2017-07-10 20:23 GMT+08:00 qw <[email protected]>:
> Hi,
>
> I have checked ffmpeg supported filters, where overlay can put one video on
> the top of another, and amix can mix multiple audio streams into one stream.
>
> Is there any video filter that can put images from several video streams on
> the top of one video stream image?
do you mean overlay ,amix amerge?
>
> Thanks!
>
> Regards
>
> Andrew
>
>
>
>
>
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