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<h1>audio_windows_sink.h</h1> </div>
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<a href="audio__windows__sink_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 2004 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="preprocessor">#ifndef INCLUDED_AUDIO_WINDOWS_SINK_H</span>
<a name="l00024"></a>00024 <span class="preprocessor"></span><span class="preprocessor">#define INCLUDED_AUDIO_WINDOWS_SINK_H</span>
<a name="l00025"></a>00025 <span class="preprocessor"></span>
<a name="l00026"></a><a class="code" href="audio__windows__sink_8h.html#ac7bef5d85e3dcd73eef56ad39ffc84a9">00026</a> <span class="preprocessor">#define WIN32_LEAN_AND_MEAN</span>
<a name="l00027"></a><a class="code" href="audio__windows__sink_8h.html#a9f918755b601cf4bffca775992e6fb90">00027</a> <span class="preprocessor"></span><span class="preprocessor">#define NOMINMAX // stops windef.h defining max/min under cygwin</span>
<a name="l00028"></a>00028 <span class="preprocessor"></span>
<a name="l00029"></a>00029 <span class="preprocessor">#include <windows.h></span>
<a name="l00030"></a>00030 <span class="preprocessor">#include <mmsystem.h></span>
<a name="l00031"></a>00031
<a name="l00032"></a>00032 <span class="preprocessor">#include <gr_sync_block.h></span>
<a name="l00033"></a>00033 <span class="preprocessor">#include <string></span>
<a name="l00034"></a>00034
<a name="l00035"></a>00035
<a name="l00036"></a>00036 <span class="keyword">class </span><a class="code" href="classaudio__windows__sink.html" title="audio sink using winmm mmsystem (win32 only)">audio_windows_sink</a>;
<a name="l00037"></a>00037 <span class="keyword">typedef</span> <a class="code" href="classboost_1_1shared__ptr.html" title="shared_ptr documentation stub">boost::shared_ptr <audio_windows_sink></a> <a class="code" href="classboost_1_1shared__ptr.html" title="shared_ptr documentation stub">audio_windows_sink_sptr</a>;
<a name="l00038"></a>00038
<a name="l00039"></a>00039 <a class="code" href="classboost_1_1shared__ptr.html" title="shared_ptr documentation stub">audio_windows_sink_sptr</a>
<a name="l00040"></a>00040 <a class="code" href="audio__windows__sink_8h.html#aedf2ebb399837b72a6e5351b065c1fc1">audio_windows_make_sink</a> (<span class="keywordtype">int</span> sampling_freq, <span class="keyword">const</span> std::string dev = <span class="stringliteral">""</span>);
<a name="l00041"></a>00041 <span class="comment"></span>
<a name="l00042"></a>00042 <span class="comment">/*!</span>
<a name="l00043"></a>00043 <span class="comment"> * \brief audio sink using winmm mmsystem (win32 only)</span>
<a name="l00044"></a>00044 <span class="comment"> *</span>
<a name="l00045"></a>00045 <span class="comment"> * input signature is one or two streams of floats.</span>
<a name="l00046"></a>00046 <span class="comment"> * Input samples must be in the range [-1,1].</span>
<a name="l00047"></a>00047 <span class="comment"> */</span>
<a name="l00048"></a>00048
<a name="l00049"></a><a class="code" href="classaudio__windows__sink.html">00049</a> <span class="keyword">class </span><a class="code" href="classaudio__windows__sink.html" title="audio sink using winmm mmsystem (win32 only)">audio_windows_sink</a> : <span class="keyword">public</span> <a class="code" href="classgr__sync__block.html" title="synchronous 1:1 input to output with historyOverride work to provide the signal processing implementa...">gr_sync_block</a>
<a name="l00050"></a>00050 {
<a name="l00051"></a>00051 <span class="keyword">friend</span>
<a name="l00052"></a>00052 <a class="code" href="classboost_1_1shared__ptr.html" title="shared_ptr documentation stub">audio_windows_sink_sptr</a>
<a name="l00053"></a>00053 <a class="code" href="classaudio__windows__sink.html#aceaf4e6f7e72836d67abd3232bc2c7c6">audio_windows_make_sink</a> (<span class="keywordtype">int</span> sampling_freq, <span class="keyword">const</span> std::string device_name);
<a name="l00054"></a>00054
<a name="l00055"></a>00055 <span class="keywordtype">int</span> d_sampling_freq;
<a name="l00056"></a>00056 std::string d_device_name;
<a name="l00057"></a>00057 <span class="keywordtype">int</span> d_fd;
<a name="l00058"></a>00058 <span class="keywordtype">short</span> *d_buffer;
<a name="l00059"></a>00059 <span class="keywordtype">int</span> d_chunk_size;
<a name="l00060"></a>00060 HWAVEOUT d_h_waveout;
<a name="l00061"></a>00061 HGLOBAL d_h_wave_hdr;
<a name="l00062"></a>00062 LPWAVEHDR d_lp_wave_hdr;
<a name="l00063"></a>00063 HANDLE d_wave_write_event;
<a name="l00064"></a>00064
<a name="l00065"></a>00065 <span class="keyword">protected</span>:
<a name="l00066"></a>00066 <span class="keywordtype">int</span>
<a name="l00067"></a>00067 <a class="code" href="classaudio__windows__sink.html#a1cd87a729767607d54c1693b8c80d2cc">string_to_int</a> (<span class="keyword">const</span> std::string & s);
<a name="l00068"></a>00068 <a class="code" href="classaudio__windows__sink.html#ad858fd06a4c1a2a8f96042e6c387ab56">audio_windows_sink</a> (<span class="keywordtype">int</span> sampling_freq, <span class="keyword">const</span> std::string device_name = <span class="stringliteral">""</span>);
<a name="l00069"></a>00069 <span class="keywordtype">int</span>
<a name="l00070"></a>00070 <a class="code" href="classaudio__windows__sink.html#a6f5531a789b4e208359b5da966766188">open_waveout_device</a> (<span class="keywordtype">void</span>);
<a name="l00071"></a>00071 <span class="keywordtype">int</span>
<a name="l00072"></a>00072 <a class="code" href="classaudio__windows__sink.html#ab2b48fbed89bc3bfcd1ac5998df1d75f">write_waveout</a> (HPSTR lp_data, DWORD dw_data_size);
<a name="l00073"></a>00073
<a name="l00074"></a>00074 <span class="keyword">public</span>:
<a name="l00075"></a>00075 <a class="code" href="classaudio__windows__sink.html#ad2b9d131d278a29cf78c4cd3d837e062">~audio_windows_sink</a> ();
<a name="l00076"></a>00076
<a name="l00077"></a>00077 <span class="keywordtype">int</span>
<a name="l00078"></a>00078 <a class="code" href="classaudio__windows__sink.html#a609a869c6d3fdd3f1614650b8e70d43e" title="just like gr_block::general_work, only this arranges to call consume_each for you">work</a> (<span class="keywordtype">int</span> noutput_items,
<a name="l00079"></a>00079 <a class="code" href="classstd_1_1vector.html">gr_vector_const_void_star</a> & input_items,
<a name="l00080"></a>00080 <a class="code" href="classstd_1_1vector.html">gr_vector_void_star</a> & output_items);
<a name="l00081"></a>00081 };
<a name="l00082"></a>00082
<a name="l00083"></a>00083 <span class="preprocessor">#endif </span><span class="comment">/* INCLUDED_AUDIO_WINDOWS_SINK_H */</span>
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