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

[Paul B Mahol]

On 9/19/13, Derek Buitenhuis <derek.buitenhuis at gmail.com> wrote:
> 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...

If I know I would write one.

Documentation in mplayer is also non-existent.