X2Go Bug report logs - #707
BPG as bitmap compression engine in NX

Package: libxcomp3; Maintainer for libxcomp3 is X2Go Developers <x2go-dev@lists.x2go.org>; Source for libxcomp3 is src:nx-libs.

Reported by: Mike Gabriel <mike.gabriel@das-netzwerkteam.de>

Date: Thu, 18 Dec 2014 20:40:01 UTC

Severity: wishlist

Tags: wontfix

Done: Mike Gabriel <mike.gabriel@das-netzwerkteam.de>

Bug is archived. No further changes may be made.

Forwarded to https://github.com/ArcticaProject/nx-libs/issues/75

Full log


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Date: Sat, 20 Feb 2016 20:46:40 +0000
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From: Mike Gabriel <mike.gabriel@das-netzwerkteam.de>
To: 707@bugs.x2go.org
Subject: Re: [X2Go-Dev] Bug#707: BPG as bitmap compression engine in NX
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Control: forwarded -1 https://github.com/ArcticaProject/nx-libs/issues/75
Control: tag -1 wontfix
Control: close -1

On  Do 18 Dez 2014 21:38:59 CET, Mike Gabriel wrote:

> Package: libxcomp3
> Severity: wishlist
>
> Hi all,
>
> By Savko Sergey I have just been pointed to the upcoming BPG image  
> compression library [1].
>
> Quoting their website:
>
> """
> BPG (Better Portable Graphics) is a new image format. Its purpose is  
> to replace the JPEG image format when quality or file size is an  
> issue. Its main advantages are:
>
>     High compression ratio. Files are much smaller than JPEG for  
> similar quality.
>     Supported by most Web browsers with a small Javascript decoder  
> (gzipped size: 55 KB).
>     Based on a subset of the HEVC open video compression standard.
>     Supports the same chroma formats as JPEG (grayscale, YCbCr  
> 4:2:0, 4:2:2, 4:4:4) to reduce the losses during the conversion. An  
> alpha channel is supported. The RGB, YCgCo and CMYK color spaces are  
> also supported.
>     Native support of 8 to 14 bits per channel for a higher dynamic range.
>     Lossless compression is supported.
>     Various metadata (such as EXIF, ICC profile, XMP) can be included.
> """
>
> We should take a look at this new compression library and check if  
> it is usable in NX.
>
> Mike
>
> [1] http://bellard.org/bpg/

The issue has been migrated to nx-libs issue tracker on Github.

As the issue is not critical to X2Go and an implementation on nx-libs  
3.5.x is out of reach, this bug gets closed and tagged "wontfix" (for  
X2Go with nx-libs 3.5.x).

Mike
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