cameraservice: Migrate all internal String8/String16s to std::string
String8 and String16 are deprecated classes. It is recommended to use
std::string or std::u16string wherever possible. String16 is the native
string class for aidl, but Strings marked @utf8InCpp can use std::string
directly.
This patch standardizes libcameraservice's use of strings to
std::string, which is capable of storing utf-8 strings. This makes the
code more readable and potentially reduces the number of string copies
to a minimum.
A new set of string utils is added to frameworks/av/camera to aid this
migration.
Change-Id: I59330ac03c8a52b6c21a2388bba0c143e68af4cf
Bug: 265487852
Test: Presubmit, ran CtsCameraTestCases on Cuttlefish, adb shell dumpsys media camera and observed output
diff --git a/services/camera/libcameraservice/tests/CameraPermissionsTest.cpp b/services/camera/libcameraservice/tests/CameraPermissionsTest.cpp
index 731eebf..db43a02 100644
--- a/services/camera/libcameraservice/tests/CameraPermissionsTest.cpp
+++ b/services/camera/libcameraservice/tests/CameraPermissionsTest.cpp
@@ -37,17 +37,18 @@
public:
virtual ~TestCameraServiceListener() {};
- virtual binder::Status onStatusChanged(int32_t , const String16&) {
+ virtual binder::Status onStatusChanged(int32_t , const std::string&) {
return binder::Status::ok();
};
virtual binder::Status onPhysicalCameraStatusChanged(int32_t /*status*/,
- const String16& /*cameraId*/, const String16& /*physicalCameraId*/) {
+ const std::string& /*cameraId*/, const std::string& /*physicalCameraId*/) {
// No op
return binder::Status::ok();
};
- virtual binder::Status onTorchStatusChanged(int32_t /*status*/, const String16& /*cameraId*/) {
+ virtual binder::Status onTorchStatusChanged(int32_t /*status*/,
+ const std::string& /*cameraId*/) {
return binder::Status::ok();
};
@@ -56,18 +57,18 @@
return binder::Status::ok();
}
- virtual binder::Status onCameraOpened(const String16& /*cameraId*/,
- const String16& /*clientPackageName*/) {
+ virtual binder::Status onCameraOpened(const std::string& /*cameraId*/,
+ const std::string& /*clientPackageName*/) {
// No op
return binder::Status::ok();
}
- virtual binder::Status onCameraClosed(const String16& /*cameraId*/) {
+ virtual binder::Status onCameraClosed(const std::string& /*cameraId*/) {
// No op
return binder::Status::ok();
}
- virtual binder::Status onTorchStrengthLevelChanged(const String16& /*cameraId*/,
+ virtual binder::Status onTorchStrengthLevelChanged(const std::string& /*cameraId*/,
int32_t /*torchStrength*/) {
// No op
return binder::Status::ok();
@@ -123,13 +124,13 @@
mCameraDisabled(false), mOverrideCameraDisabled(false)
{ }
- virtual binder::Status getRotateAndCropOverride(const String16& packageName, int lensFacing,
+ virtual binder::Status getRotateAndCropOverride(const std::string& packageName, int lensFacing,
int userId, int *ret) override {
return mCameraServiceProxy->getRotateAndCropOverride(packageName, lensFacing,
userId, ret);
}
- virtual binder::Status getAutoframingOverride(const String16& packageName, int *ret) override {
+ virtual binder::Status getAutoframingOverride(const std::string& packageName, int *ret) override {
return mCameraServiceProxy->getAutoframingOverride(packageName, ret);
}
@@ -224,7 +225,7 @@
sp<TestCameraDeviceCallbacks> callbacks = new TestCameraDeviceCallbacks();
sp<hardware::camera2::ICameraDeviceUser> device;
binder::Status status =
- sCameraService->connectDevice(callbacks, String16(s.cameraId), String16(), {},
+ sCameraService->connectDevice(callbacks, s.cameraId, std::string(), {},
android::CameraService::USE_CALLING_UID, 0/*oomScoreDiff*/,
/*targetSdkVersion*/__ANDROID_API_FUTURE__, /*overrideToPortrait*/false, &device);
AutoDisconnectDevice autoDisconnect(device);
@@ -238,7 +239,7 @@
sp<TestCameraDeviceCallbacks> callbacks = new TestCameraDeviceCallbacks();
sp<hardware::camera2::ICameraDeviceUser> device;
binder::Status status =
- sCameraService->connectDevice(callbacks, String16(s.cameraId), String16(), {},
+ sCameraService->connectDevice(callbacks, s.cameraId, std::string(), {},
android::CameraService::USE_CALLING_UID, 0/*oomScoreDiff*/,
/*targetSdkVersion*/__ANDROID_API_FUTURE__, /*overrideToPortrait*/false, &device);
AutoDisconnectDevice autoDisconnect(device);
@@ -257,14 +258,14 @@
sp<TestCameraDeviceCallbacks> callbacks = new TestCameraDeviceCallbacks();
sp<hardware::camera2::ICameraDeviceUser> deviceA, deviceB;
