[PR] avformat/hlsenc: initialize avg_bandwidth (PR #23577)

PR #23577 opened by Kacper Michajłow (kasper93)
URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/23577
Patch URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/23577.patch

Fixes use of uninitialized value and dumping it into AVERAGE-BANDWIDTH
in playlist. Note this will be correctly set when we are at final
segment, otherwise it's optional.

Fixes: fate-hls-seek test on MSAN build


From a6578255d3ba7ab1ffd44a508409b264511a5df0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Kacper=20Michaj=C5=82ow?= <[email protected]>
Date: Wed, 24 Jun 2026 03:32:54 +0200
Subject: [PATCH] avformat/hlsenc: initialize avg_bandwidth
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Fixes use of uninitialized value and dumping it into AVERAGE-BANDWIDTH
in playlist. Note this will be correctly set when we are at final
segment, otherwise it's optional.

Fixes: fate-hls-seek test on MSAN build

Signed-off-by: Kacper Michajłow <[email protected]>
---
 libavformat/hlsenc.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libavformat/hlsenc.c b/libavformat/hlsenc.c
index c9adbe5b44..0b69ae4b3b 100644
--- a/libavformat/hlsenc.c
+++ b/libavformat/hlsenc.c
@@ -1472,6 +1472,7 @@ static int create_master_playlist(AVFormatContext *s,
             avg_bandwidth = vs->avg_bitrate;
         } else {
             bandwidth = 0;
+            avg_bandwidth = 0;
             if (vid_st)
                 bandwidth += get_stream_bit_rate(vid_st);
             if (aud_st)
-- 
2.52.0

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