JPEG Viewer for Amiga
Christopher Boone
I've been looking for a JPEG Viewer for the Amiga. If anyone has one
or knows where I can find one (I dont know if I exsists at all) please
post the info.
Thanks
James Whitlow
(Christopher Boone) wrote:
Viewtek 2.1 & PPShow 4.0 will view them just fine. Also, if you are
running 3.0 or 3.1 there is a very nice datatype your can use with
Multiview. All of this can be found on Aminet. However, if you wish, I can
UUencode it and mail it to you.
Eddy Hamacek
jwhi...@iadfw.net says...
>
>In article <3oit2c$4...@ixnews4.ix.netcom.com>, boon...@ix.netcom.com
>(Christopher Boone) wrote:
>
> I've been looking for a JPEG Viewer for the Amiga. If anyone has one
> or knows where I can find one (I dont know if I exsists at all) please
> post the info.
I have been using FastJPeg (available on Aminet) on my 1200 for a while
now with no probs. I installed the ECS version on my old tweaked
1000,that a friend has now, and it worked fine.
Ed
Harv R Laser
>I've been looking for a JPEG Viewer for the Amiga. If anyone has one
>or knows where I can find one (I dont know if I exsists at all) please
>post the info.
>
"Fast_JPEG" is simply the best one I've ever used on an Amiga.
Compared to my old standby, ViewTek, FastJpegAGA will load and display
the same .jpg full screen hi-res-lace image in 8 seconds that
VT takes 22 seconds to show. (A1200, 40mhz 030/882, 10M/60M).
Get it on Aminet or all the usual places.
Filename: FastJPEG1.10.lha
Thijs Stalenhoef
CB> I've been looking for a JPEG Viewer for the Amiga. If anyone has one or
CB> knows where I can find one (I dont know if I exsists at all) please post
CB> the info.
I use Fastview (by John Hendrikx, great viewer, also for GIF and PCX) and
FastJPEG.
Fastview uses routines by the maker of fastjpeg (if I'm correct), the socalled
Jpeg-Codec-class by Christoph Feck.
I think both are on Aminet...
CB> Thanks
Bye,
Thijs AMY: 39:150/108.2
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Robert Goodlett
>>
>>I've been looking for a JPEG Viewer for the Amiga. If anyone has one
>>post the info.
>>
>>Thanks
>
>"Fast_JPEG" is simply the best one I've ever used on an Amiga.
>Compared to my old standby, ViewTek, FastJpegAGA will load and display
>the same .jpg full screen hi-res-lace image in 8 seconds that
>VT takes 22 seconds to show. (A1200, 40mhz 030/882, 10M/60M).
>Get it on Aminet or all the usual places.
>Filename: FastJPEG1.10.lha
I think that both ViewTek and FastJpeg are a must. FastJpeg does of
course have the speed advantage. Most of the time i cant tell the
differance between the two in picture quality. But on occasion
FastJpeg will not render worth a crap. Some jpegs just need more
data sent to the screen to look good.
just my $0.02
Edith D Goldstein
In a previous article, go...@eskimo.com (Robert Goodlett) says:
>
>I think that both ViewTek and FastJpeg are a must. FastJpeg does of
>course have the speed advantage. Most of the time i cant tell the
>differance between the two in picture quality. But on occasion
>FastJpeg will not render worth a crap. Some jpegs just need more
>data sent to the screen to look good.
I have fastjpeg_esc (renders HAM) and fastjpeg_AGA (renders HAM8) but is
there a fastjpeg for 24-bit graphics boards?
-edg
Eric Lanier
In article <3os6j2$g...@usenet.INS.CWRU.Edu> you wrote:
:
ViewTek has support for several display cards. I use ViewTek EGS with my
Spectrum. If you have EGS, just get EGSPhotoAlbum. Other than a image
cataloger/viewer, it can also play anims, PhotoCD and slide show your images
with transitions. Its JPG loader is FAAASSSST! :)
: -edg
Eric
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Vincent Avell
FastJPEG, but I think I will now. Problem I have with VT that I recently noticed
is that it REDUCES the picture before viewing, so it comes out looking not as
good in addition to it's speed.
Lauri Aalto
> "Fast_JPEG" is simply the best one I've ever used on an Amiga.
> Compared to my old standby, ViewTek, FastJpegAGA will load and display
> the same .jpg full screen hi-res-lace image in 8 seconds that
> VT takes 22 seconds to show. (A1200, 40mhz 030/882, 10M/60M).
> Get it on Aminet or all the usual places.
And it has an ECS version too.
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Des Whewell
: Harv R Laser (Ha...@cup.portal.com) wrote:
: : >
: : >I've been looking for a JPEG Viewer for the Amiga. If anyone has one
: : >or knows where I can find one (I dont know if I exsists at all) please
: : >post the info.
: : >
: : >Thanks
: : "Fast_JPEG" is simply the best one I've ever used on an Amiga.
: : Compared to my old standby, ViewTek, FastJpegAGA will load and display
: : the same .jpg full screen hi-res-lace image in 8 seconds that
: : VT takes 22 seconds to show. (A1200, 40mhz 030/882, 10M/60M).
: : Get it on Aminet or all the usual places.
: : Filename: FastJPEG1.10.lha
: Yes, FastJpegAGA is definetly the fastest one, but when I want to see full
: quality of picture (on my plain A1200) I use ViewTek. It is TRUE that it's
Errr, can I ask a daft question. Isn't the JPEG decompression algorithm
deterministic? In other words, what exactly can a viewer do to degrade or
enhance the picture. Doesn't it just....show it?
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! Des Whewell: d...@oregon.demon.co.uk - Coventry, UK !
`----------------------------------------------------'
Bojan Zdrnja
: >
: >I've been looking for a JPEG Viewer for the Amiga. If anyone has one
: >or knows where I can find one (I dont know if I exsists at all) please
: >post the info.
: >
: >Thanks
: "Fast_JPEG" is simply the best one I've ever used on an Amiga.
: Compared to my old standby, ViewTek, FastJpegAGA will load and display
: the same .jpg full screen hi-res-lace image in 8 seconds that
: VT takes 22 seconds to show. (A1200, 40mhz 030/882, 10M/60M).
: Get it on Aminet or all the usual places.
: Filename: FastJPEG1.10.lha
Yes, FastJpegAGA is definetly the fastest one, but when I want to see full
quality of picture (on my plain A1200) I use ViewTek. It is true that it's
slower than FastJpegAGA, but quality of showed picture is much better.
Anyway, for first see on a picture I recommend that you use FastJpegAGA, and
ViewTek only if you really liked that picture.
Greetz, Bojan
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Darkwolf
: >Yes, FastJpegAGA is definetly the fastest one, but when I want to see full
: >quality of picture (on my plain A1200) I use ViewTek. It is true that it's
: >slower than FastJpegAGA, but quality of showed picture is much better.
: >Anyway, for first see on a picture I recommend that you use FastJpegAGA, and
: >ViewTek only if you really liked that picture.
Only prob with VT is the pic quality is degraded. I have found many GIFs
that look like crap on VT2.1 yet look fine with FastJPEGAGA.
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Darkwolf
: >Only prob with VT is the pic quality is degraded. I have found many GIFs
: >that look like crap on VT2.1 yet look fine with FastJPEGAGA.
Sorry that should have said `many JPEGs'.
Andrew McKeon
>I've been looking for a JPEG Viewer for the Amiga. If anyone has one
>or knows where I can find one (I dont know if I exsists at all) please
>post the info.
>Thanks
I've been using a jpeg viewer for about 6 months. I tried
several and found FastJPEG to be the fastest along with
the best quality. It ahs various options to create slideshows
on screens with specified resolutions. This should suit
your needs. You can find it on the Aminet gfx/show called
FastJPEG_1.10.lha. It is also quite small.
Andrew
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Kaikumaa Timo
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Nirmal N Shenoy
and when you find out, will you please let me know too....
fastview is very nice with iffs but i would like to load jpegs also.
Christoph Feck IRZ
> Where can I find those JPEG-Codec-Classes for FastView?
