1 /*
2  * Copyright (C) 2019 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 #ifndef HARDWARE_GOOGLE_CAMERA_HAL_GOOGLE_CAMERA_HAL_BASIC_RESULT_PROCESSOR_H_
18 #define HARDWARE_GOOGLE_CAMERA_HAL_GOOGLE_CAMERA_HAL_BASIC_RESULT_PROCESSOR_H_
19 
20 #include <vector>
21 
22 #include "result_processor.h"
23 
24 namespace android {
25 namespace google_camera_hal {
26 
27 // BasicResultProcessor implements a basic ResultProcessor that simply forwards
28 // the results to its callback functions without any modification.
29 class BasicResultProcessor : public ResultProcessor {
30  public:
31   static std::unique_ptr<BasicResultProcessor> Create();
32 
33   virtual ~BasicResultProcessor();
34 
35   // Override functions of ResultProcessor start.
36   void SetResultCallback(
37       ProcessCaptureResultFunc process_capture_result, NotifyFunc notify,
38       ProcessBatchCaptureResultFunc process_batch_capture_result) override;
39 
40   status_t AddPendingRequests(
41       const std::vector<ProcessBlockRequest>& process_block_requests,
42       const CaptureRequest& remaining_session_request) override;
43 
44   void ProcessResult(ProcessBlockResult block_result) override;
45 
46   void ProcessBatchResult(std::vector<ProcessBlockResult> block_results) override;
47 
48   void Notify(const ProcessBlockNotifyMessage& block_message) override;
49 
50   status_t FlushPendingRequests() override;
51   // Override functions of ResultProcessor end.
52 
53  protected:
54   BasicResultProcessor() = default;
55 
56  private:
57   std::mutex callback_lock_;
58 
59   // The following callbacks must be protected by callback_lock_.
60   ProcessCaptureResultFunc process_capture_result_;
61   ProcessBatchCaptureResultFunc process_batch_capture_result_;
62   NotifyFunc notify_;
63 };
64 
65 }  // namespace google_camera_hal
66 }  // namespace android
67 
68 #endif  // HARDWARE_GOOGLE_CAMERA_HAL_GOOGLE_CAMERA_HAL_BASIC_RESULT_PROCESSOR_H_
69