From e6ff5d0facabb016e51038227a8944e36d24f1af Mon Sep 17 00:00:00 2001
From: Paul B Mahol <onemda@gmail.com>
Date: Tue, 2 Mar 2021 19:52:18 +0100
Subject: [PATCH] avcodec/mpeg4videodec: add forgotten flags to mpeg4_options

---
 libavcodec/mpeg4videodec.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/libavcodec/mpeg4videodec.c b/libavcodec/mpeg4videodec.c
index fd985f0430..2ca804fdc6 100644
--- a/libavcodec/mpeg4videodec.c
+++ b/libavcodec/mpeg4videodec.c
@@ -3551,9 +3551,11 @@ static av_cold int decode_init(AVCodecContext *avctx)
     return 0;
 }
 
+#define OFFSET(x) offsetof(MpegEncContext, x)
+#define FLAGS AV_OPT_FLAG_EXPORT | AV_OPT_FLAG_READONLY
 static const AVOption mpeg4_options[] = {
-    {"quarter_sample", "1/4 subpel MC", offsetof(MpegEncContext, quarter_sample), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, 0},
-    {"divx_packed", "divx style packed b frames", offsetof(MpegEncContext, divx_packed), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, 0},
+    {"quarter_sample", "1/4 subpel MC", OFFSET(quarter_sample), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, FLAGS},
+    {"divx_packed", "divx style packed b frames", OFFSET(divx_packed), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, FLAGS},
     {NULL}
 };