Merge branch 'dfsg-orig'

[debian/gnuradio] / gr-atsc / src / lib / GrAtscConvert2xTo20.h

diff --git a/gr-atsc/src/lib/GrAtscConvert2xTo20.h b/gr-atsc/src/lib/GrAtscConvert2xTo20.h
new file mode 100644 (file)
index 0000000..eba6f71
--- /dev/null
+++ b/gr-atsc/src/lib/GrAtscConvert2xTo20.h
@@ -0,0 +1,50 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2002 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.
+ */
+#ifndef _GRATSCCONVERT2XTO20_H_
+#define _GRATSCCONVERT2XTO20_H_
+
+#include <VrDecimatingSigProc.h>
+#include <gr_mmse_fir_interpolator.h>
+
+class GrAtscConvert2xTo20 : public VrDecimatingSigProc<float,float> {
+  gr_mmse_fir_interpolator     d_interp;
+  double                       d_frac_part;
+  VrSampleIndex                        d_next_input;
+  
+public:
+  GrAtscConvert2xTo20 ();
+  ~GrAtscConvert2xTo20 ();
+
+  virtual const char *name () { return "GrAtscConvert2xTo20"; }
+
+  virtual int forecast (VrSampleRange output,
+                       VrSampleRange inputs[]);
+
+  virtual int work (VrSampleRange output, void *o[],
+                   VrSampleRange inputs[], void *i[]);
+
+  void pre_initialize ();
+  int checkOutputSamplingFrequency(float) { return 0; } // bogus, but required
+
+};
+
+#endif /* _GRATSCCONVERT2XTO20_H_ */