Camera2Client.h revision cd8fce8fbe0f515e53a0ea0f50b739cf42ee57a4
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#ifndef ANDROID_SERVERS_CAMERA_CAMERA2CLIENT_H 18#define ANDROID_SERVERS_CAMERA_CAMERA2CLIENT_H 19 20#include "CameraService.h" 21#include "common/CameraDeviceBase.h" 22#include "common/Camera2ClientBase.h" 23#include "api1/client2/Parameters.h" 24#include "api1/client2/FrameProcessor.h" 25//#include "api1/client2/StreamingProcessor.h" 26//#include "api1/client2/JpegProcessor.h" 27//#include "api1/client2/ZslProcessorInterface.h" 28//#include "api1/client2/CaptureSequencer.h" 29//#include "api1/client2/CallbackProcessor.h" 30 31namespace android { 32 33namespace camera2 { 34 35class StreamingProcessor; 36class JpegProcessor; 37class ZslProcessorInterface; 38class CaptureSequencer; 39class CallbackProcessor; 40 41} 42 43class IMemory; 44/** 45 * Interface between android.hardware.Camera API and Camera HAL device for versions 46 * CAMERA_DEVICE_API_VERSION_2_0 and 3_0. 47 */ 48class Camera2Client : 49 public Camera2ClientBase<CameraService::Client> 50{ 51public: 52 /** 53 * ICamera interface (see ICamera for details) 54 */ 55 56 virtual void disconnect(); 57 virtual status_t connect(const sp<ICameraClient>& client); 58 virtual status_t lock(); 59 virtual status_t unlock(); 60 virtual status_t setPreviewTarget( 61 const sp<IGraphicBufferProducer>& bufferProducer); 62 virtual void setPreviewCallbackFlag(int flag); 63 virtual status_t setPreviewCallbackTarget( 64 const sp<IGraphicBufferProducer>& callbackProducer); 65 66 virtual status_t startPreview(); 67 virtual void stopPreview(); 68 virtual bool previewEnabled(); 69 virtual status_t storeMetaDataInBuffers(bool enabled); 70 virtual status_t startRecording(); 71 virtual void stopRecording(); 72 virtual bool recordingEnabled(); 73 virtual void releaseRecordingFrame(const sp<IMemory>& mem); 74 virtual status_t autoFocus(); 75 virtual status_t cancelAutoFocus(); 76 virtual status_t takePicture(int msgType); 77 virtual status_t setParameters(const String8& params); 78 virtual String8 getParameters() const; 79 virtual status_t sendCommand(int32_t cmd, int32_t arg1, int32_t arg2); 80 81 /** 82 * Interface used by CameraService 83 */ 84 85 Camera2Client(const sp<CameraService>& cameraService, 86 const sp<ICameraClient>& cameraClient, 87 const String16& clientPackageName, 88 int cameraId, 89 int cameraFacing, 90 int clientPid, 91 uid_t clientUid, 92 int servicePid); 93 94 virtual ~Camera2Client(); 95 96 status_t initialize(camera_module_t *module); 97 98 virtual status_t dump(int fd, const Vector<String16>& args); 99 100 /** 101 * Interface used by CameraDeviceBase 102 */ 103 104 virtual void notifyAutoFocus(uint8_t newState, int triggerId); 105 virtual void notifyAutoExposure(uint8_t newState, int triggerId); 106 107 /** 108 * Interface used by independent components of Camera2Client. 109 */ 110 111 camera2::SharedParameters& getParameters(); 112 113 int getPreviewStreamId() const; 114 int getCaptureStreamId() const; 115 int getCallbackStreamId() const; 116 int getRecordingStreamId() const; 117 int getZslStreamId() const; 118 119 status_t registerFrameListener(int32_t minId, int32_t maxId, 120 wp<camera2::FrameProcessor::FilteredListener> listener); 121 status_t removeFrameListener(int32_t minId, int32_t maxId, 122 wp<camera2::FrameProcessor::FilteredListener> listener); 123 124 status_t stopStream(); 125 126 static size_t calculateBufferSize(int width, int height, 127 int format, int stride); 128 129 static const int32_t kPreviewRequestIdStart = 10000000; 130 static const int32_t kPreviewRequestIdEnd = 20000000; 131 132 static const int32_t kRecordingRequestIdStart = 20000000; 133 static const int32_t kRecordingRequestIdEnd = 30000000; 134 135 static const int32_t kCaptureRequestIdStart = 30000000; 136 static const int32_t kCaptureRequestIdEnd = 40000000; 137 138 // Constant strings for ATRACE logging 139 static const char* kAutofocusLabel; 140 static const char* kTakepictureLabel; 141 142private: 143 /** ICamera interface-related private members */ 144 typedef camera2::Parameters Parameters; 145 146 status_t setPreviewWindowL(const sp<IBinder>& binder, 147 sp<ANativeWindow> window); 148 status_t startPreviewL(Parameters ¶ms, bool restart); 149 void stopPreviewL(); 150 status_t startRecordingL(Parameters ¶ms, bool restart); 151 bool recordingEnabledL(); 152 153 // Individual commands for sendCommand() 154 status_t commandStartSmoothZoomL(); 155 status_t commandStopSmoothZoomL(); 156 status_t commandSetDisplayOrientationL(int degrees); 157 status_t commandEnableShutterSoundL(bool enable); 158 status_t commandPlayRecordingSoundL(); 159 status_t commandStartFaceDetectionL(int type); 160 status_t commandStopFaceDetectionL(Parameters ¶ms); 161 status_t commandEnableFocusMoveMsgL(bool enable); 162 status_t commandPingL(); 163 status_t commandSetVideoBufferCountL(size_t count); 164 165 // Current camera device configuration 166 camera2::SharedParameters mParameters; 167 168 /** Camera device-related private members */ 169 170 void setPreviewCallbackFlagL(Parameters ¶ms, int flag); 171 status_t updateRequests(Parameters ¶ms); 172 173 // Used with stream IDs 174 static const int NO_STREAM = -1; 175 176 template <typename ProcessorT> 177 status_t updateProcessorStream(sp<ProcessorT> processor, Parameters params); 178 template <typename ProcessorT, 179 status_t (ProcessorT::*updateStreamF)(const Parameters &)> 180 status_t updateProcessorStream(sp<ProcessorT> processor, Parameters params); 181 182 sp<camera2::FrameProcessor> mFrameProcessor; 183 184 /* Preview/Recording related members */ 185 186 sp<IBinder> mPreviewSurface; 187 sp<camera2::StreamingProcessor> mStreamingProcessor; 188 189 /** Preview callback related members */ 190 191 sp<camera2::CallbackProcessor> mCallbackProcessor; 192 193 /* Still image capture related members */ 194 195 sp<camera2::CaptureSequencer> mCaptureSequencer; 196 sp<camera2::JpegProcessor> mJpegProcessor; 197 sp<camera2::ZslProcessorInterface> mZslProcessor; 198 sp<Thread> mZslProcessorThread; 199 200 /** Notification-related members */ 201 202 bool mAfInMotion; 203 204 /** Utility members */ 205 206 // Wait until the camera device has received the latest control settings 207 status_t syncWithDevice(); 208}; 209 210}; // namespace android 211 212#endif 213