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Diffstat (limited to 'camera/CameraHal.cpp')
-rw-r--r-- | camera/CameraHal.cpp | 3569 |
1 files changed, 3569 insertions, 0 deletions
diff --git a/camera/CameraHal.cpp b/camera/CameraHal.cpp new file mode 100644 index 0000000..20e05c4 --- /dev/null +++ b/camera/CameraHal.cpp @@ -0,0 +1,3569 @@ +/* + * 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 <cutils/properties.h> + +#include <poll.h> +#include <math.h> + +namespace android { + +extern "C" CameraAdapter* CameraAdapter_Factory(size_t); + +/*****************************************************************************/ + +////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; + } + + // ignoring enable focus message from camera service + // we will enable internally in autoFocus call + msgType &= ~(CAMERA_MSG_FOCUS | CAMERA_MSG_FOCUS_MOVE); + + { + 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; + int maxFPS, minFPS; + const char *valstr = NULL; + int varint = 0; + status_t ret = NO_ERROR; + CameraParameters oldParams = mParameters; + // Needed for KEY_RECORDING_HINT + bool restartPreviewRequired = false; + bool updateRequired = false; + bool videoMode = false; + + { + 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 ((valstr = params.getPreviewFormat()) != NULL) { + if ( isParameterValid(valstr, mCameraProperties->get(CameraProperties::SUPPORTED_PREVIEW_FORMATS))) { + mParameters.setPreviewFormat(valstr); + } else { + CAMHAL_LOGEB("Invalid preview format.Supported: %s", mCameraProperties->get(CameraProperties::SUPPORTED_PREVIEW_FORMATS)); + return BAD_VALUE; + } + } + + varint = params.getInt(TICameraParameters::KEY_VNF); + valstr = params.get(TICameraParameters::KEY_VNF); + if ( valstr != NULL ) { + if ( ( varint == 0 ) || ( varint == 1 ) ) { + CAMHAL_LOGDB("VNF set %s", valstr); + mParameters.set(TICameraParameters::KEY_VNF, varint); + } else { + CAMHAL_LOGEB("ERROR: Invalid VNF: %s", valstr); + return BAD_VALUE; + } + } + + if ((valstr = params.get(CameraParameters::KEY_VIDEO_STABILIZATION)) != NULL) { + // make sure we support vstab...if we don't and application is trying to set + // vstab then return an error + if (strcmp(mCameraProperties->get(CameraProperties::VSTAB_SUPPORTED), + CameraParameters::TRUE) == 0) { + CAMHAL_LOGDB("VSTAB %s",valstr); + mParameters.set(CameraParameters::KEY_VIDEO_STABILIZATION, valstr); + } else if (strcmp(valstr, CameraParameters::TRUE) == 0) { + CAMHAL_LOGEB("ERROR: Invalid VSTAB: %s", valstr); + return BAD_VALUE; + } else { + mParameters.set(CameraParameters::KEY_VIDEO_STABILIZATION, + CameraParameters::FALSE); + } + } + + + + if( (valstr = params.get(TICameraParameters::KEY_CAP_MODE)) != NULL) + { + CAMHAL_LOGDB("Capture mode set %s", valstr); + mParameters.set(TICameraParameters::KEY_CAP_MODE, valstr); + } + + if ((valstr = params.get(TICameraParameters::KEY_IPP)) != NULL) { + if (isParameterValid(valstr,mCameraProperties->get(CameraProperties::SUPPORTED_IPP_MODES))) { + CAMHAL_LOGDB("IPP mode set %s", valstr); + mParameters.set(TICameraParameters::KEY_IPP, valstr); + } else { + CAMHAL_LOGEB("ERROR: Invalid IPP mode: %s", valstr); + return BAD_VALUE; + } + } + +#ifdef OMAP_ENHANCEMENT + + 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); + } +#endif + + } + + params.getPreviewSize(&w, &h); + if (w == -1 && h == -1) { + CAMHAL_LOGEA("Unable to get preview size"); + return BAD_VALUE; + } + + int oldWidth, oldHeight; + mParameters.getPreviewSize(&oldWidth, &oldHeight); + +#ifdef OMAP_ENHANCEMENT + + 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 BAD_VALUE; + } + else + { + mParameters.setPreviewSize(w, h); + mVideoWidth = w; + mVideoHeight = h; + } + } + else + { + if ( !isResolutionValid(w, h, mCameraProperties->get(CameraProperties::SUPPORTED_PREVIEW_SIZES))) + { + CAMHAL_LOGEB("Invalid preview resolution %d x %d", w, h); + return BAD_VALUE; + } + 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 BAD_VALUE; + } else { + mParameters.setPreviewSize(w, h); + } + +#endif + + if ( ( oldWidth != w ) || ( oldHeight != h ) ) { + restartPreviewRequired |= true; + } + + CAMHAL_LOGDB("PreviewResolution by App %d x %d", w, h); + + // Handle RECORDING_HINT to Set/Reset Video Mode Parameters + valstr = params.get(CameraParameters::KEY_RECORDING_HINT); + if(valstr != NULL) + { + if(strcmp(valstr, CameraParameters::TRUE) == 0) + { + CAMHAL_LOGDB("Recording Hint is set to %s", valstr); + mParameters.set(CameraParameters::KEY_RECORDING_HINT, valstr); + videoMode = true; + int w, h; + + params.getPreviewSize(&w, &h); + CAMHAL_LOGVB("%s Preview Width=%d Height=%d\n", __FUNCTION__, w, h); + //HACK FOR MMS + mVideoWidth = w; + mVideoHeight = h; + CAMHAL_LOGVB("%s Video Width=%d Height=%d\n", __FUNCTION__, mVideoWidth, mVideoHeight); + + setPreferredPreviewRes(w, h); + mParameters.getPreviewSize(&w, &h); + CAMHAL_LOGVB("%s Preview Width=%d Height=%d\n", __FUNCTION__, w, h); + //Avoid restarting preview for MMS HACK + if ((w != mVideoWidth) && (h != mVideoHeight)) + { + restartPreviewRequired = false; + } + + restartPreviewRequired |= setVideoModeParameters(params); + } + else if(strcmp(valstr, CameraParameters::FALSE) == 0) + { + CAMHAL_LOGDB("Recording Hint is set to %s", valstr); + mParameters.set(CameraParameters::KEY_RECORDING_HINT, valstr); + restartPreviewRequired |= resetVideoModeParameters(); + params.getPreviewSize(&mVideoWidth, &mVideoHeight); + } + else + { + CAMHAL_LOGEA("Invalid RECORDING_HINT"); + return BAD_VALUE; + } + } + else + { + // This check is required in following case. + // If VideoRecording activity sets KEY_RECORDING_HINT to TRUE and + // ImageCapture activity doesnot set KEY_RECORDING_HINT to FALSE (i.e. simply NULL), + // then Video Mode parameters may remain present in ImageCapture activity as well. + CAMHAL_LOGDA("Recording Hint is set to NULL"); + mParameters.set(CameraParameters::KEY_RECORDING_HINT, ""); + restartPreviewRequired |= resetVideoModeParameters(); + params.getPreviewSize(&mVideoWidth, &mVideoHeight); + } + + if ((valstr = params.get(CameraParameters::KEY_FOCUS_MODE)) != NULL) { + if (isParameterValid(valstr, mCameraProperties->get(CameraProperties::SUPPORTED_FOCUS_MODES))) { + CAMHAL_LOGDB("Focus mode set %s", valstr); + + // we need to take a decision on the capture mode based on whether CAF picture or + // video is chosen so the behavior of each is consistent to the application + if(strcmp(valstr, CameraParameters::FOCUS_MODE_CONTINUOUS_PICTURE) == 0){ + restartPreviewRequired |= resetVideoModeParameters(); + } else if (strcmp(valstr, CameraParameters::FOCUS_MODE_CONTINUOUS_VIDEO) == 0){ + restartPreviewRequired |= setVideoModeParameters(params); + } + + mParameters.set(CameraParameters::KEY_FOCUS_MODE, valstr); + } else { + CAMHAL_LOGEB("ERROR: Invalid FOCUS mode = %s", valstr); + return BAD_VALUE; + } + } + + ///Below parameters can be changed when the preview is running + if ( (valstr = params.getPictureFormat()) != NULL ) { + if (isParameterValid(valstr, mCameraProperties->get(CameraProperties::SUPPORTED_PICTURE_FORMATS))) { + mParameters.setPictureFormat(valstr); + } else { + CAMHAL_LOGEB("ERROR: Invalid picture format: %s",valstr); + return BAD_VALUE; + } + } + + params.getPictureSize(&w, &h); + if ( isResolutionValid(w, h, mCameraProperties->get(CameraProperties::SUPPORTED_PICTURE_SIZES))) { + mParameters.setPictureSize(w, h); + } else { + CAMHAL_LOGEB("ERROR: Invalid picture resolution %dx%d", w, h); + return BAD_VALUE; + } + + CAMHAL_LOGDB("Picture Size by App %d x %d", w, h); + +#ifdef OMAP_ENHANCEMENT + + if ((valstr = params.get(TICameraParameters::KEY_BURST)) != NULL) { + if (params.getInt(TICameraParameters::KEY_BURST) >=0) { + CAMHAL_LOGDB("Burst set %s", valstr); + mParameters.set(TICameraParameters::KEY_BURST, valstr); + } else { + CAMHAL_LOGEB("ERROR: Invalid Burst value: %s",valstr); + return BAD_VALUE; + } + } + +#endif + + framerate = params.getPreviewFrameRate(); + valstr = params.get(CameraParameters::KEY_PREVIEW_FPS_RANGE); + CAMHAL_LOGDB("FRAMERATE %d", framerate); + + CAMHAL_LOGVB("Passed FRR: %s, Supported FRR %s", valstr + , mCameraProperties->get(CameraProperties::FRAMERATE_RANGE_SUPPORTED)); + CAMHAL_LOGVB("Passed FR: %d, Supported FR %s", framerate + , mCameraProperties->get(CameraProperties::SUPPORTED_PREVIEW_FRAME_RATES)); + + + //Perform parameter validation + if(!isParameterValid(valstr + , mCameraProperties->get(CameraProperties::FRAMERATE_RANGE_SUPPORTED)) + || !isParameterValid(framerate, + mCameraProperties->get(CameraProperties::SUPPORTED_PREVIEW_FRAME_RATES))) + { + CAMHAL_LOGEA("Invalid frame rate range or frame rate"); + return BAD_VALUE; + } + + // Variable framerate ranges have higher priority over + // deprecated constant FPS. "KEY_PREVIEW_FPS_RANGE" should + // be cleared by the client in order for constant FPS to get + // applied. + if ( strcmp(valstr, mCameraProperties->get(CameraProperties::FRAMERATE_RANGE)) != 0) + { + // APP wants to set FPS range + //Set framerate = MAXFPS + CAMHAL_LOGDA("APP IS CHANGING FRAME RATE RANGE"); + params.getPreviewFpsRange(&minFPS, &maxFPS); + + if ( ( 0 > minFPS ) || ( 0 > maxFPS ) ) + { + CAMHAL_LOGEA("ERROR: FPS Range is negative!"); + return BAD_VALUE; + } + + framerate = maxFPS /CameraHal::VFR_SCALE; + + } + else + { + if ( framerate != atoi(mCameraProperties->get(CameraProperties::PREVIEW_FRAME_RATE)) ) + { + + selectFPSRange(framerate, &minFPS, &maxFPS); + CAMHAL_LOGDB("Select FPS Range %d %d", minFPS, maxFPS); + } + else + { + if (videoMode) { + valstr = mCameraProperties->get(CameraProperties::FRAMERATE_RANGE_VIDEO); + CameraParameters temp; + temp.set(CameraParameters::KEY_PREVIEW_FPS_RANGE, valstr); + temp.getPreviewFpsRange(&minFPS, &maxFPS); + } + else { + valstr = mCameraProperties->get(CameraProperties::FRAMERATE_RANGE_IMAGE); + CameraParameters temp; + temp.set(CameraParameters::KEY_PREVIEW_FPS_RANGE, valstr); + temp.getPreviewFpsRange(&minFPS, &maxFPS); + } + + framerate = maxFPS / CameraHal::VFR_SCALE; + } + + } + + CAMHAL_LOGDB("FPS Range = %s", valstr); + CAMHAL_LOGDB("DEFAULT FPS Range = %s", mCameraProperties->get(CameraProperties::FRAMERATE_RANGE)); + + minFPS /= CameraHal::VFR_SCALE; + maxFPS /= CameraHal::VFR_SCALE; + + if ( ( 0 == minFPS ) || ( 0 == maxFPS ) ) + { + CAMHAL_LOGEA("ERROR: FPS Range is invalid!"); + return BAD_VALUE; + } + + if ( maxFPS < minFPS ) + { + CAMHAL_LOGEA("ERROR: Max FPS is smaller than Min FPS!"); + return BAD_VALUE; + } + CAMHAL_LOGDB("SET FRAMERATE %d", framerate); + mParameters.setPreviewFrameRate(framerate); + mParameters.set(CameraParameters::KEY_PREVIEW_FPS_RANGE, params.get(CameraParameters::KEY_PREVIEW_FPS_RANGE)); + + CAMHAL_LOGDB("FPS Range [%d, %d]", minFPS, maxFPS); + mParameters.set(TICameraParameters::KEY_MINFRAMERATE, minFPS); + mParameters.set(TICameraParameters::KEY_MAXFRAMERATE, maxFPS); + + 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); + } + +#ifdef OMAP_ENHANCEMENT + + ///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( (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) { + if (isParameterValid(valstr, mCameraProperties->get(CameraProperties::SUPPORTED_EXPOSURE_MODES))) { + CAMHAL_LOGDB("Exposure set = %s", valstr); + mParameters.set(TICameraParameters::KEY_EXPOSURE_MODE, valstr); + } else { + CAMHAL_LOGEB("ERROR: Invalid Exposure = %s", valstr); + return BAD_VALUE; + } + } + +#endif + + if ((valstr = params.get(CameraParameters::KEY_WHITE_BALANCE)) != NULL) { + if ( isParameterValid(valstr, mCameraProperties->get(CameraProperties::SUPPORTED_WHITE_BALANCE))) { + CAMHAL_LOGDB("White balance set %s", valstr); + mParameters.set(CameraParameters::KEY_WHITE_BALANCE, valstr); + } else { + CAMHAL_LOGEB("ERROR: Invalid white balance = %s", valstr); + return BAD_VALUE; + } + } + +#ifdef OMAP_ENHANCEMENT + + if ((valstr = params.get(TICameraParameters::KEY_CONTRAST)) != NULL) { + if (params.getInt(TICameraParameters::KEY_CONTRAST) >= 0 ) { + CAMHAL_LOGDB("Contrast set %s", valstr); + mParameters.set(TICameraParameters::KEY_CONTRAST, valstr); + } else { + CAMHAL_LOGEB("ERROR: Invalid Contrast = %s", valstr); + return BAD_VALUE; + } + } + + if ((valstr =params.get(TICameraParameters::KEY_SHARPNESS)) != NULL) { + if (params.getInt(TICameraParameters::KEY_SHARPNESS) >= 0 ) { + CAMHAL_LOGDB("Sharpness set %s", valstr); + mParameters.set(TICameraParameters::KEY_SHARPNESS, valstr); + } else { + CAMHAL_LOGEB("ERROR: Invalid Sharpness = %s", valstr); + return BAD_VALUE; + } + } + + if ((valstr = params.get(TICameraParameters::KEY_SATURATION)) != NULL) { + if (params.getInt(TICameraParameters::KEY_SATURATION) >= 0 ) { + CAMHAL_LOGDB("Saturation set %s", valstr); + mParameters.set(TICameraParameters::KEY_SATURATION, valstr); + } else { + CAMHAL_LOGEB("ERROR: Invalid Saturation = %s", valstr); + return BAD_VALUE; + } + } + + if ((valstr = params.get(TICameraParameters::KEY_BRIGHTNESS)) != NULL) { + if (params.getInt(TICameraParameters::KEY_BRIGHTNESS) >= 0 ) { + CAMHAL_LOGDB("Brightness set %s", valstr); + mParameters.set(TICameraParameters::KEY_BRIGHTNESS, valstr); + } else { + CAMHAL_LOGEB("ERROR: Invalid Brightness = %s", valstr); + return BAD_VALUE; + } + } + +#endif + + if ((valstr = params.get(CameraParameters::KEY_ANTIBANDING)) != NULL) { + if (isParameterValid(valstr, mCameraProperties->get(CameraProperties::SUPPORTED_ANTIBANDING))) { + CAMHAL_LOGDB("Antibanding set %s", valstr); + mParameters.set(CameraParameters::KEY_ANTIBANDING, valstr); + } else { + CAMHAL_LOGEB("ERROR: Invalid Antibanding = %s", valstr); + return BAD_VALUE; + } + } + +#ifdef OMAP_ENHANCEMENT + + if ((valstr = params.get(TICameraParameters::KEY_ISO)) != NULL) { + if (isParameterValid(valstr, mCameraProperties->get(CameraProperties::SUPPORTED_ISO_VALUES))) { + CAMHAL_LOGDB("ISO set %s", valstr); + mParameters.set(TICameraParameters::KEY_ISO, valstr); + } else { + CAMHAL_LOGEB("ERROR: Invalid ISO = %s", valstr); + return BAD_VALUE; + } + } + +#endif + + if( (valstr = params.get(CameraParameters::KEY_FOCUS_AREAS)) != NULL ) + { + CAMHAL_LOGDB("Focus areas position set %s",valstr); + mParameters.set(CameraParameters::KEY_FOCUS_AREAS, valstr); + } + +#ifdef OMAP_ENHANCEMENT + + 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; + } + + } + +#endif + + if( (valstr = params.get(CameraParameters::KEY_EXPOSURE_COMPENSATION)) != NULL) + { + CAMHAL_LOGDB("Exposure compensation set %s", valstr); + mParameters.set(CameraParameters::KEY_EXPOSURE_COMPENSATION, valstr); + } + + if ((valstr = params.get(CameraParameters::KEY_SCENE_MODE)) != NULL) { + if (isParameterValid(valstr, mCameraProperties->get(CameraProperties::SUPPORTED_SCENE_MODES))) { + CAMHAL_LOGDB("Scene mode set %s", valstr); + doesSetParameterNeedUpdate(valstr, + mParameters.get(CameraParameters::KEY_SCENE_MODE), + updateRequired); + mParameters.set(CameraParameters::KEY_SCENE_MODE, valstr); + } else { + CAMHAL_LOGEB("ERROR: Invalid Scene mode = %s", valstr); + return BAD_VALUE; + } + } + + if ((valstr = params.get(CameraParameters::KEY_FLASH_MODE)) != NULL) { + if (isParameterValid(valstr, mCameraProperties->get(CameraProperties::SUPPORTED_FLASH_MODES))) { + CAMHAL_LOGDB("Flash mode set %s", valstr); + mParameters.set(CameraParameters::KEY_FLASH_MODE, valstr); + } else { + CAMHAL_LOGEB("ERROR: Invalid Flash mode = %s", valstr); + return BAD_VALUE; + } + } + + if ((valstr = params.get(CameraParameters::KEY_EFFECT)) != NULL) { + if (isParameterValid(valstr, mCameraProperties->get(CameraProperties::SUPPORTED_EFFECTS))) { + CAMHAL_LOGDB("Effect set %s", valstr); + mParameters.set(CameraParameters::KEY_EFFECT, valstr); + } else { + CAMHAL_LOGEB("ERROR: Invalid Effect = %s", valstr); + return BAD_VALUE; + } + } + + varint = params.getInt(CameraParameters::KEY_ROTATION); + if( varint >=0 ) + { + CAMHAL_LOGDB("Rotation set %d", varint); + mParameters.set(CameraParameters::KEY_ROTATION, varint); + } + + varint = params.getInt(CameraParameters::KEY_JPEG_QUALITY); + if( varint >= 0 ) + { + CAMHAL_LOGDB("Jpeg quality set %d", varint); + mParameters.set(CameraParameters::KEY_JPEG_QUALITY, varint); + } + + varint = params.getInt(CameraParameters::KEY_JPEG_THUMBNAIL_WIDTH); + if( varint >=0 ) + { + CAMHAL_LOGDB("Thumbnail width set %d", varint); + mParameters.set(CameraParameters::KEY_JPEG_THUMBNAIL_WIDTH, varint); + } + + varint = params.getInt(CameraParameters::KEY_JPEG_THUMBNAIL_HEIGHT); + if( varint >=0 ) + { + CAMHAL_LOGDB("Thumbnail width set %d", varint); + mParameters.set(CameraParameters::KEY_JPEG_THUMBNAIL_HEIGHT, varint); + } + + varint = params.getInt(CameraParameters::KEY_JPEG_THUMBNAIL_QUALITY); + if( varint >=0 ) + { + CAMHAL_LOGDB("Thumbnail quality set %d", varint); + mParameters.set(CameraParameters::KEY_JPEG_THUMBNAIL_QUALITY, varint); + } + + if( (valstr = params.get(CameraParameters::KEY_GPS_LATITUDE)) != NULL ) + { + CAMHAL_LOGDB("GPS latitude set %s", valstr); + 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", valstr); + 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", valstr); + 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", valstr); + 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", valstr); + 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", valstr); + 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", valstr); + 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", valstr); + 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", valstr); + mParameters.set(TICameraParameters::KEY_EXIF_MODEL, valstr); + } + + if( (valstr = params.get(TICameraParameters::KEY_EXIF_MAKE)) != NULL ) + { + CAMHAL_LOGDB("EXIF Make set %s", valstr); + mParameters.set(TICameraParameters::KEY_EXIF_MAKE, valstr); + } + +#ifdef OMAP_ENHANCEMENT + + 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); + } + +#endif + + valstr = params.get(CameraParameters::KEY_ZOOM); + varint = params.getInt(CameraParameters::KEY_ZOOM); + if ( valstr != NULL ) { + if ( ( varint >= 0 ) && ( varint <= mMaxZoomSupported ) ) { + CAMHAL_LOGDB("Zoom set %s", valstr); + doesSetParameterNeedUpdate(valstr, + mParameters.get(CameraParameters::KEY_ZOOM), + updateRequired); + mParameters.set(CameraParameters::KEY_ZOOM, valstr); + } else { + CAMHAL_LOGEB("ERROR: Invalid Zoom: %s", valstr); + return BAD_VALUE; + } + } + + if( (valstr = params.get(CameraParameters::KEY_AUTO_EXPOSURE_LOCK)) != NULL ) + { + CAMHAL_LOGDB("Auto Exposure Lock set %s", valstr); + doesSetParameterNeedUpdate(valstr, + mParameters.get(CameraParameters::KEY_AUTO_EXPOSURE_LOCK), + updateRequired); + 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", valstr); + doesSetParameterNeedUpdate(valstr, + mParameters.get(CameraParameters::KEY_AUTO_WHITEBALANCE_LOCK), + updateRequired); + mParameters.set(CameraParameters::KEY_AUTO_WHITEBALANCE_LOCK, valstr); + } + if( (valstr = params.get(CameraParameters::KEY_METERING_AREAS)) != NULL ) + { + CAMHAL_LOGDB("Metering areas position set %s", valstr); + mParameters.set(CameraParameters::KEY_METERING_AREAS, valstr); + } + + // Only send parameters to adapter if preview is already + // enabled or doesSetParameterNeedUpdate says so. Initial setParameters to camera adapter, + // will be called in startPreview() + // TODO(XXX): Need to identify other parameters that need update from camera adapter + if ( (NULL != mCameraAdapter) && (mPreviewEnabled || updateRequired) ) { + ret |= mCameraAdapter->setParameters(mParameters); + } + +#ifdef OMAP_ENHANCEMENT + + 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); + } + +#endif + + } + + //On fail restore old parameters + if ( NO_ERROR != ret ) { + mParameters = oldParams; + } + + // Restart Preview if needed by KEY_RECODING_HINT only if preview is already running. + // If preview is not started yet, Video Mode parameters will take effect on next startPreview() + if (restartPreviewRequired && previewEnabled() && !mRecordingEnabled) { + CAMHAL_LOGDA("Restarting Preview"); + ret = restartPreview(); + } else if (restartPreviewRequired && !previewEnabled() && + mDisplayPaused && !mRecordingEnabled) { + CAMHAL_LOGDA("Stopping Preview"); + forceStopPreview(); + } + + if (ret != NO_ERROR) + { + CAMHAL_LOGEA("Failed to restart Preview"); + return ret; + } + + 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 ) + { + bytes = ((bytes+4095)/4096)*4096; + 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; + + } + } + + 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; + + // allocate image buffers only if not already allocated + if(NULL != mImageBufs) { + return NO_ERROR; + } + + if ( NO_ERROR == ret ) + { + bytes = ((bytes+4095)/4096)*4096; + 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; +} + +status_t CameraHal::allocVideoBufs(uint32_t width, uint32_t height, uint32_t bufferCount) +{ + status_t ret = NO_ERROR; + LOG_FUNCTION_NAME; + + if( NULL != mVideoBufs ){ + ret = freeVideoBufs(mVideoBufs); + mVideoBufs = NULL; + } + + if ( NO_ERROR == ret ){ + int32_t stride; + buffer_handle_t *bufsArr = new buffer_handle_t [bufferCount]; + + if (bufsArr != NULL){ + for (int i = 0; i< bufferCount; i++){ + GraphicBufferAllocator &GrallocAlloc = GraphicBufferAllocator::get(); + buffer_handle_t buf; + ret = GrallocAlloc.alloc(width, height, HAL_PIXEL_FORMAT_NV12, CAMHAL_GRALLOC_USAGE, &buf, &stride); + if (ret != NO_ERROR){ + CAMHAL_LOGEA("Couldn't allocate video buffers using Gralloc"); + ret = -NO_MEMORY; + for (int j=0; j< i; j++){ + buf = (buffer_handle_t)bufsArr[j]; + CAMHAL_LOGEB("Freeing Gralloc Buffer 0x%x", buf); + GrallocAlloc.free(buf); + } + delete [] bufsArr; + goto exit; + } + bufsArr[i] = buf; + CAMHAL_LOGVB("*** Gralloc Handle =0x%x ***", buf); + } + + mVideoBufs = (int32_t *)bufsArr; + } + else{ + CAMHAL_LOGEA("Couldn't allocate video buffers "); + ret = -NO_MEMORY; + } + } + + exit: + LOG_FUNCTION_NAME; + + return ret; +} + +void endImageCapture( void *userData) +{ + LOG_FUNCTION_NAME; + + if ( NULL != userData ) + { + CameraHal *c = reinterpret_cast<CameraHal *>(userData); + c->signalEndImageCapture(); + } + + LOG_FUNCTION_NAME_EXIT; +} + +void releaseImageBuffers(void *userData) +{ + LOG_FUNCTION_NAME; + + if (NULL != userData) { + CameraHal *c = reinterpret_cast<CameraHal *>(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; + + if ( mBracketingRunning ) { + stopImageBracketing(); + } else { + mCameraAdapter->sendCommand(CameraAdapter::CAMERA_STOP_IMAGE_CAPTURE); + } + + 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; +} + +status_t CameraHal::freeVideoBufs(void *bufs) +{ + status_t ret = NO_ERROR; + + LOG_FUNCTION_NAME; + + buffer_handle_t *pBuf = (buffer_handle_t*)bufs; + int count = atoi(mCameraProperties->get(CameraProperties::REQUIRED_PREVIEW_BUFS)); + if(pBuf == NULL) + { + CAMHAL_LOGEA("NULL pointer passed to freeVideoBuffer"); + LOG_FUNCTION_NAME_EXIT; + return BAD_VALUE; + } + + GraphicBufferAllocator &GrallocAlloc = GraphicBufferAllocator::get(); + + for(int i = 0; i < count; i++){ + buffer_handle_t ptr = *pBuf++; + CAMHAL_LOGVB("Free Video Gralloc Handle 0x%x", ptr); + GrallocAlloc.free(ptr); + } + + 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 ( mPreviewEnabled ){ + CAMHAL_LOGDA("Preview already running"); + LOG_FUNCTION_NAME_EXIT; + return ALREADY_EXISTS; + } + + if ( NULL != mCameraAdapter ) { + ret = mCameraAdapter->setParameters(mParameters); + } + + if ((mPreviewStartInProgress == false) && (mDisplayPaused == false)){ + ret = mCameraAdapter->sendCommand(CameraAdapter::CAMERA_QUERY_RESOLUTION_PREVIEW,( int ) &frame); + if ( NO_ERROR != ret ){ + CAMHAL_LOGEB("Error: CAMERA_QUERY_RESOLUTION_PREVIEW %d", 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); + + } + + ///If we don't have the preview callback enabled and display adapter, + if(!mSetPreviewWindowCalled || (mDisplayAdapter.get() == NULL)){ + CAMHAL_LOGDA("Preview not started. Preview in progress flag set"); + mPreviewStartInProgress = true; + ret = mCameraAdapter->sendCommand(CameraAdapter::CAMERA_SWITCH_TO_EXECUTING); + if ( NO_ERROR != ret ){ + CAMHAL_LOGEB("Error: CAMERA_SWITCH_TO_EXECUTING %d", ret); + return ret; + } + return NO_ERROR; + } + + 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; + } + + + required_buffer_count = atoi(mCameraProperties->get(CameraProperties::REQUIRED_PREVIEW_BUFS)); + + ///Allocate the preview buffers + ret = allocPreviewBufs(mPreviewWidth, mPreviewHeight, 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; + + ret = mCameraAdapter->sendCommand(CameraAdapter::CAMERA_USE_BUFFERS_PREVIEW, + ( int ) &desc); + + if ( NO_ERROR != ret ) + { + CAMHAL_LOGEB("Failed to register preview buffers: 0x%x", ret); + freePreviewBufs(); + return ret; + } + + 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(false); + } + 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_LOGDA("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_LOGDA("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 { + // Update the display adapter with the new window that is passed from CameraService + ret = mDisplayAdapter->setPreviewWindow(window); + if ( (NO_ERROR == ret) && previewEnabled() ) { + restartPreview(); + } else if (ret == ALREADY_EXISTS) { + // ALREADY_EXISTS should be treated as a noop in this case + ret = NO_ERROR; + } + } + 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) || mRecordingEnabled) + { + LOG_FUNCTION_NAME_EXIT; + return; + } + + bool imageCaptureRunning = (mCameraAdapter->getState() == CameraAdapter::CAPTURE_STATE) && + (mCameraAdapter->getNextState() != CameraAdapter::PREVIEW_STATE); + if(mDisplayPaused && !imageCaptureRunning) + { + // 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(); + + // Reset Capture-Mode to default, so that when we switch from VideoRecording + // to ImageCapture, CAPTURE_MODE is not left to VIDEO_MODE. + 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; + const char *valstr = NULL; + bool restartPreviewRequired = false; + status_t ret = NO_ERROR; + + LOG_FUNCTION_NAME; + + +#if PPM_INSTRUMENTATION || PPM_INSTRUMENTATION_ABS + + gettimeofday(&mStartPreview, NULL); + +#endif + + if(!previewEnabled()) + { + return NO_INIT; + } + + // set internal recording hint in case camera adapter needs to make some + // decisions....