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avfilter/colorize: add speed option

This commit is contained in:
Yannis Gerlach 2024-05-01 10:23:19 +02:00
parent e757726e89
commit 2d76984390
1 changed files with 9 additions and 0 deletions
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9
libavfilter/vf_colorize.c
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@ -29,6 +29,7 @@ typedef struct ColorizeContext {
float saturation;
float lightness;
float mix;
float speed;
int depth;
int c[3];
@ -205,6 +206,13 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *frame)
ff_filter_execute(ctx, do_slice, frame, NULL,
FFMIN(s->planeheight[1], ff_filter_get_nb_threads(ctx)));
s->hue += s->speed;
if (s->hue < 0.f) {
s->hue += 360.f;
} else if(s->hue > 360.f) {
s->hue -= 360.f;
}
return ff_filter_frame(ctx->outputs[0], frame);
}
@ -267,6 +275,7 @@ static const AVOption colorize_options[] = {
{ "saturation", "set the saturation", OFFSET(saturation), AV_OPT_TYPE_FLOAT, {.dbl=0.5},0, 1, VF },
{ "lightness", "set the lightness", OFFSET(lightness), AV_OPT_TYPE_FLOAT, {.dbl=0.5},0, 1, VF },
{ "mix", "set the mix of source lightness", OFFSET(mix), AV_OPT_TYPE_FLOAT, {.dbl=1}, 0, 1, VF },
{ "speed", "set the change of hue per frame", OFFSET(speed), AV_OPT_TYPE_FLOAT, {.dbl=0}, -180, 180, VF },
{ NULL }
};