diff options
Diffstat (limited to 'automotive/evs/1.1/default/ConfigManager.cpp')
| -rw-r--r-- | automotive/evs/1.1/default/ConfigManager.cpp | 487 |
1 files changed, 0 insertions, 487 deletions
diff --git a/automotive/evs/1.1/default/ConfigManager.cpp b/automotive/evs/1.1/default/ConfigManager.cpp deleted file mode 100644 index 4f46f9dbca..0000000000 --- a/automotive/evs/1.1/default/ConfigManager.cpp +++ /dev/null @@ -1,487 +0,0 @@ -/* - * Copyright (C) 2019 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. - */ - -#include <sstream> -#include <fstream> -#include <thread> - -#include <hardware/gralloc.h> -#include <utils/SystemClock.h> -#include <android/hardware/camera/device/3.2/ICameraDevice.h> - -#include "ConfigManager.h" - -using ::android::hardware::camera::device::V3_2::StreamRotation; - - -ConfigManager::~ConfigManager() { - /* Nothing to do */ -} - - -void ConfigManager::readCameraInfo(const XMLElement * const aCameraElem) { - if (aCameraElem == nullptr) { - ALOGW("XML file does not have required camera element"); - return; - } - - const XMLElement *curElem = aCameraElem->FirstChildElement(); - while (curElem != nullptr) { - if (!strcmp(curElem->Name(), "group")) { - /* camera group identifier */ - const char *group_id = curElem->FindAttribute("group_id")->Value(); - - /* create CameraGroup */ - unique_ptr<ConfigManager::CameraGroup> aCameraGroup(new ConfigManager::CameraGroup()); - - /* add a camera device to its group */ - addCameraDevices(curElem->FindAttribute("device_id")->Value(), aCameraGroup); - - /* a list of camera stream configurations */ - const XMLElement *childElem = - curElem->FirstChildElement("caps")->FirstChildElement("stream"); - while (childElem != nullptr) { - /* read 5 attributes */ - const XMLAttribute *idAttr = childElem->FindAttribute("id"); - const XMLAttribute *widthAttr = childElem->FindAttribute("width"); - const XMLAttribute *heightAttr = childElem->FindAttribute("height"); - const XMLAttribute *fmtAttr = childElem->FindAttribute("format"); - const XMLAttribute *fpsAttr = childElem->FindAttribute("framerate"); - - const int32_t id = stoi(idAttr->Value()); - int32_t framerate = 0; - if (fpsAttr != nullptr) { - framerate = stoi(fpsAttr->Value()); - } - - int32_t pixFormat; - if (ConfigManagerUtil::convertToPixelFormat(fmtAttr->Value(), - pixFormat)) { - RawStreamConfiguration cfg = { - id, - stoi(widthAttr->Value()), - stoi(heightAttr->Value()), - pixFormat, - ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS_OUTPUT, - framerate - }; - aCameraGroup->streamConfigurations[id] = cfg; - } - - childElem = childElem->NextSiblingElement("stream"); - } - - /* camera group synchronization */ - const char *sync = curElem->FindAttribute("synchronized")->Value(); - aCameraGroup->synchronized = - static_cast<bool>(strcmp(sync, "false")); - - /* add a group to hash map */ - mCameraGroups[group_id] = std::move(aCameraGroup); - } else if (!strcmp(curElem->Name(), "device")) { - /* camera unique identifier */ - const char *id = curElem->FindAttribute("id")->Value(); - - /* camera mount location */ - const char *pos = curElem->FindAttribute("position")->Value(); - - /* store read camera module information */ - mCameraInfo[id] = readCameraDeviceInfo(curElem); - - /* assign a camera device to a position group */ - mCameraPosition[pos].emplace(id); - } else { - /* ignore other device types */ - ALOGD("Unknown element %s is ignored", curElem->Name()); - } - - curElem = curElem->NextSiblingElement(); - } -} - - -unique_ptr<ConfigManager::CameraInfo> -ConfigManager::readCameraDeviceInfo(const