(will only be sent to camera adapter if camera restart is required) + mParameters.set(TICameraParameters::KEY_RECORDING_HINT, CameraParameters::TRUE); + + // if application starts recording in continuous focus picture mode... + // then we need to force default capture mode (as opposed to video mode) + if ( ((valstr = mParameters.get(CameraParameters::KEY_FOCUS_MODE)) != NULL) && + (strcmp(valstr, CameraParameters::FOCUS_MODE_CONTINUOUS_PICTURE) == 0) ){ + restartPreviewRequired = resetVideoModeParameters(); + } + + // only need to check recording hint if preview restart is not already needed + valstr = mParameters.get(CameraParameters::KEY_RECORDING_HINT); + if ( !restartPreviewRequired && + (!valstr || (valstr && (strcmp(valstr, CameraParameters::TRUE) != 0))) ) { + restartPreviewRequired = setVideoModeParameters(mParameters); + } + + if (restartPreviewRequired) { + ret = restartPreview(); + } + + if ( NO_ERROR == ret ) + { + int count = atoi(mCameraProperties->get(CameraProperties::REQUIRED_PREVIEW_BUFS)); + mParameters.getPreviewSize(&w, &h); + CAMHAL_LOGDB("%s Video Width=%d Height=%d", __FUNCTION__, mVideoWidth, mVideoHeight); + + if ((w != mVideoWidth) && (h != mVideoHeight)) + { + ret = allocVideoBufs(mVideoWidth, mVideoHeight, count); + if ( NO_ERROR != ret ) + { + CAMHAL_LOGEB("allocImageBufs returned error 0x%x", ret); + mParameters.remove(TICameraParameters::KEY_RECORDING_HINT); + return ret; + } + + mAppCallbackNotifier->useVideoBuffers(true); + mAppCallbackNotifier->setVideoRes(mVideoWidth, mVideoHeight); + ret = mAppCallbackNotifier->initSharedVideoBuffers(mPreviewBufs, mPreviewOffsets, mPreviewFd, mPreviewLength, count, mVideoBufs); + } + else + { + mAppCallbackNotifier->useVideoBuffers(false); + mAppCallbackNotifier->setVideoRes(mPreviewWidth, mPreviewHeight); + ret = mAppCallbackNotifier->initSharedVideoBuffers(mPreviewBufs, mPreviewOffsets, mPreviewFd, mPreviewLength, count, NULL); + } + } + + 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 true if preview needs to be restarted for VIDEO_MODE parameters to take effect. + @todo Modify the policies for enabling VSTAB & VNF usecase based later. + + */ +bool CameraHal::setVideoModeParameters(const CameraParameters& params) +{ + const char *valstr = NULL; + const char *valstrRemote = 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; + } + + // 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) { + valstrRemote = params.get(CameraParameters::KEY_VIDEO_STABILIZATION); + // set VSTAB. restart is required if vstab value has changed + if ( valstrRemote != NULL) { + // make sure we support vstab + if (strcmp(mCameraProperties->get(CameraProperties::VSTAB_SUPPORTED), + CameraParameters::TRUE) == 0) { + valstr = mParameters.get(CameraParameters::KEY_VIDEO_STABILIZATION); + // vstab value has changed + if ((valstr != NULL) && + strcmp(valstr, valstrRemote) != 0) { + restartPreviewRequired = true; + } + mParameters.set(CameraParameters::KEY_VIDEO_STABILIZATION, valstrRemote); + } + } else if (mParameters.get(CameraParameters::KEY_VIDEO_STABILIZATION)) { + // vstab was configured but now unset + restartPreviewRequired = true; + mParameters.remove(CameraParameters::KEY_VIDEO_STABILIZATION); + } + + // Set VNF + valstrRemote = params.get(TICameraParameters::KEY_VNF); + if ( valstrRemote == NULL) { + CAMHAL_LOGDA("Enable VNF"); + mParameters.set(TICameraParameters::KEY_VNF, "1"); + restartPreviewRequired = true; + } else { + valstr = mParameters.get(TICameraParameters::KEY_VNF); + if (valstr && strcmp(valstr, valstrRemote) != 0) { + restartPreviewRequired = true; + } + mParameters.set(TICameraParameters::KEY_VNF, valstrRemote); + } + + // 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(CameraParameters::KEY_VIDEO_STABILIZATION); + if (valstr && (strcmp(valstr, CameraParameters::TRUE) == 0) && (mPreviewWidth == 1920)) { + CAMHAL_LOGDA("Force Enable VNF for 1080p"); + mParameters.set(TICameraParameters::KEY_VNF, "1"); + restartPreviewRequired = true; + } + } + LOG_FUNCTION_NAME_EXIT; + + return restartPreviewRequired; +} + +/** + @brief Reset the camera parameters specific to Video Recording. + + This function resets CAPTURE_MODE and disables Recording specific functions like VSTAB & VNF. + + @param none + @return true if preview needs to be restarted for VIDEO_MODE parameters to take effect. + + */ +bool CameraHal::resetVideoModeParameters() +{ + const char *valstr = NULL; + bool restartPreviewRequired = false; + status_t ret = NO_ERROR; + + LOG_FUNCTION_NAME; + + // ignore this if we are already recording + if (mRecordingEnabled) { + return false; + } + + // Set CAPTURE_MODE to VIDEO_MODE, if not set already and Restart Preview + valstr = mParameters.get(TICameraParameters::KEY_CAP_MODE); + if ((valstr != NULL) && (strcmp(valstr, TICameraParameters::VIDEO_MODE) == 0)) { + CAMHAL_LOGDA("Reset Capture-Mode to default"); + mParameters.set(TICameraParameters::KEY_CAP_MODE, ""); + restartPreviewRequired = true; + } + + LOG_FUNCTION_NAME_EXIT; + + return restartPreviewRequired; +} + +/** + @brief Restart the preview with setParameter. + + This function restarts preview, for some VIDEO_MODE parameters to take effect. + + @param none + @return NO_ERROR If recording parameters could be set without any issues + + */ +status_t CameraHal::restartPreview() +{ + const char *valstr = NULL; + char tmpvalstr[30]; + status_t ret = NO_ERROR; + + LOG_FUNCTION_NAME; + + // Retain CAPTURE_MODE before calling