Re: [AVTCORE] [Technical Errata Reported] RFC2435 (4096)

Magnus Westerlund <magnus.westerlund@ericsson.com> Mon, 16 February 2015 08:20 UTC

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Date: Mon, 16 Feb 2015 09:20:35 +0100
From: Magnus Westerlund <magnus.westerlund@ericsson.com>
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Subject: Re: [AVTCORE] [Technical Errata Reported] RFC2435 (4096)
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WG,

My decision is to recommend REJECTED to the AD for this Errata.

Cheers

Magnus Westerlund


On 2015-01-29 14:06, Magnus Westerlund wrote:
> Julius,
> 
> I would appreciate some clarification on the Errata. Is this an attempt
> to raise a discussion around an improvement here, or something else?
> 
> Because without clarification this Errata will be rejected as makes no
> correction.
> 
> /Magnus Westerlund
> 
> 
> On 2014-09-04 17:26, RFC Errata System wrote:
>>
>> The following errata report has been submitted for RFC2435,
>> "RTP Payload Format for JPEG-compressed Video".
>>
>> --------------------------------------
>> You may review the report below and at:
>> http://www.rfc-editor.org/errata_search.php?rfc=2435&eid=4096
>>
>> --------------------------------------
>> Type: Technical
>> Reported by: Julius Richard Friedman <juliusfriedman@gmail.com>
>>
>> Section: Discussion
>>
>> Original Text
>> -------------
>>  types  component samp. fact. samp. fact. table number
>>          +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
>>          |       |  1 (Y)  |     2     |     1     |     0     |
>>          | 0, 64 |  2 (U)  |     1     |     1     |     1     |
>>          |       |  3 (V)  |     1     |     1     |     1     |
>>          +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
>>          |       |  1 (Y)  |     2     |     2     |     0     |
>>          | 1, 65 |  2 (U)  |     1     |     1     |     1     |
>>          |       |  3 (V)  |     1     |     1     |     1     |
>>          +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
>>
>>
>> Corrected Text
>> --------------
>> TO BE DETERMINED
>>
>> Notes
>> -----
>> types  component samp. fact. samp. fact. table number
>>         FROM StartOf Frame (0xFFC0)
>>
>> Read Nf - Number of image components in frame
>>
>> if(Nf > 1) 
>>
>> Read Each Component
>>
>>           0 1 2 3 4 5 6 7 
>>          +-+-+-+-+-+-+-+-+
>>          |   H   |   V   |
>>          +-+-+-+-+-+-+-+-+
>>
>> H: Horizontal sampling factor – Specifies the relationship between the component horizontal dimension
>> and maximum image dimension X (see Jpeg Spec A.1.1); also specifies the number of horizontal data units of component
>> Ci in each MCU, when more than one component is encoded in a scan.
>> Vi: Vertical sampling factor – Specifies the relationship between the component vertical dimension and
>> maximum image dimension Y (see Jpeg Spec A.1.1); also specifies the number of vertical data units of component Ci in
>> each MCU, when more than one component is encoded in a scan.
>> Tqi: Implied from the position in parsing
>>
>> Instructions:
>> -------------
>> This erratum is currently posted as "Reported". If necessary, please
>> use "Reply All" to discuss whether it should be verified or
>> rejected. When a decision is reached, the verifying party (IESG)
>> can log in to change the status and edit the report, if necessary. 
>>
>> --------------------------------------
>> RFC2435 (no draft string recorded)
>> --------------------------------------
>> Title               : RTP Payload Format for JPEG-compressed Video
>> Publication Date    : October 1998
>> Author(s)           : L. Berc, W. Fenner, R. Frederick, S. McCanne, P. Stewart
>> Category            : PROPOSED STANDARD
>> Source              : Audio/Video Transport
>> Area                : Real-time Applications and Infrastructure
>> Stream              : IETF
>> Verifying Party     : IESG
>>
>>
>>
>> _______________________________________________
>> Audio/Video Transport Core Maintenance
>> avt@ietf.org
>> https://www.ietf.org/mailman/listinfo/avt
>>
> 


-- 

Magnus Westerlund

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