X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavfilter%2Fvf_xmedian.c;h=8b6dd69709bc75adc51a4f9be762da6cdd629cce;hb=c67d2a287502845baadf986a9c63e6117a25be3f;hp=15857d6f149448e39372fd8d984abb4d886f11a6;hpb=9987f6d01e6d50eba378b64b890a6f5885e27989;p=ffmpeg

diff --git a/libavfilter/vf_xmedian.c b/libavfilter/vf_xmedian.c
index 15857d6f149..8b6dd69709b 100644
--- a/libavfilter/vf_xmedian.c
+++ b/libavfilter/vf_xmedian.c
@@ -244,14 +244,20 @@ static int process_frame(FFFrameSync *fs)
             return ret;
     }
 
-    out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
+    if (ctx->is_disabled) {
+        out = av_frame_clone(in[0]);
+    } else {
+        out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
+    }
     if (!out)
         return AVERROR(ENOMEM);
     out->pts = av_rescale_q(s->fs.pts, s->fs.time_base, outlink->time_base);
 
-    td.in = in;
-    td.out = out;
-    ctx->internal->execute(ctx, s->median_frames, &td, NULL, FFMIN(s->height[1], ff_filter_get_nb_threads(ctx)));
+    if (!ctx->is_disabled) {
+        td.in = in;
+        td.out = out;
+        ctx->internal->execute(ctx, s->median_frames, &td, NULL, FFMIN(s->height[1], ff_filter_get_nb_threads(ctx)));
+    }
 
     return ff_filter_frame(outlink, out);
 }
@@ -316,7 +322,7 @@ static int config_output(AVFilterLink *outlink)
         in[i].time_base = inlink->time_base;
         in[i].sync   = 1;
         in[i].before = EXT_STOP;
-        in[i].after  = EXT_STOP;
+        in[i].after  = EXT_INFINITY;
     }
 
     ret = ff_framesync_configure(&s->fs);
@@ -344,13 +350,32 @@ static int activate(AVFilterContext *ctx)
     return ff_framesync_activate(&s->fs);
 }
 
+static int process_command(AVFilterContext *ctx, const char *cmd, const char *args,
+                           char *res, int res_len, int flags)
+{
+    XMedianContext *s = ctx->priv;
+    int ret;
+
+    ret = ff_filter_process_command(ctx, cmd, args, res, res_len, flags);
+    if (ret < 0)
+        return ret;
+
+    if (s->nb_inputs & 1)
+        s->index = s->radius * 2.f * s->percentile;
+    else
+        s->index = av_clip(s->radius * 2.f * s->percentile, 1, s->nb_inputs - 1);
+
+    return 0;
+}
+
 #define OFFSET(x) offsetof(XMedianContext, x)
 #define FLAGS AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_FILTERING_PARAM
+#define TFLAGS AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_RUNTIME_PARAM
 
 static const AVOption xmedian_options[] = {
     { "inputs", "set number of inputs", OFFSET(nb_inputs), AV_OPT_TYPE_INT, {.i64=3},  3, 255, .flags = FLAGS },
-    { "planes", "set planes to filter", OFFSET(planes),    AV_OPT_TYPE_INT, {.i64=15}, 0,  15, .flags = FLAGS },
-    { "percentile", "set percentile",   OFFSET(percentile),AV_OPT_TYPE_FLOAT,{.dbl=0.5}, 0, 1, .flags = FLAGS },
+    { "planes", "set planes to filter", OFFSET(planes),    AV_OPT_TYPE_INT, {.i64=15}, 0,  15, .flags =TFLAGS },
+    { "percentile", "set percentile",   OFFSET(percentile),AV_OPT_TYPE_FLOAT,{.dbl=0.5}, 0, 1, .flags =TFLAGS },
     { NULL },
 };
 
@@ -364,7 +389,7 @@ static const AVFilterPad outputs[] = {
 };
 
 #if CONFIG_XMEDIAN_FILTER
-AVFILTER_DEFINE_CLASS(xmedian);
+FRAMESYNC_DEFINE_CLASS(xmedian, XMedianContext, fs);
 
 AVFilter ff_vf_xmedian = {
     .name          = "xmedian",
@@ -373,10 +398,13 @@ AVFilter ff_vf_xmedian = {
     .priv_class    = &xmedian_class,
     .query_formats = query_formats,
     .outputs       = outputs,
+    .preinit       = xmedian_framesync_preinit,
     .init          = init,
     .uninit        = uninit,
     .activate      = activate,
-    .flags         = AVFILTER_FLAG_DYNAMIC_INPUTS | AVFILTER_FLAG_SLICE_THREADS,
+    .flags         = AVFILTER_FLAG_DYNAMIC_INPUTS | AVFILTER_FLAG_SLICE_THREADS |
+                     AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL,
+    .process_command = process_command,
 };
 
 #endif /* CONFIG_XMEDIAN_FILTER */
@@ -422,8 +450,8 @@ static int tmedian_filter_frame(AVFilterLink *inlink, AVFrame *in)
 
 static const AVOption tmedian_options[] = {
     { "radius",     "set median filter radius", OFFSET(radius),     AV_OPT_TYPE_INT,   {.i64=1},   1, 127, .flags = FLAGS },
-    { "planes",     "set planes to filter",     OFFSET(planes),     AV_OPT_TYPE_INT,   {.i64=15},  0,  15, .flags = FLAGS },
-    { "percentile", "set percentile",           OFFSET(percentile), AV_OPT_TYPE_FLOAT, {.dbl=0.5}, 0,   1, .flags = FLAGS },
+    { "planes",     "set planes to filter",     OFFSET(planes),     AV_OPT_TYPE_INT,   {.i64=15},  0,  15, .flags =TFLAGS },
+    { "percentile", "set percentile",           OFFSET(percentile), AV_OPT_TYPE_FLOAT, {.dbl=0.5}, 0,   1, .flags =TFLAGS },
     { NULL },
 };
 
@@ -458,6 +486,7 @@ AVFilter ff_vf_tmedian = {
     .init          = init,
     .uninit        = uninit,
     .flags         = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL | AVFILTER_FLAG_SLICE_THREADS,
+    .process_command = process_command,
 };
 
 #endif /* CONFIG_TMEDIAN_FILTER */