stopPreview(), since it is reset in stopPreview(). + tmpvalstr[0] = 0; + valstr = mParameters.get(TICameraParameters::KEY_CAP_MODE); + if(valstr != NULL) + { + if(sizeof(tmpvalstr) < (strlen(valstr)+1)) + { + return -EINVAL; + } + + strncpy(tmpvalstr, valstr, sizeof(tmpvalstr)); + tmpvalstr[sizeof(tmpvalstr)-1] = 0; + } + + forceStopPreview(); + + { + Mutex::Autolock lock(mLock); + mParameters.set(TICameraParameters::KEY_CAP_MODE, tmpvalstr); + mCameraAdapter->setParameters(mParameters); + } + + ret = startPreview(); + + LOG_FUNCTION_NAME_EXIT; + + return ret; +} + +/** + @brief Stop a previously started recording. + + @param none + @return none + + */ +void CameraHal::stopRecording() +{ + CameraAdapter::AdapterState currentState; + + LOG_FUNCTION_NAME; + + Mutex::Autolock lock(mLock); + + if (!mRecordingEnabled ) + { + return; + } + + currentState = mCameraAdapter->getState(); + if (currentState == CameraAdapter::VIDEO_CAPTURE_STATE) { + mCameraAdapter->sendCommand(CameraAdapter::CAMERA_STOP_IMAGE_CAPTURE); + } + + mAppCallbackNotifier->stopRecording(); + + mCameraAdapter->sendCommand(CameraAdapter::CAMERA_STOP_VIDEO); + + mRecordingEnabled = false; + + if ( mAppCallbackNotifier->getUesVideoBuffers() ){ + freeVideoBufs(mVideoBufs); + if (mVideoBufs){ + CAMHAL_LOGVB(" FREEING mVideoBufs 0x%x", mVideoBufs); + delete [] mVideoBufs; + } + mVideoBufs = NULL; + } + + // reset internal recording hint in case camera adapter needs to make some + // decisions....(will only be sent to camera adapter if camera restart is required) + mParameters.remove(TICameraParameters::KEY_RECORDING_HINT); + + 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; + + Mutex::Autolock lock(mLock); + + mMsgEnabled |= CAMERA_MSG_FOCUS; + + if ( NULL == mCameraAdapter ) + { + ret = -1; + goto EXIT; + } + + CameraAdapter::AdapterState state; + ret = mCameraAdapter->getState(state); + if (ret != NO_ERROR) + { + goto EXIT; + } + + if (state == CameraAdapter::AF_STATE) + { + CAMHAL_LOGI("Ignoring start-AF (already in progress)"); + goto EXIT; + } + +#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 + +EXIT: + 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; + + Mutex::Autolock lock(mLock); + CameraParameters adapterParams = mParameters; + mMsgEnabled &= ~CAMERA_MSG_FOCUS; + + if( NULL != mCameraAdapter ) + { + adapterParams.set(TICameraParameters::KEY_AUTO_FOCUS_LOCK, CameraParameters::FALSE); + mCameraAdapter->setParameters(adapterParams); + mCameraAdapter->sendCommand(CameraAdapter::CAMERA_CANCEL_AUTOFOCUS); + mAppCallbackNotifier->flushEventQueue(); + } + + 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( !previewEnabled() ) + { + return NO_INIT; + } + + mBracketingRunning = false; + + 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; + const char *valstr = NULL; + 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; + CAMHAL_LOGEA("Preview not started..."); + return NO_INIT; + } + + // return error if we are already capturing + if ( (mCameraAdapter->getState() == CameraAdapter::CAPTURE_STATE && + mCameraAdapter->getNextState() != CameraAdapter::PREVIEW_STATE) || + (mCameraAdapter->getState() == CameraAdapter::VIDEO_CAPTURE_STATE && + mCameraAdapter->getNextState() != CameraAdapter::VIDEO_STATE) ) { + CAMHAL_LOGEA("Already capturing an image..."); + return NO_INIT; + } + + // we only support video snapshot if we are in video mode (recording hint is set) + valstr = mParameters.get(TICameraParameters::KEY_CAP_MODE); + if ( (mCameraAdapter->getState() == CameraAdapter::VIDEO_STATE) && + (valstr && strcmp(valstr, TICameraParameters::VIDEO_MODE)) ) { + CAMHAL_LOGEA("Trying to capture while recording without recording hint set..."); + return INVALID_OPERATION; + } + + 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 normal image capture + // do not pause preview if recording (video state) + if (NO_ERROR == ret && + NULL != mDisplayAdapter.get() && + burst < 1) { + if (mCameraAdapter->getState() != CameraAdapter::VIDEO_STATE) { + mDisplayPaused = true; + mPreviewEnabled = false; + ret = mDisplayAdapter->pauseDisplay(mDisplayPaused); + // since preview is paused we should stop sending preview frames too + if(mMsgEnabled & CAMERA_MSG_PREVIEW_FRAME) { + mAppCallbackNotifier->disableMsgType (CAMERA_MSG_PREVIEW_FRAME); + } + } + +#if PPM_INSTRUMENTATION || PPM_INSTRUMENTATION_ABS + mDisplayAdapter->setSnapshotTimeRef(&mStartCapture); +#endif + } + + // if we taking video snapshot... + if ((NO_ERROR == ret) && (mCameraAdapter->getState() == CameraAdapter::VIDEO_STATE)) { + // enable post view frames if not already enabled so we can internally + // save snapshot frames for generating thumbnail + if((mMsgEnabled & CAMERA_MSG_POSTVIEW_FRAME) == 0) { + mAppCallbackNotifier->enableMsgType(CAMERA_MSG_POSTVIEW_FRAME); + } + } + + if ( (NO_ERROR == ret) && (NULL != mCameraAdapter) ) + { + 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); + } + } + + 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() +{ + String8 params_str8; + char* params_string; + const char * valstr = NULL; + + LOG_FUNCTION_NAME; + + if( NULL != mCameraAdapter ) + { + mCameraAdapter->getParameters(mParameters); + } + + CameraParameters mParams = mParameters; + + // Handle RECORDING_HINT to Set/Reset Video Mode Parameters + valstr = mParameters.get(CameraParameters::KEY_RECORDING_HINT); + if(valstr != NULL) + { + if(strcmp(valstr, CameraParameters::TRUE) == 0) + { + //HACK FOR MMS MODE + resetPreviewRes(&mParams, mVideoWidth, mVideoHeight); + } + } + + // do not send internal parameters to upper layers + mParams.remove(TICameraParameters::KEY_RECORDING_HINT); + mParams.remove(TICameraParameters::KEY_AUTO_FOCUS_LOCK); + + params_str8 = mParams.