/* * Copyright (C) Texas Instruments - http://www.ti.com/ * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ /** * @file CameraHal.cpp * * This file maps the Camera Hardware Interface to V4L2. * */ #define LOG_TAG "CameraHAL" #include "CameraHal.h" #include "ANativeWindowDisplayAdapter.h" #include "TICameraParameters.h" #include "CameraProperties.h" #include #include #include namespace android { extern "C" CameraAdapter* CameraAdapter_Factory(); /*****************************************************************************/ ////Constant definitions and declarations ////@todo Have a CameraProperties class to store these parameters as constants for every camera //// Currently, they are hard-coded const int CameraHal::NO_BUFFERS_PREVIEW = MAX_CAMERA_BUFFERS; const int CameraHal::NO_BUFFERS_IMAGE_CAPTURE = 2; const uint32_t MessageNotifier::EVENT_BIT_FIELD_POSITION = 0; const uint32_t MessageNotifier::FRAME_BIT_FIELD_POSITION = 0; /******************************************************************************/ #if PPM_INSTRUMENTATION || PPM_INSTRUMENTATION_ABS struct timeval CameraHal::mStartPreview; struct timeval CameraHal::mStartFocus; struct timeval CameraHal::mStartCapture; #endif static void orientation_cb(uint32_t orientation, uint32_t tilt, void* cookie) { CameraHal *camera = NULL; if (cookie) { camera = (CameraHal*) cookie; camera->onOrientationEvent(orientation, tilt); } } /*-------------Camera Hal Interface Method definitions STARTS here--------------------*/ /** Callback function to receive orientation events from SensorListener */ void CameraHal::onOrientationEvent(uint32_t orientation, uint32_t tilt) { LOG_FUNCTION_NAME; if ( NULL != mCameraAdapter ) { mCameraAdapter->onOrientationEvent(orientation, tilt); } LOG_FUNCTION_NAME_EXIT; } /** @brief Set the notification and data callbacks @param[in] notify_cb Notify callback for notifying the app about events and errors @param[in] data_cb Buffer callback for sending the preview/raw frames to the app @param[in] data_cb_timestamp Buffer callback for sending the video frames w/ timestamp @param[in] user Callback cookie @return none */ void CameraHal::setCallbacks(camera_notify_callback notify_cb, camera_data_callback data_cb, camera_data_timestamp_callback data_cb_timestamp, camera_request_memory get_memory, void *user) { LOG_FUNCTION_NAME; if ( NULL != mAppCallbackNotifier.get() ) { mAppCallbackNotifier->setCallbacks(this, notify_cb, data_cb, data_cb_timestamp, get_memory, user); } LOG_FUNCTION_NAME_EXIT; } /** @brief Enable a message, or set of messages. @param[in] msgtype Bitmask of the messages to enable (defined in include/ui/Camera.h) @return none */ void CameraHal::enableMsgType(int32_t msgType) { LOG_FUNCTION_NAME; if ( ( msgType & CAMERA_MSG_SHUTTER ) && ( !mShutterEnabled ) ) { msgType &= ~CAMERA_MSG_SHUTTER; } { Mutex::Autolock lock(mLock); mMsgEnabled |= msgType; } if(mMsgEnabled & CAMERA_MSG_PREVIEW_FRAME) { if(mDisplayPaused) { CAMHAL_LOGDA("Preview currently paused...will enable preview callback when restarted"); msgType &= ~CAMERA_MSG_PREVIEW_FRAME; }else { CAMHAL_LOGDA("Enabling Preview Callback"); } } else { CAMHAL_LOGDB("Preview callback not enabled %x", msgType); } ///Configure app callback notifier with the message callback required mAppCallbackNotifier->enableMsgType (msgType); LOG_FUNCTION_NAME_EXIT; } /** @brief Disable a message, or set of messages. @param[in] msgtype Bitmask of the messages to disable (defined in include/ui/Camera.h) @return none */ void CameraHal::disableMsgType(int32_t msgType) { LOG_FUNCTION_NAME; { Mutex::Autolock lock(mLock); mMsgEnabled &= ~msgType; } if( msgType & CAMERA_MSG_PREVIEW_FRAME) { CAMHAL_LOGDA("Disabling Preview Callback"); } ///Configure app callback notifier mAppCallbackNotifier->disableMsgType (msgType); LOG_FUNCTION_NAME_EXIT; } /** @brief Query whether a message, or a set of messages, is enabled. Note that this is operates as an AND, if any of the messages queried are off, this will return false. @param[in] msgtype Bitmask of the messages to query (defined in include/ui/Camera.h) @return true If all message types are enabled false If any message type */ int CameraHal::msgTypeEnabled(int32_t msgType) { LOG_FUNCTION_NAME; Mutex::Autolock lock(mLock); LOG_FUNCTION_NAME_EXIT; return (mMsgEnabled & msgType); } /** @brief Set the camera parameters. @param[in] params Camera parameters to configure the camera @return NO_ERROR @todo Define error codes */ int CameraHal::setParameters(const char* parameters) { LOG_FUNCTION_NAME; CameraParameters params; String8 str_params(parameters); params.unflatten(str_params); LOG_FUNCTION_NAME_EXIT; return setParameters(params); } /** @brief Set the camera parameters. @param[in] params Camera parameters to configure the camera @return NO_ERROR @todo Define error codes */ int CameraHal::setParameters(const CameraParameters& params) { LOG_FUNCTION_NAME; int w, h; int w_orig, h_orig; int framerate,minframerate; bool framerateUpdated = true; int maxFPS, minFPS; int error; int base; const char *valstr = NULL; const char *prevFormat; char *af_coord; TIUTILS::Message msg; status_t ret = NO_ERROR; Mutex::Autolock lock(mLock); ///Ensure that preview is not enabled when the below parameters are changed. if(!previewEnabled()) { CAMHAL_LOGDB("PreviewFormat %s", params.getPreviewFormat()); if ( !isParameterValid(params.getPreviewFormat(), mCameraProperties->get(CameraProperties::SUPPORTED_PREVIEW_FORMATS))) { CAMHAL_LOGEB("Invalid preview format %s", mCameraProperties->get(CameraProperties::SUPPORTED_PREVIEW_FORMATS)); return -EINVAL; } else { if ( (valstr = params.getPreviewFormat()) != NULL) mParameters.setPreviewFormat(valstr); } params.getPreviewSize(&w, &h); if (w == -1 && h == -1) { CAMHAL_LOGEA("Unable to get preview size"); return ret; } int orientation =0; if((valstr = params.get(TICameraParameters::KEY_SENSOR_ORIENTATION)) != NULL) { CAMHAL_LOGDB("Sensor Orientation is set to %s", params.get(TICameraParameters::KEY_SENSOR_ORIENTATION)); mParameters.set(TICameraParameters::KEY_SENSOR_ORIENTATION, valstr); orientation = params.getInt(TICameraParameters::KEY_SENSOR_ORIENTATION); } if(orientation ==90 || orientation ==270) { if ( !isResolutionValid(h,w, mCameraProperties->get(CameraProperties::SUPPORTED_PREVIEW_SIZES))) { CAMHAL_LOGEB("Invalid preview resolution %d x %d", w, h); return -EINVAL; } else { mParameters.setPreviewSize(w, h); } } else { if ( !isResolutionValid(w, h, mCameraProperties->get(CameraProperties::SUPPORTED_PREVIEW_SIZES))) { CAMHAL_LOGEB("Invalid preview resolution %d x %d", w, h); return -EINVAL; } else { mParameters.setPreviewSize(w, h); } } CAMHAL_LOGDB("PreviewResolution by App %d x %d", w, h); if(( (valstr = params.get(TICameraParameters::KEY_VNF)) != NULL) && ((params.getInt(TICameraParameters::KEY_VNF)==0) || (params.getInt(TICameraParameters::KEY_VNF)==1))) { CAMHAL_LOGDB("VNF set %s", params.get(TICameraParameters::KEY_VNF)); mParameters.set(TICameraParameters::KEY_VNF, valstr); } if(( (valstr = params.get(TICameraParameters::KEY_VSTAB)) != NULL) && ((params.getInt(TICameraParameters::KEY_VSTAB)==0) || (params.getInt(TICameraParameters::KEY_VSTAB)==1))) { CAMHAL_LOGDB("VSTAB set %s", params.get(TICameraParameters::KEY_VSTAB)); mParameters.set(TICameraParameters::KEY_VSTAB, valstr); } if( (valstr = params.get(TICameraParameters::KEY_CAP_MODE)) != NULL) { CAMHAL_LOGDB("Capture mode set %s", params.get(TICameraParameters::KEY_CAP_MODE)); mParameters.set(TICameraParameters::KEY_CAP_MODE, valstr); } if((valstr = params.get(TICameraParameters::KEY_IPP)) != NULL) { CAMHAL_LOGDB("IPP mode set %s", params.get(TICameraParameters::KEY_IPP)); mParameters.set(TICameraParameters::KEY_IPP, valstr); } if((valstr = params.get(TICameraParameters::KEY_S3D2D_PREVIEW)) != NULL) { CAMHAL_LOGDB("Stereo 3D->2D Preview mode is %s", params.get(TICameraParameters::KEY_S3D2D_PREVIEW)); mParameters.set(TICameraParameters::KEY_S3D2D_PREVIEW, valstr); } if((valstr = params.get(TICameraParameters::KEY_AUTOCONVERGENCE)) != NULL) { CAMHAL_LOGDB("AutoConvergence mode is %s", params.get(TICameraParameters::KEY_AUTOCONVERGENCE)); mParameters.set(TICameraParameters::KEY_AUTOCONVERGENCE, valstr); } if((valstr = params.get(TICameraParameters::KEY_SENSOR_ORIENTATION)) != NULL) { CAMHAL_LOGDB("Sensor Orientation is set to %s", params.get(TICameraParameters::KEY_SENSOR_ORIENTATION)); mParameters.set(TICameraParameters::KEY_SENSOR_ORIENTATION, valstr); } } ///Below parameters can be changed when the preview is running if ( !isParameterValid(params.getPictureFormat(), mCameraProperties->get(CameraProperties::SUPPORTED_PICTURE_FORMATS))) { CAMHAL_LOGEA("Invalid picture format"); return -EINVAL; } else { valstr = params.getPictureFormat(); if (valstr) mParameters.setPictureFormat(valstr); } params.getPictureSize(&w, &h); if ( !isResolutionValid(w, h, mCameraProperties->get(CameraProperties::SUPPORTED_PICTURE_SIZES))) { CAMHAL_LOGEB("Invalid picture resolution %dx%d", w, h); return -EINVAL; } else { mParameters.setPictureSize(w, h); } CAMHAL_LOGDB("Picture Size by App %d x %d", w, h); if(( (valstr = params.get(TICameraParameters::KEY_BURST)) != NULL) && (params.getInt(TICameraParameters::KEY_BURST) >=0)) { CAMHAL_LOGDB("Burst set %s", params.get(TICameraParameters::KEY_BURST)); mParameters.set(TICameraParameters::KEY_BURST, valstr); } framerate = params.getPreviewFrameRate(); if ( isParameterValid(framerate, mCameraProperties->get(CameraProperties::SUPPORTED_PREVIEW_FRAME_RATES))) { if ( mLastPreviewFramerate != framerate ) { mLastPreviewFramerate = framerate; mParameters.setPreviewFrameRate(framerate); framerateUpdated = true; } else { framerateUpdated = false; } } else { framerateUpdated = false; } CAMHAL_LOGDB("FRAMERATE %d", framerate); //If