From patchwork Sun Jun 6 13:47:57 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michael Niedermayer X-Patchwork-Id: 28112 Delivered-To: ffmpegpatchwork2@gmail.com Received: by 2002:a6b:b214:0:0:0:0:0 with SMTP id b20csp2716763iof; Sun, 6 Jun 2021 06:49:11 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwoAE9gKD874N2Hk4rbYUatp16XymM1XhTyrAB28xSn3qTHo02kRLum+f81y2LK4A5H29Ju X-Received: by 2002:a17:906:f285:: with SMTP id gu5mr13770897ejb.226.1622987351474; Sun, 06 Jun 2021 06:49:11 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1622987351; cv=none; d=google.com; s=arc-20160816; b=JCMGSQQXIwc9kmlFvVVx6oLv37Bx3C06yQcrY6KHZz3MQXkg55jDCHGdg94AwAGZBr A6lNdQUGP8DsZGU+pikKT8mzCL2eyVW359N6FZyYPQahGrWJMXCWMPmBA2s75SnpdeNz KZufCMPFNxlsYvSFZKxTGlScFnVe7IdgsuIfQP87J0a5bwOl7Y2qdmhgRRsbPtNckVoi lGS2OIclOqeZWjuGNLdTMY1KGF9A5obPqWnucPLJLx9Ys6GIIvBTSgkfrK9RYGXPRJ9Q nqTsmn/SXgRMCN73E76JAUxYd3QEuYOZlmbbZXbS1EeL9mbg53X4EsBeCvgs/nqrFnDh q9Pg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=sender:errors-to:content-transfer-encoding:mime-version:reply-to :list-subscribe:list-help:list-post:list-archive:list-unsubscribe :list-id:precedence:subject:references:in-reply-to:message-id:date :to:from:delivered-to; bh=71KkmRk1x0e/jjCYbEI6bJQHBeJlLVZlnMAVvzhtZ4A=; b=r0jEZKCsA15uMS1kyf7ddU1jdLd8/6m281C4qb07DXGr4IowCW6pNlRoJv6xr7WYbJ kzPez+CS8XOvjLVqKVbqIJmXm7BfX/u2e9MUeRDoSgPxVJEbAkeyv/kmSLpVe7Kp4lNQ Lg+XT4QjjWWbL5ht1TBFnzwtfnResk4bb18p1CONVAKRWqttCbkWEs76UYs8fLITgwC8 wFL5UazhfjW7R94aBw4xk7hDkz6mrWAQ01P+zhvzgcW3s7dRnkyUbZQLWZ1JDCWSWCQ2 oZ40I0AOuWPWVvq0KxTqeYFGeEBOKRxnU8pRcE8a6QsZxIOyEy2SrZZWM6dOYjgyrI5f zzuw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of ffmpeg-devel-bounces@ffmpeg.org designates 79.124.17.100 as permitted sender) smtp.mailfrom=ffmpeg-devel-bounces@ffmpeg.org Return-Path: Received: from ffbox0-bg.mplayerhq.hu (ffbox0-bg.ffmpeg.org. [79.124.17.100]) by mx.google.com with ESMTP id zh8si11938847ejb.109.2021.06.06.06.49.09; Sun, 06 Jun 2021 06:49:11 -0700 (PDT) Received-SPF: pass (google.com: domain of ffmpeg-devel-bounces@ffmpeg.org designates 79.124.17.100 as permitted sender) client-ip=79.124.17.100; Authentication-Results: mx.google.com; spf=pass (google.com: domain of ffmpeg-devel-bounces@ffmpeg.org designates 79.124.17.100 as permitted sender) smtp.mailfrom=ffmpeg-devel-bounces@ffmpeg.org Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id D2C6268A42A; Sun, 6 Jun 2021 16:49:05 +0300 (EEST) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from vie01a-dmta-pe05-3.mx.upcmail.net (vie01a-dmta-pe05-3.mx.upcmail.net [84.116.36.13]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id BE88068A42A for ; Sun, 6 Jun 2021 16:48:58 +0300 (EEST) Received: from [172.31.216.235] (helo=vie01a-pemc-psmtp-pe12.mail.upcmail.net) by vie01a-dmta-pe05.mx.upcmail.net with esmtp (Exim 4.92) (envelope-from ) id 1lpt98-001DBC-1W for ffmpeg-devel@ffmpeg.org; Sun, 06 Jun 2021 15:48:58 +0200 Received: from localhost ([213.47.68.29]) by vie01a-pemc-psmtp-pe12.mail.upcmail.net with ESMTP id pt8AlYUkSljeHpt8AlkgP6; Sun, 06 Jun 2021 15:47:58 +0200 X-Env-Mailfrom: michael@niedermayer.cc X-Env-Rcptto: ffmpeg-devel@ffmpeg.org X-SourceIP: 213.47.68.29 X-CNFS-Analysis: v=2.3 cv=BoHjPrf5 c=1 sm=1 tr=0 a=2hcxjKEKjp0CzLx6oWAm4g==:117 a=2hcxjKEKjp0CzLx6oWAm4g==:17 a=MKtGQD3n3ToA:10 a=1oJP67jkp3AA:10 a=GEAsPZ9sns4A:10 a=ZZnuYtJkoWoA:10 a=qE2J4wEx0yT5OdOkMmIA:9 a=pHzHmUro8NiASowvMSCR:22 a=Ew2E2A-JSTLzCXPT_086:22 From: Michael Niedermayer To: FFmpeg development discussions and patches Date: Sun, 6 Jun 2021 15:47:57 +0200 Message-Id: <20210606134757.18919-5-michael@niedermayer.cc> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210606134757.18919-1-michael@niedermayer.cc> References: <20210606134757.18919-1-michael@niedermayer.cc> X-CMAE-Envelope: MS4wfDa17lGcx04/olBunAzprRIRZdN8Bv+0woCy7t5JDAEJX/Zkipt9X3mSbnkQGzZpa0+cM+hgBROICrcs9Ltshey8lbLgqGbk0yJY9p1YxIJDasEqlHzc UZp6bP4NH0jDbsb/sZS/p8NgyzuW0p9MCrUQyTkTUCOFtswzTfRSOL1V Subject: [FFmpeg-devel] [PATCH 5/5] avfilter/af_drmeter: Check that there is data X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: FFmpeg development discussions and patches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: FFmpeg development discussions and patches MIME-Version: 1.0 Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" X-TUID: QgjNnU5Z0cpx Fixes: floating point division by 0 Fixes: -nan is outside the range of representable values of type 'int' Fixes: Ticket8307 Signed-off-by: Michael Niedermayer --- libavfilter/af_drmeter.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/libavfilter/af_drmeter.c b/libavfilter/af_drmeter.c index 3774259da3..58932fe6c5 100644 --- a/libavfilter/af_drmeter.c +++ b/libavfilter/af_drmeter.c @@ -167,6 +167,11 @@ static void print_stats(AVFilterContext *ctx) float chdr, secondpeak, rmssum = 0; int i, j, first = 0; + if (!p->nb_samples) { + av_log(ctx, AV_LOG_INFO, "No data, dynamic range not meassurable\n"); + return; + } + finish_block(p); for (i = 0; i <= 10000; i++) {