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 "CameraDeviceBase.h" 21 #include "CameraService.h" 22 #include "camera2/Parameters.h" 23 #include "camera2/FrameProcessor.h" 24 #include "camera2/StreamingProcessor.h" 25 #include "camera2/JpegProcessor.h" 26 #include "camera2/ZslProcessorInterface.h" 27 #include "camera2/CaptureSequencer.h" 28 #include "camera2/CallbackProcessor.h" 29 #include "Camera2ClientBase.h" 30 31 namespace android { 32 33 class IMemory; 34 /** 35 * Interface between android.hardware.Camera API and Camera HAL device for versions 36 * CAMERA_DEVICE_API_VERSION_2_0 and 3_0. 37 */ 38 class Camera2Client : 39 public Camera2ClientBase<CameraService::Client> 40 { 41 public: 42 /** 43 * ICamera interface (see ICamera for details) 44 */ 45 46 virtual void disconnect(); 47 virtual status_t connect(const sp<ICameraClient>& client); 48 virtual status_t lock(); 49 virtual status_t unlock(); 50 virtual status_t setPreviewDisplay(const sp<Surface>& surface); 51 virtual status_t setPreviewTexture( 52 const sp<IGraphicBufferProducer>& bufferProducer); 53 virtual void setPreviewCallbackFlag(int flag); 54 virtual status_t startPreview(); 55 virtual void stopPreview(); 56 virtual bool previewEnabled(); 57 virtual status_t storeMetaDataInBuffers(bool enabled); 58 virtual status_t startRecording(); 59 virtual void stopRecording(); 60 virtual bool recordingEnabled(); 61 virtual void releaseRecordingFrame(const sp<IMemory>& mem); 62 virtual status_t autoFocus(); 63 virtual status_t cancelAutoFocus(); 64 virtual status_t takePicture(int msgType); 65 virtual status_t setParameters(const String8& params); 66 virtual String8 getParameters() const; 67 virtual status_t sendCommand(int32_t cmd, int32_t arg1, int32_t arg2); 68 69 /** 70 * Interface used by CameraService 71 */ 72 73 Camera2Client(const sp<CameraService>& cameraService, 74 const sp<ICameraClient>& cameraClient, 75 const String16& clientPackageName, 76 int cameraId, 77 int cameraFacing, 78 int clientPid, 79 uid_t clientUid, 80 int servicePid, 81 int deviceVersion); 82 83 virtual ~Camera2Client(); 84 85 status_t initialize(camera_module_t *module); 86 87 virtual status_t dump(int fd, const Vector<String16>& args); 88 89 /** 90 * Interface used by CameraDeviceBase 91 */ 92 93 virtual void notifyAutoFocus(uint8_t newState, int triggerId); 94 virtual void notifyAutoExposure(uint8_t newState, int triggerId); 95 96 /** 97 * Interface used by independent components of Camera2Client. 98 */ 99 100 camera2::SharedParameters& getParameters(); 101 102 int getPreviewStreamId() const; 103 int getCaptureStreamId() const; 104 int getCallbackStreamId() const; 105 int getRecordingStreamId() const; 106 int getZslStreamId() const; 107 108 status_t registerFrameListener(int32_t minId, int32_t maxId, 109 wp<camera2::FrameProcessor::FilteredListener> listener); 110 status_t removeFrameListener(int32_t minId, int32_t maxId, 111 wp<camera2::FrameProcessor::FilteredListener> listener); 112 113 status_t stopStream(); 114 115 static size_t calculateBufferSize(int width, int height, 116 int format, int stride); 117 118 static const int32_t kPreviewRequestIdStart = 10000000; 119 static const int32_t kPreviewRequestIdEnd = 20000000; 120 121 static const int32_t kRecordingRequestIdStart = 20000000; 122 static const int32_t kRecordingRequestIdEnd = 30000000; 123 124 static const int32_t kCaptureRequestIdStart = 30000000; 125 static const int32_t kCaptureRequestIdEnd = 40000000; 126 127 private: 128 /** ICamera interface-related private members */ 129 typedef camera2::Parameters Parameters; 130 131 status_t setPreviewWindowL(const sp<IBinder>& binder, 132 sp<ANativeWindow> window); 133 status_t startPreviewL(Parameters ¶ms, bool restart); 134 void stopPreviewL(); 135 status_t startRecordingL(Parameters ¶ms, bool restart); 136 bool recordingEnabledL(); 137 138 // Individual commands for sendCommand() 139 status_t commandStartSmoothZoomL(); 140 status_t commandStopSmoothZoomL(); 141 status_t commandSetDisplayOrientationL(int degrees); 142 status_t commandEnableShutterSoundL(bool enable); 143 status_t commandPlayRecordingSoundL(); 144 status_t commandStartFaceDetectionL(int type); 145 status_t commandStopFaceDetectionL(Parameters ¶ms); 146 status_t commandEnableFocusMoveMsgL(bool enable); 147 status_t commandPingL(); 148 status_t commandSetVideoBufferCountL(size_t count); 149 150 // Current camera device configuration 151 camera2::SharedParameters mParameters; 152 153 /** Camera device-related private members */ 154 155 void setPreviewCallbackFlagL(Parameters ¶ms, int flag); 156 status_t updateRequests(Parameters ¶ms); 157 int mDeviceVersion; 158 159 // Used with stream IDs 160 static const int NO_STREAM = -1; 161 162 template <typename ProcessorT> 163 status_t updateProcessorStream(sp<ProcessorT> processor, Parameters params); 164 template <typename ProcessorT, 165 status_t (ProcessorT::*updateStreamF)(const Parameters &)> 166 status_t updateProcessorStream(sp<ProcessorT> processor, Parameters params); 167 168 sp<camera2::FrameProcessor> mFrameProcessor; 169 170 /* Preview/Recording related members */ 171 172 sp<IBinder> mPreviewSurface; 173 sp<camera2::StreamingProcessor> mStreamingProcessor; 174 175 /** Preview callback related members */ 176 177 sp<camera2::CallbackProcessor> mCallbackProcessor; 178 179 /* Still image capture related members */ 180 181 sp<camera2::CaptureSequencer> mCaptureSequencer; 182 sp<camera2::JpegProcessor> mJpegProcessor; 183 sp<camera2::ZslProcessorInterface> mZslProcessor; 184 sp<Thread> mZslProcessorThread; 185 186 /** Notification-related members */ 187 188 bool mAfInMotion; 189 190 /** Utility members */ 191 192 // Wait until the camera device has received the latest control settings 193 status_t syncWithDevice(); 194 }; 195 196 }; // namespace android 197 198 #endif 199
