--- a/camerauis/cameraxui/cxengine/src/cxestillcapturecontrolsymbian.cpp Tue Aug 31 15:03:46 2010 +0300
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,957 +0,0 @@
-/*
-* Copyright (c) 2009-2010 Nokia Corporation and/or its subsidiary(-ies).
-* All rights reserved.
-* This component and the accompanying materials are made available
-* under the terms of "Eclipse Public License v1.0"
-* which accompanies this distribution, and is available
-* at the URL "http://www.eclipse.org/legal/epl-v10.html".
-*
-* Initial Contributors:
-* Nokia Corporation - initial contribution.
-*
-* Contributors:
-*
-* Description:
-*
-*/
-
-
-#include <algorithm>
-#include <exception>
-#include <QPixmap>
-#include <coemain.h>
-#include <ECamOrientationCustomInterface2.h>
-#include <ecamfacetrackingcustomapi.h>
-#include <ecamusecasehintcustomapi.h>
-
-#include "cxestillcapturecontrolsymbian.h"
-#include "cxeimagedataqueuesymbian.h"
-#include "cxefilenamegenerator.h"
-#include "cxefilesavethread.h"
-#include "cxutils.h"
-#include "cxecameradevicecontrol.h"
-#include "cxecameradevice.h"
-#include "cxesoundplayersymbian.h"
-#include "cxestillimagesymbian.h"
-#include "cxeviewfindercontrolsymbian.h"
-#include "cxesnapshotcontrol.h"
-#include "cxesettingsmappersymbian.h"
-#include "cxestate.h"
-#include "cxesettings.h"
-#include "cxeerrormappingsymbian.h"
-#include "cxeautofocuscontrol.h"
-#include "cxesensoreventhandler.h"
-#include "cxesensoreventhandler.h"
-#include "cxequalitypresetssymbian.h"
-#include "cxediskmonitor.h"
-#include "cxeexception.h"
-
-#include "OstTraceDefinitions.h"
-#ifdef OST_TRACE_COMPILER_IN_USE
-#include "cxestillcapturecontrolsymbianTraces.h"
-#endif
-
-
-// constants
-namespace
-{
- const TInt64 KMinRequiredSpaceImage = 2000000;
-}
-
-/*!
- * Constructor.
- */
-CxeStillCaptureControlSymbian::CxeStillCaptureControlSymbian(
- CxeCameraDevice &cameraDevice,
- CxeViewfinderControl &viewfinderControl,
- CxeSnapshotControl &snapshotControl,
- CxeCameraDeviceControl &cameraDeviceControl,
- CxeFilenameGenerator &nameGenerator,
- CxeSensorEventHandler &sensorEventHandler,
- CxeAutoFocusControl &autoFocusControl,
- CxeSettings &settings,
- CxeQualityPresets &qualityPresets,
- CxeFileSaveThread &fileSaveThread,
- CxeDiskMonitor &diskMonitor)
- : CxeStateMachine("CxeStillCaptureControlSymbian"),
- mCameraDevice(cameraDevice),
- mViewfinderControl(viewfinderControl),
- mSnapshotControl(snapshotControl),
- mCameraDeviceControl(cameraDeviceControl),
- mFilenameGenerator(nameGenerator),
- mSensorEventHandler(sensorEventHandler),
- mAutoFocusControl(autoFocusControl),
- mSettings(settings),
- mQualityPresets(qualityPresets),
- mFileSaveThread(fileSaveThread),
- mDiskMonitor(diskMonitor),
- mMode(SingleImageCapture),
- mAfState(CxeAutoFocusControl::Unknown)
-{
- CX_DEBUG_ENTER_FUNCTION();
- OstTrace0(camerax_performance, CXESTILLCAPTURECONTROLSYMBIAN_CREATE_IN, "msg: e_CX_STILLCAPTURECONTROL_NEW 1");
-
- qRegisterMetaType<CxeStillCaptureControl::State>();
- initializeStates();
- reset();
-
- // If camera is already allocated, call the slot ourselves.
