From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paul Garlick Subject: Re: Video narration Date: Mon, 22 Apr 2019 23:29:12 +0100 Message-ID: <5252fbaf01267a3e619156aa845d128bbfd6ef45.camel@tourbillion-technology.com> References: <660de50483d54150fa1ca67ebd0cae886d0ffcbe.camel@tourbillion-technology.com> <52a3d40df1ee349f48e7ecd79756e9307cbae034.camel@tourbillion-technology.com> <5893d6b8dc2dd4ed1cdcab3e109ce655d82bc493.camel@tourbillion-technology.com> <6f60665f899c24133818106831f378f087b9d405.camel@tourbillion-technology.com> <808a07682b858d44b1e48c69fd98fcb770837789.camel@tourbillion-technology.com> <0f4db135b01c57d8ab2fbf6721587664507dcefc.camel@tourbillion-technology.com> <3f393bb53fa8d04c0e9ae33df1eeadaf864940d5.camel@tourbillion-technology.com> <3ce59ef3d1e63fbc743ae0b71f317ef5916e0ccf.camel@tourbillion-technology.com> <87ef6g1e4k.fsf@elephly.net> <0b31a2364a97f26bbea1fed9e3390a2a526d6c77.camel@tourbillion-technology.com> <30bca313b07d1dc65c73d2e2c4d0e8907144081d.camel@tourbillion-technology.com> <4945ad6d7434cba7dc65e33ef97a4185a4e4a266.camel@tourbillion-technology.com> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Return-path: Received: from eggs.gnu.org ([209.51.188.92]:33153) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hIhR8-0000Gk-23 for guix-devel@gnu.org; Mon, 22 Apr 2019 18:29:18 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hIhR7-0005QU-66 for guix-devel@gnu.org; Mon, 22 Apr 2019 18:29:18 -0400 In-Reply-To: List-Id: "Development of GNU Guix and the GNU System distribution." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: guix-devel-bounces+gcggd-guix-devel=m.gmane.org@gnu.org Sender: "Guix-devel" To: Laura Lazzati Cc: Guix-devel Hi Laura, > I deleted all the videos and made them again > and now I don't see that issue anymore. Ah, good news! > For this, what I could do is generate the cli sesison video with the > "silence1.mp3" to have duration1, and then compare it with the > duration of cli1.mp3 (for instance). Then, run a script comparing > the durations while duration2 < duration1 append silence1.mp3 to > cli1.mp3. And finally use the generated cli1.mp3 as the input > matching the video stream. > I find a little bit manual, but I don't mind doing it if you find it > OK. > WDYT? We may have to experiment a little to solve the question of combining the cli and nocli videos in a manner than can be replayed by Firefox/Icecat. One test I can try tomorrow is to concatenate the nocli videos on their own. Will the combined video play in Firefox? If so, it would suggest that the mismatch of the audio and video stream durations is the cause of the stoppage. There is a way to concatenate audio files with ffmpeg. So if we know we need an extra seconds of silence, say, we can generate the file with the command I previously posted and join the silence to the end of the narration. This would be a script-free alternative method. Best regards, Paul.