1 /*
2  * Copyright (c) 2020-2021 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 RECORDER_DATA_SOURCE_H
17 #define RECORDER_DATA_SOURCE_H
18 
19 #include <memory>
20 #include <map>
21 #include <string>
22 #include <thread>
23 #include <mutex>
24 #include <vector>
25 #include <condition_variable>
26 #include "format.h"
27 #include "media_errors.h"
28 #include "media_info.h"
29 #include "recorder_source.h"
30 #include "surface.h"
31 
32 namespace OHOS {
33 namespace Media {
34 using OHOS::Surface;
35 using OHOS::SurfaceBuffer;
36 using OHOS::IBufferConsumerListener;
37 class RecorderDataSource : public RecorderSource, IBufferConsumerListener {
38 public:
39 
40     RecorderDataSource();
41     ~RecorderDataSource() override;
42 
43     std::shared_ptr<OHOS::Surface> GetSurface();
44 
45     int32_t Start() override;
46 
47     int32_t AcquireBuffer(RecorderSourceBuffer &buffer, bool isBlocking) override;
48 
49     int32_t ReleaseBuffer(RecorderSourceBuffer &buffer) override;
50 
51     int32_t Stop() override;
52 
53     int32_t Resume() override;
54 
55     int32_t Pause() override;
56 
57     int32_t Release() override;
58 
59     void OnBufferAvailable() override;
60 private:
61     std::shared_ptr<Surface> surface_;
62     std::mutex lock_;
63     std::condition_variable frameAvailableCondition_;
64     int32_t frameAvailableCount_;
65     std::vector<SurfaceBuffer*> acquiredBuffers_;
66     SurfaceBuffer *acquireBuffer_;
67     bool started_;
68 };
69 }  // namespace Media
70 }  // namespace OHOS
71 
72 #endif  // RECORDER_VIDEO_SOURCE_H
73