diff options
Diffstat (limited to 'camera/provider/CameraProvider.cpp')
| -rw-r--r-- | camera/provider/CameraProvider.cpp | 507 |
1 files changed, 0 insertions, 507 deletions
diff --git a/camera/provider/CameraProvider.cpp b/camera/provider/CameraProvider.cpp deleted file mode 100644 index e6e03d8..0000000 --- a/camera/provider/CameraProvider.cpp +++ /dev/null @@ -1,507 +0,0 @@ -/* - * Copyright (C) 2016 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 "CamProvider@2.4-impl.z2_plus" -#include <android/log.h> - -#include "CameraProvider.h" -#include "CameraDevice_1_0.h" -#include "CameraDevice_3_2.h" -#include <string.h> -#include <utils/Trace.h> - - -namespace android { -namespace hardware { -namespace camera { -namespace provider { -namespace V2_4 { -namespace implementation { - -namespace { -const char *kLegacyProviderName = "legacy/0"; -// "device@<version>/legacy/<id>" -const std::regex kDeviceNameRE("device@([0-9]+\\.[0-9]+)/legacy/(.+)"); -const char *kHAL3_2 = "3.2"; -const char *kHAL1_0 = "1.0"; -const int kMaxCameraDeviceNameLen = 128; -const int kMaxCameraIdLen = 16; - -bool matchDeviceName(const hidl_string& deviceName, std::string* deviceVersion, - std::string* cameraId) { - std::string deviceNameStd(deviceName.c_str()); - std::smatch sm; - if (std::regex_match(deviceNameStd, sm, kDeviceNameRE)) { - if (deviceVersion != nullptr) { - *deviceVersion = sm[1]; - } - if (cameraId != nullptr) { - *cameraId = sm[2]; - } - return true; - } - return false; -} - -} // anonymous namespace - -using ::android::hardware::camera::common::V1_0::CameraMetadataType; -using ::android::hardware::camera::common::V1_0::Status; - -/** - * static callback forwarding methods from HAL to instance - */ -void CameraProvider::sCameraDeviceStatusChange( - const struct camera_module_callbacks* callbacks, - int camera_id, - int new_status) { - CameraProvider* cp = const_cast<CameraProvider*>( - static_cast<const CameraProvider*>(callbacks)); - - if (cp == nullptr) { - ALOGE("%s: callback ops is null", __FUNCTION__); - return; - } - - Mutex::Autolock _l(cp->mCbLock); - char cameraId[kMaxCameraIdLen]; - snprintf(cameraId, sizeof(cameraId), "%d", camera_id); - std::string cameraIdStr(cameraId); - cp->mCameraStatusMap[cameraIdStr] = (camera_device_status_t) new_status; - if (cp->mCallbacks != nullptr) { - CameraDeviceStatus status = (CameraDeviceStatus) new_status; - for (auto const& deviceNamePair : cp->mCameraDeviceNames) { - if (cameraIdStr.compare(deviceNamePair.first) == 0) { - cp->mCallbacks->cameraDeviceStatusChange( - deviceNamePair.second, status); - } - } - } -} - -void CameraProvider::sTorchModeStatusChange( - const struct camera_module_callbacks* callbacks, - const char* camera_id, - int new_status) { - CameraProvider* cp = const_cast<CameraProvider*>( - static_cast<const CameraProvider*>(callbacks)); - - if (cp == nullptr) { - ALOGE("%s: callback ops is null", __FUNCTION__); - return; - } - - Mutex::Autolock _l(cp->mCbLock); - if (cp->mCallbacks != nullptr) { - std::string cameraIdStr(camera_id); - TorchModeStatus status = (TorchModeStatus) new_status; - for (auto const& deviceNamePair : cp->mCameraDeviceNames) { - if (cameraIdStr.compare(deviceNamePair.first) == 