From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: <ffmpeg-devel-bounces@ffmpeg.org> Received: from ffbox0-bg.mplayerhq.hu (ffbox0-bg.ffmpeg.org [79.124.17.100]) by master.gitmailbox.com (Postfix) with ESMTPS id 29B104C30E for <ffmpegdev@gitmailbox.com>; Thu, 3 Apr 2025 00:35:36 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id BFE9968B157; Thu, 3 Apr 2025 03:35:32 +0300 (EEST) Received: from relay3-d.mail.gandi.net (relay3-d.mail.gandi.net [217.70.183.195]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id CEA16687D6B for <ffmpeg-devel@ffmpeg.org>; Thu, 3 Apr 2025 03:35:25 +0300 (EEST) Received: by mail.gandi.net (Postfix) with ESMTPSA id F216020452 for <ffmpeg-devel@ffmpeg.org>; Thu, 3 Apr 2025 00:35:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=niedermayer.cc; s=gm1; t=1743640525; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=JYou6vMrywPSGJLymow071MUUNj3AE5U7oQQ4SBssdg=; b=DCxlmrakxlLEHpBwj7w57eGcFJrxLt0w8NjwTlk0lRoWYnRRwyoXq2x81pdH3Q5uMo5LQP CRjL57h+sLr1P/q7AnBtp9xnMGNStsMkCqfH34cnU1cgMNIMnRu0BDAyGNWYut9SHSptQS kAcxi2SCf8Po8qMWWPxP8y4fKkVIAwDz/WxpO8/mDghTyhRQzup7wE5nPG8BIFREm/ubXK 9Sko2QtU3C2dlhaRce+eh7adLtOSo7uutkGIg5B4J5j7LosloCVFCG0c8MvQ3WmMqC7Zi9 FuSs8pXGDOzjiT+xIlYYs1hOaAW9ylJtpj49grMDPQupM+OZj4MvGVN4ajdeZQ== Date: Thu, 3 Apr 2025 02:35:23 +0200 From: Michael Niedermayer <michael@niedermayer.cc> To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org> Message-ID: <20250403003523.GN4991@pb2> References: <20250402211317.3079829-1-michael@niedermayer.cc> <72c55c0a-3bb2-44dc-a646-663421c20630@mediaarea.net> <20250403000736.GM4991@pb2> MIME-Version: 1.0 In-Reply-To: <20250403000736.GM4991@pb2> X-GND-State: clean X-GND-Score: -70 X-GND-Cause: gggruggvucftvghtrhhoucdtuddrgeefvddrtddtgddukeejudduucetufdoteggodetrfdotffvucfrrhhofhhilhgvmecuifetpfffkfdpucggtfgfnhhsuhgsshgtrhhisggvnecuuegrihhlohhuthemuceftddunecusecvtfgvtghiphhivghnthhsucdlqddutddtmdenfghrlhcuvffnffculdeftddmnecujfgurhepfffhvffukfhfgggtuggjsehgtderredttddunecuhfhrohhmpefoihgthhgrvghlucfpihgvuggvrhhmrgihvghruceomhhitghhrggvlhesnhhivgguvghrmhgrhigvrhdrtggtqeenucggtffrrghtthgvrhhnpedutedvhfduuedugedufefghefhvedvgffgffekhfdvgfdvtefftdejkeehteefheenucfkphepgedurdeiiedrieejrdduudefnecuvehluhhsthgvrhfuihiivgeptdenucfrrghrrghmpehinhgvthepgedurdeiiedrieejrdduudefpdhhvghloheplhhotggrlhhhohhsthdpmhgrihhlfhhrohhmpehmihgthhgrvghlsehnihgvuggvrhhmrgihvghrrdgttgdpnhgspghrtghpthhtohepuddprhgtphhtthhopehffhhmphgvghdquggvvhgvlhesfhhfmhhpvghgrdhorhhg X-GND-Sasl: michael@niedermayer.cc Subject: Re: [FFmpeg-devel] [PATCH] avcodec/ffv1: Store slices*planes with the minimum bits needed after remap X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: FFmpeg development discussions and patches <ffmpeg-devel.ffmpeg.org> List-Unsubscribe: <https://ffmpeg.org/mailman/options/ffmpeg-devel>, <mailto:ffmpeg-devel-request@ffmpeg.org?subject=unsubscribe> List-Archive: <https://ffmpeg.org/pipermail/ffmpeg-devel> List-Post: <mailto:ffmpeg-devel@ffmpeg.org> List-Help: <mailto:ffmpeg-devel-request@ffmpeg.org?subject=help> List-Subscribe: <https://ffmpeg.org/mailman/listinfo/ffmpeg-devel>, <mailto:ffmpeg-devel-request@ffmpeg.org?subject=subscribe> Reply-To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org> Content-Type: multipart/mixed; boundary="===============6355640924066090759==" Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" <ffmpeg-devel-bounces@ffmpeg.org> Archived-At: <https://master.gitmailbox.com/ffmpegdev/20250403003523.GN4991@pb2/> List-Archive: <https://master.gitmailbox.com/ffmpegdev/> List-Post: <mailto:ffmpegdev@gitmailbox.com> --===============6355640924066090759== Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="sGbTKDG+DMhbhz8y" Content-Disposition: inline --sGbTKDG+DMhbhz8y Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Apr 03, 2025 at 02:07:36AM +0200, Michael Niedermayer wrote: > Hi Jerome >=20 > On Wed, Apr 02, 2025 at 11:31:53PM +0200, Jerome Martinez wrote: > > Le 02/04/2025 =E0 23:13, Michael Niedermayer a =E9crit=A0: > > > [...] > > >=20 > > > This improves compression as wrap around can be cheaper to reach a > > > value. > >=20 > >=20 > > There is an issue in FFV1 version <=3D3 with RCT, bit depth of resulting > > luminance plane was 1 more than needed (RCT adds 1 bit to chrominance b= ut > > not to luminance, but with current spec all planes have 1 additional bi= t), > > preventing in practice the wrap around for luminance, do I understand w= ell > > that the remap would mitigate such issue? >=20 > yes, in fact with version 4 that issue is fixed with this patch without r= emap too correction, with the v2 i will post in a moment. This one was missing some hunks [...] --=20 Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB Breaking DRM is a little like attempting to break through a door even though the window is wide open and the only thing in the house is a bunch of things you dont want and which you would get tomorrow for free anyway --sGbTKDG+DMhbhz8y Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iF0EABEKAB0WIQSf8hKLFH72cwut8TNhHseHBAsPqwUCZ+3XyAAKCRBhHseHBAsP q/g7AJ9TbOJBitnt8OTh1j2C3wPWZsB1OACfVPfqHu0qRR+rctvsD8q6u4RQOfs= =yJxH -----END PGP SIGNATURE----- --sGbTKDG+DMhbhz8y-- --===============6355640924066090759== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ 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". --===============6355640924066090759==--