#include "median_template.c"
#define OFFSET(x) offsetof(MedianContext, x)
-#define FLAGS AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
+#define FLAGS AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_RUNTIME_PARAM
static const AVOption median_options[] = {
{ "radius", "set median radius", OFFSET(radius), AV_OPT_TYPE_INT, {.i64=1}, 1, 127, FLAGS },
return ff_set_common_formats(ctx, ff_make_format_list(pix_fmts));
}
+static void check_params(MedianContext *s, AVFilterLink *inlink)
+{
+ for (int i = 0; i < s->nb_planes; i++) {
+ if (!(s->planes & (1 << i)))
+ continue;
+
+ if (s->planewidth[i] < s->radius * 2 + 1) {
+ av_log(inlink->dst, AV_LOG_WARNING, "The %d plane width %d must be not less than %d, clipping radius.\n", i, s->planewidth[i], s->radius * 2 + 1);
+ s->radius = (s->planewidth[i] - 1) / 2;
+ }
+
+ if (s->planeheight[i] < s->radiusV * 2 + 1) {
+ av_log(inlink->dst, AV_LOG_WARNING, "The %d plane height %d must be not less than %d, clipping radiusV.\n", i, s->planeheight[i], s->radiusV * 2 + 1);
+ s->radiusV = (s->planeheight[i] - 1) / 2;
+ }
+ }
+
+ s->t = 2 * s->radius * s->radiusV + 2 * s->radius;
+}
+
static int config_input(AVFilterLink *inlink)
{
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
s->radiusV = !s->radiusV ? s->radius : s->radiusV;
s->nb_planes = av_pix_fmt_count_planes(inlink->format);
- s->t = 2 * s->radius * s->radiusV + 2 * s->radius;
-
- for (int i = 0; i < s->nb_planes; i++) {
- if (!(s->planes & (1 << i)))
- continue;
- if (s->planewidth[i] < s->radius * 2 + 1) {
- av_log(inlink->dst, AV_LOG_ERROR, "The %d plane width %d must be not less than %d\n", i, s->planewidth[i], s->radius * 2 + 1);
- return AVERROR(EINVAL);
- }
-
- if (s->planeheight[i] < s->radiusV * 2 + 1) {
- av_log(inlink->dst, AV_LOG_ERROR, "The %d plane height %d must be not less than %d\n", i, s->planeheight[i], s->radiusV * 2 + 1);
- return AVERROR(EINVAL);
- }
- }
+ check_params(s, inlink);
s->nb_threads = FFMAX(1, FFMIN(s->planeheight[1] / (s->radiusV + 1), ff_filter_get_nb_threads(inlink->dst)));
s->bins = 1 << ((s->depth + 1) / 2);
av_freep(&s->fine);
}
+static int process_command(AVFilterContext *ctx, const char *cmd, const char *args,
+ char *res, int res_len, int flags)
+{
+ MedianContext *s = ctx->priv;
+ int ret;
+
+ ret = ff_filter_process_command(ctx, cmd, args, res, res_len, flags);
+ if (ret < 0)
+ return ret;
+
+ if (!s->radiusV)
+ s->radiusV = s->radius;
+ check_params(s, ctx->inputs[0]);
+
+ return 0;
+}
+
static const AVFilterPad median_inputs[] = {
{
.name = "default",
.inputs = median_inputs,
.outputs = median_outputs,
.flags = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC | AVFILTER_FLAG_SLICE_THREADS,
+ .process_command = process_command,
};