misleading info in JP2 box lead to wrong number of components

[gcode-importer]

Originally reported on Google Code with ID 110

The decoding of jpxstream.data : as indicated by Winfried, 1.3 and 1.4 give different
results (respectively 1 and 3 components). In this case, 1.3 is right, the info in
the jp2 boxes is misleading 1.4 (and was not taken into account in 1.3, which explains
the regression. Kakadu gives also only one component.

Reported by detonin on 2012-01-23 20:22:51

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- _Attachment: [jpxstream.data](https://storage.googleapis.com/google-code-attachments/openjpeg/issue-110/comment-0/jpxstream.data)_

[gcode-importer]

(see issue #104 for comments history)

Reported by detonin on 2012-01-23 20:23:53

[gcode-importer]

This must have been fixed in 1.5. So I would be tempted to simply closing this issue.

Reported by malaterre on 2012-05-29 13:24:17

[gcode-importer]

Reported by malaterre on 2014-02-25 15:57:34

• Labels added: Milestone-Release2.1

[gcode-importer]

I must say I do not understand how kakadu decide not to apply PCLR. Does it check for
the invalid value of PREC (I.5.3.3) ?

Reported by malaterre on 2014-02-27 14:04:17

• Status changed: Started

[gcode-importer]

This issue was updated by revision r2501.

Reported by malaterre on 2014-02-27 14:17:58

[gcode-importer]

opj_jp2_apply_pclr is properly applied on file9.jp2 as should.

Reported by malaterre on 2014-02-27 14:18:41

[gcode-importer]

antonin, I believe applying PCRL is correct. I have been using file9.jp2 (conformance)
and kakadu seems to have a similar behavior : if output target is single channel (eg.
pgm) then a single channel is extracted, if output target is three channel then PCLR
is applied (eg. ppm).

Could you please refine why you think behavior in 1.3 was correct ?

Reported by malaterre on 2014-02-28 10:34:47

[gcode-importer]

antonin, I am closing this one for now. If you believe I misunderstood something please
update the description. thx

Reported by malaterre on 2014-03-03 16:16:07

• Status changed: WontFix

[gcode-importer]

Reported by detonin on 2014-03-24 15:57:45

• Labels added: Conformance