[Libav-user] Is it possible to draw a visible static text on H.264 frames without transcoding?

[Carl Eugen Hoyos]

2019-03-25 3:43 GMT+01:00, Wei Weyoin <weyoin at hotmail.com>:

> I’m not an expert on H.264, but AFAIK, maybe we can do a hack
> on the DCT domain of an IDR frame.

I don't know if this is possible in theory, it is certainly not possible
with current FFmpeg.

Carl Eugen