[vorbis-dev] Couple more problems (ov_open_callbacks)

[Lance]

Mine (using open_callbacks) didn't work until I disabled seeking by 
returning (i think) -1 on a call to my seek function.

Brian Hook wrote:

> I'm in the final throes of debugging (hopefully) and the last thing I'm
> trying to do is figure out why I'm getting static instead of usable
> data.  I have a verified Ogg file (it plays fine in WMA); I've visibly
> inspected the info struct and it matches my output format; I've verified
> my audio playback code by using a generated sine wave (sounds correct).
> 
> So that leads to a problem with how I'm using ov_read().  I've modeled
> my code around the sample code, and I check my error returns fairly
> religiously.  The only weird thing I'm doing is using
> ov_open_callbacks().  My callback routines simply read data out of an
> in-memory bit bucket, so there's not much code there, e.g. my read
> function is basically:
> 
> memcpy(pDst, myStreamPtr, bytes );
> myStreamPtr += bytes;
> 
> ...etc. etc.  I didn't bother implementing a close function (I just
> stubbed it out).
> 
> Looking at my read callback, I always seem to get requests for one
> object of varying size.  I've modeled my callbacks on the stream IO CRTL
> stuff (fseek/fread/ftell/fclose), including parameters and return
> values.  I assume this is correct?
> 
> Any other obvious problems I should look for?  Barring any epiphanies, I
> may end up having to implement a test version using ov_open to see if
> it's my callbacks (which I suspect).
> 
> Thanks,
> 
> Brian
> 
> 
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