From patchwork Wed Apr 3 00:49:32 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thilo Borgmann via ffmpeg-devel X-Patchwork-Id: 12596 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 6D90F44834F for ; Wed, 3 Apr 2019 03:49:44 +0300 (EEST) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 52F7C68ADC8; Wed, 3 Apr 2019 03:49:44 +0300 (EEST) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from mail-it1-f202.google.com (mail-it1-f202.google.com [209.85.166.202]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 5F05968AD76 for ; Wed, 3 Apr 2019 03:49:38 +0300 (EEST) Received: by mail-it1-f202.google.com with SMTP id j203so4613362itb.8 for ; Tue, 02 Apr 2019 17:49:38 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:message-id:mime-version:subject:from:to:cc; bh=/vQaqBV6IHFZfckroJu7rDEcem5cuPWxq74haXOmEag=; b=KCU0Y4eiqB9HDuGCwqoFIeVl5EULS/GaYmuDIwg7FAPXbfsZtKpjj14esqKV8qotxp NTVcDCP/6CE43fVUu05oaF945SnK7GzGIm9Ob99Uj/VJRyPpM2RhrbRWNG4UP3QAhtV4 NTUAuBnaUyEwHSL6cNpCdkmyTXZ9UnzaydA5txneucgbUa7o3GmxTZ7bT4gExgs6Br6k V0P0rGSiTLSEm8YI+H4+1bVtjAeRgn6TI+qIOq5QxE70/Ga4zepclxhIjawED08psmmN mdQKco9Qm7mAxnI1sWjN7Q5sTcVhQzaUju9ZYPxrDG4iqaXyx5Z5KiLWLHvkgs2eLaRS uohA== X-Gm-Message-State: APjAAAWvWIdqfoo8leQpCzN9F3r3FY608KmCKI2E9fgrBcobCe8/yksr bzfY6GoUJIk3BeOnPKKUmXR9ljS6zi8P25A8NT0kxujqxLsbTS0FB4hyabz4XniSBjndIMr9X8X JcF7nrARHfSE+B6pUQohoPzGdT4WtnfMQLzY+k0gyvK0CTVUTNIHf3RDy6UGNrMVJpw== X-Google-Smtp-Source: APXvYqxnb04DueTCUIm46zhZx6KKiwkheYqeE1JWtfEZepovMzKuCrOAFaujPdM8/9PqpMwlrrw0ttLhhvHe X-Received: by 2002:a24:6893:: with SMTP id v141mr8465511itb.39.1554252576690; Tue, 02 Apr 2019 17:49:36 -0700 (PDT) Date: Tue, 2 Apr 2019 17:49:32 -0700 Message-Id: <20190403004932.12707-1-samjohn@google.com> Mime-Version: 1.0 X-Mailer: git-send-email 2.21.0.392.gf8f6787159e-goog To: ffmpeg-devel@ffmpeg.org Subject: [FFmpeg-devel] [PATCH] Updated the documentation about the encoding options for libaom-av1 encoder. 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: , X-Patchwork-Original-From: Sam John via ffmpeg-devel From: Thilo Borgmann via ffmpeg-devel Reply-To: FFmpeg development discussions and patches Cc: Sam John Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" --- doc/encoders.texi | 46 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) diff --git a/doc/encoders.texi b/doc/encoders.texi index 94337d009c..a669ac3739 100644 --- a/doc/encoders.texi +++ b/doc/encoders.texi @@ -1434,6 +1434,12 @@ value is 1, which will be slow and high quality. Enable use of alternate reference frames. Defaults to the internal default of the library. +@item arnr-max-frames +Set altref noise reduction max frame count. + +@item arnr-strength +Set altref noise reduction filter strength. + @item lag-in-frames Set the maximum number of frames which the encoder may keep in flight at any one time for lookahead purposes. Defaults to the internal @@ -1466,6 +1472,33 @@ buffer falls below this percentage, frames will be dropped until it has refilled above the threshold. Defaults to zero (no frames are dropped). +@item denoise-noise-level +Amount of noise to be removed for grain synthesis. Grain synthesis is disabled if +it is not set or set to 0. + +@item denoise-block-size +Block size used for denoising for grain synthesis. If not set, AV1 codec +uses the default value of 32. + +@item undershoot-pct +Set datarate undershoot (min) percentage of the target bitrate. + +@item overshoot-pct +Set datarate overshoot (max) percentage of the target bitrate. + +@item maxrate (@emph{maxsection-pct}) +Set GOP max bitrate in bits/s. Note @command{libaom-av1}'s option maxsection-pct is +specified as a percentage of the target bitrate. If maxsection-pct is not set, the +libaomenc wrapper computes it as follows: @code{(maxrate * 100 / bitrate)}. + +@item minrate (@emph{minsection-pct}) +Set GOP min bitrate in bits/s. Note @command{libaom-av1}'s option minsection-pct is +specified as a percentage of the target bitrate. If minsection-pct is not set, the +libaomenc wrapper computes it as follows: @code{(minrate * 100 / bitrate)}. + +@item frame-parallel @var{boolean} +Enable frame parallel decodability features. The default value is true. + @item tiles Set the number of tiles to encode the input video with, as columns x rows. Larger numbers allow greater parallelism in both encoding and @@ -1480,6 +1513,19 @@ Provided for compatibility with libvpx/VP9. @item row-mt (Requires libaom >= 1.0.0-759-g90a15f4f2) Enable row based multi-threading. Disabled by default. +@item enable-cdef @var{boolean} +Flag to enable or disable Constrianed Directional Enhancement Filter. The libaom-av1 +encoder enables CDEF by default. + +@item enable-global-motion @var{boolean} +Flag to enable or disable the use of global motion for block prediction. +The default value is true. + +@item enable-intrabc @var{boolean} +Flag to enable or disable block copy mode for intra block prediction. This mode is +useful for screen content. The default value is true. + + @end table @section libkvazaar