[FFmpeg-user] Extract frames from an AVI and then frames to AVI

[Virgil Stokes]

On 08-Aug-14 18:10, Moritz Barsnick wrote:
> Hi Virgil,
>
> On Fri, Aug 08, 2014 at 17:43:40 +0200, Virgil Stokes wrote:
>> I would like to know a method that could be used to first, extract frames from
>> an AVI file
> $ ffmpeg -i in.avi -f image2 image%05d.png
>
>> and then reconstruct the AVI from these extracted frames.
> $ ffmpeg -f image2 -i image%05d.png out.avi
>
> This is just a very simple example.
>
> Note that it only partially "reconstructs". Sound isn't taken into
> consideration, and you're losing all information about frame timing,
> which is relevant amongst others for fps, variable frame rates, and
> audio sync.
>
> You also need to tune your video codec and its quality. And possibly
> the fps...
>
> Moritz
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Thanks Moritz,
I am trying to learn more about the options that might apply to my 
problem. I have looked at the "header" information in my AVIs and 
perhaps with some experimentation, I will be able to reconstruct a 
"close" AVI from the extracted frames.

--V