14 files changed, 255 insertions, 147 deletions
diff --git a/gr-blocks/python/CMakeLists.txt b/gr-blocks/python/CMakeLists.txt
index cab0b956f7..841588799b 100644
--- a/gr-blocks/python/CMakeLists.txt
+++ b/gr-blocks/python/CMakeLists.txt
@@ -24,6 +24,7 @@ GR_PYTHON_INSTALL(
     FILES
     __init__.py
     parse_file_metadata.py
+    stream_to_vector_decimator.py
     DESTINATION ${GR_PYTHON_DIR}/gnuradio/blocks
     COMPONENT "blocks_python"
 )
diff --git a/gr-blocks/python/__init__.py b/gr-blocks/python/__init__.py
index 6577d933e0..56d274918c 100644
--- a/gr-blocks/python/__init__.py
+++ b/gr-blocks/python/__init__.py
@@ -25,8 +25,9 @@ processing blocks common to many flowgraphs.
 '''
 
 from blocks_swig import *
+from stream_to_vector_decimator import *
 
-#alias old gr_add_vXX and gr_multiply_vXX
+#alias old add_vXX and multiply_vXX
 add_vcc = add_cc
 add_vff = add_ff
 add_vii = add_ii
diff --git a/gr-blocks/python/parse_file_metadata.py b/gr-blocks/python/parse_file_metadata.py
index c8ac2def94..eaa8025bbf 100644
--- a/gr-blocks/python/parse_file_metadata.py
+++ b/gr-blocks/python/parse_file_metadata.py
@@ -66,14 +66,14 @@ def parse_header(p, VERBOSE=False):
 
     info = dict()
 
-    if(pmt.pmt_is_dict(p) is False):
+    if(pmt.is_dict(p) is False):
         sys.stderr.write("Header is not a PMT dictionary: invalid or corrupt data file.\n")
         sys.exit(1)
 
     # GET FILE FORMAT VERSION NUMBER
-    if(pmt.pmt_dict_has_key(p, pmt.pmt_string_to_symbol("version"))):
-        r = pmt.pmt_dict_ref(p, pmt.pmt_string_to_symbol("version"), dump)
-        version = pmt.pmt_to_long(r)
+    if(pmt.dict_has_key(p, pmt.string_to_symbol("version"))):
+        r = pmt.dict_ref(p, pmt.string_to_symbol("version"), dump)
+        version = pmt.to_long(r)
         if(VERBOSE):
             print "Version Number: {0}".format(version)
     else:
@@ -81,9 +81,9 @@ def parse_header(p, VERBOSE=False):
         sys.exit(1)
 
     # EXTRACT SAMPLE RATE
-    if(pmt.pmt_dict_has_key(p, pmt.pmt_string_to_symbol("rx_rate"))):
-        r = pmt.pmt_dict_ref(p, pmt.pmt_string_to_symbol("rx_rate"), dump)
-        samp_rate = pmt.pmt_to_double(r)
+    if(pmt.dict_has_key(p, pmt.string_to_symbol("rx_rate"))):
+        r = pmt.dict_ref(p, pmt.string_to_symbol("rx_rate"), dump)
+        samp_rate = pmt.to_double(r)
         info["rx_rate"] = samp_rate
         if(VERBOSE):
             print "Sample Rate: {0:.2f} sps".format(samp_rate)
@@ -92,12 +92,12 @@ def parse_header(p, VERBOSE=False):
         sys.exit(1)
 
     # EXTRACT TIME STAMP
-    if(pmt.pmt_dict_has_key(p, pmt.pmt_string_to_symbol("rx_time"))):
-        r = pmt.pmt_dict_ref(p, pmt.pmt_string_to_symbol("rx_time"), dump)
-        pmt_secs = pmt.pmt_tuple_ref(r, 0)
-        pmt_fracs = pmt.pmt_tuple_ref(r, 1)
-        secs = float(pmt.pmt_to_uint64(pmt_secs))
-        fracs = pmt.pmt_to_double(pmt_fracs)
+    if(pmt.dict_has_key(p, pmt.string_to_symbol("rx_time"))):
+        r = pmt.dict_ref(p, pmt.string_to_symbol("rx_time"), dump)
+        secs = pmt.tuple_ref(r, 0)
+        fracs = pmt.tuple_ref(r, 1)
+        secs = float(pmt.to_uint64(secs))
+        fracs = pmt.to_double(fracs)
         t = secs + fracs
         info["rx_time"] = t
         if(VERBOSE):
@@ -107,9 +107,9 @@ def parse_header(p, VERBOSE=False):
         sys.exit(1)
 
     # EXTRACT ITEM SIZE
-    if(pmt.pmt_dict_has_key(p, pmt.pmt_string_to_symbol("size"))):
-        r = pmt.pmt_dict_ref(p, pmt.pmt_string_to_symbol("size"), dump)
-        dsize = pmt.pmt_to_long(r)
+    if(pmt.dict_has_key(p, pmt.string_to_symbol("size"))):
+        r = pmt.dict_ref(p, pmt.string_to_symbol("size"), dump)
+        dsize = pmt.to_long(r)
         info["size"] = dsize
         if(VERBOSE):
             print "Item size: {0}".format(dsize)
@@ -118,9 +118,9 @@ def parse_header(p, VERBOSE=False):
         sys.exit(1)
 
     # EXTRACT DATA TYPE
-    if(pmt.pmt_dict_has_key(p, pmt.pmt_string_to_symbol("type"))):
-        r = pmt.pmt_dict_ref(p, pmt.pmt_string_to_symbol("type"), dump)
-        dtype = pmt.pmt_to_long(r)
+    if(pmt.dict_has_key(p, pmt.string_to_symbol("type"))):
+        r = pmt.dict_ref(p, pmt.string_to_symbol("type"), dump)
+        dtype = pmt.to_long(r)
         stype = ftype_to_string[dtype]
         info["type"] = stype
         if(VERBOSE):
@@ -130,9 +130,9 @@ def parse_header(p, VERBOSE=False):
         sys.exit(1)
 
     # EXTRACT COMPLEX
-    if(pmt.pmt_dict_has_key(p, pmt.pmt_string_to_symbol("cplx"))):
-        r = pmt.pmt_dict_ref(p, pmt.pmt_string_to_symbol("cplx"), dump)
-        cplx = pmt.pmt_to_bool(r)
+    if(pmt.dict_has_key(p, pmt.string_to_symbol("cplx"))):
+        r = pmt.dict_ref(p, pmt.string_to_symbol("cplx"), dump)
+        cplx = pmt.to_bool(r)
         info["cplx"] = cplx
         if(VERBOSE):
             print "Complex? {0}".format(cplx)
@@ -141,9 +141,9 @@ def parse_header(p, VERBOSE=False):
         sys.exit(1)
 
