blob: 828a75818a2ff8c0ed68080c0be22e0085604966 [file] [log] [blame]
/*
* Copyright (C) 2015 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_NDEBUG 0
#define LOG_TAG "CameraBinderTests"
#include <binder/IInterface.h>
#include <binder/IServiceManager.h>
#include <binder/Parcel.h>
#include <binder/ProcessState.h>
#include <utils/Errors.h>
#include <utils/Log.h>
#include <utils/List.h>
#include <utils/String8.h>
#include <utils/String16.h>
#include <utils/Condition.h>
#include <utils/Mutex.h>
#include <system/graphics.h>
#include <hardware/gralloc.h>
#include <camera/CameraMetadata.h>
#include <android/hardware/ICameraService.h>
#include <android/hardware/ICameraServiceListener.h>
#include <android/hardware/BnCameraServiceListener.h>
#include <android/hardware/camera2/ICameraDeviceUser.h>
#include <android/hardware/camera2/ICameraDeviceCallbacks.h>
#include <android/hardware/camera2/BnCameraDeviceCallbacks.h>
#include <camera/camera2/CaptureRequest.h>
#include <camera/camera2/OutputConfiguration.h>
#include <camera/camera2/SubmitInfo.h>
#include <gui/BufferItemConsumer.h>
#include <gui/IGraphicBufferProducer.h>
#include <gui/Surface.h>
#include <gtest/gtest.h>
#include <unistd.h>
#include <stdint.h>
#include <utility>
#include <vector>
#include <map>
#include <algorithm>
using namespace android;
#define ASSERT_NOT_NULL(x) \
ASSERT_TRUE((x) != nullptr)
#define SETUP_TIMEOUT 2000000000 // ns
#define IDLE_TIMEOUT 2000000000 // ns
// Stub listener implementation
class TestCameraServiceListener : public hardware::BnCameraServiceListener {
std::map<String16, int32_t> mCameraTorchStatuses;
std::map<int32_t, int32_t> mCameraStatuses;
mutable Mutex mLock;
mutable Condition mCondition;
mutable Condition mTorchCondition;
public:
virtual ~TestCameraServiceListener() {};
virtual binder::Status onStatusChanged(int32_t status, int32_t cameraId) {
Mutex::Autolock l(mLock);
mCameraStatuses[cameraId] = status;
mCondition.broadcast();
return binder::Status::ok();
};
virtual binder::Status onTorchStatusChanged(int32_t status, const String16& cameraId) {
Mutex::Autolock l(mLock);
mCameraTorchStatuses[cameraId] = status;
mTorchCondition.broadcast();
return binder::Status::ok();
};
bool waitForNumCameras(size_t num) const {
Mutex::Autolock l(mLock);
if (mCameraStatuses.size() == num) {
return true;
}
while (mCameraStatuses.size() < num) {
if (mCondition.waitRelative(mLock, SETUP_TIMEOUT) != OK) {
return false;
}
}
return true;
};
bool waitForTorchState(int32_t status, int32_t cameraId) const {
Mutex::Autolock l(mLock);
const auto& iter = mCameraTorchStatuses.find(String16(String8::format("%d", cameraId)));
if (iter != mCameraTorchStatuses.end() && iter->second == status) {
return true;
}
bool foundStatus = false;
while (!foundStatus) {
if (mTorchCondition.waitRelative(mLock, SETUP_TIMEOUT) != OK) {
return false;
}
const auto& iter =
mCameraTorchStatuses.find(String16(String8::format("%d", cameraId)));
foundStatus = (iter != mCameraTorchStatuses.end() && iter->second == status);
}
return true;
};
int32_t getTorchStatus(int32_t cameraId) const {
Mutex::Autolock l(mLock);
const auto& iter = mCameraTorchStatuses.find(String16(String8::format("%d", cameraId)));
if (iter == mCameraTorchStatuses.end()) {
return hardware::ICameraServiceListener::TORCH_STATUS_UNKNOWN;
}
return iter->second;
};
int32_t getStatus(int32_t cameraId) const {
Mutex::Autolock l(mLock);
const auto& iter = mCameraStatuses.find(cameraId);
if (iter == mCameraStatuses.end()) {
return hardware::ICameraServiceListener::STATUS_UNKNOWN;
}
return iter->second;
};
};
// Callback implementation
class TestCameraDeviceCallbacks : public hardware::camera2::BnCameraDeviceCallbacks {
public:
enum Status {
IDLE,
ERROR,
PREPARED,
RUNNING,
SENT_RESULT,
UNINITIALIZED,
REPEATING_REQUEST_ERROR,
};
protected:
bool mError;
int32_t mLastStatus;
mutable std::vector<int32_t> mStatusesHit;
