add man pages

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.TH OXFRAME 1 "Aug 12, 2012"
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.SH NAME
oxframe \- command-line tool to extract frames from videos.
.SH SYNOPSIS
.B oxframe
.RI [options]
.SH DESCRIPTION
This manual page documents the \fBoxframe\fP command.
.PP
oxframe can extract frames from Ogg Theora and WebM videos
and resize them to a given width or height.
.SH OPTIONS
.TP
.B \-h, \-\-help
show help message and exit
.TP
.B \-x WIDTH, \-\-width=WIDTH
scale image to given width
.TP
.B \-y HEIGHT, \-\-height=HEIGHT
scale image to given height
.TP
.B \-p POS, \-\-pos=POS
frame position in seconds, float
.TP
.B \-i INPUT, \-\-input=INPUT
video input
.TP
.B \-o OUTPUT, \-\-output=OUTPUT
path to save frame to, jpg, png supported
(defaults to png)
.TP
.B \-f FORMAT, \-\-output=FORMAT
output format, jpg or png
if not provided detected from output extension

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.TH OXPOSTERFRAME 1 "Aug 12, 2012"
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.SH NAME
oxposterframe \- command-line tool to extract frames from videos.
.SH SYNOPSIS
.B oxposterframe
.RI [options]
.SH DESCRIPTION
This manual page documents the \fBoxposterframe\fP command.
.PP
oxposterframe can extract frames from Ogg Theora and WebM videos
and resize and pan\-zoom them to a square image with a given size.
.SH OPTIONS
.TP
.B \-h, \-\-help
show help message and exit
.TP
.B \-x SIZE, \-\-size=SIZE
scale image to size
.TP
.B \-p POS, \-\-pos=POS
frame position in seconds, float
.TP
.B \-i INPUT, \-\-input=INPUT
video input
.TP
.B \-o OUTPUT, \-\-output=OUTPUT
path to save frame to, jpg, png supported