From patchwork Tue Jul 9 20:18:57 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jai Luthra X-Patchwork-Id: 13876 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 EF7D34483BB for ; Tue, 9 Jul 2019 23:19:28 +0300 (EEST) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id CC31A68AB18; Tue, 9 Jul 2019 23:19:28 +0300 (EEST) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from mail-pl1-f177.google.com (mail-pl1-f177.google.com [209.85.214.177]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 7A81768AA34 for ; Tue, 9 Jul 2019 23:19:22 +0300 (EEST) Received: by mail-pl1-f177.google.com with SMTP id w24so10661936plp.2 for ; Tue, 09 Jul 2019 13:19:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=jailuthra-in.20150623.gappssmtp.com; s=20150623; h=from:to:subject:date:message-id:mime-version :content-transfer-encoding; bh=v1T5OwyMsx/5bh5334inJhHMflK4VXLsV9IVHw7GUeE=; b=TYbW71Rwg1wRG53+ZYNZnKuV4bB8BtEEBQhxhXpj8518TkeqxYX7JzbxaJvtx10BgB VCpvHQvwrdaMHeXFUr/bSaAxcxlAo/npNS/s8v0znxrkLoOsR/lX9Bj2MdQ02hcwlfQU RJ5vQpR3ZaDVlwReSeUzu6g5ePiJl5UC2pXjnoQk+1lC9rlX6rvWE19Jwu3rV+b2GA5r psMr/7luelAn1s53IQTQFrBGKSOMGZOFXSEqFMRuU6OAAkcpmnxmO7GgaWQ+ZfnMu4hM 0S7oAMKcQ0frc9NS00WKNn0NDyx7RoDIQltNLoezaEYXUvgmuSdo7kRIXWse/MoLUOpl pNoQ== 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=v1T5OwyMsx/5bh5334inJhHMflK4VXLsV9IVHw7GUeE=; b=NXGcNsTr7G3ii45EViAKXKTuZ2ZCgqkvfQVkfQYQkbOoMqsNN7SwRlZei0Rt/fzTNX uKNX8rMK6hKh2cwa3/iS8Kbvg3eXc2PiTxNF0edqsaatBETXwzo7SPkYQQmGnUSgysoT duZbDhWfYWBVjbzYPjXEp9fmsNimhlH2WPOF2BI0KUQB0luWZ1/L4iZow7bZUpk81pof 37YfQZd1Yyc9GkiUDQphv3NPwcAGXl+yhLEFL7pFWXhoi5UfDgDShsHYa0Hml2CsEJrY Yax/VcBewEGYIkFt6NGTwLcZbA6jB3yQsHGV/gUkForZSq2MC/Q/vKkQ76LBMckC3YxN 8n1w== X-Gm-Message-State: APjAAAU351XbBoyJxb8+nZULZo1psWue85o3ppyhcp7ZEuDL2WVvzmjp jQ4YeLtkKXmt4+tLHMuiNRL4lXkL4c8= X-Google-Smtp-Source: APXvYqywu1GPJLZuWZrmbzNZsY8nsC0Mgat+ZYqSFYaSE2E8bNyxph27gRBbt4MB2OtbU7NuW5eJIw== X-Received: by 2002:a17:902:f082:: with SMTP id go2mr35797307plb.25.1562703560164; Tue, 09 Jul 2019 13:19:20 -0700 (PDT) Received: from localhost.localdomain ([122.180.207.198]) by smtp.googlemail.com with ESMTPSA id b126sm26212575pfa.126.2019.07.09.13.19.18 for (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Tue, 09 Jul 2019 13:19:19 -0700 (PDT) From: Jai Luthra To: ffmpeg-devel@ffmpeg.org Date: Wed, 10 Jul 2019 01:48:57 +0530 Message-Id: <20190709201901.26693-1-me@jailuthra.in> X-Mailer: git-send-email 2.22.0 MIME-Version: 1.0 Subject: [FFmpeg-devel] [PATCH 1/5] mlpenc: fix lossless check error in number_sbits 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" we need two bits instead of one bit to represent -1 in bitstream Signed-off-by: Jai Luthra --- libavcodec/mlpenc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/mlpenc.c b/libavcodec/mlpenc.c index deb171645c..f4948451f1 100644 --- a/libavcodec/mlpenc.c +++ b/libavcodec/mlpenc.c @@ -466,7 +466,7 @@ static void default_decoding_params(MLPEncodeContext *ctx, */ static int inline number_sbits(int number) { - if (number < 0) + if (number < -1) number++; return av_log2(FFABS(number)) + 1 + !!number;