Date: Tue, 7 Jan 2003 08:55:26 +0100 From: Andre Albsmeier <andre.albsmeier@siemens.com> To: "Steve O'Hara-Smith" <steve@sohara.org> Cc: Andre Albsmeier <andre.albsmeier@siemens.com>, freebsd-multimedia@FreeBSD.ORG Subject: Re: FreeBSD 4.7R: no sound when recording with ffmpeg? Message-ID: <20030107085526.A14263@curry.mchp.siemens.de> In-Reply-To: <20030106215821.60130d42.steve@sohara.org>; from steve@sohara.org on Mon, Jan 06, 2003 at 09:58:21PM %2B0100 References: <20021028202230.1283e8cd.steve@sohara.org> <Pine.BSF.4.21.0210292118440.11617-100000@brain.stagecraft.cx> <20021029194220.7fb532ad.steve@sohara.org> <20030106115851.A12349@curry.mchp.siemens.de> <20030106215821.60130d42.steve@sohara.org>
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On Mon, 06-Jan-2003 at 21:58:21 +0100, Steve O'Hara-Smith wrote: > On Mon, 6 Jan 2003 11:58:51 +0100 > Andre Albsmeier <andre.albsmeier@siemens.com> wrote: > > AA> for capturing. I also see the problem of the audio being a bit out > AA> of sync. However, since I re-encode the whole thing using virtualdub > AA> (shame on me :-)) I simply set the frame rate to 25.045 and all is > > I have a few questions - How did you come up with this figure ? Try and error :-) I noticed that the offset becomes bigger while the movie plays. > What are you playing back with ? What happens if you play back with I use MPlayer 0.90rc2-2.95.4 > something else ? Haven't tried yet. However, if you like me to test it I can try it on some Windoze machine at work. > > AA> I am using the modified grab_bsdbktr.c from your site: > AA> > AA> -rw-r--r-- 1 root wheel - 6139 Nov 29 18:58 grab_bsdbktr.c > > There's a better one up there (since Nov 16 - size is 5896) that has a > timer fallback to catch missing interrupts as well as the handling for > processing overruns - in theory it should keep perfect sync under almost > any conditions (it does for me). Well, I assume the difference are the trailing ^M's when fetched here at work using the proxy: andre@bali:~>ll 2home/grab_bsdbktr.c grab_bsdbktr.c -rw-rw---- 1 andre andre - 5896 Nov 16 19:24 2home/grab_bsdbktr.c -rw-rw---- 1 andre andre - 6139 Jan 7 08:44 grab_bsdbktr.c andre@bali:~>diff -w 2home/grab_bsdbktr.c grab_bsdbktr.c andre@bali:~> So I think I already use the most recent one. Just tried it again: When doing a fetch (via some proxies) here at work, I get this one: -rw------- 1 andre wheel - 6139 Nov 16 19:24 grab_bsdbktr.c When I do a ftp (or a fetch without proxies) I get this one: -rw-rw---- 1 andre andre - 5896 Nov 16 19:24 grab_bsdbktr.c However, apart from the ^M issue they are the same. Thanks, -Andre To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-multimedia" in the body of the message
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