0) { - cp->mCallbacks->torchModeStatusChange( - deviceNamePair.second, status); - } - } - } -} - -Status CameraProvider::getHidlStatus(int status) { - switch (status) { - case 0: return Status::OK; - case -ENODEV: return Status::INTERNAL_ERROR; - case -EINVAL: return Status::ILLEGAL_ARGUMENT; - default: - ALOGE("%s: unknown HAL status code %d", __FUNCTION__, status); - return Status::INTERNAL_ERROR; - } -} - -std::string CameraProvider::getLegacyCameraId(const hidl_string& deviceName) { - std::string cameraId; - matchDeviceName(deviceName, nullptr, &cameraId); - return cameraId; -} - -int CameraProvider::getCameraDeviceVersion(const hidl_string& deviceName) { - std::string deviceVersion; - bool match = matchDeviceName(deviceName, &deviceVersion, nullptr); - if (!match) { - return -1; - } - if (deviceVersion == kHAL3_2) { - // maybe switched to 3.4 or define the hidl version enum later - return CAMERA_DEVICE_API_VERSION_3_2; - } else if (deviceVersion == kHAL1_0) { - return CAMERA_DEVICE_API_VERSION_1_0; - } - return 0; -} - -std::string CameraProvider::getHidlDeviceName( - std::string cameraId, int deviceVersion) { - // Maybe consider create a version check method and SortedVec to speed up? - if (deviceVersion != CAMERA_DEVICE_API_VERSION_1_0 && - deviceVersion != CAMERA_DEVICE_API_VERSION_3_2 && - deviceVersion != CAMERA_DEVICE_API_VERSION_3_3 && - deviceVersion != CAMERA_DEVICE_API_VERSION_3_4 ) { - return hidl_string(""); - } - const char* versionStr = (deviceVersion == CAMERA_DEVICE_API_VERSION_1_0) ? kHAL1_0 : kHAL3_2; - char deviceName[kMaxCameraDeviceNameLen]; - snprintf(deviceName, sizeof(deviceName), "device@%s/legacy/%s", - versionStr, cameraId.c_str()); - return deviceName; -} - -CameraProvider::CameraProvider() : - camera_module_callbacks_t({sCameraDeviceStatusChange, - sTorchModeStatusChange}) { - mInitFailed = initialize(); -} - -CameraProvider::~CameraProvider() {} - -bool CameraProvider::initialize() { - camera_module_t *rawModule; - int err = hw_get_module(CAMERA_HARDWARE_MODULE_ID, - (const hw_module_t **)&rawModule); - if (err < 0) { - ALOGE("Could not load camera HAL module: %d (%s)", err, strerror(-err)); - return true; - } - - mModule = new CameraModule(rawModule); - err = mModule->init(); - if (err != OK) { - ALOGE("Could not initialize camera HAL module: %d (%s)", err, strerror(-err)); - mModule.clear(); - return true; - } - ALOGI("Loaded \"%s\" camera module", mModule->getModuleName()); - - // Setup vendor tags here so HAL can setup vendor keys in camera characteristics - VendorTagDescriptor::clearGlobalVendorTagDescriptor(); - if (!setUpVendorTags()) { - ALOGE("%s: Vendor tag setup failed, will not be available.", __FUNCTION__); - } - - // Setup callback now because we are going to try openLegacy next - err = mModule->setCallbacks(this); - if (err != OK) { - ALOGE("Could not set camera module callback: %d (%s)", err, strerror(-err)); - mModule.clear(); - return true; - } - - mNumberOfLegacyCameras = mModule->getNumberOfCameras(); - for (int i = 0; i < mNumberOfLegacyCameras; i++) { - struct camera_info info; - auto rc = mModule->getCameraInfo(i, &info); - if (rc != NO_ERROR) { - ALOGE("%s: Camera info query failed!", __func__); - mModule.clear(); - return true; - } - - if (checkCameraVersion(i, info) != OK) { - ALOGE("%s: