CameraBinderTests.cpp revision aebbe41461c597cdcb4be35edb5484410b9b2dff 
1/*
2 * Copyright (C) 2015 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#define LOG_NDEBUG 0
18#define LOG_TAG "CameraBinderTests"
19
20#include <binder/IInterface.h>
21#include <binder/IServiceManager.h>
22#include <binder/Parcel.h>
23#include <binder/ProcessState.h>
24#include <utils/Errors.h>
25#include <utils/Log.h>
26#include <utils/List.h>
27#include <utils/String8.h>
28#include <utils/String16.h>
29#include <utils/Condition.h>
30#include <utils/Mutex.h>
31#include <system/graphics.h>
32#include <hardware/gralloc.h>
33
34#include <camera/CameraMetadata.h>
35#include <android/hardware/ICameraService.h>
36#include <android/hardware/ICameraServiceListener.h>
37#include <android/hardware/BnCameraServiceListener.h>
38#include <android/hardware/camera2/ICameraDeviceUser.h>
39#include <android/hardware/camera2/ICameraDeviceCallbacks.h>
40#include <android/hardware/camera2/BnCameraDeviceCallbacks.h>
41#include <camera/camera2/CaptureRequest.h>
42#include <camera/camera2/OutputConfiguration.h>
43#include <camera/camera2/SubmitInfo.h>
44
45#include <gui/BufferItemConsumer.h>
46#include <gui/IGraphicBufferProducer.h>
47#include <gui/Surface.h>
48
49#include <gtest/gtest.h>
50#include <unistd.h>
51#include <stdint.h>
52#include <utility>
53#include <vector>
54#include <map>
55#include <algorithm>
56
57using namespace android;
58
59#define ASSERT_NOT_NULL(x) \
60    ASSERT_TRUE((x) != nullptr)
61
62#define SETUP_TIMEOUT 2000000000 // ns
63#define IDLE_TIMEOUT 2000000000 // ns
64
65// Stub listener implementation
66class TestCameraServiceListener : public hardware::BnCameraServiceListener {
67    std::map<String16, int32_t> mCameraTorchStatuses;
68    std::map<String16, int32_t> mCameraStatuses;
69    mutable Mutex mLock;
70    mutable Condition mCondition;
71    mutable Condition mTorchCondition;
72public:
73    virtual ~TestCameraServiceListener() {};
74
75    virtual binder::Status onStatusChanged(int32_t status, const String16& cameraId) {
76        Mutex::Autolock l(mLock);
77        mCameraStatuses[cameraId] = status;
78        mCondition.broadcast();
79        return binder::Status::ok();
80    };
81
82    virtual binder::Status onTorchStatusChanged(int32_t status, const String16& cameraId) {
83        Mutex::Autolock l(mLock);
84        mCameraTorchStatuses[cameraId] = status;
85        mTorchCondition.broadcast();
86        return binder::Status::ok();
87    };
88
89    bool waitForNumCameras(size_t num) const {
90        Mutex::Autolock l(mLock);
91
92        if (mCameraStatuses.size() == num) {
93            return true;
94        }
95
96        while (mCameraStatuses.size() < num) {
97            if (mCondition.waitRelative(mLock, SETUP_TIMEOUT) != OK) {
98                return false;
99            }
100        }
101        return true;
102    };
103
104    bool waitForTorchState(int32_t status, int32_t cameraId) const {
105        Mutex::Autolock l(mLock);
106
107        const auto& iter = mCameraTorchStatuses.find(String16(String8::format("%d", cameraId)));
108        if (iter != mCameraTorchStatuses.end() && iter->second == status) {
109            return true;
110        }
111
112        bool foundStatus = false;
113        while (!foundStatus) {
114            if (mTorchCondition.waitRelative(mLock, SETUP_TIMEOUT) != OK) {
115                return false;
116            }
117            const auto& iter =
118                    mCameraTorchStatuses.find(String16(String8::format("%d", cameraId)));
