From 3410d289d1ed538b648b3f9d185cd52f257af2fa Mon Sep 17 00:00:00 2001
From: f4exb <f4exb06@gmail.com>
Date: Sat, 5 Nov 2016 21:52:13 +0100
Subject: [PATCH] Use even/odd FIR filter based half band decimators for the
 device decimators

---
 sdrbase/dsp/decimators.h | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/sdrbase/dsp/decimators.h b/sdrbase/dsp/decimators.h
index f1565c31f..c09c94210 100644
--- a/sdrbase/dsp/decimators.h
+++ b/sdrbase/dsp/decimators.h
@@ -18,7 +18,11 @@
 #define INCLUDE_GPL_DSP_DECIMATORS_H_
 
 #include "dsp/dsptypes.h"
+#ifdef USE_SIMD
+#include "dsp/inthalfbandfiltereo1.h"
+#else
 #include "dsp/inthalfbandfilterdb.h"
+#endif
 
 #define DECIMATORS_HB_FILTER_ORDER 48
 
@@ -120,12 +124,21 @@ public:
 	void decimate64_cen(SampleVector::iterator* it, const T* buf, qint32 len);
 
 private:
+#ifdef USE_SIMD
+    IntHalfbandFilterEO1<DECIMATORS_HB_FILTER_ORDER> m_decimator2;  // 1st stages
+    IntHalfbandFilterEO1<DECIMATORS_HB_FILTER_ORDER> m_decimator4;  // 2nd stages
+    IntHalfbandFilterEO1<DECIMATORS_HB_FILTER_ORDER> m_decimator8;  // 3rd stages
+    IntHalfbandFilterEO1<DECIMATORS_HB_FILTER_ORDER> m_decimator16; // 4th stages
+    IntHalfbandFilterEO1<DECIMATORS_HB_FILTER_ORDER> m_decimator32; // 5th stages
+    IntHalfbandFilterEO1<DECIMATORS_HB_FILTER_ORDER> m_decimator64; // 6th stages
+#else
 	IntHalfbandFilterDB<DECIMATORS_HB_FILTER_ORDER> m_decimator2;  // 1st stages
 	IntHalfbandFilterDB<DECIMATORS_HB_FILTER_ORDER> m_decimator4;  // 2nd stages
 	IntHalfbandFilterDB<DECIMATORS_HB_FILTER_ORDER> m_decimator8;  // 3rd stages
 	IntHalfbandFilterDB<DECIMATORS_HB_FILTER_ORDER> m_decimator16; // 4th stages
 	IntHalfbandFilterDB<DECIMATORS_HB_FILTER_ORDER> m_decimator32; // 5th stages
 	IntHalfbandFilterDB<DECIMATORS_HB_FILTER_ORDER> m_decimator64; // 6th stages
+#endif
 };
 
 template<typename T, uint SdrBits, uint InputBits>