From 5991e01ed7537f1f105355e1405ea75de33971f2 Mon Sep 17 00:00:00 2001
From: Sigrid <ftrvxmtrx@gmail.com>
Date: Fri, 1 Jan 2021 22:58:05 +0100
Subject: [PATCH] file: ftyp mp4* is video/mp4 as well

---
 sys/src/cmd/file.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sys/src/cmd/file.c b/sys/src/cmd/file.c
index bd9d1afb5..2e53dbee8 100644
--- a/sys/src/cmd/file.c
+++ b/sys/src/cmd/file.c
@@ -1251,7 +1251,7 @@ ismp4(void)
 		return 0;
 	if(memcmp(&buf[4], "ftyp", 4) != 0)
 		return 0;
-	if(memcmp(&buf[8], "isom", 4) == 0){
+	if(memcmp(&buf[8], "isom", 4) == 0 || memcmp(&buf[8], "mp4", 3) == 0){
 		print("%s\n", mime ? "video/mp4" : "mp4 video");
 		return 1;
 	}