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Mon, 20 Dec 2021 22:35:18 +0000 Received: from DM8P223MB0365.NAMP223.PROD.OUTLOOK.COM ([fe80::9c8d:fc63:9488:9775]) by DM8P223MB0365.NAMP223.PROD.OUTLOOK.COM ([fe80::9c8d:fc63:9488:9775%7]) with mapi id 15.20.4801.020; Mon, 20 Dec 2021 22:35:18 +0000 From: Soft Works To: FFmpeg development discussions and patches Thread-Topic: [FFmpeg-devel] Politics Thread-Index: AdfvHU2CBKI4bcoLRhSl52fM3Tar9QBLh/sAAAAs7YAAA5K2AAAAX9TAAA7bNQAAALs1kAA/KcwAAAg1U6AAkH5iAAAAs7+gAAXLhgAAATjkwAACa1MAAABdVPAABRj/AAAAzVcAAACB8AAAA0yZAAAAyvtQACdndwAAAoRaYAAEOSKgACqfTAAABYsccA== Date: Mon, 20 Dec 2021 22:35:18 +0000 Message-ID: References: <81085377-06de-7b44-7743-78e2d6ccebb6@canta.com.ar> <20211219151612.GP2829255@pb2> <20211220144936.GR2829255@pb2> In-Reply-To: <20211220144936.GR2829255@pb2> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-tmn: [zmWWz9O7eZTgXJDSnfCS5xEXak4MF1R7] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: c4b53e1a-2e99-4bcb-e5c8-08d9c409005f x-ms-traffictypediagnostic: DM8P223MB0125:EE_ x-microsoft-antispam: BCL:0; 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charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" Archived-At: List-Archive: List-Post: > -----Original Message----- > From: ffmpeg-devel On Behalf Of Michael > Niedermayer > Sent: Monday, December 20, 2021 3:50 PM > To: FFmpeg development discussions and patches > Subject: Re: [FFmpeg-devel] Politics > > On Sun, Dec 19, 2021 at 06:31:38PM +0000, Soft Works wrote: > > > > > > > -----Original Message----- > > > From: ffmpeg-devel On Behalf Of Soft > Works > > > Sent: Sunday, December 19, 2021 7:23 PM > > > To: FFmpeg development discussions and patches > > > Subject: Re: [FFmpeg-devel] Politics > > > > > > > > > > > > > -----Original Message----- > > > > From: ffmpeg-devel On Behalf Of > Michael > > > > Niedermayer > > > > Sent: Sunday, December 19, 2021 4:16 PM > > > > To: FFmpeg development discussions and patches devel@ffmpeg.org> > > > > Subject: Re: [FFmpeg-devel] Politics > > > > > > > > On Sat, Dec 1 > > 8, 2021 at 08:41:09PM +0000, Soft Works wrote: > > > > > I don't think that a camera exists that has a framerate high enough so > that > > > you could produce videos at both framerates just from picking original > > > frames. > > > > I forgot to mention that I mean a high speed camera which can work at such > an > > odd rate (least common multiple..) > > for sake of this argument being complete, teh video is computer generated > so sampling at any time instance is possible and exact. Is that so? First of all, we need to decide about what kind of computer generation we are talking exactly? Is it generating a point-in-time picture for each frame start time? Assuming generated video of a situation where visual events that would start at 10ms, disappear after a duration of 20ms and repeat that every 40ms. These things would never be visible in the EU video, but in the US video. You mentioned "sampling", so I guess you mean that each frame would represent the appearance averaged over the frame duration, right? Of course that's a much more correct way to reflect reality. Enlightened by this, let's go back to to your example. The EU frame has a duration of 40ms, the US frame 33.3ms. The US frame start 0.02ms later and is fully included in the duration of the EU frame. If the US-to-EU conversion (or other direction) has been done in a natural way without human intervention and explicit cutting, then the example is busted once another time. Want I can't precisely answer (but wondering) , is whether it would even pe possible to have single audio stream in the same container that could work with both video..? Thanks, softworkz _______________________________________________ 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".