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Old 08-31-2004, 07:06 AM   #1
salmjuh
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Registered: Aug 2004
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Need to capture 24h program and make HTTP link to it different times


Hi gurus


So I need to capture NON STOP program and "split" it to different parts.

Lets say my recording starts at 00:00 am and stop 11.59 pm every day. OK, now I have one big video file which is fine.

But lets say I need to play the part of the video directly from the file starting at the point of 10:15 am. And next I need to start it playing from point of 4:12 pm.

How I can do this? Which video format (mpeg2? /divX / dvd) I need to use and how I can make a link (HTTP if possible) to middle of the video file ? Real time code is good for me.

Thanks advance
Jussi
 
Old 08-31-2004, 07:46 AM   #2
rjlee
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Registered: Jul 2004
Distribution: Ubuntu 7.04
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I don't know if this is the best way of dealing with this problem, but I would do this:

— Use any reasonable format to encode the video (MPEG or Ogg Vorbis or whatever)
— Write a CGI script wrapper for mencoder, a part of the mplayer package (http://www.mplayerhq.hu). Mencoder is a video conversion tool, driven from the command-line. You can specify any portion of the file to encode, and choose the output encoder using “-ovc copy -oac copy”. This will cause it to copy the raw video data rather than actually converting it.
— Point the HTML link to the mencoder CGI, and have the CGI return the generated video stream, preceded by “content-type: video/mpeg\n\n” (or whatever the MIME type should be). Pass the start times to the CGI as parameters.

Look at the Perl module CGI.pm for an easy way to write CGI scripts using Perl.

Hope that helps,

— Robert J. Lee
 
  


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