y4mcolorbars(1) MJPEG tools manual y4mcolorbars(1) (NAME) y4mcolorbars - YUV4MPEG2 (SYNOPSIS) y4mcolorbars [options] (DESCRIPTION) y4mcolorbars YUV4MPEG2 . SMPTE EG-1-1990 Y'CbCr . stdout (pipe) MJPEG . (OPTIONS) y4mcolorbars : -n num 'num' . [: 1] -F n:d . : 24000:1001 - 3:2 pulldown NTSC 24:1 - (native) 25:1 - PAL/SECAM 30000:1001 - NTSC [] 50:1 - PAL 60000:1001 - NTSC -W w . [: 720] -H h . [: 480] -A n:d . : 1:1 - ( ) 10:11 - CCIR-601 NTSC [] 59:54 - CCIR-601 PAL -I x (interlacing) () PPM . p - (progressive) [] t - (top/upper-field-first) b - (bottom/lower-field-first) -Q n "-I/+Q" : 0 - -I +Q 20% (20IRE) [] 1 - -I +Q 50% (50IRE) 2 - +Cb +Cr 100% -S mode (chroma subsampling). 444 - 4:4:4 ( ) [] 420jpeg - 4:2:0 JPEG/MPEG-1 420mpeg2 - 4:2:0 MPEG-2 4:4:4 ( y4mscaler(1)) . -v [0,1,2] (verbosity). 0 - . 1 - . [] 2 - . (EXAMPLES) 200 4:3 NTSC : y4mcolorbars -n 200 -It -S 420jpeg | yuvplay 200 4:3 PAL : y4mcolorbars -n 200 -H 576 -F 25:1 -A 59:54 -Ib | yuvplay (BUGS) ( SMPTE EG-1-1990 ) -I +Q . PLUGE -4 +4 IRE --- Y' [16,235] (luma) 7.5 IRE NTSC . Y' . (AUTHOR) Matt Marjanovic . MJPEG : mjpeg-users@lists.sourceforge.net : http://mjpeg.sourceforge.net (SEE ALSO) mjpegtools(1), mpeg2enc(1), y4mscaler(1), yuv2lav(1), yuvplay(1) MJPEG Tools Team 28 April 2004 y4mcolorbars(1)