2016-06-30 21:18:56 +08:00
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.. -*- coding: utf-8; mode: rst -*-
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.. _V4L2-PIX-FMT-SRGGB10:
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2016-07-08 03:16:21 +08:00
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.. _v4l2-pix-fmt-sbggr10:
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.. _v4l2-pix-fmt-sgbrg10:
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.. _v4l2-pix-fmt-sgrbg10:
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2016-06-30 21:18:56 +08:00
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***************************************************************************************************************************
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V4L2_PIX_FMT_SRGGB10 ('RG10'), V4L2_PIX_FMT_SGRBG10 ('BA10'), V4L2_PIX_FMT_SGBRG10 ('GB10'), V4L2_PIX_FMT_SBGGR10 ('BG10'),
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***************************************************************************************************************************
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V4L2_PIX_FMT_SGRBG10
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V4L2_PIX_FMT_SGBRG10
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V4L2_PIX_FMT_SBGGR10
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10-bit Bayer formats expanded to 16 bits
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Description
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===========
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These four pixel formats are raw sRGB / Bayer formats with 10 bits per
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colour. Each colour component is stored in a 16-bit word, with 6 unused
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high bits filled with zeros. Each n-pixel row contains n/2 green samples
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and n/2 blue or red samples, with alternating red and blue rows. Bytes
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are stored in memory in little endian order. They are conventionally
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described as GRGR... BGBG..., RGRG... GBGB..., etc. Below is an example
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of one of these formats
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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, high 6 bits in high bytes are 0.
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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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- B\ :sub:`00low`
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- B\ :sub:`00high`
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- G\ :sub:`01low`
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- G\ :sub:`01high`
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- B\ :sub:`02low`
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- B\ :sub:`02high`
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- G\ :sub:`03low`
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- G\ :sub:`03high`
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- .. row 2
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- start + 8:
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- G\ :sub:`10low`
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- G\ :sub:`10high`
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- R\ :sub:`11low`
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- R\ :sub:`11high`
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- G\ :sub:`12low`
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- G\ :sub:`12high`
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- R\ :sub:`13low`
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- R\ :sub:`13high`
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- .. row 3
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- start + 16:
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- B\ :sub:`20low`
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- B\ :sub:`20high`
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- G\ :sub:`21low`
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- G\ :sub:`21high`
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- B\ :sub:`22low`
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- B\ :sub:`22high`
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- G\ :sub:`23low`
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- G\ :sub:`23high`
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- .. row 4
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- start + 24:
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- G\ :sub:`30low`
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- G\ :sub:`30high`
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- R\ :sub:`31low`
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- R\ :sub:`31high`
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- G\ :sub:`32low`
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- G\ :sub:`32high`
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- R\ :sub:`33low`
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- R\ :sub:`33high`
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