[IPP] IPPScan vs IPPSIX issue for "document-format-accepted

[Ira McDonald]

Hi,

I concur with Mike about common use of document-format-accepted and
operation/service-specific defaults for document-format.

Cheers,
- Ira


Ira McDonald (Musician / Software Architect)
Co-Chair - TCG Trusted Mobility Solutions WG
Chair - Linux Foundation Open Printing WG
Secretary - IEEE-ISTO Printer Working Group
Co-Chair - IEEE-ISTO PWG Internet Printing Protocol WG
IETF Designated Expert - IPP & Printer MIB
Blue Roof Music / High North Inc
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On Mon, Feb 10, 2014 at 1:33 PM, Michael Sweet <msweet at apple.com> wrote:

> Pete,
>
> I will make sure to update the definition of document-format-accepted to
> state it is an ordered list of formats to accept.
>
> The default value can be operation-specific, so I don't see the need to
> create a new operation attribute just for scan - let's keep it
> document-format-accepted for both IPPSIX and IPP Scan and document the
> default value in the corresponding operations that use it.
>
> Thanks!
>
>
> On Feb 10, 2014, at 1:00 PM, Zehler, Peter <Peter.Zehler at xerox.com> wrote:
>
>  All,
>
>
>
> In IPP Scan the "document-format-accepted" operational attribute is an
> *ordered* list of the preferred document format for the Scan Service to
> emit for the Documents within a Job.  The default behavior for this
> attribute, if left unspecified, will be to emit the Document data in the
> format specified by the "document-format-default"
>
> In IPP SIX no mention is made of the list being ordered.  The default
> value in IPP Scan is "document-format-default" whereas the default value in
> IPP SIX is "document-format-supported".  (That does not make sense to me.)
>
>
>
> I have changes the IPP Scan operational attribute name to
> "scan-output-document-format-accepted"
>
>
>
> Pete
>
>
>
> Peter Zehler
>
> Xerox Research Center Webster
> Email: Peter.Zehler at Xerox.com
> Office: +1 (585) 265-8755
>
> Mobile: +1 (585) 329-9508
> FAX: +1 (585) 265-7441
> US Mail: Peter Zehler
> Xerox Corp.
> 800 Phillips Rd.
> M/S 128-25E
> Webster NY, 14580-9701
>
>
>
> IPP Scan:
>
> 8.1.1    scan-output-document-format-accepted" (1 set of mimeMediaType)
>
> The OPTIONAL "scan-output-document-format-accepted" operation attribute
> SHOULD be supplied by the client.  It identifies the acceptable formats of
> the Document data to be emitted by the IPP Scan Service for the Job. It is
> an ordered list starting with the preferred format.  The IPP Scan Service
> MUST use the first supported value in the list. The default value that MUST
> be used, if left unspecified by the request, is the value of the
> "document-format-default".
>
> IPP SIX:
>
> The Proxy OPTIONALLY supplies this attribute. The Infrastructure Printer
> MUST support this attribute. It identifies the acceptable formats of the
> Document data to fetch. The default is the value of the
> "document-format-supported" Printer attribute reported by the Proxy in a
> previous Set-Output-Device-Attributes (section 5.7) request.
>
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>
>
>
>
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>
>  _________________________________________________________
> Michael Sweet, Senior Printing System Engineer, PWG Chair
>
>
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