Merge branch 'dfsg-orig'

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

diff --git a/gnuradio-core/src/python/gnuradio/blks2impl/pfb_arb_resampler.py b/gnuradio-core/src/python/gnuradio/blks2impl/pfb_arb_resampler.py
new file mode 100644 (file)
index 0000000..e40d963
--- /dev/null
+++ b/gnuradio-core/src/python/gnuradio/blks2impl/pfb_arb_resampler.py
@@ -0,0 +1,49 @@
+#!/usr/bin/env python
+#
+# Copyright 2009 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
+
+class pfb_arb_resampler_ccf(gr.hier_block2):
+    '''
+    Convenience wrapper for the polyphase filterbank arbitrary resampler.
+
+    The block takes a single complex stream in and outputs a single complex
+    stream out. As such, it requires no extra glue to handle the input/output
+    streams. This block is provided to be consistent with the interface to the
+    other PFB block.
+    '''
+    def __init__(self, rate, taps, flt_size=32):
+       gr.hier_block2.__init__(self, "pfb_arb_resampler_ccf",
+                               gr.io_signature(1, 1, gr.sizeof_gr_complex), # Input signature
+                               gr.io_signature(1, 1, gr.sizeof_gr_complex)) # Output signature
+        
+        self._rate = rate
+        self._taps = taps
+        self._size = flt_size
+
+        self.pfb = gr.pfb_arb_resampler_ccf(self._rate, self._taps, self._size)
+
+        self.connect(self, self.pfb)
+        self.connect(self.pfb, self)
+        
+    def set_taps(self, taps):
+        self.pfb.set_taps(taps)