From patchwork Fri Aug 28 22:39:39 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Aman Verma X-Patchwork-Id: 21975 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 4B1B644AE61 for ; Sat, 29 Aug 2020 02:03:48 +0300 (EEST) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 260A068A8F8; Sat, 29 Aug 2020 02:03:48 +0300 (EEST) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from mail-qt1-f195.google.com (mail-qt1-f195.google.com [209.85.160.195]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id A21A168015F for ; Sat, 29 Aug 2020 02:03:41 +0300 (EEST) Received: by mail-qt1-f195.google.com with SMTP id e5so829188qth.5 for ; Fri, 28 Aug 2020 16:03:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:subject:date:message-id:mime-version :content-transfer-encoding; bh=mJqDiggqw7sxWy01OzJlNFPYGwlK6llXlb2GMGlhTM8=; b=HuANHm89FBv2C5duelnaX8AiatnXXyUaBQA3m0DiKJPHDu/l4MLDWOycCEDRamde9J XtHk/yr/m/iQS+PIX6SWzdZbUJwc9FQ9mJPefb79JnGb/E4Tcl9RyyakptbQi7i5N96z MBNyK7GafU3S92hpSlcKXc7286z7aYJOqnq1Dylw6CM5M68STPob7fpKYs4IwQpj0pmD pa50ucVMDbZEPt88xnrNVdhzvtAfKd+Psl4tj/nCZC1K2eF4iBTushAOlp0zRvp9Bl2l GsmMutf5zt3BB70rmpiAzqGHt+qCoa5/iGkcZpmkfCVEgXn03dDjkG8W7lVJMwBC9b1z TY0w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:mime-version :content-transfer-encoding; bh=mJqDiggqw7sxWy01OzJlNFPYGwlK6llXlb2GMGlhTM8=; b=MzFYQaXEXKZQ7m7anRu3+TYSHhUN9lod+mGhO9xqXUS84iDpnXz+0w9Bw27LIpGhof YRAUGpa8ZmYcFDxtc+28/Qdw/NQGQUx9M6VRTtnh3SJpVzJHotLQvyRigebnq2wEbLH1 iRkKCiahBxmfWz8iReZOrPDODV9bd2GugdfliAKiFzrw6G/B1OH2kzLFen22J879K+WH h9DQYwwx/lWY94UG29DK+otqLeG9IPFNglkYe+LHDVqy8JPGKB2qBbwPld2s1IgsDQzd e+tk6VVJwX3cZDKL+cKl9VHRFhl+1mj/FJg3oONjrytzUoDVKne75RPCYRcNwo98smII iS3Q== X-Gm-Message-State: AOAM532BYoNIhErn+V1Gbl6SjomymfOCxHeQkjCXnAf4eakMBJQ7t62T +unlyrbgnqCP8wfPD5MvIAKtec1rsMkMng== X-Google-Smtp-Source: ABdhPJy6gO5BXxslFwR2jwHrPDXZb5Ovp3fy9I1ncNSlmuO0RSCfduidjKiqiFTt6AHg4kWbG/T3EA== X-Received: by 2002:a05:620a:15f4:: with SMTP id p20mr1319016qkm.106.1598654365894; Fri, 28 Aug 2020 15:39:25 -0700 (PDT) Received: from kosmos.localdomain (c-68-61-157-235.hsd1.mi.comcast.net. [68.61.157.235]) by smtp.gmail.com with ESMTPSA id z74sm515962qkb.11.2020.08.28.15.39.25 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 28 Aug 2020 15:39:25 -0700 (PDT) From: Aman Verma To: ffmpeg-devel@ffmpeg.org Date: Fri, 28 Aug 2020 18:39:39 -0400 Message-Id: <20200828223939.37517-1-amanraoverma@gmail.com> X-Mailer: git-send-email 2.28.0 MIME-Version: 1.0 Subject: [FFmpeg-devel] [PATCH] doc/decoders: Clear up description of ac3's drc_scale option 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" Make clear that the value to -drc_scale is an exponentiating value, not a scaling factor. Also, document the default value. Signed-off-by: Aman Verma --- doc/decoders.texi | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/doc/decoders.texi b/doc/decoders.texi index 9005714..4a307b4 100644 --- a/doc/decoders.texi +++ b/doc/decoders.texi @@ -106,8 +106,8 @@ the undocumented RealAudio 3 (a.k.a. dnet). @table @option @item -drc_scale @var{value} -Dynamic Range Scale Factor. The factor to apply to dynamic range values -from the AC-3 stream. This factor is applied exponentially. +Dynamic Range Compression scale. The number to apply---exponentially---to +dynamic range values from the AC-3 stream. The default value is 1. There are 3 notable scale factor ranges: @table @option @item drc_scale == 0