Re: [mpg123-devel] Monitor and cancel stream scanning

[Olivier G. <li...@sa...>]

On 09/09/2010 03:02 PM, Thomas Orgis wrote:
> Am Thu, 09 Sep 2010 13:10:27 +0200
> schrieb Olivier Guilyardi <li...@sa...>: 
> 
>> Therefore, I need a way 1. to monitor the scanning progress, 2. to cancel it if
>> needed. And AFAICS, mpg123_scan() doesn't allow this, it will block until it's
>> done, and there's no way to display some progress status.
> 
> As you already noted, scanning happens implicitly when decoding or seeking (when fuzzy seek is not enabled). So, why not just do something along a loop over mpg123_seek(mh, 441000, SEEK_CUR), and detect the end (reached position does not increase anymore)?

That's perfect indeed.

I have another question: if I want to cache/restore the result of scanning, are
mpg123_index() and mpg123_set_index() sufficient? I'm unsure about this after
having looked at the SEEK_END case in mpg123_seek() definition.

Thanks

--
  Olivier