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1 /*
2  * Copyright (c) 2021 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  * http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #ifndef UTEST_CAMERA_HOST_IMPL_TEST_H
17 #define UTEST_CAMERA_HOST_IMPL_TEST_H
18 
19 #include "utest_camera_hdi_base.h"
20 
21 class OffileStreamOperatorImplTest : public CameraHdiBaseTest {
22 public:
23     static void SetUpTestCase(void);
24     static void TearDownTestCase(void);
25 
26     void SetUp(void);
27     void TearDown(void);
28 
29     class TestBufferConsumerListener : public IBufferConsumerListener {
30         public:
TestBufferConsumerListener()31             TestBufferConsumerListener()
32             {
33             }
OnBufferAvailable()34             void OnBufferAvailable()
35             {
36             }
~TestBufferConsumerListener()37             ~TestBufferConsumerListener()
38             {
39             }
40     };
41 
42     class StreamConsumer {
43     public:
CreateProducer(std::function<void (void *,uint32_t)> callback)44         OHOS::sptr<OHOS::IBufferProducer> CreateProducer(std::function<void(void*, uint32_t)> callback)
45         {
46             consumer_ = OHOS::Surface::CreateSurfaceAsConsumer();
47             if (consumer_ == nullptr) {
48                 return nullptr;
49             }
50             sptr<IBufferConsumerListener> listener = new TestBufferConsumerListener();
51             consumer_->RegisterConsumerListener(listener);
52 
53             auto producer = consumer_->GetProducer();
54             CAMERA_LOGI("%{public}s, to create a buffer queue producer %{public}p", __FUNCTION__, producer.GetRefPtr());
55 
56             if (producer == nullptr) {
57                 return nullptr;
58             }
59             callback_ = callback;
60 
61             consumerThread_ = new std::thread([this] {
62                 OHOS::Rect damage;
63                 int32_t flushFence = 0;
64                 int64_t timestamp = 0;
65                 while (running_ == true) {
66                     OHOS::sptr<OHOS::SurfaceBuffer> buffer = nullptr;
67                     consumer_->AcquireBuffer(buffer, flushFence, timestamp, damage);
68                     if (buffer != nullptr) {
69                         void* address = buffer->GetVirAddr();
70                         uint32_t size = buffer->GetSize();
71                         if (callback_ != nullptr) {
72                             callback_(address, size);
73                         }
74                         consumer_->ReleaseBuffer(buffer, -1);
75                         shotCount_--;
76                         if (shotCount_ == 0) {
77                             std::unique_lock<std::mutex> l(l_);
78                             cv_.notify_one();
79                         }
80                     }
81                 }
82             });
83 
84             return producer;
85         }
86 
TakeSnapshot()87         void TakeSnapshot()
88         {
89             shotCount_++;
90         }
91 
WaitSnapshotEnd()92         void WaitSnapshotEnd() const
93         {
94             std::unique_lock<std::mutex> l(l_);
95             cv_.wait(l, [this]() { return shotCount_ == 0; });
96         }
97 
~StreamConsumer()98         ~StreamConsumer()
99         {
100             running_ = false;
101             if (consumerThread_ != nullptr) {
102                 consumerThread_->join();
103                 delete consumerThread_;
104             }
105         }
106 
107     public:
108         std::atomic<uint64_t> shotCount_ = 0;
109         std::mutex l_;
110         bool running_ = true;
111         std::condition_variable cv_;
112         OHOS::sptr<OHOS::Surface> consumer_ = nullptr;
113         std::function<void(void*, uint32_t)> callback_ = nullptr;
114         std::thread* consumerThread_ = nullptr;
115     };
116 };
117 #endif /* UTEST_CAMERA_HOST_IMPL_TEST_H */
118