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Workflow to merge two H.264 files without re-encoding

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Martin Maslo
Workflow to merge two H.264 files without re-encoding
on Oct 11, 2013 at 4:47:41 pm

Hi guys,

I got a 30min H.264 (1080p25, 6.000kbps) movie from my client that needs to have 10 seconds of it changed. These 10 seconds are already edited from the original and are a seperate clip. But how do I put them back to the movie?

Of course I could just make a ProRes 444 from the whole movie, paste the changed clip over it in any editing software and transcode it as H.264 again.

Given the fact that it was converted from H.264, edited and transcoded back to H.264 already once, that's a quite lossy workflow. Still the only one I could think of.

Or is there a possibility to not touch the encoding of the entire movie expect those 10 seconds? Maybe with VirtualDub?

Any good hint would be appreciated!

Cheers,
Martin


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George Goodman
Re: Workflow to merge two H.264 files without re-encoding
on Oct 23, 2013 at 10:19:02 pm

You can do this with mpeg streamclip. Just open the files sequentially to stitch them together and then file>Save As

No recompression - man I love mpeg streamclip!

George


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