1 /* 2 ** 3 ** Copyright 2008, The Android Open Source Project 4 ** Copyright 2010, Samsung Electronics Co. LTD 5 ** 6 ** Licensed under the Apache License, Version 2.0 (the "License"); 7 ** you may not use this file except in compliance with the License. 8 ** You may obtain a copy of the License at 9 ** 10 ** http://www.apache.org/licenses/LICENSE-2.0 11 ** 12 ** Unless required by applicable law or agreed to in writing, software 13 ** distributed under the License is distributed on an "AS IS" BASIS, 14 ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15 ** See the License for the specific language governing permissions and 16 ** limitations under the License. 17 */ 18 19 /*! 20 * \file ExynosCameraHWInterface.h 21 * \brief hearder file for Android Camera HAL 22 * \author thun.hwang(thun.hwang@samsung.com) 23 * \date 2010/06/03 24 * 25 * <b>Revision History: </b> 26 * - 2011/12/31 : thun.hwang(thun.hwang@samsung.com) \n 27 * Initial version 28 * 29 * - 2012/03/14 : sangwoo.park(sw5771.park@samsung.com) \n 30 * Change file, class name to ExynosXXX. 31 * 32 */ 33 34 #ifndef EXYNOS_CAMERA_HW_INTERFACE_H 35 36 #include <utils/threads.h> 37 #include <utils/RefBase.h> 38 #include <binder/MemoryBase.h> 39 #include <binder/MemoryHeapBase.h> 40 #include <hardware/camera.h> 41 #include <hardware/gralloc.h> 42 #include <camera/Camera.h> 43 #include <camera/CameraParameters.h> 44 #include <media/hardware/MetadataBufferType.h> 45 46 #include "gralloc_priv.h" 47 48 #include "exynos_format.h" 49 #include "csc.h" 50 #include "ExynosCamera.h" 51 52 #include <fcntl.h> 53 #include <sys/mman.h> 54 55 #define USE_EGL (1) 56 57 #define NUM_OF_PREVIEW_BUF (8) 58 #define NUM_OF_VIDEO_BUF (8) 59 #define NUM_OF_PICTURE_BUF (6) 60 #define NUM_OF_WAITING_PUT_PICTURE_BUF (1) 61 62 #define NUM_OF_DETECTED_FACES (32) 63 64 namespace android { 65 66 class ExynosCameraHWInterface : public virtual RefBase { 67 public: 68 ExynosCameraHWInterface(int cameraId, camera_device_t *dev); 69 virtual ~ExynosCameraHWInterface(); 70 71 virtual status_t setPreviewWindow(preview_stream_ops *w); 72 virtual void setCallbacks(camera_notify_callback notify_cb, 73 camera_data_callback data_cb, 74 camera_data_timestamp_callback data_cb_timestamp, 75 camera_request_memory get_memory, 76 void *user); 77 78 virtual void enableMsgType(int32_t msgType); 79 virtual void disableMsgType(int32_t msgType); 80 virtual bool msgTypeEnabled(int32_t msgType); 81 82 virtual status_t startPreview(); 83 virtual void stopPreview(); 84 virtual bool previewEnabled(); 85 86 virtual status_t storeMetaDataInBuffers(bool enable); 87 88 virtual status_t startRecording(); 89 virtual void stopRecording(); 90 virtual bool recordingEnabled(); 91 virtual void releaseRecordingFrame(const void *opaque); 92 93 virtual status_t autoFocus(); 94 virtual status_t cancelAutoFocus(); 95 96 virtual status_t takePicture(); 97 virtual status_t cancelPicture(); 98 99 virtual status_t setParameters(const CameraParameters& params); 100 virtual CameraParameters getParameters() const; 101 virtual status_t sendCommand(int32_t command, int32_t arg1, int32_t arg2); 102 103 virtual void release(); 104 105 virtual status_t dump(int fd) const; 106 107 inline int getCameraId() const; 108 109 private: 110 class PreviewThread : public Thread { 111 ExynosCameraHWInterface *mHardware; 112 public: PreviewThread(ExynosCameraHWInterface * hw)113 PreviewThread(ExynosCameraHWInterface *hw): 114 Thread(false), 115 mHardware(hw) { } onFirstRef()116 virtual void onFirstRef() { 117 //run("CameraPreviewThread", PRIORITY_URGENT_DISPLAY); 118 run("CameraPreviewThread", PRIORITY_DEFAULT); 119 } threadLoop()120 virtual bool threadLoop() { 121 mHardware->m_previewThreadFuncWrapper(); 122 return false; 123 } 124 }; 125 126 class VideoThread : public Thread { 127 ExynosCameraHWInterface *mHardware; 128 public: VideoThread(ExynosCameraHWInterface * hw)129 VideoThread(ExynosCameraHWInterface *hw): 130 Thread(false), 131 mHardware(hw) { } onFirstRef()132 virtual void onFirstRef() { 133 run("CameraVideoThread", PRIORITY_DEFAULT); 134 } threadLoop()135 virtual bool threadLoop() { 136 mHardware->m_videoThreadFuncWrapper(); 137 return false; 138 } 139 }; 140 141 class PictureThread : public Thread { 142 ExynosCameraHWInterface *mHardware; 143 public: PictureThread(ExynosCameraHWInterface * hw)144 PictureThread(ExynosCameraHWInterface *hw): 145 Thread(false), 146 mHardware(hw) { } threadLoop()147 virtual bool threadLoop() { 148 mHardware->m_pictureThreadFunc(); 149 return false; 150 } 151 }; 152 153 class AutoFocusThread : public Thread { 154 ExynosCameraHWInterface *mHardware; 155 public: AutoFocusThread(ExynosCameraHWInterface * hw)156 AutoFocusThread(ExynosCameraHWInterface *hw): Thread(false), mHardware(hw) { } onFirstRef()157 virtual void onFirstRef() { 158 run("CameraAutoFocusThread", PRIORITY_DEFAULT); 159 } threadLoop()160 virtual bool threadLoop() { 161 mHardware->m_autoFocusThreadFunc(); 162 return true; 163 } 164 }; 165 166 private: 167 void m_initDefaultParameters(int cameraId); 168 169 bool m_startPreviewInternal(void); 170 void m_stopPreviewInternal(void); 171 172 bool m_previewThreadFuncWrapper(void); 173 bool m_previewThreadFunc(void); 174 bool m_videoThreadFuncWrapper(void); 175 bool m_videoThreadFunc(void); 176 bool m_autoFocusThreadFunc(void); 177 178 bool m_startPictureInternal(void); 179 bool m_stopPictureInternal(void); 180 bool m_pictureThreadFunc(void); 181 182 int m_saveJpeg(unsigned char *real_jpeg, int jpeg_size); 183 void m_savePostView(const char *fname, uint8_t *buf, 184 uint32_t size); 185 int m_decodeInterleaveData(unsigned char *pInterleaveData, 186 int interleaveDataSize, 187 int yuvWidth, 188 int yuvHeight, 189 int *pJpegSize, 190 void *pJpegData, 191 void *pYuvData); 192 bool m_YUY2toNV21(void *srcBuf, void *dstBuf, uint32_t srcWidth, uint32_t srcHeight); 193 bool m_scaleDownYuv422(char *srcBuf, uint32_t srcWidth, 194 uint32_t srcHight, char *dstBuf, 195 uint32_t dstWidth, uint32_t dstHight); 196 197 bool m_checkVideoStartMarker(unsigned char *pBuf); 198 bool m_checkEOIMarker(unsigned char *pBuf); 199 bool m_findEOIMarkerInJPEG(unsigned char *pBuf, 200 int dwBufSize, int *pnJPEGsize); 201 bool m_splitFrame(unsigned char *pFrame, int dwSize, 202 int dwJPEGLineLength, int dwVideoLineLength, 203 int dwVideoHeight, void *pJPEG, 204 int *pdwJPEGSize, void *pVideo, 205 int *pdwVideoSize); 206 void m_setSkipFrame(int frame); 207 bool m_isSupportedPreviewSize(const int width, const int height) const; 208 209 void m_getAlignedYUVSize(int colorFormat, int w, int h, ExynosBuffer *buf); 210 211 bool m_getResolutionList(String8 & string8Buf, char * strBuf, int w, int h); 212 213 bool m_getZoomRatioList(String8 & string8Buf, char * strBuf, int maxZoom, int start, int end); 214 215 int m_bracketsStr2Ints(char *str, int num, ExynosRect2 *rect2s, int *weights); 216 bool m_subBracketsStr2Ints(int num, char *str, int *arr); 217 bool m_getRatioSize(int src_w, int src_h, 218 int dst_w, int dst_h, 219 int *crop_x, int *crop_y, 220 int *crop_w, int *crop_h, 221 int zoom); 222 int m_calibratePosition(int w, int new_w, int x); 223 #ifdef LOG_NDEBUG 224 bool m_fileDump(char *filename, void *srcBuf, uint32_t size); 225 #endif 226 227 private: 228 sp<PreviewThread> m_previewThread; 229 sp<VideoThread> m_videoThread; 230 sp<AutoFocusThread> m_autoFocusThread; 231 sp<PictureThread> m_pictureThread; 232 233 /* used by auto focus thread to block until it's told to run */ 234 mutable Mutex m_focusLock; 235 mutable Condition m_focusCondition; 236 bool m_exitAutoFocusThread; 237 238 /* used by preview thread to block until it's told to run */ 239 mutable Mutex m_previewLock; 240 mutable Condition m_previewCondition; 241 mutable Condition m_previewStoppedCondition; 242 bool m_previewRunning; 243 bool m_exitPreviewThread; 244 bool m_previewStartDeferred; 245 246 mutable Mutex m_videoLock; 247 mutable Condition m_videoCondition; 248 mutable Condition m_videoStoppedCondition; 249 bool m_videoRunning; 250 bool m_videoStart; 251 bool m_exitVideoThread; 252 bool m_recordingHint; 253 254 void *m_grallocVirtAddr[NUM_OF_PREVIEW_BUF]; 255 int m_matchedGrallocIndex[NUM_OF_PREVIEW_BUF]; 256 ExynosBuffer m_pictureBuf; 257 ExynosBuffer copy_previewBuf; 258 259 struct ExynosBufferQueue { 260 ExynosBuffer buf; 261 ExynosBufferQueue *next; 262 }; 263 264 ExynosBufferQueue *m_oldPictureBufQueueHead; 265 ExynosBufferQueue m_oldPictureBufQueue[NUM_OF_PICTURE_BUF]; 266 mutable Mutex m_pictureLock; 267 mutable Condition m_pictureCondition; 268 bool m_pictureRunning; 269 bool m_captureInProgress; 270 int m_numOfAvaliblePictureBuf; 271 272 ExynosRect m_orgPreviewRect; 273 ExynosRect m_orgPictureRect; 274 ExynosRect m_orgVideoRect; 275 276 void *m_exynosPreviewCSC; 277 void *m_exynosPictureCSC; 278 void *m_exynosVideoCSC; 279 280 preview_stream_ops *m_previewWindow; 281 282 /* used to guard threading state */ 283 mutable Mutex m_stateLock; 284 285 CameraParameters m_params; 286 CameraParameters m_internalParams; 287 288 camera_memory_t *m_previewHeap[NUM_OF_PREVIEW_BUF]; 289 buffer_handle_t *m_previewBufHandle[NUM_OF_PREVIEW_BUF]; 290 int m_previewStride[NUM_OF_PREVIEW_BUF]; 291 bool m_avaliblePreviewBufHandle[NUM_OF_PREVIEW_BUF]; 292 bool m_flagGrallocLocked[NUM_OF_PREVIEW_BUF]; 293 int m_minUndequeuedBufs; 294 int m_numOfAvailableVideoBuf; 295 int m_cntVideoBuf; 296 297 camera_memory_t *m_videoHeap[NUM_OF_VIDEO_BUF]; 298 camera_memory_t *m_resizedVideoHeap[NUM_OF_VIDEO_BUF]; 299 camera_memory_t *m_pictureHeap[NUM_OF_PICTURE_BUF]; 300 int m_pictureFds[NUM_OF_PICTURE_BUF][3]; 301 camera_memory_t *m_rawHeap; 302 int m_ion_client; 303 304 camera_frame_metadata_t m_frameMetadata; 305 camera_face_t m_faces[NUM_OF_DETECTED_FACES]; 306 bool m_faceDetected; 307 308 ExynosCamera *m_secCamera; 309 310 mutable Mutex m_skipFrameLock; 311 int m_skipFrame; 312 313 camera_notify_callback m_notifyCb; 314 camera_data_callback m_dataCb; 315 camera_data_timestamp_callback m_dataCbTimestamp; 316 camera_request_memory m_getMemoryCb; 317 void *m_callbackCookie; 318 319 int32_t m_msgEnabled; 320 321 Vector<Size> m_supportedPreviewSizes; 322 323 camera_device_t *m_halDevice; 324 static gralloc_module_t const* m_grallocHal; 325 }; 326 327 }; // namespace android 328 329 #endif 330