119            foundStatus = (iter != mCameraTorchStatuses.end() && iter->second == status);
120        }
121        return true;
122    };
123
124    int32_t getTorchStatus(int32_t cameraId) const {
125        Mutex::Autolock l(mLock);
126        const auto& iter = mCameraTorchStatuses.find(String16(String8::format("%d", cameraId)));
127        if (iter == mCameraTorchStatuses.end()) {
128            return hardware::ICameraServiceListener::TORCH_STATUS_UNKNOWN;
129        }
130        return iter->second;
131    };
132
133    int32_t getStatus(const String16& cameraId) const {
134        Mutex::Autolock l(mLock);
135        const auto& iter = mCameraStatuses.find(cameraId);
136        if (iter == mCameraStatuses.end()) {
137            return hardware::ICameraServiceListener::STATUS_UNKNOWN;
138        }
139        return iter->second;
140    };
141};
142
143// Callback implementation
144class TestCameraDeviceCallbacks : public hardware::camera2::BnCameraDeviceCallbacks {
145public:
146    enum Status {
147        IDLE,
148        ERROR,
149        PREPARED,
150        RUNNING,
151        SENT_RESULT,
152        UNINITIALIZED,
153        REPEATING_REQUEST_ERROR,
154        REQUEST_QUEUE_EMPTY,
155    };
156
157protected:
158    bool mError;
159    int32_t mLastStatus;
160    mutable std::vector<int32_t> mStatusesHit;
161    mutable Mutex mLock;
162    mutable Condition mStatusCondition;
163public:
164    TestCameraDeviceCallbacks() : mError(false), mLastStatus(UNINITIALIZED) {}
165
166    virtual ~TestCameraDeviceCallbacks() {}
167
168    virtual binder::Status onDeviceError(int errorCode,
169            const CaptureResultExtras& resultExtras) {
170        (void) resultExtras;
171        ALOGE("%s: onDeviceError occurred with: %d", __FUNCTION__, static_cast<int>(errorCode));
172        Mutex::Autolock l(mLock);
173        mError = true;
174        mLastStatus = ERROR;
175        mStatusesHit.push_back(mLastStatus);
176        mStatusCondition.broadcast();
177        return binder::Status::ok();
178    }
179
180    virtual binder::Status onDeviceIdle() {
181        Mutex::Autolock l(mLock);
182        mLastStatus = IDLE;
183        mStatusesHit.push_back(mLastStatus);
184        mStatusCondition.broadcast();
185        return binder::Status::ok();
186    }
187
188    virtual binder::Status onCaptureStarted(const CaptureResultExtras& resultExtras,
189            int64_t timestamp) {
190        (void) resultExtras;
191        (void) timestamp;
192        Mutex::Autolock l(mLock);
193        mLastStatus = RUNNING;
194        mStatusesHit.push_back(mLastStatus);
195        mStatusCondition.broadcast();
196        return binder::Status::ok();
197    }
198
199
200    virtual binder::Status onResultReceived(const CameraMetadata& metadata,
201            const CaptureResultExtras& resultExtras) {
202        (void) metadata;
203        (void) resultExtras;
204        Mutex::Autolock l(mLock);
205        mLastStatus = SENT_RESULT;
206        mStatusesHit.push_back(mLastStatus);
207        mStatusCondition.broadcast();
208        return binder::Status::ok();
209    }
210
211    virtual binder::Status onPrepared(int streamId) {
212        (void) streamId;
213        Mutex::Autolock l(mLock);
214        mLastStatus = PREPARED;
215        mStatusesHit.push_back(mLastStatus);
216        mStatusCondition.broadcast();
217        return binder::Status::ok();
218    }
219
220    virtual binder::Status onRepeatingRequestError(
221            int64_t lastFrameNumber, int32_t stoppedSequenceId) {
222        (void) lastFrameNumber;
223        (void) stoppedSequenceId;
