From patchwork Mon Nov 5 09:37:02 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Fu, Linjie" X-Patchwork-Id: 10925 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 4EBA344C769 for ; Mon, 5 Nov 2018 11:37:10 +0200 (EET) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id A3A4E68A7E9; Mon, 5 Nov 2018 11:36:41 +0200 (EET) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id EE22068A660 for ; Mon, 5 Nov 2018 11:36:34 +0200 (EET) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga005.jf.intel.com ([10.7.209.41]) by fmsmga104.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 05 Nov 2018 01:37:07 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.54,467,1534834800"; d="scan'208";a="271437199" Received: from kubernetes-master.sh.intel.com ([10.239.159.155]) by orsmga005.jf.intel.com with ESMTP; 05 Nov 2018 01:37:06 -0800 From: Linjie Fu To: ffmpeg-devel@ffmpeg.org Date: Mon, 5 Nov 2018 17:37:02 +0800 Message-Id: <20181105093702.31412-1-linjie.fu@intel.com> X-Mailer: git-send-email 2.17.1 Subject: [FFmpeg-devel] [PATCH] avfilter/vf_overlay_qsv: initialize default pix_fmt 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: Linjie Fu MIME-Version: 1.0 Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" add default initiaization for pix_fmt in function have_alpha_panar to avoid using uninitialized value. Signed-off-by: Linjie Fu --- libavfilter/vf_overlay_qsv.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/libavfilter/vf_overlay_qsv.c b/libavfilter/vf_overlay_qsv.c index 20871786ee..79d6a58ec3 100644 --- a/libavfilter/vf_overlay_qsv.c +++ b/libavfilter/vf_overlay_qsv.c @@ -167,7 +167,8 @@ static int have_alpha_planar(AVFilterLink *link) if (link->format == AV_PIX_FMT_QSV) { fctx = (AVHWFramesContext *)link->hw_frames_ctx->data; pix_fmt = fctx->sw_format; - } + } else + pix_fmt = AV_PIX_FMT_NONE; desc = av_pix_fmt_desc_get(pix_fmt); if (!desc)