Benjamin Lindner wrote:
>> Hello Benjamin
>>
>> I have executed
>>
>> img=imread('test.jpg')
>>
>> on the octave-3.2.3/mingw32.
>>
>> The result is
>>
>> octave:2> img=imread('test.jpg');
>> error: imread: invalid image file: Magick++ exception: Magick: Corrupt
>> image
>> (C:\usr\tatsu\test\testOctave\test.jpg) rep
>> orted by
>> D:/build/octave32/3.2.x_gcc-4.4.0/forge/graphicsmagick/GraphicsMagick-1.3.7/coders/jpeg.c:1124
>> (ReadJPEGImage)
>> error: called from:
>> error:
>> C:\Programs\Octave\3.2.3_gcc4.4.0\share\octave\3.2.3\m\image\imread.m at
>> line 74, column 7
>> octave:2> img=imread('test.png');
>> octave:3>
>>
>> The above tells that imread for png files is no problem.
>>
>> I have tested on my own build octave-3.2.3 / mingw and octave 3.2.3 on
>> cygwin by Marco.
>>
>> img=imread('test.jpg');
>>
>> can be executed without errors.
>>
>> I attached 'test.jpg' used for test to this post.
>
> I see this too. Also jpgread() from the image toolbox fails.
>
> I suspect that there is a problem with libjpeg v7, because jpegtran.exe fails
> to read your picture when linked with v7, but succeeds when linked with v6b.
>
> I'll try and rebuild graphicsmagick with jpeg v6b and see if this error is
> gone.
It's not, but I traced the error to my buggy patch of jpeg.
I don't really understand it, because it is actually the same, just
expressed differently. whatever. It seems to work now.
It's fixed in svn.
I'll see if I can fix up an additional test in __magick_read__.cc for
jpg reading (along the already present png one).
thanks for reporting it.
benjamin
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