+++ /dev/null
-/* -*- c++ -*- */
-/*
- * Copyright 2004,2006 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.
- */
-
-// WARNING: this file is machine generated. Edits will be over written
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include <gr_unpacked_to_packed_ii.h>
-#include <gr_io_signature.h>
-#include <assert.h>
-
-static const unsigned int BITS_PER_TYPE = sizeof(int) * 8;
-
-
-gr_unpacked_to_packed_ii_sptr
-gr_make_unpacked_to_packed_ii (unsigned int bits_per_chunk, gr_endianness_t endianness)
-{
- return gr_unpacked_to_packed_ii_sptr
- (new gr_unpacked_to_packed_ii (bits_per_chunk,endianness));
-}
-
-gr_unpacked_to_packed_ii::gr_unpacked_to_packed_ii (unsigned int bits_per_chunk,
- gr_endianness_t endianness)
- : gr_block ("unpacked_to_packed_ii",
- gr_make_io_signature (1, -1, sizeof (int)),
- gr_make_io_signature (1, -1, sizeof (int))),
- d_bits_per_chunk(bits_per_chunk),d_endianness(endianness),d_index(0)
-{
- assert (bits_per_chunk <= BITS_PER_TYPE);
- assert (bits_per_chunk > 0);
-
- set_relative_rate (bits_per_chunk/(1.0 * BITS_PER_TYPE));
-}
-
-void
-gr_unpacked_to_packed_ii::forecast(int noutput_items, gr_vector_int &ninput_items_required)
-{
- int input_required = (int) ceil( (d_index+noutput_items * 1.0 * BITS_PER_TYPE)/d_bits_per_chunk);
- unsigned ninputs = ninput_items_required.size();
- for (unsigned int i = 0; i < ninputs; i++) {
- ninput_items_required[i] = input_required;
- }
-}
-
-unsigned int
-get_bit_be1 (const int *in_vector,unsigned int bit_addr, unsigned int bits_per_chunk) {
- unsigned int byte_addr = (int)bit_addr/bits_per_chunk;
- int x = in_vector[byte_addr];
- unsigned int residue = bit_addr - byte_addr * bits_per_chunk;
- //printf("Bit addr %d byte addr %d residue %d val %d\n",bit_addr,byte_addr,residue,(x>>(bits_per_chunk-1-residue))&1);
- return (x >> (bits_per_chunk-1-residue))&1;
-}
-
-int
-gr_unpacked_to_packed_ii::general_work (int noutput_items,
- gr_vector_int &ninput_items,
- gr_vector_const_void_star &input_items,
- gr_vector_void_star &output_items)
-{
- unsigned int index_tmp = d_index;
-
- assert (input_items.size() == output_items.size());
- int nstreams = input_items.size();
-
- for (int m=0; m< nstreams; m++) {
- const int *in = (int *) input_items[m];
- int *out = (int *) output_items[m];
- index_tmp=d_index;
-
- // per stream processing
-
- //assert((ninput_items[m]-d_index)*d_bits_per_chunk >= noutput_items*BITS_PER_TYPE);
-
- switch(d_endianness){
-
- case GR_MSB_FIRST:
- for(int i=0;i<noutput_items;i++) {
- int tmp=0;
- for(unsigned int j=0; j<BITS_PER_TYPE; j++) {
- tmp = (tmp<<1) | get_bit_be1(in,index_tmp,d_bits_per_chunk);
- index_tmp++;
- }
- out[i] = tmp;
- }
- break;
-
- case GR_LSB_FIRST:
- for(int i=0;i<noutput_items;i++) {
- unsigned long tmp=0;
- for(unsigned int j=0; j<BITS_PER_TYPE; j++) {
- tmp = (tmp>>1)| (get_bit_be1(in,index_tmp,d_bits_per_chunk)<<(BITS_PER_TYPE-1));
- index_tmp++;
- }
- out[i] = tmp;
- }
- break;
-
- default:
- assert(0);
- }
- }
-
- d_index = index_tmp;
- consume_each ((int)(d_index/d_bits_per_chunk));
- d_index = d_index%d_bits_per_chunk;
-
- return noutput_items;
-}