[FFmpeg-user] Ffmpeg Concat Images failure

[Vivek Jain]

Thank you Nicolas and Cley. Much appreciate your help..

On Sat, Jul 9, 2016 at 7:04 PM, Nicolas George <george at nsup.org> wrote:

> Le duodi 22 messidor, an CCXXIV, Cley Faye a écrit :
> > > Below is the output. I see the below 2 files which errors out are PNG
> > > whereas others are JPEG. I guess that's an issue?
> >
> > I'm still learning about ffmpeg, but what I know is that concat expect
> all
> > the files to have roughly the same layout and codecs. As it is, it is
> > decoding all your files using what's found in the first file (a jpeg), so
> > all your files must be jpegs.
> > The same thing happen if you use concat with multiple files with clashing
> > audio settings (different rates, different channel layouts, etc): the
> > output is garbled (or just fail to process).
> >
> > Also, although it doesn't matter here, you might want to avoid naming
> your
> > files ".png" if they really are jpegs...
>
> That would have been almost exactly my answer. That was in fact the issue I
> suspected when asking for the file output.
>
> I would suggest to re-generate all the files as actual PNGs, since PNG is
> lossless.
>
> Regards,
>
> --
>   Nicolas George
>
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-- 
Thanks,
Vivek