Hi,
Thanks for explanation Sandro.
I checked your demo and even other demos and I can say they are
interesting, I wish I had the source specially JPEG demo so I can check
your results.
Regards,
Ara
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Hello Ara,
On 18 April 2016 at 16:02, Aradeonas wrote:
> Thanks.
> I will test it.
>
Is there any particular reason that you didnt use official release?
>
I find convenient to use prebuilt binaries from the mingw-w64/msys2
toolchain, especially when I have to use several libraries within the sa
Thanks.
I will test it.
Is there any particular reason that you didnt use official release?
Why there is much difference? It seems I miss something!
Regards,
Ara
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Hello Ara,
I'm using mingw-w64/msys2 binaries:
http://repo.msys2.org/mingw/i686/mingw-w64-i686-libjpeg-turbo-1.4.2-2-any.pkg.tar.xz
http://repo.msys2.org/mingw/x86_64/mingw-w64-x86_64-libjpeg-turbo-1.4.2-2-any.pkg.tar.xz
look at turbojpeg.h and libturbojpeg-0.dll included.
Best regards.
Sandro
Thank you very much for sharing. Clean.
I looked into it and its questioning for me how it works?
Implementations like I mentioned is not like it and documentations and
even dlls in here
http://www.libjpeg-turbo.org/Documentation/OfficialBinaries are not
like that.
Can you explain more?
Regards,
Hello Marc,
images are preloaded into separated memory streams, the core part of the
comparison is performed by a separated thread:
procedure TMyThread.Execute;
var
jpegDecompressor: tjhandle;
jpegWidth: cint;
jpegHeight: cint;
jpegSubsamp: cint;
begin
while (not Terminated) do
begin
Sandro Cumerlato wrote:
Hello Ara, my tests with libjpeg-/turbo/are even more promising.
The following comparison between LCL and libjpeg-/turbo/ was made
decompressing for about one minute a sequence of several 4000x3000 JPEG
pictures. The results are expressed in "pictures per second" and prov
Very interesting! Thanks for sharing, maybe I was wrong in
implementation. Do you used any different header or implementation?
Can you share it?
@All : Is there a way to use libjpeg-*turbo *with Lazarus *without*
using an external library like DLL?
Regards,
Ara
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Hello Ara, my tests with libjpeg-*turbo* are even more promising.
The following comparison between LCL and libjpeg-*turbo* was made
decompressing for about one minute a sequence of several 4000x3000 JPEG
pictures. The results are expressed in "pictures per second" and prove that
libjpeg-*turbo* is
Thanks but I need libjpeg using because of speed and fpimage with
UsePalette := False is not fast enough.
My tests with libjpeg.dll and this header[1] id much faster than
fpimage (half the time) so I wanted to have a native way using pasjpeg
instead of a dll.
Regards,
Ara
Links:
1. http:/
On Thu, 31 Mar 2016 09:49:44 +0200 (CEST)
Michael Van Canneyt wrote:
>
>
> On Wed, 30 Mar 2016, Aradeonas wrote:
>
> > Hi,
> >
> > I want use libjpeg and I found pasjpeg package in fpc that contains
> > jpeglib.pas unit
Unit jpeglib does not use libjpeg.
> > but I coudnt find a working dem
On Wed, 30 Mar 2016, Aradeonas wrote:
Hi,
I want use libjpeg and I found pasjpeg package in fpc that contains
jpeglib.pas unit but I coudnt find a working demo to know how load a
jpeg file and show it.
Can anyone point me to a better direction?
pasjpeg is very low-level. Why not use tfpimag
Hi,
I want use libjpeg and I found pasjpeg package in fpc that contains
jpeglib.pas unit but I coudnt find a working demo to know how load a
jpeg file and show it.
Can anyone point me to a better direction?
Regards,
Ara
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