loadgen/src/loadgen_photocapture.cpp
changeset 0 d6fe6244b863
child 11 454d022d514b
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/loadgen/src/loadgen_photocapture.cpp	Tue Feb 02 00:17:27 2010 +0200
@@ -0,0 +1,389 @@
+/*
+* Copyright (c) 2009 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 FILES
+#include "loadgen_photocapture.h"
+#include "loadgen_model.h"
+#include "loadgen.hrh"
+#include "loadgen_traces.h"
+#include <loadgen.rsg>
+#include <e32hal.h>
+#include <u32hal.h>
+#include <e32math.h>
+#include <EIKENV.H>
+
+_LIT(KThreadName, "PhotoCapture %d");
+
+const TInt KDefaultStart = 50;
+const TInt KDefaultPeriod = 5000000;
+
+//TInt CPhotoCapture::iImagesReady = 0;
+    
+// ===================================== MEMBER FUNCTIONS =====================================
+
+CPhotoCapture* CPhotoCapture::NewL(TPhotoCaptureAttributes& aAttributes, TInt aReferenceNumber)
+    {
+    CPhotoCapture* self = new(ELeave) CPhotoCapture(aAttributes, aReferenceNumber);
+    CleanupStack::PushL(self);
+    self->ConstructL();
+    CleanupStack::Pop(self);
+    return self;    
+    }
+
+// --------------------------------------------------------------------------------------------
+
+CPhotoCapture::~CPhotoCapture()
+    {    
+    Close();
+    }
+
+// --------------------------------------------------------------------------------------------
+
+CPhotoCapture::CPhotoCapture(TPhotoCaptureAttributes& aAttributes, TInt aReferenceNumber) : iAttributes(aAttributes)
+    {    
+    iAttributes.iId = aReferenceNumber;    
+    }
+
+// --------------------------------------------------------------------------------------------
+
+void CPhotoCapture::ConstructL()
+    {    
+    CLoadBase::ConstructL();
+    
+    iType = ELoadGenCmdNewLoadPhotoCaptures;
+    
+    TBuf<64> threadName;
+    threadName.Format(KThreadName, iAttributes.iId);
+    
+    // create a thread
+    User::LeaveIfError(iThread.Create(threadName, ThreadFunction, KDefaultStackSize*2, KMinHeapSize, 1024*KMinHeapSize, (TAny*) &iAttributes ));
+    
+    // set priority of the thread
+    SetPriority();
+    }
+
+// --------------------------------------------------------------------------------------------
+
+TInt CPhotoCapture::ThreadFunction(TAny* aThreadArg)
+    {
+    TInt err = KErrNone;
+    
+    CTrapCleanup* pC = CTrapCleanup::New();
+    CActiveScheduler* pS = new CActiveScheduler;
+    CActiveScheduler::Install(pS);
+
+    // start generating load, pass pointer to arguments
+    GenerateLoad(*((TPhotoCaptureAttributes*) aThreadArg));
+
+    delete pS;
+    delete pC;
+    
+    return err;
+    }
+
+// --------------------------------------------------------------------------------------------
+
+void CPhotoCapture::GenerateLoad(TPhotoCaptureAttributes& aAttributes)
+    {    
+    CCameraManager* cameraManager = 0;
+    TRAPD(err, cameraManager = CCameraManager::NewL(aAttributes));
+    if (err == KErrNone) CActiveScheduler::Start();
+    delete cameraManager;    
+    }
+
+// --------------------------------------------------------------------------------------------
+
+void CPhotoCapture::Resume()
+    {    
+    CLoadBase::Resume();    
+    iThread.Resume();
+    }
+
+// --------------------------------------------------------------------------------------------
+
+void CPhotoCapture::Suspend()
+    {    
+    CLoadBase::Suspend();    
+    iThread.Suspend();
+    }
+
+// --------------------------------------------------------------------------------------------
+
+void CPhotoCapture::SetPriority()
+    {    
+    CLoadBase::SetPriority();    
+    iThread.SetPriority(CLoadGenModel::SettingItemToThreadPriority(iAttributes.iPriority));
+    }
+    
+// --------------------------------------------------------------------------------------------
+
+void CPhotoCapture::Close()
+    {    
+    CLoadBase::Close();
+
+    // kill the thread immediately
+    iThread.Kill(0);   
+
+    iThread.Close();
+    }
+    
+// --------------------------------------------------------------------------------------------
+
+TPtrC CPhotoCapture::Description()
+    {    
+    TBuf<256> buf;
+    TBuf<16> prioBuf;
+    CLoadGenModel::SettingItemToThreadDescription(iAttributes.iPriority, prioBuf);
+        
+    _LIT(KPhotoCaptureEntry, "[%d] PhotoCapture camera=%d prio=%S idle=%dms random=%d%%");
