From: Gerion Entrup <gerion.entrup@flump.de>
To: ffmpeg-devel@ffmpeg.org
Subject: [FFmpeg-devel] [PATCH 1/2] libavfilter/signature_lookup: fix possible division by zero
Date: Mon, 6 May 2024 00:30:39 +0200
Message-ID: <20240505223040.521838-1-gerion.entrup@flump.de> (raw)
---
libavfilter/signature_lookup.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavfilter/signature_lookup.c b/libavfilter/signature_lookup.c
index a0ca818a9b..b39a3e225b 100644
--- a/libavfilter/signature_lookup.c
+++ b/libavfilter/signature_lookup.c
@@ -128,7 +128,7 @@ static int get_jaccarddist(SignatureContext *sc, CoarseSignature *first, CoarseS
int jaccarddist, i, composdist = 0, cwthcount = 0;
for (i = 0; i < 5; i++) {
if ((jaccarddist = intersection_word(first->data[i], second->data[i])) > 0) {
- jaccarddist /= union_word(first->data[i], second->data[i]);
+ jaccarddist /= FFMAX(union_word(first->data[i], second->data[i]), 1);
}
if (jaccarddist >= sc->thworddist) {
if (++cwthcount > 2) {
--
2.43.2
_______________________________________________
ffmpeg-devel mailing list
ffmpeg-devel@ffmpeg.org
https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
To unsubscribe, visit link above, or email
ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe".
next reply other threads:[~2024-05-05 22:31 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-05-05 22:30 Gerion Entrup [this message]
2024-05-05 22:30 ` [FFmpeg-devel] [PATCH 2/2] libavfilter/signature_lookup: fix jaccard distance Gerion Entrup
2024-05-07 17:46 ` [FFmpeg-devel] [PATCH 1/2] libavfilter/signature_lookup: fix possible division by zero Michael Niedermayer
2024-05-24 10:33 ` Gerion Entrup
2024-05-24 21:03 ` Michael Niedermayer
2024-05-26 15:08 ` Gerion Entrup
2024-05-26 17:26 ` Michael Niedermayer
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20240505223040.521838-1-gerion.entrup@flump.de \
--to=gerion.entrup@flump.de \
--cc=ffmpeg-devel@ffmpeg.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Git Inbox Mirror of the ffmpeg-devel mailing list - see https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
This inbox may be cloned and mirrored by anyone:
git clone --mirror https://master.gitmailbox.com/ffmpegdev/0 ffmpegdev/git/0.git
# If you have public-inbox 1.1+ installed, you may
# initialize and index your mirror using the following commands:
public-inbox-init -V2 ffmpegdev ffmpegdev/ https://master.gitmailbox.com/ffmpegdev \
ffmpegdev@gitmailbox.com
public-inbox-index ffmpegdev
Example config snippet for mirrors.
AGPL code for this site: git clone https://public-inbox.org/public-inbox.git