From patchwork Sun Jan 13 20:02:14 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peter Ross X-Patchwork-Id: 11726 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 6C90A44D987 for ; Sun, 13 Jan 2019 22:02:33 +0200 (EET) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 9203668A614; Sun, 13 Jan 2019 22:02:21 +0200 (EET) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from mx.sdf.org (ol.sdf.org [205.166.94.20]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 8117168A4F7 for ; Sun, 13 Jan 2019 22:02:15 +0200 (EET) Received: from cf5477e9c22f6546d11f7d44fa9a40fb (pa49-199-107-96.pa.vic.optusnet.com.au [49.199.107.96]) (authenticated (128 bits)) by mx.sdf.org (8.15.2/8.14.5) with ESMTPSA id x0DK2I5h015631 (using TLSv1.2 with cipher AES256-GCM-SHA384 (256 bits) verified NO) for ; Sun, 13 Jan 2019 20:02:25 GMT Authentication-Results: mx.sdf.org; dkim=none Date: Mon, 14 Jan 2019 07:02:14 +1100 From: Peter Ross To: ffmpeg-devel@ffmpeg.org Message-ID: <7a44d12d9262c5f769b0e33d5421efbed7a9feb2.1547408762.git.pross@xvid.org> References: MIME-Version: 1.0 In-Reply-To: User-Agent: Mutt/1.9.4 (2018-02-28) Subject: [FFmpeg-devel] [PATCH 3/6] avcodec/vp6: use rounded shift for chroma motion vector calculation 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" --- libavcodec/vp56.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) diff --git a/libavcodec/vp56.c b/libavcodec/vp56.c index b69fe6c176..27b4b8b944 100644 --- a/libavcodec/vp56.c +++ b/libavcodec/vp56.c @@ -196,12 +196,8 @@ static void vp56_decode_4mv(VP56Context *s, int row, int col) s->macroblocks[row * s->mb_width + col].mv = s->mv[3]; /* chroma vectors are average luma vectors */ - if (s->avctx->codec->id == AV_CODEC_ID_VP5) { - s->mv[4].x = s->mv[5].x = RSHIFT(mv.x,2); - s->mv[4].y = s->mv[5].y = RSHIFT(mv.y,2); - } else { - s->mv[4] = s->mv[5] = (VP56mv) {mv.x/4, mv.y/4}; - } + s->mv[4].x = s->mv[5].x = RSHIFT(mv.x,2); + s->mv[4].y = s->mv[5].y = RSHIFT(mv.y,2); } static VP56mb vp56_decode_mv(VP56Context *s, int row, int col)