- if (mCameraDevice.camera()) {
- handleCameraAllocated(CxeError::None);
- }
-
- OstTrace0(camerax_performance, CXESTILLCAPTURECONTROLSYMBIAN_CREATE_MID1, "msg: e_CX_ENGINE_CONNECT_SIGNALS 1");
- // connect signals from cameraDevice to recieve events when camera reference changes
- connect(&cameraDevice, SIGNAL(prepareForCameraDelete()),
- this, SLOT(prepareForCameraDelete()));
- connect(&cameraDevice, SIGNAL(prepareForRelease()),
- this, SLOT(prepareForRelease()));
- connect(&cameraDevice, SIGNAL(cameraAllocated(CxeError::Id)),
- this, SLOT(handleCameraAllocated(CxeError::Id)));
- connect(&mSensorEventHandler,
- SIGNAL(sensorEvent(CxeSensorEventHandler::SensorType,QVariant)),
- this, SLOT(handleSensorEvent(CxeSensorEventHandler::SensorType,QVariant)));
-
- // enabling setting change callbacks to stillcapturecontrol
- connect(&mSettings, SIGNAL(settingValueChanged(const QString&,QVariant)),
- this, SLOT(handleSettingValueChanged(const QString&,QVariant)));
-
- // Connect ECam image buffer ready event
- connect(&mCameraDeviceControl, SIGNAL(imageBufferReady(MCameraBuffer*,int)),
- this, SLOT(handleImageData(MCameraBuffer*,int)));
- // connect snapshot ready signal
- connect(&mSnapshotControl, SIGNAL(snapshotReady(CxeError::Id, const QImage&)),
- this, SLOT(handleSnapshotReady(CxeError::Id, const QImage&)));
-
- OstTrace0(camerax_performance, CXESTILLCAPTURECONTROLSYMBIAN_CREATE_MID2, "msg: e_CX_ENGINE_CONNECT_SIGNALS 0");
-
- mImageDataQueue = new CxeImageDataQueueSymbian();
- mAutoFocusSoundPlayer = new CxeSoundPlayerSymbian(CxeSoundPlayerSymbian::AutoFocus, mSettings);
- mCaptureSoundPlayer = new CxeSoundPlayerSymbian(CxeSoundPlayerSymbian::StillCapture, mSettings);
-
- OstTrace0(camerax_performance, CXESTILLCAPTURECONTROLSYMBIAN_CREATE_OUT, "msg: e_CX_STILLCAPTURECONTROL_NEW 0");
- CX_DEBUG_EXIT_FUNCTION();
-}
-
-/*!
- * Destructor.
- */
-CxeStillCaptureControlSymbian::~CxeStillCaptureControlSymbian()
-{
- CX_DEBUG_ENTER_FUNCTION();
-
- deinit();
- reset();
- mIcmSupportedImageResolutions.clear();
- mECamSupportedImageResolutions.clear();
- delete mImageDataQueue;
- delete mCaptureSoundPlayer;
- delete mAutoFocusSoundPlayer;
-
- CX_DEBUG_EXIT_FUNCTION();
-}
-
-/*!
- * Return the current state.
- */
-CxeStillCaptureControl::State CxeStillCaptureControlSymbian::state() const
-{
- return static_cast<CxeStillCaptureControl::State>( stateId() );
-}
-
-/*!
- * Handle state changed event. Normally just emits the signal
- * for observers to react appropriately.
- */
-void CxeStillCaptureControlSymbian::handleStateChanged( int newStateId, CxeError::Id error )
-{
- emit stateChanged( static_cast<State>( newStateId ), error );
-}
-
-/*!
- * Initialize the control states.
- */
-void CxeStillCaptureControlSymbian::initializeStates()
-{
- // addState( id, name, allowed next states )
- addState(new CxeState( Uninitialized , "Uninitialized", Ready));
- addState(new CxeState( Ready , "Ready", Uninitialized | Capturing));
- addState(new CxeState( Capturing , "Capturing", Uninitialized | Ready));
-
- setInitialState(Uninitialized);
-}
-
-/*!
- * Initialize the still image capture control.
- */
-void CxeStillCaptureControlSymbian::init()
-{
- CX_DEBUG_ENTER_FUNCTION();
- OstTrace0(camerax_performance, CXESTILLCAPTURECONTROLSYMBIAN_INIT_IN, "msg: e_CX_STILL_CAPCONT_INIT 1");
-
- if (state() == Uninitialized) {
- prepare();
- // Initialize orientation sensor and other sensors
- mSensorEventHandler.init();
- }
-
- OstTrace0(camerax_performance, CXESTILLCAPTURECONTROLSYMBIAN_INIT_OUT, "msg: e_CX_STILL_CAPCONT_INIT 0");
- CX_DEBUG_EXIT_FUNCTION();
-}
-
-/*!
- * Un-initialize the image mode.
- */
-void CxeStillCaptureControlSymbian::deinit()
-{
- CX_DEBUG_ENTER_FUNCTION();
-
- if (state() == Uninitialized) {
- // nothing to do
- return;
- }
-
- OstTrace0( camerax_performance, CXESTILLCAPTURECONTROLSYMBIAN_DEINIT_IN, "msg: e_CX_STILLCAPCONT_DEINIT 1" );
-
- // Stop monitoring disk space.
