Add EVS Camera Device Type to the Default Implementation
Test: Build
Bug: 277861838
Change-Id: I8f9c076e0d03f541587015c71aeb8a9335d37733
diff --git a/automotive/evs/aidl/impl/default/include/ConfigManager.h b/automotive/evs/aidl/impl/default/include/ConfigManager.h
index 1d5fe77..37a17dc 100644
--- a/automotive/evs/aidl/impl/default/include/ConfigManager.h
+++ b/automotive/evs/aidl/impl/default/include/ConfigManager.h
@@ -25,8 +25,10 @@
#include <tinyxml2.h>
+#include <limits>
#include <string>
#include <string_view>
+#include <type_traits>
#include <unordered_map>
#include <unordered_set>
#include <vector>
@@ -54,6 +56,15 @@
/* Camera device's capabilities and metadata */
class CameraInfo {
public:
+ enum class DeviceType : std::int32_t {
+ NONE = 0,
+ MOCK = 1,
+ V4L2 = 2,
+ VIDEO = 3,
+
+ UNKNOWN = std::numeric_limits<std::underlying_type_t<DeviceType>>::max(),
+ };
+
CameraInfo() : characteristics(nullptr) {}
virtual ~CameraInfo();
@@ -69,6 +80,10 @@
return characteristics != nullptr;
}
+ static DeviceType deviceTypeFromSV(const std::string_view sv);
+
+ DeviceType deviceType{DeviceType::NONE};
+
/*
* List of supported controls that the primary client can program.
* Paraemters are stored with its valid range
diff --git a/automotive/evs/aidl/impl/default/src/ConfigManager.cpp b/automotive/evs/aidl/impl/default/src/ConfigManager.cpp
index da791ed..ba4cdc0 100644
--- a/automotive/evs/aidl/impl/default/src/ConfigManager.cpp
+++ b/automotive/evs/aidl/impl/default/src/ConfigManager.cpp
@@ -40,6 +40,18 @@
std::string_view ConfigManager::sConfigOverridePath =
"/vendor/etc/automotive/evs/evs_configuration_override.xml";
+ConfigManager::CameraInfo::DeviceType ConfigManager::CameraInfo::deviceTypeFromSV(
+ const std::string_view sv) {
+ using namespace std::string_view_literals;
+ static const std::unordered_map<std::string_view, DeviceType> nameToType = {
+ {"mock"sv, DeviceType::MOCK},
+ {"v4l2"sv, DeviceType::V4L2},
+ {"video"sv, DeviceType::VIDEO},
+ };
+ const auto search = nameToType.find(sv);
+ return search == nameToType.end() ? DeviceType::UNKNOWN : search->second;
+}
+
void ConfigManager::printElementNames(const XMLElement* rootElem, const std::string& prefix) const {
const XMLElement* curElem = rootElem;
@@ -128,6 +140,10 @@
return false;
}
+ if (const auto typeAttr = aDeviceElem->FindAttribute("type")) {
+ aCamera->deviceType = CameraInfo::deviceTypeFromSV(typeAttr->Value());
+ }
+
/* size information to allocate camera_metadata_t */
size_t totalEntries = 0;
size_t totalDataSize = 0;
diff --git a/automotive/evs/aidl/impl/default/src/EvsEnumerator.cpp b/automotive/evs/aidl/impl/default/src/EvsEnumerator.cpp
index 5178958..3a81346 100644
--- a/automotive/evs/aidl/impl/default/src/EvsEnumerator.cpp
+++ b/automotive/evs/aidl/impl/default/src/EvsEnumerator.cpp
@@ -253,7 +253,22 @@
if (!sConfigManager) {
pActiveCamera = EvsMockCamera::Create(id.data());
} else {
- pActiveCamera = EvsMockCamera::Create(id.data(), sConfigManager->getCameraInfo(id), &cfg);
+ auto& cameraInfo = sConfigManager->getCameraInfo(id);
+ switch (cameraInfo->deviceType) {
+ using DeviceType = ConfigManager::CameraInfo::DeviceType;
+
+ // Default to MOCK for backward compatibility.
+ case DeviceType::NONE:
+ case DeviceType::MOCK:
+ pActiveCamera = EvsMockCamera::Create(id.data(), cameraInfo, &cfg);
+ break;
+
+ default:
+ LOG(ERROR) << __func__ << ": camera device type "
+ << static_cast<std::int32_t>(cameraInfo->deviceType)
+ << " is not supported.";
+ break;
+ }
}
pRecord->activeInstance = pActiveCamera;