[softwarelist] Re: Odd DPlngScan error
- From: Chris Johnson <chris@xxxxxxxxxxxxxxxxxxxxx>
- To: <davidpilling@xxxxxxxxxxxxx>
- Date: Sat, 24 Dec 2016 11:31:07 +0000 (GMT)
In article <55f35e4eb6dave@xxxxxxxxxxxxx>,
Dave Symes <dave@xxxxxxxxxxxxx> wrote:
Chris, It's here.
http://www.triffid.co.uk/dstuff/Sample.zip
Ok Dave. Have it now and have the same error as you.
The jpeg is a 'progressive' one. Passing it through TranJPEG to
convert it to 'normal', it then loads happily into DPScan 1.27/1.28.
I obviously need to look at the IJPG library to see whether I can do
something about it. It looks like the lib may be decoding the whole
file at once, and using a lot of malloc'd memory, which is running up
against the base of the flex memory managed by David's own memory
allocation routines. There may be two possibilities - convert the
IJPG lib to use David's own salloc() memory management, which would
automatically extend the wimp slot as required, or find some user
config settings in the lib to modify the current behaviour when
recompiled.
Not sure I can do much for the next few days. Already have visitors
for a few days from David's neck of the woods, and I am about to go
to the station to pick up daughter who is coming through from Glasgow
for a few days.
--
Chris Johnson
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