From 7d04327e7158d42ff62bc8b607d2832bb0b73d08 Mon Sep 17 00:00:00 2001
From: wm4 <wm4@nowhere>
Date: Tue, 3 Dec 2013 22:24:49 +0100
Subject: vf_gradfun: reroute to vf_lavfi

Also update the manpage. We changed defaults and added a suboption quite
some time ago, and we forgot to update the manpage at all.
---
 video/filter/vf_gradfun.c | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

(limited to 'video')

diff --git a/video/filter/vf_gradfun.c b/video/filter/vf_gradfun.c
index f7b39fa999..28916e7871 100644
--- a/video/filter/vf_gradfun.c
+++ b/video/filter/vf_gradfun.c
@@ -45,6 +45,8 @@
 
 #include "mpvcore/m_option.h"
 
+#include "vf_lavfi.h"
+
 struct vf_priv_s {
     float cfg_thresh;
     int cfg_radius;
@@ -56,6 +58,7 @@ struct vf_priv_s {
                         int width, int thresh, const uint16_t *dithers);
     void (*blur_line)(uint16_t *dc, uint16_t *buf, uint16_t *buf1,
                       uint8_t *src, int sstride, int width);
+    struct vf_lw_opts *lw_opts;
 } const vf_priv_dflt = {
   .cfg_thresh = 1.5,
   .cfg_radius = -1,
@@ -353,6 +356,18 @@ static void uninit(struct vf_instance *vf)
     av_free(vf->priv->buf);
 }
 
+static void lavfi_recreate(struct vf_instance *vf)
+{
+    struct vf_priv_s *p = vf_lw_old_priv(vf);
+    int w = vf->fmt_in.params.w;
+    int h = vf->fmt_in.params.h;
+    p->radius = p->cfg_radius;
+    if (p->cfg_size > -1)
+        p->radius = (p->cfg_size / 100.0f) * sqrtf(w * w + h * h);
+    p->radius = av_clip((p->radius+1)&~1, 4, 32);
+    vf_lw_update_graph(vf, "gradfun", "%f:%d", p->cfg_thresh, p->radius);
+}
+
 static int vf_open(vf_instance_t *vf, char *args)
 {
     vf->filter=filter;
@@ -372,6 +387,13 @@ static int vf_open(vf_instance_t *vf, char *args)
     if (!have_radius && !have_size)
         vf->priv->cfg_size = 1.0;
 
+    if (vf_lw_set_graph(vf, vf->priv->lw_opts, "gradfun", "%f:4",
+                        vf->priv->cfg_thresh) >= 0)
+    {
+        vf_lw_set_recreate_cb(vf, lavfi_recreate);
+        return 1;
+    }
+
     vf->priv->thresh = (1<<15)/av_clipf(vf->priv->cfg_thresh,0.51,255);
 
     vf->priv->blur_line = blur_line_c;
@@ -397,6 +419,7 @@ static const m_option_t vf_opts_fields[] = {
     OPT_FLOATRANGE("strength", cfg_thresh, 0, 0.51, 255),
     OPT_INTRANGE("radius", cfg_radius, 0, 4, 32),
     OPT_FLOATRANGE("size", cfg_size, 0, 0.1, 5.0),
+    OPT_SUBSTRUCT("", lw_opts, vf_lw_conf, 0),
     {0}
 };
 
-- 
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