From 996797f8ed06e6ccb5287e18a5de88b2b0db31ec Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michael@niedermayer.cc>
Date: Sun, 30 May 2021 18:51:09 +0200
Subject: [PATCH] avcodec/mpegvideo_enc: Reset stuffing bits if they are not
 supported

Fixes: Assertion failure
Fixes: Ticket8202

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
---
 libavcodec/mpegvideo_enc.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libavcodec/mpegvideo_enc.c b/libavcodec/mpegvideo_enc.c
index c01488f483..7849cdce85 100644
--- a/libavcodec/mpegvideo_enc.c
+++ b/libavcodec/mpegvideo_enc.c
@@ -1846,6 +1846,7 @@ vbv_retry:
             break;
             default:
                 av_log(avctx, AV_LOG_ERROR, "vbv buffer overflow\n");
+                s->stuffing_bits = 0;
             }
             flush_put_bits(&s->pb);
             s->frame_bits  = put_bits_count(&s->pb);