1 files changed, 19 insertions, 14 deletions
diff --git a/gr-blocks/lib/interleave_impl.cc b/gr-blocks/lib/interleave_impl.cc
index 22d6488f7a..5584eec601 100644
--- a/gr-blocks/lib/interleave_impl.cc
+++ b/gr-blocks/lib/interleave_impl.cc
@@ -1,6 +1,6 @@
 /* -*- c++ -*- */
 /*
- * Copyright 2012 Free Software Foundation, Inc.
+ * Copyright 2012,2014 Free Software Foundation, Inc.
  *
  * This file is part of GNU Radio
  *
@@ -29,17 +29,21 @@
 
 namespace gr {
   namespace blocks {
-    
-    interleave::sptr interleave::make(size_t itemsize, unsigned int blocksize)
+
+    interleave::sptr interleave::make(size_t itemsize, unsigned int blocksize,
+                                      bool set_rel_rate)
     {
-      return gnuradio::get_initial_sptr(new interleave_impl(itemsize, blocksize));
+      return gnuradio::get_initial_sptr
+        (new interleave_impl(itemsize, blocksize, set_rel_rate));
     }
-    
-    interleave_impl::interleave_impl(size_t itemsize, unsigned int blocksize)
+
+    interleave_impl::interleave_impl(size_t itemsize, unsigned int blocksize,
+                                     bool set_rel_rate)
       : block("interleave",
               io_signature::make (1, io_signature::IO_INFINITE, itemsize),
               io_signature::make (1, 1, itemsize)),
-        d_itemsize(itemsize), d_blocksize(blocksize)
+        d_itemsize(itemsize), d_blocksize(blocksize),
+        d_set_rel_rate(set_rel_rate)
     {
       set_fixed_rate(true);
       set_output_multiple(d_blocksize);
@@ -48,13 +52,14 @@ namespace gr {
     bool
     interleave_impl::check_topology(int ninputs, int noutputs)
     {
-      set_relative_rate((double)ninputs);
+      if(d_set_rel_rate)
+        set_relative_rate(static_cast<double>(ninputs));
       d_ninputs = ninputs;
       set_output_multiple(d_blocksize * d_ninputs);
       return true;
     }
-    
-    
+
+
     int
     interleave_impl::fixed_rate_ninput_to_noutput(int ninput)
     {
@@ -66,7 +71,7 @@ namespace gr {
     {
       return (int) ((noutput / d_ninputs) + .5);
     }
-    
+
     void
     interleave_impl::forecast(int noutput_items,
                               gr_vector_int& ninput_items_required)
@@ -85,7 +90,7 @@ namespace gr {
       size_t noutput_blocks = (size_t) ((noutput_items/d_blocksize) + .5);
       const char **in = (const char**)&input_items[0];
       char *out = (char*)output_items[0];
-      
+
       for (unsigned int i = 0; i < noutput_blocks; i += d_ninputs) {
         for (unsigned int n = 0; n < d_ninputs; n++){
           memcpy(out, in[n], d_itemsize * d_blocksize);
@@ -98,7 +103,7 @@ namespace gr {
     }
 
 
-      
-    
+
+
   } /* namespace blocks */
 } /* namespace gr */