224        Mutex::Autolock l(mLock);
225        mLastStatus = REPEATING_REQUEST_ERROR;
226        mStatusesHit.push_back(mLastStatus);
227        mStatusCondition.broadcast();
228        return binder::Status::ok();
229    }
230
231    virtual binder::Status onRequestQueueEmpty() {
232        Mutex::Autolock l(mLock);
233        mLastStatus = REQUEST_QUEUE_EMPTY;
234        mStatusesHit.push_back(mLastStatus);
235        mStatusCondition.broadcast();
236        return binder::Status::ok();
237    }
238
239    // Test helper functions:
240
241    bool hadError() const {
242        Mutex::Autolock l(mLock);
243        return mError;
244    }
245
246    bool waitForStatus(Status status) const {
247        Mutex::Autolock l(mLock);
248        if (mLastStatus == status) {
249            return true;
250        }
251
252        while (std::find(mStatusesHit.begin(), mStatusesHit.end(), status)
253                == mStatusesHit.end()) {
254
255            if (mStatusCondition.waitRelative(mLock, IDLE_TIMEOUT) != OK) {
256                mStatusesHit.clear();
257                return false;
258            }
259        }
260        mStatusesHit.clear();
261
262        return true;
263
264    }
265
266    void clearStatus() const {
267        Mutex::Autolock l(mLock);
268        mStatusesHit.clear();
269    }
270
271    bool waitForIdle() const {
272        return waitForStatus(IDLE);
273    }
274
275};
276
277namespace {
278    Mutex                     gLock;
279    class DeathNotifier : public IBinder::DeathRecipient
280    {
281    public:
282        DeathNotifier() {}
283
284        virtual void binderDied(const wp<IBinder>& /*who*/) {
285            ALOGV("binderDied");
286            Mutex::Autolock _l(gLock);
287            ALOGW("Camera service died!");
288        }
289    };
290    sp<DeathNotifier>         gDeathNotifier;
291}; // anonymous namespace
292
293// Exercise basic binder calls for the camera service
294TEST(CameraServiceBinderTest, CheckBinderCameraService) {
295    ProcessState::self()->startThreadPool();
296    sp<IServiceManager> sm = defaultServiceManager();
297    sp<IBinder> binder = sm->getService(String16("media.camera"));
298    ASSERT_NOT_NULL(binder);
299    if (gDeathNotifier == NULL) {
300        gDeathNotifier = new DeathNotifier();
301    }
302    binder->linkToDeath(gDeathNotifier);
303    sp<hardware::ICameraService> service =
304            interface_cast<hardware::ICameraService>(binder);
305
306    binder::Status res;
307
308    int32_t numCameras = 0;
309    res = service->getNumberOfCameras(hardware::ICameraService::CAMERA_TYPE_ALL, &numCameras);
310    EXPECT_TRUE(res.isOk()) << res;
311    EXPECT_LE(0, numCameras);
312
313    // Check listener binder calls
314    sp<TestCameraServiceListener> listener(new TestCameraServiceListener());
315    std::vector<hardware::CameraStatus> statuses;
316    res = service->addListener(listener, &statuses);
317    EXPECT_TRUE(res.isOk()) << res;
318
319    EXPECT_EQ(numCameras, static_cast<const int>(statuses.size()));
320    for (const auto &it : statuses) {
321        listener->onStatusChanged(it.status, String16(it.cameraId));
322    }
323
324    for (int32_t i = 0; i < numCameras; i++) {
325        String16 cameraId = String16(String8::format("%d", i));
326        bool isSupported = false;
327        res = service->supportsCameraApi(cameraId,
328                hardware::ICameraService::API_VERSION_2, &isSupported);
329        EXPECT_TRUE(res.isOk()) << res;
330
331        // We only care about binder calls for the Camera2 API.  Camera1 is deprecated.
