On Sun, Nov 8, 2020 at 6:12 PM ZEITFELD <[email protected]> wrote:
> > > Hello nice girls ans guys! > > I have a highspeed camera that records raw data to DNG files. Now I try > to have the fastest possible preview video of what is recorded. I > succeeded using the GPU via FFMPEG, which is absolutely the fastest way > I found until now. > > This is the command line I use: > > FFMPEG -R 25 -F IMAGE2 -I FRAME_%06D.DNG -VCODEC LIBX264 -CRF 25 > -PIX_FMT YUV420P PREVIEW.MP4 > > This gives me a MP4, but the colors are broken, the image is too dark > and green and the quality is very bad, with a lot of banding and > artifacts. > > Does anyone know how to make ffmpeg apply reasonably balanced settings > when reading the DNGs? > Do not under any cost use swscale for this operation. swscale does not support bunch of colorspaces. Use zscale filter instead. > > Thanks a lot! Martin > _______________________________________________ > ffmpeg-user mailing list > [email protected] > https://ffmpeg.org/mailman/listinfo/ffmpeg-user > > To unsubscribe, visit link above, or email > [email protected] with subject "unsubscribe". _______________________________________________ ffmpeg-user mailing list [email protected] https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