- mDiskMonitor.stop();
- disconnect(&mDiskMonitor, SIGNAL(diskSpaceChanged()), this, SLOT(handleDiskSpaceChanged()));
-
- //stop viewfinder
- mViewfinderControl.stop();
-
- if (state() == Capturing) {
- mCameraDevice.camera()->CancelCaptureImage();
- }
-
- // disable sensor event handler.
- mSensorEventHandler.deinit();
-
- mSnapshotControl.stop();
-
- setState(Uninitialized);
-
- OstTrace0( camerax_performance, CXESTILLCAPTURECONTROLSYMBIAN_DEINIT_OUT, "msg: e_CX_STILLCAPCONT_DEINIT 0" );
- CX_DEBUG_EXIT_FUNCTION();
-}
-
-
-/*!
- * Prepare still capture mode.
- */
-void CxeStillCaptureControlSymbian::prepare()
-{
- CX_DEBUG_ENTER_FUNCTION();
-
- if (state() != Uninitialized) {
- // wrong state and we return
- return;
- }
-
- OstTrace0(camerax_performance, CXESTILLCAPTURECONTROL_PREPARE_IN, "msg: e_CX_STILLCAPCONT_PREPARE 1");
-
- CxeError::Id status(CxeError::None);
-
- try {
- // Update capture parameters
- updateStillCaptureParameters();
-
- // Prepare Image capture
- CX_DEBUG(("Calling PrepareImageCaptureL, resolution index = %d", mSizeIndex));
- OstTrace0(camerax_performance, CXESTILLCAPTURECONTROL_PREPARE_MID1, "msg: e_CX_PREPARE_IMAGE_CAPTURE 1");
- QT_TRAP_THROWING(mCameraDevice.camera()->PrepareImageCaptureL(mCaptureFormat, mSizeIndex));
- OstTrace0(camerax_performance, CXESTILLCAPTURECONTROL_PREPARE_MID2, "msg: e_CX_PREPARE_IMAGE_CAPTURE 0");
-
- // Start viewfinder before claiming to be ready,
- // as e.g. pending capture might be started by state change,
- // and viewfinder start might have problems with just started capturing.
- // If viewfinder is already running, this call does nothing.
- mViewfinderControl.start();
-
- // Prepare snapshot
- prepareSnapshot();
-
- // Start monitoring disk space.
- mDiskMonitor.start();
- connect(&mDiskMonitor, SIGNAL(diskSpaceChanged()), this, SLOT(handleDiskSpaceChanged()));
-
- // Enable AF reticule drawing by adaptation
- MCameraFaceTracking *faceTracking = mCameraDevice.faceTracking();
- if (faceTracking) {
- TRAP_IGNORE(faceTracking->EnableFaceIndicatorsL(ETrue));
- }
-
- // Still capture and still snapshot are OK.
- // We can safely set state to READY.
- setState(Ready);
-
- // inform zoom control to prepare zoom
- emit prepareZoomForStill(mSizeIndex);
-
- } catch (const std::exception &e) {
- // Exception encountered, free resources.
- CX_DEBUG(("Image Prepare FAILED! symbian error = %d", qt_symbian_exception2Error(e)));
- status = CxeErrorHandlingSymbian::map(qt_symbian_exception2Error(e));
- deinit();
- }
-
- // Inform interested parties that image mode has been prepared for capture
- emit imagePrepareComplete(status);
-
- OstTrace0(camerax_performance, CXESTILLCAPTURECONTROL_GOTOSTILL, "msg: e_CX_GO_TO_STILL_MODE 0");
- OstTrace0(camerax_performance, CXESTILLCAPTURECONTROL_PREPARE_OUT, "msg: e_CX_STILLCAPCONT_PREPARE 0");
- CX_DEBUG_EXIT_FUNCTION();
-}
-
-
-
-/*!
- Prepare still snapshot
- Throws exception on error.
- */
-void CxeStillCaptureControlSymbian::prepareSnapshot()
-{
- CX_DEBUG_ENTER_FUNCTION();
- OstTrace0( camerax_performance, CXESTILLCAPTURECONTROL_PREPARESNAP_1, "msg: e_CX_PREPARE_SNAPSHOT 1" );
-
- QSize snapshotSize = mSnapshotControl.calculateSnapshotSize(
- mViewfinderControl.deviceDisplayResolution(),
- mCurrentImageDetails.mAspectRatio);
- mSnapshotControl.start(snapshotSize);
-
- OstTrace0( camerax_performance, CXESTILLCAPTURECONTROL_PREPARESNAP_2, "msg: e_CX_PREPARE_SNAPSHOT 0" );
- CX_DEBUG_EXIT_FUNCTION();
-}
-
-
-/*!
