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By: wikisky
I'm trying to cut a large jpeg image on tiles, but getting "out of memory"
exception.
I tried -maxmemory option in different variations, it didn't help. I'm using
jpegtran for some time, it can handle pretty large images (more than 10,000
x 10,000 pixels), but I'm stuck with 29,000 x 14,000 pixels image.
Here's the log I'm getting with -debug option:
--------------------------------------------------------------------------------
-------------------------
C:\TEMP>c:\temp\jpegtran.exe -v -maxmemory 500M -crop 512x512+12800+8704
/temp/persist/images/000904.jpg /temp/test_out.jpg
Independent JPEG Group's JPEGTRAN, version 6b 27-Mar-1998
Copyright (C) 1998, Thomas G. Lane
Start of Image
JFIF APP0 marker: version 1.02, density 270x270 1
Miscellaneous marker 0xe1, length 5059
Miscellaneous marker 0xed, length 6904
Miscellaneous marker 0xe1, length 16834
Miscellaneous marker 0xe2, length 574
Adobe APP14 marker: version 100, flags 0x4000 0x0000, transform 1
Define Quantization Table 0 precision 0
Define Quantization Table 1 precision 0
Start Of Frame 0xc0: width=29566, height=14321, components=3
Component 1: 1hx1v q=0
Component 2: 1hx1v q=1
Component 3: 1hx1v q=1
Define Restart Interval 3696
Define Huffman Table 0x00
Define Huffman Table 0x01
Define Huffman Table 0x10
Define Huffman Table 0x11
Start Of Scan: 3 components
Component 1: dc=0 ac=0
Component 2: dc=1 ac=1
Component 3: dc=1 ac=1
Ss=0, Se=63, Ah=0, Al=0
Insufficient memory (case 4)
C:\TEMP>
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-------------------------
The log produced with different from GnuWin32 build, but messages and result
is the same. I just didn't know how to create log file out of window error
messages
popping out from GnuWin32's version.
Thanks
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