<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <title>GNU Radio 3.2.2 C++ API: gr_unpacked_to_packed_bb.h Source File</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <link href="navtree.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="jquery.js"></script> <script type="text/javascript" src="navtree.js"></script> <script type="text/javascript" src="resize.js"></script> <script type="text/javascript"> $(document).ready(initResizable); </script> <link href="doxygen.css" rel="stylesheet" type="text/css"/> </head> <body> <!-- Generated by Doxygen 1.7.3 --> <div id="top"> <div id="titlearea"> <table cellspacing="0" cellpadding="0"> <tbody> <tr style="height: 56px;"> <td style="padding-left: 0.5em;"> <div id="projectname">GNU Radio 3.2.2 C++ API</div> </td> </tr> </tbody> </table> </div> </div> <div id="side-nav" class="ui-resizable side-nav-resizable"> <div id="nav-tree"> <div id="nav-tree-contents"> </div> </div> <div id="splitbar" style="-moz-user-select:none;" class="ui-resizable-handle"> </div> </div> <script type="text/javascript"> initNavTree('gr__unpacked__to__packed__bb_8h.html',''); </script> <div id="doc-content"> <div class="header"> <div class="headertitle"> <h1>gr_unpacked_to_packed_bb.h</h1> </div> </div> <div class="contents"> <a href="gr__unpacked__to__packed__bb_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* -*- c++ -*- */</span> <a name="l00002"></a>00002 <span class="comment">/*</span> <a name="l00003"></a>00003 <span class="comment"> * Copyright 2006 Free Software Foundation, Inc.</span> <a name="l00004"></a>00004 <span class="comment"> * </span> <a name="l00005"></a>00005 <span class="comment"> * This file is part of GNU Radio</span> <a name="l00006"></a>00006 <span class="comment"> * </span> <a name="l00007"></a>00007 <span class="comment"> * GNU Radio is free software; you can redistribute it and/or modify</span> <a name="l00008"></a>00008 <span class="comment"> * it under the terms of the GNU General Public License as published by</span> <a name="l00009"></a>00009 <span class="comment"> * the Free Software Foundation; either version 3, or (at your option)</span> <a name="l00010"></a>00010 <span class="comment"> * any later version.</span> <a name="l00011"></a>00011 <span class="comment"> * </span> <a name="l00012"></a>00012 <span class="comment"> * GNU Radio is distributed in the hope that it will be useful,</span> <a name="l00013"></a>00013 <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span> <a name="l00014"></a>00014 <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span> <a name="l00015"></a>00015 <span class="comment"> * GNU General Public License for more details.</span> <a name="l00016"></a>00016 <span class="comment"> * </span> <a name="l00017"></a>00017 <span class="comment"> * You should have received a copy of the GNU General Public License</span> <a name="l00018"></a>00018 <span class="comment"> * along with GNU Radio; see the file COPYING. If not, write to</span> <a name="l00019"></a>00019 <span class="comment"> * the Free Software Foundation, Inc., 51 Franklin Street,</span> <a name="l00020"></a>00020 <span class="comment"> * Boston, MA 02110-1301, USA.</span> <a name="l00021"></a>00021 <span class="comment"> */</span> <a name="l00022"></a>00022 <a name="l00023"></a>00023 <span class="comment">// WARNING: this file is machine generated. Edits will be over written</span> <a name="l00024"></a>00024 <a name="l00025"></a>00025 <span class="preprocessor">#ifndef INCLUDED_GR_UNPACKED_TO_PACKED_BB_H</span> <a name="l00026"></a>00026 <span class="preprocessor"></span><span class="preprocessor">#define INCLUDED_GR_UNPACKED_TO_PACKED_BB_H</span> <a name="l00027"></a>00027 <span class="preprocessor"></span> <a name="l00028"></a>00028 <span class="preprocessor">#include <gr_block.h></span> <a name="l00029"></a>00029 <span class="preprocessor">#include <<a class="code" href="gr__endianness_8h.html">gr_endianness.h</a>></span> <a name="l00030"></a>00030 <a name="l00031"></a>00031 <span class="keyword">class </span><a class="code" href="classgr__unpacked__to__packed__bb.html" title="Convert a stream of unpacked bytes or shorts into a stream of packed bytes or shorts.input: stream of unsigned char; output: stream of unsigned char.">gr_unpacked_to_packed_bb</a>; <a name="l00032"></a>00032 <span class="keyword">typedef</span> <a class="code" href="classboost_1_1shared__ptr.html" title="shared_ptr documentation stub">boost::shared_ptr<gr_unpacked_to_packed_bb></a> <a class="code" href="classboost_1_1shared__ptr.html" title="shared_ptr documentation stub">gr_unpacked_to_packed_bb_sptr</a>; <a name="l00033"></a>00033 <a name="l00034"></a>00034 <a class="code" href="classboost_1_1shared__ptr.html" title="shared_ptr documentation stub">gr_unpacked_to_packed_bb_sptr</a> <a name="l00035"></a>00035 <a class="code" href="gr__unpacked__to__packed__bb_8h.html#ae6294b33469d167f362a87b5bebfbf46">gr_make_unpacked_to_packed_bb</a> (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> bits_per_chunk, <a class="code" href="gr__endianness_8h.html#aa340baf760c129189bc842d8f2c0e2e6">gr_endianness_t</a> endianness); <a name="l00036"></a>00036 <span class="comment"></span> <a name="l00037"></a>00037 <span class="comment">/*!</span> <a name="l00038"></a>00038 <span class="comment"> * \brief Convert a stream of unpacked bytes or shorts into a stream of packed bytes or shorts.</span> <a name="l00039"></a>00039 <span class="comment"> * \ingroup converter_blk</span> <a name="l00040"></a>00040 <span class="comment"> *</span> <a name="l00041"></a>00041 <span class="comment"> * input: stream of unsigned char; output: stream of unsigned char</span> <a name="l00042"></a>00042 <span class="comment"> *</span> <a name="l00043"></a>00043 <span class="comment"> * This is the inverse of gr_packed_to_unpacked_XX.</span> <a name="l00044"></a>00044 <span class="comment"> *</span> <a name="l00045"></a>00045 <span class="comment"> * The low \p bits_per_chunk bits are extracted from each input byte or short.</span> <a name="l00046"></a>00046 <span class="comment"> * These bits are then packed densely into the output bytes or shorts, such that</span> <a name="l00047"></a>00047 <span class="comment"> * all 8 or 16 bits of the output bytes or shorts are filled with valid input bits.</span> <a name="l00048"></a>00048 <span class="comment"> * The right thing is done if bits_per_chunk is not a power of two.</span> <a name="l00049"></a>00049 <span class="comment"> *</span> <a name="l00050"></a>00050 <span class="comment"> * The combination of gr_packed_to_unpacked_XX followed by</span> <a name="l00051"></a>00051 <span class="comment"> * gr_chunks_to_symbols_Xf or gr_chunks_to_symbols_Xc handles the</span> <a name="l00052"></a>00052 <span class="comment"> * general case of mapping from a stream of bytes or shorts into arbitrary float</span> <a name="l00053"></a>00053 <span class="comment"> * or complex symbols.</span> <a name="l00054"></a>00054 <span class="comment"> *</span> <a name="l00055"></a>00055 <span class="comment"> * \sa gr_packed_to_unpacked_bb, gr_unpacked_to_packed_bb,</span> <a name="l00056"></a>00056 <span class="comment"> * \sa gr_packed_to_unpacked_ss, gr_unpacked_to_packed_ss,</span> <a name="l00057"></a>00057 <span class="comment"> * \sa gr_chunks_to_symbols_bf, gr_chunks_to_symbols_bc.</span> <a name="l00058"></a>00058 <span class="comment"> * \sa gr_chunks_to_symbols_sf, gr_chunks_to_symbols_sc.