On 2/5/13 1:52 PM, Eigil Krogh Sorensen wrote: > > Den 05/02/13 21.03 skrev "Alexander Hansen" <[email protected]>: > >> On 2/5/13 10:35 AM, Eigil Krogh Sorensen wrote: >>> I don't know if this is the right place to post this, but anyway... >>> >>> I have this small octave function, that runs fine on my Windows Octave, >>> but crashes on my fink octave-atlas(3.6.3): >>> >>> " >>> function simpleImageExample >>> imageFile = "100-0039_IMG.JPG"; >>> info = imfinfo (imageFile) >>> I = imread (imageFile); >>> subplot(2,1,1); >>> imshow(I); >>> endfunction >>> " >>> >>> >>> If I run the function as shown above, octave crashes with this messages >>> " >>> warning: your version of GraphicsMagick limits images to 16 bits per >>> pixel >>> octave(18942,0x10b2db180) malloc: *** error for object 0x10b989570: >>> pointer bei >>> ng freed was not allocated >>> *** set a breakpoint in malloc_error_break to debug >>> panic: Abort trap: 6 -- stopping myself... >>> attempting to save variables to `octave-core'... >>> save to `octave-core' complete >>> " >>> >>> >>> The problem occurs in "imfinfo" because if I remove the line >>> "info = imfinfo (imageFile)" >>> >>> then I only get the warning >>> " >>>>>> simpleImageExample >>> warning: your version of GraphicsMagick limits images to 16 bits per >>> pixel >>>>>> >>> " >>> >>> and the picture looks OK. >>> >>> >>> --Eigil >>> >>> >>> >> >> I can confirm this behavior. >> >> When I tried a local rebuild of graphicsmagick using >> "--with-quantum-depth=32" I still got a "warning: your version of >> GraphicsMagick limits images to 16 bits per pixel" message from Octave. >> >> The malloc() error goes away, but then the behavior gets really strange. >> I made up identical test.jpg and test.jpeg files, so one would think >> the error messages, if any, would be the same, but instead I get >> (10.8/x86_64): >> >> octave:1> imfinfo ("test.jpeg") >> warning: your version of GraphicsMagick limits images to 16 bits per pixel >> error: Magick++ exception: Magick: Unable to open file (g) reported by >> magick/constitute.c:1533 (ReadImage) >> error: called from: >> error: /sw/share/octave/3.6.3/m/image/imfinfo.m at line 147, column 10 >> octave:1> imfinfo ("test.jpg") >> error: Magick++ exception: Magick: No decode delegate for this image >> format () reported by magick/constitute.c:1522 (ReadImage) >> error: called from: >> error: /sw/share/octave/3.6.3/m/image/imfinfo.m at line 147, column 10 >> >> When I rebuilt graphicsmagick using "--with-quantum-depth=8" the results >> are still wrong, but at least more consistent: >> >> octave:1> imfinfo ("test.jpeg") >> warning: your version of GraphicsMagick limits images to 16 bits per pixel >> error: Magick++ exception: Magick: No decode delegate for this image >> format () reported by magick/constitute.c:1522 (ReadImage) >> error: called from: >> error: /sw/share/octave/3.6.3/m/image/imfinfo.m at line 147, column 10 >> octave:1> imfinfo ("test.jpg") >> error: Magick++ exception: Magick: No decode delegate for this image >> format () reported by magick/constitute.c:1522 (ReadImage) >> error: called from: >> error: /sw/share/octave/3.6.3/m/image/imfinfo.m at line 147, column 10 >> >> >> >> On 10.5/powerpc I get malloc() error messages but the image information >> shows up (same test.jpg and test.jpeg): >> >> octave:2> imfinfo ("test.jpeg") >> octave(47725) malloc: *** error for object 0xa08bf708: Non-aligned >> pointer being freed >> *** set a breakpoint in malloc_error_break to debug >> octave(47725) malloc: *** error for object 0xa08bf708: Non-aligned >> pointer being freed >> *** set a breakpoint in malloc_error_break to debug >> ans = >> >> scalar structure containing the fields: >> >> Filename = /Users/hansen/test.jpeg >> FileModDate = 5-Feb-2013 12:21:54 >> FileSize = 26699 >> Height = 241 >> Width = 241 >> BitDepth = 8 >> Format = JPEG >> LongFormat = Joint Photographic Experts Group JFIF format >> XResolution = 0 >> YResolution = 0 >> TotalColors = 68 >> TileName = >> AnimationDelay = 0 >> AnimationIterations = 0 >> ByteOrder = undefined >> Gamma = 0 >> Matte = 0 >> ModulusDepth = 8 >> Quality = 75 >> QuantizeColors = 256 >> ResolutionUnits = undefined >> ColorType = grayscale >> View = >> >> octave:3> imfinfo ("test.jpg") >> octave(47725) malloc: *** error for object 0xa08bf708: Non-aligned >> pointer being freed >> *** set a breakpoint in malloc_error_break to debug >> octave(47725) malloc: *** error for object 0xa08bf708: Non-aligned >> pointer being freed >> *** set a breakpoint in malloc_error_break to debug >> ans = >> >> scalar structure containing the fields: >> >> Filename = /Users/hansen/test.jpg >> FileModDate = 5-Feb-2013 12:21:54 >> FileSize = 26699 >> Height = 241 >> Width = 241 >> BitDepth = 8 >> Format = JPEG >> LongFormat = Joint Photographic Experts Group JFIF format >> XResolution = 0 >> YResolution = 0 >> TotalColors = 68 >> TileName = >> AnimationDelay = 0 >> AnimationIterations = 0 >> ByteOrder = undefined >> Gamma = 0 >> Matte = 0 >> ModulusDepth = 8 >> Quality = 75 >> QuantizeColors = 256 >> ResolutionUnits = undefined >> ColorType = grayscale >> View = >> >> I'll investigate this further. >> >> -- >> Alexander Hansen, Ph.D. >> Fink User Liaison >> My package updates: http://finkakh.wordpress.com/ > > FYI: > Did try to rebuild graphicsMagick (and octave-atlas had to be build also) > to 32 bits. On my system that din not make the performance noticeably > worse. > > Now I'm back on latest fink versions of GraphicsMagick and octave-atlas > > > --Eigil > > > > > > > > >
I wouldn't think that you'd need to rebuild octave-atlas. It links to graphicsmagick dynamically rather than statically. -- Alexander Hansen, Ph.D. Fink User Liaison My package updates: http://finkakh.wordpress.com/ ------------------------------------------------------------------------------ Free Next-Gen Firewall Hardware Offer Buy your Sophos next-gen firewall before the end March 2013 and get the hardware for free! Learn more. http://p.sf.net/sfu/sophos-d2d-feb _______________________________________________ Fink-users mailing list [email protected] List archive: http://news.gmane.org/gmane.os.macosx.fink.user Subscription management: https://lists.sourceforge.net/lists/listinfo/fink-users
