avfilter/vf_histogram: add mirrored waveform mode

[ffmpeg] / libavfilter / vf_overlay.c

diff --git a/libavfilter/vf_overlay.c b/libavfilter/vf_overlay.c
index 0c2722d82f1f90ba20de5735a88677db1eee662d..b5ade85401f854bbb41437581f2fd754cb8ff455 100644 (file)
--- a/libavfilter/vf_overlay.c
+++ b/libavfilter/vf_overlay.c
@@ -309,6 +309,11 @@ static int config_input_overlay(AVFilterLink *inlink)
 static int config_output(AVFilterLink *outlink)
 {
     AVFilterContext *ctx = outlink->src;
+    OverlayContext *s = ctx->priv;
+    int ret;
+
+    if ((ret = ff_dualinput_init(ctx, &s->dinput)) < 0)
+        return ret;
 
     outlink->w = ctx->inputs[MAIN]->w;
     outlink->h = ctx->inputs[MAIN]->h;
@@ -544,16 +549,10 @@ static AVFrame *do_blend(AVFilterContext *ctx, AVFrame *mainpic,
     return mainpic;
 }
 
-static int filter_frame_main(AVFilterLink *inlink, AVFrame *inpicref)
-{
-    OverlayContext *s = inlink->dst->priv;
-    return ff_dualinput_filter_frame_main(&s->dinput, inlink, inpicref);
-}
-
-static int filter_frame_over(AVFilterLink *inlink, AVFrame *inpicref)
+static int filter_frame(AVFilterLink *inlink, AVFrame *inpicref)
 {
     OverlayContext *s = inlink->dst->priv;
-    return ff_dualinput_filter_frame_second(&s->dinput, inlink, inpicref);
+    return ff_dualinput_filter_frame(&s->dinput, inlink, inpicref);
 }
 
 static int request_frame(AVFilterLink *outlink)
@@ -601,14 +600,14 @@ static const AVFilterPad avfilter_vf_overlay_inputs[] = {
         .name         = "main",
         .type         = AVMEDIA_TYPE_VIDEO,
         .config_props = config_input_main,
-        .filter_frame = filter_frame_main,
+        .filter_frame = filter_frame,
         .needs_writable = 1,
     },
     {
         .name         = "overlay",
         .type         = AVMEDIA_TYPE_VIDEO,
         .config_props = config_input_overlay,
-        .filter_frame = filter_frame_over,
+        .filter_frame = filter_frame,
     },
     { NULL }
 };