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 7D852461CA for ; Tue, 9 May 2023 06:23:28 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id CC92768C1F4; Tue, 9 May 2023 09:23:25 +0300 (EEST) Received: from mail0.khirnov.net (red.khirnov.net [176.97.15.12]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id 2B89168C0AC for ; Tue, 9 May 2023 09:23:19 +0300 (EEST) Received: from localhost (localhost [IPv6:::1]) by mail0.khirnov.net (Postfix) with ESMTP id E72712404EC; Tue, 9 May 2023 08:23:18 +0200 (CEST) Received: from mail0.khirnov.net ([IPv6:::1]) by localhost (mail0.khirnov.net [IPv6:::1]) (amavisd-new, port 10024) with ESMTP id 74uFIKk9hjYu; Tue, 9 May 2023 08:23:18 +0200 (CEST) Received: from lain.khirnov.net (lain.khirnov.net [IPv6:2001:67c:1138:4306::3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "lain.khirnov.net", Issuer "smtp.khirnov.net SMTP CA" (verified OK)) by mail0.khirnov.net (Postfix) with ESMTPS id 6213D240177; Tue, 9 May 2023 08:23:18 +0200 (CEST) Received: by lain.khirnov.net (Postfix, from userid 1000) id 43F0A1601B2; Tue, 9 May 2023 08:23:18 +0200 (CEST) From: Anton Khirnov To: FFmpeg development discussions and patches In-Reply-To: <20230427180851.92573-2-thilo.borgmann@mail.de> References: <20230427180851.92573-1-thilo.borgmann@mail.de> <20230427180851.92573-2-thilo.borgmann@mail.de> Mail-Followup-To: FFmpeg development discussions and patches , Josef Zlomek Date: Tue, 09 May 2023 08:23:18 +0200 Message-ID: <168361339824.3843.857116725628388166@lain.khirnov.net> User-Agent: alot/0.8.1 MIME-Version: 1.0 Subject: Re: [FFmpeg-devel] [PATCH 1/2] libavcodec/webp: add support for animated WebP decoding 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: Josef Zlomek 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: Quoting Thilo Borgmann (2023-04-27 20:08:50) > From: Josef Zlomek > > Fixes: 4907 > > Adds support for decoding of animated WebP. > > The WebP parser now splits the input stream into packets containing one frame. > > The WebP decoder adds the animation related features according to the specs: > https://developers.google.com/speed/webp/docs/riff_container#animation > The frames of the animation may be smaller than the image canvas. > Therefore, the frame is decoded to a temporary frame, > then it is blended into the canvas, the canvas is copied to the output frame, > and finally the frame is disposed from the canvas. > > The output to AV_PIX_FMT_YUVA420P/AV_PIX_FMT_YUV420P is still supported. > The background color is specified only as BGRA in the WebP file > so it is converted to YUVA if YUV formats are output. > > Signed-off-by: Josef Zlomek > --- > Changelog | 1 + > libavcodec/codec_desc.c | 3 +- > libavcodec/version.h | 2 +- > libavcodec/webp.c | 713 +++++++++++++++++++++++++++++++++++---- This patch is unreadable and should be split. -- Anton Khirnov _______________________________________________ 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".