     # EXTRACT WHERE CURRENT SEGMENT STARTS
-    if(pmt.pmt_dict_has_key(p, pmt.pmt_string_to_symbol("strt"))):
-        r = pmt.pmt_dict_ref(p, pmt.pmt_string_to_symbol("strt"), dump)
-        seg_start = pmt.pmt_to_uint64(r)
+    if(pmt.dict_has_key(p, pmt.string_to_symbol("strt"))):
+        r = pmt.dict_ref(p, pmt.string_to_symbol("strt"), dump)
+        seg_start = pmt.to_uint64(r)
         info["hdr_len"] = seg_start
         info["extra_len"] = seg_start - HEADER_LENGTH
         info["has_extra"] = info["extra_len"] > 0
@@ -156,9 +156,9 @@ def parse_header(p, VERBOSE=False):
         sys.exit(1)
 
     # EXTRACT SIZE OF DATA
-    if(pmt.pmt_dict_has_key(p, pmt.pmt_string_to_symbol("bytes"))):
-        r = pmt.pmt_dict_ref(p, pmt.pmt_string_to_symbol("bytes"), dump)
-        nbytes = pmt.pmt_to_uint64(r)
+    if(pmt.dict_has_key(p, pmt.string_to_symbol("bytes"))):
+        r = pmt.dict_ref(p, pmt.string_to_symbol("bytes"), dump)
+        nbytes = pmt.to_uint64(r)
 
         nitems = nbytes/dsize
         info["nitems"] = nitems
@@ -175,19 +175,18 @@ def parse_header(p, VERBOSE=False):
 
 # IF THERE IS EXTRA DATA, PULL OUT THE DICTIONARY AND PARSE IT
 def parse_extra_dict(p, info, VERBOSE=False):
-    if(pmt.pmt_is_dict(p) is False):
+    if(pmt.is_dict(p) is False):
         sys.stderr.write("Extra header is not a PMT dictionary: invalid or corrupt data file.\n")
         sys.exit(1)
 
-    items = pmt.pmt_dict_items(p)
-    nitems = pmt.pmt_length(items)
+    items = pmt.dict_items(p)
+    nitems = pmt.length(items)
     for i in xrange(nitems):
-        item = pmt.pmt_nth(i, items)
-        key = pmt.pmt_symbol_to_string(pmt.pmt_car(item))
-        val = pmt.pmt_cdr(item)
+        item = pmt.nth(i, items)
+        key = pmt.symbol_to_string(pmt.car(item))
+        val = pmt.cdr(item)
         info[key] = val
         if(VERBOSE):
-            print "{0}: ".format(key)
-            pmt.pmt_print(val)
+            print "{0}: {1}".format(key, val)
 
     return info
diff --git a/gr-blocks/python/qa_add_mult_v.py b/gr-blocks/python/qa_add_mult_v.py
index d362cb8859..13cb71df2c 100755
--- a/gr-blocks/python/qa_add_mult_v.py
+++ b/gr-blocks/python/qa_add_mult_v.py
@@ -21,7 +21,7 @@
 #
 
 from gnuradio import gr, gr_unittest
-import blocks_swig
+import blocks_swig as blocks
 
 class test_add_mult_v(gr_unittest.TestCase):
 
@@ -34,10 +34,10 @@ class test_add_mult_v(gr_unittest.TestCase):
     def help_ss(self, size, src_data, exp_data, op):
         for s in zip(range (len (src_data)), src_data):
             src = gr.vector_source_s(s[1])
-	    srcv = gr.stream_to_vector(gr.sizeof_short, size)
+	    srcv = blocks.stream_to_vector(gr.sizeof_short, size)
 	    self.tb.connect(src, srcv)
             self.tb.connect(srcv, (op, s[0]))
-	rhs = gr.vector_to_stream(gr.sizeof_short, size)
+	rhs = blocks.vector_to_stream(gr.sizeof_short, size)
         dst = gr.vector_sink_s()
         self.tb.connect(op, rhs, dst)
         self.tb.run()
@@ -47,10 +47,10 @@ class test_add_mult_v(gr_unittest.TestCase):
     def help_ii(self, size, src_data, exp_data, op):
         for s in zip(range (len (src_data)), src_data):
             src = gr.vector_source_i(s[1])
-	    srcv = gr.stream_to_vector(gr.sizeof_int, size)
+	    srcv = blocks.stream_to_vector(gr.sizeof_int, size)
 	    self.tb.connect(src, srcv)
             self.tb.connect(srcv, (op, s[0]))
-	rhs = gr.vector_to_stream(gr.sizeof_int, size)
+	rhs = blocks.vector_to_stream(gr.sizeof_int, size)
         dst = gr.vector_sink_i()
         self.tb.connect(op, rhs, dst)
         self.tb.run()
@@ -60,10 +60,10 @@ class test_add_mult_v(gr_unittest.TestCase):
     def help_ff(self, size, src_data, exp_data, op):
         for s in zip(range (len (src_data)), src_data):
             src = gr.vector_source_f(s[1])
-	    srcv = gr.stream_to_vector(gr.sizeof_float, size)
+	    srcv = blocks.stream_to_vector(gr.sizeof_float, size)
 	    self.tb.connect(src, srcv)
             self.tb.connect(srcv, (op, s[0]))
-	rhs = gr.vector_to_stream(gr.sizeof_float, size)
+	rhs = blocks.vector_to_stream(gr.sizeof_float, size)
         dst = gr.vector_sink_f()
         self.tb.connect(op, rhs, dst)
         self.tb.run()
@@ -73,10 +73,10 @@ class test_add_mult_v(gr_unittest.TestCase):
     def help_cc(self, size, src_data, exp_data, op):
         for s in zip(range (len (src_data)), src_data):
             src = gr.vector_source_c(s[1])
-	    srcv = gr.stream_to_vector(gr.sizeof_gr_complex, size)
+	    srcv = blocks.stream_to_vector(gr.sizeof_gr_complex, size)
 	    self.tb.connect(src, srcv)
             self.tb.connect(srcv, (op, s[0]))
-	rhs = gr.vector_to_stream(gr.sizeof_gr_complex, size)
+	rhs = blocks.vector_to_stream(gr.sizeof_gr_complex, size)
         dst = gr.vector_sink_c()
         self.tb.connect(op, rhs, dst)
         self.tb.run()
@@ -85,8 +85,8 @@ class test_add_mult_v(gr_unittest.TestCase):
 
