Resampler code pulled back in from bqresample, with safer api

src/StretcherProcess.cpp

@@ -217,8 +217,9 @@ RubberBandStretcher::Impl::consumeChannel(size_t c,
             input = inputs[c] + offset;
         }
 
-        toWrite = cd.resampler->resample(&input,
-                                         &cd.resamplebuf,
+        toWrite = cd.resampler->resample(&cd.resamplebuf,
+                                         cd.resamplebufSize,
+                                         &input,
                                          samples,
                                          1.0 / m_pitchScale,
                                          final);
@@ -1090,8 +1091,9 @@ RubberBandStretcher::Impl::writeChunk(size_t channel, size_t shiftIncrement, boo
 #endif
 #endif
 
-        size_t outframes = cd.resampler->resample(&cd.accumulator,
-                                                  &cd.resamplebuf,
+        size_t outframes = cd.resampler->resample(&cd.resamplebuf,
+                                                  cd.resamplebufSize,
+                                                  &cd.accumulator,
                                                   si,
                                                   1.0 / m_pitchScale,
                                                   last);