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avfilter/vf_ciescope: add option to disable CIE tongue filling

This commit is contained in:
Paul B Mahol 2022-04-19 20:52:06 +02:00
parent da4b7c2be4
commit b9e75c1862
2 changed files with 8 additions and 2 deletions
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3
doc/filters.texi
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@ -8459,6 +8459,9 @@ Show white point on CIE diagram, by default disabled.
@item gamma
Set input gamma. Used only with XYZ input color space.
@item fill
Fill with CIE colors. By default is enabled.
@end table
@section codecview

7
libavfilter/vf_ciescope.c
View File

@ -61,6 +61,7 @@ typedef struct CiescopeContext {
float intensity;
float contrast;
int background;
int fill;
float log2lin[65536];
float igamma;
@ -118,6 +119,7 @@ static const AVOption ciescope_options[] = {
{ "corrgamma", NULL, OFFSET(correct_gamma), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1, FLAGS },
{ "showwhite", NULL, OFFSET(show_white), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, FLAGS },
{ "gamma", NULL, OFFSET(igamma), AV_OPT_TYPE_DOUBLE, {.dbl=2.6}, 0.1, 6, FLAGS },
{ "fill", "fill with CIE colors", OFFSET(fill), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1, FLAGS },
{ NULL }
};
@ -1239,8 +1241,9 @@ static int draw_background(AVFilterContext *ctx)
tongue_outline(pixels, s->f->linesize[0] / 2, w, h, 65535, s->cie);
fill_in_tongue(pixels, s->f->linesize[0] / 2, w, h, 65535, cs, (const float (*)[3])s->i, s->cie,
s->correct_gamma, s->contrast);
if (s->fill)
fill_in_tongue(pixels, s->f->linesize[0] / 2, w, h, 65535, cs, (const float (*)[3])s->i, s->cie,
s->correct_gamma, s->contrast);
return 0;
}