     def help_const_ss(self, src_data, exp_data, op):
 	src = gr.vector_source_s(src_data)
-	srcv = gr.stream_to_vector(gr.sizeof_short, len(src_data))
-	rhs = gr.vector_to_stream(gr.sizeof_short, len(src_data))
+	srcv = blocks.stream_to_vector(gr.sizeof_short, len(src_data))
+	rhs = blocks.vector_to_stream(gr.sizeof_short, len(src_data))
         dst = gr.vector_sink_s()
         self.tb.connect(src, srcv, op, rhs, dst)
         self.tb.run()
@@ -95,8 +95,8 @@ class test_add_mult_v(gr_unittest.TestCase):
 
     def help_const_ii(self, src_data, exp_data, op):
 	src = gr.vector_source_i(src_data)
-	srcv = gr.stream_to_vector(gr.sizeof_int, len(src_data))
-	rhs = gr.vector_to_stream(gr.sizeof_int, len(src_data))
+	srcv = blocks.stream_to_vector(gr.sizeof_int, len(src_data))
+	rhs = blocks.vector_to_stream(gr.sizeof_int, len(src_data))
         dst = gr.vector_sink_i()
         self.tb.connect(src, srcv, op, rhs, dst)
         self.tb.run()
@@ -105,8 +105,8 @@ class test_add_mult_v(gr_unittest.TestCase):
 
     def help_const_ff(self, src_data, exp_data, op):
 	src = gr.vector_source_f(src_data)
-	srcv = gr.stream_to_vector(gr.sizeof_float, len(src_data))
-	rhs = gr.vector_to_stream(gr.sizeof_float, len(src_data))
+	srcv = blocks.stream_to_vector(gr.sizeof_float, len(src_data))
+	rhs = blocks.vector_to_stream(gr.sizeof_float, len(src_data))
         dst = gr.vector_sink_f()
         self.tb.connect(src, srcv, op, rhs, dst)
         self.tb.run()
@@ -115,8 +115,8 @@ class test_add_mult_v(gr_unittest.TestCase):
 
     def help_const_cc(self, src_data, exp_data, op):
 	src = gr.vector_source_c(src_data)
-	srcv = gr.stream_to_vector(gr.sizeof_gr_complex, len(src_data))
-	rhs = gr.vector_to_stream(gr.sizeof_gr_complex, len(src_data))
+	srcv = blocks.stream_to_vector(gr.sizeof_gr_complex, len(src_data))
+	rhs = blocks.vector_to_stream(gr.sizeof_gr_complex, len(src_data))
         dst = gr.vector_sink_c()
         self.tb.connect(src, srcv, op, rhs, dst)
         self.tb.run()
@@ -130,7 +130,7 @@ class test_add_mult_v(gr_unittest.TestCase):
 	src2_data = (2,)
 	src3_data = (3,)
 	expected_result = (6,)
-	op = blocks_swig.add_ss(1)
+	op = blocks.add_ss(1)
 	self.help_ss(1, (src1_data, src2_data, src3_data), expected_result, op)
 
     def test_add_vss_five(self):
@@ -138,7 +138,7 @@ class test_add_mult_v(gr_unittest.TestCase):
 	src2_data = (6, 7, 8, 9, 10)
 	src3_data = (11, 12, 13, 14, 15)
 	expected_result = (18, 21, 24, 27, 30)
-	op = blocks_swig.add_ss(5)
+	op = blocks.add_ss(5)
 	self.help_ss(5, (src1_data, src2_data, src3_data), expected_result, op)
 
     def test_add_vii_one(self):
@@ -146,7 +146,7 @@ class test_add_mult_v(gr_unittest.TestCase):
 	src2_data = (2,)
 	src3_data = (3,)
 	expected_result = (6,)
-	op = blocks_swig.add_ii(1)
+	op = blocks.add_ii(1)
 	self.help_ii(1, (src1_data, src2_data, src3_data), expected_result, op)
 
     def test_add_vii_five(self):
@@ -154,7 +154,7 @@ class test_add_mult_v(gr_unittest.TestCase):
 	src2_data = (6, 7, 8, 9, 10)
 	src3_data = (11, 12, 13, 14, 15)
 	expected_result = (18, 21, 24, 27, 30)
-	op = blocks_swig.add_ii(5)
+	op = blocks.add_ii(5)
 	self.help_ii(5, (src1_data, src2_data, src3_data), expected_result, op)
 
     def test_add_vff_one(self):
@@ -162,7 +162,7 @@ class test_add_mult_v(gr_unittest.TestCase):
 	src2_data = (2.0,)
 	src3_data = (3.0,)
 	expected_result = (6.0,)
-	op = blocks_swig.add_ff(1)
+	op = blocks.add_ff(1)
 	self.help_ff(1, (src1_data, src2_data, src3_data), expected_result, op)
 
     def test_add_vff_five(self):
@@ -170,7 +170,7 @@ class test_add_mult_v(gr_unittest.TestCase):
 	src2_data = (6.0, 7.0, 8.0, 9.0, 10.0)
 	src3_data = (11.0, 12.0, 13.0, 14.0, 15.0)
 	expected_result = (18.0, 21.0, 24.0, 27.0, 30.0)
-	op = blocks_swig.add_ff(5)
+	op = blocks.add_ff(5)
 	self.help_ff(5, (src1_data, src2_data, src3_data), expected_result, op)
 
     def test_add_vcc_one(self):
@@ -178,7 +178,7 @@ class test_add_mult_v(gr_unittest.TestCase):
 	src2_data = (3.0+4.0j,)
 	src3_data = (5.0+6.0j,)
 	expected_result = (9.0+12j,)
-	op = blocks_swig.add_cc(1)
+	op = blocks.add_cc(1)
 	self.help_cc(1, (src1_data, src2_data, src3_data), expected_result, op)
 
     def test_add_vcc_five(self):
@@ -186,56 +186,56 @@ class test_add_mult_v(gr_unittest.TestCase):
 	src2_data = (11.0+12.0j, 13.0+14.0j, 15.0+16.0j, 17.0+18.0j, 19.0+20.0j)
 	src3_data = (21.0+22.0j, 23.0+24.0j, 25.0+26.0j, 27.0+28.0j, 29.0+30.0j)
 	expected_result = (33.0+36.0j, 39.0+42.0j, 45.0+48.0j, 51.0+54.0j, 57.0+60.0j)
-	op = blocks_swig.add_cc(5)
+	op = blocks.add_cc(5)
 	self.help_cc(5, (src1_data, src2_data, src3_data), expected_result, op)
 