Camera version check failed!", __func__); - mModule.clear(); - return true; - } - - char cameraId[kMaxCameraIdLen]; - snprintf(cameraId, sizeof(cameraId), "%d", i); - std::string cameraIdStr(cameraId); - mCameraStatusMap[cameraIdStr] = CAMERA_DEVICE_STATUS_PRESENT; - mCameraIds.add(cameraIdStr); - - // initialize mCameraDeviceNames and mOpenLegacySupported - mOpenLegacySupported[cameraIdStr] = false; - int deviceVersion = mModule->getDeviceVersion(i); - mCameraDeviceNames.add( - std::make_pair(cameraIdStr, - getHidlDeviceName(cameraIdStr, deviceVersion))); - if (deviceVersion >= CAMERA_DEVICE_API_VERSION_3_2 && - mModule->isOpenLegacyDefined()) { - // try open_legacy to see if it actually works - struct hw_device_t* halDev = nullptr; - int ret = mModule->openLegacy(cameraId, CAMERA_DEVICE_API_VERSION_1_0, &halDev); - if (ret == 0) { - mOpenLegacySupported[cameraIdStr] = true; - halDev->close(halDev); - mCameraDeviceNames.add( - std::make_pair(cameraIdStr, - getHidlDeviceName(cameraIdStr, CAMERA_DEVICE_API_VERSION_1_0))); - } else if (ret == -EBUSY || ret == -EUSERS) { - // Looks like this provider instance is not initialized during - // system startup and there are other camera users already. - // Not a good sign but not fatal. - ALOGW("%s: open_legacy try failed!", __FUNCTION__); - } - } - } - - return false; // mInitFailed -} - -/** - * Check that the device HAL version is still in supported. - */ -int CameraProvider::checkCameraVersion(int id, camera_info info) { - if (mModule == nullptr) { - return NO_INIT; - } - - // device_version undefined in CAMERA_MODULE_API_VERSION_1_0, - // All CAMERA_MODULE_API_VERSION_1_0 devices are backward-compatible - if (mModule->getModuleApiVersion() >= CAMERA_MODULE_API_VERSION_2_0) { - // Verify the device version is in the supported range - switch (info.device_version) { - case CAMERA_DEVICE_API_VERSION_1_0: - case CAMERA_DEVICE_API_VERSION_3_2: - case CAMERA_DEVICE_API_VERSION_3_3: - case CAMERA_DEVICE_API_VERSION_3_4: - // in support - break; - case CAMERA_DEVICE_API_VERSION_2_0: - case CAMERA_DEVICE_API_VERSION_2_1: - case CAMERA_DEVICE_API_VERSION_3_0: - case CAMERA_DEVICE_API_VERSION_3_1: - // no longer supported - default: - ALOGE("%s: Device %d has HAL version %x, which is not supported", - __FUNCTION__, id, info.device_version); - return NO_INIT; - } - } - - return OK; -} - -bool CameraProvider::setUpVendorTags() { - ATRACE_CALL(); - vendor_tag_ops_t vOps = vendor_tag_ops_t(); - - // Check if vendor operations have been implemented - if (!mModule->isVendorTagDefined()) { - ALOGI("%s: No vendor tags defined for this device.", __FUNCTION__); - return true; - } - - mModule->getVendorTagOps(&vOps); - - // Ensure all vendor operations are present - if (vOps.get_tag_count == nullptr || vOps.get_all_tags == nullptr || - vOps.get_section_name == nullptr || vOps.get_tag_name == nullptr || - vOps.get_tag_type == nullptr) { - ALOGE("%s: Vendor tag operations not fully defined. Ignoring definitions." - , __FUNCTION__); - return false; - } - - // Read all vendor tag definitions into a descriptor - sp<VendorTagDescriptor> desc; - status_t res; - if ((res = VendorTagDescriptor::createDescriptorFromOps(&vOps, /*out*/desc)) - != OK) { - ALOGE("%s: