From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: <ffmpeg-devel-bounces@ffmpeg.org> Received: from ffbox0-bg.mplayerhq.hu (ffbox0-bg.ffmpeg.org [79.124.17.100]) by master.gitmailbox.com (Postfix) with ESMTPS id 979094E898 for <ffmpegdev@gitmailbox.com>; Mon, 17 Mar 2025 14:24:46 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 9AE49687CF1; Mon, 17 Mar 2025 16:24:41 +0200 (EET) Received: from haasn.dev (haasn.dev [78.46.187.166]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 0F494687B1E for <ffmpeg-devel@ffmpeg.org>; Mon, 17 Mar 2025 16:24:35 +0200 (EET) Received: from haasn.dev (unknown [10.30.1.1]) by haasn.dev (Postfix) with UTF8SMTP id 637F1406F0; Mon, 17 Mar 2025 15:24:34 +0100 (CET) From: Niklas Haas <ffmpeg@haasn.xyz> To: ffmpeg-devel@ffmpeg.org Date: Mon, 17 Mar 2025 15:24:32 +0100 Message-ID: <20250317142432.403855-1-ffmpeg@haasn.xyz> X-Mailer: git-send-email 2.48.1 MIME-Version: 1.0 Subject: [FFmpeg-devel] [PATCH] avfilter/vf_libplacebo: don't explode on zero FPS information X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: FFmpeg development discussions and patches <ffmpeg-devel.ffmpeg.org> List-Unsubscribe: <https://ffmpeg.org/mailman/options/ffmpeg-devel>, <mailto:ffmpeg-devel-request@ffmpeg.org?subject=unsubscribe> List-Archive: <https://ffmpeg.org/pipermail/ffmpeg-devel> List-Post: <mailto:ffmpeg-devel@ffmpeg.org> List-Help: <mailto:ffmpeg-devel-request@ffmpeg.org?subject=help> List-Subscribe: <https://ffmpeg.org/mailman/listinfo/ffmpeg-devel>, <mailto:ffmpeg-devel-request@ffmpeg.org?subject=subscribe> Reply-To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org> Cc: Niklas Haas <git@haasn.dev> Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" <ffmpeg-devel-bounces@ffmpeg.org> Archived-At: <https://master.gitmailbox.com/ffmpegdev/20250317142432.403855-1-ffmpeg@haasn.xyz/> List-Archive: <https://master.gitmailbox.com/ffmpegdev/> List-Post: <mailto:ffmpegdev@gitmailbox.com> From: Niklas Haas <git@haasn.dev> While technically not specifiad as valid by the AVFilterLink documentation, it is currently possible to get an FPS of zero from various sources inside libavfilter (notably vf_buffersrc). Avoid a division by zero and resulting infinity when this happens. --- libavfilter/vf_libplacebo.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavfilter/vf_libplacebo.c b/libavfilter/vf_libplacebo.c index 0c245cda7f..86e1f43dea 100644 --- a/libavfilter/vf_libplacebo.c +++ b/libavfilter/vf_libplacebo.c @@ -1073,7 +1073,7 @@ static int libplacebo_activate(AVFilterContext *ctx) in->qstatus = pl_queue_update(in->queue, &in->mix, pl_queue_params( .pts = out_pts * av_q2d(outlink->time_base), .radius = pl_frame_mix_radius(&s->opts->params), - .vsync_duration = av_q2d(av_inv_q(l->frame_rate)), + .vsync_duration = l->frame_rate.num ? av_q2d(av_inv_q(l->frame_rate)) : 0, )); switch (in->qstatus) { -- 2.48.1 _______________________________________________ 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".