mutable Mutex mLock;
mutable Condition mStatusCondition;
public:
TestCameraDeviceCallbacks() : mError(false), mLastStatus(UNINITIALIZED) {}
virtual ~TestCameraDeviceCallbacks() {}
virtual binder::Status onDeviceError(int errorCode,
const CaptureResultExtras& resultExtras) {
(void) resultExtras;
ALOGE("%s: onDeviceError occurred with: %d", __FUNCTION__, static_cast<int>(errorCode));
Mutex::Autolock l(mLock);
mError = true;
mLastStatus = ERROR;
mStatusesHit.push_back(mLastStatus);
mStatusCondition.broadcast();
return binder::Status::ok();
}
virtual binder::Status onDeviceIdle() {
Mutex::Autolock l(mLock);
mLastStatus = IDLE;
mStatusesHit.push_back(mLastStatus);
mStatusCondition.broadcast();
return binder::Status::ok();
}
virtual binder::Status onCaptureStarted(const CaptureResultExtras& resultExtras,
int64_t timestamp) {
(void) resultExtras;
(void) timestamp;
Mutex::Autolock l(mLock);
mLastStatus = RUNNING;
mStatusesHit.push_back(mLastStatus);
mStatusCondition.broadcast();
return binder::Status::ok();
}
virtual binder::Status onResultReceived(const CameraMetadata& metadata,
const CaptureResultExtras& resultExtras) {
(void) metadata;
(void) resultExtras;
Mutex::Autolock l(mLock);
mLastStatus = SENT_RESULT;
mStatusesHit.push_back(mLastStatus);
mStatusCondition.broadcast();
return binder::Status::ok();
}
virtual binder::Status onPrepared(int streamId) {
(void) streamId;
Mutex::Autolock l(mLock);
mLastStatus = PREPARED;
mStatusesHit.push_back(mLastStatus);
mStatusCondition.broadcast();
return binder::Status::ok();
}
virtual binder::Status onRepeatingRequestError(int64_t lastFrameNumber) {
(void) lastFrameNumber;
Mutex::Autolock l(mLock);
mLastStatus = REPEATING_REQUEST_ERROR;
mStatusesHit.push_back(mLastStatus);
mStatusCondition.broadcast();
return binder::Status::ok();
}
// Test helper functions:
bool hadError() const {
Mutex::Autolock l(mLock);
return mError;
}
bool waitForStatus(Status status) const {
Mutex::Autolock l(mLock);
if (mLastStatus == status) {
return true;
}
while (std::find(mStatusesHit.begin(), mStatusesHit.end(), status)
== mStatusesHit.end()) {
if (mStatusCondition.waitRelative(mLock, IDLE_TIMEOUT) != OK) {
mStatusesHit.clear();
return false;
}
}
mStatusesHit.clear();
return true;
}
void clearStatus() const {
Mutex::Autolock l(mLock);
mStatusesHit.clear();
}
bool waitForIdle() const {
return waitForStatus(IDLE);
}
};
namespace {
Mutex gLock;
class DeathNotifier : public IBinder::DeathRecipient
{
public:
DeathNotifier() {}
virtual void binderDied(const wp<IBinder>& /*who*/) {
ALOGV("binderDied");
Mutex::Autolock _l(gLock);
ALOGW("Camera service died!");
}
};
sp<DeathNotifier> gDeathNotifier;
}; // anonymous namespace
// Exercise basic binder calls for the camera service
TEST(CameraServiceBinderTest, CheckBinderCameraService) {
ProcessState::self()->startThreadPool();
sp<IServiceManager> sm = defaultServiceManager();
sp<IBinder> binder = sm->getService(String16("media.camera"));
ASSERT_NOT_NULL(binder);
if (gDeathNotifier == NULL) {
gDeathNotifier = new DeathNotifier();
}
binder->linkToDeath(gDeathNotifier);
sp<hardware::ICameraService> service =
interface_cast<hardware::ICameraService>(binder);
binder::Status res;
int32_t numCameras = 0;
res = service->getNumberOfCameras(hardware::ICameraService::CAMERA_TYPE_ALL, &numCameras);
EXPECT_TRUE(res.isOk()) << res;
EXPECT_LE(0, numCameras);
// Check listener binder calls
sp<TestCameraServiceListener> listener(new TestCameraServiceListener());
res = service->addListener(listener);
EXPECT_TRUE(res.isOk()) << res;
EXPECT_TRUE(listener->waitForNumCameras(numCameras));
for (int32_t i = 0; i < numCameras; i++) {
bool isSupported = false;
res = service->supportsCameraApi(i,
hardware::ICameraService::API_VERSION_2, &isSupported);
EXPECT_TRUE(res.isOk()) << res;
// We only care about binder calls for the Camera2 API. Camera1 is deprecated.
