From patchwork Mon Jul 15 11:00:00 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Fu, Linjie" X-Patchwork-Id: 13950 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 00C4944A104 for ; Mon, 15 Jul 2019 14:00:25 +0300 (EEST) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id DE65B68AB3C; Mon, 15 Jul 2019 14:00:24 +0300 (EEST) 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 0124F68A913 for ; Mon, 15 Jul 2019 14:00:17 +0300 (EEST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga004.jf.intel.com ([10.7.209.38]) by fmsmga104.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 15 Jul 2019 04:00:16 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.63,493,1557212400"; d="scan'208";a="318643616" Received: from media_lj_kbl.sh.intel.com ([10.239.13.115]) by orsmga004.jf.intel.com with ESMTP; 15 Jul 2019 04:00:15 -0700 From: Linjie Fu To: ffmpeg-devel@ffmpeg.org Date: Mon, 15 Jul 2019 19:00:00 +0800 Message-Id: <20190715110000.5069-1-linjie.fu@intel.com> X-Mailer: git-send-email 2.17.1 Subject: [FFmpeg-devel] [PATCH 2/2] doc/vaapi_encode: add documentations for max_frame_size 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 docs for max_frame_size option. Signed-off-by: Linjie Fu --- doc/encoders.texi | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/doc/encoders.texi b/doc/encoders.texi index eefd124751..ea43900e91 100644 --- a/doc/encoders.texi +++ b/doc/encoders.texi @@ -2899,6 +2899,12 @@ will refer only to P- or I-frames. When set to greater values multiple layers of B-frames will be present, frames in each layer only referring to frames in higher layers. +@item max_frame_size +Set the allowed max size in bytes for each frame. If the frame size exceeds +the limitation, encoder will adjust the QP value by adding delta_qp for each +pass to control the frame size. To simplify the usage, delta_qp is set to +default. + @item rc_mode Set the rate control mode to use. A given driver may only support a subset of modes.