[FFmpeg-user] Minimum configuration settings for ffprobe-only

[Eugene Gekhter]

On Mon, Mar 31, 2014 at 10:29 AM, Carl Eugen Hoyos <cehoyos at ag.or.at> wrote:

> Eugene Gekhter <egekhter <at> pixcel.com> writes:
>
> > > Apart from what James wrote (which is 100% correct):
> > > Why do you think ffprobe knows what kind of files
> > > ffmpeg can decode?
> >
> > I would guess because all the decoding libraries are
> > dependencies?
>
> (There is only one decoding library, it depends only in
> a few cases on external libraries.)
> What I meant was that just because ffprobe tells you
> what's in a file doesn't mean ffmpeg can decode it: Think
> of interlaced vc-1 before this was implemented.
>
> Carl Eugen
>
>
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I'm aware of this - for example it can read a canopus hqx .avi  and know
the codec parameters, but the last line of the ouput will be unsupported
codec at stream 0. We can depend on the logic if that message does not
appear, then that file can be used by "ffmpeg -i ..." ?