avfilter/vsrc_testsrc: add pal75bars and pal100bars video filter sources

Generates color bar test patterns based on EBU PAL recommendations.

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Tobias Rapp <t.rapp@noa-archive.com>

1 files changed, 9 insertions, 1 deletions

diff --git a/doc/filters.texi b/doc/filters.texi
index 7646efb918..cf15186164 100644
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -17825,13 +17825,15 @@ ffplay -f lavfi life=s=300x200:mold=10:r=60:ratio=0.1:death_color=#C83232:life_c
 @anchor{color}
 @anchor{haldclutsrc}
 @anchor{nullsrc}
+@anchor{pal75bars}
+@anchor{pal100bars}
 @anchor{rgbtestsrc}
 @anchor{smptebars}
 @anchor{smptehdbars}
 @anchor{testsrc}
 @anchor{testsrc2}
 @anchor{yuvtestsrc}
-@section allrgb, allyuv, color, haldclutsrc, nullsrc, rgbtestsrc, smptebars, smptehdbars, testsrc, testsrc2, yuvtestsrc
+@section allrgb, allyuv, color, haldclutsrc, nullsrc, pal75bars, pal100bars, rgbtestsrc, smptebars, smptehdbars, testsrc, testsrc2, yuvtestsrc
 
 The @code{allrgb} source returns frames of size 4096x4096 of all rgb colors.
 
@@ -17846,6 +17848,12 @@ The @code{nullsrc} source returns unprocessed video frames. It is
 mainly useful to be employed in analysis / debugging tools, or as the
 source for filters which ignore the input data.
 
+The @code{pal75bars} source generates a color bars pattern, based on
+EBU PAL recommendations with 75% color levels.
+
+The @code{pal100bars} source generates a color bars pattern, based on
+EBU PAL recommendations with 100% color levels.
+
 The @code{rgbtestsrc} source generates an RGB test pattern useful for
 detecting RGB vs BGR issues. You should see a red, green and blue
 stripe from top to bottom.