XMLElement *aDeviceElem) { - if (aDeviceElem == nullptr) { - return nullptr; - } - - /* create a CameraInfo to be filled */ - unique_ptr<ConfigManager::CameraInfo> aCamera(new ConfigManager::CameraInfo()); - - /* size information to allocate camera_metadata_t */ - size_t totalEntries = 0; - size_t totalDataSize = 0; - - /* read device capabilities */ - totalEntries += - readCameraCapabilities(aDeviceElem->FirstChildElement("caps"), - aCamera, - totalDataSize); - - - /* read camera metadata */ - totalEntries += - readCameraMetadata(aDeviceElem->FirstChildElement("characteristics"), - aCamera, - totalDataSize); - - /* construct camera_metadata_t */ - if (!constructCameraMetadata(aCamera, totalEntries, totalDataSize)) { - ALOGW("Either failed to allocate memory or " - "allocated memory was not large enough"); - } - - return aCamera; -} - - -size_t ConfigManager::readCameraCapabilities(const XMLElement * const aCapElem, - unique_ptr<ConfigManager::CameraInfo> &aCamera, - size_t &dataSize) { - if (aCapElem == nullptr) { - return 0; - } - - string token; - const XMLElement *curElem = nullptr; - - /* a list of supported camera parameters/controls */ - curElem = aCapElem->FirstChildElement("supported_controls"); - if (curElem != nullptr) { - const XMLElement *ctrlElem = curElem->FirstChildElement("control"); - while (ctrlElem != nullptr) { - const char *nameAttr = ctrlElem->FindAttribute("name")->Value();; - const int32_t minVal = stoi(ctrlElem->FindAttribute("min")->Value()); - const int32_t maxVal = stoi(ctrlElem->FindAttribute("max")->Value()); - - int32_t stepVal = 1; - const XMLAttribute *stepAttr = ctrlElem->FindAttribute("step"); - if (stepAttr != nullptr) { - stepVal = stoi(stepAttr->Value()); - } - - CameraParam aParam; - if (ConfigManagerUtil::convertToEvsCameraParam(nameAttr, - aParam)) { - aCamera->controls.emplace( - aParam, - make_tuple(minVal, maxVal, stepVal) - ); - } - - ctrlElem = ctrlElem->NextSiblingElement("control"); - } - } - - /* a list of camera stream configurations */ - curElem = aCapElem->FirstChildElement("stream"); - while (curElem != nullptr) { - /* read 5 attributes */ - const XMLAttribute *idAttr = curElem->FindAttribute("id"); - const XMLAttribute *widthAttr = curElem->FindAttribute("width"); - const XMLAttribute *heightAttr = curElem->FindAttribute("height"); - const XMLAttribute *fmtAttr = curElem->FindAttribute("format"); - const XMLAttribute *fpsAttr = curElem->FindAttribute("framerate"); - - const int32_t id = stoi(idAttr->Value()); - int32_t framerate = 0; - if (fpsAttr != nullptr) { - framerate = stoi(fpsAttr->Value()); - } - - int32_t pixFormat; - if (ConfigManagerUtil::convertToPixelFormat(fmtAttr->Value(), - pixFormat)) { - RawStreamConfiguration cfg = { - id, - stoi(widthAttr->Value()), - stoi(heightAttr->Value()), - pixFormat, - ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS_OUTPUT, - framerate - }; - aCamera->streamConfigurations[id] = cfg; - } - - curElem = curElem->NextSiblingElement("stream"); - } - - dataSize = calculate_camera_metadata_entry_data_size( - get_camera_metadata_tag_type( - ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS - ), - aCamera->streamConfigurations.size() * kStreamCfgSz - ); - - /* a single camera metadata entry contains multiple stream configurations */ - return dataSize > 0 ? 