From patchwork Sat Sep 22 16:14:02 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michael Niedermayer X-Patchwork-Id: 10439 Delivered-To: ffmpegpatchwork@gmail.com Received: by 2002:a02:1286:0:0:0:0:0 with SMTP id 6-v6csp718376jap; Sat, 22 Sep 2018 09:16:03 -0700 (PDT) X-Google-Smtp-Source: ACcGV630VgGndftK4XEVkt6nK4s77XamlU511Kxn5raGLm3YDoQb/wiWPehybZJX3DQRwvB4TG86 X-Received: by 2002:adf:f208:: with SMTP id p8-v6mr2223709wro.184.1537632963653; Sat, 22 Sep 2018 09:16:03 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1537632963; cv=none; d=google.com; s=arc-20160816; b=QNO+KYA1TfUviYZ3aME15aAKU+S0Upy8BOZbq9A+P5cXm09tRJWPTnNg6QLjC2EgfL 3ZjYTlKGxU6Mzm5U3kmZhV//ULacQDI2LfpNeVzx0IHFzqu3jk5Aiz/UOFEqeiaaiuqA uLLbhLs4U6xTrpVfMV7lHRqmSIWUrO4c3L+tq2d5v1TS/ygys/j8jYwrhB29Rz5ENzf6 nBQLzKq8Bku0U9msAl6qUSemyPk8jXfpZO9w87tZq9pUZHx9xoTmEUSuzi4uY2LsM8jD tyD47XP2WD3FGvefe80iuH3kJknpt/CAsfcSQlikWa1GJ1vhFyouEfsIZUzOrO9Y53nB sDfg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=sender:errors-to:content-transfer-encoding:reply-to:list-subscribe :list-help:list-post:list-archive:list-unsubscribe:list-id :precedence:subject:mime-version:references:in-reply-to:message-id :date:to:from:delivered-to; bh=FG3yLCk3YfkVQ2bGynk2b3Ye9jolQRgpPmWtcX+5XH8=; b=Lxf786/IHrc3drpDPRpBEpWOlDQu8DyDYJeQjJYfk/Gs/PMhf4XE7aRi6s3skeilMB MYwZ6Og3naYT+Mr4wcSa4ckZ23giKSGRPH64+AqtiKrzLQvqQNUcRGD3Q0NryajKL8qy PiQLyIeSbK+0ciLoKsJOGSZRSYIpEL31AHA+9d0Kcdztt/EvWkC513eWy8lQYP0Od0mx C+dgSVYl9vLxRQzq4WERRc4ITEgngFkEJKkqPjpG+7DbTLGRT21f1Ohw3zZBvTPsUIU2 Hi7+nfuz+Yn605aC/JmANeKiZ/t0YXcqmXYxkXYqkkWtArrV6iv0o8CbpOtiNepTXK+5 MaVQ== 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 o9-v6si5073353wrn.236.2018.09.22.09.16.03; Sat, 22 Sep 2018 09:16:03 -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 48A6768A65D; Sat, 22 Sep 2018 19:15:01 +0300 (EEST) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from vie01a-qmta-pe01-3.mx.upcmail.net (vie01a-qmta-pe01-3.mx.upcmail.net [62.179.121.180]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 3505968A56B for ; Sat, 22 Sep 2018 19:14:52 +0300 (EEST) Received: from [172.31.218.53] (helo=vie01a-dmta-pe08-2.mx.upcmail.net) by vie01a-pqmta-pe01.mx.upcmail.net with esmtp (Exim 4.88) (envelope-from ) id 1g3kYk-0006a4-UU for ffmpeg-devel@ffmpeg.org; Sat, 22 Sep 2018 18:15:06 +0200 Received: from [172.31.216.43] (helo=vie01a-pemc-psmtp-pe01) by vie01a-dmta-pe08.mx.upcmail.net with esmtp (Exim 4.88) (envelope-from ) id 1g3kYf-0001Cz-MD for ffmpeg-devel@ffmpeg.org; Sat, 22 Sep 2018 18:15:01 +0200 Received: from localhost ([213.47.41.20]) by vie01a-pemc-psmtp-pe01 with SMTP @ mailcloud.upcmail.net id egF01y00x0S5wYM01gF1g6; Sat, 22 Sep 2018 18:15:01 +0200 X-SourceIP: 213.47.41.20 From: Michael Niedermayer To: FFmpeg development discussions and patches Date: Sat, 22 Sep 2018 18:14:02 +0200 Message-Id: <20180922161408.22052-6-michael@niedermayer.cc> X-Mailer: git-send-email 2.19.0 In-Reply-To: <20180922161408.22052-1-michael@niedermayer.cc> References: <20180922161408.22052-1-michael@niedermayer.cc> MIME-Version: 1.0 Subject: [FFmpeg-devel] [PATCH 06/11] avcodec/prosumer: Only scan as many elements as matter in fill_elements() 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/prosumer.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/libavcodec/prosumer.c b/libavcodec/prosumer.c index 9e8a94d4db..b7e417aa0b 100644 --- a/libavcodec/prosumer.c +++ b/libavcodec/prosumer.c @@ -279,12 +279,12 @@ static const uint16_t table[] = { 0x0001 }; -static void fill_elements(uint32_t idx, uint32_t shift, int size, uint32_t *e0, uint32_t *e1) +static void fill_elements(uint32_t idx, uint32_t shift, uint32_t *e0, uint32_t *e1) { uint32_t b, h = idx << (32 - shift); for (int j = 0; j < 2; j++) { - for (int i = 0; i < size; i++) { + for (int i = 0; i < 43; i++) { b = 4 * TB(i); if (shift >= b && ((h & (0xFFF00000u << (12 - b))) >> 20) == table[2 * i + 1]) { if (table[2 * i] >> 8 == 0x80u) { @@ -322,7 +322,7 @@ static void fill_lut(uint32_t *lut) uint32_t f = 0xFFFFFFFFu; c &= 0xFFFFFFu; if ((c & 0xFF00u) != 0x8000u) - fill_elements(j, d, 365, &c, &f); + fill_elements(j, d, &c, &f); lut[2 * a + 2 * j] = c; lut[2 * a + 2 * j + 1] = f; }