Could not generate descriptor from vendor tag operations," - "received error %s (%d). Camera clients will not be able to use" - "vendor tags", __FUNCTION__, strerror(res), res); - return false; - } - - // Set the global descriptor to use with camera metadata - VendorTagDescriptor::setAsGlobalVendorTagDescriptor(desc); - const SortedVector<String8>* sectionNames = desc->getAllSectionNames(); - size_t numSections = sectionNames->size(); - std::vector<std::vector<VendorTag>> tagsBySection(numSections); - int tagCount = desc->getTagCount(); - std::vector<uint32_t> tags(tagCount); - desc->getTagArray(tags.data()); - for (int i = 0; i < tagCount; i++) { - VendorTag vt; - vt.tagId = tags[i]; - vt.tagName = desc->getTagName(tags[i]); - vt.tagType = (CameraMetadataType) desc->getTagType(tags[i]); - ssize_t sectionIdx = desc->getSectionIndex(tags[i]); - tagsBySection[sectionIdx].push_back(vt); - } - mVendorTagSections.resize(numSections); - for (size_t s = 0; s < numSections; s++) { - mVendorTagSections[s].sectionName = (*sectionNames)[s].string(); - mVendorTagSections[s].tags = tagsBySection[s]; - } - return true; -} - -// Methods from ::android::hardware::camera::provider::V2_4::ICameraProvider follow. -Return<Status> CameraProvider::setCallback(const sp<ICameraProviderCallback>& callback) { - Mutex::Autolock _l(mCbLock); - mCallbacks = callback; - return Status::OK; -} - -Return<void> CameraProvider::getVendorTags(getVendorTags_cb _hidl_cb) { - _hidl_cb(Status::OK, mVendorTagSections); - return Void(); -} - -Return<void> CameraProvider::getCameraIdList(getCameraIdList_cb _hidl_cb) { - std::vector<hidl_string> deviceNameList; - for (auto const& deviceNamePair : mCameraDeviceNames) { - if (mCameraStatusMap[deviceNamePair.first] == CAMERA_DEVICE_STATUS_PRESENT) { - deviceNameList.push_back(deviceNamePair.second); - } - } - hidl_vec<hidl_string> hidlDeviceNameList(deviceNameList); - _hidl_cb(Status::OK, hidlDeviceNameList); - return Void(); -} - -Return<void> CameraProvider::isSetTorchModeSupported(isSetTorchModeSupported_cb _hidl_cb) { - bool support = mModule->isSetTorchModeSupported(); - _hidl_cb (Status::OK, support); - return Void(); -} - -Return<void> CameraProvider::getCameraDeviceInterface_V1_x( - const hidl_string& cameraDeviceName, getCameraDeviceInterface_V1_x_cb _hidl_cb) { - std::string cameraId, deviceVersion; - bool match = matchDeviceName(cameraDeviceName, &deviceVersion, &cameraId); - if (!match) { - _hidl_cb(Status::ILLEGAL_ARGUMENT, nullptr); - return Void(); - } - - std::string deviceName(cameraDeviceName.c_str()); - ssize_t index = mCameraDeviceNames.indexOf(std::make_pair(cameraId, deviceName)); - if (index == NAME_NOT_FOUND) { // Either an illegal name or a device version mismatch - Status status = Status::OK; - ssize_t idx = mCameraIds.indexOf(cameraId); - if (idx == NAME_NOT_FOUND) { - ALOGE("%s: cannot find camera %s!", __FUNCTION__, cameraId.c_str()); - status = Status::ILLEGAL_ARGUMENT; - } else { // invalid version - ALOGE("%s: camera device %s does not support version %s!", - __FUNCTION__, cameraId.c_str(), deviceVersion.c_str()); - status = Status::OPERATION_NOT_SUPPORTED; - } - _hidl_cb(status, nullptr); - return Void(); - } - - if (mCameraStatusMap.count(cameraId) == 