[FFmpeg-devel] [PATCH] avfilter: port qp filter from libmpcodecs

[Derek Buitenhuis]

On 9/19/2013 12:57 AM, Paul B Mahol wrote:
> + at table @option
> + at item qp
> +Set expression for quantization parameter.
> + at end table
> +
> +The expression is evaluated through the eval API and can contain, among others,
> +the following constants:

This doesn't really make clear what it does of why it's useful...

- Derek