Date: Mon, 6 Jan 2003 21:58:21 +0100 From: Steve O'Hara-Smith <steve@sohara.org> To: Andre Albsmeier <andre.albsmeier@siemens.com> Cc: freebsd-multimedia@FreeBSD.ORG Subject: Re: FreeBSD 4.7R: no sound when recording with ffmpeg? Message-ID: <20030106215821.60130d42.steve@sohara.org> In-Reply-To: <20030106115851.A12349@curry.mchp.siemens.de> 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>
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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 ?
What are you playing back with ? What happens if you play back with
something else ?
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).
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