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 073244C6AE for <ffmpegdev@gitmailbox.com>; Tue, 8 Apr 2025 22:35:33 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id BF2D2689F44; Wed, 9 Apr 2025 01:35:28 +0300 (EEST) Received: from relay1-d.mail.gandi.net (relay1-d.mail.gandi.net [217.70.183.193]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id BE368687DF5 for <ffmpeg-devel@ffmpeg.org>; Wed, 9 Apr 2025 01:35:22 +0300 (EEST) Received: by mail.gandi.net (Postfix) with ESMTPSA id 2D4CD4333B for <ffmpeg-devel@ffmpeg.org>; Tue, 8 Apr 2025 22:35:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=niedermayer.cc; s=gm1; t=1744151722; 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=VtocgjQ/Z4VM+dJnur/+0m6lKxWv8NZINEZbb1oe3i8=; b=brfTtZmNUdwG4fznrITPb5YQiv6o49qYLNslOCRRtjG9z1eeADSf3fHxa0BhVup7VTLKHO LS89KOKpedYVR7Jz7wC0X09EX/QPKua04wzortmy2pAXbbQ7h34zCIqCXYLCbY9ryU7tiC +b4FELHAUXhOWc/xWPEK9YJB2WZBf5UvT8LaEpQnVebUAzwqid/7Baa44aSfglDBi3vYpS hAoE3sNUun/1Bgv2OnviXAz0jk6UUmy7LTbKgQ02qJ/Wie4ddE2e4twV0c956mncr+mYZp +XUSvSE7bGl2nkUVbohqypROo1kFsS+RmV+9HwkBT8IdQ8OOgt3L48TK5MpMHw== Date: Wed, 9 Apr 2025 00:35:21 +0200 From: Michael Niedermayer <michael@niedermayer.cc> To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org> Message-ID: <20250408223521.GU4991@pb2> References: <20250408101959.GP4991@pb2> <CABWZ6OTR-Yuxo5g-ttq20LX2PHsAWteFGr_oz6FHc1p=3X5VwQ@mail.gmail.com> <20250408202937.GS4991@pb2> <3503432.tdWV9SEqCh@falbala> MIME-Version: 1.0 In-Reply-To: <3503432.tdWV9SEqCh@falbala> X-GND-State: clean X-GND-Score: -70 X-GND-Cause: gggruggvucftvghtrhhoucdtuddrgeefvddrtddtgddvtdegfeduucetufdoteggodetrfdotffvucfrrhhofhhilhgvmecuifetpfffkfdpucggtfgfnhhsuhgsshgtrhhisggvnecuuegrihhlohhuthemuceftddunecusecvtfgvtghiphhivghnthhsucdlqddutddtmdenfghrlhcuvffnffculdeftddmnecujfgurhepfffhvffukfhfgggtuggjsehgtderredttddunecuhfhrohhmpefoihgthhgrvghlucfpihgvuggvrhhmrgihvghruceomhhitghhrggvlhesnhhivgguvghrmhgrhigvrhdrtggtqeenucggtffrrghtthgvrhhnpedutedvhfduuedugedufefghefhvedvgffgffekhfdvgfdvtefftdejkeehteefheenucfkphepgedurdeiiedrieejrdduudefnecuvehluhhsthgvrhfuihiivgeptdenucfrrghrrghmpehinhgvthepgedurdeiiedrieejrdduudefpdhhvghloheplhhotggrlhhhohhsthdpmhgrihhlfhhrohhmpehmihgthhgrvghlsehnihgvuggvrhhmrgihvghrrdgttgdpnhgspghrtghpthhtohepuddprhgtphhtthhopehffhhmphgvghdquggvvhgvlhesfhhfmhhpvghgrdhorhhg X-GND-Sasl: michael@niedermayer.cc Subject: Re: [FFmpeg-devel] [RFC] AVDictionary2 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="===============4529711263896883286==" Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" <ffmpeg-devel-bounces@ffmpeg.org> Archived-At: <https://master.gitmailbox.com/ffmpegdev/20250408223521.GU4991@pb2/> List-Archive: <https://master.gitmailbox.com/ffmpegdev/> List-Post: <mailto:ffmpegdev@gitmailbox.com> --===============4529711263896883286== Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="JGOPjmXzX2WZHeWw" Content-Disposition: inline --JGOPjmXzX2WZHeWw Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi On Wed, Apr 09, 2025 at 12:18:10AM +0200, Gerion Entrup wrote: > Am Dienstag, 8. April 2025, 22:29:37 Mitteleurop=E4ische Sommerzeit schri= eb Michael Niedermayer: > > On Tue, Apr 08, 2025 at 11:10:21AM -0500, Romain Beauxis wrote: > > > Le mar. 8 avr. 2025 =E0 05:20, Michael Niedermayer > > > <michael@niedermayer.cc> a =E9crit : > >> [...] > > > * Any interest in storing multiple values for the same key? This seems > > > like a niche case but, as you pointed out in another thread, typically > > > vorbis metadata do allow multiple key/values for the same field. > >=20 > > For a single key multiple values should not be stored > > You can do > > Author1=3DEve > > Author2=3DAdam > > or > > Author=3DAdam and Eve > >=20 > > But dont do > > Author=3DEve > > Author=3DAdam > > because if you do that and then you get later a > > Author=3DLilith > > what does that mean? that its now 1 Author or 3 Authors > > or 2 and if 2 then which 2 ? > >=20 > > Or said another way, you cant have multiple identical keys like that AND > > allow updates. >=20 > AFAIK, Matroska also has Metadata that are explicitly a tree and can have= the same key. > A good example is the ACTOR tag: Most movies have more than one actor, th= e CHARACTER should be a subtag of ACTOR [1]. The AVDictionary2 API doesnt need to represent multiple actors the same way= as the matroska bitstream. Also it changes nothing on the conflict between "multiple identical keys" a= nd updates > Currently, FFmpeg just seem to ignore keys with multiple values and displ= ay the first. Since 80b77e8e8d0630710ad6069133f397459015f139, we have some support for multiple values in id3, this has the problem with updates described above though thx [...] --=20 Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB If the United States is serious about tackling the national security threat= s=20 related to an insecure 5G network, it needs to rethink the extent to which = it values corporate profits and government espionage over security.-Bruce Schn= eier --JGOPjmXzX2WZHeWw Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iF0EABEKAB0WIQSf8hKLFH72cwut8TNhHseHBAsPqwUCZ/WkpgAKCRBhHseHBAsP q84HAJ42CdZrWEr7afTDf06Dm06Ubj7ZiQCfUg4NbPW4K4LmTk5x9i0CFQ9RDeM= =SWNl -----END PGP SIGNATURE----- --JGOPjmXzX2WZHeWw-- --===============4529711263896883286== 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". --===============4529711263896883286==--