[Vorbis] libvorbis help

Thomas Luce thomas.luce at gmail.com
Fri Feb 9 10:40:49 PST 2007


Wow. Thanks for the fast reply. :)

I'll try that method, and see how it goes. I'll let the list know if I
need more help

Thanks again!
-T


On 2/9/07, Ralph Giles <giles at xiph.org> wrote:
> On Fri, Feb 09, 2007 at 11:20:19AM -0700, Thomas Luce wrote:
>
> > I am trying to take a buffer of PCM audio data, and encode it into a
> > vorbis stream without blocking. In other words, the sound data is
> > generated dynamically and continuously by my program, and it needs to
> > convert this data into an ogg file without disrupting the program.
>
> This takes a couple of pages of code, but is straightforward. I'd
> suggest reading through encoder_example.c, which is included in the
> examples directory of the libvorbis source.
>
>   http://svn.xiph.org/trunk/vorbis/examples/encoder_example.c
>
> You do have to block the data to submit it to the encoder, but that just
> means waiting until you've filled a buffer and then calling into the
> encoder to compress it. Once you've done that and processed any output,
> you can return to your generation loop.
>
> If the encoding delay interferes with another part of your program,
> you'll have to do the vorbisenc calls from a separate thread, but try
> the naive approach first and see if it works.
>
> Let us know if you have any more questions,
>  -r
>


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