+ H2( " --frame-packing <integer> For stereoscopic videos define frame arrangement\n"
+ " - 0: checkerboard - pixels are alternatively from L and R\n"
+ " - 1: column alternation - L and R are interlaced by column\n"
+ " - 2: row alternation - L and R are interlaced by row\n"
+ " - 3: side by side - L is on the left, R on the right\n"
+ " - 4: top bottom - L is on top, R on bottom\n"
+ " - 5: frame alternation - one view per frame\n" );