_t aeLockAvailable = ANDROID_CONTROL_AE_LOCK_AVAILABLE_FALSE; |
| UPDATE(ANDROID_CONTROL_AE_LOCK_AVAILABLE, &aeLockAvailable, 1); |
| const uint8_t awbLockAvailable = ANDROID_CONTROL_AWB_LOCK_AVAILABLE_FALSE; |
| UPDATE(ANDROID_CONTROL_AWB_LOCK_AVAILABLE, &awbLockAvailable, 1); |
| |
| // TODO: V4L2_CID_ZOOM_* |
| const float scalerAvailableMaxDigitalZoom[] = {1}; |
| UPDATE(ANDROID_SCALER_AVAILABLE_MAX_DIGITAL_ZOOM, scalerAvailableMaxDigitalZoom, |
| ARRAY_SIZE(scalerAvailableMaxDigitalZoom)); |
| |
| return OK; |
| } |
| |
| status_t ExternalCameraDevice::initOutputCharsKeys( |
| int fd, ::android::hardware::camera::common::V1_0::helper::CameraMetadata* metadata) { |
| initSupportedFormatsLocked(fd); |
| if (mSupportedFormats.empty()) { |
| ALOGE("%s: Init supported format list failed", __FUNCTION__); |
| return UNKNOWN_ERROR; |
| } |
| |
| bool hasDepth = false; |
| bool hasColor = false; |
| |
| // For V4L2_PIX_FMT_Z16 |
| std::array<int, /*size*/ 1> halDepthFormats{{HAL_PIXEL_FORMAT_Y16}}; |
| // For V4L2_PIX_FMT_MJPEG |
| std::array<int, /*size*/ 3> halFormats{{HAL_PIXEL_FORMAT_BLOB, HAL_PIXEL_FORMAT_YCbCr_420_888, |
| HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED}}; |
| |
| for (const auto& supportedFormat : mSupportedFormats) { |
| switch (supportedFormat.fourcc) { |
| case V4L2_PIX_FMT_Z16: |
| hasDepth = true; |
| break; |
| case V4L2_PIX_FMT_MJPEG: |
| hasColor = true; |
| break; |
| default: |
| ALOGW("%s: format %c%c%c%c is not supported!", __FUNCTION__, |
| supportedFormat.fourcc & 0xFF, (supportedFormat.fourcc >> 8) & 0xFF, |
| (supportedFormat.fourcc >> 16) & 0xFF, (supportedFormat.fourcc >> 24) & 0xFF); |
| } |
| } |
| |
| if (hasDepth) { |
| status_t ret = initOutputCharsKeysByFormat( |
| metadata, V4L2_PIX_FMT_Z16, halDepthFormats, |
| ANDROID_DEPTH_AVAILABLE_DEPTH_STREAM_CONFIGURATIONS_OUTPUT, |
| ANDROID_DEPTH_AVAILABLE_DEPTH_STREAM_CONFIGURATIONS, |
| ANDROID_DEPTH_AVAILABLE_DEPTH_MIN_FRAME_DURATIONS, |
| ANDROID_DEPTH_AVAILABLE_DEPTH_STALL_DURATIONS); |
| if (ret != OK) { |
| ALOGE("%s: Unable to initialize depth format keys: %s", __FUNCTION__, |
| statusToString(ret).c_str()); |
| return ret; |
| } |
| } |
| if (hasColor) { |
| status_t ret = |
| initOutputCharsKeysByFormat(metadata, V4L2_PIX_FMT_MJPEG, halFormats, |
| ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS_OUTPUT, |
| ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS, |
| ANDROID_SCALER_AVAILABLE_MIN_FRAME_DURATIONS, |
| ANDROID_SCALER_AVAILABLE_STALL_DURATIONS); |
| if (ret != OK) { |
| ALOGE("%s: Unable to initialize color format keys: %s", __FUNCTION__, |
| statusToString(ret).c_str()); |
| return ret; |
| } |
| } |
| |
| status_t ret = calculateMinFps(metadata); |
| if (ret != OK) { |
| ALOGE("%s: Unable to update fps metadata: %s", __FUNCTION__, statusToString(ret).c_str()); |
| return ret; |
| } |
| |
| SupportedV4L2Format maximumFormat{.width = 0, .height = 0}; |
