From a0b55e2adbc8c4ffd805b91c0b40f9292675cdcf Mon Sep 17 00:00:00 2001
From: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
Date: Thu, 29 Apr 2021 22:20:05 +0200
Subject: [PATCH] avcodec/a64multienc: Don't modify
 AVCodecContext.global_quality

According to the doxy, this field is set by the user.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
---
 libavcodec/a64multienc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/a64multienc.c b/libavcodec/a64multienc.c
index 1b52631193..ad2500e41a 100644
--- a/libavcodec/a64multienc.c
+++ b/libavcodec/a64multienc.c
@@ -210,7 +210,7 @@ static av_cold int a64multi_encode_init(AVCodecContext *avctx)
     if (avctx->global_quality < 1) {
         c->mc_lifetime = 4;
     } else {
-        c->mc_lifetime = avctx->global_quality /= FF_QP2LAMBDA;
+        c->mc_lifetime = avctx->global_quality / FF_QP2LAMBDA;
     }
 
     av_log(avctx, AV_LOG_INFO, "charset lifetime set to %d frame(s)\n", c->mc_lifetime);