332        if (!isSupported) {
333            continue;
334        }
335
336        // Check metadata binder call
337        CameraMetadata metadata;
338        res = service->getCameraCharacteristics(cameraId, &metadata);
339        EXPECT_TRUE(res.isOk()) << res;
340        EXPECT_FALSE(metadata.isEmpty());
341
342        // Make sure we're available, or skip device tests otherwise
343        int32_t s = listener->getStatus(cameraId);
344        EXPECT_EQ(::android::hardware::ICameraServiceListener::STATUS_PRESENT, s);
345        if (s != ::android::hardware::ICameraServiceListener::STATUS_PRESENT) {
346            continue;
347        }
348
349        // Check connect binder calls
350        sp<TestCameraDeviceCallbacks> callbacks(new TestCameraDeviceCallbacks());
351        sp<hardware::camera2::ICameraDeviceUser> device;
352        res = service->connectDevice(callbacks, cameraId, String16("meeeeeeeee!"),
353                hardware::ICameraService::USE_CALLING_UID, /*out*/&device);
354        EXPECT_TRUE(res.isOk()) << res;
355        ASSERT_NE(nullptr, device.get());
356        device->disconnect();
357        EXPECT_FALSE(callbacks->hadError());
358
359        int32_t torchStatus = listener->getTorchStatus(i);
360        if (torchStatus == hardware::ICameraServiceListener::TORCH_STATUS_AVAILABLE_OFF) {
361            // Check torch calls
362            res = service->setTorchMode(cameraId,
363                    /*enabled*/true, callbacks);
364            EXPECT_TRUE(res.isOk()) << res;
365            EXPECT_TRUE(listener->waitForTorchState(
366                    hardware::ICameraServiceListener::TORCH_STATUS_AVAILABLE_ON, i));
367            res = service->setTorchMode(cameraId,
368                    /*enabled*/false, callbacks);
369            EXPECT_TRUE(res.isOk()) << res;
370            EXPECT_TRUE(listener->waitForTorchState(
371                    hardware::ICameraServiceListener::TORCH_STATUS_AVAILABLE_OFF, i));
372        }
373    }
374
375    res = service->removeListener(listener);
376    EXPECT_TRUE(res.isOk()) << res;
377}
378
379// Test fixture for client focused binder tests
380class CameraClientBinderTest : public testing::Test {
381protected:
382    sp<hardware::ICameraService> service;
383    int32_t numCameras;
384    std::vector<std::pair<sp<TestCameraDeviceCallbacks>, sp<hardware::camera2::ICameraDeviceUser>>>
385            openDeviceList;
386    sp<TestCameraServiceListener> serviceListener;
387
388    std::pair<sp<TestCameraDeviceCallbacks>, sp<hardware::camera2::ICameraDeviceUser>>
389            openNewDevice(const String16& deviceId) {
390        sp<TestCameraDeviceCallbacks> callbacks(new TestCameraDeviceCallbacks());
391        sp<hardware::camera2::ICameraDeviceUser> device;
392        {
393            SCOPED_TRACE("openNewDevice");
394            binder::Status res = service->connectDevice(callbacks, deviceId, String16("meeeeeeeee!"),
395                    hardware::ICameraService::USE_CALLING_UID, /*out*/&device);
396            EXPECT_TRUE(res.isOk()) << res;
397        }
398        auto p = std::make_pair(callbacks, device);
399        openDeviceList.push_back(p);
400        return p;
401    }
402
403    void closeDevice(std::pair<sp<TestCameraDeviceCallbacks>,
404            sp<hardware::camera2::ICameraDeviceUser>>& p) {
405        if (p.second.get() != nullptr) {
406            binder::Status res = p.second->disconnect();
407            EXPECT_TRUE(res.isOk()) << res;
408            {
409                SCOPED_TRACE("closeDevice");
410                EXPECT_FALSE(p.first->hadError());
411            }
412        }
413        auto iter = std::find(openDeviceList.begin(), openDeviceList.end(), p);
414        if (iter != openDeviceList.end()) {
415            openDeviceList.erase(iter);
416        }
417    }
418
419    virtual void SetUp() {
420        ProcessState::self()->startThreadPool();
421        sp<IServiceManager> sm = defaultServiceManager();
422        sp<IBinder> binder = sm->getService(String16("media.camera"));
