Send DCPomatic mailing list submissions to
        dcpomatic@carlh.net

To subscribe or unsubscribe via the World Wide Web, visit
        http://main.carlh.net/cgi-bin/mailman/listinfo/dcpomatic
or, via email, send a message with subject or body 'help' to
        dcpomatic-request@carlh.net

You can reach the person managing the list at
        dcpomatic-owner@carlh.net

When replying, please edit your Subject line so it is more specific
than "Re: Contents of DCPomatic digest..."


Today's Topics:

   1. Re: DCPomatic Digest, Vol 49, Issue 2 (Davide Sanvito)
   2. Re: DCPomatic Digest, Vol 49, Issue 2 (Manuel AC)
   3. Re: DCPomatic Digest, Vol 49, Issue 2 (Carsten Kurz)


----------------------------------------------------------------------

Message: 1
Date: Mon, 5 Sep 2016 19:36:49 +0200
From: Davide Sanvito <dsanvito90@gmail.com>
To: dcpomatic@carlh.net
Subject: Re: [DCP-o-matic] DCPomatic Digest, Vol 49, Issue 2
Message-ID:
        <CAJ-RJ=WuMX_dDuoTtERhx0AQdkWdPzhrRG7zYbpskMsATKLiSw@mail.gmail.com>
Content-Type: text/plain; charset="utf-8"

Hi Carsten,
no I didn't. What is the typical bandwidth?
Thanks,
Davide

2016-09-05 13:00 GMT+02:00 <dcpomatic-request@carlh.net>:

> Send DCPomatic mailing list submissions to
>         dcpomatic@carlh.net
>
> To subscribe or unsubscribe via the World Wide Web, visit
>         http://main.carlh.net/cgi-bin/mailman/listinfo/dcpomatic
> or, via email, send a message with subject or body 'help' to
>         dcpomatic-request@carlh.net
>
> You can reach the person managing the list at
>         dcpomatic-owner@carlh.net
>
> When replying, please edit your Subject line so it is more specific
> than "Re: Contents of DCPomatic digest..."
>
>
> Today's Topics:
>
>    1. Re: DCP-o-matic over WAN (Carsten Kurz)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Sun, 4 Sep 2016 17:43:02 +0200
> From: Carsten Kurz <audiovisual@t-online.de>
> To: dcpomatic carlh net <DCPomatic@carlh.net>
> Subject: Re: [DCP-o-matic] DCP-o-matic over WAN
> Message-ID: <C71EA227-3506-4BC0-8082-5EAF69D9DA9E@t-online.de>
> Content-Type: text/plain; charset=us-ascii
>
>
> Am 03.09.2016 um 12:48 schrieb Davide Sanvito via DCPomatic:
>
> > Hi all,
> > I wonder if it would be possible to run encode server instances through
> the Internet, rather than through a LAN.
>
> Hmm, why would you want to do that? Did you consider the typical bandwidth
> needs for sending and receiving image data?
>
> - Carsten
>
>
>
>
>
>
>
> ------------------------------
>
> Subject: Digest Footer
>
> _______________________________________________
> DCPomatic mailing list
> DCPomatic@carlh.net
> http://main.carlh.net/cgi-bin/mailman/listinfo/dcpomatic
>
>
> ------------------------------
>
> End of DCPomatic Digest, Vol 49, Issue 2
> ****************************************
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://main.carlh.net/pipermail/dcpomatic/attachments/20160905/b459b746/attachment-0001.html>

------------------------------

Message: 2
Date: Mon, 5 Sep 2016 14:26:55 -0400
From: Manuel AC <mac@akadcp.com>
To: dcpomatic carlh net <dcpomatic@carlh.net>
Subject: Re: [DCP-o-matic] DCPomatic Digest, Vol 49, Issue 2
Message-ID:
        <CAGnEyg-5UdVjnZyY7Kc5+gfk9BmpyzCaOhex377gmwRJi5BMqg@mail.gmail.com>
Content-Type: text/plain; charset=UTF-8

You can easily saturate a gigabit network.
All frames are sent uncompressed to the encoding servers and then back
encoded as JPEG2000. Total traffic is a few times the size of the
resulting DCP.

