From patchwork Thu Dec 29 21:10:52 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?q?Miroslav_Sluge=C5=88?= X-Patchwork-Id: 1987 Delivered-To: ffmpegpatchwork@gmail.com Received: by 10.103.89.21 with SMTP id n21csp2580514vsb; Thu, 29 Dec 2016 13:11:03 -0800 (PST) X-Received: by 10.28.184.23 with SMTP id i23mr43368565wmf.66.1483045863611; Thu, 29 Dec 2016 13:11:03 -0800 (PST) Return-Path: Received: from ffbox0-bg.mplayerhq.hu (ffbox0-bg.ffmpeg.org. [79.124.17.100]) by mx.google.com with ESMTP id f83si32468791wmf.28.2016.12.29.13.11.02; Thu, 29 Dec 2016 13:11:03 -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=@email.cz; dkim=neutral (body hash did not verify) header.i=@email.cz; 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; dmarc=fail (p=NONE dis=NONE) header.from=email.cz Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id AD89B689C23; Thu, 29 Dec 2016 23:10:57 +0200 (EET) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from mxh1.seznam.cz (mxh1.seznam.cz [77.75.78.26]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 94809689AD9 for ; Thu, 29 Dec 2016 23:10:51 +0200 (EET) Received: from email.seznam.cz by email-smtpc3a.ko.seznam.cz (email-smtpc3a.ko.seznam.cz [10.53.10.75]) id 3479229100ae3a8d34eb0b9c; Thu, 29 Dec 2016 22:10:54 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=email.cz; s=beta; t=1483045854; bh=pu9DXodGAvPoGovUiWqwBf6oCamcw9/nEHFS5vjv72k=; h=DKIM-Signature:Received:From:Subject:To:Message-ID:Date: User-Agent:MIME-Version:Content-Type; b=lesND2r4ZOoL57NJNOugGNZvHq2VBNfDJr299BkGxVETYHJ3km5F0mhJJKBH3SFDT 7e1nEoOBSt9CMGkj/AxHEpxNFVi7jUZMeLc9gRtLNyinXHOVDQ8My/6tQemP9WByON 4RfJ7ATYU0dq74UFfLco4lzDTkUCKZvgLEWjGrWI= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=email.cz; s=beta; t=1483045854; bh=pu9DXodGAvPoGovUiWqwBf6oCamcw9/nEHFS5vjv72k=; h=Received:From:Subject:To:Message-ID:Date:User-Agent:MIME-Version: Content-Type; b=MnVuikvKU4huQm4zKPOH5lADGgoW9x7rnYoptvmV2Xz9FlTMJqdOr8G5/+g7KYzIu 0jbQs2fN4aMnWNNIo7yrFP9IUiK1uULfN7zrZDNNM+Hs5umfAwR2HiHGwQYMdn/lZu XfbIs0BbkpvWQiOkim1s8Vf0DZPZKSyzpCeczLqw= Received: from [192.168.0.6] (ip-94-113-140-7.net.upcbroadband.cz [94.113.140.7]) by email-relay17.ko.seznam.cz (Seznam SMTPD 1.3.41) with ESMTP; Thu, 29 Dec 2016 22:10:53 +0100 (CET) From: =?UTF-8?Q?Miroslav_Sluge=c5=88?= To: ffmpeg-devel@ffmpeg.org Message-ID: <58657BDC.4070309@email.cz> Date: Thu, 29 Dec 2016 22:10:52 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.0.1 MIME-Version: 1.0 Subject: [FFmpeg-devel] [PATCH] NVENC: Round qpIntra and qpInter calculation 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 Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" Round qpIntra and qpInter calculation instead of old floor behavior. Adopted from vaapi_encode_h264.c From f983a74bd055d2786de2f3f0227d444361310721 Mon Sep 17 00:00:00 2001 From: Miroslav Slugen Date: Thu, 29 Dec 2016 22:08:41 +0100 Subject: [PATCH 1/1] NVENC: Round qpIntra and qpInter calculation --- libavcodec/nvenc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/libavcodec/nvenc.c b/libavcodec/nvenc.c index d57a90c..1fa9659 100644 --- a/libavcodec/nvenc.c +++ b/libavcodec/nvenc.c @@ -544,9 +544,9 @@ static av_cold void set_vbr(AVCodecContext *avctx) if (avctx->i_quant_factor != 0.0 && avctx->b_quant_factor != 0.0) { rc->initialRCQP.qpIntra = av_clip( - qp_inter_p * fabs(avctx->i_quant_factor) + avctx->i_quant_offset, 0, 51); + qp_inter_p * fabs(avctx->i_quant_factor) + avctx->i_quant_offset + 0.5, 0, 51); rc->initialRCQP.qpInterB = av_clip( - qp_inter_p * fabs(avctx->b_quant_factor) + avctx->b_quant_offset, 0, 51); + qp_inter_p * fabs(avctx->b_quant_factor) + avctx->b_quant_offset + 0.5, 0, 51); } else { rc->initialRCQP.qpIntra = qp_inter_p; rc->initialRCQP.qpInterB = qp_inter_p; -- 2.1.4