1 /* 2 * Copyright (C) 2008 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 ANDROID_HARDWARE_ICAMERA_H 18 #define ANDROID_HARDWARE_ICAMERA_H 19 20 #include <utils/RefBase.h> 21 #include <binder/IInterface.h> 22 #include <binder/Parcel.h> 23 #include <surfaceflinger/ISurface.h> 24 #include <binder/IMemory.h> 25 #include <utils/String8.h> 26 #include <camera/Camera.h> 27 28 namespace android { 29 30 class ICameraClient; 31 32 class ICamera: public IInterface 33 { 34 public: 35 DECLARE_META_INTERFACE(Camera); 36 37 virtual void disconnect() = 0; 38 39 // connect new client with existing camera remote 40 virtual status_t connect(const sp<ICameraClient>& client) = 0; 41 42 // prevent other processes from using this ICamera interface 43 virtual status_t lock() = 0; 44 45 // allow other processes to use this ICamera interface 46 virtual status_t unlock() = 0; 47 48 // pass the buffered ISurface to the camera service 49 virtual status_t setPreviewDisplay(const sp<ISurface>& surface) = 0; 50 51 // set the preview callback flag to affect how the received frames from 52 // preview are handled. 53 virtual void setPreviewCallbackFlag(int flag) = 0; 54 55 // start preview mode, must call setPreviewDisplay first 56 virtual status_t startPreview() = 0; 57 58 // stop preview mode 59 virtual void stopPreview() = 0; 60 61 // get preview state 62 virtual bool previewEnabled() = 0; 63 64 // start recording mode 65 virtual status_t startRecording() = 0; 66 67 // stop recording mode 68 virtual void stopRecording() = 0; 69 70 // get recording state 71 virtual bool recordingEnabled() = 0; 72 73 // release a recording frame 74 virtual void releaseRecordingFrame(const sp<IMemory>& mem) = 0; 75 76 // auto focus 77 virtual status_t autoFocus() = 0; 78 79 // cancel auto focus 80 virtual status_t cancelAutoFocus() = 0; 81 82 // take a picture 83 virtual status_t takePicture() = 0; 84 85 // set preview/capture parameters - key/value pairs 86 virtual status_t setParameters(const String8& params) = 0; 87 88 // get preview/capture parameters - key/value pairs 89 virtual String8 getParameters() const = 0; 90 91 // send command to camera driver 92 virtual status_t sendCommand(int32_t cmd, int32_t arg1, int32_t arg2) = 0; 93 }; 94 95 // ---------------------------------------------------------------------------- 96 97 class BnCamera: public BnInterface<ICamera> 98 { 99 public: 100 virtual status_t onTransact( uint32_t code, 101 const Parcel& data, 102 Parcel* reply, 103 uint32_t flags = 0); 104 }; 105 106 }; // namespace android 107 108 #endif 109