[FFmpeg-user] how to overlay video frame info on output

[Paul B Mahol]

Dana 11. 9. 2015. 14:25 osoba "郑建峰" <163jogh at 163.com> napisala je:
>
> Hi,
>
>
> I know "-vf showinfo" can "Show a line containing various information for
each input video frame. The input video is not modified."
> What if I want the output frame to be modified? Is there any method to
overlay the frame's info on the video frames?
>

You can modify source to enable metadata for showinfo filter and than use
drawtext to draw it over video.

>
> Thanks,
> Jogh
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