Problem with CamApp on Nokia N70

[Darth1701]

Hello,

I used the CamApp example, changed it according the guide in the forum to make it work with the old n6600 camera plugin. Then I made some handmade modification (path and imagenames, a timer). It worked without a flaw.

Now I installed the same program on the N70. It worked without any error messages but the image quality is lower (not by much but visibly) than the quality with the built-in camera app or even with python. I don't know what causes this.

Anyone willing to help me to send the code and look over it?

[symbianyucca]

did you make your application to adapt different screen resolutions, if not, then you should try it, might improve the look & feel considerably.

yucca

[Darth1701]

Hi yucca,

thanks for your answer. I already changed the resolution to max but the image was still not very good. Then I finally found the error!

The code in the original CamApp is a bit faulty about the jpeg compression settings. I changed the code to this:

void CCameraCaptureEngine::SaveImageL(const TFileName* aNewFilePathAndName, RFs* aFs)
{
if ( !iEncoder )
{
if ( aFs && aNewFilePathAndName )
{
iEncoder = CImageEncoder::FileNewL(*aFs, *aNewFilePathAndName, KMimeType);
}
else
{
User::Leave( KErrArgument );
}
}

// If it is not busy, start to do the conversion.
if ( !IsActive() )
{

TJpegImageData* imageData = new (ELeave) TJpegImageData;

// Set some format specific data
imageData->iSampleScheme = TJpegImageData::EColor422;
imageData->iQualityFactor = 85;

CFrameImageData* iFrameImageData = CFrameImageData::NewL();

// frameData - ownership passed to iFrameImageData after AppendImageData
User::LeaveIfError(iFrameImageData->AppendImageData(imageData));

iEncoder->Convert( &iStatus, *iBitmapSave, iFrameImageData );
iState = EConvertingImage;

delete iFrameImageData;

// Update the status pane to "Saving image..."
_LIT( KSavingImage, "Saving image..." );
iController.ShowConversionStatusL( KSavingImage );
SetActive();
}
}

Maybe someone else will find this useful. The default compression factor of the N70 seems a bit low it seems, didn't notice any difference on the N6600.

Thanks again and I would like to say this board is always really helpful for a programmer novice like me.