[Speex-dev] Readding Zlast info to the preprocessor

[Thorvald Natvig]

This small patch will make st->Zlast = Zframe, to allow applications 
access to an estimate of the signal-to-noise level. This used to be in 
there earlier, but was removed when Zlast was no longer used to compute 
Pframe.

-------------- next part --------------
Index: preprocess.c

===================================================================

--- preprocess.c	(revision 10007)

+++ preprocess.c	(working copy)

@@ -761,7 +761,8 @@

       }
       Zframe /= (freq_end-freq_start);
    }
-
+   st->Zlast = Zframe;
+   
    Pframe = qcurve(Zframe);
 
    /*fprintf (stderr, "%f\n", Pframe);*/