Download util/wb/jfif_dtc.lha (or it may be in util/dtype
instead). You will get a JFIF/JPEG datatype as a bonus.
--
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\X/ Amiga - Intuition inside.
Christoph Feck IRZ
> Bojan Zdrnja (bz3...@labs1.cc.etf.hr) wrote:
> : Yes, FastJpegAGA is definetly the fastest one, but when I want to see full
For certain kinds of pictures FastJPEG may produce images
of lower quality because of the dithering noise. You can
switch off dithering by specifiying the DIRTY option on the
command line. Otherwise I see no reason why Viewtek should
look better...
> Errr, can I ask a daft question. Isn't the JPEG decompression algorithm
> deterministic? In other words, what exactly can a viewer do to degrade or
> enhance the picture. Doesn't it just....show it?
It can choose a bad palette (Amiga has no true color modes),
can do bad dithering (or no dithering at all), or it can do
lousy 24 bit->HAM conversion. In general, if you want
highest quality pictures, you need two-pass color selection
and error diffusion dithering, which are slow.
With grayscale images on an 256 color display, they _may_
look identical, but there are still speed/quality tradeoffs
in the IDCT phase possible.
Vincent Avell
: k15...@proffa.cc.tut.fi (Kaikumaa Timo) writes:
: and when you find out, will you please let me know too....
: fastview is very nice with iffs but i would like to load jpegs also.
: >Where can I find those JPEG-Codec-Classes for FastView?
: >--
: >- TimoK -
What do you mean? Fastview views iff/jpeg/bmp/gif? If anyone needs the
tower.library, mail me. That is, providing it's legal to send. Should be.
Wish I knew where I got it, so I can just say where it's located.
Apparently I already had it when I got Fastview.
Nick
: Harv R Laser (Ha...@cup.portal.com) wrote:
[snip, snap]
: : "Fast_JPEG" is simply the best one I've ever used on an Amiga.
: : Compared to my old standby, ViewTek, FastJpegAGA will load and display
: : the same .jpg full screen hi-res-lace image in 8 seconds that
: : VT takes 22 seconds to show. (A1200, 40mhz 030/882, 10M/60M).
: : Get it on Aminet or all the usual places.
: : Filename: FastJPEG1.10.lha
: Yes, FastJpegAGA is definetly the fastest one, but when I want to see full
: quality of picture (on my plain A1200) I use ViewTek. It is TRUE that it's
Is there maybe some enhanced version of FastJpeg?
I got an A500, OCS, KS1.2, and when showing picture which has height heigher
than 270 (approx) lines, it 'vanishes' in bottom of screen, but I can't
scroll the view down. I was resolving this problem in a >ugly< way - by
loading 3rdDay, and viewing pic from memory, and saving it to IFF.
Is there easier way? (PS: But don't recomen me prog which requires KS2.+)
Thanx!
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Bojan Zdrnja
: Errr, can I ask a daft question. Isn't the JPEG decompression algorithm
: deterministic? In other words, what exactly can a viewer do to degrade or
: enhance the picture. Doesn't it just....show it?
Hmm, that's what I thought, but if you try it you will see that you won't
have same result with FastJPEGAGA and ViewTek. I didn't look the code (I
have no time for that), but I think that FastJPEGAGA uses other algorithms
to decompress picture. I mean, these algorithms are much faster than normal
but it looses picture quality.
n-d...@uxa.cso.uiuc.edu
>Des Whewell (d...@oregon.demon.co.uk) wrote:
>: Errr, can I ask a daft question. Isn't the JPEG decompression algorithm
>: deterministic? In other words, what exactly can a viewer do to degrade or
>: enhance the picture. Doesn't it just....show it?
>Hmm, that's what I thought, but if you try it you will see that you won't
>have same result with FastJPEGAGA and ViewTek. I didn't look the code (I
>have no time for that), but I think that FastJPEGAGA uses other algorithms
>to decompress picture. I mean, these algorithms are much faster than normal
>but it looses picture quality.
