Add capability for floating point Kaiser window filters
Change-Id: Idbb33248bbab2300c2650a4657d8fbc482a5d46c
Signed-off-by: Andy Hung <hunga@google.com>
diff --git a/services/audioflinger/AudioResamplerFirGen.h b/services/audioflinger/AudioResamplerFirGen.h
index fac3001..8833758 100644
--- a/services/audioflinger/AudioResamplerFirGen.h
+++ b/services/audioflinger/AudioResamplerFirGen.h
@@ -669,11 +669,12 @@
sg.advance();
}
- // (caution!) float version does not need rounding
if (is_same<T, int16_t>::value) { // int16_t needs noise shaping
*coef++ = static_cast<T>(toint(y, 1ULL<<(sizeof(T)*8-1), err));
- } else {
+ } else if (is_same<T, int32_t>::value) {
*coef++ = static_cast<T>(toint(y, 1ULL<<(sizeof(T)*8-1)));
+ } else { // assumed float or double
+ *coef++ = static_cast<T>(y);
}
}
}