diff options
Diffstat (limited to 'gr-atsc/src/lib/GrAtscSegSymSyncImpl.cc')
-rw-r--r-- | gr-atsc/src/lib/GrAtscSegSymSyncImpl.cc | 103 |
1 files changed, 0 insertions, 103 deletions
diff --git a/gr-atsc/src/lib/GrAtscSegSymSyncImpl.cc b/gr-atsc/src/lib/GrAtscSegSymSyncImpl.cc deleted file mode 100644 index 8e2cfc208..000000000 --- a/gr-atsc/src/lib/GrAtscSegSymSyncImpl.cc +++ /dev/null @@ -1,103 +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 <GrAtscSegSymSyncImpl.h> -#include <GrAtscSegSymSyncImpl_export.h> -#include <cmath> -#include <assert.h> - -GrAtscSegSymSyncImpl::GrAtscSegSymSyncImpl ( - double nominal_ratio_of_rx_clock_to_symbol_freq) - : d_interp (nominal_ratio_of_rx_clock_to_symbol_freq) -{ - // set approximate decimation rate for superclass's benefit - decimation = (int) rint (nominal_ratio_of_rx_clock_to_symbol_freq); - - history = 1500; // spare input samples in case we need them. - - d_sssr.reset (); - d_interp.reset (); - d_next_input = 0; - d_rx_clock_to_symbol_freq = nominal_ratio_of_rx_clock_to_symbol_freq; -} - -GrAtscSegSymSyncImpl::~GrAtscSegSymSyncImpl () -{ - // Nop -} - -void -GrAtscSegSymSyncImpl::pre_initialize () -{ - setSamplingFrequency ( - getInputSamplingFrequencyN (0) / d_rx_clock_to_symbol_freq); -} - -int -GrAtscSegSymSyncImpl::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 * d_rx_clock_to_symbol_freq) - + history - 1); - - return 0; -} - -int -GrAtscSegSymSyncImpl::work (VrSampleRange output, void *ao[], - VrSampleRange inputs[], void *ai[]) -{ -#if 0 - float *input_samples = ((float **) ai)[0]; - float *output_samples = ((float **) ao)[0]; - atsc::syminfo *output_info = ((atsc::syminfo **) ao)[1]; - - // FIXME finish... -#endif - assert (0); - - return output.size; -} - -void -GrAtscSegSymSyncImpl::reset () -{ - d_sssr.reset (); - d_interp.reset (); -} - - -/* - * Exported constructor. - * Doesn't expose any of the internals or our compile time dependencies. - */ - -GrAtscSegSymSync * -create_GrAtscSegSymSyncImpl (double nominal_ratio_of_rx_clock_to_symbol_freq) -{ - return new GrAtscSegSymSyncImpl (nominal_ratio_of_rx_clock_to_symbol_freq); -} |