The JPEG standard doesn't specify how rounding is to be done when the
decompression is performed. This means that different viewers will have
outputs that are different in the bottom bit (or two). But that is _not_
where the difference between VT and FJpeg comes from. The difference
between the two is in the algorithm they use to go from the raw RGB
(or mayb even the YCrCb) to the HAM6 or HAM8 image. There are as many ways
to do this as there are programs that do it, and which is better depends
on lots of things. Personally I see it as:
On an OCS/ECS machine (ham6): FastJPEG beats VT hands down. VT is
downright ugly. On an AGA machine (ham8): VT is slow as a dog, but
it's images look smoother than FastJPEG's, even with FastJPEG's dither
option turned off.
There must be something about VT's RGB->HAM algorithm that performs very
badly when there are only 16 base colors, but that works well when there
are 64.
-Nicolas Dade / n9rzb / nicola...@uiuc.edu
Glenn Saunders
: have no time for that), but I think that FastJPEGAGA uses other algorithms
: to decompress picture. I mean, these algorithms are much faster than normal
: but it looses picture quality.
That's not true. FastJPEGAGA image quality is one of the best HAM8
encoding I've ever seen. Paletting that results in by far the least HAM
fringing of the various things I've seen (Xv, Imagemaster, Lightwave HAM8
preview, etc...).
Just because it's fast doesn't mean it's compromised although you'd think
such would be the case.
Fenric
-> Is there maybe some enhanced version of FastJpeg?
-> I got an A500, OCS, KS1.2, and when showing picture which has height heigher
-> than 270 (approx) lines, it 'vanishes' in bottom of screen, but I can't
-> scroll the view down. I was resolving this problem in a >ugly< way - by
-> loading 3rdDay, and viewing pic from memory, and saving it to IFF.
-> Is there easier way? (PS: But don't recomen me prog which requires KS2.+)
->
-> Thanx!
[sig snip]
I use a combination of PPShow for the JPEGS and viewtek for the gifs. (Viewtek
will also show JPEGS). Both are available from Aminet (PPSHOW4.lha and
Viewtek21.lha I think :-D)
I think these will work on any amiga, but they may be WB2xx + only. Sorry if
they are.
Hope this was some help.
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Krzysztof Wajdon
-> Is there maybe some enhanced version of FastJpeg?
-> I got an A500, OCS, KS1.2, and when showing picture which has height heigher
-> than 270 (approx) lines, it 'vanishes' in bottom of screen, but I can't
-> scroll the view down. I was resolving this problem in a >ugly< way - by
-> loading 3rdDay, and viewing pic from memory, and saving it to IFF.
-> Is there easier way? (PS: But don't recomen me prog which requires KS2.+)
->
-> Thanx!
[sig snip]
Try FastJPEG this is faster than Viewtek and better quality of PPshow.
Also check FileMaster3.0. It has the fastest I ever seen jpeg showing routine
but only for preview purposes (low quality).
PS. You can find fastJPEG an aminet.
Krzysztof Wojdon
van...@ii.uni.wroc.pl
Tony Byrne
> Krzysztof Wojdon
> van...@ii.uni.wroc.pl
You can do better than this, try FastView, recently uploaded to
Aminet, not only does it allow you to view JPEGS, but also IFF, GIF
and BMP formats etc. It also fully supports all chipsets and images
can be scaled to fit your preferred screenmode. It has better file
handling too! BTW, it is just as fast, if not faster than FastJpeg.
=============================================================================
Tony Byrne, Swords, County Dublin, Ireland. <byr...@internet-eireann.ie>
-----------------------------------------------------------------------------
.sig in for repairs!
=============================================================================
Paolo Dal Cengio 319713/IH
a program called ScreenSave to save the front screen in IFF format.
ScreenSave is a very old program that I found on Fred Fish disks,
butyou can use any other screensaver...
There is also a program, called ViewJPEG, worse in rendering JPEG images,
but capable of scrolling images bigger than your screen.
It uses any type of memory to store the bitmap, and then, it copies the
visible part in the chip ram, in order to render it on the screen.
But it is VERY SLOW (on a 68k)!!!
Both FastJPEG and ViewJPEG are on Aminet.