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"); + return -EINVAL; + } + + /////////////////////////////////////////////////////// + // Following commands do NOT need preview to be started + /////////////////////////////////////////////////////// + switch(cmd) { + case CAMERA_CMD_ENABLE_FOCUS_MOVE_MSG: + bool enable = static_cast<bool>(arg1); + Mutex::Autolock lock(mLock); + if (enable) { + mMsgEnabled |= CAMERA_MSG_FOCUS_MOVE; + } else { + mMsgEnabled &= ~CAMERA_MSG_FOCUS_MOVE; + } + return NO_ERROR; + break; + } + + if ( ( NO_ERROR == ret ) && ( !previewEnabled() )) + { + CAMHAL_LOGEA("Preview is not running"); + ret = -EINVAL; + } + + /////////////////////////////////////////////////////// + // Following commands NEED preview to be started + /////////////////////////////////////////////////////// + + 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); + break; + + 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; + mVideoWidth = 0; + mVideoHeight = 0; + +#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 display adapter + mDisplayAdapter.clear(); + + if ( NULL != mCameraAdapter ) { + int strongCount = mCameraAdapter->getStrongCount(); + + mCameraAdapter->decStrong(mCameraAdapter); + + mCameraAdapter = NULL; + } + + freeImageBufs(); + + /// Free the memory manager + mMemoryManager.clear(); + + 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; + + ///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(sensor_index); + if ( ( NULL == mCameraAdapter ) || (mCameraAdapter->initialize(properties)!=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::doesSetParameterNeedUpdate(const char* new_param, const char* old_param, bool& update) { + if (!new_param || !old_param) { + return -EINVAL; + } + + // if params mismatch we should update parameters for camera adapter + if ((strcmp(new_param, old_param) != 0)) { + update = true; + } + + return NO_ERROR; +} + +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(CameraParameters::KEY_VIDEO_STABILIZATION_SUPPORTED, mCameraProperties->get(CameraProperties::VSTAB_SUPPORTED)); + 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)); + p.set(CameraParameters::KEY_VIDEO_SNAPSHOT_SUPPORTED, mCameraProperties->get(CameraProperties::VIDEO_SNAPSHOT_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_GBCE, mCameraProperties->get(CameraProperties::GBCE)); + 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(CameraParameters::KEY_VIDEO_STABILIZATION, mCameraProperties->get(CameraProperties::VSTAB)); + 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->flushAndReturnFrames(); + mAppCallbackNotifier->stopPreviewCallbacks(); + } + + if ( NULL != mCameraAdapter ) { + // only need to send these control commands to state machine if we are + // passed the LOADED_PREVIEW_STATE + if (mCameraAdapter->getState() > CameraAdapter::LOADED_PREVIEW_STATE) { + // according to javadoc...FD should be stopped in stopPreview + // and application needs to call startFaceDection again + // to restart FD + mCameraAdapter->sendCommand(CameraAdapter::CAMERA_STOP_FD); + } + + mCameraAdapter->rollbackToInitializedState(); + + } + + freePreviewBufs(); + freePreviewDataBufs(); + + mPreviewEnabled = false; + mDisplayPaused = false; + mPreviewStartInProgress = 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 || mDisplayPaused ) { + forceStopPreview(); + } + + 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; +} + +void CameraHal::selectFPSRange(int framerate, int *min_fps, int *max_fps) +{ + char * ptr; + char supported[MAX_PROP_VALUE_LENGTH]; + int fpsrangeArray[2]; + int i = 0; + + LOG_FUNCTION_NAME; + size_t size = strlen(mCameraProperties->get(CameraProperties::FRAMERATE_RANGE_SUPPORTED))+1; + strncpy(supported, mCameraProperties->get(CameraProperties::FRAMERATE_RANGE_SUPPORTED), size); + + ptr = strtok (supported," (,)"); + + while (ptr != NULL) + { + fpsrangeArray[i]= atoi(ptr)/CameraHal::VFR_SCALE; + if (i == 1) + { + if (framerate == fpsrangeArray[i]) + { + CAMHAL_LOGDB("SETTING FPS RANGE min = %d max = %d \n", fpsrangeArray[0], fpsrangeArray[1]); + *min_fps = fpsrangeArray[0]*CameraHal::VFR_SCALE; + *max_fps = fpsrangeArray[1]*CameraHal::VFR_SCALE; + break; + } + } + ptr = strtok (NULL, " (,)"); + i++; + i%=2; + } + + LOG_FUNCTION_NAME_EXIT; + +} + +void CameraHal::setPreferredPreviewRes(int width, int height) +{ + LOG_FUNCTION_NAME; + + if ( (width == 320) && (height == 240)){ + mParameters.setPreviewSize(640,480); + } + if ( (width == 176) && (height == 144)){ + mParameters.setPreviewSize(704,576); + } + + LOG_FUNCTION_NAME_EXIT; +} + +void CameraHal::resetPreviewRes(CameraParameters *mParams, int width, int height) +{ + LOG_FUNCTION_NAME; + + if ( (width <= 320) && (height <= 240)){ + mParams->setPreviewSize(mVideoWidth, mVideoHeight); + } + + LOG_FUNCTION_NAME_EXIT; +} + +}; + + |