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[79.124.17.100]) by mx.google.com with ESMTP id a25-20020a056402169900b00454279b5b86si5222046edv.511.2022.09.22.11.59.07; Thu, 22 Sep 2022 11:59:07 -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; dkim=neutral (body hash did not verify) header.i=@gmail.com header.s=20210112 header.b=FyzlcC1l; 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; dmarc=fail (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 8198068BBAA; Thu, 22 Sep 2022 21:59:04 +0300 (EEST) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from mail-oi1-f177.google.com (mail-oi1-f177.google.com [209.85.167.177]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id B4CBC68BB9A for ; Thu, 22 Sep 2022 21:58:57 +0300 (EEST) Received: by mail-oi1-f177.google.com with SMTP id u131so13580288oie.5 for ; Thu, 22 Sep 2022 11:58:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:mime-version:message-id:date:subject:to :from:from:to:cc:subject:date; bh=wI2LzUUxJaIK9PzvuasNyHliN1z5Saw6UUio+/JGDkI=; b=FyzlcC1lorODoYyGpJbgNjQJTu8VDyiX+u+WR6gC9itCLSoSRYzTtPmLPSXNg8mdp/ b4pITiJm8Xm6k5BSsLdiZOMHxET8EXPQiPqlDui6rucqjowxziqZ608d9a5VZZnn29AW n/E9XNJfy0hVfxJs224jZ8CSZnmomX6+0O4nfty5OWYtwBwIa1t3BMckCxm3rjUl1g+S U00vE7GLolWb8IIPIfnC+aOHwl0L83JrKoFkWM6WEu++/V451ypSnKhBhFr6ou84PMgI lLSn1sJ3o3fBpAIfvc0ekobnBmidQzX8pnmKQ1ZDtD41zxhmWaMla2++Q/ijG54kDp6Z JeQw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:message-id:date:subject:to :from:x-gm-message-state:from:to:cc:subject:date; bh=wI2LzUUxJaIK9PzvuasNyHliN1z5Saw6UUio+/JGDkI=; b=mWnl7imBqbrqUMWhwihWPUD9KlJKj3C9h39S6fpl1qD39O9pEf6PF10VlWoicsIcvc 6aUzwH7BQrcaBFWH29DdPBypCovEeXgCEfZl3ISQ0iJq21nvF6wHPgL4KYYsgZLzKvw4 7+Fh7IJoFt1hgXVk2hZ+FJc+BP+jUG0AKzZ32/mEyhLmmsGdTNccAOL40EEEFn4xRUCi n+4q92BH0y3zNQLt9f3kYxwSxYfN0v4wmFisDRRvuE4eZtILItU000OJ0ZOV5ABG4t29 ydSDJ6vTnOrKcIDgjF9PBwm4RkZ6stQdiP8cNxu5GDe60DSAK/BauSI5/TyQ/ZsSwIkj yvuA== X-Gm-Message-State: ACrzQf06HAR2vEDNBn4k8REHaEbY2Z5uZ/fo2ARM17Xr6cAwbZKgqHqK i8Sx+3LXMEES6WH/gs0NC02wJGL+5vk= X-Received: by 2002:a05:6808:f05:b0:350:c7fc:3a71 with SMTP id m5-20020a0568080f0500b00350c7fc3a71mr2394836oiw.267.1663873135996; Thu, 22 Sep 2022 11:58:55 -0700 (PDT) Received: from localhost.localdomain ([191.97.187.183]) by smtp.gmail.com with ESMTPSA id bb31-20020a056808169f00b0033a37114eb0sm2877492oib.19.2022.09.22.11.58.54 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 22 Sep 2022 11:58:55 -0700 (PDT) From: James Almer To: ffmpeg-devel@ffmpeg.org Date: Thu, 22 Sep 2022 15:58:33 -0300 Message-Id: <20220922185834.5700-1-jamrial@gmail.com> X-Mailer: git-send-email 2.37.3 MIME-Version: 1.0 Subject: [FFmpeg-devel] [PATCH 1/2] avcodec/lpc: zero the middle odd sample in the output X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.29 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" X-TUID: pt3a7UitKTpr Signed-off-by: James Almer --- libavcodec/lpc.c | 1 + libavcodec/x86/lpc.asm | 10 +++++++--- 2 files changed, 8 insertions(+), 3 deletions(-) diff --git a/libavcodec/lpc.c b/libavcodec/lpc.c index 8603bb9709..dc6a3060ce 100644 --- a/libavcodec/lpc.c +++ b/libavcodec/lpc.c @@ -53,6 +53,7 @@ static void lpc_apply_welch_window_c(const int32_t *data, ptrdiff_t len, w_data[i] = data[i] * w; w_data[len-1-i] = data[len-1-i] * w; } + w_data[n2] = 0.0; return; } diff --git a/libavcodec/x86/lpc.asm b/libavcodec/x86/lpc.asm index ad74f1d8ac..47b31aa147 100644 --- a/libavcodec/x86/lpc.asm +++ b/libavcodec/x86/lpc.asm @@ -37,7 +37,7 @@ SECTION .text %macro APPLY_WELCH_FN 0 cglobal lpc_apply_welch_window, 3, 5, 8, data, len, out, off1, off2 cmp lenq, 0 - je .end + je .end_e cmp lenq, 2 je .two cmp lenq, 1 @@ -104,7 +104,7 @@ cglobal lpc_apply_welch_window, 3, 5, 8, data, len, out, off1, off2 add lend, (mmsize/4 - 1) cmp lend, 0 - je .end + je .end_o sub lenq, (mmsize/4 - 1) .scalar_o: @@ -135,6 +135,10 @@ cglobal lpc_apply_welch_window, 3, 5, 8, data, len, out, off1, off2 sub lenq, 2 jg .loop_o_scalar + +.end_o: + xorps xm3, xm3 + movlpd [outq + off1q*2], xm3 RET .even: @@ -233,7 +237,7 @@ cglobal lpc_apply_welch_window, 3, 5, 8, data, len, out, off1, off2 .one: xorpd xm0, xm0 movhpd [outq], xm0 -.end: +.end_e: RET %endmacro