1 /* 2 * Copyright (C) 2015 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 EXAMPLE_CAMERA_H_ 18 #define EXAMPLE_CAMERA_H_ 19 20 #include <system/camera_metadata.h> 21 #include "Camera.h" 22 23 namespace usb_camera_hal { 24 /** 25 * UsbCamera is an example for a specific camera device. The Camera instance contains 26 * a specific camera device (e.g. UsbCamera) holds all specific metadata and logic about 27 * that device. 28 */ 29 class UsbCamera : public Camera { 30 public: 31 explicit UsbCamera(int id); 32 ~UsbCamera(); 33 34 private: 35 // Initialize static camera characteristics for individual device 36 int initStaticInfo(); 37 int openDevice(); 38 // Initialize whole device (templates/etc) when opened 39 int initDevice(); 40 int flushDevice(); 41 int closeDevice(); 42 int processCaptureBuffer(const camera3_stream_buffer_t *in, camera3_stream_buffer_t *out); 43 // Initialize each template metadata controls 44 int initPreviewTemplate(Metadata m); 45 int initStillTemplate(Metadata m); 46 int initRecordTemplate(Metadata m); 47 int initSnapshotTemplate(Metadata m); 48 int initZslTemplate(Metadata m); 49 int initManualTemplate(Metadata m); 50 // Verify settings are valid for a capture with this device 51 bool isValidCaptureSettings(const camera_metadata_t* settings); 52 }; 53 } // namespace usb_camera_hal 54 55 #endif // CAMERA_H_ 56
