[Bug 14717] resampled sound is horrible

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=14717

Alexander E. Patrakov <patrakov at gmail.com> changed:

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--- Comment #270 from Alexander E. Patrakov <patrakov at gmail.com> 2012-01-06 05:09:09 CST ---
Created attachment 38279
  --> http://bugs.winehq.org/attachment.cgi?id=38279
Optimized version of my patch

In the meantime, I have optimized my non-speex-based resampler patchset. So
now, it has the quality of Windows XP resampler at its default (best) settings,
and the CPU usage is comparable with the speex-based resampler. And no clicks
in foobar2000. And even some potential for further optimization if it is
allowed to obey the frequency ratio slightly inexactly (but this can lead to
"plays well for 20 minutes then rebuffers" regressions for various internet
radio programs).

As for the old clicks in the left channel, maybe they happen because the app
thinks that the safe-to-overwrite position is in fact where we are collecting
input samples. Just a guess, though, this may or may not be right.

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