[Libav-user] AVFilter modify parameters

Ronak ronak2121 at yahoo.com
Sun Nov 26 21:24:43 EET 2017


I see. I'm using the treble, bass and equalizer filters. And the user should have the ability to manipulate the gain at run time...

So, is the best thing to do to destroy and recreate the AVFilterGraph then?


> On Nov 26, 2017, at 2:19 PM, Paul B Mahol <onemda at gmail.com> wrote:
> 
> On 11/26/17, Ronak <ronak2121-at-yahoo.com at ffmpeg.org> wrote:
>> Hi Paul,
>> 
>> Do you have any examples of what kinds of commands I could send to the
>> filter to manipulate the gain?
> 
> Depends what filter you wanna use.
> 
> AFAIK only anequalizer, firequalizer and ladspa wrapper filter provide
> such commands.
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