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[79.124.17.100]) by mx.google.com with ESMTP id u2-20020a50c2c2000000b0055341f3d51esi4589472edf.566.2024.01.15.21.28.09; Mon, 15 Jan 2024 21:28:10 -0800 (PST) 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; dkim=neutral (body hash did not verify) header.i=@intel.com header.s=Intel header.b=Y5FE2+96; 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 5C0EF68CF01; Tue, 16 Jan 2024 07:28:01 +0200 (EET) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from mgamail.intel.com (mgamail.intel.com [134.134.136.31]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id AF40D68C89E for ; Tue, 16 Jan 2024 07:27:53 +0200 (EET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1705382878; x=1736918878; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=dyKqF0yP6CsxWYnsnGJF9PJ+mWc+PpqLNqbMYbblY04=; b=Y5FE2+96M9k0qSu3ci+KaF8kagYqi9mZOKVG5rii/rkFAnBrOYKj/UYy uNxOzLSAUbTbbd/71wmwcRuZNPiWUcrLWcO3w2ilUgtgbsk+6xQMROD4y RTNB3IX8jAX4XpkYEMiI5yPuIuLqImHQCNaw5ZwtgIfewxpnetuLMEH5B LrHEoCuYigd2aVsKO9LuHhlIYaeF+r3fDXAmxNn6Ryr6g03F68UdV71Gb SK0QpWddMnz37VULnfQak2pwov4Fn/HQYnhAhUje+Jk1Yp1aI0O1FQzm8 8nnc003aLu2VqAxjxMfoGbQmjkEfy+oh+E/y3Pe/mAFsZYa8e2y4TTfJT g==; X-IronPort-AV: E=McAfee;i="6600,9927,10954"; a="464041762" X-IronPort-AV: E=Sophos;i="6.04,198,1695711600"; d="scan'208";a="464041762" Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Jan 2024 21:27:46 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10954"; a="818047974" X-IronPort-AV: E=Sophos;i="6.04,198,1695711600"; d="scan'208";a="818047974" Received: from xhh-dg264.sh.intel.com ([10.238.2.76]) by orsmga001-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Jan 2024 21:27:45 -0800 From: "Xiang, Haihao" To: ffmpeg-devel@ffmpeg.org Date: Tue, 16 Jan 2024 13:23:11 +0800 Message-Id: <20240116052311.1328243-2-haihao.xiang@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240116052311.1328243-1-haihao.xiang@intel.com> References: <20240116052311.1328243-1-haihao.xiang@intel.com> MIME-Version: 1.0 Subject: [FFmpeg-devel] [PATCH v3 2/2] doc/ffmpeg: update the documentation about vaapi device creation 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 Cc: Haihao Xiang Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" X-TUID: C6iIBlpyZMOh From: Haihao Xiang Signed-off-by: Haihao Xiang --- doc/ffmpeg.texi | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/doc/ffmpeg.texi b/doc/ffmpeg.texi index d086d2e554..bfb3772654 100644 --- a/doc/ffmpeg.texi +++ b/doc/ffmpeg.texi @@ -1385,6 +1385,29 @@ If not specified, it will attempt to open the default X11 display (@emph{$DISPLA and then the first DRM render node (@emph{/dev/dri/renderD128}), or the default DirectX adapter on Windows. +The following options are recognized: +@table @option +@item kernel_driver +When @var{device} is not specified, use this option to specify the name of the kernel +driver associated with the desired device. This option is available only when +the hardware acceleration method @emph{drm} and @emph{vaapi} are enabled. +@end table + +Examples: +@table @emph +@item -init_hw_device vaapi +Create a vaapi device on the default device. + +@item -init_hw_device vaapi:/dev/dri/renderD129 +Create a vaapi device on DRM render node @file{/dev/dri/renderD129}. + +@item -init_hw_device vaapi:1 +Create a vaapi device on DirectX adapter 1. + +@item -init_hw_device vaapi:,kernel_driver=i915 +Create a vaapi device on a device associated with kernel driver @samp{i915}. +@end table + @item vdpau @var{device} is an X11 display name. If not specified, it will attempt to open the default X11 display (@emph{$DISPLAY}).