Paolo Dal Cengio.
Robert Goodlett
>>or knows where I can find one (I dont know if I exsists at all) please
>>post the info.
>>
>>Thanks
>
>Compared to my old standby, ViewTek, FastJpegAGA will load and display
>the same .jpg full screen hi-res-lace image in 8 seconds that
>VT takes 22 seconds to show. (A1200, 40mhz 030/882, 10M/60M).
>Get it on Aminet or all the usual places.
>Filename: FastJPEG1.10.lha
You are confusing better with faster. Fast-JPEG is faster but renders
less information to the screen. Thats why it's faster. In most situations
it does a fantastic job. But ViewTek will render a better looking picture.
A current dos box will crunch numbers faster than an Amiga. Does that mean
it's better?
John Yeung
> >
> >"Fast_JPEG" is simply the best one I've ever used on an Amiga.
> You are confusing better with faster. Fast-JPEG is faster but renders
> less information to the screen. Thats why it's faster. In most situations
> it does a fantastic job. But ViewTek will render a better looking picture.
I hope you'll all forgive me for my tuning in late to this discussion, but
I can't stress enough how feeble ECS is. That is what I am using right now
and I can heartily say that FastJPEG is vastly, vastly, vastly, vastly,
vastly better than ViewTEK on a vanilla ECS machine. (In fact, ViewTEK
just plain sucks on an ECS machine - it's both much uglier AND much slower.)
I have never used an AGA Amiga or one with a graphics card, so I won't
comment on those.
John
Harv R Laser
>You are confusing better with faster. Fast-JPEG is faster but renders
>less information to the screen. Thats why it's faster. In most situations
>it does a fantastic job. But ViewTek will render a better looking picture.
>
>it's better?
I beg to differ and in fact in my opinion, Fast-JPEG_AGA rendered
screens look better than Viewtek's.
In most cases, for casual viewing at arm's length I see no difference
between the results of the two viewers at all.
Reg Martin
: >You are confusing better with faster. Fast-JPEG is faster but renders
: >less information to the screen. Thats why it's faster. In most situations
: >it does a fantastic job. But ViewTek will render a better looking picture.
: >
: >A current dos box will crunch numbers faster than an Amiga. Does that mean
: >it's better?
:
: I beg to differ and in fact in my opinion, Fast-JPEG_AGA rendered
: screens look better than Viewtek's.
I must agree. I havn't used Viewtek in a long time... Isn't FastView even
faster than Fast-JPEG though? (Say THAT 3 times fast ;)
Has anybody else tried the new program Visage? It's darned fast. I can't
really comment on the image quality because I havn't tested it on many
pictures yet, but it is definitely better than Viewtek. I'm quite certain
that this is also the fastest viewer for the Amiga. Check it out!
(It was just recently uploaded to Aminet and is still in the RECENT file)
Reg Martin
Leo Davidson
RM| I must agree. I havn't used Viewtek in a long time... Isn't FastView
RM| even faster than Fast-JPEG though? (Say THAT 3 times fast ;)
You could be right about Fastview (it certainly kills every other viewer
for speed! Well done John!), but FJPEG_ECS with the "Grey Dirty" options
(grey scale, no dithering) will render the pictures faster than FastView (in
colour) - I still use FJPEG for doing quick renders to see what a picture
looks like.
.--------------------------------------------- ----- ---- --- -- - - - |
| Leo Davidson, aka Pot-Noodle - IRC: Nudel - l...@hampschl.demon.co.uk |
| - - - -- --- ---- ----- ---------------------------------------------'
Neil Clark
>
>I must agree. I havn't used Viewtek in a long time... Isn't FastView even
>faster than Fast-JPEG though? (Say THAT 3 times fast ;)
Yes, although the quality isn't as good as FastJPEG. It is possible to increase
the quality of FastView renedered JPEGs by using the dither option, but this
slows it down a bit. If you tell FastView to use ROM routines for writing
pixels and to dither the image, it is about the same speed as FastJPEG ( from
a subjective viewpoint, at least :-)
--
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Telepresence researcher
University of Strathclyde
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