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	blind-rewrite-head.1 - blind - suckless command-line video editing utility
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	blind-rewrite-head.1 (1498B)
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	1 .TH BLIND-REWRITE-HEAD 1 blind
	2 .SH NAME
	3 blind-rewrite-head - Rewrite the head of a video
	4 .SH SYNOPSIS
	5 .B blind-rewrite-head
	6 [-h]
	7 .I file
	8 .RI [( frames
	9 \|
	10 .RB ' auto ')
	11 .RI [( width
	12 \|
	13 .RB ' same ')
	14 .RI ( height
	15 \|
	16 .RB ' same ')
	17 .RI [ format
	18 \|
	19 .RB ' same ']]]
	20 .SH DESCRIPTION
	21 .B blind-rewrite-head
	22 rewrites the head in the video
	23 .IR file .
	24 .I file
	25 must be a regular file. The new
	26 head will specify the choosen number of
	27 .IR frames ,
	28 the choosen
	29 .I width
	30 and
	31 .IR height ,
	32 and the choosen pixel
	33 .IR format .
	34 If
	35 .B ' same '
	36 is choosen as the
	37 .IR width ,
	38 .IR height ,
	39 or
	40 .IR format ,
	41 .B blind-rewrite-head
	42 will use the values specified in
	43 .IR file 's
	44 head. If
	45 .B ' auto '
	46 is choosen as the number of
	47 .IR frames ,
	48 the number of frames will be calculated from
	49 the length of the file, its geometry, and
	50 pixel format.
	51 .SH OPTIONS
	52 .TP
	53 .B -h
	54 Used if the video file does not have a head.
	55 This of course means that
	56 .RB ' same '
	57 cannot be used as there is not way to know
	58 the geometry or format of the video if it does
	59 not have a head.
	60 .SH RETIONALE
	61 .B blind-rewrite-head
	62 only support regular files because combining
	63 .BR blind-read-head (1),
	64 .BR blind-write-head (1),
	65 and
	66 .BR cat (1)
	67 is sufficient for doing the same operation on pipes,
	68 but not on regular files that are too large to store
	69 two copies of on disc.
	70 .SH SEE ALSO
	71 .BR blind (7),
	72 .BR blind-from-video (1),
	73 .BR blind-split (1),
	74 .BR blind-read-head (1),
	75 .BR blind-write-head (1),
	76 .BR blind-transpose (1)
	77 .SH AUTHORS
	78 Mattias Andrée
	79 .RI < [email protected] >