1 : 0; -} - - -size_t ConfigManager::readCameraMetadata(const XMLElement * const aParamElem, - unique_ptr<ConfigManager::CameraInfo> &aCamera, - size_t &dataSize) { - if (aParamElem == nullptr) { - return 0; - } - - const XMLElement *curElem = aParamElem->FirstChildElement("parameter"); - size_t numEntries = 0; - camera_metadata_tag_t tag; - while (curElem != nullptr) { - if (!ConfigManagerUtil::convertToMetadataTag(curElem->FindAttribute("name")->Value(), - tag)) { - switch(tag) { - case ANDROID_LENS_DISTORTION: - case ANDROID_LENS_POSE_ROTATION: - case ANDROID_LENS_POSE_TRANSLATION: - case ANDROID_LENS_INTRINSIC_CALIBRATION: { - /* float[] */ - size_t count = 0; - void *data = ConfigManagerUtil::convertFloatArray( - curElem->FindAttribute("size")->Value(), - curElem->FindAttribute("value")->Value(), - count - ); - - aCamera->cameraMetadata[tag] = - make_pair(make_unique<void *>(data), count); - - ++numEntries; - dataSize += calculate_camera_metadata_entry_data_size( - get_camera_metadata_tag_type(tag), count - ); - - break; - } - - default: - ALOGW("Parameter %s is not supported", - curElem->FindAttribute("name")->Value()); - break; - } - } - - curElem = curElem->NextSiblingElement("parameter"); - } - - return numEntries; -} - - -bool ConfigManager::constructCameraMetadata(unique_ptr<CameraInfo> &aCamera, - const size_t totalEntries, - const size_t totalDataSize) { - if (!aCamera->allocate(totalEntries, totalDataSize)) { - ALOGE("Failed to allocate memory for camera metadata"); - return false; - } - - const size_t numStreamConfigs = aCamera->streamConfigurations.size(); - unique_ptr<int32_t[]> data(new int32_t[kStreamCfgSz * numStreamConfigs]); - int32_t *ptr = data.get(); - for (auto &cfg : aCamera->streamConfigurations) { - for (auto i = 0; i < kStreamCfgSz; ++i) { - *ptr++ = cfg.second[i]; - } - } - int32_t err = add_camera_metadata_entry(aCamera->characteristics, - ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS, - data.get(), - numStreamConfigs * kStreamCfgSz); - - if (err) { - ALOGE("Failed to add stream configurations to metadata, ignored"); - return false; - } - - bool success = true; - for (auto &[tag, entry] : aCamera->cameraMetadata) { - /* try to add new camera metadata entry */ - int32_t err = add_camera_metadata_entry(aCamera->characteristics, - tag, - entry.first.get(), - entry.second); - if (err) { - ALOGE("Failed to add an entry with a tag 0x%X", tag); - - /* may exceed preallocated capacity */ - ALOGE("Camera metadata has %ld / %ld entries and %ld / %ld bytes are filled", - get_camera_metadata_entry_count(aCamera->characteristics), - get_camera_metadata_entry_capacity(aCamera->characteristics), - get_camera_metadata_data_count(aCamera->characteristics), - get_camera_metadata_data_capacity(aCamera->characteristics)); - ALOGE("\tCurrent metadata entry requires %ld bytes", - calculate_camera_metadata_entry_data_size(tag, entry.second)); - - success = false; - } - } - - ALOGV("Camera metadata has %ld / %ld entries and %ld / %ld bytes are filled", - get_camera_metadata_entry_count(aCamera->characteristics), - get_camera_metadata_entry_capacity(aCamera->characteristics), - get_camera_metadata_data_count(aCamera->characteristics), - get_camera_metadata_data_capacity(aCamera->characteristics)); - - return success; -} - - -void ConfigManager::readSystemInfo(const XMLElement * const aSysElem) { - if (aSysElem == nullptr) { - return; - } - - /* - * Please note that this function assumes that a given system XML element - * and its child elements follow DTD. If it does not, it will cause a - * segmentation fault due to the failure of finding expected attributes. - */ - - /* read number of cameras available in the system */ - const XMLElement *xmlElem = aSysElem->FirstChildElement("num_cameras"); - if (xmlElem != nullptr) { - mSystemInfo.numCameras = - stoi(xmlElem->FindAttribute("value")->Value()); - } -} - - -void ConfigManager::readDisplayInfo(const XMLElement * const aDisplayElem) { - if (aDisplayElem == nullptr) { - ALOGW("XML file does not have required camera element"); - return; - } - - const XMLElement *curDev = aDisplayElem->FirstChildElement("device"); - while (curDev != nullptr) { - const char *id = curDev->FindAttribute("id")->Value(); - //const char *pos = curDev->FirstAttribute("position")->Value(); - - unique_ptr<DisplayInfo> dpy(new DisplayInfo()); - if (dpy == nullptr) { - ALOGE("Failed to allocate memory for DisplayInfo"); - return; - } - - const XMLElement *cap = curDev->FirstChildElement("caps"); - if (cap != nullptr) { - const XMLElement *curStream = cap->FirstChildElement("stream"); - while (curStream != nullptr) { - /* read 4 attributes */ - const XMLAttribute *idAttr = curStream->FindAttribute("id"); - const XMLAttribute *widthAttr = curStream->FindAttribute("width"); - const XMLAttribute *heightAttr = curStream->FindAttribute("height"); - const XMLAttribute *fmtAttr = curStream->FindAttribute("format"); - - const int32_t id = stoi(idAttr->Value()); - int32_t pixFormat; - if (ConfigManagerUtil::convertToPixelFormat(fmtAttr->Value(), - pixFormat)) { - RawStreamConfiguration cfg = { - id, - stoi(widthAttr->Value()), - stoi(heightAttr->Value()), - pixFormat, - ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS_INPUT, - 0 // unused - }; - dpy->streamConfigurations[id] = cfg; - } - - curStream = curStream->NextSiblingElement("stream"); - } - } - - mDisplayInfo[id] = std::move(dpy); - curDev = curDev->NextSiblingElement("device"); - } - - return; -} - - -bool ConfigManager::readConfigDataFromXML() noexcept { - XMLDocument xmlDoc; - - const int64_t parsingStart = android::elapsedRealtimeNano(); - - /* load and parse a configuration file */ - xmlDoc.LoadFile(mConfigFilePath); - if (xmlDoc.ErrorID() != XML_SUCCESS) { - ALOGE("Failed to load and/or parse a configuration file, %s", xmlDoc.ErrorStr()); - return false; - } - - /* retrieve the root element */ - const XMLElement *rootElem = xmlDoc.RootElement(); - if (strcmp(rootElem->Name(), "configuration")) { - ALOGE("A configuration file is not in the required format. " - "See /etc/automotive/evs/evs_configuration.dtd"); - return false; - } - - /* - * parse camera information; this needs to be done before reading system - * information - */ - readCameraInfo(rootElem->FirstChildElement("camera")); - - /* parse system information */ - readSystemInfo(rootElem->FirstChildElement("system")); - - /* parse display information */ - readDisplayInfo(rootElem->FirstChildElement("display")); - - const int64_t parsingEnd = android::elapsedRealtimeNano(); - ALOGI("Parsing configuration file takes %lf (ms)", - (double)(parsingEnd - parsingStart) / 1000000.0); - - - return true; -} - - -void ConfigManager::addCameraDevices(const char *devices, - unique_ptr<CameraGroup> &aGroup) { - stringstream device_list(devices); - string token; - while (getline(device_list, token, ',')) { - aGroup->devices.emplace(token); - } -} - - -std::unique_ptr<ConfigManager> ConfigManager::Create(const char *path) { - unique_ptr<ConfigManager> cfgMgr(new ConfigManager(path)); - - /* - * Read a configuration from XML file - * - * If this is too slow, ConfigManager::readConfigDataFromBinary() and - * ConfigManager::writeConfigDataToBinary()can serialize CameraInfo object - * to the filesystem and construct CameraInfo instead; this was - * evaluated as 10x faster. - */ - if (!cfgMgr->readConfigDataFromXML()) { - return nullptr; - } else { - return cfgMgr; - } -} - |