| for (const auto& supportedFormat : mSupportedFormats) { |
| if (supportedFormat.width >= maximumFormat.width && |
| supportedFormat.height >= maximumFormat.height) { |
| maximumFormat = supportedFormat; |
| } |
| } |
| int32_t activeArraySize[] = {0, 0, static_cast<int32_t>(maximumFormat.width), |
| static_cast<int32_t>(maximumFormat.height)}; |
| UPDATE(ANDROID_SENSOR_INFO_PRE_CORRECTION_ACTIVE_ARRAY_SIZE, activeArraySize, |
| ARRAY_SIZE(activeArraySize)); |
| UPDATE(ANDROID_SENSOR_INFO_ACTIVE_ARRAY_SIZE, activeArraySize, ARRAY_SIZE(activeArraySize)); |
| |
| int32_t pixelArraySize[] = {static_cast<int32_t>(maximumFormat.width), |
| static_cast<int32_t>(maximumFormat.height)}; |
| UPDATE(ANDROID_SENSOR_INFO_PIXEL_ARRAY_SIZE, pixelArraySize, ARRAY_SIZE(pixelArraySize)); |
| return OK; |
| } |
| |
| template <size_t SIZE> |
| status_t ExternalCameraDevice::initOutputCharsKeysByFormat( |
| ::android::hardware::camera::common::V1_0::helper::CameraMetadata* metadata, |
| uint32_t fourcc, const std::array<int, SIZE>& halFormats, int streamConfigTag, |
| int streamConfigurationKey, int minFrameDurationKey, int stallDurationKey) { |
| if (mSupportedFormats.empty()) { |
| ALOGE("%s: Init supported format list failed", __FUNCTION__); |
| return UNKNOWN_ERROR; |
| } |
| |
| std::vector<int32_t> streamConfigurations; |
| std::vector<int64_t> minFrameDurations; |
| std::vector<int64_t> stallDurations; |
| |
| for (const auto& supportedFormat : mSupportedFormats) { |
| if (supportedFormat.fourcc != fourcc) { |
| // Skip 4CCs not meant for the halFormats |
| continue; |
| } |
| for (const auto& format : halFormats) { |
| streamConfigurations.push_back(format); |
| streamConfigurations.push_back(supportedFormat.width); |
| streamConfigurations.push_back(supportedFormat.height); |
| streamConfigurations.push_back(streamConfigTag); |
| } |
| |
| int64_t minFrameDuration = std::numeric_limits<int64_t>::max(); |
| for (const auto& fr : supportedFormat.frameRates) { |
| // 1000000000LL < (2^32 - 1) and |
| // fr.durationNumerator is uint32_t, so no overflow here |
| int64_t frameDuration = 1000000000LL * fr.durationNumerator / fr.durationDenominator; |
| if (frameDuration < minFrameDuration) { |
| minFrameDuration = frameDuration; |
| } |
| } |
| |
| for (const auto& format : halFormats) { |
| minFrameDurations.push_back(format); |
| minFrameDurations.push_back(supportedFormat.width); |
| minFrameDurations.push_back(supportedFormat.height); |
| minFrameDurations.push_back(minFrameDuration); |
| } |
| |
| // The stall duration is 0 for non-jpeg formats. For JPEG format, stall |
| // duration can be 0 if JPEG is small. Here we choose 1 sec for JPEG. |
| // TODO: b/72261675. Maybe set this dynamically |
| for (const auto& format : halFormats) { |
| const int64_t NS_TO_SECOND = 1E9; |
| int64_t stall_duration = (format == HAL_PIXEL_FORMAT_BLOB) ? NS_TO_SECOND : 0; |
