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Diffstat (limited to 'gr-atsc/lib/GrAtscFieldSyncChecker.cc')
-rw-r--r-- | gr-atsc/lib/GrAtscFieldSyncChecker.cc | 101 |
1 files changed, 0 insertions, 101 deletions
diff --git a/gr-atsc/lib/GrAtscFieldSyncChecker.cc b/gr-atsc/lib/GrAtscFieldSyncChecker.cc deleted file mode 100644 index 620962cbcd..0000000000 --- a/gr-atsc/lib/GrAtscFieldSyncChecker.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 <gnuradio/atsc/GrAtscFieldSyncChecker.h> -#include <gnuradio/atsc/create_atsci_fs_checker.h> -#include <gnuradio/atsc/fs_checker_impl.h> - -// typedefs for fundamental i/o types - -typedef float iDataType; -typedef atsc::syminfo iTagType; -typedef float oDataType; -typedef atsc::syminfo oTagType; - -static const int NUMBER_OF_OUTPUTS = 2; // # of output streams - - -GrAtscFieldSyncChecker::GrAtscFieldSyncChecker () - : VrHistoryProc<iDataType,oDataType> (NUMBER_OF_OUTPUTS) -{ - // tags and data must be same size due to limitation of runtime - assert (sizeof (iDataType) == sizeof (iTagType)); - assert (sizeof (oDataType) == sizeof (oTagType)); - - // 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; - - d_fsc = create_atsci_fs_checker (); -} - -GrAtscFieldSyncChecker::~GrAtscFieldSyncChecker () -{ - // Anything that isn't automatically cleaned up... - - delete d_fsc; -} - -/* - * 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 -GrAtscFieldSyncChecker::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. - - // We have state, hence we must use sync. - - sync (output.index); - - // construct some nicer i/o pointers to work with. - - iDataType *sample_in = ((iDataType **) ai)[0]; - iTagType *tag_in = ((iTagType **) ai)[1]; - oDataType *sample_out = ((oDataType **) ao)[0]; - oTagType *tag_out = ((oTagType **) ao)[1]; - - // We must produce output.size units of output. - - for (unsigned int i = 0; i < output.size; i++){ - d_fsc->filter (sample_in[i], tag_in[i], &sample_out[i], &tag_out[i]); - } - - // 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; -} |