[FFmpeg-user] libutvideo causes Segmentation fault

[Peter B.]

On 03/10/2013 09:49 PM, Johann Rekowski wrote:
> So I tried FFV1, it encodes in one thread and produces only 10 fps,
> instead of the requested 30 fps. I have tried several options like
> "-threads 8" and "-slices 8". Threads was ignored and slices threw out
> following error:
>
> Input:
> ffmpeg -f x11grab -r 30 -s 1920x1080 -i :0.0 -vcodec ffv1 -slices 8
> output.avi
>
> Output:
> [ffv1 @ 0x25f2000] Version 2 needed for requested features but version
> 2 is experimental and not enabled
>
> How do I enable version 2?
> It seems I have to stick to utvideo codec for now.
Version 2 was skipped, because it got superseeded by version 3 before
its official release.
Therefore try something like that:

"ffmpeg -f x11grab -r 30 -s 1920x1080 -i :0.0 -vcodec ffv1 -strict
experimental -level 3 -g 1 -slices 24 -threads 8 output.avi"


Regards,
Pb