     # add_const_vXX
 
     def test_add_const_vss_one(self):
 	src_data = (1,)
-	op = blocks_swig.add_const_vss((2,))
+	op = blocks.add_const_vss((2,))
 	exp_data = (3,)
 	self.help_const_ss(src_data, exp_data, op)
 
     def test_add_const_vss_five(self):
 	src_data = (1, 2, 3, 4, 5)
-	op = blocks_swig.add_const_vss((6, 7, 8, 9, 10))
+	op = blocks.add_const_vss((6, 7, 8, 9, 10))
 	exp_data = (7, 9, 11, 13, 15)
 	self.help_const_ss(src_data, exp_data, op)
 
     def test_add_const_vii_one(self):
 	src_data = (1,)
-	op = blocks_swig.add_const_vii((2,))
+	op = blocks.add_const_vii((2,))
 	exp_data = (3,)
 	self.help_const_ii(src_data, exp_data, op)
 
     def test_add_const_vii_five(self):
 	src_data = (1, 2, 3, 4, 5)
-	op = blocks_swig.add_const_vii((6, 7, 8, 9, 10))
+	op = blocks.add_const_vii((6, 7, 8, 9, 10))
 	exp_data = (7, 9, 11, 13, 15)
 	self.help_const_ii(src_data, exp_data, op)
 
     def test_add_const_vff_one(self):
 	src_data = (1.0,)
-	op = blocks_swig.add_const_vff((2.0,))
+	op = blocks.add_const_vff((2.0,))
 	exp_data = (3.0,)
 	self.help_const_ff(src_data, exp_data, op)
 
     def test_add_const_vff_five(self):
 	src_data = (1.0, 2.0, 3.0, 4.0, 5.0)
-	op = blocks_swig.add_const_vff((6.0, 7.0, 8.0, 9.0, 10.0))
+	op = blocks.add_const_vff((6.0, 7.0, 8.0, 9.0, 10.0))
 	exp_data = (7.0, 9.0, 11.0, 13.0, 15.0)
 	self.help_const_ff(src_data, exp_data, op)
 
     def test_add_const_vcc_one(self):
 	src_data = (1.0+2.0j,)
-	op = blocks_swig.add_const_vcc((2.0+3.0j,))
+	op = blocks.add_const_vcc((2.0+3.0j,))
 	exp_data = (3.0+5.0j,)
 	self.help_const_cc(src_data, exp_data, op)
 
     def test_add_const_vcc_five(self):
 	src_data = (1.0+2.0j, 3.0+4.0j, 5.0+6.0j, 7.0+8.0j, 9.0+10.0j)
-	op = blocks_swig.add_const_vcc((11.0+12.0j, 13.0+14.0j, 15.0+16.0j, 17.0+18.0j, 19.0+20.0j))
+	op = blocks.add_const_vcc((11.0+12.0j, 13.0+14.0j, 15.0+16.0j, 17.0+18.0j, 19.0+20.0j))
 	exp_data = (12.0+14.0j, 16.0+18.0j, 20.0+22.0j, 24.0+26.0j, 28.0+30.0j)
 	self.help_const_cc(src_data, exp_data, op)
 
@@ -246,7 +246,7 @@ class test_add_mult_v(gr_unittest.TestCase):
 	src2_data = (2,)
 	src3_data = (3,)
 	expected_result = (6,)
-	op = gr.multiply_vss(1)
+	op = blocks.multiply_ss(1)
 	self.help_ss(1, (src1_data, src2_data, src3_data), expected_result, op)
 
     def test_multiply_vss_five(self):
@@ -254,7 +254,7 @@ class test_add_mult_v(gr_unittest.TestCase):
 	src2_data = (6, 7, 8, 9, 10)
 	src3_data = (11, 12, 13, 14, 15)
 	expected_result = (66, 168, 312, 504, 750)
-	op = gr.multiply_vss(5)
+	op = blocks.multiply_ss(5)
 	self.help_ss(5, (src1_data, src2_data, src3_data), expected_result, op)
 
     def test_multiply_vii_one(self):
@@ -262,7 +262,7 @@ class test_add_mult_v(gr_unittest.TestCase):
 	src2_data = (2,)
 	src3_data = (3,)
 	expected_result = (6,)
-	op = gr.multiply_vii(1)
+	op = blocks.multiply_ii(1)
 	self.help_ii(1, (src1_data, src2_data, src3_data), expected_result, op)
 
     def test_multiply_vii_five(self):
@@ -270,7 +270,7 @@ class test_add_mult_v(gr_unittest.TestCase):
 	src2_data = (6, 7, 8, 9, 10)
 	src3_data = (11, 12, 13, 14, 15)
 	expected_result = (66, 168, 312, 504, 750)
-	op = gr.multiply_vii(5)
+	op = blocks.multiply_ii(5)
 	self.help_ii(5, (src1_data, src2_data, src3_data), expected_result, op)
 
     def test_multiply_vff_one(self):
@@ -278,7 +278,7 @@ class test_add_mult_v(gr_unittest.TestCase):
 	src2_data = (2.0,)
 	src3_data = (3.0,)
 	expected_result = (6.0,)
-	op = gr.multiply_vff(1)
+	op = blocks.multiply_ff(1)
 	self.help_ff(1, (src1_data, src2_data, src3_data), expected_result, op)
 
     def test_multiply_vff_five(self):
@@ -286,7 +286,7 @@ class test_add_mult_v(gr_unittest.TestCase):
 	src2_data = (6.0, 7.0, 8.0, 9.0, 10.0)
 	src3_data = (11.0, 12.0, 13.0, 14.0, 15.0)
 	expected_result = (66.0, 168.0, 312.0, 504.0, 750.0)
-	op = gr.multiply_vff(5)
+	op = blocks.multiply_ff(5)
 	self.help_ff(5, (src1_data, src2_data, src3_data), expected_result, op)
 
     def test_multiply_vcc_one(self):
@@ -294,7 +294,7 @@ class test_add_mult_v(gr_unittest.TestCase):
 	src2_data = (3.0+4.0j,)
 	src3_data = (5.0+6.0j,)
 	expected_result = (-85+20j,)
-	op = gr.multiply_vcc(1)
+	op = blocks.multiply_cc(1)
 	self.help_cc(1, (src1_data, src2_data, src3_data), expected_result, op)
 
     def test_multiply_vcc_five(self):
@@ -302,56 +302,56 @@ class test_add_mult_v(gr_unittest.TestCase):
 	src2_data = (11.0+12.0j, 13.0+14.0j, 15.0+16.0j, 17.0+18.0j, 19.0+20.0j)
 	src3_data = (21.0+22.0j, 23.0+24.0j, 25.0+26.0j, 27.0+28.0j, 29.0+30.0j)
 	expected_result = (-1021.0+428.0j, -2647.0+1754.0j, -4945.0+3704.0j, -8011.0+6374.0j, -11941.0+9860.0j)
-	op = gr.multiply_vcc(5)
+	op = blocks.multiply_cc(5)
 	self.help_cc(5, (src1_data, src2_data, src3_data), expected_result, op)
 
     # multiply_const_vXX
 
     def test_multiply_const_vss_one(self):
 	src_data = (2,)
-	op = gr.multiply_const_vss((3,))
+	op = blocks.multiply_const_vss((3,))
 	exp_data = (6,)
 	self.help_const_ss(src_data, exp_data, op)
 
     def test_multiply_const_vss_five(self):
 	src_data = (1, 2, 3, 4, 5)
-	op = gr.multiply_const_vss((6, 7, 8, 9, 10))
+	op = blocks.multiply_const_vss((6, 7, 8, 9, 10))
 	exp_data = (6, 14, 24, 36, 50)
 	self.help_const_ss(src_data, exp_data, op)
 
     def test_multiply_const_vii_one(self):
 	src_data = (2,)
-	op = gr.multiply_const_vii((3,))
+	op = blocks.multiply_const_vii((3,))
 	exp_data = (6,)
 	self.help_const_ii(src_data, exp_data, op)
 
     def test_multiply_const_vii_five(self):
 	src_data = (1, 2, 3, 4, 5)
-	op = gr.multiply_const_vii((6, 7, 8, 9, 10))
+	op = blocks.multiply_const_vii((6, 7, 8, 9, 10))
 	exp_data = (6, 14, 24, 36, 50)
 	self.help_const_ii(src_data, exp_data, op)
 
     def test_multiply_const_vff_one(self):
 	src_data = (2.0,)
-	op = gr.multiply_const_vff((3.0,))
+	op = blocks.multiply_const_vff((3.0,))
 	exp_data = (6.0,)
 	self.help_const_ff(src_data, exp_data, op)
 
     def test_multiply_const_vff_five(self):
 	src_data = (1.0, 2.0, 3.0, 4.0, 5.0)
-	op = gr.multiply_const_vff((6.0, 7.0, 8.0, 9.0, 10.0))
+	op = blocks.multiply_const_vff((6.0, 7.0, 8.0, 9.0, 10.0))
 	exp_data = (6.0, 14.0, 24.0, 36.0, 50.0)
 	self.help_const_ff(src_data, exp_data, op)
 
     def test_multiply_const_vcc_one(self):
 	src_data = (1.0+2.0j,)
-	op = gr.multiply_const_vcc((2.0+3.0j,))
+	op = blocks.multiply_const_vcc((2.0+3.0j,))
 	exp_data = (-4.0+7.0j,)
 	self.help_const_cc(src_data, exp_data, op)
 
     def test_multiply_const_vcc_five(self):
 	src_data = (1.0+2.0j, 3.0+4.0j, 5.0+6.0j, 7.0+8.0j, 9.0+10.0j)
-	op = gr.multiply_const_vcc((11.0+12.0j, 13.0+14.0j, 15.0+16.0j, 17.0+18.0j, 19.0+20.0j))
+	op = blocks.multiply_const_vcc((11.0+12.0j, 13.0+14.0j, 15.0+16.0j, 17.0+18.0j, 19.0+20.0j))
 	exp_data = (-13.0+34.0j, -17.0+94.0j, -21.0+170.0j, -25.0+262.0j, -29.0+370.0j)
 	self.help_const_cc(src_data, exp_data, op)
 
diff --git a/gr-blocks/python/qa_bin_statistics.py b/gr-blocks/python/qa_bin_statistics.py
index c1b3072530..666f7c0d68 100755
--- a/gr-blocks/python/qa_bin_statistics.py
+++ b/gr-blocks/python/qa_bin_statistics.py
@@ -27,9 +27,8 @@ import struct
 
 """
 Note: There has been an issue with this block in the past, see Issue
-#199. This looks like it might have fixed itself over the years. I am
-leaving these tests disabled on our master branch for v3.6 for now,
-though, just in case. TWR.
+#199. This test is being enabled only on the 'next' branch for version
+v3.7 for now. TWR
 """
 
 class counter(gr.feval_dd):
@@ -100,7 +99,7 @@ class test_bin_statistics(gr_unittest.TestCase):
     def tearDown(self):
         self.tb = None
 
-    def xtest_001(self):
+    def test_001(self):
         vlen = 4
         tune = counter(1)
         tune_delay = 0
@@ -132,7 +131,7 @@ class test_bin_statistics(gr_unittest.TestCase):
             #print "m =", m.center_freq, m.data
             self.assertEqual(expected_results[vlen*i:vlen*i + vlen], m.data)
 
-    def xtest_002(self):
+    def test_002(self):
         vlen = 4
         tune = counter(1)
         tune_delay = 1
@@ -162,7 +161,7 @@ class test_bin_statistics(gr_unittest.TestCase):
 
 
 
-    def xtest_003(self):
+    def test_003(self):
         vlen = 4
         tune = counter3(foobar3, 1)
         tune_delay = 1
@@ -194,7 +193,7 @@ class test_bin_statistics(gr_unittest.TestCase):
         #print "foobar4: new_t =", new_t
         pass
 
-    def xtest_004(self):
+    def test_004(self):
         vlen = 4
         tune = counter4(self, 1)
         tune_delay = 1
diff --git a/gr-blocks/python/qa_burst_tagger.py b/gr-blocks/python/qa_burst_tagger.py
index 5e249cb8b9..dfe9ec6429 100644
--- a/gr-blocks/python/qa_burst_tagger.py
+++ b/gr-blocks/python/qa_burst_tagger.py
@@ -51,10 +51,10 @@ class test_burst_tagger(gr_unittest.TestCase):
         self.assertEqual(6, x[2].offset)
         self.assertEqual(8, x[3].offset)
 
-        self.assertEqual(True,  pmt.pmt_to_bool(x[0].value))
-        self.assertEqual(False, pmt.pmt_to_bool(x[1].value))
-        self.assertEqual(True,  pmt.pmt_to_bool(x[2].value))
-        self.assertEqual(False, pmt.pmt_to_bool(x[3].value))
+        self.assertEqual(True,  pmt.to_bool(x[0].value))
+        self.assertEqual(False, pmt.to_bool(x[1].value))
+        self.assertEqual(True,  pmt.to_bool(x[2].value))
+        self.assertEqual(False, pmt.to_bool(x[3].value))
 
 if __name__ == '__main__':
     gr_unittest.run(test_burst_tagger, "test_burst_tagger.xml")
diff --git a/gr-blocks/python/qa_file_metadata.py b/gr-blocks/python/qa_file_metadata.py
index c7826b1d3e..cf7a075f42 100644
--- a/gr-blocks/python/qa_file_metadata.py
+++ b/gr-blocks/python/qa_file_metadata.py
@@ -35,6 +35,7 @@ def sig_source_c(samp_rate, freq, amp, N):
 class test_file_metadata(gr_unittest.TestCase):
 
     def setUp(self):
+        os.environ['GR_CONF_CONTROLPORT_ON'] = 'False'
         self.tb = gr.top_block()
 
     def tearDown(self):
@@ -46,11 +47,11 @@ class test_file_metadata(gr_unittest.TestCase):
 
         detached = False
         samp_rate = 200000
-        key = pmt.pmt_intern("samp_rate")
-        val = pmt.pmt_from_double(samp_rate)
-        extras = pmt.pmt_make_dict()
-        extras = pmt.pmt_dict_add(extras, key, val)
-        extras_str = pmt.pmt_serialize_str(extras)
+        key = pmt.intern("samp_rate")
+        val = pmt.from_double(samp_rate)
+        extras = pmt.make_dict()
+        extras = pmt.dict_add(extras, key, val)
+        extras_str = pmt.serialize_str(extras)
 
         data = sig_source_c(samp_rate, 1000, 1, N)
         src  = gr.vector_source_c(data)
@@ -70,7 +71,7 @@ class test_file_metadata(gr_unittest.TestCase):
             self.assertFalse()
 
         try:
-            header = pmt.pmt_deserialize_str(header_str)
+            header = pmt.deserialize_str(header_str)
         except RuntimeError:
             self.assertFalse()
 
@@ -82,21 +83,21 @@ class test_file_metadata(gr_unittest.TestCase):
         handle.close()
 
         try:
-            extra = pmt.pmt_deserialize_str(extra_str)
+            extra = pmt.deserialize_str(extra_str)
         except RuntimeError:
             self.assertFalse()
 
         extra_info = parse_file_metadata.parse_extra_dict(extra, info, False)
 
         self.assertEqual(info['rx_rate'], samp_rate)
-        self.assertEqual(pmt.pmt_to_double(extra_info['samp_rate']), samp_rate)
+        self.assertEqual(pmt.to_double(extra_info['samp_rate']), samp_rate)
 
 
         # Test file metadata source
         src.rewind()
         fsrc = blocks.file_meta_source(outfile, False)
         vsnk = gr.vector_sink_c()
-        tsnk = gr.tag_debug(gr.sizeof_gr_complex, "QA")
+        tsnk = blocks.tag_debug(gr.sizeof_gr_complex, "QA")
         ssnk = gr.vector_sink_c()
         self.tb.disconnect(src, fsnk)
         self.tb.connect(fsrc, vsnk)
@@ -108,10 +109,10 @@ class test_file_metadata(gr_unittest.TestCase):
         # were generated and received correctly.
         tags = tsnk.current_tags()
         for t in tags:
-            if(pmt.pmt_eq(t.key, pmt.pmt_intern("samp_rate"))):
-                self.assertEqual(pmt.pmt_to_double(t.value), samp_rate)
-            elif(pmt.pmt_eq(t.key, pmt.pmt_intern("rx_rate"))):
-                self.assertEqual(pmt.pmt_to_double(t.value), samp_rate)
+            if(pmt.eq(t.key, pmt.intern("samp_rate"))):
+                self.assertEqual(pmt.to_double(t.value), samp_rate)
+            elif(pmt.eq(t.key, pmt.intern("rx_rate"))):
+                self.assertEqual(pmt.to_double(t.value), samp_rate)
 
         # Test that the data portion was extracted and received correctly.
         self.assertComplexTuplesAlmostEqual(vsnk.data(), ssnk.data(), 5)
@@ -125,11 +126,11 @@ class test_file_metadata(gr_unittest.TestCase):
 
         detached = True
         samp_rate = 200000
-        key = pmt.pmt_intern("samp_rate")
-        val = pmt.pmt_from_double(samp_rate)
-        extras = pmt.pmt_make_dict()
-        extras = pmt.pmt_dict_add(extras, key, val)
-        extras_str = pmt.pmt_serialize_str(extras)
+        key = pmt.intern("samp_rate")
+        val = pmt.from_double(samp_rate)
+        extras = pmt.make_dict()
+        extras = pmt.dict_add(extras, key, val)
+        extras_str = pmt.serialize_str(extras)
 
         data = sig_source_c(samp_rate, 1000, 1, N)
         src  = gr.vector_source_c(data)
@@ -150,7 +151,7 @@ class test_file_metadata(gr_unittest.TestCase):
             self.assertFalse()
 
         try:
-            header = pmt.pmt_deserialize_str(header_str)
+            header = pmt.deserialize_str(header_str)
         except RuntimeError:
             self.assertFalse()
 
@@ -161,21 +162,21 @@ class test_file_metadata(gr_unittest.TestCase):
         handle.close()
 
         try:
-            extra = pmt.pmt_deserialize_str(extra_str)
+            extra = pmt.deserialize_str(extra_str)
         except RuntimeError:
             self.assertFalse()
 
         extra_info = parse_file_metadata.parse_extra_dict(extra, info, False)
 
         self.assertEqual(info['rx_rate'], samp_rate)
-        self.assertEqual(pmt.pmt_to_double(extra_info['samp_rate']), samp_rate)
+        self.assertEqual(pmt.to_double(extra_info['samp_rate']), samp_rate)
 
