Hallo > > I would suggest that you encode both version one with croping and one > > with setting the active area. And see afterwards if the difference is > > with the calculation. > Problem is that when encoding to a given bitrate, the improvement will > be a subjective visual quality (hard to quantify), not a file size > difference. Maybe I could see if mencoder has a constant quality > setting and see if there is much of a file size difference there. I have encoded the video several time with differnet settings: PAL: 720x576 and a active area of: 700x468+10+52
Using that command: lav2yuv | yuvscaler xxx | yuvdenoise -f | mpeg2enc -f 3 -4 1 -2 1 -q 7 -b 4500 -V 300 -P -g 6 -G 18 -N -o filename.m2v Setting only a active size (xxx = -I ACTIVE_700x468+10+52): I get 102275307 bytes Using the crop version (xxx = -I USE_700x468+10+52 -O SIZE_700x468): I get 105052741 bytes Using the crop scale up version (xxx = -I USE_700x468+10+52): I get: 108484994 bytes In my case the file was bigger. auf hoffentlich bald, Berni the Chaos of Woodquarter Email: [EMAIL PROTECTED] [EMAIL PROTECTED] www: http://www.lysator.liu.se/~gz/bernhard ------------------------------------------------------- This SF.NET email is sponsored by: SourceForge Enterprise Edition + IBM + LinuxWorld = Something 2 See! http://www.vasoftware.com _______________________________________________ Mjpeg-users mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/mjpeg-users
