From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ffbox0-bg.ffmpeg.org (ffbox0-bg.ffmpeg.org [79.124.17.100]) by master.gitmailbox.com (Postfix) with ESMTPS id 31E204BBE2 for ; Wed, 23 Jul 2025 17:02:20 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.ffmpeg.org (Postfix) with ESMTP id 966C368CD20; Wed, 23 Jul 2025 20:02:14 +0300 (EEST) Received: from nef.ens.fr (nef2.ens.fr [129.199.96.40]) by ffbox0-bg.ffmpeg.org (Postfix) with ESMTPS id 1FE7E68BD3B for ; Wed, 23 Jul 2025 20:02:07 +0300 (EEST) X-ENS-nef-client: 129.199.129.80 ( name = phare.normalesup.org ) Received: from phare.normalesup.org (phare.normalesup.org [129.199.129.80]) by nef.ens.fr (8.14.4/1.01.28121999) with ESMTP id 56NH26Oq024445 for ; Wed, 23 Jul 2025 19:02:06 +0200 Received: by phare.normalesup.org (Postfix, from userid 1001) id 60D592EFE3; Wed, 23 Jul 2025 19:02:06 +0200 (CEST) Date: Wed, 23 Jul 2025 19:02:06 +0200 From: Nicolas George To: FFmpeg development discussions and patches Message-ID: References: <20250723135626.1390296-1-ffmpeg@haasn.xyz> <20250723171838.GB1401694@haasn.xyz> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20250723171838.GB1401694@haasn.xyz> X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.4.3 (nef.ens.fr [129.199.96.32]); Wed, 23 Jul 2025 19:02:06 +0200 (CEST) Subject: Re: [FFmpeg-devel] Again pre-multiplied alpha 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 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: Niklas Haas (HE12025-07-23): > [PATCH v2 05/18] avcodec/encode: enforce alpha mode compatibility at encode time That handles it for encoders, I suppose. But I do not see anything protecting you from stacking images with different kind of alpha or sending this kind of frames to a muxer with uncoded frames. Regards, -- Nicolas George _______________________________________________ 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".