[Speex-dev] Re: compatibility issues.

alex at gorex.com.hk alex at gorex.com.hk
Thu May 24 20:30:53 PDT 2007

  I am also working on VOIP application.
Now the speexenc.exe is used to encode a wav/raw file.  However, in real time
voice communication, the voice keep recording from the microphone and how can
we employ speex to compress the voice and send over the network?

Quoting Greg <caroundw5h at yahoo.com>:

> okay that questioned is answered, thank you.
> I am interested in using speex in a VOIP application. do i need to put it in
> into
> the ogg contianer format in order to encode/decode and send it? or will it
> work
> "as is"? if the latter then:
>  "the packet is larger than the allocated buffer" message: whats your
> recomendaton for fixing that? i was thinking simply getting the size of the
> frame
> and using the speex_bits_init_buffer() function to create a bigger buffer.
> However i
> want to keep latency in mind and make them as small as possible.
> i apologise if the questions seem simple but i've working at this for sevreal
> days
> and i'm a little stump. a indication in the right direction would be helpful.
> thank you in advance,
> greg
> Jean-Marc Valin <jean-marc.valin at usherbrooke.ca> wrote: > does this have
> anything to do with the message on the example code:
> > "the packing used is not compatible with speexenc/speexdec" i know it
> > may sound stupid but it is my first time using speex lib. as well i
> > had assumed this was so and tweaked the decoder code to decode the
> > same file that the example encode code made, but i get a "packet is
> > larger than allocated buffer could not resize buffer, truncating
> > input" message.
> Well, the note says it all. It's just not compatible. speexenc/dec pack
> Speex data into an Ogg container, while the sampleenc/dec code just
> creates an incompatible ad-hoc format just to demonstrate how to use
> Speex (without bothering with the heavy Ogg code).
>  Jean-Marc
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