+    buf.Format(KPhotoCaptureEntry, iAttributes.iId, iAttributes.iCamera, &prioBuf, iAttributes.iIdle, iAttributes.iRandomVariance);
+       
+    return TPtrC(buf);
+    }               
+
+// --------------------------------------------------------------------------------------------
+
+
+// --------------------------------------------------------------------------------------------
+CCameraManager* CCameraManager::NewL(TPhotoCaptureAttributes& aAttrs)
+    {
+    CCameraManager* self = new (ELeave) CCameraManager(aAttrs);
+    CleanupStack::PushL(self);
+    self->ConstructL();
+    CleanupStack::Pop(self);
+    return self;
+    }
+ 
+// --------------------------------------------------------------------------------------------
+CCameraManager::~CCameraManager()
+    {    
+    delete iCamera;
+    if (iPeriodicTimer)
+        {
+        iPeriodicTimer->Cancel();
+        delete iPeriodicTimer;
+        }
+    }
+ 
+// --------------------------------------------------------------------------------------------
+CCameraManager::CCameraManager(TPhotoCaptureAttributes& aAttrs) 
+: 
+CActive(EPriorityStandard),
+iAttributes(aAttrs)
+    {        
+    iState = ENotReady;
+    iNumOfPics = 0;
+    }
+ 
+// --------------------------------------------------------------------------------------------
+void CCameraManager::ConstructL()
+    {   
+    CActiveScheduler::Add(this);    
+    // set the status as pending
+    iStatus = KRequestPending;
+    SetActive();
+        
+    // set the death status pointer point to the request status of this ao
+    iAttributes.iDeathStatus = &iStatus;
+    
+    // start timer    
+    iPeriodicTimer = CPeriodic::NewL(CActive::EPriorityStandard);
+    iPeriodicTimer->Start(KDefaultStart, KDefaultPeriod, TCallBack(PeriodicTimerCallBack, this));
+    }
+
+// --------------------------------------------------------------------------------------------
+void CCameraManager::DoCancel()
+    {    
+    }
+
+// --------------------------------------------------------------------------------------------
+void CCameraManager::RunL()
+    {    
+    // request status has completed by the main thread meaning that we need to stop now
+    CActiveScheduler::Stop();
+    }
+ 
+// --------------------------------------------------------------------------------------------
+void CCameraManager::ReserveCameraL()
+    {
+    LOGSTRING2("LoadGen: CCameraManager::ReserveCameraL() - Using Camera %d", iAttributes.iCamera);
+    if( iCamera )
+        {
+        iCamera->Release();
+        }
+    delete iCamera;
+    iCamera = 0;
+    TRAPD( err, iCamera = CCamera::NewL(*this, iAttributes.iCamera));
+    iCurrentCamera = iAttributes.iCamera;
+    if(err != KErrNone)
+        {
+        LOGSTRING2("LoadGen: CCamera::NewL leaves with error: %d", err);
+        User::Leave(err);
+        }
+    iCamera->CameraInfo(iCameraInfo);
+    iCamera->Reserve();    
+    }
+ 
+// --------------------------------------------------------------------------------------------
+void CCameraManager::ReserveComplete(TInt aError)
+    {
+    if( aError != KErrNone )
+        LOGSTRING2("LoadGen: CCameraManager::ReserveComplete() - Error: %d", aError);
+    
+    if( aError == KErrNone )
+        {
+        iState = ECameraReserved;
+        iCamera->PowerOn();
+        }
+    }
+ 
+// --------------------------------------------------------------------------------------------
+void CCameraManager::PowerOnComplete(TInt aError)
+    {
+    if( aError != KErrNone )
+        {
+        LOGSTRING2("LoadGen: CCameraManager::PowerOnComplete() - Error: %d", aError);
+        return;
+        }
+
+    // Define image format, try JPEG images first:
+    CCamera::TFormat format = CCamera::EFormatExif;
+
+    if(iCameraInfo.iImageFormatsSupported & CCamera::EFormatExif)
+        {
+        LOGSTRING("LoadGen: CCameraManager::PowerOnComplete() - EXIF JPEG supported");
+        format = CCamera::EFormatExif;
+        }
+    else if( iCameraInfo.iImageFormatsSupported & CCamera::EFormatJpeg )
+        {
+        LOGSTRING("LoadGen: CCameraManager::PowerOnComplete() - JFIF JPEG supported");
+        format = CCamera::EFormatJpeg;
+        }
+    else if( iCameraInfo.iImageFormatsSupported & CCamera::EFormatFbsBitmapColor4K )
+        {
