[FFmpeg-user] Video corruption when transcoding on new computer

Michael Kohne mhkohne at moberg.com
Tue Jun 9 17:01:57 EEST 2020

Thank you.
My apologies for not going to the latest before posting here. I should know
this by now. I even have targets in the makefile for building the git

nonfree - left from an experiment with AAC, perhaps? Definitely needed to
cpudetect - not sure why I thought I need it. Perhaps because I specified
the cpu? I've also removed that because...it's not helping if I'm runtime

I'm pretty sure the extra-ldflags have to do with strange layout choices in
my build tree.
If you properly install the libraries into your system, I don't think that
it is needed. I don't do so because I'm afraid of interfering with other
system components.
Yes, that does mean we have bigger problems (so many problems).

Switching to the latest code seems to have fixed the issue, so I can
continue for now and get past this.
After I get this bit finished up, I'll be going on to switching in new
(The reason we use these is an entire backward compatibility cluster****
that I don't want to talk about. We're getting better, but not quickly.).

Again, thank you for your help.

With best regards

Michael Kohne


Office + x208 | www.moberg.com

On Mon, Jun 8, 2020 at 2:34 PM Carl Eugen Hoyos <ceffmpeg at gmail.com> wrote:

> Am Mo., 8. Juni 2020 um 16:31 Uhr schrieb Michael Kohne via
> ffmpeg-user <ffmpeg-user at ffmpeg.org>:
> > I'm working with ffmpeg 4.2.3 that I built myself.
> Please test current FFmpeg git head, the only version
> supported on this mailing list.
> Unrelated: --enable-nonfree has only disadvantages for you,
> no advantages. --enable-runtime-cpudetect is the default
> and does not do what you think it does, remove it. If the
> extra-ldflags are needed, this could indicate a bug that I
> would like to know more about.
> And please test with file input.
> Oh, and please test with a sane compiler version, yours
> is antique (and if there is an issue, your compiler is a
> likely reason).
> Carl Eugen
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