client uses fixed framerate than //give it a higher piority than VFR. if ( framerateUpdated ) { minFPS = framerate; maxFPS = framerate; CAMHAL_LOGDB("FPS Range [%d, %d]", minFPS, maxFPS); mParameters.set(TICameraParameters::KEY_MINFRAMERATE, minFPS); mParameters.set(TICameraParameters::KEY_MAXFRAMERATE, maxFPS); mParameters.set(CameraParameters::KEY_PREVIEW_FPS_RANGE, params.get(CameraParameters::KEY_PREVIEW_FPS_RANGE)); } else if ( ( valstr = params.get(CameraParameters::KEY_PREVIEW_FPS_RANGE) ) != NULL ) { CAMHAL_LOGDB("FPS Range = %s", valstr); params.getPreviewFpsRange(&minFPS, &maxFPS); if ( ( 0 > minFPS ) || ( 0 > maxFPS ) ) { CAMHAL_LOGEA("FPS Range is negative!"); return -EINVAL; } minFPS /= CameraHal::VFR_SCALE; maxFPS /= CameraHal::VFR_SCALE; if ( ( 0 == minFPS ) || ( 0 == maxFPS ) ) { CAMHAL_LOGEA("FPS Range is invalid!"); return -EINVAL; } if ( maxFPS < minFPS ) { CAMHAL_LOGEA("Max FPS is smaller than Min FPS!"); return -EINVAL; } if ( maxFPS > framerate ) { framerate = maxFPS; mParameters.setPreviewFrameRate(framerate); } CAMHAL_LOGDB("FPS Range [%d, %d]", minFPS, maxFPS); mParameters.set(TICameraParameters::KEY_MINFRAMERATE, minFPS); mParameters.set(TICameraParameters::KEY_MAXFRAMERATE, maxFPS); mParameters.set(CameraParameters::KEY_PREVIEW_FPS_RANGE, valstr); } if( ( valstr = params.get(TICameraParameters::KEY_GBCE) ) != NULL ) { CAMHAL_LOGDB("GBCE Value = %s", valstr); mParameters.set(TICameraParameters::KEY_GBCE, valstr); } if( ( valstr = params.get(TICameraParameters::KEY_GLBCE) ) != NULL ) { CAMHAL_LOGDB("GLBCE Value = %s", valstr); mParameters.set(TICameraParameters::KEY_GLBCE, valstr); } ///Update the current parameter set if( (valstr = params.get(TICameraParameters::KEY_AUTOCONVERGENCE)) != NULL) { CAMHAL_LOGDB("AutoConvergence Mode is set = %s", params.get(TICameraParameters::KEY_AUTOCONVERGENCE)); mParameters.set(TICameraParameters::KEY_AUTOCONVERGENCE, valstr); } // if(params.get(TICameraParameters::KEY_AUTOCONVERGENCE_MODE)!=NULL) // { // CAMHAL_LOGDB("AutoConvergence Mode is set = %s", params.get(TICameraParameters::KEY_AUTOCONVERGENCE_MODE)); // mParameters.set(TICameraParameters::KEY_AUTOCONVERGENCE_MODE, params.get(TICameraParameters::KEY_AUTOCONVERGENCE_MODE)); // } if( (valstr = params.get(TICameraParameters::KEY_MANUALCONVERGENCE_VALUES)) !=NULL ) { CAMHAL_LOGDB("ManualConvergence Value = %s", params.get(TICameraParameters::KEY_MANUALCONVERGENCE_VALUES)); mParameters.set(TICameraParameters::KEY_MANUALCONVERGENCE_VALUES, valstr); } if( ((valstr = params.get(TICameraParameters::KEY_EXPOSURE_MODE)) != NULL) && isParameterValid(params.get(TICameraParameters::KEY_EXPOSURE_MODE), mCameraProperties->get(CameraProperties::SUPPORTED_EXPOSURE_MODES))) { CAMHAL_LOGDB("Exposure set = %s", params.get(TICameraParameters::KEY_EXPOSURE_MODE)); mParameters.set(TICameraParameters::KEY_EXPOSURE_MODE, valstr); } if( ((valstr = params.get(CameraParameters::KEY_WHITE_BALANCE)) != NULL) && isParameterValid(params.get(CameraParameters::KEY_WHITE_BALANCE), mCameraProperties->get(CameraProperties::SUPPORTED_WHITE_BALANCE))) { CAMHAL_LOGDB("White balance set %s", params.get(CameraParameters::KEY_WHITE_BALANCE)); mParameters.set(CameraParameters::KEY_WHITE_BALANCE, valstr); } if( ((valstr = params.get(TICameraParameters::KEY_CONTRAST)) != NULL) && (params.getInt(TICameraParameters::KEY_CONTRAST) >= 0 )) { CAMHAL_LOGDB("Contrast set %s", params.get(TICameraParameters::KEY_CONTRAST)); mParameters.set(TICameraParameters::KEY_CONTRAST, valstr); } if( ((valstr =params.get(TICameraParameters::KEY_SHARPNESS)) != NULL) && params.getInt(TICameraParameters::KEY_SHARPNESS) >= 0 ) { CAMHAL_LOGDB("Sharpness set %s", params.get(TICameraParameters::KEY_SHARPNESS)); mParameters.set(TICameraParameters::KEY_SHARPNESS, valstr); } if( ((valstr = params.get(TICameraParameters::KEY_SATURATION)) != NULL) && (params.getInt(TICameraParameters::KEY_SATURATION) >= 0 ) ) { CAMHAL_LOGDB("Saturation set %s", params.get(TICameraParameters::KEY_SATURATION)); mParameters.set(TICameraParameters::KEY_SATURATION, valstr); } if( ((valstr = params.get(TICameraParameters::KEY_BRIGHTNESS)) != NULL) && (params.getInt(TICameraParameters::KEY_BRIGHTNESS) >= 0 )) { CAMHAL_LOGDB("Brightness set %s", params.get(TICameraParameters::KEY_BRIGHTNESS)); mParameters.set(TICameraParameters::KEY_BRIGHTNESS, valstr); } if( ((valstr = params.get(CameraParameters::KEY_ANTIBANDING)) != NULL) && isParameterValid(params.get(CameraParameters::KEY_ANTIBANDING), mCameraProperties->get(CameraProperties::SUPPORTED_ANTIBANDING))) { CAMHAL_LOGDB("Antibanding set %s", params.get(CameraParameters::KEY_ANTIBANDING)); mParameters.set(CameraParameters::KEY_ANTIBANDING, valstr); } if( ((valstr = params.get(TICameraParameters::KEY_ISO)) != NULL) && isParameterValid(params.get(TICameraParameters::KEY_ISO), mCameraProperties->get(CameraProperties::SUPPORTED_ISO_VALUES))) { CAMHAL_LOGDB("ISO set %s", params.get(TICameraParameters::KEY_ISO)); mParameters.set(TICameraParameters::KEY_ISO, valstr); } if( ((valstr = params.get(CameraParameters::KEY_FOCUS_MODE)) != NULL) && isParameterValid(params.get(CameraParameters::KEY_FOCUS_MODE), mCameraProperties->get(CameraProperties::SUPPORTED_FOCUS_MODES))) { CAMHAL_LOGDB("Focus mode set %s", params.get(CameraParameters::KEY_FOCUS_MODE)); mParameters.set(CameraParameters::KEY_FOCUS_MODE, valstr); } if( (valstr = params.get(CameraParameters::KEY_FOCUS_AREAS)) != NULL ) { CAMHAL_LOGEB("Focus areas position set %s", params.get(CameraParameters::KEY_FOCUS_AREAS)); mParameters.set(CameraParameters::KEY_FOCUS_AREAS, valstr); } if( (valstr = params.get(TICameraParameters::KEY_MEASUREMENT_ENABLE)) != NULL ) { CAMHAL_LOGDB("Measurements set to %s", params.get(TICameraParameters::KEY_MEASUREMENT_ENABLE)); mParameters.set(TICameraParameters::KEY_MEASUREMENT_ENABLE, valstr); if (strcmp(valstr, (const char *) TICameraParameters::MEASUREMENT_ENABLE) == 0) { mMeasurementEnabled = true; } else if (strcmp(valstr, (const char *) TICameraParameters::MEASUREMENT_DISABLE) == 0) { mMeasurementEnabled = false; } else { mMeasurementEnabled = false; } } if( (valstr = params.get(CameraParameters::KEY_EXPOSURE_COMPENSATION)) != NULL) { CAMHAL_LOGDB("Exposure compensation set %s", params.get(CameraParameters::KEY_EXPOSURE_COMPENSATION)); mParameters.set(CameraParameters::KEY_EXPOSURE_COMPENSATION, valstr); } if(( (valstr = params.get(CameraParameters::KEY_SCENE_MODE)) != NULL) && isParameterValid(params.get(CameraParameters::KEY_SCENE_MODE), mCameraProperties->get(CameraProperties::SUPPORTED_SCENE_MODES))) { CAMHAL_LOGDB("Scene mode set %s", params.get(CameraParameters::KEY_SCENE_MODE)); mParameters.set(CameraParameters::KEY_SCENE_MODE, valstr); } if(( (valstr = params.get(CameraParameters::KEY_FLASH_MODE)) != NULL) && isParameterValid(params.get(CameraParameters::KEY_FLASH_MODE), mCameraProperties->get(CameraProperties::SUPPORTED_FLASH_MODES))) { CAMHAL_LOGDB("Flash mode set %s", params.get(CameraParameters::KEY_FLASH_MODE)); mParameters.set(CameraParameters::KEY_FLASH_MODE, valstr); } if(( (valstr = params.get(CameraParameters::KEY_EFFECT)) != NULL) && isParameterValid(params.get(CameraParameters::KEY_EFFECT), mCameraProperties->get(CameraProperties::SUPPORTED_EFFECTS))) { CAMHAL_LOGDB("Effect set %s", params.get(CameraParameters::KEY_EFFECT)); mParameters.set(CameraParameters::KEY_EFFECT, valstr); } if(( (valstr = params.get(CameraParameters::KEY_ROTATION)) != NULL) && (params.getInt(CameraParameters::KEY_ROTATION) >=0)) { CAMHAL_LOGDB("Rotation set %s", params.get(CameraParameters::KEY_ROTATION)); mParameters.set(CameraParameters::KEY_ROTATION, valstr); } if(( (valstr = params.get(CameraParameters::KEY_JPEG_QUALITY)) != NULL) && (params.getInt(CameraParameters::KEY_JPEG_QUALITY) >=0)) { CAMHAL_LOGDB("Jpeg quality set %s", params.get(CameraParameters::KEY_JPEG_QUALITY)); mParameters.set(CameraParameters::KEY_JPEG_QUALITY, valstr); } if(( (valstr = params.get(CameraParameters::KEY_JPEG_THUMBNAIL_WIDTH)) != NULL) && (params.getInt(CameraParameters::KEY_JPEG_THUMBNAIL_WIDTH) >=0)) { CAMHAL_LOGDB("Thumbnail width set %s", params.get(CameraParameters::KEY_JPEG_THUMBNAIL_WIDTH)); mParameters.set(CameraParameters::KEY_JPEG_THUMBNAIL_WIDTH, valstr); } if(( (valstr = params.get(CameraParameters::KEY_JPEG_THUMBNAIL_HEIGHT)) != NULL) && (params.getInt(CameraParameters::KEY_JPEG_THUMBNAIL_HEIGHT) >=0)) { CAMHAL_LOGDB("Thumbnail width set %s", params.get(CameraParameters::KEY_JPEG_THUMBNAIL_HEIGHT)); mParameters.set(CameraParameters::KEY_JPEG_THUMBNAIL_HEIGHT, valstr); } if(( (valstr = params.get(CameraParameters::KEY_JPEG_THUMBNAIL_QUALITY)) != NULL ) && (params.getInt(CameraParameters::KEY_JPEG_THUMBNAIL_QUALITY) >=0)) { CAMHAL_LOGDB("Thumbnail quality set %s", params.get(CameraParameters::KEY_JPEG_THUMBNAIL_QUALITY)); mParameters.set(CameraParameters::KEY_JPEG_THUMBNAIL_QUALITY, valstr); } if( (valstr = params.get(CameraParameters::KEY_GPS_LATITUDE)) != NULL ) { CAMHAL_LOGDB("GPS latitude set %s", params.get(CameraParameters::KEY_GPS_LATITUDE)); mParameters.set(CameraParameters::KEY_GPS_LATITUDE, valstr); }else{ mParameters.remove(CameraParameters::KEY_GPS_LATITUDE); } if( (valstr = params.get(CameraParameters::KEY_GPS_LONGITUDE)) != NULL ) { CAMHAL_LOGDB("GPS longitude set %s", params.get(CameraParameters::KEY_GPS_LONGITUDE)); mParameters.set(CameraParameters::KEY_GPS_LONGITUDE, valstr); }else{ mParameters.remove(CameraParameters::KEY_GPS_LONGITUDE); } if( (valstr = params.get(CameraParameters::KEY_GPS_ALTITUDE)) != NULL ) { CAMHAL_LOGDB("GPS altitude set %s", params.get(CameraParameters::KEY_GPS_ALTITUDE)); mParameters.set(CameraParameters::KEY_GPS_ALTITUDE, valstr); }else{ mParameters.remove(CameraParameters::KEY_GPS_ALTITUDE); } if( (valstr = params.get(CameraParameters::KEY_GPS_TIMESTAMP)) != NULL ) { CAMHAL_LOGDB("GPS timestamp set %s", params.get(CameraParameters::KEY_GPS_TIMESTAMP)); mParameters.set(CameraParameters::KEY_GPS_TIMESTAMP, valstr); }else{ mParameters.remove(CameraParameters::KEY_GPS_TIMESTAMP); } if( (valstr = params.get(TICameraParameters::KEY_GPS_DATESTAMP)) != NULL ) { CAMHAL_LOGDB("GPS datestamp set %s", params.get(TICameraParameters::KEY_GPS_DATESTAMP)); mParameters.set(TICameraParameters::KEY_GPS_DATESTAMP, valstr); }else{ mParameters.remove(TICameraParameters::KEY_GPS_DATESTAMP); } if( (valstr = params.get(CameraParameters::KEY_GPS_PROCESSING_METHOD)) != NULL ) { CAMHAL_LOGDB("GPS processing method set %s", params.get(CameraParameters::KEY_GPS_PROCESSING_METHOD)); mParameters.set(CameraParameters::KEY_GPS_PROCESSING_METHOD, valstr); }else{ mParameters.remove(CameraParameters::KEY_GPS_PROCESSING_METHOD); } if( (valstr = params.get(TICameraParameters::KEY_GPS_MAPDATUM )) != NULL ) { CAMHAL_LOGDB("GPS MAPDATUM set %s", params.get(TICameraParameters::KEY_GPS_MAPDATUM)); mParameters.set(TICameraParameters::KEY_GPS_MAPDATUM, valstr); }else{ mParameters.remove(TICameraParameters::KEY_GPS_MAPDATUM); } if( (valstr = params.get(TICameraParameters::KEY_GPS_VERSION)) != NULL ) { CAMHAL_LOGDB("GPS MAPDATUM set %s", params.get(TICameraParameters::KEY_GPS_VERSION)); mParameters.set(TICameraParameters::KEY_GPS_VERSION, valstr); }else{ mParameters.remove(TICameraParameters::KEY_GPS_VERSION); } if( (valstr = params.get(TICameraParameters::KEY_EXIF_MODEL)) != NULL ) { CAMHAL_LOGDB("EXIF Model set %s", params.get(TICameraParameters::KEY_EXIF_MODEL)); mParameters.set(TICameraParameters::KEY_EXIF_MODEL, valstr); } if( (valstr = params.get(TICameraParameters::KEY_EXIF_MAKE)) != NULL ) { CAMHAL_LOGDB("EXIF Make set %s", params.get(TICameraParameters::KEY_EXIF_MAKE)); mParameters.set(TICameraParameters::KEY_EXIF_MAKE, valstr); } if( (valstr = params.get(TICameraParameters::KEY_EXP_BRACKETING_RANGE)) != NULL ) { CAMHAL_LOGDB("Exposure Bracketing set %s", params.get(TICameraParameters::KEY_EXP_BRACKETING_RANGE)); mParameters.set(TICameraParameters::KEY_EXP_BRACKETING_RANGE, valstr); } else { mParameters.remove(TICameraParameters::KEY_EXP_BRACKETING_RANGE); } if( ( (valstr = params.get(CameraParameters::KEY_ZOOM)) != NULL ) && (params.getInt(CameraParameters::KEY_ZOOM) >= 0 ) && (params.getInt(CameraParameters::KEY_ZOOM) <= mMaxZoomSupported ) ) { CAMHAL_LOGDB("Zoom set %s", params.get(CameraParameters::KEY_ZOOM)); mParameters.set(CameraParameters::KEY_ZOOM, valstr); } else { //CTS requirement: Invalid zoom values should always return an error. ret = -EINVAL; } if( (valstr = params.get(CameraParameters::KEY_AUTO_EXPOSURE_LOCK)) != NULL ) { CAMHAL_LOGDB("Auto Exposure Lock set %s", params.get(CameraParameters::KEY_AUTO_EXPOSURE_LOCK)); mParameters.set(CameraParameters::KEY_AUTO_EXPOSURE_LOCK, valstr); } if( (valstr = params.get(CameraParameters::KEY_AUTO_WHITEBALANCE_LOCK)) != NULL ) { CAMHAL_LOGDB("Auto WhiteBalance Lock set %s", params.get(CameraParameters::KEY_AUTO_WHITEBALANCE_LOCK)); mParameters.set(CameraParameters::KEY_AUTO_WHITEBALANCE_LOCK, valstr); } CameraParameters adapterParams = mParameters; //If the app has not set the capture mode, set the capture resolution as preview resolution //so that black bars are not displayed in preview. //Later in takePicture we will configure the correct picture size if(params.get(TICameraParameters::KEY_CAP_MODE) == NULL) { CAMHAL_LOGDA("Capture mode not set by app, setting picture res to preview res"); mParameters.getPreviewSize(&w, &h); adapterParams.setPictureSize(w,h); } // Only send parameters to adapter if preview is already // enabled. Initial setParameters to camera adapter, will // be called in startPreview() if ( NULL != mCameraAdapter && mPreviewEnabled ) { ret |= mCameraAdapter->setParameters(adapterParams); } if( NULL != params.get(TICameraParameters::KEY_TEMP_BRACKETING_RANGE_POS) ) { int posBracketRange = params.getInt(TICameraParameters::KEY_TEMP_BRACKETING_RANGE_POS); if ( 0 < posBracketRange ) { mBracketRangePositive = posBracketRange; } } CAMHAL_LOGDB("Positive bracketing range %d", mBracketRangePositive); if( NULL != params.get(TICameraParameters::KEY_TEMP_BRACKETING_RANGE_NEG) ) { int negBracketRange = params.getInt(TICameraParameters::KEY_TEMP_BRACKETING_RANGE_NEG); if ( 0 < negBracketRange ) { mBracketRangeNegative = negBracketRange; } } CAMHAL_LOGDB("Negative bracketing range %d", mBracketRangeNegative); if( ( (valstr = params.get(TICameraParameters::KEY_TEMP_BRACKETING)) != NULL) && ( strcmp(valstr, TICameraParameters::BRACKET_ENABLE) == 0 )) { if ( !mBracketingEnabled ) { CAMHAL_LOGDA("Enabling bracketing"); mBracketingEnabled = true; //Wait for AF events to enable bracketing if ( NULL != mCameraAdapter ) { setEventProvider( CameraHalEvent::ALL_EVENTS, mCameraAdapter ); } } else { CAMHAL_LOGDA("Bracketing already enabled"); } } else if ( ( (valstr = params.get(TICameraParameters::KEY_TEMP_BRACKETING)) != NULL ) && ( strcmp(valstr, TICameraParameters::BRACKET_DISABLE) == 0 )) { CAMHAL_LOGDA("Disabling bracketing"); mBracketingEnabled = false; stopImageBracketing(); //Remove AF events subscription if ( NULL != mEventProvider ) { mEventProvider->disableEventNotification( CameraHalEvent::ALL_EVENTS ); delete mEventProvider; mEventProvider = NULL; } } if( ( (valstr = params.get(TICameraParameters::KEY_SHUTTER_ENABLE)) != NULL ) && ( strcmp(valstr, TICameraParameters::SHUTTER_ENABLE) == 0 )) { CAMHAL_LOGDA("Enabling shutter sound"); mShutterEnabled = true; mMsgEnabled |= CAMERA_MSG_SHUTTER; mParameters.set(TICameraParameters::KEY_SHUTTER_ENABLE, valstr); } else if ( ( (valstr = params.get(TICameraParameters::KEY_SHUTTER_ENABLE)) != NULL ) && ( strcmp(valstr, TICameraParameters::SHUTTER_DISABLE) == 0 )) { CAMHAL_LOGDA("Disabling shutter sound"); mShutterEnabled = false; mMsgEnabled &= ~CAMERA_MSG_SHUTTER; mParameters.set(TICameraParameters::KEY_SHUTTER_ENABLE, valstr); } LOG_FUNCTION_NAME_EXIT; return ret; } status_t CameraHal::allocPreviewBufs(int width, int height, const char* previewFormat, unsigned int buffercount, unsigned int &max_queueable) { status_t ret = NO_ERROR; LOG_FUNCTION_NAME; if(mDisplayAdapter.get() == NULL) { // Memory allocation of preview buffers is now placed in gralloc // CameraHal should not allocate preview buffers without DisplayAdapter return NO_MEMORY; } if(!mPreviewBufs) { ///@todo Pluralise the name of this method to allocateBuffers mPreviewLength = 0; mPreviewBufs = (int32_t *) mDisplayAdapter->allocateBuffer(width, height, previewFormat, mPreviewLength, buffercount); if (NULL == mPreviewBufs ) { CAMHAL_LOGEA("Couldn't allocate preview buffers"); return NO_MEMORY; } mPreviewOffsets = (uint32_t *) mDisplayAdapter->getOffsets(); if ( NULL == mPreviewOffsets ) { CAMHAL_LOGEA("Buffer mapping failed"); return BAD_VALUE; } mPreviewFd = mDisplayAdapter->getFd(); if ( -1 == mPreviewFd ) { CAMHAL_LOGEA("Invalid handle"); return BAD_VALUE; } mBufProvider = (BufferProvider*) mDisplayAdapter.get(); ret = mDisplayAdapter->maxQueueableBuffers(max_queueable); if (ret != NO_ERROR) { return ret; } } LOG_FUNCTION_NAME_EXIT; return ret; } status_t CameraHal::freePreviewBufs() { status_t ret = NO_ERROR; LOG_FUNCTION_NAME; CAMHAL_LOGDB("mPreviewBufs = 0x%x", (unsigned int)mPreviewBufs); if(mPreviewBufs) { ///@todo Pluralise the name of this method to freeBuffers ret = mBufProvider->freeBuffer(mPreviewBufs); mPreviewBufs = NULL; LOG_FUNCTION_NAME_EXIT; return ret; } LOG_FUNCTION_NAME_EXIT; return ret; } status_t CameraHal::allocPreviewDataBufs(size_t size, size_t bufferCount) { status_t ret = NO_ERROR; int bytes; LOG_FUNCTION_NAME; bytes = size; if ( NO_ERROR == ret ) { if( NULL != mPreviewDataBufs ) { ret = freePreviewDataBufs(); } } if ( NO_ERROR == ret ) { mPreviewDataBufs = (int32_t *)mMemoryManager->allocateBuffer(0, 0, NULL, bytes, bufferCount); CAMHAL_LOGDB("Size of Preview data buffer = %d", bytes); if( NULL == mPreviewDataBufs ) { CAMHAL_LOGEA("Couldn't allocate image buffers using memory manager"); ret = -NO_MEMORY; } else { bytes = size; } } if ( NO_ERROR == ret ) { mPreviewDataFd = mMemoryManager->getFd(); mPreviewDataLength = bytes; mPreviewDataOffsets = mMemoryManager->getOffsets(); } else { mPreviewDataFd = -1; mPreviewDataLength = 0; mPreviewDataOffsets = NULL; } LOG_FUNCTION_NAME; return ret; } status_t CameraHal::freePreviewDataBufs() { status_t ret = NO_ERROR; LOG_FUNCTION_NAME; if ( NO_ERROR == ret ) { if( NULL != mPreviewDataBufs ) { ///@todo Pluralise the name of this method to freeBuffers ret = mMemoryManager->freeBuffer(mPreviewDataBufs); mPreviewDataBufs = NULL; } else { CAMHAL_LOGEA("Couldn't free PreviewDataBufs allocated by memory manager"); ret = -EINVAL; } } LOG_FUNCTION_NAME_EXIT; return ret; } status_t CameraHal::allocImageBufs(unsigned int width, unsigned int height, size_t size, const char* previewFormat, unsigned int bufferCount) { status_t ret = NO_ERROR; int bytes; LOG_FUNCTION_NAME; bytes = size; ///Always allocate the buffers for image capture using MemoryManager if ( NO_ERROR == ret ) { if( ( NULL != mImageBufs ) ) { ret = freeImageBufs(); } } if ( NO_ERROR == ret ) { mImageBufs = (int32_t *)mMemoryManager->allocateBuffer(0, 0, previewFormat, bytes, bufferCount); CAMHAL_LOGDB("Size of Image cap buffer = %d", bytes); if( NULL == mImageBufs ) { CAMHAL_LOGEA("Couldn't allocate image buffers using memory manager"); ret = -NO_MEMORY; } else { bytes = size; } } if ( NO_ERROR == ret ) { mImageFd = mMemoryManager->getFd(); mImageLength = bytes; mImageOffsets = mMemoryManager->getOffsets(); } else { mImageFd = -1; mImageLength = 0; mImageOffsets = NULL; } LOG_FUNCTION_NAME; return ret; } void endImageCapture( void *userData) { LOG_FUNCTION_NAME; if ( NULL != userData ) { CameraHal *c = reinterpret_cast(userData); c->signalEndImageCapture(); } LOG_FUNCTION_NAME_EXIT; } void releaseImageBuffers(void *userData) { LOG_FUNCTION_NAME; if ( NULL != userData ) { CameraHal *c = reinterpret_cast(userData); c->freeImageBufs(); } LOG_FUNCTION_NAME_EXIT; } status_t CameraHal::signalEndImageCapture() { status_t ret = NO_ERROR; int w,h; CameraParameters adapterParams = mParameters; Mutex::Autolock lock(mLock); LOG_FUNCTION_NAME; mCameraAdapter->sendCommand(CameraAdapter::CAMERA_STOP_IMAGE_CAPTURE); //If the app has not set the capture mode, restore the capture resolution //back to the preview resolution to get rid of the black bars issue if (mParameters.get(TICameraParameters::KEY_CAP_MODE) == NULL) { CAMHAL_LOGDA("Capture mode not set by app, setting picture res back to preview res"); mParameters.getPreviewSize(&w, &h); adapterParams.setPictureSize(w,h); ret = mCameraAdapter->setParameters(adapterParams); } LOG_FUNCTION_NAME_EXIT; return ret; } status_t CameraHal::freeImageBufs() { status_t ret = NO_ERROR; LOG_FUNCTION_NAME; if ( NO_ERROR == ret ) { if( NULL != mImageBufs ) { ///@todo Pluralise the name of this method to freeBuffers ret = mMemoryManager->freeBuffer(mImageBufs); mImageBufs = NULL; } else { ret = -EINVAL; } } LOG_FUNCTION_NAME_EXIT; return ret; } /** @brief Start preview mode. @param none @return NO_ERROR Camera switched to VF mode @todo Update function header with the different errors that are possible */ status_t CameraHal::startPreview() { status_t ret = NO_ERROR; CameraAdapter::BuffersDescriptor desc; CameraFrame frame; const char *valstr = NULL; unsigned int required_buffer_count; unsigned int max_queueble_buffers; #if PPM_INSTRUMENTATION || PPM_INSTRUMENTATION_ABS gettimeofday(&mStartPreview, NULL); #endif LOG_FUNCTION_NAME; if( (mDisplayAdapter.get() != NULL) && ( !mPreviewEnabled ) && ( mDisplayPaused ) ) { CAMHAL_LOGDA("Preview is in paused state"); mDisplayPaused = false; mPreviewEnabled = true; if ( NO_ERROR == ret ) { ret = mDisplayAdapter->pauseDisplay(mDisplayPaused); if ( NO_ERROR != ret ) { CAMHAL_LOGEB("Display adapter resume failed %x", ret); } } //restart preview callbacks if(mMsgEnabled & CAMERA_MSG_PREVIEW_FRAME) { mAppCallbackNotifier->enableMsgType (CAMERA_MSG_PREVIEW_FRAME); } return ret; } else if ( mPreviewEnabled ) { CAMHAL_LOGDA("Preview already running"); LOG_FUNCTION_NAME_EXIT; return ALREADY_EXISTS; } ///If we don't have the preview callback enabled and display adapter, if(!mSetPreviewWindowCalled || (mDisplayAdapter.get() == NULL)) { CAMHAL_LOGEA("Preview not started. Preview in progress flag set"); mPreviewStartInProgress = true; return NO_ERROR; } if ( NULL != mCameraAdapter ) { CameraParameters adapterParams = mParameters; //If the app has not set the capture mode, set the capture resolution as preview resolution //so that black bars are not displayed in preview. //Later in takePicture we will configure the correct picture size if(mParameters.get(TICameraParameters::KEY_CAP_MODE) == NULL) { int w,h; CAMHAL_LOGDA("Capture mode not set by app, setting picture res to preview res"); mParameters.getPreviewSize(&w, &h); adapterParams.setPictureSize(w,h); } ret = mCameraAdapter->setParameters(adapterParams); } /// Ensure that buffers for preview are allocated before we start the camera ///Get the updated size from Camera Adapter, to account for padding etc ret = mCameraAdapter->sendCommand(CameraAdapter::CAMERA_QUERY_RESOLUTION_PREVIEW, ( int ) &frame); if ( NO_ERROR != ret ) { return ret; } ///Update the current preview width and height mPreviewWidth = frame.mWidth; mPreviewHeight = frame.mHeight; //Update the padded width and height - required for VNF and VSTAB mParameters.set(TICameraParameters::KEY_PADDED_WIDTH, mPreviewWidth); mParameters.set(TICameraParameters::KEY_PADDED_HEIGHT, mPreviewHeight); required_buffer_count = atoi(mCameraProperties->get(CameraProperties::REQUIRED_PREVIEW_BUFS)); ///Allocate the preview buffers ret = allocPreviewBufs(frame.mWidth, frame.mHeight, mParameters.getPreviewFormat(), required_buffer_count, max_queueble_buffers); if ( NO_ERROR != ret ) { CAMHAL_LOGEA("Couldn't allocate buffers for Preview"); goto error; } if ( mMeasurementEnabled ) { ret = mCameraAdapter->sendCommand(CameraAdapter::CAMERA_QUERY_BUFFER_SIZE_PREVIEW_DATA, ( int ) &frame, required_buffer_count); if ( NO_ERROR != ret ) { return ret; } ///Allocate the preview data buffers ret = allocPreviewDataBufs(frame.mLength, required_buffer_count); if ( NO_ERROR != ret ) { CAMHAL_LOGEA("Couldn't allocate preview data buffers"); goto error; } if ( NO_ERROR == ret ) { desc.mBuffers = mPreviewDataBufs; desc.mOffsets = mPreviewDataOffsets; desc.mFd = mPreviewDataFd; desc.mLength = mPreviewDataLength; desc.mCount = ( size_t ) required_buffer_count; desc.mMaxQueueable = (size_t) required_buffer_count; mCameraAdapter->sendCommand(CameraAdapter::CAMERA_USE_BUFFERS_PREVIEW_DATA, ( int ) &desc); } } ///Pass the buffers to Camera Adapter desc.mBuffers = mPreviewBufs; desc.mOffsets = mPreviewOffsets; desc.mFd = mPreviewFd; desc.mLength = mPreviewLength; desc.mCount = ( size_t ) required_buffer_count; desc.mMaxQueueable = (size_t) max_queueble_buffers; mCameraAdapter->sendCommand(CameraAdapter::CAMERA_USE_BUFFERS_PREVIEW, ( int ) &desc); mAppCallbackNotifier->startPreviewCallbacks(mParameters, mPreviewBufs, mPreviewOffsets, mPreviewFd, mPreviewLength, required_buffer_count); ///Start the callback notifier ret = mAppCallbackNotifier->start(); if( ALREADY_EXISTS == ret ) { //Already running, do nothing CAMHAL_LOGDA("AppCallbackNotifier already running"); ret = NO_ERROR; } else if ( NO_ERROR == ret ) { CAMHAL_LOGDA("Started AppCallbackNotifier.."); mAppCallbackNotifier->setMeasurements(mMeasurementEnabled); } else { CAMHAL_LOGDA("Couldn't start AppCallbackNotifier"); goto error; } ///Enable the display adapter if present, actual overlay enable happens when we post the buffer if(mDisplayAdapter.get() != NULL) { CAMHAL_LOGDA("Enabling display"); bool isS3d = false; DisplayAdapter::S3DParameters s3dParams; int width, height; mParameters.getPreviewSize(&width, &height); #if 0 //TODO: s3d is not part of bringup...will reenable if ( (valstr = mParameters.get(TICameraParameters::KEY_S3D_SUPPORTED)) != NULL) { isS3d = (strcmp(valstr, "true") == 0); } if ( (valstr = mParameters.get(TICameraParameters::KEY_S3D2D_PREVIEW)) != NULL) { if (strcmp(valstr, "off") == 0) { CAMHAL_LOGEA("STEREO 3D->2D PREVIEW MODE IS OFF"); //TODO: obtain the frame packing configuration from camera or user settings //once side by side configuration is supported s3dParams.mode = OVERLAY_S3D_MODE_ON; s3dParams.framePacking = OVERLAY_S3D_FORMAT_OVERUNDER; s3dParams.order = OVERLAY_S3D_ORDER_LF; s3dParams.subSampling = OVERLAY_S3D_SS_NONE; } else { CAMHAL_LOGEA("STEREO 3D->2D PREVIEW MODE IS ON"); s3dParams.mode = OVERLAY_S3D_MODE_OFF; s3dParams.framePacking = OVERLAY_S3D_FORMAT_OVERUNDER; s3dParams.order = OVERLAY_S3D_ORDER_LF; s3dParams.subSampling = OVERLAY_S3D_SS_NONE; } } #endif //if 0 #if PPM_INSTRUMENTATION || PPM_INSTRUMENTATION_ABS ret = mDisplayAdapter->enableDisplay(width, height, &mStartPreview, isS3d ? &s3dParams : NULL); #else ret = mDisplayAdapter->enableDisplay(width, height, NULL, isS3d ? &s3dParams : NULL); #endif if ( ret != NO_ERROR ) { CAMHAL_LOGEA("Couldn't enable display"); goto error; } } ///Send START_PREVIEW command to adapter CAMHAL_LOGDA("Starting CameraAdapter preview mode"); ret = mCameraAdapter->sendCommand(CameraAdapter::CAMERA_START_PREVIEW); if(ret!=NO_ERROR) { CAMHAL_LOGEA("Couldn't start preview w/ CameraAdapter"); goto error; } CAMHAL_LOGDA("Started preview"); mPreviewEnabled = true; mPreviewStartInProgress = false; return ret; error: CAMHAL_LOGEA("Performing cleanup after error"); //Do all the cleanup freePreviewBufs(); mCameraAdapter->sendCommand(CameraAdapter::CAMERA_STOP_PREVIEW); if(mDisplayAdapter.get() != NULL) { mDisplayAdapter->disableDisplay(); } mAppCallbackNotifier->stop(); mPreviewStartInProgress = false; mPreviewEnabled = false; LOG_FUNCTION_NAME_EXIT; return ret; } /** @brief Sets ANativeWindow object. Preview buffers provided to CameraHal via this object. DisplayAdapter will be interfacing with it to render buffers to display. @param[in] window The ANativeWindow object created by Surface flinger @return NO_ERROR If the ANativeWindow object passes validation criteria @todo Define validation criteria for ANativeWindow object. Define error codes for scenarios */ status_t CameraHal::setPreviewWindow(struct preview_stream_ops *window) { status_t ret = NO_ERROR; CameraAdapter::BuffersDescriptor desc; LOG_FUNCTION_NAME; mSetPreviewWindowCalled = true; ///If the Camera service passes a null window, we destroy existing window and free the DisplayAdapter if(!window) { if(mDisplayAdapter.get() != NULL) { ///NULL window passed, destroy the display adapter if present CAMHAL_LOGEA("NULL window passed, destroying display adapter"); mDisplayAdapter.clear(); ///@remarks If there was a window previously existing, we usually expect another valid window to be passed by the client ///@remarks so, we will wait until it passes a valid window to begin the preview again mSetPreviewWindowCalled = false; } CAMHAL_LOGEA("NULL ANativeWindow passed to setPreviewWindow"); return NO_ERROR; }else if(mDisplayAdapter.get() == NULL) { // Need to create the display adapter since it has not been created // Create display adapter mDisplayAdapter = new ANativeWindowDisplayAdapter(); ret = NO_ERROR; if(!mDisplayAdapter.get() || ((ret=mDisplayAdapter->initialize())!=NO_ERROR)) { if(ret!