On 10/1/23, Ulf Zibis <ulf.zi...@cosoco.de> wrote: > Hi, > > I used the following command on a 155 minute grabbing: > > ffmpeg -video_size 1680x888 -framerate 25 -f x11grab -i :0.0+0,81 -c:v > libx264rgb -crf 0 -preset ultrafast output.mkv > > Assuming, the RGB range is 8 + 8 + 8 bit or 3 byte, I calculate: > > 3 x 25 x 60 x 155 x 1680 x 888 = 1040.6 GByte > > But the file is only 93.7 GByte. > > How can that be ?
Encoder was specified. Lossless encoders can still compress data. > > -Ulf > _______________________________________________ > ffmpeg-user mailing list > ffmpeg-user@ffmpeg.org > https://ffmpeg.org/mailman/listinfo/ffmpeg-user > > To unsubscribe, visit link above, or email > ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe". > _______________________________________________ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
