#include "libavutil/imgutils.h"
#include "libavutil/common.h"
#include "libavutil/cpu.h"
+#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "libavutil/opt.h"
#include "avfilter.h"
#include "internal.h"
#include "video.h"
-#define OFFSET(x) offsetof(GradFunContext, x)
-#define F AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
-
-static const AVOption gradfun_options[] = {
- { "strength", "set the maximum amount by which the filter will change any one pixel", OFFSET(strength), AV_OPT_TYPE_DOUBLE, {.dbl = 1.2}, 0.51, 64, F },
- { "radius", "set the neighborhood to fit the gradient to", OFFSET(radius), AV_OPT_TYPE_INT, {.i64 = 16}, 4, 32, F },
- { NULL }
-};
-
-AVFILTER_DEFINE_CLASS(gradfun);
-
DECLARE_ALIGNED(16, static const uint16_t, dither)[8][8] = {
{0x00,0x60,0x18,0x78,0x06,0x66,0x1E,0x7E},
{0x40,0x20,0x58,0x38,0x46,0x26,0x5E,0x3E},
}
}
-static av_cold int init(AVFilterContext *ctx, const char *args)
+static av_cold int init(AVFilterContext *ctx)
{
GradFunContext *gf = ctx->priv;
- gf->thresh = (1 << 15) / gf->strength;
- gf->radius = av_clip((gf->radius + 1) & ~1, 4, 32);
+ gf->thresh = (1 << 15) / gf->strength;
+ gf->radius = av_clip((gf->radius + 1) & ~1, 4, 32);
gf->blur_line = ff_gradfun_blur_line_c;
gf->filter_line = ff_gradfun_filter_line_c;
return ff_filter_frame(outlink, out);
}
+#define OFFSET(x) offsetof(GradFunContext, x)
+#define FLAGS AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
+
+static const AVOption gradfun_options[] = {
+ { "strength", "The maximum amount by which the filter will change any one pixel.", OFFSET(strength), AV_OPT_TYPE_FLOAT, { .dbl = 1.2 }, 0.51, 64, FLAGS },
+ { "radius", "The neighborhood to fit the gradient to.", OFFSET(radius), AV_OPT_TYPE_INT, { .i64 = 16 }, 4, 32, FLAGS },
+ { NULL },
+};
+
+AVFILTER_DEFINE_CLASS(gradfun);
+
static const AVFilterPad avfilter_vf_gradfun_inputs[] = {
{
.name = "default",
{ NULL }
};
-static const char *const shorthand[] = { "strength", "radius", NULL };
-
AVFilter avfilter_vf_gradfun = {
.name = "gradfun",
.description = NULL_IF_CONFIG_SMALL("Debands video quickly using gradients."),
.priv_size = sizeof(GradFunContext),
+ .priv_class = &gradfun_class,
.init = init,
.uninit = uninit,
.query_formats = query_formats,
.inputs = avfilter_vf_gradfun_inputs,
.outputs = avfilter_vf_gradfun_outputs,
- .priv_class = &gradfun_class,
- .shorthand = shorthand,
};