2016-06-30 21:18:56 +08:00
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.. -*- coding: utf-8; mode: rst -*-
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.. _V4L2-PIX-FMT-SGRBG8:
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****************************
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V4L2_PIX_FMT_SGRBG8 ('GRBG')
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****************************
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Bayer RGB format
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Description
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===========
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This is commonly the native format of digital cameras, reflecting the
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arrangement of sensors on the CCD device. Only one red, green or blue
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value is given for each pixel. Missing components must be interpolated
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from neighbouring pixels. From left to right the first row consists of a
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green and blue value, the second row of a red and green value. This
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scheme repeats to the right and down for every two columns and rows.
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2016-07-05 00:58:01 +08:00
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**Byte Order.**
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2016-06-30 21:18:56 +08:00
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Each cell is one byte.
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[media] docs-rst: add tabularcolumns to all tables
LaTeX doesn't handle too well auto-width on tables, and ReST
markup requires an special tag to give it the needed hints.
As we're using A4 paper, we have 17cm of useful spaces. As
most media tables have widths, let's use it to generate the
needed via the following perl script:
my ($line_size, $table_header, $has_cols) = (17.5, 0, 0);
my $out;
my $header = "";
my @widths = ();
sub round { $_[0] > 0 ? int($_[0] + .5) : -int(-$_[0] + .5) }
while (<>) {
if (!$table_header) {
$has_cols = 1 if (m/..\s+tabularcolumns::/);
if (m/..\s+flat-table::/) {
$table_header = 1;
$header = $_;
next;
}
$out .= $_;
next;
}
$header .= $_;
@widths = split(/ /, $1) if (m/:widths:\s+(.*)/);
if (m/^\n$/) {
if (!$has_cols && @widths) {
my ($tot, $t, $i) = (0, 0, 0);
foreach my $v(@widths) { $tot += $v; };
$out .= ".. tabularcolumns:: |";
for ($i = 0; $i < scalar @widths - 1; $i++) {
my $v = $widths[$i];
my $w = round(10 * ($v * $line_size) / $tot) / 10;
$out .= sprintf "p{%.1fcm}|", $w;
$t += $w;
}
my $w = $line_size - $t;
$out .= sprintf "p{%.1fcm}|\n\n", $w;
}
$out .= $header;
$table_header = 0;
$has_cols = 0;
$header = "";
@widths = ();
}
}
print $out;
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-08-17 19:14:19 +08:00
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2016-06-30 21:18:56 +08:00
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.. flat-table::
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:header-rows: 0
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:stub-columns: 0
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- .. row 1
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- start + 0:
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- G\ :sub:`00`
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- R\ :sub:`01`
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- G\ :sub:`02`
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- R\ :sub:`03`
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- .. row 2
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- start + 4:
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- B\ :sub:`10`
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- G\ :sub:`11`
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- B\ :sub:`12`
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- G\ :sub:`13`
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- .. row 3
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- start + 8:
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- G\ :sub:`20`
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- R\ :sub:`21`
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- G\ :sub:`22`
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- R\ :sub:`23`
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- .. row 4
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- start + 12:
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- B\ :sub:`30`
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- G\ :sub:`31`
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- B\ :sub:`32`
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- G\ :sub:`33`
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