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authormanojgudi2013-10-01 17:22:29 +0530
committermanojgudi2013-10-01 17:22:47 +0530
commited97c528ce61496e10d612a4f5e9aef509b65ccf (patch)
tree81c10c71bd20df77e65d02056b3f2b022299b4ea /gr-atsc/src/lib/GrAtscConvert2xTo20.cc
parente25fe808cf6a20e9469d1380d497e23205a379b6 (diff)
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Removed unwanted blocks and changed CMakefile
Diffstat (limited to 'gr-atsc/src/lib/GrAtscConvert2xTo20.cc')
-rw-r--r--gr-atsc/src/lib/GrAtscConvert2xTo20.cc106
1 files changed, 0 insertions, 106 deletions
diff --git a/gr-atsc/src/lib/GrAtscConvert2xTo20.cc b/gr-atsc/src/lib/GrAtscConvert2xTo20.cc
deleted file mode 100644
index 1f540464d..000000000
--- a/gr-atsc/src/lib/GrAtscConvert2xTo20.cc
+++ /dev/null
@@ -1,106 +0,0 @@
-/* -*- 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.
- */
-
-#include <GrAtscConvert2xTo20.h>
-#include <atsc_consts.h>
-#include <cmath>
-#include <cstdio>
-
-static const int N_OUTPUTS = 1;
-static const double DEC_RATIO = (2.0 * ATSC_SYMBOL_RATE) / 20e6; // ~ 1.076
-
-GrAtscConvert2xTo20::GrAtscConvert2xTo20 ()
- : VrDecimatingSigProc<float,float> (N_OUTPUTS, (int) rint (DEC_RATIO))
-{
- d_next_input = 0;
- d_frac_part = 0;
- history = 2 * d_interp.ntaps (); // some slack
-}
-
-GrAtscConvert2xTo20::~GrAtscConvert2xTo20 ()
-{
- // Nop
-}
-
-void
-GrAtscConvert2xTo20::pre_initialize ()
-{
- fprintf (stderr,
- "GrAtscConvert2xTo20: input freq = %g\n", getInputSamplingFrequencyN(0));
- fprintf (stderr,
- "GrAtscConvert2xTo20: DEC_RATIO = %g\n", DEC_RATIO);
- fprintf (stderr,
- "GrAtscConvert2xTo20: argument to setSamplingFrequency = %g\n",
- getInputSamplingFrequencyN(0) / DEC_RATIO);
-
- int r;
- r = setSamplingFrequency (getInputSamplingFrequencyN (0) / DEC_RATIO);
-
- fprintf (stderr, "GrAtscConvert2xTo20: result = %d\n", r);
-
- fprintf (stderr, "GrAtscConvert2xTo20: getSamplingFrequency = %g\n",
- getSamplingFrequency ());
-}
-
-
-int
-GrAtscConvert2xTo20::forecast (VrSampleRange output,
- VrSampleRange inputs[])
-{
- assert (numberInputs == 1); // I hate these free references to
- // superclass's instance variables...
-
- inputs[0].index = d_next_input;
- inputs[0].size =
- ((long unsigned int) (output.size * DEC_RATIO) + history - 1);
-
- return 0;
-}
-
-int
-GrAtscConvert2xTo20::work (VrSampleRange output, void *ao[],
- VrSampleRange inputs[], void *ai[])
-{
- float *in = ((float **) ai)[0];
- float *out = ((float **) ao)[0];
-
- sync (output.index);
-
- unsigned long si = 0; // source index
- unsigned long oi = 0; // output index
- double frac_part = d_frac_part;
-
- for (oi = 0; oi < output.size; oi++){
- assert (si + d_interp.ntaps () < inputs[0].size);
- out[oi] = d_interp.interpolate (&in[si], (1. - frac_part));
-
- double s = frac_part + DEC_RATIO;
- double float_incr = floor (s);
- frac_part = s - float_incr;
- int incr = (int) float_incr;
- si += incr;
- }
-
- d_next_input += si;
- d_frac_part = frac_part;
- return output.size;
-}