[FFmpeg-devel] [WIP][PATCH] avfilter: add video oscilloscope filter

[Paul B Mahol]

On 4/26/17, Dave Rice <dave at dericed.com> wrote:
>
>
> I'm curious why floats are used for x,y coordinates within a frame rather
> than integers.

So it the position be set relatively. And for similar results for
different resolutions.

>
>
> It appears that the plotted scope is padded to 300, though the trace usually
> is 256 (2^8) lines tall. Are the other 44 lines intended to store something?
>

Yes, some statistics numbers.