Hello, I have multiple folders with a lot of DNGs inside, coming from my highspeed camera. I need to have a preview of what was recorded as fast as possible. So I tried FFMPEG, which uses the GPU for conversion and that is really fast. FFMPEF reads DNGs directly to stream them into a MP4. 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
However the colors are really bad greenish, the image is to dark and there is a lot of banding. Does anyone know a way to make FFMPEG create MP4 from read DNGs with reasonably better quality? Thanks!
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