Sweet.... But keep in mind that "data size" is not the only issue.... Encoding latency is also an issue... Smaller "data" usually means more complex encoding... Though its is ofcourse possible that something new could potentially be producing smaller data and doing so more efficiently. Though the roots of this format is stuff that would be potentially heavy to digest in a larger multi-user environment. Though then again... the roots of this may eventually lead to it being something more well suited for GPU acceleration...

There is one concern however, one which would need to be properly sorted out before any large scale adoption would ever take place: http://en.wikipedia.org/wiki/Better_Portable_Graphics#Patents

On 12/18/2014 09:38 PM, 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/

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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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