@Toaks

I'm having trouble relating what you said.

Again using a file over the 2 gig barrier:

Mplayer would flat out fail to start the file, because it can't reach the entire index I guess. It reports that it's not a file it can handle.
DVPlayer, OTOH, with a fix employed reached the 2 gig barrier and then restarted the file instead of continuing.

Can that still be file system?

@OlafS25

My apologies. I'm going way off-topic here.

#6

Last edited by number6 on 20-Apr-2013 at 12:13 PM.

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@Toaks

Quote:

so doesn't this mean something like..support is there but the software ain't?.

Basically yes. Old applications (eg. IBrowse, some media players etc.) don´t support files larger than 4 GB. New "should" be prepared for such filesizes.

@pavlor

The problem has been at 2 gig, not at 4.

#6

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@number6

Quote:

The problem has been at 2 gig, not at 4.

That is same for me. 2 GB on Amiga filesystems, 4 GB on FAT32. For correct usage of big files both suitable filesystem and application support are needed.

@number6 & Pavlor

ok now i need to do more tests it seems so that i can figure out why it works here and if it restart or whatever at the 4gb`? limit etc???

maybe because dvd's are always several files and not just one big?..but then again the files i use are iso's or Matrofska or whatever its called :)

(so i mount an iso in diskimage.. remotly over the network (and view it from there...(dvplayer or mplayer) too slow sadly so i have to use a playstation 3 to stream this properly.)

Last edited by Toaks on 20-Apr-2013 at 12:41 PM.

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@Toaks

Quote:

ok now i need to do more tests it seems so that i can figure out why it works here and if it restart or whatever at the 4gb`? limit etc???

To be clear, my example for restart was Amiga file system and using DVPlayer.
The restart is after crossing the 2 gig barrier.
MPlayer using Amiga file system should just fail at start for files in excess of 2 gig.

Additional note: This was true until late last year. If this has been addressed, then please ignore.

#6

Last edited by number6 on 20-Apr-2013 at 12:35 PM.

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@number6

no problem

a screenshot from Magellan in my distribution

@number6

Quote:

Well, in the case of MPlayer I had 4 people test with files over the 2 gig barrier. OS4.0 and OS4.1 and various file systems. All failed. I was under the impression that was because it used a 32 bit API, but that's not my field.

If you were using file > 2gig then you must have been using a filesystem that supports such large files (sfs2 or jxfs).

If you tried to write such a large file to a file system that didn't support it you could likely kill the partition, but at least corrupt the file.

Pavlo's point was that when Dopus5 was writen, no such file system for amiga os existed, thus no support for it was written in.

2gig versus 4gig
Assuming no large file suport:

File size is limited to 4gig because a size_t is an unsigned 32bit number so max size is 2^32 -1 (near as you can get to 4gig)

Applications often fail at 2gig because an offset_t is a *signed* 32bit number. (you need to be able to seek forward and backwards + or - in a file). So the size limit is 2^31 -1 (near as you can get to 2gig)

Both filesystems (largely done with the new filesystems ) *and* applications need to be large file aware.

Toaks mentioned DVDs, the files on a DVD are *always* split into 1Gig chunks as they must work on older hardware without large file support.

@Toaks

I would be very careful about using files > 4gig on a FAt32 device as it doesn't officially support it. Windows uses NTFS for large file support (maybe others I don't know).

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@number6

There are number of issues.

Device API, Filesystem, the DOS API, the application, all has to support 64bit.

In AmigaOS4 and AmigaOS3 there is TD64 and NSD64, that enables partitions above 64bit.
In AmigaOS4, there is a new API to list files, so you get correct information.
In AmigaOS4, there are new API for reading and opening files.

It also depends on how the application was written.
Signed or unsigned int32, signed int32 is 2Gbytes, unsigned int32 is 4Gbytes.
If you get negative numbers displayed then its signed int32 that program uses.

Int64 or “long long int” is needed if you wont store the correct values, it does not help using new API's if your truncating the numbers.

Last edited by NutsAboutAmiga on 20-Apr-2013 at 04:40 PM.
Last edited by NutsAboutAmiga on 20-Apr-2013 at 04:37 PM.