+        LOGSTRING("LoadGen: CCameraManager::PowerOnComplete() - Bitmap 4K Color supported");
+        format = CCamera::EFormatFbsBitmapColor4K;
+        }
+    else if( iCameraInfo.iImageFormatsSupported & CCamera::EFormatFbsBitmapColor64K )
+        {
+        LOGSTRING("LoadGen: CCameraManager::PowerOnComplete() - Bitmap 64K Color supported");
+        format = CCamera::EFormatFbsBitmapColor64K;
+        }
+    else if( iCameraInfo.iImageFormatsSupported & CCamera::EFormatFbsBitmapColor16M )
+        {
+        LOGSTRING("LoadGen: CCameraManager::PowerOnComplete() - Bitmap 16M Color supported");
+        format = CCamera::EFormatFbsBitmapColor16M;
+        }
+    else
+        {
+        LOGSTRING2("LoadGen: CCameraManager::PowerOnComplete() - JPEGs not supported, trying \"User defined\" (Supported formats: %d)", iCameraInfo.iImageFormatsSupported);
+        format = CCamera::EFormatUserDefined;
+        }
+    const TInt KImageSizeIndex = 0;  // Largest image size
+    TRAPD( err, iCamera->PrepareImageCaptureL(format, KImageSizeIndex));
+    if( err != KErrNone )
+        {
+        LOGSTRING2("LoadGen: CCameraManager::PowerOnComplete() - Error while preparing camera: %d", err);        
+        }
+    // Camera ready:
+    iState = EIdle;
+    // Take photo:
+    TRAP(err, CapturePhotoL());
+    if( err != KErrNone )
+        {
+        LOGSTRING2("LoadGen: CCameraManager::PowerOnComplete() - Photo capture error: %d", err);
+        }
+    }
+ 
+// --------------------------------------------------------------------------------------------
+void CCameraManager::ViewFinderFrameReady(CFbsBitmap& /*aFrame*/)
+    {
+    }
+
+// --------------------------------------------------------------------------------------------
+void CCameraManager::ImageReady(CFbsBitmap* aBitmap, HBufC8* aData, TInt aError)
+    {    
+    if( aError != KErrNone )
+        {
+        LOGSTRING2("LoadGen: CCameraManager::ImageReady() - Error: %d", aError);
+        }    
+    else
+        {
+        iNumOfPics++;    
+        LOGSTRING2("LoadGen: CCameraManager::ImageReady() - Images successfully captured: %d", iNumOfPics);
+        }
+    delete aBitmap;
+    delete aData;
+    iState = EIdle;
+    }
+ 
+// --------------------------------------------------------------------------------------------
+void CCameraManager::FrameBufferReady(MFrameBuffer* /*aFrameBuffer*/, TInt aError)
+    {
+    if( aError != KErrNone )
+        LOGSTRING2("LoadGen: CCameraManager::FrameBufferReady() - Error: %d", aError);
+    }
+ 
+// --------------------------------------------------------------------------------------------
+void CCameraManager::CapturePhotoL()
+    {    
+    // Camera Manager must be in idle state when taking a photo
+    if( iState == ENotReady )
+        {
+        // Not ready, camera must be reserved:
+        ReserveCameraL();
+        }
+    else if (iState == EIdle)
+        {
+        if( iCurrentCamera != iAttributes.iCamera )
+            {
+            LOGSTRING3("LoadGen: CCameraManager::CapturePhotoL() - Switching from Camera %d to Camera %d", iCurrentCamera, iAttributes.iCamera);
+            ReserveCameraL();
+            }
+        else
+            {
+            iState = ECapture;
+            if( iCameraInfo.iFlashModesSupported & CCamera::EFlashForced)
+                {
+                iCamera->SetFlashL(CCamera::EFlashForced);
+                }
+            iCamera->CaptureImage();
+            iPeriodicTimer->Start( CLoadGenModel::MilliSecondsToMicroSeconds( iAttributes.iIdle,
+                iAttributes.iRandomVariance ), KDefaultPeriod, 
+                TCallBack( PeriodicTimerCallBack, this ) );
+            }
+        }
+    else
+        {
+        iPeriodicTimer->Start( CLoadGenModel::MilliSecondsToMicroSeconds( iAttributes.iIdle,
+                                    iAttributes.iRandomVariance ), KDefaultPeriod, 
+                                    TCallBack( PeriodicTimerCallBack, this ) );
+        }
+    }
+
+// --------------------------------------------------------------------------------------------
+
+TInt CCameraManager::PeriodicTimerCallBack(TAny* aAny)
+    {
+    CCameraManager* self = static_cast<CCameraManager*>( aAny );
+    self->iPeriodicTimer->Cancel();
+    TRAP_IGNORE(self->CapturePhotoL());   
+    return KErrNone;
+    }
+
+// End of File