if (!isSupported) {
continue;
}
// Check metadata binder call
CameraMetadata metadata;
res = service->getCameraCharacteristics(i, &metadata);
EXPECT_TRUE(res.isOk()) << res;
EXPECT_FALSE(metadata.isEmpty());
// Make sure we're available, or skip device tests otherwise
int32_t s = listener->getStatus(i);
EXPECT_EQ(::android::hardware::ICameraServiceListener::STATUS_PRESENT, s);
if (s != ::android::hardware::ICameraServiceListener::STATUS_PRESENT) {
continue;
}
// Check connect binder calls
sp<TestCameraDeviceCallbacks> callbacks(new TestCameraDeviceCallbacks());
sp<hardware::camera2::ICameraDeviceUser> device;
res = service->connectDevice(callbacks, i, String16("meeeeeeeee!"),
hardware::ICameraService::USE_CALLING_UID, /*out*/&device);
EXPECT_TRUE(res.isOk()) << res;
ASSERT_NE(nullptr, device.get());
device->disconnect();
EXPECT_FALSE(callbacks->hadError());
int32_t torchStatus = listener->getTorchStatus(i);
if (torchStatus == hardware::ICameraServiceListener::TORCH_STATUS_AVAILABLE_OFF) {
// Check torch calls
res = service->setTorchMode(String16(String8::format("%d", i)),
/*enabled*/true, callbacks);
EXPECT_TRUE(res.isOk()) << res;
EXPECT_TRUE(listener->waitForTorchState(
hardware::ICameraServiceListener::TORCH_STATUS_AVAILABLE_ON, i));
res = service->setTorchMode(String16(String8::format("%d", i)),
/*enabled*/false, callbacks);
EXPECT_TRUE(res.isOk()) << res;
EXPECT_TRUE(listener->waitForTorchState(
hardware::ICameraServiceListener::TORCH_STATUS_AVAILABLE_OFF, i));
}
}
res = service->removeListener(listener);
EXPECT_TRUE(res.isOk()) << res;
}
// Test fixture for client focused binder tests
class CameraClientBinderTest : public testing::Test {
protected:
sp<hardware::ICameraService> service;
int32_t numCameras;
std::vector<std::pair<sp<TestCameraDeviceCallbacks>, sp<hardware::camera2::ICameraDeviceUser>>>
openDeviceList;
sp<TestCameraServiceListener> serviceListener;
std::pair<sp<TestCameraDeviceCallbacks>, sp<hardware::camera2::ICameraDeviceUser>>
openNewDevice(int deviceId) {
sp<TestCameraDeviceCallbacks> callbacks(new TestCameraDeviceCallbacks());
sp<hardware::camera2::ICameraDeviceUser> device;
{
SCOPED_TRACE("openNewDevice");
binder::Status res = service->connectDevice(callbacks, deviceId, String16("meeeeeeeee!"),
hardware::ICameraService::USE_CALLING_UID, /*out*/&device);
EXPECT_TRUE(res.isOk()) << res;
}
auto p = std::make_pair(callbacks, device);
openDeviceList.push_back(p);
return p;
}
void closeDevice(std::pair<sp<TestCameraDeviceCallbacks>,
sp<hardware::camera2::ICameraDeviceUser>>& p) {
if (p.second.get() != nullptr) {
binder::Status res = p.second->disconnect();
EXPECT_TRUE(res.isOk()) << res;
{
SCOPED_TRACE("closeDevice");
EXPECT_FALSE(p.first->hadError());
}
}
auto iter = std::find(openDeviceList.begin(), openDeviceList.end(), p);
if (iter != openDeviceList.end()) {
openDeviceList.erase(iter);
}
}
virtual void SetUp() {
ProcessState::self()->startThreadPool();