- Update image capture parameters. mCurrentImageDetails, mCaptureFormat and
- mSizeIndex are updated based on the current settings.
-*/
-void CxeStillCaptureControlSymbian::updateStillCaptureParameters()
-{
- CX_DEBUG_ENTER_FUNCTION();
- OstTrace0( camerax_performance, CXESTILLCAPTURECONTROL_UPDATESTILLCAPTUREPARAMETERS_1, "msg: e_CX_UPDATE_STILL_CAPTURE_PARAMETERS 1" );
-
- int imageQuality = 0;
- CxeError::Id err = CxeError::None;
- if (mCameraDeviceControl.cameraIndex() == Cxe::PrimaryCameraIndex) {
- try {
- imageQuality = mSettings.get<int>(CxeSettingIds::IMAGE_QUALITY);
-
- bool validQuality = (imageQuality >= 0 &&
- imageQuality < mIcmSupportedImageResolutions.count());
-
- if (validQuality ) {
- // get image quality details
- mCurrentImageDetails = mIcmSupportedImageResolutions.at(imageQuality);
- } else {
- err = CxeError::NotFound;
- CX_DEBUG(("Invalid ImageQuality = %d", imageQuality));
- }
- } catch (CxeException &e) {
- err = (CxeError::Id) e.error();
- }
- } else {
- // we are in secondary camera
- // get secondary camera image quality details
- mCurrentImageDetails = mIcmSupportedImageResolutions.at(imageQuality);
- }
-
- mSizeIndex = 0;
-
- if (err == CxeError::None) {
- int imageWidth = mCurrentImageDetails.mWidth;
- int imageHeight = mCurrentImageDetails.mHeight;
- CX_DEBUG(("CxeStillCaptureControlSymbian::updateStillCaptureParameters <> resolution = (%d, %d)", imageWidth, imageHeight));
-
- TSize imageSize;
- imageSize.SetSize(imageWidth, imageHeight);
-
- if (mECamSupportedImageResolutions.count() > 0) {
- mSizeIndex = mECamSupportedImageResolutions.indexOf(imageSize);
- }
-
- if (mSizeIndex < 0) {
- CX_DEBUG(("CxeStillCaptureControlSymbian::updateStillCaptureParameters - WARNING! resolution not supported, falling back to index 0"));
- mSizeIndex = 0;
- }
-
- mCaptureFormat = supportedStillFormat(mCameraDeviceControl.cameraIndex());
- }
-
- OstTrace0( camerax_performance, CXESTILLCAPTURECONTROL_UPDATESTILLCAPTUREPARAMETERS_2, "msg: e_CX_UPDATE_STILL_CAPTURE_PARAMETERS 0" );
- CX_DEBUG_EXIT_FUNCTION();
-}
-
-/*!
- * Command to start image capture now.
- * @sa handleCameraEvent
- */
-void CxeStillCaptureControlSymbian::capture()
-{
- CX_DEBUG_ENTER_FUNCTION();
- CX_ASSERT_ALWAYS(mCameraDevice.camera());
-
- // Start the image capture as fast as possible to minimize lag.
- // Check e.g. space available *after* this.
- // Capture sound will be played when we receive "image capture event" from ECAM.
- mCameraDevice.camera()->CaptureImage();
-
- if (imagesLeft() > 0) {
- setState(Capturing);
-
- //! @todo: NOTE: This call may not stay here. It can move depending on the implementation for burst capture.
- if (mMode == BurstCapture) {
- // Start a new filename sequence
- mFilenameGenerator.startNewImageFilenameSequence();
- }
- } else {
- // There's no space for the image.
- // Cancel started capturing.
- mCameraDevice.camera()->CancelCaptureImage();
-
- // Report error.
- // Ui notification has anyway some delays, hence handling VF after this.
- emit imageCaptured(CxeError::DiskFull, CxeStillImage::INVALID_ID);
-
- // Capturing stops viewfinder, so restart it now.
- mViewfinderControl.stop();
- mViewfinderControl.start();
- }
-
- CX_DEBUG_EXIT_FUNCTION();
-}
-
-
-/*!
-@Param cameraIndex indicates which camera we are in use, primary/secondary
-Returns the format we use for specific camera index.
-*/
-CCamera::TFormat CxeStillCaptureControlSymbian::supportedStillFormat(Cxe::CameraIndex cameraIndex)
-{
- CX_DEBUG_ENTER_FUNCTION();
- Q_UNUSED(cameraIndex);
-
- // The same image format used for both primary and secodary cameras
- CCamera::TFormat imgFormat = CCamera::EFormatExif;
-
- CX_DEBUG_EXIT_FUNCTION();
-
- return imgFormat;
-}
-
-/*!
