[MPlayer-users] splitting avi output

[marcogi at libero.it]

On 17 Jun 2002, SMuelas wrote:

> [Automatic answer: RTFM (read DOCS, FAQ), also read DOCS/bugreports.html]
> On Mon, 2002-06-17 at 09:54, vin.gui wrote:
> > [Automatic answer: RTFM (read DOCS, FAQ), also read DOCS/bugreports.html]
> > I want to make a avi file that would fit on 2 cds.
> > I successfully encoded a dvd into a 1400MB avi file,
> > then I used avisplit to split it, but the audio is way out
> > of sync. I read somewhere that constant bitrate mp3 was required
> > but this is what I used.
> > At transcode-users mailing list, they say that
> > avisplit cannot split anything that is not produced by transcode...
> > 
> > Is there a way to make mencoder split the avi file ?
> > Or can anybody indicate me an alternate solution (under linux)?
> 
> Always think in MPlayer and/or Mencoder.
> Yes, you can split your avi file in two. Just look at the precise time
> when you want the second part to begin (or the first to finish) and
> write:   "mencoder -ovc copy -oac copy -ss 01:05:23 -o YourFile2.avi
> YourFile.avi"
> This for the case that you want the second part to begin after one hour,
> five minutes and twenty three seconds (as read on your OSD).
> 
> With that, you will have the second half. Now, lets go to the first
> part. For that you must use (as long as I now and have done) the
> "-frames" capability of mencoder. Play your file with mplayer and yo to
> the place you want to cut your file (in the example: 01:05:23). Click
> the space key to pause the movie and look to the frame-number in the
> output of mplayer. Take a note and write:
> "mencoder -ovc copy -oac copy -frames 98075 -o YouFile1.avi
> YourFile.avi"
> 
> The last number is the one that you must have noted. You can always
> obtain it (as you have 25 frames per second if a standard avi) using:
> (hours x 3600 + minutes x 60 + seconds) x 25 = your number of frames.
> 
> With that, you must obtain your two files. Try it and if it doesn't
> work, do not blame anyone of the MPlayer team. Just me. :-)

For first chunk you can use:
mencoder -oac copy -ovc copy -endpos 700mb -o first_chunk.avi bigfile.avi
too.

--
Regards,  Marco Gigante
Student at Pisa University - Computer Engineering