Hi Nikhil,
I suggest you use an in memory circular buffer. This will allow you to be
reading and writing at the same time. If you don't know what a circular
buffer is look it up in a software data algorithms book.
Regards,
On 23/01/07, Nikhil Bhatla <[EMAIL PROTECTED]> wrote:
>
> > generally vfs is not too happy to do that. filestreaming can do
> > that, though. perhaps consider using that?
>
> Hmm, I looked at the FileStream docs and it doesn't look like you can use
> them to read/write to expansion cards (e.g. the Treo 650's SD card). So
> when I download audio files I would be limited by the memory built into the
> Treo.
>
> Is there any other way to get non-exclusive write access to the SD card,
> even via unsupported ("secret") calls?
>
> One alternative that would accomplish my goal of simultaneous file
> download and playback would be an algorithm something like this:
>
> 1) Start download of file A
> 2) When enough of A has been buffered for stutter-free playback
> a) Copy A to file B
> b) Start playing B
> c) When playback of B finishes and it isn't the end of the song
> i) Copy portion of A that isn't in B to B'
> ii) Start playing B'
> iii) Goto (c)
>
> This approach seems unnecessarily complex, and it could result in playback
> gaps (audio skips). It may also have poor performance due to lots of file
> copying.
>
> This is all I've come up with so far, so I guess I'll have to think about
> it some more.
>
> - nikhil
> --
> For information on using the PalmSource Developer Forums, or to
> unsubscribe, please see http://www.palmos.com/dev/support/forums/
>
--
For information on using the PalmSource Developer Forums, or to unsubscribe,
please see http://www.palmos.com/dev/support/forums/
