[TriLUG] Video editing advice
cristobalpalmer at gmail.com
Wed Feb 14 11:28:24 EST 2007
I don't have answers for you off the bat, but I thought I'd point you here:
You might find some useful info there. If you pester nicely, you might
even get a response from Joey to a question you post there. :)
On 2/14/07, Douglas Ward <binaryflow at gmail.com> wrote:
> Hello TriLUG!
> I am hoping to switch one more important Windows function to Linux and would
> like some advice on the best way to go (Please forgive the long post in
> Background: We have a one week annual conference once a year. We broadcast
> live video feed all around the building that I tap off of as my source
> video. One of my (many) jobs as IT Director is to prepare video clips of
> the keynote speakers (and various other activities) to be posted on the
> web. We encourage our members who cannot be at the conference to still
> participate online by watching the live video. I also use this same
> technology to record training videos and other events of interest to our
> members. We are starting to get into this as something that I think we will
> be doing a lot of in the near future. If you are remotely interested in
> seeing what we do I will provide a link here:
> Technology: I am currently encoding a high and low bandwidth video stream on
> the same workstation. The processor pegs at nearly 100% while I encode but
> otherwise it works great. I then upload the clips to our website. I am
> using Windows XP Professional with the free Windows Media encoder to produce
> this software. We contract with a third party to upload the two live video
> feeds that they then rebroadcast live over the internet. I cache local
> copies of the video stream for static web video. We are using two Osprey
> video capture cards that do have linux drivers (I checked).
> What I would like to do: The first thing is to switch to linux. I noticed
> that Ubuntu is coming out with a video editing related distribution soon but
> it will not be ready in time for the big dance. Here is what I would like
> to accomplish (if possible):
> - Capture a high and a low bandwidth video stream and archive it to the
> local disk.
> - Simultaneously upload these streams to a remote location for rebroadcast.
> - If possible, archive at the same time to mp3 (and upload) for an audio
> only broadcast.
> I need all of this to happen simultaneously because I do not have much time
> between presentations to compile video. Management wants the video posted
> online asap. I usually have time to trim the beginning/end and add a fade
> in/out. That's about it. The box I am using handles the two video encodes
> (and Windows) with no problems. I feel fairly certain that it can handle
> linux and the extra audio encode also.
> - What is the best distro? I prefer kubuntu (if that matters) but am
> willing to try anything.
> - What package(s) will capture video/audio and transmit it online at the
> same time?
> - I have not had a chance to speak with our video broadcast guys about this
> but when I asked about linux drivers the didn't seem to know what I was
> talking about. Any recommendations for a replacement service?
> - What are the best audio/video formats to use?
> I appreciate any help you could offer in advance. I can figure out the
> process myself (hopefully) if someone could point me in the right
> direction. What I have (Windows) works but I would like to move it to open
> source. This is a fairly high visibility project and I think it will
> bolster my case for open source to management if successful. Thanks!
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Cristóbal M. Palmer
UNC-CH SILS Student -- ils.unc.edu/~cmpalmer
TriLUG Vice Chair
"There are many roads to enlightenment, and thus many roads back to
the One True Debian" --crimsun
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