[libav-tools] Invalid pixel format string '-1' on overlay

Luca Barbato lu_zero at gentoo.org
Mon May 25 20:00:25 CEST 2015


On 24/05/15 04:49, Timm Murray wrote:
> I'm trying to combine two videos.  One is an avi with h264, and the other
> is a mov with transparent pngs for a graphical overlay.
>
> I'm combining them with:
>
> avconv -i ${INPUT_VID} -i ${OVERLAY_VID} -filter_complex 'overlay' -b:v
> 8000000 ${OUTPUT_VID}
>
> This results in:
>
> ===========
> avconv version 9.18-6:9.18-0ubuntu0.14.04.1, Copyright (c) 2000-2014 the
> Libav developers

Could you please update to version 11?

lu



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