Re: [Condor-users] Rendering

[Jessica Najem <jessika.najem@xxxxxxxxxxx>]

Hi Nicholas , I was wondering if this command can help u to split a video
from a time x to a time y using ffmpeg :
ffmpeg -i input.mpg -sameq -ss 00:02:00 -t 00:02:00 output.mpg.
or by using a bash script that could lead to the same point.
Following Edier and Thomas  steps , I guess that splitting a video must be
done with condor while using the command condor_submit  .
Can anyone help us to find  a solution for this task?  
Tks .
Jessica.

-----Original Message-----
From: condor-users-bounces@xxxxxxxxxxx
[mailto:condor-users-bounces@xxxxxxxxxxx] On Behalf Of Thomas Luff
Sent: Thursday, March 29, 2012 9:16 AM
To: Condor-Users Mail List
Subject: Re: [Condor-users] Rendering

I'm clueless on rendering but using the below approach mentioned by Edier
you could do something like follows

split video.avi into x parts. each with the name video.1.avi, video.2.avi,
video.n.avi or similar

Then your condor submit file would like

# ffmpeg Submit File
Universe=Vanilla
Should_Transfer_Files = Yes
When_To_Transfer_Output = ON_EXIT_OR_EVICT Transfer_Executable=false
Executable=ffmpeg Log=Global_Job_Log.txt

Arguments= "-arg 1 -arg 2"
Input = video.$(PROCESS).avi
Error=Error.$(PROCESS).txt
Queue 10


The `Queue 10` will then submit 10 jobs, each with the same Cluster ID but a
different Process ID, then `$(PROCESS)` will be expanded to the job's
process id, and only fetch that video part.

Obviously `Queue 10` can be substituted for however many video parts you may
have.

It may also be worth looking at
http://www.cirquedigital.com/products/gdiqueue/ - A tool built on top of
condor that claims "Distributed rendering made easy".

Tom
________________________________________
From: condor-users-bounces@xxxxxxxxxxx [condor-users-bounces@xxxxxxxxxxx] On
Behalf Of Edier Zapata [edalzap@xxxxxxxxx]
Sent: 28 March 2012 23:40
To: Nicolas Nassif
Cc: condor-users
Subject: Re: [Condor-users] Rendering

Assuming you have ffmpeg in all your nodes I think you could run something
like this:
#
# ffmpeg Submit File
#
Universe=Vanilla
should_transfer_files = Yes
when_to_transfer_output = ON_EXIT_OR_EVICT transfer_executable=false
Executable=ffmpeg Log=Global_Job_Log.txt

Arguments= "Your arguments + Your Video File to 1st Run"
Input = You_Video_File
Output=File_To_Save_Output$(process) # Maybe you don't need this one.
Error=Error$(process).txt
queue

Arguments= "Your arguments + Your Video File to 2nd Run"
Input = You_Video_File
Output=File_To_Save_Output$(process) # Maybe you don't need this one.
Error=Error$(process).txt
queue
.
.
.
# End of Submit File
condor_submit submit.condor (I recommend make a folder and save the submit
file, and other required file in it, and run condor_submit from there)

Bye.
On Wed, Mar 28, 2012 at 5:22 PM, Nicolas Nassif
<nicolas-nassif@xxxxxxxx<mailto:nicolas-nassif@xxxxxxxx>> wrote:

Am using ffmpeg in my centos,i need to run a job(that job is to submit a
video on 2 machines running centos to see the time) If u have other programs
that r similar to that job plz let me know And how it can be submitted Thank
u

On 29 Mar 2012, at 12:36 AM, "Edier Zapata"
<edalzap@xxxxxxxxx<mailto:edalzap@xxxxxxxxx>> wrote:

Hi Nicholas,
1. which program will you use to render the video? ffmpeg?
2. That program have Linux and Windows version?
3. Explicitly what do you mean by Render a video?
    Can you paste an example of the command you use to render it manually?

Bye.

On Wed, Mar 28, 2012 at 7:16 AM, Nicolas Nassif
<nicolas-nassif@xxxxxxxx<mailto:nicolas-nassif@xxxxxxxx>> wrote:
Hi,
I have created my condor pool,that contains 6 cpu's running on centos and
windows. My task is to render a video using condor_submit,but i don't know
how,if can any one help me.
N.B:i installed on centos(VM) ffmpeg and vlc.
Thank you.
Nicolas
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--
Edier Alberto Zapata Hernández
Ingeniero de Sistemas
Universidad de Valle



--
Edier Alberto Zapata Hernández
Ingeniero de Sistemas
Universidad de Valle

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