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@OlafS25

Quote:

OlafS25 wrote: a screenshot from Magellan in my distribution

For final release I'd get rid of those ugly dopus4 style button banks on bottom. You can get those all from listers itself (device list for volumes, and those other functions from lister menu, lister toolbar and pop up menus (enable name mode popup and configure all kinds of functions for different filetypes).

And then you can also configure nice startmenus where you can have ftp options, favourite locations to open etc for example. Like I've done here: http://www.youtube.com/watch?v=lRrIi0datLs

And install some 3rd party modules/scripts.. I'd recommend at least CycleMode (to cycle lister view modes from keyboard), RootParent (to get into device list if you go up from root dir), CutNPaste (to get cut/copy/paste of files, like on other OS'es commonly)... just to mention few of the zillion modules made during the years.

BTW. for some reason ArcDir hits on MorphOS, but if it works on other systems, you really should use that for archives. It's module provided with original package, but it might not have been installed by default. Anyway it allows you to browse lha and lzx archives just like dirs, and you can even copy new files into them etc. Someone should really check why that makes a hit in MorphOS... seems to work otherwise anyway.

And configure some hotkeys too. Global hotkeys are nice for example to open shell (with path changed to current lister's dir for example), ssh etc from anywhere no matter if dopus is activated. And then some local hotkeys for dopus itself like unpacking archives to ram: with one press from keyboard is really handy and fast. You don't have to have destination lister opened or anything, just hit the kb and selected file is unpacked.

Last edited by jPV on 21-Apr-2013 at 06:28 AM.
Last edited by jPV on 21-Apr-2013 at 06:26 AM.
Last edited by jPV on 21-Apr-2013 at 06:18 AM.

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@broadblues

ok so i went and read up more on various NAS units from netgear, normally these things is running something called EXt3 (by default) it seems, but i use SAMBA to talk to the unit.., so i gvuess samba is compatible with it and my nas ain't using FAT at all)

the simple line i use is:

run >nil: samba:smbfs domain=VOLUME user=admin server=NETWORKHDD password=test volume=NAS client=AMIGAONE_0 service="//NETWORKHDD/Main"

i have no idea what i am talking about here so.... bear with me :D
will look into this thing as soon as i had a long nap.

@olaf , sorry for remaining off-topic here

Last edited by Toaks on 21-Apr-2013 at 06:48 AM.

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@jPV

Quote:

For final release I'd get rid of those ugly dopus4 style button banks on bottom.

You might, but not all of us find them too ugly to use. Perhaps an option to use them or not might be better.

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@OldAmigan

Quote:

OldAmigan wrote: @jPV Quote: For final release I'd get rid of those ugly dopus4 style button banks on bottom. You might, but not all of us find them too ugly to use. Perhaps an option to use them or not might be better.

Those are also unpractical IMHO. You have to move mouse a long distance to get there and that makes it too laborious. You have everything available closer in the lister. You just have to get your mind away from dops4 :)

Also messy in that way with everything in one big bank. Maybe you'd have to forget dopus4 again and make more of them where you can group buttons to different purposes. Magellan gives that much more flexibility. But I'd still rather use buttonbanks/startmenus more like program/location/script/menu launchers than pure file handling actions.

But of course you can have many different setups and select what you want to use. It's just matter of saving your preferred layout. Everything else can be ready to pick up in use there. That kind of button bank can be there, if not shown by default.. just go to buttons dir and doubleclick it in use and save layout if you want it on default. So, options are unlimited :)

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@jPV

Thank you for the tips. There are trillion of options so it is not easy to find everything . I am just now reading and exercising tutorials i found on internet. Then of course I will read in the official manual and look in amikit (what is already using magellan). Right now I am testing and creating a button bar (with graphics) and experimenting with file types.

@Toaks

no problem

I am "offtopic" sometimes too

@OldAmigan

simple solution in magellan... close them then "Save Layout" from menue and after rebooting they are away... really simple

@jPV

Quote:

You just have to get your mind away from dops4 :)

Never ever.

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@jPV

" You just have to get your mind away from dops4"
Might be too hard....

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@OlafS25

new screenshot below with button bar below

Nice feature f.e. unpacking of archives by simple drag and drop on target

@OlafS25

new small feature... contents of zip-archives are shown after doubleclick