[Speex-dev] Multiple Frames per Packet

Jean-Marc Valin Jean-Marc.Valin
Thu Jul 29 22:48:16 PDT 2004


<1091134545.3473AA89 at s29.dngr.org>
Message-ID: <1091166496.3071.6.camel at localhost>

On jeu, 2004-07-29 at 14:55 -0600, David Barrett wrote:
> Aha.  Thanks.  I don't seem to have speex_bits_insert_terminator(&bits);
> in my installed version (1.0.4), but I was able to use
> speex_bits_remaining(&bits).  However, speex_bits_remaining(&bits)
> doesn't return 0 -- it returns -1 when it's empty.

Are you sure you're using 1.0.4 (with the right includes), because
speex_bits_insert_terminator() should be there and speex_bits_write()
should antomatically insert the terminator anyway.

Jean-Marc

> Odd, eh?  But it works.  Thanks!
>
> -david
>
> On Thu, 29 Jul 2004 2:37pm, Tom Grandgent wrote:
> > David,
> >
> > Here's the trick ... do this just before your speex_bits_write():
> >
> > speex_bits_insert_terminator(&bits);
> >
> > Then, when decoding, keep calling speex_decode() until it returns -1
> > or speex_bits_remaining(&bits) returns 0.
> >
> > Works for me, anyway.
> >
> > Tom
> >
> > David Barrett (dbarrett at quinthar.com) wrote:
> >>
> >>  Hi, I'm using Speex and I want to pack multiple frames into a single
> >>  packet.  The manual (section 4.5) says to call "speex_encode()"
> >>  multiple times before calling "speex_bits_write()", and then call
> >>  "speex_decode()" until it returns -1.  However, when I try that
> >>  "speex_decode()" never returns -1, and it enters an infinite loop.
> >>
> >>  I'm using 1.0.4.
> >>
> >>  Any suggestions?  Surely this isn't a new question.  (Incidentally,
> >>  the Xiph.org archives of this mailing list appear to be offline.
> >>  Where are they now, or when will they come back online?)
> >>
> >>  I've included some clips from my code below:
> >>
> >>  -david
> >>
> >>  ...
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>
--
Jean-Marc Valin <Jean-Marc.Valin at USherbrooke.ca>
Universit? de Sherbrooke



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