From patchwork Wed Sep 20 03:00:27 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Rostislav Pehlivanov X-Patchwork-Id: 5201 Delivered-To: ffmpegpatchwork@gmail.com Received: by 10.2.36.26 with SMTP id f26csp262701jaa; Tue, 19 Sep 2017 20:07:55 -0700 (PDT) X-Received: by 10.223.150.27 with SMTP id b27mr3044063wra.100.1505876875046; Tue, 19 Sep 2017 20:07:55 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1505876875; cv=none; d=google.com; s=arc-20160816; b=j0MdHthmLQ5/+Kedj6RrPjdVoxzfrJHuiprVEmrQHz2JcUXZhQXR1cvZ794iWBDchp sP+Xn8Mtpb2HV9t66rPcf+tV4f9V46PeAdvqCpwNb0N7Uzr05cqX+X0aiMh3BRjqnJN+ 84jm8XyyZ+rhqyU/D862XHKZSC5Jq1mgJ5wIrDXwKcgSzvlkITkWXykxNdJAr2q/5fFR fKbGlY/rXKs7noaZXRpXAVVFoNKjI4pjR8lqJbqz9d1R8v5OtHbedSINZTbJPlKdEQPX ATfjSM3QoBhba1AeE1Qj9w4FExWxzA6IDB+pJTA8zHFAUAoA+jJHWjS0nV8y+Hpc5RvF lexA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=sender:errors-to:content-transfer-encoding:mime-version:cc:reply-to :list-subscribe:list-help:list-post:list-archive:list-unsubscribe :list-id:precedence:subject:message-id:date:to:from:dkim-signature :delivered-to:arc-authentication-results; bh=+S/mihWdHJHNpwRmet9M/rKDGqSQcuft09fvNbxOueI=; b=nJr1oAM6LvWjLcwL4OpB8UUk+zxg7RNQvjBeDxvMOXI2QKY69m+nWBix1E03v2I3+T Zztd6GelPIqx3KpBh3oH+1rRLp+3aHrTrYZN+RsqGbX3b0ZmGN+RLXdmK1h8uI13nYZ/ eGX1Y393c0Dji9Y93QHmwkLeOPtxo5ZyObC5JlTxf2JW8nSsfK4qpA/2at99IOaM6JDO qT2VEe0tb8x3StnglrJjUeKwCpLQcEkbsHq2amjKg+Qj6u62qvWrzNtArY6C9f2YcuIO VwUIELXvWsaU98wOsLGgsHbyq14MepmYI7j3N2bF2skQPnUInZ10ce4gz5vCEq0lBafO ISYQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=neutral (body hash did not verify) header.i=@gmail.com header.s=20161025 header.b=iQ8pypGM; 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 sp=NONE dis=NONE) header.from=gmail.com Return-Path: Received: from ffbox0-bg.mplayerhq.hu (ffbox0-bg.ffmpeg.org. [79.124.17.100]) by mx.google.com with ESMTP id s124si536135wme.262.2017.09.19.20.07.54; Tue, 19 Sep 2017 20:07:54 -0700 (PDT) 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=@gmail.com header.s=20161025 header.b=iQ8pypGM; 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 sp=NONE dis=NONE) header.from=gmail.com Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 7F2526897FF; Wed, 20 Sep 2017 06:07:42 +0300 (EEST) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from mail-wr0-f194.google.com (mail-wr0-f194.google.com [209.85.128.194]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 943E9680414 for ; Wed, 20 Sep 2017 06:07:36 +0300 (EEST) Received: by mail-wr0-f194.google.com with SMTP id k20so719561wre.1 for ; Tue, 19 Sep 2017 20:07:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id; bh=lnbZqmU91DggZElXkD9iwccGLfXh4tstg/lwKfzi828=; b=iQ8pypGM16/5Vne6Bec0odyI7zBMz89MEsPs2rervoIAcB/f8z6z39Iko32SyDCLEj Yd1wQkig1Hl832/JOm7Z5XieuSQi/tUDXukYJqiEB6E9sF1nwyX/h7E/wkO6f9EI3Oyq x7X3oC5usX/9ffMbaq2Ll82cDqSwsMx5dBSfhFmOXiSzqi+LkHXYJiSCdPDoOc4P4pRH