From patchwork Tue Sep 24 18:26:29 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Skakov Pavel X-Patchwork-Id: 15262 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 1642A44A453 for ; Tue, 24 Sep 2019 21:32:21 +0300 (EEST) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id E29F168A0FB; Tue, 24 Sep 2019 21:32:20 +0300 (EEST) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from mail-pg1-f181.google.com (mail-pg1-f181.google.com [209.85.215.181]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 2ED80689B8C for ; Tue, 24 Sep 2019 21:32:14 +0300 (EEST) Received: by mail-pg1-f181.google.com with SMTP id z12so1757526pgp.9 for ; Tue, 24 Sep 2019 11:32:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:subject:to:message-id:date:user-agent:mime-version :content-language; bh=ay/3YWNbogblNnrdJoBWc6fCIGz6c+apLXXYhluPqPg=; b=jnpDsaWqXSUpZqv/8pLpQvQuWgk1LUZjP4DMpe3uofjBTeH1nw+7/I31VB8sv19W++ kviIuSHgQLdpKYqAjhtXhM659ulC/VtaSYNrU2c6wdwgNzY9amewU4WHgA82iQ50JzhP tOH0765s7TZ6ll9WDpUXG1aJmQqlBX2XSfanR6AtF+5FS+yNg9ory5tz+K1ouRd9jrYT UouuAEPeeKleRmQeTosKpAVkpdpj/kJRuFJA8TIXYpPPDsQiKebzR8fxZDlJ3wr+kWHY UfZU8V5ssCCfRyMrGr2z/W8TaZWhFUN72F3YnzLeHxJN40c2bGo2UfamKrLYJvOT7iHS LgrQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:subject:to:message-id:date:user-agent :mime-version:content-language; bh=ay/3YWNbogblNnrdJoBWc6fCIGz6c+apLXXYhluPqPg=; b=dxZkbXZbwk1ECNNxE2r6M3/nSjPCNzFuVjwWQWzOmsHfXt/jmWjR+Z/ElihL4CLkWR qOc1ntMWulT7mboHYPl7ERNtkkUpcYc/a8/MyAu6DtrvcZmxNf37y1CQ3qxs3aMxLDeg GoURqJs1sqGRd6OZHz0OPYdeVkwclAP4+wuix3a1TgeXUIKq+GNDDu15/J89Gi8V+BwT uzXYBCMEP+i/eQFV3GoxSkSnEJt2RI6XNimqhx1dJfklkCca/5CmmFRlmDpv9L16qrdQ PWUo+HlgYZzUjemeFqGG6QuIwnJUaHNXST4YX8DOi4+b3bgyLs7Qr8T1qCuslRNhKU2P kbSQ== X-Gm-Message-State: APjAAAUp/8GFZ6Obreyh0rVeVU3FwQsksLDzCZJd5Ef99jYiTGr3EIUa HlPtEyggqNMegCrZ459p7wr5ALSS X-Google-Smtp-Source: APXvYqy4kdMzufa1y3XGMcmLbPnAHR/KvVcELAJaPwL5X6JaIAvqt+rwBWQt43P2WvXJy09IkH4IsA== X-Received: by 2002:a17:90a:36ae:: with SMTP id t43mr1490008pjb.7.1569349597928; Tue, 24 Sep 2019 11:26:37 -0700 (PDT) Received: from [10.1.0.176] ([5.18.233.189]) by smtp.gmail.com with ESMTPSA id j10sm467335pjn.3.2019.09.24.11.26.35 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 24 Sep 2019 11:26:37 -0700 (PDT) From: Skakov Pavel To: ffmpeg-devel@ffmpeg.org Message-ID: <4a6e0b07-62df-1ae1-d338-4f14a04c544a@gmail.com> Date: Tue, 24 Sep 2019 21:26:29 +0300 User-Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 Content-Language: en-US Subject: [FFmpeg-devel] [PATCH] avcodec/tiff: correct the default value of YCbCrSubsampling 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" TIFF decoder uses wrong default YCbCrSubsampling value so it breaks on files that rely on standard default and omit the value. From 1b638417034ec212de4675db8e1695d1e5469d1d Mon Sep 17 00:00:00 2001 From: Pavel Skakov Date: Tue, 24 Sep 2019 20:30:59 +0300 Subject: [PATCH] avcodec/tiff: correct the default value of YCbCrSubsampling to 2x2 Signed-off-by: Pavel Skakov --- libavcodec/tiff.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/tiff.c b/libavcodec/tiff.c index 9f24796a88..c8b2a3680e 100644 --- a/libavcodec/tiff.c +++ b/libavcodec/tiff.c @@ -2065,7 +2065,7 @@ static av_cold int tiff_init(AVCodecContext *avctx) s->width = 0; s->height = 0; s->subsampling[0] = - s->subsampling[1] = 1; + s->subsampling[1] = 2; s->avctx = avctx; ff_lzw_decode_open(&s->lzw); if (!s->lzw) -- 2.13.2.windows.1