blind-primary-key: add -k - blind - suckless command-line video editing utility
HTML git clone git://git.suckless.org/blind
DIR Log
DIR Files
DIR Refs
DIR README
DIR LICENSE
---
DIR commit b3bb5072aba43dde81ef4a8364005f5aa0fe0d15
DIR parent 44183c3da6987386829d8e9e2a50b8a62508d503
HTML Author: Mattias Andrée <maandree@kth.se>
Date: Sun, 23 Jul 2017 21:55:07 +0200
blind-primary-key: add -k
Signed-off-by: Mattias Andrée <maandree@kth.se>
Diffstat:
M blind-primary-key | 48 ++++++++++++++++++++++++-------
M man/blind-primary-key.1 | 5 ++++-
2 files changed, 41 insertions(+), 12 deletions(-)
---
DIR diff --git a/blind-primary-key b/blind-primary-key
@@ -14,11 +14,12 @@ x=x; y=y; z=z
ciexyy=0
zflag=
grey=0
+keep=0
usage () {
xyy="-z x1 y1 x2 y2 x3 y3 [white-x white-y]"
xyz="X1 Y1 Z1 X2 Y2 Z2 X3 Y3 Z3 [white-X white-Y white-Z]"
- printf 'usage: %s [-1 | -2 | -3] [-g] [%s | %s]\n' "$0" "$xyy" "$xyz" >&2
+ printf 'usage: %s [-1 | -2 | -3] [-gk] [%s | %s]\n' "$0" "$xyy" "$xyz" >&2
exit 1
}
@@ -40,6 +41,8 @@ while ! test $# = 0; do
x=z; y=x; z=y
elif test "$flag" = g; then
grey=1
+ elif test "$flag" = k; then
+ keep=1
elif test "$flag" = z; then
ciexyy=1
else
@@ -83,6 +86,29 @@ else
}
fi
+if test $keep = 0; then
+ primary () { blind-from-named -a blind-${pid}-$x "$@"; }
+ keep_primary () { "$@"; }
+else
+ primary () {
+ blind-from-named -a blind-${pid}-$x \
+ blind-tee >(blind-to-named -a blind-${pid}-k) | \
+ "$@"
+ }
+ keep_primary () {
+ if test $x = x; then
+ X=; Y=y; Z=z
+ elif test $x = y; then
+ X=x; Y=; Z=z
+ else
+ X=x; Y=y; Z=
+ fi
+ blind-from-named -f 7 -a blind-${pid}-k \
+ blind-arithm -a$X$Y$Z add /dev/fd/7 | \
+ "$@"
+ }
+fi
+
if test $grey = 0; then
finalise () { unconvert; }
else
@@ -101,16 +127,16 @@ fi
blind-arithm mul \
<(blind-single-colour -f inf -w $width -h $height 0 0 0 1 | \
blind-arithm sub \
- <(blind-from-named -a blind-${pid}-$x \
- blind-affine-colour -l \
- <(printf '%s %s %s %s\n' \
- 1 4 4 xyza \
- $o $o $o $o \
- $o $o $o $o \
- $o $o $o $o \
- $E $E $E $o | \
- blind-from-text | \
- blind-repeat inf -))) | \
+ <(primary blind-affine-colour -l \
+ <(printf '%s %s %s %s\n' \
+ 1 4 4 xyza \
+ $o $o $o $o \
+ $o $o $o $o \
+ $o $o $o $o \
+ $E $E $E $o | \
+ blind-from-text | \
+ blind-repeat inf -))) | \
+ keep_primary \
blind-from-named -f 8 -a blind-${pid}-$y blind-arithm add /dev/fd/8 | \
blind-from-named -f 9 -a blind-${pid}-$z blind-arithm add /dev/fd/9 | \
finalise
DIR diff --git a/man/blind-primary-key.1 b/man/blind-primary-key.1
@@ -3,7 +3,7 @@
blind-primary-key - Replace a primary with transparency
.SH SYNOPSIS
.B blind-primary-key
-[-1 | -2 | -3] [-g] (-z
+[-1 | -2 | -3] [-gk] (-z
.I x1
.I y1
.I x2
@@ -67,6 +67,9 @@ of the first primary, with transparency.
Replace the the third primary, instead
of the first primary, with transparency.
.TP
+.B -k
+Do not remove the keyed primary.
+.TP
.B -g
The video is, with the exception of the keyed primary,
greyscale and the output video shall remain greyscale.