=NO_ERROR) { mDisplayAdapter.clear(); CAMHAL_LOGEA("DisplayAdapter initialize failed"); LOG_FUNCTION_NAME_EXIT; return ret; } else { CAMHAL_LOGEA("Couldn't create DisplayAdapter"); LOG_FUNCTION_NAME_EXIT; return NO_MEMORY; } } // DisplayAdapter needs to know where to get the CameraFrames from inorder to display // Since CameraAdapter is the one that provides the frames, set it as the frame provider for DisplayAdapter mDisplayAdapter->setFrameProvider(mCameraAdapter); // Any dynamic errors that happen during the camera use case has to be propagated back to the application // via CAMERA_MSG_ERROR. AppCallbackNotifier is the class that notifies such errors to the application // Set it as the error handler for the DisplayAdapter mDisplayAdapter->setErrorHandler(mAppCallbackNotifier.get()); // Update the display adapter with the new window that is passed from CameraService ret = mDisplayAdapter->setPreviewWindow(window); if(ret!=NO_ERROR) { CAMHAL_LOGEB("DisplayAdapter setPreviewWindow returned error %d", ret); } if(mPreviewStartInProgress) { CAMHAL_LOGDA("setPreviewWindow called when preview running"); // Start the preview since the window is now available ret = startPreview(); } }else { /* If mDisplayAdpater is already created. No need to do anything. * We get a surface handle directly now, so we can reconfigure surface * itself in DisplayAdapter if dimensions have changed */ } LOG_FUNCTION_NAME_EXIT; return ret; } /** @brief Stop a previously started preview. @param none @return none */ void CameraHal::stopPreview() { LOG_FUNCTION_NAME; if(!previewEnabled() && !mDisplayPaused) { LOG_FUNCTION_NAME_EXIT; return; } if(mDisplayPaused) { // Display is paused, which essentially means there is no preview active. // Note: this is done so that when stopPreview is called by client after // an image capture, we do not de-initialize the camera adapter and // restart over again. return; } forceStopPreview(); CAMHAL_LOGDA("Resetting Capture-Mode to default"); mParameters.set(TICameraParameters::KEY_CAP_MODE, ""); LOG_FUNCTION_NAME_EXIT; } /** @brief Returns true if preview is enabled @param none @return true If preview is running currently false If preview has been stopped */ bool CameraHal::previewEnabled() { LOG_FUNCTION_NAME; return (mPreviewEnabled || mPreviewStartInProgress); } /** @brief Start record mode. When a record image is available a CAMERA_MSG_VIDEO_FRAME message is sent with the corresponding frame. Every record frame must be released by calling releaseRecordingFrame(). @param none @return NO_ERROR If recording could be started without any issues @todo Update the header with possible error values in failure scenarios */ status_t CameraHal::startRecording( ) { int w, h; status_t ret = NO_ERROR; LOG_FUNCTION_NAME; #if PPM_INSTRUMENTATION || PPM_INSTRUMENTATION_ABS gettimeofday(&mStartPreview, NULL); #endif if(!previewEnabled()) { return NO_INIT; } if ( NO_ERROR == ret ) { ret = setVideoModeParameters(); } if ( NO_ERROR == ret ) { ret = mAppCallbackNotifier->initSharedVideoBuffers(mPreviewBufs, mPreviewOffsets, mPreviewFd, mPreviewLength, atoi(mCameraProperties->get(CameraProperties::REQUIRED_PREVIEW_BUFS))); } if ( NO_ERROR == ret ) { ret = mAppCallbackNotifier->startRecording(); } if ( NO_ERROR == ret ) { ///Buffers for video capture (if different from preview) are expected to be allocated within CameraAdapter ret = mCameraAdapter->sendCommand(CameraAdapter::CAMERA_START_VIDEO); } if ( NO_ERROR == ret ) { mRecordingEnabled = true; } LOG_FUNCTION_NAME_EXIT; return ret; } /** @brief Set the camera parameters specific to Video Recording. This function checks for the camera parameters which have to be set for recording. Video Recording needs CAPTURE_MODE to be VIDEO_MODE. This function sets it. This function also enables Video Recording specific functions like VSTAB & VNF. @param none @return NO_ERROR If recording parameters could be set without any issues @todo Modify the policies for enabling VSTAB & VNF usecase based later. */ status_t CameraHal::setVideoModeParameters() { const char *valstr = NULL; bool restartPreviewRequired = false; status_t ret = NO_ERROR; LOG_FUNCTION_NAME; // Set CAPTURE_MODE to VIDEO_MODE, if not set already and Restart Preview valstr = mParameters.get(TICameraParameters::KEY_CAP_MODE); if ( (valstr == NULL) || ( (valstr != NULL) && (strcmp(valstr, (const char *) TICameraParameters::VIDEO_MODE) != 0) ) ) { CAMHAL_LOGDA("Set CAPTURE_MODE to VIDEO_MODE"); mParameters.set(TICameraParameters::KEY_CAP_MODE, (const char *) TICameraParameters::VIDEO_MODE); restartPreviewRequired = true; } // FIXME: This check is put since currently VSTAB and VNF are functional only for Primary Camera. // Remove this check once VSTAB and VNF are functional for Secondary Camera as well. if(mCameraIndex == 0) { // Check if CAPTURE_MODE is VIDEO_MODE, since VSTAB & VNF work only in VIDEO_MODE. valstr = mParameters.get(TICameraParameters::KEY_CAP_MODE); if (strcmp(valstr, (const char *) TICameraParameters::VIDEO_MODE) == 0) { // Enable VSTAB, if not enabled already valstr = mParameters.get(TICameraParameters::KEY_VSTAB); if ( (valstr == NULL) || ( (valstr != NULL) && (strcmp(valstr, "1") != 0) ) ) { CAMHAL_LOGDA("Enable VSTAB"); mParameters.set(TICameraParameters::KEY_VSTAB, "1"); restartPreviewRequired = true; } // Enable VNF, if not enabled already valstr = mParameters.get(TICameraParameters::KEY_VNF); if ( (valstr == NULL) || ( (valstr != NULL) && (strcmp(valstr, "1") != 0) ) ) { CAMHAL_LOGDA("Enable VNF"); mParameters.set(TICameraParameters::KEY_VNF, "1"); restartPreviewRequired = true; } // For VSTAB alone for 1080p resolution, padded width goes > 2048, which cannot be rendered by GPU. // In such case, there is support in Ducati for combination of VSTAB & VNF requiring padded width < 2048. // So we are forcefully enabling VNF, if VSTAB is enabled for 1080p resolution. valstr = mParameters.get(TICameraParameters::KEY_VSTAB); if ((valstr != NULL) && (strcmp(valstr, "1") == 0) && (mPreviewWidth == 1920)) { CAMHAL_LOGDA("Force Enable VNF for 1080p"); mParameters.set(TICameraParameters::KEY_VNF, "1"); restartPreviewRequired = true; } } } if (restartPreviewRequired) { CAMHAL_LOGDA("Restarting preview"); stopPreview(); // Setting CAPTURE_MODE to VIDEO_MODE again, since it is reset in stopPreview() mParameters.set(TICameraParameters::KEY_CAP_MODE, (const char *) TICameraParameters::VIDEO_MODE); mCameraAdapter->setParameters(mParameters); ret = startPreview(); } LOG_FUNCTION_NAME_EXIT; return ret; } /** @brief Stop a previously started recording. @param none @return none */ void CameraHal::stopRecording() { LOG_FUNCTION_NAME; if (!mRecordingEnabled ) { return; } mAppCallbackNotifier->stopRecording(); mCameraAdapter->sendCommand(CameraAdapter::CAMERA_STOP_VIDEO); mRecordingEnabled = false; LOG_FUNCTION_NAME_EXIT; } /** @brief Returns true if recording is enabled. @param none @return true If recording is currently running false If recording has been stopped */ int CameraHal::recordingEnabled() { LOG_FUNCTION_NAME; LOG_FUNCTION_NAME_EXIT; return mRecordingEnabled; } /** @brief Release a record frame previously returned by CAMERA_MSG_VIDEO_FRAME. @param[in] mem MemoryBase pointer to the frame being released. Must be one of the buffers previously given by CameraHal @return none */ void CameraHal::releaseRecordingFrame(const void* mem) { LOG_FUNCTION_NAME; //CAMHAL_LOGDB(" 0x%x", mem->pointer()); if ( ( mRecordingEnabled ) && mem != NULL) { mAppCallbackNotifier->releaseRecordingFrame(mem); } LOG_FUNCTION_NAME_EXIT; return; } /** @brief Start auto focus This call asynchronous. The notification callback routine is called with CAMERA_MSG_FOCUS once when focusing is complete. autoFocus() will be called again if another auto focus is needed. @param none @return NO_ERROR @todo Define the error codes if the focus is not locked */ status_t CameraHal::autoFocus() { status_t ret = NO_ERROR; #if PPM_INSTRUMENTATION || PPM_INSTRUMENTATION_ABS gettimeofday(&mStartFocus, NULL); #endif LOG_FUNCTION_NAME; if ( NULL != mCameraAdapter ) { #if PPM_INSTRUMENTATION || PPM_INSTRUMENTATION_ABS //pass the autoFocus timestamp along with the command to camera adapter ret = mCameraAdapter->sendCommand(CameraAdapter::CAMERA_PERFORM_AUTOFOCUS, ( int ) &mStartFocus); #else ret = mCameraAdapter->sendCommand(CameraAdapter::CAMERA_PERFORM_AUTOFOCUS); #endif } else { ret = -1; } LOG_FUNCTION_NAME_EXIT; return ret; } /** @brief Cancels auto-focus function. If the auto-focus is still in progress, this function will cancel it. Whether the auto-focus is in progress or not, this function will return the focus position to the default. If the camera does not support auto-focus, this is a no-op. @param none @return NO_ERROR If the cancel succeeded @todo Define error codes if cancel didnt succeed */ status_t CameraHal::cancelAutoFocus() { LOG_FUNCTION_NAME; if( NULL != mCameraAdapter ) { mCameraAdapter->sendCommand(CameraAdapter::CAMERA_CANCEL_AUTOFOCUS); } LOG_FUNCTION_NAME_EXIT; return NO_ERROR; } void CameraHal::setEventProvider(int32_t eventMask, MessageNotifier * eventNotifier) { LOG_FUNCTION_NAME; if ( NULL != mEventProvider ) { mEventProvider->disableEventNotification(CameraHalEvent::ALL_EVENTS); delete mEventProvider; mEventProvider = NULL; } mEventProvider = new EventProvider(eventNotifier, this, eventCallbackRelay); if ( NULL == mEventProvider ) { CAMHAL_LOGEA("Error in creating EventProvider"); } else { mEventProvider->enableEventNotification(eventMask); } LOG_FUNCTION_NAME_EXIT; } void CameraHal::eventCallbackRelay(CameraHalEvent* event) { LOG_FUNCTION_NAME; CameraHal *appcbn = ( CameraHal * ) (event->mCookie); appcbn->eventCallback(event ); LOG_FUNCTION_NAME_EXIT; } void CameraHal::eventCallback(CameraHalEvent* event) { LOG_FUNCTION_NAME; if ( NULL != event ) { switch( event->mEventType ) { case CameraHalEvent::EVENT_FOCUS_LOCKED: case