- * Snapshot ready notification. Ask the snapshot from snapshot interface.
- * NB: Typically snapshot arrives before image data but can be in reverse
- * order as well.
- *
- * @param status Status of snapshot creation. CxeError::None if no error, otherwise contains the error code.
- * @param snapshot Snapshot as QImage
- */
-void CxeStillCaptureControlSymbian::handleSnapshotReady(CxeError::Id status, const QImage &snapshot)
-{
- CX_DEBUG_ENTER_FUNCTION();
- if (mCameraDeviceControl.mode() == Cxe::ImageMode) {
-
- OstTrace0(camerax_performance, CXESTILLCAPTURECONTROL_HANDLESNAPSHOT_1, "msg: e_CX_HANDLE_SNAPSHOT 1");
-
- QPixmap ss = QPixmap::fromImage(snapshot);
- // Get image container for current snapshot index.
- // Remember to increment counter.
- CxeStillImageSymbian* stillImage = getImageForIndex(mNextSnapshotIndex++);
- if (status == CxeError::None) {
- stillImage->setSnapshot(ss);
- }
-
- // Emit snapshotReady signal in all cases (error or not)
- emit snapshotReady(status, snapshot, stillImage->id());
-
- // When the snapshot ready event is handled, prepare new filename.
- if (stillImage->filename().isEmpty()) {
- // Error ignored at this point, try again when image data arrives.
- prepareFilename(stillImage);
- }
-
- OstTrace0(camerax_performance, CXESTILLCAPTURECONTROL_HANDLESNAPSHOT_2, "msg: e_CX_HANDLE_SNAPSHOT 0");
- }
-
- CX_DEBUG_EXIT_FUNCTION();
-}
-
-/*!
-* Handle ECAM events.
-* Needed only for capture sound synchronization.
-* @param eventUid ECAM event id.
-* @param error Error code. KErrNone if operation has been successful.
-*/
-void CxeStillCaptureControlSymbian::handleCameraEvent(int eventUid, int error)
-{
- if (eventUid == KUidECamEventImageCaptureEventUidValue && error == KErrNone) {
- CX_DEBUG(("CxeStillCaptureControlSymbian::handleCameraEvent - image capture event"));
- if (state() == CxeStillCaptureControl::Capturing) {
- mCaptureSoundPlayer->play();
- }
- }
-}
-
-
-/*!
- * handleImageData: Image data received from ECam
- */
-void CxeStillCaptureControlSymbian::handleImageData(MCameraBuffer* cameraBuffer, int error)
-{
- CX_DEBUG_ENTER_FUNCTION();
-
- if (state() == CxeStillCaptureControl::Uninitialized) {
- // we ignore this event, when we are not active
- cameraBuffer->Release();
- return;
- }
-
- // Get image container for current image data index.
- // Remember to increment counter.
- CxeStillImageSymbian* stillImage = getImageForIndex(mNextImageDataIndex++);
-
- if (error) {
- // Indicate error in image capture to the UI.
- cameraBuffer->Release();
- emit imageCaptured(CxeErrorHandlingSymbian::map(error), stillImage->id());
- return;
- }
-
- // If filename is not available at this stage, then generate one now
- if (stillImage->filename().isEmpty()) {
- CxeError::Id cxErr = prepareFilename(stillImage);
- if (cxErr) {
- cameraBuffer->Release();
- emit imageCaptured(cxErr, stillImage->id());
- return;
- }
- }
-
- // Get the image data from the buffer
- TDesC8* data = NULL;
- TRAPD( symbErr, data = cameraBuffer->DataL(0) );
- CX_DEBUG(("dataError: %d, data: 0x%08x", symbErr, data));
-
- if (!data && !symbErr) {
- symbErr = KErrNoMemory;
- }
-
- // If data is available, initiate saving of image
- if (!symbErr) {
- //! @todo: this does a deep copy... we want to avoid this for performance/memory consumption reasons
- QByteArray byteArray( reinterpret_cast<const char*>( data->Ptr() ), data->Size() );
- data = NULL;
-
- // get geotagging setting value and check if we have to add location trail to image data.
- Cxe::GeoTagging value = mSettings.get<Cxe::GeoTagging>(CxeSettingIds::GEOTAGGING, Cxe::GeoTaggingOff);
-
-
- // Save the image data
- CxeImageDataItemSymbian* dataItem = mImageDataQueue->startSave(byteArray,
- stillImage->filename(),
- stillImage->id(),
- value == Cxe::GeoTaggingOn);
- stillImage->setDataItem(dataItem);
- mFileSaveThread.save(dataItem); // Saving thread takes ownership of dataItem.
