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path: root/gr-dtv/lib/dvbt/dvbt_convolutional_interleaver_impl.cc
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Diffstat (limited to 'gr-dtv/lib/dvbt/dvbt_convolutional_interleaver_impl.cc')
-rw-r--r--gr-dtv/lib/dvbt/dvbt_convolutional_interleaver_impl.cc100
1 files changed, 51 insertions, 49 deletions
diff --git a/gr-dtv/lib/dvbt/dvbt_convolutional_interleaver_impl.cc b/gr-dtv/lib/dvbt/dvbt_convolutional_interleaver_impl.cc
index ee440bc789..69127cb271 100644
--- a/gr-dtv/lib/dvbt/dvbt_convolutional_interleaver_impl.cc
+++ b/gr-dtv/lib/dvbt/dvbt_convolutional_interleaver_impl.cc
@@ -1,17 +1,17 @@
/* -*- c++ -*- */
-/*
+/*
* Copyright 2015 Free Software Foundation, Inc.
- *
+ *
* This 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.
- *
+ *
* This software 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 this software; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
@@ -27,63 +27,65 @@
#include <deque>
namespace gr {
- namespace dtv {
+namespace dtv {
- dvbt_convolutional_interleaver::sptr
- dvbt_convolutional_interleaver::make(int nsize, int I, int M)
- {
- return gnuradio::get_initial_sptr
- (new dvbt_convolutional_interleaver_impl(nsize, I, M));
- }
+dvbt_convolutional_interleaver::sptr
+dvbt_convolutional_interleaver::make(int nsize, int I, int M)
+{
+ return gnuradio::get_initial_sptr(
+ new dvbt_convolutional_interleaver_impl(nsize, I, M));
+}
- /*
- * The private constructor
- */
- dvbt_convolutional_interleaver_impl::dvbt_convolutional_interleaver_impl(int blocks, int I, int M)
- : sync_interpolator("dvbt_convolutional_interleaver",
- io_signature::make(1, 1, sizeof (unsigned char) * I * blocks),
- io_signature::make(1, 1, sizeof (unsigned char)), I * blocks),
- d_I(I), d_M(M)
- {
- //Positions are shift registers (FIFOs)
- //of length i*M
- for (int i = 0; i < d_I; i++) {
+/*
+ * The private constructor
+ */
+dvbt_convolutional_interleaver_impl::dvbt_convolutional_interleaver_impl(int blocks,
+ int I,
+ int M)
+ : sync_interpolator("dvbt_convolutional_interleaver",
+ io_signature::make(1, 1, sizeof(unsigned char) * I * blocks),
+ io_signature::make(1, 1, sizeof(unsigned char)),
+ I * blocks),
+ d_I(I),
+ d_M(M)
+{
+ // Positions are shift registers (FIFOs)
+ // of length i*M
+ for (int i = 0; i < d_I; i++) {
d_shift.push_back(new std::deque<unsigned char>(d_M * i, 0));
- }
}
+}
- /*
- * Our virtual destructor.
- */
- dvbt_convolutional_interleaver_impl::~dvbt_convolutional_interleaver_impl()
- {
- for (unsigned int i = 0; i < d_shift.size(); i++) {
+/*
+ * Our virtual destructor.
+ */
+dvbt_convolutional_interleaver_impl::~dvbt_convolutional_interleaver_impl()
+{
+ for (unsigned int i = 0; i < d_shift.size(); i++) {
delete d_shift.back();
d_shift.pop_back();
- }
}
+}
- int
- dvbt_convolutional_interleaver_impl::work (int noutput_items,
- gr_vector_const_void_star &input_items,
- gr_vector_void_star &output_items)
- {
- const unsigned char *in = (const unsigned char *) input_items[0];
- unsigned char *out = (unsigned char *) output_items[0];
+int dvbt_convolutional_interleaver_impl::work(int noutput_items,
+ gr_vector_const_void_star& input_items,
+ gr_vector_void_star& output_items)
+{
+ const unsigned char* in = (const unsigned char*)input_items[0];
+ unsigned char* out = (unsigned char*)output_items[0];
- for (int i = 0; i < (noutput_items / d_I); i++) {
- //Process one block of I symbols
+ for (int i = 0; i < (noutput_items / d_I); i++) {
+ // Process one block of I symbols
for (unsigned int j = 0; j < d_shift.size(); j++) {
- d_shift[j]->push_front(in[(d_I * i) + j]);
- out[(d_I * i) + j] = d_shift[j]->back();
- d_shift[j]->pop_back();
+ d_shift[j]->push_front(in[(d_I * i) + j]);
+ out[(d_I * i) + j] = d_shift[j]->back();
+ d_shift[j]->pop_back();
}
- }
-
- // Tell runtime system how many output items we produced.
- return noutput_items;
}
- } /* namespace dtv */
-} /* namespace gr */
+ // Tell runtime system how many output items we produced.
+ return noutput_items;
+}
+} /* namespace dtv */
+} /* namespace gr */