</span> <a name="l00059"></a>00059 <span class="comment"> */</span> <a name="l00060"></a><a class="code" href="classgr__unpacked__to__packed__bb.html">00060</a> <span class="keyword">class </span><a class="code" href="classgr__unpacked__to__packed__bb.html" title="Convert a stream of unpacked bytes or shorts into a stream of packed bytes or shorts.input: stream of unsigned char; output: stream of unsigned char.">gr_unpacked_to_packed_bb</a> : <span class="keyword">public</span> <a class="code" href="classgr__block.html" title="The abstract base class for all &#39;terminal&#39; processing blocks.A signal processing flow is cons...">gr_block</a> <a name="l00061"></a>00061 { <a name="l00062"></a>00062 <span class="keyword">friend</span> <a class="code" href="classboost_1_1shared__ptr.html" title="shared_ptr documentation stub">gr_unpacked_to_packed_bb_sptr</a> <a name="l00063"></a>00063 <a class="code" href="classgr__unpacked__to__packed__bb.html#ae6294b33469d167f362a87b5bebfbf46">gr_make_unpacked_to_packed_bb</a> (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> bits_per_chunk, <a class="code" href="gr__endianness_8h.html#aa340baf760c129189bc842d8f2c0e2e6">gr_endianness_t</a> endianness); <a name="l00064"></a>00064 <a name="l00065"></a>00065 <a class="code" href="classgr__unpacked__to__packed__bb.html" title="Convert a stream of unpacked bytes or shorts into a stream of packed bytes or shorts.input: stream of unsigned char; output: stream of unsigned char.">gr_unpacked_to_packed_bb</a> (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> bits_per_chunk, <a class="code" href="gr__endianness_8h.html#aa340baf760c129189bc842d8f2c0e2e6">gr_endianness_t</a> endianness); <a name="l00066"></a>00066 <a name="l00067"></a>00067 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> d_bits_per_chunk; <a name="l00068"></a>00068 <a class="code" href="gr__endianness_8h.html#aa340baf760c129189bc842d8f2c0e2e6">gr_endianness_t</a> d_endianness; <a name="l00069"></a>00069 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> d_index; <a name="l00070"></a>00070 <a name="l00071"></a>00071 <span class="keyword">public</span>: <a name="l00072"></a>00072 <span class="keywordtype">void</span> <a class="code" href="classgr__unpacked__to__packed__bb.html#aa2d90c18be38f8475df804e3b8e9ff13" title="Estimate input requirements given output request.">forecast</a>(<span class="keywordtype">int</span> noutput_items, <a class="code" href="classstd_1_1vector.html">gr_vector_int</a> &ninput_items_required); <a name="l00073"></a>00073 <span class="keywordtype">int</span> <a class="code" href="classgr__unpacked__to__packed__bb.html#a2faa84b6b32eaef18b2d6d11e08e2bb3" title="compute output items from input items">general_work</a> (<span class="keywordtype">int</span> noutput_items, <a name="l00074"></a>00074 <a class="code" href="classstd_1_1vector.html">gr_vector_int</a> &ninput_items, <a name="l00075"></a>00075 <a class="code" href="classstd_1_1vector.html">gr_vector_const_void_star</a> &input_items, <a name="l00076"></a>00076 <a class="code" href="classstd_1_1vector.html">gr_vector_void_star</a> &output_items); <a name="l00077"></a>00077 <a name="l00078"></a><a class="code" href="classgr__unpacked__to__packed__bb.html#a8396d9199a48e5371094d786458c9778">00078</a> <span class="keywordtype">bool</span> <a class="code" href="classgr__unpacked__to__packed__bb.html#a8396d9199a48e5371094d786458c9778" title="Confirm that ninputs and noutputs is an acceptable combination.">check_topology</a>(<span class="keywordtype">int</span> ninputs, <span class="keywordtype">int</span> noutputs) { <span class="keywordflow">return</span> ninputs == noutputs; } <a name="l00079"></a>00079 }; <a name="l00080"></a>00080 <a name="l00081"></a>00081 <span class="preprocessor">#endif</span> </pre></div></div> </div> <div id="nav-path" class="navpath"> <ul> <li class="navelem"><a class="el" href="gr__unpacked__to__packed__bb_8h.html">gr_unpacked_to_packed_bb.h</a> </li> <li class="footer">Generated on Thu Feb 17 2011 for GNU Radio 3.2.2 C++ API by  <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.7.3 </li> </ul> </div> </body> </html>