- }
-
- // ECam Camera buffer should always be released
- cameraBuffer->Release();
-
- // Inform interested parties about image capture
- emit imageCaptured(CxeErrorHandlingSymbian::map(symbErr), stillImage->id());
-
- // set state to ready, since capturing is complete
- setState(Ready);
-
- // image capture ready, before that we check if the orientation of the device changed during capture and if so, we set the new orientation
- setOrientation(mSensorEventHandler.sensorData(CxeSensorEventHandler::OrientationSensor));
-
- CX_DEBUG_EXIT_FUNCTION();
-}
-
-
-/*!
- * Settings changed, needs updated
- */
-void CxeStillCaptureControlSymbian::handleSettingValueChanged(const QString& settingId, QVariant newValue)
-{
- CX_DEBUG_ENTER_FUNCTION();
-
- Q_UNUSED(newValue);
-
- if (settingId == CxeSettingIds::IMAGE_QUALITY) {
- // re-prepare for still
- if (state() == Ready) {
- deinit();
- init();
- }
- }
-
- CX_DEBUG_EXIT_FUNCTION();
-}
-
-/*!
-* Disk space changed.
-* Emit remaining images changed signal, if space change affects it.
-*/
-void CxeStillCaptureControlSymbian::handleDiskSpaceChanged()
-{
- CX_DEBUG_ENTER_FUNCTION();
-
- // Ignore updates on other states.
- if (state() == CxeStillCaptureControl::Ready) {
-
- int images = calculateRemainingImages(mCurrentImageDetails.mEstimatedSize);
-
- if (images != mCurrentImageDetails.mPossibleImages) {
- CX_DEBUG(("CxeStillCaptureControlSymbian - available images changed %d -> %d",
- mCurrentImageDetails.mPossibleImages, images));
-
- mCurrentImageDetails.mPossibleImages = images;
- emit availableImagesChanged();
- }
- }
-
- CX_DEBUG_EXIT_FUNCTION();
-}
-
-/*!
- * ECam reference changing, release resources
- */
-void CxeStillCaptureControlSymbian::prepareForCameraDelete()
-{
- CX_DEBUG_ENTER_FUNCTION();
- deinit();
- CX_DEBUG_EXIT_FUNCTION();
-}
-
-/*!
- * Camera being released. Cancel ongoing capture, if any.
- */
-void CxeStillCaptureControlSymbian::prepareForRelease()
-{
- CX_DEBUG_ENTER_FUNCTION();
- deinit();
- CX_DEBUG_EXIT_FUNCTION();
-}
-
-/*!
- * New camera available,
- */
-void CxeStillCaptureControlSymbian::handleCameraAllocated(CxeError::Id error)
-{
- CX_DEBUG_ENTER_FUNCTION();
-
- if (error == CxeError::None) {
- // load all still resoultions supported by ecam
- mECamSupportedImageResolutions.clear();
- TCameraInfo cameraInfo;
- Cxe::CameraIndex cameraIndex = mCameraDeviceControl.cameraIndex();
- CCamera::TFormat imgFormat = supportedStillFormat(cameraIndex);
- mCameraDevice.camera()->CameraInfo(cameraInfo);
-
- for(int i = 0; i < cameraInfo.iNumImageSizesSupported; i++) {
- TSize size;
- mCameraDevice.camera()->EnumerateCaptureSizes(size, i, imgFormat);
- CX_DEBUG(("ECam supported resolution <> Size (%d): (%d,%d)", i, size.iWidth, size.iHeight));
- mECamSupportedImageResolutions.insert(i, size);
- }
-
- // load all still qualities supported by icm
- mIcmSupportedImageResolutions.clear();
- // get list of supported image qualities based on camera index
- mIcmSupportedImageResolutions = mQualityPresets.imageQualityPresets(cameraIndex);
-
- CX_DEBUG(("ECAM Supported Qualities count = %d", mECamSupportedImageResolutions.count()));
- CX_DEBUG(("ICM Supported Qualities count = %d", mIcmSupportedImageResolutions.count()));
- }
-
- CX_DEBUG_EXIT_FUNCTION();
-}
-
-/*!
- * Return number of images captured (during current capture operation only).
- */
-int CxeStillCaptureControlSymbian::imageCount() const
-{
- return mImages.count();
-}
-
-/*!
- * Reset the image array.