0 || - mCameraStatusMap[cameraId] != CAMERA_DEVICE_STATUS_PRESENT) { - _hidl_cb(Status::ILLEGAL_ARGUMENT, nullptr); - return Void(); - } - - sp<android::hardware::camera::device::V1_0::implementation::CameraDevice> device = - new android::hardware::camera::device::V1_0::implementation::CameraDevice( - mModule, cameraId, mCameraDeviceNames); - - if (device == nullptr) { - ALOGE("%s: cannot allocate camera device for id %s", __FUNCTION__, cameraId.c_str()); - _hidl_cb(Status::INTERNAL_ERROR, nullptr); - return Void(); - } - - if (device->isInitFailed()) { - ALOGE("%s: camera device %s init failed!", __FUNCTION__, cameraId.c_str()); - device = nullptr; - _hidl_cb(Status::INTERNAL_ERROR, nullptr); - return Void(); - } - - _hidl_cb (Status::OK, device); - return Void(); -} - -Return<void> CameraProvider::getCameraDeviceInterface_V3_x( - const hidl_string& cameraDeviceName, getCameraDeviceInterface_V3_x_cb _hidl_cb) { - std::string cameraId, deviceVersion; - bool match = matchDeviceName(cameraDeviceName, &deviceVersion, &cameraId); - if (!match) { - _hidl_cb(Status::ILLEGAL_ARGUMENT, nullptr); - return Void(); - } - - std::string deviceName(cameraDeviceName.c_str()); - ssize_t index = mCameraDeviceNames.indexOf(std::make_pair(cameraId, deviceName)); - if (index == NAME_NOT_FOUND) { // Either an illegal name or a device version mismatch - Status status = Status::OK; - ssize_t idx = mCameraIds.indexOf(cameraId); - if (idx == NAME_NOT_FOUND) { - ALOGE("%s: cannot find camera %s!", __FUNCTION__, cameraId.c_str()); - status = Status::ILLEGAL_ARGUMENT; - } else { // invalid version - ALOGE("%s: camera device %s does not support version %s!", - __FUNCTION__, cameraId.c_str(), deviceVersion.c_str()); - status = Status::OPERATION_NOT_SUPPORTED; - } - _hidl_cb(status, nullptr); - return Void(); - } - - if (mCameraStatusMap.count(cameraId) == 0 || - mCameraStatusMap[cameraId] != CAMERA_DEVICE_STATUS_PRESENT) { - _hidl_cb(Status::ILLEGAL_ARGUMENT, nullptr); - return Void(); - } - - sp<android::hardware::camera::device::V3_2::implementation::CameraDevice> device = - new android::hardware::camera::device::V3_2::implementation::CameraDevice( - mModule, cameraId, mCameraDeviceNames); - - if (device == nullptr) { - ALOGE("%s: cannot allocate camera device for id %s", __FUNCTION__, cameraId.c_str()); - _hidl_cb(Status::INTERNAL_ERROR, nullptr); - return Void(); - } - - if (device->isInitFailed()) { - ALOGE("%s: camera device %s init failed!", __FUNCTION__, cameraId.c_str()); - device = nullptr; - _hidl_cb(Status::INTERNAL_ERROR, nullptr); - return Void(); - } - - _hidl_cb (Status::OK, device); - return Void(); -} - -ICameraProvider* HIDL_FETCH_ICameraProvider(const char* name) { - if (strcmp(name, kLegacyProviderName) != 0) { - return nullptr; - } - CameraProvider* provider = new CameraProvider(); - if (provider == nullptr) { - ALOGE("%s: cannot allocate camera provider!", __FUNCTION__); - return nullptr; - } - if (provider->isInitFailed()) { - ALOGE("%s: camera provider init failed!", __FUNCTION__); - delete provider; - return nullptr; - } - return provider; -} - -} // namespace implementation -} // namespace V2_4 -} // namespace provider -} // namespace camera -} // namespace hardware -} // namespace android |