423        service = interface_cast<hardware::ICameraService>(binder);
424        serviceListener = new TestCameraServiceListener();
425        std::vector<hardware::CameraStatus> statuses;
426        service->addListener(serviceListener, &statuses);
427        for (const auto &it : statuses) {
428            serviceListener->onStatusChanged(it.status, String16(it.cameraId));
429        }
430        service->getNumberOfCameras(hardware::ICameraService::CAMERA_TYPE_BACKWARD_COMPATIBLE,
431                &numCameras);
432    }
433
434    virtual void TearDown() {
435        service = nullptr;
436        numCameras = 0;
437        for (auto& p : openDeviceList) {
438            closeDevice(p);
439        }
440    }
441
442};
443
444TEST_F(CameraClientBinderTest, CheckBinderCameraDeviceUser) {
445    ASSERT_NOT_NULL(service);
446    EXPECT_TRUE(serviceListener->waitForNumCameras(numCameras));
447    for (int32_t i = 0; i < numCameras; i++) {
448        String8 cameraId8 = String8::format("%d", i);
449        // Make sure we're available, or skip device tests otherwise
450        String16 cameraId(cameraId8);
451        int32_t s = serviceListener->getStatus(cameraId);
452        EXPECT_EQ(hardware::ICameraServiceListener::STATUS_PRESENT, s);
453        if (s != hardware::ICameraServiceListener::STATUS_PRESENT) {
454            continue;
455        }
456        binder::Status res;
457        auto p = openNewDevice(cameraId);
458        sp<TestCameraDeviceCallbacks> callbacks = p.first;
459        sp<hardware::camera2::ICameraDeviceUser> device = p.second;
460
461        // Setup a buffer queue; I'm just using the vendor opaque format here as that is
462        // guaranteed to be present
463        sp<IGraphicBufferProducer> gbProducer;
464        sp<IGraphicBufferConsumer> gbConsumer;
465        BufferQueue::createBufferQueue(&gbProducer, &gbConsumer);
466        sp<BufferItemConsumer> opaqueConsumer = new BufferItemConsumer(gbConsumer,
467                GRALLOC_USAGE_SW_READ_NEVER, /*maxImages*/2, /*controlledByApp*/true);
468        EXPECT_TRUE(opaqueConsumer.get() != nullptr);
469        opaqueConsumer->setName(String8("nom nom nom"));
470
471        // Set to VGA dimens for default, as that is guaranteed to be present
472        EXPECT_EQ(OK, gbConsumer->setDefaultBufferSize(640, 480));
473        EXPECT_EQ(OK, gbConsumer->setDefaultBufferFormat(HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED));
474
475        sp<Surface> surface(new Surface(gbProducer, /*controlledByApp*/false));
476
477        OutputConfiguration output(gbProducer, /*rotation*/0);
478
479        // Can we configure?
480        res = device->beginConfigure();
481        EXPECT_TRUE(res.isOk()) << res;
482        status_t streamId;
483        res = device->createStream(output, &streamId);
484        EXPECT_TRUE(res.isOk()) << res;
485        EXPECT_LE(0, streamId);
486        CameraMetadata sessionParams;
487        res = device->endConfigure(/*isConstrainedHighSpeed*/ false, sessionParams);
488        EXPECT_TRUE(res.isOk()) << res;
489        EXPECT_FALSE(callbacks->hadError());
490
491        // Can we make requests?
492        CameraMetadata requestTemplate;
493        res = device->createDefaultRequest(/*preview template*/1,
494                /*out*/&requestTemplate);
495        EXPECT_TRUE(res.isOk()) << res;
496
497        hardware::camera2::CaptureRequest request;
498        request.mPhysicalCameraSettings.push_back({cameraId8.string(), requestTemplate});
499        request.mSurfaceList.add(surface);
500        request.mIsReprocess = false;
501        int64_t lastFrameNumber = 0;
502        int64_t lastFrameNumberPrev = 0;
503        callbacks->clearStatus();
504
505        hardware::camera2::utils::SubmitInfo info;
506        res = device->submitRequest(request, /*streaming*/true, /*out*/&info);
507        EXPECT_TRUE(res.isOk()) << res;
508        EXPECT_TRUE(callbacks->waitForStatus(TestCameraDeviceCallbacks::SENT_RESULT));
509        EXPECT_LE(0, info.mRequestId);
510
511        // Can we stop requests?
