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List:       helix-open-discuss
Subject:    Re: [hxdiscuss] help on Producer
From:       Steve McMillen <stevemc () real ! com>
Date:       2003-05-24 22:33:56
Message-ID: 3ECFF354.8010207 () real ! com
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Adding dev@helix-producer.helixcommunity.org to the discussion.

This is great feedback.  The limitations are not really licensing (or at 
least we have not gotten that far yet).  Its simply that the producer 
project team has not had the time to direct any energies into extending 
input file support on Linux.  There are actually a number of needs on 
Linux input which include the need to upgrade the capture plug-ins to 
support ALSA and Video4Linux 2 (instead of depending on backwards 
compatible mode to OSS and Video4Linux 1 respectively).  Given these are 
the defaults for the next major Linux kernel release, this is higher in 
priority and were considering tackling these next on Linux.

The issue with compressed file input support on Linux is two fold as I 
see it:
1. Some research is needed to understand where we can get the most bang 
for the buck.  That is, what libraries are out there that give a wide 
range of file input support.  If anyone already have a good 
understanding of this issue, your comments would be very welcome.
2. Finding resources to implement wrapper input file format plug-ins to 
whatever libraries are decided on as being worthwhile to integrate into 
the producer architecture.

If anyone out there is interested in signing up for writing an input 
file reader plug-in, we'd love to help get you started on the project.  
In the meantime, I'll add "Compressed file input plug-ins for Linux" to 
the Possible Community Projects 
<https://helix-producer.helixcommunity.org/roadmap.htm#Possible_Community_Projects> 
on the helix-producer roadmap.

Thanks, Steve

Joao Fraga wrote:

> Justin Alexander wrote:
>
>> I'm attempting to encode an RM using producer (Linux), but I can't get
>> it to accept any of my avi's or mpg's.
>> what kind of input file format do I need in order to encode an RM 
>
>
> IMHO, the weakest points of the Linux version of Producer (both
> open-source and commercial versions) are the lack of input support for
> compressed video formats like mpeg and DV, and lack of pipes support.
>
> Producer just supports uncompressed AVI and MOV. This means that if you
> grab a 2 hour DV from a camcorder, you will need, not only to uncompress
> the DV file (something that a tiny percentage of Linux users know how to
> do), but also about 150 GB of free disk space to accomodate the
> resulting file...
>
> Are there any license restrictions on including DV support on Helix DNA
> Producer?
>
>
> Joao
>
>
>
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