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      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 <system/window.h>
     26 #include <hardware/camera2.h>
     27 #include <utils/Vector.h>
     28 
     29 namespace android {
     30 
     31 
     32 /* Internal structure for passing buffers across threads */
     33 struct StreamBuffer {
     34     // Positive numbers are output streams
     35     // Negative numbers are input reprocess streams
     36     // Zero is an auxillary buffer
     37     int streamId;
     38     uint32_t width, height;
     39     uint32_t format;
     40     uint32_t stride;
     41     buffer_handle_t *buffer;
     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