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