[FFmpeg-user] bwdif filter question

[Paul B Mahol]

On Wed, Sep 16, 2020 at 02:58:25PM +0100, Mark Himsley wrote:
> On Mon, 14 Sep 2020 at 15:42, Mark Filipak (ffmpeg) <markfilipak at bog.us> wrote:
> >
> > Is the input to the bwdif filter fields or frames?
> 
> The input to every filter in a filter chain is a raster of pixels.
> That raster may contain one frame or two fields.
> The bwdif filter will interpret a single raster and is designed to
> output two rasters, each containing one or the other of the fields
> that were contained in the input raster.

It also can contain only single fields.