[KPhotoAlbum] Load-performance branch

[Robert Krawitz]

On Wed, 6 Jun 2018 15:17:08 +0200, Angel Lopez wrote:
> Dear Robert,
>
> I have been testing your brach.
> First launch is indeed much faster (my computer is not very fast anyway).
> Displaying of thumbnails takes longer (more than 10 seconds per image) . I
> copy here the output in the console:

This is when displaying the thumbnails (the small images that are
displayed maybe 100 per screen)?  Each thumbnail takes 10 seconds to display?

> ---------------------------------------------------------
>
> libkdcraw: LibRaw progress:  Reading metadata  pass  1  of  2
> libkdcraw: LibRaw progress:  Reading RAW data  pass  0  of  2
> libkdcraw: LibRaw progress:  Reading RAW data  pass  1  of  2
> libkdcraw: Disabling LibRaw highlights adjustments
> libkdcraw: LibRaw progress:  Scaling colors  pass  0  of  2
> libkdcraw: LibRaw progress:  Scaling colors  pass  1  of  2
> libkdcraw: LibRaw progress:  Pre-interpolating  pass  0  of  2
> libkdcraw: LibRaw progress:  Pre-interpolating  pass  1  of  2
> libkdcraw: LibRaw progress:  Interpolating  pass  0  of  3
> libkdcraw: LibRaw progress:  Interpolating  pass  1  of  3
> libkdcraw: LibRaw progress:  Interpolating  pass  2  of  3
> libkdcraw: LibRaw progress:  Converting to RGB  pass  0  of  2
> libkdcraw: LibRaw progress:  Converting to RGB  pass  1  of  2
> libkdcraw: LibRaw: data info: width= 5496  height= 3670  rgbmax= 255
> libkdcraw: "/datos/Fotos/2018-06-01_Tesis Maria Cristina
> Momblona/2018-06-01_012.CR2"
> libkdcraw:
> -- RAW DECODING SETTINGS --------------------------------
> -- autoBrightness:          true
> -- sixteenBitsImage:        false
> -- brightness:              1
> -- RAWQuality:              0
> -- inputColorSpace:         0
> -- outputColorSpace:        1
> -- RGBInterpolate4Colors:   false
> -- DontStretchPixels:       false
> -- unclipColors:            0
> -- whiteBalance:            1
> -- customWhiteBalance:      6500
> -- customWhiteBalanceGreen: 1
> -- halfSizeColorImage:      false
> -- enableBlackPoint:        false
> -- blackPoint:              0
> -- enableWhitePoint:        false
> -- whitePoint:              0
> -- NoiseReductionType:      0
> -- NoiseReductionThreshold: 0
> -- enableCACorrection:      false
> -- caMultiplier:            0, 0
> -- medianFilterPasses:      0
> -- inputProfile:            ""
> -- outputProfile:           ""
> -- deadPixelMap:            ""
> -- whiteBalanceArea:        QRect(0,0 0x0)
> -- dcbIterations:           -1
> -- dcbEnhanceFl:            false
> -- eeciRefine:              false
> -- esMedPasses:             0
> -- NRChrominanceThreshold:  0
> -- expoCorrection:          false
> -- expoCorrectionShift:     1
> -- expoCorrectionHighlight: 0
> ---------------------------------------------------------
>
> libkdcraw: LibRaw progress:  Reading metadata  pass  1  of  2
> libkdcraw: LibRaw progress:  Reading RAW data  pass  0  of  2
> libkdcraw: LibRaw progress:  Reading RAW data  pass  1  of  2
> libkdcraw: Disabling LibRaw highlights adjustments
> libkdcraw: LibRaw progress:  Scaling colors  pass  0  of  2
> libkdcraw: LibRaw progress:  Scaling colors  pass  1  of  2
> libkdcraw: LibRaw progress:  Pre-interpolating  pass  0  of  2
> libkdcraw: LibRaw progress:  Pre-interpolating  pass  1  of  2
> libkdcraw: LibRaw progress:  Interpolating  pass  0  of  3
> libkdcraw: LibRaw progress:  Interpolating  pass  1  of  3
> libkdcraw: LibRaw progress:  Interpolating  pass  2  of  3
> libkdcraw: LibRaw progress:  Converting to RGB  pass  0  of  2
> libkdcraw: LibRaw progress:  Converting to RGB  pass  1  of  2
> libkdcraw: LibRaw: data info: width= 5496  height= 3670  rgbmax= 255
> libkdcraw: "/datos/Fotos/2018-06-01_Tesis Maria Cristina
> Momblona/2018-06-01_019.CR2"
> libkdcraw:
> -- RAW DECODING SETTINGS --------------------------------
> -- autoBrightness:          true
> -- sixteenBitsImage:        false
> -- brightness:              1
> -- RAWQuality:              0
> -- inputColorSpace:         0
> -- outputColorSpace:        1
> -- RGBInterpolate4Colors:   false
> -- DontStretchPixels:       false
> -- unclipColors:            0
> -- whiteBalance:            1
> -- customWhiteBalance:      6500
> -- customWhiteBalanceGreen: 1
> -- halfSizeColorImage:      false
> -- enableBlackPoint:        false
> -- blackPoint:              0
> -- enableWhitePoint:        false
> -- whitePoint:              0
> -- NoiseReductionType:      0
> -- NoiseReductionThreshold: 0
> -- enableCACorrection:      false
> -- caMultiplier:            0, 0
> -- medianFilterPasses:      0
> -- inputProfile:            ""
> -- outputProfile:           ""
> -- deadPixelMap:            ""
> -- whiteBalanceArea:        QRect(0,0 0x0)
> -- dcbIterations:           -1
> -- dcbEnhanceFl:            false
> -- eeciRefine:              false
> -- esMedPasses:             0
> -- NRChrominanceThreshold:  0
> -- expoCorrection:          false
> -- expoCorrectionShift:     1
> -- expoCorrectionHighlight: 0
> ---------------------------------------------------------
>
> libkdcraw: LibRaw progress:  Reading metadata  pass  1  of  2
> libkdcraw: LibRaw progress:  Reading RAW data  pass  0  of  2
> Aborting aboutToFinish handling.
> libkdcraw: LibRaw progress:  Reading RAW data  pass  1  of  2
> libkdcraw: Disabling LibRaw highlights adjustments
> libkdcraw: LibRaw progress:  Scaling colors  pass  0  of  2
> libkdcraw: LibRaw progress:  Scaling colors  pass  1  of  2
> libkdcraw: LibRaw progress:  Pre-interpolating  pass  0  of  2
> libkdcraw: LibRaw progress:  Pre-interpolating  pass  1  of  2
> libkdcraw: LibRaw progress:  Interpolating  pass  0  of  3
> libkdcraw: LibRaw progress:  Interpolating  pass  1  of  3
> libkdcraw: LibRaw progress:  Interpolating  pass  2  of  3
> libkdcraw: LibRaw progress:  Converting to RGB  pass  0  of  2
> libkdcraw: LibRaw progress:  Converting to RGB  pass  1  of  2
> libkdcraw: LibRaw: data info: width= 5496  height= 3670  rgbmax= 255
>
> Hope this helps.
> Or could be just something wrong with my setup and not with your code, of
> course !!

-- 
Robert Krawitz                                     <rlk at alum.mit.edu>

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