sp<IServiceManager> sm = defaultServiceManager();
sp<IBinder> binder = sm->getService(String16("media.camera"));
service = interface_cast<hardware::ICameraService>(binder);
serviceListener = new TestCameraServiceListener();
service->addListener(serviceListener);
service->getNumberOfCameras(hardware::ICameraService::CAMERA_TYPE_BACKWARD_COMPATIBLE,
&numCameras);
}
virtual void TearDown() {
service = nullptr;
numCameras = 0;
for (auto& p : openDeviceList) {
closeDevice(p);
}
}
};
TEST_F(CameraClientBinderTest, CheckBinderCameraDeviceUser) {
ASSERT_NOT_NULL(service);
EXPECT_TRUE(serviceListener->waitForNumCameras(numCameras));
for (int32_t i = 0; i < numCameras; i++) {
// Make sure we're available, or skip device tests otherwise
int32_t s = serviceListener->getStatus(i);
EXPECT_EQ(hardware::ICameraServiceListener::STATUS_PRESENT, s);
if (s != hardware::ICameraServiceListener::STATUS_PRESENT) {
continue;
}
binder::Status res;
auto p = openNewDevice(i);
sp<TestCameraDeviceCallbacks> callbacks = p.first;
sp<hardware::camera2::ICameraDeviceUser> device = p.second;
// Setup a buffer queue; I'm just using the vendor opaque format here as that is
// guaranteed to be present
sp<IGraphicBufferProducer> gbProducer;
sp<IGraphicBufferConsumer> gbConsumer;
BufferQueue::createBufferQueue(&gbProducer, &gbConsumer);
sp<BufferItemConsumer> opaqueConsumer = new BufferItemConsumer(gbConsumer,
GRALLOC_USAGE_SW_READ_NEVER, /*maxImages*/2, /*controlledByApp*/true);
EXPECT_TRUE(opaqueConsumer.get() != nullptr);
opaqueConsumer->setName(String8("nom nom nom"));
// Set to VGA dimens for default, as that is guaranteed to be present
EXPECT_EQ(OK, gbConsumer->setDefaultBufferSize(640, 480));
EXPECT_EQ(OK, gbConsumer->setDefaultBufferFormat(HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED));
sp<Surface> surface(new Surface(gbProducer, /*controlledByApp*/false));
OutputConfiguration output(gbProducer, /*rotation*/0);
// Can we configure?
res = device->beginConfigure();
EXPECT_TRUE(res.isOk()) << res;
status_t streamId;
res = device->createStream(output, &streamId);
EXPECT_TRUE(res.isOk()) << res;
EXPECT_LE(0, streamId);
res = device->endConfigure(/*isConstrainedHighSpeed*/ false);
EXPECT_TRUE(res.isOk()) << res;
EXPECT_FALSE(callbacks->hadError());
// Can we make requests?
CameraMetadata requestTemplate;
res = device->createDefaultRequest(/*preview template*/1,
/*out*/&requestTemplate);
EXPECT_TRUE(res.isOk()) << res;
hardware::camera2::CaptureRequest request;
request.mMetadata = requestTemplate;
request.mSurfaceList.add(surface);
request.mIsReprocess = false;
int64_t lastFrameNumber = 0;
int64_t lastFrameNumberPrev = 0;
callbacks->clearStatus();
hardware::camera2::utils::SubmitInfo info;
res = device->submitRequest(request, /*streaming*/true, /*out*/&info);
EXPECT_TRUE(res.isOk()) << res;
EXPECT_TRUE(callbacks->waitForStatus(TestCameraDeviceCallbacks::SENT_RESULT));
EXPECT_LE(0, info.mRequestId);
// Can we stop requests?
