This problem is now fixed in latest ffmpeg git/svn.
On Tue, Sep 29, 2009 at 09:20:11AM -0700, Dan Dennedy wrote:
> Lately, FFmpeg has been changing their format "probing" tests, in
> particular, for DV. I see you are using a very recent version. You
> must have caught it at a bad time.
Yes, I was unlucky but time frame is a few weeks.
Bad or maybe too strict commit is:
commit 0388e2337fc26764c1137e87ed58922d3b7f35b2
Author: reimar <rei...@9553f0bf-9b14-0410-a0b8-cfaf0461ba5b>
Date: Mon Sep 14 22:03:07 2009 +0000
Try harder to avoid false positives for DV probe.
Require at least one signature match per provided 1MB of probe data,
and if there is only a single match, return at most MAX/4.
Fixes issue1382 but could/should probably still be improved.
git-svn-id: file:///var/local/repositories/ffmpeg/tr...@19848
9553f0bf-9b14-0410-a0b8-cfaf0461ba5b
And fix:
commit 953dfa8b5956155dd25b4472f02531c47bdbeb06
Author: reimar <rei...@9553f0bf-9b14-0410-a0b8-cfaf0461ba5b>
Date: Tue Sep 29 10:12:18 2009 +0000
Extend DV autodetection to also reliably detect single-frame DVs with
a higher score that MAX/4.
It checks that there are at least 10 DIF headers and at least one per
24000 bytes, and if so considers the file reliably detected as DV.
Passes probetest, too.
git-svn-id: file:///var/local/repositories/ffmpeg/tr...@20074
9553f0bf-9b14-0410-a0b8-cfaf0461ba5b
> > But how to tell that to ffplay or applications like mlt/kdenlive who use
> > ffmpeg libraries?
>
> Not possible in Kdenlive, but MLT perhaps. You will have to try:
>
> $ melt test2.dv f=dv
I'm not sure how clean my packages are anymore, but now melt plays the
files while ffplay and ffmpeg fail, this is without specifying the dv
format.
> If it works, for Kdenlive:
>
> $ melt test2.dv f=dv -consumer xml:test2.mlt
>
> Now load the .mlt as a clip in Kdenlive.
This trick is nice to know, thanks.
-Mikko
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