binder::Status status =
- sCameraService->connectDevice(callbacks, String16(s.cameraId), String16(), {},
+ sCameraService->connectDevice(callbacks, s.cameraId, std::string(), {},
android::CameraService::USE_CALLING_UID, 0/*oomScoreDiff*/,
/*targetSdkVersion*/__ANDROID_API_FUTURE__, /*overrideToPortrait*/false, &deviceA);
AutoDisconnectDevice autoDisconnectA(deviceA);
ASSERT_TRUE(status.isOk()) << "Exception code " << status.exceptionCode() <<
" service specific error code " << status.serviceSpecificErrorCode();
status =
- sCameraService->connectDevice(callbacks, String16(s.cameraId), String16(), {},
+ sCameraService->connectDevice(callbacks, s.cameraId, std::string(), {},
android::CameraService::USE_CALLING_UID, 0/*oomScoreDiff*/,
/*targetSdkVersion*/__ANDROID_API_FUTURE__, /*overrideToPortrait*/false, &deviceB);
AutoDisconnectDevice autoDisconnectB(deviceB);
@@ -285,14 +286,14 @@
sp<TestCameraDeviceCallbacks> callbacks = new TestCameraDeviceCallbacks();
sp<hardware::camera2::ICameraDeviceUser> deviceA, deviceB;
binder::Status status =
- sCameraService->connectDevice(callbacks, String16(s.cameraId), String16(), {},
+ sCameraService->connectDevice(callbacks, s.cameraId, std::string(), {},
android::CameraService::USE_CALLING_UID, 0/*oomScoreDiff*/,
/*targetSdkVersion*/__ANDROID_API_FUTURE__, /*overrideToPortrait*/false, &deviceA);
AutoDisconnectDevice autoDisconnectA(deviceA);
ASSERT_TRUE(status.isOk()) << "Exception code " << status.exceptionCode() <<
" service specific error code " << status.serviceSpecificErrorCode();
status =
- sCameraService->connectDevice(callbacks, String16(s.cameraId), String16(), {},
+ sCameraService->connectDevice(callbacks, s.cameraId, std::string(), {},
android::CameraService::USE_CALLING_UID, 1/*oomScoreDiff*/,
/*targetSdkVersion*/__ANDROID_API_FUTURE__, /*overrideToPortrait*/false, &deviceB);
AutoDisconnectDevice autoDisconnectB(deviceB);
diff --git a/services/camera/libcameraservice/tests/CameraProviderManagerTest.cpp b/services/camera/libcameraservice/tests/CameraProviderManagerTest.cpp
index 1a6b2e0..c0cd1a9 100644
--- a/services/camera/libcameraservice/tests/CameraProviderManagerTest.cpp
+++ b/services/camera/libcameraservice/tests/CameraProviderManagerTest.cpp
@@ -302,15 +302,15 @@
~TestStatusListener() {}
- void onDeviceStatusChanged(const String8 &,
+ void onDeviceStatusChanged(const std::string &,
CameraDeviceStatus) override {}
- void onDeviceStatusChanged(const String8 &, const String8 &,
+ void onDeviceStatusChanged(const std::string &, const std::string &,
CameraDeviceStatus) override {
mPhysicalCameraStatusChangeCount++;
}
- void onTorchStatusChanged(const String8 &,
+ void onTorchStatusChanged(const std::string &,
TorchModeStatus) override {}
- void onTorchStatusChanged(const String8 &,
+ void onTorchStatusChanged(const std::string &,
TorchModeStatus, SystemCameraKind) override {}
void onNewProviderRegistered() override {}
};
diff --git a/services/camera/libcameraservice/tests/DistortionMapperTest.cpp b/services/camera/libcameraservice/tests/DistortionMapperTest.cpp
index b367571..33cc61a 100644
--- a/services/camera/libcameraservice/tests/DistortionMapperTest.cpp
+++ b/services/camera/libcameraservice/tests/DistortionMapperTest.cpp
@@ -19,8 +19,8 @@
#include <random>
+#include <fmt/printf.h>
#include <gtest/gtest.h>
-#include <android-base/stringprintf.h>
#include <android-base/chrono_utils.h>
#include "../device3/DistortionMapper.h"
@@ -260,9 +260,9 @@
rawToCorrectedDurationMs) / (randCoords.size() / 2) ).count();
test->RecordProperty("CorrectedToRawDurationPerCoordUs",
- base::StringPrintf("%f", correctedToRawDurationPerCoordUs));
+ fmt::sprintf("%f", correctedToRawDurationPerCoordUs));
test->RecordProperty("RawToCorrectedDurationPerCoordUs",
- base::StringPrintf("%f", rawToCorrectedDurationPerCoordUs));
+ fmt::sprintf("%f", rawToCorrectedDurationPerCoordUs));
// Calculate mapping errors after round trip
float totalErrorSq = 0;
@@ -296,9 +296,9 @@
}
float rmsError = std::sqrt(totalErrorSq / randCoords.size());
- test->RecordProperty("RmsError", base::StringPrintf("%f", rmsError));
+ test->RecordProperty("RmsError", fmt::sprintf("%f", rmsError));
for (size_t i = 0; i < histogram.size(); i++) {
- std::string label = base::StringPrintf("HistogramBin[%f,%f)",
+ std::string label = fmt::sprintf("HistogramBin[%f,%f)",
(float)i/bucketsPerPixel, (float)(i + 1)/bucketsPerPixel);
test->RecordProperty(label, histogram[i]);
}