[FFmpeg-devel] [RFC] DV encoding interface issues

Roman V Shaposhnik rvs
Mon Jul 13 19:04:34 CEST 2009

On Mon, 2009-07-13 at 00:28 -0700, Jason Garrett-Glaser wrote:
> A bug report by a user in #ffmpeg today (and my investigation) came up
> with the following two issues:
> 1.  If a user is encoding DV video and his height, width, and pix_fmt
> don't match one of the profiles, ffmpeg terminates with no error
> message except "Video encoding failed," telling the user nothing about
> what went wrong.

And what would you expect? DV is a fixed format in that sense. You
either encode with a particular -target or it fails. Or are you talking
exclusively about better error reporting?

> 2.  Furthermore, if the user's pix_fmt is, for example, yuv420p, but
> the height and width match an allowed profile (e.g. 1440x1080), it
> will *still* terminate rather than perform the colorspace conversion.
> What's the proper way to deal with these issues?

I'm not sure where this is going but even if it gets to be perceived as
an issue worth addressing it is clearly an ffmpeg.c issue.


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