From patchwork Fri Jun 21 23:29:31 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michael Niedermayer X-Patchwork-Id: 13669 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 040E344841F for ; Sat, 22 Jun 2019 02:31:32 +0300 (EEST) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id D8D5C68AA5B; Sat, 22 Jun 2019 02:31:31 +0300 (EEST) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from vie01a-dmta-pe07-2.mx.upcmail.net (vie01a-dmta-pe07-2.mx.upcmail.net [84.116.36.18]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 1DAE168A96C for ; Sat, 22 Jun 2019 02:31:23 +0300 (EEST) Received: from [172.31.216.235] (helo=vie01a-pemc-psmtp-pe12.mail.upcmail.net) by vie01a-dmta-pe07.mx.upcmail.net with esmtp (Exim 4.92) (envelope-from ) id 1heT05-0000tS-4F for ffmpeg-devel@ffmpeg.org; Sat, 22 Jun 2019 01:31:21 +0200 Received: from localhost ([213.47.41.20]) by vie01a-pemc-psmtp-pe12.mail.upcmail.net with ESMTP id eSz6h1d7y5D5NeSz6h47Kd; Sat, 22 Jun 2019 01:30:21 +0200 X-Env-Mailfrom: michael@niedermayer.cc X-Env-Rcptto: ffmpeg-devel@ffmpeg.org X-SourceIP: 213.47.41.20 X-CNFS-Analysis: v=2.3 cv=bu8y+3Si c=1 sm=1 tr=0 a=I1eytVlZLDX1BM2VTtTtSw==:117 a=I1eytVlZLDX1BM2VTtTtSw==:17 a=MKtGQD3n3ToA:10 a=1oJP67jkp3AA:10 a=GEAsPZ9sns4A:10 a=ZZnuYtJkoWoA:10 a=SE9_9J0ZL2VwMjcdnN4A:9 From: Michael Niedermayer To: FFmpeg development discussions and patches Date: Sat, 22 Jun 2019 01:29:31 +0200 Message-Id: <20190621232936.11052-1-michael@niedermayer.cc> X-Mailer: git-send-email 2.22.0 MIME-Version: 1.0 X-CMAE-Envelope: MS4wfCcihExjNgoXKSec90Z2C6YDU3nvY37Ers1xHZwAExslgHPgz+Tj8MGakEF91Yh4IN1Z3eYng2u2N3knug2mRV3Wp0XWARnhSiAitjJzj2EzPLW4wc4d 3M6rFYl9PBQpWqD4O1QZPWd5TqORcA+gvRyY+3B8YXFrbBWAiOEZd9kO Subject: [FFmpeg-devel] [PATCH 1/6] avcodec/ffwavesynth: Fix backward lcg_seek() 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" Signed-off-by: Michael Niedermayer --- libavcodec/ffwavesynth.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/ffwavesynth.c b/libavcodec/ffwavesynth.c index a66113972b..cf8c780f3e 100644 --- a/libavcodec/ffwavesynth.c +++ b/libavcodec/ffwavesynth.c @@ -122,7 +122,7 @@ static void lcg_seek(uint32_t *s, int64_t dt) c = LCG_C; } else { /* coefficients for a step backward */ a = LCG_AI; - c = (uint32_t)(LCG_AI * LCG_C); + c = (uint32_t)(-LCG_AI * LCG_C); dt = -dt; } while (dt) {