From unknown Thu Sep 11 20:11:50 2025 X-Loop: help-debbugs@gnu.org Subject: bug#39703: MPV chooses the slow AV1 decoder Resent-From: Leo Famulari Original-Sender: "Debbugs-submit" Resent-CC: bug-guix@gnu.org Resent-Date: Thu, 20 Feb 2020 22:52:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: report 39703 X-GNU-PR-Package: guix X-GNU-PR-Keywords: To: 39703@debbugs.gnu.org X-Debbugs-Original-To: bug-guix@gnu.org Received: via spool by submit@debbugs.gnu.org id=B.158223906212104 (code B ref -1); Thu, 20 Feb 2020 22:52:01 +0000 Received: (at submit) by debbugs.gnu.org; 20 Feb 2020 22:51:02 +0000 Received: from localhost ([127.0.0.1]:46057 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1j4uer-000395-Mt for submit@debbugs.gnu.org; Thu, 20 Feb 2020 17:51:01 -0500 Received: from lists.gnu.org ([209.51.188.17]:50443) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1j4ueq-00038m-5a for submit@debbugs.gnu.org; Thu, 20 Feb 2020 17:51:00 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:55209) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1j4uep-0001Kp-5m for bug-guix@gnu.org; Thu, 20 Feb 2020 17:50:59 -0500 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on eggs.gnu.org X-Spam-Level: X-Spam-Status: No, score=0.1 required=5.0 tests=BAYES_50,RCVD_IN_DNSWL_LOW, URIBL_BLOCKED autolearn=disabled version=3.3.2 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1j4ueo-0004iG-9K for bug-guix@gnu.org; Thu, 20 Feb 2020 17:50:59 -0500 Received: from wout1-smtp.messagingengine.com ([64.147.123.24]:53341) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1j4uen-0004hY-HI for bug-guix@gnu.org; Thu, 20 Feb 2020 17:50:57 -0500 Received: from compute4.internal (compute4.nyi.internal [10.202.2.44]) by mailout.west.internal (Postfix) with ESMTP id 3E169417; Thu, 20 Feb 2020 17:50:56 -0500 (EST) Received: from mailfrontend1 ([10.202.2.162]) by compute4.internal (MEProxy); Thu, 20 Feb 2020 17:50:56 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=famulari.name; h=date:from:to:subject:message-id:mime-version:content-type; s= mesmtp; bh=OwW1ZKKOgbxbkAn2auxFsUy71/qUTocQuZe+WmuBzzc=; b=nHIzc qRpkSJjYuqp2w41cxE5BsTkNZcyftH9inC4ipzz8mWcJwEhl+BYaT9hcn1Tf57lS sQwJoucaSF7RCcVdF/ekbMnxlXAZplT06pXEkmDKeJUKLEKWJIPH8mLLcASTGJEN f0Wluy2u5ptqfWQPu845i/qsFKNex1uCU34aJg= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=content-type:date:from:message-id :mime-version:subject:to:x-me-proxy:x-me-proxy:x-me-sender :x-me-sender:x-sasl-enc; s=fm2; bh=OwW1ZKKOgbxbkAn2auxFsUy71/qUT ocQuZe+WmuBzzc=; b=bMhd0+imf3AbPtQLtRTGxmMZFeq4oVUOlGeZywZ9bYRru dqkBt879Gm3ukWoifxpMEud3+uXFCDl9dO78Ezne/uNnxELIj83rIAQZensxwCL7 82l7SUFCKxhZrMZJuvMh0XHgJnBBRnHiu3oXayh06koPdrXzekMX28eRkPTEIUkm 7dr69tb8nfMtoDzKrpLLn4IW/8S96y5Wu5ne49kl7/gxxFflPpxe9E6wmc08O959 ONuWlc6yRV2272oxQOdlDJMkBS5Qz5vOB0F8p9agoC98w4ayhghUrTzC5yjbIoUO 0i90IVc82TV0UHAII6iJpT8WG+ypw+T/TZ5+JI26w== X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedugedrkeefgddtgecutefuodetggdotefrodftvf curfhrohhfihhlvgemucfhrghsthforghilhdpqfgfvfdpuffrtefokffrpgfnqfghnecu uegrihhlohhuthemuceftddtnecunecujfgurhepfffhvffukfggtggusehttdertddttd dvnecuhfhrohhmpefnvghoucfhrghmuhhlrghrihcuoehlvghosehfrghmuhhlrghrihdr nhgrmhgvqeenucfkphepjeeirdduvdegrddufeekrdeifeenucevlhhushhtvghrufhiii gvpedtnecurfgrrhgrmhepmhgrihhlfhhrohhmpehlvghosehfrghmuhhlrghrihdrnhgr mhgv X-ME-Proxy: Received: from localhost (c-76-124-138-63.hsd1.pa.comcast.net [76.124.138.63]) by mail.messagingengine.com (Postfix) with ESMTPA id 7BB56328005A for ; Thu, 20 Feb 2020 17:50:55 -0500 (EST) Date: Thu, 20 Feb 2020 17:50:54 -0500 From: Leo Famulari Message-ID: <20200220225054.GA28160@jasmine.lan> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 64.147.123.24 X-Spam-Score: 0.2 (/) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -0.8 (/) I noticed that our MPV cannot play back AV1 videos in real-time on my Thinkpad x230 laptop. MPV gets AV1 