| stallDurations.push_back(format); |
| stallDurations.push_back(supportedFormat.width); |
| stallDurations.push_back(supportedFormat.height); |
| stallDurations.push_back(stall_duration); |
| } |
| } |
| |
| UPDATE(streamConfigurationKey, streamConfigurations.data(), streamConfigurations.size()); |
| |
| UPDATE(minFrameDurationKey, minFrameDurations.data(), minFrameDurations.size()); |
| |
| UPDATE(stallDurationKey, stallDurations.data(), stallDurations.size()); |
| |
| return OK; |
| } |
| |
| status_t ExternalCameraDevice::calculateMinFps( |
| ::android::hardware::camera::common::V1_0::helper::CameraMetadata* metadata) { |
| std::set<int32_t> framerates; |
| int32_t minFps = std::numeric_limits<int32_t>::max(); |
| |
| for (const auto& supportedFormat : mSupportedFormats) { |
| for (const auto& fr : supportedFormat.frameRates) { |
| int32_t frameRateInt = static_cast<int32_t>(fr.getFramesPerSecond()); |
| if (minFps > frameRateInt) { |
| minFps = frameRateInt; |
| } |
| framerates.insert(frameRateInt); |
| } |
| } |
| |
| std::vector<int32_t> fpsRanges; |
| // FPS ranges |
| for (const auto& framerate : framerates) { |
| // Empirical: webcams often have close to 2x fps error and cannot support fixed fps range |
| fpsRanges.push_back(framerate / 2); |
| fpsRanges.push_back(framerate); |
| } |
| minFps /= 2; |
| int64_t maxFrameDuration = 1000000000LL / minFps; |
| |
| UPDATE(ANDROID_CONTROL_AE_AVAILABLE_TARGET_FPS_RANGES, fpsRanges.data(), fpsRanges.size()); |
| |
| UPDATE(ANDROID_SENSOR_INFO_MAX_FRAME_DURATION, &maxFrameDuration, 1); |
| |
| return OK; |
| } |
| |
| #undef ARRAY_SIZE |
| #undef UPDATE |
| |
| void ExternalCameraDevice::getFrameRateList(int fd, double fpsUpperBound, |
| SupportedV4L2Format* format) { |
| format->frameRates.clear(); |
| |
| v4l2_frmivalenum frameInterval{ |
| .index = 0, |
| .pixel_format = format->fourcc, |
| .width = static_cast<__u32>(format->width), |
| .height = static_cast<__u32>(format->height), |
| }; |
| |
| for (frameInterval.index = 0; |
| TEMP_FAILURE_RETRY(ioctl(fd, VIDIOC_ENUM_FRAMEINTERVALS, &frameInterval)) == 0; |
| ++frameInterval.index) { |
| if (frameInterval.type == V4L2_FRMIVAL_TYPE_DISCRETE) { |
| if (frameInterval.discrete.numerator != 0) { |
| SupportedV4L2Format::FrameRate fr = {frameInterval.discrete.numerator, |
| frameInterval.discrete.denominator}; |
| double framerate = fr.getFramesPerSecond(); |
| if (framerate > fpsUpperBound) { |
| continue; |
| } |
| ALOGV("index:%d, format:%c%c%c%c, w %d, h %d, framerate %f", frameInterval.index, |
| frameInterval.pixel_format & 0xFF, (frameInterval.pixel_format >> 8) & 0xFF, |
| (frameInterval.pixel_format >> 16) & 0xFF, |
| (frameInterval.pixel_format >> 24) & 0xFF, frameInterval.width, |
| frameInterval.height, framerate); |
| format->frameRates.push_back(fr); |
| } |
| } |
| } |
| |
| if (format->frameRates.empty()) { |
| ALOGE("%s: failed to get supported frame rates for format:%c%c%c%c w %d h %d", __FUNCTION__, |
| frameInterval.pixel_format & 0xFF, (frameInterval.pixel_format >> 8) & 0xFF, |
| (frameInterval.pixel_format >> 16) & 0xFF, (frameInterval.pixel_format >> 24) & 0xFF, |
| frameInterval.width, frameInterval.height); |
| } |
| } |
| |
| void ExternalCameraDevice::updateFpsBounds( |
| int fd, CroppingType cropType, |
| const std::vector<ExternalCameraConfig::FpsLimitation>& fpsLimits, |
| SupportedV4L2Format format, std::vector<SupportedV4L2Format>& outFmts) { |
| double fpsUpperBound = -1.0; |
| for (const auto& limit : fpsLimits) { |
| if (cropType == VERTICAL) { |
| if (format.width <= limit.size.width) { |
| fpsUpperBound = limit.fpsUpperBound; |
| break; |
| } |
| } else { // HORIZONTAL |
| if (format.height <= limit.size.height) { |
| fpsUpperBound = limit.fpsUpperBound; |
| break; |
| } |
| } |
| } |
| if (fpsUpperBound < 0.f) { |
| return; |
| } |
| |
| getFrameRateList(fd, fpsUpperBound, &format); |
| if (!format.frameRates.empty()) { |
| outFmts.push_back(format); |
| } |
| } |
| |
| std::vector<SupportedV4L2Format> ExternalCameraDevice::getCandidateSupportedFormatsLocked( |
| int fd, CroppingType cropType, |
| const std::vector<ExternalCameraConfig::FpsLimitation>& fpsLimits, |
| const std::vector<ExternalCameraConfig::FpsLimitation>& depthFpsLimits, |
| const Size& minStreamSize, bool depthEnabled) { |
| std::vector<SupportedV4L2Format> outFmts; |
| struct v4l2_fmtdesc fmtdesc { |
| .index = 0, .type = V4L2_BUF_TYPE_VIDEO_CAPTURE |
| }; |
| int ret = 0; |
| while (ret == 0) { |
| ret = TEMP_FAILURE_RETRY(ioctl(fd, VIDIOC_ENUM_FMT, &fmtdesc)); |
| ALOGV("index:%d,ret:%d, format:%c%c%c%c", fmtdesc.index, ret, fmtdesc.pixelformat & 0xFF, |
| (fmtdesc.pixelformat >> 8) & 0xFF, (fmtdesc.pixelformat >> 16) & 0xFF, |
| (fmtdesc.pixelformat >> 24) & 0xFF); |
| |
| if (ret != 0 || (fmtdesc.flags & V4L2_FMT_FLAG_EMULATED)) { |
| // Skip if IOCTL failed, or if the format is emulated |
| fmtdesc.index++; |
| continue; |
| } |
| auto it = |
| std::find(kSupportedFourCCs.begin(), kSupportedFourCCs.end(), fmtdesc.pixelformat); |
| if (it == kSupportedFourCCs.end()) { |
| fmtdesc.index++; |
| continue; |
| } |
| |
| // Found supported format |
| v4l2_frmsizeenum frameSize{.index = 0, .pixel_format = fmtdesc.pixelformat}; |
| for (; TEMP_FAILURE_RETRY(ioctl(fd, VIDIOC_ENUM_FRAMESIZES, &frameSize)) == 0; |
| ++frameSize.index) { |
| if (frameSize.type == V4L2_FRMSIZE_TYPE_DISCRETE) { |
| ALOGV("index:%d, format:%c%c%c%c, w %d, h %d", frameSize.index, |
| fmtdesc.pixelformat & 0xFF, (fmtdesc.pixelformat >> 8) & 0xFF, |
| (fmtdesc.pixelformat >> 16) & 0xFF, (fmtdesc.pixelformat >> 24) & 0xFF, |
| frameSize.discrete.width, frameSize.discrete.height); |
| |
| // Disregard h > w formats so all aspect ratio (h/w) <= 1.0 |
| // This will simplify the crop/scaling logic down the road |
