From patchwork Tue Mar 9 15:57:00 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitrii Ovchinnikov X-Patchwork-Id: 26280 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 F20BF44BD46 for ; Tue, 9 Mar 2021 18:05:21 +0200 (EET) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id D8EBA68A920; Tue, 9 Mar 2021 18:05:21 +0200 (EET) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from mail-wr1-f54.google.com (mail-wr1-f54.google.com [209.85.221.54]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id B6A1F68A767 for ; Tue, 9 Mar 2021 18:05:15 +0200 (EET) Received: by mail-wr1-f54.google.com with SMTP id j2so16678804wrx.9 for ; Tue, 09 Mar 2021 08:05:15 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=puV2w8Jth4xWIYI8u25ULRbNfsIYq4BcNtFro+/FI6U=; b=AZywT7hnGwYG5ZctIL6jZ+R2xecKBIehJ2w14RQM0d7VlLI55vfid9HxjuZam9DKjP uc2goC2ZXV/vUQz7crS5VWq5vDdOchMvHYCipPE4zubY/iLaCCZoeH8YZi71/lUMiPjI YAmTvRw8gAs8cEtRLBGy6cWTGaLpTots5PUYfZkdUqUzYmEekqHyyfwHrBd+XXZyc/iX b80D2dhuwh9ZU8bsLaKuY7L/OtwAj6h7ZVckWZhTx+6jIUsNIqVToeJzaFfkJDBtxVb8 8M5d08cSPQo34dHcsRUb/QhYsO9hVoi6Ni8igAeMsbHatxG+LoChu6MSrmK4t5595GkB 4N9A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=puV2w8Jth4xWIYI8u25ULRbNfsIYq4BcNtFro+/FI6U=; b=ea5vat4ZAcTo0pSJq0J7eLYJbdS7nh0NToWuJQqQGooYAYsqqUfleRmTHzOP5uUU9T pcyD1nFYswzv6qw7Ua6uv93FSjNC+CAomGKp8YV8J/+mQ4MFxEN1BD7koJgYUOnnXFGH cqGIy7MxfY0HO7QHQEikf3Z8fWcQNyuJxnJiZ4VUFzotyfhMjOvANjT1C1dOFjN6mwHP oFCJtKwPGVrUZRhGq7Fd/0CLo0HnCMn4V7l7KvlF4ikc3BIhv83VZg/koew6nAdFNXpI QMQWMGbmAN2o975HAWDdT7CVZPp2WN5tiN+vHLkvXYk95Hz692YRgugkka1K9cpoyT9u 6CWA== X-Gm-Message-State: AOAM532Inakm6NNEp5MzhqbjLaMaWwEBu92Zz1AmnoKTUdlAcZtgpAvR Y8FAUmLgeIKIKPoSF7b8qODHKMjFb+Bo4A== X-Google-Smtp-Source: ABdhPJyMzSr/HulDMaN2BuO8PBPvthdXsrdRWbiKtp0pLPjrjqCyc0LDPTXa/EePKaNkBQ2b6mPNSA== X-Received: by 2002:a2e:a591:: with SMTP id m17mr16746445ljp.397.1615305431502; Tue, 09 Mar 2021 07:57:11 -0800 (PST) Received: from localhost.localdomain (ppp91-122-179-99.pppoe.avangarddsl.ru. [91.122.179.99]) by smtp.gmail.com with ESMTPSA id h7sm1894185lfg.246.2021.03.09.07.57.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 09 Mar 2021 07:57:10 -0800 (PST) From: Ovchinnikov Dmitrii To: ffmpeg-devel@ffmpeg.org Date: Tue, 9 Mar 2021 18:57:00 +0300 Message-Id: <20210309155700.1129-1-ovchinnikov.dmitrii@gmail.com> X-Mailer: git-send-email 2.30.0.windows.2 MIME-Version: 1.0 Subject: [FFmpeg-devel] [PATCH] libavcodec/amfenc_hevc: Recommend values for min and max video quantizer scale. 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: Ovchinnikov Dmitrii Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" Current settings makes bitrate large, than expected, more information: https://github.com/HandBrake/HandBrake/issues/3447#issue-820490736 --- libavcodec/amfenc_hevc.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/libavcodec/amfenc_hevc.c b/libavcodec/amfenc_hevc.c index 77e57d2461..890272d135 100644 --- a/libavcodec/amfenc_hevc.c +++ b/libavcodec/amfenc_hevc.c @@ -298,6 +298,8 @@ static const AVCodecDefault defaults[] = { { "b", "2M" }, { "g", "250" }, { "slices", "1" }, + { "qmin", "0" }, + { "qmax", "51" }, { NULL }, }; static const AVClass hevc_amf_class = {