wcau/Z5Op0tfDpZ5S1Q95X4/tYWA2l1m85m15rT2tAecVjoqbA+cC2KsHQXBh1luy0xF ejTRRHIish8kRsMTg6z34sUFoqvuj8fkgN0su9yR/LRSaJFSdaGUb+v5rU7fkLgyCxPN hpig== 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; bh=lnbZqmU91DggZElXkD9iwccGLfXh4tstg/lwKfzi828=; b=nru/CnkWkeBUhEYHryma6T2tV9koktx1duOy1rr0PEmTZzAMprVz5+B0QpoSTpHOAz ZwCcXgkabrQHixHsNQyKXV0kTsslDMmD+vCdl7HoyURPNz0XssUf+Q8KHeVGRd9yiKwl +G2vv3zy3g+WTH0AKJ7MsqBEsqXuFnQ9rH21WrxTlSuvOA+09dSt4t+dgNPt8zRLByQ+ dcu4mEMWjpxadk18jQ36p2BfrLCIPTGt3AYKDh/g9FMNeswAUApoaTLltHRztAjuxA8I 87KwfvBFfuBz5ZC53PWfgihkeCJ5PY8eyQ4exP10ifI5MDa1Ug74ZGZLrEOomRKnrupv 7M+w== X-Gm-Message-State: AHPjjUg6HLiZnhtkOW/hKiOVpzpg2MkOVd86bFca4WmqxMQTsKpljIUj Tf+4Yi9zYtxMdERdGWE3q9GciQ2v X-Google-Smtp-Source: AOwi7QAeNO0bo7Fan2aO+mCUaP3wMhgqRcZfJxjRUGoTy7cDTvkTlD6k2Z8D2GZYYsYxiNgfr47p6g== X-Received: by 10.223.134.236 with SMTP id 41mr2865356wry.81.1505876432286; Tue, 19 Sep 2017 20:00:32 -0700 (PDT) Received: from moonbase.pars.ee ([2a00:23c4:7c83:f700:a634:d9ff:fe80:bf0b]) by smtp.gmail.com with ESMTPSA id g25sm629377wmc.16.2017.09.19.20.00.29 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 19 Sep 2017 20:00:30 -0700 (PDT) From: Rostislav Pehlivanov To: ffmpeg-devel@ffmpeg.org Date: Wed, 20 Sep 2017 04:00:27 +0100 Message-Id: <20170920030028.3098-1-atomnuker@gmail.com> X-Mailer: git-send-email 2.14.1.821.g8fa685d3b7 Subject: [FFmpeg-devel] [PATCH 1/2] lavu: add a gamma field to AVMasteringDisplayMetadata 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: Rostislav Pehlivanov MIME-Version: 1.0 Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" PNG exposes it and its required in order to correctly display some images, particularly images crafted to contain 2 different images which appear differently depending on whether the gamma has been taken into account. Signed-off-by: Rostislav Pehlivanov --- libavutil/mastering_display_metadata.h | 10 ++++++++++ libavutil/version.h | 2 +- 2 files changed, 11 insertions(+), 1 deletion(-) diff --git a/libavutil/mastering_display_metadata.h b/libavutil/mastering_display_metadata.h index 847b0b62c6..3de58bf468 100644 --- a/libavutil/mastering_display_metadata.h +++ b/libavutil/mastering_display_metadata.h @@ -66,6 +66,16 @@ typedef struct AVMasteringDisplayMetadata { */ int has_luminance; + /** + * The power-law response exponent needed to compensate for nonlinearity. + */ + AVRational gamma; + + /** + * Flag indicating whether the gamma has been set. + */ + int has_gamma; + } AVMasteringDisplayMetadata; /** diff --git a/libavutil/version.h b/libavutil/version.h index d99eff5d15..8ac41f49f5 100644 --- a/libavutil/version.h +++ b/libavutil/version.h @@ -80,7 +80,7 @@ #define LIBAVUTIL_VERSION_MAJOR 55 -#define LIBAVUTIL_VERSION_MINOR 75 +#define LIBAVUTIL_VERSION_MINOR 76 #define LIBAVUTIL_VERSION_MICRO 100 #define LIBAVUTIL_VERSION_INT AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \