set decim

[debian/gnuradio] / gnuradio-core / src / python / gnuradio / blks2impl / stream_to_vector_decimator.py

diff --git a/gnuradio-core/src/python/gnuradio/blks2impl/stream_to_vector_decimator.py b/gnuradio-core/src/python/gnuradio/blks2impl/stream_to_vector_decimator.py
index ff3a6b9550ce845379220f2e585d4fd6fa6ed05a..17dd67dedfc39967dbd779089ac68ddd234e8417 100644 (file)
--- a/gnuradio-core/src/python/gnuradio/blks2impl/stream_to_vector_decimator.py
+++ b/gnuradio-core/src/python/gnuradio/blks2impl/stream_to_vector_decimator.py
@@ -63,10 +63,24 @@ class stream_to_vector_decimator(gr.hier_block2):
         self._vec_rate = vec_rate
         self._update_decimator()
 
+    def set_decimation(self, decim):
+        """!
+        Set the decimation parameter directly.
+        @param decim the new decimation
+        """
+        self._decim = max(1, int(round(decim)))
+        self.one_in_n.set_n(self._decim)
+
     def _update_decimator(self):
-        self._decim = max(1, int(self._sample_rate/self._vec_len/self._vec_rate))
+        self._decim = max(1, int(round(self._sample_rate/self._vec_len/self._vec_rate)))
         self.one_in_n.set_n(self._decim)
 
+    def decimation(self):
+        """!
+        Returns the actual decimation.
+        """
+        return self._decim
+
     def sample_rate(self):
         """!
         Returns configured sample rate.