From patchwork Wed Sep 2 04:01:03 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Xiang, Haihao" X-Patchwork-Id: 22060 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 B5AB944AFCF for ; Wed, 2 Sep 2020 07:01:16 +0300 (EEST) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 96C0A687FFD; Wed, 2 Sep 2020 07:01:16 +0300 (EEST) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id AEBCD687FFD for ; Wed, 2 Sep 2020 07:01:08 +0300 (EEST) IronPort-SDR: QsYukRZ7ngubJlonJt/OdasveskYdeH8+xX8yy3nEz3jdfG0wsVGrR9Kg0qJ1jAFje9OJboaEr YREMaprfbJPw== X-IronPort-AV: E=McAfee;i="6000,8403,9731"; a="145050630" X-IronPort-AV: E=Sophos;i="5.76,381,1592895600"; d="scan'208";a="145050630" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Sep 2020 21:01:05 -0700 IronPort-SDR: i969oFO3OFrJRxZN1p2hIBG3OHKO8hVV+D07KOlZB0t/kPmmFEt0Kq0x368/M2nAU++E2fYs5z TBsodcBL/nYQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.76,381,1592895600"; d="scan'208";a="502511305" Received: from xhh-tgl64.sh.intel.com ([10.239.159.152]) by fmsmga005.fm.intel.com with ESMTP; 01 Sep 2020 21:01:04 -0700 From: Haihao Xiang To: ffmpeg-devel@ffmpeg.org Date: Wed, 2 Sep 2020 12:01:03 +0800 Message-Id: <20200902040103.85196-1-haihao.xiang@intel.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Subject: [FFmpeg-devel] [PATCH] ffmpeg_qsv: use -hwaccel_device to specify a device for VAAPI backend 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: Haihao Xiang Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" According to the FFmpeg documentation, -hwaccel_device can be used to select a device for hardware acceleration Example: ffmpeg -hwaccel qsv -hwaccel_device /dev/dri/renderD129 -c:v h264_qsv \ -i in.h264 -c:v hevc_qsv out.h265 --- fftools/ffmpeg_qsv.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/fftools/ffmpeg_qsv.c b/fftools/ffmpeg_qsv.c index 960c88b69d..b7e7ab0e53 100644 --- a/fftools/ffmpeg_qsv.c +++ b/fftools/ffmpeg_qsv.c @@ -55,6 +55,14 @@ static int qsv_device_init(InputStream *ist) return err; } +#if CONFIG_VAAPI + else if (ist->hwaccel_device && !strncmp(ist->hwaccel_device, "/dev/dri/", 9)) { + err = av_dict_set(&dict, "child_device", ist->hwaccel_device, 0); + if (err < 0) + return err; + } +#endif + err = av_hwdevice_ctx_create(&hw_device_ctx, AV_HWDEVICE_TYPE_QSV, ist->hwaccel_device, dict, 0); if (err < 0) {