1 /* -*- c++ -*- */ 2 /* 3 * Copyright 2012,2014 Free Software Foundation, Inc. 4 * 5 * This file is part of GNU Radio 6 * 7 * GNU Radio is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License as published by 9 * the Free Software Foundation; either version 3, or (at your option) 10 * any later version. 11 * 12 * GNU Radio is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License 18 * along with GNU Radio; see the file COPYING. If not, write to 19 * the Free Software Foundation, Inc., 51 Franklin Street, 20 * Boston, MA 02110-1301, USA. 21 */ 22 23 #ifndef INCLUDED_STREAM_MUX_IMPL_H 24 #define INCLUDED_STREAM_MUX_IMPL_H 25 26 #include <gnuradio/blocks/stream_mux.h> 27 28 namespace gr { 29 namespace blocks { 30 31 class BLOCKS_API stream_mux_impl : public stream_mux 32 { 33 private: 34 size_t d_itemsize; 35 unsigned int d_stream; // index of currently selected stream 36 int d_residual; // number if items left to put into current stream 37 gr_vector_int d_lengths; // number if items to pack per stream 38 39 void forecast(int noutput_items, gr_vector_int& ninput_items_required); 40 41 public: 42 stream_mux_impl(size_t itemsize, const std::vector<int>& lengths); 43 44 int general_work(int noutput_items, 45 gr_vector_int& ninput_items, 46 gr_vector_const_void_star& input_items, 47 gr_vector_void_star& output_items); 48 }; 49 50 } /* namespace blocks */ 51 } /* namespace gr */ 52 53 #endif /* INCLUDED_STREAM_MUX_IMPL_H */ 54