 
         # Test file metadata source
         src.rewind()
         fsrc = blocks.file_meta_source(outfile, False, detached, outfile_hdr)
         vsnk = gr.vector_sink_c()
-        tsnk = gr.tag_debug(gr.sizeof_gr_complex, "QA")
+        tsnk = blocks.tag_debug(gr.sizeof_gr_complex, "QA")
         ssnk = gr.vector_sink_c()
         self.tb.disconnect(src, fsnk)
         self.tb.connect(fsrc, vsnk)
@@ -187,10 +188,10 @@ class test_file_metadata(gr_unittest.TestCase):
         # were generated and received correctly.
         tags = tsnk.current_tags()
         for t in tags:
-            if(pmt.pmt_eq(t.key, pmt.pmt_intern("samp_rate"))):
-                self.assertEqual(pmt.pmt_to_double(t.value), samp_rate)
-            elif(pmt.pmt_eq(t.key, pmt.pmt_intern("rx_rate"))):
-                self.assertEqual(pmt.pmt_to_double(t.value), samp_rate)
+            if(pmt.eq(t.key, pmt.intern("samp_rate"))):
+                self.assertEqual(pmt.to_double(t.value), samp_rate)
+            elif(pmt.eq(t.key, pmt.intern("rx_rate"))):
+                self.assertEqual(pmt.to_double(t.value), samp_rate)
 
         # Test that the data portion was extracted and received correctly.
         self.assertComplexTuplesAlmostEqual(vsnk.data(), ssnk.data(), 5)
diff --git a/gr-blocks/python/qa_message.py b/gr-blocks/python/qa_message.py
index 551fdd6259..a556f65cee 100755
--- a/gr-blocks/python/qa_message.py
+++ b/gr-blocks/python/qa_message.py
@@ -130,7 +130,7 @@ class test_message(gr_unittest.TestCase):
         self.assertEquals(tuple(map(ord, '0123456789')), dst.data())
 
     def test_debug_401(self):
-        msg = pmt.pmt_intern("TESTING")
+        msg = pmt.intern("TESTING")
         src = blocks.message_strobe(msg, 500)
         snk = blocks.message_debug()
 
@@ -142,7 +142,7 @@ class test_message(gr_unittest.TestCase):
         tb.wait()
 
         rec_msg = snk.get_message(0)
-        self.assertTrue(pmt.pmt_eqv(rec_msg, msg))
+        self.assertTrue(pmt.eqv(rec_msg, msg))
         
 
 if __name__ == '__main__':
diff --git a/gr-blocks/python/qa_pdu.py b/gr-blocks/python/qa_pdu.py
index 3f7675ce4a..c8fc0e5a91 100755
--- a/gr-blocks/python/qa_pdu.py
+++ b/gr-blocks/python/qa_pdu.py
@@ -40,16 +40,16 @@ class test_pdu(gr_unittest.TestCase):
         src = blocks.pdu_to_tagged_stream(blocks.byte_t)
         snk3 = blocks.tagged_stream_to_pdu(blocks.byte_t)
         snk2 = gr.vector_sink_b()
-        snk = gr.tag_debug(1, "test")
+        snk = blocks.tag_debug(1, "test")
         snk.set_display(False)
 
-        dbg = gr.message_debug()
+        dbg = blocks.message_debug()
 
         # Test that the right number of ports exist.
         pi = snk3.message_ports_in()
         po = snk3.message_ports_out()
-        self.assertEqual(pmt.pmt_length(pi), 0)
-        self.assertEqual(pmt.pmt_length(po), 1)
+        self.assertEqual(pmt.length(pi), 0)
+        self.assertEqual(pmt.length(po), 1)
 
         self.tb.connect(src, snk)
         self.tb.connect(src, snk2)
@@ -58,8 +58,8 @@ class test_pdu(gr_unittest.TestCase):
         self.tb.start()
 
         # make our reference and message pmts
-        port = pmt.pmt_intern("pdus")
-        msg = pmt.pmt_cons( pmt.PMT_NIL, pmt.pmt_make_u8vector(16, 0xFF))
+        port = pmt.intern("pdus")
+        msg = pmt.cons( pmt.PMT_NIL, pmt.make_u8vector(16, 0xFF))
 
         # post the message
         src.to_basic_block()._post(port, msg) # eww, what's that smell?
@@ -75,13 +75,13 @@ class test_pdu(gr_unittest.TestCase):
         # Get the vector of data from the message sink
         # Convert the message PMT as a pair into its vector
         result_msg = dbg.get_message(0)
-        msg_vec = pmt.pmt_cdr(result_msg)
-        #pmt.pmt_print(msg_vec)
+        msg_vec = pmt.cdr(result_msg)
+        #pmt.print(msg_vec)
 
         # Convert the PMT vector into a Python list
         msg_data = []
         for i in xrange(16):
-            msg_data.append(pmt.pmt_u8vector_ref(msg_vec, i))
+            msg_data.append(pmt.u8vector_ref(msg_vec, i))
 
         actual_data = 16*[0xFF,]
         self.assertEqual(actual_data, list(result_data))
diff --git a/gr-blocks/python/qa_pipe_fittings.py b/gr-blocks/python/qa_pipe_fittings.py
index 321660d5ee..9894a5c211 100755
--- a/gr-blocks/python/qa_pipe_fittings.py
+++ b/gr-blocks/python/qa_pipe_fittings.py
@@ -21,7 +21,7 @@
 #
 
 from gnuradio import gr, gr_unittest
-import blocks_swig
+import blocks_swig as blocks
 
 def calc_expected_result(src_data, n):
     assert (len(src_data) % n) == 0
@@ -51,7 +51,7 @@ class test_pipe_fittings(gr_unittest.TestCase):
         expected_results = calc_expected_result(src_data, n)
         #print "expected results: ", expected_results
         src = gr.vector_source_i(src_data)
-        op = gr.stream_to_streams(gr.sizeof_int, n)
+        op = blocks.stream_to_streams(gr.sizeof_int, n)
         self.tb.connect(src, op)
 
         dsts = []
@@ -75,8 +75,8 @@ class test_pipe_fittings(gr_unittest.TestCase):
         expected_results = src_data
 
         src = gr.vector_source_i(src_data)
-        op1 = gr.stream_to_streams(gr.sizeof_int, n)
-        op2 = gr.streams_to_stream(gr.sizeof_int, n)
+        op1 = blocks.stream_to_streams(gr.sizeof_int, n)
+        op2 = blocks.streams_to_stream(gr.sizeof_int, n)
         dst = gr.vector_sink_i()
 
         self.tb.connect(src, op1)
@@ -97,9 +97,9 @@ class test_pipe_fittings(gr_unittest.TestCase):
         expected_results = src_data
 