512        res = device->cancelRequest(info.mRequestId, /*out*/&lastFrameNumber);
513        EXPECT_TRUE(res.isOk()) << res;
514        EXPECT_TRUE(callbacks->waitForIdle());
515        EXPECT_FALSE(callbacks->hadError());
516
517        // Can we do it again?
518        lastFrameNumberPrev = info.mLastFrameNumber;
519        lastFrameNumber = 0;
520        requestTemplate.clear();
521        res = device->createDefaultRequest(hardware::camera2::ICameraDeviceUser::TEMPLATE_PREVIEW,
522                /*out*/&requestTemplate);
523        EXPECT_TRUE(res.isOk()) << res;
524        hardware::camera2::CaptureRequest request2;
525        request2.mPhysicalCameraSettings.push_back({cameraId8.string(), requestTemplate});
526        request2.mSurfaceList.add(surface);
527        request2.mIsReprocess = false;
528        callbacks->clearStatus();
529        hardware::camera2::utils::SubmitInfo info2;
530        res = device->submitRequest(request2, /*streaming*/true,
531                /*out*/&info2);
532        EXPECT_TRUE(res.isOk()) << res;
533        EXPECT_EQ(hardware::camera2::ICameraDeviceUser::NO_IN_FLIGHT_REPEATING_FRAMES,
534                info2.mLastFrameNumber);
535        lastFrameNumber = 0;
536        EXPECT_TRUE(callbacks->waitForStatus(TestCameraDeviceCallbacks::SENT_RESULT));
537        EXPECT_LE(0, info2.mRequestId);
538        res = device->cancelRequest(info2.mRequestId, /*out*/&lastFrameNumber);
539        EXPECT_TRUE(res.isOk()) << res;
540        EXPECT_TRUE(callbacks->waitForIdle());
541        EXPECT_LE(lastFrameNumberPrev, lastFrameNumber);
542        sleep(/*second*/1); // allow some time for errors to show up, if any
543        EXPECT_FALSE(callbacks->hadError());
544
545        // Can we do it with a request list?
546        lastFrameNumberPrev = lastFrameNumber;
547        lastFrameNumber = 0;
548        requestTemplate.clear();
549        CameraMetadata requestTemplate2;
550        res = device->createDefaultRequest(hardware::camera2::ICameraDeviceUser::TEMPLATE_PREVIEW,
551                /*out*/&requestTemplate);
552        EXPECT_TRUE(res.isOk()) << res;
553        res = device->createDefaultRequest(hardware::camera2::ICameraDeviceUser::TEMPLATE_PREVIEW,
554                /*out*/&requestTemplate2);
555        EXPECT_TRUE(res.isOk()) << res;
556        android::hardware::camera2::CaptureRequest request3;
557        android::hardware::camera2::CaptureRequest request4;
558        request3.mPhysicalCameraSettings.push_back({cameraId8.string(), requestTemplate});
559        request3.mSurfaceList.add(surface);
560        request3.mIsReprocess = false;
561        request4.mPhysicalCameraSettings.push_back({cameraId8.string(), requestTemplate2});
562        request4.mSurfaceList.add(surface);
563        request4.mIsReprocess = false;
564        std::vector<hardware::camera2::CaptureRequest> requestList;
565        requestList.push_back(request3);
566        requestList.push_back(request4);
567
568        callbacks->clearStatus();
569        hardware::camera2::utils::SubmitInfo info3;
570        res = device->submitRequestList(requestList, /*streaming*/false,
571                /*out*/&info3);
572        EXPECT_TRUE(res.isOk()) << res;
573        EXPECT_LE(0, info3.mRequestId);
574        EXPECT_TRUE(callbacks->waitForStatus(TestCameraDeviceCallbacks::SENT_RESULT));
575        EXPECT_TRUE(callbacks->waitForIdle());
576        EXPECT_LE(lastFrameNumberPrev, info3.mLastFrameNumber);
577        sleep(/*second*/1); // allow some time for errors to show up, if any
578        EXPECT_FALSE(callbacks->hadError());
579
580        // Can we unconfigure?
