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/Surface.h> 24 #include <binder/IMemory.h> 25 #include <utils/String8.h> 26 #include <camera/Camera.h> 27 #include <gui/ISurfaceTexture.h> 28 29 namespace android { 30 31 class ICameraClient; 32 33 class ICamera: public IInterface 34 { 35 public: 36 DECLARE_META_INTERFACE(Camera); 37 38 virtual void disconnect() = 0; 39 40 // connect new client with existing camera remote 41 virtual status_t connect(const sp<ICameraClient>& client) = 0; 42 43 // prevent other processes from using this ICamera interface 44 virtual status_t lock() = 0; 45 46 // allow other processes to use this ICamera interface 47 virtual status_t unlock() = 0; 48 49 // pass the buffered Surface to the camera service 50 virtual status_t setPreviewDisplay(const sp<Surface>& surface) = 0; 51 52 // pass the buffered ISurfaceTexture to the camera service 53 virtual status_t setPreviewTexture( 54 const sp<ISurfaceTexture>& surfaceTexture) = 0; 55 56 // set the preview callback flag to affect how the received frames from 57 // preview are handled. 58 virtual void setPreviewCallbackFlag(int flag) = 0; 59 60 // start preview mode, must call setPreviewDisplay first 61 virtual status_t startPreview() = 0; 62 63 // stop preview mode 64 virtual void stopPreview() = 0; 65 66 // get preview state 67 virtual bool previewEnabled() = 0; 68 69 // start recording mode 70 virtual status_t startRecording() = 0; 71 72 // stop recording mode 73 virtual void stopRecording() = 0; 74 75 // get recording state 76 virtual bool recordingEnabled() = 0; 77 78 // release a recording frame 79 virtual void releaseRecordingFrame(const sp<IMemory>& mem) = 0; 80 81 // auto focus 82 virtual status_t autoFocus() = 0; 83 84 // cancel auto focus 85 virtual status_t cancelAutoFocus() = 0; 86 87 /* 88 * take a picture. 89 * @param msgType the message type an application selectively turn on/off 90 * on a photo-by-photo basis. The supported message types are: 91 * CAMERA_MSG_SHUTTER, CAMERA_MSG_RAW_IMAGE, CAMERA_MSG_COMPRESSED_IMAGE, 92 * and CAMERA_MSG_POSTVIEW_FRAME. Any other message types will be ignored. 93 */ 94 virtual status_t takePicture(int msgType) = 0; 95 96 // set preview/capture parameters - key/value pairs 97 virtual status_t setParameters(const String8& params) = 0; 98 99 // get preview/capture parameters - key/value pairs 100 virtual String8 getParameters() const = 0; 101 102 // send command to camera driver 103 virtual status_t sendCommand(int32_t cmd, int32_t arg1, int32_t arg2) = 0; 104 105 // tell the camera hal to store meta data or real YUV data in video buffers. 106 virtual status_t storeMetaDataInBuffers(bool enabled) = 0; 107 }; 108 109 // ---------------------------------------------------------------------------- 110 111 class BnCamera: public BnInterface<ICamera> 112 { 113 public: 114 virtual status_t onTransact( uint32_t code, 115 const Parcel& data, 116 Parcel* reply, 117 uint32_t flags = 0); 118 }; 119 120 }; // namespace android 121 122 #endif 123