         src = gr.vector_source_i(src_data)
-        op1 = gr.stream_to_streams(gr.sizeof_int, n)
-        op2 = gr.streams_to_vector(gr.sizeof_int, n)
-        op3 = gr.vector_to_stream(gr.sizeof_int, n)
+        op1 = blocks.stream_to_streams(gr.sizeof_int, n)
+        op2 = blocks.streams_to_vector(gr.sizeof_int, n)
+        op3 = blocks.vector_to_stream(gr.sizeof_int, n)
         dst = gr.vector_sink_i()
 
         self.tb.connect(src, op1)
@@ -120,9 +120,9 @@ class test_pipe_fittings(gr_unittest.TestCase):
         expected_results = src_data
 
         src = gr.vector_source_i(src_data)
-        op1 = gr.stream_to_vector(gr.sizeof_int, n)
-        op2 = gr.vector_to_streams(gr.sizeof_int, n)
-        op3 = gr.streams_to_stream(gr.sizeof_int, n)
+        op1 = blocks.stream_to_vector(gr.sizeof_int, n)
+        op2 = blocks.vector_to_streams(gr.sizeof_int, n)
+        op3 = blocks.streams_to_stream(gr.sizeof_int, n)
         dst = gr.vector_sink_i()
 
         self.tb.connect(src, op1, op2)
diff --git a/gr-blocks/python/qa_probe_signal.py b/gr-blocks/python/qa_probe_signal.py
index a420df71e5..6d25a25087 100644
--- a/gr-blocks/python/qa_probe_signal.py
+++ b/gr-blocks/python/qa_probe_signal.py
@@ -20,7 +20,6 @@
 # Boston, MA 02110-1301, USA.
 #
 
-import time
 from gnuradio import gr, gr_unittest
 import blocks_swig as blocks
 
diff --git a/gr-blocks/python/qa_stream_mux.py b/gr-blocks/python/qa_stream_mux.py
index f21a9bbbc9..657bd3d63f 100755
--- a/gr-blocks/python/qa_stream_mux.py
+++ b/gr-blocks/python/qa_stream_mux.py
@@ -22,10 +22,12 @@
 
 from gnuradio import gr, gr_unittest
 import blocks_swig
+import os
 
 class test_stream_mux (gr_unittest.TestCase):
 
     def setUp (self):
+        os.environ['GR_CONF_CONTROLPORT_ON'] = 'False'
         self.tb = gr.top_block ()
 
     def tearDown (self):
diff --git a/gr-blocks/python/qa_stretch.py b/gr-blocks/python/qa_stretch.py
index 013d878a8f..078b404dbf 100755
--- a/gr-blocks/python/qa_stretch.py
+++ b/gr-blocks/python/qa_stretch.py
@@ -43,9 +43,9 @@ class test_stretch(gr_unittest.TestCase):
 
         src0 = gr.vector_source_f(data0, False)
         src1 = gr.vector_source_f(data1, False)
-        inter = gr.streams_to_vector(gr.sizeof_float, 2)
+        inter = blocks.streams_to_vector(gr.sizeof_float, 2)
         op = blocks.stretch_ff(0.1, 2)
-        deinter = gr.vector_to_streams(gr.sizeof_float, 2)
+        deinter = blocks.vector_to_streams(gr.sizeof_float, 2)
         dst0 = gr.vector_sink_f()
         dst1 = gr.vector_sink_f()
         
diff --git a/gr-blocks/python/stream_to_vector_decimator.py b/gr-blocks/python/stream_to_vector_decimator.py
new file mode 100644
index 0000000000..c32ae6fce2
--- /dev/null
+++ b/gr-blocks/python/stream_to_vector_decimator.py
@@ -0,0 +1,106 @@
+#
+# Copyright 2008 Free Software Foundation, Inc.
+#
+# This file is part of GNU Radio
+#
+# GNU Radio is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3, or (at your option)
+# any later version.
+#
+# GNU Radio is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with GNU Radio; see the file COPYING.  If not, write to
+# the Free Software Foundation, Inc., 51 Franklin Street,
+# Boston, MA 02110-1301, USA.
+#
+
+from gnuradio import gr
+
+try:
+    from gnuradio import blocks
+except ImportError:
+    import blocks_swig as blocks
+
+class stream_to_vector_decimator(gr.hier_block2):
+    """
+    Convert the stream to a vector, decimate the vector stream to achieve the vector rate.
+    """
+
+    def __init__(self, item_size, sample_rate, vec_rate, vec_len):
+        """
+        Create the block chain.
+        
+        Args:
+            item_size: the number of bytes per sample
+            sample_rate: the rate of incoming samples
+            vec_rate: the rate of outgoing vectors (same units as sample_rate)
+            vec_len: the length of the outgoing vectors in items
+        """
+        self._vec_rate = vec_rate
+        self._vec_len = vec_len
+        self._sample_rate = sample_rate
+
+        gr.hier_block2.__init__(self, "stream_to_vector_decimator",
+                                gr.io_signature(1, 1, item_size),         # Input signature
+                                gr.io_signature(1, 1, item_size*vec_len)) # Output signature
+
+        s2v = blocks.stream_to_vector(item_size, vec_len)
+        self.one_in_n = blocks.keep_one_in_n(item_size*vec_len, 1)
+        self._update_decimator()
+        self.connect(self, s2v, self.one_in_n, self)
+
+    def set_sample_rate(self, sample_rate):
+        """
+        Set the new sampling rate and update the decimator.
+        
+        Args:
+            sample_rate: the new rate
+        """
+        self._sample_rate = sample_rate
+        self._update_decimator()
+
+    def set_vec_rate(self, vec_rate):
+        """
+        Set the new vector rate and update the decimator.
+        
+        Args:
+            vec_rate: the new rate
+        """
+        self._vec_rate = vec_rate
+        self._update_decimator()
+
+    def set_decimation(self, decim):
+        """
+        Set the decimation parameter directly.
+        
+        Args:
+            decim: the new decimation
+        """
+        self._decim = max(1, int(round(decim)))
+        self.one_in_n.set_n(self._decim)
+
+    def _update_decimator(self):
+        self.set_decimation(self._sample_rate/self._vec_len/self._vec_rate)
+
+    def decimation(self):
+        """
+        Returns the actual decimation.
+        """
+        return self._decim
+
+    def sample_rate(self):
+        """
+        Returns configured sample rate.
+        """
+        return self._sample_rate
+
+    def frame_rate(self):
+        """
+        Returns actual frame rate
+        """
+        return self._sample_rate/self._vec_len/self._decim