From f43c14d0467f8095b31babcd337e3547852a82a0 Mon Sep 17 00:00:00 2001
From: Masaki Tanaka <maki.rxrz@gmail.com>
Date: Tue, 9 Apr 2013 16:43:08 +0900
Subject: [PATCH] mpegvideo_parser: Set field_order.

Signed-off-by: Anton Khirnov <anton@khirnov.net>
---
 libavcodec/mpegvideo_parser.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/libavcodec/mpegvideo_parser.c b/libavcodec/mpegvideo_parser.c
index 5364acf92a..3219c10977 100644
--- a/libavcodec/mpegvideo_parser.c
+++ b/libavcodec/mpegvideo_parser.c
@@ -114,6 +114,14 @@ static void mpegvideo_extract_headers(AVCodecParserContext *s,
                                 s->repeat_pict = 2;
                             }
                         }
+
+                        if (!pc->progressive_sequence) {
+                            if (top_field_first)
+                                s->field_order = AV_FIELD_TT;
+                            else
+                                s->field_order = AV_FIELD_BB;
+                        } else
+                            s->field_order = AV_FIELD_PROGRESSIVE;
                     }
                     break;
                 }