GNU Radio v3.6.2-149-ga6d285d9 C++ API
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00001 /* -*- c++ -*- */ 00002 /* 00003 * Copyright 2012 Free Software Foundation, Inc. 00004 * 00005 * This file is part of GNU Radio 00006 * 00007 * GNU Radio is free software; you can redistribute it and/or modify 00008 * it under the terms of the GNU General Public License as published by 00009 * the Free Software Foundation; either version 3, or (at your option) 00010 * any later version. 00011 * 00012 * GNU Radio is distributed in the hope that it will be useful, 00013 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00015 * GNU General Public License for more details. 00016 * 00017 * You should have received a copy of the GNU General Public License 00018 * along with GNU Radio; see the file COPYING. If not, write to 00019 * the Free Software Foundation, Inc., 51 Franklin Street, 00020 * Boston, MA 02110-1301, USA. 00021 */ 00022 00023 #ifndef INCLUDED_BLOCKS_STREAM_MUX_H 00024 #define INCLUDED_BLOCKS_STREAM_MUX_H 00025 00026 #include <blocks/api.h> 00027 #include <gr_block.h> 00028 #include <vector> 00029 00030 namespace gr { 00031 namespace blocks { 00032 00033 /*! 00034 * \brief Stream muxing block to multiplex many streams into 00035 * one with a specified format. 00036 * 00037 * Muxes N streams together producing an output stream that 00038 * contains N0 items from the first stream, N1 items from the second, 00039 * etc. and repeats: 00040 * 00041 * [N0, N1, N2, ..., Nm, N0, N1, ...] 00042 */ 00043 class BLOCKS_API stream_mux : virtual public gr_block 00044 { 00045 public: 00046 00047 // gr::blocks::stream_mux::sptr 00048 typedef boost::shared_ptr<stream_mux> sptr; 00049 00050 /*! 00051 * \brief Creates a stream muxing block to multiplex many streams into 00052 * one with a specified format. 00053 * \ingroup converter_blk 00054 * 00055 * \param itemsize the item size of the stream 00056 * \param length a vector (list/tuple) specifying the number of 00057 * items from each stream the mux together. 00058 * Warning: this requires that at least as many items 00059 * per stream are available or the system will wait 00060 * indefinitely for the items. 00061 * 00062 */ 00063 static sptr make(size_t itemsize, const std::vector<int> &lengths); 00064 }; 00065 00066 } /* namespace blocks */ 00067 } /* namespace gr */ 00068 00069 #endif /* INCLUDED_BLOCKS_STREAM_MUX_H */