res = device->cancelRequest(info.mRequestId, /*out*/&lastFrameNumber);
EXPECT_TRUE(res.isOk()) << res;
EXPECT_TRUE(callbacks->waitForIdle());
EXPECT_FALSE(callbacks->hadError());
// Can we do it again?
lastFrameNumberPrev = info.mLastFrameNumber;
lastFrameNumber = 0;
requestTemplate.clear();
res = device->createDefaultRequest(hardware::camera2::ICameraDeviceUser::TEMPLATE_PREVIEW,
/*out*/&requestTemplate);
EXPECT_TRUE(res.isOk()) << res;
hardware::camera2::CaptureRequest request2;
request2.mMetadata = requestTemplate;
request2.mSurfaceList.add(surface);
request2.mIsReprocess = false;
callbacks->clearStatus();
hardware::camera2::utils::SubmitInfo info2;
res = device->submitRequest(request2, /*streaming*/true,
/*out*/&info2);
EXPECT_TRUE(res.isOk()) << res;
EXPECT_EQ(hardware::camera2::ICameraDeviceUser::NO_IN_FLIGHT_REPEATING_FRAMES,
info2.mLastFrameNumber);
lastFrameNumber = 0;
EXPECT_TRUE(callbacks->waitForStatus(TestCameraDeviceCallbacks::SENT_RESULT));
EXPECT_LE(0, info2.mRequestId);
res = device->cancelRequest(info2.mRequestId, /*out*/&lastFrameNumber);
EXPECT_TRUE(res.isOk()) << res;
EXPECT_TRUE(callbacks->waitForIdle());
EXPECT_LE(lastFrameNumberPrev, lastFrameNumber);
sleep(/*second*/1); // allow some time for errors to show up, if any
EXPECT_FALSE(callbacks->hadError());
// Can we do it with a request list?
lastFrameNumberPrev = lastFrameNumber;
lastFrameNumber = 0;
requestTemplate.clear();
CameraMetadata requestTemplate2;
res = device->createDefaultRequest(hardware::camera2::ICameraDeviceUser::TEMPLATE_PREVIEW,
/*out*/&requestTemplate);
EXPECT_TRUE(res.isOk()) << res;
res = device->createDefaultRequest(hardware::camera2::ICameraDeviceUser::TEMPLATE_PREVIEW,
/*out*/&requestTemplate2);
EXPECT_TRUE(res.isOk()) << res;
android::hardware::camera2::CaptureRequest request3;
android::hardware::camera2::CaptureRequest request4;
request3.mMetadata = requestTemplate;
request3.mSurfaceList.add(surface);
request3.mIsReprocess = false;
request4.mMetadata = requestTemplate2;
request4.mSurfaceList.add(surface);
request4.mIsReprocess = false;
std::vector<hardware::camera2::CaptureRequest> requestList;
requestList.push_back(request3);
requestList.push_back(request4);
callbacks->clearStatus();
hardware::camera2::utils::SubmitInfo info3;
res = device->submitRequestList(requestList, /*streaming*/false,
/*out*/&info3);
EXPECT_TRUE(res.isOk()) << res;
EXPECT_LE(0, info3.mRequestId);
EXPECT_TRUE(callbacks->waitForStatus(TestCameraDeviceCallbacks::SENT_RESULT));
EXPECT_TRUE(callbacks->waitForIdle());
EXPECT_LE(lastFrameNumberPrev, info3.mLastFrameNumber);
sleep(/*second*/1); // allow some time for errors to show up, if any
EXPECT_FALSE(callbacks->hadError());
// Can we unconfigure?
res = device->beginConfigure();
EXPECT_TRUE(res.isOk()) << res;
res = device->deleteStream(streamId);
EXPECT_TRUE(res.isOk()) << res;
res = device->endConfigure(/*isConstrainedHighSpeed*/ false);
EXPECT_TRUE(res.isOk()) << res;
sleep(/*second*/1); // allow some time for errors to show up, if any
EXPECT_FALSE(callbacks->hadError());
closeDevice(p);
}
};