| if (frameSize.discrete.height > frameSize.discrete.width) { |
| continue; |
| } |
| |
| // Discard all formats which is smaller than minStreamSize |
| if (frameSize.discrete.width < minStreamSize.width || |
| frameSize.discrete.height < minStreamSize.height) { |
| continue; |
| } |
| |
| SupportedV4L2Format format{ |
| .width = static_cast<int32_t>(frameSize.discrete.width), |
| .height = static_cast<int32_t>(frameSize.discrete.height), |
| .fourcc = fmtdesc.pixelformat}; |
| |
| if (format.fourcc == V4L2_PIX_FMT_Z16 && depthEnabled) { |
| updateFpsBounds(fd, cropType, depthFpsLimits, format, outFmts); |
| } else { |
| updateFpsBounds(fd, cropType, fpsLimits, format, outFmts); |
| } |
| } |
| } |
| fmtdesc.index++; |
| } |
| trimSupportedFormats(cropType, &outFmts); |
| return outFmts; |
| } |
| |
| void ExternalCameraDevice::trimSupportedFormats(CroppingType cropType, |
| std::vector<SupportedV4L2Format>* pFmts) { |
| std::vector<SupportedV4L2Format>& sortedFmts = *pFmts; |
| if (cropType == VERTICAL) { |
| std::sort(sortedFmts.begin(), sortedFmts.end(), |
| [](const SupportedV4L2Format& a, const SupportedV4L2Format& b) -> bool { |
| if (a.width == b.width) { |
| return a.height < b.height; |
| } |
| return a.width < b.width; |
| }); |
| } else { |
| std::sort(sortedFmts.begin(), sortedFmts.end(), |
| [](const SupportedV4L2Format& a, const SupportedV4L2Format& b) -> bool { |
| if (a.height == b.height) { |
| return a.width < b.width; |
| } |
| return a.height < b.height; |
| }); |
| } |
| |
| if (sortedFmts.empty()) { |
| ALOGE("%s: input format list is empty!", __FUNCTION__); |
| return; |
| } |
| |
| const auto& maxSize = sortedFmts[sortedFmts.size() - 1]; |
| float maxSizeAr = ASPECT_RATIO(maxSize); |
| |
| // Remove formats that has aspect ratio not croppable from largest size |
| std::vector<SupportedV4L2Format> out; |
| for (const auto& fmt : sortedFmts) { |
| float ar = ASPECT_RATIO(fmt); |
| if (isAspectRatioClose(ar, maxSizeAr)) { |
| out.push_back(fmt); |
| } else if (cropType == HORIZONTAL && ar < maxSizeAr) { |
| out.push_back(fmt); |
| } else if (cropType == VERTICAL && ar > maxSizeAr) { |
| out.push_back(fmt); |
| } else { |
| ALOGV("%s: size (%d,%d) is removed due to unable to crop %s from (%d,%d)", __FUNCTION__, |
| fmt.width, fmt.height, cropType == VERTICAL ? "vertically" : "horizontally", |
| maxSize.width, maxSize.height); |
| } |
| } |
| sortedFmts = out; |
| } |
| |
| binder_status_t ExternalCameraDevice::dump(int fd, const char** args, uint32_t numArgs) { |
| std::shared_ptr<ExternalCameraDeviceSession> session = mSession.lock(); |
| if (session == nullptr) { |
| dprintf(fd, "No active camera device session instance\n"); |
| return STATUS_OK; |
| } |
| |
| return session->dump(fd, args, numArgs); |
| } |
| |
| } // namespace implementation |
| } // namespace device |
| } // namespace camera |
| } // namespace hardware |
| } // namespace android |