comparison dsp/rateconversion/Decimator.cpp @ 163:4f092806782b

Fix incorrect handling of decimation factor 1; documentation

 
 }
 
 void Decimator::process(const double *src, double *dst)
 {
-    if( m_decFactor != 1 )
-    {
-	doAntiAlias( src, decBuffer, m_inputLength );
-    }
+    if (m_decFactor == 1) {
+        for( unsigned int i = 0; i < m_outputLength; i++ ) {
+            dst[i] = src[i];
+        }
+        return;
+    }
+        
+    doAntiAlias( src, decBuffer, m_inputLength );
+
     unsigned idx = 0;
 
     for( unsigned int i = 0; i < m_outputLength; i++ )
     {
 	dst[ idx++ ] = decBuffer[ m_decFactor * i ];
     }
 }
 
 void Decimator::process(const float *src, float *dst)
 {
-    if( m_decFactor != 1 )
-    {
-	doAntiAlias( src, decBuffer, m_inputLength );
-    }
+    if (m_decFactor == 1) {
+        for( unsigned int i = 0; i < m_outputLength; i++ ) {
+            dst[i] = src[i];
+        }
+        return;
+    }
+
+    doAntiAlias( src, decBuffer, m_inputLength );
+
     unsigned idx = 0;
 
     for( unsigned int i = 0; i < m_outputLength; i++ )
     {
 	dst[ idx++ ] = decBuffer[ m_decFactor * i ];