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_LIB_DEPTH_GENERATOR_H_
18 #define HARDWARE_GOOGLE_CAMERA_LIB_DEPTH_GENERATOR_H_
19 
20 #include <utils/Errors.h>
21 #include "depth_types.h"
22 
23 namespace android {
24 namespace depth_generator {
25 
26 // DepthGenerator is the basic interface for any provider that can generate
27 // depth buffer from several NIR and YUV buffers.
28 class DepthGenerator {
29  public:
30   virtual ~DepthGenerator() = default;
31 
32   // Enqueue a depth buffer request for asynchronous processing
33   virtual status_t EnqueueProcessRequest(const DepthRequestInfo&) = 0;
34 
35   // Blocking call to execute the process request right way.
36   virtual status_t ExecuteProcessRequest(const DepthRequestInfo&) = 0;
37 
38   // Set a callback function to allow the depth generator to asynchronously
39   // return the depth buffer.
40   virtual void SetResultCallback(DepthResultCallbackFunction) = 0;
41 };
42 typedef DepthGenerator* (*CreateDepthGenerator_t)();
43 }  // namespace depth_generator
44 }  // namespace android
45 #endif  // HARDWARE_GOOGLE_CAMERA_LIB_DEPTH_GENERATOR_H_