From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ffbox0-bg.mplayerhq.hu (ffbox0-bg.ffmpeg.org [79.124.17.100]) by master.gitmailbox.com (Postfix) with ESMTP id 29E7745EA0 for ; Wed, 14 Jun 2023 16:51:51 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id A803868C4DD; Wed, 14 Jun 2023 19:50:11 +0300 (EEST) Received: from mail0.khirnov.net (red.khirnov.net [176.97.15.12]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 48CB568C472 for ; Wed, 14 Jun 2023 19:50:03 +0300 (EEST) Received: from localhost (localhost [IPv6:::1]) by mail0.khirnov.net (Postfix) with ESMTP id 09F322404F5 for ; Wed, 14 Jun 2023 18:50:03 +0200 (CEST) Received: from mail0.khirnov.net ([IPv6:::1]) by localhost (mail0.khirnov.net [IPv6:::1]) (amavisd-new, port 10024) with ESMTP id 66qoDbumTwa0 for ; Wed, 14 Jun 2023 18:50:02 +0200 (CEST) Received: from libav.khirnov.net (libav.khirnov.net [IPv6:2a00:c500:561:201::7]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "libav.khirnov.net", Issuer "smtp.khirnov.net SMTP CA" (verified OK)) by mail0.khirnov.net (Postfix) with ESMTPS id 1B3C32406D0 for ; Wed, 14 Jun 2023 18:49:54 +0200 (CEST) Received: from libav.khirnov.net (libav.khirnov.net [IPv6:::1]) by libav.khirnov.net (Postfix) with ESMTP id A815A3A0909 for ; Wed, 14 Jun 2023 18:49:47 +0200 (CEST) From: Anton Khirnov To: ffmpeg-devel@ffmpeg.org Date: Wed, 14 Jun 2023 18:48:59 +0200 Message-Id: <20230614164908.28712-12-anton@khirnov.net> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230614164908.28712-1-anton@khirnov.net> References: <20230614164908.28712-1-anton@khirnov.net> MIME-Version: 1.0 Subject: [FFmpeg-devel] [PATCH 12/21] fftools/ffmpeg_filter: reject filtergraphs with zero outputs 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 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" Archived-At: List-Archive: List-Post: Nothing useful can be done with them currently. --- fftools/ffmpeg_filter.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/fftools/ffmpeg_filter.c b/fftools/ffmpeg_filter.c index 4f7565e44e..54c7ed1f5c 100644 --- a/fftools/ffmpeg_filter.c +++ b/fftools/ffmpeg_filter.c @@ -845,6 +845,12 @@ FilterGraph *fg_create(char *graph_desc) ofilter->name = describe_filter_link(fg, cur, 0); } + if (!fg->nb_outputs) { + av_log(fg, AV_LOG_FATAL, "A filtergraph has zero outputs, this is not supported\n"); + ret = AVERROR(ENOSYS); + goto fail; + } + fail: avfilter_inout_free(&inputs); avfilter_inout_free(&outputs); -- 2.40.1 _______________________________________________ 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".