- */
-void CxeStillCaptureControlSymbian::reset()
-{
- CX_DEBUG_ENTER_FUNCTION();
-
- qDeleteAll( mImages );
- mImages.clear();
-
- mNextSnapshotIndex = 0;
- mNextImageDataIndex = 0;
-
- CX_DEBUG_EXIT_FUNCTION();
-}
-
-/*!
- * This should cancel any ongoing image captures.
- */
-void CxeStillCaptureControlSymbian::cancelAll()
-{
- mImageDataQueue->clear();
- reset();
-}
-
-/*!
- * Sets the current capture mode: SingleImageCapture / BurstCapture.
- */
-void CxeStillCaptureControlSymbian::setMode( CaptureMode mode )
-{
- mMode = mode;
-}
-
-/*!
- * Returns the current capture mode.
- */
-CxeStillCaptureControl::CaptureMode CxeStillCaptureControlSymbian::mode() const
-{
- return mMode;
-}
-
-/*!
- * Operator [] - returns the indexed image from capture array.
- */
-CxeStillImage &CxeStillCaptureControlSymbian::operator[]( int index )
-{
- return *mImages[ index ];
-}
-
-/*!
- * Getter for image data queue.
- */
-CxeImageDataQueue &CxeStillCaptureControlSymbian::imageDataQueue()
-{
- return *mImageDataQueue;
-}
-
-/*!
- * Generates a filename and sets it in the still image object.
- * Skips the process if filename already copied exists in the object. This
- * behaviour is required in rare cases where image data arrives before snapshot.
- */
-CxeError::Id
-CxeStillCaptureControlSymbian::prepareFilename(CxeStillImageSymbian *stillImage)
-{
- OstTrace0(camerax_performance, CXESTILLCAPTURECONTROLSYMBIAN_PREPAREFILENAME_1, "msg: e_CX_PREPARE_FILENAME 1" );
-
- CxeError::Id err = CxeError::None;
- if (stillImage->filename().isEmpty()) {
- QString path;
-
- QString fileExt = mCurrentImageDetails.mImageFileExtension;
-
- if (mMode == SingleImageCapture) {
- err = mFilenameGenerator.generateFilename(path, fileExt);
- }
- else {
- err = mFilenameGenerator.nextImageFilenameInSequence(path, fileExt);
- }
-
- if (!err) {
- CX_DEBUG(( "Next image file path: %s", path.toAscii().constData() ));
- stillImage->setFilename(path);
- }
- else {
- //! @todo: Error ID can be returned by this function.
- // Also error can be detected from empty filename string.
- CX_DEBUG(("ERROR in filename generation. err:%d", err));
- }
- }
-
- OstTrace0(camerax_performance, CXESTILLCAPTURECONTROLSYMBIAN_PREPAREFILENAME_2, "msg: e_CX_PREPARE_FILENAME 0" );
- return err;
-}
-
-/*!
-* Helper method to set orientation data from the orientation sensor
-*/
-void CxeStillCaptureControlSymbian::setOrientation(QVariant sensorData)
-{
- CX_DEBUG_ENTER_FUNCTION();
-
- if (mCameraDevice.cameraOrientation() && state() == Ready) {
- Cxe::DeviceOrientation uiOrientation = qVariantValue<Cxe::DeviceOrientation >(sensorData);
- MCameraOrientation::TOrientation currentCameraOrientation = mCameraDevice.cameraOrientation()->Orientation();
- MCameraOrientation::TOrientation newCameraOrientation = CxeSettingsMapperSymbian::Map2CameraOrientation(uiOrientation);
-
- CX_DEBUG((("cameraindex: %d mMode: %d state(): %d mAfState: %d uiOrientation: %d "),mCameraDeviceControl.cameraIndex(),
- mMode, state(), mAfState, uiOrientation ));
- if (mCameraDeviceControl.cameraIndex() == Cxe::PrimaryCameraIndex &&
- mMode == SingleImageCapture &&
- uiOrientation != Cxe::OrientationNone &&
- currentCameraOrientation != newCameraOrientation &&
- (mAfState == CxeAutoFocusControl::Unknown ||
- mAfState == CxeAutoFocusControl::Canceling)
- ) {
- CX_DEBUG(("Setting Orientation to adaptation"));
- TRAP_IGNORE(mCameraDevice.cameraOrientation()->SetOrientationL(newCameraOrientation));
- }
- }
-
- CX_DEBUG_EXIT_FUNCTION();
-}
-
-/*!
- * Get the image container at given index or create a new one if needed.
- */
-CxeStillImageSymbian* CxeStillCaptureControlSymbian::getImageForIndex(int index)
-{
- CxeStillImageSymbian* image(NULL);
-
- if (mImages.count() <= index) {
- image = new CxeStillImageSymbian();
- mImages.append(image);
- } else {
- CX_DEBUG_ASSERT( mNextImageDataIndex >= 0 && index < mImages.count() );
- image = mImages[index];
- }
- return image;
-}
-
-
-/*!
