From patchwork Sun Jun 21 18:42:04 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gautam Ramakrishnan X-Patchwork-Id: 20540 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 8E3AB449CB2 for ; Sun, 21 Jun 2020 21:42:36 +0300 (EEST) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 587C668B7E7; Sun, 21 Jun 2020 21:42:36 +0300 (EEST) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from mail-pg1-f180.google.com (mail-pg1-f180.google.com [209.85.215.180]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 19F4068B545 for ; Sun, 21 Jun 2020 21:42:30 +0300 (EEST) Received: by mail-pg1-f180.google.com with SMTP id l63so7070374pge.12 for ; Sun, 21 Jun 2020 11:42:29 -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=8ORo3mPmIardzNFhJ3U0Xgom5v7rFsyxHQhqtzAKULM=; b=OeDPDf7x7dq3Zb/6IakqWibokaH+Iow0Cxe+dyzUniPXUNuMU4NYK+WXQLaSe9t2q3 7VSLuECvDy7Pz9HB79xp8lRJ4ytcOCYZ2i9OncIavVdtgctChbNqjiFPfqHp2PM3PJUj QGeYjvvbqeDXdF6dXZn1rIJlafM3lcx92qcNRXW1X1YxIdYw4huPo9yM3kVyPq6w2YfT XY+Qtn/DkcHDHozeItXXgB1upC5ugMlQHOjajhGAHynhWBktJNhsfa7WXqHWTBO/vY2j pPMtijlgMN1JXz4TuquiaNpdcoiadbDZ2m3EC3sE4WK2a5N1rvmHtld6Et3bE6tlRXNX TqHQ== 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=8ORo3mPmIardzNFhJ3U0Xgom5v7rFsyxHQhqtzAKULM=; b=b/gH2pUwV7GsWv91HsO2vVFnqMxCuQnFnCb27YkgoVTBslR8x2bkWX3kWF3uSEnVKE lACQq31F4u9OSpw5xJKWqa1Lepf280LVn8wEP17j16eeoInI97TkwJ1i2dnDcJywBeN3 JNuRymIjB/QOGZv8jRunwhjobR31P5pHSHdMjO0qBjs2JQathL4UkhrVfKFDvvKf9otK sRtqoSW0N9w1U9pEeek7YYEG0iBaChOnCZr7jTw8riSW3lvmQEPIBYy0bywGCSgVLP5u Oyi+lFdg1bSby/kT+wOlD6Fe4y5DIlAYG5UYB06jr9OLhNl6FDAEbGRnEhOotCA2FCN1 4bcA== X-Gm-Message-State: AOAM530KEdsE90yKgU7m69AuSpzLsWsTbR2DNjAVT93GBiT1vVM+WiJ/ B19xSnKA+kDQE5VmQB6UX6DOJeBDKHw= X-Google-Smtp-Source: ABdhPJzV9MvjXkrWZIeuwqg293WibvjGSi5NNa1CuMIcVwu6TEI+hxAnzLJB9iWdC9FpaGxN+MdPyw== X-Received: by 2002:a62:1c8a:: with SMTP id c132mr17661832pfc.69.1592764947604; Sun, 21 Jun 2020 11:42:27 -0700 (PDT) Received: from localhost.localdomain ([122.167.28.239]) by smtp.gmail.com with ESMTPSA id s1sm10786414pjp.14.2020.06.21.11.42.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 21 Jun 2020 11:42:27 -0700 (PDT) From: gautamramk@gmail.com To: ffmpeg-devel@ffmpeg.org Date: Mon, 22 Jun 2020 00:12:04 +0530 Message-Id: <20200621184208.27665-1-gautamramk@gmail.com> X-Mailer: git-send-email 2.17.1 Subject: [FFmpeg-devel] [PATCH 1/5] libavcodec/jpeg2000.c: Precinct size check removed 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: Gautam Ramakrishnan MIME-Version: 1.0 Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" From: Gautam Ramakrishnan This patch removes a check which throws an error if the log2 precinct width/height is 0. The standard allows the first component to have 0 as the log2 width/height. --- libavcodec/jpeg2000.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/libavcodec/jpeg2000.c b/libavcodec/jpeg2000.c index 73206d17f3..1aca31ffa4 100644 --- a/libavcodec/jpeg2000.c +++ b/libavcodec/jpeg2000.c @@ -509,9 +509,6 @@ int ff_jpeg2000_init_component(Jpeg2000Component *comp, // update precincts size: 2^n value reslevel->log2_prec_width = codsty->log2_prec_widths[reslevelno]; reslevel->log2_prec_height = codsty->log2_prec_heights[reslevelno]; - if (!reslevel->log2_prec_width || !reslevel->log2_prec_height) { - return AVERROR_INVALIDDATA; - } /* Number of bands for each resolution level */ if (reslevelno == 0)