[Libav-user] AVFilter modify parameters

[Paul B Mahol]

On 12/1/17, Ronak <ronak2121-at-yahoo.com at ffmpeg.org> wrote:
> Out of curiosity, is there a reason why the Filters could not be mutable, so
> we can set the gain values dynamically?
>
> Making them immutable makes it that much harder to integrate the library.

As already expained to you, there are filters that supports runtime
change of parameters.

>
>
>> On Nov 26, 2017, at 2:37 PM, Paul B Mahol <onemda at gmail.com> wrote:
>>
>> On 11/26/17, Ronak <ronak2121-at-yahoo.com at ffmpeg.org> wrote:
>>> 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?
>>
>> Yes.
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