Thanks for the answer.
Yes, I tried to configure for mjpeg
if (!(pInpCdcCtx = avcodec_alloc_context3(pInpCdc)))
{
PrintError("Error allocate decoder context", (rt = AVERROR(ENOMEM)));
return rt;
}
pInpCdcCtx->thread_count = 4;
and after your answer I added
if (!(pSwsCtx = sws_getContext(pInpCdcCtx->width, pInpCdcCtx->height,
pInpCdcCtx->pix_fmt,
pOutCdcCtx->width, pOutCdcCtx->height,
pOutCdcCtx->pix_fmt,
SCALE_FLAGS, NULL, NULL, NULL)))
{
PrintError("Error initialize the conversion context", (rt =
AVERROR(ENOMEM)));
return rt;
}
else
av_opt_set_int(pSwsCtx, "threads", 20, 0);
But there is no effect, what am I doing wrong?
>Have you tried setting "threads" option to the sws_scale context? And to
>the codec context?
>
>See:
>
>https://git.ffmpeg.org/gitweb/ffmpeg.git/blob/HEAD:/libavfilter/vf_scale.c#l546
>
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