[Libav-user] Real-time 4k conversion RGB=>YUV is impossibe in FFMPEG ?

Yurii Monakov monakov.y at gmail.com
Sun Aug 21 21:05:47 EEST 2022

Try to use libuyv for color conversion.

пн, 15 авг. 2022 г. в 11:52, Aleksei Komarov <abkomarov at gmail.com>:

> I'm using FFMPEG/sws_scale to convert PixFmt from RGB to YUV(NV12)
> (Without size scaling!) .
> It is really a bottleneck of the encoding process, it is extremely slow!!
> What I'm doing wrong? Should I use another FFMPEG convert method instead
> of sws_scale?
> I've checked the OBS studio source code and found that they use a
> self-written RGB-NV12 converter instead of using FFMPEG/sws_scale.
> With best regards,
> Alex K
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