From patchwork Fri Sep 30 09:29:06 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marton Balint X-Patchwork-Id: 789 Delivered-To: ffmpegpatchwork@gmail.com Received: by 10.103.140.66 with SMTP id o63csp123943vsd; Fri, 30 Sep 2016 02:29:42 -0700 (PDT) X-Received: by 10.28.96.65 with SMTP id u62mr3018045wmb.106.1475227782144; Fri, 30 Sep 2016 02:29:42 -0700 (PDT) Return-Path: Received: from ffbox0-bg.mplayerhq.hu (ffbox0-bg.ffmpeg.org. [79.124.17.100]) by mx.google.com with ESMTP id le9si19707022wjc.201.2016.09.30.02.29.41; Fri, 30 Sep 2016 02:29:42 -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 0386E689FAD; Fri, 30 Sep 2016 12:29:22 +0300 (EEST) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from iq.passwd.hu (iq.passwd.hu [217.27.212.140]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 41A8B689FA0 for ; Fri, 30 Sep 2016 12:29:15 +0300 (EEST) Received: from localhost (localhost [127.0.0.1]) by iq.passwd.hu (Postfix) with ESMTP id 24F8D100B9D; Fri, 30 Sep 2016 11:29:28 +0200 (CEST) X-Virus-Scanned: amavisd-new at passwd.hu Received: from iq.passwd.hu ([127.0.0.1]) by localhost (iq.passwd.hu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id PppbBbrazNIA; Fri, 30 Sep 2016 11:29:27 +0200 (CEST) Received: from bluegene.passwd.hu (localhost [127.0.0.1]) by iq.passwd.hu (Postfix) with ESMTP id F1CE3101383; Fri, 30 Sep 2016 11:29:26 +0200 (CEST) From: Marton Balint To: ffmpeg-devel@ffmpeg.org Date: Fri, 30 Sep 2016 11:29:06 +0200 Message-Id: <1475227747-11938-2-git-send-email-cus@passwd.hu> X-Mailer: git-send-email 2.6.6 In-Reply-To: <1475227747-11938-1-git-send-email-cus@passwd.hu> References: <1475227747-11938-1-git-send-email-cus@passwd.hu> Subject: [FFmpeg-devel] [PATCH 2/3] ffmpeg: warn users about demuxers producing zero sized packets X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.20 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 Cc: Marton Balint MIME-Version: 1.0 Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" Signed-off-by: Marton Balint --- ffmpeg.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/ffmpeg.c b/ffmpeg.c index 9a8e65a..2296df8 100644 --- a/ffmpeg.c +++ b/ffmpeg.c @@ -3865,10 +3865,19 @@ static int process_input(int file_index) int ret, i, j; int64_t duration; int64_t pkt_dts; + static int warned_zero_sized_packet_bug = 0; is = ifile->ctx; ret = get_input_packet(ifile, &pkt); + if (ret >= 0 && pkt.size == 0) { + if (!warned_zero_sized_packet_bug) { + av_log(is, AV_LOG_ERROR, "Demuxer is generating zero sized packets, report this bug!\n"); + warned_zero_sized_packet_bug = 1; + } + ret = AVERROR(EAGAIN); + } + if (ret == AVERROR(EAGAIN)) { ifile->eagain = 1; return ret;