CameraHalEvent::EVENT_FOCUS_ERROR: { if ( mBracketingEnabled ) { startImageBracketing(); } break; } default: { break; } }; } LOG_FUNCTION_NAME_EXIT; } status_t CameraHal::startImageBracketing() { status_t ret = NO_ERROR; CameraFrame frame; CameraAdapter::BuffersDescriptor desc; #if PPM_INSTRUMENTATION || PPM_INSTRUMENTATION_ABS gettimeofday(&mStartCapture, NULL); #endif LOG_FUNCTION_NAME; if(!previewEnabled() && !mDisplayPaused) { LOG_FUNCTION_NAME_EXIT; return NO_INIT; } if ( !mBracketingEnabled ) { return ret; } if ( NO_ERROR == ret ) { mBracketingRunning = true; } if ( (NO_ERROR == ret) && ( NULL != mCameraAdapter ) ) { ret = mCameraAdapter->sendCommand(CameraAdapter::CAMERA_QUERY_BUFFER_SIZE_IMAGE_CAPTURE, ( int ) &frame, ( mBracketRangeNegative + 1 )); if ( NO_ERROR != ret ) { CAMHAL_LOGEB("CAMERA_QUERY_BUFFER_SIZE_IMAGE_CAPTURE returned error 0x%x", ret); } } if ( NO_ERROR == ret ) { if ( NULL != mAppCallbackNotifier.get() ) { mAppCallbackNotifier->setBurst(true); } } if ( NO_ERROR == ret ) { mParameters.getPictureSize(( int * ) &frame.mWidth, ( int * ) &frame.mHeight); ret = allocImageBufs(frame.mWidth, frame.mHeight, frame.mLength, mParameters.getPictureFormat(), ( mBracketRangeNegative + 1 )); if ( NO_ERROR != ret ) { CAMHAL_LOGEB("allocImageBufs returned error 0x%x", ret); } } if ( (NO_ERROR == ret) && ( NULL != mCameraAdapter ) ) { desc.mBuffers = mImageBufs; desc.mOffsets = mImageOffsets; desc.mFd = mImageFd; desc.mLength = mImageLength; desc.mCount = ( size_t ) ( mBracketRangeNegative + 1 ); desc.mMaxQueueable = ( size_t ) ( mBracketRangeNegative + 1 ); ret = mCameraAdapter->sendCommand(CameraAdapter::CAMERA_USE_BUFFERS_IMAGE_CAPTURE, ( int ) &desc); if ( NO_ERROR == ret ) { #if PPM_INSTRUMENTATION || PPM_INSTRUMENTATION_ABS //pass capture timestamp along with the camera adapter command ret = mCameraAdapter->sendCommand(CameraAdapter::CAMERA_START_BRACKET_CAPTURE, ( mBracketRangePositive + 1 ), (int) &mStartCapture); #else ret = mCameraAdapter->sendCommand(CameraAdapter::CAMERA_START_BRACKET_CAPTURE, ( mBracketRangePositive + 1 )); #endif } } return ret; } status_t CameraHal::stopImageBracketing() { status_t ret = NO_ERROR; LOG_FUNCTION_NAME; if ( !mBracketingRunning ) { return ret; } if ( NO_ERROR == ret ) { mBracketingRunning = false; } if(!previewEnabled() && !mDisplayPaused) { return NO_INIT; } if ( NO_ERROR == ret ) { ret = mCameraAdapter->sendCommand(CameraAdapter::CAMERA_STOP_BRACKET_CAPTURE); } LOG_FUNCTION_NAME_EXIT; return ret; } /** @brief Take a picture. @param none @return NO_ERROR If able to switch to image capture @todo Define error codes if unable to switch to image capture */ status_t CameraHal::takePicture( ) { status_t ret = NO_ERROR; CameraFrame frame; CameraAdapter::BuffersDescriptor desc; int burst; unsigned int bufferCount = 1; Mutex::Autolock lock(mLock); #if PPM_INSTRUMENTATION || PPM_INSTRUMENTATION_ABS gettimeofday(&mStartCapture, NULL); #endif LOG_FUNCTION_NAME; if(!previewEnabled() && !mDisplayPaused) { LOG_FUNCTION_NAME_EXIT; return NO_INIT; } //If capture has already started, then queue this call for later execution if ( mCameraAdapter->getState() == CameraAdapter::CAPTURE_STATE && mCameraAdapter->getNextState() != CameraAdapter::PREVIEW_STATE) { return NO_INIT; } if ( !mBracketingRunning ) { if ( NO_ERROR == ret ) { burst = mParameters.getInt(TICameraParameters::KEY_BURST); } //Allocate all buffers only in burst capture case if ( burst > 1 ) { bufferCount = CameraHal::NO_BUFFERS_IMAGE_CAPTURE; if ( NULL != mAppCallbackNotifier.get() ) { mAppCallbackNotifier->setBurst(true); } } else { if ( NULL != mAppCallbackNotifier.get() ) { mAppCallbackNotifier->setBurst(false); } } //Pause Preview during capture if ( (NO_ERROR == ret) && ( NULL != mDisplayAdapter.get() ) && ( burst < 1 ) ) { mDisplayPaused = true; mPreviewEnabled = false; ret = mDisplayAdapter->pauseDisplay(mDisplayPaused); #if PPM_INSTRUMENTATION || PPM_INSTRUMENTATION_ABS mDisplayAdapter->setSnapshotTimeRef(&mStartCapture); #endif // since preview is paused we should stop sending preview frames too if(mMsgEnabled & CAMERA_MSG_PREVIEW_FRAME) { mAppCallbackNotifier->disableMsgType (CAMERA_MSG_PREVIEW_FRAME); } } if ( (NO_ERROR == ret) && ( NULL != mCameraAdapter ) ) { //Configure the correct picture resolution now if the capture mode is not set if(mParameters.get(TICameraParameters::KEY_CAP_MODE) == NULL) { ret = mCameraAdapter->setParameters(mParameters); } if ( NO_ERROR == ret ) ret = mCameraAdapter->sendCommand(CameraAdapter::CAMERA_QUERY_BUFFER_SIZE_IMAGE_CAPTURE, ( int ) &frame, bufferCount); if ( NO_ERROR != ret ) { CAMHAL_LOGEB("CAMERA_QUERY_BUFFER_SIZE_IMAGE_CAPTURE returned error 0x%x", ret); } } if ( NO_ERROR == ret ) { mParameters.getPictureSize(( int * ) &frame.mWidth, ( int * ) &frame.mHeight); ret = allocImageBufs(frame.mWidth, frame.mHeight, frame.mLength, mParameters.getPictureFormat(), bufferCount); if ( NO_ERROR != ret ) { CAMHAL_LOGEB("allocImageBufs returned error 0x%x", ret); } } if ( (NO_ERROR == ret) && ( NULL != mCameraAdapter ) ) { desc.mBuffers = mImageBufs; desc.mOffsets = mImageOffsets; desc.mFd = mImageFd; desc.mLength = mImageLength; desc.mCount = ( size_t ) bufferCount; desc.mMaxQueueable = ( size_t ) bufferCount; ret = mCameraAdapter->sendCommand(CameraAdapter::CAMERA_USE_BUFFERS_IMAGE_CAPTURE, ( int ) &desc); } } else { mBracketingRunning = false; } if ( ( NO_ERROR == ret ) && ( NULL != mCameraAdapter ) ) { #if PPM_INSTRUMENTATION || PPM_INSTRUMENTATION_ABS //pass capture timestamp along with the camera adapter command ret = mCameraAdapter->sendCommand(CameraAdapter::CAMERA_START_IMAGE_CAPTURE, (int) &mStartCapture); #else ret = mCameraAdapter->sendCommand(CameraAdapter::CAMERA_START_IMAGE_CAPTURE); #endif } return ret; } /** @brief Cancel a picture that was started with takePicture. Calling this method when no picture is being taken is a no-op. @param none @return NO_ERROR If cancel succeeded. Cancel can succeed if image callback is not sent @todo Define error codes */ status_t CameraHal::cancelPicture( ) { LOG_FUNCTION_NAME; Mutex::Autolock lock(mLock); mCameraAdapter->sendCommand(CameraAdapter::CAMERA_STOP_IMAGE_CAPTURE); return NO_ERROR; } /** @brief Return the camera parameters. @param none @return Currently configured camera parameters */ char* CameraHal::getParameters() { CameraParameters params; String8 params_str8; char* params_string; LOG_FUNCTION_NAME; params = mParameters; if( NULL != mCameraAdapter ) { mCameraAdapter->getParameters(params); } params_str8 = params.flatten(); // camera service frees this string... params_string = (char*) malloc(sizeof(char) * (params_str8.length()+1)); strcpy(params_string, params_str8.string()); LOG_FUNCTION_NAME_EXIT; ///Return the current set of parameters return params_string; } void CameraHal::putParameters(char *parms) { free(parms); } /** @brief Send command to camera driver. @param none @return NO_ERROR If the command succeeds @todo Define the error codes that this function can return */ status_t CameraHal::sendCommand(int32_t cmd, int32_t arg1, int32_t arg2) { status_t ret = NO_ERROR; LOG_FUNCTION_NAME; if ( ( NO_ERROR == ret ) && ( NULL == mCameraAdapter ) ) { CAMHAL_LOGEA("No CameraAdapter instance"); ret = -EINVAL; } if ( ( NO_ERROR == ret ) && ( !previewEnabled() )) { CAMHAL_LOGEA("Preview is not running"); ret = -EINVAL; } if ( NO_ERROR == ret ) { switch(cmd) { case CAMERA_CMD_START_SMOOTH_ZOOM: ret = mCameraAdapter->sendCommand(CameraAdapter::CAMERA_START_SMOOTH_ZOOM, arg1); break; case CAMERA_CMD_STOP_SMOOTH_ZOOM: ret = mCameraAdapter->sendCommand(CameraAdapter::CAMERA_STOP_SMOOTH_ZOOM); case CAMERA_CMD_START_FACE_DETECTION: ret = mCameraAdapter->sendCommand(CameraAdapter::CAMERA_START_FD); break; case CAMERA_CMD_STOP_FACE_DETECTION: ret = mCameraAdapter->sendCommand(CameraAdapter::CAMERA_STOP_FD); break; default: break; }; } LOG_FUNCTION_NAME_EXIT; return ret; } /** @brief Release the hardware resources owned by this object. Note that this is *not* done in the destructor. @param none @return none */ void CameraHal::release() { LOG_FUNCTION_NAME; ///@todo Investigate on how release is used by CameraService. Vaguely remember that this is called ///just before CameraHal object destruction deinitialize(); LOG_FUNCTION_NAME_EXIT; } /** @brief Dump state of the camera hardware @param[in] fd File descriptor @param[in] args Arguments @return NO_ERROR Dump succeeded @todo Error codes for dump fail */ status_t CameraHal::dump(int fd) const { LOG_FUNCTION_NAME; ///Implement this method when the h/w dump function is supported on Ducati side return NO_ERROR; } /*-------------Camera Hal Interface Method definitions ENDS here--------------------*/ /*-------------Camera Hal Internal Method definitions STARTS here--------------------*/ /** @brief Constructor of CameraHal Member variables are initialized here. No allocations should be done here as we don't use c++ exceptions in the code. */ CameraHal::CameraHal(int cameraId) { LOG_FUNCTION_NAME; ///Initialize all the member variables to their defaults mPreviewEnabled = false; mPreviewBufs = NULL; mImageBufs = NULL; mBufProvider = NULL; mPreviewStartInProgress = false; mVideoBufs = NULL; mVideoBufProvider = NULL; mRecordingEnabled = false; mDisplayPaused = false; mSetPreviewWindowCalled = false; mMsgEnabled = 0; mAppCallbackNotifier = NULL; mMemoryManager = NULL; mCameraAdapter = NULL; mBracketingEnabled = false; mBracketingRunning = false; mEventProvider = NULL; mBracketRangePositive = 1; mBracketRangeNegative = 1; mMaxZoomSupported = 0; mShutterEnabled = true; mMeasurementEnabled = false; mPreviewDataBufs = NULL; mCameraProperties = NULL; mCurrentTime = 0; mFalsePreview = 0; mImageOffsets = NULL; mImageLength = 0; mImageFd = 0; mVideoOffsets = NULL; mVideoFd = 0; mVideoLength = 0; mPreviewDataOffsets = NULL; mPreviewDataFd = 0; mPreviewDataLength = 0; mPreviewFd = 0; mPreviewWidth = 0; mPreviewHeight = 0; mPreviewLength = 0; mPreviewOffsets = NULL; mPreviewRunning = 0; mPreviewStateOld = 0; mRecordingEnabled = 0; mRecordEnabled = 0; mSensorListener = NULL; #if PPM_INSTRUMENTATION || PPM_INSTRUMENTATION_ABS //Initialize the CameraHAL constructor timestamp, which is used in the // PPM() method as time reference if the user does not supply one. gettimeofday(&ppm_start, NULL); #endif mCameraIndex = cameraId; LOG_FUNCTION_NAME_EXIT; } /** @brief Destructor of CameraHal This function simply calls deinitialize() to free up memory allocate during construct phase */ CameraHal::~CameraHal() { LOG_FUNCTION_NAME; ///Call de-initialize here once more - it is the last chance for us to relinquish all the h/w and s/w resources deinitialize(); if ( NULL != mEventProvider ) { mEventProvider->disableEventNotification(CameraHalEvent::ALL_EVENTS); delete mEventProvider; mEventProvider = NULL; } /// Free the callback notifier mAppCallbackNotifier.clear(); /// Free the memory manager mMemoryManager.clear(); /// Free the display adapter mDisplayAdapter.clear(); if ( NULL != mCameraAdapter ) { int strongCount = mCameraAdapter->getStrongCount(); mCameraAdapter->decStrong(mCameraAdapter); mCameraAdapter = NULL; } LOG_FUNCTION_NAME_EXIT; } /** @brief Initialize the Camera HAL Creates CameraAdapter, AppCallbackNotifier, DisplayAdapter and MemoryManager @param None @return NO_ERROR - On success NO_MEMORY - On failure to allocate memory for any of the objects @remarks Camera Hal internal function */ status_t CameraHal::initialize(CameraProperties::Properties* properties) { LOG_FUNCTION_NAME; int sensor_index = 0; mLastPreviewFramerate = 0; ///Initialize the event mask used for registering an event provider for AppCallbackNotifier ///Currently, registering all events as to be coming from CameraAdapter int32_t eventMask = CameraHalEvent::ALL_EVENTS; // Get my camera properties mCameraProperties = properties; if(!mCameraProperties) { goto fail_loop; } // Dump the properties of this Camera // will only print if DEBUG macro is defined mCameraProperties->dump(); if (strcmp(CameraProperties::DEFAULT_VALUE, mCameraProperties->get(CameraProperties::CAMERA_SENSOR_INDEX)) != 0 ) { sensor_index = atoi(mCameraProperties->get(CameraProperties::CAMERA_SENSOR_INDEX)); } CAMHAL_LOGDB("Sensor index %d", sensor_index); mCameraAdapter = CameraAdapter_Factory(); if ( ( NULL == mCameraAdapter ) || (mCameraAdapter->initialize(properties, sensor_index)!=NO_ERROR)) { CAMHAL_LOGEA("Unable to create or initialize CameraAdapter"); mCameraAdapter = NULL; goto fail_loop; } mCameraAdapter->incStrong(mCameraAdapter); mCameraAdapter->registerImageReleaseCallback(releaseImageBuffers, (void *) this); mCameraAdapter->registerEndCaptureCallback(endImageCapture, (void *)this); if(!mAppCallbackNotifier.get()) { /// Create the callback notifier mAppCallbackNotifier = new AppCallbackNotifier(); if( ( NULL == mAppCallbackNotifier.get() ) || ( mAppCallbackNotifier->initialize() != NO_ERROR)) { CAMHAL_LOGEA("Unable to create or initialize AppCallbackNotifier"); goto fail_loop; } } if(!mMemoryManager.get()) { /// Create Memory Manager mMemoryManager = new MemoryManager(); if( ( NULL == mMemoryManager.get() ) || ( mMemoryManager->initialize() != NO_ERROR)) { CAMHAL_LOGEA("Unable to create or initialize MemoryManager"); goto fail_loop; } } ///Setup the class dependencies... ///AppCallbackNotifier has to know where to get the Camera frames and the events like auto focus lock etc from. ///CameraAdapter is the one which provides those events ///Set it as the frame and event providers for AppCallbackNotifier ///@remarks setEventProvider API takes in a bit mask of events for registering a provider for the different events /// That way, if events can come from DisplayAdapter in future, we will be able to add it as provider /// for any event mAppCallbackNotifier->setEventProvider(eventMask, mCameraAdapter); mAppCallbackNotifier->setFrameProvider(mCameraAdapter); ///Any dynamic errors that happen during the camera use case has to be propagated back to the application ///via CAMERA_MSG_ERROR. AppCallbackNotifier is the class that notifies such errors to the application ///Set it as the error handler for CameraAdapter mCameraAdapter->setErrorHandler(mAppCallbackNotifier.get()); ///Start the callback notifier if(mAppCallbackNotifier->start() != NO_ERROR) { CAMHAL_LOGEA("Couldn't start AppCallbackNotifier"); goto fail_loop; } CAMHAL_LOGDA("Started AppCallbackNotifier.."); mAppCallbackNotifier->setMeasurements(mMeasurementEnabled); ///Initialize default parameters initDefaultParameters(); if ( setParameters(mParameters) != NO_ERROR ) { CAMHAL_LOGEA("Failed to set default parameters?!"); } // register for sensor events mSensorListener = new SensorListener(); if (mSensorListener.get()) { if (mSensorListener->initialize() == NO_ERROR) { mSensorListener->setCallbacks(orientation_cb, this); mSensorListener->enableSensor(SensorListener::SENSOR_ORIENTATION); } else { CAMHAL_LOGEA("Error initializing SensorListener. not fatal, continuing"); mSensorListener.clear(); mSensorListener = NULL; } } LOG_FUNCTION_NAME_EXIT; return NO_ERROR; fail_loop: ///Free up the resources because we failed somewhere up deinitialize(); LOG_FUNCTION_NAME_EXIT; return NO_MEMORY; } bool CameraHal::isResolutionValid(unsigned int width, unsigned int height, const char *supportedResolutions) { bool ret = true; status_t status = NO_ERROR; char tmpBuffer[PARAM_BUFFER + 1]; char *pos = NULL; LOG_FUNCTION_NAME; if ( NULL == supportedResolutions ) { CAMHAL_LOGEA("Invalid supported resolutions string"); ret = false; goto exit; } status = snprintf(tmpBuffer, PARAM_BUFFER, "%dx%d", width, height); if ( 0 > status ) { CAMHAL_LOGEA("Error encountered while generating validation string"); ret = false; goto exit; } pos = strstr(supportedResolutions, tmpBuffer); if ( NULL == pos ) { ret = false; } else { ret = true; } exit: LOG_FUNCTION_NAME_EXIT; return ret; } bool CameraHal::isParameterValid(const char *param, const char *supportedParams) { bool ret = true; char *pos = NULL; LOG_FUNCTION_NAME; if ( NULL == supportedParams ) { CAMHAL_LOGEA("Invalid supported parameters string"); ret = false; goto exit; } if ( NULL == param ) { CAMHAL_LOGEA("Invalid parameter string"); ret = false; goto exit; } pos = strstr(supportedParams, param); if ( NULL == pos ) { ret = false; } else { ret = true; } exit: LOG_FUNCTION_NAME_EXIT; return ret; } bool CameraHal::isParameterValid(int param, const char *supportedParams) { bool ret = true; char *pos = NULL; status_t status; char tmpBuffer[PARAM_BUFFER + 1]; LOG_FUNCTION_NAME; if ( NULL == supportedParams ) { CAMHAL_LOGEA("Invalid supported parameters string"); ret = false; goto exit; } status = snprintf(tmpBuffer, PARAM_BUFFER, "%d", param); if ( 0 > status ) { CAMHAL_LOGEA("Error encountered while generating validation string"); ret = false; goto exit; } pos = strstr(supportedParams, tmpBuffer); if ( NULL == pos ) { ret = false; } else { ret = true; } exit: LOG_FUNCTION_NAME_EXIT; return ret; } status_t CameraHal::parseResolution(const char *resStr, int &width, int &height) { status_t ret = NO_ERROR; char *ctx, *pWidth, *pHeight; const char *sep = "x"; char *tmp = NULL; LOG_FUNCTION_NAME; if ( NULL == resStr ) { return -EINVAL; } //This fixes "Invalid input resolution" char *resStr_copy = (char *)malloc(strlen(resStr) + 1); if ( NULL!=resStr_copy ) { if ( NO_ERROR == ret ) { strcpy(resStr_copy, resStr); pWidth = strtok_r( (char *) resStr_copy, sep, &ctx); if ( NULL != pWidth ) { width = atoi(pWidth); } else { CAMHAL_LOGEB("Invalid input resolution %s", resStr); ret = -EINVAL; } } if ( NO_ERROR == ret ) { pHeight = strtok_r(NULL, sep, &ctx); if ( NULL != pHeight ) { height = atoi(pHeight); } else { CAMHAL_LOGEB("Invalid input resolution %s", resStr); ret = -EINVAL; } } free(resStr_copy); resStr_copy = NULL; } LOG_FUNCTION_NAME_EXIT; return ret; } void CameraHal::insertSupportedParams() { char tmpBuffer[PARAM_BUFFER + 1]; LOG_FUNCTION_NAME; CameraParameters &p = mParameters; ///Set the name of the camera p.set(TICameraParameters::KEY_CAMERA_NAME, mCameraProperties->get(CameraProperties::CAMERA_NAME)); mMaxZoomSupported = atoi(mCameraProperties->get(CameraProperties::SUPPORTED_ZOOM_STAGES)); p.set(CameraParameters::KEY_SUPPORTED_PICTURE_SIZES, mCameraProperties->get(CameraProperties::SUPPORTED_PICTURE_SIZES)); p.set(CameraParameters::KEY_SUPPORTED_PICTURE_FORMATS, mCameraProperties->get(CameraProperties::SUPPORTED_PICTURE_FORMATS)); p.set(CameraParameters::KEY_SUPPORTED_PREVIEW_SIZES, mCameraProperties->get(CameraProperties::SUPPORTED_PREVIEW_SIZES)); p.set(CameraParameters::KEY_SUPPORTED_PREVIEW_FORMATS, mCameraProperties->get(CameraProperties::SUPPORTED_PREVIEW_FORMATS)); p.set(CameraParameters::KEY_SUPPORTED_PREVIEW_FRAME_RATES, mCameraProperties->get(CameraProperties::SUPPORTED_PREVIEW_FRAME_RATES)); p.set(CameraParameters::KEY_SUPPORTED_JPEG_THUMBNAIL_SIZES, mCameraProperties->get(CameraProperties::SUPPORTED_THUMBNAIL_SIZES)); p.set(CameraParameters::KEY_SUPPORTED_WHITE_BALANCE, mCameraProperties->get(CameraProperties::SUPPORTED_WHITE_BALANCE)); p.set(CameraParameters::KEY_SUPPORTED_EFFECTS, mCameraProperties->get(CameraProperties::SUPPORTED_EFFECTS)); p.set(CameraParameters::KEY_SUPPORTED_SCENE_MODES, mCameraProperties->get(CameraProperties::SUPPORTED_SCENE_MODES)); p.set(CameraParameters::KEY_SUPPORTED_FLASH_MODES, mCameraProperties->get(CameraProperties::SUPPORTED_FLASH_MODES)); p.set(CameraParameters::KEY_SUPPORTED_FOCUS_MODES, mCameraProperties->get(CameraProperties::SUPPORTED_FOCUS_MODES)); p.set(CameraParameters::KEY_SUPPORTED_ANTIBANDING, mCameraProperties->get(CameraProperties::SUPPORTED_ANTIBANDING)); p.set(CameraParameters::KEY_MAX_EXPOSURE_COMPENSATION, mCameraProperties->get(CameraProperties::SUPPORTED_EV_MAX)); p.set(CameraParameters::KEY_MIN_EXPOSURE_COMPENSATION, mCameraProperties->get(CameraProperties::SUPPORTED_EV_MIN)); p.set(CameraParameters::KEY_EXPOSURE_COMPENSATION_STEP, mCameraProperties->get(CameraProperties::SUPPORTED_EV_STEP)); p.set(CameraParameters::KEY_SUPPORTED_SCENE_MODES, mCameraProperties->get(CameraProperties::SUPPORTED_SCENE_MODES)); p.set(TICameraParameters::KEY_SUPPORTED_EXPOSURE, mCameraProperties->get(CameraProperties::SUPPORTED_EXPOSURE_MODES)); p.set(TICameraParameters::KEY_SUPPORTED_ISO_VALUES, mCameraProperties->get(CameraProperties::SUPPORTED_ISO_VALUES)); p.set(CameraParameters::KEY_ZOOM_RATIOS, mCameraProperties->get(CameraProperties::SUPPORTED_ZOOM_RATIOS)); p.set(CameraParameters::KEY_MAX_ZOOM, mCameraProperties->get(CameraProperties::SUPPORTED_ZOOM_STAGES)); p.set(CameraParameters::KEY_ZOOM_SUPPORTED, mCameraProperties->get(CameraProperties::ZOOM_SUPPORTED)); p.set(CameraParameters::KEY_SMOOTH_ZOOM_SUPPORTED, mCameraProperties->get(CameraProperties::SMOOTH_ZOOM_SUPPORTED)); p.set(TICameraParameters::KEY_SUPPORTED_IPP, mCameraProperties->get(CameraProperties::SUPPORTED_IPP_MODES)); p.set(TICameraParameters::KEY_S3D_SUPPORTED,mCameraProperties->get(CameraProperties::S3D_SUPPORTED)); p.set(TICameraParameters::KEY_S3D2D_PREVIEW_MODE,mCameraProperties->get(CameraProperties::S3D2D_PREVIEW_MODES)); p.set(TICameraParameters::KEY_AUTOCONVERGENCE_MODE, mCameraProperties->get(CameraProperties::AUTOCONVERGENCE_MODE)); p.set(TICameraParameters::KEY_MANUALCONVERGENCE_VALUES, mCameraProperties->get(CameraProperties::MANUALCONVERGENCE_VALUES)); p.set(TICameraParameters::KEY_VSTAB,mCameraProperties->get(CameraProperties::VSTAB)); p.set(TICameraParameters::KEY_VSTAB_VALUES,mCameraProperties->get(CameraProperties::VSTAB_VALUES)); p.set(CameraParameters::KEY_SUPPORTED_PREVIEW_FPS_RANGE, mCameraProperties->get(CameraProperties::FRAMERATE_RANGE_SUPPORTED)); p.set(TICameraParameters::KEY_SENSOR_ORIENTATION, mCameraProperties->get(CameraProperties::SENSOR_ORIENTATION)); p.set(TICameraParameters::KEY_SENSOR_ORIENTATION_VALUES, mCameraProperties->get(CameraProperties::SENSOR_ORIENTATION_VALUES)); p.set(CameraParameters::KEY_AUTO_EXPOSURE_LOCK_SUPPORTED, mCameraProperties->get(CameraProperties::AUTO_EXPOSURE_LOCK_SUPPORTED)); p.set(CameraParameters::KEY_AUTO_WHITEBALANCE_LOCK_SUPPORTED, mCameraProperties->get(CameraProperties::AUTO_WHITEBALANCE_LOCK_SUPPORTED)); LOG_FUNCTION_NAME_EXIT; } void CameraHal::initDefaultParameters() { //Purpose of this function is to initialize the default current and supported parameters for the currently //selected camera. CameraParameters &p = mParameters; int currentRevision, adapterRevision; status_t ret = NO_ERROR; int width, height; LOG_FUNCTION_NAME; ret = parseResolution(mCameraProperties->get(CameraProperties::PREVIEW_SIZE), width, height); if ( NO_ERROR == ret ) { p.setPreviewSize(width, height); } else { p.setPreviewSize(MIN_WIDTH, MIN_HEIGHT); } ret = parseResolution(mCameraProperties->get(CameraProperties::PICTURE_SIZE), width, height); if ( NO_ERROR == ret ) { p.setPictureSize(width, height); } else { p.setPictureSize(PICTURE_WIDTH, PICTURE_HEIGHT); } ret = parseResolution(mCameraProperties->get(CameraProperties::JPEG_THUMBNAIL_SIZE), width, height); if ( NO_ERROR == ret ) { p.set(CameraParameters::KEY_JPEG_THUMBNAIL_WIDTH, width); p.set(CameraParameters::KEY_JPEG_THUMBNAIL_HEIGHT, height); } else { p.set(CameraParameters::KEY_JPEG_THUMBNAIL_WIDTH, MIN_WIDTH); p.set(CameraParameters::KEY_JPEG_THUMBNAIL_HEIGHT, MIN_HEIGHT); } insertSupportedParams(); //Insert default values p.setPreviewFrameRate(atoi(mCameraProperties->get(CameraProperties::PREVIEW_FRAME_RATE))); p.setPreviewFormat(mCameraProperties->get(CameraProperties::PREVIEW_FORMAT)); p.setPictureFormat(mCameraProperties->get(CameraProperties::PICTURE_FORMAT)); p.set(CameraParameters::KEY_JPEG_QUALITY, mCameraProperties->get(CameraProperties::JPEG_QUALITY)); p.set(CameraParameters::KEY_WHITE_BALANCE, mCameraProperties->get(CameraProperties::WHITEBALANCE)); p.set(CameraParameters::KEY_EFFECT, mCameraProperties->get(CameraProperties::EFFECT)); p.set(CameraParameters::KEY_ANTIBANDING, mCameraProperties->get(CameraProperties::ANTIBANDING)); p.set(CameraParameters::KEY_FLASH_MODE, mCameraProperties->get(CameraProperties::FLASH_MODE)); p.set(CameraParameters::KEY_FOCUS_MODE, mCameraProperties->get(CameraProperties::FOCUS_MODE)); p.set(CameraParameters::KEY_EXPOSURE_COMPENSATION, mCameraProperties->get(CameraProperties::EV_COMPENSATION)); p.set(CameraParameters::KEY_SCENE_MODE, mCameraProperties->get(CameraProperties::SCENE_MODE)); p.set(CameraParameters::KEY_FLASH_MODE, mCameraProperties->get(CameraProperties::FLASH_MODE)); p.set(CameraParameters::KEY_ZOOM, mCameraProperties->get(CameraProperties::ZOOM)); p.set(TICameraParameters::KEY_CONTRAST, mCameraProperties->get(CameraProperties::CONTRAST)); p.set(TICameraParameters::KEY_SATURATION, mCameraProperties->get(CameraProperties::SATURATION)); p.set(TICameraParameters::KEY_BRIGHTNESS, mCameraProperties->get(CameraProperties::BRIGHTNESS)); p.set(TICameraParameters::KEY_SHARPNESS, mCameraProperties->get(CameraProperties::SHARPNESS)); p.set(TICameraParameters::KEY_EXPOSURE_MODE, mCameraProperties->get(CameraProperties::EXPOSURE_MODE)); p.set(TICameraParameters::KEY_ISO, mCameraProperties->get(CameraProperties::ISO_MODE)); p.set(TICameraParameters::KEY_IPP, mCameraProperties->get(CameraProperties::IPP)); p.set(TICameraParameters::KEY_S3D2D_PREVIEW, mCameraProperties->get(CameraProperties::S3D2D_PREVIEW)); p.set(TICameraParameters::KEY_AUTOCONVERGENCE, mCameraProperties->get(CameraProperties::AUTOCONVERGENCE)); p.set(TICameraParameters::KEY_MANUALCONVERGENCE_VALUES, mCameraProperties->get(CameraProperties::MANUALCONVERGENCE_VALUES)); p.set(TICameraParameters::KEY_VSTAB,mCameraProperties->get(CameraProperties::VSTAB)); p.set(TICameraParameters::KEY_VSTAB_VALUES,mCameraProperties->get(CameraProperties::VSTAB_VALUES)); p.set(CameraParameters::KEY_FOCAL_LENGTH, mCameraProperties->get(CameraProperties::FOCAL_LENGTH)); p.set(CameraParameters::KEY_HORIZONTAL_VIEW_ANGLE, mCameraProperties->get(CameraProperties::HOR_ANGLE)); p.set(CameraParameters::KEY_VERTICAL_VIEW_ANGLE, mCameraProperties->get(CameraProperties::VER_ANGLE)); p.set(CameraParameters::KEY_PREVIEW_FPS_RANGE,mCameraProperties->get(CameraProperties::FRAMERATE_RANGE)); p.set(TICameraParameters::KEY_SENSOR_ORIENTATION, mCameraProperties->get(CameraProperties::SENSOR_ORIENTATION)); p.set(TICameraParameters::KEY_SENSOR_ORIENTATION_VALUES, mCameraProperties->get(CameraProperties::SENSOR_ORIENTATION_VALUES)); p.set(TICameraParameters::KEY_EXIF_MAKE, mCameraProperties->get(CameraProperties::EXIF_MAKE)); p.set(TICameraParameters::KEY_EXIF_MODEL, mCameraProperties->get(CameraProperties::EXIF_MODEL)); p.set(CameraParameters::KEY_JPEG_THUMBNAIL_QUALITY, mCameraProperties->get(CameraProperties::JPEG_THUMBNAIL_QUALITY)); p.set(CameraParameters::KEY_VIDEO_FRAME_FORMAT, "OMX_TI_COLOR_FormatYUV420PackedSemiPlanar"); p.set(CameraParameters::KEY_MAX_NUM_DETECTED_FACES_HW, mCameraProperties->get(CameraProperties::MAX_FD_HW_FACES)); p.set(CameraParameters::KEY_MAX_NUM_DETECTED_FACES_SW, mCameraProperties->get(CameraProperties::MAX_FD_SW_FACES)); // Only one area a.k.a Touch AF for now. // TODO: Add support for multiple focus areas. p.set(CameraParameters::KEY_MAX_NUM_FOCUS_AREAS, mCameraProperties->get(CameraProperties::MAX_FOCUS_AREAS)); p.set(CameraParameters::KEY_AUTO_EXPOSURE_LOCK, mCameraProperties->get(CameraProperties::AUTO_EXPOSURE_LOCK)); p.set(CameraParameters::KEY_AUTO_WHITEBALANCE_LOCK, mCameraProperties->get(CameraProperties::AUTO_WHITEBALANCE_LOCK)); p.set(CameraParameters::KEY_MAX_NUM_METERING_AREAS, mCameraProperties->get(CameraProperties::MAX_NUM_METERING_AREAS)); LOG_FUNCTION_NAME_EXIT; } /** @brief Stop a previously started preview. @param none @return none */ void CameraHal::forceStopPreview() { LOG_FUNCTION_NAME; // stop bracketing if it is running stopImageBracketing(); if(mDisplayAdapter.get() != NULL) { ///Stop the buffer display first mDisplayAdapter->disableDisplay(); } if(mAppCallbackNotifier.get() != NULL) { //Stop the callback sending mAppCallbackNotifier->stop(); mAppCallbackNotifier->stopPreviewCallbacks(); } // since prerequisite for capturing is for camera system // to be previewing...cancel all captures before stopping // preview if ( mCameraAdapter->getState() == CameraAdapter::CAPTURE_STATE && mCameraAdapter->getNextState() != CameraAdapter::PREVIEW_STATE) { mCameraAdapter->sendCommand(CameraAdapter::CAMERA_STOP_IMAGE_CAPTURE); } if ( NULL != mCameraAdapter ) { cancelAutoFocus(); //Stop the source of frames mCameraAdapter->sendCommand(CameraAdapter::CAMERA_STOP_PREVIEW); } freePreviewBufs(); freePreviewDataBufs(); mPreviewEnabled = false; mDisplayPaused = false; LOG_FUNCTION_NAME_EXIT; } /** @brief Deallocates memory for all the resources held by Camera HAL. Frees the following objects- CameraAdapter, AppCallbackNotifier, DisplayAdapter, and Memory Manager @param none @return none */ void CameraHal::deinitialize() { LOG_FUNCTION_NAME; if ( mPreviewEnabled ) { forceStopPreview(); } freeImageBufs(); mSetPreviewWindowCalled = false; if (mSensorListener.get()) { mSensorListener->disableSensor(SensorListener::SENSOR_ORIENTATION); mSensorListener.clear(); mSensorListener = NULL; } LOG_FUNCTION_NAME_EXIT; } status_t CameraHal::storeMetaDataInBuffers(bool enable) { LOG_FUNCTION_NAME; return mAppCallbackNotifier->useMetaDataBufferMode(enable); LOG_FUNCTION_NAME_EXIT; } };