[FFmpeg-user] Encoding from video input results in damaged video

Moritz Barsnick barsnick at gmx.net
Tue Jan 26 12:56:00 CET 2016

On Tue, Jan 26, 2016 at 11:21:37 +0100, Karl Karpfen wrote:
> What I can see during encoding are a lot of these outputs;

Did you even read the mail you replied to?

This may be somewhat useful for analysis for someone who knows the
> [alsa @ 0x9194c0] ALSA buffer xrun. 1131kB time=00:00:03.16
> bitrate=2922.2kbits/s dup=32 drop=0

But Lou actually requested:
> 2016-01-25 18:58 GMT+01:00 Lou <lou at lrcd.com>:
> > There is not enough information here to provide any answers. You should
> > include the complete console output from your ffmpeg command. Also, the
> > output of "v4l2-ctl --list-formats-ext" will provide useful info.
> >
> > What player did you test? Does it make a difference if you omit the
> > audio?

That info (command line, console output) is very useful for debug. Also
the other questions Lou asked.


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