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Groups > alt.comp.os.windows-11 > #16266

Re: picture gallery programs that read cameras?

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Paul <nospam@needed.invalid> wrote:
> On Mon, 1/13/2025 11:07 AM, Frank Slootweg wrote:
> > T <T@invalid.invalid> wrote:
> >> On 1/12/25 4:26 PM, Tony wrote:
> > [...]
> > 
> >>> Adobe bridge free version:
> >>>
> >>> https://www.adobe.com/uk/products/bridge.html
> >>
> >> That looks like overkill.
> >>
> >> Be nice if IrfanView would do it.  Don't
> >> suppose they have a plug in for MTP?
> > 
> >   IrfanView can access a camera via MTP, just do File -> Open... But it
> > can not sequence through pictures in the normal way, 'Next file in
> > folder/list', etc. do not work.
> > 
> >   This is probably a limitation of MTP, because the same thing happens
> > if you open a file in the camera 'device' part of File Explorer with for
> > example the Photos app. Also in that case, you can't sequence through
> > the pictures, you can only open/close them one at a time.
> > 
> >   So a "picture gallery program" needs to specifically support PTP/MTP.
> > 
> >   As Paul mentioned, on the Wikipedia 'Comparison of image viewers'
> > page, only *one* viewer supports MTP/PTP.
> > 
> >   So your request is not as simple as you say, especially because you
> > reject camera-manufacturer software for no good reason.
> > 
> 
> The developer has to write a version of "FindNextFile" for MTP :-)
> 
> That would allow traversal.
> 
> If you use MTPDrive and mount MTP as if it was mtpFS on Linux,
> then it would get a drive letter and traverse via the build-in
> MSDOS-era FindNextfile. There is a pair of routines, FindFirstFile
> and FindNextfile, and those are important primitives for a lot
> of windows activities.
> 
> It's not like Microsoft does not know how to do this. It
> has the IFS thing (Installable File System) and if Microsoft
> wanted to do a mtpFS like Linux or make a userspace program
> like MTPDrive, they could easily do it. Microsoft invented MTP,
> and it's likely "clumsy on purpose". No attempt made to integrate
> it properly.

  Yes, one *could* make a kind of mtpFS file system or a kind of
MTPDrive drive on Windows, but IMO the point is, that as the name
indicates, MTP is a file *transfer* protocol, not a file *access*
protocol. So it's like FTP, not like NFS.

  Like with FTP, hacking a transfer protocol into a would-be access
protocol, is bound to fail. A hack will always be a hack and hence
people will - rightfully so - complain about the limitations,
diosyncrasies, etc. of the hack. And that's exactly what also happened
here with the hack of making a MTP/PTP device look like sort-of a file
system in (Windows) File Explorer. It *isn't* a file system, live with
it! Use it, as it was intended, for *transferring* files.

> MTP, part of the reason for even inventing it, was to enforce DRM.
> If a camera device had the "DoNotCopy" bit set on a file, then
> MTP could be used to enforce the "can't make a copy' thing. An
> attempt to copy a DoNotCopy file, should fail. However, I've not
> read any user accounts of actual DRM-fueled failures. Most of the
> materials stored in a persons DCIM are going to be locally
> captured with a camera sensor, not "stolen from Hollywood".
> 
> On a PVR, I doubt the interface on the thing is MTP, but I could
> be wrong. That would be a perfect place to throw up a blanket wall
> of "copy failures" as DoNotCopy is set on just about everything
> coming through the TV antenna.

