From 2da5bf4c2f4cb878bad794be2b76108afbbd899d Mon Sep 17 00:00:00 2001
From: Thomas Mundt <tmundt75@gmail.com>
Date: Thu, 20 Apr 2017 23:33:39 +0200
Subject: avfilter/interlace: add complex vertical low-pass filter

This complex (-1 2 6 2 -1) filter slightly less reduces interlace 'twitter' but better retain detail and subjective sharpness impression compared to the linear (1 2 1) filter.

Signed-off-by: Thomas Mundt <tmundt75@gmail.com>
Signed-off-by: James Almer <jamrial@gmail.com>
---
 libavfilter/tinterlace.h | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'libavfilter/tinterlace.h')

diff --git a/libavfilter/tinterlace.h b/libavfilter/tinterlace.h
index f52af13c9a..e01050cba7 100644
--- a/libavfilter/tinterlace.h
+++ b/libavfilter/tinterlace.h
@@ -30,6 +30,10 @@
 #include "libavutil/opt.h"
 #include "avfilter.h"
 
+#define TINTERLACE_FLAG_VLPF 01
+#define TINTERLACE_FLAG_EXACT_TB 2
+#define TINTERLACE_FLAG_CVLPF 4
+
 enum TInterlaceMode {
     MODE_MERGE = 0,
     MODE_DROP_EVEN,
-- 
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