From 25755f5fe75ad2a4ac9fb4ecf70f7bdf7a58a04c Mon Sep 17 00:00:00 2001
From: wm4 <wm4@nowhere>
Date: Tue, 7 Jul 2015 15:18:56 +0200
Subject: vf_yadif: expose interlaced frame mode

Also remove the enabled suboption, which did nothing. (It was probably
broken at some point.)
---
 DOCS/man/vf.rst         |  9 ++++-----
 video/filter/vf_yadif.c | 14 +++++---------
 2 files changed, 9 insertions(+), 14 deletions(-)

diff --git a/DOCS/man/vf.rst b/DOCS/man/vf.rst
index f1c4cf04b9..c9f080e0b4 100644
--- a/DOCS/man/vf.rst
+++ b/DOCS/man/vf.rst
@@ -518,7 +518,7 @@ Available filters are:
         video. The main purpose of setting ``mp`` to a chroma plane is to reduce
         CPU load and make pullup usable in realtime on slow machines.
 
-``yadif=[mode[:enabled=yes|no]]``
+``yadif=[mode:interlaced-only]``
     Yet another deinterlacing filter
 
     ``<mode>``
@@ -527,10 +527,9 @@ Available filters are:
         :frame-nospatial: Like ``frame`` but skips spatial interlacing check.
         :field-nospatial: Like ``field`` but skips spatial interlacing check.
 
-    ``<enabled>``
-        :yes: Filter is active (default).
-        :no:  Filter is not active, but can be activated with the ``D`` key
-              (or any other key that toggles the ``deinterlace`` property).
+    ``<interlaced-only>``
+        :no:  Deinterlace all frames (default).
+        :yes: Only deinterlace frames marked as interlaced.
 
     This filter, is automatically inserted when using the ``D`` key (or any
     other key that toggles the ``deinterlace`` property or when using the
diff --git a/video/filter/vf_yadif.c b/video/filter/vf_yadif.c
index 6526283af1..7bfd209475 100644
--- a/video/filter/vf_yadif.c
+++ b/video/filter/vf_yadif.c
@@ -28,14 +28,10 @@
 
 struct vf_priv_s {
     int mode;
-    int do_deinterlace;
+    int interlaced_only;
     struct vf_lw_opts *lw_opts;
 };
 
-static const struct vf_priv_s vf_priv_default = {
-    .do_deinterlace = 1,
-};
-
 static int vf_open(vf_instance_t *vf)
 {
     struct vf_priv_s *p = vf->priv;
@@ -43,10 +39,11 @@ static int vf_open(vf_instance_t *vf)
     // Earlier libavfilter yadif versions used pure integers for the first
     // option. We can't/don't handle this, but at least allow usage of the
     // filter with default settings. So use an empty string for "send_frame".
-    const char *mode[] = {"", "send_field", "send_frame_nospatial",
+    const char *mode[] = {"send_frame", "send_field", "send_frame_nospatial",
                           "send_field_nospatial"};
 
-    if (vf_lw_set_graph(vf, p->lw_opts, "yadif", "%s", mode[p->mode]) >= 0)
+    if (vf_lw_set_graph(vf, p->lw_opts, "yadif", "mode=%s:deint=%s", mode[p->mode],
+                        p->interlaced_only ? "interlaced" : "all") >= 0)
     {
         return 1;
     }
@@ -62,7 +59,7 @@ static const m_option_t vf_opts_fields[] = {
                 {"field", 1},
                 {"frame-nospatial", 2},
                 {"field-nospatial", 3})),
-    OPT_FLAG("enabled", do_deinterlace, 0),
+    OPT_FLAG("interlaced-only", interlaced_only, 0),
     OPT_SUBSTRUCT("", lw_opts, vf_lw_conf, 0),
     {0}
 };
@@ -72,6 +69,5 @@ const vf_info_t vf_info_yadif = {
     .name = "yadif",
     .open = vf_open,
     .priv_size = sizeof(struct vf_priv_s),
-    .priv_defaults = &vf_priv_default,
     .options = vf_opts_fields,
 };
-- 
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