From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ffbox0-bg.mplayerhq.hu (ffbox0-bg.ffmpeg.org [79.124.17.100]) by master.gitmailbox.com (Postfix) with ESMTP id 4E25F45173 for ; Tue, 10 Jan 2023 20:43:22 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id F177E68BB61; Tue, 10 Jan 2023 22:43:19 +0200 (EET) Received: from mail-vs1-f49.google.com (mail-vs1-f49.google.com [209.85.217.49]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 0D7BA68B2C8 for ; Tue, 10 Jan 2023 22:43:13 +0200 (EET) Received: by mail-vs1-f49.google.com with SMTP id n190so9711424vsc.11 for ; Tue, 10 Jan 2023 12:43:12 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=cc:to:subject:message-id:date:from:references:in-reply-to :mime-version:from:to:cc:subject:date:message-id:reply-to; bh=Mg4Q2pZYeMJNrXlNHKFUmcly9cnqdMMhMPSkYHxMeJY=; b=R7wnabHcR8t403MJ+mV+dyBA1zjpWcB4Vj4PKAvkaWWAbwME1ax/u84byusDpTSqdU tGGoIK5illIKMJ1ZAEZtOFh5294whj3BrCZCmM3qBTYt5TqBXcP/bkMKusihKeMequpx qfwi+D5jx6vVvBPsFm70R6c2iHWwCAOdr3jecpyuM+5/f0wwvwL1c95/z2KLfY+Rjr3W QIYfsmd486GAf427OvjZ2hBAcpRJNA5a8vym/HeW4LKqRzxE034ghcdNHLgwrY8zwlas fJNgrgl9GqN8ttIr6np2PU6WBlLvVS7fb31+pU7R3BJrRVKPBvpGOAFFwEgDK6/s3aoE sfzw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=cc:to:subject:message-id:date:from:references:in-reply-to :mime-version:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=Mg4Q2pZYeMJNrXlNHKFUmcly9cnqdMMhMPSkYHxMeJY=; b=VZiw1C/4D+zmoYFF1jfZTtoBWfaIrgXjSqyTjtMhKeiyxRTxGqE3q/05UYbKBAXJPO wkvlgGDWEGI3+4LLcu6I3L6d4FeRUjq8LZEG5IPp0szXH11lcwy0JixeKJtIaLN+B9il J0x7ySEhluHZjasNHMd90V9fvRokgY/518RvDGCvlpAo8MqVz0EeAIVMU146C9yDm6mI M61izyXxbof0o/Mz/1CFXTL2ZBNJpKZu1g5akovxKlEujjXymGr2FOwFYSCsPfQ/Jtzp LRPtbIYBdEYHpmhpp/hNu8M8DM+VGlw2nKbakpfg2Rc98ABUPvlT7w34DhXbI+YeFOK7 031g== X-Gm-Message-State: AFqh2kpOOAWLaoI+1ywWIiTN2ITIRMAGSENdXnj6U5LDkLEUBfYEIY+4 t056wrSlAGyUVjUHfLpE1aGHxQucO3ZMy9jCSA8BxM5g X-Google-Smtp-Source: AMrXdXshwFUmu+HG+MxHEatRedXIrvF8m/ZHJ8WEji3KrgUlLAUS0a9K9FkwFVrezAxoeUrX80KHViECLqHO/lwgBuI= X-Received: by 2002:a67:ec94:0:b0:3b5:32d0:edcc with SMTP id h20-20020a67ec94000000b003b532d0edccmr9750456vsp.24.1673383391487; Tue, 10 Jan 2023 12:43:11 -0800 (PST) MIME-Version: 1.0 Received: by 2002:a05:612c:2428:b0:32a:5eaa:92e4 with HTTP; Tue, 10 Jan 2023 12:43:10 -0800 (PST) In-Reply-To: References: From: Paul B Mahol Date: Tue, 10 Jan 2023 21:43:10 +0100 Message-ID: To: FFmpeg development discussions and patches Subject: Re: [FFmpeg-devel] [PATCH] Request for adding XPSNR avfilter 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 Cc: "Stoffers, Christian" Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" Archived-At: List-Archive: List-Post: On 1/10/23, Helmrich, Christian wrote: > Hi, > > please find attached a patch (relative to FFmpeg master as of early January > 10, 2023) > adding avfilter support for extended perceptually weighted peak > signal-to-noise ratio > (XPSNR) measurements for videos, as described in the related addition to > filters.texi. > > The XPSNR code was originally vectorized using SIMD intrinsics, but we > concluded that > FFmpeg code requires asm instead of such intrinsics, so we let gcc > auto-convert these So its better to use that instead of human written assembly? Does clang generate faster code without this asm? > instructions to pure assembly; see the vf_xpsnr.asm file. If the added asm > code is too > lengthy, intrinsics would be possible, or something else is missing, please > let us know. > Please remove SLICE_THREADS related flag as there is no call to execute to filter in slices. Please remove stdbool.h header and adapt code to compile without it. > Best, > > Christian Helmrich and Christian Stoffers > Fraunhofer HHI > _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe".