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 void releaseRecordingFrameHandleBatch( 76 const std::vector<native_handle_t*>& handles); 77 virtual status_t autoFocus(); 78 virtual status_t cancelAutoFocus(); 79 virtual status_t takePicture(int msgType); 80 virtual status_t setParameters(const String8& params); 81 virtual String8 getParameters() const; 82 virtual status_t sendCommand(int32_t cmd, int32_t arg1, int32_t arg2); 83 virtual void notifyError(int32_t errorCode, 84 const CaptureResultExtras& resultExtras); 85 virtual status_t setVideoTarget(const sp<IGraphicBufferProducer>& bufferProducer); 86 87 /** 88 * Interface used by CameraService 89 */ 90 91 Camera2Client(const sp<CameraService>& cameraService, 92 const sp<hardware::ICameraClient>& cameraClient, 93 const String16& clientPackageName, 94 int cameraId, 95 int cameraFacing, 96 int clientPid, 97 uid_t clientUid, 98 int servicePid, 99 bool legacyMode); 100 101 virtual ~Camera2Client(); 102 103 virtual status_t initialize(sp<CameraProviderManager> manager) override; 104 105 virtual status_t dump(int fd, const Vector<String16>& args); 106 107 virtual status_t dumpClient(int fd, const Vector<String16>& args); 108 109 /** 110 * Interface used by CameraDeviceBase 111 */ 112 113 virtual void notifyAutoFocus(uint8_t newState, int triggerId); 114 virtual void notifyAutoExposure(uint8_t newState, int triggerId); 115 virtual void notifyShutter(const CaptureResultExtras& resultExtras, 116 nsecs_t timestamp); 117 118 /** 119 * Interface used by independent components of Camera2Client. 120 */ 121 122 camera2::SharedParameters& getParameters(); 123 124 int getPreviewStreamId() const; 125 int getCaptureStreamId() const; 126 int getCallbackStreamId() const; 127 int getRecordingStreamId() const; 128 int getZslStreamId() const; 129 130 status_t registerFrameListener(int32_t minId, int32_t maxId, 131 const wp<camera2::FrameProcessor::FilteredListener>& listener, 132 bool sendPartials = true); 133 status_t removeFrameListener(int32_t minId, int32_t maxId, 134 const wp<camera2::FrameProcessor::FilteredListener>& listener); 135 136 status_t stopStream(); 137 138 // For the slowJpegMode to create jpeg stream when precapture sequence is done 139 status_t createJpegStreamL(camera2::Parameters ¶ms); 140 141 static size_t calculateBufferSize(int width, int height, 142 int format, int stride); 143 144 static const int32_t kPreviewRequestIdStart = 10000000; 145 static const int32_t kPreviewRequestIdEnd = 20000000; 146 147 static const int32_t kRecordingRequestIdStart = 20000000; 148 static const int32_t kRecordingRequestIdEnd = 30000000; 149 150 static const int32_t kCaptureRequestIdStart = 30000000; 151 static const int32_t kCaptureRequestIdEnd = 40000000; 152 153 // Constant strings for ATRACE logging 154 static const char* kAutofocusLabel; 155 static const char* kTakepictureLabel; 156 157 // Used with stream IDs 158 static const int NO_STREAM = -1; 159 160 private: 161 /** ICamera interface-related private members */ 162 typedef camera2::Parameters Parameters; 163 164 status_t setPreviewWindowL(const sp<IBinder>& binder, 165 const sp<Surface>& window); 166 status_t startPreviewL(Parameters ¶ms, bool restart); 167 void stopPreviewL(); 168 status_t startRecordingL(Parameters ¶ms, bool restart); 169 bool recordingEnabledL(); 170 171 // Individual commands for sendCommand() 172 status_t commandStartSmoothZoomL(); 173 status_t commandStopSmoothZoomL(); 174 status_t commandSetDisplayOrientationL(int degrees); 175 status_t commandEnableShutterSoundL(bool enable); 176 status_t commandPlayRecordingSoundL(); 177 status_t commandStartFaceDetectionL(int type); 178 status_t commandStopFaceDetectionL(Parameters ¶ms); 179 status_t commandEnableFocusMoveMsgL(bool enable); 180 status_t commandPingL(); 181 status_t commandSetVideoBufferCountL(size_t count); 182 status_t commandSetVideoFormatL(int format, android_dataspace dataSpace); 183 184 // Current camera device configuration 185 camera2::SharedParameters mParameters; 186 187 /** Camera device-related private members */ 188 189 void setPreviewCallbackFlagL(Parameters ¶ms, int flag); 190 status_t updateRequests(Parameters ¶ms); 191 192 template <typename ProcessorT> 193 status_t updateProcessorStream(sp<ProcessorT> processor, Parameters params); 194 template <typename ProcessorT, 195 status_t (ProcessorT::*updateStreamF)(const Parameters &)> 196 status_t updateProcessorStream(sp<ProcessorT> processor, Parameters params); 197 198 sp<camera2::FrameProcessor> mFrameProcessor; 199 200 /* Preview/Recording related members */ 201 202 sp<IBinder> mPreviewSurface; 203 sp<IBinder> mVideoSurface; 204 sp<camera2::StreamingProcessor> mStreamingProcessor; 205 206 /** Preview callback related members */ 207 208 sp<camera2::CallbackProcessor> mCallbackProcessor; 209 210 /* Still image capture related members */ 211 212 sp<camera2::CaptureSequencer> mCaptureSequencer; 213 sp<camera2::JpegProcessor> mJpegProcessor; 214 sp<camera2::ZslProcessor> mZslProcessor; 215 216 /** Utility members */ 217 bool mLegacyMode; 218 219 // Wait until the camera device has received the latest control settings 220 status_t syncWithDevice(); 221 222 // Video snapshot jpeg size overriding helper function 223 status_t overrideVideoSnapshotSize(Parameters ¶ms); 224 225 template<typename TProviderPtr> 226 status_t initializeImpl(TProviderPtr providerPtr); 227 }; 228 229 }; // namespace android 230 231 #endif 232
