From accde1bd8756936e1757b42fc9bad2eb5d192f8a Mon Sep 17 00:00:00 2001
From: Masaki Tanaka <maki.rxrz@gmail.com>
Date: Tue, 9 Apr 2013 16:44:40 +0900
Subject: [PATCH] vc1_parser: Set field_order.

Signed-off-by: Anton Khirnov <anton@khirnov.net>
---
 libavcodec/vc1_parser.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/libavcodec/vc1_parser.c b/libavcodec/vc1_parser.c
index 5aa1248e770..a6363d9a902 100644
--- a/libavcodec/vc1_parser.c
+++ b/libavcodec/vc1_parser.c
@@ -88,6 +88,11 @@ static void vc1_extract_headers(AVCodecParserContext *s, AVCodecContext *avctx,
                 }
             }
 
+            if (vpc->v.broadcast && vpc->v.interlace && !vpc->v.psf)
+                s->field_order = vpc->v.tff ? AV_FIELD_TT : AV_FIELD_BB;
+            else
+                s->field_order = AV_FIELD_PROGRESSIVE;
+
             break;
         }
     }
-- 
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