From: Peter Toneby <woormie@acc.umu.se>
To: blinux-list@redhat.com
Subject: Re: Digital Talking Book Standard
Date: Mon, 19 Nov 2001 17:43:22 +0100 [thread overview]
Message-ID: <20011119174322.D29158@stalin.acc.umu.se> (raw)
In-Reply-To: <Pine.LNX.4.33.0111191132010.13594-100000@xanadu.home>; from nico@cam.org on Mon, Nov 19, 2001 at 11:35:59AM -0500
On Mon, Nov 19, 2001 at 11:35:59AM -0500, Nicolas Pitre wrote:
> On Mon, 19 Nov 2001, Peter Toneby wrote:
>
> > On Mon, Nov 19, 2001 at 11:14:39AM -0500, Janina Sajka wrote:
> > > What about freeamp?
> >
> > It does not support searches on timecode (at least I didn't see anything
> > about that while checking their pages, they only seem to have normal
> > seek in files, which is not enough).
>
> Well... It is enough with some extra processing. You need to find out the
> data bitrate, estimate the seek position in the audio file, resynchronize on
> a mpeg frame boundary, back a couple frames, compute the backed frames to
> restabilize the mpeg windowing factors without actually playing them then
> finally resume audio from the desired frame.
The problem is VBR, I'm not sure how it works, but I suspect each frame
have it's own bitrate in that case, and if the stream use that, you need
to loop through all frames and calculate the current time :(, well, I'll
have a closer look at mad and see if I can do something for fixed
bitrates at least.
/Peter
--
Alpha Test Version: Too buggy to be released to the paying public.
Beta Test Version: Still too buggy to be released.
Release Version: Alternate pronunciation of "Beta Test Version".
next prev parent reply other threads:[~ UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
Martin G. McCormick
` Saqib Shaikh
` Peter Toneby
` Janina Sajka
` Peter Toneby
` Nicolas Pitre
` Peter Toneby [this message]
` Lloyd G. Rasmussen
` Nicolas Pitre
` Nicolas Pitre
` Peter Toneby
` Janina Sajka
` Nicolas Pitre
` Janina Sajka
` Nicolas Pitre
` Brent Harding
` Nicolas Pitre
[not found] ` <Pine.LNX.4.33.0111191409370.3206-100000@toccata.grg.afb.ne t>
` Brent Harding
[not found] ` <Pine.LNX.4.33.0111191147560.2815-100000@toccata.grg.afb.ne t>
` Brent Harding
` Nicolas Pitre
` Joel Zimba
` Brent Harding
` Brent Harding
` Nicolas Pitre
` philwh
` Janina Sajka
` Brent Harding
` Buddy Brannan
` Brent Harding
[not found] ` <Pine.LNX.4.33.0111191114500.2815-100000@toccata.grg.afb.ne t>
` Brent Harding
` Luke Davis
` cbowman
` ssh A. R. Vener
` ssh cbowman
` ssh Luke Davis
` ssh Andor Demarteau
` ssh Luke Davis
` ssh Fredrik Larsson
` ssh Luke Davis
` ssh Fredrik Larsson
` ssh cbowman
` ssh A. R. Vener
` ssh A. R. Vener
` ssh Luke Davis
` Digital Talking Book Standard Brent Harding
` cbowman
` Luke Davis
` cbowman
` Janina Sajka
` Pratik Patel
` Brent Harding
-- strict thread matches above, loose matches on Subject: below --
Janina Sajka
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