diff options
Diffstat (limited to 'gr-atsc/src/lib/GrAtscDataSegToSoftDataSeg.cc')
-rw-r--r-- | gr-atsc/src/lib/GrAtscDataSegToSoftDataSeg.cc | 101 |
1 files changed, 0 insertions, 101 deletions
diff --git a/gr-atsc/src/lib/GrAtscDataSegToSoftDataSeg.cc b/gr-atsc/src/lib/GrAtscDataSegToSoftDataSeg.cc deleted file mode 100644 index 09c3db4e0..000000000 --- a/gr-atsc/src/lib/GrAtscDataSegToSoftDataSeg.cc +++ /dev/null @@ -1,101 +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 <GrAtscDataSegToSoftDataSeg.h> - -// typedefs for fundamental i/o types - -typedef atsc_data_segment iType; -typedef atsc_soft_data_segment oType; - -static const int NUMBER_OF_OUTPUTS = 1; // # of output streams (almost always one) - - -#define NELEM(x) (sizeof (x) / sizeof (x[0])) - -static void -map_to_soft_symbols (atsc_soft_data_segment &out, - const atsc_data_segment &in) -{ - for (unsigned int i = 0; i < NELEM (in.data); i++){ - out.data[i] = in.data[i] * 2 - 7; - } -} - - -GrAtscDataSegToSoftDataSeg::GrAtscDataSegToSoftDataSeg () - : VrHistoryProc<iType,oType> (NUMBER_OF_OUTPUTS) -{ - // 1 + number of extra input elements at which we look. This is - // used by the superclass's forecast routine to get us the correct - // range on our inputs. - // We're one-to-one input-to-output so set it to 1. - history = 1; - - // any other init here. -} - -GrAtscDataSegToSoftDataSeg::~GrAtscDataSegToSoftDataSeg () -{ - // Anything that isn't automatically cleaned up... -} - -/* - * This is the real work horse. In general this interface can handle - * multiple streams of input and output, but we almost always - * use a single input and output stream. - */ - -int -GrAtscDataSegToSoftDataSeg::work (VrSampleRange output, void *ao[], - VrSampleRange inputs[], void *ai[]) -{ - // If we have state that persists across invocations (e.g., we have - // instance variables that we modify), we must use the sync method - // to indicate to the scheduler that our output must be computed in - // order. This doesn't keep other things from being run in - // parallel, it just means that at any given time, there is only a - // single thread working this code, and that the scheduler will - // ensure that we are asked to produce output that is contiguous and - // that will be presented to us in order of increasing time. - - // sync (output.index); - - // construct some nicer i/o pointers to work with. - - iType *in = ((iType **) ai)[0]; - oType *out = ((oType **) ao)[0]; - - - // We must produce output.size units of output. - - for (unsigned int i = 0; i < output.size; i++){ - map_to_soft_symbols (out[i], in[i]); - out[i].pli = in[i].pli; - } - - // Return the number of units we produced. - // Note that for all intents and purposes, it is an error to - // produce less than you are asked for. - - return output.size; -} |