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 D37D04AC56 for ; Mon, 17 Jun 2024 07:24:34 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id D5A7E68D759; Mon, 17 Jun 2024 10:24:32 +0300 (EEST) Received: from mail0.khirnov.net (red.khirnov.net [176.97.15.12]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id AEB3A68D62D for ; Mon, 17 Jun 2024 10:24:26 +0300 (EEST) Authentication-Results: mail0.khirnov.net; dkim=pass (2048-bit key; unprotected) header.d=khirnov.net header.i=@khirnov.net header.a=rsa-sha256 header.s=mail header.b=n1D9USkJ; dkim-atps=neutral Received: from localhost (localhost [IPv6:::1]) by mail0.khirnov.net (Postfix) with ESMTP id 7068D240DAC for ; Mon, 17 Jun 2024 09:24:26 +0200 (CEST) Received: from mail0.khirnov.net ([IPv6:::1]) by localhost (mail0.khirnov.net [IPv6:::1]) (amavis, port 10024) with ESMTP id cJgnJOl_LAC8 for ; Mon, 17 Jun 2024 09:24:25 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=khirnov.net; s=mail; t=1718609065; bh=UBWYdewW0s87c5eqlwvB3mrVnD0V14fuOLHJRjo+x1c=; h=Subject:From:To:In-Reply-To:References:Date:From; b=n1D9USkJl27P7qUb+PIy6IGZUX4tJydjsoa/o9LmghucYmiAuuu1jezGaKVQ4IbFm zgnUrpeiuFgw5HEPwSkjma+hudQBX1ESIFJ/18ZZSP8JHSPVcPxnZqn3D1sDpIy1Oi OMwYakle4G9rpBFBfbr8ppRe6Eb/tLem0PWA1UTfp1z8T7KNhKYBOtNAq7NuXn+MkV Xg151fxoOUuTSYyA/xz/snD6jnys4ZORVmi9upBYTauizpV8AeuBNcl9YlfjpcV4VC js+Ve4WJZtN5Q1tO5G/rbJsZQ6/liQ32I0zcUhnNUVS0P1VHxbgLep/NHMUVmGMHXj O1fCegQxGDxnQ== 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 A65432404E5 for ; Mon, 17 Jun 2024 09:24:25 +0200 (CEST) Received: by lain.khirnov.net (Postfix, from userid 1000) id 96D6D1601B9; Mon, 17 Jun 2024 09:24:25 +0200 (CEST) From: Anton Khirnov To: FFmpeg development discussions and patches In-Reply-To: References: Mail-Followup-To: FFmpeg development discussions and patches Date: Mon, 17 Jun 2024 09:24:25 +0200 Message-ID: <171860906559.28895.327110577686261967@lain.khirnov.net> User-Agent: alot/0.8.1 MIME-Version: 1.0 Subject: Re: [FFmpeg-devel] [BROKEN] apad causes infinite hang 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: Quoting Paul B Mahol (2024-06-14 14:19:13) > Just try with: > > ffmpeg -f lavfi -i sine=d=30 -af apad -f null - > > Pressing 'q' will not stop it at all, because current ffmpeg code will try > to flush all frames, but because pad filter never receives EOF from next > filter in chain (sink) it will happily produce frame forever. > > Tried to fix ffmpeg.c related code but quickly realized rewrite just made > it 10 times worse to debug this. > > Most clean solution is adding av_buffersink_close() I think it would be cleaner to have an API for closing a _source_ (or any filter that can produce unbounded amounts of output with no new input). -- 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".