From patchwork Tue Jun 27 19:47:34 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michael Niedermayer X-Patchwork-Id: 4142 Delivered-To: ffmpegpatchwork@gmail.com Received: by 10.103.1.76 with SMTP id 73csp2418821vsb; Tue, 27 Jun 2017 12:48:21 -0700 (PDT) X-Received: by 10.28.29.21 with SMTP id d21mr4348850wmd.37.1498592901296; Tue, 27 Jun 2017 12:48:21 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1498592901; cv=none; d=google.com; s=arc-20160816; b=KpltHFTI2vpvp9NAc6PZwPjlOsyRsEjkmsew6Q/qId1m2/vjs1n/eX0Cw/iHcqLgyp MS7RrZnh7Z+rPYktDvMZr2kZnibYT7GDO/lZaGhBrLv+9juC0VpUUfJuekKPfgNsfqB+ 15iexTzjDZF74i45D+H1GivEBu+lgELZBxOh4cJV6xvtyiZCRXQZKKAGBYUUqdmYwo21 QrOmjtgl1S7VwMXL17ThcewBHao08ThWzbayd5JCyMFz7mKuBvgtYzdkGVc/54WrKmOR 1kaqWMG6CF1sFxJC9uBaX74osKcwNO9agfB8rq+hVDNTM0RJdw6qcUYMtw+dpW3Pmkj/ p43A== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=sender:errors-to:content-transfer-encoding:mime-version:reply-to :list-subscribe:list-help:list-post:list-archive:list-unsubscribe :list-id:precedence:subject:references:in-reply-to:message-id:date :to:from:delivered-to:arc-authentication-results; bh=LIKeYzbxi2j2gTtPi9SyxcQikqOiPklEC8GHl0TdZgM=; b=dFDbKD7ghboj78GIO/0BANabELhOVfp/Lnu8vLYfC5jB6lYMN41/xA4jGw2M3IArVT 45RlhnFNS9OJDKRSeJoJ6qJtBCl65alouy8Lk/B+bheWFlvNjcry9Eh/Tt0ImMU1ydUV j8zw+EYc+7NWk4G1nNzfQ6G9Dw60e87DzVqflKmezK93ur9456I8XhWYegdtrEUKqwn1 +p0n1uT758HDLjvPSXK+3CZ5B8//RAIIxCIv6KoIBmzurwfz5pv6yTe5cG4gH4NDaFVL 9lKvHzni8Xuz0bIIqgW/VeKWEi8xLBxAIiZVMKys7Df69o+fT7/Aik6ZR8p54dq/bOic T+1w== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of ffmpeg-devel-bounces@ffmpeg.org designates 79.124.17.100 as permitted sender) smtp.mailfrom=ffmpeg-devel-bounces@ffmpeg.org Return-Path: Received: from ffbox0-bg.mplayerhq.hu (ffbox0-bg.ffmpeg.org. [79.124.17.100]) by mx.google.com with ESMTP id g7si3433175wme.130.2017.06.27.12.48.20; Tue, 27 Jun 2017 12:48:21 -0700 (PDT) Received-SPF: pass (google.com: domain of ffmpeg-devel-bounces@ffmpeg.org designates 79.124.17.100 as permitted sender) client-ip=79.124.17.100; Authentication-Results: mx.google.com; spf=pass (google.com: domain of ffmpeg-devel-bounces@ffmpeg.org designates 79.124.17.100 as permitted sender) smtp.mailfrom=ffmpeg-devel-bounces@ffmpeg.org Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id A0D5368A4CA; Tue, 27 Jun 2017 22:47:55 +0300 (EEST) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from vie01a-dmta-pe02-1.mx.upcmail.net (vie01a-dmta-pe02-1.mx.upcmail.net [62.179.121.157]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 3D73668A4C2 for ; Tue, 27 Jun 2017 22:47:49 +0300 (EEST) Received: from [172.31.216.43] (helo=vie01a-pemc-psmtp-pe01) by vie01a-dmta-pe02.mx.upcmail.net with esmtp (Exim 4.88) (envelope-from ) id 1dPwSk-0005gn-Ur for ffmpeg-devel@ffmpeg.org; Tue, 27 Jun 2017 21:47:50 +0200 Received: from localhost ([213.47.41.20]) by vie01a-pemc-psmtp-pe01 with SMTP @ mailcloud.upcmail.net id dvnk1v01V0S5wYM01vnl79; Tue, 27 Jun 2017 21:47:45 +0200 X-SourceIP: 213.47.41.20 From: Michael Niedermayer To: FFmpeg development discussions and patches Date: Tue, 27 Jun 2017 21:47:34 +0200 Message-Id: <20170627194735.27533-4-michael@niedermayer.cc> X-Mailer: git-send-email 2.13.0 In-Reply-To: <20170627194735.27533-1-michael@niedermayer.cc> References: <20170627194735.27533-1-michael@niedermayer.cc> Subject: [FFmpeg-devel] [PATCH 4/5] avcodec/utvideodec: bswap directly without memcpy 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 MIME-Version: 1.0 Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" Signed-off-by: Michael Niedermayer --- libavcodec/utvideodec.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) diff --git a/libavcodec/utvideodec.c b/libavcodec/utvideodec.c index 1418cde543..788f4475b9 100644 --- a/libavcodec/utvideodec.c +++ b/libavcodec/utvideodec.c @@ -188,11 +188,9 @@ static int decode_plane10(UtvideoContext *c, int plane_no, goto fail; } - memcpy(c->slice_bits, src + slice_data_start + c->slices * 4, - slice_size); memset(c->slice_bits + slice_size, 0, AV_INPUT_BUFFER_PADDING_SIZE); c->bdsp.bswap_buf((uint32_t *) c->slice_bits, - (uint32_t *) c->slice_bits, + src + slice_data_start + c->slices * 4, (slice_data_end - slice_data_start + 3) >> 2); init_get_bits(&gb, c->slice_bits, slice_size * 8); @@ -294,11 +292,9 @@ static int decode_plane(UtvideoContext *c, int plane_no, goto fail; } - memcpy(c->slice_bits, src + slice_data_start + c->slices * 4, - slice_size); memset(c->slice_bits + slice_size, 0, AV_INPUT_BUFFER_PADDING_SIZE); c->bdsp.bswap_buf((uint32_t *) c->slice_bits, - (uint32_t *) c->slice_bits, + src + slice_data_start + c->slices * 4, (slice_data_end - slice_data_start + 3) >> 2); init_get_bits(&gb, c->slice_bits, slice_size * 8);