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 const String8& cameraDeviceId, 95 int api1CameraId, 96 int cameraFacing, 97 int clientPid, 98 uid_t clientUid, 99 int servicePid, 100 bool legacyMode); 101 102 virtual ~Camera2Client(); 103 104 virtual status_t initialize(sp<CameraProviderManager> manager, 105 const String8& monitorTags) override; 106 107 virtual status_t dump(int fd, const Vector<String16>& args); 108 109 virtual status_t dumpClient(int fd, const Vector<String16>& args); 110 111 /** 112 * Interface used by CameraDeviceBase 113 */ 114 115 virtual void notifyAutoFocus(uint8_t newState, int triggerId); 116 virtual void notifyAutoExposure(uint8_t newState, int triggerId); 117 virtual void notifyShutter(const CaptureResultExtras& resultExtras, 118 nsecs_t timestamp); 119 120 /** 121 * Interface used by independent components of Camera2Client. 122 */ 123 124 camera2::SharedParameters& getParameters(); 125 126 int getPreviewStreamId() const; 127 int getCaptureStreamId() const; 128 int getCallbackStreamId() const; 129 int getRecordingStreamId() const; 130 int getZslStreamId() const; 131 132 status_t registerFrameListener(int32_t minId, int32_t maxId, 133 const wp<camera2::FrameProcessor::FilteredListener>& listener, 134 bool sendPartials = true); 135 status_t removeFrameListener(int32_t minId, int32_t maxId, 136 const wp<camera2::FrameProcessor::FilteredListener>& listener); 137 138 status_t stopStream(); 139 140 // For the slowJpegMode to create jpeg stream when precapture sequence is done 141 status_t createJpegStreamL(camera2::Parameters ¶ms); 142 143 static size_t calculateBufferSize(int width, int height, 144 int format, int stride); 145 146 static const int32_t kPreviewRequestIdStart = 10000000; 147 static const int32_t kPreviewRequestIdEnd = 20000000; 148 149 static const int32_t kRecordingRequestIdStart = 20000000; 150 static const int32_t kRecordingRequestIdEnd = 30000000; 151 152 static const int32_t kCaptureRequestIdStart = 30000000; 153 static const int32_t kCaptureRequestIdEnd = 40000000; 154 155 // Constant strings for ATRACE logging 156 static const char* kAutofocusLabel; 157 static const char* kTakepictureLabel; 158 159 // Used with stream IDs 160 static const int NO_STREAM = -1; 161 162 private: 163 /** ICamera interface-related private members */ 164 typedef camera2::Parameters Parameters; 165 166 status_t setPreviewWindowL(const sp<IBinder>& binder, 167 const sp<Surface>& window); 168 status_t startPreviewL(Parameters ¶ms, bool restart); 169 void stopPreviewL(); 170 status_t startRecordingL(Parameters ¶ms, bool restart); 171 bool recordingEnabledL(); 172 173 // Individual commands for sendCommand() 174 status_t commandStartSmoothZoomL(); 175 status_t commandStopSmoothZoomL(); 176 status_t commandSetDisplayOrientationL(int degrees); 177 status_t commandEnableShutterSoundL(bool enable); 178 status_t commandPlayRecordingSoundL(); 179 status_t commandStartFaceDetectionL(int type); 180 status_t commandStopFaceDetectionL(Parameters ¶ms); 181 status_t commandEnableFocusMoveMsgL(bool enable); 182 status_t commandPingL(); 183 status_t commandSetVideoBufferCountL(size_t count); 184 status_t commandSetVideoFormatL(int format, android_dataspace dataSpace); 185 186 // Current camera device configuration 187 camera2::SharedParameters mParameters; 188 189 /** Camera device-related private members */ 190 191 void setPreviewCallbackFlagL(Parameters ¶ms, int flag); 192 status_t updateRequests(Parameters ¶ms); 193 194 template <typename ProcessorT> 195 status_t updateProcessorStream(sp<ProcessorT> processor, Parameters params); 196 template <typename ProcessorT, 197 status_t (ProcessorT::*updateStreamF)(const Parameters &)> 198 status_t updateProcessorStream(sp<ProcessorT> processor, Parameters params); 199 200 sp<camera2::FrameProcessor> mFrameProcessor; 201 202 /* Preview/Recording related members */ 203 204 sp<IBinder> mPreviewSurface; 205 sp<IBinder> mVideoSurface; 206 sp<camera2::StreamingProcessor> mStreamingProcessor; 207 208 /** Preview callback related members */ 209 210 sp<camera2::CallbackProcessor> mCallbackProcessor; 211 212 /* Still image capture related members */ 213 214 sp<camera2::CaptureSequencer> mCaptureSequencer; 215 sp<camera2::JpegProcessor> mJpegProcessor; 216 sp<camera2::ZslProcessor> mZslProcessor; 217 218 /** Utility members */ 219 bool mLegacyMode; 220 221 // Wait until the camera device has received the latest control settings 222 status_t syncWithDevice(); 223 224 // Video snapshot jpeg size overriding helper function 225 status_t overrideVideoSnapshotSize(Parameters ¶ms); 226 227 template<typename TProviderPtr> 228 status_t initializeImpl(TProviderPtr providerPtr, const String8& monitorTags); 229 230 bool isZslEnabledInStillTemplate(); 231 }; 232 233 }; // namespace android 234 235 #endif 236