581        res = device->beginConfigure();
582        EXPECT_TRUE(res.isOk()) << res;
583        res = device->deleteStream(streamId);
584        EXPECT_TRUE(res.isOk()) << res;
585        res = device->endConfigure(/*isConstrainedHighSpeed*/ false, sessionParams);
586        EXPECT_TRUE(res.isOk()) << res;
587
588        sleep(/*second*/1); // allow some time for errors to show up, if any
589        EXPECT_FALSE(callbacks->hadError());
590
591        closeDevice(p);
592    }
593
594};
595
596TEST_F(CameraClientBinderTest, CheckBinderCaptureRequest) {
597    sp<CaptureRequest> requestOriginal, requestParceled;
598    sp<IGraphicBufferProducer> gbProducer;
599    sp<IGraphicBufferConsumer> gbConsumer;
600    BufferQueue::createBufferQueue(&gbProducer, &gbConsumer);
601    sp<Surface> surface(new Surface(gbProducer, /*controlledByApp*/false));
602    Vector<sp<Surface>> surfaceList;
603    surfaceList.push_back(surface);
604    std::string physicalDeviceId1 = "0";
605    std::string physicalDeviceId2 = "1";
606    CameraMetadata physicalDeviceSettings1, physicalDeviceSettings2;
607    uint8_t intent1 = ANDROID_CONTROL_CAPTURE_INTENT_PREVIEW;
608    uint8_t intent2 = ANDROID_CONTROL_CAPTURE_INTENT_VIDEO_RECORD;
609    EXPECT_EQ(OK, physicalDeviceSettings1.update(ANDROID_CONTROL_CAPTURE_INTENT, &intent1, 1));
610    EXPECT_EQ(OK, physicalDeviceSettings2.update(ANDROID_CONTROL_CAPTURE_INTENT, &intent2, 1));
611
612    requestParceled = new CaptureRequest();
613    Parcel p;
614    EXPECT_TRUE(requestParceled->readFromParcel(&p) != OK);
615    p.writeInt32(0);
616    p.setDataPosition(0);
617    EXPECT_TRUE(requestParceled->readFromParcel(&p) != OK);
618    p.freeData();
619    p.writeInt32(-1);
620    p.setDataPosition(0);
621    EXPECT_TRUE(requestParceled->readFromParcel(&p) != OK);
622    p.freeData();
623    p.writeInt32(1);
624    p.setDataPosition(0);
625    EXPECT_TRUE(requestParceled->readFromParcel(&p) != OK);
626
627    requestOriginal = new CaptureRequest();
628    requestOriginal->mPhysicalCameraSettings.push_back({physicalDeviceId1,
629            physicalDeviceSettings1});
630    requestOriginal->mPhysicalCameraSettings.push_back({physicalDeviceId2,
631            physicalDeviceSettings2});
632    requestOriginal->mSurfaceList.push_back(surface);
633    requestOriginal->mIsReprocess = false;
634    requestOriginal->mSurfaceConverted = false;
635
636    p.freeData();
637    EXPECT_TRUE(requestOriginal->writeToParcel(&p) == OK);
638    p.setDataPosition(0);
639    EXPECT_TRUE(requestParceled->readFromParcel(&p) == OK);
640    EXPECT_EQ(requestParceled->mIsReprocess, false);
641    EXPECT_FALSE(requestParceled->mSurfaceList.empty());
642    EXPECT_EQ(2u, requestParceled->mPhysicalCameraSettings.size());
643    auto it = requestParceled->mPhysicalCameraSettings.begin();
644    EXPECT_EQ(physicalDeviceId1, it->id);
645    EXPECT_TRUE(it->settings.exists(ANDROID_CONTROL_CAPTURE_INTENT));
646    auto entry = it->settings.find(ANDROID_CONTROL_CAPTURE_INTENT);
647    EXPECT_EQ(entry.data.u8[0], intent1);
648    it++;
649    EXPECT_EQ(physicalDeviceId2, it->id);
650    EXPECT_TRUE(it->settings.exists(ANDROID_CONTROL_CAPTURE_INTENT));
651    entry = it->settings.find(ANDROID_CONTROL_CAPTURE_INTENT);
652    EXPECT_EQ(entry.data.u8[0], intent2);
653};
654