From 4781f9e69a074ded4404784138bccc231906b492 Mon Sep 17 00:00:00 2001
From: wm4 <wm4@nowhere>
Date: Wed, 8 Jul 2015 13:40:06 +0200
Subject: vf_vavpp: don't attempt to deinterlace progressive frames

---
 DOCS/interface-changes.rst | 1 +
 DOCS/man/vf.rst            | 4 ++++
 video/filter/vf_vavpp.c    | 7 +++++++
 3 files changed, 12 insertions(+)

diff --git a/DOCS/interface-changes.rst b/DOCS/interface-changes.rst
index 48e25fb7b2..47ad7b5ae9 100644
--- a/DOCS/interface-changes.rst
+++ b/DOCS/interface-changes.rst
@@ -20,6 +20,7 @@ Interface changes
 ::
 
  --- mpv 0.10.0 will be released ---
+    - add vf yadif/vavpp interlaced-only suboptions
     - add --hwdec-preload
     - add ao coreaudio exclusive suboption
     - add ``track-list/N/forced`` property
diff --git a/DOCS/man/vf.rst b/DOCS/man/vf.rst
index 991dd64eca..0b2cf8154d 100644
--- a/DOCS/man/vf.rst
+++ b/DOCS/man/vf.rst
@@ -822,6 +822,10 @@ Available filters are:
             depends on the GPU hardware, the GPU drivers, driver bugs, and
             mpv bugs.
 
+    ``<interlaced-only>``
+        :no:  Deinterlace all frames.
+        :yes: Only deinterlace frames marked as interlaced (default).
+
 ``vdpaupp``
     VDPAU video post processing. Works with ``--vo=vdpau`` and ``--vo=opengl``
     only. This filter is automatically inserted if deinterlacing is requested
diff --git a/video/filter/vf_vavpp.c b/video/filter/vf_vavpp.c
index 642420a544..cb11e69cbb 100644
--- a/video/filter/vf_vavpp.c
+++ b/video/filter/vf_vavpp.c
@@ -58,6 +58,7 @@ struct pipeline {
 
 struct vf_priv_s {
     int deint_type; // 0: none, 1: discard, 2: double fps
+    int interlaced_only;
     bool do_deint;
     VABufferID buffers[VAProcFilterCount];
     int num_buffers;
@@ -86,6 +87,7 @@ static const struct vf_priv_s vf_priv_default = {
     .config = VA_INVALID_ID,
     .context = VA_INVALID_ID,
     .deint_type = 2,
+    .interlaced_only = 1,
 };
 
 // The array items must match with the "deint" suboption values.
@@ -254,6 +256,10 @@ static void output_frames(struct vf_instance *vf)
     }
     unsigned int csp = va_get_colorspace_flag(p->params.colorspace);
     unsigned int field = get_deint_field(p, 0, in);
+    if (field == VA_FRAME_PICTURE && p->interlaced_only) {
+        vf_add_output_frame(vf, mp_image_new_ref(in));
+        return;
+    }
     struct mp_image *out1 = render(vf, in, field | csp);
     if (!out1) { // cannot render
         vf_add_output_frame(vf, mp_image_new_ref(in));
@@ -497,6 +503,7 @@ static const m_option_t vf_opts_fields[] = {
                 {"weave", 3},
                 {"motion-adaptive", 4},
                 {"motion-compensated", 5})),
+    OPT_FLAG("interlaced-only", interlaced_only, 0),
     {0}
 };
 
-- 
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