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1 /*
2  * Copyright (c) 2024 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 INTERFACES_INNER_API_VPE_VIDEO_REFRESHRATE_PREDICTION_H
17 #define INTERFACES_INNER_API_VPE_VIDEO_REFRESHRATE_PREDICTION_H
18 
19 #include <memory>
20 
21 #include "algorithm_errors.h"
22 #include "external_window.h"
23 #include "refbase.h"
24 #include "surface_buffer.h"
25 
26 namespace OHOS {
27 namespace Media {
28 namespace VideoProcessingEngine {
29 
30 enum MotionVectorType : int32_t {
31     MOTIONVECTOR_TYPE_NONE  = 0,
32     MOTIONVECTOR_TYPE_AVC  = 1,
33     MOTIONVECTOR_TYPE_HEVC = 2
34 };
35 
36 class __attribute__((visibility("default"))) VideoRefreshRatePrediction {
37 public:
38     /**
39      * @brief Create a VideoRefreshRatePrediction object.
40      * @syscap
41      * @return pointer of the VideoRefreshRatePrediction object.
42      * @since 13
43      */
44     static std::shared_ptr<VideoRefreshRatePrediction> Create();
45 
46     /**
47      * @brief 硬件LTPO支持校验,调用方检查返回值
48      * @syscap
49      * @return 返回错误码VPEAlgoErrCode
50      * @since 13
51      */
52     virtual VPEAlgoErrCode CheckVRRSupport(std::string processName) = 0;
53 
54     /**
55      * @brief 执行视频可变帧率算法
56      * @syscap
57      * @param input 输入的解码帧,算法将决策的帧率信息写入SurfaceBuffer的ExtraData中
58      * @param videoFps 输入视频帧的帧率
59      * @param codecType 输入视频帧编码格式 MotionVectorType
60      * @return 返回错误码VPEAlgoErrCode
61      * @since 13
62      */
63     virtual VPEAlgoErrCode Process(const sptr<SurfaceBuffer>& input, int videoFps, int codecType) = 0;
64 protected:
65     virtual ~VideoRefreshRatePrediction() = default;
66 };
67 
68 #ifdef __cplusplus
69 extern "C" {
70 #endif
71 
72 using VideoRefreshRatePredictionHandle = void;
73 
74 VideoRefreshRatePredictionHandle *VideoRefreshRatePredictionCreate();
75 void VideoRefreshRatePredictionDestroy(VideoRefreshRatePredictionHandle *handle);
76 int32_t VideoRefreshRatePredictionCheckSupport(VideoRefreshRatePredictionHandle *handle, const char *processName);
77 void VideoRefreshRatePredictionProcess(VideoRefreshRatePredictionHandle *handle,
78     OH_NativeBuffer* inputImageNativeBuffer, int videoFps, int codecType);
79 
80 #ifdef __cplusplus
81 }
82 #endif
83 
84 } // namespace VideoProcessingEngine
85 } // namespace Media
86 } // namespace OHOS
87 
88 #endif // INTERFACES_INNER_API_VPE_VIDEO_REFRESHRATE_PREDICTION_H
89