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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