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 31 namespace android { 32 33 namespace camera2 { 34 35 class StreamingProcessor; 36 class JpegProcessor; 37 class ZslProcessorInterface; 38 class CaptureSequencer; 39 class CallbackProcessor; 40 41 } 42 43 class 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 */ 48 class Camera2Client : 49 public Camera2ClientBase<CameraService::Client> 50 { 51 public: 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 virtual void notifyError(ICameraDeviceCallbacks::CameraErrorCode errorCode, 81 const CaptureResultExtras& resultExtras); 82 83 /** 84 * Interface used by CameraService 85 */ 86 87 Camera2Client(const sp<CameraService>& cameraService, 88 const sp<ICameraClient>& cameraClient, 89 const String16& clientPackageName, 90 int cameraId, 91 int cameraFacing, 92 int clientPid, 93 uid_t clientUid, 94 int servicePid, 95 bool legacyMode); 96 97 virtual ~Camera2Client(); 98 99 status_t initialize(CameraModule *module); 100 101 virtual status_t dump(int fd, const Vector<String16>& args); 102 103 /** 104 * Interface used by CameraDeviceBase 105 */ 106 107 virtual void notifyAutoFocus(uint8_t newState, int triggerId); 108 virtual void notifyAutoExposure(uint8_t newState, int triggerId); 109 virtual void notifyShutter(const CaptureResultExtras& resultExtras, 110 nsecs_t timestamp); 111 112 /** 113 * Interface used by independent components of Camera2Client. 114 */ 115 116 camera2::SharedParameters& getParameters(); 117 118 int getPreviewStreamId() const; 119 int getCaptureStreamId() const; 120 int getCallbackStreamId() const; 121 int getRecordingStreamId() const; 122 int getZslStreamId() const; 123 124 status_t registerFrameListener(int32_t minId, int32_t maxId, 125 wp<camera2::FrameProcessor::FilteredListener> listener, 126 bool sendPartials = true); 127 status_t removeFrameListener(int32_t minId, int32_t maxId, 128 wp<camera2::FrameProcessor::FilteredListener> listener); 129 130 status_t stopStream(); 131 132 // For the slowJpegMode to create jpeg stream when precapture sequence is done 133 status_t createJpegStreamL(camera2::Parameters ¶ms); 134 135 static size_t calculateBufferSize(int width, int height, 136 int format, int stride); 137 138 static const int32_t kPreviewRequestIdStart = 10000000; 139 static const int32_t kPreviewRequestIdEnd = 20000000; 140 141 static const int32_t kRecordingRequestIdStart = 20000000; 142 static const int32_t kRecordingRequestIdEnd = 30000000; 143 144 static const int32_t kCaptureRequestIdStart = 30000000; 145 static const int32_t kCaptureRequestIdEnd = 40000000; 146 147 // Constant strings for ATRACE logging 148 static const char* kAutofocusLabel; 149 static const char* kTakepictureLabel; 150 151 // Used with stream IDs 152 static const int NO_STREAM = -1; 153 154 private: 155 /** ICamera interface-related private members */ 156 typedef camera2::Parameters Parameters; 157 158 status_t setPreviewWindowL(const sp<IBinder>& binder, 159 sp<Surface> window); 160 status_t startPreviewL(Parameters ¶ms, bool restart); 161 void stopPreviewL(); 162 status_t startRecordingL(Parameters ¶ms, bool restart); 163 bool recordingEnabledL(); 164 165 // Individual commands for sendCommand() 166 status_t commandStartSmoothZoomL(); 167 status_t commandStopSmoothZoomL(); 168 status_t commandSetDisplayOrientationL(int degrees); 169 status_t commandEnableShutterSoundL(bool enable); 170 status_t commandPlayRecordingSoundL(); 171 status_t commandStartFaceDetectionL(int type); 172 status_t commandStopFaceDetectionL(Parameters ¶ms); 173 status_t commandEnableFocusMoveMsgL(bool enable); 174 status_t commandPingL(); 175 status_t commandSetVideoBufferCountL(size_t count); 176 status_t commandSetVideoFormatL(int format, android_dataspace dataSpace); 177 178 // Current camera device configuration 179 camera2::SharedParameters mParameters; 180 181 /** Camera device-related private members */ 182 183 void setPreviewCallbackFlagL(Parameters ¶ms, int flag); 184 status_t updateRequests(Parameters ¶ms); 185 186 template <typename ProcessorT> 187 status_t updateProcessorStream(sp<ProcessorT> processor, Parameters params); 188 template <typename ProcessorT, 189 status_t (ProcessorT::*updateStreamF)(const Parameters &)> 190 status_t updateProcessorStream(sp<ProcessorT> processor, Parameters params); 191 192 sp<camera2::FrameProcessor> mFrameProcessor; 193 194 /* Preview/Recording related members */ 195 196 sp<IBinder> mPreviewSurface; 197 sp<camera2::StreamingProcessor> mStreamingProcessor; 198 199 /** Preview callback related members */ 200 201 sp<camera2::CallbackProcessor> mCallbackProcessor; 202 203 /* Still image capture related members */ 204 205 sp<camera2::CaptureSequencer> mCaptureSequencer; 206 sp<camera2::JpegProcessor> mJpegProcessor; 207 sp<camera2::ZslProcessorInterface> mZslProcessor; 208 sp<Thread> mZslProcessorThread; 209 210 /** Notification-related members */ 211 212 bool mAfInMotion; 213 214 /** Utility members */ 215 bool mLegacyMode; 216 217 // Wait until the camera device has received the latest control settings 218 status_t syncWithDevice(); 219 220 // Video snapshot jpeg size overriding helper function 221 status_t overrideVideoSnapshotSize(Parameters ¶ms); 222 }; 223 224 }; // namespace android 225 226 #endif 227