From patchwork Wed Apr 29 15:14:16 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lance Wang X-Patchwork-Id: 19376 Return-Path: X-Original-To: patchwork@ffaux-bg.ffmpeg.org Delivered-To: patchwork@ffaux-bg.ffmpeg.org Received: from ffbox0-bg.mplayerhq.hu (ffbox0-bg.ffmpeg.org [79.124.17.100]) by ffaux.localdomain (Postfix) with ESMTP id 145AC44AEFB for ; Wed, 29 Apr 2020 18:14:40 +0300 (EEST) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id E899568C084; Wed, 29 Apr 2020 18:14:39 +0300 (EEST) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from mail-pl1-f193.google.com (mail-pl1-f193.google.com [209.85.214.193]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id EFB7668BFDA for ; Wed, 29 Apr 2020 18:14:29 +0300 (EEST) Received: by mail-pl1-f193.google.com with SMTP id c21so944538plz.4 for ; Wed, 29 Apr 2020 08:14:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=/fim3QIYV28wT3JE9H6rtaT3cU94ZGi6hvxKLN2uHYY=; b=UbpJd8j2fKSpZd/vJ66KUAr5DA5TjA0uyVWd2B9Zkb20m2iy0Ph1BhABdqTNsfF2zQ aD1+gUZqk96RAf3xoy0KpFp/BBU0wyJUY79sKrn7x6lgGg47NdDGvbqGOQWIiS5j9zej 5auME63y15eBt6INKoidtRNN2RklM8hYW9sgTMSn3LAPbqMF68kIem+Cgho3cRg40EUX 5orwNKi2ZYzM/dwCwUXBTq3RrjGaCGNfRKUziUkZnGfxpaVJ+xz2GudNZxQlq7SBv+T3 Heuac5XGXeHVBCJppytRvsxGG3h+Kf5HYCj8weC3n0XNenn2duPSck/Qg+RQIY3bFw4h TANA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=/fim3QIYV28wT3JE9H6rtaT3cU94ZGi6hvxKLN2uHYY=; b=JA7B2eLcai08NZQpll4WR/PIw5ojuIidaFyWtN3mC+dkleIjeoerXRzpeSIT+uvpdC OdE2KHC5DOI7Do08EBLETcfYzZO+2E58CvELC/8xvqnnl86Kw2EmhlKOeoLEdO1hZGai mMBXvKguzZWLlmQ/FDFvMzxTFKcZdFOoh1JupkpkdZHDVEONcgn5oFMEJkoZNGaGqcbm f1oS7fqSGlSHpGyhVgyeD9PyjiGpK8GrorbrGQ5GK+NF8P/0019DjOIjf/8PuGiWQHZr VhCjQagpbBkb8MDi/LS04pCJ2XvpF1WkTS4Cn5J78iCLC086QqRwpkB2CEzb7vMqGqLD TxfQ== X-Gm-Message-State: AGi0PuYWksjmGNEN5Uzap3bBgUV7h0qvwHthQWNnxeokuYXhlyQziXvS AdWnXOsvY2x8LZ2HHBHZeLWTKNF6 X-Google-Smtp-Source: APiQypJWnAVIMTY/8gxJ0upWwPMVku9vLbmL49regDXHVbBa1oZhYfn9gVSEFDz/fF5wgolv/Xug/Q== X-Received: by 2002:a17:90a:840e:: with SMTP id j14mr3634073pjn.85.1588173268042; Wed, 29 Apr 2020 08:14:28 -0700 (PDT) Received: from vpn2.localdomain ([161.117.202.209]) by smtp.gmail.com with ESMTPSA id t12sm1243688pgm.37.2020.04.29.08.14.26 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Wed, 29 Apr 2020 08:14:27 -0700 (PDT) From: lance.lmwang@gmail.com To: ffmpeg-devel@ffmpeg.org Date: Wed, 29 Apr 2020 23:14:16 +0800 Message-Id: <1588173257-14531-4-git-send-email-lance.lmwang@gmail.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1588173257-14531-1-git-send-email-lance.lmwang@gmail.com> References: <1588173257-14531-1-git-send-email-lance.lmwang@gmail.com> Subject: [FFmpeg-devel] [PATCH 4/5] avformat/movenc: check the return value of avio_get_dyn_buf() 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: Limin Wang MIME-Version: 1.0 Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" From: Limin Wang Signed-off-by: Limin Wang --- libavformat/movenc.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/libavformat/movenc.c b/libavformat/movenc.c index 32e8109268..1a97e7c883 100644 --- a/libavformat/movenc.c +++ b/libavformat/movenc.c @@ -5251,10 +5251,11 @@ static int mov_flush_fragment(AVFormatContext *s, int force) return 0; } - buf_size = avio_get_dyn_buf(mov->mdat_buf, &buf); + if ((buf_size = avio_get_dyn_buf(mov->mdat_buf, &buf)) > 0) { avio_wb32(s->pb, buf_size + 8); ffio_wfourcc(s->pb, "mdat"); avio_write(s->pb, buf, buf_size); + } ffio_free_dyn_buf(&mov->mdat_buf); if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)