From patchwork Tue Sep 8 21:18:55 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andreas Rheinhardt X-Patchwork-Id: 22198 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 6CFD544BE25 for ; Wed, 9 Sep 2020 00:20:46 +0300 (EEST) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 7AD7E68B7A0; Wed, 9 Sep 2020 00:19:48 +0300 (EEST) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from mail-wm1-f65.google.com (mail-wm1-f65.google.com [209.85.128.65]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id BB52768B7A7 for ; Wed, 9 Sep 2020 00:19:45 +0300 (EEST) Received: by mail-wm1-f65.google.com with SMTP id z9so375325wmk.1 for ; Tue, 08 Sep 2020 14:19:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=j7RICgBj+n+d/Afm6itoujgH4v2WSn2k20eMyedp3RQ=; b=Abt5flmav10vDv6b5dDa1DaYv5v5HmfljEjP3i2/FEBrkXVtTcRiiHqKSXwKsA67Fe r9T68I5Xyt2pF7tRj0UaaRm+cinfSU8NEh5vAz/zFpTxMe8/JvZooens/N3BwyKkPPRf oWwu9dYt2Q77WszXJ3zdlhGfGnGf3xD89SCv5TQAqKUrpWclwAiCQGbQdMCQ4oxDZdLR IyG81oBIR38/1DlB22/x9Yuf5l89J6HVqRu7TA31zY7Qw+Sy0oVjcT9ci0/Yi4BZPV6t hwhfpEjoUpq7pyddzafwSMkUYjzmRSaD7PiK/2fOtz2n4oxRtPk0kjjbPtenNQCGKry6 rLXQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=j7RICgBj+n+d/Afm6itoujgH4v2WSn2k20eMyedp3RQ=; b=fyar1Duz3XK0O8ACvqMcvHQvkW0ttoZcgPYeOvAEpMMAQXBRrRAbW0meeN925FiI+r HSEAfG4VeBU7p7GlR05xeczGw5lKQcTdTk2wnzQcY6wF8J30lPRpudBusu7/DKnFzTjd KPvcNfLJdeaeHVaaUzsFp0p7Q2Afw1APfm9lZHNO0+u4g5Z4MRiCxQgWdrWUE7fv67DU PQGczo3+2LnnMyNuTgoq/q7uS1+b1dxx0RGeMI+84wz4BrdErVwb9rlpTnff7jFOxyuA OD0IKMrXclGgFxjBxk5waqGsMzXz4n+AMC/QgxQGKbThPIQTD3dvKUaB0Ods50mswq1M NuqQ== X-Gm-Message-State: AOAM5310/KEBHHW77tCdgxLjJ9SkKqBl6Ks2kSxU7jW02w8CIz+TqMyG 1YDSnfeV1ZxX518cE8hCpnwLlYIqV4s= X-Google-Smtp-Source: ABdhPJwW0+xHoswSJNskaLRN2nfdFkQuCMbfEPiLXA8M69ShlwHHfEf/z9n4+KAGwm0SWJakxCbp8Q== X-Received: by 2002:a1c:9883:: with SMTP id a125mr324754wme.133.1599599984552; Tue, 08 Sep 2020 14:19:44 -0700 (PDT) Received: from sblaptop.fritz.box (ipbcc1fb0f.dynamic.kabel-deutschland.de. [188.193.251.15]) by smtp.gmail.com with ESMTPSA id a15sm1074304wrn.3.2020.09.08.14.19.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 08 Sep 2020 14:19:44 -0700 (PDT) From: Andreas Rheinhardt To: ffmpeg-devel@ffmpeg.org Date: Tue, 8 Sep 2020 23:18:55 +0200 Message-Id: <20200908211856.16290-24-andreas.rheinhardt@gmail.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200908211856.16290-1-andreas.rheinhardt@gmail.com> References: <20200908211856.16290-1-andreas.rheinhardt@gmail.com> MIME-Version: 1.0 Subject: [FFmpeg-devel] [PATCH 24/25] avfilter/af_headphone: Remove pointless additions 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 Cc: Andreas Rheinhardt Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" buffer_length is a power-of-two and modulo is buffer_length - 1, so that buffer_length & modulo is zero. Signed-off-by: Andreas Rheinhardt --- libavfilter/af_headphone.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavfilter/af_headphone.c b/libavfilter/af_headphone.c index 8db546adbf..03ef88c4a4 100644 --- a/libavfilter/af_headphone.c +++ b/libavfilter/af_headphone.c @@ -178,7 +178,7 @@ static int headphone_convolute(AVFilterContext *ctx, void *arg, int jobnr, int n continue; } - read = (wr - (ir_len - 1) + buffer_length) & modulo; + read = (wr - (ir_len - 1)) & modulo; if (read + ir_len < buffer_length) { memcpy(temp_src, bptr + read, ir_len * sizeof(*temp_src));