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picture gallery programs that read cameras? T <T@invalid.invalid> - 2025-01-11 23:17 -0800
  Re: picture gallery programs that read cameras? Hank Rogers <invalid@nospam.com> - 2025-01-12 08:50 +0000
    Re: picture gallery programs that read cameras? T <T@invalid.invalid> - 2025-01-12 01:38 -0800
      Re: picture gallery programs that read cameras? T <T@invalid.invalid> - 2025-01-12 03:12 -0800
  Re: picture gallery programs that read cameras? Chris <ithinkiam@gmail.com> - 2025-01-12 11:36 +0000
    Re: picture gallery programs that read cameras? T <T@invalid.invalid> - 2025-01-12 12:42 -0800
      Re: picture gallery programs that read cameras? Chris <ithinkiam@gmail.com> - 2025-01-12 22:34 +0000
      Re: picture gallery programs that read cameras? Ken Blake <Ken@invalid.news.com> - 2025-01-13 09:53 -0700
        Re: picture gallery programs that read cameras? T <T@invalid.invalid> - 2025-01-13 15:32 -0800
  Re: picture gallery programs that read cameras? mick <nospam@junk.mail> - 2025-01-12 13:16 +0000
    Re: picture gallery programs that read cameras? T <T@invalid.invalid> - 2025-01-12 13:34 -0800
      Re: picture gallery programs that read cameras? T <T@invalid.invalid> - 2025-01-12 14:31 -0800
        Re: picture gallery programs that read cameras? Paul <nospam@needed.invalid> - 2025-01-12 21:34 -0500
          Re: picture gallery programs that read cameras? T <T@invalid.invalid> - 2025-01-12 19:58 -0800
            Re: picture gallery programs that read cameras? Paul <nospam@needed.invalid> - 2025-01-12 23:16 -0500
  Re: picture gallery programs that read cameras? knuttle <keith_nuttle@yahoo.com> - 2025-01-12 08:29 -0500
    Re: picture gallery programs that read cameras? T <T@invalid.invalid> - 2025-01-12 12:43 -0800
  Re: picture gallery programs that read cameras? Paul <nospam@needed.invalid> - 2025-01-12 08:56 -0500
    Re: picture gallery programs that read cameras? T <T@invalid.invalid> - 2025-01-12 12:48 -0800
  Re: picture gallery programs that read cameras? Frank Slootweg <this@ddress.is.invalid> - 2025-01-12 16:31 +0000
    Re: picture gallery programs that read cameras? T <T@invalid.invalid> - 2025-01-12 12:47 -0800
      Re: picture gallery programs that read cameras? Frank Slootweg <this@ddress.is.invalid> - 2025-01-12 21:11 +0000
        Re: picture gallery programs that read cameras? T <T@invalid.invalid> - 2025-01-12 13:28 -0800
          Re: picture gallery programs that read cameras? Frank Slootweg <this@ddress.is.invalid> - 2025-01-13 15:33 +0000
            Re: picture gallery programs that read cameras? T <T@invalid.invalid> - 2025-01-13 15:34 -0800
              Re: picture gallery programs that read cameras? T <T@invalid.invalid> - 2025-01-13 16:17 -0800
                Re: picture gallery programs that read cameras? Paul <nospam@needed.invalid> - 2025-01-13 19:32 -0500
                Re: picture gallery programs that read cameras? T <T@invalid.invalid> - 2025-01-13 16:45 -0800
              Re: picture gallery programs that read cameras? Frank Slootweg <this@ddress.is.invalid> - 2025-01-14 15:06 +0000
                Re: picture gallery programs that read cameras? T <T@invalid.invalid> - 2025-01-17 16:08 -0800
                Re: picture gallery programs that read cameras? Frank Slootweg <this@ddress.is.invalid> - 2025-01-18 13:25 +0000
                Re: picture gallery programs that read cameras? T <T@invalid.invalid> - 2025-01-18 07:04 -0800
        Re: picture gallery programs that read cameras? T <T@invalid.invalid> - 2025-01-12 13:31 -0800
          Re: picture gallery programs that read cameras? Paul <nospam@needed.invalid> - 2025-01-12 22:30 -0500
            Re: picture gallery programs that read cameras? T <T@invalid.invalid> - 2025-01-12 20:01 -0800
          Re: picture gallery programs that read cameras? Frank Slootweg <this@ddress.is.invalid> - 2025-01-13 15:34 +0000
            Re: picture gallery programs that read cameras? Paul <nospam@needed.invalid> - 2025-01-13 13:54 -0500
  Re: picture gallery programs that read cameras? Tony <noreply@ghtyhgfrt.com> - 2025-01-13 00:26 +0000
    Re: picture gallery programs that read cameras? T <T@invalid.invalid> - 2025-01-12 20:04 -0800
      Re: picture gallery programs that read cameras? Paul <nospam@needed.invalid> - 2025-01-13 00:54 -0500
      Re: picture gallery programs that read cameras? Frank Slootweg <this@ddress.is.invalid> - 2025-01-13 16:07 +0000
        Re: picture gallery programs that read cameras? Paul <nospam@needed.invalid> - 2025-01-13 14:05 -0500
          Re: picture gallery programs that read cameras? Frank Slootweg <this@ddress.is.invalid> - 2025-01-13 20:31 +0000

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