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/ZslProcessor.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 ZslProcessor; 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_3_0 and above. 47 */ 48 class Camera2Client : 49 public Camera2ClientBase<CameraService::Client> 50 { 51 public: 52 /** 53 * ICamera interface (see ICamera for details) 54 */ 55 56 virtual binder::Status disconnect(); 57 virtual status_t connect(const sp<hardware::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 setVideoBufferMode(int32_t videoBufferMode); 70 virtual status_t startRecording(); 71 virtual void stopRecording(); 72 virtual bool recordingEnabled(); 73 virtual void releaseRecordingFrame(const sp<IMemory>& mem); 74 virtual void releaseRecordingFrameHandle(native_handle_t *handle); 75 virtual status_t autoFocus(); 76 virtual status_t cancelAutoFocus(); 77 virtual status_t takePicture(int msgType); 78 virtual status_t setParameters(const String8& params); 79 virtual String8 getParameters() const; 80 virtual status_t sendCommand(int32_t cmd, int32_t arg1, int32_t arg2); 81 virtual void notifyError(int32_t errorCode, 82 const CaptureResultExtras& resultExtras); 83 virtual status_t setVideoTarget(const sp<IGraphicBufferProducer>& bufferProducer); 84 85 /** 86 * Interface used by CameraService 87 */ 88 89 Camera2Client(const sp<CameraService>& cameraService, 90 const sp<hardware::ICameraClient>& cameraClient, 91 const String16& clientPackageName, 92 int cameraId, 93 int cameraFacing, 94 int clientPid, 95 uid_t clientUid, 96 int servicePid, 97 bool legacyMode); 98 99 virtual ~Camera2Client(); 100 101 status_t initialize(CameraModule *module); 102 103 virtual status_t dump(int fd, const Vector<String16>& args); 104 105 virtual status_t dumpClient(int fd, const Vector<String16>& args); 106 107 /** 108 * Interface used by CameraDeviceBase 109 */ 110 111 virtual void notifyAutoFocus(uint8_t newState, int triggerId); 112 virtual void notifyAutoExposure(uint8_t newState, int triggerId); 113 virtual void notifyShutter(const CaptureResultExtras& resultExtras, 114 nsecs_t timestamp); 115 116 /** 117 * Interface used by independent components of Camera2Client. 118 */ 119 120 camera2::SharedParameters& getParameters(); 121 122 int getPreviewStreamId() const; 123 int getCaptureStreamId() const; 124 int getCallbackStreamId() const; 125 int getRecordingStreamId() const; 126 int getZslStreamId() const; 127 128 status_t registerFrameListener(int32_t minId, int32_t maxId, 129 wp<camera2::FrameProcessor::FilteredListener> listener, 130 bool sendPartials = true); 131 status_t removeFrameListener(int32_t minId, int32_t maxId, 132 wp<camera2::FrameProcessor::FilteredListener> listener); 133 134 status_t stopStream(); 135 136 // For the slowJpegMode to create jpeg stream when precapture sequence is done 137 status_t createJpegStreamL(camera2::Parameters ¶ms); 138 139 static size_t calculateBufferSize(int width, int height, 140 int format, int stride); 141 142 static const int32_t kPreviewRequestIdStart = 10000000; 143 static const int32_t kPreviewRequestIdEnd = 20000000; 144 145 static const int32_t kRecordingRequestIdStart = 20000000; 146 static const int32_t kRecordingRequestIdEnd = 30000000; 147 148 static const int32_t kCaptureRequestIdStart = 30000000; 149 static const int32_t kCaptureRequestIdEnd = 40000000; 150 151 // Constant strings for ATRACE logging 152 static const char* kAutofocusLabel; 153 static const char* kTakepictureLabel; 154 155 // Used with stream IDs 156 static const int NO_STREAM = -1; 157 158 private: 159 /** ICamera interface-related private members */ 160 typedef camera2::Parameters Parameters; 161 162 status_t setPreviewWindowL(const sp<IBinder>& binder, 163 sp<Surface> window); 164 status_t startPreviewL(Parameters ¶ms, bool restart); 165 void stopPreviewL(); 166 status_t startRecordingL(Parameters ¶ms, bool restart); 167 bool recordingEnabledL(); 168 169 // Individual commands for sendCommand() 170 status_t commandStartSmoothZoomL(); 171 status_t commandStopSmoothZoomL(); 172 status_t commandSetDisplayOrientationL(int degrees); 173 status_t commandEnableShutterSoundL(bool enable); 174 status_t commandPlayRecordingSoundL(); 175 status_t commandStartFaceDetectionL(int type); 176 status_t commandStopFaceDetectionL(Parameters ¶ms); 177 status_t commandEnableFocusMoveMsgL(bool enable); 178 status_t commandPingL(); 179 status_t commandSetVideoBufferCountL(size_t count); 180 status_t commandSetVideoFormatL(int format, android_dataspace dataSpace); 181 182 // Current camera device configuration 183 camera2::SharedParameters mParameters; 184 185 /** Camera device-related private members */ 186 187 void setPreviewCallbackFlagL(Parameters ¶ms, int flag); 188 status_t updateRequests(Parameters ¶ms); 189 190 template <typename ProcessorT> 191 status_t updateProcessorStream(sp<ProcessorT> processor, Parameters params); 192 template <typename ProcessorT, 193 status_t (ProcessorT::*updateStreamF)(const Parameters &)> 194 status_t updateProcessorStream(sp<ProcessorT> processor, Parameters params); 195 196 sp<camera2::FrameProcessor> mFrameProcessor; 197 198 /* Preview/Recording related members */ 199 200 sp<IBinder> mPreviewSurface; 201 sp<IBinder> mVideoSurface; 202 sp<camera2::StreamingProcessor> mStreamingProcessor; 203 204 /** Preview callback related members */ 205 206 sp<camera2::CallbackProcessor> mCallbackProcessor; 207 208 /* Still image capture related members */ 209 210 sp<camera2::CaptureSequencer> mCaptureSequencer; 211 sp<camera2::JpegProcessor> mJpegProcessor; 212 sp<camera2::ZslProcessor> mZslProcessor; 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