1 /*
2  * Copyright (C) 2012 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 /**
18  * This file includes various basic structures that are needed by multiple parts
19  * of the fake camera 2 implementation.
20  */
21 
22 #ifndef HW_EMULATOR_CAMERA2_BASE_H
23 #define HW_EMULATOR_CAMERA2_BASE_H
24 
25 #include <hardware/camera2.h>
26 #include <utils/Vector.h>
27 
28 namespace android {
29 
30 /* Internal structure for passing buffers across threads */
31 struct StreamBuffer {
32   // Positive numbers are output streams
33   // Negative numbers are input reprocess streams
34   // Zero is an auxillary buffer
35   int streamId;
36   uint32_t width, height;
37   uint32_t format;
38   uint32_t dataSpace;
39   uint32_t stride;
40   buffer_handle_t *buffer;
41   buffer_handle_t importedBuffer;
42   uint8_t *img;
43 };
44 typedef Vector<StreamBuffer> Buffers;
45 
46 struct Stream {
47   const camera2_stream_ops_t *ops;
48   uint32_t width, height;
49   int32_t format;
50   uint32_t stride;
51 };
52 
53 struct ReprocessStream {
54   const camera2_stream_in_ops_t *ops;
55   uint32_t width, height;
56   int32_t format;
57   uint32_t stride;
58   // -1 if the reprocessing stream is independent
59   int32_t sourceStreamId;
60 };
61 
62 }  // namespace android
63 
64 #endif
65