[FFmpeg-devel] [PATCH] libavfilter/af_ambisonic.c Added File for Ambisonic Filter

Paul B Mahol onemda at gmail.com
Sat Mar 11 12:22:02 EET 2017


On 3/11/17, Andy Furniss <adf.lists at gmail.com> wrote:
> Sanchit Sinha wrote:
>> libavfilter/af_ambisonic.c | 139
>
>> +        w=(float *)(*(in->extended_data)+itr);
>> +        x=(float *)(*(in->extended_data+1)+itr);
>> +        y=(float *)(*(in->extended_data+2)+itr);
>> +
>> +        *lf = root8 * (2*(*w)+*x+*y);
>> +        *lb = root8 * (2*(*w)-*x+*y);
>> +        *rb = root8 * (2*(*w)-*x-*y);
>> +        *rf = root8 * (2*(*w)+*x-*y);
>
> Seems a bit misleading to call something ambisonic if all it will
> do is 2d, so partial b-format to (square?) 4 channel.
>
> Why not be more specific in the name so the limitation is clear.

This is just for qualification task. Later filter willl be extended.

It will not be applied as is in tree.


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