There was a discussion on the list about this some time ago. But it's
always interesting to hear new ideas, maybe we can find a forgotten
miracle ;)

Manuel AC


On Mon, Sep 5, 2016 at 1:36 PM, Davide Sanvito via DCPomatic
<dcpomatic@carlh.net> wrote:
> Hi Carsten,
> no I didn't. What is the typical bandwidth?
> Thanks,
> Davide
>
> 2016-09-05 13:00 GMT+02:00 <dcpomatic-request@carlh.net>:
>>
>> Send DCPomatic mailing list submissions to
>>         dcpomatic@carlh.net
>>
>> To subscribe or unsubscribe via the World Wide Web, visit
>>         http://main.carlh.net/cgi-bin/mailman/listinfo/dcpomatic
>> or, via email, send a message with subject or body 'help' to
>>         dcpomatic-request@carlh.net
>>
>> You can reach the person managing the list at
>>         dcpomatic-owner@carlh.net
>>
>> When replying, please edit your Subject line so it is more specific
>> than "Re: Contents of DCPomatic digest..."
>>
>>
>> Today's Topics:
>>
>>    1. Re: DCP-o-matic over WAN (Carsten Kurz)
>>
>>
>> ----------------------------------------------------------------------
>>
>> Message: 1
>> Date: Sun, 4 Sep 2016 17:43:02 +0200
>> From: Carsten Kurz <audiovisual@t-online.de>
>> To: dcpomatic carlh net <DCPomatic@carlh.net>
>> Subject: Re: [DCP-o-matic] DCP-o-matic over WAN
>> Message-ID: <C71EA227-3506-4BC0-8082-5EAF69D9DA9E@t-online.de>
>> Content-Type: text/plain; charset=us-ascii
>>
>>
>> Am 03.09.2016 um 12:48 schrieb Davide Sanvito via DCPomatic:
>>
>> > Hi all,
>> > I wonder if it would be possible to run encode server instances through
>> > the Internet, rather than through a LAN.
>>
>> Hmm, why would you want to do that? Did you consider the typical bandwidth
>> needs for sending and receiving image data?
>>
>> - Carsten
>>
>>
>>
>>
>>
>>
>>
>> ------------------------------
>>
>> Subject: Digest Footer
>>
>> _______________________________________________
>> DCPomatic mailing list
>> DCPomatic@carlh.net
>> http://main.carlh.net/cgi-bin/mailman/listinfo/dcpomatic
>>
>>
>> ------------------------------
>>
>> End of DCPomatic Digest, Vol 49, Issue 2
>> ****************************************
>
>
>
> _______________________________________________
> DCPomatic mailing list
> DCPomatic@carlh.net
> http://main.carlh.net/cgi-bin/mailman/listinfo/dcpomatic
>



--
http://akadcp.com/
https://www.facebook.com/akadcp




------------------------------

Message: 3
Date: Mon, 5 Sep 2016 20:51:26 +0200
From: Carsten Kurz <audiovisual@t-online.de>
To: dcpomatic net carlh <DCPomatic@carlh.net>
Subject: Re: [DCP-o-matic] DCPomatic Digest, Vol 49, Issue 2
Message-ID: <0DCE5713-426E-409D-832C-20A610945F8F@t-online.de>
Content-Type: text/plain; charset=us-ascii


Am 05.09.2016 um 19:36 schrieb Davide Sanvito via DCPomatic:

> Hi Carsten,
> no I didn't. What is the typical bandwidth?


Some people used to compare J2K encoding with 3D rendering. However, the computational load vs. bandwidth makes cloud based rendering much more attractive for 3D rendering applications, SETI@home.  Typically, a single 3D frame would need hours or days of rendering. SETI sends and receives very small amount of data, but applies very complicated computations.

For J2K, a typical standard PC can now encode about 6-10 fps. You need to send around 10fps of uncompressed source files AND receive about 10-20MByte/s of encoded J2k over your WAN to keep up with that.

A suitable scenario would be a location with a very fast internet connection, but very slow single encode machine, e.g. a Core2Duo on a 200MBit/s broadband line. That's not very likely.

Sooner or later, there will be GPU aided encoding as well. Currently, a dual CPU second hand XEON can get you near realtime encoding at around 600US$. Add another one, and you will probably get close to 30-40fps encoding rate for the cost of a single high end gaming PC.

- Carsten







------------------------------

Subject: Digest Footer

_______________________________________________
DCPomatic mailing list
DCPomatic@carlh.net
http://main.carlh.net/cgi-bin/mailman/listinfo/dcpomatic


------------------------------

End of DCPomatic Digest, Vol 49, Issue 3
****************************************