[Libav-user] AVFilter modify parameters

Paul B Mahol onemda at gmail.com
Sun Dec 17 17:51:08 EET 2017

On 12/7/17, Paul B Mahol <onemda at gmail.com> wrote:
> On 12/6/17, Ronak <ronak2121-at-yahoo.com at ffmpeg.org> wrote:
>> Hi Paul,
>> Before I send you the changes, I'm noticing some crackling in the audio
>> while I modify the gain on any one frequency band during playback.
>> I am assuming this has to do with the changes I made, and possibly a race
>> condition or something similar.
>> I'm wondering if you would have any ideas why something like this would
>> happen.
>> I'm attaching the file where I made changes (the af_biquads.c file).
>> Would
>> you be able to point me to what could possibly cause this?
> Probably memset of cache.

I added commands support for all biquads filters and tested gain
command and it works
without crackling.

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