playback support from FFmpeg. Our FFmpeg package includes both the libaom and dav1d AV1 decoders. I think that MPV is using libaom, and that is too slow. I rebuilt FFmpeg without libaom, and MPV can play my AV1 test file fine now, using dav1d. I wonder, is there a way to change the preference? From unknown Thu Sep 11 20:11:50 2025 MIME-Version: 1.0 X-Mailer: MIME-tools 5.505 (Entity 5.505) X-Loop: help-debbugs@gnu.org From: help-debbugs@gnu.org (GNU bug Tracking System) To: Leo Famulari Subject: bug#39703: closed (Re: MPV chooses the slow AV1 decoder) Message-ID: References: <20200220225054.GA28160@jasmine.lan> X-Gnu-PR-Message: they-closed 39703 X-Gnu-PR-Package: guix Reply-To: 39703@debbugs.gnu.org Date: Wed, 10 Jan 2024 18:14:02 +0000 Content-Type: multipart/mixed; boundary="----------=_1704910442-23884-1" This is a multi-part message in MIME format... ------------=_1704910442-23884-1 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Your bug report #39703: MPV chooses the slow AV1 decoder which was filed against the guix package, has been closed. The explanation is attached below, along with your original report. If you require more details, please reply to 39703@debbugs.gnu.org. --=20 39703: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=3D39703 GNU Bug Tracking System Contact help-debbugs@gnu.org with problems ------------=_1704910442-23884-1 Content-Type: message/rfc822 Content-Disposition: inline Content-Transfer-Encoding: 7bit Received: (at 39703-done) by debbugs.gnu.org; 10 Jan 2024 18:13:36 +0000 Received: from localhost ([127.0.0.1]:43057 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1rNd55-0006CS-Mm for submit@debbugs.gnu.org; Wed, 10 Jan 2024 13:13:35 -0500 Received: from wout1-smtp.messagingengine.com ([64.147.123.24]:38901) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1rNd52-0006CD-A9 for 39703-done@debbugs.gnu.org; Wed, 10 Jan 2024 13:13:33 -0500 Received: from compute3.internal (compute3.nyi.internal [10.202.2.43]) by mailout.west.internal (Postfix) with ESMTP id F1921320046F; Wed, 10 Jan 2024 13:13:26 -0500 (EST) Received: from mailfrontend1 ([10.202.2.162]) by compute3.internal (MEProxy); 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Wed, 10 Jan 2024 13:13:24 -0500 (EST) Date: Wed, 10 Jan 2024 13:13:11 -0500 From: Leo Famulari To: 39703-done@debbugs.gnu.org Subject: Re: MPV chooses the slow AV1 decoder Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline X-Spam-Score: -0.7 (/) X-Debbugs-Envelope-To: 39703-done X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -1.7 (-) After 4 years, many upstream releases of mpv and FFmpeg, and a new laptop, I'm closing this bug as "not actionable". ------------=_1704910442-23884-1 Content-Type: message/rfc822 Content-Disposition: inline Content-Transfer-Encoding: 7bit Received: (at submit) by debbugs.gnu.org; 20 Feb 2020 22:51:02 +0000 Received: from localhost ([127.0.0.1]:46057 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1j4uer-000395-Mt for submit@debbugs.gnu.org; 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Thu, 20 Feb 2020 17:50:55 -0500 (EST) Date: Thu, 20 Feb 2020 17:50:54 -0500 From: Leo Famulari To: bug-guix@gnu.org Subject: MPV chooses the slow AV1 decoder Message-ID: <20200220225054.GA28160@jasmine.lan> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 64.147.123.24 X-Spam-Score: 0.2 (/) X-Debbugs-Envelope-To: submit X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -0.8 (/) I noticed that our MPV cannot play back AV1 videos in real-time on my Thinkpad x230 laptop. MPV gets AV1 playback support from FFmpeg. Our FFmpeg package includes both the libaom and dav1d AV1 decoders. I think that MPV is using libaom, and that is too slow. I rebuilt FFmpeg without libaom, and MPV can play my AV1 test file fine now, using dav1d. I wonder, is there a way to change the preference? ------------=_1704910442-23884-1--