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 virtual status_t setAudioRestriction(int mode); 87 virtual int32_t getGlobalAudioRestriction(); 88 virtual status_t setRotateAndCropOverride(uint8_t rotateAndCrop); 89 90 virtual bool supportsCameraMute(); 91 virtual status_t setCameraMute(bool enabled); 92 93 virtual status_t setCameraServiceWatchdog(bool enabled); 94 95 virtual void setStreamUseCaseOverrides( 96 const std::vector<int64_t>& useCaseOverrides); 97 virtual void clearStreamUseCaseOverrides(); 98 99 /** 100 * Interface used by CameraService 101 */ 102 103 Camera2Client(const sp<CameraService>& cameraService, 104 const sp<hardware::ICameraClient>& cameraClient, 105 const String16& clientPackageName, 106 const std::optional<String16>& clientFeatureId, 107 const String8& cameraDeviceId, 108 int api1CameraId, 109 int cameraFacing, 110 int sensorOrientation, 111 int clientPid, 112 uid_t clientUid, 113 int servicePid, 114 bool overrideForPerfClass, 115 bool overrideToPortrait, 116 bool forceSlowJpegMode); 117 118 virtual ~Camera2Client(); 119 120 virtual status_t initialize(sp<CameraProviderManager> manager, 121 const String8& monitorTags) override; 122 123 virtual status_t dump(int fd, const Vector<String16>& args); 124 125 virtual status_t dumpClient(int fd, const Vector<String16>& args); 126 127 /** 128 * Interface used by CameraDeviceBase 129 */ 130 131 virtual void notifyAutoFocus(uint8_t newState, int triggerId); 132 virtual void notifyAutoExposure(uint8_t newState, int triggerId); 133 virtual void notifyShutter(const CaptureResultExtras& resultExtras, 134 nsecs_t timestamp); 135 136 /** 137 * Interface used by independent components of Camera2Client. 138 */ 139 140 camera2::SharedParameters& getParameters(); 141 142 void notifyRequestId(int32_t requestId); 143 144 int getPreviewStreamId() const; 145 int getCaptureStreamId() const; 146 int getCallbackStreamId() const; 147 int getRecordingStreamId() const; 148 int getZslStreamId() const; 149 150 status_t registerFrameListener(int32_t minId, int32_t maxId, 151 const wp<camera2::FrameProcessor::FilteredListener>& listener, 152 bool sendPartials = true); 153 status_t removeFrameListener(int32_t minId, int32_t maxId, 154 const wp<camera2::FrameProcessor::FilteredListener>& listener); 155 156 status_t stopStream(); 157 158 // For the slowJpegMode to create jpeg stream when precapture sequence is done 159 status_t createJpegStreamL(camera2::Parameters ¶ms); 160 161 static size_t calculateBufferSize(int width, int height, 162 int format, int stride); 163 164 static const int32_t kPreviewRequestIdStart = 10000000; 165 static const int32_t kPreviewRequestIdEnd = 20000000; 166 167 static const int32_t kRecordingRequestIdStart = 20000000; 168 static const int32_t kRecordingRequestIdEnd = 30000000; 169 170 static const int32_t kCaptureRequestIdStart = 30000000; 171 static const int32_t kCaptureRequestIdEnd = 40000000; 172 173 // Constant strings for ATRACE logging 174 static const char* kAutofocusLabel; 175 static const char* kTakepictureLabel; 176 177 // Used with stream IDs 178 static const int NO_STREAM = -1; 179 180 private: 181 /** ICamera interface-related private members */ 182 typedef camera2::Parameters Parameters; 183 184 status_t setPreviewWindowL(const sp<IBinder>& binder, 185 const sp<Surface>& window); 186 status_t startPreviewL(Parameters ¶ms, bool restart); 187 void stopPreviewL(); 188 status_t startRecordingL(Parameters ¶ms, bool restart); 189 bool recordingEnabledL(); 190 191 // Individual commands for sendCommand() 192 status_t commandStartSmoothZoomL(); 193 status_t commandStopSmoothZoomL(); 194 status_t commandSetDisplayOrientationL(int degrees); 195 status_t commandEnableShutterSoundL(bool enable); 196 status_t commandPlayRecordingSoundL(); 197 status_t commandStartFaceDetectionL(int type); 198 status_t commandStopFaceDetectionL(Parameters ¶ms); 199 status_t commandEnableFocusMoveMsgL(bool enable); 200 status_t commandPingL(); 201 status_t commandSetVideoBufferCountL(size_t count); 202 status_t commandSetVideoFormatL(int format, android_dataspace dataSpace); 203 204 // Current camera device configuration 205 camera2::SharedParameters mParameters; 206 207 /** Camera device-related private members */ 208 209 void setPreviewCallbackFlagL(Parameters ¶ms, int flag); 210 status_t updateRequests(Parameters ¶ms); 211 212 template <typename ProcessorT> 213 status_t updateProcessorStream(sp<ProcessorT> processor, Parameters params); 214 template <typename ProcessorT, 215 status_t (ProcessorT::*updateStreamF)(const Parameters &)> 216 status_t updateProcessorStream(sp<ProcessorT> processor, Parameters params); 217 218 sp<camera2::FrameProcessor> mFrameProcessor; 219 220 /* Preview/Recording related members */ 221 222 sp<IBinder> mPreviewSurface; 223 sp<IBinder> mVideoSurface; 224 sp<camera2::StreamingProcessor> mStreamingProcessor; 225 226 /** Preview callback related members */ 227 228 sp<camera2::CallbackProcessor> mCallbackProcessor; 229 230 /* Still image capture related members */ 231 232 sp<camera2::CaptureSequencer> mCaptureSequencer; 233 sp<camera2::JpegProcessor> mJpegProcessor; 234 sp<camera2::ZslProcessor> mZslProcessor; 235 236 /** Utility members */ 237 bool mLegacyMode; 238 239 // Wait until the camera device has received the latest control settings 240 status_t syncWithDevice(); 241 242 // Video snapshot jpeg size overriding helper function 243 status_t overrideVideoSnapshotSize(Parameters ¶ms); 244 245 template<typename TProviderPtr> 246 status_t initializeImpl(TProviderPtr providerPtr, const String8& monitorTags); 247 248 bool isZslEnabledInStillTemplate(); 249 // The current rotate & crop mode passed by camera service 250 uint8_t mRotateAndCropMode; 251 // Synchronize access to 'mRotateAndCropMode' 252 mutable Mutex mRotateAndCropLock; 253 // Contains the preview stream transformation that would normally be applied 254 // when the display rotation is 0 255 int mRotateAndCropPreviewTransform; 256 // Flag indicating camera device support for the rotate & crop interface 257 bool mRotateAndCropIsSupported; 258 259 mutable Mutex mLatestRequestMutex; 260 Condition mLatestRequestSignal; 261 int32_t mLatestRequestId = -1; 262 int32_t mLatestFailedRequestId = -1; 263 status_t waitUntilRequestIdApplied(int32_t requestId, nsecs_t timeout); 264 status_t waitUntilCurrentRequestIdLocked(); 265 }; 266 267 }; // namespace android 268 269 #endif 270