-* Slot to handle Autofocus events.
-* \param newState Indicates current state of the auto focus
-* \param error Contains possible error code
-*/
-void CxeStillCaptureControlSymbian::handleAutofocusStateChanged(
- CxeAutoFocusControl::State newState,
- CxeError::Id error )
-{
- CX_DEBUG_ENTER_FUNCTION();
- Q_UNUSED(error);
- mAfState = newState;
- CxeAutoFocusControl::Mode mode = mAutoFocusControl.mode();
-
- // if focused and in correct mode, play sound
- if (newState == CxeAutoFocusControl::Ready &&
- !mAutoFocusControl.isFixedFocusMode(mode) &&
- mAutoFocusControl.isSoundEnabled()) {
- mAutoFocusSoundPlayer->play();
- }
- CX_DEBUG_EXIT_FUNCTION();
-}
-
-
-/*!
-* Slot that sets orientation data emited from orientation sensor
-*/
-void CxeStillCaptureControlSymbian::handleSensorEvent(
- CxeSensorEventHandler::SensorType type,
- QVariant data)
-{
- CX_DEBUG_ENTER_FUNCTION();
-
- if (type == CxeSensorEventHandler::OrientationSensor) {
- setOrientation(data);
- } else {
- // nothing to do
- }
-
- CX_DEBUG_EXIT_FUNCTION();
-}
-
-
-/*!
- Use ECam Use Case Hint Custom API to inform ECam of our intended use case
- before calling Reserve().
-*/
-void CxeStillCaptureControlSymbian::hintUseCase()
-{
- CX_DEBUG_ENTER_FUNCTION();
-
- // Make sure ECam knows we're doing still image capture so it can prepare
- // for the correct use case.
- if (mCameraDeviceControl.mode() == Cxe::ImageMode) {
- MCameraUseCaseHint *useCaseHintApi = mCameraDevice.useCaseHintApi();
- if (useCaseHintApi) {
- updateStillCaptureParameters();
- TRAP_IGNORE(useCaseHintApi->HintStillCaptureL(mCaptureFormat,
- mSizeIndex));
- }
- }
-
- CX_DEBUG_EXIT_FUNCTION();
-}
-
-/*!
-* Returns supported image qualities based on the camera index
-* (primary/secondary).
-*/
-QList<CxeImageDetails> CxeStillCaptureControlSymbian::supportedImageQualities()
-{
- // update remaining images counter
- updateRemainingImagesCounter();
-
- return mIcmSupportedImageResolutions;
-}
-
-
-/*!
-* Updates remaining images counter to all the image qualities supported by ICM
-* this should be done whenever storage location setting changes and when values are
-* read from ICM for the first time
-*/
-void CxeStillCaptureControlSymbian::updateRemainingImagesCounter()
-{
- CX_DEBUG_ENTER_FUNCTION();
-
- for( int index = 0; index < mIcmSupportedImageResolutions.count(); index++) {
- CxeImageDetails &qualityDetails = mIcmSupportedImageResolutions[index];
- qualityDetails.mPossibleImages = calculateRemainingImages(qualityDetails.mEstimatedSize);
- }
-
- CX_DEBUG_EXIT_FUNCTION();
-}
-
-
-/*!
-* Returns the number of images left for the current image quality setting
-*/
-int CxeStillCaptureControlSymbian::imagesLeft()
-{
- CX_DEBUG_ENTER_FUNCTION();
-
- if (mCurrentImageDetails.mPossibleImages == CxeImageDetails::UNKNOWN) {
- mCurrentImageDetails.mPossibleImages = calculateRemainingImages(mCurrentImageDetails.mEstimatedSize);
- }
-
- CX_DEBUG_EXIT_FUNCTION();
- return mCurrentImageDetails.mPossibleImages;
-}
-
-
-
-/*!
-* CxeStillCaptureControlSymbian::calculateRemainingImages
-@ param estimatedImagesize, the estimated size for image resolution
-@ returns number of images remaining
-*/
-int
-CxeStillCaptureControlSymbian::calculateRemainingImages(int estimatedImagesize)
-{
- CX_DEBUG_ENTER_FUNCTION();
-
- qint64 space = mDiskMonitor.free() - KMinRequiredSpaceImage;
- int images = std::max(qint64(0), space / estimatedImagesize);
-
- CX_DEBUG_EXIT_FUNCTION();
-
- return images;
-}
-
-// end of file