From ac42b604415af9e72b61ae58976e6b5c4c7499c7 Mon Sep 17 00:00:00 2001
From: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
Date: Fri, 1 Oct 2021 15:30:30 +0200
Subject: [PATCH] avformat/sccdec: Make constants more intelligible

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
---
 libavformat/sccdec.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libavformat/sccdec.c b/libavformat/sccdec.c
index cd45bda8c9..286b1b3b0e 100644
--- a/libavformat/sccdec.c
+++ b/libavformat/sccdec.c
@@ -51,9 +51,9 @@ static int scc_probe(const AVProbeData *p)
 static int convert(uint8_t x)
 {
     if (x >= 'a')
-        x -= 87;
+        x -= 'a' - 10;
     else if (x >= 'A')
-        x -= 55;
+        x -= 'A' - 10;
     else
         x -= '0';
     return x;