File ffmpeg-4-CVE-2023-6601-shim03-a0cb5722.patch of Package A_tw-ffmpeg-4

File ffmpeg-4-CVE-2023-6601-shim03-a0cb5722.patch of Package A_tw-ffmpeg-4 (Revision fad5989f00a7e22e8f037d009ef9a126)

Currently displaying revision fad5989f00a7e22e8f037d009ef9a126 , Show latest

From a0cb5722fda9bd03b7be31a83b043966f0fd71b8 Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michael@niedermayer.cc>
Date: Mon, 15 May 2023 21:28:26 +0200
Subject: [PATCH] avformat/hls: Check mime_ok first

This should be a few nano seconds faster (not measureable)
But Collectively the whole humankind watching hls will safe a minute

Found-by: Leo Izen

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
---
 libavformat/hls.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/libavformat/hls.c b/libavformat/hls.c
index 425df3b26b..fc29ef0ca9 100644
--- a/libavformat/hls.c
+++ b/libavformat/hls.c
@@ -2541,9 +2541,9 @@ static int hls_probe(const AVProbeData *p)
             av_strcasecmp(p->mime_type, "application/x-mpegurl")
             );
 
-        if (!av_match_ext    (p->filename, "m3u8,hls,m3u") &&
-             ff_match_url_ext(p->filename, "m3u8,hls,m3u") <= 0 &&
-            !mime_ok) {
+        if (!mime_ok &&
+            !av_match_ext    (p->filename, "m3u8,hls,m3u") &&
+             ff_match_url_ext(p->filename, "m3u8,hls,m3u") <= 0) {
             av_log(NULL, AV_LOG_ERROR, "Not detecting m3u8/hls with non standard extension\n");
             return 0;
         }
-- 
2.52.0